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
[ 2, 6, 16, 29 ]
37
[ "2+6=8", "16+29=45", "45-8=37" ]
Current State: 37:[2, 6, 16, 29], Operations: [] Exploring Operation: 2+6=8, Resulting Numbers: [16, 29, 8] Generated Node #2: [16, 29, 8] from Operation: 2+6=8 Current State: 37:[16, 29, 8], Operations: ['2+6=8'] Exploring Operation: 16+29=45, Resulting Numbers: [8, 45] Generated Node #3: [8, 45] from Operation: 16+29=45 Current State: 37:[8, 45], Operations: ['2+6=8', '16+29=45'] Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[2, 6, 16, 29], Operations: [] Exploring Operation: 2*16=32, Resulting Numbers: [6, 29, 32] Generated Node #0,0: 37:[6, 29, 32] Operation: 2*16=32 Moving to Node #0,0 Current State: 37:[6, 29, 32], Operations: ['2*16=32'] Exploring Operation: 6+29=35, Resulting Numbers: [32, 35] Generated Node #0,0,0: 37:[32, 35] Operation: 6+29=35 Moving to Node #0,0,0 Current State: 37:[32, 35], Operations: ['2*16=32', '6+29=35'] Exploring Operation: 32+35=67, Resulting Numbers: [67] 67,37 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 51, 24, 55, 86 ]
44
[ "51+24=75", "86-55=31", "75-31=44" ]
Current State: 44:[51, 24, 55, 86], Operations: [] Exploring Operation: 51+24=75, Resulting Numbers: [55, 86, 75] Generated Node #2: [55, 86, 75] from Operation: 51+24=75 Current State: 44:[55, 86, 75], Operations: ['51+24=75'] Exploring Operation: 86-55=31, Resulting Numbers: [75, 31] Generated Node #3: [75, 31] from Operation: 86-55=31 Current State: 44:[75, 31], Operations: ['51+24=75', '86-55=31'] Exploring Operation: 75-31=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[51, 24, 55, 86], Operations: [] Exploring Operation: 86-51=35, Resulting Numbers: [24, 55, 35] Generated Node #0,0: 44:[24, 55, 35] Operation: 86-51=35 Exploring Operation: 86-24=62, Resulting Numbers: [51, 55, 62] Generated Node #0,1: 44:[51, 55, 62] Operation: 86-24=62 Exploring Operation: 86-55=31, Resulting Numbers: [51, 24, 31] Generated Node #0,2: 44:[51, 24, 31] Operation: 86-55=31 Moving to Node #0,2 Current State: 44:[51, 24, 31], Operations: ['86-55=31'] Exploring Operation: 51-24=27, Resulting Numbers: [31, 27] Generated Node #0,2,0: 44:[31, 27] Operation: 51-24=27 Exploring Operation: 51-31=20, Resulting Numbers: [24, 20] Generated Node #0,2,1: 44:[24, 20] Operation: 51-31=20 Exploring Operation: 31-24=7, Resulting Numbers: [51, 7] Generated Node #0,2,2: 44:[51, 7] Operation: 31-24=7 Moving to Node #0,0 Current State: 44:[24, 55, 35], Operations: ['86-51=35'] Exploring Operation: 55-24=31, Resulting Numbers: [35, 31] Generated Node #0,0,0: 44:[35, 31] Operation: 55-24=31 Exploring Operation: 55-35=20, Resulting Numbers: [24, 20] Generated Node #0,0,1: 44:[24, 20] Operation: 55-35=20 Exploring Operation: 35-24=11, Resulting Numbers: [55, 11] Generated Node #0,0,2: 44:[55, 11] Operation: 35-24=11 Moving to Node #0,1 Current State: 44:[51, 55, 62], Operations: ['86-24=62'] Exploring Operation: 55-51=4, Resulting Numbers: [62, 4] Generated Node #0,1,0: 44:[62, 4] Operation: 55-51=4 Exploring Operation: 62-55=7, Resulting Numbers: [51, 7] Generated Node #0,1,1: 44:[51, 7] Operation: 62-55=7 Exploring Operation: 62-51=11, Resulting Numbers: [55, 11] Generated Node #0,1,2: 44:[55, 11] Operation: 62-51=11 Moving to Node #0,2,1 Current State: 44:[24, 20], Operations: ['86-55=31', '51-31=20'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[51, 24, 55, 86], Operations: [] Exploring Operation: 86-55=31, Resulting Numbers: [51, 24, 31] Generated Node #0,2: 44:[51, 24, 31] Operation: 86-55=31 Moving to Node #0,2 Current State: 44:[51, 24, 31], Operations: ['86-55=31'] Exploring Operation: 51-31=20, Resulting Numbers: [24, 20] Generated Node #0,2,1: 44:[24, 20] Operation: 51-31=20 Moving to Node #0,2,1 Current State: 44:[24, 20], Operations: ['86-55=31', '51-31=20'] Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
0.984375
hs_3
mult_heuristic
[ 88, 46, 37, 96 ]
17
[ "88-46=42", "96-37=59", "59-42=17" ]
Current State: 17:[88, 46, 37, 96], Operations: [] Exploring Operation: 88-46=42, Resulting Numbers: [37, 96, 42] Generated Node #2: [37, 96, 42] from Operation: 88-46=42 Current State: 17:[37, 96, 42], Operations: ['88-46=42'] Exploring Operation: 96-37=59, Resulting Numbers: [42, 59] Generated Node #3: [42, 59] from Operation: 96-37=59 Current State: 17:[42, 59], Operations: ['88-46=42', '96-37=59'] Exploring Operation: 59-42=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[88, 46, 37, 96], Operations: [] Exploring Operation: 96-88=8, Resulting Numbers: [46, 37, 8] Generated Node #0,0: 17:[46, 37, 8] Operation: 96-88=8 Exploring Operation: 96-46=50, Resulting Numbers: [88, 37, 50] Generated Node #0,1: 17:[88, 37, 50] Operation: 96-46=50 Exploring Operation: 88-37=51, Resulting Numbers: [46, 96, 51] Generated Node #0,2: 17:[46, 96, 51] Operation: 88-37=51 Exploring Operation: 88-46=42, Resulting Numbers: [37, 96, 42] Generated Node #0,3: 17:[37, 96, 42] Operation: 88-46=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[46, 37, 8], Operations: ['96-88=8'] Exploring Operation: 46+8=54, Resulting Numbers: [37, 54] Generated Node #0,0,0: 17:[37, 54] Operation: 46+8=54 Exploring Operation: 37-8=29, Resulting Numbers: [46, 29] Generated Node #0,0,1: 17:[46, 29] Operation: 37-8=29 Exploring Operation: 46-8=38, Resulting Numbers: [37, 38] Generated Node #0,0,2: 17:[37, 38] Operation: 46-8=38 Exploring Operation: 46-37=9, Resulting Numbers: [8, 9] Generated Node #0,0,3: 17:[8, 9] Operation: 46-37=9 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 17:[8, 9], Operations: ['96-88=8', '46-37=9'] Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,17 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[88, 46, 37, 96], Operations: [] Exploring Operation: 96-88=8, Resulting Numbers: [46, 37, 8] Generated Node #0,0: 17:[46, 37, 8] Operation: 96-88=8 Moving to Node #0,0 Current State: 17:[46, 37, 8], Operations: ['96-88=8'] Exploring Operation: 46-37=9, Resulting Numbers: [8, 9] Generated Node #0,0,3: 17:[8, 9] Operation: 46-37=9 Moving to Node #0,0,3 Current State: 17:[8, 9], Operations: ['96-88=8', '46-37=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 53, 50, 14, 56 ]
16
[ "50+56=106", "106/53=2", "14+2=16" ]
Current State: 16:[53, 50, 14, 56], Operations: [] Exploring Operation: 50+56=106, Resulting Numbers: [53, 14, 106] Generated Node #2: [53, 14, 106] from Operation: 50+56=106 Current State: 16:[53, 14, 106], Operations: ['50+56=106'] Exploring Operation: 106/53=2, Resulting Numbers: [14, 2] Generated Node #3: [14, 2] from Operation: 106/53=2 Current State: 16:[14, 2], Operations: ['50+56=106', '106/53=2'] Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[53, 50, 14, 56], Operations: [] Exploring Operation: 56-50=6, Resulting Numbers: [53, 14, 6] Generated Node #0,0: 16:[53, 14, 6] Operation: 56-50=6 Exploring Operation: 56/14=4, Resulting Numbers: [53, 50, 4] Generated Node #0,1: 16:[53, 50, 4] Operation: 56/14=4 Exploring Operation: 56-53=3, Resulting Numbers: [50, 14, 3] Generated Node #0,2: 16:[50, 14, 3] Operation: 56-53=3 Exploring Operation: 53-50=3, Resulting Numbers: [14, 56, 3] Generated Node #0,3: 16:[14, 56, 3] Operation: 53-50=3 Exploring Operation: 53-14=39, Resulting Numbers: [50, 56, 39] Generated Node #0,4: 16:[50, 56, 39] Operation: 53-14=39 Moving to Node #0,2 Current State: 16:[50, 14, 3], Operations: ['56-53=3'] Exploring Operation: 14-3=11, Resulting Numbers: [50, 11] Generated Node #0,2,0: 16:[50, 11] Operation: 14-3=11 Exploring Operation: 50-14=36, Resulting Numbers: [3, 36] Generated Node #0,2,1: 16:[3, 36] Operation: 50-14=36 Exploring Operation: 50+3=53, Resulting Numbers: [14, 53] Generated Node #0,2,2: 16:[14, 53] Operation: 50+3=53 Exploring Operation: 50-3=47, Resulting Numbers: [14, 47] Generated Node #0,2,3: 16:[14, 47] Operation: 50-3=47 Exploring Operation: 14+3=17, Resulting Numbers: [50, 17] Generated Node #0,2,4: 16:[50, 17] Operation: 14+3=17 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 16:[3, 36], Operations: ['56-53=3', '50-14=36'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 3*36=108, Resulting Numbers: [108] 108,16 unequal: No Solution Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,16 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 16:[14, 47], Operations: ['56-53=3', '50-3=47'] Exploring Operation: 14*47=658, Resulting Numbers: [658] 658,16 unequal: No Solution Exploring Operation: 14+47=61, Resulting Numbers: [61] 61,16 unequal: No Solution Exploring Operation: 47-14=33, Resulting Numbers: [33] 33,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 16:[50, 17], Operations: ['56-53=3', '14+3=17'] Exploring Operation: 50-17=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 50*17=850, Resulting Numbers: [850] 850,16 unequal: No Solution Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[50, 11], Operations: ['56-53=3', '14-3=11'] Exploring Operation: 50*11=550, Resulting Numbers: [550] 550,16 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,16 unequal: No Solution Exploring Operation: 50+11=61, Resulting Numbers: [61] 61,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 16:[14, 53], Operations: ['56-53=3', '50+3=53'] Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,16 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,16 unequal: No Solution Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,16 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: 16:[53, 14, 6], Operations: ['56-50=6'] Exploring Operation: 14+6=20, Resulting Numbers: [53, 20] Generated Node #0,0,0: 16:[53, 20] Operation: 14+6=20 Exploring Operation: 53-6=47, Resulting Numbers: [14, 47] Generated Node #0,0,1: 16:[14, 47] Operation: 53-6=47 Exploring Operation: 14-6=8, Resulting Numbers: [53, 8] Generated Node #0,0,2: 16:[53, 8] Operation: 14-6=8 Exploring Operation: 53-14=39, Resulting Numbers: [6, 39] Generated Node #0,0,3: 16:[6, 39] Operation: 53-14=39 Exploring Operation: 53+6=59, Resulting Numbers: [14, 59] Generated Node #0,0,4: 16:[14, 59] Operation: 53+6=59 Moving to Node #0,3 Current State: 16:[14, 56, 3], Operations: ['53-50=3'] Exploring Operation: 14-3=11, Resulting Numbers: [56, 11] Generated Node #0,3,0: 16:[56, 11] Operation: 14-3=11 Exploring Operation: 56-3=53, Resulting Numbers: [14, 53] Generated Node #0,3,1: 16:[14, 53] Operation: 56-3=53 Exploring Operation: 56/14=4, Resulting Numbers: [3, 4] Generated Node #0,3,2: 16:[3, 4] Operation: 56/14=4 Exploring Operation: 56-14=42, Resulting Numbers: [3, 42] Generated Node #0,3,3: 16:[3, 42] Operation: 56-14=42 Exploring Operation: 14+3=17, Resulting Numbers: [56, 17] Generated Node #0,3,4: 16:[56, 17] Operation: 14+3=17 Moving to Node #0,1 Current State: 16:[53, 50, 4], Operations: ['56/14=4'] Exploring Operation: 53-50=3, Resulting Numbers: [4, 3] Generated Node #0,1,0: 16:[4, 3] Operation: 53-50=3 Exploring Operation: 50+4=54, Resulting Numbers: [53, 54] Generated Node #0,1,1: 16:[53, 54] Operation: 50+4=54 Exploring Operation: 53+4=57, Resulting Numbers: [50, 57] Generated Node #0,1,2: 16:[50, 57] Operation: 53+4=57 Exploring Operation: 50-4=46, Resulting Numbers: [53, 46] Generated Node #0,1,3: 16:[53, 46] Operation: 50-4=46 Exploring Operation: 53-4=49, Resulting Numbers: [50, 49] Generated Node #0,1,4: 16:[50, 49] Operation: 53-4=49 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[4, 3], Operations: ['56/14=4', '53-50=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 16:[53, 46], Operations: ['56/14=4', '50-4=46'] Exploring Operation: 53-46=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 53*46=2438, Resulting Numbers: [2438] 2438,16 unequal: No Solution Exploring Operation: 53+46=99, Resulting Numbers: [99] 99,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 16:[50, 49], Operations: ['56/14=4', '53-4=49'] Exploring Operation: 50+49=99, Resulting Numbers: [99] 99,16 unequal: No Solution Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 50*49=2450, Resulting Numbers: [2450] 2450,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[53, 54], Operations: ['56/14=4', '50+4=54'] Exploring Operation: 53+54=107, Resulting Numbers: [107] 107,16 unequal: No Solution Exploring Operation: 54-53=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 53*54=2862, Resulting Numbers: [2862] 2862,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[50, 57], Operations: ['56/14=4', '53+4=57'] Exploring Operation: 57-50=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 50+57=107, Resulting Numbers: [107] 107,16 unequal: No Solution Exploring Operation: 50*57=2850, Resulting Numbers: [2850] 2850,16 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: 16:[50, 56, 39], Operations: ['53-14=39'] Exploring Operation: 50+39=89, Resulting Numbers: [56, 89] Generated Node #0,4,0: 16:[56, 89] Operation: 50+39=89 Exploring Operation: 50-39=11, Resulting Numbers: [56, 11] Generated Node #0,4,1: 16:[56, 11] Operation: 50-39=11 Exploring Operation: 56-50=6, Resulting Numbers: [39, 6] Generated Node #0,4,2: 16:[39, 6] Operation: 56-50=6 Exploring Operation: 56-39=17, Resulting Numbers: [50, 17] Generated Node #0,4,3: 16:[50, 17] Operation: 56-39=17 Exploring Operation: 50+56=106, Resulting Numbers: [39, 106] Generated Node #0,4,4: 16:[39, 106] Operation: 50+56=106 Moving to Node #0,3,2 Current State: 16:[3, 4], Operations: ['53-50=3', '56/14=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[6, 39], Operations: ['56-50=6', '53-14=39'] Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 6*39=234, Resulting Numbers: [234] 234,16 unequal: No Solution Exploring Operation: 6+39=45, Resulting Numbers: [45] 45,16 unequal: No Solution Moving to Node #0,4,2 Current State: 16:[39, 6], Operations: ['53-14=39', '56-50=6'] Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 39*6=234, Resulting Numbers: [234] 234,16 unequal: No Solution Exploring Operation: 39+6=45, Resulting Numbers: [45] 45,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[3, 42], Operations: ['53-50=3', '56-14=42'] Exploring Operation: 3*42=126, Resulting Numbers: [126] 126,16 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,16 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[14, 47], Operations: ['56-50=6', '53-6=47'] Exploring Operation: 47-14=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 14*47=658, Resulting Numbers: [658] 658,16 unequal: No Solution Exploring Operation: 14+47=61, Resulting Numbers: [61] 61,16 unequal: No Solution Moving to Node #0,4,3 Current State: 16:[50, 17], Operations: ['53-14=39', '56-39=17'] Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,16 unequal: No Solution Exploring Operation: 50*17=850, Resulting Numbers: [850] 850,16 unequal: No Solution Exploring Operation: 50-17=33, Resulting Numbers: [33] 33,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[53, 8], Operations: ['56-50=6', '14-6=8'] Exploring Operation: 53+8=61, Resulting Numbers: [61] 61,16 unequal: No Solution Exploring Operation: 53*8=424, Resulting Numbers: [424] 424,16 unequal: No Solution Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[14, 53], Operations: ['53-50=3', '56-3=53'] Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,16 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,16 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,16 unequal: No Solution Moving to Node #0,3,4 Current State: 16:[56, 17], Operations: ['53-50=3', '14+3=17'] Exploring Operation: 56-17=39, Resulting Numbers: [39] 39,16 unequal: No Solution Exploring Operation: 56*17=952, Resulting Numbers: [952] 952,16 unequal: No Solution Exploring Operation: 56+17=73, Resulting Numbers: [73] 73,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[53, 20], Operations: ['56-50=6', '14+6=20'] Exploring Operation: 53+20=73, Resulting Numbers: [73] 73,16 unequal: No Solution Exploring Operation: 53-20=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 53*20=1060, Resulting Numbers: [1060] 1060,16 unequal: No Solution Moving to Node #0,3,0 Current State: 16:[56, 11], Operations: ['53-50=3', '14-3=11'] Exploring Operation: 56+11=67, Resulting Numbers: [67] 67,16 unequal: No Solution Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,16 unequal: No Solution Exploring Operation: 56*11=616, Resulting Numbers: [616] 616,16 unequal: No Solution Moving to Node #0,4,1 Current State: 16:[56, 11], Operations: ['53-14=39', '50-39=11'] Exploring Operation: 56*11=616, Resulting Numbers: [616] 616,16 unequal: No Solution Exploring Operation: 56+11=67, Resulting Numbers: [67] 67,16 unequal: No Solution Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,16 unequal: No Solution Moving to Node #0,0,4 Current State: 16:[14, 59], Operations: ['56-50=6', '53+6=59'] Exploring Operation: 14*59=826, Resulting Numbers: [826] 826,16 unequal: No Solution Exploring Operation: 14+59=73, Resulting Numbers: [73] 73,16 unequal: No Solution Exploring Operation: 59-14=45, Resulting Numbers: [45] 45,16 unequal: No Solution Moving to Node #0,4,4 Current State: 16:[39, 106], Operations: ['53-14=39', '50+56=106'] Exploring Operation: 39+106=145, Resulting Numbers: [145] 145,16 unequal: No Solution Exploring Operation: 106-39=67, Resulting Numbers: [67] 67,16 unequal: No Solution Exploring Operation: 39*106=4134, Resulting Numbers: [4134] 4134,16 unequal: No Solution Moving to Node #0,4,0 Current State: 16:[56, 89], Operations: ['53-14=39', '50+39=89'] Exploring Operation: 56*89=4984, Resulting Numbers: [4984] 4984,16 unequal: No Solution Exploring Operation: 89-56=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 56+89=145, Resulting Numbers: [145] 145,16 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 60, 10, 16, 59 ]
25
[ "60-10=50", "16+59=75", "75-50=25" ]
Current State: 25:[60, 10, 16, 59], Operations: [] Exploring Operation: 60-10=50, Resulting Numbers: [16, 59, 50] Generated Node #2: [16, 59, 50] from Operation: 60-10=50 Current State: 25:[16, 59, 50], Operations: ['60-10=50'] Exploring Operation: 16+59=75, Resulting Numbers: [50, 75] Generated Node #3: [50, 75] from Operation: 16+59=75 Current State: 25:[50, 75], Operations: ['60-10=50', '16+59=75'] Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[60, 10, 16, 59], Operations: [] Exploring Operation: 60/10=6, Resulting Numbers: [16, 59, 6] Generated Node #0,0: 25:[16, 59, 6] Operation: 60/10=6 Exploring Operation: 60-59=1, Resulting Numbers: [10, 16, 1] Generated Node #0,1: 25:[10, 16, 1] Operation: 60-59=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[10, 16, 1], Operations: ['60-59=1'] Exploring Operation: 16-10=6, Resulting Numbers: [1, 6] Generated Node #0,1,0: 25:[1, 6] Operation: 16-10=6 Exploring Operation: 10+16=26, Resulting Numbers: [1, 26] Generated Node #0,1,1: 25:[1, 26] Operation: 10+16=26 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[1, 6], Operations: ['60-59=1', '16-10=6'] Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[1, 26], Operations: ['60-59=1', '10+16=26'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[60, 10, 16, 59], Operations: [] Exploring Operation: 60-59=1, Resulting Numbers: [10, 16, 1] Generated Node #0,1: 25:[10, 16, 1] Operation: 60-59=1 Moving to Node #0,1 Current State: 25:[10, 16, 1], Operations: ['60-59=1'] Exploring Operation: 10+16=26, Resulting Numbers: [1, 26] Generated Node #0,1,1: 25:[1, 26] Operation: 10+16=26 Moving to Node #0,1,1 Current State: 25:[1, 26], Operations: ['60-59=1', '10+16=26'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 38, 20, 3, 32 ]
56
[ "38-3=35", "32*35=1120", "1120/20=56" ]
Current State: 56:[38, 20, 3, 32], Operations: [] Exploring Operation: 38-3=35, Resulting Numbers: [20, 32, 35] Generated Node #2: [20, 32, 35] from Operation: 38-3=35 Current State: 56:[20, 32, 35], Operations: ['38-3=35'] Exploring Operation: 32*35=1120, Resulting Numbers: [20, 1120] Generated Node #3: [20, 1120] from Operation: 32*35=1120 Current State: 56:[20, 1120], Operations: ['38-3=35', '32*35=1120'] Exploring Operation: 1120/20=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[38, 20, 3, 32], Operations: [] Exploring Operation: 38+20=58, Resulting Numbers: [3, 32, 58] Generated Node #0,0: 56:[3, 32, 58] Operation: 38+20=58 Exploring Operation: 38-32=6, Resulting Numbers: [20, 3, 6] Generated Node #0,1: 56:[20, 3, 6] Operation: 38-32=6 Exploring Operation: 38-20=18, Resulting Numbers: [3, 32, 18] Generated Node #0,2: 56:[3, 32, 18] Operation: 38-20=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[3, 32, 58], Operations: ['38+20=58'] Exploring Operation: 32-3=29, Resulting Numbers: [58, 29] Generated Node #0,0,0: 56:[58, 29] Operation: 32-3=29 Exploring Operation: 58-3=55, Resulting Numbers: [32, 55] Generated Node #0,0,1: 56:[32, 55] Operation: 58-3=55 Exploring Operation: 58-32=26, Resulting Numbers: [3, 26] Generated Node #0,0,2: 56:[3, 26] Operation: 58-32=26 Moving to Node #0,0,0 Current State: 56:[58, 29], Operations: ['38+20=58', '32-3=29'] Exploring Operation: 58-29=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 58/29=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 58+29=87, Resulting Numbers: [87] 87,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[3, 26], Operations: ['38+20=58', '58-32=26'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,56 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,56 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[32, 55], Operations: ['38+20=58', '58-3=55'] Exploring Operation: 32*55=1760, Resulting Numbers: [1760] 1760,56 unequal: No Solution Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,56 unequal: No Solution Exploring Operation: 32+55=87, Resulting Numbers: [87] 87,56 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 Current State: 56:[20, 3, 6], Operations: ['38-32=6'] Exploring Operation: 20+6=26, Resulting Numbers: [3, 26] Generated Node #0,1,0: 56:[3, 26] Operation: 20+6=26 Exploring Operation: 20-3=17, Resulting Numbers: [6, 17] Generated Node #0,1,1: 56:[6, 17] Operation: 20-3=17 Exploring Operation: 20-6=14, Resulting Numbers: [3, 14] Generated Node #0,1,2: 56:[3, 14] Operation: 20-6=14 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 56:[3, 14], Operations: ['38-32=6', '20-6=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,56 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,56 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,56 unequal: No Solution No 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: 56:[3, 26], Operations: ['38-32=6', '20+6=26'] Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,56 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,56 unequal: No Solution No 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: 56:[6, 17], Operations: ['38-32=6', '20-3=17'] Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,56 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,56 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,56 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: 56:[3, 32, 18], Operations: ['38-20=18'] Exploring Operation: 18-3=15, Resulting Numbers: [32, 15] Generated Node #0,2,0: 56:[32, 15] Operation: 18-3=15 Exploring Operation: 32-3=29, Resulting Numbers: [18, 29] Generated Node #0,2,1: 56:[18, 29] Operation: 32-3=29 Exploring Operation: 32-18=14, Resulting Numbers: [3, 14] Generated Node #0,2,2: 56:[3, 14] Operation: 32-18=14 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 56:[3, 14], Operations: ['38-20=18', '32-18=14'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,56 unequal: No Solution Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,56 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,56 unequal: No Solution No 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: 56:[32, 15], Operations: ['38-20=18', '18-3=15'] Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,56 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,56 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,56 unequal: No Solution No 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: 56:[18, 29], Operations: ['38-20=18', '32-3=29'] Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,56 unequal: No Solution Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,56 unequal: No Solution Exploring Operation: 18*29=522, Resulting Numbers: [522] 522,56 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
[ 60, 3, 66, 6 ]
82
[ "6-3=3", "66/3=22", "60+22=82" ]
Current State: 82:[60, 3, 66, 6], Operations: [] Exploring Operation: 6-3=3, Resulting Numbers: [60, 66, 3] Generated Node #2: [60, 66, 3] from Operation: 6-3=3 Current State: 82:[60, 66, 3], Operations: ['6-3=3'] Exploring Operation: 66/3=22, Resulting Numbers: [60, 22] Generated Node #3: [60, 22] from Operation: 66/3=22 Current State: 82:[60, 22], Operations: ['6-3=3', '66/3=22'] Exploring Operation: 60+22=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[60, 3, 66, 6], Operations: [] Exploring Operation: 66-60=6, Resulting Numbers: [3, 6, 6] Generated Node #0,0: 82:[3, 6, 6] Operation: 66-60=6 Exploring Operation: 60-6=54, Resulting Numbers: [3, 66, 54] Generated Node #0,1: 82:[3, 66, 54] Operation: 60-6=54 Exploring Operation: 66/6=11, Resulting Numbers: [60, 3, 11] Generated Node #0,2: 82:[60, 3, 11] Operation: 66/6=11 Exploring Operation: 60/6=10, Resulting Numbers: [3, 66, 10] Generated Node #0,3: 82:[3, 66, 10] Operation: 60/6=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[3, 6, 6], Operations: ['66-60=6'] Exploring Operation: 6/6=1, Resulting Numbers: [3, 1] Generated Node #0,0,0: 82:[3, 1] Operation: 6/6=1 Exploring Operation: 6/3=2, Resulting Numbers: [6, 2] Generated Node #0,0,1: 82:[6, 2] Operation: 6/3=2 Exploring Operation: 6/3=2, Resulting Numbers: [6, 2] Generated Node #0,0,2: 82:[6, 2] Operation: 6/3=2 Exploring Operation: 6-6=0, Resulting Numbers: [3, 0] Generated Node #0,0,3: 82:[3, 0] Operation: 6-6=0 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[3, 1], Operations: ['66-60=6', '6/6=1'] Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,82 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,82 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 82:[3, 0], Operations: ['66-60=6', '6-6=0'] Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 3*0=0, Resulting Numbers: [0] 0,82 unequal: No Solution Exploring Operation: 3+0=3, Resulting Numbers: [3] 3,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[6, 2], Operations: ['66-60=6', '6/3=2'] Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,82 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 82:[6, 2], Operations: ['66-60=6', '6/3=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,82 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 82:[3, 66, 10], Operations: ['60/6=10'] Exploring Operation: 3+66=69, Resulting Numbers: [10, 69] Generated Node #0,3,0: 82:[10, 69] Operation: 3+66=69 Exploring Operation: 10-3=7, Resulting Numbers: [66, 7] Generated Node #0,3,1: 82:[66, 7] Operation: 10-3=7 Exploring Operation: 66-10=56, Resulting Numbers: [3, 56] Generated Node #0,3,2: 82:[3, 56] Operation: 66-10=56 Exploring Operation: 66+10=76, Resulting Numbers: [3, 76] Generated Node #0,3,3: 82:[3, 76] Operation: 66+10=76 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 82:[3, 76], Operations: ['60/6=10', '66+10=76'] Exploring Operation: 76-3=73, Resulting Numbers: [73] 73,82 unequal: No Solution Exploring Operation: 3+76=79, Resulting Numbers: [79] 79,82 unequal: No Solution Exploring Operation: 3*76=228, Resulting Numbers: [228] 228,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 82:[3, 56], Operations: ['60/6=10', '66-10=56'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,82 unequal: No Solution Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,82 unequal: No Solution Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 82:[10, 69], Operations: ['60/6=10', '3+66=69'] Exploring Operation: 10*69=690, Resulting Numbers: [690] 690,82 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,82 unequal: No Solution Exploring Operation: 10+69=79, Resulting Numbers: [79] 79,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 82:[66, 7], Operations: ['60/6=10', '10-3=7'] Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,82 unequal: No Solution Exploring Operation: 66*7=462, Resulting Numbers: [462] 462,82 unequal: No Solution Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[60, 3, 11], Operations: ['66/6=11'] Exploring Operation: 11-3=8, Resulting Numbers: [60, 8] Generated Node #0,2,0: 82:[60, 8] Operation: 11-3=8 Exploring Operation: 60-11=49, Resulting Numbers: [3, 49] Generated Node #0,2,1: 82:[3, 49] Operation: 60-11=49 Exploring Operation: 60-3=57, Resulting Numbers: [11, 57] Generated Node #0,2,2: 82:[11, 57] Operation: 60-3=57 Exploring Operation: 60+11=71, Resulting Numbers: [3, 71] Generated Node #0,2,3: 82:[3, 71] Operation: 60+11=71 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 82:[3, 49], Operations: ['66/6=11', '60-11=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,82 unequal: No Solution Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,82 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 82:[3, 71], Operations: ['66/6=11', '60+11=71'] Exploring Operation: 3+71=74, Resulting Numbers: [74] 74,82 unequal: No Solution Exploring Operation: 3*71=213, Resulting Numbers: [213] 213,82 unequal: No Solution Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 82:[60, 8], Operations: ['66/6=11', '11-3=8'] Exploring Operation: 60*8=480, Resulting Numbers: [480] 480,82 unequal: No Solution Exploring Operation: 60+8=68, Resulting Numbers: [68] 68,82 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 82:[11, 57], Operations: ['66/6=11', '60-3=57'] Exploring Operation: 11*57=627, Resulting Numbers: [627] 627,82 unequal: No Solution Exploring Operation: 57-11=46, Resulting Numbers: [46] 46,82 unequal: No Solution Exploring Operation: 11+57=68, Resulting Numbers: [68] 68,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[3, 66, 54], Operations: ['60-6=54'] Exploring Operation: 66-3=63, Resulting Numbers: [54, 63] Generated Node #0,1,0: 82:[54, 63] Operation: 66-3=63 Exploring Operation: 3+66=69, Resulting Numbers: [54, 69] Generated Node #0,1,1: 82:[54, 69] Operation: 3+66=69 Exploring Operation: 66-54=12, Resulting Numbers: [3, 12] Generated Node #0,1,2: 82:[3, 12] Operation: 66-54=12 Exploring Operation: 54-3=51, Resulting Numbers: [66, 51] Generated Node #0,1,3: 82:[66, 51] Operation: 54-3=51 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 82:[3, 12], Operations: ['60-6=54', '66-54=12'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,82 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,82 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,82 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[54, 69], Operations: ['60-6=54', '3+66=69'] Exploring Operation: 54+69=123, Resulting Numbers: [123] 123,82 unequal: No Solution Exploring Operation: 54*69=3726, Resulting Numbers: [3726] 3726,82 unequal: No Solution Exploring Operation: 69-54=15, Resulting Numbers: [15] 15,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 82:[66, 51], Operations: ['60-6=54', '54-3=51'] Exploring Operation: 66*51=3366, Resulting Numbers: [3366] 3366,82 unequal: No Solution Exploring Operation: 66-51=15, Resulting Numbers: [15] 15,82 unequal: No Solution Exploring Operation: 66+51=117, Resulting Numbers: [117] 117,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 82:[54, 63], Operations: ['60-6=54', '66-3=63'] Exploring Operation: 54*63=3402, Resulting Numbers: [3402] 3402,82 unequal: No Solution Exploring Operation: 63-54=9, Resulting Numbers: [9] 9,82 unequal: No Solution Exploring Operation: 54+63=117, Resulting Numbers: [117] 117,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 75, 71, 55, 6 ]
97
[ "75+71=146", "55-6=49", "146-49=97" ]
Current State: 97:[75, 71, 55, 6], Operations: [] Exploring Operation: 75+71=146, Resulting Numbers: [55, 6, 146] Generated Node #2: [55, 6, 146] from Operation: 75+71=146 Current State: 97:[55, 6, 146], Operations: ['75+71=146'] Exploring Operation: 55-6=49, Resulting Numbers: [146, 49] Generated Node #3: [146, 49] from Operation: 55-6=49 Current State: 97:[146, 49], Operations: ['75+71=146', '55-6=49'] Exploring Operation: 146-49=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[75, 71, 55, 6], Operations: [] Exploring Operation: 55+6=61, Resulting Numbers: [75, 71, 61] Generated Node #0,0: 97:[75, 71, 61] Operation: 55+6=61 Exploring Operation: 75+6=81, Resulting Numbers: [71, 55, 81] Generated Node #0,1: 97:[71, 55, 81] Operation: 75+6=81 Exploring Operation: 71+6=77, Resulting Numbers: [75, 55, 77] Generated Node #0,2: 97:[75, 55, 77] Operation: 71+6=77 Exploring Operation: 75-6=69, Resulting Numbers: [71, 55, 69] Generated Node #0,3: 97:[71, 55, 69] Operation: 75-6=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[75, 71, 61], Operations: ['55+6=61'] Exploring Operation: 71+61=132, Resulting Numbers: [75, 132] Generated Node #0,0,0: 97:[75, 132] Operation: 71+61=132 Exploring Operation: 75+71=146, Resulting Numbers: [61, 146] Generated Node #0,0,1: 97:[61, 146] Operation: 75+71=146 Exploring Operation: 75+61=136, Resulting Numbers: [71, 136] Generated Node #0,0,2: 97:[71, 136] Operation: 75+61=136 Exploring Operation: 75-61=14, Resulting Numbers: [71, 14] Generated Node #0,0,3: 97:[71, 14] Operation: 75-61=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[75, 132], Operations: ['55+6=61', '71+61=132'] Exploring Operation: 132-75=57, Resulting Numbers: [57] 57,97 unequal: No Solution Exploring Operation: 75*132=9900, Resulting Numbers: [9900] 9900,97 unequal: No Solution Exploring Operation: 75+132=207, Resulting Numbers: [207] 207,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[71, 136], Operations: ['55+6=61', '75+61=136'] Exploring Operation: 71+136=207, Resulting Numbers: [207] 207,97 unequal: No Solution Exploring Operation: 71*136=9656, Resulting Numbers: [9656] 9656,97 unequal: No Solution Exploring Operation: 136-71=65, Resulting Numbers: [65] 65,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[61, 146], Operations: ['55+6=61', '75+71=146'] Exploring Operation: 61+146=207, Resulting Numbers: [207] 207,97 unequal: No Solution Exploring Operation: 61*146=8906, Resulting Numbers: [8906] 8906,97 unequal: No Solution Exploring Operation: 146-61=85, Resulting Numbers: [85] 85,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 97:[71, 14], Operations: ['55+6=61', '75-61=14'] Exploring Operation: 71+14=85, Resulting Numbers: [85] 85,97 unequal: No Solution Exploring Operation: 71*14=994, Resulting Numbers: [994] 994,97 unequal: No Solution Exploring Operation: 71-14=57, Resulting Numbers: [57] 57,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[71, 55, 81], Operations: ['75+6=81'] Exploring Operation: 71+81=152, Resulting Numbers: [55, 152] Generated Node #0,1,0: 97:[55, 152] Operation: 71+81=152 Exploring Operation: 71-55=16, Resulting Numbers: [81, 16] Generated Node #0,1,1: 97:[81, 16] Operation: 71-55=16 Exploring Operation: 71+55=126, Resulting Numbers: [81, 126] Generated Node #0,1,2: 97:[81, 126] Operation: 71+55=126 Exploring Operation: 55+81=136, Resulting Numbers: [71, 136] Generated Node #0,1,3: 97:[71, 136] Operation: 55+81=136 Moving to Node #0,1,2 Current State: 97:[81, 126], Operations: ['75+6=81', '71+55=126'] Exploring Operation: 81*126=10206, Resulting Numbers: [10206] 10206,97 unequal: No Solution Exploring Operation: 126-81=45, Resulting Numbers: [45] 45,97 unequal: No Solution Exploring Operation: 81+126=207, Resulting Numbers: [207] 207,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[71, 136], Operations: ['75+6=81', '55+81=136'] Exploring Operation: 71+136=207, Resulting Numbers: [207] 207,97 unequal: No Solution Exploring Operation: 136-71=65, Resulting Numbers: [65] 65,97 unequal: No Solution Exploring Operation: 71*136=9656, Resulting Numbers: [9656] 9656,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[81, 16], Operations: ['75+6=81', '71-55=16'] Exploring Operation: 81*16=1296, Resulting Numbers: [1296] 1296,97 unequal: No Solution Exploring Operation: 81-16=65, Resulting Numbers: [65] 65,97 unequal: No Solution Exploring Operation: 81+16=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[75, 71, 55, 6], Operations: [] Exploring Operation: 75+6=81, Resulting Numbers: [71, 55, 81] Generated Node #0,1: 97:[71, 55, 81] Operation: 75+6=81 Moving to Node #0,1 Current State: 97:[71, 55, 81], Operations: ['75+6=81'] Exploring Operation: 71-55=16, Resulting Numbers: [81, 16] Generated Node #0,1,1: 97:[81, 16] Operation: 71-55=16 Moving to Node #0,1,1 Current State: 97:[81, 16], Operations: ['75+6=81', '71-55=16'] Exploring Operation: 81+16=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
sum_heuristic
[ 70, 51, 39, 77 ]
57
[ "70-51=19", "77-39=38", "19+38=57" ]
Current State: 57:[70, 51, 39, 77], Operations: [] Exploring Operation: 70-51=19, Resulting Numbers: [39, 77, 19] Generated Node #2: [39, 77, 19] from Operation: 70-51=19 Current State: 57:[39, 77, 19], Operations: ['70-51=19'] Exploring Operation: 77-39=38, Resulting Numbers: [19, 38] Generated Node #3: [19, 38] from Operation: 77-39=38 Current State: 57:[19, 38], Operations: ['70-51=19', '77-39=38'] Exploring Operation: 19+38=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[70, 51, 39, 77], Operations: [] Exploring Operation: 77-39=38, Resulting Numbers: [70, 51, 38] Generated Node #0,0: 57:[70, 51, 38] Operation: 77-39=38 Exploring Operation: 70-39=31, Resulting Numbers: [51, 77, 31] Generated Node #0,1: 57:[51, 77, 31] Operation: 70-39=31 Exploring Operation: 70-51=19, Resulting Numbers: [39, 77, 19] Generated Node #0,2: 57:[39, 77, 19] Operation: 70-51=19 Exploring Operation: 77-51=26, Resulting Numbers: [70, 39, 26] Generated Node #0,3: 57:[70, 39, 26] Operation: 77-51=26 Exploring Operation: 77-70=7, Resulting Numbers: [51, 39, 7] Generated Node #0,4: 57:[51, 39, 7] Operation: 77-70=7 Start Sub Search at level 1: Moving to Node #0,4 Current State: 57:[51, 39, 7], Operations: ['77-70=7'] Exploring Operation: 39+7=46, Resulting Numbers: [51, 46] Generated Node #0,4,0: 57:[51, 46] Operation: 39+7=46 Exploring Operation: 51-39=12, Resulting Numbers: [7, 12] Generated Node #0,4,1: 57:[7, 12] Operation: 51-39=12 Exploring Operation: 51-7=44, Resulting Numbers: [39, 44] Generated Node #0,4,2: 57:[39, 44] Operation: 51-7=44 Exploring Operation: 51+7=58, Resulting Numbers: [39, 58] Generated Node #0,4,3: 57:[39, 58] Operation: 51+7=58 Exploring Operation: 39-7=32, Resulting Numbers: [51, 32] Generated Node #0,4,4: 57:[51, 32] Operation: 39-7=32 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 57:[7, 12], Operations: ['77-70=7', '51-39=12'] Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,57 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 57:[51, 46], Operations: ['77-70=7', '39+7=46'] Exploring Operation: 51+46=97, Resulting Numbers: [97] 97,57 unequal: No Solution Exploring Operation: 51-46=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 51*46=2346, Resulting Numbers: [2346] 2346,57 unequal: No Solution No 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: 57:[39, 58], Operations: ['77-70=7', '51+7=58'] Exploring Operation: 39*58=2262, Resulting Numbers: [2262] 2262,57 unequal: No Solution Exploring Operation: 39+58=97, Resulting Numbers: [97] 97,57 unequal: No Solution Exploring Operation: 58-39=19, Resulting Numbers: [19] 19,57 unequal: No Solution No 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: 57:[51, 32], Operations: ['77-70=7', '39-7=32'] Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,57 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,57 unequal: No Solution No 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: 57:[39, 44], Operations: ['77-70=7', '51-7=44'] Exploring Operation: 39*44=1716, Resulting Numbers: [1716] 1716,57 unequal: No Solution Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 39+44=83, Resulting Numbers: [83] 83,57 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: 57:[70, 51, 38], Operations: ['77-39=38'] Exploring Operation: 70+38=108, Resulting Numbers: [51, 108] Generated Node #0,0,0: 57:[51, 108] Operation: 70+38=108 Exploring Operation: 70-51=19, Resulting Numbers: [38, 19] Generated Node #0,0,1: 57:[38, 19] Operation: 70-51=19 Exploring Operation: 51-38=13, Resulting Numbers: [70, 13] Generated Node #0,0,2: 57:[70, 13] Operation: 51-38=13 Exploring Operation: 51+38=89, Resulting Numbers: [70, 89] Generated Node #0,0,3: 57:[70, 89] Operation: 51+38=89 Exploring Operation: 70-38=32, Resulting Numbers: [51, 32] Generated Node #0,0,4: 57:[51, 32] Operation: 70-38=32 Moving to Node #0,0,1 Current State: 57:[38, 19], Operations: ['77-39=38', '70-51=19'] Exploring Operation: 38+19=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[70, 51, 39, 77], Operations: [] Exploring Operation: 77-39=38, Resulting Numbers: [70, 51, 38] Generated Node #0,0: 57:[70, 51, 38] Operation: 77-39=38 Moving to Node #0,0 Current State: 57:[70, 51, 38], Operations: ['77-39=38'] Exploring Operation: 70-51=19, Resulting Numbers: [38, 19] Generated Node #0,0,1: 57:[38, 19] Operation: 70-51=19 Moving to Node #0,0,1 Current State: 57:[38, 19], Operations: ['77-39=38', '70-51=19'] Exploring Operation: 38+19=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_5
sum_heuristic
[ 95, 18, 18, 37 ]
96
[ "95-18=77", "37-18=19", "77+19=96" ]
Current State: 96:[95, 18, 18, 37], Operations: [] Exploring Operation: 95-18=77, Resulting Numbers: [37, 77] Generated Node #2: [37, 77] from Operation: 95-18=77 Current State: 96:[37, 77], Operations: ['95-18=77'] Exploring Operation: 37-18=19, Resulting Numbers: [77, 19] Generated Node #3: [77, 19] from Operation: 37-18=19 Current State: 96:[77, 19], Operations: ['95-18=77', '37-18=19'] Exploring Operation: 77+19=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[95, 18, 18, 37], Operations: [] Exploring Operation: 18/18=1, Resulting Numbers: [95, 37, 1] Generated Node #0,0: 96:[95, 37, 1] Operation: 18/18=1 Exploring Operation: 37-18=19, Resulting Numbers: [95, 18, 19] Generated Node #0,1: 96:[95, 18, 19] Operation: 37-18=19 Exploring Operation: 37-18=19, Resulting Numbers: [95, 18, 19] Generated Node #0,2: 96:[95, 18, 19] Operation: 37-18=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[95, 18, 19], Operations: ['37-18=19'] Exploring Operation: 18+19=37, Resulting Numbers: [95, 37] Generated Node #0,1,0: 96:[95, 37] Operation: 18+19=37 Exploring Operation: 95/19=5, Resulting Numbers: [18, 5] Generated Node #0,1,1: 96:[18, 5] Operation: 95/19=5 Exploring Operation: 19-18=1, Resulting Numbers: [95, 1] Generated Node #0,1,2: 96:[95, 1] Operation: 19-18=1 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 96:[95, 1], Operations: ['37-18=19', '19-18=1'] Exploring Operation: 95/1=95, Resulting Numbers: [95] 95,96 unequal: No Solution Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[95, 18, 18, 37], Operations: [] Exploring Operation: 37-18=19, Resulting Numbers: [95, 18, 19] Generated Node #0,1: 96:[95, 18, 19] Operation: 37-18=19 Moving to Node #0,1 Current State: 96:[95, 18, 19], Operations: ['37-18=19'] Exploring Operation: 19-18=1, Resulting Numbers: [95, 1] Generated Node #0,1,2: 96:[95, 1] Operation: 19-18=1 Moving to Node #0,1,2 Current State: 96:[95, 1], Operations: ['37-18=19', '19-18=1'] Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 74, 73, 17, 2 ]
93
[ "74/2=37", "73-17=56", "37+56=93" ]
Current State: 93:[74, 73, 17, 2], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [73, 17, 37] Generated Node #2: [73, 17, 37] from Operation: 74/2=37 Current State: 93:[73, 17, 37], Operations: ['74/2=37'] Exploring Operation: 73-17=56, Resulting Numbers: [37, 56] Generated Node #3: [37, 56] from Operation: 73-17=56 Current State: 93:[37, 56], Operations: ['74/2=37', '73-17=56'] Exploring Operation: 37+56=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[74, 73, 17, 2], Operations: [] Exploring Operation: 74+17=91, Resulting Numbers: [73, 2, 91] Generated Node #0,0: 93:[73, 2, 91] Operation: 74+17=91 Exploring Operation: 74-73=1, Resulting Numbers: [17, 2, 1] Generated Node #0,1: 93:[17, 2, 1] Operation: 74-73=1 Exploring Operation: 73+17=90, Resulting Numbers: [74, 2, 90] Generated Node #0,2: 93:[74, 2, 90] Operation: 73+17=90 Exploring Operation: 74/2=37, Resulting Numbers: [73, 17, 37] Generated Node #0,3: 93:[73, 17, 37] Operation: 74/2=37 Moving to Node #0,1 Current State: 93:[17, 2, 1], Operations: ['74-73=1'] Exploring Operation: 17+1=18, Resulting Numbers: [2, 18] Generated Node #0,1,0: 93:[2, 18] Operation: 17+1=18 Exploring Operation: 17-2=15, Resulting Numbers: [1, 15] Generated Node #0,1,1: 93:[1, 15] Operation: 17-2=15 Exploring Operation: 17*2=34, Resulting Numbers: [1, 34] Generated Node #0,1,2: 93:[1, 34] Operation: 17*2=34 Exploring Operation: 17+2=19, Resulting Numbers: [1, 19] Generated Node #0,1,3: 93:[1, 19] Operation: 17+2=19 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[1, 34], Operations: ['74-73=1', '17*2=34'] Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,93 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,93 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,93 unequal: No Solution Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[2, 18], Operations: ['74-73=1', '17+1=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,93 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[1, 15], Operations: ['74-73=1', '17-2=15'] Exploring Operation: 1+15=16, Resulting Numbers: [16] 16,93 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,93 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,93 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 #0,1,3 Current State: 93:[1, 19], Operations: ['74-73=1', '17+2=19'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,93 unequal: No Solution Exploring Operation: 1*19=19, Resulting Numbers: [19] 19,93 unequal: No Solution Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,93 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 93:[74, 2, 90], Operations: ['73+17=90'] Exploring Operation: 2+90=92, Resulting Numbers: [74, 92] Generated Node #0,2,0: 93:[74, 92] Operation: 2+90=92 Exploring Operation: 74/2=37, Resulting Numbers: [90, 37] Generated Node #0,2,1: 93:[90, 37] Operation: 74/2=37 Exploring Operation: 90-74=16, Resulting Numbers: [2, 16] Generated Node #0,2,2: 93:[2, 16] Operation: 90-74=16 Exploring Operation: 74+2=76, Resulting Numbers: [90, 76] Generated Node #0,2,3: 93:[90, 76] Operation: 74+2=76 Moving to Node #0,0 Current State: 93:[73, 2, 91], Operations: ['74+17=91'] Exploring Operation: 73-2=71, Resulting Numbers: [91, 71] Generated Node #0,0,0: 93:[91, 71] Operation: 73-2=71 Exploring Operation: 73+2=75, Resulting Numbers: [91, 75] Generated Node #0,0,1: 93:[91, 75] Operation: 73+2=75 Exploring Operation: 2+91=93, Resulting Numbers: [73, 93] Generated Node #0,0,2: 93:[73, 93] Operation: 2+91=93 Exploring Operation: 91-73=18, Resulting Numbers: [2, 18] Generated Node #0,0,3: 93:[2, 18] Operation: 91-73=18 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 93:[2, 18], Operations: ['74+17=91', '91-73=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,93 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,93 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 #0,0,1 Current State: 93:[91, 75], Operations: ['74+17=91', '73+2=75'] Exploring Operation: 91-75=16, Resulting Numbers: [16] 16,93 unequal: No Solution Exploring Operation: 91*75=6825, Resulting Numbers: [6825] 6825,93 unequal: No Solution Exploring Operation: 91+75=166, Resulting Numbers: [166] 166,93 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 #0,0,2 Current State: 93:[73, 93], Operations: ['74+17=91', '2+91=93'] Exploring Operation: 73*93=6789, Resulting Numbers: [6789] 6789,93 unequal: No Solution Exploring Operation: 73+93=166, Resulting Numbers: [166] 166,93 unequal: No Solution Exploring Operation: 93-73=20, Resulting Numbers: [20] 20,93 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 #0,0,0 Current State: 93:[91, 71], Operations: ['74+17=91', '73-2=71'] Exploring Operation: 91*71=6461, Resulting Numbers: [6461] 6461,93 unequal: No Solution Exploring Operation: 91+71=162, Resulting Numbers: [162] 162,93 unequal: No Solution Exploring Operation: 91-71=20, Resulting Numbers: [20] 20,93 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: 93:[73, 17, 37], Operations: ['74/2=37'] Exploring Operation: 73+37=110, Resulting Numbers: [17, 110] Generated Node #0,3,0: 93:[17, 110] Operation: 73+37=110 Exploring Operation: 73-37=36, Resulting Numbers: [17, 36] Generated Node #0,3,1: 93:[17, 36] Operation: 73-37=36 Exploring Operation: 73+17=90, Resulting Numbers: [37, 90] Generated Node #0,3,2: 93:[37, 90] Operation: 73+17=90 Exploring Operation: 73-17=56, Resulting Numbers: [37, 56] Generated Node #0,3,3: 93:[37, 56] Operation: 73-17=56 Moving to Node #0,2,1 Current State: 93:[90, 37], Operations: ['73+17=90', '74/2=37'] Exploring Operation: 90+37=127, Resulting Numbers: [127] 127,93 unequal: No Solution Exploring Operation: 90*37=3330, Resulting Numbers: [3330] 3330,93 unequal: No Solution Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,93 unequal: No Solution Moving to Node #0,3,2 Current State: 93:[37, 90], Operations: ['74/2=37', '73+17=90'] Exploring Operation: 37*90=3330, Resulting Numbers: [3330] 3330,93 unequal: No Solution Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,93 unequal: No Solution Exploring Operation: 37+90=127, Resulting Numbers: [127] 127,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[2, 16], Operations: ['73+17=90', '90-74=16'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,93 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,93 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,93 unequal: No Solution Moving to Node #0,3,1 Current State: 93:[17, 36], Operations: ['74/2=37', '73-37=36'] Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,93 unequal: No Solution Exploring Operation: 17*36=612, Resulting Numbers: [612] 612,93 unequal: No Solution Exploring Operation: 17+36=53, Resulting Numbers: [53] 53,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[74, 92], Operations: ['73+17=90', '2+90=92'] Exploring Operation: 92-74=18, Resulting Numbers: [18] 18,93 unequal: No Solution Exploring Operation: 74+92=166, Resulting Numbers: [166] 166,93 unequal: No Solution Exploring Operation: 74*92=6808, Resulting Numbers: [6808] 6808,93 unequal: No Solution Moving to Node #0,2,3 Current State: 93:[90, 76], Operations: ['73+17=90', '74+2=76'] Exploring Operation: 90*76=6840, Resulting Numbers: [6840] 6840,93 unequal: No Solution Exploring Operation: 90-76=14, Resulting Numbers: [14] 14,93 unequal: No Solution Exploring Operation: 90+76=166, Resulting Numbers: [166] 166,93 unequal: No Solution Moving to Node #0,3,0 Current State: 93:[17, 110], Operations: ['74/2=37', '73+37=110'] Exploring Operation: 110-17=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[74, 73, 17, 2], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [73, 17, 37] Generated Node #0,3: 93:[73, 17, 37] Operation: 74/2=37 Moving to Node #0,3 Current State: 93:[73, 17, 37], Operations: ['74/2=37'] Exploring Operation: 73+37=110, Resulting Numbers: [17, 110] Generated Node #0,3,0: 93:[17, 110] Operation: 73+37=110 Moving to Node #0,3,0 Current State: 93:[17, 110], Operations: ['74/2=37', '73+37=110'] Exploring Operation: 110-17=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.936632
hs_4
sum_heuristic
[ 75, 24, 46, 90 ]
55
[ "75+24=99", "90-46=44", "99-44=55" ]
Current State: 55:[75, 24, 46, 90], Operations: [] Exploring Operation: 75+24=99, Resulting Numbers: [46, 90, 99] Generated Node #2: [46, 90, 99] from Operation: 75+24=99 Current State: 55:[46, 90, 99], Operations: ['75+24=99'] Exploring Operation: 90-46=44, Resulting Numbers: [99, 44] Generated Node #3: [99, 44] from Operation: 90-46=44 Current State: 55:[99, 44], Operations: ['75+24=99', '90-46=44'] Exploring Operation: 99-44=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[75, 24, 46, 90], Operations: [] Exploring Operation: 90-24=66, Resulting Numbers: [75, 46, 66] Generated Node #0,0: 55:[75, 46, 66] Operation: 90-24=66 Exploring Operation: 90-75=15, Resulting Numbers: [24, 46, 15] Generated Node #0,1: 55:[24, 46, 15] Operation: 90-75=15 Moving to Node #0,1 Current State: 55:[24, 46, 15], Operations: ['90-75=15'] Exploring Operation: 24-15=9, Resulting Numbers: [46, 9] Generated Node #0,1,0: 55:[46, 9] Operation: 24-15=9 Exploring Operation: 46-24=22, Resulting Numbers: [15, 22] Generated Node #0,1,1: 55:[15, 22] Operation: 46-24=22 Moving to Node #0,0 Current State: 55:[75, 46, 66], Operations: ['90-24=66'] Exploring Operation: 75-66=9, Resulting Numbers: [46, 9] Generated Node #0,0,0: 55:[46, 9] Operation: 75-66=9 Exploring Operation: 75-46=29, Resulting Numbers: [66, 29] Generated Node #0,0,1: 55:[66, 29] Operation: 75-46=29 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[46, 9], Operations: ['90-24=66', '75-66=9'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,55 unequal: No Solution Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[75, 24, 46, 90], Operations: [] Exploring Operation: 90-24=66, Resulting Numbers: [75, 46, 66] Generated Node #0,0: 55:[75, 46, 66] Operation: 90-24=66 Moving to Node #0,0 Current State: 55:[75, 46, 66], Operations: ['90-24=66'] Exploring Operation: 75-66=9, Resulting Numbers: [46, 9] Generated Node #0,0,0: 55:[46, 9] Operation: 75-66=9 Moving to Node #0,0,0 Current State: 55:[46, 9], Operations: ['90-24=66', '75-66=9'] Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 72, 10, 74, 28 ]
33
[ "74-72=2", "10/2=5", "28+5=33" ]
Current State: 33:[72, 10, 74, 28], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [10, 28, 2] Generated Node #2: [10, 28, 2] from Operation: 74-72=2 Current State: 33:[10, 28, 2], Operations: ['74-72=2'] Exploring Operation: 10/2=5, Resulting Numbers: [28, 5] Generated Node #3: [28, 5] from Operation: 10/2=5 Current State: 33:[28, 5], Operations: ['74-72=2', '10/2=5'] Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[72, 10, 74, 28], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [10, 28, 2] Generated Node #0,0: 33:[10, 28, 2] Operation: 74-72=2 Exploring Operation: 74-28=46, Resulting Numbers: [72, 10, 46] Generated Node #0,1: 33:[72, 10, 46] Operation: 74-28=46 Exploring Operation: 72-28=44, Resulting Numbers: [10, 74, 44] Generated Node #0,2: 33:[10, 74, 44] Operation: 72-28=44 Moving to Node #0,0 Current State: 33:[10, 28, 2], Operations: ['74-72=2'] Exploring Operation: 28+2=30, Resulting Numbers: [10, 30] Generated Node #0,0,0: 33:[10, 30] Operation: 28+2=30 Exploring Operation: 28/2=14, Resulting Numbers: [10, 14] Generated Node #0,0,1: 33:[10, 14] Operation: 28/2=14 Exploring Operation: 10+28=38, Resulting Numbers: [2, 38] Generated Node #0,0,2: 33:[2, 38] Operation: 10+28=38 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[10, 30], Operations: ['74-72=2', '28+2=30'] Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,33 unequal: No Solution Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 33:[10, 14], Operations: ['74-72=2', '28/2=14'] Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 33:[2, 38], Operations: ['74-72=2', '10+28=38'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,33 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: 33:[72, 10, 46], Operations: ['74-28=46'] Exploring Operation: 46-10=36, Resulting Numbers: [72, 36] Generated Node #0,1,0: 33:[72, 36] Operation: 46-10=36 Exploring Operation: 72-10=62, Resulting Numbers: [46, 62] Generated Node #0,1,1: 33:[46, 62] Operation: 72-10=62 Exploring Operation: 72-46=26, Resulting Numbers: [10, 26] Generated Node #0,1,2: 33:[10, 26] Operation: 72-46=26 Moving to Node #0,2 Current State: 33:[10, 74, 44], Operations: ['72-28=44'] Exploring Operation: 44-10=34, Resulting Numbers: [74, 34] Generated Node #0,2,0: 33:[74, 34] Operation: 44-10=34 Exploring Operation: 74-44=30, Resulting Numbers: [10, 30] Generated Node #0,2,1: 33:[10, 30] Operation: 74-44=30 Exploring Operation: 74-10=64, Resulting Numbers: [44, 64] Generated Node #0,2,2: 33:[44, 64] Operation: 74-10=64 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 33:[10, 30], Operations: ['72-28=44', '74-44=30'] Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,33 unequal: No Solution Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 33:[74, 34], Operations: ['72-28=44', '44-10=34'] Exploring Operation: 74*34=2516, Resulting Numbers: [2516] 2516,33 unequal: No Solution Exploring Operation: 74+34=108, Resulting Numbers: [108] 108,33 unequal: No Solution Exploring Operation: 74-34=40, Resulting Numbers: [40] 40,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 33:[44, 64], Operations: ['72-28=44', '74-10=64'] Exploring Operation: 44*64=2816, Resulting Numbers: [2816] 2816,33 unequal: No Solution Exploring Operation: 44+64=108, Resulting Numbers: [108] 108,33 unequal: No Solution Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 33:[10, 26], Operations: ['74-28=46', '72-46=26'] Exploring Operation: 10+26=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 10*26=260, Resulting Numbers: [260] 260,33 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[72, 36], Operations: ['74-28=46', '46-10=36'] Exploring Operation: 72/36=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 72-36=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 72+36=108, Resulting Numbers: [108] 108,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[46, 62], Operations: ['74-28=46', '72-10=62'] Exploring Operation: 46+62=108, Resulting Numbers: [108] 108,33 unequal: No Solution Exploring Operation: 46*62=2852, Resulting Numbers: [2852] 2852,33 unequal: No Solution Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,33 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 33, 14, 99, 29 ]
46
[ "99/33=3", "14+29=43", "3+43=46" ]
Current State: 46:[33, 14, 99, 29], Operations: [] Exploring Operation: 99/33=3, Resulting Numbers: [14, 29, 3] Generated Node #2: [14, 29, 3] from Operation: 99/33=3 Current State: 46:[14, 29, 3], Operations: ['99/33=3'] Exploring Operation: 14+29=43, Resulting Numbers: [3, 43] Generated Node #3: [3, 43] from Operation: 14+29=43 Current State: 46:[3, 43], Operations: ['99/33=3', '14+29=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[33, 14, 99, 29], Operations: [] Exploring Operation: 99-33=66, Resulting Numbers: [14, 29, 66] Generated Node #0,0: 46:[14, 29, 66] Operation: 99-33=66 Exploring Operation: 99/33=3, Resulting Numbers: [14, 29, 3] Generated Node #0,1: 46:[14, 29, 3] Operation: 99/33=3 Exploring Operation: 33+14=47, Resulting Numbers: [99, 29, 47] Generated Node #0,2: 46:[99, 29, 47] Operation: 33+14=47 Exploring Operation: 99-14=85, Resulting Numbers: [33, 29, 85] Generated Node #0,3: 46:[33, 29, 85] Operation: 99-14=85 Exploring Operation: 99-29=70, Resulting Numbers: [33, 14, 70] Generated Node #0,4: 46:[33, 14, 70] Operation: 99-29=70 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[14, 29, 3], Operations: ['99/33=3'] Exploring Operation: 29-3=26, Resulting Numbers: [14, 26] Generated Node #0,1,0: 46:[14, 26] Operation: 29-3=26 Exploring Operation: 14+3=17, Resulting Numbers: [29, 17] Generated Node #0,1,1: 46:[29, 17] Operation: 14+3=17 Exploring Operation: 29-14=15, Resulting Numbers: [3, 15] Generated Node #0,1,2: 46:[3, 15] Operation: 29-14=15 Exploring Operation: 14*3=42, Resulting Numbers: [29, 42] Generated Node #0,1,3: 46:[29, 42] Operation: 14*3=42 Exploring Operation: 14+29=43, Resulting Numbers: [3, 43] Generated Node #0,1,4: 46:[3, 43] Operation: 14+29=43 Moving to Node #0,1,4 Current State: 46:[3, 43], Operations: ['99/33=3', '14+29=43'] Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,46 unequal: No Solution Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[33, 14, 99, 29], Operations: [] Exploring Operation: 99/33=3, Resulting Numbers: [14, 29, 3] Generated Node #0,1: 46:[14, 29, 3] Operation: 99/33=3 Moving to Node #0,1 Current State: 46:[14, 29, 3], Operations: ['99/33=3'] Exploring Operation: 14+29=43, Resulting Numbers: [3, 43] Generated Node #0,1,4: 46:[3, 43] Operation: 14+29=43 Moving to Node #0,1,4 Current State: 46:[3, 43], Operations: ['99/33=3', '14+29=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 71, 18, 25, 7 ]
86
[ "71+18=89", "25*7=175", "175-89=86" ]
Current State: 86:[71, 18, 25, 7], Operations: [] Exploring Operation: 71+18=89, Resulting Numbers: [25, 7, 89] Generated Node #2: [25, 7, 89] from Operation: 71+18=89 Current State: 86:[25, 7, 89], Operations: ['71+18=89'] Exploring Operation: 25*7=175, Resulting Numbers: [89, 175] Generated Node #3: [89, 175] from Operation: 25*7=175 Current State: 86:[89, 175], Operations: ['71+18=89', '25*7=175'] Exploring Operation: 175-89=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[71, 18, 25, 7], Operations: [] Exploring Operation: 18+25=43, Resulting Numbers: [71, 7, 43] Generated Node #0,0: 86:[71, 7, 43] Operation: 18+25=43 Exploring Operation: 71-25=46, Resulting Numbers: [18, 7, 46] Generated Node #0,1: 86:[18, 7, 46] Operation: 71-25=46 Exploring Operation: 25-18=7, Resulting Numbers: [71, 7, 7] Generated Node #0,2: 86:[71, 7, 7] Operation: 25-18=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[71, 7, 43], Operations: ['18+25=43'] Exploring Operation: 71-43=28, Resulting Numbers: [7, 28] Generated Node #0,0,0: 86:[7, 28] Operation: 71-43=28 Exploring Operation: 71-7=64, Resulting Numbers: [43, 64] Generated Node #0,0,1: 86:[43, 64] Operation: 71-7=64 Exploring Operation: 71+7=78, Resulting Numbers: [43, 78] Generated Node #0,0,2: 86:[43, 78] Operation: 71+7=78 Moving to Node #0,0,2 Current State: 86:[43, 78], Operations: ['18+25=43', '71+7=78'] Exploring Operation: 78-43=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 43*78=3354, Resulting Numbers: [3354] 3354,86 unequal: No Solution Exploring Operation: 43+78=121, Resulting Numbers: [121] 121,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[7, 28], Operations: ['18+25=43', '71-43=28'] Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[43, 64], Operations: ['18+25=43', '71-7=64'] Exploring Operation: 43+64=107, Resulting Numbers: [107] 107,86 unequal: No Solution Exploring Operation: 43*64=2752, Resulting Numbers: [2752] 2752,86 unequal: No Solution Exploring Operation: 64-43=21, Resulting Numbers: [21] 21,86 unequal: No Solution No 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: 86:[18, 7, 46], Operations: ['71-25=46'] Exploring Operation: 46-18=28, Resulting Numbers: [7, 28] Generated Node #0,1,0: 86:[7, 28] Operation: 46-18=28 Exploring Operation: 46-7=39, Resulting Numbers: [18, 39] Generated Node #0,1,1: 86:[18, 39] Operation: 46-7=39 Exploring Operation: 18-7=11, Resulting Numbers: [46, 11] Generated Node #0,1,2: 86:[46, 11] Operation: 18-7=11 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 86:[46, 11], Operations: ['71-25=46', '18-7=11'] Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 46*11=506, Resulting Numbers: [506] 506,86 unequal: No Solution Exploring Operation: 46+11=57, Resulting Numbers: [57] 57,86 unequal: No Solution No 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: 86:[7, 28], Operations: ['71-25=46', '46-18=28'] Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,86 unequal: No Solution No 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: 86:[18, 39], Operations: ['71-25=46', '46-7=39'] Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,86 unequal: No Solution Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,86 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: 86:[71, 7, 7], Operations: ['25-18=7'] Exploring Operation: 71+7=78, Resulting Numbers: [7, 78] Generated Node #0,2,0: 86:[7, 78] Operation: 71+7=78 Exploring Operation: 71+7=78, Resulting Numbers: [7, 78] Generated Node #0,2,1: 86:[7, 78] Operation: 71+7=78 Exploring Operation: 7/7=1, Resulting Numbers: [71, 1] Generated Node #0,2,2: 86:[71, 1] Operation: 7/7=1 Moving to Node #0,2,0 Current State: 86:[7, 78], Operations: ['25-18=7', '71+7=78'] Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,86 unequal: No Solution Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,86 unequal: No Solution Moving to Node #0,2,1 Current State: 86:[7, 78], Operations: ['25-18=7', '71+7=78'] Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,86 unequal: No Solution Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,86 unequal: No Solution Moving to Node #0,2,2 Current State: 86:[71, 1], Operations: ['25-18=7', '7/7=1'] Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,86 unequal: No Solution Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,86 unequal: No Solution Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 10, 54, 12, 80 ]
50
[ "80/10=8", "54-12=42", "8+42=50" ]
Current State: 50:[10, 54, 12, 80], Operations: [] Exploring Operation: 80/10=8, Resulting Numbers: [54, 12, 8] Generated Node #2: [54, 12, 8] from Operation: 80/10=8 Current State: 50:[54, 12, 8], Operations: ['80/10=8'] Exploring Operation: 54-12=42, Resulting Numbers: [8, 42] Generated Node #3: [8, 42] from Operation: 54-12=42 Current State: 50:[8, 42], Operations: ['80/10=8', '54-12=42'] Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[10, 54, 12, 80], Operations: [] Exploring Operation: 12-10=2, Resulting Numbers: [54, 80, 2] Generated Node #0,0: 50:[54, 80, 2] Operation: 12-10=2 Exploring Operation: 80-10=70, Resulting Numbers: [54, 12, 70] Generated Node #0,1: 50:[54, 12, 70] Operation: 80-10=70 Exploring Operation: 80-12=68, Resulting Numbers: [10, 54, 68] Generated Node #0,2: 50:[10, 54, 68] Operation: 80-12=68 Exploring Operation: 80/10=8, Resulting Numbers: [54, 12, 8] Generated Node #0,3: 50:[54, 12, 8] Operation: 80/10=8 Exploring Operation: 80-54=26, Resulting Numbers: [10, 12, 26] Generated Node #0,4: 50:[10, 12, 26] Operation: 80-54=26 Moving to Node #0,4 Current State: 50:[10, 12, 26], Operations: ['80-54=26'] Exploring Operation: 26-12=14, Resulting Numbers: [10, 14] Generated Node #0,4,0: 50:[10, 14] Operation: 26-12=14 Exploring Operation: 10+12=22, Resulting Numbers: [26, 22] Generated Node #0,4,1: 50:[26, 22] Operation: 10+12=22 Exploring Operation: 26-10=16, Resulting Numbers: [12, 16] Generated Node #0,4,2: 50:[12, 16] Operation: 26-10=16 Exploring Operation: 12+26=38, Resulting Numbers: [10, 38] Generated Node #0,4,3: 50:[10, 38] Operation: 12+26=38 Exploring Operation: 12-10=2, Resulting Numbers: [26, 2] Generated Node #0,4,4: 50:[26, 2] Operation: 12-10=2 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 50:[26, 2], Operations: ['80-54=26', '12-10=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,50 unequal: No Solution Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,50 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 #0,4,0 Current State: 50:[10, 14], Operations: ['80-54=26', '26-12=14'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,50 unequal: No Solution Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,50 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 #0,4,1 Current State: 50:[26, 22], Operations: ['80-54=26', '10+12=22'] Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 26*22=572, Resulting Numbers: [572] 572,50 unequal: No Solution Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,50 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 #0,4,2 Current State: 50:[12, 16], Operations: ['80-54=26', '26-10=16'] Exploring Operation: 12*16=192, Resulting Numbers: [192] 192,50 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,50 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 #0,4,3 Current State: 50:[10, 38], Operations: ['80-54=26', '12+26=38'] Exploring Operation: 10*38=380, Resulting Numbers: [380] 380,50 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,50 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: 50:[54, 12, 8], Operations: ['80/10=8'] Exploring Operation: 12+8=20, Resulting Numbers: [54, 20] Generated Node #0,3,0: 50:[54, 20] Operation: 12+8=20 Exploring Operation: 54-8=46, Resulting Numbers: [12, 46] Generated Node #0,3,1: 50:[12, 46] Operation: 54-8=46 Exploring Operation: 12-8=4, Resulting Numbers: [54, 4] Generated Node #0,3,2: 50:[54, 4] Operation: 12-8=4 Exploring Operation: 54+8=62, Resulting Numbers: [12, 62] Generated Node #0,3,3: 50:[12, 62] Operation: 54+8=62 Exploring Operation: 54-12=42, Resulting Numbers: [8, 42] Generated Node #0,3,4: 50:[8, 42] Operation: 54-12=42 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 50:[54, 4], Operations: ['80/10=8', '12-8=4'] Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[10, 54, 12, 80], Operations: [] Exploring Operation: 80/10=8, Resulting Numbers: [54, 12, 8] Generated Node #0,3: 50:[54, 12, 8] Operation: 80/10=8 Moving to Node #0,3 Current State: 50:[54, 12, 8], Operations: ['80/10=8'] Exploring Operation: 12-8=4, Resulting Numbers: [54, 4] Generated Node #0,3,2: 50:[54, 4] Operation: 12-8=4 Moving to Node #0,3,2 Current State: 50:[54, 4], Operations: ['80/10=8', '12-8=4'] Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 63, 70, 27, 89 ]
69
[ "70-63=7", "89-27=62", "7+62=69" ]
Current State: 69:[63, 70, 27, 89], Operations: [] Exploring Operation: 70-63=7, Resulting Numbers: [27, 89, 7] Generated Node #2: [27, 89, 7] from Operation: 70-63=7 Current State: 69:[27, 89, 7], Operations: ['70-63=7'] Exploring Operation: 89-27=62, Resulting Numbers: [7, 62] Generated Node #3: [7, 62] from Operation: 89-27=62 Current State: 69:[7, 62], Operations: ['70-63=7', '89-27=62'] Exploring Operation: 7+62=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[63, 70, 27, 89], Operations: [] Exploring Operation: 89-27=62, Resulting Numbers: [63, 70, 62] Generated Node #0,0: 69:[63, 70, 62] Operation: 89-27=62 Exploring Operation: 89-63=26, Resulting Numbers: [70, 27, 26] Generated Node #0,1: 69:[70, 27, 26] Operation: 89-63=26 Exploring Operation: 89-70=19, Resulting Numbers: [63, 27, 19] Generated Node #0,2: 69:[63, 27, 19] Operation: 89-70=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[70, 27, 26], Operations: ['89-63=26'] Exploring Operation: 27-26=1, Resulting Numbers: [70, 1] Generated Node #0,1,0: 69:[70, 1] Operation: 27-26=1 Exploring Operation: 70-27=43, Resulting Numbers: [26, 43] Generated Node #0,1,1: 69:[26, 43] Operation: 70-27=43 Exploring Operation: 27+26=53, Resulting Numbers: [70, 53] Generated Node #0,1,2: 69:[70, 53] Operation: 27+26=53 Moving to Node #0,1,0 Current State: 69:[70, 1], Operations: ['89-63=26', '27-26=1'] Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[63, 70, 27, 89], Operations: [] Exploring Operation: 89-63=26, Resulting Numbers: [70, 27, 26] Generated Node #0,1: 69:[70, 27, 26] Operation: 89-63=26 Moving to Node #0,1 Current State: 69:[70, 27, 26], Operations: ['89-63=26'] Exploring Operation: 27-26=1, Resulting Numbers: [70, 1] Generated Node #0,1,0: 69:[70, 1] Operation: 27-26=1 Moving to Node #0,1,0 Current State: 69:[70, 1], Operations: ['89-63=26', '27-26=1'] Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 7, 17, 7, 42 ]
11
[ "7+17=24", "42-7=35", "35-24=11" ]
Current State: 11:[7, 17, 7, 42], Operations: [] Exploring Operation: 7+17=24, Resulting Numbers: [42, 24] Generated Node #2: [42, 24] from Operation: 7+17=24 Current State: 11:[42, 24], Operations: ['7+17=24'] Exploring Operation: 42-7=35, Resulting Numbers: [24, 35] Generated Node #3: [24, 35] from Operation: 42-7=35 Current State: 11:[24, 35], Operations: ['7+17=24', '42-7=35'] Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[7, 17, 7, 42], Operations: [] Exploring Operation: 42-7=35, Resulting Numbers: [17, 7, 35] Generated Node #0,0: 11:[17, 7, 35] Operation: 42-7=35 Exploring Operation: 42/7=6, Resulting Numbers: [7, 17, 6] Generated Node #0,1: 11:[7, 17, 6] Operation: 42/7=6 Exploring Operation: 42-17=25, Resulting Numbers: [7, 7, 25] Generated Node #0,2: 11:[7, 7, 25] Operation: 42-17=25 Exploring Operation: 42/7=6, Resulting Numbers: [17, 7, 6] Generated Node #0,3: 11:[17, 7, 6] Operation: 42/7=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[7, 17, 6], Operations: ['42/7=6'] Exploring Operation: 7+6=13, Resulting Numbers: [17, 13] Generated Node #0,1,0: 11:[17, 13] Operation: 7+6=13 Exploring Operation: 17-7=10, Resulting Numbers: [6, 10] Generated Node #0,1,1: 11:[6, 10] Operation: 17-7=10 Exploring Operation: 7-6=1, Resulting Numbers: [17, 1] Generated Node #0,1,2: 11:[17, 1] Operation: 7-6=1 Exploring Operation: 17-6=11, Resulting Numbers: [7, 11] Generated Node #0,1,3: 11:[7, 11] Operation: 17-6=11 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 11:[7, 11], Operations: ['42/7=6', '17-6=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,11 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,11 unequal: No Solution No 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: 11:[6, 10], Operations: ['42/7=6', '17-7=10'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,11 unequal: No Solution No 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: 11:[17, 13], Operations: ['42/7=6', '7+6=13'] Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,11 unequal: No Solution Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 11:[17, 1], Operations: ['42/7=6', '7-6=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,11 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: 11:[17, 7, 6], Operations: ['42/7=6'] Exploring Operation: 17+6=23, Resulting Numbers: [7, 23] Generated Node #0,3,0: 11:[7, 23] Operation: 17+6=23 Exploring Operation: 17-7=10, Resulting Numbers: [6, 10] Generated Node #0,3,1: 11:[6, 10] Operation: 17-7=10 Exploring Operation: 7+6=13, Resulting Numbers: [17, 13] Generated Node #0,3,2: 11:[17, 13] Operation: 7+6=13 Exploring Operation: 17-6=11, Resulting Numbers: [7, 11] Generated Node #0,3,3: 11:[7, 11] Operation: 17-6=11 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 11:[7, 11], Operations: ['42/7=6', '17-6=11'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,11 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,11 unequal: No Solution No 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: 11:[6, 10], Operations: ['42/7=6', '17-7=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,11 unequal: No Solution No 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: 11:[17, 13], Operations: ['42/7=6', '7+6=13'] Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,11 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,11 unequal: No Solution No 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: 11:[7, 23], Operations: ['42/7=6', '17+6=23'] Exploring Operation: 7*23=161, Resulting Numbers: [161] 161,11 unequal: No Solution Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,11 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: 11:[7, 7, 25], Operations: ['42-17=25'] Exploring Operation: 25-7=18, Resulting Numbers: [7, 18] Generated Node #0,2,0: 11:[7, 18] Operation: 25-7=18 Exploring Operation: 7+7=14, Resulting Numbers: [25, 14] Generated Node #0,2,1: 11:[25, 14] Operation: 7+7=14 Exploring Operation: 7/7=1, Resulting Numbers: [25, 1] Generated Node #0,2,2: 11:[25, 1] Operation: 7/7=1 Exploring Operation: 25-7=18, Resulting Numbers: [7, 18] Generated Node #0,2,3: 11:[7, 18] Operation: 25-7=18 Moving to Node #0,2,0 Current State: 11:[7, 18], Operations: ['42-17=25', '25-7=18'] Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,11 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[7, 17, 7, 42], Operations: [] Exploring Operation: 42-17=25, Resulting Numbers: [7, 7, 25] Generated Node #0,2: 11:[7, 7, 25] Operation: 42-17=25 Moving to Node #0,2 Current State: 11:[7, 7, 25], Operations: ['42-17=25'] Exploring Operation: 25-7=18, Resulting Numbers: [7, 18] Generated Node #0,2,0: 11:[7, 18] Operation: 25-7=18 Moving to Node #0,2,0 Current State: 11:[7, 18], Operations: ['42-17=25', '25-7=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_4
sum_heuristic
[ 43, 63, 48, 50 ]
53
[ "43+63=106", "50-48=2", "106/2=53" ]
Current State: 53:[43, 63, 48, 50], Operations: [] Exploring Operation: 43+63=106, Resulting Numbers: [48, 50, 106] Generated Node #2: [48, 50, 106] from Operation: 43+63=106 Current State: 53:[48, 50, 106], Operations: ['43+63=106'] Exploring Operation: 50-48=2, Resulting Numbers: [106, 2] Generated Node #3: [106, 2] from Operation: 50-48=2 Current State: 53:[106, 2], Operations: ['43+63=106', '50-48=2'] Exploring Operation: 106/2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[43, 63, 48, 50], Operations: [] Exploring Operation: 63-43=20, Resulting Numbers: [48, 50, 20] Generated Node #0,0: 53:[48, 50, 20] Operation: 63-43=20 Exploring Operation: 63-50=13, Resulting Numbers: [43, 48, 13] Generated Node #0,1: 53:[43, 48, 13] Operation: 63-50=13 Exploring Operation: 63-48=15, Resulting Numbers: [43, 50, 15] Generated Node #0,2: 53:[43, 50, 15] Operation: 63-48=15 Exploring Operation: 43+48=91, Resulting Numbers: [63, 50, 91] Generated Node #0,3: 53:[63, 50, 91] Operation: 43+48=91 Exploring Operation: 43+50=93, Resulting Numbers: [63, 48, 93] Generated Node #0,4: 53:[63, 48, 93] Operation: 43+50=93 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[48, 50, 20], Operations: ['63-43=20'] Exploring Operation: 50+20=70, Resulting Numbers: [48, 70] Generated Node #0,0,0: 53:[48, 70] Operation: 50+20=70 Exploring Operation: 48-20=28, Resulting Numbers: [50, 28] Generated Node #0,0,1: 53:[50, 28] Operation: 48-20=28 Exploring Operation: 48+20=68, Resulting Numbers: [50, 68] Generated Node #0,0,2: 53:[50, 68] Operation: 48+20=68 Exploring Operation: 48+50=98, Resulting Numbers: [20, 98] Generated Node #0,0,3: 53:[20, 98] Operation: 48+50=98 Exploring Operation: 50-20=30, Resulting Numbers: [48, 30] Generated Node #0,0,4: 53:[48, 30] Operation: 50-20=30 Moving to Node #0,0,2 Current State: 53:[50, 68], Operations: ['63-43=20', '48+20=68'] Exploring Operation: 50*68=3400, Resulting Numbers: [3400] 3400,53 unequal: No Solution Exploring Operation: 50+68=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 68-50=18, Resulting Numbers: [18] 18,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[48, 70], Operations: ['63-43=20', '50+20=70'] Exploring Operation: 48*70=3360, Resulting Numbers: [3360] 3360,53 unequal: No Solution Exploring Operation: 70-48=22, Resulting Numbers: [22] 22,53 unequal: No Solution Exploring Operation: 48+70=118, Resulting Numbers: [118] 118,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[50, 28], Operations: ['63-43=20', '48-20=28'] Exploring Operation: 50+28=78, Resulting Numbers: [78] 78,53 unequal: No Solution Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,53 unequal: No Solution Exploring Operation: 50*28=1400, Resulting Numbers: [1400] 1400,53 unequal: No Solution Moving to Node #0,0,4 Current State: 53:[48, 30], Operations: ['63-43=20', '50-20=30'] Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,53 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,53 unequal: No Solution Exploring Operation: 48*30=1440, Resulting Numbers: [1440] 1440,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[20, 98], Operations: ['63-43=20', '48+50=98'] Exploring Operation: 20*98=1960, Resulting Numbers: [1960] 1960,53 unequal: No Solution Exploring Operation: 20+98=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 98-20=78, Resulting Numbers: [78] 78,53 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 #0,2 Current State: 53:[43, 50, 15], Operations: ['63-48=15'] Exploring Operation: 50-15=35, Resulting Numbers: [43, 35] Generated Node #0,2,0: 53:[43, 35] Operation: 50-15=35 Exploring Operation: 43-15=28, Resulting Numbers: [50, 28] Generated Node #0,2,1: 53:[50, 28] Operation: 43-15=28 Exploring Operation: 43+50=93, Resulting Numbers: [15, 93] Generated Node #0,2,2: 53:[15, 93] Operation: 43+50=93 Exploring Operation: 50+15=65, Resulting Numbers: [43, 65] Generated Node #0,2,3: 53:[43, 65] Operation: 50+15=65 Exploring Operation: 43+15=58, Resulting Numbers: [50, 58] Generated Node #0,2,4: 53:[50, 58] Operation: 43+15=58 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 53:[50, 58], Operations: ['63-48=15', '43+15=58'] Exploring Operation: 50+58=108, Resulting Numbers: [108] 108,53 unequal: No Solution Exploring Operation: 58-50=8, Resulting Numbers: [8] 8,53 unequal: No Solution Exploring Operation: 50*58=2900, Resulting Numbers: [2900] 2900,53 unequal: No Solution No 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: 53:[43, 65], Operations: ['63-48=15', '50+15=65'] Exploring Operation: 43+65=108, Resulting Numbers: [108] 108,53 unequal: No Solution Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,53 unequal: No Solution Exploring Operation: 43*65=2795, Resulting Numbers: [2795] 2795,53 unequal: No Solution No 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: 53:[43, 35], Operations: ['63-48=15', '50-15=35'] Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,53 unequal: No Solution Exploring Operation: 43+35=78, Resulting Numbers: [78] 78,53 unequal: No Solution Exploring Operation: 43*35=1505, Resulting Numbers: [1505] 1505,53 unequal: No Solution No 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: 53:[50, 28], Operations: ['63-48=15', '43-15=28'] Exploring Operation: 50+28=78, Resulting Numbers: [78] 78,53 unequal: No Solution Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,53 unequal: No Solution Exploring Operation: 50*28=1400, Resulting Numbers: [1400] 1400,53 unequal: No Solution No 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: 53:[15, 93], Operations: ['63-48=15', '43+50=93'] Exploring Operation: 15*93=1395, Resulting Numbers: [1395] 1395,53 unequal: No Solution Exploring Operation: 15+93=108, Resulting Numbers: [108] 108,53 unequal: No Solution Exploring Operation: 93-15=78, Resulting Numbers: [78] 78,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 53:[63, 50, 91], Operations: ['43+48=91'] Exploring Operation: 63-50=13, Resulting Numbers: [91, 13] Generated Node #0,3,0: 53:[91, 13] Operation: 63-50=13 Exploring Operation: 63+50=113, Resulting Numbers: [91, 113] Generated Node #0,3,1: 53:[91, 113] Operation: 63+50=113 Exploring Operation: 91-50=41, Resulting Numbers: [63, 41] Generated Node #0,3,2: 53:[63, 41] Operation: 91-50=41 Exploring Operation: 91-63=28, Resulting Numbers: [50, 28] Generated Node #0,3,3: 53:[50, 28] Operation: 91-63=28 Exploring Operation: 50+91=141, Resulting Numbers: [63, 141] Generated Node #0,3,4: 53:[63, 141] Operation: 50+91=141 Moving to Node #0,3,2 Current State: 53:[63, 41], Operations: ['43+48=91', '91-50=41'] Exploring Operation: 63+41=104, Resulting Numbers: [104] 104,53 unequal: No Solution Exploring Operation: 63*41=2583, Resulting Numbers: [2583] 2583,53 unequal: No Solution Exploring Operation: 63-41=22, Resulting Numbers: [22] 22,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[50, 28], Operations: ['43+48=91', '91-63=28'] Exploring Operation: 50*28=1400, Resulting Numbers: [1400] 1400,53 unequal: No Solution Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,53 unequal: No Solution Exploring Operation: 50+28=78, Resulting Numbers: [78] 78,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[91, 13], Operations: ['43+48=91', '63-50=13'] Exploring Operation: 91+13=104, Resulting Numbers: [104] 104,53 unequal: No Solution Exploring Operation: 91*13=1183, Resulting Numbers: [1183] 1183,53 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,53 unequal: No Solution Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,53 unequal: No Solution Moving to Node #0,3,1 Current State: 53:[91, 113], Operations: ['43+48=91', '63+50=113'] Exploring Operation: 113-91=22, Resulting Numbers: [22] 22,53 unequal: No Solution Exploring Operation: 91+113=204, Resulting Numbers: [204] 204,53 unequal: No Solution Exploring Operation: 91*113=10283, Resulting Numbers: [10283] 10283,53 unequal: No Solution Moving to Node #0,3,4 Current State: 53:[63, 141], Operations: ['43+48=91', '50+91=141'] Exploring Operation: 63+141=204, Resulting Numbers: [204] 204,53 unequal: No Solution Exploring Operation: 141-63=78, Resulting Numbers: [78] 78,53 unequal: No Solution Exploring Operation: 63*141=8883, Resulting Numbers: [8883] 8883,53 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 Current State: 53:[43, 48, 13], Operations: ['63-50=13'] Exploring Operation: 48-13=35, Resulting Numbers: [43, 35] Generated Node #0,1,0: 53:[43, 35] Operation: 48-13=35 Exploring Operation: 43+48=91, Resulting Numbers: [13, 91] Generated Node #0,1,1: 53:[13, 91] Operation: 43+48=91 Exploring Operation: 43-13=30, Resulting Numbers: [48, 30] Generated Node #0,1,2: 53:[48, 30] Operation: 43-13=30 Exploring Operation: 48+13=61, Resulting Numbers: [43, 61] Generated Node #0,1,3: 53:[43, 61] Operation: 48+13=61 Exploring Operation: 43+13=56, Resulting Numbers: [48, 56] Generated Node #0,1,4: 53:[48, 56] Operation: 43+13=56 Moving to Node #0,1,4 Current State: 53:[48, 56], Operations: ['63-50=13', '43+13=56'] Exploring Operation: 48*56=2688, Resulting Numbers: [2688] 2688,53 unequal: No Solution Exploring Operation: 48+56=104, Resulting Numbers: [104] 104,53 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[43, 61], Operations: ['63-50=13', '48+13=61'] Exploring Operation: 43+61=104, Resulting Numbers: [104] 104,53 unequal: No Solution Exploring Operation: 43*61=2623, Resulting Numbers: [2623] 2623,53 unequal: No Solution Exploring Operation: 61-43=18, Resulting Numbers: [18] 18,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[43, 35], Operations: ['63-50=13', '48-13=35'] Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,53 unequal: No Solution Exploring Operation: 43+35=78, Resulting Numbers: [78] 78,53 unequal: No Solution Exploring Operation: 43*35=1505, Resulting Numbers: [1505] 1505,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[48, 30], Operations: ['63-50=13', '43-13=30'] Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,53 unequal: No Solution Exploring Operation: 48*30=1440, Resulting Numbers: [1440] 1440,53 unequal: No Solution Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[13, 91], Operations: ['63-50=13', '43+48=91'] Exploring Operation: 13*91=1183, Resulting Numbers: [1183] 1183,53 unequal: No Solution Exploring Operation: 13+91=104, Resulting Numbers: [104] 104,53 unequal: No Solution Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,53 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 Current State: 53:[63, 48, 93], Operations: ['43+50=93'] Exploring Operation: 48+93=141, Resulting Numbers: [63, 141] Generated Node #0,4,0: 53:[63, 141] Operation: 48+93=141 Exploring Operation: 63+48=111, Resulting Numbers: [93, 111] Generated Node #0,4,1: 53:[93, 111] Operation: 63+48=111 Exploring Operation: 93-48=45, Resulting Numbers: [63, 45] Generated Node #0,4,2: 53:[63, 45] Operation: 93-48=45 Exploring Operation: 93-63=30, Resulting Numbers: [48, 30] Generated Node #0,4,3: 53:[48, 30] Operation: 93-63=30 Exploring Operation: 63-48=15, Resulting Numbers: [93, 15] Generated Node #0,4,4: 53:[93, 15] Operation: 63-48=15 Moving to Node #0,4,2 Current State: 53:[63, 45], Operations: ['43+50=93', '93-48=45'] Exploring Operation: 63*45=2835, Resulting Numbers: [2835] 2835,53 unequal: No Solution Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,53 unequal: No Solution Exploring Operation: 63+45=108, Resulting Numbers: [108] 108,53 unequal: No Solution Moving to Node #0,4,3 Current State: 53:[48, 30], Operations: ['43+50=93', '93-63=30'] Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,53 unequal: No Solution Exploring Operation: 48*30=1440, Resulting Numbers: [1440] 1440,53 unequal: No Solution Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,53 unequal: No Solution Moving to Node #0,4,4 Current State: 53:[93, 15], Operations: ['43+50=93', '63-48=15'] Exploring Operation: 93*15=1395, Resulting Numbers: [1395] 1395,53 unequal: No Solution Exploring Operation: 93+15=108, Resulting Numbers: [108] 108,53 unequal: No Solution Exploring Operation: 93-15=78, Resulting Numbers: [78] 78,53 unequal: No Solution Moving to Node #0,4,0 Current State: 53:[63, 141], Operations: ['43+50=93', '48+93=141'] Exploring Operation: 63*141=8883, Resulting Numbers: [8883] 8883,53 unequal: No Solution Exploring Operation: 63+141=204, Resulting Numbers: [204] 204,53 unequal: No Solution Exploring Operation: 141-63=78, Resulting Numbers: [78] 78,53 unequal: No Solution Moving to Node #0,4,1 Current State: 53:[93, 111], Operations: ['43+50=93', '63+48=111'] Exploring Operation: 93*111=10323, Resulting Numbers: [10323] 10323,53 unequal: No Solution Exploring Operation: 93+111=204, Resulting Numbers: [204] 204,53 unequal: No Solution Exploring Operation: 111-93=18, Resulting Numbers: [18] 18,53 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
[ 37, 80, 21, 3 ]
19
[ "80-37=43", "21+3=24", "43-24=19" ]
Current State: 19:[37, 80, 21, 3], Operations: [] Exploring Operation: 80-37=43, Resulting Numbers: [21, 3, 43] Generated Node #2: [21, 3, 43] from Operation: 80-37=43 Current State: 19:[21, 3, 43], Operations: ['80-37=43'] Exploring Operation: 21+3=24, Resulting Numbers: [43, 24] Generated Node #3: [43, 24] from Operation: 21+3=24 Current State: 19:[43, 24], Operations: ['80-37=43', '21+3=24'] Exploring Operation: 43-24=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[37, 80, 21, 3], Operations: [] Exploring Operation: 37-21=16, Resulting Numbers: [80, 3, 16] Generated Node #0,0: 19:[80, 3, 16] Operation: 37-21=16 Exploring Operation: 80-37=43, Resulting Numbers: [21, 3, 43] Generated Node #0,1: 19:[21, 3, 43] Operation: 80-37=43 Exploring Operation: 37-3=34, Resulting Numbers: [80, 21, 34] Generated Node #0,2: 19:[80, 21, 34] Operation: 37-3=34 Exploring Operation: 80-3=77, Resulting Numbers: [37, 21, 77] Generated Node #0,3: 19:[37, 21, 77] Operation: 80-3=77 Exploring Operation: 80-21=59, Resulting Numbers: [37, 3, 59] Generated Node #0,4: 19:[37, 3, 59] Operation: 80-21=59 Moving to Node #0,1 Current State: 19:[21, 3, 43], Operations: ['80-37=43'] Exploring Operation: 21+3=24, Resulting Numbers: [43, 24] Generated Node #0,1,0: 19:[43, 24] Operation: 21+3=24 Exploring Operation: 21-3=18, Resulting Numbers: [43, 18] Generated Node #0,1,1: 19:[43, 18] Operation: 21-3=18 Exploring Operation: 43-21=22, Resulting Numbers: [3, 22] Generated Node #0,1,2: 19:[3, 22] Operation: 43-21=22 Exploring Operation: 3+43=46, Resulting Numbers: [21, 46] Generated Node #0,1,3: 19:[21, 46] Operation: 3+43=46 Exploring Operation: 43-3=40, Resulting Numbers: [21, 40] Generated Node #0,1,4: 19:[21, 40] Operation: 43-3=40 Moving to Node #0,4 Current State: 19:[37, 3, 59], Operations: ['80-21=59'] Exploring Operation: 59-3=56, Resulting Numbers: [37, 56] Generated Node #0,4,0: 19:[37, 56] Operation: 59-3=56 Exploring Operation: 59-37=22, Resulting Numbers: [3, 22] Generated Node #0,4,1: 19:[3, 22] Operation: 59-37=22 Exploring Operation: 37+3=40, Resulting Numbers: [59, 40] Generated Node #0,4,2: 19:[59, 40] Operation: 37+3=40 Exploring Operation: 37-3=34, Resulting Numbers: [59, 34] Generated Node #0,4,3: 19:[59, 34] Operation: 37-3=34 Exploring Operation: 3+59=62, Resulting Numbers: [37, 62] Generated Node #0,4,4: 19:[37, 62] Operation: 3+59=62 Moving to Node #0,2 Current State: 19:[80, 21, 34], Operations: ['37-3=34'] Exploring Operation: 34-21=13, Resulting Numbers: [80, 13] Generated Node #0,2,0: 19:[80, 13] Operation: 34-21=13 Exploring Operation: 80+34=114, Resulting Numbers: [21, 114] Generated Node #0,2,1: 19:[21, 114] Operation: 80+34=114 Exploring Operation: 80-34=46, Resulting Numbers: [21, 46] Generated Node #0,2,2: 19:[21, 46] Operation: 80-34=46 Exploring Operation: 80+21=101, Resulting Numbers: [34, 101] Generated Node #0,2,3: 19:[34, 101] Operation: 80+21=101 Exploring Operation: 80-21=59, Resulting Numbers: [34, 59] Generated Node #0,2,4: 19:[34, 59] Operation: 80-21=59 Moving to Node #0,3 Current State: 19:[37, 21, 77], Operations: ['80-3=77'] Exploring Operation: 77-37=40, Resulting Numbers: [21, 40] Generated Node #0,3,0: 19:[21, 40] Operation: 77-37=40 Exploring Operation: 77-21=56, Resulting Numbers: [37, 56] Generated Node #0,3,1: 19:[37, 56] Operation: 77-21=56 Exploring Operation: 37+77=114, Resulting Numbers: [21, 114] Generated Node #0,3,2: 19:[21, 114] Operation: 37+77=114 Exploring Operation: 37-21=16, Resulting Numbers: [77, 16] Generated Node #0,3,3: 19:[77, 16] Operation: 37-21=16 Exploring Operation: 37+21=58, Resulting Numbers: [77, 58] Generated Node #0,3,4: 19:[77, 58] Operation: 37+21=58 Moving to Node #0,0 Current State: 19:[80, 3, 16], Operations: ['37-21=16'] Exploring Operation: 80-3=77, Resulting Numbers: [16, 77] Generated Node #0,0,0: 19:[16, 77] Operation: 80-3=77 Exploring Operation: 80+3=83, Resulting Numbers: [16, 83] Generated Node #0,0,1: 19:[16, 83] Operation: 80+3=83 Exploring Operation: 80/16=5, Resulting Numbers: [3, 5] Generated Node #0,0,2: 19:[3, 5] Operation: 80/16=5 Exploring Operation: 80-16=64, Resulting Numbers: [3, 64] Generated Node #0,0,3: 19:[3, 64] Operation: 80-16=64 Exploring Operation: 3+16=19, Resulting Numbers: [80, 19] Generated Node #0,0,4: 19:[80, 19] Operation: 3+16=19 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[3, 5], Operations: ['37-21=16', '80/16=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,19 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 #0,0,0 Current State: 19:[16, 77], Operations: ['37-21=16', '80-3=77'] Exploring Operation: 16*77=1232, Resulting Numbers: [1232] 1232,19 unequal: No Solution Exploring Operation: 77-16=61, Resulting Numbers: [61] 61,19 unequal: No Solution Exploring Operation: 16+77=93, Resulting Numbers: [93] 93,19 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 #0,0,3 Current State: 19:[3, 64], Operations: ['37-21=16', '80-16=64'] Exploring Operation: 3+64=67, Resulting Numbers: [67] 67,19 unequal: No Solution Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,19 unequal: No Solution Exploring Operation: 3*64=192, Resulting Numbers: [192] 192,19 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 #0,0,4 Current State: 19:[80, 19], Operations: ['37-21=16', '3+16=19'] Exploring Operation: 80-19=61, Resulting Numbers: [61] 61,19 unequal: No Solution Exploring Operation: 80+19=99, Resulting Numbers: [99] 99,19 unequal: No Solution Exploring Operation: 80*19=1520, Resulting Numbers: [1520] 1520,19 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 #0,0,1 Current State: 19:[16, 83], Operations: ['37-21=16', '80+3=83'] Exploring Operation: 16*83=1328, Resulting Numbers: [1328] 1328,19 unequal: No Solution Exploring Operation: 16+83=99, Resulting Numbers: [99] 99,19 unequal: No Solution Exploring Operation: 83-16=67, Resulting Numbers: [67] 67,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 19:[3, 22], Operations: ['80-37=43', '43-21=22'] Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,19 unequal: No Solution Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,19 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[37, 80, 21, 3], Operations: [] Exploring Operation: 80-37=43, Resulting Numbers: [21, 3, 43] Generated Node #0,1: 19:[21, 3, 43] Operation: 80-37=43 Moving to Node #0,1 Current State: 19:[21, 3, 43], Operations: ['80-37=43'] Exploring Operation: 43-21=22, Resulting Numbers: [3, 22] Generated Node #0,1,2: 19:[3, 22] Operation: 43-21=22 Moving to Node #0,1,2 Current State: 19:[3, 22], Operations: ['80-37=43', '43-21=22'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.954861
hs_5
sum_heuristic
[ 72, 14, 50, 12 ]
44
[ "72-50=22", "14-12=2", "22*2=44" ]
Current State: 44:[72, 14, 50, 12], Operations: [] Exploring Operation: 72-50=22, Resulting Numbers: [14, 12, 22] Generated Node #2: [14, 12, 22] from Operation: 72-50=22 Current State: 44:[14, 12, 22], Operations: ['72-50=22'] Exploring Operation: 14-12=2, Resulting Numbers: [22, 2] Generated Node #3: [22, 2] from Operation: 14-12=2 Current State: 44:[22, 2], Operations: ['72-50=22', '14-12=2'] Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[72, 14, 50, 12], Operations: [] Exploring Operation: 72-50=22, Resulting Numbers: [14, 12, 22] Generated Node #0,0: 44:[14, 12, 22] Operation: 72-50=22 Exploring Operation: 72-12=60, Resulting Numbers: [14, 50, 60] Generated Node #0,1: 44:[14, 50, 60] Operation: 72-12=60 Exploring Operation: 14-12=2, Resulting Numbers: [72, 50, 2] Generated Node #0,2: 44:[72, 50, 2] Operation: 14-12=2 Exploring Operation: 72/12=6, Resulting Numbers: [14, 50, 6] Generated Node #0,3: 44:[14, 50, 6] Operation: 72/12=6 Exploring Operation: 72-14=58, Resulting Numbers: [50, 12, 58] Generated Node #0,4: 44:[50, 12, 58] Operation: 72-14=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[14, 12, 22], Operations: ['72-50=22'] Exploring Operation: 22-14=8, Resulting Numbers: [12, 8] Generated Node #0,0,0: 44:[12, 8] Operation: 22-14=8 Exploring Operation: 14-12=2, Resulting Numbers: [22, 2] Generated Node #0,0,1: 44:[22, 2] Operation: 14-12=2 Exploring Operation: 14+22=36, Resulting Numbers: [12, 36] Generated Node #0,0,2: 44:[12, 36] Operation: 14+22=36 Exploring Operation: 22-12=10, Resulting Numbers: [14, 10] Generated Node #0,0,3: 44:[14, 10] Operation: 22-12=10 Exploring Operation: 14+12=26, Resulting Numbers: [22, 26] Generated Node #0,0,4: 44:[22, 26] Operation: 14+12=26 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 44:[22, 2], Operations: ['72-50=22', '14-12=2'] Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[72, 14, 50, 12], Operations: [] Exploring Operation: 72-50=22, Resulting Numbers: [14, 12, 22] Generated Node #0,0: 44:[14, 12, 22] Operation: 72-50=22 Moving to Node #0,0 Current State: 44:[14, 12, 22], Operations: ['72-50=22'] Exploring Operation: 14-12=2, Resulting Numbers: [22, 2] Generated Node #0,0,1: 44:[22, 2] Operation: 14-12=2 Moving to Node #0,0,1 Current State: 44:[22, 2], Operations: ['72-50=22', '14-12=2'] Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 58, 74, 34, 5 ]
50
[ "74-34=40", "40/5=8", "58-8=50" ]
Current State: 50:[58, 74, 34, 5], Operations: [] Exploring Operation: 74-34=40, Resulting Numbers: [58, 5, 40] Generated Node #2: [58, 5, 40] from Operation: 74-34=40 Current State: 50:[58, 5, 40], Operations: ['74-34=40'] Exploring Operation: 40/5=8, Resulting Numbers: [58, 8] Generated Node #3: [58, 8] from Operation: 40/5=8 Current State: 50:[58, 8], Operations: ['74-34=40', '40/5=8'] Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[58, 74, 34, 5], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [34, 5, 16] Generated Node #0,0: 50:[34, 5, 16] Operation: 74-58=16 Exploring Operation: 58-34=24, Resulting Numbers: [74, 5, 24] Generated Node #0,1: 50:[74, 5, 24] Operation: 58-34=24 Exploring Operation: 74-34=40, Resulting Numbers: [58, 5, 40] Generated Node #0,2: 50:[58, 5, 40] Operation: 74-34=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[34, 5, 16], Operations: ['74-58=16'] Exploring Operation: 34-5=29, Resulting Numbers: [16, 29] Generated Node #0,0,0: 50:[16, 29] Operation: 34-5=29 Exploring Operation: 34+16=50, Resulting Numbers: [5, 50] Generated Node #0,0,1: 50:[5, 50] Operation: 34+16=50 Exploring Operation: 34-16=18, Resulting Numbers: [5, 18] Generated Node #0,0,2: 50:[5, 18] Operation: 34-16=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 50:[5, 50], Operations: ['74-58=16', '34+16=50'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,50 unequal: No Solution No 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: 50:[5, 18], Operations: ['74-58=16', '34-16=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,50 unequal: No Solution No 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: 50:[16, 29], Operations: ['74-58=16', '34-5=29'] Exploring Operation: 16+29=45, Resulting Numbers: [45] 45,50 unequal: No Solution Exploring Operation: 16*29=464, Resulting Numbers: [464] 464,50 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,50 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: 50:[58, 5, 40], Operations: ['74-34=40'] Exploring Operation: 40/5=8, Resulting Numbers: [58, 8] Generated Node #0,2,0: 50:[58, 8] Operation: 40/5=8 Exploring Operation: 58-5=53, Resulting Numbers: [40, 53] Generated Node #0,2,1: 50:[40, 53] Operation: 58-5=53 Exploring Operation: 58-40=18, Resulting Numbers: [5, 18] Generated Node #0,2,2: 50:[5, 18] Operation: 58-40=18 Moving to Node #0,2,2 Current State: 50:[5, 18], Operations: ['74-34=40', '58-40=18'] Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[58, 8], Operations: ['74-34=40', '40/5=8'] Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[58, 74, 34, 5], Operations: [] Exploring Operation: 74-34=40, Resulting Numbers: [58, 5, 40] Generated Node #0,2: 50:[58, 5, 40] Operation: 74-34=40 Moving to Node #0,2 Current State: 50:[58, 5, 40], Operations: ['74-34=40'] Exploring Operation: 40/5=8, Resulting Numbers: [58, 8] Generated Node #0,2,0: 50:[58, 8] Operation: 40/5=8 Moving to Node #0,2,0 Current State: 50:[58, 8], Operations: ['74-34=40', '40/5=8'] Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 69, 24, 16, 4 ]
97
[ "69+24=93", "16/4=4", "93+4=97" ]
Current State: 97:[69, 24, 16, 4], Operations: [] Exploring Operation: 69+24=93, Resulting Numbers: [16, 4, 93] Generated Node #2: [16, 4, 93] from Operation: 69+24=93 Current State: 97:[16, 4, 93], Operations: ['69+24=93'] Exploring Operation: 16/4=4, Resulting Numbers: [93, 4] Generated Node #3: [93, 4] from Operation: 16/4=4 Current State: 97:[93, 4], Operations: ['69+24=93', '16/4=4'] Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[69, 24, 16, 4], Operations: [] Exploring Operation: 24*4=96, Resulting Numbers: [69, 16, 96] Generated Node #0,0: 97:[69, 16, 96] Operation: 24*4=96 Moving to Node #0,0 Current State: 97:[69, 16, 96], Operations: ['24*4=96'] Exploring Operation: 69+16=85, Resulting Numbers: [96, 85] Generated Node #0,0,0: 97:[96, 85] Operation: 69+16=85 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[96, 85], Operations: ['24*4=96', '69+16=85'] Exploring Operation: 96+85=181, Resulting Numbers: [181] 181,97 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
[ 68, 91, 1, 89 ]
67
[ "91-68=23", "1+89=90", "90-23=67" ]
Current State: 67:[68, 91, 1, 89], Operations: [] Exploring Operation: 91-68=23, Resulting Numbers: [1, 89, 23] Generated Node #2: [1, 89, 23] from Operation: 91-68=23 Current State: 67:[1, 89, 23], Operations: ['91-68=23'] Exploring Operation: 1+89=90, Resulting Numbers: [23, 90] Generated Node #3: [23, 90] from Operation: 1+89=90 Current State: 67:[23, 90], Operations: ['91-68=23', '1+89=90'] Exploring Operation: 90-23=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[68, 91, 1, 89], Operations: [] Exploring Operation: 68-1=67, Resulting Numbers: [91, 89, 67] Generated Node #0,0: 67:[91, 89, 67] Operation: 68-1=67 Moving to Node #0,0 Current State: 67:[91, 89, 67], Operations: ['68-1=67'] Exploring Operation: 91-89=2, Resulting Numbers: [67, 2] Generated Node #0,0,0: 67:[67, 2] Operation: 91-89=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[67, 2], Operations: ['68-1=67', '91-89=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 93, 48, 82, 60 ]
23
[ "93-48=45", "82-60=22", "45-22=23" ]
Current State: 23:[93, 48, 82, 60], Operations: [] Exploring Operation: 93-48=45, Resulting Numbers: [82, 60, 45] Generated Node #2: [82, 60, 45] from Operation: 93-48=45 Current State: 23:[82, 60, 45], Operations: ['93-48=45'] Exploring Operation: 82-60=22, Resulting Numbers: [45, 22] Generated Node #3: [45, 22] from Operation: 82-60=22 Current State: 23:[45, 22], Operations: ['93-48=45', '82-60=22'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[93, 48, 82, 60], Operations: [] Exploring Operation: 93-60=33, Resulting Numbers: [48, 82, 33] Generated Node #0,0: 23:[48, 82, 33] Operation: 93-60=33 Exploring Operation: 93-82=11, Resulting Numbers: [48, 60, 11] Generated Node #0,1: 23:[48, 60, 11] Operation: 93-82=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[48, 60, 11], Operations: ['93-82=11'] Exploring Operation: 48-11=37, Resulting Numbers: [60, 37] Generated Node #0,1,0: 23:[60, 37] Operation: 48-11=37 Exploring Operation: 60-48=12, Resulting Numbers: [11, 12] Generated Node #0,1,1: 23:[11, 12] Operation: 60-48=12 Moving to Node #0,1,1 Current State: 23:[11, 12], Operations: ['93-82=11', '60-48=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[93, 48, 82, 60], Operations: [] Exploring Operation: 93-82=11, Resulting Numbers: [48, 60, 11] Generated Node #0,1: 23:[48, 60, 11] Operation: 93-82=11 Moving to Node #0,1 Current State: 23:[48, 60, 11], Operations: ['93-82=11'] Exploring Operation: 60-48=12, Resulting Numbers: [11, 12] Generated Node #0,1,1: 23:[11, 12] Operation: 60-48=12 Moving to Node #0,1,1 Current State: 23:[11, 12], Operations: ['93-82=11', '60-48=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 84, 48, 42, 26 ]
76
[ "84/42=2", "48+26=74", "2+74=76" ]
Current State: 76:[84, 48, 42, 26], Operations: [] Exploring Operation: 84/42=2, Resulting Numbers: [48, 26, 2] Generated Node #2: [48, 26, 2] from Operation: 84/42=2 Current State: 76:[48, 26, 2], Operations: ['84/42=2'] Exploring Operation: 48+26=74, Resulting Numbers: [2, 74] Generated Node #3: [2, 74] from Operation: 48+26=74 Current State: 76:[2, 74], Operations: ['84/42=2', '48+26=74'] Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[84, 48, 42, 26], Operations: [] Exploring Operation: 84-48=36, Resulting Numbers: [42, 26, 36] Generated Node #0,0: 76:[42, 26, 36] Operation: 84-48=36 Exploring Operation: 48-26=22, Resulting Numbers: [84, 42, 22] Generated Node #0,1: 76:[84, 42, 22] Operation: 48-26=22 Exploring Operation: 48+26=74, Resulting Numbers: [84, 42, 74] Generated Node #0,2: 76:[84, 42, 74] Operation: 48+26=74 Moving to Node #0,0 Current State: 76:[42, 26, 36], Operations: ['84-48=36'] Exploring Operation: 42-26=16, Resulting Numbers: [36, 16] Generated Node #0,0,0: 76:[36, 16] Operation: 42-26=16 Exploring Operation: 42+36=78, Resulting Numbers: [26, 78] Generated Node #0,0,1: 76:[26, 78] Operation: 42+36=78 Exploring Operation: 42-36=6, Resulting Numbers: [26, 6] Generated Node #0,0,2: 76:[26, 6] Operation: 42-36=6 Moving to Node #0,2 Current State: 76:[84, 42, 74], Operations: ['48+26=74'] Exploring Operation: 84-42=42, Resulting Numbers: [74, 42] Generated Node #0,2,0: 76:[74, 42] Operation: 84-42=42 Exploring Operation: 84-74=10, Resulting Numbers: [42, 10] Generated Node #0,2,1: 76:[42, 10] Operation: 84-74=10 Exploring Operation: 84/42=2, Resulting Numbers: [74, 2] Generated Node #0,2,2: 76:[74, 2] Operation: 84/42=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 76:[74, 2], Operations: ['48+26=74', '84/42=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[84, 48, 42, 26], Operations: [] Exploring Operation: 48+26=74, Resulting Numbers: [84, 42, 74] Generated Node #0,2: 76:[84, 42, 74] Operation: 48+26=74 Moving to Node #0,2 Current State: 76:[84, 42, 74], Operations: ['48+26=74'] Exploring Operation: 84/42=2, Resulting Numbers: [74, 2] Generated Node #0,2,2: 76:[74, 2] Operation: 84/42=2 Moving to Node #0,2,2 Current State: 76:[74, 2], Operations: ['48+26=74', '84/42=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 19, 74, 42, 32 ]
62
[ "19*74=1406", "42*32=1344", "1406-1344=62" ]
Current State: 62:[19, 74, 42, 32], Operations: [] Exploring Operation: 19*74=1406, Resulting Numbers: [42, 32, 1406] Generated Node #2: [42, 32, 1406] from Operation: 19*74=1406 Current State: 62:[42, 32, 1406], Operations: ['19*74=1406'] Exploring Operation: 42*32=1344, Resulting Numbers: [1406, 1344] Generated Node #3: [1406, 1344] from Operation: 42*32=1344 Current State: 62:[1406, 1344], Operations: ['19*74=1406', '42*32=1344'] Exploring Operation: 1406-1344=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[19, 74, 42, 32], Operations: [] Exploring Operation: 74-19=55, Resulting Numbers: [42, 32, 55] Generated Node #0,0: 62:[42, 32, 55] Operation: 74-19=55 Exploring Operation: 19+42=61, Resulting Numbers: [74, 32, 61] Generated Node #0,1: 62:[74, 32, 61] Operation: 19+42=61 Exploring Operation: 74-42=32, Resulting Numbers: [19, 32, 32] Generated Node #0,2: 62:[19, 32, 32] Operation: 74-42=32 Exploring Operation: 42-19=23, Resulting Numbers: [74, 32, 23] Generated Node #0,3: 62:[74, 32, 23] Operation: 42-19=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[74, 32, 61], Operations: ['19+42=61'] Exploring Operation: 74-61=13, Resulting Numbers: [32, 13] Generated Node #0,1,0: 62:[32, 13] Operation: 74-61=13 Exploring Operation: 61-32=29, Resulting Numbers: [74, 29] Generated Node #0,1,1: 62:[74, 29] Operation: 61-32=29 Exploring Operation: 74-32=42, Resulting Numbers: [61, 42] Generated Node #0,1,2: 62:[61, 42] Operation: 74-32=42 Exploring Operation: 32+61=93, Resulting Numbers: [74, 93] Generated Node #0,1,3: 62:[74, 93] Operation: 32+61=93 Moving to Node #0,1,0 Current State: 62:[32, 13], Operations: ['19+42=61', '74-61=13'] Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,62 unequal: No Solution Exploring Operation: 32*13=416, Resulting Numbers: [416] 416,62 unequal: No Solution Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[61, 42], Operations: ['19+42=61', '74-32=42'] Exploring Operation: 61*42=2562, Resulting Numbers: [2562] 2562,62 unequal: No Solution Exploring Operation: 61-42=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 61+42=103, Resulting Numbers: [103] 103,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[74, 29], Operations: ['19+42=61', '61-32=29'] Exploring Operation: 74*29=2146, Resulting Numbers: [2146] 2146,62 unequal: No Solution Exploring Operation: 74-29=45, Resulting Numbers: [45] 45,62 unequal: No Solution Exploring Operation: 74+29=103, Resulting Numbers: [103] 103,62 unequal: No Solution Moving to Node #0,1,3 Current State: 62:[74, 93], Operations: ['19+42=61', '32+61=93'] Exploring Operation: 74*93=6882, Resulting Numbers: [6882] 6882,62 unequal: No Solution Exploring Operation: 74+93=167, Resulting Numbers: [167] 167,62 unequal: No Solution Exploring Operation: 93-74=19, Resulting Numbers: [19] 19,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[19, 32, 32], Operations: ['74-42=32'] Exploring Operation: 19+32=51, Resulting Numbers: [32, 51] Generated Node #0,2,0: 62:[32, 51] Operation: 19+32=51 Exploring Operation: 32-19=13, Resulting Numbers: [32, 13] Generated Node #0,2,1: 62:[32, 13] Operation: 32-19=13 Exploring Operation: 32-19=13, Resulting Numbers: [32, 13] Generated Node #0,2,2: 62:[32, 13] Operation: 32-19=13 Exploring Operation: 19+32=51, Resulting Numbers: [32, 51] Generated Node #0,2,3: 62:[32, 51] Operation: 19+32=51 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 62:[32, 51], Operations: ['74-42=32', '19+32=51'] Exploring Operation: 32+51=83, Resulting Numbers: [83] 83,62 unequal: No Solution Exploring Operation: 32*51=1632, Resulting Numbers: [1632] 1632,62 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,62 unequal: No Solution No 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: 62:[32, 13], Operations: ['74-42=32', '32-19=13'] Exploring Operation: 32*13=416, Resulting Numbers: [416] 416,62 unequal: No Solution Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,62 unequal: No Solution No 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: 62:[32, 13], Operations: ['74-42=32', '32-19=13'] Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 32*13=416, Resulting Numbers: [416] 416,62 unequal: No Solution Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,62 unequal: No Solution No 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: 62:[32, 51], Operations: ['74-42=32', '19+32=51'] Exploring Operation: 32*51=1632, Resulting Numbers: [1632] 1632,62 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 32+51=83, Resulting Numbers: [83] 83,62 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: 62:[42, 32, 55], Operations: ['74-19=55'] Exploring Operation: 55-32=23, Resulting Numbers: [42, 23] Generated Node #0,0,0: 62:[42, 23] Operation: 55-32=23 Exploring Operation: 42-32=10, Resulting Numbers: [55, 10] Generated Node #0,0,1: 62:[55, 10] Operation: 42-32=10 Exploring Operation: 42+32=74, Resulting Numbers: [55, 74] Generated Node #0,0,2: 62:[55, 74] Operation: 42+32=74 Exploring Operation: 55-42=13, Resulting Numbers: [32, 13] Generated Node #0,0,3: 62:[32, 13] Operation: 55-42=13 Moving to Node #0,0,3 Current State: 62:[32, 13], Operations: ['74-19=55', '55-42=13'] Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,62 unequal: No Solution Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 32*13=416, Resulting Numbers: [416] 416,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[55, 10], Operations: ['74-19=55', '42-32=10'] Exploring Operation: 55+10=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,62 unequal: No Solution Exploring Operation: 55*10=550, Resulting Numbers: [550] 550,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[55, 74], Operations: ['74-19=55', '42+32=74'] Exploring Operation: 55*74=4070, Resulting Numbers: [4070] 4070,62 unequal: No Solution Exploring Operation: 74-55=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 55+74=129, Resulting Numbers: [129] 129,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[42, 23], Operations: ['74-19=55', '55-32=23'] Exploring Operation: 42*23=966, Resulting Numbers: [966] 966,62 unequal: No Solution Exploring Operation: 42+23=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 62:[74, 32, 23], Operations: ['42-19=23'] Exploring Operation: 74-23=51, Resulting Numbers: [32, 51] Generated Node #0,3,0: 62:[32, 51] Operation: 74-23=51 Exploring Operation: 32-23=9, Resulting Numbers: [74, 9] Generated Node #0,3,1: 62:[74, 9] Operation: 32-23=9 Exploring Operation: 32+23=55, Resulting Numbers: [74, 55] Generated Node #0,3,2: 62:[74, 55] Operation: 32+23=55 Exploring Operation: 74-32=42, Resulting Numbers: [23, 42] Generated Node #0,3,3: 62:[23, 42] Operation: 74-32=42 Moving to Node #0,3,0 Current State: 62:[32, 51], Operations: ['42-19=23', '74-23=51'] Exploring Operation: 32*51=1632, Resulting Numbers: [1632] 1632,62 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 32+51=83, Resulting Numbers: [83] 83,62 unequal: No Solution Moving to Node #0,3,2 Current State: 62:[74, 55], Operations: ['42-19=23', '32+23=55'] Exploring Operation: 74+55=129, Resulting Numbers: [129] 129,62 unequal: No Solution Exploring Operation: 74-55=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 74*55=4070, Resulting Numbers: [4070] 4070,62 unequal: No Solution Moving to Node #0,3,1 Current State: 62:[74, 9], Operations: ['42-19=23', '32-23=9'] Exploring Operation: 74+9=83, Resulting Numbers: [83] 83,62 unequal: No Solution Exploring Operation: 74*9=666, Resulting Numbers: [666] 666,62 unequal: No Solution Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,62 unequal: No Solution Moving to Node #0,3,3 Current State: 62:[23, 42], Operations: ['42-19=23', '74-32=42'] Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 23*42=966, Resulting Numbers: [966] 966,62 unequal: No Solution Exploring Operation: 23+42=65, Resulting Numbers: [65] 65,62 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
[ 9, 54, 84, 15 ]
43
[ "84+15=99", "99/9=11", "54-11=43" ]
Current State: 43:[9, 54, 84, 15], Operations: [] Exploring Operation: 84+15=99, Resulting Numbers: [9, 54, 99] Generated Node #2: [9, 54, 99] from Operation: 84+15=99 Current State: 43:[9, 54, 99], Operations: ['84+15=99'] Exploring Operation: 99/9=11, Resulting Numbers: [54, 11] Generated Node #3: [54, 11] from Operation: 99/9=11 Current State: 43:[54, 11], Operations: ['84+15=99', '99/9=11'] Exploring Operation: 54-11=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[9, 54, 84, 15], Operations: [] Exploring Operation: 9+15=24, Resulting Numbers: [54, 84, 24] Generated Node #0,0: 43:[54, 84, 24] Operation: 9+15=24 Exploring Operation: 54-9=45, Resulting Numbers: [84, 15, 45] Generated Node #0,1: 43:[84, 15, 45] Operation: 54-9=45 Exploring Operation: 84-9=75, Resulting Numbers: [54, 15, 75] Generated Node #0,2: 43:[54, 15, 75] Operation: 84-9=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[54, 84, 24], Operations: ['9+15=24'] Exploring Operation: 84-24=60, Resulting Numbers: [54, 60] Generated Node #0,0,0: 43:[54, 60] Operation: 84-24=60 Exploring Operation: 84-54=30, Resulting Numbers: [24, 30] Generated Node #0,0,1: 43:[24, 30] Operation: 84-54=30 Exploring Operation: 54-24=30, Resulting Numbers: [84, 30] Generated Node #0,0,2: 43:[84, 30] Operation: 54-24=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[54, 60], Operations: ['9+15=24', '84-24=60'] Exploring Operation: 54+60=114, Resulting Numbers: [114] 114,43 unequal: No Solution Exploring Operation: 60-54=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 54*60=3240, Resulting Numbers: [3240] 3240,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[24, 30], Operations: ['9+15=24', '84-54=30'] Exploring Operation: 24*30=720, Resulting Numbers: [720] 720,43 unequal: No Solution Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,43 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[84, 30], Operations: ['9+15=24', '54-24=30'] Exploring Operation: 84*30=2520, Resulting Numbers: [2520] 2520,43 unequal: No Solution Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,43 unequal: No Solution Exploring Operation: 84+30=114, Resulting Numbers: [114] 114,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[84, 15, 45], Operations: ['54-9=45'] Exploring Operation: 45-15=30, Resulting Numbers: [84, 30] Generated Node #0,1,0: 43:[84, 30] Operation: 45-15=30 Exploring Operation: 84-15=69, Resulting Numbers: [45, 69] Generated Node #0,1,1: 43:[45, 69] Operation: 84-15=69 Exploring Operation: 84-45=39, Resulting Numbers: [15, 39] Generated Node #0,1,2: 43:[15, 39] Operation: 84-45=39 Moving to Node #0,1,1 Current State: 43:[45, 69], Operations: ['54-9=45', '84-15=69'] Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,43 unequal: No Solution Exploring Operation: 45*69=3105, Resulting Numbers: [3105] 3105,43 unequal: No Solution Exploring Operation: 45+69=114, Resulting Numbers: [114] 114,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[15, 39], Operations: ['54-9=45', '84-45=39'] Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,43 unequal: No Solution Exploring Operation: 15+39=54, Resulting Numbers: [54] 54,43 unequal: No Solution Exploring Operation: 15*39=585, Resulting Numbers: [585] 585,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[84, 30], Operations: ['54-9=45', '45-15=30'] Exploring Operation: 84*30=2520, Resulting Numbers: [2520] 2520,43 unequal: No Solution Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,43 unequal: No Solution Exploring Operation: 84+30=114, Resulting Numbers: [114] 114,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[54, 15, 75], Operations: ['84-9=75'] Exploring Operation: 75/15=5, Resulting Numbers: [54, 5] Generated Node #0,2,0: 43:[54, 5] Operation: 75/15=5 Exploring Operation: 75-15=60, Resulting Numbers: [54, 60] Generated Node #0,2,1: 43:[54, 60] Operation: 75-15=60 Exploring Operation: 54-15=39, Resulting Numbers: [75, 39] Generated Node #0,2,2: 43:[75, 39] Operation: 54-15=39 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[54, 60], Operations: ['84-9=75', '75-15=60'] Exploring Operation: 54*60=3240, Resulting Numbers: [3240] 3240,43 unequal: No Solution Exploring Operation: 60-54=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 54+60=114, Resulting Numbers: [114] 114,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[75, 39], Operations: ['84-9=75', '54-15=39'] Exploring Operation: 75-39=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 75*39=2925, Resulting Numbers: [2925] 2925,43 unequal: No Solution Exploring Operation: 75+39=114, Resulting Numbers: [114] 114,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[54, 5], Operations: ['84-9=75', '75/15=5'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,43 unequal: No Solution Exploring Operation: 54+5=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 54*5=270, Resulting Numbers: [270] 270,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 12, 55, 20, 75 ]
52
[ "55-12=43", "20+75=95", "95-43=52" ]
Current State: 52:[12, 55, 20, 75], Operations: [] Exploring Operation: 55-12=43, Resulting Numbers: [20, 75, 43] Generated Node #2: [20, 75, 43] from Operation: 55-12=43 Current State: 52:[20, 75, 43], Operations: ['55-12=43'] Exploring Operation: 20+75=95, Resulting Numbers: [43, 95] Generated Node #3: [43, 95] from Operation: 20+75=95 Current State: 52:[43, 95], Operations: ['55-12=43', '20+75=95'] Exploring Operation: 95-43=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[12, 55, 20, 75], Operations: [] Exploring Operation: 20-12=8, Resulting Numbers: [55, 75, 8] Generated Node #0,0: 52:[55, 75, 8] Operation: 20-12=8 Exploring Operation: 75-12=63, Resulting Numbers: [55, 20, 63] Generated Node #0,1: 52:[55, 20, 63] Operation: 75-12=63 Exploring Operation: 75-20=55, Resulting Numbers: [12, 55, 55] Generated Node #0,2: 52:[12, 55, 55] Operation: 75-20=55 Exploring Operation: 12+20=32, Resulting Numbers: [55, 75, 32] Generated Node #0,3: 52:[55, 75, 32] Operation: 12+20=32 Exploring Operation: 75-55=20, Resulting Numbers: [12, 20, 20] Generated Node #0,4: 52:[12, 20, 20] Operation: 75-55=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[12, 55, 55], Operations: ['75-20=55'] Exploring Operation: 55-12=43, Resulting Numbers: [55, 43] Generated Node #0,2,0: 52:[55, 43] Operation: 55-12=43 Exploring Operation: 55/55=1, Resulting Numbers: [12, 1] Generated Node #0,2,1: 52:[12, 1] Operation: 55/55=1 Exploring Operation: 55-55=0, Resulting Numbers: [12, 0] Generated Node #0,2,2: 52:[12, 0] Operation: 55-55=0 Exploring Operation: 55-12=43, Resulting Numbers: [55, 43] Generated Node #0,2,3: 52:[55, 43] Operation: 55-12=43 Exploring Operation: 12+55=67, Resulting Numbers: [55, 67] Generated Node #0,2,4: 52:[55, 67] Operation: 12+55=67 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 52:[12, 1], Operations: ['75-20=55', '55/55=1'] Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,52 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 52:[12, 0], Operations: ['75-20=55', '55-55=0'] Exploring Operation: 12-0=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 12+0=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 12*0=0, Resulting Numbers: [0] 0,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 52:[55, 43], Operations: ['75-20=55', '55-12=43'] Exploring Operation: 55+43=98, Resulting Numbers: [98] 98,52 unequal: No Solution Exploring Operation: 55*43=2365, Resulting Numbers: [2365] 2365,52 unequal: No Solution Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 52:[55, 43], Operations: ['75-20=55', '55-12=43'] Exploring Operation: 55*43=2365, Resulting Numbers: [2365] 2365,52 unequal: No Solution Exploring Operation: 55+43=98, Resulting Numbers: [98] 98,52 unequal: No Solution Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 52:[55, 67], Operations: ['75-20=55', '12+55=67'] Exploring Operation: 55+67=122, Resulting Numbers: [122] 122,52 unequal: No Solution Exploring Operation: 55*67=3685, Resulting Numbers: [3685] 3685,52 unequal: No Solution Exploring Operation: 67-55=12, Resulting Numbers: [12] 12,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 52:[12, 20, 20], Operations: ['75-55=20'] Exploring Operation: 20-12=8, Resulting Numbers: [20, 8] Generated Node #0,4,0: 52:[20, 8] Operation: 20-12=8 Exploring Operation: 20-12=8, Resulting Numbers: [20, 8] Generated Node #0,4,1: 52:[20, 8] Operation: 20-12=8 Exploring Operation: 20/20=1, Resulting Numbers: [12, 1] Generated Node #0,4,2: 52:[12, 1] Operation: 20/20=1 Exploring Operation: 20-20=0, Resulting Numbers: [12, 0] Generated Node #0,4,3: 52:[12, 0] Operation: 20-20=0 Exploring Operation: 12+20=32, Resulting Numbers: [20, 32] Generated Node #0,4,4: 52:[20, 32] Operation: 12+20=32 Moving to Node #0,4,2 Current State: 52:[12, 1], Operations: ['75-55=20', '20/20=1'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,52 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,52 unequal: No Solution Moving to Node #0,4,3 Current State: 52:[12, 0], Operations: ['75-55=20', '20-20=0'] Exploring Operation: 12+0=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 12*0=0, Resulting Numbers: [0] 0,52 unequal: No Solution Exploring Operation: 12-0=12, Resulting Numbers: [12] 12,52 unequal: No Solution Moving to Node #0,4,0 Current State: 52:[20, 8], Operations: ['75-55=20', '20-12=8'] Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,52 unequal: No Solution Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,52 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,52 unequal: No Solution Moving to Node #0,4,1 Current State: 52:[20, 8], Operations: ['75-55=20', '20-12=8'] Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,52 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,52 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,52 unequal: No Solution Moving to Node #0,4,4 Current State: 52:[20, 32], Operations: ['75-55=20', '12+20=32'] Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,52 unequal: No Solution Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[12, 55, 20, 75], Operations: [] Exploring Operation: 75-55=20, Resulting Numbers: [12, 20, 20] Generated Node #0,4: 52:[12, 20, 20] Operation: 75-55=20 Moving to Node #0,4 Current State: 52:[12, 20, 20], Operations: ['75-55=20'] Exploring Operation: 12+20=32, Resulting Numbers: [20, 32] Generated Node #0,4,4: 52:[20, 32] Operation: 12+20=32 Moving to Node #0,4,4 Current State: 52:[20, 32], Operations: ['75-55=20', '12+20=32'] Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.955729
hs_5
sum_heuristic
[ 53, 24, 31, 88 ]
44
[ "53-24=29", "31-29=2", "88/2=44" ]
Current State: 44:[53, 24, 31, 88], Operations: [] Exploring Operation: 53-24=29, Resulting Numbers: [31, 88, 29] Generated Node #2: [31, 88, 29] from Operation: 53-24=29 Current State: 44:[31, 88, 29], Operations: ['53-24=29'] Exploring Operation: 31-29=2, Resulting Numbers: [88, 2] Generated Node #3: [88, 2] from Operation: 31-29=2 Current State: 44:[88, 2], Operations: ['53-24=29', '31-29=2'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[53, 24, 31, 88], Operations: [] Exploring Operation: 88-24=64, Resulting Numbers: [53, 31, 64] Generated Node #0,0: 44:[53, 31, 64] Operation: 88-24=64 Exploring Operation: 53-31=22, Resulting Numbers: [24, 88, 22] Generated Node #0,1: 44:[24, 88, 22] Operation: 53-31=22 Exploring Operation: 88-53=35, Resulting Numbers: [24, 31, 35] Generated Node #0,2: 44:[24, 31, 35] Operation: 88-53=35 Exploring Operation: 31-24=7, Resulting Numbers: [53, 88, 7] Generated Node #0,3: 44:[53, 88, 7] Operation: 31-24=7 Exploring Operation: 88-31=57, Resulting Numbers: [53, 24, 57] Generated Node #0,4: 44:[53, 24, 57] Operation: 88-31=57 Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[24, 31, 35], Operations: ['88-53=35'] Exploring Operation: 24+35=59, Resulting Numbers: [31, 59] Generated Node #0,2,0: 44:[31, 59] Operation: 24+35=59 Exploring Operation: 24+31=55, Resulting Numbers: [35, 55] Generated Node #0,2,1: 44:[35, 55] Operation: 24+31=55 Exploring Operation: 31-24=7, Resulting Numbers: [35, 7] Generated Node #0,2,2: 44:[35, 7] Operation: 31-24=7 Exploring Operation: 35-24=11, Resulting Numbers: [31, 11] Generated Node #0,2,3: 44:[31, 11] Operation: 35-24=11 Exploring Operation: 35-31=4, Resulting Numbers: [24, 4] Generated Node #0,2,4: 44:[24, 4] Operation: 35-31=4 Moving to Node #0,2,4 Current State: 44:[24, 4], Operations: ['88-53=35', '35-31=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,44 unequal: No Solution Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,44 unequal: No Solution Moving to Node #0,2,3 Current State: 44:[31, 11], Operations: ['88-53=35', '35-24=11'] Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,44 unequal: No Solution Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,44 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[35, 7], Operations: ['88-53=35', '31-24=7'] Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,44 unequal: No Solution Exploring Operation: 35+7=42, Resulting Numbers: [42] 42,44 unequal: No Solution Exploring Operation: 35*7=245, Resulting Numbers: [245] 245,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[35, 55], Operations: ['88-53=35', '24+31=55'] Exploring Operation: 35+55=90, Resulting Numbers: [90] 90,44 unequal: No Solution Exploring Operation: 35*55=1925, Resulting Numbers: [1925] 1925,44 unequal: No Solution Exploring Operation: 55-35=20, Resulting Numbers: [20] 20,44 unequal: No Solution Moving to Node #0,2,0 Current State: 44:[31, 59], Operations: ['88-53=35', '24+35=59'] Exploring Operation: 59-31=28, Resulting Numbers: [28] 28,44 unequal: No Solution Exploring Operation: 31*59=1829, Resulting Numbers: [1829] 1829,44 unequal: No Solution Exploring Operation: 31+59=90, Resulting Numbers: [90] 90,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 44:[53, 24, 57], Operations: ['88-31=57'] Exploring Operation: 57-53=4, Resulting Numbers: [24, 4] Generated Node #0,4,0: 44:[24, 4] Operation: 57-53=4 Exploring Operation: 24+57=81, Resulting Numbers: [53, 81] Generated Node #0,4,1: 44:[53, 81] Operation: 24+57=81 Exploring Operation: 53-24=29, Resulting Numbers: [57, 29] Generated Node #0,4,2: 44:[57, 29] Operation: 53-24=29 Exploring Operation: 57-24=33, Resulting Numbers: [53, 33] Generated Node #0,4,3: 44:[53, 33] Operation: 57-24=33 Exploring Operation: 53+24=77, Resulting Numbers: [57, 77] Generated Node #0,4,4: 44:[57, 77] Operation: 53+24=77 Moving to Node #0,4,0 Current State: 44:[24, 4], Operations: ['88-31=57', '57-53=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,44 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,44 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,44 unequal: No Solution Moving to Node #0,4,3 Current State: 44:[53, 33], Operations: ['88-31=57', '57-24=33'] Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,44 unequal: No Solution Exploring Operation: 53*33=1749, Resulting Numbers: [1749] 1749,44 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,44 unequal: No Solution Moving to Node #0,4,2 Current State: 44:[57, 29], Operations: ['88-31=57', '53-24=29'] Exploring Operation: 57+29=86, Resulting Numbers: [86] 86,44 unequal: No Solution Exploring Operation: 57-29=28, Resulting Numbers: [28] 28,44 unequal: No Solution Exploring Operation: 57*29=1653, Resulting Numbers: [1653] 1653,44 unequal: No Solution Moving to Node #0,4,1 Current State: 44:[53, 81], Operations: ['88-31=57', '24+57=81'] Exploring Operation: 53*81=4293, Resulting Numbers: [4293] 4293,44 unequal: No Solution Exploring Operation: 53+81=134, Resulting Numbers: [134] 134,44 unequal: No Solution Exploring Operation: 81-53=28, Resulting Numbers: [28] 28,44 unequal: No Solution Moving to Node #0,4,4 Current State: 44:[57, 77], Operations: ['88-31=57', '53+24=77'] Exploring Operation: 57+77=134, Resulting Numbers: [134] 134,44 unequal: No Solution Exploring Operation: 57*77=4389, Resulting Numbers: [4389] 4389,44 unequal: No Solution Exploring Operation: 77-57=20, Resulting Numbers: [20] 20,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[53, 31, 64], Operations: ['88-24=64'] Exploring Operation: 64-53=11, Resulting Numbers: [31, 11] Generated Node #0,0,0: 44:[31, 11] Operation: 64-53=11 Exploring Operation: 53-31=22, Resulting Numbers: [64, 22] Generated Node #0,0,1: 44:[64, 22] Operation: 53-31=22 Exploring Operation: 53+31=84, Resulting Numbers: [64, 84] Generated Node #0,0,2: 44:[64, 84] Operation: 53+31=84 Exploring Operation: 31+64=95, Resulting Numbers: [53, 95] Generated Node #0,0,3: 44:[53, 95] Operation: 31+64=95 Exploring Operation: 64-31=33, Resulting Numbers: [53, 33] Generated Node #0,0,4: 44:[53, 33] Operation: 64-31=33 Moving to Node #0,0,0 Current State: 44:[31, 11], Operations: ['88-24=64', '64-53=11'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,44 unequal: No Solution Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,44 unequal: No Solution Moving to Node #0,0,4 Current State: 44:[53, 33], Operations: ['88-24=64', '64-31=33'] Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,44 unequal: No Solution Exploring Operation: 53*33=1749, Resulting Numbers: [1749] 1749,44 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[64, 22], Operations: ['88-24=64', '53-31=22'] Exploring Operation: 64*22=1408, Resulting Numbers: [1408] 1408,44 unequal: No Solution Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,44 unequal: No Solution Exploring Operation: 64+22=86, Resulting Numbers: [86] 86,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[64, 84], Operations: ['88-24=64', '53+31=84'] Exploring Operation: 64*84=5376, Resulting Numbers: [5376] 5376,44 unequal: No Solution Exploring Operation: 64+84=148, Resulting Numbers: [148] 148,44 unequal: No Solution Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,44 unequal: No Solution Moving to Node #0,0,3 Current State: 44:[53, 95], Operations: ['88-24=64', '31+64=95'] Exploring Operation: 53+95=148, Resulting Numbers: [148] 148,44 unequal: No Solution Exploring Operation: 95-53=42, Resulting Numbers: [42] 42,44 unequal: No Solution Exploring Operation: 53*95=5035, Resulting Numbers: [5035] 5035,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[24, 88, 22], Operations: ['53-31=22'] Exploring Operation: 88/22=4, Resulting Numbers: [24, 4] Generated Node #0,1,0: 44:[24, 4] Operation: 88/22=4 Exploring Operation: 88-24=64, Resulting Numbers: [22, 64] Generated Node #0,1,1: 44:[22, 64] Operation: 88-24=64 Exploring Operation: 88-22=66, Resulting Numbers: [24, 66] Generated Node #0,1,2: 44:[24, 66] Operation: 88-22=66 Exploring Operation: 24-22=2, Resulting Numbers: [88, 2] Generated Node #0,1,3: 44:[88, 2] Operation: 24-22=2 Exploring Operation: 24+22=46, Resulting Numbers: [88, 46] Generated Node #0,1,4: 44:[88, 46] Operation: 24+22=46 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 44:[24, 4], Operations: ['53-31=22', '88/22=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,44 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 44:[22, 64], Operations: ['53-31=22', '88-24=64'] Exploring Operation: 22+64=86, Resulting Numbers: [86] 86,44 unequal: No Solution Exploring Operation: 22*64=1408, Resulting Numbers: [1408] 1408,44 unequal: No Solution Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 44:[24, 66], Operations: ['53-31=22', '88-22=66'] Exploring Operation: 24+66=90, Resulting Numbers: [90] 90,44 unequal: No Solution Exploring Operation: 24*66=1584, Resulting Numbers: [1584] 1584,44 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 44:[88, 2], Operations: ['53-31=22', '24-22=2'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[53, 24, 31, 88], Operations: [] Exploring Operation: 53-31=22, Resulting Numbers: [24, 88, 22] Generated Node #0,1: 44:[24, 88, 22] Operation: 53-31=22 Moving to Node #0,1 Current State: 44:[24, 88, 22], Operations: ['53-31=22'] Exploring Operation: 24-22=2, Resulting Numbers: [88, 2] Generated Node #0,1,3: 44:[88, 2] Operation: 24-22=2 Moving to Node #0,1,3 Current State: 44:[88, 2], Operations: ['53-31=22', '24-22=2'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.923611
hs_5
sum_heuristic
[ 43, 31, 13, 98 ]
99
[ "43-31=12", "13+98=111", "111-12=99" ]
Current State: 99:[43, 31, 13, 98], Operations: [] Exploring Operation: 43-31=12, Resulting Numbers: [13, 98, 12] Generated Node #2: [13, 98, 12] from Operation: 43-31=12 Current State: 99:[13, 98, 12], Operations: ['43-31=12'] Exploring Operation: 13+98=111, Resulting Numbers: [12, 111] Generated Node #3: [12, 111] from Operation: 13+98=111 Current State: 99:[12, 111], Operations: ['43-31=12', '13+98=111'] Exploring Operation: 111-12=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[43, 31, 13, 98], Operations: [] Exploring Operation: 43-13=30, Resulting Numbers: [31, 98, 30] Generated Node #0,0: 99:[31, 98, 30] Operation: 43-13=30 Exploring Operation: 31-13=18, Resulting Numbers: [43, 98, 18] Generated Node #0,1: 99:[43, 98, 18] Operation: 31-13=18 Exploring Operation: 43-31=12, Resulting Numbers: [13, 98, 12] Generated Node #0,2: 99:[13, 98, 12] Operation: 43-31=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[13, 98, 12], Operations: ['43-31=12'] Exploring Operation: 13+98=111, Resulting Numbers: [12, 111] Generated Node #0,2,0: 99:[12, 111] Operation: 13+98=111 Exploring Operation: 13-12=1, Resulting Numbers: [98, 1] Generated Node #0,2,1: 99:[98, 1] Operation: 13-12=1 Exploring Operation: 13+12=25, Resulting Numbers: [98, 25] Generated Node #0,2,2: 99:[98, 25] Operation: 13+12=25 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 99:[98, 1], Operations: ['43-31=12', '13-12=1'] Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,99 unequal: No Solution Exploring Operation: 98*1=98, Resulting Numbers: [98] 98,99 unequal: No Solution Exploring Operation: 98+1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[43, 31, 13, 98], Operations: [] Exploring Operation: 43-31=12, Resulting Numbers: [13, 98, 12] Generated Node #0,2: 99:[13, 98, 12] Operation: 43-31=12 Moving to Node #0,2 Current State: 99:[13, 98, 12], Operations: ['43-31=12'] Exploring Operation: 13-12=1, Resulting Numbers: [98, 1] Generated Node #0,2,1: 99:[98, 1] Operation: 13-12=1 Moving to Node #0,2,1 Current State: 99:[98, 1], Operations: ['43-31=12', '13-12=1'] Exploring Operation: 98+1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 38, 24, 3, 4 ]
44
[ "38-24=14", "14-3=11", "4*11=44" ]
Current State: 44:[38, 24, 3, 4], Operations: [] Exploring Operation: 38-24=14, Resulting Numbers: [3, 4, 14] Generated Node #2: [3, 4, 14] from Operation: 38-24=14 Current State: 44:[3, 4, 14], Operations: ['38-24=14'] Exploring Operation: 14-3=11, Resulting Numbers: [4, 11] Generated Node #3: [4, 11] from Operation: 14-3=11 Current State: 44:[4, 11], Operations: ['38-24=14', '14-3=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[38, 24, 3, 4], Operations: [] Exploring Operation: 24/3=8, Resulting Numbers: [38, 4, 8] Generated Node #0,0: 44:[38, 4, 8] Operation: 24/3=8 Exploring Operation: 38+3=41, Resulting Numbers: [24, 4, 41] Generated Node #0,1: 44:[24, 4, 41] Operation: 38+3=41 Exploring Operation: 38+4=42, Resulting Numbers: [24, 3, 42] Generated Node #0,2: 44:[24, 3, 42] Operation: 38+4=42 Exploring Operation: 38-24=14, Resulting Numbers: [3, 4, 14] Generated Node #0,3: 44:[3, 4, 14] Operation: 38-24=14 Exploring Operation: 24-3=21, Resulting Numbers: [38, 4, 21] Generated Node #0,4: 44:[38, 4, 21] Operation: 24-3=21 Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[3, 4, 14], Operations: ['38-24=14'] Exploring Operation: 4-3=1, Resulting Numbers: [14, 1] Generated Node #0,3,0: 44:[14, 1] Operation: 4-3=1 Exploring Operation: 14-3=11, Resulting Numbers: [4, 11] Generated Node #0,3,1: 44:[4, 11] Operation: 14-3=11 Exploring Operation: 3*14=42, Resulting Numbers: [4, 42] Generated Node #0,3,2: 44:[4, 42] Operation: 3*14=42 Exploring Operation: 3*4=12, Resulting Numbers: [14, 12] Generated Node #0,3,3: 44:[14, 12] Operation: 3*4=12 Exploring Operation: 14-4=10, Resulting Numbers: [3, 10] Generated Node #0,3,4: 44:[3, 10] Operation: 14-4=10 Moving to Node #0,3,1 Current State: 44:[4, 11], Operations: ['38-24=14', '14-3=11'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,44 unequal: No Solution Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[38, 24, 3, 4], Operations: [] Exploring Operation: 38-24=14, Resulting Numbers: [3, 4, 14] Generated Node #0,3: 44:[3, 4, 14] Operation: 38-24=14 Moving to Node #0,3 Current State: 44:[3, 4, 14], Operations: ['38-24=14'] Exploring Operation: 14-3=11, Resulting Numbers: [4, 11] Generated Node #0,3,1: 44:[4, 11] Operation: 14-3=11 Moving to Node #0,3,1 Current State: 44:[4, 11], Operations: ['38-24=14', '14-3=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 10, 2, 2, 30 ]
74
[ "2+30=32", "2*32=64", "10+64=74" ]
Current State: 74:[10, 2, 2, 30], Operations: [] Exploring Operation: 2+30=32, Resulting Numbers: [10, 32] Generated Node #2: [10, 32] from Operation: 2+30=32 Current State: 74:[10, 32], Operations: ['2+30=32'] Exploring Operation: 2*32=64, Resulting Numbers: [10, 64] Generated Node #3: [10, 64] from Operation: 2*32=64 Current State: 74:[10, 64], Operations: ['2+30=32', '2*32=64'] Exploring Operation: 10+64=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[10, 2, 2, 30], Operations: [] Exploring Operation: 10+30=40, Resulting Numbers: [2, 2, 40] Generated Node #0,0: 74:[2, 2, 40] Operation: 10+30=40 Exploring Operation: 10/2=5, Resulting Numbers: [2, 30, 5] Generated Node #0,1: 74:[2, 30, 5] Operation: 10/2=5 Exploring Operation: 30/10=3, Resulting Numbers: [2, 2, 3] Generated Node #0,2: 74:[2, 2, 3] Operation: 30/10=3 Exploring Operation: 10-2=8, Resulting Numbers: [2, 30, 8] Generated Node #0,3: 74:[2, 30, 8] Operation: 10-2=8 Exploring Operation: 10/2=5, Resulting Numbers: [2, 30, 5] Generated Node #0,4: 74:[2, 30, 5] Operation: 10/2=5 Moving to Node #0,2 Current State: 74:[2, 2, 3], Operations: ['30/10=3'] Exploring Operation: 3-2=1, Resulting Numbers: [2, 1] Generated Node #0,2,0: 74:[2, 1] Operation: 3-2=1 Exploring Operation: 3-2=1, Resulting Numbers: [2, 1] Generated Node #0,2,1: 74:[2, 1] Operation: 3-2=1 Exploring Operation: 2/2=1, Resulting Numbers: [3, 1] Generated Node #0,2,2: 74:[3, 1] Operation: 2/2=1 Exploring Operation: 2*2=4, Resulting Numbers: [3, 4] Generated Node #0,2,3: 74:[3, 4] Operation: 2*2=4 Exploring Operation: 2+2=4, Resulting Numbers: [3, 4] Generated Node #0,2,4: 74:[3, 4] Operation: 2+2=4 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 74:[2, 1], Operations: ['30/10=3', '3-2=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,74 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,74 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 #0,2,1 Current State: 74:[2, 1], Operations: ['30/10=3', '3-2=1'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,74 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,74 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:[3, 1], Operations: ['30/10=3', '2/2=1'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,74 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,74 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 #0,2,3 Current State: 74:[3, 4], Operations: ['30/10=3', '2*2=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,74 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,74 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 #0,2,4 Current State: 74:[3, 4], Operations: ['30/10=3', '2+2=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,74 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,74 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: 74:[2, 2, 40], Operations: ['10+30=40'] Exploring Operation: 40-2=38, Resulting Numbers: [2, 38] Generated Node #0,0,0: 74:[2, 38] Operation: 40-2=38 Exploring Operation: 2*2=4, Resulting Numbers: [40, 4] Generated Node #0,0,1: 74:[40, 4] Operation: 2*2=4 Exploring Operation: 2/2=1, Resulting Numbers: [40, 1] Generated Node #0,0,2: 74:[40, 1] Operation: 2/2=1 Exploring Operation: 2+2=4, Resulting Numbers: [40, 4] Generated Node #0,0,3: 74:[40, 4] Operation: 2+2=4 Exploring Operation: 40-2=38, Resulting Numbers: [2, 38] Generated Node #0,0,4: 74:[2, 38] Operation: 40-2=38 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[2, 38], Operations: ['10+30=40', '40-2=38'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,74 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,74 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 #0,0,4 Current State: 74:[2, 38], Operations: ['10+30=40', '40-2=38'] Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,74 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,74 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:[40, 1], Operations: ['10+30=40', '2/2=1'] Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 40*1=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 40+1=41, Resulting Numbers: [41] 41,74 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:[40, 4], Operations: ['10+30=40', '2*2=4'] Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,74 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,74 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,74 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 #0,0,3 Current State: 74:[40, 4], Operations: ['10+30=40', '2+2=4'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,74 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,74 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,74 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: 74:[2, 30, 5], Operations: ['10/2=5'] Exploring Operation: 30-2=28, Resulting Numbers: [5, 28] Generated Node #0,1,0: 74:[5, 28] Operation: 30-2=28 Exploring Operation: 5-2=3, Resulting Numbers: [30, 3] Generated Node #0,1,1: 74:[30, 3] Operation: 5-2=3 Exploring Operation: 30/5=6, Resulting Numbers: [2, 6] Generated Node #0,1,2: 74:[2, 6] Operation: 30/5=6 Exploring Operation: 2+30=32, Resulting Numbers: [5, 32] Generated Node #0,1,3: 74:[5, 32] Operation: 2+30=32 Exploring Operation: 30+5=35, Resulting Numbers: [2, 35] Generated Node #0,1,4: 74:[2, 35] Operation: 30+5=35 Moving to Node #0,4 Current State: 74:[2, 30, 5], Operations: ['10/2=5'] Exploring Operation: 2+30=32, Resulting Numbers: [5, 32] Generated Node #0,4,0: 74:[5, 32] Operation: 2+30=32 Exploring Operation: 30+5=35, Resulting Numbers: [2, 35] Generated Node #0,4,1: 74:[2, 35] Operation: 30+5=35 Exploring Operation: 5-2=3, Resulting Numbers: [30, 3] Generated Node #0,4,2: 74:[30, 3] Operation: 5-2=3 Exploring Operation: 30-2=28, Resulting Numbers: [5, 28] Generated Node #0,4,3: 74:[5, 28] Operation: 30-2=28 Exploring Operation: 30/5=6, Resulting Numbers: [2, 6] Generated Node #0,4,4: 74:[2, 6] Operation: 30/5=6 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 74:[2, 35], Operations: ['10/2=5', '30+5=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,74 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,74 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 #0,4,4 Current State: 74:[2, 6], Operations: ['10/2=5', '30/5=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,74 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,74 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,74 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 #0,4,0 Current State: 74:[5, 32], Operations: ['10/2=5', '2+30=32'] Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,74 unequal: No Solution Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,74 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 #0,4,2 Current State: 74:[30, 3], Operations: ['10/2=5', '5-2=3'] Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,74 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,74 unequal: No Solution Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,74 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 #0,4,3 Current State: 74:[5, 28], Operations: ['10/2=5', '30-2=28'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 5*28=140, Resulting Numbers: [140] 140,74 unequal: No Solution Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,74 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: 74:[2, 30, 8], Operations: ['10-2=8'] Exploring Operation: 2+30=32, Resulting Numbers: [8, 32] Generated Node #0,3,0: 74:[8, 32] Operation: 2+30=32 Exploring Operation: 8-2=6, Resulting Numbers: [30, 6] Generated Node #0,3,1: 74:[30, 6] Operation: 8-2=6 Exploring Operation: 30+8=38, Resulting Numbers: [2, 38] Generated Node #0,3,2: 74:[2, 38] Operation: 30+8=38 Exploring Operation: 30-2=28, Resulting Numbers: [8, 28] Generated Node #0,3,3: 74:[8, 28] Operation: 30-2=28 Exploring Operation: 8/2=4, Resulting Numbers: [30, 4] Generated Node #0,3,4: 74:[30, 4] Operation: 8/2=4 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 74:[2, 38], Operations: ['10-2=8', '30+8=38'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,74 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,74 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,74 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 #0,3,4 Current State: 74:[30, 4], Operations: ['10-2=8', '8/2=4'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,74 unequal: No Solution Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,74 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 #0,3,0 Current State: 74:[8, 32], Operations: ['10-2=8', '2+30=32'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 8*32=256, Resulting Numbers: [256] 256,74 unequal: No Solution Exploring Operation: 8+32=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,74 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 #0,3,1 Current State: 74:[30, 6], Operations: ['10-2=8', '8-2=6'] Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,74 unequal: No Solution Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 30*6=180, Resulting Numbers: [180] 180,74 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 #0,3,3 Current State: 74:[8, 28], Operations: ['10-2=8', '30-2=28'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,74 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,74 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,4 Current State: 74:[2, 35], Operations: ['10/2=5', '30+5=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,74 unequal: No Solution Moving to Node #0,1,2 Current State: 74:[2, 6], Operations: ['10/2=5', '30/5=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,74 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,74 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,74 unequal: No Solution Moving to Node #0,1,1 Current State: 74:[30, 3], Operations: ['10/2=5', '5-2=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,74 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,74 unequal: No Solution Moving to Node #0,1,3 Current State: 74:[5, 32], Operations: ['10/2=5', '2+30=32'] Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,74 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,74 unequal: No Solution Moving to Node #0,1,0 Current State: 74:[5, 28], Operations: ['10/2=5', '30-2=28'] Exploring Operation: 5*28=140, Resulting Numbers: [140] 140,74 unequal: No Solution Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,74 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 28, 6, 19, 25 ]
21
[ "28-25=3", "6/3=2", "19+2=21" ]
Current State: 21:[28, 6, 19, 25], Operations: [] Exploring Operation: 28-25=3, Resulting Numbers: [6, 19, 3] Generated Node #2: [6, 19, 3] from Operation: 28-25=3 Current State: 21:[6, 19, 3], Operations: ['28-25=3'] Exploring Operation: 6/3=2, Resulting Numbers: [19, 2] Generated Node #3: [19, 2] from Operation: 6/3=2 Current State: 21:[19, 2], Operations: ['28-25=3', '6/3=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[28, 6, 19, 25], Operations: [] Exploring Operation: 28-25=3, Resulting Numbers: [6, 19, 3] Generated Node #0,0: 21:[6, 19, 3] Operation: 28-25=3 Exploring Operation: 28-19=9, Resulting Numbers: [6, 25, 9] Generated Node #0,1: 21:[6, 25, 9] Operation: 28-19=9 Exploring Operation: 28-6=22, Resulting Numbers: [19, 25, 22] Generated Node #0,2: 21:[19, 25, 22] Operation: 28-6=22 Moving to Node #0,0 Current State: 21:[6, 19, 3], Operations: ['28-25=3'] Exploring Operation: 19+3=22, Resulting Numbers: [6, 22] Generated Node #0,0,0: 21:[6, 22] Operation: 19+3=22 Exploring Operation: 6/3=2, Resulting Numbers: [19, 2] Generated Node #0,0,1: 21:[19, 2] Operation: 6/3=2 Exploring Operation: 6-3=3, Resulting Numbers: [19, 3] Generated Node #0,0,2: 21:[19, 3] Operation: 6-3=3 Moving to Node #0,1 Current State: 21:[6, 25, 9], Operations: ['28-19=9'] Exploring Operation: 25-6=19, Resulting Numbers: [9, 19] Generated Node #0,1,0: 21:[9, 19] Operation: 25-6=19 Exploring Operation: 25-9=16, Resulting Numbers: [6, 16] Generated Node #0,1,1: 21:[6, 16] Operation: 25-9=16 Exploring Operation: 9-6=3, Resulting Numbers: [25, 3] Generated Node #0,1,2: 21:[25, 3] Operation: 9-6=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[9, 19], Operations: ['28-19=9', '25-6=19'] Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,21 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 21:[25, 3], Operations: ['28-19=9', '9-6=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,21 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,21 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 21:[6, 16], Operations: ['28-19=9', '25-9=16'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,21 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,21 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: 21:[19, 25, 22], Operations: ['28-6=22'] Exploring Operation: 22-19=3, Resulting Numbers: [25, 3] Generated Node #0,2,0: 21:[25, 3] Operation: 22-19=3 Exploring Operation: 25-19=6, Resulting Numbers: [22, 6] Generated Node #0,2,1: 21:[22, 6] Operation: 25-19=6 Exploring Operation: 25-22=3, Resulting Numbers: [19, 3] Generated Node #0,2,2: 21:[19, 3] Operation: 25-22=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 21:[22, 6], Operations: ['28-6=22', '25-19=6'] Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,21 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,21 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 21:[19, 3], Operations: ['28-6=22', '25-22=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,21 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,21 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 21:[25, 3], Operations: ['28-6=22', '22-19=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,21 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,21 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,21 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: 21:[6, 22], Operations: ['28-25=3', '19+3=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,21 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,21 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[19, 3], Operations: ['28-25=3', '6-3=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,21 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,21 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[19, 2], Operations: ['28-25=3', '6/3=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[28, 6, 19, 25], Operations: [] Exploring Operation: 28-25=3, Resulting Numbers: [6, 19, 3] Generated Node #0,0: 21:[6, 19, 3] Operation: 28-25=3 Moving to Node #0,0 Current State: 21:[6, 19, 3], Operations: ['28-25=3'] Exploring Operation: 6/3=2, Resulting Numbers: [19, 2] Generated Node #0,0,1: 21:[19, 2] Operation: 6/3=2 Moving to Node #0,0,1 Current State: 21:[19, 2], Operations: ['28-25=3', '6/3=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.96441
hs_3
mult_heuristic
[ 52, 53, 3, 33 ]
69
[ "52+53=105", "3+33=36", "105-36=69" ]
Current State: 69:[52, 53, 3, 33], Operations: [] Exploring Operation: 52+53=105, Resulting Numbers: [3, 33, 105] Generated Node #2: [3, 33, 105] from Operation: 52+53=105 Current State: 69:[3, 33, 105], Operations: ['52+53=105'] Exploring Operation: 3+33=36, Resulting Numbers: [105, 36] Generated Node #3: [105, 36] from Operation: 3+33=36 Current State: 69:[105, 36], Operations: ['52+53=105', '3+33=36'] Exploring Operation: 105-36=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[52, 53, 3, 33], Operations: [] Exploring Operation: 52+33=85, Resulting Numbers: [53, 3, 85] Generated Node #0,0: 69:[53, 3, 85] Operation: 52+33=85 Exploring Operation: 52-33=19, Resulting Numbers: [53, 3, 19] Generated Node #0,1: 69:[53, 3, 19] Operation: 52-33=19 Exploring Operation: 53-52=1, Resulting Numbers: [3, 33, 1] Generated Node #0,2: 69:[3, 33, 1] Operation: 53-52=1 Exploring Operation: 53-33=20, Resulting Numbers: [52, 3, 20] Generated Node #0,3: 69:[52, 3, 20] Operation: 53-33=20 Moving to Node #0,2 Current State: 69:[3, 33, 1], Operations: ['53-52=1'] Exploring Operation: 33-1=32, Resulting Numbers: [3, 32] Generated Node #0,2,0: 69:[3, 32] Operation: 33-1=32 Exploring Operation: 3*1=3, Resulting Numbers: [33, 3] Generated Node #0,2,1: 69:[33, 3] Operation: 3*1=3 Exploring Operation: 33/3=11, Resulting Numbers: [1, 11] Generated Node #0,2,2: 69:[1, 11] Operation: 33/3=11 Exploring Operation: 33-3=30, Resulting Numbers: [1, 30] Generated Node #0,2,3: 69:[1, 30] Operation: 33-3=30 Moving to Node #0,3 Current State: 69:[52, 3, 20], Operations: ['53-33=20'] Exploring Operation: 52+20=72, Resulting Numbers: [3, 72] Generated Node #0,3,0: 69:[3, 72] Operation: 52+20=72 Exploring Operation: 3+20=23, Resulting Numbers: [52, 23] Generated Node #0,3,1: 69:[52, 23] Operation: 3+20=23 Exploring Operation: 52+3=55, Resulting Numbers: [20, 55] Generated Node #0,3,2: 69:[20, 55] Operation: 52+3=55 Exploring Operation: 52-20=32, Resulting Numbers: [3, 32] Generated Node #0,3,3: 69:[3, 32] Operation: 52-20=32 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 69:[3, 72], Operations: ['53-33=20', '52+20=72'] Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,69 unequal: No Solution Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[52, 53, 3, 33], Operations: [] Exploring Operation: 53-33=20, Resulting Numbers: [52, 3, 20] Generated Node #0,3: 69:[52, 3, 20] Operation: 53-33=20 Moving to Node #0,3 Current State: 69:[52, 3, 20], Operations: ['53-33=20'] Exploring Operation: 52+20=72, Resulting Numbers: [3, 72] Generated Node #0,3,0: 69:[3, 72] Operation: 52+20=72 Moving to Node #0,3,0 Current State: 69:[3, 72], Operations: ['53-33=20', '52+20=72'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 14, 92, 72, 66 ]
21
[ "72+66=138", "14*138=1932", "1932/92=21" ]
Current State: 21:[14, 92, 72, 66], Operations: [] Exploring Operation: 72+66=138, Resulting Numbers: [14, 92, 138] Generated Node #2: [14, 92, 138] from Operation: 72+66=138 Current State: 21:[14, 92, 138], Operations: ['72+66=138'] Exploring Operation: 14*138=1932, Resulting Numbers: [92, 1932] Generated Node #3: [92, 1932] from Operation: 14*138=1932 Current State: 21:[92, 1932], Operations: ['72+66=138', '14*138=1932'] Exploring Operation: 1932/92=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[14, 92, 72, 66], Operations: [] Exploring Operation: 72-66=6, Resulting Numbers: [14, 92, 6] Generated Node #0,0: 21:[14, 92, 6] Operation: 72-66=6 Exploring Operation: 92-72=20, Resulting Numbers: [14, 66, 20] Generated Node #0,1: 21:[14, 66, 20] Operation: 92-72=20 Exploring Operation: 92-66=26, Resulting Numbers: [14, 72, 26] Generated Node #0,2: 21:[14, 72, 26] Operation: 92-66=26 Moving to Node #0,1 Current State: 21:[14, 66, 20], Operations: ['92-72=20'] Exploring Operation: 66-20=46, Resulting Numbers: [14, 46] Generated Node #0,1,0: 21:[14, 46] Operation: 66-20=46 Exploring Operation: 20-14=6, Resulting Numbers: [66, 6] Generated Node #0,1,1: 21:[66, 6] Operation: 20-14=6 Exploring Operation: 66-14=52, Resulting Numbers: [20, 52] Generated Node #0,1,2: 21:[20, 52] Operation: 66-14=52 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[14, 46], Operations: ['92-72=20', '66-20=46'] Exploring Operation: 14+46=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,21 unequal: No Solution Exploring Operation: 14*46=644, Resulting Numbers: [644] 644,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 21:[20, 52], Operations: ['92-72=20', '66-14=52'] Exploring Operation: 20+52=72, Resulting Numbers: [72] 72,21 unequal: No Solution Exploring Operation: 20*52=1040, Resulting Numbers: [1040] 1040,21 unequal: No Solution Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 21:[66, 6], Operations: ['92-72=20', '20-14=6'] Exploring Operation: 66/6=11, Resulting Numbers: [11] 11,21 unequal: No Solution Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 66+6=72, Resulting Numbers: [72] 72,21 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: 21:[14, 72, 26], Operations: ['92-66=26'] Exploring Operation: 26-14=12, Resulting Numbers: [72, 12] Generated Node #0,2,0: 21:[72, 12] Operation: 26-14=12 Exploring Operation: 72-26=46, Resulting Numbers: [14, 46] Generated Node #0,2,1: 21:[14, 46] Operation: 72-26=46 Exploring Operation: 72-14=58, Resulting Numbers: [26, 58] Generated Node #0,2,2: 21:[26, 58] Operation: 72-14=58 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 21:[14, 46], Operations: ['92-66=26', '72-26=46'] Exploring Operation: 14*46=644, Resulting Numbers: [644] 644,21 unequal: No Solution Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,21 unequal: No Solution Exploring Operation: 14+46=60, Resulting Numbers: [60] 60,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 21:[26, 58], Operations: ['92-66=26', '72-14=58'] Exploring Operation: 26+58=84, Resulting Numbers: [84] 84,21 unequal: No Solution Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,21 unequal: No Solution Exploring Operation: 26*58=1508, Resulting Numbers: [1508] 1508,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 21:[72, 12], Operations: ['92-66=26', '26-14=12'] Exploring Operation: 72-12=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 72/12=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 72+12=84, Resulting Numbers: [84] 84,21 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: 21:[14, 92, 6], Operations: ['72-66=6'] Exploring Operation: 14+6=20, Resulting Numbers: [92, 20] Generated Node #0,0,0: 21:[92, 20] Operation: 14+6=20 Exploring Operation: 92-14=78, Resulting Numbers: [6, 78] Generated Node #0,0,1: 21:[6, 78] Operation: 92-14=78 Exploring Operation: 14-6=8, Resulting Numbers: [92, 8] Generated Node #0,0,2: 21:[92, 8] Operation: 14-6=8 Moving to Node #0,0,1 Current State: 21:[6, 78], Operations: ['72-66=6', '92-14=78'] Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,21 unequal: No Solution Exploring Operation: 6+78=84, Resulting Numbers: [84] 84,21 unequal: No Solution Moving to Node #0,0,0 Current State: 21:[92, 20], Operations: ['72-66=6', '14+6=20'] Exploring Operation: 92*20=1840, Resulting Numbers: [1840] 1840,21 unequal: No Solution Exploring Operation: 92+20=112, Resulting Numbers: [112] 112,21 unequal: No Solution Exploring Operation: 92-20=72, Resulting Numbers: [72] 72,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[92, 8], Operations: ['72-66=6', '14-6=8'] Exploring Operation: 92*8=736, Resulting Numbers: [736] 736,21 unequal: No Solution Exploring Operation: 92+8=100, Resulting Numbers: [100] 100,21 unequal: No Solution Exploring Operation: 92-8=84, Resulting Numbers: [84] 84,21 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 64, 74, 18, 4 ]
76
[ "64/4=16", "74+18=92", "92-16=76" ]
Current State: 76:[64, 74, 18, 4], Operations: [] Exploring Operation: 64/4=16, Resulting Numbers: [74, 18, 16] Generated Node #2: [74, 18, 16] from Operation: 64/4=16 Current State: 76:[74, 18, 16], Operations: ['64/4=16'] Exploring Operation: 74+18=92, Resulting Numbers: [16, 92] Generated Node #3: [16, 92] from Operation: 74+18=92 Current State: 76:[16, 92], Operations: ['64/4=16', '74+18=92'] Exploring Operation: 92-16=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[64, 74, 18, 4], Operations: [] Exploring Operation: 64+18=82, Resulting Numbers: [74, 4, 82] Generated Node #0,0: 76:[74, 4, 82] Operation: 64+18=82 Exploring Operation: 64/4=16, Resulting Numbers: [74, 18, 16] Generated Node #0,1: 76:[74, 18, 16] Operation: 64/4=16 Exploring Operation: 74-64=10, Resulting Numbers: [18, 4, 10] Generated Node #0,2: 76:[18, 4, 10] Operation: 74-64=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[74, 18, 16], Operations: ['64/4=16'] Exploring Operation: 18+16=34, Resulting Numbers: [74, 34] Generated Node #0,1,0: 76:[74, 34] Operation: 18+16=34 Exploring Operation: 18-16=2, Resulting Numbers: [74, 2] Generated Node #0,1,1: 76:[74, 2] Operation: 18-16=2 Exploring Operation: 74+16=90, Resulting Numbers: [18, 90] Generated Node #0,1,2: 76:[18, 90] Operation: 74+16=90 Moving to Node #0,1,1 Current State: 76:[74, 2], Operations: ['64/4=16', '18-16=2'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,76 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[64, 74, 18, 4], Operations: [] Exploring Operation: 64/4=16, Resulting Numbers: [74, 18, 16] Generated Node #0,1: 76:[74, 18, 16] Operation: 64/4=16 Moving to Node #0,1 Current State: 76:[74, 18, 16], Operations: ['64/4=16'] Exploring Operation: 18-16=2, Resulting Numbers: [74, 2] Generated Node #0,1,1: 76:[74, 2] Operation: 18-16=2 Moving to Node #0,1,1 Current State: 76:[74, 2], Operations: ['64/4=16', '18-16=2'] Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 89, 25, 6, 48 ]
22
[ "89-25=64", "48-6=42", "64-42=22" ]
Current State: 22:[89, 25, 6, 48], Operations: [] Exploring Operation: 89-25=64, Resulting Numbers: [6, 48, 64] Generated Node #2: [6, 48, 64] from Operation: 89-25=64 Current State: 22:[6, 48, 64], Operations: ['89-25=64'] Exploring Operation: 48-6=42, Resulting Numbers: [64, 42] Generated Node #3: [64, 42] from Operation: 48-6=42 Current State: 22:[64, 42], Operations: ['89-25=64', '48-6=42'] Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[89, 25, 6, 48], Operations: [] Exploring Operation: 89-48=41, Resulting Numbers: [25, 6, 41] Generated Node #0,0: 22:[25, 6, 41] Operation: 89-48=41 Moving to Node #0,0 Current State: 22:[25, 6, 41], Operations: ['89-48=41'] Exploring Operation: 41-25=16, Resulting Numbers: [6, 16] Generated Node #0,0,0: 22:[6, 16] Operation: 41-25=16 Moving to Node #0,0,0 Current State: 22:[6, 16], Operations: ['89-48=41', '41-25=16'] Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[89, 25, 6, 48], Operations: [] Exploring Operation: 89-48=41, Resulting Numbers: [25, 6, 41] Generated Node #0,0: 22:[25, 6, 41] Operation: 89-48=41 Moving to Node #0,0 Current State: 22:[25, 6, 41], Operations: ['89-48=41'] Exploring Operation: 41-25=16, Resulting Numbers: [6, 16] Generated Node #0,0,0: 22:[6, 16] Operation: 41-25=16 Moving to Node #0,0,0 Current State: 22:[6, 16], Operations: ['89-48=41', '41-25=16'] Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 75, 83, 84, 62 ]
30
[ "83-75=8", "84-62=22", "8+22=30" ]
Current State: 30:[75, 83, 84, 62], Operations: [] Exploring Operation: 83-75=8, Resulting Numbers: [84, 62, 8] Generated Node #2: [84, 62, 8] from Operation: 83-75=8 Current State: 30:[84, 62, 8], Operations: ['83-75=8'] Exploring Operation: 84-62=22, Resulting Numbers: [8, 22] Generated Node #3: [8, 22] from Operation: 84-62=22 Current State: 30:[8, 22], Operations: ['83-75=8', '84-62=22'] Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[75, 83, 84, 62], Operations: [] Exploring Operation: 83-62=21, Resulting Numbers: [75, 84, 21] Generated Node #0,0: 30:[75, 84, 21] Operation: 83-62=21 Exploring Operation: 84-75=9, Resulting Numbers: [83, 62, 9] Generated Node #0,1: 30:[83, 62, 9] Operation: 84-75=9 Exploring Operation: 84-83=1, Resulting Numbers: [75, 62, 1] Generated Node #0,2: 30:[75, 62, 1] Operation: 84-83=1 Exploring Operation: 83-75=8, Resulting Numbers: [84, 62, 8] Generated Node #0,3: 30:[84, 62, 8] Operation: 83-75=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[75, 62, 1], Operations: ['84-83=1'] Exploring Operation: 75-1=74, Resulting Numbers: [62, 74] Generated Node #0,2,0: 30:[62, 74] Operation: 75-1=74 Exploring Operation: 75*1=75, Resulting Numbers: [62, 75] Generated Node #0,2,1: 30:[62, 75] Operation: 75*1=75 Exploring Operation: 62-1=61, Resulting Numbers: [75, 61] Generated Node #0,2,2: 30:[75, 61] Operation: 62-1=61 Exploring Operation: 75-62=13, Resulting Numbers: [1, 13] Generated Node #0,2,3: 30:[1, 13] Operation: 75-62=13 Moving to Node #0,2,3 Current State: 30:[1, 13], Operations: ['84-83=1', '75-62=13'] Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,30 unequal: No Solution Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,30 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[75, 61], Operations: ['84-83=1', '62-1=61'] Exploring Operation: 75-61=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 75+61=136, Resulting Numbers: [136] 136,30 unequal: No Solution Exploring Operation: 75*61=4575, Resulting Numbers: [4575] 4575,30 unequal: No Solution Moving to Node #0,2,0 Current State: 30:[62, 74], Operations: ['84-83=1', '75-1=74'] Exploring Operation: 62*74=4588, Resulting Numbers: [4588] 4588,30 unequal: No Solution Exploring Operation: 62+74=136, Resulting Numbers: [136] 136,30 unequal: No Solution Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,30 unequal: No Solution Moving to Node #0,2,1 Current State: 30:[62, 75], Operations: ['84-83=1', '75*1=75'] Exploring Operation: 62+75=137, Resulting Numbers: [137] 137,30 unequal: No Solution Exploring Operation: 75-62=13, Resulting Numbers: [13] 13,30 unequal: No Solution Exploring Operation: 62*75=4650, Resulting Numbers: [4650] 4650,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[83, 62, 9], Operations: ['84-75=9'] Exploring Operation: 83+9=92, Resulting Numbers: [62, 92] Generated Node #0,1,0: 30:[62, 92] Operation: 83+9=92 Exploring Operation: 83-9=74, Resulting Numbers: [62, 74] Generated Node #0,1,1: 30:[62, 74] Operation: 83-9=74 Exploring Operation: 62-9=53, Resulting Numbers: [83, 53] Generated Node #0,1,2: 30:[83, 53] Operation: 62-9=53 Exploring Operation: 83-62=21, Resulting Numbers: [9, 21] Generated Node #0,1,3: 30:[9, 21] Operation: 83-62=21 Moving to Node #0,1,3 Current State: 30:[9, 21], Operations: ['84-75=9', '83-62=21'] Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,30 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[75, 83, 84, 62], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [83, 62, 9] Generated Node #0,1: 30:[83, 62, 9] Operation: 84-75=9 Moving to Node #0,1 Current State: 30:[83, 62, 9], Operations: ['84-75=9'] Exploring Operation: 83-62=21, Resulting Numbers: [9, 21] Generated Node #0,1,3: 30:[9, 21] Operation: 83-62=21 Moving to Node #0,1,3 Current State: 30:[9, 21], Operations: ['84-75=9', '83-62=21'] Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 38, 36, 8, 46 ]
100
[ "38-36=2", "46*2=92", "8+92=100" ]
Current State: 100:[38, 36, 8, 46], Operations: [] Exploring Operation: 38-36=2, Resulting Numbers: [8, 46, 2] Generated Node #2: [8, 46, 2] from Operation: 38-36=2 Current State: 100:[8, 46, 2], Operations: ['38-36=2'] Exploring Operation: 46*2=92, Resulting Numbers: [8, 92] Generated Node #3: [8, 92] from Operation: 46*2=92 Current State: 100:[8, 92], Operations: ['38-36=2', '46*2=92'] Exploring Operation: 8+92=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[38, 36, 8, 46], Operations: [] Exploring Operation: 38-36=2, Resulting Numbers: [8, 46, 2] Generated Node #0,0: 100:[8, 46, 2] Operation: 38-36=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[8, 46, 2], Operations: ['38-36=2'] Exploring Operation: 8+46=54, Resulting Numbers: [2, 54] Generated Node #0,0,0: 100:[2, 54] Operation: 8+46=54 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[2, 54], Operations: ['38-36=2', '8+46=54'] Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 36, 10, 21, 22 ]
27
[ "36-10=26", "22-21=1", "26+1=27" ]
Current State: 27:[36, 10, 21, 22], Operations: [] Exploring Operation: 36-10=26, Resulting Numbers: [21, 22, 26] Generated Node #2: [21, 22, 26] from Operation: 36-10=26 Current State: 27:[21, 22, 26], Operations: ['36-10=26'] Exploring Operation: 22-21=1, Resulting Numbers: [26, 1] Generated Node #3: [26, 1] from Operation: 22-21=1 Current State: 27:[26, 1], Operations: ['36-10=26', '22-21=1'] Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[36, 10, 21, 22], Operations: [] Exploring Operation: 36-22=14, Resulting Numbers: [10, 21, 14] Generated Node #0,0: 27:[10, 21, 14] Operation: 36-22=14 Exploring Operation: 36-21=15, Resulting Numbers: [10, 22, 15] Generated Node #0,1: 27:[10, 22, 15] Operation: 36-21=15 Exploring Operation: 36-10=26, Resulting Numbers: [21, 22, 26] Generated Node #0,2: 27:[21, 22, 26] Operation: 36-10=26 Moving to Node #0,0 Current State: 27:[10, 21, 14], Operations: ['36-22=14'] Exploring Operation: 14-10=4, Resulting Numbers: [21, 4] Generated Node #0,0,0: 27:[21, 4] Operation: 14-10=4 Exploring Operation: 21-10=11, Resulting Numbers: [14, 11] Generated Node #0,0,1: 27:[14, 11] Operation: 21-10=11 Exploring Operation: 21-14=7, Resulting Numbers: [10, 7] Generated Node #0,0,2: 27:[10, 7] Operation: 21-14=7 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 27:[10, 7], Operations: ['36-22=14', '21-14=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,27 unequal: No Solution Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[21, 4], Operations: ['36-22=14', '14-10=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 27:[14, 11], Operations: ['36-22=14', '21-10=11'] Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,27 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,27 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: 27:[10, 22, 15], Operations: ['36-21=15'] Exploring Operation: 22-15=7, Resulting Numbers: [10, 7] Generated Node #0,1,0: 27:[10, 7] Operation: 22-15=7 Exploring Operation: 15-10=5, Resulting Numbers: [22, 5] Generated Node #0,1,1: 27:[22, 5] Operation: 15-10=5 Exploring Operation: 10+15=25, Resulting Numbers: [22, 25] Generated Node #0,1,2: 27:[22, 25] Operation: 10+15=25 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 27:[10, 7], Operations: ['36-21=15', '22-15=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,27 unequal: No Solution Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,27 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 #0,1,1 Current State: 27:[22, 5], Operations: ['36-21=15', '15-10=5'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 22*5=110, Resulting Numbers: [110] 110,27 unequal: No Solution Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[36, 10, 21, 22], Operations: [] Exploring Operation: 36-21=15, Resulting Numbers: [10, 22, 15] Generated Node #0,1: 27:[10, 22, 15] Operation: 36-21=15 Moving to Node #0,1 Current State: 27:[10, 22, 15], Operations: ['36-21=15'] Exploring Operation: 15-10=5, Resulting Numbers: [22, 5] Generated Node #0,1,1: 27:[22, 5] Operation: 15-10=5 Moving to Node #0,1,1 Current State: 27:[22, 5], Operations: ['36-21=15', '15-10=5'] Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 89, 53, 79, 85 ]
33
[ "89-85=4", "53+79=132", "132/4=33" ]
Current State: 33:[89, 53, 79, 85], Operations: [] Exploring Operation: 89-85=4, Resulting Numbers: [53, 79, 4] Generated Node #2: [53, 79, 4] from Operation: 89-85=4 Current State: 33:[53, 79, 4], Operations: ['89-85=4'] Exploring Operation: 53+79=132, Resulting Numbers: [4, 132] Generated Node #3: [4, 132] from Operation: 53+79=132 Current State: 33:[4, 132], Operations: ['89-85=4', '53+79=132'] Exploring Operation: 132/4=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[89, 53, 79, 85], Operations: [] Exploring Operation: 85-79=6, Resulting Numbers: [89, 53, 6] Generated Node #0,0: 33:[89, 53, 6] Operation: 85-79=6 Exploring Operation: 89-79=10, Resulting Numbers: [53, 85, 10] Generated Node #0,1: 33:[53, 85, 10] Operation: 89-79=10 Exploring Operation: 89-85=4, Resulting Numbers: [53, 79, 4] Generated Node #0,2: 33:[53, 79, 4] Operation: 89-85=4 Moving to Node #0,2 Current State: 33:[53, 79, 4], Operations: ['89-85=4'] Exploring Operation: 79-53=26, Resulting Numbers: [4, 26] Generated Node #0,2,0: 33:[4, 26] Operation: 79-53=26 Exploring Operation: 79-4=75, Resulting Numbers: [53, 75] Generated Node #0,2,1: 33:[53, 75] Operation: 79-4=75 Exploring Operation: 53-4=49, Resulting Numbers: [79, 49] Generated Node #0,2,2: 33:[79, 49] Operation: 53-4=49 Moving to Node #0,1 Current State: 33:[53, 85, 10], Operations: ['89-79=10'] Exploring Operation: 85-53=32, Resulting Numbers: [10, 32] Generated Node #0,1,0: 33:[10, 32] Operation: 85-53=32 Exploring Operation: 85-10=75, Resulting Numbers: [53, 75] Generated Node #0,1,1: 33:[53, 75] Operation: 85-10=75 Exploring Operation: 53-10=43, Resulting Numbers: [85, 43] Generated Node #0,1,2: 33:[85, 43] Operation: 53-10=43 Moving to Node #0,0 Current State: 33:[89, 53, 6], Operations: ['85-79=6'] Exploring Operation: 89-53=36, Resulting Numbers: [6, 36] Generated Node #0,0,0: 33:[6, 36] Operation: 89-53=36 Exploring Operation: 89-6=83, Resulting Numbers: [53, 83] Generated Node #0,0,1: 33:[53, 83] Operation: 89-6=83 Exploring Operation: 53-6=47, Resulting Numbers: [89, 47] Generated Node #0,0,2: 33:[89, 47] Operation: 53-6=47 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[6, 36], Operations: ['85-79=6', '89-53=36'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,33 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 6+36=42, Resulting Numbers: [42] 42,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 33:[53, 83], Operations: ['85-79=6', '89-6=83'] Exploring Operation: 53*83=4399, Resulting Numbers: [4399] 4399,33 unequal: No Solution Exploring Operation: 53+83=136, Resulting Numbers: [136] 136,33 unequal: No Solution Exploring Operation: 83-53=30, Resulting Numbers: [30] 30,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 33:[89, 47], Operations: ['85-79=6', '53-6=47'] Exploring Operation: 89+47=136, Resulting Numbers: [136] 136,33 unequal: No Solution Exploring Operation: 89*47=4183, Resulting Numbers: [4183] 4183,33 unequal: No Solution Exploring Operation: 89-47=42, Resulting Numbers: [42] 42,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 33:[10, 32], Operations: ['89-79=10', '85-53=32'] Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,33 unequal: No Solution Exploring Operation: 10*32=320, Resulting Numbers: [320] 320,33 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[4, 26], Operations: ['89-85=4', '79-53=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,33 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[79, 49], Operations: ['89-85=4', '53-4=49'] Exploring Operation: 79-49=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 79*49=3871, Resulting Numbers: [3871] 3871,33 unequal: No Solution Exploring Operation: 79+49=128, Resulting Numbers: [128] 128,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[85, 43], Operations: ['89-79=10', '53-10=43'] Exploring Operation: 85-43=42, Resulting Numbers: [42] 42,33 unequal: No Solution Exploring Operation: 85*43=3655, Resulting Numbers: [3655] 3655,33 unequal: No Solution Exploring Operation: 85+43=128, Resulting Numbers: [128] 128,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[53, 75], Operations: ['89-79=10', '85-10=75'] Exploring Operation: 75-53=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 53+75=128, Resulting Numbers: [128] 128,33 unequal: No Solution Exploring Operation: 53*75=3975, Resulting Numbers: [3975] 3975,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[53, 75], Operations: ['89-85=4', '79-4=75'] Exploring Operation: 75-53=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 53*75=3975, Resulting Numbers: [3975] 3975,33 unequal: No Solution Exploring Operation: 53+75=128, Resulting Numbers: [128] 128,33 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 2, 19, 5, 26 ]
60
[ "2*19=38", "38-26=12", "5*12=60" ]
Current State: 60:[2, 19, 5, 26], Operations: [] Exploring Operation: 2*19=38, Resulting Numbers: [5, 26, 38] Generated Node #2: [5, 26, 38] from Operation: 2*19=38 Current State: 60:[5, 26, 38], Operations: ['2*19=38'] Exploring Operation: 38-26=12, Resulting Numbers: [5, 12] Generated Node #3: [5, 12] from Operation: 38-26=12 Current State: 60:[5, 12], Operations: ['2*19=38', '38-26=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[2, 19, 5, 26], Operations: [] Exploring Operation: 26-19=7, Resulting Numbers: [2, 5, 7] Generated Node #0,0: 60:[2, 5, 7] Operation: 26-19=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[2, 5, 7], Operations: ['26-19=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5, 5] Generated Node #0,0,0: 60:[5, 5] Operation: 7-2=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[5, 5], Operations: ['26-19=7', '7-2=5'] Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 37, 81, 60, 90 ]
66
[ "81-37=44", "90*44=3960", "3960/60=66" ]
Current State: 66:[37, 81, 60, 90], Operations: [] Exploring Operation: 81-37=44, Resulting Numbers: [60, 90, 44] Generated Node #2: [60, 90, 44] from Operation: 81-37=44 Current State: 66:[60, 90, 44], Operations: ['81-37=44'] Exploring Operation: 90*44=3960, Resulting Numbers: [60, 3960] Generated Node #3: [60, 3960] from Operation: 90*44=3960 Current State: 66:[60, 3960], Operations: ['81-37=44', '90*44=3960'] Exploring Operation: 3960/60=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[37, 81, 60, 90], Operations: [] Exploring Operation: 81-60=21, Resulting Numbers: [37, 90, 21] Generated Node #0,0: 66:[37, 90, 21] Operation: 81-60=21 Exploring Operation: 90-37=53, Resulting Numbers: [81, 60, 53] Generated Node #0,1: 66:[81, 60, 53] Operation: 90-37=53 Exploring Operation: 90-81=9, Resulting Numbers: [37, 60, 9] Generated Node #0,2: 66:[37, 60, 9] Operation: 90-81=9 Exploring Operation: 90-60=30, Resulting Numbers: [37, 81, 30] Generated Node #0,3: 66:[37, 81, 30] Operation: 90-60=30 Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[37, 60, 9], Operations: ['90-81=9'] Exploring Operation: 60-37=23, Resulting Numbers: [9, 23] Generated Node #0,2,0: 66:[9, 23] Operation: 60-37=23 Exploring Operation: 60+9=69, Resulting Numbers: [37, 69] Generated Node #0,2,1: 66:[37, 69] Operation: 60+9=69 Exploring Operation: 37-9=28, Resulting Numbers: [60, 28] Generated Node #0,2,2: 66:[60, 28] Operation: 37-9=28 Exploring Operation: 37+9=46, Resulting Numbers: [60, 46] Generated Node #0,2,3: 66:[60, 46] Operation: 37+9=46 Moving to Node #0,2,0 Current State: 66:[9, 23], Operations: ['90-81=9', '60-37=23'] Exploring Operation: 9*23=207, Resulting Numbers: [207] 207,66 unequal: No Solution Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,66 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[37, 69], Operations: ['90-81=9', '60+9=69'] Exploring Operation: 37*69=2553, Resulting Numbers: [2553] 2553,66 unequal: No Solution Exploring Operation: 69-37=32, Resulting Numbers: [32] 32,66 unequal: No Solution Exploring Operation: 37+69=106, Resulting Numbers: [106] 106,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[60, 28], Operations: ['90-81=9', '37-9=28'] Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,66 unequal: No Solution Exploring Operation: 60+28=88, Resulting Numbers: [88] 88,66 unequal: No Solution Exploring Operation: 60*28=1680, Resulting Numbers: [1680] 1680,66 unequal: No Solution Moving to Node #0,2,3 Current State: 66:[60, 46], Operations: ['90-81=9', '37+9=46'] Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 60*46=2760, Resulting Numbers: [2760] 2760,66 unequal: No Solution Exploring Operation: 60+46=106, Resulting Numbers: [106] 106,66 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 #0,3 Current State: 66:[37, 81, 30], Operations: ['90-60=30'] Exploring Operation: 37+30=67, Resulting Numbers: [81, 67] Generated Node #0,3,0: 66:[81, 67] Operation: 37+30=67 Exploring Operation: 81-30=51, Resulting Numbers: [37, 51] Generated Node #0,3,1: 66:[37, 51] Operation: 81-30=51 Exploring Operation: 37-30=7, Resulting Numbers: [81, 7] Generated Node #0,3,2: 66:[81, 7] Operation: 37-30=7 Exploring Operation: 81-37=44, Resulting Numbers: [30, 44] Generated Node #0,3,3: 66:[30, 44] Operation: 81-37=44 Moving to Node #0,3,3 Current State: 66:[30, 44], Operations: ['90-60=30', '81-37=44'] Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,66 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 30*44=1320, Resulting Numbers: [1320] 1320,66 unequal: No Solution Moving to Node #0,3,2 Current State: 66:[81, 7], Operations: ['90-60=30', '37-30=7'] Exploring Operation: 81+7=88, Resulting Numbers: [88] 88,66 unequal: No Solution Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,66 unequal: No Solution Exploring Operation: 81*7=567, Resulting Numbers: [567] 567,66 unequal: No Solution Moving to Node #0,3,0 Current State: 66:[81, 67], Operations: ['90-60=30', '37+30=67'] Exploring Operation: 81+67=148, Resulting Numbers: [148] 148,66 unequal: No Solution Exploring Operation: 81*67=5427, Resulting Numbers: [5427] 5427,66 unequal: No Solution Exploring Operation: 81-67=14, Resulting Numbers: [14] 14,66 unequal: No Solution Moving to Node #0,3,1 Current State: 66:[37, 51], Operations: ['90-60=30', '81-30=51'] Exploring Operation: 37*51=1887, Resulting Numbers: [1887] 1887,66 unequal: No Solution Exploring Operation: 51-37=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 37+51=88, Resulting Numbers: [88] 88,66 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 Current State: 66:[37, 90, 21], Operations: ['81-60=21'] Exploring Operation: 37-21=16, Resulting Numbers: [90, 16] Generated Node #0,0,0: 66:[90, 16] Operation: 37-21=16 Exploring Operation: 90-21=69, Resulting Numbers: [37, 69] Generated Node #0,0,1: 66:[37, 69] Operation: 90-21=69 Exploring Operation: 90-37=53, Resulting Numbers: [21, 53] Generated Node #0,0,2: 66:[21, 53] Operation: 90-37=53 Exploring Operation: 37+21=58, Resulting Numbers: [90, 58] Generated Node #0,0,3: 66:[90, 58] Operation: 37+21=58 Moving to Node #0,0,1 Current State: 66:[37, 69], Operations: ['81-60=21', '90-21=69'] Exploring Operation: 37+69=106, Resulting Numbers: [106] 106,66 unequal: No Solution Exploring Operation: 69-37=32, Resulting Numbers: [32] 32,66 unequal: No Solution Exploring Operation: 37*69=2553, Resulting Numbers: [2553] 2553,66 unequal: No Solution Moving to Node #0,0,2 Current State: 66:[21, 53], Operations: ['81-60=21', '90-37=53'] Exploring Operation: 21*53=1113, Resulting Numbers: [1113] 1113,66 unequal: No Solution Exploring Operation: 21+53=74, Resulting Numbers: [74] 74,66 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[90, 16], Operations: ['81-60=21', '37-21=16'] Exploring Operation: 90-16=74, Resulting Numbers: [74] 74,66 unequal: No Solution Exploring Operation: 90*16=1440, Resulting Numbers: [1440] 1440,66 unequal: No Solution Exploring Operation: 90+16=106, Resulting Numbers: [106] 106,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[90, 58], Operations: ['81-60=21', '37+21=58'] Exploring Operation: 90-58=32, Resulting Numbers: [32] 32,66 unequal: No Solution Exploring Operation: 90+58=148, Resulting Numbers: [148] 148,66 unequal: No Solution Exploring Operation: 90*58=5220, Resulting Numbers: [5220] 5220,66 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:[81, 60, 53], Operations: ['90-37=53'] Exploring Operation: 81-60=21, Resulting Numbers: [53, 21] Generated Node #0,1,0: 66:[53, 21] Operation: 81-60=21 Exploring Operation: 81-53=28, Resulting Numbers: [60, 28] Generated Node #0,1,1: 66:[60, 28] Operation: 81-53=28 Exploring Operation: 60+53=113, Resulting Numbers: [81, 113] Generated Node #0,1,2: 66:[81, 113] Operation: 60+53=113 Exploring Operation: 60-53=7, Resulting Numbers: [81, 7] Generated Node #0,1,3: 66:[81, 7] Operation: 60-53=7 Moving to Node #0,1,1 Current State: 66:[60, 28], Operations: ['90-37=53', '81-53=28'] Exploring Operation: 60+28=88, Resulting Numbers: [88] 88,66 unequal: No Solution Exploring Operation: 60*28=1680, Resulting Numbers: [1680] 1680,66 unequal: No Solution Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[53, 21], Operations: ['90-37=53', '81-60=21'] Exploring Operation: 53+21=74, Resulting Numbers: [74] 74,66 unequal: No Solution Exploring Operation: 53*21=1113, Resulting Numbers: [1113] 1113,66 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,66 unequal: No Solution Moving to Node #0,1,3 Current State: 66:[81, 7], Operations: ['90-37=53', '60-53=7'] Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,66 unequal: No Solution Exploring Operation: 81*7=567, Resulting Numbers: [567] 567,66 unequal: No Solution Exploring Operation: 81+7=88, Resulting Numbers: [88] 88,66 unequal: No Solution Moving to Node #0,1,2 Current State: 66:[81, 113], Operations: ['90-37=53', '60+53=113'] Exploring Operation: 113-81=32, Resulting Numbers: [32] 32,66 unequal: No Solution Exploring Operation: 81+113=194, Resulting Numbers: [194] 194,66 unequal: No Solution Exploring Operation: 81*113=9153, Resulting Numbers: [9153] 9153,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 7, 13, 90, 2 ]
94
[ "13-7=6", "90-2=88", "6+88=94" ]
Current State: 94:[7, 13, 90, 2], Operations: [] Exploring Operation: 13-7=6, Resulting Numbers: [90, 2, 6] Generated Node #2: [90, 2, 6] from Operation: 13-7=6 Current State: 94:[90, 2, 6], Operations: ['13-7=6'] Exploring Operation: 90-2=88, Resulting Numbers: [6, 88] Generated Node #3: [6, 88] from Operation: 90-2=88 Current State: 94:[6, 88], Operations: ['13-7=6', '90-2=88'] Exploring Operation: 6+88=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[7, 13, 90, 2], Operations: [] Exploring Operation: 7*13=91, Resulting Numbers: [90, 2, 91] Generated Node #0,0: 94:[90, 2, 91] Operation: 7*13=91 Moving to Node #0,0 Current State: 94:[90, 2, 91], Operations: ['7*13=91'] Exploring Operation: 91-90=1, Resulting Numbers: [2, 1] Generated Node #0,0,0: 94:[2, 1] Operation: 91-90=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[2, 1], Operations: ['7*13=91', '91-90=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,94 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
[ 24, 42, 84, 17 ]
78
[ "24-17=7", "42/7=6", "84-6=78" ]
Current State: 78:[24, 42, 84, 17], Operations: [] Exploring Operation: 24-17=7, Resulting Numbers: [42, 84, 7] Generated Node #2: [42, 84, 7] from Operation: 24-17=7 Current State: 78:[42, 84, 7], Operations: ['24-17=7'] Exploring Operation: 42/7=6, Resulting Numbers: [84, 6] Generated Node #3: [84, 6] from Operation: 42/7=6 Current State: 78:[84, 6], Operations: ['24-17=7', '42/7=6'] Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[24, 42, 84, 17], Operations: [] Exploring Operation: 24-17=7, Resulting Numbers: [42, 84, 7] Generated Node #0,0: 78:[42, 84, 7] Operation: 24-17=7 Exploring Operation: 84/42=2, Resulting Numbers: [24, 17, 2] Generated Node #0,1: 78:[24, 17, 2] Operation: 84/42=2 Exploring Operation: 84-42=42, Resulting Numbers: [24, 17, 42] Generated Node #0,2: 78:[24, 17, 42] Operation: 84-42=42 Exploring Operation: 42-17=25, Resulting Numbers: [24, 84, 25] Generated Node #0,3: 78:[24, 84, 25] Operation: 42-17=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[24, 17, 2], Operations: ['84/42=2'] Exploring Operation: 17-2=15, Resulting Numbers: [24, 15] Generated Node #0,1,0: 78:[24, 15] Operation: 17-2=15 Exploring Operation: 24+2=26, Resulting Numbers: [17, 26] Generated Node #0,1,1: 78:[17, 26] Operation: 24+2=26 Exploring Operation: 24-17=7, Resulting Numbers: [2, 7] Generated Node #0,1,2: 78:[2, 7] Operation: 24-17=7 Exploring Operation: 24+17=41, Resulting Numbers: [2, 41] Generated Node #0,1,3: 78:[2, 41] Operation: 24+17=41 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 78:[2, 7], Operations: ['84/42=2', '24-17=7'] Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,78 unequal: No Solution No 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: 78:[2, 41], Operations: ['84/42=2', '24+17=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,78 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,78 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,78 unequal: No Solution No 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: 78:[24, 15], Operations: ['84/42=2', '17-2=15'] Exploring Operation: 24*15=360, Resulting Numbers: [360] 360,78 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 24+15=39, Resulting Numbers: [39] 39,78 unequal: No Solution No 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: 78:[17, 26], Operations: ['84/42=2', '24+2=26'] Exploring Operation: 17*26=442, Resulting Numbers: [442] 442,78 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 17+26=43, Resulting Numbers: [43] 43,78 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: 78:[24, 17, 42], Operations: ['84-42=42'] Exploring Operation: 24-17=7, Resulting Numbers: [42, 7] Generated Node #0,2,0: 78:[42, 7] Operation: 24-17=7 Exploring Operation: 42-17=25, Resulting Numbers: [24, 25] Generated Node #0,2,1: 78:[24, 25] Operation: 42-17=25 Exploring Operation: 42-24=18, Resulting Numbers: [17, 18] Generated Node #0,2,2: 78:[17, 18] Operation: 42-24=18 Exploring Operation: 24+17=41, Resulting Numbers: [42, 41] Generated Node #0,2,3: 78:[42, 41] Operation: 24+17=41 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 78:[24, 25], Operations: ['84-42=42', '42-17=25'] Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,78 unequal: No Solution Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,78 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,78 unequal: No Solution No 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: 78:[42, 7], Operations: ['84-42=42', '24-17=7'] Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,78 unequal: No Solution Exploring Operation: 42*7=294, Resulting Numbers: [294] 294,78 unequal: No Solution Exploring Operation: 42+7=49, Resulting Numbers: [49] 49,78 unequal: No Solution No 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: 78:[42, 41], Operations: ['84-42=42', '24+17=41'] Exploring Operation: 42+41=83, Resulting Numbers: [83] 83,78 unequal: No Solution Exploring Operation: 42-41=1, Resulting Numbers: [1] 1,78 unequal: No Solution Exploring Operation: 42*41=1722, Resulting Numbers: [1722] 1722,78 unequal: No Solution No 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: 78:[17, 18], Operations: ['84-42=42', '42-24=18'] Exploring Operation: 17+18=35, Resulting Numbers: [35] 35,78 unequal: No Solution Exploring Operation: 17*18=306, Resulting Numbers: [306] 306,78 unequal: No Solution Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,78 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: 78:[24, 84, 25], Operations: ['42-17=25'] Exploring Operation: 24+25=49, Resulting Numbers: [84, 49] Generated Node #0,3,0: 78:[84, 49] Operation: 24+25=49 Exploring Operation: 84-24=60, Resulting Numbers: [25, 60] Generated Node #0,3,1: 78:[25, 60] Operation: 84-24=60 Exploring Operation: 25-24=1, Resulting Numbers: [84, 1] Generated Node #0,3,2: 78:[84, 1] Operation: 25-24=1 Exploring Operation: 84-25=59, Resulting Numbers: [24, 59] Generated Node #0,3,3: 78:[24, 59] Operation: 84-25=59 Moving to Node #0,3,2 Current State: 78:[84, 1], Operations: ['42-17=25', '25-24=1'] Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,78 unequal: No Solution Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,78 unequal: No Solution Moving to Node #0,3,0 Current State: 78:[84, 49], Operations: ['42-17=25', '24+25=49'] Exploring Operation: 84-49=35, Resulting Numbers: [35] 35,78 unequal: No Solution Exploring Operation: 84*49=4116, Resulting Numbers: [4116] 4116,78 unequal: No Solution Exploring Operation: 84+49=133, Resulting Numbers: [133] 133,78 unequal: No Solution Moving to Node #0,3,1 Current State: 78:[25, 60], Operations: ['42-17=25', '84-24=60'] Exploring Operation: 25+60=85, Resulting Numbers: [85] 85,78 unequal: No Solution Exploring Operation: 25*60=1500, Resulting Numbers: [1500] 1500,78 unequal: No Solution Exploring Operation: 60-25=35, Resulting Numbers: [35] 35,78 unequal: No Solution Moving to Node #0,3,3 Current State: 78:[24, 59], Operations: ['42-17=25', '84-25=59'] Exploring Operation: 24*59=1416, Resulting Numbers: [1416] 1416,78 unequal: No Solution Exploring Operation: 24+59=83, Resulting Numbers: [83] 83,78 unequal: No Solution Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[42, 84, 7], Operations: ['24-17=7'] Exploring Operation: 84/7=12, Resulting Numbers: [42, 12] Generated Node #0,0,0: 78:[42, 12] Operation: 84/7=12 Exploring Operation: 84-42=42, Resulting Numbers: [7, 42] Generated Node #0,0,1: 78:[7, 42] Operation: 84-42=42 Exploring Operation: 84/42=2, Resulting Numbers: [7, 2] Generated Node #0,0,2: 78:[7, 2] Operation: 84/42=2 Exploring Operation: 84-7=77, Resulting Numbers: [42, 77] Generated Node #0,0,3: 78:[42, 77] Operation: 84-7=77 Moving to Node #0,0,2 Current State: 78:[7, 2], Operations: ['24-17=7', '84/42=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[7, 42], Operations: ['24-17=7', '84-42=42'] Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 7*42=294, Resulting Numbers: [294] 294,78 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,78 unequal: No Solution Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,78 unequal: No Solution Moving to Node #0,0,0 Current State: 78:[42, 12], Operations: ['24-17=7', '84/7=12'] Exploring Operation: 42*12=504, Resulting Numbers: [504] 504,78 unequal: No Solution Exploring Operation: 42+12=54, Resulting Numbers: [54] 54,78 unequal: No Solution Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,78 unequal: No Solution Moving to Node #0,0,3 Current State: 78:[42, 77], Operations: ['24-17=7', '84-7=77'] Exploring Operation: 42+77=119, Resulting Numbers: [119] 119,78 unequal: No Solution Exploring Operation: 77-42=35, Resulting Numbers: [35] 35,78 unequal: No Solution Exploring Operation: 42*77=3234, Resulting Numbers: [3234] 3234,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 52, 21, 99, 76 ]
26
[ "99-21=78", "78-76=2", "52/2=26" ]
Current State: 26:[52, 21, 99, 76], Operations: [] Exploring Operation: 99-21=78, Resulting Numbers: [52, 76, 78] Generated Node #2: [52, 76, 78] from Operation: 99-21=78 Current State: 26:[52, 76, 78], Operations: ['99-21=78'] Exploring Operation: 78-76=2, Resulting Numbers: [52, 2] Generated Node #3: [52, 2] from Operation: 78-76=2 Current State: 26:[52, 2], Operations: ['99-21=78', '78-76=2'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[52, 21, 99, 76], Operations: [] Exploring Operation: 99-52=47, Resulting Numbers: [21, 76, 47] Generated Node #0,0: 26:[21, 76, 47] Operation: 99-52=47 Exploring Operation: 99-76=23, Resulting Numbers: [52, 21, 23] Generated Node #0,1: 26:[52, 21, 23] Operation: 99-76=23 Exploring Operation: 52-21=31, Resulting Numbers: [99, 76, 31] Generated Node #0,2: 26:[99, 76, 31] Operation: 52-21=31 Exploring Operation: 76-52=24, Resulting Numbers: [21, 99, 24] Generated Node #0,3: 26:[21, 99, 24] Operation: 76-52=24 Exploring Operation: 99-21=78, Resulting Numbers: [52, 76, 78] Generated Node #0,4: 26:[52, 76, 78] Operation: 99-21=78 Moving to Node #0,1 Current State: 26:[52, 21, 23], Operations: ['99-76=23'] Exploring Operation: 52-23=29, Resulting Numbers: [21, 29] Generated Node #0,1,0: 26:[21, 29] Operation: 52-23=29 Exploring Operation: 21+23=44, Resulting Numbers: [52, 44] Generated Node #0,1,1: 26:[52, 44] Operation: 21+23=44 Exploring Operation: 52-21=31, Resulting Numbers: [23, 31] Generated Node #0,1,2: 26:[23, 31] Operation: 52-21=31 Exploring Operation: 52+21=73, Resulting Numbers: [23, 73] Generated Node #0,1,3: 26:[23, 73] Operation: 52+21=73 Exploring Operation: 23-21=2, Resulting Numbers: [52, 2] Generated Node #0,1,4: 26:[52, 2] Operation: 23-21=2 Moving to Node #0,0 Current State: 26:[21, 76, 47], Operations: ['99-52=47'] Exploring Operation: 21+76=97, Resulting Numbers: [47, 97] Generated Node #0,0,0: 26:[47, 97] Operation: 21+76=97 Exploring Operation: 47-21=26, Resulting Numbers: [76, 26] Generated Node #0,0,1: 26:[76, 26] Operation: 47-21=26 Exploring Operation: 21+47=68, Resulting Numbers: [76, 68] Generated Node #0,0,2: 26:[76, 68] Operation: 21+47=68 Exploring Operation: 76-47=29, Resulting Numbers: [21, 29] Generated Node #0,0,3: 26:[21, 29] Operation: 76-47=29 Exploring Operation: 76-21=55, Resulting Numbers: [47, 55] Generated Node #0,0,4: 26:[47, 55] Operation: 76-21=55 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 26:[21, 29], Operations: ['99-52=47', '76-47=29'] Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,26 unequal: No Solution Exploring Operation: 21*29=609, Resulting Numbers: [609] 609,26 unequal: No Solution Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[76, 26], Operations: ['99-52=47', '47-21=26'] Exploring Operation: 76*26=1976, Resulting Numbers: [1976] 1976,26 unequal: No Solution Exploring Operation: 76+26=102, Resulting Numbers: [102] 102,26 unequal: No Solution Exploring Operation: 76-26=50, Resulting Numbers: [50] 50,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 26:[47, 55], Operations: ['99-52=47', '76-21=55'] Exploring Operation: 47+55=102, Resulting Numbers: [102] 102,26 unequal: No Solution Exploring Operation: 55-47=8, Resulting Numbers: [8] 8,26 unequal: No Solution Exploring Operation: 47*55=2585, Resulting Numbers: [2585] 2585,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[47, 97], Operations: ['99-52=47', '21+76=97'] Exploring Operation: 47*97=4559, Resulting Numbers: [4559] 4559,26 unequal: No Solution Exploring Operation: 47+97=144, Resulting Numbers: [144] 144,26 unequal: No Solution Exploring Operation: 97-47=50, Resulting Numbers: [50] 50,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 26:[76, 68], Operations: ['99-52=47', '21+47=68'] Exploring Operation: 76-68=8, Resulting Numbers: [8] 8,26 unequal: No Solution Exploring Operation: 76+68=144, Resulting Numbers: [144] 144,26 unequal: No Solution Exploring Operation: 76*68=5168, Resulting Numbers: [5168] 5168,26 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: 26:[21, 99, 24], Operations: ['76-52=24'] Exploring Operation: 24-21=3, Resulting Numbers: [99, 3] Generated Node #0,3,0: 26:[99, 3] Operation: 24-21=3 Exploring Operation: 99-21=78, Resulting Numbers: [24, 78] Generated Node #0,3,1: 26:[24, 78] Operation: 99-21=78 Exploring Operation: 21+24=45, Resulting Numbers: [99, 45] Generated Node #0,3,2: 26:[99, 45] Operation: 21+24=45 Exploring Operation: 99-24=75, Resulting Numbers: [21, 75] Generated Node #0,3,3: 26:[21, 75] Operation: 99-24=75 Exploring Operation: 21+99=120, Resulting Numbers: [24, 120] Generated Node #0,3,4: 26:[24, 120] Operation: 21+99=120 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 26:[24, 78], Operations: ['76-52=24', '99-21=78'] Exploring Operation: 24+78=102, Resulting Numbers: [102] 102,26 unequal: No Solution Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,26 unequal: No Solution Exploring Operation: 24*78=1872, Resulting Numbers: [1872] 1872,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 26:[21, 75], Operations: ['76-52=24', '99-24=75'] Exploring Operation: 21+75=96, Resulting Numbers: [96] 96,26 unequal: No Solution Exploring Operation: 75-21=54, Resulting Numbers: [54] 54,26 unequal: No Solution Exploring Operation: 21*75=1575, Resulting Numbers: [1575] 1575,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 26:[99, 3], Operations: ['76-52=24', '24-21=3'] Exploring Operation: 99*3=297, Resulting Numbers: [297] 297,26 unequal: No Solution Exploring Operation: 99/3=33, Resulting Numbers: [33] 33,26 unequal: No Solution Exploring Operation: 99+3=102, Resulting Numbers: [102] 102,26 unequal: No Solution Exploring Operation: 99-3=96, Resulting Numbers: [96] 96,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 26:[99, 45], Operations: ['76-52=24', '21+24=45'] Exploring Operation: 99*45=4455, Resulting Numbers: [4455] 4455,26 unequal: No Solution Exploring Operation: 99-45=54, Resulting Numbers: [54] 54,26 unequal: No Solution Exploring Operation: 99+45=144, Resulting Numbers: [144] 144,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 26:[24, 120], Operations: ['76-52=24', '21+99=120'] Exploring Operation: 24*120=2880, Resulting Numbers: [2880] 2880,26 unequal: No Solution Exploring Operation: 120-24=96, Resulting Numbers: [96] 96,26 unequal: No Solution Exploring Operation: 120/24=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 24+120=144, Resulting Numbers: [144] 144,26 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: 26:[99, 76, 31], Operations: ['52-21=31'] Exploring Operation: 99+31=130, Resulting Numbers: [76, 130] Generated Node #0,2,0: 26:[76, 130] Operation: 99+31=130 Exploring Operation: 76-31=45, Resulting Numbers: [99, 45] Generated Node #0,2,1: 26:[99, 45] Operation: 76-31=45 Exploring Operation: 99-31=68, Resulting Numbers: [76, 68] Generated Node #0,2,2: 26:[76, 68] Operation: 99-31=68 Exploring Operation: 99-76=23, Resulting Numbers: [31, 23] Generated Node #0,2,3: 26:[31, 23] Operation: 99-76=23 Exploring Operation: 99+76=175, Resulting Numbers: [31, 175] Generated Node #0,2,4: 26:[31, 175] Operation: 99+76=175 Moving to Node #0,4 Current State: 26:[52, 76, 78], Operations: ['99-21=78'] Exploring Operation: 52+78=130, Resulting Numbers: [76, 130] Generated Node #0,4,0: 26:[76, 130] Operation: 52+78=130 Exploring Operation: 52+76=128, Resulting Numbers: [78, 128] Generated Node #0,4,1: 26:[78, 128] Operation: 52+76=128 Exploring Operation: 76-52=24, Resulting Numbers: [78, 24] Generated Node #0,4,2: 26:[78, 24] Operation: 76-52=24 Exploring Operation: 78-52=26, Resulting Numbers: [76, 26] Generated Node #0,4,3: 26:[76, 26] Operation: 78-52=26 Exploring Operation: 78-76=2, Resulting Numbers: [52, 2] Generated Node #0,4,4: 26:[52, 2] Operation: 78-76=2 Moving to Node #0,1,0 Current State: 26:[21, 29], Operations: ['99-76=23', '52-23=29'] Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,26 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,26 unequal: No Solution Exploring Operation: 21*29=609, Resulting Numbers: [609] 609,26 unequal: No Solution Moving to Node #0,2,3 Current State: 26:[31, 23], Operations: ['52-21=31', '99-76=23'] Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,26 unequal: No Solution Exploring Operation: 31*23=713, Resulting Numbers: [713] 713,26 unequal: No Solution Exploring Operation: 31+23=54, Resulting Numbers: [54] 54,26 unequal: No Solution Moving to Node #0,1,2 Current State: 26:[23, 31], Operations: ['99-76=23', '52-21=31'] Exploring Operation: 23*31=713, Resulting Numbers: [713] 713,26 unequal: No Solution Exploring Operation: 23+31=54, Resulting Numbers: [54] 54,26 unequal: No Solution Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,26 unequal: No Solution Moving to Node #0,1,4 Current State: 26:[52, 2], Operations: ['99-76=23', '23-21=2'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[52, 21, 99, 76], Operations: [] Exploring Operation: 99-76=23, Resulting Numbers: [52, 21, 23] Generated Node #0,1: 26:[52, 21, 23] Operation: 99-76=23 Moving to Node #0,1 Current State: 26:[52, 21, 23], Operations: ['99-76=23'] Exploring Operation: 23-21=2, Resulting Numbers: [52, 2] Generated Node #0,1,4: 26:[52, 2] Operation: 23-21=2 Moving to Node #0,1,4 Current State: 26:[52, 2], Operations: ['99-76=23', '23-21=2'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.934028
hs_5
mult_heuristic
[ 66, 13, 32, 81 ]
16
[ "66+13=79", "81-79=2", "32/2=16" ]
Current State: 16:[66, 13, 32, 81], Operations: [] Exploring Operation: 66+13=79, Resulting Numbers: [32, 81, 79] Generated Node #2: [32, 81, 79] from Operation: 66+13=79 Current State: 16:[32, 81, 79], Operations: ['66+13=79'] Exploring Operation: 81-79=2, Resulting Numbers: [32, 2] Generated Node #3: [32, 2] from Operation: 81-79=2 Current State: 16:[32, 2], Operations: ['66+13=79', '81-79=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[66, 13, 32, 81], Operations: [] Exploring Operation: 66-32=34, Resulting Numbers: [13, 81, 34] Generated Node #0,0: 16:[13, 81, 34] Operation: 66-32=34 Exploring Operation: 81-66=15, Resulting Numbers: [13, 32, 15] Generated Node #0,1: 16:[13, 32, 15] Operation: 81-66=15 Moving to Node #0,1 Current State: 16:[13, 32, 15], Operations: ['81-66=15'] Exploring Operation: 32-13=19, Resulting Numbers: [15, 19] Generated Node #0,1,0: 16:[15, 19] Operation: 32-13=19 Exploring Operation: 32-15=17, Resulting Numbers: [13, 17] Generated Node #0,1,1: 16:[13, 17] Operation: 32-15=17 Moving to Node #0,0 Current State: 16:[13, 81, 34], Operations: ['66-32=34'] Exploring Operation: 81-34=47, Resulting Numbers: [13, 47] Generated Node #0,0,0: 16:[13, 47] Operation: 81-34=47 Exploring Operation: 81-13=68, Resulting Numbers: [34, 68] Generated Node #0,0,1: 16:[34, 68] Operation: 81-13=68 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[13, 47], Operations: ['66-32=34', '81-34=47'] Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 13+47=60, Resulting Numbers: [60] 60,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[34, 68], Operations: ['66-32=34', '81-13=68'] Exploring Operation: 68/34=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 16:[15, 19], Operations: ['81-66=15', '32-13=19'] Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[13, 17], Operations: ['81-66=15', '32-15=17'] Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 13+17=30, Resulting Numbers: [30] 30,16 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 77, 35, 76, 38 ]
21
[ "77-35=42", "76/38=2", "42/2=21" ]
Current State: 21:[77, 35, 76, 38], Operations: [] Exploring Operation: 77-35=42, Resulting Numbers: [76, 38, 42] Generated Node #2: [76, 38, 42] from Operation: 77-35=42 Current State: 21:[76, 38, 42], Operations: ['77-35=42'] Exploring Operation: 76/38=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 76/38=2 Current State: 21:[42, 2], Operations: ['77-35=42', '76/38=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[77, 35, 76, 38], Operations: [] Exploring Operation: 77-76=1, Resulting Numbers: [35, 38, 1] Generated Node #0,0: 21:[35, 38, 1] Operation: 77-76=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[35, 38, 1], Operations: ['77-76=1'] Exploring Operation: 38-35=3, Resulting Numbers: [1, 3] Generated Node #0,0,0: 21:[1, 3] Operation: 38-35=3 Moving to Node #0,0,0 Current State: 21:[1, 3], Operations: ['77-76=1', '38-35=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 38, 43, 27, 37 ]
15
[ "43-38=5", "37-27=10", "5+10=15" ]
Current State: 15:[38, 43, 27, 37], Operations: [] Exploring Operation: 43-38=5, Resulting Numbers: [27, 37, 5] Generated Node #2: [27, 37, 5] from Operation: 43-38=5 Current State: 15:[27, 37, 5], Operations: ['43-38=5'] Exploring Operation: 37-27=10, Resulting Numbers: [5, 10] Generated Node #3: [5, 10] from Operation: 37-27=10 Current State: 15:[5, 10], Operations: ['43-38=5', '37-27=10'] Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[38, 43, 27, 37], Operations: [] Exploring Operation: 43-37=6, Resulting Numbers: [38, 27, 6] Generated Node #0,0: 15:[38, 27, 6] Operation: 43-37=6 Exploring Operation: 38-37=1, Resulting Numbers: [43, 27, 1] Generated Node #0,1: 15:[43, 27, 1] Operation: 38-37=1 Exploring Operation: 43-38=5, Resulting Numbers: [27, 37, 5] Generated Node #0,2: 15:[27, 37, 5] Operation: 43-38=5 Moving to Node #0,2 Current State: 15:[27, 37, 5], Operations: ['43-38=5'] Exploring Operation: 27-5=22, Resulting Numbers: [37, 22] Generated Node #0,2,0: 15:[37, 22] Operation: 27-5=22 Exploring Operation: 37-27=10, Resulting Numbers: [5, 10] Generated Node #0,2,1: 15:[5, 10] Operation: 37-27=10 Exploring Operation: 37-5=32, Resulting Numbers: [27, 32] Generated Node #0,2,2: 15:[27, 32] Operation: 37-5=32 Moving to Node #0,0 Current State: 15:[38, 27, 6], Operations: ['43-37=6'] Exploring Operation: 38-6=32, Resulting Numbers: [27, 32] Generated Node #0,0,0: 15:[27, 32] Operation: 38-6=32 Exploring Operation: 27-6=21, Resulting Numbers: [38, 21] Generated Node #0,0,1: 15:[38, 21] Operation: 27-6=21 Exploring Operation: 38-27=11, Resulting Numbers: [6, 11] Generated Node #0,0,2: 15:[6, 11] Operation: 38-27=11 Moving to Node #0,1 Current State: 15:[43, 27, 1], Operations: ['38-37=1'] Exploring Operation: 43-27=16, Resulting Numbers: [1, 16] Generated Node #0,1,0: 15:[1, 16] Operation: 43-27=16 Exploring Operation: 27-1=26, Resulting Numbers: [43, 26] Generated Node #0,1,1: 15:[43, 26] Operation: 27-1=26 Exploring Operation: 43-1=42, Resulting Numbers: [27, 42] Generated Node #0,1,2: 15:[27, 42] Operation: 43-1=42 Moving to Node #0,1,0 Current State: 15:[1, 16], Operations: ['38-37=1', '43-27=16'] Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[38, 43, 27, 37], Operations: [] Exploring Operation: 38-37=1, Resulting Numbers: [43, 27, 1] Generated Node #0,1: 15:[43, 27, 1] Operation: 38-37=1 Moving to Node #0,1 Current State: 15:[43, 27, 1], Operations: ['38-37=1'] Exploring Operation: 43-27=16, Resulting Numbers: [1, 16] Generated Node #0,1,0: 15:[1, 16] Operation: 43-27=16 Moving to Node #0,1,0 Current State: 15:[1, 16], Operations: ['38-37=1', '43-27=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.983507
hs_3
mult_heuristic
[ 21, 89, 27, 24 ]
91
[ "21+27=48", "48/24=2", "89+2=91" ]
Current State: 91:[21, 89, 27, 24], Operations: [] Exploring Operation: 21+27=48, Resulting Numbers: [89, 24, 48] Generated Node #2: [89, 24, 48] from Operation: 21+27=48 Current State: 91:[89, 24, 48], Operations: ['21+27=48'] Exploring Operation: 48/24=2, Resulting Numbers: [89, 2] Generated Node #3: [89, 2] from Operation: 48/24=2 Current State: 91:[89, 2], Operations: ['21+27=48', '48/24=2'] Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[21, 89, 27, 24], Operations: [] Exploring Operation: 24-21=3, Resulting Numbers: [89, 27, 3] Generated Node #0,0: 91:[89, 27, 3] Operation: 24-21=3 Exploring Operation: 27-21=6, Resulting Numbers: [89, 24, 6] Generated Node #0,1: 91:[89, 24, 6] Operation: 27-21=6 Exploring Operation: 21+89=110, Resulting Numbers: [27, 24, 110] Generated Node #0,2: 91:[27, 24, 110] Operation: 21+89=110 Exploring Operation: 27-24=3, Resulting Numbers: [21, 89, 3] Generated Node #0,3: 91:[21, 89, 3] Operation: 27-24=3 Exploring Operation: 89+27=116, Resulting Numbers: [21, 24, 116] Generated Node #0,4: 91:[21, 24, 116] Operation: 89+27=116 Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[89, 24, 6], Operations: ['27-21=6'] Exploring Operation: 24-6=18, Resulting Numbers: [89, 18] Generated Node #0,1,0: 91:[89, 18] Operation: 24-6=18 Exploring Operation: 24+6=30, Resulting Numbers: [89, 30] Generated Node #0,1,1: 91:[89, 30] Operation: 24+6=30 Exploring Operation: 24/6=4, Resulting Numbers: [89, 4] Generated Node #0,1,2: 91:[89, 4] Operation: 24/6=4 Exploring Operation: 89+6=95, Resulting Numbers: [24, 95] Generated Node #0,1,3: 91:[24, 95] Operation: 89+6=95 Exploring Operation: 89-6=83, Resulting Numbers: [24, 83] Generated Node #0,1,4: 91:[24, 83] Operation: 89-6=83 Moving to Node #0,1,2 Current State: 91:[89, 4], Operations: ['27-21=6', '24/6=4'] Exploring Operation: 89+4=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 89*4=356, Resulting Numbers: [356] 356,91 unequal: No Solution Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[89, 18], Operations: ['27-21=6', '24-6=18'] Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 89*18=1602, Resulting Numbers: [1602] 1602,91 unequal: No Solution Exploring Operation: 89+18=107, Resulting Numbers: [107] 107,91 unequal: No Solution Moving to Node #0,1,3 Current State: 91:[24, 95], Operations: ['27-21=6', '89+6=95'] Exploring Operation: 95-24=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 24+95=119, Resulting Numbers: [119] 119,91 unequal: No Solution Exploring Operation: 24*95=2280, Resulting Numbers: [2280] 2280,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[89, 30], Operations: ['27-21=6', '24+6=30'] Exploring Operation: 89*30=2670, Resulting Numbers: [2670] 2670,91 unequal: No Solution Exploring Operation: 89-30=59, Resulting Numbers: [59] 59,91 unequal: No Solution Exploring Operation: 89+30=119, Resulting Numbers: [119] 119,91 unequal: No Solution Moving to Node #0,1,4 Current State: 91:[24, 83], Operations: ['27-21=6', '89-6=83'] Exploring Operation: 83-24=59, Resulting Numbers: [59] 59,91 unequal: No Solution Exploring Operation: 24*83=1992, Resulting Numbers: [1992] 1992,91 unequal: No Solution Exploring Operation: 24+83=107, Resulting Numbers: [107] 107,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 91:[21, 89, 3], Operations: ['27-24=3'] Exploring Operation: 21/3=7, Resulting Numbers: [89, 7] Generated Node #0,3,0: 91:[89, 7] Operation: 21/3=7 Exploring Operation: 89+3=92, Resulting Numbers: [21, 92] Generated Node #0,3,1: 91:[21, 92] Operation: 89+3=92 Exploring Operation: 21+3=24, Resulting Numbers: [89, 24] Generated Node #0,3,2: 91:[89, 24] Operation: 21+3=24 Exploring Operation: 21-3=18, Resulting Numbers: [89, 18] Generated Node #0,3,3: 91:[89, 18] Operation: 21-3=18 Exploring Operation: 89-3=86, Resulting Numbers: [21, 86] Generated Node #0,3,4: 91:[21, 86] Operation: 89-3=86 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 91:[89, 7], Operations: ['27-24=3', '21/3=7'] Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,91 unequal: No Solution Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,91 unequal: No Solution Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,91 unequal: No Solution No 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: 91:[89, 18], Operations: ['27-24=3', '21-3=18'] Exploring Operation: 89+18=107, Resulting Numbers: [107] 107,91 unequal: No Solution Exploring Operation: 89*18=1602, Resulting Numbers: [1602] 1602,91 unequal: No Solution Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,91 unequal: No Solution No 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: 91:[21, 92], Operations: ['27-24=3', '89+3=92'] Exploring Operation: 21*92=1932, Resulting Numbers: [1932] 1932,91 unequal: No Solution Exploring Operation: 92-21=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 21+92=113, Resulting Numbers: [113] 113,91 unequal: No Solution No 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: 91:[89, 24], Operations: ['27-24=3', '21+3=24'] Exploring Operation: 89+24=113, Resulting Numbers: [113] 113,91 unequal: No Solution Exploring Operation: 89*24=2136, Resulting Numbers: [2136] 2136,91 unequal: No Solution Exploring Operation: 89-24=65, Resulting Numbers: [65] 65,91 unequal: No Solution No 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: 91:[21, 86], Operations: ['27-24=3', '89-3=86'] Exploring Operation: 86-21=65, Resulting Numbers: [65] 65,91 unequal: No Solution Exploring Operation: 21*86=1806, Resulting Numbers: [1806] 1806,91 unequal: No Solution Exploring Operation: 21+86=107, Resulting Numbers: [107] 107,91 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: 91:[89, 27, 3], Operations: ['24-21=3'] Exploring Operation: 89-3=86, Resulting Numbers: [27, 86] Generated Node #0,0,0: 91:[27, 86] Operation: 89-3=86 Exploring Operation: 27*3=81, Resulting Numbers: [89, 81] Generated Node #0,0,1: 91:[89, 81] Operation: 27*3=81 Exploring Operation: 27/3=9, Resulting Numbers: [89, 9] Generated Node #0,0,2: 91:[89, 9] Operation: 27/3=9 Exploring Operation: 89+3=92, Resulting Numbers: [27, 92] Generated Node #0,0,3: 91:[27, 92] Operation: 89+3=92 Exploring Operation: 27-3=24, Resulting Numbers: [89, 24] Generated Node #0,0,4: 91:[89, 24] Operation: 27-3=24 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 91:[89, 9], Operations: ['24-21=3', '27/3=9'] Exploring Operation: 89-9=80, Resulting Numbers: [80] 80,91 unequal: No Solution Exploring Operation: 89+9=98, Resulting Numbers: [98] 98,91 unequal: No Solution Exploring Operation: 89*9=801, Resulting Numbers: [801] 801,91 unequal: No Solution No 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: 91:[89, 81], Operations: ['24-21=3', '27*3=81'] Exploring Operation: 89+81=170, Resulting Numbers: [170] 170,91 unequal: No Solution Exploring Operation: 89*81=7209, Resulting Numbers: [7209] 7209,91 unequal: No Solution Exploring Operation: 89-81=8, Resulting Numbers: [8] 8,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 91:[89, 24], Operations: ['24-21=3', '27-3=24'] Exploring Operation: 89*24=2136, Resulting Numbers: [2136] 2136,91 unequal: No Solution Exploring Operation: 89+24=113, Resulting Numbers: [113] 113,91 unequal: No Solution Exploring Operation: 89-24=65, Resulting Numbers: [65] 65,91 unequal: No Solution No 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: 91:[27, 92], Operations: ['24-21=3', '89+3=92'] Exploring Operation: 27*92=2484, Resulting Numbers: [2484] 2484,91 unequal: No Solution Exploring Operation: 27+92=119, Resulting Numbers: [119] 119,91 unequal: No Solution Exploring Operation: 92-27=65, Resulting Numbers: [65] 65,91 unequal: No Solution No 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: 91:[27, 86], Operations: ['24-21=3', '89-3=86'] Exploring Operation: 27*86=2322, Resulting Numbers: [2322] 2322,91 unequal: No Solution Exploring Operation: 86-27=59, Resulting Numbers: [59] 59,91 unequal: No Solution Exploring Operation: 27+86=113, Resulting Numbers: [113] 113,91 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: 91:[27, 24, 110], Operations: ['21+89=110'] Exploring Operation: 27+24=51, Resulting Numbers: [110, 51] Generated Node #0,2,0: 91:[110, 51] Operation: 27+24=51 Exploring Operation: 27-24=3, Resulting Numbers: [110, 3] Generated Node #0,2,1: 91:[110, 3] Operation: 27-24=3 Exploring Operation: 110-24=86, Resulting Numbers: [27, 86] Generated Node #0,2,2: 91:[27, 86] Operation: 110-24=86 Exploring Operation: 27+110=137, Resulting Numbers: [24, 137] Generated Node #0,2,3: 91:[24, 137] Operation: 27+110=137 Exploring Operation: 110-27=83, Resulting Numbers: [24, 83] Generated Node #0,2,4: 91:[24, 83] Operation: 110-27=83 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 91:[27, 86], Operations: ['21+89=110', '110-24=86'] Exploring Operation: 27+86=113, Resulting Numbers: [113] 113,91 unequal: No Solution Exploring Operation: 27*86=2322, Resulting Numbers: [2322] 2322,91 unequal: No Solution Exploring Operation: 86-27=59, Resulting Numbers: [59] 59,91 unequal: No Solution No 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: 91:[24, 83], Operations: ['21+89=110', '110-27=83'] Exploring Operation: 24*83=1992, Resulting Numbers: [1992] 1992,91 unequal: No Solution Exploring Operation: 24+83=107, Resulting Numbers: [107] 107,91 unequal: No Solution Exploring Operation: 83-24=59, Resulting Numbers: [59] 59,91 unequal: No Solution No 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: 91:[110, 3], Operations: ['21+89=110', '27-24=3'] Exploring Operation: 110+3=113, Resulting Numbers: [113] 113,91 unequal: No Solution Exploring Operation: 110-3=107, Resulting Numbers: [107] 107,91 unequal: No Solution Exploring Operation: 110*3=330, Resulting Numbers: [330] 330,91 unequal: No Solution No 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: 91:[110, 51], Operations: ['21+89=110', '27+24=51'] Exploring Operation: 110+51=161, Resulting Numbers: [161] 161,91 unequal: No Solution Exploring Operation: 110*51=5610, Resulting Numbers: [5610] 5610,91 unequal: No Solution Exploring Operation: 110-51=59, Resulting Numbers: [59] 59,91 unequal: No Solution No 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: 91:[24, 137], Operations: ['21+89=110', '27+110=137'] Exploring Operation: 24*137=3288, Resulting Numbers: [3288] 3288,91 unequal: No Solution Exploring Operation: 24+137=161, Resulting Numbers: [161] 161,91 unequal: No Solution Exploring Operation: 137-24=113, Resulting Numbers: [113] 113,91 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: 91:[21, 24, 116], Operations: ['89+27=116'] Exploring Operation: 116-21=95, Resulting Numbers: [24, 95] Generated Node #0,4,0: 91:[24, 95] Operation: 116-21=95 Exploring Operation: 116-24=92, Resulting Numbers: [21, 92] Generated Node #0,4,1: 91:[21, 92] Operation: 116-24=92 Exploring Operation: 21+24=45, Resulting Numbers: [116, 45] Generated Node #0,4,2: 91:[116, 45] Operation: 21+24=45 Exploring Operation: 21+116=137, Resulting Numbers: [24, 137] Generated Node #0,4,3: 91:[24, 137] Operation: 21+116=137 Exploring Operation: 24-21=3, Resulting Numbers: [116, 3] Generated Node #0,4,4: 91:[116, 3] Operation: 24-21=3 Moving to Node #0,4,1 Current State: 91:[21, 92], Operations: ['89+27=116', '116-24=92'] Exploring Operation: 92-21=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 21*92=1932, Resulting Numbers: [1932] 1932,91 unequal: No Solution Exploring Operation: 21+92=113, Resulting Numbers: [113] 113,91 unequal: No Solution Moving to Node #0,4,0 Current State: 91:[24, 95], Operations: ['89+27=116', '116-21=95'] Exploring Operation: 24*95=2280, Resulting Numbers: [2280] 2280,91 unequal: No Solution Exploring Operation: 24+95=119, Resulting Numbers: [119] 119,91 unequal: No Solution Exploring Operation: 95-24=71, Resulting Numbers: [71] 71,91 unequal: No Solution Moving to Node #0,4,4 Current State: 91:[116, 3], Operations: ['89+27=116', '24-21=3'] Exploring Operation: 116-3=113, Resulting Numbers: [113] 113,91 unequal: No Solution Exploring Operation: 116*3=348, Resulting Numbers: [348] 348,91 unequal: No Solution Exploring Operation: 116+3=119, Resulting Numbers: [119] 119,91 unequal: No Solution Moving to Node #0,4,2 Current State: 91:[116, 45], Operations: ['89+27=116', '21+24=45'] Exploring Operation: 116+45=161, Resulting Numbers: [161] 161,91 unequal: No Solution Exploring Operation: 116*45=5220, Resulting Numbers: [5220] 5220,91 unequal: No Solution Exploring Operation: 116-45=71, Resulting Numbers: [71] 71,91 unequal: No Solution Moving to Node #0,4,3 Current State: 91:[24, 137], Operations: ['89+27=116', '21+116=137'] Exploring Operation: 24*137=3288, Resulting Numbers: [3288] 3288,91 unequal: No Solution Exploring Operation: 24+137=161, Resulting Numbers: [161] 161,91 unequal: No Solution Exploring Operation: 137-24=113, Resulting Numbers: [113] 113,91 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
[ 2, 54, 7, 16 ]
72
[ "2+16=18", "7*18=126", "126-54=72" ]
Current State: 72:[2, 54, 7, 16], Operations: [] Exploring Operation: 2+16=18, Resulting Numbers: [54, 7, 18] Generated Node #2: [54, 7, 18] from Operation: 2+16=18 Current State: 72:[54, 7, 18], Operations: ['2+16=18'] Exploring Operation: 7*18=126, Resulting Numbers: [54, 126] Generated Node #3: [54, 126] from Operation: 7*18=126 Current State: 72:[54, 126], Operations: ['2+16=18', '7*18=126'] Exploring Operation: 126-54=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[2, 54, 7, 16], Operations: [] Exploring Operation: 54+16=70, Resulting Numbers: [2, 7, 70] Generated Node #0,0: 72:[2, 7, 70] Operation: 54+16=70 Exploring Operation: 54-16=38, Resulting Numbers: [2, 7, 38] Generated Node #0,1: 72:[2, 7, 38] Operation: 54-16=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[2, 7, 70], Operations: ['54+16=70'] Exploring Operation: 70/7=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 72:[2, 10] Operation: 70/7=10 Exploring Operation: 2+70=72, Resulting Numbers: [7, 72] Generated Node #0,0,1: 72:[7, 72] Operation: 2+70=72 Moving to Node #0,0,0 Current State: 72:[2, 10], Operations: ['54+16=70', '70/7=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,72 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[7, 72], Operations: ['54+16=70', '2+70=72'] Exploring Operation: 7+72=79, Resulting Numbers: [79] 79,72 unequal: No Solution Exploring Operation: 72-7=65, Resulting Numbers: [65] 65,72 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 #0,1 Current State: 72:[2, 7, 38], Operations: ['54-16=38'] Exploring Operation: 38-2=36, Resulting Numbers: [7, 36] Generated Node #0,1,0: 72:[7, 36] Operation: 38-2=36 Exploring Operation: 2+7=9, Resulting Numbers: [38, 9] Generated Node #0,1,1: 72:[38, 9] Operation: 2+7=9 Moving to Node #0,1,0 Current State: 72:[7, 36], Operations: ['54-16=38', '38-2=36'] Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 7+36=43, Resulting Numbers: [43] 43,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[38, 9], Operations: ['54-16=38', '2+7=9'] Exploring Operation: 38+9=47, Resulting Numbers: [47] 47,72 unequal: No Solution Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,72 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
[ 38, 38, 32, 14 ]
33
[ "38+32=70", "70/14=5", "38-5=33" ]
Current State: 33:[38, 38, 32, 14], Operations: [] Exploring Operation: 38+32=70, Resulting Numbers: [14, 70] Generated Node #2: [14, 70] from Operation: 38+32=70 Current State: 33:[14, 70], Operations: ['38+32=70'] Exploring Operation: 70/14=5, Resulting Numbers: [5] 5,33 equal: Goal Reached Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[38, 38, 32, 14], Operations: [] Exploring Operation: 38/38=1, Resulting Numbers: [32, 14, 1] Generated Node #0,0: 33:[32, 14, 1] Operation: 38/38=1 Exploring Operation: 38-38=0, Resulting Numbers: [32, 14, 0] Generated Node #0,1: 33:[32, 14, 0] Operation: 38-38=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[32, 14, 1], Operations: ['38/38=1'] Exploring Operation: 14-1=13, Resulting Numbers: [32, 13] Generated Node #0,0,0: 33:[32, 13] Operation: 14-1=13 Exploring Operation: 32+1=33, Resulting Numbers: [14, 33] Generated Node #0,0,1: 33:[14, 33] Operation: 32+1=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[32, 13], Operations: ['38/38=1', '14-1=13'] Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[14, 33], Operations: ['38/38=1', '32+1=33'] Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 14+33=47, Resulting Numbers: [47] 47,33 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:[32, 14, 0], Operations: ['38-38=0'] Exploring Operation: 32+0=32, Resulting Numbers: [14, 32] Generated Node #0,1,0: 33:[14, 32] Operation: 32+0=32 Exploring Operation: 32-0=32, Resulting Numbers: [14, 32] Generated Node #0,1,1: 33:[14, 32] Operation: 32-0=32 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 33:[14, 32], Operations: ['38-38=0', '32+0=32'] Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,33 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 #0,1,1 Current State: 33:[14, 32], Operations: ['38-38=0', '32-0=32'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,33 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 No solution found.
0
hs_2
sum_heuristic
[ 45, 14, 37, 45 ]
51
[ "45+14=59", "45-37=8", "59-8=51" ]
Current State: 51:[45, 14, 37, 45], Operations: [] Exploring Operation: 45+14=59, Resulting Numbers: [37, 59] Generated Node #2: [37, 59] from Operation: 45+14=59 Current State: 51:[37, 59], Operations: ['45+14=59'] Exploring Operation: 45-37=8, Resulting Numbers: [59, 8] Generated Node #3: [59, 8] from Operation: 45-37=8 Current State: 51:[59, 8], Operations: ['45+14=59', '45-37=8'] Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[45, 14, 37, 45], Operations: [] Exploring Operation: 45-37=8, Resulting Numbers: [14, 45, 8] Generated Node #0,0: 51:[14, 45, 8] Operation: 45-37=8 Exploring Operation: 45/45=1, Resulting Numbers: [14, 37, 1] Generated Node #0,1: 51:[14, 37, 1] Operation: 45/45=1 Exploring Operation: 45-37=8, Resulting Numbers: [45, 14, 8] Generated Node #0,2: 51:[45, 14, 8] Operation: 45-37=8 Exploring Operation: 37-14=23, Resulting Numbers: [45, 45, 23] Generated Node #0,3: 51:[45, 45, 23] Operation: 37-14=23 Exploring Operation: 14+37=51, Resulting Numbers: [45, 45, 51] Generated Node #0,4: 51:[45, 45, 51] Operation: 14+37=51 Start Sub Search at level 1: Moving to Node #0,4 Current State: 51:[45, 45, 51], Operations: ['14+37=51'] Exploring Operation: 51-45=6, Resulting Numbers: [45, 6] Generated Node #0,4,0: 51:[45, 6] Operation: 51-45=6 Exploring Operation: 45+45=90, Resulting Numbers: [51, 90] Generated Node #0,4,1: 51:[51, 90] Operation: 45+45=90 Exploring Operation: 45/45=1, Resulting Numbers: [51, 1] Generated Node #0,4,2: 51:[51, 1] Operation: 45/45=1 Exploring Operation: 45-45=0, Resulting Numbers: [51, 0] Generated Node #0,4,3: 51:[51, 0] Operation: 45-45=0 Exploring Operation: 51-45=6, Resulting Numbers: [45, 6] Generated Node #0,4,4: 51:[45, 6] Operation: 51-45=6 Moving to Node #0,4,2 Current State: 51:[51, 1], Operations: ['14+37=51', '45/45=1'] Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[45, 14, 37, 45], Operations: [] Exploring Operation: 14+37=51, Resulting Numbers: [45, 45, 51] Generated Node #0,4: 51:[45, 45, 51] Operation: 14+37=51 Moving to Node #0,4 Current State: 51:[45, 45, 51], Operations: ['14+37=51'] Exploring Operation: 45/45=1, Resulting Numbers: [51, 1] Generated Node #0,4,2: 51:[51, 1] Operation: 45/45=1 Moving to Node #0,4,2 Current State: 51:[51, 1], Operations: ['14+37=51', '45/45=1'] Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 56, 69, 20, 48 ]
97
[ "56+69=125", "48-20=28", "125-28=97" ]
Current State: 97:[56, 69, 20, 48], Operations: [] Exploring Operation: 56+69=125, Resulting Numbers: [20, 48, 125] Generated Node #2: [20, 48, 125] from Operation: 56+69=125 Current State: 97:[20, 48, 125], Operations: ['56+69=125'] Exploring Operation: 48-20=28, Resulting Numbers: [125, 28] Generated Node #3: [125, 28] from Operation: 48-20=28 Current State: 97:[125, 28], Operations: ['56+69=125', '48-20=28'] Exploring Operation: 125-28=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[56, 69, 20, 48], Operations: [] Exploring Operation: 69+20=89, Resulting Numbers: [56, 48, 89] Generated Node #0,0: 97:[56, 48, 89] Operation: 69+20=89 Exploring Operation: 56+20=76, Resulting Numbers: [69, 48, 76] Generated Node #0,1: 97:[69, 48, 76] Operation: 56+20=76 Exploring Operation: 20+48=68, Resulting Numbers: [56, 69, 68] Generated Node #0,2: 97:[56, 69, 68] Operation: 20+48=68 Moving to Node #0,0 Current State: 97:[56, 48, 89], Operations: ['69+20=89'] Exploring Operation: 48+89=137, Resulting Numbers: [56, 137] Generated Node #0,0,0: 97:[56, 137] Operation: 48+89=137 Exploring Operation: 56-48=8, Resulting Numbers: [89, 8] Generated Node #0,0,1: 97:[89, 8] Operation: 56-48=8 Exploring Operation: 56+48=104, Resulting Numbers: [89, 104] Generated Node #0,0,2: 97:[89, 104] Operation: 56+48=104 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[89, 104], Operations: ['69+20=89', '56+48=104'] Exploring Operation: 104-89=15, Resulting Numbers: [15] 15,97 unequal: No Solution Exploring Operation: 89+104=193, Resulting Numbers: [193] 193,97 unequal: No Solution Exploring Operation: 89*104=9256, Resulting Numbers: [9256] 9256,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[56, 137], Operations: ['69+20=89', '48+89=137'] Exploring Operation: 56*137=7672, Resulting Numbers: [7672] 7672,97 unequal: No Solution Exploring Operation: 137-56=81, Resulting Numbers: [81] 81,97 unequal: No Solution Exploring Operation: 56+137=193, Resulting Numbers: [193] 193,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[89, 8], Operations: ['69+20=89', '56-48=8'] Exploring Operation: 89+8=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[56, 69, 20, 48], Operations: [] Exploring Operation: 69+20=89, Resulting Numbers: [56, 48, 89] Generated Node #0,0: 97:[56, 48, 89] Operation: 69+20=89 Moving to Node #0,0 Current State: 97:[56, 48, 89], Operations: ['69+20=89'] Exploring Operation: 56-48=8, Resulting Numbers: [89, 8] Generated Node #0,0,1: 97:[89, 8] Operation: 56-48=8 Moving to Node #0,0,1 Current State: 97:[89, 8], Operations: ['69+20=89', '56-48=8'] Exploring Operation: 89+8=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 34, 1, 76, 32 ]
77
[ "34-1=33", "76-32=44", "33+44=77" ]
Current State: 77:[34, 1, 76, 32], Operations: [] Exploring Operation: 34-1=33, Resulting Numbers: [76, 32, 33] Generated Node #2: [76, 32, 33] from Operation: 34-1=33 Current State: 77:[76, 32, 33], Operations: ['34-1=33'] Exploring Operation: 76-32=44, Resulting Numbers: [33, 44] Generated Node #3: [33, 44] from Operation: 76-32=44 Current State: 77:[33, 44], Operations: ['34-1=33', '76-32=44'] Exploring Operation: 33+44=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[34, 1, 76, 32], Operations: [] Exploring Operation: 1+76=77, Resulting Numbers: [34, 32, 77] Generated Node #0,0: 77:[34, 32, 77] Operation: 1+76=77 Exploring Operation: 34-32=2, Resulting Numbers: [1, 76, 2] Generated Node #0,1: 77:[1, 76, 2] Operation: 34-32=2 Exploring Operation: 34+32=66, Resulting Numbers: [1, 76, 66] Generated Node #0,2: 77:[1, 76, 66] Operation: 34+32=66 Exploring Operation: 34-1=33, Resulting Numbers: [76, 32, 33] Generated Node #0,3: 77:[76, 32, 33] Operation: 34-1=33 Exploring Operation: 32-1=31, Resulting Numbers: [34, 76, 31] Generated Node #0,4: 77:[34, 76, 31] Operation: 32-1=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[1, 76, 2], Operations: ['34-32=2'] Exploring Operation: 1*2=2, Resulting Numbers: [76, 2] Generated Node #0,1,0: 77:[76, 2] Operation: 1*2=2 Exploring Operation: 76/1=76, Resulting Numbers: [2, 76] Generated Node #0,1,1: 77:[2, 76] Operation: 76/1=76 Exploring Operation: 1+76=77, Resulting Numbers: [2, 77] Generated Node #0,1,2: 77:[2, 77] Operation: 1+76=77 Exploring Operation: 1*76=76, Resulting Numbers: [2, 76] Generated Node #0,1,3: 77:[2, 76] Operation: 1*76=76 Exploring Operation: 1+2=3, Resulting Numbers: [76, 3] Generated Node #0,1,4: 77:[76, 3] Operation: 1+2=3 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 77:[2, 77], Operations: ['34-32=2', '1+76=77'] Exploring Operation: 2*77=154, Resulting Numbers: [154] 154,77 unequal: No Solution Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,77 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,77 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 #0,1,4 Current State: 77:[76, 3], Operations: ['34-32=2', '1+2=3'] Exploring Operation: 76-3=73, Resulting Numbers: [73] 73,77 unequal: No Solution Exploring Operation: 76*3=228, Resulting Numbers: [228] 228,77 unequal: No Solution Exploring Operation: 76+3=79, Resulting Numbers: [79] 79,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 77:[76, 2], Operations: ['34-32=2', '1*2=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,77 unequal: No Solution Exploring Operation: 76*2=152, Resulting Numbers: [152] 152,77 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,77 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:[2, 76], Operations: ['34-32=2', '76/1=76'] Exploring Operation: 2*76=152, Resulting Numbers: [152] 152,77 unequal: No Solution Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,77 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,77 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 #0,1,3 Current State: 77:[2, 76], Operations: ['34-32=2', '1*76=76'] Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,77 unequal: No Solution Exploring Operation: 2*76=152, Resulting Numbers: [152] 152,77 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 77:[1, 76, 66], Operations: ['34+32=66'] Exploring Operation: 1*76=76, Resulting Numbers: [66, 76] Generated Node #0,2,0: 77:[66, 76] Operation: 1*76=76 Exploring Operation: 76/1=76, Resulting Numbers: [66, 76] Generated Node #0,2,1: 77:[66, 76] Operation: 76/1=76 Exploring Operation: 1+76=77, Resulting Numbers: [66, 77] Generated Node #0,2,2: 77:[66, 77] Operation: 1+76=77 Exploring Operation: 76-66=10, Resulting Numbers: [1, 10] Generated Node #0,2,3: 77:[1, 10] Operation: 76-66=10 Exploring Operation: 1+66=67, Resulting Numbers: [76, 67] Generated Node #0,2,4: 77:[76, 67] Operation: 1+66=67 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 77:[1, 10], Operations: ['34+32=66', '76-66=10'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,77 unequal: No Solution Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,77 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,77 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 #0,2,2 Current State: 77:[66, 77], Operations: ['34+32=66', '1+76=77'] Exploring Operation: 66+77=143, Resulting Numbers: [143] 143,77 unequal: No Solution Exploring Operation: 66*77=5082, Resulting Numbers: [5082] 5082,77 unequal: No Solution Exploring Operation: 77-66=11, Resulting Numbers: [11] 11,77 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 #0,2,4 Current State: 77:[76, 67], Operations: ['34+32=66', '1+66=67'] Exploring Operation: 76*67=5092, Resulting Numbers: [5092] 5092,77 unequal: No Solution Exploring Operation: 76-67=9, Resulting Numbers: [9] 9,77 unequal: No Solution Exploring Operation: 76+67=143, Resulting Numbers: [143] 143,77 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 #0,2,0 Current State: 77:[66, 76], Operations: ['34+32=66', '1*76=76'] Exploring Operation: 66*76=5016, Resulting Numbers: [5016] 5016,77 unequal: No Solution Exploring Operation: 76-66=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 66+76=142, Resulting Numbers: [142] 142,77 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 #0,2,1 Current State: 77:[66, 76], Operations: ['34+32=66', '76/1=76'] Exploring Operation: 66+76=142, Resulting Numbers: [142] 142,77 unequal: No Solution Exploring Operation: 66*76=5016, Resulting Numbers: [5016] 5016,77 unequal: No Solution Exploring Operation: 76-66=10, Resulting Numbers: [10] 10,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[34, 32, 77], Operations: ['1+76=77'] Exploring Operation: 34+77=111, Resulting Numbers: [32, 111] Generated Node #0,0,0: 77:[32, 111] Operation: 34+77=111 Exploring Operation: 32+77=109, Resulting Numbers: [34, 109] Generated Node #0,0,1: 77:[34, 109] Operation: 32+77=109 Exploring Operation: 34+32=66, Resulting Numbers: [77, 66] Generated Node #0,0,2: 77:[77, 66] Operation: 34+32=66 Exploring Operation: 34-32=2, Resulting Numbers: [77, 2] Generated Node #0,0,3: 77:[77, 2] Operation: 34-32=2 Exploring Operation: 77-34=43, Resulting Numbers: [32, 43] Generated Node #0,0,4: 77:[32, 43] Operation: 77-34=43 Moving to Node #0,0,3 Current State: 77:[77, 2], Operations: ['1+76=77', '34-32=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,77 unequal: No Solution Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,77 unequal: No Solution Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[77, 66], Operations: ['1+76=77', '34+32=66'] Exploring Operation: 77-66=11, Resulting Numbers: [11] 11,77 unequal: No Solution Exploring Operation: 77+66=143, Resulting Numbers: [143] 143,77 unequal: No Solution Exploring Operation: 77*66=5082, Resulting Numbers: [5082] 5082,77 unequal: No Solution Moving to Node #0,0,4 Current State: 77:[32, 43], Operations: ['1+76=77', '77-34=43'] Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,77 unequal: No Solution Exploring Operation: 32+43=75, Resulting Numbers: [75] 75,77 unequal: No Solution Exploring Operation: 32*43=1376, Resulting Numbers: [1376] 1376,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[32, 111], Operations: ['1+76=77', '34+77=111'] Exploring Operation: 32+111=143, Resulting Numbers: [143] 143,77 unequal: No Solution Exploring Operation: 111-32=79, Resulting Numbers: [79] 79,77 unequal: No Solution Exploring Operation: 32*111=3552, Resulting Numbers: [3552] 3552,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[34, 109], Operations: ['1+76=77', '32+77=109'] Exploring Operation: 34*109=3706, Resulting Numbers: [3706] 3706,77 unequal: No Solution Exploring Operation: 34+109=143, Resulting Numbers: [143] 143,77 unequal: No Solution Exploring Operation: 109-34=75, Resulting Numbers: [75] 75,77 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 #0,3 Current State: 77:[76, 32, 33], Operations: ['34-1=33'] Exploring Operation: 32+33=65, Resulting Numbers: [76, 65] Generated Node #0,3,0: 77:[76, 65] Operation: 32+33=65 Exploring Operation: 76-33=43, Resulting Numbers: [32, 43] Generated Node #0,3,1: 77:[32, 43] Operation: 76-33=43 Exploring Operation: 76+32=108, Resulting Numbers: [33, 108] Generated Node #0,3,2: 77:[33, 108] Operation: 76+32=108 Exploring Operation: 33-32=1, Resulting Numbers: [76, 1] Generated Node #0,3,3: 77:[76, 1] Operation: 33-32=1 Exploring Operation: 76+33=109, Resulting Numbers: [32, 109] Generated Node #0,3,4: 77:[32, 109] Operation: 76+33=109 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 77:[76, 1], Operations: ['34-1=33', '33-32=1'] Exploring Operation: 76+1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[34, 1, 76, 32], Operations: [] Exploring Operation: 34-1=33, Resulting Numbers: [76, 32, 33] Generated Node #0,3: 77:[76, 32, 33] Operation: 34-1=33 Moving to Node #0,3 Current State: 77:[76, 32, 33], Operations: ['34-1=33'] Exploring Operation: 33-32=1, Resulting Numbers: [76, 1] Generated Node #0,3,3: 77:[76, 1] Operation: 33-32=1 Moving to Node #0,3,3 Current State: 77:[76, 1], Operations: ['34-1=33', '33-32=1'] Exploring Operation: 76+1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.931424
hs_5
sum_heuristic
[ 29, 49, 8, 12 ]
98
[ "29+49=78", "8+12=20", "78+20=98" ]
Current State: 98:[29, 49, 8, 12], Operations: [] Exploring Operation: 29+49=78, Resulting Numbers: [8, 12, 78] Generated Node #2: [8, 12, 78] from Operation: 29+49=78 Current State: 98:[8, 12, 78], Operations: ['29+49=78'] Exploring Operation: 8+12=20, Resulting Numbers: [78, 20] Generated Node #3: [78, 20] from Operation: 8+12=20 Current State: 98:[78, 20], Operations: ['29+49=78', '8+12=20'] Exploring Operation: 78+20=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[29, 49, 8, 12], Operations: [] Exploring Operation: 29-12=17, Resulting Numbers: [49, 8, 17] Generated Node #0,0: 98:[49, 8, 17] Operation: 29-12=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[49, 8, 17], Operations: ['29-12=17'] Exploring Operation: 17-8=9, Resulting Numbers: [49, 9] Generated Node #0,0,0: 98:[49, 9] Operation: 17-8=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[49, 9], Operations: ['29-12=17', '17-8=9'] Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,98 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_1
mult_heuristic
[ 71, 18, 19, 14 ]
86
[ "71-18=53", "19+14=33", "53+33=86" ]
Current State: 86:[71, 18, 19, 14], Operations: [] Exploring Operation: 71-18=53, Resulting Numbers: [19, 14, 53] Generated Node #2: [19, 14, 53] from Operation: 71-18=53 Current State: 86:[19, 14, 53], Operations: ['71-18=53'] Exploring Operation: 19+14=33, Resulting Numbers: [53, 33] Generated Node #3: [53, 33] from Operation: 19+14=33 Current State: 86:[53, 33], Operations: ['71-18=53', '19+14=33'] Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[71, 18, 19, 14], Operations: [] Exploring Operation: 19-18=1, Resulting Numbers: [71, 14, 1] Generated Node #0,0: 86:[71, 14, 1] Operation: 19-18=1 Moving to Node #0,0 Current State: 86:[71, 14, 1], Operations: ['19-18=1'] Exploring Operation: 71+14=85, Resulting Numbers: [1, 85] Generated Node #0,0,0: 86:[1, 85] Operation: 71+14=85 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[1, 85], Operations: ['19-18=1', '71+14=85'] Exploring Operation: 1+85=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[71, 18, 19, 14], Operations: [] Exploring Operation: 19-18=1, Resulting Numbers: [71, 14, 1] Generated Node #0,0: 86:[71, 14, 1] Operation: 19-18=1 Moving to Node #0,0 Current State: 86:[71, 14, 1], Operations: ['19-18=1'] Exploring Operation: 71+14=85, Resulting Numbers: [1, 85] Generated Node #0,0,0: 86:[1, 85] Operation: 71+14=85 Moving to Node #0,0,0 Current State: 86:[1, 85], Operations: ['19-18=1', '71+14=85'] Exploring Operation: 1+85=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 86, 26, 68, 84 ]
65
[ "86+84=170", "26*170=4420", "4420/68=65" ]
Current State: 65:[86, 26, 68, 84], Operations: [] Exploring Operation: 86+84=170, Resulting Numbers: [26, 68, 170] Generated Node #2: [26, 68, 170] from Operation: 86+84=170 Current State: 65:[26, 68, 170], Operations: ['86+84=170'] Exploring Operation: 26*170=4420, Resulting Numbers: [68, 4420] Generated Node #3: [68, 4420] from Operation: 26*170=4420 Current State: 65:[68, 4420], Operations: ['86+84=170', '26*170=4420'] Exploring Operation: 4420/68=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[86, 26, 68, 84], Operations: [] Exploring Operation: 84-26=58, Resulting Numbers: [86, 68, 58] Generated Node #0,0: 65:[86, 68, 58] Operation: 84-26=58 Exploring Operation: 86-26=60, Resulting Numbers: [68, 84, 60] Generated Node #0,1: 65:[68, 84, 60] Operation: 86-26=60 Exploring Operation: 84-68=16, Resulting Numbers: [86, 26, 16] Generated Node #0,2: 65:[86, 26, 16] Operation: 84-68=16 Exploring Operation: 86-84=2, Resulting Numbers: [26, 68, 2] Generated Node #0,3: 65:[26, 68, 2] Operation: 86-84=2 Exploring Operation: 86-68=18, Resulting Numbers: [26, 84, 18] Generated Node #0,4: 65:[26, 84, 18] Operation: 86-68=18 Moving to Node #0,3 Current State: 65:[26, 68, 2], Operations: ['86-84=2'] Exploring Operation: 26-2=24, Resulting Numbers: [68, 24] Generated Node #0,3,0: 65:[68, 24] Operation: 26-2=24 Exploring Operation: 68-2=66, Resulting Numbers: [26, 66] Generated Node #0,3,1: 65:[26, 66] Operation: 68-2=66 Exploring Operation: 26*2=52, Resulting Numbers: [68, 52] Generated Node #0,3,2: 65:[68, 52] Operation: 26*2=52 Exploring Operation: 26/2=13, Resulting Numbers: [68, 13] Generated Node #0,3,3: 65:[68, 13] Operation: 26/2=13 Exploring Operation: 26+2=28, Resulting Numbers: [68, 28] Generated Node #0,3,4: 65:[68, 28] Operation: 26+2=28 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 65:[68, 13], Operations: ['86-84=2', '26/2=13'] Exploring Operation: 68+13=81, Resulting Numbers: [81] 81,65 unequal: No Solution Exploring Operation: 68*13=884, Resulting Numbers: [884] 884,65 unequal: No Solution Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 65:[68, 24], Operations: ['86-84=2', '26-2=24'] Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 68*24=1632, Resulting Numbers: [1632] 1632,65 unequal: No Solution Exploring Operation: 68+24=92, Resulting Numbers: [92] 92,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 65:[26, 66], Operations: ['86-84=2', '68-2=66'] Exploring Operation: 26*66=1716, Resulting Numbers: [1716] 1716,65 unequal: No Solution Exploring Operation: 66-26=40, Resulting Numbers: [40] 40,65 unequal: No Solution Exploring Operation: 26+66=92, Resulting Numbers: [92] 92,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 65:[68, 52], Operations: ['86-84=2', '26*2=52'] Exploring Operation: 68-52=16, Resulting Numbers: [16] 16,65 unequal: No Solution Exploring Operation: 68*52=3536, Resulting Numbers: [3536] 3536,65 unequal: No Solution Exploring Operation: 68+52=120, Resulting Numbers: [120] 120,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 65:[68, 28], Operations: ['86-84=2', '26+2=28'] Exploring Operation: 68*28=1904, Resulting Numbers: [1904] 1904,65 unequal: No Solution Exploring Operation: 68-28=40, Resulting Numbers: [40] 40,65 unequal: No Solution Exploring Operation: 68+28=96, Resulting Numbers: [96] 96,65 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: 65:[68, 84, 60], Operations: ['86-26=60'] Exploring Operation: 84-60=24, Resulting Numbers: [68, 24] Generated Node #0,1,0: 65:[68, 24] Operation: 84-60=24 Exploring Operation: 68+60=128, Resulting Numbers: [84, 128] Generated Node #0,1,1: 65:[84, 128] Operation: 68+60=128 Exploring Operation: 84-68=16, Resulting Numbers: [60, 16] Generated Node #0,1,2: 65:[60, 16] Operation: 84-68=16 Exploring Operation: 68-60=8, Resulting Numbers: [84, 8] Generated Node #0,1,3: 65:[84, 8] Operation: 68-60=8 Exploring Operation: 84+60=144, Resulting Numbers: [68, 144] Generated Node #0,1,4: 65:[68, 144] Operation: 84+60=144 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[60, 16], Operations: ['86-26=60', '84-68=16'] Exploring Operation: 60-16=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 60+16=76, Resulting Numbers: [76] 76,65 unequal: No Solution Exploring Operation: 60*16=960, Resulting Numbers: [960] 960,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[68, 24], Operations: ['86-26=60', '84-60=24'] Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 68*24=1632, Resulting Numbers: [1632] 1632,65 unequal: No Solution Exploring Operation: 68+24=92, Resulting Numbers: [92] 92,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 65:[84, 8], Operations: ['86-26=60', '68-60=8'] Exploring Operation: 84*8=672, Resulting Numbers: [672] 672,65 unequal: No Solution Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,65 unequal: No Solution Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[84, 128], Operations: ['86-26=60', '68+60=128'] Exploring Operation: 84*128=10752, Resulting Numbers: [10752] 10752,65 unequal: No Solution Exploring Operation: 128-84=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 84+128=212, Resulting Numbers: [212] 212,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 65:[68, 144], Operations: ['86-26=60', '84+60=144'] Exploring Operation: 68*144=9792, Resulting Numbers: [9792] 9792,65 unequal: No Solution Exploring Operation: 68+144=212, Resulting Numbers: [212] 212,65 unequal: No Solution Exploring Operation: 144-68=76, Resulting Numbers: [76] 76,65 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: 65:[86, 68, 58], Operations: ['84-26=58'] Exploring Operation: 86-68=18, Resulting Numbers: [58, 18] Generated Node #0,0,0: 65:[58, 18] Operation: 86-68=18 Exploring Operation: 68-58=10, Resulting Numbers: [86, 10] Generated Node #0,0,1: 65:[86, 10] Operation: 68-58=10 Exploring Operation: 68+58=126, Resulting Numbers: [86, 126] Generated Node #0,0,2: 65:[86, 126] Operation: 68+58=126 Exploring Operation: 86-58=28, Resulting Numbers: [68, 28] Generated Node #0,0,3: 65:[68, 28] Operation: 86-58=28 Exploring Operation: 86+58=144, Resulting Numbers: [68, 144] Generated Node #0,0,4: 65:[68, 144] Operation: 86+58=144 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[58, 18], Operations: ['84-26=58', '86-68=18'] Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,65 unequal: No Solution Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,65 unequal: No Solution Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 65:[68, 28], Operations: ['84-26=58', '86-58=28'] Exploring Operation: 68+28=96, Resulting Numbers: [96] 96,65 unequal: No Solution Exploring Operation: 68*28=1904, Resulting Numbers: [1904] 1904,65 unequal: No Solution Exploring Operation: 68-28=40, Resulting Numbers: [40] 40,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[86, 10], Operations: ['84-26=58', '68-58=10'] Exploring Operation: 86*10=860, Resulting Numbers: [860] 860,65 unequal: No Solution Exploring Operation: 86-10=76, Resulting Numbers: [76] 76,65 unequal: No Solution Exploring Operation: 86+10=96, Resulting Numbers: [96] 96,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 65:[86, 126], Operations: ['84-26=58', '68+58=126'] Exploring Operation: 86*126=10836, Resulting Numbers: [10836] 10836,65 unequal: No Solution Exploring Operation: 86+126=212, Resulting Numbers: [212] 212,65 unequal: No Solution Exploring Operation: 126-86=40, Resulting Numbers: [40] 40,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 65:[68, 144], Operations: ['84-26=58', '86+58=144'] Exploring Operation: 144-68=76, Resulting Numbers: [76] 76,65 unequal: No Solution Exploring Operation: 68*144=9792, Resulting Numbers: [9792] 9792,65 unequal: No Solution Exploring Operation: 68+144=212, Resulting Numbers: [212] 212,65 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: 65:[86, 26, 16], Operations: ['84-68=16'] Exploring Operation: 86+26=112, Resulting Numbers: [16, 112] Generated Node #0,2,0: 65:[16, 112] Operation: 86+26=112 Exploring Operation: 86-16=70, Resulting Numbers: [26, 70] Generated Node #0,2,1: 65:[26, 70] Operation: 86-16=70 Exploring Operation: 86-26=60, Resulting Numbers: [16, 60] Generated Node #0,2,2: 65:[16, 60] Operation: 86-26=60 Exploring Operation: 26-16=10, Resulting Numbers: [86, 10] Generated Node #0,2,3: 65:[86, 10] Operation: 26-16=10 Exploring Operation: 26+16=42, Resulting Numbers: [86, 42] Generated Node #0,2,4: 65:[86, 42] Operation: 26+16=42 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 65:[16, 60], Operations: ['84-68=16', '86-26=60'] Exploring Operation: 60-16=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 16*60=960, Resulting Numbers: [960] 960,65 unequal: No Solution Exploring Operation: 16+60=76, Resulting Numbers: [76] 76,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 65:[26, 70], Operations: ['84-68=16', '86-16=70'] Exploring Operation: 26*70=1820, Resulting Numbers: [1820] 1820,65 unequal: No Solution Exploring Operation: 26+70=96, Resulting Numbers: [96] 96,65 unequal: No Solution Exploring Operation: 70-26=44, Resulting Numbers: [44] 44,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 65:[86, 10], Operations: ['84-68=16', '26-16=10'] Exploring Operation: 86*10=860, Resulting Numbers: [860] 860,65 unequal: No Solution Exploring Operation: 86-10=76, Resulting Numbers: [76] 76,65 unequal: No Solution Exploring Operation: 86+10=96, Resulting Numbers: [96] 96,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 65:[86, 42], Operations: ['84-68=16', '26+16=42'] Exploring Operation: 86*42=3612, Resulting Numbers: [3612] 3612,65 unequal: No Solution Exploring Operation: 86+42=128, Resulting Numbers: [128] 128,65 unequal: No Solution Exploring Operation: 86-42=44, Resulting Numbers: [44] 44,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 65:[16, 112], Operations: ['84-68=16', '86+26=112'] Exploring Operation: 112-16=96, Resulting Numbers: [96] 96,65 unequal: No Solution Exploring Operation: 112/16=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 16+112=128, Resulting Numbers: [128] 128,65 unequal: No Solution Exploring Operation: 16*112=1792, Resulting Numbers: [1792] 1792,65 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: 65:[26, 84, 18], Operations: ['86-68=18'] Exploring Operation: 26+18=44, Resulting Numbers: [84, 44] Generated Node #0,4,0: 65:[84, 44] Operation: 26+18=44 Exploring Operation: 26+84=110, Resulting Numbers: [18, 110] Generated Node #0,4,1: 65:[18, 110] Operation: 26+84=110 Exploring Operation: 84-26=58, Resulting Numbers: [18, 58] Generated Node #0,4,2: 65:[18, 58] Operation: 84-26=58 Exploring Operation: 84-18=66, Resulting Numbers: [26, 66] Generated Node #0,4,3: 65:[26, 66] Operation: 84-18=66 Exploring Operation: 26-18=8, Resulting Numbers: [84, 8] Generated Node #0,4,4: 65:[84, 8] Operation: 26-18=8 Moving to Node #0,4,2 Current State: 65:[18, 58], Operations: ['86-68=18', '84-26=58'] Exploring Operation: 18*58=1044, Resulting Numbers: [1044] 1044,65 unequal: No Solution Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,65 unequal: No Solution Exploring Operation: 18+58=76, Resulting Numbers: [76] 76,65 unequal: No Solution Moving to Node #0,4,3 Current State: 65:[26, 66], Operations: ['86-68=18', '84-18=66'] Exploring Operation: 26+66=92, Resulting Numbers: [92] 92,65 unequal: No Solution Exploring Operation: 26*66=1716, Resulting Numbers: [1716] 1716,65 unequal: No Solution Exploring Operation: 66-26=40, Resulting Numbers: [40] 40,65 unequal: No Solution Moving to Node #0,4,4 Current State: 65:[84, 8], Operations: ['86-68=18', '26-18=8'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,65 unequal: No Solution Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,65 unequal: No Solution Exploring Operation: 84*8=672, Resulting Numbers: [672] 672,65 unequal: No Solution Moving to Node #0,4,0 Current State: 65:[84, 44], Operations: ['86-68=18', '26+18=44'] Exploring Operation: 84+44=128, Resulting Numbers: [128] 128,65 unequal: No Solution Exploring Operation: 84*44=3696, Resulting Numbers: [3696] 3696,65 unequal: No Solution Exploring Operation: 84-44=40, Resulting Numbers: [40] 40,65 unequal: No Solution Moving to Node #0,4,1 Current State: 65:[18, 110], Operations: ['86-68=18', '26+84=110'] Exploring Operation: 110-18=92, Resulting Numbers: [92] 92,65 unequal: No Solution Exploring Operation: 18+110=128, Resulting Numbers: [128] 128,65 unequal: No Solution Exploring Operation: 18*110=1980, Resulting Numbers: [1980] 1980,65 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 82, 87, 62, 5 ]
72
[ "87-82=5", "62+5=67", "5+67=72" ]
Current State: 72:[82, 87, 62, 5], Operations: [] Exploring Operation: 87-82=5, Resulting Numbers: [62, 5, 5] Generated Node #2: [62, 5, 5] from Operation: 87-82=5 Current State: 72:[62, 5, 5], Operations: ['87-82=5'] Exploring Operation: 62+5=67, Resulting Numbers: [67] 67,72 equal: Goal Reached Exploring Operation: 5+67=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[82, 87, 62, 5], Operations: [] Exploring Operation: 87-62=25, Resulting Numbers: [82, 5, 25] Generated Node #0,0: 72:[82, 5, 25] Operation: 87-62=25 Exploring Operation: 87-82=5, Resulting Numbers: [62, 5, 5] Generated Node #0,1: 72:[62, 5, 5] Operation: 87-82=5 Exploring Operation: 82-62=20, Resulting Numbers: [87, 5, 20] Generated Node #0,2: 72:[87, 5, 20] Operation: 82-62=20 Exploring Operation: 87-5=82, Resulting Numbers: [82, 62, 82] Generated Node #0,3: 72:[82, 62, 82] Operation: 87-5=82 Exploring Operation: 82-5=77, Resulting Numbers: [87, 62, 77] Generated Node #0,4: 72:[87, 62, 77] Operation: 82-5=77 Moving to Node #0,0 Current State: 72:[82, 5, 25], Operations: ['87-62=25'] Exploring Operation: 82-25=57, Resulting Numbers: [5, 57] Generated Node #0,0,0: 72:[5, 57] Operation: 82-25=57 Exploring Operation: 82+5=87, Resulting Numbers: [25, 87] Generated Node #0,0,1: 72:[25, 87] Operation: 82+5=87 Exploring Operation: 82-5=77, Resulting Numbers: [25, 77] Generated Node #0,0,2: 72:[25, 77] Operation: 82-5=77 Exploring Operation: 25/5=5, Resulting Numbers: [82, 5] Generated Node #0,0,3: 72:[82, 5] Operation: 25/5=5 Exploring Operation: 25-5=20, Resulting Numbers: [82, 20] Generated Node #0,0,4: 72:[82, 20] Operation: 25-5=20 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 72:[25, 77], Operations: ['87-62=25', '82-5=77'] Exploring Operation: 25*77=1925, Resulting Numbers: [1925] 1925,72 unequal: No Solution Exploring Operation: 25+77=102, Resulting Numbers: [102] 102,72 unequal: No Solution Exploring Operation: 77-25=52, Resulting Numbers: [52] 52,72 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 #0,0,3 Current State: 72:[82, 5], Operations: ['87-62=25', '25/5=5'] Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,72 unequal: No Solution Exploring Operation: 82*5=410, Resulting Numbers: [410] 410,72 unequal: No Solution Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,72 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 #0,0,4 Current State: 72:[82, 20], Operations: ['87-62=25', '25-5=20'] Exploring Operation: 82+20=102, Resulting Numbers: [102] 102,72 unequal: No Solution Exploring Operation: 82-20=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 82*20=1640, Resulting Numbers: [1640] 1640,72 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:[5, 57], Operations: ['87-62=25', '82-25=57'] Exploring Operation: 5+57=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 5*57=285, Resulting Numbers: [285] 285,72 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,72 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:[25, 87], Operations: ['87-62=25', '82+5=87'] Exploring Operation: 25*87=2175, Resulting Numbers: [2175] 2175,72 unequal: No Solution Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 25+87=112, Resulting Numbers: [112] 112,72 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: 72:[62, 5, 5], Operations: ['87-82=5'] Exploring Operation: 5*5=25, Resulting Numbers: [62, 25] Generated Node #0,1,0: 72:[62, 25] Operation: 5*5=25 Exploring Operation: 5/5=1, Resulting Numbers: [62, 1] Generated Node #0,1,1: 72:[62, 1] Operation: 5/5=1 Exploring Operation: 62+5=67, Resulting Numbers: [5, 67] Generated Node #0,1,2: 72:[5, 67] Operation: 62+5=67 Exploring Operation: 62+5=67, Resulting Numbers: [5, 67] Generated Node #0,1,3: 72:[5, 67] Operation: 62+5=67 Exploring Operation: 5+5=10, Resulting Numbers: [62, 10] Generated Node #0,1,4: 72:[62, 10] Operation: 5+5=10 Moving to Node #0,2 Current State: 72:[87, 5, 20], Operations: ['82-62=20'] Exploring Operation: 20-5=15, Resulting Numbers: [87, 15] Generated Node #0,2,0: 72:[87, 15] Operation: 20-5=15 Exploring Operation: 5+20=25, Resulting Numbers: [87, 25] Generated Node #0,2,1: 72:[87, 25] Operation: 5+20=25 Exploring Operation: 20/5=4, Resulting Numbers: [87, 4] Generated Node #0,2,2: 72:[87, 4] Operation: 20/5=4 Exploring Operation: 87-5=82, Resulting Numbers: [20, 82] Generated Node #0,2,3: 72:[20, 82] Operation: 87-5=82 Exploring Operation: 87-20=67, Resulting Numbers: [5, 67] Generated Node #0,2,4: 72:[5, 67] Operation: 87-20=67 Moving to Node #0,3 Current State: 72:[82, 62, 82], Operations: ['87-5=82'] Exploring Operation: 82-62=20, Resulting Numbers: [82, 20] Generated Node #0,3,0: 72:[82, 20] Operation: 82-62=20 Exploring Operation: 82-62=20, Resulting Numbers: [82, 20] Generated Node #0,3,1: 72:[82, 20] Operation: 82-62=20 Exploring Operation: 82+62=144, Resulting Numbers: [82, 144] Generated Node #0,3,2: 72:[82, 144] Operation: 82+62=144 Exploring Operation: 82/82=1, Resulting Numbers: [62, 1] Generated Node #0,3,3: 72:[62, 1] Operation: 82/82=1 Exploring Operation: 82-82=0, Resulting Numbers: [62, 0] Generated Node #0,3,4: 72:[62, 0] Operation: 82-82=0 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 72:[62, 1], Operations: ['87-5=82', '82/82=1'] Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 62*1=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,72 unequal: No Solution Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,72 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 #0,3,0 Current State: 72:[82, 20], Operations: ['87-5=82', '82-62=20'] Exploring Operation: 82+20=102, Resulting Numbers: [102] 102,72 unequal: No Solution Exploring Operation: 82-20=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 82*20=1640, Resulting Numbers: [1640] 1640,72 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 #0,3,1 Current State: 72:[82, 20], Operations: ['87-5=82', '82-62=20'] Exploring Operation: 82-20=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 82*20=1640, Resulting Numbers: [1640] 1640,72 unequal: No Solution Exploring Operation: 82+20=102, Resulting Numbers: [102] 102,72 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 #0,3,4 Current State: 72:[62, 0], Operations: ['87-5=82', '82-82=0'] Exploring Operation: 62+0=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 62*0=0, Resulting Numbers: [0] 0,72 unequal: No Solution Exploring Operation: 62-0=62, Resulting Numbers: [62] 62,72 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 #0,3,2 Current State: 72:[82, 144], Operations: ['87-5=82', '82+62=144'] Exploring Operation: 144-82=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 82+144=226, Resulting Numbers: [226] 226,72 unequal: No Solution Exploring Operation: 82*144=11808, Resulting Numbers: [11808] 11808,72 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: 72:[87, 62, 77], Operations: ['82-5=77'] Exploring Operation: 62+77=139, Resulting Numbers: [87, 139] Generated Node #0,4,0: 72:[87, 139] Operation: 62+77=139 Exploring Operation: 87-77=10, Resulting Numbers: [62, 10] Generated Node #0,4,1: 72:[62, 10] Operation: 87-77=10 Exploring Operation: 77-62=15, Resulting Numbers: [87, 15] Generated Node #0,4,2: 72:[87, 15] Operation: 77-62=15 Exploring Operation: 87+62=149, Resulting Numbers: [77, 149] Generated Node #0,4,3: 72:[77, 149] Operation: 87+62=149 Exploring Operation: 87-62=25, Resulting Numbers: [77, 25] Generated Node #0,4,4: 72:[77, 25] Operation: 87-62=25 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 72:[77, 25], Operations: ['82-5=77', '87-62=25'] Exploring Operation: 77+25=102, Resulting Numbers: [102] 102,72 unequal: No Solution Exploring Operation: 77-25=52, Resulting Numbers: [52] 52,72 unequal: No Solution Exploring Operation: 77*25=1925, Resulting Numbers: [1925] 1925,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 72:[62, 10], Operations: ['82-5=77', '87-77=10'] Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,72 unequal: No Solution Exploring Operation: 62+10=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[82, 87, 62, 5], Operations: [] Exploring Operation: 82-5=77, Resulting Numbers: [87, 62, 77] Generated Node #0,4: 72:[87, 62, 77] Operation: 82-5=77 Moving to Node #0,4 Current State: 72:[87, 62, 77], Operations: ['82-5=77'] Exploring Operation: 87-77=10, Resulting Numbers: [62, 10] Generated Node #0,4,1: 72:[62, 10] Operation: 87-77=10 Moving to Node #0,4,1 Current State: 72:[62, 10], Operations: ['82-5=77', '87-77=10'] Exploring Operation: 62+10=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.939236
hs_5
sum_heuristic
[ 62, 98, 42, 28 ]
39
[ "62*28=1736", "1736-98=1638", "1638/42=39" ]
Current State: 39:[62, 98, 42, 28], Operations: [] Exploring Operation: 62*28=1736, Resulting Numbers: [98, 42, 1736] Generated Node #2: [98, 42, 1736] from Operation: 62*28=1736 Current State: 39:[98, 42, 1736], Operations: ['62*28=1736'] Exploring Operation: 1736-98=1638, Resulting Numbers: [42, 1638] Generated Node #3: [42, 1638] from Operation: 1736-98=1638 Current State: 39:[42, 1638], Operations: ['62*28=1736', '1736-98=1638'] Exploring Operation: 1638/42=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[62, 98, 42, 28], Operations: [] Exploring Operation: 98-42=56, Resulting Numbers: [62, 28, 56] Generated Node #0,0: 39:[62, 28, 56] Operation: 98-42=56 Exploring Operation: 98-28=70, Resulting Numbers: [62, 42, 70] Generated Node #0,1: 39:[62, 42, 70] Operation: 98-28=70 Exploring Operation: 98-62=36, Resulting Numbers: [42, 28, 36] Generated Node #0,2: 39:[42, 28, 36] Operation: 98-62=36 Exploring Operation: 62-28=34, Resulting Numbers: [98, 42, 34] Generated Node #0,3: 39:[98, 42, 34] Operation: 62-28=34 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[42, 28, 36], Operations: ['98-62=36'] Exploring Operation: 36-28=8, Resulting Numbers: [42, 8] Generated Node #0,2,0: 39:[42, 8] Operation: 36-28=8 Exploring Operation: 28+36=64, Resulting Numbers: [42, 64] Generated Node #0,2,1: 39:[42, 64] Operation: 28+36=64 Exploring Operation: 42-28=14, Resulting Numbers: [36, 14] Generated Node #0,2,2: 39:[36, 14] Operation: 42-28=14 Exploring Operation: 42-36=6, Resulting Numbers: [28, 6] Generated Node #0,2,3: 39:[28, 6] Operation: 42-36=6 Moving to Node #0,2,2 Current State: 39:[36, 14], Operations: ['98-62=36', '42-28=14'] Exploring Operation: 36+14=50, Resulting Numbers: [50] 50,39 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 36*14=504, Resulting Numbers: [504] 504,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[42, 8], Operations: ['98-62=36', '36-28=8'] Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,39 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,39 unequal: No Solution Exploring Operation: 42*8=336, Resulting Numbers: [336] 336,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[28, 6], Operations: ['98-62=36', '42-36=6'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,39 unequal: No Solution Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[42, 64], Operations: ['98-62=36', '28+36=64'] Exploring Operation: 42*64=2688, Resulting Numbers: [2688] 2688,39 unequal: No Solution Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 42+64=106, Resulting Numbers: [106] 106,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[62, 28, 56], Operations: ['98-42=56'] Exploring Operation: 62-56=6, Resulting Numbers: [28, 6] Generated Node #0,0,0: 39:[28, 6] Operation: 62-56=6 Exploring Operation: 62-28=34, Resulting Numbers: [56, 34] Generated Node #0,0,1: 39:[56, 34] Operation: 62-28=34 Exploring Operation: 56-28=28, Resulting Numbers: [62, 28] Generated Node #0,0,2: 39:[62, 28] Operation: 56-28=28 Exploring Operation: 56/28=2, Resulting Numbers: [62, 2] Generated Node #0,0,3: 39:[62, 2] Operation: 56/28=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[28, 6], Operations: ['98-42=56', '62-56=6'] Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,39 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 39:[56, 34], Operations: ['98-42=56', '62-28=34'] Exploring Operation: 56+34=90, Resulting Numbers: [90] 90,39 unequal: No Solution Exploring Operation: 56*34=1904, Resulting Numbers: [1904] 1904,39 unequal: No Solution Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 39:[62, 2], Operations: ['98-42=56', '56/28=2'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,39 unequal: No Solution Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,39 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[62, 28], Operations: ['98-42=56', '56-28=28'] Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,39 unequal: No Solution Exploring Operation: 62+28=90, Resulting Numbers: [90] 90,39 unequal: No Solution Exploring Operation: 62*28=1736, Resulting Numbers: [1736] 1736,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[62, 42, 70], Operations: ['98-28=70'] Exploring Operation: 62-42=20, Resulting Numbers: [70, 20] Generated Node #0,1,0: 39:[70, 20] Operation: 62-42=20 Exploring Operation: 70-42=28, Resulting Numbers: [62, 28] Generated Node #0,1,1: 39:[62, 28] Operation: 70-42=28 Exploring Operation: 62+42=104, Resulting Numbers: [70, 104] Generated Node #0,1,2: 39:[70, 104] Operation: 62+42=104 Exploring Operation: 70-62=8, Resulting Numbers: [42, 8] Generated Node #0,1,3: 39:[42, 8] Operation: 70-62=8 Moving to Node #0,1,3 Current State: 39:[42, 8], Operations: ['98-28=70', '70-62=8'] Exploring Operation: 42*8=336, Resulting Numbers: [336] 336,39 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,39 unequal: No Solution Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[62, 28], Operations: ['98-28=70', '70-42=28'] Exploring Operation: 62+28=90, Resulting Numbers: [90] 90,39 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,39 unequal: No Solution Exploring Operation: 62*28=1736, Resulting Numbers: [1736] 1736,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[70, 20], Operations: ['98-28=70', '62-42=20'] Exploring Operation: 70+20=90, Resulting Numbers: [90] 90,39 unequal: No Solution Exploring Operation: 70*20=1400, Resulting Numbers: [1400] 1400,39 unequal: No Solution Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[70, 104], Operations: ['98-28=70', '62+42=104'] Exploring Operation: 70*104=7280, Resulting Numbers: [7280] 7280,39 unequal: No Solution Exploring Operation: 104-70=34, Resulting Numbers: [34] 34,39 unequal: No Solution Exploring Operation: 70+104=174, Resulting Numbers: [174] 174,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[98, 42, 34], Operations: ['62-28=34'] Exploring Operation: 98-34=64, Resulting Numbers: [42, 64] Generated Node #0,3,0: 39:[42, 64] Operation: 98-34=64 Exploring Operation: 42-34=8, Resulting Numbers: [98, 8] Generated Node #0,3,1: 39:[98, 8] Operation: 42-34=8 Exploring Operation: 98-42=56, Resulting Numbers: [34, 56] Generated Node #0,3,2: 39:[34, 56] Operation: 98-42=56 Exploring Operation: 98+34=132, Resulting Numbers: [42, 132] Generated Node #0,3,3: 39:[42, 132] Operation: 98+34=132 Moving to Node #0,3,2 Current State: 39:[34, 56], Operations: ['62-28=34', '98-42=56'] Exploring Operation: 34*56=1904, Resulting Numbers: [1904] 1904,39 unequal: No Solution Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 34+56=90, Resulting Numbers: [90] 90,39 unequal: No Solution Moving to Node #0,3,0 Current State: 39:[42, 64], Operations: ['62-28=34', '98-34=64'] Exploring Operation: 42+64=106, Resulting Numbers: [106] 106,39 unequal: No Solution Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,39 unequal: No Solution Exploring Operation: 42*64=2688, Resulting Numbers: [2688] 2688,39 unequal: No Solution Moving to Node #0,3,1 Current State: 39:[98, 8], Operations: ['62-28=34', '42-34=8'] Exploring Operation: 98-8=90, Resulting Numbers: [90] 90,39 unequal: No Solution Exploring Operation: 98+8=106, Resulting Numbers: [106] 106,39 unequal: No Solution Exploring Operation: 98*8=784, Resulting Numbers: [784] 784,39 unequal: No Solution Moving to Node #0,3,3 Current State: 39:[42, 132], Operations: ['62-28=34', '98+34=132'] Exploring Operation: 42+132=174, Resulting Numbers: [174] 174,39 unequal: No Solution Exploring Operation: 132-42=90, Resulting Numbers: [90] 90,39 unequal: No Solution Exploring Operation: 42*132=5544, Resulting Numbers: [5544] 5544,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 5, 92, 99, 63 ]
88
[ "99-63=36", "5*36=180", "180-92=88" ]
Current State: 88:[5, 92, 99, 63], Operations: [] Exploring Operation: 99-63=36, Resulting Numbers: [5, 92, 36] Generated Node #2: [5, 92, 36] from Operation: 99-63=36 Current State: 88:[5, 92, 36], Operations: ['99-63=36'] Exploring Operation: 5*36=180, Resulting Numbers: [92, 180] Generated Node #3: [92, 180] from Operation: 5*36=180 Current State: 88:[92, 180], Operations: ['99-63=36', '5*36=180'] Exploring Operation: 180-92=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[5, 92, 99, 63], Operations: [] Exploring Operation: 99-5=94, Resulting Numbers: [92, 63, 94] Generated Node #0,0: 88:[92, 63, 94] Operation: 99-5=94 Exploring Operation: 99-92=7, Resulting Numbers: [5, 63, 7] Generated Node #0,1: 88:[5, 63, 7] Operation: 99-92=7 Exploring Operation: 99-63=36, Resulting Numbers: [5, 92, 36] Generated Node #0,2: 88:[5, 92, 36] Operation: 99-63=36 Exploring Operation: 63-5=58, Resulting Numbers: [92, 99, 58] Generated Node #0,3: 88:[92, 99, 58] Operation: 63-5=58 Exploring Operation: 92-63=29, Resulting Numbers: [5, 99, 29] Generated Node #0,4: 88:[5, 99, 29] Operation: 92-63=29 Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[5, 92, 36], Operations: ['99-63=36'] Exploring Operation: 92-5=87, Resulting Numbers: [36, 87] Generated Node #0,2,0: 88:[36, 87] Operation: 92-5=87 Exploring Operation: 5+36=41, Resulting Numbers: [92, 41] Generated Node #0,2,1: 88:[92, 41] Operation: 5+36=41 Exploring Operation: 92-36=56, Resulting Numbers: [5, 56] Generated Node #0,2,2: 88:[5, 56] Operation: 92-36=56 Exploring Operation: 36-5=31, Resulting Numbers: [92, 31] Generated Node #0,2,3: 88:[92, 31] Operation: 36-5=31 Exploring Operation: 5+92=97, Resulting Numbers: [36, 97] Generated Node #0,2,4: 88:[36, 97] Operation: 5+92=97 Moving to Node #0,2,1 Current State: 88:[92, 41], Operations: ['99-63=36', '5+36=41'] Exploring Operation: 92-41=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 92*41=3772, Resulting Numbers: [3772] 3772,88 unequal: No Solution Exploring Operation: 92+41=133, Resulting Numbers: [133] 133,88 unequal: No Solution Moving to Node #0,2,0 Current State: 88:[36, 87], Operations: ['99-63=36', '92-5=87'] Exploring Operation: 87-36=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 36+87=123, Resulting Numbers: [123] 123,88 unequal: No Solution Exploring Operation: 36*87=3132, Resulting Numbers: [3132] 3132,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[5, 56], Operations: ['99-63=36', '92-36=56'] Exploring Operation: 5*56=280, Resulting Numbers: [280] 280,88 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 5+56=61, Resulting Numbers: [61] 61,88 unequal: No Solution Moving to Node #0,2,3 Current State: 88:[92, 31], Operations: ['99-63=36', '36-5=31'] Exploring Operation: 92-31=61, Resulting Numbers: [61] 61,88 unequal: No Solution Exploring Operation: 92*31=2852, Resulting Numbers: [2852] 2852,88 unequal: No Solution Exploring Operation: 92+31=123, Resulting Numbers: [123] 123,88 unequal: No Solution Moving to Node #0,2,4 Current State: 88:[36, 97], Operations: ['99-63=36', '5+92=97'] Exploring Operation: 97-36=61, Resulting Numbers: [61] 61,88 unequal: No Solution Exploring Operation: 36*97=3492, Resulting Numbers: [3492] 3492,88 unequal: No Solution Exploring Operation: 36+97=133, Resulting Numbers: [133] 133,88 unequal: No Solution No 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: 88:[5, 99, 29], Operations: ['92-63=29'] Exploring Operation: 5+99=104, Resulting Numbers: [29, 104] Generated Node #0,4,0: 88:[29, 104] Operation: 5+99=104 Exploring Operation: 99-29=70, Resulting Numbers: [5, 70] Generated Node #0,4,1: 88:[5, 70] Operation: 99-29=70 Exploring Operation: 29-5=24, Resulting Numbers: [99, 24] Generated Node #0,4,2: 88:[99, 24] Operation: 29-5=24 Exploring Operation: 5+29=34, Resulting Numbers: [99, 34] Generated Node #0,4,3: 88:[99, 34] Operation: 5+29=34 Exploring Operation: 99-5=94, Resulting Numbers: [29, 94] Generated Node #0,4,4: 88:[29, 94] Operation: 99-5=94 Moving to Node #0,4,2 Current State: 88:[99, 24], Operations: ['92-63=29', '29-5=24'] Exploring Operation: 99*24=2376, Resulting Numbers: [2376] 2376,88 unequal: No Solution Exploring Operation: 99-24=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 99+24=123, Resulting Numbers: [123] 123,88 unequal: No Solution Moving to Node #0,4,4 Current State: 88:[29, 94], Operations: ['92-63=29', '99-5=94'] Exploring Operation: 94-29=65, Resulting Numbers: [65] 65,88 unequal: No Solution Exploring Operation: 29*94=2726, Resulting Numbers: [2726] 2726,88 unequal: No Solution Exploring Operation: 29+94=123, Resulting Numbers: [123] 123,88 unequal: No Solution Moving to Node #0,4,1 Current State: 88:[5, 70], Operations: ['92-63=29', '99-29=70'] Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,88 unequal: No Solution Exploring Operation: 5+70=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 5*70=350, Resulting Numbers: [350] 350,88 unequal: No Solution Moving to Node #0,4,3 Current State: 88:[99, 34], Operations: ['92-63=29', '5+29=34'] Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,88 unequal: No Solution Exploring Operation: 99*34=3366, Resulting Numbers: [3366] 3366,88 unequal: No Solution Exploring Operation: 99+34=133, Resulting Numbers: [133] 133,88 unequal: No Solution Moving to Node #0,4,0 Current State: 88:[29, 104], Operations: ['92-63=29', '5+99=104'] Exploring Operation: 29*104=3016, Resulting Numbers: [3016] 3016,88 unequal: No Solution Exploring Operation: 104-29=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 29+104=133, Resulting Numbers: [133] 133,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[5, 63, 7], Operations: ['99-92=7'] Exploring Operation: 63+7=70, Resulting Numbers: [5, 70] Generated Node #0,1,0: 88:[5, 70] Operation: 63+7=70 Exploring Operation: 63-5=58, Resulting Numbers: [7, 58] Generated Node #0,1,1: 88:[7, 58] Operation: 63-5=58 Exploring Operation: 63/7=9, Resulting Numbers: [5, 9] Generated Node #0,1,2: 88:[5, 9] Operation: 63/7=9 Exploring Operation: 7-5=2, Resulting Numbers: [63, 2] Generated Node #0,1,3: 88:[63, 2] Operation: 7-5=2 Exploring Operation: 63-7=56, Resulting Numbers: [5, 56] Generated Node #0,1,4: 88:[5, 56] Operation: 63-7=56 Moving to Node #0,1,2 Current State: 88:[5, 9], Operations: ['99-92=7', '63/7=9'] Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,88 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,88 unequal: No Solution Moving to Node #0,1,4 Current State: 88:[5, 56], Operations: ['99-92=7', '63-7=56'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 5*56=280, Resulting Numbers: [280] 280,88 unequal: No Solution Exploring Operation: 5+56=61, Resulting Numbers: [61] 61,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[7, 58], Operations: ['99-92=7', '63-5=58'] Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 7*58=406, Resulting Numbers: [406] 406,88 unequal: No Solution Exploring Operation: 7+58=65, Resulting Numbers: [65] 65,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[5, 70], Operations: ['99-92=7', '63+7=70'] Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,88 unequal: No Solution Exploring Operation: 5*70=350, Resulting Numbers: [350] 350,88 unequal: No Solution Exploring Operation: 5+70=75, Resulting Numbers: [75] 75,88 unequal: No Solution Moving to Node #0,1,3 Current State: 88:[63, 2], Operations: ['99-92=7', '7-5=2'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,88 unequal: No Solution Exploring Operation: 63*2=126, Resulting Numbers: [126] 126,88 unequal: No Solution Exploring Operation: 63+2=65, Resulting Numbers: [65] 65,88 unequal: No Solution No 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: 88:[92, 63, 94], Operations: ['99-5=94'] Exploring Operation: 94-92=2, Resulting Numbers: [63, 2] Generated Node #0,0,0: 88:[63, 2] Operation: 94-92=2 Exploring Operation: 63+94=157, Resulting Numbers: [92, 157] Generated Node #0,0,1: 88:[92, 157] Operation: 63+94=157 Exploring Operation: 92+63=155, Resulting Numbers: [94, 155] Generated Node #0,0,2: 88:[94, 155] Operation: 92+63=155 Exploring Operation: 92-63=29, Resulting Numbers: [94, 29] Generated Node #0,0,3: 88:[94, 29] Operation: 92-63=29 Exploring Operation: 94-63=31, Resulting Numbers: [92, 31] Generated Node #0,0,4: 88:[92, 31] Operation: 94-63=31 Moving to Node #0,0,3 Current State: 88:[94, 29], Operations: ['99-5=94', '92-63=29'] Exploring Operation: 94*29=2726, Resulting Numbers: [2726] 2726,88 unequal: No Solution Exploring Operation: 94-29=65, Resulting Numbers: [65] 65,88 unequal: No Solution Exploring Operation: 94+29=123, Resulting Numbers: [123] 123,88 unequal: No Solution Moving to Node #0,0,4 Current State: 88:[92, 31], Operations: ['99-5=94', '94-63=31'] Exploring Operation: 92+31=123, Resulting Numbers: [123] 123,88 unequal: No Solution Exploring Operation: 92-31=61, Resulting Numbers: [61] 61,88 unequal: No Solution Exploring Operation: 92*31=2852, Resulting Numbers: [2852] 2852,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[63, 2], Operations: ['99-5=94', '94-92=2'] Exploring Operation: 63*2=126, Resulting Numbers: [126] 126,88 unequal: No Solution Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,88 unequal: No Solution Exploring Operation: 63+2=65, Resulting Numbers: [65] 65,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[92, 157], Operations: ['99-5=94', '63+94=157'] Exploring Operation: 92*157=14444, Resulting Numbers: [14444] 14444,88 unequal: No Solution Exploring Operation: 92+157=249, Resulting Numbers: [249] 249,88 unequal: No Solution Exploring Operation: 157-92=65, Resulting Numbers: [65] 65,88 unequal: No Solution Moving to Node #0,0,2 Current State: 88:[94, 155], Operations: ['99-5=94', '92+63=155'] Exploring Operation: 155-94=61, Resulting Numbers: [61] 61,88 unequal: No Solution Exploring Operation: 94+155=249, Resulting Numbers: [249] 249,88 unequal: No Solution Exploring Operation: 94*155=14570, Resulting Numbers: [14570] 14570,88 unequal: No Solution No 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: 88:[92, 99, 58], Operations: ['63-5=58'] Exploring Operation: 99-58=41, Resulting Numbers: [92, 41] Generated Node #0,3,0: 88:[92, 41] Operation: 99-58=41 Exploring Operation: 99+58=157, Resulting Numbers: [92, 157] Generated Node #0,3,1: 88:[92, 157] Operation: 99+58=157 Exploring Operation: 92-58=34, Resulting Numbers: [99, 34] Generated Node #0,3,2: 88:[99, 34] Operation: 92-58=34 Exploring Operation: 99-92=7, Resulting Numbers: [58, 7] Generated Node #0,3,3: 88:[58, 7] Operation: 99-92=7 Exploring Operation: 92+58=150, Resulting Numbers: [99, 150] Generated Node #0,3,4: 88:[99, 150] Operation: 92+58=150 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 88:[92, 41], Operations: ['63-5=58', '99-58=41'] Exploring Operation: 92+41=133, Resulting Numbers: [133] 133,88 unequal: No Solution Exploring Operation: 92-41=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 92*41=3772, Resulting Numbers: [3772] 3772,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 88:[58, 7], Operations: ['63-5=58', '99-92=7'] Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,88 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 58*7=406, Resulting Numbers: [406] 406,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 88:[99, 34], Operations: ['63-5=58', '92-58=34'] Exploring Operation: 99+34=133, Resulting Numbers: [133] 133,88 unequal: No Solution Exploring Operation: 99*34=3366, Resulting Numbers: [3366] 3366,88 unequal: No Solution Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 88:[92, 157], Operations: ['63-5=58', '99+58=157'] Exploring Operation: 92+157=249, Resulting Numbers: [249] 249,88 unequal: No Solution Exploring Operation: 92*157=14444, Resulting Numbers: [14444] 14444,88 unequal: No Solution Exploring Operation: 157-92=65, Resulting Numbers: [65] 65,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 88:[99, 150], Operations: ['63-5=58', '92+58=150'] Exploring Operation: 99+150=249, Resulting Numbers: [249] 249,88 unequal: No Solution Exploring Operation: 150-99=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 99*150=14850, Resulting Numbers: [14850] 14850,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 69, 74, 35, 78 ]
48
[ "74-69=5", "78-35=43", "5+43=48" ]
Current State: 48:[69, 74, 35, 78], Operations: [] Exploring Operation: 74-69=5, Resulting Numbers: [35, 78, 5] Generated Node #2: [35, 78, 5] from Operation: 74-69=5 Current State: 48:[35, 78, 5], Operations: ['74-69=5'] Exploring Operation: 78-35=43, Resulting Numbers: [5, 43] Generated Node #3: [5, 43] from Operation: 78-35=43 Current State: 48:[5, 43], Operations: ['74-69=5', '78-35=43'] Exploring Operation: 5+43=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[69, 74, 35, 78], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [69, 35, 4] Generated Node #0,0: 48:[69, 35, 4] Operation: 78-74=4 Exploring Operation: 78-69=9, Resulting Numbers: [74, 35, 9] Generated Node #0,1: 48:[74, 35, 9] Operation: 78-69=9 Exploring Operation: 74-69=5, Resulting Numbers: [35, 78, 5] Generated Node #0,2: 48:[35, 78, 5] Operation: 74-69=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[69, 35, 4], Operations: ['78-74=4'] Exploring Operation: 35-4=31, Resulting Numbers: [69, 31] Generated Node #0,0,0: 48:[69, 31] Operation: 35-4=31 Exploring Operation: 69-4=65, Resulting Numbers: [35, 65] Generated Node #0,0,1: 48:[35, 65] Operation: 69-4=65 Exploring Operation: 69-35=34, Resulting Numbers: [4, 34] Generated Node #0,0,2: 48:[4, 34] Operation: 69-35=34 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 48:[4, 34], Operations: ['78-74=4', '69-35=34'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,48 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,48 unequal: No Solution Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[69, 31], Operations: ['78-74=4', '35-4=31'] Exploring Operation: 69-31=38, Resulting Numbers: [38] 38,48 unequal: No Solution Exploring Operation: 69+31=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 69*31=2139, Resulting Numbers: [2139] 2139,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[35, 65], Operations: ['78-74=4', '69-4=65'] Exploring Operation: 35+65=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,48 unequal: No Solution Exploring Operation: 35*65=2275, Resulting Numbers: [2275] 2275,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[74, 35, 9], Operations: ['78-69=9'] Exploring Operation: 35-9=26, Resulting Numbers: [74, 26] Generated Node #0,1,0: 48:[74, 26] Operation: 35-9=26 Exploring Operation: 74-9=65, Resulting Numbers: [35, 65] Generated Node #0,1,1: 48:[35, 65] Operation: 74-9=65 Exploring Operation: 74-35=39, Resulting Numbers: [9, 39] Generated Node #0,1,2: 48:[9, 39] Operation: 74-35=39 Moving to Node #0,1,2 Current State: 48:[9, 39], Operations: ['78-69=9', '74-35=39'] Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,48 unequal: No Solution Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[69, 74, 35, 78], Operations: [] Exploring Operation: 78-69=9, Resulting Numbers: [74, 35, 9] Generated Node #0,1: 48:[74, 35, 9] Operation: 78-69=9 Moving to Node #0,1 Current State: 48:[74, 35, 9], Operations: ['78-69=9'] Exploring Operation: 74-35=39, Resulting Numbers: [9, 39] Generated Node #0,1,2: 48:[9, 39] Operation: 74-35=39 Moving to Node #0,1,2 Current State: 48:[9, 39], Operations: ['78-69=9', '74-35=39'] Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 15, 23, 78, 37 ]
74
[ "23+37=60", "60/15=4", "78-4=74" ]
Current State: 74:[15, 23, 78, 37], Operations: [] Exploring Operation: 23+37=60, Resulting Numbers: [15, 78, 60] Generated Node #2: [15, 78, 60] from Operation: 23+37=60 Current State: 74:[15, 78, 60], Operations: ['23+37=60'] Exploring Operation: 60/15=4, Resulting Numbers: [78, 4] Generated Node #3: [78, 4] from Operation: 60/15=4 Current State: 74:[78, 4], Operations: ['23+37=60', '60/15=4'] Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[15, 23, 78, 37], Operations: [] Exploring Operation: 15+23=38, Resulting Numbers: [78, 37, 38] Generated Node #0,0: 74:[78, 37, 38] Operation: 15+23=38 Exploring Operation: 78-15=63, Resulting Numbers: [23, 37, 63] Generated Node #0,1: 74:[23, 37, 63] Operation: 78-15=63 Exploring Operation: 23-15=8, Resulting Numbers: [78, 37, 8] Generated Node #0,2: 74:[78, 37, 8] Operation: 23-15=8 Exploring Operation: 37-23=14, Resulting Numbers: [15, 78, 14] Generated Node #0,3: 74:[15, 78, 14] Operation: 37-23=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[78, 37, 38], Operations: ['15+23=38'] Exploring Operation: 37+38=75, Resulting Numbers: [78, 75] Generated Node #0,0,0: 74:[78, 75] Operation: 37+38=75 Exploring Operation: 78-38=40, Resulting Numbers: [37, 40] Generated Node #0,0,1: 74:[37, 40] Operation: 78-38=40 Exploring Operation: 38-37=1, Resulting Numbers: [78, 1] Generated Node #0,0,2: 74:[78, 1] Operation: 38-37=1 Exploring Operation: 78-37=41, Resulting Numbers: [38, 41] Generated Node #0,0,3: 74:[38, 41] Operation: 78-37=41 Moving to Node #0,0,1 Current State: 74:[37, 40], Operations: ['15+23=38', '78-38=40'] Exploring Operation: 37*40=1480, Resulting Numbers: [1480] 1480,74 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 37+40=77, Resulting Numbers: [77] 77,74 unequal: No Solution Moving to Node #0,0,2 Current State: 74:[78, 1], Operations: ['15+23=38', '38-37=1'] Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,74 unequal: No Solution Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,74 unequal: No Solution Exploring Operation: 78*1=78, Resulting Numbers: [78] 78,74 unequal: No Solution Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[78, 75], Operations: ['15+23=38', '37+38=75'] Exploring Operation: 78*75=5850, Resulting Numbers: [5850] 5850,74 unequal: No Solution Exploring Operation: 78-75=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 78+75=153, Resulting Numbers: [153] 153,74 unequal: No Solution Moving to Node #0,0,3 Current State: 74:[38, 41], Operations: ['15+23=38', '78-37=41'] Exploring Operation: 41-38=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 38+41=79, Resulting Numbers: [79] 79,74 unequal: No Solution Exploring Operation: 38*41=1558, Resulting Numbers: [1558] 1558,74 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 Current State: 74:[78, 37, 8], Operations: ['23-15=8'] Exploring Operation: 78-37=41, Resulting Numbers: [8, 41] Generated Node #0,2,0: 74:[8, 41] Operation: 78-37=41 Exploring Operation: 78-8=70, Resulting Numbers: [37, 70] Generated Node #0,2,1: 74:[37, 70] Operation: 78-8=70 Exploring Operation: 37+8=45, Resulting Numbers: [78, 45] Generated Node #0,2,2: 74:[78, 45] Operation: 37+8=45 Exploring Operation: 78+8=86, Resulting Numbers: [37, 86] Generated Node #0,2,3: 74:[37, 86] Operation: 78+8=86 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 74:[37, 70], Operations: ['23-15=8', '78-8=70'] Exploring Operation: 37+70=107, Resulting Numbers: [107] 107,74 unequal: No Solution Exploring Operation: 70-37=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 37*70=2590, Resulting Numbers: [2590] 2590,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 74:[8, 41], Operations: ['23-15=8', '78-37=41'] Exploring Operation: 8*41=328, Resulting Numbers: [328] 328,74 unequal: No Solution Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 8+41=49, Resulting Numbers: [49] 49,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 74:[78, 45], Operations: ['23-15=8', '37+8=45'] Exploring Operation: 78+45=123, Resulting Numbers: [123] 123,74 unequal: No Solution Exploring Operation: 78*45=3510, Resulting Numbers: [3510] 3510,74 unequal: No Solution Exploring Operation: 78-45=33, Resulting Numbers: [33] 33,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 74:[37, 86], Operations: ['23-15=8', '78+8=86'] Exploring Operation: 37*86=3182, Resulting Numbers: [3182] 3182,74 unequal: No Solution Exploring Operation: 86-37=49, Resulting Numbers: [49] 49,74 unequal: No Solution Exploring Operation: 37+86=123, Resulting Numbers: [123] 123,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[23, 37, 63], Operations: ['78-15=63'] Exploring Operation: 63-23=40, Resulting Numbers: [37, 40] Generated Node #0,1,0: 74:[37, 40] Operation: 63-23=40 Exploring Operation: 37-23=14, Resulting Numbers: [63, 14] Generated Node #0,1,1: 74:[63, 14] Operation: 37-23=14 Exploring Operation: 23+63=86, Resulting Numbers: [37, 86] Generated Node #0,1,2: 74:[37, 86] Operation: 23+63=86 Exploring Operation: 23+37=60, Resulting Numbers: [63, 60] Generated Node #0,1,3: 74:[63, 60] Operation: 23+37=60 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 74:[37, 40], Operations: ['78-15=63', '63-23=40'] Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 37*40=1480, Resulting Numbers: [1480] 1480,74 unequal: No Solution Exploring Operation: 37+40=77, Resulting Numbers: [77] 77,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 74:[37, 86], Operations: ['78-15=63', '23+63=86'] Exploring Operation: 86-37=49, Resulting Numbers: [49] 49,74 unequal: No Solution Exploring Operation: 37*86=3182, Resulting Numbers: [3182] 3182,74 unequal: No Solution Exploring Operation: 37+86=123, Resulting Numbers: [123] 123,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 74:[63, 14], Operations: ['78-15=63', '37-23=14'] Exploring Operation: 63*14=882, Resulting Numbers: [882] 882,74 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,74 unequal: No Solution Exploring Operation: 63+14=77, Resulting Numbers: [77] 77,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 74:[63, 60], Operations: ['78-15=63', '23+37=60'] Exploring Operation: 63+60=123, Resulting Numbers: [123] 123,74 unequal: No Solution Exploring Operation: 63-60=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 63*60=3780, Resulting Numbers: [3780] 3780,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[15, 78, 14], Operations: ['37-23=14'] Exploring Operation: 15+14=29, Resulting Numbers: [78, 29] Generated Node #0,3,0: 74:[78, 29] Operation: 15+14=29 Exploring Operation: 15-14=1, Resulting Numbers: [78, 1] Generated Node #0,3,1: 74:[78, 1] Operation: 15-14=1 Exploring Operation: 78-14=64, Resulting Numbers: [15, 64] Generated Node #0,3,2: 74:[15, 64] Operation: 78-14=64 Exploring Operation: 78-15=63, Resulting Numbers: [14, 63] Generated Node #0,3,3: 74:[14, 63] Operation: 78-15=63 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 74:[78, 1], Operations: ['37-23=14', '15-14=1'] Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,74 unequal: No Solution Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,74 unequal: No Solution Exploring Operation: 78*1=78, Resulting Numbers: [78] 78,74 unequal: No Solution Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 74:[78, 29], Operations: ['37-23=14', '15+14=29'] Exploring Operation: 78+29=107, Resulting Numbers: [107] 107,74 unequal: No Solution Exploring Operation: 78*29=2262, Resulting Numbers: [2262] 2262,74 unequal: No Solution Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 74:[15, 64], Operations: ['37-23=14', '78-14=64'] Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,74 unequal: No Solution Exploring Operation: 15+64=79, Resulting Numbers: [79] 79,74 unequal: No Solution Exploring Operation: 15*64=960, Resulting Numbers: [960] 960,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 74:[14, 63], Operations: ['37-23=14', '78-15=63'] Exploring Operation: 14*63=882, Resulting Numbers: [882] 882,74 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,74 unequal: No Solution Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 89, 93, 36, 86 ]
81
[ "89-86=3", "36/3=12", "93-12=81" ]
Current State: 81:[89, 93, 36, 86], Operations: [] Exploring Operation: 89-86=3, Resulting Numbers: [93, 36, 3] Generated Node #2: [93, 36, 3] from Operation: 89-86=3 Current State: 81:[93, 36, 3], Operations: ['89-86=3'] Exploring Operation: 36/3=12, Resulting Numbers: [93, 12] Generated Node #3: [93, 12] from Operation: 36/3=12 Current State: 81:[93, 12], Operations: ['89-86=3', '36/3=12'] Exploring Operation: 93-12=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[89, 93, 36, 86], Operations: [] Exploring Operation: 89-86=3, Resulting Numbers: [93, 36, 3] Generated Node #0,0: 81:[93, 36, 3] Operation: 89-86=3 Exploring Operation: 93-86=7, Resulting Numbers: [89, 36, 7] Generated Node #0,1: 81:[89, 36, 7] Operation: 93-86=7 Exploring Operation: 93-89=4, Resulting Numbers: [36, 86, 4] Generated Node #0,2: 81:[36, 86, 4] Operation: 93-89=4 Exploring Operation: 93-36=57, Resulting Numbers: [89, 86, 57] Generated Node #0,3: 81:[89, 86, 57] Operation: 93-36=57 Exploring Operation: 89-36=53, Resulting Numbers: [93, 86, 53] Generated Node #0,4: 81:[93, 86, 53] Operation: 89-36=53 Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[36, 86, 4], Operations: ['93-89=4'] Exploring Operation: 36+4=40, Resulting Numbers: [86, 40] Generated Node #0,2,0: 81:[86, 40] Operation: 36+4=40 Exploring Operation: 86-4=82, Resulting Numbers: [36, 82] Generated Node #0,2,1: 81:[36, 82] Operation: 86-4=82 Exploring Operation: 36/4=9, Resulting Numbers: [86, 9] Generated Node #0,2,2: 81:[86, 9] Operation: 36/4=9 Exploring Operation: 36-4=32, Resulting Numbers: [86, 32] Generated Node #0,2,3: 81:[86, 32] Operation: 36-4=32 Exploring Operation: 86+4=90, Resulting Numbers: [36, 90] Generated Node #0,2,4: 81:[36, 90] Operation: 86+4=90 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 81:[86, 9], Operations: ['93-89=4', '36/4=9'] Exploring Operation: 86+9=95, Resulting Numbers: [95] 95,81 unequal: No Solution Exploring Operation: 86-9=77, Resulting Numbers: [77] 77,81 unequal: No Solution Exploring Operation: 86*9=774, Resulting Numbers: [774] 774,81 unequal: No Solution No 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: 81:[36, 82], Operations: ['93-89=4', '86-4=82'] Exploring Operation: 36*82=2952, Resulting Numbers: [2952] 2952,81 unequal: No Solution Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,81 unequal: No Solution Exploring Operation: 36+82=118, Resulting Numbers: [118] 118,81 unequal: No Solution No 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: 81:[86, 32], Operations: ['93-89=4', '36-4=32'] Exploring Operation: 86+32=118, Resulting Numbers: [118] 118,81 unequal: No Solution Exploring Operation: 86*32=2752, Resulting Numbers: [2752] 2752,81 unequal: No Solution Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,81 unequal: No Solution No 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: 81:[86, 40], Operations: ['93-89=4', '36+4=40'] Exploring Operation: 86+40=126, Resulting Numbers: [126] 126,81 unequal: No Solution Exploring Operation: 86-40=46, Resulting Numbers: [46] 46,81 unequal: No Solution Exploring Operation: 86*40=3440, Resulting Numbers: [3440] 3440,81 unequal: No Solution No 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: 81:[36, 90], Operations: ['93-89=4', '86+4=90'] Exploring Operation: 90-36=54, Resulting Numbers: [54] 54,81 unequal: No Solution Exploring Operation: 36+90=126, Resulting Numbers: [126] 126,81 unequal: No Solution Exploring Operation: 36*90=3240, Resulting Numbers: [3240] 3240,81 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: 81:[89, 36, 7], Operations: ['93-86=7'] Exploring Operation: 89+7=96, Resulting Numbers: [36, 96] Generated Node #0,1,0: 81:[36, 96] Operation: 89+7=96 Exploring Operation: 89-7=82, Resulting Numbers: [36, 82] Generated Node #0,1,1: 81:[36, 82] Operation: 89-7=82 Exploring Operation: 36-7=29, Resulting Numbers: [89, 29] Generated Node #0,1,2: 81:[89, 29] Operation: 36-7=29 Exploring Operation: 36+7=43, Resulting Numbers: [89, 43] Generated Node #0,1,3: 81:[89, 43] Operation: 36+7=43 Exploring Operation: 89-36=53, Resulting Numbers: [7, 53] Generated Node #0,1,4: 81:[7, 53] Operation: 89-36=53 Moving to Node #0,1,1 Current State: 81:[36, 82], Operations: ['93-86=7', '89-7=82'] Exploring Operation: 36+82=118, Resulting Numbers: [118] 118,81 unequal: No Solution Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,81 unequal: No Solution Exploring Operation: 36*82=2952, Resulting Numbers: [2952] 2952,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[89, 29], Operations: ['93-86=7', '36-7=29'] Exploring Operation: 89+29=118, Resulting Numbers: [118] 118,81 unequal: No Solution Exploring Operation: 89*29=2581, Resulting Numbers: [2581] 2581,81 unequal: No Solution Exploring Operation: 89-29=60, Resulting Numbers: [60] 60,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[36, 96], Operations: ['93-86=7', '89+7=96'] Exploring Operation: 36+96=132, Resulting Numbers: [132] 132,81 unequal: No Solution Exploring Operation: 96-36=60, Resulting Numbers: [60] 60,81 unequal: No Solution Exploring Operation: 36*96=3456, Resulting Numbers: [3456] 3456,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[89, 43], Operations: ['93-86=7', '36+7=43'] Exploring Operation: 89*43=3827, Resulting Numbers: [3827] 3827,81 unequal: No Solution Exploring Operation: 89-43=46, Resulting Numbers: [46] 46,81 unequal: No Solution Exploring Operation: 89+43=132, Resulting Numbers: [132] 132,81 unequal: No Solution Moving to Node #0,1,4 Current State: 81:[7, 53], Operations: ['93-86=7', '89-36=53'] Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,81 unequal: No Solution Exploring Operation: 7+53=60, Resulting Numbers: [60] 60,81 unequal: No Solution Exploring Operation: 7*53=371, Resulting Numbers: [371] 371,81 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 Current State: 81:[93, 36, 3], Operations: ['89-86=3'] Exploring Operation: 36/3=12, Resulting Numbers: [93, 12] Generated Node #0,0,0: 81:[93, 12] Operation: 36/3=12 Exploring Operation: 36-3=33, Resulting Numbers: [93, 33] Generated Node #0,0,1: 81:[93, 33] Operation: 36-3=33 Exploring Operation: 93-36=57, Resulting Numbers: [3, 57] Generated Node #0,0,2: 81:[3, 57] Operation: 93-36=57 Exploring Operation: 93-3=90, Resulting Numbers: [36, 90] Generated Node #0,0,3: 81:[36, 90] Operation: 93-3=90 Exploring Operation: 93/3=31, Resulting Numbers: [36, 31] Generated Node #0,0,4: 81:[36, 31] Operation: 93/3=31 Moving to Node #0,0,4 Current State: 81:[36, 31], Operations: ['89-86=3', '93/3=31'] Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 36+31=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 36*31=1116, Resulting Numbers: [1116] 1116,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[93, 12], Operations: ['89-86=3', '36/3=12'] Exploring Operation: 93+12=105, Resulting Numbers: [105] 105,81 unequal: No Solution Exploring Operation: 93-12=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[89, 93, 36, 86], Operations: [] Exploring Operation: 89-86=3, Resulting Numbers: [93, 36, 3] Generated Node #0,0: 81:[93, 36, 3] Operation: 89-86=3 Moving to Node #0,0 Current State: 81:[93, 36, 3], Operations: ['89-86=3'] Exploring Operation: 36/3=12, Resulting Numbers: [93, 12] Generated Node #0,0,0: 81:[93, 12] Operation: 36/3=12 Moving to Node #0,0,0 Current State: 81:[93, 12], Operations: ['89-86=3', '36/3=12'] Exploring Operation: 93-12=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.948785
hs_5
mult_heuristic
[ 65, 11, 11, 53 ]
53
[ "11-11=0", "65*0=0", "53+0=53" ]
Current State: 53:[65, 11, 11, 53], Operations: [] Exploring Operation: 11-11=0, Resulting Numbers: [65, 53, 0] Generated Node #2: [65, 53, 0] from Operation: 11-11=0 Current State: 53:[65, 53, 0], Operations: ['11-11=0'] Exploring Operation: 65*0=0, Resulting Numbers: [53, 0] Generated Node #3: [53, 0] from Operation: 65*0=0 Current State: 53:[53, 0], Operations: ['11-11=0', '65*0=0'] Exploring Operation: 53+0=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[65, 11, 11, 53], Operations: [] Exploring Operation: 65-11=54, Resulting Numbers: [11, 53, 54] Generated Node #0,0: 53:[11, 53, 54] Operation: 65-11=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[11, 53, 54], Operations: ['65-11=54'] Exploring Operation: 54-11=43, Resulting Numbers: [53, 43] Generated Node #0,0,0: 53:[53, 43] Operation: 54-11=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[53, 43], Operations: ['65-11=54', '54-11=43'] Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 37, 35, 89, 21 ]
29
[ "37+89=126", "126/21=6", "35-6=29" ]
Current State: 29:[37, 35, 89, 21], Operations: [] Exploring Operation: 37+89=126, Resulting Numbers: [35, 21, 126] Generated Node #2: [35, 21, 126] from Operation: 37+89=126 Current State: 29:[35, 21, 126], Operations: ['37+89=126'] Exploring Operation: 126/21=6, Resulting Numbers: [35, 6] Generated Node #3: [35, 6] from Operation: 126/21=6 Current State: 29:[35, 6], Operations: ['37+89=126', '126/21=6'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[37, 35, 89, 21], Operations: [] Exploring Operation: 89-35=54, Resulting Numbers: [37, 21, 54] Generated Node #0,0: 29:[37, 21, 54] Operation: 89-35=54 Exploring Operation: 89-21=68, Resulting Numbers: [37, 35, 68] Generated Node #0,1: 29:[37, 35, 68] Operation: 89-21=68 Exploring Operation: 89-37=52, Resulting Numbers: [35, 21, 52] Generated Node #0,2: 29:[35, 21, 52] Operation: 89-37=52 Exploring Operation: 37-21=16, Resulting Numbers: [35, 89, 16] Generated Node #0,3: 29:[35, 89, 16] Operation: 37-21=16 Exploring Operation: 35-21=14, Resulting Numbers: [37, 89, 14] Generated Node #0,4: 29:[37, 89, 14] Operation: 35-21=14 Moving to Node #0,2 Current State: 29:[35, 21, 52], Operations: ['89-37=52'] Exploring Operation: 35-21=14, Resulting Numbers: [52, 14] Generated Node #0,2,0: 29:[52, 14] Operation: 35-21=14 Exploring Operation: 35+21=56, Resulting Numbers: [52, 56] Generated Node #0,2,1: 29:[52, 56] Operation: 35+21=56 Exploring Operation: 52-35=17, Resulting Numbers: [21, 17] Generated Node #0,2,2: 29:[21, 17] Operation: 52-35=17 Exploring Operation: 21+52=73, Resulting Numbers: [35, 73] Generated Node #0,2,3: 29:[35, 73] Operation: 21+52=73 Exploring Operation: 52-21=31, Resulting Numbers: [35, 31] Generated Node #0,2,4: 29:[35, 31] Operation: 52-21=31 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 29:[35, 31], Operations: ['89-37=52', '52-21=31'] Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,29 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 29:[21, 17], Operations: ['89-37=52', '52-35=17'] Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 21*17=357, Resulting Numbers: [357] 357,29 unequal: No Solution Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 29:[52, 14], Operations: ['89-37=52', '35-21=14'] Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 52+14=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 52*14=728, Resulting Numbers: [728] 728,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 29:[52, 56], Operations: ['89-37=52', '35+21=56'] Exploring Operation: 52*56=2912, Resulting Numbers: [2912] 2912,29 unequal: No Solution Exploring Operation: 56-52=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 52+56=108, Resulting Numbers: [108] 108,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 29:[35, 73], Operations: ['89-37=52', '21+52=73'] Exploring Operation: 35+73=108, Resulting Numbers: [108] 108,29 unequal: No Solution Exploring Operation: 35*73=2555, Resulting Numbers: [2555] 2555,29 unequal: No Solution Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 29:[37, 21, 54], Operations: ['89-35=54'] Exploring Operation: 21+54=75, Resulting Numbers: [37, 75] Generated Node #0,0,0: 29:[37, 75] Operation: 21+54=75 Exploring Operation: 54-21=33, Resulting Numbers: [37, 33] Generated Node #0,0,1: 29:[37, 33] Operation: 54-21=33 Exploring Operation: 54-37=17, Resulting Numbers: [21, 17] Generated Node #0,0,2: 29:[21, 17] Operation: 54-37=17 Exploring Operation: 37-21=16, Resulting Numbers: [54, 16] Generated Node #0,0,3: 29:[54, 16] Operation: 37-21=16 Exploring Operation: 37+21=58, Resulting Numbers: [54, 58] Generated Node #0,0,4: 29:[54, 58] Operation: 37+21=58 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[37, 33], Operations: ['89-35=54', '54-21=33'] Exploring Operation: 37+33=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 37*33=1221, Resulting Numbers: [1221] 1221,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 29:[21, 17], Operations: ['89-35=54', '54-37=17'] Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 21*17=357, Resulting Numbers: [357] 357,29 unequal: No Solution Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 29:[54, 16], Operations: ['89-35=54', '37-21=16'] Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 54*16=864, Resulting Numbers: [864] 864,29 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,29 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 #0,0,0 Current State: 29:[37, 75], Operations: ['89-35=54', '21+54=75'] Exploring Operation: 37*75=2775, Resulting Numbers: [2775] 2775,29 unequal: No Solution Exploring Operation: 37+75=112, Resulting Numbers: [112] 112,29 unequal: No Solution Exploring Operation: 75-37=38, Resulting Numbers: [38] 38,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 29:[54, 58], Operations: ['89-35=54', '37+21=58'] Exploring Operation: 58-54=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 54*58=3132, Resulting Numbers: [3132] 3132,29 unequal: No Solution Exploring Operation: 54+58=112, Resulting Numbers: [112] 112,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 29:[37, 35, 68], Operations: ['89-21=68'] Exploring Operation: 68-37=31, Resulting Numbers: [35, 31] Generated Node #0,1,0: 29:[35, 31] Operation: 68-37=31 Exploring Operation: 37+68=105, Resulting Numbers: [35, 105] Generated Node #0,1,1: 29:[35, 105] Operation: 37+68=105 Exploring Operation: 68-35=33, Resulting Numbers: [37, 33] Generated Node #0,1,2: 29:[37, 33] Operation: 68-35=33 Exploring Operation: 37+35=72, Resulting Numbers: [68, 72] Generated Node #0,1,3: 29:[68, 72] Operation: 37+35=72 Exploring Operation: 37-35=2, Resulting Numbers: [68, 2] Generated Node #0,1,4: 29:[68, 2] Operation: 37-35=2 Moving to Node #0,3 Current State: 29:[35, 89, 16], Operations: ['37-21=16'] Exploring Operation: 89+16=105, Resulting Numbers: [35, 105] Generated Node #0,3,0: 29:[35, 105] Operation: 89+16=105 Exploring Operation: 89-16=73, Resulting Numbers: [35, 73] Generated Node #0,3,1: 29:[35, 73] Operation: 89-16=73 Exploring Operation: 35+16=51, Resulting Numbers: [89, 51] Generated Node #0,3,2: 29:[89, 51] Operation: 35+16=51 Exploring Operation: 35-16=19, Resulting Numbers: [89, 19] Generated Node #0,3,3: 29:[89, 19] Operation: 35-16=19 Exploring Operation: 89-35=54, Resulting Numbers: [16, 54] Generated Node #0,3,4: 29:[16, 54] Operation: 89-35=54 Moving to Node #0,4 Current State: 29:[37, 89, 14], Operations: ['35-21=14'] Exploring Operation: 89-14=75, Resulting Numbers: [37, 75] Generated Node #0,4,0: 29:[37, 75] Operation: 89-14=75 Exploring Operation: 89-37=52, Resulting Numbers: [14, 52] Generated Node #0,4,1: 29:[14, 52] Operation: 89-37=52 Exploring Operation: 89+14=103, Resulting Numbers: [37, 103] Generated Node #0,4,2: 29:[37, 103] Operation: 89+14=103 Exploring Operation: 37-14=23, Resulting Numbers: [89, 23] Generated Node #0,4,3: 29:[89, 23] Operation: 37-14=23 Exploring Operation: 37+14=51, Resulting Numbers: [89, 51] Generated Node #0,4,4: 29:[89, 51] Operation: 37+14=51 Moving to Node #0,1,0 Current State: 29:[35, 31], Operations: ['89-21=68', '68-37=31'] Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,29 unequal: No Solution Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[37, 33], Operations: ['89-21=68', '68-35=33'] Exploring Operation: 37*33=1221, Resulting Numbers: [1221] 1221,29 unequal: No Solution Exploring Operation: 37+33=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,29 unequal: No Solution Moving to Node #0,3,4 Current State: 29:[16, 54], Operations: ['37-21=16', '89-35=54'] Exploring Operation: 16+54=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 16*54=864, Resulting Numbers: [864] 864,29 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,29 unequal: No Solution Moving to Node #0,4,1 Current State: 29:[14, 52], Operations: ['35-21=14', '89-37=52'] Exploring Operation: 14+52=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 14*52=728, Resulting Numbers: [728] 728,29 unequal: No Solution Moving to Node #0,3,1 Current State: 29:[35, 73], Operations: ['37-21=16', '89-16=73'] Exploring Operation: 35+73=108, Resulting Numbers: [108] 108,29 unequal: No Solution Exploring Operation: 35*73=2555, Resulting Numbers: [2555] 2555,29 unequal: No Solution Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,29 unequal: No Solution Moving to Node #0,4,0 Current State: 29:[37, 75], Operations: ['35-21=14', '89-14=75'] Exploring Operation: 37+75=112, Resulting Numbers: [112] 112,29 unequal: No Solution Exploring Operation: 37*75=2775, Resulting Numbers: [2775] 2775,29 unequal: No Solution Exploring Operation: 75-37=38, Resulting Numbers: [38] 38,29 unequal: No Solution Moving to Node #0,1,4 Current State: 29:[68, 2], Operations: ['89-21=68', '37-35=2'] Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 68+2=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 68*2=136, Resulting Numbers: [136] 136,29 unequal: No Solution Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,29 unequal: No Solution Moving to Node #0,4,3 Current State: 29:[89, 23], Operations: ['35-21=14', '37-14=23'] Exploring Operation: 89+23=112, Resulting Numbers: [112] 112,29 unequal: No Solution Exploring Operation: 89-23=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 89*23=2047, Resulting Numbers: [2047] 2047,29 unequal: No Solution Moving to Node #0,3,3 Current State: 29:[89, 19], Operations: ['37-21=16', '35-16=19'] Exploring Operation: 89+19=108, Resulting Numbers: [108] 108,29 unequal: No Solution Exploring Operation: 89*19=1691, Resulting Numbers: [1691] 1691,29 unequal: No Solution Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,29 unequal: No Solution Moving to Node #0,4,2 Current State: 29:[37, 103], Operations: ['35-21=14', '89+14=103'] Exploring Operation: 37*103=3811, Resulting Numbers: [3811] 3811,29 unequal: No Solution Exploring Operation: 103-37=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 37+103=140, Resulting Numbers: [140] 140,29 unequal: No Solution Moving to Node #0,4,4 Current State: 29:[89, 51], Operations: ['35-21=14', '37+14=51'] Exploring Operation: 89*51=4539, Resulting Numbers: [4539] 4539,29 unequal: No Solution Exploring Operation: 89+51=140, Resulting Numbers: [140] 140,29 unequal: No Solution Exploring Operation: 89-51=38, Resulting Numbers: [38] 38,29 unequal: No Solution Moving to Node #0,3,2 Current State: 29:[89, 51], Operations: ['37-21=16', '35+16=51'] Exploring Operation: 89-51=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 89*51=4539, Resulting Numbers: [4539] 4539,29 unequal: No Solution Exploring Operation: 89+51=140, Resulting Numbers: [140] 140,29 unequal: No Solution Moving to Node #0,3,0 Current State: 29:[35, 105], Operations: ['37-21=16', '89+16=105'] Exploring Operation: 35+105=140, Resulting Numbers: [140] 140,29 unequal: No Solution Exploring Operation: 105/35=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 105-35=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 35*105=3675, Resulting Numbers: [3675] 3675,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[68, 72], Operations: ['89-21=68', '37+35=72'] Exploring Operation: 68+72=140, Resulting Numbers: [140] 140,29 unequal: No Solution Exploring Operation: 68*72=4896, Resulting Numbers: [4896] 4896,29 unequal: No Solution Exploring Operation: 72-68=4, Resulting Numbers: [4] 4,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[35, 105], Operations: ['89-21=68', '37+68=105'] Exploring Operation: 35*105=3675, Resulting Numbers: [3675] 3675,29 unequal: No Solution Exploring Operation: 105/35=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 35+105=140, Resulting Numbers: [140] 140,29 unequal: No Solution Exploring Operation: 105-35=70, Resulting Numbers: [70] 70,29 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 24, 21, 82, 2 ]
81
[ "24-21=3", "82+2=84", "84-3=81" ]
Current State: 81:[24, 21, 82, 2], Operations: [] Exploring Operation: 24-21=3, Resulting Numbers: [82, 2, 3] Generated Node #2: [82, 2, 3] from Operation: 24-21=3 Current State: 81:[82, 2, 3], Operations: ['24-21=3'] Exploring Operation: 82+2=84, Resulting Numbers: [3, 84] Generated Node #3: [3, 84] from Operation: 82+2=84 Current State: 81:[3, 84], Operations: ['24-21=3', '82+2=84'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[24, 21, 82, 2], Operations: [] Exploring Operation: 24+2=26, Resulting Numbers: [21, 82, 26] Generated Node #0,0: 81:[21, 82, 26] Operation: 24+2=26 Exploring Operation: 24-21=3, Resulting Numbers: [82, 2, 3] Generated Node #0,1: 81:[82, 2, 3] Operation: 24-21=3 Moving to Node #0,1 Current State: 81:[82, 2, 3], Operations: ['24-21=3'] Exploring Operation: 82-2=80, Resulting Numbers: [3, 80] Generated Node #0,1,0: 81:[3, 80] Operation: 82-2=80 Exploring Operation: 82+2=84, Resulting Numbers: [3, 84] Generated Node #0,1,1: 81:[3, 84] Operation: 82+2=84 Moving to Node #0,0 Current State: 81:[21, 82, 26], Operations: ['24+2=26'] Exploring Operation: 26-21=5, Resulting Numbers: [82, 5] Generated Node #0,0,0: 81:[82, 5] Operation: 26-21=5 Exploring Operation: 82-21=61, Resulting Numbers: [26, 61] Generated Node #0,0,1: 81:[26, 61] Operation: 82-21=61 Moving to Node #0,1,0 Current State: 81:[3, 80], Operations: ['24-21=3', '82-2=80'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,81 unequal: No Solution Exploring Operation: 3+80=83, Resulting Numbers: [83] 83,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[82, 5], Operations: ['24+2=26', '26-21=5'] Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,81 unequal: No Solution Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[3, 84], Operations: ['24-21=3', '82+2=84'] Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[24, 21, 82, 2], Operations: [] Exploring Operation: 24-21=3, Resulting Numbers: [82, 2, 3] Generated Node #0,1: 81:[82, 2, 3] Operation: 24-21=3 Moving to Node #0,1 Current State: 81:[82, 2, 3], Operations: ['24-21=3'] Exploring Operation: 82+2=84, Resulting Numbers: [3, 84] Generated Node #0,1,1: 81:[3, 84] Operation: 82+2=84 Moving to Node #0,1,1 Current State: 81:[3, 84], Operations: ['24-21=3', '82+2=84'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 22, 97, 93, 86 ]
68
[ "97-22=75", "93-86=7", "75-7=68" ]
Current State: 68:[22, 97, 93, 86], Operations: [] Exploring Operation: 97-22=75, Resulting Numbers: [93, 86, 75] Generated Node #2: [93, 86, 75] from Operation: 97-22=75 Current State: 68:[93, 86, 75], Operations: ['97-22=75'] Exploring Operation: 93-86=7, Resulting Numbers: [75, 7] Generated Node #3: [75, 7] from Operation: 93-86=7 Current State: 68:[75, 7], Operations: ['97-22=75', '93-86=7'] Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[22, 97, 93, 86], Operations: [] Exploring Operation: 97-93=4, Resulting Numbers: [22, 86, 4] Generated Node #0,0: 68:[22, 86, 4] Operation: 97-93=4 Exploring Operation: 97-86=11, Resulting Numbers: [22, 93, 11] Generated Node #0,1: 68:[22, 93, 11] Operation: 97-86=11 Moving to Node #0,0 Current State: 68:[22, 86, 4], Operations: ['97-93=4'] Exploring Operation: 86-22=64, Resulting Numbers: [4, 64] Generated Node #0,0,0: 68:[4, 64] Operation: 86-22=64 Exploring Operation: 22-4=18, Resulting Numbers: [86, 18] Generated Node #0,0,1: 68:[86, 18] Operation: 22-4=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[4, 64], Operations: ['97-93=4', '86-22=64'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[22, 97, 93, 86], Operations: [] Exploring Operation: 97-93=4, Resulting Numbers: [22, 86, 4] Generated Node #0,0: 68:[22, 86, 4] Operation: 97-93=4 Moving to Node #0,0 Current State: 68:[22, 86, 4], Operations: ['97-93=4'] Exploring Operation: 86-22=64, Resulting Numbers: [4, 64] Generated Node #0,0,0: 68:[4, 64] Operation: 86-22=64 Moving to Node #0,0,0 Current State: 68:[4, 64], Operations: ['97-93=4', '86-22=64'] Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 54, 57, 57, 34 ]
89
[ "54+34=88", "57/57=1", "88+1=89" ]
Current State: 89:[54, 57, 57, 34], Operations: [] Exploring Operation: 54+34=88, Resulting Numbers: [57, 57, 88] Generated Node #2: [57, 57, 88] from Operation: 54+34=88 Current State: 89:[57, 57, 88], Operations: ['54+34=88'] Exploring Operation: 57/57=1, Resulting Numbers: [88, 1] Generated Node #3: [88, 1] from Operation: 57/57=1 Current State: 89:[88, 1], Operations: ['54+34=88', '57/57=1'] Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[54, 57, 57, 34], Operations: [] Exploring Operation: 57+34=91, Resulting Numbers: [54, 57, 91] Generated Node #0,0: 89:[54, 57, 91] Operation: 57+34=91 Exploring Operation: 54+57=111, Resulting Numbers: [57, 34, 111] Generated Node #0,1: 89:[57, 34, 111] Operation: 54+57=111 Exploring Operation: 54+57=111, Resulting Numbers: [57, 34, 111] Generated Node #0,2: 89:[57, 34, 111] Operation: 54+57=111 Exploring Operation: 54+34=88, Resulting Numbers: [57, 57, 88] Generated Node #0,3: 89:[57, 57, 88] Operation: 54+34=88 Exploring Operation: 57+34=91, Resulting Numbers: [54, 57, 91] Generated Node #0,4: 89:[54, 57, 91] Operation: 57+34=91 Start Sub Search at level 1: Moving to Node #0,3 Current State: 89:[57, 57, 88], Operations: ['54+34=88'] Exploring Operation: 57-57=0, Resulting Numbers: [88, 0] Generated Node #0,3,0: 89:[88, 0] Operation: 57-57=0 Exploring Operation: 57+88=145, Resulting Numbers: [57, 145] Generated Node #0,3,1: 89:[57, 145] Operation: 57+88=145 Exploring Operation: 57+57=114, Resulting Numbers: [88, 114] Generated Node #0,3,2: 89:[88, 114] Operation: 57+57=114 Exploring Operation: 57/57=1, Resulting Numbers: [88, 1] Generated Node #0,3,3: 89:[88, 1] Operation: 57/57=1 Exploring Operation: 57+88=145, Resulting Numbers: [57, 145] Generated Node #0,3,4: 89:[57, 145] Operation: 57+88=145 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 89:[88, 114], Operations: ['54+34=88', '57+57=114'] Exploring Operation: 88+114=202, Resulting Numbers: [202] 202,89 unequal: No Solution Exploring Operation: 114-88=26, Resulting Numbers: [26] 26,89 unequal: No Solution Exploring Operation: 88*114=10032, Resulting Numbers: [10032] 10032,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 89:[57, 145], Operations: ['54+34=88', '57+88=145'] Exploring Operation: 57+145=202, Resulting Numbers: [202] 202,89 unequal: No Solution Exploring Operation: 145-57=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 57*145=8265, Resulting Numbers: [8265] 8265,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 89:[57, 145], Operations: ['54+34=88', '57+88=145'] Exploring Operation: 57*145=8265, Resulting Numbers: [8265] 8265,89 unequal: No Solution Exploring Operation: 57+145=202, Resulting Numbers: [202] 202,89 unequal: No Solution Exploring Operation: 145-57=88, Resulting Numbers: [88] 88,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 89:[88, 1], Operations: ['54+34=88', '57/57=1'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,89 unequal: No Solution Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[54, 57, 57, 34], Operations: [] Exploring Operation: 54+34=88, Resulting Numbers: [57, 57, 88] Generated Node #0,3: 89:[57, 57, 88] Operation: 54+34=88 Moving to Node #0,3 Current State: 89:[57, 57, 88], Operations: ['54+34=88'] Exploring Operation: 57/57=1, Resulting Numbers: [88, 1] Generated Node #0,3,3: 89:[88, 1] Operation: 57/57=1 Moving to Node #0,3,3 Current State: 89:[88, 1], Operations: ['54+34=88', '57/57=1'] Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_5
sum_heuristic
[ 41, 91, 93, 38 ]
35
[ "93-91=2", "38*2=76", "76-41=35" ]
Current State: 35:[41, 91, 93, 38], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [41, 38, 2] Generated Node #2: [41, 38, 2] from Operation: 93-91=2 Current State: 35:[41, 38, 2], Operations: ['93-91=2'] Exploring Operation: 38*2=76, Resulting Numbers: [41, 76] Generated Node #3: [41, 76] from Operation: 38*2=76 Current State: 35:[41, 76], Operations: ['93-91=2', '38*2=76'] Exploring Operation: 76-41=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[41, 91, 93, 38], Operations: [] Exploring Operation: 91-41=50, Resulting Numbers: [93, 38, 50] Generated Node #0,0: 35:[93, 38, 50] Operation: 91-41=50 Exploring Operation: 93-91=2, Resulting Numbers: [41, 38, 2] Generated Node #0,1: 35:[41, 38, 2] Operation: 93-91=2 Exploring Operation: 93-41=52, Resulting Numbers: [91, 38, 52] Generated Node #0,2: 35:[91, 38, 52] Operation: 93-41=52 Moving to Node #0,1 Current State: 35:[41, 38, 2], Operations: ['93-91=2'] Exploring Operation: 38-2=36, Resulting Numbers: [41, 36] Generated Node #0,1,0: 35:[41, 36] Operation: 38-2=36 Exploring Operation: 41-2=39, Resulting Numbers: [38, 39] Generated Node #0,1,1: 35:[38, 39] Operation: 41-2=39 Exploring Operation: 41-38=3, Resulting Numbers: [2, 3] Generated Node #0,1,2: 35:[2, 3] Operation: 41-38=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[2, 3], Operations: ['93-91=2', '41-38=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[41, 36], Operations: ['93-91=2', '38-2=36'] Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,35 unequal: No Solution Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[38, 39], Operations: ['93-91=2', '41-2=39'] Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 38*39=1482, Resulting Numbers: [1482] 1482,35 unequal: No Solution Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,35 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: 35:[93, 38, 50], Operations: ['91-41=50'] Exploring Operation: 93-38=55, Resulting Numbers: [50, 55] Generated Node #0,0,0: 35:[50, 55] Operation: 93-38=55 Exploring Operation: 50-38=12, Resulting Numbers: [93, 12] Generated Node #0,0,1: 35:[93, 12] Operation: 50-38=12 Exploring Operation: 93-50=43, Resulting Numbers: [38, 43] Generated Node #0,0,2: 35:[38, 43] Operation: 93-50=43 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 35:[38, 43], Operations: ['91-41=50', '93-50=43'] Exploring Operation: 38*43=1634, Resulting Numbers: [1634] 1634,35 unequal: No Solution Exploring Operation: 43-38=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 38+43=81, Resulting Numbers: [81] 81,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[50, 55], Operations: ['91-41=50', '93-38=55'] Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 50+55=105, Resulting Numbers: [105] 105,35 unequal: No Solution Exploring Operation: 50*55=2750, Resulting Numbers: [2750] 2750,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[93, 12], Operations: ['91-41=50', '50-38=12'] Exploring Operation: 93*12=1116, Resulting Numbers: [1116] 1116,35 unequal: No Solution Exploring Operation: 93-12=81, Resulting Numbers: [81] 81,35 unequal: No Solution Exploring Operation: 93+12=105, Resulting Numbers: [105] 105,35 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: 35:[91, 38, 52], Operations: ['93-41=52'] Exploring Operation: 52-38=14, Resulting Numbers: [91, 14] Generated Node #0,2,0: 35:[91, 14] Operation: 52-38=14 Exploring Operation: 91-52=39, Resulting Numbers: [38, 39] Generated Node #0,2,1: 35:[38, 39] Operation: 91-52=39 Exploring Operation: 91-38=53, Resulting Numbers: [52, 53] Generated Node #0,2,2: 35:[52, 53] Operation: 91-38=53 Moving to Node #0,2,1 Current State: 35:[38, 39], Operations: ['93-41=52', '91-52=39'] Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,35 unequal: No Solution Exploring Operation: 38*39=1482, Resulting Numbers: [1482] 1482,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[52, 53], Operations: ['93-41=52', '91-38=53'] Exploring Operation: 53-52=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 52+53=105, Resulting Numbers: [105] 105,35 unequal: No Solution Exploring Operation: 52*53=2756, Resulting Numbers: [2756] 2756,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[91, 14], Operations: ['93-41=52', '52-38=14'] Exploring Operation: 91-14=77, Resulting Numbers: [77] 77,35 unequal: No Solution Exploring Operation: 91+14=105, Resulting Numbers: [105] 105,35 unequal: No Solution Exploring Operation: 91*14=1274, Resulting Numbers: [1274] 1274,35 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 86, 17, 92, 13 ]
36
[ "86-17=69", "92+13=105", "105-69=36" ]
Current State: 36:[86, 17, 92, 13], Operations: [] Exploring Operation: 86-17=69, Resulting Numbers: [92, 13, 69] Generated Node #2: [92, 13, 69] from Operation: 86-17=69 Current State: 36:[92, 13, 69], Operations: ['86-17=69'] Exploring Operation: 92+13=105, Resulting Numbers: [69, 105] Generated Node #3: [69, 105] from Operation: 92+13=105 Current State: 36:[69, 105], Operations: ['86-17=69', '92+13=105'] Exploring Operation: 105-69=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[86, 17, 92, 13], Operations: [] Exploring Operation: 86-17=69, Resulting Numbers: [92, 13, 69] Generated Node #0,0: 36:[92, 13, 69] Operation: 86-17=69 Exploring Operation: 86-13=73, Resulting Numbers: [17, 92, 73] Generated Node #0,1: 36:[17, 92, 73] Operation: 86-13=73 Exploring Operation: 92-86=6, Resulting Numbers: [17, 13, 6] Generated Node #0,2: 36:[17, 13, 6] Operation: 92-86=6 Exploring Operation: 92-17=75, Resulting Numbers: [86, 13, 75] Generated Node #0,3: 36:[86, 13, 75] Operation: 92-17=75 Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[17, 13, 6], Operations: ['92-86=6'] Exploring Operation: 13-6=7, Resulting Numbers: [17, 7] Generated Node #0,2,0: 36:[17, 7] Operation: 13-6=7 Exploring Operation: 17-13=4, Resulting Numbers: [6, 4] Generated Node #0,2,1: 36:[6, 4] Operation: 17-13=4 Exploring Operation: 17-6=11, Resulting Numbers: [13, 11] Generated Node #0,2,2: 36:[13, 11] Operation: 17-6=11 Exploring Operation: 13+6=19, Resulting Numbers: [17, 19] Generated Node #0,2,3: 36:[17, 19] Operation: 13+6=19 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 36:[6, 4], Operations: ['92-86=6', '17-13=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,36 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,36 unequal: No Solution No 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: 36:[17, 7], Operations: ['92-86=6', '13-6=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 17*7=119, Resulting Numbers: [119] 119,36 unequal: No Solution Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,36 unequal: No Solution No 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: 36:[13, 11], Operations: ['92-86=6', '17-6=11'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,36 unequal: No Solution Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,36 unequal: No Solution No 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: 36:[17, 19], Operations: ['92-86=6', '13+6=19'] Exploring Operation: 17*19=323, Resulting Numbers: [323] 323,36 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[86, 17, 92, 13], Operations: [] Exploring Operation: 92-86=6, Resulting Numbers: [17, 13, 6] Generated Node #0,2: 36:[17, 13, 6] Operation: 92-86=6 Moving to Node #0,2 Current State: 36:[17, 13, 6], Operations: ['92-86=6'] Exploring Operation: 13+6=19, Resulting Numbers: [17, 19] Generated Node #0,2,3: 36:[17, 19] Operation: 13+6=19 Moving to Node #0,2,3 Current State: 36:[17, 19], Operations: ['92-86=6', '13+6=19'] Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 94, 50, 26, 51 ]
19
[ "94-50=44", "51-26=25", "44-25=19" ]
Current State: 19:[94, 50, 26, 51], Operations: [] Exploring Operation: 94-50=44, Resulting Numbers: [26, 51, 44] Generated Node #2: [26, 51, 44] from Operation: 94-50=44 Current State: 19:[26, 51, 44], Operations: ['94-50=44'] Exploring Operation: 51-26=25, Resulting Numbers: [44, 25] Generated Node #3: [44, 25] from Operation: 51-26=25 Current State: 19:[44, 25], Operations: ['94-50=44', '51-26=25'] Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[94, 50, 26, 51], Operations: [] Exploring Operation: 94-26=68, Resulting Numbers: [50, 51, 68] Generated Node #0,0: 19:[50, 51, 68] Operation: 94-26=68 Exploring Operation: 94-50=44, Resulting Numbers: [26, 51, 44] Generated Node #0,1: 19:[26, 51, 44] Operation: 94-50=44 Exploring Operation: 94-51=43, Resulting Numbers: [50, 26, 43] Generated Node #0,2: 19:[50, 26, 43] Operation: 94-51=43 Exploring Operation: 50-26=24, Resulting Numbers: [94, 51, 24] Generated Node #0,3: 19:[94, 51, 24] Operation: 50-26=24 Exploring Operation: 51-50=1, Resulting Numbers: [94, 26, 1] Generated Node #0,4: 19:[94, 26, 1] Operation: 51-50=1 Moving to Node #0,2 Current State: 19:[50, 26, 43], Operations: ['94-51=43'] Exploring Operation: 43-26=17, Resulting Numbers: [50, 17] Generated Node #0,2,0: 19:[50, 17] Operation: 43-26=17 Exploring Operation: 50-43=7, Resulting Numbers: [26, 7] Generated Node #0,2,1: 19:[26, 7] Operation: 50-43=7 Exploring Operation: 50+26=76, Resulting Numbers: [43, 76] Generated Node #0,2,2: 19:[43, 76] Operation: 50+26=76 Exploring Operation: 50+43=93, Resulting Numbers: [26, 93] Generated Node #0,2,3: 19:[26, 93] Operation: 50+43=93 Exploring Operation: 50-26=24, Resulting Numbers: [43, 24] Generated Node #0,2,4: 19:[43, 24] Operation: 50-26=24 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[26, 7], Operations: ['94-51=43', '50-43=7'] Exploring Operation: 26+7=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[94, 50, 26, 51], Operations: [] Exploring Operation: 94-51=43, Resulting Numbers: [50, 26, 43] Generated Node #0,2: 19:[50, 26, 43] Operation: 94-51=43 Moving to Node #0,2 Current State: 19:[50, 26, 43], Operations: ['94-51=43'] Exploring Operation: 50-43=7, Resulting Numbers: [26, 7] Generated Node #0,2,1: 19:[26, 7] Operation: 50-43=7 Moving to Node #0,2,1 Current State: 19:[26, 7], Operations: ['94-51=43', '50-43=7'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 2, 11, 8, 35 ]
89
[ "2*35=70", "11+8=19", "70+19=89" ]
Current State: 89:[2, 11, 8, 35], Operations: [] Exploring Operation: 2*35=70, Resulting Numbers: [11, 8, 70] Generated Node #2: [11, 8, 70] from Operation: 2*35=70 Current State: 89:[11, 8, 70], Operations: ['2*35=70'] Exploring Operation: 11+8=19, Resulting Numbers: [70, 19] Generated Node #3: [70, 19] from Operation: 11+8=19 Current State: 89:[70, 19], Operations: ['2*35=70', '11+8=19'] Exploring Operation: 70+19=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[2, 11, 8, 35], Operations: [] Exploring Operation: 2*35=70, Resulting Numbers: [11, 8, 70] Generated Node #0,0: 89:[11, 8, 70] Operation: 2*35=70 Exploring Operation: 2*8=16, Resulting Numbers: [11, 35, 16] Generated Node #0,1: 89:[11, 35, 16] Operation: 2*8=16 Exploring Operation: 11*8=88, Resulting Numbers: [2, 35, 88] Generated Node #0,2: 89:[2, 35, 88] Operation: 11*8=88 Exploring Operation: 2*11=22, Resulting Numbers: [8, 35, 22] Generated Node #0,3: 89:[8, 35, 22] Operation: 2*11=22 Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[2, 35, 88], Operations: ['11*8=88'] Exploring Operation: 35-2=33, Resulting Numbers: [88, 33] Generated Node #0,2,0: 89:[88, 33] Operation: 35-2=33 Exploring Operation: 2+35=37, Resulting Numbers: [88, 37] Generated Node #0,2,1: 89:[88, 37] Operation: 2+35=37 Exploring Operation: 2+88=90, Resulting Numbers: [35, 90] Generated Node #0,2,2: 89:[35, 90] Operation: 2+88=90 Exploring Operation: 2*35=70, Resulting Numbers: [88, 70] Generated Node #0,2,3: 89:[88, 70] Operation: 2*35=70 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 89:[88, 70], Operations: ['11*8=88', '2*35=70'] Exploring Operation: 88+70=158, Resulting Numbers: [158] 158,89 unequal: No Solution Exploring Operation: 88-70=18, Resulting Numbers: [18] 18,89 unequal: No Solution Exploring Operation: 88*70=6160, Resulting Numbers: [6160] 6160,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 89:[88, 37], Operations: ['11*8=88', '2+35=37'] Exploring Operation: 88+37=125, Resulting Numbers: [125] 125,89 unequal: No Solution Exploring Operation: 88-37=51, Resulting Numbers: [51] 51,89 unequal: No Solution Exploring Operation: 88*37=3256, Resulting Numbers: [3256] 3256,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 89:[35, 90], Operations: ['11*8=88', '2+88=90'] Exploring Operation: 90-35=55, Resulting Numbers: [55] 55,89 unequal: No Solution Exploring Operation: 35+90=125, Resulting Numbers: [125] 125,89 unequal: No Solution Exploring Operation: 35*90=3150, Resulting Numbers: [3150] 3150,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 89:[88, 33], Operations: ['11*8=88', '35-2=33'] Exploring Operation: 88*33=2904, Resulting Numbers: [2904] 2904,89 unequal: No Solution Exploring Operation: 88+33=121, Resulting Numbers: [121] 121,89 unequal: No Solution Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[11, 8, 70], Operations: ['2*35=70'] Exploring Operation: 11*8=88, Resulting Numbers: [70, 88] Generated Node #0,0,0: 89:[70, 88] Operation: 11*8=88 Exploring Operation: 11+70=81, Resulting Numbers: [8, 81] Generated Node #0,0,1: 89:[8, 81] Operation: 11+70=81 Exploring Operation: 11+8=19, Resulting Numbers: [70, 19] Generated Node #0,0,2: 89:[70, 19] Operation: 11+8=19 Exploring Operation: 8+70=78, Resulting Numbers: [11, 78] Generated Node #0,0,3: 89:[11, 78] Operation: 8+70=78 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[70, 88], Operations: ['2*35=70', '11*8=88'] Exploring Operation: 70+88=158, Resulting Numbers: [158] 158,89 unequal: No Solution Exploring Operation: 88-70=18, Resulting Numbers: [18] 18,89 unequal: No Solution Exploring Operation: 70*88=6160, Resulting Numbers: [6160] 6160,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[8, 81], Operations: ['2*35=70', '11+70=81'] Exploring Operation: 8+81=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[2, 11, 8, 35], Operations: [] Exploring Operation: 2*35=70, Resulting Numbers: [11, 8, 70] Generated Node #0,0: 89:[11, 8, 70] Operation: 2*35=70 Moving to Node #0,0 Current State: 89:[11, 8, 70], Operations: ['2*35=70'] Exploring Operation: 11+70=81, Resulting Numbers: [8, 81] Generated Node #0,0,1: 89:[8, 81] Operation: 11+70=81 Moving to Node #0,0,1 Current State: 89:[8, 81], Operations: ['2*35=70', '11+70=81'] Exploring Operation: 8+81=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 44, 34, 64, 40 ]
14
[ "44-34=10", "64-40=24", "24-10=14" ]
Current State: 14:[44, 34, 64, 40], Operations: [] Exploring Operation: 44-34=10, Resulting Numbers: [64, 40, 10] Generated Node #2: [64, 40, 10] from Operation: 44-34=10 Current State: 14:[64, 40, 10], Operations: ['44-34=10'] Exploring Operation: 64-40=24, Resulting Numbers: [10, 24] Generated Node #3: [10, 24] from Operation: 64-40=24 Current State: 14:[10, 24], Operations: ['44-34=10', '64-40=24'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[44, 34, 64, 40], Operations: [] Exploring Operation: 64-44=20, Resulting Numbers: [34, 40, 20] Generated Node #0,0: 14:[34, 40, 20] Operation: 64-44=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[34, 40, 20], Operations: ['64-44=20'] Exploring Operation: 40-34=6, Resulting Numbers: [20, 6] Generated Node #0,0,0: 14:[20, 6] Operation: 40-34=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[20, 6], Operations: ['64-44=20', '40-34=6'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[44, 34, 64, 40], Operations: [] Exploring Operation: 64-44=20, Resulting Numbers: [34, 40, 20] Generated Node #0,0: 14:[34, 40, 20] Operation: 64-44=20 Moving to Node #0,0 Current State: 14:[34, 40, 20], Operations: ['64-44=20'] Exploring Operation: 40-34=6, Resulting Numbers: [20, 6] Generated Node #0,0,0: 14:[20, 6] Operation: 40-34=6 Moving to Node #0,0,0 Current State: 14:[20, 6], Operations: ['64-44=20', '40-34=6'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 81, 9, 32, 31 ]
54
[ "81/9=9", "32+31=63", "63-9=54" ]
Current State: 54:[81, 9, 32, 31], Operations: [] Exploring Operation: 81/9=9, Resulting Numbers: [32, 31, 9] Generated Node #2: [32, 31, 9] from Operation: 81/9=9 Current State: 54:[32, 31, 9], Operations: ['81/9=9'] Exploring Operation: 32+31=63, Resulting Numbers: [9, 63] Generated Node #3: [9, 63] from Operation: 32+31=63 Current State: 54:[9, 63], Operations: ['81/9=9', '32+31=63'] Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[81, 9, 32, 31], Operations: [] Exploring Operation: 81-9=72, Resulting Numbers: [32, 31, 72] Generated Node #0,0: 54:[32, 31, 72] Operation: 81-9=72 Exploring Operation: 81-32=49, Resulting Numbers: [9, 31, 49] Generated Node #0,1: 54:[9, 31, 49] Operation: 81-32=49 Exploring Operation: 81-31=50, Resulting Numbers: [9, 32, 50] Generated Node #0,2: 54:[9, 32, 50] Operation: 81-31=50 Exploring Operation: 81/9=9, Resulting Numbers: [32, 31, 9] Generated Node #0,3: 54:[32, 31, 9] Operation: 81/9=9 Moving to Node #0,1 Current State: 54:[9, 31, 49], Operations: ['81-32=49'] Exploring Operation: 49-9=40, Resulting Numbers: [31, 40] Generated Node #0,1,0: 54:[31, 40] Operation: 49-9=40 Exploring Operation: 31-9=22, Resulting Numbers: [49, 22] Generated Node #0,1,1: 54:[49, 22] Operation: 31-9=22 Exploring Operation: 9+49=58, Resulting Numbers: [31, 58] Generated Node #0,1,2: 54:[31, 58] Operation: 9+49=58 Exploring Operation: 49-31=18, Resulting Numbers: [9, 18] Generated Node #0,1,3: 54:[9, 18] Operation: 49-31=18 Moving to Node #0,3 Current State: 54:[32, 31, 9], Operations: ['81/9=9'] Exploring Operation: 32-31=1, Resulting Numbers: [9, 1] Generated Node #0,3,0: 54:[9, 1] Operation: 32-31=1 Exploring Operation: 32-9=23, Resulting Numbers: [31, 23] Generated Node #0,3,1: 54:[31, 23] Operation: 32-9=23 Exploring Operation: 32+31=63, Resulting Numbers: [9, 63] Generated Node #0,3,2: 54:[9, 63] Operation: 32+31=63 Exploring Operation: 31-9=22, Resulting Numbers: [32, 22] Generated Node #0,3,3: 54:[32, 22] Operation: 31-9=22 Moving to Node #0,2 Current State: 54:[9, 32, 50], Operations: ['81-31=50'] Exploring Operation: 50-32=18, Resulting Numbers: [9, 18] Generated Node #0,2,0: 54:[9, 18] Operation: 50-32=18 Exploring Operation: 9+50=59, Resulting Numbers: [32, 59] Generated Node #0,2,1: 54:[32, 59] Operation: 9+50=59 Exploring Operation: 9+32=41, Resulting Numbers: [50, 41] Generated Node #0,2,2: 54:[50, 41] Operation: 9+32=41 Exploring Operation: 32-9=23, Resulting Numbers: [50, 23] Generated Node #0,2,3: 54:[50, 23] Operation: 32-9=23 Moving to Node #0,0 Current State: 54:[32, 31, 72], Operations: ['81-9=72'] Exploring Operation: 32-31=1, Resulting Numbers: [72, 1] Generated Node #0,0,0: 54:[72, 1] Operation: 32-31=1 Exploring Operation: 72-32=40, Resulting Numbers: [31, 40] Generated Node #0,0,1: 54:[31, 40] Operation: 72-32=40 Exploring Operation: 72-31=41, Resulting Numbers: [32, 41] Generated Node #0,0,2: 54:[32, 41] Operation: 72-31=41 Exploring Operation: 32+31=63, Resulting Numbers: [72, 63] Generated Node #0,0,3: 54:[72, 63] Operation: 32+31=63 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[31, 40], Operations: ['81-9=72', '72-32=40'] Exploring Operation: 31+40=71, Resulting Numbers: [71] 71,54 unequal: No Solution Exploring Operation: 31*40=1240, Resulting Numbers: [1240] 1240,54 unequal: No Solution Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 54:[32, 41], Operations: ['81-9=72', '72-31=41'] Exploring Operation: 32*41=1312, Resulting Numbers: [1312] 1312,54 unequal: No Solution Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 32+41=73, Resulting Numbers: [73] 73,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[72, 1], Operations: ['81-9=72', '32-31=1'] Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,54 unequal: No Solution Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,54 unequal: No Solution Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,54 unequal: No Solution Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 54:[72, 63], Operations: ['81-9=72', '32+31=63'] Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 72+63=135, Resulting Numbers: [135] 135,54 unequal: No Solution Exploring Operation: 72*63=4536, Resulting Numbers: [4536] 4536,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 54:[9, 18], Operations: ['81-32=49', '49-31=18'] Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 9*18=162, Resulting Numbers: [162] 162,54 unequal: No Solution Moving to Node #0,2,0 Current State: 54:[9, 18], Operations: ['81-31=50', '50-32=18'] Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 9*18=162, Resulting Numbers: [162] 162,54 unequal: No Solution Moving to Node #0,3,0 Current State: 54:[9, 1], Operations: ['81/9=9', '32-31=1'] Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,54 unequal: No Solution Moving to Node #0,3,1 Current State: 54:[31, 23], Operations: ['81/9=9', '32-9=23'] Exploring Operation: 31*23=713, Resulting Numbers: [713] 713,54 unequal: No Solution Exploring Operation: 31+23=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[81, 9, 32, 31], Operations: [] Exploring Operation: 81/9=9, Resulting Numbers: [32, 31, 9] Generated Node #0,3: 54:[32, 31, 9] Operation: 81/9=9 Moving to Node #0,3 Current State: 54:[32, 31, 9], Operations: ['81/9=9'] Exploring Operation: 32-9=23, Resulting Numbers: [31, 23] Generated Node #0,3,1: 54:[31, 23] Operation: 32-9=23 Moving to Node #0,3,1 Current State: 54:[31, 23], Operations: ['81/9=9', '32-9=23'] Exploring Operation: 31+23=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.955729
hs_4
sum_heuristic
[ 25, 29, 39, 3 ]
85
[ "25*3=75", "39-29=10", "75+10=85" ]
Current State: 85:[25, 29, 39, 3], Operations: [] Exploring Operation: 25*3=75, Resulting Numbers: [29, 39, 75] Generated Node #2: [29, 39, 75] from Operation: 25*3=75 Current State: 85:[29, 39, 75], Operations: ['25*3=75'] Exploring Operation: 39-29=10, Resulting Numbers: [75, 10] Generated Node #3: [75, 10] from Operation: 39-29=10 Current State: 85:[75, 10], Operations: ['25*3=75', '39-29=10'] Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[25, 29, 39, 3], Operations: [] Exploring Operation: 39/3=13, Resulting Numbers: [25, 29, 13] Generated Node #0,0: 85:[25, 29, 13] Operation: 39/3=13 Exploring Operation: 39-25=14, Resulting Numbers: [29, 3, 14] Generated Node #0,1: 85:[29, 3, 14] Operation: 39-25=14 Exploring Operation: 29+39=68, Resulting Numbers: [25, 3, 68] Generated Node #0,2: 85:[25, 3, 68] Operation: 29+39=68 Exploring Operation: 29-25=4, Resulting Numbers: [39, 3, 4] Generated Node #0,3: 85:[39, 3, 4] Operation: 29-25=4 Exploring Operation: 39-29=10, Resulting Numbers: [25, 3, 10] Generated Node #0,4: 85:[25, 3, 10] Operation: 39-29=10 Start Sub Search at level 1: Moving to Node #0,4 Current State: 85:[25, 3, 10], Operations: ['39-29=10'] Exploring Operation: 3+10=13, Resulting Numbers: [25, 13] Generated Node #0,4,0: 85:[25, 13] Operation: 3+10=13 Exploring Operation: 25-10=15, Resulting Numbers: [3, 15] Generated Node #0,4,1: 85:[3, 15] Operation: 25-10=15 Exploring Operation: 10-3=7, Resulting Numbers: [25, 7] Generated Node #0,4,2: 85:[25, 7] Operation: 10-3=7 Exploring Operation: 25-3=22, Resulting Numbers: [10, 22] Generated Node #0,4,3: 85:[10, 22] Operation: 25-3=22 Exploring Operation: 25*3=75, Resulting Numbers: [10, 75] Generated Node #0,4,4: 85:[10, 75] Operation: 25*3=75 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 85:[3, 15], Operations: ['39-29=10', '25-10=15'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,85 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 85:[25, 7], Operations: ['39-29=10', '10-3=7'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,85 unequal: No Solution Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 85:[10, 22], Operations: ['39-29=10', '25-3=22'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,85 unequal: No Solution Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,85 unequal: No Solution Exploring Operation: 10*22=220, Resulting Numbers: [220] 220,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 85:[25, 13], Operations: ['39-29=10', '3+10=13'] Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,85 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,85 unequal: No Solution Exploring Operation: 25*13=325, Resulting Numbers: [325] 325,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 85:[10, 75], Operations: ['39-29=10', '25*3=75'] Exploring Operation: 10+75=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[25, 29, 39, 3], Operations: [] Exploring Operation: 39-29=10, Resulting Numbers: [25, 3, 10] Generated Node #0,4: 85:[25, 3, 10] Operation: 39-29=10 Moving to Node #0,4 Current State: 85:[25, 3, 10], Operations: ['39-29=10'] Exploring Operation: 25*3=75, Resulting Numbers: [10, 75] Generated Node #0,4,4: 85:[10, 75] Operation: 25*3=75 Moving to Node #0,4,4 Current State: 85:[10, 75], Operations: ['39-29=10', '25*3=75'] Exploring Operation: 10+75=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.975694
hs_5
sum_heuristic
[ 78, 11, 99, 54 ]
64
[ "78+11=89", "99+54=153", "153-89=64" ]
Current State: 64:[78, 11, 99, 54], Operations: [] Exploring Operation: 78+11=89, Resulting Numbers: [99, 54, 89] Generated Node #2: [99, 54, 89] from Operation: 78+11=89 Current State: 64:[99, 54, 89], Operations: ['78+11=89'] Exploring Operation: 99+54=153, Resulting Numbers: [89, 153] Generated Node #3: [89, 153] from Operation: 99+54=153 Current State: 64:[89, 153], Operations: ['78+11=89', '99+54=153'] Exploring Operation: 153-89=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[78, 11, 99, 54], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [78, 54, 9] Generated Node #0,0: 64:[78, 54, 9] Operation: 99/11=9 Exploring Operation: 78-54=24, Resulting Numbers: [11, 99, 24] Generated Node #0,1: 64:[11, 99, 24] Operation: 78-54=24 Exploring Operation: 99-78=21, Resulting Numbers: [11, 54, 21] Generated Node #0,2: 64:[11, 54, 21] Operation: 99-78=21 Exploring Operation: 99-54=45, Resulting Numbers: [78, 11, 45] Generated Node #0,3: 64:[78, 11, 45] Operation: 99-54=45 Moving to Node #0,2 Current State: 64:[11, 54, 21], Operations: ['99-78=21'] Exploring Operation: 11+21=32, Resulting Numbers: [54, 32] Generated Node #0,2,0: 64:[54, 32] Operation: 11+21=32 Exploring Operation: 11+54=65, Resulting Numbers: [21, 65] Generated Node #0,2,1: 64:[21, 65] Operation: 11+54=65 Exploring Operation: 54-21=33, Resulting Numbers: [11, 33] Generated Node #0,2,2: 64:[11, 33] Operation: 54-21=33 Exploring Operation: 21-11=10, Resulting Numbers: [54, 10] Generated Node #0,2,3: 64:[54, 10] Operation: 21-11=10 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 64:[11, 33], Operations: ['99-78=21', '54-21=33'] Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,64 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 11*33=363, Resulting Numbers: [363] 363,64 unequal: No Solution Exploring Operation: 11+33=44, Resulting Numbers: [44] 44,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[21, 65], Operations: ['99-78=21', '11+54=65'] Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,64 unequal: No Solution Exploring Operation: 21+65=86, Resulting Numbers: [86] 86,64 unequal: No Solution Exploring Operation: 21*65=1365, Resulting Numbers: [1365] 1365,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 64:[54, 32], Operations: ['99-78=21', '11+21=32'] Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,64 unequal: No Solution Exploring Operation: 54+32=86, Resulting Numbers: [86] 86,64 unequal: No Solution Exploring Operation: 54*32=1728, Resulting Numbers: [1728] 1728,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 64:[54, 10], Operations: ['99-78=21', '21-11=10'] Exploring Operation: 54*10=540, Resulting Numbers: [540] 540,64 unequal: No Solution Exploring Operation: 54+10=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[78, 11, 99, 54], Operations: [] Exploring Operation: 99-78=21, Resulting Numbers: [11, 54, 21] Generated Node #0,2: 64:[11, 54, 21] Operation: 99-78=21 Moving to Node #0,2 Current State: 64:[11, 54, 21], Operations: ['99-78=21'] Exploring Operation: 21-11=10, Resulting Numbers: [54, 10] Generated Node #0,2,3: 64:[54, 10] Operation: 21-11=10 Moving to Node #0,2,3 Current State: 64:[54, 10], Operations: ['99-78=21', '21-11=10'] Exploring Operation: 54+10=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 67, 89, 2, 61 ]
78
[ "89-67=22", "61-22=39", "2*39=78" ]
Current State: 78:[67, 89, 2, 61], Operations: [] Exploring Operation: 89-67=22, Resulting Numbers: [2, 61, 22] Generated Node #2: [2, 61, 22] from Operation: 89-67=22 Current State: 78:[2, 61, 22], Operations: ['89-67=22'] Exploring Operation: 61-22=39, Resulting Numbers: [2, 39] Generated Node #3: [2, 39] from Operation: 61-22=39 Current State: 78:[2, 39], Operations: ['89-67=22', '61-22=39'] Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[67, 89, 2, 61], Operations: [] Exploring Operation: 89-67=22, Resulting Numbers: [2, 61, 22] Generated Node #0,0: 78:[2, 61, 22] Operation: 89-67=22 Exploring Operation: 89-61=28, Resulting Numbers: [67, 2, 28] Generated Node #0,1: 78:[67, 2, 28] Operation: 89-61=28 Exploring Operation: 67-61=6, Resulting Numbers: [89, 2, 6] Generated Node #0,2: 78:[89, 2, 6] Operation: 67-61=6 Exploring Operation: 67+2=69, Resulting Numbers: [89, 61, 69] Generated Node #0,3: 78:[89, 61, 69] Operation: 67+2=69 Moving to Node #0,2 Current State: 78:[89, 2, 6], Operations: ['67-61=6'] Exploring Operation: 2*6=12, Resulting Numbers: [89, 12] Generated Node #0,2,0: 78:[89, 12] Operation: 2*6=12 Exploring Operation: 89-6=83, Resulting Numbers: [2, 83] Generated Node #0,2,1: 78:[2, 83] Operation: 89-6=83 Exploring Operation: 89-2=87, Resulting Numbers: [6, 87] Generated Node #0,2,2: 78:[6, 87] Operation: 89-2=87 Exploring Operation: 6/2=3, Resulting Numbers: [89, 3] Generated Node #0,2,3: 78:[89, 3] Operation: 6/2=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 78:[2, 83], Operations: ['67-61=6', '89-6=83'] Exploring Operation: 2+83=85, Resulting Numbers: [85] 85,78 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,78 unequal: No Solution Exploring Operation: 2*83=166, Resulting Numbers: [166] 166,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 78:[6, 87], Operations: ['67-61=6', '89-2=87'] Exploring Operation: 6*87=522, Resulting Numbers: [522] 522,78 unequal: No Solution Exploring Operation: 6+87=93, Resulting Numbers: [93] 93,78 unequal: No Solution Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 78:[89, 3], Operations: ['67-61=6', '6/2=3'] Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,78 unequal: No Solution Exploring Operation: 89*3=267, Resulting Numbers: [267] 267,78 unequal: No Solution Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 78:[89, 12], Operations: ['67-61=6', '2*6=12'] Exploring Operation: 89+12=101, Resulting Numbers: [101] 101,78 unequal: No Solution Exploring Operation: 89-12=77, Resulting Numbers: [77] 77,78 unequal: No Solution Exploring Operation: 89*12=1068, Resulting Numbers: [1068] 1068,78 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: 78:[67, 2, 28], Operations: ['89-61=28'] Exploring Operation: 67-28=39, Resulting Numbers: [2, 39] Generated Node #0,1,0: 78:[2, 39] Operation: 67-28=39 Exploring Operation: 28-2=26, Resulting Numbers: [67, 26] Generated Node #0,1,1: 78:[67, 26] Operation: 28-2=26 Exploring Operation: 67+2=69, Resulting Numbers: [28, 69] Generated Node #0,1,2: 78:[28, 69] Operation: 67+2=69 Exploring Operation: 28/2=14, Resulting Numbers: [67, 14] Generated Node #0,1,3: 78:[67, 14] Operation: 28/2=14 Moving to Node #0,0 Current State: 78:[2, 61, 22], Operations: ['89-67=22'] Exploring Operation: 61-22=39, Resulting Numbers: [2, 39] Generated Node #0,0,0: 78:[2, 39] Operation: 61-22=39 Exploring Operation: 2+22=24, Resulting Numbers: [61, 24] Generated Node #0,0,1: 78:[61, 24] Operation: 2+22=24 Exploring Operation: 2+61=63, Resulting Numbers: [22, 63] Generated Node #0,0,2: 78:[22, 63] Operation: 2+61=63 Exploring Operation: 61+22=83, Resulting Numbers: [2, 83] Generated Node #0,0,3: 78:[2, 83] Operation: 61+22=83 Moving to Node #0,3 Current State: 78:[89, 61, 69], Operations: ['67+2=69'] Exploring Operation: 89-69=20, Resulting Numbers: [61, 20] Generated Node #0,3,0: 78:[61, 20] Operation: 89-69=20 Exploring Operation: 61+69=130, Resulting Numbers: [89, 130] Generated Node #0,3,1: 78:[89, 130] Operation: 61+69=130 Exploring Operation: 89-61=28, Resulting Numbers: [69, 28] Generated Node #0,3,2: 78:[69, 28] Operation: 89-61=28 Exploring Operation: 69-61=8, Resulting Numbers: [89, 8] Generated Node #0,3,3: 78:[89, 8] Operation: 69-61=8 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 78:[69, 28], Operations: ['67+2=69', '89-61=28'] Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,78 unequal: No Solution Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,78 unequal: No Solution Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 78:[89, 8], Operations: ['67+2=69', '69-61=8'] Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,78 unequal: No Solution Exploring Operation: 89+8=97, Resulting Numbers: [97] 97,78 unequal: No Solution Exploring Operation: 89*8=712, Resulting Numbers: [712] 712,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 78:[61, 20], Operations: ['67+2=69', '89-69=20'] Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,78 unequal: No Solution Exploring Operation: 61*20=1220, Resulting Numbers: [1220] 1220,78 unequal: No Solution Exploring Operation: 61+20=81, Resulting Numbers: [81] 81,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 78:[89, 130], Operations: ['67+2=69', '61+69=130'] Exploring Operation: 130-89=41, Resulting Numbers: [41] 41,78 unequal: No Solution Exploring Operation: 89+130=219, Resulting Numbers: [219] 219,78 unequal: No Solution Exploring Operation: 89*130=11570, Resulting Numbers: [11570] 11570,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 78:[2, 39], Operations: ['89-61=28', '67-28=39'] Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,78 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,78 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[67, 89, 2, 61], Operations: [] Exploring Operation: 89-61=28, Resulting Numbers: [67, 2, 28] Generated Node #0,1: 78:[67, 2, 28] Operation: 89-61=28 Moving to Node #0,1 Current State: 78:[67, 2, 28], Operations: ['89-61=28'] Exploring Operation: 67-28=39, Resulting Numbers: [2, 39] Generated Node #0,1,0: 78:[2, 39] Operation: 67-28=39 Moving to Node #0,1,0 Current State: 78:[2, 39], Operations: ['89-61=28', '67-28=39'] Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
0.955729
hs_4
mult_heuristic
[ 32, 48, 69, 8 ]
88
[ "32+48=80", "80-69=11", "8*11=88" ]
Current State: 88:[32, 48, 69, 8], Operations: [] Exploring Operation: 32+48=80, Resulting Numbers: [69, 8, 80] Generated Node #2: [69, 8, 80] from Operation: 32+48=80 Current State: 88:[69, 8, 80], Operations: ['32+48=80'] Exploring Operation: 80-69=11, Resulting Numbers: [8, 11] Generated Node #3: [8, 11] from Operation: 80-69=11 Current State: 88:[8, 11], Operations: ['32+48=80', '80-69=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[32, 48, 69, 8], Operations: [] Exploring Operation: 69-48=21, Resulting Numbers: [32, 8, 21] Generated Node #0,0: 88:[32, 8, 21] Operation: 69-48=21 Exploring Operation: 69-32=37, Resulting Numbers: [48, 8, 37] Generated Node #0,1: 88:[48, 8, 37] Operation: 69-32=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[32, 8, 21], Operations: ['69-48=21'] Exploring Operation: 32/8=4, Resulting Numbers: [21, 4] Generated Node #0,0,0: 88:[21, 4] Operation: 32/8=4 Exploring Operation: 32-21=11, Resulting Numbers: [8, 11] Generated Node #0,0,1: 88:[8, 11] Operation: 32-21=11 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 88:[8, 11], Operations: ['69-48=21', '32-21=11'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[32, 48, 69, 8], Operations: [] Exploring Operation: 69-48=21, Resulting Numbers: [32, 8, 21] Generated Node #0,0: 88:[32, 8, 21] Operation: 69-48=21 Moving to Node #0,0 Current State: 88:[32, 8, 21], Operations: ['69-48=21'] Exploring Operation: 32-21=11, Resulting Numbers: [8, 11] Generated Node #0,0,1: 88:[8, 11] Operation: 32-21=11 Moving to Node #0,0,1 Current State: 88:[8, 11], Operations: ['69-48=21', '32-21=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 73, 48, 60, 2 ]
83
[ "73-48=25", "60-2=58", "25+58=83" ]
Current State: 83:[73, 48, 60, 2], Operations: [] Exploring Operation: 73-48=25, Resulting Numbers: [60, 2, 25] Generated Node #2: [60, 2, 25] from Operation: 73-48=25 Current State: 83:[60, 2, 25], Operations: ['73-48=25'] Exploring Operation: 60-2=58, Resulting Numbers: [25, 58] Generated Node #3: [25, 58] from Operation: 60-2=58 Current State: 83:[25, 58], Operations: ['73-48=25', '60-2=58'] Exploring Operation: 25+58=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[73, 48, 60, 2], Operations: [] Exploring Operation: 48*2=96, Resulting Numbers: [73, 60, 96] Generated Node #0,0: 83:[73, 60, 96] Operation: 48*2=96 Exploring Operation: 73+2=75, Resulting Numbers: [48, 60, 75] Generated Node #0,1: 83:[48, 60, 75] Operation: 73+2=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[73, 60, 96], Operations: ['48*2=96'] Exploring Operation: 73+60=133, Resulting Numbers: [96, 133] Generated Node #0,0,0: 83:[96, 133] Operation: 73+60=133 Exploring Operation: 96-60=36, Resulting Numbers: [73, 36] Generated Node #0,0,1: 83:[73, 36] Operation: 96-60=36 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 83:[73, 36], Operations: ['48*2=96', '96-60=36'] Exploring Operation: 73+36=109, Resulting Numbers: [109] 109,83 unequal: No Solution Exploring Operation: 73-36=37, Resulting Numbers: [37] 37,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[96, 133], Operations: ['48*2=96', '73+60=133'] Exploring Operation: 133-96=37, Resulting Numbers: [37] 37,83 unequal: No Solution Exploring Operation: 96+133=229, Resulting Numbers: [229] 229,83 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: 83:[48, 60, 75], Operations: ['73+2=75'] Exploring Operation: 48+75=123, Resulting Numbers: [60, 123] Generated Node #0,1,0: 83:[60, 123] Operation: 48+75=123 Exploring Operation: 48+60=108, Resulting Numbers: [75, 108] Generated Node #0,1,1: 83:[75, 108] Operation: 48+60=108 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 83:[75, 108], Operations: ['73+2=75', '48+60=108'] Exploring Operation: 108-75=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 75+108=183, Resulting Numbers: [183] 183,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[60, 123], Operations: ['73+2=75', '48+75=123'] Exploring Operation: 123-60=63, Resulting Numbers: [63] 63,83 unequal: No Solution Exploring Operation: 60+123=183, Resulting Numbers: [183] 183,83 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
[ 28, 86, 28, 4 ]
26
[ "86-28=58", "28+4=32", "58-32=26" ]
Current State: 26:[28, 86, 28, 4], Operations: [] Exploring Operation: 86-28=58, Resulting Numbers: [4, 58] Generated Node #2: [4, 58] from Operation: 86-28=58 Current State: 26:[4, 58], Operations: ['86-28=58'] Exploring Operation: 28+4=32, Resulting Numbers: [58, 32] Generated Node #3: [58, 32] from Operation: 28+4=32 Current State: 26:[58, 32], Operations: ['86-28=58', '28+4=32'] Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[28, 86, 28, 4], Operations: [] Exploring Operation: 86-28=58, Resulting Numbers: [28, 4, 58] Generated Node #0,0: 26:[28, 4, 58] Operation: 86-28=58 Exploring Operation: 86-28=58, Resulting Numbers: [28, 4, 58] Generated Node #0,1: 26:[28, 4, 58] Operation: 86-28=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[28, 4, 58], Operations: ['86-28=58'] Exploring Operation: 58-4=54, Resulting Numbers: [28, 54] Generated Node #0,0,0: 26:[28, 54] Operation: 58-4=54 Exploring Operation: 58-28=30, Resulting Numbers: [4, 30] Generated Node #0,0,1: 26:[4, 30] Operation: 58-28=30 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 26:[4, 30], Operations: ['86-28=58', '58-28=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[28, 86, 28, 4], Operations: [] Exploring Operation: 86-28=58, Resulting Numbers: [28, 4, 58] Generated Node #0,0: 26:[28, 4, 58] Operation: 86-28=58 Moving to Node #0,0 Current State: 26:[28, 4, 58], Operations: ['86-28=58'] Exploring Operation: 58-28=30, Resulting Numbers: [4, 30] Generated Node #0,0,1: 26:[4, 30] Operation: 58-28=30 Moving to Node #0,0,1 Current State: 26:[4, 30], Operations: ['86-28=58', '58-28=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 48, 66, 47, 81 ]
45
[ "81-48=33", "66/33=2", "47-2=45" ]
Current State: 45:[48, 66, 47, 81], Operations: [] Exploring Operation: 81-48=33, Resulting Numbers: [66, 47, 33] Generated Node #2: [66, 47, 33] from Operation: 81-48=33 Current State: 45:[66, 47, 33], Operations: ['81-48=33'] Exploring Operation: 66/33=2, Resulting Numbers: [47, 2] Generated Node #3: [47, 2] from Operation: 66/33=2 Current State: 45:[47, 2], Operations: ['81-48=33', '66/33=2'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[48, 66, 47, 81], Operations: [] Exploring Operation: 81-48=33, Resulting Numbers: [66, 47, 33] Generated Node #0,0: 45:[66, 47, 33] Operation: 81-48=33 Exploring Operation: 81-66=15, Resulting Numbers: [48, 47, 15] Generated Node #0,1: 45:[48, 47, 15] Operation: 81-66=15 Exploring Operation: 81-47=34, Resulting Numbers: [48, 66, 34] Generated Node #0,2: 45:[48, 66, 34] Operation: 81-47=34 Exploring Operation: 66-48=18, Resulting Numbers: [47, 81, 18] Generated Node #0,3: 45:[47, 81, 18] Operation: 66-48=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[48, 47, 15], Operations: ['81-66=15'] Exploring Operation: 48-15=33, Resulting Numbers: [47, 33] Generated Node #0,1,0: 45:[47, 33] Operation: 48-15=33 Exploring Operation: 47-15=32, Resulting Numbers: [48, 32] Generated Node #0,1,1: 45:[48, 32] Operation: 47-15=32 Exploring Operation: 48-47=1, Resulting Numbers: [15, 1] Generated Node #0,1,2: 45:[15, 1] Operation: 48-47=1 Exploring Operation: 48+15=63, Resulting Numbers: [47, 63] Generated Node #0,1,3: 45:[47, 63] Operation: 48+15=63 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[15, 1], Operations: ['81-66=15', '48-47=1'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,45 unequal: No Solution No 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: 45:[47, 33], Operations: ['81-66=15', '48-15=33'] Exploring Operation: 47*33=1551, Resulting Numbers: [1551] 1551,45 unequal: No Solution Exploring Operation: 47+33=80, Resulting Numbers: [80] 80,45 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,45 unequal: No Solution No 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: 45:[48, 32], Operations: ['81-66=15', '47-15=32'] Exploring Operation: 48*32=1536, Resulting Numbers: [1536] 1536,45 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,45 unequal: No Solution Exploring Operation: 48+32=80, Resulting Numbers: [80] 80,45 unequal: No Solution No 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: 45:[47, 63], Operations: ['81-66=15', '48+15=63'] Exploring Operation: 47*63=2961, Resulting Numbers: [2961] 2961,45 unequal: No Solution Exploring Operation: 63-47=16, Resulting Numbers: [16] 16,45 unequal: No Solution Exploring Operation: 47+63=110, Resulting Numbers: [110] 110,45 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: 45:[66, 47, 33], Operations: ['81-48=33'] Exploring Operation: 66-47=19, Resulting Numbers: [33, 19] Generated Node #0,0,0: 45:[33, 19] Operation: 66-47=19 Exploring Operation: 66/33=2, Resulting Numbers: [47, 2] Generated Node #0,0,1: 45:[47, 2] Operation: 66/33=2 Exploring Operation: 47-33=14, Resulting Numbers: [66, 14] Generated Node #0,0,2: 45:[66, 14] Operation: 47-33=14 Exploring Operation: 66-33=33, Resulting Numbers: [47, 33] Generated Node #0,0,3: 45:[47, 33] Operation: 66-33=33 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[47, 2], Operations: ['81-48=33', '66/33=2'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[48, 66, 47, 81], Operations: [] Exploring Operation: 81-48=33, Resulting Numbers: [66, 47, 33] Generated Node #0,0: 45:[66, 47, 33] Operation: 81-48=33 Moving to Node #0,0 Current State: 45:[66, 47, 33], Operations: ['81-48=33'] Exploring Operation: 66/33=2, Resulting Numbers: [47, 2] Generated Node #0,0,1: 45:[47, 2] Operation: 66/33=2 Moving to Node #0,0,1 Current State: 45:[47, 2], Operations: ['81-48=33', '66/33=2'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 58, 75, 3, 6 ]
92
[ "75/3=25", "6*25=150", "150-58=92" ]
Current State: 92:[58, 75, 3, 6], Operations: [] Exploring Operation: 75/3=25, Resulting Numbers: [58, 6, 25] Generated Node #2: [58, 6, 25] from Operation: 75/3=25 Current State: 92:[58, 6, 25], Operations: ['75/3=25'] Exploring Operation: 6*25=150, Resulting Numbers: [58, 150] Generated Node #3: [58, 150] from Operation: 6*25=150 Current State: 92:[58, 150], Operations: ['75/3=25', '6*25=150'] Exploring Operation: 150-58=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[58, 75, 3, 6], Operations: [] Exploring Operation: 75/3=25, Resulting Numbers: [58, 6, 25] Generated Node #0,0: 92:[58, 6, 25] Operation: 75/3=25 Exploring Operation: 75-58=17, Resulting Numbers: [3, 6, 17] Generated Node #0,1: 92:[3, 6, 17] Operation: 75-58=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[3, 6, 17], Operations: ['75-58=17'] Exploring Operation: 3+17=20, Resulting Numbers: [6, 20] Generated Node #0,1,0: 92:[6, 20] Operation: 3+17=20 Exploring Operation: 6+17=23, Resulting Numbers: [3, 23] Generated Node #0,1,1: 92:[3, 23] Operation: 6+17=23 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 92:[3, 23], Operations: ['75-58=17', '6+17=23'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,92 unequal: No Solution Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[6, 20], Operations: ['75-58=17', '3+17=20'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,92 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,92 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:[58, 6, 25], Operations: ['75/3=25'] Exploring Operation: 58-6=52, Resulting Numbers: [25, 52] Generated Node #0,0,0: 92:[25, 52] Operation: 58-6=52 Exploring Operation: 58+25=83, Resulting Numbers: [6, 83] Generated Node #0,0,1: 92:[6, 83] Operation: 58+25=83 Moving to Node #0,0,0 Current State: 92:[25, 52], Operations: ['75/3=25', '58-6=52'] Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,92 unequal: No Solution Exploring Operation: 25+52=77, Resulting Numbers: [77] 77,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[6, 83], Operations: ['75/3=25', '58+25=83'] Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,92 unequal: No Solution Exploring Operation: 6+83=89, Resulting Numbers: [89] 89,92 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
[ 18, 92, 34, 55 ]
48
[ "92+34=126", "126/18=7", "55-7=48" ]
Current State: 48:[18, 92, 34, 55], Operations: [] Exploring Operation: 92+34=126, Resulting Numbers: [18, 55, 126] Generated Node #2: [18, 55, 126] from Operation: 92+34=126 Current State: 48:[18, 55, 126], Operations: ['92+34=126'] Exploring Operation: 126/18=7, Resulting Numbers: [55, 7] Generated Node #3: [55, 7] from Operation: 126/18=7 Current State: 48:[55, 7], Operations: ['92+34=126', '126/18=7'] Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[18, 92, 34, 55], Operations: [] Exploring Operation: 92-55=37, Resulting Numbers: [18, 34, 37] Generated Node #0,0: 48:[18, 34, 37] Operation: 92-55=37 Exploring Operation: 92-34=58, Resulting Numbers: [18, 55, 58] Generated Node #0,1: 48:[18, 55, 58] Operation: 92-34=58 Exploring Operation: 92-18=74, Resulting Numbers: [34, 55, 74] Generated Node #0,2: 48:[34, 55, 74] Operation: 92-18=74 Moving to Node #0,1 Current State: 48:[18, 55, 58], Operations: ['92-34=58'] Exploring Operation: 58-18=40, Resulting Numbers: [55, 40] Generated Node #0,1,0: 48:[55, 40] Operation: 58-18=40 Exploring Operation: 55-18=37, Resulting Numbers: [58, 37] Generated Node #0,1,1: 48:[58, 37] Operation: 55-18=37 Exploring Operation: 58-55=3, Resulting Numbers: [18, 3] Generated Node #0,1,2: 48:[18, 3] Operation: 58-55=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[18, 3], Operations: ['92-34=58', '58-55=3'] Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,48 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[55, 40], Operations: ['92-34=58', '58-18=40'] Exploring Operation: 55+40=95, Resulting Numbers: [95] 95,48 unequal: No Solution Exploring Operation: 55*40=2200, Resulting Numbers: [2200] 2200,48 unequal: No Solution Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[58, 37], Operations: ['92-34=58', '55-18=37'] Exploring Operation: 58+37=95, Resulting Numbers: [95] 95,48 unequal: No Solution Exploring Operation: 58-37=21, Resulting Numbers: [21] 21,48 unequal: No Solution Exploring Operation: 58*37=2146, Resulting Numbers: [2146] 2146,48 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: 48:[18, 34, 37], Operations: ['92-55=37'] Exploring Operation: 37-34=3, Resulting Numbers: [18, 3] Generated Node #0,0,0: 48:[18, 3] Operation: 37-34=3 Exploring Operation: 34-18=16, Resulting Numbers: [37, 16] Generated Node #0,0,1: 48:[37, 16] Operation: 34-18=16 Exploring Operation: 37-18=19, Resulting Numbers: [34, 19] Generated Node #0,0,2: 48:[34, 19] Operation: 37-18=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[18, 3], Operations: ['92-55=37', '37-34=3'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[37, 16], Operations: ['92-55=37', '34-18=16'] Exploring Operation: 37*16=592, Resulting Numbers: [592] 592,48 unequal: No Solution Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,48 unequal: No Solution Exploring Operation: 37+16=53, Resulting Numbers: [53] 53,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 48:[34, 19], Operations: ['92-55=37', '37-18=19'] Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,48 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 34*19=646, Resulting Numbers: [646] 646,48 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: 48:[34, 55, 74], Operations: ['92-18=74'] Exploring Operation: 55-34=21, Resulting Numbers: [74, 21] Generated Node #0,2,0: 48:[74, 21] Operation: 55-34=21 Exploring Operation: 74-55=19, Resulting Numbers: [34, 19] Generated Node #0,2,1: 48:[34, 19] Operation: 74-55=19 Exploring Operation: 74-34=40, Resulting Numbers: [55, 40] Generated Node #0,2,2: 48:[55, 40] Operation: 74-34=40 Moving to Node #0,2,1 Current State: 48:[34, 19], Operations: ['92-18=74', '74-55=19'] Exploring Operation: 34*19=646, Resulting Numbers: [646] 646,48 unequal: No Solution Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,48 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[55, 40], Operations: ['92-18=74', '74-34=40'] Exploring Operation: 55+40=95, Resulting Numbers: [95] 95,48 unequal: No Solution Exploring Operation: 55*40=2200, Resulting Numbers: [2200] 2200,48 unequal: No Solution Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[74, 21], Operations: ['92-18=74', '55-34=21'] Exploring Operation: 74+21=95, Resulting Numbers: [95] 95,48 unequal: No Solution Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,48 unequal: No Solution Exploring Operation: 74*21=1554, Resulting Numbers: [1554] 1554,48 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 36, 4, 3, 72 ]
16
[ "36+4=40", "72/3=24", "40-24=16" ]
Current State: 16:[36, 4, 3, 72], Operations: [] Exploring Operation: 36+4=40, Resulting Numbers: [3, 72, 40] Generated Node #2: [3, 72, 40] from Operation: 36+4=40 Current State: 16:[3, 72, 40], Operations: ['36+4=40'] Exploring Operation: 72/3=24, Resulting Numbers: [40, 24] Generated Node #3: [40, 24] from Operation: 72/3=24 Current State: 16:[40, 24], Operations: ['36+4=40', '72/3=24'] Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[36, 4, 3, 72], Operations: [] Exploring Operation: 72/4=18, Resulting Numbers: [36, 3, 18] Generated Node #0,0: 16:[36, 3, 18] Operation: 72/4=18 Exploring Operation: 72/36=2, Resulting Numbers: [4, 3, 2] Generated Node #0,1: 16:[4, 3, 2] Operation: 72/36=2 Exploring Operation: 72-36=36, Resulting Numbers: [4, 3, 36] Generated Node #0,2: 16:[4, 3, 36] Operation: 72-36=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[4, 3, 2], Operations: ['72/36=2'] Exploring Operation: 4+3=7, Resulting Numbers: [2, 7] Generated Node #0,1,0: 16:[2, 7] Operation: 4+3=7 Exploring Operation: 4*2=8, Resulting Numbers: [3, 8] Generated Node #0,1,1: 16:[3, 8] Operation: 4*2=8 Exploring Operation: 4-3=1, Resulting Numbers: [2, 1] Generated Node #0,1,2: 16:[2, 1] Operation: 4-3=1 Moving to Node #0,1,0 Current State: 16:[2, 7], Operations: ['72/36=2', '4+3=7'] Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[3, 8], Operations: ['72/36=2', '4*2=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[2, 1], Operations: ['72/36=2', '4-3=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[4, 3, 36], Operations: ['72-36=36'] Exploring Operation: 36-4=32, Resulting Numbers: [3, 32] Generated Node #0,2,0: 16:[3, 32] Operation: 36-4=32 Exploring Operation: 36/3=12, Resulting Numbers: [4, 12] Generated Node #0,2,1: 16:[4, 12] Operation: 36/3=12 Exploring Operation: 36/4=9, Resulting Numbers: [3, 9] Generated Node #0,2,2: 16:[3, 9] Operation: 36/4=9 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 16:[3, 9], Operations: ['72-36=36', '36/4=9'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,16 unequal: No Solution No 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: 16:[4, 12], Operations: ['72-36=36', '36/3=12'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[36, 4, 3, 72], Operations: [] Exploring Operation: 72-36=36, Resulting Numbers: [4, 3, 36] Generated Node #0,2: 16:[4, 3, 36] Operation: 72-36=36 Moving to Node #0,2 Current State: 16:[4, 3, 36], Operations: ['72-36=36'] Exploring Operation: 36/3=12, Resulting Numbers: [4, 12] Generated Node #0,2,1: 16:[4, 12] Operation: 36/3=12 Moving to Node #0,2,1 Current State: 16:[4, 12], Operations: ['72-36=36', '36/3=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.976563
hs_3
sum_heuristic
[ 98, 69, 17, 18 ]
95
[ "69-18=51", "51/17=3", "98-3=95" ]
Current State: 95:[98, 69, 17, 18], Operations: [] Exploring Operation: 69-18=51, Resulting Numbers: [98, 17, 51] Generated Node #2: [98, 17, 51] from Operation: 69-18=51 Current State: 95:[98, 17, 51], Operations: ['69-18=51'] Exploring Operation: 51/17=3, Resulting Numbers: [98, 3] Generated Node #3: [98, 3] from Operation: 51/17=3 Current State: 95:[98, 3], Operations: ['69-18=51', '51/17=3'] Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[98, 69, 17, 18], Operations: [] Exploring Operation: 98-69=29, Resulting Numbers: [17, 18, 29] Generated Node #0,0: 95:[17, 18, 29] Operation: 98-69=29 Exploring Operation: 69+17=86, Resulting Numbers: [98, 18, 86] Generated Node #0,1: 95:[98, 18, 86] Operation: 69+17=86 Exploring Operation: 69+18=87, Resulting Numbers: [98, 17, 87] Generated Node #0,2: 95:[98, 17, 87] Operation: 69+18=87 Exploring Operation: 18-17=1, Resulting Numbers: [98, 69, 1] Generated Node #0,3: 95:[98, 69, 1] Operation: 18-17=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[17, 18, 29], Operations: ['98-69=29'] Exploring Operation: 29-17=12, Resulting Numbers: [18, 12] Generated Node #0,0,0: 95:[18, 12] Operation: 29-17=12 Exploring Operation: 29-18=11, Resulting Numbers: [17, 11] Generated Node #0,0,1: 95:[17, 11] Operation: 29-18=11 Exploring Operation: 18-17=1, Resulting Numbers: [29, 1] Generated Node #0,0,2: 95:[29, 1] Operation: 18-17=1 Exploring Operation: 17+18=35, Resulting Numbers: [29, 35] Generated Node #0,0,3: 95:[29, 35] Operation: 17+18=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[18, 12], Operations: ['98-69=29', '29-17=12'] Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,95 unequal: No Solution Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,95 unequal: No Solution No 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: 95:[17, 11], Operations: ['98-69=29', '29-18=11'] Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,95 unequal: No Solution Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,95 unequal: No Solution No 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: 95:[29, 1], Operations: ['98-69=29', '18-17=1'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,95 unequal: No Solution Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,95 unequal: No Solution Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,95 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,95 unequal: No Solution No 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: 95:[29, 35], Operations: ['98-69=29', '17+18=35'] Exploring Operation: 29*35=1015, Resulting Numbers: [1015] 1015,95 unequal: No Solution Exploring Operation: 35-29=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 29+35=64, Resulting Numbers: [64] 64,95 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: 95:[98, 18, 86], Operations: ['69+17=86'] Exploring Operation: 98-86=12, Resulting Numbers: [18, 12] Generated Node #0,1,0: 95:[18, 12] Operation: 98-86=12 Exploring Operation: 98-18=80, Resulting Numbers: [86, 80] Generated Node #0,1,1: 95:[86, 80] Operation: 98-18=80 Exploring Operation: 18+86=104, Resulting Numbers: [98, 104] Generated Node #0,1,2: 95:[98, 104] Operation: 18+86=104 Exploring Operation: 98+18=116, Resulting Numbers: [86, 116] Generated Node #0,1,3: 95:[86, 116] Operation: 98+18=116 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 95:[18, 12], Operations: ['69+17=86', '98-86=12'] Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,95 unequal: No Solution Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,95 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 95:[98, 104], Operations: ['69+17=86', '18+86=104'] Exploring Operation: 104-98=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 98+104=202, Resulting Numbers: [202] 202,95 unequal: No Solution Exploring Operation: 98*104=10192, Resulting Numbers: [10192] 10192,95 unequal: No Solution No 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: 95:[86, 80], Operations: ['69+17=86', '98-18=80'] Exploring Operation: 86*80=6880, Resulting Numbers: [6880] 6880,95 unequal: No Solution Exploring Operation: 86-80=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 86+80=166, Resulting Numbers: [166] 166,95 unequal: No Solution No 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: 95:[86, 116], Operations: ['69+17=86', '98+18=116'] Exploring Operation: 86+116=202, Resulting Numbers: [202] 202,95 unequal: No Solution Exploring Operation: 116-86=30, Resulting Numbers: [30] 30,95 unequal: No Solution Exploring Operation: 86*116=9976, Resulting Numbers: [9976] 9976,95 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: 95:[98, 17, 87], Operations: ['69+18=87'] Exploring Operation: 98+17=115, Resulting Numbers: [87, 115] Generated Node #0,2,0: 95:[87, 115] Operation: 98+17=115 Exploring Operation: 17+87=104, Resulting Numbers: [98, 104] Generated Node #0,2,1: 95:[98, 104] Operation: 17+87=104 Exploring Operation: 98-17=81, Resulting Numbers: [87, 81] Generated Node #0,2,2: 95:[87, 81] Operation: 98-17=81 Exploring Operation: 98-87=11, Resulting Numbers: [17, 11] Generated Node #0,2,3: 95:[17, 11] Operation: 98-87=11 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 95:[17, 11], Operations: ['69+18=87', '98-87=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,95 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,95 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,95 unequal: No Solution No 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: 95:[98, 104], Operations: ['69+18=87', '17+87=104'] Exploring Operation: 104-98=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 98+104=202, Resulting Numbers: [202] 202,95 unequal: No Solution Exploring Operation: 98*104=10192, Resulting Numbers: [10192] 10192,95 unequal: No Solution No 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: 95:[87, 81], Operations: ['69+18=87', '98-17=81'] Exploring Operation: 87-81=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 87+81=168, Resulting Numbers: [168] 168,95 unequal: No Solution Exploring Operation: 87*81=7047, Resulting Numbers: [7047] 7047,95 unequal: No Solution No 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: 95:[87, 115], Operations: ['69+18=87', '98+17=115'] Exploring Operation: 87+115=202, Resulting Numbers: [202] 202,95 unequal: No Solution Exploring Operation: 87*115=10005, Resulting Numbers: [10005] 10005,95 unequal: No Solution Exploring Operation: 115-87=28, Resulting Numbers: [28] 28,95 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: 95:[98, 69, 1], Operations: ['18-17=1'] Exploring Operation: 69+1=70, Resulting Numbers: [98, 70] Generated Node #0,3,0: 95:[98, 70] Operation: 69+1=70 Exploring Operation: 98*1=98, Resulting Numbers: [69, 98] Generated Node #0,3,1: 95:[69, 98] Operation: 98*1=98 Exploring Operation: 98-1=97, Resulting Numbers: [69, 97] Generated Node #0,3,2: 95:[69, 97] Operation: 98-1=97 Exploring Operation: 98-69=29, Resulting Numbers: [1, 29] Generated Node #0,3,3: 95:[1, 29] Operation: 98-69=29 Moving to Node #0,3,3 Current State: 95:[1, 29], Operations: ['18-17=1', '98-69=29'] Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,95 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,95 unequal: No Solution Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,95 unequal: No Solution Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,95 unequal: No Solution Moving to Node #0,3,2 Current State: 95:[69, 97], Operations: ['18-17=1', '98-1=97'] Exploring Operation: 97-69=28, Resulting Numbers: [28] 28,95 unequal: No Solution Exploring Operation: 69+97=166, Resulting Numbers: [166] 166,95 unequal: No Solution Exploring Operation: 69*97=6693, Resulting Numbers: [6693] 6693,95 unequal: No Solution Moving to Node #0,3,0 Current State: 95:[98, 70], Operations: ['18-17=1', '69+1=70'] Exploring Operation: 98+70=168, Resulting Numbers: [168] 168,95 unequal: No Solution Exploring Operation: 98*70=6860, Resulting Numbers: [6860] 6860,95 unequal: No Solution Exploring Operation: 98-70=28, Resulting Numbers: [28] 28,95 unequal: No Solution Moving to Node #0,3,1 Current State: 95:[69, 98], Operations: ['18-17=1', '98*1=98'] Exploring Operation: 69*98=6762, Resulting Numbers: [6762] 6762,95 unequal: No Solution Exploring Operation: 69+98=167, Resulting Numbers: [167] 167,95 unequal: No Solution Exploring Operation: 98-69=29, Resulting Numbers: [29] 29,95 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
[ 25, 44, 20, 24 ]
74
[ "25*24=600", "600/20=30", "44+30=74" ]
Current State: 74:[25, 44, 20, 24], Operations: [] Exploring Operation: 25*24=600, Resulting Numbers: [44, 20, 600] Generated Node #2: [44, 20, 600] from Operation: 25*24=600 Current State: 74:[44, 20, 600], Operations: ['25*24=600'] Exploring Operation: 600/20=30, Resulting Numbers: [44, 30] Generated Node #3: [44, 30] from Operation: 600/20=30 Current State: 74:[44, 30], Operations: ['25*24=600', '600/20=30'] Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[25, 44, 20, 24], Operations: [] Exploring Operation: 24-20=4, Resulting Numbers: [25, 44, 4] Generated Node #0,0: 74:[25, 44, 4] Operation: 24-20=4 Exploring Operation: 25-20=5, Resulting Numbers: [44, 24, 5] Generated Node #0,1: 74:[44, 24, 5] Operation: 25-20=5 Moving to Node #0,0 Current State: 74:[25, 44, 4], Operations: ['24-20=4'] Exploring Operation: 25+44=69, Resulting Numbers: [4, 69] Generated Node #0,0,0: 74:[4, 69] Operation: 25+44=69 Exploring Operation: 25+4=29, Resulting Numbers: [44, 29] Generated Node #0,0,1: 74:[44, 29] Operation: 25+4=29 Moving to Node #0,1 Current State: 74:[44, 24, 5], Operations: ['25-20=5'] Exploring Operation: 44+24=68, Resulting Numbers: [5, 68] Generated Node #0,1,0: 74:[5, 68] Operation: 44+24=68 Exploring Operation: 44-5=39, Resulting Numbers: [24, 39] Generated Node #0,1,1: 74:[24, 39] Operation: 44-5=39 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[5, 68], Operations: ['25-20=5', '44+24=68'] Exploring Operation: 5+68=73, Resulting Numbers: [73] 73,74 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[24, 39], Operations: ['25-20=5', '44-5=39'] Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,74 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: 74:[4, 69], Operations: ['24-20=4', '25+44=69'] Exploring Operation: 4+69=73, Resulting Numbers: [73] 73,74 unequal: No Solution Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[44, 29], Operations: ['24-20=4', '25+4=29'] Exploring Operation: 44+29=73, Resulting Numbers: [73] 73,74 unequal: No Solution Exploring Operation: 44-29=15, Resulting Numbers: [15] 15,74 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 51, 53, 84, 92 ]
96
[ "51+53=104", "92-84=8", "104-8=96" ]
Current State: 96:[51, 53, 84, 92], Operations: [] Exploring Operation: 51+53=104, Resulting Numbers: [84, 92, 104] Generated Node #2: [84, 92, 104] from Operation: 51+53=104 Current State: 96:[84, 92, 104], Operations: ['51+53=104'] Exploring Operation: 92-84=8, Resulting Numbers: [104, 8] Generated Node #3: [104, 8] from Operation: 92-84=8 Current State: 96:[104, 8], Operations: ['51+53=104', '92-84=8'] Exploring Operation: 104-8=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[51, 53, 84, 92], Operations: [] Exploring Operation: 84-53=31, Resulting Numbers: [51, 92, 31] Generated Node #0,0: 96:[51, 92, 31] Operation: 84-53=31 Exploring Operation: 84-51=33, Resulting Numbers: [53, 92, 33] Generated Node #0,1: 96:[53, 92, 33] Operation: 84-51=33 Exploring Operation: 53-51=2, Resulting Numbers: [84, 92, 2] Generated Node #0,2: 96:[84, 92, 2] Operation: 53-51=2 Exploring Operation: 92-53=39, Resulting Numbers: [51, 84, 39] Generated Node #0,3: 96:[51, 84, 39] Operation: 92-53=39 Exploring Operation: 92-84=8, Resulting Numbers: [51, 53, 8] Generated Node #0,4: 96:[51, 53, 8] Operation: 92-84=8 Moving to Node #0,0 Current State: 96:[51, 92, 31], Operations: ['84-53=31'] Exploring Operation: 92-51=41, Resulting Numbers: [31, 41] Generated Node #0,0,0: 96:[31, 41] Operation: 92-51=41 Exploring Operation: 51+31=82, Resulting Numbers: [92, 82] Generated Node #0,0,1: 96:[92, 82] Operation: 51+31=82 Exploring Operation: 92+31=123, Resulting Numbers: [51, 123] Generated Node #0,0,2: 96:[51, 123] Operation: 92+31=123 Exploring Operation: 51-31=20, Resulting Numbers: [92, 20] Generated Node #0,0,3: 96:[92, 20] Operation: 51-31=20 Exploring Operation: 92-31=61, Resulting Numbers: [51, 61] Generated Node #0,0,4: 96:[51, 61] Operation: 92-31=61 Moving to Node #0,4 Current State: 96:[51, 53, 8], Operations: ['92-84=8'] Exploring Operation: 51+8=59, Resulting Numbers: [53, 59] Generated Node #0,4,0: 96:[53, 59] Operation: 51+8=59 Exploring Operation: 53-51=2, Resulting Numbers: [8, 2] Generated Node #0,4,1: 96:[8, 2] Operation: 53-51=2 Exploring Operation: 51+53=104, Resulting Numbers: [8, 104] Generated Node #0,4,2: 96:[8, 104] Operation: 51+53=104 Exploring Operation: 51-8=43, Resulting Numbers: [53, 43] Generated Node #0,4,3: 96:[53, 43] Operation: 51-8=43 Exploring Operation: 53-8=45, Resulting Numbers: [51, 45] Generated Node #0,4,4: 96:[51, 45] Operation: 53-8=45 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 96:[8, 2], Operations: ['92-84=8', '53-51=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,96 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,96 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 96:[51, 45], Operations: ['92-84=8', '53-8=45'] Exploring Operation: 51+45=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[51, 53, 84, 92], Operations: [] Exploring Operation: 92-84=8, Resulting Numbers: [51, 53, 8] Generated Node #0,4: 96:[51, 53, 8] Operation: 92-84=8 Moving to Node #0,4 Current State: 96:[51, 53, 8], Operations: ['92-84=8'] Exploring Operation: 53-8=45, Resulting Numbers: [51, 45] Generated Node #0,4,4: 96:[51, 45] Operation: 53-8=45 Moving to Node #0,4,4 Current State: 96:[51, 45], Operations: ['92-84=8', '53-8=45'] Exploring Operation: 51+45=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 72, 89, 23, 80 ]
58
[ "72+89=161", "23+80=103", "161-103=58" ]
Current State: 58:[72, 89, 23, 80], Operations: [] Exploring Operation: 72+89=161, Resulting Numbers: [23, 80, 161] Generated Node #2: [23, 80, 161] from Operation: 72+89=161 Current State: 58:[23, 80, 161], Operations: ['72+89=161'] Exploring Operation: 23+80=103, Resulting Numbers: [161, 103] Generated Node #3: [161, 103] from Operation: 23+80=103 Current State: 58:[161, 103], Operations: ['72+89=161', '23+80=103'] Exploring Operation: 161-103=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[72, 89, 23, 80], Operations: [] Exploring Operation: 89-23=66, Resulting Numbers: [72, 80, 66] Generated Node #0,0: 58:[72, 80, 66] Operation: 89-23=66 Exploring Operation: 89-80=9, Resulting Numbers: [72, 23, 9] Generated Node #0,1: 58:[72, 23, 9] Operation: 89-80=9 Exploring Operation: 89-72=17, Resulting Numbers: [23, 80, 17] Generated Node #0,2: 58:[23, 80, 17] Operation: 89-72=17 Exploring Operation: 80-72=8, Resulting Numbers: [89, 23, 8] Generated Node #0,3: 58:[89, 23, 8] Operation: 80-72=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[72, 23, 9], Operations: ['89-80=9'] Exploring Operation: 23+9=32, Resulting Numbers: [72, 32] Generated Node #0,1,0: 58:[72, 32] Operation: 23+9=32 Exploring Operation: 72-23=49, Resulting Numbers: [9, 49] Generated Node #0,1,1: 58:[9, 49] Operation: 72-23=49 Exploring Operation: 72-9=63, Resulting Numbers: [23, 63] Generated Node #0,1,2: 58:[23, 63] Operation: 72-9=63 Exploring Operation: 72/9=8, Resulting Numbers: [23, 8] Generated Node #0,1,3: 58:[23, 8] Operation: 72/9=8 Moving to Node #0,1,2 Current State: 58:[23, 63], Operations: ['89-80=9', '72-9=63'] Exploring Operation: 23*63=1449, Resulting Numbers: [1449] 1449,58 unequal: No Solution Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 23+63=86, Resulting Numbers: [86] 86,58 unequal: No Solution Moving to Node #0,1,3 Current State: 58:[23, 8], Operations: ['89-80=9', '72/9=8'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,58 unequal: No Solution Exploring Operation: 23+8=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 23*8=184, Resulting Numbers: [184] 184,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[9, 49], Operations: ['89-80=9', '72-23=49'] Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 9+49=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[72, 89, 23, 80], Operations: [] Exploring Operation: 89-80=9, Resulting Numbers: [72, 23, 9] Generated Node #0,1: 58:[72, 23, 9] Operation: 89-80=9 Moving to Node #0,1 Current State: 58:[72, 23, 9], Operations: ['89-80=9'] Exploring Operation: 72-23=49, Resulting Numbers: [9, 49] Generated Node #0,1,1: 58:[9, 49] Operation: 72-23=49 Moving to Node #0,1,1 Current State: 58:[9, 49], Operations: ['89-80=9', '72-23=49'] Exploring Operation: 9+49=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 44, 89, 65, 24 ]
45
[ "89-65=24", "24/24=1", "44+1=45" ]
Current State: 45:[44, 89, 65, 24], Operations: [] Exploring Operation: 89-65=24, Resulting Numbers: [44, 24, 24] Generated Node #2: [44, 24, 24] from Operation: 89-65=24 Current State: 45:[44, 24, 24], Operations: ['89-65=24'] Exploring Operation: 24/24=1, Resulting Numbers: [44, 1] Generated Node #3: [44, 1] from Operation: 24/24=1 Current State: 45:[44, 1], Operations: ['89-65=24', '24/24=1'] Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[44, 89, 65, 24], Operations: [] Exploring Operation: 89-24=65, Resulting Numbers: [44, 65, 65] Generated Node #0,0: 45:[44, 65, 65] Operation: 89-24=65 Exploring Operation: 89-44=45, Resulting Numbers: [65, 24, 45] Generated Node #0,1: 45:[65, 24, 45] Operation: 89-44=45 Exploring Operation: 89-65=24, Resulting Numbers: [44, 24, 24] Generated Node #0,2: 45:[44, 24, 24] Operation: 89-65=24 Exploring Operation: 65-24=41, Resulting Numbers: [44, 89, 41] Generated Node #0,3: 45:[44, 89, 41] Operation: 65-24=41 Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[44, 24, 24], Operations: ['89-65=24'] Exploring Operation: 24/24=1, Resulting Numbers: [44, 1] Generated Node #0,2,0: 45:[44, 1] Operation: 24/24=1 Exploring Operation: 44-24=20, Resulting Numbers: [24, 20] Generated Node #0,2,1: 45:[24, 20] Operation: 44-24=20 Exploring Operation: 24-24=0, Resulting Numbers: [44, 0] Generated Node #0,2,2: 45:[44, 0] Operation: 24-24=0 Exploring Operation: 24+24=48, Resulting Numbers: [44, 48] Generated Node #0,2,3: 45:[44, 48] Operation: 24+24=48 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 45:[44, 1], Operations: ['89-65=24', '24/24=1'] Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,45 unequal: No Solution Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[44, 89, 65, 24], Operations: [] Exploring Operation: 89-65=24, Resulting Numbers: [44, 24, 24] Generated Node #0,2: 45:[44, 24, 24] Operation: 89-65=24 Moving to Node #0,2 Current State: 45:[44, 24, 24], Operations: ['89-65=24'] Exploring Operation: 24/24=1, Resulting Numbers: [44, 1] Generated Node #0,2,0: 45:[44, 1] Operation: 24/24=1 Moving to Node #0,2,0 Current State: 45:[44, 1], Operations: ['89-65=24', '24/24=1'] Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 72, 65, 20, 4 ]
88
[ "72+20=92", "92/4=23", "65+23=88" ]
Current State: 88:[72, 65, 20, 4], Operations: [] Exploring Operation: 72+20=92, Resulting Numbers: [65, 4, 92] Generated Node #2: [65, 4, 92] from Operation: 72+20=92 Current State: 88:[65, 4, 92], Operations: ['72+20=92'] Exploring Operation: 92/4=23, Resulting Numbers: [65, 23] Generated Node #3: [65, 23] from Operation: 92/4=23 Current State: 88:[65, 23], Operations: ['72+20=92', '92/4=23'] Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[72, 65, 20, 4], Operations: [] Exploring Operation: 72-65=7, Resulting Numbers: [20, 4, 7] Generated Node #0,0: 88:[20, 4, 7] Operation: 72-65=7 Moving to Node #0,0 Current State: 88:[20, 4, 7], Operations: ['72-65=7'] Exploring Operation: 20/4=5, Resulting Numbers: [7, 5] Generated Node #0,0,0: 88:[7, 5] Operation: 20/4=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[7, 5], Operations: ['72-65=7', '20/4=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 53, 98, 52, 15 ]
43
[ "98+52=150", "150/15=10", "53-10=43" ]
Current State: 43:[53, 98, 52, 15], Operations: [] Exploring Operation: 98+52=150, Resulting Numbers: [53, 15, 150] Generated Node #2: [53, 15, 150] from Operation: 98+52=150 Current State: 43:[53, 15, 150], Operations: ['98+52=150'] Exploring Operation: 150/15=10, Resulting Numbers: [53, 10] Generated Node #3: [53, 10] from Operation: 150/15=10 Current State: 43:[53, 10], Operations: ['98+52=150', '150/15=10'] Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[53, 98, 52, 15], Operations: [] Exploring Operation: 98-52=46, Resulting Numbers: [53, 15, 46] Generated Node #0,0: 43:[53, 15, 46] Operation: 98-52=46 Exploring Operation: 53-15=38, Resulting Numbers: [98, 52, 38] Generated Node #0,1: 43:[98, 52, 38] Operation: 53-15=38 Exploring Operation: 98-53=45, Resulting Numbers: [52, 15, 45] Generated Node #0,2: 43:[52, 15, 45] Operation: 98-53=45 Exploring Operation: 98-15=83, Resulting Numbers: [53, 52, 83] Generated Node #0,3: 43:[53, 52, 83] Operation: 98-15=83 Moving to Node #0,2 Current State: 43:[52, 15, 45], Operations: ['98-53=45'] Exploring Operation: 15+45=60, Resulting Numbers: [52, 60] Generated Node #0,2,0: 43:[52, 60] Operation: 15+45=60 Exploring Operation: 52-15=37, Resulting Numbers: [45, 37] Generated Node #0,2,1: 43:[45, 37] Operation: 52-15=37 Exploring Operation: 45-15=30, Resulting Numbers: [52, 30] Generated Node #0,2,2: 43:[52, 30] Operation: 45-15=30 Exploring Operation: 52+15=67, Resulting Numbers: [45, 67] Generated Node #0,2,3: 43:[45, 67] Operation: 52+15=67 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 43:[45, 37], Operations: ['98-53=45', '52-15=37'] Exploring Operation: 45*37=1665, Resulting Numbers: [1665] 1665,43 unequal: No Solution Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 43:[52, 30], Operations: ['98-53=45', '45-15=30'] Exploring Operation: 52*30=1560, Resulting Numbers: [1560] 1560,43 unequal: No Solution Exploring Operation: 52-30=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 52+30=82, Resulting Numbers: [82] 82,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 43:[52, 60], Operations: ['98-53=45', '15+45=60'] Exploring Operation: 52+60=112, Resulting Numbers: [112] 112,43 unequal: No Solution Exploring Operation: 60-52=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 52*60=3120, Resulting Numbers: [3120] 3120,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 43:[45, 67], Operations: ['98-53=45', '52+15=67'] Exploring Operation: 45*67=3015, Resulting Numbers: [3015] 3015,43 unequal: No Solution Exploring Operation: 67-45=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 45+67=112, Resulting Numbers: [112] 112,43 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: 43:[53, 15, 46], Operations: ['98-52=46'] Exploring Operation: 53-15=38, Resulting Numbers: [46, 38] Generated Node #0,0,0: 43:[46, 38] Operation: 53-15=38 Exploring Operation: 53+15=68, Resulting Numbers: [46, 68] Generated Node #0,0,1: 43:[46, 68] Operation: 53+15=68 Exploring Operation: 46-15=31, Resulting Numbers: [53, 31] Generated Node #0,0,2: 43:[53, 31] Operation: 46-15=31 Exploring Operation: 15+46=61, Resulting Numbers: [53, 61] Generated Node #0,0,3: 43:[53, 61] Operation: 15+46=61 Moving to Node #0,3 Current State: 43:[53, 52, 83], Operations: ['98-15=83'] Exploring Operation: 53-52=1, Resulting Numbers: [83, 1] Generated Node #0,3,0: 43:[83, 1] Operation: 53-52=1 Exploring Operation: 83-52=31, Resulting Numbers: [53, 31] Generated Node #0,3,1: 43:[53, 31] Operation: 83-52=31 Exploring Operation: 83-53=30, Resulting Numbers: [52, 30] Generated Node #0,3,2: 43:[52, 30] Operation: 83-53=30 Exploring Operation: 53+52=105, Resulting Numbers: [83, 105] Generated Node #0,3,3: 43:[83, 105] Operation: 53+52=105 Moving to Node #0,1 Current State: 43:[98, 52, 38], Operations: ['53-15=38'] Exploring Operation: 52-38=14, Resulting Numbers: [98, 14] Generated Node #0,1,0: 43:[98, 14] Operation: 52-38=14 Exploring Operation: 98+38=136, Resulting Numbers: [52, 136] Generated Node #0,1,1: 43:[52, 136] Operation: 98+38=136 Exploring Operation: 98-38=60, Resulting Numbers: [52, 60] Generated Node #0,1,2: 43:[52, 60] Operation: 98-38=60 Exploring Operation: 98-52=46, Resulting Numbers: [38, 46] Generated Node #0,1,3: 43:[38, 46] Operation: 98-52=46 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 43:[38, 46], Operations: ['53-15=38', '98-52=46'] Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 38*46=1748, Resulting Numbers: [1748] 1748,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 43:[52, 60], Operations: ['53-15=38', '98-38=60'] Exploring Operation: 52+60=112, Resulting Numbers: [112] 112,43 unequal: No Solution Exploring Operation: 60-52=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 52*60=3120, Resulting Numbers: [3120] 3120,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[98, 14], Operations: ['53-15=38', '52-38=14'] Exploring Operation: 98+14=112, Resulting Numbers: [112] 112,43 unequal: No Solution Exploring Operation: 98*14=1372, Resulting Numbers: [1372] 1372,43 unequal: No Solution Exploring Operation: 98-14=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 98/14=7, Resulting Numbers: [7] 7,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 43:[52, 136], Operations: ['53-15=38', '98+38=136'] Exploring Operation: 52*136=7072, Resulting Numbers: [7072] 7072,43 unequal: No Solution Exploring Operation: 52+136=188, Resulting Numbers: [188] 188,43 unequal: No Solution Exploring Operation: 136-52=84, Resulting Numbers: [84] 84,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 43:[46, 38], Operations: ['98-52=46', '53-15=38'] Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 46*38=1748, Resulting Numbers: [1748] 1748,43 unequal: No Solution Exploring Operation: 46+38=84, Resulting Numbers: [84] 84,43 unequal: No Solution Moving to Node #0,3,2 Current State: 43:[52, 30], Operations: ['98-15=83', '83-53=30'] Exploring Operation: 52+30=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 52-30=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 52*30=1560, Resulting Numbers: [1560] 1560,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[53, 31], Operations: ['98-52=46', '46-15=31'] Exploring Operation: 53*31=1643, Resulting Numbers: [1643] 1643,43 unequal: No Solution Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[53, 31], Operations: ['98-15=83', '83-52=31'] Exploring Operation: 53*31=1643, Resulting Numbers: [1643] 1643,43 unequal: No Solution Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[46, 68], Operations: ['98-52=46', '53+15=68'] Exploring Operation: 68-46=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 46*68=3128, Resulting Numbers: [3128] 3128,43 unequal: No Solution Exploring Operation: 46+68=114, Resulting Numbers: [114] 114,43 unequal: No Solution Moving to Node #0,0,3 Current State: 43:[53, 61], Operations: ['98-52=46', '15+46=61'] Exploring Operation: 53*61=3233, Resulting Numbers: [3233] 3233,43 unequal: No Solution Exploring Operation: 61-53=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 53+61=114, Resulting Numbers: [114] 114,43 unequal: No Solution Moving to Node #0,3,0 Current State: 43:[83, 1], Operations: ['98-15=83', '53-52=1'] Exploring Operation: 83+1=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 83-1=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 83/1=83, Resulting Numbers: [83] 83,43 unequal: No Solution Exploring Operation: 83*1=83, Resulting Numbers: [83] 83,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[83, 105], Operations: ['98-15=83', '53+52=105'] Exploring Operation: 83*105=8715, Resulting Numbers: [8715] 8715,43 unequal: No Solution Exploring Operation: 83+105=188, Resulting Numbers: [188] 188,43 unequal: No Solution Exploring Operation: 105-83=22, Resulting Numbers: [22] 22,43 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 86, 43, 83, 1 ]
81
[ "86/43=2", "83*1=83", "83-2=81" ]
Current State: 81:[86, 43, 83, 1], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [83, 1, 2] Generated Node #2: [83, 1, 2] from Operation: 86/43=2 Current State: 81:[83, 1, 2], Operations: ['86/43=2'] Exploring Operation: 83*1=83, Resulting Numbers: [2, 83] Generated Node #3: [2, 83] from Operation: 83*1=83 Current State: 81:[2, 83], Operations: ['86/43=2', '83*1=83'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[86, 43, 83, 1], Operations: [] Exploring Operation: 86-43=43, Resulting Numbers: [83, 1, 43] Generated Node #0,0: 81:[83, 1, 43] Operation: 86-43=43 Exploring Operation: 86-83=3, Resulting Numbers: [43, 1, 3] Generated Node #0,1: 81:[43, 1, 3] Operation: 86-83=3 Exploring Operation: 86/43=2, Resulting Numbers: [83, 1, 2] Generated Node #0,2: 81:[83, 1, 2] Operation: 86/43=2 Moving to Node #0,2 Current State: 81:[83, 1, 2], Operations: ['86/43=2'] Exploring Operation: 1+2=3, Resulting Numbers: [83, 3] Generated Node #0,2,0: 81:[83, 3] Operation: 1+2=3 Exploring Operation: 83-2=81, Resulting Numbers: [1, 81] Generated Node #0,2,1: 81:[1, 81] Operation: 83-2=81 Exploring Operation: 83-1=82, Resulting Numbers: [2, 82] Generated Node #0,2,2: 81:[2, 82] Operation: 83-1=82 Moving to Node #0,1 Current State: 81:[43, 1, 3], Operations: ['86-83=3'] Exploring Operation: 43-3=40, Resulting Numbers: [1, 40] Generated Node #0,1,0: 81:[1, 40] Operation: 43-3=40 Exploring Operation: 43*1=43, Resulting Numbers: [3, 43] Generated Node #0,1,1: 81:[3, 43] Operation: 43*1=43 Exploring Operation: 43-1=42, Resulting Numbers: [3, 42] Generated Node #0,1,2: 81:[3, 42] Operation: 43-1=42 Moving to Node #0,0 Current State: 81:[83, 1, 43], Operations: ['86-43=43'] Exploring Operation: 83-43=40, Resulting Numbers: [1, 40] Generated Node #0,0,0: 81:[1, 40] Operation: 83-43=40 Exploring Operation: 83-1=82, Resulting Numbers: [43, 82] Generated Node #0,0,1: 81:[43, 82] Operation: 83-1=82 Exploring Operation: 43-1=42, Resulting Numbers: [83, 42] Generated Node #0,0,2: 81:[83, 42] Operation: 43-1=42 Moving to Node #0,2,0 Current State: 81:[83, 3], Operations: ['86/43=2', '1+2=3'] Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,81 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 83*3=249, Resulting Numbers: [249] 249,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[2, 82], Operations: ['86/43=2', '83-1=82'] Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,81 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,81 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[1, 81], Operations: ['86/43=2', '83-2=81'] Exploring Operation: 1*81=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[86, 43, 83, 1], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [83, 1, 2] Generated Node #0,2: 81:[83, 1, 2] Operation: 86/43=2 Moving to Node #0,2 Current State: 81:[83, 1, 2], Operations: ['86/43=2'] Exploring Operation: 83-2=81, Resulting Numbers: [1, 81] Generated Node #0,2,1: 81:[1, 81] Operation: 83-2=81 Moving to Node #0,2,1 Current State: 81:[1, 81], Operations: ['86/43=2', '83-2=81'] Exploring Operation: 1*81=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.980035
hs_3
sum_heuristic
[ 7, 69, 77, 30 ]
88
[ "77/7=11", "69+30=99", "99-11=88" ]
Current State: 88:[7, 69, 77, 30], Operations: [] Exploring Operation: 77/7=11, Resulting Numbers: [69, 30, 11] Generated Node #2: [69, 30, 11] from Operation: 77/7=11 Current State: 88:[69, 30, 11], Operations: ['77/7=11'] Exploring Operation: 69+30=99, Resulting Numbers: [11, 99] Generated Node #3: [11, 99] from Operation: 69+30=99 Current State: 88:[11, 99], Operations: ['77/7=11', '69+30=99'] Exploring Operation: 99-11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[7, 69, 77, 30], Operations: [] Exploring Operation: 69+30=99, Resulting Numbers: [7, 77, 99] Generated Node #0,0: 88:[7, 77, 99] Operation: 69+30=99 Exploring Operation: 77-30=47, Resulting Numbers: [7, 69, 47] Generated Node #0,1: 88:[7, 69, 47] Operation: 77-30=47 Exploring Operation: 69-30=39, Resulting Numbers: [7, 77, 39] Generated Node #0,2: 88:[7, 77, 39] Operation: 69-30=39 Exploring Operation: 77-69=8, Resulting Numbers: [7, 30, 8] Generated Node #0,3: 88:[7, 30, 8] Operation: 77-69=8 Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[7, 30, 8], Operations: ['77-69=8'] Exploring Operation: 7+30=37, Resulting Numbers: [8, 37] Generated Node #0,3,0: 88:[8, 37] Operation: 7+30=37 Exploring Operation: 30+8=38, Resulting Numbers: [7, 38] Generated Node #0,3,1: 88:[7, 38] Operation: 30+8=38 Exploring Operation: 30-8=22, Resulting Numbers: [7, 22] Generated Node #0,3,2: 88:[7, 22] Operation: 30-8=22 Exploring Operation: 30-7=23, Resulting Numbers: [8, 23] Generated Node #0,3,3: 88:[8, 23] Operation: 30-7=23 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 88:[7, 22], Operations: ['77-69=8', '30-8=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,88 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 88:[8, 23], Operations: ['77-69=8', '30-7=23'] Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 8*23=184, Resulting Numbers: [184] 184,88 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 88:[8, 37], Operations: ['77-69=8', '7+30=37'] Exploring Operation: 8+37=45, Resulting Numbers: [45] 45,88 unequal: No Solution Exploring Operation: 8*37=296, Resulting Numbers: [296] 296,88 unequal: No Solution Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 88:[7, 38], Operations: ['77-69=8', '30+8=38'] Exploring Operation: 7*38=266, Resulting Numbers: [266] 266,88 unequal: No Solution Exploring Operation: 7+38=45, Resulting Numbers: [45] 45,88 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[7, 77, 39], Operations: ['69-30=39'] Exploring Operation: 77-39=38, Resulting Numbers: [7, 38] Generated Node #0,2,0: 88:[7, 38] Operation: 77-39=38 Exploring Operation: 77/7=11, Resulting Numbers: [39, 11] Generated Node #0,2,1: 88:[39, 11] Operation: 77/7=11 Exploring Operation: 7+39=46, Resulting Numbers: [77, 46] Generated Node #0,2,2: 88:[77, 46] Operation: 7+39=46 Exploring Operation: 7+77=84, Resulting Numbers: [39, 84] Generated Node #0,2,3: 88:[39, 84] Operation: 7+77=84 Moving to Node #0,2,1 Current State: 88:[39, 11], Operations: ['69-30=39', '77/7=11'] Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,88 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,88 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,88 unequal: No Solution Moving to Node #0,2,0 Current State: 88:[7, 38], Operations: ['69-30=39', '77-39=38'] Exploring Operation: 7+38=45, Resulting Numbers: [45] 45,88 unequal: No Solution Exploring Operation: 7*38=266, Resulting Numbers: [266] 266,88 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,88 unequal: No Solution Moving to Node #0,2,3 Current State: 88:[39, 84], Operations: ['69-30=39', '7+77=84'] Exploring Operation: 39+84=123, Resulting Numbers: [123] 123,88 unequal: No Solution Exploring Operation: 84-39=45, Resulting Numbers: [45] 45,88 unequal: No Solution Exploring Operation: 39*84=3276, Resulting Numbers: [3276] 3276,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[77, 46], Operations: ['69-30=39', '7+39=46'] Exploring Operation: 77*46=3542, Resulting Numbers: [3542] 3542,88 unequal: No Solution Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 77+46=123, Resulting Numbers: [123] 123,88 unequal: No Solution No 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: 88:[7, 77, 99], Operations: ['69+30=99'] Exploring Operation: 99-77=22, Resulting Numbers: [7, 22] Generated Node #0,0,0: 88:[7, 22] Operation: 99-77=22 Exploring Operation: 7+77=84, Resulting Numbers: [99, 84] Generated Node #0,0,1: 88:[99, 84] Operation: 7+77=84 Exploring Operation: 77/7=11, Resulting Numbers: [99, 11] Generated Node #0,0,2: 88:[99, 11] Operation: 77/7=11 Exploring Operation: 99-7=92, Resulting Numbers: [77, 92] Generated Node #0,0,3: 88:[77, 92] Operation: 99-7=92 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[7, 22], Operations: ['69+30=99', '99-77=22'] Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,88 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 88:[99, 11], Operations: ['69+30=99', '77/7=11'] Exploring Operation: 99*11=1089, Resulting Numbers: [1089] 1089,88 unequal: No Solution Exploring Operation: 99+11=110, Resulting Numbers: [110] 110,88 unequal: No Solution Exploring Operation: 99-11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[7, 69, 77, 30], Operations: [] Exploring Operation: 69+30=99, Resulting Numbers: [7, 77, 99] Generated Node #0,0: 88:[7, 77, 99] Operation: 69+30=99 Moving to Node #0,0 Current State: 88:[7, 77, 99], Operations: ['69+30=99'] Exploring Operation: 77/7=11, Resulting Numbers: [99, 11] Generated Node #0,0,2: 88:[99, 11] Operation: 77/7=11 Moving to Node #0,0,2 Current State: 88:[99, 11], Operations: ['69+30=99', '77/7=11'] Exploring Operation: 99-11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.956597
hs_4
mult_heuristic
[ 4, 15, 42, 22 ]
95
[ "42-22=20", "4*20=80", "15+80=95" ]
Current State: 95:[4, 15, 42, 22], Operations: [] Exploring Operation: 42-22=20, Resulting Numbers: [4, 15, 20] Generated Node #2: [4, 15, 20] from Operation: 42-22=20 Current State: 95:[4, 15, 20], Operations: ['42-22=20'] Exploring Operation: 4*20=80, Resulting Numbers: [15, 80] Generated Node #3: [15, 80] from Operation: 4*20=80 Current State: 95:[15, 80], Operations: ['42-22=20', '4*20=80'] Exploring Operation: 15+80=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[4, 15, 42, 22], Operations: [] Exploring Operation: 4+15=19, Resulting Numbers: [42, 22, 19] Generated Node #0,0: 95:[42, 22, 19] Operation: 4+15=19 Exploring Operation: 42-15=27, Resulting Numbers: [4, 22, 27] Generated Node #0,1: 95:[4, 22, 27] Operation: 42-15=27 Exploring Operation: 42-22=20, Resulting Numbers: [4, 15, 20] Generated Node #0,2: 95:[4, 15, 20] Operation: 42-22=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[4, 15, 20], Operations: ['42-22=20'] Exploring Operation: 4+15=19, Resulting Numbers: [20, 19] Generated Node #0,2,0: 95:[20, 19] Operation: 4+15=19 Exploring Operation: 20/4=5, Resulting Numbers: [15, 5] Generated Node #0,2,1: 95:[15, 5] Operation: 20/4=5 Exploring Operation: 20-15=5, Resulting Numbers: [4, 5] Generated Node #0,2,2: 95:[4, 5] Operation: 20-15=5 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 95:[20, 19], Operations: ['42-22=20', '4+15=19'] Exploring Operation: 20*19=380, Resulting Numbers: [380] 380,95 unequal: No Solution Exploring Operation: 20+19=39, Resulting Numbers: [39] 39,95 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,95 unequal: No Solution No 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: 95:[4, 5], Operations: ['42-22=20', '20-15=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,95 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,95 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,95 unequal: No Solution No 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: 95:[15, 5], Operations: ['42-22=20', '20/4=5'] Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,95 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,95 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: 95:[4, 22, 27], Operations: ['42-15=27'] Exploring Operation: 27-22=5, Resulting Numbers: [4, 5] Generated Node #0,1,0: 95:[4, 5] Operation: 27-22=5 Exploring Operation: 22-4=18, Resulting Numbers: [27, 18] Generated Node #0,1,1: 95:[27, 18] Operation: 22-4=18 Exploring Operation: 27-4=23, Resulting Numbers: [22, 23] Generated Node #0,1,2: 95:[22, 23] Operation: 27-4=23 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 95:[4, 5], Operations: ['42-15=27', '27-22=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,95 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 95:[22, 23], Operations: ['42-15=27', '27-4=23'] Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,95 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,95 unequal: No Solution Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,95 unequal: No Solution No 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: 95:[27, 18], Operations: ['42-15=27', '22-4=18'] Exploring Operation: 27*18=486, Resulting Numbers: [486] 486,95 unequal: No Solution Exploring Operation: 27+18=45, Resulting Numbers: [45] 45,95 unequal: No Solution Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,95 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: 95:[42, 22, 19], Operations: ['4+15=19'] Exploring Operation: 42-22=20, Resulting Numbers: [19, 20] Generated Node #0,0,0: 95:[19, 20] Operation: 42-22=20 Exploring Operation: 22-19=3, Resulting Numbers: [42, 3] Generated Node #0,0,1: 95:[42, 3] Operation: 22-19=3 Exploring Operation: 42-19=23, Resulting Numbers: [22, 23] Generated Node #0,0,2: 95:[22, 23] Operation: 42-19=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[19, 20], Operations: ['4+15=19', '42-22=20'] Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,95 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,95 unequal: No Solution Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,95 unequal: No Solution No 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: 95:[22, 23], Operations: ['4+15=19', '42-19=23'] Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,95 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,95 unequal: No Solution Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,95 unequal: No Solution No 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: 95:[42, 3], Operations: ['4+15=19', '22-19=3'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,95 unequal: No Solution Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,95 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,95 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
[ 95, 69, 32, 65 ]
64
[ "95+65=160", "160/32=5", "69-5=64" ]
Current State: 64:[95, 69, 32, 65], Operations: [] Exploring Operation: 95+65=160, Resulting Numbers: [69, 32, 160] Generated Node #2: [69, 32, 160] from Operation: 95+65=160 Current State: 64:[69, 32, 160], Operations: ['95+65=160'] Exploring Operation: 160/32=5, Resulting Numbers: [69, 5] Generated Node #3: [69, 5] from Operation: 160/32=5 Current State: 64:[69, 5], Operations: ['95+65=160', '160/32=5'] Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[95, 69, 32, 65], Operations: [] Exploring Operation: 95-69=26, Resulting Numbers: [32, 65, 26] Generated Node #0,0: 64:[32, 65, 26] Operation: 95-69=26 Exploring Operation: 69-32=37, Resulting Numbers: [95, 65, 37] Generated Node #0,1: 64:[95, 65, 37] Operation: 69-32=37 Exploring Operation: 95-32=63, Resulting Numbers: [69, 65, 63] Generated Node #0,2: 64:[69, 65, 63] Operation: 95-32=63 Exploring Operation: 95-65=30, Resulting Numbers: [69, 32, 30] Generated Node #0,3: 64:[69, 32, 30] Operation: 95-65=30 Exploring Operation: 69-65=4, Resulting Numbers: [95, 32, 4] Generated Node #0,4: 64:[95, 32, 4] Operation: 69-65=4 Moving to Node #0,0 Current State: 64:[32, 65, 26], Operations: ['95-69=26'] Exploring Operation: 32+26=58, Resulting Numbers: [65, 58] Generated Node #0,0,0: 64:[65, 58] Operation: 32+26=58 Exploring Operation: 32-26=6, Resulting Numbers: [65, 6] Generated Node #0,0,1: 64:[65, 6] Operation: 32-26=6 Exploring Operation: 65-26=39, Resulting Numbers: [32, 39] Generated Node #0,0,2: 64:[32, 39] Operation: 65-26=39 Exploring Operation: 65-32=33, Resulting Numbers: [26, 33] Generated Node #0,0,3: 64:[26, 33] Operation: 65-32=33 Exploring Operation: 65+26=91, Resulting Numbers: [32, 91] Generated Node #0,0,4: 64:[32, 91] Operation: 65+26=91 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[65, 6], Operations: ['95-69=26', '32-26=6'] Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,64 unequal: No Solution Exploring Operation: 65*6=390, Resulting Numbers: [390] 390,64 unequal: No Solution Exploring Operation: 65+6=71, Resulting Numbers: [71] 71,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[65, 58], Operations: ['95-69=26', '32+26=58'] Exploring Operation: 65+58=123, Resulting Numbers: [123] 123,64 unequal: No Solution Exploring Operation: 65*58=3770, Resulting Numbers: [3770] 3770,64 unequal: No Solution Exploring Operation: 65-58=7, Resulting Numbers: [7] 7,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 64:[32, 39], Operations: ['95-69=26', '65-26=39'] Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 32+39=71, Resulting Numbers: [71] 71,64 unequal: No Solution Exploring Operation: 32*39=1248, Resulting Numbers: [1248] 1248,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 64:[26, 33], Operations: ['95-69=26', '65-32=33'] Exploring Operation: 26*33=858, Resulting Numbers: [858] 858,64 unequal: No Solution Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,64 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 64:[32, 91], Operations: ['95-69=26', '65+26=91'] Exploring Operation: 32+91=123, Resulting Numbers: [123] 123,64 unequal: No Solution Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,64 unequal: No Solution Exploring Operation: 32*91=2912, Resulting Numbers: [2912] 2912,64 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: 64:[69, 32, 30], Operations: ['95-65=30'] Exploring Operation: 69+30=99, Resulting Numbers: [32, 99] Generated Node #0,3,0: 64:[32, 99] Operation: 69+30=99 Exploring Operation: 32+30=62, Resulting Numbers: [69, 62] Generated Node #0,3,1: 64:[69, 62] Operation: 32+30=62 Exploring Operation: 69-30=39, Resulting Numbers: [32, 39] Generated Node #0,3,2: 64:[32, 39] Operation: 69-30=39 Exploring Operation: 32-30=2, Resulting Numbers: [69, 2] Generated Node #0,3,3: 64:[69, 2] Operation: 32-30=2 Exploring Operation: 69-32=37, Resulting Numbers: [30, 37] Generated Node #0,3,4: 64:[30, 37] Operation: 69-32=37 Moving to Node #0,2 Current State: 64:[69, 65, 63], Operations: ['95-32=63'] Exploring Operation: 69-63=6, Resulting Numbers: [65, 6] Generated Node #0,2,0: 64:[65, 6] Operation: 69-63=6 Exploring Operation: 65-63=2, Resulting Numbers: [69, 2] Generated Node #0,2,1: 64:[69, 2] Operation: 65-63=2 Exploring Operation: 65+63=128, Resulting Numbers: [69, 128] Generated Node #0,2,2: 64:[69, 128] Operation: 65+63=128 Exploring Operation: 69+63=132, Resulting Numbers: [65, 132] Generated Node #0,2,3: 64:[65, 132] Operation: 69+63=132 Exploring Operation: 69-65=4, Resulting Numbers: [63, 4] Generated Node #0,2,4: 64:[63, 4] Operation: 69-65=4 Moving to Node #0,4 Current State: 64:[95, 32, 4], Operations: ['69-65=4'] Exploring Operation: 95-4=91, Resulting Numbers: [32, 91] Generated Node #0,4,0: 64:[32, 91] Operation: 95-4=91 Exploring Operation: 32/4=8, Resulting Numbers: [95, 8] Generated Node #0,4,1: 64:[95, 8] Operation: 32/4=8 Exploring Operation: 95-32=63, Resulting Numbers: [4, 63] Generated Node #0,4,2: 64:[4, 63] Operation: 95-32=63 Exploring Operation: 32+4=36, Resulting Numbers: [95, 36] Generated Node #0,4,3: 64:[95, 36] Operation: 32+4=36 Exploring Operation: 95+4=99, Resulting Numbers: [32, 99] Generated Node #0,4,4: 64:[32, 99] Operation: 95+4=99 Moving to Node #0,1 Current State: 64:[95, 65, 37], Operations: ['69-32=37'] Exploring Operation: 95-37=58, Resulting Numbers: [65, 58] Generated Node #0,1,0: 64:[65, 58] Operation: 95-37=58 Exploring Operation: 95-65=30, Resulting Numbers: [37, 30] Generated Node #0,1,1: 64:[37, 30] Operation: 95-65=30 Exploring Operation: 65-37=28, Resulting Numbers: [95, 28] Generated Node #0,1,2: 64:[95, 28] Operation: 65-37=28 Exploring Operation: 65+37=102, Resulting Numbers: [95, 102] Generated Node #0,1,3: 64:[95, 102] Operation: 65+37=102 Exploring Operation: 95+37=132, Resulting Numbers: [65, 132] Generated Node #0,1,4: 64:[65, 132] Operation: 95+37=132 Moving to Node #0,2,4 Current State: 64:[63, 4], Operations: ['95-32=63', '69-65=4'] Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,64 unequal: No Solution Exploring Operation: 63+4=67, Resulting Numbers: [67] 67,64 unequal: No Solution Exploring Operation: 63*4=252, Resulting Numbers: [252] 252,64 unequal: No Solution Moving to Node #0,4,2 Current State: 64:[4, 63], Operations: ['69-65=4', '95-32=63'] Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,64 unequal: No Solution Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,64 unequal: No Solution Exploring Operation: 4*63=252, Resulting Numbers: [252] 252,64 unequal: No Solution Moving to Node #0,2,0 Current State: 64:[65, 6], Operations: ['95-32=63', '69-63=6'] Exploring Operation: 65*6=390, Resulting Numbers: [390] 390,64 unequal: No Solution Exploring Operation: 65+6=71, Resulting Numbers: [71] 71,64 unequal: No Solution Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,64 unequal: No Solution Moving to Node #0,3,3 Current State: 64:[69, 2], Operations: ['95-65=30', '32-30=2'] Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,64 unequal: No Solution Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,64 unequal: No Solution Exploring Operation: 69*2=138, Resulting Numbers: [138] 138,64 unequal: No Solution Moving to Node #0,2,1 Current State: 64:[69, 2], Operations: ['95-32=63', '65-63=2'] Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,64 unequal: No Solution Exploring Operation: 69*2=138, Resulting Numbers: [138] 138,64 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,64 unequal: No Solution Moving to Node #0,3,2 Current State: 64:[32, 39], Operations: ['95-65=30', '69-30=39'] Exploring Operation: 32+39=71, Resulting Numbers: [71] 71,64 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 32*39=1248, Resulting Numbers: [1248] 1248,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[37, 30], Operations: ['69-32=37', '95-65=30'] Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 37+30=67, Resulting Numbers: [67] 67,64 unequal: No Solution Exploring Operation: 37*30=1110, Resulting Numbers: [1110] 1110,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[69, 62], Operations: ['95-65=30', '32+30=62'] Exploring Operation: 69*62=4278, Resulting Numbers: [4278] 4278,64 unequal: No Solution Exploring Operation: 69-62=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 69+62=131, Resulting Numbers: [131] 131,64 unequal: No Solution Moving to Node #0,3,4 Current State: 64:[30, 37], Operations: ['95-65=30', '69-32=37'] Exploring Operation: 30+37=67, Resulting Numbers: [67] 67,64 unequal: No Solution Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 30*37=1110, Resulting Numbers: [1110] 1110,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[65, 58], Operations: ['69-32=37', '95-37=58'] Exploring Operation: 65*58=3770, Resulting Numbers: [3770] 3770,64 unequal: No Solution Exploring Operation: 65-58=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 65+58=123, Resulting Numbers: [123] 123,64 unequal: No Solution Moving to Node #0,4,0 Current State: 64:[32, 91], Operations: ['69-65=4', '95-4=91'] Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,64 unequal: No Solution Exploring Operation: 32*91=2912, Resulting Numbers: [2912] 2912,64 unequal: No Solution Exploring Operation: 32+91=123, Resulting Numbers: [123] 123,64 unequal: No Solution Moving to Node #0,4,1 Current State: 64:[95, 8], Operations: ['69-65=4', '32/4=8'] Exploring Operation: 95+8=103, Resulting Numbers: [103] 103,64 unequal: No Solution Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,64 unequal: No Solution Exploring Operation: 95*8=760, Resulting Numbers: [760] 760,64 unequal: No Solution Moving to Node #0,4,4 Current State: 64:[32, 99], Operations: ['69-65=4', '95+4=99'] Exploring Operation: 32*99=3168, Resulting Numbers: [3168] 3168,64 unequal: No Solution Exploring Operation: 32+99=131, Resulting Numbers: [131] 131,64 unequal: No Solution Exploring Operation: 99-32=67, Resulting Numbers: [67] 67,64 unequal: No Solution Moving to Node #0,3,0 Current State: 64:[32, 99], Operations: ['95-65=30', '69+30=99'] Exploring Operation: 32+99=131, Resulting Numbers: [131] 131,64 unequal: No Solution Exploring Operation: 32*99=3168, Resulting Numbers: [3168] 3168,64 unequal: No Solution Exploring Operation: 99-32=67, Resulting Numbers: [67] 67,64 unequal: No Solution Moving to Node #0,1,2 Current State: 64:[95, 28], Operations: ['69-32=37', '65-37=28'] Exploring Operation: 95+28=123, Resulting Numbers: [123] 123,64 unequal: No Solution Exploring Operation: 95*28=2660, Resulting Numbers: [2660] 2660,64 unequal: No Solution Exploring Operation: 95-28=67, Resulting Numbers: [67] 67,64 unequal: No Solution Moving to Node #0,4,3 Current State: 64:[95, 36], Operations: ['69-65=4', '32+4=36'] Exploring Operation: 95+36=131, Resulting Numbers: [131] 131,64 unequal: No Solution Exploring Operation: 95*36=3420, Resulting Numbers: [3420] 3420,64 unequal: No Solution Exploring Operation: 95-36=59, Resulting Numbers: [59] 59,64 unequal: No Solution Moving to Node #0,2,3 Current State: 64:[65, 132], Operations: ['95-32=63', '69+63=132'] Exploring Operation: 132-65=67, Resulting Numbers: [67] 67,64 unequal: No Solution Exploring Operation: 65+132=197, Resulting Numbers: [197] 197,64 unequal: No Solution Exploring Operation: 65*132=8580, Resulting Numbers: [8580] 8580,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[69, 128], Operations: ['95-32=63', '65+63=128'] Exploring Operation: 69+128=197, Resulting Numbers: [197] 197,64 unequal: No Solution Exploring Operation: 69*128=8832, Resulting Numbers: [8832] 8832,64 unequal: No Solution Exploring Operation: 128-69=59, Resulting Numbers: [59] 59,64 unequal: No Solution Moving to Node #0,1,4 Current State: 64:[65, 132], Operations: ['69-32=37', '95+37=132'] Exploring Operation: 65*132=8580, Resulting Numbers: [8580] 8580,64 unequal: No Solution Exploring Operation: 65+132=197, Resulting Numbers: [197] 197,64 unequal: No Solution Exploring Operation: 132-65=67, Resulting Numbers: [67] 67,64 unequal: No Solution Moving to Node #0,1,3 Current State: 64:[95, 102], Operations: ['69-32=37', '65+37=102'] Exploring Operation: 102-95=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 95*102=9690, Resulting Numbers: [9690] 9690,64 unequal: No Solution Exploring Operation: 95+102=197, Resulting Numbers: [197] 197,64 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 2, 12, 90, 48 ]
22
[ "90-2=88", "48/12=4", "88/4=22" ]
Current State: 22:[2, 12, 90, 48], Operations: [] Exploring Operation: 90-2=88, Resulting Numbers: [12, 48, 88] Generated Node #2: [12, 48, 88] from Operation: 90-2=88 Current State: 22:[12, 48, 88], Operations: ['90-2=88'] Exploring Operation: 48/12=4, Resulting Numbers: [88, 4] Generated Node #3: [88, 4] from Operation: 48/12=4 Current State: 22:[88, 4], Operations: ['90-2=88', '48/12=4'] Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[2, 12, 90, 48], Operations: [] Exploring Operation: 90-48=42, Resulting Numbers: [2, 12, 42] Generated Node #0,0: 22:[2, 12, 42] Operation: 90-48=42 Exploring Operation: 48/12=4, Resulting Numbers: [2, 90, 4] Generated Node #0,1: 22:[2, 90, 4] Operation: 48/12=4 Exploring Operation: 48/2=24, Resulting Numbers: [12, 90, 24] Generated Node #0,2: 22:[12, 90, 24] Operation: 48/2=24 Exploring Operation: 90/2=45, Resulting Numbers: [12, 48, 45] Generated Node #0,3: 22:[12, 48, 45] Operation: 90/2=45 Moving to Node #0,0 Current State: 22:[2, 12, 42], Operations: ['90-48=42'] Exploring Operation: 42-12=30, Resulting Numbers: [2, 30] Generated Node #0,0,0: 22:[2, 30] Operation: 42-12=30 Exploring Operation: 42/2=21, Resulting Numbers: [12, 21] Generated Node #0,0,1: 22:[12, 21] Operation: 42/2=21 Exploring Operation: 42-2=40, Resulting Numbers: [12, 40] Generated Node #0,0,2: 22:[12, 40] Operation: 42-2=40 Exploring Operation: 12-2=10, Resulting Numbers: [42, 10] Generated Node #0,0,3: 22:[42, 10] Operation: 12-2=10 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[12, 21], Operations: ['90-48=42', '42/2=21'] Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,22 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[2, 30], Operations: ['90-48=42', '42-12=30'] Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,22 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,22 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 22:[12, 40], Operations: ['90-48=42', '42-2=40'] Exploring Operation: 12*40=480, Resulting Numbers: [480] 480,22 unequal: No Solution Exploring Operation: 12+40=52, Resulting Numbers: [52] 52,22 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 22:[42, 10], Operations: ['90-48=42', '12-2=10'] Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,22 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,22 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: 22:[12, 48, 45], Operations: ['90/2=45'] Exploring Operation: 45-12=33, Resulting Numbers: [48, 33] Generated Node #0,3,0: 22:[48, 33] Operation: 45-12=33 Exploring Operation: 48/12=4, Resulting Numbers: [45, 4] Generated Node #0,3,1: 22:[45, 4] Operation: 48/12=4 Exploring Operation: 48-12=36, Resulting Numbers: [45, 36] Generated Node #0,3,2: 22:[45, 36] Operation: 48-12=36 Exploring Operation: 48-45=3, Resulting Numbers: [12, 3] Generated Node #0,3,3: 22:[12, 3] Operation: 48-45=3 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 22:[12, 3], Operations: ['90/2=45', '48-45=3'] Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,22 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 #0,3,1 Current State: 22:[45, 4], Operations: ['90/2=45', '48/12=4'] Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,22 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,22 unequal: No Solution Exploring Operation: 45*4=180, Resulting Numbers: [180] 180,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 22:[48, 33], Operations: ['90/2=45', '45-12=33'] Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,22 unequal: No Solution Exploring Operation: 48+33=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 48*33=1584, Resulting Numbers: [1584] 1584,22 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 #0,3,2 Current State: 22:[45, 36], Operations: ['90/2=45', '48-12=36'] Exploring Operation: 45+36=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 45-36=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 45*36=1620, Resulting Numbers: [1620] 1620,22 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: 22:[2, 90, 4], Operations: ['48/12=4'] Exploring Operation: 90-2=88, Resulting Numbers: [4, 88] Generated Node #0,1,0: 22:[4, 88] Operation: 90-2=88 Exploring Operation: 90-4=86, Resulting Numbers: [2, 86] Generated Node #0,1,1: 22:[2, 86] Operation: 90-4=86 Exploring Operation: 4-2=2, Resulting Numbers: [90, 2] Generated Node #0,1,2: 22:[90, 2] Operation: 4-2=2 Exploring Operation: 90/2=45, Resulting Numbers: [4, 45] Generated Node #0,1,3: 22:[4, 45] Operation: 90/2=45 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 22:[4, 45], Operations: ['48/12=4', '90/2=45'] Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,22 unequal: No Solution Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,22 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,22 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 #0,1,1 Current State: 22:[2, 86], Operations: ['48/12=4', '90-4=86'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,22 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,22 unequal: No Solution Exploring Operation: 2+86=88, Resulting Numbers: [88] 88,22 unequal: No Solution Exploring Operation: 2*86=172, Resulting Numbers: [172] 172,22 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 #0,1,0 Current State: 22:[4, 88], Operations: ['48/12=4', '90-2=88'] Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[2, 12, 90, 48], Operations: [] Exploring Operation: 48/12=4, Resulting Numbers: [2, 90, 4] Generated Node #0,1: 22:[2, 90, 4] Operation: 48/12=4 Moving to Node #0,1 Current State: 22:[2, 90, 4], Operations: ['48/12=4'] Exploring Operation: 90-2=88, Resulting Numbers: [4, 88] Generated Node #0,1,0: 22:[4, 88] Operation: 90-2=88 Moving to Node #0,1,0 Current State: 22:[4, 88], Operations: ['48/12=4', '90-2=88'] Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.953125
hs_4
sum_heuristic
[ 73, 15, 6, 20 ]
65
[ "6*20=120", "120/15=8", "73-8=65" ]
Current State: 65:[73, 15, 6, 20], Operations: [] Exploring Operation: 6*20=120, Resulting Numbers: [73, 15, 120] Generated Node #2: [73, 15, 120] from Operation: 6*20=120 Current State: 65:[73, 15, 120], Operations: ['6*20=120'] Exploring Operation: 120/15=8, Resulting Numbers: [73, 8] Generated Node #3: [73, 8] from Operation: 120/15=8 Current State: 65:[73, 8], Operations: ['6*20=120', '120/15=8'] Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[73, 15, 6, 20], Operations: [] Exploring Operation: 20-15=5, Resulting Numbers: [73, 6, 5] Generated Node #0,0: 65:[73, 6, 5] Operation: 20-15=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[73, 6, 5], Operations: ['20-15=5'] Exploring Operation: 73-6=67, Resulting Numbers: [5, 67] Generated Node #0,0,0: 65:[5, 67] Operation: 73-6=67 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[5, 67], Operations: ['20-15=5', '73-6=67'] Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 17, 32, 36, 35 ]
30
[ "35-17=18", "36/18=2", "32-2=30" ]
Current State: 30:[17, 32, 36, 35], Operations: [] Exploring Operation: 35-17=18, Resulting Numbers: [32, 36, 18] Generated Node #2: [32, 36, 18] from Operation: 35-17=18 Current State: 30:[32, 36, 18], Operations: ['35-17=18'] Exploring Operation: 36/18=2, Resulting Numbers: [32, 2] Generated Node #3: [32, 2] from Operation: 36/18=2 Current State: 30:[32, 2], Operations: ['35-17=18', '36/18=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[17, 32, 36, 35], Operations: [] Exploring Operation: 35-32=3, Resulting Numbers: [17, 36, 3] Generated Node #0,0: 30:[17, 36, 3] Operation: 35-32=3 Exploring Operation: 36-35=1, Resulting Numbers: [17, 32, 1] Generated Node #0,1: 30:[17, 32, 1] Operation: 36-35=1 Exploring Operation: 36-32=4, Resulting Numbers: [17, 35, 4] Generated Node #0,2: 30:[17, 35, 4] Operation: 36-32=4 Exploring Operation: 32-17=15, Resulting Numbers: [36, 35, 15] Generated Node #0,3: 30:[36, 35, 15] Operation: 32-17=15 Exploring Operation: 36-17=19, Resulting Numbers: [32, 35, 19] Generated Node #0,4: 30:[32, 35, 19] Operation: 36-17=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[17, 32, 1], Operations: ['36-35=1'] Exploring Operation: 17-1=16, Resulting Numbers: [32, 16] Generated Node #0,1,0: 30:[32, 16] Operation: 17-1=16 Exploring Operation: 17*1=17, Resulting Numbers: [32, 17] Generated Node #0,1,1: 30:[32, 17] Operation: 17*1=17 Exploring Operation: 17/1=17, Resulting Numbers: [32, 17] Generated Node #0,1,2: 30:[32, 17] Operation: 17/1=17 Exploring Operation: 32-1=31, Resulting Numbers: [17, 31] Generated Node #0,1,3: 30:[17, 31] Operation: 32-1=31 Exploring Operation: 32-17=15, Resulting Numbers: [1, 15] Generated Node #0,1,4: 30:[1, 15] Operation: 32-17=15 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 30:[1, 15], Operations: ['36-35=1', '32-17=15'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 1+15=16, Resulting Numbers: [16] 16,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 30:[32, 16], Operations: ['36-35=1', '17-1=16'] Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 32+16=48, Resulting Numbers: [48] 48,30 unequal: No Solution Exploring Operation: 32*16=512, Resulting Numbers: [512] 512,30 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 30:[17, 31], Operations: ['36-35=1', '32-1=31'] Exploring Operation: 17*31=527, Resulting Numbers: [527] 527,30 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 30:[32, 17], Operations: ['36-35=1', '17*1=17'] Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 32*17=544, Resulting Numbers: [544] 544,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 30:[32, 17], Operations: ['36-35=1', '17/1=17'] Exploring Operation: 32*17=544, Resulting Numbers: [544] 544,30 unequal: No Solution Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[17, 36, 3], Operations: ['35-32=3'] Exploring Operation: 17-3=14, Resulting Numbers: [36, 14] Generated Node #0,0,0: 30:[36, 14] Operation: 17-3=14 Exploring Operation: 36/3=12, Resulting Numbers: [17, 12] Generated Node #0,0,1: 30:[17, 12] Operation: 36/3=12 Exploring Operation: 36-3=33, Resulting Numbers: [17, 33] Generated Node #0,0,2: 30:[17, 33] Operation: 36-3=33 Exploring Operation: 17+3=20, Resulting Numbers: [36, 20] Generated Node #0,0,3: 30:[36, 20] Operation: 17+3=20 Exploring Operation: 36-17=19, Resulting Numbers: [3, 19] Generated Node #0,0,4: 30:[3, 19] Operation: 36-17=19 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 30:[17, 12], Operations: ['35-32=3', '36/3=12'] Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,30 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,30 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 30:[3, 19], Operations: ['35-32=3', '36-17=19'] Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,30 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,30 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 30:[17, 33], Operations: ['35-32=3', '36-3=33'] Exploring Operation: 17*33=561, Resulting Numbers: [561] 561,30 unequal: No Solution Exploring Operation: 17+33=50, Resulting Numbers: [50] 50,30 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[36, 14], Operations: ['35-32=3', '17-3=14'] Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,30 unequal: No Solution Exploring Operation: 36*14=504, Resulting Numbers: [504] 504,30 unequal: No Solution Exploring Operation: 36+14=50, Resulting Numbers: [50] 50,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 30:[36, 20], Operations: ['35-32=3', '17+3=20'] Exploring Operation: 36+20=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 36*20=720, Resulting Numbers: [720] 720,30 unequal: No Solution Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[17, 35, 4], Operations: ['36-32=4'] Exploring Operation: 17-4=13, Resulting Numbers: [35, 13] Generated Node #0,2,0: 30:[35, 13] Operation: 17-4=13 Exploring Operation: 35-4=31, Resulting Numbers: [17, 31] Generated Node #0,2,1: 30:[17, 31] Operation: 35-4=31 Exploring Operation: 35-17=18, Resulting Numbers: [4, 18] Generated Node #0,2,2: 30:[4, 18] Operation: 35-17=18 Exploring Operation: 17+4=21, Resulting Numbers: [35, 21] Generated Node #0,2,3: 30:[35, 21] Operation: 17+4=21 Exploring Operation: 35+4=39, Resulting Numbers: [17, 39] Generated Node #0,2,4: 30:[17, 39] Operation: 35+4=39 Moving to Node #0,2,1 Current State: 30:[17, 31], Operations: ['36-32=4', '35-4=31'] Exploring Operation: 17*31=527, Resulting Numbers: [527] 527,30 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[4, 18], Operations: ['36-32=4', '35-17=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,30 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,30 unequal: No Solution Moving to Node #0,2,0 Current State: 30:[35, 13], Operations: ['36-32=4', '17-4=13'] Exploring Operation: 35+13=48, Resulting Numbers: [48] 48,30 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,30 unequal: No Solution Exploring Operation: 35*13=455, Resulting Numbers: [455] 455,30 unequal: No Solution Moving to Node #0,2,3 Current State: 30:[35, 21], Operations: ['36-32=4', '17+4=21'] Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 35*21=735, Resulting Numbers: [735] 735,30 unequal: No Solution Exploring Operation: 35+21=56, Resulting Numbers: [56] 56,30 unequal: No Solution Moving to Node #0,2,4 Current State: 30:[17, 39], Operations: ['36-32=4', '35+4=39'] Exploring Operation: 17+39=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 17*39=663, Resulting Numbers: [663] 663,30 unequal: No Solution Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 30:[36, 35, 15], Operations: ['32-17=15'] Exploring Operation: 35-15=20, Resulting Numbers: [36, 20] Generated Node #0,3,0: 30:[36, 20] Operation: 35-15=20 Exploring Operation: 35+15=50, Resulting Numbers: [36, 50] Generated Node #0,3,1: 30:[36, 50] Operation: 35+15=50 Exploring Operation: 36+15=51, Resulting Numbers: [35, 51] Generated Node #0,3,2: 30:[35, 51] Operation: 36+15=51 Exploring Operation: 36-15=21, Resulting Numbers: [35, 21] Generated Node #0,3,3: 30:[35, 21] Operation: 36-15=21 Exploring Operation: 36-35=1, Resulting Numbers: [15, 1] Generated Node #0,3,4: 30:[15, 1] Operation: 36-35=1 Moving to Node #0,3,4 Current State: 30:[15, 1], Operations: ['32-17=15', '36-35=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,30 unequal: No Solution Moving to Node #0,3,3 Current State: 30:[35, 21], Operations: ['32-17=15', '36-15=21'] Exploring Operation: 35+21=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 35*21=735, Resulting Numbers: [735] 735,30 unequal: No Solution Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,30 unequal: No Solution Moving to Node #0,3,0 Current State: 30:[36, 20], Operations: ['32-17=15', '35-15=20'] Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 36*20=720, Resulting Numbers: [720] 720,30 unequal: No Solution Exploring Operation: 36+20=56, Resulting Numbers: [56] 56,30 unequal: No Solution Moving to Node #0,3,1 Current State: 30:[36, 50], Operations: ['32-17=15', '35+15=50'] Exploring Operation: 36+50=86, Resulting Numbers: [86] 86,30 unequal: No Solution Exploring Operation: 36*50=1800, Resulting Numbers: [1800] 1800,30 unequal: No Solution Exploring Operation: 50-36=14, Resulting Numbers: [14] 14,30 unequal: No Solution Moving to Node #0,3,2 Current State: 30:[35, 51], Operations: ['32-17=15', '36+15=51'] Exploring Operation: 35+51=86, Resulting Numbers: [86] 86,30 unequal: No Solution Exploring Operation: 35*51=1785, Resulting Numbers: [1785] 1785,30 unequal: No Solution Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 30:[32, 35, 19], Operations: ['36-17=19'] Exploring Operation: 32+19=51, Resulting Numbers: [35, 51] Generated Node #0,4,0: 30:[35, 51] Operation: 32+19=51 Exploring Operation: 35-32=3, Resulting Numbers: [19, 3] Generated Node #0,4,1: 30:[19, 3] Operation: 35-32=3 Exploring Operation: 35+19=54, Resulting Numbers: [32, 54] Generated Node #0,4,2: 30:[32, 54] Operation: 35+19=54 Exploring Operation: 32-19=13, Resulting Numbers: [35, 13] Generated Node #0,4,3: 30:[35, 13] Operation: 32-19=13 Exploring Operation: 35-19=16, Resulting Numbers: [32, 16] Generated Node #0,4,4: 30:[32, 16] Operation: 35-19=16 Moving to Node #0,4,4 Current State: 30:[32, 16], Operations: ['36-17=19', '35-19=16'] Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 32*16=512, Resulting Numbers: [512] 512,30 unequal: No Solution Exploring Operation: 32+16=48, Resulting Numbers: [48] 48,30 unequal: No Solution Moving to Node #0,4,1 Current State: 30:[19, 3], Operations: ['36-17=19', '35-32=3'] Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,30 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,30 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,30 unequal: No Solution Moving to Node #0,4,3 Current State: 30:[35, 13], Operations: ['36-17=19', '32-19=13'] Exploring Operation: 35+13=48, Resulting Numbers: [48] 48,30 unequal: No Solution Exploring Operation: 35*13=455, Resulting Numbers: [455] 455,30 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,30 unequal: No Solution Moving to Node #0,4,0 Current State: 30:[35, 51], Operations: ['36-17=19', '32+19=51'] Exploring Operation: 35+51=86, Resulting Numbers: [86] 86,30 unequal: No Solution Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 35*51=1785, Resulting Numbers: [1785] 1785,30 unequal: No Solution Moving to Node #0,4,2 Current State: 30:[32, 54], Operations: ['36-17=19', '35+19=54'] Exploring Operation: 32*54=1728, Resulting Numbers: [1728] 1728,30 unequal: No Solution Exploring Operation: 32+54=86, Resulting Numbers: [86] 86,30 unequal: No Solution Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,30 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