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
[ 19, 33, 13, 38 ]
53
[ "19*38=722", "722-33=689", "689/13=53" ]
Current State: 53:[19, 33, 13, 38], Operations: [] Exploring Operation: 19*38=722, Resulting Numbers: [33, 13, 722] Generated Node #2: [33, 13, 722] from Operation: 19*38=722 Current State: 53:[33, 13, 722], Operations: ['19*38=722'] Exploring Operation: 722-33=689, Resulting Numbers: [13, 689] Generated Node #3: [13, 689] from Operation: 722-33=689 Current State: 53:[13, 689], Operations: ['19*38=722', '722-33=689'] Exploring Operation: 689/13=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[19, 33, 13, 38], Operations: [] Exploring Operation: 19+33=52, Resulting Numbers: [13, 38, 52] Generated Node #0,0: 53:[13, 38, 52] Operation: 19+33=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[13, 38, 52], Operations: ['19+33=52'] Exploring Operation: 13+38=51, Resulting Numbers: [52, 51] Generated Node #0,0,0: 53:[52, 51] Operation: 13+38=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[52, 51], Operations: ['19+33=52', '13+38=51'] Exploring Operation: 52+51=103, Resulting Numbers: [103] 103,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 92, 71, 55, 3 ]
62
[ "92-71=21", "21/3=7", "55+7=62" ]
Current State: 62:[92, 71, 55, 3], Operations: [] Exploring Operation: 92-71=21, Resulting Numbers: [55, 3, 21] Generated Node #2: [55, 3, 21] from Operation: 92-71=21 Current State: 62:[55, 3, 21], Operations: ['92-71=21'] Exploring Operation: 21/3=7, Resulting Numbers: [55, 7] Generated Node #3: [55, 7] from Operation: 21/3=7 Current State: 62:[55, 7], Operations: ['92-71=21', '21/3=7'] Exploring Operation: 55+7=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[92, 71, 55, 3], Operations: [] Exploring Operation: 71-3=68, Resulting Numbers: [92, 55, 68] Generated Node #0,0: 62:[92, 55, 68] Operation: 71-3=68 Exploring Operation: 92-55=37, Resulting Numbers: [71, 3, 37] Generated Node #0,1: 62:[71, 3, 37] Operation: 92-55=37 Exploring Operation: 92-3=89, Resulting Numbers: [71, 55, 89] Generated Node #0,2: 62:[71, 55, 89] Operation: 92-3=89 Exploring Operation: 92-71=21, Resulting Numbers: [55, 3, 21] Generated Node #0,3: 62:[55, 3, 21] Operation: 92-71=21 Moving to Node #0,1 Current State: 62:[71, 3, 37], Operations: ['92-55=37'] Exploring Operation: 37-3=34, Resulting Numbers: [71, 34] Generated Node #0,1,0: 62:[71, 34] Operation: 37-3=34 Exploring Operation: 71-3=68, Resulting Numbers: [37, 68] Generated Node #0,1,1: 62:[37, 68] Operation: 71-3=68 Exploring Operation: 71-37=34, Resulting Numbers: [3, 34] Generated Node #0,1,2: 62:[3, 34] Operation: 71-37=34 Exploring Operation: 71+3=74, Resulting Numbers: [37, 74] Generated Node #0,1,3: 62:[37, 74] Operation: 71+3=74 Moving to Node #0,3 Current State: 62:[55, 3, 21], Operations: ['92-71=21'] Exploring Operation: 3*21=63, Resulting Numbers: [55, 63] Generated Node #0,3,0: 62:[55, 63] Operation: 3*21=63 Exploring Operation: 55+3=58, Resulting Numbers: [21, 58] Generated Node #0,3,1: 62:[21, 58] Operation: 55+3=58 Exploring Operation: 55-21=34, Resulting Numbers: [3, 34] Generated Node #0,3,2: 62:[3, 34] Operation: 55-21=34 Exploring Operation: 21/3=7, Resulting Numbers: [55, 7] Generated Node #0,3,3: 62:[55, 7] Operation: 21/3=7 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 62:[3, 34], Operations: ['92-71=21', '55-21=34'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,62 unequal: No Solution Exploring Operation: 3*34=102, Resulting Numbers: [102] 102,62 unequal: No Solution Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,62 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 #0,3,0 Current State: 62:[55, 63], Operations: ['92-71=21', '3*21=63'] Exploring Operation: 55+63=118, Resulting Numbers: [118] 118,62 unequal: No Solution Exploring Operation: 63-55=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 55*63=3465, Resulting Numbers: [3465] 3465,62 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 #0,3,3 Current State: 62:[55, 7], Operations: ['92-71=21', '21/3=7'] Exploring Operation: 55*7=385, Resulting Numbers: [385] 385,62 unequal: No Solution Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,62 unequal: No Solution Exploring Operation: 55+7=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[92, 71, 55, 3], Operations: [] Exploring Operation: 92-71=21, Resulting Numbers: [55, 3, 21] Generated Node #0,3: 62:[55, 3, 21] Operation: 92-71=21 Moving to Node #0,3 Current State: 62:[55, 3, 21], Operations: ['92-71=21'] Exploring Operation: 21/3=7, Resulting Numbers: [55, 7] Generated Node #0,3,3: 62:[55, 7] Operation: 21/3=7 Moving to Node #0,3,3 Current State: 62:[55, 7], Operations: ['92-71=21', '21/3=7'] Exploring Operation: 55+7=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
sum_heuristic
[ 11, 40, 6, 97 ]
58
[ "11+97=108", "108/6=18", "40+18=58" ]
Current State: 58:[11, 40, 6, 97], Operations: [] Exploring Operation: 11+97=108, Resulting Numbers: [40, 6, 108] Generated Node #2: [40, 6, 108] from Operation: 11+97=108 Current State: 58:[40, 6, 108], Operations: ['11+97=108'] Exploring Operation: 108/6=18, Resulting Numbers: [40, 18] Generated Node #3: [40, 18] from Operation: 108/6=18 Current State: 58:[40, 18], Operations: ['11+97=108', '108/6=18'] Exploring Operation: 40+18=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[11, 40, 6, 97], Operations: [] Exploring Operation: 40-11=29, Resulting Numbers: [6, 97, 29] Generated Node #0,0: 58:[6, 97, 29] Operation: 40-11=29 Exploring Operation: 97-40=57, Resulting Numbers: [11, 6, 57] Generated Node #0,1: 58:[11, 6, 57] Operation: 97-40=57 Exploring Operation: 97-11=86, Resulting Numbers: [40, 6, 86] Generated Node #0,2: 58:[40, 6, 86] Operation: 97-11=86 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[11, 6, 57], Operations: ['97-40=57'] Exploring Operation: 11-6=5, Resulting Numbers: [57, 5] Generated Node #0,1,0: 58:[57, 5] Operation: 11-6=5 Exploring Operation: 11+6=17, Resulting Numbers: [57, 17] Generated Node #0,1,1: 58:[57, 17] Operation: 11+6=17 Exploring Operation: 11*6=66, Resulting Numbers: [57, 66] Generated Node #0,1,2: 58:[57, 66] Operation: 11*6=66 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 58:[57, 5], Operations: ['97-40=57', '11-6=5'] Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,58 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 58:[57, 66], Operations: ['97-40=57', '11*6=66'] Exploring Operation: 57+66=123, Resulting Numbers: [123] 123,58 unequal: No Solution Exploring Operation: 66-57=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 57*66=3762, Resulting Numbers: [3762] 3762,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 58:[57, 17], Operations: ['97-40=57', '11+6=17'] Exploring Operation: 57*17=969, Resulting Numbers: [969] 969,58 unequal: No Solution Exploring Operation: 57-17=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 57+17=74, Resulting Numbers: [74] 74,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[6, 97, 29], Operations: ['40-11=29'] Exploring Operation: 97-6=91, Resulting Numbers: [29, 91] Generated Node #0,0,0: 58:[29, 91] Operation: 97-6=91 Exploring Operation: 6+97=103, Resulting Numbers: [29, 103] Generated Node #0,0,1: 58:[29, 103] Operation: 6+97=103 Exploring Operation: 97-29=68, Resulting Numbers: [6, 68] Generated Node #0,0,2: 58:[6, 68] Operation: 97-29=68 Moving to Node #0,0,2 Current State: 58:[6, 68], Operations: ['40-11=29', '97-29=68'] Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,58 unequal: No Solution Exploring Operation: 6*68=408, Resulting Numbers: [408] 408,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[29, 91], Operations: ['40-11=29', '97-6=91'] Exploring Operation: 29+91=120, Resulting Numbers: [120] 120,58 unequal: No Solution Exploring Operation: 29*91=2639, Resulting Numbers: [2639] 2639,58 unequal: No Solution Exploring Operation: 91-29=62, Resulting Numbers: [62] 62,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[29, 103], Operations: ['40-11=29', '6+97=103'] Exploring Operation: 29+103=132, Resulting Numbers: [132] 132,58 unequal: No Solution Exploring Operation: 29*103=2987, Resulting Numbers: [2987] 2987,58 unequal: No Solution Exploring Operation: 103-29=74, Resulting Numbers: [74] 74,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[40, 6, 86], Operations: ['97-11=86'] Exploring Operation: 40-6=34, Resulting Numbers: [86, 34] Generated Node #0,2,0: 58:[86, 34] Operation: 40-6=34 Exploring Operation: 86-6=80, Resulting Numbers: [40, 80] Generated Node #0,2,1: 58:[40, 80] Operation: 86-6=80 Exploring Operation: 86-40=46, Resulting Numbers: [6, 46] Generated Node #0,2,2: 58:[6, 46] Operation: 86-40=46 Moving to Node #0,2,2 Current State: 58:[6, 46], Operations: ['97-11=86', '86-40=46'] Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,58 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[86, 34], Operations: ['97-11=86', '40-6=34'] Exploring Operation: 86+34=120, Resulting Numbers: [120] 120,58 unequal: No Solution Exploring Operation: 86*34=2924, Resulting Numbers: [2924] 2924,58 unequal: No Solution Exploring Operation: 86-34=52, Resulting Numbers: [52] 52,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[40, 80], Operations: ['97-11=86', '86-6=80'] Exploring Operation: 40+80=120, Resulting Numbers: [120] 120,58 unequal: No Solution Exploring Operation: 80/40=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 80-40=40, Resulting Numbers: [40] 40,58 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
[ 66, 2, 7, 77 ]
53
[ "66-2=64", "77/7=11", "64-11=53" ]
Current State: 53:[66, 2, 7, 77], Operations: [] Exploring Operation: 66-2=64, Resulting Numbers: [7, 77, 64] Generated Node #2: [7, 77, 64] from Operation: 66-2=64 Current State: 53:[7, 77, 64], Operations: ['66-2=64'] Exploring Operation: 77/7=11, Resulting Numbers: [64, 11] Generated Node #3: [64, 11] from Operation: 77/7=11 Current State: 53:[64, 11], Operations: ['66-2=64', '77/7=11'] Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[66, 2, 7, 77], Operations: [] Exploring Operation: 2*7=14, Resulting Numbers: [66, 77, 14] Generated Node #0,0: 53:[66, 77, 14] Operation: 2*7=14 Exploring Operation: 66-2=64, Resulting Numbers: [7, 77, 64] Generated Node #0,1: 53:[7, 77, 64] Operation: 66-2=64 Moving to Node #0,0 Current State: 53:[66, 77, 14], Operations: ['2*7=14'] Exploring Operation: 66-14=52, Resulting Numbers: [77, 52] Generated Node #0,0,0: 53:[77, 52] Operation: 66-14=52 Exploring Operation: 77-14=63, Resulting Numbers: [66, 63] Generated Node #0,0,1: 53:[66, 63] Operation: 77-14=63 Moving to Node #0,1 Current State: 53:[7, 77, 64], Operations: ['66-2=64'] Exploring Operation: 77-7=70, Resulting Numbers: [64, 70] Generated Node #0,1,0: 53:[64, 70] Operation: 77-7=70 Exploring Operation: 64-7=57, Resulting Numbers: [77, 57] Generated Node #0,1,1: 53:[77, 57] Operation: 64-7=57 Moving to Node #0,0,1 Current State: 53:[66, 63], Operations: ['2*7=14', '77-14=63'] Exploring Operation: 66-63=3, Resulting Numbers: [3] 3,53 unequal: No Solution Exploring Operation: 66+63=129, Resulting Numbers: [129] 129,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[77, 52], Operations: ['2*7=14', '66-14=52'] Exploring Operation: 77+52=129, Resulting Numbers: [129] 129,53 unequal: No Solution Exploring Operation: 77-52=25, Resulting Numbers: [25] 25,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[77, 57], Operations: ['66-2=64', '64-7=57'] Exploring Operation: 77-57=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 77+57=134, Resulting Numbers: [134] 134,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[64, 70], Operations: ['66-2=64', '77-7=70'] Exploring Operation: 70-64=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 64+70=134, Resulting Numbers: [134] 134,53 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 9, 17, 63, 18 ]
91
[ "9+17=26", "63*26=1638", "1638/18=91" ]
Current State: 91:[9, 17, 63, 18], Operations: [] Exploring Operation: 9+17=26, Resulting Numbers: [63, 18, 26] Generated Node #2: [63, 18, 26] from Operation: 9+17=26 Current State: 91:[63, 18, 26], Operations: ['9+17=26'] Exploring Operation: 63*26=1638, Resulting Numbers: [18, 1638] Generated Node #3: [18, 1638] from Operation: 63*26=1638 Current State: 91:[18, 1638], Operations: ['9+17=26', '63*26=1638'] Exploring Operation: 1638/18=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[9, 17, 63, 18], Operations: [] Exploring Operation: 63+18=81, Resulting Numbers: [9, 17, 81] Generated Node #0,0: 91:[9, 17, 81] Operation: 63+18=81 Exploring Operation: 17+63=80, Resulting Numbers: [9, 18, 80] Generated Node #0,1: 91:[9, 18, 80] Operation: 17+63=80 Exploring Operation: 63/9=7, Resulting Numbers: [17, 18, 7] Generated Node #0,2: 91:[17, 18, 7] Operation: 63/9=7 Moving to Node #0,2 Current State: 91:[17, 18, 7], Operations: ['63/9=7'] Exploring Operation: 17-7=10, Resulting Numbers: [18, 10] Generated Node #0,2,0: 91:[18, 10] Operation: 17-7=10 Exploring Operation: 18-7=11, Resulting Numbers: [17, 11] Generated Node #0,2,1: 91:[17, 11] Operation: 18-7=11 Exploring Operation: 18-17=1, Resulting Numbers: [7, 1] Generated Node #0,2,2: 91:[7, 1] Operation: 18-17=1 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[17, 11], Operations: ['63/9=7', '18-7=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,91 unequal: No Solution No 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: 91:[7, 1], Operations: ['63/9=7', '18-17=1'] Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,91 unequal: No Solution Exploring Operation: 7*1=7, Resulting Numbers: [7] 7,91 unequal: No Solution Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,91 unequal: No Solution No 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: 91:[18, 10], Operations: ['63/9=7', '17-7=10'] Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 18*10=180, Resulting Numbers: [180] 180,91 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: 91:[9, 17, 81], Operations: ['63+18=81'] Exploring Operation: 17+81=98, Resulting Numbers: [9, 98] Generated Node #0,0,0: 91:[9, 98] Operation: 17+81=98 Exploring Operation: 9+81=90, Resulting Numbers: [17, 90] Generated Node #0,0,1: 91:[17, 90] Operation: 9+81=90 Exploring Operation: 81/9=9, Resulting Numbers: [17, 9] Generated Node #0,0,2: 91:[17, 9] Operation: 81/9=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 91:[17, 90], Operations: ['63+18=81', '9+81=90'] Exploring Operation: 17*90=1530, Resulting Numbers: [1530] 1530,91 unequal: No Solution Exploring Operation: 17+90=107, Resulting Numbers: [107] 107,91 unequal: No Solution Exploring Operation: 90-17=73, Resulting Numbers: [73] 73,91 unequal: No Solution No 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: 91:[17, 9], Operations: ['63+18=81', '81/9=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,91 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,91 unequal: No Solution No 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: 91:[9, 98], Operations: ['63+18=81', '17+81=98'] Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 9*98=882, Resulting Numbers: [882] 882,91 unequal: No Solution Exploring Operation: 9+98=107, Resulting Numbers: [107] 107,91 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: 91:[9, 18, 80], Operations: ['17+63=80'] Exploring Operation: 18+80=98, Resulting Numbers: [9, 98] Generated Node #0,1,0: 91:[9, 98] Operation: 18+80=98 Exploring Operation: 18-9=9, Resulting Numbers: [80, 9] Generated Node #0,1,1: 91:[80, 9] Operation: 18-9=9 Exploring Operation: 9+80=89, Resulting Numbers: [18, 89] Generated Node #0,1,2: 91:[18, 89] Operation: 9+80=89 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[18, 89], Operations: ['17+63=80', '9+80=89'] Exploring Operation: 18*89=1602, Resulting Numbers: [1602] 1602,91 unequal: No Solution Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 18+89=107, Resulting Numbers: [107] 107,91 unequal: No Solution No 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: 91:[9, 98], Operations: ['17+63=80', '18+80=98'] Exploring Operation: 9*98=882, Resulting Numbers: [882] 882,91 unequal: No Solution Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 9+98=107, Resulting Numbers: [107] 107,91 unequal: No Solution No 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: 91:[80, 9], Operations: ['17+63=80', '18-9=9'] Exploring Operation: 80*9=720, Resulting Numbers: [720] 720,91 unequal: No Solution Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 80+9=89, Resulting Numbers: [89] 89,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 91, 92, 80, 44 ]
23
[ "91-80=11", "92*11=1012", "1012/44=23" ]
Current State: 23:[91, 92, 80, 44], Operations: [] Exploring Operation: 91-80=11, Resulting Numbers: [92, 44, 11] Generated Node #2: [92, 44, 11] from Operation: 91-80=11 Current State: 23:[92, 44, 11], Operations: ['91-80=11'] Exploring Operation: 92*11=1012, Resulting Numbers: [44, 1012] Generated Node #3: [44, 1012] from Operation: 92*11=1012 Current State: 23:[44, 1012], Operations: ['91-80=11', '92*11=1012'] Exploring Operation: 1012/44=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[91, 92, 80, 44], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [91, 44, 12] Generated Node #0,0: 23:[91, 44, 12] Operation: 92-80=12 Exploring Operation: 92-91=1, Resulting Numbers: [80, 44, 1] Generated Node #0,1: 23:[80, 44, 1] Operation: 92-91=1 Exploring Operation: 91-44=47, Resulting Numbers: [92, 80, 47] Generated Node #0,2: 23:[92, 80, 47] Operation: 91-44=47 Exploring Operation: 92-44=48, Resulting Numbers: [91, 80, 48] Generated Node #0,3: 23:[91, 80, 48] Operation: 92-44=48 Exploring Operation: 91-80=11, Resulting Numbers: [92, 44, 11] Generated Node #0,4: 23:[92, 44, 11] Operation: 91-80=11 Moving to Node #0,0 Current State: 23:[91, 44, 12], Operations: ['92-80=12'] Exploring Operation: 91-44=47, Resulting Numbers: [12, 47] Generated Node #0,0,0: 23:[12, 47] Operation: 91-44=47 Exploring Operation: 91-12=79, Resulting Numbers: [44, 79] Generated Node #0,0,1: 23:[44, 79] Operation: 91-12=79 Exploring Operation: 91+12=103, Resulting Numbers: [44, 103] Generated Node #0,0,2: 23:[44, 103] Operation: 91+12=103 Exploring Operation: 44+12=56, Resulting Numbers: [91, 56] Generated Node #0,0,3: 23:[91, 56] Operation: 44+12=56 Exploring Operation: 44-12=32, Resulting Numbers: [91, 32] Generated Node #0,0,4: 23:[91, 32] Operation: 44-12=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[12, 47], Operations: ['92-80=12', '91-44=47'] Exploring Operation: 12+47=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,23 unequal: No Solution Exploring Operation: 12*47=564, Resulting Numbers: [564] 564,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 23:[44, 79], Operations: ['92-80=12', '91-12=79'] Exploring Operation: 79-44=35, Resulting Numbers: [35] 35,23 unequal: No Solution Exploring Operation: 44+79=123, Resulting Numbers: [123] 123,23 unequal: No Solution Exploring Operation: 44*79=3476, Resulting Numbers: [3476] 3476,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 23:[91, 32], Operations: ['92-80=12', '44-12=32'] Exploring Operation: 91+32=123, Resulting Numbers: [123] 123,23 unequal: No Solution Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 91*32=2912, Resulting Numbers: [2912] 2912,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 23:[44, 103], Operations: ['92-80=12', '91+12=103'] Exploring Operation: 103-44=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 44+103=147, Resulting Numbers: [147] 147,23 unequal: No Solution Exploring Operation: 44*103=4532, Resulting Numbers: [4532] 4532,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 23:[91, 56], Operations: ['92-80=12', '44+12=56'] Exploring Operation: 91*56=5096, Resulting Numbers: [5096] 5096,23 unequal: No Solution Exploring Operation: 91-56=35, Resulting Numbers: [35] 35,23 unequal: No Solution Exploring Operation: 91+56=147, Resulting Numbers: [147] 147,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 23:[80, 44, 1], Operations: ['92-91=1'] Exploring Operation: 80-1=79, Resulting Numbers: [44, 79] Generated Node #0,1,0: 23:[44, 79] Operation: 80-1=79 Exploring Operation: 80-44=36, Resulting Numbers: [1, 36] Generated Node #0,1,1: 23:[1, 36] Operation: 80-44=36 Exploring Operation: 80*1=80, Resulting Numbers: [44, 80] Generated Node #0,1,2: 23:[44, 80] Operation: 80*1=80 Exploring Operation: 80/1=80, Resulting Numbers: [44, 80] Generated Node #0,1,3: 23:[44, 80] Operation: 80/1=80 Exploring Operation: 44-1=43, Resulting Numbers: [80, 43] Generated Node #0,1,4: 23:[80, 43] Operation: 44-1=43 Moving to Node #0,4 Current State: 23:[92, 44, 11], Operations: ['91-80=11'] Exploring Operation: 92-11=81, Resulting Numbers: [44, 81] Generated Node #0,4,0: 23:[44, 81] Operation: 92-11=81 Exploring Operation: 44-11=33, Resulting Numbers: [92, 33] Generated Node #0,4,1: 23:[92, 33] Operation: 44-11=33 Exploring Operation: 92-44=48, Resulting Numbers: [11, 48] Generated Node #0,4,2: 23:[11, 48] Operation: 92-44=48 Exploring Operation: 92+11=103, Resulting Numbers: [44, 103] Generated Node #0,4,3: 23:[44, 103] Operation: 92+11=103 Exploring Operation: 44/11=4, Resulting Numbers: [92, 4] Generated Node #0,4,4: 23:[92, 4] Operation: 44/11=4 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 23:[11, 48], Operations: ['91-80=11', '92-44=48'] Exploring Operation: 11*48=528, Resulting Numbers: [528] 528,23 unequal: No Solution Exploring Operation: 11+48=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 23:[44, 81], Operations: ['91-80=11', '92-11=81'] Exploring Operation: 44*81=3564, Resulting Numbers: [3564] 3564,23 unequal: No Solution Exploring Operation: 81-44=37, Resulting Numbers: [37] 37,23 unequal: No Solution Exploring Operation: 44+81=125, Resulting Numbers: [125] 125,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 23:[92, 33], Operations: ['91-80=11', '44-11=33'] Exploring Operation: 92*33=3036, Resulting Numbers: [3036] 3036,23 unequal: No Solution Exploring Operation: 92-33=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 92+33=125, Resulting Numbers: [125] 125,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 23:[92, 4], Operations: ['91-80=11', '44/11=4'] Exploring Operation: 92/4=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[91, 92, 80, 44], Operations: [] Exploring Operation: 91-80=11, Resulting Numbers: [92, 44, 11] Generated Node #0,4: 23:[92, 44, 11] Operation: 91-80=11 Moving to Node #0,4 Current State: 23:[92, 44, 11], Operations: ['91-80=11'] Exploring Operation: 44/11=4, Resulting Numbers: [92, 4] Generated Node #0,4,4: 23:[92, 4] Operation: 44/11=4 Moving to Node #0,4,4 Current State: 23:[92, 4], Operations: ['91-80=11', '44/11=4'] Exploring Operation: 92/4=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.957465
hs_5
sum_heuristic
[ 75, 32, 45, 50 ]
48
[ "75-32=43", "50-45=5", "43+5=48" ]
Current State: 48:[75, 32, 45, 50], Operations: [] Exploring Operation: 75-32=43, Resulting Numbers: [45, 50, 43] Generated Node #2: [45, 50, 43] from Operation: 75-32=43 Current State: 48:[45, 50, 43], Operations: ['75-32=43'] Exploring Operation: 50-45=5, Resulting Numbers: [43, 5] Generated Node #3: [43, 5] from Operation: 50-45=5 Current State: 48:[43, 5], Operations: ['75-32=43', '50-45=5'] Exploring Operation: 43+5=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[75, 32, 45, 50], Operations: [] Exploring Operation: 75-32=43, Resulting Numbers: [45, 50, 43] Generated Node #0,0: 48:[45, 50, 43] Operation: 75-32=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[45, 50, 43], Operations: ['75-32=43'] Exploring Operation: 45-43=2, Resulting Numbers: [50, 2] Generated Node #0,0,0: 48:[50, 2] Operation: 45-43=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[50, 2], Operations: ['75-32=43', '45-43=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[75, 32, 45, 50], Operations: [] Exploring Operation: 75-32=43, Resulting Numbers: [45, 50, 43] Generated Node #0,0: 48:[45, 50, 43] Operation: 75-32=43 Moving to Node #0,0 Current State: 48:[45, 50, 43], Operations: ['75-32=43'] Exploring Operation: 45-43=2, Resulting Numbers: [50, 2] Generated Node #0,0,0: 48:[50, 2] Operation: 45-43=2 Moving to Node #0,0,0 Current State: 48:[50, 2], Operations: ['75-32=43', '45-43=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 41, 43, 61, 63 ]
40
[ "41+43=84", "61+63=124", "124-84=40" ]
Current State: 40:[41, 43, 61, 63], Operations: [] Exploring Operation: 41+43=84, Resulting Numbers: [61, 63, 84] Generated Node #2: [61, 63, 84] from Operation: 41+43=84 Current State: 40:[61, 63, 84], Operations: ['41+43=84'] Exploring Operation: 61+63=124, Resulting Numbers: [84, 124] Generated Node #3: [84, 124] from Operation: 61+63=124 Current State: 40:[84, 124], Operations: ['41+43=84', '61+63=124'] Exploring Operation: 124-84=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[41, 43, 61, 63], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [41, 43, 2] Generated Node #0,0: 40:[41, 43, 2] Operation: 63-61=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[41, 43, 2], Operations: ['63-61=2'] Exploring Operation: 43-41=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 40:[2, 2] Operation: 43-41=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[2, 2], Operations: ['63-61=2', '43-41=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,40 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 No solution found.
0
hs_1
sum_heuristic
[ 43, 99, 25, 4 ]
98
[ "43*4=172", "99-25=74", "172-74=98" ]
Current State: 98:[43, 99, 25, 4], Operations: [] Exploring Operation: 43*4=172, Resulting Numbers: [99, 25, 172] Generated Node #2: [99, 25, 172] from Operation: 43*4=172 Current State: 98:[99, 25, 172], Operations: ['43*4=172'] Exploring Operation: 99-25=74, Resulting Numbers: [172, 74] Generated Node #3: [172, 74] from Operation: 99-25=74 Current State: 98:[172, 74], Operations: ['43*4=172', '99-25=74'] Exploring Operation: 172-74=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[43, 99, 25, 4], Operations: [] Exploring Operation: 43-25=18, Resulting Numbers: [99, 4, 18] Generated Node #0,0: 98:[99, 4, 18] Operation: 43-25=18 Exploring Operation: 43+4=47, Resulting Numbers: [99, 25, 47] Generated Node #0,1: 98:[99, 25, 47] Operation: 43+4=47 Exploring Operation: 25*4=100, Resulting Numbers: [43, 99, 100] Generated Node #0,2: 98:[43, 99, 100] Operation: 25*4=100 Moving to Node #0,0 Current State: 98:[99, 4, 18], Operations: ['43-25=18'] Exploring Operation: 18-4=14, Resulting Numbers: [99, 14] Generated Node #0,0,0: 98:[99, 14] Operation: 18-4=14 Exploring Operation: 99-4=95, Resulting Numbers: [18, 95] Generated Node #0,0,1: 98:[18, 95] Operation: 99-4=95 Exploring Operation: 99+4=103, Resulting Numbers: [18, 103] Generated Node #0,0,2: 98:[18, 103] Operation: 99+4=103 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[99, 14], Operations: ['43-25=18', '18-4=14'] Exploring Operation: 99*14=1386, Resulting Numbers: [1386] 1386,98 unequal: No Solution Exploring Operation: 99+14=113, Resulting Numbers: [113] 113,98 unequal: No Solution Exploring Operation: 99-14=85, Resulting Numbers: [85] 85,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 98:[18, 95], Operations: ['43-25=18', '99-4=95'] Exploring Operation: 18+95=113, Resulting Numbers: [113] 113,98 unequal: No Solution Exploring Operation: 95-18=77, Resulting Numbers: [77] 77,98 unequal: No Solution Exploring Operation: 18*95=1710, Resulting Numbers: [1710] 1710,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 98:[18, 103], Operations: ['43-25=18', '99+4=103'] Exploring Operation: 103-18=85, Resulting Numbers: [85] 85,98 unequal: No Solution Exploring Operation: 18+103=121, Resulting Numbers: [121] 121,98 unequal: No Solution Exploring Operation: 18*103=1854, Resulting Numbers: [1854] 1854,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 98:[43, 99, 100], Operations: ['25*4=100'] Exploring Operation: 99-43=56, Resulting Numbers: [100, 56] Generated Node #0,2,0: 98:[100, 56] Operation: 99-43=56 Exploring Operation: 100-43=57, Resulting Numbers: [99, 57] Generated Node #0,2,1: 98:[99, 57] Operation: 100-43=57 Exploring Operation: 100-99=1, Resulting Numbers: [43, 1] Generated Node #0,2,2: 98:[43, 1] Operation: 100-99=1 Moving to Node #0,1 Current State: 98:[99, 25, 47], Operations: ['43+4=47'] Exploring Operation: 25+47=72, Resulting Numbers: [99, 72] Generated Node #0,1,0: 98:[99, 72] Operation: 25+47=72 Exploring Operation: 99-47=52, Resulting Numbers: [25, 52] Generated Node #0,1,1: 98:[25, 52] Operation: 99-47=52 Exploring Operation: 47-25=22, Resulting Numbers: [99, 22] Generated Node #0,1,2: 98:[99, 22] Operation: 47-25=22 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 98:[99, 22], Operations: ['43+4=47', '47-25=22'] Exploring Operation: 99+22=121, Resulting Numbers: [121] 121,98 unequal: No Solution Exploring Operation: 99-22=77, Resulting Numbers: [77] 77,98 unequal: No Solution Exploring Operation: 99*22=2178, Resulting Numbers: [2178] 2178,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[25, 52], Operations: ['43+4=47', '99-47=52'] Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,98 unequal: No Solution Exploring Operation: 25+52=77, Resulting Numbers: [77] 77,98 unequal: No Solution Exploring Operation: 25*52=1300, Resulting Numbers: [1300] 1300,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[99, 72], Operations: ['43+4=47', '25+47=72'] Exploring Operation: 99+72=171, Resulting Numbers: [171] 171,98 unequal: No Solution Exploring Operation: 99-72=27, Resulting Numbers: [27] 27,98 unequal: No Solution Exploring Operation: 99*72=7128, Resulting Numbers: [7128] 7128,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 98:[43, 1], Operations: ['25*4=100', '100-99=1'] Exploring Operation: 43+1=44, Resulting Numbers: [44] 44,98 unequal: No Solution Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 43*1=43, Resulting Numbers: [43] 43,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[100, 56], Operations: ['25*4=100', '99-43=56'] Exploring Operation: 100+56=156, Resulting Numbers: [156] 156,98 unequal: No Solution Exploring Operation: 100-56=44, Resulting Numbers: [44] 44,98 unequal: No Solution Exploring Operation: 100*56=5600, Resulting Numbers: [5600] 5600,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[99, 57], Operations: ['25*4=100', '100-43=57'] Exploring Operation: 99*57=5643, Resulting Numbers: [5643] 5643,98 unequal: No Solution Exploring Operation: 99+57=156, Resulting Numbers: [156] 156,98 unequal: No Solution Exploring Operation: 99-57=42, Resulting Numbers: [42] 42,98 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 27, 41, 15, 53 ]
30
[ "27+41=68", "53-15=38", "68-38=30" ]
Current State: 30:[27, 41, 15, 53], Operations: [] Exploring Operation: 27+41=68, Resulting Numbers: [15, 53, 68] Generated Node #2: [15, 53, 68] from Operation: 27+41=68 Current State: 30:[15, 53, 68], Operations: ['27+41=68'] Exploring Operation: 53-15=38, Resulting Numbers: [68, 38] Generated Node #3: [68, 38] from Operation: 53-15=38 Current State: 30:[68, 38], Operations: ['27+41=68', '53-15=38'] Exploring Operation: 68-38=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[27, 41, 15, 53], Operations: [] Exploring Operation: 53-41=12, Resulting Numbers: [27, 15, 12] Generated Node #0,0: 30:[27, 15, 12] Operation: 53-41=12 Exploring Operation: 53-27=26, Resulting Numbers: [41, 15, 26] Generated Node #0,1: 30:[41, 15, 26] Operation: 53-27=26 Moving to Node #0,0 Current State: 30:[27, 15, 12], Operations: ['53-41=12'] Exploring Operation: 15-12=3, Resulting Numbers: [27, 3] Generated Node #0,0,0: 30:[27, 3] Operation: 15-12=3 Exploring Operation: 27-12=15, Resulting Numbers: [15, 15] Generated Node #0,0,1: 30:[15, 15] Operation: 27-12=15 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[15, 15], Operations: ['53-41=12', '27-12=15'] Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[27, 41, 15, 53], Operations: [] Exploring Operation: 53-41=12, Resulting Numbers: [27, 15, 12] Generated Node #0,0: 30:[27, 15, 12] Operation: 53-41=12 Moving to Node #0,0 Current State: 30:[27, 15, 12], Operations: ['53-41=12'] Exploring Operation: 27-12=15, Resulting Numbers: [15, 15] Generated Node #0,0,1: 30:[15, 15] Operation: 27-12=15 Moving to Node #0,0,1 Current State: 30:[15, 15], Operations: ['53-41=12', '27-12=15'] Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 65, 71, 92, 48 ]
38
[ "71-65=6", "92-48=44", "44-6=38" ]
Current State: 38:[65, 71, 92, 48], Operations: [] Exploring Operation: 71-65=6, Resulting Numbers: [92, 48, 6] Generated Node #2: [92, 48, 6] from Operation: 71-65=6 Current State: 38:[92, 48, 6], Operations: ['71-65=6'] Exploring Operation: 92-48=44, Resulting Numbers: [6, 44] Generated Node #3: [6, 44] from Operation: 92-48=44 Current State: 38:[6, 44], Operations: ['71-65=6', '92-48=44'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[65, 71, 92, 48], Operations: [] Exploring Operation: 92-48=44, Resulting Numbers: [65, 71, 44] Generated Node #0,0: 38:[65, 71, 44] Operation: 92-48=44 Exploring Operation: 71-65=6, Resulting Numbers: [92, 48, 6] Generated Node #0,1: 38:[92, 48, 6] Operation: 71-65=6 Exploring Operation: 71-48=23, Resulting Numbers: [65, 92, 23] Generated Node #0,2: 38:[65, 92, 23] Operation: 71-48=23 Exploring Operation: 92-71=21, Resulting Numbers: [65, 48, 21] Generated Node #0,3: 38:[65, 48, 21] Operation: 92-71=21 Exploring Operation: 92-65=27, Resulting Numbers: [71, 48, 27] Generated Node #0,4: 38:[71, 48, 27] Operation: 92-65=27 Start Sub Search at level 1: Moving to Node #0,3 Current State: 38:[65, 48, 21], Operations: ['92-71=21'] Exploring Operation: 65-21=44, Resulting Numbers: [48, 44] Generated Node #0,3,0: 38:[48, 44] Operation: 65-21=44 Exploring Operation: 65+21=86, Resulting Numbers: [48, 86] Generated Node #0,3,1: 38:[48, 86] Operation: 65+21=86 Exploring Operation: 48-21=27, Resulting Numbers: [65, 27] Generated Node #0,3,2: 38:[65, 27] Operation: 48-21=27 Exploring Operation: 48+21=69, Resulting Numbers: [65, 69] Generated Node #0,3,3: 38:[65, 69] Operation: 48+21=69 Exploring Operation: 65-48=17, Resulting Numbers: [21, 17] Generated Node #0,3,4: 38:[21, 17] Operation: 65-48=17 Moving to Node #0,3,4 Current State: 38:[21, 17], Operations: ['92-71=21', '65-48=17'] Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[65, 71, 92, 48], Operations: [] Exploring Operation: 92-71=21, Resulting Numbers: [65, 48, 21] Generated Node #0,3: 38:[65, 48, 21] Operation: 92-71=21 Moving to Node #0,3 Current State: 38:[65, 48, 21], Operations: ['92-71=21'] Exploring Operation: 65-48=17, Resulting Numbers: [21, 17] Generated Node #0,3,4: 38:[21, 17] Operation: 65-48=17 Moving to Node #0,3,4 Current State: 38:[21, 17], Operations: ['92-71=21', '65-48=17'] Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 13, 23, 6, 26 ]
68
[ "13+23=36", "6+26=32", "36+32=68" ]
Current State: 68:[13, 23, 6, 26], Operations: [] Exploring Operation: 13+23=36, Resulting Numbers: [6, 26, 36] Generated Node #2: [6, 26, 36] from Operation: 13+23=36 Current State: 68:[6, 26, 36], Operations: ['13+23=36'] Exploring Operation: 6+26=32, Resulting Numbers: [36, 32] Generated Node #3: [36, 32] from Operation: 6+26=32 Current State: 68:[36, 32], Operations: ['13+23=36', '6+26=32'] Exploring Operation: 36+32=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[13, 23, 6, 26], Operations: [] Exploring Operation: 26-23=3, Resulting Numbers: [13, 6, 3] Generated Node #0,0: 68:[13, 6, 3] Operation: 26-23=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[13, 6, 3], Operations: ['26-23=3'] Exploring Operation: 13+6=19, Resulting Numbers: [3, 19] Generated Node #0,0,0: 68:[3, 19] Operation: 13+6=19 Moving to Node #0,0,0 Current State: 68:[3, 19], Operations: ['26-23=3', '13+6=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 64, 71, 55, 38 ]
86
[ "71-64=7", "55+38=93", "93-7=86" ]
Current State: 86:[64, 71, 55, 38], Operations: [] Exploring Operation: 71-64=7, Resulting Numbers: [55, 38, 7] Generated Node #2: [55, 38, 7] from Operation: 71-64=7 Current State: 86:[55, 38, 7], Operations: ['71-64=7'] Exploring Operation: 55+38=93, Resulting Numbers: [7, 93] Generated Node #3: [7, 93] from Operation: 55+38=93 Current State: 86:[7, 93], Operations: ['71-64=7', '55+38=93'] Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[64, 71, 55, 38], Operations: [] Exploring Operation: 71-64=7, Resulting Numbers: [55, 38, 7] Generated Node #0,0: 86:[55, 38, 7] Operation: 71-64=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[55, 38, 7], Operations: ['71-64=7'] Exploring Operation: 55-7=48, Resulting Numbers: [38, 48] Generated Node #0,0,0: 86:[38, 48] Operation: 55-7=48 Moving to Node #0,0,0 Current State: 86:[38, 48], Operations: ['71-64=7', '55-7=48'] Exploring Operation: 38+48=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[64, 71, 55, 38], Operations: [] Exploring Operation: 71-64=7, Resulting Numbers: [55, 38, 7] Generated Node #0,0: 86:[55, 38, 7] Operation: 71-64=7 Moving to Node #0,0 Current State: 86:[55, 38, 7], Operations: ['71-64=7'] Exploring Operation: 55-7=48, Resulting Numbers: [38, 48] Generated Node #0,0,0: 86:[38, 48] Operation: 55-7=48 Moving to Node #0,0,0 Current State: 86:[38, 48], Operations: ['71-64=7', '55-7=48'] Exploring Operation: 38+48=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 72, 10, 6, 60 ]
73
[ "10*6=60", "60/60=1", "72+1=73" ]
Current State: 73:[72, 10, 6, 60], Operations: [] Exploring Operation: 10*6=60, Resulting Numbers: [72, 60, 60] Generated Node #2: [72, 60, 60] from Operation: 10*6=60 Current State: 73:[72, 60, 60], Operations: ['10*6=60'] Exploring Operation: 60/60=1, Resulting Numbers: [72, 1] Generated Node #3: [72, 1] from Operation: 60/60=1 Current State: 73:[72, 1], Operations: ['10*6=60', '60/60=1'] Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[72, 10, 6, 60], Operations: [] Exploring Operation: 10*6=60, Resulting Numbers: [72, 60, 60] Generated Node #0,0: 73:[72, 60, 60] Operation: 10*6=60 Exploring Operation: 10+6=16, Resulting Numbers: [72, 60, 16] Generated Node #0,1: 73:[72, 60, 16] Operation: 10+6=16 Exploring Operation: 10+60=70, Resulting Numbers: [72, 6, 70] Generated Node #0,2: 73:[72, 6, 70] Operation: 10+60=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[72, 60, 60], Operations: ['10*6=60'] Exploring Operation: 60+60=120, Resulting Numbers: [72, 120] Generated Node #0,0,0: 73:[72, 120] Operation: 60+60=120 Exploring Operation: 72+60=132, Resulting Numbers: [60, 132] Generated Node #0,0,1: 73:[60, 132] Operation: 72+60=132 Exploring Operation: 72+60=132, Resulting Numbers: [60, 132] Generated Node #0,0,2: 73:[60, 132] Operation: 72+60=132 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[72, 120], Operations: ['10*6=60', '60+60=120'] Exploring Operation: 72+120=192, Resulting Numbers: [192] 192,73 unequal: No Solution Exploring Operation: 120-72=48, Resulting Numbers: [48] 48,73 unequal: No Solution Exploring Operation: 72*120=8640, Resulting Numbers: [8640] 8640,73 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 #0,0,1 Current State: 73:[60, 132], Operations: ['10*6=60', '72+60=132'] Exploring Operation: 60+132=192, Resulting Numbers: [192] 192,73 unequal: No Solution Exploring Operation: 60*132=7920, Resulting Numbers: [7920] 7920,73 unequal: No Solution Exploring Operation: 132-60=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 #0,0,2 Current State: 73:[60, 132], Operations: ['10*6=60', '72+60=132'] Exploring Operation: 132-60=72, Resulting Numbers: [72] 72,73 unequal: No Solution Exploring Operation: 60+132=192, Resulting Numbers: [192] 192,73 unequal: No Solution Exploring Operation: 60*132=7920, Resulting Numbers: [7920] 7920,73 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 #0,1 Current State: 73:[72, 60, 16], Operations: ['10+6=16'] Exploring Operation: 72-16=56, Resulting Numbers: [60, 56] Generated Node #0,1,0: 73:[60, 56] Operation: 72-16=56 Exploring Operation: 60+16=76, Resulting Numbers: [72, 76] Generated Node #0,1,1: 73:[72, 76] Operation: 60+16=76 Exploring Operation: 72+16=88, Resulting Numbers: [60, 88] Generated Node #0,1,2: 73:[60, 88] Operation: 72+16=88 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 73:[72, 76], Operations: ['10+6=16', '60+16=76'] Exploring Operation: 76-72=4, Resulting Numbers: [4] 4,73 unequal: No Solution Exploring Operation: 72*76=5472, Resulting Numbers: [5472] 5472,73 unequal: No Solution Exploring Operation: 72+76=148, Resulting Numbers: [148] 148,73 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:[60, 88], Operations: ['10+6=16', '72+16=88'] Exploring Operation: 60*88=5280, Resulting Numbers: [5280] 5280,73 unequal: No Solution Exploring Operation: 60+88=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 88-60=28, Resulting Numbers: [28] 28,73 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:[60, 56], Operations: ['10+6=16', '72-16=56'] Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,73 unequal: No Solution Exploring Operation: 60+56=116, Resulting Numbers: [116] 116,73 unequal: No Solution Exploring Operation: 60*56=3360, Resulting Numbers: [3360] 3360,73 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:[72, 6, 70], Operations: ['10+60=70'] Exploring Operation: 72+6=78, Resulting Numbers: [70, 78] Generated Node #0,2,0: 73:[70, 78] Operation: 72+6=78 Exploring Operation: 6+70=76, Resulting Numbers: [72, 76] Generated Node #0,2,1: 73:[72, 76] Operation: 6+70=76 Exploring Operation: 72-6=66, Resulting Numbers: [70, 66] Generated Node #0,2,2: 73:[70, 66] Operation: 72-6=66 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 73:[72, 76], Operations: ['10+60=70', '6+70=76'] Exploring Operation: 72+76=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 72*76=5472, Resulting Numbers: [5472] 5472,73 unequal: No Solution Exploring Operation: 76-72=4, Resulting Numbers: [4] 4,73 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:[70, 78], Operations: ['10+60=70', '72+6=78'] Exploring Operation: 78-70=8, Resulting Numbers: [8] 8,73 unequal: No Solution Exploring Operation: 70*78=5460, Resulting Numbers: [5460] 5460,73 unequal: No Solution Exploring Operation: 70+78=148, Resulting Numbers: [148] 148,73 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 #0,2,2 Current State: 73:[70, 66], Operations: ['10+60=70', '72-6=66'] Exploring Operation: 70+66=136, Resulting Numbers: [136] 136,73 unequal: No Solution Exploring Operation: 70-66=4, Resulting Numbers: [4] 4,73 unequal: No Solution Exploring Operation: 70*66=4620, Resulting Numbers: [4620] 4620,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 53, 2, 5, 32 ]
11
[ "53-32=21", "2*5=10", "21-10=11" ]
Current State: 11:[53, 2, 5, 32], Operations: [] Exploring Operation: 53-32=21, Resulting Numbers: [2, 5, 21] Generated Node #2: [2, 5, 21] from Operation: 53-32=21 Current State: 11:[2, 5, 21], Operations: ['53-32=21'] Exploring Operation: 2*5=10, Resulting Numbers: [21, 10] Generated Node #3: [21, 10] from Operation: 2*5=10 Current State: 11:[21, 10], Operations: ['53-32=21', '2*5=10'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[53, 2, 5, 32], Operations: [] Exploring Operation: 53-32=21, Resulting Numbers: [2, 5, 21] Generated Node #0,0: 11:[2, 5, 21] Operation: 53-32=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[2, 5, 21], Operations: ['53-32=21'] Exploring Operation: 2*5=10, Resulting Numbers: [21, 10] Generated Node #0,0,0: 11:[21, 10] Operation: 2*5=10 Moving to Node #0,0,0 Current State: 11:[21, 10], Operations: ['53-32=21', '2*5=10'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[53, 2, 5, 32], Operations: [] Exploring Operation: 53-32=21, Resulting Numbers: [2, 5, 21] Generated Node #0,0: 11:[2, 5, 21] Operation: 53-32=21 Moving to Node #0,0 Current State: 11:[2, 5, 21], Operations: ['53-32=21'] Exploring Operation: 2*5=10, Resulting Numbers: [21, 10] Generated Node #0,0,0: 11:[21, 10] Operation: 2*5=10 Moving to Node #0,0,0 Current State: 11:[21, 10], Operations: ['53-32=21', '2*5=10'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 91, 38, 51, 69 ]
35
[ "91-38=53", "69-51=18", "53-18=35" ]
Current State: 35:[91, 38, 51, 69], Operations: [] Exploring Operation: 91-38=53, Resulting Numbers: [51, 69, 53] Generated Node #2: [51, 69, 53] from Operation: 91-38=53 Current State: 35:[51, 69, 53], Operations: ['91-38=53'] Exploring Operation: 69-51=18, Resulting Numbers: [53, 18] Generated Node #3: [53, 18] from Operation: 69-51=18 Current State: 35:[53, 18], Operations: ['91-38=53', '69-51=18'] Exploring Operation: 53-18=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[91, 38, 51, 69], Operations: [] Exploring Operation: 91-69=22, Resulting Numbers: [38, 51, 22] Generated Node #0,0: 35:[38, 51, 22] Operation: 91-69=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[38, 51, 22], Operations: ['91-69=22'] Exploring Operation: 51-22=29, Resulting Numbers: [38, 29] Generated Node #0,0,0: 35:[38, 29] Operation: 51-22=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[38, 29], Operations: ['91-69=22', '51-22=29'] Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,35 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
[ 4, 98, 64, 62 ]
49
[ "64-4=60", "62-60=2", "98/2=49" ]
Current State: 49:[4, 98, 64, 62], Operations: [] Exploring Operation: 64-4=60, Resulting Numbers: [98, 62, 60] Generated Node #2: [98, 62, 60] from Operation: 64-4=60 Current State: 49:[98, 62, 60], Operations: ['64-4=60'] Exploring Operation: 62-60=2, Resulting Numbers: [98, 2] Generated Node #3: [98, 2] from Operation: 62-60=2 Current State: 49:[98, 2], Operations: ['64-4=60', '62-60=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[4, 98, 64, 62], Operations: [] Exploring Operation: 64-62=2, Resulting Numbers: [4, 98, 2] Generated Node #0,0: 49:[4, 98, 2] Operation: 64-62=2 Exploring Operation: 64/4=16, Resulting Numbers: [98, 62, 16] Generated Node #0,1: 49:[98, 62, 16] Operation: 64/4=16 Exploring Operation: 98-62=36, Resulting Numbers: [4, 64, 36] Generated Node #0,2: 49:[4, 64, 36] Operation: 98-62=36 Exploring Operation: 98-64=34, Resulting Numbers: [4, 62, 34] Generated Node #0,3: 49:[4, 62, 34] Operation: 98-64=34 Moving to Node #0,2 Current State: 49:[4, 64, 36], Operations: ['98-62=36'] Exploring Operation: 4+36=40, Resulting Numbers: [64, 40] Generated Node #0,2,0: 49:[64, 40] Operation: 4+36=40 Exploring Operation: 36/4=9, Resulting Numbers: [64, 9] Generated Node #0,2,1: 49:[64, 9] Operation: 36/4=9 Exploring Operation: 64/4=16, Resulting Numbers: [36, 16] Generated Node #0,2,2: 49:[36, 16] Operation: 64/4=16 Exploring Operation: 64-4=60, Resulting Numbers: [36, 60] Generated Node #0,2,3: 49:[36, 60] Operation: 64-4=60 Moving to Node #0,3 Current State: 49:[4, 62, 34], Operations: ['98-64=34'] Exploring Operation: 4+62=66, Resulting Numbers: [34, 66] Generated Node #0,3,0: 49:[34, 66] Operation: 4+62=66 Exploring Operation: 62-4=58, Resulting Numbers: [34, 58] Generated Node #0,3,1: 49:[34, 58] Operation: 62-4=58 Exploring Operation: 62-34=28, Resulting Numbers: [4, 28] Generated Node #0,3,2: 49:[4, 28] Operation: 62-34=28 Exploring Operation: 4+34=38, Resulting Numbers: [62, 38] Generated Node #0,3,3: 49:[62, 38] Operation: 4+34=38 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 49:[34, 58], Operations: ['98-64=34', '62-4=58'] Exploring Operation: 34+58=92, Resulting Numbers: [92] 92,49 unequal: No Solution Exploring Operation: 58-34=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 34*58=1972, Resulting Numbers: [1972] 1972,49 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 #0,3,2 Current State: 49:[4, 28], Operations: ['98-64=34', '62-34=28'] Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,49 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 4*28=112, Resulting Numbers: [112] 112,49 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 #0,3,3 Current State: 49:[62, 38], Operations: ['98-64=34', '4+34=38'] Exploring Operation: 62*38=2356, Resulting Numbers: [2356] 2356,49 unequal: No Solution Exploring Operation: 62+38=100, Resulting Numbers: [100] 100,49 unequal: No Solution Exploring Operation: 62-38=24, Resulting Numbers: [24] 24,49 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 #0,3,0 Current State: 49:[34, 66], Operations: ['98-64=34', '4+62=66'] Exploring Operation: 34*66=2244, Resulting Numbers: [2244] 2244,49 unequal: No Solution Exploring Operation: 34+66=100, Resulting Numbers: [100] 100,49 unequal: No Solution Exploring Operation: 66-34=32, Resulting Numbers: [32] 32,49 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:[4, 98, 2], Operations: ['64-62=2'] Exploring Operation: 98-4=94, Resulting Numbers: [2, 94] Generated Node #0,0,0: 49:[2, 94] Operation: 98-4=94 Exploring Operation: 4+2=6, Resulting Numbers: [98, 6] Generated Node #0,0,1: 49:[98, 6] Operation: 4+2=6 Exploring Operation: 4*2=8, Resulting Numbers: [98, 8] Generated Node #0,0,2: 49:[98, 8] Operation: 4*2=8 Exploring Operation: 98/2=49, Resulting Numbers: [4, 49] Generated Node #0,0,3: 49:[4, 49] Operation: 98/2=49 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 49:[4, 49], Operations: ['64-62=2', '98/2=49'] Exploring Operation: 4+49=53, Resulting Numbers: [53] 53,49 unequal: No Solution Exploring Operation: 4*49=196, Resulting Numbers: [196] 196,49 unequal: No Solution Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,49 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 #0,0,0 Current State: 49:[2, 94], Operations: ['64-62=2', '98-4=94'] Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,49 unequal: No Solution Exploring Operation: 2+94=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,49 unequal: No Solution Exploring Operation: 2*94=188, Resulting Numbers: [188] 188,49 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 #0,0,1 Current State: 49:[98, 6], Operations: ['64-62=2', '4+2=6'] Exploring Operation: 98+6=104, Resulting Numbers: [104] 104,49 unequal: No Solution Exploring Operation: 98*6=588, Resulting Numbers: [588] 588,49 unequal: No Solution Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,49 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 #0,0,2 Current State: 49:[98, 8], Operations: ['64-62=2', '4*2=8'] Exploring Operation: 98+8=106, Resulting Numbers: [106] 106,49 unequal: No Solution Exploring Operation: 98-8=90, Resulting Numbers: [90] 90,49 unequal: No Solution Exploring Operation: 98*8=784, Resulting Numbers: [784] 784,49 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: 49:[98, 62, 16], Operations: ['64/4=16'] Exploring Operation: 62-16=46, Resulting Numbers: [98, 46] Generated Node #0,1,0: 49:[98, 46] Operation: 62-16=46 Exploring Operation: 98-62=36, Resulting Numbers: [16, 36] Generated Node #0,1,1: 49:[16, 36] Operation: 98-62=36 Exploring Operation: 98+16=114, Resulting Numbers: [62, 114] Generated Node #0,1,2: 49:[62, 114] Operation: 98+16=114 Exploring Operation: 98-16=82, Resulting Numbers: [62, 82] Generated Node #0,1,3: 49:[62, 82] Operation: 98-16=82 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[16, 36], Operations: ['64/4=16', '98-62=36'] Exploring Operation: 16*36=576, Resulting Numbers: [576] 576,49 unequal: No Solution Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 16+36=52, Resulting Numbers: [52] 52,49 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 #0,1,3 Current State: 49:[62, 82], Operations: ['64/4=16', '98-16=82'] Exploring Operation: 82-62=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 62+82=144, Resulting Numbers: [144] 144,49 unequal: No Solution Exploring Operation: 62*82=5084, Resulting Numbers: [5084] 5084,49 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 #0,1,0 Current State: 49:[98, 46], Operations: ['64/4=16', '62-16=46'] Exploring Operation: 98-46=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 98+46=144, Resulting Numbers: [144] 144,49 unequal: No Solution Exploring Operation: 98*46=4508, Resulting Numbers: [4508] 4508,49 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 #0,1,2 Current State: 49:[62, 114], Operations: ['64/4=16', '98+16=114'] Exploring Operation: 114-62=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 62*114=7068, Resulting Numbers: [7068] 7068,49 unequal: No Solution Exploring Operation: 62+114=176, Resulting Numbers: [176] 176,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 49:[64, 9], Operations: ['98-62=36', '36/4=9'] Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,49 unequal: No Solution Exploring Operation: 64*9=576, Resulting Numbers: [576] 576,49 unequal: No Solution Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[36, 16], Operations: ['98-62=36', '64/4=16'] Exploring Operation: 36*16=576, Resulting Numbers: [576] 576,49 unequal: No Solution Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 36+16=52, Resulting Numbers: [52] 52,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[36, 60], Operations: ['98-62=36', '64-4=60'] Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 36*60=2160, Resulting Numbers: [2160] 2160,49 unequal: No Solution Exploring Operation: 36+60=96, Resulting Numbers: [96] 96,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[64, 40], Operations: ['98-62=36', '4+36=40'] Exploring Operation: 64-40=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 64*40=2560, Resulting Numbers: [2560] 2560,49 unequal: No Solution Exploring Operation: 64+40=104, Resulting Numbers: [104] 104,49 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 18, 49, 99, 33 ]
93
[ "49-18=31", "99/33=3", "31*3=93" ]
Current State: 93:[18, 49, 99, 33], Operations: [] Exploring Operation: 49-18=31, Resulting Numbers: [99, 33, 31] Generated Node #2: [99, 33, 31] from Operation: 49-18=31 Current State: 93:[99, 33, 31], Operations: ['49-18=31'] Exploring Operation: 99/33=3, Resulting Numbers: [31, 3] Generated Node #3: [31, 3] from Operation: 99/33=3 Current State: 93:[31, 3], Operations: ['49-18=31', '99/33=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[18, 49, 99, 33], Operations: [] Exploring Operation: 49+33=82, Resulting Numbers: [18, 99, 82] Generated Node #0,0: 93:[18, 99, 82] Operation: 49+33=82 Exploring Operation: 99-18=81, Resulting Numbers: [49, 33, 81] Generated Node #0,1: 93:[49, 33, 81] Operation: 99-18=81 Exploring Operation: 99/33=3, Resulting Numbers: [18, 49, 3] Generated Node #0,2: 93:[18, 49, 3] Operation: 99/33=3 Exploring Operation: 49-18=31, Resulting Numbers: [99, 33, 31] Generated Node #0,3: 93:[99, 33, 31] Operation: 49-18=31 Exploring Operation: 49-33=16, Resulting Numbers: [18, 99, 16] Generated Node #0,4: 93:[18, 99, 16] Operation: 49-33=16 Start Sub Search at level 1: Moving to Node #0,3 Current State: 93:[99, 33, 31], Operations: ['49-18=31'] Exploring Operation: 33-31=2, Resulting Numbers: [99, 2] Generated Node #0,3,0: 93:[99, 2] Operation: 33-31=2 Exploring Operation: 33+31=64, Resulting Numbers: [99, 64] Generated Node #0,3,1: 93:[99, 64] Operation: 33+31=64 Exploring Operation: 99-31=68, Resulting Numbers: [33, 68] Generated Node #0,3,2: 93:[33, 68] Operation: 99-31=68 Exploring Operation: 99-33=66, Resulting Numbers: [31, 66] Generated Node #0,3,3: 93:[31, 66] Operation: 99-33=66 Exploring Operation: 99/33=3, Resulting Numbers: [31, 3] Generated Node #0,3,4: 93:[31, 3] Operation: 99/33=3 Moving to Node #0,3,4 Current State: 93:[31, 3], Operations: ['49-18=31', '99/33=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[18, 49, 99, 33], Operations: [] Exploring Operation: 49-18=31, Resulting Numbers: [99, 33, 31] Generated Node #0,3: 93:[99, 33, 31] Operation: 49-18=31 Moving to Node #0,3 Current State: 93:[99, 33, 31], Operations: ['49-18=31'] Exploring Operation: 99/33=3, Resulting Numbers: [31, 3] Generated Node #0,3,4: 93:[31, 3] Operation: 99/33=3 Moving to Node #0,3,4 Current State: 93:[31, 3], Operations: ['49-18=31', '99/33=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 1, 5, 15, 85 ]
13
[ "85-15=70", "70/5=14", "14-1=13" ]
Current State: 13:[1, 5, 15, 85], Operations: [] Exploring Operation: 85-15=70, Resulting Numbers: [1, 5, 70] Generated Node #2: [1, 5, 70] from Operation: 85-15=70 Current State: 13:[1, 5, 70], Operations: ['85-15=70'] Exploring Operation: 70/5=14, Resulting Numbers: [1, 14] Generated Node #3: [1, 14] from Operation: 70/5=14 Current State: 13:[1, 14], Operations: ['85-15=70', '70/5=14'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[1, 5, 15, 85], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [1, 15, 17] Generated Node #0,0: 13:[1, 15, 17] Operation: 85/5=17 Moving to Node #0,0 Current State: 13:[1, 15, 17], Operations: ['85/5=17'] Exploring Operation: 15-1=14, Resulting Numbers: [17, 14] Generated Node #0,0,0: 13:[17, 14] Operation: 15-1=14 Moving to Node #0,0,0 Current State: 13:[17, 14], Operations: ['85/5=17', '15-1=14'] Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,13 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 89, 24, 78, 35 ]
42
[ "89-24=65", "78*35=2730", "2730/65=42" ]
Current State: 42:[89, 24, 78, 35], Operations: [] Exploring Operation: 89-24=65, Resulting Numbers: [78, 35, 65] Generated Node #2: [78, 35, 65] from Operation: 89-24=65 Current State: 42:[78, 35, 65], Operations: ['89-24=65'] Exploring Operation: 78*35=2730, Resulting Numbers: [65, 2730] Generated Node #3: [65, 2730] from Operation: 78*35=2730 Current State: 42:[65, 2730], Operations: ['89-24=65', '78*35=2730'] Exploring Operation: 2730/65=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[89, 24, 78, 35], Operations: [] Exploring Operation: 89-24=65, Resulting Numbers: [78, 35, 65] Generated Node #0,0: 42:[78, 35, 65] Operation: 89-24=65 Exploring Operation: 89-35=54, Resulting Numbers: [24, 78, 54] Generated Node #0,1: 42:[24, 78, 54] Operation: 89-35=54 Exploring Operation: 78-35=43, Resulting Numbers: [89, 24, 43] Generated Node #0,2: 42:[89, 24, 43] Operation: 78-35=43 Exploring Operation: 78-24=54, Resulting Numbers: [89, 35, 54] Generated Node #0,3: 42:[89, 35, 54] Operation: 78-24=54 Exploring Operation: 89-78=11, Resulting Numbers: [24, 35, 11] Generated Node #0,4: 42:[24, 35, 11] Operation: 89-78=11 Start Sub Search at level 1: Moving to Node #0,4 Current State: 42:[24, 35, 11], Operations: ['89-78=11'] Exploring Operation: 35-24=11, Resulting Numbers: [11, 11] Generated Node #0,4,0: 42:[11, 11] Operation: 35-24=11 Exploring Operation: 24-11=13, Resulting Numbers: [35, 13] Generated Node #0,4,1: 42:[35, 13] Operation: 24-11=13 Exploring Operation: 35+11=46, Resulting Numbers: [24, 46] Generated Node #0,4,2: 42:[24, 46] Operation: 35+11=46 Exploring Operation: 35-11=24, Resulting Numbers: [24, 24] Generated Node #0,4,3: 42:[24, 24] Operation: 35-11=24 Exploring Operation: 24+11=35, Resulting Numbers: [35, 35] Generated Node #0,4,4: 42:[35, 35] Operation: 24+11=35 Moving to Node #0,4,0 Current State: 42:[11, 11], Operations: ['89-78=11', '35-24=11'] Exploring Operation: 11-11=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 11+11=22, Resulting Numbers: [22] 22,42 unequal: No Solution Exploring Operation: 11/11=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 11*11=121, Resulting Numbers: [121] 121,42 unequal: No Solution Moving to Node #0,4,3 Current State: 42:[24, 24], Operations: ['89-78=11', '35-11=24'] Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,42 unequal: No Solution Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 24*24=576, Resulting Numbers: [576] 576,42 unequal: No Solution Moving to Node #0,4,2 Current State: 42:[24, 46], Operations: ['89-78=11', '35+11=46'] Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,42 unequal: No Solution Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,42 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,42 unequal: No Solution Moving to Node #0,4,1 Current State: 42:[35, 13], Operations: ['89-78=11', '24-11=13'] Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,42 unequal: No Solution Exploring Operation: 35+13=48, Resulting Numbers: [48] 48,42 unequal: No Solution Exploring Operation: 35*13=455, Resulting Numbers: [455] 455,42 unequal: No Solution Moving to Node #0,4,4 Current State: 42:[35, 35], Operations: ['89-78=11', '24+11=35'] Exploring Operation: 35-35=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 35/35=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 35*35=1225, Resulting Numbers: [1225] 1225,42 unequal: No Solution Exploring Operation: 35+35=70, Resulting Numbers: [70] 70,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[24, 78, 54], Operations: ['89-35=54'] Exploring Operation: 78-54=24, Resulting Numbers: [24, 24] Generated Node #0,1,0: 42:[24, 24] Operation: 78-54=24 Exploring Operation: 78-24=54, Resulting Numbers: [54, 54] Generated Node #0,1,1: 42:[54, 54] Operation: 78-24=54 Exploring Operation: 24+54=78, Resulting Numbers: [78, 78] Generated Node #0,1,2: 42:[78, 78] Operation: 24+54=78 Exploring Operation: 24+78=102, Resulting Numbers: [54, 102] Generated Node #0,1,3: 42:[54, 102] Operation: 24+78=102 Exploring Operation: 54-24=30, Resulting Numbers: [78, 30] Generated Node #0,1,4: 42:[78, 30] Operation: 54-24=30 Moving to Node #0,1,0 Current State: 42:[24, 24], Operations: ['89-35=54', '78-54=24'] Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,42 unequal: No Solution Exploring Operation: 24*24=576, Resulting Numbers: [576] 576,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[54, 54], Operations: ['89-35=54', '78-24=54'] Exploring Operation: 54*54=2916, Resulting Numbers: [2916] 2916,42 unequal: No Solution Exploring Operation: 54/54=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 54+54=108, Resulting Numbers: [108] 108,42 unequal: No Solution Exploring Operation: 54-54=0, Resulting Numbers: [0] 0,42 unequal: No Solution Moving to Node #0,1,4 Current State: 42:[78, 30], Operations: ['89-35=54', '54-24=30'] Exploring Operation: 78*30=2340, Resulting Numbers: [2340] 2340,42 unequal: No Solution Exploring Operation: 78+30=108, Resulting Numbers: [108] 108,42 unequal: No Solution Exploring Operation: 78-30=48, Resulting Numbers: [48] 48,42 unequal: No Solution Moving to Node #0,1,2 Current State: 42:[78, 78], Operations: ['89-35=54', '24+54=78'] Exploring Operation: 78/78=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 78*78=6084, Resulting Numbers: [6084] 6084,42 unequal: No Solution Exploring Operation: 78-78=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 78+78=156, Resulting Numbers: [156] 156,42 unequal: No Solution Moving to Node #0,1,3 Current State: 42:[54, 102], Operations: ['89-35=54', '24+78=102'] Exploring Operation: 54*102=5508, Resulting Numbers: [5508] 5508,42 unequal: No Solution Exploring Operation: 54+102=156, Resulting Numbers: [156] 156,42 unequal: No Solution Exploring Operation: 102-54=48, Resulting Numbers: [48] 48,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[89, 24, 43], Operations: ['78-35=43'] Exploring Operation: 89-24=65, Resulting Numbers: [43, 65] Generated Node #0,2,0: 42:[43, 65] Operation: 89-24=65 Exploring Operation: 43-24=19, Resulting Numbers: [89, 19] Generated Node #0,2,1: 42:[89, 19] Operation: 43-24=19 Exploring Operation: 24+43=67, Resulting Numbers: [89, 67] Generated Node #0,2,2: 42:[89, 67] Operation: 24+43=67 Exploring Operation: 89-43=46, Resulting Numbers: [24, 46] Generated Node #0,2,3: 42:[24, 46] Operation: 89-43=46 Exploring Operation: 89+24=113, Resulting Numbers: [43, 113] Generated Node #0,2,4: 42:[43, 113] Operation: 89+24=113 Moving to Node #0,2,3 Current State: 42:[24, 46], Operations: ['78-35=43', '89-43=46'] Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,42 unequal: No Solution Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,42 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,42 unequal: No Solution Moving to Node #0,2,0 Current State: 42:[43, 65], Operations: ['78-35=43', '89-24=65'] Exploring Operation: 43*65=2795, Resulting Numbers: [2795] 2795,42 unequal: No Solution Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,42 unequal: No Solution Exploring Operation: 43+65=108, Resulting Numbers: [108] 108,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[89, 19], Operations: ['78-35=43', '43-24=19'] Exploring Operation: 89*19=1691, Resulting Numbers: [1691] 1691,42 unequal: No Solution Exploring Operation: 89+19=108, Resulting Numbers: [108] 108,42 unequal: No Solution Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[89, 67], Operations: ['78-35=43', '24+43=67'] Exploring Operation: 89+67=156, Resulting Numbers: [156] 156,42 unequal: No Solution Exploring Operation: 89*67=5963, Resulting Numbers: [5963] 5963,42 unequal: No Solution Exploring Operation: 89-67=22, Resulting Numbers: [22] 22,42 unequal: No Solution Moving to Node #0,2,4 Current State: 42:[43, 113], Operations: ['78-35=43', '89+24=113'] Exploring Operation: 43+113=156, Resulting Numbers: [156] 156,42 unequal: No Solution Exploring Operation: 113-43=70, Resulting Numbers: [70] 70,42 unequal: No Solution Exploring Operation: 43*113=4859, Resulting Numbers: [4859] 4859,42 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 Current State: 42:[78, 35, 65], Operations: ['89-24=65'] Exploring Operation: 78+35=113, Resulting Numbers: [65, 113] Generated Node #0,0,0: 42:[65, 113] Operation: 78+35=113 Exploring Operation: 78-65=13, Resulting Numbers: [35, 13] Generated Node #0,0,1: 42:[35, 13] Operation: 78-65=13 Exploring Operation: 78-35=43, Resulting Numbers: [65, 43] Generated Node #0,0,2: 42:[65, 43] Operation: 78-35=43 Exploring Operation: 65-35=30, Resulting Numbers: [78, 30] Generated Node #0,0,3: 42:[78, 30] Operation: 65-35=30 Exploring Operation: 35+65=100, Resulting Numbers: [78, 100] Generated Node #0,0,4: 42:[78, 100] Operation: 35+65=100 Moving to Node #0,0,1 Current State: 42:[35, 13], Operations: ['89-24=65', '78-65=13'] Exploring Operation: 35+13=48, Resulting Numbers: [48] 48,42 unequal: No Solution Exploring Operation: 35*13=455, Resulting Numbers: [455] 455,42 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,42 unequal: No Solution Moving to Node #0,0,2 Current State: 42:[65, 43], Operations: ['89-24=65', '78-35=43'] Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,42 unequal: No Solution Exploring Operation: 65+43=108, Resulting Numbers: [108] 108,42 unequal: No Solution Exploring Operation: 65*43=2795, Resulting Numbers: [2795] 2795,42 unequal: No Solution Moving to Node #0,0,3 Current State: 42:[78, 30], Operations: ['89-24=65', '65-35=30'] Exploring Operation: 78-30=48, Resulting Numbers: [48] 48,42 unequal: No Solution Exploring Operation: 78*30=2340, Resulting Numbers: [2340] 2340,42 unequal: No Solution Exploring Operation: 78+30=108, Resulting Numbers: [108] 108,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[65, 113], Operations: ['89-24=65', '78+35=113'] Exploring Operation: 65+113=178, Resulting Numbers: [178] 178,42 unequal: No Solution Exploring Operation: 65*113=7345, Resulting Numbers: [7345] 7345,42 unequal: No Solution Exploring Operation: 113-65=48, Resulting Numbers: [48] 48,42 unequal: No Solution Moving to Node #0,0,4 Current State: 42:[78, 100], Operations: ['89-24=65', '35+65=100'] Exploring Operation: 78+100=178, Resulting Numbers: [178] 178,42 unequal: No Solution Exploring Operation: 78*100=7800, Resulting Numbers: [7800] 7800,42 unequal: No Solution Exploring Operation: 100-78=22, Resulting Numbers: [22] 22,42 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 Current State: 42:[89, 35, 54], Operations: ['78-24=54'] Exploring Operation: 35+54=89, Resulting Numbers: [89, 89] Generated Node #0,3,0: 42:[89, 89] Operation: 35+54=89 Exploring Operation: 89-35=54, Resulting Numbers: [54, 54] Generated Node #0,3,1: 42:[54, 54] Operation: 89-35=54 Exploring Operation: 54-35=19, Resulting Numbers: [89, 19] Generated Node #0,3,2: 42:[89, 19] Operation: 54-35=19 Exploring Operation: 89+35=124, Resulting Numbers: [54, 124] Generated Node #0,3,3: 42:[54, 124] Operation: 89+35=124 Exploring Operation: 89-54=35, Resulting Numbers: [35, 35] Generated Node #0,3,4: 42:[35, 35] Operation: 89-54=35 Moving to Node #0,3,4 Current State: 42:[35, 35], Operations: ['78-24=54', '89-54=35'] Exploring Operation: 35+35=70, Resulting Numbers: [70] 70,42 unequal: No Solution Exploring Operation: 35*35=1225, Resulting Numbers: [1225] 1225,42 unequal: No Solution Exploring Operation: 35-35=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 35/35=1, Resulting Numbers: [1] 1,42 unequal: No Solution Moving to Node #0,3,1 Current State: 42:[54, 54], Operations: ['78-24=54', '89-35=54'] Exploring Operation: 54-54=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 54+54=108, Resulting Numbers: [108] 108,42 unequal: No Solution Exploring Operation: 54/54=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 54*54=2916, Resulting Numbers: [2916] 2916,42 unequal: No Solution Moving to Node #0,3,2 Current State: 42:[89, 19], Operations: ['78-24=54', '54-35=19'] Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,42 unequal: No Solution Exploring Operation: 89+19=108, Resulting Numbers: [108] 108,42 unequal: No Solution Exploring Operation: 89*19=1691, Resulting Numbers: [1691] 1691,42 unequal: No Solution Moving to Node #0,3,0 Current State: 42:[89, 89], Operations: ['78-24=54', '35+54=89'] Exploring Operation: 89-89=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 89/89=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 89*89=7921, Resulting Numbers: [7921] 7921,42 unequal: No Solution Exploring Operation: 89+89=178, Resulting Numbers: [178] 178,42 unequal: No Solution Moving to Node #0,3,3 Current State: 42:[54, 124], Operations: ['78-24=54', '89+35=124'] Exploring Operation: 54*124=6696, Resulting Numbers: [6696] 6696,42 unequal: No Solution Exploring Operation: 54+124=178, Resulting Numbers: [178] 178,42 unequal: No Solution Exploring Operation: 124-54=70, Resulting Numbers: [70] 70,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 22, 77, 11, 93 ]
85
[ "22/11=2", "77+93=170", "170/2=85" ]
Current State: 85:[22, 77, 11, 93], Operations: [] Exploring Operation: 22/11=2, Resulting Numbers: [77, 93, 2] Generated Node #2: [77, 93, 2] from Operation: 22/11=2 Current State: 85:[77, 93, 2], Operations: ['22/11=2'] Exploring Operation: 77+93=170, Resulting Numbers: [2, 170] Generated Node #3: [2, 170] from Operation: 77+93=170 Current State: 85:[2, 170], Operations: ['22/11=2', '77+93=170'] Exploring Operation: 170/2=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[22, 77, 11, 93], Operations: [] Exploring Operation: 77/11=7, Resulting Numbers: [22, 93, 7] Generated Node #0,0: 85:[22, 93, 7] Operation: 77/11=7 Exploring Operation: 93-77=16, Resulting Numbers: [22, 11, 16] Generated Node #0,1: 85:[22, 11, 16] Operation: 93-77=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[22, 11, 16], Operations: ['93-77=16'] Exploring Operation: 22/11=2, Resulting Numbers: [16, 2] Generated Node #0,1,0: 85:[16, 2] Operation: 22/11=2 Exploring Operation: 16-11=5, Resulting Numbers: [22, 5] Generated Node #0,1,1: 85:[22, 5] Operation: 16-11=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 85:[16, 2], Operations: ['93-77=16', '22/11=2'] Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 85:[22, 5], Operations: ['93-77=16', '16-11=5'] Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,85 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[22, 93, 7], Operations: ['77/11=7'] Exploring Operation: 93-7=86, Resulting Numbers: [22, 86] Generated Node #0,0,0: 85:[22, 86] Operation: 93-7=86 Exploring Operation: 22-7=15, Resulting Numbers: [93, 15] Generated Node #0,0,1: 85:[93, 15] Operation: 22-7=15 Moving to Node #0,0,0 Current State: 85:[22, 86], Operations: ['77/11=7', '93-7=86'] Exploring Operation: 22+86=108, Resulting Numbers: [108] 108,85 unequal: No Solution Exploring Operation: 86-22=64, Resulting Numbers: [64] 64,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[93, 15], Operations: ['77/11=7', '22-7=15'] Exploring Operation: 93+15=108, Resulting Numbers: [108] 108,85 unequal: No Solution Exploring Operation: 93-15=78, Resulting Numbers: [78] 78,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 37, 37, 73, 19 ]
54
[ "37-37=0", "73-19=54", "0+54=54" ]
Current State: 54:[37, 37, 73, 19], Operations: [] Exploring Operation: 37-37=0, Resulting Numbers: [73, 19, 0] Generated Node #2: [73, 19, 0] from Operation: 37-37=0 Current State: 54:[73, 19, 0], Operations: ['37-37=0'] Exploring Operation: 73-19=54, Resulting Numbers: [0, 54] Generated Node #3: [0, 54] from Operation: 73-19=54 Current State: 54:[0, 54], Operations: ['37-37=0', '73-19=54'] Exploring Operation: 0+54=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[37, 37, 73, 19], Operations: [] Exploring Operation: 73-19=54, Resulting Numbers: [37, 37, 54] Generated Node #0,0: 54:[37, 37, 54] Operation: 73-19=54 Exploring Operation: 73-37=36, Resulting Numbers: [37, 19, 36] Generated Node #0,1: 54:[37, 19, 36] Operation: 73-37=36 Exploring Operation: 73-37=36, Resulting Numbers: [37, 19, 36] Generated Node #0,2: 54:[37, 19, 36] Operation: 73-37=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[37, 37, 54], Operations: ['73-19=54'] Exploring Operation: 37/37=1, Resulting Numbers: [54, 1] Generated Node #0,0,0: 54:[54, 1] Operation: 37/37=1 Exploring Operation: 54-37=17, Resulting Numbers: [37, 17] Generated Node #0,0,1: 54:[37, 17] Operation: 54-37=17 Exploring Operation: 37-37=0, Resulting Numbers: [54, 0] Generated Node #0,0,2: 54:[54, 0] Operation: 37-37=0 Moving to Node #0,0,0 Current State: 54:[54, 1], Operations: ['73-19=54', '37/37=1'] Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[37, 37, 73, 19], Operations: [] Exploring Operation: 73-19=54, Resulting Numbers: [37, 37, 54] Generated Node #0,0: 54:[37, 37, 54] Operation: 73-19=54 Moving to Node #0,0 Current State: 54:[37, 37, 54], Operations: ['73-19=54'] Exploring Operation: 37/37=1, Resulting Numbers: [54, 1] Generated Node #0,0,0: 54:[54, 1] Operation: 37/37=1 Moving to Node #0,0,0 Current State: 54:[54, 1], Operations: ['73-19=54', '37/37=1'] Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 21, 50, 75, 78 ]
38
[ "78-21=57", "50*57=2850", "2850/75=38" ]
Current State: 38:[21, 50, 75, 78], Operations: [] Exploring Operation: 78-21=57, Resulting Numbers: [50, 75, 57] Generated Node #2: [50, 75, 57] from Operation: 78-21=57 Current State: 38:[50, 75, 57], Operations: ['78-21=57'] Exploring Operation: 50*57=2850, Resulting Numbers: [75, 2850] Generated Node #3: [75, 2850] from Operation: 50*57=2850 Current State: 38:[75, 2850], Operations: ['78-21=57', '50*57=2850'] Exploring Operation: 2850/75=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[21, 50, 75, 78], Operations: [] Exploring Operation: 75-50=25, Resulting Numbers: [21, 78, 25] Generated Node #0,0: 38:[21, 78, 25] Operation: 75-50=25 Exploring Operation: 78-75=3, Resulting Numbers: [21, 50, 3] Generated Node #0,1: 38:[21, 50, 3] Operation: 78-75=3 Exploring Operation: 78-50=28, Resulting Numbers: [21, 75, 28] Generated Node #0,2: 38:[21, 75, 28] Operation: 78-50=28 Exploring Operation: 78-21=57, Resulting Numbers: [50, 75, 57] Generated Node #0,3: 38:[50, 75, 57] Operation: 78-21=57 Exploring Operation: 75-21=54, Resulting Numbers: [50, 78, 54] Generated Node #0,4: 38:[50, 78, 54] Operation: 75-21=54 Moving to Node #0,1 Current State: 38:[21, 50, 3], Operations: ['78-75=3'] Exploring Operation: 50-3=47, Resulting Numbers: [21, 47] Generated Node #0,1,0: 38:[21, 47] Operation: 50-3=47 Exploring Operation: 50-21=29, Resulting Numbers: [3, 29] Generated Node #0,1,1: 38:[3, 29] Operation: 50-21=29 Exploring Operation: 21-3=18, Resulting Numbers: [50, 18] Generated Node #0,1,2: 38:[50, 18] Operation: 21-3=18 Exploring Operation: 21/3=7, Resulting Numbers: [50, 7] Generated Node #0,1,3: 38:[50, 7] Operation: 21/3=7 Exploring Operation: 21+3=24, Resulting Numbers: [50, 24] Generated Node #0,1,4: 38:[50, 24] Operation: 21+3=24 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 38:[3, 29], Operations: ['78-75=3', '50-21=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,38 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,38 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 38:[21, 47], Operations: ['78-75=3', '50-3=47'] Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,38 unequal: No Solution Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 38:[50, 18], Operations: ['78-75=3', '21-3=18'] Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 50+18=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 50*18=900, Resulting Numbers: [900] 900,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 38:[50, 7], Operations: ['78-75=3', '21/3=7'] Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,38 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,38 unequal: No Solution Exploring Operation: 50*7=350, Resulting Numbers: [350] 350,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 38:[50, 24], Operations: ['78-75=3', '21+3=24'] Exploring Operation: 50*24=1200, Resulting Numbers: [1200] 1200,38 unequal: No Solution Exploring Operation: 50+24=74, Resulting Numbers: [74] 74,38 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,38 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: 38:[21, 75, 28], Operations: ['78-50=28'] Exploring Operation: 21+75=96, Resulting Numbers: [28, 96] Generated Node #0,2,0: 38:[28, 96] Operation: 21+75=96 Exploring Operation: 21+28=49, Resulting Numbers: [75, 49] Generated Node #0,2,1: 38:[75, 49] Operation: 21+28=49 Exploring Operation: 75-21=54, Resulting Numbers: [28, 54] Generated Node #0,2,2: 38:[28, 54] Operation: 75-21=54 Exploring Operation: 28-21=7, Resulting Numbers: [75, 7] Generated Node #0,2,3: 38:[75, 7] Operation: 28-21=7 Exploring Operation: 75-28=47, Resulting Numbers: [21, 47] Generated Node #0,2,4: 38:[21, 47] Operation: 75-28=47 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 38:[21, 47], Operations: ['78-50=28', '75-28=47'] Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,38 unequal: No Solution Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 38:[28, 54], Operations: ['78-50=28', '75-21=54'] Exploring Operation: 28+54=82, Resulting Numbers: [82] 82,38 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,38 unequal: No Solution Exploring Operation: 28*54=1512, Resulting Numbers: [1512] 1512,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 38:[75, 7], Operations: ['78-50=28', '28-21=7'] Exploring Operation: 75+7=82, Resulting Numbers: [82] 82,38 unequal: No Solution Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 75*7=525, Resulting Numbers: [525] 525,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 38:[75, 49], Operations: ['78-50=28', '21+28=49'] Exploring Operation: 75*49=3675, Resulting Numbers: [3675] 3675,38 unequal: No Solution Exploring Operation: 75+49=124, Resulting Numbers: [124] 124,38 unequal: No Solution Exploring Operation: 75-49=26, Resulting Numbers: [26] 26,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 38:[28, 96], Operations: ['78-50=28', '21+75=96'] Exploring Operation: 28+96=124, Resulting Numbers: [124] 124,38 unequal: No Solution Exploring Operation: 96-28=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 28*96=2688, Resulting Numbers: [2688] 2688,38 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: 38:[21, 78, 25], Operations: ['75-50=25'] Exploring Operation: 78-25=53, Resulting Numbers: [21, 53] Generated Node #0,0,0: 38:[21, 53] Operation: 78-25=53 Exploring Operation: 25-21=4, Resulting Numbers: [78, 4] Generated Node #0,0,1: 38:[78, 4] Operation: 25-21=4 Exploring Operation: 21+78=99, Resulting Numbers: [25, 99] Generated Node #0,0,2: 38:[25, 99] Operation: 21+78=99 Exploring Operation: 78-21=57, Resulting Numbers: [25, 57] Generated Node #0,0,3: 38:[25, 57] Operation: 78-21=57 Exploring Operation: 21+25=46, Resulting Numbers: [78, 46] Generated Node #0,0,4: 38:[78, 46] Operation: 21+25=46 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[21, 53], Operations: ['75-50=25', '78-25=53'] Exploring Operation: 21+53=74, Resulting Numbers: [74] 74,38 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 21*53=1113, Resulting Numbers: [1113] 1113,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 38:[25, 57], Operations: ['75-50=25', '78-21=57'] Exploring Operation: 25*57=1425, Resulting Numbers: [1425] 1425,38 unequal: No Solution Exploring Operation: 25+57=82, Resulting Numbers: [82] 82,38 unequal: No Solution Exploring Operation: 57-25=32, Resulting Numbers: [32] 32,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[78, 4], Operations: ['75-50=25', '25-21=4'] Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,38 unequal: No Solution Exploring Operation: 78*4=312, Resulting Numbers: [312] 312,38 unequal: No Solution Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 38:[78, 46], Operations: ['75-50=25', '21+25=46'] Exploring Operation: 78+46=124, Resulting Numbers: [124] 124,38 unequal: No Solution Exploring Operation: 78*46=3588, Resulting Numbers: [3588] 3588,38 unequal: No Solution Exploring Operation: 78-46=32, Resulting Numbers: [32] 32,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 38:[25, 99], Operations: ['75-50=25', '21+78=99'] Exploring Operation: 25*99=2475, Resulting Numbers: [2475] 2475,38 unequal: No Solution Exploring Operation: 25+99=124, Resulting Numbers: [124] 124,38 unequal: No Solution Exploring Operation: 99-25=74, Resulting Numbers: [74] 74,38 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: 38:[50, 75, 57], Operations: ['78-21=57'] Exploring Operation: 57-50=7, Resulting Numbers: [75, 7] Generated Node #0,3,0: 38:[75, 7] Operation: 57-50=7 Exploring Operation: 50+57=107, Resulting Numbers: [75, 107] Generated Node #0,3,1: 38:[75, 107] Operation: 50+57=107 Exploring Operation: 75-57=18, Resulting Numbers: [50, 18] Generated Node #0,3,2: 38:[50, 18] Operation: 75-57=18 Exploring Operation: 75-50=25, Resulting Numbers: [57, 25] Generated Node #0,3,3: 38:[57, 25] Operation: 75-50=25 Exploring Operation: 50+75=125, Resulting Numbers: [57, 125] Generated Node #0,3,4: 38:[57, 125] Operation: 50+75=125 Moving to Node #0,4 Current State: 38:[50, 78, 54], Operations: ['75-21=54'] Exploring Operation: 50+54=104, Resulting Numbers: [78, 104] Generated Node #0,4,0: 38:[78, 104] Operation: 50+54=104 Exploring Operation: 50+78=128, Resulting Numbers: [54, 128] Generated Node #0,4,1: 38:[54, 128] Operation: 50+78=128 Exploring Operation: 54-50=4, Resulting Numbers: [78, 4] Generated Node #0,4,2: 38:[78, 4] Operation: 54-50=4 Exploring Operation: 78-50=28, Resulting Numbers: [54, 28] Generated Node #0,4,3: 38:[54, 28] Operation: 78-50=28 Exploring Operation: 78-54=24, Resulting Numbers: [50, 24] Generated Node #0,4,4: 38:[50, 24] Operation: 78-54=24 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 38:[50, 24], Operations: ['75-21=54', '78-54=24'] Exploring Operation: 50+24=74, Resulting Numbers: [74] 74,38 unequal: No Solution Exploring Operation: 50*24=1200, Resulting Numbers: [1200] 1200,38 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 38:[54, 28], Operations: ['75-21=54', '78-50=28'] Exploring Operation: 54*28=1512, Resulting Numbers: [1512] 1512,38 unequal: No Solution Exploring Operation: 54+28=82, Resulting Numbers: [82] 82,38 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 38:[78, 4], Operations: ['75-21=54', '54-50=4'] Exploring Operation: 78*4=312, Resulting Numbers: [312] 312,38 unequal: No Solution Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,38 unequal: No Solution Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 38:[78, 104], Operations: ['75-21=54', '50+54=104'] Exploring Operation: 78+104=182, Resulting Numbers: [182] 182,38 unequal: No Solution Exploring Operation: 104-78=26, Resulting Numbers: [26] 26,38 unequal: No Solution Exploring Operation: 78*104=8112, Resulting Numbers: [8112] 8112,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 38:[54, 128], Operations: ['75-21=54', '50+78=128'] Exploring Operation: 128-54=74, Resulting Numbers: [74] 74,38 unequal: No Solution Exploring Operation: 54+128=182, Resulting Numbers: [182] 182,38 unequal: No Solution Exploring Operation: 54*128=6912, Resulting Numbers: [6912] 6912,38 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: 38:[50, 18], Operations: ['78-21=57', '75-57=18'] Exploring Operation: 50*18=900, Resulting Numbers: [900] 900,38 unequal: No Solution Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 50+18=68, Resulting Numbers: [68] 68,38 unequal: No Solution Moving to Node #0,3,3 Current State: 38:[57, 25], Operations: ['78-21=57', '75-50=25'] Exploring Operation: 57-25=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 57+25=82, Resulting Numbers: [82] 82,38 unequal: No Solution Exploring Operation: 57*25=1425, Resulting Numbers: [1425] 1425,38 unequal: No Solution Moving to Node #0,3,0 Current State: 38:[75, 7], Operations: ['78-21=57', '57-50=7'] Exploring Operation: 75+7=82, Resulting Numbers: [82] 82,38 unequal: No Solution Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 75*7=525, Resulting Numbers: [525] 525,38 unequal: No Solution Moving to Node #0,3,1 Current State: 38:[75, 107], Operations: ['78-21=57', '50+57=107'] Exploring Operation: 107-75=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 75+107=182, Resulting Numbers: [182] 182,38 unequal: No Solution Exploring Operation: 75*107=8025, Resulting Numbers: [8025] 8025,38 unequal: No Solution Moving to Node #0,3,4 Current State: 38:[57, 125], Operations: ['78-21=57', '50+75=125'] Exploring Operation: 57*125=7125, Resulting Numbers: [7125] 7125,38 unequal: No Solution Exploring Operation: 125-57=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 57+125=182, Resulting Numbers: [182] 182,38 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 61, 4, 58, 75 ]
68
[ "61+4=65", "58+75=133", "133-65=68" ]
Current State: 68:[61, 4, 58, 75], Operations: [] Exploring Operation: 61+4=65, Resulting Numbers: [58, 75, 65] Generated Node #2: [58, 75, 65] from Operation: 61+4=65 Current State: 68:[58, 75, 65], Operations: ['61+4=65'] Exploring Operation: 58+75=133, Resulting Numbers: [65, 133] Generated Node #3: [65, 133] from Operation: 58+75=133 Current State: 68:[65, 133], Operations: ['61+4=65', '58+75=133'] Exploring Operation: 133-65=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[61, 4, 58, 75], Operations: [] Exploring Operation: 75-61=14, Resulting Numbers: [4, 58, 14] Generated Node #0,0: 68:[4, 58, 14] Operation: 75-61=14 Exploring Operation: 61-58=3, Resulting Numbers: [4, 75, 3] Generated Node #0,1: 68:[4, 75, 3] Operation: 61-58=3 Exploring Operation: 75-58=17, Resulting Numbers: [61, 4, 17] Generated Node #0,2: 68:[61, 4, 17] Operation: 75-58=17 Moving to Node #0,2 Current State: 68:[61, 4, 17], Operations: ['75-58=17'] Exploring Operation: 4*17=68, Resulting Numbers: [61, 68] Generated Node #0,2,0: 68:[61, 68] Operation: 4*17=68 Exploring Operation: 61+4=65, Resulting Numbers: [17, 65] Generated Node #0,2,1: 68:[17, 65] Operation: 61+4=65 Exploring Operation: 61+17=78, Resulting Numbers: [4, 78] Generated Node #0,2,2: 68:[4, 78] Operation: 61+17=78 Moving to Node #0,1 Current State: 68:[4, 75, 3], Operations: ['61-58=3'] Exploring Operation: 75-3=72, Resulting Numbers: [4, 72] Generated Node #0,1,0: 68:[4, 72] Operation: 75-3=72 Exploring Operation: 75-4=71, Resulting Numbers: [3, 71] Generated Node #0,1,1: 68:[3, 71] Operation: 75-4=71 Exploring Operation: 4-3=1, Resulting Numbers: [75, 1] Generated Node #0,1,2: 68:[75, 1] Operation: 4-3=1 Moving to Node #0,0 Current State: 68:[4, 58, 14], Operations: ['75-61=14'] Exploring Operation: 58-14=44, Resulting Numbers: [4, 44] Generated Node #0,0,0: 68:[4, 44] Operation: 58-14=44 Exploring Operation: 4+58=62, Resulting Numbers: [14, 62] Generated Node #0,0,1: 68:[14, 62] Operation: 4+58=62 Exploring Operation: 58+14=72, Resulting Numbers: [4, 72] Generated Node #0,0,2: 68:[4, 72] Operation: 58+14=72 Moving to Node #0,2,1 Current State: 68:[17, 65], Operations: ['75-58=17', '61+4=65'] Exploring Operation: 17+65=82, Resulting Numbers: [82] 82,68 unequal: No Solution Exploring Operation: 17*65=1105, Resulting Numbers: [1105] 1105,68 unequal: No Solution Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[4, 72], Operations: ['75-61=14', '58+14=72'] Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 4+72=76, Resulting Numbers: [76] 76,68 unequal: No Solution Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[61, 4, 58, 75], Operations: [] Exploring Operation: 75-61=14, Resulting Numbers: [4, 58, 14] Generated Node #0,0: 68:[4, 58, 14] Operation: 75-61=14 Moving to Node #0,0 Current State: 68:[4, 58, 14], Operations: ['75-61=14'] Exploring Operation: 58+14=72, Resulting Numbers: [4, 72] Generated Node #0,0,2: 68:[4, 72] Operation: 58+14=72 Moving to Node #0,0,2 Current State: 68:[4, 72], Operations: ['75-61=14', '58+14=72'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.980903
hs_3
mult_heuristic
[ 48, 14, 19, 3 ]
71
[ "48-19=29", "14*3=42", "29+42=71" ]
Current State: 71:[48, 14, 19, 3], Operations: [] Exploring Operation: 48-19=29, Resulting Numbers: [14, 3, 29] Generated Node #2: [14, 3, 29] from Operation: 48-19=29 Current State: 71:[14, 3, 29], Operations: ['48-19=29'] Exploring Operation: 14*3=42, Resulting Numbers: [29, 42] Generated Node #3: [29, 42] from Operation: 14*3=42 Current State: 71:[29, 42], Operations: ['48-19=29', '14*3=42'] Exploring Operation: 29+42=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[48, 14, 19, 3], Operations: [] Exploring Operation: 19*3=57, Resulting Numbers: [48, 14, 57] Generated Node #0,0: 71:[48, 14, 57] Operation: 19*3=57 Exploring Operation: 48+14=62, Resulting Numbers: [19, 3, 62] Generated Node #0,1: 71:[19, 3, 62] Operation: 48+14=62 Exploring Operation: 48+3=51, Resulting Numbers: [14, 19, 51] Generated Node #0,2: 71:[14, 19, 51] Operation: 48+3=51 Exploring Operation: 48+19=67, Resulting Numbers: [14, 3, 67] Generated Node #0,3: 71:[14, 3, 67] Operation: 48+19=67 Exploring Operation: 14*3=42, Resulting Numbers: [48, 19, 42] Generated Node #0,4: 71:[48, 19, 42] Operation: 14*3=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[48, 14, 57], Operations: ['19*3=57'] Exploring Operation: 57-14=43, Resulting Numbers: [48, 43] Generated Node #0,0,0: 71:[48, 43] Operation: 57-14=43 Exploring Operation: 48+14=62, Resulting Numbers: [57, 62] Generated Node #0,0,1: 71:[57, 62] Operation: 48+14=62 Exploring Operation: 48-14=34, Resulting Numbers: [57, 34] Generated Node #0,0,2: 71:[57, 34] Operation: 48-14=34 Exploring Operation: 48+57=105, Resulting Numbers: [14, 105] Generated Node #0,0,3: 71:[14, 105] Operation: 48+57=105 Exploring Operation: 14+57=71, Resulting Numbers: [48, 71] Generated Node #0,0,4: 71:[48, 71] Operation: 14+57=71 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[57, 62], Operations: ['19*3=57', '48+14=62'] Exploring Operation: 57+62=119, Resulting Numbers: [119] 119,71 unequal: No Solution Exploring Operation: 62-57=5, Resulting Numbers: [5] 5,71 unequal: No Solution Exploring Operation: 57*62=3534, Resulting Numbers: [3534] 3534,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 71:[48, 71], Operations: ['19*3=57', '14+57=71'] Exploring Operation: 48+71=119, Resulting Numbers: [119] 119,71 unequal: No Solution Exploring Operation: 48*71=3408, Resulting Numbers: [3408] 3408,71 unequal: No Solution Exploring Operation: 71-48=23, Resulting Numbers: [23] 23,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[48, 43], Operations: ['19*3=57', '57-14=43'] Exploring Operation: 48*43=2064, Resulting Numbers: [2064] 2064,71 unequal: No Solution Exploring Operation: 48+43=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[57, 34], Operations: ['19*3=57', '48-14=34'] Exploring Operation: 57+34=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 57-34=23, Resulting Numbers: [23] 23,71 unequal: No Solution Exploring Operation: 57*34=1938, Resulting Numbers: [1938] 1938,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 71:[14, 105], Operations: ['19*3=57', '48+57=105'] Exploring Operation: 105-14=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 14+105=119, Resulting Numbers: [119] 119,71 unequal: No Solution Exploring Operation: 14*105=1470, Resulting Numbers: [1470] 1470,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 71:[48, 19, 42], Operations: ['14*3=42'] Exploring Operation: 48-19=29, Resulting Numbers: [42, 29] Generated Node #0,4,0: 71:[42, 29] Operation: 48-19=29 Exploring Operation: 48+42=90, Resulting Numbers: [19, 90] Generated Node #0,4,1: 71:[19, 90] Operation: 48+42=90 Exploring Operation: 19+42=61, Resulting Numbers: [48, 61] Generated Node #0,4,2: 71:[48, 61] Operation: 19+42=61 Exploring Operation: 42-19=23, Resulting Numbers: [48, 23] Generated Node #0,4,3: 71:[48, 23] Operation: 42-19=23 Exploring Operation: 48+19=67, Resulting Numbers: [42, 67] Generated Node #0,4,4: 71:[42, 67] Operation: 48+19=67 Moving to Node #0,4,2 Current State: 71:[48, 61], Operations: ['14*3=42', '19+42=61'] Exploring Operation: 48+61=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 48*61=2928, Resulting Numbers: [2928] 2928,71 unequal: No Solution Moving to Node #0,4,4 Current State: 71:[42, 67], Operations: ['14*3=42', '48+19=67'] Exploring Operation: 67-42=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 42*67=2814, Resulting Numbers: [2814] 2814,71 unequal: No Solution Exploring Operation: 42+67=109, Resulting Numbers: [109] 109,71 unequal: No Solution Moving to Node #0,4,0 Current State: 71:[42, 29], Operations: ['14*3=42', '48-19=29'] Exploring Operation: 42-29=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 42+29=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[48, 14, 19, 3], Operations: [] Exploring Operation: 14*3=42, Resulting Numbers: [48, 19, 42] Generated Node #0,4: 71:[48, 19, 42] Operation: 14*3=42 Moving to Node #0,4 Current State: 71:[48, 19, 42], Operations: ['14*3=42'] Exploring Operation: 48-19=29, Resulting Numbers: [42, 29] Generated Node #0,4,0: 71:[42, 29] Operation: 48-19=29 Moving to Node #0,4,0 Current State: 71:[42, 29], Operations: ['14*3=42', '48-19=29'] Exploring Operation: 42+29=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
sum_heuristic
[ 92, 42, 73, 67 ]
99
[ "73-67=6", "42/6=7", "92+7=99" ]
Current State: 99:[92, 42, 73, 67], Operations: [] Exploring Operation: 73-67=6, Resulting Numbers: [92, 42, 6] Generated Node #2: [92, 42, 6] from Operation: 73-67=6 Current State: 99:[92, 42, 6], Operations: ['73-67=6'] Exploring Operation: 42/6=7, Resulting Numbers: [92, 7] Generated Node #3: [92, 7] from Operation: 42/6=7 Current State: 99:[92, 7], Operations: ['73-67=6', '42/6=7'] Exploring Operation: 92+7=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[92, 42, 73, 67], Operations: [] Exploring Operation: 73-42=31, Resulting Numbers: [92, 67, 31] Generated Node #0,0: 99:[92, 67, 31] Operation: 73-42=31 Exploring Operation: 73-67=6, Resulting Numbers: [92, 42, 6] Generated Node #0,1: 99:[92, 42, 6] Operation: 73-67=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[92, 42, 6], Operations: ['73-67=6'] Exploring Operation: 92+6=98, Resulting Numbers: [42, 98] Generated Node #0,1,0: 99:[42, 98] Operation: 92+6=98 Exploring Operation: 42/6=7, Resulting Numbers: [92, 7] Generated Node #0,1,1: 99:[92, 7] Operation: 42/6=7 Moving to Node #0,1,1 Current State: 99:[92, 7], Operations: ['73-67=6', '42/6=7'] Exploring Operation: 92+7=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[92, 42, 73, 67], Operations: [] Exploring Operation: 73-67=6, Resulting Numbers: [92, 42, 6] Generated Node #0,1: 99:[92, 42, 6] Operation: 73-67=6 Moving to Node #0,1 Current State: 99:[92, 42, 6], Operations: ['73-67=6'] Exploring Operation: 42/6=7, Resulting Numbers: [92, 7] Generated Node #0,1,1: 99:[92, 7] Operation: 42/6=7 Moving to Node #0,1,1 Current State: 99:[92, 7], Operations: ['73-67=6', '42/6=7'] Exploring Operation: 92+7=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 41, 99, 5, 8 ]
54
[ "99+5=104", "104/8=13", "41+13=54" ]
Current State: 54:[41, 99, 5, 8], Operations: [] Exploring Operation: 99+5=104, Resulting Numbers: [41, 8, 104] Generated Node #2: [41, 8, 104] from Operation: 99+5=104 Current State: 54:[41, 8, 104], Operations: ['99+5=104'] Exploring Operation: 104/8=13, Resulting Numbers: [41, 13] Generated Node #3: [41, 13] from Operation: 104/8=13 Current State: 54:[41, 13], Operations: ['99+5=104', '104/8=13'] Exploring Operation: 41+13=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[41, 99, 5, 8], Operations: [] Exploring Operation: 41+8=49, Resulting Numbers: [99, 5, 49] Generated Node #0,0: 54:[99, 5, 49] Operation: 41+8=49 Exploring Operation: 99-41=58, Resulting Numbers: [5, 8, 58] Generated Node #0,1: 54:[5, 8, 58] Operation: 99-41=58 Exploring Operation: 41-8=33, Resulting Numbers: [99, 5, 33] Generated Node #0,2: 54:[99, 5, 33] Operation: 41-8=33 Exploring Operation: 99-8=91, Resulting Numbers: [41, 5, 91] Generated Node #0,3: 54:[41, 5, 91] Operation: 99-8=91 Moving to Node #0,1 Current State: 54:[5, 8, 58], Operations: ['99-41=58'] Exploring Operation: 8-5=3, Resulting Numbers: [58, 3] Generated Node #0,1,0: 54:[58, 3] Operation: 8-5=3 Exploring Operation: 58-8=50, Resulting Numbers: [5, 50] Generated Node #0,1,1: 54:[5, 50] Operation: 58-8=50 Exploring Operation: 58-5=53, Resulting Numbers: [8, 53] Generated Node #0,1,2: 54:[8, 53] Operation: 58-5=53 Exploring Operation: 5+8=13, Resulting Numbers: [58, 13] Generated Node #0,1,3: 54:[58, 13] Operation: 5+8=13 Moving to Node #0,3 Current State: 54:[41, 5, 91], Operations: ['99-8=91'] Exploring Operation: 41+5=46, Resulting Numbers: [91, 46] Generated Node #0,3,0: 54:[91, 46] Operation: 41+5=46 Exploring Operation: 91-5=86, Resulting Numbers: [41, 86] Generated Node #0,3,1: 54:[41, 86] Operation: 91-5=86 Exploring Operation: 41-5=36, Resulting Numbers: [91, 36] Generated Node #0,3,2: 54:[91, 36] Operation: 41-5=36 Exploring Operation: 91-41=50, Resulting Numbers: [5, 50] Generated Node #0,3,3: 54:[5, 50] Operation: 91-41=50 Moving to Node #0,0 Current State: 54:[99, 5, 49], Operations: ['41+8=49'] Exploring Operation: 99-49=50, Resulting Numbers: [5, 50] Generated Node #0,0,0: 54:[5, 50] Operation: 99-49=50 Exploring Operation: 99+5=104, Resulting Numbers: [49, 104] Generated Node #0,0,1: 54:[49, 104] Operation: 99+5=104 Exploring Operation: 99-5=94, Resulting Numbers: [49, 94] Generated Node #0,0,2: 54:[49, 94] Operation: 99-5=94 Exploring Operation: 5+49=54, Resulting Numbers: [99, 54] Generated Node #0,0,3: 54:[99, 54] Operation: 5+49=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[5, 50], Operations: ['41+8=49', '99-49=50'] Exploring Operation: 5*50=250, Resulting Numbers: [250] 250,54 unequal: No Solution Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,54 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,54 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:[49, 94], Operations: ['41+8=49', '99-5=94'] Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,54 unequal: No Solution Exploring Operation: 49*94=4606, Resulting Numbers: [4606] 4606,54 unequal: No Solution Exploring Operation: 49+94=143, Resulting Numbers: [143] 143,54 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 #0,0,3 Current State: 54:[99, 54], Operations: ['41+8=49', '5+49=54'] Exploring Operation: 99*54=5346, Resulting Numbers: [5346] 5346,54 unequal: No Solution Exploring Operation: 99+54=153, Resulting Numbers: [153] 153,54 unequal: No Solution Exploring Operation: 99-54=45, Resulting Numbers: [45] 45,54 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:[49, 104], Operations: ['41+8=49', '99+5=104'] Exploring Operation: 49+104=153, Resulting Numbers: [153] 153,54 unequal: No Solution Exploring Operation: 49*104=5096, Resulting Numbers: [5096] 5096,54 unequal: No Solution Exploring Operation: 104-49=55, Resulting Numbers: [55] 55,54 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:[99, 5, 33], Operations: ['41-8=33'] Exploring Operation: 99-5=94, Resulting Numbers: [33, 94] Generated Node #0,2,0: 54:[33, 94] Operation: 99-5=94 Exploring Operation: 33-5=28, Resulting Numbers: [99, 28] Generated Node #0,2,1: 54:[99, 28] Operation: 33-5=28 Exploring Operation: 99/33=3, Resulting Numbers: [5, 3] Generated Node #0,2,2: 54:[5, 3] Operation: 99/33=3 Exploring Operation: 99-33=66, Resulting Numbers: [5, 66] Generated Node #0,2,3: 54:[5, 66] Operation: 99-33=66 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 54:[5, 3], Operations: ['41-8=33', '99/33=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,54 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:[5, 66], Operations: ['41-8=33', '99-33=66'] Exploring Operation: 5*66=330, Resulting Numbers: [330] 330,54 unequal: No Solution Exploring Operation: 5+66=71, Resulting Numbers: [71] 71,54 unequal: No Solution Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 54:[33, 94], Operations: ['41-8=33', '99-5=94'] Exploring Operation: 33*94=3102, Resulting Numbers: [3102] 3102,54 unequal: No Solution Exploring Operation: 33+94=127, Resulting Numbers: [127] 127,54 unequal: No Solution Exploring Operation: 94-33=61, Resulting Numbers: [61] 61,54 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:[99, 28], Operations: ['41-8=33', '33-5=28'] Exploring Operation: 99+28=127, Resulting Numbers: [127] 127,54 unequal: No Solution Exploring Operation: 99-28=71, Resulting Numbers: [71] 71,54 unequal: No Solution Exploring Operation: 99*28=2772, Resulting Numbers: [2772] 2772,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 54:[8, 53], Operations: ['99-41=58', '58-5=53'] Exploring Operation: 8+53=61, Resulting Numbers: [61] 61,54 unequal: No Solution Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,54 unequal: No Solution Exploring Operation: 8*53=424, Resulting Numbers: [424] 424,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[58, 3], Operations: ['99-41=58', '8-5=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,54 unequal: No Solution Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,54 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[5, 50], Operations: ['99-41=58', '58-8=50'] Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,54 unequal: No Solution Exploring Operation: 5*50=250, Resulting Numbers: [250] 250,54 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,54 unequal: No Solution Moving to Node #0,3,3 Current State: 54:[5, 50], Operations: ['99-8=91', '91-41=50'] Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,54 unequal: No Solution Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 5*50=250, Resulting Numbers: [250] 250,54 unequal: No Solution Moving to Node #0,1,3 Current State: 54:[58, 13], Operations: ['99-41=58', '5+8=13'] Exploring Operation: 58+13=71, Resulting Numbers: [71] 71,54 unequal: No Solution Exploring Operation: 58*13=754, Resulting Numbers: [754] 754,54 unequal: No Solution Exploring Operation: 58-13=45, Resulting Numbers: [45] 45,54 unequal: No Solution Moving to Node #0,3,0 Current State: 54:[91, 46], Operations: ['99-8=91', '41+5=46'] Exploring Operation: 91*46=4186, Resulting Numbers: [4186] 4186,54 unequal: No Solution Exploring Operation: 91-46=45, Resulting Numbers: [45] 45,54 unequal: No Solution Exploring Operation: 91+46=137, Resulting Numbers: [137] 137,54 unequal: No Solution Moving to Node #0,3,1 Current State: 54:[41, 86], Operations: ['99-8=91', '91-5=86'] Exploring Operation: 41*86=3526, Resulting Numbers: [3526] 3526,54 unequal: No Solution Exploring Operation: 86-41=45, Resulting Numbers: [45] 45,54 unequal: No Solution Exploring Operation: 41+86=127, Resulting Numbers: [127] 127,54 unequal: No Solution Moving to Node #0,3,2 Current State: 54:[91, 36], Operations: ['99-8=91', '41-5=36'] Exploring Operation: 91+36=127, Resulting Numbers: [127] 127,54 unequal: No Solution Exploring Operation: 91-36=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 91*36=3276, Resulting Numbers: [3276] 3276,54 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 44, 15, 61, 32 ]
88
[ "44+15=59", "61-32=29", "59+29=88" ]
Current State: 88:[44, 15, 61, 32], Operations: [] Exploring Operation: 44+15=59, Resulting Numbers: [61, 32, 59] Generated Node #2: [61, 32, 59] from Operation: 44+15=59 Current State: 88:[61, 32, 59], Operations: ['44+15=59'] Exploring Operation: 61-32=29, Resulting Numbers: [59, 29] Generated Node #3: [59, 29] from Operation: 61-32=29 Current State: 88:[59, 29], Operations: ['44+15=59', '61-32=29'] Exploring Operation: 59+29=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[44, 15, 61, 32], Operations: [] Exploring Operation: 61-15=46, Resulting Numbers: [44, 32, 46] Generated Node #0,0: 88:[44, 32, 46] Operation: 61-15=46 Exploring Operation: 61+32=93, Resulting Numbers: [44, 15, 93] Generated Node #0,1: 88:[44, 15, 93] Operation: 61+32=93 Exploring Operation: 61-32=29, Resulting Numbers: [44, 15, 29] Generated Node #0,2: 88:[44, 15, 29] Operation: 61-32=29 Moving to Node #0,1 Current State: 88:[44, 15, 93], Operations: ['61+32=93'] Exploring Operation: 93-15=78, Resulting Numbers: [44, 78] Generated Node #0,1,0: 88:[44, 78] Operation: 93-15=78 Exploring Operation: 44-15=29, Resulting Numbers: [93, 29] Generated Node #0,1,1: 88:[93, 29] Operation: 44-15=29 Exploring Operation: 93-44=49, Resulting Numbers: [15, 49] Generated Node #0,1,2: 88:[15, 49] Operation: 93-44=49 Moving to Node #0,2 Current State: 88:[44, 15, 29], Operations: ['61-32=29'] Exploring Operation: 29-15=14, Resulting Numbers: [44, 14] Generated Node #0,2,0: 88:[44, 14] Operation: 29-15=14 Exploring Operation: 15+29=44, Resulting Numbers: [44, 44] Generated Node #0,2,1: 88:[44, 44] Operation: 15+29=44 Exploring Operation: 44-29=15, Resulting Numbers: [15, 15] Generated Node #0,2,2: 88:[15, 15] Operation: 44-29=15 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[44, 44], Operations: ['61-32=29', '15+29=44'] Exploring Operation: 44-44=0, Resulting Numbers: [0] 0,88 unequal: No Solution Exploring Operation: 44+44=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[44, 15, 61, 32], Operations: [] Exploring Operation: 61-32=29, Resulting Numbers: [44, 15, 29] Generated Node #0,2: 88:[44, 15, 29] Operation: 61-32=29 Moving to Node #0,2 Current State: 88:[44, 15, 29], Operations: ['61-32=29'] Exploring Operation: 15+29=44, Resulting Numbers: [44, 44] Generated Node #0,2,1: 88:[44, 44] Operation: 15+29=44 Moving to Node #0,2,1 Current State: 88:[44, 44], Operations: ['61-32=29', '15+29=44'] Exploring Operation: 44+44=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 5, 90, 40, 46 ]
68
[ "90/5=18", "40+46=86", "86-18=68" ]
Current State: 68:[5, 90, 40, 46], Operations: [] Exploring Operation: 90/5=18, Resulting Numbers: [40, 46, 18] Generated Node #2: [40, 46, 18] from Operation: 90/5=18 Current State: 68:[40, 46, 18], Operations: ['90/5=18'] Exploring Operation: 40+46=86, Resulting Numbers: [18, 86] Generated Node #3: [18, 86] from Operation: 40+46=86 Current State: 68:[18, 86], Operations: ['90/5=18', '40+46=86'] Exploring Operation: 86-18=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[5, 90, 40, 46], Operations: [] Exploring Operation: 90/5=18, Resulting Numbers: [40, 46, 18] Generated Node #0,0: 68:[40, 46, 18] Operation: 90/5=18 Exploring Operation: 90-46=44, Resulting Numbers: [5, 40, 44] Generated Node #0,1: 68:[5, 40, 44] Operation: 90-46=44 Moving to Node #0,1 Current State: 68:[5, 40, 44], Operations: ['90-46=44'] Exploring Operation: 44-40=4, Resulting Numbers: [5, 4] Generated Node #0,1,0: 68:[5, 4] Operation: 44-40=4 Exploring Operation: 40-5=35, Resulting Numbers: [44, 35] Generated Node #0,1,1: 68:[44, 35] Operation: 40-5=35 Moving to Node #0,0 Current State: 68:[40, 46, 18], Operations: ['90/5=18'] Exploring Operation: 46-40=6, Resulting Numbers: [18, 6] Generated Node #0,0,0: 68:[18, 6] Operation: 46-40=6 Exploring Operation: 46+18=64, Resulting Numbers: [40, 64] Generated Node #0,0,1: 68:[40, 64] Operation: 46+18=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[18, 6], Operations: ['90/5=18', '46-40=6'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[40, 64], Operations: ['90/5=18', '46+18=64'] Exploring Operation: 40+64=104, Resulting Numbers: [104] 104,68 unequal: No Solution Exploring Operation: 64-40=24, Resulting Numbers: [24] 24,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 68:[5, 4], Operations: ['90-46=44', '44-40=4'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[44, 35], Operations: ['90-46=44', '40-5=35'] Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 44+35=79, Resulting Numbers: [79] 79,68 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 22, 13, 62, 25 ]
19
[ "13+62=75", "75/25=3", "22-3=19" ]
Current State: 19:[22, 13, 62, 25], Operations: [] Exploring Operation: 13+62=75, Resulting Numbers: [22, 25, 75] Generated Node #2: [22, 25, 75] from Operation: 13+62=75 Current State: 19:[22, 25, 75], Operations: ['13+62=75'] Exploring Operation: 75/25=3, Resulting Numbers: [22, 3] Generated Node #3: [22, 3] from Operation: 75/25=3 Current State: 19:[22, 3], Operations: ['13+62=75', '75/25=3'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[22, 13, 62, 25], Operations: [] Exploring Operation: 62-25=37, Resulting Numbers: [22, 13, 37] Generated Node #0,0: 19:[22, 13, 37] Operation: 62-25=37 Exploring Operation: 62-13=49, Resulting Numbers: [22, 25, 49] Generated Node #0,1: 19:[22, 25, 49] Operation: 62-13=49 Exploring Operation: 62-22=40, Resulting Numbers: [13, 25, 40] Generated Node #0,2: 19:[13, 25, 40] Operation: 62-22=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[22, 13, 37], Operations: ['62-25=37'] Exploring Operation: 22-13=9, Resulting Numbers: [37, 9] Generated Node #0,0,0: 19:[37, 9] Operation: 22-13=9 Exploring Operation: 37-13=24, Resulting Numbers: [22, 24] Generated Node #0,0,1: 19:[22, 24] Operation: 37-13=24 Exploring Operation: 37-22=15, Resulting Numbers: [13, 15] Generated Node #0,0,2: 19:[13, 15] Operation: 37-22=15 Moving to Node #0,0,1 Current State: 19:[22, 24], Operations: ['62-25=37', '37-13=24'] Exploring Operation: 22*24=528, Resulting Numbers: [528] 528,19 unequal: No Solution Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[13, 15], Operations: ['62-25=37', '37-22=15'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,19 unequal: No Solution Exploring Operation: 13*15=195, Resulting Numbers: [195] 195,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[37, 9], Operations: ['62-25=37', '22-13=9'] Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,19 unequal: No Solution Exploring Operation: 37+9=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 37*9=333, Resulting Numbers: [333] 333,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[13, 25, 40], Operations: ['62-22=40'] Exploring Operation: 40-13=27, Resulting Numbers: [25, 27] Generated Node #0,2,0: 19:[25, 27] Operation: 40-13=27 Exploring Operation: 25-13=12, Resulting Numbers: [40, 12] Generated Node #0,2,1: 19:[40, 12] Operation: 25-13=12 Exploring Operation: 40-25=15, Resulting Numbers: [13, 15] Generated Node #0,2,2: 19:[13, 15] Operation: 40-25=15 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 19:[13, 15], Operations: ['62-22=40', '40-25=15'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 13*15=195, Resulting Numbers: [195] 195,19 unequal: No Solution Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 19:[25, 27], Operations: ['62-22=40', '40-13=27'] Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,19 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 19:[40, 12], Operations: ['62-22=40', '25-13=12'] Exploring Operation: 40*12=480, Resulting Numbers: [480] 480,19 unequal: No Solution Exploring Operation: 40+12=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[22, 25, 49], Operations: ['62-13=49'] Exploring Operation: 49-22=27, Resulting Numbers: [25, 27] Generated Node #0,1,0: 19:[25, 27] Operation: 49-22=27 Exploring Operation: 49-25=24, Resulting Numbers: [22, 24] Generated Node #0,1,1: 19:[22, 24] Operation: 49-25=24 Exploring Operation: 25-22=3, Resulting Numbers: [49, 3] Generated Node #0,1,2: 19:[49, 3] Operation: 25-22=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[22, 24], Operations: ['62-13=49', '49-25=24'] Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 22*24=528, Resulting Numbers: [528] 528,19 unequal: No Solution Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 19:[25, 27], Operations: ['62-13=49', '49-22=27'] Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,19 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 19:[49, 3], Operations: ['62-13=49', '25-22=3'] Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,19 unequal: No Solution Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 22, 44, 88, 17 ]
93
[ "44-22=22", "88-17=71", "22+71=93" ]
Current State: 93:[22, 44, 88, 17], Operations: [] Exploring Operation: 44-22=22, Resulting Numbers: [88, 17, 22] Generated Node #2: [88, 17, 22] from Operation: 44-22=22 Current State: 93:[88, 17, 22], Operations: ['44-22=22'] Exploring Operation: 88-17=71, Resulting Numbers: [22, 71] Generated Node #3: [22, 71] from Operation: 88-17=71 Current State: 93:[22, 71], Operations: ['44-22=22', '88-17=71'] Exploring Operation: 22+71=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[22, 44, 88, 17], Operations: [] Exploring Operation: 44/22=2, Resulting Numbers: [88, 17, 2] Generated Node #0,0: 93:[88, 17, 2] Operation: 44/22=2 Exploring Operation: 22-17=5, Resulting Numbers: [44, 88, 5] Generated Node #0,1: 93:[44, 88, 5] Operation: 22-17=5 Exploring Operation: 44-17=27, Resulting Numbers: [22, 88, 27] Generated Node #0,2: 93:[22, 88, 27] Operation: 44-17=27 Moving to Node #0,2 Current State: 93:[22, 88, 27], Operations: ['44-17=27'] Exploring Operation: 27-22=5, Resulting Numbers: [88, 5] Generated Node #0,2,0: 93:[88, 5] Operation: 27-22=5 Exploring Operation: 22+88=110, Resulting Numbers: [27, 110] Generated Node #0,2,1: 93:[27, 110] Operation: 22+88=110 Exploring Operation: 88/22=4, Resulting Numbers: [27, 4] Generated Node #0,2,2: 93:[27, 4] Operation: 88/22=4 Moving to Node #0,0 Current State: 93:[88, 17, 2], Operations: ['44/22=2'] Exploring Operation: 17*2=34, Resulting Numbers: [88, 34] Generated Node #0,0,0: 93:[88, 34] Operation: 17*2=34 Exploring Operation: 88+17=105, Resulting Numbers: [2, 105] Generated Node #0,0,1: 93:[2, 105] Operation: 88+17=105 Exploring Operation: 88+2=90, Resulting Numbers: [17, 90] Generated Node #0,0,2: 93:[17, 90] Operation: 88+2=90 Moving to Node #0,1 Current State: 93:[44, 88, 5], Operations: ['22-17=5'] Exploring Operation: 88/44=2, Resulting Numbers: [5, 2] Generated Node #0,1,0: 93:[5, 2] Operation: 88/44=2 Exploring Operation: 44-5=39, Resulting Numbers: [88, 39] Generated Node #0,1,1: 93:[88, 39] Operation: 44-5=39 Exploring Operation: 88+5=93, Resulting Numbers: [44, 93] Generated Node #0,1,2: 93:[44, 93] Operation: 88+5=93 Moving to Node #0,1,0 Current State: 93:[5, 2], Operations: ['22-17=5', '88/44=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,93 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[27, 4], Operations: ['44-17=27', '88/22=4'] Exploring Operation: 27*4=108, Resulting Numbers: [108] 108,93 unequal: No Solution Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[88, 5], Operations: ['44-17=27', '27-22=5'] Exploring Operation: 88-5=83, Resulting Numbers: [83] 83,93 unequal: No Solution Exploring Operation: 88*5=440, Resulting Numbers: [440] 440,93 unequal: No Solution Exploring Operation: 88+5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[22, 44, 88, 17], Operations: [] Exploring Operation: 44-17=27, Resulting Numbers: [22, 88, 27] Generated Node #0,2: 93:[22, 88, 27] Operation: 44-17=27 Moving to Node #0,2 Current State: 93:[22, 88, 27], Operations: ['44-17=27'] Exploring Operation: 27-22=5, Resulting Numbers: [88, 5] Generated Node #0,2,0: 93:[88, 5] Operation: 27-22=5 Moving to Node #0,2,0 Current State: 93:[88, 5], Operations: ['44-17=27', '27-22=5'] Exploring Operation: 88+5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.978299
hs_3
sum_heuristic
[ 57, 49, 53, 72 ]
60
[ "72-57=15", "53-49=4", "15*4=60" ]
Current State: 60:[57, 49, 53, 72], Operations: [] Exploring Operation: 72-57=15, Resulting Numbers: [49, 53, 15] Generated Node #2: [49, 53, 15] from Operation: 72-57=15 Current State: 60:[49, 53, 15], Operations: ['72-57=15'] Exploring Operation: 53-49=4, Resulting Numbers: [15, 4] Generated Node #3: [15, 4] from Operation: 53-49=4 Current State: 60:[15, 4], Operations: ['72-57=15', '53-49=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[57, 49, 53, 72], Operations: [] Exploring Operation: 53-49=4, Resulting Numbers: [57, 72, 4] Generated Node #0,0: 60:[57, 72, 4] Operation: 53-49=4 Exploring Operation: 72-49=23, Resulting Numbers: [57, 53, 23] Generated Node #0,1: 60:[57, 53, 23] Operation: 72-49=23 Moving to Node #0,1 Current State: 60:[57, 53, 23], Operations: ['72-49=23'] Exploring Operation: 57-53=4, Resulting Numbers: [23, 4] Generated Node #0,1,0: 60:[23, 4] Operation: 57-53=4 Exploring Operation: 53-23=30, Resulting Numbers: [57, 30] Generated Node #0,1,1: 60:[57, 30] Operation: 53-23=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 60:[23, 4], Operations: ['72-49=23', '57-53=4'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,60 unequal: No Solution Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 60:[57, 30], Operations: ['72-49=23', '53-23=30'] Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,60 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 60:[57, 72, 4], Operations: ['53-49=4'] Exploring Operation: 72-57=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 60:[4, 15] Operation: 72-57=15 Exploring Operation: 72/4=18, Resulting Numbers: [57, 18] Generated Node #0,0,1: 60:[57, 18] Operation: 72/4=18 Moving to Node #0,0,0 Current State: 60:[4, 15], Operations: ['53-49=4', '72-57=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[57, 49, 53, 72], Operations: [] Exploring Operation: 53-49=4, Resulting Numbers: [57, 72, 4] Generated Node #0,0: 60:[57, 72, 4] Operation: 53-49=4 Moving to Node #0,0 Current State: 60:[57, 72, 4], Operations: ['53-49=4'] Exploring Operation: 72-57=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 60:[4, 15] Operation: 72-57=15 Moving to Node #0,0,0 Current State: 60:[4, 15], Operations: ['53-49=4', '72-57=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 66, 43, 90, 62 ]
82
[ "66-62=4", "43*4=172", "172-90=82" ]
Current State: 82:[66, 43, 90, 62], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [43, 90, 4] Generated Node #2: [43, 90, 4] from Operation: 66-62=4 Current State: 82:[43, 90, 4], Operations: ['66-62=4'] Exploring Operation: 43*4=172, Resulting Numbers: [90, 172] Generated Node #3: [90, 172] from Operation: 43*4=172 Current State: 82:[90, 172], Operations: ['66-62=4', '43*4=172'] Exploring Operation: 172-90=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[66, 43, 90, 62], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [43, 90, 4] Generated Node #0,0: 82:[43, 90, 4] Operation: 66-62=4 Exploring Operation: 90-62=28, Resulting Numbers: [66, 43, 28] Generated Node #0,1: 82:[66, 43, 28] Operation: 90-62=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[43, 90, 4], Operations: ['66-62=4'] Exploring Operation: 90-43=47, Resulting Numbers: [4, 47] Generated Node #0,0,0: 82:[4, 47] Operation: 90-43=47 Exploring Operation: 90-4=86, Resulting Numbers: [43, 86] Generated Node #0,0,1: 82:[43, 86] Operation: 90-4=86 Moving to Node #0,0,1 Current State: 82:[43, 86], Operations: ['66-62=4', '90-4=86'] Exploring Operation: 86-43=43, Resulting Numbers: [43] 43,82 unequal: No Solution Exploring Operation: 86/43=2, Resulting Numbers: [2] 2,82 unequal: No Solution Moving to Node #0,0,0 Current State: 82:[4, 47], Operations: ['66-62=4', '90-43=47'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,82 unequal: No Solution Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[66, 43, 28], Operations: ['90-62=28'] Exploring Operation: 66-28=38, Resulting Numbers: [43, 38] Generated Node #0,1,0: 82:[43, 38] Operation: 66-28=38 Exploring Operation: 66+28=94, Resulting Numbers: [43, 94] Generated Node #0,1,1: 82:[43, 94] Operation: 66+28=94 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 82:[43, 38], Operations: ['90-62=28', '66-28=38'] Exploring Operation: 43+38=81, Resulting Numbers: [81] 81,82 unequal: No Solution Exploring Operation: 43-38=5, Resulting Numbers: [5] 5,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[43, 94], Operations: ['90-62=28', '66+28=94'] Exploring Operation: 43+94=137, Resulting Numbers: [137] 137,82 unequal: No Solution Exploring Operation: 94-43=51, Resulting Numbers: [51] 51,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 15, 71, 53, 4 ]
48
[ "71+4=75", "75/15=5", "53-5=48" ]
Current State: 48:[15, 71, 53, 4], Operations: [] Exploring Operation: 71+4=75, Resulting Numbers: [15, 53, 75] Generated Node #2: [15, 53, 75] from Operation: 71+4=75 Current State: 48:[15, 53, 75], Operations: ['71+4=75'] Exploring Operation: 75/15=5, Resulting Numbers: [53, 5] Generated Node #3: [53, 5] from Operation: 75/15=5 Current State: 48:[53, 5], Operations: ['71+4=75', '75/15=5'] Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[15, 71, 53, 4], Operations: [] Exploring Operation: 71-15=56, Resulting Numbers: [53, 4, 56] Generated Node #0,0: 48:[53, 4, 56] Operation: 71-15=56 Exploring Operation: 53-4=49, Resulting Numbers: [15, 71, 49] Generated Node #0,1: 48:[15, 71, 49] Operation: 53-4=49 Exploring Operation: 71-53=18, Resulting Numbers: [15, 4, 18] Generated Node #0,2: 48:[15, 4, 18] Operation: 71-53=18 Exploring Operation: 71-4=67, Resulting Numbers: [15, 53, 67] Generated Node #0,3: 48:[15, 53, 67] Operation: 71-4=67 Exploring Operation: 15-4=11, Resulting Numbers: [71, 53, 11] Generated Node #0,4: 48:[71, 53, 11] Operation: 15-4=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[15, 4, 18], Operations: ['71-53=18'] Exploring Operation: 4+18=22, Resulting Numbers: [15, 22] Generated Node #0,2,0: 48:[15, 22] Operation: 4+18=22 Exploring Operation: 15-4=11, Resulting Numbers: [18, 11] Generated Node #0,2,1: 48:[18, 11] Operation: 15-4=11 Exploring Operation: 18-4=14, Resulting Numbers: [15, 14] Generated Node #0,2,2: 48:[15, 14] Operation: 18-4=14 Exploring Operation: 18-15=3, Resulting Numbers: [4, 3] Generated Node #0,2,3: 48:[4, 3] Operation: 18-15=3 Exploring Operation: 15+4=19, Resulting Numbers: [18, 19] Generated Node #0,2,4: 48:[18, 19] Operation: 15+4=19 Moving to Node #0,2,3 Current State: 48:[4, 3], Operations: ['71-53=18', '18-15=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,48 unequal: No Solution Moving to Node #0,2,1 Current State: 48:[18, 11], Operations: ['71-53=18', '15-4=11'] Exploring Operation: 18*11=198, Resulting Numbers: [198] 198,48 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 18+11=29, Resulting Numbers: [29] 29,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[15, 22], Operations: ['71-53=18', '4+18=22'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,48 unequal: No Solution Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[15, 14], Operations: ['71-53=18', '18-4=14'] Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 15*14=210, Resulting Numbers: [210] 210,48 unequal: No Solution Exploring Operation: 15+14=29, Resulting Numbers: [29] 29,48 unequal: No Solution Moving to Node #0,2,4 Current State: 48:[18, 19], Operations: ['71-53=18', '15+4=19'] Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,48 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[53, 4, 56], Operations: ['71-15=56'] Exploring Operation: 53+4=57, Resulting Numbers: [56, 57] Generated Node #0,0,0: 48:[56, 57] Operation: 53+4=57 Exploring Operation: 53-4=49, Resulting Numbers: [56, 49] Generated Node #0,0,1: 48:[56, 49] Operation: 53-4=49 Exploring Operation: 56-53=3, Resulting Numbers: [4, 3] Generated Node #0,0,2: 48:[4, 3] Operation: 56-53=3 Exploring Operation: 56-4=52, Resulting Numbers: [53, 52] Generated Node #0,0,3: 48:[53, 52] Operation: 56-4=52 Exploring Operation: 56/4=14, Resulting Numbers: [53, 14] Generated Node #0,0,4: 48:[53, 14] Operation: 56/4=14 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 48:[4, 3], Operations: ['71-15=56', '56-53=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,48 unequal: No Solution No 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: 48:[53, 14], Operations: ['71-15=56', '56/4=14'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,48 unequal: No Solution Exploring Operation: 53*14=742, Resulting Numbers: [742] 742,48 unequal: No Solution Exploring Operation: 53+14=67, Resulting Numbers: [67] 67,48 unequal: No Solution No 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: 48:[56, 49], Operations: ['71-15=56', '53-4=49'] Exploring Operation: 56-49=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 56*49=2744, Resulting Numbers: [2744] 2744,48 unequal: No Solution Exploring Operation: 56+49=105, Resulting Numbers: [105] 105,48 unequal: No Solution No 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: 48:[53, 52], Operations: ['71-15=56', '56-4=52'] Exploring Operation: 53*52=2756, Resulting Numbers: [2756] 2756,48 unequal: No Solution Exploring Operation: 53+52=105, Resulting Numbers: [105] 105,48 unequal: No Solution Exploring Operation: 53-52=1, Resulting Numbers: [1] 1,48 unequal: No Solution No 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: 48:[56, 57], Operations: ['71-15=56', '53+4=57'] Exploring Operation: 56+57=113, Resulting Numbers: [113] 113,48 unequal: No Solution Exploring Operation: 57-56=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 56*57=3192, Resulting Numbers: [3192] 3192,48 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: 48:[15, 71, 49], Operations: ['53-4=49'] Exploring Operation: 71-15=56, Resulting Numbers: [49, 56] Generated Node #0,1,0: 48:[49, 56] Operation: 71-15=56 Exploring Operation: 71-49=22, Resulting Numbers: [15, 22] Generated Node #0,1,1: 48:[15, 22] Operation: 71-49=22 Exploring Operation: 15+71=86, Resulting Numbers: [49, 86] Generated Node #0,1,2: 48:[49, 86] Operation: 15+71=86 Exploring Operation: 49-15=34, Resulting Numbers: [71, 34] Generated Node #0,1,3: 48:[71, 34] Operation: 49-15=34 Exploring Operation: 15+49=64, Resulting Numbers: [71, 64] Generated Node #0,1,4: 48:[71, 64] Operation: 15+49=64 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 48:[15, 22], Operations: ['53-4=49', '71-49=22'] Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,48 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,48 unequal: No Solution No 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: 48:[49, 56], Operations: ['53-4=49', '71-15=56'] Exploring Operation: 49+56=105, Resulting Numbers: [105] 105,48 unequal: No Solution Exploring Operation: 56-49=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 49*56=2744, Resulting Numbers: [2744] 2744,48 unequal: No Solution No 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: 48:[71, 34], Operations: ['53-4=49', '49-15=34'] Exploring Operation: 71+34=105, Resulting Numbers: [105] 105,48 unequal: No Solution Exploring Operation: 71-34=37, Resulting Numbers: [37] 37,48 unequal: No Solution Exploring Operation: 71*34=2414, Resulting Numbers: [2414] 2414,48 unequal: No Solution No 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: 48:[49, 86], Operations: ['53-4=49', '15+71=86'] Exploring Operation: 49+86=135, Resulting Numbers: [135] 135,48 unequal: No Solution Exploring Operation: 86-49=37, Resulting Numbers: [37] 37,48 unequal: No Solution Exploring Operation: 49*86=4214, Resulting Numbers: [4214] 4214,48 unequal: No Solution No 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: 48:[71, 64], Operations: ['53-4=49', '15+49=64'] Exploring Operation: 71-64=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 71+64=135, Resulting Numbers: [135] 135,48 unequal: No Solution Exploring Operation: 71*64=4544, Resulting Numbers: [4544] 4544,48 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: 48:[15, 53, 67], Operations: ['71-4=67'] Exploring Operation: 15+53=68, Resulting Numbers: [67, 68] Generated Node #0,3,0: 48:[67, 68] Operation: 15+53=68 Exploring Operation: 15+67=82, Resulting Numbers: [53, 82] Generated Node #0,3,1: 48:[53, 82] Operation: 15+67=82 Exploring Operation: 67-53=14, Resulting Numbers: [15, 14] Generated Node #0,3,2: 48:[15, 14] Operation: 67-53=14 Exploring Operation: 67-15=52, Resulting Numbers: [53, 52] Generated Node #0,3,3: 48:[53, 52] Operation: 67-15=52 Exploring Operation: 53-15=38, Resulting Numbers: [67, 38] Generated Node #0,3,4: 48:[67, 38] Operation: 53-15=38 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 48:[15, 14], Operations: ['71-4=67', '67-53=14'] Exploring Operation: 15+14=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 15*14=210, Resulting Numbers: [210] 210,48 unequal: No Solution No 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: 48:[53, 52], Operations: ['71-4=67', '67-15=52'] Exploring Operation: 53-52=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 53*52=2756, Resulting Numbers: [2756] 2756,48 unequal: No Solution Exploring Operation: 53+52=105, Resulting Numbers: [105] 105,48 unequal: No Solution No 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: 48:[67, 38], Operations: ['71-4=67', '53-15=38'] Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 67*38=2546, Resulting Numbers: [2546] 2546,48 unequal: No Solution Exploring Operation: 67+38=105, Resulting Numbers: [105] 105,48 unequal: No Solution No 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: 48:[67, 68], Operations: ['71-4=67', '15+53=68'] Exploring Operation: 68-67=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 67*68=4556, Resulting Numbers: [4556] 4556,48 unequal: No Solution Exploring Operation: 67+68=135, Resulting Numbers: [135] 135,48 unequal: No Solution No 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: 48:[53, 82], Operations: ['71-4=67', '15+67=82'] Exploring Operation: 53*82=4346, Resulting Numbers: [4346] 4346,48 unequal: No Solution Exploring Operation: 82-53=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 53+82=135, Resulting Numbers: [135] 135,48 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: 48:[71, 53, 11], Operations: ['15-4=11'] Exploring Operation: 71-11=60, Resulting Numbers: [53, 60] Generated Node #0,4,0: 48:[53, 60] Operation: 71-11=60 Exploring Operation: 53+11=64, Resulting Numbers: [71, 64] Generated Node #0,4,1: 48:[71, 64] Operation: 53+11=64 Exploring Operation: 71-53=18, Resulting Numbers: [11, 18] Generated Node #0,4,2: 48:[11, 18] Operation: 71-53=18 Exploring Operation: 53-11=42, Resulting Numbers: [71, 42] Generated Node #0,4,3: 48:[71, 42] Operation: 53-11=42 Exploring Operation: 71+11=82, Resulting Numbers: [53, 82] Generated Node #0,4,4: 48:[53, 82] Operation: 71+11=82 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 48:[11, 18], Operations: ['15-4=11', '71-53=18'] Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,48 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,48 unequal: No Solution No 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: 48:[53, 60], Operations: ['15-4=11', '71-11=60'] Exploring Operation: 53+60=113, Resulting Numbers: [113] 113,48 unequal: No Solution Exploring Operation: 53*60=3180, Resulting Numbers: [3180] 3180,48 unequal: No Solution Exploring Operation: 60-53=7, Resulting Numbers: [7] 7,48 unequal: No Solution No 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: 48:[71, 42], Operations: ['15-4=11', '53-11=42'] Exploring Operation: 71*42=2982, Resulting Numbers: [2982] 2982,48 unequal: No Solution Exploring Operation: 71+42=113, Resulting Numbers: [113] 113,48 unequal: No Solution Exploring Operation: 71-42=29, Resulting Numbers: [29] 29,48 unequal: No Solution No 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: 48:[71, 64], Operations: ['15-4=11', '53+11=64'] Exploring Operation: 71*64=4544, Resulting Numbers: [4544] 4544,48 unequal: No Solution Exploring Operation: 71+64=135, Resulting Numbers: [135] 135,48 unequal: No Solution Exploring Operation: 71-64=7, Resulting Numbers: [7] 7,48 unequal: No Solution No 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: 48:[53, 82], Operations: ['15-4=11', '71+11=82'] Exploring Operation: 82-53=29, Resulting Numbers: [29] 29,48 unequal: No Solution Exploring Operation: 53+82=135, Resulting Numbers: [135] 135,48 unequal: No Solution Exploring Operation: 53*82=4346, Resulting Numbers: [4346] 4346,48 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
[ 14, 40, 8, 16 ]
23
[ "14*16=224", "224-40=184", "184/8=23" ]
Current State: 23:[14, 40, 8, 16], Operations: [] Exploring Operation: 14*16=224, Resulting Numbers: [40, 8, 224] Generated Node #2: [40, 8, 224] from Operation: 14*16=224 Current State: 23:[40, 8, 224], Operations: ['14*16=224'] Exploring Operation: 224-40=184, Resulting Numbers: [8, 184] Generated Node #3: [8, 184] from Operation: 224-40=184 Current State: 23:[8, 184], Operations: ['14*16=224', '224-40=184'] Exploring Operation: 184/8=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[14, 40, 8, 16], Operations: [] Exploring Operation: 40-14=26, Resulting Numbers: [8, 16, 26] Generated Node #0,0: 23:[8, 16, 26] Operation: 40-14=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[8, 16, 26], Operations: ['40-14=26'] Exploring Operation: 8+16=24, Resulting Numbers: [26, 24] Generated Node #0,0,0: 23:[26, 24] Operation: 8+16=24 Moving to Node #0,0,0 Current State: 23:[26, 24], Operations: ['40-14=26', '8+16=24'] Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,23 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
[ 32, 15, 58, 87 ]
46
[ "32-15=17", "87-58=29", "17+29=46" ]
Current State: 46:[32, 15, 58, 87], Operations: [] Exploring Operation: 32-15=17, Resulting Numbers: [58, 87, 17] Generated Node #2: [58, 87, 17] from Operation: 32-15=17 Current State: 46:[58, 87, 17], Operations: ['32-15=17'] Exploring Operation: 87-58=29, Resulting Numbers: [17, 29] Generated Node #3: [17, 29] from Operation: 87-58=29 Current State: 46:[17, 29], Operations: ['32-15=17', '87-58=29'] Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[32, 15, 58, 87], Operations: [] Exploring Operation: 87-32=55, Resulting Numbers: [15, 58, 55] Generated Node #0,0: 46:[15, 58, 55] Operation: 87-32=55 Exploring Operation: 87-58=29, Resulting Numbers: [32, 15, 29] Generated Node #0,1: 46:[32, 15, 29] Operation: 87-58=29 Moving to Node #0,1 Current State: 46:[32, 15, 29], Operations: ['87-58=29'] Exploring Operation: 32+15=47, Resulting Numbers: [29, 47] Generated Node #0,1,0: 46:[29, 47] Operation: 32+15=47 Exploring Operation: 32-29=3, Resulting Numbers: [15, 3] Generated Node #0,1,1: 46:[15, 3] Operation: 32-29=3 Moving to Node #0,0 Current State: 46:[15, 58, 55], Operations: ['87-32=55'] Exploring Operation: 58-15=43, Resulting Numbers: [55, 43] Generated Node #0,0,0: 46:[55, 43] Operation: 58-15=43 Exploring Operation: 58-55=3, Resulting Numbers: [15, 3] Generated Node #0,0,1: 46:[15, 3] Operation: 58-55=3 Moving to Node #0,1,0 Current State: 46:[29, 47], Operations: ['87-58=29', '32+15=47'] Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 29+47=76, Resulting Numbers: [76] 76,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[15, 3], Operations: ['87-32=55', '58-55=3'] Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[15, 3], Operations: ['87-58=29', '32-29=3'] Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[55, 43], Operations: ['87-32=55', '58-15=43'] Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,46 unequal: No Solution Exploring Operation: 55+43=98, Resulting Numbers: [98] 98,46 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 91, 26, 56, 83 ]
19
[ "91-83=8", "56/8=7", "26-7=19" ]
Current State: 19:[91, 26, 56, 83], Operations: [] Exploring Operation: 91-83=8, Resulting Numbers: [26, 56, 8] Generated Node #2: [26, 56, 8] from Operation: 91-83=8 Current State: 19:[26, 56, 8], Operations: ['91-83=8'] Exploring Operation: 56/8=7, Resulting Numbers: [26, 7] Generated Node #3: [26, 7] from Operation: 56/8=7 Current State: 19:[26, 7], Operations: ['91-83=8', '56/8=7'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[91, 26, 56, 83], Operations: [] Exploring Operation: 91-83=8, Resulting Numbers: [26, 56, 8] Generated Node #0,0: 19:[26, 56, 8] Operation: 91-83=8 Exploring Operation: 91-56=35, Resulting Numbers: [26, 83, 35] Generated Node #0,1: 19:[26, 83, 35] Operation: 91-56=35 Exploring Operation: 83-56=27, Resulting Numbers: [91, 26, 27] Generated Node #0,2: 19:[91, 26, 27] Operation: 83-56=27 Moving to Node #0,0 Current State: 19:[26, 56, 8], Operations: ['91-83=8'] Exploring Operation: 56-26=30, Resulting Numbers: [8, 30] Generated Node #0,0,0: 19:[8, 30] Operation: 56-26=30 Exploring Operation: 56-8=48, Resulting Numbers: [26, 48] Generated Node #0,0,1: 19:[26, 48] Operation: 56-8=48 Exploring Operation: 56/8=7, Resulting Numbers: [26, 7] Generated Node #0,0,2: 19:[26, 7] Operation: 56/8=7 Moving to Node #0,1 Current State: 19:[26, 83, 35], Operations: ['91-56=35'] Exploring Operation: 83-26=57, Resulting Numbers: [35, 57] Generated Node #0,1,0: 19:[35, 57] Operation: 83-26=57 Exploring Operation: 35-26=9, Resulting Numbers: [83, 9] Generated Node #0,1,1: 19:[83, 9] Operation: 35-26=9 Exploring Operation: 83-35=48, Resulting Numbers: [26, 48] Generated Node #0,1,2: 19:[26, 48] Operation: 83-35=48 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[26, 48], Operations: ['91-56=35', '83-35=48'] Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 26*48=1248, Resulting Numbers: [1248] 1248,19 unequal: No Solution Exploring Operation: 26+48=74, Resulting Numbers: [74] 74,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 19:[35, 57], Operations: ['91-56=35', '83-26=57'] Exploring Operation: 35*57=1995, Resulting Numbers: [1995] 1995,19 unequal: No Solution Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 35+57=92, Resulting Numbers: [92] 92,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[83, 9], Operations: ['91-56=35', '35-26=9'] Exploring Operation: 83+9=92, Resulting Numbers: [92] 92,19 unequal: No Solution Exploring Operation: 83-9=74, Resulting Numbers: [74] 74,19 unequal: No Solution Exploring Operation: 83*9=747, Resulting Numbers: [747] 747,19 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: 19:[91, 26, 27], Operations: ['83-56=27'] Exploring Operation: 91-26=65, Resulting Numbers: [27, 65] Generated Node #0,2,0: 19:[27, 65] Operation: 91-26=65 Exploring Operation: 27-26=1, Resulting Numbers: [91, 1] Generated Node #0,2,1: 19:[91, 1] Operation: 27-26=1 Exploring Operation: 91-27=64, Resulting Numbers: [26, 64] Generated Node #0,2,2: 19:[26, 64] Operation: 91-27=64 Moving to Node #0,0,2 Current State: 19:[26, 7], Operations: ['91-83=8', '56/8=7'] Exploring Operation: 26+7=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[91, 26, 56, 83], Operations: [] Exploring Operation: 91-83=8, Resulting Numbers: [26, 56, 8] Generated Node #0,0: 19:[26, 56, 8] Operation: 91-83=8 Moving to Node #0,0 Current State: 19:[26, 56, 8], Operations: ['91-83=8'] Exploring Operation: 56/8=7, Resulting Numbers: [26, 7] Generated Node #0,0,2: 19:[26, 7] Operation: 56/8=7 Moving to Node #0,0,2 Current State: 19:[26, 7], Operations: ['91-83=8', '56/8=7'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.976563
hs_3
sum_heuristic
[ 24, 11, 45, 19 ]
100
[ "24-19=5", "11*5=55", "45+55=100" ]
Current State: 100:[24, 11, 45, 19], Operations: [] Exploring Operation: 24-19=5, Resulting Numbers: [11, 45, 5] Generated Node #2: [11, 45, 5] from Operation: 24-19=5 Current State: 100:[11, 45, 5], Operations: ['24-19=5'] Exploring Operation: 11*5=55, Resulting Numbers: [45, 55] Generated Node #3: [45, 55] from Operation: 11*5=55 Current State: 100:[45, 55], Operations: ['24-19=5', '11*5=55'] Exploring Operation: 45+55=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[24, 11, 45, 19], Operations: [] Exploring Operation: 45-19=26, Resulting Numbers: [24, 11, 26] Generated Node #0,0: 100:[24, 11, 26] Operation: 45-19=26 Exploring Operation: 45-24=21, Resulting Numbers: [11, 19, 21] Generated Node #0,1: 100:[11, 19, 21] Operation: 45-24=21 Moving to Node #0,0 Current State: 100:[24, 11, 26], Operations: ['45-19=26'] Exploring Operation: 26-24=2, Resulting Numbers: [11, 2] Generated Node #0,0,0: 100:[11, 2] Operation: 26-24=2 Exploring Operation: 24+26=50, Resulting Numbers: [11, 50] Generated Node #0,0,1: 100:[11, 50] Operation: 24+26=50 Moving to Node #0,1 Current State: 100:[11, 19, 21], Operations: ['45-24=21'] Exploring Operation: 21-11=10, Resulting Numbers: [19, 10] Generated Node #0,1,0: 100:[19, 10] Operation: 21-11=10 Exploring Operation: 21-19=2, Resulting Numbers: [11, 2] Generated Node #0,1,1: 100:[11, 2] Operation: 21-19=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[19, 10], Operations: ['45-24=21', '21-11=10'] Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 19+10=29, Resulting Numbers: [29] 29,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[11, 2], Operations: ['45-24=21', '21-19=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,100 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: 100:[11, 2], Operations: ['45-19=26', '26-24=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[11, 50], Operations: ['45-19=26', '24+26=50'] Exploring Operation: 11+50=61, Resulting Numbers: [61] 61,100 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,100 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 15, 21, 46, 21 ]
46
[ "21-21=0", "15*0=0", "46+0=46" ]
Current State: 46:[15, 21, 46, 21], Operations: [] Exploring Operation: 21-21=0, Resulting Numbers: [15, 46, 0] Generated Node #2: [15, 46, 0] from Operation: 21-21=0 Current State: 46:[15, 46, 0], Operations: ['21-21=0'] Exploring Operation: 15*0=0, Resulting Numbers: [46, 0] Generated Node #3: [46, 0] from Operation: 15*0=0 Current State: 46:[46, 0], Operations: ['21-21=0', '15*0=0'] Exploring Operation: 46+0=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[15, 21, 46, 21], Operations: [] Exploring Operation: 21-15=6, Resulting Numbers: [46, 21, 6] Generated Node #0,0: 46:[46, 21, 6] Operation: 21-15=6 Exploring Operation: 21-15=6, Resulting Numbers: [21, 46, 6] Generated Node #0,1: 46:[21, 46, 6] Operation: 21-15=6 Moving to Node #0,0 Current State: 46:[46, 21, 6], Operations: ['21-15=6'] Exploring Operation: 46-21=25, Resulting Numbers: [6, 25] Generated Node #0,0,0: 46:[6, 25] Operation: 46-21=25 Exploring Operation: 21+6=27, Resulting Numbers: [46, 27] Generated Node #0,0,1: 46:[46, 27] Operation: 21+6=27 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 46:[46, 27], Operations: ['21-15=6', '21+6=27'] Exploring Operation: 46+27=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,46 unequal: No Solution No 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: 46:[6, 25], Operations: ['21-15=6', '46-21=25'] Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,46 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: 46:[21, 46, 6], Operations: ['21-15=6'] Exploring Operation: 21+6=27, Resulting Numbers: [46, 27] Generated Node #0,1,0: 46:[46, 27] Operation: 21+6=27 Exploring Operation: 46-21=25, Resulting Numbers: [6, 25] Generated Node #0,1,1: 46:[6, 25] Operation: 46-21=25 Moving to Node #0,1,0 Current State: 46:[46, 27], Operations: ['21-15=6', '21+6=27'] Exploring Operation: 46+27=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[6, 25], Operations: ['21-15=6', '46-21=25'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,46 unequal: No Solution Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,46 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 79, 5, 27, 6 ]
44
[ "79+6=85", "85/5=17", "27+17=44" ]
Current State: 44:[79, 5, 27, 6], Operations: [] Exploring Operation: 79+6=85, Resulting Numbers: [5, 27, 85] Generated Node #2: [5, 27, 85] from Operation: 79+6=85 Current State: 44:[5, 27, 85], Operations: ['79+6=85'] Exploring Operation: 85/5=17, Resulting Numbers: [27, 17] Generated Node #3: [27, 17] from Operation: 85/5=17 Current State: 44:[27, 17], Operations: ['79+6=85', '85/5=17'] Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[79, 5, 27, 6], Operations: [] Exploring Operation: 79-27=52, Resulting Numbers: [5, 6, 52] Generated Node #0,0: 44:[5, 6, 52] Operation: 79-27=52 Exploring Operation: 79-5=74, Resulting Numbers: [27, 6, 74] Generated Node #0,1: 44:[27, 6, 74] Operation: 79-5=74 Exploring Operation: 79-6=73, Resulting Numbers: [5, 27, 73] Generated Node #0,2: 44:[5, 27, 73] Operation: 79-6=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[5, 6, 52], Operations: ['79-27=52'] Exploring Operation: 52-5=47, Resulting Numbers: [6, 47] Generated Node #0,0,0: 44:[6, 47] Operation: 52-5=47 Exploring Operation: 5+6=11, Resulting Numbers: [52, 11] Generated Node #0,0,1: 44:[52, 11] Operation: 5+6=11 Exploring Operation: 52-6=46, Resulting Numbers: [5, 46] Generated Node #0,0,2: 44:[5, 46] Operation: 52-6=46 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 44:[5, 46], Operations: ['79-27=52', '52-6=46'] Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,44 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 44:[6, 47], Operations: ['79-27=52', '52-5=47'] Exploring Operation: 6*47=282, Resulting Numbers: [282] 282,44 unequal: No Solution Exploring Operation: 6+47=53, Resulting Numbers: [53] 53,44 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 44:[52, 11], Operations: ['79-27=52', '5+6=11'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,44 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[5, 27, 73], Operations: ['79-6=73'] Exploring Operation: 73-27=46, Resulting Numbers: [5, 46] Generated Node #0,2,0: 44:[5, 46] Operation: 73-27=46 Exploring Operation: 27-5=22, Resulting Numbers: [73, 22] Generated Node #0,2,1: 44:[73, 22] Operation: 27-5=22 Exploring Operation: 73-5=68, Resulting Numbers: [27, 68] Generated Node #0,2,2: 44:[27, 68] Operation: 73-5=68 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 44:[5, 46], Operations: ['79-6=73', '73-27=46'] Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,44 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 44:[73, 22], Operations: ['79-6=73', '27-5=22'] Exploring Operation: 73*22=1606, Resulting Numbers: [1606] 1606,44 unequal: No Solution Exploring Operation: 73+22=95, Resulting Numbers: [95] 95,44 unequal: No Solution Exploring Operation: 73-22=51, Resulting Numbers: [51] 51,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 44:[27, 68], Operations: ['79-6=73', '73-5=68'] Exploring Operation: 27+68=95, Resulting Numbers: [95] 95,44 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 27*68=1836, Resulting Numbers: [1836] 1836,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[27, 6, 74], Operations: ['79-5=74'] Exploring Operation: 27-6=21, Resulting Numbers: [74, 21] Generated Node #0,1,0: 44:[74, 21] Operation: 27-6=21 Exploring Operation: 74-6=68, Resulting Numbers: [27, 68] Generated Node #0,1,1: 44:[27, 68] Operation: 74-6=68 Exploring Operation: 74-27=47, Resulting Numbers: [6, 47] Generated Node #0,1,2: 44:[6, 47] Operation: 74-27=47 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 44:[6, 47], Operations: ['79-5=74', '74-27=47'] Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 6*47=282, Resulting Numbers: [282] 282,44 unequal: No Solution Exploring Operation: 6+47=53, Resulting Numbers: [53] 53,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 44:[27, 68], Operations: ['79-5=74', '74-6=68'] Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 27*68=1836, Resulting Numbers: [1836] 1836,44 unequal: No Solution Exploring Operation: 27+68=95, Resulting Numbers: [95] 95,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 44:[74, 21], Operations: ['79-5=74', '27-6=21'] Exploring Operation: 74+21=95, Resulting Numbers: [95] 95,44 unequal: No Solution Exploring Operation: 74*21=1554, Resulting Numbers: [1554] 1554,44 unequal: No Solution Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 32, 94, 50, 23 ]
53
[ "32+94=126", "50+23=73", "126-73=53" ]
Current State: 53:[32, 94, 50, 23], Operations: [] Exploring Operation: 32+94=126, Resulting Numbers: [50, 23, 126] Generated Node #2: [50, 23, 126] from Operation: 32+94=126 Current State: 53:[50, 23, 126], Operations: ['32+94=126'] Exploring Operation: 50+23=73, Resulting Numbers: [126, 73] Generated Node #3: [126, 73] from Operation: 50+23=73 Current State: 53:[126, 73], Operations: ['32+94=126', '50+23=73'] Exploring Operation: 126-73=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[32, 94, 50, 23], Operations: [] Exploring Operation: 94-23=71, Resulting Numbers: [32, 50, 71] Generated Node #0,0: 53:[32, 50, 71] Operation: 94-23=71 Exploring Operation: 32+23=55, Resulting Numbers: [94, 50, 55] Generated Node #0,1: 53:[94, 50, 55] Operation: 32+23=55 Exploring Operation: 94-32=62, Resulting Numbers: [50, 23, 62] Generated Node #0,2: 53:[50, 23, 62] Operation: 94-32=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[32, 50, 71], Operations: ['94-23=71'] Exploring Operation: 71-32=39, Resulting Numbers: [50, 39] Generated Node #0,0,0: 53:[50, 39] Operation: 71-32=39 Exploring Operation: 50-32=18, Resulting Numbers: [71, 18] Generated Node #0,0,1: 53:[71, 18] Operation: 50-32=18 Exploring Operation: 32+50=82, Resulting Numbers: [71, 82] Generated Node #0,0,2: 53:[71, 82] Operation: 32+50=82 Moving to Node #0,0,0 Current State: 53:[50, 39], Operations: ['94-23=71', '71-32=39'] Exploring Operation: 50+39=89, Resulting Numbers: [89] 89,53 unequal: No Solution Exploring Operation: 50*39=1950, Resulting Numbers: [1950] 1950,53 unequal: No Solution Exploring Operation: 50-39=11, Resulting Numbers: [11] 11,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[71, 82], Operations: ['94-23=71', '32+50=82'] Exploring Operation: 71*82=5822, Resulting Numbers: [5822] 5822,53 unequal: No Solution Exploring Operation: 71+82=153, Resulting Numbers: [153] 153,53 unequal: No Solution Exploring Operation: 82-71=11, Resulting Numbers: [11] 11,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[71, 18], Operations: ['94-23=71', '50-32=18'] Exploring Operation: 71-18=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[32, 94, 50, 23], Operations: [] Exploring Operation: 94-23=71, Resulting Numbers: [32, 50, 71] Generated Node #0,0: 53:[32, 50, 71] Operation: 94-23=71 Moving to Node #0,0 Current State: 53:[32, 50, 71], Operations: ['94-23=71'] Exploring Operation: 50-32=18, Resulting Numbers: [71, 18] Generated Node #0,0,1: 53:[71, 18] Operation: 50-32=18 Moving to Node #0,0,1 Current State: 53:[71, 18], Operations: ['94-23=71', '50-32=18'] Exploring Operation: 71-18=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 51, 88, 84, 7 ]
82
[ "51-7=44", "88/44=2", "84-2=82" ]
Current State: 82:[51, 88, 84, 7], Operations: [] Exploring Operation: 51-7=44, Resulting Numbers: [88, 84, 44] Generated Node #2: [88, 84, 44] from Operation: 51-7=44 Current State: 82:[88, 84, 44], Operations: ['51-7=44'] Exploring Operation: 88/44=2, Resulting Numbers: [84, 2] Generated Node #3: [84, 2] from Operation: 88/44=2 Current State: 82:[84, 2], Operations: ['51-7=44', '88/44=2'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[51, 88, 84, 7], Operations: [] Exploring Operation: 88-51=37, Resulting Numbers: [84, 7, 37] Generated Node #0,0: 82:[84, 7, 37] Operation: 88-51=37 Exploring Operation: 88-7=81, Resulting Numbers: [51, 84, 81] Generated Node #0,1: 82:[51, 84, 81] Operation: 88-7=81 Exploring Operation: 51-7=44, Resulting Numbers: [88, 84, 44] Generated Node #0,2: 82:[88, 84, 44] Operation: 51-7=44 Moving to Node #0,0 Current State: 82:[84, 7, 37], Operations: ['88-51=37'] Exploring Operation: 84-37=47, Resulting Numbers: [7, 47] Generated Node #0,0,0: 82:[7, 47] Operation: 84-37=47 Exploring Operation: 7+37=44, Resulting Numbers: [84, 44] Generated Node #0,0,1: 82:[84, 44] Operation: 7+37=44 Exploring Operation: 84-7=77, Resulting Numbers: [37, 77] Generated Node #0,0,2: 82:[37, 77] Operation: 84-7=77 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 82:[84, 44], Operations: ['88-51=37', '7+37=44'] Exploring Operation: 84-44=40, Resulting Numbers: [40] 40,82 unequal: No Solution Exploring Operation: 84*44=3696, Resulting Numbers: [3696] 3696,82 unequal: No Solution Exploring Operation: 84+44=128, Resulting Numbers: [128] 128,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 82:[37, 77], Operations: ['88-51=37', '84-7=77'] Exploring Operation: 37*77=2849, Resulting Numbers: [2849] 2849,82 unequal: No Solution Exploring Operation: 37+77=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 77-37=40, Resulting Numbers: [40] 40,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[7, 47], Operations: ['88-51=37', '84-37=47'] Exploring Operation: 7*47=329, Resulting Numbers: [329] 329,82 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,82 unequal: No Solution Exploring Operation: 7+47=54, Resulting Numbers: [54] 54,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 82:[88, 84, 44], Operations: ['51-7=44'] Exploring Operation: 88-44=44, Resulting Numbers: [84, 44] Generated Node #0,2,0: 82:[84, 44] Operation: 88-44=44 Exploring Operation: 88/44=2, Resulting Numbers: [84, 2] Generated Node #0,2,1: 82:[84, 2] Operation: 88/44=2 Exploring Operation: 88-84=4, Resulting Numbers: [44, 4] Generated Node #0,2,2: 82:[44, 4] Operation: 88-84=4 Moving to Node #0,1 Current State: 82:[51, 84, 81], Operations: ['88-7=81'] Exploring Operation: 84-81=3, Resulting Numbers: [51, 3] Generated Node #0,1,0: 82:[51, 3] Operation: 84-81=3 Exploring Operation: 84-51=33, Resulting Numbers: [81, 33] Generated Node #0,1,1: 82:[81, 33] Operation: 84-51=33 Exploring Operation: 81-51=30, Resulting Numbers: [84, 30] Generated Node #0,1,2: 82:[84, 30] Operation: 81-51=30 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 82:[81, 33], Operations: ['88-7=81', '84-51=33'] Exploring Operation: 81-33=48, Resulting Numbers: [48] 48,82 unequal: No Solution Exploring Operation: 81+33=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 81*33=2673, Resulting Numbers: [2673] 2673,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 82:[51, 3], Operations: ['88-7=81', '84-81=3'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,82 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,82 unequal: No Solution Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 82:[84, 30], Operations: ['88-7=81', '81-51=30'] Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 84+30=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 84*30=2520, Resulting Numbers: [2520] 2520,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 82:[84, 2], Operations: ['51-7=44', '88/44=2'] Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,82 unequal: No Solution Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[51, 88, 84, 7], Operations: [] Exploring Operation: 51-7=44, Resulting Numbers: [88, 84, 44] Generated Node #0,2: 82:[88, 84, 44] Operation: 51-7=44 Moving to Node #0,2 Current State: 82:[88, 84, 44], Operations: ['51-7=44'] Exploring Operation: 88/44=2, Resulting Numbers: [84, 2] Generated Node #0,2,1: 82:[84, 2] Operation: 88/44=2 Moving to Node #0,2,1 Current State: 82:[84, 2], Operations: ['51-7=44', '88/44=2'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.96875
hs_3
mult_heuristic
[ 33, 66, 52, 75 ]
76
[ "33+66=99", "75-52=23", "99-23=76" ]
Current State: 76:[33, 66, 52, 75], Operations: [] Exploring Operation: 33+66=99, Resulting Numbers: [52, 75, 99] Generated Node #2: [52, 75, 99] from Operation: 33+66=99 Current State: 76:[52, 75, 99], Operations: ['33+66=99'] Exploring Operation: 75-52=23, Resulting Numbers: [99, 23] Generated Node #3: [99, 23] from Operation: 75-52=23 Current State: 76:[99, 23], Operations: ['33+66=99', '75-52=23'] Exploring Operation: 99-23=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[33, 66, 52, 75], Operations: [] Exploring Operation: 52-33=19, Resulting Numbers: [66, 75, 19] Generated Node #0,0: 76:[66, 75, 19] Operation: 52-33=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[66, 75, 19], Operations: ['52-33=19'] Exploring Operation: 75-66=9, Resulting Numbers: [19, 9] Generated Node #0,0,0: 76:[19, 9] Operation: 75-66=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[19, 9], Operations: ['52-33=19', '75-66=9'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 87, 8, 80, 79 ]
94
[ "87+8=95", "80-79=1", "95-1=94" ]
Current State: 94:[87, 8, 80, 79], Operations: [] Exploring Operation: 87+8=95, Resulting Numbers: [80, 79, 95] Generated Node #2: [80, 79, 95] from Operation: 87+8=95 Current State: 94:[80, 79, 95], Operations: ['87+8=95'] Exploring Operation: 80-79=1, Resulting Numbers: [95, 1] Generated Node #3: [95, 1] from Operation: 80-79=1 Current State: 94:[95, 1], Operations: ['87+8=95', '80-79=1'] Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[87, 8, 80, 79], Operations: [] Exploring Operation: 8+80=88, Resulting Numbers: [87, 79, 88] Generated Node #0,0: 94:[87, 79, 88] Operation: 8+80=88 Exploring Operation: 80-79=1, Resulting Numbers: [87, 8, 1] Generated Node #0,1: 94:[87, 8, 1] Operation: 80-79=1 Exploring Operation: 87-80=7, Resulting Numbers: [8, 79, 7] Generated Node #0,2: 94:[8, 79, 7] Operation: 87-80=7 Exploring Operation: 87-79=8, Resulting Numbers: [8, 80, 8] Generated Node #0,3: 94:[8, 80, 8] Operation: 87-79=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[87, 8, 1], Operations: ['80-79=1'] Exploring Operation: 8-1=7, Resulting Numbers: [87, 7] Generated Node #0,1,0: 94:[87, 7] Operation: 8-1=7 Exploring Operation: 87+8=95, Resulting Numbers: [1, 95] Generated Node #0,1,1: 94:[1, 95] Operation: 87+8=95 Exploring Operation: 87+1=88, Resulting Numbers: [8, 88] Generated Node #0,1,2: 94:[8, 88] Operation: 87+1=88 Exploring Operation: 87*1=87, Resulting Numbers: [8, 87] Generated Node #0,1,3: 94:[8, 87] Operation: 87*1=87 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[1, 95], Operations: ['80-79=1', '87+8=95'] Exploring Operation: 1+95=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 1*95=95, Resulting Numbers: [95] 95,94 unequal: No Solution Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[87, 8, 80, 79], Operations: [] Exploring Operation: 80-79=1, Resulting Numbers: [87, 8, 1] Generated Node #0,1: 94:[87, 8, 1] Operation: 80-79=1 Moving to Node #0,1 Current State: 94:[87, 8, 1], Operations: ['80-79=1'] Exploring Operation: 87+8=95, Resulting Numbers: [1, 95] Generated Node #0,1,1: 94:[1, 95] Operation: 87+8=95 Moving to Node #0,1,1 Current State: 94:[1, 95], Operations: ['80-79=1', '87+8=95'] Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 16, 66, 58, 86 ]
22
[ "66-16=50", "86-58=28", "50-28=22" ]
Current State: 22:[16, 66, 58, 86], Operations: [] Exploring Operation: 66-16=50, Resulting Numbers: [58, 86, 50] Generated Node #2: [58, 86, 50] from Operation: 66-16=50 Current State: 22:[58, 86, 50], Operations: ['66-16=50'] Exploring Operation: 86-58=28, Resulting Numbers: [50, 28] Generated Node #3: [50, 28] from Operation: 86-58=28 Current State: 22:[50, 28], Operations: ['66-16=50', '86-58=28'] Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[16, 66, 58, 86], Operations: [] Exploring Operation: 66-16=50, Resulting Numbers: [58, 86, 50] Generated Node #0,0: 22:[58, 86, 50] Operation: 66-16=50 Exploring Operation: 86-66=20, Resulting Numbers: [16, 58, 20] Generated Node #0,1: 22:[16, 58, 20] Operation: 86-66=20 Exploring Operation: 86-58=28, Resulting Numbers: [16, 66, 28] Generated Node #0,2: 22:[16, 66, 28] Operation: 86-58=28 Exploring Operation: 66-58=8, Resulting Numbers: [16, 86, 8] Generated Node #0,3: 22:[16, 86, 8] Operation: 66-58=8 Exploring Operation: 58-16=42, Resulting Numbers: [66, 86, 42] Generated Node #0,4: 22:[66, 86, 42] Operation: 58-16=42 Moving to Node #0,1 Current State: 22:[16, 58, 20], Operations: ['86-66=20'] Exploring Operation: 16+58=74, Resulting Numbers: [20, 74] Generated Node #0,1,0: 22:[20, 74] Operation: 16+58=74 Exploring Operation: 16+20=36, Resulting Numbers: [58, 36] Generated Node #0,1,1: 22:[58, 36] Operation: 16+20=36 Exploring Operation: 58-20=38, Resulting Numbers: [16, 38] Generated Node #0,1,2: 22:[16, 38] Operation: 58-20=38 Exploring Operation: 20-16=4, Resulting Numbers: [58, 4] Generated Node #0,1,3: 22:[58, 4] Operation: 20-16=4 Exploring Operation: 58-16=42, Resulting Numbers: [20, 42] Generated Node #0,1,4: 22:[20, 42] Operation: 58-16=42 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 22:[16, 38], Operations: ['86-66=20', '58-20=38'] Exploring Operation: 16*38=608, Resulting Numbers: [608] 608,22 unequal: No Solution Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[16, 66, 58, 86], Operations: [] Exploring Operation: 86-66=20, Resulting Numbers: [16, 58, 20] Generated Node #0,1: 22:[16, 58, 20] Operation: 86-66=20 Moving to Node #0,1 Current State: 22:[16, 58, 20], Operations: ['86-66=20'] Exploring Operation: 58-20=38, Resulting Numbers: [16, 38] Generated Node #0,1,2: 22:[16, 38] Operation: 58-20=38 Moving to Node #0,1,2 Current State: 22:[16, 38], Operations: ['86-66=20', '58-20=38'] Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 26, 3, 12, 49 ]
39
[ "26+49=75", "3*12=36", "75-36=39" ]
Current State: 39:[26, 3, 12, 49], Operations: [] Exploring Operation: 26+49=75, Resulting Numbers: [3, 12, 75] Generated Node #2: [3, 12, 75] from Operation: 26+49=75 Current State: 39:[3, 12, 75], Operations: ['26+49=75'] Exploring Operation: 3*12=36, Resulting Numbers: [75, 36] Generated Node #3: [75, 36] from Operation: 3*12=36 Current State: 39:[75, 36], Operations: ['26+49=75', '3*12=36'] Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[26, 3, 12, 49], Operations: [] Exploring Operation: 49-26=23, Resulting Numbers: [3, 12, 23] Generated Node #0,0: 39:[3, 12, 23] Operation: 49-26=23 Exploring Operation: 26+12=38, Resulting Numbers: [3, 49, 38] Generated Node #0,1: 39:[3, 49, 38] Operation: 26+12=38 Exploring Operation: 26-12=14, Resulting Numbers: [3, 49, 14] Generated Node #0,2: 39:[3, 49, 14] Operation: 26-12=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[3, 12, 23], Operations: ['49-26=23'] Exploring Operation: 12+23=35, Resulting Numbers: [3, 35] Generated Node #0,0,0: 39:[3, 35] Operation: 12+23=35 Exploring Operation: 23-12=11, Resulting Numbers: [3, 11] Generated Node #0,0,1: 39:[3, 11] Operation: 23-12=11 Exploring Operation: 23-3=20, Resulting Numbers: [12, 20] Generated Node #0,0,2: 39:[12, 20] Operation: 23-3=20 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 39:[3, 11], Operations: ['49-26=23', '23-12=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,39 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[3, 35], Operations: ['49-26=23', '12+23=35'] Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 3*35=105, Resulting Numbers: [105] 105,39 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[12, 20], Operations: ['49-26=23', '23-3=20'] Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 12*20=240, Resulting Numbers: [240] 240,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[3, 49, 38], Operations: ['26+12=38'] Exploring Operation: 3+38=41, Resulting Numbers: [49, 41] Generated Node #0,1,0: 39:[49, 41] Operation: 3+38=41 Exploring Operation: 49-3=46, Resulting Numbers: [38, 46] Generated Node #0,1,1: 39:[38, 46] Operation: 49-3=46 Exploring Operation: 49-38=11, Resulting Numbers: [3, 11] Generated Node #0,1,2: 39:[3, 11] Operation: 49-38=11 Moving to Node #0,1,2 Current State: 39:[3, 11], Operations: ['26+12=38', '49-38=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[38, 46], Operations: ['26+12=38', '49-3=46'] Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 38*46=1748, Resulting Numbers: [1748] 1748,39 unequal: No Solution Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[49, 41], Operations: ['26+12=38', '3+38=41'] Exploring Operation: 49+41=90, Resulting Numbers: [90] 90,39 unequal: No Solution Exploring Operation: 49-41=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 49*41=2009, Resulting Numbers: [2009] 2009,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[3, 49, 14], Operations: ['26-12=14'] Exploring Operation: 49-3=46, Resulting Numbers: [14, 46] Generated Node #0,2,0: 39:[14, 46] Operation: 49-3=46 Exploring Operation: 14-3=11, Resulting Numbers: [49, 11] Generated Node #0,2,1: 39:[49, 11] Operation: 14-3=11 Exploring Operation: 49-14=35, Resulting Numbers: [3, 35] Generated Node #0,2,2: 39:[3, 35] Operation: 49-14=35 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 39:[3, 35], Operations: ['26-12=14', '49-14=35'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,39 unequal: No Solution Exploring Operation: 3*35=105, Resulting Numbers: [105] 105,39 unequal: No Solution Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 39:[14, 46], Operations: ['26-12=14', '49-3=46'] Exploring Operation: 14*46=644, Resulting Numbers: [644] 644,39 unequal: No Solution Exploring Operation: 14+46=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 39:[49, 11], Operations: ['26-12=14', '14-3=11'] Exploring Operation: 49+11=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 49*11=539, Resulting Numbers: [539] 539,39 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 14, 43, 47, 75 ]
85
[ "14+43=57", "75-47=28", "57+28=85" ]
Current State: 85:[14, 43, 47, 75], Operations: [] Exploring Operation: 14+43=57, Resulting Numbers: [47, 75, 57] Generated Node #2: [47, 75, 57] from Operation: 14+43=57 Current State: 85:[47, 75, 57], Operations: ['14+43=57'] Exploring Operation: 75-47=28, Resulting Numbers: [57, 28] Generated Node #3: [57, 28] from Operation: 75-47=28 Current State: 85:[57, 28], Operations: ['14+43=57', '75-47=28'] Exploring Operation: 57+28=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[14, 43, 47, 75], Operations: [] Exploring Operation: 43+47=90, Resulting Numbers: [14, 75, 90] Generated Node #0,0: 85:[14, 75, 90] Operation: 43+47=90 Exploring Operation: 47-43=4, Resulting Numbers: [14, 75, 4] Generated Node #0,1: 85:[14, 75, 4] Operation: 47-43=4 Exploring Operation: 75-43=32, Resulting Numbers: [14, 47, 32] Generated Node #0,2: 85:[14, 47, 32] Operation: 75-43=32 Exploring Operation: 75-47=28, Resulting Numbers: [14, 43, 28] Generated Node #0,3: 85:[14, 43, 28] Operation: 75-47=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[14, 75, 4], Operations: ['47-43=4'] Exploring Operation: 14-4=10, Resulting Numbers: [75, 10] Generated Node #0,1,0: 85:[75, 10] Operation: 14-4=10 Exploring Operation: 14+4=18, Resulting Numbers: [75, 18] Generated Node #0,1,1: 85:[75, 18] Operation: 14+4=18 Exploring Operation: 75+4=79, Resulting Numbers: [14, 79] Generated Node #0,1,2: 85:[14, 79] Operation: 75+4=79 Exploring Operation: 14+75=89, Resulting Numbers: [4, 89] Generated Node #0,1,3: 85:[4, 89] Operation: 14+75=89 Moving to Node #0,1,3 Current State: 85:[4, 89], Operations: ['47-43=4', '14+75=89'] Exploring Operation: 4+89=93, Resulting Numbers: [93] 93,85 unequal: No Solution Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[14, 43, 47, 75], Operations: [] Exploring Operation: 47-43=4, Resulting Numbers: [14, 75, 4] Generated Node #0,1: 85:[14, 75, 4] Operation: 47-43=4 Moving to Node #0,1 Current State: 85:[14, 75, 4], Operations: ['47-43=4'] Exploring Operation: 14+75=89, Resulting Numbers: [4, 89] Generated Node #0,1,3: 85:[4, 89] Operation: 14+75=89 Moving to Node #0,1,3 Current State: 85:[4, 89], Operations: ['47-43=4', '14+75=89'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 18, 40, 76, 51 ]
49
[ "76-40=36", "36/18=2", "51-2=49" ]
Current State: 49:[18, 40, 76, 51], Operations: [] Exploring Operation: 76-40=36, Resulting Numbers: [18, 51, 36] Generated Node #2: [18, 51, 36] from Operation: 76-40=36 Current State: 49:[18, 51, 36], Operations: ['76-40=36'] Exploring Operation: 36/18=2, Resulting Numbers: [51, 2] Generated Node #3: [51, 2] from Operation: 36/18=2 Current State: 49:[51, 2], Operations: ['76-40=36', '36/18=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[18, 40, 76, 51], Operations: [] Exploring Operation: 76-18=58, Resulting Numbers: [40, 51, 58] Generated Node #0,0: 49:[40, 51, 58] Operation: 76-18=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[40, 51, 58], Operations: ['76-18=58'] Exploring Operation: 58-51=7, Resulting Numbers: [40, 7] Generated Node #0,0,0: 49:[40, 7] Operation: 58-51=7 Moving to Node #0,0,0 Current State: 49:[40, 7], Operations: ['76-18=58', '58-51=7'] Exploring Operation: 40+7=47, Resulting Numbers: [47] 47,49 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
[ 62, 18, 60, 30 ]
26
[ "18*60=1080", "1080/30=36", "62-36=26" ]
Current State: 26:[62, 18, 60, 30], Operations: [] Exploring Operation: 18*60=1080, Resulting Numbers: [62, 30, 1080] Generated Node #2: [62, 30, 1080] from Operation: 18*60=1080 Current State: 26:[62, 30, 1080], Operations: ['18*60=1080'] Exploring Operation: 1080/30=36, Resulting Numbers: [62, 36] Generated Node #3: [62, 36] from Operation: 1080/30=36 Current State: 26:[62, 36], Operations: ['18*60=1080', '1080/30=36'] Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[62, 18, 60, 30], Operations: [] Exploring Operation: 60/30=2, Resulting Numbers: [62, 18, 2] Generated Node #0,0: 26:[62, 18, 2] Operation: 60/30=2 Exploring Operation: 62-60=2, Resulting Numbers: [18, 30, 2] Generated Node #0,1: 26:[18, 30, 2] Operation: 62-60=2 Moving to Node #0,1 Current State: 26:[18, 30, 2], Operations: ['62-60=2'] Exploring Operation: 18-2=16, Resulting Numbers: [30, 16] Generated Node #0,1,0: 26:[30, 16] Operation: 18-2=16 Exploring Operation: 30-18=12, Resulting Numbers: [2, 12] Generated Node #0,1,1: 26:[2, 12] Operation: 30-18=12 Moving to Node #0,0 Current State: 26:[62, 18, 2], Operations: ['60/30=2'] Exploring Operation: 62-18=44, Resulting Numbers: [2, 44] Generated Node #0,0,0: 26:[2, 44] Operation: 62-18=44 Exploring Operation: 62/2=31, Resulting Numbers: [18, 31] Generated Node #0,0,1: 26:[18, 31] Operation: 62/2=31 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[18, 31], Operations: ['60/30=2', '62/2=31'] Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[2, 44], Operations: ['60/30=2', '62-18=44'] Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,26 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,26 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: 26:[2, 12], Operations: ['62-60=2', '30-18=12'] Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,26 unequal: No Solution Moving to Node #0,1,0 Current State: 26:[30, 16], Operations: ['62-60=2', '18-2=16'] Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,26 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,26 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 78, 2, 68, 23 ]
100
[ "78+68=146", "2*23=46", "146-46=100" ]
Current State: 100:[78, 2, 68, 23], Operations: [] Exploring Operation: 78+68=146, Resulting Numbers: [2, 23, 146] Generated Node #2: [2, 23, 146] from Operation: 78+68=146 Current State: 100:[2, 23, 146], Operations: ['78+68=146'] Exploring Operation: 2*23=46, Resulting Numbers: [146, 46] Generated Node #3: [146, 46] from Operation: 2*23=46 Current State: 100:[146, 46], Operations: ['78+68=146', '2*23=46'] Exploring Operation: 146-46=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[78, 2, 68, 23], Operations: [] Exploring Operation: 78-68=10, Resulting Numbers: [2, 23, 10] Generated Node #0,0: 100:[2, 23, 10] Operation: 78-68=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[2, 23, 10], Operations: ['78-68=10'] Exploring Operation: 2+23=25, Resulting Numbers: [10, 25] Generated Node #0,0,0: 100:[10, 25] Operation: 2+23=25 Moving to Node #0,0,0 Current State: 100:[10, 25], Operations: ['78-68=10', '2+23=25'] Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,100 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
[ 42, 51, 27, 71 ]
89
[ "51-42=9", "27+71=98", "98-9=89" ]
Current State: 89:[42, 51, 27, 71], Operations: [] Exploring Operation: 51-42=9, Resulting Numbers: [27, 71, 9] Generated Node #2: [27, 71, 9] from Operation: 51-42=9 Current State: 89:[27, 71, 9], Operations: ['51-42=9'] Exploring Operation: 27+71=98, Resulting Numbers: [9, 98] Generated Node #3: [9, 98] from Operation: 27+71=98 Current State: 89:[9, 98], Operations: ['51-42=9', '27+71=98'] Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[42, 51, 27, 71], Operations: [] Exploring Operation: 51+27=78, Resulting Numbers: [42, 71, 78] Generated Node #0,0: 89:[42, 71, 78] Operation: 51+27=78 Exploring Operation: 42+27=69, Resulting Numbers: [51, 71, 69] Generated Node #0,1: 89:[51, 71, 69] Operation: 42+27=69 Moving to Node #0,0 Current State: 89:[42, 71, 78], Operations: ['51+27=78'] Exploring Operation: 42+71=113, Resulting Numbers: [78, 113] Generated Node #0,0,0: 89:[78, 113] Operation: 42+71=113 Exploring Operation: 42+78=120, Resulting Numbers: [71, 120] Generated Node #0,0,1: 89:[71, 120] Operation: 42+78=120 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[78, 113], Operations: ['51+27=78', '42+71=113'] Exploring Operation: 113-78=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 78+113=191, Resulting Numbers: [191] 191,89 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 #0,0,1 Current State: 89:[71, 120], Operations: ['51+27=78', '42+78=120'] Exploring Operation: 71+120=191, Resulting Numbers: [191] 191,89 unequal: No Solution Exploring Operation: 120-71=49, Resulting Numbers: [49] 49,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 89:[51, 71, 69], Operations: ['42+27=69'] Exploring Operation: 51+71=122, Resulting Numbers: [69, 122] Generated Node #0,1,0: 89:[69, 122] Operation: 51+71=122 Exploring Operation: 51+69=120, Resulting Numbers: [71, 120] Generated Node #0,1,1: 89:[71, 120] Operation: 51+69=120 Moving to Node #0,1,1 Current State: 89:[71, 120], Operations: ['42+27=69', '51+69=120'] Exploring Operation: 120-71=49, Resulting Numbers: [49] 49,89 unequal: No Solution Exploring Operation: 71+120=191, Resulting Numbers: [191] 191,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[69, 122], Operations: ['42+27=69', '51+71=122'] Exploring Operation: 69+122=191, Resulting Numbers: [191] 191,89 unequal: No Solution Exploring Operation: 122-69=53, Resulting Numbers: [53] 53,89 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 65, 64, 25, 70 ]
46
[ "65-64=1", "70-25=45", "1+45=46" ]
Current State: 46:[65, 64, 25, 70], Operations: [] Exploring Operation: 65-64=1, Resulting Numbers: [25, 70, 1] Generated Node #2: [25, 70, 1] from Operation: 65-64=1 Current State: 46:[25, 70, 1], Operations: ['65-64=1'] Exploring Operation: 70-25=45, Resulting Numbers: [1, 45] Generated Node #3: [1, 45] from Operation: 70-25=45 Current State: 46:[1, 45], Operations: ['65-64=1', '70-25=45'] Exploring Operation: 1+45=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[65, 64, 25, 70], Operations: [] Exploring Operation: 70-65=5, Resulting Numbers: [64, 25, 5] Generated Node #0,0: 46:[64, 25, 5] Operation: 70-65=5 Exploring Operation: 70-64=6, Resulting Numbers: [65, 25, 6] Generated Node #0,1: 46:[65, 25, 6] Operation: 70-64=6 Exploring Operation: 65-64=1, Resulting Numbers: [25, 70, 1] Generated Node #0,2: 46:[25, 70, 1] Operation: 65-64=1 Exploring Operation: 70-25=45, Resulting Numbers: [65, 64, 45] Generated Node #0,3: 46:[65, 64, 45] Operation: 70-25=45 Exploring Operation: 65-25=40, Resulting Numbers: [64, 70, 40] Generated Node #0,4: 46:[64, 70, 40] Operation: 65-25=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[64, 25, 5], Operations: ['70-65=5'] Exploring Operation: 64-5=59, Resulting Numbers: [25, 59] Generated Node #0,0,0: 46:[25, 59] Operation: 64-5=59 Exploring Operation: 25/5=5, Resulting Numbers: [64, 5] Generated Node #0,0,1: 46:[64, 5] Operation: 25/5=5 Exploring Operation: 64-25=39, Resulting Numbers: [5, 39] Generated Node #0,0,2: 46:[5, 39] Operation: 64-25=39 Exploring Operation: 64+5=69, Resulting Numbers: [25, 69] Generated Node #0,0,3: 46:[25, 69] Operation: 64+5=69 Exploring Operation: 25-5=20, Resulting Numbers: [64, 20] Generated Node #0,0,4: 46:[64, 20] Operation: 25-5=20 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 46:[5, 39], Operations: ['70-65=5', '64-25=39'] Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,46 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 5+39=44, Resulting Numbers: [44] 44,46 unequal: No Solution No 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: 46:[25, 59], Operations: ['70-65=5', '64-5=59'] Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 25+59=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 25*59=1475, Resulting Numbers: [1475] 1475,46 unequal: No Solution No 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: 46:[64, 5], Operations: ['70-65=5', '25/5=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,46 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 64*5=320, Resulting Numbers: [320] 320,46 unequal: No Solution No 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: 46:[64, 20], Operations: ['70-65=5', '25-5=20'] Exploring Operation: 64+20=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 64*20=1280, Resulting Numbers: [1280] 1280,46 unequal: No Solution No 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: 46:[25, 69], Operations: ['70-65=5', '64+5=69'] Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 25+69=94, Resulting Numbers: [94] 94,46 unequal: No Solution Exploring Operation: 25*69=1725, Resulting Numbers: [1725] 1725,46 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: 46:[65, 25, 6], Operations: ['70-64=6'] Exploring Operation: 25+6=31, Resulting Numbers: [65, 31] Generated Node #0,1,0: 46:[65, 31] Operation: 25+6=31 Exploring Operation: 65+6=71, Resulting Numbers: [25, 71] Generated Node #0,1,1: 46:[25, 71] Operation: 65+6=71 Exploring Operation: 65-25=40, Resulting Numbers: [6, 40] Generated Node #0,1,2: 46:[6, 40] Operation: 65-25=40 Exploring Operation: 25-6=19, Resulting Numbers: [65, 19] Generated Node #0,1,3: 46:[65, 19] Operation: 25-6=19 Exploring Operation: 65-6=59, Resulting Numbers: [25, 59] Generated Node #0,1,4: 46:[25, 59] Operation: 65-6=59 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 46:[6, 40], Operations: ['70-64=6', '65-25=40'] Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[65, 64, 25, 70], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [65, 25, 6] Generated Node #0,1: 46:[65, 25, 6] Operation: 70-64=6 Moving to Node #0,1 Current State: 46:[65, 25, 6], Operations: ['70-64=6'] Exploring Operation: 65-25=40, Resulting Numbers: [6, 40] Generated Node #0,1,2: 46:[6, 40] Operation: 65-25=40 Moving to Node #0,1,2 Current State: 46:[6, 40], Operations: ['70-64=6', '65-25=40'] Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_5
sum_heuristic
[ 39, 57, 50, 54 ]
33
[ "50-39=11", "57-54=3", "11*3=33" ]
Current State: 33:[39, 57, 50, 54], Operations: [] Exploring Operation: 50-39=11, Resulting Numbers: [57, 54, 11] Generated Node #2: [57, 54, 11] from Operation: 50-39=11 Current State: 33:[57, 54, 11], Operations: ['50-39=11'] Exploring Operation: 57-54=3, Resulting Numbers: [11, 3] Generated Node #3: [11, 3] from Operation: 57-54=3 Current State: 33:[11, 3], Operations: ['50-39=11', '57-54=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[39, 57, 50, 54], Operations: [] Exploring Operation: 57-54=3, Resulting Numbers: [39, 50, 3] Generated Node #0,0: 33:[39, 50, 3] Operation: 57-54=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[39, 50, 3], Operations: ['57-54=3'] Exploring Operation: 50-39=11, Resulting Numbers: [3, 11] Generated Node #0,0,0: 33:[3, 11] Operation: 50-39=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[3, 11], Operations: ['57-54=3', '50-39=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[39, 57, 50, 54], Operations: [] Exploring Operation: 57-54=3, Resulting Numbers: [39, 50, 3] Generated Node #0,0: 33:[39, 50, 3] Operation: 57-54=3 Moving to Node #0,0 Current State: 33:[39, 50, 3], Operations: ['57-54=3'] Exploring Operation: 50-39=11, Resulting Numbers: [3, 11] Generated Node #0,0,0: 33:[3, 11] Operation: 50-39=11 Moving to Node #0,0,0 Current State: 33:[3, 11], Operations: ['57-54=3', '50-39=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 75, 30, 26, 32 ]
47
[ "75+30=105", "26+32=58", "105-58=47" ]
Current State: 47:[75, 30, 26, 32], Operations: [] Exploring Operation: 75+30=105, Resulting Numbers: [26, 32, 105] Generated Node #2: [26, 32, 105] from Operation: 75+30=105 Current State: 47:[26, 32, 105], Operations: ['75+30=105'] Exploring Operation: 26+32=58, Resulting Numbers: [105, 58] Generated Node #3: [105, 58] from Operation: 26+32=58 Current State: 47:[105, 58], Operations: ['75+30=105', '26+32=58'] Exploring Operation: 105-58=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[75, 30, 26, 32], Operations: [] Exploring Operation: 75-32=43, Resulting Numbers: [30, 26, 43] Generated Node #0,0: 47:[30, 26, 43] Operation: 75-32=43 Exploring Operation: 75-30=45, Resulting Numbers: [26, 32, 45] Generated Node #0,1: 47:[26, 32, 45] Operation: 75-30=45 Exploring Operation: 75-26=49, Resulting Numbers: [30, 32, 49] Generated Node #0,2: 47:[30, 32, 49] Operation: 75-26=49 Exploring Operation: 30+26=56, Resulting Numbers: [75, 32, 56] Generated Node #0,3: 47:[75, 32, 56] Operation: 30+26=56 Moving to Node #0,2 Current State: 47:[30, 32, 49], Operations: ['75-26=49'] Exploring Operation: 30+32=62, Resulting Numbers: [49, 62] Generated Node #0,2,0: 47:[49, 62] Operation: 30+32=62 Exploring Operation: 30+49=79, Resulting Numbers: [32, 79] Generated Node #0,2,1: 47:[32, 79] Operation: 30+49=79 Exploring Operation: 32-30=2, Resulting Numbers: [49, 2] Generated Node #0,2,2: 47:[49, 2] Operation: 32-30=2 Exploring Operation: 49-30=19, Resulting Numbers: [32, 19] Generated Node #0,2,3: 47:[32, 19] Operation: 49-30=19 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[49, 62], Operations: ['75-26=49', '30+32=62'] Exploring Operation: 62-49=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 49*62=3038, Resulting Numbers: [3038] 3038,47 unequal: No Solution Exploring Operation: 49+62=111, Resulting Numbers: [111] 111,47 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 #0,2,3 Current State: 47:[32, 19], Operations: ['75-26=49', '49-30=19'] Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,47 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,47 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:[32, 79], Operations: ['75-26=49', '30+49=79'] Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[75, 30, 26, 32], Operations: [] Exploring Operation: 75-26=49, Resulting Numbers: [30, 32, 49] Generated Node #0,2: 47:[30, 32, 49] Operation: 75-26=49 Moving to Node #0,2 Current State: 47:[30, 32, 49], Operations: ['75-26=49'] Exploring Operation: 30+49=79, Resulting Numbers: [32, 79] Generated Node #0,2,1: 47:[32, 79] Operation: 30+49=79 Moving to Node #0,2,1 Current State: 47:[32, 79], Operations: ['75-26=49', '30+49=79'] Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 17, 19, 8, 51 ]
21
[ "51-19=32", "32/8=4", "17+4=21" ]
Current State: 21:[17, 19, 8, 51], Operations: [] Exploring Operation: 51-19=32, Resulting Numbers: [17, 8, 32] Generated Node #2: [17, 8, 32] from Operation: 51-19=32 Current State: 21:[17, 8, 32], Operations: ['51-19=32'] Exploring Operation: 32/8=4, Resulting Numbers: [17, 4] Generated Node #3: [17, 4] from Operation: 32/8=4 Current State: 21:[17, 4], Operations: ['51-19=32', '32/8=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[17, 19, 8, 51], Operations: [] Exploring Operation: 51-19=32, Resulting Numbers: [17, 8, 32] Generated Node #0,0: 21:[17, 8, 32] Operation: 51-19=32 Exploring Operation: 51-17=34, Resulting Numbers: [19, 8, 34] Generated Node #0,1: 21:[19, 8, 34] Operation: 51-17=34 Exploring Operation: 51/17=3, Resulting Numbers: [19, 8, 3] Generated Node #0,2: 21:[19, 8, 3] Operation: 51/17=3 Exploring Operation: 51-8=43, Resulting Numbers: [17, 19, 43] Generated Node #0,3: 21:[17, 19, 43] Operation: 51-8=43 Moving to Node #0,2 Current State: 21:[19, 8, 3], Operations: ['51/17=3'] Exploring Operation: 8-3=5, Resulting Numbers: [19, 5] Generated Node #0,2,0: 21:[19, 5] Operation: 8-3=5 Exploring Operation: 19-8=11, Resulting Numbers: [3, 11] Generated Node #0,2,1: 21:[3, 11] Operation: 19-8=11 Exploring Operation: 19+3=22, Resulting Numbers: [8, 22] Generated Node #0,2,2: 21:[8, 22] Operation: 19+3=22 Exploring Operation: 8*3=24, Resulting Numbers: [19, 24] Generated Node #0,2,3: 21:[19, 24] Operation: 8*3=24 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 21:[8, 22], Operations: ['51/17=3', '19+3=22'] Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,21 unequal: No Solution Exploring Operation: 8*22=176, Resulting Numbers: [176] 176,21 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 21:[19, 5], Operations: ['51/17=3', '8-3=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,21 unequal: No Solution Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,21 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 21:[3, 11], Operations: ['51/17=3', '19-8=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,21 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,21 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 21:[19, 24], Operations: ['51/17=3', '8*3=24'] Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,21 unequal: No Solution Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,21 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 21:[19, 8, 34], Operations: ['51-17=34'] Exploring Operation: 19-8=11, Resulting Numbers: [34, 11] Generated Node #0,1,0: 21:[34, 11] Operation: 19-8=11 Exploring Operation: 34-8=26, Resulting Numbers: [19, 26] Generated Node #0,1,1: 21:[19, 26] Operation: 34-8=26 Exploring Operation: 19+8=27, Resulting Numbers: [34, 27] Generated Node #0,1,2: 21:[34, 27] Operation: 19+8=27 Exploring Operation: 34-19=15, Resulting Numbers: [8, 15] Generated Node #0,1,3: 21:[8, 15] Operation: 34-19=15 Moving to Node #0,0 Current State: 21:[17, 8, 32], Operations: ['51-19=32'] Exploring Operation: 32/8=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 21:[17, 4] Operation: 32/8=4 Exploring Operation: 17-8=9, Resulting Numbers: [32, 9] Generated Node #0,0,1: 21:[32, 9] Operation: 17-8=9 Exploring Operation: 32-17=15, Resulting Numbers: [8, 15] Generated Node #0,0,2: 21:[8, 15] Operation: 32-17=15 Exploring Operation: 32-8=24, Resulting Numbers: [17, 24] Generated Node #0,0,3: 21:[17, 24] Operation: 32-8=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[17, 4], Operations: ['51-19=32', '32/8=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[17, 19, 8, 51], Operations: [] Exploring Operation: 51-19=32, Resulting Numbers: [17, 8, 32] Generated Node #0,0: 21:[17, 8, 32] Operation: 51-19=32 Moving to Node #0,0 Current State: 21:[17, 8, 32], Operations: ['51-19=32'] Exploring Operation: 32/8=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 21:[17, 4] Operation: 32/8=4 Moving to Node #0,0,0 Current State: 21:[17, 4], Operations: ['51-19=32', '32/8=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 3, 30, 13, 25 ]
15
[ "30-3=27", "25-13=12", "27-12=15" ]
Current State: 15:[3, 30, 13, 25], Operations: [] Exploring Operation: 30-3=27, Resulting Numbers: [13, 25, 27] Generated Node #2: [13, 25, 27] from Operation: 30-3=27 Current State: 15:[13, 25, 27], Operations: ['30-3=27'] Exploring Operation: 25-13=12, Resulting Numbers: [27, 12] Generated Node #3: [27, 12] from Operation: 25-13=12 Current State: 15:[27, 12], Operations: ['30-3=27', '25-13=12'] Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[3, 30, 13, 25], Operations: [] Exploring Operation: 30-25=5, Resulting Numbers: [3, 13, 5] Generated Node #0,0: 15:[3, 13, 5] Operation: 30-25=5 Exploring Operation: 25-13=12, Resulting Numbers: [3, 30, 12] Generated Node #0,1: 15:[3, 30, 12] Operation: 25-13=12 Exploring Operation: 30/3=10, Resulting Numbers: [13, 25, 10] Generated Node #0,2: 15:[13, 25, 10] Operation: 30/3=10 Exploring Operation: 30-13=17, Resulting Numbers: [3, 25, 17] Generated Node #0,3: 15:[3, 25, 17] Operation: 30-13=17 Moving to Node #0,0 Current State: 15:[3, 13, 5], Operations: ['30-25=5'] Exploring Operation: 13+5=18, Resulting Numbers: [3, 18] Generated Node #0,0,0: 15:[3, 18] Operation: 13+5=18 Exploring Operation: 3+13=16, Resulting Numbers: [5, 16] Generated Node #0,0,1: 15:[5, 16] Operation: 3+13=16 Exploring Operation: 3*5=15, Resulting Numbers: [13, 15] Generated Node #0,0,2: 15:[13, 15] Operation: 3*5=15 Exploring Operation: 5-3=2, Resulting Numbers: [13, 2] Generated Node #0,0,3: 15:[13, 2] Operation: 5-3=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[5, 16], Operations: ['30-25=5', '3+13=16'] Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,15 unequal: No Solution Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,15 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,15 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:[13, 15], Operations: ['30-25=5', '3*5=15'] Exploring Operation: 13*15=195, Resulting Numbers: [195] 195,15 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,15 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 #0,0,0 Current State: 15:[3, 18], Operations: ['30-25=5', '13+5=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[3, 30, 13, 25], Operations: [] Exploring Operation: 30-25=5, Resulting Numbers: [3, 13, 5] Generated Node #0,0: 15:[3, 13, 5] Operation: 30-25=5 Moving to Node #0,0 Current State: 15:[3, 13, 5], Operations: ['30-25=5'] Exploring Operation: 13+5=18, Resulting Numbers: [3, 18] Generated Node #0,0,0: 15:[3, 18] Operation: 13+5=18 Moving to Node #0,0,0 Current State: 15:[3, 18], Operations: ['30-25=5', '13+5=18'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 15, 83, 87, 93 ]
92
[ "15+83=98", "93-87=6", "98-6=92" ]
Current State: 92:[15, 83, 87, 93], Operations: [] Exploring Operation: 15+83=98, Resulting Numbers: [87, 93, 98] Generated Node #2: [87, 93, 98] from Operation: 15+83=98 Current State: 92:[87, 93, 98], Operations: ['15+83=98'] Exploring Operation: 93-87=6, Resulting Numbers: [98, 6] Generated Node #3: [98, 6] from Operation: 93-87=6 Current State: 92:[98, 6], Operations: ['15+83=98', '93-87=6'] Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[15, 83, 87, 93], Operations: [] Exploring Operation: 15+87=102, Resulting Numbers: [83, 93, 102] Generated Node #0,0: 92:[83, 93, 102] Operation: 15+87=102 Exploring Operation: 87-83=4, Resulting Numbers: [15, 93, 4] Generated Node #0,1: 92:[15, 93, 4] Operation: 87-83=4 Exploring Operation: 15+83=98, Resulting Numbers: [87, 93, 98] Generated Node #0,2: 92:[87, 93, 98] Operation: 15+83=98 Exploring Operation: 93-87=6, Resulting Numbers: [15, 83, 6] Generated Node #0,3: 92:[15, 83, 6] Operation: 93-87=6 Exploring Operation: 93-83=10, Resulting Numbers: [15, 87, 10] Generated Node #0,4: 92:[15, 87, 10] Operation: 93-83=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[15, 93, 4], Operations: ['87-83=4'] Exploring Operation: 15-4=11, Resulting Numbers: [93, 11] Generated Node #0,1,0: 92:[93, 11] Operation: 15-4=11 Exploring Operation: 93-4=89, Resulting Numbers: [15, 89] Generated Node #0,1,1: 92:[15, 89] Operation: 93-4=89 Exploring Operation: 15+4=19, Resulting Numbers: [93, 19] Generated Node #0,1,2: 92:[93, 19] Operation: 15+4=19 Exploring Operation: 93-15=78, Resulting Numbers: [4, 78] Generated Node #0,1,3: 92:[4, 78] Operation: 93-15=78 Exploring Operation: 93+4=97, Resulting Numbers: [15, 97] Generated Node #0,1,4: 92:[15, 97] Operation: 93+4=97 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 92:[93, 19], Operations: ['87-83=4', '15+4=19'] Exploring Operation: 93+19=112, Resulting Numbers: [112] 112,92 unequal: No Solution Exploring Operation: 93-19=74, Resulting Numbers: [74] 74,92 unequal: No Solution Exploring Operation: 93*19=1767, Resulting Numbers: [1767] 1767,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[93, 11], Operations: ['87-83=4', '15-4=11'] Exploring Operation: 93*11=1023, Resulting Numbers: [1023] 1023,92 unequal: No Solution Exploring Operation: 93+11=104, Resulting Numbers: [104] 104,92 unequal: No Solution Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 92:[15, 89], Operations: ['87-83=4', '93-4=89'] Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,92 unequal: No Solution Exploring Operation: 15*89=1335, Resulting Numbers: [1335] 1335,92 unequal: No Solution Exploring Operation: 15+89=104, Resulting Numbers: [104] 104,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 92:[15, 97], Operations: ['87-83=4', '93+4=97'] Exploring Operation: 15+97=112, Resulting Numbers: [112] 112,92 unequal: No Solution Exploring Operation: 97-15=82, Resulting Numbers: [82] 82,92 unequal: No Solution Exploring Operation: 15*97=1455, Resulting Numbers: [1455] 1455,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 92:[4, 78], Operations: ['87-83=4', '93-15=78'] Exploring Operation: 4*78=312, Resulting Numbers: [312] 312,92 unequal: No Solution Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,92 unequal: No Solution Exploring Operation: 4+78=82, Resulting Numbers: [82] 82,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[87, 93, 98], Operations: ['15+83=98'] Exploring Operation: 98-87=11, Resulting Numbers: [93, 11] Generated Node #0,2,0: 92:[93, 11] Operation: 98-87=11 Exploring Operation: 98-93=5, Resulting Numbers: [87, 5] Generated Node #0,2,1: 92:[87, 5] Operation: 98-93=5 Exploring Operation: 87+98=185, Resulting Numbers: [93, 185] Generated Node #0,2,2: 92:[93, 185] Operation: 87+98=185 Exploring Operation: 93-87=6, Resulting Numbers: [98, 6] Generated Node #0,2,3: 92:[98, 6] Operation: 93-87=6 Exploring Operation: 87+93=180, Resulting Numbers: [98, 180] Generated Node #0,2,4: 92:[98, 180] Operation: 87+93=180 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 92:[87, 5], Operations: ['15+83=98', '98-93=5'] Exploring Operation: 87*5=435, Resulting Numbers: [435] 435,92 unequal: No Solution Exploring Operation: 87-5=82, Resulting Numbers: [82] 82,92 unequal: No Solution Exploring Operation: 87+5=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[15, 83, 87, 93], Operations: [] Exploring Operation: 15+83=98, Resulting Numbers: [87, 93, 98] Generated Node #0,2: 92:[87, 93, 98] Operation: 15+83=98 Moving to Node #0,2 Current State: 92:[87, 93, 98], Operations: ['15+83=98'] Exploring Operation: 98-93=5, Resulting Numbers: [87, 5] Generated Node #0,2,1: 92:[87, 5] Operation: 98-93=5 Moving to Node #0,2,1 Current State: 92:[87, 5], Operations: ['15+83=98', '98-93=5'] Exploring Operation: 87+5=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 99, 60, 5, 41 ]
70
[ "99-41=58", "60/5=12", "58+12=70" ]
Current State: 70:[99, 60, 5, 41], Operations: [] Exploring Operation: 99-41=58, Resulting Numbers: [60, 5, 58] Generated Node #2: [60, 5, 58] from Operation: 99-41=58 Current State: 70:[60, 5, 58], Operations: ['99-41=58'] Exploring Operation: 60/5=12, Resulting Numbers: [58, 12] Generated Node #3: [58, 12] from Operation: 60/5=12 Current State: 70:[58, 12], Operations: ['99-41=58', '60/5=12'] Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[99, 60, 5, 41], Operations: [] Exploring Operation: 99-60=39, Resulting Numbers: [5, 41, 39] Generated Node #0,0: 70:[5, 41, 39] Operation: 99-60=39 Exploring Operation: 99-41=58, Resulting Numbers: [60, 5, 58] Generated Node #0,1: 70:[60, 5, 58] Operation: 99-41=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[5, 41, 39], Operations: ['99-60=39'] Exploring Operation: 41-5=36, Resulting Numbers: [39, 36] Generated Node #0,0,0: 70:[39, 36] Operation: 41-5=36 Exploring Operation: 41-39=2, Resulting Numbers: [5, 2] Generated Node #0,0,1: 70:[5, 2] Operation: 41-39=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 70:[5, 2], Operations: ['99-60=39', '41-39=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,70 unequal: No Solution Exploring Operation: 5*2=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 #0,0,0 Current State: 70:[39, 36], Operations: ['99-60=39', '41-5=36'] Exploring Operation: 39+36=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,70 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:[60, 5, 58], Operations: ['99-41=58'] Exploring Operation: 60-58=2, Resulting Numbers: [5, 2] Generated Node #0,1,0: 70:[5, 2] Operation: 60-58=2 Exploring Operation: 60/5=12, Resulting Numbers: [58, 12] Generated Node #0,1,1: 70:[58, 12] Operation: 60/5=12 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 70:[5, 2], Operations: ['99-41=58', '60-58=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,70 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:[58, 12], Operations: ['99-41=58', '60/5=12'] Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,70 unequal: No Solution Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[99, 60, 5, 41], Operations: [] Exploring Operation: 99-41=58, Resulting Numbers: [60, 5, 58] Generated Node #0,1: 70:[60, 5, 58] Operation: 99-41=58 Moving to Node #0,1 Current State: 70:[60, 5, 58], Operations: ['99-41=58'] Exploring Operation: 60/5=12, Resulting Numbers: [58, 12] Generated Node #0,1,1: 70:[58, 12] Operation: 60/5=12 Moving to Node #0,1,1 Current State: 70:[58, 12], Operations: ['99-41=58', '60/5=12'] Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_2
mult_heuristic
[ 80, 61, 2, 55 ]
18
[ "80-61=19", "55-19=36", "36/2=18" ]
Current State: 18:[80, 61, 2, 55], Operations: [] Exploring Operation: 80-61=19, Resulting Numbers: [2, 55, 19] Generated Node #2: [2, 55, 19] from Operation: 80-61=19 Current State: 18:[2, 55, 19], Operations: ['80-61=19'] Exploring Operation: 55-19=36, Resulting Numbers: [2, 36] Generated Node #3: [2, 36] from Operation: 55-19=36 Current State: 18:[2, 36], Operations: ['80-61=19', '55-19=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[80, 61, 2, 55], Operations: [] Exploring Operation: 80/2=40, Resulting Numbers: [61, 55, 40] Generated Node #0,0: 18:[61, 55, 40] Operation: 80/2=40 Exploring Operation: 80-55=25, Resulting Numbers: [61, 2, 25] Generated Node #0,1: 18:[61, 2, 25] Operation: 80-55=25 Exploring Operation: 61-55=6, Resulting Numbers: [80, 2, 6] Generated Node #0,2: 18:[80, 2, 6] Operation: 61-55=6 Exploring Operation: 80-61=19, Resulting Numbers: [2, 55, 19] Generated Node #0,3: 18:[2, 55, 19] Operation: 80-61=19 Moving to Node #0,3 Current State: 18:[2, 55, 19], Operations: ['80-61=19'] Exploring Operation: 55-19=36, Resulting Numbers: [2, 36] Generated Node #0,3,0: 18:[2, 36] Operation: 55-19=36 Exploring Operation: 19-2=17, Resulting Numbers: [55, 17] Generated Node #0,3,1: 18:[55, 17] Operation: 19-2=17 Exploring Operation: 2+55=57, Resulting Numbers: [19, 57] Generated Node #0,3,2: 18:[19, 57] Operation: 2+55=57 Exploring Operation: 55-2=53, Resulting Numbers: [19, 53] Generated Node #0,3,3: 18:[19, 53] Operation: 55-2=53 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 18:[2, 36], Operations: ['80-61=19', '55-19=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[80, 61, 2, 55], Operations: [] Exploring Operation: 80-61=19, Resulting Numbers: [2, 55, 19] Generated Node #0,3: 18:[2, 55, 19] Operation: 80-61=19 Moving to Node #0,3 Current State: 18:[2, 55, 19], Operations: ['80-61=19'] Exploring Operation: 55-19=36, Resulting Numbers: [2, 36] Generated Node #0,3,0: 18:[2, 36] Operation: 55-19=36 Moving to Node #0,3,0 Current State: 18:[2, 36], Operations: ['80-61=19', '55-19=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 70, 27, 89, 79 ]
92
[ "79-70=9", "27/9=3", "89+3=92" ]
Current State: 92:[70, 27, 89, 79], Operations: [] Exploring Operation: 79-70=9, Resulting Numbers: [27, 89, 9] Generated Node #2: [27, 89, 9] from Operation: 79-70=9 Current State: 92:[27, 89, 9], Operations: ['79-70=9'] Exploring Operation: 27/9=3, Resulting Numbers: [89, 3] Generated Node #3: [89, 3] from Operation: 27/9=3 Current State: 92:[89, 3], Operations: ['79-70=9', '27/9=3'] Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[70, 27, 89, 79], Operations: [] Exploring Operation: 70-27=43, Resulting Numbers: [89, 79, 43] Generated Node #0,0: 92:[89, 79, 43] Operation: 70-27=43 Exploring Operation: 79-70=9, Resulting Numbers: [27, 89, 9] Generated Node #0,1: 92:[27, 89, 9] Operation: 79-70=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[27, 89, 9], Operations: ['79-70=9'] Exploring Operation: 27/9=3, Resulting Numbers: [89, 3] Generated Node #0,1,0: 92:[89, 3] Operation: 27/9=3 Exploring Operation: 27-9=18, Resulting Numbers: [89, 18] Generated Node #0,1,1: 92:[89, 18] Operation: 27-9=18 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[89, 3], Operations: ['79-70=9', '27/9=3'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,92 unequal: No Solution Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[70, 27, 89, 79], Operations: [] Exploring Operation: 79-70=9, Resulting Numbers: [27, 89, 9] Generated Node #0,1: 92:[27, 89, 9] Operation: 79-70=9 Moving to Node #0,1 Current State: 92:[27, 89, 9], Operations: ['79-70=9'] Exploring Operation: 27/9=3, Resulting Numbers: [89, 3] Generated Node #0,1,0: 92:[89, 3] Operation: 27/9=3 Moving to Node #0,1,0 Current State: 92:[89, 3], Operations: ['79-70=9', '27/9=3'] Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 72, 37, 22, 31 ]
100
[ "72+37=109", "31-22=9", "109-9=100" ]
Current State: 100:[72, 37, 22, 31], Operations: [] Exploring Operation: 72+37=109, Resulting Numbers: [22, 31, 109] Generated Node #2: [22, 31, 109] from Operation: 72+37=109 Current State: 100:[22, 31, 109], Operations: ['72+37=109'] Exploring Operation: 31-22=9, Resulting Numbers: [109, 9] Generated Node #3: [109, 9] from Operation: 31-22=9 Current State: 100:[109, 9], Operations: ['72+37=109', '31-22=9'] Exploring Operation: 109-9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[72, 37, 22, 31], Operations: [] Exploring Operation: 72+37=109, Resulting Numbers: [22, 31, 109] Generated Node #0,0: 100:[22, 31, 109] Operation: 72+37=109 Exploring Operation: 72-37=35, Resulting Numbers: [22, 31, 35] Generated Node #0,1: 100:[22, 31, 35] Operation: 72-37=35 Exploring Operation: 72+31=103, Resulting Numbers: [37, 22, 103] Generated Node #0,2: 100:[37, 22, 103] Operation: 72+31=103 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[22, 31, 109], Operations: ['72+37=109'] Exploring Operation: 109-22=87, Resulting Numbers: [31, 87] Generated Node #0,0,0: 100:[31, 87] Operation: 109-22=87 Exploring Operation: 31-22=9, Resulting Numbers: [109, 9] Generated Node #0,0,1: 100:[109, 9] Operation: 31-22=9 Exploring Operation: 22+31=53, Resulting Numbers: [109, 53] Generated Node #0,0,2: 100:[109, 53] Operation: 22+31=53 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 100:[109, 9], Operations: ['72+37=109', '31-22=9'] Exploring Operation: 109+9=118, Resulting Numbers: [118] 118,100 unequal: No Solution Exploring Operation: 109*9=981, Resulting Numbers: [981] 981,100 unequal: No Solution Exploring Operation: 109-9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[72, 37, 22, 31], Operations: [] Exploring Operation: 72+37=109, Resulting Numbers: [22, 31, 109] Generated Node #0,0: 100:[22, 31, 109] Operation: 72+37=109 Moving to Node #0,0 Current State: 100:[22, 31, 109], Operations: ['72+37=109'] Exploring Operation: 31-22=9, Resulting Numbers: [109, 9] Generated Node #0,0,1: 100:[109, 9] Operation: 31-22=9 Moving to Node #0,0,1 Current State: 100:[109, 9], Operations: ['72+37=109', '31-22=9'] Exploring Operation: 109-9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 2, 62, 18, 43 ]
74
[ "62+18=80", "80-43=37", "2*37=74" ]
Current State: 74:[2, 62, 18, 43], Operations: [] Exploring Operation: 62+18=80, Resulting Numbers: [2, 43, 80] Generated Node #2: [2, 43, 80] from Operation: 62+18=80 Current State: 74:[2, 43, 80], Operations: ['62+18=80'] Exploring Operation: 80-43=37, Resulting Numbers: [2, 37] Generated Node #3: [2, 37] from Operation: 80-43=37 Current State: 74:[2, 37], Operations: ['62+18=80', '80-43=37'] Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[2, 62, 18, 43], Operations: [] Exploring Operation: 2*18=36, Resulting Numbers: [62, 43, 36] Generated Node #0,0: 74:[62, 43, 36] Operation: 2*18=36 Exploring Operation: 62+18=80, Resulting Numbers: [2, 43, 80] Generated Node #0,1: 74:[2, 43, 80] Operation: 62+18=80 Exploring Operation: 62-18=44, Resulting Numbers: [2, 43, 44] Generated Node #0,2: 74:[2, 43, 44] Operation: 62-18=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[2, 43, 80], Operations: ['62+18=80'] Exploring Operation: 80/2=40, Resulting Numbers: [43, 40] Generated Node #0,1,0: 74:[43, 40] Operation: 80/2=40 Exploring Operation: 43-2=41, Resulting Numbers: [80, 41] Generated Node #0,1,1: 74:[80, 41] Operation: 43-2=41 Exploring Operation: 80-43=37, Resulting Numbers: [2, 37] Generated Node #0,1,2: 74:[2, 37] Operation: 80-43=37 Moving to Node #0,1,2 Current State: 74:[2, 37], Operations: ['62+18=80', '80-43=37'] Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,74 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[2, 62, 18, 43], Operations: [] Exploring Operation: 62+18=80, Resulting Numbers: [2, 43, 80] Generated Node #0,1: 74:[2, 43, 80] Operation: 62+18=80 Moving to Node #0,1 Current State: 74:[2, 43, 80], Operations: ['62+18=80'] Exploring Operation: 80-43=37, Resulting Numbers: [2, 37] Generated Node #0,1,2: 74:[2, 37] Operation: 80-43=37 Moving to Node #0,1,2 Current State: 74:[2, 37], Operations: ['62+18=80', '80-43=37'] Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 11, 24, 42, 2 ]
65
[ "11+42=53", "24/2=12", "53+12=65" ]
Current State: 65:[11, 24, 42, 2], Operations: [] Exploring Operation: 11+42=53, Resulting Numbers: [24, 2, 53] Generated Node #2: [24, 2, 53] from Operation: 11+42=53 Current State: 65:[24, 2, 53], Operations: ['11+42=53'] Exploring Operation: 24/2=12, Resulting Numbers: [53, 12] Generated Node #3: [53, 12] from Operation: 24/2=12 Current State: 65:[53, 12], Operations: ['11+42=53', '24/2=12'] Exploring Operation: 53+12=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[11, 24, 42, 2], Operations: [] Exploring Operation: 42-24=18, Resulting Numbers: [11, 2, 18] Generated Node #0,0: 65:[11, 2, 18] Operation: 42-24=18 Exploring Operation: 24-11=13, Resulting Numbers: [42, 2, 13] Generated Node #0,1: 65:[42, 2, 13] Operation: 24-11=13 Exploring Operation: 24+42=66, Resulting Numbers: [11, 2, 66] Generated Node #0,2: 65:[11, 2, 66] Operation: 24+42=66 Exploring Operation: 42/2=21, Resulting Numbers: [11, 24, 21] Generated Node #0,3: 65:[11, 24, 21] Operation: 42/2=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[11, 2, 66], Operations: ['24+42=66'] Exploring Operation: 11+2=13, Resulting Numbers: [66, 13] Generated Node #0,2,0: 65:[66, 13] Operation: 11+2=13 Exploring Operation: 66/11=6, Resulting Numbers: [2, 6] Generated Node #0,2,1: 65:[2, 6] Operation: 66/11=6 Exploring Operation: 66-2=64, Resulting Numbers: [11, 64] Generated Node #0,2,2: 65:[11, 64] Operation: 66-2=64 Exploring Operation: 11-2=9, Resulting Numbers: [66, 9] Generated Node #0,2,3: 65:[66, 9] Operation: 11-2=9 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 65:[66, 13], Operations: ['24+42=66', '11+2=13'] Exploring Operation: 66*13=858, Resulting Numbers: [858] 858,65 unequal: No Solution Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 66+13=79, Resulting Numbers: [79] 79,65 unequal: No Solution No 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: 65:[11, 64], Operations: ['24+42=66', '66-2=64'] Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 11+64=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 11*64=704, Resulting Numbers: [704] 704,65 unequal: No Solution No 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: 65:[2, 6], Operations: ['24+42=66', '66/11=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,65 unequal: No Solution No 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: 65:[66, 9], Operations: ['24+42=66', '11-2=9'] Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,65 unequal: No Solution Exploring Operation: 66+9=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 66*9=594, Resulting Numbers: [594] 594,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[11, 2, 18], Operations: ['42-24=18'] Exploring Operation: 18-2=16, Resulting Numbers: [11, 16] Generated Node #0,0,0: 65:[11, 16] Operation: 18-2=16 Exploring Operation: 11+2=13, Resulting Numbers: [18, 13] Generated Node #0,0,1: 65:[18, 13] Operation: 11+2=13 Exploring Operation: 18/2=9, Resulting Numbers: [11, 9] Generated Node #0,0,2: 65:[11, 9] Operation: 18/2=9 Exploring Operation: 18-11=7, Resulting Numbers: [2, 7] Generated Node #0,0,3: 65:[2, 7] Operation: 18-11=7 Moving to Node #0,0,0 Current State: 65:[11, 16], Operations: ['42-24=18', '18-2=16'] Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,65 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,65 unequal: No Solution Moving to Node #0,0,3 Current State: 65:[2, 7], Operations: ['42-24=18', '18-11=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,65 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[18, 13], Operations: ['42-24=18', '11+2=13'] Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 18*13=234, Resulting Numbers: [234] 234,65 unequal: No Solution Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[11, 9], Operations: ['42-24=18', '18/2=9'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,65 unequal: No Solution Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,65 unequal: No Solution No 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: 65:[11, 24, 21], Operations: ['42/2=21'] Exploring Operation: 24-11=13, Resulting Numbers: [21, 13] Generated Node #0,3,0: 65:[21, 13] Operation: 24-11=13 Exploring Operation: 24-21=3, Resulting Numbers: [11, 3] Generated Node #0,3,1: 65:[11, 3] Operation: 24-21=3 Exploring Operation: 21-11=10, Resulting Numbers: [24, 10] Generated Node #0,3,2: 65:[24, 10] Operation: 21-11=10 Exploring Operation: 24+21=45, Resulting Numbers: [11, 45] Generated Node #0,3,3: 65:[11, 45] Operation: 24+21=45 Moving to Node #0,3,1 Current State: 65:[11, 3], Operations: ['42/2=21', '24-21=3'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,65 unequal: No Solution Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,65 unequal: No Solution Moving to Node #0,3,0 Current State: 65:[21, 13], Operations: ['42/2=21', '24-11=13'] Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 21*13=273, Resulting Numbers: [273] 273,65 unequal: No Solution Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,65 unequal: No Solution Moving to Node #0,3,2 Current State: 65:[24, 10], Operations: ['42/2=21', '21-11=10'] Exploring Operation: 24*10=240, Resulting Numbers: [240] 240,65 unequal: No Solution Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,65 unequal: No Solution Moving to Node #0,3,3 Current State: 65:[11, 45], Operations: ['42/2=21', '24+21=45'] Exploring Operation: 45-11=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 11*45=495, Resulting Numbers: [495] 495,65 unequal: No Solution Exploring Operation: 11+45=56, Resulting Numbers: [56] 56,65 unequal: No Solution No 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: 65:[42, 2, 13], Operations: ['24-11=13'] Exploring Operation: 42/2=21, Resulting Numbers: [13, 21] Generated Node #0,1,0: 65:[13, 21] Operation: 42/2=21 Exploring Operation: 42+13=55, Resulting Numbers: [2, 55] Generated Node #0,1,1: 65:[2, 55] Operation: 42+13=55 Exploring Operation: 42*2=84, Resulting Numbers: [13, 84] Generated Node #0,1,2: 65:[13, 84] Operation: 42*2=84 Exploring Operation: 42-13=29, Resulting Numbers: [2, 29] Generated Node #0,1,3: 65:[2, 29] Operation: 42-13=29 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 65:[13, 21], Operations: ['24-11=13', '42/2=21'] Exploring Operation: 13*21=273, Resulting Numbers: [273] 273,65 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,65 unequal: No Solution No 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: 65:[2, 55], Operations: ['24-11=13', '42+13=55'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,65 unequal: No Solution Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,65 unequal: No Solution No 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: 65:[13, 84], Operations: ['24-11=13', '42*2=84'] Exploring Operation: 84-13=71, Resulting Numbers: [71] 71,65 unequal: No Solution Exploring Operation: 13+84=97, Resulting Numbers: [97] 97,65 unequal: No Solution Exploring Operation: 13*84=1092, Resulting Numbers: [1092] 1092,65 unequal: No Solution No 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: 65:[2, 29], Operations: ['24-11=13', '42-13=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,65 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,65 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 45, 13, 11, 75 ]
40
[ "13+11=24", "75*24=1800", "1800/45=40" ]
Current State: 40:[45, 13, 11, 75], Operations: [] Exploring Operation: 13+11=24, Resulting Numbers: [45, 75, 24] Generated Node #2: [45, 75, 24] from Operation: 13+11=24 Current State: 40:[45, 75, 24], Operations: ['13+11=24'] Exploring Operation: 75*24=1800, Resulting Numbers: [45, 1800] Generated Node #3: [45, 1800] from Operation: 75*24=1800 Current State: 40:[45, 1800], Operations: ['13+11=24', '75*24=1800'] Exploring Operation: 1800/45=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[45, 13, 11, 75], Operations: [] Exploring Operation: 75-13=62, Resulting Numbers: [45, 11, 62] Generated Node #0,0: 40:[45, 11, 62] Operation: 75-13=62 Exploring Operation: 75-45=30, Resulting Numbers: [13, 11, 30] Generated Node #0,1: 40:[13, 11, 30] Operation: 75-45=30 Moving to Node #0,1 Current State: 40:[13, 11, 30], Operations: ['75-45=30'] Exploring Operation: 30-13=17, Resulting Numbers: [11, 17] Generated Node #0,1,0: 40:[11, 17] Operation: 30-13=17 Exploring Operation: 13+30=43, Resulting Numbers: [11, 43] Generated Node #0,1,1: 40:[11, 43] Operation: 13+30=43 Moving to Node #0,0 Current State: 40:[45, 11, 62], Operations: ['75-13=62'] Exploring Operation: 62-45=17, Resulting Numbers: [11, 17] Generated Node #0,0,0: 40:[11, 17] Operation: 62-45=17 Exploring Operation: 62-11=51, Resulting Numbers: [45, 51] Generated Node #0,0,1: 40:[45, 51] Operation: 62-11=51 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[11, 17], Operations: ['75-13=62', '62-45=17'] Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,40 unequal: No Solution No 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: 40:[45, 51], Operations: ['75-13=62', '62-11=51'] Exploring Operation: 51-45=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 45+51=96, Resulting Numbers: [96] 96,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 40:[11, 17], Operations: ['75-45=30', '30-13=17'] Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,40 unequal: No Solution Moving to Node #0,1,1 Current State: 40:[11, 43], Operations: ['75-45=30', '13+30=43'] Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,40 unequal: No Solution Exploring Operation: 11+43=54, Resulting Numbers: [54] 54,40 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 70, 96, 97, 58 ]
13
[ "96-70=26", "97-58=39", "39-26=13" ]
Current State: 13:[70, 96, 97, 58], Operations: [] Exploring Operation: 96-70=26, Resulting Numbers: [97, 58, 26] Generated Node #2: [97, 58, 26] from Operation: 96-70=26 Current State: 13:[97, 58, 26], Operations: ['96-70=26'] Exploring Operation: 97-58=39, Resulting Numbers: [26, 39] Generated Node #3: [26, 39] from Operation: 97-58=39 Current State: 13:[26, 39], Operations: ['96-70=26', '97-58=39'] Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[70, 96, 97, 58], Operations: [] Exploring Operation: 97-96=1, Resulting Numbers: [70, 58, 1] Generated Node #0,0: 13:[70, 58, 1] Operation: 97-96=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[70, 58, 1], Operations: ['97-96=1'] Exploring Operation: 70-58=12, Resulting Numbers: [1, 12] Generated Node #0,0,0: 13:[1, 12] Operation: 70-58=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[1, 12], Operations: ['97-96=1', '70-58=12'] Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[70, 96, 97, 58], Operations: [] Exploring Operation: 97-96=1, Resulting Numbers: [70, 58, 1] Generated Node #0,0: 13:[70, 58, 1] Operation: 97-96=1 Moving to Node #0,0 Current State: 13:[70, 58, 1], Operations: ['97-96=1'] Exploring Operation: 70-58=12, Resulting Numbers: [1, 12] Generated Node #0,0,0: 13:[1, 12] Operation: 70-58=12 Moving to Node #0,0,0 Current State: 13:[1, 12], Operations: ['97-96=1', '70-58=12'] Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 36, 99, 25, 52 ]
58
[ "36+99=135", "25+52=77", "135-77=58" ]
Current State: 58:[36, 99, 25, 52], Operations: [] Exploring Operation: 36+99=135, Resulting Numbers: [25, 52, 135] Generated Node #2: [25, 52, 135] from Operation: 36+99=135 Current State: 58:[25, 52, 135], Operations: ['36+99=135'] Exploring Operation: 25+52=77, Resulting Numbers: [135, 77] Generated Node #3: [135, 77] from Operation: 25+52=77 Current State: 58:[135, 77], Operations: ['36+99=135', '25+52=77'] Exploring Operation: 135-77=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[36, 99, 25, 52], Operations: [] Exploring Operation: 99-36=63, Resulting Numbers: [25, 52, 63] Generated Node #0,0: 58:[25, 52, 63] Operation: 99-36=63 Exploring Operation: 99-25=74, Resulting Numbers: [36, 52, 74] Generated Node #0,1: 58:[36, 52, 74] Operation: 99-25=74 Exploring Operation: 36+25=61, Resulting Numbers: [99, 52, 61] Generated Node #0,2: 58:[99, 52, 61] Operation: 36+25=61 Exploring Operation: 99-52=47, Resulting Numbers: [36, 25, 47] Generated Node #0,3: 58:[36, 25, 47] Operation: 99-52=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[25, 52, 63], Operations: ['99-36=63'] Exploring Operation: 63-25=38, Resulting Numbers: [52, 38] Generated Node #0,0,0: 58:[52, 38] Operation: 63-25=38 Exploring Operation: 52-25=27, Resulting Numbers: [63, 27] Generated Node #0,0,1: 58:[63, 27] Operation: 52-25=27 Exploring Operation: 63-52=11, Resulting Numbers: [25, 11] Generated Node #0,0,2: 58:[25, 11] Operation: 63-52=11 Exploring Operation: 25+52=77, Resulting Numbers: [63, 77] Generated Node #0,0,3: 58:[63, 77] Operation: 25+52=77 Moving to Node #0,0,1 Current State: 58:[63, 27], Operations: ['99-36=63', '52-25=27'] Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 63+27=90, Resulting Numbers: [90] 90,58 unequal: No Solution Exploring Operation: 63*27=1701, Resulting Numbers: [1701] 1701,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[25, 11], Operations: ['99-36=63', '63-52=11'] Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,58 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[52, 38], Operations: ['99-36=63', '63-25=38'] Exploring Operation: 52+38=90, Resulting Numbers: [90] 90,58 unequal: No Solution Exploring Operation: 52*38=1976, Resulting Numbers: [1976] 1976,58 unequal: No Solution Exploring Operation: 52-38=14, Resulting Numbers: [14] 14,58 unequal: No Solution Moving to Node #0,0,3 Current State: 58:[63, 77], Operations: ['99-36=63', '25+52=77'] Exploring Operation: 63+77=140, Resulting Numbers: [140] 140,58 unequal: No Solution Exploring Operation: 63*77=4851, Resulting Numbers: [4851] 4851,58 unequal: No Solution Exploring Operation: 77-63=14, Resulting Numbers: [14] 14,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[36, 25, 47], Operations: ['99-52=47'] Exploring Operation: 36-25=11, Resulting Numbers: [47, 11] Generated Node #0,3,0: 58:[47, 11] Operation: 36-25=11 Exploring Operation: 47-25=22, Resulting Numbers: [36, 22] Generated Node #0,3,1: 58:[36, 22] Operation: 47-25=22 Exploring Operation: 47-36=11, Resulting Numbers: [25, 11] Generated Node #0,3,2: 58:[25, 11] Operation: 47-36=11 Exploring Operation: 36+25=61, Resulting Numbers: [47, 61] Generated Node #0,3,3: 58:[47, 61] Operation: 36+25=61 Moving to Node #0,3,2 Current State: 58:[25, 11], Operations: ['99-52=47', '47-36=11'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[47, 61], Operations: ['99-52=47', '36+25=61'] Exploring Operation: 47+61=108, Resulting Numbers: [108] 108,58 unequal: No Solution Exploring Operation: 47*61=2867, Resulting Numbers: [2867] 2867,58 unequal: No Solution Exploring Operation: 61-47=14, Resulting Numbers: [14] 14,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[36, 22], Operations: ['99-52=47', '47-25=22'] Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 36*22=792, Resulting Numbers: [792] 792,58 unequal: No Solution Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[36, 99, 25, 52], Operations: [] Exploring Operation: 99-52=47, Resulting Numbers: [36, 25, 47] Generated Node #0,3: 58:[36, 25, 47] Operation: 99-52=47 Moving to Node #0,3 Current State: 58:[36, 25, 47], Operations: ['99-52=47'] Exploring Operation: 47-25=22, Resulting Numbers: [36, 22] Generated Node #0,3,1: 58:[36, 22] Operation: 47-25=22 Moving to Node #0,3,1 Current State: 58:[36, 22], Operations: ['99-52=47', '47-25=22'] Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
mult_heuristic
[ 11, 29, 4, 85 ]
53
[ "11+85=96", "96/4=24", "29+24=53" ]
Current State: 53:[11, 29, 4, 85], Operations: [] Exploring Operation: 11+85=96, Resulting Numbers: [29, 4, 96] Generated Node #2: [29, 4, 96] from Operation: 11+85=96 Current State: 53:[29, 4, 96], Operations: ['11+85=96'] Exploring Operation: 96/4=24, Resulting Numbers: [29, 24] Generated Node #3: [29, 24] from Operation: 96/4=24 Current State: 53:[29, 24], Operations: ['11+85=96', '96/4=24'] Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[11, 29, 4, 85], Operations: [] Exploring Operation: 11+29=40, Resulting Numbers: [4, 85, 40] Generated Node #0,0: 53:[4, 85, 40] Operation: 11+29=40 Exploring Operation: 11*4=44, Resulting Numbers: [29, 85, 44] Generated Node #0,1: 53:[29, 85, 44] Operation: 11*4=44 Moving to Node #0,1 Current State: 53:[29, 85, 44], Operations: ['11*4=44'] Exploring Operation: 85-44=41, Resulting Numbers: [29, 41] Generated Node #0,1,0: 53:[29, 41] Operation: 85-44=41 Exploring Operation: 85-29=56, Resulting Numbers: [44, 56] Generated Node #0,1,1: 53:[44, 56] Operation: 85-29=56 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[44, 56], Operations: ['11*4=44', '85-29=56'] Exploring Operation: 44+56=100, Resulting Numbers: [100] 100,53 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[29, 41], Operations: ['11*4=44', '85-44=41'] Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,53 unequal: No Solution Exploring Operation: 29+41=70, Resulting Numbers: [70] 70,53 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: 53:[4, 85, 40], Operations: ['11+29=40'] Exploring Operation: 4+40=44, Resulting Numbers: [85, 44] Generated Node #0,0,0: 53:[85, 44] Operation: 4+40=44 Exploring Operation: 85-4=81, Resulting Numbers: [40, 81] Generated Node #0,0,1: 53:[40, 81] Operation: 85-4=81 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[85, 44], Operations: ['11+29=40', '4+40=44'] Exploring Operation: 85+44=129, Resulting Numbers: [129] 129,53 unequal: No Solution Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[40, 81], Operations: ['11+29=40', '85-4=81'] Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,53 unequal: No Solution Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 17, 39, 65, 53 ]
34
[ "39-17=22", "65-53=12", "22+12=34" ]
Current State: 34:[17, 39, 65, 53], Operations: [] Exploring Operation: 39-17=22, Resulting Numbers: [65, 53, 22] Generated Node #2: [65, 53, 22] from Operation: 39-17=22 Current State: 34:[65, 53, 22], Operations: ['39-17=22'] Exploring Operation: 65-53=12, Resulting Numbers: [22, 12] Generated Node #3: [22, 12] from Operation: 65-53=12 Current State: 34:[22, 12], Operations: ['39-17=22', '65-53=12'] Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[17, 39, 65, 53], Operations: [] Exploring Operation: 53-39=14, Resulting Numbers: [17, 65, 14] Generated Node #0,0: 34:[17, 65, 14] Operation: 53-39=14 Exploring Operation: 65-39=26, Resulting Numbers: [17, 53, 26] Generated Node #0,1: 34:[17, 53, 26] Operation: 65-39=26 Exploring Operation: 65-53=12, Resulting Numbers: [17, 39, 12] Generated Node #0,2: 34:[17, 39, 12] Operation: 65-53=12 Exploring Operation: 65-17=48, Resulting Numbers: [39, 53, 48] Generated Node #0,3: 34:[39, 53, 48] Operation: 65-17=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[17, 39, 12], Operations: ['65-53=12'] Exploring Operation: 39-12=27, Resulting Numbers: [17, 27] Generated Node #0,2,0: 34:[17, 27] Operation: 39-12=27 Exploring Operation: 17+12=29, Resulting Numbers: [39, 29] Generated Node #0,2,1: 34:[39, 29] Operation: 17+12=29 Exploring Operation: 39-17=22, Resulting Numbers: [12, 22] Generated Node #0,2,2: 34:[12, 22] Operation: 39-17=22 Exploring Operation: 17-12=5, Resulting Numbers: [39, 5] Generated Node #0,2,3: 34:[39, 5] Operation: 17-12=5 Moving to Node #0,2,0 Current State: 34:[17, 27], Operations: ['65-53=12', '39-12=27'] Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,34 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[39, 5], Operations: ['65-53=12', '17-12=5'] Exploring Operation: 39*5=195, Resulting Numbers: [195] 195,34 unequal: No Solution Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,34 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[17, 39, 65, 53], Operations: [] Exploring Operation: 65-53=12, Resulting Numbers: [17, 39, 12] Generated Node #0,2: 34:[17, 39, 12] Operation: 65-53=12 Moving to Node #0,2 Current State: 34:[17, 39, 12], Operations: ['65-53=12'] Exploring Operation: 17-12=5, Resulting Numbers: [39, 5] Generated Node #0,2,3: 34:[39, 5] Operation: 17-12=5 Moving to Node #0,2,3 Current State: 34:[39, 5], Operations: ['65-53=12', '17-12=5'] Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 64, 15, 14, 87 ]
61
[ "15+14=29", "87/29=3", "64-3=61" ]
Current State: 61:[64, 15, 14, 87], Operations: [] Exploring Operation: 15+14=29, Resulting Numbers: [64, 87, 29] Generated Node #2: [64, 87, 29] from Operation: 15+14=29 Current State: 61:[64, 87, 29], Operations: ['15+14=29'] Exploring Operation: 87/29=3, Resulting Numbers: [64, 3] Generated Node #3: [64, 3] from Operation: 87/29=3 Current State: 61:[64, 3], Operations: ['15+14=29', '87/29=3'] Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[64, 15, 14, 87], Operations: [] Exploring Operation: 15+14=29, Resulting Numbers: [64, 87, 29] Generated Node #0,0: 61:[64, 87, 29] Operation: 15+14=29 Exploring Operation: 87-15=72, Resulting Numbers: [64, 14, 72] Generated Node #0,1: 61:[64, 14, 72] Operation: 87-15=72 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[64, 87, 29], Operations: ['15+14=29'] Exploring Operation: 87-29=58, Resulting Numbers: [64, 58] Generated Node #0,0,0: 61:[64, 58] Operation: 87-29=58 Exploring Operation: 64-29=35, Resulting Numbers: [87, 35] Generated Node #0,0,1: 61:[87, 35] Operation: 64-29=35 Moving to Node #0,0,0 Current State: 61:[64, 58], Operations: ['15+14=29', '87-29=58'] Exploring Operation: 64+58=122, Resulting Numbers: [122] 122,61 unequal: No Solution Exploring Operation: 64-58=6, Resulting Numbers: [6] 6,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[87, 35], Operations: ['15+14=29', '64-29=35'] Exploring Operation: 87-35=52, Resulting Numbers: [52] 52,61 unequal: No Solution Exploring Operation: 87+35=122, Resulting Numbers: [122] 122,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[64, 14, 72], Operations: ['87-15=72'] Exploring Operation: 64-14=50, Resulting Numbers: [72, 50] Generated Node #0,1,0: 61:[72, 50] Operation: 64-14=50 Exploring Operation: 72-14=58, Resulting Numbers: [64, 58] Generated Node #0,1,1: 61:[64, 58] Operation: 72-14=58 Moving to Node #0,1,1 Current State: 61:[64, 58], Operations: ['87-15=72', '72-14=58'] Exploring Operation: 64-58=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 64+58=122, Resulting Numbers: [122] 122,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[72, 50], Operations: ['87-15=72', '64-14=50'] Exploring Operation: 72+50=122, Resulting Numbers: [122] 122,61 unequal: No Solution Exploring Operation: 72-50=22, Resulting Numbers: [22] 22,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 1, 28, 42, 15 ]
24
[ "1+15=16", "42*16=672", "672/28=24" ]
Current State: 24:[1, 28, 42, 15], Operations: [] Exploring Operation: 1+15=16, Resulting Numbers: [28, 42, 16] Generated Node #2: [28, 42, 16] from Operation: 1+15=16 Current State: 24:[28, 42, 16], Operations: ['1+15=16'] Exploring Operation: 42*16=672, Resulting Numbers: [28, 672] Generated Node #3: [28, 672] from Operation: 42*16=672 Current State: 24:[28, 672], Operations: ['1+15=16', '42*16=672'] Exploring Operation: 672/28=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[1, 28, 42, 15], Operations: [] Exploring Operation: 42-28=14, Resulting Numbers: [1, 15, 14] Generated Node #0,0: 24:[1, 15, 14] Operation: 42-28=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[1, 15, 14], Operations: ['42-28=14'] Exploring Operation: 15-14=1, Resulting Numbers: [1, 1] Generated Node #0,0,0: 24:[1, 1] Operation: 15-14=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[1, 1], Operations: ['42-28=14', '15-14=1'] Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 8, 15, 21, 16 ]
55
[ "21-16=5", "8*5=40", "15+40=55" ]
Current State: 55:[8, 15, 21, 16], Operations: [] Exploring Operation: 21-16=5, Resulting Numbers: [8, 15, 5] Generated Node #2: [8, 15, 5] from Operation: 21-16=5 Current State: 55:[8, 15, 5], Operations: ['21-16=5'] Exploring Operation: 8*5=40, Resulting Numbers: [15, 40] Generated Node #3: [15, 40] from Operation: 8*5=40 Current State: 55:[15, 40], Operations: ['21-16=5', '8*5=40'] Exploring Operation: 15+40=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[8, 15, 21, 16], Operations: [] Exploring Operation: 21-16=5, Resulting Numbers: [8, 15, 5] Generated Node #0,0: 55:[8, 15, 5] Operation: 21-16=5 Exploring Operation: 21-8=13, Resulting Numbers: [15, 16, 13] Generated Node #0,1: 55:[15, 16, 13] Operation: 21-8=13 Exploring Operation: 16-8=8, Resulting Numbers: [15, 21, 8] Generated Node #0,2: 55:[15, 21, 8] Operation: 16-8=8 Exploring Operation: 21-15=6, Resulting Numbers: [8, 16, 6] Generated Node #0,3: 55:[8, 16, 6] Operation: 21-15=6 Exploring Operation: 15-8=7, Resulting Numbers: [21, 16, 7] Generated Node #0,4: 55:[21, 16, 7] Operation: 15-8=7 Moving to Node #0,0 Current State: 55:[8, 15, 5], Operations: ['21-16=5'] Exploring Operation: 8-5=3, Resulting Numbers: [15, 3] Generated Node #0,0,0: 55:[15, 3] Operation: 8-5=3 Exploring Operation: 8+5=13, Resulting Numbers: [15, 13] Generated Node #0,0,1: 55:[15, 13] Operation: 8+5=13 Exploring Operation: 15-5=10, Resulting Numbers: [8, 10] Generated Node #0,0,2: 55:[8, 10] Operation: 15-5=10 Exploring Operation: 15-8=7, Resulting Numbers: [5, 7] Generated Node #0,0,3: 55:[5, 7] Operation: 15-8=7 Exploring Operation: 15/5=3, Resulting Numbers: [8, 3] Generated Node #0,0,4: 55:[8, 3] Operation: 15/5=3 Moving to Node #0,3 Current State: 55:[8, 16, 6], Operations: ['21-15=6'] Exploring Operation: 16-6=10, Resulting Numbers: [8, 10] Generated Node #0,3,0: 55:[8, 10] Operation: 16-6=10 Exploring Operation: 16/8=2, Resulting Numbers: [6, 2] Generated Node #0,3,1: 55:[6, 2] Operation: 16/8=2 Exploring Operation: 16-8=8, Resulting Numbers: [6, 8] Generated Node #0,3,2: 55:[6, 8] Operation: 16-8=8 Exploring Operation: 8+6=14, Resulting Numbers: [16, 14] Generated Node #0,3,3: 55:[16, 14] Operation: 8+6=14 Exploring Operation: 8-6=2, Resulting Numbers: [16, 2] Generated Node #0,3,4: 55:[16, 2] Operation: 8-6=2 Moving to Node #0,1 Current State: 55:[15, 16, 13], Operations: ['21-8=13'] Exploring Operation: 16-15=1, Resulting Numbers: [13, 1] Generated Node #0,1,0: 55:[13, 1] Operation: 16-15=1 Exploring Operation: 16-13=3, Resulting Numbers: [15, 3] Generated Node #0,1,1: 55:[15, 3] Operation: 16-13=3 Exploring Operation: 15+16=31, Resulting Numbers: [13, 31] Generated Node #0,1,2: 55:[13, 31] Operation: 15+16=31 Exploring Operation: 15-13=2, Resulting Numbers: [16, 2] Generated Node #0,1,3: 55:[16, 2] Operation: 15-13=2 Exploring Operation: 15+13=28, Resulting Numbers: [16, 28] Generated Node #0,1,4: 55:[16, 28] Operation: 15+13=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 55:[13, 1], Operations: ['21-8=13', '16-15=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 55:[15, 3], Operations: ['21-8=13', '16-13=3'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 55:[16, 2], Operations: ['21-8=13', '15-13=2'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,55 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 55:[13, 31], Operations: ['21-8=13', '15+16=31'] Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,55 unequal: No Solution Exploring Operation: 13*31=403, Resulting Numbers: [403] 403,55 unequal: No Solution Exploring Operation: 13+31=44, Resulting Numbers: [44] 44,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 55:[16, 28], Operations: ['21-8=13', '15+13=28'] Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 16+28=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 16*28=448, Resulting Numbers: [448] 448,55 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: 55:[15, 21, 8], Operations: ['16-8=8'] Exploring Operation: 15+21=36, Resulting Numbers: [8, 36] Generated Node #0,2,0: 55:[8, 36] Operation: 15+21=36 Exploring Operation: 21-8=13, Resulting Numbers: [15, 13] Generated Node #0,2,1: 55:[15, 13] Operation: 21-8=13 Exploring Operation: 21-15=6, Resulting Numbers: [8, 6] Generated Node #0,2,2: 55:[8, 6] Operation: 21-15=6 Exploring Operation: 15-8=7, Resulting Numbers: [21, 7] Generated Node #0,2,3: 55:[21, 7] Operation: 15-8=7 Exploring Operation: 15+8=23, Resulting Numbers: [21, 23] Generated Node #0,2,4: 55:[21, 23] Operation: 15+8=23 Moving to Node #0,4 Current State: 55:[21, 16, 7], Operations: ['15-8=7'] Exploring Operation: 21+16=37, Resulting Numbers: [7, 37] Generated Node #0,4,0: 55:[7, 37] Operation: 21+16=37 Exploring Operation: 21/7=3, Resulting Numbers: [16, 3] Generated Node #0,4,1: 55:[16, 3] Operation: 21/7=3 Exploring Operation: 16-7=9, Resulting Numbers: [21, 9] Generated Node #0,4,2: 55:[21, 9] Operation: 16-7=9 Exploring Operation: 21-7=14, Resulting Numbers: [16, 14] Generated Node #0,4,3: 55:[16, 14] Operation: 21-7=14 Exploring Operation: 21-16=5, Resulting Numbers: [7, 5] Generated Node #0,4,4: 55:[7, 5] Operation: 21-16=5 Moving to Node #0,0,3 Current State: 55:[5, 7], Operations: ['21-16=5', '15-8=7'] Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,55 unequal: No Solution Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,55 unequal: No Solution Moving to Node #0,4,4 Current State: 55:[7, 5], Operations: ['15-8=7', '21-16=5'] Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,55 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,55 unequal: No Solution Moving to Node #0,3,0 Current State: 55:[8, 10], Operations: ['21-15=6', '16-6=10'] Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,55 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,55 unequal: No Solution Moving to Node #0,3,1 Current State: 55:[6, 2], Operations: ['21-15=6', '16/8=2'] Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,55 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,55 unequal: No Solution Moving to Node #0,2,2 Current State: 55:[8, 6], Operations: ['16-8=8', '21-15=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[8, 10], Operations: ['21-16=5', '15-5=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,55 unequal: No Solution Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,55 unequal: No Solution Moving to Node #0,3,2 Current State: 55:[6, 8], Operations: ['21-15=6', '16-8=8'] Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,55 unequal: No Solution Moving to Node #0,0,4 Current State: 55:[8, 3], Operations: ['21-16=5', '15/5=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,55 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,55 unequal: No Solution Moving to Node #0,2,1 Current State: 55:[15, 13], Operations: ['16-8=8', '21-8=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,55 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[15, 13], Operations: ['21-16=5', '8+5=13'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,55 unequal: No Solution Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,55 unequal: No Solution Moving to Node #0,0,0 Current State: 55:[15, 3], Operations: ['21-16=5', '8-5=3'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,55 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,55 unequal: No Solution Moving to Node #0,4,1 Current State: 55:[16, 3], Operations: ['15-8=7', '21/7=3'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 16+3=19, Resulting Numbers: [19] 19,55 unequal: No Solution Moving to Node #0,4,3 Current State: 55:[16, 14], Operations: ['15-8=7', '21-7=14'] Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,55 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 16*14=224, Resulting Numbers: [224] 224,55 unequal: No Solution Moving to Node #0,3,4 Current State: 55:[16, 2], Operations: ['21-15=6', '8-6=2'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,55 unequal: No Solution Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,55 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,55 unequal: No Solution Moving to Node #0,3,3 Current State: 55:[16, 14], Operations: ['21-15=6', '8+6=14'] Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,55 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 16*14=224, Resulting Numbers: [224] 224,55 unequal: No Solution Moving to Node #0,4,2 Current State: 55:[21, 9], Operations: ['15-8=7', '16-7=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,55 unequal: No Solution Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,55 unequal: No Solution Moving to Node #0,2,3 Current State: 55:[21, 7], Operations: ['16-8=8', '15-8=7'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,55 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,55 unequal: No Solution Exploring Operation: 21*7=147, Resulting Numbers: [147] 147,55 unequal: No Solution Moving to Node #0,4,0 Current State: 55:[7, 37], Operations: ['15-8=7', '21+16=37'] Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 7*37=259, Resulting Numbers: [259] 259,55 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,55 unequal: No Solution Moving to Node #0,2,0 Current State: 55:[8, 36], Operations: ['16-8=8', '15+21=36'] Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,55 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,55 unequal: No Solution Moving to Node #0,2,4 Current State: 55:[21, 23], Operations: ['16-8=8', '15+8=23'] Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,55 unequal: No Solution Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,55 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 81, 46, 84, 86 ]
37
[ "81-46=35", "86-84=2", "35+2=37" ]
Current State: 37:[81, 46, 84, 86], Operations: [] Exploring Operation: 81-46=35, Resulting Numbers: [84, 86, 35] Generated Node #2: [84, 86, 35] from Operation: 81-46=35 Current State: 37:[84, 86, 35], Operations: ['81-46=35'] Exploring Operation: 86-84=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 86-84=2 Current State: 37:[35, 2], Operations: ['81-46=35', '86-84=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[81, 46, 84, 86], Operations: [] Exploring Operation: 84-81=3, Resulting Numbers: [46, 86, 3] Generated Node #0,0: 37:[46, 86, 3] Operation: 84-81=3 Exploring Operation: 86-84=2, Resulting Numbers: [81, 46, 2] Generated Node #0,1: 37:[81, 46, 2] Operation: 86-84=2 Exploring Operation: 86-81=5, Resulting Numbers: [46, 84, 5] Generated Node #0,2: 37:[46, 84, 5] Operation: 86-81=5 Moving to Node #0,1 Current State: 37:[81, 46, 2], Operations: ['86-84=2'] Exploring Operation: 81-2=79, Resulting Numbers: [46, 79] Generated Node #0,1,0: 37:[46, 79] Operation: 81-2=79 Exploring Operation: 81-46=35, Resulting Numbers: [2, 35] Generated Node #0,1,1: 37:[2, 35] Operation: 81-46=35 Exploring Operation: 46-2=44, Resulting Numbers: [81, 44] Generated Node #0,1,2: 37:[81, 44] Operation: 46-2=44 Moving to Node #0,2 Current State: 37:[46, 84, 5], Operations: ['86-81=5'] Exploring Operation: 46-5=41, Resulting Numbers: [84, 41] Generated Node #0,2,0: 37:[84, 41] Operation: 46-5=41 Exploring Operation: 84-5=79, Resulting Numbers: [46, 79] Generated Node #0,2,1: 37:[46, 79] Operation: 84-5=79 Exploring Operation: 84-46=38, Resulting Numbers: [5, 38] Generated Node #0,2,2: 37:[5, 38] Operation: 84-46=38 Moving to Node #0,0 Current State: 37:[46, 86, 3], Operations: ['84-81=3'] Exploring Operation: 86-3=83, Resulting Numbers: [46, 83] Generated Node #0,0,0: 37:[46, 83] Operation: 86-3=83 Exploring Operation: 86-46=40, Resulting Numbers: [3, 40] Generated Node #0,0,1: 37:[3, 40] Operation: 86-46=40 Exploring Operation: 46-3=43, Resulting Numbers: [86, 43] Generated Node #0,0,2: 37:[86, 43] Operation: 46-3=43 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 37:[3, 40], Operations: ['84-81=3', '86-46=40'] Exploring Operation: 3*40=120, Resulting Numbers: [120] 120,37 unequal: No Solution Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,37 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[81, 46, 84, 86], Operations: [] Exploring Operation: 84-81=3, Resulting Numbers: [46, 86, 3] Generated Node #0,0: 37:[46, 86, 3] Operation: 84-81=3 Moving to Node #0,0 Current State: 37:[46, 86, 3], Operations: ['84-81=3'] Exploring Operation: 86-46=40, Resulting Numbers: [3, 40] Generated Node #0,0,1: 37:[3, 40] Operation: 86-46=40 Moving to Node #0,0,1 Current State: 37:[3, 40], Operations: ['84-81=3', '86-46=40'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 41, 42, 37, 88 ]
80
[ "41-37=4", "42*4=168", "168-88=80" ]
Current State: 80:[41, 42, 37, 88], Operations: [] Exploring Operation: 41-37=4, Resulting Numbers: [42, 88, 4] Generated Node #2: [42, 88, 4] from Operation: 41-37=4 Current State: 80:[42, 88, 4], Operations: ['41-37=4'] Exploring Operation: 42*4=168, Resulting Numbers: [88, 168] Generated Node #3: [88, 168] from Operation: 42*4=168 Current State: 80:[88, 168], Operations: ['41-37=4', '42*4=168'] Exploring Operation: 168-88=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[41, 42, 37, 88], Operations: [] Exploring Operation: 41-37=4, Resulting Numbers: [42, 88, 4] Generated Node #0,0: 80:[42, 88, 4] Operation: 41-37=4 Exploring Operation: 42+37=79, Resulting Numbers: [41, 88, 79] Generated Node #0,1: 80:[41, 88, 79] Operation: 42+37=79 Exploring Operation: 42-37=5, Resulting Numbers: [41, 88, 5] Generated Node #0,2: 80:[41, 88, 5] Operation: 42-37=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[41, 88, 5], Operations: ['42-37=5'] Exploring Operation: 88-5=83, Resulting Numbers: [41, 83] Generated Node #0,2,0: 80:[41, 83] Operation: 88-5=83 Exploring Operation: 41-5=36, Resulting Numbers: [88, 36] Generated Node #0,2,1: 80:[88, 36] Operation: 41-5=36 Exploring Operation: 88-41=47, Resulting Numbers: [5, 47] Generated Node #0,2,2: 80:[5, 47] Operation: 88-41=47 Moving to Node #0,2,0 Current State: 80:[41, 83], Operations: ['42-37=5', '88-5=83'] Exploring Operation: 41+83=124, Resulting Numbers: [124] 124,80 unequal: No Solution Exploring Operation: 41*83=3403, Resulting Numbers: [3403] 3403,80 unequal: No Solution Exploring Operation: 83-41=42, Resulting Numbers: [42] 42,80 unequal: No Solution Moving to Node #0,2,2 Current State: 80:[5, 47], Operations: ['42-37=5', '88-41=47'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,80 unequal: No Solution Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,80 unequal: No Solution Moving to Node #0,2,1 Current State: 80:[88, 36], Operations: ['42-37=5', '41-5=36'] Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 88+36=124, Resulting Numbers: [124] 124,80 unequal: No Solution Exploring Operation: 88*36=3168, Resulting Numbers: [3168] 3168,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[42, 88, 4], Operations: ['41-37=4'] Exploring Operation: 88-42=46, Resulting Numbers: [4, 46] Generated Node #0,0,0: 80:[4, 46] Operation: 88-42=46 Exploring Operation: 88-4=84, Resulting Numbers: [42, 84] Generated Node #0,0,1: 80:[42, 84] Operation: 88-4=84 Exploring Operation: 88/4=22, Resulting Numbers: [42, 22] Generated Node #0,0,2: 80:[42, 22] Operation: 88/4=22 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 80:[42, 22], Operations: ['41-37=4', '88/4=22'] Exploring Operation: 42+22=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 42*22=924, Resulting Numbers: [924] 924,80 unequal: No Solution Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[4, 46], Operations: ['41-37=4', '88-42=46'] Exploring Operation: 4*46=184, Resulting Numbers: [184] 184,80 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,80 unequal: No Solution Exploring Operation: 4+46=50, Resulting Numbers: [50] 50,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[42, 84], Operations: ['41-37=4', '88-4=84'] Exploring Operation: 84/42=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 42+84=126, Resulting Numbers: [126] 126,80 unequal: No Solution Exploring Operation: 84-42=42, Resulting Numbers: [42] 42,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[41, 88, 79], Operations: ['42+37=79'] Exploring Operation: 88-41=47, Resulting Numbers: [79, 47] Generated Node #0,1,0: 80:[79, 47] Operation: 88-41=47 Exploring Operation: 79-41=38, Resulting Numbers: [88, 38] Generated Node #0,1,1: 80:[88, 38] Operation: 79-41=38 Exploring Operation: 88-79=9, Resulting Numbers: [41, 9] Generated Node #0,1,2: 80:[41, 9] Operation: 88-79=9 Moving to Node #0,1,2 Current State: 80:[41, 9], Operations: ['42+37=79', '88-79=9'] Exploring Operation: 41+9=50, Resulting Numbers: [50] 50,80 unequal: No Solution Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,80 unequal: No Solution Exploring Operation: 41*9=369, Resulting Numbers: [369] 369,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[79, 47], Operations: ['42+37=79', '88-41=47'] Exploring Operation: 79-47=32, Resulting Numbers: [32] 32,80 unequal: No Solution Exploring Operation: 79*47=3713, Resulting Numbers: [3713] 3713,80 unequal: No Solution Exploring Operation: 79+47=126, Resulting Numbers: [126] 126,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[88, 38], Operations: ['42+37=79', '79-41=38'] Exploring Operation: 88*38=3344, Resulting Numbers: [3344] 3344,80 unequal: No Solution Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,80 unequal: No Solution Exploring Operation: 88+38=126, Resulting Numbers: [126] 126,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 91, 72, 65, 62 ]
57
[ "91-72=19", "65-62=3", "19*3=57" ]
Current State: 57:[91, 72, 65, 62], Operations: [] Exploring Operation: 91-72=19, Resulting Numbers: [65, 62, 19] Generated Node #2: [65, 62, 19] from Operation: 91-72=19 Current State: 57:[65, 62, 19], Operations: ['91-72=19'] Exploring Operation: 65-62=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 65-62=3 Current State: 57:[19, 3], Operations: ['91-72=19', '65-62=3'] Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[91, 72, 65, 62], Operations: [] Exploring Operation: 91-62=29, Resulting Numbers: [72, 65, 29] Generated Node #0,0: 57:[72, 65, 29] Operation: 91-62=29 Exploring Operation: 72-65=7, Resulting Numbers: [91, 62, 7] Generated Node #0,1: 57:[91, 62, 7] Operation: 72-65=7 Exploring Operation: 91-65=26, Resulting Numbers: [72, 62, 26] Generated Node #0,2: 57:[72, 62, 26] Operation: 91-65=26 Exploring Operation: 91-72=19, Resulting Numbers: [65, 62, 19] Generated Node #0,3: 57:[65, 62, 19] Operation: 91-72=19 Exploring Operation: 72-62=10, Resulting Numbers: [91, 65, 10] Generated Node #0,4: 57:[91, 65, 10] Operation: 72-62=10 Moving to Node #0,3 Current State: 57:[65, 62, 19], Operations: ['91-72=19'] Exploring Operation: 65+19=84, Resulting Numbers: [62, 84] Generated Node #0,3,0: 57:[62, 84] Operation: 65+19=84 Exploring Operation: 65-19=46, Resulting Numbers: [62, 46] Generated Node #0,3,1: 57:[62, 46] Operation: 65-19=46 Exploring Operation: 62-19=43, Resulting Numbers: [65, 43] Generated Node #0,3,2: 57:[65, 43] Operation: 62-19=43 Exploring Operation: 62+19=81, Resulting Numbers: [65, 81] Generated Node #0,3,3: 57:[65, 81] Operation: 62+19=81 Exploring Operation: 65-62=3, Resulting Numbers: [19, 3] Generated Node #0,3,4: 57:[19, 3] Operation: 65-62=3 Moving to Node #0,2 Current State: 57:[72, 62, 26], Operations: ['91-65=26'] Exploring Operation: 72-62=10, Resulting Numbers: [26, 10] Generated Node #0,2,0: 57:[26, 10] Operation: 72-62=10 Exploring Operation: 72-26=46, Resulting Numbers: [62, 46] Generated Node #0,2,1: 57:[62, 46] Operation: 72-26=46 Exploring Operation: 62-26=36, Resulting Numbers: [72, 36] Generated Node #0,2,2: 57:[72, 36] Operation: 62-26=36 Exploring Operation: 72+26=98, Resulting Numbers: [62, 98] Generated Node #0,2,3: 57:[62, 98] Operation: 72+26=98 Exploring Operation: 62+26=88, Resulting Numbers: [72, 88] Generated Node #0,2,4: 57:[72, 88] Operation: 62+26=88 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 57:[26, 10], Operations: ['91-65=26', '72-62=10'] Exploring Operation: 26*10=260, Resulting Numbers: [260] 260,57 unequal: No Solution Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,57 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,57 unequal: No Solution No 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: 57:[62, 46], Operations: ['91-65=26', '72-26=46'] Exploring Operation: 62+46=108, Resulting Numbers: [108] 108,57 unequal: No Solution Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 62*46=2852, Resulting Numbers: [2852] 2852,57 unequal: No Solution No 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: 57:[72, 36], Operations: ['91-65=26', '62-26=36'] Exploring Operation: 72-36=36, Resulting Numbers: [36] 36,57 unequal: No Solution Exploring Operation: 72*36=2592, Resulting Numbers: [2592] 2592,57 unequal: No Solution Exploring Operation: 72/36=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 72+36=108, Resulting Numbers: [108] 108,57 unequal: No Solution No 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: 57:[62, 98], Operations: ['91-65=26', '72+26=98'] Exploring Operation: 98-62=36, Resulting Numbers: [36] 36,57 unequal: No Solution Exploring Operation: 62+98=160, Resulting Numbers: [160] 160,57 unequal: No Solution Exploring Operation: 62*98=6076, Resulting Numbers: [6076] 6076,57 unequal: No Solution No 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: 57:[72, 88], Operations: ['91-65=26', '62+26=88'] Exploring Operation: 88-72=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 72*88=6336, Resulting Numbers: [6336] 6336,57 unequal: No Solution Exploring Operation: 72+88=160, Resulting Numbers: [160] 160,57 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: 57:[72, 65, 29], Operations: ['91-62=29'] Exploring Operation: 72-29=43, Resulting Numbers: [65, 43] Generated Node #0,0,0: 57:[65, 43] Operation: 72-29=43 Exploring Operation: 72-65=7, Resulting Numbers: [29, 7] Generated Node #0,0,1: 57:[29, 7] Operation: 72-65=7 Exploring Operation: 65-29=36, Resulting Numbers: [72, 36] Generated Node #0,0,2: 57:[72, 36] Operation: 65-29=36 Exploring Operation: 72+29=101, Resulting Numbers: [65, 101] Generated Node #0,0,3: 57:[65, 101] Operation: 72+29=101 Exploring Operation: 65+29=94, Resulting Numbers: [72, 94] Generated Node #0,0,4: 57:[72, 94] Operation: 65+29=94 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 57:[29, 7], Operations: ['91-62=29', '72-65=7'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,57 unequal: No Solution Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,57 unequal: No Solution No 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: 57:[65, 43], Operations: ['91-62=29', '72-29=43'] Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 65+43=108, Resulting Numbers: [108] 108,57 unequal: No Solution Exploring Operation: 65*43=2795, Resulting Numbers: [2795] 2795,57 unequal: No Solution No 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: 57:[72, 36], Operations: ['91-62=29', '65-29=36'] Exploring Operation: 72/36=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 72-36=36, Resulting Numbers: [36] 36,57 unequal: No Solution Exploring Operation: 72*36=2592, Resulting Numbers: [2592] 2592,57 unequal: No Solution Exploring Operation: 72+36=108, Resulting Numbers: [108] 108,57 unequal: No Solution No 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: 57:[65, 101], Operations: ['91-62=29', '72+29=101'] Exploring Operation: 101-65=36, Resulting Numbers: [36] 36,57 unequal: No Solution Exploring Operation: 65+101=166, Resulting Numbers: [166] 166,57 unequal: No Solution Exploring Operation: 65*101=6565, Resulting Numbers: [6565] 6565,57 unequal: No Solution No 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: 57:[72, 94], Operations: ['91-62=29', '65+29=94'] Exploring Operation: 72+94=166, Resulting Numbers: [166] 166,57 unequal: No Solution Exploring Operation: 94-72=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 72*94=6768, Resulting Numbers: [6768] 6768,57 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: 57:[91, 62, 7], Operations: ['72-65=7'] Exploring Operation: 91-62=29, Resulting Numbers: [7, 29] Generated Node #0,1,0: 57:[7, 29] Operation: 91-62=29 Exploring Operation: 91+7=98, Resulting Numbers: [62, 98] Generated Node #0,1,1: 57:[62, 98] Operation: 91+7=98 Exploring Operation: 62-7=55, Resulting Numbers: [91, 55] Generated Node #0,1,2: 57:[91, 55] Operation: 62-7=55 Exploring Operation: 91/7=13, Resulting Numbers: [62, 13] Generated Node #0,1,3: 57:[62, 13] Operation: 91/7=13 Exploring Operation: 91-7=84, Resulting Numbers: [62, 84] Generated Node #0,1,4: 57:[62, 84] Operation: 91-7=84 Moving to Node #0,4 Current State: 57:[91, 65, 10], Operations: ['72-62=10'] Exploring Operation: 65+10=75, Resulting Numbers: [91, 75] Generated Node #0,4,0: 57:[91, 75] Operation: 65+10=75 Exploring Operation: 91-65=26, Resulting Numbers: [10, 26] Generated Node #0,4,1: 57:[10, 26] Operation: 91-65=26 Exploring Operation: 91+10=101, Resulting Numbers: [65, 101] Generated Node #0,4,2: 57:[65, 101] Operation: 91+10=101 Exploring Operation: 91-10=81, Resulting Numbers: [65, 81] Generated Node #0,4,3: 57:[65, 81] Operation: 91-10=81 Exploring Operation: 65-10=55, Resulting Numbers: [91, 55] Generated Node #0,4,4: 57:[91, 55] Operation: 65-10=55 Moving to Node #0,3,4 Current State: 57:[19, 3], Operations: ['91-72=19', '65-62=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[91, 72, 65, 62], Operations: [] Exploring Operation: 91-72=19, Resulting Numbers: [65, 62, 19] Generated Node #0,3: 57:[65, 62, 19] Operation: 91-72=19 Moving to Node #0,3 Current State: 57:[65, 62, 19], Operations: ['91-72=19'] Exploring Operation: 65-62=3, Resulting Numbers: [19, 3] Generated Node #0,3,4: 57:[19, 3] Operation: 65-62=3 Moving to Node #0,3,4 Current State: 57:[19, 3], Operations: ['91-72=19', '65-62=3'] Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.940972
hs_5
mult_heuristic
[ 14, 49, 9, 8 ]
69
[ "14*9=126", "49+8=57", "126-57=69" ]
Current State: 69:[14, 49, 9, 8], Operations: [] Exploring Operation: 14*9=126, Resulting Numbers: [49, 8, 126] Generated Node #2: [49, 8, 126] from Operation: 14*9=126 Current State: 69:[49, 8, 126], Operations: ['14*9=126'] Exploring Operation: 49+8=57, Resulting Numbers: [126, 57] Generated Node #3: [126, 57] from Operation: 49+8=57 Current State: 69:[126, 57], Operations: ['14*9=126', '49+8=57'] Exploring Operation: 126-57=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[14, 49, 9, 8], Operations: [] Exploring Operation: 14+49=63, Resulting Numbers: [9, 8, 63] Generated Node #0,0: 69:[9, 8, 63] Operation: 14+49=63 Exploring Operation: 14-9=5, Resulting Numbers: [49, 8, 5] Generated Node #0,1: 69:[49, 8, 5] Operation: 14-9=5 Exploring Operation: 49+9=58, Resulting Numbers: [14, 8, 58] Generated Node #0,2: 69:[14, 8, 58] Operation: 49+9=58 Exploring Operation: 49-14=35, Resulting Numbers: [9, 8, 35] Generated Node #0,3: 69:[9, 8, 35] Operation: 49-14=35 Exploring Operation: 14+9=23, Resulting Numbers: [49, 8, 23] Generated Node #0,4: 69:[49, 8, 23] Operation: 14+9=23 Moving to Node #0,0 Current State: 69:[9, 8, 63], Operations: ['14+49=63'] Exploring Operation: 9-8=1, Resulting Numbers: [63, 1] Generated Node #0,0,0: 69:[63, 1] Operation: 9-8=1 Exploring Operation: 8+63=71, Resulting Numbers: [9, 71] Generated Node #0,0,1: 69:[9, 71] Operation: 8+63=71 Exploring Operation: 63/9=7, Resulting Numbers: [8, 7] Generated Node #0,0,2: 69:[8, 7] Operation: 63/9=7 Exploring Operation: 9*8=72, Resulting Numbers: [63, 72] Generated Node #0,0,3: 69:[63, 72] Operation: 9*8=72 Exploring Operation: 9+63=72, Resulting Numbers: [8, 72] Generated Node #0,0,4: 69:[8, 72] Operation: 9+63=72 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[63, 1], Operations: ['14+49=63', '9-8=1'] Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,69 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,69 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[9, 71], Operations: ['14+49=63', '8+63=71'] Exploring Operation: 71-9=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 9*71=639, Resulting Numbers: [639] 639,69 unequal: No Solution Exploring Operation: 9+71=80, Resulting Numbers: [80] 80,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 69:[8, 72], Operations: ['14+49=63', '9+63=72'] Exploring Operation: 8+72=80, Resulting Numbers: [80] 80,69 unequal: No Solution Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 8*72=576, Resulting Numbers: [576] 576,69 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 69:[8, 7], Operations: ['14+49=63', '63/9=7'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,69 unequal: No Solution Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 69:[63, 72], Operations: ['14+49=63', '9*8=72'] Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 63*72=4536, Resulting Numbers: [4536] 4536,69 unequal: No Solution Exploring Operation: 63+72=135, Resulting Numbers: [135] 135,69 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: 69:[9, 8, 35], Operations: ['49-14=35'] Exploring Operation: 9*8=72, Resulting Numbers: [35, 72] Generated Node #0,3,0: 69:[35, 72] Operation: 9*8=72 Exploring Operation: 9-8=1, Resulting Numbers: [35, 1] Generated Node #0,3,1: 69:[35, 1] Operation: 9-8=1 Exploring Operation: 9+8=17, Resulting Numbers: [35, 17] Generated Node #0,3,2: 69:[35, 17] Operation: 9+8=17 Exploring Operation: 35-9=26, Resulting Numbers: [8, 26] Generated Node #0,3,3: 69:[8, 26] Operation: 35-9=26 Exploring Operation: 35-8=27, Resulting Numbers: [9, 27] Generated Node #0,3,4: 69:[9, 27] Operation: 35-8=27 Moving to Node #0,2 Current State: 69:[14, 8, 58], Operations: ['49+9=58'] Exploring Operation: 58-14=44, Resulting Numbers: [8, 44] Generated Node #0,2,0: 69:[8, 44] Operation: 58-14=44 Exploring Operation: 14+8=22, Resulting Numbers: [58, 22] Generated Node #0,2,1: 69:[58, 22] Operation: 14+8=22 Exploring Operation: 14-8=6, Resulting Numbers: [58, 6] Generated Node #0,2,2: 69:[58, 6] Operation: 14-8=6 Exploring Operation: 8+58=66, Resulting Numbers: [14, 66] Generated Node #0,2,3: 69:[14, 66] Operation: 8+58=66 Exploring Operation: 14+58=72, Resulting Numbers: [8, 72] Generated Node #0,2,4: 69:[8, 72] Operation: 14+58=72 Moving to Node #0,4 Current State: 69:[49, 8, 23], Operations: ['14+9=23'] Exploring Operation: 49-23=26, Resulting Numbers: [8, 26] Generated Node #0,4,0: 69:[8, 26] Operation: 49-23=26 Exploring Operation: 49-8=41, Resulting Numbers: [23, 41] Generated Node #0,4,1: 69:[23, 41] Operation: 49-8=41 Exploring Operation: 49+23=72, Resulting Numbers: [8, 72] Generated Node #0,4,2: 69:[8, 72] Operation: 49+23=72 Exploring Operation: 49+8=57, Resulting Numbers: [23, 57] Generated Node #0,4,3: 69:[23, 57] Operation: 49+8=57 Exploring Operation: 8+23=31, Resulting Numbers: [49, 31] Generated Node #0,4,4: 69:[49, 31] Operation: 8+23=31 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 69:[8, 26], Operations: ['14+9=23', '49-23=26'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,69 unequal: No Solution Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 69:[8, 72], Operations: ['14+9=23', '49+23=72'] Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 8+72=80, Resulting Numbers: [80] 80,69 unequal: No Solution Exploring Operation: 8*72=576, Resulting Numbers: [576] 576,69 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 69:[23, 57], Operations: ['14+9=23', '49+8=57'] Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,69 unequal: No Solution Exploring Operation: 23*57=1311, Resulting Numbers: [1311] 1311,69 unequal: No Solution Exploring Operation: 23+57=80, Resulting Numbers: [80] 80,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 69:[23, 41], Operations: ['14+9=23', '49-8=41'] Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,69 unequal: No Solution Exploring Operation: 23*41=943, Resulting Numbers: [943] 943,69 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 69:[49, 31], Operations: ['14+9=23', '8+23=31'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,69 unequal: No Solution Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,69 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: 69:[49, 8, 5], Operations: ['14-9=5'] Exploring Operation: 49-5=44, Resulting Numbers: [8, 44] Generated Node #0,1,0: 69:[8, 44] Operation: 49-5=44 Exploring Operation: 49+5=54, Resulting Numbers: [8, 54] Generated Node #0,1,1: 69:[8, 54] Operation: 49+5=54 Exploring Operation: 8-5=3, Resulting Numbers: [49, 3] Generated Node #0,1,2: 69:[49, 3] Operation: 8-5=3 Exploring Operation: 49+8=57, Resulting Numbers: [5, 57] Generated Node #0,1,3: 69:[5, 57] Operation: 49+8=57 Exploring Operation: 49-8=41, Resulting Numbers: [5, 41] Generated Node #0,1,4: 69:[5, 41] Operation: 49-8=41 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 69:[5, 57], Operations: ['14-9=5', '49+8=57'] Exploring Operation: 5*57=285, Resulting Numbers: [285] 285,69 unequal: No Solution Exploring Operation: 5+57=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 69:[8, 54], Operations: ['14-9=5', '49+5=54'] Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 8*54=432, Resulting Numbers: [432] 432,69 unequal: No Solution Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 69:[49, 3], Operations: ['14-9=5', '8-5=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,69 unequal: No Solution Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,69 unequal: No Solution Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 69:[5, 41], Operations: ['14-9=5', '49-8=41'] Exploring Operation: 5*41=205, Resulting Numbers: [205] 205,69 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,69 unequal: No Solution Exploring Operation: 5+41=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 69:[8, 44], Operations: ['14-9=5', '49-5=44'] Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,69 unequal: No Solution Exploring Operation: 8+44=52, Resulting Numbers: [52] 52,69 unequal: No Solution Exploring Operation: 8*44=352, Resulting Numbers: [352] 352,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 69:[8, 26], Operations: ['49-14=35', '35-9=26'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,69 unequal: No Solution Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,69 unequal: No Solution Moving to Node #0,2,4 Current State: 69:[8, 72], Operations: ['49+9=58', '14+58=72'] Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,69 unequal: No Solution Exploring Operation: 8+72=80, Resulting Numbers: [80] 80,69 unequal: No Solution Exploring Operation: 8*72=576, Resulting Numbers: [576] 576,69 unequal: No Solution Moving to Node #0,3,4 Current State: 69:[9, 27], Operations: ['49-14=35', '35-8=27'] Exploring Operation: 9*27=243, Resulting Numbers: [243] 243,69 unequal: No Solution Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[58, 22], Operations: ['49+9=58', '14+8=22'] Exploring Operation: 58-22=36, Resulting Numbers: [36] 36,69 unequal: No Solution Exploring Operation: 58+22=80, Resulting Numbers: [80] 80,69 unequal: No Solution Exploring Operation: 58*22=1276, Resulting Numbers: [1276] 1276,69 unequal: No Solution Moving to Node #0,2,3 Current State: 69:[14, 66], Operations: ['49+9=58', '8+58=66'] Exploring Operation: 14*66=924, Resulting Numbers: [924] 924,69 unequal: No Solution Exploring Operation: 14+66=80, Resulting Numbers: [80] 80,69 unequal: No Solution Exploring Operation: 66-14=52, Resulting Numbers: [52] 52,69 unequal: No Solution Moving to Node #0,3,1 Current State: 69:[35, 1], Operations: ['49-14=35', '9-8=1'] Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,69 unequal: No Solution Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,69 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,69 unequal: No Solution Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[58, 6], Operations: ['49+9=58', '14-8=6'] Exploring Operation: 58*6=348, Resulting Numbers: [348] 348,69 unequal: No Solution Exploring Operation: 58+6=64, Resulting Numbers: [64] 64,69 unequal: No Solution Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,69 unequal: No Solution Moving to Node #0,3,0 Current State: 69:[35, 72], Operations: ['49-14=35', '9*8=72'] Exploring Operation: 35*72=2520, Resulting Numbers: [2520] 2520,69 unequal: No Solution Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,69 unequal: No Solution Exploring Operation: 35+72=107, Resulting Numbers: [107] 107,69 unequal: No Solution Moving to Node #0,3,2 Current State: 69:[35, 17], Operations: ['49-14=35', '9+8=17'] Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,69 unequal: No Solution Exploring Operation: 35*17=595, Resulting Numbers: [595] 595,69 unequal: No Solution Moving to Node #0,2,0 Current State: 69:[8, 44], Operations: ['49+9=58', '58-14=44'] Exploring Operation: 8+44=52, Resulting Numbers: [52] 52,69 unequal: No Solution Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,69 unequal: No Solution Exploring Operation: 8*44=352, Resulting Numbers: [352] 352,69 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 76, 56, 37, 18 ]
76
[ "56-37=19", "19-18=1", "76*1=76" ]
Current State: 76:[76, 56, 37, 18], Operations: [] Exploring Operation: 56-37=19, Resulting Numbers: [76, 18, 19] Generated Node #2: [76, 18, 19] from Operation: 56-37=19 Current State: 76:[76, 18, 19], Operations: ['56-37=19'] Exploring Operation: 19-18=1, Resulting Numbers: [76, 1] Generated Node #3: [76, 1] from Operation: 19-18=1 Current State: 76:[76, 1], Operations: ['56-37=19', '19-18=1'] Exploring Operation: 76*1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[76, 56, 37, 18], Operations: [] Exploring Operation: 56-37=19, Resulting Numbers: [76, 18, 19] Generated Node #0,0: 76:[76, 18, 19] Operation: 56-37=19 Exploring Operation: 56-18=38, Resulting Numbers: [76, 37, 38] Generated Node #0,1: 76:[76, 37, 38] Operation: 56-18=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[76, 18, 19], Operations: ['56-37=19'] Exploring Operation: 76/19=4, Resulting Numbers: [18, 4] Generated Node #0,0,0: 76:[18, 4] Operation: 76/19=4 Exploring Operation: 18+19=37, Resulting Numbers: [76, 37] Generated Node #0,0,1: 76:[76, 37] Operation: 18+19=37 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[18, 4], Operations: ['56-37=19', '76/19=4'] Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,76 unequal: No Solution Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,76 unequal: No Solution No 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: 76:[76, 37], Operations: ['56-37=19', '18+19=37'] Exploring Operation: 76-37=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 76+37=113, Resulting Numbers: [113] 113,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[76, 37, 38], Operations: ['56-18=38'] Exploring Operation: 76-38=38, Resulting Numbers: [37, 38] Generated Node #0,1,0: 76:[37, 38] Operation: 76-38=38 Exploring Operation: 76-37=39, Resulting Numbers: [38, 39] Generated Node #0,1,1: 76:[38, 39] Operation: 76-37=39 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[37, 38], Operations: ['56-18=38', '76-38=38'] Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 37+38=75, Resulting Numbers: [75] 75,76 unequal: No Solution No 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: 76:[38, 39], Operations: ['56-18=38', '76-37=39'] Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,76 unequal: No Solution Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 24, 31, 10, 40 ]
25
[ "24+31=55", "40-10=30", "55-30=25" ]
Current State: 25:[24, 31, 10, 40], Operations: [] Exploring Operation: 24+31=55, Resulting Numbers: [10, 40, 55] Generated Node #2: [10, 40, 55] from Operation: 24+31=55 Current State: 25:[10, 40, 55], Operations: ['24+31=55'] Exploring Operation: 40-10=30, Resulting Numbers: [55, 30] Generated Node #3: [55, 30] from Operation: 40-10=30 Current State: 25:[55, 30], Operations: ['24+31=55', '40-10=30'] Exploring Operation: 55-30=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[24, 31, 10, 40], Operations: [] Exploring Operation: 40-31=9, Resulting Numbers: [24, 10, 9] Generated Node #0,0: 25:[24, 10, 9] Operation: 40-31=9 Exploring Operation: 40/10=4, Resulting Numbers: [24, 31, 4] Generated Node #0,1: 25:[24, 31, 4] Operation: 40/10=4 Exploring Operation: 31-10=21, Resulting Numbers: [24, 40, 21] Generated Node #0,2: 25:[24, 40, 21] Operation: 31-10=21 Exploring Operation: 40-24=16, Resulting Numbers: [31, 10, 16] Generated Node #0,3: 25:[31, 10, 16] Operation: 40-24=16 Exploring Operation: 40-10=30, Resulting Numbers: [24, 31, 30] Generated Node #0,4: 25:[24, 31, 30] Operation: 40-10=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[24, 31, 4], Operations: ['40/10=4'] Exploring Operation: 24+4=28, Resulting Numbers: [31, 28] Generated Node #0,1,0: 25:[31, 28] Operation: 24+4=28 Exploring Operation: 31-24=7, Resulting Numbers: [4, 7] Generated Node #0,1,1: 25:[4, 7] Operation: 31-24=7 Exploring Operation: 24-4=20, Resulting Numbers: [31, 20] Generated Node #0,1,2: 25:[31, 20] Operation: 24-4=20 Exploring Operation: 24/4=6, Resulting Numbers: [31, 6] Generated Node #0,1,3: 25:[31, 6] Operation: 24/4=6 Exploring Operation: 31-4=27, Resulting Numbers: [24, 27] Generated Node #0,1,4: 25:[24, 27] Operation: 31-4=27 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[4, 7], Operations: ['40/10=4', '31-24=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 25:[24, 27], Operations: ['40/10=4', '31-4=27'] Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,25 unequal: No Solution Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,25 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 25:[31, 6], Operations: ['40/10=4', '24/4=6'] Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,25 unequal: No Solution Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,25 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[24, 31, 10, 40], Operations: [] Exploring Operation: 40/10=4, Resulting Numbers: [24, 31, 4] Generated Node #0,1: 25:[24, 31, 4] Operation: 40/10=4 Moving to Node #0,1 Current State: 25:[24, 31, 4], Operations: ['40/10=4'] Exploring Operation: 24/4=6, Resulting Numbers: [31, 6] Generated Node #0,1,3: 25:[31, 6] Operation: 24/4=6 Moving to Node #0,1,3 Current State: 25:[31, 6], Operations: ['40/10=4', '24/4=6'] Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 86, 64, 56, 40 ]
74
[ "86-64=22", "56+40=96", "96-22=74" ]
Current State: 74:[86, 64, 56, 40], Operations: [] Exploring Operation: 86-64=22, Resulting Numbers: [56, 40, 22] Generated Node #2: [56, 40, 22] from Operation: 86-64=22 Current State: 74:[56, 40, 22], Operations: ['86-64=22'] Exploring Operation: 56+40=96, Resulting Numbers: [22, 96] Generated Node #3: [22, 96] from Operation: 56+40=96 Current State: 74:[22, 96], Operations: ['86-64=22', '56+40=96'] Exploring Operation: 96-22=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[86, 64, 56, 40], Operations: [] Exploring Operation: 86-64=22, Resulting Numbers: [56, 40, 22] Generated Node #0,0: 74:[56, 40, 22] Operation: 86-64=22 Exploring Operation: 64-56=8, Resulting Numbers: [86, 40, 8] Generated Node #0,1: 74:[86, 40, 8] Operation: 64-56=8 Exploring Operation: 86-56=30, Resulting Numbers: [64, 40, 30] Generated Node #0,2: 74:[64, 40, 30] Operation: 86-56=30 Start Sub Search at level 1: Moving to Node #0,2 Current State: 74:[64, 40, 30], Operations: ['86-56=30'] Exploring Operation: 40+30=70, Resulting Numbers: [64, 70] Generated Node #0,2,0: 74:[64, 70] Operation: 40+30=70 Exploring Operation: 40-30=10, Resulting Numbers: [64, 10] Generated Node #0,2,1: 74:[64, 10] Operation: 40-30=10 Exploring Operation: 64-30=34, Resulting Numbers: [40, 34] Generated Node #0,2,2: 74:[40, 34] Operation: 64-30=34 Moving to Node #0,2,2 Current State: 74:[40, 34], Operations: ['86-56=30', '64-30=34'] Exploring Operation: 40*34=1360, Resulting Numbers: [1360] 1360,74 unequal: No Solution Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[86, 64, 56, 40], Operations: [] Exploring Operation: 86-56=30, Resulting Numbers: [64, 40, 30] Generated Node #0,2: 74:[64, 40, 30] Operation: 86-56=30 Moving to Node #0,2 Current State: 74:[64, 40, 30], Operations: ['86-56=30'] Exploring Operation: 64-30=34, Resulting Numbers: [40, 34] Generated Node #0,2,2: 74:[40, 34] Operation: 64-30=34 Moving to Node #0,2,2 Current State: 74:[40, 34], Operations: ['86-56=30', '64-30=34'] Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 63, 68, 81, 11 ]
97
[ "68-63=5", "81+11=92", "5+92=97" ]
Current State: 97:[63, 68, 81, 11], Operations: [] Exploring Operation: 68-63=5, Resulting Numbers: [81, 11, 5] Generated Node #2: [81, 11, 5] from Operation: 68-63=5 Current State: 97:[81, 11, 5], Operations: ['68-63=5'] Exploring Operation: 81+11=92, Resulting Numbers: [5, 92] Generated Node #3: [5, 92] from Operation: 81+11=92 Current State: 97:[5, 92], Operations: ['68-63=5', '81+11=92'] Exploring Operation: 5+92=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[63, 68, 81, 11], Operations: [] Exploring Operation: 63+11=74, Resulting Numbers: [68, 81, 74] Generated Node #0,0: 97:[68, 81, 74] Operation: 63+11=74 Exploring Operation: 63-11=52, Resulting Numbers: [68, 81, 52] Generated Node #0,1: 97:[68, 81, 52] Operation: 63-11=52 Exploring Operation: 68+11=79, Resulting Numbers: [63, 81, 79] Generated Node #0,2: 97:[63, 81, 79] Operation: 68+11=79 Exploring Operation: 81+11=92, Resulting Numbers: [63, 68, 92] Generated Node #0,3: 97:[63, 68, 92] Operation: 81+11=92 Moving to Node #0,0 Current State: 97:[68, 81, 74], Operations: ['63+11=74'] Exploring Operation: 68+81=149, Resulting Numbers: [74, 149] Generated Node #0,0,0: 97:[74, 149] Operation: 68+81=149 Exploring Operation: 81-68=13, Resulting Numbers: [74, 13] Generated Node #0,0,1: 97:[74, 13] Operation: 81-68=13 Exploring Operation: 68+74=142, Resulting Numbers: [81, 142] Generated Node #0,0,2: 97:[81, 142] Operation: 68+74=142 Exploring Operation: 81+74=155, Resulting Numbers: [68, 155] Generated Node #0,0,3: 97:[68, 155] Operation: 81+74=155 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[81, 142], Operations: ['63+11=74', '68+74=142'] Exploring Operation: 81*142=11502, Resulting Numbers: [11502] 11502,97 unequal: No Solution Exploring Operation: 142-81=61, Resulting Numbers: [61] 61,97 unequal: No Solution Exploring Operation: 81+142=223, Resulting Numbers: [223] 223,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[74, 149], Operations: ['63+11=74', '68+81=149'] Exploring Operation: 149-74=75, Resulting Numbers: [75] 75,97 unequal: No Solution Exploring Operation: 74+149=223, Resulting Numbers: [223] 223,97 unequal: No Solution Exploring Operation: 74*149=11026, Resulting Numbers: [11026] 11026,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[68, 155], Operations: ['63+11=74', '81+74=155'] Exploring Operation: 155-68=87, Resulting Numbers: [87] 87,97 unequal: No Solution Exploring Operation: 68+155=223, Resulting Numbers: [223] 223,97 unequal: No Solution Exploring Operation: 68*155=10540, Resulting Numbers: [10540] 10540,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[74, 13], Operations: ['63+11=74', '81-68=13'] Exploring Operation: 74-13=61, Resulting Numbers: [61] 61,97 unequal: No Solution Exploring Operation: 74*13=962, Resulting Numbers: [962] 962,97 unequal: No Solution Exploring Operation: 74+13=87, Resulting Numbers: [87] 87,97 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: 97:[63, 68, 92], Operations: ['81+11=92'] Exploring Operation: 63+68=131, Resulting Numbers: [92, 131] Generated Node #0,3,0: 97:[92, 131] Operation: 63+68=131 Exploring Operation: 63+92=155, Resulting Numbers: [68, 155] Generated Node #0,3,1: 97:[68, 155] Operation: 63+92=155 Exploring Operation: 92-63=29, Resulting Numbers: [68, 29] Generated Node #0,3,2: 97:[68, 29] Operation: 92-63=29 Exploring Operation: 68-63=5, Resulting Numbers: [92, 5] Generated Node #0,3,3: 97:[92, 5] Operation: 68-63=5 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[92, 131], Operations: ['81+11=92', '63+68=131'] Exploring Operation: 92+131=223, Resulting Numbers: [223] 223,97 unequal: No Solution Exploring Operation: 92*131=12052, Resulting Numbers: [12052] 12052,97 unequal: No Solution Exploring Operation: 131-92=39, Resulting Numbers: [39] 39,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[68, 155], Operations: ['81+11=92', '63+92=155'] Exploring Operation: 155-68=87, Resulting Numbers: [87] 87,97 unequal: No Solution Exploring Operation: 68+155=223, Resulting Numbers: [223] 223,97 unequal: No Solution Exploring Operation: 68*155=10540, Resulting Numbers: [10540] 10540,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 97:[68, 29], Operations: ['81+11=92', '92-63=29'] Exploring Operation: 68-29=39, Resulting Numbers: [39] 39,97 unequal: No Solution Exploring Operation: 68*29=1972, Resulting Numbers: [1972] 1972,97 unequal: No Solution Exploring Operation: 68+29=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[63, 68, 81, 11], Operations: [] Exploring Operation: 81+11=92, Resulting Numbers: [63, 68, 92] Generated Node #0,3: 97:[63, 68, 92] Operation: 81+11=92 Moving to Node #0,3 Current State: 97:[63, 68, 92], Operations: ['81+11=92'] Exploring Operation: 92-63=29, Resulting Numbers: [68, 29] Generated Node #0,3,2: 97:[68, 29] Operation: 92-63=29 Moving to Node #0,3,2 Current State: 97:[68, 29], Operations: ['81+11=92', '92-63=29'] Exploring Operation: 68+29=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
mult_heuristic
[ 73, 67, 35, 25 ]
29
[ "73+67=140", "140/35=4", "25+4=29" ]
Current State: 29:[73, 67, 35, 25], Operations: [] Exploring Operation: 73+67=140, Resulting Numbers: [35, 25, 140] Generated Node #2: [35, 25, 140] from Operation: 73+67=140 Current State: 29:[35, 25, 140], Operations: ['73+67=140'] Exploring Operation: 140/35=4, Resulting Numbers: [25, 4] Generated Node #3: [25, 4] from Operation: 140/35=4 Current State: 29:[25, 4], Operations: ['73+67=140', '140/35=4'] Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[73, 67, 35, 25], Operations: [] Exploring Operation: 67-25=42, Resulting Numbers: [73, 35, 42] Generated Node #0,0: 29:[73, 35, 42] Operation: 67-25=42 Exploring Operation: 73-25=48, Resulting Numbers: [67, 35, 48] Generated Node #0,1: 29:[67, 35, 48] Operation: 73-25=48 Exploring Operation: 73-67=6, Resulting Numbers: [35, 25, 6] Generated Node #0,2: 29:[35, 25, 6] Operation: 73-67=6 Exploring Operation: 73-35=38, Resulting Numbers: [67, 25, 38] Generated Node #0,3: 29:[67, 25, 38] Operation: 73-35=38 Exploring Operation: 67-35=32, Resulting Numbers: [73, 25, 32] Generated Node #0,4: 29:[73, 25, 32] Operation: 67-35=32 Moving to Node #0,2 Current State: 29:[35, 25, 6], Operations: ['73-67=6'] Exploring Operation: 25+6=31, Resulting Numbers: [35, 31] Generated Node #0,2,0: 29:[35, 31] Operation: 25+6=31 Exploring Operation: 35-6=29, Resulting Numbers: [25, 29] Generated Node #0,2,1: 29:[25, 29] Operation: 35-6=29 Exploring Operation: 25-6=19, Resulting Numbers: [35, 19] Generated Node #0,2,2: 29:[35, 19] Operation: 25-6=19 Exploring Operation: 35-25=10, Resulting Numbers: [6, 10] Generated Node #0,2,3: 29:[6, 10] Operation: 35-25=10 Exploring Operation: 35+6=41, Resulting Numbers: [25, 41] Generated Node #0,2,4: 29:[25, 41] Operation: 35+6=41 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 29:[25, 29], Operations: ['73-67=6', '35-6=29'] Exploring Operation: 25+29=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 29-25=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 25*29=725, Resulting Numbers: [725] 725,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 29:[35, 31], Operations: ['73-67=6', '25+6=31'] Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,29 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 29:[35, 19], Operations: ['73-67=6', '25-6=19'] Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,29 unequal: No Solution Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 29:[25, 41], Operations: ['73-67=6', '35+6=41'] Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 25*41=1025, Resulting Numbers: [1025] 1025,29 unequal: No Solution Exploring Operation: 25+41=66, Resulting Numbers: [66] 66,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 29:[6, 10], Operations: ['73-67=6', '35-25=10'] Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,29 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 29:[73, 25, 32], Operations: ['67-35=32'] Exploring Operation: 73-25=48, Resulting Numbers: [32, 48] Generated Node #0,4,0: 29:[32, 48] Operation: 73-25=48 Exploring Operation: 32-25=7, Resulting Numbers: [73, 7] Generated Node #0,4,1: 29:[73, 7] Operation: 32-25=7 Exploring Operation: 73-32=41, Resulting Numbers: [25, 41] Generated Node #0,4,2: 29:[25, 41] Operation: 73-32=41 Exploring Operation: 25+32=57, Resulting Numbers: [73, 57] Generated Node #0,4,3: 29:[73, 57] Operation: 25+32=57 Exploring Operation: 73+25=98, Resulting Numbers: [32, 98] Generated Node #0,4,4: 29:[32, 98] Operation: 73+25=98 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 29:[25, 41], Operations: ['67-35=32', '73-32=41'] Exploring Operation: 25*41=1025, Resulting Numbers: [1025] 1025,29 unequal: No Solution Exploring Operation: 25+41=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 29:[32, 48], Operations: ['67-35=32', '73-25=48'] Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 32+48=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 32*48=1536, Resulting Numbers: [1536] 1536,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 29:[73, 7], Operations: ['67-35=32', '32-25=7'] Exploring Operation: 73+7=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 73*7=511, Resulting Numbers: [511] 511,29 unequal: No Solution Exploring Operation: 73-7=66, Resulting Numbers: [66] 66,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 29:[73, 57], Operations: ['67-35=32', '25+32=57'] Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 73+57=130, Resulting Numbers: [130] 130,29 unequal: No Solution Exploring Operation: 73*57=4161, Resulting Numbers: [4161] 4161,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 29:[32, 98], Operations: ['67-35=32', '73+25=98'] Exploring Operation: 98-32=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 32+98=130, Resulting Numbers: [130] 130,29 unequal: No Solution Exploring Operation: 32*98=3136, Resulting Numbers: [3136] 3136,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 29:[67, 25, 38], Operations: ['73-35=38'] Exploring Operation: 25+38=63, Resulting Numbers: [67, 63] Generated Node #0,3,0: 29:[67, 63] Operation: 25+38=63 Exploring Operation: 67+25=92, Resulting Numbers: [38, 92] Generated Node #0,3,1: 29:[38, 92] Operation: 67+25=92 Exploring Operation: 67-38=29, Resulting Numbers: [25, 29] Generated Node #0,3,2: 29:[25, 29] Operation: 67-38=29 Exploring Operation: 67-25=42, Resulting Numbers: [38, 42] Generated Node #0,3,3: 29:[38, 42] Operation: 67-25=42 Exploring Operation: 38-25=13, Resulting Numbers: [67, 13] Generated Node #0,3,4: 29:[67, 13] Operation: 38-25=13 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 29:[25, 29], Operations: ['73-35=38', '67-38=29'] Exploring Operation: 25+29=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 25*29=725, Resulting Numbers: [725] 725,29 unequal: No Solution Exploring Operation: 29-25=4, Resulting Numbers: [4] 4,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 29:[38, 42], Operations: ['73-35=38', '67-25=42'] Exploring Operation: 38*42=1596, Resulting Numbers: [1596] 1596,29 unequal: No Solution Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 29:[67, 13], Operations: ['73-35=38', '38-25=13'] Exploring Operation: 67+13=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 67-13=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 67*13=871, Resulting Numbers: [871] 871,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 29:[67, 63], Operations: ['73-35=38', '25+38=63'] Exploring Operation: 67-63=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 67*63=4221, Resulting Numbers: [4221] 4221,29 unequal: No Solution Exploring Operation: 67+63=130, Resulting Numbers: [130] 130,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 29:[38, 92], Operations: ['73-35=38', '67+25=92'] Exploring Operation: 38+92=130, Resulting Numbers: [130] 130,29 unequal: No Solution Exploring Operation: 92-38=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 38*92=3496, Resulting Numbers: [3496] 3496,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 29:[73, 35, 42], Operations: ['67-25=42'] Exploring Operation: 73-42=31, Resulting Numbers: [35, 31] Generated Node #0,0,0: 29:[35, 31] Operation: 73-42=31 Exploring Operation: 73+35=108, Resulting Numbers: [42, 108] Generated Node #0,0,1: 29:[42, 108] Operation: 73+35=108 Exploring Operation: 73-35=38, Resulting Numbers: [42, 38] Generated Node #0,0,2: 29:[42, 38] Operation: 73-35=38 Exploring Operation: 42-35=7, Resulting Numbers: [73, 7] Generated Node #0,0,3: 29:[73, 7] Operation: 42-35=7 Exploring Operation: 73+42=115, Resulting Numbers: [35, 115] Generated Node #0,0,4: 29:[35, 115] Operation: 73+42=115 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[35, 31], Operations: ['67-25=42', '73-42=31'] Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,29 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 29:[42, 38], Operations: ['67-25=42', '73-35=38'] Exploring Operation: 42+38=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 42*38=1596, Resulting Numbers: [1596] 1596,29 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 29:[73, 7], Operations: ['67-25=42', '42-35=7'] Exploring Operation: 73-7=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 73+7=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 73*7=511, Resulting Numbers: [511] 511,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[42, 108], Operations: ['67-25=42', '73+35=108'] Exploring Operation: 42+108=150, Resulting Numbers: [150] 150,29 unequal: No Solution Exploring Operation: 42*108=4536, Resulting Numbers: [4536] 4536,29 unequal: No Solution Exploring Operation: 108-42=66, Resulting Numbers: [66] 66,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 29:[35, 115], Operations: ['67-25=42', '73+42=115'] Exploring Operation: 115-35=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 35*115=4025, Resulting Numbers: [4025] 4025,29 unequal: No Solution Exploring Operation: 35+115=150, Resulting Numbers: [150] 150,29 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: 29:[67, 35, 48], Operations: ['73-25=48'] Exploring Operation: 67+48=115, Resulting Numbers: [35, 115] Generated Node #0,1,0: 29:[35, 115] Operation: 67+48=115 Exploring Operation: 67-35=32, Resulting Numbers: [48, 32] Generated Node #0,1,1: 29:[48, 32] Operation: 67-35=32 Exploring Operation: 67+35=102, Resulting Numbers: [48, 102] Generated Node #0,1,2: 29:[48, 102] Operation: 67+35=102 Exploring Operation: 48-35=13, Resulting Numbers: [67, 13] Generated Node #0,1,3: 29:[67, 13] Operation: 48-35=13 Exploring Operation: 67-48=19, Resulting Numbers: [35, 19] Generated Node #0,1,4: 29:[35, 19] Operation: 67-48=19 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 29:[35, 19], Operations: ['73-25=48', '67-48=19'] Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,29 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[48, 32], Operations: ['73-25=48', '67-35=32'] Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 48*32=1536, Resulting Numbers: [1536] 1536,29 unequal: No Solution Exploring Operation: 48+32=80, Resulting Numbers: [80] 80,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 29:[67, 13], Operations: ['73-25=48', '48-35=13'] Exploring Operation: 67*13=871, Resulting Numbers: [871] 871,29 unequal: No Solution Exploring Operation: 67-13=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 67+13=80, Resulting Numbers: [80] 80,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[35, 115], Operations: ['73-25=48', '67+48=115'] Exploring Operation: 115-35=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 35+115=150, Resulting Numbers: [150] 150,29 unequal: No Solution Exploring Operation: 35*115=4025, Resulting Numbers: [4025] 4025,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[48, 102], Operations: ['73-25=48', '67+35=102'] Exploring Operation: 48*102=4896, Resulting Numbers: [4896] 4896,29 unequal: No Solution Exploring Operation: 102-48=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 48+102=150, Resulting Numbers: [150] 150,29 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
[ 16, 19, 99, 52 ]
12
[ "16+19=35", "99-52=47", "47-35=12" ]
Current State: 12:[16, 19, 99, 52], Operations: [] Exploring Operation: 16+19=35, Resulting Numbers: [99, 52, 35] Generated Node #2: [99, 52, 35] from Operation: 16+19=35 Current State: 12:[99, 52, 35], Operations: ['16+19=35'] Exploring Operation: 99-52=47, Resulting Numbers: [35, 47] Generated Node #3: [35, 47] from Operation: 99-52=47 Current State: 12:[35, 47], Operations: ['16+19=35', '99-52=47'] Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[16, 19, 99, 52], Operations: [] Exploring Operation: 99-52=47, Resulting Numbers: [16, 19, 47] Generated Node #0,0: 12:[16, 19, 47] Operation: 99-52=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[16, 19, 47], Operations: ['99-52=47'] Exploring Operation: 47-19=28, Resulting Numbers: [16, 28] Generated Node #0,0,0: 12:[16, 28] Operation: 47-19=28 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[16, 28], Operations: ['99-52=47', '47-19=28'] Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[16, 19, 99, 52], Operations: [] Exploring Operation: 99-52=47, Resulting Numbers: [16, 19, 47] Generated Node #0,0: 12:[16, 19, 47] Operation: 99-52=47 Moving to Node #0,0 Current State: 12:[16, 19, 47], Operations: ['99-52=47'] Exploring Operation: 47-19=28, Resulting Numbers: [16, 28] Generated Node #0,0,0: 12:[16, 28] Operation: 47-19=28 Moving to Node #0,0,0 Current State: 12:[16, 28], Operations: ['99-52=47', '47-19=28'] Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 46, 29, 41, 14 ]
72
[ "46-29=17", "41+14=55", "17+55=72" ]
Current State: 72:[46, 29, 41, 14], Operations: [] Exploring Operation: 46-29=17, Resulting Numbers: [41, 14, 17] Generated Node #2: [41, 14, 17] from Operation: 46-29=17 Current State: 72:[41, 14, 17], Operations: ['46-29=17'] Exploring Operation: 41+14=55, Resulting Numbers: [17, 55] Generated Node #3: [17, 55] from Operation: 41+14=55 Current State: 72:[17, 55], Operations: ['46-29=17', '41+14=55'] Exploring Operation: 17+55=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[46, 29, 41, 14], Operations: [] Exploring Operation: 46+29=75, Resulting Numbers: [41, 14, 75] Generated Node #0,0: 72:[41, 14, 75] Operation: 46+29=75 Exploring Operation: 46-29=17, Resulting Numbers: [41, 14, 17] Generated Node #0,1: 72:[41, 14, 17] Operation: 46-29=17 Exploring Operation: 46-41=5, Resulting Numbers: [29, 14, 5] Generated Node #0,2: 72:[29, 14, 5] Operation: 46-41=5 Exploring Operation: 41-29=12, Resulting Numbers: [46, 14, 12] Generated Node #0,3: 72:[46, 14, 12] Operation: 41-29=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[41, 14, 17], Operations: ['46-29=17'] Exploring Operation: 41-17=24, Resulting Numbers: [14, 24] Generated Node #0,1,0: 72:[14, 24] Operation: 41-17=24 Exploring Operation: 14+17=31, Resulting Numbers: [41, 31] Generated Node #0,1,1: 72:[41, 31] Operation: 14+17=31 Exploring Operation: 41-14=27, Resulting Numbers: [17, 27] Generated Node #0,1,2: 72:[17, 27] Operation: 41-14=27 Exploring Operation: 17-14=3, Resulting Numbers: [41, 3] Generated Node #0,1,3: 72:[41, 3] Operation: 17-14=3 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[14, 24], Operations: ['46-29=17', '41-17=24'] Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,72 unequal: No Solution Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 72:[17, 27], Operations: ['46-29=17', '41-14=27'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,72 unequal: No Solution Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 72:[41, 3], Operations: ['46-29=17', '17-14=3'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,72 unequal: No Solution Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,72 unequal: No Solution Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[41, 31], Operations: ['46-29=17', '14+17=31'] Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 41+31=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[46, 29, 41, 14], Operations: [] Exploring Operation: 46-29=17, Resulting Numbers: [41, 14, 17] Generated Node #0,1: 72:[41, 14, 17] Operation: 46-29=17 Moving to Node #0,1 Current State: 72:[41, 14, 17], Operations: ['46-29=17'] Exploring Operation: 14+17=31, Resulting Numbers: [41, 31] Generated Node #0,1,1: 72:[41, 31] Operation: 14+17=31 Moving to Node #0,1,1 Current State: 72:[41, 31], Operations: ['46-29=17', '14+17=31'] Exploring Operation: 41+31=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_4
mult_heuristic
[ 38, 57, 43, 44 ]
96
[ "38+57=95", "44-43=1", "95+1=96" ]
Current State: 96:[38, 57, 43, 44], Operations: [] Exploring Operation: 38+57=95, Resulting Numbers: [43, 44, 95] Generated Node #2: [43, 44, 95] from Operation: 38+57=95 Current State: 96:[43, 44, 95], Operations: ['38+57=95'] Exploring Operation: 44-43=1, Resulting Numbers: [95, 1] Generated Node #3: [95, 1] from Operation: 44-43=1 Current State: 96:[95, 1], Operations: ['38+57=95', '44-43=1'] Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[38, 57, 43, 44], Operations: [] Exploring Operation: 38+57=95, Resulting Numbers: [43, 44, 95] Generated Node #0,0: 96:[43, 44, 95] Operation: 38+57=95 Exploring Operation: 57-38=19, Resulting Numbers: [43, 44, 19] Generated Node #0,1: 96:[43, 44, 19] Operation: 57-38=19 Moving to Node #0,0 Current State: 96:[43, 44, 95], Operations: ['38+57=95'] Exploring Operation: 95-43=52, Resulting Numbers: [44, 52] Generated Node #0,0,0: 96:[44, 52] Operation: 95-43=52 Exploring Operation: 44-43=1, Resulting Numbers: [95, 1] Generated Node #0,0,1: 96:[95, 1] Operation: 44-43=1 Moving to Node #0,1 Current State: 96:[43, 44, 19], Operations: ['57-38=19'] Exploring Operation: 44-43=1, Resulting Numbers: [19, 1] Generated Node #0,1,0: 96:[19, 1] Operation: 44-43=1 Exploring Operation: 43-19=24, Resulting Numbers: [44, 24] Generated Node #0,1,1: 96:[44, 24] Operation: 43-19=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[19, 1], Operations: ['57-38=19', '44-43=1'] Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,96 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[44, 24], Operations: ['57-38=19', '43-19=24'] Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 44+24=68, Resulting Numbers: [68] 68,96 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: 96:[95, 1], Operations: ['38+57=95', '44-43=1'] Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[38, 57, 43, 44], Operations: [] Exploring Operation: 38+57=95, Resulting Numbers: [43, 44, 95] Generated Node #0,0: 96:[43, 44, 95] Operation: 38+57=95 Moving to Node #0,0 Current State: 96:[43, 44, 95], Operations: ['38+57=95'] Exploring Operation: 44-43=1, Resulting Numbers: [95, 1] Generated Node #0,0,1: 96:[95, 1] Operation: 44-43=1 Moving to Node #0,0,1 Current State: 96:[95, 1], Operations: ['38+57=95', '44-43=1'] Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 29, 27, 7, 98 ]
90
[ "29+27=56", "56/7=8", "98-8=90" ]
Current State: 90:[29, 27, 7, 98], Operations: [] Exploring Operation: 29+27=56, Resulting Numbers: [7, 98, 56] Generated Node #2: [7, 98, 56] from Operation: 29+27=56 Current State: 90:[7, 98, 56], Operations: ['29+27=56'] Exploring Operation: 56/7=8, Resulting Numbers: [98, 8] Generated Node #3: [98, 8] from Operation: 56/7=8 Current State: 90:[98, 8], Operations: ['29+27=56', '56/7=8'] Exploring Operation: 98-8=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[29, 27, 7, 98], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [7, 98, 2] Generated Node #0,0: 90:[7, 98, 2] Operation: 29-27=2 Exploring Operation: 27-7=20, Resulting Numbers: [29, 98, 20] Generated Node #0,1: 90:[29, 98, 20] Operation: 27-7=20 Exploring Operation: 98-7=91, Resulting Numbers: [29, 27, 91] Generated Node #0,2: 90:[29, 27, 91] Operation: 98-7=91 Exploring Operation: 98/7=14, Resulting Numbers: [29, 27, 14] Generated Node #0,3: 90:[29, 27, 14] Operation: 98/7=14 Moving to Node #0,2 Current State: 90:[29, 27, 91], Operations: ['98-7=91'] Exploring Operation: 29-27=2, Resulting Numbers: [91, 2] Generated Node #0,2,0: 90:[91, 2] Operation: 29-27=2 Exploring Operation: 91-27=64, Resulting Numbers: [29, 64] Generated Node #0,2,1: 90:[29, 64] Operation: 91-27=64 Exploring Operation: 91-29=62, Resulting Numbers: [27, 62] Generated Node #0,2,2: 90:[27, 62] Operation: 91-29=62 Exploring Operation: 29+27=56, Resulting Numbers: [91, 56] Generated Node #0,2,3: 90:[91, 56] Operation: 29+27=56 Moving to Node #0,3 Current State: 90:[29, 27, 14], Operations: ['98/7=14'] Exploring Operation: 29-14=15, Resulting Numbers: [27, 15] Generated Node #0,3,0: 90:[27, 15] Operation: 29-14=15 Exploring Operation: 29+14=43, Resulting Numbers: [27, 43] Generated Node #0,3,1: 90:[27, 43] Operation: 29+14=43 Exploring Operation: 29-27=2, Resulting Numbers: [14, 2] Generated Node #0,3,2: 90:[14, 2] Operation: 29-27=2 Exploring Operation: 27-14=13, Resulting Numbers: [29, 13] Generated Node #0,3,3: 90:[29, 13] Operation: 27-14=13 Moving to Node #0,0 Current State: 90:[7, 98, 2], Operations: ['29-27=2'] Exploring Operation: 98/7=14, Resulting Numbers: [2, 14] Generated Node #0,0,0: 90:[2, 14] Operation: 98/7=14 Exploring Operation: 98-7=91, Resulting Numbers: [2, 91] Generated Node #0,0,1: 90:[2, 91] Operation: 98-7=91 Exploring Operation: 98/2=49, Resulting Numbers: [7, 49] Generated Node #0,0,2: 90:[7, 49] Operation: 98/2=49 Exploring Operation: 98-2=96, Resulting Numbers: [7, 96] Generated Node #0,0,3: 90:[7, 96] Operation: 98-2=96 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[2, 14], Operations: ['29-27=2', '98/7=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,90 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,90 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,90 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:[2, 91], Operations: ['29-27=2', '98-7=91'] Exploring Operation: 2*91=182, Resulting Numbers: [182] 182,90 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,90 unequal: No Solution Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,90 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:[7, 49], Operations: ['29-27=2', '98/2=49'] Exploring Operation: 7+49=56, Resulting Numbers: [56] 56,90 unequal: No Solution Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 49/7=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 7*49=343, Resulting Numbers: [343] 343,90 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 #0,0,3 Current State: 90:[7, 96], Operations: ['29-27=2', '98-2=96'] Exploring Operation: 7*96=672, Resulting Numbers: [672] 672,90 unequal: No Solution Exploring Operation: 96-7=89, Resulting Numbers: [89] 89,90 unequal: No Solution Exploring Operation: 7+96=103, Resulting Numbers: [103] 103,90 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:[29, 98, 20], Operations: ['27-7=20'] Exploring Operation: 98-29=69, Resulting Numbers: [20, 69] Generated Node #0,1,0: 90:[20, 69] Operation: 98-29=69 Exploring Operation: 29-20=9, Resulting Numbers: [98, 9] Generated Node #0,1,1: 90:[98, 9] Operation: 29-20=9 Exploring Operation: 98-20=78, Resulting Numbers: [29, 78] Generated Node #0,1,2: 90:[29, 78] Operation: 98-20=78 Exploring Operation: 29+20=49, Resulting Numbers: [98, 49] Generated Node #0,1,3: 90:[98, 49] Operation: 29+20=49 Moving to Node #0,2,0 Current State: 90:[91, 2], Operations: ['98-7=91', '29-27=2'] Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,90 unequal: No Solution Exploring Operation: 91*2=182, Resulting Numbers: [182] 182,90 unequal: No Solution Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,90 unequal: No Solution Moving to Node #0,3,2 Current State: 90:[14, 2], Operations: ['98/7=14', '29-27=2'] Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,90 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,90 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,90 unequal: No Solution Moving to Node #0,3,0 Current State: 90:[27, 15], Operations: ['98/7=14', '29-14=15'] Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,90 unequal: No Solution Exploring Operation: 27+15=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 27*15=405, Resulting Numbers: [405] 405,90 unequal: No Solution Moving to Node #0,3,3 Current State: 90:[29, 13], Operations: ['98/7=14', '27-14=13'] Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 29*13=377, Resulting Numbers: [377] 377,90 unequal: No Solution Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,90 unequal: No Solution Moving to Node #0,3,1 Current State: 90:[27, 43], Operations: ['98/7=14', '29+14=43'] Exploring Operation: 27+43=70, Resulting Numbers: [70] 70,90 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 27*43=1161, Resulting Numbers: [1161] 1161,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[98, 9], Operations: ['27-7=20', '29-20=9'] Exploring Operation: 98*9=882, Resulting Numbers: [882] 882,90 unequal: No Solution Exploring Operation: 98+9=107, Resulting Numbers: [107] 107,90 unequal: No Solution Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,90 unequal: No Solution Moving to Node #0,1,3 Current State: 90:[98, 49], Operations: ['27-7=20', '29+20=49'] Exploring Operation: 98/49=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 98+49=147, Resulting Numbers: [147] 147,90 unequal: No Solution Exploring Operation: 98-49=49, Resulting Numbers: [49] 49,90 unequal: No Solution Exploring Operation: 98*49=4802, Resulting Numbers: [4802] 4802,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[91, 56], Operations: ['98-7=91', '29+27=56'] Exploring Operation: 91-56=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 91*56=5096, Resulting Numbers: [5096] 5096,90 unequal: No Solution Exploring Operation: 91+56=147, Resulting Numbers: [147] 147,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[29, 78], Operations: ['27-7=20', '98-20=78'] Exploring Operation: 29+78=107, Resulting Numbers: [107] 107,90 unequal: No Solution Exploring Operation: 29*78=2262, Resulting Numbers: [2262] 2262,90 unequal: No Solution Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[27, 62], Operations: ['98-7=91', '91-29=62'] Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 27*62=1674, Resulting Numbers: [1674] 1674,90 unequal: No Solution Exploring Operation: 27+62=89, Resulting Numbers: [89] 89,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[29, 64], Operations: ['98-7=91', '91-27=64'] Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 29+64=93, Resulting Numbers: [93] 93,90 unequal: No Solution Exploring Operation: 29*64=1856, Resulting Numbers: [1856] 1856,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[20, 69], Operations: ['27-7=20', '98-29=69'] Exploring Operation: 20*69=1380, Resulting Numbers: [1380] 1380,90 unequal: No Solution Exploring Operation: 20+69=89, Resulting Numbers: [89] 89,90 unequal: No Solution Exploring Operation: 69-20=49, Resulting Numbers: [49] 49,90 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 11, 32, 8, 74 ]
46
[ "11*8=88", "74-32=42", "88-42=46" ]
Current State: 46:[11, 32, 8, 74], Operations: [] Exploring Operation: 11*8=88, Resulting Numbers: [32, 74, 88] Generated Node #2: [32, 74, 88] from Operation: 11*8=88 Current State: 46:[32, 74, 88], Operations: ['11*8=88'] Exploring Operation: 74-32=42, Resulting Numbers: [88, 42] Generated Node #3: [88, 42] from Operation: 74-32=42 Current State: 46:[88, 42], Operations: ['11*8=88', '74-32=42'] Exploring Operation: 88-42=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[11, 32, 8, 74], Operations: [] Exploring Operation: 32-11=21, Resulting Numbers: [8, 74, 21] Generated Node #0,0: 46:[8, 74, 21] Operation: 32-11=21 Exploring Operation: 74-32=42, Resulting Numbers: [11, 8, 42] Generated Node #0,1: 46:[11, 8, 42] Operation: 74-32=42 Exploring Operation: 74-11=63, Resulting Numbers: [32, 8, 63] Generated Node #0,2: 46:[32, 8, 63] Operation: 74-11=63 Exploring Operation: 11-8=3, Resulting Numbers: [32, 74, 3] Generated Node #0,3: 46:[32, 74, 3] Operation: 11-8=3 Exploring Operation: 11+32=43, Resulting Numbers: [8, 74, 43] Generated Node #0,4: 46:[8, 74, 43] Operation: 11+32=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[11, 8, 42], Operations: ['74-32=42'] Exploring Operation: 11+8=19, Resulting Numbers: [42, 19] Generated Node #0,1,0: 46:[42, 19] Operation: 11+8=19 Exploring Operation: 42-11=31, Resulting Numbers: [8, 31] Generated Node #0,1,1: 46:[8, 31] Operation: 42-11=31 Exploring Operation: 8+42=50, Resulting Numbers: [11, 50] Generated Node #0,1,2: 46:[11, 50] Operation: 8+42=50 Exploring Operation: 11+42=53, Resulting Numbers: [8, 53] Generated Node #0,1,3: 46:[8, 53] Operation: 11+42=53 Exploring Operation: 11-8=3, Resulting Numbers: [42, 3] Generated Node #0,1,4: 46:[42, 3] Operation: 11-8=3 Moving to Node #0,1,4 Current State: 46:[42, 3], Operations: ['74-32=42', '11-8=3'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,46 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[42, 19], Operations: ['74-32=42', '11+8=19'] Exploring Operation: 42*19=798, Resulting Numbers: [798] 798,46 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 42+19=61, Resulting Numbers: [61] 61,46 unequal: No Solution Moving to Node #0,1,2 Current State: 46:[11, 50], Operations: ['74-32=42', '8+42=50'] Exploring Operation: 11+50=61, Resulting Numbers: [61] 61,46 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 11*50=550, Resulting Numbers: [550] 550,46 unequal: No Solution Moving to Node #0,1,3 Current State: 46:[8, 53], Operations: ['74-32=42', '11+42=53'] Exploring Operation: 8*53=424, Resulting Numbers: [424] 424,46 unequal: No Solution Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 8+53=61, Resulting Numbers: [61] 61,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[8, 31], Operations: ['74-32=42', '42-11=31'] Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,46 unequal: No Solution No 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: 46:[32, 8, 63], Operations: ['74-11=63'] Exploring Operation: 63-32=31, Resulting Numbers: [8, 31] Generated Node #0,2,0: 46:[8, 31] Operation: 63-32=31 Exploring Operation: 32+8=40, Resulting Numbers: [63, 40] Generated Node #0,2,1: 46:[63, 40] Operation: 32+8=40 Exploring Operation: 63-8=55, Resulting Numbers: [32, 55] Generated Node #0,2,2: 46:[32, 55] Operation: 63-8=55 Exploring Operation: 32-8=24, Resulting Numbers: [63, 24] Generated Node #0,2,3: 46:[63, 24] Operation: 32-8=24 Exploring Operation: 32/8=4, Resulting Numbers: [63, 4] Generated Node #0,2,4: 46:[63, 4] Operation: 32/8=4 Moving to Node #0,2,0 Current State: 46:[8, 31], Operations: ['74-11=63', '63-32=31'] Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,46 unequal: No Solution Moving to Node #0,2,3 Current State: 46:[63, 24], Operations: ['74-11=63', '32-8=24'] Exploring Operation: 63+24=87, Resulting Numbers: [87] 87,46 unequal: No Solution Exploring Operation: 63*24=1512, Resulting Numbers: [1512] 1512,46 unequal: No Solution Exploring Operation: 63-24=39, Resulting Numbers: [39] 39,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[32, 55], Operations: ['74-11=63', '63-8=55'] Exploring Operation: 32+55=87, Resulting Numbers: [87] 87,46 unequal: No Solution Exploring Operation: 32*55=1760, Resulting Numbers: [1760] 1760,46 unequal: No Solution Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,46 unequal: No Solution Moving to Node #0,2,4 Current State: 46:[63, 4], Operations: ['74-11=63', '32/8=4'] Exploring Operation: 63+4=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 63*4=252, Resulting Numbers: [252] 252,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[63, 40], Operations: ['74-11=63', '32+8=40'] Exploring Operation: 63+40=103, Resulting Numbers: [103] 103,46 unequal: No Solution Exploring Operation: 63*40=2520, Resulting Numbers: [2520] 2520,46 unequal: No Solution Exploring Operation: 63-40=23, Resulting Numbers: [23] 23,46 unequal: No Solution No 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: 46:[8, 74, 21], Operations: ['32-11=21'] Exploring Operation: 21-8=13, Resulting Numbers: [74, 13] Generated Node #0,0,0: 46:[74, 13] Operation: 21-8=13 Exploring Operation: 8+74=82, Resulting Numbers: [21, 82] Generated Node #0,0,1: 46:[21, 82] Operation: 8+74=82 Exploring Operation: 74-8=66, Resulting Numbers: [21, 66] Generated Node #0,0,2: 46:[21, 66] Operation: 74-8=66 Exploring Operation: 8+21=29, Resulting Numbers: [74, 29] Generated Node #0,0,3: 46:[74, 29] Operation: 8+21=29 Exploring Operation: 74-21=53, Resulting Numbers: [8, 53] Generated Node #0,0,4: 46:[8, 53] Operation: 74-21=53 Moving to Node #0,0,4 Current State: 46:[8, 53], Operations: ['32-11=21', '74-21=53'] Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 8+53=61, Resulting Numbers: [61] 61,46 unequal: No Solution Exploring Operation: 8*53=424, Resulting Numbers: [424] 424,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[21, 66], Operations: ['32-11=21', '74-8=66'] Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 21*66=1386, Resulting Numbers: [1386] 1386,46 unequal: No Solution Exploring Operation: 21+66=87, Resulting Numbers: [87] 87,46 unequal: No Solution Moving to Node #0,0,3 Current State: 46:[74, 29], Operations: ['32-11=21', '8+21=29'] Exploring Operation: 74*29=2146, Resulting Numbers: [2146] 2146,46 unequal: No Solution Exploring Operation: 74+29=103, Resulting Numbers: [103] 103,46 unequal: No Solution Exploring Operation: 74-29=45, Resulting Numbers: [45] 45,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[74, 13], Operations: ['32-11=21', '21-8=13'] Exploring Operation: 74+13=87, Resulting Numbers: [87] 87,46 unequal: No Solution Exploring Operation: 74*13=962, Resulting Numbers: [962] 962,46 unequal: No Solution Exploring Operation: 74-13=61, Resulting Numbers: [61] 61,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[21, 82], Operations: ['32-11=21', '8+74=82'] Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,46 unequal: No Solution Exploring Operation: 21*82=1722, Resulting Numbers: [1722] 1722,46 unequal: No Solution Exploring Operation: 21+82=103, Resulting Numbers: [103] 103,46 unequal: No Solution No 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: 46:[8, 74, 43], Operations: ['11+32=43'] Exploring Operation: 8+43=51, Resulting Numbers: [74, 51] Generated Node #0,4,0: 46:[74, 51] Operation: 8+43=51 Exploring Operation: 74-43=31, Resulting Numbers: [8, 31] Generated Node #0,4,1: 46:[8, 31] Operation: 74-43=31 Exploring Operation: 8+74=82, Resulting Numbers: [43, 82] Generated Node #0,4,2: 46:[43, 82] Operation: 8+74=82 Exploring Operation: 43-8=35, Resulting Numbers: [74, 35] Generated Node #0,4,3: 46:[74, 35] Operation: 43-8=35 Exploring Operation: 74-8=66, Resulting Numbers: [43, 66] Generated Node #0,4,4: 46:[43, 66] Operation: 74-8=66 Moving to Node #0,4,1 Current State: 46:[8, 31], Operations: ['11+32=43', '74-43=31'] Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,46 unequal: No Solution Moving to Node #0,4,4 Current State: 46:[43, 66], Operations: ['11+32=43', '74-8=66'] Exploring Operation: 43*66=2838, Resulting Numbers: [2838] 2838,46 unequal: No Solution Exploring Operation: 66-43=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 43+66=109, Resulting Numbers: [109] 109,46 unequal: No Solution Moving to Node #0,4,0 Current State: 46:[74, 51], Operations: ['11+32=43', '8+43=51'] Exploring Operation: 74+51=125, Resulting Numbers: [125] 125,46 unequal: No Solution Exploring Operation: 74-51=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 74*51=3774, Resulting Numbers: [3774] 3774,46 unequal: No Solution Moving to Node #0,4,2 Current State: 46:[43, 82], Operations: ['11+32=43', '8+74=82'] Exploring Operation: 43+82=125, Resulting Numbers: [125] 125,46 unequal: No Solution Exploring Operation: 82-43=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 43*82=3526, Resulting Numbers: [3526] 3526,46 unequal: No Solution Moving to Node #0,4,3 Current State: 46:[74, 35], Operations: ['11+32=43', '43-8=35'] Exploring Operation: 74-35=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 74*35=2590, Resulting Numbers: [2590] 2590,46 unequal: No Solution Exploring Operation: 74+35=109, Resulting Numbers: [109] 109,46 unequal: No Solution No 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: 46:[32, 74, 3], Operations: ['11-8=3'] Exploring Operation: 74-32=42, Resulting Numbers: [3, 42] Generated Node #0,3,0: 46:[3, 42] Operation: 74-32=42 Exploring Operation: 32+3=35, Resulting Numbers: [74, 35] Generated Node #0,3,1: 46:[74, 35] Operation: 32+3=35 Exploring Operation: 32-3=29, Resulting Numbers: [74, 29] Generated Node #0,3,2: 46:[74, 29] Operation: 32-3=29 Exploring Operation: 74-3=71, Resulting Numbers: [32, 71] Generated Node #0,3,3: 46:[32, 71] Operation: 74-3=71 Exploring Operation: 74+3=77, Resulting Numbers: [32, 77] Generated Node #0,3,4: 46:[32, 77] Operation: 74+3=77 Moving to Node #0,3,0 Current State: 46:[3, 42], Operations: ['11-8=3', '74-32=42'] Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 3*42=126, Resulting Numbers: [126] 126,46 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,46 unequal: No Solution Moving to Node #0,3,3 Current State: 46:[32, 71], Operations: ['11-8=3', '74-3=71'] Exploring Operation: 32+71=103, Resulting Numbers: [103] 103,46 unequal: No Solution Exploring Operation: 32*71=2272, Resulting Numbers: [2272] 2272,46 unequal: No Solution Exploring Operation: 71-32=39, Resulting Numbers: [39] 39,46 unequal: No Solution Moving to Node #0,3,2 Current State: 46:[74, 29], Operations: ['11-8=3', '32-3=29'] Exploring Operation: 74-29=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 74*29=2146, Resulting Numbers: [2146] 2146,46 unequal: No Solution Exploring Operation: 74+29=103, Resulting Numbers: [103] 103,46 unequal: No Solution Moving to Node #0,3,1 Current State: 46:[74, 35], Operations: ['11-8=3', '32+3=35'] Exploring Operation: 74*35=2590, Resulting Numbers: [2590] 2590,46 unequal: No Solution Exploring Operation: 74+35=109, Resulting Numbers: [109] 109,46 unequal: No Solution Exploring Operation: 74-35=39, Resulting Numbers: [39] 39,46 unequal: No Solution Moving to Node #0,3,4 Current State: 46:[32, 77], Operations: ['11-8=3', '74+3=77'] Exploring Operation: 32+77=109, Resulting Numbers: [109] 109,46 unequal: No Solution Exploring Operation: 32*77=2464, Resulting Numbers: [2464] 2464,46 unequal: No Solution Exploring Operation: 77-32=45, Resulting Numbers: [45] 45,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 9, 58, 79, 74 ]
62
[ "9+58=67", "79-74=5", "67-5=62" ]
Current State: 62:[9, 58, 79, 74], Operations: [] Exploring Operation: 9+58=67, Resulting Numbers: [79, 74, 67] Generated Node #2: [79, 74, 67] from Operation: 9+58=67 Current State: 62:[79, 74, 67], Operations: ['9+58=67'] Exploring Operation: 79-74=5, Resulting Numbers: [67, 5] Generated Node #3: [67, 5] from Operation: 79-74=5 Current State: 62:[67, 5], Operations: ['9+58=67', '79-74=5'] Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[9, 58, 79, 74], Operations: [] Exploring Operation: 79-74=5, Resulting Numbers: [9, 58, 5] Generated Node #0,0: 62:[9, 58, 5] Operation: 79-74=5 Exploring Operation: 79-9=70, Resulting Numbers: [58, 74, 70] Generated Node #0,1: 62:[58, 74, 70] Operation: 79-9=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[9, 58, 5], Operations: ['79-74=5'] Exploring Operation: 9-5=4, Resulting Numbers: [58, 4] Generated Node #0,0,0: 62:[58, 4] Operation: 9-5=4 Exploring Operation: 9+58=67, Resulting Numbers: [5, 67] Generated Node #0,0,1: 62:[5, 67] Operation: 9+58=67 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[58, 4], Operations: ['79-74=5', '9-5=4'] Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[9, 58, 79, 74], Operations: [] Exploring Operation: 79-74=5, Resulting Numbers: [9, 58, 5] Generated Node #0,0: 62:[9, 58, 5] Operation: 79-74=5 Moving to Node #0,0 Current State: 62:[9, 58, 5], Operations: ['79-74=5'] Exploring Operation: 9-5=4, Resulting Numbers: [58, 4] Generated Node #0,0,0: 62:[58, 4] Operation: 9-5=4 Moving to Node #0,0,0 Current State: 62:[58, 4], Operations: ['79-74=5', '9-5=4'] Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 23, 44, 65, 36 ]
89
[ "23*65=1495", "44*36=1584", "1584-1495=89" ]
Current State: 89:[23, 44, 65, 36], Operations: [] Exploring Operation: 23*65=1495, Resulting Numbers: [44, 36, 1495] Generated Node #2: [44, 36, 1495] from Operation: 23*65=1495 Current State: 89:[44, 36, 1495], Operations: ['23*65=1495'] Exploring Operation: 44*36=1584, Resulting Numbers: [1495, 1584] Generated Node #3: [1495, 1584] from Operation: 44*36=1584 Current State: 89:[1495, 1584], Operations: ['23*65=1495', '44*36=1584'] Exploring Operation: 1584-1495=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[23, 44, 65, 36], Operations: [] Exploring Operation: 23+65=88, Resulting Numbers: [44, 36, 88] Generated Node #0,0: 89:[44, 36, 88] Operation: 23+65=88 Exploring Operation: 23+44=67, Resulting Numbers: [65, 36, 67] Generated Node #0,1: 89:[65, 36, 67] Operation: 23+44=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[44, 36, 88], Operations: ['23+65=88'] Exploring Operation: 36+88=124, Resulting Numbers: [44, 124] Generated Node #0,0,0: 89:[44, 124] Operation: 36+88=124 Exploring Operation: 44+36=80, Resulting Numbers: [88, 80] Generated Node #0,0,1: 89:[88, 80] Operation: 44+36=80 Moving to Node #0,0,1 Current State: 89:[88, 80], Operations: ['23+65=88', '44+36=80'] Exploring Operation: 88+80=168, Resulting Numbers: [168] 168,89 unequal: No Solution Exploring Operation: 88-80=8, Resulting Numbers: [8] 8,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[44, 124], Operations: ['23+65=88', '36+88=124'] Exploring Operation: 124-44=80, Resulting Numbers: [80] 80,89 unequal: No Solution Exploring Operation: 44+124=168, Resulting Numbers: [168] 168,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[65, 36, 67], Operations: ['23+44=67'] Exploring Operation: 65+36=101, Resulting Numbers: [67, 101] Generated Node #0,1,0: 89:[67, 101] Operation: 65+36=101 Exploring Operation: 36+67=103, Resulting Numbers: [65, 103] Generated Node #0,1,1: 89:[65, 103] Operation: 36+67=103 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 89:[67, 101], Operations: ['23+44=67', '65+36=101'] Exploring Operation: 101-67=34, Resulting Numbers: [34] 34,89 unequal: No Solution Exploring Operation: 67+101=168, Resulting Numbers: [168] 168,89 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, 103], Operations: ['23+44=67', '36+67=103'] Exploring Operation: 65+103=168, Resulting Numbers: [168] 168,89 unequal: No Solution Exploring Operation: 103-65=38, Resulting Numbers: [38] 38,89 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_2
sum_heuristic
[ 99, 39, 7, 2 ]
14
[ "99+7=106", "106/2=53", "53-39=14" ]
Current State: 14:[99, 39, 7, 2], Operations: [] Exploring Operation: 99+7=106, Resulting Numbers: [39, 2, 106] Generated Node #2: [39, 2, 106] from Operation: 99+7=106 Current State: 14:[39, 2, 106], Operations: ['99+7=106'] Exploring Operation: 106/2=53, Resulting Numbers: [39, 53] Generated Node #3: [39, 53] from Operation: 106/2=53 Current State: 14:[39, 53], Operations: ['99+7=106', '106/2=53'] Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[99, 39, 7, 2], Operations: [] Exploring Operation: 99-7=92, Resulting Numbers: [39, 2, 92] Generated Node #0,0: 14:[39, 2, 92] Operation: 99-7=92 Exploring Operation: 99-39=60, Resulting Numbers: [7, 2, 60] Generated Node #0,1: 14:[7, 2, 60] Operation: 99-39=60 Exploring Operation: 39-7=32, Resulting Numbers: [99, 2, 32] Generated Node #0,2: 14:[99, 2, 32] Operation: 39-7=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[7, 2, 60], Operations: ['99-39=60'] Exploring Operation: 60/2=30, Resulting Numbers: [7, 30] Generated Node #0,1,0: 14:[7, 30] Operation: 60/2=30 Exploring Operation: 60-2=58, Resulting Numbers: [7, 58] Generated Node #0,1,1: 14:[7, 58] Operation: 60-2=58 Exploring Operation: 60-7=53, Resulting Numbers: [2, 53] Generated Node #0,1,2: 14:[2, 53] Operation: 60-7=53 Moving to Node #0,1,0 Current State: 14:[7, 30], Operations: ['99-39=60', '60/2=30'] Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,14 unequal: No Solution Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,14 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,14 unequal: No Solution Moving to Node #0,1,2 Current State: 14:[2, 53], Operations: ['99-39=60', '60-7=53'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,14 unequal: No Solution Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,14 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[7, 58], Operations: ['99-39=60', '60-2=58'] Exploring Operation: 7*58=406, Resulting Numbers: [406] 406,14 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,14 unequal: No Solution Exploring Operation: 7+58=65, Resulting Numbers: [65] 65,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[39, 2, 92], Operations: ['99-7=92'] Exploring Operation: 92-39=53, Resulting Numbers: [2, 53] Generated Node #0,0,0: 14:[2, 53] Operation: 92-39=53 Exploring Operation: 92/2=46, Resulting Numbers: [39, 46] Generated Node #0,0,1: 14:[39, 46] Operation: 92/2=46 Exploring Operation: 39-2=37, Resulting Numbers: [92, 37] Generated Node #0,0,2: 14:[92, 37] Operation: 39-2=37 Moving to Node #0,0,0 Current State: 14:[2, 53], Operations: ['99-7=92', '92-39=53'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,14 unequal: No Solution Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,14 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[39, 46], Operations: ['99-7=92', '92/2=46'] Exploring Operation: 39+46=85, Resulting Numbers: [85] 85,14 unequal: No Solution Exploring Operation: 39*46=1794, Resulting Numbers: [1794] 1794,14 unequal: No Solution Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[92, 37], Operations: ['99-7=92', '39-2=37'] Exploring Operation: 92+37=129, Resulting Numbers: [129] 129,14 unequal: No Solution Exploring Operation: 92-37=55, Resulting Numbers: [55] 55,14 unequal: No Solution Exploring Operation: 92*37=3404, Resulting Numbers: [3404] 3404,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[99, 2, 32], Operations: ['39-7=32'] Exploring Operation: 99-2=97, Resulting Numbers: [32, 97] Generated Node #0,2,0: 14:[32, 97] Operation: 99-2=97 Exploring Operation: 32/2=16, Resulting Numbers: [99, 16] Generated Node #0,2,1: 14:[99, 16] Operation: 32/2=16 Exploring Operation: 99-32=67, Resulting Numbers: [2, 67] Generated Node #0,2,2: 14:[2, 67] Operation: 99-32=67 Moving to Node #0,2,2 Current State: 14:[2, 67], Operations: ['39-7=32', '99-32=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,14 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,14 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[99, 16], Operations: ['39-7=32', '32/2=16'] Exploring Operation: 99*16=1584, Resulting Numbers: [1584] 1584,14 unequal: No Solution Exploring Operation: 99-16=83, Resulting Numbers: [83] 83,14 unequal: No Solution Exploring Operation: 99+16=115, Resulting Numbers: [115] 115,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[32, 97], Operations: ['39-7=32', '99-2=97'] Exploring Operation: 32*97=3104, Resulting Numbers: [3104] 3104,14 unequal: No Solution Exploring Operation: 32+97=129, Resulting Numbers: [129] 129,14 unequal: No Solution Exploring Operation: 97-32=65, Resulting Numbers: [65] 65,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 51, 79, 75, 18 ]
73
[ "51+79=130", "75-18=57", "130-57=73" ]
Current State: 73:[51, 79, 75, 18], Operations: [] Exploring Operation: 51+79=130, Resulting Numbers: [75, 18, 130] Generated Node #2: [75, 18, 130] from Operation: 51+79=130 Current State: 73:[75, 18, 130], Operations: ['51+79=130'] Exploring Operation: 75-18=57, Resulting Numbers: [130, 57] Generated Node #3: [130, 57] from Operation: 75-18=57 Current State: 73:[130, 57], Operations: ['51+79=130', '75-18=57'] Exploring Operation: 130-57=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[51, 79, 75, 18], Operations: [] Exploring Operation: 79-18=61, Resulting Numbers: [51, 75, 61] Generated Node #0,0: 73:[51, 75, 61] Operation: 79-18=61 Exploring Operation: 75-18=57, Resulting Numbers: [51, 79, 57] Generated Node #0,1: 73:[51, 79, 57] Operation: 75-18=57 Exploring Operation: 51-18=33, Resulting Numbers: [79, 75, 33] Generated Node #0,2: 73:[79, 75, 33] Operation: 51-18=33 Exploring Operation: 51+18=69, Resulting Numbers: [79, 75, 69] Generated Node #0,3: 73:[79, 75, 69] Operation: 51+18=69 Moving to Node #0,3 Current State: 73:[79, 75, 69], Operations: ['51+18=69'] Exploring Operation: 79+69=148, Resulting Numbers: [75, 148] Generated Node #0,3,0: 73:[75, 148] Operation: 79+69=148 Exploring Operation: 79-69=10, Resulting Numbers: [75, 10] Generated Node #0,3,1: 73:[75, 10] Operation: 79-69=10 Exploring Operation: 75-69=6, Resulting Numbers: [79, 6] Generated Node #0,3,2: 73:[79, 6] Operation: 75-69=6 Exploring Operation: 79-75=4, Resulting Numbers: [69, 4] Generated Node #0,3,3: 73:[69, 4] Operation: 79-75=4 Moving to Node #0,0 Current State: 73:[51, 75, 61], Operations: ['79-18=61'] Exploring Operation: 51+75=126, Resulting Numbers: [61, 126] Generated Node #0,0,0: 73:[61, 126] Operation: 51+75=126 Exploring Operation: 51+61=112, Resulting Numbers: [75, 112] Generated Node #0,0,1: 73:[75, 112] Operation: 51+61=112 Exploring Operation: 61-51=10, Resulting Numbers: [75, 10] Generated Node #0,0,2: 73:[75, 10] Operation: 61-51=10 Exploring Operation: 75-51=24, Resulting Numbers: [61, 24] Generated Node #0,0,3: 73:[61, 24] Operation: 75-51=24 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[75, 112], Operations: ['79-18=61', '51+61=112'] Exploring Operation: 75*112=8400, Resulting Numbers: [8400] 8400,73 unequal: No Solution Exploring Operation: 112-75=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 75+112=187, Resulting Numbers: [187] 187,73 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 #0,0,3 Current State: 73:[61, 24], Operations: ['79-18=61', '75-51=24'] Exploring Operation: 61+24=85, Resulting Numbers: [85] 85,73 unequal: No Solution Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 61*24=1464, Resulting Numbers: [1464] 1464,73 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 #0,0,0 Current State: 73:[61, 126], Operations: ['79-18=61', '51+75=126'] Exploring Operation: 126-61=65, Resulting Numbers: [65] 65,73 unequal: No Solution Exploring Operation: 61+126=187, Resulting Numbers: [187] 187,73 unequal: No Solution Exploring Operation: 61*126=7686, Resulting Numbers: [7686] 7686,73 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 #0,0,2 Current State: 73:[75, 10], Operations: ['79-18=61', '61-51=10'] Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,73 unequal: No Solution Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,73 unequal: No Solution Exploring Operation: 75*10=750, Resulting Numbers: [750] 750,73 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:[51, 79, 57], Operations: ['75-18=57'] Exploring Operation: 57-51=6, Resulting Numbers: [79, 6] Generated Node #0,1,0: 73:[79, 6] Operation: 57-51=6 Exploring Operation: 51+57=108, Resulting Numbers: [79, 108] Generated Node #0,1,1: 73:[79, 108] Operation: 51+57=108 Exploring Operation: 51+79=130, Resulting Numbers: [57, 130] Generated Node #0,1,2: 73:[57, 130] Operation: 51+79=130 Exploring Operation: 79-51=28, Resulting Numbers: [57, 28] Generated Node #0,1,3: 73:[57, 28] Operation: 79-51=28 Moving to Node #0,2 Current State: 73:[79, 75, 33], Operations: ['51-18=33'] Exploring Operation: 75+33=108, Resulting Numbers: [79, 108] Generated Node #0,2,0: 73:[79, 108] Operation: 75+33=108 Exploring Operation: 79+33=112, Resulting Numbers: [75, 112] Generated Node #0,2,1: 73:[75, 112] Operation: 79+33=112 Exploring Operation: 75-33=42, Resulting Numbers: [79, 42] Generated Node #0,2,2: 73:[79, 42] Operation: 75-33=42 Exploring Operation: 79-33=46, Resulting Numbers: [75, 46] Generated Node #0,2,3: 73:[75, 46] Operation: 79-33=46 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 73:[75, 46], Operations: ['51-18=33', '79-33=46'] Exploring Operation: 75*46=3450, Resulting Numbers: [3450] 3450,73 unequal: No Solution Exploring Operation: 75-46=29, Resulting Numbers: [29] 29,73 unequal: No Solution Exploring Operation: 75+46=121, Resulting Numbers: [121] 121,73 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:[79, 42], Operations: ['51-18=33', '75-33=42'] Exploring Operation: 79*42=3318, Resulting Numbers: [3318] 3318,73 unequal: No Solution Exploring Operation: 79-42=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 79+42=121, Resulting Numbers: [121] 121,73 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:[79, 108], Operations: ['51-18=33', '75+33=108'] Exploring Operation: 108-79=29, Resulting Numbers: [29] 29,73 unequal: No Solution Exploring Operation: 79+108=187, Resulting Numbers: [187] 187,73 unequal: No Solution Exploring Operation: 79*108=8532, Resulting Numbers: [8532] 8532,73 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:[75, 112], Operations: ['51-18=33', '79+33=112'] Exploring Operation: 75+112=187, Resulting Numbers: [187] 187,73 unequal: No Solution Exploring Operation: 112-75=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 75*112=8400, Resulting Numbers: [8400] 8400,73 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: 73:[79, 108], Operations: ['75-18=57', '51+57=108'] Exploring Operation: 79+108=187, Resulting Numbers: [187] 187,73 unequal: No Solution Exploring Operation: 79*108=8532, Resulting Numbers: [8532] 8532,73 unequal: No Solution Exploring Operation: 108-79=29, Resulting Numbers: [29] 29,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[57, 28], Operations: ['75-18=57', '79-51=28'] Exploring Operation: 57+28=85, Resulting Numbers: [85] 85,73 unequal: No Solution Exploring Operation: 57*28=1596, Resulting Numbers: [1596] 1596,73 unequal: No Solution Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[75, 10], Operations: ['51+18=69', '79-69=10'] Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,73 unequal: No Solution Exploring Operation: 75*10=750, Resulting Numbers: [750] 750,73 unequal: No Solution Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[79, 6], Operations: ['75-18=57', '57-51=6'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[51, 79, 75, 18], Operations: [] Exploring Operation: 75-18=57, Resulting Numbers: [51, 79, 57] Generated Node #0,1: 73:[51, 79, 57] Operation: 75-18=57 Moving to Node #0,1 Current State: 73:[51, 79, 57], Operations: ['75-18=57'] Exploring Operation: 57-51=6, Resulting Numbers: [79, 6] Generated Node #0,1,0: 73:[79, 6] Operation: 57-51=6 Moving to Node #0,1,0 Current State: 73:[79, 6], Operations: ['75-18=57', '57-51=6'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
0.949653
hs_4
mult_heuristic
[ 3, 34, 16, 73 ]
13
[ "3*34=102", "16+73=89", "102-89=13" ]
Current State: 13:[3, 34, 16, 73], Operations: [] Exploring Operation: 3*34=102, Resulting Numbers: [16, 73, 102] Generated Node #2: [16, 73, 102] from Operation: 3*34=102 Current State: 13:[16, 73, 102], Operations: ['3*34=102'] Exploring Operation: 16+73=89, Resulting Numbers: [102, 89] Generated Node #3: [102, 89] from Operation: 16+73=89 Current State: 13:[102, 89], Operations: ['3*34=102', '16+73=89'] Exploring Operation: 102-89=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[3, 34, 16, 73], Operations: [] Exploring Operation: 73-34=39, Resulting Numbers: [3, 16, 39] Generated Node #0,0: 13:[3, 16, 39] Operation: 73-34=39 Moving to Node #0,0 Current State: 13:[3, 16, 39], Operations: ['73-34=39'] Exploring Operation: 39/3=13, Resulting Numbers: [16, 13] Generated Node #0,0,0: 13:[16, 13] Operation: 39/3=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[16, 13], Operations: ['73-34=39', '39/3=13'] Exploring Operation: 16-13=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
[ 32, 76, 38, 5 ]
62
[ "32+38=70", "70/5=14", "76-14=62" ]
Current State: 62:[32, 76, 38, 5], Operations: [] Exploring Operation: 32+38=70, Resulting Numbers: [76, 5, 70] Generated Node #2: [76, 5, 70] from Operation: 32+38=70 Current State: 62:[76, 5, 70], Operations: ['32+38=70'] Exploring Operation: 70/5=14, Resulting Numbers: [76, 14] Generated Node #3: [76, 14] from Operation: 70/5=14 Current State: 62:[76, 14], Operations: ['32+38=70', '70/5=14'] Exploring Operation: 76-14=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[32, 76, 38, 5], Operations: [] Exploring Operation: 38-5=33, Resulting Numbers: [32, 76, 33] Generated Node #0,0: 62:[32, 76, 33] Operation: 38-5=33 Exploring Operation: 76-38=38, Resulting Numbers: [32, 5, 38] Generated Node #0,1: 62:[32, 5, 38] Operation: 76-38=38 Exploring Operation: 76-5=71, Resulting Numbers: [32, 38, 71] Generated Node #0,2: 62:[32, 38, 71] Operation: 76-5=71 Exploring Operation: 76/38=2, Resulting Numbers: [32, 5, 2] Generated Node #0,3: 62:[32, 5, 2] Operation: 76/38=2 Exploring Operation: 38-32=6, Resulting Numbers: [76, 5, 6] Generated Node #0,4: 62:[76, 5, 6] Operation: 38-32=6 Moving to Node #0,3 Current State: 62:[32, 5, 2], Operations: ['76/38=2'] Exploring Operation: 32-2=30, Resulting Numbers: [5, 30] Generated Node #0,3,0: 62:[5, 30] Operation: 32-2=30 Exploring Operation: 32+5=37, Resulting Numbers: [2, 37] Generated Node #0,3,1: 62:[2, 37] Operation: 32+5=37 Exploring Operation: 32*2=64, Resulting Numbers: [5, 64] Generated Node #0,3,2: 62:[5, 64] Operation: 32*2=64 Exploring Operation: 5-2=3, Resulting Numbers: [32, 3] Generated Node #0,3,3: 62:[32, 3] Operation: 5-2=3 Exploring Operation: 32-5=27, Resulting Numbers: [2, 27] Generated Node #0,3,4: 62:[2, 27] Operation: 32-5=27 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 62:[32, 3], Operations: ['76/38=2', '5-2=3'] Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,62 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,62 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 #0,3,0 Current State: 62:[5, 30], Operations: ['76/38=2', '32-2=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 5*30=150, Resulting Numbers: [150] 150,62 unequal: No Solution Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,62 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 #0,3,4 Current State: 62:[2, 27], Operations: ['76/38=2', '32-5=27'] Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,62 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 #0,3,2 Current State: 62:[5, 64], Operations: ['76/38=2', '32*2=64'] Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,62 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 5*64=320, Resulting Numbers: [320] 320,62 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 #0,3,1 Current State: 62:[2, 37], Operations: ['76/38=2', '32+5=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,62 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,62 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, 5, 38], Operations: ['76-38=38'] Exploring Operation: 38-32=6, Resulting Numbers: [5, 6] Generated Node #0,1,0: 62:[5, 6] Operation: 38-32=6 Exploring Operation: 32+38=70, Resulting Numbers: [5, 70] Generated Node #0,1,1: 62:[5, 70] Operation: 32+38=70 Exploring Operation: 32-5=27, Resulting Numbers: [38, 27] Generated Node #0,1,2: 62:[38, 27] Operation: 32-5=27 Exploring Operation: 38-5=33, Resulting Numbers: [32, 33] Generated Node #0,1,3: 62:[32, 33] Operation: 38-5=33 Exploring Operation: 32+5=37, Resulting Numbers: [38, 37] Generated Node #0,1,4: 62:[38, 37] Operation: 32+5=37 Moving to Node #0,0 Current State: 62:[32, 76, 33], Operations: ['38-5=33'] Exploring Operation: 32+76=108, Resulting Numbers: [33, 108] Generated Node #0,0,0: 62:[33, 108] Operation: 32+76=108 Exploring Operation: 33-32=1, Resulting Numbers: [76, 1] Generated Node #0,0,1: 62:[76, 1] Operation: 33-32=1 Exploring Operation: 76-33=43, Resulting Numbers: [32, 43] Generated Node #0,0,2: 62:[32, 43] Operation: 76-33=43 Exploring Operation: 76-32=44, Resulting Numbers: [33, 44] Generated Node #0,0,3: 62:[33, 44] Operation: 76-32=44 Exploring Operation: 32+33=65, Resulting Numbers: [76, 65] Generated Node #0,0,4: 62:[76, 65] Operation: 32+33=65 Moving to Node #0,2 Current State: 62:[32, 38, 71], Operations: ['76-5=71'] Exploring Operation: 38-32=6, Resulting Numbers: [71, 6] Generated Node #0,2,0: 62:[71, 6] Operation: 38-32=6 Exploring Operation: 71-38=33, Resulting Numbers: [32, 33] Generated Node #0,2,1: 62:[32, 33] Operation: 71-38=33 Exploring Operation: 71-32=39, Resulting Numbers: [38, 39] Generated Node #0,2,2: 62:[38, 39] Operation: 71-32=39 Exploring Operation: 32+38=70, Resulting Numbers: [71, 70] Generated Node #0,2,3: 62:[71, 70] Operation: 32+38=70 Exploring Operation: 32+71=103, Resulting Numbers: [38, 103] Generated Node #0,2,4: 62:[38, 103] Operation: 32+71=103 Moving to Node #0,4 Current State: 62:[76, 5, 6], Operations: ['38-32=6'] Exploring Operation: 6-5=1, Resulting Numbers: [76, 1] Generated Node #0,4,0: 62:[76, 1] Operation: 6-5=1 Exploring Operation: 76-5=71, Resulting Numbers: [6, 71] Generated Node #0,4,1: 62:[6, 71] Operation: 76-5=71 Exploring Operation: 5*6=30, Resulting Numbers: [76, 30] Generated Node #0,4,2: 62:[76, 30] Operation: 5*6=30 Exploring Operation: 76+5=81, Resulting Numbers: [6, 81] Generated Node #0,4,3: 62:[6, 81] Operation: 76+5=81 Exploring Operation: 76-6=70, Resulting Numbers: [5, 70] Generated Node #0,4,4: 62:[5, 70] Operation: 76-6=70 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 62:[5, 70], Operations: ['38-32=6', '76-6=70'] Exploring Operation: 5+70=75, Resulting Numbers: [75] 75,62 unequal: No Solution Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 5*70=350, Resulting Numbers: [350] 350,62 unequal: No Solution Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,62 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 #0,4,1 Current State: 62:[6, 71], Operations: ['38-32=6', '76-5=71'] Exploring Operation: 6+71=77, Resulting Numbers: [77] 77,62 unequal: No Solution Exploring Operation: 6*71=426, Resulting Numbers: [426] 426,62 unequal: No Solution Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,62 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 #0,4,0 Current State: 62:[76, 1], Operations: ['38-32=6', '6-5=1'] Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,62 unequal: No Solution Exploring Operation: 76*1=76, Resulting Numbers: [76] 76,62 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,62 unequal: No Solution Exploring Operation: 76+1=77, Resulting Numbers: [77] 77,62 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 #0,4,2 Current State: 62:[76, 30], Operations: ['38-32=6', '5*6=30'] Exploring Operation: 76-30=46, Resulting Numbers: [46] 46,62 unequal: No Solution Exploring Operation: 76+30=106, Resulting Numbers: [106] 106,62 unequal: No Solution Exploring Operation: 76*30=2280, Resulting Numbers: [2280] 2280,62 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 #0,4,3 Current State: 62:[6, 81], Operations: ['38-32=6', '76+5=81'] Exploring Operation: 6+81=87, Resulting Numbers: [87] 87,62 unequal: No Solution Exploring Operation: 6*81=486, Resulting Numbers: [486] 486,62 unequal: No Solution Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 62:[32, 33], Operations: ['76-38=38', '38-5=33'] Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[32, 33], Operations: ['76-5=71', '71-38=33'] Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,62 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[5, 6], Operations: ['76-38=38', '38-32=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,62 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,62 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[5, 70], Operations: ['76-38=38', '32+38=70'] Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 5*70=350, Resulting Numbers: [350] 350,62 unequal: No Solution Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 5+70=75, Resulting Numbers: [75] 75,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[38, 27], Operations: ['76-38=38', '32-5=27'] Exploring Operation: 38-27=11, Resulting Numbers: [11] 11,62 unequal: No Solution Exploring Operation: 38+27=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 38*27=1026, Resulting Numbers: [1026] 1026,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[32, 43], Operations: ['38-5=33', '76-33=43'] Exploring Operation: 32+43=75, Resulting Numbers: [75] 75,62 unequal: No Solution Exploring Operation: 32*43=1376, Resulting Numbers: [1376] 1376,62 unequal: No Solution Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,62 unequal: No Solution Moving to Node #0,2,0 Current State: 62:[71, 6], Operations: ['76-5=71', '38-32=6'] Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 71*6=426, Resulting Numbers: [426] 426,62 unequal: No Solution Exploring Operation: 71+6=77, Resulting Numbers: [77] 77,62 unequal: No Solution Moving to Node #0,1,4 Current State: 62:[38, 37], Operations: ['76-38=38', '32+5=37'] Exploring Operation: 38+37=75, Resulting Numbers: [75] 75,62 unequal: No Solution Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 38*37=1406, Resulting Numbers: [1406] 1406,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[76, 1], Operations: ['38-5=33', '33-32=1'] Exploring Operation: 76+1=77, Resulting Numbers: [77] 77,62 unequal: No Solution Exploring Operation: 76*1=76, Resulting Numbers: [76] 76,62 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,62 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,62 unequal: No Solution Moving to Node #0,2,2 Current State: 62:[38, 39], Operations: ['76-5=71', '71-32=39'] Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,62 unequal: No Solution Exploring Operation: 38*39=1482, Resulting Numbers: [1482] 1482,62 unequal: No Solution Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,62 unequal: No Solution Moving to Node #0,0,3 Current State: 62:[33, 44], Operations: ['38-5=33', '76-32=44'] Exploring Operation: 33*44=1452, Resulting Numbers: [1452] 1452,62 unequal: No Solution Exploring Operation: 33+44=77, Resulting Numbers: [77] 77,62 unequal: No Solution Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,62 unequal: No Solution Moving to Node #0,2,3 Current State: 62:[71, 70], Operations: ['76-5=71', '32+38=70'] Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 71*70=4970, Resulting Numbers: [4970] 4970,62 unequal: No Solution Exploring Operation: 71+70=141, Resulting Numbers: [141] 141,62 unequal: No Solution Moving to Node #0,0,4 Current State: 62:[76, 65], Operations: ['38-5=33', '32+33=65'] Exploring Operation: 76-65=11, Resulting Numbers: [11] 11,62 unequal: No Solution Exploring Operation: 76+65=141, Resulting Numbers: [141] 141,62 unequal: No Solution Exploring Operation: 76*65=4940, Resulting Numbers: [4940] 4940,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[33, 108], Operations: ['38-5=33', '32+76=108'] Exploring Operation: 33+108=141, Resulting Numbers: [141] 141,62 unequal: No Solution Exploring Operation: 33*108=3564, Resulting Numbers: [3564] 3564,62 unequal: No Solution Exploring Operation: 108-33=75, Resulting Numbers: [75] 75,62 unequal: No Solution Moving to Node #0,2,4 Current State: 62:[38, 103], Operations: ['76-5=71', '32+71=103'] Exploring Operation: 103-38=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 38*103=3914, Resulting Numbers: [3914] 3914,62 unequal: No Solution Exploring Operation: 38+103=141, Resulting Numbers: [141] 141,62 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 43, 63, 42, 57 ]
36
[ "63-57=6", "42/6=7", "43-7=36" ]
Current State: 36:[43, 63, 42, 57], Operations: [] Exploring Operation: 63-57=6, Resulting Numbers: [43, 42, 6] Generated Node #2: [43, 42, 6] from Operation: 63-57=6 Current State: 36:[43, 42, 6], Operations: ['63-57=6'] Exploring Operation: 42/6=7, Resulting Numbers: [43, 7] Generated Node #3: [43, 7] from Operation: 42/6=7 Current State: 36:[43, 7], Operations: ['63-57=6', '42/6=7'] Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[43, 63, 42, 57], Operations: [] Exploring Operation: 63-57=6, Resulting Numbers: [43, 42, 6] Generated Node #0,0: 36:[43, 42, 6] Operation: 63-57=6 Exploring Operation: 63-43=20, Resulting Numbers: [42, 57, 20] Generated Node #0,1: 36:[42, 57, 20] Operation: 63-43=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[43, 42, 6], Operations: ['63-57=6'] Exploring Operation: 43-42=1, Resulting Numbers: [6, 1] Generated Node #0,0,0: 36:[6, 1] Operation: 43-42=1 Exploring Operation: 43-6=37, Resulting Numbers: [42, 37] Generated Node #0,0,1: 36:[42, 37] Operation: 43-6=37 Moving to Node #0,0,0 Current State: 36:[6, 1], Operations: ['63-57=6', '43-42=1'] Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[42, 37], Operations: ['63-57=6', '43-6=37'] Exploring Operation: 42-37=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 42+37=79, Resulting Numbers: [79] 79,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[42, 57, 20], Operations: ['63-43=20'] Exploring Operation: 57-20=37, Resulting Numbers: [42, 37] Generated Node #0,1,0: 36:[42, 37] Operation: 57-20=37 Exploring Operation: 57-42=15, Resulting Numbers: [20, 15] Generated Node #0,1,1: 36:[20, 15] Operation: 57-42=15 Moving to Node #0,1,1 Current State: 36:[20, 15], Operations: ['63-43=20', '57-42=15'] Exploring Operation: 20+15=35, Resulting Numbers: [35] 35,36 unequal: No Solution Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[42, 37], Operations: ['63-43=20', '57-20=37'] Exploring Operation: 42-37=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 42+37=79, Resulting Numbers: [79] 79,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 7, 3, 48, 23 ]
100
[ "7-3=4", "48-23=25", "4*25=100" ]
Current State: 100:[7, 3, 48, 23], Operations: [] Exploring Operation: 7-3=4, Resulting Numbers: [48, 23, 4] Generated Node #2: [48, 23, 4] from Operation: 7-3=4 Current State: 100:[48, 23, 4], Operations: ['7-3=4'] Exploring Operation: 48-23=25, Resulting Numbers: [4, 25] Generated Node #3: [4, 25] from Operation: 48-23=25 Current State: 100:[4, 25], Operations: ['7-3=4', '48-23=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[7, 3, 48, 23], Operations: [] Exploring Operation: 7+3=10, Resulting Numbers: [48, 23, 10] Generated Node #0,0: 100:[48, 23, 10] Operation: 7+3=10 Exploring Operation: 7-3=4, Resulting Numbers: [48, 23, 4] Generated Node #0,1: 100:[48, 23, 4] Operation: 7-3=4 Exploring Operation: 7*3=21, Resulting Numbers: [48, 23, 21] Generated Node #0,2: 100:[48, 23, 21] Operation: 7*3=21 Exploring Operation: 48-23=25, Resulting Numbers: [7, 3, 25] Generated Node #0,3: 100:[7, 3, 25] Operation: 48-23=25 Exploring Operation: 23-3=20, Resulting Numbers: [7, 48, 20] Generated Node #0,4: 100:[7, 48, 20] Operation: 23-3=20 Moving to Node #0,3 Current State: 100:[7, 3, 25], Operations: ['48-23=25'] Exploring Operation: 7-3=4, Resulting Numbers: [25, 4] Generated Node #0,3,0: 100:[25, 4] Operation: 7-3=4 Exploring Operation: 7*3=21, Resulting Numbers: [25, 21] Generated Node #0,3,1: 100:[25, 21] Operation: 7*3=21 Exploring Operation: 25-7=18, Resulting Numbers: [3, 18] Generated Node #0,3,2: 100:[3, 18] Operation: 25-7=18 Exploring Operation: 25-3=22, Resulting Numbers: [7, 22] Generated Node #0,3,3: 100:[7, 22] Operation: 25-3=22 Exploring Operation: 7+3=10, Resulting Numbers: [25, 10] Generated Node #0,3,4: 100:[25, 10] Operation: 7+3=10 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 100:[25, 4], Operations: ['48-23=25', '7-3=4'] Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,100 unequal: No Solution Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[7, 3, 48, 23], Operations: [] Exploring Operation: 48-23=25, Resulting Numbers: [7, 3, 25] Generated Node #0,3: 100:[7, 3, 25] Operation: 48-23=25 Moving to Node #0,3 Current State: 100:[7, 3, 25], Operations: ['48-23=25'] Exploring Operation: 7-3=4, Resulting Numbers: [25, 4] Generated Node #0,3,0: 100:[25, 4] Operation: 7-3=4 Moving to Node #0,3,0 Current State: 100:[25, 4], Operations: ['48-23=25', '7-3=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 54, 74, 48, 87 ]
19
[ "74-54=20", "87-48=39", "39-20=19" ]
Current State: 19:[54, 74, 48, 87], Operations: [] Exploring Operation: 74-54=20, Resulting Numbers: [48, 87, 20] Generated Node #2: [48, 87, 20] from Operation: 74-54=20 Current State: 19:[48, 87, 20], Operations: ['74-54=20'] Exploring Operation: 87-48=39, Resulting Numbers: [20, 39] Generated Node #3: [20, 39] from Operation: 87-48=39 Current State: 19:[20, 39], Operations: ['74-54=20', '87-48=39'] Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[54, 74, 48, 87], Operations: [] Exploring Operation: 87-74=13, Resulting Numbers: [54, 48, 13] Generated Node #0,0: 19:[54, 48, 13] Operation: 87-74=13 Exploring Operation: 74-54=20, Resulting Numbers: [48, 87, 20] Generated Node #0,1: 19:[48, 87, 20] Operation: 74-54=20 Exploring Operation: 87-54=33, Resulting Numbers: [74, 48, 33] Generated Node #0,2: 19:[74, 48, 33] Operation: 87-54=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[54, 48, 13], Operations: ['87-74=13'] Exploring Operation: 54-13=41, Resulting Numbers: [48, 41] Generated Node #0,0,0: 19:[48, 41] Operation: 54-13=41 Exploring Operation: 54-48=6, Resulting Numbers: [13, 6] Generated Node #0,0,1: 19:[13, 6] Operation: 54-48=6 Exploring Operation: 48-13=35, Resulting Numbers: [54, 35] Generated Node #0,0,2: 19:[54, 35] Operation: 48-13=35 Moving to Node #0,0,1 Current State: 19:[13, 6], Operations: ['87-74=13', '54-48=6'] Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,19 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,19 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[54, 74, 48, 87], Operations: [] Exploring Operation: 87-74=13, Resulting Numbers: [54, 48, 13] Generated Node #0,0: 19:[54, 48, 13] Operation: 87-74=13 Moving to Node #0,0 Current State: 19:[54, 48, 13], Operations: ['87-74=13'] Exploring Operation: 54-48=6, Resulting Numbers: [13, 6] Generated Node #0,0,1: 19:[13, 6] Operation: 54-48=6 Moving to Node #0,0,1 Current State: 19:[13, 6], Operations: ['87-74=13', '54-48=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 10, 44, 1, 96 ]
42
[ "10+44=54", "1*96=96", "96-54=42" ]
Current State: 42:[10, 44, 1, 96], Operations: [] Exploring Operation: 10+44=54, Resulting Numbers: [1, 96, 54] Generated Node #2: [1, 96, 54] from Operation: 10+44=54 Current State: 42:[1, 96, 54], Operations: ['10+44=54'] Exploring Operation: 1*96=96, Resulting Numbers: [54, 96] Generated Node #3: [54, 96] from Operation: 1*96=96 Current State: 42:[54, 96], Operations: ['10+44=54', '1*96=96'] Exploring Operation: 96-54=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[10, 44, 1, 96], Operations: [] Exploring Operation: 44-1=43, Resulting Numbers: [10, 96, 43] Generated Node #0,0: 42:[10, 96, 43] Operation: 44-1=43 Exploring Operation: 96-1=95, Resulting Numbers: [10, 44, 95] Generated Node #0,1: 42:[10, 44, 95] Operation: 96-1=95 Exploring Operation: 96-44=52, Resulting Numbers: [10, 1, 52] Generated Node #0,2: 42:[10, 1, 52] Operation: 96-44=52 Exploring Operation: 10-1=9, Resulting Numbers: [44, 96, 9] Generated Node #0,3: 42:[44, 96, 9] Operation: 10-1=9 Exploring Operation: 96-10=86, Resulting Numbers: [44, 1, 86] Generated Node #0,4: 42:[44, 1, 86] Operation: 96-10=86 Moving to Node #0,2 Current State: 42:[10, 1, 52], Operations: ['96-44=52'] Exploring Operation: 10*1=10, Resulting Numbers: [52, 10] Generated Node #0,2,0: 42:[52, 10] Operation: 10*1=10 Exploring Operation: 10-1=9, Resulting Numbers: [52, 9] Generated Node #0,2,1: 42:[52, 9] Operation: 10-1=9 Exploring Operation: 52-10=42, Resulting Numbers: [1, 42] Generated Node #0,2,2: 42:[1, 42] Operation: 52-10=42 Exploring Operation: 52-1=51, Resulting Numbers: [10, 51] Generated Node #0,2,3: 42:[10, 51] Operation: 52-1=51 Exploring Operation: 10+1=11, Resulting Numbers: [52, 11] Generated Node #0,2,4: 42:[52, 11] Operation: 10+1=11 Moving to Node #0,4 Current State: 42:[44, 1, 86], Operations: ['96-10=86'] Exploring Operation: 44/1=44, Resulting Numbers: [86, 44] Generated Node #0,4,0: 42:[86, 44] Operation: 44/1=44 Exploring Operation: 86-1=85, Resulting Numbers: [44, 85] Generated Node #0,4,1: 42:[44, 85] Operation: 86-1=85 Exploring Operation: 44-1=43, Resulting Numbers: [86, 43] Generated Node #0,4,2: 42:[86, 43] Operation: 44-1=43 Exploring Operation: 44*1=44, Resulting Numbers: [86, 44] Generated Node #0,4,3: 42:[86, 44] Operation: 44*1=44 Exploring Operation: 86-44=42, Resulting Numbers: [1, 42] Generated Node #0,4,4: 42:[1, 42] Operation: 86-44=42 Moving to Node #0,0 Current State: 42:[10, 96, 43], Operations: ['44-1=43'] Exploring Operation: 43-10=33, Resulting Numbers: [96, 33] Generated Node #0,0,0: 42:[96, 33] Operation: 43-10=33 Exploring Operation: 96-43=53, Resulting Numbers: [10, 53] Generated Node #0,0,1: 42:[10, 53] Operation: 96-43=53 Exploring Operation: 10+43=53, Resulting Numbers: [96, 53] Generated Node #0,0,2: 42:[96, 53] Operation: 10+43=53 Exploring Operation: 96-10=86, Resulting Numbers: [43, 86] Generated Node #0,0,3: 42:[43, 86] Operation: 96-10=86 Exploring Operation: 10+96=106, Resulting Numbers: [43, 106] Generated Node #0,0,4: 42:[43, 106] Operation: 10+96=106 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 42:[10, 53], Operations: ['44-1=43', '96-43=53'] Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,42 unequal: No Solution Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,42 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:[43, 86], Operations: ['44-1=43', '96-10=86'] Exploring Operation: 43*86=3698, Resulting Numbers: [3698] 3698,42 unequal: No Solution Exploring Operation: 86/43=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 43+86=129, Resulting Numbers: [129] 129,42 unequal: No Solution Exploring Operation: 86-43=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 #0,0,0 Current State: 42:[96, 33], Operations: ['44-1=43', '43-10=33'] Exploring Operation: 96+33=129, Resulting Numbers: [129] 129,42 unequal: No Solution Exploring Operation: 96*33=3168, Resulting Numbers: [3168] 3168,42 unequal: No Solution Exploring Operation: 96-33=63, Resulting Numbers: [63] 63,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 42:[96, 53], Operations: ['44-1=43', '10+43=53'] Exploring Operation: 96+53=149, Resulting Numbers: [149] 149,42 unequal: No Solution Exploring Operation: 96*53=5088, Resulting Numbers: [5088] 5088,42 unequal: No Solution Exploring Operation: 96-53=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 #0,0,4 Current State: 42:[43, 106], Operations: ['44-1=43', '10+96=106'] Exploring Operation: 43+106=149, Resulting Numbers: [149] 149,42 unequal: No Solution Exploring Operation: 106-43=63, Resulting Numbers: [63] 63,42 unequal: No Solution Exploring Operation: 43*106=4558, Resulting Numbers: [4558] 4558,42 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:[10, 44, 95], Operations: ['96-1=95'] Exploring Operation: 44-10=34, Resulting Numbers: [95, 34] Generated Node #0,1,0: 42:[95, 34] Operation: 44-10=34 Exploring Operation: 95-44=51, Resulting Numbers: [10, 51] Generated Node #0,1,1: 42:[10, 51] Operation: 95-44=51 Exploring Operation: 95-10=85, Resulting Numbers: [44, 85] Generated Node #0,1,2: 42:[44, 85] Operation: 95-10=85 Exploring Operation: 10+44=54, Resulting Numbers: [95, 54] Generated Node #0,1,3: 42:[95, 54] Operation: 10+44=54 Exploring Operation: 10+95=105, Resulting Numbers: [44, 105] Generated Node #0,1,4: 42:[44, 105] Operation: 10+95=105 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[10, 51], Operations: ['96-1=95', '95-44=51'] Exploring Operation: 10*51=510, Resulting Numbers: [510] 510,42 unequal: No Solution Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,42 unequal: No Solution Exploring Operation: 10+51=61, Resulting Numbers: [61] 61,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 42:[44, 85], Operations: ['96-1=95', '95-10=85'] Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,42 unequal: No Solution Exploring Operation: 44+85=129, Resulting Numbers: [129] 129,42 unequal: No Solution Exploring Operation: 44*85=3740, Resulting Numbers: [3740] 3740,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[95, 34], Operations: ['96-1=95', '44-10=34'] Exploring Operation: 95*34=3230, Resulting Numbers: [3230] 3230,42 unequal: No Solution Exploring Operation: 95-34=61, Resulting Numbers: [61] 61,42 unequal: No Solution Exploring Operation: 95+34=129, Resulting Numbers: [129] 129,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 42:[95, 54], Operations: ['96-1=95', '10+44=54'] Exploring Operation: 95*54=5130, Resulting Numbers: [5130] 5130,42 unequal: No Solution Exploring Operation: 95-54=41, Resulting Numbers: [41] 41,42 unequal: No Solution Exploring Operation: 95+54=149, Resulting Numbers: [149] 149,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 42:[44, 105], Operations: ['96-1=95', '10+95=105'] Exploring Operation: 105-44=61, Resulting Numbers: [61] 61,42 unequal: No Solution Exploring Operation: 44*105=4620, Resulting Numbers: [4620] 4620,42 unequal: No Solution Exploring Operation: 44+105=149, Resulting Numbers: [149] 149,42 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:[44, 96, 9], Operations: ['10-1=9'] Exploring Operation: 96-44=52, Resulting Numbers: [9, 52] Generated Node #0,3,0: 42:[9, 52] Operation: 96-44=52 Exploring Operation: 44-9=35, Resulting Numbers: [96, 35] Generated Node #0,3,1: 42:[96, 35] Operation: 44-9=35 Exploring Operation: 44+9=53, Resulting Numbers: [96, 53] Generated Node #0,3,2: 42:[96, 53] Operation: 44+9=53 Exploring Operation: 96-9=87, Resulting Numbers: [44, 87] Generated Node #0,3,3: 42:[44, 87] Operation: 96-9=87 Exploring Operation: 96+9=105, Resulting Numbers: [44, 105] Generated Node #0,3,4: 42:[44, 105] Operation: 96+9=105 Moving to Node #0,2,2 Current State: 42:[1, 42], Operations: ['96-44=52', '52-10=42'] Exploring Operation: 1+42=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,42 unequal: No Solution Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[10, 44, 1, 96], Operations: [] Exploring Operation: 96-44=52, Resulting Numbers: [10, 1, 52] Generated Node #0,2: 42:[10, 1, 52] Operation: 96-44=52 Moving to Node #0,2 Current State: 42:[10, 1, 52], Operations: ['96-44=52'] Exploring Operation: 52-10=42, Resulting Numbers: [1, 42] Generated Node #0,2,2: 42:[1, 42] Operation: 52-10=42 Moving to Node #0,2,2 Current State: 42:[1, 42], Operations: ['96-44=52', '52-10=42'] Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
0.940972
hs_5
sum_heuristic
[ 76, 25, 44, 8 ]
76
[ "44-25=19", "8*19=152", "152-76=76" ]
Current State: 76:[76, 25, 44, 8], Operations: [] Exploring Operation: 44-25=19, Resulting Numbers: [76, 8, 19] Generated Node #2: [76, 8, 19] from Operation: 44-25=19 Current State: 76:[76, 8, 19], Operations: ['44-25=19'] Exploring Operation: 8*19=152, Resulting Numbers: [76, 152] Generated Node #3: [76, 152] from Operation: 8*19=152 Current State: 76:[76, 152], Operations: ['44-25=19', '8*19=152'] Exploring Operation: 152-76=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[76, 25, 44, 8], Operations: [] Exploring Operation: 44-25=19, Resulting Numbers: [76, 8, 19] Generated Node #0,0: 76:[76, 8, 19] Operation: 44-25=19 Exploring Operation: 44-8=36, Resulting Numbers: [76, 25, 36] Generated Node #0,1: 76:[76, 25, 36] Operation: 44-8=36 Exploring Operation: 25-8=17, Resulting Numbers: [76, 44, 17] Generated Node #0,2: 76:[76, 44, 17] Operation: 25-8=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[76, 8, 19], Operations: ['44-25=19'] Exploring Operation: 19-8=11, Resulting Numbers: [76, 11] Generated Node #0,0,0: 76:[76, 11] Operation: 19-8=11 Exploring Operation: 76/19=4, Resulting Numbers: [8, 4] Generated Node #0,0,1: 76:[8, 4] Operation: 76/19=4 Exploring Operation: 76+8=84, Resulting Numbers: [19, 84] Generated Node #0,0,2: 76:[19, 84] Operation: 76+8=84 Moving to Node #0,0,1 Current State: 76:[8, 4], Operations: ['44-25=19', '76/19=4'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,76 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[76, 11], Operations: ['44-25=19', '19-8=11'] Exploring Operation: 76+11=87, Resulting Numbers: [87] 87,76 unequal: No Solution Exploring Operation: 76*11=836, Resulting Numbers: [836] 836,76 unequal: No Solution Exploring Operation: 76-11=65, Resulting Numbers: [65] 65,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[19, 84], Operations: ['44-25=19', '76+8=84'] Exploring Operation: 19*84=1596, Resulting Numbers: [1596] 1596,76 unequal: No Solution Exploring Operation: 84-19=65, Resulting Numbers: [65] 65,76 unequal: No Solution Exploring Operation: 19+84=103, Resulting Numbers: [103] 103,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[76, 25, 36], Operations: ['44-8=36'] Exploring Operation: 76-36=40, Resulting Numbers: [25, 40] Generated Node #0,1,0: 76:[25, 40] Operation: 76-36=40 Exploring Operation: 36-25=11, Resulting Numbers: [76, 11] Generated Node #0,1,1: 76:[76, 11] Operation: 36-25=11 Exploring Operation: 76-25=51, Resulting Numbers: [36, 51] Generated Node #0,1,2: 76:[36, 51] Operation: 76-25=51 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[76, 11], Operations: ['44-8=36', '36-25=11'] Exploring Operation: 76+11=87, Resulting Numbers: [87] 87,76 unequal: No Solution Exploring Operation: 76*11=836, Resulting Numbers: [836] 836,76 unequal: No Solution Exploring Operation: 76-11=65, Resulting Numbers: [65] 65,76 unequal: No Solution No 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: 76:[25, 40], Operations: ['44-8=36', '76-36=40'] Exploring Operation: 25+40=65, Resulting Numbers: [65] 65,76 unequal: No Solution Exploring Operation: 25*40=1000, Resulting Numbers: [1000] 1000,76 unequal: No Solution Exploring Operation: 40-25=15, Resulting Numbers: [15] 15,76 unequal: No Solution No 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: 76:[36, 51], Operations: ['44-8=36', '76-25=51'] Exploring Operation: 36*51=1836, Resulting Numbers: [1836] 1836,76 unequal: No Solution Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,76 unequal: No Solution Exploring Operation: 36+51=87, Resulting Numbers: [87] 87,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[76, 44, 17], Operations: ['25-8=17'] Exploring Operation: 44+17=61, Resulting Numbers: [76, 61] Generated Node #0,2,0: 76:[76, 61] Operation: 44+17=61 Exploring Operation: 76-44=32, Resulting Numbers: [17, 32] Generated Node #0,2,1: 76:[17, 32] Operation: 76-44=32 Exploring Operation: 44-17=27, Resulting Numbers: [76, 27] Generated Node #0,2,2: 76:[76, 27] Operation: 44-17=27 Moving to Node #0,2,1 Current State: 76:[17, 32], Operations: ['25-8=17', '76-44=32'] Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,76 unequal: No Solution Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,76 unequal: No Solution Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[76, 27], Operations: ['25-8=17', '44-17=27'] Exploring Operation: 76+27=103, Resulting Numbers: [103] 103,76 unequal: No Solution Exploring Operation: 76-27=49, Resulting Numbers: [49] 49,76 unequal: No Solution Exploring Operation: 76*27=2052, Resulting Numbers: [2052] 2052,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[76, 61], Operations: ['25-8=17', '44+17=61'] Exploring Operation: 76+61=137, Resulting Numbers: [137] 137,76 unequal: No Solution Exploring Operation: 76*61=4636, Resulting Numbers: [4636] 4636,76 unequal: No Solution Exploring Operation: 76-61=15, Resulting Numbers: [15] 15,76 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
[ 84, 47, 54, 96 ]
82
[ "47*96=4512", "4512-84=4428", "4428/54=82" ]
Current State: 82:[84, 47, 54, 96], Operations: [] Exploring Operation: 47*96=4512, Resulting Numbers: [84, 54, 4512] Generated Node #2: [84, 54, 4512] from Operation: 47*96=4512 Current State: 82:[84, 54, 4512], Operations: ['47*96=4512'] Exploring Operation: 4512-84=4428, Resulting Numbers: [54, 4428] Generated Node #3: [54, 4428] from Operation: 4512-84=4428 Current State: 82:[54, 4428], Operations: ['47*96=4512', '4512-84=4428'] Exploring Operation: 4428/54=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[84, 47, 54, 96], Operations: [] Exploring Operation: 54-47=7, Resulting Numbers: [84, 96, 7] Generated Node #0,0: 82:[84, 96, 7] Operation: 54-47=7 Exploring Operation: 96-54=42, Resulting Numbers: [84, 47, 42] Generated Node #0,1: 82:[84, 47, 42] Operation: 96-54=42 Exploring Operation: 96-47=49, Resulting Numbers: [84, 54, 49] Generated Node #0,2: 82:[84, 54, 49] Operation: 96-47=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[84, 47, 42], Operations: ['96-54=42'] Exploring Operation: 84/42=2, Resulting Numbers: [47, 2] Generated Node #0,1,0: 82:[47, 2] Operation: 84/42=2 Exploring Operation: 47-42=5, Resulting Numbers: [84, 5] Generated Node #0,1,1: 82:[84, 5] Operation: 47-42=5 Exploring Operation: 84-47=37, Resulting Numbers: [42, 37] Generated Node #0,1,2: 82:[42, 37] Operation: 84-47=37 Moving to Node #0,1,1 Current State: 82:[84, 5], Operations: ['96-54=42', '47-42=5'] Exploring Operation: 84+5=89, Resulting Numbers: [89] 89,82 unequal: No Solution Exploring Operation: 84*5=420, Resulting Numbers: [420] 420,82 unequal: No Solution Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[42, 37], Operations: ['96-54=42', '84-47=37'] Exploring Operation: 42-37=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 42+37=79, Resulting Numbers: [79] 79,82 unequal: No Solution Exploring Operation: 42*37=1554, Resulting Numbers: [1554] 1554,82 unequal: No Solution Moving to Node #0,1,0 Current State: 82:[47, 2], Operations: ['96-54=42', '84/42=2'] Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,82 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,82 unequal: No Solution Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[84, 96, 7], Operations: ['54-47=7'] Exploring Operation: 96-7=89, Resulting Numbers: [84, 89] Generated Node #0,0,0: 82:[84, 89] Operation: 96-7=89 Exploring Operation: 84-7=77, Resulting Numbers: [96, 77] Generated Node #0,0,1: 82:[96, 77] Operation: 84-7=77 Exploring Operation: 96-84=12, Resulting Numbers: [7, 12] Generated Node #0,0,2: 82:[7, 12] Operation: 96-84=12 Moving to Node #0,0,0 Current State: 82:[84, 89], Operations: ['54-47=7', '96-7=89'] Exploring Operation: 84+89=173, Resulting Numbers: [173] 173,82 unequal: No Solution Exploring Operation: 89-84=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 84*89=7476, Resulting Numbers: [7476] 7476,82 unequal: No Solution Moving to Node #0,0,2 Current State: 82:[7, 12], Operations: ['54-47=7', '96-84=12'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,82 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[96, 77], Operations: ['54-47=7', '84-7=77'] Exploring Operation: 96+77=173, Resulting Numbers: [173] 173,82 unequal: No Solution Exploring Operation: 96*77=7392, Resulting Numbers: [7392] 7392,82 unequal: No Solution Exploring Operation: 96-77=19, Resulting Numbers: [19] 19,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[84, 54, 49], Operations: ['96-47=49'] Exploring Operation: 84-49=35, Resulting Numbers: [54, 35] Generated Node #0,2,0: 82:[54, 35] Operation: 84-49=35 Exploring Operation: 84-54=30, Resulting Numbers: [49, 30] Generated Node #0,2,1: 82:[49, 30] Operation: 84-54=30 Exploring Operation: 54-49=5, Resulting Numbers: [84, 5] Generated Node #0,2,2: 82:[84, 5] Operation: 54-49=5 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 82:[84, 5], Operations: ['96-47=49', '54-49=5'] Exploring Operation: 84+5=89, Resulting Numbers: [89] 89,82 unequal: No Solution Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,82 unequal: No Solution Exploring Operation: 84*5=420, Resulting Numbers: [420] 420,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 82:[54, 35], Operations: ['96-47=49', '84-49=35'] Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,82 unequal: No Solution Exploring Operation: 54+35=89, Resulting Numbers: [89] 89,82 unequal: No Solution Exploring Operation: 54*35=1890, Resulting Numbers: [1890] 1890,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 82:[49, 30], Operations: ['96-47=49', '84-54=30'] Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,82 unequal: No Solution Exploring Operation: 49+30=79, Resulting Numbers: [79] 79,82 unequal: No Solution Exploring Operation: 49*30=1470, Resulting Numbers: [1470] 1470,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 20, 80, 49, 40 ]
93
[ "80/20=4", "49+40=89", "4+89=93" ]
Current State: 93:[20, 80, 49, 40], Operations: [] Exploring Operation: 80/20=4, Resulting Numbers: [49, 40, 4] Generated Node #2: [49, 40, 4] from Operation: 80/20=4 Current State: 93:[49, 40, 4], Operations: ['80/20=4'] Exploring Operation: 49+40=89, Resulting Numbers: [4, 89] Generated Node #3: [4, 89] from Operation: 49+40=89 Current State: 93:[4, 89], Operations: ['80/20=4', '49+40=89'] Exploring Operation: 4+89=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[20, 80, 49, 40], Operations: [] Exploring Operation: 80-49=31, Resulting Numbers: [20, 40, 31] Generated Node #0,0: 93:[20, 40, 31] Operation: 80-49=31 Exploring Operation: 80/20=4, Resulting Numbers: [49, 40, 4] Generated Node #0,1: 93:[49, 40, 4] Operation: 80/20=4 Exploring Operation: 49+40=89, Resulting Numbers: [20, 80, 89] Generated Node #0,2: 93:[20, 80, 89] Operation: 49+40=89 Exploring Operation: 49-20=29, Resulting Numbers: [80, 40, 29] Generated Node #0,3: 93:[80, 40, 29] Operation: 49-20=29 Moving to Node #0,0 Current State: 93:[20, 40, 31], Operations: ['80-49=31'] Exploring Operation: 31-20=11, Resulting Numbers: [40, 11] Generated Node #0,0,0: 93:[40, 11] Operation: 31-20=11 Exploring Operation: 40-31=9, Resulting Numbers: [20, 9] Generated Node #0,0,1: 93:[20, 9] Operation: 40-31=9 Exploring Operation: 40-20=20, Resulting Numbers: [31, 20] Generated Node #0,0,2: 93:[31, 20] Operation: 40-20=20 Exploring Operation: 40/20=2, Resulting Numbers: [31, 2] Generated Node #0,0,3: 93:[31, 2] Operation: 40/20=2 Moving to Node #0,3 Current State: 93:[80, 40, 29], Operations: ['49-20=29'] Exploring Operation: 80+29=109, Resulting Numbers: [40, 109] Generated Node #0,3,0: 93:[40, 109] Operation: 80+29=109 Exploring Operation: 80/40=2, Resulting Numbers: [29, 2] Generated Node #0,3,1: 93:[29, 2] Operation: 80/40=2 Exploring Operation: 80-40=40, Resulting Numbers: [29, 40] Generated Node #0,3,2: 93:[29, 40] Operation: 80-40=40 Exploring Operation: 40-29=11, Resulting Numbers: [80, 11] Generated Node #0,3,3: 93:[80, 11] Operation: 40-29=11 Moving to Node #0,2 Current State: 93:[20, 80, 89], Operations: ['49+40=89'] Exploring Operation: 20+80=100, Resulting Numbers: [89, 100] Generated Node #0,2,0: 93:[89, 100] Operation: 20+80=100 Exploring Operation: 80/20=4, Resulting Numbers: [89, 4] Generated Node #0,2,1: 93:[89, 4] Operation: 80/20=4 Exploring Operation: 20+89=109, Resulting Numbers: [80, 109] Generated Node #0,2,2: 93:[80, 109] Operation: 20+89=109 Exploring Operation: 89-80=9, Resulting Numbers: [20, 9] Generated Node #0,2,3: 93:[20, 9] Operation: 89-80=9 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[89, 4], Operations: ['49+40=89', '80/20=4'] Exploring Operation: 89*4=356, Resulting Numbers: [356] 356,93 unequal: No Solution Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,93 unequal: No Solution Exploring Operation: 89+4=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[20, 80, 49, 40], Operations: [] Exploring Operation: 49+40=89, Resulting Numbers: [20, 80, 89] Generated Node #0,2: 93:[20, 80, 89] Operation: 49+40=89 Moving to Node #0,2 Current State: 93:[20, 80, 89], Operations: ['49+40=89'] Exploring Operation: 80/20=4, Resulting Numbers: [89, 4] Generated Node #0,2,1: 93:[89, 4] Operation: 80/20=4 Moving to Node #0,2,1 Current State: 93:[89, 4], Operations: ['49+40=89', '80/20=4'] Exploring Operation: 89+4=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
mult_heuristic
[ 51, 12, 35, 29 ]
57
[ "51+12=63", "35-29=6", "63-6=57" ]
Current State: 57:[51, 12, 35, 29], Operations: [] Exploring Operation: 51+12=63, Resulting Numbers: [35, 29, 63] Generated Node #2: [35, 29, 63] from Operation: 51+12=63 Current State: 57:[35, 29, 63], Operations: ['51+12=63'] Exploring Operation: 35-29=6, Resulting Numbers: [63, 6] Generated Node #3: [63, 6] from Operation: 35-29=6 Current State: 57:[63, 6], Operations: ['51+12=63', '35-29=6'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[51, 12, 35, 29], Operations: [] Exploring Operation: 35-29=6, Resulting Numbers: [51, 12, 6] Generated Node #0,0: 57:[51, 12, 6] Operation: 35-29=6 Exploring Operation: 35-12=23, Resulting Numbers: [51, 29, 23] Generated Node #0,1: 57:[51, 29, 23] Operation: 35-12=23 Exploring Operation: 35+29=64, Resulting Numbers: [51, 12, 64] Generated Node #0,2: 57:[51, 12, 64] Operation: 35+29=64 Exploring Operation: 51-35=16, Resulting Numbers: [12, 29, 16] Generated Node #0,3: 57:[12, 29, 16] Operation: 51-35=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[51, 12, 6], Operations: ['35-29=6'] Exploring Operation: 51+6=57, Resulting Numbers: [12, 57] Generated Node #0,0,0: 57:[12, 57] Operation: 51+6=57 Exploring Operation: 51+12=63, Resulting Numbers: [6, 63] Generated Node #0,0,1: 57:[6, 63] Operation: 51+12=63 Exploring Operation: 12/6=2, Resulting Numbers: [51, 2] Generated Node #0,0,2: 57:[51, 2] Operation: 12/6=2 Exploring Operation: 12+6=18, Resulting Numbers: [51, 18] Generated Node #0,0,3: 57:[51, 18] Operation: 12+6=18 Moving to Node #0,0,0 Current State: 57:[12, 57], Operations: ['35-29=6', '51+6=57'] Exploring Operation: 12*57=684, Resulting Numbers: [684] 684,57 unequal: No Solution Exploring Operation: 12+57=69, Resulting Numbers: [69] 69,57 unequal: No Solution Exploring Operation: 57-12=45, Resulting Numbers: [45] 45,57 unequal: No Solution Moving to Node #0,0,3 Current State: 57:[51, 18], Operations: ['35-29=6', '12+6=18'] Exploring Operation: 51+18=69, Resulting Numbers: [69] 69,57 unequal: No Solution Exploring Operation: 51*18=918, Resulting Numbers: [918] 918,57 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[51, 2], Operations: ['35-29=6', '12/6=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,57 unequal: No Solution Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,57 unequal: No Solution Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[6, 63], Operations: ['35-29=6', '51+12=63'] Exploring Operation: 6+63=69, Resulting Numbers: [69] 69,57 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[51, 12, 35, 29], Operations: [] Exploring Operation: 35-29=6, Resulting Numbers: [51, 12, 6] Generated Node #0,0: 57:[51, 12, 6] Operation: 35-29=6 Moving to Node #0,0 Current State: 57:[51, 12, 6], Operations: ['35-29=6'] Exploring Operation: 51+12=63, Resulting Numbers: [6, 63] Generated Node #0,0,1: 57:[6, 63] Operation: 51+12=63 Moving to Node #0,0,1 Current State: 57:[6, 63], Operations: ['35-29=6', '51+12=63'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
mult_heuristic
[ 60, 49, 49, 44 ]
16
[ "60+49=109", "49+44=93", "109-93=16" ]
Current State: 16:[60, 49, 49, 44], Operations: [] Exploring Operation: 60+49=109, Resulting Numbers: [44, 109] Generated Node #2: [44, 109] from Operation: 60+49=109 Current State: 16:[44, 109], Operations: ['60+49=109'] Exploring Operation: 49+44=93, Resulting Numbers: [109, 93] Generated Node #3: [109, 93] from Operation: 49+44=93 Current State: 16:[109, 93], Operations: ['60+49=109', '49+44=93'] Exploring Operation: 109-93=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[60, 49, 49, 44], Operations: [] Exploring Operation: 49/49=1, Resulting Numbers: [60, 44, 1] Generated Node #0,0: 16:[60, 44, 1] Operation: 49/49=1 Exploring Operation: 60-49=11, Resulting Numbers: [49, 44, 11] Generated Node #0,1: 16:[49, 44, 11] Operation: 60-49=11 Exploring Operation: 49-49=0, Resulting Numbers: [60, 44, 0] Generated Node #0,2: 16:[60, 44, 0] Operation: 49-49=0 Exploring Operation: 60-44=16, Resulting Numbers: [49, 49, 16] Generated Node #0,3: 16:[49, 49, 16] Operation: 60-44=16 Exploring Operation: 60-49=11, Resulting Numbers: [49, 44, 11] Generated Node #0,4: 16:[49, 44, 11] Operation: 60-49=11 Moving to Node #0,1 Current State: 16:[49, 44, 11], Operations: ['60-49=11'] Exploring Operation: 44-11=33, Resulting Numbers: [49, 33] Generated Node #0,1,0: 16:[49, 33] Operation: 44-11=33 Exploring Operation: 49-11=38, Resulting Numbers: [44, 38] Generated Node #0,1,1: 16:[44, 38] Operation: 49-11=38 Exploring Operation: 49-44=5, Resulting Numbers: [11, 5] Generated Node #0,1,2: 16:[11, 5] Operation: 49-44=5 Exploring Operation: 44/11=4, Resulting Numbers: [49, 4] Generated Node #0,1,3: 16:[49, 4] Operation: 44/11=4 Exploring Operation: 49+11=60, Resulting Numbers: [44, 60] Generated Node #0,1,4: 16:[44, 60] Operation: 49+11=60 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[11, 5], Operations: ['60-49=11', '49-44=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[60, 49, 49, 44], Operations: [] Exploring Operation: 60-49=11, Resulting Numbers: [49, 44, 11] Generated Node #0,1: 16:[49, 44, 11] Operation: 60-49=11 Moving to Node #0,1 Current State: 16:[49, 44, 11], Operations: ['60-49=11'] Exploring Operation: 49-44=5, Resulting Numbers: [11, 5] Generated Node #0,1,2: 16:[11, 5] Operation: 49-44=5 Moving to Node #0,1,2 Current State: 16:[11, 5], Operations: ['60-49=11', '49-44=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic