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
[ 11, 90, 92, 51 ]
38
[ "90-11=79", "92-51=41", "79-41=38" ]
Current State: 38:[11, 90, 92, 51], Operations: [] Exploring Operation: 90-11=79, Resulting Numbers: [92, 51, 79] Generated Node #2: [92, 51, 79] from Operation: 90-11=79 Current State: 38:[92, 51, 79], Operations: ['90-11=79'] Exploring Operation: 92-51=41, Resulting Numbers: [79, 41] Generated Node #3: [79, 41] from Operation: 92-51=41 Current State: 38:[79, 41], Operations: ['90-11=79', '92-51=41'] Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[11, 90, 92, 51], Operations: [] Exploring Operation: 90-51=39, Resulting Numbers: [11, 92, 39] Generated Node #0,0: 38:[11, 92, 39] Operation: 90-51=39 Exploring Operation: 92-90=2, Resulting Numbers: [11, 51, 2] Generated Node #0,1: 38:[11, 51, 2] Operation: 92-90=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[11, 51, 2], Operations: ['92-90=2'] Exploring Operation: 11*2=22, Resulting Numbers: [51, 22] Generated Node #0,1,0: 38:[51, 22] Operation: 11*2=22 Exploring Operation: 51-11=40, Resulting Numbers: [2, 40] Generated Node #0,1,1: 38:[2, 40] Operation: 51-11=40 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 38:[2, 40], Operations: ['92-90=2', '51-11=40'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[11, 90, 92, 51], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [11, 51, 2] Generated Node #0,1: 38:[11, 51, 2] Operation: 92-90=2 Moving to Node #0,1 Current State: 38:[11, 51, 2], Operations: ['92-90=2'] Exploring Operation: 51-11=40, Resulting Numbers: [2, 40] Generated Node #0,1,1: 38:[2, 40] Operation: 51-11=40 Moving to Node #0,1,1 Current State: 38:[2, 40], Operations: ['92-90=2', '51-11=40'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 83, 80, 37, 53 ]
48
[ "83-80=3", "53-37=16", "3*16=48" ]
Current State: 48:[83, 80, 37, 53], Operations: [] Exploring Operation: 83-80=3, Resulting Numbers: [37, 53, 3] Generated Node #2: [37, 53, 3] from Operation: 83-80=3 Current State: 48:[37, 53, 3], Operations: ['83-80=3'] Exploring Operation: 53-37=16, Resulting Numbers: [3, 16] Generated Node #3: [3, 16] from Operation: 53-37=16 Current State: 48:[3, 16], Operations: ['83-80=3', '53-37=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[83, 80, 37, 53], Operations: [] Exploring Operation: 83-37=46, Resulting Numbers: [80, 53, 46] Generated Node #0,0: 48:[80, 53, 46] Operation: 83-37=46 Exploring Operation: 83-80=3, Resulting Numbers: [37, 53, 3] Generated Node #0,1: 48:[37, 53, 3] Operation: 83-80=3 Exploring Operation: 80-37=43, Resulting Numbers: [83, 53, 43] Generated Node #0,2: 48:[83, 53, 43] Operation: 80-37=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[37, 53, 3], Operations: ['83-80=3'] Exploring Operation: 53-3=50, Resulting Numbers: [37, 50] Generated Node #0,1,0: 48:[37, 50] Operation: 53-3=50 Exploring Operation: 53-37=16, Resulting Numbers: [3, 16] Generated Node #0,1,1: 48:[3, 16] Operation: 53-37=16 Exploring Operation: 37+3=40, Resulting Numbers: [53, 40] Generated Node #0,1,2: 48:[53, 40] Operation: 37+3=40 Moving to Node #0,1,1 Current State: 48:[3, 16], Operations: ['83-80=3', '53-37=16'] Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,48 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[83, 80, 37, 53], Operations: [] Exploring Operation: 83-80=3, Resulting Numbers: [37, 53, 3] Generated Node #0,1: 48:[37, 53, 3] Operation: 83-80=3 Moving to Node #0,1 Current State: 48:[37, 53, 3], Operations: ['83-80=3'] Exploring Operation: 53-37=16, Resulting Numbers: [3, 16] Generated Node #0,1,1: 48:[3, 16] Operation: 53-37=16 Moving to Node #0,1,1 Current State: 48:[3, 16], Operations: ['83-80=3', '53-37=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 18, 99, 83, 13 ]
47
[ "18+99=117", "83-13=70", "117-70=47" ]
Current State: 47:[18, 99, 83, 13], Operations: [] Exploring Operation: 18+99=117, Resulting Numbers: [83, 13, 117] Generated Node #2: [83, 13, 117] from Operation: 18+99=117 Current State: 47:[83, 13, 117], Operations: ['18+99=117'] Exploring Operation: 83-13=70, Resulting Numbers: [117, 70] Generated Node #3: [117, 70] from Operation: 83-13=70 Current State: 47:[117, 70], Operations: ['18+99=117', '83-13=70'] Exploring Operation: 117-70=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[18, 99, 83, 13], Operations: [] Exploring Operation: 99-13=86, Resulting Numbers: [18, 83, 86] Generated Node #0,0: 47:[18, 83, 86] Operation: 99-13=86 Exploring Operation: 99-18=81, Resulting Numbers: [83, 13, 81] Generated Node #0,1: 47:[83, 13, 81] Operation: 99-18=81 Exploring Operation: 83-18=65, Resulting Numbers: [99, 13, 65] Generated Node #0,2: 47:[99, 13, 65] Operation: 83-18=65 Exploring Operation: 18+13=31, Resulting Numbers: [99, 83, 31] Generated Node #0,3: 47:[99, 83, 31] Operation: 18+13=31 Exploring Operation: 99-83=16, Resulting Numbers: [18, 13, 16] Generated Node #0,4: 47:[18, 13, 16] Operation: 99-83=16 Moving to Node #0,4 Current State: 47:[18, 13, 16], Operations: ['99-83=16'] Exploring Operation: 13+16=29, Resulting Numbers: [18, 29] Generated Node #0,4,0: 47:[18, 29] Operation: 13+16=29 Exploring Operation: 18+13=31, Resulting Numbers: [16, 31] Generated Node #0,4,1: 47:[16, 31] Operation: 18+13=31 Exploring Operation: 18-13=5, Resulting Numbers: [16, 5] Generated Node #0,4,2: 47:[16, 5] Operation: 18-13=5 Exploring Operation: 18+16=34, Resulting Numbers: [13, 34] Generated Node #0,4,3: 47:[13, 34] Operation: 18+16=34 Exploring Operation: 16-13=3, Resulting Numbers: [18, 3] Generated Node #0,4,4: 47:[18, 3] Operation: 16-13=3 Moving to Node #0,1 Current State: 47:[83, 13, 81], Operations: ['99-18=81'] Exploring Operation: 13+81=94, Resulting Numbers: [83, 94] Generated Node #0,1,0: 47:[83, 94] Operation: 13+81=94 Exploring Operation: 81-13=68, Resulting Numbers: [83, 68] Generated Node #0,1,1: 47:[83, 68] Operation: 81-13=68 Exploring Operation: 83-81=2, Resulting Numbers: [13, 2] Generated Node #0,1,2: 47:[13, 2] Operation: 83-81=2 Exploring Operation: 83+13=96, Resulting Numbers: [81, 96] Generated Node #0,1,3: 47:[81, 96] Operation: 83+13=96 Exploring Operation: 83-13=70, Resulting Numbers: [81, 70] Generated Node #0,1,4: 47:[81, 70] Operation: 83-13=70 Moving to Node #0,3 Current State: 47:[99, 83, 31], Operations: ['18+13=31'] Exploring Operation: 99+31=130, Resulting Numbers: [83, 130] Generated Node #0,3,0: 47:[83, 130] Operation: 99+31=130 Exploring Operation: 99-31=68, Resulting Numbers: [83, 68] Generated Node #0,3,1: 47:[83, 68] Operation: 99-31=68 Exploring Operation: 99-83=16, Resulting Numbers: [31, 16] Generated Node #0,3,2: 47:[31, 16] Operation: 99-83=16 Exploring Operation: 83+31=114, Resulting Numbers: [99, 114] Generated Node #0,3,3: 47:[99, 114] Operation: 83+31=114 Exploring Operation: 83-31=52, Resulting Numbers: [99, 52] Generated Node #0,3,4: 47:[99, 52] Operation: 83-31=52 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 47:[31, 16], Operations: ['18+13=31', '99-83=16'] Exploring Operation: 31*16=496, Resulting Numbers: [496] 496,47 unequal: No Solution Exploring Operation: 31+16=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[18, 99, 83, 13], Operations: [] Exploring Operation: 18+13=31, Resulting Numbers: [99, 83, 31] Generated Node #0,3: 47:[99, 83, 31] Operation: 18+13=31 Moving to Node #0,3 Current State: 47:[99, 83, 31], Operations: ['18+13=31'] Exploring Operation: 99-83=16, Resulting Numbers: [31, 16] Generated Node #0,3,2: 47:[31, 16] Operation: 99-83=16 Moving to Node #0,3,2 Current State: 47:[31, 16], Operations: ['18+13=31', '99-83=16'] Exploring Operation: 31+16=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
mult_heuristic
[ 20, 53, 59, 53 ]
67
[ "20+53=73", "59-53=6", "73-6=67" ]
Current State: 67:[20, 53, 59, 53], Operations: [] Exploring Operation: 20+53=73, Resulting Numbers: [59, 73] Generated Node #2: [59, 73] from Operation: 20+53=73 Current State: 67:[59, 73], Operations: ['20+53=73'] Exploring Operation: 59-53=6, Resulting Numbers: [73, 6] Generated Node #3: [73, 6] from Operation: 59-53=6 Current State: 67:[73, 6], Operations: ['20+53=73', '59-53=6'] Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[20, 53, 59, 53], Operations: [] Exploring Operation: 20+53=73, Resulting Numbers: [59, 53, 73] Generated Node #0,0: 67:[59, 53, 73] Operation: 20+53=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[59, 53, 73], Operations: ['20+53=73'] Exploring Operation: 59+53=112, Resulting Numbers: [73, 112] Generated Node #0,0,0: 67:[73, 112] Operation: 59+53=112 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[73, 112], Operations: ['20+53=73', '59+53=112'] Exploring Operation: 112-73=39, Resulting Numbers: [39] 39,67 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_1
mult_heuristic
[ 71, 91, 36, 13 ]
29
[ "91-71=20", "36+13=49", "49-20=29" ]
Current State: 29:[71, 91, 36, 13], Operations: [] Exploring Operation: 91-71=20, Resulting Numbers: [36, 13, 20] Generated Node #2: [36, 13, 20] from Operation: 91-71=20 Current State: 29:[36, 13, 20], Operations: ['91-71=20'] Exploring Operation: 36+13=49, Resulting Numbers: [20, 49] Generated Node #3: [20, 49] from Operation: 36+13=49 Current State: 29:[20, 49], Operations: ['91-71=20', '36+13=49'] Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[71, 91, 36, 13], Operations: [] Exploring Operation: 91-71=20, Resulting Numbers: [36, 13, 20] Generated Node #0,0: 29:[36, 13, 20] Operation: 91-71=20 Exploring Operation: 71-36=35, Resulting Numbers: [91, 13, 35] Generated Node #0,1: 29:[91, 13, 35] Operation: 71-36=35 Exploring Operation: 91-36=55, Resulting Numbers: [71, 13, 55] Generated Node #0,2: 29:[71, 13, 55] Operation: 91-36=55 Exploring Operation: 91/13=7, Resulting Numbers: [71, 36, 7] Generated Node #0,3: 29:[71, 36, 7] Operation: 91/13=7 Moving to Node #0,0 Current State: 29:[36, 13, 20], Operations: ['91-71=20'] Exploring Operation: 36-13=23, Resulting Numbers: [20, 23] Generated Node #0,0,0: 29:[20, 23] Operation: 36-13=23 Exploring Operation: 13+20=33, Resulting Numbers: [36, 33] Generated Node #0,0,1: 29:[36, 33] Operation: 13+20=33 Exploring Operation: 36+13=49, Resulting Numbers: [20, 49] Generated Node #0,0,2: 29:[20, 49] Operation: 36+13=49 Exploring Operation: 36-20=16, Resulting Numbers: [13, 16] Generated Node #0,0,3: 29:[13, 16] Operation: 36-20=16 Moving to Node #0,3 Current State: 29:[71, 36, 7], Operations: ['91/13=7'] Exploring Operation: 36-7=29, Resulting Numbers: [71, 29] Generated Node #0,3,0: 29:[71, 29] Operation: 36-7=29 Exploring Operation: 71-36=35, Resulting Numbers: [7, 35] Generated Node #0,3,1: 29:[7, 35] Operation: 71-36=35 Exploring Operation: 71-7=64, Resulting Numbers: [36, 64] Generated Node #0,3,2: 29:[36, 64] Operation: 71-7=64 Exploring Operation: 71+7=78, Resulting Numbers: [36, 78] Generated Node #0,3,3: 29:[36, 78] Operation: 71+7=78 Moving to Node #0,2 Current State: 29:[71, 13, 55], Operations: ['91-36=55'] Exploring Operation: 55-13=42, Resulting Numbers: [71, 42] Generated Node #0,2,0: 29:[71, 42] Operation: 55-13=42 Exploring Operation: 71-13=58, Resulting Numbers: [55, 58] Generated Node #0,2,1: 29:[55, 58] Operation: 71-13=58 Exploring Operation: 71-55=16, Resulting Numbers: [13, 16] Generated Node #0,2,2: 29:[13, 16] Operation: 71-55=16 Exploring Operation: 71+13=84, Resulting Numbers: [55, 84] Generated Node #0,2,3: 29:[55, 84] Operation: 71+13=84 Moving to Node #0,1 Current State: 29:[91, 13, 35], Operations: ['71-36=35'] Exploring Operation: 91/13=7, Resulting Numbers: [35, 7] Generated Node #0,1,0: 29:[35, 7] Operation: 91/13=7 Exploring Operation: 91-13=78, Resulting Numbers: [35, 78] Generated Node #0,1,1: 29:[35, 78] Operation: 91-13=78 Exploring Operation: 35-13=22, Resulting Numbers: [91, 22] Generated Node #0,1,2: 29:[91, 22] Operation: 35-13=22 Exploring Operation: 91-35=56, Resulting Numbers: [13, 56] Generated Node #0,1,3: 29:[13, 56] Operation: 91-35=56 Moving to Node #0,0,1 Current State: 29:[36, 33], Operations: ['91-71=20', '13+20=33'] Exploring Operation: 36*33=1188, Resulting Numbers: [1188] 1188,29 unequal: No Solution Exploring Operation: 36+33=69, Resulting Numbers: [69] 69,29 unequal: No Solution Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[20, 23], Operations: ['91-71=20', '36-13=23'] Exploring Operation: 20+23=43, Resulting Numbers: [43] 43,29 unequal: No Solution Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 20*23=460, Resulting Numbers: [460] 460,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[35, 7], Operations: ['71-36=35', '91/13=7'] Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,29 unequal: No Solution Exploring Operation: 35*7=245, Resulting Numbers: [245] 245,29 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 35+7=42, Resulting Numbers: [42] 42,29 unequal: No Solution Moving to Node #0,3,1 Current State: 29:[7, 35], Operations: ['91/13=7', '71-36=35'] Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,29 unequal: No Solution Exploring Operation: 7*35=245, Resulting Numbers: [245] 245,29 unequal: No Solution Exploring Operation: 7+35=42, Resulting Numbers: [42] 42,29 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[20, 49], Operations: ['91-71=20', '36+13=49'] Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[71, 91, 36, 13], Operations: [] Exploring Operation: 91-71=20, Resulting Numbers: [36, 13, 20] Generated Node #0,0: 29:[36, 13, 20] Operation: 91-71=20 Moving to Node #0,0 Current State: 29:[36, 13, 20], Operations: ['91-71=20'] Exploring Operation: 36+13=49, Resulting Numbers: [20, 49] Generated Node #0,0,2: 29:[20, 49] Operation: 36+13=49 Moving to Node #0,0,2 Current State: 29:[20, 49], Operations: ['91-71=20', '36+13=49'] Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
0.966146
hs_4
mult_heuristic
[ 38, 4, 36, 57 ]
20
[ "38*36=1368", "1368/57=24", "24-4=20" ]
Current State: 20:[38, 4, 36, 57], Operations: [] Exploring Operation: 38*36=1368, Resulting Numbers: [4, 57, 1368] Generated Node #2: [4, 57, 1368] from Operation: 38*36=1368 Current State: 20:[4, 57, 1368], Operations: ['38*36=1368'] Exploring Operation: 1368/57=24, Resulting Numbers: [4, 24] Generated Node #3: [4, 24] from Operation: 1368/57=24 Current State: 20:[4, 24], Operations: ['38*36=1368', '1368/57=24'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[38, 4, 36, 57], Operations: [] Exploring Operation: 57-38=19, Resulting Numbers: [4, 36, 19] Generated Node #0,0: 20:[4, 36, 19] Operation: 57-38=19 Exploring Operation: 57-36=21, Resulting Numbers: [38, 4, 21] Generated Node #0,1: 20:[38, 4, 21] Operation: 57-36=21 Moving to Node #0,0 Current State: 20:[4, 36, 19], Operations: ['57-38=19'] Exploring Operation: 36-19=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 20:[4, 17] Operation: 36-19=17 Exploring Operation: 36/4=9, Resulting Numbers: [19, 9] Generated Node #0,0,1: 20:[19, 9] Operation: 36/4=9 Moving to Node #0,1 Current State: 20:[38, 4, 21], Operations: ['57-36=21'] Exploring Operation: 38-4=34, Resulting Numbers: [21, 34] Generated Node #0,1,0: 20:[21, 34] Operation: 38-4=34 Exploring Operation: 38-21=17, Resulting Numbers: [4, 17] Generated Node #0,1,1: 20:[4, 17] Operation: 38-21=17 Moving to Node #0,0,1 Current State: 20:[19, 9], Operations: ['57-38=19', '36/4=9'] Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[4, 17], Operations: ['57-36=21', '38-21=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[4, 17], Operations: ['57-38=19', '36-19=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[21, 34], Operations: ['57-36=21', '38-4=34'] Exploring Operation: 34-21=13, Resulting Numbers: [13] 13,20 unequal: No Solution Exploring Operation: 21+34=55, Resulting Numbers: [55] 55,20 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 77, 29, 75, 72 ]
70
[ "77-72=5", "29*5=145", "145-75=70" ]
Current State: 70:[77, 29, 75, 72], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [29, 75, 5] Generated Node #2: [29, 75, 5] from Operation: 77-72=5 Current State: 70:[29, 75, 5], Operations: ['77-72=5'] Exploring Operation: 29*5=145, Resulting Numbers: [75, 145] Generated Node #3: [75, 145] from Operation: 29*5=145 Current State: 70:[75, 145], Operations: ['77-72=5', '29*5=145'] Exploring Operation: 145-75=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[77, 29, 75, 72], Operations: [] Exploring Operation: 77-75=2, Resulting Numbers: [29, 72, 2] Generated Node #0,0: 70:[29, 72, 2] Operation: 77-75=2 Exploring Operation: 75-72=3, Resulting Numbers: [77, 29, 3] Generated Node #0,1: 70:[77, 29, 3] Operation: 75-72=3 Exploring Operation: 77-72=5, Resulting Numbers: [29, 75, 5] Generated Node #0,2: 70:[29, 75, 5] Operation: 77-72=5 Exploring Operation: 77-29=48, Resulting Numbers: [75, 72, 48] Generated Node #0,3: 70:[75, 72, 48] Operation: 77-29=48 Moving to Node #0,0 Current State: 70:[29, 72, 2], Operations: ['77-75=2'] Exploring Operation: 72-29=43, Resulting Numbers: [2, 43] Generated Node #0,0,0: 70:[2, 43] Operation: 72-29=43 Exploring Operation: 72-2=70, Resulting Numbers: [29, 70] Generated Node #0,0,1: 70:[29, 70] Operation: 72-2=70 Exploring Operation: 29+2=31, Resulting Numbers: [72, 31] Generated Node #0,0,2: 70:[72, 31] Operation: 29+2=31 Exploring Operation: 72/2=36, Resulting Numbers: [29, 36] Generated Node #0,0,3: 70:[29, 36] Operation: 72/2=36 Moving to Node #0,2 Current State: 70:[29, 75, 5], Operations: ['77-72=5'] Exploring Operation: 29+5=34, Resulting Numbers: [75, 34] Generated Node #0,2,0: 70:[75, 34] Operation: 29+5=34 Exploring Operation: 75/5=15, Resulting Numbers: [29, 15] Generated Node #0,2,1: 70:[29, 15] Operation: 75/5=15 Exploring Operation: 75-5=70, Resulting Numbers: [29, 70] Generated Node #0,2,2: 70:[29, 70] Operation: 75-5=70 Exploring Operation: 75-29=46, Resulting Numbers: [5, 46] Generated Node #0,2,3: 70:[5, 46] Operation: 75-29=46 Moving to Node #0,1 Current State: 70:[77, 29, 3], Operations: ['75-72=3'] Exploring Operation: 77-3=74, Resulting Numbers: [29, 74] Generated Node #0,1,0: 70:[29, 74] Operation: 77-3=74 Exploring Operation: 77+3=80, Resulting Numbers: [29, 80] Generated Node #0,1,1: 70:[29, 80] Operation: 77+3=80 Exploring Operation: 77-29=48, Resulting Numbers: [3, 48] Generated Node #0,1,2: 70:[3, 48] Operation: 77-29=48 Exploring Operation: 29+3=32, Resulting Numbers: [77, 32] Generated Node #0,1,3: 70:[77, 32] Operation: 29+3=32 Moving to Node #0,3 Current State: 70:[75, 72, 48], Operations: ['77-29=48'] Exploring Operation: 75-48=27, Resulting Numbers: [72, 27] Generated Node #0,3,0: 70:[72, 27] Operation: 75-48=27 Exploring Operation: 75+48=123, Resulting Numbers: [72, 123] Generated Node #0,3,1: 70:[72, 123] Operation: 75+48=123 Exploring Operation: 75-72=3, Resulting Numbers: [48, 3] Generated Node #0,3,2: 70:[48, 3] Operation: 75-72=3 Exploring Operation: 72-48=24, Resulting Numbers: [75, 24] Generated Node #0,3,3: 70:[75, 24] Operation: 72-48=24 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 70:[72, 27], Operations: ['77-29=48', '75-48=27'] Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,70 unequal: No Solution Exploring Operation: 72+27=99, Resulting Numbers: [99] 99,70 unequal: No Solution Exploring Operation: 72*27=1944, Resulting Numbers: [1944] 1944,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 70:[48, 3], Operations: ['77-29=48', '75-72=3'] Exploring Operation: 48*3=144, Resulting Numbers: [144] 144,70 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,70 unequal: No Solution Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,70 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 70:[75, 24], Operations: ['77-29=48', '72-48=24'] Exploring Operation: 75*24=1800, Resulting Numbers: [1800] 1800,70 unequal: No Solution Exploring Operation: 75+24=99, Resulting Numbers: [99] 99,70 unequal: No Solution Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 70:[72, 123], Operations: ['77-29=48', '75+48=123'] Exploring Operation: 72*123=8856, Resulting Numbers: [8856] 8856,70 unequal: No Solution Exploring Operation: 72+123=195, Resulting Numbers: [195] 195,70 unequal: No Solution Exploring Operation: 123-72=51, Resulting Numbers: [51] 51,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 70:[29, 70], Operations: ['77-75=2', '72-2=70'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 29*70=2030, Resulting Numbers: [2030] 2030,70 unequal: No Solution Exploring Operation: 29+70=99, Resulting Numbers: [99] 99,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[29, 70], Operations: ['77-72=5', '75-5=70'] Exploring Operation: 29*70=2030, Resulting Numbers: [2030] 2030,70 unequal: No Solution Exploring Operation: 29+70=99, Resulting Numbers: [99] 99,70 unequal: No Solution Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[72, 31], Operations: ['77-75=2', '29+2=31'] Exploring Operation: 72-31=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 72*31=2232, Resulting Numbers: [2232] 2232,70 unequal: No Solution Exploring Operation: 72+31=103, Resulting Numbers: [103] 103,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[75, 34], Operations: ['77-72=5', '29+5=34'] Exploring Operation: 75*34=2550, Resulting Numbers: [2550] 2550,70 unequal: No Solution Exploring Operation: 75-34=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 75+34=109, Resulting Numbers: [109] 109,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[29, 15], Operations: ['77-72=5', '75/5=15'] Exploring Operation: 29+15=44, Resulting Numbers: [44] 44,70 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,70 unequal: No Solution Exploring Operation: 29*15=435, Resulting Numbers: [435] 435,70 unequal: No Solution Moving to Node #0,0,3 Current State: 70:[29, 36], Operations: ['77-75=2', '72/2=36'] Exploring Operation: 36-29=7, Resulting Numbers: [7] 7,70 unequal: No Solution Exploring Operation: 29*36=1044, Resulting Numbers: [1044] 1044,70 unequal: No Solution Exploring Operation: 29+36=65, Resulting Numbers: [65] 65,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[2, 43], Operations: ['77-75=2', '72-29=43'] Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,70 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,70 unequal: No Solution Moving to Node #0,1,3 Current State: 70:[77, 32], Operations: ['75-72=3', '29+3=32'] Exploring Operation: 77+32=109, Resulting Numbers: [109] 109,70 unequal: No Solution Exploring Operation: 77*32=2464, Resulting Numbers: [2464] 2464,70 unequal: No Solution Exploring Operation: 77-32=45, Resulting Numbers: [45] 45,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[29, 74], Operations: ['75-72=3', '77-3=74'] Exploring Operation: 29+74=103, Resulting Numbers: [103] 103,70 unequal: No Solution Exploring Operation: 74-29=45, Resulting Numbers: [45] 45,70 unequal: No Solution Exploring Operation: 29*74=2146, Resulting Numbers: [2146] 2146,70 unequal: No Solution Moving to Node #0,2,3 Current State: 70:[5, 46], Operations: ['77-72=5', '75-29=46'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,70 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[3, 48], Operations: ['75-72=3', '77-29=48'] Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,70 unequal: No Solution Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,70 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[29, 80], Operations: ['75-72=3', '77+3=80'] Exploring Operation: 29+80=109, Resulting Numbers: [109] 109,70 unequal: No Solution Exploring Operation: 29*80=2320, Resulting Numbers: [2320] 2320,70 unequal: No Solution Exploring Operation: 80-29=51, Resulting Numbers: [51] 51,70 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 56, 33, 41, 4 ]
44
[ "56+33=89", "41+4=45", "89-45=44" ]
Current State: 44:[56, 33, 41, 4], Operations: [] Exploring Operation: 56+33=89, Resulting Numbers: [41, 4, 89] Generated Node #2: [41, 4, 89] from Operation: 56+33=89 Current State: 44:[41, 4, 89], Operations: ['56+33=89'] Exploring Operation: 41+4=45, Resulting Numbers: [89, 45] Generated Node #3: [89, 45] from Operation: 41+4=45 Current State: 44:[89, 45], Operations: ['56+33=89', '41+4=45'] Exploring Operation: 89-45=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[56, 33, 41, 4], Operations: [] Exploring Operation: 56-33=23, Resulting Numbers: [41, 4, 23] Generated Node #0,0: 44:[41, 4, 23] Operation: 56-33=23 Moving to Node #0,0 Current State: 44:[41, 4, 23], Operations: ['56-33=23'] Exploring Operation: 41+4=45, Resulting Numbers: [23, 45] Generated Node #0,0,0: 44:[23, 45] Operation: 41+4=45 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[23, 45], Operations: ['56-33=23', '41+4=45'] Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,44 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
[ 9, 1, 80, 5 ]
77
[ "9-1=8", "80+5=85", "85-8=77" ]
Current State: 77:[9, 1, 80, 5], Operations: [] Exploring Operation: 9-1=8, Resulting Numbers: [80, 5, 8] Generated Node #2: [80, 5, 8] from Operation: 9-1=8 Current State: 77:[80, 5, 8], Operations: ['9-1=8'] Exploring Operation: 80+5=85, Resulting Numbers: [8, 85] Generated Node #3: [8, 85] from Operation: 80+5=85 Current State: 77:[8, 85], Operations: ['9-1=8', '80+5=85'] Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[9, 1, 80, 5], Operations: [] Exploring Operation: 9+1=10, Resulting Numbers: [80, 5, 10] Generated Node #0,0: 77:[80, 5, 10] Operation: 9+1=10 Exploring Operation: 9-1=8, Resulting Numbers: [80, 5, 8] Generated Node #0,1: 77:[80, 5, 8] Operation: 9-1=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[80, 5, 10], Operations: ['9+1=10'] Exploring Operation: 80-5=75, Resulting Numbers: [10, 75] Generated Node #0,0,0: 77:[10, 75] Operation: 80-5=75 Exploring Operation: 80/10=8, Resulting Numbers: [5, 8] Generated Node #0,0,1: 77:[5, 8] Operation: 80/10=8 Moving to Node #0,0,0 Current State: 77:[10, 75], Operations: ['9+1=10', '80-5=75'] Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,77 unequal: No Solution Exploring Operation: 10+75=85, Resulting Numbers: [85] 85,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[5, 8], Operations: ['9+1=10', '80/10=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,77 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,77 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:[80, 5, 8], Operations: ['9-1=8'] Exploring Operation: 80-5=75, Resulting Numbers: [8, 75] Generated Node #0,1,0: 77:[8, 75] Operation: 80-5=75 Exploring Operation: 80/8=10, Resulting Numbers: [5, 10] Generated Node #0,1,1: 77:[5, 10] Operation: 80/8=10 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 77:[8, 75], Operations: ['9-1=8', '80-5=75'] Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,77 unequal: No Solution Exploring Operation: 8+75=83, Resulting Numbers: [83] 83,77 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:[5, 10], Operations: ['9-1=8', '80/8=10'] Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,77 unequal: No Solution Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,77 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
mult_heuristic
[ 80, 94, 92, 37 ]
45
[ "80+94=174", "92+37=129", "174-129=45" ]
Current State: 45:[80, 94, 92, 37], Operations: [] Exploring Operation: 80+94=174, Resulting Numbers: [92, 37, 174] Generated Node #2: [92, 37, 174] from Operation: 80+94=174 Current State: 45:[92, 37, 174], Operations: ['80+94=174'] Exploring Operation: 92+37=129, Resulting Numbers: [174, 129] Generated Node #3: [174, 129] from Operation: 92+37=129 Current State: 45:[174, 129], Operations: ['80+94=174', '92+37=129'] Exploring Operation: 174-129=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[80, 94, 92, 37], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [80, 37, 2] Generated Node #0,0: 45:[80, 37, 2] Operation: 94-92=2 Exploring Operation: 94-80=14, Resulting Numbers: [92, 37, 14] Generated Node #0,1: 45:[92, 37, 14] Operation: 94-80=14 Exploring Operation: 92-80=12, Resulting Numbers: [94, 37, 12] Generated Node #0,2: 45:[94, 37, 12] Operation: 92-80=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[80, 37, 2], Operations: ['94-92=2'] Exploring Operation: 80/2=40, Resulting Numbers: [37, 40] Generated Node #0,0,0: 45:[37, 40] Operation: 80/2=40 Exploring Operation: 80-37=43, Resulting Numbers: [2, 43] Generated Node #0,0,1: 45:[2, 43] Operation: 80-37=43 Exploring Operation: 80-2=78, Resulting Numbers: [37, 78] Generated Node #0,0,2: 45:[37, 78] Operation: 80-2=78 Moving to Node #0,0,1 Current State: 45:[2, 43], Operations: ['94-92=2', '80-37=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,45 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,45 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[80, 94, 92, 37], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [80, 37, 2] Generated Node #0,0: 45:[80, 37, 2] Operation: 94-92=2 Moving to Node #0,0 Current State: 45:[80, 37, 2], Operations: ['94-92=2'] Exploring Operation: 80-37=43, Resulting Numbers: [2, 43] Generated Node #0,0,1: 45:[2, 43] Operation: 80-37=43 Moving to Node #0,0,1 Current State: 45:[2, 43], Operations: ['94-92=2', '80-37=43'] Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 52, 9, 21, 9 ]
13
[ "52-9=43", "21+9=30", "43-30=13" ]
Current State: 13:[52, 9, 21, 9], Operations: [] Exploring Operation: 52-9=43, Resulting Numbers: [21, 43] Generated Node #2: [21, 43] from Operation: 52-9=43 Current State: 13:[21, 43], Operations: ['52-9=43'] Exploring Operation: 21+9=30, Resulting Numbers: [43, 30] Generated Node #3: [43, 30] from Operation: 21+9=30 Current State: 13:[43, 30], Operations: ['52-9=43', '21+9=30'] Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[52, 9, 21, 9], Operations: [] Exploring Operation: 21-9=12, Resulting Numbers: [52, 9, 12] Generated Node #0,0: 13:[52, 9, 12] Operation: 21-9=12 Exploring Operation: 52-21=31, Resulting Numbers: [9, 9, 31] Generated Node #0,1: 13:[9, 9, 31] Operation: 52-21=31 Exploring Operation: 52-9=43, Resulting Numbers: [21, 9, 43] Generated Node #0,2: 13:[21, 9, 43] Operation: 52-9=43 Exploring Operation: 52-9=43, Resulting Numbers: [9, 21, 43] Generated Node #0,3: 13:[9, 21, 43] Operation: 52-9=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[9, 9, 31], Operations: ['52-21=31'] Exploring Operation: 9/9=1, Resulting Numbers: [31, 1] Generated Node #0,1,0: 13:[31, 1] Operation: 9/9=1 Exploring Operation: 31-9=22, Resulting Numbers: [9, 22] Generated Node #0,1,1: 13:[9, 22] Operation: 31-9=22 Exploring Operation: 9+9=18, Resulting Numbers: [31, 18] Generated Node #0,1,2: 13:[31, 18] Operation: 9+9=18 Exploring Operation: 31-9=22, Resulting Numbers: [9, 22] Generated Node #0,1,3: 13:[9, 22] Operation: 31-9=22 Moving to Node #0,1,1 Current State: 13:[9, 22], Operations: ['52-21=31', '31-9=22'] Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[52, 9, 21, 9], Operations: [] Exploring Operation: 52-21=31, Resulting Numbers: [9, 9, 31] Generated Node #0,1: 13:[9, 9, 31] Operation: 52-21=31 Moving to Node #0,1 Current State: 13:[9, 9, 31], Operations: ['52-21=31'] Exploring Operation: 31-9=22, Resulting Numbers: [9, 22] Generated Node #0,1,1: 13:[9, 22] Operation: 31-9=22 Moving to Node #0,1,1 Current State: 13:[9, 22], Operations: ['52-21=31', '31-9=22'] Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 80, 48, 57, 2 ]
91
[ "80-48=32", "57+2=59", "32+59=91" ]
Current State: 91:[80, 48, 57, 2], Operations: [] Exploring Operation: 80-48=32, Resulting Numbers: [57, 2, 32] Generated Node #2: [57, 2, 32] from Operation: 80-48=32 Current State: 91:[57, 2, 32], Operations: ['80-48=32'] Exploring Operation: 57+2=59, Resulting Numbers: [32, 59] Generated Node #3: [32, 59] from Operation: 57+2=59 Current State: 91:[32, 59], Operations: ['80-48=32', '57+2=59'] Exploring Operation: 32+59=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[80, 48, 57, 2], Operations: [] Exploring Operation: 48*2=96, Resulting Numbers: [80, 57, 96] Generated Node #0,0: 91:[80, 57, 96] Operation: 48*2=96 Exploring Operation: 80-57=23, Resulting Numbers: [48, 2, 23] Generated Node #0,1: 91:[48, 2, 23] Operation: 80-57=23 Exploring Operation: 48+57=105, Resulting Numbers: [80, 2, 105] Generated Node #0,2: 91:[80, 2, 105] Operation: 48+57=105 Exploring Operation: 57-48=9, Resulting Numbers: [80, 2, 9] Generated Node #0,3: 91:[80, 2, 9] Operation: 57-48=9 Moving to Node #0,3 Current State: 91:[80, 2, 9], Operations: ['57-48=9'] Exploring Operation: 80+2=82, Resulting Numbers: [9, 82] Generated Node #0,3,0: 91:[9, 82] Operation: 80+2=82 Exploring Operation: 9-2=7, Resulting Numbers: [80, 7] Generated Node #0,3,1: 91:[80, 7] Operation: 9-2=7 Exploring Operation: 80+9=89, Resulting Numbers: [2, 89] Generated Node #0,3,2: 91:[2, 89] Operation: 80+9=89 Exploring Operation: 2+9=11, Resulting Numbers: [80, 11] Generated Node #0,3,3: 91:[80, 11] Operation: 2+9=11 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 91:[2, 89], Operations: ['57-48=9', '80+9=89'] Exploring Operation: 2*89=178, Resulting Numbers: [178] 178,91 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,91 unequal: No Solution Exploring Operation: 2+89=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[80, 48, 57, 2], Operations: [] Exploring Operation: 57-48=9, Resulting Numbers: [80, 2, 9] Generated Node #0,3: 91:[80, 2, 9] Operation: 57-48=9 Moving to Node #0,3 Current State: 91:[80, 2, 9], Operations: ['57-48=9'] Exploring Operation: 80+9=89, Resulting Numbers: [2, 89] Generated Node #0,3,2: 91:[2, 89] Operation: 80+9=89 Moving to Node #0,3,2 Current State: 91:[2, 89], Operations: ['57-48=9', '80+9=89'] Exploring Operation: 2+89=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 18, 25, 42, 63 ]
72
[ "25+42=67", "67-63=4", "18*4=72" ]
Current State: 72:[18, 25, 42, 63], Operations: [] Exploring Operation: 25+42=67, Resulting Numbers: [18, 63, 67] Generated Node #2: [18, 63, 67] from Operation: 25+42=67 Current State: 72:[18, 63, 67], Operations: ['25+42=67'] Exploring Operation: 67-63=4, Resulting Numbers: [18, 4] Generated Node #3: [18, 4] from Operation: 67-63=4 Current State: 72:[18, 4], Operations: ['25+42=67', '67-63=4'] Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[18, 25, 42, 63], Operations: [] Exploring Operation: 42-18=24, Resulting Numbers: [25, 63, 24] Generated Node #0,0: 72:[25, 63, 24] Operation: 42-18=24 Exploring Operation: 63-25=38, Resulting Numbers: [18, 42, 38] Generated Node #0,1: 72:[18, 42, 38] Operation: 63-25=38 Exploring Operation: 25+42=67, Resulting Numbers: [18, 63, 67] Generated Node #0,2: 72:[18, 63, 67] Operation: 25+42=67 Exploring Operation: 42-25=17, Resulting Numbers: [18, 63, 17] Generated Node #0,3: 72:[18, 63, 17] Operation: 42-25=17 Exploring Operation: 63-42=21, Resulting Numbers: [18, 25, 21] Generated Node #0,4: 72:[18, 25, 21] Operation: 63-42=21 Moving to Node #0,4 Current State: 72:[18, 25, 21], Operations: ['63-42=21'] Exploring Operation: 21-18=3, Resulting Numbers: [25, 3] Generated Node #0,4,0: 72:[25, 3] Operation: 21-18=3 Exploring Operation: 18+25=43, Resulting Numbers: [21, 43] Generated Node #0,4,1: 72:[21, 43] Operation: 18+25=43 Exploring Operation: 25-21=4, Resulting Numbers: [18, 4] Generated Node #0,4,2: 72:[18, 4] Operation: 25-21=4 Exploring Operation: 25-18=7, Resulting Numbers: [21, 7] Generated Node #0,4,3: 72:[21, 7] Operation: 25-18=7 Exploring Operation: 18+21=39, Resulting Numbers: [25, 39] Generated Node #0,4,4: 72:[25, 39] Operation: 18+21=39 Moving to Node #0,1 Current State: 72:[18, 42, 38], Operations: ['63-25=38'] Exploring Operation: 38-18=20, Resulting Numbers: [42, 20] Generated Node #0,1,0: 72:[42, 20] Operation: 38-18=20 Exploring Operation: 42-18=24, Resulting Numbers: [38, 24] Generated Node #0,1,1: 72:[38, 24] Operation: 42-18=24 Exploring Operation: 18+42=60, Resulting Numbers: [38, 60] Generated Node #0,1,2: 72:[38, 60] Operation: 18+42=60 Exploring Operation: 42-38=4, Resulting Numbers: [18, 4] Generated Node #0,1,3: 72:[18, 4] Operation: 42-38=4 Exploring Operation: 42+38=80, Resulting Numbers: [18, 80] Generated Node #0,1,4: 72:[18, 80] Operation: 42+38=80 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 72:[18, 4], Operations: ['63-25=38', '42-38=4'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,72 unequal: No Solution Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,72 unequal: No Solution Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[18, 25, 42, 63], Operations: [] Exploring Operation: 63-25=38, Resulting Numbers: [18, 42, 38] Generated Node #0,1: 72:[18, 42, 38] Operation: 63-25=38 Moving to Node #0,1 Current State: 72:[18, 42, 38], Operations: ['63-25=38'] Exploring Operation: 42-38=4, Resulting Numbers: [18, 4] Generated Node #0,1,3: 72:[18, 4] Operation: 42-38=4 Moving to Node #0,1,3 Current State: 72:[18, 4], Operations: ['63-25=38', '42-38=4'] Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 34, 94, 57, 94 ]
90
[ "34+57=91", "94/94=1", "91-1=90" ]
Current State: 90:[34, 94, 57, 94], Operations: [] Exploring Operation: 34+57=91, Resulting Numbers: [94, 94, 91] Generated Node #2: [94, 94, 91] from Operation: 34+57=91 Current State: 90:[94, 94, 91], Operations: ['34+57=91'] Exploring Operation: 94/94=1, Resulting Numbers: [91, 1] Generated Node #3: [91, 1] from Operation: 94/94=1 Current State: 90:[91, 1], Operations: ['34+57=91', '94/94=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[34, 94, 57, 94], Operations: [] Exploring Operation: 57-34=23, Resulting Numbers: [94, 94, 23] Generated Node #0,0: 90:[94, 94, 23] Operation: 57-34=23 Exploring Operation: 94-57=37, Resulting Numbers: [34, 94, 37] Generated Node #0,1: 90:[34, 94, 37] Operation: 94-57=37 Exploring Operation: 34+57=91, Resulting Numbers: [94, 94, 91] Generated Node #0,2: 90:[94, 94, 91] Operation: 34+57=91 Exploring Operation: 94-57=37, Resulting Numbers: [34, 94, 37] Generated Node #0,3: 90:[34, 94, 37] Operation: 94-57=37 Moving to Node #0,2 Current State: 90:[94, 94, 91], Operations: ['34+57=91'] Exploring Operation: 94-94=0, Resulting Numbers: [91, 0] Generated Node #0,2,0: 90:[91, 0] Operation: 94-94=0 Exploring Operation: 94-91=3, Resulting Numbers: [94, 3] Generated Node #0,2,1: 90:[94, 3] Operation: 94-91=3 Exploring Operation: 94/94=1, Resulting Numbers: [91, 1] Generated Node #0,2,2: 90:[91, 1] Operation: 94/94=1 Exploring Operation: 94-91=3, Resulting Numbers: [94, 3] Generated Node #0,2,3: 90:[94, 3] Operation: 94-91=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 90:[91, 1], Operations: ['34+57=91', '94/94=1'] Exploring Operation: 91+1=92, Resulting Numbers: [92] 92,90 unequal: No Solution Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[34, 94, 57, 94], Operations: [] Exploring Operation: 34+57=91, Resulting Numbers: [94, 94, 91] Generated Node #0,2: 90:[94, 94, 91] Operation: 34+57=91 Moving to Node #0,2 Current State: 90:[94, 94, 91], Operations: ['34+57=91'] Exploring Operation: 94/94=1, Resulting Numbers: [91, 1] Generated Node #0,2,2: 90:[91, 1] Operation: 94/94=1 Moving to Node #0,2,2 Current State: 90:[91, 1], Operations: ['34+57=91', '94/94=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 42, 19, 99, 75 ]
37
[ "42+19=61", "99-75=24", "61-24=37" ]
Current State: 37:[42, 19, 99, 75], Operations: [] Exploring Operation: 42+19=61, Resulting Numbers: [99, 75, 61] Generated Node #2: [99, 75, 61] from Operation: 42+19=61 Current State: 37:[99, 75, 61], Operations: ['42+19=61'] Exploring Operation: 99-75=24, Resulting Numbers: [61, 24] Generated Node #3: [61, 24] from Operation: 99-75=24 Current State: 37:[61, 24], Operations: ['42+19=61', '99-75=24'] Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[42, 19, 99, 75], Operations: [] Exploring Operation: 75-42=33, Resulting Numbers: [19, 99, 33] Generated Node #0,0: 37:[19, 99, 33] Operation: 75-42=33 Exploring Operation: 99-19=80, Resulting Numbers: [42, 75, 80] Generated Node #0,1: 37:[42, 75, 80] Operation: 99-19=80 Exploring Operation: 99-42=57, Resulting Numbers: [19, 75, 57] Generated Node #0,2: 37:[19, 75, 57] Operation: 99-42=57 Exploring Operation: 75-19=56, Resulting Numbers: [42, 99, 56] Generated Node #0,3: 37:[42, 99, 56] Operation: 75-19=56 Exploring Operation: 99-75=24, Resulting Numbers: [42, 19, 24] Generated Node #0,4: 37:[42, 19, 24] Operation: 99-75=24 Start Sub Search at level 1: Moving to Node #0,4 Current State: 37:[42, 19, 24], Operations: ['99-75=24'] Exploring Operation: 19+24=43, Resulting Numbers: [42, 43] Generated Node #0,4,0: 37:[42, 43] Operation: 19+24=43 Exploring Operation: 42+19=61, Resulting Numbers: [24, 61] Generated Node #0,4,1: 37:[24, 61] Operation: 42+19=61 Exploring Operation: 42-19=23, Resulting Numbers: [24, 23] Generated Node #0,4,2: 37:[24, 23] Operation: 42-19=23 Exploring Operation: 24-19=5, Resulting Numbers: [42, 5] Generated Node #0,4,3: 37:[42, 5] Operation: 24-19=5 Exploring Operation: 42-24=18, Resulting Numbers: [19, 18] Generated Node #0,4,4: 37:[19, 18] Operation: 42-24=18 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 37:[42, 43], Operations: ['99-75=24', '19+24=43'] Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 42*43=1806, Resulting Numbers: [1806] 1806,37 unequal: No Solution Exploring Operation: 42+43=85, Resulting Numbers: [85] 85,37 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 #0,4,2 Current State: 37:[24, 23], Operations: ['99-75=24', '42-19=23'] Exploring Operation: 24+23=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 24*23=552, Resulting Numbers: [552] 552,37 unequal: No Solution Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,37 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 #0,4,1 Current State: 37:[24, 61], Operations: ['99-75=24', '42+19=61'] Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[42, 19, 99, 75], Operations: [] Exploring Operation: 99-75=24, Resulting Numbers: [42, 19, 24] Generated Node #0,4: 37:[42, 19, 24] Operation: 99-75=24 Moving to Node #0,4 Current State: 37:[42, 19, 24], Operations: ['99-75=24'] Exploring Operation: 42+19=61, Resulting Numbers: [24, 61] Generated Node #0,4,1: 37:[24, 61] Operation: 42+19=61 Moving to Node #0,4,1 Current State: 37:[24, 61], Operations: ['99-75=24', '42+19=61'] Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 16, 91, 4, 41 ]
54
[ "16/4=4", "91-41=50", "4+50=54" ]
Current State: 54:[16, 91, 4, 41], Operations: [] Exploring Operation: 16/4=4, Resulting Numbers: [91, 41, 4] Generated Node #2: [91, 41, 4] from Operation: 16/4=4 Current State: 54:[91, 41, 4], Operations: ['16/4=4'] Exploring Operation: 91-41=50, Resulting Numbers: [4, 50] Generated Node #3: [4, 50] from Operation: 91-41=50 Current State: 54:[4, 50], Operations: ['16/4=4', '91-41=50'] Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[16, 91, 4, 41], Operations: [] Exploring Operation: 91-41=50, Resulting Numbers: [16, 4, 50] Generated Node #0,0: 54:[16, 4, 50] Operation: 91-41=50 Exploring Operation: 91-16=75, Resulting Numbers: [4, 41, 75] Generated Node #0,1: 54:[4, 41, 75] Operation: 91-16=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[16, 4, 50], Operations: ['91-41=50'] Exploring Operation: 4+50=54, Resulting Numbers: [16, 54] Generated Node #0,0,0: 54:[16, 54] Operation: 4+50=54 Exploring Operation: 16/4=4, Resulting Numbers: [50, 4] Generated Node #0,0,1: 54:[50, 4] Operation: 16/4=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[16, 54], Operations: ['91-41=50', '4+50=54'] Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,54 unequal: No Solution Exploring Operation: 16+54=70, Resulting Numbers: [70] 70,54 unequal: No Solution No 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: 54:[50, 4], Operations: ['91-41=50', '16/4=4'] Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[16, 91, 4, 41], Operations: [] Exploring Operation: 91-41=50, Resulting Numbers: [16, 4, 50] Generated Node #0,0: 54:[16, 4, 50] Operation: 91-41=50 Moving to Node #0,0 Current State: 54:[16, 4, 50], Operations: ['91-41=50'] Exploring Operation: 16/4=4, Resulting Numbers: [50, 4] Generated Node #0,0,1: 54:[50, 4] Operation: 16/4=4 Moving to Node #0,0,1 Current State: 54:[50, 4], Operations: ['91-41=50', '16/4=4'] Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 84, 65, 39, 52 ]
81
[ "65+52=117", "117/39=3", "84-3=81" ]
Current State: 81:[84, 65, 39, 52], Operations: [] Exploring Operation: 65+52=117, Resulting Numbers: [84, 39, 117] Generated Node #2: [84, 39, 117] from Operation: 65+52=117 Current State: 81:[84, 39, 117], Operations: ['65+52=117'] Exploring Operation: 117/39=3, Resulting Numbers: [84, 3] Generated Node #3: [84, 3] from Operation: 117/39=3 Current State: 81:[84, 3], Operations: ['65+52=117', '117/39=3'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[84, 65, 39, 52], Operations: [] Exploring Operation: 52-39=13, Resulting Numbers: [84, 65, 13] Generated Node #0,0: 81:[84, 65, 13] Operation: 52-39=13 Exploring Operation: 65-39=26, Resulting Numbers: [84, 52, 26] Generated Node #0,1: 81:[84, 52, 26] Operation: 65-39=26 Exploring Operation: 65-52=13, Resulting Numbers: [84, 39, 13] Generated Node #0,2: 81:[84, 39, 13] Operation: 65-52=13 Moving to Node #0,2 Current State: 81:[84, 39, 13], Operations: ['65-52=13'] Exploring Operation: 39-13=26, Resulting Numbers: [84, 26] Generated Node #0,2,0: 81:[84, 26] Operation: 39-13=26 Exploring Operation: 39/13=3, Resulting Numbers: [84, 3] Generated Node #0,2,1: 81:[84, 3] Operation: 39/13=3 Exploring Operation: 84-39=45, Resulting Numbers: [13, 45] Generated Node #0,2,2: 81:[13, 45] Operation: 84-39=45 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[84, 3], Operations: ['65-52=13', '39/13=3'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[84, 65, 39, 52], Operations: [] Exploring Operation: 65-52=13, Resulting Numbers: [84, 39, 13] Generated Node #0,2: 81:[84, 39, 13] Operation: 65-52=13 Moving to Node #0,2 Current State: 81:[84, 39, 13], Operations: ['65-52=13'] Exploring Operation: 39/13=3, Resulting Numbers: [84, 3] Generated Node #0,2,1: 81:[84, 3] Operation: 39/13=3 Moving to Node #0,2,1 Current State: 81:[84, 3], Operations: ['65-52=13', '39/13=3'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 21, 12, 1, 23 ]
11
[ "21+12=33", "23-1=22", "33-22=11" ]
Current State: 11:[21, 12, 1, 23], Operations: [] Exploring Operation: 21+12=33, Resulting Numbers: [1, 23, 33] Generated Node #2: [1, 23, 33] from Operation: 21+12=33 Current State: 11:[1, 23, 33], Operations: ['21+12=33'] Exploring Operation: 23-1=22, Resulting Numbers: [33, 22] Generated Node #3: [33, 22] from Operation: 23-1=22 Current State: 11:[33, 22], Operations: ['21+12=33', '23-1=22'] Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[21, 12, 1, 23], Operations: [] Exploring Operation: 21-1=20, Resulting Numbers: [12, 23, 20] Generated Node #0,0: 11:[12, 23, 20] Operation: 21-1=20 Exploring Operation: 23-1=22, Resulting Numbers: [21, 12, 22] Generated Node #0,1: 11:[21, 12, 22] Operation: 23-1=22 Exploring Operation: 12-1=11, Resulting Numbers: [21, 23, 11] Generated Node #0,2: 11:[21, 23, 11] Operation: 12-1=11 Exploring Operation: 23-12=11, Resulting Numbers: [21, 1, 11] Generated Node #0,3: 11:[21, 1, 11] Operation: 23-12=11 Exploring Operation: 23-21=2, Resulting Numbers: [12, 1, 2] Generated Node #0,4: 11:[12, 1, 2] Operation: 23-21=2 Moving to Node #0,3 Current State: 11:[21, 1, 11], Operations: ['23-12=11'] Exploring Operation: 21-1=20, Resulting Numbers: [11, 20] Generated Node #0,3,0: 11:[11, 20] Operation: 21-1=20 Exploring Operation: 21/1=21, Resulting Numbers: [11, 21] Generated Node #0,3,1: 11:[11, 21] Operation: 21/1=21 Exploring Operation: 11/1=11, Resulting Numbers: [21, 11] Generated Node #0,3,2: 11:[21, 11] Operation: 11/1=11 Exploring Operation: 1*11=11, Resulting Numbers: [21, 11] Generated Node #0,3,3: 11:[21, 11] Operation: 1*11=11 Exploring Operation: 21*1=21, Resulting Numbers: [11, 21] Generated Node #0,3,4: 11:[11, 21] Operation: 21*1=21 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 11:[11, 20], Operations: ['23-12=11', '21-1=20'] Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,11 unequal: No Solution Exploring Operation: 11*20=220, Resulting Numbers: [220] 220,11 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 11:[11, 21], Operations: ['23-12=11', '21/1=21'] Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,11 unequal: No Solution Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 11:[21, 11], Operations: ['23-12=11', '11/1=11'] Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,11 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 11:[21, 11], Operations: ['23-12=11', '1*11=11'] Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,11 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 11:[11, 21], Operations: ['23-12=11', '21*1=21'] Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,11 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: 11:[12, 1, 2], Operations: ['23-21=2'] Exploring Operation: 12*1=12, Resulting Numbers: [2, 12] Generated Node #0,4,0: 11:[2, 12] Operation: 12*1=12 Exploring Operation: 1+2=3, Resulting Numbers: [12, 3] Generated Node #0,4,1: 11:[12, 3] Operation: 1+2=3 Exploring Operation: 12-1=11, Resulting Numbers: [2, 11] Generated Node #0,4,2: 11:[2, 11] Operation: 12-1=11 Exploring Operation: 12/1=12, Resulting Numbers: [2, 12] Generated Node #0,4,3: 11:[2, 12] Operation: 12/1=12 Exploring Operation: 1*2=2, Resulting Numbers: [12, 2] Generated Node #0,4,4: 11:[12, 2] Operation: 1*2=2 Moving to Node #0,0 Current State: 11:[12, 23, 20], Operations: ['21-1=20'] Exploring Operation: 23-20=3, Resulting Numbers: [12, 3] Generated Node #0,0,0: 11:[12, 3] Operation: 23-20=3 Exploring Operation: 20-12=8, Resulting Numbers: [23, 8] Generated Node #0,0,1: 11:[23, 8] Operation: 20-12=8 Exploring Operation: 23-12=11, Resulting Numbers: [20, 11] Generated Node #0,0,2: 11:[20, 11] Operation: 23-12=11 Exploring Operation: 12+23=35, Resulting Numbers: [20, 35] Generated Node #0,0,3: 11:[20, 35] Operation: 12+23=35 Exploring Operation: 12+20=32, Resulting Numbers: [23, 32] Generated Node #0,0,4: 11:[23, 32] Operation: 12+20=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[12, 3], Operations: ['21-1=20', '23-20=3'] Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,11 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 11:[20, 11], Operations: ['21-1=20', '23-12=11'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,11 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[23, 8], Operations: ['21-1=20', '20-12=8'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 23+8=31, Resulting Numbers: [31] 31,11 unequal: No Solution Exploring Operation: 23*8=184, Resulting Numbers: [184] 184,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 11:[20, 35], Operations: ['21-1=20', '12+23=35'] Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 20*35=700, Resulting Numbers: [700] 700,11 unequal: No Solution Exploring Operation: 20+35=55, Resulting Numbers: [55] 55,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 11:[23, 32], Operations: ['21-1=20', '12+20=32'] Exploring Operation: 23+32=55, Resulting Numbers: [55] 55,11 unequal: No Solution Exploring Operation: 23*32=736, Resulting Numbers: [736] 736,11 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,11 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: 11:[21, 12, 22], Operations: ['23-1=22'] Exploring Operation: 21+22=43, Resulting Numbers: [12, 43] Generated Node #0,1,0: 11:[12, 43] Operation: 21+22=43 Exploring Operation: 22-12=10, Resulting Numbers: [21, 10] Generated Node #0,1,1: 11:[21, 10] Operation: 22-12=10 Exploring Operation: 21-12=9, Resulting Numbers: [22, 9] Generated Node #0,1,2: 11:[22, 9] Operation: 21-12=9 Exploring Operation: 21+12=33, Resulting Numbers: [22, 33] Generated Node #0,1,3: 11:[22, 33] Operation: 21+12=33 Exploring Operation: 22-21=1, Resulting Numbers: [12, 1] Generated Node #0,1,4: 11:[12, 1] Operation: 22-21=1 Moving to Node #0,2 Current State: 11:[21, 23, 11], Operations: ['12-1=11'] Exploring Operation: 21+23=44, Resulting Numbers: [11, 44] Generated Node #0,2,0: 11:[11, 44] Operation: 21+23=44 Exploring Operation: 23-21=2, Resulting Numbers: [11, 2] Generated Node #0,2,1: 11:[11, 2] Operation: 23-21=2 Exploring Operation: 23-11=12, Resulting Numbers: [21, 12] Generated Node #0,2,2: 11:[21, 12] Operation: 23-11=12 Exploring Operation: 21+11=32, Resulting Numbers: [23, 32] Generated Node #0,2,3: 11:[23, 32] Operation: 21+11=32 Exploring Operation: 21-11=10, Resulting Numbers: [23, 10] Generated Node #0,2,4: 11:[23, 10] Operation: 21-11=10 Moving to Node #0,4,1 Current State: 11:[12, 3], Operations: ['23-21=2', '1+2=3'] Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,11 unequal: No Solution Moving to Node #0,4,2 Current State: 11:[2, 11], Operations: ['23-21=2', '12-1=11'] Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,11 unequal: No Solution Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,11 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[11, 2], Operations: ['12-1=11', '23-21=2'] Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,11 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,11 unequal: No Solution Moving to Node #0,4,0 Current State: 11:[2, 12], Operations: ['23-21=2', '12*1=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,11 unequal: No Solution Moving to Node #0,4,4 Current State: 11:[12, 2], Operations: ['23-21=2', '1*2=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,11 unequal: No Solution Moving to Node #0,4,3 Current State: 11:[2, 12], Operations: ['23-21=2', '12/1=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,11 unequal: No Solution Moving to Node #0,1,4 Current State: 11:[12, 1], Operations: ['23-1=22', '22-21=1'] Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,11 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,11 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[21, 12, 1, 23], Operations: [] Exploring Operation: 23-1=22, Resulting Numbers: [21, 12, 22] Generated Node #0,1: 11:[21, 12, 22] Operation: 23-1=22 Moving to Node #0,1 Current State: 11:[21, 12, 22], Operations: ['23-1=22'] Exploring Operation: 22-21=1, Resulting Numbers: [12, 1] Generated Node #0,1,4: 11:[12, 1] Operation: 22-21=1 Moving to Node #0,1,4 Current State: 11:[12, 1], Operations: ['23-1=22', '22-21=1'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
0.921875
hs_5
sum_heuristic
[ 95, 67, 65, 82 ]
15
[ "95+67=162", "65+82=147", "162-147=15" ]
Current State: 15:[95, 67, 65, 82], Operations: [] Exploring Operation: 95+67=162, Resulting Numbers: [65, 82, 162] Generated Node #2: [65, 82, 162] from Operation: 95+67=162 Current State: 15:[65, 82, 162], Operations: ['95+67=162'] Exploring Operation: 65+82=147, Resulting Numbers: [162, 147] Generated Node #3: [162, 147] from Operation: 65+82=147 Current State: 15:[162, 147], Operations: ['95+67=162', '65+82=147'] Exploring Operation: 162-147=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[95, 67, 65, 82], Operations: [] Exploring Operation: 95-82=13, Resulting Numbers: [67, 65, 13] Generated Node #0,0: 15:[67, 65, 13] Operation: 95-82=13 Exploring Operation: 95-67=28, Resulting Numbers: [65, 82, 28] Generated Node #0,1: 15:[65, 82, 28] Operation: 95-67=28 Exploring Operation: 82-65=17, Resulting Numbers: [95, 67, 17] Generated Node #0,2: 15:[95, 67, 17] Operation: 82-65=17 Exploring Operation: 95-65=30, Resulting Numbers: [67, 82, 30] Generated Node #0,3: 15:[67, 82, 30] Operation: 95-65=30 Exploring Operation: 82-67=15, Resulting Numbers: [95, 65, 15] Generated Node #0,4: 15:[95, 65, 15] Operation: 82-67=15 Moving to Node #0,0 Current State: 15:[67, 65, 13], Operations: ['95-82=13'] Exploring Operation: 65/13=5, Resulting Numbers: [67, 5] Generated Node #0,0,0: 15:[67, 5] Operation: 65/13=5 Exploring Operation: 67+13=80, Resulting Numbers: [65, 80] Generated Node #0,0,1: 15:[65, 80] Operation: 67+13=80 Exploring Operation: 67-13=54, Resulting Numbers: [65, 54] Generated Node #0,0,2: 15:[65, 54] Operation: 67-13=54 Exploring Operation: 67-65=2, Resulting Numbers: [13, 2] Generated Node #0,0,3: 15:[13, 2] Operation: 67-65=2 Exploring Operation: 65-13=52, Resulting Numbers: [67, 52] Generated Node #0,0,4: 15:[67, 52] Operation: 65-13=52 Moving to Node #0,4 Current State: 15:[95, 65, 15], Operations: ['82-67=15'] Exploring Operation: 95+15=110, Resulting Numbers: [65, 110] Generated Node #0,4,0: 15:[65, 110] Operation: 95+15=110 Exploring Operation: 65-15=50, Resulting Numbers: [95, 50] Generated Node #0,4,1: 15:[95, 50] Operation: 65-15=50 Exploring Operation: 95-15=80, Resulting Numbers: [65, 80] Generated Node #0,4,2: 15:[65, 80] Operation: 95-15=80 Exploring Operation: 95+65=160, Resulting Numbers: [15, 160] Generated Node #0,4,3: 15:[15, 160] Operation: 95+65=160 Exploring Operation: 95-65=30, Resulting Numbers: [15, 30] Generated Node #0,4,4: 15:[15, 30] Operation: 95-65=30 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 15:[15, 30], Operations: ['82-67=15', '95-65=30'] Exploring Operation: 30/15=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 30-15=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[95, 67, 65, 82], Operations: [] Exploring Operation: 82-67=15, Resulting Numbers: [95, 65, 15] Generated Node #0,4: 15:[95, 65, 15] Operation: 82-67=15 Moving to Node #0,4 Current State: 15:[95, 65, 15], Operations: ['82-67=15'] Exploring Operation: 95-65=30, Resulting Numbers: [15, 30] Generated Node #0,4,4: 15:[15, 30] Operation: 95-65=30 Moving to Node #0,4,4 Current State: 15:[15, 30], Operations: ['82-67=15', '95-65=30'] Exploring Operation: 30-15=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 3, 49, 71, 16 ]
56
[ "49+71=120", "120/3=40", "16+40=56" ]
Current State: 56:[3, 49, 71, 16], Operations: [] Exploring Operation: 49+71=120, Resulting Numbers: [3, 16, 120] Generated Node #2: [3, 16, 120] from Operation: 49+71=120 Current State: 56:[3, 16, 120], Operations: ['49+71=120'] Exploring Operation: 120/3=40, Resulting Numbers: [16, 40] Generated Node #3: [16, 40] from Operation: 120/3=40 Current State: 56:[16, 40], Operations: ['49+71=120', '120/3=40'] Exploring Operation: 16+40=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[3, 49, 71, 16], Operations: [] Exploring Operation: 3+49=52, Resulting Numbers: [71, 16, 52] Generated Node #0,0: 56:[71, 16, 52] Operation: 3+49=52 Exploring Operation: 49-16=33, Resulting Numbers: [3, 71, 33] Generated Node #0,1: 56:[3, 71, 33] Operation: 49-16=33 Exploring Operation: 71-16=55, Resulting Numbers: [3, 49, 55] Generated Node #0,2: 56:[3, 49, 55] Operation: 71-16=55 Exploring Operation: 71-3=68, Resulting Numbers: [49, 16, 68] Generated Node #0,3: 56:[49, 16, 68] Operation: 71-3=68 Exploring Operation: 71-49=22, Resulting Numbers: [3, 16, 22] Generated Node #0,4: 56:[3, 16, 22] Operation: 71-49=22 Moving to Node #0,2 Current State: 56:[3, 49, 55], Operations: ['71-16=55'] Exploring Operation: 55-3=52, Resulting Numbers: [49, 52] Generated Node #0,2,0: 56:[49, 52] Operation: 55-3=52 Exploring Operation: 49-3=46, Resulting Numbers: [55, 46] Generated Node #0,2,1: 56:[55, 46] Operation: 49-3=46 Exploring Operation: 3+55=58, Resulting Numbers: [49, 58] Generated Node #0,2,2: 56:[49, 58] Operation: 3+55=58 Exploring Operation: 55-49=6, Resulting Numbers: [3, 6] Generated Node #0,2,3: 56:[3, 6] Operation: 55-49=6 Exploring Operation: 3+49=52, Resulting Numbers: [55, 52] Generated Node #0,2,4: 56:[55, 52] Operation: 3+49=52 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 56:[3, 6], Operations: ['71-16=55', '55-49=6'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,56 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 56:[55, 52], Operations: ['71-16=55', '3+49=52'] Exploring Operation: 55*52=2860, Resulting Numbers: [2860] 2860,56 unequal: No Solution Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,56 unequal: No Solution Exploring Operation: 55+52=107, Resulting Numbers: [107] 107,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 56:[49, 58], Operations: ['71-16=55', '3+55=58'] Exploring Operation: 49+58=107, Resulting Numbers: [107] 107,56 unequal: No Solution Exploring Operation: 58-49=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 49*58=2842, Resulting Numbers: [2842] 2842,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 56:[49, 52], Operations: ['71-16=55', '55-3=52'] Exploring Operation: 49*52=2548, Resulting Numbers: [2548] 2548,56 unequal: No Solution Exploring Operation: 49+52=101, Resulting Numbers: [101] 101,56 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 56:[55, 46], Operations: ['71-16=55', '49-3=46'] Exploring Operation: 55+46=101, Resulting Numbers: [101] 101,56 unequal: No Solution Exploring Operation: 55*46=2530, Resulting Numbers: [2530] 2530,56 unequal: No Solution Exploring Operation: 55-46=9, Resulting Numbers: [9] 9,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 56:[3, 16, 22], Operations: ['71-49=22'] Exploring Operation: 16-3=13, Resulting Numbers: [22, 13] Generated Node #0,4,0: 56:[22, 13] Operation: 16-3=13 Exploring Operation: 3+22=25, Resulting Numbers: [16, 25] Generated Node #0,4,1: 56:[16, 25] Operation: 3+22=25 Exploring Operation: 22-3=19, Resulting Numbers: [16, 19] Generated Node #0,4,2: 56:[16, 19] Operation: 22-3=19 Exploring Operation: 22-16=6, Resulting Numbers: [3, 6] Generated Node #0,4,3: 56:[3, 6] Operation: 22-16=6 Exploring Operation: 3+16=19, Resulting Numbers: [22, 19] Generated Node #0,4,4: 56:[22, 19] Operation: 3+16=19 Moving to Node #0,0 Current State: 56:[71, 16, 52], Operations: ['3+49=52'] Exploring Operation: 16+52=68, Resulting Numbers: [71, 68] Generated Node #0,0,0: 56:[71, 68] Operation: 16+52=68 Exploring Operation: 71-16=55, Resulting Numbers: [52, 55] Generated Node #0,0,1: 56:[52, 55] Operation: 71-16=55 Exploring Operation: 71-52=19, Resulting Numbers: [16, 19] Generated Node #0,0,2: 56:[16, 19] Operation: 71-52=19 Exploring Operation: 71+16=87, Resulting Numbers: [52, 87] Generated Node #0,0,3: 56:[52, 87] Operation: 71+16=87 Exploring Operation: 52-16=36, Resulting Numbers: [71, 36] Generated Node #0,0,4: 56:[71, 36] Operation: 52-16=36 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[52, 55], Operations: ['3+49=52', '71-16=55'] Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,56 unequal: No Solution Exploring Operation: 52*55=2860, Resulting Numbers: [2860] 2860,56 unequal: No Solution Exploring Operation: 52+55=107, Resulting Numbers: [107] 107,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 56:[16, 19], Operations: ['3+49=52', '71-52=19'] Exploring Operation: 16*19=304, Resulting Numbers: [304] 304,56 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,56 unequal: No Solution Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 56:[71, 36], Operations: ['3+49=52', '52-16=36'] Exploring Operation: 71+36=107, Resulting Numbers: [107] 107,56 unequal: No Solution Exploring Operation: 71*36=2556, Resulting Numbers: [2556] 2556,56 unequal: No Solution Exploring Operation: 71-36=35, Resulting Numbers: [35] 35,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[71, 68], Operations: ['3+49=52', '16+52=68'] Exploring Operation: 71*68=4828, Resulting Numbers: [4828] 4828,56 unequal: No Solution Exploring Operation: 71+68=139, Resulting Numbers: [139] 139,56 unequal: No Solution Exploring Operation: 71-68=3, Resulting Numbers: [3] 3,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 56:[52, 87], Operations: ['3+49=52', '71+16=87'] Exploring Operation: 52+87=139, Resulting Numbers: [139] 139,56 unequal: No Solution Exploring Operation: 87-52=35, Resulting Numbers: [35] 35,56 unequal: No Solution Exploring Operation: 52*87=4524, Resulting Numbers: [4524] 4524,56 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: 56:[3, 71, 33], Operations: ['49-16=33'] Exploring Operation: 3+71=74, Resulting Numbers: [33, 74] Generated Node #0,1,0: 56:[33, 74] Operation: 3+71=74 Exploring Operation: 33/3=11, Resulting Numbers: [71, 11] Generated Node #0,1,1: 56:[71, 11] Operation: 33/3=11 Exploring Operation: 33-3=30, Resulting Numbers: [71, 30] Generated Node #0,1,2: 56:[71, 30] Operation: 33-3=30 Exploring Operation: 71-33=38, Resulting Numbers: [3, 38] Generated Node #0,1,3: 56:[3, 38] Operation: 71-33=38 Exploring Operation: 71-3=68, Resulting Numbers: [33, 68] Generated Node #0,1,4: 56:[33, 68] Operation: 71-3=68 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 56:[3, 38], Operations: ['49-16=33', '71-33=38'] Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,56 unequal: No Solution Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,56 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 56:[71, 30], Operations: ['49-16=33', '33-3=30'] Exploring Operation: 71*30=2130, Resulting Numbers: [2130] 2130,56 unequal: No Solution Exploring Operation: 71+30=101, Resulting Numbers: [101] 101,56 unequal: No Solution Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 56:[33, 68], Operations: ['49-16=33', '71-3=68'] Exploring Operation: 33*68=2244, Resulting Numbers: [2244] 2244,56 unequal: No Solution Exploring Operation: 68-33=35, Resulting Numbers: [35] 35,56 unequal: No Solution Exploring Operation: 33+68=101, Resulting Numbers: [101] 101,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[71, 11], Operations: ['49-16=33', '33/3=11'] Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,56 unequal: No Solution Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,56 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[33, 74], Operations: ['49-16=33', '3+71=74'] Exploring Operation: 33*74=2442, Resulting Numbers: [2442] 2442,56 unequal: No Solution Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,56 unequal: No Solution Exploring Operation: 33+74=107, Resulting Numbers: [107] 107,56 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: 56:[49, 16, 68], Operations: ['71-3=68'] Exploring Operation: 16+68=84, Resulting Numbers: [49, 84] Generated Node #0,3,0: 56:[49, 84] Operation: 16+68=84 Exploring Operation: 68-16=52, Resulting Numbers: [49, 52] Generated Node #0,3,1: 56:[49, 52] Operation: 68-16=52 Exploring Operation: 49-16=33, Resulting Numbers: [68, 33] Generated Node #0,3,2: 56:[68, 33] Operation: 49-16=33 Exploring Operation: 68-49=19, Resulting Numbers: [16, 19] Generated Node #0,3,3: 56:[16, 19] Operation: 68-49=19 Exploring Operation: 49+16=65, Resulting Numbers: [68, 65] Generated Node #0,3,4: 56:[68, 65] Operation: 49+16=65 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 56:[16, 19], Operations: ['71-3=68', '68-49=19'] Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,56 unequal: No Solution Exploring Operation: 16*19=304, Resulting Numbers: [304] 304,56 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 56:[49, 52], Operations: ['71-3=68', '68-16=52'] Exploring Operation: 49*52=2548, Resulting Numbers: [2548] 2548,56 unequal: No Solution Exploring Operation: 49+52=101, Resulting Numbers: [101] 101,56 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 56:[68, 33], Operations: ['71-3=68', '49-16=33'] Exploring Operation: 68+33=101, Resulting Numbers: [101] 101,56 unequal: No Solution Exploring Operation: 68-33=35, Resulting Numbers: [35] 35,56 unequal: No Solution Exploring Operation: 68*33=2244, Resulting Numbers: [2244] 2244,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 56:[68, 65], Operations: ['71-3=68', '49+16=65'] Exploring Operation: 68-65=3, Resulting Numbers: [3] 3,56 unequal: No Solution Exploring Operation: 68+65=133, Resulting Numbers: [133] 133,56 unequal: No Solution Exploring Operation: 68*65=4420, Resulting Numbers: [4420] 4420,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 56:[49, 84], Operations: ['71-3=68', '16+68=84'] Exploring Operation: 84-49=35, Resulting Numbers: [35] 35,56 unequal: No Solution Exploring Operation: 49*84=4116, Resulting Numbers: [4116] 4116,56 unequal: No Solution Exploring Operation: 49+84=133, Resulting Numbers: [133] 133,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,3 Current State: 56:[3, 6], Operations: ['71-49=22', '22-16=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,56 unequal: No Solution Moving to Node #0,4,1 Current State: 56:[16, 25], Operations: ['71-49=22', '3+22=25'] Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 16*25=400, Resulting Numbers: [400] 400,56 unequal: No Solution Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,56 unequal: No Solution Moving to Node #0,4,0 Current State: 56:[22, 13], Operations: ['71-49=22', '16-3=13'] Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,56 unequal: No Solution Exploring Operation: 22*13=286, Resulting Numbers: [286] 286,56 unequal: No Solution Moving to Node #0,4,2 Current State: 56:[16, 19], Operations: ['71-49=22', '22-3=19'] Exploring Operation: 16*19=304, Resulting Numbers: [304] 304,56 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,56 unequal: No Solution Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,56 unequal: No Solution Moving to Node #0,4,4 Current State: 56:[22, 19], Operations: ['71-49=22', '3+16=19'] Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,56 unequal: No Solution Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,56 unequal: No Solution Exploring Operation: 22*19=418, Resulting Numbers: [418] 418,56 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 82, 18, 73, 45 ]
23
[ "82-73=9", "45/9=5", "18+5=23" ]
Current State: 23:[82, 18, 73, 45], Operations: [] Exploring Operation: 82-73=9, Resulting Numbers: [18, 45, 9] Generated Node #2: [18, 45, 9] from Operation: 82-73=9 Current State: 23:[18, 45, 9], Operations: ['82-73=9'] Exploring Operation: 45/9=5, Resulting Numbers: [18, 5] Generated Node #3: [18, 5] from Operation: 45/9=5 Current State: 23:[18, 5], Operations: ['82-73=9', '45/9=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[82, 18, 73, 45], Operations: [] Exploring Operation: 82-45=37, Resulting Numbers: [18, 73, 37] Generated Node #0,0: 23:[18, 73, 37] Operation: 82-45=37 Exploring Operation: 82-73=9, Resulting Numbers: [18, 45, 9] Generated Node #0,1: 23:[18, 45, 9] Operation: 82-73=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[18, 45, 9], Operations: ['82-73=9'] Exploring Operation: 45-18=27, Resulting Numbers: [9, 27] Generated Node #0,1,0: 23:[9, 27] Operation: 45-18=27 Exploring Operation: 45-9=36, Resulting Numbers: [18, 36] Generated Node #0,1,1: 23:[18, 36] Operation: 45-9=36 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[9, 27], Operations: ['82-73=9', '45-18=27'] Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[18, 36], Operations: ['82-73=9', '45-9=36'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[18, 73, 37], Operations: ['82-45=37'] Exploring Operation: 73-18=55, Resulting Numbers: [37, 55] Generated Node #0,0,0: 23:[37, 55] Operation: 73-18=55 Exploring Operation: 73-37=36, Resulting Numbers: [18, 36] Generated Node #0,0,1: 23:[18, 36] Operation: 73-37=36 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[18, 36], Operations: ['82-45=37', '73-37=36'] Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[37, 55], Operations: ['82-45=37', '73-18=55'] Exploring Operation: 37+55=92, Resulting Numbers: [92] 92,23 unequal: No Solution Exploring Operation: 55-37=18, Resulting Numbers: [18] 18,23 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_2
mult_heuristic
[ 19, 65, 75, 72 ]
58
[ "72-65=7", "19*7=133", "133-75=58" ]
Current State: 58:[19, 65, 75, 72], Operations: [] Exploring Operation: 72-65=7, Resulting Numbers: [19, 75, 7] Generated Node #2: [19, 75, 7] from Operation: 72-65=7 Current State: 58:[19, 75, 7], Operations: ['72-65=7'] Exploring Operation: 19*7=133, Resulting Numbers: [75, 133] Generated Node #3: [75, 133] from Operation: 19*7=133 Current State: 58:[75, 133], Operations: ['72-65=7', '19*7=133'] Exploring Operation: 133-75=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[19, 65, 75, 72], Operations: [] Exploring Operation: 75-72=3, Resulting Numbers: [19, 65, 3] Generated Node #0,0: 58:[19, 65, 3] Operation: 75-72=3 Exploring Operation: 72-65=7, Resulting Numbers: [19, 75, 7] Generated Node #0,1: 58:[19, 75, 7] Operation: 72-65=7 Exploring Operation: 75-65=10, Resulting Numbers: [19, 72, 10] Generated Node #0,2: 58:[19, 72, 10] Operation: 75-65=10 Exploring Operation: 75-19=56, Resulting Numbers: [65, 72, 56] Generated Node #0,3: 58:[65, 72, 56] Operation: 75-19=56 Exploring Operation: 72-19=53, Resulting Numbers: [65, 75, 53] Generated Node #0,4: 58:[65, 75, 53] Operation: 72-19=53 Moving to Node #0,0 Current State: 58:[19, 65, 3], Operations: ['75-72=3'] Exploring Operation: 65-19=46, Resulting Numbers: [3, 46] Generated Node #0,0,0: 58:[3, 46] Operation: 65-19=46 Exploring Operation: 19*3=57, Resulting Numbers: [65, 57] Generated Node #0,0,1: 58:[65, 57] Operation: 19*3=57 Exploring Operation: 65-3=62, Resulting Numbers: [19, 62] Generated Node #0,0,2: 58:[19, 62] Operation: 65-3=62 Exploring Operation: 19+3=22, Resulting Numbers: [65, 22] Generated Node #0,0,3: 58:[65, 22] Operation: 19+3=22 Exploring Operation: 19-3=16, Resulting Numbers: [65, 16] Generated Node #0,0,4: 58:[65, 16] Operation: 19-3=16 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[65, 57], Operations: ['75-72=3', '19*3=57'] Exploring Operation: 65-57=8, Resulting Numbers: [8] 8,58 unequal: No Solution Exploring Operation: 65*57=3705, Resulting Numbers: [3705] 3705,58 unequal: No Solution Exploring Operation: 65+57=122, Resulting Numbers: [122] 122,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[3, 46], Operations: ['75-72=3', '65-19=46'] Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,58 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[19, 62], Operations: ['75-72=3', '65-3=62'] Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 19*62=1178, Resulting Numbers: [1178] 1178,58 unequal: No Solution Exploring Operation: 19+62=81, Resulting Numbers: [81] 81,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 58:[65, 22], Operations: ['75-72=3', '19+3=22'] Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,58 unequal: No Solution Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 65*22=1430, Resulting Numbers: [1430] 1430,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 58:[65, 16], Operations: ['75-72=3', '19-3=16'] Exploring Operation: 65+16=81, Resulting Numbers: [81] 81,58 unequal: No Solution Exploring Operation: 65*16=1040, Resulting Numbers: [1040] 1040,58 unequal: No Solution Exploring Operation: 65-16=49, Resulting Numbers: [49] 49,58 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: 58:[65, 72, 56], Operations: ['75-19=56'] Exploring Operation: 72-65=7, Resulting Numbers: [56, 7] Generated Node #0,3,0: 58:[56, 7] Operation: 72-65=7 Exploring Operation: 65-56=9, Resulting Numbers: [72, 9] Generated Node #0,3,1: 58:[72, 9] Operation: 65-56=9 Exploring Operation: 72+56=128, Resulting Numbers: [65, 128] Generated Node #0,3,2: 58:[65, 128] Operation: 72+56=128 Exploring Operation: 72-56=16, Resulting Numbers: [65, 16] Generated Node #0,3,3: 58:[65, 16] Operation: 72-56=16 Exploring Operation: 65+56=121, Resulting Numbers: [72, 121] Generated Node #0,3,4: 58:[72, 121] Operation: 65+56=121 Moving to Node #0,4 Current State: 58:[65, 75, 53], Operations: ['72-19=53'] Exploring Operation: 75-65=10, Resulting Numbers: [53, 10] Generated Node #0,4,0: 58:[53, 10] Operation: 75-65=10 Exploring Operation: 75+53=128, Resulting Numbers: [65, 128] Generated Node #0,4,1: 58:[65, 128] Operation: 75+53=128 Exploring Operation: 65-53=12, Resulting Numbers: [75, 12] Generated Node #0,4,2: 58:[75, 12] Operation: 65-53=12 Exploring Operation: 75-53=22, Resulting Numbers: [65, 22] Generated Node #0,4,3: 58:[65, 22] Operation: 75-53=22 Exploring Operation: 65+53=118, Resulting Numbers: [75, 118] Generated Node #0,4,4: 58:[75, 118] Operation: 65+53=118 Moving to Node #0,1 Current State: 58:[19, 75, 7], Operations: ['72-65=7'] Exploring Operation: 19-7=12, Resulting Numbers: [75, 12] Generated Node #0,1,0: 58:[75, 12] Operation: 19-7=12 Exploring Operation: 19+7=26, Resulting Numbers: [75, 26] Generated Node #0,1,1: 58:[75, 26] Operation: 19+7=26 Exploring Operation: 75-7=68, Resulting Numbers: [19, 68] Generated Node #0,1,2: 58:[19, 68] Operation: 75-7=68 Exploring Operation: 75+7=82, Resulting Numbers: [19, 82] Generated Node #0,1,3: 58:[19, 82] Operation: 75+7=82 Exploring Operation: 75-19=56, Resulting Numbers: [7, 56] Generated Node #0,1,4: 58:[7, 56] Operation: 75-19=56 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 58:[7, 56], Operations: ['72-65=7', '75-19=56'] Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,58 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,58 unequal: No Solution Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 7*56=392, Resulting Numbers: [392] 392,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[75, 26], Operations: ['72-65=7', '19+7=26'] Exploring Operation: 75+26=101, Resulting Numbers: [101] 101,58 unequal: No Solution Exploring Operation: 75*26=1950, Resulting Numbers: [1950] 1950,58 unequal: No Solution Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[19, 68], Operations: ['72-65=7', '75-7=68'] Exploring Operation: 19*68=1292, Resulting Numbers: [1292] 1292,58 unequal: No Solution Exploring Operation: 19+68=87, Resulting Numbers: [87] 87,58 unequal: No Solution Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[75, 12], Operations: ['72-65=7', '19-7=12'] Exploring Operation: 75+12=87, Resulting Numbers: [87] 87,58 unequal: No Solution Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 75*12=900, Resulting Numbers: [900] 900,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 58:[19, 82], Operations: ['72-65=7', '75+7=82'] Exploring Operation: 19*82=1558, Resulting Numbers: [1558] 1558,58 unequal: No Solution Exploring Operation: 82-19=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 19+82=101, Resulting Numbers: [101] 101,58 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: 58:[19, 72, 10], Operations: ['75-65=10'] Exploring Operation: 19-10=9, Resulting Numbers: [72, 9] Generated Node #0,2,0: 58:[72, 9] Operation: 19-10=9 Exploring Operation: 72+10=82, Resulting Numbers: [19, 82] Generated Node #0,2,1: 58:[19, 82] Operation: 72+10=82 Exploring Operation: 72-10=62, Resulting Numbers: [19, 62] Generated Node #0,2,2: 58:[19, 62] Operation: 72-10=62 Exploring Operation: 19+10=29, Resulting Numbers: [72, 29] Generated Node #0,2,3: 58:[72, 29] Operation: 19+10=29 Exploring Operation: 72-19=53, Resulting Numbers: [10, 53] Generated Node #0,2,4: 58:[10, 53] Operation: 72-19=53 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 58:[10, 53], Operations: ['75-65=10', '72-19=53'] Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,58 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 58:[19, 62], Operations: ['75-65=10', '72-10=62'] Exploring Operation: 19+62=81, Resulting Numbers: [81] 81,58 unequal: No Solution Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 19*62=1178, Resulting Numbers: [1178] 1178,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 58:[72, 29], Operations: ['75-65=10', '19+10=29'] Exploring Operation: 72-29=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 72*29=2088, Resulting Numbers: [2088] 2088,58 unequal: No Solution Exploring Operation: 72+29=101, Resulting Numbers: [101] 101,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[72, 9], Operations: ['75-65=10', '19-10=9'] Exploring Operation: 72*9=648, Resulting Numbers: [648] 648,58 unequal: No Solution Exploring Operation: 72+9=81, Resulting Numbers: [81] 81,58 unequal: No Solution Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,58 unequal: No Solution Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 58:[19, 82], Operations: ['75-65=10', '72+10=82'] Exploring Operation: 82-19=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 19*82=1558, Resulting Numbers: [1558] 1558,58 unequal: No Solution Exploring Operation: 19+82=101, Resulting Numbers: [101] 101,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 58:[56, 7], Operations: ['75-19=56', '72-65=7'] Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,58 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,58 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,58 unequal: No Solution Moving to Node #0,4,0 Current State: 58:[53, 10], Operations: ['72-19=53', '75-65=10'] Exploring Operation: 53+10=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 53*10=530, Resulting Numbers: [530] 530,58 unequal: No Solution Moving to Node #0,4,3 Current State: 58:[65, 22], Operations: ['72-19=53', '75-53=22'] Exploring Operation: 65*22=1430, Resulting Numbers: [1430] 1430,58 unequal: No Solution Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[65, 16], Operations: ['75-19=56', '72-56=16'] Exploring Operation: 65-16=49, Resulting Numbers: [49] 49,58 unequal: No Solution Exploring Operation: 65*16=1040, Resulting Numbers: [1040] 1040,58 unequal: No Solution Exploring Operation: 65+16=81, Resulting Numbers: [81] 81,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[72, 9], Operations: ['75-19=56', '65-56=9'] Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,58 unequal: No Solution Exploring Operation: 72+9=81, Resulting Numbers: [81] 81,58 unequal: No Solution Exploring Operation: 72*9=648, Resulting Numbers: [648] 648,58 unequal: No Solution Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,58 unequal: No Solution Moving to Node #0,4,2 Current State: 58:[75, 12], Operations: ['72-19=53', '65-53=12'] Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 75*12=900, Resulting Numbers: [900] 900,58 unequal: No Solution Exploring Operation: 75+12=87, Resulting Numbers: [87] 87,58 unequal: No Solution Moving to Node #0,4,1 Current State: 58:[65, 128], Operations: ['72-19=53', '75+53=128'] Exploring Operation: 65*128=8320, Resulting Numbers: [8320] 8320,58 unequal: No Solution Exploring Operation: 65+128=193, Resulting Numbers: [193] 193,58 unequal: No Solution Exploring Operation: 128-65=63, Resulting Numbers: [63] 63,58 unequal: No Solution Moving to Node #0,4,4 Current State: 58:[75, 118], Operations: ['72-19=53', '65+53=118'] Exploring Operation: 75+118=193, Resulting Numbers: [193] 193,58 unequal: No Solution Exploring Operation: 118-75=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 75*118=8850, Resulting Numbers: [8850] 8850,58 unequal: No Solution Moving to Node #0,3,4 Current State: 58:[72, 121], Operations: ['75-19=56', '65+56=121'] Exploring Operation: 121-72=49, Resulting Numbers: [49] 49,58 unequal: No Solution Exploring Operation: 72+121=193, Resulting Numbers: [193] 193,58 unequal: No Solution Exploring Operation: 72*121=8712, Resulting Numbers: [8712] 8712,58 unequal: No Solution Moving to Node #0,3,2 Current State: 58:[65, 128], Operations: ['75-19=56', '72+56=128'] Exploring Operation: 65*128=8320, Resulting Numbers: [8320] 8320,58 unequal: No Solution Exploring Operation: 128-65=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 65+128=193, Resulting Numbers: [193] 193,58 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 33, 5, 43, 30 ]
80
[ "43-33=10", "5*10=50", "30+50=80" ]
Current State: 80:[33, 5, 43, 30], Operations: [] Exploring Operation: 43-33=10, Resulting Numbers: [5, 30, 10] Generated Node #2: [5, 30, 10] from Operation: 43-33=10 Current State: 80:[5, 30, 10], Operations: ['43-33=10'] Exploring Operation: 5*10=50, Resulting Numbers: [30, 50] Generated Node #3: [30, 50] from Operation: 5*10=50 Current State: 80:[30, 50], Operations: ['43-33=10', '5*10=50'] Exploring Operation: 30+50=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[33, 5, 43, 30], Operations: [] Exploring Operation: 33-30=3, Resulting Numbers: [5, 43, 3] Generated Node #0,0: 80:[5, 43, 3] Operation: 33-30=3 Exploring Operation: 43-30=13, Resulting Numbers: [33, 5, 13] Generated Node #0,1: 80:[33, 5, 13] Operation: 43-30=13 Exploring Operation: 33+43=76, Resulting Numbers: [5, 30, 76] Generated Node #0,2: 80:[5, 30, 76] Operation: 33+43=76 Exploring Operation: 43-33=10, Resulting Numbers: [5, 30, 10] Generated Node #0,3: 80:[5, 30, 10] Operation: 43-33=10 Exploring Operation: 30/5=6, Resulting Numbers: [33, 43, 6] Generated Node #0,4: 80:[33, 43, 6] Operation: 30/5=6 Moving to Node #0,0 Current State: 80:[5, 43, 3], Operations: ['33-30=3'] Exploring Operation: 43-3=40, Resulting Numbers: [5, 40] Generated Node #0,0,0: 80:[5, 40] Operation: 43-3=40 Exploring Operation: 43-5=38, Resulting Numbers: [3, 38] Generated Node #0,0,1: 80:[3, 38] Operation: 43-5=38 Exploring Operation: 5-3=2, Resulting Numbers: [43, 2] Generated Node #0,0,2: 80:[43, 2] Operation: 5-3=2 Exploring Operation: 5+3=8, Resulting Numbers: [43, 8] Generated Node #0,0,3: 80:[43, 8] Operation: 5+3=8 Exploring Operation: 5*3=15, Resulting Numbers: [43, 15] Generated Node #0,0,4: 80:[43, 15] Operation: 5*3=15 Moving to Node #0,3 Current State: 80:[5, 30, 10], Operations: ['43-33=10'] Exploring Operation: 30+10=40, Resulting Numbers: [5, 40] Generated Node #0,3,0: 80:[5, 40] Operation: 30+10=40 Exploring Operation: 30/10=3, Resulting Numbers: [5, 3] Generated Node #0,3,1: 80:[5, 3] Operation: 30/10=3 Exploring Operation: 30-10=20, Resulting Numbers: [5, 20] Generated Node #0,3,2: 80:[5, 20] Operation: 30-10=20 Exploring Operation: 30/5=6, Resulting Numbers: [10, 6] Generated Node #0,3,3: 80:[10, 6] Operation: 30/5=6 Exploring Operation: 5+30=35, Resulting Numbers: [10, 35] Generated Node #0,3,4: 80:[10, 35] Operation: 5+30=35 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 80:[5, 40], Operations: ['43-33=10', '30+10=40'] Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,80 unequal: No Solution Exploring Operation: 5*40=200, Resulting Numbers: [200] 200,80 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,80 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:[5, 20], Operations: ['43-33=10', '30-10=20'] Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,80 unequal: No Solution Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,80 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,80 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:[5, 3], Operations: ['43-33=10', '30/10=3'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,80 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:[10, 6], Operations: ['43-33=10', '30/5=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,80 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 #0,3,4 Current State: 80:[10, 35], Operations: ['43-33=10', '5+30=35'] Exploring Operation: 10*35=350, Resulting Numbers: [350] 350,80 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,80 unequal: No Solution Exploring Operation: 10+35=45, Resulting Numbers: [45] 45,80 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:[33, 5, 13], Operations: ['43-30=13'] Exploring Operation: 5+13=18, Resulting Numbers: [33, 18] Generated Node #0,1,0: 80:[33, 18] Operation: 5+13=18 Exploring Operation: 33-13=20, Resulting Numbers: [5, 20] Generated Node #0,1,1: 80:[5, 20] Operation: 33-13=20 Exploring Operation: 13-5=8, Resulting Numbers: [33, 8] Generated Node #0,1,2: 80:[33, 8] Operation: 13-5=8 Exploring Operation: 33+13=46, Resulting Numbers: [5, 46] Generated Node #0,1,3: 80:[5, 46] Operation: 33+13=46 Exploring Operation: 33+5=38, Resulting Numbers: [13, 38] Generated Node #0,1,4: 80:[13, 38] Operation: 33+5=38 Moving to Node #0,4 Current State: 80:[33, 43, 6], Operations: ['30/5=6'] Exploring Operation: 43-33=10, Resulting Numbers: [6, 10] Generated Node #0,4,0: 80:[6, 10] Operation: 43-33=10 Exploring Operation: 43-6=37, Resulting Numbers: [33, 37] Generated Node #0,4,1: 80:[33, 37] Operation: 43-6=37 Exploring Operation: 33+43=76, Resulting Numbers: [6, 76] Generated Node #0,4,2: 80:[6, 76] Operation: 33+43=76 Exploring Operation: 33-6=27, Resulting Numbers: [43, 27] Generated Node #0,4,3: 80:[43, 27] Operation: 33-6=27 Exploring Operation: 33+6=39, Resulting Numbers: [43, 39] Generated Node #0,4,4: 80:[43, 39] Operation: 33+6=39 Moving to Node #0,2 Current State: 80:[5, 30, 76], Operations: ['33+43=76'] Exploring Operation: 5+30=35, Resulting Numbers: [76, 35] Generated Node #0,2,0: 80:[76, 35] Operation: 5+30=35 Exploring Operation: 30-5=25, Resulting Numbers: [76, 25] Generated Node #0,2,1: 80:[76, 25] Operation: 30-5=25 Exploring Operation: 30/5=6, Resulting Numbers: [76, 6] Generated Node #0,2,2: 80:[76, 6] Operation: 30/5=6 Exploring Operation: 5+76=81, Resulting Numbers: [30, 81] Generated Node #0,2,3: 80:[30, 81] Operation: 5+76=81 Exploring Operation: 76-30=46, Resulting Numbers: [5, 46] Generated Node #0,2,4: 80:[5, 46] Operation: 76-30=46 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 80:[76, 6], Operations: ['33+43=76', '30/5=6'] Exploring Operation: 76*6=456, Resulting Numbers: [456] 456,80 unequal: No Solution Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,80 unequal: No Solution Exploring Operation: 76+6=82, Resulting Numbers: [82] 82,80 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 #0,2,4 Current State: 80:[5, 46], Operations: ['33+43=76', '76-30=46'] Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,80 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,80 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 #0,2,0 Current State: 80:[76, 35], Operations: ['33+43=76', '5+30=35'] Exploring Operation: 76*35=2660, Resulting Numbers: [2660] 2660,80 unequal: No Solution Exploring Operation: 76+35=111, Resulting Numbers: [111] 111,80 unequal: No Solution Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,80 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 #0,2,1 Current State: 80:[76, 25], Operations: ['33+43=76', '30-5=25'] Exploring Operation: 76-25=51, Resulting Numbers: [51] 51,80 unequal: No Solution Exploring Operation: 76+25=101, Resulting Numbers: [101] 101,80 unequal: No Solution Exploring Operation: 76*25=1900, Resulting Numbers: [1900] 1900,80 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 #0,2,3 Current State: 80:[30, 81], Operations: ['33+43=76', '5+76=81'] Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,80 unequal: No Solution Exploring Operation: 30+81=111, Resulting Numbers: [111] 111,80 unequal: No Solution Exploring Operation: 30*81=2430, Resulting Numbers: [2430] 2430,80 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: 80:[5, 40], Operations: ['33-30=3', '43-3=40'] Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 5*40=200, Resulting Numbers: [200] 200,80 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,80 unequal: No Solution Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[5, 20], Operations: ['43-30=13', '33-13=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,80 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,80 unequal: No Solution Moving to Node #0,4,0 Current State: 80:[6, 10], Operations: ['30/5=6', '43-33=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,80 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,80 unequal: No Solution Moving to Node #0,0,2 Current State: 80:[43, 2], Operations: ['33-30=3', '5-3=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,80 unequal: No Solution Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,80 unequal: No Solution Moving to Node #0,0,1 Current State: 80:[3, 38], Operations: ['33-30=3', '43-5=38'] Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,80 unequal: No Solution Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,80 unequal: No Solution Moving to Node #0,0,3 Current State: 80:[43, 8], Operations: ['33-30=3', '5+3=8'] Exploring Operation: 43*8=344, Resulting Numbers: [344] 344,80 unequal: No Solution Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,80 unequal: No Solution Exploring Operation: 43+8=51, Resulting Numbers: [51] 51,80 unequal: No Solution Moving to Node #0,4,4 Current State: 80:[43, 39], Operations: ['30/5=6', '33+6=39'] Exploring Operation: 43*39=1677, Resulting Numbers: [1677] 1677,80 unequal: No Solution Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 43+39=82, Resulting Numbers: [82] 82,80 unequal: No Solution Moving to Node #0,0,4 Current State: 80:[43, 15], Operations: ['33-30=3', '5*3=15'] Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,80 unequal: No Solution Exploring Operation: 43+15=58, Resulting Numbers: [58] 58,80 unequal: No Solution Exploring Operation: 43*15=645, Resulting Numbers: [645] 645,80 unequal: No Solution Moving to Node #0,1,4 Current State: 80:[13, 38], Operations: ['43-30=13', '33+5=38'] Exploring Operation: 13*38=494, Resulting Numbers: [494] 494,80 unequal: No Solution Exploring Operation: 13+38=51, Resulting Numbers: [51] 51,80 unequal: No Solution Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,80 unequal: No Solution Moving to Node #0,4,2 Current State: 80:[6, 76], Operations: ['30/5=6', '33+43=76'] Exploring Operation: 6*76=456, Resulting Numbers: [456] 456,80 unequal: No Solution Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,80 unequal: No Solution Exploring Operation: 6+76=82, Resulting Numbers: [82] 82,80 unequal: No Solution Moving to Node #0,1,3 Current State: 80:[5, 46], Operations: ['43-30=13', '33+13=46'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,80 unequal: No Solution Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[33, 8], Operations: ['43-30=13', '13-5=8'] Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,80 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[33, 18], Operations: ['43-30=13', '5+13=18'] Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 33+18=51, Resulting Numbers: [51] 51,80 unequal: No Solution Exploring Operation: 33*18=594, Resulting Numbers: [594] 594,80 unequal: No Solution Moving to Node #0,4,1 Current State: 80:[33, 37], Operations: ['30/5=6', '43-6=37'] Exploring Operation: 33+37=70, Resulting Numbers: [70] 70,80 unequal: No Solution Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 33*37=1221, Resulting Numbers: [1221] 1221,80 unequal: No Solution Moving to Node #0,4,3 Current State: 80:[43, 27], Operations: ['30/5=6', '33-6=27'] Exploring Operation: 43+27=70, Resulting Numbers: [70] 70,80 unequal: No Solution Exploring Operation: 43*27=1161, Resulting Numbers: [1161] 1161,80 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,80 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 60, 56, 57, 91 ]
32
[ "60+56=116", "57+91=148", "148-116=32" ]
Current State: 32:[60, 56, 57, 91], Operations: [] Exploring Operation: 60+56=116, Resulting Numbers: [57, 91, 116] Generated Node #2: [57, 91, 116] from Operation: 60+56=116 Current State: 32:[57, 91, 116], Operations: ['60+56=116'] Exploring Operation: 57+91=148, Resulting Numbers: [116, 148] Generated Node #3: [116, 148] from Operation: 57+91=148 Current State: 32:[116, 148], Operations: ['60+56=116', '57+91=148'] Exploring Operation: 148-116=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[60, 56, 57, 91], Operations: [] Exploring Operation: 91-60=31, Resulting Numbers: [56, 57, 31] Generated Node #0,0: 32:[56, 57, 31] Operation: 91-60=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[56, 57, 31], Operations: ['91-60=31'] Exploring Operation: 57-56=1, Resulting Numbers: [31, 1] Generated Node #0,0,0: 32:[31, 1] Operation: 57-56=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[31, 1], Operations: ['91-60=31', '57-56=1'] Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[60, 56, 57, 91], Operations: [] Exploring Operation: 91-60=31, Resulting Numbers: [56, 57, 31] Generated Node #0,0: 32:[56, 57, 31] Operation: 91-60=31 Moving to Node #0,0 Current State: 32:[56, 57, 31], Operations: ['91-60=31'] Exploring Operation: 57-56=1, Resulting Numbers: [31, 1] Generated Node #0,0,0: 32:[31, 1] Operation: 57-56=1 Moving to Node #0,0,0 Current State: 32:[31, 1], Operations: ['91-60=31', '57-56=1'] Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 54, 14, 26, 52 ]
33
[ "54-52=2", "14/2=7", "26+7=33" ]
Current State: 33:[54, 14, 26, 52], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [14, 26, 2] Generated Node #2: [14, 26, 2] from Operation: 54-52=2 Current State: 33:[14, 26, 2], Operations: ['54-52=2'] Exploring Operation: 14/2=7, Resulting Numbers: [26, 7] Generated Node #3: [26, 7] from Operation: 14/2=7 Current State: 33:[26, 7], Operations: ['54-52=2', '14/2=7'] Exploring Operation: 26+7=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[54, 14, 26, 52], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [14, 26, 2] Generated Node #0,0: 33:[14, 26, 2] Operation: 54-52=2 Moving to Node #0,0 Current State: 33:[14, 26, 2], Operations: ['54-52=2'] Exploring Operation: 26-14=12, Resulting Numbers: [2, 12] Generated Node #0,0,0: 33:[2, 12] Operation: 26-14=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[2, 12], Operations: ['54-52=2', '26-14=12'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 62, 91, 62, 22 ]
69
[ "62+91=153", "62+22=84", "153-84=69" ]
Current State: 69:[62, 91, 62, 22], Operations: [] Exploring Operation: 62+91=153, Resulting Numbers: [22, 153] Generated Node #2: [22, 153] from Operation: 62+91=153 Current State: 69:[22, 153], Operations: ['62+91=153'] Exploring Operation: 62+22=84, Resulting Numbers: [153, 84] Generated Node #3: [153, 84] from Operation: 62+22=84 Current State: 69:[153, 84], Operations: ['62+91=153', '62+22=84'] Exploring Operation: 153-84=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[62, 91, 62, 22], Operations: [] Exploring Operation: 91-62=29, Resulting Numbers: [62, 22, 29] Generated Node #0,0: 69:[62, 22, 29] Operation: 91-62=29 Exploring Operation: 91-62=29, Resulting Numbers: [62, 22, 29] Generated Node #0,1: 69:[62, 22, 29] Operation: 91-62=29 Moving to Node #0,0 Current State: 69:[62, 22, 29], Operations: ['91-62=29'] Exploring Operation: 29-22=7, Resulting Numbers: [62, 7] Generated Node #0,0,0: 69:[62, 7] Operation: 29-22=7 Exploring Operation: 62-29=33, Resulting Numbers: [22, 33] Generated Node #0,0,1: 69:[22, 33] Operation: 62-29=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[62, 7], Operations: ['91-62=29', '29-22=7'] Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,69 unequal: No Solution Exploring Operation: 62+7=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[62, 91, 62, 22], Operations: [] Exploring Operation: 91-62=29, Resulting Numbers: [62, 22, 29] Generated Node #0,0: 69:[62, 22, 29] Operation: 91-62=29 Moving to Node #0,0 Current State: 69:[62, 22, 29], Operations: ['91-62=29'] Exploring Operation: 29-22=7, Resulting Numbers: [62, 7] Generated Node #0,0,0: 69:[62, 7] Operation: 29-22=7 Moving to Node #0,0,0 Current State: 69:[62, 7], Operations: ['91-62=29', '29-22=7'] Exploring Operation: 62+7=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 78, 83, 13, 89 ]
60
[ "89-78=11", "13*11=143", "143-83=60" ]
Current State: 60:[78, 83, 13, 89], Operations: [] Exploring Operation: 89-78=11, Resulting Numbers: [83, 13, 11] Generated Node #2: [83, 13, 11] from Operation: 89-78=11 Current State: 60:[83, 13, 11], Operations: ['89-78=11'] Exploring Operation: 13*11=143, Resulting Numbers: [83, 143] Generated Node #3: [83, 143] from Operation: 13*11=143 Current State: 60:[83, 143], Operations: ['89-78=11', '13*11=143'] Exploring Operation: 143-83=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[78, 83, 13, 89], Operations: [] Exploring Operation: 89-83=6, Resulting Numbers: [78, 13, 6] Generated Node #0,0: 60:[78, 13, 6] Operation: 89-83=6 Exploring Operation: 89-78=11, Resulting Numbers: [83, 13, 11] Generated Node #0,1: 60:[83, 13, 11] Operation: 89-78=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[78, 13, 6], Operations: ['89-83=6'] Exploring Operation: 78/6=13, Resulting Numbers: [13, 13] Generated Node #0,0,0: 60:[13, 13] Operation: 78/6=13 Exploring Operation: 78/13=6, Resulting Numbers: [6, 6] Generated Node #0,0,1: 60:[6, 6] Operation: 78/13=6 Moving to Node #0,0,1 Current State: 60:[6, 6], Operations: ['89-83=6', '78/13=6'] Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[13, 13], Operations: ['89-83=6', '78/6=13'] Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[83, 13, 11], Operations: ['89-78=11'] Exploring Operation: 83-11=72, Resulting Numbers: [13, 72] Generated Node #0,1,0: 60:[13, 72] Operation: 83-11=72 Exploring Operation: 83-13=70, Resulting Numbers: [11, 70] Generated Node #0,1,1: 60:[11, 70] Operation: 83-13=70 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 60:[11, 70], Operations: ['89-78=11', '83-13=70'] Exploring Operation: 11+70=81, Resulting Numbers: [81] 81,60 unequal: No Solution Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,60 unequal: No Solution No 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: 60:[13, 72], Operations: ['89-78=11', '83-11=72'] Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,60 unequal: No Solution Exploring Operation: 13+72=85, Resulting Numbers: [85] 85,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 9, 71, 62, 19 ]
37
[ "9+71=80", "62-19=43", "80-43=37" ]
Current State: 37:[9, 71, 62, 19], Operations: [] Exploring Operation: 9+71=80, Resulting Numbers: [62, 19, 80] Generated Node #2: [62, 19, 80] from Operation: 9+71=80 Current State: 37:[62, 19, 80], Operations: ['9+71=80'] Exploring Operation: 62-19=43, Resulting Numbers: [80, 43] Generated Node #3: [80, 43] from Operation: 62-19=43 Current State: 37:[80, 43], Operations: ['9+71=80', '62-19=43'] Exploring Operation: 80-43=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[9, 71, 62, 19], Operations: [] Exploring Operation: 71-19=52, Resulting Numbers: [9, 62, 52] Generated Node #0,0: 37:[9, 62, 52] Operation: 71-19=52 Exploring Operation: 62-9=53, Resulting Numbers: [71, 19, 53] Generated Node #0,1: 37:[71, 19, 53] Operation: 62-9=53 Exploring Operation: 9+19=28, Resulting Numbers: [71, 62, 28] Generated Node #0,2: 37:[71, 62, 28] Operation: 9+19=28 Exploring Operation: 71-9=62, Resulting Numbers: [62, 19, 62] Generated Node #0,3: 37:[62, 19, 62] Operation: 71-9=62 Moving to Node #0,0 Current State: 37:[9, 62, 52], Operations: ['71-19=52'] Exploring Operation: 62-9=53, Resulting Numbers: [52, 53] Generated Node #0,0,0: 37:[52, 53] Operation: 62-9=53 Exploring Operation: 9+62=71, Resulting Numbers: [52, 71] Generated Node #0,0,1: 37:[52, 71] Operation: 9+62=71 Exploring Operation: 52-9=43, Resulting Numbers: [62, 43] Generated Node #0,0,2: 37:[62, 43] Operation: 52-9=43 Exploring Operation: 9+52=61, Resulting Numbers: [62, 61] Generated Node #0,0,3: 37:[62, 61] Operation: 9+52=61 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[52, 53], Operations: ['71-19=52', '62-9=53'] Exploring Operation: 52*53=2756, Resulting Numbers: [2756] 2756,37 unequal: No Solution Exploring Operation: 52+53=105, Resulting Numbers: [105] 105,37 unequal: No Solution Exploring Operation: 53-52=1, Resulting Numbers: [1] 1,37 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 #0,0,2 Current State: 37:[62, 43], Operations: ['71-19=52', '52-9=43'] Exploring Operation: 62*43=2666, Resulting Numbers: [2666] 2666,37 unequal: No Solution Exploring Operation: 62+43=105, Resulting Numbers: [105] 105,37 unequal: No Solution Exploring Operation: 62-43=19, Resulting Numbers: [19] 19,37 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 #0,0,1 Current State: 37:[52, 71], Operations: ['71-19=52', '9+62=71'] Exploring Operation: 52*71=3692, Resulting Numbers: [3692] 3692,37 unequal: No Solution Exploring Operation: 52+71=123, Resulting Numbers: [123] 123,37 unequal: No Solution Exploring Operation: 71-52=19, Resulting Numbers: [19] 19,37 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 #0,0,3 Current State: 37:[62, 61], Operations: ['71-19=52', '9+52=61'] Exploring Operation: 62*61=3782, Resulting Numbers: [3782] 3782,37 unequal: No Solution Exploring Operation: 62+61=123, Resulting Numbers: [123] 123,37 unequal: No Solution Exploring Operation: 62-61=1, Resulting Numbers: [1] 1,37 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: 37:[71, 62, 28], Operations: ['9+19=28'] Exploring Operation: 71-28=43, Resulting Numbers: [62, 43] Generated Node #0,2,0: 37:[62, 43] Operation: 71-28=43 Exploring Operation: 62-28=34, Resulting Numbers: [71, 34] Generated Node #0,2,1: 37:[71, 34] Operation: 62-28=34 Exploring Operation: 71-62=9, Resulting Numbers: [28, 9] Generated Node #0,2,2: 37:[28, 9] Operation: 71-62=9 Exploring Operation: 71+28=99, Resulting Numbers: [62, 99] Generated Node #0,2,3: 37:[62, 99] Operation: 71+28=99 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 37:[62, 43], Operations: ['9+19=28', '71-28=43'] Exploring Operation: 62+43=105, Resulting Numbers: [105] 105,37 unequal: No Solution Exploring Operation: 62-43=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 62*43=2666, Resulting Numbers: [2666] 2666,37 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 #0,2,1 Current State: 37:[71, 34], Operations: ['9+19=28', '62-28=34'] Exploring Operation: 71*34=2414, Resulting Numbers: [2414] 2414,37 unequal: No Solution Exploring Operation: 71+34=105, Resulting Numbers: [105] 105,37 unequal: No Solution Exploring Operation: 71-34=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[9, 71, 62, 19], Operations: [] Exploring Operation: 9+19=28, Resulting Numbers: [71, 62, 28] Generated Node #0,2: 37:[71, 62, 28] Operation: 9+19=28 Moving to Node #0,2 Current State: 37:[71, 62, 28], Operations: ['9+19=28'] Exploring Operation: 62-28=34, Resulting Numbers: [71, 34] Generated Node #0,2,1: 37:[71, 34] Operation: 62-28=34 Moving to Node #0,2,1 Current State: 37:[71, 34], Operations: ['9+19=28', '62-28=34'] Exploring Operation: 71-34=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 2, 42, 10, 54 ]
59
[ "54/2=27", "42-10=32", "27+32=59" ]
Current State: 59:[2, 42, 10, 54], Operations: [] Exploring Operation: 54/2=27, Resulting Numbers: [42, 10, 27] Generated Node #2: [42, 10, 27] from Operation: 54/2=27 Current State: 59:[42, 10, 27], Operations: ['54/2=27'] Exploring Operation: 42-10=32, Resulting Numbers: [27, 32] Generated Node #3: [27, 32] from Operation: 42-10=32 Current State: 59:[27, 32], Operations: ['54/2=27', '42-10=32'] Exploring Operation: 27+32=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[2, 42, 10, 54], Operations: [] Exploring Operation: 2*10=20, Resulting Numbers: [42, 54, 20] Generated Node #0,0: 59:[42, 54, 20] Operation: 2*10=20 Exploring Operation: 2+42=44, Resulting Numbers: [10, 54, 44] Generated Node #0,1: 59:[10, 54, 44] Operation: 2+42=44 Exploring Operation: 42+10=52, Resulting Numbers: [2, 54, 52] Generated Node #0,2: 59:[2, 54, 52] Operation: 42+10=52 Exploring Operation: 2+10=12, Resulting Numbers: [42, 54, 12] Generated Node #0,3: 59:[42, 54, 12] Operation: 2+10=12 Exploring Operation: 2+54=56, Resulting Numbers: [42, 10, 56] Generated Node #0,4: 59:[42, 10, 56] Operation: 2+54=56 Moving to Node #0,0 Current State: 59:[42, 54, 20], Operations: ['2*10=20'] Exploring Operation: 42+20=62, Resulting Numbers: [54, 62] Generated Node #0,0,0: 59:[54, 62] Operation: 42+20=62 Exploring Operation: 42-20=22, Resulting Numbers: [54, 22] Generated Node #0,0,1: 59:[54, 22] Operation: 42-20=22 Exploring Operation: 54-20=34, Resulting Numbers: [42, 34] Generated Node #0,0,2: 59:[42, 34] Operation: 54-20=34 Exploring Operation: 54+20=74, Resulting Numbers: [42, 74] Generated Node #0,0,3: 59:[42, 74] Operation: 54+20=74 Exploring Operation: 42+54=96, Resulting Numbers: [20, 96] Generated Node #0,0,4: 59:[20, 96] Operation: 42+54=96 Moving to Node #0,2 Current State: 59:[2, 54, 52], Operations: ['42+10=52'] Exploring Operation: 52/2=26, Resulting Numbers: [54, 26] Generated Node #0,2,0: 59:[54, 26] Operation: 52/2=26 Exploring Operation: 2+52=54, Resulting Numbers: [54, 54] Generated Node #0,2,1: 59:[54, 54] Operation: 2+52=54 Exploring Operation: 54-2=52, Resulting Numbers: [52, 52] Generated Node #0,2,2: 59:[52, 52] Operation: 54-2=52 Exploring Operation: 52-2=50, Resulting Numbers: [54, 50] Generated Node #0,2,3: 59:[54, 50] Operation: 52-2=50 Exploring Operation: 2+54=56, Resulting Numbers: [52, 56] Generated Node #0,2,4: 59:[52, 56] Operation: 2+54=56 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 59:[54, 54], Operations: ['42+10=52', '2+52=54'] Exploring Operation: 54-54=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 54*54=2916, Resulting Numbers: [2916] 2916,59 unequal: No Solution Exploring Operation: 54+54=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 54/54=1, Resulting Numbers: [1] 1,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 59:[52, 56], Operations: ['42+10=52', '2+54=56'] Exploring Operation: 52+56=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 52*56=2912, Resulting Numbers: [2912] 2912,59 unequal: No Solution Exploring Operation: 56-52=4, Resulting Numbers: [4] 4,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 59:[52, 52], Operations: ['42+10=52', '54-2=52'] Exploring Operation: 52/52=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 52*52=2704, Resulting Numbers: [2704] 2704,59 unequal: No Solution Exploring Operation: 52-52=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 52+52=104, Resulting Numbers: [104] 104,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 59:[54, 50], Operations: ['42+10=52', '52-2=50'] Exploring Operation: 54*50=2700, Resulting Numbers: [2700] 2700,59 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,59 unequal: No Solution Exploring Operation: 54+50=104, Resulting Numbers: [104] 104,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 59:[54, 26], Operations: ['42+10=52', '52/2=26'] Exploring Operation: 54*26=1404, Resulting Numbers: [1404] 1404,59 unequal: No Solution Exploring Operation: 54+26=80, Resulting Numbers: [80] 80,59 unequal: No Solution Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,59 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: 59:[42, 10, 56], Operations: ['2+54=56'] Exploring Operation: 56-10=46, Resulting Numbers: [42, 46] Generated Node #0,4,0: 59:[42, 46] Operation: 56-10=46 Exploring Operation: 42-10=32, Resulting Numbers: [56, 32] Generated Node #0,4,1: 59:[56, 32] Operation: 42-10=32 Exploring Operation: 10+56=66, Resulting Numbers: [42, 66] Generated Node #0,4,2: 59:[42, 66] Operation: 10+56=66 Exploring Operation: 42+56=98, Resulting Numbers: [10, 98] Generated Node #0,4,3: 59:[10, 98] Operation: 42+56=98 Exploring Operation: 42+10=52, Resulting Numbers: [56, 52] Generated Node #0,4,4: 59:[56, 52] Operation: 42+10=52 Moving to Node #0,1 Current State: 59:[10, 54, 44], Operations: ['2+42=44'] Exploring Operation: 10+54=64, Resulting Numbers: [44, 64] Generated Node #0,1,0: 59:[44, 64] Operation: 10+54=64 Exploring Operation: 44-10=34, Resulting Numbers: [54, 34] Generated Node #0,1,1: 59:[54, 34] Operation: 44-10=34 Exploring Operation: 54-10=44, Resulting Numbers: [44, 44] Generated Node #0,1,2: 59:[44, 44] Operation: 54-10=44 Exploring Operation: 54+44=98, Resulting Numbers: [10, 98] Generated Node #0,1,3: 59:[10, 98] Operation: 54+44=98 Exploring Operation: 10+44=54, Resulting Numbers: [54, 54] Generated Node #0,1,4: 59:[54, 54] Operation: 10+44=54 Moving to Node #0,3 Current State: 59:[42, 54, 12], Operations: ['2+10=12'] Exploring Operation: 42+12=54, Resulting Numbers: [54, 54] Generated Node #0,3,0: 59:[54, 54] Operation: 42+12=54 Exploring Operation: 54-12=42, Resulting Numbers: [42, 42] Generated Node #0,3,1: 59:[42, 42] Operation: 54-12=42 Exploring Operation: 42-12=30, Resulting Numbers: [54, 30] Generated Node #0,3,2: 59:[54, 30] Operation: 42-12=30 Exploring Operation: 54+12=66, Resulting Numbers: [42, 66] Generated Node #0,3,3: 59:[42, 66] Operation: 54+12=66 Exploring Operation: 42+54=96, Resulting Numbers: [12, 96] Generated Node #0,3,4: 59:[12, 96] Operation: 42+54=96 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 59:[54, 54], Operations: ['2+10=12', '42+12=54'] Exploring Operation: 54+54=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 54-54=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 54/54=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 54*54=2916, Resulting Numbers: [2916] 2916,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 59:[42, 66], Operations: ['2+10=12', '54+12=66'] Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,59 unequal: No Solution Exploring Operation: 42*66=2772, Resulting Numbers: [2772] 2772,59 unequal: No Solution Exploring Operation: 42+66=108, Resulting Numbers: [108] 108,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 59:[42, 42], Operations: ['2+10=12', '54-12=42'] Exploring Operation: 42/42=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 42-42=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 42+42=84, Resulting Numbers: [84] 84,59 unequal: No Solution Exploring Operation: 42*42=1764, Resulting Numbers: [1764] 1764,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 59:[54, 30], Operations: ['2+10=12', '42-12=30'] Exploring Operation: 54*30=1620, Resulting Numbers: [1620] 1620,59 unequal: No Solution Exploring Operation: 54+30=84, Resulting Numbers: [84] 84,59 unequal: No Solution Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 59:[12, 96], Operations: ['2+10=12', '42+54=96'] Exploring Operation: 96/12=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 12+96=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 96-12=84, Resulting Numbers: [84] 84,59 unequal: No Solution Exploring Operation: 12*96=1152, Resulting Numbers: [1152] 1152,59 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: 59:[54, 62], Operations: ['2*10=20', '42+20=62'] Exploring Operation: 54+62=116, Resulting Numbers: [116] 116,59 unequal: No Solution Exploring Operation: 62-54=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 54*62=3348, Resulting Numbers: [3348] 3348,59 unequal: No Solution Moving to Node #0,4,4 Current State: 59:[56, 52], Operations: ['2+54=56', '42+10=52'] Exploring Operation: 56-52=4, Resulting Numbers: [4] 4,59 unequal: No Solution Exploring Operation: 56*52=2912, Resulting Numbers: [2912] 2912,59 unequal: No Solution Exploring Operation: 56+52=108, Resulting Numbers: [108] 108,59 unequal: No Solution Moving to Node #0,1,4 Current State: 59:[54, 54], Operations: ['2+42=44', '10+44=54'] Exploring Operation: 54*54=2916, Resulting Numbers: [2916] 2916,59 unequal: No Solution Exploring Operation: 54+54=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 54-54=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 54/54=1, Resulting Numbers: [1] 1,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[44, 64], Operations: ['2+42=44', '10+54=64'] Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 44*64=2816, Resulting Numbers: [2816] 2816,59 unequal: No Solution Exploring Operation: 44+64=108, Resulting Numbers: [108] 108,59 unequal: No Solution Moving to Node #0,4,2 Current State: 59:[42, 66], Operations: ['2+54=56', '10+56=66'] Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,59 unequal: No Solution Exploring Operation: 42+66=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 42*66=2772, Resulting Numbers: [2772] 2772,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[54, 34], Operations: ['2+42=44', '44-10=34'] Exploring Operation: 54+34=88, Resulting Numbers: [88] 88,59 unequal: No Solution Exploring Operation: 54*34=1836, Resulting Numbers: [1836] 1836,59 unequal: No Solution Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,59 unequal: No Solution Moving to Node #0,4,0 Current State: 59:[42, 46], Operations: ['2+54=56', '56-10=46'] Exploring Operation: 42*46=1932, Resulting Numbers: [1932] 1932,59 unequal: No Solution Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,59 unequal: No Solution Exploring Operation: 42+46=88, Resulting Numbers: [88] 88,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[44, 44], Operations: ['2+42=44', '54-10=44'] Exploring Operation: 44/44=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 44*44=1936, Resulting Numbers: [1936] 1936,59 unequal: No Solution Exploring Operation: 44-44=0, Resulting Numbers: [0] 0,59 unequal: No Solution Exploring Operation: 44+44=88, Resulting Numbers: [88] 88,59 unequal: No Solution Moving to Node #0,4,1 Current State: 59:[56, 32], Operations: ['2+54=56', '42-10=32'] Exploring Operation: 56*32=1792, Resulting Numbers: [1792] 1792,59 unequal: No Solution Exploring Operation: 56+32=88, Resulting Numbers: [88] 88,59 unequal: No Solution Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[42, 74], Operations: ['2*10=20', '54+20=74'] Exploring Operation: 42*74=3108, Resulting Numbers: [3108] 3108,59 unequal: No Solution Exploring Operation: 74-42=32, Resulting Numbers: [32] 32,59 unequal: No Solution Exploring Operation: 42+74=116, Resulting Numbers: [116] 116,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[54, 22], Operations: ['2*10=20', '42-20=22'] Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,59 unequal: No Solution Exploring Operation: 54*22=1188, Resulting Numbers: [1188] 1188,59 unequal: No Solution Exploring Operation: 54+22=76, Resulting Numbers: [76] 76,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[42, 34], Operations: ['2*10=20', '54-20=34'] Exploring Operation: 42-34=8, Resulting Numbers: [8] 8,59 unequal: No Solution Exploring Operation: 42*34=1428, Resulting Numbers: [1428] 1428,59 unequal: No Solution Exploring Operation: 42+34=76, Resulting Numbers: [76] 76,59 unequal: No Solution Moving to Node #0,0,4 Current State: 59:[20, 96], Operations: ['2*10=20', '42+54=96'] Exploring Operation: 96-20=76, Resulting Numbers: [76] 76,59 unequal: No Solution Exploring Operation: 20*96=1920, Resulting Numbers: [1920] 1920,59 unequal: No Solution Exploring Operation: 20+96=116, Resulting Numbers: [116] 116,59 unequal: No Solution Moving to Node #0,1,3 Current State: 59:[10, 98], Operations: ['2+42=44', '54+44=98'] Exploring Operation: 10*98=980, Resulting Numbers: [980] 980,59 unequal: No Solution Exploring Operation: 10+98=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 98-10=88, Resulting Numbers: [88] 88,59 unequal: No Solution Moving to Node #0,4,3 Current State: 59:[10, 98], Operations: ['2+54=56', '42+56=98'] Exploring Operation: 98-10=88, Resulting Numbers: [88] 88,59 unequal: No Solution Exploring Operation: 10+98=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 10*98=980, Resulting Numbers: [980] 980,59 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 94, 87, 70, 78 ]
68
[ "94-87=7", "70/7=10", "78-10=68" ]
Current State: 68:[94, 87, 70, 78], Operations: [] Exploring Operation: 94-87=7, Resulting Numbers: [70, 78, 7] Generated Node #2: [70, 78, 7] from Operation: 94-87=7 Current State: 68:[70, 78, 7], Operations: ['94-87=7'] Exploring Operation: 70/7=10, Resulting Numbers: [78, 10] Generated Node #3: [78, 10] from Operation: 70/7=10 Current State: 68:[78, 10], Operations: ['94-87=7', '70/7=10'] Exploring Operation: 78-10=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[94, 87, 70, 78], Operations: [] Exploring Operation: 94-87=7, Resulting Numbers: [70, 78, 7] Generated Node #0,0: 68:[70, 78, 7] Operation: 94-87=7 Exploring Operation: 87-78=9, Resulting Numbers: [94, 70, 9] Generated Node #0,1: 68:[94, 70, 9] Operation: 87-78=9 Exploring Operation: 94-78=16, Resulting Numbers: [87, 70, 16] Generated Node #0,2: 68:[87, 70, 16] Operation: 94-78=16 Exploring Operation: 87-70=17, Resulting Numbers: [94, 78, 17] Generated Node #0,3: 68:[94, 78, 17] Operation: 87-70=17 Exploring Operation: 94-70=24, Resulting Numbers: [87, 78, 24] Generated Node #0,4: 68:[87, 78, 24] Operation: 94-70=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[70, 78, 7], Operations: ['94-87=7'] Exploring Operation: 70-7=63, Resulting Numbers: [78, 63] Generated Node #0,0,0: 68:[78, 63] Operation: 70-7=63 Exploring Operation: 70/7=10, Resulting Numbers: [78, 10] Generated Node #0,0,1: 68:[78, 10] Operation: 70/7=10 Exploring Operation: 78-70=8, Resulting Numbers: [7, 8] Generated Node #0,0,2: 68:[7, 8] Operation: 78-70=8 Exploring Operation: 70+7=77, Resulting Numbers: [78, 77] Generated Node #0,0,3: 68:[78, 77] Operation: 70+7=77 Exploring Operation: 78-7=71, Resulting Numbers: [70, 71] Generated Node #0,0,4: 68:[70, 71] Operation: 78-7=71 Moving to Node #0,0,4 Current State: 68:[70, 71], Operations: ['94-87=7', '78-7=71'] Exploring Operation: 70*71=4970, Resulting Numbers: [4970] 4970,68 unequal: No Solution Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 70+71=141, Resulting Numbers: [141] 141,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[7, 8], Operations: ['94-87=7', '78-70=8'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,68 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[78, 63], Operations: ['94-87=7', '70-7=63'] Exploring Operation: 78-63=15, Resulting Numbers: [15] 15,68 unequal: No Solution Exploring Operation: 78*63=4914, Resulting Numbers: [4914] 4914,68 unequal: No Solution Exploring Operation: 78+63=141, Resulting Numbers: [141] 141,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[78, 10], Operations: ['94-87=7', '70/7=10'] Exploring Operation: 78-10=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[94, 87, 70, 78], Operations: [] Exploring Operation: 94-87=7, Resulting Numbers: [70, 78, 7] Generated Node #0,0: 68:[70, 78, 7] Operation: 94-87=7 Moving to Node #0,0 Current State: 68:[70, 78, 7], Operations: ['94-87=7'] Exploring Operation: 70/7=10, Resulting Numbers: [78, 10] Generated Node #0,0,1: 68:[78, 10] Operation: 70/7=10 Moving to Node #0,0,1 Current State: 68:[78, 10], Operations: ['94-87=7', '70/7=10'] Exploring Operation: 78-10=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 72, 70, 8, 10 ]
66
[ "8+10=18", "72/18=4", "70-4=66" ]
Current State: 66:[72, 70, 8, 10], Operations: [] Exploring Operation: 8+10=18, Resulting Numbers: [72, 70, 18] Generated Node #2: [72, 70, 18] from Operation: 8+10=18 Current State: 66:[72, 70, 18], Operations: ['8+10=18'] Exploring Operation: 72/18=4, Resulting Numbers: [70, 4] Generated Node #3: [70, 4] from Operation: 72/18=4 Current State: 66:[70, 4], Operations: ['8+10=18', '72/18=4'] Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[72, 70, 8, 10], Operations: [] Exploring Operation: 72/8=9, Resulting Numbers: [70, 10, 9] Generated Node #0,0: 66:[70, 10, 9] Operation: 72/8=9 Exploring Operation: 72-8=64, Resulting Numbers: [70, 10, 64] Generated Node #0,1: 66:[70, 10, 64] Operation: 72-8=64 Exploring Operation: 72-10=62, Resulting Numbers: [70, 8, 62] Generated Node #0,2: 66:[70, 8, 62] Operation: 72-10=62 Exploring Operation: 72-70=2, Resulting Numbers: [8, 10, 2] Generated Node #0,3: 66:[8, 10, 2] Operation: 72-70=2 Exploring Operation: 70/10=7, Resulting Numbers: [72, 8, 7] Generated Node #0,4: 66:[72, 8, 7] Operation: 70/10=7 Start Sub Search at level 1: Moving to Node #0,3 Current State: 66:[8, 10, 2], Operations: ['72-70=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10, 10] Generated Node #0,3,0: 66:[10, 10] Operation: 8+2=10 Exploring Operation: 8/2=4, Resulting Numbers: [10, 4] Generated Node #0,3,1: 66:[10, 4] Operation: 8/2=4 Exploring Operation: 8-2=6, Resulting Numbers: [10, 6] Generated Node #0,3,2: 66:[10, 6] Operation: 8-2=6 Exploring Operation: 10-8=2, Resulting Numbers: [2, 2] Generated Node #0,3,3: 66:[2, 2] Operation: 10-8=2 Exploring Operation: 10+2=12, Resulting Numbers: [8, 12] Generated Node #0,3,4: 66:[8, 12] Operation: 10+2=12 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 66:[2, 2], Operations: ['72-70=2', '10-8=2'] Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,66 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 2*2=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 #0,3,2 Current State: 66:[10, 6], Operations: ['72-70=2', '8-2=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,66 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,66 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 #0,3,0 Current State: 66:[10, 10], Operations: ['72-70=2', '8+2=10'] Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,66 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,66 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,66 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 #0,3,1 Current State: 66:[10, 4], Operations: ['72-70=2', '8/2=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,66 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,66 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,66 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 #0,3,4 Current State: 66:[8, 12], Operations: ['72-70=2', '10+2=12'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,66 unequal: No Solution Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,66 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:[70, 10, 9], Operations: ['72/8=9'] Exploring Operation: 70-9=61, Resulting Numbers: [10, 61] Generated Node #0,0,0: 66:[10, 61] Operation: 70-9=61 Exploring Operation: 70-10=60, Resulting Numbers: [9, 60] Generated Node #0,0,1: 66:[9, 60] Operation: 70-10=60 Exploring Operation: 70/10=7, Resulting Numbers: [9, 7] Generated Node #0,0,2: 66:[9, 7] Operation: 70/10=7 Exploring Operation: 10+9=19, Resulting Numbers: [70, 19] Generated Node #0,0,3: 66:[70, 19] Operation: 10+9=19 Exploring Operation: 10-9=1, Resulting Numbers: [70, 1] Generated Node #0,0,4: 66:[70, 1] Operation: 10-9=1 Moving to Node #0,0,2 Current State: 66:[9, 7], Operations: ['72/8=9', '70/10=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,66 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,66 unequal: No Solution Moving to Node #0,0,4 Current State: 66:[70, 1], Operations: ['72/8=9', '10-9=1'] Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,66 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,66 unequal: No Solution Exploring Operation: 70/1=70, Resulting Numbers: [70] 70,66 unequal: No Solution Exploring Operation: 70+1=71, Resulting Numbers: [71] 71,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[10, 61], Operations: ['72/8=9', '70-9=61'] Exploring Operation: 10+61=71, Resulting Numbers: [71] 71,66 unequal: No Solution Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,66 unequal: No Solution Exploring Operation: 10*61=610, Resulting Numbers: [610] 610,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[70, 19], Operations: ['72/8=9', '10+9=19'] Exploring Operation: 70*19=1330, Resulting Numbers: [1330] 1330,66 unequal: No Solution Exploring Operation: 70+19=89, Resulting Numbers: [89] 89,66 unequal: No Solution Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[9, 60], Operations: ['72/8=9', '70-10=60'] Exploring Operation: 9*60=540, Resulting Numbers: [540] 540,66 unequal: No Solution Exploring Operation: 9+60=69, Resulting Numbers: [69] 69,66 unequal: No Solution Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,66 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:[70, 10, 64], Operations: ['72-8=64'] Exploring Operation: 10+64=74, Resulting Numbers: [70, 74] Generated Node #0,1,0: 66:[70, 74] Operation: 10+64=74 Exploring Operation: 70-10=60, Resulting Numbers: [64, 60] Generated Node #0,1,1: 66:[64, 60] Operation: 70-10=60 Exploring Operation: 70-64=6, Resulting Numbers: [10, 6] Generated Node #0,1,2: 66:[10, 6] Operation: 70-64=6 Exploring Operation: 70+10=80, Resulting Numbers: [64, 80] Generated Node #0,1,3: 66:[64, 80] Operation: 70+10=80 Exploring Operation: 70/10=7, Resulting Numbers: [64, 7] Generated Node #0,1,4: 66:[64, 7] Operation: 70/10=7 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 66:[10, 6], Operations: ['72-8=64', '70-64=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,66 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,66 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 #0,1,4 Current State: 66:[64, 7], Operations: ['72-8=64', '70/10=7'] Exploring Operation: 64+7=71, Resulting Numbers: [71] 71,66 unequal: No Solution Exploring Operation: 64*7=448, Resulting Numbers: [448] 448,66 unequal: No Solution Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,66 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:[64, 60], Operations: ['72-8=64', '70-10=60'] Exploring Operation: 64+60=124, Resulting Numbers: [124] 124,66 unequal: No Solution Exploring Operation: 64-60=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 64*60=3840, Resulting Numbers: [3840] 3840,66 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:[70, 74], Operations: ['72-8=64', '10+64=74'] Exploring Operation: 70*74=5180, Resulting Numbers: [5180] 5180,66 unequal: No Solution Exploring Operation: 74-70=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 70+74=144, Resulting Numbers: [144] 144,66 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:[64, 80], Operations: ['72-8=64', '70+10=80'] Exploring Operation: 80-64=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 64+80=144, Resulting Numbers: [144] 144,66 unequal: No Solution Exploring Operation: 64*80=5120, Resulting Numbers: [5120] 5120,66 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 #0,4 Current State: 66:[72, 8, 7], Operations: ['70/10=7'] Exploring Operation: 72-7=65, Resulting Numbers: [8, 65] Generated Node #0,4,0: 66:[8, 65] Operation: 72-7=65 Exploring Operation: 72/8=9, Resulting Numbers: [7, 9] Generated Node #0,4,1: 66:[7, 9] Operation: 72/8=9 Exploring Operation: 72-8=64, Resulting Numbers: [7, 64] Generated Node #0,4,2: 66:[7, 64] Operation: 72-8=64 Exploring Operation: 8-7=1, Resulting Numbers: [72, 1] Generated Node #0,4,3: 66:[72, 1] Operation: 8-7=1 Exploring Operation: 8+7=15, Resulting Numbers: [72, 15] Generated Node #0,4,4: 66:[72, 15] Operation: 8+7=15 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 66:[8, 65], Operations: ['70/10=7', '72-7=65'] Exploring Operation: 8+65=73, Resulting Numbers: [73] 73,66 unequal: No Solution Exploring Operation: 8*65=520, Resulting Numbers: [520] 520,66 unequal: No Solution Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,66 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 #0,4,1 Current State: 66:[7, 9], Operations: ['70/10=7', '72/8=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,66 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,66 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 #0,4,2 Current State: 66:[7, 64], Operations: ['70/10=7', '72-8=64'] Exploring Operation: 7*64=448, Resulting Numbers: [448] 448,66 unequal: No Solution Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,66 unequal: No Solution Exploring Operation: 7+64=71, Resulting Numbers: [71] 71,66 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 #0,4,3 Current State: 66:[72, 1], Operations: ['70/10=7', '8-7=1'] Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,66 unequal: No Solution Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,66 unequal: No Solution Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,66 unequal: No Solution Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,66 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 #0,4,4 Current State: 66:[72, 15], Operations: ['70/10=7', '8+7=15'] Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,66 unequal: No Solution Exploring Operation: 72*15=1080, Resulting Numbers: [1080] 1080,66 unequal: No Solution Exploring Operation: 72+15=87, Resulting Numbers: [87] 87,66 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:[70, 8, 62], Operations: ['72-10=62'] Exploring Operation: 70+8=78, Resulting Numbers: [62, 78] Generated Node #0,2,0: 66:[62, 78] Operation: 70+8=78 Exploring Operation: 70-8=62, Resulting Numbers: [62, 62] Generated Node #0,2,1: 66:[62, 62] Operation: 70-8=62 Exploring Operation: 8+62=70, Resulting Numbers: [70, 70] Generated Node #0,2,2: 66:[70, 70] Operation: 8+62=70 Exploring Operation: 62-8=54, Resulting Numbers: [70, 54] Generated Node #0,2,3: 66:[70, 54] Operation: 62-8=54 Exploring Operation: 70-62=8, Resulting Numbers: [8, 8] Generated Node #0,2,4: 66:[8, 8] Operation: 70-62=8 Moving to Node #0,2,4 Current State: 66:[8, 8], Operations: ['72-10=62', '70-62=8'] Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,66 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,66 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[70, 70], Operations: ['72-10=62', '8+62=70'] Exploring Operation: 70*70=4900, Resulting Numbers: [4900] 4900,66 unequal: No Solution Exploring Operation: 70/70=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 70+70=140, Resulting Numbers: [140] 140,66 unequal: No Solution Exploring Operation: 70-70=0, Resulting Numbers: [0] 0,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[62, 62], Operations: ['72-10=62', '70-8=62'] Exploring Operation: 62+62=124, Resulting Numbers: [124] 124,66 unequal: No Solution Exploring Operation: 62/62=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 62-62=0, Resulting Numbers: [0] 0,66 unequal: No Solution Exploring Operation: 62*62=3844, Resulting Numbers: [3844] 3844,66 unequal: No Solution Moving to Node #0,2,0 Current State: 66:[62, 78], Operations: ['72-10=62', '70+8=78'] Exploring Operation: 78-62=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 62*78=4836, Resulting Numbers: [4836] 4836,66 unequal: No Solution Exploring Operation: 62+78=140, Resulting Numbers: [140] 140,66 unequal: No Solution Moving to Node #0,2,3 Current State: 66:[70, 54], Operations: ['72-10=62', '62-8=54'] Exploring Operation: 70*54=3780, Resulting Numbers: [3780] 3780,66 unequal: No Solution Exploring Operation: 70+54=124, Resulting Numbers: [124] 124,66 unequal: No Solution Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,66 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
[ 3, 59, 8, 45 ]
19
[ "59-3=56", "45-8=37", "56-37=19" ]
Current State: 19:[3, 59, 8, 45], Operations: [] Exploring Operation: 59-3=56, Resulting Numbers: [8, 45, 56] Generated Node #2: [8, 45, 56] from Operation: 59-3=56 Current State: 19:[8, 45, 56], Operations: ['59-3=56'] Exploring Operation: 45-8=37, Resulting Numbers: [56, 37] Generated Node #3: [56, 37] from Operation: 45-8=37 Current State: 19:[56, 37], Operations: ['59-3=56', '45-8=37'] Exploring Operation: 56-37=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[3, 59, 8, 45], Operations: [] Exploring Operation: 45/3=15, Resulting Numbers: [59, 8, 15] Generated Node #0,0: 19:[59, 8, 15] Operation: 45/3=15 Exploring Operation: 3*8=24, Resulting Numbers: [59, 45, 24] Generated Node #0,1: 19:[59, 45, 24] Operation: 3*8=24 Exploring Operation: 59-45=14, Resulting Numbers: [3, 8, 14] Generated Node #0,2: 19:[3, 8, 14] Operation: 59-45=14 Moving to Node #0,2 Current State: 19:[3, 8, 14], Operations: ['59-45=14'] Exploring Operation: 3+14=17, Resulting Numbers: [8, 17] Generated Node #0,2,0: 19:[8, 17] Operation: 3+14=17 Exploring Operation: 3+8=11, Resulting Numbers: [14, 11] Generated Node #0,2,1: 19:[14, 11] Operation: 3+8=11 Exploring Operation: 3*8=24, Resulting Numbers: [14, 24] Generated Node #0,2,2: 19:[14, 24] Operation: 3*8=24 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[14, 24], Operations: ['59-45=14', '3*8=24'] Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[8, 17], Operations: ['59-45=14', '3+14=17'] Exploring Operation: 8*17=136, Resulting Numbers: [136] 136,19 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[14, 11], Operations: ['59-45=14', '3+8=11'] Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,19 unequal: No Solution Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,19 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,19 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: 19:[59, 8, 15], Operations: ['45/3=15'] Exploring Operation: 59-8=51, Resulting Numbers: [15, 51] Generated Node #0,0,0: 19:[15, 51] Operation: 59-8=51 Exploring Operation: 8+15=23, Resulting Numbers: [59, 23] Generated Node #0,0,1: 19:[59, 23] Operation: 8+15=23 Exploring Operation: 59-15=44, Resulting Numbers: [8, 44] Generated Node #0,0,2: 19:[8, 44] Operation: 59-15=44 Moving to Node #0,1 Current State: 19:[59, 45, 24], Operations: ['3*8=24'] Exploring Operation: 59-24=35, Resulting Numbers: [45, 35] Generated Node #0,1,0: 19:[45, 35] Operation: 59-24=35 Exploring Operation: 59-45=14, Resulting Numbers: [24, 14] Generated Node #0,1,1: 19:[24, 14] Operation: 59-45=14 Exploring Operation: 45-24=21, Resulting Numbers: [59, 21] Generated Node #0,1,2: 19:[59, 21] Operation: 45-24=21 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[24, 14], Operations: ['3*8=24', '59-45=14'] Exploring Operation: 24+14=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 24*14=336, Resulting Numbers: [336] 336,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 19:[45, 35], Operations: ['3*8=24', '59-24=35'] Exploring Operation: 45*35=1575, Resulting Numbers: [1575] 1575,19 unequal: No Solution Exploring Operation: 45+35=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[59, 21], Operations: ['3*8=24', '45-24=21'] Exploring Operation: 59+21=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 59*21=1239, Resulting Numbers: [1239] 1239,19 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: 19:[15, 51], Operations: ['45/3=15', '59-8=51'] Exploring Operation: 15+51=66, Resulting Numbers: [66] 66,19 unequal: No Solution Exploring Operation: 15*51=765, Resulting Numbers: [765] 765,19 unequal: No Solution Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[8, 44], Operations: ['45/3=15', '59-15=44'] Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,19 unequal: No Solution Exploring Operation: 8*44=352, Resulting Numbers: [352] 352,19 unequal: No Solution Exploring Operation: 8+44=52, Resulting Numbers: [52] 52,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[59, 23], Operations: ['45/3=15', '8+15=23'] Exploring Operation: 59*23=1357, Resulting Numbers: [1357] 1357,19 unequal: No Solution Exploring Operation: 59+23=82, Resulting Numbers: [82] 82,19 unequal: No Solution Exploring Operation: 59-23=36, Resulting Numbers: [36] 36,19 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 34, 79, 32, 3 ]
27
[ "34+79=113", "113-32=81", "81/3=27" ]
Current State: 27:[34, 79, 32, 3], Operations: [] Exploring Operation: 34+79=113, Resulting Numbers: [32, 3, 113] Generated Node #2: [32, 3, 113] from Operation: 34+79=113 Current State: 27:[32, 3, 113], Operations: ['34+79=113'] Exploring Operation: 113-32=81, Resulting Numbers: [3, 81] Generated Node #3: [3, 81] from Operation: 113-32=81 Current State: 27:[3, 81], Operations: ['34+79=113', '113-32=81'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[34, 79, 32, 3], Operations: [] Exploring Operation: 79-34=45, Resulting Numbers: [32, 3, 45] Generated Node #0,0: 27:[32, 3, 45] Operation: 79-34=45 Exploring Operation: 34-32=2, Resulting Numbers: [79, 3, 2] Generated Node #0,1: 27:[79, 3, 2] Operation: 34-32=2 Exploring Operation: 79-32=47, Resulting Numbers: [34, 3, 47] Generated Node #0,2: 27:[34, 3, 47] Operation: 79-32=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[32, 3, 45], Operations: ['79-34=45'] Exploring Operation: 45/3=15, Resulting Numbers: [32, 15] Generated Node #0,0,0: 27:[32, 15] Operation: 45/3=15 Exploring Operation: 32-3=29, Resulting Numbers: [45, 29] Generated Node #0,0,1: 27:[45, 29] Operation: 32-3=29 Exploring Operation: 45-32=13, Resulting Numbers: [3, 13] Generated Node #0,0,2: 27:[3, 13] Operation: 45-32=13 Moving to Node #0,0,2 Current State: 27:[3, 13], Operations: ['79-34=45', '45-32=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[32, 15], Operations: ['79-34=45', '45/3=15'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,27 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[45, 29], Operations: ['79-34=45', '32-3=29'] Exploring Operation: 45*29=1305, Resulting Numbers: [1305] 1305,27 unequal: No Solution Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,27 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 #0,2 Current State: 27:[34, 3, 47], Operations: ['79-32=47'] Exploring Operation: 47-34=13, Resulting Numbers: [3, 13] Generated Node #0,2,0: 27:[3, 13] Operation: 47-34=13 Exploring Operation: 47-3=44, Resulting Numbers: [34, 44] Generated Node #0,2,1: 27:[34, 44] Operation: 47-3=44 Exploring Operation: 34-3=31, Resulting Numbers: [47, 31] Generated Node #0,2,2: 27:[47, 31] Operation: 34-3=31 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 27:[3, 13], Operations: ['79-32=47', '47-34=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,27 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,27 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 #0,2,1 Current State: 27:[34, 44], Operations: ['79-32=47', '47-3=44'] Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 34*44=1496, Resulting Numbers: [1496] 1496,27 unequal: No Solution Exploring Operation: 34+44=78, Resulting Numbers: [78] 78,27 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 #0,2,2 Current State: 27:[47, 31], Operations: ['79-32=47', '34-3=31'] Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 47+31=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 47*31=1457, Resulting Numbers: [1457] 1457,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[79, 3, 2], Operations: ['34-32=2'] Exploring Operation: 79-3=76, Resulting Numbers: [2, 76] Generated Node #0,1,0: 27:[2, 76] Operation: 79-3=76 Exploring Operation: 79+2=81, Resulting Numbers: [3, 81] Generated Node #0,1,1: 27:[3, 81] Operation: 79+2=81 Exploring Operation: 79-2=77, Resulting Numbers: [3, 77] Generated Node #0,1,2: 27:[3, 77] Operation: 79-2=77 Moving to Node #0,1,0 Current State: 27:[2, 76], Operations: ['34-32=2', '79-3=76'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,27 unequal: No Solution Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,27 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[3, 77], Operations: ['34-32=2', '79-2=77'] Exploring Operation: 3+77=80, Resulting Numbers: [80] 80,27 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 3*77=231, Resulting Numbers: [231] 231,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[3, 81], Operations: ['34-32=2', '79+2=81'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[34, 79, 32, 3], Operations: [] Exploring Operation: 34-32=2, Resulting Numbers: [79, 3, 2] Generated Node #0,1: 27:[79, 3, 2] Operation: 34-32=2 Moving to Node #0,1 Current State: 27:[79, 3, 2], Operations: ['34-32=2'] Exploring Operation: 79+2=81, Resulting Numbers: [3, 81] Generated Node #0,1,1: 27:[3, 81] Operation: 79+2=81 Moving to Node #0,1,1 Current State: 27:[3, 81], Operations: ['34-32=2', '79+2=81'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_3
sum_heuristic
[ 77, 10, 36, 99 ]
38
[ "77*36=2772", "2772/99=28", "10+28=38" ]
Current State: 38:[77, 10, 36, 99], Operations: [] Exploring Operation: 77*36=2772, Resulting Numbers: [10, 99, 2772] Generated Node #2: [10, 99, 2772] from Operation: 77*36=2772 Current State: 38:[10, 99, 2772], Operations: ['77*36=2772'] Exploring Operation: 2772/99=28, Resulting Numbers: [10, 28] Generated Node #3: [10, 28] from Operation: 2772/99=28 Current State: 38:[10, 28], Operations: ['77*36=2772', '2772/99=28'] Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[77, 10, 36, 99], Operations: [] Exploring Operation: 99-77=22, Resulting Numbers: [10, 36, 22] Generated Node #0,0: 38:[10, 36, 22] Operation: 99-77=22 Exploring Operation: 77-10=67, Resulting Numbers: [36, 99, 67] Generated Node #0,1: 38:[36, 99, 67] Operation: 77-10=67 Exploring Operation: 99-36=63, Resulting Numbers: [77, 10, 63] Generated Node #0,2: 38:[77, 10, 63] Operation: 99-36=63 Exploring Operation: 77-36=41, Resulting Numbers: [10, 99, 41] Generated Node #0,3: 38:[10, 99, 41] Operation: 77-36=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[10, 36, 22], Operations: ['99-77=22'] Exploring Operation: 22-10=12, Resulting Numbers: [36, 12] Generated Node #0,0,0: 38:[36, 12] Operation: 22-10=12 Exploring Operation: 10+22=32, Resulting Numbers: [36, 32] Generated Node #0,0,1: 38:[36, 32] Operation: 10+22=32 Exploring Operation: 10+36=46, Resulting Numbers: [22, 46] Generated Node #0,0,2: 38:[22, 46] Operation: 10+36=46 Exploring Operation: 36-10=26, Resulting Numbers: [22, 26] Generated Node #0,0,3: 38:[22, 26] Operation: 36-10=26 Moving to Node #0,0,1 Current State: 38:[36, 32], Operations: ['99-77=22', '10+22=32'] Exploring Operation: 36+32=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 36*32=1152, Resulting Numbers: [1152] 1152,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[36, 12], Operations: ['99-77=22', '22-10=12'] Exploring Operation: 36+12=48, Resulting Numbers: [48] 48,38 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,38 unequal: No Solution Exploring Operation: 36*12=432, Resulting Numbers: [432] 432,38 unequal: No Solution Moving to Node #0,0,3 Current State: 38:[22, 26], Operations: ['99-77=22', '36-10=26'] Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 22+26=48, Resulting Numbers: [48] 48,38 unequal: No Solution Exploring Operation: 22*26=572, Resulting Numbers: [572] 572,38 unequal: No Solution Moving to Node #0,0,2 Current State: 38:[22, 46], Operations: ['99-77=22', '10+36=46'] Exploring Operation: 22+46=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 46-22=24, Resulting Numbers: [24] 24,38 unequal: No Solution Exploring Operation: 22*46=1012, Resulting Numbers: [1012] 1012,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[77, 10, 63], Operations: ['99-36=63'] Exploring Operation: 77-10=67, Resulting Numbers: [63, 67] Generated Node #0,2,0: 38:[63, 67] Operation: 77-10=67 Exploring Operation: 63-10=53, Resulting Numbers: [77, 53] Generated Node #0,2,1: 38:[77, 53] Operation: 63-10=53 Exploring Operation: 77+10=87, Resulting Numbers: [63, 87] Generated Node #0,2,2: 38:[63, 87] Operation: 77+10=87 Exploring Operation: 77-63=14, Resulting Numbers: [10, 14] Generated Node #0,2,3: 38:[10, 14] Operation: 77-63=14 Moving to Node #0,2,3 Current State: 38:[10, 14], Operations: ['99-36=63', '77-63=14'] Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,38 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,38 unequal: No Solution Moving to Node #0,2,1 Current State: 38:[77, 53], Operations: ['99-36=63', '63-10=53'] Exploring Operation: 77-53=24, Resulting Numbers: [24] 24,38 unequal: No Solution Exploring Operation: 77*53=4081, Resulting Numbers: [4081] 4081,38 unequal: No Solution Exploring Operation: 77+53=130, Resulting Numbers: [130] 130,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[63, 67], Operations: ['99-36=63', '77-10=67'] Exploring Operation: 67-63=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 63+67=130, Resulting Numbers: [130] 130,38 unequal: No Solution Exploring Operation: 63*67=4221, Resulting Numbers: [4221] 4221,38 unequal: No Solution Moving to Node #0,2,2 Current State: 38:[63, 87], Operations: ['99-36=63', '77+10=87'] Exploring Operation: 63*87=5481, Resulting Numbers: [5481] 5481,38 unequal: No Solution Exploring Operation: 87-63=24, Resulting Numbers: [24] 24,38 unequal: No Solution Exploring Operation: 63+87=150, Resulting Numbers: [150] 150,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 38:[10, 99, 41], Operations: ['77-36=41'] Exploring Operation: 99-41=58, Resulting Numbers: [10, 58] Generated Node #0,3,0: 38:[10, 58] Operation: 99-41=58 Exploring Operation: 10+99=109, Resulting Numbers: [41, 109] Generated Node #0,3,1: 38:[41, 109] Operation: 10+99=109 Exploring Operation: 99-10=89, Resulting Numbers: [41, 89] Generated Node #0,3,2: 38:[41, 89] Operation: 99-10=89 Exploring Operation: 41-10=31, Resulting Numbers: [99, 31] Generated Node #0,3,3: 38:[99, 31] Operation: 41-10=31 Moving to Node #0,3,0 Current State: 38:[10, 58], Operations: ['77-36=41', '99-41=58'] Exploring Operation: 10+58=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 10*58=580, Resulting Numbers: [580] 580,38 unequal: No Solution Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,38 unequal: No Solution Moving to Node #0,3,2 Current State: 38:[41, 89], Operations: ['77-36=41', '99-10=89'] Exploring Operation: 41*89=3649, Resulting Numbers: [3649] 3649,38 unequal: No Solution Exploring Operation: 41+89=130, Resulting Numbers: [130] 130,38 unequal: No Solution Exploring Operation: 89-41=48, Resulting Numbers: [48] 48,38 unequal: No Solution Moving to Node #0,3,3 Current State: 38:[99, 31], Operations: ['77-36=41', '41-10=31'] Exploring Operation: 99-31=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 99+31=130, Resulting Numbers: [130] 130,38 unequal: No Solution Exploring Operation: 99*31=3069, Resulting Numbers: [3069] 3069,38 unequal: No Solution Moving to Node #0,3,1 Current State: 38:[41, 109], Operations: ['77-36=41', '10+99=109'] Exploring Operation: 41+109=150, Resulting Numbers: [150] 150,38 unequal: No Solution Exploring Operation: 109-41=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 41*109=4469, Resulting Numbers: [4469] 4469,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[36, 99, 67], Operations: ['77-10=67'] Exploring Operation: 36+99=135, Resulting Numbers: [67, 135] Generated Node #0,1,0: 38:[67, 135] Operation: 36+99=135 Exploring Operation: 99-36=63, Resulting Numbers: [67, 63] Generated Node #0,1,1: 38:[67, 63] Operation: 99-36=63 Exploring Operation: 99-67=32, Resulting Numbers: [36, 32] Generated Node #0,1,2: 38:[36, 32] Operation: 99-67=32 Exploring Operation: 67-36=31, Resulting Numbers: [99, 31] Generated Node #0,1,3: 38:[99, 31] Operation: 67-36=31 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 38:[36, 32], Operations: ['77-10=67', '99-67=32'] Exploring Operation: 36+32=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 36*32=1152, Resulting Numbers: [1152] 1152,38 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,38 unequal: No Solution No 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: 38:[67, 63], Operations: ['77-10=67', '99-36=63'] Exploring Operation: 67*63=4221, Resulting Numbers: [4221] 4221,38 unequal: No Solution Exploring Operation: 67-63=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 67+63=130, Resulting Numbers: [130] 130,38 unequal: No Solution No 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: 38:[99, 31], Operations: ['77-10=67', '67-36=31'] Exploring Operation: 99*31=3069, Resulting Numbers: [3069] 3069,38 unequal: No Solution Exploring Operation: 99+31=130, Resulting Numbers: [130] 130,38 unequal: No Solution Exploring Operation: 99-31=68, Resulting Numbers: [68] 68,38 unequal: No Solution No 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: 38:[67, 135], Operations: ['77-10=67', '36+99=135'] Exploring Operation: 135-67=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 67+135=202, Resulting Numbers: [202] 202,38 unequal: No Solution Exploring Operation: 67*135=9045, Resulting Numbers: [9045] 9045,38 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
[ 14, 49, 46, 42 ]
44
[ "49-42=7", "14/7=2", "46-2=44" ]
Current State: 44:[14, 49, 46, 42], Operations: [] Exploring Operation: 49-42=7, Resulting Numbers: [14, 46, 7] Generated Node #2: [14, 46, 7] from Operation: 49-42=7 Current State: 44:[14, 46, 7], Operations: ['49-42=7'] Exploring Operation: 14/7=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 14/7=2 Current State: 44:[46, 2], Operations: ['49-42=7', '14/7=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[14, 49, 46, 42], Operations: [] Exploring Operation: 49-46=3, Resulting Numbers: [14, 42, 3] Generated Node #0,0: 44:[14, 42, 3] Operation: 49-46=3 Exploring Operation: 49-42=7, Resulting Numbers: [14, 46, 7] Generated Node #0,1: 44:[14, 46, 7] Operation: 49-42=7 Exploring Operation: 42/14=3, Resulting Numbers: [49, 46, 3] Generated Node #0,2: 44:[49, 46, 3] Operation: 42/14=3 Moving to Node #0,0 Current State: 44:[14, 42, 3], Operations: ['49-46=3'] Exploring Operation: 14*3=42, Resulting Numbers: [42, 42] Generated Node #0,0,0: 44:[42, 42] Operation: 14*3=42 Exploring Operation: 42/14=3, Resulting Numbers: [3, 3] Generated Node #0,0,1: 44:[3, 3] Operation: 42/14=3 Exploring Operation: 14-3=11, Resulting Numbers: [42, 11] Generated Node #0,0,2: 44:[42, 11] Operation: 14-3=11 Moving to Node #0,1 Current State: 44:[14, 46, 7], Operations: ['49-42=7'] Exploring Operation: 14-7=7, Resulting Numbers: [46, 7] Generated Node #0,1,0: 44:[46, 7] Operation: 14-7=7 Exploring Operation: 14/7=2, Resulting Numbers: [46, 2] Generated Node #0,1,1: 44:[46, 2] Operation: 14/7=2 Exploring Operation: 14+7=21, Resulting Numbers: [46, 21] Generated Node #0,1,2: 44:[46, 21] Operation: 14+7=21 Moving to Node #0,2 Current State: 44:[49, 46, 3], Operations: ['42/14=3'] Exploring Operation: 46-3=43, Resulting Numbers: [49, 43] Generated Node #0,2,0: 44:[49, 43] Operation: 46-3=43 Exploring Operation: 49-46=3, Resulting Numbers: [3, 3] Generated Node #0,2,1: 44:[3, 3] Operation: 49-46=3 Exploring Operation: 49-3=46, Resulting Numbers: [46, 46] Generated Node #0,2,2: 44:[46, 46] Operation: 49-3=46 Moving to Node #0,0,1 Current State: 44:[3, 3], Operations: ['49-46=3', '42/14=3'] Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[3, 3], Operations: ['42/14=3', '49-46=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[42, 11], Operations: ['49-46=3', '14-3=11'] Exploring Operation: 42-11=31, Resulting Numbers: [31] 31,44 unequal: No Solution Exploring Operation: 42+11=53, Resulting Numbers: [53] 53,44 unequal: No Solution Exploring Operation: 42*11=462, Resulting Numbers: [462] 462,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[46, 2], Operations: ['49-42=7', '14/7=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,44 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[14, 49, 46, 42], Operations: [] Exploring Operation: 49-42=7, Resulting Numbers: [14, 46, 7] Generated Node #0,1: 44:[14, 46, 7] Operation: 49-42=7 Moving to Node #0,1 Current State: 44:[14, 46, 7], Operations: ['49-42=7'] Exploring Operation: 14/7=2, Resulting Numbers: [46, 2] Generated Node #0,1,1: 44:[46, 2] Operation: 14/7=2 Moving to Node #0,1,1 Current State: 44:[46, 2], Operations: ['49-42=7', '14/7=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 28, 6, 94, 16 ]
100
[ "28-6=22", "94-16=78", "22+78=100" ]
Current State: 100:[28, 6, 94, 16], Operations: [] Exploring Operation: 28-6=22, Resulting Numbers: [94, 16, 22] Generated Node #2: [94, 16, 22] from Operation: 28-6=22 Current State: 100:[94, 16, 22], Operations: ['28-6=22'] Exploring Operation: 94-16=78, Resulting Numbers: [22, 78] Generated Node #3: [22, 78] from Operation: 94-16=78 Current State: 100:[22, 78], Operations: ['28-6=22', '94-16=78'] Exploring Operation: 22+78=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[28, 6, 94, 16], Operations: [] Exploring Operation: 16-6=10, Resulting Numbers: [28, 94, 10] Generated Node #0,0: 100:[28, 94, 10] Operation: 16-6=10 Exploring Operation: 28-16=12, Resulting Numbers: [6, 94, 12] Generated Node #0,1: 100:[6, 94, 12] Operation: 28-16=12 Exploring Operation: 6+16=22, Resulting Numbers: [28, 94, 22] Generated Node #0,2: 100:[28, 94, 22] Operation: 6+16=22 Exploring Operation: 28-6=22, Resulting Numbers: [94, 16, 22] Generated Node #0,3: 100:[94, 16, 22] Operation: 28-6=22 Exploring Operation: 6+94=100, Resulting Numbers: [28, 16, 100] Generated Node #0,4: 100:[28, 16, 100] Operation: 6+94=100 Moving to Node #0,4 Current State: 100:[28, 16, 100], Operations: ['6+94=100'] Exploring Operation: 28+16=44, Resulting Numbers: [100, 44] Generated Node #0,4,0: 100:[100, 44] Operation: 28+16=44 Exploring Operation: 28-16=12, Resulting Numbers: [100, 12] Generated Node #0,4,1: 100:[100, 12] Operation: 28-16=12 Exploring Operation: 16+100=116, Resulting Numbers: [28, 116] Generated Node #0,4,2: 100:[28, 116] Operation: 16+100=116 Exploring Operation: 100-28=72, Resulting Numbers: [16, 72] Generated Node #0,4,3: 100:[16, 72] Operation: 100-28=72 Exploring Operation: 100-16=84, Resulting Numbers: [28, 84] Generated Node #0,4,4: 100:[28, 84] Operation: 100-16=84 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 100:[100, 12], Operations: ['6+94=100', '28-16=12'] Exploring Operation: 100-12=88, Resulting Numbers: [88] 88,100 unequal: No Solution Exploring Operation: 100+12=112, Resulting Numbers: [112] 112,100 unequal: No Solution Exploring Operation: 100*12=1200, Resulting Numbers: [1200] 1200,100 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 #0,4,0 Current State: 100:[100, 44], Operations: ['6+94=100', '28+16=44'] Exploring Operation: 100+44=144, Resulting Numbers: [144] 144,100 unequal: No Solution Exploring Operation: 100*44=4400, Resulting Numbers: [4400] 4400,100 unequal: No Solution Exploring Operation: 100-44=56, Resulting Numbers: [56] 56,100 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 #0,4,2 Current State: 100:[28, 116], Operations: ['6+94=100', '16+100=116'] Exploring Operation: 28+116=144, Resulting Numbers: [144] 144,100 unequal: No Solution Exploring Operation: 28*116=3248, Resulting Numbers: [3248] 3248,100 unequal: No Solution Exploring Operation: 116-28=88, Resulting Numbers: [88] 88,100 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 #0,4,4 Current State: 100:[28, 84], Operations: ['6+94=100', '100-16=84'] Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 28*84=2352, Resulting Numbers: [2352] 2352,100 unequal: No Solution Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,100 unequal: No Solution Exploring Operation: 28+84=112, Resulting Numbers: [112] 112,100 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 #0,4,3 Current State: 100:[16, 72], Operations: ['6+94=100', '100-28=72'] Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,100 unequal: No Solution Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,100 unequal: No Solution Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,100 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: 100:[6, 94, 12], Operations: ['28-16=12'] Exploring Operation: 12/6=2, Resulting Numbers: [94, 2] Generated Node #0,1,0: 100:[94, 2] Operation: 12/6=2 Exploring Operation: 6+94=100, Resulting Numbers: [12, 100] Generated Node #0,1,1: 100:[12, 100] Operation: 6+94=100 Exploring Operation: 94+12=106, Resulting Numbers: [6, 106] Generated Node #0,1,2: 100:[6, 106] Operation: 94+12=106 Exploring Operation: 6+12=18, Resulting Numbers: [94, 18] Generated Node #0,1,3: 100:[94, 18] Operation: 6+12=18 Exploring Operation: 12-6=6, Resulting Numbers: [94, 6] Generated Node #0,1,4: 100:[94, 6] Operation: 12-6=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[12, 100], Operations: ['28-16=12', '6+94=100'] Exploring Operation: 100-12=88, Resulting Numbers: [88] 88,100 unequal: No Solution Exploring Operation: 12+100=112, Resulting Numbers: [112] 112,100 unequal: No Solution Exploring Operation: 12*100=1200, Resulting Numbers: [1200] 1200,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[94, 2], Operations: ['28-16=12', '12/6=2'] Exploring Operation: 94*2=188, Resulting Numbers: [188] 188,100 unequal: No Solution Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,100 unequal: No Solution Exploring Operation: 94+2=96, Resulting Numbers: [96] 96,100 unequal: No Solution Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 100:[6, 106], Operations: ['28-16=12', '94+12=106'] Exploring Operation: 6+106=112, Resulting Numbers: [112] 112,100 unequal: No Solution Exploring Operation: 6*106=636, Resulting Numbers: [636] 636,100 unequal: No Solution Exploring Operation: 106-6=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[28, 6, 94, 16], Operations: [] Exploring Operation: 28-16=12, Resulting Numbers: [6, 94, 12] Generated Node #0,1: 100:[6, 94, 12] Operation: 28-16=12 Moving to Node #0,1 Current State: 100:[6, 94, 12], Operations: ['28-16=12'] Exploring Operation: 94+12=106, Resulting Numbers: [6, 106] Generated Node #0,1,2: 100:[6, 106] Operation: 94+12=106 Moving to Node #0,1,2 Current State: 100:[6, 106], Operations: ['28-16=12', '94+12=106'] Exploring Operation: 106-6=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.960938
hs_5
mult_heuristic
[ 14, 60, 21, 13 ]
39
[ "14-13=1", "60-21=39", "1*39=39" ]
Current State: 39:[14, 60, 21, 13], Operations: [] Exploring Operation: 14-13=1, Resulting Numbers: [60, 21, 1] Generated Node #2: [60, 21, 1] from Operation: 14-13=1 Current State: 39:[60, 21, 1], Operations: ['14-13=1'] Exploring Operation: 60-21=39, Resulting Numbers: [1, 39] Generated Node #3: [1, 39] from Operation: 60-21=39 Current State: 39:[1, 39], Operations: ['14-13=1', '60-21=39'] Exploring Operation: 1*39=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[14, 60, 21, 13], Operations: [] Exploring Operation: 60-14=46, Resulting Numbers: [21, 13, 46] Generated Node #0,0: 39:[21, 13, 46] Operation: 60-14=46 Exploring Operation: 60-21=39, Resulting Numbers: [14, 13, 39] Generated Node #0,1: 39:[14, 13, 39] Operation: 60-21=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[14, 13, 39], Operations: ['60-21=39'] Exploring Operation: 14-13=1, Resulting Numbers: [39, 1] Generated Node #0,1,0: 39:[39, 1] Operation: 14-13=1 Exploring Operation: 39/13=3, Resulting Numbers: [14, 3] Generated Node #0,1,1: 39:[14, 3] Operation: 39/13=3 Moving to Node #0,1,1 Current State: 39:[14, 3], Operations: ['60-21=39', '39/13=3'] Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[39, 1], Operations: ['60-21=39', '14-13=1'] Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[14, 60, 21, 13], Operations: [] Exploring Operation: 60-21=39, Resulting Numbers: [14, 13, 39] Generated Node #0,1: 39:[14, 13, 39] Operation: 60-21=39 Moving to Node #0,1 Current State: 39:[14, 13, 39], Operations: ['60-21=39'] Exploring Operation: 14-13=1, Resulting Numbers: [39, 1] Generated Node #0,1,0: 39:[39, 1] Operation: 14-13=1 Moving to Node #0,1,0 Current State: 39:[39, 1], Operations: ['60-21=39', '14-13=1'] Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 68, 27, 30, 33 ]
34
[ "68*30=2040", "27+33=60", "2040/60=34" ]
Current State: 34:[68, 27, 30, 33], Operations: [] Exploring Operation: 68*30=2040, Resulting Numbers: [27, 33, 2040] Generated Node #2: [27, 33, 2040] from Operation: 68*30=2040 Current State: 34:[27, 33, 2040], Operations: ['68*30=2040'] Exploring Operation: 27+33=60, Resulting Numbers: [2040, 60] Generated Node #3: [2040, 60] from Operation: 27+33=60 Current State: 34:[2040, 60], Operations: ['68*30=2040', '27+33=60'] Exploring Operation: 2040/60=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[68, 27, 30, 33], Operations: [] Exploring Operation: 68-30=38, Resulting Numbers: [27, 33, 38] Generated Node #0,0: 34:[27, 33, 38] Operation: 68-30=38 Exploring Operation: 68-27=41, Resulting Numbers: [30, 33, 41] Generated Node #0,1: 34:[30, 33, 41] Operation: 68-27=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[27, 33, 38], Operations: ['68-30=38'] Exploring Operation: 38-27=11, Resulting Numbers: [33, 11] Generated Node #0,0,0: 34:[33, 11] Operation: 38-27=11 Exploring Operation: 33-27=6, Resulting Numbers: [38, 6] Generated Node #0,0,1: 34:[38, 6] Operation: 33-27=6 Moving to Node #0,0,0 Current State: 34:[33, 11], Operations: ['68-30=38', '38-27=11'] Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[38, 6], Operations: ['68-30=38', '33-27=6'] Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,34 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[30, 33, 41], Operations: ['68-27=41'] Exploring Operation: 41-30=11, Resulting Numbers: [33, 11] Generated Node #0,1,0: 34:[33, 11] Operation: 41-30=11 Exploring Operation: 33-30=3, Resulting Numbers: [41, 3] Generated Node #0,1,1: 34:[41, 3] Operation: 33-30=3 Moving to Node #0,1,0 Current State: 34:[33, 11], Operations: ['68-27=41', '41-30=11'] Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,34 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[41, 3], Operations: ['68-27=41', '33-30=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,34 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,34 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
[ 5, 92, 46, 23 ]
14
[ "5*46=230", "92+230=322", "322/23=14" ]
Current State: 14:[5, 92, 46, 23], Operations: [] Exploring Operation: 5*46=230, Resulting Numbers: [92, 23, 230] Generated Node #2: [92, 23, 230] from Operation: 5*46=230 Current State: 14:[92, 23, 230], Operations: ['5*46=230'] Exploring Operation: 92+230=322, Resulting Numbers: [23, 322] Generated Node #3: [23, 322] from Operation: 92+230=322 Current State: 14:[23, 322], Operations: ['5*46=230', '92+230=322'] Exploring Operation: 322/23=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[5, 92, 46, 23], Operations: [] Exploring Operation: 92/23=4, Resulting Numbers: [5, 46, 4] Generated Node #0,0: 14:[5, 46, 4] Operation: 92/23=4 Exploring Operation: 92/46=2, Resulting Numbers: [5, 23, 2] Generated Node #0,1: 14:[5, 23, 2] Operation: 92/46=2 Moving to Node #0,1 Current State: 14:[5, 23, 2], Operations: ['92/46=2'] Exploring Operation: 23-5=18, Resulting Numbers: [2, 18] Generated Node #0,1,0: 14:[2, 18] Operation: 23-5=18 Exploring Operation: 5+2=7, Resulting Numbers: [23, 7] Generated Node #0,1,1: 14:[23, 7] Operation: 5+2=7 Moving to Node #0,0 Current State: 14:[5, 46, 4], Operations: ['92/23=4'] Exploring Operation: 46-4=42, Resulting Numbers: [5, 42] Generated Node #0,0,0: 14:[5, 42] Operation: 46-4=42 Exploring Operation: 46-5=41, Resulting Numbers: [4, 41] Generated Node #0,0,1: 14:[4, 41] Operation: 46-5=41 Moving to Node #0,1,0 Current State: 14:[2, 18], Operations: ['92/46=2', '23-5=18'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[23, 7], Operations: ['92/46=2', '5+2=7'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,14 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[4, 41], Operations: ['92/23=4', '46-5=41'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,14 unequal: No Solution Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[5, 42], Operations: ['92/23=4', '46-4=42'] Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,14 unequal: No Solution Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,14 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 13, 7, 36, 18 ]
25
[ "13+36=49", "49/7=7", "18+7=25" ]
Current State: 25:[13, 7, 36, 18], Operations: [] Exploring Operation: 13+36=49, Resulting Numbers: [7, 18, 49] Generated Node #2: [7, 18, 49] from Operation: 13+36=49 Current State: 25:[7, 18, 49], Operations: ['13+36=49'] Exploring Operation: 49/7=7, Resulting Numbers: [18, 7] Generated Node #3: [18, 7] from Operation: 49/7=7 Current State: 25:[18, 7], Operations: ['13+36=49', '49/7=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[13, 7, 36, 18], Operations: [] Exploring Operation: 36-18=18, Resulting Numbers: [13, 7, 18] Generated Node #0,0: 25:[13, 7, 18] Operation: 36-18=18 Exploring Operation: 36-13=23, Resulting Numbers: [7, 18, 23] Generated Node #0,1: 25:[7, 18, 23] Operation: 36-13=23 Exploring Operation: 36/18=2, Resulting Numbers: [13, 7, 2] Generated Node #0,2: 25:[13, 7, 2] Operation: 36/18=2 Exploring Operation: 18-13=5, Resulting Numbers: [7, 36, 5] Generated Node #0,3: 25:[7, 36, 5] Operation: 18-13=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[7, 18, 23], Operations: ['36-13=23'] Exploring Operation: 23-18=5, Resulting Numbers: [7, 5] Generated Node #0,1,0: 25:[7, 5] Operation: 23-18=5 Exploring Operation: 7+23=30, Resulting Numbers: [18, 30] Generated Node #0,1,1: 25:[18, 30] Operation: 7+23=30 Exploring Operation: 18-7=11, Resulting Numbers: [23, 11] Generated Node #0,1,2: 25:[23, 11] Operation: 18-7=11 Exploring Operation: 7+18=25, Resulting Numbers: [23, 25] Generated Node #0,1,3: 25:[23, 25] Operation: 7+18=25 Moving to Node #0,1,0 Current State: 25:[7, 5], Operations: ['36-13=23', '23-18=5'] Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,25 unequal: No Solution Moving to Node #0,1,3 Current State: 25:[23, 25], Operations: ['36-13=23', '7+18=25'] Exploring Operation: 23+25=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 23*25=575, Resulting Numbers: [575] 575,25 unequal: No Solution Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,25 unequal: No Solution Moving to Node #0,1,2 Current State: 25:[23, 11], Operations: ['36-13=23', '18-7=11'] Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,25 unequal: No Solution Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[18, 30], Operations: ['36-13=23', '7+23=30'] Exploring Operation: 18*30=540, Resulting Numbers: [540] 540,25 unequal: No Solution Exploring Operation: 18+30=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[13, 7, 2], Operations: ['36/18=2'] Exploring Operation: 13-7=6, Resulting Numbers: [2, 6] Generated Node #0,2,0: 25:[2, 6] Operation: 13-7=6 Exploring Operation: 13*2=26, Resulting Numbers: [7, 26] Generated Node #0,2,1: 25:[7, 26] Operation: 13*2=26 Exploring Operation: 13-2=11, Resulting Numbers: [7, 11] Generated Node #0,2,2: 25:[7, 11] Operation: 13-2=11 Exploring Operation: 13+7=20, Resulting Numbers: [2, 20] Generated Node #0,2,3: 25:[2, 20] Operation: 13+7=20 Moving to Node #0,2,1 Current State: 25:[7, 26], Operations: ['36/18=2', '13*2=26'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,25 unequal: No Solution Exploring Operation: 7+26=33, Resulting Numbers: [33] 33,25 unequal: No Solution Exploring Operation: 7*26=182, Resulting Numbers: [182] 182,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[2, 6], Operations: ['36/18=2', '13-7=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[2, 20], Operations: ['36/18=2', '13+7=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,25 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[7, 11], Operations: ['36/18=2', '13-2=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,25 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,25 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 #0,3 Current State: 25:[7, 36, 5], Operations: ['18-13=5'] Exploring Operation: 7+36=43, Resulting Numbers: [5, 43] Generated Node #0,3,0: 25:[5, 43] Operation: 7+36=43 Exploring Operation: 36-5=31, Resulting Numbers: [7, 31] Generated Node #0,3,1: 25:[7, 31] Operation: 36-5=31 Exploring Operation: 7-5=2, Resulting Numbers: [36, 2] Generated Node #0,3,2: 25:[36, 2] Operation: 7-5=2 Exploring Operation: 36-7=29, Resulting Numbers: [5, 29] Generated Node #0,3,3: 25:[5, 29] Operation: 36-7=29 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 25:[5, 29], Operations: ['18-13=5', '36-7=29'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 25:[7, 31], Operations: ['18-13=5', '36-5=31'] Exploring Operation: 7*31=217, Resulting Numbers: [217] 217,25 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 25:[36, 2], Operations: ['18-13=5', '7-5=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 25:[5, 43], Operations: ['18-13=5', '7+36=43'] Exploring Operation: 5*43=215, Resulting Numbers: [215] 215,25 unequal: No Solution Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 5+43=48, Resulting Numbers: [48] 48,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[13, 7, 18], Operations: ['36-18=18'] Exploring Operation: 7+18=25, Resulting Numbers: [13, 25] Generated Node #0,0,0: 25:[13, 25] Operation: 7+18=25 Exploring Operation: 18-13=5, Resulting Numbers: [7, 5] Generated Node #0,0,1: 25:[7, 5] Operation: 18-13=5 Exploring Operation: 13-7=6, Resulting Numbers: [18, 6] Generated Node #0,0,2: 25:[18, 6] Operation: 13-7=6 Exploring Operation: 13+18=31, Resulting Numbers: [7, 31] Generated Node #0,0,3: 25:[7, 31] Operation: 13+18=31 Moving to Node #0,0,1 Current State: 25:[7, 5], Operations: ['36-18=18', '18-13=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[18, 6], Operations: ['36-18=18', '13-7=6'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[13, 25], Operations: ['36-18=18', '7+18=25'] Exploring Operation: 13*25=325, Resulting Numbers: [325] 325,25 unequal: No Solution Exploring Operation: 13+25=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,25 unequal: No Solution Moving to Node #0,0,3 Current State: 25:[7, 31], Operations: ['36-18=18', '13+18=31'] Exploring Operation: 7*31=217, Resulting Numbers: [217] 217,25 unequal: No Solution Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,25 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
[ 58, 49, 11, 58 ]
61
[ "58/58=1", "49+11=60", "1+60=61" ]
Current State: 61:[58, 49, 11, 58], Operations: [] Exploring Operation: 58/58=1, Resulting Numbers: [49, 11, 1] Generated Node #2: [49, 11, 1] from Operation: 58/58=1 Current State: 61:[49, 11, 1], Operations: ['58/58=1'] Exploring Operation: 49+11=60, Resulting Numbers: [1, 60] Generated Node #3: [1, 60] from Operation: 49+11=60 Current State: 61:[1, 60], Operations: ['58/58=1', '49+11=60'] Exploring Operation: 1+60=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[58, 49, 11, 58], Operations: [] Exploring Operation: 11+58=69, Resulting Numbers: [58, 49, 69] Generated Node #0,0: 61:[58, 49, 69] Operation: 11+58=69 Exploring Operation: 49+11=60, Resulting Numbers: [58, 58, 60] Generated Node #0,1: 61:[58, 58, 60] Operation: 49+11=60 Exploring Operation: 58+11=69, Resulting Numbers: [49, 58, 69] Generated Node #0,2: 61:[49, 58, 69] Operation: 58+11=69 Moving to Node #0,1 Current State: 61:[58, 58, 60], Operations: ['49+11=60'] Exploring Operation: 58+58=116, Resulting Numbers: [60, 116] Generated Node #0,1,0: 61:[60, 116] Operation: 58+58=116 Exploring Operation: 58+60=118, Resulting Numbers: [58, 118] Generated Node #0,1,1: 61:[58, 118] Operation: 58+60=118 Exploring Operation: 58+60=118, Resulting Numbers: [58, 118] Generated Node #0,1,2: 61:[58, 118] Operation: 58+60=118 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[60, 116], Operations: ['49+11=60', '58+58=116'] Exploring Operation: 60*116=6960, Resulting Numbers: [6960] 6960,61 unequal: No Solution Exploring Operation: 116-60=56, Resulting Numbers: [56] 56,61 unequal: No Solution Exploring Operation: 60+116=176, Resulting Numbers: [176] 176,61 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 #0,1,1 Current State: 61:[58, 118], Operations: ['49+11=60', '58+60=118'] Exploring Operation: 118-58=60, Resulting Numbers: [60] 60,61 unequal: No Solution Exploring Operation: 58*118=6844, Resulting Numbers: [6844] 6844,61 unequal: No Solution Exploring Operation: 58+118=176, Resulting Numbers: [176] 176,61 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:[58, 118], Operations: ['49+11=60', '58+60=118'] Exploring Operation: 58*118=6844, Resulting Numbers: [6844] 6844,61 unequal: No Solution Exploring Operation: 118-58=60, Resulting Numbers: [60] 60,61 unequal: No Solution Exploring Operation: 58+118=176, Resulting Numbers: [176] 176,61 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: 61:[58, 49, 69], Operations: ['11+58=69'] Exploring Operation: 58+49=107, Resulting Numbers: [69, 107] Generated Node #0,0,0: 61:[69, 107] Operation: 58+49=107 Exploring Operation: 69-49=20, Resulting Numbers: [58, 20] Generated Node #0,0,1: 61:[58, 20] Operation: 69-49=20 Exploring Operation: 58-49=9, Resulting Numbers: [69, 9] Generated Node #0,0,2: 61:[69, 9] Operation: 58-49=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[58, 20], Operations: ['11+58=69', '69-49=20'] Exploring Operation: 58+20=78, Resulting Numbers: [78] 78,61 unequal: No Solution Exploring Operation: 58*20=1160, Resulting Numbers: [1160] 1160,61 unequal: No Solution Exploring Operation: 58-20=38, Resulting Numbers: [38] 38,61 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 #0,0,0 Current State: 61:[69, 107], Operations: ['11+58=69', '58+49=107'] Exploring Operation: 69+107=176, Resulting Numbers: [176] 176,61 unequal: No Solution Exploring Operation: 69*107=7383, Resulting Numbers: [7383] 7383,61 unequal: No Solution Exploring Operation: 107-69=38, Resulting Numbers: [38] 38,61 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 #0,0,2 Current State: 61:[69, 9], Operations: ['11+58=69', '58-49=9'] Exploring Operation: 69+9=78, Resulting Numbers: [78] 78,61 unequal: No Solution Exploring Operation: 69*9=621, Resulting Numbers: [621] 621,61 unequal: No Solution Exploring Operation: 69-9=60, Resulting Numbers: [60] 60,61 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: 61:[49, 58, 69], Operations: ['58+11=69'] Exploring Operation: 49+58=107, Resulting Numbers: [69, 107] Generated Node #0,2,0: 61:[69, 107] Operation: 49+58=107 Exploring Operation: 69-49=20, Resulting Numbers: [58, 20] Generated Node #0,2,1: 61:[58, 20] Operation: 69-49=20 Exploring Operation: 58-49=9, Resulting Numbers: [69, 9] Generated Node #0,2,2: 61:[69, 9] Operation: 58-49=9 Moving to Node #0,2,1 Current State: 61:[58, 20], Operations: ['58+11=69', '69-49=20'] Exploring Operation: 58+20=78, Resulting Numbers: [78] 78,61 unequal: No Solution Exploring Operation: 58-20=38, Resulting Numbers: [38] 38,61 unequal: No Solution Exploring Operation: 58*20=1160, Resulting Numbers: [1160] 1160,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[69, 107], Operations: ['58+11=69', '49+58=107'] Exploring Operation: 69*107=7383, Resulting Numbers: [7383] 7383,61 unequal: No Solution Exploring Operation: 107-69=38, Resulting Numbers: [38] 38,61 unequal: No Solution Exploring Operation: 69+107=176, Resulting Numbers: [176] 176,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[69, 9], Operations: ['58+11=69', '58-49=9'] Exploring Operation: 69*9=621, Resulting Numbers: [621] 621,61 unequal: No Solution Exploring Operation: 69-9=60, Resulting Numbers: [60] 60,61 unequal: No Solution Exploring Operation: 69+9=78, Resulting Numbers: [78] 78,61 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 20, 7, 50, 28 ]
18
[ "20+50=70", "70/7=10", "28-10=18" ]
Current State: 18:[20, 7, 50, 28], Operations: [] Exploring Operation: 20+50=70, Resulting Numbers: [7, 28, 70] Generated Node #2: [7, 28, 70] from Operation: 20+50=70 Current State: 18:[7, 28, 70], Operations: ['20+50=70'] Exploring Operation: 70/7=10, Resulting Numbers: [28, 10] Generated Node #3: [28, 10] from Operation: 70/7=10 Current State: 18:[28, 10], Operations: ['20+50=70', '70/7=10'] Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[20, 7, 50, 28], Operations: [] Exploring Operation: 50-28=22, Resulting Numbers: [20, 7, 22] Generated Node #0,0: 18:[20, 7, 22] Operation: 50-28=22 Exploring Operation: 50-20=30, Resulting Numbers: [7, 28, 30] Generated Node #0,1: 18:[7, 28, 30] Operation: 50-20=30 Exploring Operation: 28-20=8, Resulting Numbers: [7, 50, 8] Generated Node #0,2: 18:[7, 50, 8] Operation: 28-20=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[20, 7, 22], Operations: ['50-28=22'] Exploring Operation: 22-20=2, Resulting Numbers: [7, 2] Generated Node #0,0,0: 18:[7, 2] Operation: 22-20=2 Exploring Operation: 20-7=13, Resulting Numbers: [22, 13] Generated Node #0,0,1: 18:[22, 13] Operation: 20-7=13 Exploring Operation: 22-7=15, Resulting Numbers: [20, 15] Generated Node #0,0,2: 18:[20, 15] Operation: 22-7=15 Moving to Node #0,0,0 Current State: 18:[7, 2], Operations: ['50-28=22', '22-20=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,18 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[20, 15], Operations: ['50-28=22', '22-7=15'] Exploring Operation: 20*15=300, Resulting Numbers: [300] 300,18 unequal: No Solution Exploring Operation: 20+15=35, Resulting Numbers: [35] 35,18 unequal: No Solution Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[22, 13], Operations: ['50-28=22', '20-7=13'] Exploring Operation: 22*13=286, Resulting Numbers: [286] 286,18 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,18 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 #0,1 Current State: 18:[7, 28, 30], Operations: ['50-20=30'] Exploring Operation: 28-7=21, Resulting Numbers: [30, 21] Generated Node #0,1,0: 18:[30, 21] Operation: 28-7=21 Exploring Operation: 28/7=4, Resulting Numbers: [30, 4] Generated Node #0,1,1: 18:[30, 4] Operation: 28/7=4 Exploring Operation: 30-28=2, Resulting Numbers: [7, 2] Generated Node #0,1,2: 18:[7, 2] Operation: 30-28=2 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 18:[7, 2], Operations: ['50-20=30', '30-28=2'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,18 unequal: No Solution No 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: 18:[30, 4], Operations: ['50-20=30', '28/7=4'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,18 unequal: No Solution Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,18 unequal: No Solution No 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: 18:[30, 21], Operations: ['50-20=30', '28-7=21'] Exploring Operation: 30+21=51, Resulting Numbers: [51] 51,18 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 30*21=630, Resulting Numbers: [630] 630,18 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: 18:[7, 50, 8], Operations: ['28-20=8'] Exploring Operation: 50-7=43, Resulting Numbers: [8, 43] Generated Node #0,2,0: 18:[8, 43] Operation: 50-7=43 Exploring Operation: 50-8=42, Resulting Numbers: [7, 42] Generated Node #0,2,1: 18:[7, 42] Operation: 50-8=42 Exploring Operation: 8-7=1, Resulting Numbers: [50, 1] Generated Node #0,2,2: 18:[50, 1] Operation: 8-7=1 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 18:[7, 42], Operations: ['28-20=8', '50-8=42'] Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,18 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,18 unequal: No Solution Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,18 unequal: No Solution No 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: 18:[8, 43], Operations: ['28-20=8', '50-7=43'] Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,18 unequal: No Solution Exploring Operation: 8*43=344, Resulting Numbers: [344] 344,18 unequal: No Solution Exploring Operation: 8+43=51, Resulting Numbers: [51] 51,18 unequal: No Solution No 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: 18:[50, 1], Operations: ['28-20=8', '8-7=1'] Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,18 unequal: No Solution Exploring Operation: 50/1=50, Resulting Numbers: [50] 50,18 unequal: No Solution Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 42, 3, 99, 49 ]
89
[ "42-3=39", "99-49=50", "39+50=89" ]
Current State: 89:[42, 3, 99, 49], Operations: [] Exploring Operation: 42-3=39, Resulting Numbers: [99, 49, 39] Generated Node #2: [99, 49, 39] from Operation: 42-3=39 Current State: 89:[99, 49, 39], Operations: ['42-3=39'] Exploring Operation: 99-49=50, Resulting Numbers: [39, 50] Generated Node #3: [39, 50] from Operation: 99-49=50 Current State: 89:[39, 50], Operations: ['42-3=39', '99-49=50'] Exploring Operation: 39+50=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[42, 3, 99, 49], Operations: [] Exploring Operation: 42*3=126, Resulting Numbers: [99, 49, 126] Generated Node #0,0: 89:[99, 49, 126] Operation: 42*3=126 Exploring Operation: 42+3=45, Resulting Numbers: [99, 49, 45] Generated Node #0,1: 89:[99, 49, 45] Operation: 42+3=45 Moving to Node #0,0 Current State: 89:[99, 49, 126], Operations: ['42*3=126'] Exploring Operation: 99-49=50, Resulting Numbers: [126, 50] Generated Node #0,0,0: 89:[126, 50] Operation: 99-49=50 Exploring Operation: 126-49=77, Resulting Numbers: [99, 77] Generated Node #0,0,1: 89:[99, 77] Operation: 126-49=77 Moving to Node #0,1 Current State: 89:[99, 49, 45], Operations: ['42+3=45'] Exploring Operation: 49+45=94, Resulting Numbers: [99, 94] Generated Node #0,1,0: 89:[99, 94] Operation: 49+45=94 Exploring Operation: 99-45=54, Resulting Numbers: [49, 54] Generated Node #0,1,1: 89:[49, 54] Operation: 99-45=54 Moving to Node #0,1,0 Current State: 89:[99, 94], Operations: ['42+3=45', '49+45=94'] Exploring Operation: 99-94=5, Resulting Numbers: [5] 5,89 unequal: No Solution Exploring Operation: 99+94=193, Resulting Numbers: [193] 193,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[99, 77], Operations: ['42*3=126', '126-49=77'] Exploring Operation: 99-77=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 99+77=176, Resulting Numbers: [176] 176,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[49, 54], Operations: ['42+3=45', '99-45=54'] Exploring Operation: 49+54=103, Resulting Numbers: [103] 103,89 unequal: No Solution Exploring Operation: 54-49=5, Resulting Numbers: [5] 5,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[126, 50], Operations: ['42*3=126', '99-49=50'] Exploring Operation: 126+50=176, Resulting Numbers: [176] 176,89 unequal: No Solution Exploring Operation: 126-50=76, Resulting Numbers: [76] 76,89 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 49, 14, 7, 94 ]
53
[ "94-49=45", "14*7=98", "98-45=53" ]
Current State: 53:[49, 14, 7, 94], Operations: [] Exploring Operation: 94-49=45, Resulting Numbers: [14, 7, 45] Generated Node #2: [14, 7, 45] from Operation: 94-49=45 Current State: 53:[14, 7, 45], Operations: ['94-49=45'] Exploring Operation: 14*7=98, Resulting Numbers: [45, 98] Generated Node #3: [45, 98] from Operation: 14*7=98 Current State: 53:[45, 98], Operations: ['94-49=45', '14*7=98'] Exploring Operation: 98-45=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[49, 14, 7, 94], Operations: [] Exploring Operation: 94-14=80, Resulting Numbers: [49, 7, 80] Generated Node #0,0: 53:[49, 7, 80] Operation: 94-14=80 Exploring Operation: 94-7=87, Resulting Numbers: [49, 14, 87] Generated Node #0,1: 53:[49, 14, 87] Operation: 94-7=87 Exploring Operation: 14+7=21, Resulting Numbers: [49, 94, 21] Generated Node #0,2: 53:[49, 94, 21] Operation: 14+7=21 Moving to Node #0,0 Current State: 53:[49, 7, 80], Operations: ['94-14=80'] Exploring Operation: 80-7=73, Resulting Numbers: [49, 73] Generated Node #0,0,0: 53:[49, 73] Operation: 80-7=73 Exploring Operation: 49-7=42, Resulting Numbers: [80, 42] Generated Node #0,0,1: 53:[80, 42] Operation: 49-7=42 Exploring Operation: 49+7=56, Resulting Numbers: [80, 56] Generated Node #0,0,2: 53:[80, 56] Operation: 49+7=56 Moving to Node #0,1 Current State: 53:[49, 14, 87], Operations: ['94-7=87'] Exploring Operation: 49+14=63, Resulting Numbers: [87, 63] Generated Node #0,1,0: 53:[87, 63] Operation: 49+14=63 Exploring Operation: 87-14=73, Resulting Numbers: [49, 73] Generated Node #0,1,1: 53:[49, 73] Operation: 87-14=73 Exploring Operation: 49-14=35, Resulting Numbers: [87, 35] Generated Node #0,1,2: 53:[87, 35] Operation: 49-14=35 Moving to Node #0,2 Current State: 53:[49, 94, 21], Operations: ['14+7=21'] Exploring Operation: 49+21=70, Resulting Numbers: [94, 70] Generated Node #0,2,0: 53:[94, 70] Operation: 49+21=70 Exploring Operation: 94-21=73, Resulting Numbers: [49, 73] Generated Node #0,2,1: 53:[49, 73] Operation: 94-21=73 Exploring Operation: 94-49=45, Resulting Numbers: [21, 45] Generated Node #0,2,2: 53:[21, 45] Operation: 94-49=45 Moving to Node #0,0,0 Current State: 53:[49, 73], Operations: ['94-14=80', '80-7=73'] Exploring Operation: 73-49=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 49+73=122, Resulting Numbers: [122] 122,53 unequal: No Solution Exploring Operation: 49*73=3577, Resulting Numbers: [3577] 3577,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[49, 73], Operations: ['14+7=21', '94-21=73'] Exploring Operation: 73-49=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 49+73=122, Resulting Numbers: [122] 122,53 unequal: No Solution Exploring Operation: 49*73=3577, Resulting Numbers: [3577] 3577,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[49, 73], Operations: ['94-7=87', '87-14=73'] Exploring Operation: 49+73=122, Resulting Numbers: [122] 122,53 unequal: No Solution Exploring Operation: 73-49=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 49*73=3577, Resulting Numbers: [3577] 3577,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[80, 56], Operations: ['94-14=80', '49+7=56'] Exploring Operation: 80-56=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 80*56=4480, Resulting Numbers: [4480] 4480,53 unequal: No Solution Exploring Operation: 80+56=136, Resulting Numbers: [136] 136,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[80, 42], Operations: ['94-14=80', '49-7=42'] Exploring Operation: 80-42=38, Resulting Numbers: [38] 38,53 unequal: No Solution Exploring Operation: 80+42=122, Resulting Numbers: [122] 122,53 unequal: No Solution Exploring Operation: 80*42=3360, Resulting Numbers: [3360] 3360,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[21, 45], Operations: ['14+7=21', '94-49=45'] Exploring Operation: 21*45=945, Resulting Numbers: [945] 945,53 unequal: No Solution Exploring Operation: 21+45=66, Resulting Numbers: [66] 66,53 unequal: No Solution Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[87, 63], Operations: ['94-7=87', '49+14=63'] Exploring Operation: 87-63=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 87*63=5481, Resulting Numbers: [5481] 5481,53 unequal: No Solution Exploring Operation: 87+63=150, Resulting Numbers: [150] 150,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[87, 35], Operations: ['94-7=87', '49-14=35'] Exploring Operation: 87+35=122, Resulting Numbers: [122] 122,53 unequal: No Solution Exploring Operation: 87-35=52, Resulting Numbers: [52] 52,53 unequal: No Solution Exploring Operation: 87*35=3045, Resulting Numbers: [3045] 3045,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[94, 70], Operations: ['14+7=21', '49+21=70'] Exploring Operation: 94+70=164, Resulting Numbers: [164] 164,53 unequal: No Solution Exploring Operation: 94*70=6580, Resulting Numbers: [6580] 6580,53 unequal: No Solution Exploring Operation: 94-70=24, Resulting Numbers: [24] 24,53 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 24, 26, 44, 69 ]
50
[ "26-24=2", "69-44=25", "2*25=50" ]
Current State: 50:[24, 26, 44, 69], Operations: [] Exploring Operation: 26-24=2, Resulting Numbers: [44, 69, 2] Generated Node #2: [44, 69, 2] from Operation: 26-24=2 Current State: 50:[44, 69, 2], Operations: ['26-24=2'] Exploring Operation: 69-44=25, Resulting Numbers: [2, 25] Generated Node #3: [2, 25] from Operation: 69-44=25 Current State: 50:[2, 25], Operations: ['26-24=2', '69-44=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[24, 26, 44, 69], Operations: [] Exploring Operation: 69-44=25, Resulting Numbers: [24, 26, 25] Generated Node #0,0: 50:[24, 26, 25] Operation: 69-44=25 Exploring Operation: 69-24=45, Resulting Numbers: [26, 44, 45] Generated Node #0,1: 50:[26, 44, 45] Operation: 69-24=45 Moving to Node #0,0 Current State: 50:[24, 26, 25], Operations: ['69-44=25'] Exploring Operation: 24+26=50, Resulting Numbers: [25, 50] Generated Node #0,0,0: 50:[25, 50] Operation: 24+26=50 Exploring Operation: 26-24=2, Resulting Numbers: [25, 2] Generated Node #0,0,1: 50:[25, 2] Operation: 26-24=2 Moving to Node #0,1 Current State: 50:[26, 44, 45], Operations: ['69-24=45'] Exploring Operation: 44-26=18, Resulting Numbers: [45, 18] Generated Node #0,1,0: 50:[45, 18] Operation: 44-26=18 Exploring Operation: 45-44=1, Resulting Numbers: [26, 1] Generated Node #0,1,1: 50:[26, 1] Operation: 45-44=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[26, 1], Operations: ['69-24=45', '45-44=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,50 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,50 unequal: No Solution No 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: 50:[45, 18], Operations: ['69-24=45', '44-26=18'] Exploring Operation: 45+18=63, Resulting Numbers: [63] 63,50 unequal: No Solution Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,50 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: 50:[25, 50], Operations: ['69-44=25', '24+26=50'] Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[25, 2], Operations: ['69-44=25', '26-24=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[24, 26, 44, 69], Operations: [] Exploring Operation: 69-44=25, Resulting Numbers: [24, 26, 25] Generated Node #0,0: 50:[24, 26, 25] Operation: 69-44=25 Moving to Node #0,0 Current State: 50:[24, 26, 25], Operations: ['69-44=25'] Exploring Operation: 26-24=2, Resulting Numbers: [25, 2] Generated Node #0,0,1: 50:[25, 2] Operation: 26-24=2 Moving to Node #0,0,1 Current State: 50:[25, 2], Operations: ['69-44=25', '26-24=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 5, 58, 2, 56 ]
17
[ "58/2=29", "56+29=85", "85/5=17" ]
Current State: 17:[5, 58, 2, 56], Operations: [] Exploring Operation: 58/2=29, Resulting Numbers: [5, 56, 29] Generated Node #2: [5, 56, 29] from Operation: 58/2=29 Current State: 17:[5, 56, 29], Operations: ['58/2=29'] Exploring Operation: 56+29=85, Resulting Numbers: [5, 85] Generated Node #3: [5, 85] from Operation: 56+29=85 Current State: 17:[5, 85], Operations: ['58/2=29', '56+29=85'] Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[5, 58, 2, 56], Operations: [] Exploring Operation: 58-56=2, Resulting Numbers: [5, 2, 2] Generated Node #0,0: 17:[5, 2, 2] Operation: 58-56=2 Moving to Node #0,0 Current State: 17:[5, 2, 2], Operations: ['58-56=2'] Exploring Operation: 5*2=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 17:[2, 10] Operation: 5*2=10 Moving to Node #0,0,0 Current State: 17:[2, 10], Operations: ['58-56=2', '5*2=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,17 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 50, 61, 24, 65 ]
30
[ "61-50=11", "65-24=41", "41-11=30" ]
Current State: 30:[50, 61, 24, 65], Operations: [] Exploring Operation: 61-50=11, Resulting Numbers: [24, 65, 11] Generated Node #2: [24, 65, 11] from Operation: 61-50=11 Current State: 30:[24, 65, 11], Operations: ['61-50=11'] Exploring Operation: 65-24=41, Resulting Numbers: [11, 41] Generated Node #3: [11, 41] from Operation: 65-24=41 Current State: 30:[11, 41], Operations: ['61-50=11', '65-24=41'] Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[50, 61, 24, 65], Operations: [] Exploring Operation: 65-61=4, Resulting Numbers: [50, 24, 4] Generated Node #0,0: 30:[50, 24, 4] Operation: 65-61=4 Exploring Operation: 65-50=15, Resulting Numbers: [61, 24, 15] Generated Node #0,1: 30:[61, 24, 15] Operation: 65-50=15 Exploring Operation: 61-24=37, Resulting Numbers: [50, 65, 37] Generated Node #0,2: 30:[50, 65, 37] Operation: 61-24=37 Exploring Operation: 61-50=11, Resulting Numbers: [24, 65, 11] Generated Node #0,3: 30:[24, 65, 11] Operation: 61-50=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[50, 24, 4], Operations: ['65-61=4'] Exploring Operation: 24+4=28, Resulting Numbers: [50, 28] Generated Node #0,0,0: 30:[50, 28] Operation: 24+4=28 Exploring Operation: 50-24=26, Resulting Numbers: [4, 26] Generated Node #0,0,1: 30:[4, 26] Operation: 50-24=26 Exploring Operation: 50-4=46, Resulting Numbers: [24, 46] Generated Node #0,0,2: 30:[24, 46] Operation: 50-4=46 Exploring Operation: 24/4=6, Resulting Numbers: [50, 6] Generated Node #0,0,3: 30:[50, 6] Operation: 24/4=6 Moving to Node #0,0,1 Current State: 30:[4, 26], Operations: ['65-61=4', '50-24=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,30 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[50, 61, 24, 65], Operations: [] Exploring Operation: 65-61=4, Resulting Numbers: [50, 24, 4] Generated Node #0,0: 30:[50, 24, 4] Operation: 65-61=4 Moving to Node #0,0 Current State: 30:[50, 24, 4], Operations: ['65-61=4'] Exploring Operation: 50-24=26, Resulting Numbers: [4, 26] Generated Node #0,0,1: 30:[4, 26] Operation: 50-24=26 Moving to Node #0,0,1 Current State: 30:[4, 26], Operations: ['65-61=4', '50-24=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 2, 85, 6, 16 ]
22
[ "6*16=96", "96-85=11", "2*11=22" ]
Current State: 22:[2, 85, 6, 16], Operations: [] Exploring Operation: 6*16=96, Resulting Numbers: [2, 85, 96] Generated Node #2: [2, 85, 96] from Operation: 6*16=96 Current State: 22:[2, 85, 96], Operations: ['6*16=96'] Exploring Operation: 96-85=11, Resulting Numbers: [2, 11] Generated Node #3: [2, 11] from Operation: 96-85=11 Current State: 22:[2, 11], Operations: ['6*16=96', '96-85=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[2, 85, 6, 16], Operations: [] Exploring Operation: 6+16=22, Resulting Numbers: [2, 85, 22] Generated Node #0,0: 22:[2, 85, 22] Operation: 6+16=22 Exploring Operation: 85-16=69, Resulting Numbers: [2, 6, 69] Generated Node #0,1: 22:[2, 6, 69] Operation: 85-16=69 Exploring Operation: 85-6=79, Resulting Numbers: [2, 16, 79] Generated Node #0,2: 22:[2, 16, 79] Operation: 85-6=79 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[2, 6, 69], Operations: ['85-16=69'] Exploring Operation: 69-6=63, Resulting Numbers: [2, 63] Generated Node #0,1,0: 22:[2, 63] Operation: 69-6=63 Exploring Operation: 2*6=12, Resulting Numbers: [69, 12] Generated Node #0,1,1: 22:[69, 12] Operation: 2*6=12 Exploring Operation: 6/2=3, Resulting Numbers: [69, 3] Generated Node #0,1,2: 22:[69, 3] Operation: 6/2=3 Moving to Node #0,1,0 Current State: 22:[2, 63], Operations: ['85-16=69', '69-6=63'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,22 unequal: No Solution Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,22 unequal: No Solution Exploring Operation: 2*63=126, Resulting Numbers: [126] 126,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[69, 12], Operations: ['85-16=69', '2*6=12'] Exploring Operation: 69-12=57, Resulting Numbers: [57] 57,22 unequal: No Solution Exploring Operation: 69*12=828, Resulting Numbers: [828] 828,22 unequal: No Solution Exploring Operation: 69+12=81, Resulting Numbers: [81] 81,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[69, 3], Operations: ['85-16=69', '6/2=3'] Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,22 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,22 unequal: No Solution Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[2, 16, 79], Operations: ['85-6=79'] Exploring Operation: 16/2=8, Resulting Numbers: [79, 8] Generated Node #0,2,0: 22:[79, 8] Operation: 16/2=8 Exploring Operation: 16-2=14, Resulting Numbers: [79, 14] Generated Node #0,2,1: 22:[79, 14] Operation: 16-2=14 Exploring Operation: 79-16=63, Resulting Numbers: [2, 63] Generated Node #0,2,2: 22:[2, 63] Operation: 79-16=63 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 22:[2, 63], Operations: ['85-6=79', '79-16=63'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,22 unequal: No Solution Exploring Operation: 2*63=126, Resulting Numbers: [126] 126,22 unequal: No Solution Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 22:[79, 8], Operations: ['85-6=79', '16/2=8'] Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,22 unequal: No Solution Exploring Operation: 79-8=71, Resulting Numbers: [71] 71,22 unequal: No Solution Exploring Operation: 79*8=632, Resulting Numbers: [632] 632,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 22:[79, 14], Operations: ['85-6=79', '16-2=14'] Exploring Operation: 79-14=65, Resulting Numbers: [65] 65,22 unequal: No Solution Exploring Operation: 79*14=1106, Resulting Numbers: [1106] 1106,22 unequal: No Solution Exploring Operation: 79+14=93, Resulting Numbers: [93] 93,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[2, 85, 22], Operations: ['6+16=22'] Exploring Operation: 22/2=11, Resulting Numbers: [85, 11] Generated Node #0,0,0: 22:[85, 11] Operation: 22/2=11 Exploring Operation: 85-22=63, Resulting Numbers: [2, 63] Generated Node #0,0,1: 22:[2, 63] Operation: 85-22=63 Exploring Operation: 85-2=83, Resulting Numbers: [22, 83] Generated Node #0,0,2: 22:[22, 83] Operation: 85-2=83 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 22:[2, 63], Operations: ['6+16=22', '85-22=63'] Exploring Operation: 2*63=126, Resulting Numbers: [126] 126,22 unequal: No Solution Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,22 unequal: No Solution Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 22:[22, 83], Operations: ['6+16=22', '85-2=83'] Exploring Operation: 22+83=105, Resulting Numbers: [105] 105,22 unequal: No Solution Exploring Operation: 22*83=1826, Resulting Numbers: [1826] 1826,22 unequal: No Solution Exploring Operation: 83-22=61, Resulting Numbers: [61] 61,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[85, 11], Operations: ['6+16=22', '22/2=11'] Exploring Operation: 85*11=935, Resulting Numbers: [935] 935,22 unequal: No Solution Exploring Operation: 85-11=74, Resulting Numbers: [74] 74,22 unequal: No Solution Exploring Operation: 85+11=96, Resulting Numbers: [96] 96,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 47, 51, 38, 56 ]
72
[ "51-47=4", "56-38=18", "4*18=72" ]
Current State: 72:[47, 51, 38, 56], Operations: [] Exploring Operation: 51-47=4, Resulting Numbers: [38, 56, 4] Generated Node #2: [38, 56, 4] from Operation: 51-47=4 Current State: 72:[38, 56, 4], Operations: ['51-47=4'] Exploring Operation: 56-38=18, Resulting Numbers: [4, 18] Generated Node #3: [4, 18] from Operation: 56-38=18 Current State: 72:[4, 18], Operations: ['51-47=4', '56-38=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[47, 51, 38, 56], Operations: [] Exploring Operation: 56-51=5, Resulting Numbers: [47, 38, 5] Generated Node #0,0: 72:[47, 38, 5] Operation: 56-51=5 Exploring Operation: 56-38=18, Resulting Numbers: [47, 51, 18] Generated Node #0,1: 72:[47, 51, 18] Operation: 56-38=18 Exploring Operation: 51-47=4, Resulting Numbers: [38, 56, 4] Generated Node #0,2: 72:[38, 56, 4] Operation: 51-47=4 Exploring Operation: 56-47=9, Resulting Numbers: [51, 38, 9] Generated Node #0,3: 72:[51, 38, 9] Operation: 56-47=9 Moving to Node #0,0 Current State: 72:[47, 38, 5], Operations: ['56-51=5'] Exploring Operation: 47-5=42, Resulting Numbers: [38, 42] Generated Node #0,0,0: 72:[38, 42] Operation: 47-5=42 Exploring Operation: 38-5=33, Resulting Numbers: [47, 33] Generated Node #0,0,1: 72:[47, 33] Operation: 38-5=33 Exploring Operation: 47+38=85, Resulting Numbers: [5, 85] Generated Node #0,0,2: 72:[5, 85] Operation: 47+38=85 Exploring Operation: 47-38=9, Resulting Numbers: [5, 9] Generated Node #0,0,3: 72:[5, 9] Operation: 47-38=9 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 72:[5, 9], Operations: ['56-51=5', '47-38=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,72 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[38, 42], Operations: ['56-51=5', '47-5=42'] Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 38*42=1596, Resulting Numbers: [1596] 1596,72 unequal: No Solution Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 72:[47, 33], Operations: ['56-51=5', '38-5=33'] Exploring Operation: 47+33=80, Resulting Numbers: [80] 80,72 unequal: No Solution Exploring Operation: 47*33=1551, Resulting Numbers: [1551] 1551,72 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 72:[5, 85], Operations: ['56-51=5', '47+38=85'] Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 5*85=425, Resulting Numbers: [425] 425,72 unequal: No Solution Exploring Operation: 85-5=80, Resulting Numbers: [80] 80,72 unequal: No Solution Exploring Operation: 5+85=90, Resulting Numbers: [90] 90,72 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: 72:[51, 38, 9], Operations: ['56-47=9'] Exploring Operation: 51+9=60, Resulting Numbers: [38, 60] Generated Node #0,3,0: 72:[38, 60] Operation: 51+9=60 Exploring Operation: 51-9=42, Resulting Numbers: [38, 42] Generated Node #0,3,1: 72:[38, 42] Operation: 51-9=42 Exploring Operation: 51-38=13, Resulting Numbers: [9, 13] Generated Node #0,3,2: 72:[9, 13] Operation: 51-38=13 Exploring Operation: 51+38=89, Resulting Numbers: [9, 89] Generated Node #0,3,3: 72:[9, 89] Operation: 51+38=89 Moving to Node #0,2 Current State: 72:[38, 56, 4], Operations: ['51-47=4'] Exploring Operation: 38-4=34, Resulting Numbers: [56, 34] Generated Node #0,2,0: 72:[56, 34] Operation: 38-4=34 Exploring Operation: 56+4=60, Resulting Numbers: [38, 60] Generated Node #0,2,1: 72:[38, 60] Operation: 56+4=60 Exploring Operation: 56/4=14, Resulting Numbers: [38, 14] Generated Node #0,2,2: 72:[38, 14] Operation: 56/4=14 Exploring Operation: 56-38=18, Resulting Numbers: [4, 18] Generated Node #0,2,3: 72:[4, 18] Operation: 56-38=18 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 72:[4, 18], Operations: ['51-47=4', '56-38=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[47, 51, 38, 56], Operations: [] Exploring Operation: 51-47=4, Resulting Numbers: [38, 56, 4] Generated Node #0,2: 72:[38, 56, 4] Operation: 51-47=4 Moving to Node #0,2 Current State: 72:[38, 56, 4], Operations: ['51-47=4'] Exploring Operation: 56-38=18, Resulting Numbers: [4, 18] Generated Node #0,2,3: 72:[4, 18] Operation: 56-38=18 Moving to Node #0,2,3 Current State: 72:[4, 18], Operations: ['51-47=4', '56-38=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
mult_heuristic
[ 29, 7, 54, 63 ]
92
[ "29+54=83", "63/7=9", "83+9=92" ]
Current State: 92:[29, 7, 54, 63], Operations: [] Exploring Operation: 29+54=83, Resulting Numbers: [7, 63, 83] Generated Node #2: [7, 63, 83] from Operation: 29+54=83 Current State: 92:[7, 63, 83], Operations: ['29+54=83'] Exploring Operation: 63/7=9, Resulting Numbers: [83, 9] Generated Node #3: [83, 9] from Operation: 63/7=9 Current State: 92:[83, 9], Operations: ['29+54=83', '63/7=9'] Exploring Operation: 83+9=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[29, 7, 54, 63], Operations: [] Exploring Operation: 29+63=92, Resulting Numbers: [7, 54, 92] Generated Node #0,0: 92:[7, 54, 92] Operation: 29+63=92 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[7, 54, 92], Operations: ['29+63=92'] Exploring Operation: 54-7=47, Resulting Numbers: [92, 47] Generated Node #0,0,0: 92:[92, 47] Operation: 54-7=47 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[92, 47], Operations: ['29+63=92', '54-7=47'] Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 54, 60, 51, 43 ]
20
[ "54+60=114", "51+43=94", "114-94=20" ]
Current State: 20:[54, 60, 51, 43], Operations: [] Exploring Operation: 54+60=114, Resulting Numbers: [51, 43, 114] Generated Node #2: [51, 43, 114] from Operation: 54+60=114 Current State: 20:[51, 43, 114], Operations: ['54+60=114'] Exploring Operation: 51+43=94, Resulting Numbers: [114, 94] Generated Node #3: [114, 94] from Operation: 51+43=94 Current State: 20:[114, 94], Operations: ['54+60=114', '51+43=94'] Exploring Operation: 114-94=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[54, 60, 51, 43], Operations: [] Exploring Operation: 60-54=6, Resulting Numbers: [51, 43, 6] Generated Node #0,0: 20:[51, 43, 6] Operation: 60-54=6 Exploring Operation: 54-51=3, Resulting Numbers: [60, 43, 3] Generated Node #0,1: 20:[60, 43, 3] Operation: 54-51=3 Exploring Operation: 60-51=9, Resulting Numbers: [54, 43, 9] Generated Node #0,2: 20:[54, 43, 9] Operation: 60-51=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[51, 43, 6], Operations: ['60-54=6'] Exploring Operation: 43-6=37, Resulting Numbers: [51, 37] Generated Node #0,0,0: 20:[51, 37] Operation: 43-6=37 Exploring Operation: 51-43=8, Resulting Numbers: [6, 8] Generated Node #0,0,1: 20:[6, 8] Operation: 51-43=8 Exploring Operation: 51-6=45, Resulting Numbers: [43, 45] Generated Node #0,0,2: 20:[43, 45] Operation: 51-6=45 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[6, 8], Operations: ['60-54=6', '51-43=8'] Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,20 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[51, 37], Operations: ['60-54=6', '43-6=37'] Exploring Operation: 51*37=1887, Resulting Numbers: [1887] 1887,20 unequal: No Solution Exploring Operation: 51-37=14, Resulting Numbers: [14] 14,20 unequal: No Solution Exploring Operation: 51+37=88, Resulting Numbers: [88] 88,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 20:[43, 45], Operations: ['60-54=6', '51-6=45'] Exploring Operation: 43*45=1935, Resulting Numbers: [1935] 1935,20 unequal: No Solution Exploring Operation: 43+45=88, Resulting Numbers: [88] 88,20 unequal: No Solution Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[54, 43, 9], Operations: ['60-51=9'] Exploring Operation: 54/9=6, Resulting Numbers: [43, 6] Generated Node #0,2,0: 20:[43, 6] Operation: 54/9=6 Exploring Operation: 54-43=11, Resulting Numbers: [9, 11] Generated Node #0,2,1: 20:[9, 11] Operation: 54-43=11 Exploring Operation: 54-9=45, Resulting Numbers: [43, 45] Generated Node #0,2,2: 20:[43, 45] Operation: 54-9=45 Moving to Node #0,2,1 Current State: 20:[9, 11], Operations: ['60-51=9', '54-43=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,20 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[54, 60, 51, 43], Operations: [] Exploring Operation: 60-51=9, Resulting Numbers: [54, 43, 9] Generated Node #0,2: 20:[54, 43, 9] Operation: 60-51=9 Moving to Node #0,2 Current State: 20:[54, 43, 9], Operations: ['60-51=9'] Exploring Operation: 54-43=11, Resulting Numbers: [9, 11] Generated Node #0,2,1: 20:[9, 11] Operation: 54-43=11 Moving to Node #0,2,1 Current State: 20:[9, 11], Operations: ['60-51=9', '54-43=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 47, 5, 59, 74 ]
57
[ "47-5=42", "74-59=15", "42+15=57" ]
Current State: 57:[47, 5, 59, 74], Operations: [] Exploring Operation: 47-5=42, Resulting Numbers: [59, 74, 42] Generated Node #2: [59, 74, 42] from Operation: 47-5=42 Current State: 57:[59, 74, 42], Operations: ['47-5=42'] Exploring Operation: 74-59=15, Resulting Numbers: [42, 15] Generated Node #3: [42, 15] from Operation: 74-59=15 Current State: 57:[42, 15], Operations: ['47-5=42', '74-59=15'] Exploring Operation: 42+15=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[47, 5, 59, 74], Operations: [] Exploring Operation: 74-47=27, Resulting Numbers: [5, 59, 27] Generated Node #0,0: 57:[5, 59, 27] Operation: 74-47=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[5, 59, 27], Operations: ['74-47=27'] Exploring Operation: 27-5=22, Resulting Numbers: [59, 22] Generated Node #0,0,0: 57:[59, 22] Operation: 27-5=22 Moving to Node #0,0,0 Current State: 57:[59, 22], Operations: ['74-47=27', '27-5=22'] Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,57 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
[ 4, 57, 95, 83 ]
54
[ "95-83=12", "12/4=3", "57-3=54" ]
Current State: 54:[4, 57, 95, 83], Operations: [] Exploring Operation: 95-83=12, Resulting Numbers: [4, 57, 12] Generated Node #2: [4, 57, 12] from Operation: 95-83=12 Current State: 54:[4, 57, 12], Operations: ['95-83=12'] Exploring Operation: 12/4=3, Resulting Numbers: [57, 3] Generated Node #3: [57, 3] from Operation: 12/4=3 Current State: 54:[57, 3], Operations: ['95-83=12', '12/4=3'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[4, 57, 95, 83], Operations: [] Exploring Operation: 95-83=12, Resulting Numbers: [4, 57, 12] Generated Node #0,0: 54:[4, 57, 12] Operation: 95-83=12 Exploring Operation: 95-57=38, Resulting Numbers: [4, 83, 38] Generated Node #0,1: 54:[4, 83, 38] Operation: 95-57=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[4, 57, 12], Operations: ['95-83=12'] Exploring Operation: 12/4=3, Resulting Numbers: [57, 3] Generated Node #0,0,0: 54:[57, 3] Operation: 12/4=3 Exploring Operation: 57-4=53, Resulting Numbers: [12, 53] Generated Node #0,0,1: 54:[12, 53] Operation: 57-4=53 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[57, 3], Operations: ['95-83=12', '12/4=3'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[4, 57, 95, 83], Operations: [] Exploring Operation: 95-83=12, Resulting Numbers: [4, 57, 12] Generated Node #0,0: 54:[4, 57, 12] Operation: 95-83=12 Moving to Node #0,0 Current State: 54:[4, 57, 12], Operations: ['95-83=12'] Exploring Operation: 12/4=3, Resulting Numbers: [57, 3] Generated Node #0,0,0: 54:[57, 3] Operation: 12/4=3 Moving to Node #0,0,0 Current State: 54:[57, 3], Operations: ['95-83=12', '12/4=3'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 69, 50, 48, 19 ]
100
[ "69-48=21", "21-19=2", "50*2=100" ]
Current State: 100:[69, 50, 48, 19], Operations: [] Exploring Operation: 69-48=21, Resulting Numbers: [50, 19, 21] Generated Node #2: [50, 19, 21] from Operation: 69-48=21 Current State: 100:[50, 19, 21], Operations: ['69-48=21'] Exploring Operation: 21-19=2, Resulting Numbers: [50, 2] Generated Node #3: [50, 2] from Operation: 21-19=2 Current State: 100:[50, 2], Operations: ['69-48=21', '21-19=2'] Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[69, 50, 48, 19], Operations: [] Exploring Operation: 69-48=21, Resulting Numbers: [50, 19, 21] Generated Node #0,0: 100:[50, 19, 21] Operation: 69-48=21 Exploring Operation: 69-19=50, Resulting Numbers: [50, 48, 50] Generated Node #0,1: 100:[50, 48, 50] Operation: 69-19=50 Exploring Operation: 69-50=19, Resulting Numbers: [48, 19, 19] Generated Node #0,2: 100:[48, 19, 19] Operation: 69-50=19 Moving to Node #0,0 Current State: 100:[50, 19, 21], Operations: ['69-48=21'] Exploring Operation: 21-19=2, Resulting Numbers: [50, 2] Generated Node #0,0,0: 100:[50, 2] Operation: 21-19=2 Exploring Operation: 50-21=29, Resulting Numbers: [19, 29] Generated Node #0,0,1: 100:[19, 29] Operation: 50-21=29 Exploring Operation: 50-19=31, Resulting Numbers: [21, 31] Generated Node #0,0,2: 100:[21, 31] Operation: 50-19=31 Moving to Node #0,1 Current State: 100:[50, 48, 50], Operations: ['69-19=50'] Exploring Operation: 50-48=2, Resulting Numbers: [50, 2] Generated Node #0,1,0: 100:[50, 2] Operation: 50-48=2 Exploring Operation: 50-48=2, Resulting Numbers: [50, 2] Generated Node #0,1,1: 100:[50, 2] Operation: 50-48=2 Exploring Operation: 50+48=98, Resulting Numbers: [50, 98] Generated Node #0,1,2: 100:[50, 98] Operation: 50+48=98 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[50, 2], Operations: ['69-19=50', '50-48=2'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,100 unequal: No Solution Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[69, 50, 48, 19], Operations: [] Exploring Operation: 69-19=50, Resulting Numbers: [50, 48, 50] Generated Node #0,1: 100:[50, 48, 50] Operation: 69-19=50 Moving to Node #0,1 Current State: 100:[50, 48, 50], Operations: ['69-19=50'] Exploring Operation: 50-48=2, Resulting Numbers: [50, 2] Generated Node #0,1,0: 100:[50, 2] Operation: 50-48=2 Moving to Node #0,1,0 Current State: 100:[50, 2], Operations: ['69-19=50', '50-48=2'] Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 28, 56, 60, 14 ]
37
[ "56/28=2", "60+14=74", "74/2=37" ]
Current State: 37:[28, 56, 60, 14], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [60, 14, 2] Generated Node #2: [60, 14, 2] from Operation: 56/28=2 Current State: 37:[60, 14, 2], Operations: ['56/28=2'] Exploring Operation: 60+14=74, Resulting Numbers: [2, 74] Generated Node #3: [2, 74] from Operation: 60+14=74 Current State: 37:[2, 74], Operations: ['56/28=2', '60+14=74'] Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[28, 56, 60, 14], Operations: [] Exploring Operation: 60-28=32, Resulting Numbers: [56, 14, 32] Generated Node #0,0: 37:[56, 14, 32] Operation: 60-28=32 Exploring Operation: 60-14=46, Resulting Numbers: [28, 56, 46] Generated Node #0,1: 37:[28, 56, 46] Operation: 60-14=46 Exploring Operation: 56-14=42, Resulting Numbers: [28, 60, 42] Generated Node #0,2: 37:[28, 60, 42] Operation: 56-14=42 Moving to Node #0,1 Current State: 37:[28, 56, 46], Operations: ['60-14=46'] Exploring Operation: 46-28=18, Resulting Numbers: [56, 18] Generated Node #0,1,0: 37:[56, 18] Operation: 46-28=18 Exploring Operation: 56-46=10, Resulting Numbers: [28, 10] Generated Node #0,1,1: 37:[28, 10] Operation: 56-46=10 Exploring Operation: 56-28=28, Resulting Numbers: [46, 28] Generated Node #0,1,2: 37:[46, 28] Operation: 56-28=28 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 37:[46, 28], Operations: ['60-14=46', '56-28=28'] Exploring Operation: 46+28=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 46*28=1288, Resulting Numbers: [1288] 1288,37 unequal: No Solution Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 37:[28, 10], Operations: ['60-14=46', '56-46=10'] Exploring Operation: 28*10=280, Resulting Numbers: [280] 280,37 unequal: No Solution Exploring Operation: 28+10=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 37:[56, 18], Operations: ['60-14=46', '46-28=18'] Exploring Operation: 56*18=1008, Resulting Numbers: [1008] 1008,37 unequal: No Solution Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,37 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: 37:[28, 60, 42], Operations: ['56-14=42'] Exploring Operation: 42-28=14, Resulting Numbers: [60, 14] Generated Node #0,2,0: 37:[60, 14] Operation: 42-28=14 Exploring Operation: 60-28=32, Resulting Numbers: [42, 32] Generated Node #0,2,1: 37:[42, 32] Operation: 60-28=32 Exploring Operation: 60-42=18, Resulting Numbers: [28, 18] Generated Node #0,2,2: 37:[28, 18] Operation: 60-42=18 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 37:[42, 32], Operations: ['56-14=42', '60-28=32'] Exploring Operation: 42-32=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 42*32=1344, Resulting Numbers: [1344] 1344,37 unequal: No Solution Exploring Operation: 42+32=74, Resulting Numbers: [74] 74,37 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 #0,2,2 Current State: 37:[28, 18], Operations: ['56-14=42', '60-42=18'] Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,37 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 #0,2,0 Current State: 37:[60, 14], Operations: ['56-14=42', '42-28=14'] Exploring Operation: 60-14=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 60+14=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 60*14=840, Resulting Numbers: [840] 840,37 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: 37:[56, 14, 32], Operations: ['60-28=32'] Exploring Operation: 14+32=46, Resulting Numbers: [56, 46] Generated Node #0,0,0: 37:[56, 46] Operation: 14+32=46 Exploring Operation: 56-32=24, Resulting Numbers: [14, 24] Generated Node #0,0,1: 37:[14, 24] Operation: 56-32=24 Exploring Operation: 56-14=42, Resulting Numbers: [32, 42] Generated Node #0,0,2: 37:[32, 42] Operation: 56-14=42 Moving to Node #0,0,2 Current State: 37:[32, 42], Operations: ['60-28=32', '56-14=42'] Exploring Operation: 42-32=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 32*42=1344, Resulting Numbers: [1344] 1344,37 unequal: No Solution Exploring Operation: 32+42=74, Resulting Numbers: [74] 74,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[56, 46], Operations: ['60-28=32', '14+32=46'] Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 56+46=102, Resulting Numbers: [102] 102,37 unequal: No Solution Exploring Operation: 56*46=2576, Resulting Numbers: [2576] 2576,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[14, 24], Operations: ['60-28=32', '56-32=24'] Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,37 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,37 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 6, 92, 90, 90 ]
51
[ "92-90=2", "90/2=45", "6+45=51" ]
Current State: 51:[6, 92, 90, 90], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [6, 2] Generated Node #2: [6, 2] from Operation: 92-90=2 Current State: 51:[6, 2], Operations: ['92-90=2'] Exploring Operation: 90/2=45, Resulting Numbers: [6, 45] Generated Node #3: [6, 45] from Operation: 90/2=45 Current State: 51:[6, 45], Operations: ['92-90=2', '90/2=45'] Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[6, 92, 90, 90], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [6, 90, 2] Generated Node #0,0: 51:[6, 90, 2] Operation: 92-90=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[6, 90, 2], Operations: ['92-90=2'] Exploring Operation: 90/6=15, Resulting Numbers: [2, 15] Generated Node #0,0,0: 51:[2, 15] Operation: 90/6=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[2, 15], Operations: ['92-90=2', '90/6=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,51 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
[ 37, 44, 37, 93 ]
29
[ "37*37=1369", "1369-93=1276", "1276/44=29" ]
Current State: 29:[37, 44, 37, 93], Operations: [] Exploring Operation: 37*37=1369, Resulting Numbers: [44, 93, 1369] Generated Node #2: [44, 93, 1369] from Operation: 37*37=1369 Current State: 29:[44, 93, 1369], Operations: ['37*37=1369'] Exploring Operation: 1369-93=1276, Resulting Numbers: [44, 1276] Generated Node #3: [44, 1276] from Operation: 1369-93=1276 Current State: 29:[44, 1276], Operations: ['37*37=1369', '1369-93=1276'] Exploring Operation: 1276/44=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[37, 44, 37, 93], Operations: [] Exploring Operation: 44-37=7, Resulting Numbers: [37, 93, 7] Generated Node #0,0: 29:[37, 93, 7] Operation: 44-37=7 Exploring Operation: 44-37=7, Resulting Numbers: [37, 93, 7] Generated Node #0,1: 29:[37, 93, 7] Operation: 44-37=7 Exploring Operation: 93-44=49, Resulting Numbers: [37, 37, 49] Generated Node #0,2: 29:[37, 37, 49] Operation: 93-44=49 Exploring Operation: 93-37=56, Resulting Numbers: [37, 44, 56] Generated Node #0,3: 29:[37, 44, 56] Operation: 93-37=56 Exploring Operation: 93-37=56, Resulting Numbers: [44, 37, 56] Generated Node #0,4: 29:[44, 37, 56] Operation: 93-37=56 Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[37, 37, 49], Operations: ['93-44=49'] Exploring Operation: 49-37=12, Resulting Numbers: [37, 12] Generated Node #0,2,0: 29:[37, 12] Operation: 49-37=12 Exploring Operation: 37-37=0, Resulting Numbers: [49, 0] Generated Node #0,2,1: 29:[49, 0] Operation: 37-37=0 Exploring Operation: 49-37=12, Resulting Numbers: [37, 12] Generated Node #0,2,2: 29:[37, 12] Operation: 49-37=12 Exploring Operation: 37+37=74, Resulting Numbers: [49, 74] Generated Node #0,2,3: 29:[49, 74] Operation: 37+37=74 Exploring Operation: 37/37=1, Resulting Numbers: [49, 1] Generated Node #0,2,4: 29:[49, 1] Operation: 37/37=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 29:[37, 12], Operations: ['93-44=49', '49-37=12'] Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 37*12=444, Resulting Numbers: [444] 444,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 29:[37, 12], Operations: ['93-44=49', '49-37=12'] Exploring Operation: 37*12=444, Resulting Numbers: [444] 444,29 unequal: No Solution Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 29:[49, 1], Operations: ['93-44=49', '37/37=1'] Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,29 unequal: No Solution Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 29:[49, 0], Operations: ['93-44=49', '37-37=0'] Exploring Operation: 49*0=0, Resulting Numbers: [0] 0,29 unequal: No Solution Exploring Operation: 49+0=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 49-0=49, Resulting Numbers: [49] 49,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 29:[49, 74], Operations: ['93-44=49', '37+37=74'] Exploring Operation: 49+74=123, Resulting Numbers: [123] 123,29 unequal: No Solution Exploring Operation: 49*74=3626, Resulting Numbers: [3626] 3626,29 unequal: No Solution Exploring Operation: 74-49=25, Resulting Numbers: [25] 25,29 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: 29:[37, 44, 56], Operations: ['93-37=56'] Exploring Operation: 44-37=7, Resulting Numbers: [56, 7] Generated Node #0,3,0: 29:[56, 7] Operation: 44-37=7 Exploring Operation: 37+44=81, Resulting Numbers: [56, 81] Generated Node #0,3,1: 29:[56, 81] Operation: 37+44=81 Exploring Operation: 37+56=93, Resulting Numbers: [44, 93] Generated Node #0,3,2: 29:[44, 93] Operation: 37+56=93 Exploring Operation: 56-44=12, Resulting Numbers: [37, 12] Generated Node #0,3,3: 29:[37, 12] Operation: 56-44=12 Exploring Operation: 56-37=19, Resulting Numbers: [44, 19] Generated Node #0,3,4: 29:[44, 19] Operation: 56-37=19 Moving to Node #0,3,3 Current State: 29:[37, 12], Operations: ['93-37=56', '56-44=12'] Exploring Operation: 37*12=444, Resulting Numbers: [444] 444,29 unequal: No Solution Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,29 unequal: No Solution Moving to Node #0,3,4 Current State: 29:[44, 19], Operations: ['93-37=56', '56-37=19'] Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 44+19=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 44*19=836, Resulting Numbers: [836] 836,29 unequal: No Solution Moving to Node #0,3,0 Current State: 29:[56, 7], Operations: ['93-37=56', '44-37=7'] Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,29 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,29 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,29 unequal: No Solution Moving to Node #0,3,1 Current State: 29:[56, 81], Operations: ['93-37=56', '37+44=81'] Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 56*81=4536, Resulting Numbers: [4536] 4536,29 unequal: No Solution Exploring Operation: 56+81=137, Resulting Numbers: [137] 137,29 unequal: No Solution Moving to Node #0,3,2 Current State: 29:[44, 93], Operations: ['93-37=56', '37+56=93'] Exploring Operation: 93-44=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 44*93=4092, Resulting Numbers: [4092] 4092,29 unequal: No Solution Exploring Operation: 44+93=137, Resulting Numbers: [137] 137,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 29:[44, 37, 56], Operations: ['93-37=56'] Exploring Operation: 56-44=12, Resulting Numbers: [37, 12] Generated Node #0,4,0: 29:[37, 12] Operation: 56-44=12 Exploring Operation: 44-37=7, Resulting Numbers: [56, 7] Generated Node #0,4,1: 29:[56, 7] Operation: 44-37=7 Exploring Operation: 44+37=81, Resulting Numbers: [56, 81] Generated Node #0,4,2: 29:[56, 81] Operation: 44+37=81 Exploring Operation: 56-37=19, Resulting Numbers: [44, 19] Generated Node #0,4,3: 29:[44, 19] Operation: 56-37=19 Exploring Operation: 44+56=100, Resulting Numbers: [37, 100] Generated Node #0,4,4: 29:[37, 100] Operation: 44+56=100 Moving to Node #0,4,0 Current State: 29:[37, 12], Operations: ['93-37=56', '56-44=12'] Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 37*12=444, Resulting Numbers: [444] 444,29 unequal: No Solution Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,29 unequal: No Solution Moving to Node #0,4,3 Current State: 29:[44, 19], Operations: ['93-37=56', '56-37=19'] Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 44*19=836, Resulting Numbers: [836] 836,29 unequal: No Solution Exploring Operation: 44+19=63, Resulting Numbers: [63] 63,29 unequal: No Solution Moving to Node #0,4,1 Current State: 29:[56, 7], Operations: ['93-37=56', '44-37=7'] Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,29 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,29 unequal: No Solution Moving to Node #0,4,2 Current State: 29:[56, 81], Operations: ['93-37=56', '44+37=81'] Exploring Operation: 56+81=137, Resulting Numbers: [137] 137,29 unequal: No Solution Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 56*81=4536, Resulting Numbers: [4536] 4536,29 unequal: No Solution Moving to Node #0,4,4 Current State: 29:[37, 100], Operations: ['93-37=56', '44+56=100'] Exploring Operation: 37*100=3700, Resulting Numbers: [3700] 3700,29 unequal: No Solution Exploring Operation: 100-37=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 37+100=137, Resulting Numbers: [137] 137,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[37, 93, 7], Operations: ['44-37=7'] Exploring Operation: 93+7=100, Resulting Numbers: [37, 100] Generated Node #0,0,0: 29:[37, 100] Operation: 93+7=100 Exploring Operation: 37+7=44, Resulting Numbers: [93, 44] Generated Node #0,0,1: 29:[93, 44] Operation: 37+7=44 Exploring Operation: 93-37=56, Resulting Numbers: [7, 56] Generated Node #0,0,2: 29:[7, 56] Operation: 93-37=56 Exploring Operation: 37-7=30, Resulting Numbers: [93, 30] Generated Node #0,0,3: 29:[93, 30] Operation: 37-7=30 Exploring Operation: 93-7=86, Resulting Numbers: [37, 86] Generated Node #0,0,4: 29:[37, 86] Operation: 93-7=86 Moving to Node #0,0,2 Current State: 29:[7, 56], Operations: ['44-37=7', '93-37=56'] Exploring Operation: 7*56=392, Resulting Numbers: [392] 392,29 unequal: No Solution Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,29 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,29 unequal: No Solution Moving to Node #0,0,4 Current State: 29:[37, 86], Operations: ['44-37=7', '93-7=86'] Exploring Operation: 37*86=3182, Resulting Numbers: [3182] 3182,29 unequal: No Solution Exploring Operation: 37+86=123, Resulting Numbers: [123] 123,29 unequal: No Solution Exploring Operation: 86-37=49, Resulting Numbers: [49] 49,29 unequal: No Solution Moving to Node #0,0,3 Current State: 29:[93, 30], Operations: ['44-37=7', '37-7=30'] Exploring Operation: 93-30=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 93+30=123, Resulting Numbers: [123] 123,29 unequal: No Solution Exploring Operation: 93*30=2790, Resulting Numbers: [2790] 2790,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[37, 100], Operations: ['44-37=7', '93+7=100'] Exploring Operation: 100-37=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 37*100=3700, Resulting Numbers: [3700] 3700,29 unequal: No Solution Exploring Operation: 37+100=137, Resulting Numbers: [137] 137,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[93, 44], Operations: ['44-37=7', '37+7=44'] Exploring Operation: 93*44=4092, Resulting Numbers: [4092] 4092,29 unequal: No Solution Exploring Operation: 93-44=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 93+44=137, Resulting Numbers: [137] 137,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[37, 93, 7], Operations: ['44-37=7'] Exploring Operation: 37+7=44, Resulting Numbers: [93, 44] Generated Node #0,1,0: 29:[93, 44] Operation: 37+7=44 Exploring Operation: 37-7=30, Resulting Numbers: [93, 30] Generated Node #0,1,1: 29:[93, 30] Operation: 37-7=30 Exploring Operation: 93-7=86, Resulting Numbers: [37, 86] Generated Node #0,1,2: 29:[37, 86] Operation: 93-7=86 Exploring Operation: 93-37=56, Resulting Numbers: [7, 56] Generated Node #0,1,3: 29:[7, 56] Operation: 93-37=56 Exploring Operation: 93+7=100, Resulting Numbers: [37, 100] Generated Node #0,1,4: 29:[37, 100] Operation: 93+7=100 Moving to Node #0,1,3 Current State: 29:[7, 56], Operations: ['44-37=7', '93-37=56'] Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,29 unequal: No Solution Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 7*56=392, Resulting Numbers: [392] 392,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[37, 86], Operations: ['44-37=7', '93-7=86'] Exploring Operation: 37*86=3182, Resulting Numbers: [3182] 3182,29 unequal: No Solution Exploring Operation: 37+86=123, Resulting Numbers: [123] 123,29 unequal: No Solution Exploring Operation: 86-37=49, Resulting Numbers: [49] 49,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[93, 30], Operations: ['44-37=7', '37-7=30'] Exploring Operation: 93-30=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 93*30=2790, Resulting Numbers: [2790] 2790,29 unequal: No Solution Exploring Operation: 93+30=123, Resulting Numbers: [123] 123,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[93, 44], Operations: ['44-37=7', '37+7=44'] Exploring Operation: 93*44=4092, Resulting Numbers: [4092] 4092,29 unequal: No Solution Exploring Operation: 93+44=137, Resulting Numbers: [137] 137,29 unequal: No Solution Exploring Operation: 93-44=49, Resulting Numbers: [49] 49,29 unequal: No Solution Moving to Node #0,1,4 Current State: 29:[37, 100], Operations: ['44-37=7', '93+7=100'] Exploring Operation: 100-37=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 37+100=137, Resulting Numbers: [137] 137,29 unequal: No Solution Exploring Operation: 37*100=3700, Resulting Numbers: [3700] 3700,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 14, 20, 62, 8 ]
12
[ "14+20=34", "62+34=96", "96/8=12" ]
Current State: 12:[14, 20, 62, 8], Operations: [] Exploring Operation: 14+20=34, Resulting Numbers: [62, 8, 34] Generated Node #2: [62, 8, 34] from Operation: 14+20=34 Current State: 12:[62, 8, 34], Operations: ['14+20=34'] Exploring Operation: 62+34=96, Resulting Numbers: [8, 96] Generated Node #3: [8, 96] from Operation: 62+34=96 Current State: 12:[8, 96], Operations: ['14+20=34', '62+34=96'] Exploring Operation: 96/8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[14, 20, 62, 8], Operations: [] Exploring Operation: 62-20=42, Resulting Numbers: [14, 8, 42] Generated Node #0,0: 12:[14, 8, 42] Operation: 62-20=42 Exploring Operation: 62-14=48, Resulting Numbers: [20, 8, 48] Generated Node #0,1: 12:[20, 8, 48] Operation: 62-14=48 Exploring Operation: 20-14=6, Resulting Numbers: [62, 8, 6] Generated Node #0,2: 12:[62, 8, 6] Operation: 20-14=6 Moving to Node #0,0 Current State: 12:[14, 8, 42], Operations: ['62-20=42'] Exploring Operation: 42/14=3, Resulting Numbers: [8, 3] Generated Node #0,0,0: 12:[8, 3] Operation: 42/14=3 Exploring Operation: 42-14=28, Resulting Numbers: [8, 28] Generated Node #0,0,1: 12:[8, 28] Operation: 42-14=28 Exploring Operation: 42-8=34, Resulting Numbers: [14, 34] Generated Node #0,0,2: 12:[14, 34] Operation: 42-8=34 Moving to Node #0,1 Current State: 12:[20, 8, 48], Operations: ['62-14=48'] Exploring Operation: 48/8=6, Resulting Numbers: [20, 6] Generated Node #0,1,0: 12:[20, 6] Operation: 48/8=6 Exploring Operation: 20-8=12, Resulting Numbers: [48, 12] Generated Node #0,1,1: 12:[48, 12] Operation: 20-8=12 Exploring Operation: 48-20=28, Resulting Numbers: [8, 28] Generated Node #0,1,2: 12:[8, 28] Operation: 48-20=28 Moving to Node #0,2 Current State: 12:[62, 8, 6], Operations: ['20-14=6'] Exploring Operation: 62-6=56, Resulting Numbers: [8, 56] Generated Node #0,2,0: 12:[8, 56] Operation: 62-6=56 Exploring Operation: 62-8=54, Resulting Numbers: [6, 54] Generated Node #0,2,1: 12:[6, 54] Operation: 62-8=54 Exploring Operation: 8-6=2, Resulting Numbers: [62, 2] Generated Node #0,2,2: 12:[62, 2] Operation: 8-6=2 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 12:[6, 54], Operations: ['20-14=6', '62-8=54'] Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,12 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 6+54=60, Resulting Numbers: [60] 60,12 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 #0,2,0 Current State: 12:[8, 56], Operations: ['20-14=6', '62-6=56'] Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 8+56=64, Resulting Numbers: [64] 64,12 unequal: No Solution Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,12 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 #0,2,2 Current State: 12:[62, 2], Operations: ['20-14=6', '8-6=2'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,12 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,12 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,12 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: 12:[8, 3], Operations: ['62-20=42', '42/14=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,12 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,12 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[20, 6], Operations: ['62-14=48', '48/8=6'] Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,12 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,12 unequal: No Solution Moving to Node #0,1,2 Current State: 12:[8, 28], Operations: ['62-14=48', '48-20=28'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,12 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[8, 28], Operations: ['62-20=42', '42-14=28'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,12 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,12 unequal: No Solution Moving to Node #0,0,2 Current State: 12:[14, 34], Operations: ['62-20=42', '42-8=34'] Exploring Operation: 14*34=476, Resulting Numbers: [476] 476,12 unequal: No Solution Exploring Operation: 14+34=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[48, 12], Operations: ['62-14=48', '20-8=12'] Exploring Operation: 48+12=60, Resulting Numbers: [60] 60,12 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,12 unequal: No Solution Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,12 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 58, 61, 22, 38 ]
92
[ "61-58=3", "38*3=114", "114-22=92" ]
Current State: 92:[58, 61, 22, 38], Operations: [] Exploring Operation: 61-58=3, Resulting Numbers: [22, 38, 3] Generated Node #2: [22, 38, 3] from Operation: 61-58=3 Current State: 92:[22, 38, 3], Operations: ['61-58=3'] Exploring Operation: 38*3=114, Resulting Numbers: [22, 114] Generated Node #3: [22, 114] from Operation: 38*3=114 Current State: 92:[22, 114], Operations: ['61-58=3', '38*3=114'] Exploring Operation: 114-22=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[58, 61, 22, 38], Operations: [] Exploring Operation: 58+38=96, Resulting Numbers: [61, 22, 96] Generated Node #0,0: 92:[61, 22, 96] Operation: 58+38=96 Exploring Operation: 61-38=23, Resulting Numbers: [58, 22, 23] Generated Node #0,1: 92:[58, 22, 23] Operation: 61-38=23 Exploring Operation: 58-38=20, Resulting Numbers: [61, 22, 20] Generated Node #0,2: 92:[61, 22, 20] Operation: 58-38=20 Exploring Operation: 61-58=3, Resulting Numbers: [22, 38, 3] Generated Node #0,3: 92:[22, 38, 3] Operation: 61-58=3 Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[22, 38, 3], Operations: ['61-58=3'] Exploring Operation: 38+3=41, Resulting Numbers: [22, 41] Generated Node #0,3,0: 92:[22, 41] Operation: 38+3=41 Exploring Operation: 38-22=16, Resulting Numbers: [3, 16] Generated Node #0,3,1: 92:[3, 16] Operation: 38-22=16 Exploring Operation: 22-3=19, Resulting Numbers: [38, 19] Generated Node #0,3,2: 92:[38, 19] Operation: 22-3=19 Exploring Operation: 22+3=25, Resulting Numbers: [38, 25] Generated Node #0,3,3: 92:[38, 25] Operation: 22+3=25 Moving to Node #0,3,0 Current State: 92:[22, 41], Operations: ['61-58=3', '38+3=41'] Exploring Operation: 22+41=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 22*41=902, Resulting Numbers: [902] 902,92 unequal: No Solution Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,92 unequal: No Solution Moving to Node #0,3,1 Current State: 92:[3, 16], Operations: ['61-58=3', '38-22=16'] Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,92 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,92 unequal: No Solution Moving to Node #0,3,3 Current State: 92:[38, 25], Operations: ['61-58=3', '22+3=25'] Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,92 unequal: No Solution Exploring Operation: 38+25=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 38*25=950, Resulting Numbers: [950] 950,92 unequal: No Solution Moving to Node #0,3,2 Current State: 92:[38, 19], Operations: ['61-58=3', '22-3=19'] Exploring Operation: 38*19=722, Resulting Numbers: [722] 722,92 unequal: No Solution Exploring Operation: 38+19=57, Resulting Numbers: [57] 57,92 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,92 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 Current State: 92:[58, 22, 23], Operations: ['61-38=23'] Exploring Operation: 58-22=36, Resulting Numbers: [23, 36] Generated Node #0,1,0: 92:[23, 36] Operation: 58-22=36 Exploring Operation: 58-23=35, Resulting Numbers: [22, 35] Generated Node #0,1,1: 92:[22, 35] Operation: 58-23=35 Exploring Operation: 58+22=80, Resulting Numbers: [23, 80] Generated Node #0,1,2: 92:[23, 80] Operation: 58+22=80 Exploring Operation: 58+23=81, Resulting Numbers: [22, 81] Generated Node #0,1,3: 92:[22, 81] Operation: 58+23=81 Moving to Node #0,1,0 Current State: 92:[23, 36], Operations: ['61-38=23', '58-22=36'] Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,92 unequal: No Solution Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,92 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[23, 80], Operations: ['61-38=23', '58+22=80'] Exploring Operation: 23*80=1840, Resulting Numbers: [1840] 1840,92 unequal: No Solution Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,92 unequal: No Solution Exploring Operation: 23+80=103, Resulting Numbers: [103] 103,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[22, 35], Operations: ['61-38=23', '58-23=35'] Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,92 unequal: No Solution Exploring Operation: 22*35=770, Resulting Numbers: [770] 770,92 unequal: No Solution Exploring Operation: 22+35=57, Resulting Numbers: [57] 57,92 unequal: No Solution Moving to Node #0,1,3 Current State: 92:[22, 81], Operations: ['61-38=23', '58+23=81'] Exploring Operation: 81-22=59, Resulting Numbers: [59] 59,92 unequal: No Solution Exploring Operation: 22+81=103, Resulting Numbers: [103] 103,92 unequal: No Solution Exploring Operation: 22*81=1782, Resulting Numbers: [1782] 1782,92 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 Current State: 92:[61, 22, 20], Operations: ['58-38=20'] Exploring Operation: 61+22=83, Resulting Numbers: [20, 83] Generated Node #0,2,0: 92:[20, 83] Operation: 61+22=83 Exploring Operation: 61-20=41, Resulting Numbers: [22, 41] Generated Node #0,2,1: 92:[22, 41] Operation: 61-20=41 Exploring Operation: 61+20=81, Resulting Numbers: [22, 81] Generated Node #0,2,2: 92:[22, 81] Operation: 61+20=81 Exploring Operation: 61-22=39, Resulting Numbers: [20, 39] Generated Node #0,2,3: 92:[20, 39] Operation: 61-22=39 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 92:[22, 41], Operations: ['58-38=20', '61-20=41'] Exploring Operation: 22*41=902, Resulting Numbers: [902] 902,92 unequal: No Solution Exploring Operation: 22+41=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 92:[20, 39], Operations: ['58-38=20', '61-22=39'] Exploring Operation: 20*39=780, Resulting Numbers: [780] 780,92 unequal: No Solution Exploring Operation: 20+39=59, Resulting Numbers: [59] 59,92 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 92:[20, 83], Operations: ['58-38=20', '61+22=83'] Exploring Operation: 83-20=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 20+83=103, Resulting Numbers: [103] 103,92 unequal: No Solution Exploring Operation: 20*83=1660, Resulting Numbers: [1660] 1660,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 92:[22, 81], Operations: ['58-38=20', '61+20=81'] Exploring Operation: 22*81=1782, Resulting Numbers: [1782] 1782,92 unequal: No Solution Exploring Operation: 81-22=59, Resulting Numbers: [59] 59,92 unequal: No Solution Exploring Operation: 22+81=103, Resulting Numbers: [103] 103,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[61, 22, 96], Operations: ['58+38=96'] Exploring Operation: 61-22=39, Resulting Numbers: [96, 39] Generated Node #0,0,0: 92:[96, 39] Operation: 61-22=39 Exploring Operation: 96-61=35, Resulting Numbers: [22, 35] Generated Node #0,0,1: 92:[22, 35] Operation: 96-61=35 Exploring Operation: 61+22=83, Resulting Numbers: [96, 83] Generated Node #0,0,2: 92:[96, 83] Operation: 61+22=83 Exploring Operation: 96-22=74, Resulting Numbers: [61, 74] Generated Node #0,0,3: 92:[61, 74] Operation: 96-22=74 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[96, 39], Operations: ['58+38=96', '61-22=39'] Exploring Operation: 96+39=135, Resulting Numbers: [135] 135,92 unequal: No Solution Exploring Operation: 96*39=3744, Resulting Numbers: [3744] 3744,92 unequal: No Solution Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 92:[22, 35], Operations: ['58+38=96', '96-61=35'] Exploring Operation: 22+35=57, Resulting Numbers: [57] 57,92 unequal: No Solution Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,92 unequal: No Solution Exploring Operation: 22*35=770, Resulting Numbers: [770] 770,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 92:[96, 83], Operations: ['58+38=96', '61+22=83'] Exploring Operation: 96*83=7968, Resulting Numbers: [7968] 7968,92 unequal: No Solution Exploring Operation: 96-83=13, Resulting Numbers: [13] 13,92 unequal: No Solution Exploring Operation: 96+83=179, Resulting Numbers: [179] 179,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 92:[61, 74], Operations: ['58+38=96', '96-22=74'] Exploring Operation: 61*74=4514, Resulting Numbers: [4514] 4514,92 unequal: No Solution Exploring Operation: 74-61=13, Resulting Numbers: [13] 13,92 unequal: No Solution Exploring Operation: 61+74=135, Resulting Numbers: [135] 135,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 73, 2, 94, 82 ]
63
[ "73+2=75", "94-82=12", "75-12=63" ]
Current State: 63:[73, 2, 94, 82], Operations: [] Exploring Operation: 73+2=75, Resulting Numbers: [94, 82, 75] Generated Node #2: [94, 82, 75] from Operation: 73+2=75 Current State: 63:[94, 82, 75], Operations: ['73+2=75'] Exploring Operation: 94-82=12, Resulting Numbers: [75, 12] Generated Node #3: [75, 12] from Operation: 94-82=12 Current State: 63:[75, 12], Operations: ['73+2=75', '94-82=12'] Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[73, 2, 94, 82], Operations: [] Exploring Operation: 94-82=12, Resulting Numbers: [73, 2, 12] Generated Node #0,0: 63:[73, 2, 12] Operation: 94-82=12 Exploring Operation: 82-73=9, Resulting Numbers: [2, 94, 9] Generated Node #0,1: 63:[2, 94, 9] Operation: 82-73=9 Exploring Operation: 94-73=21, Resulting Numbers: [2, 82, 21] Generated Node #0,2: 63:[2, 82, 21] Operation: 94-73=21 Exploring Operation: 94/2=47, Resulting Numbers: [73, 82, 47] Generated Node #0,3: 63:[73, 82, 47] Operation: 94/2=47 Moving to Node #0,0 Current State: 63:[73, 2, 12], Operations: ['94-82=12'] Exploring Operation: 12/2=6, Resulting Numbers: [73, 6] Generated Node #0,0,0: 63:[73, 6] Operation: 12/2=6 Exploring Operation: 73-12=61, Resulting Numbers: [2, 61] Generated Node #0,0,1: 63:[2, 61] Operation: 73-12=61 Exploring Operation: 12-2=10, Resulting Numbers: [73, 10] Generated Node #0,0,2: 63:[73, 10] Operation: 12-2=10 Exploring Operation: 73-2=71, Resulting Numbers: [12, 71] Generated Node #0,0,3: 63:[12, 71] Operation: 73-2=71 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[2, 61], Operations: ['94-82=12', '73-12=61'] Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[73, 2, 94, 82], Operations: [] Exploring Operation: 94-82=12, Resulting Numbers: [73, 2, 12] Generated Node #0,0: 63:[73, 2, 12] Operation: 94-82=12 Moving to Node #0,0 Current State: 63:[73, 2, 12], Operations: ['94-82=12'] Exploring Operation: 73-12=61, Resulting Numbers: [2, 61] Generated Node #0,0,1: 63:[2, 61] Operation: 73-12=61 Moving to Node #0,0,1 Current State: 63:[2, 61], Operations: ['94-82=12', '73-12=61'] Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 9, 62, 76, 68 ]
45
[ "62-9=53", "76-68=8", "53-8=45" ]
Current State: 45:[9, 62, 76, 68], Operations: [] Exploring Operation: 62-9=53, Resulting Numbers: [76, 68, 53] Generated Node #2: [76, 68, 53] from Operation: 62-9=53 Current State: 45:[76, 68, 53], Operations: ['62-9=53'] Exploring Operation: 76-68=8, Resulting Numbers: [53, 8] Generated Node #3: [53, 8] from Operation: 76-68=8 Current State: 45:[53, 8], Operations: ['62-9=53', '76-68=8'] Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[9, 62, 76, 68], Operations: [] Exploring Operation: 76-62=14, Resulting Numbers: [9, 68, 14] Generated Node #0,0: 45:[9, 68, 14] Operation: 76-62=14 Exploring Operation: 76-68=8, Resulting Numbers: [9, 62, 8] Generated Node #0,1: 45:[9, 62, 8] Operation: 76-68=8 Exploring Operation: 68-62=6, Resulting Numbers: [9, 76, 6] Generated Node #0,2: 45:[9, 76, 6] Operation: 68-62=6 Moving to Node #0,1 Current State: 45:[9, 62, 8], Operations: ['76-68=8'] Exploring Operation: 62-8=54, Resulting Numbers: [9, 54] Generated Node #0,1,0: 45:[9, 54] Operation: 62-8=54 Exploring Operation: 62-9=53, Resulting Numbers: [8, 53] Generated Node #0,1,1: 45:[8, 53] Operation: 62-9=53 Exploring Operation: 9+8=17, Resulting Numbers: [62, 17] Generated Node #0,1,2: 45:[62, 17] Operation: 9+8=17 Moving to Node #0,0 Current State: 45:[9, 68, 14], Operations: ['76-62=14'] Exploring Operation: 68-14=54, Resulting Numbers: [9, 54] Generated Node #0,0,0: 45:[9, 54] Operation: 68-14=54 Exploring Operation: 68-9=59, Resulting Numbers: [14, 59] Generated Node #0,0,1: 45:[14, 59] Operation: 68-9=59 Exploring Operation: 14-9=5, Resulting Numbers: [68, 5] Generated Node #0,0,2: 45:[68, 5] Operation: 14-9=5 Moving to Node #0,2 Current State: 45:[9, 76, 6], Operations: ['68-62=6'] Exploring Operation: 76-6=70, Resulting Numbers: [9, 70] Generated Node #0,2,0: 45:[9, 70] Operation: 76-6=70 Exploring Operation: 9+6=15, Resulting Numbers: [76, 15] Generated Node #0,2,1: 45:[76, 15] Operation: 9+6=15 Exploring Operation: 76-9=67, Resulting Numbers: [6, 67] Generated Node #0,2,2: 45:[6, 67] Operation: 76-9=67 Moving to Node #0,1,0 Current State: 45:[9, 54], Operations: ['76-68=8', '62-8=54'] Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[9, 62, 76, 68], Operations: [] Exploring Operation: 76-68=8, Resulting Numbers: [9, 62, 8] Generated Node #0,1: 45:[9, 62, 8] Operation: 76-68=8 Moving to Node #0,1 Current State: 45:[9, 62, 8], Operations: ['76-68=8'] Exploring Operation: 62-8=54, Resulting Numbers: [9, 54] Generated Node #0,1,0: 45:[9, 54] Operation: 62-8=54 Moving to Node #0,1,0 Current State: 45:[9, 54], Operations: ['76-68=8', '62-8=54'] Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
0.985243
hs_3
sum_heuristic
[ 26, 37, 15, 2 ]
39
[ "26+37=63", "15+63=78", "78/2=39" ]
Current State: 39:[26, 37, 15, 2], Operations: [] Exploring Operation: 26+37=63, Resulting Numbers: [15, 2, 63] Generated Node #2: [15, 2, 63] from Operation: 26+37=63 Current State: 39:[15, 2, 63], Operations: ['26+37=63'] Exploring Operation: 15+63=78, Resulting Numbers: [2, 78] Generated Node #3: [2, 78] from Operation: 15+63=78 Current State: 39:[2, 78], Operations: ['26+37=63', '15+63=78'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[26, 37, 15, 2], Operations: [] Exploring Operation: 26/2=13, Resulting Numbers: [37, 15, 13] Generated Node #0,0: 39:[37, 15, 13] Operation: 26/2=13 Exploring Operation: 37-26=11, Resulting Numbers: [15, 2, 11] Generated Node #0,1: 39:[15, 2, 11] Operation: 37-26=11 Moving to Node #0,0 Current State: 39:[37, 15, 13], Operations: ['26/2=13'] Exploring Operation: 37-15=22, Resulting Numbers: [13, 22] Generated Node #0,0,0: 39:[13, 22] Operation: 37-15=22 Exploring Operation: 15-13=2, Resulting Numbers: [37, 2] Generated Node #0,0,1: 39:[37, 2] Operation: 15-13=2 Moving to Node #0,1 Current State: 39:[15, 2, 11], Operations: ['37-26=11'] Exploring Operation: 15-2=13, Resulting Numbers: [11, 13] Generated Node #0,1,0: 39:[11, 13] Operation: 15-2=13 Exploring Operation: 15-11=4, Resulting Numbers: [2, 4] Generated Node #0,1,1: 39:[2, 4] Operation: 15-11=4 Moving to Node #0,1,0 Current State: 39:[11, 13], Operations: ['37-26=11', '15-2=13'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[2, 4], Operations: ['37-26=11', '15-11=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[37, 2], Operations: ['26/2=13', '15-13=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,39 unequal: No Solution Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[26, 37, 15, 2], Operations: [] Exploring Operation: 26/2=13, Resulting Numbers: [37, 15, 13] Generated Node #0,0: 39:[37, 15, 13] Operation: 26/2=13 Moving to Node #0,0 Current State: 39:[37, 15, 13], Operations: ['26/2=13'] Exploring Operation: 15-13=2, Resulting Numbers: [37, 2] Generated Node #0,0,1: 39:[37, 2] Operation: 15-13=2 Moving to Node #0,0,1 Current State: 39:[37, 2], Operations: ['26/2=13', '15-13=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 75, 3, 85, 20 ]
24
[ "75+85=160", "3*160=480", "480/20=24" ]
Current State: 24:[75, 3, 85, 20], Operations: [] Exploring Operation: 75+85=160, Resulting Numbers: [3, 20, 160] Generated Node #2: [3, 20, 160] from Operation: 75+85=160 Current State: 24:[3, 20, 160], Operations: ['75+85=160'] Exploring Operation: 3*160=480, Resulting Numbers: [20, 480] Generated Node #3: [20, 480] from Operation: 3*160=480 Current State: 24:[20, 480], Operations: ['75+85=160', '3*160=480'] Exploring Operation: 480/20=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[75, 3, 85, 20], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [3, 20, 10] Generated Node #0,0: 24:[3, 20, 10] Operation: 85-75=10 Exploring Operation: 75/3=25, Resulting Numbers: [85, 20, 25] Generated Node #0,1: 24:[85, 20, 25] Operation: 75/3=25 Moving to Node #0,0 Current State: 24:[3, 20, 10], Operations: ['85-75=10'] Exploring Operation: 20/10=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 24:[3, 2] Operation: 20/10=2 Exploring Operation: 20-10=10, Resulting Numbers: [3, 10] Generated Node #0,0,1: 24:[3, 10] Operation: 20-10=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[3, 2], Operations: ['85-75=10', '20/10=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[3, 10], Operations: ['85-75=10', '20-10=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,24 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: 24:[85, 20, 25], Operations: ['75/3=25'] Exploring Operation: 85-25=60, Resulting Numbers: [20, 60] Generated Node #0,1,0: 24:[20, 60] Operation: 85-25=60 Exploring Operation: 85-20=65, Resulting Numbers: [25, 65] Generated Node #0,1,1: 24:[25, 65] Operation: 85-20=65 Moving to Node #0,1,0 Current State: 24:[20, 60], Operations: ['75/3=25', '85-25=60'] Exploring Operation: 60/20=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 60-20=40, Resulting Numbers: [40] 40,24 unequal: No Solution Moving to Node #0,1,1 Current State: 24:[25, 65], Operations: ['75/3=25', '85-20=65'] Exploring Operation: 25+65=90, Resulting Numbers: [90] 90,24 unequal: No Solution Exploring Operation: 65-25=40, Resulting Numbers: [40] 40,24 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 88, 3, 6, 90 ]
93
[ "3*6=18", "90/18=5", "88+5=93" ]
Current State: 93:[88, 3, 6, 90], Operations: [] Exploring Operation: 3*6=18, Resulting Numbers: [88, 90, 18] Generated Node #2: [88, 90, 18] from Operation: 3*6=18 Current State: 93:[88, 90, 18], Operations: ['3*6=18'] Exploring Operation: 90/18=5, Resulting Numbers: [88, 5] Generated Node #3: [88, 5] from Operation: 90/18=5 Current State: 93:[88, 5], Operations: ['3*6=18', '90/18=5'] Exploring Operation: 88+5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[88, 3, 6, 90], Operations: [] Exploring Operation: 88+6=94, Resulting Numbers: [3, 90, 94] Generated Node #0,0: 93:[3, 90, 94] Operation: 88+6=94 Exploring Operation: 90-88=2, Resulting Numbers: [3, 6, 2] Generated Node #0,1: 93:[3, 6, 2] Operation: 90-88=2 Exploring Operation: 88+3=91, Resulting Numbers: [6, 90, 91] Generated Node #0,2: 93:[6, 90, 91] Operation: 88+3=91 Exploring Operation: 6-3=3, Resulting Numbers: [88, 90, 3] Generated Node #0,3: 93:[88, 90, 3] Operation: 6-3=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[3, 90, 94], Operations: ['88+6=94'] Exploring Operation: 90/3=30, Resulting Numbers: [94, 30] Generated Node #0,0,0: 93:[94, 30] Operation: 90/3=30 Exploring Operation: 94-90=4, Resulting Numbers: [3, 4] Generated Node #0,0,1: 93:[3, 4] Operation: 94-90=4 Exploring Operation: 94-3=91, Resulting Numbers: [90, 91] Generated Node #0,0,2: 93:[90, 91] Operation: 94-3=91 Exploring Operation: 3+90=93, Resulting Numbers: [94, 93] Generated Node #0,0,3: 93:[94, 93] Operation: 3+90=93 Moving to Node #0,0,1 Current State: 93:[3, 4], Operations: ['88+6=94', '94-90=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,93 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,93 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,93 unequal: No Solution Moving to Node #0,0,3 Current State: 93:[94, 93], Operations: ['88+6=94', '3+90=93'] Exploring Operation: 94-93=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 94*93=8742, Resulting Numbers: [8742] 8742,93 unequal: No Solution Exploring Operation: 94+93=187, Resulting Numbers: [187] 187,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[94, 30], Operations: ['88+6=94', '90/3=30'] Exploring Operation: 94*30=2820, Resulting Numbers: [2820] 2820,93 unequal: No Solution Exploring Operation: 94+30=124, Resulting Numbers: [124] 124,93 unequal: No Solution Exploring Operation: 94-30=64, Resulting Numbers: [64] 64,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[90, 91], Operations: ['88+6=94', '94-3=91'] Exploring Operation: 91-90=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 90*91=8190, Resulting Numbers: [8190] 8190,93 unequal: No Solution Exploring Operation: 90+91=181, Resulting Numbers: [181] 181,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[3, 6, 2], Operations: ['90-88=2'] Exploring Operation: 6-3=3, Resulting Numbers: [2, 3] Generated Node #0,1,0: 93:[2, 3] Operation: 6-3=3 Exploring Operation: 6/2=3, Resulting Numbers: [3, 3] Generated Node #0,1,1: 93:[3, 3] Operation: 6/2=3 Exploring Operation: 6/3=2, Resulting Numbers: [2, 2] Generated Node #0,1,2: 93:[2, 2] Operation: 6/3=2 Exploring Operation: 6-2=4, Resulting Numbers: [3, 4] Generated Node #0,1,3: 93:[3, 4] Operation: 6-2=4 Moving to Node #0,1,1 Current State: 93:[3, 3], Operations: ['90-88=2', '6/2=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,93 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,93 unequal: No Solution Moving to Node #0,1,3 Current State: 93:[3, 4], Operations: ['90-88=2', '6-2=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,93 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,93 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[2, 3], Operations: ['90-88=2', '6-3=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[2, 2], Operations: ['90-88=2', '6/3=2'] Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,93 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,93 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[6, 90, 91], Operations: ['88+3=91'] Exploring Operation: 91-90=1, Resulting Numbers: [6, 1] Generated Node #0,2,0: 93:[6, 1] Operation: 91-90=1 Exploring Operation: 6+91=97, Resulting Numbers: [90, 97] Generated Node #0,2,1: 93:[90, 97] Operation: 6+91=97 Exploring Operation: 6+90=96, Resulting Numbers: [91, 96] Generated Node #0,2,2: 93:[91, 96] Operation: 6+90=96 Exploring Operation: 90-6=84, Resulting Numbers: [91, 84] Generated Node #0,2,3: 93:[91, 84] Operation: 90-6=84 Moving to Node #0,2,0 Current State: 93:[6, 1], Operations: ['88+3=91', '91-90=1'] Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,93 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[91, 96], Operations: ['88+3=91', '6+90=96'] Exploring Operation: 96-91=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 91+96=187, Resulting Numbers: [187] 187,93 unequal: No Solution Exploring Operation: 91*96=8736, Resulting Numbers: [8736] 8736,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[90, 97], Operations: ['88+3=91', '6+91=97'] Exploring Operation: 90*97=8730, Resulting Numbers: [8730] 8730,93 unequal: No Solution Exploring Operation: 97-90=7, Resulting Numbers: [7] 7,93 unequal: No Solution Exploring Operation: 90+97=187, Resulting Numbers: [187] 187,93 unequal: No Solution Moving to Node #0,2,3 Current State: 93:[91, 84], Operations: ['88+3=91', '90-6=84'] Exploring Operation: 91+84=175, Resulting Numbers: [175] 175,93 unequal: No Solution Exploring Operation: 91*84=7644, Resulting Numbers: [7644] 7644,93 unequal: No Solution Exploring Operation: 91-84=7, Resulting Numbers: [7] 7,93 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 #0,3 Current State: 93:[88, 90, 3], Operations: ['6-3=3'] Exploring Operation: 90-88=2, Resulting Numbers: [3, 2] Generated Node #0,3,0: 93:[3, 2] Operation: 90-88=2 Exploring Operation: 90/3=30, Resulting Numbers: [88, 30] Generated Node #0,3,1: 93:[88, 30] Operation: 90/3=30 Exploring Operation: 88+3=91, Resulting Numbers: [90, 91] Generated Node #0,3,2: 93:[90, 91] Operation: 88+3=91 Exploring Operation: 90+3=93, Resulting Numbers: [88, 93] Generated Node #0,3,3: 93:[88, 93] Operation: 90+3=93 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 93:[3, 2], Operations: ['6-3=3', '90-88=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 3*2=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:[90, 91], Operations: ['6-3=3', '88+3=91'] Exploring Operation: 90*91=8190, Resulting Numbers: [8190] 8190,93 unequal: No Solution Exploring Operation: 90+91=181, Resulting Numbers: [181] 181,93 unequal: No Solution Exploring Operation: 91-90=1, Resulting Numbers: [1] 1,93 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:[88, 93], Operations: ['6-3=3', '90+3=93'] Exploring Operation: 88+93=181, Resulting Numbers: [181] 181,93 unequal: No Solution Exploring Operation: 88*93=8184, Resulting Numbers: [8184] 8184,93 unequal: No Solution Exploring Operation: 93-88=5, Resulting Numbers: [5] 5,93 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:[88, 30], Operations: ['6-3=3', '90/3=30'] Exploring Operation: 88+30=118, Resulting Numbers: [118] 118,93 unequal: No Solution Exploring Operation: 88-30=58, Resulting Numbers: [58] 58,93 unequal: No Solution Exploring Operation: 88*30=2640, Resulting Numbers: [2640] 2640,93 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 No solution found.
0
hs_4
sum_heuristic
[ 81, 66, 41, 7 ]
19
[ "81-66=15", "41-7=34", "34-15=19" ]
Current State: 19:[81, 66, 41, 7], Operations: [] Exploring Operation: 81-66=15, Resulting Numbers: [41, 7, 15] Generated Node #2: [41, 7, 15] from Operation: 81-66=15 Current State: 19:[41, 7, 15], Operations: ['81-66=15'] Exploring Operation: 41-7=34, Resulting Numbers: [15, 34] Generated Node #3: [15, 34] from Operation: 41-7=34 Current State: 19:[15, 34], Operations: ['81-66=15', '41-7=34'] Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[81, 66, 41, 7], Operations: [] Exploring Operation: 81-66=15, Resulting Numbers: [41, 7, 15] Generated Node #0,0: 19:[41, 7, 15] Operation: 81-66=15 Exploring Operation: 81-41=40, Resulting Numbers: [66, 7, 40] Generated Node #0,1: 19:[66, 7, 40] Operation: 81-41=40 Exploring Operation: 66-41=25, Resulting Numbers: [81, 7, 25] Generated Node #0,2: 19:[81, 7, 25] Operation: 66-41=25 Exploring Operation: 81-7=74, Resulting Numbers: [66, 41, 74] Generated Node #0,3: 19:[66, 41, 74] Operation: 81-7=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[41, 7, 15], Operations: ['81-66=15'] Exploring Operation: 41-7=34, Resulting Numbers: [15, 34] Generated Node #0,0,0: 19:[15, 34] Operation: 41-7=34 Exploring Operation: 7+15=22, Resulting Numbers: [41, 22] Generated Node #0,0,1: 19:[41, 22] Operation: 7+15=22 Exploring Operation: 41+7=48, Resulting Numbers: [15, 48] Generated Node #0,0,2: 19:[15, 48] Operation: 41+7=48 Exploring Operation: 41-15=26, Resulting Numbers: [7, 26] Generated Node #0,0,3: 19:[7, 26] Operation: 41-15=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[15, 34], Operations: ['81-66=15', '41-7=34'] Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,19 unequal: No Solution Exploring Operation: 15*34=510, Resulting Numbers: [510] 510,19 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[81, 66, 41, 7], Operations: [] Exploring Operation: 81-66=15, Resulting Numbers: [41, 7, 15] Generated Node #0,0: 19:[41, 7, 15] Operation: 81-66=15 Moving to Node #0,0 Current State: 19:[41, 7, 15], Operations: ['81-66=15'] Exploring Operation: 41-7=34, Resulting Numbers: [15, 34] Generated Node #0,0,0: 19:[15, 34] Operation: 41-7=34 Moving to Node #0,0,0 Current State: 19:[15, 34], Operations: ['81-66=15', '41-7=34'] Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 60, 56, 80, 4 ]
91
[ "60+80=140", "140/4=35", "56+35=91" ]
Current State: 91:[60, 56, 80, 4], Operations: [] Exploring Operation: 60+80=140, Resulting Numbers: [56, 4, 140] Generated Node #2: [56, 4, 140] from Operation: 60+80=140 Current State: 91:[56, 4, 140], Operations: ['60+80=140'] Exploring Operation: 140/4=35, Resulting Numbers: [56, 35] Generated Node #3: [56, 35] from Operation: 140/4=35 Current State: 91:[56, 35], Operations: ['60+80=140', '140/4=35'] Exploring Operation: 56+35=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[60, 56, 80, 4], Operations: [] Exploring Operation: 60-56=4, Resulting Numbers: [80, 4, 4] Generated Node #0,0: 91:[80, 4, 4] Operation: 60-56=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[80, 4, 4], Operations: ['60-56=4'] Exploring Operation: 80+4=84, Resulting Numbers: [4, 84] Generated Node #0,0,0: 91:[4, 84] Operation: 80+4=84 Moving to Node #0,0,0 Current State: 91:[4, 84], Operations: ['60-56=4', '80+4=84'] Exploring Operation: 4+84=88, Resulting Numbers: [88] 88,91 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, 69, 12, 72 ]
14
[ "72-69=3", "78/3=26", "26-12=14" ]
Current State: 14:[78, 69, 12, 72], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [78, 12, 3] Generated Node #2: [78, 12, 3] from Operation: 72-69=3 Current State: 14:[78, 12, 3], Operations: ['72-69=3'] Exploring Operation: 78/3=26, Resulting Numbers: [12, 26] Generated Node #3: [12, 26] from Operation: 78/3=26 Current State: 14:[12, 26], Operations: ['72-69=3', '78/3=26'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[78, 69, 12, 72], Operations: [] Exploring Operation: 78-72=6, Resulting Numbers: [69, 12, 6] Generated Node #0,0: 14:[69, 12, 6] Operation: 78-72=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[69, 12, 6], Operations: ['78-72=6'] Exploring Operation: 69-12=57, Resulting Numbers: [6, 57] Generated Node #0,0,0: 14:[6, 57] Operation: 69-12=57 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[6, 57], Operations: ['78-72=6', '69-12=57'] Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 4, 53, 37, 77 ]
89
[ "53-4=49", "77-37=40", "49+40=89" ]
Current State: 89:[4, 53, 37, 77], Operations: [] Exploring Operation: 53-4=49, Resulting Numbers: [37, 77, 49] Generated Node #2: [37, 77, 49] from Operation: 53-4=49 Current State: 89:[37, 77, 49], Operations: ['53-4=49'] Exploring Operation: 77-37=40, Resulting Numbers: [49, 40] Generated Node #3: [49, 40] from Operation: 77-37=40 Current State: 89:[49, 40], Operations: ['53-4=49', '77-37=40'] Exploring Operation: 49+40=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[4, 53, 37, 77], Operations: [] Exploring Operation: 53+37=90, Resulting Numbers: [4, 77, 90] Generated Node #0,0: 89:[4, 77, 90] Operation: 53+37=90 Exploring Operation: 4+53=57, Resulting Numbers: [37, 77, 57] Generated Node #0,1: 89:[37, 77, 57] Operation: 4+53=57 Exploring Operation: 4+37=41, Resulting Numbers: [53, 77, 41] Generated Node #0,2: 89:[53, 77, 41] Operation: 4+37=41 Exploring Operation: 4+77=81, Resulting Numbers: [53, 37, 81] Generated Node #0,3: 89:[53, 37, 81] Operation: 4+77=81 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[37, 77, 57], Operations: ['4+53=57'] Exploring Operation: 57-37=20, Resulting Numbers: [77, 20] Generated Node #0,1,0: 89:[77, 20] Operation: 57-37=20 Exploring Operation: 77-37=40, Resulting Numbers: [57, 40] Generated Node #0,1,1: 89:[57, 40] Operation: 77-37=40 Exploring Operation: 37+57=94, Resulting Numbers: [77, 94] Generated Node #0,1,2: 89:[77, 94] Operation: 37+57=94 Exploring Operation: 37+77=114, Resulting Numbers: [57, 114] Generated Node #0,1,3: 89:[57, 114] Operation: 37+77=114 Moving to Node #0,1,2 Current State: 89:[77, 94], Operations: ['4+53=57', '37+57=94'] Exploring Operation: 94-77=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 77*94=7238, Resulting Numbers: [7238] 7238,89 unequal: No Solution Exploring Operation: 77+94=171, Resulting Numbers: [171] 171,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[57, 114], Operations: ['4+53=57', '37+77=114'] Exploring Operation: 114/57=2, Resulting Numbers: [2] 2,89 unequal: No Solution Exploring Operation: 57+114=171, Resulting Numbers: [171] 171,89 unequal: No Solution Exploring Operation: 57*114=6498, Resulting Numbers: [6498] 6498,89 unequal: No Solution Exploring Operation: 114-57=57, Resulting Numbers: [57] 57,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[57, 40], Operations: ['4+53=57', '77-37=40'] Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 57+40=97, Resulting Numbers: [97] 97,89 unequal: No Solution Exploring Operation: 57*40=2280, Resulting Numbers: [2280] 2280,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[77, 20], Operations: ['4+53=57', '57-37=20'] Exploring Operation: 77+20=97, Resulting Numbers: [97] 97,89 unequal: No Solution Exploring Operation: 77*20=1540, Resulting Numbers: [1540] 1540,89 unequal: No Solution Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[53, 77, 41], Operations: ['4+37=41'] Exploring Operation: 77+41=118, Resulting Numbers: [53, 118] Generated Node #0,2,0: 89:[53, 118] Operation: 77+41=118 Exploring Operation: 53+77=130, Resulting Numbers: [41, 130] Generated Node #0,2,1: 89:[41, 130] Operation: 53+77=130 Exploring Operation: 53+41=94, Resulting Numbers: [77, 94] Generated Node #0,2,2: 89:[77, 94] Operation: 53+41=94 Exploring Operation: 53-41=12, Resulting Numbers: [77, 12] Generated Node #0,2,3: 89:[77, 12] Operation: 53-41=12 Moving to Node #0,2,2 Current State: 89:[77, 94], Operations: ['4+37=41', '53+41=94'] Exploring Operation: 77*94=7238, Resulting Numbers: [7238] 7238,89 unequal: No Solution Exploring Operation: 94-77=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 77+94=171, Resulting Numbers: [171] 171,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[53, 118], Operations: ['4+37=41', '77+41=118'] Exploring Operation: 53*118=6254, Resulting Numbers: [6254] 6254,89 unequal: No Solution Exploring Operation: 53+118=171, Resulting Numbers: [171] 171,89 unequal: No Solution Exploring Operation: 118-53=65, Resulting Numbers: [65] 65,89 unequal: No Solution Moving to Node #0,2,3 Current State: 89:[77, 12], Operations: ['4+37=41', '53-41=12'] Exploring Operation: 77*12=924, Resulting Numbers: [924] 924,89 unequal: No Solution Exploring Operation: 77+12=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[4, 53, 37, 77], Operations: [] Exploring Operation: 4+37=41, Resulting Numbers: [53, 77, 41] Generated Node #0,2: 89:[53, 77, 41] Operation: 4+37=41 Moving to Node #0,2 Current State: 89:[53, 77, 41], Operations: ['4+37=41'] Exploring Operation: 53-41=12, Resulting Numbers: [77, 12] Generated Node #0,2,3: 89:[77, 12] Operation: 53-41=12 Moving to Node #0,2,3 Current State: 89:[77, 12], Operations: ['4+37=41', '53-41=12'] Exploring Operation: 77+12=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
mult_heuristic
[ 65, 75, 75, 80 ]
67
[ "75-65=10", "80/10=8", "75-8=67" ]
Current State: 67:[65, 75, 75, 80], Operations: [] Exploring Operation: 75-65=10, Resulting Numbers: [80, 10] Generated Node #2: [80, 10] from Operation: 75-65=10 Current State: 67:[80, 10], Operations: ['75-65=10'] Exploring Operation: 80/10=8, Resulting Numbers: [8] 8,67 equal: Goal Reached Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[65, 75, 75, 80], Operations: [] Exploring Operation: 80-75=5, Resulting Numbers: [65, 75, 5] Generated Node #0,0: 67:[65, 75, 5] Operation: 80-75=5 Exploring Operation: 80-65=15, Resulting Numbers: [75, 75, 15] Generated Node #0,1: 67:[75, 75, 15] Operation: 80-65=15 Moving to Node #0,1 Current State: 67:[75, 75, 15], Operations: ['80-65=15'] Exploring Operation: 75-15=60, Resulting Numbers: [75, 60] Generated Node #0,1,0: 67:[75, 60] Operation: 75-15=60 Exploring Operation: 75-15=60, Resulting Numbers: [75, 60] Generated Node #0,1,1: 67:[75, 60] Operation: 75-15=60 Moving to Node #0,0 Current State: 67:[65, 75, 5], Operations: ['80-75=5'] Exploring Operation: 75-5=70, Resulting Numbers: [65, 70] Generated Node #0,0,0: 67:[65, 70] Operation: 75-5=70 Exploring Operation: 65+5=70, Resulting Numbers: [75, 70] Generated Node #0,0,1: 67:[75, 70] Operation: 65+5=70 Moving to Node #0,0,0 Current State: 67:[65, 70], Operations: ['80-75=5', '75-5=70'] Exploring Operation: 70-65=5, Resulting Numbers: [5] 5,67 unequal: No Solution Exploring Operation: 65+70=135, Resulting Numbers: [135] 135,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[75, 70], Operations: ['80-75=5', '65+5=70'] Exploring Operation: 75-70=5, Resulting Numbers: [5] 5,67 unequal: No Solution Exploring Operation: 75+70=145, Resulting Numbers: [145] 145,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[75, 60], Operations: ['80-65=15', '75-15=60'] Exploring Operation: 75-60=15, Resulting Numbers: [15] 15,67 unequal: No Solution Exploring Operation: 75+60=135, Resulting Numbers: [135] 135,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[75, 60], Operations: ['80-65=15', '75-15=60'] Exploring Operation: 75+60=135, Resulting Numbers: [135] 135,67 unequal: No Solution Exploring Operation: 75-60=15, Resulting Numbers: [15] 15,67 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 60, 7, 3, 34 ]
19
[ "7-3=4", "60/4=15", "34-15=19" ]
Current State: 19:[60, 7, 3, 34], Operations: [] Exploring Operation: 7-3=4, Resulting Numbers: [60, 34, 4] Generated Node #2: [60, 34, 4] from Operation: 7-3=4 Current State: 19:[60, 34, 4], Operations: ['7-3=4'] Exploring Operation: 60/4=15, Resulting Numbers: [34, 15] Generated Node #3: [34, 15] from Operation: 60/4=15 Current State: 19:[34, 15], Operations: ['7-3=4', '60/4=15'] Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[60, 7, 3, 34], Operations: [] Exploring Operation: 60/3=20, Resulting Numbers: [7, 34, 20] Generated Node #0,0: 19:[7, 34, 20] Operation: 60/3=20 Moving to Node #0,0 Current State: 19:[7, 34, 20], Operations: ['60/3=20'] Exploring Operation: 34-7=27, Resulting Numbers: [20, 27] Generated Node #0,0,0: 19:[20, 27] Operation: 34-7=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[20, 27], Operations: ['60/3=20', '34-7=27'] Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,19 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
[ 44, 77, 55, 74 ]
71
[ "77+55=132", "132/44=3", "74-3=71" ]
Current State: 71:[44, 77, 55, 74], Operations: [] Exploring Operation: 77+55=132, Resulting Numbers: [44, 74, 132] Generated Node #2: [44, 74, 132] from Operation: 77+55=132 Current State: 71:[44, 74, 132], Operations: ['77+55=132'] Exploring Operation: 132/44=3, Resulting Numbers: [74, 3] Generated Node #3: [74, 3] from Operation: 132/44=3 Current State: 71:[74, 3], Operations: ['77+55=132', '132/44=3'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[44, 77, 55, 74], Operations: [] Exploring Operation: 77-44=33, Resulting Numbers: [55, 74, 33] Generated Node #0,0: 71:[55, 74, 33] Operation: 77-44=33 Exploring Operation: 44+55=99, Resulting Numbers: [77, 74, 99] Generated Node #0,1: 71:[77, 74, 99] Operation: 44+55=99 Moving to Node #0,1 Current State: 71:[77, 74, 99], Operations: ['44+55=99'] Exploring Operation: 99-74=25, Resulting Numbers: [77, 25] Generated Node #0,1,0: 71:[77, 25] Operation: 99-74=25 Exploring Operation: 99-77=22, Resulting Numbers: [74, 22] Generated Node #0,1,1: 71:[74, 22] Operation: 99-77=22 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[77, 25], Operations: ['44+55=99', '99-74=25'] Exploring Operation: 77-25=52, Resulting Numbers: [52] 52,71 unequal: No Solution Exploring Operation: 77+25=102, Resulting Numbers: [102] 102,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[74, 22], Operations: ['44+55=99', '99-77=22'] Exploring Operation: 74+22=96, Resulting Numbers: [96] 96,71 unequal: No Solution Exploring Operation: 74-22=52, Resulting Numbers: [52] 52,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 71:[55, 74, 33], Operations: ['77-44=33'] Exploring Operation: 55+33=88, Resulting Numbers: [74, 88] Generated Node #0,0,0: 71:[74, 88] Operation: 55+33=88 Exploring Operation: 74-33=41, Resulting Numbers: [55, 41] Generated Node #0,0,1: 71:[55, 41] Operation: 74-33=41 Moving to Node #0,0,0 Current State: 71:[74, 88], Operations: ['77-44=33', '55+33=88'] Exploring Operation: 74+88=162, Resulting Numbers: [162] 162,71 unequal: No Solution Exploring Operation: 88-74=14, Resulting Numbers: [14] 14,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[55, 41], Operations: ['77-44=33', '74-33=41'] Exploring Operation: 55-41=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 55+41=96, Resulting Numbers: [96] 96,71 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 63, 13, 58, 2 ]
79
[ "63-13=50", "58/2=29", "50+29=79" ]
Current State: 79:[63, 13, 58, 2], Operations: [] Exploring Operation: 63-13=50, Resulting Numbers: [58, 2, 50] Generated Node #2: [58, 2, 50] from Operation: 63-13=50 Current State: 79:[58, 2, 50], Operations: ['63-13=50'] Exploring Operation: 58/2=29, Resulting Numbers: [50, 29] Generated Node #3: [50, 29] from Operation: 58/2=29 Current State: 79:[50, 29], Operations: ['63-13=50', '58/2=29'] Exploring Operation: 50+29=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[63, 13, 58, 2], Operations: [] Exploring Operation: 13*2=26, Resulting Numbers: [63, 58, 26] Generated Node #0,0: 79:[63, 58, 26] Operation: 13*2=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[63, 58, 26], Operations: ['13*2=26'] Exploring Operation: 58+26=84, Resulting Numbers: [63, 84] Generated Node #0,0,0: 79:[63, 84] Operation: 58+26=84 Moving to Node #0,0,0 Current State: 79:[63, 84], Operations: ['13*2=26', '58+26=84'] Exploring Operation: 84-63=21, Resulting Numbers: [21] 21,79 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
[ 51, 17, 44, 64 ]
74
[ "51-17=34", "44+64=108", "108-34=74" ]
Current State: 74:[51, 17, 44, 64], Operations: [] Exploring Operation: 51-17=34, Resulting Numbers: [44, 64, 34] Generated Node #2: [44, 64, 34] from Operation: 51-17=34 Current State: 74:[44, 64, 34], Operations: ['51-17=34'] Exploring Operation: 44+64=108, Resulting Numbers: [34, 108] Generated Node #3: [34, 108] from Operation: 44+64=108 Current State: 74:[34, 108], Operations: ['51-17=34', '44+64=108'] Exploring Operation: 108-34=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[51, 17, 44, 64], Operations: [] Exploring Operation: 51/17=3, Resulting Numbers: [44, 64, 3] Generated Node #0,0: 74:[44, 64, 3] Operation: 51/17=3 Exploring Operation: 51+17=68, Resulting Numbers: [44, 64, 68] Generated Node #0,1: 74:[44, 64, 68] Operation: 51+17=68 Exploring Operation: 51-17=34, Resulting Numbers: [44, 64, 34] Generated Node #0,2: 74:[44, 64, 34] Operation: 51-17=34 Moving to Node #0,0 Current State: 74:[44, 64, 3], Operations: ['51/17=3'] Exploring Operation: 44-3=41, Resulting Numbers: [64, 41] Generated Node #0,0,0: 74:[64, 41] Operation: 44-3=41 Exploring Operation: 64+3=67, Resulting Numbers: [44, 67] Generated Node #0,0,1: 74:[44, 67] Operation: 64+3=67 Exploring Operation: 64-44=20, Resulting Numbers: [3, 20] Generated Node #0,0,2: 74:[3, 20] Operation: 64-44=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[64, 41], Operations: ['51/17=3', '44-3=41'] Exploring Operation: 64*41=2624, Resulting Numbers: [2624] 2624,74 unequal: No Solution Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 64+41=105, Resulting Numbers: [105] 105,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[44, 67], Operations: ['51/17=3', '64+3=67'] Exploring Operation: 44+67=111, Resulting Numbers: [111] 111,74 unequal: No Solution Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 44*67=2948, Resulting Numbers: [2948] 2948,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 74:[3, 20], Operations: ['51/17=3', '64-44=20'] Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,74 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,74 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: 74:[44, 64, 34], Operations: ['51-17=34'] Exploring Operation: 44-34=10, Resulting Numbers: [64, 10] Generated Node #0,2,0: 74:[64, 10] Operation: 44-34=10 Exploring Operation: 44+34=78, Resulting Numbers: [64, 78] Generated Node #0,2,1: 74:[64, 78] Operation: 44+34=78 Exploring Operation: 64-34=30, Resulting Numbers: [44, 30] Generated Node #0,2,2: 74:[44, 30] Operation: 64-34=30 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 74:[64, 78], Operations: ['51-17=34', '44+34=78'] Exploring Operation: 64*78=4992, Resulting Numbers: [4992] 4992,74 unequal: No Solution Exploring Operation: 78-64=14, Resulting Numbers: [14] 14,74 unequal: No Solution Exploring Operation: 64+78=142, Resulting Numbers: [142] 142,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[44, 30], Operations: ['51-17=34', '64-34=30'] Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,74 unequal: No Solution Exploring Operation: 44*30=1320, Resulting Numbers: [1320] 1320,74 unequal: No Solution Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[51, 17, 44, 64], Operations: [] Exploring Operation: 51-17=34, Resulting Numbers: [44, 64, 34] Generated Node #0,2: 74:[44, 64, 34] Operation: 51-17=34 Moving to Node #0,2 Current State: 74:[44, 64, 34], Operations: ['51-17=34'] Exploring Operation: 64-34=30, Resulting Numbers: [44, 30] Generated Node #0,2,2: 74:[44, 30] Operation: 64-34=30 Moving to Node #0,2,2 Current State: 74:[44, 30], Operations: ['51-17=34', '64-34=30'] Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 66, 50, 15, 56 ]
57
[ "66-50=16", "56-15=41", "16+41=57" ]
Current State: 57:[66, 50, 15, 56], Operations: [] Exploring Operation: 66-50=16, Resulting Numbers: [15, 56, 16] Generated Node #2: [15, 56, 16] from Operation: 66-50=16 Current State: 57:[15, 56, 16], Operations: ['66-50=16'] Exploring Operation: 56-15=41, Resulting Numbers: [16, 41] Generated Node #3: [16, 41] from Operation: 56-15=41 Current State: 57:[16, 41], Operations: ['66-50=16', '56-15=41'] Exploring Operation: 16+41=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[66, 50, 15, 56], Operations: [] Exploring Operation: 66-50=16, Resulting Numbers: [15, 56, 16] Generated Node #0,0: 57:[15, 56, 16] Operation: 66-50=16 Exploring Operation: 50+15=65, Resulting Numbers: [66, 56, 65] Generated Node #0,1: 57:[66, 56, 65] Operation: 50+15=65 Exploring Operation: 66-15=51, Resulting Numbers: [50, 56, 51] Generated Node #0,2: 57:[50, 56, 51] Operation: 66-15=51 Exploring Operation: 56-50=6, Resulting Numbers: [66, 15, 6] Generated Node #0,3: 57:[66, 15, 6] Operation: 56-50=6 Exploring Operation: 66-56=10, Resulting Numbers: [50, 15, 10] Generated Node #0,4: 57:[50, 15, 10] Operation: 66-56=10 Moving to Node #0,0 Current State: 57:[15, 56, 16], Operations: ['66-50=16'] Exploring Operation: 56+16=72, Resulting Numbers: [15, 72] Generated Node #0,0,0: 57:[15, 72] Operation: 56+16=72 Exploring Operation: 15+16=31, Resulting Numbers: [56, 31] Generated Node #0,0,1: 57:[56, 31] Operation: 15+16=31 Exploring Operation: 16-15=1, Resulting Numbers: [56, 1] Generated Node #0,0,2: 57:[56, 1] Operation: 16-15=1 Exploring Operation: 15+56=71, Resulting Numbers: [16, 71] Generated Node #0,0,3: 57:[16, 71] Operation: 15+56=71 Exploring Operation: 56-15=41, Resulting Numbers: [16, 41] Generated Node #0,0,4: 57:[16, 41] Operation: 56-15=41 Moving to Node #0,2 Current State: 57:[50, 56, 51], Operations: ['66-15=51'] Exploring Operation: 56-51=5, Resulting Numbers: [50, 5] Generated Node #0,2,0: 57:[50, 5] Operation: 56-51=5 Exploring Operation: 50+51=101, Resulting Numbers: [56, 101] Generated Node #0,2,1: 57:[56, 101] Operation: 50+51=101 Exploring Operation: 50+56=106, Resulting Numbers: [51, 106] Generated Node #0,2,2: 57:[51, 106] Operation: 50+56=106 Exploring Operation: 56-50=6, Resulting Numbers: [51, 6] Generated Node #0,2,3: 57:[51, 6] Operation: 56-50=6 Exploring Operation: 51-50=1, Resulting Numbers: [56, 1] Generated Node #0,2,4: 57:[56, 1] Operation: 51-50=1 Moving to Node #0,3 Current State: 57:[66, 15, 6], Operations: ['56-50=6'] Exploring Operation: 15-6=9, Resulting Numbers: [66, 9] Generated Node #0,3,0: 57:[66, 9] Operation: 15-6=9 Exploring Operation: 66-15=51, Resulting Numbers: [6, 51] Generated Node #0,3,1: 57:[6, 51] Operation: 66-15=51 Exploring Operation: 66-6=60, Resulting Numbers: [15, 60] Generated Node #0,3,2: 57:[15, 60] Operation: 66-6=60 Exploring Operation: 15+6=21, Resulting Numbers: [66, 21] Generated Node #0,3,3: 57:[66, 21] Operation: 15+6=21 Exploring Operation: 66/6=11, Resulting Numbers: [15, 11] Generated Node #0,3,4: 57:[15, 11] Operation: 66/6=11 Moving to Node #0,1 Current State: 57:[66, 56, 65], Operations: ['50+15=65'] Exploring Operation: 66+56=122, Resulting Numbers: [65, 122] Generated Node #0,1,0: 57:[65, 122] Operation: 66+56=122 Exploring Operation: 66-65=1, Resulting Numbers: [56, 1] Generated Node #0,1,1: 57:[56, 1] Operation: 66-65=1 Exploring Operation: 56+65=121, Resulting Numbers: [66, 121] Generated Node #0,1,2: 57:[66, 121] Operation: 56+65=121 Exploring Operation: 65-56=9, Resulting Numbers: [66, 9] Generated Node #0,1,3: 57:[66, 9] Operation: 65-56=9 Exploring Operation: 66-56=10, Resulting Numbers: [65, 10] Generated Node #0,1,4: 57:[65, 10] Operation: 66-56=10 Moving to Node #0,4 Current State: 57:[50, 15, 10], Operations: ['66-56=10'] Exploring Operation: 50/10=5, Resulting Numbers: [15, 5] Generated Node #0,4,0: 57:[15, 5] Operation: 50/10=5 Exploring Operation: 15+10=25, Resulting Numbers: [50, 25] Generated Node #0,4,1: 57:[50, 25] Operation: 15+10=25 Exploring Operation: 50+10=60, Resulting Numbers: [15, 60] Generated Node #0,4,2: 57:[15, 60] Operation: 50+10=60 Exploring Operation: 15-10=5, Resulting Numbers: [50, 5] Generated Node #0,4,3: 57:[50, 5] Operation: 15-10=5 Exploring Operation: 50+15=65, Resulting Numbers: [10, 65] Generated Node #0,4,4: 57:[10, 65] Operation: 50+15=65 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 57:[15, 5], Operations: ['66-56=10', '50/10=5'] Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,57 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,57 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 #0,4,2 Current State: 57:[15, 60], Operations: ['66-56=10', '50+10=60'] Exploring Operation: 15+60=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 60/15=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,57 unequal: No Solution Exploring Operation: 15*60=900, Resulting Numbers: [900] 900,57 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 #0,4,3 Current State: 57:[50, 5], Operations: ['66-56=10', '15-10=5'] Exploring Operation: 50*5=250, Resulting Numbers: [250] 250,57 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,57 unequal: No Solution Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,57 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 #0,4,1 Current State: 57:[50, 25], Operations: ['66-56=10', '15+10=25'] Exploring Operation: 50+25=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,57 unequal: No Solution Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 50*25=1250, Resulting Numbers: [1250] 1250,57 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 #0,4,4 Current State: 57:[10, 65], Operations: ['66-56=10', '50+15=65'] Exploring Operation: 10+65=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 10*65=650, Resulting Numbers: [650] 650,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 57:[56, 1], Operations: ['66-50=16', '16-15=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[66, 50, 15, 56], Operations: [] Exploring Operation: 66-50=16, Resulting Numbers: [15, 56, 16] Generated Node #0,0: 57:[15, 56, 16] Operation: 66-50=16 Moving to Node #0,0 Current State: 57:[15, 56, 16], Operations: ['66-50=16'] Exploring Operation: 16-15=1, Resulting Numbers: [56, 1] Generated Node #0,0,2: 57:[56, 1] Operation: 16-15=1 Moving to Node #0,0,2 Current State: 57:[56, 1], Operations: ['66-50=16', '16-15=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.953125
hs_5
mult_heuristic
[ 84, 11, 2, 5 ]
36
[ "84/2=42", "11-5=6", "42-6=36" ]
Current State: 36:[84, 11, 2, 5], Operations: [] Exploring Operation: 84/2=42, Resulting Numbers: [11, 5, 42] Generated Node #2: [11, 5, 42] from Operation: 84/2=42 Current State: 36:[11, 5, 42], Operations: ['84/2=42'] Exploring Operation: 11-5=6, Resulting Numbers: [42, 6] Generated Node #3: [42, 6] from Operation: 11-5=6 Current State: 36:[42, 6], Operations: ['84/2=42', '11-5=6'] Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[84, 11, 2, 5], Operations: [] Exploring Operation: 84/2=42, Resulting Numbers: [11, 5, 42] Generated Node #0,0: 36:[11, 5, 42] Operation: 84/2=42 Moving to Node #0,0 Current State: 36:[11, 5, 42], Operations: ['84/2=42'] Exploring Operation: 42-5=37, Resulting Numbers: [11, 37] Generated Node #0,0,0: 36:[11, 37] Operation: 42-5=37 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[11, 37], Operations: ['84/2=42', '42-5=37'] Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,36 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
[ 13, 37, 1, 32 ]
81
[ "13+37=50", "32-1=31", "50+31=81" ]
Current State: 81:[13, 37, 1, 32], Operations: [] Exploring Operation: 13+37=50, Resulting Numbers: [1, 32, 50] Generated Node #2: [1, 32, 50] from Operation: 13+37=50 Current State: 81:[1, 32, 50], Operations: ['13+37=50'] Exploring Operation: 32-1=31, Resulting Numbers: [50, 31] Generated Node #3: [50, 31] from Operation: 32-1=31 Current State: 81:[50, 31], Operations: ['13+37=50', '32-1=31'] Exploring Operation: 50+31=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[13, 37, 1, 32], Operations: [] Exploring Operation: 37-13=24, Resulting Numbers: [1, 32, 24] Generated Node #0,0: 81:[1, 32, 24] Operation: 37-13=24 Exploring Operation: 13-1=12, Resulting Numbers: [37, 32, 12] Generated Node #0,1: 81:[37, 32, 12] Operation: 13-1=12 Exploring Operation: 37-1=36, Resulting Numbers: [13, 32, 36] Generated Node #0,2: 81:[13, 32, 36] Operation: 37-1=36 Exploring Operation: 37-32=5, Resulting Numbers: [13, 1, 5] Generated Node #0,3: 81:[13, 1, 5] Operation: 37-32=5 Moving to Node #0,3 Current State: 81:[13, 1, 5], Operations: ['37-32=5'] Exploring Operation: 13-1=12, Resulting Numbers: [5, 12] Generated Node #0,3,0: 81:[5, 12] Operation: 13-1=12 Exploring Operation: 5-1=4, Resulting Numbers: [13, 4] Generated Node #0,3,1: 81:[13, 4] Operation: 5-1=4 Exploring Operation: 13*1=13, Resulting Numbers: [5, 13] Generated Node #0,3,2: 81:[5, 13] Operation: 13*1=13 Exploring Operation: 13-5=8, Resulting Numbers: [1, 8] Generated Node #0,3,3: 81:[1, 8] Operation: 13-5=8 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 81:[1, 8], Operations: ['37-32=5', '13-5=8'] Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,81 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 #0,3,0 Current State: 81:[5, 12], Operations: ['37-32=5', '13-1=12'] Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,81 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,81 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 #0,3,1 Current State: 81:[13, 4], Operations: ['37-32=5', '5-1=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,81 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 81:[5, 13], Operations: ['37-32=5', '13*1=13'] Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,81 unequal: No Solution Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,81 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,81 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:[1, 32, 24], Operations: ['37-13=24'] Exploring Operation: 1+24=25, Resulting Numbers: [32, 25] Generated Node #0,0,0: 81:[32, 25] Operation: 1+24=25 Exploring Operation: 32-1=31, Resulting Numbers: [24, 31] Generated Node #0,0,1: 81:[24, 31] Operation: 32-1=31 Exploring Operation: 32-24=8, Resulting Numbers: [1, 8] Generated Node #0,0,2: 81:[1, 8] Operation: 32-24=8 Exploring Operation: 1*32=32, Resulting Numbers: [24, 32] Generated Node #0,0,3: 81:[24, 32] Operation: 1*32=32 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[1, 8], Operations: ['37-13=24', '32-24=8'] Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[32, 25], Operations: ['37-13=24', '1+24=25'] Exploring Operation: 32*25=800, Resulting Numbers: [800] 800,81 unequal: No Solution Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 32+25=57, Resulting Numbers: [57] 57,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[24, 31], Operations: ['37-13=24', '32-1=31'] Exploring Operation: 24+31=55, Resulting Numbers: [55] 55,81 unequal: No Solution Exploring Operation: 24*31=744, Resulting Numbers: [744] 744,81 unequal: No Solution Exploring Operation: 31-24=7, Resulting Numbers: [7] 7,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 81:[24, 32], Operations: ['37-13=24', '1*32=32'] Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,81 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 81:[13, 32, 36], Operations: ['37-1=36'] Exploring Operation: 32-13=19, Resulting Numbers: [36, 19] Generated Node #0,2,0: 81:[36, 19] Operation: 32-13=19 Exploring Operation: 32+36=68, Resulting Numbers: [13, 68] Generated Node #0,2,1: 81:[13, 68] Operation: 32+36=68 Exploring Operation: 36-32=4, Resulting Numbers: [13, 4] Generated Node #0,2,2: 81:[13, 4] Operation: 36-32=4 Exploring Operation: 36-13=23, Resulting Numbers: [32, 23] Generated Node #0,2,3: 81:[32, 23] Operation: 36-13=23 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[13, 4], Operations: ['37-1=36', '36-32=4'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,81 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 81:[32, 23], Operations: ['37-1=36', '36-13=23'] Exploring Operation: 32+23=55, Resulting Numbers: [55] 55,81 unequal: No Solution Exploring Operation: 32*23=736, Resulting Numbers: [736] 736,81 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[36, 19], Operations: ['37-1=36', '32-13=19'] Exploring Operation: 36*19=684, Resulting Numbers: [684] 684,81 unequal: No Solution Exploring Operation: 36+19=55, Resulting Numbers: [55] 55,81 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[13, 68], Operations: ['37-1=36', '32+36=68'] Exploring Operation: 13+68=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[13, 37, 1, 32], Operations: [] Exploring Operation: 37-1=36, Resulting Numbers: [13, 32, 36] Generated Node #0,2: 81:[13, 32, 36] Operation: 37-1=36 Moving to Node #0,2 Current State: 81:[13, 32, 36], Operations: ['37-1=36'] Exploring Operation: 32+36=68, Resulting Numbers: [13, 68] Generated Node #0,2,1: 81:[13, 68] Operation: 32+36=68 Moving to Node #0,2,1 Current State: 81:[13, 68], Operations: ['37-1=36', '32+36=68'] Exploring Operation: 13+68=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.951389
hs_4
mult_heuristic
[ 13, 14, 78, 18 ]
33
[ "13+14=27", "78-18=60", "60-27=33" ]
Current State: 33:[13, 14, 78, 18], Operations: [] Exploring Operation: 13+14=27, Resulting Numbers: [78, 18, 27] Generated Node #2: [78, 18, 27] from Operation: 13+14=27 Current State: 33:[78, 18, 27], Operations: ['13+14=27'] Exploring Operation: 78-18=60, Resulting Numbers: [27, 60] Generated Node #3: [27, 60] from Operation: 78-18=60 Current State: 33:[27, 60], Operations: ['13+14=27', '78-18=60'] Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[13, 14, 78, 18], Operations: [] Exploring Operation: 78-14=64, Resulting Numbers: [13, 18, 64] Generated Node #0,0: 33:[13, 18, 64] Operation: 78-14=64 Exploring Operation: 78-18=60, Resulting Numbers: [13, 14, 60] Generated Node #0,1: 33:[13, 14, 60] Operation: 78-18=60 Exploring Operation: 78/13=6, Resulting Numbers: [14, 18, 6] Generated Node #0,2: 33:[14, 18, 6] Operation: 78/13=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[14, 18, 6], Operations: ['78/13=6'] Exploring Operation: 14+18=32, Resulting Numbers: [6, 32] Generated Node #0,2,0: 33:[6, 32] Operation: 14+18=32 Exploring Operation: 18-14=4, Resulting Numbers: [6, 4] Generated Node #0,2,1: 33:[6, 4] Operation: 18-14=4 Exploring Operation: 18/6=3, Resulting Numbers: [14, 3] Generated Node #0,2,2: 33:[14, 3] Operation: 18/6=3 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 33:[14, 3], Operations: ['78/13=6', '18/6=3'] Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,33 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 33:[6, 32], Operations: ['78/13=6', '14+18=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,33 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,33 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 33:[6, 4], Operations: ['78/13=6', '18-14=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[13, 14, 60], Operations: ['78-18=60'] Exploring Operation: 60-14=46, Resulting Numbers: [13, 46] Generated Node #0,1,0: 33:[13, 46] Operation: 60-14=46 Exploring Operation: 14-13=1, Resulting Numbers: [60, 1] Generated Node #0,1,1: 33:[60, 1] Operation: 14-13=1 Exploring Operation: 60-13=47, Resulting Numbers: [14, 47] Generated Node #0,1,2: 33:[14, 47] Operation: 60-13=47 Moving to Node #0,1,0 Current State: 33:[13, 46], Operations: ['78-18=60', '60-14=46'] Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,33 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[13, 14, 78, 18], Operations: [] Exploring Operation: 78-18=60, Resulting Numbers: [13, 14, 60] Generated Node #0,1: 33:[13, 14, 60] Operation: 78-18=60 Moving to Node #0,1 Current State: 33:[13, 14, 60], Operations: ['78-18=60'] Exploring Operation: 60-14=46, Resulting Numbers: [13, 46] Generated Node #0,1,0: 33:[13, 46] Operation: 60-14=46 Moving to Node #0,1,0 Current State: 33:[13, 46], Operations: ['78-18=60', '60-14=46'] Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 29, 34, 75, 83 ]
98
[ "34-29=5", "75/5=15", "83+15=98" ]
Current State: 98:[29, 34, 75, 83], Operations: [] Exploring Operation: 34-29=5, Resulting Numbers: [75, 83, 5] Generated Node #2: [75, 83, 5] from Operation: 34-29=5 Current State: 98:[75, 83, 5], Operations: ['34-29=5'] Exploring Operation: 75/5=15, Resulting Numbers: [83, 15] Generated Node #3: [83, 15] from Operation: 75/5=15 Current State: 98:[83, 15], Operations: ['34-29=5', '75/5=15'] Exploring Operation: 83+15=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[29, 34, 75, 83], Operations: [] Exploring Operation: 83-75=8, Resulting Numbers: [29, 34, 8] Generated Node #0,0: 98:[29, 34, 8] Operation: 83-75=8 Exploring Operation: 75-29=46, Resulting Numbers: [34, 83, 46] Generated Node #0,1: 98:[34, 83, 46] Operation: 75-29=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[29, 34, 8], Operations: ['83-75=8'] Exploring Operation: 34-29=5, Resulting Numbers: [8, 5] Generated Node #0,0,0: 98:[8, 5] Operation: 34-29=5 Exploring Operation: 29+34=63, Resulting Numbers: [8, 63] Generated Node #0,0,1: 98:[8, 63] Operation: 29+34=63 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[8, 5], Operations: ['83-75=8', '34-29=5'] Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,98 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[8, 63], Operations: ['83-75=8', '29+34=63'] Exploring Operation: 8+63=71, Resulting Numbers: [71] 71,98 unequal: No Solution Exploring Operation: 63-8=55, Resulting Numbers: [55] 55,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[34, 83, 46], Operations: ['75-29=46'] Exploring Operation: 46-34=12, Resulting Numbers: [83, 12] Generated Node #0,1,0: 98:[83, 12] Operation: 46-34=12 Exploring Operation: 83-34=49, Resulting Numbers: [46, 49] Generated Node #0,1,1: 98:[46, 49] Operation: 83-34=49 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[46, 49], Operations: ['75-29=46', '83-34=49'] Exploring Operation: 46+49=95, Resulting Numbers: [95] 95,98 unequal: No Solution Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[83, 12], Operations: ['75-29=46', '46-34=12'] Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,98 unequal: No Solution Exploring Operation: 83+12=95, Resulting Numbers: [95] 95,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 19, 13, 57, 60 ]
85
[ "19+13=32", "57+60=117", "117-32=85" ]
Current State: 85:[19, 13, 57, 60], Operations: [] Exploring Operation: 19+13=32, Resulting Numbers: [57, 60, 32] Generated Node #2: [57, 60, 32] from Operation: 19+13=32 Current State: 85:[57, 60, 32], Operations: ['19+13=32'] Exploring Operation: 57+60=117, Resulting Numbers: [32, 117] Generated Node #3: [32, 117] from Operation: 57+60=117 Current State: 85:[32, 117], Operations: ['19+13=32', '57+60=117'] Exploring Operation: 117-32=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[19, 13, 57, 60], Operations: [] Exploring Operation: 60-57=3, Resulting Numbers: [19, 13, 3] Generated Node #0,0: 85:[19, 13, 3] Operation: 60-57=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[19, 13, 3], Operations: ['60-57=3'] Exploring Operation: 19-13=6, Resulting Numbers: [3, 6] Generated Node #0,0,0: 85:[3, 6] Operation: 19-13=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[3, 6], Operations: ['60-57=3', '19-13=6'] Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 46, 96, 68, 70 ]
99
[ "68+70=138", "138/46=3", "96+3=99" ]
Current State: 99:[46, 96, 68, 70], Operations: [] Exploring Operation: 68+70=138, Resulting Numbers: [46, 96, 138] Generated Node #2: [46, 96, 138] from Operation: 68+70=138 Current State: 99:[46, 96, 138], Operations: ['68+70=138'] Exploring Operation: 138/46=3, Resulting Numbers: [96, 3] Generated Node #3: [96, 3] from Operation: 138/46=3 Current State: 99:[96, 3], Operations: ['68+70=138', '138/46=3'] Exploring Operation: 96+3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[46, 96, 68, 70], Operations: [] Exploring Operation: 70-68=2, Resulting Numbers: [46, 96, 2] Generated Node #0,0: 99:[46, 96, 2] Operation: 70-68=2 Moving to Node #0,0 Current State: 99:[46, 96, 2], Operations: ['70-68=2'] Exploring Operation: 46*2=92, Resulting Numbers: [96, 92] Generated Node #0,0,0: 99:[96, 92] Operation: 46*2=92 Moving to Node #0,0,0 Current State: 99:[96, 92], Operations: ['70-68=2', '46*2=92'] Exploring Operation: 96-92=4, Resulting Numbers: [4] 4,99 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 87, 17, 17, 94 ]
27
[ "87+17=104", "94-17=77", "104-77=27" ]
Current State: 27:[87, 17, 17, 94], Operations: [] Exploring Operation: 87+17=104, Resulting Numbers: [94, 104] Generated Node #2: [94, 104] from Operation: 87+17=104 Current State: 27:[94, 104], Operations: ['87+17=104'] Exploring Operation: 94-17=77, Resulting Numbers: [104, 77] Generated Node #3: [104, 77] from Operation: 94-17=77 Current State: 27:[104, 77], Operations: ['87+17=104', '94-17=77'] Exploring Operation: 104-77=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[87, 17, 17, 94], Operations: [] Exploring Operation: 87-17=70, Resulting Numbers: [17, 94, 70] Generated Node #0,0: 27:[17, 94, 70] Operation: 87-17=70 Exploring Operation: 94-87=7, Resulting Numbers: [17, 17, 7] Generated Node #0,1: 27:[17, 17, 7] Operation: 94-87=7 Exploring Operation: 94-17=77, Resulting Numbers: [87, 17, 77] Generated Node #0,2: 27:[87, 17, 77] Operation: 94-17=77 Exploring Operation: 87-17=70, Resulting Numbers: [17, 94, 70] Generated Node #0,3: 27:[17, 94, 70] Operation: 87-17=70 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[17, 17, 7], Operations: ['94-87=7'] Exploring Operation: 17-7=10, Resulting Numbers: [17, 10] Generated Node #0,1,0: 27:[17, 10] Operation: 17-7=10 Exploring Operation: 17-17=0, Resulting Numbers: [7, 0] Generated Node #0,1,1: 27:[7, 0] Operation: 17-17=0 Exploring Operation: 17+17=34, Resulting Numbers: [7, 34] Generated Node #0,1,2: 27:[7, 34] Operation: 17+17=34 Exploring Operation: 17/17=1, Resulting Numbers: [7, 1] Generated Node #0,1,3: 27:[7, 1] Operation: 17/17=1 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 27:[7, 1], Operations: ['94-87=7', '17/17=1'] Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 7*1=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[7, 0], Operations: ['94-87=7', '17-17=0'] Exploring Operation: 7*0=0, Resulting Numbers: [0] 0,27 unequal: No Solution Exploring Operation: 7-0=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 7+0=7, Resulting Numbers: [7] 7,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[17, 10], Operations: ['94-87=7', '17-7=10'] Exploring Operation: 17*10=170, Resulting Numbers: [170] 170,27 unequal: No Solution Exploring Operation: 17+10=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[87, 17, 17, 94], Operations: [] Exploring Operation: 94-87=7, Resulting Numbers: [17, 17, 7] Generated Node #0,1: 27:[17, 17, 7] Operation: 94-87=7 Moving to Node #0,1 Current State: 27:[17, 17, 7], Operations: ['94-87=7'] Exploring Operation: 17-7=10, Resulting Numbers: [17, 10] Generated Node #0,1,0: 27:[17, 10] Operation: 17-7=10 Moving to Node #0,1,0 Current State: 27:[17, 10], Operations: ['94-87=7', '17-7=10'] Exploring Operation: 17+10=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 4, 49, 36, 60 ]
25
[ "36+60=96", "96/4=24", "49-24=25" ]
Current State: 25:[4, 49, 36, 60], Operations: [] Exploring Operation: 36+60=96, Resulting Numbers: [4, 49, 96] Generated Node #2: [4, 49, 96] from Operation: 36+60=96 Current State: 25:[4, 49, 96], Operations: ['36+60=96'] Exploring Operation: 96/4=24, Resulting Numbers: [49, 24] Generated Node #3: [49, 24] from Operation: 96/4=24 Current State: 25:[49, 24], Operations: ['36+60=96', '96/4=24'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[4, 49, 36, 60], Operations: [] Exploring Operation: 60-36=24, Resulting Numbers: [4, 49, 24] Generated Node #0,0: 25:[4, 49, 24] Operation: 60-36=24 Exploring Operation: 60-49=11, Resulting Numbers: [4, 36, 11] Generated Node #0,1: 25:[4, 36, 11] Operation: 60-49=11 Moving to Node #0,1 Current State: 25:[4, 36, 11], Operations: ['60-49=11'] Exploring Operation: 36-11=25, Resulting Numbers: [4, 25] Generated Node #0,1,0: 25:[4, 25] Operation: 36-11=25 Exploring Operation: 36/4=9, Resulting Numbers: [11, 9] Generated Node #0,1,1: 25:[11, 9] Operation: 36/4=9 Moving to Node #0,0 Current State: 25:[4, 49, 24], Operations: ['60-36=24'] Exploring Operation: 49-24=25, Resulting Numbers: [4, 25] Generated Node #0,0,0: 25:[4, 25] Operation: 49-24=25 Exploring Operation: 49-4=45, Resulting Numbers: [24, 45] Generated Node #0,0,1: 25:[24, 45] Operation: 49-4=45 Moving to Node #0,1,0 Current State: 25:[4, 25], Operations: ['60-49=11', '36-11=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,25 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[4, 25], Operations: ['60-36=24', '49-24=25'] Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,25 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[11, 9], Operations: ['60-49=11', '36/4=9'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[24, 45], Operations: ['60-36=24', '49-4=45'] Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,25 unequal: No Solution Exploring Operation: 24+45=69, Resulting Numbers: [69] 69,25 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 24, 39, 29, 26 ]
65
[ "24*39=936", "936/26=36", "29+36=65" ]
Current State: 65:[24, 39, 29, 26], Operations: [] Exploring Operation: 24*39=936, Resulting Numbers: [29, 26, 936] Generated Node #2: [29, 26, 936] from Operation: 24*39=936 Current State: 65:[29, 26, 936], Operations: ['24*39=936'] Exploring Operation: 936/26=36, Resulting Numbers: [29, 36] Generated Node #3: [29, 36] from Operation: 936/26=36 Current State: 65:[29, 36], Operations: ['24*39=936', '936/26=36'] Exploring Operation: 29+36=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[24, 39, 29, 26], Operations: [] Exploring Operation: 39-26=13, Resulting Numbers: [24, 29, 13] Generated Node #0,0: 65:[24, 29, 13] Operation: 39-26=13 Exploring Operation: 39+29=68, Resulting Numbers: [24, 26, 68] Generated Node #0,1: 65:[24, 26, 68] Operation: 39+29=68 Exploring Operation: 39-29=10, Resulting Numbers: [24, 26, 10] Generated Node #0,2: 65:[24, 26, 10] Operation: 39-29=10 Exploring Operation: 39+26=65, Resulting Numbers: [24, 29, 65] Generated Node #0,3: 65:[24, 29, 65] Operation: 39+26=65 Exploring Operation: 24+39=63, Resulting Numbers: [29, 26, 63] Generated Node #0,4: 65:[29, 26, 63] Operation: 24+39=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[24, 29, 13], Operations: ['39-26=13'] Exploring Operation: 24+29=53, Resulting Numbers: [13, 53] Generated Node #0,0,0: 65:[13, 53] Operation: 24+29=53 Exploring Operation: 29-13=16, Resulting Numbers: [24, 16] Generated Node #0,0,1: 65:[24, 16] Operation: 29-13=16 Exploring Operation: 24-13=11, Resulting Numbers: [29, 11] Generated Node #0,0,2: 65:[29, 11] Operation: 24-13=11 Exploring Operation: 29-24=5, Resulting Numbers: [13, 5] Generated Node #0,0,3: 65:[13, 5] Operation: 29-24=5 Exploring Operation: 29+13=42, Resulting Numbers: [24, 42] Generated Node #0,0,4: 65:[24, 42] Operation: 29+13=42 Moving to Node #0,0,3 Current State: 65:[13, 5], Operations: ['39-26=13', '29-24=5'] Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[24, 39, 29, 26], Operations: [] Exploring Operation: 39-26=13, Resulting Numbers: [24, 29, 13] Generated Node #0,0: 65:[24, 29, 13] Operation: 39-26=13 Moving to Node #0,0 Current State: 65:[24, 29, 13], Operations: ['39-26=13'] Exploring Operation: 29-24=5, Resulting Numbers: [13, 5] Generated Node #0,0,3: 65:[13, 5] Operation: 29-24=5 Moving to Node #0,0,3 Current State: 65:[13, 5], Operations: ['39-26=13', '29-24=5'] Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 37, 45, 86, 28 ]
66
[ "45-37=8", "86-28=58", "8+58=66" ]
Current State: 66:[37, 45, 86, 28], Operations: [] Exploring Operation: 45-37=8, Resulting Numbers: [86, 28, 8] Generated Node #2: [86, 28, 8] from Operation: 45-37=8 Current State: 66:[86, 28, 8], Operations: ['45-37=8'] Exploring Operation: 86-28=58, Resulting Numbers: [8, 58] Generated Node #3: [8, 58] from Operation: 86-28=58 Current State: 66:[8, 58], Operations: ['45-37=8', '86-28=58'] Exploring Operation: 8+58=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[37, 45, 86, 28], Operations: [] Exploring Operation: 86-28=58, Resulting Numbers: [37, 45, 58] Generated Node #0,0: 66:[37, 45, 58] Operation: 86-28=58 Exploring Operation: 86-45=41, Resulting Numbers: [37, 28, 41] Generated Node #0,1: 66:[37, 28, 41] Operation: 86-45=41 Moving to Node #0,1 Current State: 66:[37, 28, 41], Operations: ['86-45=41'] Exploring Operation: 41-37=4, Resulting Numbers: [28, 4] Generated Node #0,1,0: 66:[28, 4] Operation: 41-37=4 Exploring Operation: 41-28=13, Resulting Numbers: [37, 13] Generated Node #0,1,1: 66:[37, 13] Operation: 41-28=13 Moving to Node #0,0 Current State: 66:[37, 45, 58], Operations: ['86-28=58'] Exploring Operation: 58-45=13, Resulting Numbers: [37, 13] Generated Node #0,0,0: 66:[37, 13] Operation: 58-45=13 Exploring Operation: 45-37=8, Resulting Numbers: [58, 8] Generated Node #0,0,1: 66:[58, 8] Operation: 45-37=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[37, 13], Operations: ['86-28=58', '58-45=13'] Exploring Operation: 37+13=50, Resulting Numbers: [50] 50,66 unequal: No Solution Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,66 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 #0,0,1 Current State: 66:[58, 8], Operations: ['86-28=58', '45-37=8'] Exploring Operation: 58+8=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[37, 45, 86, 28], Operations: [] Exploring Operation: 86-28=58, Resulting Numbers: [37, 45, 58] Generated Node #0,0: 66:[37, 45, 58] Operation: 86-28=58 Moving to Node #0,0 Current State: 66:[37, 45, 58], Operations: ['86-28=58'] Exploring Operation: 45-37=8, Resulting Numbers: [58, 8] Generated Node #0,0,1: 66:[58, 8] Operation: 45-37=8 Moving to Node #0,0,1 Current State: 66:[58, 8], Operations: ['86-28=58', '45-37=8'] Exploring Operation: 58+8=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_2
sum_heuristic
[ 44, 51, 24, 6 ]
18
[ "51-44=7", "6*7=42", "42-24=18" ]
Current State: 18:[44, 51, 24, 6], Operations: [] Exploring Operation: 51-44=7, Resulting Numbers: [24, 6, 7] Generated Node #2: [24, 6, 7] from Operation: 51-44=7 Current State: 18:[24, 6, 7], Operations: ['51-44=7'] Exploring Operation: 6*7=42, Resulting Numbers: [24, 42] Generated Node #3: [24, 42] from Operation: 6*7=42 Current State: 18:[24, 42], Operations: ['51-44=7', '6*7=42'] Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[44, 51, 24, 6], Operations: [] Exploring Operation: 51-44=7, Resulting Numbers: [24, 6, 7] Generated Node #0,0: 18:[24, 6, 7] Operation: 51-44=7 Moving to Node #0,0 Current State: 18:[24, 6, 7], Operations: ['51-44=7'] Exploring Operation: 24-6=18, Resulting Numbers: [7, 18] Generated Node #0,0,0: 18:[7, 18] Operation: 24-6=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[7, 18], Operations: ['51-44=7', '24-6=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,18 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
[ 66, 58, 47, 12 ]
27
[ "66-58=8", "47-12=35", "35-8=27" ]
Current State: 27:[66, 58, 47, 12], Operations: [] Exploring Operation: 66-58=8, Resulting Numbers: [47, 12, 8] Generated Node #2: [47, 12, 8] from Operation: 66-58=8 Current State: 27:[47, 12, 8], Operations: ['66-58=8'] Exploring Operation: 47-12=35, Resulting Numbers: [8, 35] Generated Node #3: [8, 35] from Operation: 47-12=35 Current State: 27:[8, 35], Operations: ['66-58=8', '47-12=35'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[66, 58, 47, 12], Operations: [] Exploring Operation: 58-47=11, Resulting Numbers: [66, 12, 11] Generated Node #0,0: 27:[66, 12, 11] Operation: 58-47=11 Exploring Operation: 66-47=19, Resulting Numbers: [58, 12, 19] Generated Node #0,1: 27:[58, 12, 19] Operation: 66-47=19 Exploring Operation: 66-58=8, Resulting Numbers: [47, 12, 8] Generated Node #0,2: 27:[47, 12, 8] Operation: 66-58=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[47, 12, 8], Operations: ['66-58=8'] Exploring Operation: 12-8=4, Resulting Numbers: [47, 4] Generated Node #0,2,0: 27:[47, 4] Operation: 12-8=4 Exploring Operation: 47-12=35, Resulting Numbers: [8, 35] Generated Node #0,2,1: 27:[8, 35] Operation: 47-12=35 Exploring Operation: 47-8=39, Resulting Numbers: [12, 39] Generated Node #0,2,2: 27:[12, 39] Operation: 47-8=39 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 27:[8, 35], Operations: ['66-58=8', '47-12=35'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[66, 58, 47, 12], Operations: [] Exploring Operation: 66-58=8, Resulting Numbers: [47, 12, 8] Generated Node #0,2: 27:[47, 12, 8] Operation: 66-58=8 Moving to Node #0,2 Current State: 27:[47, 12, 8], Operations: ['66-58=8'] Exploring Operation: 47-12=35, Resulting Numbers: [8, 35] Generated Node #0,2,1: 27:[8, 35] Operation: 47-12=35 Moving to Node #0,2,1 Current State: 27:[8, 35], Operations: ['66-58=8', '47-12=35'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 1, 81, 57, 26 ]
51
[ "1+81=82", "57-26=31", "82-31=51" ]
Current State: 51:[1, 81, 57, 26], Operations: [] Exploring Operation: 1+81=82, Resulting Numbers: [57, 26, 82] Generated Node #2: [57, 26, 82] from Operation: 1+81=82 Current State: 51:[57, 26, 82], Operations: ['1+81=82'] Exploring Operation: 57-26=31, Resulting Numbers: [82, 31] Generated Node #3: [82, 31] from Operation: 57-26=31 Current State: 51:[82, 31], Operations: ['1+81=82', '57-26=31'] Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[1, 81, 57, 26], Operations: [] Exploring Operation: 81-26=55, Resulting Numbers: [1, 57, 55] Generated Node #0,0: 51:[1, 57, 55] Operation: 81-26=55 Exploring Operation: 81-1=80, Resulting Numbers: [57, 26, 80] Generated Node #0,1: 51:[57, 26, 80] Operation: 81-1=80 Exploring Operation: 81-57=24, Resulting Numbers: [1, 26, 24] Generated Node #0,2: 51:[1, 26, 24] Operation: 81-57=24 Exploring Operation: 57-1=56, Resulting Numbers: [81, 26, 56] Generated Node #0,3: 51:[81, 26, 56] Operation: 57-1=56 Exploring Operation: 26-1=25, Resulting Numbers: [81, 57, 25] Generated Node #0,4: 51:[81, 57, 25] Operation: 26-1=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[1, 57, 55], Operations: ['81-26=55'] Exploring Operation: 57-1=56, Resulting Numbers: [55, 56] Generated Node #0,0,0: 51:[55, 56] Operation: 57-1=56 Exploring Operation: 57-55=2, Resulting Numbers: [1, 2] Generated Node #0,0,1: 51:[1, 2] Operation: 57-55=2 Exploring Operation: 57/1=57, Resulting Numbers: [55, 57] Generated Node #0,0,2: 51:[55, 57] Operation: 57/1=57 Exploring Operation: 55-1=54, Resulting Numbers: [57, 54] Generated Node #0,0,3: 51:[57, 54] Operation: 55-1=54 Exploring Operation: 1*57=57, Resulting Numbers: [55, 57] Generated Node #0,0,4: 51:[55, 57] Operation: 1*57=57 Moving to Node #0,0,1 Current State: 51:[1, 2], Operations: ['81-26=55', '57-55=2'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,51 unequal: No Solution Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,51 unequal: No Solution Moving to Node #0,0,3 Current State: 51:[57, 54], Operations: ['81-26=55', '55-1=54'] Exploring Operation: 57+54=111, Resulting Numbers: [111] 111,51 unequal: No Solution Exploring Operation: 57-54=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 57*54=3078, Resulting Numbers: [3078] 3078,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[55, 56], Operations: ['81-26=55', '57-1=56'] Exploring Operation: 55+56=111, Resulting Numbers: [111] 111,51 unequal: No Solution Exploring Operation: 55*56=3080, Resulting Numbers: [3080] 3080,51 unequal: No Solution Exploring Operation: 56-55=1, Resulting Numbers: [1] 1,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[55, 57], Operations: ['81-26=55', '57/1=57'] Exploring Operation: 57-55=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 55*57=3135, Resulting Numbers: [3135] 3135,51 unequal: No Solution Exploring Operation: 55+57=112, Resulting Numbers: [112] 112,51 unequal: No Solution Moving to Node #0,0,4 Current State: 51:[55, 57], Operations: ['81-26=55', '1*57=57'] Exploring Operation: 57-55=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 55*57=3135, Resulting Numbers: [3135] 3135,51 unequal: No Solution Exploring Operation: 55+57=112, Resulting Numbers: [112] 112,51 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 #0,2 Current State: 51:[1, 26, 24], Operations: ['81-57=24'] Exploring Operation: 26+24=50, Resulting Numbers: [1, 50] Generated Node #0,2,0: 51:[1, 50] Operation: 26+24=50 Exploring Operation: 1*26=26, Resulting Numbers: [24, 26] Generated Node #0,2,1: 51:[24, 26] Operation: 1*26=26 Exploring Operation: 24-1=23, Resulting Numbers: [26, 23] Generated Node #0,2,2: 51:[26, 23] Operation: 24-1=23 Exploring Operation: 26-24=2, Resulting Numbers: [1, 2] Generated Node #0,2,3: 51:[1, 2] Operation: 26-24=2 Exploring Operation: 26-1=25, Resulting Numbers: [24, 25] Generated Node #0,2,4: 51:[24, 25] Operation: 26-1=25 Moving to Node #0,2,0 Current State: 51:[1, 50], Operations: ['81-57=24', '26+24=50'] Exploring Operation: 1+50=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[1, 81, 57, 26], Operations: [] Exploring Operation: 81-57=24, Resulting Numbers: [1, 26, 24] Generated Node #0,2: 51:[1, 26, 24] Operation: 81-57=24 Moving to Node #0,2 Current State: 51:[1, 26, 24], Operations: ['81-57=24'] Exploring Operation: 26+24=50, Resulting Numbers: [1, 50] Generated Node #0,2,0: 51:[1, 50] Operation: 26+24=50 Moving to Node #0,2,0 Current State: 51:[1, 50], Operations: ['81-57=24', '26+24=50'] Exploring Operation: 1+50=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 82, 9, 80, 88 ]
53
[ "82-80=2", "88/2=44", "9+44=53" ]
Current State: 53:[82, 9, 80, 88], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [9, 88, 2] Generated Node #2: [9, 88, 2] from Operation: 82-80=2 Current State: 53:[9, 88, 2], Operations: ['82-80=2'] Exploring Operation: 88/2=44, Resulting Numbers: [9, 44] Generated Node #3: [9, 44] from Operation: 88/2=44 Current State: 53:[9, 44], Operations: ['82-80=2', '88/2=44'] Exploring Operation: 9+44=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[82, 9, 80, 88], Operations: [] Exploring Operation: 80-9=71, Resulting Numbers: [82, 88, 71] Generated Node #0,0: 53:[82, 88, 71] Operation: 80-9=71 Exploring Operation: 88-9=79, Resulting Numbers: [82, 80, 79] Generated Node #0,1: 53:[82, 80, 79] Operation: 88-9=79 Exploring Operation: 82-9=73, Resulting Numbers: [80, 88, 73] Generated Node #0,2: 53:[80, 88, 73] Operation: 82-9=73 Exploring Operation: 9+80=89, Resulting Numbers: [82, 88, 89] Generated Node #0,3: 53:[82, 88, 89] Operation: 9+80=89 Exploring Operation: 82+9=91, Resulting Numbers: [80, 88, 91] Generated Node #0,4: 53:[80, 88, 91] Operation: 82+9=91 Moving to Node #0,0 Current State: 53:[82, 88, 71], Operations: ['80-9=71'] Exploring Operation: 82+88=170, Resulting Numbers: [71, 170] Generated Node #0,0,0: 53:[71, 170] Operation: 82+88=170 Exploring Operation: 82+71=153, Resulting Numbers: [88, 153] Generated Node #0,0,1: 53:[88, 153] Operation: 82+71=153 Exploring Operation: 88-71=17, Resulting Numbers: [82, 17] Generated Node #0,0,2: 53:[82, 17] Operation: 88-71=17 Exploring Operation: 82-71=11, Resulting Numbers: [88, 11] Generated Node #0,0,3: 53:[88, 11] Operation: 82-71=11 Exploring Operation: 88-82=6, Resulting Numbers: [71, 6] Generated Node #0,0,4: 53:[71, 6] Operation: 88-82=6 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 53:[82, 17], Operations: ['80-9=71', '88-71=17'] Exploring Operation: 82+17=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 82*17=1394, Resulting Numbers: [1394] 1394,53 unequal: No Solution Exploring Operation: 82-17=65, Resulting Numbers: [65] 65,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 53:[71, 6], Operations: ['80-9=71', '88-82=6'] Exploring Operation: 71*6=426, Resulting Numbers: [426] 426,53 unequal: No Solution Exploring Operation: 71+6=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 53:[88, 11], Operations: ['80-9=71', '82-71=11'] Exploring Operation: 88-11=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 88*11=968, Resulting Numbers: [968] 968,53 unequal: No Solution Exploring Operation: 88+11=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 88/11=8, Resulting Numbers: [8] 8,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[71, 170], Operations: ['80-9=71', '82+88=170'] Exploring Operation: 170-71=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 71*170=12070, Resulting Numbers: [12070] 12070,53 unequal: No Solution Exploring Operation: 71+170=241, Resulting Numbers: [241] 241,53 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:[88, 153], Operations: ['80-9=71', '82+71=153'] Exploring Operation: 88+153=241, Resulting Numbers: [241] 241,53 unequal: No Solution Exploring Operation: 88*153=13464, Resulting Numbers: [13464] 13464,53 unequal: No Solution Exploring Operation: 153-88=65, Resulting Numbers: [65] 65,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 53:[80, 88, 73], Operations: ['82-9=73'] Exploring Operation: 80+88=168, Resulting Numbers: [73, 168] Generated Node #0,2,0: 53:[73, 168] Operation: 80+88=168 Exploring Operation: 80-73=7, Resulting Numbers: [88, 7] Generated Node #0,2,1: 53:[88, 7] Operation: 80-73=7 Exploring Operation: 88-80=8, Resulting Numbers: [73, 8] Generated Node #0,2,2: 53:[73, 8] Operation: 88-80=8 Exploring Operation: 88-73=15, Resulting Numbers: [80, 15] Generated Node #0,2,3: 53:[80, 15] Operation: 88-73=15 Exploring Operation: 80+73=153, Resulting Numbers: [88, 153] Generated Node #0,2,4: 53:[88, 153] Operation: 80+73=153 Moving to Node #0,1 Current State: 53:[82, 80, 79], Operations: ['88-9=79'] Exploring Operation: 80-79=1, Resulting Numbers: [82, 1] Generated Node #0,1,0: 53:[82, 1] Operation: 80-79=1 Exploring Operation: 82+79=161, Resulting Numbers: [80, 161] Generated Node #0,1,1: 53:[80, 161] Operation: 82+79=161 Exploring Operation: 82-79=3, Resulting Numbers: [80, 3] Generated Node #0,1,2: 53:[80, 3] Operation: 82-79=3 Exploring Operation: 82-80=2, Resulting Numbers: [79, 2] Generated Node #0,1,3: 53:[79, 2] Operation: 82-80=2 Exploring Operation: 82+80=162, Resulting Numbers: [79, 162] Generated Node #0,1,4: 53:[79, 162] Operation: 82+80=162 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 53:[80, 3], Operations: ['88-9=79', '82-79=3'] Exploring Operation: 80+3=83, Resulting Numbers: [83] 83,53 unequal: No Solution Exploring Operation: 80*3=240, Resulting Numbers: [240] 240,53 unequal: No Solution Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 53:[79, 2], Operations: ['88-9=79', '82-80=2'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 79*2=158, Resulting Numbers: [158] 158,53 unequal: No Solution Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[82, 1], Operations: ['88-9=79', '80-79=1'] Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,53 unequal: No Solution Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,53 unequal: No Solution Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,53 unequal: No Solution Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[80, 161], Operations: ['88-9=79', '82+79=161'] Exploring Operation: 80+161=241, Resulting Numbers: [241] 241,53 unequal: No Solution Exploring Operation: 80*161=12880, Resulting Numbers: [12880] 12880,53 unequal: No Solution Exploring Operation: 161-80=81, Resulting Numbers: [81] 81,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 53:[79, 162], Operations: ['88-9=79', '82+80=162'] Exploring Operation: 79+162=241, Resulting Numbers: [241] 241,53 unequal: No Solution Exploring Operation: 162-79=83, Resulting Numbers: [83] 83,53 unequal: No Solution Exploring Operation: 79*162=12798, Resulting Numbers: [12798] 12798,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 53:[82, 88, 89], Operations: ['9+80=89'] Exploring Operation: 82+88=170, Resulting Numbers: [89, 170] Generated Node #0,3,0: 53:[89, 170] Operation: 82+88=170 Exploring Operation: 88-82=6, Resulting Numbers: [89, 6] Generated Node #0,3,1: 53:[89, 6] Operation: 88-82=6 Exploring Operation: 89-88=1, Resulting Numbers: [82, 1] Generated Node #0,3,2: 53:[82, 1] Operation: 89-88=1 Exploring Operation: 89-82=7, Resulting Numbers: [88, 7] Generated Node #0,3,3: 53:[88, 7] Operation: 89-82=7 Exploring Operation: 82+89=171, Resulting Numbers: [88, 171] Generated Node #0,3,4: 53:[88, 171] Operation: 82+89=171 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 53:[82, 1], Operations: ['9+80=89', '89-88=1'] Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,53 unequal: No Solution Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,53 unequal: No Solution Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,53 unequal: No Solution Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 53:[88, 7], Operations: ['9+80=89', '89-82=7'] Exploring Operation: 88+7=95, Resulting Numbers: [95] 95,53 unequal: No Solution Exploring Operation: 88*7=616, Resulting Numbers: [616] 616,53 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 53:[89, 6], Operations: ['9+80=89', '88-82=6'] Exploring Operation: 89*6=534, Resulting Numbers: [534] 534,53 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,53 unequal: No Solution Exploring Operation: 89+6=95, Resulting Numbers: [95] 95,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 53:[89, 170], Operations: ['9+80=89', '82+88=170'] Exploring Operation: 89+170=259, Resulting Numbers: [259] 259,53 unequal: No Solution Exploring Operation: 170-89=81, Resulting Numbers: [81] 81,53 unequal: No Solution Exploring Operation: 89*170=15130, Resulting Numbers: [15130] 15130,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 53:[88, 171], Operations: ['9+80=89', '82+89=171'] Exploring Operation: 88*171=15048, Resulting Numbers: [15048] 15048,53 unequal: No Solution Exploring Operation: 171-88=83, Resulting Numbers: [83] 83,53 unequal: No Solution Exploring Operation: 88+171=259, Resulting Numbers: [259] 259,53 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: 53:[80, 88, 91], Operations: ['82+9=91'] Exploring Operation: 80+88=168, Resulting Numbers: [91, 168] Generated Node #0,4,0: 53:[91, 168] Operation: 80+88=168 Exploring Operation: 80+91=171, Resulting Numbers: [88, 171] Generated Node #0,4,1: 53:[88, 171] Operation: 80+91=171 Exploring Operation: 91-80=11, Resulting Numbers: [88, 11] Generated Node #0,4,2: 53:[88, 11] Operation: 91-80=11 Exploring Operation: 91-88=3, Resulting Numbers: [80, 3] Generated Node #0,4,3: 53:[80, 3] Operation: 91-88=3 Exploring Operation: 88-80=8, Resulting Numbers: [91, 8] Generated Node #0,4,4: 53:[91, 8] Operation: 88-80=8 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 53:[88, 11], Operations: ['82+9=91', '91-80=11'] Exploring Operation: 88+11=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 88/11=8, Resulting Numbers: [8] 8,53 unequal: No Solution Exploring Operation: 88-11=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 88*11=968, Resulting Numbers: [968] 968,53 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 #0,4,3 Current State: 53:[80, 3], Operations: ['82+9=91', '91-88=3'] Exploring Operation: 80*3=240, Resulting Numbers: [240] 240,53 unequal: No Solution Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 80+3=83, Resulting Numbers: [83] 83,53 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 #0,4,4 Current State: 53:[91, 8], Operations: ['82+9=91', '88-80=8'] Exploring Operation: 91*8=728, Resulting Numbers: [728] 728,53 unequal: No Solution Exploring Operation: 91+8=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 91-8=83, Resulting Numbers: [83] 83,53 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 #0,4,0 Current State: 53:[91, 168], Operations: ['82+9=91', '80+88=168'] Exploring Operation: 168-91=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 91+168=259, Resulting Numbers: [259] 259,53 unequal: No Solution Exploring Operation: 91*168=15288, Resulting Numbers: [15288] 15288,53 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 #0,4,1 Current State: 53:[88, 171], Operations: ['82+9=91', '80+91=171'] Exploring Operation: 171-88=83, Resulting Numbers: [83] 83,53 unequal: No Solution Exploring Operation: 88+171=259, Resulting Numbers: [259] 259,53 unequal: No Solution Exploring Operation: 88*171=15048, Resulting Numbers: [15048] 15048,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 53:[73, 8], Operations: ['82-9=73', '88-80=8'] Exploring Operation: 73*8=584, Resulting Numbers: [584] 584,53 unequal: No Solution Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,53 unequal: No Solution Exploring Operation: 73+8=81, Resulting Numbers: [81] 81,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[80, 15], Operations: ['82-9=73', '88-73=15'] Exploring Operation: 80+15=95, Resulting Numbers: [95] 95,53 unequal: No Solution Exploring Operation: 80-15=65, Resulting Numbers: [65] 65,53 unequal: No Solution Exploring Operation: 80*15=1200, Resulting Numbers: [1200] 1200,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[88, 7], Operations: ['82-9=73', '80-73=7'] Exploring Operation: 88+7=95, Resulting Numbers: [95] 95,53 unequal: No Solution Exploring Operation: 88*7=616, Resulting Numbers: [616] 616,53 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[73, 168], Operations: ['82-9=73', '80+88=168'] Exploring Operation: 168-73=95, Resulting Numbers: [95] 95,53 unequal: No Solution Exploring Operation: 73*168=12264, Resulting Numbers: [12264] 12264,53 unequal: No Solution Exploring Operation: 73+168=241, Resulting Numbers: [241] 241,53 unequal: No Solution Moving to Node #0,2,4 Current State: 53:[88, 153], Operations: ['82-9=73', '80+73=153'] Exploring Operation: 88+153=241, Resulting Numbers: [241] 241,53 unequal: No Solution Exploring Operation: 88*153=13464, Resulting Numbers: [13464] 13464,53 unequal: No Solution Exploring Operation: 153-88=65, Resulting Numbers: [65] 65,53 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 80, 90, 50, 36 ]
76
[ "90-80=10", "50+36=86", "86-10=76" ]
Current State: 76:[80, 90, 50, 36], Operations: [] Exploring Operation: 90-80=10, Resulting Numbers: [50, 36, 10] Generated Node #2: [50, 36, 10] from Operation: 90-80=10 Current State: 76:[50, 36, 10], Operations: ['90-80=10'] Exploring Operation: 50+36=86, Resulting Numbers: [10, 86] Generated Node #3: [10, 86] from Operation: 50+36=86 Current State: 76:[10, 86], Operations: ['90-80=10', '50+36=86'] Exploring Operation: 86-10=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[80, 90, 50, 36], Operations: [] Exploring Operation: 90-80=10, Resulting Numbers: [50, 36, 10] Generated Node #0,0: 76:[50, 36, 10] Operation: 90-80=10 Exploring Operation: 80-50=30, Resulting Numbers: [90, 36, 30] Generated Node #0,1: 76:[90, 36, 30] Operation: 80-50=30 Exploring Operation: 50+36=86, Resulting Numbers: [80, 90, 86] Generated Node #0,2: 76:[80, 90, 86] Operation: 50+36=86 Exploring Operation: 50-36=14, Resulting Numbers: [80, 90, 14] Generated Node #0,3: 76:[80, 90, 14] Operation: 50-36=14 Exploring Operation: 90-50=40, Resulting Numbers: [80, 36, 40] Generated Node #0,4: 76:[80, 36, 40] Operation: 90-50=40 Start Sub Search at level 1: Moving to Node #0,4 Current State: 76:[80, 36, 40], Operations: ['90-50=40'] Exploring Operation: 80-36=44, Resulting Numbers: [40, 44] Generated Node #0,4,0: 76:[40, 44] Operation: 80-36=44 Exploring Operation: 80/40=2, Resulting Numbers: [36, 2] Generated Node #0,4,1: 76:[36, 2] Operation: 80/40=2 Exploring Operation: 36+40=76, Resulting Numbers: [80, 76] Generated Node #0,4,2: 76:[80, 76] Operation: 36+40=76 Exploring Operation: 80-40=40, Resulting Numbers: [36, 40] Generated Node #0,4,3: 76:[36, 40] Operation: 80-40=40 Exploring Operation: 40-36=4, Resulting Numbers: [80, 4] Generated Node #0,4,4: 76:[80, 4] Operation: 40-36=4 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 76:[36, 2], Operations: ['90-50=40', '80/40=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,76 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,76 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,76 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 76:[80, 76], Operations: ['90-50=40', '36+40=76'] Exploring Operation: 80-76=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 80+76=156, Resulting Numbers: [156] 156,76 unequal: No Solution Exploring Operation: 80*76=6080, Resulting Numbers: [6080] 6080,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 76:[36, 40], Operations: ['90-50=40', '80-40=40'] Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[80, 90, 50, 36], Operations: [] Exploring Operation: 90-50=40, Resulting Numbers: [80, 36, 40] Generated Node #0,4: 76:[80, 36, 40] Operation: 90-50=40 Moving to Node #0,4 Current State: 76:[80, 36, 40], Operations: ['90-50=40'] Exploring Operation: 80-40=40, Resulting Numbers: [36, 40] Generated Node #0,4,3: 76:[36, 40] Operation: 80-40=40 Moving to Node #0,4,3 Current State: 76:[36, 40], Operations: ['90-50=40', '80-40=40'] Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 51, 43, 33, 75 ]
14
[ "51+43=94", "33+75=108", "108-94=14" ]
Current State: 14:[51, 43, 33, 75], Operations: [] Exploring Operation: 51+43=94, Resulting Numbers: [33, 75, 94] Generated Node #2: [33, 75, 94] from Operation: 51+43=94 Current State: 14:[33, 75, 94], Operations: ['51+43=94'] Exploring Operation: 33+75=108, Resulting Numbers: [94, 108] Generated Node #3: [94, 108] from Operation: 33+75=108 Current State: 14:[94, 108], Operations: ['51+43=94', '33+75=108'] Exploring Operation: 108-94=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[51, 43, 33, 75], Operations: [] Exploring Operation: 75-51=24, Resulting Numbers: [43, 33, 24] Generated Node #0,0: 14:[43, 33, 24] Operation: 75-51=24 Exploring Operation: 75-43=32, Resulting Numbers: [51, 33, 32] Generated Node #0,1: 14:[51, 33, 32] Operation: 75-43=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[43, 33, 24], Operations: ['75-51=24'] Exploring Operation: 43-24=19, Resulting Numbers: [33, 19] Generated Node #0,0,0: 14:[33, 19] Operation: 43-24=19 Exploring Operation: 43-33=10, Resulting Numbers: [24, 10] Generated Node #0,0,1: 14:[24, 10] Operation: 43-33=10 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 14:[24, 10], Operations: ['75-51=24', '43-33=10'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[51, 43, 33, 75], Operations: [] Exploring Operation: 75-51=24, Resulting Numbers: [43, 33, 24] Generated Node #0,0: 14:[43, 33, 24] Operation: 75-51=24 Moving to Node #0,0 Current State: 14:[43, 33, 24], Operations: ['75-51=24'] Exploring Operation: 43-33=10, Resulting Numbers: [24, 10] Generated Node #0,0,1: 14:[24, 10] Operation: 43-33=10 Moving to Node #0,0,1 Current State: 14:[24, 10], Operations: ['75-51=24', '43-33=10'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 68, 7, 64, 14 ]
70
[ "68-64=4", "14-4=10", "7*10=70" ]
Current State: 70:[68, 7, 64, 14], Operations: [] Exploring Operation: 68-64=4, Resulting Numbers: [7, 14, 4] Generated Node #2: [7, 14, 4] from Operation: 68-64=4 Current State: 70:[7, 14, 4], Operations: ['68-64=4'] Exploring Operation: 14-4=10, Resulting Numbers: [7, 10] Generated Node #3: [7, 10] from Operation: 14-4=10 Current State: 70:[7, 10], Operations: ['68-64=4', '14-4=10'] Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[68, 7, 64, 14], Operations: [] Exploring Operation: 14-7=7, Resulting Numbers: [68, 64, 7] Generated Node #0,0: 70:[68, 64, 7] Operation: 14-7=7 Exploring Operation: 7+64=71, Resulting Numbers: [68, 14, 71] Generated Node #0,1: 70:[68, 14, 71] Operation: 7+64=71 Exploring Operation: 68-64=4, Resulting Numbers: [7, 14, 4] Generated Node #0,2: 70:[7, 14, 4] Operation: 68-64=4 Moving to Node #0,2 Current State: 70:[7, 14, 4], Operations: ['68-64=4'] Exploring Operation: 14-4=10, Resulting Numbers: [7, 10] Generated Node #0,2,0: 70:[7, 10] Operation: 14-4=10 Exploring Operation: 14-7=7, Resulting Numbers: [4, 7] Generated Node #0,2,1: 70:[4, 7] Operation: 14-7=7 Exploring Operation: 14/7=2, Resulting Numbers: [4, 2] Generated Node #0,2,2: 70:[4, 2] Operation: 14/7=2 Moving to Node #0,1 Current State: 70:[68, 14, 71], Operations: ['7+64=71'] Exploring Operation: 68+14=82, Resulting Numbers: [71, 82] Generated Node #0,1,0: 70:[71, 82] Operation: 68+14=82 Exploring Operation: 71-14=57, Resulting Numbers: [68, 57] Generated Node #0,1,1: 70:[68, 57] Operation: 71-14=57 Exploring Operation: 71-68=3, Resulting Numbers: [14, 3] Generated Node #0,1,2: 70:[14, 3] Operation: 71-68=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[14, 3], Operations: ['7+64=71', '71-68=3'] Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,70 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,70 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[71, 82], Operations: ['7+64=71', '68+14=82'] Exploring Operation: 71*82=5822, Resulting Numbers: [5822] 5822,70 unequal: No Solution Exploring Operation: 71+82=153, Resulting Numbers: [153] 153,70 unequal: No Solution Exploring Operation: 82-71=11, Resulting Numbers: [11] 11,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[68, 57], Operations: ['7+64=71', '71-14=57'] Exploring Operation: 68+57=125, Resulting Numbers: [125] 125,70 unequal: No Solution Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,70 unequal: No Solution Exploring Operation: 68*57=3876, Resulting Numbers: [3876] 3876,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 70:[68, 64, 7], Operations: ['14-7=7'] Exploring Operation: 64+7=71, Resulting Numbers: [68, 71] Generated Node #0,0,0: 70:[68, 71] Operation: 64+7=71 Exploring Operation: 68+7=75, Resulting Numbers: [64, 75] Generated Node #0,0,1: 70:[64, 75] Operation: 68+7=75 Exploring Operation: 68-64=4, Resulting Numbers: [7, 4] Generated Node #0,0,2: 70:[7, 4] Operation: 68-64=4 Moving to Node #0,2,0 Current State: 70:[7, 10], Operations: ['68-64=4', '14-4=10'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[68, 7, 64, 14], Operations: [] Exploring Operation: 68-64=4, Resulting Numbers: [7, 14, 4] Generated Node #0,2: 70:[7, 14, 4] Operation: 68-64=4 Moving to Node #0,2 Current State: 70:[7, 14, 4], Operations: ['68-64=4'] Exploring Operation: 14-4=10, Resulting Numbers: [7, 10] Generated Node #0,2,0: 70:[7, 10] Operation: 14-4=10 Moving to Node #0,2,0 Current State: 70:[7, 10], Operations: ['68-64=4', '14-4=10'] Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
0.976563
hs_3
sum_heuristic
[ 95, 53, 48, 19 ]
71
[ "95-53=42", "48-19=29", "42+29=71" ]
Current State: 71:[95, 53, 48, 19], Operations: [] Exploring Operation: 95-53=42, Resulting Numbers: [48, 19, 42] Generated Node #2: [48, 19, 42] from Operation: 95-53=42 Current State: 71:[48, 19, 42], Operations: ['95-53=42'] Exploring Operation: 48-19=29, Resulting Numbers: [42, 29] Generated Node #3: [42, 29] from Operation: 48-19=29 Current State: 71:[42, 29], Operations: ['95-53=42', '48-19=29'] Exploring Operation: 42+29=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[95, 53, 48, 19], Operations: [] Exploring Operation: 53+19=72, Resulting Numbers: [95, 48, 72] Generated Node #0,0: 71:[95, 48, 72] Operation: 53+19=72 Exploring Operation: 95-19=76, Resulting Numbers: [53, 48, 76] Generated Node #0,1: 71:[53, 48, 76] Operation: 95-19=76 Exploring Operation: 48+19=67, Resulting Numbers: [95, 53, 67] Generated Node #0,2: 71:[95, 53, 67] Operation: 48+19=67 Moving to Node #0,1 Current State: 71:[53, 48, 76], Operations: ['95-19=76'] Exploring Operation: 53-48=5, Resulting Numbers: [76, 5] Generated Node #0,1,0: 71:[76, 5] Operation: 53-48=5 Exploring Operation: 53+48=101, Resulting Numbers: [76, 101] Generated Node #0,1,1: 71:[76, 101] Operation: 53+48=101 Exploring Operation: 76-48=28, Resulting Numbers: [53, 28] Generated Node #0,1,2: 71:[53, 28] Operation: 76-48=28 Moving to Node #0,2 Current State: 71:[95, 53, 67], Operations: ['48+19=67'] Exploring Operation: 95-53=42, Resulting Numbers: [67, 42] Generated Node #0,2,0: 71:[67, 42] Operation: 95-53=42 Exploring Operation: 95-67=28, Resulting Numbers: [53, 28] Generated Node #0,2,1: 71:[53, 28] Operation: 95-67=28 Exploring Operation: 53+67=120, Resulting Numbers: [95, 120] Generated Node #0,2,2: 71:[95, 120] Operation: 53+67=120 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 71:[67, 42], Operations: ['48+19=67', '95-53=42'] Exploring Operation: 67*42=2814, Resulting Numbers: [2814] 2814,71 unequal: No Solution Exploring Operation: 67-42=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 67+42=109, Resulting Numbers: [109] 109,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 71:[53, 28], Operations: ['48+19=67', '95-67=28'] Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,71 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 71:[95, 120], Operations: ['48+19=67', '53+67=120'] Exploring Operation: 95*120=11400, Resulting Numbers: [11400] 11400,71 unequal: No Solution Exploring Operation: 120-95=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 95+120=215, Resulting Numbers: [215] 215,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 71:[95, 48, 72], Operations: ['53+19=72'] Exploring Operation: 95-72=23, Resulting Numbers: [48, 23] Generated Node #0,0,0: 71:[48, 23] Operation: 95-72=23 Exploring Operation: 95-48=47, Resulting Numbers: [72, 47] Generated Node #0,0,1: 71:[72, 47] Operation: 95-48=47 Exploring Operation: 72-48=24, Resulting Numbers: [95, 24] Generated Node #0,0,2: 71:[95, 24] Operation: 72-48=24 Moving to Node #0,0,1 Current State: 71:[72, 47], Operations: ['53+19=72', '95-48=47'] Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 72+47=119, Resulting Numbers: [119] 119,71 unequal: No Solution Exploring Operation: 72*47=3384, Resulting Numbers: [3384] 3384,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[76, 101], Operations: ['95-19=76', '53+48=101'] Exploring Operation: 76+101=177, Resulting Numbers: [177] 177,71 unequal: No Solution Exploring Operation: 76*101=7676, Resulting Numbers: [7676] 7676,71 unequal: No Solution Exploring Operation: 101-76=25, Resulting Numbers: [25] 25,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[53, 28], Operations: ['95-19=76', '76-48=28'] Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,71 unequal: No Solution Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[76, 5], Operations: ['95-19=76', '53-48=5'] Exploring Operation: 76*5=380, Resulting Numbers: [380] 380,71 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[95, 53, 48, 19], Operations: [] Exploring Operation: 95-19=76, Resulting Numbers: [53, 48, 76] Generated Node #0,1: 71:[53, 48, 76] Operation: 95-19=76 Moving to Node #0,1 Current State: 71:[53, 48, 76], Operations: ['95-19=76'] Exploring Operation: 53-48=5, Resulting Numbers: [76, 5] Generated Node #0,1,0: 71:[76, 5] Operation: 53-48=5 Moving to Node #0,1,0 Current State: 71:[76, 5], Operations: ['95-19=76', '53-48=5'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
0.96875
hs_3
mult_heuristic
[ 48, 5, 10, 12 ]
75
[ "48+5=53", "10+12=22", "53+22=75" ]
Current State: 75:[48, 5, 10, 12], Operations: [] Exploring Operation: 48+5=53, Resulting Numbers: [10, 12, 53] Generated Node #2: [10, 12, 53] from Operation: 48+5=53 Current State: 75:[10, 12, 53], Operations: ['48+5=53'] Exploring Operation: 10+12=22, Resulting Numbers: [53, 22] Generated Node #3: [53, 22] from Operation: 10+12=22 Current State: 75:[53, 22], Operations: ['48+5=53', '10+12=22'] Exploring Operation: 53+22=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[48, 5, 10, 12], Operations: [] Exploring Operation: 48/12=4, Resulting Numbers: [5, 10, 4] Generated Node #0,0: 75:[5, 10, 4] Operation: 48/12=4 Exploring Operation: 48-10=38, Resulting Numbers: [5, 12, 38] Generated Node #0,1: 75:[5, 12, 38] Operation: 48-10=38 Moving to Node #0,0 Current State: 75:[5, 10, 4], Operations: ['48/12=4'] Exploring Operation: 5+10=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 75:[4, 15] Operation: 5+10=15 Exploring Operation: 10-5=5, Resulting Numbers: [4, 5] Generated Node #0,0,1: 75:[4, 5] Operation: 10-5=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[4, 15], Operations: ['48/12=4', '5+10=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[4, 5], Operations: ['48/12=4', '10-5=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 75:[5, 12, 38], Operations: ['48-10=38'] Exploring Operation: 38-12=26, Resulting Numbers: [5, 26] Generated Node #0,1,0: 75:[5, 26] Operation: 38-12=26 Exploring Operation: 38-5=33, Resulting Numbers: [12, 33] Generated Node #0,1,1: 75:[12, 33] Operation: 38-5=33 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[5, 26], Operations: ['48-10=38', '38-12=26'] Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[12, 33], Operations: ['48-10=38', '38-5=33'] Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,75 unequal: No Solution Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 2, 6, 42, 2 ]
80
[ "6-2=4", "42*2=84", "84-4=80" ]
Current State: 80:[2, 6, 42, 2], Operations: [] Exploring Operation: 6-2=4, Resulting Numbers: [42, 4] Generated Node #2: [42, 4] from Operation: 6-2=4 Current State: 80:[42, 4], Operations: ['6-2=4'] Exploring Operation: 42*2=84, Resulting Numbers: [4, 84] Generated Node #3: [4, 84] from Operation: 42*2=84 Current State: 80:[4, 84], Operations: ['6-2=4', '42*2=84'] Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[2, 6, 42, 2], Operations: [] Exploring Operation: 42/6=7, Resulting Numbers: [2, 2, 7] Generated Node #0,0: 80:[2, 2, 7] Operation: 42/6=7 Exploring Operation: 42-2=40, Resulting Numbers: [6, 2, 40] Generated Node #0,1: 80:[6, 2, 40] Operation: 42-2=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[2, 2, 7], Operations: ['42/6=7'] Exploring Operation: 7-2=5, Resulting Numbers: [2, 5] Generated Node #0,0,0: 80:[2, 5] Operation: 7-2=5 Exploring Operation: 7-2=5, Resulting Numbers: [2, 5] Generated Node #0,0,1: 80:[2, 5] Operation: 7-2=5 Moving to Node #0,0,0 Current State: 80:[2, 5], Operations: ['42/6=7', '7-2=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,80 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,80 unequal: No Solution Moving to Node #0,0,1 Current State: 80:[2, 5], Operations: ['42/6=7', '7-2=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,80 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,80 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 Current State: 80:[6, 2, 40], Operations: ['42-2=40'] Exploring Operation: 6+2=8, Resulting Numbers: [40, 8] Generated Node #0,1,0: 80:[40, 8] Operation: 6+2=8 Exploring Operation: 6-2=4, Resulting Numbers: [40, 4] Generated Node #0,1,1: 80:[40, 4] Operation: 6-2=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[40, 8], Operations: ['42-2=40', '6+2=8'] Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 80:[40, 4], Operations: ['42-2=40', '6-2=4'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 38, 16, 29, 6 ]
13
[ "38-16=22", "29+6=35", "35-22=13" ]
Current State: 13:[38, 16, 29, 6], Operations: [] Exploring Operation: 38-16=22, Resulting Numbers: [29, 6, 22] Generated Node #2: [29, 6, 22] from Operation: 38-16=22 Current State: 13:[29, 6, 22], Operations: ['38-16=22'] Exploring Operation: 29+6=35, Resulting Numbers: [22, 35] Generated Node #3: [22, 35] from Operation: 29+6=35 Current State: 13:[22, 35], Operations: ['38-16=22', '29+6=35'] Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[38, 16, 29, 6], Operations: [] Exploring Operation: 38-29=9, Resulting Numbers: [16, 6, 9] Generated Node #0,0: 13:[16, 6, 9] Operation: 38-29=9 Exploring Operation: 38-6=32, Resulting Numbers: [16, 29, 32] Generated Node #0,1: 13:[16, 29, 32] Operation: 38-6=32 Exploring Operation: 38-16=22, Resulting Numbers: [29, 6, 22] Generated Node #0,2: 13:[29, 6, 22] Operation: 38-16=22 Exploring Operation: 29-16=13, Resulting Numbers: [38, 6, 13] Generated Node #0,3: 13:[38, 6, 13] Operation: 29-16=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[16, 6, 9], Operations: ['38-29=9'] Exploring Operation: 16-9=7, Resulting Numbers: [6, 7] Generated Node #0,0,0: 13:[6, 7] Operation: 16-9=7 Exploring Operation: 16-6=10, Resulting Numbers: [9, 10] Generated Node #0,0,1: 13:[9, 10] Operation: 16-6=10 Exploring Operation: 16+6=22, Resulting Numbers: [9, 22] Generated Node #0,0,2: 13:[9, 22] Operation: 16+6=22 Exploring Operation: 6+9=15, Resulting Numbers: [16, 15] Generated Node #0,0,3: 13:[16, 15] Operation: 6+9=15 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 13:[16, 15], Operations: ['38-29=9', '6+9=15'] Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,13 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,13 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,13 unequal: No Solution No 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: 13:[9, 10], Operations: ['38-29=9', '16-6=10'] Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,13 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,13 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,13 unequal: No Solution No 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: 13:[6, 7], Operations: ['38-29=9', '16-9=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[38, 16, 29, 6], Operations: [] Exploring Operation: 38-29=9, Resulting Numbers: [16, 6, 9] Generated Node #0,0: 13:[16, 6, 9] Operation: 38-29=9 Moving to Node #0,0 Current State: 13:[16, 6, 9], Operations: ['38-29=9'] Exploring Operation: 16-9=7, Resulting Numbers: [6, 7] Generated Node #0,0,0: 13:[6, 7] Operation: 16-9=7 Moving to Node #0,0,0 Current State: 13:[6, 7], Operations: ['38-29=9', '16-9=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 27, 21, 9, 39 ]
81
[ "27+21=48", "48-39=9", "9*9=81" ]
Current State: 81:[27, 21, 9, 39], Operations: [] Exploring Operation: 27+21=48, Resulting Numbers: [9, 39, 48] Generated Node #2: [9, 39, 48] from Operation: 27+21=48 Current State: 81:[9, 39, 48], Operations: ['27+21=48'] Exploring Operation: 48-39=9, Resulting Numbers: [9, 9] Generated Node #3: [9, 9] from Operation: 48-39=9 Current State: 81:[9, 9], Operations: ['27+21=48', '48-39=9'] Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[27, 21, 9, 39], Operations: [] Exploring Operation: 39-27=12, Resulting Numbers: [21, 9, 12] Generated Node #0,0: 81:[21, 9, 12] Operation: 39-27=12 Exploring Operation: 39-21=18, Resulting Numbers: [27, 9, 18] Generated Node #0,1: 81:[27, 9, 18] Operation: 39-21=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[21, 9, 12], Operations: ['39-27=12'] Exploring Operation: 21-12=9, Resulting Numbers: [9, 9] Generated Node #0,0,0: 81:[9, 9] Operation: 21-12=9 Exploring Operation: 21+9=30, Resulting Numbers: [12, 30] Generated Node #0,0,1: 81:[12, 30] Operation: 21+9=30 Moving to Node #0,0,0 Current State: 81:[9, 9], Operations: ['39-27=12', '21-12=9'] Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[27, 21, 9, 39], Operations: [] Exploring Operation: 39-27=12, Resulting Numbers: [21, 9, 12] Generated Node #0,0: 81:[21, 9, 12] Operation: 39-27=12 Moving to Node #0,0 Current State: 81:[21, 9, 12], Operations: ['39-27=12'] Exploring Operation: 21-12=9, Resulting Numbers: [9, 9] Generated Node #0,0,0: 81:[9, 9] Operation: 21-12=9 Moving to Node #0,0,0 Current State: 81:[9, 9], Operations: ['39-27=12', '21-12=9'] Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 99, 88, 99, 54 ]
33
[ "99/99=1", "88-54=34", "34-1=33" ]
Current State: 33:[99, 88, 99, 54], Operations: [] Exploring Operation: 99/99=1, Resulting Numbers: [88, 54, 1] Generated Node #2: [88, 54, 1] from Operation: 99/99=1 Current State: 33:[88, 54, 1], Operations: ['99/99=1'] Exploring Operation: 88-54=34, Resulting Numbers: [1, 34] Generated Node #3: [1, 34] from Operation: 88-54=34 Current State: 33:[1, 34], Operations: ['99/99=1', '88-54=34'] Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[99, 88, 99, 54], Operations: [] Exploring Operation: 99-88=11, Resulting Numbers: [99, 54, 11] Generated Node #0,0: 33:[99, 54, 11] Operation: 99-88=11 Exploring Operation: 99-99=0, Resulting Numbers: [88, 54, 0] Generated Node #0,1: 33:[88, 54, 0] Operation: 99-99=0 Exploring Operation: 99/99=1, Resulting Numbers: [88, 54, 1] Generated Node #0,2: 33:[88, 54, 1] Operation: 99/99=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[88, 54, 1], Operations: ['99/99=1'] Exploring Operation: 54-1=53, Resulting Numbers: [88, 53] Generated Node #0,2,0: 33:[88, 53] Operation: 54-1=53 Exploring Operation: 88-54=34, Resulting Numbers: [1, 34] Generated Node #0,2,1: 33:[1, 34] Operation: 88-54=34 Exploring Operation: 88-1=87, Resulting Numbers: [54, 87] Generated Node #0,2,2: 33:[54, 87] Operation: 88-1=87 Moving to Node #0,2,1 Current State: 33:[1, 34], Operations: ['99/99=1', '88-54=34'] Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[99, 88, 99, 54], Operations: [] Exploring Operation: 99/99=1, Resulting Numbers: [88, 54, 1] Generated Node #0,2: 33:[88, 54, 1] Operation: 99/99=1 Moving to Node #0,2 Current State: 33:[88, 54, 1], Operations: ['99/99=1'] Exploring Operation: 88-54=34, Resulting Numbers: [1, 34] Generated Node #0,2,1: 33:[1, 34] Operation: 88-54=34 Moving to Node #0,2,1 Current State: 33:[1, 34], Operations: ['99/99=1', '88-54=34'] Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 19, 13, 75, 72 ]
35
[ "19+13=32", "75-72=3", "32+3=35" ]
Current State: 35:[19, 13, 75, 72], Operations: [] Exploring Operation: 19+13=32, Resulting Numbers: [75, 72, 32] Generated Node #2: [75, 72, 32] from Operation: 19+13=32 Current State: 35:[75, 72, 32], Operations: ['19+13=32'] Exploring Operation: 75-72=3, Resulting Numbers: [32, 3] Generated Node #3: [32, 3] from Operation: 75-72=3 Current State: 35:[32, 3], Operations: ['19+13=32', '75-72=3'] Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[19, 13, 75, 72], Operations: [] Exploring Operation: 75-72=3, Resulting Numbers: [19, 13, 3] Generated Node #0,0: 35:[19, 13, 3] Operation: 75-72=3 Moving to Node #0,0 Current State: 35:[19, 13, 3], Operations: ['75-72=3'] Exploring Operation: 19-13=6, Resulting Numbers: [3, 6] Generated Node #0,0,0: 35:[3, 6] Operation: 19-13=6 Moving to Node #0,0,0 Current State: 35:[3, 6], Operations: ['75-72=3', '19-13=6'] Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,35 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 6, 74, 34, 30 ]
12
[ "74+34=108", "108/6=18", "30-18=12" ]
Current State: 12:[6, 74, 34, 30], Operations: [] Exploring Operation: 74+34=108, Resulting Numbers: [6, 30, 108] Generated Node #2: [6, 30, 108] from Operation: 74+34=108 Current State: 12:[6, 30, 108], Operations: ['74+34=108'] Exploring Operation: 108/6=18, Resulting Numbers: [30, 18] Generated Node #3: [30, 18] from Operation: 108/6=18 Current State: 12:[30, 18], Operations: ['74+34=108', '108/6=18'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[6, 74, 34, 30], Operations: [] Exploring Operation: 74-34=40, Resulting Numbers: [6, 30, 40] Generated Node #0,0: 12:[6, 30, 40] Operation: 74-34=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[6, 30, 40], Operations: ['74-34=40'] Exploring Operation: 40-30=10, Resulting Numbers: [6, 10] Generated Node #0,0,0: 12:[6, 10] Operation: 40-30=10 Moving to Node #0,0,0 Current State: 12:[6, 10], Operations: ['74-34=40', '40-30=10'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,12 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
[ 85, 56, 17, 56 ]
69
[ "85-17=68", "56/56=1", "68+1=69" ]
Current State: 69:[85, 56, 17, 56], Operations: [] Exploring Operation: 85-17=68, Resulting Numbers: [56, 56, 68] Generated Node #2: [56, 56, 68] from Operation: 85-17=68 Current State: 69:[56, 56, 68], Operations: ['85-17=68'] Exploring Operation: 56/56=1, Resulting Numbers: [68, 1] Generated Node #3: [68, 1] from Operation: 56/56=1 Current State: 69:[68, 1], Operations: ['85-17=68', '56/56=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[85, 56, 17, 56], Operations: [] Exploring Operation: 56/56=1, Resulting Numbers: [85, 17, 1] Generated Node #0,0: 69:[85, 17, 1] Operation: 56/56=1 Exploring Operation: 85-56=29, Resulting Numbers: [17, 56, 29] Generated Node #0,1: 69:[17, 56, 29] Operation: 85-56=29 Moving to Node #0,0 Current State: 69:[85, 17, 1], Operations: ['56/56=1'] Exploring Operation: 85/17=5, Resulting Numbers: [1, 5] Generated Node #0,0,0: 69:[1, 5] Operation: 85/17=5 Exploring Operation: 85-17=68, Resulting Numbers: [1, 68] Generated Node #0,0,1: 69:[1, 68] Operation: 85-17=68 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[1, 68], Operations: ['56/56=1', '85-17=68'] Exploring Operation: 1*68=68, Resulting Numbers: [68] 68,69 unequal: No Solution Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[85, 56, 17, 56], Operations: [] Exploring Operation: 56/56=1, Resulting Numbers: [85, 17, 1] Generated Node #0,0: 69:[85, 17, 1] Operation: 56/56=1 Moving to Node #0,0 Current State: 69:[85, 17, 1], Operations: ['56/56=1'] Exploring Operation: 85-17=68, Resulting Numbers: [1, 68] Generated Node #0,0,1: 69:[1, 68] Operation: 85-17=68 Moving to Node #0,0,1 Current State: 69:[1, 68], Operations: ['56/56=1', '85-17=68'] Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic