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
[ 79, 24, 5, 29 ]
78
[ "24+5=29", "29/29=1", "79-1=78" ]
Current State: 78:[79, 24, 5, 29], Operations: [] Exploring Operation: 24+5=29, Resulting Numbers: [79, 29, 29] Generated Node #2: [79, 29, 29] from Operation: 24+5=29 Current State: 78:[79, 29, 29], Operations: ['24+5=29'] Exploring Operation: 29/29=1, Resulting Numbers: [79, 1] Generated Node #3: [79, 1] from Operation: 29/29=1 Current State: 78:[79, 1], Operations: ['24+5=29', '29/29=1'] Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[79, 24, 5, 29], Operations: [] Exploring Operation: 29-24=5, Resulting Numbers: [79, 5, 5] Generated Node #0,0: 78:[79, 5, 5] Operation: 29-24=5 Moving to Node #0,0 Current State: 78:[79, 5, 5], Operations: ['29-24=5'] Exploring Operation: 5*5=25, Resulting Numbers: [79, 25] Generated Node #0,0,0: 78:[79, 25] Operation: 5*5=25 Moving to Node #0,0,0 Current State: 78:[79, 25], Operations: ['29-24=5', '5*5=25'] Exploring Operation: 79-25=54, Resulting Numbers: [54] 54,78 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 38, 13, 56, 64 ]
33
[ "38-13=25", "64-56=8", "25+8=33" ]
Current State: 33:[38, 13, 56, 64], Operations: [] Exploring Operation: 38-13=25, Resulting Numbers: [56, 64, 25] Generated Node #2: [56, 64, 25] from Operation: 38-13=25 Current State: 33:[56, 64, 25], Operations: ['38-13=25'] Exploring Operation: 64-56=8, Resulting Numbers: [25, 8] Generated Node #3: [25, 8] from Operation: 64-56=8 Current State: 33:[25, 8], Operations: ['38-13=25', '64-56=8'] Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[38, 13, 56, 64], Operations: [] Exploring Operation: 64-56=8, Resulting Numbers: [38, 13, 8] Generated Node #0,0: 33:[38, 13, 8] Operation: 64-56=8 Exploring Operation: 64-38=26, Resulting Numbers: [13, 56, 26] Generated Node #0,1: 33:[13, 56, 26] Operation: 64-38=26 Exploring Operation: 56-38=18, Resulting Numbers: [13, 64, 18] Generated Node #0,2: 33:[13, 64, 18] Operation: 56-38=18 Moving to Node #0,0 Current State: 33:[38, 13, 8], Operations: ['64-56=8'] Exploring Operation: 13-8=5, Resulting Numbers: [38, 5] Generated Node #0,0,0: 33:[38, 5] Operation: 13-8=5 Exploring Operation: 38-13=25, Resulting Numbers: [8, 25] Generated Node #0,0,1: 33:[8, 25] Operation: 38-13=25 Exploring Operation: 38-8=30, Resulting Numbers: [13, 30] Generated Node #0,0,2: 33:[13, 30] Operation: 38-8=30 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 33:[13, 30], Operations: ['64-56=8', '38-8=30'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,33 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 #0,0,0 Current State: 33:[38, 5], Operations: ['64-56=8', '13-8=5'] Exploring Operation: 38*5=190, Resulting Numbers: [190] 190,33 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[38, 13, 56, 64], Operations: [] Exploring Operation: 64-56=8, Resulting Numbers: [38, 13, 8] Generated Node #0,0: 33:[38, 13, 8] Operation: 64-56=8 Moving to Node #0,0 Current State: 33:[38, 13, 8], Operations: ['64-56=8'] Exploring Operation: 13-8=5, Resulting Numbers: [38, 5] Generated Node #0,0,0: 33:[38, 5] Operation: 13-8=5 Moving to Node #0,0,0 Current State: 33:[38, 5], Operations: ['64-56=8', '13-8=5'] Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 86, 55, 2, 32 ]
50
[ "86*32=2752", "2752-2=2750", "2750/55=50" ]
Current State: 50:[86, 55, 2, 32], Operations: [] Exploring Operation: 86*32=2752, Resulting Numbers: [55, 2, 2752] Generated Node #2: [55, 2, 2752] from Operation: 86*32=2752 Current State: 50:[55, 2, 2752], Operations: ['86*32=2752'] Exploring Operation: 2752-2=2750, Resulting Numbers: [55, 2750] Generated Node #3: [55, 2750] from Operation: 2752-2=2750 Current State: 50:[55, 2750], Operations: ['86*32=2752', '2752-2=2750'] Exploring Operation: 2750/55=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[86, 55, 2, 32], Operations: [] Exploring Operation: 86-32=54, Resulting Numbers: [55, 2, 54] Generated Node #0,0: 50:[55, 2, 54] Operation: 86-32=54 Moving to Node #0,0 Current State: 50:[55, 2, 54], Operations: ['86-32=54'] Exploring Operation: 55-54=1, Resulting Numbers: [2, 1] Generated Node #0,0,0: 50:[2, 1] Operation: 55-54=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[2, 1], Operations: ['86-32=54', '55-54=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 62, 73, 18, 55 ]
26
[ "73-62=11", "55-18=37", "37-11=26" ]
Current State: 26:[62, 73, 18, 55], Operations: [] Exploring Operation: 73-62=11, Resulting Numbers: [18, 55, 11] Generated Node #2: [18, 55, 11] from Operation: 73-62=11 Current State: 26:[18, 55, 11], Operations: ['73-62=11'] Exploring Operation: 55-18=37, Resulting Numbers: [11, 37] Generated Node #3: [11, 37] from Operation: 55-18=37 Current State: 26:[11, 37], Operations: ['73-62=11', '55-18=37'] Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[62, 73, 18, 55], Operations: [] Exploring Operation: 62-18=44, Resulting Numbers: [73, 55, 44] Generated Node #0,0: 26:[73, 55, 44] Operation: 62-18=44 Exploring Operation: 62-55=7, Resulting Numbers: [73, 18, 7] Generated Node #0,1: 26:[73, 18, 7] Operation: 62-55=7 Exploring Operation: 73-62=11, Resulting Numbers: [18, 55, 11] Generated Node #0,2: 26:[18, 55, 11] Operation: 73-62=11 Exploring Operation: 73-55=18, Resulting Numbers: [62, 18, 18] Generated Node #0,3: 26:[62, 18, 18] Operation: 73-55=18 Moving to Node #0,2 Current State: 26:[18, 55, 11], Operations: ['73-62=11'] Exploring Operation: 55-18=37, Resulting Numbers: [11, 37] Generated Node #0,2,0: 26:[11, 37] Operation: 55-18=37 Exploring Operation: 55-11=44, Resulting Numbers: [18, 44] Generated Node #0,2,1: 26:[18, 44] Operation: 55-11=44 Exploring Operation: 18+11=29, Resulting Numbers: [55, 29] Generated Node #0,2,2: 26:[55, 29] Operation: 18+11=29 Exploring Operation: 55/11=5, Resulting Numbers: [18, 5] Generated Node #0,2,3: 26:[18, 5] Operation: 55/11=5 Moving to Node #0,3 Current State: 26:[62, 18, 18], Operations: ['73-55=18'] Exploring Operation: 18-18=0, Resulting Numbers: [62, 0] Generated Node #0,3,0: 26:[62, 0] Operation: 18-18=0 Exploring Operation: 62-18=44, Resulting Numbers: [18, 44] Generated Node #0,3,1: 26:[18, 44] Operation: 62-18=44 Exploring Operation: 18/18=1, Resulting Numbers: [62, 1] Generated Node #0,3,2: 26:[62, 1] Operation: 18/18=1 Exploring Operation: 62-18=44, Resulting Numbers: [18, 44] Generated Node #0,3,3: 26:[18, 44] Operation: 62-18=44 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 26:[18, 44], Operations: ['73-55=18', '62-18=44'] Exploring Operation: 18+44=62, Resulting Numbers: [62] 62,26 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[62, 73, 18, 55], Operations: [] Exploring Operation: 73-55=18, Resulting Numbers: [62, 18, 18] Generated Node #0,3: 26:[62, 18, 18] Operation: 73-55=18 Moving to Node #0,3 Current State: 26:[62, 18, 18], Operations: ['73-55=18'] Exploring Operation: 62-18=44, Resulting Numbers: [18, 44] Generated Node #0,3,1: 26:[18, 44] Operation: 62-18=44 Moving to Node #0,3,1 Current State: 26:[18, 44], Operations: ['73-55=18', '62-18=44'] Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 19, 93, 29, 42 ]
99
[ "19+93=112", "42-29=13", "112-13=99" ]
Current State: 99:[19, 93, 29, 42], Operations: [] Exploring Operation: 19+93=112, Resulting Numbers: [29, 42, 112] Generated Node #2: [29, 42, 112] from Operation: 19+93=112 Current State: 99:[29, 42, 112], Operations: ['19+93=112'] Exploring Operation: 42-29=13, Resulting Numbers: [112, 13] Generated Node #3: [112, 13] from Operation: 42-29=13 Current State: 99:[112, 13], Operations: ['19+93=112', '42-29=13'] Exploring Operation: 112-13=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[19, 93, 29, 42], Operations: [] Exploring Operation: 29-19=10, Resulting Numbers: [93, 42, 10] Generated Node #0,0: 99:[93, 42, 10] Operation: 29-19=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[93, 42, 10], Operations: ['29-19=10'] Exploring Operation: 42-10=32, Resulting Numbers: [93, 32] Generated Node #0,0,0: 99:[93, 32] Operation: 42-10=32 Moving to Node #0,0,0 Current State: 99:[93, 32], Operations: ['29-19=10', '42-10=32'] Exploring Operation: 93+32=125, Resulting Numbers: [125] 125,99 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
[ 17, 60, 14, 84 ]
32
[ "17-14=3", "84/3=28", "60-28=32" ]
Current State: 32:[17, 60, 14, 84], Operations: [] Exploring Operation: 17-14=3, Resulting Numbers: [60, 84, 3] Generated Node #2: [60, 84, 3] from Operation: 17-14=3 Current State: 32:[60, 84, 3], Operations: ['17-14=3'] Exploring Operation: 84/3=28, Resulting Numbers: [60, 28] Generated Node #3: [60, 28] from Operation: 84/3=28 Current State: 32:[60, 28], Operations: ['17-14=3', '84/3=28'] Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[17, 60, 14, 84], Operations: [] Exploring Operation: 84-60=24, Resulting Numbers: [17, 14, 24] Generated Node #0,0: 32:[17, 14, 24] Operation: 84-60=24 Moving to Node #0,0 Current State: 32:[17, 14, 24], Operations: ['84-60=24'] Exploring Operation: 24-17=7, Resulting Numbers: [14, 7] Generated Node #0,0,0: 32:[14, 7] Operation: 24-17=7 Moving to Node #0,0,0 Current State: 32:[14, 7], Operations: ['84-60=24', '24-17=7'] Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,32 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 89, 76, 19, 66 ]
60
[ "89-76=13", "66-19=47", "13+47=60" ]
Current State: 60:[89, 76, 19, 66], Operations: [] Exploring Operation: 89-76=13, Resulting Numbers: [19, 66, 13] Generated Node #2: [19, 66, 13] from Operation: 89-76=13 Current State: 60:[19, 66, 13], Operations: ['89-76=13'] Exploring Operation: 66-19=47, Resulting Numbers: [13, 47] Generated Node #3: [13, 47] from Operation: 66-19=47 Current State: 60:[13, 47], Operations: ['89-76=13', '66-19=47'] Exploring Operation: 13+47=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[89, 76, 19, 66], Operations: [] Exploring Operation: 89-76=13, Resulting Numbers: [19, 66, 13] Generated Node #0,0: 60:[19, 66, 13] Operation: 89-76=13 Moving to Node #0,0 Current State: 60:[19, 66, 13], Operations: ['89-76=13'] Exploring Operation: 19-13=6, Resulting Numbers: [66, 6] Generated Node #0,0,0: 60:[66, 6] Operation: 19-13=6 Moving to Node #0,0,0 Current State: 60:[66, 6], Operations: ['89-76=13', '19-13=6'] Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[89, 76, 19, 66], Operations: [] Exploring Operation: 89-76=13, Resulting Numbers: [19, 66, 13] Generated Node #0,0: 60:[19, 66, 13] Operation: 89-76=13 Moving to Node #0,0 Current State: 60:[19, 66, 13], Operations: ['89-76=13'] Exploring Operation: 19-13=6, Resulting Numbers: [66, 6] Generated Node #0,0,0: 60:[66, 6] Operation: 19-13=6 Moving to Node #0,0,0 Current State: 60:[66, 6], Operations: ['89-76=13', '19-13=6'] Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 86, 94, 38, 2 ]
92
[ "94-86=8", "38+8=46", "2*46=92" ]
Current State: 92:[86, 94, 38, 2], Operations: [] Exploring Operation: 94-86=8, Resulting Numbers: [38, 2, 8] Generated Node #2: [38, 2, 8] from Operation: 94-86=8 Current State: 92:[38, 2, 8], Operations: ['94-86=8'] Exploring Operation: 38+8=46, Resulting Numbers: [2, 46] Generated Node #3: [2, 46] from Operation: 38+8=46 Current State: 92:[2, 46], Operations: ['94-86=8', '38+8=46'] Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[86, 94, 38, 2], Operations: [] Exploring Operation: 86-38=48, Resulting Numbers: [94, 2, 48] Generated Node #0,0: 92:[94, 2, 48] Operation: 86-38=48 Exploring Operation: 94-86=8, Resulting Numbers: [38, 2, 8] Generated Node #0,1: 92:[38, 2, 8] Operation: 94-86=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[94, 2, 48], Operations: ['86-38=48'] Exploring Operation: 94-2=92, Resulting Numbers: [48, 92] Generated Node #0,0,0: 92:[48, 92] Operation: 94-2=92 Exploring Operation: 94-48=46, Resulting Numbers: [2, 46] Generated Node #0,0,1: 92:[2, 46] Operation: 94-48=46 Moving to Node #0,0,1 Current State: 92:[2, 46], Operations: ['86-38=48', '94-48=46'] Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[86, 94, 38, 2], Operations: [] Exploring Operation: 86-38=48, Resulting Numbers: [94, 2, 48] Generated Node #0,0: 92:[94, 2, 48] Operation: 86-38=48 Moving to Node #0,0 Current State: 92:[94, 2, 48], Operations: ['86-38=48'] Exploring Operation: 94-48=46, Resulting Numbers: [2, 46] Generated Node #0,0,1: 92:[2, 46] Operation: 94-48=46 Moving to Node #0,0,1 Current State: 92:[2, 46], Operations: ['86-38=48', '94-48=46'] Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 93, 35, 12, 70 ]
24
[ "93-35=58", "12+70=82", "82-58=24" ]
Current State: 24:[93, 35, 12, 70], Operations: [] Exploring Operation: 93-35=58, Resulting Numbers: [12, 70, 58] Generated Node #2: [12, 70, 58] from Operation: 93-35=58 Current State: 24:[12, 70, 58], Operations: ['93-35=58'] Exploring Operation: 12+70=82, Resulting Numbers: [58, 82] Generated Node #3: [58, 82] from Operation: 12+70=82 Current State: 24:[58, 82], Operations: ['93-35=58', '12+70=82'] Exploring Operation: 82-58=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[93, 35, 12, 70], Operations: [] Exploring Operation: 93-70=23, Resulting Numbers: [35, 12, 23] Generated Node #0,0: 24:[35, 12, 23] Operation: 93-70=23 Exploring Operation: 70/35=2, Resulting Numbers: [93, 12, 2] Generated Node #0,1: 24:[93, 12, 2] Operation: 70/35=2 Exploring Operation: 93-35=58, Resulting Numbers: [12, 70, 58] Generated Node #0,2: 24:[12, 70, 58] Operation: 93-35=58 Moving to Node #0,0 Current State: 24:[35, 12, 23], Operations: ['93-70=23'] Exploring Operation: 23-12=11, Resulting Numbers: [35, 11] Generated Node #0,0,0: 24:[35, 11] Operation: 23-12=11 Exploring Operation: 35-23=12, Resulting Numbers: [12, 12] Generated Node #0,0,1: 24:[12, 12] Operation: 35-23=12 Exploring Operation: 35-12=23, Resulting Numbers: [23, 23] Generated Node #0,0,2: 24:[23, 23] Operation: 35-12=23 Moving to Node #0,1 Current State: 24:[93, 12, 2], Operations: ['70/35=2'] Exploring Operation: 93-12=81, Resulting Numbers: [2, 81] Generated Node #0,1,0: 24:[2, 81] Operation: 93-12=81 Exploring Operation: 12*2=24, Resulting Numbers: [93, 24] Generated Node #0,1,1: 24:[93, 24] Operation: 12*2=24 Exploring Operation: 93-2=91, Resulting Numbers: [12, 91] Generated Node #0,1,2: 24:[12, 91] Operation: 93-2=91 Moving to Node #0,2 Current State: 24:[12, 70, 58], Operations: ['93-35=58'] Exploring Operation: 70-12=58, Resulting Numbers: [58, 58] Generated Node #0,2,0: 24:[58, 58] Operation: 70-12=58 Exploring Operation: 58-12=46, Resulting Numbers: [70, 46] Generated Node #0,2,1: 24:[70, 46] Operation: 58-12=46 Exploring Operation: 70-58=12, Resulting Numbers: [12, 12] Generated Node #0,2,2: 24:[12, 12] Operation: 70-58=12 Moving to Node #0,0,1 Current State: 24:[12, 12], Operations: ['93-70=23', '35-23=12'] Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 12-12=0, Resulting Numbers: [0] 0,24 unequal: No Solution Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[93, 35, 12, 70], Operations: [] Exploring Operation: 93-70=23, Resulting Numbers: [35, 12, 23] Generated Node #0,0: 24:[35, 12, 23] Operation: 93-70=23 Moving to Node #0,0 Current State: 24:[35, 12, 23], Operations: ['93-70=23'] Exploring Operation: 35-23=12, Resulting Numbers: [12, 12] Generated Node #0,0,1: 24:[12, 12] Operation: 35-23=12 Moving to Node #0,0,1 Current State: 24:[12, 12], Operations: ['93-70=23', '35-23=12'] Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.983507
hs_3
sum_heuristic
[ 57, 75, 68, 53 ]
11
[ "57+75=132", "68+53=121", "132-121=11" ]
Current State: 11:[57, 75, 68, 53], Operations: [] Exploring Operation: 57+75=132, Resulting Numbers: [68, 53, 132] Generated Node #2: [68, 53, 132] from Operation: 57+75=132 Current State: 11:[68, 53, 132], Operations: ['57+75=132'] Exploring Operation: 68+53=121, Resulting Numbers: [132, 121] Generated Node #3: [132, 121] from Operation: 68+53=121 Current State: 11:[132, 121], Operations: ['57+75=132', '68+53=121'] Exploring Operation: 132-121=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[57, 75, 68, 53], Operations: [] Exploring Operation: 75-68=7, Resulting Numbers: [57, 53, 7] Generated Node #0,0: 11:[57, 53, 7] Operation: 75-68=7 Moving to Node #0,0 Current State: 11:[57, 53, 7], Operations: ['75-68=7'] Exploring Operation: 57-53=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 11:[7, 4] Operation: 57-53=4 Moving to Node #0,0,0 Current State: 11:[7, 4], Operations: ['75-68=7', '57-53=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[57, 75, 68, 53], Operations: [] Exploring Operation: 75-68=7, Resulting Numbers: [57, 53, 7] Generated Node #0,0: 11:[57, 53, 7] Operation: 75-68=7 Moving to Node #0,0 Current State: 11:[57, 53, 7], Operations: ['75-68=7'] Exploring Operation: 57-53=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 11:[7, 4] Operation: 57-53=4 Moving to Node #0,0,0 Current State: 11:[7, 4], Operations: ['75-68=7', '57-53=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 81, 65, 45, 85 ]
83
[ "45+85=130", "130/65=2", "81+2=83" ]
Current State: 83:[81, 65, 45, 85], Operations: [] Exploring Operation: 45+85=130, Resulting Numbers: [81, 65, 130] Generated Node #2: [81, 65, 130] from Operation: 45+85=130 Current State: 83:[81, 65, 130], Operations: ['45+85=130'] Exploring Operation: 130/65=2, Resulting Numbers: [81, 2] Generated Node #3: [81, 2] from Operation: 130/65=2 Current State: 83:[81, 2], Operations: ['45+85=130', '130/65=2'] Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[81, 65, 45, 85], Operations: [] Exploring Operation: 65+45=110, Resulting Numbers: [81, 85, 110] Generated Node #0,0: 83:[81, 85, 110] Operation: 65+45=110 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[81, 85, 110], Operations: ['65+45=110'] Exploring Operation: 110-81=29, Resulting Numbers: [85, 29] Generated Node #0,0,0: 83:[85, 29] Operation: 110-81=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[85, 29], Operations: ['65+45=110', '110-81=29'] Exploring Operation: 85-29=56, Resulting Numbers: [56] 56,83 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_1
mult_heuristic
[ 68, 56, 48, 47 ]
43
[ "68-56=12", "48/12=4", "47-4=43" ]
Current State: 43:[68, 56, 48, 47], Operations: [] Exploring Operation: 68-56=12, Resulting Numbers: [48, 47, 12] Generated Node #2: [48, 47, 12] from Operation: 68-56=12 Current State: 43:[48, 47, 12], Operations: ['68-56=12'] Exploring Operation: 48/12=4, Resulting Numbers: [47, 4] Generated Node #3: [47, 4] from Operation: 48/12=4 Current State: 43:[47, 4], Operations: ['68-56=12', '48/12=4'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[68, 56, 48, 47], Operations: [] Exploring Operation: 68-47=21, Resulting Numbers: [56, 48, 21] Generated Node #0,0: 43:[56, 48, 21] Operation: 68-47=21 Exploring Operation: 68-56=12, Resulting Numbers: [48, 47, 12] Generated Node #0,1: 43:[48, 47, 12] Operation: 68-56=12 Exploring Operation: 68-48=20, Resulting Numbers: [56, 47, 20] Generated Node #0,2: 43:[56, 47, 20] Operation: 68-48=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[56, 48, 21], Operations: ['68-47=21'] Exploring Operation: 48-21=27, Resulting Numbers: [56, 27] Generated Node #0,0,0: 43:[56, 27] Operation: 48-21=27 Exploring Operation: 56-21=35, Resulting Numbers: [48, 35] Generated Node #0,0,1: 43:[48, 35] Operation: 56-21=35 Exploring Operation: 56+21=77, Resulting Numbers: [48, 77] Generated Node #0,0,2: 43:[48, 77] Operation: 56+21=77 Moving to Node #0,0,1 Current State: 43:[48, 35], Operations: ['68-47=21', '56-21=35'] Exploring Operation: 48*35=1680, Resulting Numbers: [1680] 1680,43 unequal: No Solution Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,43 unequal: No Solution Exploring Operation: 48+35=83, Resulting Numbers: [83] 83,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[56, 27], Operations: ['68-47=21', '48-21=27'] Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 56+27=83, Resulting Numbers: [83] 83,43 unequal: No Solution Exploring Operation: 56*27=1512, Resulting Numbers: [1512] 1512,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[48, 77], Operations: ['68-47=21', '56+21=77'] Exploring Operation: 48*77=3696, Resulting Numbers: [3696] 3696,43 unequal: No Solution Exploring Operation: 48+77=125, Resulting Numbers: [125] 125,43 unequal: No Solution Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,43 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 Current State: 43:[48, 47, 12], Operations: ['68-56=12'] Exploring Operation: 48+12=60, Resulting Numbers: [47, 60] Generated Node #0,1,0: 43:[47, 60] Operation: 48+12=60 Exploring Operation: 48-12=36, Resulting Numbers: [47, 36] Generated Node #0,1,1: 43:[47, 36] Operation: 48-12=36 Exploring Operation: 47-12=35, Resulting Numbers: [48, 35] Generated Node #0,1,2: 43:[48, 35] Operation: 47-12=35 Moving to Node #0,1,1 Current State: 43:[47, 36], Operations: ['68-56=12', '48-12=36'] Exploring Operation: 47*36=1692, Resulting Numbers: [1692] 1692,43 unequal: No Solution Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 47+36=83, Resulting Numbers: [83] 83,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[48, 35], Operations: ['68-56=12', '47-12=35'] Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,43 unequal: No Solution Exploring Operation: 48*35=1680, Resulting Numbers: [1680] 1680,43 unequal: No Solution Exploring Operation: 48+35=83, Resulting Numbers: [83] 83,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[47, 60], Operations: ['68-56=12', '48+12=60'] Exploring Operation: 47*60=2820, Resulting Numbers: [2820] 2820,43 unequal: No Solution Exploring Operation: 47+60=107, Resulting Numbers: [107] 107,43 unequal: No Solution Exploring Operation: 60-47=13, Resulting Numbers: [13] 13,43 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:[56, 47, 20], Operations: ['68-48=20'] Exploring Operation: 56+20=76, Resulting Numbers: [47, 76] Generated Node #0,2,0: 43:[47, 76] Operation: 56+20=76 Exploring Operation: 47-20=27, Resulting Numbers: [56, 27] Generated Node #0,2,1: 43:[56, 27] Operation: 47-20=27 Exploring Operation: 56-20=36, Resulting Numbers: [47, 36] Generated Node #0,2,2: 43:[47, 36] Operation: 56-20=36 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[47, 36], Operations: ['68-48=20', '56-20=36'] Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 47+36=83, Resulting Numbers: [83] 83,43 unequal: No Solution Exploring Operation: 47*36=1692, Resulting Numbers: [1692] 1692,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[56, 27], Operations: ['68-48=20', '47-20=27'] Exploring Operation: 56*27=1512, Resulting Numbers: [1512] 1512,43 unequal: No Solution Exploring Operation: 56+27=83, Resulting Numbers: [83] 83,43 unequal: No Solution Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,43 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:[47, 76], Operations: ['68-48=20', '56+20=76'] Exploring Operation: 47*76=3572, Resulting Numbers: [3572] 3572,43 unequal: No Solution Exploring Operation: 76-47=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 47+76=123, Resulting Numbers: [123] 123,43 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
sum_heuristic
[ 76, 34, 56, 9 ]
66
[ "34+56=90", "90/9=10", "76-10=66" ]
Current State: 66:[76, 34, 56, 9], Operations: [] Exploring Operation: 34+56=90, Resulting Numbers: [76, 9, 90] Generated Node #2: [76, 9, 90] from Operation: 34+56=90 Current State: 66:[76, 9, 90], Operations: ['34+56=90'] Exploring Operation: 90/9=10, Resulting Numbers: [76, 10] Generated Node #3: [76, 10] from Operation: 90/9=10 Current State: 66:[76, 10], Operations: ['34+56=90', '90/9=10'] Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[76, 34, 56, 9], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [34, 9, 20] Generated Node #0,0: 66:[34, 9, 20] Operation: 76-56=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[34, 9, 20], Operations: ['76-56=20'] Exploring Operation: 20-9=11, Resulting Numbers: [34, 11] Generated Node #0,0,0: 66:[34, 11] Operation: 20-9=11 Moving to Node #0,0,0 Current State: 66:[34, 11], Operations: ['76-56=20', '20-9=11'] Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,66 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
[ 19, 97, 54, 63 ]
39
[ "97-19=78", "54+63=117", "117-78=39" ]
Current State: 39:[19, 97, 54, 63], Operations: [] Exploring Operation: 97-19=78, Resulting Numbers: [54, 63, 78] Generated Node #2: [54, 63, 78] from Operation: 97-19=78 Current State: 39:[54, 63, 78], Operations: ['97-19=78'] Exploring Operation: 54+63=117, Resulting Numbers: [78, 117] Generated Node #3: [78, 117] from Operation: 54+63=117 Current State: 39:[78, 117], Operations: ['97-19=78', '54+63=117'] Exploring Operation: 117-78=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[19, 97, 54, 63], Operations: [] Exploring Operation: 97-63=34, Resulting Numbers: [19, 54, 34] Generated Node #0,0: 39:[19, 54, 34] Operation: 97-63=34 Exploring Operation: 97-19=78, Resulting Numbers: [54, 63, 78] Generated Node #0,1: 39:[54, 63, 78] Operation: 97-19=78 Exploring Operation: 63-54=9, Resulting Numbers: [19, 97, 9] Generated Node #0,2: 39:[19, 97, 9] Operation: 63-54=9 Exploring Operation: 97-54=43, Resulting Numbers: [19, 63, 43] Generated Node #0,3: 39:[19, 63, 43] Operation: 97-54=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[19, 54, 34], Operations: ['97-63=34'] Exploring Operation: 54-34=20, Resulting Numbers: [19, 20] Generated Node #0,0,0: 39:[19, 20] Operation: 54-34=20 Exploring Operation: 34-19=15, Resulting Numbers: [54, 15] Generated Node #0,0,1: 39:[54, 15] Operation: 34-19=15 Exploring Operation: 54-19=35, Resulting Numbers: [34, 35] Generated Node #0,0,2: 39:[34, 35] Operation: 54-19=35 Exploring Operation: 19+34=53, Resulting Numbers: [54, 53] Generated Node #0,0,3: 39:[54, 53] Operation: 19+34=53 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[34, 35], Operations: ['97-63=34', '54-19=35'] Exploring Operation: 34+35=69, Resulting Numbers: [69] 69,39 unequal: No Solution Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 34*35=1190, Resulting Numbers: [1190] 1190,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[19, 20], Operations: ['97-63=34', '54-34=20'] Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[19, 97, 54, 63], Operations: [] Exploring Operation: 97-63=34, Resulting Numbers: [19, 54, 34] Generated Node #0,0: 39:[19, 54, 34] Operation: 97-63=34 Moving to Node #0,0 Current State: 39:[19, 54, 34], Operations: ['97-63=34'] Exploring Operation: 54-34=20, Resulting Numbers: [19, 20] Generated Node #0,0,0: 39:[19, 20] Operation: 54-34=20 Moving to Node #0,0,0 Current State: 39:[19, 20], Operations: ['97-63=34', '54-34=20'] Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 33, 95, 92, 56 ]
99
[ "56-33=23", "92/23=4", "95+4=99" ]
Current State: 99:[33, 95, 92, 56], Operations: [] Exploring Operation: 56-33=23, Resulting Numbers: [95, 92, 23] Generated Node #2: [95, 92, 23] from Operation: 56-33=23 Current State: 99:[95, 92, 23], Operations: ['56-33=23'] Exploring Operation: 92/23=4, Resulting Numbers: [95, 4] Generated Node #3: [95, 4] from Operation: 92/23=4 Current State: 99:[95, 4], Operations: ['56-33=23', '92/23=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[33, 95, 92, 56], Operations: [] Exploring Operation: 95-56=39, Resulting Numbers: [33, 92, 39] Generated Node #0,0: 99:[33, 92, 39] Operation: 95-56=39 Exploring Operation: 92-56=36, Resulting Numbers: [33, 95, 36] Generated Node #0,1: 99:[33, 95, 36] Operation: 92-56=36 Moving to Node #0,1 Current State: 99:[33, 95, 36], Operations: ['92-56=36'] Exploring Operation: 36-33=3, Resulting Numbers: [95, 3] Generated Node #0,1,0: 99:[95, 3] Operation: 36-33=3 Exploring Operation: 95-36=59, Resulting Numbers: [33, 59] Generated Node #0,1,1: 99:[33, 59] Operation: 95-36=59 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 99:[95, 3], Operations: ['92-56=36', '36-33=3'] Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,99 unequal: No Solution Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 99:[33, 59], Operations: ['92-56=36', '95-36=59'] Exploring Operation: 33+59=92, Resulting Numbers: [92] 92,99 unequal: No Solution Exploring Operation: 59-33=26, Resulting Numbers: [26] 26,99 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: 99:[33, 92, 39], Operations: ['95-56=39'] Exploring Operation: 92-39=53, Resulting Numbers: [33, 53] Generated Node #0,0,0: 99:[33, 53] Operation: 92-39=53 Exploring Operation: 39-33=6, Resulting Numbers: [92, 6] Generated Node #0,0,1: 99:[92, 6] Operation: 39-33=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[92, 6], Operations: ['95-56=39', '39-33=6'] Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,99 unequal: No Solution Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[33, 53], Operations: ['95-56=39', '92-39=53'] Exploring Operation: 33+53=86, Resulting Numbers: [86] 86,99 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 56, 75, 62, 93 ]
100
[ "56+75=131", "93-62=31", "131-31=100" ]
Current State: 100:[56, 75, 62, 93], Operations: [] Exploring Operation: 56+75=131, Resulting Numbers: [62, 93, 131] Generated Node #2: [62, 93, 131] from Operation: 56+75=131 Current State: 100:[62, 93, 131], Operations: ['56+75=131'] Exploring Operation: 93-62=31, Resulting Numbers: [131, 31] Generated Node #3: [131, 31] from Operation: 93-62=31 Current State: 100:[131, 31], Operations: ['56+75=131', '93-62=31'] Exploring Operation: 131-31=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[56, 75, 62, 93], Operations: [] Exploring Operation: 75-56=19, Resulting Numbers: [62, 93, 19] Generated Node #0,0: 100:[62, 93, 19] Operation: 75-56=19 Exploring Operation: 62-56=6, Resulting Numbers: [75, 93, 6] Generated Node #0,1: 100:[75, 93, 6] Operation: 62-56=6 Exploring Operation: 93-62=31, Resulting Numbers: [56, 75, 31] Generated Node #0,2: 100:[56, 75, 31] Operation: 93-62=31 Exploring Operation: 93-75=18, Resulting Numbers: [56, 62, 18] Generated Node #0,3: 100:[56, 62, 18] Operation: 93-75=18 Exploring Operation: 75-62=13, Resulting Numbers: [56, 93, 13] Generated Node #0,4: 100:[56, 93, 13] Operation: 75-62=13 Start Sub Search at level 1: Moving to Node #0,4 Current State: 100:[56, 93, 13], Operations: ['75-62=13'] Exploring Operation: 56+13=69, Resulting Numbers: [93, 69] Generated Node #0,4,0: 100:[93, 69] Operation: 56+13=69 Exploring Operation: 56-13=43, Resulting Numbers: [93, 43] Generated Node #0,4,1: 100:[93, 43] Operation: 56-13=43 Exploring Operation: 93-13=80, Resulting Numbers: [56, 80] Generated Node #0,4,2: 100:[56, 80] Operation: 93-13=80 Exploring Operation: 93-56=37, Resulting Numbers: [13, 37] Generated Node #0,4,3: 100:[13, 37] Operation: 93-56=37 Exploring Operation: 93+13=106, Resulting Numbers: [56, 106] Generated Node #0,4,4: 100:[56, 106] Operation: 93+13=106 Moving to Node #0,4,4 Current State: 100:[56, 106], Operations: ['75-62=13', '93+13=106'] Exploring Operation: 56*106=5936, Resulting Numbers: [5936] 5936,100 unequal: No Solution Exploring Operation: 106-56=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 56+106=162, Resulting Numbers: [162] 162,100 unequal: No Solution Moving to Node #0,4,1 Current State: 100:[93, 43], Operations: ['75-62=13', '56-13=43'] Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 93+43=136, Resulting Numbers: [136] 136,100 unequal: No Solution Exploring Operation: 93*43=3999, Resulting Numbers: [3999] 3999,100 unequal: No Solution Moving to Node #0,4,3 Current State: 100:[13, 37], Operations: ['75-62=13', '93-56=37'] Exploring Operation: 13*37=481, Resulting Numbers: [481] 481,100 unequal: No Solution Exploring Operation: 13+37=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,100 unequal: No Solution Moving to Node #0,4,0 Current State: 100:[93, 69], Operations: ['75-62=13', '56+13=69'] Exploring Operation: 93-69=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 93*69=6417, Resulting Numbers: [6417] 6417,100 unequal: No Solution Exploring Operation: 93+69=162, Resulting Numbers: [162] 162,100 unequal: No Solution Moving to Node #0,4,2 Current State: 100:[56, 80], Operations: ['75-62=13', '93-13=80'] Exploring Operation: 56*80=4480, Resulting Numbers: [4480] 4480,100 unequal: No Solution Exploring Operation: 56+80=136, Resulting Numbers: [136] 136,100 unequal: No Solution Exploring Operation: 80-56=24, Resulting Numbers: [24] 24,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[62, 93, 19], Operations: ['75-56=19'] Exploring Operation: 62+19=81, Resulting Numbers: [93, 81] Generated Node #0,0,0: 100:[93, 81] Operation: 62+19=81 Exploring Operation: 62-19=43, Resulting Numbers: [93, 43] Generated Node #0,0,1: 100:[93, 43] Operation: 62-19=43 Exploring Operation: 93-19=74, Resulting Numbers: [62, 74] Generated Node #0,0,2: 100:[62, 74] Operation: 93-19=74 Exploring Operation: 93+19=112, Resulting Numbers: [62, 112] Generated Node #0,0,3: 100:[62, 112] Operation: 93+19=112 Exploring Operation: 93-62=31, Resulting Numbers: [19, 31] Generated Node #0,0,4: 100:[19, 31] Operation: 93-62=31 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 100:[19, 31], Operations: ['75-56=19', '93-62=31'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 19+31=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 19*31=589, Resulting Numbers: [589] 589,100 unequal: No Solution No 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: 100:[93, 43], Operations: ['75-56=19', '62-19=43'] Exploring Operation: 93+43=136, Resulting Numbers: [136] 136,100 unequal: No Solution Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 93*43=3999, Resulting Numbers: [3999] 3999,100 unequal: No Solution No 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: 100:[62, 112], Operations: ['75-56=19', '93+19=112'] Exploring Operation: 112-62=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 62*112=6944, Resulting Numbers: [6944] 6944,100 unequal: No Solution Exploring Operation: 62+112=174, Resulting Numbers: [174] 174,100 unequal: No Solution No 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: 100:[93, 81], Operations: ['75-56=19', '62+19=81'] Exploring Operation: 93*81=7533, Resulting Numbers: [7533] 7533,100 unequal: No Solution Exploring Operation: 93-81=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 93+81=174, Resulting Numbers: [174] 174,100 unequal: No Solution No 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: 100:[62, 74], Operations: ['75-56=19', '93-19=74'] Exploring Operation: 62*74=4588, Resulting Numbers: [4588] 4588,100 unequal: No Solution Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 62+74=136, Resulting Numbers: [136] 136,100 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 Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[56, 62, 18], Operations: ['93-75=18'] Exploring Operation: 62+18=80, Resulting Numbers: [56, 80] Generated Node #0,3,0: 100:[56, 80] Operation: 62+18=80 Exploring Operation: 62-18=44, Resulting Numbers: [56, 44] Generated Node #0,3,1: 100:[56, 44] Operation: 62-18=44 Exploring Operation: 56+62=118, Resulting Numbers: [18, 118] Generated Node #0,3,2: 100:[18, 118] Operation: 56+62=118 Exploring Operation: 56-18=38, Resulting Numbers: [62, 38] Generated Node #0,3,3: 100:[62, 38] Operation: 56-18=38 Exploring Operation: 62-56=6, Resulting Numbers: [18, 6] Generated Node #0,3,4: 100:[18, 6] Operation: 62-56=6 Moving to Node #0,3,4 Current State: 100:[18, 6], Operations: ['93-75=18', '62-56=6'] Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,100 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,100 unequal: No Solution Moving to Node #0,3,1 Current State: 100:[56, 44], Operations: ['93-75=18', '62-18=44'] Exploring Operation: 56*44=2464, Resulting Numbers: [2464] 2464,100 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 56+44=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[56, 75, 62, 93], Operations: [] Exploring Operation: 93-75=18, Resulting Numbers: [56, 62, 18] Generated Node #0,3: 100:[56, 62, 18] Operation: 93-75=18 Moving to Node #0,3 Current State: 100:[56, 62, 18], Operations: ['93-75=18'] Exploring Operation: 62-18=44, Resulting Numbers: [56, 44] Generated Node #0,3,1: 100:[56, 44] Operation: 62-18=44 Moving to Node #0,3,1 Current State: 100:[56, 44], Operations: ['93-75=18', '62-18=44'] Exploring Operation: 56+44=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.947049
hs_5
sum_heuristic
[ 25, 2, 1, 43 ]
60
[ "25+1=26", "2*43=86", "86-26=60" ]
Current State: 60:[25, 2, 1, 43], Operations: [] Exploring Operation: 25+1=26, Resulting Numbers: [2, 43, 26] Generated Node #2: [2, 43, 26] from Operation: 25+1=26 Current State: 60:[2, 43, 26], Operations: ['25+1=26'] Exploring Operation: 2*43=86, Resulting Numbers: [26, 86] Generated Node #3: [26, 86] from Operation: 2*43=86 Current State: 60:[26, 86], Operations: ['25+1=26', '2*43=86'] Exploring Operation: 86-26=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[25, 2, 1, 43], Operations: [] Exploring Operation: 43-25=18, Resulting Numbers: [2, 1, 18] Generated Node #0,0: 60:[2, 1, 18] Operation: 43-25=18 Exploring Operation: 25+2=27, Resulting Numbers: [1, 43, 27] Generated Node #0,1: 60:[1, 43, 27] Operation: 25+2=27 Exploring Operation: 25+43=68, Resulting Numbers: [2, 1, 68] Generated Node #0,2: 60:[2, 1, 68] Operation: 25+43=68 Moving to Node #0,0 Current State: 60:[2, 1, 18], Operations: ['43-25=18'] Exploring Operation: 1+18=19, Resulting Numbers: [2, 19] Generated Node #0,0,0: 60:[2, 19] Operation: 1+18=19 Exploring Operation: 2+18=20, Resulting Numbers: [1, 20] Generated Node #0,0,1: 60:[1, 20] Operation: 2+18=20 Exploring Operation: 2+1=3, Resulting Numbers: [18, 3] Generated Node #0,0,2: 60:[18, 3] Operation: 2+1=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[2, 19], Operations: ['43-25=18', '1+18=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,60 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 60:[1, 20], Operations: ['43-25=18', '2+18=20'] Exploring Operation: 1*20=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 1+20=21, Resulting Numbers: [21] 21,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 60:[18, 3], Operations: ['43-25=18', '2+1=3'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,60 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: 60:[2, 1, 68], Operations: ['25+43=68'] Exploring Operation: 68-2=66, Resulting Numbers: [1, 66] Generated Node #0,2,0: 60:[1, 66] Operation: 68-2=66 Exploring Operation: 68/2=34, Resulting Numbers: [1, 34] Generated Node #0,2,1: 60:[1, 34] Operation: 68/2=34 Exploring Operation: 68-1=67, Resulting Numbers: [2, 67] Generated Node #0,2,2: 60:[2, 67] Operation: 68-1=67 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 60:[1, 34], Operations: ['25+43=68', '68/2=34'] Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,60 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 60:[1, 66], Operations: ['25+43=68', '68-2=66'] Exploring Operation: 1*66=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 66/1=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 60:[2, 67], Operations: ['25+43=68', '68-1=67'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,60 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,60 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 60:[1, 43, 27], Operations: ['25+2=27'] Exploring Operation: 43-1=42, Resulting Numbers: [27, 42] Generated Node #0,1,0: 60:[27, 42] Operation: 43-1=42 Exploring Operation: 43+27=70, Resulting Numbers: [1, 70] Generated Node #0,1,1: 60:[1, 70] Operation: 43+27=70 Exploring Operation: 43-27=16, Resulting Numbers: [1, 16] Generated Node #0,1,2: 60:[1, 16] Operation: 43-27=16 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 60:[1, 16], Operations: ['25+2=27', '43-27=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,60 unequal: No Solution Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 60:[1, 70], Operations: ['25+2=27', '43+27=70'] Exploring Operation: 70/1=70, Resulting Numbers: [70] 70,60 unequal: No Solution Exploring Operation: 1*70=70, Resulting Numbers: [70] 70,60 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 60:[27, 42], Operations: ['25+2=27', '43-1=42'] Exploring Operation: 27+42=69, Resulting Numbers: [69] 69,60 unequal: No Solution Exploring Operation: 27*42=1134, Resulting Numbers: [1134] 1134,60 unequal: No Solution Exploring Operation: 42-27=15, Resulting Numbers: [15] 15,60 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
[ 36, 55, 78, 1 ]
97
[ "55-36=19", "78*1=78", "19+78=97" ]
Current State: 97:[36, 55, 78, 1], Operations: [] Exploring Operation: 55-36=19, Resulting Numbers: [78, 1, 19] Generated Node #2: [78, 1, 19] from Operation: 55-36=19 Current State: 97:[78, 1, 19], Operations: ['55-36=19'] Exploring Operation: 78*1=78, Resulting Numbers: [19, 78] Generated Node #3: [19, 78] from Operation: 78*1=78 Current State: 97:[19, 78], Operations: ['55-36=19', '78*1=78'] Exploring Operation: 19+78=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[36, 55, 78, 1], Operations: [] Exploring Operation: 36+55=91, Resulting Numbers: [78, 1, 91] Generated Node #0,0: 97:[78, 1, 91] Operation: 36+55=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[78, 1, 91], Operations: ['36+55=91'] Exploring Operation: 78+1=79, Resulting Numbers: [91, 79] Generated Node #0,0,0: 97:[91, 79] Operation: 78+1=79 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[91, 79], Operations: ['36+55=91', '78+1=79'] Exploring Operation: 91+79=170, Resulting Numbers: [170] 170,97 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 No solution found.
0
hs_1
sum_heuristic
[ 45, 91, 83, 50 ]
79
[ "91-45=46", "83-50=33", "46+33=79" ]
Current State: 79:[45, 91, 83, 50], Operations: [] Exploring Operation: 91-45=46, Resulting Numbers: [83, 50, 46] Generated Node #2: [83, 50, 46] from Operation: 91-45=46 Current State: 79:[83, 50, 46], Operations: ['91-45=46'] Exploring Operation: 83-50=33, Resulting Numbers: [46, 33] Generated Node #3: [46, 33] from Operation: 83-50=33 Current State: 79:[46, 33], Operations: ['91-45=46', '83-50=33'] Exploring Operation: 46+33=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[45, 91, 83, 50], Operations: [] Exploring Operation: 91-45=46, Resulting Numbers: [83, 50, 46] Generated Node #0,0: 79:[83, 50, 46] Operation: 91-45=46 Exploring Operation: 45+50=95, Resulting Numbers: [91, 83, 95] Generated Node #0,1: 79:[91, 83, 95] Operation: 45+50=95 Exploring Operation: 91-50=41, Resulting Numbers: [45, 83, 41] Generated Node #0,2: 79:[45, 83, 41] Operation: 91-50=41 Moving to Node #0,1 Current State: 79:[91, 83, 95], Operations: ['45+50=95'] Exploring Operation: 95-83=12, Resulting Numbers: [91, 12] Generated Node #0,1,0: 79:[91, 12] Operation: 95-83=12 Exploring Operation: 95-91=4, Resulting Numbers: [83, 4] Generated Node #0,1,1: 79:[83, 4] Operation: 95-91=4 Exploring Operation: 91-83=8, Resulting Numbers: [95, 8] Generated Node #0,1,2: 79:[95, 8] Operation: 91-83=8 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[91, 12], Operations: ['45+50=95', '95-83=12'] Exploring Operation: 91+12=103, Resulting Numbers: [103] 103,79 unequal: No Solution Exploring Operation: 91*12=1092, Resulting Numbers: [1092] 1092,79 unequal: No Solution Exploring Operation: 91-12=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[45, 91, 83, 50], Operations: [] Exploring Operation: 45+50=95, Resulting Numbers: [91, 83, 95] Generated Node #0,1: 79:[91, 83, 95] Operation: 45+50=95 Moving to Node #0,1 Current State: 79:[91, 83, 95], Operations: ['45+50=95'] Exploring Operation: 95-83=12, Resulting Numbers: [91, 12] Generated Node #0,1,0: 79:[91, 12] Operation: 95-83=12 Moving to Node #0,1,0 Current State: 79:[91, 12], Operations: ['45+50=95', '95-83=12'] Exploring Operation: 91-12=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 7, 62, 6, 53 ]
96
[ "7+62=69", "69-53=16", "6*16=96" ]
Current State: 96:[7, 62, 6, 53], Operations: [] Exploring Operation: 7+62=69, Resulting Numbers: [6, 53, 69] Generated Node #2: [6, 53, 69] from Operation: 7+62=69 Current State: 96:[6, 53, 69], Operations: ['7+62=69'] Exploring Operation: 69-53=16, Resulting Numbers: [6, 16] Generated Node #3: [6, 16] from Operation: 69-53=16 Current State: 96:[6, 16], Operations: ['7+62=69', '69-53=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[7, 62, 6, 53], Operations: [] Exploring Operation: 62-53=9, Resulting Numbers: [7, 6, 9] Generated Node #0,0: 96:[7, 6, 9] Operation: 62-53=9 Moving to Node #0,0 Current State: 96:[7, 6, 9], Operations: ['62-53=9'] Exploring Operation: 7+9=16, Resulting Numbers: [6, 16] Generated Node #0,0,0: 96:[6, 16] Operation: 7+9=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[6, 16], Operations: ['62-53=9', '7+9=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[7, 62, 6, 53], Operations: [] Exploring Operation: 62-53=9, Resulting Numbers: [7, 6, 9] Generated Node #0,0: 96:[7, 6, 9] Operation: 62-53=9 Moving to Node #0,0 Current State: 96:[7, 6, 9], Operations: ['62-53=9'] Exploring Operation: 7+9=16, Resulting Numbers: [6, 16] Generated Node #0,0,0: 96:[6, 16] Operation: 7+9=16 Moving to Node #0,0,0 Current State: 96:[6, 16], Operations: ['62-53=9', '7+9=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 15, 11, 60, 23 ]
20
[ "15+11=26", "26-23=3", "60/3=20" ]
Current State: 20:[15, 11, 60, 23], Operations: [] Exploring Operation: 15+11=26, Resulting Numbers: [60, 23, 26] Generated Node #2: [60, 23, 26] from Operation: 15+11=26 Current State: 20:[60, 23, 26], Operations: ['15+11=26'] Exploring Operation: 26-23=3, Resulting Numbers: [60, 3] Generated Node #3: [60, 3] from Operation: 26-23=3 Current State: 20:[60, 3], Operations: ['15+11=26', '26-23=3'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[15, 11, 60, 23], Operations: [] Exploring Operation: 60-11=49, Resulting Numbers: [15, 23, 49] Generated Node #0,0: 20:[15, 23, 49] Operation: 60-11=49 Exploring Operation: 60-23=37, Resulting Numbers: [15, 11, 37] Generated Node #0,1: 20:[15, 11, 37] Operation: 60-23=37 Exploring Operation: 60/15=4, Resulting Numbers: [11, 23, 4] Generated Node #0,2: 20:[11, 23, 4] Operation: 60/15=4 Exploring Operation: 60-15=45, Resulting Numbers: [11, 23, 45] Generated Node #0,3: 20:[11, 23, 45] Operation: 60-15=45 Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[11, 23, 4], Operations: ['60/15=4'] Exploring Operation: 23-4=19, Resulting Numbers: [11, 19] Generated Node #0,2,0: 20:[11, 19] Operation: 23-4=19 Exploring Operation: 11+4=15, Resulting Numbers: [23, 15] Generated Node #0,2,1: 20:[23, 15] Operation: 11+4=15 Exploring Operation: 11-4=7, Resulting Numbers: [23, 7] Generated Node #0,2,2: 20:[23, 7] Operation: 11-4=7 Exploring Operation: 23-11=12, Resulting Numbers: [4, 12] Generated Node #0,2,3: 20:[4, 12] Operation: 23-11=12 Moving to Node #0,2,0 Current State: 20:[11, 19], Operations: ['60/15=4', '23-4=19'] Exploring Operation: 11+19=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 11*19=209, Resulting Numbers: [209] 209,20 unequal: No Solution Moving to Node #0,2,3 Current State: 20:[4, 12], Operations: ['60/15=4', '23-11=12'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[23, 7], Operations: ['60/15=4', '11-4=7'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,20 unequal: No Solution Moving to Node #0,2,1 Current State: 20:[23, 15], Operations: ['60/15=4', '11+4=15'] Exploring Operation: 23+15=38, Resulting Numbers: [38] 38,20 unequal: No Solution Exploring Operation: 23*15=345, Resulting Numbers: [345] 345,20 unequal: No Solution Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,20 unequal: No Solution No 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: 20:[15, 11, 37], Operations: ['60-23=37'] Exploring Operation: 15-11=4, Resulting Numbers: [37, 4] Generated Node #0,1,0: 20:[37, 4] Operation: 15-11=4 Exploring Operation: 37-15=22, Resulting Numbers: [11, 22] Generated Node #0,1,1: 20:[11, 22] Operation: 37-15=22 Exploring Operation: 15+11=26, Resulting Numbers: [37, 26] Generated Node #0,1,2: 20:[37, 26] Operation: 15+11=26 Exploring Operation: 37-11=26, Resulting Numbers: [15, 26] Generated Node #0,1,3: 20:[15, 26] Operation: 37-11=26 Moving to Node #0,1,1 Current State: 20:[11, 22], Operations: ['60-23=37', '37-15=22'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 11*22=242, Resulting Numbers: [242] 242,20 unequal: No Solution Moving to Node #0,1,3 Current State: 20:[15, 26], Operations: ['60-23=37', '37-11=26'] Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 15*26=390, Resulting Numbers: [390] 390,20 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[37, 4], Operations: ['60-23=37', '15-11=4'] Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 37*4=148, Resulting Numbers: [148] 148,20 unequal: No Solution Exploring Operation: 37+4=41, Resulting Numbers: [41] 41,20 unequal: No Solution Moving to Node #0,1,2 Current State: 20:[37, 26], Operations: ['60-23=37', '15+11=26'] Exploring Operation: 37*26=962, Resulting Numbers: [962] 962,20 unequal: No Solution Exploring Operation: 37+26=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,20 unequal: No Solution No 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: 20:[11, 23, 45], Operations: ['60-15=45'] Exploring Operation: 11+23=34, Resulting Numbers: [45, 34] Generated Node #0,3,0: 20:[45, 34] Operation: 11+23=34 Exploring Operation: 45-11=34, Resulting Numbers: [23, 34] Generated Node #0,3,1: 20:[23, 34] Operation: 45-11=34 Exploring Operation: 45-23=22, Resulting Numbers: [11, 22] Generated Node #0,3,2: 20:[11, 22] Operation: 45-23=22 Exploring Operation: 23-11=12, Resulting Numbers: [45, 12] Generated Node #0,3,3: 20:[45, 12] Operation: 23-11=12 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 20:[11, 22], Operations: ['60-15=45', '45-23=22'] Exploring Operation: 11*22=242, Resulting Numbers: [242] 242,20 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 20:[23, 34], Operations: ['60-15=45', '45-11=34'] Exploring Operation: 23+34=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 23*34=782, Resulting Numbers: [782] 782,20 unequal: No Solution Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 20:[45, 12], Operations: ['60-15=45', '23-11=12'] Exploring Operation: 45-12=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 45*12=540, Resulting Numbers: [540] 540,20 unequal: No Solution Exploring Operation: 45+12=57, Resulting Numbers: [57] 57,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 20:[45, 34], Operations: ['60-15=45', '11+23=34'] Exploring Operation: 45*34=1530, Resulting Numbers: [1530] 1530,20 unequal: No Solution Exploring Operation: 45-34=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 45+34=79, Resulting Numbers: [79] 79,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[15, 23, 49], Operations: ['60-11=49'] Exploring Operation: 23-15=8, Resulting Numbers: [49, 8] Generated Node #0,0,0: 20:[49, 8] Operation: 23-15=8 Exploring Operation: 49-15=34, Resulting Numbers: [23, 34] Generated Node #0,0,1: 20:[23, 34] Operation: 49-15=34 Exploring Operation: 49-23=26, Resulting Numbers: [15, 26] Generated Node #0,0,2: 20:[15, 26] Operation: 49-23=26 Exploring Operation: 15+23=38, Resulting Numbers: [49, 38] Generated Node #0,0,3: 20:[49, 38] Operation: 15+23=38 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 20:[15, 26], Operations: ['60-11=49', '49-23=26'] Exploring Operation: 15*26=390, Resulting Numbers: [390] 390,20 unequal: No Solution Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[23, 34], Operations: ['60-11=49', '49-15=34'] Exploring Operation: 23*34=782, Resulting Numbers: [782] 782,20 unequal: No Solution Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 23+34=57, Resulting Numbers: [57] 57,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[49, 8], Operations: ['60-11=49', '23-15=8'] Exploring Operation: 49*8=392, Resulting Numbers: [392] 392,20 unequal: No Solution Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 49+8=57, Resulting Numbers: [57] 57,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 20:[49, 38], Operations: ['60-11=49', '15+23=38'] Exploring Operation: 49+38=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 49*38=1862, Resulting Numbers: [1862] 1862,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 11, 58, 45, 76 ]
47
[ "45+76=121", "121/11=11", "58-11=47" ]
Current State: 47:[11, 58, 45, 76], Operations: [] Exploring Operation: 45+76=121, Resulting Numbers: [11, 58, 121] Generated Node #2: [11, 58, 121] from Operation: 45+76=121 Current State: 47:[11, 58, 121], Operations: ['45+76=121'] Exploring Operation: 121/11=11, Resulting Numbers: [58, 11] Generated Node #3: [58, 11] from Operation: 121/11=11 Current State: 47:[58, 11], Operations: ['45+76=121', '121/11=11'] Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[11, 58, 45, 76], Operations: [] Exploring Operation: 76-11=65, Resulting Numbers: [58, 45, 65] Generated Node #0,0: 47:[58, 45, 65] Operation: 76-11=65 Exploring Operation: 58-11=47, Resulting Numbers: [45, 76, 47] Generated Node #0,1: 47:[45, 76, 47] Operation: 58-11=47 Moving to Node #0,0 Current State: 47:[58, 45, 65], Operations: ['76-11=65'] Exploring Operation: 65-45=20, Resulting Numbers: [58, 20] Generated Node #0,0,0: 47:[58, 20] Operation: 65-45=20 Exploring Operation: 65-58=7, Resulting Numbers: [45, 7] Generated Node #0,0,1: 47:[45, 7] Operation: 65-58=7 Moving to Node #0,1 Current State: 47:[45, 76, 47], Operations: ['58-11=47'] Exploring Operation: 76-47=29, Resulting Numbers: [45, 29] Generated Node #0,1,0: 47:[45, 29] Operation: 76-47=29 Exploring Operation: 76-45=31, Resulting Numbers: [47, 31] Generated Node #0,1,1: 47:[47, 31] Operation: 76-45=31 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[47, 31], Operations: ['58-11=47', '76-45=31'] Exploring Operation: 47+31=78, Resulting Numbers: [78] 78,47 unequal: No Solution Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[45, 29], Operations: ['58-11=47', '76-47=29'] Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,47 unequal: No Solution Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,47 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: 47:[58, 20], Operations: ['76-11=65', '65-45=20'] Exploring Operation: 58-20=38, Resulting Numbers: [38] 38,47 unequal: No Solution Exploring Operation: 58+20=78, Resulting Numbers: [78] 78,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[45, 7], Operations: ['76-11=65', '65-58=7'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,47 unequal: No Solution Exploring Operation: 45+7=52, Resulting Numbers: [52] 52,47 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 40, 17, 55, 56 ]
58
[ "40+17=57", "56-55=1", "57+1=58" ]
Current State: 58:[40, 17, 55, 56], Operations: [] Exploring Operation: 40+17=57, Resulting Numbers: [55, 56, 57] Generated Node #2: [55, 56, 57] from Operation: 40+17=57 Current State: 58:[55, 56, 57], Operations: ['40+17=57'] Exploring Operation: 56-55=1, Resulting Numbers: [57, 1] Generated Node #3: [57, 1] from Operation: 56-55=1 Current State: 58:[57, 1], Operations: ['40+17=57', '56-55=1'] Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[40, 17, 55, 56], Operations: [] Exploring Operation: 40-17=23, Resulting Numbers: [55, 56, 23] Generated Node #0,0: 58:[55, 56, 23] Operation: 40-17=23 Exploring Operation: 56-17=39, Resulting Numbers: [40, 55, 39] Generated Node #0,1: 58:[40, 55, 39] Operation: 56-17=39 Exploring Operation: 55-17=38, Resulting Numbers: [40, 56, 38] Generated Node #0,2: 58:[40, 56, 38] Operation: 55-17=38 Exploring Operation: 40+17=57, Resulting Numbers: [55, 56, 57] Generated Node #0,3: 58:[55, 56, 57] Operation: 40+17=57 Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[55, 56, 57], Operations: ['40+17=57'] Exploring Operation: 55+56=111, Resulting Numbers: [57, 111] Generated Node #0,3,0: 58:[57, 111] Operation: 55+56=111 Exploring Operation: 57-55=2, Resulting Numbers: [56, 2] Generated Node #0,3,1: 58:[56, 2] Operation: 57-55=2 Exploring Operation: 57-56=1, Resulting Numbers: [55, 1] Generated Node #0,3,2: 58:[55, 1] Operation: 57-56=1 Exploring Operation: 56-55=1, Resulting Numbers: [57, 1] Generated Node #0,3,3: 58:[57, 1] Operation: 56-55=1 Moving to Node #0,3,1 Current State: 58:[56, 2], Operations: ['40+17=57', '57-55=2'] Exploring Operation: 56*2=112, Resulting Numbers: [112] 112,58 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[40, 17, 55, 56], Operations: [] Exploring Operation: 40+17=57, Resulting Numbers: [55, 56, 57] Generated Node #0,3: 58:[55, 56, 57] Operation: 40+17=57 Moving to Node #0,3 Current State: 58:[55, 56, 57], Operations: ['40+17=57'] Exploring Operation: 57-55=2, Resulting Numbers: [56, 2] Generated Node #0,3,1: 58:[56, 2] Operation: 57-55=2 Moving to Node #0,3,1 Current State: 58:[56, 2], Operations: ['40+17=57', '57-55=2'] Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 9, 2, 22, 88 ]
53
[ "9+88=97", "2*22=44", "97-44=53" ]
Current State: 53:[9, 2, 22, 88], Operations: [] Exploring Operation: 9+88=97, Resulting Numbers: [2, 22, 97] Generated Node #2: [2, 22, 97] from Operation: 9+88=97 Current State: 53:[2, 22, 97], Operations: ['9+88=97'] Exploring Operation: 2*22=44, Resulting Numbers: [97, 44] Generated Node #3: [97, 44] from Operation: 2*22=44 Current State: 53:[97, 44], Operations: ['9+88=97', '2*22=44'] Exploring Operation: 97-44=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[9, 2, 22, 88], Operations: [] Exploring Operation: 88/2=44, Resulting Numbers: [9, 22, 44] Generated Node #0,0: 53:[9, 22, 44] Operation: 88/2=44 Moving to Node #0,0 Current State: 53:[9, 22, 44], Operations: ['88/2=44'] Exploring Operation: 9+22=31, Resulting Numbers: [44, 31] Generated Node #0,0,0: 53:[44, 31] Operation: 9+22=31 Moving to Node #0,0,0 Current State: 53:[44, 31], Operations: ['88/2=44', '9+22=31'] Exploring Operation: 44+31=75, Resulting Numbers: [75] 75,53 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 5, 12, 68, 23 ]
98
[ "12-5=7", "68+23=91", "7+91=98" ]
Current State: 98:[5, 12, 68, 23], Operations: [] Exploring Operation: 12-5=7, Resulting Numbers: [68, 23, 7] Generated Node #2: [68, 23, 7] from Operation: 12-5=7 Current State: 98:[68, 23, 7], Operations: ['12-5=7'] Exploring Operation: 68+23=91, Resulting Numbers: [7, 91] Generated Node #3: [7, 91] from Operation: 68+23=91 Current State: 98:[7, 91], Operations: ['12-5=7', '68+23=91'] Exploring Operation: 7+91=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[5, 12, 68, 23], Operations: [] Exploring Operation: 68-23=45, Resulting Numbers: [5, 12, 45] Generated Node #0,0: 98:[5, 12, 45] Operation: 68-23=45 Exploring Operation: 68+23=91, Resulting Numbers: [5, 12, 91] Generated Node #0,1: 98:[5, 12, 91] Operation: 68+23=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[5, 12, 45], Operations: ['68-23=45'] Exploring Operation: 12-5=7, Resulting Numbers: [45, 7] Generated Node #0,0,0: 98:[45, 7] Operation: 12-5=7 Exploring Operation: 5+45=50, Resulting Numbers: [12, 50] Generated Node #0,0,1: 98:[12, 50] Operation: 5+45=50 Moving to Node #0,0,1 Current State: 98:[12, 50], Operations: ['68-23=45', '5+45=50'] Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,98 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[45, 7], Operations: ['68-23=45', '12-5=7'] Exploring Operation: 45+7=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[5, 12, 91], Operations: ['68+23=91'] Exploring Operation: 12-5=7, Resulting Numbers: [91, 7] Generated Node #0,1,0: 98:[91, 7] Operation: 12-5=7 Exploring Operation: 5+91=96, Resulting Numbers: [12, 96] Generated Node #0,1,1: 98:[12, 96] Operation: 5+91=96 Moving to Node #0,1,1 Current State: 98:[12, 96], Operations: ['68+23=91', '5+91=96'] Exploring Operation: 12+96=108, Resulting Numbers: [108] 108,98 unequal: No Solution Exploring Operation: 96/12=8, Resulting Numbers: [8] 8,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[91, 7], Operations: ['68+23=91', '12-5=7'] Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,98 unequal: No Solution Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[5, 12, 68, 23], Operations: [] Exploring Operation: 68+23=91, Resulting Numbers: [5, 12, 91] Generated Node #0,1: 98:[5, 12, 91] Operation: 68+23=91 Moving to Node #0,1 Current State: 98:[5, 12, 91], Operations: ['68+23=91'] Exploring Operation: 12-5=7, Resulting Numbers: [91, 7] Generated Node #0,1,0: 98:[91, 7] Operation: 12-5=7 Moving to Node #0,1,0 Current State: 98:[91, 7], Operations: ['68+23=91', '12-5=7'] Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 89, 99, 90, 94 ]
81
[ "94-89=5", "90/5=18", "99-18=81" ]
Current State: 81:[89, 99, 90, 94], Operations: [] Exploring Operation: 94-89=5, Resulting Numbers: [99, 90, 5] Generated Node #2: [99, 90, 5] from Operation: 94-89=5 Current State: 81:[99, 90, 5], Operations: ['94-89=5'] Exploring Operation: 90/5=18, Resulting Numbers: [99, 18] Generated Node #3: [99, 18] from Operation: 90/5=18 Current State: 81:[99, 18], Operations: ['94-89=5', '90/5=18'] Exploring Operation: 99-18=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[89, 99, 90, 94], Operations: [] Exploring Operation: 99-94=5, Resulting Numbers: [89, 90, 5] Generated Node #0,0: 81:[89, 90, 5] Operation: 99-94=5 Moving to Node #0,0 Current State: 81:[89, 90, 5], Operations: ['99-94=5'] Exploring Operation: 90-89=1, Resulting Numbers: [5, 1] Generated Node #0,0,0: 81:[5, 1] Operation: 90-89=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[5, 1], Operations: ['99-94=5', '90-89=1'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,81 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, 66, 32, 69 ]
26
[ "32*69=2208", "2208/24=92", "92-66=26" ]
Current State: 26:[24, 66, 32, 69], Operations: [] Exploring Operation: 32*69=2208, Resulting Numbers: [24, 66, 2208] Generated Node #2: [24, 66, 2208] from Operation: 32*69=2208 Current State: 26:[24, 66, 2208], Operations: ['32*69=2208'] Exploring Operation: 2208/24=92, Resulting Numbers: [66, 92] Generated Node #3: [66, 92] from Operation: 2208/24=92 Current State: 26:[66, 92], Operations: ['32*69=2208', '2208/24=92'] Exploring Operation: 92-66=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[24, 66, 32, 69], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [24, 32, 3] Generated Node #0,0: 26:[24, 32, 3] Operation: 69-66=3 Moving to Node #0,0 Current State: 26:[24, 32, 3], Operations: ['69-66=3'] Exploring Operation: 32-3=29, Resulting Numbers: [24, 29] Generated Node #0,0,0: 26:[24, 29] Operation: 32-3=29 Moving to Node #0,0,0 Current State: 26:[24, 29], Operations: ['69-66=3', '32-3=29'] Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,26 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 12, 96, 82, 90 ]
100
[ "12+96=108", "90-82=8", "108-8=100" ]
Current State: 100:[12, 96, 82, 90], Operations: [] Exploring Operation: 12+96=108, Resulting Numbers: [82, 90, 108] Generated Node #2: [82, 90, 108] from Operation: 12+96=108 Current State: 100:[82, 90, 108], Operations: ['12+96=108'] Exploring Operation: 90-82=8, Resulting Numbers: [108, 8] Generated Node #3: [108, 8] from Operation: 90-82=8 Current State: 100:[108, 8], Operations: ['12+96=108', '90-82=8'] Exploring Operation: 108-8=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[12, 96, 82, 90], Operations: [] Exploring Operation: 90-82=8, Resulting Numbers: [12, 96, 8] Generated Node #0,0: 100:[12, 96, 8] Operation: 90-82=8 Exploring Operation: 12+90=102, Resulting Numbers: [96, 82, 102] Generated Node #0,1: 100:[96, 82, 102] Operation: 12+90=102 Exploring Operation: 12+82=94, Resulting Numbers: [96, 90, 94] Generated Node #0,2: 100:[96, 90, 94] Operation: 12+82=94 Exploring Operation: 96-82=14, Resulting Numbers: [12, 90, 14] Generated Node #0,3: 100:[12, 90, 14] Operation: 96-82=14 Exploring Operation: 96-90=6, Resulting Numbers: [12, 82, 6] Generated Node #0,4: 100:[12, 82, 6] Operation: 96-90=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[12, 96, 8], Operations: ['90-82=8'] Exploring Operation: 96/12=8, Resulting Numbers: [8, 8] Generated Node #0,0,0: 100:[8, 8] Operation: 96/12=8 Exploring Operation: 12+8=20, Resulting Numbers: [96, 20] Generated Node #0,0,1: 100:[96, 20] Operation: 12+8=20 Exploring Operation: 96+8=104, Resulting Numbers: [12, 104] Generated Node #0,0,2: 100:[12, 104] Operation: 96+8=104 Exploring Operation: 12-8=4, Resulting Numbers: [96, 4] Generated Node #0,0,3: 100:[96, 4] Operation: 12-8=4 Exploring Operation: 96/8=12, Resulting Numbers: [12, 12] Generated Node #0,0,4: 100:[12, 12] Operation: 96/8=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[8, 8], Operations: ['90-82=8', '96/12=8'] Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,100 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,100 unequal: No Solution No 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: 100:[96, 20], Operations: ['90-82=8', '12+8=20'] Exploring Operation: 96*20=1920, Resulting Numbers: [1920] 1920,100 unequal: No Solution Exploring Operation: 96+20=116, Resulting Numbers: [116] 116,100 unequal: No Solution Exploring Operation: 96-20=76, Resulting Numbers: [76] 76,100 unequal: No Solution No 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: 100:[96, 4], Operations: ['90-82=8', '12-8=4'] Exploring Operation: 96+4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[12, 96, 82, 90], Operations: [] Exploring Operation: 90-82=8, Resulting Numbers: [12, 96, 8] Generated Node #0,0: 100:[12, 96, 8] Operation: 90-82=8 Moving to Node #0,0 Current State: 100:[12, 96, 8], Operations: ['90-82=8'] Exploring Operation: 12-8=4, Resulting Numbers: [96, 4] Generated Node #0,0,3: 100:[96, 4] Operation: 12-8=4 Moving to Node #0,0,3 Current State: 100:[96, 4], Operations: ['90-82=8', '12-8=4'] Exploring Operation: 96+4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 85, 22, 56, 31 ]
37
[ "22*56=1232", "1232-85=1147", "1147/31=37" ]
Current State: 37:[85, 22, 56, 31], Operations: [] Exploring Operation: 22*56=1232, Resulting Numbers: [85, 31, 1232] Generated Node #2: [85, 31, 1232] from Operation: 22*56=1232 Current State: 37:[85, 31, 1232], Operations: ['22*56=1232'] Exploring Operation: 1232-85=1147, Resulting Numbers: [31, 1147] Generated Node #3: [31, 1147] from Operation: 1232-85=1147 Current State: 37:[31, 1147], Operations: ['22*56=1232', '1232-85=1147'] Exploring Operation: 1147/31=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[85, 22, 56, 31], Operations: [] Exploring Operation: 85-22=63, Resulting Numbers: [56, 31, 63] Generated Node #0,0: 37:[56, 31, 63] Operation: 85-22=63 Exploring Operation: 85-56=29, Resulting Numbers: [22, 31, 29] Generated Node #0,1: 37:[22, 31, 29] Operation: 85-56=29 Exploring Operation: 85-31=54, Resulting Numbers: [22, 56, 54] Generated Node #0,2: 37:[22, 56, 54] Operation: 85-31=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[22, 31, 29], Operations: ['85-56=29'] Exploring Operation: 22+29=51, Resulting Numbers: [31, 51] Generated Node #0,1,0: 37:[31, 51] Operation: 22+29=51 Exploring Operation: 31-22=9, Resulting Numbers: [29, 9] Generated Node #0,1,1: 37:[29, 9] Operation: 31-22=9 Exploring Operation: 22+31=53, Resulting Numbers: [29, 53] Generated Node #0,1,2: 37:[29, 53] Operation: 22+31=53 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[31, 51], Operations: ['85-56=29', '22+29=51'] Exploring Operation: 31*51=1581, Resulting Numbers: [1581] 1581,37 unequal: No Solution Exploring Operation: 51-31=20, Resulting Numbers: [20] 20,37 unequal: No Solution Exploring Operation: 31+51=82, Resulting Numbers: [82] 82,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[29, 53], Operations: ['85-56=29', '22+31=53'] Exploring Operation: 29*53=1537, Resulting Numbers: [1537] 1537,37 unequal: No Solution Exploring Operation: 53-29=24, Resulting Numbers: [24] 24,37 unequal: No Solution Exploring Operation: 29+53=82, Resulting Numbers: [82] 82,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[29, 9], Operations: ['85-56=29', '31-22=9'] Exploring Operation: 29*9=261, Resulting Numbers: [261] 261,37 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,37 unequal: No Solution Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[56, 31, 63], Operations: ['85-22=63'] Exploring Operation: 56-31=25, Resulting Numbers: [63, 25] Generated Node #0,0,0: 37:[63, 25] Operation: 56-31=25 Exploring Operation: 63-31=32, Resulting Numbers: [56, 32] Generated Node #0,0,1: 37:[56, 32] Operation: 63-31=32 Exploring Operation: 63-56=7, Resulting Numbers: [31, 7] Generated Node #0,0,2: 37:[31, 7] Operation: 63-56=7 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 37:[56, 32], Operations: ['85-22=63', '63-31=32'] Exploring Operation: 56*32=1792, Resulting Numbers: [1792] 1792,37 unequal: No Solution Exploring Operation: 56+32=88, Resulting Numbers: [88] 88,37 unequal: No Solution Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 37:[31, 7], Operations: ['85-22=63', '63-56=7'] Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,37 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[63, 25], Operations: ['85-22=63', '56-31=25'] Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 63+25=88, Resulting Numbers: [88] 88,37 unequal: No Solution Exploring Operation: 63*25=1575, Resulting Numbers: [1575] 1575,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[22, 56, 54], Operations: ['85-31=54'] Exploring Operation: 56-54=2, Resulting Numbers: [22, 2] Generated Node #0,2,0: 37:[22, 2] Operation: 56-54=2 Exploring Operation: 56-22=34, Resulting Numbers: [54, 34] Generated Node #0,2,1: 37:[54, 34] Operation: 56-22=34 Exploring Operation: 54-22=32, Resulting Numbers: [56, 32] Generated Node #0,2,2: 37:[56, 32] Operation: 54-22=32 Moving to Node #0,2,1 Current State: 37:[54, 34], Operations: ['85-31=54', '56-22=34'] Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,37 unequal: No Solution Exploring Operation: 54+34=88, Resulting Numbers: [88] 88,37 unequal: No Solution Exploring Operation: 54*34=1836, Resulting Numbers: [1836] 1836,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[56, 32], Operations: ['85-31=54', '54-22=32'] Exploring Operation: 56*32=1792, Resulting Numbers: [1792] 1792,37 unequal: No Solution Exploring Operation: 56+32=88, Resulting Numbers: [88] 88,37 unequal: No Solution Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[22, 2], Operations: ['85-31=54', '56-54=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,37 unequal: No Solution Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 28, 24, 26, 11 ]
36
[ "28+11=39", "24*39=936", "936/26=36" ]
Current State: 36:[28, 24, 26, 11], Operations: [] Exploring Operation: 28+11=39, Resulting Numbers: [24, 26, 39] Generated Node #2: [24, 26, 39] from Operation: 28+11=39 Current State: 36:[24, 26, 39], Operations: ['28+11=39'] Exploring Operation: 24*39=936, Resulting Numbers: [26, 936] Generated Node #3: [26, 936] from Operation: 24*39=936 Current State: 36:[26, 936], Operations: ['28+11=39', '24*39=936'] Exploring Operation: 936/26=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[28, 24, 26, 11], Operations: [] Exploring Operation: 28-26=2, Resulting Numbers: [24, 11, 2] Generated Node #0,0: 36:[24, 11, 2] Operation: 28-26=2 Moving to Node #0,0 Current State: 36:[24, 11, 2], Operations: ['28-26=2'] Exploring Operation: 24+11=35, Resulting Numbers: [2, 35] Generated Node #0,0,0: 36:[2, 35] Operation: 24+11=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[2, 35], Operations: ['28-26=2', '24+11=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 45, 39, 25, 27 ]
82
[ "45+39=84", "27-25=2", "84-2=82" ]
Current State: 82:[45, 39, 25, 27], Operations: [] Exploring Operation: 45+39=84, Resulting Numbers: [25, 27, 84] Generated Node #2: [25, 27, 84] from Operation: 45+39=84 Current State: 82:[25, 27, 84], Operations: ['45+39=84'] Exploring Operation: 27-25=2, Resulting Numbers: [84, 2] Generated Node #3: [84, 2] from Operation: 27-25=2 Current State: 82:[84, 2], Operations: ['45+39=84', '27-25=2'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[45, 39, 25, 27], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [45, 39, 2] Generated Node #0,0: 82:[45, 39, 2] Operation: 27-25=2 Moving to Node #0,0 Current State: 82:[45, 39, 2], Operations: ['27-25=2'] Exploring Operation: 45+39=84, Resulting Numbers: [2, 84] Generated Node #0,0,0: 82:[2, 84] Operation: 45+39=84 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[2, 84], Operations: ['27-25=2', '45+39=84'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[45, 39, 25, 27], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [45, 39, 2] Generated Node #0,0: 82:[45, 39, 2] Operation: 27-25=2 Moving to Node #0,0 Current State: 82:[45, 39, 2], Operations: ['27-25=2'] Exploring Operation: 45+39=84, Resulting Numbers: [2, 84] Generated Node #0,0,0: 82:[2, 84] Operation: 45+39=84 Moving to Node #0,0,0 Current State: 82:[2, 84], Operations: ['27-25=2', '45+39=84'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 56, 9, 63, 59 ]
60
[ "59-56=3", "9/3=3", "63-3=60" ]
Current State: 60:[56, 9, 63, 59], Operations: [] Exploring Operation: 59-56=3, Resulting Numbers: [9, 63, 3] Generated Node #2: [9, 63, 3] from Operation: 59-56=3 Current State: 60:[9, 63, 3], Operations: ['59-56=3'] Exploring Operation: 9/3=3, Resulting Numbers: [63, 3] Generated Node #3: [63, 3] from Operation: 9/3=3 Current State: 60:[63, 3], Operations: ['59-56=3', '9/3=3'] Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[56, 9, 63, 59], Operations: [] Exploring Operation: 63-56=7, Resulting Numbers: [9, 59, 7] Generated Node #0,0: 60:[9, 59, 7] Operation: 63-56=7 Moving to Node #0,0 Current State: 60:[9, 59, 7], Operations: ['63-56=7'] Exploring Operation: 9-7=2, Resulting Numbers: [59, 2] Generated Node #0,0,0: 60:[59, 2] Operation: 9-7=2 Moving to Node #0,0,0 Current State: 60:[59, 2], Operations: ['63-56=7', '9-7=2'] Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,60 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 48, 51, 60, 9 ]
39
[ "48+60=108", "108/9=12", "51-12=39" ]
Current State: 39:[48, 51, 60, 9], Operations: [] Exploring Operation: 48+60=108, Resulting Numbers: [51, 9, 108] Generated Node #2: [51, 9, 108] from Operation: 48+60=108 Current State: 39:[51, 9, 108], Operations: ['48+60=108'] Exploring Operation: 108/9=12, Resulting Numbers: [51, 12] Generated Node #3: [51, 12] from Operation: 108/9=12 Current State: 39:[51, 12], Operations: ['48+60=108', '108/9=12'] Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[48, 51, 60, 9], Operations: [] Exploring Operation: 60-48=12, Resulting Numbers: [51, 9, 12] Generated Node #0,0: 39:[51, 9, 12] Operation: 60-48=12 Moving to Node #0,0 Current State: 39:[51, 9, 12], Operations: ['60-48=12'] Exploring Operation: 51-9=42, Resulting Numbers: [12, 42] Generated Node #0,0,0: 39:[12, 42] Operation: 51-9=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[12, 42], Operations: ['60-48=12', '51-9=42'] Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,39 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
[ 12, 8, 27, 64 ]
43
[ "12-8=4", "64/4=16", "27+16=43" ]
Current State: 43:[12, 8, 27, 64], Operations: [] Exploring Operation: 12-8=4, Resulting Numbers: [27, 64, 4] Generated Node #2: [27, 64, 4] from Operation: 12-8=4 Current State: 43:[27, 64, 4], Operations: ['12-8=4'] Exploring Operation: 64/4=16, Resulting Numbers: [27, 16] Generated Node #3: [27, 16] from Operation: 64/4=16 Current State: 43:[27, 16], Operations: ['12-8=4', '64/4=16'] Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[12, 8, 27, 64], Operations: [] Exploring Operation: 12+8=20, Resulting Numbers: [27, 64, 20] Generated Node #0,0: 43:[27, 64, 20] Operation: 12+8=20 Exploring Operation: 12+27=39, Resulting Numbers: [8, 64, 39] Generated Node #0,1: 43:[8, 64, 39] Operation: 12+27=39 Exploring Operation: 8+27=35, Resulting Numbers: [12, 64, 35] Generated Node #0,2: 43:[12, 64, 35] Operation: 8+27=35 Exploring Operation: 64-8=56, Resulting Numbers: [12, 27, 56] Generated Node #0,3: 43:[12, 27, 56] Operation: 64-8=56 Exploring Operation: 64-12=52, Resulting Numbers: [8, 27, 52] Generated Node #0,4: 43:[8, 27, 52] Operation: 64-12=52 Moving to Node #0,0 Current State: 43:[27, 64, 20], Operations: ['12+8=20'] Exploring Operation: 27+20=47, Resulting Numbers: [64, 47] Generated Node #0,0,0: 43:[64, 47] Operation: 27+20=47 Exploring Operation: 64-27=37, Resulting Numbers: [20, 37] Generated Node #0,0,1: 43:[20, 37] Operation: 64-27=37 Exploring Operation: 27-20=7, Resulting Numbers: [64, 7] Generated Node #0,0,2: 43:[64, 7] Operation: 27-20=7 Exploring Operation: 64-20=44, Resulting Numbers: [27, 44] Generated Node #0,0,3: 43:[27, 44] Operation: 64-20=44 Exploring Operation: 64+20=84, Resulting Numbers: [27, 84] Generated Node #0,0,4: 43:[27, 84] Operation: 64+20=84 Moving to Node #0,2 Current State: 43:[12, 64, 35], Operations: ['8+27=35'] Exploring Operation: 35-12=23, Resulting Numbers: [64, 23] Generated Node #0,2,0: 43:[64, 23] Operation: 35-12=23 Exploring Operation: 64-12=52, Resulting Numbers: [35, 52] Generated Node #0,2,1: 43:[35, 52] Operation: 64-12=52 Exploring Operation: 12+35=47, Resulting Numbers: [64, 47] Generated Node #0,2,2: 43:[64, 47] Operation: 12+35=47 Exploring Operation: 64-35=29, Resulting Numbers: [12, 29] Generated Node #0,2,3: 43:[12, 29] Operation: 64-35=29 Exploring Operation: 12+64=76, Resulting Numbers: [35, 76] Generated Node #0,2,4: 43:[35, 76] Operation: 12+64=76 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 43:[35, 52], Operations: ['8+27=35', '64-12=52'] Exploring Operation: 35*52=1820, Resulting Numbers: [1820] 1820,43 unequal: No Solution Exploring Operation: 35+52=87, Resulting Numbers: [87] 87,43 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,43 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:[64, 47], Operations: ['8+27=35', '12+35=47'] Exploring Operation: 64-47=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 64*47=3008, Resulting Numbers: [3008] 3008,43 unequal: No Solution Exploring Operation: 64+47=111, Resulting Numbers: [111] 111,43 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:[64, 23], Operations: ['8+27=35', '35-12=23'] Exploring Operation: 64-23=41, Resulting Numbers: [41] 41,43 unequal: No Solution Exploring Operation: 64*23=1472, Resulting Numbers: [1472] 1472,43 unequal: No Solution Exploring Operation: 64+23=87, Resulting Numbers: [87] 87,43 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 #0,2,4 Current State: 43:[35, 76], Operations: ['8+27=35', '12+64=76'] Exploring Operation: 35+76=111, Resulting Numbers: [111] 111,43 unequal: No Solution Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,43 unequal: No Solution Exploring Operation: 35*76=2660, Resulting Numbers: [2660] 2660,43 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:[12, 29], Operations: ['8+27=35', '64-35=29'] Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,43 unequal: No Solution Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,43 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,43 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: 43:[8, 27, 52], Operations: ['64-12=52'] Exploring Operation: 52-27=25, Resulting Numbers: [8, 25] Generated Node #0,4,0: 43:[8, 25] Operation: 52-27=25 Exploring Operation: 8+27=35, Resulting Numbers: [52, 35] Generated Node #0,4,1: 43:[52, 35] Operation: 8+27=35 Exploring Operation: 8+52=60, Resulting Numbers: [27, 60] Generated Node #0,4,2: 43:[27, 60] Operation: 8+52=60 Exploring Operation: 52-8=44, Resulting Numbers: [27, 44] Generated Node #0,4,3: 43:[27, 44] Operation: 52-8=44 Exploring Operation: 27-8=19, Resulting Numbers: [52, 19] Generated Node #0,4,4: 43:[52, 19] Operation: 27-8=19 Moving to Node #0,1 Current State: 43:[8, 64, 39], Operations: ['12+27=39'] Exploring Operation: 8+39=47, Resulting Numbers: [64, 47] Generated Node #0,1,0: 43:[64, 47] Operation: 8+39=47 Exploring Operation: 39-8=31, Resulting Numbers: [64, 31] Generated Node #0,1,1: 43:[64, 31] Operation: 39-8=31 Exploring Operation: 8+64=72, Resulting Numbers: [39, 72] Generated Node #0,1,2: 43:[39, 72] Operation: 8+64=72 Exploring Operation: 64-8=56, Resulting Numbers: [39, 56] Generated Node #0,1,3: 43:[39, 56] Operation: 64-8=56 Exploring Operation: 64/8=8, Resulting Numbers: [39, 8] Generated Node #0,1,4: 43:[39, 8] Operation: 64/8=8 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 43:[39, 56], Operations: ['12+27=39', '64-8=56'] Exploring Operation: 39*56=2184, Resulting Numbers: [2184] 2184,43 unequal: No Solution Exploring Operation: 39+56=95, Resulting Numbers: [95] 95,43 unequal: No Solution Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,43 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:[64, 47], Operations: ['12+27=39', '8+39=47'] Exploring Operation: 64+47=111, Resulting Numbers: [111] 111,43 unequal: No Solution Exploring Operation: 64*47=3008, Resulting Numbers: [3008] 3008,43 unequal: No Solution Exploring Operation: 64-47=17, Resulting Numbers: [17] 17,43 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:[64, 31], Operations: ['12+27=39', '39-8=31'] Exploring Operation: 64*31=1984, Resulting Numbers: [1984] 1984,43 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 64+31=95, Resulting Numbers: [95] 95,43 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:[39, 72], Operations: ['12+27=39', '8+64=72'] Exploring Operation: 39+72=111, Resulting Numbers: [111] 111,43 unequal: No Solution Exploring Operation: 72-39=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 39*72=2808, Resulting Numbers: [2808] 2808,43 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 #0,1,4 Current State: 43:[39, 8], Operations: ['12+27=39', '64/8=8'] Exploring Operation: 39*8=312, Resulting Numbers: [312] 312,43 unequal: No Solution Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,43 unequal: No Solution Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,43 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: 43:[12, 27, 56], Operations: ['64-8=56'] Exploring Operation: 12+27=39, Resulting Numbers: [56, 39] Generated Node #0,3,0: 43:[56, 39] Operation: 12+27=39 Exploring Operation: 27-12=15, Resulting Numbers: [56, 15] Generated Node #0,3,1: 43:[56, 15] Operation: 27-12=15 Exploring Operation: 56-27=29, Resulting Numbers: [12, 29] Generated Node #0,3,2: 43:[12, 29] Operation: 56-27=29 Exploring Operation: 12+56=68, Resulting Numbers: [27, 68] Generated Node #0,3,3: 43:[27, 68] Operation: 12+56=68 Exploring Operation: 56-12=44, Resulting Numbers: [27, 44] Generated Node #0,3,4: 43:[27, 44] Operation: 56-12=44 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 43:[56, 39], Operations: ['64-8=56', '12+27=39'] Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 56+39=95, Resulting Numbers: [95] 95,43 unequal: No Solution Exploring Operation: 56*39=2184, Resulting Numbers: [2184] 2184,43 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 #0,3,4 Current State: 43:[27, 44], Operations: ['64-8=56', '56-12=44'] Exploring Operation: 27*44=1188, Resulting Numbers: [1188] 1188,43 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,43 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 #0,3,1 Current State: 43:[56, 15], Operations: ['64-8=56', '27-12=15'] Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,43 unequal: No Solution Exploring Operation: 56+15=71, Resulting Numbers: [71] 71,43 unequal: No Solution Exploring Operation: 56*15=840, Resulting Numbers: [840] 840,43 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 #0,3,3 Current State: 43:[27, 68], Operations: ['64-8=56', '12+56=68'] Exploring Operation: 27+68=95, Resulting Numbers: [95] 95,43 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,43 unequal: No Solution Exploring Operation: 27*68=1836, Resulting Numbers: [1836] 1836,43 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 #0,3,2 Current State: 43:[12, 29], Operations: ['64-8=56', '56-27=29'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,43 unequal: No Solution Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 43:[27, 44], Operations: ['12+8=20', '64-20=44'] Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,43 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 27*44=1188, Resulting Numbers: [1188] 1188,43 unequal: No Solution Moving to Node #0,4,1 Current State: 43:[52, 35], Operations: ['64-12=52', '8+27=35'] Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 52*35=1820, Resulting Numbers: [1820] 1820,43 unequal: No Solution Exploring Operation: 52+35=87, Resulting Numbers: [87] 87,43 unequal: No Solution Moving to Node #0,4,3 Current State: 43:[27, 44], Operations: ['64-12=52', '52-8=44'] Exploring Operation: 27*44=1188, Resulting Numbers: [1188] 1188,43 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 27+44=71, Resulting Numbers: [71] 71,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[64, 47], Operations: ['12+8=20', '27+20=47'] Exploring Operation: 64-47=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 64+47=111, Resulting Numbers: [111] 111,43 unequal: No Solution Exploring Operation: 64*47=3008, Resulting Numbers: [3008] 3008,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[20, 37], Operations: ['12+8=20', '64-27=37'] Exploring Operation: 20*37=740, Resulting Numbers: [740] 740,43 unequal: No Solution Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 20+37=57, Resulting Numbers: [57] 57,43 unequal: No Solution Moving to Node #0,4,4 Current State: 43:[52, 19], Operations: ['64-12=52', '27-8=19'] Exploring Operation: 52*19=988, Resulting Numbers: [988] 988,43 unequal: No Solution Exploring Operation: 52+19=71, Resulting Numbers: [71] 71,43 unequal: No Solution Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,43 unequal: No Solution Moving to Node #0,4,2 Current State: 43:[27, 60], Operations: ['64-12=52', '8+52=60'] Exploring Operation: 27*60=1620, Resulting Numbers: [1620] 1620,43 unequal: No Solution Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 27+60=87, Resulting Numbers: [87] 87,43 unequal: No Solution Moving to Node #0,4,0 Current State: 43:[8, 25], Operations: ['64-12=52', '52-27=25'] Exploring Operation: 8*25=200, Resulting Numbers: [200] 200,43 unequal: No Solution Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[64, 7], Operations: ['12+8=20', '27-20=7'] Exploring Operation: 64+7=71, Resulting Numbers: [71] 71,43 unequal: No Solution Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,43 unequal: No Solution Exploring Operation: 64*7=448, Resulting Numbers: [448] 448,43 unequal: No Solution Moving to Node #0,0,4 Current State: 43:[27, 84], Operations: ['12+8=20', '64+20=84'] Exploring Operation: 27+84=111, Resulting Numbers: [111] 111,43 unequal: No Solution Exploring Operation: 27*84=2268, Resulting Numbers: [2268] 2268,43 unequal: No Solution Exploring Operation: 84-27=57, Resulting Numbers: [57] 57,43 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 30, 7, 73, 37 ]
42
[ "73-30=43", "43-37=6", "7*6=42" ]
Current State: 42:[30, 7, 73, 37], Operations: [] Exploring Operation: 73-30=43, Resulting Numbers: [7, 37, 43] Generated Node #2: [7, 37, 43] from Operation: 73-30=43 Current State: 42:[7, 37, 43], Operations: ['73-30=43'] Exploring Operation: 43-37=6, Resulting Numbers: [7, 6] Generated Node #3: [7, 6] from Operation: 43-37=6 Current State: 42:[7, 6], Operations: ['73-30=43', '43-37=6'] Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[30, 7, 73, 37], Operations: [] Exploring Operation: 30-7=23, Resulting Numbers: [73, 37, 23] Generated Node #0,0: 42:[73, 37, 23] Operation: 30-7=23 Exploring Operation: 73-30=43, Resulting Numbers: [7, 37, 43] Generated Node #0,1: 42:[7, 37, 43] Operation: 73-30=43 Exploring Operation: 37-30=7, Resulting Numbers: [7, 73, 7] Generated Node #0,2: 42:[7, 73, 7] Operation: 37-30=7 Exploring Operation: 73-37=36, Resulting Numbers: [30, 7, 36] Generated Node #0,3: 42:[30, 7, 36] Operation: 73-37=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[7, 37, 43], Operations: ['73-30=43'] Exploring Operation: 43-37=6, Resulting Numbers: [7, 6] Generated Node #0,1,0: 42:[7, 6] Operation: 43-37=6 Exploring Operation: 7+37=44, Resulting Numbers: [43, 44] Generated Node #0,1,1: 42:[43, 44] Operation: 7+37=44 Exploring Operation: 43-7=36, Resulting Numbers: [37, 36] Generated Node #0,1,2: 42:[37, 36] Operation: 43-7=36 Exploring Operation: 37-7=30, Resulting Numbers: [43, 30] Generated Node #0,1,3: 42:[43, 30] Operation: 37-7=30 Moving to Node #0,1,0 Current State: 42:[7, 6], Operations: ['73-30=43', '43-37=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,42 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[30, 7, 73, 37], Operations: [] Exploring Operation: 73-30=43, Resulting Numbers: [7, 37, 43] Generated Node #0,1: 42:[7, 37, 43] Operation: 73-30=43 Moving to Node #0,1 Current State: 42:[7, 37, 43], Operations: ['73-30=43'] Exploring Operation: 43-37=6, Resulting Numbers: [7, 6] Generated Node #0,1,0: 42:[7, 6] Operation: 43-37=6 Moving to Node #0,1,0 Current State: 42:[7, 6], Operations: ['73-30=43', '43-37=6'] Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 36, 74, 66, 78 ]
26
[ "74-36=38", "78-66=12", "38-12=26" ]
Current State: 26:[36, 74, 66, 78], Operations: [] Exploring Operation: 74-36=38, Resulting Numbers: [66, 78, 38] Generated Node #2: [66, 78, 38] from Operation: 74-36=38 Current State: 26:[66, 78, 38], Operations: ['74-36=38'] Exploring Operation: 78-66=12, Resulting Numbers: [38, 12] Generated Node #3: [38, 12] from Operation: 78-66=12 Current State: 26:[38, 12], Operations: ['74-36=38', '78-66=12'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[36, 74, 66, 78], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [36, 66, 4] Generated Node #0,0: 26:[36, 66, 4] Operation: 78-74=4 Exploring Operation: 78-66=12, Resulting Numbers: [36, 74, 12] Generated Node #0,1: 26:[36, 74, 12] Operation: 78-66=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[36, 66, 4], Operations: ['78-74=4'] Exploring Operation: 36/4=9, Resulting Numbers: [66, 9] Generated Node #0,0,0: 26:[66, 9] Operation: 36/4=9 Exploring Operation: 66-36=30, Resulting Numbers: [4, 30] Generated Node #0,0,1: 26:[4, 30] Operation: 66-36=30 Moving to Node #0,0,1 Current State: 26:[4, 30], Operations: ['78-74=4', '66-36=30'] Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,26 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[36, 74, 66, 78], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [36, 66, 4] Generated Node #0,0: 26:[36, 66, 4] Operation: 78-74=4 Moving to Node #0,0 Current State: 26:[36, 66, 4], Operations: ['78-74=4'] Exploring Operation: 66-36=30, Resulting Numbers: [4, 30] Generated Node #0,0,1: 26:[4, 30] Operation: 66-36=30 Moving to Node #0,0,1 Current State: 26:[4, 30], Operations: ['78-74=4', '66-36=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 3, 85, 78, 83 ]
51
[ "3*85=255", "83-78=5", "255/5=51" ]
Current State: 51:[3, 85, 78, 83], Operations: [] Exploring Operation: 3*85=255, Resulting Numbers: [78, 83, 255] Generated Node #2: [78, 83, 255] from Operation: 3*85=255 Current State: 51:[78, 83, 255], Operations: ['3*85=255'] Exploring Operation: 83-78=5, Resulting Numbers: [255, 5] Generated Node #3: [255, 5] from Operation: 83-78=5 Current State: 51:[255, 5], Operations: ['3*85=255', '83-78=5'] Exploring Operation: 255/5=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[3, 85, 78, 83], Operations: [] Exploring Operation: 85-78=7, Resulting Numbers: [3, 83, 7] Generated Node #0,0: 51:[3, 83, 7] Operation: 85-78=7 Exploring Operation: 85-83=2, Resulting Numbers: [3, 78, 2] Generated Node #0,1: 51:[3, 78, 2] Operation: 85-83=2 Exploring Operation: 85-3=82, Resulting Numbers: [78, 83, 82] Generated Node #0,2: 51:[78, 83, 82] Operation: 85-3=82 Exploring Operation: 78/3=26, Resulting Numbers: [85, 83, 26] Generated Node #0,3: 51:[85, 83, 26] Operation: 78/3=26 Exploring Operation: 83-78=5, Resulting Numbers: [3, 85, 5] Generated Node #0,4: 51:[3, 85, 5] Operation: 83-78=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[3, 78, 2], Operations: ['85-83=2'] Exploring Operation: 78/2=39, Resulting Numbers: [3, 39] Generated Node #0,1,0: 51:[3, 39] Operation: 78/2=39 Exploring Operation: 78/3=26, Resulting Numbers: [2, 26] Generated Node #0,1,1: 51:[2, 26] Operation: 78/3=26 Exploring Operation: 3+2=5, Resulting Numbers: [78, 5] Generated Node #0,1,2: 51:[78, 5] Operation: 3+2=5 Exploring Operation: 78-3=75, Resulting Numbers: [2, 75] Generated Node #0,1,3: 51:[2, 75] Operation: 78-3=75 Exploring Operation: 78-2=76, Resulting Numbers: [3, 76] Generated Node #0,1,4: 51:[3, 76] Operation: 78-2=76 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 51:[2, 26], Operations: ['85-83=2', '78/3=26'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,51 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,51 unequal: No Solution No 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: 51:[3, 39], Operations: ['85-83=2', '78/2=39'] Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,51 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,51 unequal: No Solution Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,51 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,51 unequal: No Solution No 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: 51:[2, 75], Operations: ['85-83=2', '78-3=75'] Exploring Operation: 2+75=77, Resulting Numbers: [77] 77,51 unequal: No Solution Exploring Operation: 2*75=150, Resulting Numbers: [150] 150,51 unequal: No Solution Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,51 unequal: No Solution No 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: 51:[3, 76], Operations: ['85-83=2', '78-2=76'] Exploring Operation: 3+76=79, Resulting Numbers: [79] 79,51 unequal: No Solution Exploring Operation: 3*76=228, Resulting Numbers: [228] 228,51 unequal: No Solution Exploring Operation: 76-3=73, Resulting Numbers: [73] 73,51 unequal: No Solution No 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: 51:[78, 5], Operations: ['85-83=2', '3+2=5'] Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,51 unequal: No Solution Exploring Operation: 78*5=390, Resulting Numbers: [390] 390,51 unequal: No Solution Exploring Operation: 78+5=83, Resulting Numbers: [83] 83,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[3, 83, 7], Operations: ['85-78=7'] Exploring Operation: 83-3=80, Resulting Numbers: [7, 80] Generated Node #0,0,0: 51:[7, 80] Operation: 83-3=80 Exploring Operation: 7-3=4, Resulting Numbers: [83, 4] Generated Node #0,0,1: 51:[83, 4] Operation: 7-3=4 Exploring Operation: 3*7=21, Resulting Numbers: [83, 21] Generated Node #0,0,2: 51:[83, 21] Operation: 3*7=21 Exploring Operation: 3+83=86, Resulting Numbers: [7, 86] Generated Node #0,0,3: 51:[7, 86] Operation: 3+83=86 Exploring Operation: 83-7=76, Resulting Numbers: [3, 76] Generated Node #0,0,4: 51:[3, 76] Operation: 83-7=76 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 51:[3, 76], Operations: ['85-78=7', '83-7=76'] Exploring Operation: 3+76=79, Resulting Numbers: [79] 79,51 unequal: No Solution Exploring Operation: 3*76=228, Resulting Numbers: [228] 228,51 unequal: No Solution Exploring Operation: 76-3=73, Resulting Numbers: [73] 73,51 unequal: No Solution No 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: 51:[7, 80], Operations: ['85-78=7', '83-3=80'] Exploring Operation: 7+80=87, Resulting Numbers: [87] 87,51 unequal: No Solution Exploring Operation: 80-7=73, Resulting Numbers: [73] 73,51 unequal: No Solution Exploring Operation: 7*80=560, Resulting Numbers: [560] 560,51 unequal: No Solution No 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: 51:[83, 4], Operations: ['85-78=7', '7-3=4'] Exploring Operation: 83*4=332, Resulting Numbers: [332] 332,51 unequal: No Solution Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,51 unequal: No Solution Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,51 unequal: No Solution No 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: 51:[83, 21], Operations: ['85-78=7', '3*7=21'] Exploring Operation: 83*21=1743, Resulting Numbers: [1743] 1743,51 unequal: No Solution Exploring Operation: 83+21=104, Resulting Numbers: [104] 104,51 unequal: No Solution Exploring Operation: 83-21=62, Resulting Numbers: [62] 62,51 unequal: No Solution No 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: 51:[7, 86], Operations: ['85-78=7', '3+83=86'] Exploring Operation: 7*86=602, Resulting Numbers: [602] 602,51 unequal: No Solution Exploring Operation: 86-7=79, Resulting Numbers: [79] 79,51 unequal: No Solution Exploring Operation: 7+86=93, Resulting Numbers: [93] 93,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 51:[3, 85, 5], Operations: ['83-78=5'] Exploring Operation: 85-5=80, Resulting Numbers: [3, 80] Generated Node #0,4,0: 51:[3, 80] Operation: 85-5=80 Exploring Operation: 3*5=15, Resulting Numbers: [85, 15] Generated Node #0,4,1: 51:[85, 15] Operation: 3*5=15 Exploring Operation: 85/5=17, Resulting Numbers: [3, 17] Generated Node #0,4,2: 51:[3, 17] Operation: 85/5=17 Exploring Operation: 5-3=2, Resulting Numbers: [85, 2] Generated Node #0,4,3: 51:[85, 2] Operation: 5-3=2 Exploring Operation: 85-3=82, Resulting Numbers: [5, 82] Generated Node #0,4,4: 51:[5, 82] Operation: 85-3=82 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 51:[3, 17], Operations: ['83-78=5', '85/5=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[3, 85, 78, 83], Operations: [] Exploring Operation: 83-78=5, Resulting Numbers: [3, 85, 5] Generated Node #0,4: 51:[3, 85, 5] Operation: 83-78=5 Moving to Node #0,4 Current State: 51:[3, 85, 5], Operations: ['83-78=5'] Exploring Operation: 85/5=17, Resulting Numbers: [3, 17] Generated Node #0,4,2: 51:[3, 17] Operation: 85/5=17 Moving to Node #0,4,2 Current State: 51:[3, 17], Operations: ['83-78=5', '85/5=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.948785
hs_5
mult_heuristic
[ 2, 75, 49, 77 ]
50
[ "2+75=77", "77/77=1", "49+1=50" ]
Current State: 50:[2, 75, 49, 77], Operations: [] Exploring Operation: 2+75=77, Resulting Numbers: [49, 77, 77] Generated Node #2: [49, 77, 77] from Operation: 2+75=77 Current State: 50:[49, 77, 77], Operations: ['2+75=77'] Exploring Operation: 77/77=1, Resulting Numbers: [49, 1] Generated Node #3: [49, 1] from Operation: 77/77=1 Current State: 50:[49, 1], Operations: ['2+75=77', '77/77=1'] Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[2, 75, 49, 77], Operations: [] Exploring Operation: 77-49=28, Resulting Numbers: [2, 75, 28] Generated Node #0,0: 50:[2, 75, 28] Operation: 77-49=28 Exploring Operation: 75-49=26, Resulting Numbers: [2, 77, 26] Generated Node #0,1: 50:[2, 77, 26] Operation: 75-49=26 Exploring Operation: 77-75=2, Resulting Numbers: [2, 49, 2] Generated Node #0,2: 50:[2, 49, 2] Operation: 77-75=2 Moving to Node #0,2 Current State: 50:[2, 49, 2], Operations: ['77-75=2'] Exploring Operation: 2+2=4, Resulting Numbers: [49, 4] Generated Node #0,2,0: 50:[49, 4] Operation: 2+2=4 Exploring Operation: 49+2=51, Resulting Numbers: [2, 51] Generated Node #0,2,1: 50:[2, 51] Operation: 49+2=51 Exploring Operation: 2+49=51, Resulting Numbers: [2, 51] Generated Node #0,2,2: 50:[2, 51] Operation: 2+49=51 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 50:[2, 51], Operations: ['77-75=2', '49+2=51'] Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,50 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,50 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 #0,2,2 Current State: 50:[2, 51], Operations: ['77-75=2', '2+49=51'] Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,50 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 #0,2,0 Current State: 50:[49, 4], Operations: ['77-75=2', '2+2=4'] Exploring Operation: 49*4=196, Resulting Numbers: [196] 196,50 unequal: No Solution Exploring Operation: 49+4=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,50 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: 50:[2, 75, 28], Operations: ['77-49=28'] Exploring Operation: 75-28=47, Resulting Numbers: [2, 47] Generated Node #0,0,0: 50:[2, 47] Operation: 75-28=47 Exploring Operation: 28-2=26, Resulting Numbers: [75, 26] Generated Node #0,0,1: 50:[75, 26] Operation: 28-2=26 Exploring Operation: 75-2=73, Resulting Numbers: [28, 73] Generated Node #0,0,2: 50:[28, 73] Operation: 75-2=73 Moving to Node #0,1 Current State: 50:[2, 77, 26], Operations: ['75-49=26'] Exploring Operation: 77-26=51, Resulting Numbers: [2, 51] Generated Node #0,1,0: 50:[2, 51] Operation: 77-26=51 Exploring Operation: 26-2=24, Resulting Numbers: [77, 24] Generated Node #0,1,1: 50:[77, 24] Operation: 26-2=24 Exploring Operation: 77-2=75, Resulting Numbers: [26, 75] Generated Node #0,1,2: 50:[26, 75] Operation: 77-2=75 Moving to Node #0,1,0 Current State: 50:[2, 51], Operations: ['75-49=26', '77-26=51'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[2, 47], Operations: ['77-49=28', '75-28=47'] Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,50 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,50 unequal: No Solution Moving to Node #0,0,2 Current State: 50:[28, 73], Operations: ['77-49=28', '75-2=73'] Exploring Operation: 28+73=101, Resulting Numbers: [101] 101,50 unequal: No Solution Exploring Operation: 73-28=45, Resulting Numbers: [45] 45,50 unequal: No Solution Exploring Operation: 28*73=2044, Resulting Numbers: [2044] 2044,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[26, 75], Operations: ['75-49=26', '77-2=75'] Exploring Operation: 26*75=1950, Resulting Numbers: [1950] 1950,50 unequal: No Solution Exploring Operation: 26+75=101, Resulting Numbers: [101] 101,50 unequal: No Solution Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[75, 26], Operations: ['77-49=28', '28-2=26'] Exploring Operation: 75*26=1950, Resulting Numbers: [1950] 1950,50 unequal: No Solution Exploring Operation: 75+26=101, Resulting Numbers: [101] 101,50 unequal: No Solution Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[77, 24], Operations: ['75-49=26', '26-2=24'] Exploring Operation: 77+24=101, Resulting Numbers: [101] 101,50 unequal: No Solution Exploring Operation: 77-24=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 77*24=1848, Resulting Numbers: [1848] 1848,50 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 48, 27, 90, 39 ]
82
[ "90*39=3510", "3510/27=130", "130-48=82" ]
Current State: 82:[48, 27, 90, 39], Operations: [] Exploring Operation: 90*39=3510, Resulting Numbers: [48, 27, 3510] Generated Node #2: [48, 27, 3510] from Operation: 90*39=3510 Current State: 82:[48, 27, 3510], Operations: ['90*39=3510'] Exploring Operation: 3510/27=130, Resulting Numbers: [48, 130] Generated Node #3: [48, 130] from Operation: 3510/27=130 Current State: 82:[48, 130], Operations: ['90*39=3510', '3510/27=130'] Exploring Operation: 130-48=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[48, 27, 90, 39], Operations: [] Exploring Operation: 48+27=75, Resulting Numbers: [90, 39, 75] Generated Node #0,0: 82:[90, 39, 75] Operation: 48+27=75 Exploring Operation: 90-48=42, Resulting Numbers: [27, 39, 42] Generated Node #0,1: 82:[27, 39, 42] Operation: 90-48=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[90, 39, 75], Operations: ['48+27=75'] Exploring Operation: 90-75=15, Resulting Numbers: [39, 15] Generated Node #0,0,0: 82:[39, 15] Operation: 90-75=15 Exploring Operation: 75-39=36, Resulting Numbers: [90, 36] Generated Node #0,0,1: 82:[90, 36] Operation: 75-39=36 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[90, 36], Operations: ['48+27=75', '75-39=36'] Exploring Operation: 90+36=126, Resulting Numbers: [126] 126,82 unequal: No Solution Exploring Operation: 90-36=54, Resulting Numbers: [54] 54,82 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 #0,0,0 Current State: 82:[39, 15], Operations: ['48+27=75', '90-75=15'] Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,82 unequal: No Solution Exploring Operation: 39+15=54, Resulting Numbers: [54] 54,82 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:[27, 39, 42], Operations: ['90-48=42'] Exploring Operation: 39-27=12, Resulting Numbers: [42, 12] Generated Node #0,1,0: 82:[42, 12] Operation: 39-27=12 Exploring Operation: 27+42=69, Resulting Numbers: [39, 69] Generated Node #0,1,1: 82:[39, 69] Operation: 27+42=69 Moving to Node #0,1,0 Current State: 82:[42, 12], Operations: ['90-48=42', '39-27=12'] Exploring Operation: 42+12=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[39, 69], Operations: ['90-48=42', '27+42=69'] Exploring Operation: 39+69=108, Resulting Numbers: [108] 108,82 unequal: No Solution Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,82 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
[ 84, 17, 73, 27 ]
33
[ "84-17=67", "73+27=100", "100-67=33" ]
Current State: 33:[84, 17, 73, 27], Operations: [] Exploring Operation: 84-17=67, Resulting Numbers: [73, 27, 67] Generated Node #2: [73, 27, 67] from Operation: 84-17=67 Current State: 33:[73, 27, 67], Operations: ['84-17=67'] Exploring Operation: 73+27=100, Resulting Numbers: [67, 100] Generated Node #3: [67, 100] from Operation: 73+27=100 Current State: 33:[67, 100], Operations: ['84-17=67', '73+27=100'] Exploring Operation: 100-67=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[84, 17, 73, 27], Operations: [] Exploring Operation: 73-27=46, Resulting Numbers: [84, 17, 46] Generated Node #0,0: 33:[84, 17, 46] Operation: 73-27=46 Exploring Operation: 84-27=57, Resulting Numbers: [17, 73, 57] Generated Node #0,1: 33:[17, 73, 57] Operation: 84-27=57 Exploring Operation: 84-73=11, Resulting Numbers: [17, 27, 11] Generated Node #0,2: 33:[17, 27, 11] Operation: 84-73=11 Moving to Node #0,2 Current State: 33:[17, 27, 11], Operations: ['84-73=11'] Exploring Operation: 17-11=6, Resulting Numbers: [27, 6] Generated Node #0,2,0: 33:[27, 6] Operation: 17-11=6 Exploring Operation: 27-17=10, Resulting Numbers: [11, 10] Generated Node #0,2,1: 33:[11, 10] Operation: 27-17=10 Exploring Operation: 17+27=44, Resulting Numbers: [11, 44] Generated Node #0,2,2: 33:[11, 44] Operation: 17+27=44 Moving to Node #0,0 Current State: 33:[84, 17, 46], Operations: ['73-27=46'] Exploring Operation: 84-17=67, Resulting Numbers: [46, 67] Generated Node #0,0,0: 33:[46, 67] Operation: 84-17=67 Exploring Operation: 46-17=29, Resulting Numbers: [84, 29] Generated Node #0,0,1: 33:[84, 29] Operation: 46-17=29 Exploring Operation: 84-46=38, Resulting Numbers: [17, 38] Generated Node #0,0,2: 33:[17, 38] Operation: 84-46=38 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 33:[17, 38], Operations: ['73-27=46', '84-46=38'] Exploring Operation: 17+38=55, Resulting Numbers: [55] 55,33 unequal: No Solution Exploring Operation: 17*38=646, Resulting Numbers: [646] 646,33 unequal: No Solution Exploring Operation: 38-17=21, Resulting Numbers: [21] 21,33 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 #0,0,0 Current State: 33:[46, 67], Operations: ['73-27=46', '84-17=67'] Exploring Operation: 67-46=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 46*67=3082, Resulting Numbers: [3082] 3082,33 unequal: No Solution Exploring Operation: 46+67=113, Resulting Numbers: [113] 113,33 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:[84, 29], Operations: ['73-27=46', '46-17=29'] Exploring Operation: 84-29=55, Resulting Numbers: [55] 55,33 unequal: No Solution Exploring Operation: 84*29=2436, Resulting Numbers: [2436] 2436,33 unequal: No Solution Exploring Operation: 84+29=113, Resulting Numbers: [113] 113,33 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:[17, 73, 57], Operations: ['84-27=57'] Exploring Operation: 57-17=40, Resulting Numbers: [73, 40] Generated Node #0,1,0: 33:[73, 40] Operation: 57-17=40 Exploring Operation: 73-57=16, Resulting Numbers: [17, 16] Generated Node #0,1,1: 33:[17, 16] Operation: 73-57=16 Exploring Operation: 73-17=56, Resulting Numbers: [57, 56] Generated Node #0,1,2: 33:[57, 56] Operation: 73-17=56 Moving to Node #0,2,1 Current State: 33:[11, 10], Operations: ['84-73=11', '27-17=10'] Exploring Operation: 11*10=110, Resulting Numbers: [110] 110,33 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[27, 6], Operations: ['84-73=11', '17-11=6'] Exploring Operation: 27*6=162, Resulting Numbers: [162] 162,33 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[84, 17, 73, 27], Operations: [] Exploring Operation: 84-73=11, Resulting Numbers: [17, 27, 11] Generated Node #0,2: 33:[17, 27, 11] Operation: 84-73=11 Moving to Node #0,2 Current State: 33:[17, 27, 11], Operations: ['84-73=11'] Exploring Operation: 17-11=6, Resulting Numbers: [27, 6] Generated Node #0,2,0: 33:[27, 6] Operation: 17-11=6 Moving to Node #0,2,0 Current State: 33:[27, 6], Operations: ['84-73=11', '17-11=6'] Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
0.97309
hs_3
mult_heuristic
[ 33, 2, 54, 27 ]
50
[ "33-2=31", "54+27=81", "81-31=50" ]
Current State: 50:[33, 2, 54, 27], Operations: [] Exploring Operation: 33-2=31, Resulting Numbers: [54, 27, 31] Generated Node #2: [54, 27, 31] from Operation: 33-2=31 Current State: 50:[54, 27, 31], Operations: ['33-2=31'] Exploring Operation: 54+27=81, Resulting Numbers: [31, 81] Generated Node #3: [31, 81] from Operation: 54+27=81 Current State: 50:[31, 81], Operations: ['33-2=31', '54+27=81'] Exploring Operation: 81-31=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[33, 2, 54, 27], Operations: [] Exploring Operation: 33-27=6, Resulting Numbers: [2, 54, 6] Generated Node #0,0: 50:[2, 54, 6] Operation: 33-27=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[2, 54, 6], Operations: ['33-27=6'] Exploring Operation: 54/6=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 50:[2, 9] Operation: 54/6=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[2, 9], Operations: ['33-27=6', '54/6=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,50 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 No solution found.
0
hs_1
sum_heuristic
[ 30, 6, 38, 26 ]
36
[ "30-6=24", "38-26=12", "24+12=36" ]
Current State: 36:[30, 6, 38, 26], Operations: [] Exploring Operation: 30-6=24, Resulting Numbers: [38, 26, 24] Generated Node #2: [38, 26, 24] from Operation: 30-6=24 Current State: 36:[38, 26, 24], Operations: ['30-6=24'] Exploring Operation: 38-26=12, Resulting Numbers: [24, 12] Generated Node #3: [24, 12] from Operation: 38-26=12 Current State: 36:[24, 12], Operations: ['30-6=24', '38-26=12'] Exploring Operation: 24+12=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[30, 6, 38, 26], Operations: [] Exploring Operation: 30-26=4, Resulting Numbers: [6, 38, 4] Generated Node #0,0: 36:[6, 38, 4] Operation: 30-26=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[6, 38, 4], Operations: ['30-26=4'] Exploring Operation: 6-4=2, Resulting Numbers: [38, 2] Generated Node #0,0,0: 36:[38, 2] Operation: 6-4=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[38, 2], Operations: ['30-26=4', '6-4=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[30, 6, 38, 26], Operations: [] Exploring Operation: 30-26=4, Resulting Numbers: [6, 38, 4] Generated Node #0,0: 36:[6, 38, 4] Operation: 30-26=4 Moving to Node #0,0 Current State: 36:[6, 38, 4], Operations: ['30-26=4'] Exploring Operation: 6-4=2, Resulting Numbers: [38, 2] Generated Node #0,0,0: 36:[38, 2] Operation: 6-4=2 Moving to Node #0,0,0 Current State: 36:[38, 2], Operations: ['30-26=4', '6-4=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 64, 73, 55, 4 ]
78
[ "64+73=137", "55+4=59", "137-59=78" ]
Current State: 78:[64, 73, 55, 4], Operations: [] Exploring Operation: 64+73=137, Resulting Numbers: [55, 4, 137] Generated Node #2: [55, 4, 137] from Operation: 64+73=137 Current State: 78:[55, 4, 137], Operations: ['64+73=137'] Exploring Operation: 55+4=59, Resulting Numbers: [137, 59] Generated Node #3: [137, 59] from Operation: 55+4=59 Current State: 78:[137, 59], Operations: ['64+73=137', '55+4=59'] Exploring Operation: 137-59=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[64, 73, 55, 4], Operations: [] Exploring Operation: 64-55=9, Resulting Numbers: [73, 4, 9] Generated Node #0,0: 78:[73, 4, 9] Operation: 64-55=9 Exploring Operation: 73-64=9, Resulting Numbers: [55, 4, 9] Generated Node #0,1: 78:[55, 4, 9] Operation: 73-64=9 Moving to Node #0,0 Current State: 78:[73, 4, 9], Operations: ['64-55=9'] Exploring Operation: 73+9=82, Resulting Numbers: [4, 82] Generated Node #0,0,0: 78:[4, 82] Operation: 73+9=82 Exploring Operation: 73+4=77, Resulting Numbers: [9, 77] Generated Node #0,0,1: 78:[9, 77] Operation: 73+4=77 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 78:[9, 77], Operations: ['64-55=9', '73+4=77'] Exploring Operation: 9+77=86, Resulting Numbers: [86] 86,78 unequal: No Solution Exploring Operation: 77-9=68, Resulting Numbers: [68] 68,78 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 #0,0,0 Current State: 78:[4, 82], Operations: ['64-55=9', '73+9=82'] Exploring Operation: 4+82=86, Resulting Numbers: [86] 86,78 unequal: No Solution Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[64, 73, 55, 4], Operations: [] Exploring Operation: 64-55=9, Resulting Numbers: [73, 4, 9] Generated Node #0,0: 78:[73, 4, 9] Operation: 64-55=9 Moving to Node #0,0 Current State: 78:[73, 4, 9], Operations: ['64-55=9'] Exploring Operation: 73+9=82, Resulting Numbers: [4, 82] Generated Node #0,0,0: 78:[4, 82] Operation: 73+9=82 Moving to Node #0,0,0 Current State: 78:[4, 82], Operations: ['64-55=9', '73+9=82'] Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 71, 9, 14, 12 ]
54
[ "71+9=80", "14+12=26", "80-26=54" ]
Current State: 54:[71, 9, 14, 12], Operations: [] Exploring Operation: 71+9=80, Resulting Numbers: [14, 12, 80] Generated Node #2: [14, 12, 80] from Operation: 71+9=80 Current State: 54:[14, 12, 80], Operations: ['71+9=80'] Exploring Operation: 14+12=26, Resulting Numbers: [80, 26] Generated Node #3: [80, 26] from Operation: 14+12=26 Current State: 54:[80, 26], Operations: ['71+9=80', '14+12=26'] Exploring Operation: 80-26=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[71, 9, 14, 12], Operations: [] Exploring Operation: 71-14=57, Resulting Numbers: [9, 12, 57] Generated Node #0,0: 54:[9, 12, 57] Operation: 71-14=57 Moving to Node #0,0 Current State: 54:[9, 12, 57], Operations: ['71-14=57'] Exploring Operation: 12-9=3, Resulting Numbers: [57, 3] Generated Node #0,0,0: 54:[57, 3] Operation: 12-9=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[57, 3], Operations: ['71-14=57', '12-9=3'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[71, 9, 14, 12], Operations: [] Exploring Operation: 71-14=57, Resulting Numbers: [9, 12, 57] Generated Node #0,0: 54:[9, 12, 57] Operation: 71-14=57 Moving to Node #0,0 Current State: 54:[9, 12, 57], Operations: ['71-14=57'] Exploring Operation: 12-9=3, Resulting Numbers: [57, 3] Generated Node #0,0,0: 54:[57, 3] Operation: 12-9=3 Moving to Node #0,0,0 Current State: 54:[57, 3], Operations: ['71-14=57', '12-9=3'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 80, 83, 61, 3 ]
67
[ "83-80=3", "61+3=64", "3+64=67" ]
Current State: 67:[80, 83, 61, 3], Operations: [] Exploring Operation: 83-80=3, Resulting Numbers: [61, 3, 3] Generated Node #2: [61, 3, 3] from Operation: 83-80=3 Current State: 67:[61, 3, 3], Operations: ['83-80=3'] Exploring Operation: 61+3=64, Resulting Numbers: [64] 64,67 equal: Goal Reached Exploring Operation: 3+64=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[80, 83, 61, 3], Operations: [] Exploring Operation: 80+3=83, Resulting Numbers: [83, 61, 83] Generated Node #0,0: 67:[83, 61, 83] Operation: 80+3=83 Exploring Operation: 80-3=77, Resulting Numbers: [83, 61, 77] Generated Node #0,1: 67:[83, 61, 77] Operation: 80-3=77 Exploring Operation: 83+3=86, Resulting Numbers: [80, 61, 86] Generated Node #0,2: 67:[80, 61, 86] Operation: 83+3=86 Exploring Operation: 83-3=80, Resulting Numbers: [80, 61, 80] Generated Node #0,3: 67:[80, 61, 80] Operation: 83-3=80 Exploring Operation: 61+3=64, Resulting Numbers: [80, 83, 64] Generated Node #0,4: 67:[80, 83, 64] Operation: 61+3=64 Moving to Node #0,1 Current State: 67:[83, 61, 77], Operations: ['80-3=77'] Exploring Operation: 61+77=138, Resulting Numbers: [83, 138] Generated Node #0,1,0: 67:[83, 138] Operation: 61+77=138 Exploring Operation: 83-77=6, Resulting Numbers: [61, 6] Generated Node #0,1,1: 67:[61, 6] Operation: 83-77=6 Exploring Operation: 83-61=22, Resulting Numbers: [77, 22] Generated Node #0,1,2: 67:[77, 22] Operation: 83-61=22 Exploring Operation: 83+61=144, Resulting Numbers: [77, 144] Generated Node #0,1,3: 67:[77, 144] Operation: 83+61=144 Exploring Operation: 77-61=16, Resulting Numbers: [83, 16] Generated Node #0,1,4: 67:[83, 16] Operation: 77-61=16 Moving to Node #0,4 Current State: 67:[80, 83, 64], Operations: ['61+3=64'] Exploring Operation: 83-64=19, Resulting Numbers: [80, 19] Generated Node #0,4,0: 67:[80, 19] Operation: 83-64=19 Exploring Operation: 83-80=3, Resulting Numbers: [64, 3] Generated Node #0,4,1: 67:[64, 3] Operation: 83-80=3 Exploring Operation: 83+64=147, Resulting Numbers: [80, 147] Generated Node #0,4,2: 67:[80, 147] Operation: 83+64=147 Exploring Operation: 80-64=16, Resulting Numbers: [83, 16] Generated Node #0,4,3: 67:[83, 16] Operation: 80-64=16 Exploring Operation: 80+64=144, Resulting Numbers: [83, 144] Generated Node #0,4,4: 67:[83, 144] Operation: 80+64=144 Moving to Node #0,3 Current State: 67:[80, 61, 80], Operations: ['83-3=80'] Exploring Operation: 80+61=141, Resulting Numbers: [80, 141] Generated Node #0,3,0: 67:[80, 141] Operation: 80+61=141 Exploring Operation: 80/80=1, Resulting Numbers: [61, 1] Generated Node #0,3,1: 67:[61, 1] Operation: 80/80=1 Exploring Operation: 80-61=19, Resulting Numbers: [80, 19] Generated Node #0,3,2: 67:[80, 19] Operation: 80-61=19 Exploring Operation: 80-61=19, Resulting Numbers: [80, 19] Generated Node #0,3,3: 67:[80, 19] Operation: 80-61=19 Exploring Operation: 80-80=0, Resulting Numbers: [61, 0] Generated Node #0,3,4: 67:[61, 0] Operation: 80-80=0 Moving to Node #0,0 Current State: 67:[83, 61, 83], Operations: ['80+3=83'] Exploring Operation: 83/83=1, Resulting Numbers: [61, 1] Generated Node #0,0,0: 67:[61, 1] Operation: 83/83=1 Exploring Operation: 83-61=22, Resulting Numbers: [83, 22] Generated Node #0,0,1: 67:[83, 22] Operation: 83-61=22 Exploring Operation: 83-83=0, Resulting Numbers: [61, 0] Generated Node #0,0,2: 67:[61, 0] Operation: 83-83=0 Exploring Operation: 83-61=22, Resulting Numbers: [83, 22] Generated Node #0,0,3: 67:[83, 22] Operation: 83-61=22 Exploring Operation: 83+61=144, Resulting Numbers: [83, 144] Generated Node #0,0,4: 67:[83, 144] Operation: 83+61=144 Moving to Node #0,2 Current State: 67:[80, 61, 86], Operations: ['83+3=86'] Exploring Operation: 80-61=19, Resulting Numbers: [86, 19] Generated Node #0,2,0: 67:[86, 19] Operation: 80-61=19 Exploring Operation: 80+61=141, Resulting Numbers: [86, 141] Generated Node #0,2,1: 67:[86, 141] Operation: 80+61=141 Exploring Operation: 86-61=25, Resulting Numbers: [80, 25] Generated Node #0,2,2: 67:[80, 25] Operation: 86-61=25 Exploring Operation: 86-80=6, Resulting Numbers: [61, 6] Generated Node #0,2,3: 67:[61, 6] Operation: 86-80=6 Exploring Operation: 61+86=147, Resulting Numbers: [80, 147] Generated Node #0,2,4: 67:[80, 147] Operation: 61+86=147 Moving to Node #0,1,2 Current State: 67:[77, 22], Operations: ['80-3=77', '83-61=22'] Exploring Operation: 77-22=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 77+22=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 77*22=1694, Resulting Numbers: [1694] 1694,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[80, 25], Operations: ['83+3=86', '86-61=25'] Exploring Operation: 80*25=2000, Resulting Numbers: [2000] 2000,67 unequal: No Solution Exploring Operation: 80+25=105, Resulting Numbers: [105] 105,67 unequal: No Solution Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,67 unequal: No Solution Moving to Node #0,4,0 Current State: 67:[80, 19], Operations: ['61+3=64', '83-64=19'] Exploring Operation: 80-19=61, Resulting Numbers: [61] 61,67 unequal: No Solution Exploring Operation: 80+19=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 80*19=1520, Resulting Numbers: [1520] 1520,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[80, 19], Operations: ['83-3=80', '80-61=19'] Exploring Operation: 80*19=1520, Resulting Numbers: [1520] 1520,67 unequal: No Solution Exploring Operation: 80+19=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 80-19=61, Resulting Numbers: [61] 61,67 unequal: No Solution Moving to Node #0,3,2 Current State: 67:[80, 19], Operations: ['83-3=80', '80-61=19'] Exploring Operation: 80-19=61, Resulting Numbers: [61] 61,67 unequal: No Solution Exploring Operation: 80+19=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 80*19=1520, Resulting Numbers: [1520] 1520,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[83, 22], Operations: ['80+3=83', '83-61=22'] Exploring Operation: 83+22=105, Resulting Numbers: [105] 105,67 unequal: No Solution Exploring Operation: 83*22=1826, Resulting Numbers: [1826] 1826,67 unequal: No Solution Exploring Operation: 83-22=61, Resulting Numbers: [61] 61,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[83, 22], Operations: ['80+3=83', '83-61=22'] Exploring Operation: 83-22=61, Resulting Numbers: [61] 61,67 unequal: No Solution Exploring Operation: 83+22=105, Resulting Numbers: [105] 105,67 unequal: No Solution Exploring Operation: 83*22=1826, Resulting Numbers: [1826] 1826,67 unequal: No Solution Moving to Node #0,4,1 Current State: 67:[64, 3], Operations: ['61+3=64', '83-80=3'] Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,67 unequal: No Solution Exploring Operation: 64*3=192, Resulting Numbers: [192] 192,67 unequal: No Solution Exploring Operation: 64+3=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[80, 83, 61, 3], Operations: [] Exploring Operation: 61+3=64, Resulting Numbers: [80, 83, 64] Generated Node #0,4: 67:[80, 83, 64] Operation: 61+3=64 Moving to Node #0,4 Current State: 67:[80, 83, 64], Operations: ['61+3=64'] Exploring Operation: 83-80=3, Resulting Numbers: [64, 3] Generated Node #0,4,1: 67:[64, 3] Operation: 83-80=3 Moving to Node #0,4,1 Current State: 67:[64, 3], Operations: ['61+3=64', '83-80=3'] Exploring Operation: 64+3=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
0.949653
hs_5
sum_heuristic
[ 37, 93, 75, 6 ]
49
[ "37+93=130", "75+6=81", "130-81=49" ]
Current State: 49:[37, 93, 75, 6], Operations: [] Exploring Operation: 37+93=130, Resulting Numbers: [75, 6, 130] Generated Node #2: [75, 6, 130] from Operation: 37+93=130 Current State: 49:[75, 6, 130], Operations: ['37+93=130'] Exploring Operation: 75+6=81, Resulting Numbers: [130, 81] Generated Node #3: [130, 81] from Operation: 75+6=81 Current State: 49:[130, 81], Operations: ['37+93=130', '75+6=81'] Exploring Operation: 130-81=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[37, 93, 75, 6], Operations: [] Exploring Operation: 93-75=18, Resulting Numbers: [37, 6, 18] Generated Node #0,0: 49:[37, 6, 18] Operation: 93-75=18 Exploring Operation: 93-37=56, Resulting Numbers: [75, 6, 56] Generated Node #0,1: 49:[75, 6, 56] Operation: 93-37=56 Exploring Operation: 75-37=38, Resulting Numbers: [93, 6, 38] Generated Node #0,2: 49:[93, 6, 38] Operation: 75-37=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[37, 6, 18], Operations: ['93-75=18'] Exploring Operation: 37-18=19, Resulting Numbers: [6, 19] Generated Node #0,0,0: 49:[6, 19] Operation: 37-18=19 Exploring Operation: 18/6=3, Resulting Numbers: [37, 3] Generated Node #0,0,1: 49:[37, 3] Operation: 18/6=3 Exploring Operation: 37+18=55, Resulting Numbers: [6, 55] Generated Node #0,0,2: 49:[6, 55] Operation: 37+18=55 Moving to Node #0,0,2 Current State: 49:[6, 55], Operations: ['93-75=18', '37+18=55'] Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[37, 93, 75, 6], Operations: [] Exploring Operation: 93-75=18, Resulting Numbers: [37, 6, 18] Generated Node #0,0: 49:[37, 6, 18] Operation: 93-75=18 Moving to Node #0,0 Current State: 49:[37, 6, 18], Operations: ['93-75=18'] Exploring Operation: 37+18=55, Resulting Numbers: [6, 55] Generated Node #0,0,2: 49:[6, 55] Operation: 37+18=55 Moving to Node #0,0,2 Current State: 49:[6, 55], Operations: ['93-75=18', '37+18=55'] Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 44, 64, 30, 43 ]
93
[ "64-44=20", "30+43=73", "20+73=93" ]
Current State: 93:[44, 64, 30, 43], Operations: [] Exploring Operation: 64-44=20, Resulting Numbers: [30, 43, 20] Generated Node #2: [30, 43, 20] from Operation: 64-44=20 Current State: 93:[30, 43, 20], Operations: ['64-44=20'] Exploring Operation: 30+43=73, Resulting Numbers: [20, 73] Generated Node #3: [20, 73] from Operation: 30+43=73 Current State: 93:[20, 73], Operations: ['64-44=20', '30+43=73'] Exploring Operation: 20+73=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[44, 64, 30, 43], Operations: [] Exploring Operation: 64-43=21, Resulting Numbers: [44, 30, 21] Generated Node #0,0: 93:[44, 30, 21] Operation: 64-43=21 Exploring Operation: 64-44=20, Resulting Numbers: [30, 43, 20] Generated Node #0,1: 93:[30, 43, 20] Operation: 64-44=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[44, 30, 21], Operations: ['64-43=21'] Exploring Operation: 44-21=23, Resulting Numbers: [30, 23] Generated Node #0,0,0: 93:[30, 23] Operation: 44-21=23 Exploring Operation: 30-21=9, Resulting Numbers: [44, 9] Generated Node #0,0,1: 93:[44, 9] Operation: 30-21=9 Moving to Node #0,0,0 Current State: 93:[30, 23], Operations: ['64-43=21', '44-21=23'] Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,93 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[44, 9], Operations: ['64-43=21', '30-21=9'] Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,93 unequal: No Solution Exploring Operation: 44+9=53, Resulting Numbers: [53] 53,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[30, 43, 20], Operations: ['64-44=20'] Exploring Operation: 30-20=10, Resulting Numbers: [43, 10] Generated Node #0,1,0: 93:[43, 10] Operation: 30-20=10 Exploring Operation: 43-20=23, Resulting Numbers: [30, 23] Generated Node #0,1,1: 93:[30, 23] Operation: 43-20=23 Moving to Node #0,1,1 Current State: 93:[30, 23], Operations: ['64-44=20', '43-20=23'] Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,93 unequal: No Solution Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[43, 10], Operations: ['64-44=20', '30-20=10'] Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,93 unequal: No Solution Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,93 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
[ 65, 86, 93, 48 ]
10
[ "65+86=151", "93+48=141", "151-141=10" ]
Current State: 10:[65, 86, 93, 48], Operations: [] Exploring Operation: 65+86=151, Resulting Numbers: [93, 48, 151] Generated Node #2: [93, 48, 151] from Operation: 65+86=151 Current State: 10:[93, 48, 151], Operations: ['65+86=151'] Exploring Operation: 93+48=141, Resulting Numbers: [151, 141] Generated Node #3: [151, 141] from Operation: 93+48=141 Current State: 10:[151, 141], Operations: ['65+86=151', '93+48=141'] Exploring Operation: 151-141=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[65, 86, 93, 48], Operations: [] Exploring Operation: 65-48=17, Resulting Numbers: [86, 93, 17] Generated Node #0,0: 10:[86, 93, 17] Operation: 65-48=17 Exploring Operation: 93-65=28, Resulting Numbers: [86, 48, 28] Generated Node #0,1: 10:[86, 48, 28] Operation: 93-65=28 Exploring Operation: 93-86=7, Resulting Numbers: [65, 48, 7] Generated Node #0,2: 10:[65, 48, 7] Operation: 93-86=7 Exploring Operation: 86-65=21, Resulting Numbers: [93, 48, 21] Generated Node #0,3: 10:[93, 48, 21] Operation: 86-65=21 Moving to Node #0,2 Current State: 10:[65, 48, 7], Operations: ['93-86=7'] Exploring Operation: 65+7=72, Resulting Numbers: [48, 72] Generated Node #0,2,0: 10:[48, 72] Operation: 65+7=72 Exploring Operation: 65-7=58, Resulting Numbers: [48, 58] Generated Node #0,2,1: 10:[48, 58] Operation: 65-7=58 Exploring Operation: 48-7=41, Resulting Numbers: [65, 41] Generated Node #0,2,2: 10:[65, 41] Operation: 48-7=41 Exploring Operation: 65-48=17, Resulting Numbers: [7, 17] Generated Node #0,2,3: 10:[7, 17] Operation: 65-48=17 Moving to Node #0,3 Current State: 10:[93, 48, 21], Operations: ['86-65=21'] Exploring Operation: 48-21=27, Resulting Numbers: [93, 27] Generated Node #0,3,0: 10:[93, 27] Operation: 48-21=27 Exploring Operation: 93+48=141, Resulting Numbers: [21, 141] Generated Node #0,3,1: 10:[21, 141] Operation: 93+48=141 Exploring Operation: 93-21=72, Resulting Numbers: [48, 72] Generated Node #0,3,2: 10:[48, 72] Operation: 93-21=72 Exploring Operation: 93-48=45, Resulting Numbers: [21, 45] Generated Node #0,3,3: 10:[21, 45] Operation: 93-48=45 Moving to Node #0,1 Current State: 10:[86, 48, 28], Operations: ['93-65=28'] Exploring Operation: 48-28=20, Resulting Numbers: [86, 20] Generated Node #0,1,0: 10:[86, 20] Operation: 48-28=20 Exploring Operation: 86-48=38, Resulting Numbers: [28, 38] Generated Node #0,1,1: 10:[28, 38] Operation: 86-48=38 Exploring Operation: 86-28=58, Resulting Numbers: [48, 58] Generated Node #0,1,2: 10:[48, 58] Operation: 86-28=58 Exploring Operation: 86+48=134, Resulting Numbers: [28, 134] Generated Node #0,1,3: 10:[28, 134] Operation: 86+48=134 Moving to Node #0,0 Current State: 10:[86, 93, 17], Operations: ['65-48=17'] Exploring Operation: 86-17=69, Resulting Numbers: [93, 69] Generated Node #0,0,0: 10:[93, 69] Operation: 86-17=69 Exploring Operation: 86+93=179, Resulting Numbers: [17, 179] Generated Node #0,0,1: 10:[17, 179] Operation: 86+93=179 Exploring Operation: 93-17=76, Resulting Numbers: [86, 76] Generated Node #0,0,2: 10:[86, 76] Operation: 93-17=76 Exploring Operation: 93-86=7, Resulting Numbers: [17, 7] Generated Node #0,0,3: 10:[17, 7] Operation: 93-86=7 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 10:[17, 7], Operations: ['65-48=17', '93-86=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[65, 86, 93, 48], Operations: [] Exploring Operation: 65-48=17, Resulting Numbers: [86, 93, 17] Generated Node #0,0: 10:[86, 93, 17] Operation: 65-48=17 Moving to Node #0,0 Current State: 10:[86, 93, 17], Operations: ['65-48=17'] Exploring Operation: 93-86=7, Resulting Numbers: [17, 7] Generated Node #0,0,3: 10:[17, 7] Operation: 93-86=7 Moving to Node #0,0,3 Current State: 10:[17, 7], Operations: ['65-48=17', '93-86=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
mult_heuristic
[ 68, 97, 63, 73 ]
32
[ "73-68=5", "97+63=160", "160/5=32" ]
Current State: 32:[68, 97, 63, 73], Operations: [] Exploring Operation: 73-68=5, Resulting Numbers: [97, 63, 5] Generated Node #2: [97, 63, 5] from Operation: 73-68=5 Current State: 32:[97, 63, 5], Operations: ['73-68=5'] Exploring Operation: 97+63=160, Resulting Numbers: [5, 160] Generated Node #3: [5, 160] from Operation: 97+63=160 Current State: 32:[5, 160], Operations: ['73-68=5', '97+63=160'] Exploring Operation: 160/5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[68, 97, 63, 73], Operations: [] Exploring Operation: 97-68=29, Resulting Numbers: [63, 73, 29] Generated Node #0,0: 32:[63, 73, 29] Operation: 97-68=29 Exploring Operation: 73-63=10, Resulting Numbers: [68, 97, 10] Generated Node #0,1: 32:[68, 97, 10] Operation: 73-63=10 Exploring Operation: 73-68=5, Resulting Numbers: [97, 63, 5] Generated Node #0,2: 32:[97, 63, 5] Operation: 73-68=5 Exploring Operation: 97-63=34, Resulting Numbers: [68, 73, 34] Generated Node #0,3: 32:[68, 73, 34] Operation: 97-63=34 Exploring Operation: 97-73=24, Resulting Numbers: [68, 63, 24] Generated Node #0,4: 32:[68, 63, 24] Operation: 97-73=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[63, 73, 29], Operations: ['97-68=29'] Exploring Operation: 63+29=92, Resulting Numbers: [73, 92] Generated Node #0,0,0: 32:[73, 92] Operation: 63+29=92 Exploring Operation: 73-63=10, Resulting Numbers: [29, 10] Generated Node #0,0,1: 32:[29, 10] Operation: 73-63=10 Exploring Operation: 73-29=44, Resulting Numbers: [63, 44] Generated Node #0,0,2: 32:[63, 44] Operation: 73-29=44 Exploring Operation: 63-29=34, Resulting Numbers: [73, 34] Generated Node #0,0,3: 32:[73, 34] Operation: 63-29=34 Exploring Operation: 73+29=102, Resulting Numbers: [63, 102] Generated Node #0,0,4: 32:[63, 102] Operation: 73+29=102 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 32:[29, 10], Operations: ['97-68=29', '73-63=10'] Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,32 unequal: No Solution Exploring Operation: 29*10=290, Resulting Numbers: [290] 290,32 unequal: No Solution Exploring Operation: 29+10=39, Resulting Numbers: [39] 39,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 32:[63, 44], Operations: ['97-68=29', '73-29=44'] Exploring Operation: 63+44=107, Resulting Numbers: [107] 107,32 unequal: No Solution Exploring Operation: 63*44=2772, Resulting Numbers: [2772] 2772,32 unequal: No Solution Exploring Operation: 63-44=19, Resulting Numbers: [19] 19,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 32:[73, 34], Operations: ['97-68=29', '63-29=34'] Exploring Operation: 73*34=2482, Resulting Numbers: [2482] 2482,32 unequal: No Solution Exploring Operation: 73+34=107, Resulting Numbers: [107] 107,32 unequal: No Solution Exploring Operation: 73-34=39, Resulting Numbers: [39] 39,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[73, 92], Operations: ['97-68=29', '63+29=92'] Exploring Operation: 73*92=6716, Resulting Numbers: [6716] 6716,32 unequal: No Solution Exploring Operation: 73+92=165, Resulting Numbers: [165] 165,32 unequal: No Solution Exploring Operation: 92-73=19, Resulting Numbers: [19] 19,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 32:[63, 102], Operations: ['97-68=29', '73+29=102'] Exploring Operation: 102-63=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 63*102=6426, Resulting Numbers: [6426] 6426,32 unequal: No Solution Exploring Operation: 63+102=165, Resulting Numbers: [165] 165,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 32:[68, 63, 24], Operations: ['97-73=24'] Exploring Operation: 63-24=39, Resulting Numbers: [68, 39] Generated Node #0,4,0: 32:[68, 39] Operation: 63-24=39 Exploring Operation: 63+24=87, Resulting Numbers: [68, 87] Generated Node #0,4,1: 32:[68, 87] Operation: 63+24=87 Exploring Operation: 68-63=5, Resulting Numbers: [24, 5] Generated Node #0,4,2: 32:[24, 5] Operation: 68-63=5 Exploring Operation: 68+24=92, Resulting Numbers: [63, 92] Generated Node #0,4,3: 32:[63, 92] Operation: 68+24=92 Exploring Operation: 68-24=44, Resulting Numbers: [63, 44] Generated Node #0,4,4: 32:[63, 44] Operation: 68-24=44 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 32:[24, 5], Operations: ['97-73=24', '68-63=5'] Exploring Operation: 24*5=120, Resulting Numbers: [120] 120,32 unequal: No Solution Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 32:[68, 39], Operations: ['97-73=24', '63-24=39'] Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 68+39=107, Resulting Numbers: [107] 107,32 unequal: No Solution Exploring Operation: 68*39=2652, Resulting Numbers: [2652] 2652,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 32:[63, 44], Operations: ['97-73=24', '68-24=44'] Exploring Operation: 63-44=19, Resulting Numbers: [19] 19,32 unequal: No Solution Exploring Operation: 63+44=107, Resulting Numbers: [107] 107,32 unequal: No Solution Exploring Operation: 63*44=2772, Resulting Numbers: [2772] 2772,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 32:[68, 87], Operations: ['97-73=24', '63+24=87'] Exploring Operation: 68+87=155, Resulting Numbers: [155] 155,32 unequal: No Solution Exploring Operation: 68*87=5916, Resulting Numbers: [5916] 5916,32 unequal: No Solution Exploring Operation: 87-68=19, Resulting Numbers: [19] 19,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 32:[63, 92], Operations: ['97-73=24', '68+24=92'] Exploring Operation: 63+92=155, Resulting Numbers: [155] 155,32 unequal: No Solution Exploring Operation: 63*92=5796, Resulting Numbers: [5796] 5796,32 unequal: No Solution Exploring Operation: 92-63=29, Resulting Numbers: [29] 29,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 32:[68, 73, 34], Operations: ['97-63=34'] Exploring Operation: 68-34=34, Resulting Numbers: [73, 34] Generated Node #0,3,0: 32:[73, 34] Operation: 68-34=34 Exploring Operation: 68+73=141, Resulting Numbers: [34, 141] Generated Node #0,3,1: 32:[34, 141] Operation: 68+73=141 Exploring Operation: 73-68=5, Resulting Numbers: [34, 5] Generated Node #0,3,2: 32:[34, 5] Operation: 73-68=5 Exploring Operation: 68/34=2, Resulting Numbers: [73, 2] Generated Node #0,3,3: 32:[73, 2] Operation: 68/34=2 Exploring Operation: 73-34=39, Resulting Numbers: [68, 39] Generated Node #0,3,4: 32:[68, 39] Operation: 73-34=39 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 32:[34, 5], Operations: ['97-63=34', '73-68=5'] Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,32 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 32:[73, 2], Operations: ['97-63=34', '68/34=2'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,32 unequal: No Solution Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,32 unequal: No Solution Exploring Operation: 73*2=146, Resulting Numbers: [146] 146,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 32:[73, 34], Operations: ['97-63=34', '68-34=34'] Exploring Operation: 73*34=2482, Resulting Numbers: [2482] 2482,32 unequal: No Solution Exploring Operation: 73+34=107, Resulting Numbers: [107] 107,32 unequal: No Solution Exploring Operation: 73-34=39, Resulting Numbers: [39] 39,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 32:[68, 39], Operations: ['97-63=34', '73-34=39'] Exploring Operation: 68*39=2652, Resulting Numbers: [2652] 2652,32 unequal: No Solution Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 68+39=107, Resulting Numbers: [107] 107,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 32:[34, 141], Operations: ['97-63=34', '68+73=141'] Exploring Operation: 34+141=175, Resulting Numbers: [175] 175,32 unequal: No Solution Exploring Operation: 34*141=4794, Resulting Numbers: [4794] 4794,32 unequal: No Solution Exploring Operation: 141-34=107, Resulting Numbers: [107] 107,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[97, 63, 5], Operations: ['73-68=5'] Exploring Operation: 97-63=34, Resulting Numbers: [5, 34] Generated Node #0,2,0: 32:[5, 34] Operation: 97-63=34 Exploring Operation: 63-5=58, Resulting Numbers: [97, 58] Generated Node #0,2,1: 32:[97, 58] Operation: 63-5=58 Exploring Operation: 97-5=92, Resulting Numbers: [63, 92] Generated Node #0,2,2: 32:[63, 92] Operation: 97-5=92 Exploring Operation: 63+5=68, Resulting Numbers: [97, 68] Generated Node #0,2,3: 32:[97, 68] Operation: 63+5=68 Exploring Operation: 97+5=102, Resulting Numbers: [63, 102] Generated Node #0,2,4: 32:[63, 102] Operation: 97+5=102 Moving to Node #0,2,0 Current State: 32:[5, 34], Operations: ['73-68=5', '97-63=34'] Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,32 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[63, 92], Operations: ['73-68=5', '97-5=92'] Exploring Operation: 92-63=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 63+92=155, Resulting Numbers: [155] 155,32 unequal: No Solution Exploring Operation: 63*92=5796, Resulting Numbers: [5796] 5796,32 unequal: No Solution Moving to Node #0,2,1 Current State: 32:[97, 58], Operations: ['73-68=5', '63-5=58'] Exploring Operation: 97*58=5626, Resulting Numbers: [5626] 5626,32 unequal: No Solution Exploring Operation: 97-58=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 97+58=155, Resulting Numbers: [155] 155,32 unequal: No Solution Moving to Node #0,2,3 Current State: 32:[97, 68], Operations: ['73-68=5', '63+5=68'] Exploring Operation: 97*68=6596, Resulting Numbers: [6596] 6596,32 unequal: No Solution Exploring Operation: 97+68=165, Resulting Numbers: [165] 165,32 unequal: No Solution Exploring Operation: 97-68=29, Resulting Numbers: [29] 29,32 unequal: No Solution Moving to Node #0,2,4 Current State: 32:[63, 102], Operations: ['73-68=5', '97+5=102'] Exploring Operation: 63*102=6426, Resulting Numbers: [6426] 6426,32 unequal: No Solution Exploring Operation: 63+102=165, Resulting Numbers: [165] 165,32 unequal: No Solution Exploring Operation: 102-63=39, Resulting Numbers: [39] 39,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[68, 97, 10], Operations: ['73-63=10'] Exploring Operation: 97-10=87, Resulting Numbers: [68, 87] Generated Node #0,1,0: 32:[68, 87] Operation: 97-10=87 Exploring Operation: 97-68=29, Resulting Numbers: [10, 29] Generated Node #0,1,1: 32:[10, 29] Operation: 97-68=29 Exploring Operation: 68-10=58, Resulting Numbers: [97, 58] Generated Node #0,1,2: 32:[97, 58] Operation: 68-10=58 Exploring Operation: 97+10=107, Resulting Numbers: [68, 107] Generated Node #0,1,3: 32:[68, 107] Operation: 97+10=107 Exploring Operation: 68+10=78, Resulting Numbers: [97, 78] Generated Node #0,1,4: 32:[97, 78] Operation: 68+10=78 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 32:[10, 29], Operations: ['73-63=10', '97-68=29'] Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 10*29=290, Resulting Numbers: [290] 290,32 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 32:[68, 87], Operations: ['73-63=10', '97-10=87'] Exploring Operation: 87-68=19, Resulting Numbers: [19] 19,32 unequal: No Solution Exploring Operation: 68+87=155, Resulting Numbers: [155] 155,32 unequal: No Solution Exploring Operation: 68*87=5916, Resulting Numbers: [5916] 5916,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 32:[97, 58], Operations: ['73-63=10', '68-10=58'] Exploring Operation: 97-58=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 97+58=155, Resulting Numbers: [155] 155,32 unequal: No Solution Exploring Operation: 97*58=5626, Resulting Numbers: [5626] 5626,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 32:[68, 107], Operations: ['73-63=10', '97+10=107'] Exploring Operation: 68+107=175, Resulting Numbers: [175] 175,32 unequal: No Solution Exploring Operation: 68*107=7276, Resulting Numbers: [7276] 7276,32 unequal: No Solution Exploring Operation: 107-68=39, Resulting Numbers: [39] 39,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 32:[97, 78], Operations: ['73-63=10', '68+10=78'] Exploring Operation: 97-78=19, Resulting Numbers: [19] 19,32 unequal: No Solution Exploring Operation: 97+78=175, Resulting Numbers: [175] 175,32 unequal: No Solution Exploring Operation: 97*78=7566, Resulting Numbers: [7566] 7566,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 66, 86, 76, 99 ]
28
[ "76*99=7524", "7524/66=114", "114-86=28" ]
Current State: 28:[66, 86, 76, 99], Operations: [] Exploring Operation: 76*99=7524, Resulting Numbers: [66, 86, 7524] Generated Node #2: [66, 86, 7524] from Operation: 76*99=7524 Current State: 28:[66, 86, 7524], Operations: ['76*99=7524'] Exploring Operation: 7524/66=114, Resulting Numbers: [86, 114] Generated Node #3: [86, 114] from Operation: 7524/66=114 Current State: 28:[86, 114], Operations: ['76*99=7524', '7524/66=114'] Exploring Operation: 114-86=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[66, 86, 76, 99], Operations: [] Exploring Operation: 99-76=23, Resulting Numbers: [66, 86, 23] Generated Node #0,0: 28:[66, 86, 23] Operation: 99-76=23 Exploring Operation: 99-86=13, Resulting Numbers: [66, 76, 13] Generated Node #0,1: 28:[66, 76, 13] Operation: 99-86=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[66, 76, 13], Operations: ['99-86=13'] Exploring Operation: 76-66=10, Resulting Numbers: [13, 10] Generated Node #0,1,0: 28:[13, 10] Operation: 76-66=10 Exploring Operation: 66-13=53, Resulting Numbers: [76, 53] Generated Node #0,1,1: 28:[76, 53] Operation: 66-13=53 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 28:[13, 10], Operations: ['99-86=13', '76-66=10'] Exploring Operation: 13+10=23, Resulting Numbers: [23] 23,28 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,28 unequal: No Solution No 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: 28:[76, 53], Operations: ['99-86=13', '66-13=53'] Exploring Operation: 76+53=129, Resulting Numbers: [129] 129,28 unequal: No Solution Exploring Operation: 76-53=23, Resulting Numbers: [23] 23,28 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: 28:[66, 86, 23], Operations: ['99-76=23'] Exploring Operation: 66-23=43, Resulting Numbers: [86, 43] Generated Node #0,0,0: 28:[86, 43] Operation: 66-23=43 Exploring Operation: 86-66=20, Resulting Numbers: [23, 20] Generated Node #0,0,1: 28:[23, 20] Operation: 86-66=20 Moving to Node #0,0,1 Current State: 28:[23, 20], Operations: ['99-76=23', '86-66=20'] Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 23+20=43, Resulting Numbers: [43] 43,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[86, 43], Operations: ['99-76=23', '66-23=43'] Exploring Operation: 86/43=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 86-43=43, Resulting Numbers: [43] 43,28 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
[ 81, 9, 2, 23 ]
63
[ "9*23=207", "207-81=126", "126/2=63" ]
Current State: 63:[81, 9, 2, 23], Operations: [] Exploring Operation: 9*23=207, Resulting Numbers: [81, 2, 207] Generated Node #2: [81, 2, 207] from Operation: 9*23=207 Current State: 63:[81, 2, 207], Operations: ['9*23=207'] Exploring Operation: 207-81=126, Resulting Numbers: [2, 126] Generated Node #3: [2, 126] from Operation: 207-81=126 Current State: 63:[2, 126], Operations: ['9*23=207', '207-81=126'] Exploring Operation: 126/2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[81, 9, 2, 23], Operations: [] Exploring Operation: 81-23=58, Resulting Numbers: [9, 2, 58] Generated Node #0,0: 63:[9, 2, 58] Operation: 81-23=58 Exploring Operation: 81/9=9, Resulting Numbers: [2, 23, 9] Generated Node #0,1: 63:[2, 23, 9] Operation: 81/9=9 Exploring Operation: 81-9=72, Resulting Numbers: [2, 23, 72] Generated Node #0,2: 63:[2, 23, 72] Operation: 81-9=72 Exploring Operation: 81-2=79, Resulting Numbers: [9, 23, 79] Generated Node #0,3: 63:[9, 23, 79] Operation: 81-2=79 Moving to Node #0,1 Current State: 63:[2, 23, 9], Operations: ['81/9=9'] Exploring Operation: 9-2=7, Resulting Numbers: [23, 7] Generated Node #0,1,0: 63:[23, 7] Operation: 9-2=7 Exploring Operation: 2+23=25, Resulting Numbers: [9, 25] Generated Node #0,1,1: 63:[9, 25] Operation: 2+23=25 Exploring Operation: 2+9=11, Resulting Numbers: [23, 11] Generated Node #0,1,2: 63:[23, 11] Operation: 2+9=11 Exploring Operation: 23-2=21, Resulting Numbers: [9, 21] Generated Node #0,1,3: 63:[9, 21] Operation: 23-2=21 Moving to Node #0,0 Current State: 63:[9, 2, 58], Operations: ['81-23=58'] Exploring Operation: 2+58=60, Resulting Numbers: [9, 60] Generated Node #0,0,0: 63:[9, 60] Operation: 2+58=60 Exploring Operation: 9+58=67, Resulting Numbers: [2, 67] Generated Node #0,0,1: 63:[2, 67] Operation: 9+58=67 Exploring Operation: 9+2=11, Resulting Numbers: [58, 11] Generated Node #0,0,2: 63:[58, 11] Operation: 9+2=11 Exploring Operation: 9-2=7, Resulting Numbers: [58, 7] Generated Node #0,0,3: 63:[58, 7] Operation: 9-2=7 Moving to Node #0,2 Current State: 63:[2, 23, 72], Operations: ['81-9=72'] Exploring Operation: 2+23=25, Resulting Numbers: [72, 25] Generated Node #0,2,0: 63:[72, 25] Operation: 2+23=25 Exploring Operation: 2+72=74, Resulting Numbers: [23, 74] Generated Node #0,2,1: 63:[23, 74] Operation: 2+72=74 Exploring Operation: 23-2=21, Resulting Numbers: [72, 21] Generated Node #0,2,2: 63:[72, 21] Operation: 23-2=21 Exploring Operation: 72-2=70, Resulting Numbers: [23, 70] Generated Node #0,2,3: 63:[23, 70] Operation: 72-2=70 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 63:[72, 21], Operations: ['81-9=72', '23-2=21'] Exploring Operation: 72-21=51, Resulting Numbers: [51] 51,63 unequal: No Solution Exploring Operation: 72+21=93, Resulting Numbers: [93] 93,63 unequal: No Solution Exploring Operation: 72*21=1512, Resulting Numbers: [1512] 1512,63 unequal: No Solution No 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: 63:[23, 70], Operations: ['81-9=72', '72-2=70'] Exploring Operation: 23+70=93, Resulting Numbers: [93] 93,63 unequal: No Solution Exploring Operation: 23*70=1610, Resulting Numbers: [1610] 1610,63 unequal: No Solution Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,63 unequal: No Solution No 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: 63:[72, 25], Operations: ['81-9=72', '2+23=25'] Exploring Operation: 72+25=97, Resulting Numbers: [97] 97,63 unequal: No Solution Exploring Operation: 72*25=1800, Resulting Numbers: [1800] 1800,63 unequal: No Solution Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,63 unequal: No Solution No 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: 63:[23, 74], Operations: ['81-9=72', '2+72=74'] Exploring Operation: 23+74=97, Resulting Numbers: [97] 97,63 unequal: No Solution Exploring Operation: 23*74=1702, Resulting Numbers: [1702] 1702,63 unequal: No Solution Exploring Operation: 74-23=51, Resulting Numbers: [51] 51,63 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: 63:[9, 23, 79], Operations: ['81-2=79'] Exploring Operation: 79-23=56, Resulting Numbers: [9, 56] Generated Node #0,3,0: 63:[9, 56] Operation: 79-23=56 Exploring Operation: 79-9=70, Resulting Numbers: [23, 70] Generated Node #0,3,1: 63:[23, 70] Operation: 79-9=70 Exploring Operation: 23-9=14, Resulting Numbers: [79, 14] Generated Node #0,3,2: 63:[79, 14] Operation: 23-9=14 Exploring Operation: 9+23=32, Resulting Numbers: [79, 32] Generated Node #0,3,3: 63:[79, 32] Operation: 9+23=32 Moving to Node #0,1,3 Current State: 63:[9, 21], Operations: ['81/9=9', '23-2=21'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,63 unequal: No Solution Moving to Node #0,1,0 Current State: 63:[23, 7], Operations: ['81/9=9', '9-2=7'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,63 unequal: No Solution Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,63 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[9, 60], Operations: ['81-23=58', '2+58=60'] Exploring Operation: 9*60=540, Resulting Numbers: [540] 540,63 unequal: No Solution Exploring Operation: 9+60=69, Resulting Numbers: [69] 69,63 unequal: No Solution Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,63 unequal: No Solution Moving to Node #0,1,1 Current State: 63:[9, 25], Operations: ['81/9=9', '2+23=25'] Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,63 unequal: No Solution Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,63 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,63 unequal: No Solution Moving to Node #0,1,2 Current State: 63:[23, 11], Operations: ['81/9=9', '2+9=11'] Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,63 unequal: No Solution Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,63 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,63 unequal: No Solution Moving to Node #0,0,3 Current State: 63:[58, 7], Operations: ['81-23=58', '9-2=7'] Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,63 unequal: No Solution Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,63 unequal: No Solution Exploring Operation: 58*7=406, Resulting Numbers: [406] 406,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[2, 67], Operations: ['81-23=58', '9+58=67'] Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,63 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,63 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,63 unequal: No Solution Moving to Node #0,3,0 Current State: 63:[9, 56], Operations: ['81-2=79', '79-23=56'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,63 unequal: No Solution Exploring Operation: 9+56=65, Resulting Numbers: [65] 65,63 unequal: No Solution Exploring Operation: 9*56=504, Resulting Numbers: [504] 504,63 unequal: No Solution Moving to Node #0,0,2 Current State: 63:[58, 11], Operations: ['81-23=58', '9+2=11'] Exploring Operation: 58*11=638, Resulting Numbers: [638] 638,63 unequal: No Solution Exploring Operation: 58+11=69, Resulting Numbers: [69] 69,63 unequal: No Solution Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,63 unequal: No Solution Moving to Node #0,3,1 Current State: 63:[23, 70], Operations: ['81-2=79', '79-9=70'] Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,63 unequal: No Solution Exploring Operation: 23*70=1610, Resulting Numbers: [1610] 1610,63 unequal: No Solution Exploring Operation: 23+70=93, Resulting Numbers: [93] 93,63 unequal: No Solution Moving to Node #0,3,2 Current State: 63:[79, 14], Operations: ['81-2=79', '23-9=14'] Exploring Operation: 79-14=65, Resulting Numbers: [65] 65,63 unequal: No Solution Exploring Operation: 79+14=93, Resulting Numbers: [93] 93,63 unequal: No Solution Exploring Operation: 79*14=1106, Resulting Numbers: [1106] 1106,63 unequal: No Solution Moving to Node #0,3,3 Current State: 63:[79, 32], Operations: ['81-2=79', '9+23=32'] Exploring Operation: 79*32=2528, Resulting Numbers: [2528] 2528,63 unequal: No Solution Exploring Operation: 79+32=111, Resulting Numbers: [111] 111,63 unequal: No Solution Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,63 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 50, 67, 82, 61 ]
26
[ "50+67=117", "82+61=143", "143-117=26" ]
Current State: 26:[50, 67, 82, 61], Operations: [] Exploring Operation: 50+67=117, Resulting Numbers: [82, 61, 117] Generated Node #2: [82, 61, 117] from Operation: 50+67=117 Current State: 26:[82, 61, 117], Operations: ['50+67=117'] Exploring Operation: 82+61=143, Resulting Numbers: [117, 143] Generated Node #3: [117, 143] from Operation: 82+61=143 Current State: 26:[117, 143], Operations: ['50+67=117', '82+61=143'] Exploring Operation: 143-117=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[50, 67, 82, 61], Operations: [] Exploring Operation: 82-67=15, Resulting Numbers: [50, 61, 15] Generated Node #0,0: 26:[50, 61, 15] Operation: 82-67=15 Exploring Operation: 82-61=21, Resulting Numbers: [50, 67, 21] Generated Node #0,1: 26:[50, 67, 21] Operation: 82-61=21 Exploring Operation: 67-50=17, Resulting Numbers: [82, 61, 17] Generated Node #0,2: 26:[82, 61, 17] Operation: 67-50=17 Exploring Operation: 67-61=6, Resulting Numbers: [50, 82, 6] Generated Node #0,3: 26:[50, 82, 6] Operation: 67-61=6 Exploring Operation: 82-50=32, Resulting Numbers: [67, 61, 32] Generated Node #0,4: 26:[67, 61, 32] Operation: 82-50=32 Moving to Node #0,0 Current State: 26:[50, 61, 15], Operations: ['82-67=15'] Exploring Operation: 61+15=76, Resulting Numbers: [50, 76] Generated Node #0,0,0: 26:[50, 76] Operation: 61+15=76 Exploring Operation: 50+15=65, Resulting Numbers: [61, 65] Generated Node #0,0,1: 26:[61, 65] Operation: 50+15=65 Exploring Operation: 50-15=35, Resulting Numbers: [61, 35] Generated Node #0,0,2: 26:[61, 35] Operation: 50-15=35 Exploring Operation: 61-15=46, Resulting Numbers: [50, 46] Generated Node #0,0,3: 26:[50, 46] Operation: 61-15=46 Exploring Operation: 61-50=11, Resulting Numbers: [15, 11] Generated Node #0,0,4: 26:[15, 11] Operation: 61-50=11 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 26:[15, 11], Operations: ['82-67=15', '61-50=11'] Exploring Operation: 15*11=165, Resulting Numbers: [165] 165,26 unequal: No Solution Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[50, 67, 82, 61], Operations: [] Exploring Operation: 82-67=15, Resulting Numbers: [50, 61, 15] Generated Node #0,0: 26:[50, 61, 15] Operation: 82-67=15 Moving to Node #0,0 Current State: 26:[50, 61, 15], Operations: ['82-67=15'] Exploring Operation: 61-50=11, Resulting Numbers: [15, 11] Generated Node #0,0,4: 26:[15, 11] Operation: 61-50=11 Moving to Node #0,0,4 Current State: 26:[15, 11], Operations: ['82-67=15', '61-50=11'] Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 11, 39, 3, 31 ]
99
[ "31-11=20", "3*20=60", "39+60=99" ]
Current State: 99:[11, 39, 3, 31], Operations: [] Exploring Operation: 31-11=20, Resulting Numbers: [39, 3, 20] Generated Node #2: [39, 3, 20] from Operation: 31-11=20 Current State: 99:[39, 3, 20], Operations: ['31-11=20'] Exploring Operation: 3*20=60, Resulting Numbers: [39, 60] Generated Node #3: [39, 60] from Operation: 3*20=60 Current State: 99:[39, 60], Operations: ['31-11=20', '3*20=60'] Exploring Operation: 39+60=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[11, 39, 3, 31], Operations: [] Exploring Operation: 39/3=13, Resulting Numbers: [11, 31, 13] Generated Node #0,0: 99:[11, 31, 13] Operation: 39/3=13 Exploring Operation: 39-3=36, Resulting Numbers: [11, 31, 36] Generated Node #0,1: 99:[11, 31, 36] Operation: 39-3=36 Exploring Operation: 39-31=8, Resulting Numbers: [11, 3, 8] Generated Node #0,2: 99:[11, 3, 8] Operation: 39-31=8 Moving to Node #0,2 Current State: 99:[11, 3, 8], Operations: ['39-31=8'] Exploring Operation: 11-8=3, Resulting Numbers: [3, 3] Generated Node #0,2,0: 99:[3, 3] Operation: 11-8=3 Exploring Operation: 3+8=11, Resulting Numbers: [11, 11] Generated Node #0,2,1: 99:[11, 11] Operation: 3+8=11 Exploring Operation: 11*3=33, Resulting Numbers: [8, 33] Generated Node #0,2,2: 99:[8, 33] Operation: 11*3=33 Moving to Node #0,0 Current State: 99:[11, 31, 13], Operations: ['39/3=13'] Exploring Operation: 31-13=18, Resulting Numbers: [11, 18] Generated Node #0,0,0: 99:[11, 18] Operation: 31-13=18 Exploring Operation: 11+31=42, Resulting Numbers: [13, 42] Generated Node #0,0,1: 99:[13, 42] Operation: 11+31=42 Exploring Operation: 13-11=2, Resulting Numbers: [31, 2] Generated Node #0,0,2: 99:[31, 2] Operation: 13-11=2 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 99:[31, 2], Operations: ['39/3=13', '13-11=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,99 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[11, 18], Operations: ['39/3=13', '31-13=18'] Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,99 unequal: No Solution Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,99 unequal: No Solution Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[13, 42], Operations: ['39/3=13', '11+31=42'] Exploring Operation: 13*42=546, Resulting Numbers: [546] 546,99 unequal: No Solution Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,99 unequal: No Solution Exploring Operation: 13+42=55, Resulting Numbers: [55] 55,99 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: 99:[11, 31, 36], Operations: ['39-3=36'] Exploring Operation: 36-11=25, Resulting Numbers: [31, 25] Generated Node #0,1,0: 99:[31, 25] Operation: 36-11=25 Exploring Operation: 36-31=5, Resulting Numbers: [11, 5] Generated Node #0,1,1: 99:[11, 5] Operation: 36-31=5 Exploring Operation: 11+31=42, Resulting Numbers: [36, 42] Generated Node #0,1,2: 99:[36, 42] Operation: 11+31=42 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 99:[11, 5], Operations: ['39-3=36', '36-31=5'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,99 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,99 unequal: No Solution Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 99:[31, 25], Operations: ['39-3=36', '36-11=25'] Exploring Operation: 31*25=775, Resulting Numbers: [775] 775,99 unequal: No Solution Exploring Operation: 31-25=6, Resulting Numbers: [6] 6,99 unequal: No Solution Exploring Operation: 31+25=56, Resulting Numbers: [56] 56,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 99:[36, 42], Operations: ['39-3=36', '11+31=42'] Exploring Operation: 36*42=1512, Resulting Numbers: [1512] 1512,99 unequal: No Solution Exploring Operation: 42-36=6, Resulting Numbers: [6] 6,99 unequal: No Solution Exploring Operation: 36+42=78, Resulting Numbers: [78] 78,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 99:[3, 3], Operations: ['39-31=8', '11-8=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,99 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,99 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,99 unequal: No Solution Moving to Node #0,2,1 Current State: 99:[11, 11], Operations: ['39-31=8', '3+8=11'] Exploring Operation: 11-11=0, Resulting Numbers: [0] 0,99 unequal: No Solution Exploring Operation: 11+11=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 11/11=1, Resulting Numbers: [1] 1,99 unequal: No Solution Moving to Node #0,2,2 Current State: 99:[8, 33], Operations: ['39-31=8', '11*3=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,99 unequal: No Solution Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,99 unequal: No Solution Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,99 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 89, 60, 3, 81 ]
26
[ "81-60=21", "3*21=63", "89-63=26" ]
Current State: 26:[89, 60, 3, 81], Operations: [] Exploring Operation: 81-60=21, Resulting Numbers: [89, 3, 21] Generated Node #2: [89, 3, 21] from Operation: 81-60=21 Current State: 26:[89, 3, 21], Operations: ['81-60=21'] Exploring Operation: 3*21=63, Resulting Numbers: [89, 63] Generated Node #3: [89, 63] from Operation: 3*21=63 Current State: 26:[89, 63], Operations: ['81-60=21', '3*21=63'] Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[89, 60, 3, 81], Operations: [] Exploring Operation: 89-60=29, Resulting Numbers: [3, 81, 29] Generated Node #0,0: 26:[3, 81, 29] Operation: 89-60=29 Exploring Operation: 81/3=27, Resulting Numbers: [89, 60, 27] Generated Node #0,1: 26:[89, 60, 27] Operation: 81/3=27 Exploring Operation: 81-60=21, Resulting Numbers: [89, 3, 21] Generated Node #0,2: 26:[89, 3, 21] Operation: 81-60=21 Exploring Operation: 89-81=8, Resulting Numbers: [60, 3, 8] Generated Node #0,3: 26:[60, 3, 8] Operation: 89-81=8 Moving to Node #0,3 Current State: 26:[60, 3, 8], Operations: ['89-81=8'] Exploring Operation: 60-3=57, Resulting Numbers: [8, 57] Generated Node #0,3,0: 26:[8, 57] Operation: 60-3=57 Exploring Operation: 3+8=11, Resulting Numbers: [60, 11] Generated Node #0,3,1: 26:[60, 11] Operation: 3+8=11 Exploring Operation: 60/3=20, Resulting Numbers: [8, 20] Generated Node #0,3,2: 26:[8, 20] Operation: 60/3=20 Exploring Operation: 60-8=52, Resulting Numbers: [3, 52] Generated Node #0,3,3: 26:[3, 52] Operation: 60-8=52 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 26:[8, 20], Operations: ['89-81=8', '60/3=20'] Exploring Operation: 8+20=28, Resulting Numbers: [28] 28,26 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,26 unequal: No Solution Exploring Operation: 8*20=160, Resulting Numbers: [160] 160,26 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:[3, 52], Operations: ['89-81=8', '60-8=52'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,26 unequal: No Solution Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,26 unequal: No Solution Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,26 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:[8, 57], Operations: ['89-81=8', '60-3=57'] Exploring Operation: 57-8=49, Resulting Numbers: [49] 49,26 unequal: No Solution Exploring Operation: 8+57=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 8*57=456, Resulting Numbers: [456] 456,26 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 #0,3,1 Current State: 26:[60, 11], Operations: ['89-81=8', '3+8=11'] Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 60*11=660, Resulting Numbers: [660] 660,26 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,26 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: 26:[3, 81, 29], Operations: ['89-60=29'] Exploring Operation: 81-3=78, Resulting Numbers: [29, 78] Generated Node #0,0,0: 26:[29, 78] Operation: 81-3=78 Exploring Operation: 29-3=26, Resulting Numbers: [81, 26] Generated Node #0,0,1: 26:[81, 26] Operation: 29-3=26 Exploring Operation: 81-29=52, Resulting Numbers: [3, 52] Generated Node #0,0,2: 26:[3, 52] Operation: 81-29=52 Exploring Operation: 81/3=27, Resulting Numbers: [29, 27] Generated Node #0,0,3: 26:[29, 27] Operation: 81/3=27 Moving to Node #0,2 Current State: 26:[89, 3, 21], Operations: ['81-60=21'] Exploring Operation: 89-21=68, Resulting Numbers: [3, 68] Generated Node #0,2,0: 26:[3, 68] Operation: 89-21=68 Exploring Operation: 21-3=18, Resulting Numbers: [89, 18] Generated Node #0,2,1: 26:[89, 18] Operation: 21-3=18 Exploring Operation: 3+21=24, Resulting Numbers: [89, 24] Generated Node #0,2,2: 26:[89, 24] Operation: 3+21=24 Exploring Operation: 89-3=86, Resulting Numbers: [21, 86] Generated Node #0,2,3: 26:[21, 86] Operation: 89-3=86 Moving to Node #0,1 Current State: 26:[89, 60, 27], Operations: ['81/3=27'] Exploring Operation: 60-27=33, Resulting Numbers: [89, 33] Generated Node #0,1,0: 26:[89, 33] Operation: 60-27=33 Exploring Operation: 89-27=62, Resulting Numbers: [60, 62] Generated Node #0,1,1: 26:[60, 62] Operation: 89-27=62 Exploring Operation: 89-60=29, Resulting Numbers: [27, 29] Generated Node #0,1,2: 26:[27, 29] Operation: 89-60=29 Exploring Operation: 89+60=149, Resulting Numbers: [27, 149] Generated Node #0,1,3: 26:[27, 149] Operation: 89+60=149 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 26:[27, 29], Operations: ['81/3=27', '89-60=29'] Exploring Operation: 27+29=56, Resulting Numbers: [56] 56,26 unequal: No Solution Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 27*29=783, Resulting Numbers: [783] 783,26 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 #0,1,0 Current State: 26:[89, 33], Operations: ['81/3=27', '60-27=33'] Exploring Operation: 89*33=2937, Resulting Numbers: [2937] 2937,26 unequal: No Solution Exploring Operation: 89-33=56, Resulting Numbers: [56] 56,26 unequal: No Solution Exploring Operation: 89+33=122, Resulting Numbers: [122] 122,26 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 #0,1,1 Current State: 26:[60, 62], Operations: ['81/3=27', '89-27=62'] Exploring Operation: 60+62=122, Resulting Numbers: [122] 122,26 unequal: No Solution Exploring Operation: 60*62=3720, Resulting Numbers: [3720] 3720,26 unequal: No Solution Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,26 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 #0,1,3 Current State: 26:[27, 149], Operations: ['81/3=27', '89+60=149'] Exploring Operation: 27+149=176, Resulting Numbers: [176] 176,26 unequal: No Solution Exploring Operation: 149-27=122, Resulting Numbers: [122] 122,26 unequal: No Solution Exploring Operation: 27*149=4023, Resulting Numbers: [4023] 4023,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 26:[29, 27], Operations: ['89-60=29', '81/3=27'] Exploring Operation: 29*27=783, Resulting Numbers: [783] 783,26 unequal: No Solution Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[3, 52], Operations: ['89-60=29', '81-29=52'] Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,26 unequal: No Solution Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,26 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,26 unequal: No Solution Moving to Node #0,2,0 Current State: 26:[3, 68], Operations: ['81-60=21', '89-21=68'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 3+68=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 3*68=204, Resulting Numbers: [204] 204,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[29, 78], Operations: ['89-60=29', '81-3=78'] Exploring Operation: 29+78=107, Resulting Numbers: [107] 107,26 unequal: No Solution Exploring Operation: 29*78=2262, Resulting Numbers: [2262] 2262,26 unequal: No Solution Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[81, 26], Operations: ['89-60=29', '29-3=26'] Exploring Operation: 81*26=2106, Resulting Numbers: [2106] 2106,26 unequal: No Solution Exploring Operation: 81-26=55, Resulting Numbers: [55] 55,26 unequal: No Solution Exploring Operation: 81+26=107, Resulting Numbers: [107] 107,26 unequal: No Solution Moving to Node #0,2,2 Current State: 26:[89, 24], Operations: ['81-60=21', '3+21=24'] Exploring Operation: 89*24=2136, Resulting Numbers: [2136] 2136,26 unequal: No Solution Exploring Operation: 89-24=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 89+24=113, Resulting Numbers: [113] 113,26 unequal: No Solution Moving to Node #0,2,3 Current State: 26:[21, 86], Operations: ['81-60=21', '89-3=86'] Exploring Operation: 21*86=1806, Resulting Numbers: [1806] 1806,26 unequal: No Solution Exploring Operation: 86-21=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 21+86=107, Resulting Numbers: [107] 107,26 unequal: No Solution Moving to Node #0,2,1 Current State: 26:[89, 18], Operations: ['81-60=21', '21-3=18'] Exploring Operation: 89*18=1602, Resulting Numbers: [1602] 1602,26 unequal: No Solution Exploring Operation: 89+18=107, Resulting Numbers: [107] 107,26 unequal: No Solution Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,26 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 44, 56, 80, 66 ]
40
[ "80-66=14", "56/14=4", "44-4=40" ]
Current State: 40:[44, 56, 80, 66], Operations: [] Exploring Operation: 80-66=14, Resulting Numbers: [44, 56, 14] Generated Node #2: [44, 56, 14] from Operation: 80-66=14 Current State: 40:[44, 56, 14], Operations: ['80-66=14'] Exploring Operation: 56/14=4, Resulting Numbers: [44, 4] Generated Node #3: [44, 4] from Operation: 56/14=4 Current State: 40:[44, 4], Operations: ['80-66=14', '56/14=4'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[44, 56, 80, 66], Operations: [] Exploring Operation: 80-66=14, Resulting Numbers: [44, 56, 14] Generated Node #0,0: 40:[44, 56, 14] Operation: 80-66=14 Exploring Operation: 66-56=10, Resulting Numbers: [44, 80, 10] Generated Node #0,1: 40:[44, 80, 10] Operation: 66-56=10 Exploring Operation: 80-56=24, Resulting Numbers: [44, 66, 24] Generated Node #0,2: 40:[44, 66, 24] Operation: 80-56=24 Moving to Node #0,0 Current State: 40:[44, 56, 14], Operations: ['80-66=14'] Exploring Operation: 56-14=42, Resulting Numbers: [44, 42] Generated Node #0,0,0: 40:[44, 42] Operation: 56-14=42 Exploring Operation: 56-44=12, Resulting Numbers: [14, 12] Generated Node #0,0,1: 40:[14, 12] Operation: 56-44=12 Exploring Operation: 56/14=4, Resulting Numbers: [44, 4] Generated Node #0,0,2: 40:[44, 4] Operation: 56/14=4 Moving to Node #0,2 Current State: 40:[44, 66, 24], Operations: ['80-56=24'] Exploring Operation: 44-24=20, Resulting Numbers: [66, 20] Generated Node #0,2,0: 40:[66, 20] Operation: 44-24=20 Exploring Operation: 66-44=22, Resulting Numbers: [24, 22] Generated Node #0,2,1: 40:[24, 22] Operation: 66-44=22 Exploring Operation: 66-24=42, Resulting Numbers: [44, 42] Generated Node #0,2,2: 40:[44, 42] Operation: 66-24=42 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 40:[24, 22], Operations: ['80-56=24', '66-44=22'] Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 24*22=528, Resulting Numbers: [528] 528,40 unequal: No Solution Exploring Operation: 24+22=46, Resulting Numbers: [46] 46,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 40:[44, 42], Operations: ['80-56=24', '66-24=42'] Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 44*42=1848, Resulting Numbers: [1848] 1848,40 unequal: No Solution Exploring Operation: 44+42=86, Resulting Numbers: [86] 86,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 40:[66, 20], Operations: ['80-56=24', '44-24=20'] Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,40 unequal: No Solution Exploring Operation: 66+20=86, Resulting Numbers: [86] 86,40 unequal: No Solution Exploring Operation: 66*20=1320, Resulting Numbers: [1320] 1320,40 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: 40:[44, 80, 10], Operations: ['66-56=10'] Exploring Operation: 80/10=8, Resulting Numbers: [44, 8] Generated Node #0,1,0: 40:[44, 8] Operation: 80/10=8 Exploring Operation: 80-10=70, Resulting Numbers: [44, 70] Generated Node #0,1,1: 40:[44, 70] Operation: 80-10=70 Exploring Operation: 80-44=36, Resulting Numbers: [10, 36] Generated Node #0,1,2: 40:[10, 36] Operation: 80-44=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 40:[44, 8], Operations: ['66-56=10', '80/10=8'] Exploring Operation: 44*8=352, Resulting Numbers: [352] 352,40 unequal: No Solution Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,40 unequal: No Solution Exploring Operation: 44+8=52, Resulting Numbers: [52] 52,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 40:[10, 36], Operations: ['66-56=10', '80-44=36'] Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,40 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,40 unequal: No Solution Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 40:[44, 70], Operations: ['66-56=10', '80-10=70'] Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,40 unequal: No Solution Exploring Operation: 44+70=114, Resulting Numbers: [114] 114,40 unequal: No Solution Exploring Operation: 44*70=3080, Resulting Numbers: [3080] 3080,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 40:[44, 4], Operations: ['80-66=14', '56/14=4'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,40 unequal: No Solution Exploring Operation: 44+4=48, Resulting Numbers: [48] 48,40 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[44, 56, 80, 66], Operations: [] Exploring Operation: 80-66=14, Resulting Numbers: [44, 56, 14] Generated Node #0,0: 40:[44, 56, 14] Operation: 80-66=14 Moving to Node #0,0 Current State: 40:[44, 56, 14], Operations: ['80-66=14'] Exploring Operation: 56/14=4, Resulting Numbers: [44, 4] Generated Node #0,0,2: 40:[44, 4] Operation: 56/14=4 Moving to Node #0,0,2 Current State: 40:[44, 4], Operations: ['80-66=14', '56/14=4'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
0.967882
hs_3
mult_heuristic
[ 10, 97, 78, 62 ]
83
[ "78+62=140", "140/10=14", "97-14=83" ]
Current State: 83:[10, 97, 78, 62], Operations: [] Exploring Operation: 78+62=140, Resulting Numbers: [10, 97, 140] Generated Node #2: [10, 97, 140] from Operation: 78+62=140 Current State: 83:[10, 97, 140], Operations: ['78+62=140'] Exploring Operation: 140/10=14, Resulting Numbers: [97, 14] Generated Node #3: [97, 14] from Operation: 140/10=14 Current State: 83:[97, 14], Operations: ['78+62=140', '140/10=14'] Exploring Operation: 97-14=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[10, 97, 78, 62], Operations: [] Exploring Operation: 78-10=68, Resulting Numbers: [97, 62, 68] Generated Node #0,0: 83:[97, 62, 68] Operation: 78-10=68 Exploring Operation: 10+78=88, Resulting Numbers: [97, 62, 88] Generated Node #0,1: 83:[97, 62, 88] Operation: 10+78=88 Exploring Operation: 10+62=72, Resulting Numbers: [97, 78, 72] Generated Node #0,2: 83:[97, 78, 72] Operation: 10+62=72 Exploring Operation: 10+97=107, Resulting Numbers: [78, 62, 107] Generated Node #0,3: 83:[78, 62, 107] Operation: 10+97=107 Exploring Operation: 97-10=87, Resulting Numbers: [78, 62, 87] Generated Node #0,4: 83:[78, 62, 87] Operation: 97-10=87 Moving to Node #0,2 Current State: 83:[97, 78, 72], Operations: ['10+62=72'] Exploring Operation: 97-72=25, Resulting Numbers: [78, 25] Generated Node #0,2,0: 83:[78, 25] Operation: 97-72=25 Exploring Operation: 97+72=169, Resulting Numbers: [78, 169] Generated Node #0,2,1: 83:[78, 169] Operation: 97+72=169 Exploring Operation: 97-78=19, Resulting Numbers: [72, 19] Generated Node #0,2,2: 83:[72, 19] Operation: 97-78=19 Exploring Operation: 78+72=150, Resulting Numbers: [97, 150] Generated Node #0,2,3: 83:[97, 150] Operation: 78+72=150 Exploring Operation: 78-72=6, Resulting Numbers: [97, 6] Generated Node #0,2,4: 83:[97, 6] Operation: 78-72=6 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 83:[78, 25], Operations: ['10+62=72', '97-72=25'] Exploring Operation: 78+25=103, Resulting Numbers: [103] 103,83 unequal: No Solution Exploring Operation: 78*25=1950, Resulting Numbers: [1950] 1950,83 unequal: No Solution Exploring Operation: 78-25=53, Resulting Numbers: [53] 53,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 83:[72, 19], Operations: ['10+62=72', '97-78=19'] Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,83 unequal: No Solution Exploring Operation: 72+19=91, Resulting Numbers: [91] 91,83 unequal: No Solution Exploring Operation: 72*19=1368, Resulting Numbers: [1368] 1368,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 83:[97, 150], Operations: ['10+62=72', '78+72=150'] Exploring Operation: 97*150=14550, Resulting Numbers: [14550] 14550,83 unequal: No Solution Exploring Operation: 150-97=53, Resulting Numbers: [53] 53,83 unequal: No Solution Exploring Operation: 97+150=247, Resulting Numbers: [247] 247,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 83:[78, 169], Operations: ['10+62=72', '97+72=169'] Exploring Operation: 78*169=13182, Resulting Numbers: [13182] 13182,83 unequal: No Solution Exploring Operation: 78+169=247, Resulting Numbers: [247] 247,83 unequal: No Solution Exploring Operation: 169-78=91, Resulting Numbers: [91] 91,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 83:[97, 6], Operations: ['10+62=72', '78-72=6'] Exploring Operation: 97+6=103, Resulting Numbers: [103] 103,83 unequal: No Solution Exploring Operation: 97*6=582, Resulting Numbers: [582] 582,83 unequal: No Solution Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,83 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: 83:[78, 62, 87], Operations: ['97-10=87'] Exploring Operation: 87-78=9, Resulting Numbers: [62, 9] Generated Node #0,4,0: 83:[62, 9] Operation: 87-78=9 Exploring Operation: 62+87=149, Resulting Numbers: [78, 149] Generated Node #0,4,1: 83:[78, 149] Operation: 62+87=149 Exploring Operation: 78+62=140, Resulting Numbers: [87, 140] Generated Node #0,4,2: 83:[87, 140] Operation: 78+62=140 Exploring Operation: 87-62=25, Resulting Numbers: [78, 25] Generated Node #0,4,3: 83:[78, 25] Operation: 87-62=25 Exploring Operation: 78-62=16, Resulting Numbers: [87, 16] Generated Node #0,4,4: 83:[87, 16] Operation: 78-62=16 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 83:[87, 140], Operations: ['97-10=87', '78+62=140'] Exploring Operation: 140-87=53, Resulting Numbers: [53] 53,83 unequal: No Solution Exploring Operation: 87*140=12180, Resulting Numbers: [12180] 12180,83 unequal: No Solution Exploring Operation: 87+140=227, Resulting Numbers: [227] 227,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 83:[78, 25], Operations: ['97-10=87', '87-62=25'] Exploring Operation: 78-25=53, Resulting Numbers: [53] 53,83 unequal: No Solution Exploring Operation: 78*25=1950, Resulting Numbers: [1950] 1950,83 unequal: No Solution Exploring Operation: 78+25=103, Resulting Numbers: [103] 103,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 83:[78, 149], Operations: ['97-10=87', '62+87=149'] Exploring Operation: 78+149=227, Resulting Numbers: [227] 227,83 unequal: No Solution Exploring Operation: 149-78=71, Resulting Numbers: [71] 71,83 unequal: No Solution Exploring Operation: 78*149=11622, Resulting Numbers: [11622] 11622,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 83:[87, 16], Operations: ['97-10=87', '78-62=16'] Exploring Operation: 87+16=103, Resulting Numbers: [103] 103,83 unequal: No Solution Exploring Operation: 87*16=1392, Resulting Numbers: [1392] 1392,83 unequal: No Solution Exploring Operation: 87-16=71, Resulting Numbers: [71] 71,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 83:[62, 9], Operations: ['97-10=87', '87-78=9'] Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,83 unequal: No Solution Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,83 unequal: No Solution Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,83 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: 83:[97, 62, 88], Operations: ['10+78=88'] Exploring Operation: 97-88=9, Resulting Numbers: [62, 9] Generated Node #0,1,0: 83:[62, 9] Operation: 97-88=9 Exploring Operation: 97+62=159, Resulting Numbers: [88, 159] Generated Node #0,1,1: 83:[88, 159] Operation: 97+62=159 Exploring Operation: 62+88=150, Resulting Numbers: [97, 150] Generated Node #0,1,2: 83:[97, 150] Operation: 62+88=150 Exploring Operation: 88-62=26, Resulting Numbers: [97, 26] Generated Node #0,1,3: 83:[97, 26] Operation: 88-62=26 Exploring Operation: 97-62=35, Resulting Numbers: [88, 35] Generated Node #0,1,4: 83:[88, 35] Operation: 97-62=35 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 83:[88, 35], Operations: ['10+78=88', '97-62=35'] Exploring Operation: 88+35=123, Resulting Numbers: [123] 123,83 unequal: No Solution Exploring Operation: 88*35=3080, Resulting Numbers: [3080] 3080,83 unequal: No Solution Exploring Operation: 88-35=53, Resulting Numbers: [53] 53,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 83:[97, 26], Operations: ['10+78=88', '88-62=26'] Exploring Operation: 97-26=71, Resulting Numbers: [71] 71,83 unequal: No Solution Exploring Operation: 97+26=123, Resulting Numbers: [123] 123,83 unequal: No Solution Exploring Operation: 97*26=2522, Resulting Numbers: [2522] 2522,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 83:[88, 159], Operations: ['10+78=88', '97+62=159'] Exploring Operation: 88+159=247, Resulting Numbers: [247] 247,83 unequal: No Solution Exploring Operation: 88*159=13992, Resulting Numbers: [13992] 13992,83 unequal: No Solution Exploring Operation: 159-88=71, Resulting Numbers: [71] 71,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 83:[97, 150], Operations: ['10+78=88', '62+88=150'] Exploring Operation: 97*150=14550, Resulting Numbers: [14550] 14550,83 unequal: No Solution Exploring Operation: 97+150=247, Resulting Numbers: [247] 247,83 unequal: No Solution Exploring Operation: 150-97=53, Resulting Numbers: [53] 53,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[62, 9], Operations: ['10+78=88', '97-88=9'] Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,83 unequal: No Solution Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,83 unequal: No Solution Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,83 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: 83:[97, 62, 68], Operations: ['78-10=68'] Exploring Operation: 97-62=35, Resulting Numbers: [68, 35] Generated Node #0,0,0: 83:[68, 35] Operation: 97-62=35 Exploring Operation: 62+68=130, Resulting Numbers: [97, 130] Generated Node #0,0,1: 83:[97, 130] Operation: 62+68=130 Exploring Operation: 97-68=29, Resulting Numbers: [62, 29] Generated Node #0,0,2: 83:[62, 29] Operation: 97-68=29 Exploring Operation: 97+62=159, Resulting Numbers: [68, 159] Generated Node #0,0,3: 83:[68, 159] Operation: 97+62=159 Exploring Operation: 68-62=6, Resulting Numbers: [97, 6] Generated Node #0,0,4: 83:[97, 6] Operation: 68-62=6 Moving to Node #0,3 Current State: 83:[78, 62, 107], Operations: ['10+97=107'] Exploring Operation: 107-78=29, Resulting Numbers: [62, 29] Generated Node #0,3,0: 83:[62, 29] Operation: 107-78=29 Exploring Operation: 78+62=140, Resulting Numbers: [107, 140] Generated Node #0,3,1: 83:[107, 140] Operation: 78+62=140 Exploring Operation: 62+107=169, Resulting Numbers: [78, 169] Generated Node #0,3,2: 83:[78, 169] Operation: 62+107=169 Exploring Operation: 78-62=16, Resulting Numbers: [107, 16] Generated Node #0,3,3: 83:[107, 16] Operation: 78-62=16 Exploring Operation: 107-62=45, Resulting Numbers: [78, 45] Generated Node #0,3,4: 83:[78, 45] Operation: 107-62=45 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 83:[78, 45], Operations: ['10+97=107', '107-62=45'] Exploring Operation: 78-45=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 78+45=123, Resulting Numbers: [123] 123,83 unequal: No Solution Exploring Operation: 78*45=3510, Resulting Numbers: [3510] 3510,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 83:[62, 29], Operations: ['10+97=107', '107-78=29'] Exploring Operation: 62*29=1798, Resulting Numbers: [1798] 1798,83 unequal: No Solution Exploring Operation: 62+29=91, Resulting Numbers: [91] 91,83 unequal: No Solution Exploring Operation: 62-29=33, Resulting Numbers: [33] 33,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 83:[107, 140], Operations: ['10+97=107', '78+62=140'] Exploring Operation: 140-107=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 107+140=247, Resulting Numbers: [247] 247,83 unequal: No Solution Exploring Operation: 107*140=14980, Resulting Numbers: [14980] 14980,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 83:[78, 169], Operations: ['10+97=107', '62+107=169'] Exploring Operation: 169-78=91, Resulting Numbers: [91] 91,83 unequal: No Solution Exploring Operation: 78+169=247, Resulting Numbers: [247] 247,83 unequal: No Solution Exploring Operation: 78*169=13182, Resulting Numbers: [13182] 13182,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 83:[107, 16], Operations: ['10+97=107', '78-62=16'] Exploring Operation: 107*16=1712, Resulting Numbers: [1712] 1712,83 unequal: No Solution Exploring Operation: 107+16=123, Resulting Numbers: [123] 123,83 unequal: No Solution Exploring Operation: 107-16=91, Resulting Numbers: [91] 91,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 83:[97, 130], Operations: ['78-10=68', '62+68=130'] Exploring Operation: 97+130=227, Resulting Numbers: [227] 227,83 unequal: No Solution Exploring Operation: 97*130=12610, Resulting Numbers: [12610] 12610,83 unequal: No Solution Exploring Operation: 130-97=33, Resulting Numbers: [33] 33,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[68, 35], Operations: ['78-10=68', '97-62=35'] Exploring Operation: 68*35=2380, Resulting Numbers: [2380] 2380,83 unequal: No Solution Exploring Operation: 68+35=103, Resulting Numbers: [103] 103,83 unequal: No Solution Exploring Operation: 68-35=33, Resulting Numbers: [33] 33,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[62, 29], Operations: ['78-10=68', '97-68=29'] Exploring Operation: 62+29=91, Resulting Numbers: [91] 91,83 unequal: No Solution Exploring Operation: 62*29=1798, Resulting Numbers: [1798] 1798,83 unequal: No Solution Exploring Operation: 62-29=33, Resulting Numbers: [33] 33,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[68, 159], Operations: ['78-10=68', '97+62=159'] Exploring Operation: 68+159=227, Resulting Numbers: [227] 227,83 unequal: No Solution Exploring Operation: 159-68=91, Resulting Numbers: [91] 91,83 unequal: No Solution Exploring Operation: 68*159=10812, Resulting Numbers: [10812] 10812,83 unequal: No Solution Moving to Node #0,0,4 Current State: 83:[97, 6], Operations: ['78-10=68', '68-62=6'] Exploring Operation: 97*6=582, Resulting Numbers: [582] 582,83 unequal: No Solution Exploring Operation: 97+6=103, Resulting Numbers: [103] 103,83 unequal: No Solution Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,83 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 92, 56, 89, 29 ]
30
[ "92+56=148", "89+29=118", "148-118=30" ]
Current State: 30:[92, 56, 89, 29], Operations: [] Exploring Operation: 92+56=148, Resulting Numbers: [89, 29, 148] Generated Node #2: [89, 29, 148] from Operation: 92+56=148 Current State: 30:[89, 29, 148], Operations: ['92+56=148'] Exploring Operation: 89+29=118, Resulting Numbers: [148, 118] Generated Node #3: [148, 118] from Operation: 89+29=118 Current State: 30:[148, 118], Operations: ['92+56=148', '89+29=118'] Exploring Operation: 148-118=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[92, 56, 89, 29], Operations: [] Exploring Operation: 92-89=3, Resulting Numbers: [56, 29, 3] Generated Node #0,0: 30:[56, 29, 3] Operation: 92-89=3 Exploring Operation: 89-29=60, Resulting Numbers: [92, 56, 60] Generated Node #0,1: 30:[92, 56, 60] Operation: 89-29=60 Exploring Operation: 92-56=36, Resulting Numbers: [89, 29, 36] Generated Node #0,2: 30:[89, 29, 36] Operation: 92-56=36 Exploring Operation: 92-29=63, Resulting Numbers: [56, 89, 63] Generated Node #0,3: 30:[56, 89, 63] Operation: 92-29=63 Exploring Operation: 89-56=33, Resulting Numbers: [92, 29, 33] Generated Node #0,4: 30:[92, 29, 33] Operation: 89-56=33 Moving to Node #0,0 Current State: 30:[56, 29, 3], Operations: ['92-89=3'] Exploring Operation: 56-29=27, Resulting Numbers: [3, 27] Generated Node #0,0,0: 30:[3, 27] Operation: 56-29=27 Exploring Operation: 56-3=53, Resulting Numbers: [29, 53] Generated Node #0,0,1: 30:[29, 53] Operation: 56-3=53 Exploring Operation: 29-3=26, Resulting Numbers: [56, 26] Generated Node #0,0,2: 30:[56, 26] Operation: 29-3=26 Exploring Operation: 29+3=32, Resulting Numbers: [56, 32] Generated Node #0,0,3: 30:[56, 32] Operation: 29+3=32 Exploring Operation: 56+3=59, Resulting Numbers: [29, 59] Generated Node #0,0,4: 30:[29, 59] Operation: 56+3=59 Moving to Node #0,4 Current State: 30:[92, 29, 33], Operations: ['89-56=33'] Exploring Operation: 92-33=59, Resulting Numbers: [29, 59] Generated Node #0,4,0: 30:[29, 59] Operation: 92-33=59 Exploring Operation: 92+29=121, Resulting Numbers: [33, 121] Generated Node #0,4,1: 30:[33, 121] Operation: 92+29=121 Exploring Operation: 33-29=4, Resulting Numbers: [92, 4] Generated Node #0,4,2: 30:[92, 4] Operation: 33-29=4 Exploring Operation: 29+33=62, Resulting Numbers: [92, 62] Generated Node #0,4,3: 30:[92, 62] Operation: 29+33=62 Exploring Operation: 92-29=63, Resulting Numbers: [33, 63] Generated Node #0,4,4: 30:[33, 63] Operation: 92-29=63 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 30:[29, 59], Operations: ['89-56=33', '92-33=59'] Exploring Operation: 29*59=1711, Resulting Numbers: [1711] 1711,30 unequal: No Solution Exploring Operation: 29+59=88, Resulting Numbers: [88] 88,30 unequal: No Solution Exploring Operation: 59-29=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[92, 56, 89, 29], Operations: [] Exploring Operation: 89-56=33, Resulting Numbers: [92, 29, 33] Generated Node #0,4: 30:[92, 29, 33] Operation: 89-56=33 Moving to Node #0,4 Current State: 30:[92, 29, 33], Operations: ['89-56=33'] Exploring Operation: 92-33=59, Resulting Numbers: [29, 59] Generated Node #0,4,0: 30:[29, 59] Operation: 92-33=59 Moving to Node #0,4,0 Current State: 30:[29, 59], Operations: ['89-56=33', '92-33=59'] Exploring Operation: 59-29=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 32, 34, 36, 66 ]
64
[ "32+36=68", "68/34=2", "66-2=64" ]
Current State: 64:[32, 34, 36, 66], Operations: [] Exploring Operation: 32+36=68, Resulting Numbers: [34, 66, 68] Generated Node #2: [34, 66, 68] from Operation: 32+36=68 Current State: 64:[34, 66, 68], Operations: ['32+36=68'] Exploring Operation: 68/34=2, Resulting Numbers: [66, 2] Generated Node #3: [66, 2] from Operation: 68/34=2 Current State: 64:[66, 2], Operations: ['32+36=68', '68/34=2'] Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[32, 34, 36, 66], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [34, 66, 4] Generated Node #0,0: 64:[34, 66, 4] Operation: 36-32=4 Exploring Operation: 66-34=32, Resulting Numbers: [32, 36, 32] Generated Node #0,1: 64:[32, 36, 32] Operation: 66-34=32 Exploring Operation: 36-34=2, Resulting Numbers: [32, 66, 2] Generated Node #0,2: 64:[32, 66, 2] Operation: 36-34=2 Moving to Node #0,2 Current State: 64:[32, 66, 2], Operations: ['36-34=2'] Exploring Operation: 66-2=64, Resulting Numbers: [32, 64] Generated Node #0,2,0: 64:[32, 64] Operation: 66-2=64 Exploring Operation: 66/2=33, Resulting Numbers: [32, 33] Generated Node #0,2,1: 64:[32, 33] Operation: 66/2=33 Exploring Operation: 66-32=34, Resulting Numbers: [2, 34] Generated Node #0,2,2: 64:[2, 34] Operation: 66-32=34 Moving to Node #0,0 Current State: 64:[34, 66, 4], Operations: ['36-32=4'] Exploring Operation: 66-34=32, Resulting Numbers: [4, 32] Generated Node #0,0,0: 64:[4, 32] Operation: 66-34=32 Exploring Operation: 34-4=30, Resulting Numbers: [66, 30] Generated Node #0,0,1: 64:[66, 30] Operation: 34-4=30 Exploring Operation: 66-4=62, Resulting Numbers: [34, 62] Generated Node #0,0,2: 64:[34, 62] Operation: 66-4=62 Moving to Node #0,1 Current State: 64:[32, 36, 32], Operations: ['66-34=32'] Exploring Operation: 32+36=68, Resulting Numbers: [32, 68] Generated Node #0,1,0: 64:[32, 68] Operation: 32+36=68 Exploring Operation: 36-32=4, Resulting Numbers: [32, 4] Generated Node #0,1,1: 64:[32, 4] Operation: 36-32=4 Exploring Operation: 36-32=4, Resulting Numbers: [32, 4] Generated Node #0,1,2: 64:[32, 4] Operation: 36-32=4 Moving to Node #0,2,0 Current State: 64:[32, 64], Operations: ['36-34=2', '66-2=64'] Exploring Operation: 64/32=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 32+64=96, Resulting Numbers: [96] 96,64 unequal: No Solution Exploring Operation: 64-32=32, Resulting Numbers: [32] 32,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[32, 4], Operations: ['66-34=32', '36-32=4'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,64 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,64 unequal: No Solution Moving to Node #0,0,0 Current State: 64:[4, 32], Operations: ['36-32=4', '66-34=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,64 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,64 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,64 unequal: No Solution Moving to Node #0,1,2 Current State: 64:[32, 4], Operations: ['66-34=32', '36-32=4'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,64 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,64 unequal: No Solution Moving to Node #0,2,1 Current State: 64:[32, 33], Operations: ['36-34=2', '66/2=33'] Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,64 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,64 unequal: No Solution Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[2, 34], Operations: ['36-34=2', '66-32=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,64 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,64 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,64 unequal: No Solution Moving to Node #0,0,2 Current State: 64:[34, 62], Operations: ['36-32=4', '66-4=62'] Exploring Operation: 62-34=28, Resulting Numbers: [28] 28,64 unequal: No Solution Exploring Operation: 34*62=2108, Resulting Numbers: [2108] 2108,64 unequal: No Solution Exploring Operation: 34+62=96, Resulting Numbers: [96] 96,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[66, 30], Operations: ['36-32=4', '34-4=30'] Exploring Operation: 66+30=96, Resulting Numbers: [96] 96,64 unequal: No Solution Exploring Operation: 66*30=1980, Resulting Numbers: [1980] 1980,64 unequal: No Solution Exploring Operation: 66-30=36, Resulting Numbers: [36] 36,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[32, 68], Operations: ['66-34=32', '32+36=68'] Exploring Operation: 32*68=2176, Resulting Numbers: [2176] 2176,64 unequal: No Solution Exploring Operation: 32+68=100, Resulting Numbers: [100] 100,64 unequal: No Solution Exploring Operation: 68-32=36, Resulting Numbers: [36] 36,64 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 6, 39, 20, 15 ]
68
[ "39-6=33", "20+15=35", "33+35=68" ]
Current State: 68:[6, 39, 20, 15], Operations: [] Exploring Operation: 39-6=33, Resulting Numbers: [20, 15, 33] Generated Node #2: [20, 15, 33] from Operation: 39-6=33 Current State: 68:[20, 15, 33], Operations: ['39-6=33'] Exploring Operation: 20+15=35, Resulting Numbers: [33, 35] Generated Node #3: [33, 35] from Operation: 20+15=35 Current State: 68:[33, 35], Operations: ['39-6=33', '20+15=35'] Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[6, 39, 20, 15], Operations: [] Exploring Operation: 20-15=5, Resulting Numbers: [6, 39, 5] Generated Node #0,0: 68:[6, 39, 5] Operation: 20-15=5 Exploring Operation: 39-6=33, Resulting Numbers: [20, 15, 33] Generated Node #0,1: 68:[20, 15, 33] Operation: 39-6=33 Exploring Operation: 39-20=19, Resulting Numbers: [6, 15, 19] Generated Node #0,2: 68:[6, 15, 19] Operation: 39-20=19 Exploring Operation: 20+15=35, Resulting Numbers: [6, 39, 35] Generated Node #0,3: 68:[6, 39, 35] Operation: 20+15=35 Exploring Operation: 20-6=14, Resulting Numbers: [39, 15, 14] Generated Node #0,4: 68:[39, 15, 14] Operation: 20-6=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[20, 15, 33], Operations: ['39-6=33'] Exploring Operation: 20+33=53, Resulting Numbers: [15, 53] Generated Node #0,1,0: 68:[15, 53] Operation: 20+33=53 Exploring Operation: 33-20=13, Resulting Numbers: [15, 13] Generated Node #0,1,1: 68:[15, 13] Operation: 33-20=13 Exploring Operation: 20-15=5, Resulting Numbers: [33, 5] Generated Node #0,1,2: 68:[33, 5] Operation: 20-15=5 Exploring Operation: 33-15=18, Resulting Numbers: [20, 18] Generated Node #0,1,3: 68:[20, 18] Operation: 33-15=18 Exploring Operation: 20+15=35, Resulting Numbers: [33, 35] Generated Node #0,1,4: 68:[33, 35] Operation: 20+15=35 Moving to Node #0,1,2 Current State: 68:[33, 5], Operations: ['39-6=33', '20-15=5'] Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,68 unequal: No Solution Exploring Operation: 33*5=165, Resulting Numbers: [165] 165,68 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,68 unequal: No Solution Moving to Node #0,1,4 Current State: 68:[33, 35], Operations: ['39-6=33', '20+15=35'] Exploring Operation: 33*35=1155, Resulting Numbers: [1155] 1155,68 unequal: No Solution Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[6, 39, 20, 15], Operations: [] Exploring Operation: 39-6=33, Resulting Numbers: [20, 15, 33] Generated Node #0,1: 68:[20, 15, 33] Operation: 39-6=33 Moving to Node #0,1 Current State: 68:[20, 15, 33], Operations: ['39-6=33'] Exploring Operation: 20+15=35, Resulting Numbers: [33, 35] Generated Node #0,1,4: 68:[33, 35] Operation: 20+15=35 Moving to Node #0,1,4 Current State: 68:[33, 35], Operations: ['39-6=33', '20+15=35'] Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 95, 76, 53, 37 ]
71
[ "95-76=19", "53+37=90", "90-19=71" ]
Current State: 71:[95, 76, 53, 37], Operations: [] Exploring Operation: 95-76=19, Resulting Numbers: [53, 37, 19] Generated Node #2: [53, 37, 19] from Operation: 95-76=19 Current State: 71:[53, 37, 19], Operations: ['95-76=19'] Exploring Operation: 53+37=90, Resulting Numbers: [19, 90] Generated Node #3: [19, 90] from Operation: 53+37=90 Current State: 71:[19, 90], Operations: ['95-76=19', '53+37=90'] Exploring Operation: 90-19=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[95, 76, 53, 37], Operations: [] Exploring Operation: 95-37=58, Resulting Numbers: [76, 53, 58] Generated Node #0,0: 71:[76, 53, 58] Operation: 95-37=58 Exploring Operation: 53+37=90, Resulting Numbers: [95, 76, 90] Generated Node #0,1: 71:[95, 76, 90] Operation: 53+37=90 Moving to Node #0,0 Current State: 71:[76, 53, 58], Operations: ['95-37=58'] Exploring Operation: 76-53=23, Resulting Numbers: [58, 23] Generated Node #0,0,0: 71:[58, 23] Operation: 76-53=23 Exploring Operation: 53+58=111, Resulting Numbers: [76, 111] Generated Node #0,0,1: 71:[76, 111] Operation: 53+58=111 Moving to Node #0,1 Current State: 71:[95, 76, 90], Operations: ['53+37=90'] Exploring Operation: 95-76=19, Resulting Numbers: [90, 19] Generated Node #0,1,0: 71:[90, 19] Operation: 95-76=19 Exploring Operation: 95-90=5, Resulting Numbers: [76, 5] Generated Node #0,1,1: 71:[76, 5] Operation: 95-90=5 Moving to Node #0,0,1 Current State: 71:[76, 111], Operations: ['95-37=58', '53+58=111'] Exploring Operation: 111-76=35, Resulting Numbers: [35] 35,71 unequal: No Solution Exploring Operation: 76+111=187, Resulting Numbers: [187] 187,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[58, 23], Operations: ['95-37=58', '76-53=23'] Exploring Operation: 58+23=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 58-23=35, Resulting Numbers: [35] 35,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[76, 5], Operations: ['53+37=90', '95-90=5'] Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[95, 76, 53, 37], Operations: [] Exploring Operation: 53+37=90, Resulting Numbers: [95, 76, 90] Generated Node #0,1: 71:[95, 76, 90] Operation: 53+37=90 Moving to Node #0,1 Current State: 71:[95, 76, 90], Operations: ['53+37=90'] Exploring Operation: 95-90=5, Resulting Numbers: [76, 5] Generated Node #0,1,1: 71:[76, 5] Operation: 95-90=5 Moving to Node #0,1,1 Current State: 71:[76, 5], Operations: ['53+37=90', '95-90=5'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 5, 9, 3, 37 ]
44
[ "9-5=4", "3+37=40", "4+40=44" ]
Current State: 44:[5, 9, 3, 37], Operations: [] Exploring Operation: 9-5=4, Resulting Numbers: [3, 37, 4] Generated Node #2: [3, 37, 4] from Operation: 9-5=4 Current State: 44:[3, 37, 4], Operations: ['9-5=4'] Exploring Operation: 3+37=40, Resulting Numbers: [4, 40] Generated Node #3: [4, 40] from Operation: 3+37=40 Current State: 44:[4, 40], Operations: ['9-5=4', '3+37=40'] Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[5, 9, 3, 37], Operations: [] Exploring Operation: 37-9=28, Resulting Numbers: [5, 3, 28] Generated Node #0,0: 44:[5, 3, 28] Operation: 37-9=28 Exploring Operation: 9+37=46, Resulting Numbers: [5, 3, 46] Generated Node #0,1: 44:[5, 3, 46] Operation: 9+37=46 Exploring Operation: 5+37=42, Resulting Numbers: [9, 3, 42] Generated Node #0,2: 44:[9, 3, 42] Operation: 5+37=42 Exploring Operation: 3+37=40, Resulting Numbers: [5, 9, 40] Generated Node #0,3: 44:[5, 9, 40] Operation: 3+37=40 Exploring Operation: 9-5=4, Resulting Numbers: [3, 37, 4] Generated Node #0,4: 44:[3, 37, 4] Operation: 9-5=4 Moving to Node #0,1 Current State: 44:[5, 3, 46], Operations: ['9+37=46'] Exploring Operation: 46-5=41, Resulting Numbers: [3, 41] Generated Node #0,1,0: 44:[3, 41] Operation: 46-5=41 Exploring Operation: 46-3=43, Resulting Numbers: [5, 43] Generated Node #0,1,1: 44:[5, 43] Operation: 46-3=43 Exploring Operation: 5*3=15, Resulting Numbers: [46, 15] Generated Node #0,1,2: 44:[46, 15] Operation: 5*3=15 Exploring Operation: 5+3=8, Resulting Numbers: [46, 8] Generated Node #0,1,3: 44:[46, 8] Operation: 5+3=8 Exploring Operation: 5-3=2, Resulting Numbers: [46, 2] Generated Node #0,1,4: 44:[46, 2] Operation: 5-3=2 Moving to Node #0,2 Current State: 44:[9, 3, 42], Operations: ['5+37=42'] Exploring Operation: 9+3=12, Resulting Numbers: [42, 12] Generated Node #0,2,0: 44:[42, 12] Operation: 9+3=12 Exploring Operation: 9-3=6, Resulting Numbers: [42, 6] Generated Node #0,2,1: 44:[42, 6] Operation: 9-3=6 Exploring Operation: 42/3=14, Resulting Numbers: [9, 14] Generated Node #0,2,2: 44:[9, 14] Operation: 42/3=14 Exploring Operation: 3+42=45, Resulting Numbers: [9, 45] Generated Node #0,2,3: 44:[9, 45] Operation: 3+42=45 Exploring Operation: 9/3=3, Resulting Numbers: [42, 3] Generated Node #0,2,4: 44:[42, 3] Operation: 9/3=3 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 44:[42, 12], Operations: ['5+37=42', '9+3=12'] Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,44 unequal: No Solution Exploring Operation: 42+12=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 42*12=504, Resulting Numbers: [504] 504,44 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 #0,2,3 Current State: 44:[9, 45], Operations: ['5+37=42', '3+42=45'] Exploring Operation: 9*45=405, Resulting Numbers: [405] 405,44 unequal: No Solution Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,44 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 #0,2,4 Current State: 44:[42, 3], Operations: ['5+37=42', '9/3=3'] Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,44 unequal: No Solution Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,44 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 44:[42, 6], Operations: ['5+37=42', '9-3=6'] Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,44 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,44 unequal: No Solution Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 42*6=252, Resulting Numbers: [252] 252,44 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 #0,2,2 Current State: 44:[9, 14], Operations: ['5+37=42', '42/3=14'] Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,44 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,44 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: 44:[5, 9, 40], Operations: ['3+37=40'] Exploring Operation: 40/5=8, Resulting Numbers: [9, 8] Generated Node #0,3,0: 44:[9, 8] Operation: 40/5=8 Exploring Operation: 9-5=4, Resulting Numbers: [40, 4] Generated Node #0,3,1: 44:[40, 4] Operation: 9-5=4 Exploring Operation: 9+40=49, Resulting Numbers: [5, 49] Generated Node #0,3,2: 44:[5, 49] Operation: 9+40=49 Exploring Operation: 5*9=45, Resulting Numbers: [40, 45] Generated Node #0,3,3: 44:[40, 45] Operation: 5*9=45 Exploring Operation: 5+40=45, Resulting Numbers: [9, 45] Generated Node #0,3,4: 44:[9, 45] Operation: 5+40=45 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 44:[9, 45], Operations: ['3+37=40', '5+40=45'] Exploring Operation: 9*45=405, Resulting Numbers: [405] 405,44 unequal: No Solution Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,44 unequal: No Solution Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,44 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 #0,3,1 Current State: 44:[40, 4], Operations: ['3+37=40', '9-5=4'] Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,44 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,44 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[5, 9, 3, 37], Operations: [] Exploring Operation: 3+37=40, Resulting Numbers: [5, 9, 40] Generated Node #0,3: 44:[5, 9, 40] Operation: 3+37=40 Moving to Node #0,3 Current State: 44:[5, 9, 40], Operations: ['3+37=40'] Exploring Operation: 9-5=4, Resulting Numbers: [40, 4] Generated Node #0,3,1: 44:[40, 4] Operation: 9-5=4 Moving to Node #0,3,1 Current State: 44:[40, 4], Operations: ['3+37=40', '9-5=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.956597
hs_5
mult_heuristic
[ 8, 64, 48, 32 ]
62
[ "32-8=24", "48/24=2", "64-2=62" ]
Current State: 62:[8, 64, 48, 32], Operations: [] Exploring Operation: 32-8=24, Resulting Numbers: [64, 48, 24] Generated Node #2: [64, 48, 24] from Operation: 32-8=24 Current State: 62:[64, 48, 24], Operations: ['32-8=24'] Exploring Operation: 48/24=2, Resulting Numbers: [64, 2] Generated Node #3: [64, 2] from Operation: 48/24=2 Current State: 62:[64, 2], Operations: ['32-8=24', '48/24=2'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[8, 64, 48, 32], Operations: [] Exploring Operation: 48/8=6, Resulting Numbers: [64, 32, 6] Generated Node #0,0: 62:[64, 32, 6] Operation: 48/8=6 Exploring Operation: 8+48=56, Resulting Numbers: [64, 32, 56] Generated Node #0,1: 62:[64, 32, 56] Operation: 8+48=56 Exploring Operation: 48-8=40, Resulting Numbers: [64, 32, 40] Generated Node #0,2: 62:[64, 32, 40] Operation: 48-8=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[64, 32, 6], Operations: ['48/8=6'] Exploring Operation: 64/32=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 62:[6, 2] Operation: 64/32=2 Exploring Operation: 64-32=32, Resulting Numbers: [6, 32] Generated Node #0,0,1: 62:[6, 32] Operation: 64-32=32 Exploring Operation: 64-6=58, Resulting Numbers: [32, 58] Generated Node #0,0,2: 62:[32, 58] Operation: 64-6=58 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[6, 2], Operations: ['48/8=6', '64/32=2'] Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,62 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 #0,0,1 Current State: 62:[6, 32], Operations: ['48/8=6', '64-32=32'] Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,62 unequal: No Solution Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,62 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 #0,0,2 Current State: 62:[32, 58], Operations: ['48/8=6', '64-6=58'] Exploring Operation: 32+58=90, Resulting Numbers: [90] 90,62 unequal: No Solution Exploring Operation: 32*58=1856, Resulting Numbers: [1856] 1856,62 unequal: No Solution Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,62 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 #0,1 Current State: 62:[64, 32, 56], Operations: ['8+48=56'] Exploring Operation: 64-32=32, Resulting Numbers: [56, 32] Generated Node #0,1,0: 62:[56, 32] Operation: 64-32=32 Exploring Operation: 64/32=2, Resulting Numbers: [56, 2] Generated Node #0,1,1: 62:[56, 2] Operation: 64/32=2 Exploring Operation: 64-56=8, Resulting Numbers: [32, 8] Generated Node #0,1,2: 62:[32, 8] Operation: 64-56=8 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 62:[56, 2], Operations: ['8+48=56', '64/32=2'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,62 unequal: No Solution Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,62 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 #0,1,0 Current State: 62:[56, 32], Operations: ['8+48=56', '64-32=32'] Exploring Operation: 56*32=1792, Resulting Numbers: [1792] 1792,62 unequal: No Solution Exploring Operation: 56+32=88, Resulting Numbers: [88] 88,62 unequal: No Solution Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,62 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 #0,1,2 Current State: 62:[32, 8], Operations: ['8+48=56', '64-56=8'] Exploring Operation: 32+8=40, Resulting Numbers: [40] 40,62 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,62 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 #0,2 Current State: 62:[64, 32, 40], Operations: ['48-8=40'] Exploring Operation: 64/32=2, Resulting Numbers: [40, 2] Generated Node #0,2,0: 62:[40, 2] Operation: 64/32=2 Exploring Operation: 40-32=8, Resulting Numbers: [64, 8] Generated Node #0,2,1: 62:[64, 8] Operation: 40-32=8 Exploring Operation: 64-40=24, Resulting Numbers: [32, 24] Generated Node #0,2,2: 62:[32, 24] Operation: 64-40=24 Moving to Node #0,2,1 Current State: 62:[64, 8], Operations: ['48-8=40', '40-32=8'] Exploring Operation: 64+8=72, Resulting Numbers: [72] 72,62 unequal: No Solution Exploring Operation: 64-8=56, Resulting Numbers: [56] 56,62 unequal: No Solution Exploring Operation: 64/8=8, Resulting Numbers: [8] 8,62 unequal: No Solution Moving to Node #0,2,2 Current State: 62:[32, 24], Operations: ['48-8=40', '64-40=24'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,62 unequal: No Solution Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,62 unequal: No Solution Moving to Node #0,2,0 Current State: 62:[40, 2], Operations: ['48-8=40', '64/32=2'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,62 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 65, 38, 26, 30 ]
50
[ "26*30=780", "780/65=12", "38+12=50" ]
Current State: 50:[65, 38, 26, 30], Operations: [] Exploring Operation: 26*30=780, Resulting Numbers: [65, 38, 780] Generated Node #2: [65, 38, 780] from Operation: 26*30=780 Current State: 50:[65, 38, 780], Operations: ['26*30=780'] Exploring Operation: 780/65=12, Resulting Numbers: [38, 12] Generated Node #3: [38, 12] from Operation: 780/65=12 Current State: 50:[38, 12], Operations: ['26*30=780', '780/65=12'] Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[65, 38, 26, 30], Operations: [] Exploring Operation: 65-38=27, Resulting Numbers: [26, 30, 27] Generated Node #0,0: 50:[26, 30, 27] Operation: 65-38=27 Exploring Operation: 38-26=12, Resulting Numbers: [65, 30, 12] Generated Node #0,1: 50:[65, 30, 12] Operation: 38-26=12 Exploring Operation: 38-30=8, Resulting Numbers: [65, 26, 8] Generated Node #0,2: 50:[65, 26, 8] Operation: 38-30=8 Moving to Node #0,0 Current State: 50:[26, 30, 27], Operations: ['65-38=27'] Exploring Operation: 30-26=4, Resulting Numbers: [27, 4] Generated Node #0,0,0: 50:[27, 4] Operation: 30-26=4 Exploring Operation: 27-26=1, Resulting Numbers: [30, 1] Generated Node #0,0,1: 50:[30, 1] Operation: 27-26=1 Exploring Operation: 30-27=3, Resulting Numbers: [26, 3] Generated Node #0,0,2: 50:[26, 3] Operation: 30-27=3 Moving to Node #0,2 Current State: 50:[65, 26, 8], Operations: ['38-30=8'] Exploring Operation: 26-8=18, Resulting Numbers: [65, 18] Generated Node #0,2,0: 50:[65, 18] Operation: 26-8=18 Exploring Operation: 65-8=57, Resulting Numbers: [26, 57] Generated Node #0,2,1: 50:[26, 57] Operation: 65-8=57 Exploring Operation: 65-26=39, Resulting Numbers: [8, 39] Generated Node #0,2,2: 50:[8, 39] Operation: 65-26=39 Moving to Node #0,1 Current State: 50:[65, 30, 12], Operations: ['38-26=12'] Exploring Operation: 30-12=18, Resulting Numbers: [65, 18] Generated Node #0,1,0: 50:[65, 18] Operation: 30-12=18 Exploring Operation: 65-12=53, Resulting Numbers: [30, 53] Generated Node #0,1,1: 50:[30, 53] Operation: 65-12=53 Exploring Operation: 65-30=35, Resulting Numbers: [12, 35] Generated Node #0,1,2: 50:[12, 35] Operation: 65-30=35 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[30, 53], Operations: ['38-26=12', '65-12=53'] Exploring Operation: 30*53=1590, Resulting Numbers: [1590] 1590,50 unequal: No Solution Exploring Operation: 30+53=83, Resulting Numbers: [83] 83,50 unequal: No Solution Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 50:[12, 35], Operations: ['38-26=12', '65-30=35'] Exploring Operation: 12+35=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 12*35=420, Resulting Numbers: [420] 420,50 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[65, 18], Operations: ['38-26=12', '30-12=18'] Exploring Operation: 65*18=1170, Resulting Numbers: [1170] 1170,50 unequal: No Solution Exploring Operation: 65+18=83, Resulting Numbers: [83] 83,50 unequal: No Solution Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 50:[26, 3], Operations: ['65-38=27', '30-27=3'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 26+3=29, Resulting Numbers: [29] 29,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[27, 4], Operations: ['65-38=27', '30-26=4'] Exploring Operation: 27*4=108, Resulting Numbers: [108] 108,50 unequal: No Solution Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[30, 1], Operations: ['65-38=27', '27-26=1'] Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,50 unequal: No Solution Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,50 unequal: No Solution Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[26, 57], Operations: ['38-30=8', '65-8=57'] Exploring Operation: 26*57=1482, Resulting Numbers: [1482] 1482,50 unequal: No Solution Exploring Operation: 26+57=83, Resulting Numbers: [83] 83,50 unequal: No Solution Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[8, 39], Operations: ['38-30=8', '65-26=39'] Exploring Operation: 8+39=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 8*39=312, Resulting Numbers: [312] 312,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[65, 18], Operations: ['38-30=8', '26-8=18'] Exploring Operation: 65*18=1170, Resulting Numbers: [1170] 1170,50 unequal: No Solution Exploring Operation: 65+18=83, Resulting Numbers: [83] 83,50 unequal: No Solution Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,50 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 38, 66, 22, 56 ]
15
[ "56-38=18", "66/22=3", "18-3=15" ]
Current State: 15:[38, 66, 22, 56], Operations: [] Exploring Operation: 56-38=18, Resulting Numbers: [66, 22, 18] Generated Node #2: [66, 22, 18] from Operation: 56-38=18 Current State: 15:[66, 22, 18], Operations: ['56-38=18'] Exploring Operation: 66/22=3, Resulting Numbers: [18, 3] Generated Node #3: [18, 3] from Operation: 66/22=3 Current State: 15:[18, 3], Operations: ['56-38=18', '66/22=3'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[38, 66, 22, 56], Operations: [] Exploring Operation: 66-56=10, Resulting Numbers: [38, 22, 10] Generated Node #0,0: 15:[38, 22, 10] Operation: 66-56=10 Moving to Node #0,0 Current State: 15:[38, 22, 10], Operations: ['66-56=10'] Exploring Operation: 38-22=16, Resulting Numbers: [10, 16] Generated Node #0,0,0: 15:[10, 16] Operation: 38-22=16 Moving to Node #0,0,0 Current State: 15:[10, 16], Operations: ['66-56=10', '38-22=16'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,15 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 5, 70, 7, 8 ]
23
[ "5+8=13", "70/7=10", "13+10=23" ]
Current State: 23:[5, 70, 7, 8], Operations: [] Exploring Operation: 5+8=13, Resulting Numbers: [70, 7, 13] Generated Node #2: [70, 7, 13] from Operation: 5+8=13 Current State: 23:[70, 7, 13], Operations: ['5+8=13'] Exploring Operation: 70/7=10, Resulting Numbers: [13, 10] Generated Node #3: [13, 10] from Operation: 70/7=10 Current State: 23:[13, 10], Operations: ['5+8=13', '70/7=10'] Exploring Operation: 13+10=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[5, 70, 7, 8], Operations: [] Exploring Operation: 70-5=65, Resulting Numbers: [7, 8, 65] Generated Node #0,0: 23:[7, 8, 65] Operation: 70-5=65 Exploring Operation: 5+7=12, Resulting Numbers: [70, 8, 12] Generated Node #0,1: 23:[70, 8, 12] Operation: 5+7=12 Exploring Operation: 70/7=10, Resulting Numbers: [5, 8, 10] Generated Node #0,2: 23:[5, 8, 10] Operation: 70/7=10 Exploring Operation: 70/5=14, Resulting Numbers: [7, 8, 14] Generated Node #0,3: 23:[7, 8, 14] Operation: 70/5=14 Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[7, 8, 14], Operations: ['70/5=14'] Exploring Operation: 8-7=1, Resulting Numbers: [14, 1] Generated Node #0,3,0: 23:[14, 1] Operation: 8-7=1 Exploring Operation: 7+14=21, Resulting Numbers: [8, 21] Generated Node #0,3,1: 23:[8, 21] Operation: 7+14=21 Exploring Operation: 7+8=15, Resulting Numbers: [14, 15] Generated Node #0,3,2: 23:[14, 15] Operation: 7+8=15 Exploring Operation: 8+14=22, Resulting Numbers: [7, 22] Generated Node #0,3,3: 23:[7, 22] Operation: 8+14=22 Moving to Node #0,3,1 Current State: 23:[8, 21], Operations: ['70/5=14', '7+14=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,23 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[7, 22], Operations: ['70/5=14', '8+14=22'] Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,23 unequal: No Solution Moving to Node #0,3,2 Current State: 23:[14, 15], Operations: ['70/5=14', '7+8=15'] Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[14, 1], Operations: ['70/5=14', '8-7=1'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,23 unequal: No Solution Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,23 unequal: No Solution Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,23 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[5, 8, 10], Operations: ['70/7=10'] Exploring Operation: 8+10=18, Resulting Numbers: [5, 18] Generated Node #0,2,0: 23:[5, 18] Operation: 8+10=18 Exploring Operation: 5*8=40, Resulting Numbers: [10, 40] Generated Node #0,2,1: 23:[10, 40] Operation: 5*8=40 Exploring Operation: 5+10=15, Resulting Numbers: [8, 15] Generated Node #0,2,2: 23:[8, 15] Operation: 5+10=15 Exploring Operation: 5+8=13, Resulting Numbers: [10, 13] Generated Node #0,2,3: 23:[10, 13] Operation: 5+8=13 Moving to Node #0,2,0 Current State: 23:[5, 18], Operations: ['70/7=10', '8+10=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[5, 70, 7, 8], Operations: [] Exploring Operation: 70/7=10, Resulting Numbers: [5, 8, 10] Generated Node #0,2: 23:[5, 8, 10] Operation: 70/7=10 Moving to Node #0,2 Current State: 23:[5, 8, 10], Operations: ['70/7=10'] Exploring Operation: 8+10=18, Resulting Numbers: [5, 18] Generated Node #0,2,0: 23:[5, 18] Operation: 8+10=18 Moving to Node #0,2,0 Current State: 23:[5, 18], Operations: ['70/7=10', '8+10=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 51, 74, 5, 57 ]
75
[ "74-51=23", "57-5=52", "23+52=75" ]
Current State: 75:[51, 74, 5, 57], Operations: [] Exploring Operation: 74-51=23, Resulting Numbers: [5, 57, 23] Generated Node #2: [5, 57, 23] from Operation: 74-51=23 Current State: 75:[5, 57, 23], Operations: ['74-51=23'] Exploring Operation: 57-5=52, Resulting Numbers: [23, 52] Generated Node #3: [23, 52] from Operation: 57-5=52 Current State: 75:[23, 52], Operations: ['74-51=23', '57-5=52'] Exploring Operation: 23+52=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[51, 74, 5, 57], Operations: [] Exploring Operation: 57-51=6, Resulting Numbers: [74, 5, 6] Generated Node #0,0: 75:[74, 5, 6] Operation: 57-51=6 Exploring Operation: 74-57=17, Resulting Numbers: [51, 5, 17] Generated Node #0,1: 75:[51, 5, 17] Operation: 74-57=17 Exploring Operation: 74-51=23, Resulting Numbers: [5, 57, 23] Generated Node #0,2: 75:[5, 57, 23] Operation: 74-51=23 Moving to Node #0,0 Current State: 75:[74, 5, 6], Operations: ['57-51=6'] Exploring Operation: 6-5=1, Resulting Numbers: [74, 1] Generated Node #0,0,0: 75:[74, 1] Operation: 6-5=1 Exploring Operation: 74+5=79, Resulting Numbers: [6, 79] Generated Node #0,0,1: 75:[6, 79] Operation: 74+5=79 Exploring Operation: 74+6=80, Resulting Numbers: [5, 80] Generated Node #0,0,2: 75:[5, 80] Operation: 74+6=80 Moving to Node #0,2 Current State: 75:[5, 57, 23], Operations: ['74-51=23'] Exploring Operation: 5+57=62, Resulting Numbers: [23, 62] Generated Node #0,2,0: 75:[23, 62] Operation: 5+57=62 Exploring Operation: 57+23=80, Resulting Numbers: [5, 80] Generated Node #0,2,1: 75:[5, 80] Operation: 57+23=80 Exploring Operation: 57-23=34, Resulting Numbers: [5, 34] Generated Node #0,2,2: 75:[5, 34] Operation: 57-23=34 Moving to Node #0,1 Current State: 75:[51, 5, 17], Operations: ['74-57=17'] Exploring Operation: 51+17=68, Resulting Numbers: [5, 68] Generated Node #0,1,0: 75:[5, 68] Operation: 51+17=68 Exploring Operation: 51/17=3, Resulting Numbers: [5, 3] Generated Node #0,1,1: 75:[5, 3] Operation: 51/17=3 Exploring Operation: 51-17=34, Resulting Numbers: [5, 34] Generated Node #0,1,2: 75:[5, 34] Operation: 51-17=34 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[5, 3], Operations: ['74-57=17', '51/17=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[5, 68], Operations: ['74-57=17', '51+17=68'] Exploring Operation: 5*68=340, Resulting Numbers: [340] 340,75 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 5+68=73, Resulting Numbers: [73] 73,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[5, 34], Operations: ['74-57=17', '51-17=34'] Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,75 unequal: No Solution Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,75 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,75 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: 75:[74, 1], Operations: ['57-51=6', '6-5=1'] Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[51, 74, 5, 57], Operations: [] Exploring Operation: 57-51=6, Resulting Numbers: [74, 5, 6] Generated Node #0,0: 75:[74, 5, 6] Operation: 57-51=6 Moving to Node #0,0 Current State: 75:[74, 5, 6], Operations: ['57-51=6'] Exploring Operation: 6-5=1, Resulting Numbers: [74, 1] Generated Node #0,0,0: 75:[74, 1] Operation: 6-5=1 Moving to Node #0,0,0 Current State: 75:[74, 1], Operations: ['57-51=6', '6-5=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.976563
hs_3
sum_heuristic
[ 8, 1, 16, 56 ]
54
[ "8*1=8", "16/8=2", "56-2=54" ]
Current State: 54:[8, 1, 16, 56], Operations: [] Exploring Operation: 8*1=8, Resulting Numbers: [16, 56, 8] Generated Node #2: [16, 56, 8] from Operation: 8*1=8 Current State: 54:[16, 56, 8], Operations: ['8*1=8'] Exploring Operation: 16/8=2, Resulting Numbers: [56, 2] Generated Node #3: [56, 2] from Operation: 16/8=2 Current State: 54:[56, 2], Operations: ['8*1=8', '16/8=2'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[8, 1, 16, 56], Operations: [] Exploring Operation: 8+1=9, Resulting Numbers: [16, 56, 9] Generated Node #0,0: 54:[16, 56, 9] Operation: 8+1=9 Exploring Operation: 16/8=2, Resulting Numbers: [1, 56, 2] Generated Node #0,1: 54:[1, 56, 2] Operation: 16/8=2 Moving to Node #0,1 Current State: 54:[1, 56, 2], Operations: ['16/8=2'] Exploring Operation: 56-2=54, Resulting Numbers: [1, 54] Generated Node #0,1,0: 54:[1, 54] Operation: 56-2=54 Exploring Operation: 56-1=55, Resulting Numbers: [2, 55] Generated Node #0,1,1: 54:[2, 55] Operation: 56-1=55 Moving to Node #0,0 Current State: 54:[16, 56, 9], Operations: ['8+1=9'] Exploring Operation: 16+9=25, Resulting Numbers: [56, 25] Generated Node #0,0,0: 54:[56, 25] Operation: 16+9=25 Exploring Operation: 16-9=7, Resulting Numbers: [56, 7] Generated Node #0,0,1: 54:[56, 7] Operation: 16-9=7 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[56, 7], Operations: ['8+1=9', '16-9=7'] Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,54 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:[56, 25], Operations: ['8+1=9', '16+9=25'] Exploring Operation: 56-25=31, Resulting Numbers: [31] 31,54 unequal: No Solution Exploring Operation: 56+25=81, Resulting Numbers: [81] 81,54 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: 54:[1, 54], Operations: ['16/8=2', '56-2=54'] Exploring Operation: 1*54=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[8, 1, 16, 56], Operations: [] Exploring Operation: 16/8=2, Resulting Numbers: [1, 56, 2] Generated Node #0,1: 54:[1, 56, 2] Operation: 16/8=2 Moving to Node #0,1 Current State: 54:[1, 56, 2], Operations: ['16/8=2'] Exploring Operation: 56-2=54, Resulting Numbers: [1, 54] Generated Node #0,1,0: 54:[1, 54] Operation: 56-2=54 Moving to Node #0,1,0 Current State: 54:[1, 54], Operations: ['16/8=2', '56-2=54'] Exploring Operation: 1*54=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 6, 95, 97, 38 ]
42
[ "6+95=101", "97-38=59", "101-59=42" ]
Current State: 42:[6, 95, 97, 38], Operations: [] Exploring Operation: 6+95=101, Resulting Numbers: [97, 38, 101] Generated Node #2: [97, 38, 101] from Operation: 6+95=101 Current State: 42:[97, 38, 101], Operations: ['6+95=101'] Exploring Operation: 97-38=59, Resulting Numbers: [101, 59] Generated Node #3: [101, 59] from Operation: 97-38=59 Current State: 42:[101, 59], Operations: ['6+95=101', '97-38=59'] Exploring Operation: 101-59=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[6, 95, 97, 38], Operations: [] Exploring Operation: 95-38=57, Resulting Numbers: [6, 97, 57] Generated Node #0,0: 42:[6, 97, 57] Operation: 95-38=57 Exploring Operation: 97-95=2, Resulting Numbers: [6, 38, 2] Generated Node #0,1: 42:[6, 38, 2] Operation: 97-95=2 Exploring Operation: 97-38=59, Resulting Numbers: [6, 95, 59] Generated Node #0,2: 42:[6, 95, 59] Operation: 97-38=59 Exploring Operation: 95-6=89, Resulting Numbers: [97, 38, 89] Generated Node #0,3: 42:[97, 38, 89] Operation: 95-6=89 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[6, 38, 2], Operations: ['97-95=2'] Exploring Operation: 38/2=19, Resulting Numbers: [6, 19] Generated Node #0,1,0: 42:[6, 19] Operation: 38/2=19 Exploring Operation: 38+2=40, Resulting Numbers: [6, 40] Generated Node #0,1,1: 42:[6, 40] Operation: 38+2=40 Exploring Operation: 6/2=3, Resulting Numbers: [38, 3] Generated Node #0,1,2: 42:[38, 3] Operation: 6/2=3 Exploring Operation: 6+38=44, Resulting Numbers: [2, 44] Generated Node #0,1,3: 42:[2, 44] Operation: 6+38=44 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 42:[6, 19], Operations: ['97-95=2', '38/2=19'] Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,42 unequal: No Solution Exploring Operation: 6*19=114, Resulting Numbers: [114] 114,42 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,42 unequal: No Solution No 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: 42:[6, 40], Operations: ['97-95=2', '38+2=40'] Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,42 unequal: No Solution Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,42 unequal: No Solution Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,42 unequal: No Solution No 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: 42:[2, 44], Operations: ['97-95=2', '6+38=44'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,42 unequal: No Solution Exploring Operation: 2*44=88, Resulting Numbers: [88] 88,42 unequal: No Solution Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,42 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[6, 95, 97, 38], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [6, 38, 2] Generated Node #0,1: 42:[6, 38, 2] Operation: 97-95=2 Moving to Node #0,1 Current State: 42:[6, 38, 2], Operations: ['97-95=2'] Exploring Operation: 6+38=44, Resulting Numbers: [2, 44] Generated Node #0,1,3: 42:[2, 44] Operation: 6+38=44 Moving to Node #0,1,3 Current State: 42:[2, 44], Operations: ['97-95=2', '6+38=44'] Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 24, 91, 31, 50 ]
37
[ "31-24=7", "91/7=13", "50-13=37" ]
Current State: 37:[24, 91, 31, 50], Operations: [] Exploring Operation: 31-24=7, Resulting Numbers: [91, 50, 7] Generated Node #2: [91, 50, 7] from Operation: 31-24=7 Current State: 37:[91, 50, 7], Operations: ['31-24=7'] Exploring Operation: 91/7=13, Resulting Numbers: [50, 13] Generated Node #3: [50, 13] from Operation: 91/7=13 Current State: 37:[50, 13], Operations: ['31-24=7', '91/7=13'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[24, 91, 31, 50], Operations: [] Exploring Operation: 91-50=41, Resulting Numbers: [24, 31, 41] Generated Node #0,0: 37:[24, 31, 41] Operation: 91-50=41 Exploring Operation: 91-24=67, Resulting Numbers: [31, 50, 67] Generated Node #0,1: 37:[31, 50, 67] Operation: 91-24=67 Exploring Operation: 50-24=26, Resulting Numbers: [91, 31, 26] Generated Node #0,2: 37:[91, 31, 26] Operation: 50-24=26 Exploring Operation: 91-31=60, Resulting Numbers: [24, 50, 60] Generated Node #0,3: 37:[24, 50, 60] Operation: 91-31=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[24, 31, 41], Operations: ['91-50=41'] Exploring Operation: 24+31=55, Resulting Numbers: [41, 55] Generated Node #0,0,0: 37:[41, 55] Operation: 24+31=55 Exploring Operation: 24+41=65, Resulting Numbers: [31, 65] Generated Node #0,0,1: 37:[31, 65] Operation: 24+41=65 Exploring Operation: 31-24=7, Resulting Numbers: [41, 7] Generated Node #0,0,2: 37:[41, 7] Operation: 31-24=7 Exploring Operation: 41-24=17, Resulting Numbers: [31, 17] Generated Node #0,0,3: 37:[31, 17] Operation: 41-24=17 Moving to Node #0,0,0 Current State: 37:[41, 55], Operations: ['91-50=41', '24+31=55'] Exploring Operation: 55-41=14, Resulting Numbers: [14] 14,37 unequal: No Solution Exploring Operation: 41+55=96, Resulting Numbers: [96] 96,37 unequal: No Solution Exploring Operation: 41*55=2255, Resulting Numbers: [2255] 2255,37 unequal: No Solution Moving to Node #0,0,3 Current State: 37:[31, 17], Operations: ['91-50=41', '41-24=17'] Exploring Operation: 31*17=527, Resulting Numbers: [527] 527,37 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,37 unequal: No Solution Exploring Operation: 31+17=48, Resulting Numbers: [48] 48,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[41, 7], Operations: ['91-50=41', '31-24=7'] Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,37 unequal: No Solution Exploring Operation: 41*7=287, Resulting Numbers: [287] 287,37 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[31, 65], Operations: ['91-50=41', '24+41=65'] Exploring Operation: 65-31=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 31*65=2015, Resulting Numbers: [2015] 2015,37 unequal: No Solution Exploring Operation: 31+65=96, Resulting Numbers: [96] 96,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[31, 50, 67], Operations: ['91-24=67'] Exploring Operation: 67-50=17, Resulting Numbers: [31, 17] Generated Node #0,1,0: 37:[31, 17] Operation: 67-50=17 Exploring Operation: 31+50=81, Resulting Numbers: [67, 81] Generated Node #0,1,1: 37:[67, 81] Operation: 31+50=81 Exploring Operation: 50-31=19, Resulting Numbers: [67, 19] Generated Node #0,1,2: 37:[67, 19] Operation: 50-31=19 Exploring Operation: 67-31=36, Resulting Numbers: [50, 36] Generated Node #0,1,3: 37:[50, 36] Operation: 67-31=36 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 37:[50, 36], Operations: ['91-24=67', '67-31=36'] Exploring Operation: 50+36=86, Resulting Numbers: [86] 86,37 unequal: No Solution Exploring Operation: 50*36=1800, Resulting Numbers: [1800] 1800,37 unequal: No Solution Exploring Operation: 50-36=14, Resulting Numbers: [14] 14,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[31, 17], Operations: ['91-24=67', '67-50=17'] Exploring Operation: 31+17=48, Resulting Numbers: [48] 48,37 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,37 unequal: No Solution Exploring Operation: 31*17=527, Resulting Numbers: [527] 527,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[67, 19], Operations: ['91-24=67', '50-31=19'] Exploring Operation: 67+19=86, Resulting Numbers: [86] 86,37 unequal: No Solution Exploring Operation: 67*19=1273, Resulting Numbers: [1273] 1273,37 unequal: No Solution Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[67, 81], Operations: ['91-24=67', '31+50=81'] Exploring Operation: 81-67=14, Resulting Numbers: [14] 14,37 unequal: No Solution Exploring Operation: 67+81=148, Resulting Numbers: [148] 148,37 unequal: No Solution Exploring Operation: 67*81=5427, Resulting Numbers: [5427] 5427,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 37:[24, 50, 60], Operations: ['91-31=60'] Exploring Operation: 50-24=26, Resulting Numbers: [60, 26] Generated Node #0,3,0: 37:[60, 26] Operation: 50-24=26 Exploring Operation: 24+50=74, Resulting Numbers: [60, 74] Generated Node #0,3,1: 37:[60, 74] Operation: 24+50=74 Exploring Operation: 60-24=36, Resulting Numbers: [50, 36] Generated Node #0,3,2: 37:[50, 36] Operation: 60-24=36 Exploring Operation: 60-50=10, Resulting Numbers: [24, 10] Generated Node #0,3,3: 37:[24, 10] Operation: 60-50=10 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 37:[50, 36], Operations: ['91-31=60', '60-24=36'] Exploring Operation: 50+36=86, Resulting Numbers: [86] 86,37 unequal: No Solution Exploring Operation: 50-36=14, Resulting Numbers: [14] 14,37 unequal: No Solution Exploring Operation: 50*36=1800, Resulting Numbers: [1800] 1800,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 37:[60, 26], Operations: ['91-31=60', '50-24=26'] Exploring Operation: 60+26=86, Resulting Numbers: [86] 86,37 unequal: No Solution Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 60*26=1560, Resulting Numbers: [1560] 1560,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 37:[24, 10], Operations: ['91-31=60', '60-50=10'] Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 24*10=240, Resulting Numbers: [240] 240,37 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 37:[60, 74], Operations: ['91-31=60', '24+50=74'] Exploring Operation: 74-60=14, Resulting Numbers: [14] 14,37 unequal: No Solution Exploring Operation: 60+74=134, Resulting Numbers: [134] 134,37 unequal: No Solution Exploring Operation: 60*74=4440, Resulting Numbers: [4440] 4440,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[91, 31, 26], Operations: ['50-24=26'] Exploring Operation: 91-31=60, Resulting Numbers: [26, 60] Generated Node #0,2,0: 37:[26, 60] Operation: 91-31=60 Exploring Operation: 91+26=117, Resulting Numbers: [31, 117] Generated Node #0,2,1: 37:[31, 117] Operation: 91+26=117 Exploring Operation: 91-26=65, Resulting Numbers: [31, 65] Generated Node #0,2,2: 37:[31, 65] Operation: 91-26=65 Exploring Operation: 31+26=57, Resulting Numbers: [91, 57] Generated Node #0,2,3: 37:[91, 57] Operation: 31+26=57 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 37:[26, 60], Operations: ['50-24=26', '91-31=60'] Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 26*60=1560, Resulting Numbers: [1560] 1560,37 unequal: No Solution Exploring Operation: 26+60=86, Resulting Numbers: [86] 86,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 37:[31, 65], Operations: ['50-24=26', '91-26=65'] Exploring Operation: 65-31=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 31+65=96, Resulting Numbers: [96] 96,37 unequal: No Solution Exploring Operation: 31*65=2015, Resulting Numbers: [2015] 2015,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 37:[91, 57], Operations: ['50-24=26', '31+26=57'] Exploring Operation: 91+57=148, Resulting Numbers: [148] 148,37 unequal: No Solution Exploring Operation: 91-57=34, Resulting Numbers: [34] 34,37 unequal: No Solution Exploring Operation: 91*57=5187, Resulting Numbers: [5187] 5187,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 37:[31, 117], Operations: ['50-24=26', '91+26=117'] Exploring Operation: 31*117=3627, Resulting Numbers: [3627] 3627,37 unequal: No Solution Exploring Operation: 117-31=86, Resulting Numbers: [86] 86,37 unequal: No Solution Exploring Operation: 31+117=148, Resulting Numbers: [148] 148,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 72, 15, 80, 89 ]
78
[ "72+15=87", "89-80=9", "87-9=78" ]
Current State: 78:[72, 15, 80, 89], Operations: [] Exploring Operation: 72+15=87, Resulting Numbers: [80, 89, 87] Generated Node #2: [80, 89, 87] from Operation: 72+15=87 Current State: 78:[80, 89, 87], Operations: ['72+15=87'] Exploring Operation: 89-80=9, Resulting Numbers: [87, 9] Generated Node #3: [87, 9] from Operation: 89-80=9 Current State: 78:[87, 9], Operations: ['72+15=87', '89-80=9'] Exploring Operation: 87-9=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[72, 15, 80, 89], Operations: [] Exploring Operation: 89-72=17, Resulting Numbers: [15, 80, 17] Generated Node #0,0: 78:[15, 80, 17] Operation: 89-72=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[15, 80, 17], Operations: ['89-72=17'] Exploring Operation: 17-15=2, Resulting Numbers: [80, 2] Generated Node #0,0,0: 78:[80, 2] Operation: 17-15=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[80, 2], Operations: ['89-72=17', '17-15=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[72, 15, 80, 89], Operations: [] Exploring Operation: 89-72=17, Resulting Numbers: [15, 80, 17] Generated Node #0,0: 78:[15, 80, 17] Operation: 89-72=17 Moving to Node #0,0 Current State: 78:[15, 80, 17], Operations: ['89-72=17'] Exploring Operation: 17-15=2, Resulting Numbers: [80, 2] Generated Node #0,0,0: 78:[80, 2] Operation: 17-15=2 Moving to Node #0,0,0 Current State: 78:[80, 2], Operations: ['89-72=17', '17-15=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 72, 8, 13, 28 ]
32
[ "72/8=9", "13+28=41", "41-9=32" ]
Current State: 32:[72, 8, 13, 28], Operations: [] Exploring Operation: 72/8=9, Resulting Numbers: [13, 28, 9] Generated Node #2: [13, 28, 9] from Operation: 72/8=9 Current State: 32:[13, 28, 9], Operations: ['72/8=9'] Exploring Operation: 13+28=41, Resulting Numbers: [9, 41] Generated Node #3: [9, 41] from Operation: 13+28=41 Current State: 32:[9, 41], Operations: ['72/8=9', '13+28=41'] Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[72, 8, 13, 28], Operations: [] Exploring Operation: 72-28=44, Resulting Numbers: [8, 13, 44] Generated Node #0,0: 32:[8, 13, 44] Operation: 72-28=44 Exploring Operation: 72/8=9, Resulting Numbers: [13, 28, 9] Generated Node #0,1: 32:[13, 28, 9] Operation: 72/8=9 Exploring Operation: 72-13=59, Resulting Numbers: [8, 28, 59] Generated Node #0,2: 32:[8, 28, 59] Operation: 72-13=59 Moving to Node #0,1 Current State: 32:[13, 28, 9], Operations: ['72/8=9'] Exploring Operation: 28-9=19, Resulting Numbers: [13, 19] Generated Node #0,1,0: 32:[13, 19] Operation: 28-9=19 Exploring Operation: 28-13=15, Resulting Numbers: [9, 15] Generated Node #0,1,1: 32:[9, 15] Operation: 28-13=15 Exploring Operation: 13-9=4, Resulting Numbers: [28, 4] Generated Node #0,1,2: 32:[28, 4] Operation: 13-9=4 Moving to Node #0,0 Current State: 32:[8, 13, 44], Operations: ['72-28=44'] Exploring Operation: 44-13=31, Resulting Numbers: [8, 31] Generated Node #0,0,0: 32:[8, 31] Operation: 44-13=31 Exploring Operation: 13-8=5, Resulting Numbers: [44, 5] Generated Node #0,0,1: 32:[44, 5] Operation: 13-8=5 Exploring Operation: 44-8=36, Resulting Numbers: [13, 36] Generated Node #0,0,2: 32:[13, 36] Operation: 44-8=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[8, 31], Operations: ['72-28=44', '44-13=31'] Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 32:[13, 36], Operations: ['72-28=44', '44-8=36'] Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 13+36=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 13*36=468, Resulting Numbers: [468] 468,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[44, 5], Operations: ['72-28=44', '13-8=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,32 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 32:[8, 28, 59], Operations: ['72-13=59'] Exploring Operation: 59-28=31, Resulting Numbers: [8, 31] Generated Node #0,2,0: 32:[8, 31] Operation: 59-28=31 Exploring Operation: 59-8=51, Resulting Numbers: [28, 51] Generated Node #0,2,1: 32:[28, 51] Operation: 59-8=51 Exploring Operation: 8+28=36, Resulting Numbers: [59, 36] Generated Node #0,2,2: 32:[59, 36] Operation: 8+28=36 Moving to Node #0,2,0 Current State: 32:[8, 31], Operations: ['72-13=59', '59-28=31'] Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,32 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[9, 15], Operations: ['72/8=9', '28-13=15'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,32 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,32 unequal: No Solution Moving to Node #0,1,2 Current State: 32:[28, 4], Operations: ['72/8=9', '13-9=4'] Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[72, 8, 13, 28], Operations: [] Exploring Operation: 72/8=9, Resulting Numbers: [13, 28, 9] Generated Node #0,1: 32:[13, 28, 9] Operation: 72/8=9 Moving to Node #0,1 Current State: 32:[13, 28, 9], Operations: ['72/8=9'] Exploring Operation: 13-9=4, Resulting Numbers: [28, 4] Generated Node #0,1,2: 32:[28, 4] Operation: 13-9=4 Moving to Node #0,1,2 Current State: 32:[28, 4], Operations: ['72/8=9', '13-9=4'] Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.970486
hs_3
mult_heuristic
[ 33, 38, 22, 82 ]
35
[ "82-38=44", "44/22=2", "33+2=35" ]
Current State: 35:[33, 38, 22, 82], Operations: [] Exploring Operation: 82-38=44, Resulting Numbers: [33, 22, 44] Generated Node #2: [33, 22, 44] from Operation: 82-38=44 Current State: 35:[33, 22, 44], Operations: ['82-38=44'] Exploring Operation: 44/22=2, Resulting Numbers: [33, 2] Generated Node #3: [33, 2] from Operation: 44/22=2 Current State: 35:[33, 2], Operations: ['82-38=44', '44/22=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[33, 38, 22, 82], Operations: [] Exploring Operation: 82-38=44, Resulting Numbers: [33, 22, 44] Generated Node #0,0: 35:[33, 22, 44] Operation: 82-38=44 Exploring Operation: 82-22=60, Resulting Numbers: [33, 38, 60] Generated Node #0,1: 35:[33, 38, 60] Operation: 82-22=60 Exploring Operation: 82-33=49, Resulting Numbers: [38, 22, 49] Generated Node #0,2: 35:[38, 22, 49] Operation: 82-33=49 Exploring Operation: 33-22=11, Resulting Numbers: [38, 82, 11] Generated Node #0,3: 35:[38, 82, 11] Operation: 33-22=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[33, 22, 44], Operations: ['82-38=44'] Exploring Operation: 44/22=2, Resulting Numbers: [33, 2] Generated Node #0,0,0: 35:[33, 2] Operation: 44/22=2 Exploring Operation: 33-22=11, Resulting Numbers: [44, 11] Generated Node #0,0,1: 35:[44, 11] Operation: 33-22=11 Exploring Operation: 44-22=22, Resulting Numbers: [33, 22] Generated Node #0,0,2: 35:[33, 22] Operation: 44-22=22 Exploring Operation: 44-33=11, Resulting Numbers: [22, 11] Generated Node #0,0,3: 35:[22, 11] Operation: 44-33=11 Moving to Node #0,0,0 Current State: 35:[33, 2], Operations: ['82-38=44', '44/22=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[33, 38, 22, 82], Operations: [] Exploring Operation: 82-38=44, Resulting Numbers: [33, 22, 44] Generated Node #0,0: 35:[33, 22, 44] Operation: 82-38=44 Moving to Node #0,0 Current State: 35:[33, 22, 44], Operations: ['82-38=44'] Exploring Operation: 44/22=2, Resulting Numbers: [33, 2] Generated Node #0,0,0: 35:[33, 2] Operation: 44/22=2 Moving to Node #0,0,0 Current State: 35:[33, 2], Operations: ['82-38=44', '44/22=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 7, 98, 10, 69 ]
45
[ "98/7=14", "69-10=59", "59-14=45" ]
Current State: 45:[7, 98, 10, 69], Operations: [] Exploring Operation: 98/7=14, Resulting Numbers: [10, 69, 14] Generated Node #2: [10, 69, 14] from Operation: 98/7=14 Current State: 45:[10, 69, 14], Operations: ['98/7=14'] Exploring Operation: 69-10=59, Resulting Numbers: [14, 59] Generated Node #3: [14, 59] from Operation: 69-10=59 Current State: 45:[14, 59], Operations: ['98/7=14', '69-10=59'] Exploring Operation: 59-14=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[7, 98, 10, 69], Operations: [] Exploring Operation: 98-69=29, Resulting Numbers: [7, 10, 29] Generated Node #0,0: 45:[7, 10, 29] Operation: 98-69=29 Exploring Operation: 98/7=14, Resulting Numbers: [10, 69, 14] Generated Node #0,1: 45:[10, 69, 14] Operation: 98/7=14 Exploring Operation: 98-10=88, Resulting Numbers: [7, 69, 88] Generated Node #0,2: 45:[7, 69, 88] Operation: 98-10=88 Moving to Node #0,0 Current State: 45:[7, 10, 29], Operations: ['98-69=29'] Exploring Operation: 10+29=39, Resulting Numbers: [7, 39] Generated Node #0,0,0: 45:[7, 39] Operation: 10+29=39 Exploring Operation: 29-7=22, Resulting Numbers: [10, 22] Generated Node #0,0,1: 45:[10, 22] Operation: 29-7=22 Exploring Operation: 29-10=19, Resulting Numbers: [7, 19] Generated Node #0,0,2: 45:[7, 19] Operation: 29-10=19 Moving to Node #0,1 Current State: 45:[10, 69, 14], Operations: ['98/7=14'] Exploring Operation: 69-10=59, Resulting Numbers: [14, 59] Generated Node #0,1,0: 45:[14, 59] Operation: 69-10=59 Exploring Operation: 14-10=4, Resulting Numbers: [69, 4] Generated Node #0,1,1: 45:[69, 4] Operation: 14-10=4 Exploring Operation: 69-14=55, Resulting Numbers: [10, 55] Generated Node #0,1,2: 45:[10, 55] Operation: 69-14=55 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 45:[10, 55], Operations: ['98/7=14', '69-14=55'] Exploring Operation: 10*55=550, Resulting Numbers: [550] 550,45 unequal: No Solution Exploring Operation: 10+55=65, Resulting Numbers: [65] 65,45 unequal: No Solution Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[7, 98, 10, 69], Operations: [] Exploring Operation: 98/7=14, Resulting Numbers: [10, 69, 14] Generated Node #0,1: 45:[10, 69, 14] Operation: 98/7=14 Moving to Node #0,1 Current State: 45:[10, 69, 14], Operations: ['98/7=14'] Exploring Operation: 69-14=55, Resulting Numbers: [10, 55] Generated Node #0,1,2: 45:[10, 55] Operation: 69-14=55 Moving to Node #0,1,2 Current State: 45:[10, 55], Operations: ['98/7=14', '69-14=55'] Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 14, 65, 3, 30 ]
39
[ "65-14=51", "3*30=90", "90-51=39" ]
Current State: 39:[14, 65, 3, 30], Operations: [] Exploring Operation: 65-14=51, Resulting Numbers: [3, 30, 51] Generated Node #2: [3, 30, 51] from Operation: 65-14=51 Current State: 39:[3, 30, 51], Operations: ['65-14=51'] Exploring Operation: 3*30=90, Resulting Numbers: [51, 90] Generated Node #3: [51, 90] from Operation: 3*30=90 Current State: 39:[51, 90], Operations: ['65-14=51', '3*30=90'] Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[14, 65, 3, 30], Operations: [] Exploring Operation: 30-14=16, Resulting Numbers: [65, 3, 16] Generated Node #0,0: 39:[65, 3, 16] Operation: 30-14=16 Exploring Operation: 65-30=35, Resulting Numbers: [14, 3, 35] Generated Node #0,1: 39:[14, 3, 35] Operation: 65-30=35 Exploring Operation: 30/3=10, Resulting Numbers: [14, 65, 10] Generated Node #0,2: 39:[14, 65, 10] Operation: 30/3=10 Exploring Operation: 65-14=51, Resulting Numbers: [3, 30, 51] Generated Node #0,3: 39:[3, 30, 51] Operation: 65-14=51 Moving to Node #0,1 Current State: 39:[14, 3, 35], Operations: ['65-30=35'] Exploring Operation: 14+3=17, Resulting Numbers: [35, 17] Generated Node #0,1,0: 39:[35, 17] Operation: 14+3=17 Exploring Operation: 14*3=42, Resulting Numbers: [35, 42] Generated Node #0,1,1: 39:[35, 42] Operation: 14*3=42 Exploring Operation: 14-3=11, Resulting Numbers: [35, 11] Generated Node #0,1,2: 39:[35, 11] Operation: 14-3=11 Exploring Operation: 3+35=38, Resulting Numbers: [14, 38] Generated Node #0,1,3: 39:[14, 38] Operation: 3+35=38 Moving to Node #0,3 Current State: 39:[3, 30, 51], Operations: ['65-14=51'] Exploring Operation: 30/3=10, Resulting Numbers: [51, 10] Generated Node #0,3,0: 39:[51, 10] Operation: 30/3=10 Exploring Operation: 51/3=17, Resulting Numbers: [30, 17] Generated Node #0,3,1: 39:[30, 17] Operation: 51/3=17 Exploring Operation: 3+30=33, Resulting Numbers: [51, 33] Generated Node #0,3,2: 39:[51, 33] Operation: 3+30=33 Exploring Operation: 51-30=21, Resulting Numbers: [3, 21] Generated Node #0,3,3: 39:[3, 21] Operation: 51-30=21 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 39:[3, 21], Operations: ['65-14=51', '51-30=21'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,39 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,39 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,39 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 #0,3,1 Current State: 39:[30, 17], Operations: ['65-14=51', '51/3=17'] Exploring Operation: 30*17=510, Resulting Numbers: [510] 510,39 unequal: No Solution Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,39 unequal: No Solution Exploring Operation: 30+17=47, Resulting Numbers: [47] 47,39 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 #0,3,0 Current State: 39:[51, 10], Operations: ['65-14=51', '30/3=10'] Exploring Operation: 51+10=61, Resulting Numbers: [61] 61,39 unequal: No Solution Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 51*10=510, Resulting Numbers: [510] 510,39 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 #0,3,2 Current State: 39:[51, 33], Operations: ['65-14=51', '3+30=33'] Exploring Operation: 51-33=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 51+33=84, Resulting Numbers: [84] 84,39 unequal: No Solution Exploring Operation: 51*33=1683, Resulting Numbers: [1683] 1683,39 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: 39:[65, 3, 16], Operations: ['30-14=16'] Exploring Operation: 16-3=13, Resulting Numbers: [65, 13] Generated Node #0,0,0: 39:[65, 13] Operation: 16-3=13 Exploring Operation: 65+3=68, Resulting Numbers: [16, 68] Generated Node #0,0,1: 39:[16, 68] Operation: 65+3=68 Exploring Operation: 65-16=49, Resulting Numbers: [3, 49] Generated Node #0,0,2: 39:[3, 49] Operation: 65-16=49 Exploring Operation: 65-3=62, Resulting Numbers: [16, 62] Generated Node #0,0,3: 39:[16, 62] Operation: 65-3=62 Moving to Node #0,2 Current State: 39:[14, 65, 10], Operations: ['30/3=10'] Exploring Operation: 65-14=51, Resulting Numbers: [10, 51] Generated Node #0,2,0: 39:[10, 51] Operation: 65-14=51 Exploring Operation: 14+10=24, Resulting Numbers: [65, 24] Generated Node #0,2,1: 39:[65, 24] Operation: 14+10=24 Exploring Operation: 14-10=4, Resulting Numbers: [65, 4] Generated Node #0,2,2: 39:[65, 4] Operation: 14-10=4 Exploring Operation: 65-10=55, Resulting Numbers: [14, 55] Generated Node #0,2,3: 39:[14, 55] Operation: 65-10=55 Moving to Node #0,1,3 Current State: 39:[14, 38], Operations: ['65-30=35', '3+35=38'] Exploring Operation: 14*38=532, Resulting Numbers: [532] 532,39 unequal: No Solution Exploring Operation: 38-14=24, Resulting Numbers: [24] 24,39 unequal: No Solution Exploring Operation: 14+38=52, Resulting Numbers: [52] 52,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[35, 11], Operations: ['65-30=35', '14-3=11'] Exploring Operation: 35*11=385, Resulting Numbers: [385] 385,39 unequal: No Solution Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,39 unequal: No Solution Exploring Operation: 35+11=46, Resulting Numbers: [46] 46,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[35, 42], Operations: ['65-30=35', '14*3=42'] Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,39 unequal: No Solution Exploring Operation: 35*42=1470, Resulting Numbers: [1470] 1470,39 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[35, 17], Operations: ['65-30=35', '14+3=17'] Exploring Operation: 35*17=595, Resulting Numbers: [595] 595,39 unequal: No Solution Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[3, 49], Operations: ['30-14=16', '65-16=49'] Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,39 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,39 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[10, 51], Operations: ['30/3=10', '65-14=51'] Exploring Operation: 10+51=61, Resulting Numbers: [61] 61,39 unequal: No Solution Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 10*51=510, Resulting Numbers: [510] 510,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[14, 55], Operations: ['30/3=10', '65-10=55'] Exploring Operation: 14*55=770, Resulting Numbers: [770] 770,39 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 14+55=69, Resulting Numbers: [69] 69,39 unequal: No Solution Moving to Node #0,0,3 Current State: 39:[16, 62], Operations: ['30-14=16', '65-3=62'] Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 16+62=78, Resulting Numbers: [78] 78,39 unequal: No Solution Exploring Operation: 16*62=992, Resulting Numbers: [992] 992,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[65, 13], Operations: ['30-14=16', '16-3=13'] Exploring Operation: 65-13=52, Resulting Numbers: [52] 52,39 unequal: No Solution Exploring Operation: 65*13=845, Resulting Numbers: [845] 845,39 unequal: No Solution Exploring Operation: 65/13=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 65+13=78, Resulting Numbers: [78] 78,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[65, 4], Operations: ['30/3=10', '14-10=4'] Exploring Operation: 65*4=260, Resulting Numbers: [260] 260,39 unequal: No Solution Exploring Operation: 65+4=69, Resulting Numbers: [69] 69,39 unequal: No Solution Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[16, 68], Operations: ['30-14=16', '65+3=68'] Exploring Operation: 16+68=84, Resulting Numbers: [84] 84,39 unequal: No Solution Exploring Operation: 16*68=1088, Resulting Numbers: [1088] 1088,39 unequal: No Solution Exploring Operation: 68-16=52, Resulting Numbers: [52] 52,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[65, 24], Operations: ['30/3=10', '14+10=24'] Exploring Operation: 65*24=1560, Resulting Numbers: [1560] 1560,39 unequal: No Solution Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 65+24=89, Resulting Numbers: [89] 89,39 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 39, 25, 31, 30 ]
54
[ "39-30=9", "31-25=6", "9*6=54" ]
Current State: 54:[39, 25, 31, 30], Operations: [] Exploring Operation: 39-30=9, Resulting Numbers: [25, 31, 9] Generated Node #2: [25, 31, 9] from Operation: 39-30=9 Current State: 54:[25, 31, 9], Operations: ['39-30=9'] Exploring Operation: 31-25=6, Resulting Numbers: [9, 6] Generated Node #3: [9, 6] from Operation: 31-25=6 Current State: 54:[9, 6], Operations: ['39-30=9', '31-25=6'] Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[39, 25, 31, 30], Operations: [] Exploring Operation: 39-31=8, Resulting Numbers: [25, 30, 8] Generated Node #0,0: 54:[25, 30, 8] Operation: 39-31=8 Exploring Operation: 39-30=9, Resulting Numbers: [25, 31, 9] Generated Node #0,1: 54:[25, 31, 9] Operation: 39-30=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[25, 30, 8], Operations: ['39-31=8'] Exploring Operation: 25+30=55, Resulting Numbers: [8, 55] Generated Node #0,0,0: 54:[8, 55] Operation: 25+30=55 Exploring Operation: 30-25=5, Resulting Numbers: [8, 5] Generated Node #0,0,1: 54:[8, 5] Operation: 30-25=5 Moving to Node #0,0,0 Current State: 54:[8, 55], Operations: ['39-31=8', '25+30=55'] Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,54 unequal: No Solution Exploring Operation: 8+55=63, Resulting Numbers: [63] 63,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[8, 5], Operations: ['39-31=8', '30-25=5'] Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,54 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 #0,1 Current State: 54:[25, 31, 9], Operations: ['39-30=9'] Exploring Operation: 25+31=56, Resulting Numbers: [9, 56] Generated Node #0,1,0: 54:[9, 56] Operation: 25+31=56 Exploring Operation: 31-25=6, Resulting Numbers: [9, 6] Generated Node #0,1,1: 54:[9, 6] Operation: 31-25=6 Moving to Node #0,1,1 Current State: 54:[9, 6], Operations: ['39-30=9', '31-25=6'] Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[39, 25, 31, 30], Operations: [] Exploring Operation: 39-30=9, Resulting Numbers: [25, 31, 9] Generated Node #0,1: 54:[25, 31, 9] Operation: 39-30=9 Moving to Node #0,1 Current State: 54:[25, 31, 9], Operations: ['39-30=9'] Exploring Operation: 31-25=6, Resulting Numbers: [9, 6] Generated Node #0,1,1: 54:[9, 6] Operation: 31-25=6 Moving to Node #0,1,1 Current State: 54:[9, 6], Operations: ['39-30=9', '31-25=6'] Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 2, 73, 17, 33 ]
27
[ "17+33=50", "2*50=100", "100-73=27" ]
Current State: 27:[2, 73, 17, 33], Operations: [] Exploring Operation: 17+33=50, Resulting Numbers: [2, 73, 50] Generated Node #2: [2, 73, 50] from Operation: 17+33=50 Current State: 27:[2, 73, 50], Operations: ['17+33=50'] Exploring Operation: 2*50=100, Resulting Numbers: [73, 100] Generated Node #3: [73, 100] from Operation: 2*50=100 Current State: 27:[73, 100], Operations: ['17+33=50', '2*50=100'] Exploring Operation: 100-73=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[2, 73, 17, 33], Operations: [] Exploring Operation: 73-33=40, Resulting Numbers: [2, 17, 40] Generated Node #0,0: 27:[2, 17, 40] Operation: 73-33=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[2, 17, 40], Operations: ['73-33=40'] Exploring Operation: 40-17=23, Resulting Numbers: [2, 23] Generated Node #0,0,0: 27:[2, 23] Operation: 40-17=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[2, 23], Operations: ['73-33=40', '40-17=23'] Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 28, 75, 46, 72 ]
73
[ "75-28=47", "72-46=26", "47+26=73" ]
Current State: 73:[28, 75, 46, 72], Operations: [] Exploring Operation: 75-28=47, Resulting Numbers: [46, 72, 47] Generated Node #2: [46, 72, 47] from Operation: 75-28=47 Current State: 73:[46, 72, 47], Operations: ['75-28=47'] Exploring Operation: 72-46=26, Resulting Numbers: [47, 26] Generated Node #3: [47, 26] from Operation: 72-46=26 Current State: 73:[47, 26], Operations: ['75-28=47', '72-46=26'] Exploring Operation: 47+26=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[28, 75, 46, 72], Operations: [] Exploring Operation: 75-28=47, Resulting Numbers: [46, 72, 47] Generated Node #0,0: 73:[46, 72, 47] Operation: 75-28=47 Exploring Operation: 28+46=74, Resulting Numbers: [75, 72, 74] Generated Node #0,1: 73:[75, 72, 74] Operation: 28+46=74 Exploring Operation: 28+72=100, Resulting Numbers: [75, 46, 100] Generated Node #0,2: 73:[75, 46, 100] Operation: 28+72=100 Moving to Node #0,1 Current State: 73:[75, 72, 74], Operations: ['28+46=74'] Exploring Operation: 74-72=2, Resulting Numbers: [75, 2] Generated Node #0,1,0: 73:[75, 2] Operation: 74-72=2 Exploring Operation: 75-74=1, Resulting Numbers: [72, 1] Generated Node #0,1,1: 73:[72, 1] Operation: 75-74=1 Exploring Operation: 75-72=3, Resulting Numbers: [74, 3] Generated Node #0,1,2: 73:[74, 3] Operation: 75-72=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[74, 3], Operations: ['28+46=74', '75-72=3'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,73 unequal: No Solution Exploring Operation: 74*3=222, Resulting Numbers: [222] 222,73 unequal: No Solution Exploring Operation: 74+3=77, Resulting Numbers: [77] 77,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[75, 2], Operations: ['28+46=74', '74-72=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,73 unequal: No Solution Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[28, 75, 46, 72], Operations: [] Exploring Operation: 28+46=74, Resulting Numbers: [75, 72, 74] Generated Node #0,1: 73:[75, 72, 74] Operation: 28+46=74 Moving to Node #0,1 Current State: 73:[75, 72, 74], Operations: ['28+46=74'] Exploring Operation: 74-72=2, Resulting Numbers: [75, 2] Generated Node #0,1,0: 73:[75, 2] Operation: 74-72=2 Moving to Node #0,1,0 Current State: 73:[75, 2], Operations: ['28+46=74', '74-72=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 6, 50, 81, 69 ]
33
[ "69-50=19", "6*19=114", "114-81=33" ]
Current State: 33:[6, 50, 81, 69], Operations: [] Exploring Operation: 69-50=19, Resulting Numbers: [6, 81, 19] Generated Node #2: [6, 81, 19] from Operation: 69-50=19 Current State: 33:[6, 81, 19], Operations: ['69-50=19'] Exploring Operation: 6*19=114, Resulting Numbers: [81, 114] Generated Node #3: [81, 114] from Operation: 6*19=114 Current State: 33:[81, 114], Operations: ['69-50=19', '6*19=114'] Exploring Operation: 114-81=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[6, 50, 81, 69], Operations: [] Exploring Operation: 50-6=44, Resulting Numbers: [81, 69, 44] Generated Node #0,0: 33:[81, 69, 44] Operation: 50-6=44 Exploring Operation: 81-69=12, Resulting Numbers: [6, 50, 12] Generated Node #0,1: 33:[6, 50, 12] Operation: 81-69=12 Exploring Operation: 81-50=31, Resulting Numbers: [6, 69, 31] Generated Node #0,2: 33:[6, 69, 31] Operation: 81-50=31 Exploring Operation: 69-50=19, Resulting Numbers: [6, 81, 19] Generated Node #0,3: 33:[6, 81, 19] Operation: 69-50=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[6, 50, 12], Operations: ['81-69=12'] Exploring Operation: 50-6=44, Resulting Numbers: [12, 44] Generated Node #0,1,0: 33:[12, 44] Operation: 50-6=44 Exploring Operation: 12-6=6, Resulting Numbers: [50, 6] Generated Node #0,1,1: 33:[50, 6] Operation: 12-6=6 Exploring Operation: 12/6=2, Resulting Numbers: [50, 2] Generated Node #0,1,2: 33:[50, 2] Operation: 12/6=2 Exploring Operation: 50-12=38, Resulting Numbers: [6, 38] Generated Node #0,1,3: 33:[6, 38] Operation: 50-12=38 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 33:[6, 38], Operations: ['81-69=12', '50-12=38'] Exploring Operation: 6+38=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 6*38=228, Resulting Numbers: [228] 228,33 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 #0,1,0 Current State: 33:[12, 44], Operations: ['81-69=12', '50-6=44'] Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 12+44=56, Resulting Numbers: [56] 56,33 unequal: No Solution Exploring Operation: 12*44=528, Resulting Numbers: [528] 528,33 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 #0,1,2 Current State: 33:[50, 2], Operations: ['81-69=12', '12/6=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,33 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,33 unequal: No Solution Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,33 unequal: No Solution Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,33 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:[50, 6], Operations: ['81-69=12', '12-6=6'] Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,33 unequal: No Solution Exploring Operation: 50*6=300, Resulting Numbers: [300] 300,33 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 #0,2 Current State: 33:[6, 69, 31], Operations: ['81-50=31'] Exploring Operation: 6+69=75, Resulting Numbers: [31, 75] Generated Node #0,2,0: 33:[31, 75] Operation: 6+69=75 Exploring Operation: 69-31=38, Resulting Numbers: [6, 38] Generated Node #0,2,1: 33:[6, 38] Operation: 69-31=38 Exploring Operation: 6+31=37, Resulting Numbers: [69, 37] Generated Node #0,2,2: 33:[69, 37] Operation: 6+31=37 Exploring Operation: 69-6=63, Resulting Numbers: [31, 63] Generated Node #0,2,3: 33:[31, 63] Operation: 69-6=63 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 33:[6, 38], Operations: ['81-50=31', '69-31=38'] Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 6+38=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 6*38=228, Resulting Numbers: [228] 228,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 33:[31, 63], Operations: ['81-50=31', '69-6=63'] Exploring Operation: 63-31=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 31+63=94, Resulting Numbers: [94] 94,33 unequal: No Solution Exploring Operation: 31*63=1953, Resulting Numbers: [1953] 1953,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 33:[69, 37], Operations: ['81-50=31', '6+31=37'] Exploring Operation: 69+37=106, Resulting Numbers: [106] 106,33 unequal: No Solution Exploring Operation: 69-37=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 69*37=2553, Resulting Numbers: [2553] 2553,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 33:[31, 75], Operations: ['81-50=31', '6+69=75'] Exploring Operation: 31*75=2325, Resulting Numbers: [2325] 2325,33 unequal: No Solution Exploring Operation: 75-31=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 31+75=106, Resulting Numbers: [106] 106,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[6, 81, 19], Operations: ['69-50=19'] Exploring Operation: 81-19=62, Resulting Numbers: [6, 62] Generated Node #0,3,0: 33:[6, 62] Operation: 81-19=62 Exploring Operation: 81-6=75, Resulting Numbers: [19, 75] Generated Node #0,3,1: 33:[19, 75] Operation: 81-6=75 Exploring Operation: 19-6=13, Resulting Numbers: [81, 13] Generated Node #0,3,2: 33:[81, 13] Operation: 19-6=13 Exploring Operation: 6+19=25, Resulting Numbers: [81, 25] Generated Node #0,3,3: 33:[81, 25] Operation: 6+19=25 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 33:[6, 62], Operations: ['69-50=19', '81-19=62'] Exploring Operation: 6+62=68, Resulting Numbers: [68] 68,33 unequal: No Solution Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,33 unequal: No Solution Exploring Operation: 6*62=372, Resulting Numbers: [372] 372,33 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 #0,3,1 Current State: 33:[19, 75], Operations: ['69-50=19', '81-6=75'] Exploring Operation: 75-19=56, Resulting Numbers: [56] 56,33 unequal: No Solution Exploring Operation: 19+75=94, Resulting Numbers: [94] 94,33 unequal: No Solution Exploring Operation: 19*75=1425, Resulting Numbers: [1425] 1425,33 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 #0,3,2 Current State: 33:[81, 13], Operations: ['69-50=19', '19-6=13'] Exploring Operation: 81+13=94, Resulting Numbers: [94] 94,33 unequal: No Solution Exploring Operation: 81*13=1053, Resulting Numbers: [1053] 1053,33 unequal: No Solution Exploring Operation: 81-13=68, Resulting Numbers: [68] 68,33 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 #0,3,3 Current State: 33:[81, 25], Operations: ['69-50=19', '6+19=25'] Exploring Operation: 81+25=106, Resulting Numbers: [106] 106,33 unequal: No Solution Exploring Operation: 81-25=56, Resulting Numbers: [56] 56,33 unequal: No Solution Exploring Operation: 81*25=2025, Resulting Numbers: [2025] 2025,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[81, 69, 44], Operations: ['50-6=44'] Exploring Operation: 81+69=150, Resulting Numbers: [44, 150] Generated Node #0,0,0: 33:[44, 150] Operation: 81+69=150 Exploring Operation: 69-44=25, Resulting Numbers: [81, 25] Generated Node #0,0,1: 33:[81, 25] Operation: 69-44=25 Exploring Operation: 81-69=12, Resulting Numbers: [44, 12] Generated Node #0,0,2: 33:[44, 12] Operation: 81-69=12 Exploring Operation: 81-44=37, Resulting Numbers: [69, 37] Generated Node #0,0,3: 33:[69, 37] Operation: 81-44=37 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 33:[44, 12], Operations: ['50-6=44', '81-69=12'] Exploring Operation: 44*12=528, Resulting Numbers: [528] 528,33 unequal: No Solution Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 44+12=56, Resulting Numbers: [56] 56,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 33:[69, 37], Operations: ['50-6=44', '81-44=37'] Exploring Operation: 69-37=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 69*37=2553, Resulting Numbers: [2553] 2553,33 unequal: No Solution Exploring Operation: 69+37=106, Resulting Numbers: [106] 106,33 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:[81, 25], Operations: ['50-6=44', '69-44=25'] Exploring Operation: 81+25=106, Resulting Numbers: [106] 106,33 unequal: No Solution Exploring Operation: 81-25=56, Resulting Numbers: [56] 56,33 unequal: No Solution Exploring Operation: 81*25=2025, Resulting Numbers: [2025] 2025,33 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 #0,0,0 Current State: 33:[44, 150], Operations: ['50-6=44', '81+69=150'] Exploring Operation: 150-44=106, Resulting Numbers: [106] 106,33 unequal: No Solution Exploring Operation: 44*150=6600, Resulting Numbers: [6600] 6600,33 unequal: No Solution Exploring Operation: 44+150=194, Resulting Numbers: [194] 194,33 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_4
mult_heuristic
[ 18, 56, 36, 31 ]
43
[ "56-18=38", "36-31=5", "38+5=43" ]
Current State: 43:[18, 56, 36, 31], Operations: [] Exploring Operation: 56-18=38, Resulting Numbers: [36, 31, 38] Generated Node #2: [36, 31, 38] from Operation: 56-18=38 Current State: 43:[36, 31, 38], Operations: ['56-18=38'] Exploring Operation: 36-31=5, Resulting Numbers: [38, 5] Generated Node #3: [38, 5] from Operation: 36-31=5 Current State: 43:[38, 5], Operations: ['56-18=38', '36-31=5'] Exploring Operation: 38+5=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[18, 56, 36, 31], Operations: [] Exploring Operation: 56-18=38, Resulting Numbers: [36, 31, 38] Generated Node #0,0: 43:[36, 31, 38] Operation: 56-18=38 Exploring Operation: 18+31=49, Resulting Numbers: [56, 36, 49] Generated Node #0,1: 43:[56, 36, 49] Operation: 18+31=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[36, 31, 38], Operations: ['56-18=38'] Exploring Operation: 31+38=69, Resulting Numbers: [36, 69] Generated Node #0,0,0: 43:[36, 69] Operation: 31+38=69 Exploring Operation: 36+31=67, Resulting Numbers: [38, 67] Generated Node #0,0,1: 43:[38, 67] Operation: 36+31=67 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[38, 67], Operations: ['56-18=38', '36+31=67'] Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 38+67=105, Resulting Numbers: [105] 105,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[36, 69], Operations: ['56-18=38', '31+38=69'] Exploring Operation: 36+69=105, Resulting Numbers: [105] 105,43 unequal: No Solution Exploring Operation: 69-36=33, Resulting Numbers: [33] 33,43 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:[56, 36, 49], Operations: ['18+31=49'] Exploring Operation: 56-36=20, Resulting Numbers: [49, 20] Generated Node #0,1,0: 43:[49, 20] Operation: 56-36=20 Exploring Operation: 56-49=7, Resulting Numbers: [36, 7] Generated Node #0,1,1: 43:[36, 7] Operation: 56-49=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[49, 20], Operations: ['18+31=49', '56-36=20'] Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 49+20=69, Resulting Numbers: [69] 69,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[36, 7], Operations: ['18+31=49', '56-49=7'] Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[18, 56, 36, 31], Operations: [] Exploring Operation: 18+31=49, Resulting Numbers: [56, 36, 49] Generated Node #0,1: 43:[56, 36, 49] Operation: 18+31=49 Moving to Node #0,1 Current State: 43:[56, 36, 49], Operations: ['18+31=49'] Exploring Operation: 56-49=7, Resulting Numbers: [36, 7] Generated Node #0,1,1: 43:[36, 7] Operation: 56-49=7 Moving to Node #0,1,1 Current State: 43:[36, 7], Operations: ['18+31=49', '56-49=7'] Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_2
mult_heuristic
[ 87, 87, 96, 75 ]
22
[ "87/87=1", "96-75=21", "1+21=22" ]
Current State: 22:[87, 87, 96, 75], Operations: [] Exploring Operation: 87/87=1, Resulting Numbers: [96, 75, 1] Generated Node #2: [96, 75, 1] from Operation: 87/87=1 Current State: 22:[96, 75, 1], Operations: ['87/87=1'] Exploring Operation: 96-75=21, Resulting Numbers: [1, 21] Generated Node #3: [1, 21] from Operation: 96-75=21 Current State: 22:[1, 21], Operations: ['87/87=1', '96-75=21'] Exploring Operation: 1+21=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[87, 87, 96, 75], Operations: [] Exploring Operation: 96-87=9, Resulting Numbers: [87, 75, 9] Generated Node #0,0: 22:[87, 75, 9] Operation: 96-87=9 Exploring Operation: 96-87=9, Resulting Numbers: [87, 75, 9] Generated Node #0,1: 22:[87, 75, 9] Operation: 96-87=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[87, 75, 9], Operations: ['96-87=9'] Exploring Operation: 87-9=78, Resulting Numbers: [75, 78] Generated Node #0,0,0: 22:[75, 78] Operation: 87-9=78 Exploring Operation: 87-75=12, Resulting Numbers: [9, 12] Generated Node #0,0,1: 22:[9, 12] Operation: 87-75=12 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 22:[9, 12], Operations: ['96-87=9', '87-75=12'] Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,22 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[75, 78], Operations: ['96-87=9', '87-9=78'] Exploring Operation: 78-75=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 75+78=153, Resulting Numbers: [153] 153,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[87, 75, 9], Operations: ['96-87=9'] Exploring Operation: 87-75=12, Resulting Numbers: [9, 12] Generated Node #0,1,0: 22:[9, 12] Operation: 87-75=12 Exploring Operation: 87-9=78, Resulting Numbers: [75, 78] Generated Node #0,1,1: 22:[75, 78] Operation: 87-9=78 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 22:[9, 12], Operations: ['96-87=9', '87-75=12'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 22:[75, 78], Operations: ['96-87=9', '87-9=78'] Exploring Operation: 75+78=153, Resulting Numbers: [153] 153,22 unequal: No Solution Exploring Operation: 78-75=3, Resulting Numbers: [3] 3,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 20, 5, 71, 25 ]
96
[ "20+71=91", "25/5=5", "91+5=96" ]
Current State: 96:[20, 5, 71, 25], Operations: [] Exploring Operation: 20+71=91, Resulting Numbers: [5, 25, 91] Generated Node #2: [5, 25, 91] from Operation: 20+71=91 Current State: 96:[5, 25, 91], Operations: ['20+71=91'] Exploring Operation: 25/5=5, Resulting Numbers: [91, 5] Generated Node #3: [91, 5] from Operation: 25/5=5 Current State: 96:[91, 5], Operations: ['20+71=91', '25/5=5'] Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[20, 5, 71, 25], Operations: [] Exploring Operation: 71-20=51, Resulting Numbers: [5, 25, 51] Generated Node #0,0: 96:[5, 25, 51] Operation: 71-20=51 Exploring Operation: 71+25=96, Resulting Numbers: [20, 5, 96] Generated Node #0,1: 96:[20, 5, 96] Operation: 71+25=96 Moving to Node #0,0 Current State: 96:[5, 25, 51], Operations: ['71-20=51'] Exploring Operation: 51-25=26, Resulting Numbers: [5, 26] Generated Node #0,0,0: 96:[5, 26] Operation: 51-25=26 Exploring Operation: 51-5=46, Resulting Numbers: [25, 46] Generated Node #0,0,1: 96:[25, 46] Operation: 51-5=46 Moving to Node #0,1 Current State: 96:[20, 5, 96], Operations: ['71+25=96'] Exploring Operation: 20+5=25, Resulting Numbers: [96, 25] Generated Node #0,1,0: 96:[96, 25] Operation: 20+5=25 Exploring Operation: 20/5=4, Resulting Numbers: [96, 4] Generated Node #0,1,1: 96:[96, 4] Operation: 20/5=4 Moving to Node #0,1,1 Current State: 96:[96, 4], Operations: ['71+25=96', '20/5=4'] Exploring Operation: 96+4=100, Resulting Numbers: [100] 100,96 unequal: No Solution Exploring Operation: 96/4=24, Resulting Numbers: [24] 24,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[96, 25], Operations: ['71+25=96', '20+5=25'] Exploring Operation: 96-25=71, Resulting Numbers: [71] 71,96 unequal: No Solution Exploring Operation: 96+25=121, Resulting Numbers: [121] 121,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[25, 46], Operations: ['71-20=51', '51-5=46'] Exploring Operation: 25+46=71, Resulting Numbers: [71] 71,96 unequal: No Solution Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[5, 26], Operations: ['71-20=51', '51-25=26'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,96 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 45, 28, 2, 7 ]
90
[ "45*28=1260", "2*7=14", "1260/14=90" ]
Current State: 90:[45, 28, 2, 7], Operations: [] Exploring Operation: 45*28=1260, Resulting Numbers: [2, 7, 1260] Generated Node #2: [2, 7, 1260] from Operation: 45*28=1260 Current State: 90:[2, 7, 1260], Operations: ['45*28=1260'] Exploring Operation: 2*7=14, Resulting Numbers: [1260, 14] Generated Node #3: [1260, 14] from Operation: 2*7=14 Current State: 90:[1260, 14], Operations: ['45*28=1260', '2*7=14'] Exploring Operation: 1260/14=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[45, 28, 2, 7], Operations: [] Exploring Operation: 28/7=4, Resulting Numbers: [45, 2, 4] Generated Node #0,0: 90:[45, 2, 4] Operation: 28/7=4 Exploring Operation: 28/2=14, Resulting Numbers: [45, 7, 14] Generated Node #0,1: 90:[45, 7, 14] Operation: 28/2=14 Exploring Operation: 45-28=17, Resulting Numbers: [2, 7, 17] Generated Node #0,2: 90:[2, 7, 17] Operation: 45-28=17 Exploring Operation: 28+2=30, Resulting Numbers: [45, 7, 30] Generated Node #0,3: 90:[45, 7, 30] Operation: 28+2=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[45, 2, 4], Operations: ['28/7=4'] Exploring Operation: 2+4=6, Resulting Numbers: [45, 6] Generated Node #0,0,0: 90:[45, 6] Operation: 2+4=6 Exploring Operation: 45*2=90, Resulting Numbers: [4, 90] Generated Node #0,0,1: 90:[4, 90] Operation: 45*2=90 Exploring Operation: 4/2=2, Resulting Numbers: [45, 2] Generated Node #0,0,2: 90:[45, 2] Operation: 4/2=2 Exploring Operation: 4-2=2, Resulting Numbers: [45, 2] Generated Node #0,0,3: 90:[45, 2] Operation: 4-2=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[45, 6], Operations: ['28/7=4', '2+4=6'] Exploring Operation: 45*6=270, Resulting Numbers: [270] 270,90 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 45+6=51, Resulting Numbers: [51] 51,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[45, 2], Operations: ['28/7=4', '4/2=2'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[45, 28, 2, 7], Operations: [] Exploring Operation: 28/7=4, Resulting Numbers: [45, 2, 4] Generated Node #0,0: 90:[45, 2, 4] Operation: 28/7=4 Moving to Node #0,0 Current State: 90:[45, 2, 4], Operations: ['28/7=4'] Exploring Operation: 4/2=2, Resulting Numbers: [45, 2] Generated Node #0,0,2: 90:[45, 2] Operation: 4/2=2 Moving to Node #0,0,2 Current State: 90:[45, 2], Operations: ['28/7=4', '4/2=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 85, 85, 1, 17 ]
34
[ "85/85=1", "1+1=2", "17*2=34" ]
Current State: 34:[85, 85, 1, 17], Operations: [] Exploring Operation: 85/85=1, Resulting Numbers: [1, 17, 1] Generated Node #2: [1, 17, 1] from Operation: 85/85=1 Current State: 34:[1, 17, 1], Operations: ['85/85=1'] Exploring Operation: 1+1=2, Resulting Numbers: [17, 2] Generated Node #3: [17, 2] from Operation: 1+1=2 Current State: 34:[17, 2], Operations: ['85/85=1', '1+1=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[85, 85, 1, 17], Operations: [] Exploring Operation: 85-85=0, Resulting Numbers: [1, 17, 0] Generated Node #0,0: 34:[1, 17, 0] Operation: 85-85=0 Exploring Operation: 85/85=1, Resulting Numbers: [1, 17, 1] Generated Node #0,1: 34:[1, 17, 1] Operation: 85/85=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[1, 17, 1], Operations: ['85/85=1'] Exploring Operation: 1*17=17, Resulting Numbers: [1, 17] Generated Node #0,1,0: 34:[1, 17] Operation: 1*17=17 Exploring Operation: 1+1=2, Resulting Numbers: [17, 2] Generated Node #0,1,1: 34:[17, 2] Operation: 1+1=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[17, 2], Operations: ['85/85=1', '1+1=2'] Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[85, 85, 1, 17], Operations: [] Exploring Operation: 85/85=1, Resulting Numbers: [1, 17, 1] Generated Node #0,1: 34:[1, 17, 1] Operation: 85/85=1 Moving to Node #0,1 Current State: 34:[1, 17, 1], Operations: ['85/85=1'] Exploring Operation: 1+1=2, Resulting Numbers: [17, 2] Generated Node #0,1,1: 34:[17, 2] Operation: 1+1=2 Moving to Node #0,1,1 Current State: 34:[17, 2], Operations: ['85/85=1', '1+1=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 96, 53, 2, 82 ]
92
[ "96-82=14", "53*2=106", "106-14=92" ]
Current State: 92:[96, 53, 2, 82], Operations: [] Exploring Operation: 96-82=14, Resulting Numbers: [53, 2, 14] Generated Node #2: [53, 2, 14] from Operation: 96-82=14 Current State: 92:[53, 2, 14], Operations: ['96-82=14'] Exploring Operation: 53*2=106, Resulting Numbers: [14, 106] Generated Node #3: [14, 106] from Operation: 53*2=106 Current State: 92:[14, 106], Operations: ['96-82=14', '53*2=106'] Exploring Operation: 106-14=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[96, 53, 2, 82], Operations: [] Exploring Operation: 82-53=29, Resulting Numbers: [96, 2, 29] Generated Node #0,0: 92:[96, 2, 29] Operation: 82-53=29 Exploring Operation: 96-82=14, Resulting Numbers: [53, 2, 14] Generated Node #0,1: 92:[53, 2, 14] Operation: 96-82=14 Exploring Operation: 82/2=41, Resulting Numbers: [96, 53, 41] Generated Node #0,2: 92:[96, 53, 41] Operation: 82/2=41 Exploring Operation: 96-53=43, Resulting Numbers: [2, 82, 43] Generated Node #0,3: 92:[2, 82, 43] Operation: 96-53=43 Moving to Node #0,0 Current State: 92:[96, 2, 29], Operations: ['82-53=29'] Exploring Operation: 96/2=48, Resulting Numbers: [29, 48] Generated Node #0,0,0: 92:[29, 48] Operation: 96/2=48 Exploring Operation: 96-2=94, Resulting Numbers: [29, 94] Generated Node #0,0,1: 92:[29, 94] Operation: 96-2=94 Exploring Operation: 96+2=98, Resulting Numbers: [29, 98] Generated Node #0,0,2: 92:[29, 98] Operation: 96+2=98 Exploring Operation: 29-2=27, Resulting Numbers: [96, 27] Generated Node #0,0,3: 92:[96, 27] Operation: 29-2=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[29, 48], Operations: ['82-53=29', '96/2=48'] Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 29+48=77, Resulting Numbers: [77] 77,92 unequal: No Solution Exploring Operation: 29*48=1392, Resulting Numbers: [1392] 1392,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 92:[29, 94], Operations: ['82-53=29', '96-2=94'] Exploring Operation: 94-29=65, Resulting Numbers: [65] 65,92 unequal: No Solution Exploring Operation: 29+94=123, Resulting Numbers: [123] 123,92 unequal: No Solution Exploring Operation: 29*94=2726, Resulting Numbers: [2726] 2726,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 92:[96, 27], Operations: ['82-53=29', '29-2=27'] Exploring Operation: 96+27=123, Resulting Numbers: [123] 123,92 unequal: No Solution Exploring Operation: 96-27=69, Resulting Numbers: [69] 69,92 unequal: No Solution Exploring Operation: 96*27=2592, Resulting Numbers: [2592] 2592,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 92:[29, 98], Operations: ['82-53=29', '96+2=98'] Exploring Operation: 29*98=2842, Resulting Numbers: [2842] 2842,92 unequal: No Solution Exploring Operation: 98-29=69, Resulting Numbers: [69] 69,92 unequal: No Solution Exploring Operation: 29+98=127, Resulting Numbers: [127] 127,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 92:[2, 82, 43], Operations: ['96-53=43'] Exploring Operation: 82/2=41, Resulting Numbers: [43, 41] Generated Node #0,3,0: 92:[43, 41] Operation: 82/2=41 Exploring Operation: 2+82=84, Resulting Numbers: [43, 84] Generated Node #0,3,1: 92:[43, 84] Operation: 2+82=84 Exploring Operation: 82-43=39, Resulting Numbers: [2, 39] Generated Node #0,3,2: 92:[2, 39] Operation: 82-43=39 Exploring Operation: 2+43=45, Resulting Numbers: [82, 45] Generated Node #0,3,3: 92:[82, 45] Operation: 2+43=45 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 92:[2, 39], Operations: ['96-53=43', '82-43=39'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 92:[43, 41], Operations: ['96-53=43', '82/2=41'] Exploring Operation: 43*41=1763, Resulting Numbers: [1763] 1763,92 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 43+41=84, Resulting Numbers: [84] 84,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 92:[43, 84], Operations: ['96-53=43', '2+82=84'] Exploring Operation: 43+84=127, Resulting Numbers: [127] 127,92 unequal: No Solution Exploring Operation: 43*84=3612, Resulting Numbers: [3612] 3612,92 unequal: No Solution Exploring Operation: 84-43=41, Resulting Numbers: [41] 41,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 92:[82, 45], Operations: ['96-53=43', '2+43=45'] Exploring Operation: 82+45=127, Resulting Numbers: [127] 127,92 unequal: No Solution Exploring Operation: 82*45=3690, Resulting Numbers: [3690] 3690,92 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 92:[96, 53, 41], Operations: ['82/2=41'] Exploring Operation: 96-41=55, Resulting Numbers: [53, 55] Generated Node #0,2,0: 92:[53, 55] Operation: 96-41=55 Exploring Operation: 53+41=94, Resulting Numbers: [96, 94] Generated Node #0,2,1: 92:[96, 94] Operation: 53+41=94 Exploring Operation: 96-53=43, Resulting Numbers: [41, 43] Generated Node #0,2,2: 92:[41, 43] Operation: 96-53=43 Exploring Operation: 53-41=12, Resulting Numbers: [96, 12] Generated Node #0,2,3: 92:[96, 12] Operation: 53-41=12 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[96, 94], Operations: ['82/2=41', '53+41=94'] Exploring Operation: 96-94=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 96+94=190, Resulting Numbers: [190] 190,92 unequal: No Solution Exploring Operation: 96*94=9024, Resulting Numbers: [9024] 9024,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[41, 43], Operations: ['82/2=41', '96-53=43'] Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,92 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 41*43=1763, Resulting Numbers: [1763] 1763,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 92:[96, 12], Operations: ['82/2=41', '53-41=12'] Exploring Operation: 96-12=84, Resulting Numbers: [84] 84,92 unequal: No Solution Exploring Operation: 96/12=8, Resulting Numbers: [8] 8,92 unequal: No Solution Exploring Operation: 96*12=1152, Resulting Numbers: [1152] 1152,92 unequal: No Solution Exploring Operation: 96+12=108, Resulting Numbers: [108] 108,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[53, 55], Operations: ['82/2=41', '96-41=55'] Exploring Operation: 53+55=108, Resulting Numbers: [108] 108,92 unequal: No Solution Exploring Operation: 53*55=2915, Resulting Numbers: [2915] 2915,92 unequal: No Solution Exploring Operation: 55-53=2, Resulting Numbers: [2] 2,92 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: 92:[53, 2, 14], Operations: ['96-82=14'] Exploring Operation: 2*14=28, Resulting Numbers: [53, 28] Generated Node #0,1,0: 92:[53, 28] Operation: 2*14=28 Exploring Operation: 53-14=39, Resulting Numbers: [2, 39] Generated Node #0,1,1: 92:[2, 39] Operation: 53-14=39 Exploring Operation: 14/2=7, Resulting Numbers: [53, 7] Generated Node #0,1,2: 92:[53, 7] Operation: 14/2=7 Exploring Operation: 53-2=51, Resulting Numbers: [14, 51] Generated Node #0,1,3: 92:[14, 51] Operation: 53-2=51 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[2, 39], Operations: ['96-82=14', '53-14=39'] Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,92 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 92:[53, 7], Operations: ['96-82=14', '14/2=7'] Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,92 unequal: No Solution Exploring Operation: 53*7=371, Resulting Numbers: [371] 371,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[53, 28], Operations: ['96-82=14', '2*14=28'] Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,92 unequal: No Solution Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,92 unequal: No Solution Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 92:[14, 51], Operations: ['96-82=14', '53-2=51'] Exploring Operation: 14*51=714, Resulting Numbers: [714] 714,92 unequal: No Solution Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,92 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
[ 87, 98, 71, 50 ]
32
[ "98-87=11", "71-50=21", "11+21=32" ]
Current State: 32:[87, 98, 71, 50], Operations: [] Exploring Operation: 98-87=11, Resulting Numbers: [71, 50, 11] Generated Node #2: [71, 50, 11] from Operation: 98-87=11 Current State: 32:[71, 50, 11], Operations: ['98-87=11'] Exploring Operation: 71-50=21, Resulting Numbers: [11, 21] Generated Node #3: [11, 21] from Operation: 71-50=21 Current State: 32:[11, 21], Operations: ['98-87=11', '71-50=21'] Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[87, 98, 71, 50], Operations: [] Exploring Operation: 87-71=16, Resulting Numbers: [98, 50, 16] Generated Node #0,0: 32:[98, 50, 16] Operation: 87-71=16 Exploring Operation: 98-87=11, Resulting Numbers: [71, 50, 11] Generated Node #0,1: 32:[71, 50, 11] Operation: 98-87=11 Exploring Operation: 87-50=37, Resulting Numbers: [98, 71, 37] Generated Node #0,2: 32:[98, 71, 37] Operation: 87-50=37 Exploring Operation: 98-71=27, Resulting Numbers: [87, 50, 27] Generated Node #0,3: 32:[87, 50, 27] Operation: 98-71=27 Exploring Operation: 98-50=48, Resulting Numbers: [87, 71, 48] Generated Node #0,4: 32:[87, 71, 48] Operation: 98-50=48 Moving to Node #0,1 Current State: 32:[71, 50, 11], Operations: ['98-87=11'] Exploring Operation: 50+11=61, Resulting Numbers: [71, 61] Generated Node #0,1,0: 32:[71, 61] Operation: 50+11=61 Exploring Operation: 71-11=60, Resulting Numbers: [50, 60] Generated Node #0,1,1: 32:[50, 60] Operation: 71-11=60 Exploring Operation: 71-50=21, Resulting Numbers: [11, 21] Generated Node #0,1,2: 32:[11, 21] Operation: 71-50=21 Exploring Operation: 50-11=39, Resulting Numbers: [71, 39] Generated Node #0,1,3: 32:[71, 39] Operation: 50-11=39 Exploring Operation: 71+11=82, Resulting Numbers: [50, 82] Generated Node #0,1,4: 32:[50, 82] Operation: 71+11=82 Moving to Node #0,3 Current State: 32:[87, 50, 27], Operations: ['98-71=27'] Exploring Operation: 50+27=77, Resulting Numbers: [87, 77] Generated Node #0,3,0: 32:[87, 77] Operation: 50+27=77 Exploring Operation: 50-27=23, Resulting Numbers: [87, 23] Generated Node #0,3,1: 32:[87, 23] Operation: 50-27=23 Exploring Operation: 87-27=60, Resulting Numbers: [50, 60] Generated Node #0,3,2: 32:[50, 60] Operation: 87-27=60 Exploring Operation: 87+27=114, Resulting Numbers: [50, 114] Generated Node #0,3,3: 32:[50, 114] Operation: 87+27=114 Exploring Operation: 87-50=37, Resulting Numbers: [27, 37] Generated Node #0,3,4: 32:[27, 37] Operation: 87-50=37 Moving to Node #0,0 Current State: 32:[98, 50, 16], Operations: ['87-71=16'] Exploring Operation: 50+16=66, Resulting Numbers: [98, 66] Generated Node #0,0,0: 32:[98, 66] Operation: 50+16=66 Exploring Operation: 98+16=114, Resulting Numbers: [50, 114] Generated Node #0,0,1: 32:[50, 114] Operation: 98+16=114 Exploring Operation: 98-50=48, Resulting Numbers: [16, 48] Generated Node #0,0,2: 32:[16, 48] Operation: 98-50=48 Exploring Operation: 50-16=34, Resulting Numbers: [98, 34] Generated Node #0,0,3: 32:[98, 34] Operation: 50-16=34 Exploring Operation: 98-16=82, Resulting Numbers: [50, 82] Generated Node #0,0,4: 32:[50, 82] Operation: 98-16=82 Moving to Node #0,2 Current State: 32:[98, 71, 37], Operations: ['87-50=37'] Exploring Operation: 98+71=169, Resulting Numbers: [37, 169] Generated Node #0,2,0: 32:[37, 169] Operation: 98+71=169 Exploring Operation: 71-37=34, Resulting Numbers: [98, 34] Generated Node #0,2,1: 32:[98, 34] Operation: 71-37=34 Exploring Operation: 98+37=135, Resulting Numbers: [71, 135] Generated Node #0,2,2: 32:[71, 135] Operation: 98+37=135 Exploring Operation: 98-37=61, Resulting Numbers: [71, 61] Generated Node #0,2,3: 32:[71, 61] Operation: 98-37=61 Exploring Operation: 98-71=27, Resulting Numbers: [37, 27] Generated Node #0,2,4: 32:[37, 27] Operation: 98-71=27 Moving to Node #0,4 Current State: 32:[87, 71, 48], Operations: ['98-50=48'] Exploring Operation: 87-48=39, Resulting Numbers: [71, 39] Generated Node #0,4,0: 32:[71, 39] Operation: 87-48=39 Exploring Operation: 71-48=23, Resulting Numbers: [87, 23] Generated Node #0,4,1: 32:[87, 23] Operation: 71-48=23 Exploring Operation: 87+48=135, Resulting Numbers: [71, 135] Generated Node #0,4,2: 32:[71, 135] Operation: 87+48=135 Exploring Operation: 87-71=16, Resulting Numbers: [48, 16] Generated Node #0,4,3: 32:[48, 16] Operation: 87-71=16 Exploring Operation: 87+71=158, Resulting Numbers: [48, 158] Generated Node #0,4,4: 32:[48, 158] Operation: 87+71=158 Moving to Node #0,1,2 Current State: 32:[11, 21], Operations: ['98-87=11', '71-50=21'] Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,32 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[87, 98, 71, 50], Operations: [] Exploring Operation: 98-87=11, Resulting Numbers: [71, 50, 11] Generated Node #0,1: 32:[71, 50, 11] Operation: 98-87=11 Moving to Node #0,1 Current State: 32:[71, 50, 11], Operations: ['98-87=11'] Exploring Operation: 71-50=21, Resulting Numbers: [11, 21] Generated Node #0,1,2: 32:[11, 21] Operation: 71-50=21 Moving to Node #0,1,2 Current State: 32:[11, 21], Operations: ['98-87=11', '71-50=21'] Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.967882
hs_5
sum_heuristic
[ 58, 54, 76, 97 ]
100
[ "76-58=18", "54/18=3", "97+3=100" ]
Current State: 100:[58, 54, 76, 97], Operations: [] Exploring Operation: 76-58=18, Resulting Numbers: [54, 97, 18] Generated Node #2: [54, 97, 18] from Operation: 76-58=18 Current State: 100:[54, 97, 18], Operations: ['76-58=18'] Exploring Operation: 54/18=3, Resulting Numbers: [97, 3] Generated Node #3: [97, 3] from Operation: 54/18=3 Current State: 100:[97, 3], Operations: ['76-58=18', '54/18=3'] Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[58, 54, 76, 97], Operations: [] Exploring Operation: 76-54=22, Resulting Numbers: [58, 97, 22] Generated Node #0,0: 100:[58, 97, 22] Operation: 76-54=22 Exploring Operation: 58+54=112, Resulting Numbers: [76, 97, 112] Generated Node #0,1: 100:[76, 97, 112] Operation: 58+54=112 Exploring Operation: 76-58=18, Resulting Numbers: [54, 97, 18] Generated Node #0,2: 100:[54, 97, 18] Operation: 76-58=18 Exploring Operation: 97-76=21, Resulting Numbers: [58, 54, 21] Generated Node #0,3: 100:[58, 54, 21] Operation: 97-76=21 Exploring Operation: 58-54=4, Resulting Numbers: [76, 97, 4] Generated Node #0,4: 100:[76, 97, 4] Operation: 58-54=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[54, 97, 18], Operations: ['76-58=18'] Exploring Operation: 54/18=3, Resulting Numbers: [97, 3] Generated Node #0,2,0: 100:[97, 3] Operation: 54/18=3 Exploring Operation: 54-18=36, Resulting Numbers: [97, 36] Generated Node #0,2,1: 100:[97, 36] Operation: 54-18=36 Exploring Operation: 54+18=72, Resulting Numbers: [97, 72] Generated Node #0,2,2: 100:[97, 72] Operation: 54+18=72 Exploring Operation: 97+18=115, Resulting Numbers: [54, 115] Generated Node #0,2,3: 100:[54, 115] Operation: 97+18=115 Exploring Operation: 97-54=43, Resulting Numbers: [18, 43] Generated Node #0,2,4: 100:[18, 43] Operation: 97-54=43 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 100:[97, 3], Operations: ['76-58=18', '54/18=3'] Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,100 unequal: No Solution Exploring Operation: 97*3=291, Resulting Numbers: [291] 291,100 unequal: No Solution Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[58, 54, 76, 97], Operations: [] Exploring Operation: 76-58=18, Resulting Numbers: [54, 97, 18] Generated Node #0,2: 100:[54, 97, 18] Operation: 76-58=18 Moving to Node #0,2 Current State: 100:[54, 97, 18], Operations: ['76-58=18'] Exploring Operation: 54/18=3, Resulting Numbers: [97, 3] Generated Node #0,2,0: 100:[97, 3] Operation: 54/18=3 Moving to Node #0,2,0 Current State: 100:[97, 3], Operations: ['76-58=18', '54/18=3'] Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 14, 16, 69, 17 ]
83
[ "14+69=83", "17-16=1", "83*1=83" ]
Current State: 83:[14, 16, 69, 17], Operations: [] Exploring Operation: 14+69=83, Resulting Numbers: [16, 17, 83] Generated Node #2: [16, 17, 83] from Operation: 14+69=83 Current State: 83:[16, 17, 83], Operations: ['14+69=83'] Exploring Operation: 17-16=1, Resulting Numbers: [83, 1] Generated Node #3: [83, 1] from Operation: 17-16=1 Current State: 83:[83, 1], Operations: ['14+69=83', '17-16=1'] Exploring Operation: 83*1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[14, 16, 69, 17], Operations: [] Exploring Operation: 14+69=83, Resulting Numbers: [16, 17, 83] Generated Node #0,0: 83:[16, 17, 83] Operation: 14+69=83 Exploring Operation: 14+16=30, Resulting Numbers: [69, 17, 30] Generated Node #0,1: 83:[69, 17, 30] Operation: 14+16=30 Exploring Operation: 14+17=31, Resulting Numbers: [16, 69, 31] Generated Node #0,2: 83:[16, 69, 31] Operation: 14+17=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[16, 17, 83], Operations: ['14+69=83'] Exploring Operation: 16+83=99, Resulting Numbers: [17, 99] Generated Node #0,0,0: 83:[17, 99] Operation: 16+83=99 Exploring Operation: 17-16=1, Resulting Numbers: [83, 1] Generated Node #0,0,1: 83:[83, 1] Operation: 17-16=1 Exploring Operation: 16+17=33, Resulting Numbers: [83, 33] Generated Node #0,0,2: 83:[83, 33] Operation: 16+17=33 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 83:[83, 33], Operations: ['14+69=83', '16+17=33'] Exploring Operation: 83+33=116, Resulting Numbers: [116] 116,83 unequal: No Solution Exploring Operation: 83*33=2739, Resulting Numbers: [2739] 2739,83 unequal: No Solution Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,83 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:[17, 99], Operations: ['14+69=83', '16+83=99'] Exploring Operation: 17+99=116, Resulting Numbers: [116] 116,83 unequal: No Solution Exploring Operation: 99-17=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 17*99=1683, Resulting Numbers: [1683] 1683,83 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 #0,0,1 Current State: 83:[83, 1], Operations: ['14+69=83', '17-16=1'] Exploring Operation: 83/1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[14, 16, 69, 17], Operations: [] Exploring Operation: 14+69=83, Resulting Numbers: [16, 17, 83] Generated Node #0,0: 83:[16, 17, 83] Operation: 14+69=83 Moving to Node #0,0 Current State: 83:[16, 17, 83], Operations: ['14+69=83'] Exploring Operation: 17-16=1, Resulting Numbers: [83, 1] Generated Node #0,0,1: 83:[83, 1] Operation: 17-16=1 Moving to Node #0,0,1 Current State: 83:[83, 1], Operations: ['14+69=83', '17-16=1'] Exploring Operation: 83/1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 25, 50, 77, 47 ]
34
[ "25+77=102", "50-47=3", "102/3=34" ]
Current State: 34:[25, 50, 77, 47], Operations: [] Exploring Operation: 25+77=102, Resulting Numbers: [50, 47, 102] Generated Node #2: [50, 47, 102] from Operation: 25+77=102 Current State: 34:[50, 47, 102], Operations: ['25+77=102'] Exploring Operation: 50-47=3, Resulting Numbers: [102, 3] Generated Node #3: [102, 3] from Operation: 50-47=3 Current State: 34:[102, 3], Operations: ['25+77=102', '50-47=3'] Exploring Operation: 102/3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[25, 50, 77, 47], Operations: [] Exploring Operation: 77-47=30, Resulting Numbers: [25, 50, 30] Generated Node #0,0: 34:[25, 50, 30] Operation: 77-47=30 Exploring Operation: 77-50=27, Resulting Numbers: [25, 47, 27] Generated Node #0,1: 34:[25, 47, 27] Operation: 77-50=27 Moving to Node #0,0 Current State: 34:[25, 50, 30], Operations: ['77-47=30'] Exploring Operation: 50/25=2, Resulting Numbers: [30, 2] Generated Node #0,0,0: 34:[30, 2] Operation: 50/25=2 Exploring Operation: 50-30=20, Resulting Numbers: [25, 20] Generated Node #0,0,1: 34:[25, 20] Operation: 50-30=20 Moving to Node #0,1 Current State: 34:[25, 47, 27], Operations: ['77-50=27'] Exploring Operation: 47-27=20, Resulting Numbers: [25, 20] Generated Node #0,1,0: 34:[25, 20] Operation: 47-27=20 Exploring Operation: 47-25=22, Resulting Numbers: [27, 22] Generated Node #0,1,1: 34:[27, 22] Operation: 47-25=22 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[25, 20], Operations: ['77-50=27', '47-27=20'] Exploring Operation: 25+20=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[27, 22], Operations: ['77-50=27', '47-25=22'] Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,34 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: 34:[30, 2], Operations: ['77-47=30', '50/25=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,34 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[25, 20], Operations: ['77-47=30', '50-30=20'] Exploring Operation: 25+20=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,34 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 85, 33, 17, 68 ]
13
[ "85-33=52", "68/17=4", "52/4=13" ]
Current State: 13:[85, 33, 17, 68], Operations: [] Exploring Operation: 85-33=52, Resulting Numbers: [17, 68, 52] Generated Node #2: [17, 68, 52] from Operation: 85-33=52 Current State: 13:[17, 68, 52], Operations: ['85-33=52'] Exploring Operation: 68/17=4, Resulting Numbers: [52, 4] Generated Node #3: [52, 4] from Operation: 68/17=4 Current State: 13:[52, 4], Operations: ['85-33=52', '68/17=4'] Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[85, 33, 17, 68], Operations: [] Exploring Operation: 85-33=52, Resulting Numbers: [17, 68, 52] Generated Node #0,0: 13:[17, 68, 52] Operation: 85-33=52 Exploring Operation: 85/17=5, Resulting Numbers: [33, 68, 5] Generated Node #0,1: 13:[33, 68, 5] Operation: 85/17=5 Exploring Operation: 68-33=35, Resulting Numbers: [85, 17, 35] Generated Node #0,2: 13:[85, 17, 35] Operation: 68-33=35 Exploring Operation: 85-68=17, Resulting Numbers: [33, 17, 17] Generated Node #0,3: 13:[33, 17, 17] Operation: 85-68=17 Start Sub Search at level 1: Moving to Node #0,3 Current State: 13:[33, 17, 17], Operations: ['85-68=17'] Exploring Operation: 33-17=16, Resulting Numbers: [17, 16] Generated Node #0,3,0: 13:[17, 16] Operation: 33-17=16 Exploring Operation: 33-17=16, Resulting Numbers: [17, 16] Generated Node #0,3,1: 13:[17, 16] Operation: 33-17=16 Exploring Operation: 17-17=0, Resulting Numbers: [33, 0] Generated Node #0,3,2: 13:[33, 0] Operation: 17-17=0 Exploring Operation: 17/17=1, Resulting Numbers: [33, 1] Generated Node #0,3,3: 13:[33, 1] Operation: 17/17=1 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 13:[17, 16], Operations: ['85-68=17', '33-17=16'] Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 17*16=272, Resulting Numbers: [272] 272,13 unequal: No Solution Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 13:[17, 16], Operations: ['85-68=17', '33-17=16'] Exploring Operation: 17*16=272, Resulting Numbers: [272] 272,13 unequal: No Solution Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 13:[33, 1], Operations: ['85-68=17', '17/17=1'] Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,13 unequal: No Solution Exploring Operation: 33*1=33, Resulting Numbers: [33] 33,13 unequal: No Solution Exploring Operation: 33/1=33, Resulting Numbers: [33] 33,13 unequal: No Solution Exploring Operation: 33+1=34, Resulting Numbers: [34] 34,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 13:[33, 0], Operations: ['85-68=17', '17-17=0'] Exploring Operation: 33+0=33, Resulting Numbers: [33] 33,13 unequal: No Solution Exploring Operation: 33*0=0, Resulting Numbers: [0] 0,13 unequal: No Solution Exploring Operation: 33-0=33, Resulting Numbers: [33] 33,13 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: 13:[33, 68, 5], Operations: ['85/17=5'] Exploring Operation: 33+5=38, Resulting Numbers: [68, 38] Generated Node #0,1,0: 13:[68, 38] Operation: 33+5=38 Exploring Operation: 68-33=35, Resulting Numbers: [5, 35] Generated Node #0,1,1: 13:[5, 35] Operation: 68-33=35 Exploring Operation: 33-5=28, Resulting Numbers: [68, 28] Generated Node #0,1,2: 13:[68, 28] Operation: 33-5=28 Exploring Operation: 68-5=63, Resulting Numbers: [33, 63] Generated Node #0,1,3: 13:[33, 63] Operation: 68-5=63 Moving to Node #0,1,1 Current State: 13:[5, 35], Operations: ['85/17=5', '68-33=35'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 5*35=175, Resulting Numbers: [175] 175,13 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,13 unequal: No Solution Moving to Node #0,1,3 Current State: 13:[33, 63], Operations: ['85/17=5', '68-5=63'] Exploring Operation: 33*63=2079, Resulting Numbers: [2079] 2079,13 unequal: No Solution Exploring Operation: 33+63=96, Resulting Numbers: [96] 96,13 unequal: No Solution Exploring Operation: 63-33=30, Resulting Numbers: [30] 30,13 unequal: No Solution Moving to Node #0,1,2 Current State: 13:[68, 28], Operations: ['85/17=5', '33-5=28'] Exploring Operation: 68+28=96, Resulting Numbers: [96] 96,13 unequal: No Solution Exploring Operation: 68-28=40, Resulting Numbers: [40] 40,13 unequal: No Solution Exploring Operation: 68*28=1904, Resulting Numbers: [1904] 1904,13 unequal: No Solution Moving to Node #0,1,0 Current State: 13:[68, 38], Operations: ['85/17=5', '33+5=38'] Exploring Operation: 68-38=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 68+38=106, Resulting Numbers: [106] 106,13 unequal: No Solution Exploring Operation: 68*38=2584, Resulting Numbers: [2584] 2584,13 unequal: No Solution No 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: 13:[17, 68, 52], Operations: ['85-33=52'] Exploring Operation: 68-17=51, Resulting Numbers: [52, 51] Generated Node #0,0,0: 13:[52, 51] Operation: 68-17=51 Exploring Operation: 68-52=16, Resulting Numbers: [17, 16] Generated Node #0,0,1: 13:[17, 16] Operation: 68-52=16 Exploring Operation: 68/17=4, Resulting Numbers: [52, 4] Generated Node #0,0,2: 13:[52, 4] Operation: 68/17=4 Exploring Operation: 52-17=35, Resulting Numbers: [68, 35] Generated Node #0,0,3: 13:[68, 35] Operation: 52-17=35 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 13:[17, 16], Operations: ['85-33=52', '68-52=16'] Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,13 unequal: No Solution Exploring Operation: 17*16=272, Resulting Numbers: [272] 272,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 13:[52, 4], Operations: ['85-33=52', '68/17=4'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,13 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[85, 33, 17, 68], Operations: [] Exploring Operation: 85-33=52, Resulting Numbers: [17, 68, 52] Generated Node #0,0: 13:[17, 68, 52] Operation: 85-33=52 Moving to Node #0,0 Current State: 13:[17, 68, 52], Operations: ['85-33=52'] Exploring Operation: 68/17=4, Resulting Numbers: [52, 4] Generated Node #0,0,2: 13:[52, 4] Operation: 68/17=4 Moving to Node #0,0,2 Current State: 13:[52, 4], Operations: ['85-33=52', '68/17=4'] Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.955729
hs_4
mult_heuristic
[ 3, 59, 56, 48 ]
17
[ "3+48=51", "59-56=3", "51/3=17" ]
Current State: 17:[3, 59, 56, 48], Operations: [] Exploring Operation: 3+48=51, Resulting Numbers: [59, 56, 51] Generated Node #2: [59, 56, 51] from Operation: 3+48=51 Current State: 17:[59, 56, 51], Operations: ['3+48=51'] Exploring Operation: 59-56=3, Resulting Numbers: [51, 3] Generated Node #3: [51, 3] from Operation: 59-56=3 Current State: 17:[51, 3], Operations: ['3+48=51', '59-56=3'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[3, 59, 56, 48], Operations: [] Exploring Operation: 59-56=3, Resulting Numbers: [3, 48, 3] Generated Node #0,0: 17:[3, 48, 3] Operation: 59-56=3 Exploring Operation: 59-48=11, Resulting Numbers: [3, 56, 11] Generated Node #0,1: 17:[3, 56, 11] Operation: 59-48=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[3, 48, 3], Operations: ['59-56=3'] Exploring Operation: 48/3=16, Resulting Numbers: [3, 16] Generated Node #0,0,0: 17:[3, 16] Operation: 48/3=16 Exploring Operation: 48/3=16, Resulting Numbers: [3, 16] Generated Node #0,0,1: 17:[3, 16] Operation: 48/3=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[3, 16], Operations: ['59-56=3', '48/3=16'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,17 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,17 unequal: No Solution No 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: 17:[3, 16], Operations: ['59-56=3', '48/3=16'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,17 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,17 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: 17:[3, 56, 11], Operations: ['59-48=11'] Exploring Operation: 56-3=53, Resulting Numbers: [11, 53] Generated Node #0,1,0: 17:[11, 53] Operation: 56-3=53 Exploring Operation: 3+11=14, Resulting Numbers: [56, 14] Generated Node #0,1,1: 17:[56, 14] Operation: 3+11=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 17:[11, 53], Operations: ['59-48=11', '56-3=53'] Exploring Operation: 53-11=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 11+53=64, Resulting Numbers: [64] 64,17 unequal: No Solution No 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: 17:[56, 14], Operations: ['59-48=11', '3+11=14'] Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,17 unequal: No Solution Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,17 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
[ 45, 21, 86, 79 ]
77
[ "86+79=165", "21*165=3465", "3465/45=77" ]
Current State: 77:[45, 21, 86, 79], Operations: [] Exploring Operation: 86+79=165, Resulting Numbers: [45, 21, 165] Generated Node #2: [45, 21, 165] from Operation: 86+79=165 Current State: 77:[45, 21, 165], Operations: ['86+79=165'] Exploring Operation: 21*165=3465, Resulting Numbers: [45, 3465] Generated Node #3: [45, 3465] from Operation: 21*165=3465 Current State: 77:[45, 3465], Operations: ['86+79=165', '21*165=3465'] Exploring Operation: 3465/45=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[45, 21, 86, 79], Operations: [] Exploring Operation: 45-21=24, Resulting Numbers: [86, 79, 24] Generated Node #0,0: 77:[86, 79, 24] Operation: 45-21=24 Exploring Operation: 45+21=66, Resulting Numbers: [86, 79, 66] Generated Node #0,1: 77:[86, 79, 66] Operation: 45+21=66 Exploring Operation: 86-45=41, Resulting Numbers: [21, 79, 41] Generated Node #0,2: 77:[21, 79, 41] Operation: 86-45=41 Exploring Operation: 79-45=34, Resulting Numbers: [21, 86, 34] Generated Node #0,3: 77:[21, 86, 34] Operation: 79-45=34 Moving to Node #0,1 Current State: 77:[86, 79, 66], Operations: ['45+21=66'] Exploring Operation: 86-79=7, Resulting Numbers: [66, 7] Generated Node #0,1,0: 77:[66, 7] Operation: 86-79=7 Exploring Operation: 86+66=152, Resulting Numbers: [79, 152] Generated Node #0,1,1: 77:[79, 152] Operation: 86+66=152 Exploring Operation: 86-66=20, Resulting Numbers: [79, 20] Generated Node #0,1,2: 77:[79, 20] Operation: 86-66=20 Exploring Operation: 79-66=13, Resulting Numbers: [86, 13] Generated Node #0,1,3: 77:[86, 13] Operation: 79-66=13 Moving to Node #0,0 Current State: 77:[86, 79, 24], Operations: ['45-21=24'] Exploring Operation: 79-24=55, Resulting Numbers: [86, 55] Generated Node #0,0,0: 77:[86, 55] Operation: 79-24=55 Exploring Operation: 86-24=62, Resulting Numbers: [79, 62] Generated Node #0,0,1: 77:[79, 62] Operation: 86-24=62 Exploring Operation: 86+24=110, Resulting Numbers: [79, 110] Generated Node #0,0,2: 77:[79, 110] Operation: 86+24=110 Exploring Operation: 86-79=7, Resulting Numbers: [24, 7] Generated Node #0,0,3: 77:[24, 7] Operation: 86-79=7 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 77:[24, 7], Operations: ['45-21=24', '86-79=7'] Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,77 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,77 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[79, 62], Operations: ['45-21=24', '86-24=62'] Exploring Operation: 79-62=17, Resulting Numbers: [17] 17,77 unequal: No Solution Exploring Operation: 79*62=4898, Resulting Numbers: [4898] 4898,77 unequal: No Solution Exploring Operation: 79+62=141, Resulting Numbers: [141] 141,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[86, 55], Operations: ['45-21=24', '79-24=55'] Exploring Operation: 86-55=31, Resulting Numbers: [31] 31,77 unequal: No Solution Exploring Operation: 86*55=4730, Resulting Numbers: [4730] 4730,77 unequal: No Solution Exploring Operation: 86+55=141, Resulting Numbers: [141] 141,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[79, 110], Operations: ['45-21=24', '86+24=110'] Exploring Operation: 79*110=8690, Resulting Numbers: [8690] 8690,77 unequal: No Solution Exploring Operation: 110-79=31, Resulting Numbers: [31] 31,77 unequal: No Solution Exploring Operation: 79+110=189, Resulting Numbers: [189] 189,77 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: 77:[21, 86, 34], Operations: ['79-45=34'] Exploring Operation: 34-21=13, Resulting Numbers: [86, 13] Generated Node #0,3,0: 77:[86, 13] Operation: 34-21=13 Exploring Operation: 86-21=65, Resulting Numbers: [34, 65] Generated Node #0,3,1: 77:[34, 65] Operation: 86-21=65 Exploring Operation: 21+34=55, Resulting Numbers: [86, 55] Generated Node #0,3,2: 77:[86, 55] Operation: 21+34=55 Exploring Operation: 86-34=52, Resulting Numbers: [21, 52] Generated Node #0,3,3: 77:[21, 52] Operation: 86-34=52 Moving to Node #0,2 Current State: 77:[21, 79, 41], Operations: ['86-45=41'] Exploring Operation: 79-21=58, Resulting Numbers: [41, 58] Generated Node #0,2,0: 77:[41, 58] Operation: 79-21=58 Exploring Operation: 79-41=38, Resulting Numbers: [21, 38] Generated Node #0,2,1: 77:[21, 38] Operation: 79-41=38 Exploring Operation: 21+41=62, Resulting Numbers: [79, 62] Generated Node #0,2,2: 77:[79, 62] Operation: 21+41=62 Exploring Operation: 41-21=20, Resulting Numbers: [79, 20] Generated Node #0,2,3: 77:[79, 20] Operation: 41-21=20 Moving to Node #0,1,0 Current State: 77:[66, 7], Operations: ['45+21=66', '86-79=7'] Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,77 unequal: No Solution Exploring Operation: 66*7=462, Resulting Numbers: [462] 462,77 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,77 unequal: No Solution Moving to Node #0,1,3 Current State: 77:[86, 13], Operations: ['45+21=66', '79-66=13'] Exploring Operation: 86*13=1118, Resulting Numbers: [1118] 1118,77 unequal: No Solution Exploring Operation: 86-13=73, Resulting Numbers: [73] 73,77 unequal: No Solution Exploring Operation: 86+13=99, Resulting Numbers: [99] 99,77 unequal: No Solution Moving to Node #0,1,2 Current State: 77:[79, 20], Operations: ['45+21=66', '86-66=20'] Exploring Operation: 79-20=59, Resulting Numbers: [59] 59,77 unequal: No Solution Exploring Operation: 79+20=99, Resulting Numbers: [99] 99,77 unequal: No Solution Exploring Operation: 79*20=1580, Resulting Numbers: [1580] 1580,77 unequal: No Solution Moving to Node #0,3,0 Current State: 77:[86, 13], Operations: ['79-45=34', '34-21=13'] Exploring Operation: 86+13=99, Resulting Numbers: [99] 99,77 unequal: No Solution Exploring Operation: 86*13=1118, Resulting Numbers: [1118] 1118,77 unequal: No Solution Exploring Operation: 86-13=73, Resulting Numbers: [73] 73,77 unequal: No Solution Moving to Node #0,2,3 Current State: 77:[79, 20], Operations: ['86-45=41', '41-21=20'] Exploring Operation: 79*20=1580, Resulting Numbers: [1580] 1580,77 unequal: No Solution Exploring Operation: 79-20=59, Resulting Numbers: [59] 59,77 unequal: No Solution Exploring Operation: 79+20=99, Resulting Numbers: [99] 99,77 unequal: No Solution Moving to Node #0,2,2 Current State: 77:[79, 62], Operations: ['86-45=41', '21+41=62'] Exploring Operation: 79*62=4898, Resulting Numbers: [4898] 4898,77 unequal: No Solution Exploring Operation: 79-62=17, Resulting Numbers: [17] 17,77 unequal: No Solution Exploring Operation: 79+62=141, Resulting Numbers: [141] 141,77 unequal: No Solution Moving to Node #0,3,2 Current State: 77:[86, 55], Operations: ['79-45=34', '21+34=55'] Exploring Operation: 86+55=141, Resulting Numbers: [141] 141,77 unequal: No Solution Exploring Operation: 86*55=4730, Resulting Numbers: [4730] 4730,77 unequal: No Solution Exploring Operation: 86-55=31, Resulting Numbers: [31] 31,77 unequal: No Solution Moving to Node #0,3,1 Current State: 77:[34, 65], Operations: ['79-45=34', '86-21=65'] Exploring Operation: 34+65=99, Resulting Numbers: [99] 99,77 unequal: No Solution Exploring Operation: 34*65=2210, Resulting Numbers: [2210] 2210,77 unequal: No Solution Exploring Operation: 65-34=31, Resulting Numbers: [31] 31,77 unequal: No Solution Moving to Node #0,3,3 Current State: 77:[21, 52], Operations: ['79-45=34', '86-34=52'] Exploring Operation: 21+52=73, Resulting Numbers: [73] 73,77 unequal: No Solution Exploring Operation: 21*52=1092, Resulting Numbers: [1092] 1092,77 unequal: No Solution Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,77 unequal: No Solution Moving to Node #0,2,1 Current State: 77:[21, 38], Operations: ['86-45=41', '79-41=38'] Exploring Operation: 21*38=798, Resulting Numbers: [798] 798,77 unequal: No Solution Exploring Operation: 21+38=59, Resulting Numbers: [59] 59,77 unequal: No Solution Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,77 unequal: No Solution Moving to Node #0,2,0 Current State: 77:[41, 58], Operations: ['86-45=41', '79-21=58'] Exploring Operation: 41*58=2378, Resulting Numbers: [2378] 2378,77 unequal: No Solution Exploring Operation: 41+58=99, Resulting Numbers: [99] 99,77 unequal: No Solution Exploring Operation: 58-41=17, Resulting Numbers: [17] 17,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[79, 152], Operations: ['45+21=66', '86+66=152'] Exploring Operation: 79*152=12008, Resulting Numbers: [12008] 12008,77 unequal: No Solution Exploring Operation: 152-79=73, Resulting Numbers: [73] 73,77 unequal: No Solution Exploring Operation: 79+152=231, Resulting Numbers: [231] 231,77 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 43, 73, 45, 28 ]
59
[ "45-43=2", "28/2=14", "73-14=59" ]
Current State: 59:[43, 73, 45, 28], Operations: [] Exploring Operation: 45-43=2, Resulting Numbers: [73, 28, 2] Generated Node #2: [73, 28, 2] from Operation: 45-43=2 Current State: 59:[73, 28, 2], Operations: ['45-43=2'] Exploring Operation: 28/2=14, Resulting Numbers: [73, 14] Generated Node #3: [73, 14] from Operation: 28/2=14 Current State: 59:[73, 14], Operations: ['45-43=2', '28/2=14'] Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[43, 73, 45, 28], Operations: [] Exploring Operation: 43+28=71, Resulting Numbers: [73, 45, 71] Generated Node #0,0: 59:[73, 45, 71] Operation: 43+28=71 Exploring Operation: 73-28=45, Resulting Numbers: [43, 45, 45] Generated Node #0,1: 59:[43, 45, 45] Operation: 73-28=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[73, 45, 71], Operations: ['43+28=71'] Exploring Operation: 71-45=26, Resulting Numbers: [73, 26] Generated Node #0,0,0: 59:[73, 26] Operation: 71-45=26 Exploring Operation: 73-45=28, Resulting Numbers: [71, 28] Generated Node #0,0,1: 59:[71, 28] Operation: 73-45=28 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 59:[71, 28], Operations: ['43+28=71', '73-45=28'] Exploring Operation: 71+28=99, Resulting Numbers: [99] 99,59 unequal: No Solution Exploring Operation: 71-28=43, Resulting Numbers: [43] 43,59 unequal: No Solution No 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: 59:[73, 26], Operations: ['43+28=71', '71-45=26'] Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,59 unequal: No Solution Exploring Operation: 73+26=99, Resulting Numbers: [99] 99,59 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: 59:[43, 45, 45], Operations: ['73-28=45'] Exploring Operation: 43+45=88, Resulting Numbers: [45, 88] Generated Node #0,1,0: 59:[45, 88] Operation: 43+45=88 Exploring Operation: 43+45=88, Resulting Numbers: [45, 88] Generated Node #0,1,1: 59:[45, 88] Operation: 43+45=88 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[45, 88], Operations: ['73-28=45', '43+45=88'] Exploring Operation: 88-45=43, Resulting Numbers: [43] 43,59 unequal: No Solution Exploring Operation: 45+88=133, Resulting Numbers: [133] 133,59 unequal: No Solution No 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: 59:[45, 88], Operations: ['73-28=45', '43+45=88'] Exploring Operation: 45+88=133, Resulting Numbers: [133] 133,59 unequal: No Solution Exploring Operation: 88-45=43, Resulting Numbers: [43] 43,59 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
[ 26, 42, 17, 72 ]
72
[ "42-26=16", "17-16=1", "72*1=72" ]
Current State: 72:[26, 42, 17, 72], Operations: [] Exploring Operation: 42-26=16, Resulting Numbers: [17, 72, 16] Generated Node #2: [17, 72, 16] from Operation: 42-26=16 Current State: 72:[17, 72, 16], Operations: ['42-26=16'] Exploring Operation: 17-16=1, Resulting Numbers: [72, 1] Generated Node #3: [72, 1] from Operation: 17-16=1 Current State: 72:[72, 1], Operations: ['42-26=16', '17-16=1'] Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[26, 42, 17, 72], Operations: [] Exploring Operation: 42-26=16, Resulting Numbers: [17, 72, 16] Generated Node #0,0: 72:[17, 72, 16] Operation: 42-26=16 Exploring Operation: 26-17=9, Resulting Numbers: [42, 72, 9] Generated Node #0,1: 72:[42, 72, 9] Operation: 26-17=9 Exploring Operation: 26+42=68, Resulting Numbers: [17, 72, 68] Generated Node #0,2: 72:[17, 72, 68] Operation: 26+42=68 Exploring Operation: 42-17=25, Resulting Numbers: [26, 72, 25] Generated Node #0,3: 72:[26, 72, 25] Operation: 42-17=25 Moving to Node #0,0 Current State: 72:[17, 72, 16], Operations: ['42-26=16'] Exploring Operation: 72-16=56, Resulting Numbers: [17, 56] Generated Node #0,0,0: 72:[17, 56] Operation: 72-16=56 Exploring Operation: 17+16=33, Resulting Numbers: [72, 33] Generated Node #0,0,1: 72:[72, 33] Operation: 17+16=33 Exploring Operation: 17-16=1, Resulting Numbers: [72, 1] Generated Node #0,0,2: 72:[72, 1] Operation: 17-16=1 Exploring Operation: 72+16=88, Resulting Numbers: [17, 88] Generated Node #0,0,3: 72:[17, 88] Operation: 72+16=88 Moving to Node #0,3 Current State: 72:[26, 72, 25], Operations: ['42-17=25'] Exploring Operation: 26+25=51, Resulting Numbers: [72, 51] Generated Node #0,3,0: 72:[72, 51] Operation: 26+25=51 Exploring Operation: 72-26=46, Resulting Numbers: [25, 46] Generated Node #0,3,1: 72:[25, 46] Operation: 72-26=46 Exploring Operation: 72-25=47, Resulting Numbers: [26, 47] Generated Node #0,3,2: 72:[26, 47] Operation: 72-25=47 Exploring Operation: 26-25=1, Resulting Numbers: [72, 1] Generated Node #0,3,3: 72:[72, 1] Operation: 26-25=1 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 72:[72, 1], Operations: ['42-17=25', '26-25=1'] Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,72 unequal: No Solution Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[26, 42, 17, 72], Operations: [] Exploring Operation: 42-17=25, Resulting Numbers: [26, 72, 25] Generated Node #0,3: 72:[26, 72, 25] Operation: 42-17=25 Moving to Node #0,3 Current State: 72:[26, 72, 25], Operations: ['42-17=25'] Exploring Operation: 26-25=1, Resulting Numbers: [72, 1] Generated Node #0,3,3: 72:[72, 1] Operation: 26-25=1 Moving to Node #0,3,3 Current State: 72:[72, 1], Operations: ['42-17=25', '26-25=1'] Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 97, 47, 32, 86 ]
42
[ "47*86=4042", "32+4042=4074", "4074/97=42" ]
Current State: 42:[97, 47, 32, 86], Operations: [] Exploring Operation: 47*86=4042, Resulting Numbers: [97, 32, 4042] Generated Node #2: [97, 32, 4042] from Operation: 47*86=4042 Current State: 42:[97, 32, 4042], Operations: ['47*86=4042'] Exploring Operation: 32+4042=4074, Resulting Numbers: [97, 4074] Generated Node #3: [97, 4074] from Operation: 32+4042=4074 Current State: 42:[97, 4074], Operations: ['47*86=4042', '32+4042=4074'] Exploring Operation: 4074/97=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[97, 47, 32, 86], Operations: [] Exploring Operation: 97-86=11, Resulting Numbers: [47, 32, 11] Generated Node #0,0: 42:[47, 32, 11] Operation: 97-86=11 Moving to Node #0,0 Current State: 42:[47, 32, 11], Operations: ['97-86=11'] Exploring Operation: 47-32=15, Resulting Numbers: [11, 15] Generated Node #0,0,0: 42:[11, 15] Operation: 47-32=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[11, 15], Operations: ['97-86=11', '47-32=15'] Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,42 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
[ 16, 87, 73, 47 ]
77
[ "16+87=103", "73-47=26", "103-26=77" ]
Current State: 77:[16, 87, 73, 47], Operations: [] Exploring Operation: 16+87=103, Resulting Numbers: [73, 47, 103] Generated Node #2: [73, 47, 103] from Operation: 16+87=103 Current State: 77:[73, 47, 103], Operations: ['16+87=103'] Exploring Operation: 73-47=26, Resulting Numbers: [103, 26] Generated Node #3: [103, 26] from Operation: 73-47=26 Current State: 77:[103, 26], Operations: ['16+87=103', '73-47=26'] Exploring Operation: 103-26=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[16, 87, 73, 47], Operations: [] Exploring Operation: 47-16=31, Resulting Numbers: [87, 73, 31] Generated Node #0,0: 77:[87, 73, 31] Operation: 47-16=31 Exploring Operation: 73-47=26, Resulting Numbers: [16, 87, 26] Generated Node #0,1: 77:[16, 87, 26] Operation: 73-47=26 Exploring Operation: 16+47=63, Resulting Numbers: [87, 73, 63] Generated Node #0,2: 77:[87, 73, 63] Operation: 16+47=63 Exploring Operation: 87-73=14, Resulting Numbers: [16, 47, 14] Generated Node #0,3: 77:[16, 47, 14] Operation: 87-73=14 Exploring Operation: 87-47=40, Resulting Numbers: [16, 73, 40] Generated Node #0,4: 77:[16, 73, 40] Operation: 87-47=40 Moving to Node #0,2 Current State: 77:[87, 73, 63], Operations: ['16+47=63'] Exploring Operation: 73-63=10, Resulting Numbers: [87, 10] Generated Node #0,2,0: 77:[87, 10] Operation: 73-63=10 Exploring Operation: 87-63=24, Resulting Numbers: [73, 24] Generated Node #0,2,1: 77:[73, 24] Operation: 87-63=24 Exploring Operation: 87-73=14, Resulting Numbers: [63, 14] Generated Node #0,2,2: 77:[63, 14] Operation: 87-73=14 Exploring Operation: 87+63=150, Resulting Numbers: [73, 150] Generated Node #0,2,3: 77:[73, 150] Operation: 87+63=150 Exploring Operation: 73+63=136, Resulting Numbers: [87, 136] Generated Node #0,2,4: 77:[87, 136] Operation: 73+63=136 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 77:[87, 10], Operations: ['16+47=63', '73-63=10'] Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[16, 87, 73, 47], Operations: [] Exploring Operation: 16+47=63, Resulting Numbers: [87, 73, 63] Generated Node #0,2: 77:[87, 73, 63] Operation: 16+47=63 Moving to Node #0,2 Current State: 77:[87, 73, 63], Operations: ['16+47=63'] Exploring Operation: 73-63=10, Resulting Numbers: [87, 10] Generated Node #0,2,0: 77:[87, 10] Operation: 73-63=10 Moving to Node #0,2,0 Current State: 77:[87, 10], Operations: ['16+47=63', '73-63=10'] Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 19, 39, 10, 56 ]
50
[ "39+56=95", "95/19=5", "10*5=50" ]
Current State: 50:[19, 39, 10, 56], Operations: [] Exploring Operation: 39+56=95, Resulting Numbers: [19, 10, 95] Generated Node #2: [19, 10, 95] from Operation: 39+56=95 Current State: 50:[19, 10, 95], Operations: ['39+56=95'] Exploring Operation: 95/19=5, Resulting Numbers: [10, 5] Generated Node #3: [10, 5] from Operation: 95/19=5 Current State: 50:[10, 5], Operations: ['39+56=95', '95/19=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[19, 39, 10, 56], Operations: [] Exploring Operation: 39-19=20, Resulting Numbers: [10, 56, 20] Generated Node #0,0: 50:[10, 56, 20] Operation: 39-19=20 Exploring Operation: 56-39=17, Resulting Numbers: [19, 10, 17] Generated Node #0,1: 50:[19, 10, 17] Operation: 56-39=17 Exploring Operation: 39+10=49, Resulting Numbers: [19, 56, 49] Generated Node #0,2: 50:[19, 56, 49] Operation: 39+10=49 Moving to Node #0,0 Current State: 50:[10, 56, 20], Operations: ['39-19=20'] Exploring Operation: 20/10=2, Resulting Numbers: [56, 2] Generated Node #0,0,0: 50:[56, 2] Operation: 20/10=2 Exploring Operation: 56-10=46, Resulting Numbers: [20, 46] Generated Node #0,0,1: 50:[20, 46] Operation: 56-10=46 Exploring Operation: 20-10=10, Resulting Numbers: [56, 10] Generated Node #0,0,2: 50:[56, 10] Operation: 20-10=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[56, 2], Operations: ['39-19=20', '20/10=2'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,50 unequal: No Solution Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,50 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 #0,0,2 Current State: 50:[56, 10], Operations: ['39-19=20', '20-10=10'] Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 56+10=66, Resulting Numbers: [66] 66,50 unequal: No Solution Exploring Operation: 56*10=560, Resulting Numbers: [560] 560,50 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 #0,0,1 Current State: 50:[20, 46], Operations: ['39-19=20', '56-10=46'] Exploring Operation: 20*46=920, Resulting Numbers: [920] 920,50 unequal: No Solution Exploring Operation: 20+46=66, Resulting Numbers: [66] 66,50 unequal: No Solution Exploring Operation: 46-20=26, Resulting Numbers: [26] 26,50 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: 50:[19, 10, 17], Operations: ['56-39=17'] Exploring Operation: 10+17=27, Resulting Numbers: [19, 27] Generated Node #0,1,0: 50:[19, 27] Operation: 10+17=27 Exploring Operation: 19-10=9, Resulting Numbers: [17, 9] Generated Node #0,1,1: 50:[17, 9] Operation: 19-10=9 Exploring Operation: 19-17=2, Resulting Numbers: [10, 2] Generated Node #0,1,2: 50:[10, 2] Operation: 19-17=2 Moving to Node #0,2 Current State: 50:[19, 56, 49], Operations: ['39+10=49'] Exploring Operation: 49-19=30, Resulting Numbers: [56, 30] Generated Node #0,2,0: 50:[56, 30] Operation: 49-19=30 Exploring Operation: 56-19=37, Resulting Numbers: [49, 37] Generated Node #0,2,1: 50:[49, 37] Operation: 56-19=37 Exploring Operation: 56-49=7, Resulting Numbers: [19, 7] Generated Node #0,2,2: 50:[19, 7] Operation: 56-49=7 Moving to Node #0,1,2 Current State: 50:[10, 2], Operations: ['56-39=17', '19-17=2'] Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,50 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[17, 9], Operations: ['56-39=17', '19-10=9'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,50 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,50 unequal: No Solution Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[19, 27], Operations: ['56-39=17', '10+17=27'] Exploring Operation: 19*27=513, Resulting Numbers: [513] 513,50 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,50 unequal: No Solution Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[19, 7], Operations: ['39+10=49', '56-49=7'] Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,50 unequal: No Solution Exploring Operation: 19*7=133, Resulting Numbers: [133] 133,50 unequal: No Solution Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[56, 30], Operations: ['39+10=49', '49-19=30'] Exploring Operation: 56*30=1680, Resulting Numbers: [1680] 1680,50 unequal: No Solution Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,50 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[49, 37], Operations: ['39+10=49', '56-19=37'] Exploring Operation: 49*37=1813, Resulting Numbers: [1813] 1813,50 unequal: No Solution Exploring Operation: 49+37=86, Resulting Numbers: [86] 86,50 unequal: No Solution Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,50 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 40, 17, 11, 14 ]
19
[ "40+17=57", "14-11=3", "57/3=19" ]
Current State: 19:[40, 17, 11, 14], Operations: [] Exploring Operation: 40+17=57, Resulting Numbers: [11, 14, 57] Generated Node #2: [11, 14, 57] from Operation: 40+17=57 Current State: 19:[11, 14, 57], Operations: ['40+17=57'] Exploring Operation: 14-11=3, Resulting Numbers: [57, 3] Generated Node #3: [57, 3] from Operation: 14-11=3 Current State: 19:[57, 3], Operations: ['40+17=57', '14-11=3'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[40, 17, 11, 14], Operations: [] Exploring Operation: 40-17=23, Resulting Numbers: [11, 14, 23] Generated Node #0,0: 19:[11, 14, 23] Operation: 40-17=23 Moving to Node #0,0 Current State: 19:[11, 14, 23], Operations: ['40-17=23'] Exploring Operation: 11+14=25, Resulting Numbers: [23, 25] Generated Node #0,0,0: 19:[23, 25] Operation: 11+14=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[23, 25], Operations: ['40-17=23', '11+14=25'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 29, 68, 58, 39 ]
31
[ "58/29=2", "68-39=29", "2+29=31" ]
Current State: 31:[29, 68, 58, 39], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [68, 39, 2] Generated Node #2: [68, 39, 2] from Operation: 58/29=2 Current State: 31:[68, 39, 2], Operations: ['58/29=2'] Exploring Operation: 68-39=29, Resulting Numbers: [2, 29] Generated Node #3: [2, 29] from Operation: 68-39=29 Current State: 31:[2, 29], Operations: ['58/29=2', '68-39=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[29, 68, 58, 39], Operations: [] Exploring Operation: 58-29=29, Resulting Numbers: [68, 39, 29] Generated Node #0,0: 31:[68, 39, 29] Operation: 58-29=29 Exploring Operation: 58-39=19, Resulting Numbers: [29, 68, 19] Generated Node #0,1: 31:[29, 68, 19] Operation: 58-39=19 Exploring Operation: 68-58=10, Resulting Numbers: [29, 39, 10] Generated Node #0,2: 31:[29, 39, 10] Operation: 68-58=10 Exploring Operation: 68-29=39, Resulting Numbers: [58, 39, 39] Generated Node #0,3: 31:[58, 39, 39] Operation: 68-29=39 Exploring Operation: 68-39=29, Resulting Numbers: [29, 58, 29] Generated Node #0,4: 31:[29, 58, 29] Operation: 68-39=29 Moving to Node #0,2 Current State: 31:[29, 39, 10], Operations: ['68-58=10'] Exploring Operation: 39-29=10, Resulting Numbers: [10, 10] Generated Node #0,2,0: 31:[10, 10] Operation: 39-29=10 Exploring Operation: 29-10=19, Resulting Numbers: [39, 19] Generated Node #0,2,1: 31:[39, 19] Operation: 29-10=19 Exploring Operation: 39-10=29, Resulting Numbers: [29, 29] Generated Node #0,2,2: 31:[29, 29] Operation: 39-10=29 Exploring Operation: 39+10=49, Resulting Numbers: [29, 49] Generated Node #0,2,3: 31:[29, 49] Operation: 39+10=49 Exploring Operation: 29+10=39, Resulting Numbers: [39, 39] Generated Node #0,2,4: 31:[39, 39] Operation: 29+10=39 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 31:[29, 29], Operations: ['68-58=10', '39-10=29'] Exploring Operation: 29/29=1, Resulting Numbers: [1] 1,31 unequal: No Solution Exploring Operation: 29*29=841, Resulting Numbers: [841] 841,31 unequal: No Solution Exploring Operation: 29+29=58, Resulting Numbers: [58] 58,31 unequal: No Solution Exploring Operation: 29-29=0, Resulting Numbers: [0] 0,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 31:[39, 39], Operations: ['68-58=10', '29+10=39'] Exploring Operation: 39/39=1, Resulting Numbers: [1] 1,31 unequal: No Solution Exploring Operation: 39-39=0, Resulting Numbers: [0] 0,31 unequal: No Solution Exploring Operation: 39+39=78, Resulting Numbers: [78] 78,31 unequal: No Solution Exploring Operation: 39*39=1521, Resulting Numbers: [1521] 1521,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 31:[39, 19], Operations: ['68-58=10', '29-10=19'] Exploring Operation: 39*19=741, Resulting Numbers: [741] 741,31 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,31 unequal: No Solution Exploring Operation: 39+19=58, Resulting Numbers: [58] 58,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 31:[29, 49], Operations: ['68-58=10', '39+10=49'] Exploring Operation: 29+49=78, Resulting Numbers: [78] 78,31 unequal: No Solution Exploring Operation: 29*49=1421, Resulting Numbers: [1421] 1421,31 unequal: No Solution Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 31:[10, 10], Operations: ['68-58=10', '39-29=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,31 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,31 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,31 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,31 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: 31:[29, 58, 29], Operations: ['68-39=29'] Exploring Operation: 29+29=58, Resulting Numbers: [58, 58] Generated Node #0,4,0: 31:[58, 58] Operation: 29+29=58 Exploring Operation: 58/29=2, Resulting Numbers: [29, 2] Generated Node #0,4,1: 31:[29, 2] Operation: 58/29=2 Exploring Operation: 58-29=29, Resulting Numbers: [29, 29] Generated Node #0,4,2: 31:[29, 29] Operation: 58-29=29 Exploring Operation: 58-29=29, Resulting Numbers: [29, 29] Generated Node #0,4,3: 31:[29, 29] Operation: 58-29=29 Exploring Operation: 58/29=2, Resulting Numbers: [29, 2] Generated Node #0,4,4: 31:[29, 2] Operation: 58/29=2 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 31:[29, 29], Operations: ['68-39=29', '58-29=29'] Exploring Operation: 29-29=0, Resulting Numbers: [0] 0,31 unequal: No Solution Exploring Operation: 29*29=841, Resulting Numbers: [841] 841,31 unequal: No Solution Exploring Operation: 29+29=58, Resulting Numbers: [58] 58,31 unequal: No Solution Exploring Operation: 29/29=1, Resulting Numbers: [1] 1,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 31:[29, 29], Operations: ['68-39=29', '58-29=29'] Exploring Operation: 29+29=58, Resulting Numbers: [58] 58,31 unequal: No Solution Exploring Operation: 29*29=841, Resulting Numbers: [841] 841,31 unequal: No Solution Exploring Operation: 29-29=0, Resulting Numbers: [0] 0,31 unequal: No Solution Exploring Operation: 29/29=1, Resulting Numbers: [1] 1,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 31:[29, 2], Operations: ['68-39=29', '58/29=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,31 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,31 unequal: No Solution Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[29, 68, 58, 39], Operations: [] Exploring Operation: 68-39=29, Resulting Numbers: [29, 58, 29] Generated Node #0,4: 31:[29, 58, 29] Operation: 68-39=29 Moving to Node #0,4 Current State: 31:[29, 58, 29], Operations: ['68-39=29'] Exploring Operation: 58/29=2, Resulting Numbers: [29, 2] Generated Node #0,4,1: 31:[29, 2] Operation: 58/29=2 Moving to Node #0,4,1 Current State: 31:[29, 2], Operations: ['68-39=29', '58/29=2'] Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.958333
hs_5
sum_heuristic
[ 36, 84, 7, 36 ]
76
[ "36/36=1", "84-7=77", "77-1=76" ]
Current State: 76:[36, 84, 7, 36], Operations: [] Exploring Operation: 36/36=1, Resulting Numbers: [84, 7, 1] Generated Node #2: [84, 7, 1] from Operation: 36/36=1 Current State: 76:[84, 7, 1], Operations: ['36/36=1'] Exploring Operation: 84-7=77, Resulting Numbers: [1, 77] Generated Node #3: [1, 77] from Operation: 84-7=77 Current State: 76:[1, 77], Operations: ['36/36=1', '84-7=77'] Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[36, 84, 7, 36], Operations: [] Exploring Operation: 36/36=1, Resulting Numbers: [84, 7, 1] Generated Node #0,0: 76:[84, 7, 1] Operation: 36/36=1 Exploring Operation: 84-7=77, Resulting Numbers: [36, 36, 77] Generated Node #0,1: 76:[36, 36, 77] Operation: 84-7=77 Exploring Operation: 36-36=0, Resulting Numbers: [84, 7, 0] Generated Node #0,2: 76:[84, 7, 0] Operation: 36-36=0 Exploring Operation: 84/7=12, Resulting Numbers: [36, 36, 12] Generated Node #0,3: 76:[36, 36, 12] Operation: 84/7=12 Exploring Operation: 84-36=48, Resulting Numbers: [7, 36, 48] Generated Node #0,4: 76:[7, 36, 48] Operation: 84-36=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[36, 36, 77], Operations: ['84-7=77'] Exploring Operation: 77-36=41, Resulting Numbers: [36, 41] Generated Node #0,1,0: 76:[36, 41] Operation: 77-36=41 Exploring Operation: 36/36=1, Resulting Numbers: [77, 1] Generated Node #0,1,1: 76:[77, 1] Operation: 36/36=1 Exploring Operation: 77-36=41, Resulting Numbers: [36, 41] Generated Node #0,1,2: 76:[36, 41] Operation: 77-36=41 Exploring Operation: 36-36=0, Resulting Numbers: [77, 0] Generated Node #0,1,3: 76:[77, 0] Operation: 36-36=0 Exploring Operation: 36+36=72, Resulting Numbers: [77, 72] Generated Node #0,1,4: 76:[77, 72] Operation: 36+36=72 Moving to Node #0,1,1 Current State: 76:[77, 1], Operations: ['84-7=77', '36/36=1'] Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,76 unequal: No Solution Exploring Operation: 77*1=77, Resulting Numbers: [77] 77,76 unequal: No Solution Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[36, 84, 7, 36], Operations: [] Exploring Operation: 84-7=77, Resulting Numbers: [36, 36, 77] Generated Node #0,1: 76:[36, 36, 77] Operation: 84-7=77 Moving to Node #0,1 Current State: 76:[36, 36, 77], Operations: ['84-7=77'] Exploring Operation: 36/36=1, Resulting Numbers: [77, 1] Generated Node #0,1,1: 76:[77, 1] Operation: 36/36=1 Moving to Node #0,1,1 Current State: 76:[77, 1], Operations: ['84-7=77', '36/36=1'] Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 32, 76, 88, 23 ]
21
[ "76-32=44", "88-23=65", "65-44=21" ]
Current State: 21:[32, 76, 88, 23], Operations: [] Exploring Operation: 76-32=44, Resulting Numbers: [88, 23, 44] Generated Node #2: [88, 23, 44] from Operation: 76-32=44 Current State: 21:[88, 23, 44], Operations: ['76-32=44'] Exploring Operation: 88-23=65, Resulting Numbers: [44, 65] Generated Node #3: [44, 65] from Operation: 88-23=65 Current State: 21:[44, 65], Operations: ['76-32=44', '88-23=65'] Exploring Operation: 65-44=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[32, 76, 88, 23], Operations: [] Exploring Operation: 88-32=56, Resulting Numbers: [76, 23, 56] Generated Node #0,0: 21:[76, 23, 56] Operation: 88-32=56 Exploring Operation: 88-76=12, Resulting Numbers: [32, 23, 12] Generated Node #0,1: 21:[32, 23, 12] Operation: 88-76=12 Exploring Operation: 76-32=44, Resulting Numbers: [88, 23, 44] Generated Node #0,2: 21:[88, 23, 44] Operation: 76-32=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[32, 23, 12], Operations: ['88-76=12'] Exploring Operation: 32-23=9, Resulting Numbers: [12, 9] Generated Node #0,1,0: 21:[12, 9] Operation: 32-23=9 Exploring Operation: 23-12=11, Resulting Numbers: [32, 11] Generated Node #0,1,1: 21:[32, 11] Operation: 23-12=11 Exploring Operation: 32-12=20, Resulting Numbers: [23, 20] Generated Node #0,1,2: 21:[23, 20] Operation: 32-12=20 Moving to Node #0,1,2 Current State: 21:[23, 20], Operations: ['88-76=12', '32-12=20'] Exploring Operation: 23+20=43, Resulting Numbers: [43] 43,21 unequal: No Solution Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,21 unequal: No Solution Exploring Operation: 23*20=460, Resulting Numbers: [460] 460,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[12, 9], Operations: ['88-76=12', '32-23=9'] Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[32, 76, 88, 23], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [32, 23, 12] Generated Node #0,1: 21:[32, 23, 12] Operation: 88-76=12 Moving to Node #0,1 Current State: 21:[32, 23, 12], Operations: ['88-76=12'] Exploring Operation: 32-23=9, Resulting Numbers: [12, 9] Generated Node #0,1,0: 21:[12, 9] Operation: 32-23=9 Moving to Node #0,1,0 Current State: 21:[12, 9], Operations: ['88-76=12', '32-23=9'] Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic