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
[ 41, 15, 27, 91 ]
90
[ "41-15=26", "91-27=64", "26+64=90" ]
Current State: 90:[41, 15, 27, 91], Operations: [] Exploring Operation: 41-15=26, Resulting Numbers: [27, 91, 26] Generated Node #2: [27, 91, 26] from Operation: 41-15=26 Current State: 90:[27, 91, 26], Operations: ['41-15=26'] Exploring Operation: 91-27=64, Resulting Numbers: [26, 64] Generated Node #3: [26, 64] from Operation: 91-27=64 Current State: 90:[26, 64], Operations: ['41-15=26', '91-27=64'] Exploring Operation: 26+64=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[41, 15, 27, 91], Operations: [] Exploring Operation: 41-27=14, Resulting Numbers: [15, 91, 14] Generated Node #0,0: 90:[15, 91, 14] Operation: 41-27=14 Exploring Operation: 27-15=12, Resulting Numbers: [41, 91, 12] Generated Node #0,1: 90:[41, 91, 12] Operation: 27-15=12 Moving to Node #0,0 Current State: 90:[15, 91, 14], Operations: ['41-27=14'] Exploring Operation: 15+14=29, Resulting Numbers: [91, 29] Generated Node #0,0,0: 90:[91, 29] Operation: 15+14=29 Exploring Operation: 15-14=1, Resulting Numbers: [91, 1] Generated Node #0,0,1: 90:[91, 1] Operation: 15-14=1 Moving to Node #0,1 Current State: 90:[41, 91, 12], Operations: ['27-15=12'] Exploring Operation: 91-41=50, Resulting Numbers: [12, 50] Generated Node #0,1,0: 90:[12, 50] Operation: 91-41=50 Exploring Operation: 41-12=29, Resulting Numbers: [91, 29] Generated Node #0,1,1: 90:[91, 29] Operation: 41-12=29 Moving to Node #0,0,0 Current State: 90:[91, 29], Operations: ['41-27=14', '15+14=29'] Exploring Operation: 91+29=120, Resulting Numbers: [120] 120,90 unequal: No Solution Exploring Operation: 91-29=62, Resulting Numbers: [62] 62,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[91, 29], Operations: ['27-15=12', '41-12=29'] Exploring Operation: 91-29=62, Resulting Numbers: [62] 62,90 unequal: No Solution Exploring Operation: 91+29=120, Resulting Numbers: [120] 120,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[91, 1], Operations: ['41-27=14', '15-14=1'] Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[41, 15, 27, 91], Operations: [] Exploring Operation: 41-27=14, Resulting Numbers: [15, 91, 14] Generated Node #0,0: 90:[15, 91, 14] Operation: 41-27=14 Moving to Node #0,0 Current State: 90:[15, 91, 14], Operations: ['41-27=14'] Exploring Operation: 15-14=1, Resulting Numbers: [91, 1] Generated Node #0,0,1: 90:[91, 1] Operation: 15-14=1 Moving to Node #0,0,1 Current State: 90:[91, 1], Operations: ['41-27=14', '15-14=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 8, 17, 6, 26 ]
35
[ "8-6=2", "26*2=52", "52-17=35" ]
Current State: 35:[8, 17, 6, 26], Operations: [] Exploring Operation: 8-6=2, Resulting Numbers: [17, 26, 2] Generated Node #2: [17, 26, 2] from Operation: 8-6=2 Current State: 35:[17, 26, 2], Operations: ['8-6=2'] Exploring Operation: 26*2=52, Resulting Numbers: [17, 52] Generated Node #3: [17, 52] from Operation: 26*2=52 Current State: 35:[17, 52], Operations: ['8-6=2', '26*2=52'] Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[8, 17, 6, 26], Operations: [] Exploring Operation: 26-17=9, Resulting Numbers: [8, 6, 9] Generated Node #0,0: 35:[8, 6, 9] Operation: 26-17=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[8, 6, 9], Operations: ['26-17=9'] Exploring Operation: 9-6=3, Resulting Numbers: [8, 3] Generated Node #0,0,0: 35:[8, 3] Operation: 9-6=3 Moving to Node #0,0,0 Current State: 35:[8, 3], Operations: ['26-17=9', '9-6=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,35 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
[ 78, 68, 27, 4 ]
34
[ "78-27=51", "68/4=17", "51-17=34" ]
Current State: 34:[78, 68, 27, 4], Operations: [] Exploring Operation: 78-27=51, Resulting Numbers: [68, 4, 51] Generated Node #2: [68, 4, 51] from Operation: 78-27=51 Current State: 34:[68, 4, 51], Operations: ['78-27=51'] Exploring Operation: 68/4=17, Resulting Numbers: [51, 17] Generated Node #3: [51, 17] from Operation: 68/4=17 Current State: 34:[51, 17], Operations: ['78-27=51', '68/4=17'] Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[78, 68, 27, 4], Operations: [] Exploring Operation: 68/4=17, Resulting Numbers: [78, 27, 17] Generated Node #0,0: 34:[78, 27, 17] Operation: 68/4=17 Exploring Operation: 78-68=10, Resulting Numbers: [27, 4, 10] Generated Node #0,1: 34:[27, 4, 10] Operation: 78-68=10 Exploring Operation: 78-27=51, Resulting Numbers: [68, 4, 51] Generated Node #0,2: 34:[68, 4, 51] Operation: 78-27=51 Exploring Operation: 68-27=41, Resulting Numbers: [78, 4, 41] Generated Node #0,3: 34:[78, 4, 41] Operation: 68-27=41 Exploring Operation: 78-4=74, Resulting Numbers: [68, 27, 74] Generated Node #0,4: 34:[68, 27, 74] Operation: 78-4=74 Moving to Node #0,1 Current State: 34:[27, 4, 10], Operations: ['78-68=10'] Exploring Operation: 27-10=17, Resulting Numbers: [4, 17] Generated Node #0,1,0: 34:[4, 17] Operation: 27-10=17 Exploring Operation: 27+4=31, Resulting Numbers: [10, 31] Generated Node #0,1,1: 34:[10, 31] Operation: 27+4=31 Exploring Operation: 27+10=37, Resulting Numbers: [4, 37] Generated Node #0,1,2: 34:[4, 37] Operation: 27+10=37 Exploring Operation: 4+10=14, Resulting Numbers: [27, 14] Generated Node #0,1,3: 34:[27, 14] Operation: 4+10=14 Exploring Operation: 10-4=6, Resulting Numbers: [27, 6] Generated Node #0,1,4: 34:[27, 6] Operation: 10-4=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[4, 17], Operations: ['78-68=10', '27-10=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,34 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[4, 37], Operations: ['78-68=10', '27+10=37'] Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,34 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[10, 31], Operations: ['78-68=10', '27+4=31'] Exploring Operation: 10*31=310, Resulting Numbers: [310] 310,34 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 34:[27, 14], Operations: ['78-68=10', '4+10=14'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,34 unequal: No Solution Exploring Operation: 27*14=378, Resulting Numbers: [378] 378,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 34:[27, 6], Operations: ['78-68=10', '10-4=6'] Exploring Operation: 27*6=162, Resulting Numbers: [162] 162,34 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,34 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: 34:[78, 27, 17], Operations: ['68/4=17'] Exploring Operation: 27-17=10, Resulting Numbers: [78, 10] Generated Node #0,0,0: 34:[78, 10] Operation: 27-17=10 Exploring Operation: 78-17=61, Resulting Numbers: [27, 61] Generated Node #0,0,1: 34:[27, 61] Operation: 78-17=61 Exploring Operation: 78-27=51, Resulting Numbers: [17, 51] Generated Node #0,0,2: 34:[17, 51] Operation: 78-27=51 Exploring Operation: 27+17=44, Resulting Numbers: [78, 44] Generated Node #0,0,3: 34:[78, 44] Operation: 27+17=44 Exploring Operation: 78+17=95, Resulting Numbers: [27, 95] Generated Node #0,0,4: 34:[27, 95] Operation: 78+17=95 Moving to Node #0,2 Current State: 34:[68, 4, 51], Operations: ['78-27=51'] Exploring Operation: 68-51=17, Resulting Numbers: [4, 17] Generated Node #0,2,0: 34:[4, 17] Operation: 68-51=17 Exploring Operation: 51-4=47, Resulting Numbers: [68, 47] Generated Node #0,2,1: 34:[68, 47] Operation: 51-4=47 Exploring Operation: 68-4=64, Resulting Numbers: [51, 64] Generated Node #0,2,2: 34:[51, 64] Operation: 68-4=64 Exploring Operation: 68+4=72, Resulting Numbers: [51, 72] Generated Node #0,2,3: 34:[51, 72] Operation: 68+4=72 Exploring Operation: 68/4=17, Resulting Numbers: [51, 17] Generated Node #0,2,4: 34:[51, 17] Operation: 68/4=17 Moving to Node #0,3 Current State: 34:[78, 4, 41], Operations: ['68-27=41'] Exploring Operation: 4+41=45, Resulting Numbers: [78, 45] Generated Node #0,3,0: 34:[78, 45] Operation: 4+41=45 Exploring Operation: 41-4=37, Resulting Numbers: [78, 37] Generated Node #0,3,1: 34:[78, 37] Operation: 41-4=37 Exploring Operation: 78-41=37, Resulting Numbers: [4, 37] Generated Node #0,3,2: 34:[4, 37] Operation: 78-41=37 Exploring Operation: 78-4=74, Resulting Numbers: [41, 74] Generated Node #0,3,3: 34:[41, 74] Operation: 78-4=74 Exploring Operation: 78+4=82, Resulting Numbers: [41, 82] Generated Node #0,3,4: 34:[41, 82] Operation: 78+4=82 Moving to Node #0,4 Current State: 34:[68, 27, 74], Operations: ['78-4=74'] Exploring Operation: 74-27=47, Resulting Numbers: [68, 47] Generated Node #0,4,0: 34:[68, 47] Operation: 74-27=47 Exploring Operation: 68-27=41, Resulting Numbers: [74, 41] Generated Node #0,4,1: 34:[74, 41] Operation: 68-27=41 Exploring Operation: 74-68=6, Resulting Numbers: [27, 6] Generated Node #0,4,2: 34:[27, 6] Operation: 74-68=6 Exploring Operation: 68+27=95, Resulting Numbers: [74, 95] Generated Node #0,4,3: 34:[74, 95] Operation: 68+27=95 Exploring Operation: 27+74=101, Resulting Numbers: [68, 101] Generated Node #0,4,4: 34:[68, 101] Operation: 27+74=101 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 34:[27, 6], Operations: ['78-4=74', '74-68=6'] Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 27*6=162, Resulting Numbers: [162] 162,34 unequal: No Solution Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 34:[68, 47], Operations: ['78-4=74', '74-27=47'] Exploring Operation: 68+47=115, Resulting Numbers: [115] 115,34 unequal: No Solution Exploring Operation: 68-47=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 68*47=3196, Resulting Numbers: [3196] 3196,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 34:[74, 41], Operations: ['78-4=74', '68-27=41'] Exploring Operation: 74-41=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 74*41=3034, Resulting Numbers: [3034] 3034,34 unequal: No Solution Exploring Operation: 74+41=115, Resulting Numbers: [115] 115,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 34:[74, 95], Operations: ['78-4=74', '68+27=95'] Exploring Operation: 95-74=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 74+95=169, Resulting Numbers: [169] 169,34 unequal: No Solution Exploring Operation: 74*95=7030, Resulting Numbers: [7030] 7030,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 34:[68, 101], Operations: ['78-4=74', '27+74=101'] Exploring Operation: 68*101=6868, Resulting Numbers: [6868] 6868,34 unequal: No Solution Exploring Operation: 101-68=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 68+101=169, Resulting Numbers: [169] 169,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 34:[4, 17], Operations: ['78-27=51', '68-51=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,34 unequal: No Solution Moving to Node #0,3,2 Current State: 34:[4, 37], Operations: ['68-27=41', '78-41=37'] Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,34 unequal: No Solution Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[17, 51], Operations: ['68/4=17', '78-27=51'] Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[78, 68, 27, 4], Operations: [] Exploring Operation: 68/4=17, Resulting Numbers: [78, 27, 17] Generated Node #0,0: 34:[78, 27, 17] Operation: 68/4=17 Moving to Node #0,0 Current State: 34:[78, 27, 17], Operations: ['68/4=17'] Exploring Operation: 78-27=51, Resulting Numbers: [17, 51] Generated Node #0,0,2: 34:[17, 51] Operation: 78-27=51 Moving to Node #0,0,2 Current State: 34:[17, 51], Operations: ['68/4=17', '78-27=51'] Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.938368
hs_5
mult_heuristic
[ 56, 85, 80, 60 ]
44
[ "85-80=5", "60/5=12", "56-12=44" ]
Current State: 44:[56, 85, 80, 60], Operations: [] Exploring Operation: 85-80=5, Resulting Numbers: [56, 60, 5] Generated Node #2: [56, 60, 5] from Operation: 85-80=5 Current State: 44:[56, 60, 5], Operations: ['85-80=5'] Exploring Operation: 60/5=12, Resulting Numbers: [56, 12] Generated Node #3: [56, 12] from Operation: 60/5=12 Current State: 44:[56, 12], Operations: ['85-80=5', '60/5=12'] Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[56, 85, 80, 60], Operations: [] Exploring Operation: 85-60=25, Resulting Numbers: [56, 80, 25] Generated Node #0,0: 44:[56, 80, 25] Operation: 85-60=25 Exploring Operation: 85-56=29, Resulting Numbers: [80, 60, 29] Generated Node #0,1: 44:[80, 60, 29] Operation: 85-56=29 Exploring Operation: 80-56=24, Resulting Numbers: [85, 60, 24] Generated Node #0,2: 44:[85, 60, 24] Operation: 80-56=24 Exploring Operation: 85-80=5, Resulting Numbers: [56, 60, 5] Generated Node #0,3: 44:[56, 60, 5] Operation: 85-80=5 Exploring Operation: 80-60=20, Resulting Numbers: [56, 85, 20] Generated Node #0,4: 44:[56, 85, 20] Operation: 80-60=20 Moving to Node #0,3 Current State: 44:[56, 60, 5], Operations: ['85-80=5'] Exploring Operation: 60/5=12, Resulting Numbers: [56, 12] Generated Node #0,3,0: 44:[56, 12] Operation: 60/5=12 Exploring Operation: 60-5=55, Resulting Numbers: [56, 55] Generated Node #0,3,1: 44:[56, 55] Operation: 60-5=55 Exploring Operation: 56+5=61, Resulting Numbers: [60, 61] Generated Node #0,3,2: 44:[60, 61] Operation: 56+5=61 Exploring Operation: 56-5=51, Resulting Numbers: [60, 51] Generated Node #0,3,3: 44:[60, 51] Operation: 56-5=51 Exploring Operation: 60-56=4, Resulting Numbers: [5, 4] Generated Node #0,3,4: 44:[5, 4] Operation: 60-56=4 Moving to Node #0,0 Current State: 44:[56, 80, 25], Operations: ['85-60=25'] Exploring Operation: 80-25=55, Resulting Numbers: [56, 55] Generated Node #0,0,0: 44:[56, 55] Operation: 80-25=55 Exploring Operation: 56-25=31, Resulting Numbers: [80, 31] Generated Node #0,0,1: 44:[80, 31] Operation: 56-25=31 Exploring Operation: 80-56=24, Resulting Numbers: [25, 24] Generated Node #0,0,2: 44:[25, 24] Operation: 80-56=24 Exploring Operation: 56+25=81, Resulting Numbers: [80, 81] Generated Node #0,0,3: 44:[80, 81] Operation: 56+25=81 Exploring Operation: 80+25=105, Resulting Numbers: [56, 105] Generated Node #0,0,4: 44:[56, 105] Operation: 80+25=105 Moving to Node #0,4 Current State: 44:[56, 85, 20], Operations: ['80-60=20'] Exploring Operation: 85-20=65, Resulting Numbers: [56, 65] Generated Node #0,4,0: 44:[56, 65] Operation: 85-20=65 Exploring Operation: 85+20=105, Resulting Numbers: [56, 105] Generated Node #0,4,1: 44:[56, 105] Operation: 85+20=105 Exploring Operation: 56-20=36, Resulting Numbers: [85, 36] Generated Node #0,4,2: 44:[85, 36] Operation: 56-20=36 Exploring Operation: 85-56=29, Resulting Numbers: [20, 29] Generated Node #0,4,3: 44:[20, 29] Operation: 85-56=29 Exploring Operation: 56+20=76, Resulting Numbers: [85, 76] Generated Node #0,4,4: 44:[85, 76] Operation: 56+20=76 Moving to Node #0,1 Current State: 44:[80, 60, 29], Operations: ['85-56=29'] Exploring Operation: 80+29=109, Resulting Numbers: [60, 109] Generated Node #0,1,0: 44:[60, 109] Operation: 80+29=109 Exploring Operation: 60-29=31, Resulting Numbers: [80, 31] Generated Node #0,1,1: 44:[80, 31] Operation: 60-29=31 Exploring Operation: 80-29=51, Resulting Numbers: [60, 51] Generated Node #0,1,2: 44:[60, 51] Operation: 80-29=51 Exploring Operation: 60+29=89, Resulting Numbers: [80, 89] Generated Node #0,1,3: 44:[80, 89] Operation: 60+29=89 Exploring Operation: 80-60=20, Resulting Numbers: [29, 20] Generated Node #0,1,4: 44:[29, 20] Operation: 80-60=20 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 44:[29, 20], Operations: ['85-56=29', '80-60=20'] Exploring Operation: 29*20=580, Resulting Numbers: [580] 580,44 unequal: No Solution Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 44:[60, 51], Operations: ['85-56=29', '80-29=51'] Exploring Operation: 60+51=111, Resulting Numbers: [111] 111,44 unequal: No Solution Exploring Operation: 60*51=3060, Resulting Numbers: [3060] 3060,44 unequal: No Solution Exploring Operation: 60-51=9, Resulting Numbers: [9] 9,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[80, 31], Operations: ['85-56=29', '60-29=31'] Exploring Operation: 80*31=2480, Resulting Numbers: [2480] 2480,44 unequal: No Solution Exploring Operation: 80+31=111, Resulting Numbers: [111] 111,44 unequal: No Solution Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 44:[60, 109], Operations: ['85-56=29', '80+29=109'] Exploring Operation: 60+109=169, Resulting Numbers: [169] 169,44 unequal: No Solution Exploring Operation: 60*109=6540, Resulting Numbers: [6540] 6540,44 unequal: No Solution Exploring Operation: 109-60=49, Resulting Numbers: [49] 49,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 44:[80, 89], Operations: ['85-56=29', '60+29=89'] Exploring Operation: 80+89=169, Resulting Numbers: [169] 169,44 unequal: No Solution Exploring Operation: 89-80=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 80*89=7120, Resulting Numbers: [7120] 7120,44 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: 44:[85, 60, 24], Operations: ['80-56=24'] Exploring Operation: 60+24=84, Resulting Numbers: [85, 84] Generated Node #0,2,0: 44:[85, 84] Operation: 60+24=84 Exploring Operation: 60-24=36, Resulting Numbers: [85, 36] Generated Node #0,2,1: 44:[85, 36] Operation: 60-24=36 Exploring Operation: 85-60=25, Resulting Numbers: [24, 25] Generated Node #0,2,2: 44:[24, 25] Operation: 85-60=25 Exploring Operation: 85+24=109, Resulting Numbers: [60, 109] Generated Node #0,2,3: 44:[60, 109] Operation: 85+24=109 Exploring Operation: 85-24=61, Resulting Numbers: [60, 61] Generated Node #0,2,4: 44:[60, 61] Operation: 85-24=61 Moving to Node #0,3,4 Current State: 44:[5, 4], Operations: ['85-80=5', '60-56=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[25, 24], Operations: ['85-60=25', '80-56=24'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,44 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[24, 25], Operations: ['80-56=24', '85-60=25'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,44 unequal: No Solution Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,44 unequal: No Solution Moving to Node #0,4,3 Current State: 44:[20, 29], Operations: ['80-60=20', '85-56=29'] Exploring Operation: 20+29=49, Resulting Numbers: [49] 49,44 unequal: No Solution Exploring Operation: 20*29=580, Resulting Numbers: [580] 580,44 unequal: No Solution Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,44 unequal: No Solution Moving to Node #0,3,0 Current State: 44:[56, 12], Operations: ['85-80=5', '60/5=12'] Exploring Operation: 56+12=68, Resulting Numbers: [68] 68,44 unequal: No Solution Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[56, 85, 80, 60], Operations: [] Exploring Operation: 85-80=5, Resulting Numbers: [56, 60, 5] Generated Node #0,3: 44:[56, 60, 5] Operation: 85-80=5 Moving to Node #0,3 Current State: 44:[56, 60, 5], Operations: ['85-80=5'] Exploring Operation: 60/5=12, Resulting Numbers: [56, 12] Generated Node #0,3,0: 44:[56, 12] Operation: 60/5=12 Moving to Node #0,3,0 Current State: 44:[56, 12], Operations: ['85-80=5', '60/5=12'] Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
0.945313
hs_5
sum_heuristic
[ 12, 37, 58, 10 ]
25
[ "12*10=120", "37+58=95", "120-95=25" ]
Current State: 25:[12, 37, 58, 10], Operations: [] Exploring Operation: 12*10=120, Resulting Numbers: [37, 58, 120] Generated Node #2: [37, 58, 120] from Operation: 12*10=120 Current State: 25:[37, 58, 120], Operations: ['12*10=120'] Exploring Operation: 37+58=95, Resulting Numbers: [120, 95] Generated Node #3: [120, 95] from Operation: 37+58=95 Current State: 25:[120, 95], Operations: ['12*10=120', '37+58=95'] Exploring Operation: 120-95=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[12, 37, 58, 10], Operations: [] Exploring Operation: 37-10=27, Resulting Numbers: [12, 58, 27] Generated Node #0,0: 25:[12, 58, 27] Operation: 37-10=27 Exploring Operation: 58-10=48, Resulting Numbers: [12, 37, 48] Generated Node #0,1: 25:[12, 37, 48] Operation: 58-10=48 Exploring Operation: 58-12=46, Resulting Numbers: [37, 10, 46] Generated Node #0,2: 25:[37, 10, 46] Operation: 58-12=46 Exploring Operation: 58-37=21, Resulting Numbers: [12, 10, 21] Generated Node #0,3: 25:[12, 10, 21] Operation: 58-37=21 Exploring Operation: 37-12=25, Resulting Numbers: [58, 10, 25] Generated Node #0,4: 25:[58, 10, 25] Operation: 37-12=25 Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[12, 10, 21], Operations: ['58-37=21'] Exploring Operation: 12+21=33, Resulting Numbers: [10, 33] Generated Node #0,3,0: 25:[10, 33] Operation: 12+21=33 Exploring Operation: 10+21=31, Resulting Numbers: [12, 31] Generated Node #0,3,1: 25:[12, 31] Operation: 10+21=31 Exploring Operation: 12-10=2, Resulting Numbers: [21, 2] Generated Node #0,3,2: 25:[21, 2] Operation: 12-10=2 Exploring Operation: 21-12=9, Resulting Numbers: [10, 9] Generated Node #0,3,3: 25:[10, 9] Operation: 21-12=9 Exploring Operation: 12+10=22, Resulting Numbers: [21, 22] Generated Node #0,3,4: 25:[21, 22] Operation: 12+10=22 Moving to Node #0,3,2 Current State: 25:[21, 2], Operations: ['58-37=21', '12-10=2'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,25 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,25 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,25 unequal: No Solution Moving to Node #0,3,4 Current State: 25:[21, 22], Operations: ['58-37=21', '12+10=22'] Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 21*22=462, Resulting Numbers: [462] 462,25 unequal: No Solution Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[10, 9], Operations: ['58-37=21', '21-12=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,25 unequal: No Solution Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,25 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,25 unequal: No Solution Moving to Node #0,3,0 Current State: 25:[10, 33], Operations: ['58-37=21', '12+21=33'] Exploring Operation: 10*33=330, Resulting Numbers: [330] 330,25 unequal: No Solution Exploring Operation: 10+33=43, Resulting Numbers: [43] 43,25 unequal: No Solution Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,25 unequal: No Solution Moving to Node #0,3,1 Current State: 25:[12, 31], Operations: ['58-37=21', '10+21=31'] Exploring Operation: 12*31=372, Resulting Numbers: [372] 372,25 unequal: No Solution Exploring Operation: 12+31=43, Resulting Numbers: [43] 43,25 unequal: No Solution Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,25 unequal: No Solution No 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: 25:[37, 10, 46], Operations: ['58-12=46'] Exploring Operation: 37+10=47, Resulting Numbers: [46, 47] Generated Node #0,2,0: 25:[46, 47] Operation: 37+10=47 Exploring Operation: 37-10=27, Resulting Numbers: [46, 27] Generated Node #0,2,1: 25:[46, 27] Operation: 37-10=27 Exploring Operation: 46-37=9, Resulting Numbers: [10, 9] Generated Node #0,2,2: 25:[10, 9] Operation: 46-37=9 Exploring Operation: 46-10=36, Resulting Numbers: [37, 36] Generated Node #0,2,3: 25:[37, 36] Operation: 46-10=36 Exploring Operation: 10+46=56, Resulting Numbers: [37, 56] Generated Node #0,2,4: 25:[37, 56] Operation: 10+46=56 Moving to Node #0,2,2 Current State: 25:[10, 9], Operations: ['58-12=46', '46-37=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,25 unequal: No Solution Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,25 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[37, 36], Operations: ['58-12=46', '46-10=36'] Exploring Operation: 37*36=1332, Resulting Numbers: [1332] 1332,25 unequal: No Solution Exploring Operation: 37+36=73, Resulting Numbers: [73] 73,25 unequal: No Solution Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[46, 27], Operations: ['58-12=46', '37-10=27'] Exploring Operation: 46+27=73, Resulting Numbers: [73] 73,25 unequal: No Solution Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,25 unequal: No Solution Exploring Operation: 46*27=1242, Resulting Numbers: [1242] 1242,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[46, 47], Operations: ['58-12=46', '37+10=47'] Exploring Operation: 46+47=93, Resulting Numbers: [93] 93,25 unequal: No Solution Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 46*47=2162, Resulting Numbers: [2162] 2162,25 unequal: No Solution Moving to Node #0,2,4 Current State: 25:[37, 56], Operations: ['58-12=46', '10+46=56'] Exploring Operation: 37+56=93, Resulting Numbers: [93] 93,25 unequal: No Solution Exploring Operation: 56-37=19, Resulting Numbers: [19] 19,25 unequal: No Solution Exploring Operation: 37*56=2072, Resulting Numbers: [2072] 2072,25 unequal: No Solution No 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: 25:[58, 10, 25], Operations: ['37-12=25'] Exploring Operation: 58-25=33, Resulting Numbers: [10, 33] Generated Node #0,4,0: 25:[10, 33] Operation: 58-25=33 Exploring Operation: 58-10=48, Resulting Numbers: [25, 48] Generated Node #0,4,1: 25:[25, 48] Operation: 58-10=48 Exploring Operation: 10+25=35, Resulting Numbers: [58, 35] Generated Node #0,4,2: 25:[58, 35] Operation: 10+25=35 Exploring Operation: 58+10=68, Resulting Numbers: [25, 68] Generated Node #0,4,3: 25:[25, 68] Operation: 58+10=68 Exploring Operation: 25-10=15, Resulting Numbers: [58, 15] Generated Node #0,4,4: 25:[58, 15] Operation: 25-10=15 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 25:[10, 33], Operations: ['37-12=25', '58-25=33'] Exploring Operation: 10+33=43, Resulting Numbers: [43] 43,25 unequal: No Solution Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 10*33=330, Resulting Numbers: [330] 330,25 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 #0,4,1 Current State: 25:[25, 48], Operations: ['37-12=25', '58-10=48'] Exploring Operation: 25+48=73, Resulting Numbers: [73] 73,25 unequal: No Solution Exploring Operation: 25*48=1200, Resulting Numbers: [1200] 1200,25 unequal: No Solution Exploring Operation: 48-25=23, Resulting Numbers: [23] 23,25 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 #0,4,2 Current State: 25:[58, 35], Operations: ['37-12=25', '10+25=35'] Exploring Operation: 58*35=2030, Resulting Numbers: [2030] 2030,25 unequal: No Solution Exploring Operation: 58-35=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 58+35=93, Resulting Numbers: [93] 93,25 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 #0,4,3 Current State: 25:[25, 68], Operations: ['37-12=25', '58+10=68'] Exploring Operation: 25+68=93, Resulting Numbers: [93] 93,25 unequal: No Solution Exploring Operation: 68-25=43, Resulting Numbers: [43] 43,25 unequal: No Solution Exploring Operation: 25*68=1700, Resulting Numbers: [1700] 1700,25 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 #0,4,4 Current State: 25:[58, 15], Operations: ['37-12=25', '25-10=15'] Exploring Operation: 58*15=870, Resulting Numbers: [870] 870,25 unequal: No Solution Exploring Operation: 58+15=73, Resulting Numbers: [73] 73,25 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,25 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: 25:[12, 58, 27], Operations: ['37-10=27'] Exploring Operation: 12+27=39, Resulting Numbers: [58, 39] Generated Node #0,0,0: 25:[58, 39] Operation: 12+27=39 Exploring Operation: 58-27=31, Resulting Numbers: [12, 31] Generated Node #0,0,1: 25:[12, 31] Operation: 58-27=31 Exploring Operation: 58-12=46, Resulting Numbers: [27, 46] Generated Node #0,0,2: 25:[27, 46] Operation: 58-12=46 Exploring Operation: 27-12=15, Resulting Numbers: [58, 15] Generated Node #0,0,3: 25:[58, 15] Operation: 27-12=15 Exploring Operation: 12+58=70, Resulting Numbers: [27, 70] Generated Node #0,0,4: 25:[27, 70] Operation: 12+58=70 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[12, 31], Operations: ['37-10=27', '58-27=31'] Exploring Operation: 12*31=372, Resulting Numbers: [372] 372,25 unequal: No Solution Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,25 unequal: No Solution Exploring Operation: 12+31=43, Resulting Numbers: [43] 43,25 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 #0,0,2 Current State: 25:[27, 46], Operations: ['37-10=27', '58-12=46'] Exploring Operation: 27*46=1242, Resulting Numbers: [1242] 1242,25 unequal: No Solution Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,25 unequal: No Solution Exploring Operation: 27+46=73, Resulting Numbers: [73] 73,25 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 #0,0,3 Current State: 25:[58, 15], Operations: ['37-10=27', '27-12=15'] Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,25 unequal: No Solution Exploring Operation: 58*15=870, Resulting Numbers: [870] 870,25 unequal: No Solution Exploring Operation: 58+15=73, Resulting Numbers: [73] 73,25 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 #0,0,0 Current State: 25:[58, 39], Operations: ['37-10=27', '12+27=39'] Exploring Operation: 58+39=97, Resulting Numbers: [97] 97,25 unequal: No Solution Exploring Operation: 58*39=2262, Resulting Numbers: [2262] 2262,25 unequal: No Solution Exploring Operation: 58-39=19, Resulting Numbers: [19] 19,25 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 #0,0,4 Current State: 25:[27, 70], Operations: ['37-10=27', '12+58=70'] Exploring Operation: 27*70=1890, Resulting Numbers: [1890] 1890,25 unequal: No Solution Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,25 unequal: No Solution Exploring Operation: 27+70=97, Resulting Numbers: [97] 97,25 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: 25:[12, 37, 48], Operations: ['58-10=48'] Exploring Operation: 12+37=49, Resulting Numbers: [48, 49] Generated Node #0,1,0: 25:[48, 49] Operation: 12+37=49 Exploring Operation: 48/12=4, Resulting Numbers: [37, 4] Generated Node #0,1,1: 25:[37, 4] Operation: 48/12=4 Exploring Operation: 48-37=11, Resulting Numbers: [12, 11] Generated Node #0,1,2: 25:[12, 11] Operation: 48-37=11 Exploring Operation: 48-12=36, Resulting Numbers: [37, 36] Generated Node #0,1,3: 25:[37, 36] Operation: 48-12=36 Exploring Operation: 37-12=25, Resulting Numbers: [48, 25] Generated Node #0,1,4: 25:[48, 25] Operation: 37-12=25 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[37, 4], Operations: ['58-10=48', '48/12=4'] Exploring Operation: 37+4=41, Resulting Numbers: [41] 41,25 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,25 unequal: No Solution Exploring Operation: 37*4=148, Resulting Numbers: [148] 148,25 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 #0,1,2 Current State: 25:[12, 11], Operations: ['58-10=48', '48-37=11'] Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,25 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,25 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:[37, 36], Operations: ['58-10=48', '48-12=36'] Exploring Operation: 37+36=73, Resulting Numbers: [73] 73,25 unequal: No Solution Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 37*36=1332, Resulting Numbers: [1332] 1332,25 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:[48, 25], Operations: ['58-10=48', '37-12=25'] Exploring Operation: 48*25=1200, Resulting Numbers: [1200] 1200,25 unequal: No Solution Exploring Operation: 48+25=73, Resulting Numbers: [73] 73,25 unequal: No Solution Exploring Operation: 48-25=23, Resulting Numbers: [23] 23,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[48, 49], Operations: ['58-10=48', '12+37=49'] Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 48*49=2352, Resulting Numbers: [2352] 2352,25 unequal: No Solution Exploring Operation: 48+49=97, Resulting Numbers: [97] 97,25 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
[ 28, 64, 43, 4 ]
31
[ "43-28=15", "64/4=16", "15+16=31" ]
Current State: 31:[28, 64, 43, 4], Operations: [] Exploring Operation: 43-28=15, Resulting Numbers: [64, 4, 15] Generated Node #2: [64, 4, 15] from Operation: 43-28=15 Current State: 31:[64, 4, 15], Operations: ['43-28=15'] Exploring Operation: 64/4=16, Resulting Numbers: [15, 16] Generated Node #3: [15, 16] from Operation: 64/4=16 Current State: 31:[15, 16], Operations: ['43-28=15', '64/4=16'] Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[28, 64, 43, 4], Operations: [] Exploring Operation: 64-43=21, Resulting Numbers: [28, 4, 21] Generated Node #0,0: 31:[28, 4, 21] Operation: 64-43=21 Exploring Operation: 64-28=36, Resulting Numbers: [43, 4, 36] Generated Node #0,1: 31:[43, 4, 36] Operation: 64-28=36 Exploring Operation: 64/4=16, Resulting Numbers: [28, 43, 16] Generated Node #0,2: 31:[28, 43, 16] Operation: 64/4=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[28, 43, 16], Operations: ['64/4=16'] Exploring Operation: 43-16=27, Resulting Numbers: [28, 27] Generated Node #0,2,0: 31:[28, 27] Operation: 43-16=27 Exploring Operation: 43-28=15, Resulting Numbers: [16, 15] Generated Node #0,2,1: 31:[16, 15] Operation: 43-28=15 Exploring Operation: 28+16=44, Resulting Numbers: [43, 44] Generated Node #0,2,2: 31:[43, 44] Operation: 28+16=44 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 31:[28, 27], Operations: ['64/4=16', '43-16=27'] Exploring Operation: 28+27=55, Resulting Numbers: [55] 55,31 unequal: No Solution Exploring Operation: 28*27=756, Resulting Numbers: [756] 756,31 unequal: No Solution Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 31:[43, 44], Operations: ['64/4=16', '28+16=44'] Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,31 unequal: No Solution Exploring Operation: 43*44=1892, Resulting Numbers: [1892] 1892,31 unequal: No Solution Exploring Operation: 43+44=87, Resulting Numbers: [87] 87,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 31:[16, 15], Operations: ['64/4=16', '43-28=15'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,31 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[28, 64, 43, 4], Operations: [] Exploring Operation: 64/4=16, Resulting Numbers: [28, 43, 16] Generated Node #0,2: 31:[28, 43, 16] Operation: 64/4=16 Moving to Node #0,2 Current State: 31:[28, 43, 16], Operations: ['64/4=16'] Exploring Operation: 43-28=15, Resulting Numbers: [16, 15] Generated Node #0,2,1: 31:[16, 15] Operation: 43-28=15 Moving to Node #0,2,1 Current State: 31:[16, 15], Operations: ['64/4=16', '43-28=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 22, 47, 92, 44 ]
43
[ "44/22=2", "92-47=45", "45-2=43" ]
Current State: 43:[22, 47, 92, 44], Operations: [] Exploring Operation: 44/22=2, Resulting Numbers: [47, 92, 2] Generated Node #2: [47, 92, 2] from Operation: 44/22=2 Current State: 43:[47, 92, 2], Operations: ['44/22=2'] Exploring Operation: 92-47=45, Resulting Numbers: [2, 45] Generated Node #3: [2, 45] from Operation: 92-47=45 Current State: 43:[2, 45], Operations: ['44/22=2', '92-47=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[22, 47, 92, 44], Operations: [] Exploring Operation: 92-47=45, Resulting Numbers: [22, 44, 45] Generated Node #0,0: 43:[22, 44, 45] Operation: 92-47=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[22, 44, 45], Operations: ['92-47=45'] Exploring Operation: 45-22=23, Resulting Numbers: [44, 23] Generated Node #0,0,0: 43:[44, 23] Operation: 45-22=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[44, 23], Operations: ['92-47=45', '45-22=23'] Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 50, 2, 51, 86 ]
17
[ "50+2=52", "86-51=35", "52-35=17" ]
Current State: 17:[50, 2, 51, 86], Operations: [] Exploring Operation: 50+2=52, Resulting Numbers: [51, 86, 52] Generated Node #2: [51, 86, 52] from Operation: 50+2=52 Current State: 17:[51, 86, 52], Operations: ['50+2=52'] Exploring Operation: 86-51=35, Resulting Numbers: [52, 35] Generated Node #3: [52, 35] from Operation: 86-51=35 Current State: 17:[52, 35], Operations: ['50+2=52', '86-51=35'] Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[50, 2, 51, 86], Operations: [] Exploring Operation: 86-51=35, Resulting Numbers: [50, 2, 35] Generated Node #0,0: 17:[50, 2, 35] Operation: 86-51=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[50, 2, 35], Operations: ['86-51=35'] Exploring Operation: 50-35=15, Resulting Numbers: [2, 15] Generated Node #0,0,0: 17:[2, 15] Operation: 50-35=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[2, 15], Operations: ['86-51=35', '50-35=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[50, 2, 51, 86], Operations: [] Exploring Operation: 86-51=35, Resulting Numbers: [50, 2, 35] Generated Node #0,0: 17:[50, 2, 35] Operation: 86-51=35 Moving to Node #0,0 Current State: 17:[50, 2, 35], Operations: ['86-51=35'] Exploring Operation: 50-35=15, Resulting Numbers: [2, 15] Generated Node #0,0,0: 17:[2, 15] Operation: 50-35=15 Moving to Node #0,0,0 Current State: 17:[2, 15], Operations: ['86-51=35', '50-35=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 38, 28, 98, 41 ]
47
[ "38-28=10", "98-41=57", "57-10=47" ]
Current State: 47:[38, 28, 98, 41], Operations: [] Exploring Operation: 38-28=10, Resulting Numbers: [98, 41, 10] Generated Node #2: [98, 41, 10] from Operation: 38-28=10 Current State: 47:[98, 41, 10], Operations: ['38-28=10'] Exploring Operation: 98-41=57, Resulting Numbers: [10, 57] Generated Node #3: [10, 57] from Operation: 98-41=57 Current State: 47:[10, 57], Operations: ['38-28=10', '98-41=57'] Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[38, 28, 98, 41], Operations: [] Exploring Operation: 98-38=60, Resulting Numbers: [28, 41, 60] Generated Node #0,0: 47:[28, 41, 60] Operation: 98-38=60 Exploring Operation: 98-28=70, Resulting Numbers: [38, 41, 70] Generated Node #0,1: 47:[38, 41, 70] Operation: 98-28=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[28, 41, 60], Operations: ['98-38=60'] Exploring Operation: 28+41=69, Resulting Numbers: [60, 69] Generated Node #0,0,0: 47:[60, 69] Operation: 28+41=69 Exploring Operation: 60-28=32, Resulting Numbers: [41, 32] Generated Node #0,0,1: 47:[41, 32] Operation: 60-28=32 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[41, 32], Operations: ['98-38=60', '60-28=32'] Exploring Operation: 41+32=73, Resulting Numbers: [73] 73,47 unequal: No Solution Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[60, 69], Operations: ['98-38=60', '28+41=69'] Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,47 unequal: No Solution Exploring Operation: 60+69=129, Resulting Numbers: [129] 129,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[38, 41, 70], Operations: ['98-28=70'] Exploring Operation: 70-38=32, Resulting Numbers: [41, 32] Generated Node #0,1,0: 47:[41, 32] Operation: 70-38=32 Exploring Operation: 70-41=29, Resulting Numbers: [38, 29] Generated Node #0,1,1: 47:[38, 29] Operation: 70-41=29 Moving to Node #0,1,0 Current State: 47:[41, 32], Operations: ['98-28=70', '70-38=32'] Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,47 unequal: No Solution Exploring Operation: 41+32=73, Resulting Numbers: [73] 73,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[38, 29], Operations: ['98-28=70', '70-41=29'] Exploring Operation: 38+29=67, Resulting Numbers: [67] 67,47 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,47 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
[ 10, 80, 74, 44 ]
28
[ "10+80=90", "74+44=118", "118-90=28" ]
Current State: 28:[10, 80, 74, 44], Operations: [] Exploring Operation: 10+80=90, Resulting Numbers: [74, 44, 90] Generated Node #2: [74, 44, 90] from Operation: 10+80=90 Current State: 28:[74, 44, 90], Operations: ['10+80=90'] Exploring Operation: 74+44=118, Resulting Numbers: [90, 118] Generated Node #3: [90, 118] from Operation: 74+44=118 Current State: 28:[90, 118], Operations: ['10+80=90', '74+44=118'] Exploring Operation: 118-90=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[10, 80, 74, 44], Operations: [] Exploring Operation: 80/10=8, Resulting Numbers: [74, 44, 8] Generated Node #0,0: 28:[74, 44, 8] Operation: 80/10=8 Exploring Operation: 80-74=6, Resulting Numbers: [10, 44, 6] Generated Node #0,1: 28:[10, 44, 6] Operation: 80-74=6 Exploring Operation: 74-44=30, Resulting Numbers: [10, 80, 30] Generated Node #0,2: 28:[10, 80, 30] Operation: 74-44=30 Exploring Operation: 80-44=36, Resulting Numbers: [10, 74, 36] Generated Node #0,3: 28:[10, 74, 36] Operation: 80-44=36 Moving to Node #0,1 Current State: 28:[10, 44, 6], Operations: ['80-74=6'] Exploring Operation: 44-6=38, Resulting Numbers: [10, 38] Generated Node #0,1,0: 28:[10, 38] Operation: 44-6=38 Exploring Operation: 10-6=4, Resulting Numbers: [44, 4] Generated Node #0,1,1: 28:[44, 4] Operation: 10-6=4 Exploring Operation: 10+6=16, Resulting Numbers: [44, 16] Generated Node #0,1,2: 28:[44, 16] Operation: 10+6=16 Exploring Operation: 44-10=34, Resulting Numbers: [6, 34] Generated Node #0,1,3: 28:[6, 34] Operation: 44-10=34 Moving to Node #0,3 Current State: 28:[10, 74, 36], Operations: ['80-44=36'] Exploring Operation: 10+74=84, Resulting Numbers: [36, 84] Generated Node #0,3,0: 28:[36, 84] Operation: 10+74=84 Exploring Operation: 74-10=64, Resulting Numbers: [36, 64] Generated Node #0,3,1: 28:[36, 64] Operation: 74-10=64 Exploring Operation: 36-10=26, Resulting Numbers: [74, 26] Generated Node #0,3,2: 28:[74, 26] Operation: 36-10=26 Exploring Operation: 74-36=38, Resulting Numbers: [10, 38] Generated Node #0,3,3: 28:[10, 38] Operation: 74-36=38 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 28:[10, 38], Operations: ['80-44=36', '74-36=38'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[10, 80, 74, 44], Operations: [] Exploring Operation: 80-44=36, Resulting Numbers: [10, 74, 36] Generated Node #0,3: 28:[10, 74, 36] Operation: 80-44=36 Moving to Node #0,3 Current State: 28:[10, 74, 36], Operations: ['80-44=36'] Exploring Operation: 74-36=38, Resulting Numbers: [10, 38] Generated Node #0,3,3: 28:[10, 38] Operation: 74-36=38 Moving to Node #0,3,3 Current State: 28:[10, 38], Operations: ['80-44=36', '74-36=38'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 51, 27, 78, 85 ]
33
[ "27*85=2295", "2295/51=45", "78-45=33" ]
Current State: 33:[51, 27, 78, 85], Operations: [] Exploring Operation: 27*85=2295, Resulting Numbers: [51, 78, 2295] Generated Node #2: [51, 78, 2295] from Operation: 27*85=2295 Current State: 33:[51, 78, 2295], Operations: ['27*85=2295'] Exploring Operation: 2295/51=45, Resulting Numbers: [78, 45] Generated Node #3: [78, 45] from Operation: 2295/51=45 Current State: 33:[78, 45], Operations: ['27*85=2295', '2295/51=45'] Exploring Operation: 78-45=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[51, 27, 78, 85], Operations: [] Exploring Operation: 78-51=27, Resulting Numbers: [27, 85, 27] Generated Node #0,0: 33:[27, 85, 27] Operation: 78-51=27 Exploring Operation: 85-78=7, Resulting Numbers: [51, 27, 7] Generated Node #0,1: 33:[51, 27, 7] Operation: 85-78=7 Exploring Operation: 85-51=34, Resulting Numbers: [27, 78, 34] Generated Node #0,2: 33:[27, 78, 34] Operation: 85-51=34 Exploring Operation: 78-27=51, Resulting Numbers: [51, 85, 51] Generated Node #0,3: 33:[51, 85, 51] Operation: 78-27=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[51, 27, 7], Operations: ['85-78=7'] Exploring Operation: 51-7=44, Resulting Numbers: [27, 44] Generated Node #0,1,0: 33:[27, 44] Operation: 51-7=44 Exploring Operation: 51-27=24, Resulting Numbers: [7, 24] Generated Node #0,1,1: 33:[7, 24] Operation: 51-27=24 Exploring Operation: 27-7=20, Resulting Numbers: [51, 20] Generated Node #0,1,2: 33:[51, 20] Operation: 27-7=20 Exploring Operation: 27+7=34, Resulting Numbers: [51, 34] Generated Node #0,1,3: 33:[51, 34] Operation: 27+7=34 Moving to Node #0,1,1 Current State: 33:[7, 24], Operations: ['85-78=7', '51-27=24'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[27, 44], Operations: ['85-78=7', '51-7=44'] Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 27*44=1188, Resulting Numbers: [1188] 1188,33 unequal: No Solution Moving to Node #0,1,3 Current State: 33:[51, 34], Operations: ['85-78=7', '27+7=34'] Exploring Operation: 51+34=85, Resulting Numbers: [85] 85,33 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 51*34=1734, Resulting Numbers: [1734] 1734,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[51, 20], Operations: ['85-78=7', '27-7=20'] Exploring Operation: 51-20=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 51+20=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 51*20=1020, Resulting Numbers: [1020] 1020,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[27, 78, 34], Operations: ['85-51=34'] Exploring Operation: 27+78=105, Resulting Numbers: [34, 105] Generated Node #0,2,0: 33:[34, 105] Operation: 27+78=105 Exploring Operation: 34-27=7, Resulting Numbers: [78, 7] Generated Node #0,2,1: 33:[78, 7] Operation: 34-27=7 Exploring Operation: 78-34=44, Resulting Numbers: [27, 44] Generated Node #0,2,2: 33:[27, 44] Operation: 78-34=44 Exploring Operation: 78-27=51, Resulting Numbers: [34, 51] Generated Node #0,2,3: 33:[34, 51] Operation: 78-27=51 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 33:[27, 44], Operations: ['85-51=34', '78-34=44'] Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 27*44=1188, Resulting Numbers: [1188] 1188,33 unequal: No Solution No 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: 33:[34, 51], Operations: ['85-51=34', '78-27=51'] Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,33 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 34*51=1734, Resulting Numbers: [1734] 1734,33 unequal: No Solution No 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: 33:[78, 7], Operations: ['85-51=34', '34-27=7'] Exploring Operation: 78*7=546, Resulting Numbers: [546] 546,33 unequal: No Solution Exploring Operation: 78+7=85, Resulting Numbers: [85] 85,33 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,33 unequal: No Solution No 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: 33:[34, 105], Operations: ['85-51=34', '27+78=105'] Exploring Operation: 34+105=139, Resulting Numbers: [139] 139,33 unequal: No Solution Exploring Operation: 105-34=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 34*105=3570, Resulting Numbers: [3570] 3570,33 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: 33:[27, 85, 27], Operations: ['78-51=27'] Exploring Operation: 85-27=58, Resulting Numbers: [27, 58] Generated Node #0,0,0: 33:[27, 58] Operation: 85-27=58 Exploring Operation: 27-27=0, Resulting Numbers: [85, 0] Generated Node #0,0,1: 33:[85, 0] Operation: 27-27=0 Exploring Operation: 27/27=1, Resulting Numbers: [85, 1] Generated Node #0,0,2: 33:[85, 1] Operation: 27/27=1 Exploring Operation: 85-27=58, Resulting Numbers: [27, 58] Generated Node #0,0,3: 33:[27, 58] Operation: 85-27=58 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[27, 58], Operations: ['78-51=27', '85-27=58'] Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 27+58=85, Resulting Numbers: [85] 85,33 unequal: No Solution Exploring Operation: 27*58=1566, Resulting Numbers: [1566] 1566,33 unequal: No Solution No 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: 33:[27, 58], Operations: ['78-51=27', '85-27=58'] Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 27*58=1566, Resulting Numbers: [1566] 1566,33 unequal: No Solution Exploring Operation: 27+58=85, Resulting Numbers: [85] 85,33 unequal: No Solution No 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: 33:[85, 1], Operations: ['78-51=27', '27/27=1'] Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,33 unequal: No Solution Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,33 unequal: No Solution Exploring Operation: 85*1=85, Resulting Numbers: [85] 85,33 unequal: No Solution Exploring Operation: 85/1=85, Resulting Numbers: [85] 85,33 unequal: No Solution No 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: 33:[85, 0], Operations: ['78-51=27', '27-27=0'] Exploring Operation: 85*0=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 85+0=85, Resulting Numbers: [85] 85,33 unequal: No Solution Exploring Operation: 85-0=85, Resulting Numbers: [85] 85,33 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: 33:[51, 85, 51], Operations: ['78-27=51'] Exploring Operation: 85-51=34, Resulting Numbers: [51, 34] Generated Node #0,3,0: 33:[51, 34] Operation: 85-51=34 Exploring Operation: 51/51=1, Resulting Numbers: [85, 1] Generated Node #0,3,1: 33:[85, 1] Operation: 51/51=1 Exploring Operation: 85-51=34, Resulting Numbers: [51, 34] Generated Node #0,3,2: 33:[51, 34] Operation: 85-51=34 Exploring Operation: 51-51=0, Resulting Numbers: [85, 0] Generated Node #0,3,3: 33:[85, 0] Operation: 51-51=0 Moving to Node #0,3,0 Current State: 33:[51, 34], Operations: ['78-27=51', '85-51=34'] Exploring Operation: 51*34=1734, Resulting Numbers: [1734] 1734,33 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 51+34=85, Resulting Numbers: [85] 85,33 unequal: No Solution Moving to Node #0,3,2 Current State: 33:[51, 34], Operations: ['78-27=51', '85-51=34'] Exploring Operation: 51+34=85, Resulting Numbers: [85] 85,33 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 51*34=1734, Resulting Numbers: [1734] 1734,33 unequal: No Solution Moving to Node #0,3,1 Current State: 33:[85, 1], Operations: ['78-27=51', '51/51=1'] Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,33 unequal: No Solution Exploring Operation: 85*1=85, Resulting Numbers: [85] 85,33 unequal: No Solution Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,33 unequal: No Solution Exploring Operation: 85/1=85, Resulting Numbers: [85] 85,33 unequal: No Solution Moving to Node #0,3,3 Current State: 33:[85, 0], Operations: ['78-27=51', '51-51=0'] Exploring Operation: 85*0=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 85-0=85, Resulting Numbers: [85] 85,33 unequal: No Solution Exploring Operation: 85+0=85, Resulting Numbers: [85] 85,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 69, 89, 5, 90 ]
22
[ "89-69=20", "90+20=110", "110/5=22" ]
Current State: 22:[69, 89, 5, 90], Operations: [] Exploring Operation: 89-69=20, Resulting Numbers: [5, 90, 20] Generated Node #2: [5, 90, 20] from Operation: 89-69=20 Current State: 22:[5, 90, 20], Operations: ['89-69=20'] Exploring Operation: 90+20=110, Resulting Numbers: [5, 110] Generated Node #3: [5, 110] from Operation: 90+20=110 Current State: 22:[5, 110], Operations: ['89-69=20', '90+20=110'] Exploring Operation: 110/5=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[69, 89, 5, 90], Operations: [] Exploring Operation: 90-89=1, Resulting Numbers: [69, 5, 1] Generated Node #0,0: 22:[69, 5, 1] Operation: 90-89=1 Moving to Node #0,0 Current State: 22:[69, 5, 1], Operations: ['90-89=1'] Exploring Operation: 69-5=64, Resulting Numbers: [1, 64] Generated Node #0,0,0: 22:[1, 64] Operation: 69-5=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[1, 64], Operations: ['90-89=1', '69-5=64'] Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,22 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
[ 95, 18, 87, 87 ]
95
[ "87-87=0", "18*0=0", "95+0=95" ]
Current State: 95:[95, 18, 87, 87], Operations: [] Exploring Operation: 87-87=0, Resulting Numbers: [95, 18, 0] Generated Node #2: [95, 18, 0] from Operation: 87-87=0 Current State: 95:[95, 18, 0], Operations: ['87-87=0'] Exploring Operation: 18*0=0, Resulting Numbers: [95, 0] Generated Node #3: [95, 0] from Operation: 18*0=0 Current State: 95:[95, 0], Operations: ['87-87=0', '18*0=0'] Exploring Operation: 95+0=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[95, 18, 87, 87], Operations: [] Exploring Operation: 87/87=1, Resulting Numbers: [95, 18, 1] Generated Node #0,0: 95:[95, 18, 1] Operation: 87/87=1 Moving to Node #0,0 Current State: 95:[95, 18, 1], Operations: ['87/87=1'] Exploring Operation: 18+1=19, Resulting Numbers: [95, 19] Generated Node #0,0,0: 95:[95, 19] Operation: 18+1=19 Moving to Node #0,0,0 Current State: 95:[95, 19], Operations: ['87/87=1', '18+1=19'] Exploring Operation: 95/19=5, Resulting Numbers: [5] 5,95 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 50, 4, 54, 60 ]
16
[ "54-50=4", "4+60=64", "64/4=16" ]
Current State: 16:[50, 4, 54, 60], Operations: [] Exploring Operation: 54-50=4, Resulting Numbers: [4, 60, 4] Generated Node #2: [4, 60, 4] from Operation: 54-50=4 Current State: 16:[4, 60, 4], Operations: ['54-50=4'] Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,16 equal: Goal Reached Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[50, 4, 54, 60], Operations: [] Exploring Operation: 60-50=10, Resulting Numbers: [4, 54, 10] Generated Node #0,0: 16:[4, 54, 10] Operation: 60-50=10 Exploring Operation: 60/4=15, Resulting Numbers: [50, 54, 15] Generated Node #0,1: 16:[50, 54, 15] Operation: 60/4=15 Exploring Operation: 54-50=4, Resulting Numbers: [4, 60, 4] Generated Node #0,2: 16:[4, 60, 4] Operation: 54-50=4 Exploring Operation: 60-54=6, Resulting Numbers: [50, 4, 6] Generated Node #0,3: 16:[50, 4, 6] Operation: 60-54=6 Moving to Node #0,3 Current State: 16:[50, 4, 6], Operations: ['60-54=6'] Exploring Operation: 50-6=44, Resulting Numbers: [4, 44] Generated Node #0,3,0: 16:[4, 44] Operation: 50-6=44 Exploring Operation: 50-4=46, Resulting Numbers: [6, 46] Generated Node #0,3,1: 16:[6, 46] Operation: 50-4=46 Exploring Operation: 4+6=10, Resulting Numbers: [50, 10] Generated Node #0,3,2: 16:[50, 10] Operation: 4+6=10 Exploring Operation: 6-4=2, Resulting Numbers: [50, 2] Generated Node #0,3,3: 16:[50, 2] Operation: 6-4=2 Moving to Node #0,0 Current State: 16:[4, 54, 10], Operations: ['60-50=10'] Exploring Operation: 4+10=14, Resulting Numbers: [54, 14] Generated Node #0,0,0: 16:[54, 14] Operation: 4+10=14 Exploring Operation: 10-4=6, Resulting Numbers: [54, 6] Generated Node #0,0,1: 16:[54, 6] Operation: 10-4=6 Exploring Operation: 54-10=44, Resulting Numbers: [4, 44] Generated Node #0,0,2: 16:[4, 44] Operation: 54-10=44 Exploring Operation: 54-4=50, Resulting Numbers: [10, 50] Generated Node #0,0,3: 16:[10, 50] Operation: 54-4=50 Moving to Node #0,2 Current State: 16:[4, 60, 4], Operations: ['54-50=4'] Exploring Operation: 60-4=56, Resulting Numbers: [4, 56] Generated Node #0,2,0: 16:[4, 56] Operation: 60-4=56 Exploring Operation: 60-4=56, Resulting Numbers: [4, 56] Generated Node #0,2,1: 16:[4, 56] Operation: 60-4=56 Exploring Operation: 60/4=15, Resulting Numbers: [4, 15] Generated Node #0,2,2: 16:[4, 15] Operation: 60/4=15 Exploring Operation: 60/4=15, Resulting Numbers: [4, 15] Generated Node #0,2,3: 16:[4, 15] Operation: 60/4=15 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 16:[4, 15], Operations: ['54-50=4', '60/4=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 16:[4, 15], Operations: ['54-50=4', '60/4=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[4, 56], Operations: ['54-50=4', '60-4=56'] Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 4*56=224, Resulting Numbers: [224] 224,16 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,16 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 16:[4, 56], Operations: ['54-50=4', '60-4=56'] Exploring Operation: 4*56=224, Resulting Numbers: [224] 224,16 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,16 unequal: No Solution Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 16:[50, 54, 15], Operations: ['60/4=15'] Exploring Operation: 54-50=4, Resulting Numbers: [15, 4] Generated Node #0,1,0: 16:[15, 4] Operation: 54-50=4 Exploring Operation: 50-15=35, Resulting Numbers: [54, 35] Generated Node #0,1,1: 16:[54, 35] Operation: 50-15=35 Exploring Operation: 50+15=65, Resulting Numbers: [54, 65] Generated Node #0,1,2: 16:[54, 65] Operation: 50+15=65 Exploring Operation: 54-15=39, Resulting Numbers: [50, 39] Generated Node #0,1,3: 16:[50, 39] Operation: 54-15=39 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[15, 4], Operations: ['60/4=15', '54-50=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[54, 35], Operations: ['60/4=15', '50-15=35'] Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 54+35=89, Resulting Numbers: [89] 89,16 unequal: No Solution Exploring Operation: 54*35=1890, Resulting Numbers: [1890] 1890,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 16:[50, 39], Operations: ['60/4=15', '54-15=39'] Exploring Operation: 50+39=89, Resulting Numbers: [89] 89,16 unequal: No Solution Exploring Operation: 50*39=1950, Resulting Numbers: [1950] 1950,16 unequal: No Solution Exploring Operation: 50-39=11, Resulting Numbers: [11] 11,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[54, 65], Operations: ['60/4=15', '50+15=65'] Exploring Operation: 54*65=3510, Resulting Numbers: [3510] 3510,16 unequal: No Solution Exploring Operation: 65-54=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 54+65=119, Resulting Numbers: [119] 119,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 16:[4, 44], Operations: ['60-54=6', '50-6=44'] Exploring Operation: 4+44=48, Resulting Numbers: [48] 48,16 unequal: No Solution Exploring Operation: 4*44=176, Resulting Numbers: [176] 176,16 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[4, 44], Operations: ['60-50=10', '54-10=44'] Exploring Operation: 4*44=176, Resulting Numbers: [176] 176,16 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 4+44=48, Resulting Numbers: [48] 48,16 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[6, 46], Operations: ['60-54=6', '50-4=46'] Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,16 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[50, 2], Operations: ['60-54=6', '6-4=2'] Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,16 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,16 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[10, 50], Operations: ['60-50=10', '54-4=50'] Exploring Operation: 10*50=500, Resulting Numbers: [500] 500,16 unequal: No Solution Exploring Operation: 10+50=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[50, 10], Operations: ['60-54=6', '4+6=10'] Exploring Operation: 50*10=500, Resulting Numbers: [500] 500,16 unequal: No Solution Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 50+10=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[54, 14], Operations: ['60-50=10', '4+10=14'] Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 54*14=756, Resulting Numbers: [756] 756,16 unequal: No Solution Exploring Operation: 54+14=68, Resulting Numbers: [68] 68,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[54, 6], Operations: ['60-50=10', '10-4=6'] Exploring Operation: 54*6=324, Resulting Numbers: [324] 324,16 unequal: No Solution Exploring Operation: 54+6=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,16 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 42, 84, 28, 62 ]
48
[ "84-42=42", "28+62=90", "90-42=48" ]
Current State: 48:[42, 84, 28, 62], Operations: [] Exploring Operation: 84-42=42, Resulting Numbers: [28, 62, 42] Generated Node #2: [28, 62, 42] from Operation: 84-42=42 Current State: 48:[28, 62, 42], Operations: ['84-42=42'] Exploring Operation: 28+62=90, Resulting Numbers: [42, 90] Generated Node #3: [42, 90] from Operation: 28+62=90 Current State: 48:[42, 90], Operations: ['84-42=42', '28+62=90'] Exploring Operation: 90-42=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[42, 84, 28, 62], Operations: [] Exploring Operation: 84-42=42, Resulting Numbers: [28, 62, 42] Generated Node #0,0: 48:[28, 62, 42] Operation: 84-42=42 Exploring Operation: 84-28=56, Resulting Numbers: [42, 62, 56] Generated Node #0,1: 48:[42, 62, 56] Operation: 84-28=56 Exploring Operation: 84-62=22, Resulting Numbers: [42, 28, 22] Generated Node #0,2: 48:[42, 28, 22] Operation: 84-62=22 Exploring Operation: 84/42=2, Resulting Numbers: [28, 62, 2] Generated Node #0,3: 48:[28, 62, 2] Operation: 84/42=2 Exploring Operation: 84/28=3, Resulting Numbers: [42, 62, 3] Generated Node #0,4: 48:[42, 62, 3] Operation: 84/28=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[42, 28, 22], Operations: ['84-62=22'] Exploring Operation: 42-28=14, Resulting Numbers: [22, 14] Generated Node #0,2,0: 48:[22, 14] Operation: 42-28=14 Exploring Operation: 28+22=50, Resulting Numbers: [42, 50] Generated Node #0,2,1: 48:[42, 50] Operation: 28+22=50 Exploring Operation: 42+22=64, Resulting Numbers: [28, 64] Generated Node #0,2,2: 48:[28, 64] Operation: 42+22=64 Exploring Operation: 28-22=6, Resulting Numbers: [42, 6] Generated Node #0,2,3: 48:[42, 6] Operation: 28-22=6 Exploring Operation: 42-22=20, Resulting Numbers: [28, 20] Generated Node #0,2,4: 48:[28, 20] Operation: 42-22=20 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 48:[22, 14], Operations: ['84-62=22', '42-28=14'] Exploring Operation: 22*14=308, Resulting Numbers: [308] 308,48 unequal: No Solution Exploring Operation: 22+14=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,48 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 #0,2,3 Current State: 48:[42, 6], Operations: ['84-62=22', '28-22=6'] Exploring Operation: 42*6=252, Resulting Numbers: [252] 252,48 unequal: No Solution Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[42, 84, 28, 62], Operations: [] Exploring Operation: 84-62=22, Resulting Numbers: [42, 28, 22] Generated Node #0,2: 48:[42, 28, 22] Operation: 84-62=22 Moving to Node #0,2 Current State: 48:[42, 28, 22], Operations: ['84-62=22'] Exploring Operation: 28-22=6, Resulting Numbers: [42, 6] Generated Node #0,2,3: 48:[42, 6] Operation: 28-22=6 Moving to Node #0,2,3 Current State: 48:[42, 6], Operations: ['84-62=22', '28-22=6'] Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 13, 19, 42, 75 ]
27
[ "19-13=6", "75-42=33", "33-6=27" ]
Current State: 27:[13, 19, 42, 75], Operations: [] Exploring Operation: 19-13=6, Resulting Numbers: [42, 75, 6] Generated Node #2: [42, 75, 6] from Operation: 19-13=6 Current State: 27:[42, 75, 6], Operations: ['19-13=6'] Exploring Operation: 75-42=33, Resulting Numbers: [6, 33] Generated Node #3: [6, 33] from Operation: 75-42=33 Current State: 27:[6, 33], Operations: ['19-13=6', '75-42=33'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[13, 19, 42, 75], Operations: [] Exploring Operation: 75-42=33, Resulting Numbers: [13, 19, 33] Generated Node #0,0: 27:[13, 19, 33] Operation: 75-42=33 Moving to Node #0,0 Current State: 27:[13, 19, 33], Operations: ['75-42=33'] Exploring Operation: 19-13=6, Resulting Numbers: [33, 6] Generated Node #0,0,0: 27:[33, 6] Operation: 19-13=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[33, 6], Operations: ['75-42=33', '19-13=6'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[13, 19, 42, 75], Operations: [] Exploring Operation: 75-42=33, Resulting Numbers: [13, 19, 33] Generated Node #0,0: 27:[13, 19, 33] Operation: 75-42=33 Moving to Node #0,0 Current State: 27:[13, 19, 33], Operations: ['75-42=33'] Exploring Operation: 19-13=6, Resulting Numbers: [33, 6] Generated Node #0,0,0: 27:[33, 6] Operation: 19-13=6 Moving to Node #0,0,0 Current State: 27:[33, 6], Operations: ['75-42=33', '19-13=6'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 17, 30, 3, 59 ]
36
[ "17+30=47", "59-47=12", "3*12=36" ]
Current State: 36:[17, 30, 3, 59], Operations: [] Exploring Operation: 17+30=47, Resulting Numbers: [3, 59, 47] Generated Node #2: [3, 59, 47] from Operation: 17+30=47 Current State: 36:[3, 59, 47], Operations: ['17+30=47'] Exploring Operation: 59-47=12, Resulting Numbers: [3, 12] Generated Node #3: [3, 12] from Operation: 59-47=12 Current State: 36:[3, 12], Operations: ['17+30=47', '59-47=12'] Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[17, 30, 3, 59], Operations: [] Exploring Operation: 59-17=42, Resulting Numbers: [30, 3, 42] Generated Node #0,0: 36:[30, 3, 42] Operation: 59-17=42 Exploring Operation: 30-17=13, Resulting Numbers: [3, 59, 13] Generated Node #0,1: 36:[3, 59, 13] Operation: 30-17=13 Exploring Operation: 59-30=29, Resulting Numbers: [17, 3, 29] Generated Node #0,2: 36:[17, 3, 29] Operation: 59-30=29 Moving to Node #0,2 Current State: 36:[17, 3, 29], Operations: ['59-30=29'] Exploring Operation: 29-17=12, Resulting Numbers: [3, 12] Generated Node #0,2,0: 36:[3, 12] Operation: 29-17=12 Exploring Operation: 3+29=32, Resulting Numbers: [17, 32] Generated Node #0,2,1: 36:[17, 32] Operation: 3+29=32 Exploring Operation: 17+3=20, Resulting Numbers: [29, 20] Generated Node #0,2,2: 36:[29, 20] Operation: 17+3=20 Moving to Node #0,0 Current State: 36:[30, 3, 42], Operations: ['59-17=42'] Exploring Operation: 30/3=10, Resulting Numbers: [42, 10] Generated Node #0,0,0: 36:[42, 10] Operation: 30/3=10 Exploring Operation: 42-30=12, Resulting Numbers: [3, 12] Generated Node #0,0,1: 36:[3, 12] Operation: 42-30=12 Exploring Operation: 42/3=14, Resulting Numbers: [30, 14] Generated Node #0,0,2: 36:[30, 14] Operation: 42/3=14 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[3, 12], Operations: ['59-17=42', '42-30=12'] Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,36 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[17, 30, 3, 59], Operations: [] Exploring Operation: 59-17=42, Resulting Numbers: [30, 3, 42] Generated Node #0,0: 36:[30, 3, 42] Operation: 59-17=42 Moving to Node #0,0 Current State: 36:[30, 3, 42], Operations: ['59-17=42'] Exploring Operation: 42-30=12, Resulting Numbers: [3, 12] Generated Node #0,0,1: 36:[3, 12] Operation: 42-30=12 Moving to Node #0,0,1 Current State: 36:[3, 12], Operations: ['59-17=42', '42-30=12'] Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 21, 29, 7, 41 ]
36
[ "21/7=3", "41-29=12", "3*12=36" ]
Current State: 36:[21, 29, 7, 41], Operations: [] Exploring Operation: 21/7=3, Resulting Numbers: [29, 41, 3] Generated Node #2: [29, 41, 3] from Operation: 21/7=3 Current State: 36:[29, 41, 3], Operations: ['21/7=3'] Exploring Operation: 41-29=12, Resulting Numbers: [3, 12] Generated Node #3: [3, 12] from Operation: 41-29=12 Current State: 36:[3, 12], Operations: ['21/7=3', '41-29=12'] Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[21, 29, 7, 41], Operations: [] Exploring Operation: 29-21=8, Resulting Numbers: [7, 41, 8] Generated Node #0,0: 36:[7, 41, 8] Operation: 29-21=8 Exploring Operation: 41-21=20, Resulting Numbers: [29, 7, 20] Generated Node #0,1: 36:[29, 7, 20] Operation: 41-21=20 Exploring Operation: 41-29=12, Resulting Numbers: [21, 7, 12] Generated Node #0,2: 36:[21, 7, 12] Operation: 41-29=12 Exploring Operation: 21/7=3, Resulting Numbers: [29, 41, 3] Generated Node #0,3: 36:[29, 41, 3] Operation: 21/7=3 Exploring Operation: 29+7=36, Resulting Numbers: [21, 41, 36] Generated Node #0,4: 36:[21, 41, 36] Operation: 29+7=36 Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[21, 7, 12], Operations: ['41-29=12'] Exploring Operation: 7+12=19, Resulting Numbers: [21, 19] Generated Node #0,2,0: 36:[21, 19] Operation: 7+12=19 Exploring Operation: 21/7=3, Resulting Numbers: [12, 3] Generated Node #0,2,1: 36:[12, 3] Operation: 21/7=3 Exploring Operation: 21+12=33, Resulting Numbers: [7, 33] Generated Node #0,2,2: 36:[7, 33] Operation: 21+12=33 Exploring Operation: 21-12=9, Resulting Numbers: [7, 9] Generated Node #0,2,3: 36:[7, 9] Operation: 21-12=9 Exploring Operation: 21-7=14, Resulting Numbers: [12, 14] Generated Node #0,2,4: 36:[12, 14] Operation: 21-7=14 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 36:[12, 3], Operations: ['41-29=12', '21/7=3'] Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[21, 29, 7, 41], Operations: [] Exploring Operation: 41-29=12, Resulting Numbers: [21, 7, 12] Generated Node #0,2: 36:[21, 7, 12] Operation: 41-29=12 Moving to Node #0,2 Current State: 36:[21, 7, 12], Operations: ['41-29=12'] Exploring Operation: 21/7=3, Resulting Numbers: [12, 3] Generated Node #0,2,1: 36:[12, 3] Operation: 21/7=3 Moving to Node #0,2,1 Current State: 36:[12, 3], Operations: ['41-29=12', '21/7=3'] Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 39, 48, 10, 11 ]
43
[ "39+11=50", "50/10=5", "48-5=43" ]
Current State: 43:[39, 48, 10, 11], Operations: [] Exploring Operation: 39+11=50, Resulting Numbers: [48, 10, 50] Generated Node #2: [48, 10, 50] from Operation: 39+11=50 Current State: 43:[48, 10, 50], Operations: ['39+11=50'] Exploring Operation: 50/10=5, Resulting Numbers: [48, 5] Generated Node #3: [48, 5] from Operation: 50/10=5 Current State: 43:[48, 5], Operations: ['39+11=50', '50/10=5'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[39, 48, 10, 11], Operations: [] Exploring Operation: 39+10=49, Resulting Numbers: [48, 11, 49] Generated Node #0,0: 43:[48, 11, 49] Operation: 39+10=49 Exploring Operation: 48-10=38, Resulting Numbers: [39, 11, 38] Generated Node #0,1: 43:[39, 11, 38] Operation: 48-10=38 Exploring Operation: 39+11=50, Resulting Numbers: [48, 10, 50] Generated Node #0,2: 43:[48, 10, 50] Operation: 39+11=50 Exploring Operation: 10+11=21, Resulting Numbers: [39, 48, 21] Generated Node #0,3: 43:[39, 48, 21] Operation: 10+11=21 Exploring Operation: 48-11=37, Resulting Numbers: [39, 10, 37] Generated Node #0,4: 43:[39, 10, 37] Operation: 48-11=37 Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[39, 48, 21], Operations: ['10+11=21'] Exploring Operation: 48-39=9, Resulting Numbers: [21, 9] Generated Node #0,3,0: 43:[21, 9] Operation: 48-39=9 Exploring Operation: 48+21=69, Resulting Numbers: [39, 69] Generated Node #0,3,1: 43:[39, 69] Operation: 48+21=69 Exploring Operation: 48-21=27, Resulting Numbers: [39, 27] Generated Node #0,3,2: 43:[39, 27] Operation: 48-21=27 Exploring Operation: 39+21=60, Resulting Numbers: [48, 60] Generated Node #0,3,3: 43:[48, 60] Operation: 39+21=60 Exploring Operation: 39-21=18, Resulting Numbers: [48, 18] Generated Node #0,3,4: 43:[48, 18] Operation: 39-21=18 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 43:[39, 27], Operations: ['10+11=21', '48-21=27'] Exploring Operation: 39*27=1053, Resulting Numbers: [1053] 1053,43 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 39+27=66, Resulting Numbers: [66] 66,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 43:[48, 60], Operations: ['10+11=21', '39+21=60'] Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 48+60=108, Resulting Numbers: [108] 108,43 unequal: No Solution Exploring Operation: 48*60=2880, Resulting Numbers: [2880] 2880,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[39, 69], Operations: ['10+11=21', '48+21=69'] Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,43 unequal: No Solution Exploring Operation: 39*69=2691, Resulting Numbers: [2691] 2691,43 unequal: No Solution Exploring Operation: 39+69=108, Resulting Numbers: [108] 108,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 43:[48, 18], Operations: ['10+11=21', '39-21=18'] Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,43 unequal: No Solution Exploring Operation: 48+18=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 48*18=864, Resulting Numbers: [864] 864,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[21, 9], Operations: ['10+11=21', '48-39=9'] Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,43 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[39, 11, 38], Operations: ['48-10=38'] Exploring Operation: 38-11=27, Resulting Numbers: [39, 27] Generated Node #0,1,0: 43:[39, 27] Operation: 38-11=27 Exploring Operation: 39-11=28, Resulting Numbers: [38, 28] Generated Node #0,1,1: 43:[38, 28] Operation: 39-11=28 Exploring Operation: 39+38=77, Resulting Numbers: [11, 77] Generated Node #0,1,2: 43:[11, 77] Operation: 39+38=77 Exploring Operation: 11+38=49, Resulting Numbers: [39, 49] Generated Node #0,1,3: 43:[39, 49] Operation: 11+38=49 Exploring Operation: 39+11=50, Resulting Numbers: [38, 50] Generated Node #0,1,4: 43:[38, 50] Operation: 39+11=50 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 43:[39, 49], Operations: ['48-10=38', '11+38=49'] Exploring Operation: 39*49=1911, Resulting Numbers: [1911] 1911,43 unequal: No Solution Exploring Operation: 39+49=88, Resulting Numbers: [88] 88,43 unequal: No Solution Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 43:[38, 50], Operations: ['48-10=38', '39+11=50'] Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 38+50=88, Resulting Numbers: [88] 88,43 unequal: No Solution Exploring Operation: 38*50=1900, Resulting Numbers: [1900] 1900,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[39, 27], Operations: ['48-10=38', '38-11=27'] Exploring Operation: 39+27=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 39*27=1053, Resulting Numbers: [1053] 1053,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[38, 28], Operations: ['48-10=38', '39-11=28'] Exploring Operation: 38+28=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 38*28=1064, Resulting Numbers: [1064] 1064,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[11, 77], Operations: ['48-10=38', '39+38=77'] Exploring Operation: 77/11=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 11+77=88, Resulting Numbers: [88] 88,43 unequal: No Solution Exploring Operation: 11*77=847, Resulting Numbers: [847] 847,43 unequal: No Solution Exploring Operation: 77-11=66, Resulting Numbers: [66] 66,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[48, 11, 49], Operations: ['39+10=49'] Exploring Operation: 49-48=1, Resulting Numbers: [11, 1] Generated Node #0,0,0: 43:[11, 1] Operation: 49-48=1 Exploring Operation: 11+49=60, Resulting Numbers: [48, 60] Generated Node #0,0,1: 43:[48, 60] Operation: 11+49=60 Exploring Operation: 49-11=38, Resulting Numbers: [48, 38] Generated Node #0,0,2: 43:[48, 38] Operation: 49-11=38 Exploring Operation: 48-11=37, Resulting Numbers: [49, 37] Generated Node #0,0,3: 43:[49, 37] Operation: 48-11=37 Exploring Operation: 48+11=59, Resulting Numbers: [49, 59] Generated Node #0,0,4: 43:[49, 59] Operation: 48+11=59 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[48, 38], Operations: ['39+10=49', '49-11=38'] Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[49, 37], Operations: ['39+10=49', '48-11=37'] Exploring Operation: 49*37=1813, Resulting Numbers: [1813] 1813,43 unequal: No Solution Exploring Operation: 49+37=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[48, 60], Operations: ['39+10=49', '11+49=60'] Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 48*60=2880, Resulting Numbers: [2880] 2880,43 unequal: No Solution Exploring Operation: 48+60=108, Resulting Numbers: [108] 108,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 43:[49, 59], Operations: ['39+10=49', '48+11=59'] Exploring Operation: 49+59=108, Resulting Numbers: [108] 108,43 unequal: No Solution Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 49*59=2891, Resulting Numbers: [2891] 2891,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[11, 1], Operations: ['39+10=49', '49-48=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 43:[39, 10, 37], Operations: ['48-11=37'] Exploring Operation: 39+37=76, Resulting Numbers: [10, 76] Generated Node #0,4,0: 43:[10, 76] Operation: 39+37=76 Exploring Operation: 39-10=29, Resulting Numbers: [37, 29] Generated Node #0,4,1: 43:[37, 29] Operation: 39-10=29 Exploring Operation: 39+10=49, Resulting Numbers: [37, 49] Generated Node #0,4,2: 43:[37, 49] Operation: 39+10=49 Exploring Operation: 37-10=27, Resulting Numbers: [39, 27] Generated Node #0,4,3: 43:[39, 27] Operation: 37-10=27 Exploring Operation: 10+37=47, Resulting Numbers: [39, 47] Generated Node #0,4,4: 43:[39, 47] Operation: 10+37=47 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 43:[39, 47], Operations: ['48-11=37', '10+37=47'] Exploring Operation: 39*47=1833, Resulting Numbers: [1833] 1833,43 unequal: No Solution Exploring Operation: 47-39=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 39+47=86, Resulting Numbers: [86] 86,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 43:[37, 49], Operations: ['48-11=37', '39+10=49'] Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 37*49=1813, Resulting Numbers: [1813] 1813,43 unequal: No Solution Exploring Operation: 37+49=86, Resulting Numbers: [86] 86,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 43:[37, 29], Operations: ['48-11=37', '39-10=29'] Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,43 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 43:[39, 27], Operations: ['48-11=37', '37-10=27'] Exploring Operation: 39*27=1053, Resulting Numbers: [1053] 1053,43 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 39+27=66, Resulting Numbers: [66] 66,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 43:[10, 76], Operations: ['48-11=37', '39+37=76'] Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,43 unequal: No Solution Exploring Operation: 10+76=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 10*76=760, Resulting Numbers: [760] 760,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[48, 10, 50], Operations: ['39+11=50'] Exploring Operation: 48+10=58, Resulting Numbers: [50, 58] Generated Node #0,2,0: 43:[50, 58] Operation: 48+10=58 Exploring Operation: 50/10=5, Resulting Numbers: [48, 5] Generated Node #0,2,1: 43:[48, 5] Operation: 50/10=5 Exploring Operation: 48-10=38, Resulting Numbers: [50, 38] Generated Node #0,2,2: 43:[50, 38] Operation: 48-10=38 Exploring Operation: 10+50=60, Resulting Numbers: [48, 60] Generated Node #0,2,3: 43:[48, 60] Operation: 10+50=60 Exploring Operation: 50-10=40, Resulting Numbers: [48, 40] Generated Node #0,2,4: 43:[48, 40] Operation: 50-10=40 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 43:[48, 40], Operations: ['39+11=50', '50-10=40'] Exploring Operation: 48-40=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 48+40=88, Resulting Numbers: [88] 88,43 unequal: No Solution Exploring Operation: 48*40=1920, Resulting Numbers: [1920] 1920,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[50, 38], Operations: ['39+11=50', '48-10=38'] Exploring Operation: 50*38=1900, Resulting Numbers: [1900] 1900,43 unequal: No Solution Exploring Operation: 50+38=88, Resulting Numbers: [88] 88,43 unequal: No Solution Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[50, 58], Operations: ['39+11=50', '48+10=58'] Exploring Operation: 50*58=2900, Resulting Numbers: [2900] 2900,43 unequal: No Solution Exploring Operation: 50+58=108, Resulting Numbers: [108] 108,43 unequal: No Solution Exploring Operation: 58-50=8, Resulting Numbers: [8] 8,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 43:[48, 60], Operations: ['39+11=50', '10+50=60'] Exploring Operation: 48+60=108, Resulting Numbers: [108] 108,43 unequal: No Solution Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 48*60=2880, Resulting Numbers: [2880] 2880,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[48, 5], Operations: ['39+11=50', '50/10=5'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[39, 48, 10, 11], Operations: [] Exploring Operation: 39+11=50, Resulting Numbers: [48, 10, 50] Generated Node #0,2: 43:[48, 10, 50] Operation: 39+11=50 Moving to Node #0,2 Current State: 43:[48, 10, 50], Operations: ['39+11=50'] Exploring Operation: 50/10=5, Resulting Numbers: [48, 5] Generated Node #0,2,1: 43:[48, 5] Operation: 50/10=5 Moving to Node #0,2,1 Current State: 43:[48, 5], Operations: ['39+11=50', '50/10=5'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.905382
hs_5
mult_heuristic
[ 4, 31, 56, 63 ]
64
[ "63-31=32", "32/4=8", "56+8=64" ]
Current State: 64:[4, 31, 56, 63], Operations: [] Exploring Operation: 63-31=32, Resulting Numbers: [4, 56, 32] Generated Node #2: [4, 56, 32] from Operation: 63-31=32 Current State: 64:[4, 56, 32], Operations: ['63-31=32'] Exploring Operation: 32/4=8, Resulting Numbers: [56, 8] Generated Node #3: [56, 8] from Operation: 32/4=8 Current State: 64:[56, 8], Operations: ['63-31=32', '32/4=8'] Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[4, 31, 56, 63], Operations: [] Exploring Operation: 4+56=60, Resulting Numbers: [31, 63, 60] Generated Node #0,0: 64:[31, 63, 60] Operation: 4+56=60 Exploring Operation: 56/4=14, Resulting Numbers: [31, 63, 14] Generated Node #0,1: 64:[31, 63, 14] Operation: 56/4=14 Exploring Operation: 63-56=7, Resulting Numbers: [4, 31, 7] Generated Node #0,2: 64:[4, 31, 7] Operation: 63-56=7 Moving to Node #0,2 Current State: 64:[4, 31, 7], Operations: ['63-56=7'] Exploring Operation: 7-4=3, Resulting Numbers: [31, 3] Generated Node #0,2,0: 64:[31, 3] Operation: 7-4=3 Exploring Operation: 4+7=11, Resulting Numbers: [31, 11] Generated Node #0,2,1: 64:[31, 11] Operation: 4+7=11 Exploring Operation: 4+31=35, Resulting Numbers: [7, 35] Generated Node #0,2,2: 64:[7, 35] Operation: 4+31=35 Moving to Node #0,1 Current State: 64:[31, 63, 14], Operations: ['56/4=14'] Exploring Operation: 31-14=17, Resulting Numbers: [63, 17] Generated Node #0,1,0: 64:[63, 17] Operation: 31-14=17 Exploring Operation: 31+14=45, Resulting Numbers: [63, 45] Generated Node #0,1,1: 64:[63, 45] Operation: 31+14=45 Exploring Operation: 63-31=32, Resulting Numbers: [14, 32] Generated Node #0,1,2: 64:[14, 32] Operation: 63-31=32 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[63, 17], Operations: ['56/4=14', '31-14=17'] Exploring Operation: 63*17=1071, Resulting Numbers: [1071] 1071,64 unequal: No Solution Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,64 unequal: No Solution Exploring Operation: 63+17=80, Resulting Numbers: [80] 80,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 64:[14, 32], Operations: ['56/4=14', '63-31=32'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,64 unequal: No Solution Exploring Operation: 14*32=448, Resulting Numbers: [448] 448,64 unequal: No Solution Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[63, 45], Operations: ['56/4=14', '31+14=45'] Exploring Operation: 63+45=108, Resulting Numbers: [108] 108,64 unequal: No Solution Exploring Operation: 63*45=2835, Resulting Numbers: [2835] 2835,64 unequal: No Solution Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,64 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: 64:[31, 63, 60], Operations: ['4+56=60'] Exploring Operation: 60-31=29, Resulting Numbers: [63, 29] Generated Node #0,0,0: 64:[63, 29] Operation: 60-31=29 Exploring Operation: 63-60=3, Resulting Numbers: [31, 3] Generated Node #0,0,1: 64:[31, 3] Operation: 63-60=3 Exploring Operation: 63-31=32, Resulting Numbers: [60, 32] Generated Node #0,0,2: 64:[60, 32] Operation: 63-31=32 Moving to Node #0,2,0 Current State: 64:[31, 3], Operations: ['63-56=7', '7-4=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,64 unequal: No Solution Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[31, 3], Operations: ['4+56=60', '63-60=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,64 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,64 unequal: No Solution Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[7, 35], Operations: ['63-56=7', '4+31=35'] Exploring Operation: 7+35=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,64 unequal: No Solution Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,64 unequal: No Solution Moving to Node #0,0,2 Current State: 64:[60, 32], Operations: ['4+56=60', '63-31=32'] Exploring Operation: 60+32=92, Resulting Numbers: [92] 92,64 unequal: No Solution Exploring Operation: 60*32=1920, Resulting Numbers: [1920] 1920,64 unequal: No Solution Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,64 unequal: No Solution Moving to Node #0,0,0 Current State: 64:[63, 29], Operations: ['4+56=60', '60-31=29'] Exploring Operation: 63*29=1827, Resulting Numbers: [1827] 1827,64 unequal: No Solution Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 63+29=92, Resulting Numbers: [92] 92,64 unequal: No Solution Moving to Node #0,2,1 Current State: 64:[31, 11], Operations: ['63-56=7', '4+7=11'] Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,64 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 32, 6, 8, 75 ]
73
[ "32/8=4", "75-6=69", "4+69=73" ]
Current State: 73:[32, 6, 8, 75], Operations: [] Exploring Operation: 32/8=4, Resulting Numbers: [6, 75, 4] Generated Node #2: [6, 75, 4] from Operation: 32/8=4 Current State: 73:[6, 75, 4], Operations: ['32/8=4'] Exploring Operation: 75-6=69, Resulting Numbers: [4, 69] Generated Node #3: [4, 69] from Operation: 75-6=69 Current State: 73:[4, 69], Operations: ['32/8=4', '75-6=69'] Exploring Operation: 4+69=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[32, 6, 8, 75], Operations: [] Exploring Operation: 6*8=48, Resulting Numbers: [32, 75, 48] Generated Node #0,0: 73:[32, 75, 48] Operation: 6*8=48 Exploring Operation: 32+8=40, Resulting Numbers: [6, 75, 40] Generated Node #0,1: 73:[6, 75, 40] Operation: 32+8=40 Exploring Operation: 32+6=38, Resulting Numbers: [8, 75, 38] Generated Node #0,2: 73:[8, 75, 38] Operation: 32+6=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[32, 75, 48], Operations: ['6*8=48'] Exploring Operation: 32+75=107, Resulting Numbers: [48, 107] Generated Node #0,0,0: 73:[48, 107] Operation: 32+75=107 Exploring Operation: 75-32=43, Resulting Numbers: [48, 43] Generated Node #0,0,1: 73:[48, 43] Operation: 75-32=43 Exploring Operation: 32+48=80, Resulting Numbers: [75, 80] Generated Node #0,0,2: 73:[75, 80] Operation: 32+48=80 Moving to Node #0,0,2 Current State: 73:[75, 80], Operations: ['6*8=48', '32+48=80'] Exploring Operation: 80-75=5, Resulting Numbers: [5] 5,73 unequal: No Solution Exploring Operation: 75*80=6000, Resulting Numbers: [6000] 6000,73 unequal: No Solution Exploring Operation: 75+80=155, Resulting Numbers: [155] 155,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[48, 43], Operations: ['6*8=48', '75-32=43'] Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,73 unequal: No Solution Exploring Operation: 48*43=2064, Resulting Numbers: [2064] 2064,73 unequal: No Solution Exploring Operation: 48+43=91, Resulting Numbers: [91] 91,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[48, 107], Operations: ['6*8=48', '32+75=107'] Exploring Operation: 48*107=5136, Resulting Numbers: [5136] 5136,73 unequal: No Solution Exploring Operation: 107-48=59, Resulting Numbers: [59] 59,73 unequal: No Solution Exploring Operation: 48+107=155, Resulting Numbers: [155] 155,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[6, 75, 40], Operations: ['32+8=40'] Exploring Operation: 75-6=69, Resulting Numbers: [40, 69] Generated Node #0,1,0: 73:[40, 69] Operation: 75-6=69 Exploring Operation: 6+75=81, Resulting Numbers: [40, 81] Generated Node #0,1,1: 73:[40, 81] Operation: 6+75=81 Exploring Operation: 6+40=46, Resulting Numbers: [75, 46] Generated Node #0,1,2: 73:[75, 46] Operation: 6+40=46 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 73:[75, 46], Operations: ['32+8=40', '6+40=46'] Exploring Operation: 75+46=121, Resulting Numbers: [121] 121,73 unequal: No Solution 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 No 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:[40, 69], Operations: ['32+8=40', '75-6=69'] Exploring Operation: 40*69=2760, Resulting Numbers: [2760] 2760,73 unequal: No Solution Exploring Operation: 40+69=109, Resulting Numbers: [109] 109,73 unequal: No Solution Exploring Operation: 69-40=29, Resulting Numbers: [29] 29,73 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 #0,1,1 Current State: 73:[40, 81], Operations: ['32+8=40', '6+75=81'] Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,73 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,73 unequal: No Solution Exploring Operation: 40*81=3240, Resulting Numbers: [3240] 3240,73 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:[8, 75, 38], Operations: ['32+6=38'] Exploring Operation: 8+75=83, Resulting Numbers: [38, 83] Generated Node #0,2,0: 73:[38, 83] Operation: 8+75=83 Exploring Operation: 75-8=67, Resulting Numbers: [38, 67] Generated Node #0,2,1: 73:[38, 67] Operation: 75-8=67 Exploring Operation: 8+38=46, Resulting Numbers: [75, 46] Generated Node #0,2,2: 73:[75, 46] Operation: 8+38=46 Moving to Node #0,2,2 Current State: 73:[75, 46], Operations: ['32+6=38', '8+38=46'] 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 Exploring Operation: 75*46=3450, Resulting Numbers: [3450] 3450,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[38, 67], Operations: ['32+6=38', '75-8=67'] Exploring Operation: 38*67=2546, Resulting Numbers: [2546] 2546,73 unequal: No Solution Exploring Operation: 38+67=105, Resulting Numbers: [105] 105,73 unequal: No Solution Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[38, 83], Operations: ['32+6=38', '8+75=83'] Exploring Operation: 38+83=121, Resulting Numbers: [121] 121,73 unequal: No Solution Exploring Operation: 38*83=3154, Resulting Numbers: [3154] 3154,73 unequal: No Solution Exploring Operation: 83-38=45, Resulting Numbers: [45] 45,73 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
[ 41, 66, 49, 4 ]
78
[ "66-41=25", "49+4=53", "25+53=78" ]
Current State: 78:[41, 66, 49, 4], Operations: [] Exploring Operation: 66-41=25, Resulting Numbers: [49, 4, 25] Generated Node #2: [49, 4, 25] from Operation: 66-41=25 Current State: 78:[49, 4, 25], Operations: ['66-41=25'] Exploring Operation: 49+4=53, Resulting Numbers: [25, 53] Generated Node #3: [25, 53] from Operation: 49+4=53 Current State: 78:[25, 53], Operations: ['66-41=25', '49+4=53'] Exploring Operation: 25+53=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[41, 66, 49, 4], Operations: [] Exploring Operation: 49-41=8, Resulting Numbers: [66, 4, 8] Generated Node #0,0: 78:[66, 4, 8] Operation: 49-41=8 Exploring Operation: 66-49=17, Resulting Numbers: [41, 4, 17] Generated Node #0,1: 78:[41, 4, 17] Operation: 66-49=17 Exploring Operation: 66-41=25, Resulting Numbers: [49, 4, 25] Generated Node #0,2: 78:[49, 4, 25] Operation: 66-41=25 Moving to Node #0,1 Current State: 78:[41, 4, 17], Operations: ['66-49=17'] Exploring Operation: 41-17=24, Resulting Numbers: [4, 24] Generated Node #0,1,0: 78:[4, 24] Operation: 41-17=24 Exploring Operation: 17-4=13, Resulting Numbers: [41, 13] Generated Node #0,1,1: 78:[41, 13] Operation: 17-4=13 Exploring Operation: 41-4=37, Resulting Numbers: [17, 37] Generated Node #0,1,2: 78:[17, 37] Operation: 41-4=37 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[41, 13], Operations: ['66-49=17', '17-4=13'] Exploring Operation: 41*13=533, Resulting Numbers: [533] 533,78 unequal: No Solution Exploring Operation: 41+13=54, Resulting Numbers: [54] 54,78 unequal: No Solution Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[4, 24], Operations: ['66-49=17', '41-17=24'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,78 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,78 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 78:[17, 37], Operations: ['66-49=17', '41-4=37'] Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,78 unequal: No Solution Exploring Operation: 17*37=629, Resulting Numbers: [629] 629,78 unequal: No Solution Exploring Operation: 17+37=54, Resulting Numbers: [54] 54,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 78:[49, 4, 25], Operations: ['66-41=25'] Exploring Operation: 49-25=24, Resulting Numbers: [4, 24] Generated Node #0,2,0: 78:[4, 24] Operation: 49-25=24 Exploring Operation: 49-4=45, Resulting Numbers: [25, 45] Generated Node #0,2,1: 78:[25, 45] Operation: 49-4=45 Exploring Operation: 49+25=74, Resulting Numbers: [4, 74] Generated Node #0,2,2: 78:[4, 74] Operation: 49+25=74 Moving to Node #0,0 Current State: 78:[66, 4, 8], Operations: ['49-41=8'] Exploring Operation: 66+8=74, Resulting Numbers: [4, 74] Generated Node #0,0,0: 78:[4, 74] Operation: 66+8=74 Exploring Operation: 8/4=2, Resulting Numbers: [66, 2] Generated Node #0,0,1: 78:[66, 2] Operation: 8/4=2 Exploring Operation: 66+4=70, Resulting Numbers: [8, 70] Generated Node #0,0,2: 78:[8, 70] Operation: 66+4=70 Moving to Node #0,2,0 Current State: 78:[4, 24], Operations: ['66-41=25', '49-25=24'] Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,78 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,78 unequal: No Solution Moving to Node #0,2,2 Current State: 78:[4, 74], Operations: ['66-41=25', '49+25=74'] Exploring Operation: 4+74=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[41, 66, 49, 4], Operations: [] Exploring Operation: 66-41=25, Resulting Numbers: [49, 4, 25] Generated Node #0,2: 78:[49, 4, 25] Operation: 66-41=25 Moving to Node #0,2 Current State: 78:[49, 4, 25], Operations: ['66-41=25'] Exploring Operation: 49+25=74, Resulting Numbers: [4, 74] Generated Node #0,2,2: 78:[4, 74] Operation: 49+25=74 Moving to Node #0,2,2 Current State: 78:[4, 74], Operations: ['66-41=25', '49+25=74'] Exploring Operation: 4+74=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
0.974826
hs_3
sum_heuristic
[ 33, 8, 4, 53 ]
53
[ "8*4=32", "33-32=1", "53*1=53" ]
Current State: 53:[33, 8, 4, 53], Operations: [] Exploring Operation: 8*4=32, Resulting Numbers: [33, 53, 32] Generated Node #2: [33, 53, 32] from Operation: 8*4=32 Current State: 53:[33, 53, 32], Operations: ['8*4=32'] Exploring Operation: 33-32=1, Resulting Numbers: [53, 1] Generated Node #3: [53, 1] from Operation: 33-32=1 Current State: 53:[53, 1], Operations: ['8*4=32', '33-32=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[33, 8, 4, 53], Operations: [] Exploring Operation: 8*4=32, Resulting Numbers: [33, 53, 32] Generated Node #0,0: 53:[33, 53, 32] Operation: 8*4=32 Exploring Operation: 8+4=12, Resulting Numbers: [33, 53, 12] Generated Node #0,1: 53:[33, 53, 12] Operation: 8+4=12 Exploring Operation: 33+8=41, Resulting Numbers: [4, 53, 41] Generated Node #0,2: 53:[4, 53, 41] Operation: 33+8=41 Exploring Operation: 33+4=37, Resulting Numbers: [8, 53, 37] Generated Node #0,3: 53:[8, 53, 37] Operation: 33+4=37 Moving to Node #0,0 Current State: 53:[33, 53, 32], Operations: ['8*4=32'] Exploring Operation: 33-32=1, Resulting Numbers: [53, 1] Generated Node #0,0,0: 53:[53, 1] Operation: 33-32=1 Exploring Operation: 53+32=85, Resulting Numbers: [33, 85] Generated Node #0,0,1: 53:[33, 85] Operation: 53+32=85 Exploring Operation: 53-32=21, Resulting Numbers: [33, 21] Generated Node #0,0,2: 53:[33, 21] Operation: 53-32=21 Exploring Operation: 33+32=65, Resulting Numbers: [53, 65] Generated Node #0,0,3: 53:[53, 65] Operation: 33+32=65 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 53:[53, 65], Operations: ['8*4=32', '33+32=65'] Exploring Operation: 53+65=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 53*65=3445, Resulting Numbers: [3445] 3445,53 unequal: No Solution Exploring Operation: 65-53=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 #0,0,0 Current State: 53:[53, 1], Operations: ['8*4=32', '33-32=1'] Exploring Operation: 53+1=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[33, 8, 4, 53], Operations: [] Exploring Operation: 8*4=32, Resulting Numbers: [33, 53, 32] Generated Node #0,0: 53:[33, 53, 32] Operation: 8*4=32 Moving to Node #0,0 Current State: 53:[33, 53, 32], Operations: ['8*4=32'] Exploring Operation: 33-32=1, Resulting Numbers: [53, 1] Generated Node #0,0,0: 53:[53, 1] Operation: 33-32=1 Moving to Node #0,0,0 Current State: 53:[53, 1], Operations: ['8*4=32', '33-32=1'] Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 33, 99, 86, 32 ]
10
[ "99/33=3", "32*3=96", "96-86=10" ]
Current State: 10:[33, 99, 86, 32], Operations: [] Exploring Operation: 99/33=3, Resulting Numbers: [86, 32, 3] Generated Node #2: [86, 32, 3] from Operation: 99/33=3 Current State: 10:[86, 32, 3], Operations: ['99/33=3'] Exploring Operation: 32*3=96, Resulting Numbers: [86, 96] Generated Node #3: [86, 96] from Operation: 32*3=96 Current State: 10:[86, 96], Operations: ['99/33=3', '32*3=96'] Exploring Operation: 96-86=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[33, 99, 86, 32], Operations: [] Exploring Operation: 99-86=13, Resulting Numbers: [33, 32, 13] Generated Node #0,0: 10:[33, 32, 13] Operation: 99-86=13 Exploring Operation: 99-32=67, Resulting Numbers: [33, 86, 67] Generated Node #0,1: 10:[33, 86, 67] Operation: 99-32=67 Exploring Operation: 99/33=3, Resulting Numbers: [86, 32, 3] Generated Node #0,2: 10:[86, 32, 3] Operation: 99/33=3 Exploring Operation: 99-33=66, Resulting Numbers: [86, 32, 66] Generated Node #0,3: 10:[86, 32, 66] Operation: 99-33=66 Exploring Operation: 86-33=53, Resulting Numbers: [99, 32, 53] Generated Node #0,4: 10:[99, 32, 53] Operation: 86-33=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[33, 32, 13], Operations: ['99-86=13'] Exploring Operation: 33+32=65, Resulting Numbers: [13, 65] Generated Node #0,0,0: 10:[13, 65] Operation: 33+32=65 Exploring Operation: 33+13=46, Resulting Numbers: [32, 46] Generated Node #0,0,1: 10:[32, 46] Operation: 33+13=46 Exploring Operation: 33-32=1, Resulting Numbers: [13, 1] Generated Node #0,0,2: 10:[13, 1] Operation: 33-32=1 Exploring Operation: 32-13=19, Resulting Numbers: [33, 19] Generated Node #0,0,3: 10:[33, 19] Operation: 32-13=19 Exploring Operation: 33-13=20, Resulting Numbers: [32, 20] Generated Node #0,0,4: 10:[32, 20] Operation: 33-13=20 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 10:[13, 1], Operations: ['99-86=13', '33-32=1'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,10 unequal: No Solution Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,10 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 10:[33, 19], Operations: ['99-86=13', '32-13=19'] Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,10 unequal: No Solution Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,10 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 10:[32, 20], Operations: ['99-86=13', '33-13=20'] Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,10 unequal: No Solution Exploring Operation: 32*20=640, Resulting Numbers: [640] 640,10 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[13, 65], Operations: ['99-86=13', '33+32=65'] Exploring Operation: 65/13=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 65-13=52, Resulting Numbers: [52] 52,10 unequal: No Solution Exploring Operation: 13+65=78, Resulting Numbers: [78] 78,10 unequal: No Solution Exploring Operation: 13*65=845, Resulting Numbers: [845] 845,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 10:[32, 46], Operations: ['99-86=13', '33+13=46'] Exploring Operation: 32*46=1472, Resulting Numbers: [1472] 1472,10 unequal: No Solution Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,10 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[86, 32, 3], Operations: ['99/33=3'] Exploring Operation: 86-3=83, Resulting Numbers: [32, 83] Generated Node #0,2,0: 10:[32, 83] Operation: 86-3=83 Exploring Operation: 86-32=54, Resulting Numbers: [3, 54] Generated Node #0,2,1: 10:[3, 54] Operation: 86-32=54 Exploring Operation: 86+3=89, Resulting Numbers: [32, 89] Generated Node #0,2,2: 10:[32, 89] Operation: 86+3=89 Exploring Operation: 32+3=35, Resulting Numbers: [86, 35] Generated Node #0,2,3: 10:[86, 35] Operation: 32+3=35 Exploring Operation: 32-3=29, Resulting Numbers: [86, 29] Generated Node #0,2,4: 10:[86, 29] Operation: 32-3=29 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 10:[3, 54], Operations: ['99/33=3', '86-32=54'] Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,10 unequal: No Solution Exploring Operation: 3*54=162, Resulting Numbers: [162] 162,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 10:[32, 83], Operations: ['99/33=3', '86-3=83'] Exploring Operation: 32*83=2656, Resulting Numbers: [2656] 2656,10 unequal: No Solution Exploring Operation: 83-32=51, Resulting Numbers: [51] 51,10 unequal: No Solution Exploring Operation: 32+83=115, Resulting Numbers: [115] 115,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 10:[86, 29], Operations: ['99/33=3', '32-3=29'] Exploring Operation: 86-29=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 86*29=2494, Resulting Numbers: [2494] 2494,10 unequal: No Solution Exploring Operation: 86+29=115, Resulting Numbers: [115] 115,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 10:[32, 89], Operations: ['99/33=3', '86+3=89'] Exploring Operation: 32*89=2848, Resulting Numbers: [2848] 2848,10 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 32+89=121, Resulting Numbers: [121] 121,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 10:[86, 35], Operations: ['99/33=3', '32+3=35'] Exploring Operation: 86+35=121, Resulting Numbers: [121] 121,10 unequal: No Solution Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,10 unequal: No Solution Exploring Operation: 86*35=3010, Resulting Numbers: [3010] 3010,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 10:[86, 32, 66], Operations: ['99-33=66'] Exploring Operation: 86+66=152, Resulting Numbers: [32, 152] Generated Node #0,3,0: 10:[32, 152] Operation: 86+66=152 Exploring Operation: 86-66=20, Resulting Numbers: [32, 20] Generated Node #0,3,1: 10:[32, 20] Operation: 86-66=20 Exploring Operation: 86-32=54, Resulting Numbers: [66, 54] Generated Node #0,3,2: 10:[66, 54] Operation: 86-32=54 Exploring Operation: 66-32=34, Resulting Numbers: [86, 34] Generated Node #0,3,3: 10:[86, 34] Operation: 66-32=34 Exploring Operation: 86+32=118, Resulting Numbers: [66, 118] Generated Node #0,3,4: 10:[66, 118] Operation: 86+32=118 Moving to Node #0,3,1 Current State: 10:[32, 20], Operations: ['99-33=66', '86-66=20'] Exploring Operation: 32*20=640, Resulting Numbers: [640] 640,10 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,10 unequal: No Solution Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,10 unequal: No Solution Moving to Node #0,3,3 Current State: 10:[86, 34], Operations: ['99-33=66', '66-32=34'] Exploring Operation: 86+34=120, Resulting Numbers: [120] 120,10 unequal: No Solution Exploring Operation: 86*34=2924, Resulting Numbers: [2924] 2924,10 unequal: No Solution Exploring Operation: 86-34=52, Resulting Numbers: [52] 52,10 unequal: No Solution Moving to Node #0,3,2 Current State: 10:[66, 54], Operations: ['99-33=66', '86-32=54'] Exploring Operation: 66-54=12, Resulting Numbers: [12] 12,10 unequal: No Solution Exploring Operation: 66+54=120, Resulting Numbers: [120] 120,10 unequal: No Solution Exploring Operation: 66*54=3564, Resulting Numbers: [3564] 3564,10 unequal: No Solution Moving to Node #0,3,0 Current State: 10:[32, 152], Operations: ['99-33=66', '86+66=152'] Exploring Operation: 32+152=184, Resulting Numbers: [184] 184,10 unequal: No Solution Exploring Operation: 152-32=120, Resulting Numbers: [120] 120,10 unequal: No Solution Exploring Operation: 32*152=4864, Resulting Numbers: [4864] 4864,10 unequal: No Solution Moving to Node #0,3,4 Current State: 10:[66, 118], Operations: ['99-33=66', '86+32=118'] Exploring Operation: 118-66=52, Resulting Numbers: [52] 52,10 unequal: No Solution Exploring Operation: 66+118=184, Resulting Numbers: [184] 184,10 unequal: No Solution Exploring Operation: 66*118=7788, Resulting Numbers: [7788] 7788,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 10:[99, 32, 53], Operations: ['86-33=53'] Exploring Operation: 99-32=67, Resulting Numbers: [53, 67] Generated Node #0,4,0: 10:[53, 67] Operation: 99-32=67 Exploring Operation: 99+32=131, Resulting Numbers: [53, 131] Generated Node #0,4,1: 10:[53, 131] Operation: 99+32=131 Exploring Operation: 53-32=21, Resulting Numbers: [99, 21] Generated Node #0,4,2: 10:[99, 21] Operation: 53-32=21 Exploring Operation: 99+53=152, Resulting Numbers: [32, 152] Generated Node #0,4,3: 10:[32, 152] Operation: 99+53=152 Exploring Operation: 99-53=46, Resulting Numbers: [32, 46] Generated Node #0,4,4: 10:[32, 46] Operation: 99-53=46 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 10:[32, 46], Operations: ['86-33=53', '99-53=46'] Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,10 unequal: No Solution Exploring Operation: 32*46=1472, Resulting Numbers: [1472] 1472,10 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 10:[53, 67], Operations: ['86-33=53', '99-32=67'] Exploring Operation: 67-53=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 53*67=3551, Resulting Numbers: [3551] 3551,10 unequal: No Solution Exploring Operation: 53+67=120, Resulting Numbers: [120] 120,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 10:[99, 21], Operations: ['86-33=53', '53-32=21'] Exploring Operation: 99+21=120, Resulting Numbers: [120] 120,10 unequal: No Solution Exploring Operation: 99*21=2079, Resulting Numbers: [2079] 2079,10 unequal: No Solution Exploring Operation: 99-21=78, Resulting Numbers: [78] 78,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 10:[53, 131], Operations: ['86-33=53', '99+32=131'] Exploring Operation: 131-53=78, Resulting Numbers: [78] 78,10 unequal: No Solution Exploring Operation: 53+131=184, Resulting Numbers: [184] 184,10 unequal: No Solution Exploring Operation: 53*131=6943, Resulting Numbers: [6943] 6943,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 10:[32, 152], Operations: ['86-33=53', '99+53=152'] Exploring Operation: 32*152=4864, Resulting Numbers: [4864] 4864,10 unequal: No Solution Exploring Operation: 152-32=120, Resulting Numbers: [120] 120,10 unequal: No Solution Exploring Operation: 32+152=184, Resulting Numbers: [184] 184,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[33, 86, 67], Operations: ['99-32=67'] Exploring Operation: 86-33=53, Resulting Numbers: [67, 53] Generated Node #0,1,0: 10:[67, 53] Operation: 86-33=53 Exploring Operation: 33+67=100, Resulting Numbers: [86, 100] Generated Node #0,1,1: 10:[86, 100] Operation: 33+67=100 Exploring Operation: 33+86=119, Resulting Numbers: [67, 119] Generated Node #0,1,2: 10:[67, 119] Operation: 33+86=119 Exploring Operation: 67-33=34, Resulting Numbers: [86, 34] Generated Node #0,1,3: 10:[86, 34] Operation: 67-33=34 Exploring Operation: 86-67=19, Resulting Numbers: [33, 19] Generated Node #0,1,4: 10:[33, 19] Operation: 86-67=19 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 10:[33, 19], Operations: ['99-32=67', '86-67=19'] Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,10 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 10:[67, 53], Operations: ['99-32=67', '86-33=53'] Exploring Operation: 67*53=3551, Resulting Numbers: [3551] 3551,10 unequal: No Solution Exploring Operation: 67+53=120, Resulting Numbers: [120] 120,10 unequal: No Solution Exploring Operation: 67-53=14, Resulting Numbers: [14] 14,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 10:[86, 34], Operations: ['99-32=67', '67-33=34'] Exploring Operation: 86-34=52, Resulting Numbers: [52] 52,10 unequal: No Solution Exploring Operation: 86*34=2924, Resulting Numbers: [2924] 2924,10 unequal: No Solution Exploring Operation: 86+34=120, Resulting Numbers: [120] 120,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 10:[86, 100], Operations: ['99-32=67', '33+67=100'] Exploring Operation: 100-86=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 86*100=8600, Resulting Numbers: [8600] 8600,10 unequal: No Solution Exploring Operation: 86+100=186, Resulting Numbers: [186] 186,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 10:[67, 119], Operations: ['99-32=67', '33+86=119'] Exploring Operation: 67+119=186, Resulting Numbers: [186] 186,10 unequal: No Solution Exploring Operation: 119-67=52, Resulting Numbers: [52] 52,10 unequal: No Solution Exploring Operation: 67*119=7973, Resulting Numbers: [7973] 7973,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 69, 88, 69, 23 ]
65
[ "69+88=157", "69+23=92", "157-92=65" ]
Current State: 65:[69, 88, 69, 23], Operations: [] Exploring Operation: 69+88=157, Resulting Numbers: [23, 157] Generated Node #2: [23, 157] from Operation: 69+88=157 Current State: 65:[23, 157], Operations: ['69+88=157'] Exploring Operation: 69+23=92, Resulting Numbers: [157, 92] Generated Node #3: [157, 92] from Operation: 69+23=92 Current State: 65:[157, 92], Operations: ['69+88=157', '69+23=92'] Exploring Operation: 157-92=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[69, 88, 69, 23], Operations: [] Exploring Operation: 88-69=19, Resulting Numbers: [69, 23, 19] Generated Node #0,0: 65:[69, 23, 19] Operation: 88-69=19 Exploring Operation: 88-23=65, Resulting Numbers: [69, 69, 65] Generated Node #0,1: 65:[69, 69, 65] Operation: 88-23=65 Moving to Node #0,1 Current State: 65:[69, 69, 65], Operations: ['88-23=65'] Exploring Operation: 69/69=1, Resulting Numbers: [65, 1] Generated Node #0,1,0: 65:[65, 1] Operation: 69/69=1 Exploring Operation: 69-69=0, Resulting Numbers: [65, 0] Generated Node #0,1,1: 65:[65, 0] Operation: 69-69=0 Moving to Node #0,0 Current State: 65:[69, 23, 19], Operations: ['88-69=19'] Exploring Operation: 23-19=4, Resulting Numbers: [69, 4] Generated Node #0,0,0: 65:[69, 4] Operation: 23-19=4 Exploring Operation: 69/23=3, Resulting Numbers: [19, 3] Generated Node #0,0,1: 65:[19, 3] Operation: 69/23=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[69, 4], Operations: ['88-69=19', '23-19=4'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[69, 88, 69, 23], Operations: [] Exploring Operation: 88-69=19, Resulting Numbers: [69, 23, 19] Generated Node #0,0: 65:[69, 23, 19] Operation: 88-69=19 Moving to Node #0,0 Current State: 65:[69, 23, 19], Operations: ['88-69=19'] Exploring Operation: 23-19=4, Resulting Numbers: [69, 4] Generated Node #0,0,0: 65:[69, 4] Operation: 23-19=4 Moving to Node #0,0,0 Current State: 65:[69, 4], Operations: ['88-69=19', '23-19=4'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 48, 54, 30, 98 ]
96
[ "54-30=24", "48/24=2", "98-2=96" ]
Current State: 96:[48, 54, 30, 98], Operations: [] Exploring Operation: 54-30=24, Resulting Numbers: [48, 98, 24] Generated Node #2: [48, 98, 24] from Operation: 54-30=24 Current State: 96:[48, 98, 24], Operations: ['54-30=24'] Exploring Operation: 48/24=2, Resulting Numbers: [98, 2] Generated Node #3: [98, 2] from Operation: 48/24=2 Current State: 96:[98, 2], Operations: ['54-30=24', '48/24=2'] Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[48, 54, 30, 98], Operations: [] Exploring Operation: 98-54=44, Resulting Numbers: [48, 30, 44] Generated Node #0,0: 96:[48, 30, 44] Operation: 98-54=44 Exploring Operation: 54-48=6, Resulting Numbers: [30, 98, 6] Generated Node #0,1: 96:[30, 98, 6] Operation: 54-48=6 Exploring Operation: 48-30=18, Resulting Numbers: [54, 98, 18] Generated Node #0,2: 96:[54, 98, 18] Operation: 48-30=18 Exploring Operation: 48+54=102, Resulting Numbers: [30, 98, 102] Generated Node #0,3: 96:[30, 98, 102] Operation: 48+54=102 Exploring Operation: 54-30=24, Resulting Numbers: [48, 98, 24] Generated Node #0,4: 96:[48, 98, 24] Operation: 54-30=24 Start Sub Search at level 1: Moving to Node #0,4 Current State: 96:[48, 98, 24], Operations: ['54-30=24'] Exploring Operation: 48/24=2, Resulting Numbers: [98, 2] Generated Node #0,4,0: 96:[98, 2] Operation: 48/24=2 Exploring Operation: 98-48=50, Resulting Numbers: [24, 50] Generated Node #0,4,1: 96:[24, 50] Operation: 98-48=50 Exploring Operation: 98-24=74, Resulting Numbers: [48, 74] Generated Node #0,4,2: 96:[48, 74] Operation: 98-24=74 Exploring Operation: 48-24=24, Resulting Numbers: [98, 24] Generated Node #0,4,3: 96:[98, 24] Operation: 48-24=24 Exploring Operation: 48+24=72, Resulting Numbers: [98, 72] Generated Node #0,4,4: 96:[98, 72] Operation: 48+24=72 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 96:[98, 2], Operations: ['54-30=24', '48/24=2'] Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,96 unequal: No Solution Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,96 unequal: No Solution Exploring Operation: 98*2=196, Resulting Numbers: [196] 196,96 unequal: No Solution Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[48, 54, 30, 98], Operations: [] Exploring Operation: 54-30=24, Resulting Numbers: [48, 98, 24] Generated Node #0,4: 96:[48, 98, 24] Operation: 54-30=24 Moving to Node #0,4 Current State: 96:[48, 98, 24], Operations: ['54-30=24'] Exploring Operation: 48/24=2, Resulting Numbers: [98, 2] Generated Node #0,4,0: 96:[98, 2] Operation: 48/24=2 Moving to Node #0,4,0 Current State: 96:[98, 2], Operations: ['54-30=24', '48/24=2'] Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 12, 80, 75, 89 ]
100
[ "12*75=900", "89-80=9", "900/9=100" ]
Current State: 100:[12, 80, 75, 89], Operations: [] Exploring Operation: 12*75=900, Resulting Numbers: [80, 89, 900] Generated Node #2: [80, 89, 900] from Operation: 12*75=900 Current State: 100:[80, 89, 900], Operations: ['12*75=900'] Exploring Operation: 89-80=9, Resulting Numbers: [900, 9] Generated Node #3: [900, 9] from Operation: 89-80=9 Current State: 100:[900, 9], Operations: ['12*75=900', '89-80=9'] Exploring Operation: 900/9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[12, 80, 75, 89], Operations: [] Exploring Operation: 80-75=5, Resulting Numbers: [12, 89, 5] Generated Node #0,0: 100:[12, 89, 5] Operation: 80-75=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[12, 89, 5], Operations: ['80-75=5'] Exploring Operation: 12+89=101, Resulting Numbers: [5, 101] Generated Node #0,0,0: 100:[5, 101] Operation: 12+89=101 Moving to Node #0,0,0 Current State: 100:[5, 101], Operations: ['80-75=5', '12+89=101'] Exploring Operation: 101-5=96, Resulting Numbers: [96] 96,100 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
[ 35, 25, 23, 10 ]
60
[ "25-23=2", "35*2=70", "70-10=60" ]
Current State: 60:[35, 25, 23, 10], Operations: [] Exploring Operation: 25-23=2, Resulting Numbers: [35, 10, 2] Generated Node #2: [35, 10, 2] from Operation: 25-23=2 Current State: 60:[35, 10, 2], Operations: ['25-23=2'] Exploring Operation: 35*2=70, Resulting Numbers: [10, 70] Generated Node #3: [10, 70] from Operation: 35*2=70 Current State: 60:[10, 70], Operations: ['25-23=2', '35*2=70'] Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[35, 25, 23, 10], Operations: [] Exploring Operation: 35-25=10, Resulting Numbers: [23, 10, 10] Generated Node #0,0: 60:[23, 10, 10] Operation: 35-25=10 Exploring Operation: 35+25=60, Resulting Numbers: [23, 10, 60] Generated Node #0,1: 60:[23, 10, 60] Operation: 35+25=60 Moving to Node #0,0 Current State: 60:[23, 10, 10], Operations: ['35-25=10'] Exploring Operation: 23-10=13, Resulting Numbers: [10, 13] Generated Node #0,0,0: 60:[10, 13] Operation: 23-10=13 Exploring Operation: 23-10=13, Resulting Numbers: [10, 13] Generated Node #0,0,1: 60:[10, 13] Operation: 23-10=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[10, 13], Operations: ['35-25=10', '23-10=13'] Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 60:[10, 13], Operations: ['35-25=10', '23-10=13'] Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 60:[23, 10, 60], Operations: ['35+25=60'] Exploring Operation: 23+10=33, Resulting Numbers: [60, 33] Generated Node #0,1,0: 60:[60, 33] Operation: 23+10=33 Exploring Operation: 23-10=13, Resulting Numbers: [60, 13] Generated Node #0,1,1: 60:[60, 13] Operation: 23-10=13 Moving to Node #0,1,1 Current State: 60:[60, 13], Operations: ['35+25=60', '23-10=13'] Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,60 unequal: No Solution Exploring Operation: 60+13=73, Resulting Numbers: [73] 73,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[60, 33], Operations: ['35+25=60', '23+10=33'] Exploring Operation: 60-33=27, Resulting Numbers: [27] 27,60 unequal: No Solution Exploring Operation: 60+33=93, Resulting Numbers: [93] 93,60 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 21, 60, 3, 15 ]
50
[ "21-3=18", "60*15=900", "900/18=50" ]
Current State: 50:[21, 60, 3, 15], Operations: [] Exploring Operation: 21-3=18, Resulting Numbers: [60, 15, 18] Generated Node #2: [60, 15, 18] from Operation: 21-3=18 Current State: 50:[60, 15, 18], Operations: ['21-3=18'] Exploring Operation: 60*15=900, Resulting Numbers: [18, 900] Generated Node #3: [18, 900] from Operation: 60*15=900 Current State: 50:[18, 900], Operations: ['21-3=18', '60*15=900'] Exploring Operation: 900/18=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[21, 60, 3, 15], Operations: [] Exploring Operation: 60/15=4, Resulting Numbers: [21, 3, 4] Generated Node #0,0: 50:[21, 3, 4] Operation: 60/15=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[21, 3, 4], Operations: ['60/15=4'] Exploring Operation: 21+4=25, Resulting Numbers: [3, 25] Generated Node #0,0,0: 50:[3, 25] Operation: 21+4=25 Moving to Node #0,0,0 Current State: 50:[3, 25], Operations: ['60/15=4', '21+4=25'] Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 88, 15, 3, 68 ]
100
[ "88-68=20", "15/3=5", "20*5=100" ]
Current State: 100:[88, 15, 3, 68], Operations: [] Exploring Operation: 88-68=20, Resulting Numbers: [15, 3, 20] Generated Node #2: [15, 3, 20] from Operation: 88-68=20 Current State: 100:[15, 3, 20], Operations: ['88-68=20'] Exploring Operation: 15/3=5, Resulting Numbers: [20, 5] Generated Node #3: [20, 5] from Operation: 15/3=5 Current State: 100:[20, 5], Operations: ['88-68=20', '15/3=5'] Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[88, 15, 3, 68], Operations: [] Exploring Operation: 88-68=20, Resulting Numbers: [15, 3, 20] Generated Node #0,0: 100:[15, 3, 20] Operation: 88-68=20 Exploring Operation: 88+15=103, Resulting Numbers: [3, 68, 103] Generated Node #0,1: 100:[3, 68, 103] Operation: 88+15=103 Exploring Operation: 68-15=53, Resulting Numbers: [88, 3, 53] Generated Node #0,2: 100:[88, 3, 53] Operation: 68-15=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[15, 3, 20], Operations: ['88-68=20'] Exploring Operation: 20-15=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 100:[3, 5] Operation: 20-15=5 Exploring Operation: 15+3=18, Resulting Numbers: [20, 18] Generated Node #0,0,1: 100:[20, 18] Operation: 15+3=18 Exploring Operation: 15/3=5, Resulting Numbers: [20, 5] Generated Node #0,0,2: 100:[20, 5] Operation: 15/3=5 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 100:[20, 5], Operations: ['88-68=20', '15/3=5'] Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[88, 15, 3, 68], Operations: [] Exploring Operation: 88-68=20, Resulting Numbers: [15, 3, 20] Generated Node #0,0: 100:[15, 3, 20] Operation: 88-68=20 Moving to Node #0,0 Current State: 100:[15, 3, 20], Operations: ['88-68=20'] Exploring Operation: 15/3=5, Resulting Numbers: [20, 5] Generated Node #0,0,2: 100:[20, 5] Operation: 15/3=5 Moving to Node #0,0,2 Current State: 100:[20, 5], Operations: ['88-68=20', '15/3=5'] Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 43, 22, 70, 87 ]
38
[ "43-22=21", "87-70=17", "21+17=38" ]
Current State: 38:[43, 22, 70, 87], Operations: [] Exploring Operation: 43-22=21, Resulting Numbers: [70, 87, 21] Generated Node #2: [70, 87, 21] from Operation: 43-22=21 Current State: 38:[70, 87, 21], Operations: ['43-22=21'] Exploring Operation: 87-70=17, Resulting Numbers: [21, 17] Generated Node #3: [21, 17] from Operation: 87-70=17 Current State: 38:[21, 17], Operations: ['43-22=21', '87-70=17'] Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[43, 22, 70, 87], Operations: [] Exploring Operation: 87-43=44, Resulting Numbers: [22, 70, 44] Generated Node #0,0: 38:[22, 70, 44] Operation: 87-43=44 Exploring Operation: 87-22=65, Resulting Numbers: [43, 70, 65] Generated Node #0,1: 38:[43, 70, 65] Operation: 87-22=65 Exploring Operation: 70-43=27, Resulting Numbers: [22, 87, 27] Generated Node #0,2: 38:[22, 87, 27] Operation: 70-43=27 Exploring Operation: 70-22=48, Resulting Numbers: [43, 87, 48] Generated Node #0,3: 38:[43, 87, 48] Operation: 70-22=48 Exploring Operation: 87-70=17, Resulting Numbers: [43, 22, 17] Generated Node #0,4: 38:[43, 22, 17] Operation: 87-70=17 Start Sub Search at level 1: Moving to Node #0,4 Current State: 38:[43, 22, 17], Operations: ['87-70=17'] Exploring Operation: 43-22=21, Resulting Numbers: [17, 21] Generated Node #0,4,0: 38:[17, 21] Operation: 43-22=21 Exploring Operation: 43+17=60, Resulting Numbers: [22, 60] Generated Node #0,4,1: 38:[22, 60] Operation: 43+17=60 Exploring Operation: 22+17=39, Resulting Numbers: [43, 39] Generated Node #0,4,2: 38:[43, 39] Operation: 22+17=39 Exploring Operation: 22-17=5, Resulting Numbers: [43, 5] Generated Node #0,4,3: 38:[43, 5] Operation: 22-17=5 Exploring Operation: 43-17=26, Resulting Numbers: [22, 26] Generated Node #0,4,4: 38:[22, 26] Operation: 43-17=26 Moving to Node #0,4,0 Current State: 38:[17, 21], Operations: ['87-70=17', '43-22=21'] Exploring Operation: 17*21=357, Resulting Numbers: [357] 357,38 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[43, 22, 70, 87], Operations: [] Exploring Operation: 87-70=17, Resulting Numbers: [43, 22, 17] Generated Node #0,4: 38:[43, 22, 17] Operation: 87-70=17 Moving to Node #0,4 Current State: 38:[43, 22, 17], Operations: ['87-70=17'] Exploring Operation: 43-22=21, Resulting Numbers: [17, 21] Generated Node #0,4,0: 38:[17, 21] Operation: 43-22=21 Moving to Node #0,4,0 Current State: 38:[17, 21], Operations: ['87-70=17', '43-22=21'] Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 71, 96, 10, 14 ]
21
[ "96-71=25", "14-10=4", "25-4=21" ]
Current State: 21:[71, 96, 10, 14], Operations: [] Exploring Operation: 96-71=25, Resulting Numbers: [10, 14, 25] Generated Node #2: [10, 14, 25] from Operation: 96-71=25 Current State: 21:[10, 14, 25], Operations: ['96-71=25'] Exploring Operation: 14-10=4, Resulting Numbers: [25, 4] Generated Node #3: [25, 4] from Operation: 14-10=4 Current State: 21:[25, 4], Operations: ['96-71=25', '14-10=4'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[71, 96, 10, 14], Operations: [] Exploring Operation: 71-14=57, Resulting Numbers: [96, 10, 57] Generated Node #0,0: 21:[96, 10, 57] Operation: 71-14=57 Exploring Operation: 96-71=25, Resulting Numbers: [10, 14, 25] Generated Node #0,1: 21:[10, 14, 25] Operation: 96-71=25 Moving to Node #0,1 Current State: 21:[10, 14, 25], Operations: ['96-71=25'] Exploring Operation: 14-10=4, Resulting Numbers: [25, 4] Generated Node #0,1,0: 21:[25, 4] Operation: 14-10=4 Exploring Operation: 10+14=24, Resulting Numbers: [25, 24] Generated Node #0,1,1: 21:[25, 24] Operation: 10+14=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[25, 4], Operations: ['96-71=25', '14-10=4'] Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,21 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[71, 96, 10, 14], Operations: [] Exploring Operation: 96-71=25, Resulting Numbers: [10, 14, 25] Generated Node #0,1: 21:[10, 14, 25] Operation: 96-71=25 Moving to Node #0,1 Current State: 21:[10, 14, 25], Operations: ['96-71=25'] Exploring Operation: 14-10=4, Resulting Numbers: [25, 4] Generated Node #0,1,0: 21:[25, 4] Operation: 14-10=4 Moving to Node #0,1,0 Current State: 21:[25, 4], Operations: ['96-71=25', '14-10=4'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 2, 34, 6, 66 ]
92
[ "34-2=32", "66-6=60", "32+60=92" ]
Current State: 92:[2, 34, 6, 66], Operations: [] Exploring Operation: 34-2=32, Resulting Numbers: [6, 66, 32] Generated Node #2: [6, 66, 32] from Operation: 34-2=32 Current State: 92:[6, 66, 32], Operations: ['34-2=32'] Exploring Operation: 66-6=60, Resulting Numbers: [32, 60] Generated Node #3: [32, 60] from Operation: 66-6=60 Current State: 92:[32, 60], Operations: ['34-2=32', '66-6=60'] Exploring Operation: 32+60=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[2, 34, 6, 66], Operations: [] Exploring Operation: 34+66=100, Resulting Numbers: [2, 6, 100] Generated Node #0,0: 92:[2, 6, 100] Operation: 34+66=100 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[2, 6, 100], Operations: ['34+66=100'] Exploring Operation: 100-6=94, Resulting Numbers: [2, 94] Generated Node #0,0,0: 92:[2, 94] Operation: 100-6=94 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[2, 94], Operations: ['34+66=100', '100-6=94'] Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[2, 34, 6, 66], Operations: [] Exploring Operation: 34+66=100, Resulting Numbers: [2, 6, 100] Generated Node #0,0: 92:[2, 6, 100] Operation: 34+66=100 Moving to Node #0,0 Current State: 92:[2, 6, 100], Operations: ['34+66=100'] Exploring Operation: 100-6=94, Resulting Numbers: [2, 94] Generated Node #0,0,0: 92:[2, 94] Operation: 100-6=94 Moving to Node #0,0,0 Current State: 92:[2, 94], Operations: ['34+66=100', '100-6=94'] Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 87, 66, 64, 77 ]
67
[ "66-64=2", "77*2=154", "154-87=67" ]
Current State: 67:[87, 66, 64, 77], Operations: [] Exploring Operation: 66-64=2, Resulting Numbers: [87, 77, 2] Generated Node #2: [87, 77, 2] from Operation: 66-64=2 Current State: 67:[87, 77, 2], Operations: ['66-64=2'] Exploring Operation: 77*2=154, Resulting Numbers: [87, 154] Generated Node #3: [87, 154] from Operation: 77*2=154 Current State: 67:[87, 154], Operations: ['66-64=2', '77*2=154'] Exploring Operation: 154-87=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[87, 66, 64, 77], Operations: [] Exploring Operation: 87-64=23, Resulting Numbers: [66, 77, 23] Generated Node #0,0: 67:[66, 77, 23] Operation: 87-64=23 Exploring Operation: 87-66=21, Resulting Numbers: [64, 77, 21] Generated Node #0,1: 67:[64, 77, 21] Operation: 87-66=21 Exploring Operation: 77-66=11, Resulting Numbers: [87, 64, 11] Generated Node #0,2: 67:[87, 64, 11] Operation: 77-66=11 Exploring Operation: 77-64=13, Resulting Numbers: [87, 66, 13] Generated Node #0,3: 67:[87, 66, 13] Operation: 77-64=13 Exploring Operation: 87-77=10, Resulting Numbers: [66, 64, 10] Generated Node #0,4: 67:[66, 64, 10] Operation: 87-77=10 Moving to Node #0,0 Current State: 67:[66, 77, 23], Operations: ['87-64=23'] Exploring Operation: 77+23=100, Resulting Numbers: [66, 100] Generated Node #0,0,0: 67:[66, 100] Operation: 77+23=100 Exploring Operation: 77-66=11, Resulting Numbers: [23, 11] Generated Node #0,0,1: 67:[23, 11] Operation: 77-66=11 Exploring Operation: 66-23=43, Resulting Numbers: [77, 43] Generated Node #0,0,2: 67:[77, 43] Operation: 66-23=43 Exploring Operation: 66+23=89, Resulting Numbers: [77, 89] Generated Node #0,0,3: 67:[77, 89] Operation: 66+23=89 Exploring Operation: 77-23=54, Resulting Numbers: [66, 54] Generated Node #0,0,4: 67:[66, 54] Operation: 77-23=54 Moving to Node #0,1 Current State: 67:[64, 77, 21], Operations: ['87-66=21'] Exploring Operation: 77+21=98, Resulting Numbers: [64, 98] Generated Node #0,1,0: 67:[64, 98] Operation: 77+21=98 Exploring Operation: 77-64=13, Resulting Numbers: [21, 13] Generated Node #0,1,1: 67:[21, 13] Operation: 77-64=13 Exploring Operation: 77-21=56, Resulting Numbers: [64, 56] Generated Node #0,1,2: 67:[64, 56] Operation: 77-21=56 Exploring Operation: 64+21=85, Resulting Numbers: [77, 85] Generated Node #0,1,3: 67:[77, 85] Operation: 64+21=85 Exploring Operation: 64-21=43, Resulting Numbers: [77, 43] Generated Node #0,1,4: 67:[77, 43] Operation: 64-21=43 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 67:[64, 56], Operations: ['87-66=21', '77-21=56'] Exploring Operation: 64-56=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 64*56=3584, Resulting Numbers: [3584] 3584,67 unequal: No Solution Exploring Operation: 64+56=120, Resulting Numbers: [120] 120,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 67:[77, 85], Operations: ['87-66=21', '64+21=85'] Exploring Operation: 85-77=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 77*85=6545, Resulting Numbers: [6545] 6545,67 unequal: No Solution Exploring Operation: 77+85=162, Resulting Numbers: [162] 162,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[64, 98], Operations: ['87-66=21', '77+21=98'] Exploring Operation: 98-64=34, Resulting Numbers: [34] 34,67 unequal: No Solution Exploring Operation: 64+98=162, Resulting Numbers: [162] 162,67 unequal: No Solution Exploring Operation: 64*98=6272, Resulting Numbers: [6272] 6272,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 67:[77, 43], Operations: ['87-66=21', '64-21=43'] Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,67 unequal: No Solution Exploring Operation: 77*43=3311, Resulting Numbers: [3311] 3311,67 unequal: No Solution Exploring Operation: 77+43=120, Resulting Numbers: [120] 120,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[21, 13], Operations: ['87-66=21', '77-64=13'] Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 21*13=273, Resulting Numbers: [273] 273,67 unequal: No Solution Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,67 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: 67:[66, 64, 10], Operations: ['87-77=10'] Exploring Operation: 66+64=130, Resulting Numbers: [10, 130] Generated Node #0,4,0: 67:[10, 130] Operation: 66+64=130 Exploring Operation: 66-10=56, Resulting Numbers: [64, 56] Generated Node #0,4,1: 67:[64, 56] Operation: 66-10=56 Exploring Operation: 64+10=74, Resulting Numbers: [66, 74] Generated Node #0,4,2: 67:[66, 74] Operation: 64+10=74 Exploring Operation: 66+10=76, Resulting Numbers: [64, 76] Generated Node #0,4,3: 67:[64, 76] Operation: 66+10=76 Exploring Operation: 64-10=54, Resulting Numbers: [66, 54] Generated Node #0,4,4: 67:[66, 54] Operation: 64-10=54 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 67:[66, 74], Operations: ['87-77=10', '64+10=74'] Exploring Operation: 66+74=140, Resulting Numbers: [140] 140,67 unequal: No Solution Exploring Operation: 66*74=4884, Resulting Numbers: [4884] 4884,67 unequal: No Solution Exploring Operation: 74-66=8, Resulting Numbers: [8] 8,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 67:[64, 76], Operations: ['87-77=10', '66+10=76'] Exploring Operation: 64*76=4864, Resulting Numbers: [4864] 4864,67 unequal: No Solution Exploring Operation: 76-64=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 64+76=140, Resulting Numbers: [140] 140,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 67:[64, 56], Operations: ['87-77=10', '66-10=56'] Exploring Operation: 64+56=120, Resulting Numbers: [120] 120,67 unequal: No Solution Exploring Operation: 64-56=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 64*56=3584, Resulting Numbers: [3584] 3584,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 67:[66, 54], Operations: ['87-77=10', '64-10=54'] Exploring Operation: 66*54=3564, Resulting Numbers: [3564] 3564,67 unequal: No Solution Exploring Operation: 66-54=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 66+54=120, Resulting Numbers: [120] 120,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 67:[10, 130], Operations: ['87-77=10', '66+64=130'] Exploring Operation: 10+130=140, Resulting Numbers: [140] 140,67 unequal: No Solution Exploring Operation: 10*130=1300, Resulting Numbers: [1300] 1300,67 unequal: No Solution Exploring Operation: 130-10=120, Resulting Numbers: [120] 120,67 unequal: No Solution Exploring Operation: 130/10=13, Resulting Numbers: [13] 13,67 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: 67:[87, 66, 13], Operations: ['77-64=13'] Exploring Operation: 87-13=74, Resulting Numbers: [66, 74] Generated Node #0,3,0: 67:[66, 74] Operation: 87-13=74 Exploring Operation: 66+13=79, Resulting Numbers: [87, 79] Generated Node #0,3,1: 67:[87, 79] Operation: 66+13=79 Exploring Operation: 87+13=100, Resulting Numbers: [66, 100] Generated Node #0,3,2: 67:[66, 100] Operation: 87+13=100 Exploring Operation: 66-13=53, Resulting Numbers: [87, 53] Generated Node #0,3,3: 67:[87, 53] Operation: 66-13=53 Exploring Operation: 87-66=21, Resulting Numbers: [13, 21] Generated Node #0,3,4: 67:[13, 21] Operation: 87-66=21 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 67:[66, 74], Operations: ['77-64=13', '87-13=74'] Exploring Operation: 66*74=4884, Resulting Numbers: [4884] 4884,67 unequal: No Solution Exploring Operation: 66+74=140, Resulting Numbers: [140] 140,67 unequal: No Solution Exploring Operation: 74-66=8, Resulting Numbers: [8] 8,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 67:[87, 79], Operations: ['77-64=13', '66+13=79'] Exploring Operation: 87+79=166, Resulting Numbers: [166] 166,67 unequal: No Solution Exploring Operation: 87*79=6873, Resulting Numbers: [6873] 6873,67 unequal: No Solution Exploring Operation: 87-79=8, Resulting Numbers: [8] 8,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 67:[66, 100], Operations: ['77-64=13', '87+13=100'] Exploring Operation: 100-66=34, Resulting Numbers: [34] 34,67 unequal: No Solution Exploring Operation: 66*100=6600, Resulting Numbers: [6600] 6600,67 unequal: No Solution Exploring Operation: 66+100=166, Resulting Numbers: [166] 166,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 67:[87, 53], Operations: ['77-64=13', '66-13=53'] Exploring Operation: 87+53=140, Resulting Numbers: [140] 140,67 unequal: No Solution Exploring Operation: 87*53=4611, Resulting Numbers: [4611] 4611,67 unequal: No Solution Exploring Operation: 87-53=34, Resulting Numbers: [34] 34,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 67:[13, 21], Operations: ['77-64=13', '87-66=21'] Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 13*21=273, Resulting Numbers: [273] 273,67 unequal: No Solution Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 67:[87, 64, 11], Operations: ['77-66=11'] Exploring Operation: 64-11=53, Resulting Numbers: [87, 53] Generated Node #0,2,0: 67:[87, 53] Operation: 64-11=53 Exploring Operation: 87+11=98, Resulting Numbers: [64, 98] Generated Node #0,2,1: 67:[64, 98] Operation: 87+11=98 Exploring Operation: 87-64=23, Resulting Numbers: [11, 23] Generated Node #0,2,2: 67:[11, 23] Operation: 87-64=23 Exploring Operation: 64+11=75, Resulting Numbers: [87, 75] Generated Node #0,2,3: 67:[87, 75] Operation: 64+11=75 Exploring Operation: 87-11=76, Resulting Numbers: [64, 76] Generated Node #0,2,4: 67:[64, 76] Operation: 87-11=76 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 67:[64, 76], Operations: ['77-66=11', '87-11=76'] Exploring Operation: 76-64=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 64+76=140, Resulting Numbers: [140] 140,67 unequal: No Solution Exploring Operation: 64*76=4864, Resulting Numbers: [4864] 4864,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 67:[87, 75], Operations: ['77-66=11', '64+11=75'] Exploring Operation: 87+75=162, Resulting Numbers: [162] 162,67 unequal: No Solution Exploring Operation: 87*75=6525, Resulting Numbers: [6525] 6525,67 unequal: No Solution Exploring Operation: 87-75=12, Resulting Numbers: [12] 12,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[87, 53], Operations: ['77-66=11', '64-11=53'] Exploring Operation: 87*53=4611, Resulting Numbers: [4611] 4611,67 unequal: No Solution Exploring Operation: 87+53=140, Resulting Numbers: [140] 140,67 unequal: No Solution Exploring Operation: 87-53=34, Resulting Numbers: [34] 34,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[64, 98], Operations: ['77-66=11', '87+11=98'] Exploring Operation: 64+98=162, Resulting Numbers: [162] 162,67 unequal: No Solution Exploring Operation: 64*98=6272, Resulting Numbers: [6272] 6272,67 unequal: No Solution Exploring Operation: 98-64=34, Resulting Numbers: [34] 34,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[11, 23], Operations: ['77-66=11', '87-64=23'] Exploring Operation: 11*23=253, Resulting Numbers: [253] 253,67 unequal: No Solution Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,67 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,4 Current State: 67:[66, 54], Operations: ['87-64=23', '77-23=54'] Exploring Operation: 66*54=3564, Resulting Numbers: [3564] 3564,67 unequal: No Solution Exploring Operation: 66-54=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 66+54=120, Resulting Numbers: [120] 120,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[77, 89], Operations: ['87-64=23', '66+23=89'] Exploring Operation: 89-77=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 77*89=6853, Resulting Numbers: [6853] 6853,67 unequal: No Solution Exploring Operation: 77+89=166, Resulting Numbers: [166] 166,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[66, 100], Operations: ['87-64=23', '77+23=100'] Exploring Operation: 100-66=34, Resulting Numbers: [34] 34,67 unequal: No Solution Exploring Operation: 66+100=166, Resulting Numbers: [166] 166,67 unequal: No Solution Exploring Operation: 66*100=6600, Resulting Numbers: [6600] 6600,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[77, 43], Operations: ['87-64=23', '66-23=43'] Exploring Operation: 77*43=3311, Resulting Numbers: [3311] 3311,67 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,67 unequal: No Solution Exploring Operation: 77+43=120, Resulting Numbers: [120] 120,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[23, 11], Operations: ['87-64=23', '77-66=11'] Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,67 unequal: No Solution Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,67 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,67 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 40, 2, 83, 59 ]
75
[ "83-40=43", "2*59=118", "118-43=75" ]
Current State: 75:[40, 2, 83, 59], Operations: [] Exploring Operation: 83-40=43, Resulting Numbers: [2, 59, 43] Generated Node #2: [2, 59, 43] from Operation: 83-40=43 Current State: 75:[2, 59, 43], Operations: ['83-40=43'] Exploring Operation: 2*59=118, Resulting Numbers: [43, 118] Generated Node #3: [43, 118] from Operation: 2*59=118 Current State: 75:[43, 118], Operations: ['83-40=43', '2*59=118'] Exploring Operation: 118-43=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[40, 2, 83, 59], Operations: [] Exploring Operation: 40*2=80, Resulting Numbers: [83, 59, 80] Generated Node #0,0: 75:[83, 59, 80] Operation: 40*2=80 Exploring Operation: 83-59=24, Resulting Numbers: [40, 2, 24] Generated Node #0,1: 75:[40, 2, 24] Operation: 83-59=24 Exploring Operation: 40/2=20, Resulting Numbers: [83, 59, 20] Generated Node #0,2: 75:[83, 59, 20] Operation: 40/2=20 Exploring Operation: 59-40=19, Resulting Numbers: [2, 83, 19] Generated Node #0,3: 75:[2, 83, 19] Operation: 59-40=19 Moving to Node #0,3 Current State: 75:[2, 83, 19], Operations: ['59-40=19'] Exploring Operation: 19-2=17, Resulting Numbers: [83, 17] Generated Node #0,3,0: 75:[83, 17] Operation: 19-2=17 Exploring Operation: 83-19=64, Resulting Numbers: [2, 64] Generated Node #0,3,1: 75:[2, 64] Operation: 83-19=64 Exploring Operation: 2+19=21, Resulting Numbers: [83, 21] Generated Node #0,3,2: 75:[83, 21] Operation: 2+19=21 Exploring Operation: 83-2=81, Resulting Numbers: [19, 81] Generated Node #0,3,3: 75:[19, 81] Operation: 83-2=81 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 75:[83, 17], Operations: ['59-40=19', '19-2=17'] Exploring Operation: 83*17=1411, Resulting Numbers: [1411] 1411,75 unequal: No Solution Exploring Operation: 83-17=66, Resulting Numbers: [66] 66,75 unequal: No Solution Exploring Operation: 83+17=100, Resulting Numbers: [100] 100,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 75:[19, 81], Operations: ['59-40=19', '83-2=81'] Exploring Operation: 19+81=100, Resulting Numbers: [100] 100,75 unequal: No Solution Exploring Operation: 19*81=1539, Resulting Numbers: [1539] 1539,75 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 75:[2, 64], Operations: ['59-40=19', '83-19=64'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 2*64=128, Resulting Numbers: [128] 128,75 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,75 unequal: No Solution Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 75:[83, 21], Operations: ['59-40=19', '2+19=21'] Exploring Operation: 83*21=1743, Resulting Numbers: [1743] 1743,75 unequal: No Solution Exploring Operation: 83-21=62, Resulting Numbers: [62] 62,75 unequal: No Solution Exploring Operation: 83+21=104, Resulting Numbers: [104] 104,75 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: 75:[40, 2, 24], Operations: ['83-59=24'] Exploring Operation: 40+24=64, Resulting Numbers: [2, 64] Generated Node #0,1,0: 75:[2, 64] Operation: 40+24=64 Exploring Operation: 40*2=80, Resulting Numbers: [24, 80] Generated Node #0,1,1: 75:[24, 80] Operation: 40*2=80 Exploring Operation: 40-24=16, Resulting Numbers: [2, 16] Generated Node #0,1,2: 75:[2, 16] Operation: 40-24=16 Exploring Operation: 40/2=20, Resulting Numbers: [24, 20] Generated Node #0,1,3: 75:[24, 20] Operation: 40/2=20 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[2, 16], Operations: ['83-59=24', '40-24=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[24, 80], Operations: ['83-59=24', '40*2=80'] Exploring Operation: 24+80=104, Resulting Numbers: [104] 104,75 unequal: No Solution Exploring Operation: 24*80=1920, Resulting Numbers: [1920] 1920,75 unequal: No Solution Exploring Operation: 80-24=56, Resulting Numbers: [56] 56,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 75:[24, 20], Operations: ['83-59=24', '40/2=20'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,75 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[2, 64], Operations: ['83-59=24', '40+24=64'] Exploring Operation: 2*64=128, Resulting Numbers: [128] 128,75 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,75 unequal: No Solution Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,75 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,75 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: 75:[83, 59, 20], Operations: ['40/2=20'] Exploring Operation: 83-59=24, Resulting Numbers: [20, 24] Generated Node #0,2,0: 75:[20, 24] Operation: 83-59=24 Exploring Operation: 59-20=39, Resulting Numbers: [83, 39] Generated Node #0,2,1: 75:[83, 39] Operation: 59-20=39 Exploring Operation: 83-20=63, Resulting Numbers: [59, 63] Generated Node #0,2,2: 75:[59, 63] Operation: 83-20=63 Exploring Operation: 59+20=79, Resulting Numbers: [83, 79] Generated Node #0,2,3: 75:[83, 79] Operation: 59+20=79 Moving to Node #0,0 Current State: 75:[83, 59, 80], Operations: ['40*2=80'] Exploring Operation: 83-80=3, Resulting Numbers: [59, 3] Generated Node #0,0,0: 75:[59, 3] Operation: 83-80=3 Exploring Operation: 80-59=21, Resulting Numbers: [83, 21] Generated Node #0,0,1: 75:[83, 21] Operation: 80-59=21 Exploring Operation: 83-59=24, Resulting Numbers: [80, 24] Generated Node #0,0,2: 75:[80, 24] Operation: 83-59=24 Exploring Operation: 83+59=142, Resulting Numbers: [80, 142] Generated Node #0,0,3: 75:[80, 142] Operation: 83+59=142 Moving to Node #0,2,0 Current State: 75:[20, 24], Operations: ['40/2=20', '83-59=24'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,75 unequal: No Solution Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[80, 24], Operations: ['40*2=80', '83-59=24'] Exploring Operation: 80+24=104, Resulting Numbers: [104] 104,75 unequal: No Solution Exploring Operation: 80*24=1920, Resulting Numbers: [1920] 1920,75 unequal: No Solution Exploring Operation: 80-24=56, Resulting Numbers: [56] 56,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[83, 21], Operations: ['40*2=80', '80-59=21'] Exploring Operation: 83+21=104, Resulting Numbers: [104] 104,75 unequal: No Solution Exploring Operation: 83*21=1743, Resulting Numbers: [1743] 1743,75 unequal: No Solution Exploring Operation: 83-21=62, Resulting Numbers: [62] 62,75 unequal: No Solution Moving to Node #0,2,3 Current State: 75:[83, 79], Operations: ['40/2=20', '59+20=79'] Exploring Operation: 83*79=6557, Resulting Numbers: [6557] 6557,75 unequal: No Solution Exploring Operation: 83-79=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 83+79=162, Resulting Numbers: [162] 162,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[59, 3], Operations: ['40*2=80', '83-80=3'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,75 unequal: No Solution Exploring Operation: 59*3=177, Resulting Numbers: [177] 177,75 unequal: No Solution Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[83, 39], Operations: ['40/2=20', '59-20=39'] Exploring Operation: 83-39=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 83*39=3237, Resulting Numbers: [3237] 3237,75 unequal: No Solution Exploring Operation: 83+39=122, Resulting Numbers: [122] 122,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[59, 63], Operations: ['40/2=20', '83-20=63'] Exploring Operation: 59+63=122, Resulting Numbers: [122] 122,75 unequal: No Solution Exploring Operation: 63-59=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 59*63=3717, Resulting Numbers: [3717] 3717,75 unequal: No Solution Moving to Node #0,0,3 Current State: 75:[80, 142], Operations: ['40*2=80', '83+59=142'] Exploring Operation: 80*142=11360, Resulting Numbers: [11360] 11360,75 unequal: No Solution Exploring Operation: 80+142=222, Resulting Numbers: [222] 222,75 unequal: No Solution Exploring Operation: 142-80=62, Resulting Numbers: [62] 62,75 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 57, 31, 62, 66 ]
84
[ "57+31=88", "66-62=4", "88-4=84" ]
Current State: 84:[57, 31, 62, 66], Operations: [] Exploring Operation: 57+31=88, Resulting Numbers: [62, 66, 88] Generated Node #2: [62, 66, 88] from Operation: 57+31=88 Current State: 84:[62, 66, 88], Operations: ['57+31=88'] Exploring Operation: 66-62=4, Resulting Numbers: [88, 4] Generated Node #3: [88, 4] from Operation: 66-62=4 Current State: 84:[88, 4], Operations: ['57+31=88', '66-62=4'] Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[57, 31, 62, 66], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [57, 66, 2] Generated Node #0,0: 84:[57, 66, 2] Operation: 62/31=2 Exploring Operation: 66-62=4, Resulting Numbers: [57, 31, 4] Generated Node #0,1: 84:[57, 31, 4] Operation: 66-62=4 Exploring Operation: 66-57=9, Resulting Numbers: [31, 62, 9] Generated Node #0,2: 84:[31, 62, 9] Operation: 66-57=9 Exploring Operation: 62-57=5, Resulting Numbers: [31, 66, 5] Generated Node #0,3: 84:[31, 66, 5] Operation: 62-57=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[57, 31, 4], Operations: ['66-62=4'] Exploring Operation: 57-31=26, Resulting Numbers: [4, 26] Generated Node #0,1,0: 84:[4, 26] Operation: 57-31=26 Exploring Operation: 57+31=88, Resulting Numbers: [4, 88] Generated Node #0,1,1: 84:[4, 88] Operation: 57+31=88 Exploring Operation: 31-4=27, Resulting Numbers: [57, 27] Generated Node #0,1,2: 84:[57, 27] Operation: 31-4=27 Exploring Operation: 57-4=53, Resulting Numbers: [31, 53] Generated Node #0,1,3: 84:[31, 53] Operation: 57-4=53 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 84:[4, 26], Operations: ['66-62=4', '57-31=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,84 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,84 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 84:[4, 88], Operations: ['66-62=4', '57+31=88'] Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[57, 31, 62, 66], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [57, 31, 4] Generated Node #0,1: 84:[57, 31, 4] Operation: 66-62=4 Moving to Node #0,1 Current State: 84:[57, 31, 4], Operations: ['66-62=4'] Exploring Operation: 57+31=88, Resulting Numbers: [4, 88] Generated Node #0,1,1: 84:[4, 88] Operation: 57+31=88 Moving to Node #0,1,1 Current State: 84:[4, 88], Operations: ['66-62=4', '57+31=88'] Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 12, 95, 32, 95 ]
45
[ "12+32=44", "95/95=1", "44+1=45" ]
Current State: 45:[12, 95, 32, 95], Operations: [] Exploring Operation: 12+32=44, Resulting Numbers: [95, 95, 44] Generated Node #2: [95, 95, 44] from Operation: 12+32=44 Current State: 45:[95, 95, 44], Operations: ['12+32=44'] Exploring Operation: 95/95=1, Resulting Numbers: [44, 1] Generated Node #3: [44, 1] from Operation: 95/95=1 Current State: 45:[44, 1], Operations: ['12+32=44', '95/95=1'] Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[12, 95, 32, 95], Operations: [] Exploring Operation: 95-95=0, Resulting Numbers: [12, 32, 0] Generated Node #0,0: 45:[12, 32, 0] Operation: 95-95=0 Exploring Operation: 95/95=1, Resulting Numbers: [12, 32, 1] Generated Node #0,1: 45:[12, 32, 1] Operation: 95/95=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[12, 32, 1], Operations: ['95/95=1'] Exploring Operation: 32-12=20, Resulting Numbers: [1, 20] Generated Node #0,1,0: 45:[1, 20] Operation: 32-12=20 Exploring Operation: 12+32=44, Resulting Numbers: [1, 44] Generated Node #0,1,1: 45:[1, 44] Operation: 12+32=44 Moving to Node #0,1,1 Current State: 45:[1, 44], Operations: ['95/95=1', '12+32=44'] Exploring Operation: 1+44=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[12, 95, 32, 95], Operations: [] Exploring Operation: 95/95=1, Resulting Numbers: [12, 32, 1] Generated Node #0,1: 45:[12, 32, 1] Operation: 95/95=1 Moving to Node #0,1 Current State: 45:[12, 32, 1], Operations: ['95/95=1'] Exploring Operation: 12+32=44, Resulting Numbers: [1, 44] Generated Node #0,1,1: 45:[1, 44] Operation: 12+32=44 Moving to Node #0,1,1 Current State: 45:[1, 44], Operations: ['95/95=1', '12+32=44'] Exploring Operation: 1+44=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 20, 2, 47, 34 ]
27
[ "20*2=40", "47-34=13", "40-13=27" ]
Current State: 27:[20, 2, 47, 34], Operations: [] Exploring Operation: 20*2=40, Resulting Numbers: [47, 34, 40] Generated Node #2: [47, 34, 40] from Operation: 20*2=40 Current State: 27:[47, 34, 40], Operations: ['20*2=40'] Exploring Operation: 47-34=13, Resulting Numbers: [40, 13] Generated Node #3: [40, 13] from Operation: 47-34=13 Current State: 27:[40, 13], Operations: ['20*2=40', '47-34=13'] Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[20, 2, 47, 34], Operations: [] Exploring Operation: 34-20=14, Resulting Numbers: [2, 47, 14] Generated Node #0,0: 27:[2, 47, 14] Operation: 34-20=14 Exploring Operation: 47-20=27, Resulting Numbers: [2, 34, 27] Generated Node #0,1: 27:[2, 34, 27] Operation: 47-20=27 Exploring Operation: 47-34=13, Resulting Numbers: [20, 2, 13] Generated Node #0,2: 27:[20, 2, 13] Operation: 47-34=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[2, 34, 27], Operations: ['47-20=27'] Exploring Operation: 34-2=32, Resulting Numbers: [27, 32] Generated Node #0,1,0: 27:[27, 32] Operation: 34-2=32 Exploring Operation: 34-27=7, Resulting Numbers: [2, 7] Generated Node #0,1,1: 27:[2, 7] Operation: 34-27=7 Exploring Operation: 34/2=17, Resulting Numbers: [27, 17] Generated Node #0,1,2: 27:[27, 17] Operation: 34/2=17 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[2, 7], Operations: ['47-20=27', '34-27=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,27 unequal: No Solution No 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: 27:[27, 32], Operations: ['47-20=27', '34-2=32'] Exploring Operation: 27+32=59, Resulting Numbers: [59] 59,27 unequal: No Solution Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 27*32=864, Resulting Numbers: [864] 864,27 unequal: No Solution No 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: 27:[27, 17], Operations: ['47-20=27', '34/2=17'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,27 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,27 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: 27:[20, 2, 13], Operations: ['47-34=13'] Exploring Operation: 20-13=7, Resulting Numbers: [2, 7] Generated Node #0,2,0: 27:[2, 7] Operation: 20-13=7 Exploring Operation: 20/2=10, Resulting Numbers: [13, 10] Generated Node #0,2,1: 27:[13, 10] Operation: 20/2=10 Exploring Operation: 20+13=33, Resulting Numbers: [2, 33] Generated Node #0,2,2: 27:[2, 33] Operation: 20+13=33 Moving to Node #0,2,0 Current State: 27:[2, 7], Operations: ['47-34=13', '20-13=7'] Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[13, 10], Operations: ['47-34=13', '20/2=10'] Exploring Operation: 13+10=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 13*10=130, Resulting Numbers: [130] 130,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[2, 33], Operations: ['47-34=13', '20+13=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,27 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,27 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[2, 47, 14], Operations: ['34-20=14'] Exploring Operation: 47-14=33, Resulting Numbers: [2, 33] Generated Node #0,0,0: 27:[2, 33] Operation: 47-14=33 Exploring Operation: 2*14=28, Resulting Numbers: [47, 28] Generated Node #0,0,1: 27:[47, 28] Operation: 2*14=28 Exploring Operation: 14/2=7, Resulting Numbers: [47, 7] Generated Node #0,0,2: 27:[47, 7] Operation: 14/2=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[2, 33], Operations: ['34-20=14', '47-14=33'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,27 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,27 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,27 unequal: No Solution No 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: 27:[47, 28], Operations: ['34-20=14', '2*14=28'] Exploring Operation: 47-28=19, Resulting Numbers: [19] 19,27 unequal: No Solution Exploring Operation: 47*28=1316, Resulting Numbers: [1316] 1316,27 unequal: No Solution Exploring Operation: 47+28=75, Resulting Numbers: [75] 75,27 unequal: No Solution No 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: 27:[47, 7], Operations: ['34-20=14', '14/2=7'] Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,27 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,27 unequal: No Solution Exploring Operation: 47*7=329, Resulting Numbers: [329] 329,27 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
[ 53, 45, 15, 91 ]
47
[ "15+91=106", "106/53=2", "45+2=47" ]
Current State: 47:[53, 45, 15, 91], Operations: [] Exploring Operation: 15+91=106, Resulting Numbers: [53, 45, 106] Generated Node #2: [53, 45, 106] from Operation: 15+91=106 Current State: 47:[53, 45, 106], Operations: ['15+91=106'] Exploring Operation: 106/53=2, Resulting Numbers: [45, 2] Generated Node #3: [45, 2] from Operation: 106/53=2 Current State: 47:[45, 2], Operations: ['15+91=106', '106/53=2'] Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[53, 45, 15, 91], Operations: [] Exploring Operation: 91-45=46, Resulting Numbers: [53, 15, 46] Generated Node #0,0: 47:[53, 15, 46] Operation: 91-45=46 Exploring Operation: 91-15=76, Resulting Numbers: [53, 45, 76] Generated Node #0,1: 47:[53, 45, 76] Operation: 91-15=76 Exploring Operation: 53-15=38, Resulting Numbers: [45, 91, 38] Generated Node #0,2: 47:[45, 91, 38] Operation: 53-15=38 Exploring Operation: 91-53=38, Resulting Numbers: [45, 15, 38] Generated Node #0,3: 47:[45, 15, 38] Operation: 91-53=38 Moving to Node #0,1 Current State: 47:[53, 45, 76], Operations: ['91-15=76'] Exploring Operation: 53-45=8, Resulting Numbers: [76, 8] Generated Node #0,1,0: 47:[76, 8] Operation: 53-45=8 Exploring Operation: 53+45=98, Resulting Numbers: [76, 98] Generated Node #0,1,1: 47:[76, 98] Operation: 53+45=98 Exploring Operation: 76-45=31, Resulting Numbers: [53, 31] Generated Node #0,1,2: 47:[53, 31] Operation: 76-45=31 Exploring Operation: 76-53=23, Resulting Numbers: [45, 23] Generated Node #0,1,3: 47:[45, 23] Operation: 76-53=23 Moving to Node #0,0 Current State: 47:[53, 15, 46], Operations: ['91-45=46'] Exploring Operation: 46-15=31, Resulting Numbers: [53, 31] Generated Node #0,0,0: 47:[53, 31] Operation: 46-15=31 Exploring Operation: 15+46=61, Resulting Numbers: [53, 61] Generated Node #0,0,1: 47:[53, 61] Operation: 15+46=61 Exploring Operation: 53+15=68, Resulting Numbers: [46, 68] Generated Node #0,0,2: 47:[46, 68] Operation: 53+15=68 Exploring Operation: 53-15=38, Resulting Numbers: [46, 38] Generated Node #0,0,3: 47:[46, 38] Operation: 53-15=38 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 47:[46, 38], Operations: ['91-45=46', '53-15=38'] Exploring Operation: 46*38=1748, Resulting Numbers: [1748] 1748,47 unequal: No Solution Exploring Operation: 46+38=84, Resulting Numbers: [84] 84,47 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[53, 61], Operations: ['91-45=46', '15+46=61'] Exploring Operation: 53+61=114, Resulting Numbers: [114] 114,47 unequal: No Solution Exploring Operation: 53*61=3233, Resulting Numbers: [3233] 3233,47 unequal: No Solution Exploring Operation: 61-53=8, Resulting Numbers: [8] 8,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[53, 31], Operations: ['91-45=46', '46-15=31'] Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 53*31=1643, Resulting Numbers: [1643] 1643,47 unequal: No Solution Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 47:[46, 68], Operations: ['91-45=46', '53+15=68'] Exploring Operation: 68-46=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 46*68=3128, Resulting Numbers: [3128] 3128,47 unequal: No Solution Exploring Operation: 46+68=114, Resulting Numbers: [114] 114,47 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: 47:[45, 15, 38], Operations: ['91-53=38'] Exploring Operation: 45-15=30, Resulting Numbers: [38, 30] Generated Node #0,3,0: 47:[38, 30] Operation: 45-15=30 Exploring Operation: 45+15=60, Resulting Numbers: [38, 60] Generated Node #0,3,1: 47:[38, 60] Operation: 45+15=60 Exploring Operation: 15+38=53, Resulting Numbers: [45, 53] Generated Node #0,3,2: 47:[45, 53] Operation: 15+38=53 Exploring Operation: 38-15=23, Resulting Numbers: [45, 23] Generated Node #0,3,3: 47:[45, 23] Operation: 38-15=23 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 47:[45, 53], Operations: ['91-53=38', '15+38=53'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,47 unequal: No Solution Exploring Operation: 45*53=2385, Resulting Numbers: [2385] 2385,47 unequal: No Solution Exploring Operation: 45+53=98, Resulting Numbers: [98] 98,47 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 #0,3,1 Current State: 47:[38, 60], Operations: ['91-53=38', '45+15=60'] Exploring Operation: 38*60=2280, Resulting Numbers: [2280] 2280,47 unequal: No Solution Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 38+60=98, Resulting Numbers: [98] 98,47 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 #0,3,0 Current State: 47:[38, 30], Operations: ['91-53=38', '45-15=30'] Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,47 unequal: No Solution Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,47 unequal: No Solution Exploring Operation: 38*30=1140, Resulting Numbers: [1140] 1140,47 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 #0,3,3 Current State: 47:[45, 23], Operations: ['91-53=38', '38-15=23'] Exploring Operation: 45*23=1035, Resulting Numbers: [1035] 1035,47 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 45+23=68, Resulting Numbers: [68] 68,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 47:[45, 91, 38], Operations: ['53-15=38'] Exploring Operation: 45+38=83, Resulting Numbers: [91, 83] Generated Node #0,2,0: 47:[91, 83] Operation: 45+38=83 Exploring Operation: 45-38=7, Resulting Numbers: [91, 7] Generated Node #0,2,1: 47:[91, 7] Operation: 45-38=7 Exploring Operation: 91-38=53, Resulting Numbers: [45, 53] Generated Node #0,2,2: 47:[45, 53] Operation: 91-38=53 Exploring Operation: 91-45=46, Resulting Numbers: [38, 46] Generated Node #0,2,3: 47:[38, 46] Operation: 91-45=46 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[45, 53], Operations: ['53-15=38', '91-38=53'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,47 unequal: No Solution Exploring Operation: 45*53=2385, Resulting Numbers: [2385] 2385,47 unequal: No Solution Exploring Operation: 45+53=98, Resulting Numbers: [98] 98,47 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:[38, 46], Operations: ['53-15=38', '91-45=46'] Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,47 unequal: No Solution Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,47 unequal: No Solution Exploring Operation: 38*46=1748, Resulting Numbers: [1748] 1748,47 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 #0,2,0 Current State: 47:[91, 83], Operations: ['53-15=38', '45+38=83'] Exploring Operation: 91+83=174, Resulting Numbers: [174] 174,47 unequal: No Solution Exploring Operation: 91*83=7553, Resulting Numbers: [7553] 7553,47 unequal: No Solution Exploring Operation: 91-83=8, Resulting Numbers: [8] 8,47 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:[91, 7], Operations: ['53-15=38', '45-38=7'] Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 91*7=637, Resulting Numbers: [637] 637,47 unequal: No Solution Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,47 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,47 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: 47:[53, 31], Operations: ['91-15=76', '76-45=31'] Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,47 unequal: No Solution Exploring Operation: 53*31=1643, Resulting Numbers: [1643] 1643,47 unequal: No Solution Moving to Node #0,1,3 Current State: 47:[45, 23], Operations: ['91-15=76', '76-53=23'] Exploring Operation: 45+23=68, Resulting Numbers: [68] 68,47 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 45*23=1035, Resulting Numbers: [1035] 1035,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[76, 8], Operations: ['91-15=76', '53-45=8'] Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,47 unequal: No Solution Exploring Operation: 76*8=608, Resulting Numbers: [608] 608,47 unequal: No Solution Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[76, 98], Operations: ['91-15=76', '53+45=98'] Exploring Operation: 76*98=7448, Resulting Numbers: [7448] 7448,47 unequal: No Solution Exploring Operation: 98-76=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 76+98=174, Resulting Numbers: [174] 174,47 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 8, 7, 49, 17 ]
66
[ "8-7=1", "49+17=66", "1*66=66" ]
Current State: 66:[8, 7, 49, 17], Operations: [] Exploring Operation: 8-7=1, Resulting Numbers: [49, 17, 1] Generated Node #2: [49, 17, 1] from Operation: 8-7=1 Current State: 66:[49, 17, 1], Operations: ['8-7=1'] Exploring Operation: 49+17=66, Resulting Numbers: [1, 66] Generated Node #3: [1, 66] from Operation: 49+17=66 Current State: 66:[1, 66], Operations: ['8-7=1', '49+17=66'] Exploring Operation: 1*66=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[8, 7, 49, 17], Operations: [] Exploring Operation: 49+17=66, Resulting Numbers: [8, 7, 66] Generated Node #0,0: 66:[8, 7, 66] Operation: 49+17=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[8, 7, 66], Operations: ['49+17=66'] Exploring Operation: 8-7=1, Resulting Numbers: [66, 1] Generated Node #0,0,0: 66:[66, 1] Operation: 8-7=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[66, 1], Operations: ['49+17=66', '8-7=1'] Exploring Operation: 66*1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[8, 7, 49, 17], Operations: [] Exploring Operation: 49+17=66, Resulting Numbers: [8, 7, 66] Generated Node #0,0: 66:[8, 7, 66] Operation: 49+17=66 Moving to Node #0,0 Current State: 66:[8, 7, 66], Operations: ['49+17=66'] Exploring Operation: 8-7=1, Resulting Numbers: [66, 1] Generated Node #0,0,0: 66:[66, 1] Operation: 8-7=1 Moving to Node #0,0,0 Current State: 66:[66, 1], Operations: ['49+17=66', '8-7=1'] Exploring Operation: 66*1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 84, 83, 69, 99 ]
85
[ "69+99=168", "168/84=2", "83+2=85" ]
Current State: 85:[84, 83, 69, 99], Operations: [] Exploring Operation: 69+99=168, Resulting Numbers: [84, 83, 168] Generated Node #2: [84, 83, 168] from Operation: 69+99=168 Current State: 85:[84, 83, 168], Operations: ['69+99=168'] Exploring Operation: 168/84=2, Resulting Numbers: [83, 2] Generated Node #3: [83, 2] from Operation: 168/84=2 Current State: 85:[83, 2], Operations: ['69+99=168', '168/84=2'] Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[84, 83, 69, 99], Operations: [] Exploring Operation: 84-69=15, Resulting Numbers: [83, 99, 15] Generated Node #0,0: 85:[83, 99, 15] Operation: 84-69=15 Exploring Operation: 99-83=16, Resulting Numbers: [84, 69, 16] Generated Node #0,1: 85:[84, 69, 16] Operation: 99-83=16 Exploring Operation: 83-69=14, Resulting Numbers: [84, 99, 14] Generated Node #0,2: 85:[84, 99, 14] Operation: 83-69=14 Exploring Operation: 99-69=30, Resulting Numbers: [84, 83, 30] Generated Node #0,3: 85:[84, 83, 30] Operation: 99-69=30 Start Sub Search at level 1: Moving to Node #0,3 Current State: 85:[84, 83, 30], Operations: ['99-69=30'] Exploring Operation: 84-83=1, Resulting Numbers: [30, 1] Generated Node #0,3,0: 85:[30, 1] Operation: 84-83=1 Exploring Operation: 84-30=54, Resulting Numbers: [83, 54] Generated Node #0,3,1: 85:[83, 54] Operation: 84-30=54 Exploring Operation: 83+30=113, Resulting Numbers: [84, 113] Generated Node #0,3,2: 85:[84, 113] Operation: 83+30=113 Exploring Operation: 84+30=114, Resulting Numbers: [83, 114] Generated Node #0,3,3: 85:[83, 114] Operation: 84+30=114 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 85:[30, 1], Operations: ['99-69=30', '84-83=1'] Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,85 unequal: No Solution Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,85 unequal: No Solution Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,85 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 #0,3,2 Current State: 85:[84, 113], Operations: ['99-69=30', '83+30=113'] Exploring Operation: 113-84=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 84*113=9492, Resulting Numbers: [9492] 9492,85 unequal: No Solution Exploring Operation: 84+113=197, Resulting Numbers: [197] 197,85 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 #0,3,3 Current State: 85:[83, 114], Operations: ['99-69=30', '84+30=114'] Exploring Operation: 83*114=9462, Resulting Numbers: [9462] 9462,85 unequal: No Solution Exploring Operation: 83+114=197, Resulting Numbers: [197] 197,85 unequal: No Solution Exploring Operation: 114-83=31, Resulting Numbers: [31] 31,85 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 #0,3,1 Current State: 85:[83, 54], Operations: ['99-69=30', '84-30=54'] Exploring Operation: 83+54=137, Resulting Numbers: [137] 137,85 unequal: No Solution Exploring Operation: 83-54=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 83*54=4482, Resulting Numbers: [4482] 4482,85 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:[83, 99, 15], Operations: ['84-69=15'] Exploring Operation: 99-83=16, Resulting Numbers: [15, 16] Generated Node #0,0,0: 85:[15, 16] Operation: 99-83=16 Exploring Operation: 83-15=68, Resulting Numbers: [99, 68] Generated Node #0,0,1: 85:[99, 68] Operation: 83-15=68 Exploring Operation: 83+15=98, Resulting Numbers: [99, 98] Generated Node #0,0,2: 85:[99, 98] Operation: 83+15=98 Exploring Operation: 99-15=84, Resulting Numbers: [83, 84] Generated Node #0,0,3: 85:[83, 84] Operation: 99-15=84 Moving to Node #0,0,0 Current State: 85:[15, 16], Operations: ['84-69=15', '99-83=16'] Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,85 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,85 unequal: No Solution Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,85 unequal: No Solution Moving to Node #0,0,3 Current State: 85:[83, 84], Operations: ['84-69=15', '99-15=84'] Exploring Operation: 83*84=6972, Resulting Numbers: [6972] 6972,85 unequal: No Solution Exploring Operation: 83+84=167, Resulting Numbers: [167] 167,85 unequal: No Solution Exploring Operation: 84-83=1, Resulting Numbers: [1] 1,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[99, 98], Operations: ['84-69=15', '83+15=98'] Exploring Operation: 99-98=1, Resulting Numbers: [1] 1,85 unequal: No Solution Exploring Operation: 99*98=9702, Resulting Numbers: [9702] 9702,85 unequal: No Solution Exploring Operation: 99+98=197, Resulting Numbers: [197] 197,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[99, 68], Operations: ['84-69=15', '83-15=68'] Exploring Operation: 99*68=6732, Resulting Numbers: [6732] 6732,85 unequal: No Solution Exploring Operation: 99+68=167, Resulting Numbers: [167] 167,85 unequal: No Solution Exploring Operation: 99-68=31, Resulting Numbers: [31] 31,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[84, 69, 16], Operations: ['99-83=16'] Exploring Operation: 84-16=68, Resulting Numbers: [69, 68] Generated Node #0,1,0: 85:[69, 68] Operation: 84-16=68 Exploring Operation: 84-69=15, Resulting Numbers: [16, 15] Generated Node #0,1,1: 85:[16, 15] Operation: 84-69=15 Exploring Operation: 84+16=100, Resulting Numbers: [69, 100] Generated Node #0,1,2: 85:[69, 100] Operation: 84+16=100 Exploring Operation: 69+16=85, Resulting Numbers: [84, 85] Generated Node #0,1,3: 85:[84, 85] Operation: 69+16=85 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 85:[84, 85], Operations: ['99-83=16', '69+16=85'] Exploring Operation: 84*85=7140, Resulting Numbers: [7140] 7140,85 unequal: No Solution Exploring Operation: 85-84=1, Resulting Numbers: [1] 1,85 unequal: No Solution Exploring Operation: 84+85=169, Resulting Numbers: [169] 169,85 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:[16, 15], Operations: ['99-83=16', '84-69=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,85 unequal: No Solution Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,85 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,85 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 #0,1,2 Current State: 85:[69, 100], Operations: ['99-83=16', '84+16=100'] Exploring Operation: 100-69=31, Resulting Numbers: [31] 31,85 unequal: No Solution Exploring Operation: 69+100=169, Resulting Numbers: [169] 169,85 unequal: No Solution Exploring Operation: 69*100=6900, Resulting Numbers: [6900] 6900,85 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 #0,1,0 Current State: 85:[69, 68], Operations: ['99-83=16', '84-16=68'] Exploring Operation: 69+68=137, Resulting Numbers: [137] 137,85 unequal: No Solution Exploring Operation: 69*68=4692, Resulting Numbers: [4692] 4692,85 unequal: No Solution Exploring Operation: 69-68=1, Resulting Numbers: [1] 1,85 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 #0,2 Current State: 85:[84, 99, 14], Operations: ['83-69=14'] Exploring Operation: 84/14=6, Resulting Numbers: [99, 6] Generated Node #0,2,0: 85:[99, 6] Operation: 84/14=6 Exploring Operation: 99-84=15, Resulting Numbers: [14, 15] Generated Node #0,2,1: 85:[14, 15] Operation: 99-84=15 Exploring Operation: 99-14=85, Resulting Numbers: [84, 85] Generated Node #0,2,2: 85:[84, 85] Operation: 99-14=85 Exploring Operation: 84+14=98, Resulting Numbers: [99, 98] Generated Node #0,2,3: 85:[99, 98] Operation: 84+14=98 Moving to Node #0,2,2 Current State: 85:[84, 85], Operations: ['83-69=14', '99-14=85'] Exploring Operation: 85-84=1, Resulting Numbers: [1] 1,85 unequal: No Solution Exploring Operation: 84*85=7140, Resulting Numbers: [7140] 7140,85 unequal: No Solution Exploring Operation: 84+85=169, Resulting Numbers: [169] 169,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[14, 15], Operations: ['83-69=14', '99-84=15'] Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,85 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,85 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[99, 6], Operations: ['83-69=14', '84/14=6'] Exploring Operation: 99+6=105, Resulting Numbers: [105] 105,85 unequal: No Solution Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,85 unequal: No Solution Exploring Operation: 99*6=594, Resulting Numbers: [594] 594,85 unequal: No Solution Moving to Node #0,2,3 Current State: 85:[99, 98], Operations: ['83-69=14', '84+14=98'] Exploring Operation: 99+98=197, Resulting Numbers: [197] 197,85 unequal: No Solution Exploring Operation: 99*98=9702, Resulting Numbers: [9702] 9702,85 unequal: No Solution Exploring Operation: 99-98=1, Resulting Numbers: [1] 1,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 24, 37, 64, 38 ]
89
[ "37-24=13", "64+38=102", "102-13=89" ]
Current State: 89:[24, 37, 64, 38], Operations: [] Exploring Operation: 37-24=13, Resulting Numbers: [64, 38, 13] Generated Node #2: [64, 38, 13] from Operation: 37-24=13 Current State: 89:[64, 38, 13], Operations: ['37-24=13'] Exploring Operation: 64+38=102, Resulting Numbers: [13, 102] Generated Node #3: [13, 102] from Operation: 64+38=102 Current State: 89:[13, 102], Operations: ['37-24=13', '64+38=102'] Exploring Operation: 102-13=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[24, 37, 64, 38], Operations: [] Exploring Operation: 24+37=61, Resulting Numbers: [64, 38, 61] Generated Node #0,0: 89:[64, 38, 61] Operation: 24+37=61 Exploring Operation: 37+38=75, Resulting Numbers: [24, 64, 75] Generated Node #0,1: 89:[24, 64, 75] Operation: 37+38=75 Exploring Operation: 24+38=62, Resulting Numbers: [37, 64, 62] Generated Node #0,2: 89:[37, 64, 62] Operation: 24+38=62 Exploring Operation: 24+64=88, Resulting Numbers: [37, 38, 88] Generated Node #0,3: 89:[37, 38, 88] Operation: 24+64=88 Moving to Node #0,0 Current State: 89:[64, 38, 61], Operations: ['24+37=61'] Exploring Operation: 64+61=125, Resulting Numbers: [38, 125] Generated Node #0,0,0: 89:[38, 125] Operation: 64+61=125 Exploring Operation: 38+61=99, Resulting Numbers: [64, 99] Generated Node #0,0,1: 89:[64, 99] Operation: 38+61=99 Exploring Operation: 64+38=102, Resulting Numbers: [61, 102] Generated Node #0,0,2: 89:[61, 102] Operation: 64+38=102 Exploring Operation: 64-38=26, Resulting Numbers: [61, 26] Generated Node #0,0,3: 89:[61, 26] Operation: 64-38=26 Moving to Node #0,2 Current State: 89:[37, 64, 62], Operations: ['24+38=62'] Exploring Operation: 62-37=25, Resulting Numbers: [64, 25] Generated Node #0,2,0: 89:[64, 25] Operation: 62-37=25 Exploring Operation: 37+64=101, Resulting Numbers: [62, 101] Generated Node #0,2,1: 89:[62, 101] Operation: 37+64=101 Exploring Operation: 64-37=27, Resulting Numbers: [62, 27] Generated Node #0,2,2: 89:[62, 27] Operation: 64-37=27 Exploring Operation: 37+62=99, Resulting Numbers: [64, 99] Generated Node #0,2,3: 89:[64, 99] Operation: 37+62=99 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 89:[64, 99], Operations: ['24+38=62', '37+62=99'] Exploring Operation: 99-64=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 64*99=6336, Resulting Numbers: [6336] 6336,89 unequal: No Solution Exploring Operation: 64+99=163, Resulting Numbers: [163] 163,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[62, 101], Operations: ['24+38=62', '37+64=101'] Exploring Operation: 62+101=163, Resulting Numbers: [163] 163,89 unequal: No Solution Exploring Operation: 62*101=6262, Resulting Numbers: [6262] 6262,89 unequal: No Solution Exploring Operation: 101-62=39, Resulting Numbers: [39] 39,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[64, 25], Operations: ['24+38=62', '62-37=25'] Exploring Operation: 64-25=39, Resulting Numbers: [39] 39,89 unequal: No Solution Exploring Operation: 64+25=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[24, 37, 64, 38], Operations: [] Exploring Operation: 24+38=62, Resulting Numbers: [37, 64, 62] Generated Node #0,2: 89:[37, 64, 62] Operation: 24+38=62 Moving to Node #0,2 Current State: 89:[37, 64, 62], Operations: ['24+38=62'] Exploring Operation: 62-37=25, Resulting Numbers: [64, 25] Generated Node #0,2,0: 89:[64, 25] Operation: 62-37=25 Moving to Node #0,2,0 Current State: 89:[64, 25], Operations: ['24+38=62', '62-37=25'] Exploring Operation: 64+25=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 61, 93, 43, 31 ]
15
[ "61-43=18", "93/31=3", "18-3=15" ]
Current State: 15:[61, 93, 43, 31], Operations: [] Exploring Operation: 61-43=18, Resulting Numbers: [93, 31, 18] Generated Node #2: [93, 31, 18] from Operation: 61-43=18 Current State: 15:[93, 31, 18], Operations: ['61-43=18'] Exploring Operation: 93/31=3, Resulting Numbers: [18, 3] Generated Node #3: [18, 3] from Operation: 93/31=3 Current State: 15:[18, 3], Operations: ['61-43=18', '93/31=3'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[61, 93, 43, 31], Operations: [] Exploring Operation: 93/31=3, Resulting Numbers: [61, 43, 3] Generated Node #0,0: 15:[61, 43, 3] Operation: 93/31=3 Exploring Operation: 61-43=18, Resulting Numbers: [93, 31, 18] Generated Node #0,1: 15:[93, 31, 18] Operation: 61-43=18 Exploring Operation: 93-61=32, Resulting Numbers: [43, 31, 32] Generated Node #0,2: 15:[43, 31, 32] Operation: 93-61=32 Moving to Node #0,2 Current State: 15:[43, 31, 32], Operations: ['93-61=32'] Exploring Operation: 43-32=11, Resulting Numbers: [31, 11] Generated Node #0,2,0: 15:[31, 11] Operation: 43-32=11 Exploring Operation: 32-31=1, Resulting Numbers: [43, 1] Generated Node #0,2,1: 15:[43, 1] Operation: 32-31=1 Exploring Operation: 43-31=12, Resulting Numbers: [32, 12] Generated Node #0,2,2: 15:[32, 12] Operation: 43-31=12 Moving to Node #0,0 Current State: 15:[61, 43, 3], Operations: ['93/31=3'] Exploring Operation: 61-3=58, Resulting Numbers: [43, 58] Generated Node #0,0,0: 15:[43, 58] Operation: 61-3=58 Exploring Operation: 43-3=40, Resulting Numbers: [61, 40] Generated Node #0,0,1: 15:[61, 40] Operation: 43-3=40 Exploring Operation: 61-43=18, Resulting Numbers: [3, 18] Generated Node #0,0,2: 15:[3, 18] Operation: 61-43=18 Moving to Node #0,1 Current State: 15:[93, 31, 18], Operations: ['61-43=18'] Exploring Operation: 93-31=62, Resulting Numbers: [18, 62] Generated Node #0,1,0: 15:[18, 62] Operation: 93-31=62 Exploring Operation: 93-18=75, Resulting Numbers: [31, 75] Generated Node #0,1,1: 15:[31, 75] Operation: 93-18=75 Exploring Operation: 93/31=3, Resulting Numbers: [18, 3] Generated Node #0,1,2: 15:[18, 3] Operation: 93/31=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 15:[18, 3], Operations: ['61-43=18', '93/31=3'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,15 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[61, 93, 43, 31], Operations: [] Exploring Operation: 61-43=18, Resulting Numbers: [93, 31, 18] Generated Node #0,1: 15:[93, 31, 18] Operation: 61-43=18 Moving to Node #0,1 Current State: 15:[93, 31, 18], Operations: ['61-43=18'] Exploring Operation: 93/31=3, Resulting Numbers: [18, 3] Generated Node #0,1,2: 15:[18, 3] Operation: 93/31=3 Moving to Node #0,1,2 Current State: 15:[18, 3], Operations: ['61-43=18', '93/31=3'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 4, 90, 40, 74 ]
81
[ "90+74=164", "164/4=41", "40+41=81" ]
Current State: 81:[4, 90, 40, 74], Operations: [] Exploring Operation: 90+74=164, Resulting Numbers: [4, 40, 164] Generated Node #2: [4, 40, 164] from Operation: 90+74=164 Current State: 81:[4, 40, 164], Operations: ['90+74=164'] Exploring Operation: 164/4=41, Resulting Numbers: [40, 41] Generated Node #3: [40, 41] from Operation: 164/4=41 Current State: 81:[40, 41], Operations: ['90+74=164', '164/4=41'] Exploring Operation: 40+41=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[4, 90, 40, 74], Operations: [] Exploring Operation: 40-4=36, Resulting Numbers: [90, 74, 36] Generated Node #0,0: 81:[90, 74, 36] Operation: 40-4=36 Exploring Operation: 40/4=10, Resulting Numbers: [90, 74, 10] Generated Node #0,1: 81:[90, 74, 10] Operation: 40/4=10 Exploring Operation: 90-74=16, Resulting Numbers: [4, 40, 16] Generated Node #0,2: 81:[4, 40, 16] Operation: 90-74=16 Exploring Operation: 90-4=86, Resulting Numbers: [40, 74, 86] Generated Node #0,3: 81:[40, 74, 86] Operation: 90-4=86 Exploring Operation: 74-40=34, Resulting Numbers: [4, 90, 34] Generated Node #0,4: 81:[4, 90, 34] Operation: 74-40=34 Moving to Node #0,1 Current State: 81:[90, 74, 10], Operations: ['40/4=10'] Exploring Operation: 90/10=9, Resulting Numbers: [74, 9] Generated Node #0,1,0: 81:[74, 9] Operation: 90/10=9 Exploring Operation: 90-10=80, Resulting Numbers: [74, 80] Generated Node #0,1,1: 81:[74, 80] Operation: 90-10=80 Exploring Operation: 90+10=100, Resulting Numbers: [74, 100] Generated Node #0,1,2: 81:[74, 100] Operation: 90+10=100 Exploring Operation: 90-74=16, Resulting Numbers: [10, 16] Generated Node #0,1,3: 81:[10, 16] Operation: 90-74=16 Exploring Operation: 74+10=84, Resulting Numbers: [90, 84] Generated Node #0,1,4: 81:[90, 84] Operation: 74+10=84 Moving to Node #0,4 Current State: 81:[4, 90, 34], Operations: ['74-40=34'] Exploring Operation: 90-34=56, Resulting Numbers: [4, 56] Generated Node #0,4,0: 81:[4, 56] Operation: 90-34=56 Exploring Operation: 4+90=94, Resulting Numbers: [34, 94] Generated Node #0,4,1: 81:[34, 94] Operation: 4+90=94 Exploring Operation: 90-4=86, Resulting Numbers: [34, 86] Generated Node #0,4,2: 81:[34, 86] Operation: 90-4=86 Exploring Operation: 4+34=38, Resulting Numbers: [90, 38] Generated Node #0,4,3: 81:[90, 38] Operation: 4+34=38 Exploring Operation: 34-4=30, Resulting Numbers: [90, 30] Generated Node #0,4,4: 81:[90, 30] Operation: 34-4=30 Moving to Node #0,2 Current State: 81:[4, 40, 16], Operations: ['90-74=16'] Exploring Operation: 40-16=24, Resulting Numbers: [4, 24] Generated Node #0,2,0: 81:[4, 24] Operation: 40-16=24 Exploring Operation: 40/4=10, Resulting Numbers: [16, 10] Generated Node #0,2,1: 81:[16, 10] Operation: 40/4=10 Exploring Operation: 40-4=36, Resulting Numbers: [16, 36] Generated Node #0,2,2: 81:[16, 36] Operation: 40-4=36 Exploring Operation: 16-4=12, Resulting Numbers: [40, 12] Generated Node #0,2,3: 81:[40, 12] Operation: 16-4=12 Exploring Operation: 16/4=4, Resulting Numbers: [40, 4] Generated Node #0,2,4: 81:[40, 4] Operation: 16/4=4 Moving to Node #0,0 Current State: 81:[90, 74, 36], Operations: ['40-4=36'] Exploring Operation: 90-36=54, Resulting Numbers: [74, 54] Generated Node #0,0,0: 81:[74, 54] Operation: 90-36=54 Exploring Operation: 74-36=38, Resulting Numbers: [90, 38] Generated Node #0,0,1: 81:[90, 38] Operation: 74-36=38 Exploring Operation: 90-74=16, Resulting Numbers: [36, 16] Generated Node #0,0,2: 81:[36, 16] Operation: 90-74=16 Exploring Operation: 74+36=110, Resulting Numbers: [90, 110] Generated Node #0,0,3: 81:[90, 110] Operation: 74+36=110 Exploring Operation: 90+36=126, Resulting Numbers: [74, 126] Generated Node #0,0,4: 81:[74, 126] Operation: 90+36=126 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[36, 16], Operations: ['40-4=36', '90-74=16'] Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 36+16=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 36*16=576, Resulting Numbers: [576] 576,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[90, 38], Operations: ['40-4=36', '74-36=38'] Exploring Operation: 90+38=128, Resulting Numbers: [128] 128,81 unequal: No Solution Exploring Operation: 90*38=3420, Resulting Numbers: [3420] 3420,81 unequal: No Solution Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[74, 54], Operations: ['40-4=36', '90-36=54'] Exploring Operation: 74-54=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 74+54=128, Resulting Numbers: [128] 128,81 unequal: No Solution Exploring Operation: 74*54=3996, Resulting Numbers: [3996] 3996,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 81:[90, 110], Operations: ['40-4=36', '74+36=110'] Exploring Operation: 90+110=200, Resulting Numbers: [200] 200,81 unequal: No Solution Exploring Operation: 110-90=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 90*110=9900, Resulting Numbers: [9900] 9900,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 81:[74, 126], Operations: ['40-4=36', '90+36=126'] Exploring Operation: 126-74=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 74+126=200, Resulting Numbers: [200] 200,81 unequal: No Solution Exploring Operation: 74*126=9324, Resulting Numbers: [9324] 9324,81 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: 81:[40, 74, 86], Operations: ['90-4=86'] Exploring Operation: 40+74=114, Resulting Numbers: [86, 114] Generated Node #0,3,0: 81:[86, 114] Operation: 40+74=114 Exploring Operation: 86-74=12, Resulting Numbers: [40, 12] Generated Node #0,3,1: 81:[40, 12] Operation: 86-74=12 Exploring Operation: 74-40=34, Resulting Numbers: [86, 34] Generated Node #0,3,2: 81:[86, 34] Operation: 74-40=34 Exploring Operation: 40+86=126, Resulting Numbers: [74, 126] Generated Node #0,3,3: 81:[74, 126] Operation: 40+86=126 Exploring Operation: 86-40=46, Resulting Numbers: [74, 46] Generated Node #0,3,4: 81:[74, 46] Operation: 86-40=46 Moving to Node #0,2,0 Current State: 81:[4, 24], Operations: ['90-74=16', '40-16=24'] Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,81 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[74, 9], Operations: ['40/4=10', '90/10=9'] Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,81 unequal: No Solution Exploring Operation: 74*9=666, Resulting Numbers: [666] 666,81 unequal: No Solution Exploring Operation: 74+9=83, Resulting Numbers: [83] 83,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[10, 16], Operations: ['40/4=10', '90-74=16'] Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,81 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,81 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[16, 10], Operations: ['90-74=16', '40/4=10'] Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,81 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,81 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[74, 80], Operations: ['40/4=10', '90-10=80'] Exploring Operation: 80-74=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 74*80=5920, Resulting Numbers: [5920] 5920,81 unequal: No Solution Exploring Operation: 74+80=154, Resulting Numbers: [154] 154,81 unequal: No Solution Moving to Node #0,4,4 Current State: 81:[90, 30], Operations: ['74-40=34', '34-4=30'] Exploring Operation: 90+30=120, Resulting Numbers: [120] 120,81 unequal: No Solution Exploring Operation: 90*30=2700, Resulting Numbers: [2700] 2700,81 unequal: No Solution Exploring Operation: 90/30=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 90-30=60, Resulting Numbers: [60] 60,81 unequal: No Solution Moving to Node #0,4,2 Current State: 81:[34, 86], Operations: ['74-40=34', '90-4=86'] Exploring Operation: 86-34=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 34*86=2924, Resulting Numbers: [2924] 2924,81 unequal: No Solution Exploring Operation: 34+86=120, Resulting Numbers: [120] 120,81 unequal: No Solution Moving to Node #0,1,4 Current State: 81:[90, 84], Operations: ['40/4=10', '74+10=84'] Exploring Operation: 90*84=7560, Resulting Numbers: [7560] 7560,81 unequal: No Solution Exploring Operation: 90-84=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 90+84=174, Resulting Numbers: [174] 174,81 unequal: No Solution Moving to Node #0,3,2 Current State: 81:[86, 34], Operations: ['90-4=86', '74-40=34'] Exploring Operation: 86*34=2924, Resulting Numbers: [2924] 2924,81 unequal: No Solution Exploring Operation: 86+34=120, Resulting Numbers: [120] 120,81 unequal: No Solution Exploring Operation: 86-34=52, Resulting Numbers: [52] 52,81 unequal: No Solution Moving to Node #0,2,4 Current State: 81:[40, 4], Operations: ['90-74=16', '16/4=4'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,81 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,81 unequal: No Solution Moving to Node #0,2,3 Current State: 81:[40, 12], Operations: ['90-74=16', '16-4=12'] Exploring Operation: 40+12=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 40*12=480, Resulting Numbers: [480] 480,81 unequal: No Solution Moving to Node #0,3,1 Current State: 81:[40, 12], Operations: ['90-4=86', '86-74=12'] Exploring Operation: 40+12=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 40*12=480, Resulting Numbers: [480] 480,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[16, 36], Operations: ['90-74=16', '40-4=36'] Exploring Operation: 16+36=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 16*36=576, Resulting Numbers: [576] 576,81 unequal: No Solution Moving to Node #0,4,1 Current State: 81:[34, 94], Operations: ['74-40=34', '4+90=94'] Exploring Operation: 34*94=3196, Resulting Numbers: [3196] 3196,81 unequal: No Solution Exploring Operation: 94-34=60, Resulting Numbers: [60] 60,81 unequal: No Solution Exploring Operation: 34+94=128, Resulting Numbers: [128] 128,81 unequal: No Solution Moving to Node #0,4,3 Current State: 81:[90, 38], Operations: ['74-40=34', '4+34=38'] Exploring Operation: 90*38=3420, Resulting Numbers: [3420] 3420,81 unequal: No Solution Exploring Operation: 90+38=128, Resulting Numbers: [128] 128,81 unequal: No Solution Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,81 unequal: No Solution Moving to Node #0,4,0 Current State: 81:[4, 56], Operations: ['74-40=34', '90-34=56'] Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,81 unequal: No Solution Exploring Operation: 4*56=224, Resulting Numbers: [224] 224,81 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[74, 100], Operations: ['40/4=10', '90+10=100'] Exploring Operation: 100-74=26, Resulting Numbers: [26] 26,81 unequal: No Solution Exploring Operation: 74*100=7400, Resulting Numbers: [7400] 7400,81 unequal: No Solution Exploring Operation: 74+100=174, Resulting Numbers: [174] 174,81 unequal: No Solution Moving to Node #0,3,4 Current State: 81:[74, 46], Operations: ['90-4=86', '86-40=46'] Exploring Operation: 74*46=3404, Resulting Numbers: [3404] 3404,81 unequal: No Solution Exploring Operation: 74+46=120, Resulting Numbers: [120] 120,81 unequal: No Solution Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,81 unequal: No Solution Moving to Node #0,3,0 Current State: 81:[86, 114], Operations: ['90-4=86', '40+74=114'] Exploring Operation: 86+114=200, Resulting Numbers: [200] 200,81 unequal: No Solution Exploring Operation: 86*114=9804, Resulting Numbers: [9804] 9804,81 unequal: No Solution Exploring Operation: 114-86=28, Resulting Numbers: [28] 28,81 unequal: No Solution Moving to Node #0,3,3 Current State: 81:[74, 126], Operations: ['90-4=86', '40+86=126'] Exploring Operation: 74*126=9324, Resulting Numbers: [9324] 9324,81 unequal: No Solution Exploring Operation: 126-74=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 74+126=200, Resulting Numbers: [200] 200,81 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 46, 3, 33, 31 ]
88
[ "46+31=77", "33/3=11", "77+11=88" ]
Current State: 88:[46, 3, 33, 31], Operations: [] Exploring Operation: 46+31=77, Resulting Numbers: [3, 33, 77] Generated Node #2: [3, 33, 77] from Operation: 46+31=77 Current State: 88:[3, 33, 77], Operations: ['46+31=77'] Exploring Operation: 33/3=11, Resulting Numbers: [77, 11] Generated Node #3: [77, 11] from Operation: 33/3=11 Current State: 88:[77, 11], Operations: ['46+31=77', '33/3=11'] Exploring Operation: 77+11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[46, 3, 33, 31], Operations: [] Exploring Operation: 33-31=2, Resulting Numbers: [46, 3, 2] Generated Node #0,0: 88:[46, 3, 2] Operation: 33-31=2 Exploring Operation: 33/3=11, Resulting Numbers: [46, 31, 11] Generated Node #0,1: 88:[46, 31, 11] Operation: 33/3=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[46, 3, 2], Operations: ['33-31=2'] Exploring Operation: 46-2=44, Resulting Numbers: [3, 44] Generated Node #0,0,0: 88:[3, 44] Operation: 46-2=44 Exploring Operation: 46-3=43, Resulting Numbers: [2, 43] Generated Node #0,0,1: 88:[2, 43] Operation: 46-3=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[3, 44], Operations: ['33-31=2', '46-2=44'] Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,88 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,88 unequal: No Solution No 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: 88:[2, 43], Operations: ['33-31=2', '46-3=43'] Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,88 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[46, 31, 11], Operations: ['33/3=11'] Exploring Operation: 46-31=15, Resulting Numbers: [11, 15] Generated Node #0,1,0: 88:[11, 15] Operation: 46-31=15 Exploring Operation: 31+11=42, Resulting Numbers: [46, 42] Generated Node #0,1,1: 88:[46, 42] Operation: 31+11=42 Moving to Node #0,1,0 Current State: 88:[11, 15], Operations: ['33/3=11', '46-31=15'] Exploring Operation: 11+15=26, Resulting Numbers: [26] 26,88 unequal: No Solution Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[46, 42], Operations: ['33/3=11', '31+11=42'] Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 46+42=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[46, 3, 33, 31], Operations: [] Exploring Operation: 33/3=11, Resulting Numbers: [46, 31, 11] Generated Node #0,1: 88:[46, 31, 11] Operation: 33/3=11 Moving to Node #0,1 Current State: 88:[46, 31, 11], Operations: ['33/3=11'] Exploring Operation: 31+11=42, Resulting Numbers: [46, 42] Generated Node #0,1,1: 88:[46, 42] Operation: 31+11=42 Moving to Node #0,1,1 Current State: 88:[46, 42], Operations: ['33/3=11', '31+11=42'] Exploring Operation: 46+42=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 11, 15, 45, 90 ]
49
[ "15-11=4", "90-45=45", "4+45=49" ]
Current State: 49:[11, 15, 45, 90], Operations: [] Exploring Operation: 15-11=4, Resulting Numbers: [45, 90, 4] Generated Node #2: [45, 90, 4] from Operation: 15-11=4 Current State: 49:[45, 90, 4], Operations: ['15-11=4'] Exploring Operation: 90-45=45, Resulting Numbers: [4, 45] Generated Node #3: [4, 45] from Operation: 90-45=45 Current State: 49:[4, 45], Operations: ['15-11=4', '90-45=45'] Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[11, 15, 45, 90], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [11, 45, 6] Generated Node #0,0: 49:[11, 45, 6] Operation: 90/15=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[11, 45, 6], Operations: ['90/15=6'] Exploring Operation: 11-6=5, Resulting Numbers: [45, 5] Generated Node #0,0,0: 49:[45, 5] Operation: 11-6=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[45, 5], Operations: ['90/15=6', '11-6=5'] Exploring Operation: 45+5=50, Resulting Numbers: [50] 50,49 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
[ 27, 50, 39, 12 ]
74
[ "50-27=23", "39+12=51", "23+51=74" ]
Current State: 74:[27, 50, 39, 12], Operations: [] Exploring Operation: 50-27=23, Resulting Numbers: [39, 12, 23] Generated Node #2: [39, 12, 23] from Operation: 50-27=23 Current State: 74:[39, 12, 23], Operations: ['50-27=23'] Exploring Operation: 39+12=51, Resulting Numbers: [23, 51] Generated Node #3: [23, 51] from Operation: 39+12=51 Current State: 74:[23, 51], Operations: ['50-27=23', '39+12=51'] Exploring Operation: 23+51=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[27, 50, 39, 12], Operations: [] Exploring Operation: 50-12=38, Resulting Numbers: [27, 39, 38] Generated Node #0,0: 74:[27, 39, 38] Operation: 50-12=38 Exploring Operation: 27+50=77, Resulting Numbers: [39, 12, 77] Generated Node #0,1: 74:[39, 12, 77] Operation: 27+50=77 Exploring Operation: 27+12=39, Resulting Numbers: [50, 39, 39] Generated Node #0,2: 74:[50, 39, 39] Operation: 27+12=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[27, 39, 38], Operations: ['50-12=38'] Exploring Operation: 27+39=66, Resulting Numbers: [38, 66] Generated Node #0,0,0: 74:[38, 66] Operation: 27+39=66 Exploring Operation: 27+38=65, Resulting Numbers: [39, 65] Generated Node #0,0,1: 74:[39, 65] Operation: 27+38=65 Exploring Operation: 39-27=12, Resulting Numbers: [38, 12] Generated Node #0,0,2: 74:[38, 12] Operation: 39-27=12 Moving to Node #0,0,0 Current State: 74:[38, 66], Operations: ['50-12=38', '27+39=66'] Exploring Operation: 38*66=2508, Resulting Numbers: [2508] 2508,74 unequal: No Solution Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,74 unequal: No Solution Exploring Operation: 38+66=104, Resulting Numbers: [104] 104,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[39, 65], Operations: ['50-12=38', '27+38=65'] Exploring Operation: 39*65=2535, Resulting Numbers: [2535] 2535,74 unequal: No Solution Exploring Operation: 39+65=104, Resulting Numbers: [104] 104,74 unequal: No Solution Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,74 unequal: No Solution Moving to Node #0,0,2 Current State: 74:[38, 12], Operations: ['50-12=38', '39-27=12'] Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[39, 12, 77], Operations: ['27+50=77'] Exploring Operation: 77-39=38, Resulting Numbers: [12, 38] Generated Node #0,1,0: 74:[12, 38] Operation: 77-39=38 Exploring Operation: 77-12=65, Resulting Numbers: [39, 65] Generated Node #0,1,1: 74:[39, 65] Operation: 77-12=65 Exploring Operation: 39-12=27, Resulting Numbers: [77, 27] Generated Node #0,1,2: 74:[77, 27] Operation: 39-12=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 74:[12, 38], Operations: ['27+50=77', '77-39=38'] Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 12*38=456, Resulting Numbers: [456] 456,74 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 74:[39, 65], Operations: ['27+50=77', '77-12=65'] Exploring Operation: 39+65=104, Resulting Numbers: [104] 104,74 unequal: No Solution Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 39*65=2535, Resulting Numbers: [2535] 2535,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 74:[77, 27], Operations: ['27+50=77', '39-12=27'] Exploring Operation: 77+27=104, Resulting Numbers: [104] 104,74 unequal: No Solution Exploring Operation: 77*27=2079, Resulting Numbers: [2079] 2079,74 unequal: No Solution Exploring Operation: 77-27=50, Resulting Numbers: [50] 50,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 74:[50, 39, 39], Operations: ['27+12=39'] Exploring Operation: 50-39=11, Resulting Numbers: [39, 11] Generated Node #0,2,0: 74:[39, 11] Operation: 50-39=11 Exploring Operation: 39/39=1, Resulting Numbers: [50, 1] Generated Node #0,2,1: 74:[50, 1] Operation: 39/39=1 Exploring Operation: 50-39=11, Resulting Numbers: [39, 11] Generated Node #0,2,2: 74:[39, 11] Operation: 50-39=11 Moving to Node #0,2,0 Current State: 74:[39, 11], Operations: ['27+12=39', '50-39=11'] Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,74 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,74 unequal: No Solution Moving to Node #0,2,2 Current State: 74:[39, 11], Operations: ['27+12=39', '50-39=11'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,74 unequal: No Solution Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,74 unequal: No Solution Moving to Node #0,2,1 Current State: 74:[50, 1], Operations: ['27+12=39', '39/39=1'] Exploring Operation: 50/1=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,74 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
[ 63, 8, 45, 72 ]
28
[ "63-8=55", "72-45=27", "55-27=28" ]
Current State: 28:[63, 8, 45, 72], Operations: [] Exploring Operation: 63-8=55, Resulting Numbers: [45, 72, 55] Generated Node #2: [45, 72, 55] from Operation: 63-8=55 Current State: 28:[45, 72, 55], Operations: ['63-8=55'] Exploring Operation: 72-45=27, Resulting Numbers: [55, 27] Generated Node #3: [55, 27] from Operation: 72-45=27 Current State: 28:[55, 27], Operations: ['63-8=55', '72-45=27'] Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[63, 8, 45, 72], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [8, 45, 9] Generated Node #0,0: 28:[8, 45, 9] Operation: 72-63=9 Exploring Operation: 72/8=9, Resulting Numbers: [63, 45, 9] Generated Node #0,1: 28:[63, 45, 9] Operation: 72/8=9 Exploring Operation: 63-45=18, Resulting Numbers: [8, 72, 18] Generated Node #0,2: 28:[8, 72, 18] Operation: 63-45=18 Exploring Operation: 72-45=27, Resulting Numbers: [63, 8, 27] Generated Node #0,3: 28:[63, 8, 27] Operation: 72-45=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[8, 45, 9], Operations: ['72-63=9'] Exploring Operation: 9-8=1, Resulting Numbers: [45, 1] Generated Node #0,0,0: 28:[45, 1] Operation: 9-8=1 Exploring Operation: 45-8=37, Resulting Numbers: [9, 37] Generated Node #0,0,1: 28:[9, 37] Operation: 45-8=37 Exploring Operation: 45/9=5, Resulting Numbers: [8, 5] Generated Node #0,0,2: 28:[8, 5] Operation: 45/9=5 Exploring Operation: 45-9=36, Resulting Numbers: [8, 36] Generated Node #0,0,3: 28:[8, 36] Operation: 45-9=36 Moving to Node #0,0,2 Current State: 28:[8, 5], Operations: ['72-63=9', '45/9=5'] Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,28 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[8, 36], Operations: ['72-63=9', '45-9=36'] Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,28 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,28 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[63, 8, 45, 72], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [8, 45, 9] Generated Node #0,0: 28:[8, 45, 9] Operation: 72-63=9 Moving to Node #0,0 Current State: 28:[8, 45, 9], Operations: ['72-63=9'] Exploring Operation: 45-9=36, Resulting Numbers: [8, 36] Generated Node #0,0,3: 28:[8, 36] Operation: 45-9=36 Moving to Node #0,0,3 Current State: 28:[8, 36], Operations: ['72-63=9', '45-9=36'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 33, 20, 77, 18 ]
99
[ "33+77=110", "18*110=1980", "1980/20=99" ]
Current State: 99:[33, 20, 77, 18], Operations: [] Exploring Operation: 33+77=110, Resulting Numbers: [20, 18, 110] Generated Node #2: [20, 18, 110] from Operation: 33+77=110 Current State: 99:[20, 18, 110], Operations: ['33+77=110'] Exploring Operation: 18*110=1980, Resulting Numbers: [20, 1980] Generated Node #3: [20, 1980] from Operation: 18*110=1980 Current State: 99:[20, 1980], Operations: ['33+77=110', '18*110=1980'] Exploring Operation: 1980/20=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[33, 20, 77, 18], Operations: [] Exploring Operation: 20+77=97, Resulting Numbers: [33, 18, 97] Generated Node #0,0: 99:[33, 18, 97] Operation: 20+77=97 Exploring Operation: 20-18=2, Resulting Numbers: [33, 77, 2] Generated Node #0,1: 99:[33, 77, 2] Operation: 20-18=2 Exploring Operation: 77+18=95, Resulting Numbers: [33, 20, 95] Generated Node #0,2: 99:[33, 20, 95] Operation: 77+18=95 Moving to Node #0,0 Current State: 99:[33, 18, 97], Operations: ['20+77=97'] Exploring Operation: 18+97=115, Resulting Numbers: [33, 115] Generated Node #0,0,0: 99:[33, 115] Operation: 18+97=115 Exploring Operation: 33-18=15, Resulting Numbers: [97, 15] Generated Node #0,0,1: 99:[97, 15] Operation: 33-18=15 Exploring Operation: 33+18=51, Resulting Numbers: [97, 51] Generated Node #0,0,2: 99:[97, 51] Operation: 33+18=51 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[97, 15], Operations: ['20+77=97', '33-18=15'] Exploring Operation: 97+15=112, Resulting Numbers: [112] 112,99 unequal: No Solution Exploring Operation: 97-15=82, Resulting Numbers: [82] 82,99 unequal: No Solution Exploring Operation: 97*15=1455, Resulting Numbers: [1455] 1455,99 unequal: No Solution No 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: 99:[33, 115], Operations: ['20+77=97', '18+97=115'] Exploring Operation: 115-33=82, Resulting Numbers: [82] 82,99 unequal: No Solution Exploring Operation: 33*115=3795, Resulting Numbers: [3795] 3795,99 unequal: No Solution Exploring Operation: 33+115=148, Resulting Numbers: [148] 148,99 unequal: No Solution No 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: 99:[97, 51], Operations: ['20+77=97', '33+18=51'] Exploring Operation: 97*51=4947, Resulting Numbers: [4947] 4947,99 unequal: No Solution Exploring Operation: 97+51=148, Resulting Numbers: [148] 148,99 unequal: No Solution Exploring Operation: 97-51=46, Resulting Numbers: [46] 46,99 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: 99:[33, 20, 95], Operations: ['77+18=95'] Exploring Operation: 33-20=13, Resulting Numbers: [95, 13] Generated Node #0,2,0: 99:[95, 13] Operation: 33-20=13 Exploring Operation: 20+95=115, Resulting Numbers: [33, 115] Generated Node #0,2,1: 99:[33, 115] Operation: 20+95=115 Exploring Operation: 33+20=53, Resulting Numbers: [95, 53] Generated Node #0,2,2: 99:[95, 53] Operation: 33+20=53 Moving to Node #0,1 Current State: 99:[33, 77, 2], Operations: ['20-18=2'] Exploring Operation: 77-33=44, Resulting Numbers: [2, 44] Generated Node #0,1,0: 99:[2, 44] Operation: 77-33=44 Exploring Operation: 77+2=79, Resulting Numbers: [33, 79] Generated Node #0,1,1: 99:[33, 79] Operation: 77+2=79 Exploring Operation: 33+77=110, Resulting Numbers: [2, 110] Generated Node #0,1,2: 99:[2, 110] Operation: 33+77=110 Moving to Node #0,2,0 Current State: 99:[95, 13], Operations: ['77+18=95', '33-20=13'] Exploring Operation: 95-13=82, Resulting Numbers: [82] 82,99 unequal: No Solution Exploring Operation: 95+13=108, Resulting Numbers: [108] 108,99 unequal: No Solution Exploring Operation: 95*13=1235, Resulting Numbers: [1235] 1235,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[2, 44], Operations: ['20-18=2', '77-33=44'] Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,99 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 2*44=88, Resulting Numbers: [88] 88,99 unequal: No Solution Moving to Node #0,1,2 Current State: 99:[2, 110], Operations: ['20-18=2', '33+77=110'] Exploring Operation: 110-2=108, Resulting Numbers: [108] 108,99 unequal: No Solution Exploring Operation: 110/2=55, Resulting Numbers: [55] 55,99 unequal: No Solution Exploring Operation: 2+110=112, Resulting Numbers: [112] 112,99 unequal: No Solution Moving to Node #0,2,1 Current State: 99:[33, 115], Operations: ['77+18=95', '20+95=115'] Exploring Operation: 115-33=82, Resulting Numbers: [82] 82,99 unequal: No Solution Exploring Operation: 33+115=148, Resulting Numbers: [148] 148,99 unequal: No Solution Exploring Operation: 33*115=3795, Resulting Numbers: [3795] 3795,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[33, 79], Operations: ['20-18=2', '77+2=79'] Exploring Operation: 33*79=2607, Resulting Numbers: [2607] 2607,99 unequal: No Solution Exploring Operation: 33+79=112, Resulting Numbers: [112] 112,99 unequal: No Solution Exploring Operation: 79-33=46, Resulting Numbers: [46] 46,99 unequal: No Solution Moving to Node #0,2,2 Current State: 99:[95, 53], Operations: ['77+18=95', '33+20=53'] Exploring Operation: 95+53=148, Resulting Numbers: [148] 148,99 unequal: No Solution Exploring Operation: 95-53=42, Resulting Numbers: [42] 42,99 unequal: No Solution Exploring Operation: 95*53=5035, Resulting Numbers: [5035] 5035,99 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 59, 2, 80, 81 ]
58
[ "59-2=57", "81-80=1", "57+1=58" ]
Current State: 58:[59, 2, 80, 81], Operations: [] Exploring Operation: 59-2=57, Resulting Numbers: [80, 81, 57] Generated Node #2: [80, 81, 57] from Operation: 59-2=57 Current State: 58:[80, 81, 57], Operations: ['59-2=57'] Exploring Operation: 81-80=1, Resulting Numbers: [57, 1] Generated Node #3: [57, 1] from Operation: 81-80=1 Current State: 58:[57, 1], Operations: ['59-2=57', '81-80=1'] Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[59, 2, 80, 81], Operations: [] Exploring Operation: 80-59=21, Resulting Numbers: [2, 81, 21] Generated Node #0,0: 58:[2, 81, 21] Operation: 80-59=21 Exploring Operation: 80-2=78, Resulting Numbers: [59, 81, 78] Generated Node #0,1: 58:[59, 81, 78] Operation: 80-2=78 Exploring Operation: 80/2=40, Resulting Numbers: [59, 81, 40] Generated Node #0,2: 58:[59, 81, 40] Operation: 80/2=40 Exploring Operation: 81-80=1, Resulting Numbers: [59, 2, 1] Generated Node #0,3: 58:[59, 2, 1] Operation: 81-80=1 Exploring Operation: 81-59=22, Resulting Numbers: [2, 80, 22] Generated Node #0,4: 58:[2, 80, 22] Operation: 81-59=22 Moving to Node #0,3 Current State: 58:[59, 2, 1], Operations: ['81-80=1'] Exploring Operation: 59-1=58, Resulting Numbers: [2, 58] Generated Node #0,3,0: 58:[2, 58] Operation: 59-1=58 Exploring Operation: 2*1=2, Resulting Numbers: [59, 2] Generated Node #0,3,1: 58:[59, 2] Operation: 2*1=2 Exploring Operation: 59*1=59, Resulting Numbers: [2, 59] Generated Node #0,3,2: 58:[2, 59] Operation: 59*1=59 Exploring Operation: 59/1=59, Resulting Numbers: [2, 59] Generated Node #0,3,3: 58:[2, 59] Operation: 59/1=59 Exploring Operation: 2/1=2, Resulting Numbers: [59, 2] Generated Node #0,3,4: 58:[59, 2] Operation: 2/1=2 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 58:[2, 58], Operations: ['81-80=1', '59-1=58'] Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,58 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 2*58=116, Resulting Numbers: [116] 116,58 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,58 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 #0,3,1 Current State: 58:[59, 2], Operations: ['81-80=1', '2*1=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,58 unequal: No Solution Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,58 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 #0,3,2 Current State: 58:[2, 59], Operations: ['81-80=1', '59*1=59'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 2*59=118, Resulting Numbers: [118] 118,58 unequal: No Solution Exploring Operation: 2+59=61, Resulting Numbers: [61] 61,58 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 #0,3,3 Current State: 58:[2, 59], Operations: ['81-80=1', '59/1=59'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 2+59=61, Resulting Numbers: [61] 61,58 unequal: No Solution Exploring Operation: 2*59=118, Resulting Numbers: [118] 118,58 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 #0,3,4 Current State: 58:[59, 2], Operations: ['81-80=1', '2/1=2'] Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,58 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,58 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,58 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: 58:[2, 80, 22], Operations: ['81-59=22'] Exploring Operation: 80-22=58, Resulting Numbers: [2, 58] Generated Node #0,4,0: 58:[2, 58] Operation: 80-22=58 Exploring Operation: 2+22=24, Resulting Numbers: [80, 24] Generated Node #0,4,1: 58:[80, 24] Operation: 2+22=24 Exploring Operation: 80-2=78, Resulting Numbers: [22, 78] Generated Node #0,4,2: 58:[22, 78] Operation: 80-2=78 Exploring Operation: 2+80=82, Resulting Numbers: [22, 82] Generated Node #0,4,3: 58:[22, 82] Operation: 2+80=82 Exploring Operation: 80/2=40, Resulting Numbers: [22, 40] Generated Node #0,4,4: 58:[22, 40] Operation: 80/2=40 Moving to Node #0,0 Current State: 58:[2, 81, 21], Operations: ['80-59=21'] Exploring Operation: 21-2=19, Resulting Numbers: [81, 19] Generated Node #0,0,0: 58:[81, 19] Operation: 21-2=19 Exploring Operation: 81-21=60, Resulting Numbers: [2, 60] Generated Node #0,0,1: 58:[2, 60] Operation: 81-21=60 Exploring Operation: 2+81=83, Resulting Numbers: [21, 83] Generated Node #0,0,2: 58:[21, 83] Operation: 2+81=83 Exploring Operation: 81-2=79, Resulting Numbers: [21, 79] Generated Node #0,0,3: 58:[21, 79] Operation: 81-2=79 Exploring Operation: 2+21=23, Resulting Numbers: [81, 23] Generated Node #0,0,4: 58:[81, 23] Operation: 2+21=23 Moving to Node #0,2 Current State: 58:[59, 81, 40], Operations: ['80/2=40'] Exploring Operation: 81-59=22, Resulting Numbers: [40, 22] Generated Node #0,2,0: 58:[40, 22] Operation: 81-59=22 Exploring Operation: 59-40=19, Resulting Numbers: [81, 19] Generated Node #0,2,1: 58:[81, 19] Operation: 59-40=19 Exploring Operation: 81+40=121, Resulting Numbers: [59, 121] Generated Node #0,2,2: 58:[59, 121] Operation: 81+40=121 Exploring Operation: 59+40=99, Resulting Numbers: [81, 99] Generated Node #0,2,3: 58:[81, 99] Operation: 59+40=99 Exploring Operation: 81-40=41, Resulting Numbers: [59, 41] Generated Node #0,2,4: 58:[59, 41] Operation: 81-40=41 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 58:[59, 41], Operations: ['80/2=40', '81-40=41'] Exploring Operation: 59+41=100, Resulting Numbers: [100] 100,58 unequal: No Solution Exploring Operation: 59-41=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 59*41=2419, Resulting Numbers: [2419] 2419,58 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 #0,2,0 Current State: 58:[40, 22], Operations: ['80/2=40', '81-59=22'] Exploring Operation: 40*22=880, Resulting Numbers: [880] 880,58 unequal: No Solution Exploring Operation: 40+22=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,58 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 #0,2,1 Current State: 58:[81, 19], Operations: ['80/2=40', '59-40=19'] Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,58 unequal: No Solution Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,58 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 #0,2,2 Current State: 58:[59, 121], Operations: ['80/2=40', '81+40=121'] Exploring Operation: 59+121=180, Resulting Numbers: [180] 180,58 unequal: No Solution Exploring Operation: 121-59=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 59*121=7139, Resulting Numbers: [7139] 7139,58 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 #0,2,3 Current State: 58:[81, 99], Operations: ['80/2=40', '59+40=99'] Exploring Operation: 81+99=180, Resulting Numbers: [180] 180,58 unequal: No Solution Exploring Operation: 99-81=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 81*99=8019, Resulting Numbers: [8019] 8019,58 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: 58:[59, 81, 78], Operations: ['80-2=78'] Exploring Operation: 59+81=140, Resulting Numbers: [78, 140] Generated Node #0,1,0: 58:[78, 140] Operation: 59+81=140 Exploring Operation: 81-78=3, Resulting Numbers: [59, 3] Generated Node #0,1,1: 58:[59, 3] Operation: 81-78=3 Exploring Operation: 81-59=22, Resulting Numbers: [78, 22] Generated Node #0,1,2: 58:[78, 22] Operation: 81-59=22 Exploring Operation: 59+78=137, Resulting Numbers: [81, 137] Generated Node #0,1,3: 58:[81, 137] Operation: 59+78=137 Exploring Operation: 78-59=19, Resulting Numbers: [81, 19] Generated Node #0,1,4: 58:[81, 19] Operation: 78-59=19 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[59, 3], Operations: ['80-2=78', '81-78=3'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,58 unequal: No Solution Exploring Operation: 59*3=177, Resulting Numbers: [177] 177,58 unequal: No Solution Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[78, 22], Operations: ['80-2=78', '81-59=22'] Exploring Operation: 78-22=56, Resulting Numbers: [56] 56,58 unequal: No Solution Exploring Operation: 78+22=100, Resulting Numbers: [100] 100,58 unequal: No Solution Exploring Operation: 78*22=1716, Resulting Numbers: [1716] 1716,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 58:[81, 19], Operations: ['80-2=78', '78-59=19'] Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,58 unequal: No Solution Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[78, 140], Operations: ['80-2=78', '59+81=140'] Exploring Operation: 140-78=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 78+140=218, Resulting Numbers: [218] 218,58 unequal: No Solution Exploring Operation: 78*140=10920, Resulting Numbers: [10920] 10920,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 58:[81, 137], Operations: ['80-2=78', '59+78=137'] Exploring Operation: 137-81=56, Resulting Numbers: [56] 56,58 unequal: No Solution Exploring Operation: 81*137=11097, Resulting Numbers: [11097] 11097,58 unequal: No Solution Exploring Operation: 81+137=218, Resulting Numbers: [218] 218,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 58:[2, 58], Operations: ['81-59=22', '80-22=58'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,58 unequal: No Solution Exploring Operation: 2*58=116, Resulting Numbers: [116] 116,58 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[2, 60], Operations: ['80-59=21', '81-21=60'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,58 unequal: No Solution Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[59, 2, 80, 81], Operations: [] Exploring Operation: 80-59=21, Resulting Numbers: [2, 81, 21] Generated Node #0,0: 58:[2, 81, 21] Operation: 80-59=21 Moving to Node #0,0 Current State: 58:[2, 81, 21], Operations: ['80-59=21'] Exploring Operation: 81-21=60, Resulting Numbers: [2, 60] Generated Node #0,0,1: 58:[2, 60] Operation: 81-21=60 Moving to Node #0,0,1 Current State: 58:[2, 60], Operations: ['80-59=21', '81-21=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.924479
hs_5
mult_heuristic
[ 27, 2, 56, 49 ]
98
[ "27*2=54", "56-54=2", "49*2=98" ]
Current State: 98:[27, 2, 56, 49], Operations: [] Exploring Operation: 27*2=54, Resulting Numbers: [56, 49, 54] Generated Node #2: [56, 49, 54] from Operation: 27*2=54 Current State: 98:[56, 49, 54], Operations: ['27*2=54'] Exploring Operation: 56-54=2, Resulting Numbers: [49, 2] Generated Node #3: [49, 2] from Operation: 56-54=2 Current State: 98:[49, 2], Operations: ['27*2=54', '56-54=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[27, 2, 56, 49], Operations: [] Exploring Operation: 56-27=29, Resulting Numbers: [2, 49, 29] Generated Node #0,0: 98:[2, 49, 29] Operation: 56-27=29 Exploring Operation: 27+56=83, Resulting Numbers: [2, 49, 83] Generated Node #0,1: 98:[2, 49, 83] Operation: 27+56=83 Exploring Operation: 56-49=7, Resulting Numbers: [27, 2, 7] Generated Node #0,2: 98:[27, 2, 7] Operation: 56-49=7 Exploring Operation: 49-27=22, Resulting Numbers: [2, 56, 22] Generated Node #0,3: 98:[2, 56, 22] Operation: 49-27=22 Exploring Operation: 27*2=54, Resulting Numbers: [56, 49, 54] Generated Node #0,4: 98:[56, 49, 54] Operation: 27*2=54 Moving to Node #0,4 Current State: 98:[56, 49, 54], Operations: ['27*2=54'] Exploring Operation: 56-54=2, Resulting Numbers: [49, 2] Generated Node #0,4,0: 98:[49, 2] Operation: 56-54=2 Exploring Operation: 56+54=110, Resulting Numbers: [49, 110] Generated Node #0,4,1: 98:[49, 110] Operation: 56+54=110 Exploring Operation: 56-49=7, Resulting Numbers: [54, 7] Generated Node #0,4,2: 98:[54, 7] Operation: 56-49=7 Exploring Operation: 56+49=105, Resulting Numbers: [54, 105] Generated Node #0,4,3: 98:[54, 105] Operation: 56+49=105 Exploring Operation: 54-49=5, Resulting Numbers: [56, 5] Generated Node #0,4,4: 98:[56, 5] Operation: 54-49=5 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 98:[49, 2], Operations: ['27*2=54', '56-54=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,98 unequal: No Solution Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[27, 2, 56, 49], Operations: [] Exploring Operation: 27*2=54, Resulting Numbers: [56, 49, 54] Generated Node #0,4: 98:[56, 49, 54] Operation: 27*2=54 Moving to Node #0,4 Current State: 98:[56, 49, 54], Operations: ['27*2=54'] Exploring Operation: 56-54=2, Resulting Numbers: [49, 2] Generated Node #0,4,0: 98:[49, 2] Operation: 56-54=2 Moving to Node #0,4,0 Current State: 98:[49, 2], Operations: ['27*2=54', '56-54=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 99, 11, 77, 26 ]
13
[ "99-77=22", "11*26=286", "286/22=13" ]
Current State: 13:[99, 11, 77, 26], Operations: [] Exploring Operation: 99-77=22, Resulting Numbers: [11, 26, 22] Generated Node #2: [11, 26, 22] from Operation: 99-77=22 Current State: 13:[11, 26, 22], Operations: ['99-77=22'] Exploring Operation: 11*26=286, Resulting Numbers: [22, 286] Generated Node #3: [22, 286] from Operation: 11*26=286 Current State: 13:[22, 286], Operations: ['99-77=22', '11*26=286'] Exploring Operation: 286/22=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[99, 11, 77, 26], Operations: [] Exploring Operation: 99-77=22, Resulting Numbers: [11, 26, 22] Generated Node #0,0: 13:[11, 26, 22] Operation: 99-77=22 Exploring Operation: 99-26=73, Resulting Numbers: [11, 77, 73] Generated Node #0,1: 13:[11, 77, 73] Operation: 99-26=73 Exploring Operation: 99/11=9, Resulting Numbers: [77, 26, 9] Generated Node #0,2: 13:[77, 26, 9] Operation: 99/11=9 Exploring Operation: 77/11=7, Resulting Numbers: [99, 26, 7] Generated Node #0,3: 13:[99, 26, 7] Operation: 77/11=7 Moving to Node #0,0 Current State: 13:[11, 26, 22], Operations: ['99-77=22'] Exploring Operation: 26-11=15, Resulting Numbers: [22, 15] Generated Node #0,0,0: 13:[22, 15] Operation: 26-11=15 Exploring Operation: 22-11=11, Resulting Numbers: [26, 11] Generated Node #0,0,1: 13:[26, 11] Operation: 22-11=11 Exploring Operation: 22/11=2, Resulting Numbers: [26, 2] Generated Node #0,0,2: 13:[26, 2] Operation: 22/11=2 Exploring Operation: 26-22=4, Resulting Numbers: [11, 4] Generated Node #0,0,3: 13:[11, 4] Operation: 26-22=4 Moving to Node #0,2 Current State: 13:[77, 26, 9], Operations: ['99/11=9'] Exploring Operation: 77-26=51, Resulting Numbers: [9, 51] Generated Node #0,2,0: 13:[9, 51] Operation: 77-26=51 Exploring Operation: 77-9=68, Resulting Numbers: [26, 68] Generated Node #0,2,1: 13:[26, 68] Operation: 77-9=68 Exploring Operation: 26-9=17, Resulting Numbers: [77, 17] Generated Node #0,2,2: 13:[77, 17] Operation: 26-9=17 Exploring Operation: 77+9=86, Resulting Numbers: [26, 86] Generated Node #0,2,3: 13:[26, 86] Operation: 77+9=86 Moving to Node #0,3 Current State: 13:[99, 26, 7], Operations: ['77/11=7'] Exploring Operation: 99+7=106, Resulting Numbers: [26, 106] Generated Node #0,3,0: 13:[26, 106] Operation: 99+7=106 Exploring Operation: 99-26=73, Resulting Numbers: [7, 73] Generated Node #0,3,1: 13:[7, 73] Operation: 99-26=73 Exploring Operation: 99-7=92, Resulting Numbers: [26, 92] Generated Node #0,3,2: 13:[26, 92] Operation: 99-7=92 Exploring Operation: 26-7=19, Resulting Numbers: [99, 19] Generated Node #0,3,3: 13:[99, 19] Operation: 26-7=19 Moving to Node #0,1 Current State: 13:[11, 77, 73], Operations: ['99-26=73'] Exploring Operation: 73-11=62, Resulting Numbers: [77, 62] Generated Node #0,1,0: 13:[77, 62] Operation: 73-11=62 Exploring Operation: 77/11=7, Resulting Numbers: [73, 7] Generated Node #0,1,1: 13:[73, 7] Operation: 77/11=7 Exploring Operation: 77-11=66, Resulting Numbers: [73, 66] Generated Node #0,1,2: 13:[73, 66] Operation: 77-11=66 Exploring Operation: 77-73=4, Resulting Numbers: [11, 4] Generated Node #0,1,3: 13:[11, 4] Operation: 77-73=4 Moving to Node #0,0,0 Current State: 13:[22, 15], Operations: ['99-77=22', '26-11=15'] Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 22*15=330, Resulting Numbers: [330] 330,13 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,13 unequal: No Solution Moving to Node #0,1,3 Current State: 13:[11, 4], Operations: ['99-26=73', '77-73=4'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,13 unequal: No Solution Moving to Node #0,0,3 Current State: 13:[11, 4], Operations: ['99-77=22', '26-22=4'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[26, 11], Operations: ['99-77=22', '22-11=11'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 26*11=286, Resulting Numbers: [286] 286,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[26, 2], Operations: ['99-77=22', '22/11=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,13 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[99, 11, 77, 26], Operations: [] Exploring Operation: 99-77=22, Resulting Numbers: [11, 26, 22] Generated Node #0,0: 13:[11, 26, 22] Operation: 99-77=22 Moving to Node #0,0 Current State: 13:[11, 26, 22], Operations: ['99-77=22'] Exploring Operation: 22/11=2, Resulting Numbers: [26, 2] Generated Node #0,0,2: 13:[26, 2] Operation: 22/11=2 Moving to Node #0,0,2 Current State: 13:[26, 2], Operations: ['99-77=22', '22/11=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
0.965278
hs_4
mult_heuristic
[ 94, 91, 44, 90 ]
74
[ "94-91=3", "90/3=30", "44+30=74" ]
Current State: 74:[94, 91, 44, 90], Operations: [] Exploring Operation: 94-91=3, Resulting Numbers: [44, 90, 3] Generated Node #2: [44, 90, 3] from Operation: 94-91=3 Current State: 74:[44, 90, 3], Operations: ['94-91=3'] Exploring Operation: 90/3=30, Resulting Numbers: [44, 30] Generated Node #3: [44, 30] from Operation: 90/3=30 Current State: 74:[44, 30], Operations: ['94-91=3', '90/3=30'] Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[94, 91, 44, 90], Operations: [] Exploring Operation: 94-90=4, Resulting Numbers: [91, 44, 4] Generated Node #0,0: 74:[91, 44, 4] Operation: 94-90=4 Exploring Operation: 94-91=3, Resulting Numbers: [44, 90, 3] Generated Node #0,1: 74:[44, 90, 3] Operation: 94-91=3 Exploring Operation: 91-90=1, Resulting Numbers: [94, 44, 1] Generated Node #0,2: 74:[94, 44, 1] Operation: 91-90=1 Exploring Operation: 94-44=50, Resulting Numbers: [91, 90, 50] Generated Node #0,3: 74:[91, 90, 50] Operation: 94-44=50 Moving to Node #0,1 Current State: 74:[44, 90, 3], Operations: ['94-91=3'] Exploring Operation: 90-44=46, Resulting Numbers: [3, 46] Generated Node #0,1,0: 74:[3, 46] Operation: 90-44=46 Exploring Operation: 90/3=30, Resulting Numbers: [44, 30] Generated Node #0,1,1: 74:[44, 30] Operation: 90/3=30 Exploring Operation: 44-3=41, Resulting Numbers: [90, 41] Generated Node #0,1,2: 74:[90, 41] Operation: 44-3=41 Exploring Operation: 90-3=87, Resulting Numbers: [44, 87] Generated Node #0,1,3: 74:[44, 87] Operation: 90-3=87 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[3, 46], Operations: ['94-91=3', '90-44=46'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,74 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,74 unequal: No Solution Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[44, 30], Operations: ['94-91=3', '90/3=30'] Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[94, 91, 44, 90], Operations: [] Exploring Operation: 94-91=3, Resulting Numbers: [44, 90, 3] Generated Node #0,1: 74:[44, 90, 3] Operation: 94-91=3 Moving to Node #0,1 Current State: 74:[44, 90, 3], Operations: ['94-91=3'] Exploring Operation: 90/3=30, Resulting Numbers: [44, 30] Generated Node #0,1,1: 74:[44, 30] Operation: 90/3=30 Moving to Node #0,1,1 Current State: 74:[44, 30], Operations: ['94-91=3', '90/3=30'] Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 31, 73, 9, 62 ]
66
[ "62/31=2", "73-9=64", "2+64=66" ]
Current State: 66:[31, 73, 9, 62], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [73, 9, 2] Generated Node #2: [73, 9, 2] from Operation: 62/31=2 Current State: 66:[73, 9, 2], Operations: ['62/31=2'] Exploring Operation: 73-9=64, Resulting Numbers: [2, 64] Generated Node #3: [2, 64] from Operation: 73-9=64 Current State: 66:[2, 64], Operations: ['62/31=2', '73-9=64'] Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[31, 73, 9, 62], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [73, 9, 2] Generated Node #0,0: 66:[73, 9, 2] Operation: 62/31=2 Exploring Operation: 73-9=64, Resulting Numbers: [31, 62, 64] Generated Node #0,1: 66:[31, 62, 64] Operation: 73-9=64 Exploring Operation: 73-62=11, Resulting Numbers: [31, 9, 11] Generated Node #0,2: 66:[31, 9, 11] Operation: 73-62=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[31, 9, 11], Operations: ['73-62=11'] Exploring Operation: 11-9=2, Resulting Numbers: [31, 2] Generated Node #0,2,0: 66:[31, 2] Operation: 11-9=2 Exploring Operation: 31-11=20, Resulting Numbers: [9, 20] Generated Node #0,2,1: 66:[9, 20] Operation: 31-11=20 Exploring Operation: 31-9=22, Resulting Numbers: [11, 22] Generated Node #0,2,2: 66:[11, 22] Operation: 31-9=22 Moving to Node #0,2,2 Current State: 66:[11, 22], Operations: ['73-62=11', '31-9=22'] Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,66 unequal: No Solution Moving to Node #0,2,0 Current State: 66:[31, 2], Operations: ['73-62=11', '11-9=2'] Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,66 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[9, 20], Operations: ['73-62=11', '31-11=20'] Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,66 unequal: No Solution Exploring Operation: 9*20=180, Resulting Numbers: [180] 180,66 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,66 unequal: No Solution No 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: 66:[31, 62, 64], Operations: ['73-9=64'] Exploring Operation: 64-62=2, Resulting Numbers: [31, 2] Generated Node #0,1,0: 66:[31, 2] Operation: 64-62=2 Exploring Operation: 62-31=31, Resulting Numbers: [64, 31] Generated Node #0,1,1: 66:[64, 31] Operation: 62-31=31 Exploring Operation: 62/31=2, Resulting Numbers: [64, 2] Generated Node #0,1,2: 66:[64, 2] Operation: 62/31=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[31, 2], Operations: ['73-9=64', '64-62=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,66 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,66 unequal: No Solution No 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: 66:[64, 2], Operations: ['73-9=64', '62/31=2'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,66 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,66 unequal: No Solution Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[31, 73, 9, 62], Operations: [] Exploring Operation: 73-9=64, Resulting Numbers: [31, 62, 64] Generated Node #0,1: 66:[31, 62, 64] Operation: 73-9=64 Moving to Node #0,1 Current State: 66:[31, 62, 64], Operations: ['73-9=64'] Exploring Operation: 62/31=2, Resulting Numbers: [64, 2] Generated Node #0,1,2: 66:[64, 2] Operation: 62/31=2 Moving to Node #0,1,2 Current State: 66:[64, 2], Operations: ['73-9=64', '62/31=2'] Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 63, 6, 66, 40 ]
83
[ "63-6=57", "66-40=26", "57+26=83" ]
Current State: 83:[63, 6, 66, 40], Operations: [] Exploring Operation: 63-6=57, Resulting Numbers: [66, 40, 57] Generated Node #2: [66, 40, 57] from Operation: 63-6=57 Current State: 83:[66, 40, 57], Operations: ['63-6=57'] Exploring Operation: 66-40=26, Resulting Numbers: [57, 26] Generated Node #3: [57, 26] from Operation: 66-40=26 Current State: 83:[57, 26], Operations: ['63-6=57', '66-40=26'] Exploring Operation: 57+26=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[63, 6, 66, 40], Operations: [] Exploring Operation: 6+40=46, Resulting Numbers: [63, 66, 46] Generated Node #0,0: 83:[63, 66, 46] Operation: 6+40=46 Exploring Operation: 6+66=72, Resulting Numbers: [63, 40, 72] Generated Node #0,1: 83:[63, 40, 72] Operation: 6+66=72 Exploring Operation: 63-6=57, Resulting Numbers: [66, 40, 57] Generated Node #0,2: 83:[66, 40, 57] Operation: 63-6=57 Exploring Operation: 63+6=69, Resulting Numbers: [66, 40, 69] Generated Node #0,3: 83:[66, 40, 69] Operation: 63+6=69 Moving to Node #0,0 Current State: 83:[63, 66, 46], Operations: ['6+40=46'] Exploring Operation: 63+46=109, Resulting Numbers: [66, 109] Generated Node #0,0,0: 83:[66, 109] Operation: 63+46=109 Exploring Operation: 66+46=112, Resulting Numbers: [63, 112] Generated Node #0,0,1: 83:[63, 112] Operation: 66+46=112 Exploring Operation: 63+66=129, Resulting Numbers: [46, 129] Generated Node #0,0,2: 83:[46, 129] Operation: 63+66=129 Exploring Operation: 63-46=17, Resulting Numbers: [66, 17] Generated Node #0,0,3: 83:[66, 17] Operation: 63-46=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[66, 109], Operations: ['6+40=46', '63+46=109'] Exploring Operation: 66+109=175, Resulting Numbers: [175] 175,83 unequal: No Solution Exploring Operation: 66*109=7194, Resulting Numbers: [7194] 7194,83 unequal: No Solution Exploring Operation: 109-66=43, Resulting Numbers: [43] 43,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[63, 112], Operations: ['6+40=46', '66+46=112'] Exploring Operation: 112-63=49, Resulting Numbers: [49] 49,83 unequal: No Solution Exploring Operation: 63+112=175, Resulting Numbers: [175] 175,83 unequal: No Solution Exploring Operation: 63*112=7056, Resulting Numbers: [7056] 7056,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[46, 129], Operations: ['6+40=46', '63+66=129'] Exploring Operation: 46+129=175, Resulting Numbers: [175] 175,83 unequal: No Solution Exploring Operation: 129-46=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[63, 6, 66, 40], Operations: [] Exploring Operation: 6+40=46, Resulting Numbers: [63, 66, 46] Generated Node #0,0: 83:[63, 66, 46] Operation: 6+40=46 Moving to Node #0,0 Current State: 83:[63, 66, 46], Operations: ['6+40=46'] Exploring Operation: 63+66=129, Resulting Numbers: [46, 129] Generated Node #0,0,2: 83:[46, 129] Operation: 63+66=129 Moving to Node #0,0,2 Current State: 83:[46, 129], Operations: ['6+40=46', '63+66=129'] Exploring Operation: 129-46=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 12, 56, 3, 12 ]
48
[ "56-12=44", "12/3=4", "44+4=48" ]
Current State: 48:[12, 56, 3, 12], Operations: [] Exploring Operation: 56-12=44, Resulting Numbers: [3, 44] Generated Node #2: [3, 44] from Operation: 56-12=44 Current State: 48:[3, 44], Operations: ['56-12=44'] Exploring Operation: 12/3=4, Resulting Numbers: [44, 4] Generated Node #3: [44, 4] from Operation: 12/3=4 Current State: 48:[44, 4], Operations: ['56-12=44', '12/3=4'] Exploring Operation: 44+4=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[12, 56, 3, 12], Operations: [] Exploring Operation: 56-12=44, Resulting Numbers: [12, 3, 44] Generated Node #0,0: 48:[12, 3, 44] Operation: 56-12=44 Exploring Operation: 56-3=53, Resulting Numbers: [12, 12, 53] Generated Node #0,1: 48:[12, 12, 53] Operation: 56-3=53 Exploring Operation: 56-12=44, Resulting Numbers: [3, 12, 44] Generated Node #0,2: 48:[3, 12, 44] Operation: 56-12=44 Exploring Operation: 12/3=4, Resulting Numbers: [56, 12, 4] Generated Node #0,3: 48:[56, 12, 4] Operation: 12/3=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[12, 3, 44], Operations: ['56-12=44'] Exploring Operation: 3+44=47, Resulting Numbers: [12, 47] Generated Node #0,0,0: 48:[12, 47] Operation: 3+44=47 Exploring Operation: 12+3=15, Resulting Numbers: [44, 15] Generated Node #0,0,1: 48:[44, 15] Operation: 12+3=15 Exploring Operation: 12-3=9, Resulting Numbers: [44, 9] Generated Node #0,0,2: 48:[44, 9] Operation: 12-3=9 Exploring Operation: 12/3=4, Resulting Numbers: [44, 4] Generated Node #0,0,3: 48:[44, 4] Operation: 12/3=4 Moving to Node #0,0,0 Current State: 48:[12, 47], Operations: ['56-12=44', '3+44=47'] Exploring Operation: 12+47=59, Resulting Numbers: [59] 59,48 unequal: No Solution Exploring Operation: 12*47=564, Resulting Numbers: [564] 564,48 unequal: No Solution Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,48 unequal: No Solution Moving to Node #0,0,3 Current State: 48:[44, 4], Operations: ['56-12=44', '12/3=4'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,48 unequal: No Solution Exploring Operation: 44*4=176, Resulting Numbers: [176] 176,48 unequal: No Solution Exploring Operation: 44+4=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[12, 56, 3, 12], Operations: [] Exploring Operation: 56-12=44, Resulting Numbers: [12, 3, 44] Generated Node #0,0: 48:[12, 3, 44] Operation: 56-12=44 Moving to Node #0,0 Current State: 48:[12, 3, 44], Operations: ['56-12=44'] Exploring Operation: 12/3=4, Resulting Numbers: [44, 4] Generated Node #0,0,3: 48:[44, 4] Operation: 12/3=4 Moving to Node #0,0,3 Current State: 48:[44, 4], Operations: ['56-12=44', '12/3=4'] Exploring Operation: 44+4=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 27, 16, 5, 63 ]
49
[ "16+5=21", "63*21=1323", "1323/27=49" ]
Current State: 49:[27, 16, 5, 63], Operations: [] Exploring Operation: 16+5=21, Resulting Numbers: [27, 63, 21] Generated Node #2: [27, 63, 21] from Operation: 16+5=21 Current State: 49:[27, 63, 21], Operations: ['16+5=21'] Exploring Operation: 63*21=1323, Resulting Numbers: [27, 1323] Generated Node #3: [27, 1323] from Operation: 63*21=1323 Current State: 49:[27, 1323], Operations: ['16+5=21', '63*21=1323'] Exploring Operation: 1323/27=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[27, 16, 5, 63], Operations: [] Exploring Operation: 63-27=36, Resulting Numbers: [16, 5, 36] Generated Node #0,0: 49:[16, 5, 36] Operation: 63-27=36 Exploring Operation: 27+16=43, Resulting Numbers: [5, 63, 43] Generated Node #0,1: 49:[5, 63, 43] Operation: 27+16=43 Exploring Operation: 27-16=11, Resulting Numbers: [5, 63, 11] Generated Node #0,2: 49:[5, 63, 11] Operation: 27-16=11 Moving to Node #0,2 Current State: 49:[5, 63, 11], Operations: ['27-16=11'] Exploring Operation: 63-11=52, Resulting Numbers: [5, 52] Generated Node #0,2,0: 49:[5, 52] Operation: 63-11=52 Exploring Operation: 11-5=6, Resulting Numbers: [63, 6] Generated Node #0,2,1: 49:[63, 6] Operation: 11-5=6 Exploring Operation: 63-5=58, Resulting Numbers: [11, 58] Generated Node #0,2,2: 49:[11, 58] Operation: 63-5=58 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[5, 52], Operations: ['27-16=11', '63-11=52'] Exploring Operation: 5+52=57, Resulting Numbers: [57] 57,49 unequal: No Solution Exploring Operation: 5*52=260, Resulting Numbers: [260] 260,49 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 49:[11, 58], Operations: ['27-16=11', '63-5=58'] Exploring Operation: 11+58=69, Resulting Numbers: [69] 69,49 unequal: No Solution Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,49 unequal: No Solution Exploring Operation: 11*58=638, Resulting Numbers: [638] 638,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 49:[63, 6], Operations: ['27-16=11', '11-5=6'] Exploring Operation: 63*6=378, Resulting Numbers: [378] 378,49 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,49 unequal: No Solution Exploring Operation: 63+6=69, Resulting Numbers: [69] 69,49 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:[5, 63, 43], Operations: ['27+16=43'] Exploring Operation: 63-5=58, Resulting Numbers: [43, 58] Generated Node #0,1,0: 49:[43, 58] Operation: 63-5=58 Exploring Operation: 63-43=20, Resulting Numbers: [5, 20] Generated Node #0,1,1: 49:[5, 20] Operation: 63-43=20 Exploring Operation: 5+43=48, Resulting Numbers: [63, 48] Generated Node #0,1,2: 49:[63, 48] Operation: 5+43=48 Moving to Node #0,0 Current State: 49:[16, 5, 36], Operations: ['63-27=36'] Exploring Operation: 36-16=20, Resulting Numbers: [5, 20] Generated Node #0,0,0: 49:[5, 20] Operation: 36-16=20 Exploring Operation: 16-5=11, Resulting Numbers: [36, 11] Generated Node #0,0,1: 49:[36, 11] Operation: 16-5=11 Exploring Operation: 16+36=52, Resulting Numbers: [5, 52] Generated Node #0,0,2: 49:[5, 52] Operation: 16+36=52 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[5, 52], Operations: ['63-27=36', '16+36=52'] Exploring Operation: 5*52=260, Resulting Numbers: [260] 260,49 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,49 unequal: No Solution Exploring Operation: 5+52=57, Resulting Numbers: [57] 57,49 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:[5, 20], Operations: ['63-27=36', '36-16=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,49 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,49 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:[36, 11], Operations: ['63-27=36', '16-5=11'] Exploring Operation: 36*11=396, Resulting Numbers: [396] 396,49 unequal: No Solution Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,49 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,49 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: 49:[43, 58], Operations: ['27+16=43', '63-5=58'] Exploring Operation: 43+58=101, Resulting Numbers: [101] 101,49 unequal: No Solution Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 43*58=2494, Resulting Numbers: [2494] 2494,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[5, 20], Operations: ['27+16=43', '63-43=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,49 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[63, 48], Operations: ['27+16=43', '5+43=48'] Exploring Operation: 63+48=111, Resulting Numbers: [111] 111,49 unequal: No Solution Exploring Operation: 63-48=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 63*48=3024, Resulting Numbers: [3024] 3024,49 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 58, 48, 7, 34 ]
56
[ "48-34=14", "14/7=2", "58-2=56" ]
Current State: 56:[58, 48, 7, 34], Operations: [] Exploring Operation: 48-34=14, Resulting Numbers: [58, 7, 14] Generated Node #2: [58, 7, 14] from Operation: 48-34=14 Current State: 56:[58, 7, 14], Operations: ['48-34=14'] Exploring Operation: 14/7=2, Resulting Numbers: [58, 2] Generated Node #3: [58, 2] from Operation: 14/7=2 Current State: 56:[58, 2], Operations: ['48-34=14', '14/7=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[58, 48, 7, 34], Operations: [] Exploring Operation: 48-34=14, Resulting Numbers: [58, 7, 14] Generated Node #0,0: 56:[58, 7, 14] Operation: 48-34=14 Exploring Operation: 34-7=27, Resulting Numbers: [58, 48, 27] Generated Node #0,1: 56:[58, 48, 27] Operation: 34-7=27 Exploring Operation: 48+7=55, Resulting Numbers: [58, 34, 55] Generated Node #0,2: 56:[58, 34, 55] Operation: 48+7=55 Exploring Operation: 58-48=10, Resulting Numbers: [7, 34, 10] Generated Node #0,3: 56:[7, 34, 10] Operation: 58-48=10 Exploring Operation: 58-34=24, Resulting Numbers: [48, 7, 24] Generated Node #0,4: 56:[48, 7, 24] Operation: 58-34=24 Moving to Node #0,0 Current State: 56:[58, 7, 14], Operations: ['48-34=14'] Exploring Operation: 14/7=2, Resulting Numbers: [58, 2] Generated Node #0,0,0: 56:[58, 2] Operation: 14/7=2 Exploring Operation: 58-7=51, Resulting Numbers: [14, 51] Generated Node #0,0,1: 56:[14, 51] Operation: 58-7=51 Exploring Operation: 58+7=65, Resulting Numbers: [14, 65] Generated Node #0,0,2: 56:[14, 65] Operation: 58+7=65 Exploring Operation: 7+14=21, Resulting Numbers: [58, 21] Generated Node #0,0,3: 56:[58, 21] Operation: 7+14=21 Exploring Operation: 14-7=7, Resulting Numbers: [58, 7] Generated Node #0,0,4: 56:[58, 7] Operation: 14-7=7 Moving to Node #0,3 Current State: 56:[7, 34, 10], Operations: ['58-48=10'] Exploring Operation: 34+10=44, Resulting Numbers: [7, 44] Generated Node #0,3,0: 56:[7, 44] Operation: 34+10=44 Exploring Operation: 34-10=24, Resulting Numbers: [7, 24] Generated Node #0,3,1: 56:[7, 24] Operation: 34-10=24 Exploring Operation: 34-7=27, Resulting Numbers: [10, 27] Generated Node #0,3,2: 56:[10, 27] Operation: 34-7=27 Exploring Operation: 7+10=17, Resulting Numbers: [34, 17] Generated Node #0,3,3: 56:[34, 17] Operation: 7+10=17 Exploring Operation: 10-7=3, Resulting Numbers: [34, 3] Generated Node #0,3,4: 56:[34, 3] Operation: 10-7=3 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 56:[10, 27], Operations: ['58-48=10', '34-7=27'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,56 unequal: No Solution Exploring Operation: 10+27=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 10*27=270, Resulting Numbers: [270] 270,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 56:[7, 24], Operations: ['58-48=10', '34-10=24'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,56 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,56 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 56:[34, 3], Operations: ['58-48=10', '10-7=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,56 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,56 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 56:[34, 17], Operations: ['58-48=10', '7+10=17'] Exploring Operation: 34*17=578, Resulting Numbers: [578] 578,56 unequal: No Solution Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,56 unequal: No Solution Exploring Operation: 34+17=51, Resulting Numbers: [51] 51,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 56:[7, 44], Operations: ['58-48=10', '34+10=44'] Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 7*44=308, Resulting Numbers: [308] 308,56 unequal: No Solution Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,56 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: 56:[58, 34, 55], Operations: ['48+7=55'] Exploring Operation: 55-34=21, Resulting Numbers: [58, 21] Generated Node #0,2,0: 56:[58, 21] Operation: 55-34=21 Exploring Operation: 34+55=89, Resulting Numbers: [58, 89] Generated Node #0,2,1: 56:[58, 89] Operation: 34+55=89 Exploring Operation: 58+34=92, Resulting Numbers: [55, 92] Generated Node #0,2,2: 56:[55, 92] Operation: 58+34=92 Exploring Operation: 58-55=3, Resulting Numbers: [34, 3] Generated Node #0,2,3: 56:[34, 3] Operation: 58-55=3 Exploring Operation: 58-34=24, Resulting Numbers: [55, 24] Generated Node #0,2,4: 56:[55, 24] Operation: 58-34=24 Moving to Node #0,1 Current State: 56:[58, 48, 27], Operations: ['34-7=27'] Exploring Operation: 58-48=10, Resulting Numbers: [27, 10] Generated Node #0,1,0: 56:[27, 10] Operation: 58-48=10 Exploring Operation: 58-27=31, Resulting Numbers: [48, 31] Generated Node #0,1,1: 56:[48, 31] Operation: 58-27=31 Exploring Operation: 48-27=21, Resulting Numbers: [58, 21] Generated Node #0,1,2: 56:[58, 21] Operation: 48-27=21 Exploring Operation: 58+27=85, Resulting Numbers: [48, 85] Generated Node #0,1,3: 56:[48, 85] Operation: 58+27=85 Exploring Operation: 48+27=75, Resulting Numbers: [58, 75] Generated Node #0,1,4: 56:[58, 75] Operation: 48+27=75 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[27, 10], Operations: ['34-7=27', '58-48=10'] Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,56 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 56:[58, 21], Operations: ['34-7=27', '48-27=21'] Exploring Operation: 58*21=1218, Resulting Numbers: [1218] 1218,56 unequal: No Solution Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[48, 31], Operations: ['34-7=27', '58-27=31'] Exploring Operation: 48*31=1488, Resulting Numbers: [1488] 1488,56 unequal: No Solution Exploring Operation: 48+31=79, Resulting Numbers: [79] 79,56 unequal: No Solution Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 56:[58, 75], Operations: ['34-7=27', '48+27=75'] Exploring Operation: 75-58=17, Resulting Numbers: [17] 17,56 unequal: No Solution Exploring Operation: 58*75=4350, Resulting Numbers: [4350] 4350,56 unequal: No Solution Exploring Operation: 58+75=133, Resulting Numbers: [133] 133,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 56:[48, 85], Operations: ['34-7=27', '58+27=85'] Exploring Operation: 85-48=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 48*85=4080, Resulting Numbers: [4080] 4080,56 unequal: No Solution Exploring Operation: 48+85=133, Resulting Numbers: [133] 133,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 56:[48, 7, 24], Operations: ['58-34=24'] Exploring Operation: 48+7=55, Resulting Numbers: [24, 55] Generated Node #0,4,0: 56:[24, 55] Operation: 48+7=55 Exploring Operation: 24-7=17, Resulting Numbers: [48, 17] Generated Node #0,4,1: 56:[48, 17] Operation: 24-7=17 Exploring Operation: 7+24=31, Resulting Numbers: [48, 31] Generated Node #0,4,2: 56:[48, 31] Operation: 7+24=31 Exploring Operation: 48/24=2, Resulting Numbers: [7, 2] Generated Node #0,4,3: 56:[7, 2] Operation: 48/24=2 Exploring Operation: 48-24=24, Resulting Numbers: [7, 24] Generated Node #0,4,4: 56:[7, 24] Operation: 48-24=24 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 56:[7, 2], Operations: ['58-34=24', '48/24=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 56:[7, 24], Operations: ['58-34=24', '48-24=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,56 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,56 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 56:[24, 55], Operations: ['58-34=24', '48+7=55'] Exploring Operation: 24*55=1320, Resulting Numbers: [1320] 1320,56 unequal: No Solution Exploring Operation: 24+55=79, Resulting Numbers: [79] 79,56 unequal: No Solution Exploring Operation: 55-24=31, Resulting Numbers: [31] 31,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 56:[48, 17], Operations: ['58-34=24', '24-7=17'] Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,56 unequal: No Solution Exploring Operation: 48+17=65, Resulting Numbers: [65] 65,56 unequal: No Solution Exploring Operation: 48*17=816, Resulting Numbers: [816] 816,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 56:[48, 31], Operations: ['58-34=24', '7+24=31'] Exploring Operation: 48*31=1488, Resulting Numbers: [1488] 1488,56 unequal: No Solution Exploring Operation: 48+31=79, Resulting Numbers: [79] 79,56 unequal: No Solution Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,56 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: 56:[58, 2], Operations: ['48-34=14', '14/7=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,56 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[58, 48, 7, 34], Operations: [] Exploring Operation: 48-34=14, Resulting Numbers: [58, 7, 14] Generated Node #0,0: 56:[58, 7, 14] Operation: 48-34=14 Moving to Node #0,0 Current State: 56:[58, 7, 14], Operations: ['48-34=14'] Exploring Operation: 14/7=2, Resulting Numbers: [58, 2] Generated Node #0,0,0: 56:[58, 2] Operation: 14/7=2 Moving to Node #0,0,0 Current State: 56:[58, 2], Operations: ['48-34=14', '14/7=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
0.928819
hs_5
sum_heuristic
[ 33, 53, 65, 18 ]
22
[ "65-53=12", "33*12=396", "396/18=22" ]
Current State: 22:[33, 53, 65, 18], Operations: [] Exploring Operation: 65-53=12, Resulting Numbers: [33, 18, 12] Generated Node #2: [33, 18, 12] from Operation: 65-53=12 Current State: 22:[33, 18, 12], Operations: ['65-53=12'] Exploring Operation: 33*12=396, Resulting Numbers: [18, 396] Generated Node #3: [18, 396] from Operation: 33*12=396 Current State: 22:[18, 396], Operations: ['65-53=12', '33*12=396'] Exploring Operation: 396/18=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[33, 53, 65, 18], Operations: [] Exploring Operation: 65-53=12, Resulting Numbers: [33, 18, 12] Generated Node #0,0: 22:[33, 18, 12] Operation: 65-53=12 Exploring Operation: 53-33=20, Resulting Numbers: [65, 18, 20] Generated Node #0,1: 22:[65, 18, 20] Operation: 53-33=20 Exploring Operation: 65-33=32, Resulting Numbers: [53, 18, 32] Generated Node #0,2: 22:[53, 18, 32] Operation: 65-33=32 Moving to Node #0,0 Current State: 22:[33, 18, 12], Operations: ['65-53=12'] Exploring Operation: 33-18=15, Resulting Numbers: [12, 15] Generated Node #0,0,0: 22:[12, 15] Operation: 33-18=15 Exploring Operation: 18-12=6, Resulting Numbers: [33, 6] Generated Node #0,0,1: 22:[33, 6] Operation: 18-12=6 Exploring Operation: 33-12=21, Resulting Numbers: [18, 21] Generated Node #0,0,2: 22:[18, 21] Operation: 33-12=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[12, 15], Operations: ['65-53=12', '33-18=15'] Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 22:[18, 21], Operations: ['65-53=12', '33-12=21'] Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 18*21=378, Resulting Numbers: [378] 378,22 unequal: No Solution Exploring Operation: 18+21=39, Resulting Numbers: [39] 39,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[33, 6], Operations: ['65-53=12', '18-12=6'] Exploring Operation: 33*6=198, Resulting Numbers: [198] 198,22 unequal: No Solution Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,22 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 22:[53, 18, 32], Operations: ['65-33=32'] Exploring Operation: 53-32=21, Resulting Numbers: [18, 21] Generated Node #0,2,0: 22:[18, 21] Operation: 53-32=21 Exploring Operation: 32-18=14, Resulting Numbers: [53, 14] Generated Node #0,2,1: 22:[53, 14] Operation: 32-18=14 Exploring Operation: 53-18=35, Resulting Numbers: [32, 35] Generated Node #0,2,2: 22:[32, 35] Operation: 53-18=35 Moving to Node #0,1 Current State: 22:[65, 18, 20], Operations: ['53-33=20'] Exploring Operation: 65-20=45, Resulting Numbers: [18, 45] Generated Node #0,1,0: 22:[18, 45] Operation: 65-20=45 Exploring Operation: 20-18=2, Resulting Numbers: [65, 2] Generated Node #0,1,1: 22:[65, 2] Operation: 20-18=2 Exploring Operation: 65-18=47, Resulting Numbers: [20, 47] Generated Node #0,1,2: 22:[20, 47] Operation: 65-18=47 Moving to Node #0,2,0 Current State: 22:[18, 21], Operations: ['65-33=32', '53-32=21'] Exploring Operation: 18*21=378, Resulting Numbers: [378] 378,22 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 18+21=39, Resulting Numbers: [39] 39,22 unequal: No Solution Moving to Node #0,2,2 Current State: 22:[32, 35], Operations: ['65-33=32', '53-18=35'] Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 32+35=67, Resulting Numbers: [67] 67,22 unequal: No Solution Exploring Operation: 32*35=1120, Resulting Numbers: [1120] 1120,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[20, 47], Operations: ['53-33=20', '65-18=47'] Exploring Operation: 20+47=67, Resulting Numbers: [67] 67,22 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 20*47=940, Resulting Numbers: [940] 940,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[18, 45], Operations: ['53-33=20', '65-20=45'] Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 18*45=810, Resulting Numbers: [810] 810,22 unequal: No Solution Exploring Operation: 18+45=63, Resulting Numbers: [63] 63,22 unequal: No Solution Moving to Node #0,2,1 Current State: 22:[53, 14], Operations: ['65-33=32', '32-18=14'] Exploring Operation: 53+14=67, Resulting Numbers: [67] 67,22 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,22 unequal: No Solution Exploring Operation: 53*14=742, Resulting Numbers: [742] 742,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[65, 2], Operations: ['53-33=20', '20-18=2'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,22 unequal: No Solution Exploring Operation: 65*2=130, Resulting Numbers: [130] 130,22 unequal: No Solution Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,22 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 18, 13, 40, 34 ]
42
[ "18-13=5", "40/5=8", "34+8=42" ]
Current State: 42:[18, 13, 40, 34], Operations: [] Exploring Operation: 18-13=5, Resulting Numbers: [40, 34, 5] Generated Node #2: [40, 34, 5] from Operation: 18-13=5 Current State: 42:[40, 34, 5], Operations: ['18-13=5'] Exploring Operation: 40/5=8, Resulting Numbers: [34, 8] Generated Node #3: [34, 8] from Operation: 40/5=8 Current State: 42:[34, 8], Operations: ['18-13=5', '40/5=8'] Exploring Operation: 34+8=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[18, 13, 40, 34], Operations: [] Exploring Operation: 34-13=21, Resulting Numbers: [18, 40, 21] Generated Node #0,0: 42:[18, 40, 21] Operation: 34-13=21 Exploring Operation: 34-18=16, Resulting Numbers: [13, 40, 16] Generated Node #0,1: 42:[13, 40, 16] Operation: 34-18=16 Exploring Operation: 40-34=6, Resulting Numbers: [18, 13, 6] Generated Node #0,2: 42:[18, 13, 6] Operation: 40-34=6 Exploring Operation: 40-18=22, Resulting Numbers: [13, 34, 22] Generated Node #0,3: 42:[13, 34, 22] Operation: 40-18=22 Exploring Operation: 13+34=47, Resulting Numbers: [18, 40, 47] Generated Node #0,4: 42:[18, 40, 47] Operation: 13+34=47 Moving to Node #0,2 Current State: 42:[18, 13, 6], Operations: ['40-34=6'] Exploring Operation: 18-13=5, Resulting Numbers: [6, 5] Generated Node #0,2,0: 42:[6, 5] Operation: 18-13=5 Exploring Operation: 13-6=7, Resulting Numbers: [18, 7] Generated Node #0,2,1: 42:[18, 7] Operation: 13-6=7 Exploring Operation: 18-6=12, Resulting Numbers: [13, 12] Generated Node #0,2,2: 42:[13, 12] Operation: 18-6=12 Exploring Operation: 18+6=24, Resulting Numbers: [13, 24] Generated Node #0,2,3: 42:[13, 24] Operation: 18+6=24 Exploring Operation: 18/6=3, Resulting Numbers: [13, 3] Generated Node #0,2,4: 42:[13, 3] Operation: 18/6=3 Moving to Node #0,1 Current State: 42:[13, 40, 16], Operations: ['34-18=16'] Exploring Operation: 13+16=29, Resulting Numbers: [40, 29] Generated Node #0,1,0: 42:[40, 29] Operation: 13+16=29 Exploring Operation: 40-13=27, Resulting Numbers: [16, 27] Generated Node #0,1,1: 42:[16, 27] Operation: 40-13=27 Exploring Operation: 16-13=3, Resulting Numbers: [40, 3] Generated Node #0,1,2: 42:[40, 3] Operation: 16-13=3 Exploring Operation: 13+40=53, Resulting Numbers: [16, 53] Generated Node #0,1,3: 42:[16, 53] Operation: 13+40=53 Exploring Operation: 40-16=24, Resulting Numbers: [13, 24] Generated Node #0,1,4: 42:[13, 24] Operation: 40-16=24 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 42:[40, 3], Operations: ['34-18=16', '16-13=3'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,42 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:[13, 24], Operations: ['34-18=16', '40-16=24'] Exploring Operation: 13*24=312, Resulting Numbers: [312] 312,42 unequal: No Solution Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,42 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 #0,1,1 Current State: 42:[16, 27], Operations: ['34-18=16', '40-13=27'] Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,42 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 16+27=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 #0,1,0 Current State: 42:[40, 29], Operations: ['34-18=16', '13+16=29'] Exploring Operation: 40*29=1160, Resulting Numbers: [1160] 1160,42 unequal: No Solution Exploring Operation: 40+29=69, Resulting Numbers: [69] 69,42 unequal: No Solution Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,42 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:[16, 53], Operations: ['34-18=16', '13+40=53'] Exploring Operation: 53-16=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 16+53=69, Resulting Numbers: [69] 69,42 unequal: No Solution Exploring Operation: 16*53=848, Resulting Numbers: [848] 848,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 42:[18, 40, 21], Operations: ['34-13=21'] Exploring Operation: 18+21=39, Resulting Numbers: [40, 39] Generated Node #0,0,0: 42:[40, 39] Operation: 18+21=39 Exploring Operation: 40-18=22, Resulting Numbers: [21, 22] Generated Node #0,0,1: 42:[21, 22] Operation: 40-18=22 Exploring Operation: 21-18=3, Resulting Numbers: [40, 3] Generated Node #0,0,2: 42:[40, 3] Operation: 21-18=3 Exploring Operation: 18+40=58, Resulting Numbers: [21, 58] Generated Node #0,0,3: 42:[21, 58] Operation: 18+40=58 Exploring Operation: 40-21=19, Resulting Numbers: [18, 19] Generated Node #0,0,4: 42:[18, 19] Operation: 40-21=19 Moving to Node #0,3 Current State: 42:[13, 34, 22], Operations: ['40-18=22'] Exploring Operation: 13+34=47, Resulting Numbers: [22, 47] Generated Node #0,3,0: 42:[22, 47] Operation: 13+34=47 Exploring Operation: 34-13=21, Resulting Numbers: [22, 21] Generated Node #0,3,1: 42:[22, 21] Operation: 34-13=21 Exploring Operation: 22-13=9, Resulting Numbers: [34, 9] Generated Node #0,3,2: 42:[34, 9] Operation: 22-13=9 Exploring Operation: 13+22=35, Resulting Numbers: [34, 35] Generated Node #0,3,3: 42:[34, 35] Operation: 13+22=35 Exploring Operation: 34-22=12, Resulting Numbers: [13, 12] Generated Node #0,3,4: 42:[13, 12] Operation: 34-22=12 Moving to Node #0,4 Current State: 42:[18, 40, 47], Operations: ['13+34=47'] Exploring Operation: 18+40=58, Resulting Numbers: [47, 58] Generated Node #0,4,0: 42:[47, 58] Operation: 18+40=58 Exploring Operation: 47-40=7, Resulting Numbers: [18, 7] Generated Node #0,4,1: 42:[18, 7] Operation: 47-40=7 Exploring Operation: 47-18=29, Resulting Numbers: [40, 29] Generated Node #0,4,2: 42:[40, 29] Operation: 47-18=29 Exploring Operation: 18+47=65, Resulting Numbers: [40, 65] Generated Node #0,4,3: 42:[40, 65] Operation: 18+47=65 Exploring Operation: 40-18=22, Resulting Numbers: [47, 22] Generated Node #0,4,4: 42:[47, 22] Operation: 40-18=22 Moving to Node #0,2,0 Current State: 42:[6, 5], Operations: ['40-34=6', '18-13=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,42 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[21, 22], Operations: ['34-13=21', '40-18=22'] Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 21*22=462, Resulting Numbers: [462] 462,42 unequal: No Solution Moving to Node #0,2,4 Current State: 42:[13, 3], Operations: ['40-34=6', '18/6=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,42 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,42 unequal: No Solution Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,42 unequal: No Solution Moving to Node #0,3,1 Current State: 42:[22, 21], Operations: ['40-18=22', '34-13=21'] Exploring Operation: 22+21=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 22*21=462, Resulting Numbers: [462] 462,42 unequal: No Solution Moving to Node #0,0,2 Current State: 42:[40, 3], Operations: ['34-13=21', '21-18=3'] Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,42 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[18, 7], Operations: ['40-34=6', '13-6=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,42 unequal: No Solution Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,42 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,42 unequal: No Solution Moving to Node #0,3,4 Current State: 42:[13, 12], Operations: ['40-18=22', '34-22=12'] Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,42 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[13, 12], Operations: ['40-34=6', '18-6=12'] Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,42 unequal: No Solution Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,42 unequal: No Solution Moving to Node #0,4,1 Current State: 42:[18, 7], Operations: ['13+34=47', '47-40=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,42 unequal: No Solution Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,42 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,42 unequal: No Solution Moving to Node #0,2,3 Current State: 42:[13, 24], Operations: ['40-34=6', '18+6=24'] Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 13*24=312, Resulting Numbers: [312] 312,42 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,42 unequal: No Solution Moving to Node #0,0,4 Current State: 42:[18, 19], Operations: ['34-13=21', '40-21=19'] Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,42 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[40, 39], Operations: ['34-13=21', '18+21=39'] Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,42 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,42 unequal: No Solution Moving to Node #0,3,0 Current State: 42:[22, 47], Operations: ['40-18=22', '13+34=47'] Exploring Operation: 47-22=25, Resulting Numbers: [25] 25,42 unequal: No Solution Exploring Operation: 22*47=1034, Resulting Numbers: [1034] 1034,42 unequal: No Solution Exploring Operation: 22+47=69, Resulting Numbers: [69] 69,42 unequal: No Solution Moving to Node #0,4,4 Current State: 42:[47, 22], Operations: ['13+34=47', '40-18=22'] Exploring Operation: 47*22=1034, Resulting Numbers: [1034] 1034,42 unequal: No Solution Exploring Operation: 47+22=69, Resulting Numbers: [69] 69,42 unequal: No Solution Exploring Operation: 47-22=25, Resulting Numbers: [25] 25,42 unequal: No Solution Moving to Node #0,3,2 Current State: 42:[34, 9], Operations: ['40-18=22', '22-13=9'] Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,42 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,42 unequal: No Solution Moving to Node #0,4,2 Current State: 42:[40, 29], Operations: ['13+34=47', '47-18=29'] Exploring Operation: 40*29=1160, Resulting Numbers: [1160] 1160,42 unequal: No Solution Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 40+29=69, Resulting Numbers: [69] 69,42 unequal: No Solution Moving to Node #0,3,3 Current State: 42:[34, 35], Operations: ['40-18=22', '13+22=35'] Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 34+35=69, Resulting Numbers: [69] 69,42 unequal: No Solution Exploring Operation: 34*35=1190, Resulting Numbers: [1190] 1190,42 unequal: No Solution Moving to Node #0,0,3 Current State: 42:[21, 58], Operations: ['34-13=21', '18+40=58'] Exploring Operation: 21*58=1218, Resulting Numbers: [1218] 1218,42 unequal: No Solution Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 21+58=79, Resulting Numbers: [79] 79,42 unequal: No Solution Moving to Node #0,4,0 Current State: 42:[47, 58], Operations: ['13+34=47', '18+40=58'] Exploring Operation: 47+58=105, Resulting Numbers: [105] 105,42 unequal: No Solution Exploring Operation: 47*58=2726, Resulting Numbers: [2726] 2726,42 unequal: No Solution Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,42 unequal: No Solution Moving to Node #0,4,3 Current State: 42:[40, 65], Operations: ['13+34=47', '18+47=65'] Exploring Operation: 40+65=105, Resulting Numbers: [105] 105,42 unequal: No Solution Exploring Operation: 40*65=2600, Resulting Numbers: [2600] 2600,42 unequal: No Solution Exploring Operation: 65-40=25, Resulting Numbers: [25] 25,42 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 14, 86, 2, 4 ]
16
[ "86-14=72", "72/4=18", "18-2=16" ]
Current State: 16:[14, 86, 2, 4], Operations: [] Exploring Operation: 86-14=72, Resulting Numbers: [2, 4, 72] Generated Node #2: [2, 4, 72] from Operation: 86-14=72 Current State: 16:[2, 4, 72], Operations: ['86-14=72'] Exploring Operation: 72/4=18, Resulting Numbers: [2, 18] Generated Node #3: [2, 18] from Operation: 72/4=18 Current State: 16:[2, 18], Operations: ['86-14=72', '72/4=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[14, 86, 2, 4], Operations: [] Exploring Operation: 86-4=82, Resulting Numbers: [14, 2, 82] Generated Node #0,0: 16:[14, 2, 82] Operation: 86-4=82 Exploring Operation: 86-14=72, Resulting Numbers: [2, 4, 72] Generated Node #0,1: 16:[2, 4, 72] Operation: 86-14=72 Exploring Operation: 14+2=16, Resulting Numbers: [86, 4, 16] Generated Node #0,2: 16:[86, 4, 16] Operation: 14+2=16 Exploring Operation: 86/2=43, Resulting Numbers: [14, 4, 43] Generated Node #0,3: 16:[14, 4, 43] Operation: 86/2=43 Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[14, 4, 43], Operations: ['86/2=43'] Exploring Operation: 14-4=10, Resulting Numbers: [43, 10] Generated Node #0,3,0: 16:[43, 10] Operation: 14-4=10 Exploring Operation: 43-4=39, Resulting Numbers: [14, 39] Generated Node #0,3,1: 16:[14, 39] Operation: 43-4=39 Exploring Operation: 43-14=29, Resulting Numbers: [4, 29] Generated Node #0,3,2: 16:[4, 29] Operation: 43-14=29 Exploring Operation: 14+4=18, Resulting Numbers: [43, 18] Generated Node #0,3,3: 16:[43, 18] Operation: 14+4=18 Moving to Node #0,3,2 Current State: 16:[4, 29], Operations: ['86/2=43', '43-14=29'] Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 4*29=116, Resulting Numbers: [116] 116,16 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[14, 39], Operations: ['86/2=43', '43-4=39'] Exploring Operation: 14+39=53, Resulting Numbers: [53] 53,16 unequal: No Solution Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 14*39=546, Resulting Numbers: [546] 546,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[43, 18], Operations: ['86/2=43', '14+4=18'] Exploring Operation: 43*18=774, Resulting Numbers: [774] 774,16 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 43+18=61, Resulting Numbers: [61] 61,16 unequal: No Solution Moving to Node #0,3,0 Current State: 16:[43, 10], Operations: ['86/2=43', '14-4=10'] Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,16 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 43*10=430, Resulting Numbers: [430] 430,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[2, 4, 72], Operations: ['86-14=72'] Exploring Operation: 72-4=68, Resulting Numbers: [2, 68] Generated Node #0,1,0: 16:[2, 68] Operation: 72-4=68 Exploring Operation: 72-2=70, Resulting Numbers: [4, 70] Generated Node #0,1,1: 16:[4, 70] Operation: 72-2=70 Exploring Operation: 72/4=18, Resulting Numbers: [2, 18] Generated Node #0,1,2: 16:[2, 18] Operation: 72/4=18 Exploring Operation: 72/2=36, Resulting Numbers: [4, 36] Generated Node #0,1,3: 16:[4, 36] Operation: 72/2=36 Moving to Node #0,1,2 Current State: 16:[2, 18], Operations: ['86-14=72', '72/4=18'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[14, 86, 2, 4], Operations: [] Exploring Operation: 86-14=72, Resulting Numbers: [2, 4, 72] Generated Node #0,1: 16:[2, 4, 72] Operation: 86-14=72 Moving to Node #0,1 Current State: 16:[2, 4, 72], Operations: ['86-14=72'] Exploring Operation: 72/4=18, Resulting Numbers: [2, 18] Generated Node #0,1,2: 16:[2, 18] Operation: 72/4=18 Moving to Node #0,1,2 Current State: 16:[2, 18], Operations: ['86-14=72', '72/4=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 98, 98, 84, 82 ]
89
[ "98-84=14", "98/14=7", "82+7=89" ]
Current State: 89:[98, 98, 84, 82], Operations: [] Exploring Operation: 98-84=14, Resulting Numbers: [82, 14] Generated Node #2: [82, 14] from Operation: 98-84=14 Current State: 89:[82, 14], Operations: ['98-84=14'] Exploring Operation: 98/14=7, Resulting Numbers: [82, 7] Generated Node #3: [82, 7] from Operation: 98/14=7 Current State: 89:[82, 7], Operations: ['98-84=14', '98/14=7'] Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[98, 98, 84, 82], Operations: [] Exploring Operation: 98-82=16, Resulting Numbers: [98, 84, 16] Generated Node #0,0: 89:[98, 84, 16] Operation: 98-82=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[98, 84, 16], Operations: ['98-82=16'] Exploring Operation: 98-16=82, Resulting Numbers: [84, 82] Generated Node #0,0,0: 89:[84, 82] Operation: 98-16=82 Moving to Node #0,0,0 Current State: 89:[84, 82], Operations: ['98-82=16', '98-16=82'] Exploring Operation: 84+82=166, Resulting Numbers: [166] 166,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 51, 7, 19, 42 ]
67
[ "51-7=44", "42-19=23", "44+23=67" ]
Current State: 67:[51, 7, 19, 42], Operations: [] Exploring Operation: 51-7=44, Resulting Numbers: [19, 42, 44] Generated Node #2: [19, 42, 44] from Operation: 51-7=44 Current State: 67:[19, 42, 44], Operations: ['51-7=44'] Exploring Operation: 42-19=23, Resulting Numbers: [44, 23] Generated Node #3: [44, 23] from Operation: 42-19=23 Current State: 67:[44, 23], Operations: ['51-7=44', '42-19=23'] Exploring Operation: 44+23=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[51, 7, 19, 42], Operations: [] Exploring Operation: 51+7=58, Resulting Numbers: [19, 42, 58] Generated Node #0,0: 67:[19, 42, 58] Operation: 51+7=58 Exploring Operation: 7+42=49, Resulting Numbers: [51, 19, 49] Generated Node #0,1: 67:[51, 19, 49] Operation: 7+42=49 Exploring Operation: 7+19=26, Resulting Numbers: [51, 42, 26] Generated Node #0,2: 67:[51, 42, 26] Operation: 7+19=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[19, 42, 58], Operations: ['51+7=58'] Exploring Operation: 42-19=23, Resulting Numbers: [58, 23] Generated Node #0,0,0: 67:[58, 23] Operation: 42-19=23 Exploring Operation: 19+42=61, Resulting Numbers: [58, 61] Generated Node #0,0,1: 67:[58, 61] Operation: 19+42=61 Exploring Operation: 19+58=77, Resulting Numbers: [42, 77] Generated Node #0,0,2: 67:[42, 77] Operation: 19+58=77 Moving to Node #0,0,1 Current State: 67:[58, 61], Operations: ['51+7=58', '19+42=61'] Exploring Operation: 58*61=3538, Resulting Numbers: [3538] 3538,67 unequal: No Solution Exploring Operation: 58+61=119, Resulting Numbers: [119] 119,67 unequal: No Solution Exploring Operation: 61-58=3, Resulting Numbers: [3] 3,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[42, 77], Operations: ['51+7=58', '19+58=77'] Exploring Operation: 42*77=3234, Resulting Numbers: [3234] 3234,67 unequal: No Solution Exploring Operation: 77-42=35, Resulting Numbers: [35] 35,67 unequal: No Solution Exploring Operation: 42+77=119, Resulting Numbers: [119] 119,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[58, 23], Operations: ['51+7=58', '42-19=23'] Exploring Operation: 58*23=1334, Resulting Numbers: [1334] 1334,67 unequal: No Solution Exploring Operation: 58+23=81, Resulting Numbers: [81] 81,67 unequal: No Solution Exploring Operation: 58-23=35, Resulting Numbers: [35] 35,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[51, 19, 49], Operations: ['7+42=49'] Exploring Operation: 51-19=32, Resulting Numbers: [49, 32] Generated Node #0,1,0: 67:[49, 32] Operation: 51-19=32 Exploring Operation: 19+49=68, Resulting Numbers: [51, 68] Generated Node #0,1,1: 67:[51, 68] Operation: 19+49=68 Exploring Operation: 51+19=70, Resulting Numbers: [49, 70] Generated Node #0,1,2: 67:[49, 70] Operation: 51+19=70 Moving to Node #0,1,1 Current State: 67:[51, 68], Operations: ['7+42=49', '19+49=68'] Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,67 unequal: No Solution Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,67 unequal: No Solution Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[49, 70], Operations: ['7+42=49', '51+19=70'] Exploring Operation: 49*70=3430, Resulting Numbers: [3430] 3430,67 unequal: No Solution Exploring Operation: 70-49=21, Resulting Numbers: [21] 21,67 unequal: No Solution Exploring Operation: 49+70=119, Resulting Numbers: [119] 119,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[49, 32], Operations: ['7+42=49', '51-19=32'] Exploring Operation: 49-32=17, Resulting Numbers: [17] 17,67 unequal: No Solution Exploring Operation: 49*32=1568, Resulting Numbers: [1568] 1568,67 unequal: No Solution Exploring Operation: 49+32=81, Resulting Numbers: [81] 81,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[51, 42, 26], Operations: ['7+19=26'] Exploring Operation: 51+26=77, Resulting Numbers: [42, 77] Generated Node #0,2,0: 67:[42, 77] Operation: 51+26=77 Exploring Operation: 51+42=93, Resulting Numbers: [26, 93] Generated Node #0,2,1: 67:[26, 93] Operation: 51+42=93 Exploring Operation: 42+26=68, Resulting Numbers: [51, 68] Generated Node #0,2,2: 67:[51, 68] Operation: 42+26=68 Moving to Node #0,2,2 Current State: 67:[51, 68], Operations: ['7+19=26', '42+26=68'] Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,67 unequal: No Solution Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,67 unequal: No Solution Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[42, 77], Operations: ['7+19=26', '51+26=77'] Exploring Operation: 42+77=119, Resulting Numbers: [119] 119,67 unequal: No Solution Exploring Operation: 42*77=3234, Resulting Numbers: [3234] 3234,67 unequal: No Solution Exploring Operation: 77-42=35, Resulting Numbers: [35] 35,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[26, 93], Operations: ['7+19=26', '51+42=93'] Exploring Operation: 26*93=2418, Resulting Numbers: [2418] 2418,67 unequal: No Solution Exploring Operation: 26+93=119, Resulting Numbers: [119] 119,67 unequal: No Solution Exploring Operation: 93-26=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[51, 7, 19, 42], Operations: [] Exploring Operation: 7+19=26, Resulting Numbers: [51, 42, 26] Generated Node #0,2: 67:[51, 42, 26] Operation: 7+19=26 Moving to Node #0,2 Current State: 67:[51, 42, 26], Operations: ['7+19=26'] Exploring Operation: 51+42=93, Resulting Numbers: [26, 93] Generated Node #0,2,1: 67:[26, 93] Operation: 51+42=93 Moving to Node #0,2,1 Current State: 67:[26, 93], Operations: ['7+19=26', '51+42=93'] Exploring Operation: 93-26=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_3
sum_heuristic
[ 31, 14, 44, 79 ]
80
[ "31+14=45", "79-44=35", "45+35=80" ]
Current State: 80:[31, 14, 44, 79], Operations: [] Exploring Operation: 31+14=45, Resulting Numbers: [44, 79, 45] Generated Node #2: [44, 79, 45] from Operation: 31+14=45 Current State: 80:[44, 79, 45], Operations: ['31+14=45'] Exploring Operation: 79-44=35, Resulting Numbers: [45, 35] Generated Node #3: [45, 35] from Operation: 79-44=35 Current State: 80:[45, 35], Operations: ['31+14=45', '79-44=35'] Exploring Operation: 45+35=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[31, 14, 44, 79], Operations: [] Exploring Operation: 31-14=17, Resulting Numbers: [44, 79, 17] Generated Node #0,0: 80:[44, 79, 17] Operation: 31-14=17 Exploring Operation: 44-31=13, Resulting Numbers: [14, 79, 13] Generated Node #0,1: 80:[14, 79, 13] Operation: 44-31=13 Exploring Operation: 31+44=75, Resulting Numbers: [14, 79, 75] Generated Node #0,2: 80:[14, 79, 75] Operation: 31+44=75 Exploring Operation: 31+14=45, Resulting Numbers: [44, 79, 45] Generated Node #0,3: 80:[44, 79, 45] Operation: 31+14=45 Moving to Node #0,0 Current State: 80:[44, 79, 17], Operations: ['31-14=17'] Exploring Operation: 79-44=35, Resulting Numbers: [17, 35] Generated Node #0,0,0: 80:[17, 35] Operation: 79-44=35 Exploring Operation: 44-17=27, Resulting Numbers: [79, 27] Generated Node #0,0,1: 80:[79, 27] Operation: 44-17=27 Exploring Operation: 79+17=96, Resulting Numbers: [44, 96] Generated Node #0,0,2: 80:[44, 96] Operation: 79+17=96 Exploring Operation: 44+17=61, Resulting Numbers: [79, 61] Generated Node #0,0,3: 80:[79, 61] Operation: 44+17=61 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[17, 35], Operations: ['31-14=17', '79-44=35'] Exploring Operation: 17*35=595, Resulting Numbers: [595] 595,80 unequal: No Solution Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 17+35=52, Resulting Numbers: [52] 52,80 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 #0,0,1 Current State: 80:[79, 27], Operations: ['31-14=17', '44-17=27'] Exploring Operation: 79*27=2133, Resulting Numbers: [2133] 2133,80 unequal: No Solution Exploring Operation: 79+27=106, Resulting Numbers: [106] 106,80 unequal: No Solution Exploring Operation: 79-27=52, Resulting Numbers: [52] 52,80 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 #0,0,2 Current State: 80:[44, 96], Operations: ['31-14=17', '79+17=96'] Exploring Operation: 44+96=140, Resulting Numbers: [140] 140,80 unequal: No Solution Exploring Operation: 96-44=52, Resulting Numbers: [52] 52,80 unequal: No Solution Exploring Operation: 44*96=4224, Resulting Numbers: [4224] 4224,80 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 #0,0,3 Current State: 80:[79, 61], Operations: ['31-14=17', '44+17=61'] Exploring Operation: 79*61=4819, Resulting Numbers: [4819] 4819,80 unequal: No Solution Exploring Operation: 79-61=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 79+61=140, Resulting Numbers: [140] 140,80 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: 80:[14, 79, 13], Operations: ['44-31=13'] Exploring Operation: 14+13=27, Resulting Numbers: [79, 27] Generated Node #0,1,0: 80:[79, 27] Operation: 14+13=27 Exploring Operation: 14+79=93, Resulting Numbers: [13, 93] Generated Node #0,1,1: 80:[13, 93] Operation: 14+79=93 Exploring Operation: 14-13=1, Resulting Numbers: [79, 1] Generated Node #0,1,2: 80:[79, 1] Operation: 14-13=1 Exploring Operation: 79+13=92, Resulting Numbers: [14, 92] Generated Node #0,1,3: 80:[14, 92] Operation: 79+13=92 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 80:[79, 1], Operations: ['44-31=13', '14-13=1'] Exploring Operation: 79*1=79, Resulting Numbers: [79] 79,80 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,80 unequal: No Solution Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,80 unequal: No Solution Exploring Operation: 79+1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[31, 14, 44, 79], Operations: [] Exploring Operation: 44-31=13, Resulting Numbers: [14, 79, 13] Generated Node #0,1: 80:[14, 79, 13] Operation: 44-31=13 Moving to Node #0,1 Current State: 80:[14, 79, 13], Operations: ['44-31=13'] Exploring Operation: 14-13=1, Resulting Numbers: [79, 1] Generated Node #0,1,2: 80:[79, 1] Operation: 14-13=1 Moving to Node #0,1,2 Current State: 80:[79, 1], Operations: ['44-31=13', '14-13=1'] Exploring Operation: 79+1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 90, 79, 70, 56 ]
25
[ "90-79=11", "70-56=14", "11+14=25" ]
Current State: 25:[90, 79, 70, 56], Operations: [] Exploring Operation: 90-79=11, Resulting Numbers: [70, 56, 11] Generated Node #2: [70, 56, 11] from Operation: 90-79=11 Current State: 25:[70, 56, 11], Operations: ['90-79=11'] Exploring Operation: 70-56=14, Resulting Numbers: [11, 14] Generated Node #3: [11, 14] from Operation: 70-56=14 Current State: 25:[11, 14], Operations: ['90-79=11', '70-56=14'] Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[90, 79, 70, 56], Operations: [] Exploring Operation: 90-70=20, Resulting Numbers: [79, 56, 20] Generated Node #0,0: 25:[79, 56, 20] Operation: 90-70=20 Exploring Operation: 90-79=11, Resulting Numbers: [70, 56, 11] Generated Node #0,1: 25:[70, 56, 11] Operation: 90-79=11 Exploring Operation: 79-70=9, Resulting Numbers: [90, 56, 9] Generated Node #0,2: 25:[90, 56, 9] Operation: 79-70=9 Exploring Operation: 79-56=23, Resulting Numbers: [90, 70, 23] Generated Node #0,3: 25:[90, 70, 23] Operation: 79-56=23 Exploring Operation: 90-56=34, Resulting Numbers: [79, 70, 34] Generated Node #0,4: 25:[79, 70, 34] Operation: 90-56=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[70, 56, 11], Operations: ['90-79=11'] Exploring Operation: 56-11=45, Resulting Numbers: [70, 45] Generated Node #0,1,0: 25:[70, 45] Operation: 56-11=45 Exploring Operation: 56+11=67, Resulting Numbers: [70, 67] Generated Node #0,1,1: 25:[70, 67] Operation: 56+11=67 Exploring Operation: 70-11=59, Resulting Numbers: [56, 59] Generated Node #0,1,2: 25:[56, 59] Operation: 70-11=59 Exploring Operation: 70-56=14, Resulting Numbers: [11, 14] Generated Node #0,1,3: 25:[11, 14] Operation: 70-56=14 Exploring Operation: 70+11=81, Resulting Numbers: [56, 81] Generated Node #0,1,4: 25:[56, 81] Operation: 70+11=81 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 25:[11, 14], Operations: ['90-79=11', '70-56=14'] Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,25 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[90, 79, 70, 56], Operations: [] Exploring Operation: 90-79=11, Resulting Numbers: [70, 56, 11] Generated Node #0,1: 25:[70, 56, 11] Operation: 90-79=11 Moving to Node #0,1 Current State: 25:[70, 56, 11], Operations: ['90-79=11'] Exploring Operation: 70-56=14, Resulting Numbers: [11, 14] Generated Node #0,1,3: 25:[11, 14] Operation: 70-56=14 Moving to Node #0,1,3 Current State: 25:[11, 14], Operations: ['90-79=11', '70-56=14'] Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 21, 63, 55, 70 ]
18
[ "63/21=3", "70-55=15", "3+15=18" ]
Current State: 18:[21, 63, 55, 70], Operations: [] Exploring Operation: 63/21=3, Resulting Numbers: [55, 70, 3] Generated Node #2: [55, 70, 3] from Operation: 63/21=3 Current State: 18:[55, 70, 3], Operations: ['63/21=3'] Exploring Operation: 70-55=15, Resulting Numbers: [3, 15] Generated Node #3: [3, 15] from Operation: 70-55=15 Current State: 18:[3, 15], Operations: ['63/21=3', '70-55=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[21, 63, 55, 70], Operations: [] Exploring Operation: 70-55=15, Resulting Numbers: [21, 63, 15] Generated Node #0,0: 18:[21, 63, 15] Operation: 70-55=15 Exploring Operation: 63/21=3, Resulting Numbers: [55, 70, 3] Generated Node #0,1: 18:[55, 70, 3] Operation: 63/21=3 Exploring Operation: 63-55=8, Resulting Numbers: [21, 70, 8] Generated Node #0,2: 18:[21, 70, 8] Operation: 63-55=8 Exploring Operation: 70-63=7, Resulting Numbers: [21, 55, 7] Generated Node #0,3: 18:[21, 55, 7] Operation: 70-63=7 Moving to Node #0,3 Current State: 18:[21, 55, 7], Operations: ['70-63=7'] Exploring Operation: 21/7=3, Resulting Numbers: [55, 3] Generated Node #0,3,0: 18:[55, 3] Operation: 21/7=3 Exploring Operation: 21-7=14, Resulting Numbers: [55, 14] Generated Node #0,3,1: 18:[55, 14] Operation: 21-7=14 Exploring Operation: 55-21=34, Resulting Numbers: [7, 34] Generated Node #0,3,2: 18:[7, 34] Operation: 55-21=34 Exploring Operation: 55-7=48, Resulting Numbers: [21, 48] Generated Node #0,3,3: 18:[21, 48] Operation: 55-7=48 Moving to Node #0,0 Current State: 18:[21, 63, 15], Operations: ['70-55=15'] Exploring Operation: 21-15=6, Resulting Numbers: [63, 6] Generated Node #0,0,0: 18:[63, 6] Operation: 21-15=6 Exploring Operation: 63/21=3, Resulting Numbers: [15, 3] Generated Node #0,0,1: 18:[15, 3] Operation: 63/21=3 Exploring Operation: 63-15=48, Resulting Numbers: [21, 48] Generated Node #0,0,2: 18:[21, 48] Operation: 63-15=48 Exploring Operation: 63-21=42, Resulting Numbers: [15, 42] Generated Node #0,0,3: 18:[15, 42] Operation: 63-21=42 Moving to Node #0,2 Current State: 18:[21, 70, 8], Operations: ['63-55=8'] Exploring Operation: 70-8=62, Resulting Numbers: [21, 62] Generated Node #0,2,0: 18:[21, 62] Operation: 70-8=62 Exploring Operation: 21-8=13, Resulting Numbers: [70, 13] Generated Node #0,2,1: 18:[70, 13] Operation: 21-8=13 Exploring Operation: 21+8=29, Resulting Numbers: [70, 29] Generated Node #0,2,2: 18:[70, 29] Operation: 21+8=29 Exploring Operation: 70-21=49, Resulting Numbers: [8, 49] Generated Node #0,2,3: 18:[8, 49] Operation: 70-21=49 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 18:[8, 49], Operations: ['63-55=8', '70-21=49'] Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,18 unequal: No Solution Exploring Operation: 8+49=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 8*49=392, Resulting Numbers: [392] 392,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 18:[21, 62], Operations: ['63-55=8', '70-8=62'] Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,18 unequal: No Solution Exploring Operation: 21*62=1302, Resulting Numbers: [1302] 1302,18 unequal: No Solution Exploring Operation: 21+62=83, Resulting Numbers: [83] 83,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 18:[70, 13], Operations: ['63-55=8', '21-8=13'] Exploring Operation: 70+13=83, Resulting Numbers: [83] 83,18 unequal: No Solution Exploring Operation: 70*13=910, Resulting Numbers: [910] 910,18 unequal: No Solution Exploring Operation: 70-13=57, Resulting Numbers: [57] 57,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 18:[70, 29], Operations: ['63-55=8', '21+8=29'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,18 unequal: No Solution Exploring Operation: 70*29=2030, Resulting Numbers: [2030] 2030,18 unequal: No Solution Exploring Operation: 70+29=99, Resulting Numbers: [99] 99,18 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: 18:[55, 70, 3], Operations: ['63/21=3'] Exploring Operation: 55-3=52, Resulting Numbers: [70, 52] Generated Node #0,1,0: 18:[70, 52] Operation: 55-3=52 Exploring Operation: 70-55=15, Resulting Numbers: [3, 15] Generated Node #0,1,1: 18:[3, 15] Operation: 70-55=15 Exploring Operation: 55+3=58, Resulting Numbers: [70, 58] Generated Node #0,1,2: 18:[70, 58] Operation: 55+3=58 Exploring Operation: 70-3=67, Resulting Numbers: [55, 67] Generated Node #0,1,3: 18:[55, 67] Operation: 70-3=67 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[3, 15], Operations: ['63/21=3', '70-55=15'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,18 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,18 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[21, 63, 55, 70], Operations: [] Exploring Operation: 63/21=3, Resulting Numbers: [55, 70, 3] Generated Node #0,1: 18:[55, 70, 3] Operation: 63/21=3 Moving to Node #0,1 Current State: 18:[55, 70, 3], Operations: ['63/21=3'] Exploring Operation: 70-55=15, Resulting Numbers: [3, 15] Generated Node #0,1,1: 18:[3, 15] Operation: 70-55=15 Moving to Node #0,1,1 Current State: 18:[3, 15], Operations: ['63/21=3', '70-55=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_4
sum_heuristic
[ 42, 2, 45, 45 ]
96
[ "45-42=3", "45+3=48", "2*48=96" ]
Current State: 96:[42, 2, 45, 45], Operations: [] Exploring Operation: 45-42=3, Resulting Numbers: [2, 3] Generated Node #2: [2, 3] from Operation: 45-42=3 Current State: 96:[2, 3], Operations: ['45-42=3'] Exploring Operation: 45+3=48, Resulting Numbers: [2, 48] Generated Node #3: [2, 48] from Operation: 45+3=48 Current State: 96:[2, 48], Operations: ['45-42=3', '45+3=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[42, 2, 45, 45], Operations: [] Exploring Operation: 45/45=1, Resulting Numbers: [42, 2, 1] Generated Node #0,0: 96:[42, 2, 1] Operation: 45/45=1 Exploring Operation: 45-42=3, Resulting Numbers: [2, 45, 3] Generated Node #0,1: 96:[2, 45, 3] Operation: 45-42=3 Exploring Operation: 45-45=0, Resulting Numbers: [42, 2, 0] Generated Node #0,2: 96:[42, 2, 0] Operation: 45-45=0 Exploring Operation: 45-42=3, Resulting Numbers: [2, 45, 3] Generated Node #0,3: 96:[2, 45, 3] Operation: 45-42=3 Moving to Node #0,1 Current State: 96:[2, 45, 3], Operations: ['45-42=3'] Exploring Operation: 45/3=15, Resulting Numbers: [2, 15] Generated Node #0,1,0: 96:[2, 15] Operation: 45/3=15 Exploring Operation: 45+3=48, Resulting Numbers: [2, 48] Generated Node #0,1,1: 96:[2, 48] Operation: 45+3=48 Exploring Operation: 2*3=6, Resulting Numbers: [45, 6] Generated Node #0,1,2: 96:[45, 6] Operation: 2*3=6 Exploring Operation: 2+45=47, Resulting Numbers: [3, 47] Generated Node #0,1,3: 96:[3, 47] Operation: 2+45=47 Moving to Node #0,3 Current State: 96:[2, 45, 3], Operations: ['45-42=3'] Exploring Operation: 45/3=15, Resulting Numbers: [2, 15] Generated Node #0,3,0: 96:[2, 15] Operation: 45/3=15 Exploring Operation: 45+3=48, Resulting Numbers: [2, 48] Generated Node #0,3,1: 96:[2, 48] Operation: 45+3=48 Exploring Operation: 2*3=6, Resulting Numbers: [45, 6] Generated Node #0,3,2: 96:[45, 6] Operation: 2*3=6 Exploring Operation: 2+45=47, Resulting Numbers: [3, 47] Generated Node #0,3,3: 96:[3, 47] Operation: 2+45=47 Moving to Node #0,0 Current State: 96:[42, 2, 1], Operations: ['45/45=1'] Exploring Operation: 42+1=43, Resulting Numbers: [2, 43] Generated Node #0,0,0: 96:[2, 43] Operation: 42+1=43 Exploring Operation: 42*1=42, Resulting Numbers: [2, 42] Generated Node #0,0,1: 96:[2, 42] Operation: 42*1=42 Exploring Operation: 42/2=21, Resulting Numbers: [1, 21] Generated Node #0,0,2: 96:[1, 21] Operation: 42/2=21 Exploring Operation: 42+2=44, Resulting Numbers: [1, 44] Generated Node #0,0,3: 96:[1, 44] Operation: 42+2=44 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 96:[1, 21], Operations: ['45/45=1', '42/2=21'] Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 1*21=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 1+21=22, Resulting Numbers: [22] 22,96 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 #0,0,0 Current State: 96:[2, 43], Operations: ['45/45=1', '42+1=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,96 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,96 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,96 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 #0,0,3 Current State: 96:[1, 44], Operations: ['45/45=1', '42+2=44'] Exploring Operation: 1+44=45, Resulting Numbers: [45] 45,96 unequal: No Solution Exploring Operation: 1*44=44, Resulting Numbers: [44] 44,96 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,96 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,96 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 #0,0,1 Current State: 96:[2, 42], Operations: ['45/45=1', '42*1=42'] Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,96 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,96 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,96 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,96 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: 96:[42, 2, 0], Operations: ['45-45=0'] Exploring Operation: 42+0=42, Resulting Numbers: [2, 42] Generated Node #0,2,0: 96:[2, 42] Operation: 42+0=42 Exploring Operation: 42*0=0, Resulting Numbers: [2, 0] Generated Node #0,2,1: 96:[2, 0] Operation: 42*0=0 Exploring Operation: 42+2=44, Resulting Numbers: [0, 44] Generated Node #0,2,2: 96:[0, 44] Operation: 42+2=44 Exploring Operation: 42/2=21, Resulting Numbers: [0, 21] Generated Node #0,2,3: 96:[0, 21] Operation: 42/2=21 Moving to Node #0,1,1 Current State: 96:[2, 48], Operations: ['45-42=3', '45+3=48'] Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,96 unequal: No Solution Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[42, 2, 45, 45], Operations: [] Exploring Operation: 45-42=3, Resulting Numbers: [2, 45, 3] Generated Node #0,1: 96:[2, 45, 3] Operation: 45-42=3 Moving to Node #0,1 Current State: 96:[2, 45, 3], Operations: ['45-42=3'] Exploring Operation: 45+3=48, Resulting Numbers: [2, 48] Generated Node #0,1,1: 96:[2, 48] Operation: 45+3=48 Moving to Node #0,1,1 Current State: 96:[2, 48], Operations: ['45-42=3', '45+3=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.96441
hs_4
mult_heuristic
[ 9, 52, 59, 59 ]
44
[ "52-9=43", "59/59=1", "43+1=44" ]
Current State: 44:[9, 52, 59, 59], Operations: [] Exploring Operation: 52-9=43, Resulting Numbers: [59, 59, 43] Generated Node #2: [59, 59, 43] from Operation: 52-9=43 Current State: 44:[59, 59, 43], Operations: ['52-9=43'] Exploring Operation: 59/59=1, Resulting Numbers: [43, 1] Generated Node #3: [43, 1] from Operation: 59/59=1 Current State: 44:[43, 1], Operations: ['52-9=43', '59/59=1'] Exploring Operation: 43+1=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[9, 52, 59, 59], Operations: [] Exploring Operation: 59-52=7, Resulting Numbers: [9, 59, 7] Generated Node #0,0: 44:[9, 59, 7] Operation: 59-52=7 Exploring Operation: 59/59=1, Resulting Numbers: [9, 52, 1] Generated Node #0,1: 44:[9, 52, 1] Operation: 59/59=1 Exploring Operation: 59-59=0, Resulting Numbers: [9, 52, 0] Generated Node #0,2: 44:[9, 52, 0] Operation: 59-59=0 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[9, 52, 1], Operations: ['59/59=1'] Exploring Operation: 52-9=43, Resulting Numbers: [1, 43] Generated Node #0,1,0: 44:[1, 43] Operation: 52-9=43 Exploring Operation: 9+1=10, Resulting Numbers: [52, 10] Generated Node #0,1,1: 44:[52, 10] Operation: 9+1=10 Exploring Operation: 52-1=51, Resulting Numbers: [9, 51] Generated Node #0,1,2: 44:[9, 51] Operation: 52-1=51 Moving to Node #0,1,0 Current State: 44:[1, 43], Operations: ['59/59=1', '52-9=43'] Exploring Operation: 1+43=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[9, 52, 59, 59], Operations: [] Exploring Operation: 59/59=1, Resulting Numbers: [9, 52, 1] Generated Node #0,1: 44:[9, 52, 1] Operation: 59/59=1 Moving to Node #0,1 Current State: 44:[9, 52, 1], Operations: ['59/59=1'] Exploring Operation: 52-9=43, Resulting Numbers: [1, 43] Generated Node #0,1,0: 44:[1, 43] Operation: 52-9=43 Moving to Node #0,1,0 Current State: 44:[1, 43], Operations: ['59/59=1', '52-9=43'] Exploring Operation: 1+43=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 64, 95, 89, 93 ]
35
[ "95-64=31", "93-89=4", "31+4=35" ]
Current State: 35:[64, 95, 89, 93], Operations: [] Exploring Operation: 95-64=31, Resulting Numbers: [89, 93, 31] Generated Node #2: [89, 93, 31] from Operation: 95-64=31 Current State: 35:[89, 93, 31], Operations: ['95-64=31'] Exploring Operation: 93-89=4, Resulting Numbers: [31, 4] Generated Node #3: [31, 4] from Operation: 93-89=4 Current State: 35:[31, 4], Operations: ['95-64=31', '93-89=4'] Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[64, 95, 89, 93], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [64, 93, 6] Generated Node #0,0: 35:[64, 93, 6] Operation: 95-89=6 Exploring Operation: 93-89=4, Resulting Numbers: [64, 95, 4] Generated Node #0,1: 35:[64, 95, 4] Operation: 93-89=4 Exploring Operation: 95-93=2, Resulting Numbers: [64, 89, 2] Generated Node #0,2: 35:[64, 89, 2] Operation: 95-93=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[64, 89, 2], Operations: ['95-93=2'] Exploring Operation: 64-2=62, Resulting Numbers: [89, 62] Generated Node #0,2,0: 35:[89, 62] Operation: 64-2=62 Exploring Operation: 64/2=32, Resulting Numbers: [89, 32] Generated Node #0,2,1: 35:[89, 32] Operation: 64/2=32 Exploring Operation: 89-64=25, Resulting Numbers: [2, 25] Generated Node #0,2,2: 35:[2, 25] Operation: 89-64=25 Moving to Node #0,2,2 Current State: 35:[2, 25], Operations: ['95-93=2', '89-64=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[89, 32], Operations: ['95-93=2', '64/2=32'] Exploring Operation: 89*32=2848, Resulting Numbers: [2848] 2848,35 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 89+32=121, Resulting Numbers: [121] 121,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[89, 62], Operations: ['95-93=2', '64-2=62'] Exploring Operation: 89*62=5518, Resulting Numbers: [5518] 5518,35 unequal: No Solution Exploring Operation: 89-62=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 89+62=151, Resulting Numbers: [151] 151,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[64, 93, 6], Operations: ['95-89=6'] Exploring Operation: 93-64=29, Resulting Numbers: [6, 29] Generated Node #0,0,0: 35:[6, 29] Operation: 93-64=29 Exploring Operation: 93-6=87, Resulting Numbers: [64, 87] Generated Node #0,0,1: 35:[64, 87] Operation: 93-6=87 Exploring Operation: 64-6=58, Resulting Numbers: [93, 58] Generated Node #0,0,2: 35:[93, 58] Operation: 64-6=58 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[6, 29], Operations: ['95-89=6', '93-64=29'] Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,35 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[64, 95, 89, 93], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [64, 93, 6] Generated Node #0,0: 35:[64, 93, 6] Operation: 95-89=6 Moving to Node #0,0 Current State: 35:[64, 93, 6], Operations: ['95-89=6'] Exploring Operation: 93-64=29, Resulting Numbers: [6, 29] Generated Node #0,0,0: 35:[6, 29] Operation: 93-64=29 Moving to Node #0,0,0 Current State: 35:[6, 29], Operations: ['95-89=6', '93-64=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 75, 74, 55, 37 ]
35
[ "74*55=4070", "4070/37=110", "110-75=35" ]
Current State: 35:[75, 74, 55, 37], Operations: [] Exploring Operation: 74*55=4070, Resulting Numbers: [75, 37, 4070] Generated Node #2: [75, 37, 4070] from Operation: 74*55=4070 Current State: 35:[75, 37, 4070], Operations: ['74*55=4070'] Exploring Operation: 4070/37=110, Resulting Numbers: [75, 110] Generated Node #3: [75, 110] from Operation: 4070/37=110 Current State: 35:[75, 110], Operations: ['74*55=4070', '4070/37=110'] Exploring Operation: 110-75=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[75, 74, 55, 37], Operations: [] Exploring Operation: 75-55=20, Resulting Numbers: [74, 37, 20] Generated Node #0,0: 35:[74, 37, 20] Operation: 75-55=20 Exploring Operation: 75-37=38, Resulting Numbers: [74, 55, 38] Generated Node #0,1: 35:[74, 55, 38] Operation: 75-37=38 Exploring Operation: 74-37=37, Resulting Numbers: [75, 55, 37] Generated Node #0,2: 35:[75, 55, 37] Operation: 74-37=37 Exploring Operation: 75-74=1, Resulting Numbers: [55, 37, 1] Generated Node #0,3: 35:[55, 37, 1] Operation: 75-74=1 Exploring Operation: 74-55=19, Resulting Numbers: [75, 37, 19] Generated Node #0,4: 35:[75, 37, 19] Operation: 74-55=19 Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[55, 37, 1], Operations: ['75-74=1'] Exploring Operation: 37-1=36, Resulting Numbers: [55, 36] Generated Node #0,3,0: 35:[55, 36] Operation: 37-1=36 Exploring Operation: 55/1=55, Resulting Numbers: [37, 55] Generated Node #0,3,1: 35:[37, 55] Operation: 55/1=55 Exploring Operation: 55-1=54, Resulting Numbers: [37, 54] Generated Node #0,3,2: 35:[37, 54] Operation: 55-1=54 Exploring Operation: 55*1=55, Resulting Numbers: [37, 55] Generated Node #0,3,3: 35:[37, 55] Operation: 55*1=55 Exploring Operation: 55-37=18, Resulting Numbers: [1, 18] Generated Node #0,3,4: 35:[1, 18] Operation: 55-37=18 Moving to Node #0,3,4 Current State: 35:[1, 18], Operations: ['75-74=1', '55-37=18'] Exploring Operation: 1*18=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,35 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 1+18=19, Resulting Numbers: [19] 19,35 unequal: No Solution Moving to Node #0,3,2 Current State: 35:[37, 54], Operations: ['75-74=1', '55-1=54'] Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,35 unequal: No Solution Exploring Operation: 37+54=91, Resulting Numbers: [91] 91,35 unequal: No Solution Exploring Operation: 37*54=1998, Resulting Numbers: [1998] 1998,35 unequal: No Solution Moving to Node #0,3,0 Current State: 35:[55, 36], Operations: ['75-74=1', '37-1=36'] Exploring Operation: 55+36=91, Resulting Numbers: [91] 91,35 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,35 unequal: No Solution Exploring Operation: 55*36=1980, Resulting Numbers: [1980] 1980,35 unequal: No Solution Moving to Node #0,3,1 Current State: 35:[37, 55], Operations: ['75-74=1', '55/1=55'] Exploring Operation: 37*55=2035, Resulting Numbers: [2035] 2035,35 unequal: No Solution Exploring Operation: 37+55=92, Resulting Numbers: [92] 92,35 unequal: No Solution Exploring Operation: 55-37=18, Resulting Numbers: [18] 18,35 unequal: No Solution Moving to Node #0,3,3 Current State: 35:[37, 55], Operations: ['75-74=1', '55*1=55'] Exploring Operation: 37+55=92, Resulting Numbers: [92] 92,35 unequal: No Solution Exploring Operation: 37*55=2035, Resulting Numbers: [2035] 2035,35 unequal: No Solution Exploring Operation: 55-37=18, Resulting Numbers: [18] 18,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[74, 37, 20], Operations: ['75-55=20'] Exploring Operation: 74+20=94, Resulting Numbers: [37, 94] Generated Node #0,0,0: 35:[37, 94] Operation: 74+20=94 Exploring Operation: 37-20=17, Resulting Numbers: [74, 17] Generated Node #0,0,1: 35:[74, 17] Operation: 37-20=17 Exploring Operation: 74-20=54, Resulting Numbers: [37, 54] Generated Node #0,0,2: 35:[37, 54] Operation: 74-20=54 Exploring Operation: 74/37=2, Resulting Numbers: [20, 2] Generated Node #0,0,3: 35:[20, 2] Operation: 74/37=2 Exploring Operation: 74-37=37, Resulting Numbers: [20, 37] Generated Node #0,0,4: 35:[20, 37] Operation: 74-37=37 Moving to Node #0,0,4 Current State: 35:[20, 37], Operations: ['75-55=20', '74-37=37'] Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,35 unequal: No Solution Exploring Operation: 20*37=740, Resulting Numbers: [740] 740,35 unequal: No Solution Exploring Operation: 20+37=57, Resulting Numbers: [57] 57,35 unequal: No Solution Moving to Node #0,0,3 Current State: 35:[20, 2], Operations: ['75-55=20', '74/37=2'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,35 unequal: No Solution Moving to Node #0,0,2 Current State: 35:[37, 54], Operations: ['75-55=20', '74-20=54'] Exploring Operation: 37*54=1998, Resulting Numbers: [1998] 1998,35 unequal: No Solution Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,35 unequal: No Solution Exploring Operation: 37+54=91, Resulting Numbers: [91] 91,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[74, 17], Operations: ['75-55=20', '37-20=17'] Exploring Operation: 74*17=1258, Resulting Numbers: [1258] 1258,35 unequal: No Solution Exploring Operation: 74+17=91, Resulting Numbers: [91] 91,35 unequal: No Solution Exploring Operation: 74-17=57, Resulting Numbers: [57] 57,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[37, 94], Operations: ['75-55=20', '74+20=94'] Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 37+94=131, Resulting Numbers: [131] 131,35 unequal: No Solution Exploring Operation: 37*94=3478, Resulting Numbers: [3478] 3478,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 35:[75, 37, 19], Operations: ['74-55=19'] Exploring Operation: 37+19=56, Resulting Numbers: [75, 56] Generated Node #0,4,0: 35:[75, 56] Operation: 37+19=56 Exploring Operation: 75+19=94, Resulting Numbers: [37, 94] Generated Node #0,4,1: 35:[37, 94] Operation: 75+19=94 Exploring Operation: 75-37=38, Resulting Numbers: [19, 38] Generated Node #0,4,2: 35:[19, 38] Operation: 75-37=38 Exploring Operation: 37-19=18, Resulting Numbers: [75, 18] Generated Node #0,4,3: 35:[75, 18] Operation: 37-19=18 Exploring Operation: 75-19=56, Resulting Numbers: [37, 56] Generated Node #0,4,4: 35:[37, 56] Operation: 75-19=56 Moving to Node #0,4,2 Current State: 35:[19, 38], Operations: ['74-55=19', '75-37=38'] Exploring Operation: 19*38=722, Resulting Numbers: [722] 722,35 unequal: No Solution Exploring Operation: 19+38=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,35 unequal: No Solution Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,35 unequal: No Solution Moving to Node #0,4,4 Current State: 35:[37, 56], Operations: ['74-55=19', '75-19=56'] Exploring Operation: 37+56=93, Resulting Numbers: [93] 93,35 unequal: No Solution Exploring Operation: 37*56=2072, Resulting Numbers: [2072] 2072,35 unequal: No Solution Exploring Operation: 56-37=19, Resulting Numbers: [19] 19,35 unequal: No Solution Moving to Node #0,4,3 Current State: 35:[75, 18], Operations: ['74-55=19', '37-19=18'] Exploring Operation: 75*18=1350, Resulting Numbers: [1350] 1350,35 unequal: No Solution Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,35 unequal: No Solution Moving to Node #0,4,0 Current State: 35:[75, 56], Operations: ['74-55=19', '37+19=56'] Exploring Operation: 75-56=19, Resulting Numbers: [19] 19,35 unequal: No Solution Exploring Operation: 75*56=4200, Resulting Numbers: [4200] 4200,35 unequal: No Solution Exploring Operation: 75+56=131, Resulting Numbers: [131] 131,35 unequal: No Solution Moving to Node #0,4,1 Current State: 35:[37, 94], Operations: ['74-55=19', '75+19=94'] Exploring Operation: 37+94=131, Resulting Numbers: [131] 131,35 unequal: No Solution Exploring Operation: 37*94=3478, Resulting Numbers: [3478] 3478,35 unequal: No Solution Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[74, 55, 38], Operations: ['75-37=38'] Exploring Operation: 55-38=17, Resulting Numbers: [74, 17] Generated Node #0,1,0: 35:[74, 17] Operation: 55-38=17 Exploring Operation: 74-55=19, Resulting Numbers: [38, 19] Generated Node #0,1,1: 35:[38, 19] Operation: 74-55=19 Exploring Operation: 74+38=112, Resulting Numbers: [55, 112] Generated Node #0,1,2: 35:[55, 112] Operation: 74+38=112 Exploring Operation: 74-38=36, Resulting Numbers: [55, 36] Generated Node #0,1,3: 35:[55, 36] Operation: 74-38=36 Exploring Operation: 74+55=129, Resulting Numbers: [38, 129] Generated Node #0,1,4: 35:[38, 129] Operation: 74+55=129 Moving to Node #0,1,1 Current State: 35:[38, 19], Operations: ['75-37=38', '74-55=19'] Exploring Operation: 38+19=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,35 unequal: No Solution Exploring Operation: 38*19=722, Resulting Numbers: [722] 722,35 unequal: No Solution Moving to Node #0,1,3 Current State: 35:[55, 36], Operations: ['75-37=38', '74-38=36'] Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,35 unequal: No Solution Exploring Operation: 55*36=1980, Resulting Numbers: [1980] 1980,35 unequal: No Solution Exploring Operation: 55+36=91, Resulting Numbers: [91] 91,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[74, 17], Operations: ['75-37=38', '55-38=17'] Exploring Operation: 74+17=91, Resulting Numbers: [91] 91,35 unequal: No Solution Exploring Operation: 74*17=1258, Resulting Numbers: [1258] 1258,35 unequal: No Solution Exploring Operation: 74-17=57, Resulting Numbers: [57] 57,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[55, 112], Operations: ['75-37=38', '74+38=112'] Exploring Operation: 112-55=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 55*112=6160, Resulting Numbers: [6160] 6160,35 unequal: No Solution Exploring Operation: 55+112=167, Resulting Numbers: [167] 167,35 unequal: No Solution Moving to Node #0,1,4 Current State: 35:[38, 129], Operations: ['75-37=38', '74+55=129'] Exploring Operation: 38*129=4902, Resulting Numbers: [4902] 4902,35 unequal: No Solution Exploring Operation: 129-38=91, Resulting Numbers: [91] 91,35 unequal: No Solution Exploring Operation: 38+129=167, Resulting Numbers: [167] 167,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[75, 55, 37], Operations: ['74-37=37'] Exploring Operation: 55-37=18, Resulting Numbers: [75, 18] Generated Node #0,2,0: 35:[75, 18] Operation: 55-37=18 Exploring Operation: 75+37=112, Resulting Numbers: [55, 112] Generated Node #0,2,1: 35:[55, 112] Operation: 75+37=112 Exploring Operation: 75-37=38, Resulting Numbers: [55, 38] Generated Node #0,2,2: 35:[55, 38] Operation: 75-37=38 Exploring Operation: 75-55=20, Resulting Numbers: [37, 20] Generated Node #0,2,3: 35:[37, 20] Operation: 75-55=20 Exploring Operation: 75+55=130, Resulting Numbers: [37, 130] Generated Node #0,2,4: 35:[37, 130] Operation: 75+55=130 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 35:[37, 20], Operations: ['74-37=37', '75-55=20'] Exploring Operation: 37+20=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,35 unequal: No Solution Exploring Operation: 37*20=740, Resulting Numbers: [740] 740,35 unequal: No Solution No 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: 35:[55, 38], Operations: ['74-37=37', '75-37=38'] Exploring Operation: 55+38=93, Resulting Numbers: [93] 93,35 unequal: No Solution Exploring Operation: 55*38=2090, Resulting Numbers: [2090] 2090,35 unequal: No Solution Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,35 unequal: No Solution No 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: 35:[75, 18], Operations: ['74-37=37', '55-37=18'] Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,35 unequal: No Solution Exploring Operation: 75*18=1350, Resulting Numbers: [1350] 1350,35 unequal: No Solution No 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: 35:[55, 112], Operations: ['74-37=37', '75+37=112'] Exploring Operation: 55+112=167, Resulting Numbers: [167] 167,35 unequal: No Solution Exploring Operation: 55*112=6160, Resulting Numbers: [6160] 6160,35 unequal: No Solution Exploring Operation: 112-55=57, Resulting Numbers: [57] 57,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 35:[37, 130], Operations: ['74-37=37', '75+55=130'] Exploring Operation: 130-37=93, Resulting Numbers: [93] 93,35 unequal: No Solution Exploring Operation: 37+130=167, Resulting Numbers: [167] 167,35 unequal: No Solution Exploring Operation: 37*130=4810, Resulting Numbers: [4810] 4810,35 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_5
mult_heuristic
[ 38, 55, 69, 67 ]
21
[ "69-67=2", "38*2=76", "76-55=21" ]
Current State: 21:[38, 55, 69, 67], Operations: [] Exploring Operation: 69-67=2, Resulting Numbers: [38, 55, 2] Generated Node #2: [38, 55, 2] from Operation: 69-67=2 Current State: 21:[38, 55, 2], Operations: ['69-67=2'] Exploring Operation: 38*2=76, Resulting Numbers: [55, 76] Generated Node #3: [55, 76] from Operation: 38*2=76 Current State: 21:[55, 76], Operations: ['69-67=2', '38*2=76'] Exploring Operation: 76-55=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[38, 55, 69, 67], Operations: [] Exploring Operation: 69-67=2, Resulting Numbers: [38, 55, 2] Generated Node #0,0: 21:[38, 55, 2] Operation: 69-67=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[38, 55, 2], Operations: ['69-67=2'] Exploring Operation: 55-38=17, Resulting Numbers: [2, 17] Generated Node #0,0,0: 21:[2, 17] Operation: 55-38=17 Moving to Node #0,0,0 Current State: 21:[2, 17], Operations: ['69-67=2', '55-38=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,21 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
[ 40, 4, 65, 39 ]
70
[ "40+4=44", "65-39=26", "44+26=70" ]
Current State: 70:[40, 4, 65, 39], Operations: [] Exploring Operation: 40+4=44, Resulting Numbers: [65, 39, 44] Generated Node #2: [65, 39, 44] from Operation: 40+4=44 Current State: 70:[65, 39, 44], Operations: ['40+4=44'] Exploring Operation: 65-39=26, Resulting Numbers: [44, 26] Generated Node #3: [44, 26] from Operation: 65-39=26 Current State: 70:[44, 26], Operations: ['40+4=44', '65-39=26'] Exploring Operation: 44+26=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[40, 4, 65, 39], Operations: [] Exploring Operation: 4+65=69, Resulting Numbers: [40, 39, 69] Generated Node #0,0: 70:[40, 39, 69] Operation: 4+65=69 Exploring Operation: 40-4=36, Resulting Numbers: [65, 39, 36] Generated Node #0,1: 70:[65, 39, 36] Operation: 40-4=36 Exploring Operation: 40/4=10, Resulting Numbers: [65, 39, 10] Generated Node #0,2: 70:[65, 39, 10] Operation: 40/4=10 Exploring Operation: 40-39=1, Resulting Numbers: [4, 65, 1] Generated Node #0,3: 70:[4, 65, 1] Operation: 40-39=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 70:[4, 65, 1], Operations: ['40-39=1'] Exploring Operation: 4+1=5, Resulting Numbers: [65, 5] Generated Node #0,3,0: 70:[65, 5] Operation: 4+1=5 Exploring Operation: 65+1=66, Resulting Numbers: [4, 66] Generated Node #0,3,1: 70:[4, 66] Operation: 65+1=66 Exploring Operation: 4+65=69, Resulting Numbers: [1, 69] Generated Node #0,3,2: 70:[1, 69] Operation: 4+65=69 Exploring Operation: 4*1=4, Resulting Numbers: [65, 4] Generated Node #0,3,3: 70:[65, 4] Operation: 4*1=4 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 70:[1, 69], Operations: ['40-39=1', '4+65=69'] Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,70 unequal: No Solution Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,70 unequal: No Solution Exploring Operation: 1*69=69, Resulting Numbers: [69] 69,70 unequal: No Solution Exploring Operation: 1+69=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[40, 4, 65, 39], Operations: [] Exploring Operation: 40-39=1, Resulting Numbers: [4, 65, 1] Generated Node #0,3: 70:[4, 65, 1] Operation: 40-39=1 Moving to Node #0,3 Current State: 70:[4, 65, 1], Operations: ['40-39=1'] Exploring Operation: 4+65=69, Resulting Numbers: [1, 69] Generated Node #0,3,2: 70:[1, 69] Operation: 4+65=69 Moving to Node #0,3,2 Current State: 70:[1, 69], Operations: ['40-39=1', '4+65=69'] Exploring Operation: 1+69=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 80, 25, 81, 40 ]
64
[ "80+25=105", "81-40=41", "105-41=64" ]
Current State: 64:[80, 25, 81, 40], Operations: [] Exploring Operation: 80+25=105, Resulting Numbers: [81, 40, 105] Generated Node #2: [81, 40, 105] from Operation: 80+25=105 Current State: 64:[81, 40, 105], Operations: ['80+25=105'] Exploring Operation: 81-40=41, Resulting Numbers: [105, 41] Generated Node #3: [105, 41] from Operation: 81-40=41 Current State: 64:[105, 41], Operations: ['80+25=105', '81-40=41'] Exploring Operation: 105-41=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[80, 25, 81, 40], Operations: [] Exploring Operation: 80/40=2, Resulting Numbers: [25, 81, 2] Generated Node #0,0: 64:[25, 81, 2] Operation: 80/40=2 Exploring Operation: 81-25=56, Resulting Numbers: [80, 40, 56] Generated Node #0,1: 64:[80, 40, 56] Operation: 81-25=56 Exploring Operation: 81-80=1, Resulting Numbers: [25, 40, 1] Generated Node #0,2: 64:[25, 40, 1] Operation: 81-80=1 Exploring Operation: 81-40=41, Resulting Numbers: [80, 25, 41] Generated Node #0,3: 64:[80, 25, 41] Operation: 81-40=41 Exploring Operation: 80-40=40, Resulting Numbers: [25, 81, 40] Generated Node #0,4: 64:[25, 81, 40] Operation: 80-40=40 Start Sub Search at level 1: Moving to Node #0,2 Current State: 64:[25, 40, 1], Operations: ['81-80=1'] Exploring Operation: 25*1=25, Resulting Numbers: [40, 25] Generated Node #0,2,0: 64:[40, 25] Operation: 25*1=25 Exploring Operation: 25+1=26, Resulting Numbers: [40, 26] Generated Node #0,2,1: 64:[40, 26] Operation: 25+1=26 Exploring Operation: 40-1=39, Resulting Numbers: [25, 39] Generated Node #0,2,2: 64:[25, 39] Operation: 40-1=39 Exploring Operation: 25+40=65, Resulting Numbers: [1, 65] Generated Node #0,2,3: 64:[1, 65] Operation: 25+40=65 Exploring Operation: 40-25=15, Resulting Numbers: [1, 15] Generated Node #0,2,4: 64:[1, 15] Operation: 40-25=15 Moving to Node #0,2,3 Current State: 64:[1, 65], Operations: ['81-80=1', '25+40=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[80, 25, 81, 40], Operations: [] Exploring Operation: 81-80=1, Resulting Numbers: [25, 40, 1] Generated Node #0,2: 64:[25, 40, 1] Operation: 81-80=1 Moving to Node #0,2 Current State: 64:[25, 40, 1], Operations: ['81-80=1'] Exploring Operation: 25+40=65, Resulting Numbers: [1, 65] Generated Node #0,2,3: 64:[1, 65] Operation: 25+40=65 Moving to Node #0,2,3 Current State: 64:[1, 65], Operations: ['81-80=1', '25+40=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 68, 60, 62, 22 ]
76
[ "68-60=8", "62+22=84", "84-8=76" ]
Current State: 76:[68, 60, 62, 22], Operations: [] Exploring Operation: 68-60=8, Resulting Numbers: [62, 22, 8] Generated Node #2: [62, 22, 8] from Operation: 68-60=8 Current State: 76:[62, 22, 8], Operations: ['68-60=8'] Exploring Operation: 62+22=84, Resulting Numbers: [8, 84] Generated Node #3: [8, 84] from Operation: 62+22=84 Current State: 76:[8, 84], Operations: ['68-60=8', '62+22=84'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[68, 60, 62, 22], Operations: [] Exploring Operation: 62-60=2, Resulting Numbers: [68, 22, 2] Generated Node #0,0: 76:[68, 22, 2] Operation: 62-60=2 Exploring Operation: 68-62=6, Resulting Numbers: [60, 22, 6] Generated Node #0,1: 76:[60, 22, 6] Operation: 68-62=6 Exploring Operation: 68-60=8, Resulting Numbers: [62, 22, 8] Generated Node #0,2: 76:[62, 22, 8] Operation: 68-60=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[68, 22, 2], Operations: ['62-60=2'] Exploring Operation: 68+2=70, Resulting Numbers: [22, 70] Generated Node #0,0,0: 76:[22, 70] Operation: 68+2=70 Exploring Operation: 68/2=34, Resulting Numbers: [22, 34] Generated Node #0,0,1: 76:[22, 34] Operation: 68/2=34 Exploring Operation: 68-22=46, Resulting Numbers: [2, 46] Generated Node #0,0,2: 76:[2, 46] Operation: 68-22=46 Moving to Node #0,0,1 Current State: 76:[22, 34], Operations: ['62-60=2', '68/2=34'] Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 22*34=748, Resulting Numbers: [748] 748,76 unequal: No Solution Exploring Operation: 22+34=56, Resulting Numbers: [56] 56,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[2, 46], Operations: ['62-60=2', '68-22=46'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,76 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[22, 70], Operations: ['62-60=2', '68+2=70'] Exploring Operation: 70-22=48, Resulting Numbers: [48] 48,76 unequal: No Solution Exploring Operation: 22+70=92, Resulting Numbers: [92] 92,76 unequal: No Solution Exploring Operation: 22*70=1540, Resulting Numbers: [1540] 1540,76 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:[60, 22, 6], Operations: ['68-62=6'] Exploring Operation: 60-22=38, Resulting Numbers: [6, 38] Generated Node #0,1,0: 76:[6, 38] Operation: 60-22=38 Exploring Operation: 60+22=82, Resulting Numbers: [6, 82] Generated Node #0,1,1: 76:[6, 82] Operation: 60+22=82 Exploring Operation: 60/6=10, Resulting Numbers: [22, 10] Generated Node #0,1,2: 76:[22, 10] Operation: 60/6=10 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[6, 38], Operations: ['68-62=6', '60-22=38'] Exploring Operation: 6*38=228, Resulting Numbers: [228] 228,76 unequal: No Solution Exploring Operation: 6+38=44, Resulting Numbers: [44] 44,76 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,76 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:[6, 82], Operations: ['68-62=6', '60+22=82'] Exploring Operation: 6*82=492, Resulting Numbers: [492] 492,76 unequal: No Solution Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[68, 60, 62, 22], Operations: [] Exploring Operation: 68-62=6, Resulting Numbers: [60, 22, 6] Generated Node #0,1: 76:[60, 22, 6] Operation: 68-62=6 Moving to Node #0,1 Current State: 76:[60, 22, 6], Operations: ['68-62=6'] Exploring Operation: 60+22=82, Resulting Numbers: [6, 82] Generated Node #0,1,1: 76:[6, 82] Operation: 60+22=82 Moving to Node #0,1,1 Current State: 76:[6, 82], Operations: ['68-62=6', '60+22=82'] Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.976563
hs_3
sum_heuristic
[ 71, 21, 46, 77 ]
31
[ "71+21=92", "46+77=123", "123-92=31" ]
Current State: 31:[71, 21, 46, 77], Operations: [] Exploring Operation: 71+21=92, Resulting Numbers: [46, 77, 92] Generated Node #2: [46, 77, 92] from Operation: 71+21=92 Current State: 31:[46, 77, 92], Operations: ['71+21=92'] Exploring Operation: 46+77=123, Resulting Numbers: [92, 123] Generated Node #3: [92, 123] from Operation: 46+77=123 Current State: 31:[92, 123], Operations: ['71+21=92', '46+77=123'] Exploring Operation: 123-92=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[71, 21, 46, 77], Operations: [] Exploring Operation: 77-46=31, Resulting Numbers: [71, 21, 31] Generated Node #0,0: 31:[71, 21, 31] Operation: 77-46=31 Exploring Operation: 71-46=25, Resulting Numbers: [21, 77, 25] Generated Node #0,1: 31:[21, 77, 25] Operation: 71-46=25 Exploring Operation: 77-71=6, Resulting Numbers: [21, 46, 6] Generated Node #0,2: 31:[21, 46, 6] Operation: 77-71=6 Moving to Node #0,0 Current State: 31:[71, 21, 31], Operations: ['77-46=31'] Exploring Operation: 71+21=92, Resulting Numbers: [31, 92] Generated Node #0,0,0: 31:[31, 92] Operation: 71+21=92 Exploring Operation: 71-31=40, Resulting Numbers: [21, 40] Generated Node #0,0,1: 31:[21, 40] Operation: 71-31=40 Exploring Operation: 71-21=50, Resulting Numbers: [31, 50] Generated Node #0,0,2: 31:[31, 50] Operation: 71-21=50 Moving to Node #0,2 Current State: 31:[21, 46, 6], Operations: ['77-71=6'] Exploring Operation: 46-21=25, Resulting Numbers: [6, 25] Generated Node #0,2,0: 31:[6, 25] Operation: 46-21=25 Exploring Operation: 46-6=40, Resulting Numbers: [21, 40] Generated Node #0,2,1: 31:[21, 40] Operation: 46-6=40 Exploring Operation: 21+6=27, Resulting Numbers: [46, 27] Generated Node #0,2,2: 31:[46, 27] Operation: 21+6=27 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 31:[21, 40], Operations: ['77-71=6', '46-6=40'] Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 21+40=61, Resulting Numbers: [61] 61,31 unequal: No Solution Exploring Operation: 21*40=840, Resulting Numbers: [840] 840,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 31:[46, 27], Operations: ['77-71=6', '21+6=27'] Exploring Operation: 46*27=1242, Resulting Numbers: [1242] 1242,31 unequal: No Solution Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 46+27=73, Resulting Numbers: [73] 73,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 31:[6, 25], Operations: ['77-71=6', '46-21=25'] Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[71, 21, 46, 77], Operations: [] Exploring Operation: 77-71=6, Resulting Numbers: [21, 46, 6] Generated Node #0,2: 31:[21, 46, 6] Operation: 77-71=6 Moving to Node #0,2 Current State: 31:[21, 46, 6], Operations: ['77-71=6'] Exploring Operation: 46-21=25, Resulting Numbers: [6, 25] Generated Node #0,2,0: 31:[6, 25] Operation: 46-21=25 Moving to Node #0,2,0 Current State: 31:[6, 25], Operations: ['77-71=6', '46-21=25'] Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_3
mult_heuristic
[ 10, 9, 39, 1 ]
37
[ "10-9=1", "39-1=38", "38-1=37" ]
Current State: 37:[10, 9, 39, 1], Operations: [] Exploring Operation: 10-9=1, Resulting Numbers: [39, 1, 1] Generated Node #2: [39, 1, 1] from Operation: 10-9=1 Current State: 37:[39, 1, 1], Operations: ['10-9=1'] Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,37 equal: Goal Reached Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[10, 9, 39, 1], Operations: [] Exploring Operation: 10+9=19, Resulting Numbers: [39, 1, 19] Generated Node #0,0: 37:[39, 1, 19] Operation: 10+9=19 Exploring Operation: 10+1=11, Resulting Numbers: [9, 39, 11] Generated Node #0,1: 37:[9, 39, 11] Operation: 10+1=11 Exploring Operation: 9+1=10, Resulting Numbers: [10, 39, 10] Generated Node #0,2: 37:[10, 39, 10] Operation: 9+1=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[39, 1, 19], Operations: ['10+9=19'] Exploring Operation: 39*1=39, Resulting Numbers: [19, 39] Generated Node #0,0,0: 37:[19, 39] Operation: 39*1=39 Exploring Operation: 39-1=38, Resulting Numbers: [19, 38] Generated Node #0,0,1: 37:[19, 38] Operation: 39-1=38 Exploring Operation: 1+19=20, Resulting Numbers: [39, 20] Generated Node #0,0,2: 37:[39, 20] Operation: 1+19=20 Moving to Node #0,0,1 Current State: 37:[19, 38], Operations: ['10+9=19', '39-1=38'] Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 19+38=57, Resulting Numbers: [57] 57,37 unequal: No Solution Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[39, 20], Operations: ['10+9=19', '1+19=20'] Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,37 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[19, 39], Operations: ['10+9=19', '39*1=39'] Exploring Operation: 19+39=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,37 unequal: No Solution Exploring Operation: 19*39=741, Resulting Numbers: [741] 741,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[9, 39, 11], Operations: ['10+1=11'] Exploring Operation: 9+39=48, Resulting Numbers: [11, 48] Generated Node #0,1,0: 37:[11, 48] Operation: 9+39=48 Exploring Operation: 9+11=20, Resulting Numbers: [39, 20] Generated Node #0,1,1: 37:[39, 20] Operation: 9+11=20 Exploring Operation: 39-9=30, Resulting Numbers: [11, 30] Generated Node #0,1,2: 37:[11, 30] Operation: 39-9=30 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[39, 20], Operations: ['10+1=11', '9+11=20'] Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,37 unequal: No Solution Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,37 unequal: No Solution No 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: 37:[11, 30], Operations: ['10+1=11', '39-9=30'] Exploring Operation: 11*30=330, Resulting Numbers: [330] 330,37 unequal: No Solution Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,37 unequal: No Solution Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,37 unequal: No Solution No 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: 37:[11, 48], Operations: ['10+1=11', '9+39=48'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[10, 9, 39, 1], Operations: [] Exploring Operation: 10+1=11, Resulting Numbers: [9, 39, 11] Generated Node #0,1: 37:[9, 39, 11] Operation: 10+1=11 Moving to Node #0,1 Current State: 37:[9, 39, 11], Operations: ['10+1=11'] Exploring Operation: 9+39=48, Resulting Numbers: [11, 48] Generated Node #0,1,0: 37:[11, 48] Operation: 9+39=48 Moving to Node #0,1,0 Current State: 37:[11, 48], Operations: ['10+1=11', '9+39=48'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_3
sum_heuristic
[ 83, 13, 34, 94 ]
17
[ "83+13=96", "96-94=2", "34/2=17" ]
Current State: 17:[83, 13, 34, 94], Operations: [] Exploring Operation: 83+13=96, Resulting Numbers: [34, 94, 96] Generated Node #2: [34, 94, 96] from Operation: 83+13=96 Current State: 17:[34, 94, 96], Operations: ['83+13=96'] Exploring Operation: 96-94=2, Resulting Numbers: [34, 2] Generated Node #3: [34, 2] from Operation: 96-94=2 Current State: 17:[34, 2], Operations: ['83+13=96', '96-94=2'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[83, 13, 34, 94], Operations: [] Exploring Operation: 94-83=11, Resulting Numbers: [13, 34, 11] Generated Node #0,0: 17:[13, 34, 11] Operation: 94-83=11 Moving to Node #0,0 Current State: 17:[13, 34, 11], Operations: ['94-83=11'] Exploring Operation: 34-13=21, Resulting Numbers: [11, 21] Generated Node #0,0,0: 17:[11, 21] Operation: 34-13=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[11, 21], Operations: ['94-83=11', '34-13=21'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,17 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
[ 39, 78, 18, 78 ]
14
[ "78+78=156", "156/39=4", "18-4=14" ]
Current State: 14:[39, 78, 18, 78], Operations: [] Exploring Operation: 78+78=156, Resulting Numbers: [39, 18, 156] Generated Node #2: [39, 18, 156] from Operation: 78+78=156 Current State: 14:[39, 18, 156], Operations: ['78+78=156'] Exploring Operation: 156/39=4, Resulting Numbers: [18, 4] Generated Node #3: [18, 4] from Operation: 156/39=4 Current State: 14:[18, 4], Operations: ['78+78=156', '156/39=4'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[39, 78, 18, 78], Operations: [] Exploring Operation: 78/39=2, Resulting Numbers: [78, 18, 2] Generated Node #0,0: 14:[78, 18, 2] Operation: 78/39=2 Exploring Operation: 78-39=39, Resulting Numbers: [18, 78, 39] Generated Node #0,1: 14:[18, 78, 39] Operation: 78-39=39 Exploring Operation: 78-78=0, Resulting Numbers: [39, 18, 0] Generated Node #0,2: 14:[39, 18, 0] Operation: 78-78=0 Exploring Operation: 78/78=1, Resulting Numbers: [39, 18, 1] Generated Node #0,3: 14:[39, 18, 1] Operation: 78/78=1 Exploring Operation: 78/39=2, Resulting Numbers: [18, 78, 2] Generated Node #0,4: 14:[18, 78, 2] Operation: 78/39=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 14:[39, 18, 1], Operations: ['78/78=1'] Exploring Operation: 39*1=39, Resulting Numbers: [18, 39] Generated Node #0,3,0: 14:[18, 39] Operation: 39*1=39 Exploring Operation: 39-1=38, Resulting Numbers: [18, 38] Generated Node #0,3,1: 14:[18, 38] Operation: 39-1=38 Exploring Operation: 18-1=17, Resulting Numbers: [39, 17] Generated Node #0,3,2: 14:[39, 17] Operation: 18-1=17 Exploring Operation: 39/1=39, Resulting Numbers: [18, 39] Generated Node #0,3,3: 14:[18, 39] Operation: 39/1=39 Exploring Operation: 39-18=21, Resulting Numbers: [1, 21] Generated Node #0,3,4: 14:[1, 21] Operation: 39-18=21 Moving to Node #0,3,4 Current State: 14:[1, 21], Operations: ['78/78=1', '39-18=21'] Exploring Operation: 1*21=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 1+21=22, Resulting Numbers: [22] 22,14 unequal: No Solution Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,14 unequal: No Solution Moving to Node #0,3,2 Current State: 14:[39, 17], Operations: ['78/78=1', '18-1=17'] Exploring Operation: 39*17=663, Resulting Numbers: [663] 663,14 unequal: No Solution Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,14 unequal: No Solution Exploring Operation: 39+17=56, Resulting Numbers: [56] 56,14 unequal: No Solution Moving to Node #0,3,1 Current State: 14:[18, 38], Operations: ['78/78=1', '39-1=38'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,14 unequal: No Solution Exploring Operation: 18+38=56, Resulting Numbers: [56] 56,14 unequal: No Solution Exploring Operation: 18*38=684, Resulting Numbers: [684] 684,14 unequal: No Solution Moving to Node #0,3,0 Current State: 14:[18, 39], Operations: ['78/78=1', '39*1=39'] Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,14 unequal: No Solution Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,14 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,14 unequal: No Solution Moving to Node #0,3,3 Current State: 14:[18, 39], Operations: ['78/78=1', '39/1=39'] Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,14 unequal: No Solution Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,14 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,14 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:[39, 18, 0], Operations: ['78-78=0'] Exploring Operation: 39+0=39, Resulting Numbers: [18, 39] Generated Node #0,2,0: 14:[18, 39] Operation: 39+0=39 Exploring Operation: 18*0=0, Resulting Numbers: [39, 0] Generated Node #0,2,1: 14:[39, 0] Operation: 18*0=0 Exploring Operation: 39-18=21, Resulting Numbers: [0, 21] Generated Node #0,2,2: 14:[0, 21] Operation: 39-18=21 Exploring Operation: 39-0=39, Resulting Numbers: [18, 39] Generated Node #0,2,3: 14:[18, 39] Operation: 39-0=39 Exploring Operation: 39*0=0, Resulting Numbers: [18, 0] Generated Node #0,2,4: 14:[18, 0] Operation: 39*0=0 Moving to Node #0,2,4 Current State: 14:[18, 0], Operations: ['78-78=0', '39*0=0'] Exploring Operation: 18*0=0, Resulting Numbers: [0] 0,14 unequal: No Solution Exploring Operation: 18-0=18, Resulting Numbers: [18] 18,14 unequal: No Solution Exploring Operation: 18+0=18, Resulting Numbers: [18] 18,14 unequal: No Solution Moving to Node #0,2,2 Current State: 14:[0, 21], Operations: ['78-78=0', '39-18=21'] Exploring Operation: 21-0=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 0+21=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 0*21=0, Resulting Numbers: [0] 0,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[39, 0], Operations: ['78-78=0', '18*0=0'] Exploring Operation: 39+0=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39-0=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 39*0=0, Resulting Numbers: [0] 0,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[18, 39], Operations: ['78-78=0', '39+0=39'] Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,14 unequal: No Solution Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,14 unequal: No Solution Moving to Node #0,2,3 Current State: 14:[18, 39], Operations: ['78-78=0', '39-0=39'] Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,14 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,14 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:[78, 18, 2], Operations: ['78/39=2'] Exploring Operation: 78-18=60, Resulting Numbers: [2, 60] Generated Node #0,0,0: 14:[2, 60] Operation: 78-18=60 Exploring Operation: 18/2=9, Resulting Numbers: [78, 9] Generated Node #0,0,1: 14:[78, 9] Operation: 18/2=9 Exploring Operation: 78-2=76, Resulting Numbers: [18, 76] Generated Node #0,0,2: 14:[18, 76] Operation: 78-2=76 Exploring Operation: 78/2=39, Resulting Numbers: [18, 39] Generated Node #0,0,3: 14:[18, 39] Operation: 78/2=39 Exploring Operation: 18-2=16, Resulting Numbers: [78, 16] Generated Node #0,0,4: 14:[78, 16] Operation: 18-2=16 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 14:[18, 39], Operations: ['78/39=2', '78/2=39'] Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,14 unequal: No Solution Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[2, 60], Operations: ['78/39=2', '78-18=60'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,14 unequal: No Solution Exploring Operation: 2*60=120, Resulting Numbers: [120] 120,14 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,14 unequal: No Solution Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 14:[78, 9], Operations: ['78/39=2', '18/2=9'] Exploring Operation: 78+9=87, Resulting Numbers: [87] 87,14 unequal: No Solution Exploring Operation: 78*9=702, Resulting Numbers: [702] 702,14 unequal: No Solution Exploring Operation: 78-9=69, Resulting Numbers: [69] 69,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 14:[18, 76], Operations: ['78/39=2', '78-2=76'] Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,14 unequal: No Solution Exploring Operation: 18*76=1368, Resulting Numbers: [1368] 1368,14 unequal: No Solution Exploring Operation: 18+76=94, Resulting Numbers: [94] 94,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 14:[78, 16], Operations: ['78/39=2', '18-2=16'] Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,14 unequal: No Solution Exploring Operation: 78*16=1248, Resulting Numbers: [1248] 1248,14 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 14:[18, 78, 2], Operations: ['78/39=2'] Exploring Operation: 18/2=9, Resulting Numbers: [78, 9] Generated Node #0,4,0: 14:[78, 9] Operation: 18/2=9 Exploring Operation: 78-18=60, Resulting Numbers: [2, 60] Generated Node #0,4,1: 14:[2, 60] Operation: 78-18=60 Exploring Operation: 18-2=16, Resulting Numbers: [78, 16] Generated Node #0,4,2: 14:[78, 16] Operation: 18-2=16 Exploring Operation: 78/2=39, Resulting Numbers: [18, 39] Generated Node #0,4,3: 14:[18, 39] Operation: 78/2=39 Exploring Operation: 78-2=76, Resulting Numbers: [18, 76] Generated Node #0,4,4: 14:[18, 76] Operation: 78-2=76 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 14:[18, 39], Operations: ['78/39=2', '78/2=39'] Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,14 unequal: No Solution Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 14:[2, 60], Operations: ['78/39=2', '78-18=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,14 unequal: No Solution Exploring Operation: 2*60=120, Resulting Numbers: [120] 120,14 unequal: No Solution Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,14 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 14:[78, 9], Operations: ['78/39=2', '18/2=9'] Exploring Operation: 78*9=702, Resulting Numbers: [702] 702,14 unequal: No Solution Exploring Operation: 78+9=87, Resulting Numbers: [87] 87,14 unequal: No Solution Exploring Operation: 78-9=69, Resulting Numbers: [69] 69,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 14:[78, 16], Operations: ['78/39=2', '18-2=16'] Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,14 unequal: No Solution Exploring Operation: 78*16=1248, Resulting Numbers: [1248] 1248,14 unequal: No Solution Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 14:[18, 76], Operations: ['78/39=2', '78-2=76'] Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,14 unequal: No Solution Exploring Operation: 18*76=1368, Resulting Numbers: [1368] 1368,14 unequal: No Solution Exploring Operation: 18+76=94, Resulting Numbers: [94] 94,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[18, 78, 39], Operations: ['78-39=39'] Exploring Operation: 18+78=96, Resulting Numbers: [39, 96] Generated Node #0,1,0: 14:[39, 96] Operation: 18+78=96 Exploring Operation: 78/39=2, Resulting Numbers: [18, 2] Generated Node #0,1,1: 14:[18, 2] Operation: 78/39=2 Exploring Operation: 78-39=39, Resulting Numbers: [18, 39] Generated Node #0,1,2: 14:[18, 39] Operation: 78-39=39 Exploring Operation: 78-18=60, Resulting Numbers: [39, 60] Generated Node #0,1,3: 14:[39, 60] Operation: 78-18=60 Exploring Operation: 39-18=21, Resulting Numbers: [78, 21] Generated Node #0,1,4: 14:[78, 21] Operation: 39-18=21 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 14:[18, 2], Operations: ['78-39=39', '78/39=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,14 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,14 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 14:[18, 39], Operations: ['78-39=39', '78-39=39'] Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,14 unequal: No Solution Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,14 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 14:[39, 60], Operations: ['78-39=39', '78-18=60'] Exploring Operation: 60-39=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 39*60=2340, Resulting Numbers: [2340] 2340,14 unequal: No Solution Exploring Operation: 39+60=99, Resulting Numbers: [99] 99,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 14:[78, 21], Operations: ['78-39=39', '39-18=21'] Exploring Operation: 78+21=99, Resulting Numbers: [99] 99,14 unequal: No Solution Exploring Operation: 78*21=1638, Resulting Numbers: [1638] 1638,14 unequal: No Solution Exploring Operation: 78-21=57, Resulting Numbers: [57] 57,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 14:[39, 96], Operations: ['78-39=39', '18+78=96'] Exploring Operation: 39+96=135, Resulting Numbers: [135] 135,14 unequal: No Solution Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,14 unequal: No Solution Exploring Operation: 39*96=3744, Resulting Numbers: [3744] 3744,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 19, 92, 65, 34 ]
80
[ "19+92=111", "65-34=31", "111-31=80" ]
Current State: 80:[19, 92, 65, 34], Operations: [] Exploring Operation: 19+92=111, Resulting Numbers: [65, 34, 111] Generated Node #2: [65, 34, 111] from Operation: 19+92=111 Current State: 80:[65, 34, 111], Operations: ['19+92=111'] Exploring Operation: 65-34=31, Resulting Numbers: [111, 31] Generated Node #3: [111, 31] from Operation: 65-34=31 Current State: 80:[111, 31], Operations: ['19+92=111', '65-34=31'] Exploring Operation: 111-31=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[19, 92, 65, 34], Operations: [] Exploring Operation: 65-34=31, Resulting Numbers: [19, 92, 31] Generated Node #0,0: 80:[19, 92, 31] Operation: 65-34=31 Exploring Operation: 92-65=27, Resulting Numbers: [19, 34, 27] Generated Node #0,1: 80:[19, 34, 27] Operation: 92-65=27 Exploring Operation: 19+65=84, Resulting Numbers: [92, 34, 84] Generated Node #0,2: 80:[92, 34, 84] Operation: 19+65=84 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[19, 34, 27], Operations: ['92-65=27'] Exploring Operation: 34-27=7, Resulting Numbers: [19, 7] Generated Node #0,1,0: 80:[19, 7] Operation: 34-27=7 Exploring Operation: 34-19=15, Resulting Numbers: [27, 15] Generated Node #0,1,1: 80:[27, 15] Operation: 34-19=15 Exploring Operation: 27-19=8, Resulting Numbers: [34, 8] Generated Node #0,1,2: 80:[34, 8] Operation: 27-19=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[19, 7], Operations: ['92-65=27', '34-27=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,80 unequal: No Solution Exploring Operation: 19*7=133, Resulting Numbers: [133] 133,80 unequal: No Solution Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 80:[34, 8], Operations: ['92-65=27', '27-19=8'] Exploring Operation: 34*8=272, Resulting Numbers: [272] 272,80 unequal: No Solution Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 34+8=42, Resulting Numbers: [42] 42,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 80:[27, 15], Operations: ['92-65=27', '34-19=15'] Exploring Operation: 27*15=405, Resulting Numbers: [405] 405,80 unequal: No Solution Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,80 unequal: No Solution Exploring Operation: 27+15=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 #0,0 Current State: 80:[19, 92, 31], Operations: ['65-34=31'] Exploring Operation: 92-19=73, Resulting Numbers: [31, 73] Generated Node #0,0,0: 80:[31, 73] Operation: 92-19=73 Exploring Operation: 92-31=61, Resulting Numbers: [19, 61] Generated Node #0,0,1: 80:[19, 61] Operation: 92-31=61 Exploring Operation: 31-19=12, Resulting Numbers: [92, 12] Generated Node #0,0,2: 80:[92, 12] Operation: 31-19=12 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 80:[92, 12], Operations: ['65-34=31', '31-19=12'] Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[19, 92, 65, 34], Operations: [] Exploring Operation: 65-34=31, Resulting Numbers: [19, 92, 31] Generated Node #0,0: 80:[19, 92, 31] Operation: 65-34=31 Moving to Node #0,0 Current State: 80:[19, 92, 31], Operations: ['65-34=31'] Exploring Operation: 31-19=12, Resulting Numbers: [92, 12] Generated Node #0,0,2: 80:[92, 12] Operation: 31-19=12 Moving to Node #0,0,2 Current State: 80:[92, 12], Operations: ['65-34=31', '31-19=12'] Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 29, 58, 65, 1 ]
33
[ "58/29=2", "65+1=66", "66/2=33" ]
Current State: 33:[29, 58, 65, 1], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [65, 1, 2] Generated Node #2: [65, 1, 2] from Operation: 58/29=2 Current State: 33:[65, 1, 2], Operations: ['58/29=2'] Exploring Operation: 65+1=66, Resulting Numbers: [2, 66] Generated Node #3: [2, 66] from Operation: 65+1=66 Current State: 33:[2, 66], Operations: ['58/29=2', '65+1=66'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[29, 58, 65, 1], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [65, 1, 2] Generated Node #0,0: 33:[65, 1, 2] Operation: 58/29=2 Exploring Operation: 65-29=36, Resulting Numbers: [58, 1, 36] Generated Node #0,1: 33:[58, 1, 36] Operation: 65-29=36 Exploring Operation: 65-58=7, Resulting Numbers: [29, 1, 7] Generated Node #0,2: 33:[29, 1, 7] Operation: 65-58=7 Exploring Operation: 58-29=29, Resulting Numbers: [65, 1, 29] Generated Node #0,3: 33:[65, 1, 29] Operation: 58-29=29 Exploring Operation: 29+1=30, Resulting Numbers: [58, 65, 30] Generated Node #0,4: 33:[58, 65, 30] Operation: 29+1=30 Moving to Node #0,2 Current State: 33:[29, 1, 7], Operations: ['65-58=7'] Exploring Operation: 7-1=6, Resulting Numbers: [29, 6] Generated Node #0,2,0: 33:[29, 6] Operation: 7-1=6 Exploring Operation: 29+1=30, Resulting Numbers: [7, 30] Generated Node #0,2,1: 33:[7, 30] Operation: 29+1=30 Exploring Operation: 29+7=36, Resulting Numbers: [1, 36] Generated Node #0,2,2: 33:[1, 36] Operation: 29+7=36 Exploring Operation: 1+7=8, Resulting Numbers: [29, 8] Generated Node #0,2,3: 33:[29, 8] Operation: 1+7=8 Exploring Operation: 29*1=29, Resulting Numbers: [7, 29] Generated Node #0,2,4: 33:[7, 29] Operation: 29*1=29 Moving to Node #0,1 Current State: 33:[58, 1, 36], Operations: ['65-29=36'] Exploring Operation: 58/1=58, Resulting Numbers: [36, 58] Generated Node #0,1,0: 33:[36, 58] Operation: 58/1=58 Exploring Operation: 58*1=58, Resulting Numbers: [36, 58] Generated Node #0,1,1: 33:[36, 58] Operation: 58*1=58 Exploring Operation: 36-1=35, Resulting Numbers: [58, 35] Generated Node #0,1,2: 33:[58, 35] Operation: 36-1=35 Exploring Operation: 58-1=57, Resulting Numbers: [36, 57] Generated Node #0,1,3: 33:[36, 57] Operation: 58-1=57 Exploring Operation: 58-36=22, Resulting Numbers: [1, 22] Generated Node #0,1,4: 33:[1, 22] Operation: 58-36=22 Moving to Node #0,0 Current State: 33:[65, 1, 2], Operations: ['58/29=2'] Exploring Operation: 1+2=3, Resulting Numbers: [65, 3] Generated Node #0,0,0: 33:[65, 3] Operation: 1+2=3 Exploring Operation: 65/1=65, Resulting Numbers: [2, 65] Generated Node #0,0,1: 33:[2, 65] Operation: 65/1=65 Exploring Operation: 65*1=65, Resulting Numbers: [2, 65] Generated Node #0,0,2: 33:[2, 65] Operation: 65*1=65 Exploring Operation: 65-2=63, Resulting Numbers: [1, 63] Generated Node #0,0,3: 33:[1, 63] Operation: 65-2=63 Exploring Operation: 65-1=64, Resulting Numbers: [2, 64] Generated Node #0,0,4: 33:[2, 64] Operation: 65-1=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[65, 3], Operations: ['58/29=2', '1+2=3'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 65*3=195, Resulting Numbers: [195] 195,33 unequal: No Solution Exploring Operation: 65+3=68, Resulting Numbers: [68] 68,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 33:[1, 63], Operations: ['58/29=2', '65-2=63'] Exploring Operation: 1+63=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,33 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 33:[2, 64], Operations: ['58/29=2', '65-1=64'] Exploring Operation: 2*64=128, Resulting Numbers: [128] 128,33 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,33 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 33:[2, 65], Operations: ['58/29=2', '65/1=65'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,33 unequal: No Solution Exploring Operation: 2*65=130, Resulting Numbers: [130] 130,33 unequal: No Solution Exploring Operation: 2+65=67, Resulting Numbers: [67] 67,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 33:[2, 65], Operations: ['58/29=2', '65*1=65'] Exploring Operation: 2+65=67, Resulting Numbers: [67] 67,33 unequal: No Solution Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,33 unequal: No Solution Exploring Operation: 2*65=130, Resulting Numbers: [130] 130,33 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: 33:[65, 1, 29], Operations: ['58-29=29'] Exploring Operation: 65*1=65, Resulting Numbers: [29, 65] Generated Node #0,3,0: 33:[29, 65] Operation: 65*1=65 Exploring Operation: 65-1=64, Resulting Numbers: [29, 64] Generated Node #0,3,1: 33:[29, 64] Operation: 65-1=64 Exploring Operation: 65/1=65, Resulting Numbers: [29, 65] Generated Node #0,3,2: 33:[29, 65] Operation: 65/1=65 Exploring Operation: 1+29=30, Resulting Numbers: [65, 30] Generated Node #0,3,3: 33:[65, 30] Operation: 1+29=30 Exploring Operation: 65-29=36, Resulting Numbers: [1, 36] Generated Node #0,3,4: 33:[1, 36] Operation: 65-29=36 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 33:[1, 36], Operations: ['58-29=29', '65-29=36'] Exploring Operation: 1*36=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 1+36=37, Resulting Numbers: [37] 37,33 unequal: No Solution Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 33:[29, 64], Operations: ['58-29=29', '65-1=64'] Exploring Operation: 29*64=1856, Resulting Numbers: [1856] 1856,33 unequal: No Solution Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,33 unequal: No Solution Exploring Operation: 29+64=93, Resulting Numbers: [93] 93,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 33:[65, 30], Operations: ['58-29=29', '1+29=30'] Exploring Operation: 65+30=95, Resulting Numbers: [95] 95,33 unequal: No Solution Exploring Operation: 65-30=35, Resulting Numbers: [35] 35,33 unequal: No Solution Exploring Operation: 65*30=1950, Resulting Numbers: [1950] 1950,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 33:[29, 65], Operations: ['58-29=29', '65*1=65'] Exploring Operation: 29*65=1885, Resulting Numbers: [1885] 1885,33 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 29+65=94, Resulting Numbers: [94] 94,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 33:[29, 65], Operations: ['58-29=29', '65/1=65'] Exploring Operation: 29*65=1885, Resulting Numbers: [1885] 1885,33 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 29+65=94, Resulting Numbers: [94] 94,33 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: 33:[58, 65, 30], Operations: ['29+1=30'] Exploring Operation: 58+30=88, Resulting Numbers: [65, 88] Generated Node #0,4,0: 33:[65, 88] Operation: 58+30=88 Exploring Operation: 65+30=95, Resulting Numbers: [58, 95] Generated Node #0,4,1: 33:[58, 95] Operation: 65+30=95 Exploring Operation: 58-30=28, Resulting Numbers: [65, 28] Generated Node #0,4,2: 33:[65, 28] Operation: 58-30=28 Exploring Operation: 65-58=7, Resulting Numbers: [30, 7] Generated Node #0,4,3: 33:[30, 7] Operation: 65-58=7 Exploring Operation: 65-30=35, Resulting Numbers: [58, 35] Generated Node #0,4,4: 33:[58, 35] Operation: 65-30=35 Moving to Node #0,2,2 Current State: 33:[1, 36], Operations: ['65-58=7', '29+7=36'] Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,33 unequal: No Solution Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 1+36=37, Resulting Numbers: [37] 37,33 unequal: No Solution Exploring Operation: 1*36=36, Resulting Numbers: [36] 36,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[7, 30], Operations: ['65-58=7', '29+1=30'] Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,33 unequal: No Solution Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,33 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[29, 6], Operations: ['65-58=7', '7-1=6'] Exploring Operation: 29*6=174, Resulting Numbers: [174] 174,33 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,33 unequal: No Solution Exploring Operation: 29+6=35, Resulting Numbers: [35] 35,33 unequal: No Solution Moving to Node #0,4,3 Current State: 33:[30, 7], Operations: ['29+1=30', '65-58=7'] Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,33 unequal: No Solution Exploring Operation: 30*7=210, Resulting Numbers: [210] 210,33 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[29, 8], Operations: ['65-58=7', '1+7=8'] Exploring Operation: 29+8=37, Resulting Numbers: [37] 37,33 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 29*8=232, Resulting Numbers: [232] 232,33 unequal: No Solution Moving to Node #0,2,4 Current State: 33:[7, 29], Operations: ['65-58=7', '29*1=29'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 7*29=203, Resulting Numbers: [203] 203,33 unequal: No Solution Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,33 unequal: No Solution Moving to Node #0,1,4 Current State: 33:[1, 22], Operations: ['65-29=36', '58-36=22'] Exploring Operation: 1+22=23, Resulting Numbers: [23] 23,33 unequal: No Solution Exploring Operation: 22/1=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 1*22=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[58, 35], Operations: ['65-29=36', '36-1=35'] Exploring Operation: 58+35=93, Resulting Numbers: [93] 93,33 unequal: No Solution Exploring Operation: 58*35=2030, Resulting Numbers: [2030] 2030,33 unequal: No Solution Exploring Operation: 58-35=23, Resulting Numbers: [23] 23,33 unequal: No Solution Moving to Node #0,4,4 Current State: 33:[58, 35], Operations: ['29+1=30', '65-30=35'] Exploring Operation: 58-35=23, Resulting Numbers: [23] 23,33 unequal: No Solution Exploring Operation: 58*35=2030, Resulting Numbers: [2030] 2030,33 unequal: No Solution Exploring Operation: 58+35=93, Resulting Numbers: [93] 93,33 unequal: No Solution Moving to Node #0,1,3 Current State: 33:[36, 57], Operations: ['65-29=36', '58-1=57'] Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 36+57=93, Resulting Numbers: [93] 93,33 unequal: No Solution Exploring Operation: 36*57=2052, Resulting Numbers: [2052] 2052,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[36, 58], Operations: ['65-29=36', '58*1=58'] Exploring Operation: 36+58=94, Resulting Numbers: [94] 94,33 unequal: No Solution Exploring Operation: 58-36=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 36*58=2088, Resulting Numbers: [2088] 2088,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[36, 58], Operations: ['65-29=36', '58/1=58'] Exploring Operation: 36*58=2088, Resulting Numbers: [2088] 2088,33 unequal: No Solution Exploring Operation: 58-36=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 36+58=94, Resulting Numbers: [94] 94,33 unequal: No Solution Moving to Node #0,4,2 Current State: 33:[65, 28], Operations: ['29+1=30', '58-30=28'] Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,33 unequal: No Solution Exploring Operation: 65*28=1820, Resulting Numbers: [1820] 1820,33 unequal: No Solution Exploring Operation: 65+28=93, Resulting Numbers: [93] 93,33 unequal: No Solution Moving to Node #0,4,0 Current State: 33:[65, 88], Operations: ['29+1=30', '58+30=88'] Exploring Operation: 65*88=5720, Resulting Numbers: [5720] 5720,33 unequal: No Solution Exploring Operation: 65+88=153, Resulting Numbers: [153] 153,33 unequal: No Solution Exploring Operation: 88-65=23, Resulting Numbers: [23] 23,33 unequal: No Solution Moving to Node #0,4,1 Current State: 33:[58, 95], Operations: ['29+1=30', '65+30=95'] Exploring Operation: 95-58=37, Resulting Numbers: [37] 37,33 unequal: No Solution Exploring Operation: 58+95=153, Resulting Numbers: [153] 153,33 unequal: No Solution Exploring Operation: 58*95=5510, Resulting Numbers: [5510] 5510,33 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 22, 95, 79, 2 ]
14
[ "95-79=16", "16/2=8", "22-8=14" ]
Current State: 14:[22, 95, 79, 2], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [22, 2, 16] Generated Node #2: [22, 2, 16] from Operation: 95-79=16 Current State: 14:[22, 2, 16], Operations: ['95-79=16'] Exploring Operation: 16/2=8, Resulting Numbers: [22, 8] Generated Node #3: [22, 8] from Operation: 16/2=8 Current State: 14:[22, 8], Operations: ['95-79=16', '16/2=8'] Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[22, 95, 79, 2], Operations: [] Exploring Operation: 22-2=20, Resulting Numbers: [95, 79, 20] Generated Node #0,0: 14:[95, 79, 20] Operation: 22-2=20 Exploring Operation: 79-22=57, Resulting Numbers: [95, 2, 57] Generated Node #0,1: 14:[95, 2, 57] Operation: 79-22=57 Exploring Operation: 22/2=11, Resulting Numbers: [95, 79, 11] Generated Node #0,2: 14:[95, 79, 11] Operation: 22/2=11 Exploring Operation: 95-22=73, Resulting Numbers: [79, 2, 73] Generated Node #0,3: 14:[79, 2, 73] Operation: 95-22=73 Exploring Operation: 95-79=16, Resulting Numbers: [22, 2, 16] Generated Node #0,4: 14:[22, 2, 16] Operation: 95-79=16 Moving to Node #0,4 Current State: 14:[22, 2, 16], Operations: ['95-79=16'] Exploring Operation: 22-16=6, Resulting Numbers: [2, 6] Generated Node #0,4,0: 14:[2, 6] Operation: 22-16=6 Exploring Operation: 22-2=20, Resulting Numbers: [16, 20] Generated Node #0,4,1: 14:[16, 20] Operation: 22-2=20 Exploring Operation: 22/2=11, Resulting Numbers: [16, 11] Generated Node #0,4,2: 14:[16, 11] Operation: 22/2=11 Exploring Operation: 16-2=14, Resulting Numbers: [22, 14] Generated Node #0,4,3: 14:[22, 14] Operation: 16-2=14 Exploring Operation: 16/2=8, Resulting Numbers: [22, 8] Generated Node #0,4,4: 14:[22, 8] Operation: 16/2=8 Moving to Node #0,3 Current State: 14:[79, 2, 73], Operations: ['95-22=73'] Exploring Operation: 79-73=6, Resulting Numbers: [2, 6] Generated Node #0,3,0: 14:[2, 6] Operation: 79-73=6 Exploring Operation: 73-2=71, Resulting Numbers: [79, 71] Generated Node #0,3,1: 14:[79, 71] Operation: 73-2=71 Exploring Operation: 79+2=81, Resulting Numbers: [73, 81] Generated Node #0,3,2: 14:[73, 81] Operation: 79+2=81 Exploring Operation: 2+73=75, Resulting Numbers: [79, 75] Generated Node #0,3,3: 14:[79, 75] Operation: 2+73=75 Exploring Operation: 79-2=77, Resulting Numbers: [73, 77] Generated Node #0,3,4: 14:[73, 77] Operation: 79-2=77 Moving to Node #0,1 Current State: 14:[95, 2, 57], Operations: ['79-22=57'] Exploring Operation: 57-2=55, Resulting Numbers: [95, 55] Generated Node #0,1,0: 14:[95, 55] Operation: 57-2=55 Exploring Operation: 95-57=38, Resulting Numbers: [2, 38] Generated Node #0,1,1: 14:[2, 38] Operation: 95-57=38 Exploring Operation: 95-2=93, Resulting Numbers: [57, 93] Generated Node #0,1,2: 14:[57, 93] Operation: 95-2=93 Exploring Operation: 95+2=97, Resulting Numbers: [57, 97] Generated Node #0,1,3: 14:[57, 97] Operation: 95+2=97 Exploring Operation: 2+57=59, Resulting Numbers: [95, 59] Generated Node #0,1,4: 14:[95, 59] Operation: 2+57=59 Moving to Node #0,2 Current State: 14:[95, 79, 11], Operations: ['22/2=11'] Exploring Operation: 95-79=16, Resulting Numbers: [11, 16] Generated Node #0,2,0: 14:[11, 16] Operation: 95-79=16 Exploring Operation: 95+11=106, Resulting Numbers: [79, 106] Generated Node #0,2,1: 14:[79, 106] Operation: 95+11=106 Exploring Operation: 95-11=84, Resulting Numbers: [79, 84] Generated Node #0,2,2: 14:[79, 84] Operation: 95-11=84 Exploring Operation: 79-11=68, Resulting Numbers: [95, 68] Generated Node #0,2,3: 14:[95, 68] Operation: 79-11=68 Exploring Operation: 79+11=90, Resulting Numbers: [95, 90] Generated Node #0,2,4: 14:[95, 90] Operation: 79+11=90 Moving to Node #0,0 Current State: 14:[95, 79, 20], Operations: ['22-2=20'] Exploring Operation: 95-20=75, Resulting Numbers: [79, 75] Generated Node #0,0,0: 14:[79, 75] Operation: 95-20=75 Exploring Operation: 95-79=16, Resulting Numbers: [20, 16] Generated Node #0,0,1: 14:[20, 16] Operation: 95-79=16 Exploring Operation: 95+79=174, Resulting Numbers: [20, 174] Generated Node #0,0,2: 14:[20, 174] Operation: 95+79=174 Exploring Operation: 95+20=115, Resulting Numbers: [79, 115] Generated Node #0,0,3: 14:[79, 115] Operation: 95+20=115 Exploring Operation: 79-20=59, Resulting Numbers: [95, 59] Generated Node #0,0,4: 14:[95, 59] Operation: 79-20=59 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 14:[20, 16], Operations: ['22-2=20', '95-79=16'] Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,14 unequal: No Solution Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,14 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,14 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 #0,0,0 Current State: 14:[79, 75], Operations: ['22-2=20', '95-20=75'] Exploring Operation: 79*75=5925, Resulting Numbers: [5925] 5925,14 unequal: No Solution Exploring Operation: 79-75=4, Resulting Numbers: [4] 4,14 unequal: No Solution Exploring Operation: 79+75=154, Resulting Numbers: [154] 154,14 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 #0,0,4 Current State: 14:[95, 59], Operations: ['22-2=20', '79-20=59'] Exploring Operation: 95-59=36, Resulting Numbers: [36] 36,14 unequal: No Solution Exploring Operation: 95+59=154, Resulting Numbers: [154] 154,14 unequal: No Solution Exploring Operation: 95*59=5605, Resulting Numbers: [5605] 5605,14 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 #0,0,2 Current State: 14:[20, 174], Operations: ['22-2=20', '95+79=174'] Exploring Operation: 20+174=194, Resulting Numbers: [194] 194,14 unequal: No Solution Exploring Operation: 20*174=3480, Resulting Numbers: [3480] 3480,14 unequal: No Solution Exploring Operation: 174-20=154, Resulting Numbers: [154] 154,14 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 #0,0,3 Current State: 14:[79, 115], Operations: ['22-2=20', '95+20=115'] Exploring Operation: 115-79=36, Resulting Numbers: [36] 36,14 unequal: No Solution Exploring Operation: 79+115=194, Resulting Numbers: [194] 194,14 unequal: No Solution Exploring Operation: 79*115=9085, Resulting Numbers: [9085] 9085,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 14:[2, 6], Operations: ['95-79=16', '22-16=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,14 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,14 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,14 unequal: No Solution Moving to Node #0,3,0 Current State: 14:[2, 6], Operations: ['95-22=73', '79-73=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,14 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,14 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,14 unequal: No Solution Moving to Node #0,4,2 Current State: 14:[16, 11], Operations: ['95-79=16', '22/2=11'] Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,14 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[11, 16], Operations: ['22/2=11', '95-79=16'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,14 unequal: No Solution Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,14 unequal: No Solution Moving to Node #0,4,1 Current State: 14:[16, 20], Operations: ['95-79=16', '22-2=20'] Exploring Operation: 16+20=36, Resulting Numbers: [36] 36,14 unequal: No Solution Exploring Operation: 16*20=320, Resulting Numbers: [320] 320,14 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,14 unequal: No Solution Moving to Node #0,4,3 Current State: 14:[22, 14], Operations: ['95-79=16', '16-2=14'] Exploring Operation: 22+14=36, Resulting Numbers: [36] 36,14 unequal: No Solution Exploring Operation: 22*14=308, Resulting Numbers: [308] 308,14 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,14 unequal: No Solution Moving to Node #0,4,4 Current State: 14:[22, 8], Operations: ['95-79=16', '16/2=8'] Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,14 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[22, 95, 79, 2], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [22, 2, 16] Generated Node #0,4: 14:[22, 2, 16] Operation: 95-79=16 Moving to Node #0,4 Current State: 14:[22, 2, 16], Operations: ['95-79=16'] Exploring Operation: 16/2=8, Resulting Numbers: [22, 8] Generated Node #0,4,4: 14:[22, 8] Operation: 16/2=8 Moving to Node #0,4,4 Current State: 14:[22, 8], Operations: ['95-79=16', '16/2=8'] Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.938368
hs_5
sum_heuristic
[ 5, 3, 74, 31 ]
40
[ "74+31=105", "105/3=35", "5+35=40" ]
Current State: 40:[5, 3, 74, 31], Operations: [] Exploring Operation: 74+31=105, Resulting Numbers: [5, 3, 105] Generated Node #2: [5, 3, 105] from Operation: 74+31=105 Current State: 40:[5, 3, 105], Operations: ['74+31=105'] Exploring Operation: 105/3=35, Resulting Numbers: [5, 35] Generated Node #3: [5, 35] from Operation: 105/3=35 Current State: 40:[5, 35], Operations: ['74+31=105', '105/3=35'] Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[5, 3, 74, 31], Operations: [] Exploring Operation: 74-31=43, Resulting Numbers: [5, 3, 43] Generated Node #0,0: 40:[5, 3, 43] Operation: 74-31=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[5, 3, 43], Operations: ['74-31=43'] Exploring Operation: 43-3=40, Resulting Numbers: [5, 40] Generated Node #0,0,0: 40:[5, 40] Operation: 43-3=40 Moving to Node #0,0,0 Current State: 40:[5, 40], Operations: ['74-31=43', '43-3=40'] Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 80, 91, 73, 64 ]
34
[ "80+91=171", "73+64=137", "171-137=34" ]
Current State: 34:[80, 91, 73, 64], Operations: [] Exploring Operation: 80+91=171, Resulting Numbers: [73, 64, 171] Generated Node #2: [73, 64, 171] from Operation: 80+91=171 Current State: 34:[73, 64, 171], Operations: ['80+91=171'] Exploring Operation: 73+64=137, Resulting Numbers: [171, 137] Generated Node #3: [171, 137] from Operation: 73+64=137 Current State: 34:[171, 137], Operations: ['80+91=171', '73+64=137'] Exploring Operation: 171-137=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[80, 91, 73, 64], Operations: [] Exploring Operation: 91-73=18, Resulting Numbers: [80, 64, 18] Generated Node #0,0: 34:[80, 64, 18] Operation: 91-73=18 Exploring Operation: 80-64=16, Resulting Numbers: [91, 73, 16] Generated Node #0,1: 34:[91, 73, 16] Operation: 80-64=16 Exploring Operation: 80-73=7, Resulting Numbers: [91, 64, 7] Generated Node #0,2: 34:[91, 64, 7] Operation: 80-73=7 Exploring Operation: 91-64=27, Resulting Numbers: [80, 73, 27] Generated Node #0,3: 34:[80, 73, 27] Operation: 91-64=27 Exploring Operation: 91-80=11, Resulting Numbers: [73, 64, 11] Generated Node #0,4: 34:[73, 64, 11] Operation: 91-80=11 Moving to Node #0,4 Current State: 34:[73, 64, 11], Operations: ['91-80=11'] Exploring Operation: 64-11=53, Resulting Numbers: [73, 53] Generated Node #0,4,0: 34:[73, 53] Operation: 64-11=53 Exploring Operation: 73-64=9, Resulting Numbers: [11, 9] Generated Node #0,4,1: 34:[11, 9] Operation: 73-64=9 Exploring Operation: 73-11=62, Resulting Numbers: [64, 62] Generated Node #0,4,2: 34:[64, 62] Operation: 73-11=62 Exploring Operation: 73+11=84, Resulting Numbers: [64, 84] Generated Node #0,4,3: 34:[64, 84] Operation: 73+11=84 Exploring Operation: 64+11=75, Resulting Numbers: [73, 75] Generated Node #0,4,4: 34:[73, 75] Operation: 64+11=75 Moving to Node #0,0 Current State: 34:[80, 64, 18], Operations: ['91-73=18'] Exploring Operation: 64+18=82, Resulting Numbers: [80, 82] Generated Node #0,0,0: 34:[80, 82] Operation: 64+18=82 Exploring Operation: 80-64=16, Resulting Numbers: [18, 16] Generated Node #0,0,1: 34:[18, 16] Operation: 80-64=16 Exploring Operation: 80-18=62, Resulting Numbers: [64, 62] Generated Node #0,0,2: 34:[64, 62] Operation: 80-18=62 Exploring Operation: 64-18=46, Resulting Numbers: [80, 46] Generated Node #0,0,3: 34:[80, 46] Operation: 64-18=46 Exploring Operation: 80+18=98, Resulting Numbers: [64, 98] Generated Node #0,0,4: 34:[64, 98] Operation: 80+18=98 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 34:[18, 16], Operations: ['91-73=18', '80-64=16'] Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[80, 91, 73, 64], Operations: [] Exploring Operation: 91-73=18, Resulting Numbers: [80, 64, 18] Generated Node #0,0: 34:[80, 64, 18] Operation: 91-73=18 Moving to Node #0,0 Current State: 34:[80, 64, 18], Operations: ['91-73=18'] Exploring Operation: 80-64=16, Resulting Numbers: [18, 16] Generated Node #0,0,1: 34:[18, 16] Operation: 80-64=16 Moving to Node #0,0,1 Current State: 34:[18, 16], Operations: ['91-73=18', '80-64=16'] Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 76, 4, 7, 6 ]
80
[ "76+4=80", "7-6=1", "80*1=80" ]
Current State: 80:[76, 4, 7, 6], Operations: [] Exploring Operation: 76+4=80, Resulting Numbers: [7, 6, 80] Generated Node #2: [7, 6, 80] from Operation: 76+4=80 Current State: 80:[7, 6, 80], Operations: ['76+4=80'] Exploring Operation: 7-6=1, Resulting Numbers: [80, 1] Generated Node #3: [80, 1] from Operation: 7-6=1 Current State: 80:[80, 1], Operations: ['76+4=80', '7-6=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[76, 4, 7, 6], Operations: [] Exploring Operation: 76+4=80, Resulting Numbers: [7, 6, 80] Generated Node #0,0: 80:[7, 6, 80] Operation: 76+4=80 Exploring Operation: 76/4=19, Resulting Numbers: [7, 6, 19] Generated Node #0,1: 80:[7, 6, 19] Operation: 76/4=19 Moving to Node #0,0 Current State: 80:[7, 6, 80], Operations: ['76+4=80'] Exploring Operation: 7*6=42, Resulting Numbers: [80, 42] Generated Node #0,0,0: 80:[80, 42] Operation: 7*6=42 Exploring Operation: 7-6=1, Resulting Numbers: [80, 1] Generated Node #0,0,1: 80:[80, 1] Operation: 7-6=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[80, 1], Operations: ['76+4=80', '7-6=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[76, 4, 7, 6], Operations: [] Exploring Operation: 76+4=80, Resulting Numbers: [7, 6, 80] Generated Node #0,0: 80:[7, 6, 80] Operation: 76+4=80 Moving to Node #0,0 Current State: 80:[7, 6, 80], Operations: ['76+4=80'] Exploring Operation: 7-6=1, Resulting Numbers: [80, 1] Generated Node #0,0,1: 80:[80, 1] Operation: 7-6=1 Moving to Node #0,0,1 Current State: 80:[80, 1], Operations: ['76+4=80', '7-6=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 38, 4, 47, 55 ]
60
[ "38+4=42", "47+55=102", "102-42=60" ]
Current State: 60:[38, 4, 47, 55], Operations: [] Exploring Operation: 38+4=42, Resulting Numbers: [47, 55, 42] Generated Node #2: [47, 55, 42] from Operation: 38+4=42 Current State: 60:[47, 55, 42], Operations: ['38+4=42'] Exploring Operation: 47+55=102, Resulting Numbers: [42, 102] Generated Node #3: [42, 102] from Operation: 47+55=102 Current State: 60:[42, 102], Operations: ['38+4=42', '47+55=102'] Exploring Operation: 102-42=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[38, 4, 47, 55], Operations: [] Exploring Operation: 47-38=9, Resulting Numbers: [4, 55, 9] Generated Node #0,0: 60:[4, 55, 9] Operation: 47-38=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[4, 55, 9], Operations: ['47-38=9'] Exploring Operation: 4+55=59, Resulting Numbers: [9, 59] Generated Node #0,0,0: 60:[9, 59] Operation: 4+55=59 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[9, 59], Operations: ['47-38=9', '4+55=59'] Exploring Operation: 9+59=68, Resulting Numbers: [68] 68,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 71, 98, 23, 73 ]
95
[ "71*98=6958", "6958-23=6935", "6935/73=95" ]
Current State: 95:[71, 98, 23, 73], Operations: [] Exploring Operation: 71*98=6958, Resulting Numbers: [23, 73, 6958] Generated Node #2: [23, 73, 6958] from Operation: 71*98=6958 Current State: 95:[23, 73, 6958], Operations: ['71*98=6958'] Exploring Operation: 6958-23=6935, Resulting Numbers: [73, 6935] Generated Node #3: [73, 6935] from Operation: 6958-23=6935 Current State: 95:[73, 6935], Operations: ['71*98=6958', '6958-23=6935'] Exploring Operation: 6935/73=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[71, 98, 23, 73], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [98, 23, 2] Generated Node #0,0: 95:[98, 23, 2] Operation: 73-71=2 Exploring Operation: 23+73=96, Resulting Numbers: [71, 98, 96] Generated Node #0,1: 95:[71, 98, 96] Operation: 23+73=96 Exploring Operation: 71+23=94, Resulting Numbers: [98, 73, 94] Generated Node #0,2: 95:[98, 73, 94] Operation: 71+23=94 Moving to Node #0,0 Current State: 95:[98, 23, 2], Operations: ['73-71=2'] Exploring Operation: 23-2=21, Resulting Numbers: [98, 21] Generated Node #0,0,0: 95:[98, 21] Operation: 23-2=21 Exploring Operation: 98-2=96, Resulting Numbers: [23, 96] Generated Node #0,0,1: 95:[23, 96] Operation: 98-2=96 Exploring Operation: 98+2=100, Resulting Numbers: [23, 100] Generated Node #0,0,2: 95:[23, 100] Operation: 98+2=100 Moving to Node #0,2 Current State: 95:[98, 73, 94], Operations: ['71+23=94'] Exploring Operation: 98-73=25, Resulting Numbers: [94, 25] Generated Node #0,2,0: 95:[94, 25] Operation: 98-73=25 Exploring Operation: 98-94=4, Resulting Numbers: [73, 4] Generated Node #0,2,1: 95:[73, 4] Operation: 98-94=4 Exploring Operation: 94-73=21, Resulting Numbers: [98, 21] Generated Node #0,2,2: 95:[98, 21] Operation: 94-73=21 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 95:[98, 21], Operations: ['71+23=94', '94-73=21'] Exploring Operation: 98+21=119, Resulting Numbers: [119] 119,95 unequal: No Solution Exploring Operation: 98-21=77, Resulting Numbers: [77] 77,95 unequal: No Solution Exploring Operation: 98*21=2058, Resulting Numbers: [2058] 2058,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 95:[94, 25], Operations: ['71+23=94', '98-73=25'] Exploring Operation: 94-25=69, Resulting Numbers: [69] 69,95 unequal: No Solution Exploring Operation: 94*25=2350, Resulting Numbers: [2350] 2350,95 unequal: No Solution Exploring Operation: 94+25=119, Resulting Numbers: [119] 119,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 95:[73, 4], Operations: ['71+23=94', '98-94=4'] Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,95 unequal: No Solution Exploring Operation: 73*4=292, Resulting Numbers: [292] 292,95 unequal: No Solution Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 95:[71, 98, 96], Operations: ['23+73=96'] Exploring Operation: 96-71=25, Resulting Numbers: [98, 25] Generated Node #0,1,0: 95:[98, 25] Operation: 96-71=25 Exploring Operation: 98-71=27, Resulting Numbers: [96, 27] Generated Node #0,1,1: 95:[96, 27] Operation: 98-71=27 Exploring Operation: 98-96=2, Resulting Numbers: [71, 2] Generated Node #0,1,2: 95:[71, 2] Operation: 98-96=2 Moving to Node #0,0,0 Current State: 95:[98, 21], Operations: ['73-71=2', '23-2=21'] Exploring Operation: 98+21=119, Resulting Numbers: [119] 119,95 unequal: No Solution Exploring Operation: 98*21=2058, Resulting Numbers: [2058] 2058,95 unequal: No Solution Exploring Operation: 98-21=77, Resulting Numbers: [77] 77,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[23, 96], Operations: ['73-71=2', '98-2=96'] Exploring Operation: 96-23=73, Resulting Numbers: [73] 73,95 unequal: No Solution Exploring Operation: 23*96=2208, Resulting Numbers: [2208] 2208,95 unequal: No Solution Exploring Operation: 23+96=119, Resulting Numbers: [119] 119,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[23, 100], Operations: ['73-71=2', '98+2=100'] Exploring Operation: 100-23=77, Resulting Numbers: [77] 77,95 unequal: No Solution Exploring Operation: 23+100=123, Resulting Numbers: [123] 123,95 unequal: No Solution Exploring Operation: 23*100=2300, Resulting Numbers: [2300] 2300,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[96, 27], Operations: ['23+73=96', '98-71=27'] Exploring Operation: 96+27=123, Resulting Numbers: [123] 123,95 unequal: No Solution Exploring Operation: 96*27=2592, Resulting Numbers: [2592] 2592,95 unequal: No Solution Exploring Operation: 96-27=69, Resulting Numbers: [69] 69,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[98, 25], Operations: ['23+73=96', '96-71=25'] Exploring Operation: 98+25=123, Resulting Numbers: [123] 123,95 unequal: No Solution Exploring Operation: 98*25=2450, Resulting Numbers: [2450] 2450,95 unequal: No Solution Exploring Operation: 98-25=73, Resulting Numbers: [73] 73,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[71, 2], Operations: ['23+73=96', '98-96=2'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,95 unequal: No Solution Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,95 unequal: No Solution Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,95 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 31, 26, 44, 70 ]
30
[ "31-26=5", "70/5=14", "44-14=30" ]
Current State: 30:[31, 26, 44, 70], Operations: [] Exploring Operation: 31-26=5, Resulting Numbers: [44, 70, 5] Generated Node #2: [44, 70, 5] from Operation: 31-26=5 Current State: 30:[44, 70, 5], Operations: ['31-26=5'] Exploring Operation: 70/5=14, Resulting Numbers: [44, 14] Generated Node #3: [44, 14] from Operation: 70/5=14 Current State: 30:[44, 14], Operations: ['31-26=5', '70/5=14'] Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[31, 26, 44, 70], Operations: [] Exploring Operation: 70-44=26, Resulting Numbers: [31, 26, 26] Generated Node #0,0: 30:[31, 26, 26] Operation: 70-44=26 Moving to Node #0,0 Current State: 30:[31, 26, 26], Operations: ['70-44=26'] Exploring Operation: 26/26=1, Resulting Numbers: [31, 1] Generated Node #0,0,0: 30:[31, 1] Operation: 26/26=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[31, 1], Operations: ['70-44=26', '26/26=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[31, 26, 44, 70], Operations: [] Exploring Operation: 70-44=26, Resulting Numbers: [31, 26, 26] Generated Node #0,0: 30:[31, 26, 26] Operation: 70-44=26 Moving to Node #0,0 Current State: 30:[31, 26, 26], Operations: ['70-44=26'] Exploring Operation: 26/26=1, Resulting Numbers: [31, 1] Generated Node #0,0,0: 30:[31, 1] Operation: 26/26=1 Moving to Node #0,0,0 Current State: 30:[31, 1], Operations: ['70-44=26', '26/26=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 8, 10, 81, 21 ]
11
[ "8+81=89", "21+89=110", "110/10=11" ]
Current State: 11:[8, 10, 81, 21], Operations: [] Exploring Operation: 8+81=89, Resulting Numbers: [10, 21, 89] Generated Node #2: [10, 21, 89] from Operation: 8+81=89 Current State: 11:[10, 21, 89], Operations: ['8+81=89'] Exploring Operation: 21+89=110, Resulting Numbers: [10, 110] Generated Node #3: [10, 110] from Operation: 21+89=110 Current State: 11:[10, 110], Operations: ['8+81=89', '21+89=110'] Exploring Operation: 110/10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[8, 10, 81, 21], Operations: [] Exploring Operation: 81-10=71, Resulting Numbers: [8, 21, 71] Generated Node #0,0: 11:[8, 21, 71] Operation: 81-10=71 Exploring Operation: 21-10=11, Resulting Numbers: [8, 81, 11] Generated Node #0,1: 11:[8, 81, 11] Operation: 21-10=11 Exploring Operation: 81-21=60, Resulting Numbers: [8, 10, 60] Generated Node #0,2: 11:[8, 10, 60] Operation: 81-21=60 Exploring Operation: 21-8=13, Resulting Numbers: [10, 81, 13] Generated Node #0,3: 11:[10, 81, 13] Operation: 21-8=13 Exploring Operation: 81-8=73, Resulting Numbers: [10, 21, 73] Generated Node #0,4: 11:[10, 21, 73] Operation: 81-8=73 Moving to Node #0,2 Current State: 11:[8, 10, 60], Operations: ['81-21=60'] Exploring Operation: 60/10=6, Resulting Numbers: [8, 6] Generated Node #0,2,0: 11:[8, 6] Operation: 60/10=6 Exploring Operation: 60-10=50, Resulting Numbers: [8, 50] Generated Node #0,2,1: 11:[8, 50] Operation: 60-10=50 Exploring Operation: 10-8=2, Resulting Numbers: [60, 2] Generated Node #0,2,2: 11:[60, 2] Operation: 10-8=2 Exploring Operation: 60-8=52, Resulting Numbers: [10, 52] Generated Node #0,2,3: 11:[10, 52] Operation: 60-8=52 Exploring Operation: 8+10=18, Resulting Numbers: [60, 18] Generated Node #0,2,4: 11:[60, 18] Operation: 8+10=18 Moving to Node #0,1 Current State: 11:[8, 81, 11], Operations: ['21-10=11'] Exploring Operation: 8+11=19, Resulting Numbers: [81, 19] Generated Node #0,1,0: 11:[81, 19] Operation: 8+11=19 Exploring Operation: 8+81=89, Resulting Numbers: [11, 89] Generated Node #0,1,1: 11:[11, 89] Operation: 8+81=89 Exploring Operation: 81-11=70, Resulting Numbers: [8, 70] Generated Node #0,1,2: 11:[8, 70] Operation: 81-11=70 Exploring Operation: 81-8=73, Resulting Numbers: [11, 73] Generated Node #0,1,3: 11:[11, 73] Operation: 81-8=73 Exploring Operation: 11-8=3, Resulting Numbers: [81, 3] Generated Node #0,1,4: 11:[81, 3] Operation: 11-8=3 Moving to Node #0,4 Current State: 11:[10, 21, 73], Operations: ['81-8=73'] Exploring Operation: 10+73=83, Resulting Numbers: [21, 83] Generated Node #0,4,0: 11:[21, 83] Operation: 10+73=83 Exploring Operation: 73-10=63, Resulting Numbers: [21, 63] Generated Node #0,4,1: 11:[21, 63] Operation: 73-10=63 Exploring Operation: 73-21=52, Resulting Numbers: [10, 52] Generated Node #0,4,2: 11:[10, 52] Operation: 73-21=52 Exploring Operation: 10+21=31, Resulting Numbers: [73, 31] Generated Node #0,4,3: 11:[73, 31] Operation: 10+21=31 Exploring Operation: 21-10=11, Resulting Numbers: [73, 11] Generated Node #0,4,4: 11:[73, 11] Operation: 21-10=11 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 11:[10, 52], Operations: ['81-8=73', '73-21=52'] Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 10*52=520, Resulting Numbers: [520] 520,11 unequal: No Solution Exploring Operation: 10+52=62, Resulting Numbers: [62] 62,11 unequal: No Solution No 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: 11:[21, 63], Operations: ['81-8=73', '73-10=63'] Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 21*63=1323, Resulting Numbers: [1323] 1323,11 unequal: No Solution Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 21+63=84, Resulting Numbers: [84] 84,11 unequal: No Solution No 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: 11:[73, 11], Operations: ['81-8=73', '21-10=11'] Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,11 unequal: No Solution Exploring Operation: 73+11=84, Resulting Numbers: [84] 84,11 unequal: No Solution Exploring Operation: 73*11=803, Resulting Numbers: [803] 803,11 unequal: No Solution No 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: 11:[21, 83], Operations: ['81-8=73', '10+73=83'] Exploring Operation: 21*83=1743, Resulting Numbers: [1743] 1743,11 unequal: No Solution Exploring Operation: 83-21=62, Resulting Numbers: [62] 62,11 unequal: No Solution Exploring Operation: 21+83=104, Resulting Numbers: [104] 104,11 unequal: No Solution No 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: 11:[73, 31], Operations: ['81-8=73', '10+21=31'] Exploring Operation: 73+31=104, Resulting Numbers: [104] 104,11 unequal: No Solution Exploring Operation: 73*31=2263, Resulting Numbers: [2263] 2263,11 unequal: No Solution Exploring Operation: 73-31=42, Resulting Numbers: [42] 42,11 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: 11:[8, 21, 71], Operations: ['81-10=71'] Exploring Operation: 8+21=29, Resulting Numbers: [71, 29] Generated Node #0,0,0: 11:[71, 29] Operation: 8+21=29 Exploring Operation: 21-8=13, Resulting Numbers: [71, 13] Generated Node #0,0,1: 11:[71, 13] Operation: 21-8=13 Exploring Operation: 71-8=63, Resulting Numbers: [21, 63] Generated Node #0,0,2: 11:[21, 63] Operation: 71-8=63 Exploring Operation: 8+71=79, Resulting Numbers: [21, 79] Generated Node #0,0,3: 11:[21, 79] Operation: 8+71=79 Exploring Operation: 71-21=50, Resulting Numbers: [8, 50] Generated Node #0,0,4: 11:[8, 50] Operation: 71-21=50 Moving to Node #0,3 Current State: 11:[10, 81, 13], Operations: ['21-8=13'] Exploring Operation: 81-13=68, Resulting Numbers: [10, 68] Generated Node #0,3,0: 11:[10, 68] Operation: 81-13=68 Exploring Operation: 81-10=71, Resulting Numbers: [13, 71] Generated Node #0,3,1: 11:[13, 71] Operation: 81-10=71 Exploring Operation: 13-10=3, Resulting Numbers: [81, 3] Generated Node #0,3,2: 11:[81, 3] Operation: 13-10=3 Exploring Operation: 10+13=23, Resulting Numbers: [81, 23] Generated Node #0,3,3: 11:[81, 23] Operation: 10+13=23 Exploring Operation: 10+81=91, Resulting Numbers: [13, 91] Generated Node #0,3,4: 11:[13, 91] Operation: 10+81=91 Moving to Node #0,2,0 Current State: 11:[8, 6], Operations: ['81-21=60', '60/10=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,11 unequal: No Solution Moving to Node #0,2,3 Current State: 11:[10, 52], Operations: ['81-21=60', '60-8=52'] Exploring Operation: 10+52=62, Resulting Numbers: [62] 62,11 unequal: No Solution Exploring Operation: 10*52=520, Resulting Numbers: [520] 520,11 unequal: No Solution Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[8, 50], Operations: ['81-21=60', '60-10=50'] Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 8+50=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 8*50=400, Resulting Numbers: [400] 400,11 unequal: No Solution Moving to Node #0,0,4 Current State: 11:[8, 50], Operations: ['81-10=71', '71-21=50'] Exploring Operation: 8*50=400, Resulting Numbers: [400] 400,11 unequal: No Solution Exploring Operation: 8+50=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,11 unequal: No Solution Moving to Node #0,2,4 Current State: 11:[60, 18], Operations: ['81-21=60', '8+10=18'] Exploring Operation: 60+18=78, Resulting Numbers: [78] 78,11 unequal: No Solution Exploring Operation: 60-18=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 60*18=1080, Resulting Numbers: [1080] 1080,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[60, 2], Operations: ['81-21=60', '10-8=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,11 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,11 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,11 unequal: No Solution Moving to Node #0,3,0 Current State: 11:[10, 68], Operations: ['21-8=13', '81-13=68'] Exploring Operation: 10*68=680, Resulting Numbers: [680] 680,11 unequal: No Solution Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 10+68=78, Resulting Numbers: [78] 78,11 unequal: No Solution Moving to Node #0,1,3 Current State: 11:[11, 73], Operations: ['21-10=11', '81-8=73'] Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,11 unequal: No Solution Exploring Operation: 11*73=803, Resulting Numbers: [803] 803,11 unequal: No Solution Exploring Operation: 11+73=84, Resulting Numbers: [84] 84,11 unequal: No Solution Moving to Node #0,1,2 Current State: 11:[8, 70], Operations: ['21-10=11', '81-11=70'] Exploring Operation: 70-8=62, Resulting Numbers: [62] 62,11 unequal: No Solution Exploring Operation: 8+70=78, Resulting Numbers: [78] 78,11 unequal: No Solution Exploring Operation: 8*70=560, Resulting Numbers: [560] 560,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[21, 63], Operations: ['81-10=71', '71-8=63'] Exploring Operation: 21+63=84, Resulting Numbers: [84] 84,11 unequal: No Solution Exploring Operation: 21*63=1323, Resulting Numbers: [1323] 1323,11 unequal: No Solution Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,11 unequal: No Solution Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[71, 13], Operations: ['81-10=71', '21-8=13'] Exploring Operation: 71*13=923, Resulting Numbers: [923] 923,11 unequal: No Solution Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 71+13=84, Resulting Numbers: [84] 84,11 unequal: No Solution Moving to Node #0,3,1 Current State: 11:[13, 71], Operations: ['21-8=13', '81-10=71'] Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 13*71=923, Resulting Numbers: [923] 923,11 unequal: No Solution Exploring Operation: 13+71=84, Resulting Numbers: [84] 84,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[21, 79], Operations: ['81-10=71', '8+71=79'] Exploring Operation: 21*79=1659, Resulting Numbers: [1659] 1659,11 unequal: No Solution Exploring Operation: 21+79=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 79-21=58, Resulting Numbers: [58] 58,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[71, 29], Operations: ['81-10=71', '8+21=29'] Exploring Operation: 71+29=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 71*29=2059, Resulting Numbers: [2059] 2059,11 unequal: No Solution Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,11 unequal: No Solution Moving to Node #0,1,0 Current State: 11:[81, 19], Operations: ['21-10=11', '8+11=19'] Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,11 unequal: No Solution Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,11 unequal: No Solution Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,11 unequal: No Solution Moving to Node #0,1,4 Current State: 11:[81, 3], Operations: ['21-10=11', '11-8=3'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,11 unequal: No Solution Exploring Operation: 81*3=243, Resulting Numbers: [243] 243,11 unequal: No Solution Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,11 unequal: No Solution Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,11 unequal: No Solution Moving to Node #0,3,2 Current State: 11:[81, 3], Operations: ['21-8=13', '13-10=3'] Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,11 unequal: No Solution Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,11 unequal: No Solution Exploring Operation: 81*3=243, Resulting Numbers: [243] 243,11 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[11, 89], Operations: ['21-10=11', '8+81=89'] Exploring Operation: 11+89=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 11*89=979, Resulting Numbers: [979] 979,11 unequal: No Solution Exploring Operation: 89-11=78, Resulting Numbers: [78] 78,11 unequal: No Solution Moving to Node #0,3,3 Current State: 11:[81, 23], Operations: ['21-8=13', '10+13=23'] Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 81+23=104, Resulting Numbers: [104] 104,11 unequal: No Solution Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,11 unequal: No Solution Moving to Node #0,3,4 Current State: 11:[13, 91], Operations: ['21-8=13', '10+81=91'] Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,11 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,11 unequal: No Solution Exploring Operation: 13*91=1183, Resulting Numbers: [1183] 1183,11 unequal: No Solution Exploring Operation: 13+91=104, Resulting Numbers: [104] 104,11 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 3, 83, 64, 85 ]
63
[ "3+83=86", "64+85=149", "149-86=63" ]
Current State: 63:[3, 83, 64, 85], Operations: [] Exploring Operation: 3+83=86, Resulting Numbers: [64, 85, 86] Generated Node #2: [64, 85, 86] from Operation: 3+83=86 Current State: 63:[64, 85, 86], Operations: ['3+83=86'] Exploring Operation: 64+85=149, Resulting Numbers: [86, 149] Generated Node #3: [86, 149] from Operation: 64+85=149 Current State: 63:[86, 149], Operations: ['3+83=86', '64+85=149'] Exploring Operation: 149-86=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[3, 83, 64, 85], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [3, 64, 2] Generated Node #0,0: 63:[3, 64, 2] Operation: 85-83=2 Exploring Operation: 85-3=82, Resulting Numbers: [83, 64, 82] Generated Node #0,1: 63:[83, 64, 82] Operation: 85-3=82 Exploring Operation: 85-64=21, Resulting Numbers: [3, 83, 21] Generated Node #0,2: 63:[3, 83, 21] Operation: 85-64=21 Exploring Operation: 83-64=19, Resulting Numbers: [3, 85, 19] Generated Node #0,3: 63:[3, 85, 19] Operation: 83-64=19 Exploring Operation: 83-3=80, Resulting Numbers: [64, 85, 80] Generated Node #0,4: 63:[64, 85, 80] Operation: 83-3=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[3, 64, 2], Operations: ['85-83=2'] Exploring Operation: 3*2=6, Resulting Numbers: [64, 6] Generated Node #0,0,0: 63:[64, 6] Operation: 3*2=6 Exploring Operation: 64-3=61, Resulting Numbers: [2, 61] Generated Node #0,0,1: 63:[2, 61] Operation: 64-3=61 Exploring Operation: 64-2=62, Resulting Numbers: [3, 62] Generated Node #0,0,2: 63:[3, 62] Operation: 64-2=62 Exploring Operation: 3-2=1, Resulting Numbers: [64, 1] Generated Node #0,0,3: 63:[64, 1] Operation: 3-2=1 Exploring Operation: 3+2=5, Resulting Numbers: [64, 5] Generated Node #0,0,4: 63:[64, 5] Operation: 3+2=5 Moving to Node #0,0,2 Current State: 63:[3, 62], Operations: ['85-83=2', '64-2=62'] Exploring Operation: 3*62=186, Resulting Numbers: [186] 186,63 unequal: No Solution Exploring Operation: 3+62=65, Resulting Numbers: [65] 65,63 unequal: No Solution Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[64, 6], Operations: ['85-83=2', '3*2=6'] Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,63 unequal: No Solution Exploring Operation: 64*6=384, Resulting Numbers: [384] 384,63 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[2, 61], Operations: ['85-83=2', '64-3=61'] Exploring Operation: 2*61=122, Resulting Numbers: [122] 122,63 unequal: No Solution Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[3, 83, 64, 85], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [3, 64, 2] Generated Node #0,0: 63:[3, 64, 2] Operation: 85-83=2 Moving to Node #0,0 Current State: 63:[3, 64, 2], Operations: ['85-83=2'] Exploring Operation: 64-3=61, Resulting Numbers: [2, 61] Generated Node #0,0,1: 63:[2, 61] Operation: 64-3=61 Moving to Node #0,0,1 Current State: 63:[2, 61], Operations: ['85-83=2', '64-3=61'] Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 69, 49, 12, 3 ]
30
[ "69-12=57", "57/3=19", "49-19=30" ]
Current State: 30:[69, 49, 12, 3], Operations: [] Exploring Operation: 69-12=57, Resulting Numbers: [49, 3, 57] Generated Node #2: [49, 3, 57] from Operation: 69-12=57 Current State: 30:[49, 3, 57], Operations: ['69-12=57'] Exploring Operation: 57/3=19, Resulting Numbers: [49, 19] Generated Node #3: [49, 19] from Operation: 57/3=19 Current State: 30:[49, 19], Operations: ['69-12=57', '57/3=19'] Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[69, 49, 12, 3], Operations: [] Exploring Operation: 69-12=57, Resulting Numbers: [49, 3, 57] Generated Node #0,0: 30:[49, 3, 57] Operation: 69-12=57 Exploring Operation: 49-12=37, Resulting Numbers: [69, 3, 37] Generated Node #0,1: 30:[69, 3, 37] Operation: 49-12=37 Exploring Operation: 69-49=20, Resulting Numbers: [12, 3, 20] Generated Node #0,2: 30:[12, 3, 20] Operation: 69-49=20 Exploring Operation: 69-3=66, Resulting Numbers: [49, 12, 66] Generated Node #0,3: 30:[49, 12, 66] Operation: 69-3=66 Exploring Operation: 69/3=23, Resulting Numbers: [49, 12, 23] Generated Node #0,4: 30:[49, 12, 23] Operation: 69/3=23 Moving to Node #0,2 Current State: 30:[12, 3, 20], Operations: ['69-49=20'] Exploring Operation: 20-12=8, Resulting Numbers: [3, 8] Generated Node #0,2,0: 30:[3, 8] Operation: 20-12=8 Exploring Operation: 12+20=32, Resulting Numbers: [3, 32] Generated Node #0,2,1: 30:[3, 32] Operation: 12+20=32 Exploring Operation: 12-3=9, Resulting Numbers: [20, 9] Generated Node #0,2,2: 30:[20, 9] Operation: 12-3=9 Exploring Operation: 12+3=15, Resulting Numbers: [20, 15] Generated Node #0,2,3: 30:[20, 15] Operation: 12+3=15 Exploring Operation: 20-3=17, Resulting Numbers: [12, 17] Generated Node #0,2,4: 30:[12, 17] Operation: 20-3=17 Moving to Node #0,4 Current State: 30:[49, 12, 23], Operations: ['69/3=23'] Exploring Operation: 49-23=26, Resulting Numbers: [12, 26] Generated Node #0,4,0: 30:[12, 26] Operation: 49-23=26 Exploring Operation: 49+12=61, Resulting Numbers: [23, 61] Generated Node #0,4,1: 30:[23, 61] Operation: 49+12=61 Exploring Operation: 49-12=37, Resulting Numbers: [23, 37] Generated Node #0,4,2: 30:[23, 37] Operation: 49-12=37 Exploring Operation: 12+23=35, Resulting Numbers: [49, 35] Generated Node #0,4,3: 30:[49, 35] Operation: 12+23=35 Exploring Operation: 23-12=11, Resulting Numbers: [49, 11] Generated Node #0,4,4: 30:[49, 11] Operation: 23-12=11 Moving to Node #0,0 Current State: 30:[49, 3, 57], Operations: ['69-12=57'] Exploring Operation: 57-3=54, Resulting Numbers: [49, 54] Generated Node #0,0,0: 30:[49, 54] Operation: 57-3=54 Exploring Operation: 49+3=52, Resulting Numbers: [57, 52] Generated Node #0,0,1: 30:[57, 52] Operation: 49+3=52 Exploring Operation: 57/3=19, Resulting Numbers: [49, 19] Generated Node #0,0,2: 30:[49, 19] Operation: 57/3=19 Exploring Operation: 57-49=8, Resulting Numbers: [3, 8] Generated Node #0,0,3: 30:[3, 8] Operation: 57-49=8 Exploring Operation: 49-3=46, Resulting Numbers: [57, 46] Generated Node #0,0,4: 30:[57, 46] Operation: 49-3=46 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 30:[3, 8], Operations: ['69-12=57', '57-49=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,30 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[49, 19], Operations: ['69-12=57', '57/3=19'] Exploring Operation: 49+19=68, Resulting Numbers: [68] 68,30 unequal: No Solution Exploring Operation: 49*19=931, Resulting Numbers: [931] 931,30 unequal: No Solution Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[69, 49, 12, 3], Operations: [] Exploring Operation: 69-12=57, Resulting Numbers: [49, 3, 57] Generated Node #0,0: 30:[49, 3, 57] Operation: 69-12=57 Moving to Node #0,0 Current State: 30:[49, 3, 57], Operations: ['69-12=57'] Exploring Operation: 57/3=19, Resulting Numbers: [49, 19] Generated Node #0,0,2: 30:[49, 19] Operation: 57/3=19 Moving to Node #0,0,2 Current State: 30:[49, 19], Operations: ['69-12=57', '57/3=19'] Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_5
mult_heuristic
[ 10, 5, 42, 26 ]
10
[ "10/5=2", "26*2=52", "52-42=10" ]
Current State: 10:[10, 5, 42, 26], Operations: [] Exploring Operation: 10/5=2, Resulting Numbers: [42, 26, 2] Generated Node #2: [42, 26, 2] from Operation: 10/5=2 Current State: 10:[42, 26, 2], Operations: ['10/5=2'] Exploring Operation: 26*2=52, Resulting Numbers: [42, 52] Generated Node #3: [42, 52] from Operation: 26*2=52 Current State: 10:[42, 52], Operations: ['10/5=2', '26*2=52'] Exploring Operation: 52-42=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[10, 5, 42, 26], Operations: [] Exploring Operation: 26-10=16, Resulting Numbers: [5, 42, 16] Generated Node #0,0: 10:[5, 42, 16] Operation: 26-10=16 Exploring Operation: 42-10=32, Resulting Numbers: [5, 26, 32] Generated Node #0,1: 10:[5, 26, 32] Operation: 42-10=32 Exploring Operation: 42-26=16, Resulting Numbers: [10, 5, 16] Generated Node #0,2: 10:[10, 5, 16] Operation: 42-26=16 Moving to Node #0,2 Current State: 10:[10, 5, 16], Operations: ['42-26=16'] Exploring Operation: 16-5=11, Resulting Numbers: [10, 11] Generated Node #0,2,0: 10:[10, 11] Operation: 16-5=11 Exploring Operation: 10-5=5, Resulting Numbers: [16, 5] Generated Node #0,2,1: 10:[16, 5] Operation: 10-5=5 Exploring Operation: 16-10=6, Resulting Numbers: [5, 6] Generated Node #0,2,2: 10:[5, 6] Operation: 16-10=6 Moving to Node #0,0 Current State: 10:[5, 42, 16], Operations: ['26-10=16'] Exploring Operation: 42-5=37, Resulting Numbers: [16, 37] Generated Node #0,0,0: 10:[16, 37] Operation: 42-5=37 Exploring Operation: 42-16=26, Resulting Numbers: [5, 26] Generated Node #0,0,1: 10:[5, 26] Operation: 42-16=26 Exploring Operation: 16-5=11, Resulting Numbers: [42, 11] Generated Node #0,0,2: 10:[42, 11] Operation: 16-5=11 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 10:[5, 26], Operations: ['26-10=16', '42-16=26'] Exploring Operation: 5*26=130, Resulting Numbers: [130] 130,10 unequal: No Solution Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[16, 37], Operations: ['26-10=16', '42-5=37'] Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 16*37=592, Resulting Numbers: [592] 592,10 unequal: No Solution Exploring Operation: 16+37=53, Resulting Numbers: [53] 53,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 10:[42, 11], Operations: ['26-10=16', '16-5=11'] Exploring Operation: 42+11=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 42-11=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 42*11=462, Resulting Numbers: [462] 462,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 10:[5, 26, 32], Operations: ['42-10=32'] Exploring Operation: 26-5=21, Resulting Numbers: [32, 21] Generated Node #0,1,0: 10:[32, 21] Operation: 26-5=21 Exploring Operation: 32-26=6, Resulting Numbers: [5, 6] Generated Node #0,1,1: 10:[5, 6] Operation: 32-26=6 Exploring Operation: 32-5=27, Resulting Numbers: [26, 27] Generated Node #0,1,2: 10:[26, 27] Operation: 32-5=27 Moving to Node #0,2,0 Current State: 10:[10, 11], Operations: ['42-26=16', '16-5=11'] Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,10 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,10 unequal: No Solution Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,10 unequal: No Solution Moving to Node #0,2,2 Current State: 10:[5, 6], Operations: ['42-26=16', '16-10=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[5, 6], Operations: ['42-10=32', '32-26=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[16, 5], Operations: ['42-26=16', '10-5=5'] Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,10 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[26, 27], Operations: ['42-10=32', '32-5=27'] Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,10 unequal: No Solution Exploring Operation: 26*27=702, Resulting Numbers: [702] 702,10 unequal: No Solution Exploring Operation: 26+27=53, Resulting Numbers: [53] 53,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[32, 21], Operations: ['42-10=32', '26-5=21'] Exploring Operation: 32*21=672, Resulting Numbers: [672] 672,10 unequal: No Solution Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 32+21=53, Resulting Numbers: [53] 53,10 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 59, 8, 3, 75 ]
24
[ "59+8=67", "75-67=8", "3*8=24" ]
Current State: 24:[59, 8, 3, 75], Operations: [] Exploring Operation: 59+8=67, Resulting Numbers: [3, 75, 67] Generated Node #2: [3, 75, 67] from Operation: 59+8=67 Current State: 24:[3, 75, 67], Operations: ['59+8=67'] Exploring Operation: 75-67=8, Resulting Numbers: [3, 8] Generated Node #3: [3, 8] from Operation: 75-67=8 Current State: 24:[3, 8], Operations: ['59+8=67', '75-67=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[59, 8, 3, 75], Operations: [] Exploring Operation: 75/3=25, Resulting Numbers: [59, 8, 25] Generated Node #0,0: 24:[59, 8, 25] Operation: 75/3=25 Exploring Operation: 75-59=16, Resulting Numbers: [8, 3, 16] Generated Node #0,1: 24:[8, 3, 16] Operation: 75-59=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[8, 3, 16], Operations: ['75-59=16'] Exploring Operation: 8+16=24, Resulting Numbers: [3, 24] Generated Node #0,1,0: 24:[3, 24] Operation: 8+16=24 Exploring Operation: 16-8=8, Resulting Numbers: [3, 8] Generated Node #0,1,1: 24:[3, 8] Operation: 16-8=8 Moving to Node #0,1,0 Current State: 24:[3, 24], Operations: ['75-59=16', '8+16=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,24 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,24 unequal: No Solution Moving to Node #0,1,1 Current State: 24:[3, 8], Operations: ['75-59=16', '16-8=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,24 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[59, 8, 3, 75], Operations: [] Exploring Operation: 75-59=16, Resulting Numbers: [8, 3, 16] Generated Node #0,1: 24:[8, 3, 16] Operation: 75-59=16 Moving to Node #0,1 Current State: 24:[8, 3, 16], Operations: ['75-59=16'] Exploring Operation: 16-8=8, Resulting Numbers: [3, 8] Generated Node #0,1,1: 24:[3, 8] Operation: 16-8=8 Moving to Node #0,1,1 Current State: 24:[3, 8], Operations: ['75-59=16', '16-8=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 75, 47, 90, 81 ]
37
[ "75-47=28", "90-81=9", "28+9=37" ]
Current State: 37:[75, 47, 90, 81], Operations: [] Exploring Operation: 75-47=28, Resulting Numbers: [90, 81, 28] Generated Node #2: [90, 81, 28] from Operation: 75-47=28 Current State: 37:[90, 81, 28], Operations: ['75-47=28'] Exploring Operation: 90-81=9, Resulting Numbers: [28, 9] Generated Node #3: [28, 9] from Operation: 90-81=9 Current State: 37:[28, 9], Operations: ['75-47=28', '90-81=9'] Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[75, 47, 90, 81], Operations: [] Exploring Operation: 90-75=15, Resulting Numbers: [47, 81, 15] Generated Node #0,0: 37:[47, 81, 15] Operation: 90-75=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[47, 81, 15], Operations: ['90-75=15'] Exploring Operation: 81-47=34, Resulting Numbers: [15, 34] Generated Node #0,0,0: 37:[15, 34] Operation: 81-47=34 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[15, 34], Operations: ['90-75=15', '81-47=34'] Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,37 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
[ 36, 17, 3, 23 ]
52
[ "36/3=12", "17+23=40", "12+40=52" ]
Current State: 52:[36, 17, 3, 23], Operations: [] Exploring Operation: 36/3=12, Resulting Numbers: [17, 23, 12] Generated Node #2: [17, 23, 12] from Operation: 36/3=12 Current State: 52:[17, 23, 12], Operations: ['36/3=12'] Exploring Operation: 17+23=40, Resulting Numbers: [12, 40] Generated Node #3: [12, 40] from Operation: 17+23=40 Current State: 52:[12, 40], Operations: ['36/3=12', '17+23=40'] Exploring Operation: 12+40=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[36, 17, 3, 23], Operations: [] Exploring Operation: 36-23=13, Resulting Numbers: [17, 3, 13] Generated Node #0,0: 52:[17, 3, 13] Operation: 36-23=13 Exploring Operation: 36+17=53, Resulting Numbers: [3, 23, 53] Generated Node #0,1: 52:[3, 23, 53] Operation: 36+17=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[17, 3, 13], Operations: ['36-23=13'] Exploring Operation: 17-3=14, Resulting Numbers: [13, 14] Generated Node #0,0,0: 52:[13, 14] Operation: 17-3=14 Exploring Operation: 17*3=51, Resulting Numbers: [13, 51] Generated Node #0,0,1: 52:[13, 51] Operation: 17*3=51 Moving to Node #0,0,0 Current State: 52:[13, 14], Operations: ['36-23=13', '17-3=14'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[13, 51], Operations: ['36-23=13', '17*3=51'] Exploring Operation: 51-13=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 13+51=64, Resulting Numbers: [64] 64,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[3, 23, 53], Operations: ['36+17=53'] Exploring Operation: 3+23=26, Resulting Numbers: [53, 26] Generated Node #0,1,0: 52:[53, 26] Operation: 3+23=26 Exploring Operation: 53-3=50, Resulting Numbers: [23, 50] Generated Node #0,1,1: 52:[23, 50] Operation: 53-3=50 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[53, 26], Operations: ['36+17=53', '3+23=26'] Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 53+26=79, Resulting Numbers: [79] 79,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 52:[23, 50], Operations: ['36+17=53', '53-3=50'] Exploring Operation: 50-23=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 23+50=73, Resulting Numbers: [73] 73,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 81, 3, 11, 56 ]
98
[ "81-11=70", "3*56=168", "168-70=98" ]
Current State: 98:[81, 3, 11, 56], Operations: [] Exploring Operation: 81-11=70, Resulting Numbers: [3, 56, 70] Generated Node #2: [3, 56, 70] from Operation: 81-11=70 Current State: 98:[3, 56, 70], Operations: ['81-11=70'] Exploring Operation: 3*56=168, Resulting Numbers: [70, 168] Generated Node #3: [70, 168] from Operation: 3*56=168 Current State: 98:[70, 168], Operations: ['81-11=70', '3*56=168'] Exploring Operation: 168-70=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[81, 3, 11, 56], Operations: [] Exploring Operation: 81+11=92, Resulting Numbers: [3, 56, 92] Generated Node #0,0: 98:[3, 56, 92] Operation: 81+11=92 Exploring Operation: 81-56=25, Resulting Numbers: [3, 11, 25] Generated Node #0,1: 98:[3, 11, 25] Operation: 81-56=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[3, 56, 92], Operations: ['81+11=92'] Exploring Operation: 56-3=53, Resulting Numbers: [92, 53] Generated Node #0,0,0: 98:[92, 53] Operation: 56-3=53 Exploring Operation: 3+92=95, Resulting Numbers: [56, 95] Generated Node #0,0,1: 98:[56, 95] Operation: 3+92=95 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[92, 53], Operations: ['81+11=92', '56-3=53'] Exploring Operation: 92+53=145, Resulting Numbers: [145] 145,98 unequal: No Solution Exploring Operation: 92-53=39, Resulting Numbers: [39] 39,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[56, 95], Operations: ['81+11=92', '3+92=95'] Exploring Operation: 56+95=151, Resulting Numbers: [151] 151,98 unequal: No Solution Exploring Operation: 95-56=39, Resulting Numbers: [39] 39,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[3, 11, 25], Operations: ['81-56=25'] Exploring Operation: 3+11=14, Resulting Numbers: [25, 14] Generated Node #0,1,0: 98:[25, 14] Operation: 3+11=14 Exploring Operation: 25-11=14, Resulting Numbers: [3, 14] Generated Node #0,1,1: 98:[3, 14] Operation: 25-11=14 Moving to Node #0,1,1 Current State: 98:[3, 14], Operations: ['81-56=25', '25-11=14'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,98 unequal: No Solution Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[25, 14], Operations: ['81-56=25', '3+11=14'] Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,98 unequal: No Solution Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 56, 4, 4, 16 ]
59
[ "16-4=12", "12/4=3", "56+3=59" ]
Current State: 59:[56, 4, 4, 16], Operations: [] Exploring Operation: 16-4=12, Resulting Numbers: [56, 12] Generated Node #2: [56, 12] from Operation: 16-4=12 Current State: 59:[56, 12], Operations: ['16-4=12'] Exploring Operation: 12/4=3, Resulting Numbers: [56, 3] Generated Node #3: [56, 3] from Operation: 12/4=3 Current State: 59:[56, 3], Operations: ['16-4=12', '12/4=3'] Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[56, 4, 4, 16], Operations: [] Exploring Operation: 4*16=64, Resulting Numbers: [56, 4, 64] Generated Node #0,0: 59:[56, 4, 64] Operation: 4*16=64 Exploring Operation: 4*16=64, Resulting Numbers: [56, 4, 64] Generated Node #0,1: 59:[56, 4, 64] Operation: 4*16=64 Exploring Operation: 4*4=16, Resulting Numbers: [56, 16, 16] Generated Node #0,2: 59:[56, 16, 16] Operation: 4*4=16 Moving to Node #0,0 Current State: 59:[56, 4, 64], Operations: ['4*16=64'] Exploring Operation: 56+4=60, Resulting Numbers: [64, 60] Generated Node #0,0,0: 59:[64, 60] Operation: 56+4=60 Exploring Operation: 56-4=52, Resulting Numbers: [64, 52] Generated Node #0,0,1: 59:[64, 52] Operation: 56-4=52 Exploring Operation: 64-4=60, Resulting Numbers: [56, 60] Generated Node #0,0,2: 59:[56, 60] Operation: 64-4=60 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 59:[56, 60], Operations: ['4*16=64', '64-4=60'] Exploring Operation: 56+60=116, Resulting Numbers: [116] 116,59 unequal: No Solution Exploring Operation: 56*60=3360, Resulting Numbers: [3360] 3360,59 unequal: No Solution Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[64, 60], Operations: ['4*16=64', '56+4=60'] Exploring Operation: 64*60=3840, Resulting Numbers: [3840] 3840,59 unequal: No Solution Exploring Operation: 64+60=124, Resulting Numbers: [124] 124,59 unequal: No Solution Exploring Operation: 64-60=4, Resulting Numbers: [4] 4,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 59:[64, 52], Operations: ['4*16=64', '56-4=52'] Exploring Operation: 64*52=3328, Resulting Numbers: [3328] 3328,59 unequal: No Solution Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,59 unequal: No Solution Exploring Operation: 64+52=116, Resulting Numbers: [116] 116,59 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: 59:[56, 4, 64], Operations: ['4*16=64'] Exploring Operation: 56-4=52, Resulting Numbers: [64, 52] Generated Node #0,1,0: 59:[64, 52] Operation: 56-4=52 Exploring Operation: 64-4=60, Resulting Numbers: [56, 60] Generated Node #0,1,1: 59:[56, 60] Operation: 64-4=60 Exploring Operation: 56+4=60, Resulting Numbers: [64, 60] Generated Node #0,1,2: 59:[64, 60] Operation: 56+4=60 Moving to Node #0,2 Current State: 59:[56, 16, 16], Operations: ['4*4=16'] Exploring Operation: 56+16=72, Resulting Numbers: [16, 72] Generated Node #0,2,0: 59:[16, 72] Operation: 56+16=72 Exploring Operation: 56+16=72, Resulting Numbers: [16, 72] Generated Node #0,2,1: 59:[16, 72] Operation: 56+16=72 Exploring Operation: 16+16=32, Resulting Numbers: [56, 32] Generated Node #0,2,2: 59:[56, 32] Operation: 16+16=32 Moving to Node #0,1,1 Current State: 59:[56, 60], Operations: ['4*16=64', '64-4=60'] Exploring Operation: 56+60=116, Resulting Numbers: [116] 116,59 unequal: No Solution Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,59 unequal: No Solution Exploring Operation: 56*60=3360, Resulting Numbers: [3360] 3360,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[64, 60], Operations: ['4*16=64', '56+4=60'] Exploring Operation: 64*60=3840, Resulting Numbers: [3840] 3840,59 unequal: No Solution Exploring Operation: 64-60=4, Resulting Numbers: [4] 4,59 unequal: No Solution Exploring Operation: 64+60=124, Resulting Numbers: [124] 124,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[64, 52], Operations: ['4*16=64', '56-4=52'] Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,59 unequal: No Solution Exploring Operation: 64*52=3328, Resulting Numbers: [3328] 3328,59 unequal: No Solution Exploring Operation: 64+52=116, Resulting Numbers: [116] 116,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[56, 32], Operations: ['4*4=16', '16+16=32'] Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,59 unequal: No Solution Exploring Operation: 56+32=88, Resulting Numbers: [88] 88,59 unequal: No Solution Exploring Operation: 56*32=1792, Resulting Numbers: [1792] 1792,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[16, 72], Operations: ['4*4=16', '56+16=72'] Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,59 unequal: No Solution Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,59 unequal: No Solution Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[16, 72], Operations: ['4*4=16', '56+16=72'] Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,59 unequal: No Solution Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,59 unequal: No Solution Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,59 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 72, 25, 69, 38 ]
16
[ "72-25=47", "69-38=31", "47-31=16" ]
Current State: 16:[72, 25, 69, 38], Operations: [] Exploring Operation: 72-25=47, Resulting Numbers: [69, 38, 47] Generated Node #2: [69, 38, 47] from Operation: 72-25=47 Current State: 16:[69, 38, 47], Operations: ['72-25=47'] Exploring Operation: 69-38=31, Resulting Numbers: [47, 31] Generated Node #3: [47, 31] from Operation: 69-38=31 Current State: 16:[47, 31], Operations: ['72-25=47', '69-38=31'] Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[72, 25, 69, 38], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [25, 38, 3] Generated Node #0,0: 16:[25, 38, 3] Operation: 72-69=3 Moving to Node #0,0 Current State: 16:[25, 38, 3], Operations: ['72-69=3'] Exploring Operation: 38-25=13, Resulting Numbers: [3, 13] Generated Node #0,0,0: 16:[3, 13] Operation: 38-25=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[3, 13], Operations: ['72-69=3', '38-25=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[72, 25, 69, 38], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [25, 38, 3] Generated Node #0,0: 16:[25, 38, 3] Operation: 72-69=3 Moving to Node #0,0 Current State: 16:[25, 38, 3], Operations: ['72-69=3'] Exploring Operation: 38-25=13, Resulting Numbers: [3, 13] Generated Node #0,0,0: 16:[3, 13] Operation: 38-25=13 Moving to Node #0,0,0 Current State: 16:[3, 13], Operations: ['72-69=3', '38-25=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 94, 12, 61, 19 ]
73
[ "94+61=155", "12*19=228", "228-155=73" ]
Current State: 73:[94, 12, 61, 19], Operations: [] Exploring Operation: 94+61=155, Resulting Numbers: [12, 19, 155] Generated Node #2: [12, 19, 155] from Operation: 94+61=155 Current State: 73:[12, 19, 155], Operations: ['94+61=155'] Exploring Operation: 12*19=228, Resulting Numbers: [155, 228] Generated Node #3: [155, 228] from Operation: 12*19=228 Current State: 73:[155, 228], Operations: ['94+61=155', '12*19=228'] Exploring Operation: 228-155=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[94, 12, 61, 19], Operations: [] Exploring Operation: 94-12=82, Resulting Numbers: [61, 19, 82] Generated Node #0,0: 73:[61, 19, 82] Operation: 94-12=82 Exploring Operation: 12+61=73, Resulting Numbers: [94, 19, 73] Generated Node #0,1: 73:[94, 19, 73] Operation: 12+61=73 Exploring Operation: 12+19=31, Resulting Numbers: [94, 61, 31] Generated Node #0,2: 73:[94, 61, 31] Operation: 12+19=31 Exploring Operation: 94-19=75, Resulting Numbers: [12, 61, 75] Generated Node #0,3: 73:[12, 61, 75] Operation: 94-19=75 Moving to Node #0,0 Current State: 73:[61, 19, 82], Operations: ['94-12=82'] Exploring Operation: 19+82=101, Resulting Numbers: [61, 101] Generated Node #0,0,0: 73:[61, 101] Operation: 19+82=101 Exploring Operation: 61-19=42, Resulting Numbers: [82, 42] Generated Node #0,0,1: 73:[82, 42] Operation: 61-19=42 Exploring Operation: 82-19=63, Resulting Numbers: [61, 63] Generated Node #0,0,2: 73:[61, 63] Operation: 82-19=63 Exploring Operation: 61+19=80, Resulting Numbers: [82, 80] Generated Node #0,0,3: 73:[82, 80] Operation: 61+19=80 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 73:[82, 80], Operations: ['94-12=82', '61+19=80'] Exploring Operation: 82-80=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 82+80=162, Resulting Numbers: [162] 162,73 unequal: No Solution Exploring Operation: 82*80=6560, Resulting Numbers: [6560] 6560,73 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:[61, 63], Operations: ['94-12=82', '82-19=63'] Exploring Operation: 61+63=124, Resulting Numbers: [124] 124,73 unequal: No Solution Exploring Operation: 61*63=3843, Resulting Numbers: [3843] 3843,73 unequal: No Solution Exploring Operation: 63-61=2, Resulting Numbers: [2] 2,73 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, 101], Operations: ['94-12=82', '19+82=101'] Exploring Operation: 61*101=6161, Resulting Numbers: [6161] 6161,73 unequal: No Solution Exploring Operation: 101-61=40, Resulting Numbers: [40] 40,73 unequal: No Solution Exploring Operation: 61+101=162, Resulting Numbers: [162] 162,73 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 #0,0,1 Current State: 73:[82, 42], Operations: ['94-12=82', '61-19=42'] Exploring Operation: 82-42=40, Resulting Numbers: [40] 40,73 unequal: No Solution Exploring Operation: 82*42=3444, Resulting Numbers: [3444] 3444,73 unequal: No Solution Exploring Operation: 82+42=124, Resulting Numbers: [124] 124,73 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: 73:[94, 61, 31], Operations: ['12+19=31'] Exploring Operation: 94+31=125, Resulting Numbers: [61, 125] Generated Node #0,2,0: 73:[61, 125] Operation: 94+31=125 Exploring Operation: 61-31=30, Resulting Numbers: [94, 30] Generated Node #0,2,1: 73:[94, 30] Operation: 61-31=30 Exploring Operation: 61+31=92, Resulting Numbers: [94, 92] Generated Node #0,2,2: 73:[94, 92] Operation: 61+31=92 Exploring Operation: 94-31=63, Resulting Numbers: [61, 63] Generated Node #0,2,3: 73:[61, 63] Operation: 94-31=63 Moving to Node #0,1 Current State: 73:[94, 19, 73], Operations: ['12+61=73'] Exploring Operation: 19+73=92, Resulting Numbers: [94, 92] Generated Node #0,1,0: 73:[94, 92] Operation: 19+73=92 Exploring Operation: 94-19=75, Resulting Numbers: [73, 75] Generated Node #0,1,1: 73:[73, 75] Operation: 94-19=75 Exploring Operation: 73-19=54, Resulting Numbers: [94, 54] Generated Node #0,1,2: 73:[94, 54] Operation: 73-19=54 Exploring Operation: 94+19=113, Resulting Numbers: [73, 113] Generated Node #0,1,3: 73:[73, 113] Operation: 94+19=113 Moving to Node #0,3 Current State: 73:[12, 61, 75], Operations: ['94-19=75'] Exploring Operation: 12+75=87, Resulting Numbers: [61, 87] Generated Node #0,3,0: 73:[61, 87] Operation: 12+75=87 Exploring Operation: 61-12=49, Resulting Numbers: [75, 49] Generated Node #0,3,1: 73:[75, 49] Operation: 61-12=49 Exploring Operation: 75-12=63, Resulting Numbers: [61, 63] Generated Node #0,3,2: 73:[61, 63] Operation: 75-12=63 Exploring Operation: 12+61=73, Resulting Numbers: [75, 73] Generated Node #0,3,3: 73:[75, 73] Operation: 12+61=73 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 73:[75, 73], Operations: ['94-19=75', '12+61=73'] Exploring Operation: 75*73=5475, Resulting Numbers: [5475] 5475,73 unequal: No Solution Exploring Operation: 75+73=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 75-73=2, Resulting Numbers: [2] 2,73 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 #0,3,2 Current State: 73:[61, 63], Operations: ['94-19=75', '75-12=63'] Exploring Operation: 61+63=124, Resulting Numbers: [124] 124,73 unequal: No Solution Exploring Operation: 63-61=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 61*63=3843, Resulting Numbers: [3843] 3843,73 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 #0,3,0 Current State: 73:[61, 87], Operations: ['94-19=75', '12+75=87'] Exploring Operation: 87-61=26, Resulting Numbers: [26] 26,73 unequal: No Solution Exploring Operation: 61*87=5307, Resulting Numbers: [5307] 5307,73 unequal: No Solution Exploring Operation: 61+87=148, Resulting Numbers: [148] 148,73 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 #0,3,1 Current State: 73:[75, 49], Operations: ['94-19=75', '61-12=49'] Exploring Operation: 75*49=3675, Resulting Numbers: [3675] 3675,73 unequal: No Solution Exploring Operation: 75+49=124, Resulting Numbers: [124] 124,73 unequal: No Solution Exploring Operation: 75-49=26, Resulting Numbers: [26] 26,73 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:[73, 75], Operations: ['12+61=73', '94-19=75'] Exploring Operation: 73*75=5475, Resulting Numbers: [5475] 5475,73 unequal: No Solution Exploring Operation: 75-73=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 73+75=148, Resulting Numbers: [148] 148,73 unequal: No Solution Moving to Node #0,2,3 Current State: 73:[61, 63], Operations: ['12+19=31', '94-31=63'] Exploring Operation: 63-61=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 61+63=124, Resulting Numbers: [124] 124,73 unequal: No Solution Exploring Operation: 61*63=3843, Resulting Numbers: [3843] 3843,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[94, 92], Operations: ['12+61=73', '19+73=92'] Exploring Operation: 94*92=8648, Resulting Numbers: [8648] 8648,73 unequal: No Solution Exploring Operation: 94-92=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 94+92=186, Resulting Numbers: [186] 186,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[94, 54], Operations: ['12+61=73', '73-19=54'] Exploring Operation: 94+54=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 94*54=5076, Resulting Numbers: [5076] 5076,73 unequal: No Solution Exploring Operation: 94-54=40, Resulting Numbers: [40] 40,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[94, 92], Operations: ['12+19=31', '61+31=92'] Exploring Operation: 94-92=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 94*92=8648, Resulting Numbers: [8648] 8648,73 unequal: No Solution Exploring Operation: 94+92=186, Resulting Numbers: [186] 186,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[73, 113], Operations: ['12+61=73', '94+19=113'] Exploring Operation: 113-73=40, Resulting Numbers: [40] 40,73 unequal: No Solution Exploring Operation: 73*113=8249, Resulting Numbers: [8249] 8249,73 unequal: No Solution Exploring Operation: 73+113=186, Resulting Numbers: [186] 186,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[94, 30], Operations: ['12+19=31', '61-31=30'] Exploring Operation: 94+30=124, Resulting Numbers: [124] 124,73 unequal: No Solution Exploring Operation: 94*30=2820, Resulting Numbers: [2820] 2820,73 unequal: No Solution Exploring Operation: 94-30=64, Resulting Numbers: [64] 64,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[61, 125], Operations: ['12+19=31', '94+31=125'] Exploring Operation: 125-61=64, Resulting Numbers: [64] 64,73 unequal: No Solution Exploring Operation: 61+125=186, Resulting Numbers: [186] 186,73 unequal: No Solution Exploring Operation: 61*125=7625, Resulting Numbers: [7625] 7625,73 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 4, 25, 55, 16 ]
34
[ "4*16=64", "55-25=30", "64-30=34" ]
Current State: 34:[4, 25, 55, 16], Operations: [] Exploring Operation: 4*16=64, Resulting Numbers: [25, 55, 64] Generated Node #2: [25, 55, 64] from Operation: 4*16=64 Current State: 34:[25, 55, 64], Operations: ['4*16=64'] Exploring Operation: 55-25=30, Resulting Numbers: [64, 30] Generated Node #3: [64, 30] from Operation: 55-25=30 Current State: 34:[64, 30], Operations: ['4*16=64', '55-25=30'] Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[4, 25, 55, 16], Operations: [] Exploring Operation: 55-16=39, Resulting Numbers: [4, 25, 39] Generated Node #0,0: 34:[4, 25, 39] Operation: 55-16=39 Exploring Operation: 25-4=21, Resulting Numbers: [55, 16, 21] Generated Node #0,1: 34:[55, 16, 21] Operation: 25-4=21 Exploring Operation: 55-25=30, Resulting Numbers: [4, 16, 30] Generated Node #0,2: 34:[4, 16, 30] Operation: 55-25=30 Moving to Node #0,2 Current State: 34:[4, 16, 30], Operations: ['55-25=30'] Exploring Operation: 16/4=4, Resulting Numbers: [30, 4] Generated Node #0,2,0: 34:[30, 4] Operation: 16/4=4 Exploring Operation: 30-16=14, Resulting Numbers: [4, 14] Generated Node #0,2,1: 34:[4, 14] Operation: 30-16=14 Exploring Operation: 4+30=34, Resulting Numbers: [16, 34] Generated Node #0,2,2: 34:[16, 34] Operation: 4+30=34 Moving to Node #0,0 Current State: 34:[4, 25, 39], Operations: ['55-16=39'] Exploring Operation: 25-4=21, Resulting Numbers: [39, 21] Generated Node #0,0,0: 34:[39, 21] Operation: 25-4=21 Exploring Operation: 39-25=14, Resulting Numbers: [4, 14] Generated Node #0,0,1: 34:[4, 14] Operation: 39-25=14 Exploring Operation: 39-4=35, Resulting Numbers: [25, 35] Generated Node #0,0,2: 34:[25, 35] Operation: 39-4=35 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 34:[4, 14], Operations: ['55-16=39', '39-25=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[39, 21], Operations: ['55-16=39', '25-4=21'] Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 39*21=819, Resulting Numbers: [819] 819,34 unequal: No Solution Exploring Operation: 39+21=60, Resulting Numbers: [60] 60,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 34:[25, 35], Operations: ['55-16=39', '39-4=35'] Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 25+35=60, Resulting Numbers: [60] 60,34 unequal: No Solution Exploring Operation: 25*35=875, Resulting Numbers: [875] 875,34 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: 34:[55, 16, 21], Operations: ['25-4=21'] Exploring Operation: 55-21=34, Resulting Numbers: [16, 34] Generated Node #0,1,0: 34:[16, 34] Operation: 55-21=34 Exploring Operation: 16+21=37, Resulting Numbers: [55, 37] Generated Node #0,1,1: 34:[55, 37] Operation: 16+21=37 Exploring Operation: 55-16=39, Resulting Numbers: [21, 39] Generated Node #0,1,2: 34:[21, 39] Operation: 55-16=39 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[16, 34], Operations: ['25-4=21', '55-21=34'] Exploring Operation: 16+34=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 16*34=544, Resulting Numbers: [544] 544,34 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[21, 39], Operations: ['25-4=21', '55-16=39'] Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 21*39=819, Resulting Numbers: [819] 819,34 unequal: No Solution Exploring Operation: 21+39=60, Resulting Numbers: [60] 60,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[55, 37], Operations: ['25-4=21', '16+21=37'] Exploring Operation: 55*37=2035, Resulting Numbers: [2035] 2035,34 unequal: No Solution Exploring Operation: 55-37=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 55+37=92, Resulting Numbers: [92] 92,34 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: 34:[16, 34], Operations: ['55-25=30', '4+30=34'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 16*34=544, Resulting Numbers: [544] 544,34 unequal: No Solution Exploring Operation: 16+34=50, Resulting Numbers: [50] 50,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[4, 14], Operations: ['55-25=30', '30-16=14'] Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,34 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[30, 4], Operations: ['55-25=30', '16/4=4'] Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[4, 25, 55, 16], Operations: [] Exploring Operation: 55-25=30, Resulting Numbers: [4, 16, 30] Generated Node #0,2: 34:[4, 16, 30] Operation: 55-25=30 Moving to Node #0,2 Current State: 34:[4, 16, 30], Operations: ['55-25=30'] Exploring Operation: 16/4=4, Resulting Numbers: [30, 4] Generated Node #0,2,0: 34:[30, 4] Operation: 16/4=4 Moving to Node #0,2,0 Current State: 34:[30, 4], Operations: ['55-25=30', '16/4=4'] Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.96441
hs_3
mult_heuristic
[ 16, 74, 65, 73 ]
82
[ "16+74=90", "73-65=8", "90-8=82" ]
Current State: 82:[16, 74, 65, 73], Operations: [] Exploring Operation: 16+74=90, Resulting Numbers: [65, 73, 90] Generated Node #2: [65, 73, 90] from Operation: 16+74=90 Current State: 82:[65, 73, 90], Operations: ['16+74=90'] Exploring Operation: 73-65=8, Resulting Numbers: [90, 8] Generated Node #3: [90, 8] from Operation: 73-65=8 Current State: 82:[90, 8], Operations: ['16+74=90', '73-65=8'] Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[16, 74, 65, 73], Operations: [] Exploring Operation: 65-16=49, Resulting Numbers: [74, 73, 49] Generated Node #0,0: 82:[74, 73, 49] Operation: 65-16=49 Exploring Operation: 16+65=81, Resulting Numbers: [74, 73, 81] Generated Node #0,1: 82:[74, 73, 81] Operation: 16+65=81 Moving to Node #0,1 Current State: 82:[74, 73, 81], Operations: ['16+65=81'] Exploring Operation: 74-73=1, Resulting Numbers: [81, 1] Generated Node #0,1,0: 82:[81, 1] Operation: 74-73=1 Exploring Operation: 81-74=7, Resulting Numbers: [73, 7] Generated Node #0,1,1: 82:[73, 7] Operation: 81-74=7 Moving to Node #0,0 Current State: 82:[74, 73, 49], Operations: ['65-16=49'] Exploring Operation: 74-73=1, Resulting Numbers: [49, 1] Generated Node #0,0,0: 82:[49, 1] Operation: 74-73=1 Exploring Operation: 74-49=25, Resulting Numbers: [73, 25] Generated Node #0,0,1: 82:[73, 25] Operation: 74-49=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[49, 1], Operations: ['65-16=49', '74-73=1'] Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,82 unequal: No Solution Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 82:[73, 25], Operations: ['65-16=49', '74-49=25'] Exploring Operation: 73-25=48, Resulting Numbers: [48] 48,82 unequal: No Solution Exploring Operation: 73+25=98, Resulting Numbers: [98] 98,82 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: 82:[81, 1], Operations: ['16+65=81', '74-73=1'] Exploring Operation: 81+1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[16, 74, 65, 73], Operations: [] Exploring Operation: 16+65=81, Resulting Numbers: [74, 73, 81] Generated Node #0,1: 82:[74, 73, 81] Operation: 16+65=81 Moving to Node #0,1 Current State: 82:[74, 73, 81], Operations: ['16+65=81'] Exploring Operation: 74-73=1, Resulting Numbers: [81, 1] Generated Node #0,1,0: 82:[81, 1] Operation: 74-73=1 Moving to Node #0,1,0 Current State: 82:[81, 1], Operations: ['16+65=81', '74-73=1'] Exploring Operation: 81+1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.986979
hs_2
sum_heuristic