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, 1, 37, 67 ]
72
[ "41+1=42", "67-37=30", "42+30=72" ]
Current State: 72:[41, 1, 37, 67], Operations: [] Exploring Operation: 41+1=42, Resulting Numbers: [37, 67, 42] Generated Node #2: [37, 67, 42] from Operation: 41+1=42 Current State: 72:[37, 67, 42], Operations: ['41+1=42'] Exploring Operation: 67-37=30, Resulting Numbers: [42, 30] Generated Node #3: [42, 30] from Operation: 67-37=30 Current State: 72:[42, 30], Operations: ['41+1=42', '67-37=30'] Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[41, 1, 37, 67], Operations: [] Exploring Operation: 67-41=26, Resulting Numbers: [1, 37, 26] Generated Node #0,0: 72:[1, 37, 26] Operation: 67-41=26 Moving to Node #0,0 Current State: 72:[1, 37, 26], Operations: ['67-41=26'] Exploring Operation: 37-1=36, Resulting Numbers: [26, 36] Generated Node #0,0,0: 72:[26, 36] Operation: 37-1=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[26, 36], Operations: ['67-41=26', '37-1=36'] Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,72 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
[ 46, 5, 47, 45 ]
42
[ "46-45=1", "47-5=42", "1*42=42" ]
Current State: 42:[46, 5, 47, 45], Operations: [] Exploring Operation: 46-45=1, Resulting Numbers: [5, 47, 1] Generated Node #2: [5, 47, 1] from Operation: 46-45=1 Current State: 42:[5, 47, 1], Operations: ['46-45=1'] Exploring Operation: 47-5=42, Resulting Numbers: [1, 42] Generated Node #3: [1, 42] from Operation: 47-5=42 Current State: 42:[1, 42], Operations: ['46-45=1', '47-5=42'] Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[46, 5, 47, 45], Operations: [] Exploring Operation: 47-46=1, Resulting Numbers: [5, 45, 1] Generated Node #0,0: 42:[5, 45, 1] Operation: 47-46=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[5, 45, 1], Operations: ['47-46=1'] Exploring Operation: 45-5=40, Resulting Numbers: [1, 40] Generated Node #0,0,0: 42:[1, 40] Operation: 45-5=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[1, 40], Operations: ['47-46=1', '45-5=40'] Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,42 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
[ 88, 4, 69, 58 ]
35
[ "88+4=92", "69+58=127", "127-92=35" ]
Current State: 35:[88, 4, 69, 58], Operations: [] Exploring Operation: 88+4=92, Resulting Numbers: [69, 58, 92] Generated Node #2: [69, 58, 92] from Operation: 88+4=92 Current State: 35:[69, 58, 92], Operations: ['88+4=92'] Exploring Operation: 69+58=127, Resulting Numbers: [92, 127] Generated Node #3: [92, 127] from Operation: 69+58=127 Current State: 35:[92, 127], Operations: ['88+4=92', '69+58=127'] Exploring Operation: 127-92=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[88, 4, 69, 58], Operations: [] Exploring Operation: 88-69=19, Resulting Numbers: [4, 58, 19] Generated Node #0,0: 35:[4, 58, 19] Operation: 88-69=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[4, 58, 19], Operations: ['88-69=19'] Exploring Operation: 58-19=39, Resulting Numbers: [4, 39] Generated Node #0,0,0: 35:[4, 39] Operation: 58-19=39 Moving to Node #0,0,0 Current State: 35:[4, 39], Operations: ['88-69=19', '58-19=39'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[88, 4, 69, 58], Operations: [] Exploring Operation: 88-69=19, Resulting Numbers: [4, 58, 19] Generated Node #0,0: 35:[4, 58, 19] Operation: 88-69=19 Moving to Node #0,0 Current State: 35:[4, 58, 19], Operations: ['88-69=19'] Exploring Operation: 58-19=39, Resulting Numbers: [4, 39] Generated Node #0,0,0: 35:[4, 39] Operation: 58-19=39 Moving to Node #0,0,0 Current State: 35:[4, 39], Operations: ['88-69=19', '58-19=39'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 72, 24, 18, 20 ]
87
[ "18*20=360", "360/24=15", "72+15=87" ]
Current State: 87:[72, 24, 18, 20], Operations: [] Exploring Operation: 18*20=360, Resulting Numbers: [72, 24, 360] Generated Node #2: [72, 24, 360] from Operation: 18*20=360 Current State: 87:[72, 24, 360], Operations: ['18*20=360'] Exploring Operation: 360/24=15, Resulting Numbers: [72, 15] Generated Node #3: [72, 15] from Operation: 360/24=15 Current State: 87:[72, 15], Operations: ['18*20=360', '360/24=15'] Exploring Operation: 72+15=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[72, 24, 18, 20], Operations: [] Exploring Operation: 20-18=2, Resulting Numbers: [72, 24, 2] Generated Node #0,0: 87:[72, 24, 2] Operation: 20-18=2 Exploring Operation: 72/18=4, Resulting Numbers: [24, 20, 4] Generated Node #0,1: 87:[24, 20, 4] Operation: 72/18=4 Exploring Operation: 72/24=3, Resulting Numbers: [18, 20, 3] Generated Node #0,2: 87:[18, 20, 3] Operation: 72/24=3 Exploring Operation: 72+18=90, Resulting Numbers: [24, 20, 90] Generated Node #0,3: 87:[24, 20, 90] Operation: 72+18=90 Exploring Operation: 72+20=92, Resulting Numbers: [24, 18, 92] Generated Node #0,4: 87:[24, 18, 92] Operation: 72+20=92 Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[24, 20, 4], Operations: ['72/18=4'] Exploring Operation: 24-20=4, Resulting Numbers: [4, 4] Generated Node #0,1,0: 87:[4, 4] Operation: 24-20=4 Exploring Operation: 20+4=24, Resulting Numbers: [24, 24] Generated Node #0,1,1: 87:[24, 24] Operation: 20+4=24 Exploring Operation: 20/4=5, Resulting Numbers: [24, 5] Generated Node #0,1,2: 87:[24, 5] Operation: 20/4=5 Exploring Operation: 24/4=6, Resulting Numbers: [20, 6] Generated Node #0,1,3: 87:[20, 6] Operation: 24/4=6 Exploring Operation: 24+4=28, Resulting Numbers: [20, 28] Generated Node #0,1,4: 87:[20, 28] Operation: 24+4=28 Moving to Node #0,1,0 Current State: 87:[4, 4], Operations: ['72/18=4', '24-20=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,87 unequal: No Solution Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,87 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,87 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,87 unequal: No Solution Moving to Node #0,1,2 Current State: 87:[24, 5], Operations: ['72/18=4', '20/4=5'] Exploring Operation: 24*5=120, Resulting Numbers: [120] 120,87 unequal: No Solution Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[24, 24], Operations: ['72/18=4', '20+4=24'] Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,87 unequal: No Solution Exploring Operation: 24*24=576, Resulting Numbers: [576] 576,87 unequal: No Solution Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,87 unequal: No Solution Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,87 unequal: No Solution Moving to Node #0,1,4 Current State: 87:[20, 28], Operations: ['72/18=4', '24+4=28'] Exploring Operation: 20*28=560, Resulting Numbers: [560] 560,87 unequal: No Solution Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 20+28=48, Resulting Numbers: [48] 48,87 unequal: No Solution Moving to Node #0,1,3 Current State: 87:[20, 6], Operations: ['72/18=4', '24/4=6'] Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,87 unequal: No Solution Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,87 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 87:[24, 20, 90], Operations: ['72+18=90'] Exploring Operation: 90-24=66, Resulting Numbers: [20, 66] Generated Node #0,3,0: 87:[20, 66] Operation: 90-24=66 Exploring Operation: 90-20=70, Resulting Numbers: [24, 70] Generated Node #0,3,1: 87:[24, 70] Operation: 90-20=70 Exploring Operation: 24+20=44, Resulting Numbers: [90, 44] Generated Node #0,3,2: 87:[90, 44] Operation: 24+20=44 Exploring Operation: 20+90=110, Resulting Numbers: [24, 110] Generated Node #0,3,3: 87:[24, 110] Operation: 20+90=110 Exploring Operation: 24-20=4, Resulting Numbers: [90, 4] Generated Node #0,3,4: 87:[90, 4] Operation: 24-20=4 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 87:[90, 4], Operations: ['72+18=90', '24-20=4'] Exploring Operation: 90*4=360, Resulting Numbers: [360] 360,87 unequal: No Solution Exploring Operation: 90+4=94, Resulting Numbers: [94] 94,87 unequal: No Solution Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,87 unequal: No Solution No 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: 87:[90, 44], Operations: ['72+18=90', '24+20=44'] Exploring Operation: 90*44=3960, Resulting Numbers: [3960] 3960,87 unequal: No Solution Exploring Operation: 90+44=134, Resulting Numbers: [134] 134,87 unequal: No Solution Exploring Operation: 90-44=46, Resulting Numbers: [46] 46,87 unequal: No Solution No 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: 87:[24, 70], Operations: ['72+18=90', '90-20=70'] Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,87 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,87 unequal: No Solution Exploring Operation: 24*70=1680, Resulting Numbers: [1680] 1680,87 unequal: No Solution No 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: 87:[24, 110], Operations: ['72+18=90', '20+90=110'] Exploring Operation: 110-24=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 24*110=2640, Resulting Numbers: [2640] 2640,87 unequal: No Solution Exploring Operation: 24+110=134, Resulting Numbers: [134] 134,87 unequal: No Solution No 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: 87:[20, 66], Operations: ['72+18=90', '90-24=66'] Exploring Operation: 20+66=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,87 unequal: No Solution Exploring Operation: 20*66=1320, Resulting Numbers: [1320] 1320,87 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: 87:[18, 20, 3], Operations: ['72/24=3'] Exploring Operation: 20+3=23, Resulting Numbers: [18, 23] Generated Node #0,2,0: 87:[18, 23] Operation: 20+3=23 Exploring Operation: 18+3=21, Resulting Numbers: [20, 21] Generated Node #0,2,1: 87:[20, 21] Operation: 18+3=21 Exploring Operation: 20-18=2, Resulting Numbers: [3, 2] Generated Node #0,2,2: 87:[3, 2] Operation: 20-18=2 Exploring Operation: 18+20=38, Resulting Numbers: [3, 38] Generated Node #0,2,3: 87:[3, 38] Operation: 18+20=38 Exploring Operation: 18/3=6, Resulting Numbers: [20, 6] Generated Node #0,2,4: 87:[20, 6] Operation: 18/3=6 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 87:[3, 2], Operations: ['72/24=3', '20-18=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,87 unequal: No Solution No 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: 87:[3, 38], Operations: ['72/24=3', '18+20=38'] Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,87 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,87 unequal: No Solution Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,87 unequal: No Solution No 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: 87:[20, 6], Operations: ['72/24=3', '18/3=6'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,87 unequal: No Solution Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,87 unequal: No Solution No 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: 87:[18, 23], Operations: ['72/24=3', '20+3=23'] Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,87 unequal: No Solution Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,87 unequal: No Solution No 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: 87:[20, 21], Operations: ['72/24=3', '18+3=21'] Exploring Operation: 20+21=41, Resulting Numbers: [41] 41,87 unequal: No Solution Exploring Operation: 20*21=420, Resulting Numbers: [420] 420,87 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,87 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: 87:[72, 24, 2], Operations: ['20-18=2'] Exploring Operation: 72+24=96, Resulting Numbers: [2, 96] Generated Node #0,0,0: 87:[2, 96] Operation: 72+24=96 Exploring Operation: 24+2=26, Resulting Numbers: [72, 26] Generated Node #0,0,1: 87:[72, 26] Operation: 24+2=26 Exploring Operation: 72+2=74, Resulting Numbers: [24, 74] Generated Node #0,0,2: 87:[24, 74] Operation: 72+2=74 Exploring Operation: 72/2=36, Resulting Numbers: [24, 36] Generated Node #0,0,3: 87:[24, 36] Operation: 72/2=36 Exploring Operation: 72/24=3, Resulting Numbers: [2, 3] Generated Node #0,0,4: 87:[2, 3] Operation: 72/24=3 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 87:[2, 3], Operations: ['20-18=2', '72/24=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,87 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,87 unequal: No Solution No 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: 87:[2, 96], Operations: ['20-18=2', '72+24=96'] Exploring Operation: 96/2=48, Resulting Numbers: [48] 48,87 unequal: No Solution Exploring Operation: 2*96=192, Resulting Numbers: [192] 192,87 unequal: No Solution Exploring Operation: 2+96=98, Resulting Numbers: [98] 98,87 unequal: No Solution Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,87 unequal: No Solution No 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: 87:[24, 36], Operations: ['20-18=2', '72/2=36'] Exploring Operation: 24*36=864, Resulting Numbers: [864] 864,87 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,87 unequal: No Solution Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,87 unequal: No Solution No 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: 87:[72, 26], Operations: ['20-18=2', '24+2=26'] Exploring Operation: 72*26=1872, Resulting Numbers: [1872] 1872,87 unequal: No Solution Exploring Operation: 72-26=46, Resulting Numbers: [46] 46,87 unequal: No Solution Exploring Operation: 72+26=98, Resulting Numbers: [98] 98,87 unequal: No Solution No 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: 87:[24, 74], Operations: ['20-18=2', '72+2=74'] Exploring Operation: 74-24=50, Resulting Numbers: [50] 50,87 unequal: No Solution Exploring Operation: 24+74=98, Resulting Numbers: [98] 98,87 unequal: No Solution Exploring Operation: 24*74=1776, Resulting Numbers: [1776] 1776,87 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: 87:[24, 18, 92], Operations: ['72+20=92'] Exploring Operation: 92-24=68, Resulting Numbers: [18, 68] Generated Node #0,4,0: 87:[18, 68] Operation: 92-24=68 Exploring Operation: 24-18=6, Resulting Numbers: [92, 6] Generated Node #0,4,1: 87:[92, 6] Operation: 24-18=6 Exploring Operation: 18+92=110, Resulting Numbers: [24, 110] Generated Node #0,4,2: 87:[24, 110] Operation: 18+92=110 Exploring Operation: 24+18=42, Resulting Numbers: [92, 42] Generated Node #0,4,3: 87:[92, 42] Operation: 24+18=42 Exploring Operation: 92-18=74, Resulting Numbers: [24, 74] Generated Node #0,4,4: 87:[24, 74] Operation: 92-18=74 Moving to Node #0,4,1 Current State: 87:[92, 6], Operations: ['72+20=92', '24-18=6'] Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,87 unequal: No Solution Exploring Operation: 92*6=552, Resulting Numbers: [552] 552,87 unequal: No Solution Moving to Node #0,4,4 Current State: 87:[24, 74], Operations: ['72+20=92', '92-18=74'] Exploring Operation: 24*74=1776, Resulting Numbers: [1776] 1776,87 unequal: No Solution Exploring Operation: 74-24=50, Resulting Numbers: [50] 50,87 unequal: No Solution Exploring Operation: 24+74=98, Resulting Numbers: [98] 98,87 unequal: No Solution Moving to Node #0,4,3 Current State: 87:[92, 42], Operations: ['72+20=92', '24+18=42'] Exploring Operation: 92+42=134, Resulting Numbers: [134] 134,87 unequal: No Solution Exploring Operation: 92-42=50, Resulting Numbers: [50] 50,87 unequal: No Solution Exploring Operation: 92*42=3864, Resulting Numbers: [3864] 3864,87 unequal: No Solution Moving to Node #0,4,2 Current State: 87:[24, 110], Operations: ['72+20=92', '18+92=110'] Exploring Operation: 110-24=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 24+110=134, Resulting Numbers: [134] 134,87 unequal: No Solution Exploring Operation: 24*110=2640, Resulting Numbers: [2640] 2640,87 unequal: No Solution Moving to Node #0,4,0 Current State: 87:[18, 68], Operations: ['72+20=92', '92-24=68'] Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,87 unequal: No Solution Exploring Operation: 18+68=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 18*68=1224, Resulting Numbers: [1224] 1224,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 51, 90, 39, 96 ]
98
[ "51-39=12", "96/12=8", "90+8=98" ]
Current State: 98:[51, 90, 39, 96], Operations: [] Exploring Operation: 51-39=12, Resulting Numbers: [90, 96, 12] Generated Node #2: [90, 96, 12] from Operation: 51-39=12 Current State: 98:[90, 96, 12], Operations: ['51-39=12'] Exploring Operation: 96/12=8, Resulting Numbers: [90, 8] Generated Node #3: [90, 8] from Operation: 96/12=8 Current State: 98:[90, 8], Operations: ['51-39=12', '96/12=8'] Exploring Operation: 90+8=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[51, 90, 39, 96], Operations: [] Exploring Operation: 90-39=51, Resulting Numbers: [51, 96, 51] Generated Node #0,0: 98:[51, 96, 51] Operation: 90-39=51 Exploring Operation: 51-39=12, Resulting Numbers: [90, 96, 12] Generated Node #0,1: 98:[90, 96, 12] Operation: 51-39=12 Moving to Node #0,0 Current State: 98:[51, 96, 51], Operations: ['90-39=51'] Exploring Operation: 51-51=0, Resulting Numbers: [96, 0] Generated Node #0,0,0: 98:[96, 0] Operation: 51-51=0 Exploring Operation: 51/51=1, Resulting Numbers: [96, 1] Generated Node #0,0,1: 98:[96, 1] Operation: 51/51=1 Moving to Node #0,1 Current State: 98:[90, 96, 12], Operations: ['51-39=12'] Exploring Operation: 96-90=6, Resulting Numbers: [12, 6] Generated Node #0,1,0: 98:[12, 6] Operation: 96-90=6 Exploring Operation: 90+12=102, Resulting Numbers: [96, 102] Generated Node #0,1,1: 98:[96, 102] Operation: 90+12=102 Moving to Node #0,0,1 Current State: 98:[96, 1], Operations: ['90-39=51', '51/51=1'] Exploring Operation: 96+1=97, Resulting Numbers: [97] 97,98 unequal: No Solution Exploring Operation: 96*1=96, Resulting Numbers: [96] 96,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[12, 6], Operations: ['51-39=12', '96-90=6'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[96, 0], Operations: ['90-39=51', '51-51=0'] Exploring Operation: 96*0=0, Resulting Numbers: [0] 0,98 unequal: No Solution Exploring Operation: 96+0=96, Resulting Numbers: [96] 96,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[96, 102], Operations: ['51-39=12', '90+12=102'] Exploring Operation: 96+102=198, Resulting Numbers: [198] 198,98 unequal: No Solution Exploring Operation: 102-96=6, Resulting Numbers: [6] 6,98 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 40, 59, 67, 6 ]
11
[ "67-59=8", "40/8=5", "6+5=11" ]
Current State: 11:[40, 59, 67, 6], Operations: [] Exploring Operation: 67-59=8, Resulting Numbers: [40, 6, 8] Generated Node #2: [40, 6, 8] from Operation: 67-59=8 Current State: 11:[40, 6, 8], Operations: ['67-59=8'] Exploring Operation: 40/8=5, Resulting Numbers: [6, 5] Generated Node #3: [6, 5] from Operation: 40/8=5 Current State: 11:[6, 5], Operations: ['67-59=8', '40/8=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[40, 59, 67, 6], Operations: [] Exploring Operation: 67-59=8, Resulting Numbers: [40, 6, 8] Generated Node #0,0: 11:[40, 6, 8] Operation: 67-59=8 Moving to Node #0,0 Current State: 11:[40, 6, 8], Operations: ['67-59=8'] Exploring Operation: 40/8=5, Resulting Numbers: [6, 5] Generated Node #0,0,0: 11:[6, 5] Operation: 40/8=5 Moving to Node #0,0,0 Current State: 11:[6, 5], Operations: ['67-59=8', '40/8=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[40, 59, 67, 6], Operations: [] Exploring Operation: 67-59=8, Resulting Numbers: [40, 6, 8] Generated Node #0,0: 11:[40, 6, 8] Operation: 67-59=8 Moving to Node #0,0 Current State: 11:[40, 6, 8], Operations: ['67-59=8'] Exploring Operation: 40/8=5, Resulting Numbers: [6, 5] Generated Node #0,0,0: 11:[6, 5] Operation: 40/8=5 Moving to Node #0,0,0 Current State: 11:[6, 5], Operations: ['67-59=8', '40/8=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 54, 52, 22, 56 ]
47
[ "54+56=110", "110/22=5", "52-5=47" ]
Current State: 47:[54, 52, 22, 56], Operations: [] Exploring Operation: 54+56=110, Resulting Numbers: [52, 22, 110] Generated Node #2: [52, 22, 110] from Operation: 54+56=110 Current State: 47:[52, 22, 110], Operations: ['54+56=110'] Exploring Operation: 110/22=5, Resulting Numbers: [52, 5] Generated Node #3: [52, 5] from Operation: 110/22=5 Current State: 47:[52, 5], Operations: ['54+56=110', '110/22=5'] Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[54, 52, 22, 56], Operations: [] Exploring Operation: 54+22=76, Resulting Numbers: [52, 56, 76] Generated Node #0,0: 47:[52, 56, 76] Operation: 54+22=76 Exploring Operation: 54-22=32, Resulting Numbers: [52, 56, 32] Generated Node #0,1: 47:[52, 56, 32] Operation: 54-22=32 Exploring Operation: 56-22=34, Resulting Numbers: [54, 52, 34] Generated Node #0,2: 47:[54, 52, 34] Operation: 56-22=34 Exploring Operation: 52+22=74, Resulting Numbers: [54, 56, 74] Generated Node #0,3: 47:[54, 56, 74] Operation: 52+22=74 Exploring Operation: 52-22=30, Resulting Numbers: [54, 56, 30] Generated Node #0,4: 47:[54, 56, 30] Operation: 52-22=30 Moving to Node #0,2 Current State: 47:[54, 52, 34], Operations: ['56-22=34'] Exploring Operation: 54-52=2, Resulting Numbers: [34, 2] Generated Node #0,2,0: 47:[34, 2] Operation: 54-52=2 Exploring Operation: 52-34=18, Resulting Numbers: [54, 18] Generated Node #0,2,1: 47:[54, 18] Operation: 52-34=18 Exploring Operation: 54+34=88, Resulting Numbers: [52, 88] Generated Node #0,2,2: 47:[52, 88] Operation: 54+34=88 Exploring Operation: 52+34=86, Resulting Numbers: [54, 86] Generated Node #0,2,3: 47:[54, 86] Operation: 52+34=86 Exploring Operation: 54-34=20, Resulting Numbers: [52, 20] Generated Node #0,2,4: 47:[52, 20] Operation: 54-34=20 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 47:[52, 20], Operations: ['56-22=34', '54-34=20'] Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 52*20=1040, Resulting Numbers: [1040] 1040,47 unequal: No Solution Exploring Operation: 52+20=72, Resulting Numbers: [72] 72,47 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:[54, 18], Operations: ['56-22=34', '52-34=18'] Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 54+18=72, Resulting Numbers: [72] 72,47 unequal: No Solution Exploring Operation: 54*18=972, Resulting Numbers: [972] 972,47 unequal: No Solution Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[52, 88], Operations: ['56-22=34', '54+34=88'] Exploring Operation: 52+88=140, Resulting Numbers: [140] 140,47 unequal: No Solution Exploring Operation: 88-52=36, Resulting Numbers: [36] 36,47 unequal: No Solution Exploring Operation: 52*88=4576, Resulting Numbers: [4576] 4576,47 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:[54, 86], Operations: ['56-22=34', '52+34=86'] Exploring Operation: 86-54=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 54+86=140, Resulting Numbers: [140] 140,47 unequal: No Solution Exploring Operation: 54*86=4644, Resulting Numbers: [4644] 4644,47 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:[34, 2], Operations: ['56-22=34', '54-52=2'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,47 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,47 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,47 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,47 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: 47:[52, 56, 32], Operations: ['54-22=32'] Exploring Operation: 56-52=4, Resulting Numbers: [32, 4] Generated Node #0,1,0: 47:[32, 4] Operation: 56-52=4 Exploring Operation: 52-32=20, Resulting Numbers: [56, 20] Generated Node #0,1,1: 47:[56, 20] Operation: 52-32=20 Exploring Operation: 56-32=24, Resulting Numbers: [52, 24] Generated Node #0,1,2: 47:[52, 24] Operation: 56-32=24 Exploring Operation: 56+32=88, Resulting Numbers: [52, 88] Generated Node #0,1,3: 47:[52, 88] Operation: 56+32=88 Exploring Operation: 52+32=84, Resulting Numbers: [56, 84] Generated Node #0,1,4: 47:[56, 84] Operation: 52+32=84 Moving to Node #0,4 Current State: 47:[54, 56, 30], Operations: ['52-22=30'] Exploring Operation: 56+30=86, Resulting Numbers: [54, 86] Generated Node #0,4,0: 47:[54, 86] Operation: 56+30=86 Exploring Operation: 56-54=2, Resulting Numbers: [30, 2] Generated Node #0,4,1: 47:[30, 2] Operation: 56-54=2 Exploring Operation: 54-30=24, Resulting Numbers: [56, 24] Generated Node #0,4,2: 47:[56, 24] Operation: 54-30=24 Exploring Operation: 54+30=84, Resulting Numbers: [56, 84] Generated Node #0,4,3: 47:[56, 84] Operation: 54+30=84 Exploring Operation: 56-30=26, Resulting Numbers: [54, 26] Generated Node #0,4,4: 47:[54, 26] Operation: 56-30=26 Moving to Node #0,0 Current State: 47:[52, 56, 76], Operations: ['54+22=76'] Exploring Operation: 76-52=24, Resulting Numbers: [56, 24] Generated Node #0,0,0: 47:[56, 24] Operation: 76-52=24 Exploring Operation: 52+76=128, Resulting Numbers: [56, 128] Generated Node #0,0,1: 47:[56, 128] Operation: 52+76=128 Exploring Operation: 76-56=20, Resulting Numbers: [52, 20] Generated Node #0,0,2: 47:[52, 20] Operation: 76-56=20 Exploring Operation: 52+56=108, Resulting Numbers: [76, 108] Generated Node #0,0,3: 47:[76, 108] Operation: 52+56=108 Exploring Operation: 56-52=4, Resulting Numbers: [76, 4] Generated Node #0,0,4: 47:[76, 4] Operation: 56-52=4 Moving to Node #0,3 Current State: 47:[54, 56, 74], Operations: ['52+22=74'] Exploring Operation: 74-54=20, Resulting Numbers: [56, 20] Generated Node #0,3,0: 47:[56, 20] Operation: 74-54=20 Exploring Operation: 56-54=2, Resulting Numbers: [74, 2] Generated Node #0,3,1: 47:[74, 2] Operation: 56-54=2 Exploring Operation: 54+74=128, Resulting Numbers: [56, 128] Generated Node #0,3,2: 47:[56, 128] Operation: 54+74=128 Exploring Operation: 54+56=110, Resulting Numbers: [74, 110] Generated Node #0,3,3: 47:[74, 110] Operation: 54+56=110 Exploring Operation: 74-56=18, Resulting Numbers: [54, 18] Generated Node #0,3,4: 47:[54, 18] Operation: 74-56=18 Moving to Node #0,1,2 Current State: 47:[52, 24], Operations: ['54-22=32', '56-32=24'] Exploring Operation: 52*24=1248, Resulting Numbers: [1248] 1248,47 unequal: No Solution Exploring Operation: 52+24=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,47 unequal: No Solution Moving to Node #0,4,4 Current State: 47:[54, 26], Operations: ['52-22=30', '56-30=26'] Exploring Operation: 54*26=1404, Resulting Numbers: [1404] 1404,47 unequal: No Solution Exploring Operation: 54+26=80, Resulting Numbers: [80] 80,47 unequal: No Solution Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,47 unequal: No Solution Moving to Node #0,4,2 Current State: 47:[56, 24], Operations: ['52-22=30', '54-30=24'] Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,47 unequal: No Solution Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,47 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[52, 20], Operations: ['54+22=76', '76-56=20'] Exploring Operation: 52*20=1040, Resulting Numbers: [1040] 1040,47 unequal: No Solution Exploring Operation: 52+20=72, Resulting Numbers: [72] 72,47 unequal: No Solution Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[56, 24], Operations: ['54+22=76', '76-52=24'] Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,47 unequal: No Solution Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,47 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[56, 20], Operations: ['54-22=32', '52-32=20'] Exploring Operation: 56+20=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 56*20=1120, Resulting Numbers: [1120] 1120,47 unequal: No Solution Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,47 unequal: No Solution Moving to Node #0,3,0 Current State: 47:[56, 20], Operations: ['52+22=74', '74-54=20'] Exploring Operation: 56*20=1120, Resulting Numbers: [1120] 1120,47 unequal: No Solution Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,47 unequal: No Solution Exploring Operation: 56+20=76, Resulting Numbers: [76] 76,47 unequal: No Solution Moving to Node #0,3,4 Current State: 47:[54, 18], Operations: ['52+22=74', '74-56=18'] Exploring Operation: 54+18=72, Resulting Numbers: [72] 72,47 unequal: No Solution Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 54*18=972, Resulting Numbers: [972] 972,47 unequal: No Solution Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,47 unequal: No Solution Moving to Node #0,1,3 Current State: 47:[52, 88], Operations: ['54-22=32', '56+32=88'] Exploring Operation: 52+88=140, Resulting Numbers: [140] 140,47 unequal: No Solution Exploring Operation: 88-52=36, Resulting Numbers: [36] 36,47 unequal: No Solution Exploring Operation: 52*88=4576, Resulting Numbers: [4576] 4576,47 unequal: No Solution Moving to Node #0,1,4 Current State: 47:[56, 84], Operations: ['54-22=32', '52+32=84'] Exploring Operation: 56*84=4704, Resulting Numbers: [4704] 4704,47 unequal: No Solution Exploring Operation: 56+84=140, Resulting Numbers: [140] 140,47 unequal: No Solution Exploring Operation: 84-56=28, Resulting Numbers: [28] 28,47 unequal: No Solution Moving to Node #0,4,3 Current State: 47:[56, 84], Operations: ['52-22=30', '54+30=84'] Exploring Operation: 56*84=4704, Resulting Numbers: [4704] 4704,47 unequal: No Solution Exploring Operation: 84-56=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 56+84=140, Resulting Numbers: [140] 140,47 unequal: No Solution Moving to Node #0,4,0 Current State: 47:[54, 86], Operations: ['52-22=30', '56+30=86'] Exploring Operation: 86-54=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 54*86=4644, Resulting Numbers: [4644] 4644,47 unequal: No Solution Exploring Operation: 54+86=140, Resulting Numbers: [140] 140,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[32, 4], Operations: ['54-22=32', '56-52=4'] Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,47 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,47 unequal: No Solution Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,47 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,47 unequal: No Solution Moving to Node #0,4,1 Current State: 47:[30, 2], Operations: ['52-22=30', '56-54=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,47 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 30*2=60, Resulting Numbers: [60] 60,47 unequal: No Solution Moving to Node #0,0,4 Current State: 47:[76, 4], Operations: ['54+22=76', '56-52=4'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,47 unequal: No Solution Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,47 unequal: No Solution Exploring Operation: 76*4=304, Resulting Numbers: [304] 304,47 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,47 unequal: No Solution Moving to Node #0,3,1 Current State: 47:[74, 2], Operations: ['52+22=74', '56-54=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 74*2=148, Resulting Numbers: [148] 148,47 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,47 unequal: No Solution Moving to Node #0,0,3 Current State: 47:[76, 108], Operations: ['54+22=76', '52+56=108'] Exploring Operation: 108-76=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 76+108=184, Resulting Numbers: [184] 184,47 unequal: No Solution Exploring Operation: 76*108=8208, Resulting Numbers: [8208] 8208,47 unequal: No Solution Moving to Node #0,3,2 Current State: 47:[56, 128], Operations: ['52+22=74', '54+74=128'] Exploring Operation: 128-56=72, Resulting Numbers: [72] 72,47 unequal: No Solution Exploring Operation: 56+128=184, Resulting Numbers: [184] 184,47 unequal: No Solution Exploring Operation: 56*128=7168, Resulting Numbers: [7168] 7168,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[56, 128], Operations: ['54+22=76', '52+76=128'] Exploring Operation: 128-56=72, Resulting Numbers: [72] 72,47 unequal: No Solution Exploring Operation: 56+128=184, Resulting Numbers: [184] 184,47 unequal: No Solution Exploring Operation: 56*128=7168, Resulting Numbers: [7168] 7168,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[74, 110], Operations: ['52+22=74', '54+56=110'] Exploring Operation: 74+110=184, Resulting Numbers: [184] 184,47 unequal: No Solution Exploring Operation: 74*110=8140, Resulting Numbers: [8140] 8140,47 unequal: No Solution Exploring Operation: 110-74=36, Resulting Numbers: [36] 36,47 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 1, 44, 63, 83 ]
64
[ "1*44=44", "83-63=20", "44+20=64" ]
Current State: 64:[1, 44, 63, 83], Operations: [] Exploring Operation: 1*44=44, Resulting Numbers: [63, 83, 44] Generated Node #2: [63, 83, 44] from Operation: 1*44=44 Current State: 64:[63, 83, 44], Operations: ['1*44=44'] Exploring Operation: 83-63=20, Resulting Numbers: [44, 20] Generated Node #3: [44, 20] from Operation: 83-63=20 Current State: 64:[44, 20], Operations: ['1*44=44', '83-63=20'] Exploring Operation: 44+20=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[1, 44, 63, 83], Operations: [] Exploring Operation: 83-44=39, Resulting Numbers: [1, 63, 39] Generated Node #0,0: 64:[1, 63, 39] Operation: 83-44=39 Moving to Node #0,0 Current State: 64:[1, 63, 39], Operations: ['83-44=39'] Exploring Operation: 1+63=64, Resulting Numbers: [39, 64] Generated Node #0,0,0: 64:[39, 64] Operation: 1+63=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[39, 64], Operations: ['83-44=39', '1+63=64'] Exploring Operation: 64-39=25, Resulting Numbers: [25] 25,64 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
[ 37, 4, 22, 19 ]
30
[ "37-4=33", "22-19=3", "33-3=30" ]
Current State: 30:[37, 4, 22, 19], Operations: [] Exploring Operation: 37-4=33, Resulting Numbers: [22, 19, 33] Generated Node #2: [22, 19, 33] from Operation: 37-4=33 Current State: 30:[22, 19, 33], Operations: ['37-4=33'] Exploring Operation: 22-19=3, Resulting Numbers: [33, 3] Generated Node #3: [33, 3] from Operation: 22-19=3 Current State: 30:[33, 3], Operations: ['37-4=33', '22-19=3'] Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[37, 4, 22, 19], Operations: [] Exploring Operation: 22-19=3, Resulting Numbers: [37, 4, 3] Generated Node #0,0: 30:[37, 4, 3] Operation: 22-19=3 Exploring Operation: 37-22=15, Resulting Numbers: [4, 19, 15] Generated Node #0,1: 30:[4, 19, 15] Operation: 37-22=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[4, 19, 15], Operations: ['37-22=15'] Exploring Operation: 19-15=4, Resulting Numbers: [4, 4] Generated Node #0,1,0: 30:[4, 4] Operation: 19-15=4 Exploring Operation: 19-4=15, Resulting Numbers: [15, 15] Generated Node #0,1,1: 30:[15, 15] Operation: 19-4=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 30:[15, 15], Operations: ['37-22=15', '19-4=15'] Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[37, 4, 22, 19], Operations: [] Exploring Operation: 37-22=15, Resulting Numbers: [4, 19, 15] Generated Node #0,1: 30:[4, 19, 15] Operation: 37-22=15 Moving to Node #0,1 Current State: 30:[4, 19, 15], Operations: ['37-22=15'] Exploring Operation: 19-4=15, Resulting Numbers: [15, 15] Generated Node #0,1,1: 30:[15, 15] Operation: 19-4=15 Moving to Node #0,1,1 Current State: 30:[15, 15], Operations: ['37-22=15', '19-4=15'] Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 63, 58, 30, 33 ]
37
[ "33-30=3", "63/3=21", "58-21=37" ]
Current State: 37:[63, 58, 30, 33], Operations: [] Exploring Operation: 33-30=3, Resulting Numbers: [63, 58, 3] Generated Node #2: [63, 58, 3] from Operation: 33-30=3 Current State: 37:[63, 58, 3], Operations: ['33-30=3'] Exploring Operation: 63/3=21, Resulting Numbers: [58, 21] Generated Node #3: [58, 21] from Operation: 63/3=21 Current State: 37:[58, 21], Operations: ['33-30=3', '63/3=21'] Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[63, 58, 30, 33], Operations: [] Exploring Operation: 58-33=25, Resulting Numbers: [63, 30, 25] Generated Node #0,0: 37:[63, 30, 25] Operation: 58-33=25 Exploring Operation: 63-30=33, Resulting Numbers: [58, 33, 33] Generated Node #0,1: 37:[58, 33, 33] Operation: 63-30=33 Exploring Operation: 58-30=28, Resulting Numbers: [63, 33, 28] Generated Node #0,2: 37:[63, 33, 28] Operation: 58-30=28 Exploring Operation: 63-33=30, Resulting Numbers: [58, 30, 30] Generated Node #0,3: 37:[58, 30, 30] Operation: 63-33=30 Exploring Operation: 63-58=5, Resulting Numbers: [30, 33, 5] Generated Node #0,4: 37:[30, 33, 5] Operation: 63-58=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[58, 33, 33], Operations: ['63-30=33'] Exploring Operation: 58-33=25, Resulting Numbers: [33, 25] Generated Node #0,1,0: 37:[33, 25] Operation: 58-33=25 Exploring Operation: 58-33=25, Resulting Numbers: [33, 25] Generated Node #0,1,1: 37:[33, 25] Operation: 58-33=25 Exploring Operation: 33+33=66, Resulting Numbers: [58, 66] Generated Node #0,1,2: 37:[58, 66] Operation: 33+33=66 Exploring Operation: 33/33=1, Resulting Numbers: [58, 1] Generated Node #0,1,3: 37:[58, 1] Operation: 33/33=1 Exploring Operation: 58+33=91, Resulting Numbers: [33, 91] Generated Node #0,1,4: 37:[33, 91] Operation: 58+33=91 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[33, 25], Operations: ['63-30=33', '58-33=25'] Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 33+25=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 33*25=825, Resulting Numbers: [825] 825,37 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 #0,1,1 Current State: 37:[33, 25], Operations: ['63-30=33', '58-33=25'] Exploring Operation: 33+25=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 33*25=825, Resulting Numbers: [825] 825,37 unequal: No Solution Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,37 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:[58, 66], Operations: ['63-30=33', '33+33=66'] Exploring Operation: 66-58=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 58*66=3828, Resulting Numbers: [3828] 3828,37 unequal: No Solution Exploring Operation: 58+66=124, Resulting Numbers: [124] 124,37 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 #0,1,3 Current State: 37:[58, 1], Operations: ['63-30=33', '33/33=1'] Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,37 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,37 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 #0,1,4 Current State: 37:[33, 91], Operations: ['63-30=33', '58+33=91'] Exploring Operation: 33*91=3003, Resulting Numbers: [3003] 3003,37 unequal: No Solution Exploring Operation: 33+91=124, Resulting Numbers: [124] 124,37 unequal: No Solution Exploring Operation: 91-33=58, Resulting Numbers: [58] 58,37 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 Start Sub Search at level 1: Moving to Node #0,3 Current State: 37:[58, 30, 30], Operations: ['63-33=30'] Exploring Operation: 58-30=28, Resulting Numbers: [30, 28] Generated Node #0,3,0: 37:[30, 28] Operation: 58-30=28 Exploring Operation: 30+30=60, Resulting Numbers: [58, 60] Generated Node #0,3,1: 37:[58, 60] Operation: 30+30=60 Exploring Operation: 58+30=88, Resulting Numbers: [30, 88] Generated Node #0,3,2: 37:[30, 88] Operation: 58+30=88 Exploring Operation: 30/30=1, Resulting Numbers: [58, 1] Generated Node #0,3,3: 37:[58, 1] Operation: 30/30=1 Exploring Operation: 58-30=28, Resulting Numbers: [30, 28] Generated Node #0,3,4: 37:[30, 28] Operation: 58-30=28 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 37:[30, 28], Operations: ['63-33=30', '58-30=28'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 30*28=840, Resulting Numbers: [840] 840,37 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 #0,3,4 Current State: 37:[30, 28], Operations: ['63-33=30', '58-30=28'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 30*28=840, Resulting Numbers: [840] 840,37 unequal: No Solution Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,37 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 #0,3,1 Current State: 37:[58, 60], Operations: ['63-33=30', '30+30=60'] Exploring Operation: 58*60=3480, Resulting Numbers: [3480] 3480,37 unequal: No Solution Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 58+60=118, Resulting Numbers: [118] 118,37 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 #0,3,3 Current State: 37:[58, 1], Operations: ['63-33=30', '30/30=1'] Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,37 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,37 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 #0,3,2 Current State: 37:[30, 88], Operations: ['63-33=30', '58+30=88'] Exploring Operation: 30+88=118, Resulting Numbers: [118] 118,37 unequal: No Solution Exploring Operation: 88-30=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 30*88=2640, Resulting Numbers: [2640] 2640,37 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[63, 33, 28], Operations: ['58-30=28'] Exploring Operation: 63-33=30, Resulting Numbers: [28, 30] Generated Node #0,2,0: 37:[28, 30] Operation: 63-33=30 Exploring Operation: 33-28=5, Resulting Numbers: [63, 5] Generated Node #0,2,1: 37:[63, 5] Operation: 33-28=5 Exploring Operation: 63+28=91, Resulting Numbers: [33, 91] Generated Node #0,2,2: 37:[33, 91] Operation: 63+28=91 Exploring Operation: 63-28=35, Resulting Numbers: [33, 35] Generated Node #0,2,3: 37:[33, 35] Operation: 63-28=35 Exploring Operation: 33+28=61, Resulting Numbers: [63, 61] Generated Node #0,2,4: 37:[63, 61] Operation: 33+28=61 Moving to Node #0,2,3 Current State: 37:[33, 35], Operations: ['58-30=28', '63-28=35'] Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,37 unequal: No Solution Exploring Operation: 33*35=1155, Resulting Numbers: [1155] 1155,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[28, 30], Operations: ['58-30=28', '63-33=30'] Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,37 unequal: No Solution Moving to Node #0,2,4 Current State: 37:[63, 61], Operations: ['58-30=28', '33+28=61'] Exploring Operation: 63+61=124, Resulting Numbers: [124] 124,37 unequal: No Solution Exploring Operation: 63-61=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 63*61=3843, Resulting Numbers: [3843] 3843,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[63, 5], Operations: ['58-30=28', '33-28=5'] Exploring Operation: 63*5=315, Resulting Numbers: [315] 315,37 unequal: No Solution Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 63+5=68, Resulting Numbers: [68] 68,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[33, 91], Operations: ['58-30=28', '63+28=91'] Exploring Operation: 33+91=124, Resulting Numbers: [124] 124,37 unequal: No Solution Exploring Operation: 33*91=3003, Resulting Numbers: [3003] 3003,37 unequal: No Solution Exploring Operation: 91-33=58, Resulting Numbers: [58] 58,37 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 #0,4 Current State: 37:[30, 33, 5], Operations: ['63-58=5'] Exploring Operation: 33-5=28, Resulting Numbers: [30, 28] Generated Node #0,4,0: 37:[30, 28] Operation: 33-5=28 Exploring Operation: 33+5=38, Resulting Numbers: [30, 38] Generated Node #0,4,1: 37:[30, 38] Operation: 33+5=38 Exploring Operation: 30/5=6, Resulting Numbers: [33, 6] Generated Node #0,4,2: 37:[33, 6] Operation: 30/5=6 Exploring Operation: 30+5=35, Resulting Numbers: [33, 35] Generated Node #0,4,3: 37:[33, 35] Operation: 30+5=35 Exploring Operation: 30-5=25, Resulting Numbers: [33, 25] Generated Node #0,4,4: 37:[33, 25] Operation: 30-5=25 Moving to Node #0,4,3 Current State: 37:[33, 35], Operations: ['63-58=5', '30+5=35'] Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 33*35=1155, Resulting Numbers: [1155] 1155,37 unequal: No Solution Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,37 unequal: No Solution Moving to Node #0,4,1 Current State: 37:[30, 38], Operations: ['63-58=5', '33+5=38'] Exploring Operation: 30*38=1140, Resulting Numbers: [1140] 1140,37 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,37 unequal: No Solution Moving to Node #0,4,0 Current State: 37:[30, 28], Operations: ['63-58=5', '33-5=28'] Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 30*28=840, Resulting Numbers: [840] 840,37 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,37 unequal: No Solution Moving to Node #0,4,4 Current State: 37:[33, 25], Operations: ['63-58=5', '30-5=25'] Exploring Operation: 33+25=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 33*25=825, Resulting Numbers: [825] 825,37 unequal: No Solution Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,37 unequal: No Solution Moving to Node #0,4,2 Current State: 37:[33, 6], Operations: ['63-58=5', '30/5=6'] Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,37 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,37 unequal: No Solution Exploring Operation: 33*6=198, Resulting Numbers: [198] 198,37 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 #0,0 Current State: 37:[63, 30, 25], Operations: ['58-33=25'] Exploring Operation: 63-25=38, Resulting Numbers: [30, 38] Generated Node #0,0,0: 37:[30, 38] Operation: 63-25=38 Exploring Operation: 30+25=55, Resulting Numbers: [63, 55] Generated Node #0,0,1: 37:[63, 55] Operation: 30+25=55 Exploring Operation: 30-25=5, Resulting Numbers: [63, 5] Generated Node #0,0,2: 37:[63, 5] Operation: 30-25=5 Exploring Operation: 63+25=88, Resulting Numbers: [30, 88] Generated Node #0,0,3: 37:[30, 88] Operation: 63+25=88 Exploring Operation: 63-30=33, Resulting Numbers: [25, 33] Generated Node #0,0,4: 37:[25, 33] Operation: 63-30=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[30, 38], Operations: ['58-33=25', '63-25=38'] Exploring Operation: 30*38=1140, Resulting Numbers: [1140] 1140,37 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,37 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 #0,0,4 Current State: 37:[25, 33], Operations: ['58-33=25', '63-30=33'] Exploring Operation: 25*33=825, Resulting Numbers: [825] 825,37 unequal: No Solution Exploring Operation: 25+33=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,37 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 #0,0,1 Current State: 37:[63, 55], Operations: ['58-33=25', '30+25=55'] Exploring Operation: 63*55=3465, Resulting Numbers: [3465] 3465,37 unequal: No Solution Exploring Operation: 63-55=8, Resulting Numbers: [8] 8,37 unequal: No Solution Exploring Operation: 63+55=118, Resulting Numbers: [118] 118,37 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 #0,0,2 Current State: 37:[63, 5], Operations: ['58-33=25', '30-25=5'] Exploring Operation: 63*5=315, Resulting Numbers: [315] 315,37 unequal: No Solution Exploring Operation: 63+5=68, Resulting Numbers: [68] 68,37 unequal: No Solution Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,37 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 #0,0,3 Current State: 37:[30, 88], Operations: ['58-33=25', '63+25=88'] Exploring Operation: 88-30=58, Resulting Numbers: [58] 58,37 unequal: No Solution Exploring Operation: 30*88=2640, Resulting Numbers: [2640] 2640,37 unequal: No Solution Exploring Operation: 30+88=118, Resulting Numbers: [118] 118,37 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_5
sum_heuristic
[ 80, 95, 28, 57 ]
44
[ "95-80=15", "57-28=29", "15+29=44" ]
Current State: 44:[80, 95, 28, 57], Operations: [] Exploring Operation: 95-80=15, Resulting Numbers: [28, 57, 15] Generated Node #2: [28, 57, 15] from Operation: 95-80=15 Current State: 44:[28, 57, 15], Operations: ['95-80=15'] Exploring Operation: 57-28=29, Resulting Numbers: [15, 29] Generated Node #3: [15, 29] from Operation: 57-28=29 Current State: 44:[15, 29], Operations: ['95-80=15', '57-28=29'] Exploring Operation: 15+29=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[80, 95, 28, 57], Operations: [] Exploring Operation: 80-57=23, Resulting Numbers: [95, 28, 23] Generated Node #0,0: 44:[95, 28, 23] Operation: 80-57=23 Exploring Operation: 95-80=15, Resulting Numbers: [28, 57, 15] Generated Node #0,1: 44:[28, 57, 15] Operation: 95-80=15 Exploring Operation: 95-57=38, Resulting Numbers: [80, 28, 38] Generated Node #0,2: 44:[80, 28, 38] Operation: 95-57=38 Moving to Node #0,1 Current State: 44:[28, 57, 15], Operations: ['95-80=15'] Exploring Operation: 57-15=42, Resulting Numbers: [28, 42] Generated Node #0,1,0: 44:[28, 42] Operation: 57-15=42 Exploring Operation: 57-28=29, Resulting Numbers: [15, 29] Generated Node #0,1,1: 44:[15, 29] Operation: 57-28=29 Exploring Operation: 28+15=43, Resulting Numbers: [57, 43] Generated Node #0,1,2: 44:[57, 43] Operation: 28+15=43 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 44:[28, 42], Operations: ['95-80=15', '57-15=42'] Exploring Operation: 28+42=70, Resulting Numbers: [70] 70,44 unequal: No Solution Exploring Operation: 28*42=1176, Resulting Numbers: [1176] 1176,44 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,44 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:[15, 29], Operations: ['95-80=15', '57-28=29'] Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 15*29=435, Resulting Numbers: [435] 435,44 unequal: No Solution Exploring Operation: 15+29=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[80, 95, 28, 57], Operations: [] Exploring Operation: 95-80=15, Resulting Numbers: [28, 57, 15] Generated Node #0,1: 44:[28, 57, 15] Operation: 95-80=15 Moving to Node #0,1 Current State: 44:[28, 57, 15], Operations: ['95-80=15'] Exploring Operation: 57-28=29, Resulting Numbers: [15, 29] Generated Node #0,1,1: 44:[15, 29] Operation: 57-28=29 Moving to Node #0,1,1 Current State: 44:[15, 29], Operations: ['95-80=15', '57-28=29'] Exploring Operation: 15+29=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 14, 50, 72, 66 ]
74
[ "14+50=64", "72+66=138", "138-64=74" ]
Current State: 74:[14, 50, 72, 66], Operations: [] Exploring Operation: 14+50=64, Resulting Numbers: [72, 66, 64] Generated Node #2: [72, 66, 64] from Operation: 14+50=64 Current State: 74:[72, 66, 64], Operations: ['14+50=64'] Exploring Operation: 72+66=138, Resulting Numbers: [64, 138] Generated Node #3: [64, 138] from Operation: 72+66=138 Current State: 74:[64, 138], Operations: ['14+50=64', '72+66=138'] Exploring Operation: 138-64=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[14, 50, 72, 66], Operations: [] Exploring Operation: 50-14=36, Resulting Numbers: [72, 66, 36] Generated Node #0,0: 74:[72, 66, 36] Operation: 50-14=36 Moving to Node #0,0 Current State: 74:[72, 66, 36], Operations: ['50-14=36'] Exploring Operation: 72-66=6, Resulting Numbers: [36, 6] Generated Node #0,0,0: 74:[36, 6] Operation: 72-66=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[36, 6], Operations: ['50-14=36', '72-66=6'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,74 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
[ 3, 3, 56, 24 ]
99
[ "56-24=32", "3*32=96", "3+96=99" ]
Current State: 99:[3, 3, 56, 24], Operations: [] Exploring Operation: 56-24=32, Resulting Numbers: [3, 3, 32] Generated Node #2: [3, 3, 32] from Operation: 56-24=32 Current State: 99:[3, 3, 32], Operations: ['56-24=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,99 equal: Goal Reached Exploring Operation: 3+96=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[3, 3, 56, 24], Operations: [] Exploring Operation: 56-24=32, Resulting Numbers: [3, 3, 32] Generated Node #0,0: 99:[3, 3, 32] Operation: 56-24=32 Moving to Node #0,0 Current State: 99:[3, 3, 32], Operations: ['56-24=32'] Exploring Operation: 3*3=9, Resulting Numbers: [32, 9] Generated Node #0,0,0: 99:[32, 9] Operation: 3*3=9 Moving to Node #0,0,0 Current State: 99:[32, 9], Operations: ['56-24=32', '3*3=9'] Exploring Operation: 32+9=41, Resulting Numbers: [41] 41,99 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 46, 62, 53, 2 ]
83
[ "46*2=92", "62-53=9", "92-9=83" ]
Current State: 83:[46, 62, 53, 2], Operations: [] Exploring Operation: 46*2=92, Resulting Numbers: [62, 53, 92] Generated Node #2: [62, 53, 92] from Operation: 46*2=92 Current State: 83:[62, 53, 92], Operations: ['46*2=92'] Exploring Operation: 62-53=9, Resulting Numbers: [92, 9] Generated Node #3: [92, 9] from Operation: 62-53=9 Current State: 83:[92, 9], Operations: ['46*2=92', '62-53=9'] Exploring Operation: 92-9=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[46, 62, 53, 2], Operations: [] Exploring Operation: 53*2=106, Resulting Numbers: [46, 62, 106] Generated Node #0,0: 83:[46, 62, 106] Operation: 53*2=106 Exploring Operation: 46*2=92, Resulting Numbers: [62, 53, 92] Generated Node #0,1: 83:[62, 53, 92] Operation: 46*2=92 Moving to Node #0,1 Current State: 83:[62, 53, 92], Operations: ['46*2=92'] Exploring Operation: 92-53=39, Resulting Numbers: [62, 39] Generated Node #0,1,0: 83:[62, 39] Operation: 92-53=39 Exploring Operation: 62+53=115, Resulting Numbers: [92, 115] Generated Node #0,1,1: 83:[92, 115] Operation: 62+53=115 Moving to Node #0,0 Current State: 83:[46, 62, 106], Operations: ['53*2=106'] Exploring Operation: 46+62=108, Resulting Numbers: [106, 108] Generated Node #0,0,0: 83:[106, 108] Operation: 46+62=108 Exploring Operation: 106-46=60, Resulting Numbers: [62, 60] Generated Node #0,0,1: 83:[62, 60] Operation: 106-46=60 Moving to Node #0,1,1 Current State: 83:[92, 115], Operations: ['46*2=92', '62+53=115'] Exploring Operation: 115-92=23, Resulting Numbers: [23] 23,83 unequal: No Solution Exploring Operation: 92+115=207, Resulting Numbers: [207] 207,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[62, 60], Operations: ['53*2=106', '106-46=60'] Exploring Operation: 62+60=122, Resulting Numbers: [122] 122,83 unequal: No Solution Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[106, 108], Operations: ['53*2=106', '46+62=108'] Exploring Operation: 106+108=214, Resulting Numbers: [214] 214,83 unequal: No Solution Exploring Operation: 108-106=2, Resulting Numbers: [2] 2,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[62, 39], Operations: ['46*2=92', '92-53=39'] Exploring Operation: 62-39=23, Resulting Numbers: [23] 23,83 unequal: No Solution Exploring Operation: 62+39=101, Resulting Numbers: [101] 101,83 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 33, 89, 7, 36 ]
32
[ "36-33=3", "89+7=96", "96/3=32" ]
Current State: 32:[33, 89, 7, 36], Operations: [] Exploring Operation: 36-33=3, Resulting Numbers: [89, 7, 3] Generated Node #2: [89, 7, 3] from Operation: 36-33=3 Current State: 32:[89, 7, 3], Operations: ['36-33=3'] Exploring Operation: 89+7=96, Resulting Numbers: [3, 96] Generated Node #3: [3, 96] from Operation: 89+7=96 Current State: 32:[3, 96], Operations: ['36-33=3', '89+7=96'] Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[33, 89, 7, 36], Operations: [] Exploring Operation: 89-36=53, Resulting Numbers: [33, 7, 53] Generated Node #0,0: 32:[33, 7, 53] Operation: 89-36=53 Exploring Operation: 89-33=56, Resulting Numbers: [7, 36, 56] Generated Node #0,1: 32:[7, 36, 56] Operation: 89-33=56 Exploring Operation: 89-7=82, Resulting Numbers: [33, 36, 82] Generated Node #0,2: 32:[33, 36, 82] Operation: 89-7=82 Exploring Operation: 36-33=3, Resulting Numbers: [89, 7, 3] Generated Node #0,3: 32:[89, 7, 3] Operation: 36-33=3 Moving to Node #0,0 Current State: 32:[33, 7, 53], Operations: ['89-36=53'] Exploring Operation: 53-33=20, Resulting Numbers: [7, 20] Generated Node #0,0,0: 32:[7, 20] Operation: 53-33=20 Exploring Operation: 33+7=40, Resulting Numbers: [53, 40] Generated Node #0,0,1: 32:[53, 40] Operation: 33+7=40 Exploring Operation: 53-7=46, Resulting Numbers: [33, 46] Generated Node #0,0,2: 32:[33, 46] Operation: 53-7=46 Exploring Operation: 33-7=26, Resulting Numbers: [53, 26] Generated Node #0,0,3: 32:[53, 26] Operation: 33-7=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[7, 20], Operations: ['89-36=53', '53-33=20'] Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,32 unequal: No Solution Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,32 unequal: No Solution Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 32:[33, 46], Operations: ['89-36=53', '53-7=46'] Exploring Operation: 33*46=1518, Resulting Numbers: [1518] 1518,32 unequal: No Solution Exploring Operation: 33+46=79, Resulting Numbers: [79] 79,32 unequal: No Solution Exploring Operation: 46-33=13, Resulting Numbers: [13] 13,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 32:[53, 26], Operations: ['89-36=53', '33-7=26'] Exploring Operation: 53+26=79, Resulting Numbers: [79] 79,32 unequal: No Solution Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,32 unequal: No Solution Exploring Operation: 53*26=1378, Resulting Numbers: [1378] 1378,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[53, 40], Operations: ['89-36=53', '33+7=40'] Exploring Operation: 53+40=93, Resulting Numbers: [93] 93,32 unequal: No Solution Exploring Operation: 53-40=13, Resulting Numbers: [13] 13,32 unequal: No Solution Exploring Operation: 53*40=2120, Resulting Numbers: [2120] 2120,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 32:[7, 36, 56], Operations: ['89-33=56'] Exploring Operation: 56/7=8, Resulting Numbers: [36, 8] Generated Node #0,1,0: 32:[36, 8] Operation: 56/7=8 Exploring Operation: 56-7=49, Resulting Numbers: [36, 49] Generated Node #0,1,1: 32:[36, 49] Operation: 56-7=49 Exploring Operation: 56-36=20, Resulting Numbers: [7, 20] Generated Node #0,1,2: 32:[7, 20] Operation: 56-36=20 Exploring Operation: 36-7=29, Resulting Numbers: [56, 29] Generated Node #0,1,3: 32:[56, 29] Operation: 36-7=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[36, 8], Operations: ['89-33=56', '56/7=8'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 36*8=288, Resulting Numbers: [288] 288,32 unequal: No Solution Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 32:[7, 20], Operations: ['89-33=56', '56-36=20'] Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,32 unequal: No Solution Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,32 unequal: No Solution Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[36, 49], Operations: ['89-33=56', '56-7=49'] Exploring Operation: 36*49=1764, Resulting Numbers: [1764] 1764,32 unequal: No Solution Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,32 unequal: No Solution Exploring Operation: 36+49=85, Resulting Numbers: [85] 85,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 32:[56, 29], Operations: ['89-33=56', '36-7=29'] Exploring Operation: 56*29=1624, Resulting Numbers: [1624] 1624,32 unequal: No Solution Exploring Operation: 56+29=85, Resulting Numbers: [85] 85,32 unequal: No Solution Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 32:[33, 36, 82], Operations: ['89-7=82'] Exploring Operation: 82-33=49, Resulting Numbers: [36, 49] Generated Node #0,2,0: 32:[36, 49] Operation: 82-33=49 Exploring Operation: 82-36=46, Resulting Numbers: [33, 46] Generated Node #0,2,1: 32:[33, 46] Operation: 82-36=46 Exploring Operation: 36-33=3, Resulting Numbers: [82, 3] Generated Node #0,2,2: 32:[82, 3] Operation: 36-33=3 Exploring Operation: 33+36=69, Resulting Numbers: [82, 69] Generated Node #0,2,3: 32:[82, 69] Operation: 33+36=69 Moving to Node #0,3 Current State: 32:[89, 7, 3], Operations: ['36-33=3'] Exploring Operation: 7-3=4, Resulting Numbers: [89, 4] Generated Node #0,3,0: 32:[89, 4] Operation: 7-3=4 Exploring Operation: 7+3=10, Resulting Numbers: [89, 10] Generated Node #0,3,1: 32:[89, 10] Operation: 7+3=10 Exploring Operation: 89-7=82, Resulting Numbers: [3, 82] Generated Node #0,3,2: 32:[3, 82] Operation: 89-7=82 Exploring Operation: 89-3=86, Resulting Numbers: [7, 86] Generated Node #0,3,3: 32:[7, 86] Operation: 89-3=86 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 32:[3, 82], Operations: ['36-33=3', '89-7=82'] Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,32 unequal: No Solution Exploring Operation: 3*82=246, Resulting Numbers: [246] 246,32 unequal: No Solution Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 32:[7, 86], Operations: ['36-33=3', '89-3=86'] Exploring Operation: 7*86=602, Resulting Numbers: [602] 602,32 unequal: No Solution Exploring Operation: 7+86=93, Resulting Numbers: [93] 93,32 unequal: No Solution Exploring Operation: 86-7=79, Resulting Numbers: [79] 79,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 32:[89, 4], Operations: ['36-33=3', '7-3=4'] Exploring Operation: 89*4=356, Resulting Numbers: [356] 356,32 unequal: No Solution Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,32 unequal: No Solution Exploring Operation: 89+4=93, Resulting Numbers: [93] 93,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 32:[89, 10], Operations: ['36-33=3', '7+3=10'] Exploring Operation: 89+10=99, Resulting Numbers: [99] 99,32 unequal: No Solution Exploring Operation: 89*10=890, Resulting Numbers: [890] 890,32 unequal: No Solution Exploring Operation: 89-10=79, Resulting Numbers: [79] 79,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 32:[33, 46], Operations: ['89-7=82', '82-36=46'] Exploring Operation: 33+46=79, Resulting Numbers: [79] 79,32 unequal: No Solution Exploring Operation: 33*46=1518, Resulting Numbers: [1518] 1518,32 unequal: No Solution Exploring Operation: 46-33=13, Resulting Numbers: [13] 13,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[36, 49], Operations: ['89-7=82', '82-33=49'] Exploring Operation: 36*49=1764, Resulting Numbers: [1764] 1764,32 unequal: No Solution Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,32 unequal: No Solution Exploring Operation: 36+49=85, Resulting Numbers: [85] 85,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[82, 3], Operations: ['89-7=82', '36-33=3'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,32 unequal: No Solution Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,32 unequal: No Solution Exploring Operation: 82*3=246, Resulting Numbers: [246] 246,32 unequal: No Solution Moving to Node #0,2,3 Current State: 32:[82, 69], Operations: ['89-7=82', '33+36=69'] Exploring Operation: 82-69=13, Resulting Numbers: [13] 13,32 unequal: No Solution Exploring Operation: 82+69=151, Resulting Numbers: [151] 151,32 unequal: No Solution Exploring Operation: 82*69=5658, Resulting Numbers: [5658] 5658,32 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 71, 17, 19, 75 ]
67
[ "19-17=2", "71*2=142", "142-75=67" ]
Current State: 67:[71, 17, 19, 75], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [71, 75, 2] Generated Node #2: [71, 75, 2] from Operation: 19-17=2 Current State: 67:[71, 75, 2], Operations: ['19-17=2'] Exploring Operation: 71*2=142, Resulting Numbers: [75, 142] Generated Node #3: [75, 142] from Operation: 71*2=142 Current State: 67:[75, 142], Operations: ['19-17=2', '71*2=142'] Exploring Operation: 142-75=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[71, 17, 19, 75], Operations: [] Exploring Operation: 17+19=36, Resulting Numbers: [71, 75, 36] Generated Node #0,0: 67:[71, 75, 36] Operation: 17+19=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[71, 75, 36], Operations: ['17+19=36'] Exploring Operation: 75-36=39, Resulting Numbers: [71, 39] Generated Node #0,0,0: 67:[71, 39] Operation: 75-36=39 Moving to Node #0,0,0 Current State: 67:[71, 39], Operations: ['17+19=36', '75-36=39'] Exploring Operation: 71-39=32, Resulting Numbers: [32] 32,67 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
[ 15, 99, 12, 31 ]
93
[ "31-15=16", "12*16=192", "192-99=93" ]
Current State: 93:[15, 99, 12, 31], Operations: [] Exploring Operation: 31-15=16, Resulting Numbers: [99, 12, 16] Generated Node #2: [99, 12, 16] from Operation: 31-15=16 Current State: 93:[99, 12, 16], Operations: ['31-15=16'] Exploring Operation: 12*16=192, Resulting Numbers: [99, 192] Generated Node #3: [99, 192] from Operation: 12*16=192 Current State: 93:[99, 192], Operations: ['31-15=16', '12*16=192'] Exploring Operation: 192-99=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[15, 99, 12, 31], Operations: [] Exploring Operation: 31-15=16, Resulting Numbers: [99, 12, 16] Generated Node #0,0: 93:[99, 12, 16] Operation: 31-15=16 Exploring Operation: 99-12=87, Resulting Numbers: [15, 31, 87] Generated Node #0,1: 93:[15, 31, 87] Operation: 99-12=87 Exploring Operation: 99-15=84, Resulting Numbers: [12, 31, 84] Generated Node #0,2: 93:[12, 31, 84] Operation: 99-15=84 Exploring Operation: 15-12=3, Resulting Numbers: [99, 31, 3] Generated Node #0,3: 93:[99, 31, 3] Operation: 15-12=3 Exploring Operation: 15+12=27, Resulting Numbers: [99, 31, 27] Generated Node #0,4: 93:[99, 31, 27] Operation: 15+12=27 Start Sub Search at level 1: Moving to Node #0,3 Current State: 93:[99, 31, 3], Operations: ['15-12=3'] Exploring Operation: 99/3=33, Resulting Numbers: [31, 33] Generated Node #0,3,0: 93:[31, 33] Operation: 99/3=33 Exploring Operation: 31*3=93, Resulting Numbers: [99, 93] Generated Node #0,3,1: 93:[99, 93] Operation: 31*3=93 Exploring Operation: 31+3=34, Resulting Numbers: [99, 34] Generated Node #0,3,2: 93:[99, 34] Operation: 31+3=34 Exploring Operation: 99-3=96, Resulting Numbers: [31, 96] Generated Node #0,3,3: 93:[31, 96] Operation: 99-3=96 Exploring Operation: 99+3=102, Resulting Numbers: [31, 102] Generated Node #0,3,4: 93:[31, 102] Operation: 99+3=102 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 93:[31, 33], Operations: ['15-12=3', '99/3=33'] Exploring Operation: 31*33=1023, Resulting Numbers: [1023] 1023,93 unequal: No Solution Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,93 unequal: No Solution No 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: 93:[31, 96], Operations: ['15-12=3', '99-3=96'] Exploring Operation: 31+96=127, Resulting Numbers: [127] 127,93 unequal: No Solution Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,93 unequal: No Solution Exploring Operation: 31*96=2976, Resulting Numbers: [2976] 2976,93 unequal: No Solution No 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: 93:[99, 93], Operations: ['15-12=3', '31*3=93'] Exploring Operation: 99*93=9207, Resulting Numbers: [9207] 9207,93 unequal: No Solution Exploring Operation: 99+93=192, Resulting Numbers: [192] 192,93 unequal: No Solution Exploring Operation: 99-93=6, Resulting Numbers: [6] 6,93 unequal: No Solution No 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: 93:[99, 34], Operations: ['15-12=3', '31+3=34'] Exploring Operation: 99*34=3366, Resulting Numbers: [3366] 3366,93 unequal: No Solution Exploring Operation: 99+34=133, Resulting Numbers: [133] 133,93 unequal: No Solution Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,93 unequal: No Solution No 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: 93:[31, 102], Operations: ['15-12=3', '99+3=102'] Exploring Operation: 31+102=133, Resulting Numbers: [133] 133,93 unequal: No Solution Exploring Operation: 102-31=71, Resulting Numbers: [71] 71,93 unequal: No Solution Exploring Operation: 31*102=3162, Resulting Numbers: [3162] 3162,93 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: 93:[99, 31, 27], Operations: ['15+12=27'] Exploring Operation: 99+27=126, Resulting Numbers: [31, 126] Generated Node #0,4,0: 93:[31, 126] Operation: 99+27=126 Exploring Operation: 31+27=58, Resulting Numbers: [99, 58] Generated Node #0,4,1: 93:[99, 58] Operation: 31+27=58 Exploring Operation: 31-27=4, Resulting Numbers: [99, 4] Generated Node #0,4,2: 93:[99, 4] Operation: 31-27=4 Exploring Operation: 99-31=68, Resulting Numbers: [27, 68] Generated Node #0,4,3: 93:[27, 68] Operation: 99-31=68 Exploring Operation: 99-27=72, Resulting Numbers: [31, 72] Generated Node #0,4,4: 93:[31, 72] Operation: 99-27=72 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 93:[99, 4], Operations: ['15+12=27', '31-27=4'] Exploring Operation: 99*4=396, Resulting Numbers: [396] 396,93 unequal: No Solution Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 99+4=103, Resulting Numbers: [103] 103,93 unequal: No Solution No 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: 93:[31, 72], Operations: ['15+12=27', '99-27=72'] Exploring Operation: 31*72=2232, Resulting Numbers: [2232] 2232,93 unequal: No Solution Exploring Operation: 31+72=103, Resulting Numbers: [103] 103,93 unequal: No Solution Exploring Operation: 72-31=41, Resulting Numbers: [41] 41,93 unequal: No Solution No 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: 93:[27, 68], Operations: ['15+12=27', '99-31=68'] Exploring Operation: 27+68=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 27*68=1836, Resulting Numbers: [1836] 1836,93 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,93 unequal: No Solution No 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: 93:[31, 126], Operations: ['15+12=27', '99+27=126'] Exploring Operation: 126-31=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 31*126=3906, Resulting Numbers: [3906] 3906,93 unequal: No Solution Exploring Operation: 31+126=157, Resulting Numbers: [157] 157,93 unequal: No Solution No 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: 93:[99, 58], Operations: ['15+12=27', '31+27=58'] Exploring Operation: 99-58=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 99+58=157, Resulting Numbers: [157] 157,93 unequal: No Solution Exploring Operation: 99*58=5742, Resulting Numbers: [5742] 5742,93 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: 93:[15, 31, 87], Operations: ['99-12=87'] Exploring Operation: 87-15=72, Resulting Numbers: [31, 72] Generated Node #0,1,0: 93:[31, 72] Operation: 87-15=72 Exploring Operation: 31+87=118, Resulting Numbers: [15, 118] Generated Node #0,1,1: 93:[15, 118] Operation: 31+87=118 Exploring Operation: 31-15=16, Resulting Numbers: [87, 16] Generated Node #0,1,2: 93:[87, 16] Operation: 31-15=16 Exploring Operation: 15+31=46, Resulting Numbers: [87, 46] Generated Node #0,1,3: 93:[87, 46] Operation: 15+31=46 Exploring Operation: 15+87=102, Resulting Numbers: [31, 102] Generated Node #0,1,4: 93:[31, 102] Operation: 15+87=102 Moving to Node #0,1,4 Current State: 93:[31, 102], Operations: ['99-12=87', '15+87=102'] Exploring Operation: 31*102=3162, Resulting Numbers: [3162] 3162,93 unequal: No Solution Exploring Operation: 31+102=133, Resulting Numbers: [133] 133,93 unequal: No Solution Exploring Operation: 102-31=71, Resulting Numbers: [71] 71,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[87, 16], Operations: ['99-12=87', '31-15=16'] Exploring Operation: 87+16=103, Resulting Numbers: [103] 103,93 unequal: No Solution Exploring Operation: 87*16=1392, Resulting Numbers: [1392] 1392,93 unequal: No Solution Exploring Operation: 87-16=71, Resulting Numbers: [71] 71,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[31, 72], Operations: ['99-12=87', '87-15=72'] Exploring Operation: 72-31=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 31+72=103, Resulting Numbers: [103] 103,93 unequal: No Solution Exploring Operation: 31*72=2232, Resulting Numbers: [2232] 2232,93 unequal: No Solution Moving to Node #0,1,3 Current State: 93:[87, 46], Operations: ['99-12=87', '15+31=46'] Exploring Operation: 87+46=133, Resulting Numbers: [133] 133,93 unequal: No Solution Exploring Operation: 87-46=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 87*46=4002, Resulting Numbers: [4002] 4002,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[15, 118], Operations: ['99-12=87', '31+87=118'] Exploring Operation: 15+118=133, Resulting Numbers: [133] 133,93 unequal: No Solution Exploring Operation: 118-15=103, Resulting Numbers: [103] 103,93 unequal: No Solution Exploring Operation: 15*118=1770, Resulting Numbers: [1770] 1770,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[12, 31, 84], Operations: ['99-15=84'] Exploring Operation: 84/12=7, Resulting Numbers: [31, 7] Generated Node #0,2,0: 93:[31, 7] Operation: 84/12=7 Exploring Operation: 31-12=19, Resulting Numbers: [84, 19] Generated Node #0,2,1: 93:[84, 19] Operation: 31-12=19 Exploring Operation: 12+84=96, Resulting Numbers: [31, 96] Generated Node #0,2,2: 93:[31, 96] Operation: 12+84=96 Exploring Operation: 84-12=72, Resulting Numbers: [31, 72] Generated Node #0,2,3: 93:[31, 72] Operation: 84-12=72 Exploring Operation: 12+31=43, Resulting Numbers: [84, 43] Generated Node #0,2,4: 93:[84, 43] Operation: 12+31=43 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 93:[31, 96], Operations: ['99-15=84', '12+84=96'] Exploring Operation: 31+96=127, Resulting Numbers: [127] 127,93 unequal: No Solution Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,93 unequal: No Solution Exploring Operation: 31*96=2976, Resulting Numbers: [2976] 2976,93 unequal: No Solution No 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: 93:[31, 7], Operations: ['99-15=84', '84/12=7'] Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,93 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,93 unequal: No Solution Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,93 unequal: No Solution No 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: 93:[84, 19], Operations: ['99-15=84', '31-12=19'] Exploring Operation: 84+19=103, Resulting Numbers: [103] 103,93 unequal: No Solution Exploring Operation: 84-19=65, Resulting Numbers: [65] 65,93 unequal: No Solution Exploring Operation: 84*19=1596, Resulting Numbers: [1596] 1596,93 unequal: No Solution No 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: 93:[31, 72], Operations: ['99-15=84', '84-12=72'] Exploring Operation: 31*72=2232, Resulting Numbers: [2232] 2232,93 unequal: No Solution Exploring Operation: 72-31=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 31+72=103, Resulting Numbers: [103] 103,93 unequal: No Solution No 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: 93:[84, 43], Operations: ['99-15=84', '12+31=43'] Exploring Operation: 84+43=127, Resulting Numbers: [127] 127,93 unequal: No Solution Exploring Operation: 84*43=3612, Resulting Numbers: [3612] 3612,93 unequal: No Solution Exploring Operation: 84-43=41, Resulting Numbers: [41] 41,93 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: 93:[99, 12, 16], Operations: ['31-15=16'] Exploring Operation: 12+16=28, Resulting Numbers: [99, 28] Generated Node #0,0,0: 93:[99, 28] Operation: 12+16=28 Exploring Operation: 16-12=4, Resulting Numbers: [99, 4] Generated Node #0,0,1: 93:[99, 4] Operation: 16-12=4 Exploring Operation: 99+12=111, Resulting Numbers: [16, 111] Generated Node #0,0,2: 93:[16, 111] Operation: 99+12=111 Exploring Operation: 99-16=83, Resulting Numbers: [12, 83] Generated Node #0,0,3: 93:[12, 83] Operation: 99-16=83 Exploring Operation: 99-12=87, Resulting Numbers: [16, 87] Generated Node #0,0,4: 93:[16, 87] Operation: 99-12=87 Moving to Node #0,0,1 Current State: 93:[99, 4], Operations: ['31-15=16', '16-12=4'] Exploring Operation: 99+4=103, Resulting Numbers: [103] 103,93 unequal: No Solution Exploring Operation: 99*4=396, Resulting Numbers: [396] 396,93 unequal: No Solution Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[99, 28], Operations: ['31-15=16', '12+16=28'] Exploring Operation: 99-28=71, Resulting Numbers: [71] 71,93 unequal: No Solution Exploring Operation: 99+28=127, Resulting Numbers: [127] 127,93 unequal: No Solution Exploring Operation: 99*28=2772, Resulting Numbers: [2772] 2772,93 unequal: No Solution Moving to Node #0,0,3 Current State: 93:[12, 83], Operations: ['31-15=16', '99-16=83'] Exploring Operation: 12+83=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,93 unequal: No Solution Exploring Operation: 12*83=996, Resulting Numbers: [996] 996,93 unequal: No Solution Moving to Node #0,0,4 Current State: 93:[16, 87], Operations: ['31-15=16', '99-12=87'] Exploring Operation: 87-16=71, Resulting Numbers: [71] 71,93 unequal: No Solution Exploring Operation: 16+87=103, Resulting Numbers: [103] 103,93 unequal: No Solution Exploring Operation: 16*87=1392, Resulting Numbers: [1392] 1392,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[16, 111], Operations: ['31-15=16', '99+12=111'] Exploring Operation: 16+111=127, Resulting Numbers: [127] 127,93 unequal: No Solution Exploring Operation: 16*111=1776, Resulting Numbers: [1776] 1776,93 unequal: No Solution Exploring Operation: 111-16=95, Resulting Numbers: [95] 95,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 33, 33, 2, 92 ]
79
[ "33+33=66", "92+66=158", "158/2=79" ]
Current State: 79:[33, 33, 2, 92], Operations: [] Exploring Operation: 33+33=66, Resulting Numbers: [2, 92, 66] Generated Node #2: [2, 92, 66] from Operation: 33+33=66 Current State: 79:[2, 92, 66], Operations: ['33+33=66'] Exploring Operation: 92+66=158, Resulting Numbers: [2, 158] Generated Node #3: [2, 158] from Operation: 92+66=158 Current State: 79:[2, 158], Operations: ['33+33=66', '92+66=158'] Exploring Operation: 158/2=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[33, 33, 2, 92], Operations: [] Exploring Operation: 33*2=66, Resulting Numbers: [33, 92, 66] Generated Node #0,0: 79:[33, 92, 66] Operation: 33*2=66 Exploring Operation: 33*2=66, Resulting Numbers: [33, 92, 66] Generated Node #0,1: 79:[33, 92, 66] Operation: 33*2=66 Moving to Node #0,0 Current State: 79:[33, 92, 66], Operations: ['33*2=66'] Exploring Operation: 33+66=99, Resulting Numbers: [92, 99] Generated Node #0,0,0: 79:[92, 99] Operation: 33+66=99 Exploring Operation: 92-33=59, Resulting Numbers: [66, 59] Generated Node #0,0,1: 79:[66, 59] Operation: 92-33=59 Moving to Node #0,1 Current State: 79:[33, 92, 66], Operations: ['33*2=66'] Exploring Operation: 92-33=59, Resulting Numbers: [66, 59] Generated Node #0,1,0: 79:[66, 59] Operation: 92-33=59 Exploring Operation: 33+66=99, Resulting Numbers: [92, 99] Generated Node #0,1,1: 79:[92, 99] Operation: 33+66=99 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[66, 59], Operations: ['33*2=66', '92-33=59'] Exploring Operation: 66-59=7, Resulting Numbers: [7] 7,79 unequal: No Solution Exploring Operation: 66+59=125, Resulting Numbers: [125] 125,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[92, 99], Operations: ['33*2=66', '33+66=99'] Exploring Operation: 92+99=191, Resulting Numbers: [191] 191,79 unequal: No Solution Exploring Operation: 99-92=7, Resulting Numbers: [7] 7,79 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: 79:[92, 99], Operations: ['33*2=66', '33+66=99'] Exploring Operation: 92+99=191, Resulting Numbers: [191] 191,79 unequal: No Solution Exploring Operation: 99-92=7, Resulting Numbers: [7] 7,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[66, 59], Operations: ['33*2=66', '92-33=59'] Exploring Operation: 66-59=7, Resulting Numbers: [7] 7,79 unequal: No Solution Exploring Operation: 66+59=125, Resulting Numbers: [125] 125,79 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 73, 52, 63, 30 ]
92
[ "73+52=125", "63-30=33", "125-33=92" ]
Current State: 92:[73, 52, 63, 30], Operations: [] Exploring Operation: 73+52=125, Resulting Numbers: [63, 30, 125] Generated Node #2: [63, 30, 125] from Operation: 73+52=125 Current State: 92:[63, 30, 125], Operations: ['73+52=125'] Exploring Operation: 63-30=33, Resulting Numbers: [125, 33] Generated Node #3: [125, 33] from Operation: 63-30=33 Current State: 92:[125, 33], Operations: ['73+52=125', '63-30=33'] Exploring Operation: 125-33=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[73, 52, 63, 30], Operations: [] Exploring Operation: 73-63=10, Resulting Numbers: [52, 30, 10] Generated Node #0,0: 92:[52, 30, 10] Operation: 73-63=10 Exploring Operation: 73-52=21, Resulting Numbers: [63, 30, 21] Generated Node #0,1: 92:[63, 30, 21] Operation: 73-52=21 Moving to Node #0,0 Current State: 92:[52, 30, 10], Operations: ['73-63=10'] Exploring Operation: 52-30=22, Resulting Numbers: [10, 22] Generated Node #0,0,0: 92:[10, 22] Operation: 52-30=22 Exploring Operation: 30/10=3, Resulting Numbers: [52, 3] Generated Node #0,0,1: 92:[52, 3] Operation: 30/10=3 Moving to Node #0,1 Current State: 92:[63, 30, 21], Operations: ['73-52=21'] Exploring Operation: 63+30=93, Resulting Numbers: [21, 93] Generated Node #0,1,0: 92:[21, 93] Operation: 63+30=93 Exploring Operation: 63/21=3, Resulting Numbers: [30, 3] Generated Node #0,1,1: 92:[30, 3] Operation: 63/21=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[21, 93], Operations: ['73-52=21', '63+30=93'] Exploring Operation: 21+93=114, Resulting Numbers: [114] 114,92 unequal: No Solution Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,92 unequal: No Solution No 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: 92:[30, 3], Operations: ['73-52=21', '63/21=3'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,92 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,92 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: 92:[10, 22], Operations: ['73-63=10', '52-30=22'] Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,92 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[52, 3], Operations: ['73-63=10', '30/10=3'] Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,92 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,92 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 86, 77, 17, 2 ]
90
[ "86+77=163", "17+163=180", "180/2=90" ]
Current State: 90:[86, 77, 17, 2], Operations: [] Exploring Operation: 86+77=163, Resulting Numbers: [17, 2, 163] Generated Node #2: [17, 2, 163] from Operation: 86+77=163 Current State: 90:[17, 2, 163], Operations: ['86+77=163'] Exploring Operation: 17+163=180, Resulting Numbers: [2, 180] Generated Node #3: [2, 180] from Operation: 17+163=180 Current State: 90:[2, 180], Operations: ['86+77=163', '17+163=180'] Exploring Operation: 180/2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[86, 77, 17, 2], Operations: [] Exploring Operation: 86+2=88, Resulting Numbers: [77, 17, 88] Generated Node #0,0: 90:[77, 17, 88] Operation: 86+2=88 Exploring Operation: 77+17=94, Resulting Numbers: [86, 2, 94] Generated Node #0,1: 90:[86, 2, 94] Operation: 77+17=94 Exploring Operation: 86-77=9, Resulting Numbers: [17, 2, 9] Generated Node #0,2: 90:[17, 2, 9] Operation: 86-77=9 Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[17, 2, 9], Operations: ['86-77=9'] Exploring Operation: 17-9=8, Resulting Numbers: [2, 8] Generated Node #0,2,0: 90:[2, 8] Operation: 17-9=8 Exploring Operation: 17-2=15, Resulting Numbers: [9, 15] Generated Node #0,2,1: 90:[9, 15] Operation: 17-2=15 Exploring Operation: 17+2=19, Resulting Numbers: [9, 19] Generated Node #0,2,2: 90:[9, 19] Operation: 17+2=19 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 90:[9, 15], Operations: ['86-77=9', '17-2=15'] Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,90 unequal: No Solution Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,90 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,90 unequal: No Solution No 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: 90:[2, 8], Operations: ['86-77=9', '17-9=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,90 unequal: No Solution No 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: 90:[9, 19], Operations: ['86-77=9', '17+2=19'] Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,90 unequal: No Solution Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,90 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,90 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: 90:[86, 2, 94], Operations: ['77+17=94'] Exploring Operation: 94-86=8, Resulting Numbers: [2, 8] Generated Node #0,1,0: 90:[2, 8] Operation: 94-86=8 Exploring Operation: 86/2=43, Resulting Numbers: [94, 43] Generated Node #0,1,1: 90:[94, 43] Operation: 86/2=43 Exploring Operation: 86+2=88, Resulting Numbers: [94, 88] Generated Node #0,1,2: 90:[94, 88] Operation: 86+2=88 Moving to Node #0,1,0 Current State: 90:[2, 8], Operations: ['77+17=94', '94-86=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[94, 43], Operations: ['77+17=94', '86/2=43'] Exploring Operation: 94+43=137, Resulting Numbers: [137] 137,90 unequal: No Solution Exploring Operation: 94-43=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 94*43=4042, Resulting Numbers: [4042] 4042,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[94, 88], Operations: ['77+17=94', '86+2=88'] Exploring Operation: 94-88=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 94+88=182, Resulting Numbers: [182] 182,90 unequal: No Solution Exploring Operation: 94*88=8272, Resulting Numbers: [8272] 8272,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[77, 17, 88], Operations: ['86+2=88'] Exploring Operation: 77-17=60, Resulting Numbers: [88, 60] Generated Node #0,0,0: 90:[88, 60] Operation: 77-17=60 Exploring Operation: 88-77=11, Resulting Numbers: [17, 11] Generated Node #0,0,1: 90:[17, 11] Operation: 88-77=11 Exploring Operation: 77+17=94, Resulting Numbers: [88, 94] Generated Node #0,0,2: 90:[88, 94] Operation: 77+17=94 Moving to Node #0,0,1 Current State: 90:[17, 11], Operations: ['86+2=88', '88-77=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,90 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,90 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[88, 94], Operations: ['86+2=88', '77+17=94'] Exploring Operation: 88+94=182, Resulting Numbers: [182] 182,90 unequal: No Solution Exploring Operation: 88*94=8272, Resulting Numbers: [8272] 8272,90 unequal: No Solution Exploring Operation: 94-88=6, Resulting Numbers: [6] 6,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[88, 60], Operations: ['86+2=88', '77-17=60'] Exploring Operation: 88*60=5280, Resulting Numbers: [5280] 5280,90 unequal: No Solution Exploring Operation: 88+60=148, Resulting Numbers: [148] 148,90 unequal: No Solution Exploring Operation: 88-60=28, Resulting Numbers: [28] 28,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 14, 55, 2, 55 ]
41
[ "14+55=69", "2*55=110", "110-69=41" ]
Current State: 41:[14, 55, 2, 55], Operations: [] Exploring Operation: 14+55=69, Resulting Numbers: [2, 69] Generated Node #2: [2, 69] from Operation: 14+55=69 Current State: 41:[2, 69], Operations: ['14+55=69'] Exploring Operation: 2*55=110, Resulting Numbers: [69, 110] Generated Node #3: [69, 110] from Operation: 2*55=110 Current State: 41:[69, 110], Operations: ['14+55=69', '2*55=110'] Exploring Operation: 110-69=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[14, 55, 2, 55], Operations: [] Exploring Operation: 55-14=41, Resulting Numbers: [2, 55, 41] Generated Node #0,0: 41:[2, 55, 41] Operation: 55-14=41 Exploring Operation: 14*2=28, Resulting Numbers: [55, 55, 28] Generated Node #0,1: 41:[55, 55, 28] Operation: 14*2=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[55, 55, 28], Operations: ['14*2=28'] Exploring Operation: 55-28=27, Resulting Numbers: [55, 27] Generated Node #0,1,0: 41:[55, 27] Operation: 55-28=27 Exploring Operation: 55-28=27, Resulting Numbers: [55, 27] Generated Node #0,1,1: 41:[55, 27] Operation: 55-28=27 Moving to Node #0,1,0 Current State: 41:[55, 27], Operations: ['14*2=28', '55-28=27'] Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 55+27=82, Resulting Numbers: [82] 82,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[55, 27], Operations: ['14*2=28', '55-28=27'] Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 55+27=82, Resulting Numbers: [82] 82,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[2, 55, 41], Operations: ['55-14=41'] Exploring Operation: 2+55=57, Resulting Numbers: [41, 57] Generated Node #0,0,0: 41:[41, 57] Operation: 2+55=57 Exploring Operation: 55-2=53, Resulting Numbers: [41, 53] Generated Node #0,0,1: 41:[41, 53] Operation: 55-2=53 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 41:[41, 53], Operations: ['55-14=41', '55-2=53'] Exploring Operation: 53-41=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 41+53=94, Resulting Numbers: [94] 94,41 unequal: No Solution No 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: 41:[41, 57], Operations: ['55-14=41', '2+55=57'] Exploring Operation: 41+57=98, Resulting Numbers: [98] 98,41 unequal: No Solution Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 76, 78, 10, 72 ]
67
[ "78-76=2", "10/2=5", "72-5=67" ]
Current State: 67:[76, 78, 10, 72], Operations: [] Exploring Operation: 78-76=2, Resulting Numbers: [10, 72, 2] Generated Node #2: [10, 72, 2] from Operation: 78-76=2 Current State: 67:[10, 72, 2], Operations: ['78-76=2'] Exploring Operation: 10/2=5, Resulting Numbers: [72, 5] Generated Node #3: [72, 5] from Operation: 10/2=5 Current State: 67:[72, 5], Operations: ['78-76=2', '10/2=5'] Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[76, 78, 10, 72], Operations: [] Exploring Operation: 78-10=68, Resulting Numbers: [76, 72, 68] Generated Node #0,0: 67:[76, 72, 68] Operation: 78-10=68 Exploring Operation: 76-10=66, Resulting Numbers: [78, 72, 66] Generated Node #0,1: 67:[78, 72, 66] Operation: 76-10=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[76, 72, 68], Operations: ['78-10=68'] Exploring Operation: 76-72=4, Resulting Numbers: [68, 4] Generated Node #0,0,0: 67:[68, 4] Operation: 76-72=4 Exploring Operation: 76-68=8, Resulting Numbers: [72, 8] Generated Node #0,0,1: 67:[72, 8] Operation: 76-68=8 Moving to Node #0,0,0 Current State: 67:[68, 4], Operations: ['78-10=68', '76-72=4'] Exploring Operation: 68+4=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 68-4=64, Resulting Numbers: [64] 64,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[72, 8], Operations: ['78-10=68', '76-68=8'] Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 72+8=80, Resulting Numbers: [80] 80,67 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:[78, 72, 66], Operations: ['76-10=66'] Exploring Operation: 78-66=12, Resulting Numbers: [72, 12] Generated Node #0,1,0: 67:[72, 12] Operation: 78-66=12 Exploring Operation: 78-72=6, Resulting Numbers: [66, 6] Generated Node #0,1,1: 67:[66, 6] Operation: 78-72=6 Moving to Node #0,1,0 Current State: 67:[72, 12], Operations: ['76-10=66', '78-66=12'] Exploring Operation: 72+12=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 72-12=60, Resulting Numbers: [60] 60,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[66, 6], Operations: ['76-10=66', '78-72=6'] Exploring Operation: 66+6=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,67 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
[ 52, 78, 23, 25 ]
22
[ "78-52=26", "23+25=48", "48-26=22" ]
Current State: 22:[52, 78, 23, 25], Operations: [] Exploring Operation: 78-52=26, Resulting Numbers: [23, 25, 26] Generated Node #2: [23, 25, 26] from Operation: 78-52=26 Current State: 22:[23, 25, 26], Operations: ['78-52=26'] Exploring Operation: 23+25=48, Resulting Numbers: [26, 48] Generated Node #3: [26, 48] from Operation: 23+25=48 Current State: 22:[26, 48], Operations: ['78-52=26', '23+25=48'] Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[52, 78, 23, 25], Operations: [] Exploring Operation: 52-25=27, Resulting Numbers: [78, 23, 27] Generated Node #0,0: 22:[78, 23, 27] Operation: 52-25=27 Exploring Operation: 78-52=26, Resulting Numbers: [23, 25, 26] Generated Node #0,1: 22:[23, 25, 26] Operation: 78-52=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[23, 25, 26], Operations: ['78-52=26'] Exploring Operation: 25-23=2, Resulting Numbers: [26, 2] Generated Node #0,1,0: 22:[26, 2] Operation: 25-23=2 Exploring Operation: 26-25=1, Resulting Numbers: [23, 1] Generated Node #0,1,1: 22:[23, 1] Operation: 26-25=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 22:[23, 1], Operations: ['78-52=26', '26-25=1'] Exploring Operation: 23*1=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[52, 78, 23, 25], Operations: [] Exploring Operation: 78-52=26, Resulting Numbers: [23, 25, 26] Generated Node #0,1: 22:[23, 25, 26] Operation: 78-52=26 Moving to Node #0,1 Current State: 22:[23, 25, 26], Operations: ['78-52=26'] Exploring Operation: 26-25=1, Resulting Numbers: [23, 1] Generated Node #0,1,1: 22:[23, 1] Operation: 26-25=1 Moving to Node #0,1,1 Current State: 22:[23, 1], Operations: ['78-52=26', '26-25=1'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 36, 87, 55, 38 ]
23
[ "38-36=2", "55*2=110", "110-87=23" ]
Current State: 23:[36, 87, 55, 38], Operations: [] Exploring Operation: 38-36=2, Resulting Numbers: [87, 55, 2] Generated Node #2: [87, 55, 2] from Operation: 38-36=2 Current State: 23:[87, 55, 2], Operations: ['38-36=2'] Exploring Operation: 55*2=110, Resulting Numbers: [87, 110] Generated Node #3: [87, 110] from Operation: 55*2=110 Current State: 23:[87, 110], Operations: ['38-36=2', '55*2=110'] Exploring Operation: 110-87=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[36, 87, 55, 38], Operations: [] Exploring Operation: 87-55=32, Resulting Numbers: [36, 38, 32] Generated Node #0,0: 23:[36, 38, 32] Operation: 87-55=32 Exploring Operation: 87-38=49, Resulting Numbers: [36, 55, 49] Generated Node #0,1: 23:[36, 55, 49] Operation: 87-38=49 Exploring Operation: 55-36=19, Resulting Numbers: [87, 38, 19] Generated Node #0,2: 23:[87, 38, 19] Operation: 55-36=19 Exploring Operation: 87-36=51, Resulting Numbers: [55, 38, 51] Generated Node #0,3: 23:[55, 38, 51] Operation: 87-36=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[36, 38, 32], Operations: ['87-55=32'] Exploring Operation: 38-32=6, Resulting Numbers: [36, 6] Generated Node #0,0,0: 23:[36, 6] Operation: 38-32=6 Exploring Operation: 36+38=74, Resulting Numbers: [32, 74] Generated Node #0,0,1: 23:[32, 74] Operation: 36+38=74 Exploring Operation: 36-32=4, Resulting Numbers: [38, 4] Generated Node #0,0,2: 23:[38, 4] Operation: 36-32=4 Exploring Operation: 38-36=2, Resulting Numbers: [32, 2] Generated Node #0,0,3: 23:[32, 2] Operation: 38-36=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[36, 6], Operations: ['87-55=32', '38-32=6'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 36*6=216, Resulting Numbers: [216] 216,23 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 23:[32, 2], Operations: ['87-55=32', '38-36=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,23 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[38, 4], Operations: ['87-55=32', '36-32=4'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 38*4=152, Resulting Numbers: [152] 152,23 unequal: No Solution Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[32, 74], Operations: ['87-55=32', '36+38=74'] Exploring Operation: 74-32=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 32+74=106, Resulting Numbers: [106] 106,23 unequal: No Solution Exploring Operation: 32*74=2368, Resulting Numbers: [2368] 2368,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[36, 55, 49], Operations: ['87-38=49'] Exploring Operation: 36+55=91, Resulting Numbers: [49, 91] Generated Node #0,1,0: 23:[49, 91] Operation: 36+55=91 Exploring Operation: 55-49=6, Resulting Numbers: [36, 6] Generated Node #0,1,1: 23:[36, 6] Operation: 55-49=6 Exploring Operation: 49-36=13, Resulting Numbers: [55, 13] Generated Node #0,1,2: 23:[55, 13] Operation: 49-36=13 Exploring Operation: 55-36=19, Resulting Numbers: [49, 19] Generated Node #0,1,3: 23:[49, 19] Operation: 55-36=19 Moving to Node #0,1,1 Current State: 23:[36, 6], Operations: ['87-38=49', '55-49=6'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 36*6=216, Resulting Numbers: [216] 216,23 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,23 unequal: No Solution Moving to Node #0,1,3 Current State: 23:[49, 19], Operations: ['87-38=49', '55-36=19'] Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 49+19=68, Resulting Numbers: [68] 68,23 unequal: No Solution Exploring Operation: 49*19=931, Resulting Numbers: [931] 931,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[55, 13], Operations: ['87-38=49', '49-36=13'] Exploring Operation: 55+13=68, Resulting Numbers: [68] 68,23 unequal: No Solution Exploring Operation: 55*13=715, Resulting Numbers: [715] 715,23 unequal: No Solution Exploring Operation: 55-13=42, Resulting Numbers: [42] 42,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[49, 91], Operations: ['87-38=49', '36+55=91'] Exploring Operation: 91-49=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 49+91=140, Resulting Numbers: [140] 140,23 unequal: No Solution Exploring Operation: 49*91=4459, Resulting Numbers: [4459] 4459,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[55, 38, 51], Operations: ['87-36=51'] Exploring Operation: 55-51=4, Resulting Numbers: [38, 4] Generated Node #0,3,0: 23:[38, 4] Operation: 55-51=4 Exploring Operation: 55+38=93, Resulting Numbers: [51, 93] Generated Node #0,3,1: 23:[51, 93] Operation: 55+38=93 Exploring Operation: 55-38=17, Resulting Numbers: [51, 17] Generated Node #0,3,2: 23:[51, 17] Operation: 55-38=17 Exploring Operation: 51-38=13, Resulting Numbers: [55, 13] Generated Node #0,3,3: 23:[55, 13] Operation: 51-38=13 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 23:[38, 4], Operations: ['87-36=51', '55-51=4'] Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 38*4=152, Resulting Numbers: [152] 152,23 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 23:[51, 17], Operations: ['87-36=51', '55-38=17'] Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,23 unequal: No Solution Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 51*17=867, Resulting Numbers: [867] 867,23 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 23:[55, 13], Operations: ['87-36=51', '51-38=13'] Exploring Operation: 55-13=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 55+13=68, Resulting Numbers: [68] 68,23 unequal: No Solution Exploring Operation: 55*13=715, Resulting Numbers: [715] 715,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 23:[51, 93], Operations: ['87-36=51', '55+38=93'] Exploring Operation: 51+93=144, Resulting Numbers: [144] 144,23 unequal: No Solution Exploring Operation: 93-51=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 51*93=4743, Resulting Numbers: [4743] 4743,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[87, 38, 19], Operations: ['55-36=19'] Exploring Operation: 38-19=19, Resulting Numbers: [87, 19] Generated Node #0,2,0: 23:[87, 19] Operation: 38-19=19 Exploring Operation: 38/19=2, Resulting Numbers: [87, 2] Generated Node #0,2,1: 23:[87, 2] Operation: 38/19=2 Exploring Operation: 87-38=49, Resulting Numbers: [19, 49] Generated Node #0,2,2: 23:[19, 49] Operation: 87-38=49 Exploring Operation: 87-19=68, Resulting Numbers: [38, 68] Generated Node #0,2,3: 23:[38, 68] Operation: 87-19=68 Moving to Node #0,2,2 Current State: 23:[19, 49], Operations: ['55-36=19', '87-38=49'] Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 19+49=68, Resulting Numbers: [68] 68,23 unequal: No Solution Exploring Operation: 19*49=931, Resulting Numbers: [931] 931,23 unequal: No Solution Moving to Node #0,2,3 Current State: 23:[38, 68], Operations: ['55-36=19', '87-19=68'] Exploring Operation: 68-38=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 38*68=2584, Resulting Numbers: [2584] 2584,23 unequal: No Solution Exploring Operation: 38+68=106, Resulting Numbers: [106] 106,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[87, 19], Operations: ['55-36=19', '38-19=19'] Exploring Operation: 87*19=1653, Resulting Numbers: [1653] 1653,23 unequal: No Solution Exploring Operation: 87-19=68, Resulting Numbers: [68] 68,23 unequal: No Solution Exploring Operation: 87+19=106, Resulting Numbers: [106] 106,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[87, 2], Operations: ['55-36=19', '38/19=2'] Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,23 unequal: No Solution Exploring Operation: 87*2=174, Resulting Numbers: [174] 174,23 unequal: No Solution Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,23 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
[ 43, 27, 7, 2 ]
18
[ "43-27=16", "16-7=9", "2*9=18" ]
Current State: 18:[43, 27, 7, 2], Operations: [] Exploring Operation: 43-27=16, Resulting Numbers: [7, 2, 16] Generated Node #2: [7, 2, 16] from Operation: 43-27=16 Current State: 18:[7, 2, 16], Operations: ['43-27=16'] Exploring Operation: 16-7=9, Resulting Numbers: [2, 9] Generated Node #3: [2, 9] from Operation: 16-7=9 Current State: 18:[2, 9], Operations: ['43-27=16', '16-7=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[43, 27, 7, 2], Operations: [] Exploring Operation: 43-27=16, Resulting Numbers: [7, 2, 16] Generated Node #0,0: 18:[7, 2, 16] Operation: 43-27=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[7, 2, 16], Operations: ['43-27=16'] Exploring Operation: 16-7=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 18:[2, 9] Operation: 16-7=9 Moving to Node #0,0,0 Current State: 18:[2, 9], Operations: ['43-27=16', '16-7=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[43, 27, 7, 2], Operations: [] Exploring Operation: 43-27=16, Resulting Numbers: [7, 2, 16] Generated Node #0,0: 18:[7, 2, 16] Operation: 43-27=16 Moving to Node #0,0 Current State: 18:[7, 2, 16], Operations: ['43-27=16'] Exploring Operation: 16-7=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 18:[2, 9] Operation: 16-7=9 Moving to Node #0,0,0 Current State: 18:[2, 9], Operations: ['43-27=16', '16-7=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 88, 67, 36, 48 ]
48
[ "88*36=3168", "67*48=3216", "3216-3168=48" ]
Current State: 48:[88, 67, 36, 48], Operations: [] Exploring Operation: 88*36=3168, Resulting Numbers: [67, 48, 3168] Generated Node #2: [67, 48, 3168] from Operation: 88*36=3168 Current State: 48:[67, 48, 3168], Operations: ['88*36=3168'] Exploring Operation: 67*48=3216, Resulting Numbers: [3168, 3216] Generated Node #3: [3168, 3216] from Operation: 67*48=3216 Current State: 48:[3168, 3216], Operations: ['88*36=3168', '67*48=3216'] Exploring Operation: 3216-3168=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[88, 67, 36, 48], Operations: [] Exploring Operation: 88-67=21, Resulting Numbers: [36, 48, 21] Generated Node #0,0: 48:[36, 48, 21] Operation: 88-67=21 Exploring Operation: 88-48=40, Resulting Numbers: [67, 36, 40] Generated Node #0,1: 48:[67, 36, 40] Operation: 88-48=40 Exploring Operation: 88-36=52, Resulting Numbers: [67, 48, 52] Generated Node #0,2: 48:[67, 48, 52] Operation: 88-36=52 Moving to Node #0,0 Current State: 48:[36, 48, 21], Operations: ['88-67=21'] Exploring Operation: 36-21=15, Resulting Numbers: [48, 15] Generated Node #0,0,0: 48:[48, 15] Operation: 36-21=15 Exploring Operation: 36+21=57, Resulting Numbers: [48, 57] Generated Node #0,0,1: 48:[48, 57] Operation: 36+21=57 Exploring Operation: 48-36=12, Resulting Numbers: [21, 12] Generated Node #0,0,2: 48:[21, 12] Operation: 48-36=12 Moving to Node #0,2 Current State: 48:[67, 48, 52], Operations: ['88-36=52'] Exploring Operation: 67-52=15, Resulting Numbers: [48, 15] Generated Node #0,2,0: 48:[48, 15] Operation: 67-52=15 Exploring Operation: 67-48=19, Resulting Numbers: [52, 19] Generated Node #0,2,1: 48:[52, 19] Operation: 67-48=19 Exploring Operation: 52-48=4, Resulting Numbers: [67, 4] Generated Node #0,2,2: 48:[67, 4] Operation: 52-48=4 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 48:[48, 15], Operations: ['88-36=52', '67-52=15'] Exploring Operation: 48*15=720, Resulting Numbers: [720] 720,48 unequal: No Solution Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 48:[52, 19], Operations: ['88-36=52', '67-48=19'] Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,48 unequal: No Solution Exploring Operation: 52+19=71, Resulting Numbers: [71] 71,48 unequal: No Solution Exploring Operation: 52*19=988, Resulting Numbers: [988] 988,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 48:[67, 4], Operations: ['88-36=52', '52-48=4'] Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,48 unequal: No Solution Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,48 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: 48:[67, 36, 40], Operations: ['88-48=40'] Exploring Operation: 67-40=27, Resulting Numbers: [36, 27] Generated Node #0,1,0: 48:[36, 27] Operation: 67-40=27 Exploring Operation: 40-36=4, Resulting Numbers: [67, 4] Generated Node #0,1,1: 48:[67, 4] Operation: 40-36=4 Exploring Operation: 67-36=31, Resulting Numbers: [40, 31] Generated Node #0,1,2: 48:[40, 31] Operation: 67-36=31 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[36, 27], Operations: ['88-48=40', '67-40=27'] Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 36+27=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 36*27=972, Resulting Numbers: [972] 972,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[40, 31], Operations: ['88-48=40', '67-36=31'] Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 40*31=1240, Resulting Numbers: [1240] 1240,48 unequal: No Solution Exploring Operation: 40+31=71, Resulting Numbers: [71] 71,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[67, 4], Operations: ['88-48=40', '40-36=4'] Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,48 unequal: No Solution Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,48 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,48 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: 48:[48, 15], Operations: ['88-67=21', '36-21=15'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,48 unequal: No Solution Exploring Operation: 48*15=720, Resulting Numbers: [720] 720,48 unequal: No Solution Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,48 unequal: No Solution Moving to Node #0,0,2 Current State: 48:[21, 12], Operations: ['88-67=21', '48-36=12'] Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,48 unequal: No Solution Exploring Operation: 21*12=252, Resulting Numbers: [252] 252,48 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[48, 57], Operations: ['88-67=21', '36+21=57'] Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,48 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,48 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 4, 40, 32, 60 ]
63
[ "32+60=92", "92/4=23", "40+23=63" ]
Current State: 63:[4, 40, 32, 60], Operations: [] Exploring Operation: 32+60=92, Resulting Numbers: [4, 40, 92] Generated Node #2: [4, 40, 92] from Operation: 32+60=92 Current State: 63:[4, 40, 92], Operations: ['32+60=92'] Exploring Operation: 92/4=23, Resulting Numbers: [40, 23] Generated Node #3: [40, 23] from Operation: 92/4=23 Current State: 63:[40, 23], Operations: ['32+60=92', '92/4=23'] Exploring Operation: 40+23=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[4, 40, 32, 60], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [4, 60, 8] Generated Node #0,0: 63:[4, 60, 8] Operation: 40-32=8 Moving to Node #0,0 Current State: 63:[4, 60, 8], Operations: ['40-32=8'] Exploring Operation: 4+60=64, Resulting Numbers: [8, 64] Generated Node #0,0,0: 63:[8, 64] Operation: 4+60=64 Moving to Node #0,0,0 Current State: 63:[8, 64], Operations: ['40-32=8', '4+60=64'] Exploring Operation: 64/8=8, Resulting Numbers: [8] 8,63 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 90, 92, 33, 53 ]
18
[ "92-90=2", "53-33=20", "20-2=18" ]
Current State: 18:[90, 92, 33, 53], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [33, 53, 2] Generated Node #2: [33, 53, 2] from Operation: 92-90=2 Current State: 18:[33, 53, 2], Operations: ['92-90=2'] Exploring Operation: 53-33=20, Resulting Numbers: [2, 20] Generated Node #3: [2, 20] from Operation: 53-33=20 Current State: 18:[2, 20], Operations: ['92-90=2', '53-33=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[90, 92, 33, 53], Operations: [] Exploring Operation: 92-53=39, Resulting Numbers: [90, 33, 39] Generated Node #0,0: 18:[90, 33, 39] Operation: 92-53=39 Exploring Operation: 90-53=37, Resulting Numbers: [92, 33, 37] Generated Node #0,1: 18:[92, 33, 37] Operation: 90-53=37 Exploring Operation: 92-90=2, Resulting Numbers: [33, 53, 2] Generated Node #0,2: 18:[33, 53, 2] Operation: 92-90=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[33, 53, 2], Operations: ['92-90=2'] Exploring Operation: 53-2=51, Resulting Numbers: [33, 51] Generated Node #0,2,0: 18:[33, 51] Operation: 53-2=51 Exploring Operation: 53-33=20, Resulting Numbers: [2, 20] Generated Node #0,2,1: 18:[2, 20] Operation: 53-33=20 Exploring Operation: 33-2=31, Resulting Numbers: [53, 31] Generated Node #0,2,2: 18:[53, 31] Operation: 33-2=31 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 18:[2, 20], Operations: ['92-90=2', '53-33=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[90, 92, 33, 53], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [33, 53, 2] Generated Node #0,2: 18:[33, 53, 2] Operation: 92-90=2 Moving to Node #0,2 Current State: 18:[33, 53, 2], Operations: ['92-90=2'] Exploring Operation: 53-33=20, Resulting Numbers: [2, 20] Generated Node #0,2,1: 18:[2, 20] Operation: 53-33=20 Moving to Node #0,2,1 Current State: 18:[2, 20], Operations: ['92-90=2', '53-33=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 36, 2, 45, 41 ]
28
[ "45-41=4", "2*4=8", "36-8=28" ]
Current State: 28:[36, 2, 45, 41], Operations: [] Exploring Operation: 45-41=4, Resulting Numbers: [36, 2, 4] Generated Node #2: [36, 2, 4] from Operation: 45-41=4 Current State: 28:[36, 2, 4], Operations: ['45-41=4'] Exploring Operation: 2*4=8, Resulting Numbers: [36, 8] Generated Node #3: [36, 8] from Operation: 2*4=8 Current State: 28:[36, 8], Operations: ['45-41=4', '2*4=8'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[36, 2, 45, 41], Operations: [] Exploring Operation: 41-36=5, Resulting Numbers: [2, 45, 5] Generated Node #0,0: 28:[2, 45, 5] Operation: 41-36=5 Exploring Operation: 36/2=18, Resulting Numbers: [45, 41, 18] Generated Node #0,1: 28:[45, 41, 18] Operation: 36/2=18 Exploring Operation: 45-41=4, Resulting Numbers: [36, 2, 4] Generated Node #0,2: 28:[36, 2, 4] Operation: 45-41=4 Exploring Operation: 45-36=9, Resulting Numbers: [2, 41, 9] Generated Node #0,3: 28:[2, 41, 9] Operation: 45-36=9 Moving to Node #0,2 Current State: 28:[36, 2, 4], Operations: ['45-41=4'] Exploring Operation: 36/2=18, Resulting Numbers: [4, 18] Generated Node #0,2,0: 28:[4, 18] Operation: 36/2=18 Exploring Operation: 36/4=9, Resulting Numbers: [2, 9] Generated Node #0,2,1: 28:[2, 9] Operation: 36/4=9 Exploring Operation: 36-2=34, Resulting Numbers: [4, 34] Generated Node #0,2,2: 28:[4, 34] Operation: 36-2=34 Exploring Operation: 36-4=32, Resulting Numbers: [2, 32] Generated Node #0,2,3: 28:[2, 32] Operation: 36-4=32 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 28:[2, 9], Operations: ['45-41=4', '36/4=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 28:[4, 18], Operations: ['45-41=4', '36/2=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,28 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,28 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 28:[2, 32], Operations: ['45-41=4', '36-4=32'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,28 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,28 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 28:[4, 34], Operations: ['45-41=4', '36-2=34'] Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,28 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,28 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,28 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: 28:[2, 41, 9], Operations: ['45-36=9'] Exploring Operation: 41-2=39, Resulting Numbers: [9, 39] Generated Node #0,3,0: 28:[9, 39] Operation: 41-2=39 Exploring Operation: 41-9=32, Resulting Numbers: [2, 32] Generated Node #0,3,1: 28:[2, 32] Operation: 41-9=32 Exploring Operation: 9-2=7, Resulting Numbers: [41, 7] Generated Node #0,3,2: 28:[41, 7] Operation: 9-2=7 Exploring Operation: 2+9=11, Resulting Numbers: [41, 11] Generated Node #0,3,3: 28:[41, 11] Operation: 2+9=11 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 28:[2, 32], Operations: ['45-36=9', '41-9=32'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,28 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,28 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 28:[9, 39], Operations: ['45-36=9', '41-2=39'] Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,28 unequal: No Solution Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,28 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 28:[41, 7], Operations: ['45-36=9', '9-2=7'] Exploring Operation: 41*7=287, Resulting Numbers: [287] 287,28 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,28 unequal: No Solution Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 28:[41, 11], Operations: ['45-36=9', '2+9=11'] Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,28 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,28 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: 28:[2, 45, 5], Operations: ['41-36=5'] Exploring Operation: 45/5=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 28:[2, 9] Operation: 45/5=9 Exploring Operation: 45-5=40, Resulting Numbers: [2, 40] Generated Node #0,0,1: 28:[2, 40] Operation: 45-5=40 Exploring Operation: 2+5=7, Resulting Numbers: [45, 7] Generated Node #0,0,2: 28:[45, 7] Operation: 2+5=7 Exploring Operation: 45-2=43, Resulting Numbers: [5, 43] Generated Node #0,0,3: 28:[5, 43] Operation: 45-2=43 Moving to Node #0,1 Current State: 28:[45, 41, 18], Operations: ['36/2=18'] Exploring Operation: 45+18=63, Resulting Numbers: [41, 63] Generated Node #0,1,0: 28:[41, 63] Operation: 45+18=63 Exploring Operation: 45-41=4, Resulting Numbers: [18, 4] Generated Node #0,1,1: 28:[18, 4] Operation: 45-41=4 Exploring Operation: 45-18=27, Resulting Numbers: [41, 27] Generated Node #0,1,2: 28:[41, 27] Operation: 45-18=27 Exploring Operation: 41-18=23, Resulting Numbers: [45, 23] Generated Node #0,1,3: 28:[45, 23] Operation: 41-18=23 Moving to Node #0,0,0 Current State: 28:[2, 9], Operations: ['41-36=5', '45/5=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,28 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[18, 4], Operations: ['36/2=18', '45-41=4'] Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,28 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[2, 40], Operations: ['41-36=5', '45-5=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,28 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,28 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,28 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,28 unequal: No Solution Moving to Node #0,1,2 Current State: 28:[41, 27], Operations: ['36/2=18', '45-18=27'] Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 41+27=68, Resulting Numbers: [68] 68,28 unequal: No Solution Exploring Operation: 41*27=1107, Resulting Numbers: [1107] 1107,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[5, 43], Operations: ['41-36=5', '45-2=43'] Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,28 unequal: No Solution Exploring Operation: 5*43=215, Resulting Numbers: [215] 215,28 unequal: No Solution Exploring Operation: 5+43=48, Resulting Numbers: [48] 48,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[45, 7], Operations: ['41-36=5', '2+5=7'] Exploring Operation: 45+7=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 45*7=315, Resulting Numbers: [315] 315,28 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,28 unequal: No Solution Moving to Node #0,1,3 Current State: 28:[45, 23], Operations: ['36/2=18', '41-18=23'] Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,28 unequal: No Solution Exploring Operation: 45*23=1035, Resulting Numbers: [1035] 1035,28 unequal: No Solution Exploring Operation: 45+23=68, Resulting Numbers: [68] 68,28 unequal: No Solution Moving to Node #0,1,0 Current State: 28:[41, 63], Operations: ['36/2=18', '45+18=63'] Exploring Operation: 41*63=2583, Resulting Numbers: [2583] 2583,28 unequal: No Solution Exploring Operation: 63-41=22, Resulting Numbers: [22] 22,28 unequal: No Solution Exploring Operation: 41+63=104, Resulting Numbers: [104] 104,28 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 88, 36, 98, 8 ]
51
[ "88/8=11", "98-36=62", "62-11=51" ]
Current State: 51:[88, 36, 98, 8], Operations: [] Exploring Operation: 88/8=11, Resulting Numbers: [36, 98, 11] Generated Node #2: [36, 98, 11] from Operation: 88/8=11 Current State: 51:[36, 98, 11], Operations: ['88/8=11'] Exploring Operation: 98-36=62, Resulting Numbers: [11, 62] Generated Node #3: [11, 62] from Operation: 98-36=62 Current State: 51:[11, 62], Operations: ['88/8=11', '98-36=62'] Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[88, 36, 98, 8], Operations: [] Exploring Operation: 98-88=10, Resulting Numbers: [36, 8, 10] Generated Node #0,0: 51:[36, 8, 10] Operation: 98-88=10 Exploring Operation: 98-36=62, Resulting Numbers: [88, 8, 62] Generated Node #0,1: 51:[88, 8, 62] Operation: 98-36=62 Exploring Operation: 88/8=11, Resulting Numbers: [36, 98, 11] Generated Node #0,2: 51:[36, 98, 11] Operation: 88/8=11 Exploring Operation: 88-36=52, Resulting Numbers: [98, 8, 52] Generated Node #0,3: 51:[98, 8, 52] Operation: 88-36=52 Moving to Node #0,0 Current State: 51:[36, 8, 10], Operations: ['98-88=10'] Exploring Operation: 8+10=18, Resulting Numbers: [36, 18] Generated Node #0,0,0: 51:[36, 18] Operation: 8+10=18 Exploring Operation: 36+8=44, Resulting Numbers: [10, 44] Generated Node #0,0,1: 51:[10, 44] Operation: 36+8=44 Exploring Operation: 36+10=46, Resulting Numbers: [8, 46] Generated Node #0,0,2: 51:[8, 46] Operation: 36+10=46 Exploring Operation: 36-10=26, Resulting Numbers: [8, 26] Generated Node #0,0,3: 51:[8, 26] Operation: 36-10=26 Moving to Node #0,3 Current State: 51:[98, 8, 52], Operations: ['88-36=52'] Exploring Operation: 52-8=44, Resulting Numbers: [98, 44] Generated Node #0,3,0: 51:[98, 44] Operation: 52-8=44 Exploring Operation: 98-52=46, Resulting Numbers: [8, 46] Generated Node #0,3,1: 51:[8, 46] Operation: 98-52=46 Exploring Operation: 98-8=90, Resulting Numbers: [52, 90] Generated Node #0,3,2: 51:[52, 90] Operation: 98-8=90 Exploring Operation: 98+8=106, Resulting Numbers: [52, 106] Generated Node #0,3,3: 51:[52, 106] Operation: 98+8=106 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 51:[8, 46], Operations: ['88-36=52', '98-52=46'] Exploring Operation: 8+46=54, Resulting Numbers: [54] 54,51 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,51 unequal: No Solution Exploring Operation: 8*46=368, Resulting Numbers: [368] 368,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 51:[52, 90], Operations: ['88-36=52', '98-8=90'] Exploring Operation: 90-52=38, Resulting Numbers: [38] 38,51 unequal: No Solution Exploring Operation: 52+90=142, Resulting Numbers: [142] 142,51 unequal: No Solution Exploring Operation: 52*90=4680, Resulting Numbers: [4680] 4680,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 51:[98, 44], Operations: ['88-36=52', '52-8=44'] Exploring Operation: 98*44=4312, Resulting Numbers: [4312] 4312,51 unequal: No Solution Exploring Operation: 98+44=142, Resulting Numbers: [142] 142,51 unequal: No Solution Exploring Operation: 98-44=54, Resulting Numbers: [54] 54,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 51:[52, 106], Operations: ['88-36=52', '98+8=106'] Exploring Operation: 52+106=158, Resulting Numbers: [158] 158,51 unequal: No Solution Exploring Operation: 106-52=54, Resulting Numbers: [54] 54,51 unequal: No Solution Exploring Operation: 52*106=5512, Resulting Numbers: [5512] 5512,51 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: 51:[88, 8, 62], Operations: ['98-36=62'] Exploring Operation: 88-8=80, Resulting Numbers: [62, 80] Generated Node #0,1,0: 51:[62, 80] Operation: 88-8=80 Exploring Operation: 62-8=54, Resulting Numbers: [88, 54] Generated Node #0,1,1: 51:[88, 54] Operation: 62-8=54 Exploring Operation: 88/8=11, Resulting Numbers: [62, 11] Generated Node #0,1,2: 51:[62, 11] Operation: 88/8=11 Exploring Operation: 88-62=26, Resulting Numbers: [8, 26] Generated Node #0,1,3: 51:[8, 26] Operation: 88-62=26 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 51:[8, 26], Operations: ['98-36=62', '88-62=26'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,51 unequal: No Solution Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,51 unequal: No Solution Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[62, 11], Operations: ['98-36=62', '88/8=11'] Exploring Operation: 62+11=73, Resulting Numbers: [73] 73,51 unequal: No Solution Exploring Operation: 62*11=682, Resulting Numbers: [682] 682,51 unequal: No Solution Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[88, 36, 98, 8], Operations: [] Exploring Operation: 98-36=62, Resulting Numbers: [88, 8, 62] Generated Node #0,1: 51:[88, 8, 62] Operation: 98-36=62 Moving to Node #0,1 Current State: 51:[88, 8, 62], Operations: ['98-36=62'] Exploring Operation: 88/8=11, Resulting Numbers: [62, 11] Generated Node #0,1,2: 51:[62, 11] Operation: 88/8=11 Moving to Node #0,1,2 Current State: 51:[62, 11], Operations: ['98-36=62', '88/8=11'] Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
mult_heuristic
[ 26, 59, 4, 24 ]
61
[ "59-26=33", "4+24=28", "33+28=61" ]
Current State: 61:[26, 59, 4, 24], Operations: [] Exploring Operation: 59-26=33, Resulting Numbers: [4, 24, 33] Generated Node #2: [4, 24, 33] from Operation: 59-26=33 Current State: 61:[4, 24, 33], Operations: ['59-26=33'] Exploring Operation: 4+24=28, Resulting Numbers: [33, 28] Generated Node #3: [33, 28] from Operation: 4+24=28 Current State: 61:[33, 28], Operations: ['59-26=33', '4+24=28'] Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[26, 59, 4, 24], Operations: [] Exploring Operation: 4+24=28, Resulting Numbers: [26, 59, 28] Generated Node #0,0: 61:[26, 59, 28] Operation: 4+24=28 Exploring Operation: 26+24=50, Resulting Numbers: [59, 4, 50] Generated Node #0,1: 61:[59, 4, 50] Operation: 26+24=50 Exploring Operation: 26+4=30, Resulting Numbers: [59, 24, 30] Generated Node #0,2: 61:[59, 24, 30] Operation: 26+4=30 Exploring Operation: 59+4=63, Resulting Numbers: [26, 24, 63] Generated Node #0,3: 61:[26, 24, 63] Operation: 59+4=63 Exploring Operation: 4*24=96, Resulting Numbers: [26, 59, 96] Generated Node #0,4: 61:[26, 59, 96] Operation: 4*24=96 Moving to Node #0,0 Current State: 61:[26, 59, 28], Operations: ['4+24=28'] Exploring Operation: 59-26=33, Resulting Numbers: [28, 33] Generated Node #0,0,0: 61:[28, 33] Operation: 59-26=33 Exploring Operation: 59+28=87, Resulting Numbers: [26, 87] Generated Node #0,0,1: 61:[26, 87] Operation: 59+28=87 Exploring Operation: 28-26=2, Resulting Numbers: [59, 2] Generated Node #0,0,2: 61:[59, 2] Operation: 28-26=2 Exploring Operation: 26+59=85, Resulting Numbers: [28, 85] Generated Node #0,0,3: 61:[28, 85] Operation: 26+59=85 Exploring Operation: 26+28=54, Resulting Numbers: [59, 54] Generated Node #0,0,4: 61:[59, 54] Operation: 26+28=54 Moving to Node #0,2 Current State: 61:[59, 24, 30], Operations: ['26+4=30'] Exploring Operation: 59-24=35, Resulting Numbers: [30, 35] Generated Node #0,2,0: 61:[30, 35] Operation: 59-24=35 Exploring Operation: 59+30=89, Resulting Numbers: [24, 89] Generated Node #0,2,1: 61:[24, 89] Operation: 59+30=89 Exploring Operation: 59+24=83, Resulting Numbers: [30, 83] Generated Node #0,2,2: 61:[30, 83] Operation: 59+24=83 Exploring Operation: 24+30=54, Resulting Numbers: [59, 54] Generated Node #0,2,3: 61:[59, 54] Operation: 24+30=54 Exploring Operation: 30-24=6, Resulting Numbers: [59, 6] Generated Node #0,2,4: 61:[59, 6] Operation: 30-24=6 Moving to Node #0,1 Current State: 61:[59, 4, 50], Operations: ['26+24=50'] Exploring Operation: 59-4=55, Resulting Numbers: [50, 55] Generated Node #0,1,0: 61:[50, 55] Operation: 59-4=55 Exploring Operation: 4+50=54, Resulting Numbers: [59, 54] Generated Node #0,1,1: 61:[59, 54] Operation: 4+50=54 Exploring Operation: 50-4=46, Resulting Numbers: [59, 46] Generated Node #0,1,2: 61:[59, 46] Operation: 50-4=46 Exploring Operation: 59+4=63, Resulting Numbers: [50, 63] Generated Node #0,1,3: 61:[50, 63] Operation: 59+4=63 Exploring Operation: 59+50=109, Resulting Numbers: [4, 109] Generated Node #0,1,4: 61:[4, 109] Operation: 59+50=109 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[59, 54], Operations: ['26+24=50', '4+50=54'] Exploring Operation: 59*54=3186, Resulting Numbers: [3186] 3186,61 unequal: No Solution Exploring Operation: 59+54=113, Resulting Numbers: [113] 113,61 unequal: No Solution Exploring Operation: 59-54=5, Resulting Numbers: [5] 5,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 61:[50, 63], Operations: ['26+24=50', '59+4=63'] Exploring Operation: 50+63=113, Resulting Numbers: [113] 113,61 unequal: No Solution Exploring Operation: 50*63=3150, Resulting Numbers: [3150] 3150,61 unequal: No Solution Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[50, 55], Operations: ['26+24=50', '59-4=55'] Exploring Operation: 50*55=2750, Resulting Numbers: [2750] 2750,61 unequal: No Solution Exploring Operation: 50+55=105, Resulting Numbers: [105] 105,61 unequal: No Solution Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 61:[59, 46], Operations: ['26+24=50', '50-4=46'] Exploring Operation: 59-46=13, Resulting Numbers: [13] 13,61 unequal: No Solution Exploring Operation: 59*46=2714, Resulting Numbers: [2714] 2714,61 unequal: No Solution Exploring Operation: 59+46=105, Resulting Numbers: [105] 105,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 61:[4, 109], Operations: ['26+24=50', '59+50=109'] Exploring Operation: 4+109=113, Resulting Numbers: [113] 113,61 unequal: No Solution Exploring Operation: 4*109=436, Resulting Numbers: [436] 436,61 unequal: No Solution Exploring Operation: 109-4=105, Resulting Numbers: [105] 105,61 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: 61:[26, 59, 96], Operations: ['4*24=96'] Exploring Operation: 26+96=122, Resulting Numbers: [59, 122] Generated Node #0,4,0: 61:[59, 122] Operation: 26+96=122 Exploring Operation: 96-26=70, Resulting Numbers: [59, 70] Generated Node #0,4,1: 61:[59, 70] Operation: 96-26=70 Exploring Operation: 59-26=33, Resulting Numbers: [96, 33] Generated Node #0,4,2: 61:[96, 33] Operation: 59-26=33 Exploring Operation: 26+59=85, Resulting Numbers: [96, 85] Generated Node #0,4,3: 61:[96, 85] Operation: 26+59=85 Exploring Operation: 96-59=37, Resulting Numbers: [26, 37] Generated Node #0,4,4: 61:[26, 37] Operation: 96-59=37 Moving to Node #0,3 Current State: 61:[26, 24, 63], Operations: ['59+4=63'] Exploring Operation: 26-24=2, Resulting Numbers: [63, 2] Generated Node #0,3,0: 61:[63, 2] Operation: 26-24=2 Exploring Operation: 63-26=37, Resulting Numbers: [24, 37] Generated Node #0,3,1: 61:[24, 37] Operation: 63-26=37 Exploring Operation: 26+24=50, Resulting Numbers: [63, 50] Generated Node #0,3,2: 61:[63, 50] Operation: 26+24=50 Exploring Operation: 24+63=87, Resulting Numbers: [26, 87] Generated Node #0,3,3: 61:[26, 87] Operation: 24+63=87 Exploring Operation: 63-24=39, Resulting Numbers: [26, 39] Generated Node #0,3,4: 61:[26, 39] Operation: 63-24=39 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 61:[63, 50], Operations: ['59+4=63', '26+24=50'] Exploring Operation: 63+50=113, Resulting Numbers: [113] 113,61 unequal: No Solution Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,61 unequal: No Solution Exploring Operation: 63*50=3150, Resulting Numbers: [3150] 3150,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 61:[26, 39], Operations: ['59+4=63', '63-24=39'] Exploring Operation: 26*39=1014, Resulting Numbers: [1014] 1014,61 unequal: No Solution Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,61 unequal: No Solution Exploring Operation: 26+39=65, Resulting Numbers: [65] 65,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 61:[63, 2], Operations: ['59+4=63', '26-24=2'] Exploring Operation: 63+2=65, Resulting Numbers: [65] 65,61 unequal: No Solution Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[26, 59, 4, 24], Operations: [] Exploring Operation: 59+4=63, Resulting Numbers: [26, 24, 63] Generated Node #0,3: 61:[26, 24, 63] Operation: 59+4=63 Moving to Node #0,3 Current State: 61:[26, 24, 63], Operations: ['59+4=63'] Exploring Operation: 26-24=2, Resulting Numbers: [63, 2] Generated Node #0,3,0: 61:[63, 2] Operation: 26-24=2 Moving to Node #0,3,0 Current State: 61:[63, 2], Operations: ['59+4=63', '26-24=2'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_5
sum_heuristic
[ 19, 1, 18, 27 ]
54
[ "19+1=20", "20-18=2", "27*2=54" ]
Current State: 54:[19, 1, 18, 27], Operations: [] Exploring Operation: 19+1=20, Resulting Numbers: [18, 27, 20] Generated Node #2: [18, 27, 20] from Operation: 19+1=20 Current State: 54:[18, 27, 20], Operations: ['19+1=20'] Exploring Operation: 20-18=2, Resulting Numbers: [27, 2] Generated Node #3: [27, 2] from Operation: 20-18=2 Current State: 54:[27, 2], Operations: ['19+1=20', '20-18=2'] Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[19, 1, 18, 27], Operations: [] Exploring Operation: 19-1=18, Resulting Numbers: [18, 27, 18] Generated Node #0,0: 54:[18, 27, 18] Operation: 19-1=18 Exploring Operation: 19/1=19, Resulting Numbers: [18, 27, 19] Generated Node #0,1: 54:[18, 27, 19] Operation: 19/1=19 Exploring Operation: 19*1=19, Resulting Numbers: [18, 27, 19] Generated Node #0,2: 54:[18, 27, 19] Operation: 19*1=19 Moving to Node #0,0 Current State: 54:[18, 27, 18], Operations: ['19-1=18'] Exploring Operation: 27-18=9, Resulting Numbers: [18, 9] Generated Node #0,0,0: 54:[18, 9] Operation: 27-18=9 Exploring Operation: 18/18=1, Resulting Numbers: [27, 1] Generated Node #0,0,1: 54:[27, 1] Operation: 18/18=1 Exploring Operation: 27-18=9, Resulting Numbers: [18, 9] Generated Node #0,0,2: 54:[18, 9] Operation: 27-18=9 Moving to Node #0,1 Current State: 54:[18, 27, 19], Operations: ['19/1=19'] Exploring Operation: 27-19=8, Resulting Numbers: [18, 8] Generated Node #0,1,0: 54:[18, 8] Operation: 27-19=8 Exploring Operation: 27-18=9, Resulting Numbers: [19, 9] Generated Node #0,1,1: 54:[19, 9] Operation: 27-18=9 Exploring Operation: 19-18=1, Resulting Numbers: [27, 1] Generated Node #0,1,2: 54:[27, 1] Operation: 19-18=1 Moving to Node #0,2 Current State: 54:[18, 27, 19], Operations: ['19*1=19'] Exploring Operation: 19-18=1, Resulting Numbers: [27, 1] Generated Node #0,2,0: 54:[27, 1] Operation: 19-18=1 Exploring Operation: 27-18=9, Resulting Numbers: [19, 9] Generated Node #0,2,1: 54:[19, 9] Operation: 27-18=9 Exploring Operation: 27-19=8, Resulting Numbers: [18, 8] Generated Node #0,2,2: 54:[18, 8] Operation: 27-19=8 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 54:[27, 1], Operations: ['19*1=19', '19-18=1'] Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 54:[19, 9], Operations: ['19*1=19', '27-18=9'] Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,54 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 54:[18, 8], Operations: ['19*1=19', '27-19=8'] Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 18*8=144, Resulting Numbers: [144] 144,54 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: 54:[18, 9], Operations: ['19-1=18', '27-18=9'] Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[18, 9], Operations: ['19-1=18', '27-18=9'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[27, 1], Operations: ['19-1=18', '18/18=1'] Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[27, 1], Operations: ['19/1=19', '19-18=1'] Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[19, 9], Operations: ['19/1=19', '27-18=9'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,54 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[18, 8], Operations: ['19/1=19', '27-19=8'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 18*8=144, Resulting Numbers: [144] 144,54 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 10, 40, 12, 3 ]
58
[ "10*3=30", "40-12=28", "30+28=58" ]
Current State: 58:[10, 40, 12, 3], Operations: [] Exploring Operation: 10*3=30, Resulting Numbers: [40, 12, 30] Generated Node #2: [40, 12, 30] from Operation: 10*3=30 Current State: 58:[40, 12, 30], Operations: ['10*3=30'] Exploring Operation: 40-12=28, Resulting Numbers: [30, 28] Generated Node #3: [30, 28] from Operation: 40-12=28 Current State: 58:[30, 28], Operations: ['10*3=30', '40-12=28'] Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[10, 40, 12, 3], Operations: [] Exploring Operation: 12-10=2, Resulting Numbers: [40, 3, 2] Generated Node #0,0: 58:[40, 3, 2] Operation: 12-10=2 Exploring Operation: 40-10=30, Resulting Numbers: [12, 3, 30] Generated Node #0,1: 58:[12, 3, 30] Operation: 40-10=30 Exploring Operation: 40-12=28, Resulting Numbers: [10, 3, 28] Generated Node #0,2: 58:[10, 3, 28] Operation: 40-12=28 Exploring Operation: 40/10=4, Resulting Numbers: [12, 3, 4] Generated Node #0,3: 58:[12, 3, 4] Operation: 40/10=4 Exploring Operation: 40+12=52, Resulting Numbers: [10, 3, 52] Generated Node #0,4: 58:[10, 3, 52] Operation: 40+12=52 Moving to Node #0,2 Current State: 58:[10, 3, 28], Operations: ['40-12=28'] Exploring Operation: 10+3=13, Resulting Numbers: [28, 13] Generated Node #0,2,0: 58:[28, 13] Operation: 10+3=13 Exploring Operation: 3+28=31, Resulting Numbers: [10, 31] Generated Node #0,2,1: 58:[10, 31] Operation: 3+28=31 Exploring Operation: 10*3=30, Resulting Numbers: [28, 30] Generated Node #0,2,2: 58:[28, 30] Operation: 10*3=30 Exploring Operation: 10+28=38, Resulting Numbers: [3, 38] Generated Node #0,2,3: 58:[3, 38] Operation: 10+28=38 Exploring Operation: 10-3=7, Resulting Numbers: [28, 7] Generated Node #0,2,4: 58:[28, 7] Operation: 10-3=7 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 58:[28, 30], Operations: ['40-12=28', '10*3=30'] Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[10, 40, 12, 3], Operations: [] Exploring Operation: 40-12=28, Resulting Numbers: [10, 3, 28] Generated Node #0,2: 58:[10, 3, 28] Operation: 40-12=28 Moving to Node #0,2 Current State: 58:[10, 3, 28], Operations: ['40-12=28'] Exploring Operation: 10*3=30, Resulting Numbers: [28, 30] Generated Node #0,2,2: 58:[28, 30] Operation: 10*3=30 Moving to Node #0,2,2 Current State: 58:[28, 30], Operations: ['40-12=28', '10*3=30'] Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 13, 37, 17, 71 ]
15
[ "71-37=34", "34/17=2", "13+2=15" ]
Current State: 15:[13, 37, 17, 71], Operations: [] Exploring Operation: 71-37=34, Resulting Numbers: [13, 17, 34] Generated Node #2: [13, 17, 34] from Operation: 71-37=34 Current State: 15:[13, 17, 34], Operations: ['71-37=34'] Exploring Operation: 34/17=2, Resulting Numbers: [13, 2] Generated Node #3: [13, 2] from Operation: 34/17=2 Current State: 15:[13, 2], Operations: ['71-37=34', '34/17=2'] Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[13, 37, 17, 71], Operations: [] Exploring Operation: 71-13=58, Resulting Numbers: [37, 17, 58] Generated Node #0,0: 15:[37, 17, 58] Operation: 71-13=58 Exploring Operation: 71-37=34, Resulting Numbers: [13, 17, 34] Generated Node #0,1: 15:[13, 17, 34] Operation: 71-37=34 Exploring Operation: 37-13=24, Resulting Numbers: [17, 71, 24] Generated Node #0,2: 15:[17, 71, 24] Operation: 37-13=24 Exploring Operation: 71-17=54, Resulting Numbers: [13, 37, 54] Generated Node #0,3: 15:[13, 37, 54] Operation: 71-17=54 Exploring Operation: 37-17=20, Resulting Numbers: [13, 71, 20] Generated Node #0,4: 15:[13, 71, 20] Operation: 37-17=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[13, 17, 34], Operations: ['71-37=34'] Exploring Operation: 17-13=4, Resulting Numbers: [34, 4] Generated Node #0,1,0: 15:[34, 4] Operation: 17-13=4 Exploring Operation: 34-17=17, Resulting Numbers: [13, 17] Generated Node #0,1,1: 15:[13, 17] Operation: 34-17=17 Exploring Operation: 34-13=21, Resulting Numbers: [17, 21] Generated Node #0,1,2: 15:[17, 21] Operation: 34-13=21 Exploring Operation: 34/17=2, Resulting Numbers: [13, 2] Generated Node #0,1,3: 15:[13, 2] Operation: 34/17=2 Exploring Operation: 13+17=30, Resulting Numbers: [34, 30] Generated Node #0,1,4: 15:[34, 30] Operation: 13+17=30 Moving to Node #0,1,3 Current State: 15:[13, 2], Operations: ['71-37=34', '34/17=2'] Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,15 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[13, 37, 17, 71], Operations: [] Exploring Operation: 71-37=34, Resulting Numbers: [13, 17, 34] Generated Node #0,1: 15:[13, 17, 34] Operation: 71-37=34 Moving to Node #0,1 Current State: 15:[13, 17, 34], Operations: ['71-37=34'] Exploring Operation: 34/17=2, Resulting Numbers: [13, 2] Generated Node #0,1,3: 15:[13, 2] Operation: 34/17=2 Moving to Node #0,1,3 Current State: 15:[13, 2], Operations: ['71-37=34', '34/17=2'] Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 11, 91, 3, 95 ]
87
[ "91-3=88", "88/11=8", "95-8=87" ]
Current State: 87:[11, 91, 3, 95], Operations: [] Exploring Operation: 91-3=88, Resulting Numbers: [11, 95, 88] Generated Node #2: [11, 95, 88] from Operation: 91-3=88 Current State: 87:[11, 95, 88], Operations: ['91-3=88'] Exploring Operation: 88/11=8, Resulting Numbers: [95, 8] Generated Node #3: [95, 8] from Operation: 88/11=8 Current State: 87:[95, 8], Operations: ['91-3=88', '88/11=8'] Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[11, 91, 3, 95], Operations: [] Exploring Operation: 95-91=4, Resulting Numbers: [11, 3, 4] Generated Node #0,0: 87:[11, 3, 4] Operation: 95-91=4 Exploring Operation: 95-11=84, Resulting Numbers: [91, 3, 84] Generated Node #0,1: 87:[91, 3, 84] Operation: 95-11=84 Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[91, 3, 84], Operations: ['95-11=84'] Exploring Operation: 91-84=7, Resulting Numbers: [3, 7] Generated Node #0,1,0: 87:[3, 7] Operation: 91-84=7 Exploring Operation: 91-3=88, Resulting Numbers: [84, 88] Generated Node #0,1,1: 87:[84, 88] Operation: 91-3=88 Moving to Node #0,1,0 Current State: 87:[3, 7], Operations: ['95-11=84', '91-84=7'] Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[84, 88], Operations: ['95-11=84', '91-3=88'] Exploring Operation: 84+88=172, Resulting Numbers: [172] 172,87 unequal: No Solution Exploring Operation: 88-84=4, Resulting Numbers: [4] 4,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[11, 3, 4], Operations: ['95-91=4'] Exploring Operation: 11-4=7, Resulting Numbers: [3, 7] Generated Node #0,0,0: 87:[3, 7] Operation: 11-4=7 Exploring Operation: 11*3=33, Resulting Numbers: [4, 33] Generated Node #0,0,1: 87:[4, 33] Operation: 11*3=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[3, 7], Operations: ['95-91=4', '11-4=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,87 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,87 unequal: No Solution No 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: 87:[4, 33], Operations: ['95-91=4', '11*3=33'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 5, 70, 5, 95 ]
82
[ "70-5=65", "65/5=13", "95-13=82" ]
Current State: 82:[5, 70, 5, 95], Operations: [] Exploring Operation: 70-5=65, Resulting Numbers: [95, 65] Generated Node #2: [95, 65] from Operation: 70-5=65 Current State: 82:[95, 65], Operations: ['70-5=65'] Exploring Operation: 65/5=13, Resulting Numbers: [95, 13] Generated Node #3: [95, 13] from Operation: 65/5=13 Current State: 82:[95, 13], Operations: ['70-5=65', '65/5=13'] Exploring Operation: 95-13=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[5, 70, 5, 95], Operations: [] Exploring Operation: 95-70=25, Resulting Numbers: [5, 5, 25] Generated Node #0,0: 82:[5, 5, 25] Operation: 95-70=25 Exploring Operation: 95-5=90, Resulting Numbers: [70, 5, 90] Generated Node #0,1: 82:[70, 5, 90] Operation: 95-5=90 Exploring Operation: 5+70=75, Resulting Numbers: [5, 95, 75] Generated Node #0,2: 82:[5, 95, 75] Operation: 5+70=75 Moving to Node #0,0 Current State: 82:[5, 5, 25], Operations: ['95-70=25'] Exploring Operation: 25/5=5, Resulting Numbers: [5, 5] Generated Node #0,0,0: 82:[5, 5] Operation: 25/5=5 Exploring Operation: 5+25=30, Resulting Numbers: [5, 30] Generated Node #0,0,1: 82:[5, 30] Operation: 5+25=30 Exploring Operation: 25/5=5, Resulting Numbers: [5, 5] Generated Node #0,0,2: 82:[5, 5] Operation: 25/5=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[5, 5], Operations: ['95-70=25', '25/5=5'] Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,82 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,82 unequal: No Solution Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 82:[5, 5], Operations: ['95-70=25', '25/5=5'] Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,82 unequal: No Solution Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,82 unequal: No Solution Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,82 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:[5, 30], Operations: ['95-70=25', '5+25=30'] Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,82 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,82 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,82 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: 82:[70, 5, 90], Operations: ['95-5=90'] Exploring Operation: 70+5=75, Resulting Numbers: [90, 75] Generated Node #0,1,0: 82:[90, 75] Operation: 70+5=75 Exploring Operation: 70/5=14, Resulting Numbers: [90, 14] Generated Node #0,1,1: 82:[90, 14] Operation: 70/5=14 Exploring Operation: 90-5=85, Resulting Numbers: [70, 85] Generated Node #0,1,2: 82:[70, 85] Operation: 90-5=85 Moving to Node #0,2 Current State: 82:[5, 95, 75], Operations: ['5+70=75'] Exploring Operation: 5+75=80, Resulting Numbers: [95, 80] Generated Node #0,2,0: 82:[95, 80] Operation: 5+75=80 Exploring Operation: 95-75=20, Resulting Numbers: [5, 20] Generated Node #0,2,1: 82:[5, 20] Operation: 95-75=20 Exploring Operation: 95-5=90, Resulting Numbers: [75, 90] Generated Node #0,2,2: 82:[75, 90] Operation: 95-5=90 Moving to Node #0,1,0 Current State: 82:[90, 75], Operations: ['95-5=90', '70+5=75'] Exploring Operation: 90-75=15, Resulting Numbers: [15] 15,82 unequal: No Solution Exploring Operation: 90+75=165, Resulting Numbers: [165] 165,82 unequal: No Solution Exploring Operation: 90*75=6750, Resulting Numbers: [6750] 6750,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[70, 85], Operations: ['95-5=90', '90-5=85'] Exploring Operation: 70*85=5950, Resulting Numbers: [5950] 5950,82 unequal: No Solution Exploring Operation: 70+85=155, Resulting Numbers: [155] 155,82 unequal: No Solution Exploring Operation: 85-70=15, Resulting Numbers: [15] 15,82 unequal: No Solution Moving to Node #0,2,2 Current State: 82:[75, 90], Operations: ['5+70=75', '95-5=90'] Exploring Operation: 75+90=165, Resulting Numbers: [165] 165,82 unequal: No Solution Exploring Operation: 90-75=15, Resulting Numbers: [15] 15,82 unequal: No Solution Exploring Operation: 75*90=6750, Resulting Numbers: [6750] 6750,82 unequal: No Solution Moving to Node #0,2,0 Current State: 82:[95, 80], Operations: ['5+70=75', '5+75=80'] Exploring Operation: 95-80=15, Resulting Numbers: [15] 15,82 unequal: No Solution Exploring Operation: 95+80=175, Resulting Numbers: [175] 175,82 unequal: No Solution Exploring Operation: 95*80=7600, Resulting Numbers: [7600] 7600,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[90, 14], Operations: ['95-5=90', '70/5=14'] Exploring Operation: 90*14=1260, Resulting Numbers: [1260] 1260,82 unequal: No Solution Exploring Operation: 90-14=76, Resulting Numbers: [76] 76,82 unequal: No Solution Exploring Operation: 90+14=104, Resulting Numbers: [104] 104,82 unequal: No Solution Moving to Node #0,2,1 Current State: 82:[5, 20], Operations: ['5+70=75', '95-75=20'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,82 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,82 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,82 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 87, 2, 74, 79 ]
77
[ "79-74=5", "2*5=10", "87-10=77" ]
Current State: 77:[87, 2, 74, 79], Operations: [] Exploring Operation: 79-74=5, Resulting Numbers: [87, 2, 5] Generated Node #2: [87, 2, 5] from Operation: 79-74=5 Current State: 77:[87, 2, 5], Operations: ['79-74=5'] Exploring Operation: 2*5=10, Resulting Numbers: [87, 10] Generated Node #3: [87, 10] from Operation: 2*5=10 Current State: 77:[87, 10], Operations: ['79-74=5', '2*5=10'] Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[87, 2, 74, 79], Operations: [] Exploring Operation: 87-2=85, Resulting Numbers: [74, 79, 85] Generated Node #0,0: 77:[74, 79, 85] Operation: 87-2=85 Exploring Operation: 87-74=13, Resulting Numbers: [2, 79, 13] Generated Node #0,1: 77:[2, 79, 13] Operation: 87-74=13 Exploring Operation: 87-79=8, Resulting Numbers: [2, 74, 8] Generated Node #0,2: 77:[2, 74, 8] Operation: 87-79=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[2, 79, 13], Operations: ['87-74=13'] Exploring Operation: 2+79=81, Resulting Numbers: [13, 81] Generated Node #0,1,0: 77:[13, 81] Operation: 2+79=81 Exploring Operation: 79-2=77, Resulting Numbers: [13, 77] Generated Node #0,1,1: 77:[13, 77] Operation: 79-2=77 Exploring Operation: 13-2=11, Resulting Numbers: [79, 11] Generated Node #0,1,2: 77:[79, 11] Operation: 13-2=11 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 77:[13, 77], Operations: ['87-74=13', '79-2=77'] Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,77 unequal: No Solution Exploring Operation: 13+77=90, Resulting Numbers: [90] 90,77 unequal: No Solution Exploring Operation: 13*77=1001, Resulting Numbers: [1001] 1001,77 unequal: No Solution No 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: 77:[79, 11], Operations: ['87-74=13', '13-2=11'] Exploring Operation: 79+11=90, Resulting Numbers: [90] 90,77 unequal: No Solution Exploring Operation: 79*11=869, Resulting Numbers: [869] 869,77 unequal: No Solution Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,77 unequal: No Solution No 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: 77:[13, 81], Operations: ['87-74=13', '2+79=81'] Exploring Operation: 13*81=1053, Resulting Numbers: [1053] 1053,77 unequal: No Solution Exploring Operation: 13+81=94, Resulting Numbers: [94] 94,77 unequal: No Solution Exploring Operation: 81-13=68, Resulting Numbers: [68] 68,77 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: 77:[2, 74, 8], Operations: ['87-79=8'] Exploring Operation: 2+74=76, Resulting Numbers: [8, 76] Generated Node #0,2,0: 77:[8, 76] Operation: 2+74=76 Exploring Operation: 8-2=6, Resulting Numbers: [74, 6] Generated Node #0,2,1: 77:[74, 6] Operation: 8-2=6 Exploring Operation: 2+8=10, Resulting Numbers: [74, 10] Generated Node #0,2,2: 77:[74, 10] Operation: 2+8=10 Moving to Node #0,2,0 Current State: 77:[8, 76], Operations: ['87-79=8', '2+74=76'] Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,77 unequal: No Solution Exploring Operation: 8+76=84, Resulting Numbers: [84] 84,77 unequal: No Solution Exploring Operation: 8*76=608, Resulting Numbers: [608] 608,77 unequal: No Solution Moving to Node #0,2,1 Current State: 77:[74, 6], Operations: ['87-79=8', '8-2=6'] Exploring Operation: 74+6=80, Resulting Numbers: [80] 80,77 unequal: No Solution Exploring Operation: 74-6=68, Resulting Numbers: [68] 68,77 unequal: No Solution Exploring Operation: 74*6=444, Resulting Numbers: [444] 444,77 unequal: No Solution Moving to Node #0,2,2 Current State: 77:[74, 10], Operations: ['87-79=8', '2+8=10'] Exploring Operation: 74-10=64, Resulting Numbers: [64] 64,77 unequal: No Solution Exploring Operation: 74*10=740, Resulting Numbers: [740] 740,77 unequal: No Solution Exploring Operation: 74+10=84, Resulting Numbers: [84] 84,77 unequal: No Solution No 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: 77:[74, 79, 85], Operations: ['87-2=85'] Exploring Operation: 79-74=5, Resulting Numbers: [85, 5] Generated Node #0,0,0: 77:[85, 5] Operation: 79-74=5 Exploring Operation: 85-74=11, Resulting Numbers: [79, 11] Generated Node #0,0,1: 77:[79, 11] Operation: 85-74=11 Exploring Operation: 85-79=6, Resulting Numbers: [74, 6] Generated Node #0,0,2: 77:[74, 6] Operation: 85-79=6 Moving to Node #0,0,1 Current State: 77:[79, 11], Operations: ['87-2=85', '85-74=11'] Exploring Operation: 79*11=869, Resulting Numbers: [869] 869,77 unequal: No Solution Exploring Operation: 79+11=90, Resulting Numbers: [90] 90,77 unequal: No Solution Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[74, 6], Operations: ['87-2=85', '85-79=6'] Exploring Operation: 74-6=68, Resulting Numbers: [68] 68,77 unequal: No Solution Exploring Operation: 74+6=80, Resulting Numbers: [80] 80,77 unequal: No Solution Exploring Operation: 74*6=444, Resulting Numbers: [444] 444,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[85, 5], Operations: ['87-2=85', '79-74=5'] Exploring Operation: 85-5=80, Resulting Numbers: [80] 80,77 unequal: No Solution Exploring Operation: 85+5=90, Resulting Numbers: [90] 90,77 unequal: No Solution Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 98, 86, 99, 21 ]
65
[ "99-98=1", "86-21=65", "1*65=65" ]
Current State: 65:[98, 86, 99, 21], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [86, 21, 1] Generated Node #2: [86, 21, 1] from Operation: 99-98=1 Current State: 65:[86, 21, 1], Operations: ['99-98=1'] Exploring Operation: 86-21=65, Resulting Numbers: [1, 65] Generated Node #3: [1, 65] from Operation: 86-21=65 Current State: 65:[1, 65], Operations: ['99-98=1', '86-21=65'] Exploring Operation: 1*65=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[98, 86, 99, 21], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [86, 21, 1] Generated Node #0,0: 65:[86, 21, 1] Operation: 99-98=1 Exploring Operation: 98-21=77, Resulting Numbers: [86, 99, 77] Generated Node #0,1: 65:[86, 99, 77] Operation: 98-21=77 Exploring Operation: 99-86=13, Resulting Numbers: [98, 21, 13] Generated Node #0,2: 65:[98, 21, 13] Operation: 99-86=13 Exploring Operation: 98-86=12, Resulting Numbers: [99, 21, 12] Generated Node #0,3: 65:[99, 21, 12] Operation: 98-86=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[86, 21, 1], Operations: ['99-98=1'] Exploring Operation: 86*1=86, Resulting Numbers: [21, 86] Generated Node #0,0,0: 65:[21, 86] Operation: 86*1=86 Exploring Operation: 86-1=85, Resulting Numbers: [21, 85] Generated Node #0,0,1: 65:[21, 85] Operation: 86-1=85 Exploring Operation: 86-21=65, Resulting Numbers: [1, 65] Generated Node #0,0,2: 65:[1, 65] Operation: 86-21=65 Exploring Operation: 21-1=20, Resulting Numbers: [86, 20] Generated Node #0,0,3: 65:[86, 20] Operation: 21-1=20 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 65:[1, 65], Operations: ['99-98=1', '86-21=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[98, 86, 99, 21], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [86, 21, 1] Generated Node #0,0: 65:[86, 21, 1] Operation: 99-98=1 Moving to Node #0,0 Current State: 65:[86, 21, 1], Operations: ['99-98=1'] Exploring Operation: 86-21=65, Resulting Numbers: [1, 65] Generated Node #0,0,2: 65:[1, 65] Operation: 86-21=65 Moving to Node #0,0,2 Current State: 65:[1, 65], Operations: ['99-98=1', '86-21=65'] Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 76, 34, 50, 87 ]
73
[ "76+34=110", "87-50=37", "110-37=73" ]
Current State: 73:[76, 34, 50, 87], Operations: [] Exploring Operation: 76+34=110, Resulting Numbers: [50, 87, 110] Generated Node #2: [50, 87, 110] from Operation: 76+34=110 Current State: 73:[50, 87, 110], Operations: ['76+34=110'] Exploring Operation: 87-50=37, Resulting Numbers: [110, 37] Generated Node #3: [110, 37] from Operation: 87-50=37 Current State: 73:[110, 37], Operations: ['76+34=110', '87-50=37'] Exploring Operation: 110-37=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[76, 34, 50, 87], Operations: [] Exploring Operation: 87-34=53, Resulting Numbers: [76, 50, 53] Generated Node #0,0: 73:[76, 50, 53] Operation: 87-34=53 Exploring Operation: 34+50=84, Resulting Numbers: [76, 87, 84] Generated Node #0,1: 73:[76, 87, 84] Operation: 34+50=84 Exploring Operation: 76-34=42, Resulting Numbers: [50, 87, 42] Generated Node #0,2: 73:[50, 87, 42] Operation: 76-34=42 Exploring Operation: 76+34=110, Resulting Numbers: [50, 87, 110] Generated Node #0,3: 73:[50, 87, 110] Operation: 76+34=110 Moving to Node #0,1 Current State: 73:[76, 87, 84], Operations: ['34+50=84'] Exploring Operation: 76+87=163, Resulting Numbers: [84, 163] Generated Node #0,1,0: 73:[84, 163] Operation: 76+87=163 Exploring Operation: 87-76=11, Resulting Numbers: [84, 11] Generated Node #0,1,1: 73:[84, 11] Operation: 87-76=11 Exploring Operation: 84-76=8, Resulting Numbers: [87, 8] Generated Node #0,1,2: 73:[87, 8] Operation: 84-76=8 Exploring Operation: 87-84=3, Resulting Numbers: [76, 3] Generated Node #0,1,3: 73:[76, 3] Operation: 87-84=3 Moving to Node #0,0 Current State: 73:[76, 50, 53], Operations: ['87-34=53'] Exploring Operation: 50+53=103, Resulting Numbers: [76, 103] Generated Node #0,0,0: 73:[76, 103] Operation: 50+53=103 Exploring Operation: 76-53=23, Resulting Numbers: [50, 23] Generated Node #0,0,1: 73:[50, 23] Operation: 76-53=23 Exploring Operation: 76-50=26, Resulting Numbers: [53, 26] Generated Node #0,0,2: 73:[53, 26] Operation: 76-50=26 Exploring Operation: 76+50=126, Resulting Numbers: [53, 126] Generated Node #0,0,3: 73:[53, 126] Operation: 76+50=126 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[76, 103], Operations: ['87-34=53', '50+53=103'] Exploring Operation: 103-76=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 76*103=7828, Resulting Numbers: [7828] 7828,73 unequal: No Solution Exploring Operation: 76+103=179, Resulting Numbers: [179] 179,73 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:[53, 26], Operations: ['87-34=53', '76-50=26'] Exploring Operation: 53*26=1378, Resulting Numbers: [1378] 1378,73 unequal: No Solution Exploring Operation: 53+26=79, Resulting Numbers: [79] 79,73 unequal: No Solution Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,73 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:[50, 23], Operations: ['87-34=53', '76-53=23'] Exploring Operation: 50-23=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 50+23=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[76, 34, 50, 87], Operations: [] Exploring Operation: 87-34=53, Resulting Numbers: [76, 50, 53] Generated Node #0,0: 73:[76, 50, 53] Operation: 87-34=53 Moving to Node #0,0 Current State: 73:[76, 50, 53], Operations: ['87-34=53'] Exploring Operation: 76-53=23, Resulting Numbers: [50, 23] Generated Node #0,0,1: 73:[50, 23] Operation: 76-53=23 Moving to Node #0,0,1 Current State: 73:[50, 23], Operations: ['87-34=53', '76-53=23'] Exploring Operation: 50+23=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 10, 98, 20, 17 ]
36
[ "10+98=108", "20-17=3", "108/3=36" ]
Current State: 36:[10, 98, 20, 17], Operations: [] Exploring Operation: 10+98=108, Resulting Numbers: [20, 17, 108] Generated Node #2: [20, 17, 108] from Operation: 10+98=108 Current State: 36:[20, 17, 108], Operations: ['10+98=108'] Exploring Operation: 20-17=3, Resulting Numbers: [108, 3] Generated Node #3: [108, 3] from Operation: 20-17=3 Current State: 36:[108, 3], Operations: ['10+98=108', '20-17=3'] Exploring Operation: 108/3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[10, 98, 20, 17], Operations: [] Exploring Operation: 20-17=3, Resulting Numbers: [10, 98, 3] Generated Node #0,0: 36:[10, 98, 3] Operation: 20-17=3 Exploring Operation: 98-20=78, Resulting Numbers: [10, 17, 78] Generated Node #0,1: 36:[10, 17, 78] Operation: 98-20=78 Exploring Operation: 98-10=88, Resulting Numbers: [20, 17, 88] Generated Node #0,2: 36:[20, 17, 88] Operation: 98-10=88 Exploring Operation: 98-17=81, Resulting Numbers: [10, 20, 81] Generated Node #0,3: 36:[10, 20, 81] Operation: 98-17=81 Exploring Operation: 20/10=2, Resulting Numbers: [98, 17, 2] Generated Node #0,4: 36:[98, 17, 2] Operation: 20/10=2 Moving to Node #0,1 Current State: 36:[10, 17, 78], Operations: ['98-20=78'] Exploring Operation: 78-10=68, Resulting Numbers: [17, 68] Generated Node #0,1,0: 36:[17, 68] Operation: 78-10=68 Exploring Operation: 17-10=7, Resulting Numbers: [78, 7] Generated Node #0,1,1: 36:[78, 7] Operation: 17-10=7 Exploring Operation: 10+78=88, Resulting Numbers: [17, 88] Generated Node #0,1,2: 36:[17, 88] Operation: 10+78=88 Exploring Operation: 78-17=61, Resulting Numbers: [10, 61] Generated Node #0,1,3: 36:[10, 61] Operation: 78-17=61 Exploring Operation: 10+17=27, Resulting Numbers: [78, 27] Generated Node #0,1,4: 36:[78, 27] Operation: 10+17=27 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 36:[10, 61], Operations: ['98-20=78', '78-17=61'] Exploring Operation: 10*61=610, Resulting Numbers: [610] 610,36 unequal: No Solution Exploring Operation: 10+61=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 36:[17, 68], Operations: ['98-20=78', '78-10=68'] Exploring Operation: 68-17=51, Resulting Numbers: [51] 51,36 unequal: No Solution Exploring Operation: 17+68=85, Resulting Numbers: [85] 85,36 unequal: No Solution Exploring Operation: 68/17=4, Resulting Numbers: [4] 4,36 unequal: No Solution Exploring Operation: 17*68=1156, Resulting Numbers: [1156] 1156,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[78, 7], Operations: ['98-20=78', '17-10=7'] Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 78*7=546, Resulting Numbers: [546] 546,36 unequal: No Solution Exploring Operation: 78+7=85, Resulting Numbers: [85] 85,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 36:[78, 27], Operations: ['98-20=78', '10+17=27'] Exploring Operation: 78*27=2106, Resulting Numbers: [2106] 2106,36 unequal: No Solution Exploring Operation: 78+27=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 78-27=51, Resulting Numbers: [51] 51,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 36:[17, 88], Operations: ['98-20=78', '10+78=88'] Exploring Operation: 17+88=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 17*88=1496, Resulting Numbers: [1496] 1496,36 unequal: No Solution Exploring Operation: 88-17=71, Resulting Numbers: [71] 71,36 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: 36:[10, 20, 81], Operations: ['98-17=81'] Exploring Operation: 20/10=2, Resulting Numbers: [81, 2] Generated Node #0,3,0: 36:[81, 2] Operation: 20/10=2 Exploring Operation: 10+20=30, Resulting Numbers: [81, 30] Generated Node #0,3,1: 36:[81, 30] Operation: 10+20=30 Exploring Operation: 81-10=71, Resulting Numbers: [20, 71] Generated Node #0,3,2: 36:[20, 71] Operation: 81-10=71 Exploring Operation: 81-20=61, Resulting Numbers: [10, 61] Generated Node #0,3,3: 36:[10, 61] Operation: 81-20=61 Exploring Operation: 20-10=10, Resulting Numbers: [81, 10] Generated Node #0,3,4: 36:[81, 10] Operation: 20-10=10 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 36:[10, 61], Operations: ['98-17=81', '81-20=61'] Exploring Operation: 10*61=610, Resulting Numbers: [610] 610,36 unequal: No Solution Exploring Operation: 10+61=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 36:[20, 71], Operations: ['98-17=81', '81-10=71'] Exploring Operation: 20*71=1420, Resulting Numbers: [1420] 1420,36 unequal: No Solution Exploring Operation: 71-20=51, Resulting Numbers: [51] 51,36 unequal: No Solution Exploring Operation: 20+71=91, Resulting Numbers: [91] 91,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 36:[81, 2], Operations: ['98-17=81', '20/10=2'] Exploring Operation: 81*2=162, Resulting Numbers: [162] 162,36 unequal: No Solution Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,36 unequal: No Solution Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 36:[81, 10], Operations: ['98-17=81', '20-10=10'] Exploring Operation: 81*10=810, Resulting Numbers: [810] 810,36 unequal: No Solution Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 81+10=91, Resulting Numbers: [91] 91,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 36:[81, 30], Operations: ['98-17=81', '10+20=30'] Exploring Operation: 81+30=111, Resulting Numbers: [111] 111,36 unequal: No Solution Exploring Operation: 81*30=2430, Resulting Numbers: [2430] 2430,36 unequal: No Solution Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,36 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: 36:[20, 17, 88], Operations: ['98-10=88'] Exploring Operation: 17+88=105, Resulting Numbers: [20, 105] Generated Node #0,2,0: 36:[20, 105] Operation: 17+88=105 Exploring Operation: 20+17=37, Resulting Numbers: [88, 37] Generated Node #0,2,1: 36:[88, 37] Operation: 20+17=37 Exploring Operation: 20-17=3, Resulting Numbers: [88, 3] Generated Node #0,2,2: 36:[88, 3] Operation: 20-17=3 Exploring Operation: 88-20=68, Resulting Numbers: [17, 68] Generated Node #0,2,3: 36:[17, 68] Operation: 88-20=68 Exploring Operation: 88-17=71, Resulting Numbers: [20, 71] Generated Node #0,2,4: 36:[20, 71] Operation: 88-17=71 Moving to Node #0,0 Current State: 36:[10, 98, 3], Operations: ['20-17=3'] Exploring Operation: 98+3=101, Resulting Numbers: [10, 101] Generated Node #0,0,0: 36:[10, 101] Operation: 98+3=101 Exploring Operation: 98-10=88, Resulting Numbers: [3, 88] Generated Node #0,0,1: 36:[3, 88] Operation: 98-10=88 Exploring Operation: 10-3=7, Resulting Numbers: [98, 7] Generated Node #0,0,2: 36:[98, 7] Operation: 10-3=7 Exploring Operation: 10+3=13, Resulting Numbers: [98, 13] Generated Node #0,0,3: 36:[98, 13] Operation: 10+3=13 Exploring Operation: 98-3=95, Resulting Numbers: [10, 95] Generated Node #0,0,4: 36:[10, 95] Operation: 98-3=95 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[3, 88], Operations: ['20-17=3', '98-10=88'] Exploring Operation: 3*88=264, Resulting Numbers: [264] 264,36 unequal: No Solution Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,36 unequal: No Solution Exploring Operation: 3+88=91, Resulting Numbers: [91] 91,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 36:[10, 95], Operations: ['20-17=3', '98-3=95'] Exploring Operation: 10+95=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 95-10=85, Resulting Numbers: [85] 85,36 unequal: No Solution Exploring Operation: 10*95=950, Resulting Numbers: [950] 950,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 36:[98, 7], Operations: ['20-17=3', '10-3=7'] Exploring Operation: 98/7=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 98+7=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 98*7=686, Resulting Numbers: [686] 686,36 unequal: No Solution Exploring Operation: 98-7=91, Resulting Numbers: [91] 91,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 36:[98, 13], Operations: ['20-17=3', '10+3=13'] Exploring Operation: 98*13=1274, Resulting Numbers: [1274] 1274,36 unequal: No Solution Exploring Operation: 98-13=85, Resulting Numbers: [85] 85,36 unequal: No Solution Exploring Operation: 98+13=111, Resulting Numbers: [111] 111,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[10, 101], Operations: ['20-17=3', '98+3=101'] Exploring Operation: 10+101=111, Resulting Numbers: [111] 111,36 unequal: No Solution Exploring Operation: 101-10=91, Resulting Numbers: [91] 91,36 unequal: No Solution Exploring Operation: 10*101=1010, Resulting Numbers: [1010] 1010,36 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: 36:[98, 17, 2], Operations: ['20/10=2'] Exploring Operation: 17*2=34, Resulting Numbers: [98, 34] Generated Node #0,4,0: 36:[98, 34] Operation: 17*2=34 Exploring Operation: 98-17=81, Resulting Numbers: [2, 81] Generated Node #0,4,1: 36:[2, 81] Operation: 98-17=81 Exploring Operation: 98/2=49, Resulting Numbers: [17, 49] Generated Node #0,4,2: 36:[17, 49] Operation: 98/2=49 Exploring Operation: 98-2=96, Resulting Numbers: [17, 96] Generated Node #0,4,3: 36:[17, 96] Operation: 98-2=96 Exploring Operation: 17+2=19, Resulting Numbers: [98, 19] Generated Node #0,4,4: 36:[98, 19] Operation: 17+2=19 Moving to Node #0,4,2 Current State: 36:[17, 49], Operations: ['20/10=2', '98/2=49'] Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,36 unequal: No Solution Exploring Operation: 17+49=66, Resulting Numbers: [66] 66,36 unequal: No Solution Exploring Operation: 17*49=833, Resulting Numbers: [833] 833,36 unequal: No Solution Moving to Node #0,2,3 Current State: 36:[17, 68], Operations: ['98-10=88', '88-20=68'] Exploring Operation: 68-17=51, Resulting Numbers: [51] 51,36 unequal: No Solution Exploring Operation: 17*68=1156, Resulting Numbers: [1156] 1156,36 unequal: No Solution Exploring Operation: 17+68=85, Resulting Numbers: [85] 85,36 unequal: No Solution Exploring Operation: 68/17=4, Resulting Numbers: [4] 4,36 unequal: No Solution Moving to Node #0,2,4 Current State: 36:[20, 71], Operations: ['98-10=88', '88-17=71'] Exploring Operation: 20+71=91, Resulting Numbers: [91] 91,36 unequal: No Solution Exploring Operation: 20*71=1420, Resulting Numbers: [1420] 1420,36 unequal: No Solution Exploring Operation: 71-20=51, Resulting Numbers: [51] 51,36 unequal: No Solution Moving to Node #0,4,1 Current State: 36:[2, 81], Operations: ['20/10=2', '98-17=81'] Exploring Operation: 2+81=83, Resulting Numbers: [83] 83,36 unequal: No Solution Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,36 unequal: No Solution Exploring Operation: 2*81=162, Resulting Numbers: [162] 162,36 unequal: No Solution Moving to Node #0,2,2 Current State: 36:[88, 3], Operations: ['98-10=88', '20-17=3'] Exploring Operation: 88+3=91, Resulting Numbers: [91] 91,36 unequal: No Solution Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,36 unequal: No Solution Exploring Operation: 88*3=264, Resulting Numbers: [264] 264,36 unequal: No Solution Moving to Node #0,2,1 Current State: 36:[88, 37], Operations: ['98-10=88', '20+17=37'] Exploring Operation: 88*37=3256, Resulting Numbers: [3256] 3256,36 unequal: No Solution Exploring Operation: 88+37=125, Resulting Numbers: [125] 125,36 unequal: No Solution Exploring Operation: 88-37=51, Resulting Numbers: [51] 51,36 unequal: No Solution Moving to Node #0,4,3 Current State: 36:[17, 96], Operations: ['20/10=2', '98-2=96'] Exploring Operation: 96-17=79, Resulting Numbers: [79] 79,36 unequal: No Solution Exploring Operation: 17+96=113, Resulting Numbers: [113] 113,36 unequal: No Solution Exploring Operation: 17*96=1632, Resulting Numbers: [1632] 1632,36 unequal: No Solution Moving to Node #0,4,4 Current State: 36:[98, 19], Operations: ['20/10=2', '17+2=19'] Exploring Operation: 98+19=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 98*19=1862, Resulting Numbers: [1862] 1862,36 unequal: No Solution Exploring Operation: 98-19=79, Resulting Numbers: [79] 79,36 unequal: No Solution Moving to Node #0,4,0 Current State: 36:[98, 34], Operations: ['20/10=2', '17*2=34'] Exploring Operation: 98+34=132, Resulting Numbers: [132] 132,36 unequal: No Solution Exploring Operation: 98*34=3332, Resulting Numbers: [3332] 3332,36 unequal: No Solution Exploring Operation: 98-34=64, Resulting Numbers: [64] 64,36 unequal: No Solution Moving to Node #0,2,0 Current State: 36:[20, 105], Operations: ['98-10=88', '17+88=105'] Exploring Operation: 20+105=125, Resulting Numbers: [125] 125,36 unequal: No Solution Exploring Operation: 105-20=85, Resulting Numbers: [85] 85,36 unequal: No Solution Exploring Operation: 20*105=2100, Resulting Numbers: [2100] 2100,36 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 17, 49, 60, 40 ]
34
[ "17+49=66", "60+40=100", "100-66=34" ]
Current State: 34:[17, 49, 60, 40], Operations: [] Exploring Operation: 17+49=66, Resulting Numbers: [60, 40, 66] Generated Node #2: [60, 40, 66] from Operation: 17+49=66 Current State: 34:[60, 40, 66], Operations: ['17+49=66'] Exploring Operation: 60+40=100, Resulting Numbers: [66, 100] Generated Node #3: [66, 100] from Operation: 60+40=100 Current State: 34:[66, 100], Operations: ['17+49=66', '60+40=100'] Exploring Operation: 100-66=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[17, 49, 60, 40], Operations: [] Exploring Operation: 60-49=11, Resulting Numbers: [17, 40, 11] Generated Node #0,0: 34:[17, 40, 11] Operation: 60-49=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[17, 40, 11], Operations: ['60-49=11'] Exploring Operation: 40-11=29, Resulting Numbers: [17, 29] Generated Node #0,0,0: 34:[17, 29] Operation: 40-11=29 Moving to Node #0,0,0 Current State: 34:[17, 29], Operations: ['60-49=11', '40-11=29'] Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,34 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
[ 87, 77, 82, 3 ]
52
[ "87-77=10", "3*10=30", "82-30=52" ]
Current State: 52:[87, 77, 82, 3], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [82, 3, 10] Generated Node #2: [82, 3, 10] from Operation: 87-77=10 Current State: 52:[82, 3, 10], Operations: ['87-77=10'] Exploring Operation: 3*10=30, Resulting Numbers: [82, 30] Generated Node #3: [82, 30] from Operation: 3*10=30 Current State: 52:[82, 30], Operations: ['87-77=10', '3*10=30'] Exploring Operation: 82-30=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[87, 77, 82, 3], Operations: [] Exploring Operation: 82-77=5, Resulting Numbers: [87, 3, 5] Generated Node #0,0: 52:[87, 3, 5] Operation: 82-77=5 Exploring Operation: 87/3=29, Resulting Numbers: [77, 82, 29] Generated Node #0,1: 52:[77, 82, 29] Operation: 87/3=29 Exploring Operation: 87-77=10, Resulting Numbers: [82, 3, 10] Generated Node #0,2: 52:[82, 3, 10] Operation: 87-77=10 Exploring Operation: 87-82=5, Resulting Numbers: [77, 3, 5] Generated Node #0,3: 52:[77, 3, 5] Operation: 87-82=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 52:[77, 3, 5], Operations: ['87-82=5'] Exploring Operation: 77-3=74, Resulting Numbers: [5, 74] Generated Node #0,3,0: 52:[5, 74] Operation: 77-3=74 Exploring Operation: 5-3=2, Resulting Numbers: [77, 2] Generated Node #0,3,1: 52:[77, 2] Operation: 5-3=2 Exploring Operation: 3*5=15, Resulting Numbers: [77, 15] Generated Node #0,3,2: 52:[77, 15] Operation: 3*5=15 Exploring Operation: 77-5=72, Resulting Numbers: [3, 72] Generated Node #0,3,3: 52:[3, 72] Operation: 77-5=72 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 52:[3, 72], Operations: ['87-82=5', '77-5=72'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,52 unequal: No Solution Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 3*72=216, Resulting Numbers: [216] 216,52 unequal: No Solution Exploring Operation: 3+72=75, Resulting Numbers: [75] 75,52 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 #0,3,0 Current State: 52:[5, 74], Operations: ['87-82=5', '77-3=74'] Exploring Operation: 5*74=370, Resulting Numbers: [370] 370,52 unequal: No Solution Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,52 unequal: No Solution Exploring Operation: 5+74=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 #0,3,1 Current State: 52:[77, 2], Operations: ['87-82=5', '5-3=2'] Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,52 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,52 unequal: No Solution Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,52 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 #0,3,2 Current State: 52:[77, 15], Operations: ['87-82=5', '3*5=15'] Exploring Operation: 77*15=1155, Resulting Numbers: [1155] 1155,52 unequal: No Solution Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 77+15=92, Resulting Numbers: [92] 92,52 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[82, 3, 10], Operations: ['87-77=10'] Exploring Operation: 3+10=13, Resulting Numbers: [82, 13] Generated Node #0,2,0: 52:[82, 13] Operation: 3+10=13 Exploring Operation: 82-10=72, Resulting Numbers: [3, 72] Generated Node #0,2,1: 52:[3, 72] Operation: 82-10=72 Exploring Operation: 10-3=7, Resulting Numbers: [82, 7] Generated Node #0,2,2: 52:[82, 7] Operation: 10-3=7 Exploring Operation: 82-3=79, Resulting Numbers: [10, 79] Generated Node #0,2,3: 52:[10, 79] Operation: 82-3=79 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 52:[3, 72], Operations: ['87-77=10', '82-10=72'] Exploring Operation: 3+72=75, Resulting Numbers: [75] 75,52 unequal: No Solution Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,52 unequal: No Solution Exploring Operation: 3*72=216, Resulting Numbers: [216] 216,52 unequal: No Solution Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,52 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 #0,2,0 Current State: 52:[82, 13], Operations: ['87-77=10', '3+10=13'] Exploring Operation: 82*13=1066, Resulting Numbers: [1066] 1066,52 unequal: No Solution Exploring Operation: 82+13=95, Resulting Numbers: [95] 95,52 unequal: No Solution Exploring Operation: 82-13=69, Resulting Numbers: [69] 69,52 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 #0,2,3 Current State: 52:[10, 79], Operations: ['87-77=10', '82-3=79'] Exploring Operation: 10*79=790, Resulting Numbers: [790] 790,52 unequal: No Solution Exploring Operation: 10+79=89, Resulting Numbers: [89] 89,52 unequal: No Solution Exploring Operation: 79-10=69, Resulting Numbers: [69] 69,52 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 #0,2,2 Current State: 52:[82, 7], Operations: ['87-77=10', '10-3=7'] Exploring Operation: 82*7=574, Resulting Numbers: [574] 574,52 unequal: No Solution Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,52 unequal: No Solution Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,52 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[87, 3, 5], Operations: ['82-77=5'] Exploring Operation: 87-3=84, Resulting Numbers: [5, 84] Generated Node #0,0,0: 52:[5, 84] Operation: 87-3=84 Exploring Operation: 5-3=2, Resulting Numbers: [87, 2] Generated Node #0,0,1: 52:[87, 2] Operation: 5-3=2 Exploring Operation: 87/3=29, Resulting Numbers: [5, 29] Generated Node #0,0,2: 52:[5, 29] Operation: 87/3=29 Exploring Operation: 87-5=82, Resulting Numbers: [3, 82] Generated Node #0,0,3: 52:[3, 82] Operation: 87-5=82 Moving to Node #0,0,2 Current State: 52:[5, 29], Operations: ['82-77=5', '87/3=29'] Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,52 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,52 unequal: No Solution Moving to Node #0,0,3 Current State: 52:[3, 82], Operations: ['82-77=5', '87-5=82'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,52 unequal: No Solution Exploring Operation: 3*82=246, Resulting Numbers: [246] 246,52 unequal: No Solution Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[5, 84], Operations: ['82-77=5', '87-3=84'] Exploring Operation: 5+84=89, Resulting Numbers: [89] 89,52 unequal: No Solution Exploring Operation: 5*84=420, Resulting Numbers: [420] 420,52 unequal: No Solution Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[87, 2], Operations: ['82-77=5', '5-3=2'] Exploring Operation: 87*2=174, Resulting Numbers: [174] 174,52 unequal: No Solution Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,52 unequal: No Solution Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,52 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:[77, 82, 29], Operations: ['87/3=29'] Exploring Operation: 77+29=106, Resulting Numbers: [82, 106] Generated Node #0,1,0: 52:[82, 106] Operation: 77+29=106 Exploring Operation: 82-29=53, Resulting Numbers: [77, 53] Generated Node #0,1,1: 52:[77, 53] Operation: 82-29=53 Exploring Operation: 77-29=48, Resulting Numbers: [82, 48] Generated Node #0,1,2: 52:[82, 48] Operation: 77-29=48 Exploring Operation: 82-77=5, Resulting Numbers: [29, 5] Generated Node #0,1,3: 52:[29, 5] Operation: 82-77=5 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 52:[29, 5], Operations: ['87/3=29', '82-77=5'] Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,52 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,52 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:[77, 53], Operations: ['87/3=29', '82-29=53'] Exploring Operation: 77+53=130, Resulting Numbers: [130] 130,52 unequal: No Solution Exploring Operation: 77*53=4081, Resulting Numbers: [4081] 4081,52 unequal: No Solution Exploring Operation: 77-53=24, Resulting Numbers: [24] 24,52 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 #0,1,2 Current State: 52:[82, 48], Operations: ['87/3=29', '77-29=48'] Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,52 unequal: No Solution Exploring Operation: 82+48=130, Resulting Numbers: [130] 130,52 unequal: No Solution Exploring Operation: 82*48=3936, Resulting Numbers: [3936] 3936,52 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 #0,1,0 Current State: 52:[82, 106], Operations: ['87/3=29', '77+29=106'] Exploring Operation: 82+106=188, Resulting Numbers: [188] 188,52 unequal: No Solution Exploring Operation: 82*106=8692, Resulting Numbers: [8692] 8692,52 unequal: No Solution Exploring Operation: 106-82=24, Resulting Numbers: [24] 24,52 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_4
mult_heuristic
[ 27, 20, 36, 65 ]
10
[ "27+36=63", "65-63=2", "20/2=10" ]
Current State: 10:[27, 20, 36, 65], Operations: [] Exploring Operation: 27+36=63, Resulting Numbers: [20, 65, 63] Generated Node #2: [20, 65, 63] from Operation: 27+36=63 Current State: 10:[20, 65, 63], Operations: ['27+36=63'] Exploring Operation: 65-63=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 65-63=2 Current State: 10:[20, 2], Operations: ['27+36=63', '65-63=2'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[27, 20, 36, 65], Operations: [] Exploring Operation: 36-27=9, Resulting Numbers: [20, 65, 9] Generated Node #0,0: 10:[20, 65, 9] Operation: 36-27=9 Exploring Operation: 65-36=29, Resulting Numbers: [27, 20, 29] Generated Node #0,1: 10:[27, 20, 29] Operation: 65-36=29 Exploring Operation: 36-20=16, Resulting Numbers: [27, 65, 16] Generated Node #0,2: 10:[27, 65, 16] Operation: 36-20=16 Exploring Operation: 65-27=38, Resulting Numbers: [20, 36, 38] Generated Node #0,3: 10:[20, 36, 38] Operation: 65-27=38 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[27, 20, 29], Operations: ['65-36=29'] Exploring Operation: 29-20=9, Resulting Numbers: [27, 9] Generated Node #0,1,0: 10:[27, 9] Operation: 29-20=9 Exploring Operation: 27+20=47, Resulting Numbers: [29, 47] Generated Node #0,1,1: 10:[29, 47] Operation: 27+20=47 Exploring Operation: 27-20=7, Resulting Numbers: [29, 7] Generated Node #0,1,2: 10:[29, 7] Operation: 27-20=7 Exploring Operation: 29-27=2, Resulting Numbers: [20, 2] Generated Node #0,1,3: 10:[20, 2] Operation: 29-27=2 Moving to Node #0,1,3 Current State: 10:[20, 2], Operations: ['65-36=29', '29-27=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,10 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[27, 20, 36, 65], Operations: [] Exploring Operation: 65-36=29, Resulting Numbers: [27, 20, 29] Generated Node #0,1: 10:[27, 20, 29] Operation: 65-36=29 Moving to Node #0,1 Current State: 10:[27, 20, 29], Operations: ['65-36=29'] Exploring Operation: 29-27=2, Resulting Numbers: [20, 2] Generated Node #0,1,3: 10:[20, 2] Operation: 29-27=2 Moving to Node #0,1,3 Current State: 10:[20, 2], Operations: ['65-36=29', '29-27=2'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 81, 56, 39, 2 ]
100
[ "81+56=137", "39-2=37", "137-37=100" ]
Current State: 100:[81, 56, 39, 2], Operations: [] Exploring Operation: 81+56=137, Resulting Numbers: [39, 2, 137] Generated Node #2: [39, 2, 137] from Operation: 81+56=137 Current State: 100:[39, 2, 137], Operations: ['81+56=137'] Exploring Operation: 39-2=37, Resulting Numbers: [137, 37] Generated Node #3: [137, 37] from Operation: 39-2=37 Current State: 100:[137, 37], Operations: ['81+56=137', '39-2=37'] Exploring Operation: 137-37=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[81, 56, 39, 2], Operations: [] Exploring Operation: 56-39=17, Resulting Numbers: [81, 2, 17] Generated Node #0,0: 100:[81, 2, 17] Operation: 56-39=17 Exploring Operation: 56+39=95, Resulting Numbers: [81, 2, 95] Generated Node #0,1: 100:[81, 2, 95] Operation: 56+39=95 Exploring Operation: 81-39=42, Resulting Numbers: [56, 2, 42] Generated Node #0,2: 100:[56, 2, 42] Operation: 81-39=42 Exploring Operation: 81-56=25, Resulting Numbers: [39, 2, 25] Generated Node #0,3: 100:[39, 2, 25] Operation: 81-56=25 Moving to Node #0,3 Current State: 100:[39, 2, 25], Operations: ['81-56=25'] Exploring Operation: 39-2=37, Resulting Numbers: [25, 37] Generated Node #0,3,0: 100:[25, 37] Operation: 39-2=37 Exploring Operation: 39+2=41, Resulting Numbers: [25, 41] Generated Node #0,3,1: 100:[25, 41] Operation: 39+2=41 Exploring Operation: 39-25=14, Resulting Numbers: [2, 14] Generated Node #0,3,2: 100:[2, 14] Operation: 39-25=14 Exploring Operation: 2*25=50, Resulting Numbers: [39, 50] Generated Node #0,3,3: 100:[39, 50] Operation: 2*25=50 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 100:[2, 14], Operations: ['81-56=25', '39-25=14'] Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,100 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 100:[25, 41], Operations: ['81-56=25', '39+2=41'] Exploring Operation: 25*41=1025, Resulting Numbers: [1025] 1025,100 unequal: No Solution Exploring Operation: 25+41=66, Resulting Numbers: [66] 66,100 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 100:[39, 50], Operations: ['81-56=25', '2*25=50'] Exploring Operation: 39*50=1950, Resulting Numbers: [1950] 1950,100 unequal: No Solution Exploring Operation: 50-39=11, Resulting Numbers: [11] 11,100 unequal: No Solution Exploring Operation: 39+50=89, Resulting Numbers: [89] 89,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 100:[25, 37], Operations: ['81-56=25', '39-2=37'] Exploring Operation: 25*37=925, Resulting Numbers: [925] 925,100 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 25+37=62, Resulting Numbers: [62] 62,100 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: 100:[56, 2, 42], Operations: ['81-39=42'] Exploring Operation: 56+42=98, Resulting Numbers: [2, 98] Generated Node #0,2,0: 100:[2, 98] Operation: 56+42=98 Exploring Operation: 56/2=28, Resulting Numbers: [42, 28] Generated Node #0,2,1: 100:[42, 28] Operation: 56/2=28 Exploring Operation: 42/2=21, Resulting Numbers: [56, 21] Generated Node #0,2,2: 100:[56, 21] Operation: 42/2=21 Exploring Operation: 56-42=14, Resulting Numbers: [2, 14] Generated Node #0,2,3: 100:[2, 14] Operation: 56-42=14 Moving to Node #0,0 Current State: 100:[81, 2, 17], Operations: ['56-39=17'] Exploring Operation: 81+17=98, Resulting Numbers: [2, 98] Generated Node #0,0,0: 100:[2, 98] Operation: 81+17=98 Exploring Operation: 2+17=19, Resulting Numbers: [81, 19] Generated Node #0,0,1: 100:[81, 19] Operation: 2+17=19 Exploring Operation: 81-17=64, Resulting Numbers: [2, 64] Generated Node #0,0,2: 100:[2, 64] Operation: 81-17=64 Exploring Operation: 81+2=83, Resulting Numbers: [17, 83] Generated Node #0,0,3: 100:[17, 83] Operation: 81+2=83 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[2, 98], Operations: ['56-39=17', '81+17=98'] Exploring Operation: 2*98=196, Resulting Numbers: [196] 196,100 unequal: No Solution Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,100 unequal: No Solution Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,100 unequal: No Solution Exploring Operation: 2+98=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[81, 56, 39, 2], Operations: [] Exploring Operation: 56-39=17, Resulting Numbers: [81, 2, 17] Generated Node #0,0: 100:[81, 2, 17] Operation: 56-39=17 Moving to Node #0,0 Current State: 100:[81, 2, 17], Operations: ['56-39=17'] Exploring Operation: 81+17=98, Resulting Numbers: [2, 98] Generated Node #0,0,0: 100:[2, 98] Operation: 81+17=98 Moving to Node #0,0,0 Current State: 100:[2, 98], Operations: ['56-39=17', '81+17=98'] Exploring Operation: 2+98=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
sum_heuristic
[ 14, 31, 13, 29 ]
40
[ "31-29=2", "13*2=26", "14+26=40" ]
Current State: 40:[14, 31, 13, 29], Operations: [] Exploring Operation: 31-29=2, Resulting Numbers: [14, 13, 2] Generated Node #2: [14, 13, 2] from Operation: 31-29=2 Current State: 40:[14, 13, 2], Operations: ['31-29=2'] Exploring Operation: 13*2=26, Resulting Numbers: [14, 26] Generated Node #3: [14, 26] from Operation: 13*2=26 Current State: 40:[14, 26], Operations: ['31-29=2', '13*2=26'] Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[14, 31, 13, 29], Operations: [] Exploring Operation: 31-14=17, Resulting Numbers: [13, 29, 17] Generated Node #0,0: 40:[13, 29, 17] Operation: 31-14=17 Exploring Operation: 14+29=43, Resulting Numbers: [31, 13, 43] Generated Node #0,1: 40:[31, 13, 43] Operation: 14+29=43 Exploring Operation: 31-29=2, Resulting Numbers: [14, 13, 2] Generated Node #0,2: 40:[14, 13, 2] Operation: 31-29=2 Exploring Operation: 31-13=18, Resulting Numbers: [14, 29, 18] Generated Node #0,3: 40:[14, 29, 18] Operation: 31-13=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[14, 13, 2], Operations: ['31-29=2'] Exploring Operation: 14-2=12, Resulting Numbers: [13, 12] Generated Node #0,2,0: 40:[13, 12] Operation: 14-2=12 Exploring Operation: 14/2=7, Resulting Numbers: [13, 7] Generated Node #0,2,1: 40:[13, 7] Operation: 14/2=7 Exploring Operation: 14-13=1, Resulting Numbers: [2, 1] Generated Node #0,2,2: 40:[2, 1] Operation: 14-13=1 Exploring Operation: 13-2=11, Resulting Numbers: [14, 11] Generated Node #0,2,3: 40:[14, 11] Operation: 13-2=11 Moving to Node #0,2,2 Current State: 40:[2, 1], Operations: ['31-29=2', '14-13=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[13, 7], Operations: ['31-29=2', '14/2=7'] Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,40 unequal: No Solution Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,40 unequal: No Solution Moving to Node #0,2,3 Current State: 40:[14, 11], Operations: ['31-29=2', '13-2=11'] Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,40 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[13, 12], Operations: ['31-29=2', '14-2=12'] Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,40 unequal: No Solution Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,40 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[13, 29, 17], Operations: ['31-14=17'] Exploring Operation: 13+29=42, Resulting Numbers: [17, 42] Generated Node #0,0,0: 40:[17, 42] Operation: 13+29=42 Exploring Operation: 29-13=16, Resulting Numbers: [17, 16] Generated Node #0,0,1: 40:[17, 16] Operation: 29-13=16 Exploring Operation: 29-17=12, Resulting Numbers: [13, 12] Generated Node #0,0,2: 40:[13, 12] Operation: 29-17=12 Exploring Operation: 17-13=4, Resulting Numbers: [29, 4] Generated Node #0,0,3: 40:[29, 4] Operation: 17-13=4 Moving to Node #0,0,0 Current State: 40:[17, 42], Operations: ['31-14=17', '13+29=42'] Exploring Operation: 17*42=714, Resulting Numbers: [714] 714,40 unequal: No Solution Exploring Operation: 17+42=59, Resulting Numbers: [59] 59,40 unequal: No Solution Exploring Operation: 42-17=25, Resulting Numbers: [25] 25,40 unequal: No Solution Moving to Node #0,0,2 Current State: 40:[13, 12], Operations: ['31-14=17', '29-17=12'] Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,40 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,40 unequal: No Solution Moving to Node #0,0,1 Current State: 40:[17, 16], Operations: ['31-14=17', '29-13=16'] Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,40 unequal: No Solution Exploring Operation: 17*16=272, Resulting Numbers: [272] 272,40 unequal: No Solution Moving to Node #0,0,3 Current State: 40:[29, 4], Operations: ['31-14=17', '17-13=4'] Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,40 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,40 unequal: No Solution Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[31, 13, 43], Operations: ['14+29=43'] Exploring Operation: 31+13=44, Resulting Numbers: [43, 44] Generated Node #0,1,0: 40:[43, 44] Operation: 31+13=44 Exploring Operation: 31-13=18, Resulting Numbers: [43, 18] Generated Node #0,1,1: 40:[43, 18] Operation: 31-13=18 Exploring Operation: 43-31=12, Resulting Numbers: [13, 12] Generated Node #0,1,2: 40:[13, 12] Operation: 43-31=12 Exploring Operation: 43-13=30, Resulting Numbers: [31, 30] Generated Node #0,1,3: 40:[31, 30] Operation: 43-13=30 Moving to Node #0,1,1 Current State: 40:[43, 18], Operations: ['14+29=43', '31-13=18'] Exploring Operation: 43*18=774, Resulting Numbers: [774] 774,40 unequal: No Solution Exploring Operation: 43+18=61, Resulting Numbers: [61] 61,40 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,40 unequal: No Solution Moving to Node #0,1,2 Current State: 40:[13, 12], Operations: ['14+29=43', '43-31=12'] Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,40 unequal: No Solution Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,40 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,40 unequal: No Solution Moving to Node #0,1,0 Current State: 40:[43, 44], Operations: ['14+29=43', '31+13=44'] Exploring Operation: 43*44=1892, Resulting Numbers: [1892] 1892,40 unequal: No Solution Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 43+44=87, Resulting Numbers: [87] 87,40 unequal: No Solution Moving to Node #0,1,3 Current State: 40:[31, 30], Operations: ['14+29=43', '43-13=30'] Exploring Operation: 31*30=930, Resulting Numbers: [930] 930,40 unequal: No Solution Exploring Operation: 31+30=61, Resulting Numbers: [61] 61,40 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 40:[14, 29, 18], Operations: ['31-13=18'] Exploring Operation: 29-18=11, Resulting Numbers: [14, 11] Generated Node #0,3,0: 40:[14, 11] Operation: 29-18=11 Exploring Operation: 29-14=15, Resulting Numbers: [18, 15] Generated Node #0,3,1: 40:[18, 15] Operation: 29-14=15 Exploring Operation: 14+29=43, Resulting Numbers: [18, 43] Generated Node #0,3,2: 40:[18, 43] Operation: 14+29=43 Exploring Operation: 18-14=4, Resulting Numbers: [29, 4] Generated Node #0,3,3: 40:[29, 4] Operation: 18-14=4 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 40:[14, 11], Operations: ['31-13=18', '29-18=11'] Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,40 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 40:[18, 43], Operations: ['31-13=18', '14+29=43'] Exploring Operation: 18*43=774, Resulting Numbers: [774] 774,40 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,40 unequal: No Solution Exploring Operation: 18+43=61, Resulting Numbers: [61] 61,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 40:[18, 15], Operations: ['31-13=18', '29-14=15'] Exploring Operation: 18*15=270, Resulting Numbers: [270] 270,40 unequal: No Solution Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,40 unequal: No Solution Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 40:[29, 4], Operations: ['31-13=18', '18-14=4'] Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,40 unequal: No Solution Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,40 unequal: No Solution Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 15, 34, 50, 35 ]
35
[ "15+34=49", "50-49=1", "35*1=35" ]
Current State: 35:[15, 34, 50, 35], Operations: [] Exploring Operation: 15+34=49, Resulting Numbers: [50, 35, 49] Generated Node #2: [50, 35, 49] from Operation: 15+34=49 Current State: 35:[50, 35, 49], Operations: ['15+34=49'] Exploring Operation: 50-49=1, Resulting Numbers: [35, 1] Generated Node #3: [35, 1] from Operation: 50-49=1 Current State: 35:[35, 1], Operations: ['15+34=49', '50-49=1'] Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[15, 34, 50, 35], Operations: [] Exploring Operation: 50-15=35, Resulting Numbers: [34, 35, 35] Generated Node #0,0: 35:[34, 35, 35] Operation: 50-15=35 Moving to Node #0,0 Current State: 35:[34, 35, 35], Operations: ['50-15=35'] Exploring Operation: 35-34=1, Resulting Numbers: [35, 1] Generated Node #0,0,0: 35:[35, 1] Operation: 35-34=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[35, 1], Operations: ['50-15=35', '35-34=1'] Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[15, 34, 50, 35], Operations: [] Exploring Operation: 50-15=35, Resulting Numbers: [34, 35, 35] Generated Node #0,0: 35:[34, 35, 35] Operation: 50-15=35 Moving to Node #0,0 Current State: 35:[34, 35, 35], Operations: ['50-15=35'] Exploring Operation: 35-34=1, Resulting Numbers: [35, 1] Generated Node #0,0,0: 35:[35, 1] Operation: 35-34=1 Moving to Node #0,0,0 Current State: 35:[35, 1], Operations: ['50-15=35', '35-34=1'] Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 10, 1, 39, 1 ]
30
[ "10*1=10", "39+1=40", "40-10=30" ]
Current State: 30:[10, 1, 39, 1], Operations: [] Exploring Operation: 10*1=10, Resulting Numbers: [39, 10] Generated Node #2: [39, 10] from Operation: 10*1=10 Current State: 30:[39, 10], Operations: ['10*1=10'] Exploring Operation: 39+1=40, Resulting Numbers: [10, 40] Generated Node #3: [10, 40] from Operation: 39+1=40 Current State: 30:[10, 40], Operations: ['10*1=10', '39+1=40'] Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[10, 1, 39, 1], Operations: [] Exploring Operation: 39-1=38, Resulting Numbers: [10, 1, 38] Generated Node #0,0: 30:[10, 1, 38] Operation: 39-1=38 Exploring Operation: 39-1=38, Resulting Numbers: [10, 1, 38] Generated Node #0,1: 30:[10, 1, 38] Operation: 39-1=38 Exploring Operation: 10*1=10, Resulting Numbers: [39, 1, 10] Generated Node #0,2: 30:[39, 1, 10] Operation: 10*1=10 Exploring Operation: 39-10=29, Resulting Numbers: [1, 1, 29] Generated Node #0,3: 30:[1, 1, 29] Operation: 39-10=29 Exploring Operation: 1+1=2, Resulting Numbers: [10, 39, 2] Generated Node #0,4: 30:[10, 39, 2] Operation: 1+1=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 30:[1, 1, 29], Operations: ['39-10=29'] Exploring Operation: 1/1=1, Resulting Numbers: [29, 1] Generated Node #0,3,0: 30:[29, 1] Operation: 1/1=1 Exploring Operation: 1*1=1, Resulting Numbers: [29, 1] Generated Node #0,3,1: 30:[29, 1] Operation: 1*1=1 Exploring Operation: 1+29=30, Resulting Numbers: [1, 30] Generated Node #0,3,2: 30:[1, 30] Operation: 1+29=30 Exploring Operation: 1+1=2, Resulting Numbers: [29, 2] Generated Node #0,3,3: 30:[29, 2] Operation: 1+1=2 Exploring Operation: 1+29=30, Resulting Numbers: [1, 30] Generated Node #0,3,4: 30:[1, 30] Operation: 1+29=30 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 30:[1, 30], Operations: ['39-10=29', '1+29=30'] Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[10, 1, 39, 1], Operations: [] Exploring Operation: 39-10=29, Resulting Numbers: [1, 1, 29] Generated Node #0,3: 30:[1, 1, 29] Operation: 39-10=29 Moving to Node #0,3 Current State: 30:[1, 1, 29], Operations: ['39-10=29'] Exploring Operation: 1+29=30, Resulting Numbers: [1, 30] Generated Node #0,3,2: 30:[1, 30] Operation: 1+29=30 Moving to Node #0,3,2 Current State: 30:[1, 30], Operations: ['39-10=29', '1+29=30'] Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 4, 19, 9, 51 ]
57
[ "19-4=15", "51-9=42", "15+42=57" ]
Current State: 57:[4, 19, 9, 51], Operations: [] Exploring Operation: 19-4=15, Resulting Numbers: [9, 51, 15] Generated Node #2: [9, 51, 15] from Operation: 19-4=15 Current State: 57:[9, 51, 15], Operations: ['19-4=15'] Exploring Operation: 51-9=42, Resulting Numbers: [15, 42] Generated Node #3: [15, 42] from Operation: 51-9=42 Current State: 57:[15, 42], Operations: ['19-4=15', '51-9=42'] Exploring Operation: 15+42=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[4, 19, 9, 51], Operations: [] Exploring Operation: 9+51=60, Resulting Numbers: [4, 19, 60] Generated Node #0,0: 57:[4, 19, 60] Operation: 9+51=60 Exploring Operation: 9-4=5, Resulting Numbers: [19, 51, 5] Generated Node #0,1: 57:[19, 51, 5] Operation: 9-4=5 Exploring Operation: 4+51=55, Resulting Numbers: [19, 9, 55] Generated Node #0,2: 57:[19, 9, 55] Operation: 4+51=55 Moving to Node #0,0 Current State: 57:[4, 19, 60], Operations: ['9+51=60'] Exploring Operation: 4+19=23, Resulting Numbers: [60, 23] Generated Node #0,0,0: 57:[60, 23] Operation: 4+19=23 Exploring Operation: 60-4=56, Resulting Numbers: [19, 56] Generated Node #0,0,1: 57:[19, 56] Operation: 60-4=56 Exploring Operation: 60/4=15, Resulting Numbers: [19, 15] Generated Node #0,0,2: 57:[19, 15] Operation: 60/4=15 Moving to Node #0,1 Current State: 57:[19, 51, 5], Operations: ['9-4=5'] Exploring Operation: 51+5=56, Resulting Numbers: [19, 56] Generated Node #0,1,0: 57:[19, 56] Operation: 51+5=56 Exploring Operation: 19-5=14, Resulting Numbers: [51, 14] Generated Node #0,1,1: 57:[51, 14] Operation: 19-5=14 Exploring Operation: 19+5=24, Resulting Numbers: [51, 24] Generated Node #0,1,2: 57:[51, 24] Operation: 19+5=24 Moving to Node #0,2 Current State: 57:[19, 9, 55], Operations: ['4+51=55'] Exploring Operation: 19-9=10, Resulting Numbers: [55, 10] Generated Node #0,2,0: 57:[55, 10] Operation: 19-9=10 Exploring Operation: 19+9=28, Resulting Numbers: [55, 28] Generated Node #0,2,1: 57:[55, 28] Operation: 19+9=28 Exploring Operation: 9+55=64, Resulting Numbers: [19, 64] Generated Node #0,2,2: 57:[19, 64] Operation: 9+55=64 Moving to Node #0,0,1 Current State: 57:[19, 56], Operations: ['9+51=60', '60-4=56'] Exploring Operation: 19*56=1064, Resulting Numbers: [1064] 1064,57 unequal: No Solution Exploring Operation: 19+56=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[19, 56], Operations: ['9-4=5', '51+5=56'] Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 19*56=1064, Resulting Numbers: [1064] 1064,57 unequal: No Solution Exploring Operation: 19+56=75, Resulting Numbers: [75] 75,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[19, 15], Operations: ['9+51=60', '60/4=15'] Exploring Operation: 19*15=285, Resulting Numbers: [285] 285,57 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[60, 23], Operations: ['9+51=60', '4+19=23'] Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 60+23=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 60*23=1380, Resulting Numbers: [1380] 1380,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[19, 64], Operations: ['4+51=55', '9+55=64'] Exploring Operation: 19*64=1216, Resulting Numbers: [1216] 1216,57 unequal: No Solution Exploring Operation: 19+64=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[55, 10], Operations: ['4+51=55', '19-9=10'] Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,57 unequal: No Solution Exploring Operation: 55+10=65, Resulting Numbers: [65] 65,57 unequal: No Solution Exploring Operation: 55*10=550, Resulting Numbers: [550] 550,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[51, 24], Operations: ['9-4=5', '19+5=24'] Exploring Operation: 51*24=1224, Resulting Numbers: [1224] 1224,57 unequal: No Solution Exploring Operation: 51+24=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 51-24=27, Resulting Numbers: [27] 27,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[55, 28], Operations: ['4+51=55', '19+9=28'] Exploring Operation: 55*28=1540, Resulting Numbers: [1540] 1540,57 unequal: No Solution Exploring Operation: 55+28=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[51, 14], Operations: ['9-4=5', '19-5=14'] Exploring Operation: 51+14=65, Resulting Numbers: [65] 65,57 unequal: No Solution Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 51*14=714, Resulting Numbers: [714] 714,57 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 95, 68, 24, 79 ]
28
[ "95-68=27", "79-24=55", "55-27=28" ]
Current State: 28:[95, 68, 24, 79], Operations: [] Exploring Operation: 95-68=27, Resulting Numbers: [24, 79, 27] Generated Node #2: [24, 79, 27] from Operation: 95-68=27 Current State: 28:[24, 79, 27], Operations: ['95-68=27'] Exploring Operation: 79-24=55, Resulting Numbers: [27, 55] Generated Node #3: [27, 55] from Operation: 79-24=55 Current State: 28:[27, 55], Operations: ['95-68=27', '79-24=55'] Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[95, 68, 24, 79], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [68, 24, 16] Generated Node #0,0: 28:[68, 24, 16] Operation: 95-79=16 Moving to Node #0,0 Current State: 28:[68, 24, 16], Operations: ['95-79=16'] Exploring Operation: 68-24=44, Resulting Numbers: [16, 44] Generated Node #0,0,0: 28:[16, 44] Operation: 68-24=44 Moving to Node #0,0,0 Current State: 28:[16, 44], Operations: ['95-79=16', '68-24=44'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[95, 68, 24, 79], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [68, 24, 16] Generated Node #0,0: 28:[68, 24, 16] Operation: 95-79=16 Moving to Node #0,0 Current State: 28:[68, 24, 16], Operations: ['95-79=16'] Exploring Operation: 68-24=44, Resulting Numbers: [16, 44] Generated Node #0,0,0: 28:[16, 44] Operation: 68-24=44 Moving to Node #0,0,0 Current State: 28:[16, 44], Operations: ['95-79=16', '68-24=44'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 36, 33, 78, 49 ]
87
[ "36-33=3", "78-49=29", "3*29=87" ]
Current State: 87:[36, 33, 78, 49], Operations: [] Exploring Operation: 36-33=3, Resulting Numbers: [78, 49, 3] Generated Node #2: [78, 49, 3] from Operation: 36-33=3 Current State: 87:[78, 49, 3], Operations: ['36-33=3'] Exploring Operation: 78-49=29, Resulting Numbers: [3, 29] Generated Node #3: [3, 29] from Operation: 78-49=29 Current State: 87:[3, 29], Operations: ['36-33=3', '78-49=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[36, 33, 78, 49], Operations: [] Exploring Operation: 36+49=85, Resulting Numbers: [33, 78, 85] Generated Node #0,0: 87:[33, 78, 85] Operation: 36+49=85 Exploring Operation: 33+49=82, Resulting Numbers: [36, 78, 82] Generated Node #0,1: 87:[36, 78, 82] Operation: 33+49=82 Exploring Operation: 36-33=3, Resulting Numbers: [78, 49, 3] Generated Node #0,2: 87:[78, 49, 3] Operation: 36-33=3 Exploring Operation: 78-49=29, Resulting Numbers: [36, 33, 29] Generated Node #0,3: 87:[36, 33, 29] Operation: 78-49=29 Exploring Operation: 49-36=13, Resulting Numbers: [33, 78, 13] Generated Node #0,4: 87:[33, 78, 13] Operation: 49-36=13 Start Sub Search at level 1: Moving to Node #0,3 Current State: 87:[36, 33, 29], Operations: ['78-49=29'] Exploring Operation: 36+33=69, Resulting Numbers: [29, 69] Generated Node #0,3,0: 87:[29, 69] Operation: 36+33=69 Exploring Operation: 36+29=65, Resulting Numbers: [33, 65] Generated Node #0,3,1: 87:[33, 65] Operation: 36+29=65 Exploring Operation: 36-33=3, Resulting Numbers: [29, 3] Generated Node #0,3,2: 87:[29, 3] Operation: 36-33=3 Exploring Operation: 36-29=7, Resulting Numbers: [33, 7] Generated Node #0,3,3: 87:[33, 7] Operation: 36-29=7 Exploring Operation: 33-29=4, Resulting Numbers: [36, 4] Generated Node #0,3,4: 87:[36, 4] Operation: 33-29=4 Moving to Node #0,3,2 Current State: 87:[29, 3], Operations: ['78-49=29', '36-33=3'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,87 unequal: No Solution Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[36, 33, 78, 49], Operations: [] Exploring Operation: 78-49=29, Resulting Numbers: [36, 33, 29] Generated Node #0,3: 87:[36, 33, 29] Operation: 78-49=29 Moving to Node #0,3 Current State: 87:[36, 33, 29], Operations: ['78-49=29'] Exploring Operation: 36-33=3, Resulting Numbers: [29, 3] Generated Node #0,3,2: 87:[29, 3] Operation: 36-33=3 Moving to Node #0,3,2 Current State: 87:[29, 3], Operations: ['78-49=29', '36-33=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 21, 25, 28, 80 ]
27
[ "25-21=4", "28+80=108", "108/4=27" ]
Current State: 27:[21, 25, 28, 80], Operations: [] Exploring Operation: 25-21=4, Resulting Numbers: [28, 80, 4] Generated Node #2: [28, 80, 4] from Operation: 25-21=4 Current State: 27:[28, 80, 4], Operations: ['25-21=4'] Exploring Operation: 28+80=108, Resulting Numbers: [4, 108] Generated Node #3: [4, 108] from Operation: 28+80=108 Current State: 27:[4, 108], Operations: ['25-21=4', '28+80=108'] Exploring Operation: 108/4=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[21, 25, 28, 80], Operations: [] Exploring Operation: 80-28=52, Resulting Numbers: [21, 25, 52] Generated Node #0,0: 27:[21, 25, 52] Operation: 80-28=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[21, 25, 52], Operations: ['80-28=52'] Exploring Operation: 52-21=31, Resulting Numbers: [25, 31] Generated Node #0,0,0: 27:[25, 31] Operation: 52-21=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[25, 31], Operations: ['80-28=52', '52-21=31'] Exploring Operation: 31-25=6, Resulting Numbers: [6] 6,27 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_1
mult_heuristic
[ 56, 86, 37, 48 ]
57
[ "56+86=142", "37+48=85", "142-85=57" ]
Current State: 57:[56, 86, 37, 48], Operations: [] Exploring Operation: 56+86=142, Resulting Numbers: [37, 48, 142] Generated Node #2: [37, 48, 142] from Operation: 56+86=142 Current State: 57:[37, 48, 142], Operations: ['56+86=142'] Exploring Operation: 37+48=85, Resulting Numbers: [142, 85] Generated Node #3: [142, 85] from Operation: 37+48=85 Current State: 57:[142, 85], Operations: ['56+86=142', '37+48=85'] Exploring Operation: 142-85=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[56, 86, 37, 48], Operations: [] Exploring Operation: 86-37=49, Resulting Numbers: [56, 48, 49] Generated Node #0,0: 57:[56, 48, 49] Operation: 86-37=49 Moving to Node #0,0 Current State: 57:[56, 48, 49], Operations: ['86-37=49'] Exploring Operation: 49-48=1, Resulting Numbers: [56, 1] Generated Node #0,0,0: 57:[56, 1] Operation: 49-48=1 Moving to Node #0,0,0 Current State: 57:[56, 1], Operations: ['86-37=49', '49-48=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[56, 86, 37, 48], Operations: [] Exploring Operation: 86-37=49, Resulting Numbers: [56, 48, 49] Generated Node #0,0: 57:[56, 48, 49] Operation: 86-37=49 Moving to Node #0,0 Current State: 57:[56, 48, 49], Operations: ['86-37=49'] Exploring Operation: 49-48=1, Resulting Numbers: [56, 1] Generated Node #0,0,0: 57:[56, 1] Operation: 49-48=1 Moving to Node #0,0,0 Current State: 57:[56, 1], Operations: ['86-37=49', '49-48=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 88, 64, 32, 86 ]
98
[ "88+64=152", "86-32=54", "152-54=98" ]
Current State: 98:[88, 64, 32, 86], Operations: [] Exploring Operation: 88+64=152, Resulting Numbers: [32, 86, 152] Generated Node #2: [32, 86, 152] from Operation: 88+64=152 Current State: 98:[32, 86, 152], Operations: ['88+64=152'] Exploring Operation: 86-32=54, Resulting Numbers: [152, 54] Generated Node #3: [152, 54] from Operation: 86-32=54 Current State: 98:[152, 54], Operations: ['88+64=152', '86-32=54'] Exploring Operation: 152-54=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[88, 64, 32, 86], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [88, 86, 2] Generated Node #0,0: 98:[88, 86, 2] Operation: 64/32=2 Exploring Operation: 86-32=54, Resulting Numbers: [88, 64, 54] Generated Node #0,1: 98:[88, 64, 54] Operation: 86-32=54 Exploring Operation: 64+32=96, Resulting Numbers: [88, 86, 96] Generated Node #0,2: 98:[88, 86, 96] Operation: 64+32=96 Moving to Node #0,0 Current State: 98:[88, 86, 2], Operations: ['64/32=2'] Exploring Operation: 88-86=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 98:[2, 2] Operation: 88-86=2 Exploring Operation: 86/2=43, Resulting Numbers: [88, 43] Generated Node #0,0,1: 98:[88, 43] Operation: 86/2=43 Exploring Operation: 88/2=44, Resulting Numbers: [86, 44] Generated Node #0,0,2: 98:[86, 44] Operation: 88/2=44 Moving to Node #0,2 Current State: 98:[88, 86, 96], Operations: ['64+32=96'] Exploring Operation: 96-86=10, Resulting Numbers: [88, 10] Generated Node #0,2,0: 98:[88, 10] Operation: 96-86=10 Exploring Operation: 96-88=8, Resulting Numbers: [86, 8] Generated Node #0,2,1: 98:[86, 8] Operation: 96-88=8 Exploring Operation: 88-86=2, Resulting Numbers: [96, 2] Generated Node #0,2,2: 98:[96, 2] Operation: 88-86=2 Moving to Node #0,1 Current State: 98:[88, 64, 54], Operations: ['86-32=54'] Exploring Operation: 88-54=34, Resulting Numbers: [64, 34] Generated Node #0,1,0: 98:[64, 34] Operation: 88-54=34 Exploring Operation: 64-54=10, Resulting Numbers: [88, 10] Generated Node #0,1,1: 98:[88, 10] Operation: 64-54=10 Exploring Operation: 88-64=24, Resulting Numbers: [54, 24] Generated Node #0,1,2: 98:[54, 24] Operation: 88-64=24 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[88, 10], Operations: ['86-32=54', '64-54=10'] Exploring Operation: 88*10=880, Resulting Numbers: [880] 880,98 unequal: No Solution Exploring Operation: 88+10=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[88, 64, 32, 86], Operations: [] Exploring Operation: 86-32=54, Resulting Numbers: [88, 64, 54] Generated Node #0,1: 98:[88, 64, 54] Operation: 86-32=54 Moving to Node #0,1 Current State: 98:[88, 64, 54], Operations: ['86-32=54'] Exploring Operation: 64-54=10, Resulting Numbers: [88, 10] Generated Node #0,1,1: 98:[88, 10] Operation: 64-54=10 Moving to Node #0,1,1 Current State: 98:[88, 10], Operations: ['86-32=54', '64-54=10'] Exploring Operation: 88+10=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 37, 42, 57, 21 ]
83
[ "42-37=5", "57+21=78", "5+78=83" ]
Current State: 83:[37, 42, 57, 21], Operations: [] Exploring Operation: 42-37=5, Resulting Numbers: [57, 21, 5] Generated Node #2: [57, 21, 5] from Operation: 42-37=5 Current State: 83:[57, 21, 5], Operations: ['42-37=5'] Exploring Operation: 57+21=78, Resulting Numbers: [5, 78] Generated Node #3: [5, 78] from Operation: 57+21=78 Current State: 83:[5, 78], Operations: ['42-37=5', '57+21=78'] Exploring Operation: 5+78=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[37, 42, 57, 21], Operations: [] Exploring Operation: 42+21=63, Resulting Numbers: [37, 57, 63] Generated Node #0,0: 83:[37, 57, 63] Operation: 42+21=63 Exploring Operation: 37+42=79, Resulting Numbers: [57, 21, 79] Generated Node #0,1: 83:[57, 21, 79] Operation: 37+42=79 Exploring Operation: 37+21=58, Resulting Numbers: [42, 57, 58] Generated Node #0,2: 83:[42, 57, 58] Operation: 37+21=58 Exploring Operation: 57+21=78, Resulting Numbers: [37, 42, 78] Generated Node #0,3: 83:[37, 42, 78] Operation: 57+21=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[37, 57, 63], Operations: ['42+21=63'] Exploring Operation: 57-37=20, Resulting Numbers: [63, 20] Generated Node #0,0,0: 83:[63, 20] Operation: 57-37=20 Exploring Operation: 63-37=26, Resulting Numbers: [57, 26] Generated Node #0,0,1: 83:[57, 26] Operation: 63-37=26 Exploring Operation: 37+57=94, Resulting Numbers: [63, 94] Generated Node #0,0,2: 83:[63, 94] Operation: 37+57=94 Exploring Operation: 37+63=100, Resulting Numbers: [57, 100] Generated Node #0,0,3: 83:[57, 100] Operation: 37+63=100 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 83:[63, 94], Operations: ['42+21=63', '37+57=94'] Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,83 unequal: No Solution Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,83 unequal: No Solution No 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: 83:[57, 100], Operations: ['42+21=63', '37+63=100'] Exploring Operation: 57*100=5700, Resulting Numbers: [5700] 5700,83 unequal: No Solution Exploring Operation: 100-57=43, Resulting Numbers: [43] 43,83 unequal: No Solution Exploring Operation: 57+100=157, Resulting Numbers: [157] 157,83 unequal: No Solution No 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: 83:[63, 20], Operations: ['42+21=63', '57-37=20'] Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,83 unequal: No Solution Exploring Operation: 63*20=1260, Resulting Numbers: [1260] 1260,83 unequal: No Solution Exploring Operation: 63+20=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[37, 42, 57, 21], Operations: [] Exploring Operation: 42+21=63, Resulting Numbers: [37, 57, 63] Generated Node #0,0: 83:[37, 57, 63] Operation: 42+21=63 Moving to Node #0,0 Current State: 83:[37, 57, 63], Operations: ['42+21=63'] Exploring Operation: 57-37=20, Resulting Numbers: [63, 20] Generated Node #0,0,0: 83:[63, 20] Operation: 57-37=20 Moving to Node #0,0,0 Current State: 83:[63, 20], Operations: ['42+21=63', '57-37=20'] Exploring Operation: 63+20=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 95, 42, 3, 18 ]
32
[ "95-42=53", "3+18=21", "53-21=32" ]
Current State: 32:[95, 42, 3, 18], Operations: [] Exploring Operation: 95-42=53, Resulting Numbers: [3, 18, 53] Generated Node #2: [3, 18, 53] from Operation: 95-42=53 Current State: 32:[3, 18, 53], Operations: ['95-42=53'] Exploring Operation: 3+18=21, Resulting Numbers: [53, 21] Generated Node #3: [53, 21] from Operation: 3+18=21 Current State: 32:[53, 21], Operations: ['95-42=53', '3+18=21'] Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[95, 42, 3, 18], Operations: [] Exploring Operation: 95-42=53, Resulting Numbers: [3, 18, 53] Generated Node #0,0: 32:[3, 18, 53] Operation: 95-42=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[3, 18, 53], Operations: ['95-42=53'] Exploring Operation: 53-18=35, Resulting Numbers: [3, 35] Generated Node #0,0,0: 32:[3, 35] Operation: 53-18=35 Moving to Node #0,0,0 Current State: 32:[3, 35], Operations: ['95-42=53', '53-18=35'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[95, 42, 3, 18], Operations: [] Exploring Operation: 95-42=53, Resulting Numbers: [3, 18, 53] Generated Node #0,0: 32:[3, 18, 53] Operation: 95-42=53 Moving to Node #0,0 Current State: 32:[3, 18, 53], Operations: ['95-42=53'] Exploring Operation: 53-18=35, Resulting Numbers: [3, 35] Generated Node #0,0,0: 32:[3, 35] Operation: 53-18=35 Moving to Node #0,0,0 Current State: 32:[3, 35], Operations: ['95-42=53', '53-18=35'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 53, 73, 26, 4 ]
21
[ "73-53=20", "20/4=5", "26-5=21" ]
Current State: 21:[53, 73, 26, 4], Operations: [] Exploring Operation: 73-53=20, Resulting Numbers: [26, 4, 20] Generated Node #2: [26, 4, 20] from Operation: 73-53=20 Current State: 21:[26, 4, 20], Operations: ['73-53=20'] Exploring Operation: 20/4=5, Resulting Numbers: [26, 5] Generated Node #3: [26, 5] from Operation: 20/4=5 Current State: 21:[26, 5], Operations: ['73-53=20', '20/4=5'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[53, 73, 26, 4], Operations: [] Exploring Operation: 73-53=20, Resulting Numbers: [26, 4, 20] Generated Node #0,0: 21:[26, 4, 20] Operation: 73-53=20 Moving to Node #0,0 Current State: 21:[26, 4, 20], Operations: ['73-53=20'] Exploring Operation: 26-4=22, Resulting Numbers: [20, 22] Generated Node #0,0,0: 21:[20, 22] Operation: 26-4=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[20, 22], Operations: ['73-53=20', '26-4=22'] Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,21 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
[ 78, 25, 50, 75 ]
22
[ "78+25=103", "50+75=125", "125-103=22" ]
Current State: 22:[78, 25, 50, 75], Operations: [] Exploring Operation: 78+25=103, Resulting Numbers: [50, 75, 103] Generated Node #2: [50, 75, 103] from Operation: 78+25=103 Current State: 22:[50, 75, 103], Operations: ['78+25=103'] Exploring Operation: 50+75=125, Resulting Numbers: [103, 125] Generated Node #3: [103, 125] from Operation: 50+75=125 Current State: 22:[103, 125], Operations: ['78+25=103', '50+75=125'] Exploring Operation: 125-103=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[78, 25, 50, 75], Operations: [] Exploring Operation: 78-75=3, Resulting Numbers: [25, 50, 3] Generated Node #0,0: 22:[25, 50, 3] Operation: 78-75=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[25, 50, 3], Operations: ['78-75=3'] Exploring Operation: 50/25=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 22:[3, 2] Operation: 50/25=2 Moving to Node #0,0,0 Current State: 22:[3, 2], Operations: ['78-75=3', '50/25=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 1, 34, 18, 36 ]
87
[ "34-1=33", "18+36=54", "33+54=87" ]
Current State: 87:[1, 34, 18, 36], Operations: [] Exploring Operation: 34-1=33, Resulting Numbers: [18, 36, 33] Generated Node #2: [18, 36, 33] from Operation: 34-1=33 Current State: 87:[18, 36, 33], Operations: ['34-1=33'] Exploring Operation: 18+36=54, Resulting Numbers: [33, 54] Generated Node #3: [33, 54] from Operation: 18+36=54 Current State: 87:[33, 54], Operations: ['34-1=33', '18+36=54'] Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[1, 34, 18, 36], Operations: [] Exploring Operation: 34-1=33, Resulting Numbers: [18, 36, 33] Generated Node #0,0: 87:[18, 36, 33] Operation: 34-1=33 Exploring Operation: 36-34=2, Resulting Numbers: [1, 18, 2] Generated Node #0,1: 87:[1, 18, 2] Operation: 36-34=2 Exploring Operation: 1+18=19, Resulting Numbers: [34, 36, 19] Generated Node #0,2: 87:[34, 36, 19] Operation: 1+18=19 Exploring Operation: 36/18=2, Resulting Numbers: [1, 34, 2] Generated Node #0,3: 87:[1, 34, 2] Operation: 36/18=2 Exploring Operation: 36-18=18, Resulting Numbers: [1, 34, 18] Generated Node #0,4: 87:[1, 34, 18] Operation: 36-18=18 Moving to Node #0,3 Current State: 87:[1, 34, 2], Operations: ['36/18=2'] Exploring Operation: 34-2=32, Resulting Numbers: [1, 32] Generated Node #0,3,0: 87:[1, 32] Operation: 34-2=32 Exploring Operation: 1+2=3, Resulting Numbers: [34, 3] Generated Node #0,3,1: 87:[34, 3] Operation: 1+2=3 Exploring Operation: 34/1=34, Resulting Numbers: [2, 34] Generated Node #0,3,2: 87:[2, 34] Operation: 34/1=34 Exploring Operation: 1*34=34, Resulting Numbers: [2, 34] Generated Node #0,3,3: 87:[2, 34] Operation: 1*34=34 Exploring Operation: 34-1=33, Resulting Numbers: [2, 33] Generated Node #0,3,4: 87:[2, 33] Operation: 34-1=33 Moving to Node #0,1 Current State: 87:[1, 18, 2], Operations: ['36-34=2'] Exploring Operation: 18*2=36, Resulting Numbers: [1, 36] Generated Node #0,1,0: 87:[1, 36] Operation: 18*2=36 Exploring Operation: 1+18=19, Resulting Numbers: [2, 19] Generated Node #0,1,1: 87:[2, 19] Operation: 1+18=19 Exploring Operation: 18+2=20, Resulting Numbers: [1, 20] Generated Node #0,1,2: 87:[1, 20] Operation: 18+2=20 Exploring Operation: 18/2=9, Resulting Numbers: [1, 9] Generated Node #0,1,3: 87:[1, 9] Operation: 18/2=9 Exploring Operation: 1+2=3, Resulting Numbers: [18, 3] Generated Node #0,1,4: 87:[18, 3] Operation: 1+2=3 Moving to Node #0,4 Current State: 87:[1, 34, 18], Operations: ['36-18=18'] Exploring Operation: 34/1=34, Resulting Numbers: [18, 34] Generated Node #0,4,0: 87:[18, 34] Operation: 34/1=34 Exploring Operation: 1+18=19, Resulting Numbers: [34, 19] Generated Node #0,4,1: 87:[34, 19] Operation: 1+18=19 Exploring Operation: 1*34=34, Resulting Numbers: [18, 34] Generated Node #0,4,2: 87:[18, 34] Operation: 1*34=34 Exploring Operation: 34-1=33, Resulting Numbers: [18, 33] Generated Node #0,4,3: 87:[18, 33] Operation: 34-1=33 Exploring Operation: 34-18=16, Resulting Numbers: [1, 16] Generated Node #0,4,4: 87:[1, 16] Operation: 34-18=16 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 87:[34, 19], Operations: ['36-18=18', '1+18=19'] Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,87 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,87 unequal: No Solution Exploring Operation: 34*19=646, Resulting Numbers: [646] 646,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 87:[18, 33], Operations: ['36-18=18', '34-1=33'] Exploring Operation: 18*33=594, Resulting Numbers: [594] 594,87 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,87 unequal: No Solution Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 87:[1, 16], Operations: ['36-18=18', '34-18=16'] Exploring Operation: 1+16=17, Resulting Numbers: [17] 17,87 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,87 unequal: No Solution Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,87 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 87:[18, 34], Operations: ['36-18=18', '34/1=34'] Exploring Operation: 18*34=612, Resulting Numbers: [612] 612,87 unequal: No Solution Exploring Operation: 18+34=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 87:[18, 34], Operations: ['36-18=18', '1*34=34'] Exploring Operation: 18+34=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,87 unequal: No Solution Exploring Operation: 18*34=612, Resulting Numbers: [612] 612,87 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: 87:[18, 36, 33], Operations: ['34-1=33'] Exploring Operation: 18+36=54, Resulting Numbers: [33, 54] Generated Node #0,0,0: 87:[33, 54] Operation: 18+36=54 Exploring Operation: 36-18=18, Resulting Numbers: [33, 18] Generated Node #0,0,1: 87:[33, 18] Operation: 36-18=18 Exploring Operation: 36-33=3, Resulting Numbers: [18, 3] Generated Node #0,0,2: 87:[18, 3] Operation: 36-33=3 Exploring Operation: 33-18=15, Resulting Numbers: [36, 15] Generated Node #0,0,3: 87:[36, 15] Operation: 33-18=15 Exploring Operation: 36/18=2, Resulting Numbers: [33, 2] Generated Node #0,0,4: 87:[33, 2] Operation: 36/18=2 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 87:[33, 2], Operations: ['34-1=33', '36/18=2'] Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,87 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 87:[18, 3], Operations: ['34-1=33', '36-33=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,87 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,87 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[33, 18], Operations: ['34-1=33', '36-18=18'] Exploring Operation: 33*18=594, Resulting Numbers: [594] 594,87 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,87 unequal: No Solution Exploring Operation: 33+18=51, Resulting Numbers: [51] 51,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 87:[36, 15], Operations: ['34-1=33', '33-18=15'] Exploring Operation: 36+15=51, Resulting Numbers: [51] 51,87 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,87 unequal: No Solution Exploring Operation: 36*15=540, Resulting Numbers: [540] 540,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[33, 54], Operations: ['34-1=33', '18+36=54'] Exploring Operation: 33*54=1782, Resulting Numbers: [1782] 1782,87 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,87 unequal: No Solution Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[1, 34, 18, 36], Operations: [] Exploring Operation: 34-1=33, Resulting Numbers: [18, 36, 33] Generated Node #0,0: 87:[18, 36, 33] Operation: 34-1=33 Moving to Node #0,0 Current State: 87:[18, 36, 33], Operations: ['34-1=33'] Exploring Operation: 18+36=54, Resulting Numbers: [33, 54] Generated Node #0,0,0: 87:[33, 54] Operation: 18+36=54 Moving to Node #0,0,0 Current State: 87:[33, 54], Operations: ['34-1=33', '18+36=54'] Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.947049
hs_5
mult_heuristic
[ 12, 28, 57, 47 ]
36
[ "12*57=684", "47-28=19", "684/19=36" ]
Current State: 36:[12, 28, 57, 47], Operations: [] Exploring Operation: 12*57=684, Resulting Numbers: [28, 47, 684] Generated Node #2: [28, 47, 684] from Operation: 12*57=684 Current State: 36:[28, 47, 684], Operations: ['12*57=684'] Exploring Operation: 47-28=19, Resulting Numbers: [684, 19] Generated Node #3: [684, 19] from Operation: 47-28=19 Current State: 36:[684, 19], Operations: ['12*57=684', '47-28=19'] Exploring Operation: 684/19=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[12, 28, 57, 47], Operations: [] Exploring Operation: 47-28=19, Resulting Numbers: [12, 57, 19] Generated Node #0,0: 36:[12, 57, 19] Operation: 47-28=19 Exploring Operation: 47-12=35, Resulting Numbers: [28, 57, 35] Generated Node #0,1: 36:[28, 57, 35] Operation: 47-12=35 Exploring Operation: 57-28=29, Resulting Numbers: [12, 47, 29] Generated Node #0,2: 36:[12, 47, 29] Operation: 57-28=29 Exploring Operation: 57-12=45, Resulting Numbers: [28, 47, 45] Generated Node #0,3: 36:[28, 47, 45] Operation: 57-12=45 Exploring Operation: 57-47=10, Resulting Numbers: [12, 28, 10] Generated Node #0,4: 36:[12, 28, 10] Operation: 57-47=10 Moving to Node #0,4 Current State: 36:[12, 28, 10], Operations: ['57-47=10'] Exploring Operation: 28+10=38, Resulting Numbers: [12, 38] Generated Node #0,4,0: 36:[12, 38] Operation: 28+10=38 Exploring Operation: 12-10=2, Resulting Numbers: [28, 2] Generated Node #0,4,1: 36:[28, 2] Operation: 12-10=2 Exploring Operation: 28-10=18, Resulting Numbers: [12, 18] Generated Node #0,4,2: 36:[12, 18] Operation: 28-10=18 Exploring Operation: 12+28=40, Resulting Numbers: [10, 40] Generated Node #0,4,3: 36:[10, 40] Operation: 12+28=40 Exploring Operation: 28-12=16, Resulting Numbers: [10, 16] Generated Node #0,4,4: 36:[10, 16] Operation: 28-12=16 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 36:[12, 18], Operations: ['57-47=10', '28-10=18'] Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,36 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 36:[12, 38], Operations: ['57-47=10', '28+10=38'] Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 12*38=456, Resulting Numbers: [456] 456,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 36:[10, 16], Operations: ['57-47=10', '28-12=16'] Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,36 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 36:[10, 40], Operations: ['57-47=10', '12+28=40'] Exploring Operation: 10+40=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,36 unequal: No Solution Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 10*40=400, Resulting Numbers: [400] 400,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 36:[28, 2], Operations: ['57-47=10', '12-10=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,36 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,36 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: 36:[12, 47, 29], Operations: ['57-28=29'] Exploring Operation: 47-12=35, Resulting Numbers: [29, 35] Generated Node #0,2,0: 36:[29, 35] Operation: 47-12=35 Exploring Operation: 47-29=18, Resulting Numbers: [12, 18] Generated Node #0,2,1: 36:[12, 18] Operation: 47-29=18 Exploring Operation: 29-12=17, Resulting Numbers: [47, 17] Generated Node #0,2,2: 36:[47, 17] Operation: 29-12=17 Exploring Operation: 12+47=59, Resulting Numbers: [29, 59] Generated Node #0,2,3: 36:[29, 59] Operation: 12+47=59 Exploring Operation: 12+29=41, Resulting Numbers: [47, 41] Generated Node #0,2,4: 36:[47, 41] Operation: 12+29=41 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 36:[12, 18], Operations: ['57-28=29', '47-29=18'] Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 36:[29, 35], Operations: ['57-28=29', '47-12=35'] Exploring Operation: 29+35=64, Resulting Numbers: [64] 64,36 unequal: No Solution Exploring Operation: 29*35=1015, Resulting Numbers: [1015] 1015,36 unequal: No Solution Exploring Operation: 35-29=6, Resulting Numbers: [6] 6,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 36:[47, 17], Operations: ['57-28=29', '29-12=17'] Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 47+17=64, Resulting Numbers: [64] 64,36 unequal: No Solution Exploring Operation: 47*17=799, Resulting Numbers: [799] 799,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 36:[47, 41], Operations: ['57-28=29', '12+29=41'] Exploring Operation: 47*41=1927, Resulting Numbers: [1927] 1927,36 unequal: No Solution Exploring Operation: 47+41=88, Resulting Numbers: [88] 88,36 unequal: No Solution Exploring Operation: 47-41=6, Resulting Numbers: [6] 6,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 36:[29, 59], Operations: ['57-28=29', '12+47=59'] Exploring Operation: 59-29=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 29*59=1711, Resulting Numbers: [1711] 1711,36 unequal: No Solution Exploring Operation: 29+59=88, Resulting Numbers: [88] 88,36 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: 36:[12, 57, 19], Operations: ['47-28=19'] Exploring Operation: 57-19=38, Resulting Numbers: [12, 38] Generated Node #0,0,0: 36:[12, 38] Operation: 57-19=38 Exploring Operation: 12+19=31, Resulting Numbers: [57, 31] Generated Node #0,0,1: 36:[57, 31] Operation: 12+19=31 Exploring Operation: 57-12=45, Resulting Numbers: [19, 45] Generated Node #0,0,2: 36:[19, 45] Operation: 57-12=45 Exploring Operation: 19-12=7, Resulting Numbers: [57, 7] Generated Node #0,0,3: 36:[57, 7] Operation: 19-12=7 Exploring Operation: 57/19=3, Resulting Numbers: [12, 3] Generated Node #0,0,4: 36:[12, 3] Operation: 57/19=3 Moving to Node #0,3 Current State: 36:[28, 47, 45], Operations: ['57-12=45'] Exploring Operation: 28+47=75, Resulting Numbers: [45, 75] Generated Node #0,3,0: 36:[45, 75] Operation: 28+47=75 Exploring Operation: 47-45=2, Resulting Numbers: [28, 2] Generated Node #0,3,1: 36:[28, 2] Operation: 47-45=2 Exploring Operation: 28+45=73, Resulting Numbers: [47, 73] Generated Node #0,3,2: 36:[47, 73] Operation: 28+45=73 Exploring Operation: 47-28=19, Resulting Numbers: [45, 19] Generated Node #0,3,3: 36:[45, 19] Operation: 47-28=19 Exploring Operation: 45-28=17, Resulting Numbers: [47, 17] Generated Node #0,3,4: 36:[47, 17] Operation: 45-28=17 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 36:[28, 2], Operations: ['57-12=45', '47-45=2'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,36 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 36:[45, 19], Operations: ['57-12=45', '47-28=19'] Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,36 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 36:[47, 17], Operations: ['57-12=45', '45-28=17'] Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 47*17=799, Resulting Numbers: [799] 799,36 unequal: No Solution Exploring Operation: 47+17=64, Resulting Numbers: [64] 64,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 36:[45, 75], Operations: ['57-12=45', '28+47=75'] Exploring Operation: 45+75=120, Resulting Numbers: [120] 120,36 unequal: No Solution Exploring Operation: 45*75=3375, Resulting Numbers: [3375] 3375,36 unequal: No Solution Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 36:[47, 73], Operations: ['57-12=45', '28+45=73'] Exploring Operation: 47*73=3431, Resulting Numbers: [3431] 3431,36 unequal: No Solution Exploring Operation: 73-47=26, Resulting Numbers: [26] 26,36 unequal: No Solution Exploring Operation: 47+73=120, Resulting Numbers: [120] 120,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 36:[28, 57, 35], Operations: ['47-12=35'] Exploring Operation: 28+35=63, Resulting Numbers: [57, 63] Generated Node #0,1,0: 36:[57, 63] Operation: 28+35=63 Exploring Operation: 35-28=7, Resulting Numbers: [57, 7] Generated Node #0,1,1: 36:[57, 7] Operation: 35-28=7 Exploring Operation: 57-35=22, Resulting Numbers: [28, 22] Generated Node #0,1,2: 36:[28, 22] Operation: 57-35=22 Exploring Operation: 28+57=85, Resulting Numbers: [35, 85] Generated Node #0,1,3: 36:[35, 85] Operation: 28+57=85 Exploring Operation: 57-28=29, Resulting Numbers: [35, 29] Generated Node #0,1,4: 36:[35, 29] Operation: 57-28=29 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 36:[35, 29], Operations: ['47-12=35', '57-28=29'] Exploring Operation: 35-29=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 35+29=64, Resulting Numbers: [64] 64,36 unequal: No Solution Exploring Operation: 35*29=1015, Resulting Numbers: [1015] 1015,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 36:[28, 22], Operations: ['47-12=35', '57-35=22'] Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,36 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[57, 7], Operations: ['47-12=35', '35-28=7'] Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 57+7=64, Resulting Numbers: [64] 64,36 unequal: No Solution Exploring Operation: 57*7=399, Resulting Numbers: [399] 399,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 36:[57, 63], Operations: ['47-12=35', '28+35=63'] Exploring Operation: 57+63=120, Resulting Numbers: [120] 120,36 unequal: No Solution Exploring Operation: 57*63=3591, Resulting Numbers: [3591] 3591,36 unequal: No Solution Exploring Operation: 63-57=6, Resulting Numbers: [6] 6,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 36:[35, 85], Operations: ['47-12=35', '28+57=85'] Exploring Operation: 35+85=120, Resulting Numbers: [120] 120,36 unequal: No Solution Exploring Operation: 85-35=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 35*85=2975, Resulting Numbers: [2975] 2975,36 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: 36:[12, 3], Operations: ['47-28=19', '57/19=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[12, 28, 57, 47], Operations: [] Exploring Operation: 47-28=19, Resulting Numbers: [12, 57, 19] Generated Node #0,0: 36:[12, 57, 19] Operation: 47-28=19 Moving to Node #0,0 Current State: 36:[12, 57, 19], Operations: ['47-28=19'] Exploring Operation: 57/19=3, Resulting Numbers: [12, 3] Generated Node #0,0,4: 36:[12, 3] Operation: 57/19=3 Moving to Node #0,0,4 Current State: 36:[12, 3], Operations: ['47-28=19', '57/19=3'] Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.914063
hs_5
mult_heuristic
[ 54, 46, 52, 60 ]
32
[ "54-52=2", "46*2=92", "92-60=32" ]
Current State: 32:[54, 46, 52, 60], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [46, 60, 2] Generated Node #2: [46, 60, 2] from Operation: 54-52=2 Current State: 32:[46, 60, 2], Operations: ['54-52=2'] Exploring Operation: 46*2=92, Resulting Numbers: [60, 92] Generated Node #3: [60, 92] from Operation: 46*2=92 Current State: 32:[60, 92], Operations: ['54-52=2', '46*2=92'] Exploring Operation: 92-60=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[54, 46, 52, 60], Operations: [] Exploring Operation: 60-54=6, Resulting Numbers: [46, 52, 6] Generated Node #0,0: 32:[46, 52, 6] Operation: 60-54=6 Exploring Operation: 54-52=2, Resulting Numbers: [46, 60, 2] Generated Node #0,1: 32:[46, 60, 2] Operation: 54-52=2 Exploring Operation: 60-46=14, Resulting Numbers: [54, 52, 14] Generated Node #0,2: 32:[54, 52, 14] Operation: 60-46=14 Exploring Operation: 60-52=8, Resulting Numbers: [54, 46, 8] Generated Node #0,3: 32:[54, 46, 8] Operation: 60-52=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[46, 52, 6], Operations: ['60-54=6'] Exploring Operation: 52-6=46, Resulting Numbers: [46, 46] Generated Node #0,0,0: 32:[46, 46] Operation: 52-6=46 Exploring Operation: 52-46=6, Resulting Numbers: [6, 6] Generated Node #0,0,1: 32:[6, 6] Operation: 52-46=6 Exploring Operation: 46-6=40, Resulting Numbers: [52, 40] Generated Node #0,0,2: 32:[52, 40] Operation: 46-6=40 Exploring Operation: 46+6=52, Resulting Numbers: [52, 52] Generated Node #0,0,3: 32:[52, 52] Operation: 46+6=52 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 32:[6, 6], Operations: ['60-54=6', '52-46=6'] Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,32 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[46, 46], Operations: ['60-54=6', '52-6=46'] Exploring Operation: 46/46=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 46*46=2116, Resulting Numbers: [2116] 2116,32 unequal: No Solution Exploring Operation: 46-46=0, Resulting Numbers: [0] 0,32 unequal: No Solution Exploring Operation: 46+46=92, Resulting Numbers: [92] 92,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 32:[52, 40], Operations: ['60-54=6', '46-6=40'] Exploring Operation: 52*40=2080, Resulting Numbers: [2080] 2080,32 unequal: No Solution Exploring Operation: 52+40=92, Resulting Numbers: [92] 92,32 unequal: No Solution Exploring Operation: 52-40=12, Resulting Numbers: [12] 12,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 32:[52, 52], Operations: ['60-54=6', '46+6=52'] Exploring Operation: 52-52=0, Resulting Numbers: [0] 0,32 unequal: No Solution Exploring Operation: 52/52=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 52*52=2704, Resulting Numbers: [2704] 2704,32 unequal: No Solution Exploring Operation: 52+52=104, Resulting Numbers: [104] 104,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 32:[54, 46, 8], Operations: ['60-52=8'] Exploring Operation: 54+8=62, Resulting Numbers: [46, 62] Generated Node #0,3,0: 32:[46, 62] Operation: 54+8=62 Exploring Operation: 54-46=8, Resulting Numbers: [8, 8] Generated Node #0,3,1: 32:[8, 8] Operation: 54-46=8 Exploring Operation: 46-8=38, Resulting Numbers: [54, 38] Generated Node #0,3,2: 32:[54, 38] Operation: 46-8=38 Exploring Operation: 54-8=46, Resulting Numbers: [46, 46] Generated Node #0,3,3: 32:[46, 46] Operation: 54-8=46 Moving to Node #0,3,1 Current State: 32:[8, 8], Operations: ['60-52=8', '54-46=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,32 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,32 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,32 unequal: No Solution Moving to Node #0,3,3 Current State: 32:[46, 46], Operations: ['60-52=8', '54-8=46'] Exploring Operation: 46/46=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 46+46=92, Resulting Numbers: [92] 92,32 unequal: No Solution Exploring Operation: 46-46=0, Resulting Numbers: [0] 0,32 unequal: No Solution Exploring Operation: 46*46=2116, Resulting Numbers: [2116] 2116,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[54, 38], Operations: ['60-52=8', '46-8=38'] Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 54*38=2052, Resulting Numbers: [2052] 2052,32 unequal: No Solution Exploring Operation: 54+38=92, Resulting Numbers: [92] 92,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[46, 62], Operations: ['60-52=8', '54+8=62'] Exploring Operation: 46*62=2852, Resulting Numbers: [2852] 2852,32 unequal: No Solution Exploring Operation: 46+62=108, Resulting Numbers: [108] 108,32 unequal: No Solution Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[46, 60, 2], Operations: ['54-52=2'] Exploring Operation: 46/2=23, Resulting Numbers: [60, 23] Generated Node #0,1,0: 32:[60, 23] Operation: 46/2=23 Exploring Operation: 46-2=44, Resulting Numbers: [60, 44] Generated Node #0,1,1: 32:[60, 44] Operation: 46-2=44 Exploring Operation: 60-46=14, Resulting Numbers: [2, 14] Generated Node #0,1,2: 32:[2, 14] Operation: 60-46=14 Exploring Operation: 60/2=30, Resulting Numbers: [46, 30] Generated Node #0,1,3: 32:[46, 30] Operation: 60/2=30 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 32:[2, 14], Operations: ['54-52=2', '60-46=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 32:[46, 30], Operations: ['54-52=2', '60/2=30'] Exploring Operation: 46*30=1380, Resulting Numbers: [1380] 1380,32 unequal: No Solution Exploring Operation: 46+30=76, Resulting Numbers: [76] 76,32 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 32:[60, 23], Operations: ['54-52=2', '46/2=23'] Exploring Operation: 60*23=1380, Resulting Numbers: [1380] 1380,32 unequal: No Solution Exploring Operation: 60+23=83, Resulting Numbers: [83] 83,32 unequal: No Solution Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 32:[60, 44], Operations: ['54-52=2', '46-2=44'] Exploring Operation: 60+44=104, Resulting Numbers: [104] 104,32 unequal: No Solution Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 60*44=2640, Resulting Numbers: [2640] 2640,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[54, 52, 14], Operations: ['60-46=14'] Exploring Operation: 54+14=68, Resulting Numbers: [52, 68] Generated Node #0,2,0: 32:[52, 68] Operation: 54+14=68 Exploring Operation: 52-14=38, Resulting Numbers: [54, 38] Generated Node #0,2,1: 32:[54, 38] Operation: 52-14=38 Exploring Operation: 54-52=2, Resulting Numbers: [14, 2] Generated Node #0,2,2: 32:[14, 2] Operation: 54-52=2 Exploring Operation: 54-14=40, Resulting Numbers: [52, 40] Generated Node #0,2,3: 32:[52, 40] Operation: 54-14=40 Moving to Node #0,2,2 Current State: 32:[14, 2], Operations: ['60-46=14', '54-52=2'] Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,32 unequal: No Solution Moving to Node #0,2,3 Current State: 32:[52, 40], Operations: ['60-46=14', '54-14=40'] Exploring Operation: 52*40=2080, Resulting Numbers: [2080] 2080,32 unequal: No Solution Exploring Operation: 52-40=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 52+40=92, Resulting Numbers: [92] 92,32 unequal: No Solution Moving to Node #0,2,1 Current State: 32:[54, 38], Operations: ['60-46=14', '52-14=38'] Exploring Operation: 54+38=92, Resulting Numbers: [92] 92,32 unequal: No Solution Exploring Operation: 54*38=2052, Resulting Numbers: [2052] 2052,32 unequal: No Solution Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[52, 68], Operations: ['60-46=14', '54+14=68'] Exploring Operation: 68-52=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 52+68=120, Resulting Numbers: [120] 120,32 unequal: No Solution Exploring Operation: 52*68=3536, Resulting Numbers: [3536] 3536,32 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
[ 46, 92, 14, 24 ]
97
[ "46+24=70", "70/14=5", "92+5=97" ]
Current State: 97:[46, 92, 14, 24], Operations: [] Exploring Operation: 46+24=70, Resulting Numbers: [92, 14, 70] Generated Node #2: [92, 14, 70] from Operation: 46+24=70 Current State: 97:[92, 14, 70], Operations: ['46+24=70'] Exploring Operation: 70/14=5, Resulting Numbers: [92, 5] Generated Node #3: [92, 5] from Operation: 70/14=5 Current State: 97:[92, 5], Operations: ['46+24=70', '70/14=5'] Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[46, 92, 14, 24], Operations: [] Exploring Operation: 46+14=60, Resulting Numbers: [92, 24, 60] Generated Node #0,0: 97:[92, 24, 60] Operation: 46+14=60 Exploring Operation: 46+24=70, Resulting Numbers: [92, 14, 70] Generated Node #0,1: 97:[92, 14, 70] Operation: 46+24=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[92, 24, 60], Operations: ['46+14=60'] Exploring Operation: 24+60=84, Resulting Numbers: [92, 84] Generated Node #0,0,0: 97:[92, 84] Operation: 24+60=84 Exploring Operation: 92+24=116, Resulting Numbers: [60, 116] Generated Node #0,0,1: 97:[60, 116] Operation: 92+24=116 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[92, 84], Operations: ['46+14=60', '24+60=84'] Exploring Operation: 92+84=176, Resulting Numbers: [176] 176,97 unequal: No Solution Exploring Operation: 92-84=8, Resulting Numbers: [8] 8,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[60, 116], Operations: ['46+14=60', '92+24=116'] Exploring Operation: 116-60=56, Resulting Numbers: [56] 56,97 unequal: No Solution Exploring Operation: 60+116=176, Resulting Numbers: [176] 176,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[92, 14, 70], Operations: ['46+24=70'] Exploring Operation: 92+14=106, Resulting Numbers: [70, 106] Generated Node #0,1,0: 97:[70, 106] Operation: 92+14=106 Exploring Operation: 14+70=84, Resulting Numbers: [92, 84] Generated Node #0,1,1: 97:[92, 84] Operation: 14+70=84 Moving to Node #0,1,1 Current State: 97:[92, 84], Operations: ['46+24=70', '14+70=84'] Exploring Operation: 92-84=8, Resulting Numbers: [8] 8,97 unequal: No Solution Exploring Operation: 92+84=176, Resulting Numbers: [176] 176,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[70, 106], Operations: ['46+24=70', '92+14=106'] Exploring Operation: 106-70=36, Resulting Numbers: [36] 36,97 unequal: No Solution Exploring Operation: 70+106=176, Resulting Numbers: [176] 176,97 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
[ 29, 50, 56, 49 ]
86
[ "29+50=79", "56-49=7", "79+7=86" ]
Current State: 86:[29, 50, 56, 49], Operations: [] Exploring Operation: 29+50=79, Resulting Numbers: [56, 49, 79] Generated Node #2: [56, 49, 79] from Operation: 29+50=79 Current State: 86:[56, 49, 79], Operations: ['29+50=79'] Exploring Operation: 56-49=7, Resulting Numbers: [79, 7] Generated Node #3: [79, 7] from Operation: 56-49=7 Current State: 86:[79, 7], Operations: ['29+50=79', '56-49=7'] Exploring Operation: 79+7=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[29, 50, 56, 49], Operations: [] Exploring Operation: 29+56=85, Resulting Numbers: [50, 49, 85] Generated Node #0,0: 86:[50, 49, 85] Operation: 29+56=85 Moving to Node #0,0 Current State: 86:[50, 49, 85], Operations: ['29+56=85'] Exploring Operation: 50-49=1, Resulting Numbers: [85, 1] Generated Node #0,0,0: 86:[85, 1] Operation: 50-49=1 Moving to Node #0,0,0 Current State: 86:[85, 1], Operations: ['29+56=85', '50-49=1'] Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[29, 50, 56, 49], Operations: [] Exploring Operation: 29+56=85, Resulting Numbers: [50, 49, 85] Generated Node #0,0: 86:[50, 49, 85] Operation: 29+56=85 Moving to Node #0,0 Current State: 86:[50, 49, 85], Operations: ['29+56=85'] Exploring Operation: 50-49=1, Resulting Numbers: [85, 1] Generated Node #0,0,0: 86:[85, 1] Operation: 50-49=1 Moving to Node #0,0,0 Current State: 86:[85, 1], Operations: ['29+56=85', '50-49=1'] Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 76, 18, 81, 99 ]
75
[ "18+81=99", "99/99=1", "76-1=75" ]
Current State: 75:[76, 18, 81, 99], Operations: [] Exploring Operation: 18+81=99, Resulting Numbers: [76, 99, 99] Generated Node #2: [76, 99, 99] from Operation: 18+81=99 Current State: 75:[76, 99, 99], Operations: ['18+81=99'] Exploring Operation: 99/99=1, Resulting Numbers: [76, 1] Generated Node #3: [76, 1] from Operation: 99/99=1 Current State: 75:[76, 1], Operations: ['18+81=99', '99/99=1'] Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[76, 18, 81, 99], Operations: [] Exploring Operation: 99-18=81, Resulting Numbers: [76, 81, 81] Generated Node #0,0: 75:[76, 81, 81] Operation: 99-18=81 Exploring Operation: 81-18=63, Resulting Numbers: [76, 99, 63] Generated Node #0,1: 75:[76, 99, 63] Operation: 81-18=63 Exploring Operation: 81-76=5, Resulting Numbers: [18, 99, 5] Generated Node #0,2: 75:[18, 99, 5] Operation: 81-76=5 Exploring Operation: 99-81=18, Resulting Numbers: [76, 18, 18] Generated Node #0,3: 75:[76, 18, 18] Operation: 99-81=18 Exploring Operation: 99-76=23, Resulting Numbers: [18, 81, 23] Generated Node #0,4: 75:[18, 81, 23] Operation: 99-76=23 Moving to Node #0,3 Current State: 75:[76, 18, 18], Operations: ['99-81=18'] Exploring Operation: 18/18=1, Resulting Numbers: [76, 1] Generated Node #0,3,0: 75:[76, 1] Operation: 18/18=1 Exploring Operation: 76-18=58, Resulting Numbers: [18, 58] Generated Node #0,3,1: 75:[18, 58] Operation: 76-18=58 Exploring Operation: 18+18=36, Resulting Numbers: [76, 36] Generated Node #0,3,2: 75:[76, 36] Operation: 18+18=36 Exploring Operation: 76-18=58, Resulting Numbers: [18, 58] Generated Node #0,3,3: 75:[18, 58] Operation: 76-18=58 Exploring Operation: 18-18=0, Resulting Numbers: [76, 0] Generated Node #0,3,4: 75:[76, 0] Operation: 18-18=0 Moving to Node #0,4 Current State: 75:[18, 81, 23], Operations: ['99-76=23'] Exploring Operation: 23-18=5, Resulting Numbers: [81, 5] Generated Node #0,4,0: 75:[81, 5] Operation: 23-18=5 Exploring Operation: 81-23=58, Resulting Numbers: [18, 58] Generated Node #0,4,1: 75:[18, 58] Operation: 81-23=58 Exploring Operation: 81-18=63, Resulting Numbers: [23, 63] Generated Node #0,4,2: 75:[23, 63] Operation: 81-18=63 Exploring Operation: 18+81=99, Resulting Numbers: [23, 99] Generated Node #0,4,3: 75:[23, 99] Operation: 18+81=99 Exploring Operation: 18+23=41, Resulting Numbers: [81, 41] Generated Node #0,4,4: 75:[81, 41] Operation: 18+23=41 Moving to Node #0,0 Current State: 75:[76, 81, 81], Operations: ['99-18=81'] Exploring Operation: 81-76=5, Resulting Numbers: [81, 5] Generated Node #0,0,0: 75:[81, 5] Operation: 81-76=5 Exploring Operation: 81-81=0, Resulting Numbers: [76, 0] Generated Node #0,0,1: 75:[76, 0] Operation: 81-81=0 Exploring Operation: 76+81=157, Resulting Numbers: [81, 157] Generated Node #0,0,2: 75:[81, 157] Operation: 76+81=157 Exploring Operation: 81/81=1, Resulting Numbers: [76, 1] Generated Node #0,0,3: 75:[76, 1] Operation: 81/81=1 Exploring Operation: 81-76=5, Resulting Numbers: [81, 5] Generated Node #0,0,4: 75:[81, 5] Operation: 81-76=5 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 75:[76, 1], Operations: ['99-18=81', '81/81=1'] Exploring Operation: 76+1=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[76, 18, 81, 99], Operations: [] Exploring Operation: 99-18=81, Resulting Numbers: [76, 81, 81] Generated Node #0,0: 75:[76, 81, 81] Operation: 99-18=81 Moving to Node #0,0 Current State: 75:[76, 81, 81], Operations: ['99-18=81'] Exploring Operation: 81/81=1, Resulting Numbers: [76, 1] Generated Node #0,0,3: 75:[76, 1] Operation: 81/81=1 Moving to Node #0,0,3 Current State: 75:[76, 1], Operations: ['99-18=81', '81/81=1'] Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 52, 84, 36, 53 ]
49
[ "84-52=32", "53-36=17", "32+17=49" ]
Current State: 49:[52, 84, 36, 53], Operations: [] Exploring Operation: 84-52=32, Resulting Numbers: [36, 53, 32] Generated Node #2: [36, 53, 32] from Operation: 84-52=32 Current State: 49:[36, 53, 32], Operations: ['84-52=32'] Exploring Operation: 53-36=17, Resulting Numbers: [32, 17] Generated Node #3: [32, 17] from Operation: 53-36=17 Current State: 49:[32, 17], Operations: ['84-52=32', '53-36=17'] Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[52, 84, 36, 53], Operations: [] Exploring Operation: 84-52=32, Resulting Numbers: [36, 53, 32] Generated Node #0,0: 49:[36, 53, 32] Operation: 84-52=32 Exploring Operation: 84-36=48, Resulting Numbers: [52, 53, 48] Generated Node #0,1: 49:[52, 53, 48] Operation: 84-36=48 Moving to Node #0,1 Current State: 49:[52, 53, 48], Operations: ['84-36=48'] Exploring Operation: 53-52=1, Resulting Numbers: [48, 1] Generated Node #0,1,0: 49:[48, 1] Operation: 53-52=1 Exploring Operation: 53-48=5, Resulting Numbers: [52, 5] Generated Node #0,1,1: 49:[52, 5] Operation: 53-48=5 Moving to Node #0,0 Current State: 49:[36, 53, 32], Operations: ['84-52=32'] Exploring Operation: 36-32=4, Resulting Numbers: [53, 4] Generated Node #0,0,0: 49:[53, 4] Operation: 36-32=4 Exploring Operation: 36+32=68, Resulting Numbers: [53, 68] Generated Node #0,0,1: 49:[53, 68] Operation: 36+32=68 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[53, 4], Operations: ['84-52=32', '36-32=4'] Exploring Operation: 53+4=57, Resulting Numbers: [57] 57,49 unequal: No Solution Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[52, 84, 36, 53], Operations: [] Exploring Operation: 84-52=32, Resulting Numbers: [36, 53, 32] Generated Node #0,0: 49:[36, 53, 32] Operation: 84-52=32 Moving to Node #0,0 Current State: 49:[36, 53, 32], Operations: ['84-52=32'] Exploring Operation: 36-32=4, Resulting Numbers: [53, 4] Generated Node #0,0,0: 49:[53, 4] Operation: 36-32=4 Moving to Node #0,0,0 Current State: 49:[53, 4], Operations: ['84-52=32', '36-32=4'] Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 20, 43, 16, 86 ]
34
[ "20+16=36", "86/43=2", "36-2=34" ]
Current State: 34:[20, 43, 16, 86], Operations: [] Exploring Operation: 20+16=36, Resulting Numbers: [43, 86, 36] Generated Node #2: [43, 86, 36] from Operation: 20+16=36 Current State: 34:[43, 86, 36], Operations: ['20+16=36'] Exploring Operation: 86/43=2, Resulting Numbers: [36, 2] Generated Node #3: [36, 2] from Operation: 86/43=2 Current State: 34:[36, 2], Operations: ['20+16=36', '86/43=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[20, 43, 16, 86], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [20, 16, 2] Generated Node #0,0: 34:[20, 16, 2] Operation: 86/43=2 Moving to Node #0,0 Current State: 34:[20, 16, 2], Operations: ['86/43=2'] Exploring Operation: 20+16=36, Resulting Numbers: [2, 36] Generated Node #0,0,0: 34:[2, 36] Operation: 20+16=36 Moving to Node #0,0,0 Current State: 34:[2, 36], Operations: ['86/43=2', '20+16=36'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[20, 43, 16, 86], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [20, 16, 2] Generated Node #0,0: 34:[20, 16, 2] Operation: 86/43=2 Moving to Node #0,0 Current State: 34:[20, 16, 2], Operations: ['86/43=2'] Exploring Operation: 20+16=36, Resulting Numbers: [2, 36] Generated Node #0,0,0: 34:[2, 36] Operation: 20+16=36 Moving to Node #0,0,0 Current State: 34:[2, 36], Operations: ['86/43=2', '20+16=36'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 76, 23, 59, 22 ]
16
[ "76-23=53", "59-22=37", "53-37=16" ]
Current State: 16:[76, 23, 59, 22], Operations: [] Exploring Operation: 76-23=53, Resulting Numbers: [59, 22, 53] Generated Node #2: [59, 22, 53] from Operation: 76-23=53 Current State: 16:[59, 22, 53], Operations: ['76-23=53'] Exploring Operation: 59-22=37, Resulting Numbers: [53, 37] Generated Node #3: [53, 37] from Operation: 59-22=37 Current State: 16:[53, 37], Operations: ['76-23=53', '59-22=37'] Exploring Operation: 53-37=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[76, 23, 59, 22], Operations: [] Exploring Operation: 59-23=36, Resulting Numbers: [76, 22, 36] Generated Node #0,0: 16:[76, 22, 36] Operation: 59-23=36 Exploring Operation: 76-23=53, Resulting Numbers: [59, 22, 53] Generated Node #0,1: 16:[59, 22, 53] Operation: 76-23=53 Exploring Operation: 76-59=17, Resulting Numbers: [23, 22, 17] Generated Node #0,2: 16:[23, 22, 17] Operation: 76-59=17 Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[23, 22, 17], Operations: ['76-59=17'] Exploring Operation: 23-17=6, Resulting Numbers: [22, 6] Generated Node #0,2,0: 16:[22, 6] Operation: 23-17=6 Exploring Operation: 23-22=1, Resulting Numbers: [17, 1] Generated Node #0,2,1: 16:[17, 1] Operation: 23-22=1 Exploring Operation: 22-17=5, Resulting Numbers: [23, 5] Generated Node #0,2,2: 16:[23, 5] Operation: 22-17=5 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 16:[17, 1], Operations: ['76-59=17', '23-22=1'] Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[76, 23, 59, 22], Operations: [] Exploring Operation: 76-59=17, Resulting Numbers: [23, 22, 17] Generated Node #0,2: 16:[23, 22, 17] Operation: 76-59=17 Moving to Node #0,2 Current State: 16:[23, 22, 17], Operations: ['76-59=17'] Exploring Operation: 23-22=1, Resulting Numbers: [17, 1] Generated Node #0,2,1: 16:[17, 1] Operation: 23-22=1 Moving to Node #0,2,1 Current State: 16:[17, 1], Operations: ['76-59=17', '23-22=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 76, 30, 42, 48 ]
40
[ "76-30=46", "48-42=6", "46-6=40" ]
Current State: 40:[76, 30, 42, 48], Operations: [] Exploring Operation: 76-30=46, Resulting Numbers: [42, 48, 46] Generated Node #2: [42, 48, 46] from Operation: 76-30=46 Current State: 40:[42, 48, 46], Operations: ['76-30=46'] Exploring Operation: 48-42=6, Resulting Numbers: [46, 6] Generated Node #3: [46, 6] from Operation: 48-42=6 Current State: 40:[46, 6], Operations: ['76-30=46', '48-42=6'] Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[76, 30, 42, 48], Operations: [] Exploring Operation: 76-48=28, Resulting Numbers: [30, 42, 28] Generated Node #0,0: 40:[30, 42, 28] Operation: 76-48=28 Exploring Operation: 76-30=46, Resulting Numbers: [42, 48, 46] Generated Node #0,1: 40:[42, 48, 46] Operation: 76-30=46 Exploring Operation: 48-30=18, Resulting Numbers: [76, 42, 18] Generated Node #0,2: 40:[76, 42, 18] Operation: 48-30=18 Exploring Operation: 76-42=34, Resulting Numbers: [30, 48, 34] Generated Node #0,3: 40:[30, 48, 34] Operation: 76-42=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[42, 48, 46], Operations: ['76-30=46'] Exploring Operation: 42+48=90, Resulting Numbers: [46, 90] Generated Node #0,1,0: 40:[46, 90] Operation: 42+48=90 Exploring Operation: 48-42=6, Resulting Numbers: [46, 6] Generated Node #0,1,1: 40:[46, 6] Operation: 48-42=6 Exploring Operation: 48-46=2, Resulting Numbers: [42, 2] Generated Node #0,1,2: 40:[42, 2] Operation: 48-46=2 Exploring Operation: 46-42=4, Resulting Numbers: [48, 4] Generated Node #0,1,3: 40:[48, 4] Operation: 46-42=4 Moving to Node #0,1,2 Current State: 40:[42, 2], Operations: ['76-30=46', '48-46=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[76, 30, 42, 48], Operations: [] Exploring Operation: 76-30=46, Resulting Numbers: [42, 48, 46] Generated Node #0,1: 40:[42, 48, 46] Operation: 76-30=46 Moving to Node #0,1 Current State: 40:[42, 48, 46], Operations: ['76-30=46'] Exploring Operation: 48-46=2, Resulting Numbers: [42, 2] Generated Node #0,1,2: 40:[42, 2] Operation: 48-46=2 Moving to Node #0,1,2 Current State: 40:[42, 2], Operations: ['76-30=46', '48-46=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 74, 68, 95, 10 ]
37
[ "74+68=142", "95+10=105", "142-105=37" ]
Current State: 37:[74, 68, 95, 10], Operations: [] Exploring Operation: 74+68=142, Resulting Numbers: [95, 10, 142] Generated Node #2: [95, 10, 142] from Operation: 74+68=142 Current State: 37:[95, 10, 142], Operations: ['74+68=142'] Exploring Operation: 95+10=105, Resulting Numbers: [142, 105] Generated Node #3: [142, 105] from Operation: 95+10=105 Current State: 37:[142, 105], Operations: ['74+68=142', '95+10=105'] Exploring Operation: 142-105=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[74, 68, 95, 10], Operations: [] Exploring Operation: 74-68=6, Resulting Numbers: [95, 10, 6] Generated Node #0,0: 37:[95, 10, 6] Operation: 74-68=6 Exploring Operation: 95-68=27, Resulting Numbers: [74, 10, 27] Generated Node #0,1: 37:[74, 10, 27] Operation: 95-68=27 Exploring Operation: 95-74=21, Resulting Numbers: [68, 10, 21] Generated Node #0,2: 37:[68, 10, 21] Operation: 95-74=21 Moving to Node #0,1 Current State: 37:[74, 10, 27], Operations: ['95-68=27'] Exploring Operation: 10+27=37, Resulting Numbers: [74, 37] Generated Node #0,1,0: 37:[74, 37] Operation: 10+27=37 Exploring Operation: 74-27=47, Resulting Numbers: [10, 47] Generated Node #0,1,1: 37:[10, 47] Operation: 74-27=47 Exploring Operation: 74-10=64, Resulting Numbers: [27, 64] Generated Node #0,1,2: 37:[27, 64] Operation: 74-10=64 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 37:[74, 37], Operations: ['95-68=27', '10+27=37'] Exploring Operation: 74+37=111, Resulting Numbers: [111] 111,37 unequal: No Solution Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[74, 68, 95, 10], Operations: [] Exploring Operation: 95-68=27, Resulting Numbers: [74, 10, 27] Generated Node #0,1: 37:[74, 10, 27] Operation: 95-68=27 Moving to Node #0,1 Current State: 37:[74, 10, 27], Operations: ['95-68=27'] Exploring Operation: 10+27=37, Resulting Numbers: [74, 37] Generated Node #0,1,0: 37:[74, 37] Operation: 10+27=37 Moving to Node #0,1,0 Current State: 37:[74, 37], Operations: ['95-68=27', '10+27=37'] Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 73, 59, 21, 44 ]
66
[ "73-59=14", "21*44=924", "924/14=66" ]
Current State: 66:[73, 59, 21, 44], Operations: [] Exploring Operation: 73-59=14, Resulting Numbers: [21, 44, 14] Generated Node #2: [21, 44, 14] from Operation: 73-59=14 Current State: 66:[21, 44, 14], Operations: ['73-59=14'] Exploring Operation: 21*44=924, Resulting Numbers: [14, 924] Generated Node #3: [14, 924] from Operation: 21*44=924 Current State: 66:[14, 924], Operations: ['73-59=14', '21*44=924'] Exploring Operation: 924/14=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[73, 59, 21, 44], Operations: [] Exploring Operation: 73-44=29, Resulting Numbers: [59, 21, 29] Generated Node #0,0: 66:[59, 21, 29] Operation: 73-44=29 Exploring Operation: 59-44=15, Resulting Numbers: [73, 21, 15] Generated Node #0,1: 66:[73, 21, 15] Operation: 59-44=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[59, 21, 29], Operations: ['73-44=29'] Exploring Operation: 59-21=38, Resulting Numbers: [29, 38] Generated Node #0,0,0: 66:[29, 38] Operation: 59-21=38 Exploring Operation: 59-29=30, Resulting Numbers: [21, 30] Generated Node #0,0,1: 66:[21, 30] Operation: 59-29=30 Moving to Node #0,0,1 Current State: 66:[21, 30], Operations: ['73-44=29', '59-29=30'] Exploring Operation: 21+30=51, Resulting Numbers: [51] 51,66 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[29, 38], Operations: ['73-44=29', '59-21=38'] Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,66 unequal: No Solution Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,66 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:[73, 21, 15], Operations: ['59-44=15'] Exploring Operation: 73-15=58, Resulting Numbers: [21, 58] Generated Node #0,1,0: 66:[21, 58] Operation: 73-15=58 Exploring Operation: 21-15=6, Resulting Numbers: [73, 6] Generated Node #0,1,1: 66:[73, 6] Operation: 21-15=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 66:[73, 6], Operations: ['59-44=15', '21-15=6'] Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,66 unequal: No Solution Exploring Operation: 73+6=79, Resulting Numbers: [79] 79,66 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 #0,1,0 Current State: 66:[21, 58], Operations: ['59-44=15', '73-15=58'] Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,66 unequal: No Solution Exploring Operation: 21+58=79, Resulting Numbers: [79] 79,66 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
[ 14, 93, 5, 2 ]
72
[ "93-14=79", "5+2=7", "79-7=72" ]
Current State: 72:[14, 93, 5, 2], Operations: [] Exploring Operation: 93-14=79, Resulting Numbers: [5, 2, 79] Generated Node #2: [5, 2, 79] from Operation: 93-14=79 Current State: 72:[5, 2, 79], Operations: ['93-14=79'] Exploring Operation: 5+2=7, Resulting Numbers: [79, 7] Generated Node #3: [79, 7] from Operation: 5+2=7 Current State: 72:[79, 7], Operations: ['93-14=79', '5+2=7'] Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[14, 93, 5, 2], Operations: [] Exploring Operation: 14+5=19, Resulting Numbers: [93, 2, 19] Generated Node #0,0: 72:[93, 2, 19] Operation: 14+5=19 Exploring Operation: 14-2=12, Resulting Numbers: [93, 5, 12] Generated Node #0,1: 72:[93, 5, 12] Operation: 14-2=12 Exploring Operation: 14-5=9, Resulting Numbers: [93, 2, 9] Generated Node #0,2: 72:[93, 2, 9] Operation: 14-5=9 Exploring Operation: 93-14=79, Resulting Numbers: [5, 2, 79] Generated Node #0,3: 72:[5, 2, 79] Operation: 93-14=79 Exploring Operation: 93-5=88, Resulting Numbers: [14, 2, 88] Generated Node #0,4: 72:[14, 2, 88] Operation: 93-5=88 Moving to Node #0,3 Current State: 72:[5, 2, 79], Operations: ['93-14=79'] Exploring Operation: 5-2=3, Resulting Numbers: [79, 3] Generated Node #0,3,0: 72:[79, 3] Operation: 5-2=3 Exploring Operation: 5*2=10, Resulting Numbers: [79, 10] Generated Node #0,3,1: 72:[79, 10] Operation: 5*2=10 Exploring Operation: 5+2=7, Resulting Numbers: [79, 7] Generated Node #0,3,2: 72:[79, 7] Operation: 5+2=7 Exploring Operation: 79-2=77, Resulting Numbers: [5, 77] Generated Node #0,3,3: 72:[5, 77] Operation: 79-2=77 Exploring Operation: 79-5=74, Resulting Numbers: [2, 74] Generated Node #0,3,4: 72:[2, 74] Operation: 79-5=74 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 72:[2, 74], Operations: ['93-14=79', '79-5=74'] Exploring Operation: 2*74=148, Resulting Numbers: [148] 148,72 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,72 unequal: No Solution Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,72 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[14, 93, 5, 2], Operations: [] Exploring Operation: 93-14=79, Resulting Numbers: [5, 2, 79] Generated Node #0,3: 72:[5, 2, 79] Operation: 93-14=79 Moving to Node #0,3 Current State: 72:[5, 2, 79], Operations: ['93-14=79'] Exploring Operation: 79-5=74, Resulting Numbers: [2, 74] Generated Node #0,3,4: 72:[2, 74] Operation: 79-5=74 Moving to Node #0,3,4 Current State: 72:[2, 74], Operations: ['93-14=79', '79-5=74'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 45, 24, 40, 27 ]
80
[ "45*24=1080", "1080/27=40", "40+40=80" ]
Current State: 80:[45, 24, 40, 27], Operations: [] Exploring Operation: 45*24=1080, Resulting Numbers: [40, 27, 1080] Generated Node #2: [40, 27, 1080] from Operation: 45*24=1080 Current State: 80:[40, 27, 1080], Operations: ['45*24=1080'] Exploring Operation: 1080/27=40, Resulting Numbers: [40, 40] Generated Node #3: [40, 40] from Operation: 1080/27=40 Current State: 80:[40, 40], Operations: ['45*24=1080', '1080/27=40'] Exploring Operation: 40+40=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[45, 24, 40, 27], Operations: [] Exploring Operation: 45-27=18, Resulting Numbers: [24, 40, 18] Generated Node #0,0: 80:[24, 40, 18] Operation: 45-27=18 Moving to Node #0,0 Current State: 80:[24, 40, 18], Operations: ['45-27=18'] Exploring Operation: 24-18=6, Resulting Numbers: [40, 6] Generated Node #0,0,0: 80:[40, 6] Operation: 24-18=6 Moving to Node #0,0,0 Current State: 80:[40, 6], Operations: ['45-27=18', '24-18=6'] Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,80 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 50, 8, 6, 23 ]
80
[ "50+8=58", "6*23=138", "138-58=80" ]
Current State: 80:[50, 8, 6, 23], Operations: [] Exploring Operation: 50+8=58, Resulting Numbers: [6, 23, 58] Generated Node #2: [6, 23, 58] from Operation: 50+8=58 Current State: 80:[6, 23, 58], Operations: ['50+8=58'] Exploring Operation: 6*23=138, Resulting Numbers: [58, 138] Generated Node #3: [58, 138] from Operation: 6*23=138 Current State: 80:[58, 138], Operations: ['50+8=58', '6*23=138'] Exploring Operation: 138-58=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[50, 8, 6, 23], Operations: [] Exploring Operation: 50-8=42, Resulting Numbers: [6, 23, 42] Generated Node #0,0: 80:[6, 23, 42] Operation: 50-8=42 Exploring Operation: 50-23=27, Resulting Numbers: [8, 6, 27] Generated Node #0,1: 80:[8, 6, 27] Operation: 50-23=27 Exploring Operation: 23-6=17, Resulting Numbers: [50, 8, 17] Generated Node #0,2: 80:[50, 8, 17] Operation: 23-6=17 Exploring Operation: 50-6=44, Resulting Numbers: [8, 23, 44] Generated Node #0,3: 80:[8, 23, 44] Operation: 50-6=44 Exploring Operation: 50+23=73, Resulting Numbers: [8, 6, 73] Generated Node #0,4: 80:[8, 6, 73] Operation: 50+23=73 Moving to Node #0,0 Current State: 80:[6, 23, 42], Operations: ['50-8=42'] Exploring Operation: 42/6=7, Resulting Numbers: [23, 7] Generated Node #0,0,0: 80:[23, 7] Operation: 42/6=7 Exploring Operation: 42-6=36, Resulting Numbers: [23, 36] Generated Node #0,0,1: 80:[23, 36] Operation: 42-6=36 Exploring Operation: 6+23=29, Resulting Numbers: [42, 29] Generated Node #0,0,2: 80:[42, 29] Operation: 6+23=29 Exploring Operation: 23-6=17, Resulting Numbers: [42, 17] Generated Node #0,0,3: 80:[42, 17] Operation: 23-6=17 Exploring Operation: 42-23=19, Resulting Numbers: [6, 19] Generated Node #0,0,4: 80:[6, 19] Operation: 42-23=19 Moving to Node #0,3 Current State: 80:[8, 23, 44], Operations: ['50-6=44'] Exploring Operation: 23+44=67, Resulting Numbers: [8, 67] Generated Node #0,3,0: 80:[8, 67] Operation: 23+44=67 Exploring Operation: 44-8=36, Resulting Numbers: [23, 36] Generated Node #0,3,1: 80:[23, 36] Operation: 44-8=36 Exploring Operation: 23-8=15, Resulting Numbers: [44, 15] Generated Node #0,3,2: 80:[44, 15] Operation: 23-8=15 Exploring Operation: 8+23=31, Resulting Numbers: [44, 31] Generated Node #0,3,3: 80:[44, 31] Operation: 8+23=31 Exploring Operation: 44-23=21, Resulting Numbers: [8, 21] Generated Node #0,3,4: 80:[8, 21] Operation: 44-23=21 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 80:[8, 21], Operations: ['50-6=44', '44-23=21'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,80 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 80:[44, 15], Operations: ['50-6=44', '23-8=15'] Exploring Operation: 44+15=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 44*15=660, Resulting Numbers: [660] 660,80 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 80:[23, 36], Operations: ['50-6=44', '44-8=36'] Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,80 unequal: No Solution Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 80:[8, 67], Operations: ['50-6=44', '23+44=67'] Exploring Operation: 8*67=536, Resulting Numbers: [536] 536,80 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 80:[44, 31], Operations: ['50-6=44', '8+23=31'] Exploring Operation: 44+31=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 44*31=1364, Resulting Numbers: [1364] 1364,80 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:[8, 6, 27], Operations: ['50-23=27'] Exploring Operation: 6+27=33, Resulting Numbers: [8, 33] Generated Node #0,1,0: 80:[8, 33] Operation: 6+27=33 Exploring Operation: 27-6=21, Resulting Numbers: [8, 21] Generated Node #0,1,1: 80:[8, 21] Operation: 27-6=21 Exploring Operation: 8-6=2, Resulting Numbers: [27, 2] Generated Node #0,1,2: 80:[27, 2] Operation: 8-6=2 Exploring Operation: 8+27=35, Resulting Numbers: [6, 35] Generated Node #0,1,3: 80:[6, 35] Operation: 8+27=35 Exploring Operation: 27-8=19, Resulting Numbers: [6, 19] Generated Node #0,1,4: 80:[6, 19] Operation: 27-8=19 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 80:[8, 21], Operations: ['50-23=27', '27-6=21'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,80 unequal: No Solution Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 80:[6, 19], Operations: ['50-23=27', '27-8=19'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,80 unequal: No Solution Exploring Operation: 6*19=114, Resulting Numbers: [114] 114,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 80:[6, 35], Operations: ['50-23=27', '8+27=35'] Exploring Operation: 6*35=210, Resulting Numbers: [210] 210,80 unequal: No Solution Exploring Operation: 6+35=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 80:[8, 33], Operations: ['50-23=27', '6+27=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,80 unequal: No Solution Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 80:[27, 2], Operations: ['50-23=27', '8-6=2'] Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,80 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,80 unequal: No Solution Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,80 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: 80:[8, 6, 73], Operations: ['50+23=73'] Exploring Operation: 8+6=14, Resulting Numbers: [73, 14] Generated Node #0,4,0: 80:[73, 14] Operation: 8+6=14 Exploring Operation: 6+73=79, Resulting Numbers: [8, 79] Generated Node #0,4,1: 80:[8, 79] Operation: 6+73=79 Exploring Operation: 8-6=2, Resulting Numbers: [73, 2] Generated Node #0,4,2: 80:[73, 2] Operation: 8-6=2 Exploring Operation: 73-6=67, Resulting Numbers: [8, 67] Generated Node #0,4,3: 80:[8, 67] Operation: 73-6=67 Exploring Operation: 8+73=81, Resulting Numbers: [6, 81] Generated Node #0,4,4: 80:[6, 81] Operation: 8+73=81 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 80:[8, 79], Operations: ['50+23=73', '6+73=79'] Exploring Operation: 8+79=87, Resulting Numbers: [87] 87,80 unequal: No Solution Exploring Operation: 79-8=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 8*79=632, Resulting Numbers: [632] 632,80 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 #0,4,4 Current State: 80:[6, 81], Operations: ['50+23=73', '8+73=81'] Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 6+81=87, Resulting Numbers: [87] 87,80 unequal: No Solution Exploring Operation: 6*81=486, Resulting Numbers: [486] 486,80 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 #0,4,2 Current State: 80:[73, 2], Operations: ['50+23=73', '8-6=2'] Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 73*2=146, Resulting Numbers: [146] 146,80 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 #0,4,0 Current State: 80:[73, 14], Operations: ['50+23=73', '8+6=14'] Exploring Operation: 73*14=1022, Resulting Numbers: [1022] 1022,80 unequal: No Solution Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 73+14=87, Resulting Numbers: [87] 87,80 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 #0,4,3 Current State: 80:[8, 67], Operations: ['50+23=73', '73-6=67'] Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 8*67=536, Resulting Numbers: [536] 536,80 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 80:[50, 8, 17], Operations: ['23-6=17'] Exploring Operation: 50+17=67, Resulting Numbers: [8, 67] Generated Node #0,2,0: 80:[8, 67] Operation: 50+17=67 Exploring Operation: 17-8=9, Resulting Numbers: [50, 9] Generated Node #0,2,1: 80:[50, 9] Operation: 17-8=9 Exploring Operation: 50-17=33, Resulting Numbers: [8, 33] Generated Node #0,2,2: 80:[8, 33] Operation: 50-17=33 Exploring Operation: 50-8=42, Resulting Numbers: [17, 42] Generated Node #0,2,3: 80:[17, 42] Operation: 50-8=42 Exploring Operation: 8+17=25, Resulting Numbers: [50, 25] Generated Node #0,2,4: 80:[50, 25] Operation: 8+17=25 Moving to Node #0,0,4 Current State: 80:[6, 19], Operations: ['50-8=42', '42-23=19'] Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,80 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 6*19=114, Resulting Numbers: [114] 114,80 unequal: No Solution Moving to Node #0,2,3 Current State: 80:[17, 42], Operations: ['23-6=17', '50-8=42'] Exploring Operation: 42-17=25, Resulting Numbers: [25] 25,80 unequal: No Solution Exploring Operation: 17*42=714, Resulting Numbers: [714] 714,80 unequal: No Solution Exploring Operation: 17+42=59, Resulting Numbers: [59] 59,80 unequal: No Solution Moving to Node #0,0,3 Current State: 80:[42, 17], Operations: ['50-8=42', '23-6=17'] Exploring Operation: 42-17=25, Resulting Numbers: [25] 25,80 unequal: No Solution Exploring Operation: 42+17=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 42*17=714, Resulting Numbers: [714] 714,80 unequal: No Solution Moving to Node #0,0,0 Current State: 80:[23, 7], Operations: ['50-8=42', '42/6=7'] Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,80 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,80 unequal: No Solution Moving to Node #0,2,2 Current State: 80:[8, 33], Operations: ['23-6=17', '50-17=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,80 unequal: No Solution Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,80 unequal: No Solution Moving to Node #0,0,1 Current State: 80:[23, 36], Operations: ['50-8=42', '42-6=36'] Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,80 unequal: No Solution Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,80 unequal: No Solution Moving to Node #0,0,2 Current State: 80:[42, 29], Operations: ['50-8=42', '6+23=29'] Exploring Operation: 42*29=1218, Resulting Numbers: [1218] 1218,80 unequal: No Solution Exploring Operation: 42-29=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 42+29=71, Resulting Numbers: [71] 71,80 unequal: No Solution Moving to Node #0,2,1 Current State: 80:[50, 9], Operations: ['23-6=17', '17-8=9'] Exploring Operation: 50+9=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 50*9=450, Resulting Numbers: [450] 450,80 unequal: No Solution Moving to Node #0,2,0 Current State: 80:[8, 67], Operations: ['23-6=17', '50+17=67'] Exploring Operation: 8*67=536, Resulting Numbers: [536] 536,80 unequal: No Solution Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,80 unequal: No Solution Moving to Node #0,2,4 Current State: 80:[50, 25], Operations: ['23-6=17', '8+17=25'] Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,80 unequal: No Solution Exploring Operation: 50+25=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 50*25=1250, Resulting Numbers: [1250] 1250,80 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 64, 18, 26, 45 ]
53
[ "26-18=8", "64/8=8", "45+8=53" ]
Current State: 53:[64, 18, 26, 45], Operations: [] Exploring Operation: 26-18=8, Resulting Numbers: [64, 45, 8] Generated Node #2: [64, 45, 8] from Operation: 26-18=8 Current State: 53:[64, 45, 8], Operations: ['26-18=8'] Exploring Operation: 64/8=8, Resulting Numbers: [45, 8] Generated Node #3: [45, 8] from Operation: 64/8=8 Current State: 53:[45, 8], Operations: ['26-18=8', '64/8=8'] Exploring Operation: 45+8=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[64, 18, 26, 45], Operations: [] Exploring Operation: 64-18=46, Resulting Numbers: [26, 45, 46] Generated Node #0,0: 53:[26, 45, 46] Operation: 64-18=46 Exploring Operation: 18+26=44, Resulting Numbers: [64, 45, 44] Generated Node #0,1: 53:[64, 45, 44] Operation: 18+26=44 Moving to Node #0,1 Current State: 53:[64, 45, 44], Operations: ['18+26=44'] Exploring Operation: 64-45=19, Resulting Numbers: [44, 19] Generated Node #0,1,0: 53:[44, 19] Operation: 64-45=19 Exploring Operation: 64-44=20, Resulting Numbers: [45, 20] Generated Node #0,1,1: 53:[45, 20] Operation: 64-44=20 Moving to Node #0,0 Current State: 53:[26, 45, 46], Operations: ['64-18=46'] Exploring Operation: 26+45=71, Resulting Numbers: [46, 71] Generated Node #0,0,0: 53:[46, 71] Operation: 26+45=71 Exploring Operation: 26+46=72, Resulting Numbers: [45, 72] Generated Node #0,0,1: 53:[45, 72] Operation: 26+46=72 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[46, 71], Operations: ['64-18=46', '26+45=71'] Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 46+71=117, Resulting Numbers: [117] 117,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[45, 72], Operations: ['64-18=46', '26+46=72'] Exploring Operation: 45+72=117, Resulting Numbers: [117] 117,53 unequal: No Solution Exploring Operation: 72-45=27, Resulting Numbers: [27] 27,53 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: 53:[45, 20], Operations: ['18+26=44', '64-44=20'] Exploring Operation: 45-20=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 45+20=65, Resulting Numbers: [65] 65,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[44, 19], Operations: ['18+26=44', '64-45=19'] Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 44+19=63, Resulting Numbers: [63] 63,53 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 28, 11, 22, 99 ]
25
[ "11+22=33", "99/33=3", "28-3=25" ]
Current State: 25:[28, 11, 22, 99], Operations: [] Exploring Operation: 11+22=33, Resulting Numbers: [28, 99, 33] Generated Node #2: [28, 99, 33] from Operation: 11+22=33 Current State: 25:[28, 99, 33], Operations: ['11+22=33'] Exploring Operation: 99/33=3, Resulting Numbers: [28, 3] Generated Node #3: [28, 3] from Operation: 99/33=3 Current State: 25:[28, 3], Operations: ['11+22=33', '99/33=3'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[28, 11, 22, 99], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [28, 22, 9] Generated Node #0,0: 25:[28, 22, 9] Operation: 99/11=9 Exploring Operation: 99-22=77, Resulting Numbers: [28, 11, 77] Generated Node #0,1: 25:[28, 11, 77] Operation: 99-22=77 Exploring Operation: 99-28=71, Resulting Numbers: [11, 22, 71] Generated Node #0,2: 25:[11, 22, 71] Operation: 99-28=71 Moving to Node #0,0 Current State: 25:[28, 22, 9], Operations: ['99/11=9'] Exploring Operation: 22+9=31, Resulting Numbers: [28, 31] Generated Node #0,0,0: 25:[28, 31] Operation: 22+9=31 Exploring Operation: 28-22=6, Resulting Numbers: [9, 6] Generated Node #0,0,1: 25:[9, 6] Operation: 28-22=6 Exploring Operation: 28-9=19, Resulting Numbers: [22, 19] Generated Node #0,0,2: 25:[22, 19] Operation: 28-9=19 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[9, 6], Operations: ['99/11=9', '28-22=6'] Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,25 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 #0,0,0 Current State: 25:[28, 31], Operations: ['99/11=9', '22+9=31'] Exploring Operation: 28*31=868, Resulting Numbers: [868] 868,25 unequal: No Solution Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 28+31=59, Resulting Numbers: [59] 59,25 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 #0,0,2 Current State: 25:[22, 19], Operations: ['99/11=9', '28-9=19'] Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,25 unequal: No Solution Exploring Operation: 22*19=418, Resulting Numbers: [418] 418,25 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: 25:[11, 22, 71], Operations: ['99-28=71'] Exploring Operation: 71-22=49, Resulting Numbers: [11, 49] Generated Node #0,2,0: 25:[11, 49] Operation: 71-22=49 Exploring Operation: 22/11=2, Resulting Numbers: [71, 2] Generated Node #0,2,1: 25:[71, 2] Operation: 22/11=2 Exploring Operation: 71-11=60, Resulting Numbers: [22, 60] Generated Node #0,2,2: 25:[22, 60] Operation: 71-11=60 Moving to Node #0,1 Current State: 25:[28, 11, 77], Operations: ['99-22=77'] Exploring Operation: 77-28=49, Resulting Numbers: [11, 49] Generated Node #0,1,0: 25:[11, 49] Operation: 77-28=49 Exploring Operation: 77/11=7, Resulting Numbers: [28, 7] Generated Node #0,1,1: 25:[28, 7] Operation: 77/11=7 Exploring Operation: 77-11=66, Resulting Numbers: [28, 66] Generated Node #0,1,2: 25:[28, 66] Operation: 77-11=66 Moving to Node #0,1,1 Current State: 25:[28, 7], Operations: ['99-22=77', '77/11=7'] Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[11, 49], Operations: ['99-28=71', '71-22=49'] Exploring Operation: 11+49=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 11*49=539, Resulting Numbers: [539] 539,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[11, 49], Operations: ['99-22=77', '77-28=49'] Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 11*49=539, Resulting Numbers: [539] 539,25 unequal: No Solution Exploring Operation: 11+49=60, Resulting Numbers: [60] 60,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[22, 60], Operations: ['99-28=71', '71-11=60'] Exploring Operation: 60-22=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 22+60=82, Resulting Numbers: [82] 82,25 unequal: No Solution Exploring Operation: 22*60=1320, Resulting Numbers: [1320] 1320,25 unequal: No Solution Moving to Node #0,1,2 Current State: 25:[28, 66], Operations: ['99-22=77', '77-11=66'] Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,25 unequal: No Solution Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[71, 2], Operations: ['99-28=71', '22/11=2'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,25 unequal: No Solution Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,25 unequal: No Solution Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,25 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 17, 6, 4, 23 ]
67
[ "17-6=11", "4*11=44", "23+44=67" ]
Current State: 67:[17, 6, 4, 23], Operations: [] Exploring Operation: 17-6=11, Resulting Numbers: [4, 23, 11] Generated Node #2: [4, 23, 11] from Operation: 17-6=11 Current State: 67:[4, 23, 11], Operations: ['17-6=11'] Exploring Operation: 4*11=44, Resulting Numbers: [23, 44] Generated Node #3: [23, 44] from Operation: 4*11=44 Current State: 67:[23, 44], Operations: ['17-6=11', '4*11=44'] Exploring Operation: 23+44=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[17, 6, 4, 23], Operations: [] Exploring Operation: 6*4=24, Resulting Numbers: [17, 23, 24] Generated Node #0,0: 67:[17, 23, 24] Operation: 6*4=24 Exploring Operation: 17*4=68, Resulting Numbers: [6, 23, 68] Generated Node #0,1: 67:[6, 23, 68] Operation: 17*4=68 Exploring Operation: 17*6=102, Resulting Numbers: [4, 23, 102] Generated Node #0,2: 67:[4, 23, 102] Operation: 17*6=102 Exploring Operation: 4*23=92, Resulting Numbers: [17, 6, 92] Generated Node #0,3: 67:[17, 6, 92] Operation: 4*23=92 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[6, 23, 68], Operations: ['17*4=68'] Exploring Operation: 68-6=62, Resulting Numbers: [23, 62] Generated Node #0,1,0: 67:[23, 62] Operation: 68-6=62 Exploring Operation: 6+68=74, Resulting Numbers: [23, 74] Generated Node #0,1,1: 67:[23, 74] Operation: 6+68=74 Exploring Operation: 6+23=29, Resulting Numbers: [68, 29] Generated Node #0,1,2: 67:[68, 29] Operation: 6+23=29 Exploring Operation: 23-6=17, Resulting Numbers: [68, 17] Generated Node #0,1,3: 67:[68, 17] Operation: 23-6=17 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 67:[68, 29], Operations: ['17*4=68', '6+23=29'] Exploring Operation: 68-29=39, Resulting Numbers: [39] 39,67 unequal: No Solution Exploring Operation: 68+29=97, Resulting Numbers: [97] 97,67 unequal: No Solution Exploring Operation: 68*29=1972, Resulting Numbers: [1972] 1972,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[23, 62], Operations: ['17*4=68', '68-6=62'] Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,67 unequal: No Solution Exploring Operation: 23*62=1426, Resulting Numbers: [1426] 1426,67 unequal: No Solution Exploring Operation: 23+62=85, Resulting Numbers: [85] 85,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[23, 74], Operations: ['17*4=68', '6+68=74'] Exploring Operation: 74-23=51, Resulting Numbers: [51] 51,67 unequal: No Solution Exploring Operation: 23*74=1702, Resulting Numbers: [1702] 1702,67 unequal: No Solution Exploring Operation: 23+74=97, Resulting Numbers: [97] 97,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 67:[68, 17], Operations: ['17*4=68', '23-6=17'] Exploring Operation: 68+17=85, Resulting Numbers: [85] 85,67 unequal: No Solution Exploring Operation: 68*17=1156, Resulting Numbers: [1156] 1156,67 unequal: No Solution Exploring Operation: 68/17=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 68-17=51, Resulting Numbers: [51] 51,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 67:[17, 6, 92], Operations: ['4*23=92'] Exploring Operation: 92-6=86, Resulting Numbers: [17, 86] Generated Node #0,3,0: 67:[17, 86] Operation: 92-6=86 Exploring Operation: 17+6=23, Resulting Numbers: [92, 23] Generated Node #0,3,1: 67:[92, 23] Operation: 17+6=23 Exploring Operation: 17*6=102, Resulting Numbers: [92, 102] Generated Node #0,3,2: 67:[92, 102] Operation: 17*6=102 Exploring Operation: 92-17=75, Resulting Numbers: [6, 75] Generated Node #0,3,3: 67:[6, 75] Operation: 92-17=75 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 67:[92, 102], Operations: ['4*23=92', '17*6=102'] Exploring Operation: 92+102=194, Resulting Numbers: [194] 194,67 unequal: No Solution Exploring Operation: 92*102=9384, Resulting Numbers: [9384] 9384,67 unequal: No Solution Exploring Operation: 102-92=10, Resulting Numbers: [10] 10,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 67:[17, 86], Operations: ['4*23=92', '92-6=86'] Exploring Operation: 17*86=1462, Resulting Numbers: [1462] 1462,67 unequal: No Solution Exploring Operation: 17+86=103, Resulting Numbers: [103] 103,67 unequal: No Solution Exploring Operation: 86-17=69, Resulting Numbers: [69] 69,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 67:[92, 23], Operations: ['4*23=92', '17+6=23'] Exploring Operation: 92*23=2116, Resulting Numbers: [2116] 2116,67 unequal: No Solution Exploring Operation: 92-23=69, Resulting Numbers: [69] 69,67 unequal: No Solution Exploring Operation: 92+23=115, Resulting Numbers: [115] 115,67 unequal: No Solution Exploring Operation: 92/23=4, Resulting Numbers: [4] 4,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 67:[6, 75], Operations: ['4*23=92', '92-17=75'] Exploring Operation: 6*75=450, Resulting Numbers: [450] 450,67 unequal: No Solution Exploring Operation: 75-6=69, Resulting Numbers: [69] 69,67 unequal: No Solution Exploring Operation: 6+75=81, Resulting Numbers: [81] 81,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[17, 23, 24], Operations: ['6*4=24'] Exploring Operation: 23-17=6, Resulting Numbers: [24, 6] Generated Node #0,0,0: 67:[24, 6] Operation: 23-17=6 Exploring Operation: 17+24=41, Resulting Numbers: [23, 41] Generated Node #0,0,1: 67:[23, 41] Operation: 17+24=41 Exploring Operation: 23+24=47, Resulting Numbers: [17, 47] Generated Node #0,0,2: 67:[17, 47] Operation: 23+24=47 Exploring Operation: 17+23=40, Resulting Numbers: [24, 40] Generated Node #0,0,3: 67:[24, 40] Operation: 17+23=40 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[23, 41], Operations: ['6*4=24', '17+24=41'] Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 23*41=943, Resulting Numbers: [943] 943,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 67:[17, 47], Operations: ['6*4=24', '23+24=47'] Exploring Operation: 17+47=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 17*47=799, Resulting Numbers: [799] 799,67 unequal: No Solution Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 67:[24, 40], Operations: ['6*4=24', '17+23=40'] Exploring Operation: 24+40=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 24*40=960, Resulting Numbers: [960] 960,67 unequal: No Solution Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[24, 6], Operations: ['6*4=24', '23-17=6'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,67 unequal: No Solution Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[4, 23, 102], Operations: ['17*6=102'] Exploring Operation: 4+23=27, Resulting Numbers: [102, 27] Generated Node #0,2,0: 67:[102, 27] Operation: 4+23=27 Exploring Operation: 4*23=92, Resulting Numbers: [102, 92] Generated Node #0,2,1: 67:[102, 92] Operation: 4*23=92 Exploring Operation: 102-4=98, Resulting Numbers: [23, 98] Generated Node #0,2,2: 67:[23, 98] Operation: 102-4=98 Exploring Operation: 102-23=79, Resulting Numbers: [4, 79] Generated Node #0,2,3: 67:[4, 79] Operation: 102-23=79 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 67:[102, 92], Operations: ['17*6=102', '4*23=92'] Exploring Operation: 102-92=10, Resulting Numbers: [10] 10,67 unequal: No Solution Exploring Operation: 102+92=194, Resulting Numbers: [194] 194,67 unequal: No Solution Exploring Operation: 102*92=9384, Resulting Numbers: [9384] 9384,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[102, 27], Operations: ['17*6=102', '4+23=27'] Exploring Operation: 102+27=129, Resulting Numbers: [129] 129,67 unequal: No Solution Exploring Operation: 102*27=2754, Resulting Numbers: [2754] 2754,67 unequal: No Solution Exploring Operation: 102-27=75, Resulting Numbers: [75] 75,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 67:[23, 98], Operations: ['17*6=102', '102-4=98'] Exploring Operation: 23+98=121, Resulting Numbers: [121] 121,67 unequal: No Solution Exploring Operation: 98-23=75, Resulting Numbers: [75] 75,67 unequal: No Solution Exploring Operation: 23*98=2254, Resulting Numbers: [2254] 2254,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 67:[4, 79], Operations: ['17*6=102', '102-23=79'] Exploring Operation: 4+79=83, Resulting Numbers: [83] 83,67 unequal: No Solution Exploring Operation: 4*79=316, Resulting Numbers: [316] 316,67 unequal: No Solution Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 20, 29, 25, 74 ]
79
[ "29-25=4", "20/4=5", "74+5=79" ]
Current State: 79:[20, 29, 25, 74], Operations: [] Exploring Operation: 29-25=4, Resulting Numbers: [20, 74, 4] Generated Node #2: [20, 74, 4] from Operation: 29-25=4 Current State: 79:[20, 74, 4], Operations: ['29-25=4'] Exploring Operation: 20/4=5, Resulting Numbers: [74, 5] Generated Node #3: [74, 5] from Operation: 20/4=5 Current State: 79:[74, 5], Operations: ['29-25=4', '20/4=5'] Exploring Operation: 74+5=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[20, 29, 25, 74], Operations: [] Exploring Operation: 20+29=49, Resulting Numbers: [25, 74, 49] Generated Node #0,0: 79:[25, 74, 49] Operation: 20+29=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[25, 74, 49], Operations: ['20+29=49'] Exploring Operation: 25+49=74, Resulting Numbers: [74, 74] Generated Node #0,0,0: 79:[74, 74] Operation: 25+49=74 Moving to Node #0,0,0 Current State: 79:[74, 74], Operations: ['20+29=49', '25+49=74'] Exploring Operation: 74+74=148, Resulting Numbers: [148] 148,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 75, 30, 71, 2 ]
88
[ "75+30=105", "71+105=176", "176/2=88" ]
Current State: 88:[75, 30, 71, 2], Operations: [] Exploring Operation: 75+30=105, Resulting Numbers: [71, 2, 105] Generated Node #2: [71, 2, 105] from Operation: 75+30=105 Current State: 88:[71, 2, 105], Operations: ['75+30=105'] Exploring Operation: 71+105=176, Resulting Numbers: [2, 176] Generated Node #3: [2, 176] from Operation: 71+105=176 Current State: 88:[2, 176], Operations: ['75+30=105', '71+105=176'] Exploring Operation: 176/2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[75, 30, 71, 2], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [30, 2, 4] Generated Node #0,0: 88:[30, 2, 4] Operation: 75-71=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[30, 2, 4], Operations: ['75-71=4'] Exploring Operation: 30/2=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 88:[4, 15] Operation: 30/2=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[4, 15], Operations: ['75-71=4', '30/2=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 3, 71, 10, 49 ]
66
[ "3*49=147", "71+10=81", "147-81=66" ]
Current State: 66:[3, 71, 10, 49], Operations: [] Exploring Operation: 3*49=147, Resulting Numbers: [71, 10, 147] Generated Node #2: [71, 10, 147] from Operation: 3*49=147 Current State: 66:[71, 10, 147], Operations: ['3*49=147'] Exploring Operation: 71+10=81, Resulting Numbers: [147, 81] Generated Node #3: [147, 81] from Operation: 71+10=81 Current State: 66:[147, 81], Operations: ['3*49=147', '71+10=81'] Exploring Operation: 147-81=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[3, 71, 10, 49], Operations: [] Exploring Operation: 10+49=59, Resulting Numbers: [3, 71, 59] Generated Node #0,0: 66:[3, 71, 59] Operation: 10+49=59 Exploring Operation: 71-49=22, Resulting Numbers: [3, 10, 22] Generated Node #0,1: 66:[3, 10, 22] Operation: 71-49=22 Exploring Operation: 49-10=39, Resulting Numbers: [3, 71, 39] Generated Node #0,2: 66:[3, 71, 39] Operation: 49-10=39 Exploring Operation: 71-3=68, Resulting Numbers: [10, 49, 68] Generated Node #0,3: 66:[10, 49, 68] Operation: 71-3=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[3, 10, 22], Operations: ['71-49=22'] Exploring Operation: 3*22=66, Resulting Numbers: [10, 66] Generated Node #0,1,0: 66:[10, 66] Operation: 3*22=66 Exploring Operation: 10+22=32, Resulting Numbers: [3, 32] Generated Node #0,1,1: 66:[3, 32] Operation: 10+22=32 Exploring Operation: 10-3=7, Resulting Numbers: [22, 7] Generated Node #0,1,2: 66:[22, 7] Operation: 10-3=7 Exploring Operation: 22-10=12, Resulting Numbers: [3, 12] Generated Node #0,1,3: 66:[3, 12] Operation: 22-10=12 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[10, 66], Operations: ['71-49=22', '3*22=66'] Exploring Operation: 66-10=56, Resulting Numbers: [56] 56,66 unequal: No Solution Exploring Operation: 10+66=76, Resulting Numbers: [76] 76,66 unequal: No Solution Exploring Operation: 10*66=660, Resulting Numbers: [660] 660,66 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 #0,1,1 Current State: 66:[3, 32], Operations: ['71-49=22', '10+22=32'] Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,66 unequal: No Solution Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,66 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:[22, 7], Operations: ['71-49=22', '10-3=7'] Exploring Operation: 22*7=154, Resulting Numbers: [154] 154,66 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,66 unequal: No Solution Exploring Operation: 22+7=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 #0,1,3 Current State: 66:[3, 12], Operations: ['71-49=22', '22-10=12'] Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,66 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,66 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,66 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: 66:[3, 71, 39], Operations: ['49-10=39'] Exploring Operation: 39/3=13, Resulting Numbers: [71, 13] Generated Node #0,2,0: 66:[71, 13] Operation: 39/3=13 Exploring Operation: 71-39=32, Resulting Numbers: [3, 32] Generated Node #0,2,1: 66:[3, 32] Operation: 71-39=32 Exploring Operation: 71-3=68, Resulting Numbers: [39, 68] Generated Node #0,2,2: 66:[39, 68] Operation: 71-3=68 Exploring Operation: 39-3=36, Resulting Numbers: [71, 36] Generated Node #0,2,3: 66:[71, 36] Operation: 39-3=36 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 66:[3, 32], Operations: ['49-10=39', '71-39=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,66 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 32-3=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 #0,2,0 Current State: 66:[71, 13], Operations: ['49-10=39', '39/3=13'] Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,66 unequal: No Solution Exploring Operation: 71+13=84, Resulting Numbers: [84] 84,66 unequal: No Solution Exploring Operation: 71*13=923, Resulting Numbers: [923] 923,66 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 #0,2,2 Current State: 66:[39, 68], Operations: ['49-10=39', '71-3=68'] Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,66 unequal: No Solution Exploring Operation: 39+68=107, Resulting Numbers: [107] 107,66 unequal: No Solution Exploring Operation: 39*68=2652, Resulting Numbers: [2652] 2652,66 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 #0,2,3 Current State: 66:[71, 36], Operations: ['49-10=39', '39-3=36'] Exploring Operation: 71+36=107, Resulting Numbers: [107] 107,66 unequal: No Solution Exploring Operation: 71*36=2556, Resulting Numbers: [2556] 2556,66 unequal: No Solution Exploring Operation: 71-36=35, Resulting Numbers: [35] 35,66 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: 66:[3, 71, 59], Operations: ['10+49=59'] Exploring Operation: 3+71=74, Resulting Numbers: [59, 74] Generated Node #0,0,0: 66:[59, 74] Operation: 3+71=74 Exploring Operation: 71-3=68, Resulting Numbers: [59, 68] Generated Node #0,0,1: 66:[59, 68] Operation: 71-3=68 Exploring Operation: 3+59=62, Resulting Numbers: [71, 62] Generated Node #0,0,2: 66:[71, 62] Operation: 3+59=62 Exploring Operation: 71-59=12, Resulting Numbers: [3, 12] Generated Node #0,0,3: 66:[3, 12] Operation: 71-59=12 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 66:[3, 12], Operations: ['10+49=59', '71-59=12'] Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,66 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,66 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,66 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,66 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 #0,0,1 Current State: 66:[59, 68], Operations: ['10+49=59', '71-3=68'] Exploring Operation: 68-59=9, Resulting Numbers: [9] 9,66 unequal: No Solution Exploring Operation: 59*68=4012, Resulting Numbers: [4012] 4012,66 unequal: No Solution Exploring Operation: 59+68=127, Resulting Numbers: [127] 127,66 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 #0,0,2 Current State: 66:[71, 62], Operations: ['10+49=59', '3+59=62'] Exploring Operation: 71+62=133, Resulting Numbers: [133] 133,66 unequal: No Solution Exploring Operation: 71-62=9, Resulting Numbers: [9] 9,66 unequal: No Solution Exploring Operation: 71*62=4402, Resulting Numbers: [4402] 4402,66 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 #0,0,0 Current State: 66:[59, 74], Operations: ['10+49=59', '3+71=74'] Exploring Operation: 59*74=4366, Resulting Numbers: [4366] 4366,66 unequal: No Solution Exploring Operation: 59+74=133, Resulting Numbers: [133] 133,66 unequal: No Solution Exploring Operation: 74-59=15, Resulting Numbers: [15] 15,66 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: 66:[10, 49, 68], Operations: ['71-3=68'] Exploring Operation: 49-10=39, Resulting Numbers: [68, 39] Generated Node #0,3,0: 66:[68, 39] Operation: 49-10=39 Exploring Operation: 68-10=58, Resulting Numbers: [49, 58] Generated Node #0,3,1: 66:[49, 58] Operation: 68-10=58 Exploring Operation: 10+49=59, Resulting Numbers: [68, 59] Generated Node #0,3,2: 66:[68, 59] Operation: 10+49=59 Exploring Operation: 68-49=19, Resulting Numbers: [10, 19] Generated Node #0,3,3: 66:[10, 19] Operation: 68-49=19 Moving to Node #0,3,3 Current State: 66:[10, 19], Operations: ['71-3=68', '68-49=19'] Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,66 unequal: No Solution Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,66 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,66 unequal: No Solution Moving to Node #0,3,0 Current State: 66:[68, 39], Operations: ['71-3=68', '49-10=39'] Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,66 unequal: No Solution Exploring Operation: 68+39=107, Resulting Numbers: [107] 107,66 unequal: No Solution Exploring Operation: 68*39=2652, Resulting Numbers: [2652] 2652,66 unequal: No Solution Moving to Node #0,3,2 Current State: 66:[68, 59], Operations: ['71-3=68', '10+49=59'] Exploring Operation: 68-59=9, Resulting Numbers: [9] 9,66 unequal: No Solution Exploring Operation: 68*59=4012, Resulting Numbers: [4012] 4012,66 unequal: No Solution Exploring Operation: 68+59=127, Resulting Numbers: [127] 127,66 unequal: No Solution Moving to Node #0,3,1 Current State: 66:[49, 58], Operations: ['71-3=68', '68-10=58'] Exploring Operation: 49+58=107, Resulting Numbers: [107] 107,66 unequal: No Solution Exploring Operation: 58-49=9, Resulting Numbers: [9] 9,66 unequal: No Solution Exploring Operation: 49*58=2842, Resulting Numbers: [2842] 2842,66 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
[ 42, 72, 23, 55 ]
82
[ "42+72=114", "55-23=32", "114-32=82" ]
Current State: 82:[42, 72, 23, 55], Operations: [] Exploring Operation: 42+72=114, Resulting Numbers: [23, 55, 114] Generated Node #2: [23, 55, 114] from Operation: 42+72=114 Current State: 82:[23, 55, 114], Operations: ['42+72=114'] Exploring Operation: 55-23=32, Resulting Numbers: [114, 32] Generated Node #3: [114, 32] from Operation: 55-23=32 Current State: 82:[114, 32], Operations: ['42+72=114', '55-23=32'] Exploring Operation: 114-32=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[42, 72, 23, 55], Operations: [] Exploring Operation: 23+55=78, Resulting Numbers: [42, 72, 78] Generated Node #0,0: 82:[42, 72, 78] Operation: 23+55=78 Exploring Operation: 55-23=32, Resulting Numbers: [42, 72, 32] Generated Node #0,1: 82:[42, 72, 32] Operation: 55-23=32 Moving to Node #0,0 Current State: 82:[42, 72, 78], Operations: ['23+55=78'] Exploring Operation: 72-42=30, Resulting Numbers: [78, 30] Generated Node #0,0,0: 82:[78, 30] Operation: 72-42=30 Exploring Operation: 78-72=6, Resulting Numbers: [42, 6] Generated Node #0,0,1: 82:[42, 6] Operation: 78-72=6 Moving to Node #0,1 Current State: 82:[42, 72, 32], Operations: ['55-23=32'] Exploring Operation: 72-32=40, Resulting Numbers: [42, 40] Generated Node #0,1,0: 82:[42, 40] Operation: 72-32=40 Exploring Operation: 42+32=74, Resulting Numbers: [72, 74] Generated Node #0,1,1: 82:[72, 74] Operation: 42+32=74 Moving to Node #0,1,0 Current State: 82:[42, 40], Operations: ['55-23=32', '72-32=40'] Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[42, 72, 23, 55], Operations: [] Exploring Operation: 55-23=32, Resulting Numbers: [42, 72, 32] Generated Node #0,1: 82:[42, 72, 32] Operation: 55-23=32 Moving to Node #0,1 Current State: 82:[42, 72, 32], Operations: ['55-23=32'] Exploring Operation: 72-32=40, Resulting Numbers: [42, 40] Generated Node #0,1,0: 82:[42, 40] Operation: 72-32=40 Moving to Node #0,1,0 Current State: 82:[42, 40], Operations: ['55-23=32', '72-32=40'] Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 18, 93, 56, 66 ]
11
[ "18+93=111", "56+66=122", "122-111=11" ]
Current State: 11:[18, 93, 56, 66], Operations: [] Exploring Operation: 18+93=111, Resulting Numbers: [56, 66, 111] Generated Node #2: [56, 66, 111] from Operation: 18+93=111 Current State: 11:[56, 66, 111], Operations: ['18+93=111'] Exploring Operation: 56+66=122, Resulting Numbers: [111, 122] Generated Node #3: [111, 122] from Operation: 56+66=122 Current State: 11:[111, 122], Operations: ['18+93=111', '56+66=122'] Exploring Operation: 122-111=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[18, 93, 56, 66], Operations: [] Exploring Operation: 93-66=27, Resulting Numbers: [18, 56, 27] Generated Node #0,0: 11:[18, 56, 27] Operation: 93-66=27 Exploring Operation: 66-56=10, Resulting Numbers: [18, 93, 10] Generated Node #0,1: 11:[18, 93, 10] Operation: 66-56=10 Exploring Operation: 93-56=37, Resulting Numbers: [18, 66, 37] Generated Node #0,2: 11:[18, 66, 37] Operation: 93-56=37 Exploring Operation: 93-18=75, Resulting Numbers: [56, 66, 75] Generated Node #0,3: 11:[56, 66, 75] Operation: 93-18=75 Moving to Node #0,0 Current State: 11:[18, 56, 27], Operations: ['93-66=27'] Exploring Operation: 56-18=38, Resulting Numbers: [27, 38] Generated Node #0,0,0: 11:[27, 38] Operation: 56-18=38 Exploring Operation: 56-27=29, Resulting Numbers: [18, 29] Generated Node #0,0,1: 11:[18, 29] Operation: 56-27=29 Exploring Operation: 18+56=74, Resulting Numbers: [27, 74] Generated Node #0,0,2: 11:[27, 74] Operation: 18+56=74 Exploring Operation: 27-18=9, Resulting Numbers: [56, 9] Generated Node #0,0,3: 11:[56, 9] Operation: 27-18=9 Moving to Node #0,2 Current State: 11:[18, 66, 37], Operations: ['93-56=37'] Exploring Operation: 37-18=19, Resulting Numbers: [66, 19] Generated Node #0,2,0: 11:[66, 19] Operation: 37-18=19 Exploring Operation: 18+66=84, Resulting Numbers: [37, 84] Generated Node #0,2,1: 11:[37, 84] Operation: 18+66=84 Exploring Operation: 66-37=29, Resulting Numbers: [18, 29] Generated Node #0,2,2: 11:[18, 29] Operation: 66-37=29 Exploring Operation: 66-18=48, Resulting Numbers: [37, 48] Generated Node #0,2,3: 11:[37, 48] Operation: 66-18=48 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 11:[18, 29], Operations: ['93-56=37', '66-37=29'] Exploring Operation: 18*29=522, Resulting Numbers: [522] 522,11 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[18, 93, 56, 66], Operations: [] Exploring Operation: 93-56=37, Resulting Numbers: [18, 66, 37] Generated Node #0,2: 11:[18, 66, 37] Operation: 93-56=37 Moving to Node #0,2 Current State: 11:[18, 66, 37], Operations: ['93-56=37'] Exploring Operation: 66-37=29, Resulting Numbers: [18, 29] Generated Node #0,2,2: 11:[18, 29] Operation: 66-37=29 Moving to Node #0,2,2 Current State: 11:[18, 29], Operations: ['93-56=37', '66-37=29'] Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 55, 60, 38, 37 ]
70
[ "60-55=5", "38+37=75", "75-5=70" ]
Current State: 70:[55, 60, 38, 37], Operations: [] Exploring Operation: 60-55=5, Resulting Numbers: [38, 37, 5] Generated Node #2: [38, 37, 5] from Operation: 60-55=5 Current State: 70:[38, 37, 5], Operations: ['60-55=5'] Exploring Operation: 38+37=75, Resulting Numbers: [5, 75] Generated Node #3: [5, 75] from Operation: 38+37=75 Current State: 70:[5, 75], Operations: ['60-55=5', '38+37=75'] Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[55, 60, 38, 37], Operations: [] Exploring Operation: 55-38=17, Resulting Numbers: [60, 37, 17] Generated Node #0,0: 70:[60, 37, 17] Operation: 55-38=17 Exploring Operation: 60-55=5, Resulting Numbers: [38, 37, 5] Generated Node #0,1: 70:[38, 37, 5] Operation: 60-55=5 Exploring Operation: 55-37=18, Resulting Numbers: [60, 38, 18] Generated Node #0,2: 70:[60, 38, 18] Operation: 55-37=18 Moving to Node #0,1 Current State: 70:[38, 37, 5], Operations: ['60-55=5'] Exploring Operation: 38-5=33, Resulting Numbers: [37, 33] Generated Node #0,1,0: 70:[37, 33] Operation: 38-5=33 Exploring Operation: 38-37=1, Resulting Numbers: [5, 1] Generated Node #0,1,1: 70:[5, 1] Operation: 38-37=1 Exploring Operation: 38+37=75, Resulting Numbers: [5, 75] Generated Node #0,1,2: 70:[5, 75] Operation: 38+37=75 Moving to Node #0,0 Current State: 70:[60, 37, 17], Operations: ['55-38=17'] Exploring Operation: 60-17=43, Resulting Numbers: [37, 43] Generated Node #0,0,0: 70:[37, 43] Operation: 60-17=43 Exploring Operation: 60+17=77, Resulting Numbers: [37, 77] Generated Node #0,0,1: 70:[37, 77] Operation: 60+17=77 Exploring Operation: 60-37=23, Resulting Numbers: [17, 23] Generated Node #0,0,2: 70:[17, 23] Operation: 60-37=23 Moving to Node #0,2 Current State: 70:[60, 38, 18], Operations: ['55-37=18'] Exploring Operation: 60+18=78, Resulting Numbers: [38, 78] Generated Node #0,2,0: 70:[38, 78] Operation: 60+18=78 Exploring Operation: 60-18=42, Resulting Numbers: [38, 42] Generated Node #0,2,1: 70:[38, 42] Operation: 60-18=42 Exploring Operation: 60-38=22, Resulting Numbers: [18, 22] Generated Node #0,2,2: 70:[18, 22] Operation: 60-38=22 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 70:[38, 42], Operations: ['55-37=18', '60-18=42'] Exploring Operation: 38*42=1596, Resulting Numbers: [1596] 1596,70 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 70:[38, 78], Operations: ['55-37=18', '60+18=78'] Exploring Operation: 38*78=2964, Resulting Numbers: [2964] 2964,70 unequal: No Solution Exploring Operation: 78-38=40, Resulting Numbers: [40] 40,70 unequal: No Solution Exploring Operation: 38+78=116, Resulting Numbers: [116] 116,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 70:[18, 22], Operations: ['55-37=18', '60-38=22'] Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,70 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,70 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: 70:[5, 1], Operations: ['60-55=5', '38-37=1'] Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[37, 33], Operations: ['60-55=5', '38-5=33'] Exploring Operation: 37*33=1221, Resulting Numbers: [1221] 1221,70 unequal: No Solution Exploring Operation: 37+33=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[55, 60, 38, 37], Operations: [] Exploring Operation: 60-55=5, Resulting Numbers: [38, 37, 5] Generated Node #0,1: 70:[38, 37, 5] Operation: 60-55=5 Moving to Node #0,1 Current State: 70:[38, 37, 5], Operations: ['60-55=5'] Exploring Operation: 38-5=33, Resulting Numbers: [37, 33] Generated Node #0,1,0: 70:[37, 33] Operation: 38-5=33 Moving to Node #0,1,0 Current State: 70:[37, 33], Operations: ['60-55=5', '38-5=33'] Exploring Operation: 37+33=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
0.973958
hs_3
sum_heuristic
[ 21, 72, 16, 20 ]
23
[ "16+20=36", "72/36=2", "21+2=23" ]
Current State: 23:[21, 72, 16, 20], Operations: [] Exploring Operation: 16+20=36, Resulting Numbers: [21, 72, 36] Generated Node #2: [21, 72, 36] from Operation: 16+20=36 Current State: 23:[21, 72, 36], Operations: ['16+20=36'] Exploring Operation: 72/36=2, Resulting Numbers: [21, 2] Generated Node #3: [21, 2] from Operation: 72/36=2 Current State: 23:[21, 2], Operations: ['16+20=36', '72/36=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[21, 72, 16, 20], Operations: [] Exploring Operation: 72-21=51, Resulting Numbers: [16, 20, 51] Generated Node #0,0: 23:[16, 20, 51] Operation: 72-21=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[16, 20, 51], Operations: ['72-21=51'] Exploring Operation: 51-16=35, Resulting Numbers: [20, 35] Generated Node #0,0,0: 23:[20, 35] Operation: 51-16=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[20, 35], Operations: ['72-21=51', '51-16=35'] Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 97, 5, 55, 54 ]
93
[ "97-5=92", "55-54=1", "92+1=93" ]
Current State: 93:[97, 5, 55, 54], Operations: [] Exploring Operation: 97-5=92, Resulting Numbers: [55, 54, 92] Generated Node #2: [55, 54, 92] from Operation: 97-5=92 Current State: 93:[55, 54, 92], Operations: ['97-5=92'] Exploring Operation: 55-54=1, Resulting Numbers: [92, 1] Generated Node #3: [92, 1] from Operation: 55-54=1 Current State: 93:[92, 1], Operations: ['97-5=92', '55-54=1'] Exploring Operation: 92+1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[97, 5, 55, 54], Operations: [] Exploring Operation: 97-55=42, Resulting Numbers: [5, 54, 42] Generated Node #0,0: 93:[5, 54, 42] Operation: 97-55=42 Exploring Operation: 55/5=11, Resulting Numbers: [97, 54, 11] Generated Node #0,1: 93:[97, 54, 11] Operation: 55/5=11 Exploring Operation: 55-54=1, Resulting Numbers: [97, 5, 1] Generated Node #0,2: 93:[97, 5, 1] Operation: 55-54=1 Exploring Operation: 55+54=109, Resulting Numbers: [97, 5, 109] Generated Node #0,3: 93:[97, 5, 109] Operation: 55+54=109 Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[97, 5, 1], Operations: ['55-54=1'] Exploring Operation: 97*1=97, Resulting Numbers: [5, 97] Generated Node #0,2,0: 93:[5, 97] Operation: 97*1=97 Exploring Operation: 5-1=4, Resulting Numbers: [97, 4] Generated Node #0,2,1: 93:[97, 4] Operation: 5-1=4 Exploring Operation: 97-1=96, Resulting Numbers: [5, 96] Generated Node #0,2,2: 93:[5, 96] Operation: 97-1=96 Exploring Operation: 97-5=92, Resulting Numbers: [1, 92] Generated Node #0,2,3: 93:[1, 92] Operation: 97-5=92 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 93:[1, 92], Operations: ['55-54=1', '97-5=92'] Exploring Operation: 1*92=92, Resulting Numbers: [92] 92,93 unequal: No Solution Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,93 unequal: No Solution Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,93 unequal: No Solution Exploring Operation: 1+92=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[97, 5, 55, 54], Operations: [] Exploring Operation: 55-54=1, Resulting Numbers: [97, 5, 1] Generated Node #0,2: 93:[97, 5, 1] Operation: 55-54=1 Moving to Node #0,2 Current State: 93:[97, 5, 1], Operations: ['55-54=1'] Exploring Operation: 97-5=92, Resulting Numbers: [1, 92] Generated Node #0,2,3: 93:[1, 92] Operation: 97-5=92 Moving to Node #0,2,3 Current State: 93:[1, 92], Operations: ['55-54=1', '97-5=92'] Exploring Operation: 1+92=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 86, 57, 3, 7 ]
19
[ "86-57=29", "3+7=10", "29-10=19" ]
Current State: 19:[86, 57, 3, 7], Operations: [] Exploring Operation: 86-57=29, Resulting Numbers: [3, 7, 29] Generated Node #2: [3, 7, 29] from Operation: 86-57=29 Current State: 19:[3, 7, 29], Operations: ['86-57=29'] Exploring Operation: 3+7=10, Resulting Numbers: [29, 10] Generated Node #3: [29, 10] from Operation: 3+7=10 Current State: 19:[29, 10], Operations: ['86-57=29', '3+7=10'] Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[86, 57, 3, 7], Operations: [] Exploring Operation: 3*7=21, Resulting Numbers: [86, 57, 21] Generated Node #0,0: 19:[86, 57, 21] Operation: 3*7=21 Exploring Operation: 86-57=29, Resulting Numbers: [3, 7, 29] Generated Node #0,1: 19:[3, 7, 29] Operation: 86-57=29 Exploring Operation: 57/3=19, Resulting Numbers: [86, 7, 19] Generated Node #0,2: 19:[86, 7, 19] Operation: 57/3=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[3, 7, 29], Operations: ['86-57=29'] Exploring Operation: 3*7=21, Resulting Numbers: [29, 21] Generated Node #0,1,0: 19:[29, 21] Operation: 3*7=21 Exploring Operation: 29-3=26, Resulting Numbers: [7, 26] Generated Node #0,1,1: 19:[7, 26] Operation: 29-3=26 Exploring Operation: 3+7=10, Resulting Numbers: [29, 10] Generated Node #0,1,2: 19:[29, 10] Operation: 3+7=10 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 19:[29, 21], Operations: ['86-57=29', '3*7=21'] Exploring Operation: 29+21=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 29*21=609, Resulting Numbers: [609] 609,19 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[7, 26], Operations: ['86-57=29', '29-3=26'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[86, 57, 3, 7], Operations: [] Exploring Operation: 86-57=29, Resulting Numbers: [3, 7, 29] Generated Node #0,1: 19:[3, 7, 29] Operation: 86-57=29 Moving to Node #0,1 Current State: 19:[3, 7, 29], Operations: ['86-57=29'] Exploring Operation: 29-3=26, Resulting Numbers: [7, 26] Generated Node #0,1,1: 19:[7, 26] Operation: 29-3=26 Moving to Node #0,1,1 Current State: 19:[7, 26], Operations: ['86-57=29', '29-3=26'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 54, 71, 3, 62 ]
42
[ "71-54=17", "62-3=59", "59-17=42" ]
Current State: 42:[54, 71, 3, 62], Operations: [] Exploring Operation: 71-54=17, Resulting Numbers: [3, 62, 17] Generated Node #2: [3, 62, 17] from Operation: 71-54=17 Current State: 42:[3, 62, 17], Operations: ['71-54=17'] Exploring Operation: 62-3=59, Resulting Numbers: [17, 59] Generated Node #3: [17, 59] from Operation: 62-3=59 Current State: 42:[17, 59], Operations: ['71-54=17', '62-3=59'] Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[54, 71, 3, 62], Operations: [] Exploring Operation: 71-62=9, Resulting Numbers: [54, 3, 9] Generated Node #0,0: 42:[54, 3, 9] Operation: 71-62=9 Exploring Operation: 62-54=8, Resulting Numbers: [71, 3, 8] Generated Node #0,1: 42:[71, 3, 8] Operation: 62-54=8 Exploring Operation: 71-54=17, Resulting Numbers: [3, 62, 17] Generated Node #0,2: 42:[3, 62, 17] Operation: 71-54=17 Moving to Node #0,0 Current State: 42:[54, 3, 9], Operations: ['71-62=9'] Exploring Operation: 54-9=45, Resulting Numbers: [3, 45] Generated Node #0,0,0: 42:[3, 45] Operation: 54-9=45 Exploring Operation: 54/3=18, Resulting Numbers: [9, 18] Generated Node #0,0,1: 42:[9, 18] Operation: 54/3=18 Exploring Operation: 54/9=6, Resulting Numbers: [3, 6] Generated Node #0,0,2: 42:[3, 6] Operation: 54/9=6 Moving to Node #0,2 Current State: 42:[3, 62, 17], Operations: ['71-54=17'] Exploring Operation: 17-3=14, Resulting Numbers: [62, 14] Generated Node #0,2,0: 42:[62, 14] Operation: 17-3=14 Exploring Operation: 62-17=45, Resulting Numbers: [3, 45] Generated Node #0,2,1: 42:[3, 45] Operation: 62-17=45 Exploring Operation: 62-3=59, Resulting Numbers: [17, 59] Generated Node #0,2,2: 42:[17, 59] Operation: 62-3=59 Moving to Node #0,1 Current State: 42:[71, 3, 8], Operations: ['62-54=8'] Exploring Operation: 71-8=63, Resulting Numbers: [3, 63] Generated Node #0,1,0: 42:[3, 63] Operation: 71-8=63 Exploring Operation: 8-3=5, Resulting Numbers: [71, 5] Generated Node #0,1,1: 42:[71, 5] Operation: 8-3=5 Exploring Operation: 71-3=68, Resulting Numbers: [8, 68] Generated Node #0,1,2: 42:[8, 68] Operation: 71-3=68 Moving to Node #0,0,2 Current State: 42:[3, 6], Operations: ['71-62=9', '54/9=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[3, 45], Operations: ['71-62=9', '54-9=45'] Exploring Operation: 3+45=48, Resulting Numbers: [48] 48,42 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[54, 71, 3, 62], Operations: [] Exploring Operation: 71-62=9, Resulting Numbers: [54, 3, 9] Generated Node #0,0: 42:[54, 3, 9] Operation: 71-62=9 Moving to Node #0,0 Current State: 42:[54, 3, 9], Operations: ['71-62=9'] Exploring Operation: 54-9=45, Resulting Numbers: [3, 45] Generated Node #0,0,0: 42:[3, 45] Operation: 54-9=45 Moving to Node #0,0,0 Current State: 42:[3, 45], Operations: ['71-62=9', '54-9=45'] Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
0.980903
hs_3
sum_heuristic
[ 42, 70, 8, 42 ]
70
[ "42-42=0", "8*0=0", "70+0=70" ]
Current State: 70:[42, 70, 8, 42], Operations: [] Exploring Operation: 42-42=0, Resulting Numbers: [70, 8, 0] Generated Node #2: [70, 8, 0] from Operation: 42-42=0 Current State: 70:[70, 8, 0], Operations: ['42-42=0'] Exploring Operation: 8*0=0, Resulting Numbers: [70, 0] Generated Node #3: [70, 0] from Operation: 8*0=0 Current State: 70:[70, 0], Operations: ['42-42=0', '8*0=0'] Exploring Operation: 70+0=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[42, 70, 8, 42], Operations: [] Exploring Operation: 42/42=1, Resulting Numbers: [70, 8, 1] Generated Node #0,0: 70:[70, 8, 1] Operation: 42/42=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[70, 8, 1], Operations: ['42/42=1'] Exploring Operation: 8-1=7, Resulting Numbers: [70, 7] Generated Node #0,0,0: 70:[70, 7] Operation: 8-1=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[70, 7], Operations: ['42/42=1', '8-1=7'] Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 59, 71, 2, 10 ]
24
[ "71-59=12", "2+10=12", "12+12=24" ]
Current State: 24:[59, 71, 2, 10], Operations: [] Exploring Operation: 71-59=12, Resulting Numbers: [2, 10, 12] Generated Node #2: [2, 10, 12] from Operation: 71-59=12 Current State: 24:[2, 10, 12], Operations: ['71-59=12'] Exploring Operation: 2+10=12, Resulting Numbers: [12, 12] Generated Node #3: [12, 12] from Operation: 2+10=12 Current State: 24:[12, 12], Operations: ['71-59=12', '2+10=12'] Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[59, 71, 2, 10], Operations: [] Exploring Operation: 71-10=61, Resulting Numbers: [59, 2, 61] Generated Node #0,0: 24:[59, 2, 61] Operation: 71-10=61 Exploring Operation: 59-10=49, Resulting Numbers: [71, 2, 49] Generated Node #0,1: 24:[71, 2, 49] Operation: 59-10=49 Exploring Operation: 59-2=57, Resulting Numbers: [71, 10, 57] Generated Node #0,2: 24:[71, 10, 57] Operation: 59-2=57 Exploring Operation: 71-2=69, Resulting Numbers: [59, 10, 69] Generated Node #0,3: 24:[59, 10, 69] Operation: 71-2=69 Exploring Operation: 71-59=12, Resulting Numbers: [2, 10, 12] Generated Node #0,4: 24:[2, 10, 12] Operation: 71-59=12 Moving to Node #0,4 Current State: 24:[2, 10, 12], Operations: ['71-59=12'] Exploring Operation: 12-10=2, Resulting Numbers: [2, 2] Generated Node #0,4,0: 24:[2, 2] Operation: 12-10=2 Exploring Operation: 10/2=5, Resulting Numbers: [12, 5] Generated Node #0,4,1: 24:[12, 5] Operation: 10/2=5 Exploring Operation: 10-2=8, Resulting Numbers: [12, 8] Generated Node #0,4,2: 24:[12, 8] Operation: 10-2=8 Exploring Operation: 2+10=12, Resulting Numbers: [12, 12] Generated Node #0,4,3: 24:[12, 12] Operation: 2+10=12 Exploring Operation: 2*12=24, Resulting Numbers: [10, 24] Generated Node #0,4,4: 24:[10, 24] Operation: 2*12=24 Moving to Node #0,1 Current State: 24:[71, 2, 49], Operations: ['59-10=49'] Exploring Operation: 71-2=69, Resulting Numbers: [49, 69] Generated Node #0,1,0: 24:[49, 69] Operation: 71-2=69 Exploring Operation: 71+2=73, Resulting Numbers: [49, 73] Generated Node #0,1,1: 24:[49, 73] Operation: 71+2=73 Exploring Operation: 71-49=22, Resulting Numbers: [2, 22] Generated Node #0,1,2: 24:[2, 22] Operation: 71-49=22 Exploring Operation: 49-2=47, Resulting Numbers: [71, 47] Generated Node #0,1,3: 24:[71, 47] Operation: 49-2=47 Exploring Operation: 2+49=51, Resulting Numbers: [71, 51] Generated Node #0,1,4: 24:[71, 51] Operation: 2+49=51 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 24:[2, 22], Operations: ['59-10=49', '71-49=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,24 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[59, 71, 2, 10], Operations: [] Exploring Operation: 59-10=49, Resulting Numbers: [71, 2, 49] Generated Node #0,1: 24:[71, 2, 49] Operation: 59-10=49 Moving to Node #0,1 Current State: 24:[71, 2, 49], Operations: ['59-10=49'] Exploring Operation: 71-49=22, Resulting Numbers: [2, 22] Generated Node #0,1,2: 24:[2, 22] Operation: 71-49=22 Moving to Node #0,1,2 Current State: 24:[2, 22], Operations: ['59-10=49', '71-49=22'] Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 10, 98, 72, 64 ]
18
[ "72-64=8", "10*8=80", "98-80=18" ]
Current State: 18:[10, 98, 72, 64], Operations: [] Exploring Operation: 72-64=8, Resulting Numbers: [10, 98, 8] Generated Node #2: [10, 98, 8] from Operation: 72-64=8 Current State: 18:[10, 98, 8], Operations: ['72-64=8'] Exploring Operation: 10*8=80, Resulting Numbers: [98, 80] Generated Node #3: [98, 80] from Operation: 10*8=80 Current State: 18:[98, 80], Operations: ['72-64=8', '10*8=80'] Exploring Operation: 98-80=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[10, 98, 72, 64], Operations: [] Exploring Operation: 98-64=34, Resulting Numbers: [10, 72, 34] Generated Node #0,0: 18:[10, 72, 34] Operation: 98-64=34 Exploring Operation: 98-72=26, Resulting Numbers: [10, 64, 26] Generated Node #0,1: 18:[10, 64, 26] Operation: 98-72=26 Moving to Node #0,1 Current State: 18:[10, 64, 26], Operations: ['98-72=26'] Exploring Operation: 64-26=38, Resulting Numbers: [10, 38] Generated Node #0,1,0: 18:[10, 38] Operation: 64-26=38 Exploring Operation: 64-10=54, Resulting Numbers: [26, 54] Generated Node #0,1,1: 18:[26, 54] Operation: 64-10=54 Moving to Node #0,0 Current State: 18:[10, 72, 34], Operations: ['98-64=34'] Exploring Operation: 72-34=38, Resulting Numbers: [10, 38] Generated Node #0,0,0: 18:[10, 38] Operation: 72-34=38 Exploring Operation: 72-10=62, Resulting Numbers: [34, 62] Generated Node #0,0,1: 18:[34, 62] Operation: 72-10=62 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[10, 38], Operations: ['98-64=34', '72-34=38'] Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,18 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,18 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 #0,0,1 Current State: 18:[34, 62], Operations: ['98-64=34', '72-10=62'] Exploring Operation: 34+62=96, Resulting Numbers: [96] 96,18 unequal: No Solution Exploring Operation: 62-34=28, Resulting Numbers: [28] 28,18 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: 18:[10, 38], Operations: ['98-72=26', '64-26=38'] Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,18 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[26, 54], Operations: ['98-72=26', '64-10=54'] Exploring Operation: 26+54=80, Resulting Numbers: [80] 80,18 unequal: No Solution Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,18 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 53, 17, 96, 15 ]
92
[ "53+15=68", "68/17=4", "96-4=92" ]
Current State: 92:[53, 17, 96, 15], Operations: [] Exploring Operation: 53+15=68, Resulting Numbers: [17, 96, 68] Generated Node #2: [17, 96, 68] from Operation: 53+15=68 Current State: 92:[17, 96, 68], Operations: ['53+15=68'] Exploring Operation: 68/17=4, Resulting Numbers: [96, 4] Generated Node #3: [96, 4] from Operation: 68/17=4 Current State: 92:[96, 4], Operations: ['53+15=68', '68/17=4'] Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[53, 17, 96, 15], Operations: [] Exploring Operation: 96-53=43, Resulting Numbers: [17, 15, 43] Generated Node #0,0: 92:[17, 15, 43] Operation: 96-53=43 Exploring Operation: 17-15=2, Resulting Numbers: [53, 96, 2] Generated Node #0,1: 92:[53, 96, 2] Operation: 17-15=2 Exploring Operation: 17+15=32, Resulting Numbers: [53, 96, 32] Generated Node #0,2: 92:[53, 96, 32] Operation: 17+15=32 Exploring Operation: 53-17=36, Resulting Numbers: [96, 15, 36] Generated Node #0,3: 92:[96, 15, 36] Operation: 53-17=36 Exploring Operation: 53-15=38, Resulting Numbers: [17, 96, 38] Generated Node #0,4: 92:[17, 96, 38] Operation: 53-15=38 Moving to Node #0,1 Current State: 92:[53, 96, 2], Operations: ['17-15=2'] Exploring Operation: 96-2=94, Resulting Numbers: [53, 94] Generated Node #0,1,0: 92:[53, 94] Operation: 96-2=94 Exploring Operation: 53+2=55, Resulting Numbers: [96, 55] Generated Node #0,1,1: 92:[96, 55] Operation: 53+2=55 Exploring Operation: 96-53=43, Resulting Numbers: [2, 43] Generated Node #0,1,2: 92:[2, 43] Operation: 96-53=43 Exploring Operation: 96/2=48, Resulting Numbers: [53, 48] Generated Node #0,1,3: 92:[53, 48] Operation: 96/2=48 Exploring Operation: 53-2=51, Resulting Numbers: [96, 51] Generated Node #0,1,4: 92:[96, 51] Operation: 53-2=51 Moving to Node #0,0 Current State: 92:[17, 15, 43], Operations: ['96-53=43'] Exploring Operation: 43-15=28, Resulting Numbers: [17, 28] Generated Node #0,0,0: 92:[17, 28] Operation: 43-15=28 Exploring Operation: 43-17=26, Resulting Numbers: [15, 26] Generated Node #0,0,1: 92:[15, 26] Operation: 43-17=26 Exploring Operation: 17+15=32, Resulting Numbers: [43, 32] Generated Node #0,0,2: 92:[43, 32] Operation: 17+15=32 Exploring Operation: 17-15=2, Resulting Numbers: [43, 2] Generated Node #0,0,3: 92:[43, 2] Operation: 17-15=2 Exploring Operation: 15+43=58, Resulting Numbers: [17, 58] Generated Node #0,0,4: 92:[17, 58] Operation: 15+43=58 Moving to Node #0,4 Current State: 92:[17, 96, 38], Operations: ['53-15=38'] Exploring Operation: 96-38=58, Resulting Numbers: [17, 58] Generated Node #0,4,0: 92:[17, 58] Operation: 96-38=58 Exploring Operation: 38-17=21, Resulting Numbers: [96, 21] Generated Node #0,4,1: 92:[96, 21] Operation: 38-17=21 Exploring Operation: 17+38=55, Resulting Numbers: [96, 55] Generated Node #0,4,2: 92:[96, 55] Operation: 17+38=55 Exploring Operation: 96-17=79, Resulting Numbers: [38, 79] Generated Node #0,4,3: 92:[38, 79] Operation: 96-17=79 Exploring Operation: 17+96=113, Resulting Numbers: [38, 113] Generated Node #0,4,4: 92:[38, 113] Operation: 17+96=113 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 92:[96, 21], Operations: ['53-15=38', '38-17=21'] Exploring Operation: 96+21=117, Resulting Numbers: [117] 117,92 unequal: No Solution Exploring Operation: 96-21=75, Resulting Numbers: [75] 75,92 unequal: No Solution Exploring Operation: 96*21=2016, Resulting Numbers: [2016] 2016,92 unequal: No Solution No 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: 92:[96, 55], Operations: ['53-15=38', '17+38=55'] Exploring Operation: 96*55=5280, Resulting Numbers: [5280] 5280,92 unequal: No Solution Exploring Operation: 96-55=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 96+55=151, Resulting Numbers: [151] 151,92 unequal: No Solution No 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: 92:[17, 58], Operations: ['53-15=38', '96-38=58'] Exploring Operation: 17+58=75, Resulting Numbers: [75] 75,92 unequal: No Solution Exploring Operation: 17*58=986, Resulting Numbers: [986] 986,92 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,92 unequal: No Solution No 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: 92:[38, 79], Operations: ['53-15=38', '96-17=79'] Exploring Operation: 79-38=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 38*79=3002, Resulting Numbers: [3002] 3002,92 unequal: No Solution Exploring Operation: 38+79=117, Resulting Numbers: [117] 117,92 unequal: No Solution No 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: 92:[38, 113], Operations: ['53-15=38', '17+96=113'] Exploring Operation: 38+113=151, Resulting Numbers: [151] 151,92 unequal: No Solution Exploring Operation: 113-38=75, Resulting Numbers: [75] 75,92 unequal: No Solution Exploring Operation: 38*113=4294, Resulting Numbers: [4294] 4294,92 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: 92:[53, 96, 32], Operations: ['17+15=32'] Exploring Operation: 53+32=85, Resulting Numbers: [96, 85] Generated Node #0,2,0: 92:[96, 85] Operation: 53+32=85 Exploring Operation: 96-53=43, Resulting Numbers: [32, 43] Generated Node #0,2,1: 92:[32, 43] Operation: 96-53=43 Exploring Operation: 53-32=21, Resulting Numbers: [96, 21] Generated Node #0,2,2: 92:[96, 21] Operation: 53-32=21 Exploring Operation: 96-32=64, Resulting Numbers: [53, 64] Generated Node #0,2,3: 92:[53, 64] Operation: 96-32=64 Exploring Operation: 96/32=3, Resulting Numbers: [53, 3] Generated Node #0,2,4: 92:[53, 3] Operation: 96/32=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[96, 21], Operations: ['17+15=32', '53-32=21'] Exploring Operation: 96-21=75, Resulting Numbers: [75] 75,92 unequal: No Solution Exploring Operation: 96+21=117, Resulting Numbers: [117] 117,92 unequal: No Solution Exploring Operation: 96*21=2016, Resulting Numbers: [2016] 2016,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 92:[53, 3], Operations: ['17+15=32', '96/32=3'] Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,92 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,92 unequal: No Solution Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,92 unequal: No Solution No 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: 92:[96, 85], Operations: ['17+15=32', '53+32=85'] Exploring Operation: 96-85=11, Resulting Numbers: [11] 11,92 unequal: No Solution Exploring Operation: 96+85=181, Resulting Numbers: [181] 181,92 unequal: No Solution Exploring Operation: 96*85=8160, Resulting Numbers: [8160] 8160,92 unequal: No Solution No 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: 92:[32, 43], Operations: ['17+15=32', '96-53=43'] Exploring Operation: 32*43=1376, Resulting Numbers: [1376] 1376,92 unequal: No Solution Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,92 unequal: No Solution Exploring Operation: 32+43=75, Resulting Numbers: [75] 75,92 unequal: No Solution No 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: 92:[53, 64], Operations: ['17+15=32', '96-32=64'] Exploring Operation: 53+64=117, Resulting Numbers: [117] 117,92 unequal: No Solution Exploring Operation: 53*64=3392, Resulting Numbers: [3392] 3392,92 unequal: No Solution Exploring Operation: 64-53=11, Resulting Numbers: [11] 11,92 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: 92:[96, 15, 36], Operations: ['53-17=36'] Exploring Operation: 36-15=21, Resulting Numbers: [96, 21] Generated Node #0,3,0: 92:[96, 21] Operation: 36-15=21 Exploring Operation: 96+15=111, Resulting Numbers: [36, 111] Generated Node #0,3,1: 92:[36, 111] Operation: 96+15=111 Exploring Operation: 96-15=81, Resulting Numbers: [36, 81] Generated Node #0,3,2: 92:[36, 81] Operation: 96-15=81 Exploring Operation: 15+36=51, Resulting Numbers: [96, 51] Generated Node #0,3,3: 92:[96, 51] Operation: 15+36=51 Exploring Operation: 96-36=60, Resulting Numbers: [15, 60] Generated Node #0,3,4: 92:[15, 60] Operation: 96-36=60 Moving to Node #0,1,2 Current State: 92:[2, 43], Operations: ['17-15=2', '96-53=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,92 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,92 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,92 unequal: No Solution Moving to Node #0,0,3 Current State: 92:[43, 2], Operations: ['96-53=43', '17-15=2'] Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,92 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,92 unequal: No Solution Moving to Node #0,3,0 Current State: 92:[96, 21], Operations: ['53-17=36', '36-15=21'] Exploring Operation: 96*21=2016, Resulting Numbers: [2016] 2016,92 unequal: No Solution Exploring Operation: 96+21=117, Resulting Numbers: [117] 117,92 unequal: No Solution Exploring Operation: 96-21=75, Resulting Numbers: [75] 75,92 unequal: No Solution Moving to Node #0,1,3 Current State: 92:[53, 48], Operations: ['17-15=2', '96/2=48'] Exploring Operation: 53-48=5, Resulting Numbers: [5] 5,92 unequal: No Solution Exploring Operation: 53*48=2544, Resulting Numbers: [2544] 2544,92 unequal: No Solution Exploring Operation: 53+48=101, Resulting Numbers: [101] 101,92 unequal: No Solution Moving to Node #0,3,3 Current State: 92:[96, 51], Operations: ['53-17=36', '15+36=51'] Exploring Operation: 96+51=147, Resulting Numbers: [147] 147,92 unequal: No Solution Exploring Operation: 96-51=45, Resulting Numbers: [45] 45,92 unequal: No Solution Exploring Operation: 96*51=4896, Resulting Numbers: [4896] 4896,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[53, 94], Operations: ['17-15=2', '96-2=94'] Exploring Operation: 94-53=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 53*94=4982, Resulting Numbers: [4982] 4982,92 unequal: No Solution Exploring Operation: 53+94=147, Resulting Numbers: [147] 147,92 unequal: No Solution Moving to Node #0,1,4 Current State: 92:[96, 51], Operations: ['17-15=2', '53-2=51'] Exploring Operation: 96+51=147, Resulting Numbers: [147] 147,92 unequal: No Solution Exploring Operation: 96-51=45, Resulting Numbers: [45] 45,92 unequal: No Solution Exploring Operation: 96*51=4896, Resulting Numbers: [4896] 4896,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[17, 28], Operations: ['96-53=43', '43-15=28'] Exploring Operation: 17+28=45, Resulting Numbers: [45] 45,92 unequal: No Solution Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,92 unequal: No Solution Exploring Operation: 17*28=476, Resulting Numbers: [476] 476,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[15, 26], Operations: ['96-53=43', '43-17=26'] Exploring Operation: 15*26=390, Resulting Numbers: [390] 390,92 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,92 unequal: No Solution Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[43, 32], Operations: ['96-53=43', '17+15=32'] Exploring Operation: 43+32=75, Resulting Numbers: [75] 75,92 unequal: No Solution Exploring Operation: 43*32=1376, Resulting Numbers: [1376] 1376,92 unequal: No Solution Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[96, 55], Operations: ['17-15=2', '53+2=55'] Exploring Operation: 96-55=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 96*55=5280, Resulting Numbers: [5280] 5280,92 unequal: No Solution Exploring Operation: 96+55=151, Resulting Numbers: [151] 151,92 unequal: No Solution Moving to Node #0,0,4 Current State: 92:[17, 58], Operations: ['96-53=43', '15+43=58'] Exploring Operation: 17+58=75, Resulting Numbers: [75] 75,92 unequal: No Solution Exploring Operation: 17*58=986, Resulting Numbers: [986] 986,92 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,92 unequal: No Solution Moving to Node #0,3,2 Current State: 92:[36, 81], Operations: ['53-17=36', '96-15=81'] Exploring Operation: 36+81=117, Resulting Numbers: [117] 117,92 unequal: No Solution Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,92 unequal: No Solution Exploring Operation: 36*81=2916, Resulting Numbers: [2916] 2916,92 unequal: No Solution Moving to Node #0,3,4 Current State: 92:[15, 60], Operations: ['53-17=36', '96-36=60'] Exploring Operation: 15+60=75, Resulting Numbers: [75] 75,92 unequal: No Solution Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,92 unequal: No Solution Exploring Operation: 60/15=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 15*60=900, Resulting Numbers: [900] 900,92 unequal: No Solution Moving to Node #0,3,1 Current State: 92:[36, 111], Operations: ['53-17=36', '96+15=111'] Exploring Operation: 36+111=147, Resulting Numbers: [147] 147,92 unequal: No Solution Exploring Operation: 111-36=75, Resulting Numbers: [75] 75,92 unequal: No Solution Exploring Operation: 36*111=3996, Resulting Numbers: [3996] 3996,92 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 29, 3, 92, 26 ]
98
[ "29+3=32", "92-26=66", "32+66=98" ]
Current State: 98:[29, 3, 92, 26], Operations: [] Exploring Operation: 29+3=32, Resulting Numbers: [92, 26, 32] Generated Node #2: [92, 26, 32] from Operation: 29+3=32 Current State: 98:[92, 26, 32], Operations: ['29+3=32'] Exploring Operation: 92-26=66, Resulting Numbers: [32, 66] Generated Node #3: [32, 66] from Operation: 92-26=66 Current State: 98:[32, 66], Operations: ['29+3=32', '92-26=66'] Exploring Operation: 32+66=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[29, 3, 92, 26], Operations: [] Exploring Operation: 29*3=87, Resulting Numbers: [92, 26, 87] Generated Node #0,0: 98:[92, 26, 87] Operation: 29*3=87 Exploring Operation: 29+26=55, Resulting Numbers: [3, 92, 55] Generated Node #0,1: 98:[3, 92, 55] Operation: 29+26=55 Exploring Operation: 29-26=3, Resulting Numbers: [3, 92, 3] Generated Node #0,2: 98:[3, 92, 3] Operation: 29-26=3 Exploring Operation: 92-29=63, Resulting Numbers: [3, 26, 63] Generated Node #0,3: 98:[3, 26, 63] Operation: 92-29=63 Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[3, 92, 3], Operations: ['29-26=3'] Exploring Operation: 92+3=95, Resulting Numbers: [3, 95] Generated Node #0,2,0: 98:[3, 95] Operation: 92+3=95 Exploring Operation: 3/3=1, Resulting Numbers: [92, 1] Generated Node #0,2,1: 98:[92, 1] Operation: 3/3=1 Exploring Operation: 3+92=95, Resulting Numbers: [3, 95] Generated Node #0,2,2: 98:[3, 95] Operation: 3+92=95 Exploring Operation: 3+3=6, Resulting Numbers: [92, 6] Generated Node #0,2,3: 98:[92, 6] Operation: 3+3=6 Moving to Node #0,2,0 Current State: 98:[3, 95], Operations: ['29-26=3', '92+3=95'] Exploring Operation: 3*95=285, Resulting Numbers: [285] 285,98 unequal: No Solution Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 3+95=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[29, 3, 92, 26], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [3, 92, 3] Generated Node #0,2: 98:[3, 92, 3] Operation: 29-26=3 Moving to Node #0,2 Current State: 98:[3, 92, 3], Operations: ['29-26=3'] Exploring Operation: 92+3=95, Resulting Numbers: [3, 95] Generated Node #0,2,0: 98:[3, 95] Operation: 92+3=95 Moving to Node #0,2,0 Current State: 98:[3, 95], Operations: ['29-26=3', '92+3=95'] Exploring Operation: 3+95=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 33, 53, 97, 78 ]
89
[ "33+53=86", "97+78=175", "175-86=89" ]
Current State: 89:[33, 53, 97, 78], Operations: [] Exploring Operation: 33+53=86, Resulting Numbers: [97, 78, 86] Generated Node #2: [97, 78, 86] from Operation: 33+53=86 Current State: 89:[97, 78, 86], Operations: ['33+53=86'] Exploring Operation: 97+78=175, Resulting Numbers: [86, 175] Generated Node #3: [86, 175] from Operation: 97+78=175 Current State: 89:[86, 175], Operations: ['33+53=86', '97+78=175'] Exploring Operation: 175-86=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[33, 53, 97, 78], Operations: [] Exploring Operation: 33+78=111, Resulting Numbers: [53, 97, 111] Generated Node #0,0: 89:[53, 97, 111] Operation: 33+78=111 Exploring Operation: 33+53=86, Resulting Numbers: [97, 78, 86] Generated Node #0,1: 89:[97, 78, 86] Operation: 33+53=86 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[97, 78, 86], Operations: ['33+53=86'] Exploring Operation: 78+86=164, Resulting Numbers: [97, 164] Generated Node #0,1,0: 89:[97, 164] Operation: 78+86=164 Exploring Operation: 97-78=19, Resulting Numbers: [86, 19] Generated Node #0,1,1: 89:[86, 19] Operation: 97-78=19 Moving to Node #0,1,1 Current State: 89:[86, 19], Operations: ['33+53=86', '97-78=19'] Exploring Operation: 86-19=67, Resulting Numbers: [67] 67,89 unequal: No Solution Exploring Operation: 86+19=105, Resulting Numbers: [105] 105,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[97, 164], Operations: ['33+53=86', '78+86=164'] Exploring Operation: 97+164=261, Resulting Numbers: [261] 261,89 unequal: No Solution Exploring Operation: 164-97=67, Resulting Numbers: [67] 67,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[53, 97, 111], Operations: ['33+78=111'] Exploring Operation: 111-53=58, Resulting Numbers: [97, 58] Generated Node #0,0,0: 89:[97, 58] Operation: 111-53=58 Exploring Operation: 97-53=44, Resulting Numbers: [111, 44] Generated Node #0,0,1: 89:[111, 44] Operation: 97-53=44 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[97, 58], Operations: ['33+78=111', '111-53=58'] Exploring Operation: 97-58=39, Resulting Numbers: [39] 39,89 unequal: No Solution Exploring Operation: 97+58=155, Resulting Numbers: [155] 155,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[111, 44], Operations: ['33+78=111', '97-53=44'] Exploring Operation: 111+44=155, Resulting Numbers: [155] 155,89 unequal: No Solution Exploring Operation: 111-44=67, Resulting Numbers: [67] 67,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 54, 10, 24, 18 ]
57
[ "18-10=8", "24/8=3", "54+3=57" ]
Current State: 57:[54, 10, 24, 18], Operations: [] Exploring Operation: 18-10=8, Resulting Numbers: [54, 24, 8] Generated Node #2: [54, 24, 8] from Operation: 18-10=8 Current State: 57:[54, 24, 8], Operations: ['18-10=8'] Exploring Operation: 24/8=3, Resulting Numbers: [54, 3] Generated Node #3: [54, 3] from Operation: 24/8=3 Current State: 57:[54, 3], Operations: ['18-10=8', '24/8=3'] Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[54, 10, 24, 18], Operations: [] Exploring Operation: 54/18=3, Resulting Numbers: [10, 24, 3] Generated Node #0,0: 57:[10, 24, 3] Operation: 54/18=3 Exploring Operation: 18-10=8, Resulting Numbers: [54, 24, 8] Generated Node #0,1: 57:[54, 24, 8] Operation: 18-10=8 Exploring Operation: 54+10=64, Resulting Numbers: [24, 18, 64] Generated Node #0,2: 57:[24, 18, 64] Operation: 54+10=64 Exploring Operation: 24-10=14, Resulting Numbers: [54, 18, 14] Generated Node #0,3: 57:[54, 18, 14] Operation: 24-10=14 Moving to Node #0,3 Current State: 57:[54, 18, 14], Operations: ['24-10=14'] Exploring Operation: 18+14=32, Resulting Numbers: [54, 32] Generated Node #0,3,0: 57:[54, 32] Operation: 18+14=32 Exploring Operation: 18-14=4, Resulting Numbers: [54, 4] Generated Node #0,3,1: 57:[54, 4] Operation: 18-14=4 Exploring Operation: 54+14=68, Resulting Numbers: [18, 68] Generated Node #0,3,2: 57:[18, 68] Operation: 54+14=68 Exploring Operation: 54/18=3, Resulting Numbers: [14, 3] Generated Node #0,3,3: 57:[14, 3] Operation: 54/18=3 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 57:[54, 4], Operations: ['24-10=14', '18-14=4'] Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,57 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,57 unequal: No Solution Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 57:[14, 3], Operations: ['24-10=14', '54/18=3'] Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 57:[18, 68], Operations: ['24-10=14', '54+14=68'] Exploring Operation: 18*68=1224, Resulting Numbers: [1224] 1224,57 unequal: No Solution Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,57 unequal: No Solution Exploring Operation: 18+68=86, Resulting Numbers: [86] 86,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 57:[54, 32], Operations: ['24-10=14', '18+14=32'] Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 54*32=1728, Resulting Numbers: [1728] 1728,57 unequal: No Solution Exploring Operation: 54+32=86, Resulting Numbers: [86] 86,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 57:[10, 24, 3], Operations: ['54/18=3'] Exploring Operation: 24-3=21, Resulting Numbers: [10, 21] Generated Node #0,0,0: 57:[10, 21] Operation: 24-3=21 Exploring Operation: 10-3=7, Resulting Numbers: [24, 7] Generated Node #0,0,1: 57:[24, 7] Operation: 10-3=7 Exploring Operation: 10+3=13, Resulting Numbers: [24, 13] Generated Node #0,0,2: 57:[24, 13] Operation: 10+3=13 Exploring Operation: 24-10=14, Resulting Numbers: [3, 14] Generated Node #0,0,3: 57:[3, 14] Operation: 24-10=14 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 57:[3, 14], Operations: ['54/18=3', '24-10=14'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 57:[10, 21], Operations: ['54/18=3', '24-3=21'] Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,57 unequal: No Solution Exploring Operation: 10*21=210, Resulting Numbers: [210] 210,57 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 57:[24, 7], Operations: ['54/18=3', '10-3=7'] Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,57 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 57:[24, 13], Operations: ['54/18=3', '10+3=13'] Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,57 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,57 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: 57:[24, 18, 64], Operations: ['54+10=64'] Exploring Operation: 64-24=40, Resulting Numbers: [18, 40] Generated Node #0,2,0: 57:[18, 40] Operation: 64-24=40 Exploring Operation: 64-18=46, Resulting Numbers: [24, 46] Generated Node #0,2,1: 57:[24, 46] Operation: 64-18=46 Exploring Operation: 24-18=6, Resulting Numbers: [64, 6] Generated Node #0,2,2: 57:[64, 6] Operation: 24-18=6 Exploring Operation: 24+18=42, Resulting Numbers: [64, 42] Generated Node #0,2,3: 57:[64, 42] Operation: 24+18=42 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 57:[64, 6], Operations: ['54+10=64', '24-18=6'] Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,57 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,57 unequal: No Solution Exploring Operation: 64*6=384, Resulting Numbers: [384] 384,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 57:[24, 46], Operations: ['54+10=64', '64-18=46'] Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,57 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 57:[18, 40], Operations: ['54+10=64', '64-24=40'] Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 18+40=58, Resulting Numbers: [58] 58,57 unequal: No Solution Exploring Operation: 18*40=720, Resulting Numbers: [720] 720,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 57:[64, 42], Operations: ['54+10=64', '24+18=42'] Exploring Operation: 64+42=106, Resulting Numbers: [106] 106,57 unequal: No Solution Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 64*42=2688, Resulting Numbers: [2688] 2688,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 57:[54, 24, 8], Operations: ['18-10=8'] Exploring Operation: 24-8=16, Resulting Numbers: [54, 16] Generated Node #0,1,0: 57:[54, 16] Operation: 24-8=16 Exploring Operation: 54+8=62, Resulting Numbers: [24, 62] Generated Node #0,1,1: 57:[24, 62] Operation: 54+8=62 Exploring Operation: 24/8=3, Resulting Numbers: [54, 3] Generated Node #0,1,2: 57:[54, 3] Operation: 24/8=3 Exploring Operation: 54-24=30, Resulting Numbers: [8, 30] Generated Node #0,1,3: 57:[8, 30] Operation: 54-24=30 Moving to Node #0,1,2 Current State: 57:[54, 3], Operations: ['18-10=8', '24/8=3'] Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 54*3=162, Resulting Numbers: [162] 162,57 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,57 unequal: No Solution Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[54, 10, 24, 18], Operations: [] Exploring Operation: 18-10=8, Resulting Numbers: [54, 24, 8] Generated Node #0,1: 57:[54, 24, 8] Operation: 18-10=8 Moving to Node #0,1 Current State: 57:[54, 24, 8], Operations: ['18-10=8'] Exploring Operation: 24/8=3, Resulting Numbers: [54, 3] Generated Node #0,1,2: 57:[54, 3] Operation: 24/8=3 Moving to Node #0,1,2 Current State: 57:[54, 3], Operations: ['18-10=8', '24/8=3'] Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.944444
hs_4
sum_heuristic
[ 36, 85, 12, 98 ]
39
[ "36/12=3", "98-85=13", "3*13=39" ]
Current State: 39:[36, 85, 12, 98], Operations: [] Exploring Operation: 36/12=3, Resulting Numbers: [85, 98, 3] Generated Node #2: [85, 98, 3] from Operation: 36/12=3 Current State: 39:[85, 98, 3], Operations: ['36/12=3'] Exploring Operation: 98-85=13, Resulting Numbers: [3, 13] Generated Node #3: [3, 13] from Operation: 98-85=13 Current State: 39:[3, 13], Operations: ['36/12=3', '98-85=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[36, 85, 12, 98], Operations: [] Exploring Operation: 98-85=13, Resulting Numbers: [36, 12, 13] Generated Node #0,0: 39:[36, 12, 13] Operation: 98-85=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[36, 12, 13], Operations: ['98-85=13'] Exploring Operation: 36/12=3, Resulting Numbers: [13, 3] Generated Node #0,0,0: 39:[13, 3] Operation: 36/12=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[13, 3], Operations: ['98-85=13', '36/12=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[36, 85, 12, 98], Operations: [] Exploring Operation: 98-85=13, Resulting Numbers: [36, 12, 13] Generated Node #0,0: 39:[36, 12, 13] Operation: 98-85=13 Moving to Node #0,0 Current State: 39:[36, 12, 13], Operations: ['98-85=13'] Exploring Operation: 36/12=3, Resulting Numbers: [13, 3] Generated Node #0,0,0: 39:[13, 3] Operation: 36/12=3 Moving to Node #0,0,0 Current State: 39:[13, 3], Operations: ['98-85=13', '36/12=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 22, 3, 4, 96 ]
42
[ "22*3=66", "96/4=24", "66-24=42" ]
Current State: 42:[22, 3, 4, 96], Operations: [] Exploring Operation: 22*3=66, Resulting Numbers: [4, 96, 66] Generated Node #2: [4, 96, 66] from Operation: 22*3=66 Current State: 42:[4, 96, 66], Operations: ['22*3=66'] Exploring Operation: 96/4=24, Resulting Numbers: [66, 24] Generated Node #3: [66, 24] from Operation: 96/4=24 Current State: 42:[66, 24], Operations: ['22*3=66', '96/4=24'] Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[22, 3, 4, 96], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [22, 3, 24] Generated Node #0,0: 42:[22, 3, 24] Operation: 96/4=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[22, 3, 24], Operations: ['96/4=24'] Exploring Operation: 24-22=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 42:[3, 2] Operation: 24-22=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[3, 2], Operations: ['96/4=24', '24-22=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,42 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
[ 31, 74, 50, 70 ]
10
[ "74-31=43", "50-43=7", "70/7=10" ]
Current State: 10:[31, 74, 50, 70], Operations: [] Exploring Operation: 74-31=43, Resulting Numbers: [50, 70, 43] Generated Node #2: [50, 70, 43] from Operation: 74-31=43 Current State: 10:[50, 70, 43], Operations: ['74-31=43'] Exploring Operation: 50-43=7, Resulting Numbers: [70, 7] Generated Node #3: [70, 7] from Operation: 50-43=7 Current State: 10:[70, 7], Operations: ['74-31=43', '50-43=7'] Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[31, 74, 50, 70], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [31, 50, 4] Generated Node #0,0: 10:[31, 50, 4] Operation: 74-70=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[31, 50, 4], Operations: ['74-70=4'] Exploring Operation: 50-31=19, Resulting Numbers: [4, 19] Generated Node #0,0,0: 10:[4, 19] Operation: 50-31=19 Moving to Node #0,0,0 Current State: 10:[4, 19], Operations: ['74-70=4', '50-31=19'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,10 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
[ 35, 33, 37, 3 ]
77
[ "35-33=2", "37*2=74", "3+74=77" ]
Current State: 77:[35, 33, 37, 3], Operations: [] Exploring Operation: 35-33=2, Resulting Numbers: [37, 3, 2] Generated Node #2: [37, 3, 2] from Operation: 35-33=2 Current State: 77:[37, 3, 2], Operations: ['35-33=2'] Exploring Operation: 37*2=74, Resulting Numbers: [3, 74] Generated Node #3: [3, 74] from Operation: 37*2=74 Current State: 77:[3, 74], Operations: ['35-33=2', '37*2=74'] Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[35, 33, 37, 3], Operations: [] Exploring Operation: 35+37=72, Resulting Numbers: [33, 3, 72] Generated Node #0,0: 77:[33, 3, 72] Operation: 35+37=72 Exploring Operation: 37-35=2, Resulting Numbers: [33, 3, 2] Generated Node #0,1: 77:[33, 3, 2] Operation: 37-35=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[33, 3, 72], Operations: ['35+37=72'] Exploring Operation: 33-3=30, Resulting Numbers: [72, 30] Generated Node #0,0,0: 77:[72, 30] Operation: 33-3=30 Exploring Operation: 33/3=11, Resulting Numbers: [72, 11] Generated Node #0,0,1: 77:[72, 11] Operation: 33/3=11 Moving to Node #0,0,1 Current State: 77:[72, 11], Operations: ['35+37=72', '33/3=11'] Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,77 unequal: No Solution Exploring Operation: 72+11=83, Resulting Numbers: [83] 83,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[72, 30], Operations: ['35+37=72', '33-3=30'] Exploring Operation: 72-30=42, Resulting Numbers: [42] 42,77 unequal: No Solution Exploring Operation: 72+30=102, Resulting Numbers: [102] 102,77 unequal: No Solution No 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: 77:[33, 3, 2], Operations: ['37-35=2'] Exploring Operation: 33/3=11, Resulting Numbers: [2, 11] Generated Node #0,1,0: 77:[2, 11] Operation: 33/3=11 Exploring Operation: 33*2=66, Resulting Numbers: [3, 66] Generated Node #0,1,1: 77:[3, 66] Operation: 33*2=66 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 77:[2, 11], Operations: ['37-35=2', '33/3=11'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,77 unequal: No Solution Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,77 unequal: No Solution No 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: 77:[3, 66], Operations: ['37-35=2', '33*2=66'] Exploring Operation: 3+66=69, Resulting Numbers: [69] 69,77 unequal: No Solution Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,77 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
[ 78, 72, 30, 69 ]
12
[ "72-69=3", "30*3=90", "90-78=12" ]
Current State: 12:[78, 72, 30, 69], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [78, 30, 3] Generated Node #2: [78, 30, 3] from Operation: 72-69=3 Current State: 12:[78, 30, 3], Operations: ['72-69=3'] Exploring Operation: 30*3=90, Resulting Numbers: [78, 90] Generated Node #3: [78, 90] from Operation: 30*3=90 Current State: 12:[78, 90], Operations: ['72-69=3', '30*3=90'] Exploring Operation: 90-78=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[78, 72, 30, 69], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [78, 30, 3] Generated Node #0,0: 12:[78, 30, 3] Operation: 72-69=3 Exploring Operation: 78-69=9, Resulting Numbers: [72, 30, 9] Generated Node #0,1: 12:[72, 30, 9] Operation: 78-69=9 Exploring Operation: 78-72=6, Resulting Numbers: [30, 69, 6] Generated Node #0,2: 12:[30, 69, 6] Operation: 78-72=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[30, 69, 6], Operations: ['78-72=6'] Exploring Operation: 30-6=24, Resulting Numbers: [69, 24] Generated Node #0,2,0: 12:[69, 24] Operation: 30-6=24 Exploring Operation: 30/6=5, Resulting Numbers: [69, 5] Generated Node #0,2,1: 12:[69, 5] Operation: 30/6=5 Exploring Operation: 69-30=39, Resulting Numbers: [6, 39] Generated Node #0,2,2: 12:[6, 39] Operation: 69-30=39 Moving to Node #0,2,2 Current State: 12:[6, 39], Operations: ['78-72=6', '69-30=39'] Exploring Operation: 6+39=45, Resulting Numbers: [45] 45,12 unequal: No Solution Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 6*39=234, Resulting Numbers: [234] 234,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[69, 5], Operations: ['78-72=6', '30/6=5'] Exploring Operation: 69+5=74, Resulting Numbers: [74] 74,12 unequal: No Solution Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,12 unequal: No Solution Exploring Operation: 69*5=345, Resulting Numbers: [345] 345,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[69, 24], Operations: ['78-72=6', '30-6=24'] Exploring Operation: 69-24=45, Resulting Numbers: [45] 45,12 unequal: No Solution Exploring Operation: 69*24=1656, Resulting Numbers: [1656] 1656,12 unequal: No Solution Exploring Operation: 69+24=93, Resulting Numbers: [93] 93,12 unequal: No Solution No 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: 12:[72, 30, 9], Operations: ['78-69=9'] Exploring Operation: 72-30=42, Resulting Numbers: [9, 42] Generated Node #0,1,0: 12:[9, 42] Operation: 72-30=42 Exploring Operation: 72/9=8, Resulting Numbers: [30, 8] Generated Node #0,1,1: 12:[30, 8] Operation: 72/9=8 Exploring Operation: 72-9=63, Resulting Numbers: [30, 63] Generated Node #0,1,2: 12:[30, 63] Operation: 72-9=63 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 12:[30, 8], Operations: ['78-69=9', '72/9=8'] Exploring Operation: 30+8=38, Resulting Numbers: [38] 38,12 unequal: No Solution Exploring Operation: 30*8=240, Resulting Numbers: [240] 240,12 unequal: No Solution Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 12:[9, 42], Operations: ['78-69=9', '72-30=42'] Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,12 unequal: No Solution Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 9*42=378, Resulting Numbers: [378] 378,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 12:[30, 63], Operations: ['78-69=9', '72-9=63'] Exploring Operation: 30*63=1890, Resulting Numbers: [1890] 1890,12 unequal: No Solution Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 30+63=93, Resulting Numbers: [93] 93,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[78, 30, 3], Operations: ['72-69=3'] Exploring Operation: 30/3=10, Resulting Numbers: [78, 10] Generated Node #0,0,0: 12:[78, 10] Operation: 30/3=10 Exploring Operation: 78-30=48, Resulting Numbers: [3, 48] Generated Node #0,0,1: 12:[3, 48] Operation: 78-30=48 Exploring Operation: 78/3=26, Resulting Numbers: [30, 26] Generated Node #0,0,2: 12:[30, 26] Operation: 78/3=26 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 12:[30, 26], Operations: ['72-69=3', '78/3=26'] Exploring Operation: 30*26=780, Resulting Numbers: [780] 780,12 unequal: No Solution Exploring Operation: 30+26=56, Resulting Numbers: [56] 56,12 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 12:[3, 48], Operations: ['72-69=3', '78-30=48'] Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,12 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,12 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[78, 10], Operations: ['72-69=3', '30/3=10'] Exploring Operation: 78*10=780, Resulting Numbers: [780] 780,12 unequal: No Solution Exploring Operation: 78+10=88, Resulting Numbers: [88] 88,12 unequal: No Solution Exploring Operation: 78-10=68, Resulting Numbers: [68] 68,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 47, 37, 78, 75 ]
81
[ "47+37=84", "78-75=3", "84-3=81" ]
Current State: 81:[47, 37, 78, 75], Operations: [] Exploring Operation: 47+37=84, Resulting Numbers: [78, 75, 84] Generated Node #2: [78, 75, 84] from Operation: 47+37=84 Current State: 81:[78, 75, 84], Operations: ['47+37=84'] Exploring Operation: 78-75=3, Resulting Numbers: [84, 3] Generated Node #3: [84, 3] from Operation: 78-75=3 Current State: 81:[84, 3], Operations: ['47+37=84', '78-75=3'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[47, 37, 78, 75], Operations: [] Exploring Operation: 47+37=84, Resulting Numbers: [78, 75, 84] Generated Node #0,0: 81:[78, 75, 84] Operation: 47+37=84 Exploring Operation: 75-47=28, Resulting Numbers: [37, 78, 28] Generated Node #0,1: 81:[37, 78, 28] Operation: 75-47=28 Exploring Operation: 47-37=10, Resulting Numbers: [78, 75, 10] Generated Node #0,2: 81:[78, 75, 10] Operation: 47-37=10 Moving to Node #0,2 Current State: 81:[78, 75, 10], Operations: ['47-37=10'] Exploring Operation: 75+10=85, Resulting Numbers: [78, 85] Generated Node #0,2,0: 81:[78, 85] Operation: 75+10=85 Exploring Operation: 78-75=3, Resulting Numbers: [10, 3] Generated Node #0,2,1: 81:[10, 3] Operation: 78-75=3 Exploring Operation: 78+10=88, Resulting Numbers: [75, 88] Generated Node #0,2,2: 81:[75, 88] Operation: 78+10=88 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[10, 3], Operations: ['47-37=10', '78-75=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[78, 85], Operations: ['47-37=10', '75+10=85'] Exploring Operation: 78*85=6630, Resulting Numbers: [6630] 6630,81 unequal: No Solution Exploring Operation: 85-78=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 78+85=163, Resulting Numbers: [163] 163,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[75, 88], Operations: ['47-37=10', '78+10=88'] Exploring Operation: 75+88=163, Resulting Numbers: [163] 163,81 unequal: No Solution Exploring Operation: 75*88=6600, Resulting Numbers: [6600] 6600,81 unequal: No Solution Exploring Operation: 88-75=13, Resulting Numbers: [13] 13,81 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: 81:[78, 75, 84], Operations: ['47+37=84'] Exploring Operation: 78-75=3, Resulting Numbers: [84, 3] Generated Node #0,0,0: 81:[84, 3] Operation: 78-75=3 Exploring Operation: 84-75=9, Resulting Numbers: [78, 9] Generated Node #0,0,1: 81:[78, 9] Operation: 84-75=9 Exploring Operation: 84-78=6, Resulting Numbers: [75, 6] Generated Node #0,0,2: 81:[75, 6] Operation: 84-78=6 Moving to Node #0,1 Current State: 81:[37, 78, 28], Operations: ['75-47=28'] Exploring Operation: 78-37=41, Resulting Numbers: [28, 41] Generated Node #0,1,0: 81:[28, 41] Operation: 78-37=41 Exploring Operation: 37+28=65, Resulting Numbers: [78, 65] Generated Node #0,1,1: 81:[78, 65] Operation: 37+28=65 Exploring Operation: 37-28=9, Resulting Numbers: [78, 9] Generated Node #0,1,2: 81:[78, 9] Operation: 37-28=9 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[78, 9], Operations: ['75-47=28', '37-28=9'] Exploring Operation: 78+9=87, Resulting Numbers: [87] 87,81 unequal: No Solution Exploring Operation: 78-9=69, Resulting Numbers: [69] 69,81 unequal: No Solution Exploring Operation: 78*9=702, Resulting Numbers: [702] 702,81 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 #0,1,0 Current State: 81:[28, 41], Operations: ['75-47=28', '78-37=41'] Exploring Operation: 28+41=69, Resulting Numbers: [69] 69,81 unequal: No Solution Exploring Operation: 28*41=1148, Resulting Numbers: [1148] 1148,81 unequal: No Solution Exploring Operation: 41-28=13, Resulting Numbers: [13] 13,81 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 #0,1,1 Current State: 81:[78, 65], Operations: ['75-47=28', '37+28=65'] Exploring Operation: 78-65=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 78+65=143, Resulting Numbers: [143] 143,81 unequal: No Solution Exploring Operation: 78*65=5070, Resulting Numbers: [5070] 5070,81 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: 81:[84, 3], Operations: ['47+37=84', '78-75=3'] Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 84+3=87, Resulting Numbers: [87] 87,81 unequal: No Solution Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[47, 37, 78, 75], Operations: [] Exploring Operation: 47+37=84, Resulting Numbers: [78, 75, 84] Generated Node #0,0: 81:[78, 75, 84] Operation: 47+37=84 Moving to Node #0,0 Current State: 81:[78, 75, 84], Operations: ['47+37=84'] Exploring Operation: 78-75=3, Resulting Numbers: [84, 3] Generated Node #0,0,0: 81:[84, 3] Operation: 78-75=3 Moving to Node #0,0,0 Current State: 81:[84, 3], Operations: ['47+37=84', '78-75=3'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.967882
hs_3
mult_heuristic
[ 56, 6, 54, 38 ]
27
[ "56-38=18", "54/6=9", "18+9=27" ]
Current State: 27:[56, 6, 54, 38], Operations: [] Exploring Operation: 56-38=18, Resulting Numbers: [6, 54, 18] Generated Node #2: [6, 54, 18] from Operation: 56-38=18 Current State: 27:[6, 54, 18], Operations: ['56-38=18'] Exploring Operation: 54/6=9, Resulting Numbers: [18, 9] Generated Node #3: [18, 9] from Operation: 54/6=9 Current State: 27:[18, 9], Operations: ['56-38=18', '54/6=9'] Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[56, 6, 54, 38], Operations: [] Exploring Operation: 56-38=18, Resulting Numbers: [6, 54, 18] Generated Node #0,0: 27:[6, 54, 18] Operation: 56-38=18 Exploring Operation: 54-38=16, Resulting Numbers: [56, 6, 16] Generated Node #0,1: 27:[56, 6, 16] Operation: 54-38=16 Exploring Operation: 56-54=2, Resulting Numbers: [6, 38, 2] Generated Node #0,2: 27:[6, 38, 2] Operation: 56-54=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[6, 38, 2], Operations: ['56-54=2'] Exploring Operation: 38/2=19, Resulting Numbers: [6, 19] Generated Node #0,2,0: 27:[6, 19] Operation: 38/2=19 Exploring Operation: 6/2=3, Resulting Numbers: [38, 3] Generated Node #0,2,1: 27:[38, 3] Operation: 6/2=3 Exploring Operation: 38-6=32, Resulting Numbers: [2, 32] Generated Node #0,2,2: 27:[2, 32] Operation: 38-6=32 Moving to Node #0,2,2 Current State: 27:[2, 32], Operations: ['56-54=2', '38-6=32'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[6, 19], Operations: ['56-54=2', '38/2=19'] Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 6*19=114, Resulting Numbers: [114] 114,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[38, 3], Operations: ['56-54=2', '6/2=3'] Exploring Operation: 38*3=114, Resulting Numbers: [114] 114,27 unequal: No Solution Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,27 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,27 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:[6, 54, 18], Operations: ['56-38=18'] Exploring Operation: 54/6=9, Resulting Numbers: [18, 9] Generated Node #0,0,0: 27:[18, 9] Operation: 54/6=9 Exploring Operation: 54-18=36, Resulting Numbers: [6, 36] Generated Node #0,0,1: 27:[6, 36] Operation: 54-18=36 Exploring Operation: 54/18=3, Resulting Numbers: [6, 3] Generated Node #0,0,2: 27:[6, 3] Operation: 54/18=3 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[6, 3], Operations: ['56-38=18', '54/18=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,27 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 #0,0,0 Current State: 27:[18, 9], Operations: ['56-38=18', '54/6=9'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[56, 6, 54, 38], Operations: [] Exploring Operation: 56-38=18, Resulting Numbers: [6, 54, 18] Generated Node #0,0: 27:[6, 54, 18] Operation: 56-38=18 Moving to Node #0,0 Current State: 27:[6, 54, 18], Operations: ['56-38=18'] Exploring Operation: 54/6=9, Resulting Numbers: [18, 9] Generated Node #0,0,0: 27:[18, 9] Operation: 54/6=9 Moving to Node #0,0,0 Current State: 27:[18, 9], Operations: ['56-38=18', '54/6=9'] Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.975694
hs_3
mult_heuristic
[ 80, 42, 16, 6 ]
83
[ "42+6=48", "48/16=3", "80+3=83" ]
Current State: 83:[80, 42, 16, 6], Operations: [] Exploring Operation: 42+6=48, Resulting Numbers: [80, 16, 48] Generated Node #2: [80, 16, 48] from Operation: 42+6=48 Current State: 83:[80, 16, 48], Operations: ['42+6=48'] Exploring Operation: 48/16=3, Resulting Numbers: [80, 3] Generated Node #3: [80, 3] from Operation: 48/16=3 Current State: 83:[80, 3], Operations: ['42+6=48', '48/16=3'] Exploring Operation: 80+3=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[80, 42, 16, 6], Operations: [] Exploring Operation: 16*6=96, Resulting Numbers: [80, 42, 96] Generated Node #0,0: 83:[80, 42, 96] Operation: 16*6=96 Moving to Node #0,0 Current State: 83:[80, 42, 96], Operations: ['16*6=96'] Exploring Operation: 96-42=54, Resulting Numbers: [80, 54] Generated Node #0,0,0: 83:[80, 54] Operation: 96-42=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[80, 54], Operations: ['16*6=96', '96-42=54'] Exploring Operation: 80+54=134, Resulting Numbers: [134] 134,83 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