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
[ 44, 19, 37, 93 ]
41
[ "19*93=1767", "37+1767=1804", "1804/44=41" ]
Current State: 41:[44, 19, 37, 93], Operations: [] Exploring Operation: 19*93=1767, Resulting Numbers: [44, 37, 1767] Generated Node #2: [44, 37, 1767] from Operation: 19*93=1767 Current State: 41:[44, 37, 1767], Operations: ['19*93=1767'] Exploring Operation: 37+1767=1804, Resulting Numbers: [44, 1804] Generated Node #3: [44, 1804] from Operation: 37+1767=1804 Current State: 41:[44, 1804], Operations: ['19*93=1767', '37+1767=1804'] Exploring Operation: 1804/44=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[44, 19, 37, 93], Operations: [] Exploring Operation: 93-44=49, Resulting Numbers: [19, 37, 49] Generated Node #0,0: 41:[19, 37, 49] Operation: 93-44=49 Moving to Node #0,0 Current State: 41:[19, 37, 49], Operations: ['93-44=49'] Exploring Operation: 49-19=30, Resulting Numbers: [37, 30] Generated Node #0,0,0: 41:[37, 30] Operation: 49-19=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[37, 30], Operations: ['93-44=49', '49-19=30'] Exploring Operation: 37+30=67, Resulting Numbers: [67] 67,41 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
[ 72, 87, 19, 39 ]
43
[ "87-72=15", "19+39=58", "58-15=43" ]
Current State: 43:[72, 87, 19, 39], Operations: [] Exploring Operation: 87-72=15, Resulting Numbers: [19, 39, 15] Generated Node #2: [19, 39, 15] from Operation: 87-72=15 Current State: 43:[19, 39, 15], Operations: ['87-72=15'] Exploring Operation: 19+39=58, Resulting Numbers: [15, 58] Generated Node #3: [15, 58] from Operation: 19+39=58 Current State: 43:[15, 58], Operations: ['87-72=15', '19+39=58'] Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[72, 87, 19, 39], Operations: [] Exploring Operation: 87-72=15, Resulting Numbers: [19, 39, 15] Generated Node #0,0: 43:[19, 39, 15] Operation: 87-72=15 Moving to Node #0,0 Current State: 43:[19, 39, 15], Operations: ['87-72=15'] Exploring Operation: 19+15=34, Resulting Numbers: [39, 34] Generated Node #0,0,0: 43:[39, 34] Operation: 19+15=34 Moving to Node #0,0,0 Current State: 43:[39, 34], Operations: ['87-72=15', '19+15=34'] Exploring Operation: 39+34=73, Resulting Numbers: [73] 73,43 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 74, 88, 72, 83 ]
25
[ "88-74=14", "83-72=11", "14+11=25" ]
Current State: 25:[74, 88, 72, 83], Operations: [] Exploring Operation: 88-74=14, Resulting Numbers: [72, 83, 14] Generated Node #2: [72, 83, 14] from Operation: 88-74=14 Current State: 25:[72, 83, 14], Operations: ['88-74=14'] Exploring Operation: 83-72=11, Resulting Numbers: [14, 11] Generated Node #3: [14, 11] from Operation: 83-72=11 Current State: 25:[14, 11], Operations: ['88-74=14', '83-72=11'] Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[74, 88, 72, 83], Operations: [] Exploring Operation: 88-74=14, Resulting Numbers: [72, 83, 14] Generated Node #0,0: 25:[72, 83, 14] Operation: 88-74=14 Exploring Operation: 83-74=9, Resulting Numbers: [88, 72, 9] Generated Node #0,1: 25:[88, 72, 9] Operation: 83-74=9 Exploring Operation: 88-83=5, Resulting Numbers: [74, 72, 5] Generated Node #0,2: 25:[74, 72, 5] Operation: 88-83=5 Moving to Node #0,2 Current State: 25:[74, 72, 5], Operations: ['88-83=5'] Exploring Operation: 72-5=67, Resulting Numbers: [74, 67] Generated Node #0,2,0: 25:[74, 67] Operation: 72-5=67 Exploring Operation: 74-72=2, Resulting Numbers: [5, 2] Generated Node #0,2,1: 25:[5, 2] Operation: 74-72=2 Exploring Operation: 74-5=69, Resulting Numbers: [72, 69] Generated Node #0,2,2: 25:[72, 69] Operation: 74-5=69 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 25:[5, 2], Operations: ['88-83=5', '74-72=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[74, 67], Operations: ['88-83=5', '72-5=67'] Exploring Operation: 74+67=141, Resulting Numbers: [141] 141,25 unequal: No Solution Exploring Operation: 74-67=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 74*67=4958, Resulting Numbers: [4958] 4958,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 25:[72, 69], Operations: ['88-83=5', '74-5=69'] Exploring Operation: 72+69=141, Resulting Numbers: [141] 141,25 unequal: No Solution Exploring Operation: 72*69=4968, Resulting Numbers: [4968] 4968,25 unequal: No Solution Exploring Operation: 72-69=3, Resulting Numbers: [3] 3,25 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: 25:[72, 83, 14], Operations: ['88-74=14'] Exploring Operation: 72-14=58, Resulting Numbers: [83, 58] Generated Node #0,0,0: 25:[83, 58] Operation: 72-14=58 Exploring Operation: 83-72=11, Resulting Numbers: [14, 11] Generated Node #0,0,1: 25:[14, 11] Operation: 83-72=11 Exploring Operation: 83-14=69, Resulting Numbers: [72, 69] Generated Node #0,0,2: 25:[72, 69] Operation: 83-14=69 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[14, 11], Operations: ['88-74=14', '83-72=11'] Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,25 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[74, 88, 72, 83], Operations: [] Exploring Operation: 88-74=14, Resulting Numbers: [72, 83, 14] Generated Node #0,0: 25:[72, 83, 14] Operation: 88-74=14 Moving to Node #0,0 Current State: 25:[72, 83, 14], Operations: ['88-74=14'] Exploring Operation: 83-72=11, Resulting Numbers: [14, 11] Generated Node #0,0,1: 25:[14, 11] Operation: 83-72=11 Moving to Node #0,0,1 Current State: 25:[14, 11], Operations: ['88-74=14', '83-72=11'] Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 35, 46, 33, 93 ]
70
[ "35-33=2", "46/2=23", "93-23=70" ]
Current State: 70:[35, 46, 33, 93], Operations: [] Exploring Operation: 35-33=2, Resulting Numbers: [46, 93, 2] Generated Node #2: [46, 93, 2] from Operation: 35-33=2 Current State: 70:[46, 93, 2], Operations: ['35-33=2'] Exploring Operation: 46/2=23, Resulting Numbers: [93, 23] Generated Node #3: [93, 23] from Operation: 46/2=23 Current State: 70:[93, 23], Operations: ['35-33=2', '46/2=23'] Exploring Operation: 93-23=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[35, 46, 33, 93], Operations: [] Exploring Operation: 93-46=47, Resulting Numbers: [35, 33, 47] Generated Node #0,0: 70:[35, 33, 47] Operation: 93-46=47 Exploring Operation: 46-33=13, Resulting Numbers: [35, 93, 13] Generated Node #0,1: 70:[35, 93, 13] Operation: 46-33=13 Exploring Operation: 93-33=60, Resulting Numbers: [35, 46, 60] Generated Node #0,2: 70:[35, 46, 60] Operation: 93-33=60 Moving to Node #0,0 Current State: 70:[35, 33, 47], Operations: ['93-46=47'] Exploring Operation: 47-33=14, Resulting Numbers: [35, 14] Generated Node #0,0,0: 70:[35, 14] Operation: 47-33=14 Exploring Operation: 47-35=12, Resulting Numbers: [33, 12] Generated Node #0,0,1: 70:[33, 12] Operation: 47-35=12 Exploring Operation: 33+47=80, Resulting Numbers: [35, 80] Generated Node #0,0,2: 70:[35, 80] Operation: 33+47=80 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[35, 14], Operations: ['93-46=47', '47-33=14'] Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,70 unequal: No Solution Exploring Operation: 35*14=490, Resulting Numbers: [490] 490,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[33, 12], Operations: ['93-46=47', '47-35=12'] Exploring Operation: 33*12=396, Resulting Numbers: [396] 396,70 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 33+12=45, Resulting Numbers: [45] 45,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 70:[35, 80], Operations: ['93-46=47', '33+47=80'] Exploring Operation: 35*80=2800, Resulting Numbers: [2800] 2800,70 unequal: No Solution Exploring Operation: 35+80=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 80-35=45, Resulting Numbers: [45] 45,70 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: 70:[35, 46, 60], Operations: ['93-33=60'] Exploring Operation: 35+46=81, Resulting Numbers: [60, 81] Generated Node #0,2,0: 70:[60, 81] Operation: 35+46=81 Exploring Operation: 46-35=11, Resulting Numbers: [60, 11] Generated Node #0,2,1: 70:[60, 11] Operation: 46-35=11 Exploring Operation: 60-46=14, Resulting Numbers: [35, 14] Generated Node #0,2,2: 70:[35, 14] Operation: 60-46=14 Moving to Node #0,1 Current State: 70:[35, 93, 13], Operations: ['46-33=13'] Exploring Operation: 93-35=58, Resulting Numbers: [13, 58] Generated Node #0,1,0: 70:[13, 58] Operation: 93-35=58 Exploring Operation: 93-13=80, Resulting Numbers: [35, 80] Generated Node #0,1,1: 70:[35, 80] Operation: 93-13=80 Exploring Operation: 35-13=22, Resulting Numbers: [93, 22] Generated Node #0,1,2: 70:[93, 22] Operation: 35-13=22 Moving to Node #0,2,2 Current State: 70:[35, 14], Operations: ['93-33=60', '60-46=14'] Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,70 unequal: No Solution Exploring Operation: 35*14=490, Resulting Numbers: [490] 490,70 unequal: No Solution Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[35, 80], Operations: ['46-33=13', '93-13=80'] Exploring Operation: 35+80=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 80-35=45, Resulting Numbers: [45] 45,70 unequal: No Solution Exploring Operation: 35*80=2800, Resulting Numbers: [2800] 2800,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[60, 11], Operations: ['93-33=60', '46-35=11'] Exploring Operation: 60*11=660, Resulting Numbers: [660] 660,70 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,70 unequal: No Solution Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[13, 58], Operations: ['46-33=13', '93-35=58'] Exploring Operation: 13+58=71, Resulting Numbers: [71] 71,70 unequal: No Solution Exploring Operation: 58-13=45, Resulting Numbers: [45] 45,70 unequal: No Solution Exploring Operation: 13*58=754, Resulting Numbers: [754] 754,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[60, 81], Operations: ['93-33=60', '35+46=81'] Exploring Operation: 81-60=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 60*81=4860, Resulting Numbers: [4860] 4860,70 unequal: No Solution Exploring Operation: 60+81=141, Resulting Numbers: [141] 141,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[93, 22], Operations: ['46-33=13', '35-13=22'] Exploring Operation: 93+22=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 93*22=2046, Resulting Numbers: [2046] 2046,70 unequal: No Solution Exploring Operation: 93-22=71, Resulting Numbers: [71] 71,70 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 54, 74, 75, 92 ]
38
[ "92-54=38", "75-74=1", "38*1=38" ]
Current State: 38:[54, 74, 75, 92], Operations: [] Exploring Operation: 92-54=38, Resulting Numbers: [74, 75, 38] Generated Node #2: [74, 75, 38] from Operation: 92-54=38 Current State: 38:[74, 75, 38], Operations: ['92-54=38'] Exploring Operation: 75-74=1, Resulting Numbers: [38, 1] Generated Node #3: [38, 1] from Operation: 75-74=1 Current State: 38:[38, 1], Operations: ['92-54=38', '75-74=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[54, 74, 75, 92], Operations: [] Exploring Operation: 92-74=18, Resulting Numbers: [54, 75, 18] Generated Node #0,0: 38:[54, 75, 18] Operation: 92-74=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[54, 75, 18], Operations: ['92-74=18'] Exploring Operation: 75-54=21, Resulting Numbers: [18, 21] Generated Node #0,0,0: 38:[18, 21] Operation: 75-54=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[18, 21], Operations: ['92-74=18', '75-54=21'] Exploring Operation: 18+21=39, Resulting Numbers: [39] 39,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 6, 9, 66, 10 ]
79
[ "9-6=3", "66+10=76", "3+76=79" ]
Current State: 79:[6, 9, 66, 10], Operations: [] Exploring Operation: 9-6=3, Resulting Numbers: [66, 10, 3] Generated Node #2: [66, 10, 3] from Operation: 9-6=3 Current State: 79:[66, 10, 3], Operations: ['9-6=3'] Exploring Operation: 66+10=76, Resulting Numbers: [3, 76] Generated Node #3: [3, 76] from Operation: 66+10=76 Current State: 79:[3, 76], Operations: ['9-6=3', '66+10=76'] Exploring Operation: 3+76=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[6, 9, 66, 10], Operations: [] Exploring Operation: 6*9=54, Resulting Numbers: [66, 10, 54] Generated Node #0,0: 79:[66, 10, 54] Operation: 6*9=54 Exploring Operation: 6+9=15, Resulting Numbers: [66, 10, 15] Generated Node #0,1: 79:[66, 10, 15] Operation: 6+9=15 Exploring Operation: 9*10=90, Resulting Numbers: [6, 66, 90] Generated Node #0,2: 79:[6, 66, 90] Operation: 9*10=90 Exploring Operation: 6*10=60, Resulting Numbers: [9, 66, 60] Generated Node #0,3: 79:[9, 66, 60] Operation: 6*10=60 Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[6, 66, 90], Operations: ['9*10=90'] Exploring Operation: 6+66=72, Resulting Numbers: [90, 72] Generated Node #0,2,0: 79:[90, 72] Operation: 6+66=72 Exploring Operation: 66-6=60, Resulting Numbers: [90, 60] Generated Node #0,2,1: 79:[90, 60] Operation: 66-6=60 Exploring Operation: 90-6=84, Resulting Numbers: [66, 84] Generated Node #0,2,2: 79:[66, 84] Operation: 90-6=84 Exploring Operation: 6+90=96, Resulting Numbers: [66, 96] Generated Node #0,2,3: 79:[66, 96] Operation: 6+90=96 Moving to Node #0,2,0 Current State: 79:[90, 72], Operations: ['9*10=90', '6+66=72'] Exploring Operation: 90*72=6480, Resulting Numbers: [6480] 6480,79 unequal: No Solution Exploring Operation: 90-72=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 90+72=162, Resulting Numbers: [162] 162,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[66, 84], Operations: ['9*10=90', '90-6=84'] Exploring Operation: 84-66=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 66*84=5544, Resulting Numbers: [5544] 5544,79 unequal: No Solution Exploring Operation: 66+84=150, Resulting Numbers: [150] 150,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[66, 96], Operations: ['9*10=90', '6+90=96'] Exploring Operation: 66+96=162, Resulting Numbers: [162] 162,79 unequal: No Solution Exploring Operation: 96-66=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 66*96=6336, Resulting Numbers: [6336] 6336,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[90, 60], Operations: ['9*10=90', '66-6=60'] Exploring Operation: 90+60=150, Resulting Numbers: [150] 150,79 unequal: No Solution Exploring Operation: 90-60=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 90*60=5400, Resulting Numbers: [5400] 5400,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[9, 66, 60], Operations: ['6*10=60'] Exploring Operation: 9+60=69, Resulting Numbers: [66, 69] Generated Node #0,3,0: 79:[66, 69] Operation: 9+60=69 Exploring Operation: 60-9=51, Resulting Numbers: [66, 51] Generated Node #0,3,1: 79:[66, 51] Operation: 60-9=51 Exploring Operation: 9+66=75, Resulting Numbers: [60, 75] Generated Node #0,3,2: 79:[60, 75] Operation: 9+66=75 Exploring Operation: 66-9=57, Resulting Numbers: [60, 57] Generated Node #0,3,3: 79:[60, 57] Operation: 66-9=57 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 79:[66, 69], Operations: ['6*10=60', '9+60=69'] Exploring Operation: 66*69=4554, Resulting Numbers: [4554] 4554,79 unequal: No Solution Exploring Operation: 69-66=3, Resulting Numbers: [3] 3,79 unequal: No Solution Exploring Operation: 66+69=135, Resulting Numbers: [135] 135,79 unequal: No Solution No 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: 79:[60, 75], Operations: ['6*10=60', '9+66=75'] Exploring Operation: 60*75=4500, Resulting Numbers: [4500] 4500,79 unequal: No Solution Exploring Operation: 60+75=135, Resulting Numbers: [135] 135,79 unequal: No Solution Exploring Operation: 75-60=15, Resulting Numbers: [15] 15,79 unequal: No Solution No 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: 79:[66, 51], Operations: ['6*10=60', '60-9=51'] Exploring Operation: 66+51=117, Resulting Numbers: [117] 117,79 unequal: No Solution Exploring Operation: 66*51=3366, Resulting Numbers: [3366] 3366,79 unequal: No Solution Exploring Operation: 66-51=15, Resulting Numbers: [15] 15,79 unequal: No Solution No 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: 79:[60, 57], Operations: ['6*10=60', '66-9=57'] Exploring Operation: 60+57=117, Resulting Numbers: [117] 117,79 unequal: No Solution Exploring Operation: 60*57=3420, Resulting Numbers: [3420] 3420,79 unequal: No Solution Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,79 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: 79:[66, 10, 54], Operations: ['6*9=54'] Exploring Operation: 66-10=56, Resulting Numbers: [54, 56] Generated Node #0,0,0: 79:[54, 56] Operation: 66-10=56 Exploring Operation: 10+54=64, Resulting Numbers: [66, 64] Generated Node #0,0,1: 79:[66, 64] Operation: 10+54=64 Exploring Operation: 66+10=76, Resulting Numbers: [54, 76] Generated Node #0,0,2: 79:[54, 76] Operation: 66+10=76 Exploring Operation: 54-10=44, Resulting Numbers: [66, 44] Generated Node #0,0,3: 79:[66, 44] Operation: 54-10=44 Moving to Node #0,0,1 Current State: 79:[66, 64], Operations: ['6*9=54', '10+54=64'] Exploring Operation: 66*64=4224, Resulting Numbers: [4224] 4224,79 unequal: No Solution Exploring Operation: 66-64=2, Resulting Numbers: [2] 2,79 unequal: No Solution Exploring Operation: 66+64=130, Resulting Numbers: [130] 130,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[54, 76], Operations: ['6*9=54', '66+10=76'] Exploring Operation: 54+76=130, Resulting Numbers: [130] 130,79 unequal: No Solution Exploring Operation: 54*76=4104, Resulting Numbers: [4104] 4104,79 unequal: No Solution Exploring Operation: 76-54=22, Resulting Numbers: [22] 22,79 unequal: No Solution Moving to Node #0,0,3 Current State: 79:[66, 44], Operations: ['6*9=54', '54-10=44'] Exploring Operation: 66*44=2904, Resulting Numbers: [2904] 2904,79 unequal: No Solution Exploring Operation: 66+44=110, Resulting Numbers: [110] 110,79 unequal: No Solution Exploring Operation: 66-44=22, Resulting Numbers: [22] 22,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[54, 56], Operations: ['6*9=54', '66-10=56'] Exploring Operation: 56-54=2, Resulting Numbers: [2] 2,79 unequal: No Solution Exploring Operation: 54+56=110, Resulting Numbers: [110] 110,79 unequal: No Solution Exploring Operation: 54*56=3024, Resulting Numbers: [3024] 3024,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[66, 10, 15], Operations: ['6+9=15'] Exploring Operation: 66+15=81, Resulting Numbers: [10, 81] Generated Node #0,1,0: 79:[10, 81] Operation: 66+15=81 Exploring Operation: 10*15=150, Resulting Numbers: [66, 150] Generated Node #0,1,1: 79:[66, 150] Operation: 10*15=150 Exploring Operation: 10+15=25, Resulting Numbers: [66, 25] Generated Node #0,1,2: 79:[66, 25] Operation: 10+15=25 Exploring Operation: 66+10=76, Resulting Numbers: [15, 76] Generated Node #0,1,3: 79:[15, 76] Operation: 66+10=76 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 79:[66, 25], Operations: ['6+9=15', '10+15=25'] Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,79 unequal: No Solution Exploring Operation: 66*25=1650, Resulting Numbers: [1650] 1650,79 unequal: No Solution Exploring Operation: 66+25=91, Resulting Numbers: [91] 91,79 unequal: No Solution No 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: 79:[15, 76], Operations: ['6+9=15', '66+10=76'] Exploring Operation: 15+76=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 76-15=61, Resulting Numbers: [61] 61,79 unequal: No Solution Exploring Operation: 15*76=1140, Resulting Numbers: [1140] 1140,79 unequal: No Solution No 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: 79:[10, 81], Operations: ['6+9=15', '66+15=81'] Exploring Operation: 10+81=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 10*81=810, Resulting Numbers: [810] 810,79 unequal: No Solution Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,79 unequal: No Solution No 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: 79:[66, 150], Operations: ['6+9=15', '10*15=150'] Exploring Operation: 66*150=9900, Resulting Numbers: [9900] 9900,79 unequal: No Solution Exploring Operation: 66+150=216, Resulting Numbers: [216] 216,79 unequal: No Solution Exploring Operation: 150-66=84, Resulting Numbers: [84] 84,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 12, 76, 52, 78 ]
39
[ "12*78=936", "76-52=24", "936/24=39" ]
Current State: 39:[12, 76, 52, 78], Operations: [] Exploring Operation: 12*78=936, Resulting Numbers: [76, 52, 936] Generated Node #2: [76, 52, 936] from Operation: 12*78=936 Current State: 39:[76, 52, 936], Operations: ['12*78=936'] Exploring Operation: 76-52=24, Resulting Numbers: [936, 24] Generated Node #3: [936, 24] from Operation: 76-52=24 Current State: 39:[936, 24], Operations: ['12*78=936', '76-52=24'] Exploring Operation: 936/24=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[12, 76, 52, 78], Operations: [] Exploring Operation: 78-76=2, Resulting Numbers: [12, 52, 2] Generated Node #0,0: 39:[12, 52, 2] Operation: 78-76=2 Exploring Operation: 76-52=24, Resulting Numbers: [12, 78, 24] Generated Node #0,1: 39:[12, 78, 24] Operation: 76-52=24 Exploring Operation: 78-52=26, Resulting Numbers: [12, 76, 26] Generated Node #0,2: 39:[12, 76, 26] Operation: 78-52=26 Moving to Node #0,0 Current State: 39:[12, 52, 2], Operations: ['78-76=2'] Exploring Operation: 52-2=50, Resulting Numbers: [12, 50] Generated Node #0,0,0: 39:[12, 50] Operation: 52-2=50 Exploring Operation: 12+2=14, Resulting Numbers: [52, 14] Generated Node #0,0,1: 39:[52, 14] Operation: 12+2=14 Exploring Operation: 52-12=40, Resulting Numbers: [2, 40] Generated Node #0,0,2: 39:[2, 40] Operation: 52-12=40 Moving to Node #0,1 Current State: 39:[12, 78, 24], Operations: ['76-52=24'] Exploring Operation: 78-12=66, Resulting Numbers: [24, 66] Generated Node #0,1,0: 39:[24, 66] Operation: 78-12=66 Exploring Operation: 24-12=12, Resulting Numbers: [78, 12] Generated Node #0,1,1: 39:[78, 12] Operation: 24-12=12 Exploring Operation: 78-24=54, Resulting Numbers: [12, 54] Generated Node #0,1,2: 39:[12, 54] Operation: 78-24=54 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[12, 54], Operations: ['76-52=24', '78-24=54'] Exploring Operation: 12+54=66, Resulting Numbers: [66] 66,39 unequal: No Solution Exploring Operation: 12*54=648, Resulting Numbers: [648] 648,39 unequal: No Solution Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,39 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 #0,1,0 Current State: 39:[24, 66], Operations: ['76-52=24', '78-12=66'] Exploring Operation: 24*66=1584, Resulting Numbers: [1584] 1584,39 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 24+66=90, Resulting Numbers: [90] 90,39 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 #0,1,1 Current State: 39:[78, 12], Operations: ['76-52=24', '24-12=12'] Exploring Operation: 78*12=936, Resulting Numbers: [936] 936,39 unequal: No Solution Exploring Operation: 78+12=90, Resulting Numbers: [90] 90,39 unequal: No Solution Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,39 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: 39:[12, 76, 26], Operations: ['78-52=26'] Exploring Operation: 76-26=50, Resulting Numbers: [12, 50] Generated Node #0,2,0: 39:[12, 50] Operation: 76-26=50 Exploring Operation: 76-12=64, Resulting Numbers: [26, 64] Generated Node #0,2,1: 39:[26, 64] Operation: 76-12=64 Exploring Operation: 12+26=38, Resulting Numbers: [76, 38] Generated Node #0,2,2: 39:[76, 38] Operation: 12+26=38 Moving to Node #0,0,2 Current State: 39:[2, 40], Operations: ['78-76=2', '52-12=40'] Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[12, 50], Operations: ['78-76=2', '52-2=50'] Exploring Operation: 12*50=600, Resulting Numbers: [600] 600,39 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[12, 50], Operations: ['78-52=26', '76-26=50'] Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 12*50=600, Resulting Numbers: [600] 600,39 unequal: No Solution Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[52, 14], Operations: ['78-76=2', '12+2=14'] Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 52*14=728, Resulting Numbers: [728] 728,39 unequal: No Solution Exploring Operation: 52+14=66, Resulting Numbers: [66] 66,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[76, 38], Operations: ['78-52=26', '12+26=38'] Exploring Operation: 76+38=114, Resulting Numbers: [114] 114,39 unequal: No Solution Exploring Operation: 76/38=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 76-38=38, Resulting Numbers: [38] 38,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[26, 64], Operations: ['78-52=26', '76-12=64'] Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 26+64=90, Resulting Numbers: [90] 90,39 unequal: No Solution Exploring Operation: 26*64=1664, Resulting Numbers: [1664] 1664,39 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 46, 30, 76, 44 ]
53
[ "46-44=2", "30+76=106", "106/2=53" ]
Current State: 53:[46, 30, 76, 44], Operations: [] Exploring Operation: 46-44=2, Resulting Numbers: [30, 76, 2] Generated Node #2: [30, 76, 2] from Operation: 46-44=2 Current State: 53:[30, 76, 2], Operations: ['46-44=2'] Exploring Operation: 30+76=106, Resulting Numbers: [2, 106] Generated Node #3: [2, 106] from Operation: 30+76=106 Current State: 53:[2, 106], Operations: ['46-44=2', '30+76=106'] Exploring Operation: 106/2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[46, 30, 76, 44], Operations: [] Exploring Operation: 76-44=32, Resulting Numbers: [46, 30, 32] Generated Node #0,0: 53:[46, 30, 32] Operation: 76-44=32 Exploring Operation: 30+44=74, Resulting Numbers: [46, 76, 74] Generated Node #0,1: 53:[46, 76, 74] Operation: 30+44=74 Exploring Operation: 76-30=46, Resulting Numbers: [46, 44, 46] Generated Node #0,2: 53:[46, 44, 46] Operation: 76-30=46 Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[46, 44, 46], Operations: ['76-30=46'] Exploring Operation: 44+46=90, Resulting Numbers: [46, 90] Generated Node #0,2,0: 53:[46, 90] Operation: 44+46=90 Exploring Operation: 46+44=90, Resulting Numbers: [46, 90] Generated Node #0,2,1: 53:[46, 90] Operation: 46+44=90 Exploring Operation: 46+46=92, Resulting Numbers: [44, 92] Generated Node #0,2,2: 53:[44, 92] Operation: 46+46=92 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 53:[46, 90], Operations: ['76-30=46', '44+46=90'] Exploring Operation: 46+90=136, Resulting Numbers: [136] 136,53 unequal: No Solution Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 46*90=4140, Resulting Numbers: [4140] 4140,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 53:[46, 90], Operations: ['76-30=46', '46+44=90'] Exploring Operation: 46*90=4140, Resulting Numbers: [4140] 4140,53 unequal: No Solution Exploring Operation: 46+90=136, Resulting Numbers: [136] 136,53 unequal: No Solution Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 53:[44, 92], Operations: ['76-30=46', '46+46=92'] Exploring Operation: 44*92=4048, Resulting Numbers: [4048] 4048,53 unequal: No Solution Exploring Operation: 92-44=48, Resulting Numbers: [48] 48,53 unequal: No Solution Exploring Operation: 44+92=136, Resulting Numbers: [136] 136,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[46, 30, 32], Operations: ['76-44=32'] Exploring Operation: 46+30=76, Resulting Numbers: [32, 76] Generated Node #0,0,0: 53:[32, 76] Operation: 46+30=76 Exploring Operation: 30+32=62, Resulting Numbers: [46, 62] Generated Node #0,0,1: 53:[46, 62] Operation: 30+32=62 Exploring Operation: 46+32=78, Resulting Numbers: [30, 78] Generated Node #0,0,2: 53:[30, 78] Operation: 46+32=78 Moving to Node #0,0,1 Current State: 53:[46, 62], Operations: ['76-44=32', '30+32=62'] Exploring Operation: 46*62=2852, Resulting Numbers: [2852] 2852,53 unequal: No Solution Exploring Operation: 46+62=108, Resulting Numbers: [108] 108,53 unequal: No Solution Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[32, 76], Operations: ['76-44=32', '46+30=76'] Exploring Operation: 32+76=108, Resulting Numbers: [108] 108,53 unequal: No Solution Exploring Operation: 76-32=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 32*76=2432, Resulting Numbers: [2432] 2432,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[30, 78], Operations: ['76-44=32', '46+32=78'] Exploring Operation: 30+78=108, Resulting Numbers: [108] 108,53 unequal: No Solution Exploring Operation: 78-30=48, Resulting Numbers: [48] 48,53 unequal: No Solution Exploring Operation: 30*78=2340, Resulting Numbers: [2340] 2340,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[46, 76, 74], Operations: ['30+44=74'] Exploring Operation: 76-46=30, Resulting Numbers: [74, 30] Generated Node #0,1,0: 53:[74, 30] Operation: 76-46=30 Exploring Operation: 76-74=2, Resulting Numbers: [46, 2] Generated Node #0,1,1: 53:[46, 2] Operation: 76-74=2 Exploring Operation: 74-46=28, Resulting Numbers: [76, 28] Generated Node #0,1,2: 53:[76, 28] Operation: 74-46=28 Moving to Node #0,1,0 Current State: 53:[74, 30], Operations: ['30+44=74', '76-46=30'] Exploring Operation: 74*30=2220, Resulting Numbers: [2220] 2220,53 unequal: No Solution Exploring Operation: 74+30=104, Resulting Numbers: [104] 104,53 unequal: No Solution Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[76, 28], Operations: ['30+44=74', '74-46=28'] Exploring Operation: 76+28=104, Resulting Numbers: [104] 104,53 unequal: No Solution Exploring Operation: 76*28=2128, Resulting Numbers: [2128] 2128,53 unequal: No Solution Exploring Operation: 76-28=48, Resulting Numbers: [48] 48,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[46, 2], Operations: ['30+44=74', '76-74=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,53 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,53 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
[ 8, 91, 6, 23 ]
95
[ "8+23=31", "6*31=186", "186-91=95" ]
Current State: 95:[8, 91, 6, 23], Operations: [] Exploring Operation: 8+23=31, Resulting Numbers: [91, 6, 31] Generated Node #2: [91, 6, 31] from Operation: 8+23=31 Current State: 95:[91, 6, 31], Operations: ['8+23=31'] Exploring Operation: 6*31=186, Resulting Numbers: [91, 186] Generated Node #3: [91, 186] from Operation: 6*31=186 Current State: 95:[91, 186], Operations: ['8+23=31', '6*31=186'] Exploring Operation: 186-91=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[8, 91, 6, 23], Operations: [] Exploring Operation: 8+91=99, Resulting Numbers: [6, 23, 99] Generated Node #0,0: 95:[6, 23, 99] Operation: 8+91=99 Moving to Node #0,0 Current State: 95:[6, 23, 99], Operations: ['8+91=99'] Exploring Operation: 23-6=17, Resulting Numbers: [99, 17] Generated Node #0,0,0: 95:[99, 17] Operation: 23-6=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[99, 17], Operations: ['8+91=99', '23-6=17'] Exploring Operation: 99-17=82, Resulting Numbers: [82] 82,95 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, 15, 60, 45 ]
76
[ "19+60=79", "45/15=3", "79-3=76" ]
Current State: 76:[19, 15, 60, 45], Operations: [] Exploring Operation: 19+60=79, Resulting Numbers: [15, 45, 79] Generated Node #2: [15, 45, 79] from Operation: 19+60=79 Current State: 76:[15, 45, 79], Operations: ['19+60=79'] Exploring Operation: 45/15=3, Resulting Numbers: [79, 3] Generated Node #3: [79, 3] from Operation: 45/15=3 Current State: 76:[79, 3], Operations: ['19+60=79', '45/15=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[19, 15, 60, 45], Operations: [] Exploring Operation: 60/15=4, Resulting Numbers: [19, 45, 4] Generated Node #0,0: 76:[19, 45, 4] Operation: 60/15=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[19, 45, 4], Operations: ['60/15=4'] Exploring Operation: 45-4=41, Resulting Numbers: [19, 41] Generated Node #0,0,0: 76:[19, 41] Operation: 45-4=41 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[19, 41], Operations: ['60/15=4', '45-4=41'] Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,76 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
[ 91, 9, 26, 89 ]
70
[ "91-89=2", "9+26=35", "2*35=70" ]
Current State: 70:[91, 9, 26, 89], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [9, 26, 2] Generated Node #2: [9, 26, 2] from Operation: 91-89=2 Current State: 70:[9, 26, 2], Operations: ['91-89=2'] Exploring Operation: 9+26=35, Resulting Numbers: [2, 35] Generated Node #3: [2, 35] from Operation: 9+26=35 Current State: 70:[2, 35], Operations: ['91-89=2', '9+26=35'] Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[91, 9, 26, 89], Operations: [] Exploring Operation: 91-9=82, Resulting Numbers: [26, 89, 82] Generated Node #0,0: 70:[26, 89, 82] Operation: 91-9=82 Exploring Operation: 89-26=63, Resulting Numbers: [91, 9, 63] Generated Node #0,1: 70:[91, 9, 63] Operation: 89-26=63 Exploring Operation: 91-89=2, Resulting Numbers: [9, 26, 2] Generated Node #0,2: 70:[9, 26, 2] Operation: 91-89=2 Exploring Operation: 91-26=65, Resulting Numbers: [9, 89, 65] Generated Node #0,3: 70:[9, 89, 65] Operation: 91-26=65 Start Sub Search at level 1: Moving to Node #0,2 Current State: 70:[9, 26, 2], Operations: ['91-89=2'] Exploring Operation: 9+26=35, Resulting Numbers: [2, 35] Generated Node #0,2,0: 70:[2, 35] Operation: 9+26=35 Exploring Operation: 26-9=17, Resulting Numbers: [2, 17] Generated Node #0,2,1: 70:[2, 17] Operation: 26-9=17 Exploring Operation: 26/2=13, Resulting Numbers: [9, 13] Generated Node #0,2,2: 70:[9, 13] Operation: 26/2=13 Exploring Operation: 26+2=28, Resulting Numbers: [9, 28] Generated Node #0,2,3: 70:[9, 28] Operation: 26+2=28 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 70:[2, 35], Operations: ['91-89=2', '9+26=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,70 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[91, 9, 26, 89], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [9, 26, 2] Generated Node #0,2: 70:[9, 26, 2] Operation: 91-89=2 Moving to Node #0,2 Current State: 70:[9, 26, 2], Operations: ['91-89=2'] Exploring Operation: 9+26=35, Resulting Numbers: [2, 35] Generated Node #0,2,0: 70:[2, 35] Operation: 9+26=35 Moving to Node #0,2,0 Current State: 70:[2, 35], Operations: ['91-89=2', '9+26=35'] Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 71, 12, 49, 26 ]
82
[ "71-12=59", "49-26=23", "59+23=82" ]
Current State: 82:[71, 12, 49, 26], Operations: [] Exploring Operation: 71-12=59, Resulting Numbers: [49, 26, 59] Generated Node #2: [49, 26, 59] from Operation: 71-12=59 Current State: 82:[49, 26, 59], Operations: ['71-12=59'] Exploring Operation: 49-26=23, Resulting Numbers: [59, 23] Generated Node #3: [59, 23] from Operation: 49-26=23 Current State: 82:[59, 23], Operations: ['71-12=59', '49-26=23'] Exploring Operation: 59+23=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[71, 12, 49, 26], Operations: [] Exploring Operation: 12+26=38, Resulting Numbers: [71, 49, 38] Generated Node #0,0: 82:[71, 49, 38] Operation: 12+26=38 Exploring Operation: 49+26=75, Resulting Numbers: [71, 12, 75] Generated Node #0,1: 82:[71, 12, 75] Operation: 49+26=75 Exploring Operation: 71-26=45, Resulting Numbers: [12, 49, 45] Generated Node #0,2: 82:[12, 49, 45] Operation: 71-26=45 Exploring Operation: 71+12=83, Resulting Numbers: [49, 26, 83] Generated Node #0,3: 82:[49, 26, 83] Operation: 71+12=83 Exploring Operation: 49-12=37, Resulting Numbers: [71, 26, 37] Generated Node #0,4: 82:[71, 26, 37] Operation: 49-12=37 Moving to Node #0,0 Current State: 82:[71, 49, 38], Operations: ['12+26=38'] Exploring Operation: 49+38=87, Resulting Numbers: [71, 87] Generated Node #0,0,0: 82:[71, 87] Operation: 49+38=87 Exploring Operation: 71+38=109, Resulting Numbers: [49, 109] Generated Node #0,0,1: 82:[49, 109] Operation: 71+38=109 Exploring Operation: 71-38=33, Resulting Numbers: [49, 33] Generated Node #0,0,2: 82:[49, 33] Operation: 71-38=33 Exploring Operation: 49-38=11, Resulting Numbers: [71, 11] Generated Node #0,0,3: 82:[71, 11] Operation: 49-38=11 Exploring Operation: 71-49=22, Resulting Numbers: [38, 22] Generated Node #0,0,4: 82:[38, 22] Operation: 71-49=22 Moving to Node #0,2 Current State: 82:[12, 49, 45], Operations: ['71-26=45'] Exploring Operation: 12+49=61, Resulting Numbers: [45, 61] Generated Node #0,2,0: 82:[45, 61] Operation: 12+49=61 Exploring Operation: 45-12=33, Resulting Numbers: [49, 33] Generated Node #0,2,1: 82:[49, 33] Operation: 45-12=33 Exploring Operation: 49-45=4, Resulting Numbers: [12, 4] Generated Node #0,2,2: 82:[12, 4] Operation: 49-45=4 Exploring Operation: 49+45=94, Resulting Numbers: [12, 94] Generated Node #0,2,3: 82:[12, 94] Operation: 49+45=94 Exploring Operation: 49-12=37, Resulting Numbers: [45, 37] Generated Node #0,2,4: 82:[45, 37] Operation: 49-12=37 Moving to Node #0,3 Current State: 82:[49, 26, 83], Operations: ['71+12=83'] Exploring Operation: 83-26=57, Resulting Numbers: [49, 57] Generated Node #0,3,0: 82:[49, 57] Operation: 83-26=57 Exploring Operation: 49+26=75, Resulting Numbers: [83, 75] Generated Node #0,3,1: 82:[83, 75] Operation: 49+26=75 Exploring Operation: 49-26=23, Resulting Numbers: [83, 23] Generated Node #0,3,2: 82:[83, 23] Operation: 49-26=23 Exploring Operation: 83-49=34, Resulting Numbers: [26, 34] Generated Node #0,3,3: 82:[26, 34] Operation: 83-49=34 Exploring Operation: 26+83=109, Resulting Numbers: [49, 109] Generated Node #0,3,4: 82:[49, 109] Operation: 26+83=109 Moving to Node #0,1 Current State: 82:[71, 12, 75], Operations: ['49+26=75'] Exploring Operation: 71+12=83, Resulting Numbers: [75, 83] Generated Node #0,1,0: 82:[75, 83] Operation: 71+12=83 Exploring Operation: 12+75=87, Resulting Numbers: [71, 87] Generated Node #0,1,1: 82:[71, 87] Operation: 12+75=87 Exploring Operation: 71-12=59, Resulting Numbers: [75, 59] Generated Node #0,1,2: 82:[75, 59] Operation: 71-12=59 Exploring Operation: 75-71=4, Resulting Numbers: [12, 4] Generated Node #0,1,3: 82:[12, 4] Operation: 75-71=4 Exploring Operation: 75-12=63, Resulting Numbers: [71, 63] Generated Node #0,1,4: 82:[71, 63] Operation: 75-12=63 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 82:[75, 83], Operations: ['49+26=75', '71+12=83'] Exploring Operation: 75+83=158, Resulting Numbers: [158] 158,82 unequal: No Solution Exploring Operation: 75*83=6225, Resulting Numbers: [6225] 6225,82 unequal: No Solution Exploring Operation: 83-75=8, Resulting Numbers: [8] 8,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 82:[12, 4], Operations: ['49+26=75', '75-71=4'] Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,82 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,82 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 82:[71, 87], Operations: ['49+26=75', '12+75=87'] Exploring Operation: 87-71=16, Resulting Numbers: [16] 16,82 unequal: No Solution Exploring Operation: 71+87=158, Resulting Numbers: [158] 158,82 unequal: No Solution Exploring Operation: 71*87=6177, Resulting Numbers: [6177] 6177,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 82:[75, 59], Operations: ['49+26=75', '71-12=59'] Exploring Operation: 75+59=134, Resulting Numbers: [134] 134,82 unequal: No Solution Exploring Operation: 75*59=4425, Resulting Numbers: [4425] 4425,82 unequal: No Solution Exploring Operation: 75-59=16, Resulting Numbers: [16] 16,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 82:[71, 63], Operations: ['49+26=75', '75-12=63'] Exploring Operation: 71+63=134, Resulting Numbers: [134] 134,82 unequal: No Solution Exploring Operation: 71*63=4473, Resulting Numbers: [4473] 4473,82 unequal: No Solution Exploring Operation: 71-63=8, Resulting Numbers: [8] 8,82 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: 82:[71, 26, 37], Operations: ['49-12=37'] Exploring Operation: 26+37=63, Resulting Numbers: [71, 63] Generated Node #0,4,0: 82:[71, 63] Operation: 26+37=63 Exploring Operation: 71-26=45, Resulting Numbers: [37, 45] Generated Node #0,4,1: 82:[37, 45] Operation: 71-26=45 Exploring Operation: 37-26=11, Resulting Numbers: [71, 11] Generated Node #0,4,2: 82:[71, 11] Operation: 37-26=11 Exploring Operation: 71-37=34, Resulting Numbers: [26, 34] Generated Node #0,4,3: 82:[26, 34] Operation: 71-37=34 Exploring Operation: 71+26=97, Resulting Numbers: [37, 97] Generated Node #0,4,4: 82:[37, 97] Operation: 71+26=97 Moving to Node #0,2,4 Current State: 82:[45, 37], Operations: ['71-26=45', '49-12=37'] Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[71, 12, 49, 26], Operations: [] Exploring Operation: 71-26=45, Resulting Numbers: [12, 49, 45] Generated Node #0,2: 82:[12, 49, 45] Operation: 71-26=45 Moving to Node #0,2 Current State: 82:[12, 49, 45], Operations: ['71-26=45'] Exploring Operation: 49-12=37, Resulting Numbers: [45, 37] Generated Node #0,2,4: 82:[45, 37] Operation: 49-12=37 Moving to Node #0,2,4 Current State: 82:[45, 37], Operations: ['71-26=45', '49-12=37'] Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.955729
hs_5
sum_heuristic
[ 88, 55, 57, 96 ]
92
[ "88+96=184", "57-55=2", "184/2=92" ]
Current State: 92:[88, 55, 57, 96], Operations: [] Exploring Operation: 88+96=184, Resulting Numbers: [55, 57, 184] Generated Node #2: [55, 57, 184] from Operation: 88+96=184 Current State: 92:[55, 57, 184], Operations: ['88+96=184'] Exploring Operation: 57-55=2, Resulting Numbers: [184, 2] Generated Node #3: [184, 2] from Operation: 57-55=2 Current State: 92:[184, 2], Operations: ['88+96=184', '57-55=2'] Exploring Operation: 184/2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[88, 55, 57, 96], Operations: [] Exploring Operation: 96-57=39, Resulting Numbers: [88, 55, 39] Generated Node #0,0: 92:[88, 55, 39] Operation: 96-57=39 Exploring Operation: 57-55=2, Resulting Numbers: [88, 96, 2] Generated Node #0,1: 92:[88, 96, 2] Operation: 57-55=2 Exploring Operation: 96-55=41, Resulting Numbers: [88, 57, 41] Generated Node #0,2: 92:[88, 57, 41] Operation: 96-55=41 Moving to Node #0,1 Current State: 92:[88, 96, 2], Operations: ['57-55=2'] Exploring Operation: 88/2=44, Resulting Numbers: [96, 44] Generated Node #0,1,0: 92:[96, 44] Operation: 88/2=44 Exploring Operation: 96-88=8, Resulting Numbers: [2, 8] Generated Node #0,1,1: 92:[2, 8] Operation: 96-88=8 Exploring Operation: 88+2=90, Resulting Numbers: [96, 90] Generated Node #0,1,2: 92:[96, 90] Operation: 88+2=90 Moving to Node #0,0 Current State: 92:[88, 55, 39], Operations: ['96-57=39'] Exploring Operation: 55+39=94, Resulting Numbers: [88, 94] Generated Node #0,0,0: 92:[88, 94] Operation: 55+39=94 Exploring Operation: 55-39=16, Resulting Numbers: [88, 16] Generated Node #0,0,1: 92:[88, 16] Operation: 55-39=16 Exploring Operation: 88-39=49, Resulting Numbers: [55, 49] Generated Node #0,0,2: 92:[55, 49] Operation: 88-39=49 Moving to Node #0,2 Current State: 92:[88, 57, 41], Operations: ['96-55=41'] Exploring Operation: 88-41=47, Resulting Numbers: [57, 47] Generated Node #0,2,0: 92:[57, 47] Operation: 88-41=47 Exploring Operation: 57-41=16, Resulting Numbers: [88, 16] Generated Node #0,2,1: 92:[88, 16] Operation: 57-41=16 Exploring Operation: 57+41=98, Resulting Numbers: [88, 98] Generated Node #0,2,2: 92:[88, 98] Operation: 57+41=98 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[88, 98], Operations: ['96-55=41', '57+41=98'] Exploring Operation: 88+98=186, Resulting Numbers: [186] 186,92 unequal: No Solution Exploring Operation: 98-88=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 88*98=8624, Resulting Numbers: [8624] 8624,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[88, 16], Operations: ['96-55=41', '57-41=16'] Exploring Operation: 88*16=1408, Resulting Numbers: [1408] 1408,92 unequal: No Solution Exploring Operation: 88+16=104, Resulting Numbers: [104] 104,92 unequal: No Solution Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[57, 47], Operations: ['96-55=41', '88-41=47'] Exploring Operation: 57+47=104, Resulting Numbers: [104] 104,92 unequal: No Solution Exploring Operation: 57*47=2679, Resulting Numbers: [2679] 2679,92 unequal: No Solution Exploring Operation: 57-47=10, Resulting Numbers: [10] 10,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 92:[2, 8], Operations: ['57-55=2', '96-88=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[96, 90], Operations: ['57-55=2', '88+2=90'] Exploring Operation: 96+90=186, Resulting Numbers: [186] 186,92 unequal: No Solution Exploring Operation: 96*90=8640, Resulting Numbers: [8640] 8640,92 unequal: No Solution Exploring Operation: 96-90=6, Resulting Numbers: [6] 6,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[96, 44], Operations: ['57-55=2', '88/2=44'] Exploring Operation: 96-44=52, Resulting Numbers: [52] 52,92 unequal: No Solution Exploring Operation: 96+44=140, Resulting Numbers: [140] 140,92 unequal: No Solution Exploring Operation: 96*44=4224, Resulting Numbers: [4224] 4224,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[88, 94], Operations: ['96-57=39', '55+39=94'] Exploring Operation: 88*94=8272, Resulting Numbers: [8272] 8272,92 unequal: No Solution Exploring Operation: 94-88=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 88+94=182, Resulting Numbers: [182] 182,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[88, 16], Operations: ['96-57=39', '55-39=16'] Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,92 unequal: No Solution Exploring Operation: 88*16=1408, Resulting Numbers: [1408] 1408,92 unequal: No Solution Exploring Operation: 88+16=104, Resulting Numbers: [104] 104,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[55, 49], Operations: ['96-57=39', '88-39=49'] Exploring Operation: 55+49=104, Resulting Numbers: [104] 104,92 unequal: No Solution Exploring Operation: 55*49=2695, Resulting Numbers: [2695] 2695,92 unequal: No Solution Exploring Operation: 55-49=6, Resulting Numbers: [6] 6,92 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 4, 18, 26, 63 ]
65
[ "26-18=8", "8/4=2", "63+2=65" ]
Current State: 65:[4, 18, 26, 63], Operations: [] Exploring Operation: 26-18=8, Resulting Numbers: [4, 63, 8] Generated Node #2: [4, 63, 8] from Operation: 26-18=8 Current State: 65:[4, 63, 8], Operations: ['26-18=8'] Exploring Operation: 8/4=2, Resulting Numbers: [63, 2] Generated Node #3: [63, 2] from Operation: 8/4=2 Current State: 65:[63, 2], Operations: ['26-18=8', '8/4=2'] Exploring Operation: 63+2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[4, 18, 26, 63], Operations: [] Exploring Operation: 18-4=14, Resulting Numbers: [26, 63, 14] Generated Node #0,0: 65:[26, 63, 14] Operation: 18-4=14 Exploring Operation: 26-18=8, Resulting Numbers: [4, 63, 8] Generated Node #0,1: 65:[4, 63, 8] Operation: 26-18=8 Moving to Node #0,1 Current State: 65:[4, 63, 8], Operations: ['26-18=8'] Exploring Operation: 4+8=12, Resulting Numbers: [63, 12] Generated Node #0,1,0: 65:[63, 12] Operation: 4+8=12 Exploring Operation: 8-4=4, Resulting Numbers: [63, 4] Generated Node #0,1,1: 65:[63, 4] Operation: 8-4=4 Moving to Node #0,0 Current State: 65:[26, 63, 14], Operations: ['18-4=14'] Exploring Operation: 26+63=89, Resulting Numbers: [14, 89] Generated Node #0,0,0: 65:[14, 89] Operation: 26+63=89 Exploring Operation: 26-14=12, Resulting Numbers: [63, 12] Generated Node #0,0,1: 65:[63, 12] Operation: 26-14=12 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[63, 12], Operations: ['18-4=14', '26-14=12'] Exploring Operation: 63+12=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 63-12=51, Resulting Numbers: [51] 51,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[14, 89], Operations: ['18-4=14', '26+63=89'] Exploring Operation: 89-14=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 14+89=103, Resulting Numbers: [103] 103,65 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: 65:[63, 12], Operations: ['26-18=8', '4+8=12'] Exploring Operation: 63-12=51, Resulting Numbers: [51] 51,65 unequal: No Solution Exploring Operation: 63+12=75, Resulting Numbers: [75] 75,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[63, 4], Operations: ['26-18=8', '8-4=4'] Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 63+4=67, Resulting Numbers: [67] 67,65 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 39, 35, 27, 36 ]
59
[ "39-35=4", "27+36=63", "63-4=59" ]
Current State: 59:[39, 35, 27, 36], Operations: [] Exploring Operation: 39-35=4, Resulting Numbers: [27, 36, 4] Generated Node #2: [27, 36, 4] from Operation: 39-35=4 Current State: 59:[27, 36, 4], Operations: ['39-35=4'] Exploring Operation: 27+36=63, Resulting Numbers: [4, 63] Generated Node #3: [4, 63] from Operation: 27+36=63 Current State: 59:[4, 63], Operations: ['39-35=4', '27+36=63'] Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[39, 35, 27, 36], Operations: [] Exploring Operation: 35+27=62, Resulting Numbers: [39, 36, 62] Generated Node #0,0: 59:[39, 36, 62] Operation: 35+27=62 Exploring Operation: 27+36=63, Resulting Numbers: [39, 35, 63] Generated Node #0,1: 59:[39, 35, 63] Operation: 27+36=63 Moving to Node #0,0 Current State: 59:[39, 36, 62], Operations: ['35+27=62'] Exploring Operation: 62-36=26, Resulting Numbers: [39, 26] Generated Node #0,0,0: 59:[39, 26] Operation: 62-36=26 Exploring Operation: 39+36=75, Resulting Numbers: [62, 75] Generated Node #0,0,1: 59:[62, 75] Operation: 39+36=75 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 59:[62, 75], Operations: ['35+27=62', '39+36=75'] Exploring Operation: 75-62=13, Resulting Numbers: [13] 13,59 unequal: No Solution Exploring Operation: 62+75=137, Resulting Numbers: [137] 137,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[39, 26], Operations: ['35+27=62', '62-36=26'] Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,59 unequal: No Solution Exploring Operation: 39+26=65, Resulting Numbers: [65] 65,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 59:[39, 35, 63], Operations: ['27+36=63'] Exploring Operation: 39+35=74, Resulting Numbers: [63, 74] Generated Node #0,1,0: 59:[63, 74] Operation: 39+35=74 Exploring Operation: 63-35=28, Resulting Numbers: [39, 28] Generated Node #0,1,1: 59:[39, 28] Operation: 63-35=28 Moving to Node #0,1,0 Current State: 59:[63, 74], Operations: ['27+36=63', '39+35=74'] Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,59 unequal: No Solution Exploring Operation: 63+74=137, Resulting Numbers: [137] 137,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[39, 28], Operations: ['27+36=63', '63-35=28'] Exploring Operation: 39+28=67, Resulting Numbers: [67] 67,59 unequal: No Solution Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,59 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 72, 77, 82, 52 ]
15
[ "72+77=149", "82+52=134", "149-134=15" ]
Current State: 15:[72, 77, 82, 52], Operations: [] Exploring Operation: 72+77=149, Resulting Numbers: [82, 52, 149] Generated Node #2: [82, 52, 149] from Operation: 72+77=149 Current State: 15:[82, 52, 149], Operations: ['72+77=149'] Exploring Operation: 82+52=134, Resulting Numbers: [149, 134] Generated Node #3: [149, 134] from Operation: 82+52=134 Current State: 15:[149, 134], Operations: ['72+77=149', '82+52=134'] Exploring Operation: 149-134=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[72, 77, 82, 52], Operations: [] Exploring Operation: 82-77=5, Resulting Numbers: [72, 52, 5] Generated Node #0,0: 15:[72, 52, 5] Operation: 82-77=5 Exploring Operation: 82-72=10, Resulting Numbers: [77, 52, 10] Generated Node #0,1: 15:[77, 52, 10] Operation: 82-72=10 Exploring Operation: 77-72=5, Resulting Numbers: [82, 52, 5] Generated Node #0,2: 15:[82, 52, 5] Operation: 77-72=5 Exploring Operation: 77-52=25, Resulting Numbers: [72, 82, 25] Generated Node #0,3: 15:[72, 82, 25] Operation: 77-52=25 Exploring Operation: 72-52=20, Resulting Numbers: [77, 82, 20] Generated Node #0,4: 15:[77, 82, 20] Operation: 72-52=20 Moving to Node #0,0 Current State: 15:[72, 52, 5], Operations: ['82-77=5'] Exploring Operation: 52-5=47, Resulting Numbers: [72, 47] Generated Node #0,0,0: 15:[72, 47] Operation: 52-5=47 Exploring Operation: 72-5=67, Resulting Numbers: [52, 67] Generated Node #0,0,1: 15:[52, 67] Operation: 72-5=67 Exploring Operation: 72-52=20, Resulting Numbers: [5, 20] Generated Node #0,0,2: 15:[5, 20] Operation: 72-52=20 Exploring Operation: 72+5=77, Resulting Numbers: [52, 77] Generated Node #0,0,3: 15:[52, 77] Operation: 72+5=77 Exploring Operation: 52+5=57, Resulting Numbers: [72, 57] Generated Node #0,0,4: 15:[72, 57] Operation: 52+5=57 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 15:[5, 20], Operations: ['82-77=5', '72-52=20'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[72, 77, 82, 52], Operations: [] Exploring Operation: 82-77=5, Resulting Numbers: [72, 52, 5] Generated Node #0,0: 15:[72, 52, 5] Operation: 82-77=5 Moving to Node #0,0 Current State: 15:[72, 52, 5], Operations: ['82-77=5'] Exploring Operation: 72-52=20, Resulting Numbers: [5, 20] Generated Node #0,0,2: 15:[5, 20] Operation: 72-52=20 Moving to Node #0,0,2 Current State: 15:[5, 20], Operations: ['82-77=5', '72-52=20'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 45, 3, 13, 76 ]
82
[ "45+76=121", "3*13=39", "121-39=82" ]
Current State: 82:[45, 3, 13, 76], Operations: [] Exploring Operation: 45+76=121, Resulting Numbers: [3, 13, 121] Generated Node #2: [3, 13, 121] from Operation: 45+76=121 Current State: 82:[3, 13, 121], Operations: ['45+76=121'] Exploring Operation: 3*13=39, Resulting Numbers: [121, 39] Generated Node #3: [121, 39] from Operation: 3*13=39 Current State: 82:[121, 39], Operations: ['45+76=121', '3*13=39'] Exploring Operation: 121-39=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[45, 3, 13, 76], Operations: [] Exploring Operation: 45-3=42, Resulting Numbers: [13, 76, 42] Generated Node #0,0: 82:[13, 76, 42] Operation: 45-3=42 Exploring Operation: 3*13=39, Resulting Numbers: [45, 76, 39] Generated Node #0,1: 82:[45, 76, 39] Operation: 3*13=39 Exploring Operation: 13+76=89, Resulting Numbers: [45, 3, 89] Generated Node #0,2: 82:[45, 3, 89] Operation: 13+76=89 Exploring Operation: 45-13=32, Resulting Numbers: [3, 76, 32] Generated Node #0,3: 82:[3, 76, 32] Operation: 45-13=32 Exploring Operation: 13-3=10, Resulting Numbers: [45, 76, 10] Generated Node #0,4: 82:[45, 76, 10] Operation: 13-3=10 Moving to Node #0,1 Current State: 82:[45, 76, 39], Operations: ['3*13=39'] Exploring Operation: 76-45=31, Resulting Numbers: [39, 31] Generated Node #0,1,0: 82:[39, 31] Operation: 76-45=31 Exploring Operation: 76+39=115, Resulting Numbers: [45, 115] Generated Node #0,1,1: 82:[45, 115] Operation: 76+39=115 Exploring Operation: 45-39=6, Resulting Numbers: [76, 6] Generated Node #0,1,2: 82:[76, 6] Operation: 45-39=6 Exploring Operation: 76-39=37, Resulting Numbers: [45, 37] Generated Node #0,1,3: 82:[45, 37] Operation: 76-39=37 Exploring Operation: 45+39=84, Resulting Numbers: [76, 84] Generated Node #0,1,4: 82:[76, 84] Operation: 45+39=84 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 82:[45, 37], Operations: ['3*13=39', '76-39=37'] Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[45, 3, 13, 76], Operations: [] Exploring Operation: 3*13=39, Resulting Numbers: [45, 76, 39] Generated Node #0,1: 82:[45, 76, 39] Operation: 3*13=39 Moving to Node #0,1 Current State: 82:[45, 76, 39], Operations: ['3*13=39'] Exploring Operation: 76-39=37, Resulting Numbers: [45, 37] Generated Node #0,1,3: 82:[45, 37] Operation: 76-39=37 Moving to Node #0,1,3 Current State: 82:[45, 37], Operations: ['3*13=39', '76-39=37'] Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 1, 90, 82, 22 ]
30
[ "1*90=90", "82-22=60", "90-60=30" ]
Current State: 30:[1, 90, 82, 22], Operations: [] Exploring Operation: 1*90=90, Resulting Numbers: [82, 22, 90] Generated Node #2: [82, 22, 90] from Operation: 1*90=90 Current State: 30:[82, 22, 90], Operations: ['1*90=90'] Exploring Operation: 82-22=60, Resulting Numbers: [90, 60] Generated Node #3: [90, 60] from Operation: 82-22=60 Current State: 30:[90, 60], Operations: ['1*90=90', '82-22=60'] Exploring Operation: 90-60=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[1, 90, 82, 22], Operations: [] Exploring Operation: 90-82=8, Resulting Numbers: [1, 22, 8] Generated Node #0,0: 30:[1, 22, 8] Operation: 90-82=8 Exploring Operation: 90-22=68, Resulting Numbers: [1, 82, 68] Generated Node #0,1: 30:[1, 82, 68] Operation: 90-22=68 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[1, 22, 8], Operations: ['90-82=8'] Exploring Operation: 22-8=14, Resulting Numbers: [1, 14] Generated Node #0,0,0: 30:[1, 14] Operation: 22-8=14 Exploring Operation: 22+8=30, Resulting Numbers: [1, 30] Generated Node #0,0,1: 30:[1, 30] Operation: 22+8=30 Moving to Node #0,0,1 Current State: 30:[1, 30], Operations: ['90-82=8', '22+8=30'] Exploring Operation: 1*30=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[1, 90, 82, 22], Operations: [] Exploring Operation: 90-82=8, Resulting Numbers: [1, 22, 8] Generated Node #0,0: 30:[1, 22, 8] Operation: 90-82=8 Moving to Node #0,0 Current State: 30:[1, 22, 8], Operations: ['90-82=8'] Exploring Operation: 22+8=30, Resulting Numbers: [1, 30] Generated Node #0,0,1: 30:[1, 30] Operation: 22+8=30 Moving to Node #0,0,1 Current State: 30:[1, 30], Operations: ['90-82=8', '22+8=30'] Exploring Operation: 1*30=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 24, 85, 28, 6 ]
87
[ "24+85=109", "28-6=22", "109-22=87" ]
Current State: 87:[24, 85, 28, 6], Operations: [] Exploring Operation: 24+85=109, Resulting Numbers: [28, 6, 109] Generated Node #2: [28, 6, 109] from Operation: 24+85=109 Current State: 87:[28, 6, 109], Operations: ['24+85=109'] Exploring Operation: 28-6=22, Resulting Numbers: [109, 22] Generated Node #3: [109, 22] from Operation: 28-6=22 Current State: 87:[109, 22], Operations: ['24+85=109', '28-6=22'] Exploring Operation: 109-22=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[24, 85, 28, 6], Operations: [] Exploring Operation: 28-24=4, Resulting Numbers: [85, 6, 4] Generated Node #0,0: 87:[85, 6, 4] Operation: 28-24=4 Exploring Operation: 24+6=30, Resulting Numbers: [85, 28, 30] Generated Node #0,1: 87:[85, 28, 30] Operation: 24+6=30 Exploring Operation: 24/6=4, Resulting Numbers: [85, 28, 4] Generated Node #0,2: 87:[85, 28, 4] Operation: 24/6=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[85, 28, 30], Operations: ['24+6=30'] Exploring Operation: 30-28=2, Resulting Numbers: [85, 2] Generated Node #0,1,0: 87:[85, 2] Operation: 30-28=2 Exploring Operation: 85+28=113, Resulting Numbers: [30, 113] Generated Node #0,1,1: 87:[30, 113] Operation: 85+28=113 Exploring Operation: 85-30=55, Resulting Numbers: [28, 55] Generated Node #0,1,2: 87:[28, 55] Operation: 85-30=55 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[85, 2], Operations: ['24+6=30', '30-28=2'] Exploring Operation: 85*2=170, Resulting Numbers: [170] 170,87 unequal: No Solution Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[24, 85, 28, 6], Operations: [] Exploring Operation: 24+6=30, Resulting Numbers: [85, 28, 30] Generated Node #0,1: 87:[85, 28, 30] Operation: 24+6=30 Moving to Node #0,1 Current State: 87:[85, 28, 30], Operations: ['24+6=30'] Exploring Operation: 30-28=2, Resulting Numbers: [85, 2] Generated Node #0,1,0: 87:[85, 2] Operation: 30-28=2 Moving to Node #0,1,0 Current State: 87:[85, 2], Operations: ['24+6=30', '30-28=2'] Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 57, 94, 44, 65 ]
72
[ "94-57=37", "44+65=109", "109-37=72" ]
Current State: 72:[57, 94, 44, 65], Operations: [] Exploring Operation: 94-57=37, Resulting Numbers: [44, 65, 37] Generated Node #2: [44, 65, 37] from Operation: 94-57=37 Current State: 72:[44, 65, 37], Operations: ['94-57=37'] Exploring Operation: 44+65=109, Resulting Numbers: [37, 109] Generated Node #3: [37, 109] from Operation: 44+65=109 Current State: 72:[37, 109], Operations: ['94-57=37', '44+65=109'] Exploring Operation: 109-37=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[57, 94, 44, 65], Operations: [] Exploring Operation: 94-57=37, Resulting Numbers: [44, 65, 37] Generated Node #0,0: 72:[44, 65, 37] Operation: 94-57=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[44, 65, 37], Operations: ['94-57=37'] Exploring Operation: 65-44=21, Resulting Numbers: [37, 21] Generated Node #0,0,0: 72:[37, 21] Operation: 65-44=21 Moving to Node #0,0,0 Current State: 72:[37, 21], Operations: ['94-57=37', '65-44=21'] Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 66, 57, 69, 40 ]
59
[ "69-66=3", "57/3=19", "40+19=59" ]
Current State: 59:[66, 57, 69, 40], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [57, 40, 3] Generated Node #2: [57, 40, 3] from Operation: 69-66=3 Current State: 59:[57, 40, 3], Operations: ['69-66=3'] Exploring Operation: 57/3=19, Resulting Numbers: [40, 19] Generated Node #3: [40, 19] from Operation: 57/3=19 Current State: 59:[40, 19], Operations: ['69-66=3', '57/3=19'] Exploring Operation: 40+19=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[66, 57, 69, 40], Operations: [] Exploring Operation: 69-40=29, Resulting Numbers: [66, 57, 29] Generated Node #0,0: 59:[66, 57, 29] Operation: 69-40=29 Exploring Operation: 66-40=26, Resulting Numbers: [57, 69, 26] Generated Node #0,1: 59:[57, 69, 26] Operation: 66-40=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[66, 57, 29], Operations: ['69-40=29'] Exploring Operation: 66-29=37, Resulting Numbers: [57, 37] Generated Node #0,0,0: 59:[57, 37] Operation: 66-29=37 Exploring Operation: 57+29=86, Resulting Numbers: [66, 86] Generated Node #0,0,1: 59:[66, 86] Operation: 57+29=86 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[57, 37], Operations: ['69-40=29', '66-29=37'] Exploring Operation: 57-37=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 57+37=94, Resulting Numbers: [94] 94,59 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 #0,0,1 Current State: 59:[66, 86], Operations: ['69-40=29', '57+29=86'] Exploring Operation: 66+86=152, Resulting Numbers: [152] 152,59 unequal: No Solution Exploring Operation: 86-66=20, Resulting Numbers: [20] 20,59 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:[57, 69, 26], Operations: ['66-40=26'] Exploring Operation: 69-26=43, Resulting Numbers: [57, 43] Generated Node #0,1,0: 59:[57, 43] Operation: 69-26=43 Exploring Operation: 57+26=83, Resulting Numbers: [69, 83] Generated Node #0,1,1: 59:[69, 83] Operation: 57+26=83 Moving to Node #0,1,0 Current State: 59:[57, 43], Operations: ['66-40=26', '69-26=43'] Exploring Operation: 57+43=100, Resulting Numbers: [100] 100,59 unequal: No Solution Exploring Operation: 57-43=14, Resulting Numbers: [14] 14,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[69, 83], Operations: ['66-40=26', '57+26=83'] Exploring Operation: 69+83=152, Resulting Numbers: [152] 152,59 unequal: No Solution Exploring Operation: 83-69=14, Resulting Numbers: [14] 14,59 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
[ 63, 88, 54, 61 ]
97
[ "61-54=7", "63/7=9", "88+9=97" ]
Current State: 97:[63, 88, 54, 61], Operations: [] Exploring Operation: 61-54=7, Resulting Numbers: [63, 88, 7] Generated Node #2: [63, 88, 7] from Operation: 61-54=7 Current State: 97:[63, 88, 7], Operations: ['61-54=7'] Exploring Operation: 63/7=9, Resulting Numbers: [88, 9] Generated Node #3: [88, 9] from Operation: 63/7=9 Current State: 97:[88, 9], Operations: ['61-54=7', '63/7=9'] Exploring Operation: 88+9=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[63, 88, 54, 61], Operations: [] Exploring Operation: 63+54=117, Resulting Numbers: [88, 61, 117] Generated Node #0,0: 97:[88, 61, 117] Operation: 63+54=117 Exploring Operation: 88+61=149, Resulting Numbers: [63, 54, 149] Generated Node #0,1: 97:[63, 54, 149] Operation: 88+61=149 Exploring Operation: 54+61=115, Resulting Numbers: [63, 88, 115] Generated Node #0,2: 97:[63, 88, 115] Operation: 54+61=115 Exploring Operation: 88+54=142, Resulting Numbers: [63, 61, 142] Generated Node #0,3: 97:[63, 61, 142] Operation: 88+54=142 Exploring Operation: 63+61=124, Resulting Numbers: [88, 54, 124] Generated Node #0,4: 97:[88, 54, 124] Operation: 63+61=124 Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[63, 88, 115], Operations: ['54+61=115'] Exploring Operation: 115-63=52, Resulting Numbers: [88, 52] Generated Node #0,2,0: 97:[88, 52] Operation: 115-63=52 Exploring Operation: 88-63=25, Resulting Numbers: [115, 25] Generated Node #0,2,1: 97:[115, 25] Operation: 88-63=25 Exploring Operation: 63+88=151, Resulting Numbers: [115, 151] Generated Node #0,2,2: 97:[115, 151] Operation: 63+88=151 Exploring Operation: 63+115=178, Resulting Numbers: [88, 178] Generated Node #0,2,3: 97:[88, 178] Operation: 63+115=178 Exploring Operation: 115-88=27, Resulting Numbers: [63, 27] Generated Node #0,2,4: 97:[63, 27] Operation: 115-88=27 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 97:[88, 52], Operations: ['54+61=115', '115-63=52'] Exploring Operation: 88*52=4576, Resulting Numbers: [4576] 4576,97 unequal: No Solution Exploring Operation: 88-52=36, Resulting Numbers: [36] 36,97 unequal: No Solution Exploring Operation: 88+52=140, Resulting Numbers: [140] 140,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 97:[115, 151], Operations: ['54+61=115', '63+88=151'] Exploring Operation: 115+151=266, Resulting Numbers: [266] 266,97 unequal: No Solution Exploring Operation: 151-115=36, Resulting Numbers: [36] 36,97 unequal: No Solution Exploring Operation: 115*151=17365, Resulting Numbers: [17365] 17365,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 97:[115, 25], Operations: ['54+61=115', '88-63=25'] Exploring Operation: 115+25=140, Resulting Numbers: [140] 140,97 unequal: No Solution Exploring Operation: 115*25=2875, Resulting Numbers: [2875] 2875,97 unequal: No Solution Exploring Operation: 115-25=90, Resulting Numbers: [90] 90,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 97:[88, 178], Operations: ['54+61=115', '63+115=178'] Exploring Operation: 178-88=90, Resulting Numbers: [90] 90,97 unequal: No Solution Exploring Operation: 88*178=15664, Resulting Numbers: [15664] 15664,97 unequal: No Solution Exploring Operation: 88+178=266, Resulting Numbers: [266] 266,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 97:[63, 27], Operations: ['54+61=115', '115-88=27'] Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,97 unequal: No Solution Exploring Operation: 63+27=90, Resulting Numbers: [90] 90,97 unequal: No Solution Exploring Operation: 63*27=1701, Resulting Numbers: [1701] 1701,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[88, 61, 117], Operations: ['63+54=117'] Exploring Operation: 117-88=29, Resulting Numbers: [61, 29] Generated Node #0,0,0: 97:[61, 29] Operation: 117-88=29 Exploring Operation: 88-61=27, Resulting Numbers: [117, 27] Generated Node #0,0,1: 97:[117, 27] Operation: 88-61=27 Exploring Operation: 117-61=56, Resulting Numbers: [88, 56] Generated Node #0,0,2: 97:[88, 56] Operation: 117-61=56 Exploring Operation: 61+117=178, Resulting Numbers: [88, 178] Generated Node #0,0,3: 97:[88, 178] Operation: 61+117=178 Exploring Operation: 88+61=149, Resulting Numbers: [117, 149] Generated Node #0,0,4: 97:[117, 149] Operation: 88+61=149 Moving to Node #0,0,2 Current State: 97:[88, 56], Operations: ['63+54=117', '117-61=56'] Exploring Operation: 88+56=144, Resulting Numbers: [144] 144,97 unequal: No Solution Exploring Operation: 88-56=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 88*56=4928, Resulting Numbers: [4928] 4928,97 unequal: No Solution Moving to Node #0,0,4 Current State: 97:[117, 149], Operations: ['63+54=117', '88+61=149'] Exploring Operation: 149-117=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 117*149=17433, Resulting Numbers: [17433] 17433,97 unequal: No Solution Exploring Operation: 117+149=266, Resulting Numbers: [266] 266,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[117, 27], Operations: ['63+54=117', '88-61=27'] Exploring Operation: 117-27=90, Resulting Numbers: [90] 90,97 unequal: No Solution Exploring Operation: 117*27=3159, Resulting Numbers: [3159] 3159,97 unequal: No Solution Exploring Operation: 117+27=144, Resulting Numbers: [144] 144,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[88, 178], Operations: ['63+54=117', '61+117=178'] Exploring Operation: 88+178=266, Resulting Numbers: [266] 266,97 unequal: No Solution Exploring Operation: 178-88=90, Resulting Numbers: [90] 90,97 unequal: No Solution Exploring Operation: 88*178=15664, Resulting Numbers: [15664] 15664,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[61, 29], Operations: ['63+54=117', '117-88=29'] Exploring Operation: 61-29=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 61+29=90, Resulting Numbers: [90] 90,97 unequal: No Solution Exploring Operation: 61*29=1769, Resulting Numbers: [1769] 1769,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 97:[88, 54, 124], Operations: ['63+61=124'] Exploring Operation: 88-54=34, Resulting Numbers: [124, 34] Generated Node #0,4,0: 97:[124, 34] Operation: 88-54=34 Exploring Operation: 124-54=70, Resulting Numbers: [88, 70] Generated Node #0,4,1: 97:[88, 70] Operation: 124-54=70 Exploring Operation: 124-88=36, Resulting Numbers: [54, 36] Generated Node #0,4,2: 97:[54, 36] Operation: 124-88=36 Exploring Operation: 88+54=142, Resulting Numbers: [124, 142] Generated Node #0,4,3: 97:[124, 142] Operation: 88+54=142 Exploring Operation: 54+124=178, Resulting Numbers: [88, 178] Generated Node #0,4,4: 97:[88, 178] Operation: 54+124=178 Moving to Node #0,4,1 Current State: 97:[88, 70], Operations: ['63+61=124', '124-54=70'] Exploring Operation: 88-70=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 88+70=158, Resulting Numbers: [158] 158,97 unequal: No Solution Exploring Operation: 88*70=6160, Resulting Numbers: [6160] 6160,97 unequal: No Solution Moving to Node #0,4,3 Current State: 97:[124, 142], Operations: ['63+61=124', '88+54=142'] Exploring Operation: 124*142=17608, Resulting Numbers: [17608] 17608,97 unequal: No Solution Exploring Operation: 142-124=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 124+142=266, Resulting Numbers: [266] 266,97 unequal: No Solution Moving to Node #0,4,0 Current State: 97:[124, 34], Operations: ['63+61=124', '88-54=34'] Exploring Operation: 124*34=4216, Resulting Numbers: [4216] 4216,97 unequal: No Solution Exploring Operation: 124+34=158, Resulting Numbers: [158] 158,97 unequal: No Solution Exploring Operation: 124-34=90, Resulting Numbers: [90] 90,97 unequal: No Solution Moving to Node #0,4,4 Current State: 97:[88, 178], Operations: ['63+61=124', '54+124=178'] Exploring Operation: 88+178=266, Resulting Numbers: [266] 266,97 unequal: No Solution Exploring Operation: 178-88=90, Resulting Numbers: [90] 90,97 unequal: No Solution Exploring Operation: 88*178=15664, Resulting Numbers: [15664] 15664,97 unequal: No Solution Moving to Node #0,4,2 Current State: 97:[54, 36], Operations: ['63+61=124', '124-88=36'] Exploring Operation: 54*36=1944, Resulting Numbers: [1944] 1944,97 unequal: No Solution Exploring Operation: 54+36=90, Resulting Numbers: [90] 90,97 unequal: No Solution Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 97:[63, 61, 142], Operations: ['88+54=142'] Exploring Operation: 63+61=124, Resulting Numbers: [142, 124] Generated Node #0,3,0: 97:[142, 124] Operation: 63+61=124 Exploring Operation: 142-61=81, Resulting Numbers: [63, 81] Generated Node #0,3,1: 97:[63, 81] Operation: 142-61=81 Exploring Operation: 63-61=2, Resulting Numbers: [142, 2] Generated Node #0,3,2: 97:[142, 2] Operation: 63-61=2 Exploring Operation: 142-63=79, Resulting Numbers: [61, 79] Generated Node #0,3,3: 97:[61, 79] Operation: 142-63=79 Exploring Operation: 61+142=203, Resulting Numbers: [63, 203] Generated Node #0,3,4: 97:[63, 203] Operation: 61+142=203 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 97:[63, 81], Operations: ['88+54=142', '142-61=81'] Exploring Operation: 81-63=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 63+81=144, Resulting Numbers: [144] 144,97 unequal: No Solution Exploring Operation: 63*81=5103, Resulting Numbers: [5103] 5103,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 97:[61, 79], Operations: ['88+54=142', '142-63=79'] Exploring Operation: 61+79=140, Resulting Numbers: [140] 140,97 unequal: No Solution Exploring Operation: 61*79=4819, Resulting Numbers: [4819] 4819,97 unequal: No Solution Exploring Operation: 79-61=18, Resulting Numbers: [18] 18,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 97:[142, 124], Operations: ['88+54=142', '63+61=124'] Exploring Operation: 142-124=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 142+124=266, Resulting Numbers: [266] 266,97 unequal: No Solution Exploring Operation: 142*124=17608, Resulting Numbers: [17608] 17608,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 97:[142, 2], Operations: ['88+54=142', '63-61=2'] Exploring Operation: 142+2=144, Resulting Numbers: [144] 144,97 unequal: No Solution Exploring Operation: 142/2=71, Resulting Numbers: [71] 71,97 unequal: No Solution Exploring Operation: 142*2=284, Resulting Numbers: [284] 284,97 unequal: No Solution Exploring Operation: 142-2=140, Resulting Numbers: [140] 140,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 97:[63, 203], Operations: ['88+54=142', '61+142=203'] Exploring Operation: 203-63=140, Resulting Numbers: [140] 140,97 unequal: No Solution Exploring Operation: 63*203=12789, Resulting Numbers: [12789] 12789,97 unequal: No Solution Exploring Operation: 63+203=266, Resulting Numbers: [266] 266,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[63, 54, 149], Operations: ['88+61=149'] Exploring Operation: 54+149=203, Resulting Numbers: [63, 203] Generated Node #0,1,0: 97:[63, 203] Operation: 54+149=203 Exploring Operation: 149-54=95, Resulting Numbers: [63, 95] Generated Node #0,1,1: 97:[63, 95] Operation: 149-54=95 Exploring Operation: 63+54=117, Resulting Numbers: [149, 117] Generated Node #0,1,2: 97:[149, 117] Operation: 63+54=117 Exploring Operation: 63-54=9, Resulting Numbers: [149, 9] Generated Node #0,1,3: 97:[149, 9] Operation: 63-54=9 Exploring Operation: 149-63=86, Resulting Numbers: [54, 86] Generated Node #0,1,4: 97:[54, 86] Operation: 149-63=86 Moving to Node #0,1,1 Current State: 97:[63, 95], Operations: ['88+61=149', '149-54=95'] Exploring Operation: 63*95=5985, Resulting Numbers: [5985] 5985,97 unequal: No Solution Exploring Operation: 95-63=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 63+95=158, Resulting Numbers: [158] 158,97 unequal: No Solution Moving to Node #0,1,4 Current State: 97:[54, 86], Operations: ['88+61=149', '149-63=86'] Exploring Operation: 86-54=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 54*86=4644, Resulting Numbers: [4644] 4644,97 unequal: No Solution Exploring Operation: 54+86=140, Resulting Numbers: [140] 140,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[149, 117], Operations: ['88+61=149', '63+54=117'] Exploring Operation: 149-117=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 149*117=17433, Resulting Numbers: [17433] 17433,97 unequal: No Solution Exploring Operation: 149+117=266, Resulting Numbers: [266] 266,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[63, 203], Operations: ['88+61=149', '54+149=203'] Exploring Operation: 63*203=12789, Resulting Numbers: [12789] 12789,97 unequal: No Solution Exploring Operation: 203-63=140, Resulting Numbers: [140] 140,97 unequal: No Solution Exploring Operation: 63+203=266, Resulting Numbers: [266] 266,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[149, 9], Operations: ['88+61=149', '63-54=9'] Exploring Operation: 149*9=1341, Resulting Numbers: [1341] 1341,97 unequal: No Solution Exploring Operation: 149+9=158, Resulting Numbers: [158] 158,97 unequal: No Solution Exploring Operation: 149-9=140, Resulting Numbers: [140] 140,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 36, 58, 76, 79 ]
70
[ "79-76=3", "36/3=12", "58+12=70" ]
Current State: 70:[36, 58, 76, 79], Operations: [] Exploring Operation: 79-76=3, Resulting Numbers: [36, 58, 3] Generated Node #2: [36, 58, 3] from Operation: 79-76=3 Current State: 70:[36, 58, 3], Operations: ['79-76=3'] Exploring Operation: 36/3=12, Resulting Numbers: [58, 12] Generated Node #3: [58, 12] from Operation: 36/3=12 Current State: 70:[58, 12], Operations: ['79-76=3', '36/3=12'] Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[36, 58, 76, 79], Operations: [] Exploring Operation: 76-58=18, Resulting Numbers: [36, 79, 18] Generated Node #0,0: 70:[36, 79, 18] Operation: 76-58=18 Moving to Node #0,0 Current State: 70:[36, 79, 18], Operations: ['76-58=18'] Exploring Operation: 36/18=2, Resulting Numbers: [79, 2] Generated Node #0,0,0: 70:[79, 2] Operation: 36/18=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[79, 2], Operations: ['76-58=18', '36/18=2'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,70 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
[ 91, 38, 19, 61 ]
28
[ "91-61=30", "38/19=2", "30-2=28" ]
Current State: 28:[91, 38, 19, 61], Operations: [] Exploring Operation: 91-61=30, Resulting Numbers: [38, 19, 30] Generated Node #2: [38, 19, 30] from Operation: 91-61=30 Current State: 28:[38, 19, 30], Operations: ['91-61=30'] Exploring Operation: 38/19=2, Resulting Numbers: [30, 2] Generated Node #3: [30, 2] from Operation: 38/19=2 Current State: 28:[30, 2], Operations: ['91-61=30', '38/19=2'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[91, 38, 19, 61], Operations: [] Exploring Operation: 61-38=23, Resulting Numbers: [91, 19, 23] Generated Node #0,0: 28:[91, 19, 23] Operation: 61-38=23 Exploring Operation: 91-38=53, Resulting Numbers: [19, 61, 53] Generated Node #0,1: 28:[19, 61, 53] Operation: 91-38=53 Exploring Operation: 91-61=30, Resulting Numbers: [38, 19, 30] Generated Node #0,2: 28:[38, 19, 30] Operation: 91-61=30 Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[38, 19, 30], Operations: ['91-61=30'] Exploring Operation: 38-30=8, Resulting Numbers: [19, 8] Generated Node #0,2,0: 28:[19, 8] Operation: 38-30=8 Exploring Operation: 38/19=2, Resulting Numbers: [30, 2] Generated Node #0,2,1: 28:[30, 2] Operation: 38/19=2 Exploring Operation: 38-19=19, Resulting Numbers: [30, 19] Generated Node #0,2,2: 28:[30, 19] Operation: 38-19=19 Moving to Node #0,2,1 Current State: 28:[30, 2], Operations: ['91-61=30', '38/19=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[91, 38, 19, 61], Operations: [] Exploring Operation: 91-61=30, Resulting Numbers: [38, 19, 30] Generated Node #0,2: 28:[38, 19, 30] Operation: 91-61=30 Moving to Node #0,2 Current State: 28:[38, 19, 30], Operations: ['91-61=30'] Exploring Operation: 38/19=2, Resulting Numbers: [30, 2] Generated Node #0,2,1: 28:[30, 2] Operation: 38/19=2 Moving to Node #0,2,1 Current State: 28:[30, 2], Operations: ['91-61=30', '38/19=2'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 78, 39, 57, 69 ]
27
[ "78-39=39", "69-57=12", "39-12=27" ]
Current State: 27:[78, 39, 57, 69], Operations: [] Exploring Operation: 78-39=39, Resulting Numbers: [57, 69, 39] Generated Node #2: [57, 69, 39] from Operation: 78-39=39 Current State: 27:[57, 69, 39], Operations: ['78-39=39'] Exploring Operation: 69-57=12, Resulting Numbers: [39, 12] Generated Node #3: [39, 12] from Operation: 69-57=12 Current State: 27:[39, 12], Operations: ['78-39=39', '69-57=12'] Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[78, 39, 57, 69], Operations: [] Exploring Operation: 78-69=9, Resulting Numbers: [39, 57, 9] Generated Node #0,0: 27:[39, 57, 9] Operation: 78-69=9 Moving to Node #0,0 Current State: 27:[39, 57, 9], Operations: ['78-69=9'] Exploring Operation: 57-39=18, Resulting Numbers: [9, 18] Generated Node #0,0,0: 27:[9, 18] Operation: 57-39=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[9, 18], Operations: ['78-69=9', '57-39=18'] Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[78, 39, 57, 69], Operations: [] Exploring Operation: 78-69=9, Resulting Numbers: [39, 57, 9] Generated Node #0,0: 27:[39, 57, 9] Operation: 78-69=9 Moving to Node #0,0 Current State: 27:[39, 57, 9], Operations: ['78-69=9'] Exploring Operation: 57-39=18, Resulting Numbers: [9, 18] Generated Node #0,0,0: 27:[9, 18] Operation: 57-39=18 Moving to Node #0,0,0 Current State: 27:[9, 18], Operations: ['78-69=9', '57-39=18'] Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 80, 6, 94, 42 ]
18
[ "94-80=14", "6*42=252", "252/14=18" ]
Current State: 18:[80, 6, 94, 42], Operations: [] Exploring Operation: 94-80=14, Resulting Numbers: [6, 42, 14] Generated Node #2: [6, 42, 14] from Operation: 94-80=14 Current State: 18:[6, 42, 14], Operations: ['94-80=14'] Exploring Operation: 6*42=252, Resulting Numbers: [14, 252] Generated Node #3: [14, 252] from Operation: 6*42=252 Current State: 18:[14, 252], Operations: ['94-80=14', '6*42=252'] Exploring Operation: 252/14=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[80, 6, 94, 42], Operations: [] Exploring Operation: 94-80=14, Resulting Numbers: [6, 42, 14] Generated Node #0,0: 18:[6, 42, 14] Operation: 94-80=14 Exploring Operation: 94-42=52, Resulting Numbers: [80, 6, 52] Generated Node #0,1: 18:[80, 6, 52] Operation: 94-42=52 Exploring Operation: 80-42=38, Resulting Numbers: [6, 94, 38] Generated Node #0,2: 18:[6, 94, 38] Operation: 80-42=38 Moving to Node #0,0 Current State: 18:[6, 42, 14], Operations: ['94-80=14'] Exploring Operation: 42/6=7, Resulting Numbers: [14, 7] Generated Node #0,0,0: 18:[14, 7] Operation: 42/6=7 Exploring Operation: 42/14=3, Resulting Numbers: [6, 3] Generated Node #0,0,1: 18:[6, 3] Operation: 42/14=3 Exploring Operation: 42-14=28, Resulting Numbers: [6, 28] Generated Node #0,0,2: 18:[6, 28] Operation: 42-14=28 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[6, 3], Operations: ['94-80=14', '42/14=3'] Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[80, 6, 94, 42], Operations: [] Exploring Operation: 94-80=14, Resulting Numbers: [6, 42, 14] Generated Node #0,0: 18:[6, 42, 14] Operation: 94-80=14 Moving to Node #0,0 Current State: 18:[6, 42, 14], Operations: ['94-80=14'] Exploring Operation: 42/14=3, Resulting Numbers: [6, 3] Generated Node #0,0,1: 18:[6, 3] Operation: 42/14=3 Moving to Node #0,0,1 Current State: 18:[6, 3], Operations: ['94-80=14', '42/14=3'] Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 18, 82, 88, 39 ]
36
[ "88-82=6", "18/6=3", "39-3=36" ]
Current State: 36:[18, 82, 88, 39], Operations: [] Exploring Operation: 88-82=6, Resulting Numbers: [18, 39, 6] Generated Node #2: [18, 39, 6] from Operation: 88-82=6 Current State: 36:[18, 39, 6], Operations: ['88-82=6'] Exploring Operation: 18/6=3, Resulting Numbers: [39, 3] Generated Node #3: [39, 3] from Operation: 18/6=3 Current State: 36:[39, 3], Operations: ['88-82=6', '18/6=3'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[18, 82, 88, 39], Operations: [] Exploring Operation: 82-18=64, Resulting Numbers: [88, 39, 64] Generated Node #0,0: 36:[88, 39, 64] Operation: 82-18=64 Exploring Operation: 88-18=70, Resulting Numbers: [82, 39, 70] Generated Node #0,1: 36:[82, 39, 70] Operation: 88-18=70 Exploring Operation: 88-82=6, Resulting Numbers: [18, 39, 6] Generated Node #0,2: 36:[18, 39, 6] Operation: 88-82=6 Exploring Operation: 82-39=43, Resulting Numbers: [18, 88, 43] Generated Node #0,3: 36:[18, 88, 43] Operation: 82-39=43 Exploring Operation: 88-39=49, Resulting Numbers: [18, 82, 49] Generated Node #0,4: 36:[18, 82, 49] Operation: 88-39=49 Moving to Node #0,2 Current State: 36:[18, 39, 6], Operations: ['88-82=6'] Exploring Operation: 39-6=33, Resulting Numbers: [18, 33] Generated Node #0,2,0: 36:[18, 33] Operation: 39-6=33 Exploring Operation: 39-18=21, Resulting Numbers: [6, 21] Generated Node #0,2,1: 36:[6, 21] Operation: 39-18=21 Exploring Operation: 18/6=3, Resulting Numbers: [39, 3] Generated Node #0,2,2: 36:[39, 3] Operation: 18/6=3 Exploring Operation: 18-6=12, Resulting Numbers: [39, 12] Generated Node #0,2,3: 36:[39, 12] Operation: 18-6=12 Exploring Operation: 18+6=24, Resulting Numbers: [39, 24] Generated Node #0,2,4: 36:[39, 24] Operation: 18+6=24 Moving to Node #0,4 Current State: 36:[18, 82, 49], Operations: ['88-39=49'] Exploring Operation: 18+82=100, Resulting Numbers: [49, 100] Generated Node #0,4,0: 36:[49, 100] Operation: 18+82=100 Exploring Operation: 82-49=33, Resulting Numbers: [18, 33] Generated Node #0,4,1: 36:[18, 33] Operation: 82-49=33 Exploring Operation: 18+49=67, Resulting Numbers: [82, 67] Generated Node #0,4,2: 36:[82, 67] Operation: 18+49=67 Exploring Operation: 82-18=64, Resulting Numbers: [49, 64] Generated Node #0,4,3: 36:[49, 64] Operation: 82-18=64 Exploring Operation: 49-18=31, Resulting Numbers: [82, 31] Generated Node #0,4,4: 36:[82, 31] Operation: 49-18=31 Moving to Node #0,3 Current State: 36:[18, 88, 43], Operations: ['82-39=43'] Exploring Operation: 18+88=106, Resulting Numbers: [43, 106] Generated Node #0,3,0: 36:[43, 106] Operation: 18+88=106 Exploring Operation: 88-43=45, Resulting Numbers: [18, 45] Generated Node #0,3,1: 36:[18, 45] Operation: 88-43=45 Exploring Operation: 43-18=25, Resulting Numbers: [88, 25] Generated Node #0,3,2: 36:[88, 25] Operation: 43-18=25 Exploring Operation: 18+43=61, Resulting Numbers: [88, 61] Generated Node #0,3,3: 36:[88, 61] Operation: 18+43=61 Exploring Operation: 88-18=70, Resulting Numbers: [43, 70] Generated Node #0,3,4: 36:[43, 70] Operation: 88-18=70 Moving to Node #0,0 Current State: 36:[88, 39, 64], Operations: ['82-18=64'] Exploring Operation: 88+64=152, Resulting Numbers: [39, 152] Generated Node #0,0,0: 36:[39, 152] Operation: 88+64=152 Exploring Operation: 88-64=24, Resulting Numbers: [39, 24] Generated Node #0,0,1: 36:[39, 24] Operation: 88-64=24 Exploring Operation: 88-39=49, Resulting Numbers: [64, 49] Generated Node #0,0,2: 36:[64, 49] Operation: 88-39=49 Exploring Operation: 88+39=127, Resulting Numbers: [64, 127] Generated Node #0,0,3: 36:[64, 127] Operation: 88+39=127 Exploring Operation: 64-39=25, Resulting Numbers: [88, 25] Generated Node #0,0,4: 36:[88, 25] Operation: 64-39=25 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[39, 24], Operations: ['82-18=64', '88-64=24'] Exploring Operation: 39*24=936, Resulting Numbers: [936] 936,36 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 39+24=63, Resulting Numbers: [63] 63,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 36:[64, 49], Operations: ['82-18=64', '88-39=49'] Exploring Operation: 64+49=113, Resulting Numbers: [113] 113,36 unequal: No Solution Exploring Operation: 64-49=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 64*49=3136, Resulting Numbers: [3136] 3136,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 36:[88, 25], Operations: ['82-18=64', '64-39=25'] Exploring Operation: 88-25=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 88+25=113, Resulting Numbers: [113] 113,36 unequal: No Solution Exploring Operation: 88*25=2200, Resulting Numbers: [2200] 2200,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[39, 152], Operations: ['82-18=64', '88+64=152'] Exploring Operation: 39*152=5928, Resulting Numbers: [5928] 5928,36 unequal: No Solution Exploring Operation: 39+152=191, Resulting Numbers: [191] 191,36 unequal: No Solution Exploring Operation: 152-39=113, Resulting Numbers: [113] 113,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 36:[64, 127], Operations: ['82-18=64', '88+39=127'] Exploring Operation: 64*127=8128, Resulting Numbers: [8128] 8128,36 unequal: No Solution Exploring Operation: 64+127=191, Resulting Numbers: [191] 191,36 unequal: No Solution Exploring Operation: 127-64=63, Resulting Numbers: [63] 63,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 36:[82, 39, 70], Operations: ['88-18=70'] Exploring Operation: 82+70=152, Resulting Numbers: [39, 152] Generated Node #0,1,0: 36:[39, 152] Operation: 82+70=152 Exploring Operation: 82-70=12, Resulting Numbers: [39, 12] Generated Node #0,1,1: 36:[39, 12] Operation: 82-70=12 Exploring Operation: 82-39=43, Resulting Numbers: [70, 43] Generated Node #0,1,2: 36:[70, 43] Operation: 82-39=43 Exploring Operation: 70-39=31, Resulting Numbers: [82, 31] Generated Node #0,1,3: 36:[82, 31] Operation: 70-39=31 Exploring Operation: 82+39=121, Resulting Numbers: [70, 121] Generated Node #0,1,4: 36:[70, 121] Operation: 82+39=121 Moving to Node #0,2,0 Current State: 36:[18, 33], Operations: ['88-82=6', '39-6=33'] Exploring Operation: 18*33=594, Resulting Numbers: [594] 594,36 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,36 unequal: No Solution Moving to Node #0,2,2 Current State: 36:[39, 3], Operations: ['88-82=6', '18/6=3'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[18, 82, 88, 39], Operations: [] Exploring Operation: 88-82=6, Resulting Numbers: [18, 39, 6] Generated Node #0,2: 36:[18, 39, 6] Operation: 88-82=6 Moving to Node #0,2 Current State: 36:[18, 39, 6], Operations: ['88-82=6'] Exploring Operation: 18/6=3, Resulting Numbers: [39, 3] Generated Node #0,2,2: 36:[39, 3] Operation: 18/6=3 Moving to Node #0,2,2 Current State: 36:[39, 3], Operations: ['88-82=6', '18/6=3'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.953993
hs_5
mult_heuristic
[ 72, 41, 8, 8 ]
58
[ "72/8=9", "41+8=49", "9+49=58" ]
Current State: 58:[72, 41, 8, 8], Operations: [] Exploring Operation: 72/8=9, Resulting Numbers: [41, 9] Generated Node #2: [41, 9] from Operation: 72/8=9 Current State: 58:[41, 9], Operations: ['72/8=9'] Exploring Operation: 41+8=49, Resulting Numbers: [9, 49] Generated Node #3: [9, 49] from Operation: 41+8=49 Current State: 58:[9, 49], Operations: ['72/8=9', '41+8=49'] Exploring Operation: 9+49=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[72, 41, 8, 8], Operations: [] Exploring Operation: 72-41=31, Resulting Numbers: [8, 8, 31] Generated Node #0,0: 58:[8, 8, 31] Operation: 72-41=31 Exploring Operation: 72-8=64, Resulting Numbers: [41, 8, 64] Generated Node #0,1: 58:[41, 8, 64] Operation: 72-8=64 Moving to Node #0,0 Current State: 58:[8, 8, 31], Operations: ['72-41=31'] Exploring Operation: 8/8=1, Resulting Numbers: [31, 1] Generated Node #0,0,0: 58:[31, 1] Operation: 8/8=1 Exploring Operation: 8-8=0, Resulting Numbers: [31, 0] Generated Node #0,0,1: 58:[31, 0] Operation: 8-8=0 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[31, 1], Operations: ['72-41=31', '8/8=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,58 unequal: No Solution Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[31, 0], Operations: ['72-41=31', '8-8=0'] Exploring Operation: 31+0=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 31*0=0, Resulting Numbers: [0] 0,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 58:[41, 8, 64], Operations: ['72-8=64'] Exploring Operation: 64-41=23, Resulting Numbers: [8, 23] Generated Node #0,1,0: 58:[8, 23] Operation: 64-41=23 Exploring Operation: 41-8=33, Resulting Numbers: [64, 33] Generated Node #0,1,1: 58:[64, 33] Operation: 41-8=33 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[64, 33], Operations: ['72-8=64', '41-8=33'] Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,58 unequal: No Solution Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[8, 23], Operations: ['72-8=64', '64-41=23'] Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 50, 97, 98, 2 ]
24
[ "50/2=25", "98-97=1", "25-1=24" ]
Current State: 24:[50, 97, 98, 2], Operations: [] Exploring Operation: 50/2=25, Resulting Numbers: [97, 98, 25] Generated Node #2: [97, 98, 25] from Operation: 50/2=25 Current State: 24:[97, 98, 25], Operations: ['50/2=25'] Exploring Operation: 98-97=1, Resulting Numbers: [25, 1] Generated Node #3: [25, 1] from Operation: 98-97=1 Current State: 24:[25, 1], Operations: ['50/2=25', '98-97=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[50, 97, 98, 2], Operations: [] Exploring Operation: 98-97=1, Resulting Numbers: [50, 2, 1] Generated Node #0,0: 24:[50, 2, 1] Operation: 98-97=1 Exploring Operation: 98/2=49, Resulting Numbers: [50, 97, 49] Generated Node #0,1: 24:[50, 97, 49] Operation: 98/2=49 Exploring Operation: 98-50=48, Resulting Numbers: [97, 2, 48] Generated Node #0,2: 24:[97, 2, 48] Operation: 98-50=48 Exploring Operation: 97-50=47, Resulting Numbers: [98, 2, 47] Generated Node #0,3: 24:[98, 2, 47] Operation: 97-50=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[50, 2, 1], Operations: ['98-97=1'] Exploring Operation: 50-1=49, Resulting Numbers: [2, 49] Generated Node #0,0,0: 24:[2, 49] Operation: 50-1=49 Exploring Operation: 50/2=25, Resulting Numbers: [1, 25] Generated Node #0,0,1: 24:[1, 25] Operation: 50/2=25 Exploring Operation: 50*1=50, Resulting Numbers: [2, 50] Generated Node #0,0,2: 24:[2, 50] Operation: 50*1=50 Exploring Operation: 50-2=48, Resulting Numbers: [1, 48] Generated Node #0,0,3: 24:[1, 48] Operation: 50-2=48 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 24:[1, 25], Operations: ['98-97=1', '50/2=25'] Exploring Operation: 1+25=26, Resulting Numbers: [26] 26,24 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[50, 97, 98, 2], Operations: [] Exploring Operation: 98-97=1, Resulting Numbers: [50, 2, 1] Generated Node #0,0: 24:[50, 2, 1] Operation: 98-97=1 Moving to Node #0,0 Current State: 24:[50, 2, 1], Operations: ['98-97=1'] Exploring Operation: 50/2=25, Resulting Numbers: [1, 25] Generated Node #0,0,1: 24:[1, 25] Operation: 50/2=25 Moving to Node #0,0,1 Current State: 24:[1, 25], Operations: ['98-97=1', '50/2=25'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 48, 95, 44, 24 ]
27
[ "95-48=47", "44-24=20", "47-20=27" ]
Current State: 27:[48, 95, 44, 24], Operations: [] Exploring Operation: 95-48=47, Resulting Numbers: [44, 24, 47] Generated Node #2: [44, 24, 47] from Operation: 95-48=47 Current State: 27:[44, 24, 47], Operations: ['95-48=47'] Exploring Operation: 44-24=20, Resulting Numbers: [47, 20] Generated Node #3: [47, 20] from Operation: 44-24=20 Current State: 27:[47, 20], Operations: ['95-48=47', '44-24=20'] Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[48, 95, 44, 24], Operations: [] Exploring Operation: 48-44=4, Resulting Numbers: [95, 24, 4] Generated Node #0,0: 27:[95, 24, 4] Operation: 48-44=4 Exploring Operation: 95-48=47, Resulting Numbers: [44, 24, 47] Generated Node #0,1: 27:[44, 24, 47] Operation: 95-48=47 Exploring Operation: 95-44=51, Resulting Numbers: [48, 24, 51] Generated Node #0,2: 27:[48, 24, 51] Operation: 95-44=51 Moving to Node #0,1 Current State: 27:[44, 24, 47], Operations: ['95-48=47'] Exploring Operation: 47-24=23, Resulting Numbers: [44, 23] Generated Node #0,1,0: 27:[44, 23] Operation: 47-24=23 Exploring Operation: 47-44=3, Resulting Numbers: [24, 3] Generated Node #0,1,1: 27:[24, 3] Operation: 47-44=3 Exploring Operation: 44-24=20, Resulting Numbers: [47, 20] Generated Node #0,1,2: 27:[47, 20] Operation: 44-24=20 Moving to Node #0,2 Current State: 27:[48, 24, 51], Operations: ['95-44=51'] Exploring Operation: 48/24=2, Resulting Numbers: [51, 2] Generated Node #0,2,0: 27:[51, 2] Operation: 48/24=2 Exploring Operation: 51-48=3, Resulting Numbers: [24, 3] Generated Node #0,2,1: 27:[24, 3] Operation: 51-48=3 Exploring Operation: 51-24=27, Resulting Numbers: [48, 27] Generated Node #0,2,2: 27:[48, 27] Operation: 51-24=27 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 27:[24, 3], Operations: ['95-44=51', '51-48=3'] Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[48, 95, 44, 24], Operations: [] Exploring Operation: 95-44=51, Resulting Numbers: [48, 24, 51] Generated Node #0,2: 27:[48, 24, 51] Operation: 95-44=51 Moving to Node #0,2 Current State: 27:[48, 24, 51], Operations: ['95-44=51'] Exploring Operation: 51-48=3, Resulting Numbers: [24, 3] Generated Node #0,2,1: 27:[24, 3] Operation: 51-48=3 Moving to Node #0,2,1 Current State: 27:[24, 3], Operations: ['95-44=51', '51-48=3'] Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 71, 59, 1, 30 ]
19
[ "71-59=12", "1+30=31", "31-12=19" ]
Current State: 19:[71, 59, 1, 30], Operations: [] Exploring Operation: 71-59=12, Resulting Numbers: [1, 30, 12] Generated Node #2: [1, 30, 12] from Operation: 71-59=12 Current State: 19:[1, 30, 12], Operations: ['71-59=12'] Exploring Operation: 1+30=31, Resulting Numbers: [12, 31] Generated Node #3: [12, 31] from Operation: 1+30=31 Current State: 19:[12, 31], Operations: ['71-59=12', '1+30=31'] Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[71, 59, 1, 30], Operations: [] Exploring Operation: 71-59=12, Resulting Numbers: [1, 30, 12] Generated Node #0,0: 19:[1, 30, 12] Operation: 71-59=12 Moving to Node #0,0 Current State: 19:[1, 30, 12], Operations: ['71-59=12'] Exploring Operation: 30-1=29, Resulting Numbers: [12, 29] Generated Node #0,0,0: 19:[12, 29] Operation: 30-1=29 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[12, 29], Operations: ['71-59=12', '30-1=29'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 92, 98, 12, 89 ]
94
[ "92-89=3", "12/3=4", "98-4=94" ]
Current State: 94:[92, 98, 12, 89], Operations: [] Exploring Operation: 92-89=3, Resulting Numbers: [98, 12, 3] Generated Node #2: [98, 12, 3] from Operation: 92-89=3 Current State: 94:[98, 12, 3], Operations: ['92-89=3'] Exploring Operation: 12/3=4, Resulting Numbers: [98, 4] Generated Node #3: [98, 4] from Operation: 12/3=4 Current State: 94:[98, 4], Operations: ['92-89=3', '12/3=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[92, 98, 12, 89], Operations: [] Exploring Operation: 92-89=3, Resulting Numbers: [98, 12, 3] Generated Node #0,0: 94:[98, 12, 3] Operation: 92-89=3 Exploring Operation: 12+89=101, Resulting Numbers: [92, 98, 101] Generated Node #0,1: 94:[92, 98, 101] Operation: 12+89=101 Moving to Node #0,1 Current State: 94:[92, 98, 101], Operations: ['12+89=101'] Exploring Operation: 101-98=3, Resulting Numbers: [92, 3] Generated Node #0,1,0: 94:[92, 3] Operation: 101-98=3 Exploring Operation: 98-92=6, Resulting Numbers: [101, 6] Generated Node #0,1,1: 94:[101, 6] Operation: 98-92=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[92, 3], Operations: ['12+89=101', '101-98=3'] Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,94 unequal: No Solution Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,94 unequal: No Solution No 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: 94:[101, 6], Operations: ['12+89=101', '98-92=6'] Exploring Operation: 101-6=95, Resulting Numbers: [95] 95,94 unequal: No Solution Exploring Operation: 101+6=107, Resulting Numbers: [107] 107,94 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: 94:[98, 12, 3], Operations: ['92-89=3'] Exploring Operation: 12/3=4, Resulting Numbers: [98, 4] Generated Node #0,0,0: 94:[98, 4] Operation: 12/3=4 Exploring Operation: 98-12=86, Resulting Numbers: [3, 86] Generated Node #0,0,1: 94:[3, 86] Operation: 98-12=86 Moving to Node #0,0,0 Current State: 94:[98, 4], Operations: ['92-89=3', '12/3=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[92, 98, 12, 89], Operations: [] Exploring Operation: 92-89=3, Resulting Numbers: [98, 12, 3] Generated Node #0,0: 94:[98, 12, 3] Operation: 92-89=3 Moving to Node #0,0 Current State: 94:[98, 12, 3], Operations: ['92-89=3'] Exploring Operation: 12/3=4, Resulting Numbers: [98, 4] Generated Node #0,0,0: 94:[98, 4] Operation: 12/3=4 Moving to Node #0,0,0 Current State: 94:[98, 4], Operations: ['92-89=3', '12/3=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 98, 36, 34, 78 ]
18
[ "98-36=62", "78-34=44", "62-44=18" ]
Current State: 18:[98, 36, 34, 78], Operations: [] Exploring Operation: 98-36=62, Resulting Numbers: [34, 78, 62] Generated Node #2: [34, 78, 62] from Operation: 98-36=62 Current State: 18:[34, 78, 62], Operations: ['98-36=62'] Exploring Operation: 78-34=44, Resulting Numbers: [62, 44] Generated Node #3: [62, 44] from Operation: 78-34=44 Current State: 18:[62, 44], Operations: ['98-36=62', '78-34=44'] Exploring Operation: 62-44=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[98, 36, 34, 78], Operations: [] Exploring Operation: 98-78=20, Resulting Numbers: [36, 34, 20] Generated Node #0,0: 18:[36, 34, 20] Operation: 98-78=20 Moving to Node #0,0 Current State: 18:[36, 34, 20], Operations: ['98-78=20'] Exploring Operation: 36-34=2, Resulting Numbers: [20, 2] Generated Node #0,0,0: 18:[20, 2] Operation: 36-34=2 Moving to Node #0,0,0 Current State: 18:[20, 2], Operations: ['98-78=20', '36-34=2'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[98, 36, 34, 78], Operations: [] Exploring Operation: 98-78=20, Resulting Numbers: [36, 34, 20] Generated Node #0,0: 18:[36, 34, 20] Operation: 98-78=20 Moving to Node #0,0 Current State: 18:[36, 34, 20], Operations: ['98-78=20'] Exploring Operation: 36-34=2, Resulting Numbers: [20, 2] Generated Node #0,0,0: 18:[20, 2] Operation: 36-34=2 Moving to Node #0,0,0 Current State: 18:[20, 2], Operations: ['98-78=20', '36-34=2'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 4, 1, 6, 79 ]
79
[ "4+1=5", "6-5=1", "79*1=79" ]
Current State: 79:[4, 1, 6, 79], Operations: [] Exploring Operation: 4+1=5, Resulting Numbers: [6, 79, 5] Generated Node #2: [6, 79, 5] from Operation: 4+1=5 Current State: 79:[6, 79, 5], Operations: ['4+1=5'] Exploring Operation: 6-5=1, Resulting Numbers: [79, 1] Generated Node #3: [79, 1] from Operation: 6-5=1 Current State: 79:[79, 1], Operations: ['4+1=5', '6-5=1'] Exploring Operation: 79*1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[4, 1, 6, 79], Operations: [] Exploring Operation: 4+6=10, Resulting Numbers: [1, 79, 10] Generated Node #0,0: 79:[1, 79, 10] Operation: 4+6=10 Exploring Operation: 4*6=24, Resulting Numbers: [1, 79, 24] Generated Node #0,1: 79:[1, 79, 24] Operation: 4*6=24 Exploring Operation: 4+1=5, Resulting Numbers: [6, 79, 5] Generated Node #0,2: 79:[6, 79, 5] Operation: 4+1=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[1, 79, 24], Operations: ['4*6=24'] Exploring Operation: 1+24=25, Resulting Numbers: [79, 25] Generated Node #0,1,0: 79:[79, 25] Operation: 1+24=25 Exploring Operation: 79/1=79, Resulting Numbers: [24, 79] Generated Node #0,1,1: 79:[24, 79] Operation: 79/1=79 Exploring Operation: 1*79=79, Resulting Numbers: [24, 79] Generated Node #0,1,2: 79:[24, 79] Operation: 1*79=79 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[79, 25], Operations: ['4*6=24', '1+24=25'] Exploring Operation: 79-25=54, Resulting Numbers: [54] 54,79 unequal: No Solution Exploring Operation: 79+25=104, Resulting Numbers: [104] 104,79 unequal: No Solution Exploring Operation: 79*25=1975, Resulting Numbers: [1975] 1975,79 unequal: No Solution No 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: 79:[24, 79], Operations: ['4*6=24', '79/1=79'] Exploring Operation: 24+79=103, Resulting Numbers: [103] 103,79 unequal: No Solution Exploring Operation: 79-24=55, Resulting Numbers: [55] 55,79 unequal: No Solution Exploring Operation: 24*79=1896, Resulting Numbers: [1896] 1896,79 unequal: No Solution No 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: 79:[24, 79], Operations: ['4*6=24', '1*79=79'] Exploring Operation: 24+79=103, Resulting Numbers: [103] 103,79 unequal: No Solution Exploring Operation: 79-24=55, Resulting Numbers: [55] 55,79 unequal: No Solution Exploring Operation: 24*79=1896, Resulting Numbers: [1896] 1896,79 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: 79:[1, 79, 10], Operations: ['4+6=10'] Exploring Operation: 1*79=79, Resulting Numbers: [10, 79] Generated Node #0,0,0: 79:[10, 79] Operation: 1*79=79 Exploring Operation: 79/1=79, Resulting Numbers: [10, 79] Generated Node #0,0,1: 79:[10, 79] Operation: 79/1=79 Exploring Operation: 1+10=11, Resulting Numbers: [79, 11] Generated Node #0,0,2: 79:[79, 11] Operation: 1+10=11 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 79:[79, 11], Operations: ['4+6=10', '1+10=11'] Exploring Operation: 79*11=869, Resulting Numbers: [869] 869,79 unequal: No Solution Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,79 unequal: No Solution Exploring Operation: 79+11=90, Resulting Numbers: [90] 90,79 unequal: No Solution No 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: 79:[10, 79], Operations: ['4+6=10', '1*79=79'] Exploring Operation: 10+79=89, Resulting Numbers: [89] 89,79 unequal: No Solution Exploring Operation: 79-10=69, Resulting Numbers: [69] 69,79 unequal: No Solution Exploring Operation: 10*79=790, Resulting Numbers: [790] 790,79 unequal: No Solution No 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: 79:[10, 79], Operations: ['4+6=10', '79/1=79'] Exploring Operation: 10+79=89, Resulting Numbers: [89] 89,79 unequal: No Solution Exploring Operation: 10*79=790, Resulting Numbers: [790] 790,79 unequal: No Solution Exploring Operation: 79-10=69, Resulting Numbers: [69] 69,79 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: 79:[6, 79, 5], Operations: ['4+1=5'] Exploring Operation: 6-5=1, Resulting Numbers: [79, 1] Generated Node #0,2,0: 79:[79, 1] Operation: 6-5=1 Exploring Operation: 6+5=11, Resulting Numbers: [79, 11] Generated Node #0,2,1: 79:[79, 11] Operation: 6+5=11 Exploring Operation: 6*5=30, Resulting Numbers: [79, 30] Generated Node #0,2,2: 79:[79, 30] Operation: 6*5=30 Moving to Node #0,2,2 Current State: 79:[79, 30], Operations: ['4+1=5', '6*5=30'] Exploring Operation: 79*30=2370, Resulting Numbers: [2370] 2370,79 unequal: No Solution Exploring Operation: 79+30=109, Resulting Numbers: [109] 109,79 unequal: No Solution Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[79, 11], Operations: ['4+1=5', '6+5=11'] Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,79 unequal: No Solution Exploring Operation: 79*11=869, Resulting Numbers: [869] 869,79 unequal: No Solution Exploring Operation: 79+11=90, Resulting Numbers: [90] 90,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[79, 1], Operations: ['4+1=5', '6-5=1'] Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[4, 1, 6, 79], Operations: [] Exploring Operation: 4+1=5, Resulting Numbers: [6, 79, 5] Generated Node #0,2: 79:[6, 79, 5] Operation: 4+1=5 Moving to Node #0,2 Current State: 79:[6, 79, 5], Operations: ['4+1=5'] Exploring Operation: 6-5=1, Resulting Numbers: [79, 1] Generated Node #0,2,0: 79:[79, 1] Operation: 6-5=1 Moving to Node #0,2,0 Current State: 79:[79, 1], Operations: ['4+1=5', '6-5=1'] Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_3
sum_heuristic
[ 96, 6, 18, 22 ]
71
[ "96-22=74", "18/6=3", "74-3=71" ]
Current State: 71:[96, 6, 18, 22], Operations: [] Exploring Operation: 96-22=74, Resulting Numbers: [6, 18, 74] Generated Node #2: [6, 18, 74] from Operation: 96-22=74 Current State: 71:[6, 18, 74], Operations: ['96-22=74'] Exploring Operation: 18/6=3, Resulting Numbers: [74, 3] Generated Node #3: [74, 3] from Operation: 18/6=3 Current State: 71:[74, 3], Operations: ['96-22=74', '18/6=3'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[96, 6, 18, 22], Operations: [] Exploring Operation: 96-18=78, Resulting Numbers: [6, 22, 78] Generated Node #0,0: 71:[6, 22, 78] Operation: 96-18=78 Exploring Operation: 6*18=108, Resulting Numbers: [96, 22, 108] Generated Node #0,1: 71:[96, 22, 108] Operation: 6*18=108 Exploring Operation: 96-6=90, Resulting Numbers: [18, 22, 90] Generated Node #0,2: 71:[18, 22, 90] Operation: 96-6=90 Moving to Node #0,1 Current State: 71:[96, 22, 108], Operations: ['6*18=108'] Exploring Operation: 96+22=118, Resulting Numbers: [108, 118] Generated Node #0,1,0: 71:[108, 118] Operation: 96+22=118 Exploring Operation: 108-22=86, Resulting Numbers: [96, 86] Generated Node #0,1,1: 71:[96, 86] Operation: 108-22=86 Exploring Operation: 96-22=74, Resulting Numbers: [108, 74] Generated Node #0,1,2: 71:[108, 74] Operation: 96-22=74 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[96, 86], Operations: ['6*18=108', '108-22=86'] Exploring Operation: 96-86=10, Resulting Numbers: [10] 10,71 unequal: No Solution Exploring Operation: 96+86=182, Resulting Numbers: [182] 182,71 unequal: No Solution Exploring Operation: 96*86=8256, Resulting Numbers: [8256] 8256,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[108, 74], Operations: ['6*18=108', '96-22=74'] Exploring Operation: 108-74=34, Resulting Numbers: [34] 34,71 unequal: No Solution Exploring Operation: 108*74=7992, Resulting Numbers: [7992] 7992,71 unequal: No Solution Exploring Operation: 108+74=182, Resulting Numbers: [182] 182,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[108, 118], Operations: ['6*18=108', '96+22=118'] Exploring Operation: 108+118=226, Resulting Numbers: [226] 226,71 unequal: No Solution Exploring Operation: 108*118=12744, Resulting Numbers: [12744] 12744,71 unequal: No Solution Exploring Operation: 118-108=10, Resulting Numbers: [10] 10,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 71:[6, 22, 78], Operations: ['96-18=78'] Exploring Operation: 6+22=28, Resulting Numbers: [78, 28] Generated Node #0,0,0: 71:[78, 28] Operation: 6+22=28 Exploring Operation: 22-6=16, Resulting Numbers: [78, 16] Generated Node #0,0,1: 71:[78, 16] Operation: 22-6=16 Exploring Operation: 78-6=72, Resulting Numbers: [22, 72] Generated Node #0,0,2: 71:[22, 72] Operation: 78-6=72 Moving to Node #0,2 Current State: 71:[18, 22, 90], Operations: ['96-6=90'] Exploring Operation: 90-18=72, Resulting Numbers: [22, 72] Generated Node #0,2,0: 71:[22, 72] Operation: 90-18=72 Exploring Operation: 90-22=68, Resulting Numbers: [18, 68] Generated Node #0,2,1: 71:[18, 68] Operation: 90-22=68 Exploring Operation: 18+22=40, Resulting Numbers: [90, 40] Generated Node #0,2,2: 71:[90, 40] Operation: 18+22=40 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 71:[22, 72], Operations: ['96-6=90', '90-18=72'] Exploring Operation: 22+72=94, Resulting Numbers: [94] 94,71 unequal: No Solution Exploring Operation: 22*72=1584, Resulting Numbers: [1584] 1584,71 unequal: No Solution Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 71:[90, 40], Operations: ['96-6=90', '18+22=40'] Exploring Operation: 90-40=50, Resulting Numbers: [50] 50,71 unequal: No Solution Exploring Operation: 90+40=130, Resulting Numbers: [130] 130,71 unequal: No Solution Exploring Operation: 90*40=3600, Resulting Numbers: [3600] 3600,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 71:[18, 68], Operations: ['96-6=90', '90-22=68'] Exploring Operation: 18*68=1224, Resulting Numbers: [1224] 1224,71 unequal: No Solution Exploring Operation: 18+68=86, Resulting Numbers: [86] 86,71 unequal: No Solution Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,71 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: 71:[78, 28], Operations: ['96-18=78', '6+22=28'] Exploring Operation: 78+28=106, Resulting Numbers: [106] 106,71 unequal: No Solution Exploring Operation: 78*28=2184, Resulting Numbers: [2184] 2184,71 unequal: No Solution Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[22, 72], Operations: ['96-18=78', '78-6=72'] Exploring Operation: 22*72=1584, Resulting Numbers: [1584] 1584,71 unequal: No Solution Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,71 unequal: No Solution Exploring Operation: 22+72=94, Resulting Numbers: [94] 94,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[78, 16], Operations: ['96-18=78', '22-6=16'] Exploring Operation: 78*16=1248, Resulting Numbers: [1248] 1248,71 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,71 unequal: No Solution Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,71 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 34, 31, 16, 70 ]
83
[ "34-31=3", "16+70=86", "86-3=83" ]
Current State: 83:[34, 31, 16, 70], Operations: [] Exploring Operation: 34-31=3, Resulting Numbers: [16, 70, 3] Generated Node #2: [16, 70, 3] from Operation: 34-31=3 Current State: 83:[16, 70, 3], Operations: ['34-31=3'] Exploring Operation: 16+70=86, Resulting Numbers: [3, 86] Generated Node #3: [3, 86] from Operation: 16+70=86 Current State: 83:[3, 86], Operations: ['34-31=3', '16+70=86'] Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[34, 31, 16, 70], Operations: [] Exploring Operation: 34+31=65, Resulting Numbers: [16, 70, 65] Generated Node #0,0: 83:[16, 70, 65] Operation: 34+31=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[16, 70, 65], Operations: ['34+31=65'] Exploring Operation: 16+65=81, Resulting Numbers: [70, 81] Generated Node #0,0,0: 83:[70, 81] Operation: 16+65=81 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[70, 81], Operations: ['34+31=65', '16+65=81'] Exploring Operation: 70+81=151, Resulting Numbers: [151] 151,83 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
sum_heuristic
[ 89, 8, 98, 74 ]
92
[ "98-74=24", "24/8=3", "89+3=92" ]
Current State: 92:[89, 8, 98, 74], Operations: [] Exploring Operation: 98-74=24, Resulting Numbers: [89, 8, 24] Generated Node #2: [89, 8, 24] from Operation: 98-74=24 Current State: 92:[89, 8, 24], Operations: ['98-74=24'] Exploring Operation: 24/8=3, Resulting Numbers: [89, 3] Generated Node #3: [89, 3] from Operation: 24/8=3 Current State: 92:[89, 3], Operations: ['98-74=24', '24/8=3'] Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[89, 8, 98, 74], Operations: [] Exploring Operation: 89-74=15, Resulting Numbers: [8, 98, 15] Generated Node #0,0: 92:[8, 98, 15] Operation: 89-74=15 Exploring Operation: 8+74=82, Resulting Numbers: [89, 98, 82] Generated Node #0,1: 92:[89, 98, 82] Operation: 8+74=82 Exploring Operation: 98-74=24, Resulting Numbers: [89, 8, 24] Generated Node #0,2: 92:[89, 8, 24] Operation: 98-74=24 Exploring Operation: 98-8=90, Resulting Numbers: [89, 74, 90] Generated Node #0,3: 92:[89, 74, 90] Operation: 98-8=90 Exploring Operation: 98-89=9, Resulting Numbers: [8, 74, 9] Generated Node #0,4: 92:[8, 74, 9] Operation: 98-89=9 Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[89, 8, 24], Operations: ['98-74=24'] Exploring Operation: 89+8=97, Resulting Numbers: [24, 97] Generated Node #0,2,0: 92:[24, 97] Operation: 89+8=97 Exploring Operation: 24-8=16, Resulting Numbers: [89, 16] Generated Node #0,2,1: 92:[89, 16] Operation: 24-8=16 Exploring Operation: 89-8=81, Resulting Numbers: [24, 81] Generated Node #0,2,2: 92:[24, 81] Operation: 89-8=81 Exploring Operation: 24/8=3, Resulting Numbers: [89, 3] Generated Node #0,2,3: 92:[89, 3] Operation: 24/8=3 Exploring Operation: 8+24=32, Resulting Numbers: [89, 32] Generated Node #0,2,4: 92:[89, 32] Operation: 8+24=32 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 92:[89, 3], Operations: ['98-74=24', '24/8=3'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,92 unequal: No Solution Exploring Operation: 89*3=267, Resulting Numbers: [267] 267,92 unequal: No Solution Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[89, 8, 98, 74], Operations: [] Exploring Operation: 98-74=24, Resulting Numbers: [89, 8, 24] Generated Node #0,2: 92:[89, 8, 24] Operation: 98-74=24 Moving to Node #0,2 Current State: 92:[89, 8, 24], Operations: ['98-74=24'] Exploring Operation: 24/8=3, Resulting Numbers: [89, 3] Generated Node #0,2,3: 92:[89, 3] Operation: 24/8=3 Moving to Node #0,2,3 Current State: 92:[89, 3], Operations: ['98-74=24', '24/8=3'] Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 77, 46, 32, 56 ]
90
[ "77*32=2464", "2464/56=44", "46+44=90" ]
Current State: 90:[77, 46, 32, 56], Operations: [] Exploring Operation: 77*32=2464, Resulting Numbers: [46, 56, 2464] Generated Node #2: [46, 56, 2464] from Operation: 77*32=2464 Current State: 90:[46, 56, 2464], Operations: ['77*32=2464'] Exploring Operation: 2464/56=44, Resulting Numbers: [46, 44] Generated Node #3: [46, 44] from Operation: 2464/56=44 Current State: 90:[46, 44], Operations: ['77*32=2464', '2464/56=44'] Exploring Operation: 46+44=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[77, 46, 32, 56], Operations: [] Exploring Operation: 77-32=45, Resulting Numbers: [46, 56, 45] Generated Node #0,0: 90:[46, 56, 45] Operation: 77-32=45 Exploring Operation: 77-56=21, Resulting Numbers: [46, 32, 21] Generated Node #0,1: 90:[46, 32, 21] Operation: 77-56=21 Moving to Node #0,1 Current State: 90:[46, 32, 21], Operations: ['77-56=21'] Exploring Operation: 46-32=14, Resulting Numbers: [21, 14] Generated Node #0,1,0: 90:[21, 14] Operation: 46-32=14 Exploring Operation: 32-21=11, Resulting Numbers: [46, 11] Generated Node #0,1,1: 90:[46, 11] Operation: 32-21=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[46, 11], Operations: ['77-56=21', '32-21=11'] Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 46+11=57, Resulting Numbers: [57] 57,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[21, 14], Operations: ['77-56=21', '46-32=14'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,90 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: 90:[46, 56, 45], Operations: ['77-32=45'] Exploring Operation: 56-45=11, Resulting Numbers: [46, 11] Generated Node #0,0,0: 90:[46, 11] Operation: 56-45=11 Exploring Operation: 56-46=10, Resulting Numbers: [45, 10] Generated Node #0,0,1: 90:[45, 10] Operation: 56-46=10 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 90:[45, 10], Operations: ['77-32=45', '56-46=10'] Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,90 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[46, 11], Operations: ['77-32=45', '56-45=11'] Exploring Operation: 46+11=57, Resulting Numbers: [57] 57,90 unequal: No Solution Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 14, 32, 25, 99 ]
92
[ "32-14=18", "99-25=74", "18+74=92" ]
Current State: 92:[14, 32, 25, 99], Operations: [] Exploring Operation: 32-14=18, Resulting Numbers: [25, 99, 18] Generated Node #2: [25, 99, 18] from Operation: 32-14=18 Current State: 92:[25, 99, 18], Operations: ['32-14=18'] Exploring Operation: 99-25=74, Resulting Numbers: [18, 74] Generated Node #3: [18, 74] from Operation: 99-25=74 Current State: 92:[18, 74], Operations: ['32-14=18', '99-25=74'] Exploring Operation: 18+74=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[14, 32, 25, 99], Operations: [] Exploring Operation: 32-14=18, Resulting Numbers: [25, 99, 18] Generated Node #0,0: 92:[25, 99, 18] Operation: 32-14=18 Exploring Operation: 14+32=46, Resulting Numbers: [25, 99, 46] Generated Node #0,1: 92:[25, 99, 46] Operation: 14+32=46 Exploring Operation: 99-14=85, Resulting Numbers: [32, 25, 85] Generated Node #0,2: 92:[32, 25, 85] Operation: 99-14=85 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[25, 99, 46], Operations: ['14+32=46'] Exploring Operation: 99-25=74, Resulting Numbers: [46, 74] Generated Node #0,1,0: 92:[46, 74] Operation: 99-25=74 Exploring Operation: 46-25=21, Resulting Numbers: [99, 21] Generated Node #0,1,1: 92:[99, 21] Operation: 46-25=21 Exploring Operation: 99-46=53, Resulting Numbers: [25, 53] Generated Node #0,1,2: 92:[25, 53] Operation: 99-46=53 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 92:[99, 21], Operations: ['14+32=46', '46-25=21'] Exploring Operation: 99+21=120, Resulting Numbers: [120] 120,92 unequal: No Solution Exploring Operation: 99*21=2079, Resulting Numbers: [2079] 2079,92 unequal: No Solution Exploring Operation: 99-21=78, Resulting Numbers: [78] 78,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 92:[25, 53], Operations: ['14+32=46', '99-46=53'] Exploring Operation: 25*53=1325, Resulting Numbers: [1325] 1325,92 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 25+53=78, Resulting Numbers: [78] 78,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[46, 74], Operations: ['14+32=46', '99-25=74'] Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 46+74=120, Resulting Numbers: [120] 120,92 unequal: No Solution Exploring Operation: 46*74=3404, Resulting Numbers: [3404] 3404,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[25, 99, 18], Operations: ['32-14=18'] Exploring Operation: 99-18=81, Resulting Numbers: [25, 81] Generated Node #0,0,0: 92:[25, 81] Operation: 99-18=81 Exploring Operation: 25-18=7, Resulting Numbers: [99, 7] Generated Node #0,0,1: 92:[99, 7] Operation: 25-18=7 Exploring Operation: 25+18=43, Resulting Numbers: [99, 43] Generated Node #0,0,2: 92:[99, 43] Operation: 25+18=43 Moving to Node #0,0,1 Current State: 92:[99, 7], Operations: ['32-14=18', '25-18=7'] Exploring Operation: 99*7=693, Resulting Numbers: [693] 693,92 unequal: No Solution Exploring Operation: 99+7=106, Resulting Numbers: [106] 106,92 unequal: No Solution Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[14, 32, 25, 99], Operations: [] Exploring Operation: 32-14=18, Resulting Numbers: [25, 99, 18] Generated Node #0,0: 92:[25, 99, 18] Operation: 32-14=18 Moving to Node #0,0 Current State: 92:[25, 99, 18], Operations: ['32-14=18'] Exploring Operation: 25-18=7, Resulting Numbers: [99, 7] Generated Node #0,0,1: 92:[99, 7] Operation: 25-18=7 Moving to Node #0,0,1 Current State: 92:[99, 7], Operations: ['32-14=18', '25-18=7'] Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 64, 74, 82, 5 ]
97
[ "74-64=10", "82+5=87", "10+87=97" ]
Current State: 97:[64, 74, 82, 5], Operations: [] Exploring Operation: 74-64=10, Resulting Numbers: [82, 5, 10] Generated Node #2: [82, 5, 10] from Operation: 74-64=10 Current State: 97:[82, 5, 10], Operations: ['74-64=10'] Exploring Operation: 82+5=87, Resulting Numbers: [10, 87] Generated Node #3: [10, 87] from Operation: 82+5=87 Current State: 97:[10, 87], Operations: ['74-64=10', '82+5=87'] Exploring Operation: 10+87=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[64, 74, 82, 5], Operations: [] Exploring Operation: 64+5=69, Resulting Numbers: [74, 82, 69] Generated Node #0,0: 97:[74, 82, 69] Operation: 64+5=69 Exploring Operation: 64-5=59, Resulting Numbers: [74, 82, 59] Generated Node #0,1: 97:[74, 82, 59] Operation: 64-5=59 Exploring Operation: 74+5=79, Resulting Numbers: [64, 82, 79] Generated Node #0,2: 97:[64, 82, 79] Operation: 74+5=79 Exploring Operation: 82+5=87, Resulting Numbers: [64, 74, 87] Generated Node #0,3: 97:[64, 74, 87] Operation: 82+5=87 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[74, 82, 69], Operations: ['64+5=69'] Exploring Operation: 74+82=156, Resulting Numbers: [69, 156] Generated Node #0,0,0: 97:[69, 156] Operation: 74+82=156 Exploring Operation: 74+69=143, Resulting Numbers: [82, 143] Generated Node #0,0,1: 97:[82, 143] Operation: 74+69=143 Exploring Operation: 74-69=5, Resulting Numbers: [82, 5] Generated Node #0,0,2: 97:[82, 5] Operation: 74-69=5 Exploring Operation: 82+69=151, Resulting Numbers: [74, 151] Generated Node #0,0,3: 97:[74, 151] Operation: 82+69=151 Moving to Node #0,0,1 Current State: 97:[82, 143], Operations: ['64+5=69', '74+69=143'] Exploring Operation: 143-82=61, Resulting Numbers: [61] 61,97 unequal: No Solution Exploring Operation: 82*143=11726, Resulting Numbers: [11726] 11726,97 unequal: No Solution Exploring Operation: 82+143=225, Resulting Numbers: [225] 225,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[74, 151], Operations: ['64+5=69', '82+69=151'] Exploring Operation: 74+151=225, Resulting Numbers: [225] 225,97 unequal: No Solution Exploring Operation: 74*151=11174, Resulting Numbers: [11174] 11174,97 unequal: No Solution Exploring Operation: 151-74=77, Resulting Numbers: [77] 77,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[69, 156], Operations: ['64+5=69', '74+82=156'] Exploring Operation: 156-69=87, Resulting Numbers: [87] 87,97 unequal: No Solution Exploring Operation: 69+156=225, Resulting Numbers: [225] 225,97 unequal: No Solution Exploring Operation: 69*156=10764, Resulting Numbers: [10764] 10764,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[82, 5], Operations: ['64+5=69', '74-69=5'] Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,97 unequal: No Solution Exploring Operation: 82*5=410, Resulting Numbers: [410] 410,97 unequal: No Solution Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[64, 82, 79], Operations: ['74+5=79'] Exploring Operation: 64+82=146, Resulting Numbers: [79, 146] Generated Node #0,2,0: 97:[79, 146] Operation: 64+82=146 Exploring Operation: 79-64=15, Resulting Numbers: [82, 15] Generated Node #0,2,1: 97:[82, 15] Operation: 79-64=15 Exploring Operation: 64+79=143, Resulting Numbers: [82, 143] Generated Node #0,2,2: 97:[82, 143] Operation: 64+79=143 Exploring Operation: 82-64=18, Resulting Numbers: [79, 18] Generated Node #0,2,3: 97:[79, 18] Operation: 82-64=18 Moving to Node #0,2,2 Current State: 97:[82, 143], Operations: ['74+5=79', '64+79=143'] Exploring Operation: 143-82=61, Resulting Numbers: [61] 61,97 unequal: No Solution Exploring Operation: 82+143=225, Resulting Numbers: [225] 225,97 unequal: No Solution Exploring Operation: 82*143=11726, Resulting Numbers: [11726] 11726,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[79, 146], Operations: ['74+5=79', '64+82=146'] Exploring Operation: 79*146=11534, Resulting Numbers: [11534] 11534,97 unequal: No Solution Exploring Operation: 146-79=67, Resulting Numbers: [67] 67,97 unequal: No Solution Exploring Operation: 79+146=225, Resulting Numbers: [225] 225,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[79, 18], Operations: ['74+5=79', '82-64=18'] Exploring Operation: 79*18=1422, Resulting Numbers: [1422] 1422,97 unequal: No Solution Exploring Operation: 79+18=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[64, 74, 82, 5], Operations: [] Exploring Operation: 74+5=79, Resulting Numbers: [64, 82, 79] Generated Node #0,2: 97:[64, 82, 79] Operation: 74+5=79 Moving to Node #0,2 Current State: 97:[64, 82, 79], Operations: ['74+5=79'] Exploring Operation: 82-64=18, Resulting Numbers: [79, 18] Generated Node #0,2,3: 97:[79, 18] Operation: 82-64=18 Moving to Node #0,2,3 Current State: 97:[79, 18], Operations: ['74+5=79', '82-64=18'] Exploring Operation: 79+18=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
sum_heuristic
[ 54, 84, 32, 80 ]
14
[ "54+32=86", "86-80=6", "84/6=14" ]
Current State: 14:[54, 84, 32, 80], Operations: [] Exploring Operation: 54+32=86, Resulting Numbers: [84, 80, 86] Generated Node #2: [84, 80, 86] from Operation: 54+32=86 Current State: 14:[84, 80, 86], Operations: ['54+32=86'] Exploring Operation: 86-80=6, Resulting Numbers: [84, 6] Generated Node #3: [84, 6] from Operation: 86-80=6 Current State: 14:[84, 6], Operations: ['54+32=86', '86-80=6'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[54, 84, 32, 80], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [54, 32, 4] Generated Node #0,0: 14:[54, 32, 4] Operation: 84-80=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[54, 32, 4], Operations: ['84-80=4'] Exploring Operation: 54-32=22, Resulting Numbers: [4, 22] Generated Node #0,0,0: 14:[4, 22] Operation: 54-32=22 Moving to Node #0,0,0 Current State: 14:[4, 22], Operations: ['84-80=4', '54-32=22'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 68, 22, 93, 34 ]
31
[ "68+22=90", "93-34=59", "90-59=31" ]
Current State: 31:[68, 22, 93, 34], Operations: [] Exploring Operation: 68+22=90, Resulting Numbers: [93, 34, 90] Generated Node #2: [93, 34, 90] from Operation: 68+22=90 Current State: 31:[93, 34, 90], Operations: ['68+22=90'] Exploring Operation: 93-34=59, Resulting Numbers: [90, 59] Generated Node #3: [90, 59] from Operation: 93-34=59 Current State: 31:[90, 59], Operations: ['68+22=90', '93-34=59'] Exploring Operation: 90-59=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[68, 22, 93, 34], Operations: [] Exploring Operation: 93-68=25, Resulting Numbers: [22, 34, 25] Generated Node #0,0: 31:[22, 34, 25] Operation: 93-68=25 Exploring Operation: 93-34=59, Resulting Numbers: [68, 22, 59] Generated Node #0,1: 31:[68, 22, 59] Operation: 93-34=59 Exploring Operation: 68-34=34, Resulting Numbers: [22, 93, 34] Generated Node #0,2: 31:[22, 93, 34] Operation: 68-34=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[22, 34, 25], Operations: ['93-68=25'] Exploring Operation: 22+34=56, Resulting Numbers: [25, 56] Generated Node #0,0,0: 31:[25, 56] Operation: 22+34=56 Exploring Operation: 34-22=12, Resulting Numbers: [25, 12] Generated Node #0,0,1: 31:[25, 12] Operation: 34-22=12 Exploring Operation: 22+25=47, Resulting Numbers: [34, 47] Generated Node #0,0,2: 31:[34, 47] Operation: 22+25=47 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 31:[34, 47], Operations: ['93-68=25', '22+25=47'] Exploring Operation: 34*47=1598, Resulting Numbers: [1598] 1598,31 unequal: No Solution Exploring Operation: 47-34=13, Resulting Numbers: [13] 13,31 unequal: No Solution Exploring Operation: 34+47=81, Resulting Numbers: [81] 81,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 31:[25, 12], Operations: ['93-68=25', '34-22=12'] Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,31 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,31 unequal: No Solution Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[25, 56], Operations: ['93-68=25', '22+34=56'] Exploring Operation: 25*56=1400, Resulting Numbers: [1400] 1400,31 unequal: No Solution Exploring Operation: 25+56=81, Resulting Numbers: [81] 81,31 unequal: No Solution Exploring Operation: 56-25=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[68, 22, 93, 34], Operations: [] Exploring Operation: 93-68=25, Resulting Numbers: [22, 34, 25] Generated Node #0,0: 31:[22, 34, 25] Operation: 93-68=25 Moving to Node #0,0 Current State: 31:[22, 34, 25], Operations: ['93-68=25'] Exploring Operation: 22+34=56, Resulting Numbers: [25, 56] Generated Node #0,0,0: 31:[25, 56] Operation: 22+34=56 Moving to Node #0,0,0 Current State: 31:[25, 56], Operations: ['93-68=25', '22+34=56'] Exploring Operation: 56-25=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 74, 10, 52, 78 ]
58
[ "74+10=84", "78-52=26", "84-26=58" ]
Current State: 58:[74, 10, 52, 78], Operations: [] Exploring Operation: 74+10=84, Resulting Numbers: [52, 78, 84] Generated Node #2: [52, 78, 84] from Operation: 74+10=84 Current State: 58:[52, 78, 84], Operations: ['74+10=84'] Exploring Operation: 78-52=26, Resulting Numbers: [84, 26] Generated Node #3: [84, 26] from Operation: 78-52=26 Current State: 58:[84, 26], Operations: ['74+10=84', '78-52=26'] Exploring Operation: 84-26=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[74, 10, 52, 78], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [10, 52, 4] Generated Node #0,0: 58:[10, 52, 4] Operation: 78-74=4 Exploring Operation: 78-52=26, Resulting Numbers: [74, 10, 26] Generated Node #0,1: 58:[74, 10, 26] Operation: 78-52=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[10, 52, 4], Operations: ['78-74=4'] Exploring Operation: 10+52=62, Resulting Numbers: [4, 62] Generated Node #0,0,0: 58:[4, 62] Operation: 10+52=62 Exploring Operation: 10-4=6, Resulting Numbers: [52, 6] Generated Node #0,0,1: 58:[52, 6] Operation: 10-4=6 Moving to Node #0,0,0 Current State: 58:[4, 62], Operations: ['78-74=4', '10+52=62'] Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[74, 10, 52, 78], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [10, 52, 4] Generated Node #0,0: 58:[10, 52, 4] Operation: 78-74=4 Moving to Node #0,0 Current State: 58:[10, 52, 4], Operations: ['78-74=4'] Exploring Operation: 10+52=62, Resulting Numbers: [4, 62] Generated Node #0,0,0: 58:[4, 62] Operation: 10+52=62 Moving to Node #0,0,0 Current State: 58:[4, 62], Operations: ['78-74=4', '10+52=62'] Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 53, 72, 68, 19 ]
74
[ "53-19=34", "68/34=2", "72+2=74" ]
Current State: 74:[53, 72, 68, 19], Operations: [] Exploring Operation: 53-19=34, Resulting Numbers: [72, 68, 34] Generated Node #2: [72, 68, 34] from Operation: 53-19=34 Current State: 74:[72, 68, 34], Operations: ['53-19=34'] Exploring Operation: 68/34=2, Resulting Numbers: [72, 2] Generated Node #3: [72, 2] from Operation: 68/34=2 Current State: 74:[72, 2], Operations: ['53-19=34', '68/34=2'] Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[53, 72, 68, 19], Operations: [] Exploring Operation: 53-19=34, Resulting Numbers: [72, 68, 34] Generated Node #0,0: 74:[72, 68, 34] Operation: 53-19=34 Exploring Operation: 53+19=72, Resulting Numbers: [72, 68, 72] Generated Node #0,1: 74:[72, 68, 72] Operation: 53+19=72 Moving to Node #0,1 Current State: 74:[72, 68, 72], Operations: ['53+19=72'] Exploring Operation: 72-68=4, Resulting Numbers: [72, 4] Generated Node #0,1,0: 74:[72, 4] Operation: 72-68=4 Exploring Operation: 72-68=4, Resulting Numbers: [72, 4] Generated Node #0,1,1: 74:[72, 4] Operation: 72-68=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[72, 4], Operations: ['53+19=72', '72-68=4'] Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,74 unequal: No Solution Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[72, 4], Operations: ['53+19=72', '72-68=4'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,74 unequal: No Solution Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 74:[72, 68, 34], Operations: ['53-19=34'] Exploring Operation: 72-68=4, Resulting Numbers: [34, 4] Generated Node #0,0,0: 74:[34, 4] Operation: 72-68=4 Exploring Operation: 68/34=2, Resulting Numbers: [72, 2] Generated Node #0,0,1: 74:[72, 2] Operation: 68/34=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[72, 2], Operations: ['53-19=34', '68/34=2'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[53, 72, 68, 19], Operations: [] Exploring Operation: 53-19=34, Resulting Numbers: [72, 68, 34] Generated Node #0,0: 74:[72, 68, 34] Operation: 53-19=34 Moving to Node #0,0 Current State: 74:[72, 68, 34], Operations: ['53-19=34'] Exploring Operation: 68/34=2, Resulting Numbers: [72, 2] Generated Node #0,0,1: 74:[72, 2] Operation: 68/34=2 Moving to Node #0,0,1 Current State: 74:[72, 2], Operations: ['53-19=34', '68/34=2'] Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 83, 18, 40, 11 ]
72
[ "83+18=101", "40-11=29", "101-29=72" ]
Current State: 72:[83, 18, 40, 11], Operations: [] Exploring Operation: 83+18=101, Resulting Numbers: [40, 11, 101] Generated Node #2: [40, 11, 101] from Operation: 83+18=101 Current State: 72:[40, 11, 101], Operations: ['83+18=101'] Exploring Operation: 40-11=29, Resulting Numbers: [101, 29] Generated Node #3: [101, 29] from Operation: 40-11=29 Current State: 72:[101, 29], Operations: ['83+18=101', '40-11=29'] Exploring Operation: 101-29=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[83, 18, 40, 11], Operations: [] Exploring Operation: 40-18=22, Resulting Numbers: [83, 11, 22] Generated Node #0,0: 72:[83, 11, 22] Operation: 40-18=22 Exploring Operation: 83-40=43, Resulting Numbers: [18, 11, 43] Generated Node #0,1: 72:[18, 11, 43] Operation: 83-40=43 Exploring Operation: 83-11=72, Resulting Numbers: [18, 40, 72] Generated Node #0,2: 72:[18, 40, 72] Operation: 83-11=72 Exploring Operation: 83-18=65, Resulting Numbers: [40, 11, 65] Generated Node #0,3: 72:[40, 11, 65] Operation: 83-18=65 Moving to Node #0,2 Current State: 72:[18, 40, 72], Operations: ['83-11=72'] Exploring Operation: 72/18=4, Resulting Numbers: [40, 4] Generated Node #0,2,0: 72:[40, 4] Operation: 72/18=4 Exploring Operation: 40-18=22, Resulting Numbers: [72, 22] Generated Node #0,2,1: 72:[72, 22] Operation: 40-18=22 Exploring Operation: 18+40=58, Resulting Numbers: [72, 58] Generated Node #0,2,2: 72:[72, 58] Operation: 18+40=58 Exploring Operation: 72-40=32, Resulting Numbers: [18, 32] Generated Node #0,2,3: 72:[18, 32] Operation: 72-40=32 Moving to Node #0,1 Current State: 72:[18, 11, 43], Operations: ['83-40=43'] Exploring Operation: 18-11=7, Resulting Numbers: [43, 7] Generated Node #0,1,0: 72:[43, 7] Operation: 18-11=7 Exploring Operation: 18+11=29, Resulting Numbers: [43, 29] Generated Node #0,1,1: 72:[43, 29] Operation: 18+11=29 Exploring Operation: 43-11=32, Resulting Numbers: [18, 32] Generated Node #0,1,2: 72:[18, 32] Operation: 43-11=32 Exploring Operation: 43-18=25, Resulting Numbers: [11, 25] Generated Node #0,1,3: 72:[11, 25] Operation: 43-18=25 Moving to Node #0,3 Current State: 72:[40, 11, 65], Operations: ['83-18=65'] Exploring Operation: 40-11=29, Resulting Numbers: [65, 29] Generated Node #0,3,0: 72:[65, 29] Operation: 40-11=29 Exploring Operation: 65-40=25, Resulting Numbers: [11, 25] Generated Node #0,3,1: 72:[11, 25] Operation: 65-40=25 Exploring Operation: 40+11=51, Resulting Numbers: [65, 51] Generated Node #0,3,2: 72:[65, 51] Operation: 40+11=51 Exploring Operation: 11+65=76, Resulting Numbers: [40, 76] Generated Node #0,3,3: 72:[40, 76] Operation: 11+65=76 Moving to Node #0,0 Current State: 72:[83, 11, 22], Operations: ['40-18=22'] Exploring Operation: 83-22=61, Resulting Numbers: [11, 61] Generated Node #0,0,0: 72:[11, 61] Operation: 83-22=61 Exploring Operation: 83-11=72, Resulting Numbers: [22, 72] Generated Node #0,0,1: 72:[22, 72] Operation: 83-11=72 Exploring Operation: 22-11=11, Resulting Numbers: [83, 11] Generated Node #0,0,2: 72:[83, 11] Operation: 22-11=11 Exploring Operation: 22/11=2, Resulting Numbers: [83, 2] Generated Node #0,0,3: 72:[83, 2] Operation: 22/11=2 Moving to Node #0,2,1 Current State: 72:[72, 22], Operations: ['83-11=72', '40-18=22'] Exploring Operation: 72*22=1584, Resulting Numbers: [1584] 1584,72 unequal: No Solution Exploring Operation: 72+22=94, Resulting Numbers: [94] 94,72 unequal: No Solution Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[22, 72], Operations: ['40-18=22', '83-11=72'] Exploring Operation: 22*72=1584, Resulting Numbers: [1584] 1584,72 unequal: No Solution Exploring Operation: 22+72=94, Resulting Numbers: [94] 94,72 unequal: No Solution Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,72 unequal: No Solution Moving to Node #0,1,3 Current State: 72:[11, 25], Operations: ['83-40=43', '43-18=25'] Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,72 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,72 unequal: No Solution Moving to Node #0,3,1 Current State: 72:[11, 25], Operations: ['83-18=65', '65-40=25'] Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,72 unequal: No Solution Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,72 unequal: No Solution Moving to Node #0,2,3 Current State: 72:[18, 32], Operations: ['83-11=72', '72-40=32'] Exploring Operation: 18*32=576, Resulting Numbers: [576] 576,72 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,72 unequal: No Solution Exploring Operation: 18+32=50, Resulting Numbers: [50] 50,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[18, 32], Operations: ['83-40=43', '43-11=32'] Exploring Operation: 18*32=576, Resulting Numbers: [576] 576,72 unequal: No Solution Exploring Operation: 18+32=50, Resulting Numbers: [50] 50,72 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,72 unequal: No Solution Moving to Node #0,2,0 Current State: 72:[40, 4], Operations: ['83-11=72', '72/18=4'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,72 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[43, 7], Operations: ['83-40=43', '18-11=7'] Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 43*7=301, Resulting Numbers: [301] 301,72 unequal: No Solution Exploring Operation: 43+7=50, Resulting Numbers: [50] 50,72 unequal: No Solution Moving to Node #0,3,3 Current State: 72:[40, 76], Operations: ['83-18=65', '11+65=76'] Exploring Operation: 76-40=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 40*76=3040, Resulting Numbers: [3040] 3040,72 unequal: No Solution Exploring Operation: 40+76=116, Resulting Numbers: [116] 116,72 unequal: No Solution Moving to Node #0,0,3 Current State: 72:[83, 2], Operations: ['40-18=22', '22/11=2'] Exploring Operation: 83*2=166, Resulting Numbers: [166] 166,72 unequal: No Solution Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,72 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,72 unequal: No Solution Moving to Node #0,3,0 Current State: 72:[65, 29], Operations: ['83-18=65', '40-11=29'] Exploring Operation: 65+29=94, Resulting Numbers: [94] 94,72 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 65*29=1885, Resulting Numbers: [1885] 1885,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[11, 61], Operations: ['40-18=22', '83-22=61'] Exploring Operation: 61-11=50, Resulting Numbers: [50] 50,72 unequal: No Solution Exploring Operation: 11*61=671, Resulting Numbers: [671] 671,72 unequal: No Solution Exploring Operation: 11+61=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[83, 18, 40, 11], Operations: [] Exploring Operation: 40-18=22, Resulting Numbers: [83, 11, 22] Generated Node #0,0: 72:[83, 11, 22] Operation: 40-18=22 Moving to Node #0,0 Current State: 72:[83, 11, 22], Operations: ['40-18=22'] Exploring Operation: 83-22=61, Resulting Numbers: [11, 61] Generated Node #0,0,0: 72:[11, 61] Operation: 83-22=61 Moving to Node #0,0,0 Current State: 72:[11, 61], Operations: ['40-18=22', '83-22=61'] Exploring Operation: 11+61=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
0.947049
hs_4
sum_heuristic
[ 23, 6, 81, 13 ]
97
[ "23+6=29", "81-13=68", "29+68=97" ]
Current State: 97:[23, 6, 81, 13], Operations: [] Exploring Operation: 23+6=29, Resulting Numbers: [81, 13, 29] Generated Node #2: [81, 13, 29] from Operation: 23+6=29 Current State: 97:[81, 13, 29], Operations: ['23+6=29'] Exploring Operation: 81-13=68, Resulting Numbers: [29, 68] Generated Node #3: [29, 68] from Operation: 81-13=68 Current State: 97:[29, 68], Operations: ['23+6=29', '81-13=68'] Exploring Operation: 29+68=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[23, 6, 81, 13], Operations: [] Exploring Operation: 23*6=138, Resulting Numbers: [81, 13, 138] Generated Node #0,0: 97:[81, 13, 138] Operation: 23*6=138 Exploring Operation: 23+13=36, Resulting Numbers: [6, 81, 36] Generated Node #0,1: 97:[6, 81, 36] Operation: 23+13=36 Exploring Operation: 23+6=29, Resulting Numbers: [81, 13, 29] Generated Node #0,2: 97:[81, 13, 29] Operation: 23+6=29 Exploring Operation: 6*13=78, Resulting Numbers: [23, 81, 78] Generated Node #0,3: 97:[23, 81, 78] Operation: 6*13=78 Moving to Node #0,3 Current State: 97:[23, 81, 78], Operations: ['6*13=78'] Exploring Operation: 23+78=101, Resulting Numbers: [81, 101] Generated Node #0,3,0: 97:[81, 101] Operation: 23+78=101 Exploring Operation: 78-23=55, Resulting Numbers: [81, 55] Generated Node #0,3,1: 97:[81, 55] Operation: 78-23=55 Exploring Operation: 81-23=58, Resulting Numbers: [78, 58] Generated Node #0,3,2: 97:[78, 58] Operation: 81-23=58 Exploring Operation: 23+81=104, Resulting Numbers: [78, 104] Generated Node #0,3,3: 97:[78, 104] Operation: 23+81=104 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[81, 101], Operations: ['6*13=78', '23+78=101'] Exploring Operation: 81*101=8181, Resulting Numbers: [8181] 8181,97 unequal: No Solution Exploring Operation: 101-81=20, Resulting Numbers: [20] 20,97 unequal: No Solution Exploring Operation: 81+101=182, Resulting Numbers: [182] 182,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 97:[78, 104], Operations: ['6*13=78', '23+81=104'] Exploring Operation: 104-78=26, Resulting Numbers: [26] 26,97 unequal: No Solution Exploring Operation: 78*104=8112, Resulting Numbers: [8112] 8112,97 unequal: No Solution Exploring Operation: 78+104=182, Resulting Numbers: [182] 182,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[81, 55], Operations: ['6*13=78', '78-23=55'] Exploring Operation: 81*55=4455, Resulting Numbers: [4455] 4455,97 unequal: No Solution Exploring Operation: 81+55=136, Resulting Numbers: [136] 136,97 unequal: No Solution Exploring Operation: 81-55=26, Resulting Numbers: [26] 26,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 97:[78, 58], Operations: ['6*13=78', '81-23=58'] Exploring Operation: 78-58=20, Resulting Numbers: [20] 20,97 unequal: No Solution Exploring Operation: 78*58=4524, Resulting Numbers: [4524] 4524,97 unequal: No Solution Exploring Operation: 78+58=136, Resulting Numbers: [136] 136,97 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: 97:[81, 13, 138], Operations: ['23*6=138'] Exploring Operation: 81-13=68, Resulting Numbers: [138, 68] Generated Node #0,0,0: 97:[138, 68] Operation: 81-13=68 Exploring Operation: 13+138=151, Resulting Numbers: [81, 151] Generated Node #0,0,1: 97:[81, 151] Operation: 13+138=151 Exploring Operation: 81+13=94, Resulting Numbers: [138, 94] Generated Node #0,0,2: 97:[138, 94] Operation: 81+13=94 Exploring Operation: 138-13=125, Resulting Numbers: [81, 125] Generated Node #0,0,3: 97:[81, 125] Operation: 138-13=125 Moving to Node #0,2 Current State: 97:[81, 13, 29], Operations: ['23+6=29'] Exploring Operation: 13+29=42, Resulting Numbers: [81, 42] Generated Node #0,2,0: 97:[81, 42] Operation: 13+29=42 Exploring Operation: 81+29=110, Resulting Numbers: [13, 110] Generated Node #0,2,1: 97:[13, 110] Operation: 81+29=110 Exploring Operation: 81-13=68, Resulting Numbers: [29, 68] Generated Node #0,2,2: 97:[29, 68] Operation: 81-13=68 Exploring Operation: 81+13=94, Resulting Numbers: [29, 94] Generated Node #0,2,3: 97:[29, 94] Operation: 81+13=94 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[81, 42], Operations: ['23+6=29', '13+29=42'] Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,97 unequal: No Solution Exploring Operation: 81*42=3402, Resulting Numbers: [3402] 3402,97 unequal: No Solution Exploring Operation: 81+42=123, Resulting Numbers: [123] 123,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[29, 94], Operations: ['23+6=29', '81+13=94'] Exploring Operation: 29+94=123, Resulting Numbers: [123] 123,97 unequal: No Solution Exploring Operation: 29*94=2726, Resulting Numbers: [2726] 2726,97 unequal: No Solution Exploring Operation: 94-29=65, Resulting Numbers: [65] 65,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[13, 110], Operations: ['23+6=29', '81+29=110'] Exploring Operation: 110-13=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[23, 6, 81, 13], Operations: [] Exploring Operation: 23+6=29, Resulting Numbers: [81, 13, 29] Generated Node #0,2: 97:[81, 13, 29] Operation: 23+6=29 Moving to Node #0,2 Current State: 97:[81, 13, 29], Operations: ['23+6=29'] Exploring Operation: 81+29=110, Resulting Numbers: [13, 110] Generated Node #0,2,1: 97:[13, 110] Operation: 81+29=110 Moving to Node #0,2,1 Current State: 97:[13, 110], Operations: ['23+6=29', '81+29=110'] Exploring Operation: 110-13=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_4
mult_heuristic
[ 92, 57, 87, 91 ]
29
[ "92+57=149", "87+91=178", "178-149=29" ]
Current State: 29:[92, 57, 87, 91], Operations: [] Exploring Operation: 92+57=149, Resulting Numbers: [87, 91, 149] Generated Node #2: [87, 91, 149] from Operation: 92+57=149 Current State: 29:[87, 91, 149], Operations: ['92+57=149'] Exploring Operation: 87+91=178, Resulting Numbers: [149, 178] Generated Node #3: [149, 178] from Operation: 87+91=178 Current State: 29:[149, 178], Operations: ['92+57=149', '87+91=178'] Exploring Operation: 178-149=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[92, 57, 87, 91], Operations: [] Exploring Operation: 92-91=1, Resulting Numbers: [57, 87, 1] Generated Node #0,0: 29:[57, 87, 1] Operation: 92-91=1 Exploring Operation: 92-57=35, Resulting Numbers: [87, 91, 35] Generated Node #0,1: 29:[87, 91, 35] Operation: 92-57=35 Exploring Operation: 92-87=5, Resulting Numbers: [57, 91, 5] Generated Node #0,2: 29:[57, 91, 5] Operation: 92-87=5 Exploring Operation: 91-87=4, Resulting Numbers: [92, 57, 4] Generated Node #0,3: 29:[92, 57, 4] Operation: 91-87=4 Moving to Node #0,0 Current State: 29:[57, 87, 1], Operations: ['92-91=1'] Exploring Operation: 87-1=86, Resulting Numbers: [57, 86] Generated Node #0,0,0: 29:[57, 86] Operation: 87-1=86 Exploring Operation: 87-57=30, Resulting Numbers: [1, 30] Generated Node #0,0,1: 29:[1, 30] Operation: 87-57=30 Exploring Operation: 57*1=57, Resulting Numbers: [87, 57] Generated Node #0,0,2: 29:[87, 57] Operation: 57*1=57 Exploring Operation: 57-1=56, Resulting Numbers: [87, 56] Generated Node #0,0,3: 29:[87, 56] Operation: 57-1=56 Moving to Node #0,2 Current State: 29:[57, 91, 5], Operations: ['92-87=5'] Exploring Operation: 91-5=86, Resulting Numbers: [57, 86] Generated Node #0,2,0: 29:[57, 86] Operation: 91-5=86 Exploring Operation: 57+5=62, Resulting Numbers: [91, 62] Generated Node #0,2,1: 29:[91, 62] Operation: 57+5=62 Exploring Operation: 57-5=52, Resulting Numbers: [91, 52] Generated Node #0,2,2: 29:[91, 52] Operation: 57-5=52 Exploring Operation: 91-57=34, Resulting Numbers: [5, 34] Generated Node #0,2,3: 29:[5, 34] Operation: 91-57=34 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 29:[5, 34], Operations: ['92-87=5', '91-57=34'] Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,29 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[92, 57, 87, 91], Operations: [] Exploring Operation: 92-87=5, Resulting Numbers: [57, 91, 5] Generated Node #0,2: 29:[57, 91, 5] Operation: 92-87=5 Moving to Node #0,2 Current State: 29:[57, 91, 5], Operations: ['92-87=5'] Exploring Operation: 91-57=34, Resulting Numbers: [5, 34] Generated Node #0,2,3: 29:[5, 34] Operation: 91-57=34 Moving to Node #0,2,3 Current State: 29:[5, 34], Operations: ['92-87=5', '91-57=34'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 48, 13, 97, 3 ]
34
[ "48*3=144", "13+97=110", "144-110=34" ]
Current State: 34:[48, 13, 97, 3], Operations: [] Exploring Operation: 48*3=144, Resulting Numbers: [13, 97, 144] Generated Node #2: [13, 97, 144] from Operation: 48*3=144 Current State: 34:[13, 97, 144], Operations: ['48*3=144'] Exploring Operation: 13+97=110, Resulting Numbers: [144, 110] Generated Node #3: [144, 110] from Operation: 13+97=110 Current State: 34:[144, 110], Operations: ['48*3=144', '13+97=110'] Exploring Operation: 144-110=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[48, 13, 97, 3], Operations: [] Exploring Operation: 97-13=84, Resulting Numbers: [48, 3, 84] Generated Node #0,0: 34:[48, 3, 84] Operation: 97-13=84 Exploring Operation: 97-48=49, Resulting Numbers: [13, 3, 49] Generated Node #0,1: 34:[13, 3, 49] Operation: 97-48=49 Exploring Operation: 48/3=16, Resulting Numbers: [13, 97, 16] Generated Node #0,2: 34:[13, 97, 16] Operation: 48/3=16 Exploring Operation: 48-13=35, Resulting Numbers: [97, 3, 35] Generated Node #0,3: 34:[97, 3, 35] Operation: 48-13=35 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[13, 3, 49], Operations: ['97-48=49'] Exploring Operation: 13+3=16, Resulting Numbers: [49, 16] Generated Node #0,1,0: 34:[49, 16] Operation: 13+3=16 Exploring Operation: 49-3=46, Resulting Numbers: [13, 46] Generated Node #0,1,1: 34:[13, 46] Operation: 49-3=46 Exploring Operation: 13*3=39, Resulting Numbers: [49, 39] Generated Node #0,1,2: 34:[49, 39] Operation: 13*3=39 Exploring Operation: 49-13=36, Resulting Numbers: [3, 36] Generated Node #0,1,3: 34:[3, 36] Operation: 49-13=36 Moving to Node #0,1,3 Current State: 34:[3, 36], Operations: ['97-48=49', '49-13=36'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 3*36=108, Resulting Numbers: [108] 108,34 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[13, 46], Operations: ['97-48=49', '49-3=46'] Exploring Operation: 13*46=598, Resulting Numbers: [598] 598,34 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[49, 16], Operations: ['97-48=49', '13+3=16'] Exploring Operation: 49-16=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 49*16=784, Resulting Numbers: [784] 784,34 unequal: No Solution Exploring Operation: 49+16=65, Resulting Numbers: [65] 65,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[49, 39], Operations: ['97-48=49', '13*3=39'] Exploring Operation: 49+39=88, Resulting Numbers: [88] 88,34 unequal: No Solution Exploring Operation: 49*39=1911, Resulting Numbers: [1911] 1911,34 unequal: No Solution Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[48, 3, 84], Operations: ['97-13=84'] Exploring Operation: 48/3=16, Resulting Numbers: [84, 16] Generated Node #0,0,0: 34:[84, 16] Operation: 48/3=16 Exploring Operation: 48-3=45, Resulting Numbers: [84, 45] Generated Node #0,0,1: 34:[84, 45] Operation: 48-3=45 Exploring Operation: 84-48=36, Resulting Numbers: [3, 36] Generated Node #0,0,2: 34:[3, 36] Operation: 84-48=36 Exploring Operation: 84/3=28, Resulting Numbers: [48, 28] Generated Node #0,0,3: 34:[48, 28] Operation: 84/3=28 Moving to Node #0,0,2 Current State: 34:[3, 36], Operations: ['97-13=84', '84-48=36'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 3*36=108, Resulting Numbers: [108] 108,34 unequal: No Solution Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,34 unequal: No Solution Moving to Node #0,0,3 Current State: 34:[48, 28], Operations: ['97-13=84', '84/3=28'] Exploring Operation: 48*28=1344, Resulting Numbers: [1344] 1344,34 unequal: No Solution Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,34 unequal: No Solution Exploring Operation: 48+28=76, Resulting Numbers: [76] 76,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[84, 16], Operations: ['97-13=84', '48/3=16'] Exploring Operation: 84*16=1344, Resulting Numbers: [1344] 1344,34 unequal: No Solution Exploring Operation: 84-16=68, Resulting Numbers: [68] 68,34 unequal: No Solution Exploring Operation: 84+16=100, Resulting Numbers: [100] 100,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[84, 45], Operations: ['97-13=84', '48-3=45'] Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,34 unequal: No Solution Exploring Operation: 84+45=129, Resulting Numbers: [129] 129,34 unequal: No Solution Exploring Operation: 84*45=3780, Resulting Numbers: [3780] 3780,34 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 #0,3 Current State: 34:[97, 3, 35], Operations: ['48-13=35'] Exploring Operation: 97-3=94, Resulting Numbers: [35, 94] Generated Node #0,3,0: 34:[35, 94] Operation: 97-3=94 Exploring Operation: 97-35=62, Resulting Numbers: [3, 62] Generated Node #0,3,1: 34:[3, 62] Operation: 97-35=62 Exploring Operation: 35-3=32, Resulting Numbers: [97, 32] Generated Node #0,3,2: 34:[97, 32] Operation: 35-3=32 Exploring Operation: 97+3=100, Resulting Numbers: [35, 100] Generated Node #0,3,3: 34:[35, 100] Operation: 97+3=100 Moving to Node #0,3,1 Current State: 34:[3, 62], Operations: ['48-13=35', '97-35=62'] Exploring Operation: 3+62=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,34 unequal: No Solution Exploring Operation: 3*62=186, Resulting Numbers: [186] 186,34 unequal: No Solution Moving to Node #0,3,0 Current State: 34:[35, 94], Operations: ['48-13=35', '97-3=94'] Exploring Operation: 35+94=129, Resulting Numbers: [129] 129,34 unequal: No Solution Exploring Operation: 35*94=3290, Resulting Numbers: [3290] 3290,34 unequal: No Solution Exploring Operation: 94-35=59, Resulting Numbers: [59] 59,34 unequal: No Solution Moving to Node #0,3,2 Current State: 34:[97, 32], Operations: ['48-13=35', '35-3=32'] Exploring Operation: 97*32=3104, Resulting Numbers: [3104] 3104,34 unequal: No Solution Exploring Operation: 97+32=129, Resulting Numbers: [129] 129,34 unequal: No Solution Exploring Operation: 97-32=65, Resulting Numbers: [65] 65,34 unequal: No Solution Moving to Node #0,3,3 Current State: 34:[35, 100], Operations: ['48-13=35', '97+3=100'] Exploring Operation: 35*100=3500, Resulting Numbers: [3500] 3500,34 unequal: No Solution Exploring Operation: 100-35=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 35+100=135, Resulting Numbers: [135] 135,34 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 #0,2 Current State: 34:[13, 97, 16], Operations: ['48/3=16'] Exploring Operation: 97-16=81, Resulting Numbers: [13, 81] Generated Node #0,2,0: 34:[13, 81] Operation: 97-16=81 Exploring Operation: 97-13=84, Resulting Numbers: [16, 84] Generated Node #0,2,1: 34:[16, 84] Operation: 97-13=84 Exploring Operation: 16-13=3, Resulting Numbers: [97, 3] Generated Node #0,2,2: 34:[97, 3] Operation: 16-13=3 Exploring Operation: 13+16=29, Resulting Numbers: [97, 29] Generated Node #0,2,3: 34:[97, 29] Operation: 13+16=29 Moving to Node #0,2,0 Current State: 34:[13, 81], Operations: ['48/3=16', '97-16=81'] Exploring Operation: 13+81=94, Resulting Numbers: [94] 94,34 unequal: No Solution Exploring Operation: 81-13=68, Resulting Numbers: [68] 68,34 unequal: No Solution Exploring Operation: 13*81=1053, Resulting Numbers: [1053] 1053,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[16, 84], Operations: ['48/3=16', '97-13=84'] Exploring Operation: 16*84=1344, Resulting Numbers: [1344] 1344,34 unequal: No Solution Exploring Operation: 84-16=68, Resulting Numbers: [68] 68,34 unequal: No Solution Exploring Operation: 16+84=100, Resulting Numbers: [100] 100,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[97, 3], Operations: ['48/3=16', '16-13=3'] Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,34 unequal: No Solution Exploring Operation: 97*3=291, Resulting Numbers: [291] 291,34 unequal: No Solution Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[97, 29], Operations: ['48/3=16', '13+16=29'] Exploring Operation: 97+29=126, Resulting Numbers: [126] 126,34 unequal: No Solution Exploring Operation: 97*29=2813, Resulting Numbers: [2813] 2813,34 unequal: No Solution Exploring Operation: 97-29=68, Resulting Numbers: [68] 68,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 86, 13, 16, 24 ]
65
[ "86-13=73", "24-16=8", "73-8=65" ]
Current State: 65:[86, 13, 16, 24], Operations: [] Exploring Operation: 86-13=73, Resulting Numbers: [16, 24, 73] Generated Node #2: [16, 24, 73] from Operation: 86-13=73 Current State: 65:[16, 24, 73], Operations: ['86-13=73'] Exploring Operation: 24-16=8, Resulting Numbers: [73, 8] Generated Node #3: [73, 8] from Operation: 24-16=8 Current State: 65:[73, 8], Operations: ['86-13=73', '24-16=8'] Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[86, 13, 16, 24], Operations: [] Exploring Operation: 86-24=62, Resulting Numbers: [13, 16, 62] Generated Node #0,0: 65:[13, 16, 62] Operation: 86-24=62 Moving to Node #0,0 Current State: 65:[13, 16, 62], Operations: ['86-24=62'] Exploring Operation: 16-13=3, Resulting Numbers: [62, 3] Generated Node #0,0,0: 65:[62, 3] Operation: 16-13=3 Moving to Node #0,0,0 Current State: 65:[62, 3], Operations: ['86-24=62', '16-13=3'] Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[86, 13, 16, 24], Operations: [] Exploring Operation: 86-24=62, Resulting Numbers: [13, 16, 62] Generated Node #0,0: 65:[13, 16, 62] Operation: 86-24=62 Moving to Node #0,0 Current State: 65:[13, 16, 62], Operations: ['86-24=62'] Exploring Operation: 16-13=3, Resulting Numbers: [62, 3] Generated Node #0,0,0: 65:[62, 3] Operation: 16-13=3 Moving to Node #0,0,0 Current State: 65:[62, 3], Operations: ['86-24=62', '16-13=3'] Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 77, 3, 64, 74 ]
63
[ "77-3=74", "74/74=1", "64-1=63" ]
Current State: 63:[77, 3, 64, 74], Operations: [] Exploring Operation: 77-3=74, Resulting Numbers: [64, 74, 74] Generated Node #2: [64, 74, 74] from Operation: 77-3=74 Current State: 63:[64, 74, 74], Operations: ['77-3=74'] Exploring Operation: 74/74=1, Resulting Numbers: [64, 1] Generated Node #3: [64, 1] from Operation: 74/74=1 Current State: 63:[64, 1], Operations: ['77-3=74', '74/74=1'] Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[77, 3, 64, 74], Operations: [] Exploring Operation: 77-74=3, Resulting Numbers: [3, 64, 3] Generated Node #0,0: 63:[3, 64, 3] Operation: 77-74=3 Moving to Node #0,0 Current State: 63:[3, 64, 3], Operations: ['77-74=3'] Exploring Operation: 3*3=9, Resulting Numbers: [64, 9] Generated Node #0,0,0: 63:[64, 9] Operation: 3*3=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[64, 9], Operations: ['77-74=3', '3*3=9'] Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,63 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
[ 27, 58, 34, 29 ]
17
[ "27+58=85", "34-29=5", "85/5=17" ]
Current State: 17:[27, 58, 34, 29], Operations: [] Exploring Operation: 27+58=85, Resulting Numbers: [34, 29, 85] Generated Node #2: [34, 29, 85] from Operation: 27+58=85 Current State: 17:[34, 29, 85], Operations: ['27+58=85'] Exploring Operation: 34-29=5, Resulting Numbers: [85, 5] Generated Node #3: [85, 5] from Operation: 34-29=5 Current State: 17:[85, 5], Operations: ['27+58=85', '34-29=5'] Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[27, 58, 34, 29], Operations: [] Exploring Operation: 58-29=29, Resulting Numbers: [27, 34, 29] Generated Node #0,0: 17:[27, 34, 29] Operation: 58-29=29 Exploring Operation: 58-27=31, Resulting Numbers: [34, 29, 31] Generated Node #0,1: 17:[34, 29, 31] Operation: 58-27=31 Exploring Operation: 58/29=2, Resulting Numbers: [27, 34, 2] Generated Node #0,2: 17:[27, 34, 2] Operation: 58/29=2 Exploring Operation: 58-34=24, Resulting Numbers: [27, 29, 24] Generated Node #0,3: 17:[27, 29, 24] Operation: 58-34=24 Start Sub Search at level 1: Moving to Node #0,3 Current State: 17:[27, 29, 24], Operations: ['58-34=24'] Exploring Operation: 29-24=5, Resulting Numbers: [27, 5] Generated Node #0,3,0: 17:[27, 5] Operation: 29-24=5 Exploring Operation: 27+29=56, Resulting Numbers: [24, 56] Generated Node #0,3,1: 17:[24, 56] Operation: 27+29=56 Exploring Operation: 27-24=3, Resulting Numbers: [29, 3] Generated Node #0,3,2: 17:[29, 3] Operation: 27-24=3 Exploring Operation: 29-27=2, Resulting Numbers: [24, 2] Generated Node #0,3,3: 17:[24, 2] Operation: 29-27=2 Moving to Node #0,3,0 Current State: 17:[27, 5], Operations: ['58-34=24', '29-24=5'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,17 unequal: No Solution Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 27*5=135, Resulting Numbers: [135] 135,17 unequal: No Solution Moving to Node #0,3,3 Current State: 17:[24, 2], Operations: ['58-34=24', '29-27=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,17 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,17 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,17 unequal: No Solution Moving to Node #0,3,2 Current State: 17:[29, 3], Operations: ['58-34=24', '27-24=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,17 unequal: No Solution Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,17 unequal: No Solution Moving to Node #0,3,1 Current State: 17:[24, 56], Operations: ['58-34=24', '27+29=56'] Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 24*56=1344, Resulting Numbers: [1344] 1344,17 unequal: No Solution Exploring Operation: 24+56=80, Resulting Numbers: [80] 80,17 unequal: No Solution No 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: 17:[27, 34, 29], Operations: ['58-29=29'] Exploring Operation: 34-29=5, Resulting Numbers: [27, 5] Generated Node #0,0,0: 17:[27, 5] Operation: 34-29=5 Exploring Operation: 34-27=7, Resulting Numbers: [29, 7] Generated Node #0,0,1: 17:[29, 7] Operation: 34-27=7 Exploring Operation: 27+34=61, Resulting Numbers: [29, 61] Generated Node #0,0,2: 17:[29, 61] Operation: 27+34=61 Exploring Operation: 29-27=2, Resulting Numbers: [34, 2] Generated Node #0,0,3: 17:[34, 2] Operation: 29-27=2 Moving to Node #0,0,0 Current State: 17:[27, 5], Operations: ['58-29=29', '34-29=5'] Exploring Operation: 27*5=135, Resulting Numbers: [135] 135,17 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,17 unequal: No Solution Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[29, 7], Operations: ['58-29=29', '34-27=7'] Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,17 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,17 unequal: No Solution Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,17 unequal: No Solution Moving to Node #0,0,3 Current State: 17:[34, 2], Operations: ['58-29=29', '29-27=2'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,17 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[27, 58, 34, 29], Operations: [] Exploring Operation: 58-29=29, Resulting Numbers: [27, 34, 29] Generated Node #0,0: 17:[27, 34, 29] Operation: 58-29=29 Moving to Node #0,0 Current State: 17:[27, 34, 29], Operations: ['58-29=29'] Exploring Operation: 29-27=2, Resulting Numbers: [34, 2] Generated Node #0,0,3: 17:[34, 2] Operation: 29-27=2 Moving to Node #0,0,3 Current State: 17:[34, 2], Operations: ['58-29=29', '29-27=2'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
mult_heuristic
[ 20, 76, 66, 46 ]
75
[ "66-20=46", "46/46=1", "76-1=75" ]
Current State: 75:[20, 76, 66, 46], Operations: [] Exploring Operation: 66-20=46, Resulting Numbers: [76, 46, 46] Generated Node #2: [76, 46, 46] from Operation: 66-20=46 Current State: 75:[76, 46, 46], Operations: ['66-20=46'] Exploring Operation: 46/46=1, Resulting Numbers: [76, 1] Generated Node #3: [76, 1] from Operation: 46/46=1 Current State: 75:[76, 1], Operations: ['66-20=46', '46/46=1'] Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[20, 76, 66, 46], Operations: [] Exploring Operation: 46-20=26, Resulting Numbers: [76, 66, 26] Generated Node #0,0: 75:[76, 66, 26] Operation: 46-20=26 Exploring Operation: 66-46=20, Resulting Numbers: [20, 76, 20] Generated Node #0,1: 75:[20, 76, 20] Operation: 66-46=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[76, 66, 26], Operations: ['46-20=26'] Exploring Operation: 76-66=10, Resulting Numbers: [26, 10] Generated Node #0,0,0: 75:[26, 10] Operation: 76-66=10 Exploring Operation: 66-26=40, Resulting Numbers: [76, 40] Generated Node #0,0,1: 75:[76, 40] Operation: 66-26=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[26, 10], Operations: ['46-20=26', '76-66=10'] Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,75 unequal: No Solution No 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: 75:[76, 40], Operations: ['46-20=26', '66-26=40'] Exploring Operation: 76-40=36, Resulting Numbers: [36] 36,75 unequal: No Solution Exploring Operation: 76+40=116, Resulting Numbers: [116] 116,75 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: 75:[20, 76, 20], Operations: ['66-46=20'] Exploring Operation: 20/20=1, Resulting Numbers: [76, 1] Generated Node #0,1,0: 75:[76, 1] Operation: 20/20=1 Exploring Operation: 20-20=0, Resulting Numbers: [76, 0] Generated Node #0,1,1: 75:[76, 0] Operation: 20-20=0 Moving to Node #0,1,0 Current State: 75:[76, 1], Operations: ['66-46=20', '20/20=1'] Exploring Operation: 76*1=76, Resulting Numbers: [76] 76,75 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[20, 76, 66, 46], Operations: [] Exploring Operation: 66-46=20, Resulting Numbers: [20, 76, 20] Generated Node #0,1: 75:[20, 76, 20] Operation: 66-46=20 Moving to Node #0,1 Current State: 75:[20, 76, 20], Operations: ['66-46=20'] Exploring Operation: 20/20=1, Resulting Numbers: [76, 1] Generated Node #0,1,0: 75:[76, 1] Operation: 20/20=1 Moving to Node #0,1,0 Current State: 75:[76, 1], Operations: ['66-46=20', '20/20=1'] Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 4, 82, 2, 70 ]
46
[ "82-70=12", "4*12=48", "48-2=46" ]
Current State: 46:[4, 82, 2, 70], Operations: [] Exploring Operation: 82-70=12, Resulting Numbers: [4, 2, 12] Generated Node #2: [4, 2, 12] from Operation: 82-70=12 Current State: 46:[4, 2, 12], Operations: ['82-70=12'] Exploring Operation: 4*12=48, Resulting Numbers: [2, 48] Generated Node #3: [2, 48] from Operation: 4*12=48 Current State: 46:[2, 48], Operations: ['82-70=12', '4*12=48'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[4, 82, 2, 70], Operations: [] Exploring Operation: 82-4=78, Resulting Numbers: [2, 70, 78] Generated Node #0,0: 46:[2, 70, 78] Operation: 82-4=78 Exploring Operation: 82/2=41, Resulting Numbers: [4, 70, 41] Generated Node #0,1: 46:[4, 70, 41] Operation: 82/2=41 Exploring Operation: 70-4=66, Resulting Numbers: [82, 2, 66] Generated Node #0,2: 46:[82, 2, 66] Operation: 70-4=66 Exploring Operation: 70/2=35, Resulting Numbers: [4, 82, 35] Generated Node #0,3: 46:[4, 82, 35] Operation: 70/2=35 Exploring Operation: 82-70=12, Resulting Numbers: [4, 2, 12] Generated Node #0,4: 46:[4, 2, 12] Operation: 82-70=12 Start Sub Search at level 1: Moving to Node #0,4 Current State: 46:[4, 2, 12], Operations: ['82-70=12'] Exploring Operation: 12/2=6, Resulting Numbers: [4, 6] Generated Node #0,4,0: 46:[4, 6] Operation: 12/2=6 Exploring Operation: 12/4=3, Resulting Numbers: [2, 3] Generated Node #0,4,1: 46:[2, 3] Operation: 12/4=3 Exploring Operation: 4*12=48, Resulting Numbers: [2, 48] Generated Node #0,4,2: 46:[2, 48] Operation: 4*12=48 Exploring Operation: 2*12=24, Resulting Numbers: [4, 24] Generated Node #0,4,3: 46:[4, 24] Operation: 2*12=24 Exploring Operation: 12-4=8, Resulting Numbers: [2, 8] Generated Node #0,4,4: 46:[2, 8] Operation: 12-4=8 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 46:[2, 3], Operations: ['82-70=12', '12/4=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,46 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 46:[2, 48], Operations: ['82-70=12', '4*12=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,46 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[4, 82, 2, 70], Operations: [] Exploring Operation: 82-70=12, Resulting Numbers: [4, 2, 12] Generated Node #0,4: 46:[4, 2, 12] Operation: 82-70=12 Moving to Node #0,4 Current State: 46:[4, 2, 12], Operations: ['82-70=12'] Exploring Operation: 4*12=48, Resulting Numbers: [2, 48] Generated Node #0,4,2: 46:[2, 48] Operation: 4*12=48 Moving to Node #0,4,2 Current State: 46:[2, 48], Operations: ['82-70=12', '4*12=48'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 16, 43, 33, 91 ]
83
[ "43*33=1419", "1419-91=1328", "1328/16=83" ]
Current State: 83:[16, 43, 33, 91], Operations: [] Exploring Operation: 43*33=1419, Resulting Numbers: [16, 91, 1419] Generated Node #2: [16, 91, 1419] from Operation: 43*33=1419 Current State: 83:[16, 91, 1419], Operations: ['43*33=1419'] Exploring Operation: 1419-91=1328, Resulting Numbers: [16, 1328] Generated Node #3: [16, 1328] from Operation: 1419-91=1328 Current State: 83:[16, 1328], Operations: ['43*33=1419', '1419-91=1328'] Exploring Operation: 1328/16=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[16, 43, 33, 91], Operations: [] Exploring Operation: 91-16=75, Resulting Numbers: [43, 33, 75] Generated Node #0,0: 83:[43, 33, 75] Operation: 91-16=75 Exploring Operation: 43+33=76, Resulting Numbers: [16, 91, 76] Generated Node #0,1: 83:[16, 91, 76] Operation: 43+33=76 Exploring Operation: 16+33=49, Resulting Numbers: [43, 91, 49] Generated Node #0,2: 83:[43, 91, 49] Operation: 16+33=49 Exploring Operation: 16+43=59, Resulting Numbers: [33, 91, 59] Generated Node #0,3: 83:[33, 91, 59] Operation: 16+43=59 Moving to Node #0,1 Current State: 83:[16, 91, 76], Operations: ['43+33=76'] Exploring Operation: 91-16=75, Resulting Numbers: [76, 75] Generated Node #0,1,0: 83:[76, 75] Operation: 91-16=75 Exploring Operation: 76-16=60, Resulting Numbers: [91, 60] Generated Node #0,1,1: 83:[91, 60] Operation: 76-16=60 Exploring Operation: 16+91=107, Resulting Numbers: [76, 107] Generated Node #0,1,2: 83:[76, 107] Operation: 16+91=107 Exploring Operation: 16+76=92, Resulting Numbers: [91, 92] Generated Node #0,1,3: 83:[91, 92] Operation: 16+76=92 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[76, 75], Operations: ['43+33=76', '91-16=75'] Exploring Operation: 76+75=151, Resulting Numbers: [151] 151,83 unequal: No Solution Exploring Operation: 76-75=1, Resulting Numbers: [1] 1,83 unequal: No Solution Exploring Operation: 76*75=5700, Resulting Numbers: [5700] 5700,83 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:[91, 92], Operations: ['43+33=76', '16+76=92'] Exploring Operation: 91+92=183, Resulting Numbers: [183] 183,83 unequal: No Solution Exploring Operation: 91*92=8372, Resulting Numbers: [8372] 8372,83 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,83 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:[91, 60], Operations: ['43+33=76', '76-16=60'] Exploring Operation: 91*60=5460, Resulting Numbers: [5460] 5460,83 unequal: No Solution Exploring Operation: 91-60=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 91+60=151, Resulting Numbers: [151] 151,83 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:[76, 107], Operations: ['43+33=76', '16+91=107'] Exploring Operation: 76*107=8132, Resulting Numbers: [8132] 8132,83 unequal: No Solution Exploring Operation: 76+107=183, Resulting Numbers: [183] 183,83 unequal: No Solution Exploring Operation: 107-76=31, Resulting Numbers: [31] 31,83 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: 83:[33, 91, 59], Operations: ['16+43=59'] Exploring Operation: 33+91=124, Resulting Numbers: [59, 124] Generated Node #0,3,0: 83:[59, 124] Operation: 33+91=124 Exploring Operation: 33+59=92, Resulting Numbers: [91, 92] Generated Node #0,3,1: 83:[91, 92] Operation: 33+59=92 Exploring Operation: 91-33=58, Resulting Numbers: [59, 58] Generated Node #0,3,2: 83:[59, 58] Operation: 91-33=58 Exploring Operation: 59-33=26, Resulting Numbers: [91, 26] Generated Node #0,3,3: 83:[91, 26] Operation: 59-33=26 Moving to Node #0,2 Current State: 83:[43, 91, 49], Operations: ['16+33=49'] Exploring Operation: 91-43=48, Resulting Numbers: [49, 48] Generated Node #0,2,0: 83:[49, 48] Operation: 91-43=48 Exploring Operation: 43+91=134, Resulting Numbers: [49, 134] Generated Node #0,2,1: 83:[49, 134] Operation: 43+91=134 Exploring Operation: 43+49=92, Resulting Numbers: [91, 92] Generated Node #0,2,2: 83:[91, 92] Operation: 43+49=92 Exploring Operation: 91-49=42, Resulting Numbers: [43, 42] Generated Node #0,2,3: 83:[43, 42] Operation: 91-49=42 Moving to Node #0,0 Current State: 83:[43, 33, 75], Operations: ['91-16=75'] Exploring Operation: 75-33=42, Resulting Numbers: [43, 42] Generated Node #0,0,0: 83:[43, 42] Operation: 75-33=42 Exploring Operation: 43+33=76, Resulting Numbers: [75, 76] Generated Node #0,0,1: 83:[75, 76] Operation: 43+33=76 Exploring Operation: 43-33=10, Resulting Numbers: [75, 10] Generated Node #0,0,2: 83:[75, 10] Operation: 43-33=10 Exploring Operation: 33+75=108, Resulting Numbers: [43, 108] Generated Node #0,0,3: 83:[43, 108] Operation: 33+75=108 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[75, 76], Operations: ['91-16=75', '43+33=76'] Exploring Operation: 75+76=151, Resulting Numbers: [151] 151,83 unequal: No Solution Exploring Operation: 76-75=1, Resulting Numbers: [1] 1,83 unequal: No Solution Exploring Operation: 75*76=5700, Resulting Numbers: [5700] 5700,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 83:[43, 108], Operations: ['91-16=75', '33+75=108'] Exploring Operation: 43*108=4644, Resulting Numbers: [4644] 4644,83 unequal: No Solution Exploring Operation: 43+108=151, Resulting Numbers: [151] 151,83 unequal: No Solution Exploring Operation: 108-43=65, Resulting Numbers: [65] 65,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[43, 42], Operations: ['91-16=75', '75-33=42'] Exploring Operation: 43*42=1806, Resulting Numbers: [1806] 1806,83 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,83 unequal: No Solution Exploring Operation: 43+42=85, Resulting Numbers: [85] 85,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[75, 10], Operations: ['91-16=75', '43-33=10'] Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,83 unequal: No Solution Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 75*10=750, Resulting Numbers: [750] 750,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 83:[91, 92], Operations: ['16+43=59', '33+59=92'] Exploring Operation: 91+92=183, Resulting Numbers: [183] 183,83 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,83 unequal: No Solution Exploring Operation: 91*92=8372, Resulting Numbers: [8372] 8372,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[91, 92], Operations: ['16+33=49', '43+49=92'] Exploring Operation: 91+92=183, Resulting Numbers: [183] 183,83 unequal: No Solution Exploring Operation: 91*92=8372, Resulting Numbers: [8372] 8372,83 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[59, 58], Operations: ['16+43=59', '91-33=58'] Exploring Operation: 59-58=1, Resulting Numbers: [1] 1,83 unequal: No Solution Exploring Operation: 59*58=3422, Resulting Numbers: [3422] 3422,83 unequal: No Solution Exploring Operation: 59+58=117, Resulting Numbers: [117] 117,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[59, 124], Operations: ['16+43=59', '33+91=124'] Exploring Operation: 59*124=7316, Resulting Numbers: [7316] 7316,83 unequal: No Solution Exploring Operation: 59+124=183, Resulting Numbers: [183] 183,83 unequal: No Solution Exploring Operation: 124-59=65, Resulting Numbers: [65] 65,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[91, 26], Operations: ['16+43=59', '59-33=26'] Exploring Operation: 91+26=117, Resulting Numbers: [117] 117,83 unequal: No Solution Exploring Operation: 91-26=65, Resulting Numbers: [65] 65,83 unequal: No Solution Exploring Operation: 91*26=2366, Resulting Numbers: [2366] 2366,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[49, 48], Operations: ['16+33=49', '91-43=48'] Exploring Operation: 49*48=2352, Resulting Numbers: [2352] 2352,83 unequal: No Solution Exploring Operation: 49+48=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[43, 42], Operations: ['16+33=49', '91-49=42'] Exploring Operation: 43*42=1806, Resulting Numbers: [1806] 1806,83 unequal: No Solution Exploring Operation: 43+42=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[49, 134], Operations: ['16+33=49', '43+91=134'] Exploring Operation: 49*134=6566, Resulting Numbers: [6566] 6566,83 unequal: No Solution Exploring Operation: 49+134=183, Resulting Numbers: [183] 183,83 unequal: No Solution Exploring Operation: 134-49=85, Resulting Numbers: [85] 85,83 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 15, 81, 4, 6 ]
39
[ "81*4=324", "324/6=54", "54-15=39" ]
Current State: 39:[15, 81, 4, 6], Operations: [] Exploring Operation: 81*4=324, Resulting Numbers: [15, 6, 324] Generated Node #2: [15, 6, 324] from Operation: 81*4=324 Current State: 39:[15, 6, 324], Operations: ['81*4=324'] Exploring Operation: 324/6=54, Resulting Numbers: [15, 54] Generated Node #3: [15, 54] from Operation: 324/6=54 Current State: 39:[15, 54], Operations: ['81*4=324', '324/6=54'] Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[15, 81, 4, 6], Operations: [] Exploring Operation: 81-4=77, Resulting Numbers: [15, 6, 77] Generated Node #0,0: 39:[15, 6, 77] Operation: 81-4=77 Exploring Operation: 81-6=75, Resulting Numbers: [15, 4, 75] Generated Node #0,1: 39:[15, 4, 75] Operation: 81-6=75 Exploring Operation: 81-15=66, Resulting Numbers: [4, 6, 66] Generated Node #0,2: 39:[4, 6, 66] Operation: 81-15=66 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[4, 6, 66], Operations: ['81-15=66'] Exploring Operation: 66/6=11, Resulting Numbers: [4, 11] Generated Node #0,2,0: 39:[4, 11] Operation: 66/6=11 Exploring Operation: 66-6=60, Resulting Numbers: [4, 60] Generated Node #0,2,1: 39:[4, 60] Operation: 66-6=60 Exploring Operation: 66-4=62, Resulting Numbers: [6, 62] Generated Node #0,2,2: 39:[6, 62] Operation: 66-4=62 Moving to Node #0,2,0 Current State: 39:[4, 11], Operations: ['81-15=66', '66/6=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,39 unequal: No Solution Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[4, 60], Operations: ['81-15=66', '66-6=60'] Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,39 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[6, 62], Operations: ['81-15=66', '66-4=62'] Exploring Operation: 6+62=68, Resulting Numbers: [68] 68,39 unequal: No Solution Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,39 unequal: No Solution Exploring Operation: 6*62=372, Resulting Numbers: [372] 372,39 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 #0,1 Current State: 39:[15, 4, 75], Operations: ['81-6=75'] Exploring Operation: 75/15=5, Resulting Numbers: [4, 5] Generated Node #0,1,0: 39:[4, 5] Operation: 75/15=5 Exploring Operation: 75-4=71, Resulting Numbers: [15, 71] Generated Node #0,1,1: 39:[15, 71] Operation: 75-4=71 Exploring Operation: 75-15=60, Resulting Numbers: [4, 60] Generated Node #0,1,2: 39:[4, 60] Operation: 75-15=60 Moving to Node #0,1,0 Current State: 39:[4, 5], Operations: ['81-6=75', '75/15=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,39 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[4, 60], Operations: ['81-6=75', '75-15=60'] Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,39 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[15, 71], Operations: ['81-6=75', '75-4=71'] Exploring Operation: 15+71=86, Resulting Numbers: [86] 86,39 unequal: No Solution Exploring Operation: 15*71=1065, Resulting Numbers: [1065] 1065,39 unequal: No Solution Exploring Operation: 71-15=56, Resulting Numbers: [56] 56,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[15, 6, 77], Operations: ['81-4=77'] Exploring Operation: 77-15=62, Resulting Numbers: [6, 62] Generated Node #0,0,0: 39:[6, 62] Operation: 77-15=62 Exploring Operation: 15-6=9, Resulting Numbers: [77, 9] Generated Node #0,0,1: 39:[77, 9] Operation: 15-6=9 Exploring Operation: 77-6=71, Resulting Numbers: [15, 71] Generated Node #0,0,2: 39:[15, 71] Operation: 77-6=71 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[6, 62], Operations: ['81-4=77', '77-15=62'] Exploring Operation: 6*62=372, Resulting Numbers: [372] 372,39 unequal: No Solution Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,39 unequal: No Solution Exploring Operation: 6+62=68, Resulting Numbers: [68] 68,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[15, 71], Operations: ['81-4=77', '77-6=71'] Exploring Operation: 15*71=1065, Resulting Numbers: [1065] 1065,39 unequal: No Solution Exploring Operation: 71-15=56, Resulting Numbers: [56] 56,39 unequal: No Solution Exploring Operation: 15+71=86, Resulting Numbers: [86] 86,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 39:[77, 9], Operations: ['81-4=77', '15-6=9'] Exploring Operation: 77+9=86, Resulting Numbers: [86] 86,39 unequal: No Solution Exploring Operation: 77*9=693, Resulting Numbers: [693] 693,39 unequal: No Solution Exploring Operation: 77-9=68, Resulting Numbers: [68] 68,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 62, 38, 59, 49 ]
84
[ "62-38=24", "59+49=108", "108-24=84" ]
Current State: 84:[62, 38, 59, 49], Operations: [] Exploring Operation: 62-38=24, Resulting Numbers: [59, 49, 24] Generated Node #2: [59, 49, 24] from Operation: 62-38=24 Current State: 84:[59, 49, 24], Operations: ['62-38=24'] Exploring Operation: 59+49=108, Resulting Numbers: [24, 108] Generated Node #3: [24, 108] from Operation: 59+49=108 Current State: 84:[24, 108], Operations: ['62-38=24', '59+49=108'] Exploring Operation: 108-24=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[62, 38, 59, 49], Operations: [] Exploring Operation: 62-59=3, Resulting Numbers: [38, 49, 3] Generated Node #0,0: 84:[38, 49, 3] Operation: 62-59=3 Exploring Operation: 62-49=13, Resulting Numbers: [38, 59, 13] Generated Node #0,1: 84:[38, 59, 13] Operation: 62-49=13 Exploring Operation: 62-38=24, Resulting Numbers: [59, 49, 24] Generated Node #0,2: 84:[59, 49, 24] Operation: 62-38=24 Exploring Operation: 59-49=10, Resulting Numbers: [62, 38, 10] Generated Node #0,3: 84:[62, 38, 10] Operation: 59-49=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[38, 49, 3], Operations: ['62-59=3'] Exploring Operation: 38+49=87, Resulting Numbers: [3, 87] Generated Node #0,0,0: 84:[3, 87] Operation: 38+49=87 Exploring Operation: 49-3=46, Resulting Numbers: [38, 46] Generated Node #0,0,1: 84:[38, 46] Operation: 49-3=46 Exploring Operation: 49-38=11, Resulting Numbers: [3, 11] Generated Node #0,0,2: 84:[3, 11] Operation: 49-38=11 Exploring Operation: 38+3=41, Resulting Numbers: [49, 41] Generated Node #0,0,3: 84:[49, 41] Operation: 38+3=41 Moving to Node #0,0,2 Current State: 84:[3, 11], Operations: ['62-59=3', '49-38=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,84 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,84 unequal: No Solution Moving to Node #0,0,0 Current State: 84:[3, 87], Operations: ['62-59=3', '38+49=87'] Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[62, 38, 59, 49], Operations: [] Exploring Operation: 62-59=3, Resulting Numbers: [38, 49, 3] Generated Node #0,0: 84:[38, 49, 3] Operation: 62-59=3 Moving to Node #0,0 Current State: 84:[38, 49, 3], Operations: ['62-59=3'] Exploring Operation: 38+49=87, Resulting Numbers: [3, 87] Generated Node #0,0,0: 84:[3, 87] Operation: 38+49=87 Moving to Node #0,0,0 Current State: 84:[3, 87], Operations: ['62-59=3', '38+49=87'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 17, 33, 24, 23 ]
16
[ "33-17=16", "24-23=1", "16*1=16" ]
Current State: 16:[17, 33, 24, 23], Operations: [] Exploring Operation: 33-17=16, Resulting Numbers: [24, 23, 16] Generated Node #2: [24, 23, 16] from Operation: 33-17=16 Current State: 16:[24, 23, 16], Operations: ['33-17=16'] Exploring Operation: 24-23=1, Resulting Numbers: [16, 1] Generated Node #3: [16, 1] from Operation: 24-23=1 Current State: 16:[16, 1], Operations: ['33-17=16', '24-23=1'] Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[17, 33, 24, 23], Operations: [] Exploring Operation: 33-24=9, Resulting Numbers: [17, 23, 9] Generated Node #0,0: 16:[17, 23, 9] Operation: 33-24=9 Exploring Operation: 33-23=10, Resulting Numbers: [17, 24, 10] Generated Node #0,1: 16:[17, 24, 10] Operation: 33-23=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[17, 23, 9], Operations: ['33-24=9'] Exploring Operation: 23-17=6, Resulting Numbers: [9, 6] Generated Node #0,0,0: 16:[9, 6] Operation: 23-17=6 Exploring Operation: 23-9=14, Resulting Numbers: [17, 14] Generated Node #0,0,1: 16:[17, 14] Operation: 23-9=14 Moving to Node #0,0,0 Current State: 16:[9, 6], Operations: ['33-24=9', '23-17=6'] Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,16 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[17, 14], Operations: ['33-24=9', '23-9=14'] Exploring Operation: 17+14=31, Resulting Numbers: [31] 31,16 unequal: No Solution Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[17, 24, 10], Operations: ['33-23=10'] Exploring Operation: 24-17=7, Resulting Numbers: [10, 7] Generated Node #0,1,0: 16:[10, 7] Operation: 24-17=7 Exploring Operation: 24-10=14, Resulting Numbers: [17, 14] Generated Node #0,1,1: 16:[17, 14] Operation: 24-10=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[10, 7], Operations: ['33-23=10', '24-17=7'] Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 16:[17, 14], Operations: ['33-23=10', '24-10=14'] Exploring Operation: 17+14=31, Resulting Numbers: [31] 31,16 unequal: No Solution Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,16 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
[ 44, 4, 78, 6 ]
48
[ "44*6=264", "4*78=312", "312-264=48" ]
Current State: 48:[44, 4, 78, 6], Operations: [] Exploring Operation: 44*6=264, Resulting Numbers: [4, 78, 264] Generated Node #2: [4, 78, 264] from Operation: 44*6=264 Current State: 48:[4, 78, 264], Operations: ['44*6=264'] Exploring Operation: 4*78=312, Resulting Numbers: [264, 312] Generated Node #3: [264, 312] from Operation: 4*78=312 Current State: 48:[264, 312], Operations: ['44*6=264', '4*78=312'] Exploring Operation: 312-264=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[44, 4, 78, 6], Operations: [] Exploring Operation: 44+4=48, Resulting Numbers: [78, 6, 48] Generated Node #0,0: 48:[78, 6, 48] Operation: 44+4=48 Exploring Operation: 78-6=72, Resulting Numbers: [44, 4, 72] Generated Node #0,1: 48:[44, 4, 72] Operation: 78-6=72 Exploring Operation: 78-44=34, Resulting Numbers: [4, 6, 34] Generated Node #0,2: 48:[4, 6, 34] Operation: 78-44=34 Exploring Operation: 78/6=13, Resulting Numbers: [44, 4, 13] Generated Node #0,3: 48:[44, 4, 13] Operation: 78/6=13 Moving to Node #0,3 Current State: 48:[44, 4, 13], Operations: ['78/6=13'] Exploring Operation: 4+13=17, Resulting Numbers: [44, 17] Generated Node #0,3,0: 48:[44, 17] Operation: 4+13=17 Exploring Operation: 44/4=11, Resulting Numbers: [13, 11] Generated Node #0,3,1: 48:[13, 11] Operation: 44/4=11 Exploring Operation: 44+4=48, Resulting Numbers: [13, 48] Generated Node #0,3,2: 48:[13, 48] Operation: 44+4=48 Exploring Operation: 13-4=9, Resulting Numbers: [44, 9] Generated Node #0,3,3: 48:[44, 9] Operation: 13-4=9 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 48:[13, 48], Operations: ['78/6=13', '44+4=48'] Exploring Operation: 13+48=61, Resulting Numbers: [61] 61,48 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,48 unequal: No Solution Exploring Operation: 13*48=624, Resulting Numbers: [624] 624,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 48:[13, 11], Operations: ['78/6=13', '44/4=11'] Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,48 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 48:[44, 17], Operations: ['78/6=13', '4+13=17'] Exploring Operation: 44+17=61, Resulting Numbers: [61] 61,48 unequal: No Solution Exploring Operation: 44*17=748, Resulting Numbers: [748] 748,48 unequal: No Solution Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 48:[44, 9], Operations: ['78/6=13', '13-4=9'] Exploring Operation: 44+9=53, Resulting Numbers: [53] 53,48 unequal: No Solution Exploring Operation: 44*9=396, Resulting Numbers: [396] 396,48 unequal: No Solution Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 48:[4, 6, 34], Operations: ['78-44=34'] Exploring Operation: 34-4=30, Resulting Numbers: [6, 30] Generated Node #0,2,0: 48:[6, 30] Operation: 34-4=30 Exploring Operation: 34-6=28, Resulting Numbers: [4, 28] Generated Node #0,2,1: 48:[4, 28] Operation: 34-6=28 Exploring Operation: 6+34=40, Resulting Numbers: [4, 40] Generated Node #0,2,2: 48:[4, 40] Operation: 6+34=40 Exploring Operation: 4*6=24, Resulting Numbers: [34, 24] Generated Node #0,2,3: 48:[34, 24] Operation: 4*6=24 Moving to Node #0,1 Current State: 48:[44, 4, 72], Operations: ['78-6=72'] Exploring Operation: 44+4=48, Resulting Numbers: [72, 48] Generated Node #0,1,0: 48:[72, 48] Operation: 44+4=48 Exploring Operation: 72-4=68, Resulting Numbers: [44, 68] Generated Node #0,1,1: 48:[44, 68] Operation: 72-4=68 Exploring Operation: 72/4=18, Resulting Numbers: [44, 18] Generated Node #0,1,2: 48:[44, 18] Operation: 72/4=18 Exploring Operation: 72-44=28, Resulting Numbers: [4, 28] Generated Node #0,1,3: 48:[4, 28] Operation: 72-44=28 Moving to Node #0,0 Current State: 48:[78, 6, 48], Operations: ['44+4=48'] Exploring Operation: 78/6=13, Resulting Numbers: [48, 13] Generated Node #0,0,0: 48:[48, 13] Operation: 78/6=13 Exploring Operation: 48/6=8, Resulting Numbers: [78, 8] Generated Node #0,0,1: 48:[78, 8] Operation: 48/6=8 Exploring Operation: 78-6=72, Resulting Numbers: [48, 72] Generated Node #0,0,2: 48:[48, 72] Operation: 78-6=72 Exploring Operation: 78-48=30, Resulting Numbers: [6, 30] Generated Node #0,0,3: 48:[6, 30] Operation: 78-48=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[48, 13], Operations: ['44+4=48', '78/6=13'] Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,48 unequal: No Solution Exploring Operation: 48+13=61, Resulting Numbers: [61] 61,48 unequal: No Solution Exploring Operation: 48*13=624, Resulting Numbers: [624] 624,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 48:[6, 30], Operations: ['44+4=48', '78-48=30'] Exploring Operation: 6*30=180, Resulting Numbers: [180] 180,48 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,48 unequal: No Solution Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 48:[48, 72], Operations: ['44+4=48', '78-6=72'] Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 48*72=3456, Resulting Numbers: [3456] 3456,48 unequal: No Solution Exploring Operation: 48+72=120, Resulting Numbers: [120] 120,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[78, 8], Operations: ['44+4=48', '48/6=8'] Exploring Operation: 78+8=86, Resulting Numbers: [86] 86,48 unequal: No Solution Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,48 unequal: No Solution Exploring Operation: 78*8=624, Resulting Numbers: [624] 624,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 48:[4, 28], Operations: ['78-44=34', '34-6=28'] Exploring Operation: 4*28=112, Resulting Numbers: [112] 112,48 unequal: No Solution Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,48 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,48 unequal: No Solution Moving to Node #0,1,3 Current State: 48:[4, 28], Operations: ['78-6=72', '72-44=28'] Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 4*28=112, Resulting Numbers: [112] 112,48 unequal: No Solution Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[44, 18], Operations: ['78-6=72', '72/4=18'] Exploring Operation: 44+18=62, Resulting Numbers: [62] 62,48 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 44*18=792, Resulting Numbers: [792] 792,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[6, 30], Operations: ['78-44=34', '34-4=30'] Exploring Operation: 6*30=180, Resulting Numbers: [180] 180,48 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,48 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[4, 40], Operations: ['78-44=34', '6+34=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,48 unequal: No Solution Exploring Operation: 4*40=160, Resulting Numbers: [160] 160,48 unequal: No Solution Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,48 unequal: No Solution Moving to Node #0,2,3 Current State: 48:[34, 24], Operations: ['78-44=34', '4*6=24'] Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,48 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,48 unequal: No Solution Exploring Operation: 34*24=816, Resulting Numbers: [816] 816,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[72, 48], Operations: ['78-6=72', '44+4=48'] Exploring Operation: 72+48=120, Resulting Numbers: [120] 120,48 unequal: No Solution Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 72*48=3456, Resulting Numbers: [3456] 3456,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[44, 68], Operations: ['78-6=72', '72-4=68'] Exploring Operation: 44+68=112, Resulting Numbers: [112] 112,48 unequal: No Solution Exploring Operation: 44*68=2992, Resulting Numbers: [2992] 2992,48 unequal: No Solution Exploring Operation: 68-44=24, Resulting Numbers: [24] 24,48 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 83, 59, 27, 21 ]
81
[ "83-59=24", "24-21=3", "27*3=81" ]
Current State: 81:[83, 59, 27, 21], Operations: [] Exploring Operation: 83-59=24, Resulting Numbers: [27, 21, 24] Generated Node #2: [27, 21, 24] from Operation: 83-59=24 Current State: 81:[27, 21, 24], Operations: ['83-59=24'] Exploring Operation: 24-21=3, Resulting Numbers: [27, 3] Generated Node #3: [27, 3] from Operation: 24-21=3 Current State: 81:[27, 3], Operations: ['83-59=24', '24-21=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[83, 59, 27, 21], Operations: [] Exploring Operation: 83-59=24, Resulting Numbers: [27, 21, 24] Generated Node #0,0: 81:[27, 21, 24] Operation: 83-59=24 Exploring Operation: 59+21=80, Resulting Numbers: [83, 27, 80] Generated Node #0,1: 81:[83, 27, 80] Operation: 59+21=80 Moving to Node #0,1 Current State: 81:[83, 27, 80], Operations: ['59+21=80'] Exploring Operation: 83-80=3, Resulting Numbers: [27, 3] Generated Node #0,1,0: 81:[27, 3] Operation: 83-80=3 Exploring Operation: 83-27=56, Resulting Numbers: [80, 56] Generated Node #0,1,1: 81:[80, 56] Operation: 83-27=56 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[27, 3], Operations: ['59+21=80', '83-80=3'] Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[83, 59, 27, 21], Operations: [] Exploring Operation: 59+21=80, Resulting Numbers: [83, 27, 80] Generated Node #0,1: 81:[83, 27, 80] Operation: 59+21=80 Moving to Node #0,1 Current State: 81:[83, 27, 80], Operations: ['59+21=80'] Exploring Operation: 83-80=3, Resulting Numbers: [27, 3] Generated Node #0,1,0: 81:[27, 3] Operation: 83-80=3 Moving to Node #0,1,0 Current State: 81:[27, 3], Operations: ['59+21=80', '83-80=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 73, 25, 30, 17 ]
28
[ "73+17=90", "90/30=3", "25+3=28" ]
Current State: 28:[73, 25, 30, 17], Operations: [] Exploring Operation: 73+17=90, Resulting Numbers: [25, 30, 90] Generated Node #2: [25, 30, 90] from Operation: 73+17=90 Current State: 28:[25, 30, 90], Operations: ['73+17=90'] Exploring Operation: 90/30=3, Resulting Numbers: [25, 3] Generated Node #3: [25, 3] from Operation: 90/30=3 Current State: 28:[25, 3], Operations: ['73+17=90', '90/30=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[73, 25, 30, 17], Operations: [] Exploring Operation: 73-25=48, Resulting Numbers: [30, 17, 48] Generated Node #0,0: 28:[30, 17, 48] Operation: 73-25=48 Exploring Operation: 73-30=43, Resulting Numbers: [25, 17, 43] Generated Node #0,1: 28:[25, 17, 43] Operation: 73-30=43 Moving to Node #0,1 Current State: 28:[25, 17, 43], Operations: ['73-30=43'] Exploring Operation: 43-25=18, Resulting Numbers: [17, 18] Generated Node #0,1,0: 28:[17, 18] Operation: 43-25=18 Exploring Operation: 43-17=26, Resulting Numbers: [25, 26] Generated Node #0,1,1: 28:[25, 26] Operation: 43-17=26 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[25, 26], Operations: ['73-30=43', '43-17=26'] Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 25+26=51, Resulting Numbers: [51] 51,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[17, 18], Operations: ['73-30=43', '43-25=18'] Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 17+18=35, Resulting Numbers: [35] 35,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 28:[30, 17, 48], Operations: ['73-25=48'] Exploring Operation: 48-30=18, Resulting Numbers: [17, 18] Generated Node #0,0,0: 28:[17, 18] Operation: 48-30=18 Exploring Operation: 48-17=31, Resulting Numbers: [30, 31] Generated Node #0,0,1: 28:[30, 31] Operation: 48-17=31 Moving to Node #0,0,1 Current State: 28:[30, 31], Operations: ['73-25=48', '48-17=31'] Exploring Operation: 30+31=61, Resulting Numbers: [61] 61,28 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[17, 18], Operations: ['73-25=48', '48-30=18'] Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 17+18=35, Resulting Numbers: [35] 35,28 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 97, 3, 12, 91 ]
21
[ "97+3=100", "91-12=79", "100-79=21" ]
Current State: 21:[97, 3, 12, 91], Operations: [] Exploring Operation: 97+3=100, Resulting Numbers: [12, 91, 100] Generated Node #2: [12, 91, 100] from Operation: 97+3=100 Current State: 21:[12, 91, 100], Operations: ['97+3=100'] Exploring Operation: 91-12=79, Resulting Numbers: [100, 79] Generated Node #3: [100, 79] from Operation: 91-12=79 Current State: 21:[100, 79], Operations: ['97+3=100', '91-12=79'] Exploring Operation: 100-79=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[97, 3, 12, 91], Operations: [] Exploring Operation: 97-12=85, Resulting Numbers: [3, 91, 85] Generated Node #0,0: 21:[3, 91, 85] Operation: 97-12=85 Exploring Operation: 91-12=79, Resulting Numbers: [97, 3, 79] Generated Node #0,1: 21:[97, 3, 79] Operation: 91-12=79 Exploring Operation: 97-91=6, Resulting Numbers: [3, 12, 6] Generated Node #0,2: 21:[3, 12, 6] Operation: 97-91=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[3, 12, 6], Operations: ['97-91=6'] Exploring Operation: 12/6=2, Resulting Numbers: [3, 2] Generated Node #0,2,0: 21:[3, 2] Operation: 12/6=2 Exploring Operation: 12-6=6, Resulting Numbers: [3, 6] Generated Node #0,2,1: 21:[3, 6] Operation: 12-6=6 Exploring Operation: 12/3=4, Resulting Numbers: [6, 4] Generated Node #0,2,2: 21:[6, 4] Operation: 12/3=4 Moving to Node #0,2,0 Current State: 21:[3, 2], Operations: ['97-91=6', '12/6=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,21 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,21 unequal: No Solution Moving to Node #0,2,1 Current State: 21:[3, 6], Operations: ['97-91=6', '12-6=6'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,21 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[6, 4], Operations: ['97-91=6', '12/3=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[3, 91, 85], Operations: ['97-12=85'] Exploring Operation: 85-3=82, Resulting Numbers: [91, 82] Generated Node #0,0,0: 21:[91, 82] Operation: 85-3=82 Exploring Operation: 91-85=6, Resulting Numbers: [3, 6] Generated Node #0,0,1: 21:[3, 6] Operation: 91-85=6 Exploring Operation: 91-3=88, Resulting Numbers: [85, 88] Generated Node #0,0,2: 21:[85, 88] Operation: 91-3=88 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 21:[3, 6], Operations: ['97-12=85', '91-85=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,21 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,21 unequal: No Solution No 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: 21:[91, 82], Operations: ['97-12=85', '85-3=82'] Exploring Operation: 91*82=7462, Resulting Numbers: [7462] 7462,21 unequal: No Solution Exploring Operation: 91+82=173, Resulting Numbers: [173] 173,21 unequal: No Solution Exploring Operation: 91-82=9, Resulting Numbers: [9] 9,21 unequal: No Solution No 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: 21:[85, 88], Operations: ['97-12=85', '91-3=88'] Exploring Operation: 88-85=3, Resulting Numbers: [3] 3,21 unequal: No Solution Exploring Operation: 85+88=173, Resulting Numbers: [173] 173,21 unequal: No Solution Exploring Operation: 85*88=7480, Resulting Numbers: [7480] 7480,21 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: 21:[97, 3, 79], Operations: ['91-12=79'] Exploring Operation: 97-3=94, Resulting Numbers: [79, 94] Generated Node #0,1,0: 21:[79, 94] Operation: 97-3=94 Exploring Operation: 79-3=76, Resulting Numbers: [97, 76] Generated Node #0,1,1: 21:[97, 76] Operation: 79-3=76 Exploring Operation: 97-79=18, Resulting Numbers: [3, 18] Generated Node #0,1,2: 21:[3, 18] Operation: 97-79=18 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 21:[3, 18], Operations: ['91-12=79', '97-79=18'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[97, 3, 12, 91], Operations: [] Exploring Operation: 91-12=79, Resulting Numbers: [97, 3, 79] Generated Node #0,1: 21:[97, 3, 79] Operation: 91-12=79 Moving to Node #0,1 Current State: 21:[97, 3, 79], Operations: ['91-12=79'] Exploring Operation: 97-79=18, Resulting Numbers: [3, 18] Generated Node #0,1,2: 21:[3, 18] Operation: 97-79=18 Moving to Node #0,1,2 Current State: 21:[3, 18], Operations: ['91-12=79', '97-79=18'] Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_3
sum_heuristic
[ 30, 75, 46, 15 ]
15
[ "75-30=45", "46-45=1", "15*1=15" ]
Current State: 15:[30, 75, 46, 15], Operations: [] Exploring Operation: 75-30=45, Resulting Numbers: [46, 15, 45] Generated Node #2: [46, 15, 45] from Operation: 75-30=45 Current State: 15:[46, 15, 45], Operations: ['75-30=45'] Exploring Operation: 46-45=1, Resulting Numbers: [15, 1] Generated Node #3: [15, 1] from Operation: 46-45=1 Current State: 15:[15, 1], Operations: ['75-30=45', '46-45=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[30, 75, 46, 15], Operations: [] Exploring Operation: 75-30=45, Resulting Numbers: [46, 15, 45] Generated Node #0,0: 15:[46, 15, 45] Operation: 75-30=45 Exploring Operation: 75-46=29, Resulting Numbers: [30, 15, 29] Generated Node #0,1: 15:[30, 15, 29] Operation: 75-46=29 Exploring Operation: 46-30=16, Resulting Numbers: [75, 15, 16] Generated Node #0,2: 15:[75, 15, 16] Operation: 46-30=16 Exploring Operation: 75/15=5, Resulting Numbers: [30, 46, 5] Generated Node #0,3: 15:[30, 46, 5] Operation: 75/15=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[30, 15, 29], Operations: ['75-46=29'] Exploring Operation: 29-15=14, Resulting Numbers: [30, 14] Generated Node #0,1,0: 15:[30, 14] Operation: 29-15=14 Exploring Operation: 30/15=2, Resulting Numbers: [29, 2] Generated Node #0,1,1: 15:[29, 2] Operation: 30/15=2 Exploring Operation: 30-29=1, Resulting Numbers: [15, 1] Generated Node #0,1,2: 15:[15, 1] Operation: 30-29=1 Exploring Operation: 30-15=15, Resulting Numbers: [29, 15] Generated Node #0,1,3: 15:[29, 15] Operation: 30-15=15 Moving to Node #0,1,2 Current State: 15:[15, 1], Operations: ['75-46=29', '30-29=1'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[30, 75, 46, 15], Operations: [] Exploring Operation: 75-46=29, Resulting Numbers: [30, 15, 29] Generated Node #0,1: 15:[30, 15, 29] Operation: 75-46=29 Moving to Node #0,1 Current State: 15:[30, 15, 29], Operations: ['75-46=29'] Exploring Operation: 30-29=1, Resulting Numbers: [15, 1] Generated Node #0,1,2: 15:[15, 1] Operation: 30-29=1 Moving to Node #0,1,2 Current State: 15:[15, 1], Operations: ['75-46=29', '30-29=1'] Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 3, 58, 2, 6 ]
34
[ "2+6=8", "3*8=24", "58-24=34" ]
Current State: 34:[3, 58, 2, 6], Operations: [] Exploring Operation: 2+6=8, Resulting Numbers: [3, 58, 8] Generated Node #2: [3, 58, 8] from Operation: 2+6=8 Current State: 34:[3, 58, 8], Operations: ['2+6=8'] Exploring Operation: 3*8=24, Resulting Numbers: [58, 24] Generated Node #3: [58, 24] from Operation: 3*8=24 Current State: 34:[58, 24], Operations: ['2+6=8', '3*8=24'] Exploring Operation: 58-24=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[3, 58, 2, 6], Operations: [] Exploring Operation: 58-6=52, Resulting Numbers: [3, 2, 52] Generated Node #0,0: 34:[3, 2, 52] Operation: 58-6=52 Exploring Operation: 6/3=2, Resulting Numbers: [58, 2, 2] Generated Node #0,1: 34:[58, 2, 2] Operation: 6/3=2 Exploring Operation: 58/2=29, Resulting Numbers: [3, 6, 29] Generated Node #0,2: 34:[3, 6, 29] Operation: 58/2=29 Moving to Node #0,2 Current State: 34:[3, 6, 29], Operations: ['58/2=29'] Exploring Operation: 6/3=2, Resulting Numbers: [29, 2] Generated Node #0,2,0: 34:[29, 2] Operation: 6/3=2 Exploring Operation: 6+29=35, Resulting Numbers: [3, 35] Generated Node #0,2,1: 34:[3, 35] Operation: 6+29=35 Exploring Operation: 3*6=18, Resulting Numbers: [29, 18] Generated Node #0,2,2: 34:[29, 18] Operation: 3*6=18 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 34:[3, 35], Operations: ['58/2=29', '6+29=35'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,34 unequal: No Solution Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 3*35=105, Resulting Numbers: [105] 105,34 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 #0,2,0 Current State: 34:[29, 2], Operations: ['58/2=29', '6/3=2'] Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,34 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,34 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 #0,2,2 Current State: 34:[29, 18], Operations: ['58/2=29', '3*6=18'] Exploring Operation: 29+18=47, Resulting Numbers: [47] 47,34 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,34 unequal: No Solution Exploring Operation: 29*18=522, Resulting Numbers: [522] 522,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 34:[3, 2, 52], Operations: ['58-6=52'] Exploring Operation: 52/2=26, Resulting Numbers: [3, 26] Generated Node #0,0,0: 34:[3, 26] Operation: 52/2=26 Exploring Operation: 52-3=49, Resulting Numbers: [2, 49] Generated Node #0,0,1: 34:[2, 49] Operation: 52-3=49 Exploring Operation: 52-2=50, Resulting Numbers: [3, 50] Generated Node #0,0,2: 34:[3, 50] Operation: 52-2=50 Moving to Node #0,1 Current State: 34:[58, 2, 2], Operations: ['6/3=2'] Exploring Operation: 58/2=29, Resulting Numbers: [2, 29] Generated Node #0,1,0: 34:[2, 29] Operation: 58/2=29 Exploring Operation: 58/2=29, Resulting Numbers: [2, 29] Generated Node #0,1,1: 34:[2, 29] Operation: 58/2=29 Exploring Operation: 58-2=56, Resulting Numbers: [2, 56] Generated Node #0,1,2: 34:[2, 56] Operation: 58-2=56 Moving to Node #0,1,0 Current State: 34:[2, 29], Operations: ['6/3=2', '58/2=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,34 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,34 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[2, 29], Operations: ['6/3=2', '58/2=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,34 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[3, 26], Operations: ['58-6=52', '52/2=26'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,34 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[2, 49], Operations: ['58-6=52', '52-3=49'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,34 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,34 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[3, 50], Operations: ['58-6=52', '52-2=50'] Exploring Operation: 3*50=150, Resulting Numbers: [150] 150,34 unequal: No Solution Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[2, 56], Operations: ['6/3=2', '58-2=56'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,34 unequal: No Solution Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,34 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,34 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 60, 94, 98, 4 ]
68
[ "94-60=34", "98+4=102", "102-34=68" ]
Current State: 68:[60, 94, 98, 4], Operations: [] Exploring Operation: 94-60=34, Resulting Numbers: [98, 4, 34] Generated Node #2: [98, 4, 34] from Operation: 94-60=34 Current State: 68:[98, 4, 34], Operations: ['94-60=34'] Exploring Operation: 98+4=102, Resulting Numbers: [34, 102] Generated Node #3: [34, 102] from Operation: 98+4=102 Current State: 68:[34, 102], Operations: ['94-60=34', '98+4=102'] Exploring Operation: 102-34=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[60, 94, 98, 4], Operations: [] Exploring Operation: 98-60=38, Resulting Numbers: [94, 4, 38] Generated Node #0,0: 68:[94, 4, 38] Operation: 98-60=38 Exploring Operation: 98-94=4, Resulting Numbers: [60, 4, 4] Generated Node #0,1: 68:[60, 4, 4] Operation: 98-94=4 Exploring Operation: 94-60=34, Resulting Numbers: [98, 4, 34] Generated Node #0,2: 68:[98, 4, 34] Operation: 94-60=34 Moving to Node #0,1 Current State: 68:[60, 4, 4], Operations: ['98-94=4'] Exploring Operation: 60+4=64, Resulting Numbers: [4, 64] Generated Node #0,1,0: 68:[4, 64] Operation: 60+4=64 Exploring Operation: 60/4=15, Resulting Numbers: [4, 15] Generated Node #0,1,1: 68:[4, 15] Operation: 60/4=15 Exploring Operation: 60/4=15, Resulting Numbers: [4, 15] Generated Node #0,1,2: 68:[4, 15] Operation: 60/4=15 Moving to Node #0,0 Current State: 68:[94, 4, 38], Operations: ['98-60=38'] Exploring Operation: 38-4=34, Resulting Numbers: [94, 34] Generated Node #0,0,0: 68:[94, 34] Operation: 38-4=34 Exploring Operation: 94-4=90, Resulting Numbers: [38, 90] Generated Node #0,0,1: 68:[38, 90] Operation: 94-4=90 Exploring Operation: 94-38=56, Resulting Numbers: [4, 56] Generated Node #0,0,2: 68:[4, 56] Operation: 94-38=56 Moving to Node #0,2 Current State: 68:[98, 4, 34], Operations: ['94-60=34'] Exploring Operation: 98-34=64, Resulting Numbers: [4, 64] Generated Node #0,2,0: 68:[4, 64] Operation: 98-34=64 Exploring Operation: 98-4=94, Resulting Numbers: [34, 94] Generated Node #0,2,1: 68:[34, 94] Operation: 98-4=94 Exploring Operation: 98+4=102, Resulting Numbers: [34, 102] Generated Node #0,2,2: 68:[34, 102] Operation: 98+4=102 Moving to Node #0,1,1 Current State: 68:[4, 15], Operations: ['98-94=4', '60/4=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,68 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[4, 15], Operations: ['98-94=4', '60/4=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[4, 64], Operations: ['98-94=4', '60+4=64'] Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[60, 94, 98, 4], Operations: [] Exploring Operation: 98-94=4, Resulting Numbers: [60, 4, 4] Generated Node #0,1: 68:[60, 4, 4] Operation: 98-94=4 Moving to Node #0,1 Current State: 68:[60, 4, 4], Operations: ['98-94=4'] Exploring Operation: 60+4=64, Resulting Numbers: [4, 64] Generated Node #0,1,0: 68:[4, 64] Operation: 60+4=64 Moving to Node #0,1,0 Current State: 68:[4, 64], Operations: ['98-94=4', '60+4=64'] Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.980035
hs_3
sum_heuristic
[ 41, 21, 2, 10 ]
83
[ "41-10=31", "2*31=62", "21+62=83" ]
Current State: 83:[41, 21, 2, 10], Operations: [] Exploring Operation: 41-10=31, Resulting Numbers: [21, 2, 31] Generated Node #2: [21, 2, 31] from Operation: 41-10=31 Current State: 83:[21, 2, 31], Operations: ['41-10=31'] Exploring Operation: 2*31=62, Resulting Numbers: [21, 62] Generated Node #3: [21, 62] from Operation: 2*31=62 Current State: 83:[21, 62], Operations: ['41-10=31', '2*31=62'] Exploring Operation: 21+62=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[41, 21, 2, 10], Operations: [] Exploring Operation: 2*10=20, Resulting Numbers: [41, 21, 20] Generated Node #0,0: 83:[41, 21, 20] Operation: 2*10=20 Exploring Operation: 41*2=82, Resulting Numbers: [21, 10, 82] Generated Node #0,1: 83:[21, 10, 82] Operation: 41*2=82 Exploring Operation: 41+21=62, Resulting Numbers: [2, 10, 62] Generated Node #0,2: 83:[2, 10, 62] Operation: 41+21=62 Exploring Operation: 21*2=42, Resulting Numbers: [41, 10, 42] Generated Node #0,3: 83:[41, 10, 42] Operation: 21*2=42 Exploring Operation: 41+2=43, Resulting Numbers: [21, 10, 43] Generated Node #0,4: 83:[21, 10, 43] Operation: 41+2=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[21, 10, 82], Operations: ['41*2=82'] Exploring Operation: 21+82=103, Resulting Numbers: [10, 103] Generated Node #0,1,0: 83:[10, 103] Operation: 21+82=103 Exploring Operation: 10+82=92, Resulting Numbers: [21, 92] Generated Node #0,1,1: 83:[21, 92] Operation: 10+82=92 Exploring Operation: 21-10=11, Resulting Numbers: [82, 11] Generated Node #0,1,2: 83:[82, 11] Operation: 21-10=11 Exploring Operation: 82-10=72, Resulting Numbers: [21, 72] Generated Node #0,1,3: 83:[21, 72] Operation: 82-10=72 Exploring Operation: 21+10=31, Resulting Numbers: [82, 31] Generated Node #0,1,4: 83:[82, 31] Operation: 21+10=31 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 83:[82, 31], Operations: ['41*2=82', '21+10=31'] Exploring Operation: 82+31=113, Resulting Numbers: [113] 113,83 unequal: No Solution Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,83 unequal: No Solution Exploring Operation: 82*31=2542, Resulting Numbers: [2542] 2542,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 83:[21, 92], Operations: ['41*2=82', '10+82=92'] Exploring Operation: 21+92=113, Resulting Numbers: [113] 113,83 unequal: No Solution Exploring Operation: 21*92=1932, Resulting Numbers: [1932] 1932,83 unequal: No Solution Exploring Operation: 92-21=71, Resulting Numbers: [71] 71,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 83:[82, 11], Operations: ['41*2=82', '21-10=11'] Exploring Operation: 82+11=93, Resulting Numbers: [93] 93,83 unequal: No Solution Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,83 unequal: No Solution Exploring Operation: 82*11=902, Resulting Numbers: [902] 902,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 83:[21, 72], Operations: ['41*2=82', '82-10=72'] Exploring Operation: 21+72=93, Resulting Numbers: [93] 93,83 unequal: No Solution Exploring Operation: 72-21=51, Resulting Numbers: [51] 51,83 unequal: No Solution Exploring Operation: 21*72=1512, Resulting Numbers: [1512] 1512,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[10, 103], Operations: ['41*2=82', '21+82=103'] Exploring Operation: 10*103=1030, Resulting Numbers: [1030] 1030,83 unequal: No Solution Exploring Operation: 103-10=93, Resulting Numbers: [93] 93,83 unequal: No Solution Exploring Operation: 10+103=113, Resulting Numbers: [113] 113,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[41, 10, 42], Operations: ['21*2=42'] Exploring Operation: 10+42=52, Resulting Numbers: [41, 52] Generated Node #0,3,0: 83:[41, 52] Operation: 10+42=52 Exploring Operation: 42-10=32, Resulting Numbers: [41, 32] Generated Node #0,3,1: 83:[41, 32] Operation: 42-10=32 Exploring Operation: 41+42=83, Resulting Numbers: [10, 83] Generated Node #0,3,2: 83:[10, 83] Operation: 41+42=83 Exploring Operation: 41+10=51, Resulting Numbers: [42, 51] Generated Node #0,3,3: 83:[42, 51] Operation: 41+10=51 Exploring Operation: 41-10=31, Resulting Numbers: [42, 31] Generated Node #0,3,4: 83:[42, 31] Operation: 41-10=31 Moving to Node #0,3,0 Current State: 83:[41, 52], Operations: ['21*2=42', '10+42=52'] Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,83 unequal: No Solution Exploring Operation: 41*52=2132, Resulting Numbers: [2132] 2132,83 unequal: No Solution Exploring Operation: 41+52=93, Resulting Numbers: [93] 93,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[42, 51], Operations: ['21*2=42', '41+10=51'] Exploring Operation: 42*51=2142, Resulting Numbers: [2142] 2142,83 unequal: No Solution Exploring Operation: 42+51=93, Resulting Numbers: [93] 93,83 unequal: No Solution Exploring Operation: 51-42=9, Resulting Numbers: [9] 9,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[10, 83], Operations: ['21*2=42', '41+42=83'] Exploring Operation: 10+83=93, Resulting Numbers: [93] 93,83 unequal: No Solution Exploring Operation: 83-10=73, Resulting Numbers: [73] 73,83 unequal: No Solution Exploring Operation: 10*83=830, Resulting Numbers: [830] 830,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[41, 32], Operations: ['21*2=42', '42-10=32'] Exploring Operation: 41+32=73, Resulting Numbers: [73] 73,83 unequal: No Solution Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,83 unequal: No Solution Exploring Operation: 41*32=1312, Resulting Numbers: [1312] 1312,83 unequal: No Solution Moving to Node #0,3,4 Current State: 83:[42, 31], Operations: ['21*2=42', '41-10=31'] Exploring Operation: 42*31=1302, Resulting Numbers: [1302] 1302,83 unequal: No Solution Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,83 unequal: No Solution Exploring Operation: 42+31=73, Resulting Numbers: [73] 73,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[41, 21, 20], Operations: ['2*10=20'] Exploring Operation: 41+20=61, Resulting Numbers: [21, 61] Generated Node #0,0,0: 83:[21, 61] Operation: 41+20=61 Exploring Operation: 21-20=1, Resulting Numbers: [41, 1] Generated Node #0,0,1: 83:[41, 1] Operation: 21-20=1 Exploring Operation: 21+20=41, Resulting Numbers: [41, 41] Generated Node #0,0,2: 83:[41, 41] Operation: 21+20=41 Exploring Operation: 41+21=62, Resulting Numbers: [20, 62] Generated Node #0,0,3: 83:[20, 62] Operation: 41+21=62 Exploring Operation: 41-20=21, Resulting Numbers: [21, 21] Generated Node #0,0,4: 83:[21, 21] Operation: 41-20=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[21, 61], Operations: ['2*10=20', '41+20=61'] Exploring Operation: 21+61=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,83 unequal: No Solution Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,83 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 #0,0,2 Current State: 83:[41, 41], Operations: ['2*10=20', '21+20=41'] Exploring Operation: 41+41=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 41-41=0, Resulting Numbers: [0] 0,83 unequal: No Solution Exploring Operation: 41/41=1, Resulting Numbers: [1] 1,83 unequal: No Solution Exploring Operation: 41*41=1681, Resulting Numbers: [1681] 1681,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 83:[20, 62], Operations: ['2*10=20', '41+21=62'] Exploring Operation: 20+62=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 20*62=1240, Resulting Numbers: [1240] 1240,83 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,83 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:[41, 1], Operations: ['2*10=20', '21-20=1'] Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,83 unequal: No Solution Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,83 unequal: No Solution Exploring Operation: 41*1=41, Resulting Numbers: [41] 41,83 unequal: No Solution Exploring Operation: 41+1=42, Resulting Numbers: [42] 42,83 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 #0,0,4 Current State: 83:[21, 21], Operations: ['2*10=20', '41-20=21'] Exploring Operation: 21-21=0, Resulting Numbers: [0] 0,83 unequal: No Solution Exploring Operation: 21/21=1, Resulting Numbers: [1] 1,83 unequal: No Solution Exploring Operation: 21*21=441, Resulting Numbers: [441] 441,83 unequal: No Solution Exploring Operation: 21+21=42, Resulting Numbers: [42] 42,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[2, 10, 62], Operations: ['41+21=62'] Exploring Operation: 2+62=64, Resulting Numbers: [10, 64] Generated Node #0,2,0: 83:[10, 64] Operation: 2+62=64 Exploring Operation: 2*10=20, Resulting Numbers: [62, 20] Generated Node #0,2,1: 83:[62, 20] Operation: 2*10=20 Exploring Operation: 2+10=12, Resulting Numbers: [62, 12] Generated Node #0,2,2: 83:[62, 12] Operation: 2+10=12 Exploring Operation: 10-2=8, Resulting Numbers: [62, 8] Generated Node #0,2,3: 83:[62, 8] Operation: 10-2=8 Exploring Operation: 10+62=72, Resulting Numbers: [2, 72] Generated Node #0,2,4: 83:[2, 72] Operation: 10+62=72 Moving to Node #0,2,1 Current State: 83:[62, 20], Operations: ['41+21=62', '2*10=20'] Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,83 unequal: No Solution Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[62, 12], Operations: ['41+21=62', '2+10=12'] Exploring Operation: 62+12=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,83 unequal: No Solution Exploring Operation: 62*12=744, Resulting Numbers: [744] 744,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[10, 64], Operations: ['41+21=62', '2+62=64'] Exploring Operation: 10+64=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 10*64=640, Resulting Numbers: [640] 640,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[2, 72], Operations: ['41+21=62', '10+62=72'] Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 2*72=144, Resulting Numbers: [144] 144,83 unequal: No Solution Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[62, 8], Operations: ['41+21=62', '10-2=8'] Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,83 unequal: No Solution Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,83 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 Current State: 83:[21, 10, 43], Operations: ['41+2=43'] Exploring Operation: 21+10=31, Resulting Numbers: [43, 31] Generated Node #0,4,0: 83:[43, 31] Operation: 21+10=31 Exploring Operation: 43-10=33, Resulting Numbers: [21, 33] Generated Node #0,4,1: 83:[21, 33] Operation: 43-10=33 Exploring Operation: 21-10=11, Resulting Numbers: [43, 11] Generated Node #0,4,2: 83:[43, 11] Operation: 21-10=11 Exploring Operation: 21+43=64, Resulting Numbers: [10, 64] Generated Node #0,4,3: 83:[10, 64] Operation: 21+43=64 Exploring Operation: 10+43=53, Resulting Numbers: [21, 53] Generated Node #0,4,4: 83:[21, 53] Operation: 10+43=53 Moving to Node #0,4,0 Current State: 83:[43, 31], Operations: ['41+2=43', '21+10=31'] Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,83 unequal: No Solution Exploring Operation: 43+31=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 43*31=1333, Resulting Numbers: [1333] 1333,83 unequal: No Solution Moving to Node #0,4,4 Current State: 83:[21, 53], Operations: ['41+2=43', '10+43=53'] Exploring Operation: 21*53=1113, Resulting Numbers: [1113] 1113,83 unequal: No Solution Exploring Operation: 21+53=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,83 unequal: No Solution Moving to Node #0,4,3 Current State: 83:[10, 64], Operations: ['41+2=43', '21+43=64'] Exploring Operation: 10+64=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 10*64=640, Resulting Numbers: [640] 640,83 unequal: No Solution Moving to Node #0,4,1 Current State: 83:[21, 33], Operations: ['41+2=43', '43-10=33'] Exploring Operation: 21+33=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 21*33=693, Resulting Numbers: [693] 693,83 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,83 unequal: No Solution Moving to Node #0,4,2 Current State: 83:[43, 11], Operations: ['41+2=43', '21-10=11'] Exploring Operation: 43*11=473, Resulting Numbers: [473] 473,83 unequal: No Solution Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,83 unequal: No Solution Exploring Operation: 43+11=54, Resulting Numbers: [54] 54,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 48, 10, 18, 22 ]
78
[ "48-10=38", "18+22=40", "38+40=78" ]
Current State: 78:[48, 10, 18, 22], Operations: [] Exploring Operation: 48-10=38, Resulting Numbers: [18, 22, 38] Generated Node #2: [18, 22, 38] from Operation: 48-10=38 Current State: 78:[18, 22, 38], Operations: ['48-10=38'] Exploring Operation: 18+22=40, Resulting Numbers: [38, 40] Generated Node #3: [38, 40] from Operation: 18+22=40 Current State: 78:[38, 40], Operations: ['48-10=38', '18+22=40'] Exploring Operation: 38+40=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[48, 10, 18, 22], Operations: [] Exploring Operation: 48-22=26, Resulting Numbers: [10, 18, 26] Generated Node #0,0: 78:[10, 18, 26] Operation: 48-22=26 Exploring Operation: 18+22=40, Resulting Numbers: [48, 10, 40] Generated Node #0,1: 78:[48, 10, 40] Operation: 18+22=40 Exploring Operation: 48-10=38, Resulting Numbers: [18, 22, 38] Generated Node #0,2: 78:[18, 22, 38] Operation: 48-10=38 Exploring Operation: 48-18=30, Resulting Numbers: [10, 22, 30] Generated Node #0,3: 78:[10, 22, 30] Operation: 48-18=30 Moving to Node #0,0 Current State: 78:[10, 18, 26], Operations: ['48-22=26'] Exploring Operation: 26-18=8, Resulting Numbers: [10, 8] Generated Node #0,0,0: 78:[10, 8] Operation: 26-18=8 Exploring Operation: 18-10=8, Resulting Numbers: [26, 8] Generated Node #0,0,1: 78:[26, 8] Operation: 18-10=8 Exploring Operation: 10+26=36, Resulting Numbers: [18, 36] Generated Node #0,0,2: 78:[18, 36] Operation: 10+26=36 Exploring Operation: 10+18=28, Resulting Numbers: [26, 28] Generated Node #0,0,3: 78:[26, 28] Operation: 10+18=28 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 78:[26, 8], Operations: ['48-22=26', '18-10=8'] Exploring Operation: 26*8=208, Resulting Numbers: [208] 208,78 unequal: No Solution Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,78 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 #0,0,3 Current State: 78:[26, 28], Operations: ['48-22=26', '10+18=28'] Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,78 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,78 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:[10, 8], Operations: ['48-22=26', '26-18=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,78 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,78 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 #0,0,2 Current State: 78:[18, 36], Operations: ['48-22=26', '10+26=36'] Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,78 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,78 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,78 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 78:[18, 22, 38], Operations: ['48-10=38'] Exploring Operation: 38-22=16, Resulting Numbers: [18, 16] Generated Node #0,2,0: 78:[18, 16] Operation: 38-22=16 Exploring Operation: 18+22=40, Resulting Numbers: [38, 40] Generated Node #0,2,1: 78:[38, 40] Operation: 18+22=40 Exploring Operation: 22-18=4, Resulting Numbers: [38, 4] Generated Node #0,2,2: 78:[38, 4] Operation: 22-18=4 Exploring Operation: 38-18=20, Resulting Numbers: [22, 20] Generated Node #0,2,3: 78:[22, 20] Operation: 38-18=20 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 78:[38, 40], Operations: ['48-10=38', '18+22=40'] Exploring Operation: 38+40=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[48, 10, 18, 22], Operations: [] Exploring Operation: 48-10=38, Resulting Numbers: [18, 22, 38] Generated Node #0,2: 78:[18, 22, 38] Operation: 48-10=38 Moving to Node #0,2 Current State: 78:[18, 22, 38], Operations: ['48-10=38'] Exploring Operation: 18+22=40, Resulting Numbers: [38, 40] Generated Node #0,2,1: 78:[38, 40] Operation: 18+22=40 Moving to Node #0,2,1 Current State: 78:[38, 40], Operations: ['48-10=38', '18+22=40'] Exploring Operation: 38+40=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 3, 83, 23, 46 ]
84
[ "3+83=86", "46/23=2", "86-2=84" ]
Current State: 84:[3, 83, 23, 46], Operations: [] Exploring Operation: 3+83=86, Resulting Numbers: [23, 46, 86] Generated Node #2: [23, 46, 86] from Operation: 3+83=86 Current State: 84:[23, 46, 86], Operations: ['3+83=86'] Exploring Operation: 46/23=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 46/23=2 Current State: 84:[86, 2], Operations: ['3+83=86', '46/23=2'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[3, 83, 23, 46], Operations: [] Exploring Operation: 46-3=43, Resulting Numbers: [83, 23, 43] Generated Node #0,0: 84:[83, 23, 43] Operation: 46-3=43 Exploring Operation: 23-3=20, Resulting Numbers: [83, 46, 20] Generated Node #0,1: 84:[83, 46, 20] Operation: 23-3=20 Exploring Operation: 46/23=2, Resulting Numbers: [3, 83, 2] Generated Node #0,2: 84:[3, 83, 2] Operation: 46/23=2 Exploring Operation: 46-23=23, Resulting Numbers: [3, 83, 23] Generated Node #0,3: 84:[3, 83, 23] Operation: 46-23=23 Moving to Node #0,2 Current State: 84:[3, 83, 2], Operations: ['46/23=2'] Exploring Operation: 3+2=5, Resulting Numbers: [83, 5] Generated Node #0,2,0: 84:[83, 5] Operation: 3+2=5 Exploring Operation: 83+2=85, Resulting Numbers: [3, 85] Generated Node #0,2,1: 84:[3, 85] Operation: 83+2=85 Exploring Operation: 3*2=6, Resulting Numbers: [83, 6] Generated Node #0,2,2: 84:[83, 6] Operation: 3*2=6 Exploring Operation: 3+83=86, Resulting Numbers: [2, 86] Generated Node #0,2,3: 84:[2, 86] Operation: 3+83=86 Moving to Node #0,3 Current State: 84:[3, 83, 23], Operations: ['46-23=23'] Exploring Operation: 3+23=26, Resulting Numbers: [83, 26] Generated Node #0,3,0: 84:[83, 26] Operation: 3+23=26 Exploring Operation: 83-3=80, Resulting Numbers: [23, 80] Generated Node #0,3,1: 84:[23, 80] Operation: 83-3=80 Exploring Operation: 3+83=86, Resulting Numbers: [23, 86] Generated Node #0,3,2: 84:[23, 86] Operation: 3+83=86 Exploring Operation: 23-3=20, Resulting Numbers: [83, 20] Generated Node #0,3,3: 84:[83, 20] Operation: 23-3=20 Moving to Node #0,0 Current State: 84:[83, 23, 43], Operations: ['46-3=43'] Exploring Operation: 43-23=20, Resulting Numbers: [83, 20] Generated Node #0,0,0: 84:[83, 20] Operation: 43-23=20 Exploring Operation: 23+43=66, Resulting Numbers: [83, 66] Generated Node #0,0,1: 84:[83, 66] Operation: 23+43=66 Exploring Operation: 83-23=60, Resulting Numbers: [43, 60] Generated Node #0,0,2: 84:[43, 60] Operation: 83-23=60 Exploring Operation: 83-43=40, Resulting Numbers: [23, 40] Generated Node #0,0,3: 84:[23, 40] Operation: 83-43=40 Moving to Node #0,1 Current State: 84:[83, 46, 20], Operations: ['23-3=20'] Exploring Operation: 46+20=66, Resulting Numbers: [83, 66] Generated Node #0,1,0: 84:[83, 66] Operation: 46+20=66 Exploring Operation: 83+20=103, Resulting Numbers: [46, 103] Generated Node #0,1,1: 84:[46, 103] Operation: 83+20=103 Exploring Operation: 46-20=26, Resulting Numbers: [83, 26] Generated Node #0,1,2: 84:[83, 26] Operation: 46-20=26 Exploring Operation: 83-46=37, Resulting Numbers: [20, 37] Generated Node #0,1,3: 84:[20, 37] Operation: 83-46=37 Moving to Node #0,2,1 Current State: 84:[3, 85], Operations: ['46/23=2', '83+2=85'] Exploring Operation: 3*85=255, Resulting Numbers: [255] 255,84 unequal: No Solution Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,84 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[83, 6], Operations: ['46/23=2', '3*2=6'] Exploring Operation: 83+6=89, Resulting Numbers: [89] 89,84 unequal: No Solution Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 83*6=498, Resulting Numbers: [498] 498,84 unequal: No Solution Moving to Node #0,2,0 Current State: 84:[83, 5], Operations: ['46/23=2', '3+2=5'] Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,84 unequal: No Solution Exploring Operation: 83*5=415, Resulting Numbers: [415] 415,84 unequal: No Solution Exploring Operation: 83+5=88, Resulting Numbers: [88] 88,84 unequal: No Solution Moving to Node #0,3,3 Current State: 84:[83, 20], Operations: ['46-23=23', '23-3=20'] Exploring Operation: 83*20=1660, Resulting Numbers: [1660] 1660,84 unequal: No Solution Exploring Operation: 83-20=63, Resulting Numbers: [63] 63,84 unequal: No Solution Exploring Operation: 83+20=103, Resulting Numbers: [103] 103,84 unequal: No Solution Moving to Node #0,2,3 Current State: 84:[2, 86], Operations: ['46/23=2', '3+83=86'] Exploring Operation: 2+86=88, Resulting Numbers: [88] 88,84 unequal: No Solution Exploring Operation: 2*86=172, Resulting Numbers: [172] 172,84 unequal: No Solution Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,84 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[3, 83, 23, 46], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [3, 83, 2] Generated Node #0,2: 84:[3, 83, 2] Operation: 46/23=2 Moving to Node #0,2 Current State: 84:[3, 83, 2], Operations: ['46/23=2'] Exploring Operation: 3+83=86, Resulting Numbers: [2, 86] Generated Node #0,2,3: 84:[2, 86] Operation: 3+83=86 Moving to Node #0,2,3 Current State: 84:[2, 86], Operations: ['46/23=2', '3+83=86'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.965278
hs_4
sum_heuristic
[ 25, 20, 95, 19 ]
95
[ "20*95=1900", "1900/25=76", "19+76=95" ]
Current State: 95:[25, 20, 95, 19], Operations: [] Exploring Operation: 20*95=1900, Resulting Numbers: [25, 19, 1900] Generated Node #2: [25, 19, 1900] from Operation: 20*95=1900 Current State: 95:[25, 19, 1900], Operations: ['20*95=1900'] Exploring Operation: 1900/25=76, Resulting Numbers: [19, 76] Generated Node #3: [19, 76] from Operation: 1900/25=76 Current State: 95:[19, 76], Operations: ['20*95=1900', '1900/25=76'] Exploring Operation: 19+76=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[25, 20, 95, 19], Operations: [] Exploring Operation: 25-20=5, Resulting Numbers: [95, 19, 5] Generated Node #0,0: 95:[95, 19, 5] Operation: 25-20=5 Moving to Node #0,0 Current State: 95:[95, 19, 5], Operations: ['25-20=5'] Exploring Operation: 95/19=5, Resulting Numbers: [5, 5] Generated Node #0,0,0: 95:[5, 5] Operation: 95/19=5 Moving to Node #0,0,0 Current State: 95:[5, 5], Operations: ['25-20=5', '95/19=5'] Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,95 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 79, 49, 8, 73 ]
98
[ "79-8=71", "73-71=2", "49*2=98" ]
Current State: 98:[79, 49, 8, 73], Operations: [] Exploring Operation: 79-8=71, Resulting Numbers: [49, 73, 71] Generated Node #2: [49, 73, 71] from Operation: 79-8=71 Current State: 98:[49, 73, 71], Operations: ['79-8=71'] Exploring Operation: 73-71=2, Resulting Numbers: [49, 2] Generated Node #3: [49, 2] from Operation: 73-71=2 Current State: 98:[49, 2], Operations: ['79-8=71', '73-71=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[79, 49, 8, 73], Operations: [] Exploring Operation: 79-73=6, Resulting Numbers: [49, 8, 6] Generated Node #0,0: 98:[49, 8, 6] Operation: 79-73=6 Moving to Node #0,0 Current State: 98:[49, 8, 6], Operations: ['79-73=6'] Exploring Operation: 8+6=14, Resulting Numbers: [49, 14] Generated Node #0,0,0: 98:[49, 14] Operation: 8+6=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[49, 14], Operations: ['79-73=6', '8+6=14'] Exploring Operation: 49+14=63, Resulting Numbers: [63] 63,98 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
[ 52, 45, 99, 2 ]
43
[ "99-52=47", "45*2=90", "90-47=43" ]
Current State: 43:[52, 45, 99, 2], Operations: [] Exploring Operation: 99-52=47, Resulting Numbers: [45, 2, 47] Generated Node #2: [45, 2, 47] from Operation: 99-52=47 Current State: 43:[45, 2, 47], Operations: ['99-52=47'] Exploring Operation: 45*2=90, Resulting Numbers: [47, 90] Generated Node #3: [47, 90] from Operation: 45*2=90 Current State: 43:[47, 90], Operations: ['99-52=47', '45*2=90'] Exploring Operation: 90-47=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[52, 45, 99, 2], Operations: [] Exploring Operation: 99-52=47, Resulting Numbers: [45, 2, 47] Generated Node #0,0: 43:[45, 2, 47] Operation: 99-52=47 Exploring Operation: 99-45=54, Resulting Numbers: [52, 2, 54] Generated Node #0,1: 43:[52, 2, 54] Operation: 99-45=54 Exploring Operation: 52-2=50, Resulting Numbers: [45, 99, 50] Generated Node #0,2: 43:[45, 99, 50] Operation: 52-2=50 Moving to Node #0,0 Current State: 43:[45, 2, 47], Operations: ['99-52=47'] Exploring Operation: 45-2=43, Resulting Numbers: [47, 43] Generated Node #0,0,0: 43:[47, 43] Operation: 45-2=43 Exploring Operation: 47-2=45, Resulting Numbers: [45, 45] Generated Node #0,0,1: 43:[45, 45] Operation: 47-2=45 Exploring Operation: 45+2=47, Resulting Numbers: [47, 47] Generated Node #0,0,2: 43:[47, 47] Operation: 45+2=47 Moving to Node #0,1 Current State: 43:[52, 2, 54], Operations: ['99-45=54'] Exploring Operation: 52+2=54, Resulting Numbers: [54, 54] Generated Node #0,1,0: 43:[54, 54] Operation: 52+2=54 Exploring Operation: 52-2=50, Resulting Numbers: [54, 50] Generated Node #0,1,1: 43:[54, 50] Operation: 52-2=50 Exploring Operation: 54-2=52, Resulting Numbers: [52, 52] Generated Node #0,1,2: 43:[52, 52] Operation: 54-2=52 Moving to Node #0,2 Current State: 43:[45, 99, 50], Operations: ['52-2=50'] Exploring Operation: 99-45=54, Resulting Numbers: [50, 54] Generated Node #0,2,0: 43:[50, 54] Operation: 99-45=54 Exploring Operation: 99-50=49, Resulting Numbers: [45, 49] Generated Node #0,2,1: 43:[45, 49] Operation: 99-50=49 Exploring Operation: 50-45=5, Resulting Numbers: [99, 5] Generated Node #0,2,2: 43:[99, 5] Operation: 50-45=5 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 43:[45, 49], Operations: ['52-2=50', '99-50=49'] Exploring Operation: 45+49=94, Resulting Numbers: [94] 94,43 unequal: No Solution Exploring Operation: 45*49=2205, Resulting Numbers: [2205] 2205,43 unequal: No Solution Exploring Operation: 49-45=4, Resulting Numbers: [4] 4,43 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:[50, 54], Operations: ['52-2=50', '99-45=54'] Exploring Operation: 50*54=2700, Resulting Numbers: [2700] 2700,43 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 50+54=104, Resulting Numbers: [104] 104,43 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:[99, 5], Operations: ['52-2=50', '50-45=5'] Exploring Operation: 99*5=495, Resulting Numbers: [495] 495,43 unequal: No Solution Exploring Operation: 99+5=104, Resulting Numbers: [104] 104,43 unequal: No Solution Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 43:[47, 43], Operations: ['99-52=47', '45-2=43'] Exploring Operation: 47+43=90, Resulting Numbers: [90] 90,43 unequal: No Solution Exploring Operation: 47*43=2021, Resulting Numbers: [2021] 2021,43 unequal: No Solution Exploring Operation: 47-43=4, Resulting Numbers: [4] 4,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[45, 45], Operations: ['99-52=47', '47-2=45'] Exploring Operation: 45/45=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 45+45=90, Resulting Numbers: [90] 90,43 unequal: No Solution Exploring Operation: 45-45=0, Resulting Numbers: [0] 0,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[47, 47], Operations: ['99-52=47', '45+2=47'] Exploring Operation: 47-47=0, Resulting Numbers: [0] 0,43 unequal: No Solution Exploring Operation: 47/47=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 47+47=94, Resulting Numbers: [94] 94,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[52, 52], Operations: ['99-45=54', '54-2=52'] Exploring Operation: 52+52=104, Resulting Numbers: [104] 104,43 unequal: No Solution Exploring Operation: 52/52=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 52-52=0, Resulting Numbers: [0] 0,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[54, 50], Operations: ['99-45=54', '52-2=50'] Exploring Operation: 54*50=2700, Resulting Numbers: [2700] 2700,43 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 54+50=104, Resulting Numbers: [104] 104,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[54, 54], Operations: ['99-45=54', '52+2=54'] Exploring Operation: 54+54=108, Resulting Numbers: [108] 108,43 unequal: No Solution Exploring Operation: 54/54=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 54-54=0, Resulting Numbers: [0] 0,43 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 70, 37, 11, 33 ]
26
[ "37-33=4", "11*4=44", "70-44=26" ]
Current State: 26:[70, 37, 11, 33], Operations: [] Exploring Operation: 37-33=4, Resulting Numbers: [70, 11, 4] Generated Node #2: [70, 11, 4] from Operation: 37-33=4 Current State: 26:[70, 11, 4], Operations: ['37-33=4'] Exploring Operation: 11*4=44, Resulting Numbers: [70, 44] Generated Node #3: [70, 44] from Operation: 11*4=44 Current State: 26:[70, 44], Operations: ['37-33=4', '11*4=44'] Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[70, 37, 11, 33], Operations: [] Exploring Operation: 37-33=4, Resulting Numbers: [70, 11, 4] Generated Node #0,0: 26:[70, 11, 4] Operation: 37-33=4 Exploring Operation: 70-33=37, Resulting Numbers: [37, 11, 37] Generated Node #0,1: 26:[37, 11, 37] Operation: 70-33=37 Exploring Operation: 70-37=33, Resulting Numbers: [11, 33, 33] Generated Node #0,2: 26:[11, 33, 33] Operation: 70-37=33 Moving to Node #0,2 Current State: 26:[11, 33, 33], Operations: ['70-37=33'] Exploring Operation: 33-33=0, Resulting Numbers: [11, 0] Generated Node #0,2,0: 26:[11, 0] Operation: 33-33=0 Exploring Operation: 33/33=1, Resulting Numbers: [11, 1] Generated Node #0,2,1: 26:[11, 1] Operation: 33/33=1 Exploring Operation: 33/11=3, Resulting Numbers: [33, 3] Generated Node #0,2,2: 26:[33, 3] Operation: 33/11=3 Moving to Node #0,1 Current State: 26:[37, 11, 37], Operations: ['70-33=37'] Exploring Operation: 37-11=26, Resulting Numbers: [37, 26] Generated Node #0,1,0: 26:[37, 26] Operation: 37-11=26 Exploring Operation: 37/37=1, Resulting Numbers: [11, 1] Generated Node #0,1,1: 26:[11, 1] Operation: 37/37=1 Exploring Operation: 37-37=0, Resulting Numbers: [11, 0] Generated Node #0,1,2: 26:[11, 0] Operation: 37-37=0 Moving to Node #0,0 Current State: 26:[70, 11, 4], Operations: ['37-33=4'] Exploring Operation: 70-4=66, Resulting Numbers: [11, 66] Generated Node #0,0,0: 26:[11, 66] Operation: 70-4=66 Exploring Operation: 11+4=15, Resulting Numbers: [70, 15] Generated Node #0,0,1: 26:[70, 15] Operation: 11+4=15 Exploring Operation: 70-11=59, Resulting Numbers: [4, 59] Generated Node #0,0,2: 26:[4, 59] Operation: 70-11=59 Moving to Node #0,2,1 Current State: 26:[11, 1], Operations: ['70-37=33', '33/33=1'] Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,26 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,26 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,26 unequal: No Solution Moving to Node #0,1,1 Current State: 26:[11, 1], Operations: ['70-33=37', '37/37=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,26 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,26 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,26 unequal: No Solution Moving to Node #0,1,2 Current State: 26:[11, 0], Operations: ['70-33=37', '37-37=0'] Exploring Operation: 11+0=11, Resulting Numbers: [11] 11,26 unequal: No Solution Exploring Operation: 11*0=0, Resulting Numbers: [0] 0,26 unequal: No Solution Exploring Operation: 11-0=11, Resulting Numbers: [11] 11,26 unequal: No Solution Moving to Node #0,2,0 Current State: 26:[11, 0], Operations: ['70-37=33', '33-33=0'] Exploring Operation: 11*0=0, Resulting Numbers: [0] 0,26 unequal: No Solution Exploring Operation: 11+0=11, Resulting Numbers: [11] 11,26 unequal: No Solution Exploring Operation: 11-0=11, Resulting Numbers: [11] 11,26 unequal: No Solution Moving to Node #0,2,2 Current State: 26:[33, 3], Operations: ['70-37=33', '33/11=3'] Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,26 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,26 unequal: No Solution Moving to Node #0,1,0 Current State: 26:[37, 26], Operations: ['70-33=37', '37-11=26'] Exploring Operation: 37+26=63, Resulting Numbers: [63] 63,26 unequal: No Solution Exploring Operation: 37*26=962, Resulting Numbers: [962] 962,26 unequal: No Solution Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[4, 59], Operations: ['37-33=4', '70-11=59'] Exploring Operation: 4+59=63, Resulting Numbers: [63] 63,26 unequal: No Solution Exploring Operation: 4*59=236, Resulting Numbers: [236] 236,26 unequal: No Solution Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[11, 66], Operations: ['37-33=4', '70-4=66'] Exploring Operation: 66/11=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 11+66=77, Resulting Numbers: [77] 77,26 unequal: No Solution Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[70, 15], Operations: ['37-33=4', '11+4=15'] Exploring Operation: 70-15=55, Resulting Numbers: [55] 55,26 unequal: No Solution Exploring Operation: 70+15=85, Resulting Numbers: [85] 85,26 unequal: No Solution Exploring Operation: 70*15=1050, Resulting Numbers: [1050] 1050,26 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 15, 41, 52, 40 ]
36
[ "15+41=56", "52+40=92", "92-56=36" ]
Current State: 36:[15, 41, 52, 40], Operations: [] Exploring Operation: 15+41=56, Resulting Numbers: [52, 40, 56] Generated Node #2: [52, 40, 56] from Operation: 15+41=56 Current State: 36:[52, 40, 56], Operations: ['15+41=56'] Exploring Operation: 52+40=92, Resulting Numbers: [56, 92] Generated Node #3: [56, 92] from Operation: 52+40=92 Current State: 36:[56, 92], Operations: ['15+41=56', '52+40=92'] Exploring Operation: 92-56=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[15, 41, 52, 40], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [15, 41, 12] Generated Node #0,0: 36:[15, 41, 12] Operation: 52-40=12 Exploring Operation: 52-41=11, Resulting Numbers: [15, 40, 11] Generated Node #0,1: 36:[15, 40, 11] Operation: 52-41=11 Moving to Node #0,0 Current State: 36:[15, 41, 12], Operations: ['52-40=12'] Exploring Operation: 41-15=26, Resulting Numbers: [12, 26] Generated Node #0,0,0: 36:[12, 26] Operation: 41-15=26 Exploring Operation: 15-12=3, Resulting Numbers: [41, 3] Generated Node #0,0,1: 36:[41, 3] Operation: 15-12=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[41, 3], Operations: ['52-40=12', '15-12=3'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,36 unequal: No Solution Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[12, 26], Operations: ['52-40=12', '41-15=26'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 36:[15, 40, 11], Operations: ['52-41=11'] Exploring Operation: 15-11=4, Resulting Numbers: [40, 4] Generated Node #0,1,0: 36:[40, 4] Operation: 15-11=4 Exploring Operation: 40-15=25, Resulting Numbers: [11, 25] Generated Node #0,1,1: 36:[11, 25] Operation: 40-15=25 Moving to Node #0,1,0 Current State: 36:[40, 4], Operations: ['52-41=11', '15-11=4'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[15, 41, 52, 40], Operations: [] Exploring Operation: 52-41=11, Resulting Numbers: [15, 40, 11] Generated Node #0,1: 36:[15, 40, 11] Operation: 52-41=11 Moving to Node #0,1 Current State: 36:[15, 40, 11], Operations: ['52-41=11'] Exploring Operation: 15-11=4, Resulting Numbers: [40, 4] Generated Node #0,1,0: 36:[40, 4] Operation: 15-11=4 Moving to Node #0,1,0 Current State: 36:[40, 4], Operations: ['52-41=11', '15-11=4'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 85, 24, 48, 30 ]
31
[ "85+24=109", "48+30=78", "109-78=31" ]
Current State: 31:[85, 24, 48, 30], Operations: [] Exploring Operation: 85+24=109, Resulting Numbers: [48, 30, 109] Generated Node #2: [48, 30, 109] from Operation: 85+24=109 Current State: 31:[48, 30, 109], Operations: ['85+24=109'] Exploring Operation: 48+30=78, Resulting Numbers: [109, 78] Generated Node #3: [109, 78] from Operation: 48+30=78 Current State: 31:[109, 78], Operations: ['85+24=109', '48+30=78'] Exploring Operation: 109-78=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[85, 24, 48, 30], Operations: [] Exploring Operation: 85-24=61, Resulting Numbers: [48, 30, 61] Generated Node #0,0: 31:[48, 30, 61] Operation: 85-24=61 Exploring Operation: 85-48=37, Resulting Numbers: [24, 30, 37] Generated Node #0,1: 31:[24, 30, 37] Operation: 85-48=37 Moving to Node #0,1 Current State: 31:[24, 30, 37], Operations: ['85-48=37'] Exploring Operation: 37-24=13, Resulting Numbers: [30, 13] Generated Node #0,1,0: 31:[30, 13] Operation: 37-24=13 Exploring Operation: 24+30=54, Resulting Numbers: [37, 54] Generated Node #0,1,1: 31:[37, 54] Operation: 24+30=54 Moving to Node #0,0 Current State: 31:[48, 30, 61], Operations: ['85-24=61'] Exploring Operation: 61-48=13, Resulting Numbers: [30, 13] Generated Node #0,0,0: 31:[30, 13] Operation: 61-48=13 Exploring Operation: 61-30=31, Resulting Numbers: [48, 31] Generated Node #0,0,1: 31:[48, 31] Operation: 61-30=31 Moving to Node #0,0,1 Current State: 31:[48, 31], Operations: ['85-24=61', '61-30=31'] Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 48+31=79, Resulting Numbers: [79] 79,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[30, 13], Operations: ['85-48=37', '37-24=13'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,31 unequal: No Solution Moving to Node #0,0,0 Current State: 31:[30, 13], Operations: ['85-24=61', '61-48=13'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[37, 54], Operations: ['85-48=37', '24+30=54'] Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 37+54=91, Resulting Numbers: [91] 91,31 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 55, 91, 57, 13 ]
16
[ "55+57=112", "91/13=7", "112/7=16" ]
Current State: 16:[55, 91, 57, 13], Operations: [] Exploring Operation: 55+57=112, Resulting Numbers: [91, 13, 112] Generated Node #2: [91, 13, 112] from Operation: 55+57=112 Current State: 16:[91, 13, 112], Operations: ['55+57=112'] Exploring Operation: 91/13=7, Resulting Numbers: [112, 7] Generated Node #3: [112, 7] from Operation: 91/13=7 Current State: 16:[112, 7], Operations: ['55+57=112', '91/13=7'] Exploring Operation: 112/7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[55, 91, 57, 13], Operations: [] Exploring Operation: 91-55=36, Resulting Numbers: [57, 13, 36] Generated Node #0,0: 16:[57, 13, 36] Operation: 91-55=36 Exploring Operation: 57-55=2, Resulting Numbers: [91, 13, 2] Generated Node #0,1: 16:[91, 13, 2] Operation: 57-55=2 Exploring Operation: 91-57=34, Resulting Numbers: [55, 13, 34] Generated Node #0,2: 16:[55, 13, 34] Operation: 91-57=34 Exploring Operation: 91/13=7, Resulting Numbers: [55, 57, 7] Generated Node #0,3: 16:[55, 57, 7] Operation: 91/13=7 Moving to Node #0,2 Current State: 16:[55, 13, 34], Operations: ['91-57=34'] Exploring Operation: 55+13=68, Resulting Numbers: [34, 68] Generated Node #0,2,0: 16:[34, 68] Operation: 55+13=68 Exploring Operation: 55-13=42, Resulting Numbers: [34, 42] Generated Node #0,2,1: 16:[34, 42] Operation: 55-13=42 Exploring Operation: 55-34=21, Resulting Numbers: [13, 21] Generated Node #0,2,2: 16:[13, 21] Operation: 55-34=21 Exploring Operation: 34-13=21, Resulting Numbers: [55, 21] Generated Node #0,2,3: 16:[55, 21] Operation: 34-13=21 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 16:[13, 21], Operations: ['91-57=34', '55-34=21'] Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 13*21=273, Resulting Numbers: [273] 273,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 16:[34, 42], Operations: ['91-57=34', '55-13=42'] Exploring Operation: 34*42=1428, Resulting Numbers: [1428] 1428,16 unequal: No Solution Exploring Operation: 42-34=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 34+42=76, Resulting Numbers: [76] 76,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 16:[55, 21], Operations: ['91-57=34', '34-13=21'] Exploring Operation: 55*21=1155, Resulting Numbers: [1155] 1155,16 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 55+21=76, Resulting Numbers: [76] 76,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[34, 68], Operations: ['91-57=34', '55+13=68'] Exploring Operation: 34*68=2312, Resulting Numbers: [2312] 2312,16 unequal: No Solution Exploring Operation: 68/34=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 34+68=102, Resulting Numbers: [102] 102,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 16:[57, 13, 36], Operations: ['91-55=36'] Exploring Operation: 57-36=21, Resulting Numbers: [13, 21] Generated Node #0,0,0: 16:[13, 21] Operation: 57-36=21 Exploring Operation: 57-13=44, Resulting Numbers: [36, 44] Generated Node #0,0,1: 16:[36, 44] Operation: 57-13=44 Exploring Operation: 57+13=70, Resulting Numbers: [36, 70] Generated Node #0,0,2: 16:[36, 70] Operation: 57+13=70 Exploring Operation: 36-13=23, Resulting Numbers: [57, 23] Generated Node #0,0,3: 16:[57, 23] Operation: 36-13=23 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[13, 21], Operations: ['91-55=36', '57-36=21'] Exploring Operation: 13*21=273, Resulting Numbers: [273] 273,16 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[36, 44], Operations: ['91-55=36', '57-13=44'] Exploring Operation: 36+44=80, Resulting Numbers: [80] 80,16 unequal: No Solution Exploring Operation: 36*44=1584, Resulting Numbers: [1584] 1584,16 unequal: No Solution Exploring Operation: 44-36=8, Resulting Numbers: [8] 8,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 16:[57, 23], Operations: ['91-55=36', '36-13=23'] Exploring Operation: 57*23=1311, Resulting Numbers: [1311] 1311,16 unequal: No Solution Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 57+23=80, Resulting Numbers: [80] 80,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 16:[36, 70], Operations: ['91-55=36', '57+13=70'] Exploring Operation: 70-36=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 36+70=106, Resulting Numbers: [106] 106,16 unequal: No Solution Exploring Operation: 36*70=2520, Resulting Numbers: [2520] 2520,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 16:[91, 13, 2], Operations: ['57-55=2'] Exploring Operation: 91/13=7, Resulting Numbers: [2, 7] Generated Node #0,1,0: 16:[2, 7] Operation: 91/13=7 Exploring Operation: 91-2=89, Resulting Numbers: [13, 89] Generated Node #0,1,1: 16:[13, 89] Operation: 91-2=89 Exploring Operation: 13+2=15, Resulting Numbers: [91, 15] Generated Node #0,1,2: 16:[91, 15] Operation: 13+2=15 Exploring Operation: 91-13=78, Resulting Numbers: [2, 78] Generated Node #0,1,3: 16:[2, 78] Operation: 91-13=78 Moving to Node #0,3 Current State: 16:[55, 57, 7], Operations: ['91/13=7'] Exploring Operation: 57-55=2, Resulting Numbers: [7, 2] Generated Node #0,3,0: 16:[7, 2] Operation: 57-55=2 Exploring Operation: 55-7=48, Resulting Numbers: [57, 48] Generated Node #0,3,1: 16:[57, 48] Operation: 55-7=48 Exploring Operation: 55+7=62, Resulting Numbers: [57, 62] Generated Node #0,3,2: 16:[57, 62] Operation: 55+7=62 Exploring Operation: 57-7=50, Resulting Numbers: [55, 50] Generated Node #0,3,3: 16:[55, 50] Operation: 57-7=50 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 16:[7, 2], Operations: ['91/13=7', '57-55=2'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 16:[57, 48], Operations: ['91/13=7', '55-7=48'] Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 57*48=2736, Resulting Numbers: [2736] 2736,16 unequal: No Solution Exploring Operation: 57+48=105, Resulting Numbers: [105] 105,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 16:[55, 50], Operations: ['91/13=7', '57-7=50'] Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 55+50=105, Resulting Numbers: [105] 105,16 unequal: No Solution Exploring Operation: 55*50=2750, Resulting Numbers: [2750] 2750,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 16:[57, 62], Operations: ['91/13=7', '55+7=62'] Exploring Operation: 62-57=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 57*62=3534, Resulting Numbers: [3534] 3534,16 unequal: No Solution Exploring Operation: 57+62=119, Resulting Numbers: [119] 119,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 16:[2, 7], Operations: ['57-55=2', '91/13=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,16 unequal: No Solution Moving to Node #0,1,3 Current State: 16:[2, 78], Operations: ['57-55=2', '91-13=78'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,16 unequal: No Solution Exploring Operation: 2*78=156, Resulting Numbers: [156] 156,16 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,16 unequal: No Solution Exploring Operation: 2+78=80, Resulting Numbers: [80] 80,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[91, 15], Operations: ['57-55=2', '13+2=15'] Exploring Operation: 91*15=1365, Resulting Numbers: [1365] 1365,16 unequal: No Solution Exploring Operation: 91+15=106, Resulting Numbers: [106] 106,16 unequal: No Solution Exploring Operation: 91-15=76, Resulting Numbers: [76] 76,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[13, 89], Operations: ['57-55=2', '91-2=89'] Exploring Operation: 13+89=102, Resulting Numbers: [102] 102,16 unequal: No Solution Exploring Operation: 89-13=76, Resulting Numbers: [76] 76,16 unequal: No Solution Exploring Operation: 13*89=1157, Resulting Numbers: [1157] 1157,16 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 6, 66, 99, 76 ]
19
[ "6*66=396", "99*76=7524", "7524/396=19" ]
Current State: 19:[6, 66, 99, 76], Operations: [] Exploring Operation: 6*66=396, Resulting Numbers: [99, 76, 396] Generated Node #2: [99, 76, 396] from Operation: 6*66=396 Current State: 19:[99, 76, 396], Operations: ['6*66=396'] Exploring Operation: 99*76=7524, Resulting Numbers: [396, 7524] Generated Node #3: [396, 7524] from Operation: 99*76=7524 Current State: 19:[396, 7524], Operations: ['6*66=396', '99*76=7524'] Exploring Operation: 7524/396=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[6, 66, 99, 76], Operations: [] Exploring Operation: 76-66=10, Resulting Numbers: [6, 99, 10] Generated Node #0,0: 19:[6, 99, 10] Operation: 76-66=10 Exploring Operation: 66/6=11, Resulting Numbers: [99, 76, 11] Generated Node #0,1: 19:[99, 76, 11] Operation: 66/6=11 Exploring Operation: 99-66=33, Resulting Numbers: [6, 76, 33] Generated Node #0,2: 19:[6, 76, 33] Operation: 99-66=33 Exploring Operation: 99-76=23, Resulting Numbers: [6, 66, 23] Generated Node #0,3: 19:[6, 66, 23] Operation: 99-76=23 Start Sub Search at level 1: Moving to Node #0,3 Current State: 19:[6, 66, 23], Operations: ['99-76=23'] Exploring Operation: 23-6=17, Resulting Numbers: [66, 17] Generated Node #0,3,0: 19:[66, 17] Operation: 23-6=17 Exploring Operation: 66/6=11, Resulting Numbers: [23, 11] Generated Node #0,3,1: 19:[23, 11] Operation: 66/6=11 Exploring Operation: 66-6=60, Resulting Numbers: [23, 60] Generated Node #0,3,2: 19:[23, 60] Operation: 66-6=60 Exploring Operation: 66-23=43, Resulting Numbers: [6, 43] Generated Node #0,3,3: 19:[6, 43] Operation: 66-23=43 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 19:[23, 11], Operations: ['99-76=23', '66/6=11'] Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,19 unequal: No Solution Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 19:[6, 43], Operations: ['99-76=23', '66-23=43'] Exploring Operation: 6*43=258, Resulting Numbers: [258] 258,19 unequal: No Solution Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,19 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 19:[23, 60], Operations: ['99-76=23', '66-6=60'] Exploring Operation: 23+60=83, Resulting Numbers: [83] 83,19 unequal: No Solution Exploring Operation: 23*60=1380, Resulting Numbers: [1380] 1380,19 unequal: No Solution Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 19:[66, 17], Operations: ['99-76=23', '23-6=17'] Exploring Operation: 66-17=49, Resulting Numbers: [49] 49,19 unequal: No Solution Exploring Operation: 66+17=83, Resulting Numbers: [83] 83,19 unequal: No Solution Exploring Operation: 66*17=1122, Resulting Numbers: [1122] 1122,19 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: 19:[6, 76, 33], Operations: ['99-66=33'] Exploring Operation: 76-33=43, Resulting Numbers: [6, 43] Generated Node #0,2,0: 19:[6, 43] Operation: 76-33=43 Exploring Operation: 6+76=82, Resulting Numbers: [33, 82] Generated Node #0,2,1: 19:[33, 82] Operation: 6+76=82 Exploring Operation: 76-6=70, Resulting Numbers: [33, 70] Generated Node #0,2,2: 19:[33, 70] Operation: 76-6=70 Exploring Operation: 33-6=27, Resulting Numbers: [76, 27] Generated Node #0,2,3: 19:[76, 27] Operation: 33-6=27 Moving to Node #0,2,0 Current State: 19:[6, 43], Operations: ['99-66=33', '76-33=43'] Exploring Operation: 6*43=258, Resulting Numbers: [258] 258,19 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,19 unequal: No Solution Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,19 unequal: No Solution Moving to Node #0,2,3 Current State: 19:[76, 27], Operations: ['99-66=33', '33-6=27'] Exploring Operation: 76-27=49, Resulting Numbers: [49] 49,19 unequal: No Solution Exploring Operation: 76*27=2052, Resulting Numbers: [2052] 2052,19 unequal: No Solution Exploring Operation: 76+27=103, Resulting Numbers: [103] 103,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[33, 70], Operations: ['99-66=33', '76-6=70'] Exploring Operation: 70-33=37, Resulting Numbers: [37] 37,19 unequal: No Solution Exploring Operation: 33+70=103, Resulting Numbers: [103] 103,19 unequal: No Solution Exploring Operation: 33*70=2310, Resulting Numbers: [2310] 2310,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[33, 82], Operations: ['99-66=33', '6+76=82'] Exploring Operation: 33+82=115, Resulting Numbers: [115] 115,19 unequal: No Solution Exploring Operation: 33*82=2706, Resulting Numbers: [2706] 2706,19 unequal: No Solution Exploring Operation: 82-33=49, Resulting Numbers: [49] 49,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[6, 99, 10], Operations: ['76-66=10'] Exploring Operation: 6+10=16, Resulting Numbers: [99, 16] Generated Node #0,0,0: 19:[99, 16] Operation: 6+10=16 Exploring Operation: 99-6=93, Resulting Numbers: [10, 93] Generated Node #0,0,1: 19:[10, 93] Operation: 99-6=93 Exploring Operation: 6+99=105, Resulting Numbers: [10, 105] Generated Node #0,0,2: 19:[10, 105] Operation: 6+99=105 Exploring Operation: 99-10=89, Resulting Numbers: [6, 89] Generated Node #0,0,3: 19:[6, 89] Operation: 99-10=89 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[99, 16], Operations: ['76-66=10', '6+10=16'] Exploring Operation: 99*16=1584, Resulting Numbers: [1584] 1584,19 unequal: No Solution Exploring Operation: 99-16=83, Resulting Numbers: [83] 83,19 unequal: No Solution Exploring Operation: 99+16=115, Resulting Numbers: [115] 115,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 19:[10, 93], Operations: ['76-66=10', '99-6=93'] Exploring Operation: 10+93=103, Resulting Numbers: [103] 103,19 unequal: No Solution Exploring Operation: 93-10=83, Resulting Numbers: [83] 83,19 unequal: No Solution Exploring Operation: 10*93=930, Resulting Numbers: [930] 930,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 19:[6, 89], Operations: ['76-66=10', '99-10=89'] Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,19 unequal: No Solution Exploring Operation: 6+89=95, Resulting Numbers: [95] 95,19 unequal: No Solution Exploring Operation: 6*89=534, Resulting Numbers: [534] 534,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 19:[10, 105], Operations: ['76-66=10', '6+99=105'] Exploring Operation: 10+105=115, Resulting Numbers: [115] 115,19 unequal: No Solution Exploring Operation: 105-10=95, Resulting Numbers: [95] 95,19 unequal: No Solution Exploring Operation: 10*105=1050, Resulting Numbers: [1050] 1050,19 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: 19:[99, 76, 11], Operations: ['66/6=11'] Exploring Operation: 99-76=23, Resulting Numbers: [11, 23] Generated Node #0,1,0: 19:[11, 23] Operation: 99-76=23 Exploring Operation: 99/11=9, Resulting Numbers: [76, 9] Generated Node #0,1,1: 19:[76, 9] Operation: 99/11=9 Exploring Operation: 76-11=65, Resulting Numbers: [99, 65] Generated Node #0,1,2: 19:[99, 65] Operation: 76-11=65 Exploring Operation: 99-11=88, Resulting Numbers: [76, 88] Generated Node #0,1,3: 19:[76, 88] Operation: 99-11=88 Moving to Node #0,1,0 Current State: 19:[11, 23], Operations: ['66/6=11', '99-76=23'] Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,19 unequal: No Solution Exploring Operation: 11*23=253, Resulting Numbers: [253] 253,19 unequal: No Solution Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[76, 9], Operations: ['66/6=11', '99/11=9'] Exploring Operation: 76+9=85, Resulting Numbers: [85] 85,19 unequal: No Solution Exploring Operation: 76*9=684, Resulting Numbers: [684] 684,19 unequal: No Solution Exploring Operation: 76-9=67, Resulting Numbers: [67] 67,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[76, 88], Operations: ['66/6=11', '99-11=88'] Exploring Operation: 88-76=12, Resulting Numbers: [12] 12,19 unequal: No Solution Exploring Operation: 76*88=6688, Resulting Numbers: [6688] 6688,19 unequal: No Solution Exploring Operation: 76+88=164, Resulting Numbers: [164] 164,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[99, 65], Operations: ['66/6=11', '76-11=65'] Exploring Operation: 99-65=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 99+65=164, Resulting Numbers: [164] 164,19 unequal: No Solution Exploring Operation: 99*65=6435, Resulting Numbers: [6435] 6435,19 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
[ 18, 63, 13, 31 ]
64
[ "18+13=31", "31/31=1", "63+1=64" ]
Current State: 64:[18, 63, 13, 31], Operations: [] Exploring Operation: 18+13=31, Resulting Numbers: [63, 31, 31] Generated Node #2: [63, 31, 31] from Operation: 18+13=31 Current State: 64:[63, 31, 31], Operations: ['18+13=31'] Exploring Operation: 31/31=1, Resulting Numbers: [63, 1] Generated Node #3: [63, 1] from Operation: 31/31=1 Current State: 64:[63, 1], Operations: ['18+13=31', '31/31=1'] Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[18, 63, 13, 31], Operations: [] Exploring Operation: 18+13=31, Resulting Numbers: [63, 31, 31] Generated Node #0,0: 64:[63, 31, 31] Operation: 18+13=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[63, 31, 31], Operations: ['18+13=31'] Exploring Operation: 63-31=32, Resulting Numbers: [31, 32] Generated Node #0,0,0: 64:[31, 32] Operation: 63-31=32 Moving to Node #0,0,0 Current State: 64:[31, 32], Operations: ['18+13=31', '63-31=32'] Exploring Operation: 31+32=63, Resulting Numbers: [63] 63,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 61, 10, 6, 90 ]
89
[ "90-61=29", "10*6=60", "29+60=89" ]
Current State: 89:[61, 10, 6, 90], Operations: [] Exploring Operation: 90-61=29, Resulting Numbers: [10, 6, 29] Generated Node #2: [10, 6, 29] from Operation: 90-61=29 Current State: 89:[10, 6, 29], Operations: ['90-61=29'] Exploring Operation: 10*6=60, Resulting Numbers: [29, 60] Generated Node #3: [29, 60] from Operation: 10*6=60 Current State: 89:[29, 60], Operations: ['90-61=29', '10*6=60'] Exploring Operation: 29+60=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[61, 10, 6, 90], Operations: [] Exploring Operation: 61+10=71, Resulting Numbers: [6, 90, 71] Generated Node #0,0: 89:[6, 90, 71] Operation: 61+10=71 Exploring Operation: 10*6=60, Resulting Numbers: [61, 90, 60] Generated Node #0,1: 89:[61, 90, 60] Operation: 10*6=60 Moving to Node #0,1 Current State: 89:[61, 90, 60], Operations: ['10*6=60'] Exploring Operation: 90-60=30, Resulting Numbers: [61, 30] Generated Node #0,1,0: 89:[61, 30] Operation: 90-60=30 Exploring Operation: 61+60=121, Resulting Numbers: [90, 121] Generated Node #0,1,1: 89:[90, 121] Operation: 61+60=121 Moving to Node #0,0 Current State: 89:[6, 90, 71], Operations: ['61+10=71'] Exploring Operation: 90-6=84, Resulting Numbers: [71, 84] Generated Node #0,0,0: 89:[71, 84] Operation: 90-6=84 Exploring Operation: 6+71=77, Resulting Numbers: [90, 77] Generated Node #0,0,1: 89:[90, 77] Operation: 6+71=77 Moving to Node #0,0,1 Current State: 89:[90, 77], Operations: ['61+10=71', '6+71=77'] Exploring Operation: 90+77=167, Resulting Numbers: [167] 167,89 unequal: No Solution Exploring Operation: 90-77=13, Resulting Numbers: [13] 13,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[71, 84], Operations: ['61+10=71', '90-6=84'] Exploring Operation: 84-71=13, Resulting Numbers: [13] 13,89 unequal: No Solution Exploring Operation: 71+84=155, Resulting Numbers: [155] 155,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[90, 121], Operations: ['10*6=60', '61+60=121'] Exploring Operation: 90+121=211, Resulting Numbers: [211] 211,89 unequal: No Solution Exploring Operation: 121-90=31, Resulting Numbers: [31] 31,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[61, 30], Operations: ['10*6=60', '90-60=30'] Exploring Operation: 61+30=91, Resulting Numbers: [91] 91,89 unequal: No Solution Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,89 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 36, 97, 84, 8 ]
91
[ "84-36=48", "48/8=6", "97-6=91" ]
Current State: 91:[36, 97, 84, 8], Operations: [] Exploring Operation: 84-36=48, Resulting Numbers: [97, 8, 48] Generated Node #2: [97, 8, 48] from Operation: 84-36=48 Current State: 91:[97, 8, 48], Operations: ['84-36=48'] Exploring Operation: 48/8=6, Resulting Numbers: [97, 6] Generated Node #3: [97, 6] from Operation: 48/8=6 Current State: 91:[97, 6], Operations: ['84-36=48', '48/8=6'] Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[36, 97, 84, 8], Operations: [] Exploring Operation: 36-8=28, Resulting Numbers: [97, 84, 28] Generated Node #0,0: 91:[97, 84, 28] Operation: 36-8=28 Exploring Operation: 84+8=92, Resulting Numbers: [36, 97, 92] Generated Node #0,1: 91:[36, 97, 92] Operation: 84+8=92 Exploring Operation: 97-8=89, Resulting Numbers: [36, 84, 89] Generated Node #0,2: 91:[36, 84, 89] Operation: 97-8=89 Exploring Operation: 36+84=120, Resulting Numbers: [97, 8, 120] Generated Node #0,3: 91:[97, 8, 120] Operation: 36+84=120 Exploring Operation: 97-84=13, Resulting Numbers: [36, 8, 13] Generated Node #0,4: 91:[36, 8, 13] Operation: 97-84=13 Moving to Node #0,4 Current State: 91:[36, 8, 13], Operations: ['97-84=13'] Exploring Operation: 36-13=23, Resulting Numbers: [8, 23] Generated Node #0,4,0: 91:[8, 23] Operation: 36-13=23 Exploring Operation: 36+8=44, Resulting Numbers: [13, 44] Generated Node #0,4,1: 91:[13, 44] Operation: 36+8=44 Exploring Operation: 13-8=5, Resulting Numbers: [36, 5] Generated Node #0,4,2: 91:[36, 5] Operation: 13-8=5 Exploring Operation: 8+13=21, Resulting Numbers: [36, 21] Generated Node #0,4,3: 91:[36, 21] Operation: 8+13=21 Exploring Operation: 36-8=28, Resulting Numbers: [13, 28] Generated Node #0,4,4: 91:[13, 28] Operation: 36-8=28 Moving to Node #0,0 Current State: 91:[97, 84, 28], Operations: ['36-8=28'] Exploring Operation: 97+28=125, Resulting Numbers: [84, 125] Generated Node #0,0,0: 91:[84, 125] Operation: 97+28=125 Exploring Operation: 84/28=3, Resulting Numbers: [97, 3] Generated Node #0,0,1: 91:[97, 3] Operation: 84/28=3 Exploring Operation: 97-84=13, Resulting Numbers: [28, 13] Generated Node #0,0,2: 91:[28, 13] Operation: 97-84=13 Exploring Operation: 84+28=112, Resulting Numbers: [97, 112] Generated Node #0,0,3: 91:[97, 112] Operation: 84+28=112 Exploring Operation: 97-28=69, Resulting Numbers: [84, 69] Generated Node #0,0,4: 91:[84, 69] Operation: 97-28=69 Moving to Node #0,1 Current State: 91:[36, 97, 92], Operations: ['84+8=92'] Exploring Operation: 92-36=56, Resulting Numbers: [97, 56] Generated Node #0,1,0: 91:[97, 56] Operation: 92-36=56 Exploring Operation: 97-36=61, Resulting Numbers: [92, 61] Generated Node #0,1,1: 91:[92, 61] Operation: 97-36=61 Exploring Operation: 36+97=133, Resulting Numbers: [92, 133] Generated Node #0,1,2: 91:[92, 133] Operation: 36+97=133 Exploring Operation: 36+92=128, Resulting Numbers: [97, 128] Generated Node #0,1,3: 91:[97, 128] Operation: 36+92=128 Exploring Operation: 97-92=5, Resulting Numbers: [36, 5] Generated Node #0,1,4: 91:[36, 5] Operation: 97-92=5 Moving to Node #0,2 Current State: 91:[36, 84, 89], Operations: ['97-8=89'] Exploring Operation: 89-36=53, Resulting Numbers: [84, 53] Generated Node #0,2,0: 91:[84, 53] Operation: 89-36=53 Exploring Operation: 36+89=125, Resulting Numbers: [84, 125] Generated Node #0,2,1: 91:[84, 125] Operation: 36+89=125 Exploring Operation: 84-36=48, Resulting Numbers: [89, 48] Generated Node #0,2,2: 91:[89, 48] Operation: 84-36=48 Exploring Operation: 89-84=5, Resulting Numbers: [36, 5] Generated Node #0,2,3: 91:[36, 5] Operation: 89-84=5 Exploring Operation: 36+84=120, Resulting Numbers: [89, 120] Generated Node #0,2,4: 91:[89, 120] Operation: 36+84=120 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 91:[36, 5], Operations: ['97-8=89', '89-84=5'] Exploring Operation: 36*5=180, Resulting Numbers: [180] 180,91 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 36+5=41, Resulting Numbers: [41] 41,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 91:[89, 120], Operations: ['97-8=89', '36+84=120'] Exploring Operation: 120-89=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 89+120=209, Resulting Numbers: [209] 209,91 unequal: No Solution Exploring Operation: 89*120=10680, Resulting Numbers: [10680] 10680,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[89, 48], Operations: ['97-8=89', '84-36=48'] Exploring Operation: 89-48=41, Resulting Numbers: [41] 41,91 unequal: No Solution Exploring Operation: 89*48=4272, Resulting Numbers: [4272] 4272,91 unequal: No Solution Exploring Operation: 89+48=137, Resulting Numbers: [137] 137,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[84, 125], Operations: ['97-8=89', '36+89=125'] Exploring Operation: 125-84=41, Resulting Numbers: [41] 41,91 unequal: No Solution Exploring Operation: 84+125=209, Resulting Numbers: [209] 209,91 unequal: No Solution Exploring Operation: 84*125=10500, Resulting Numbers: [10500] 10500,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[84, 53], Operations: ['97-8=89', '89-36=53'] Exploring Operation: 84*53=4452, Resulting Numbers: [4452] 4452,91 unequal: No Solution Exploring Operation: 84+53=137, Resulting Numbers: [137] 137,91 unequal: No Solution Exploring Operation: 84-53=31, Resulting Numbers: [31] 31,91 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: 91:[97, 8, 120], Operations: ['36+84=120'] Exploring Operation: 120-8=112, Resulting Numbers: [97, 112] Generated Node #0,3,0: 91:[97, 112] Operation: 120-8=112 Exploring Operation: 97+8=105, Resulting Numbers: [120, 105] Generated Node #0,3,1: 91:[120, 105] Operation: 97+8=105 Exploring Operation: 120-97=23, Resulting Numbers: [8, 23] Generated Node #0,3,2: 91:[8, 23] Operation: 120-97=23 Exploring Operation: 97-8=89, Resulting Numbers: [120, 89] Generated Node #0,3,3: 91:[120, 89] Operation: 97-8=89 Exploring Operation: 120/8=15, Resulting Numbers: [97, 15] Generated Node #0,3,4: 91:[97, 15] Operation: 120/8=15 Moving to Node #0,3,4 Current State: 91:[97, 15], Operations: ['36+84=120', '120/8=15'] Exploring Operation: 97+15=112, Resulting Numbers: [112] 112,91 unequal: No Solution Exploring Operation: 97-15=82, Resulting Numbers: [82] 82,91 unequal: No Solution Exploring Operation: 97*15=1455, Resulting Numbers: [1455] 1455,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[97, 3], Operations: ['36-8=28', '84/28=3'] Exploring Operation: 97*3=291, Resulting Numbers: [291] 291,91 unequal: No Solution Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,91 unequal: No Solution Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,91 unequal: No Solution Moving to Node #0,4,0 Current State: 91:[8, 23], Operations: ['97-84=13', '36-13=23'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 8*23=184, Resulting Numbers: [184] 184,91 unequal: No Solution Moving to Node #0,3,2 Current State: 91:[8, 23], Operations: ['36+84=120', '120-97=23'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 8*23=184, Resulting Numbers: [184] 184,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[28, 13], Operations: ['36-8=28', '97-84=13'] Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 28+13=41, Resulting Numbers: [41] 41,91 unequal: No Solution Exploring Operation: 28*13=364, Resulting Numbers: [364] 364,91 unequal: No Solution Moving to Node #0,4,4 Current State: 91:[13, 28], Operations: ['97-84=13', '36-8=28'] Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 13+28=41, Resulting Numbers: [41] 41,91 unequal: No Solution Exploring Operation: 13*28=364, Resulting Numbers: [364] 364,91 unequal: No Solution Moving to Node #0,4,2 Current State: 91:[36, 5], Operations: ['97-84=13', '13-8=5'] Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 36+5=41, Resulting Numbers: [41] 41,91 unequal: No Solution Exploring Operation: 36*5=180, Resulting Numbers: [180] 180,91 unequal: No Solution Moving to Node #0,1,4 Current State: 91:[36, 5], Operations: ['84+8=92', '97-92=5'] Exploring Operation: 36*5=180, Resulting Numbers: [180] 180,91 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 36+5=41, Resulting Numbers: [41] 41,91 unequal: No Solution Moving to Node #0,3,0 Current State: 91:[97, 112], Operations: ['36+84=120', '120-8=112'] Exploring Operation: 97*112=10864, Resulting Numbers: [10864] 10864,91 unequal: No Solution Exploring Operation: 97+112=209, Resulting Numbers: [209] 209,91 unequal: No Solution Exploring Operation: 112-97=15, Resulting Numbers: [15] 15,91 unequal: No Solution Moving to Node #0,0,3 Current State: 91:[97, 112], Operations: ['36-8=28', '84+28=112'] Exploring Operation: 97*112=10864, Resulting Numbers: [10864] 10864,91 unequal: No Solution Exploring Operation: 112-97=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 97+112=209, Resulting Numbers: [209] 209,91 unequal: No Solution Moving to Node #0,0,4 Current State: 91:[84, 69], Operations: ['36-8=28', '97-28=69'] Exploring Operation: 84*69=5796, Resulting Numbers: [5796] 5796,91 unequal: No Solution Exploring Operation: 84+69=153, Resulting Numbers: [153] 153,91 unequal: No Solution Exploring Operation: 84-69=15, Resulting Numbers: [15] 15,91 unequal: No Solution Moving to Node #0,3,3 Current State: 91:[120, 89], Operations: ['36+84=120', '97-8=89'] Exploring Operation: 120+89=209, Resulting Numbers: [209] 209,91 unequal: No Solution Exploring Operation: 120*89=10680, Resulting Numbers: [10680] 10680,91 unequal: No Solution Exploring Operation: 120-89=31, Resulting Numbers: [31] 31,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[92, 61], Operations: ['84+8=92', '97-36=61'] Exploring Operation: 92+61=153, Resulting Numbers: [153] 153,91 unequal: No Solution Exploring Operation: 92*61=5612, Resulting Numbers: [5612] 5612,91 unequal: No Solution Exploring Operation: 92-61=31, Resulting Numbers: [31] 31,91 unequal: No Solution Moving to Node #0,4,3 Current State: 91:[36, 21], Operations: ['97-84=13', '8+13=21'] Exploring Operation: 36*21=756, Resulting Numbers: [756] 756,91 unequal: No Solution Exploring Operation: 36+21=57, Resulting Numbers: [57] 57,91 unequal: No Solution Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,91 unequal: No Solution Moving to Node #0,4,1 Current State: 91:[13, 44], Operations: ['97-84=13', '36+8=44'] Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 13+44=57, Resulting Numbers: [57] 57,91 unequal: No Solution Exploring Operation: 13*44=572, Resulting Numbers: [572] 572,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[84, 125], Operations: ['36-8=28', '97+28=125'] Exploring Operation: 84*125=10500, Resulting Numbers: [10500] 10500,91 unequal: No Solution Exploring Operation: 84+125=209, Resulting Numbers: [209] 209,91 unequal: No Solution Exploring Operation: 125-84=41, Resulting Numbers: [41] 41,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[97, 56], Operations: ['84+8=92', '92-36=56'] Exploring Operation: 97+56=153, Resulting Numbers: [153] 153,91 unequal: No Solution Exploring Operation: 97*56=5432, Resulting Numbers: [5432] 5432,91 unequal: No Solution Exploring Operation: 97-56=41, Resulting Numbers: [41] 41,91 unequal: No Solution Moving to Node #0,3,1 Current State: 91:[120, 105], Operations: ['36+84=120', '97+8=105'] Exploring Operation: 120*105=12600, Resulting Numbers: [12600] 12600,91 unequal: No Solution Exploring Operation: 120+105=225, Resulting Numbers: [225] 225,91 unequal: No Solution Exploring Operation: 120-105=15, Resulting Numbers: [15] 15,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[92, 133], Operations: ['84+8=92', '36+97=133'] Exploring Operation: 92*133=12236, Resulting Numbers: [12236] 12236,91 unequal: No Solution Exploring Operation: 92+133=225, Resulting Numbers: [225] 225,91 unequal: No Solution Exploring Operation: 133-92=41, Resulting Numbers: [41] 41,91 unequal: No Solution Moving to Node #0,1,3 Current State: 91:[97, 128], Operations: ['84+8=92', '36+92=128'] Exploring Operation: 128-97=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 97*128=12416, Resulting Numbers: [12416] 12416,91 unequal: No Solution Exploring Operation: 97+128=225, Resulting Numbers: [225] 225,91 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 60, 36, 6, 9 ]
63
[ "60+9=69", "36/6=6", "69-6=63" ]
Current State: 63:[60, 36, 6, 9], Operations: [] Exploring Operation: 60+9=69, Resulting Numbers: [36, 6, 69] Generated Node #2: [36, 6, 69] from Operation: 60+9=69 Current State: 63:[36, 6, 69], Operations: ['60+9=69'] Exploring Operation: 36/6=6, Resulting Numbers: [69, 6] Generated Node #3: [69, 6] from Operation: 36/6=6 Current State: 63:[69, 6], Operations: ['60+9=69', '36/6=6'] Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[60, 36, 6, 9], Operations: [] Exploring Operation: 36/6=6, Resulting Numbers: [60, 9, 6] Generated Node #0,0: 63:[60, 9, 6] Operation: 36/6=6 Exploring Operation: 60-36=24, Resulting Numbers: [6, 9, 24] Generated Node #0,1: 63:[6, 9, 24] Operation: 60-36=24 Exploring Operation: 36/9=4, Resulting Numbers: [60, 6, 4] Generated Node #0,2: 63:[60, 6, 4] Operation: 36/9=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[60, 9, 6], Operations: ['36/6=6'] Exploring Operation: 60+6=66, Resulting Numbers: [9, 66] Generated Node #0,0,0: 63:[9, 66] Operation: 60+6=66 Exploring Operation: 9-6=3, Resulting Numbers: [60, 3] Generated Node #0,0,1: 63:[60, 3] Operation: 9-6=3 Exploring Operation: 60/6=10, Resulting Numbers: [9, 10] Generated Node #0,0,2: 63:[9, 10] Operation: 60/6=10 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 63:[9, 10], Operations: ['36/6=6', '60/6=10'] Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,63 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,63 unequal: No Solution No 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: 63:[9, 66], Operations: ['36/6=6', '60+6=66'] Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,63 unequal: No Solution Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,63 unequal: No Solution Exploring Operation: 9*66=594, Resulting Numbers: [594] 594,63 unequal: No Solution No 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: 63:[60, 3], Operations: ['36/6=6', '9-6=3'] Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[60, 36, 6, 9], Operations: [] Exploring Operation: 36/6=6, Resulting Numbers: [60, 9, 6] Generated Node #0,0: 63:[60, 9, 6] Operation: 36/6=6 Moving to Node #0,0 Current State: 63:[60, 9, 6], Operations: ['36/6=6'] Exploring Operation: 9-6=3, Resulting Numbers: [60, 3] Generated Node #0,0,1: 63:[60, 3] Operation: 9-6=3 Moving to Node #0,0,1 Current State: 63:[60, 3], Operations: ['36/6=6', '9-6=3'] Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 2, 38, 70, 18 ]
98
[ "38+18=56", "56/2=28", "70+28=98" ]
Current State: 98:[2, 38, 70, 18], Operations: [] Exploring Operation: 38+18=56, Resulting Numbers: [2, 70, 56] Generated Node #2: [2, 70, 56] from Operation: 38+18=56 Current State: 98:[2, 70, 56], Operations: ['38+18=56'] Exploring Operation: 56/2=28, Resulting Numbers: [70, 28] Generated Node #3: [70, 28] from Operation: 56/2=28 Current State: 98:[70, 28], Operations: ['38+18=56', '56/2=28'] Exploring Operation: 70+28=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[2, 38, 70, 18], Operations: [] Exploring Operation: 70-18=52, Resulting Numbers: [2, 38, 52] Generated Node #0,0: 98:[2, 38, 52] Operation: 70-18=52 Exploring Operation: 70-38=32, Resulting Numbers: [2, 18, 32] Generated Node #0,1: 98:[2, 18, 32] Operation: 70-38=32 Exploring Operation: 38+70=108, Resulting Numbers: [2, 18, 108] Generated Node #0,2: 98:[2, 18, 108] Operation: 38+70=108 Moving to Node #0,0 Current State: 98:[2, 38, 52], Operations: ['70-18=52'] Exploring Operation: 38/2=19, Resulting Numbers: [52, 19] Generated Node #0,0,0: 98:[52, 19] Operation: 38/2=19 Exploring Operation: 52-38=14, Resulting Numbers: [2, 14] Generated Node #0,0,1: 98:[2, 14] Operation: 52-38=14 Exploring Operation: 38+52=90, Resulting Numbers: [2, 90] Generated Node #0,0,2: 98:[2, 90] Operation: 38+52=90 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 98:[2, 14], Operations: ['70-18=52', '52-38=14'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,98 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 #0,0,0 Current State: 98:[52, 19], Operations: ['70-18=52', '38/2=19'] Exploring Operation: 52*19=988, Resulting Numbers: [988] 988,98 unequal: No Solution Exploring Operation: 52+19=71, Resulting Numbers: [71] 71,98 unequal: No Solution Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,98 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 #0,0,2 Current State: 98:[2, 90], Operations: ['70-18=52', '38+52=90'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,98 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,98 unequal: No Solution Exploring Operation: 2+90=92, Resulting Numbers: [92] 92,98 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: 98:[2, 18, 108], Operations: ['38+70=108'] Exploring Operation: 108-18=90, Resulting Numbers: [2, 90] Generated Node #0,2,0: 98:[2, 90] Operation: 108-18=90 Exploring Operation: 108/2=54, Resulting Numbers: [18, 54] Generated Node #0,2,1: 98:[18, 54] Operation: 108/2=54 Exploring Operation: 108/18=6, Resulting Numbers: [2, 6] Generated Node #0,2,2: 98:[2, 6] Operation: 108/18=6 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 98:[2, 6], Operations: ['38+70=108', '108/18=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,98 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 #0,2,0 Current State: 98:[2, 90], Operations: ['38+70=108', '108-18=90'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,98 unequal: No Solution Exploring Operation: 2+90=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,98 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 #0,2,1 Current State: 98:[18, 54], Operations: ['38+70=108', '108/2=54'] Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,98 unequal: No Solution Exploring Operation: 18+54=72, Resulting Numbers: [72] 72,98 unequal: No Solution Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,98 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: 98:[2, 18, 32], Operations: ['70-38=32'] Exploring Operation: 32/2=16, Resulting Numbers: [18, 16] Generated Node #0,1,0: 98:[18, 16] Operation: 32/2=16 Exploring Operation: 18+32=50, Resulting Numbers: [2, 50] Generated Node #0,1,1: 98:[2, 50] Operation: 18+32=50 Exploring Operation: 32-18=14, Resulting Numbers: [2, 14] Generated Node #0,1,2: 98:[2, 14] Operation: 32-18=14 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 98:[2, 14], Operations: ['70-38=32', '32-18=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,98 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 #0,1,1 Current State: 98:[2, 50], Operations: ['70-38=32', '18+32=50'] Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,98 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 2+50=52, Resulting Numbers: [52] 52,98 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 #0,1,0 Current State: 98:[18, 16], Operations: ['70-38=32', '32/2=16'] Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 18*16=288, Resulting Numbers: [288] 288,98 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,98 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, 20, 13, 95 ]
99
[ "20-13=7", "28/7=4", "95+4=99" ]
Current State: 99:[28, 20, 13, 95], Operations: [] Exploring Operation: 20-13=7, Resulting Numbers: [28, 95, 7] Generated Node #2: [28, 95, 7] from Operation: 20-13=7 Current State: 99:[28, 95, 7], Operations: ['20-13=7'] Exploring Operation: 28/7=4, Resulting Numbers: [95, 4] Generated Node #3: [95, 4] from Operation: 28/7=4 Current State: 99:[95, 4], Operations: ['20-13=7', '28/7=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[28, 20, 13, 95], Operations: [] Exploring Operation: 28-20=8, Resulting Numbers: [13, 95, 8] Generated Node #0,0: 99:[13, 95, 8] Operation: 28-20=8 Exploring Operation: 28+20=48, Resulting Numbers: [13, 95, 48] Generated Node #0,1: 99:[13, 95, 48] Operation: 28+20=48 Exploring Operation: 20-13=7, Resulting Numbers: [28, 95, 7] Generated Node #0,2: 99:[28, 95, 7] Operation: 20-13=7 Exploring Operation: 20+13=33, Resulting Numbers: [28, 95, 33] Generated Node #0,3: 99:[28, 95, 33] Operation: 20+13=33 Exploring Operation: 28-13=15, Resulting Numbers: [20, 95, 15] Generated Node #0,4: 99:[20, 95, 15] Operation: 28-13=15 Moving to Node #0,0 Current State: 99:[13, 95, 8], Operations: ['28-20=8'] Exploring Operation: 13+8=21, Resulting Numbers: [95, 21] Generated Node #0,0,0: 99:[95, 21] Operation: 13+8=21 Exploring Operation: 13-8=5, Resulting Numbers: [95, 5] Generated Node #0,0,1: 99:[95, 5] Operation: 13-8=5 Exploring Operation: 95+8=103, Resulting Numbers: [13, 103] Generated Node #0,0,2: 99:[13, 103] Operation: 95+8=103 Exploring Operation: 13+95=108, Resulting Numbers: [8, 108] Generated Node #0,0,3: 99:[8, 108] Operation: 13+95=108 Exploring Operation: 13*8=104, Resulting Numbers: [95, 104] Generated Node #0,0,4: 99:[95, 104] Operation: 13*8=104 Moving to Node #0,3 Current State: 99:[28, 95, 33], Operations: ['20+13=33'] Exploring Operation: 28+95=123, Resulting Numbers: [33, 123] Generated Node #0,3,0: 99:[33, 123] Operation: 28+95=123 Exploring Operation: 95-28=67, Resulting Numbers: [33, 67] Generated Node #0,3,1: 99:[33, 67] Operation: 95-28=67 Exploring Operation: 33-28=5, Resulting Numbers: [95, 5] Generated Node #0,3,2: 99:[95, 5] Operation: 33-28=5 Exploring Operation: 95+33=128, Resulting Numbers: [28, 128] Generated Node #0,3,3: 99:[28, 128] Operation: 95+33=128 Exploring Operation: 28+33=61, Resulting Numbers: [95, 61] Generated Node #0,3,4: 99:[95, 61] Operation: 28+33=61 Moving to Node #0,2 Current State: 99:[28, 95, 7], Operations: ['20-13=7'] Exploring Operation: 28+7=35, Resulting Numbers: [95, 35] Generated Node #0,2,0: 99:[95, 35] Operation: 28+7=35 Exploring Operation: 95+7=102, Resulting Numbers: [28, 102] Generated Node #0,2,1: 99:[28, 102] Operation: 95+7=102 Exploring Operation: 28/7=4, Resulting Numbers: [95, 4] Generated Node #0,2,2: 99:[95, 4] Operation: 28/7=4 Exploring Operation: 28-7=21, Resulting Numbers: [95, 21] Generated Node #0,2,3: 99:[95, 21] Operation: 28-7=21 Exploring Operation: 95-7=88, Resulting Numbers: [28, 88] Generated Node #0,2,4: 99:[28, 88] Operation: 95-7=88 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 99:[95, 4], Operations: ['20-13=7', '28/7=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[28, 20, 13, 95], Operations: [] Exploring Operation: 20-13=7, Resulting Numbers: [28, 95, 7] Generated Node #0,2: 99:[28, 95, 7] Operation: 20-13=7 Moving to Node #0,2 Current State: 99:[28, 95, 7], Operations: ['20-13=7'] Exploring Operation: 28/7=4, Resulting Numbers: [95, 4] Generated Node #0,2,2: 99:[95, 4] Operation: 28/7=4 Moving to Node #0,2,2 Current State: 99:[95, 4], Operations: ['20-13=7', '28/7=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
mult_heuristic
[ 18, 20, 28, 16 ]
34
[ "18-16=2", "28/2=14", "20+14=34" ]
Current State: 34:[18, 20, 28, 16], Operations: [] Exploring Operation: 18-16=2, Resulting Numbers: [20, 28, 2] Generated Node #2: [20, 28, 2] from Operation: 18-16=2 Current State: 34:[20, 28, 2], Operations: ['18-16=2'] Exploring Operation: 28/2=14, Resulting Numbers: [20, 14] Generated Node #3: [20, 14] from Operation: 28/2=14 Current State: 34:[20, 14], Operations: ['18-16=2', '28/2=14'] Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[18, 20, 28, 16], Operations: [] Exploring Operation: 20-18=2, Resulting Numbers: [28, 16, 2] Generated Node #0,0: 34:[28, 16, 2] Operation: 20-18=2 Exploring Operation: 28-20=8, Resulting Numbers: [18, 16, 8] Generated Node #0,1: 34:[18, 16, 8] Operation: 28-20=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[28, 16, 2], Operations: ['20-18=2'] Exploring Operation: 28/2=14, Resulting Numbers: [16, 14] Generated Node #0,0,0: 34:[16, 14] Operation: 28/2=14 Exploring Operation: 28-16=12, Resulting Numbers: [2, 12] Generated Node #0,0,1: 34:[2, 12] Operation: 28-16=12 Moving to Node #0,0,0 Current State: 34:[16, 14], Operations: ['20-18=2', '28/2=14'] Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[2, 12], Operations: ['20-18=2', '28-16=12'] Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,34 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[18, 16, 8], Operations: ['28-20=8'] Exploring Operation: 18+16=34, Resulting Numbers: [8, 34] Generated Node #0,1,0: 34:[8, 34] Operation: 18+16=34 Exploring Operation: 16/8=2, Resulting Numbers: [18, 2] Generated Node #0,1,1: 34:[18, 2] Operation: 16/8=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[18, 2], Operations: ['28-20=8', '16/8=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,34 unequal: No Solution No 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: 34:[8, 34], Operations: ['28-20=8', '18+16=34'] Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 8+34=42, Resulting Numbers: [42] 42,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 98, 76, 80, 42 ]
52
[ "98+76=174", "80+42=122", "174-122=52" ]
Current State: 52:[98, 76, 80, 42], Operations: [] Exploring Operation: 98+76=174, Resulting Numbers: [80, 42, 174] Generated Node #2: [80, 42, 174] from Operation: 98+76=174 Current State: 52:[80, 42, 174], Operations: ['98+76=174'] Exploring Operation: 80+42=122, Resulting Numbers: [174, 122] Generated Node #3: [174, 122] from Operation: 80+42=122 Current State: 52:[174, 122], Operations: ['98+76=174', '80+42=122'] Exploring Operation: 174-122=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[98, 76, 80, 42], Operations: [] Exploring Operation: 98-80=18, Resulting Numbers: [76, 42, 18] Generated Node #0,0: 52:[76, 42, 18] Operation: 98-80=18 Exploring Operation: 98-76=22, Resulting Numbers: [80, 42, 22] Generated Node #0,1: 52:[80, 42, 22] Operation: 98-76=22 Moving to Node #0,0 Current State: 52:[76, 42, 18], Operations: ['98-80=18'] Exploring Operation: 76-42=34, Resulting Numbers: [18, 34] Generated Node #0,0,0: 52:[18, 34] Operation: 76-42=34 Exploring Operation: 76-18=58, Resulting Numbers: [42, 58] Generated Node #0,0,1: 52:[42, 58] Operation: 76-18=58 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[18, 34], Operations: ['98-80=18', '76-42=34'] Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 18+34=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[98, 76, 80, 42], Operations: [] Exploring Operation: 98-80=18, Resulting Numbers: [76, 42, 18] Generated Node #0,0: 52:[76, 42, 18] Operation: 98-80=18 Moving to Node #0,0 Current State: 52:[76, 42, 18], Operations: ['98-80=18'] Exploring Operation: 76-42=34, Resulting Numbers: [18, 34] Generated Node #0,0,0: 52:[18, 34] Operation: 76-42=34 Moving to Node #0,0,0 Current State: 52:[18, 34], Operations: ['98-80=18', '76-42=34'] Exploring Operation: 18+34=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 16, 98, 27, 1 ]
55
[ "98-16=82", "27*1=27", "82-27=55" ]
Current State: 55:[16, 98, 27, 1], Operations: [] Exploring Operation: 98-16=82, Resulting Numbers: [27, 1, 82] Generated Node #2: [27, 1, 82] from Operation: 98-16=82 Current State: 55:[27, 1, 82], Operations: ['98-16=82'] Exploring Operation: 27*1=27, Resulting Numbers: [82, 27] Generated Node #3: [82, 27] from Operation: 27*1=27 Current State: 55:[82, 27], Operations: ['98-16=82', '27*1=27'] Exploring Operation: 82-27=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[16, 98, 27, 1], Operations: [] Exploring Operation: 27-16=11, Resulting Numbers: [98, 1, 11] Generated Node #0,0: 55:[98, 1, 11] Operation: 27-16=11 Exploring Operation: 98-27=71, Resulting Numbers: [16, 1, 71] Generated Node #0,1: 55:[16, 1, 71] Operation: 98-27=71 Exploring Operation: 98-16=82, Resulting Numbers: [27, 1, 82] Generated Node #0,2: 55:[27, 1, 82] Operation: 98-16=82 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[16, 1, 71], Operations: ['98-27=71'] Exploring Operation: 71-1=70, Resulting Numbers: [16, 70] Generated Node #0,1,0: 55:[16, 70] Operation: 71-1=70 Exploring Operation: 71-16=55, Resulting Numbers: [1, 55] Generated Node #0,1,1: 55:[1, 55] Operation: 71-16=55 Exploring Operation: 16-1=15, Resulting Numbers: [71, 15] Generated Node #0,1,2: 55:[71, 15] Operation: 16-1=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 55:[1, 55], Operations: ['98-27=71', '71-16=55'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[16, 98, 27, 1], Operations: [] Exploring Operation: 98-27=71, Resulting Numbers: [16, 1, 71] Generated Node #0,1: 55:[16, 1, 71] Operation: 98-27=71 Moving to Node #0,1 Current State: 55:[16, 1, 71], Operations: ['98-27=71'] Exploring Operation: 71-16=55, Resulting Numbers: [1, 55] Generated Node #0,1,1: 55:[1, 55] Operation: 71-16=55 Moving to Node #0,1,1 Current State: 55:[1, 55], Operations: ['98-27=71', '71-16=55'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 22, 10, 60, 37 ]
40
[ "37-22=15", "10*60=600", "600/15=40" ]
Current State: 40:[22, 10, 60, 37], Operations: [] Exploring Operation: 37-22=15, Resulting Numbers: [10, 60, 15] Generated Node #2: [10, 60, 15] from Operation: 37-22=15 Current State: 40:[10, 60, 15], Operations: ['37-22=15'] Exploring Operation: 10*60=600, Resulting Numbers: [15, 600] Generated Node #3: [15, 600] from Operation: 10*60=600 Current State: 40:[15, 600], Operations: ['37-22=15', '10*60=600'] Exploring Operation: 600/15=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[22, 10, 60, 37], Operations: [] Exploring Operation: 60-10=50, Resulting Numbers: [22, 37, 50] Generated Node #0,0: 40:[22, 37, 50] Operation: 60-10=50 Exploring Operation: 60-22=38, Resulting Numbers: [10, 37, 38] Generated Node #0,1: 40:[10, 37, 38] Operation: 60-22=38 Exploring Operation: 60/10=6, Resulting Numbers: [22, 37, 6] Generated Node #0,2: 40:[22, 37, 6] Operation: 60/10=6 Exploring Operation: 60-37=23, Resulting Numbers: [22, 10, 23] Generated Node #0,3: 40:[22, 10, 23] Operation: 60-37=23 Moving to Node #0,1 Current State: 40:[10, 37, 38], Operations: ['60-22=38'] Exploring Operation: 10+37=47, Resulting Numbers: [38, 47] Generated Node #0,1,0: 40:[38, 47] Operation: 10+37=47 Exploring Operation: 38-37=1, Resulting Numbers: [10, 1] Generated Node #0,1,1: 40:[10, 1] Operation: 38-37=1 Exploring Operation: 10+38=48, Resulting Numbers: [37, 48] Generated Node #0,1,2: 40:[37, 48] Operation: 10+38=48 Exploring Operation: 37-10=27, Resulting Numbers: [38, 27] Generated Node #0,1,3: 40:[38, 27] Operation: 37-10=27 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 40:[10, 1], Operations: ['60-22=38', '38-37=1'] Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,40 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 #0,1,0 Current State: 40:[38, 47], Operations: ['60-22=38', '10+37=47'] Exploring Operation: 38+47=85, Resulting Numbers: [85] 85,40 unequal: No Solution Exploring Operation: 47-38=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 38*47=1786, Resulting Numbers: [1786] 1786,40 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 #0,1,3 Current State: 40:[38, 27], Operations: ['60-22=38', '37-10=27'] Exploring Operation: 38*27=1026, Resulting Numbers: [1026] 1026,40 unequal: No Solution Exploring Operation: 38+27=65, Resulting Numbers: [65] 65,40 unequal: No Solution Exploring Operation: 38-27=11, Resulting Numbers: [11] 11,40 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:[37, 48], Operations: ['60-22=38', '10+38=48'] Exploring Operation: 37*48=1776, Resulting Numbers: [1776] 1776,40 unequal: No Solution Exploring Operation: 37+48=85, Resulting Numbers: [85] 85,40 unequal: No Solution Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,40 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: 40:[22, 10, 23], Operations: ['60-37=23'] Exploring Operation: 22+23=45, Resulting Numbers: [10, 45] Generated Node #0,3,0: 40:[10, 45] Operation: 22+23=45 Exploring Operation: 23-22=1, Resulting Numbers: [10, 1] Generated Node #0,3,1: 40:[10, 1] Operation: 23-22=1 Exploring Operation: 22-10=12, Resulting Numbers: [23, 12] Generated Node #0,3,2: 40:[23, 12] Operation: 22-10=12 Exploring Operation: 23-10=13, Resulting Numbers: [22, 13] Generated Node #0,3,3: 40:[22, 13] Operation: 23-10=13 Moving to Node #0,2 Current State: 40:[22, 37, 6], Operations: ['60/10=6'] Exploring Operation: 22+6=28, Resulting Numbers: [37, 28] Generated Node #0,2,0: 40:[37, 28] Operation: 22+6=28 Exploring Operation: 37+6=43, Resulting Numbers: [22, 43] Generated Node #0,2,1: 40:[22, 43] Operation: 37+6=43 Exploring Operation: 22-6=16, Resulting Numbers: [37, 16] Generated Node #0,2,2: 40:[37, 16] Operation: 22-6=16 Exploring Operation: 37-22=15, Resulting Numbers: [6, 15] Generated Node #0,2,3: 40:[6, 15] Operation: 37-22=15 Moving to Node #0,0 Current State: 40:[22, 37, 50], Operations: ['60-10=50'] Exploring Operation: 50-22=28, Resulting Numbers: [37, 28] Generated Node #0,0,0: 40:[37, 28] Operation: 50-22=28 Exploring Operation: 37-22=15, Resulting Numbers: [50, 15] Generated Node #0,0,1: 40:[50, 15] Operation: 37-22=15 Exploring Operation: 50-37=13, Resulting Numbers: [22, 13] Generated Node #0,0,2: 40:[22, 13] Operation: 50-37=13 Exploring Operation: 22+37=59, Resulting Numbers: [50, 59] Generated Node #0,0,3: 40:[50, 59] Operation: 22+37=59 Moving to Node #0,3,1 Current State: 40:[10, 1], Operations: ['60-37=23', '23-22=1'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,40 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,40 unequal: No Solution Moving to Node #0,3,2 Current State: 40:[23, 12], Operations: ['60-37=23', '22-10=12'] Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,40 unequal: No Solution Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,40 unequal: No Solution Moving to Node #0,3,0 Current State: 40:[10, 45], Operations: ['60-37=23', '22+23=45'] Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,40 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[22, 43], Operations: ['60/10=6', '37+6=43'] Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,40 unequal: No Solution Exploring Operation: 22*43=946, Resulting Numbers: [946] 946,40 unequal: No Solution Exploring Operation: 22+43=65, Resulting Numbers: [65] 65,40 unequal: No Solution Moving to Node #0,3,3 Current State: 40:[22, 13], Operations: ['60-37=23', '23-10=13'] Exploring Operation: 22*13=286, Resulting Numbers: [286] 286,40 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,40 unequal: No Solution Moving to Node #0,0,2 Current State: 40:[22, 13], Operations: ['60-10=50', '50-37=13'] Exploring Operation: 22*13=286, Resulting Numbers: [286] 286,40 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,40 unequal: No Solution Moving to Node #0,2,3 Current State: 40:[6, 15], Operations: ['60/10=6', '37-22=15'] Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,40 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,40 unequal: No Solution Moving to Node #0,2,2 Current State: 40:[37, 16], Operations: ['60/10=6', '22-6=16'] Exploring Operation: 37+16=53, Resulting Numbers: [53] 53,40 unequal: No Solution Exploring Operation: 37*16=592, Resulting Numbers: [592] 592,40 unequal: No Solution Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,40 unequal: No Solution Moving to Node #0,0,0 Current State: 40:[37, 28], Operations: ['60-10=50', '50-22=28'] Exploring Operation: 37*28=1036, Resulting Numbers: [1036] 1036,40 unequal: No Solution Exploring Operation: 37+28=65, Resulting Numbers: [65] 65,40 unequal: No Solution Exploring Operation: 37-28=9, Resulting Numbers: [9] 9,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[37, 28], Operations: ['60/10=6', '22+6=28'] Exploring Operation: 37-28=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 37+28=65, Resulting Numbers: [65] 65,40 unequal: No Solution Exploring Operation: 37*28=1036, Resulting Numbers: [1036] 1036,40 unequal: No Solution Moving to Node #0,0,1 Current State: 40:[50, 15], Operations: ['60-10=50', '37-22=15'] Exploring Operation: 50-15=35, Resulting Numbers: [35] 35,40 unequal: No Solution Exploring Operation: 50*15=750, Resulting Numbers: [750] 750,40 unequal: No Solution Exploring Operation: 50+15=65, Resulting Numbers: [65] 65,40 unequal: No Solution Moving to Node #0,0,3 Current State: 40:[50, 59], Operations: ['60-10=50', '22+37=59'] Exploring Operation: 50+59=109, Resulting Numbers: [109] 109,40 unequal: No Solution Exploring Operation: 59-50=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 50*59=2950, Resulting Numbers: [2950] 2950,40 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 64, 46, 36, 55 ]
68
[ "55-46=9", "36/9=4", "64+4=68" ]
Current State: 68:[64, 46, 36, 55], Operations: [] Exploring Operation: 55-46=9, Resulting Numbers: [64, 36, 9] Generated Node #2: [64, 36, 9] from Operation: 55-46=9 Current State: 68:[64, 36, 9], Operations: ['55-46=9'] Exploring Operation: 36/9=4, Resulting Numbers: [64, 4] Generated Node #3: [64, 4] from Operation: 36/9=4 Current State: 68:[64, 4], Operations: ['55-46=9', '36/9=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[64, 46, 36, 55], Operations: [] Exploring Operation: 64-46=18, Resulting Numbers: [36, 55, 18] Generated Node #0,0: 68:[36, 55, 18] Operation: 64-46=18 Exploring Operation: 55-46=9, Resulting Numbers: [64, 36, 9] Generated Node #0,1: 68:[64, 36, 9] Operation: 55-46=9 Moving to Node #0,1 Current State: 68:[64, 36, 9], Operations: ['55-46=9'] Exploring Operation: 36/9=4, Resulting Numbers: [64, 4] Generated Node #0,1,0: 68:[64, 4] Operation: 36/9=4 Exploring Operation: 64+9=73, Resulting Numbers: [36, 73] Generated Node #0,1,1: 68:[36, 73] Operation: 64+9=73 Moving to Node #0,0 Current State: 68:[36, 55, 18], Operations: ['64-46=18'] Exploring Operation: 55-18=37, Resulting Numbers: [36, 37] Generated Node #0,0,0: 68:[36, 37] Operation: 55-18=37 Exploring Operation: 55-36=19, Resulting Numbers: [18, 19] Generated Node #0,0,1: 68:[18, 19] Operation: 55-36=19 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[18, 19], Operations: ['64-46=18', '55-36=19'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,68 unequal: No Solution No 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: 68:[36, 37], Operations: ['64-46=18', '55-18=37'] Exploring Operation: 36+37=73, Resulting Numbers: [73] 73,68 unequal: No Solution Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,68 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: 68:[64, 4], Operations: ['55-46=9', '36/9=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[64, 46, 36, 55], Operations: [] Exploring Operation: 55-46=9, Resulting Numbers: [64, 36, 9] Generated Node #0,1: 68:[64, 36, 9] Operation: 55-46=9 Moving to Node #0,1 Current State: 68:[64, 36, 9], Operations: ['55-46=9'] Exploring Operation: 36/9=4, Resulting Numbers: [64, 4] Generated Node #0,1,0: 68:[64, 4] Operation: 36/9=4 Moving to Node #0,1,0 Current State: 68:[64, 4], Operations: ['55-46=9', '36/9=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 88, 64, 82, 66 ]
24
[ "82-64=18", "88*18=1584", "1584/66=24" ]
Current State: 24:[88, 64, 82, 66], Operations: [] Exploring Operation: 82-64=18, Resulting Numbers: [88, 66, 18] Generated Node #2: [88, 66, 18] from Operation: 82-64=18 Current State: 24:[88, 66, 18], Operations: ['82-64=18'] Exploring Operation: 88*18=1584, Resulting Numbers: [66, 1584] Generated Node #3: [66, 1584] from Operation: 88*18=1584 Current State: 24:[66, 1584], Operations: ['82-64=18', '88*18=1584'] Exploring Operation: 1584/66=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[88, 64, 82, 66], Operations: [] Exploring Operation: 88-82=6, Resulting Numbers: [64, 66, 6] Generated Node #0,0: 24:[64, 66, 6] Operation: 88-82=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[64, 66, 6], Operations: ['88-82=6'] Exploring Operation: 66-64=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 24:[6, 2] Operation: 66-64=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[6, 2], Operations: ['88-82=6', '66-64=2'] Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,24 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
[ 2, 48, 32, 56 ]
74
[ "2+48=50", "56-32=24", "50+24=74" ]
Current State: 74:[2, 48, 32, 56], Operations: [] Exploring Operation: 2+48=50, Resulting Numbers: [32, 56, 50] Generated Node #2: [32, 56, 50] from Operation: 2+48=50 Current State: 74:[32, 56, 50], Operations: ['2+48=50'] Exploring Operation: 56-32=24, Resulting Numbers: [50, 24] Generated Node #3: [50, 24] from Operation: 56-32=24 Current State: 74:[50, 24], Operations: ['2+48=50', '56-32=24'] Exploring Operation: 50+24=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[2, 48, 32, 56], Operations: [] Exploring Operation: 48+32=80, Resulting Numbers: [2, 56, 80] Generated Node #0,0: 74:[2, 56, 80] Operation: 48+32=80 Exploring Operation: 32+56=88, Resulting Numbers: [2, 48, 88] Generated Node #0,1: 74:[2, 48, 88] Operation: 32+56=88 Exploring Operation: 56/2=28, Resulting Numbers: [48, 32, 28] Generated Node #0,2: 74:[48, 32, 28] Operation: 56/2=28 Exploring Operation: 56-32=24, Resulting Numbers: [2, 48, 24] Generated Node #0,3: 74:[2, 48, 24] Operation: 56-32=24 Exploring Operation: 56-48=8, Resulting Numbers: [2, 32, 8] Generated Node #0,4: 74:[2, 32, 8] Operation: 56-48=8 Start Sub Search at level 1: Moving to Node #0,4 Current State: 74:[2, 32, 8], Operations: ['56-48=8'] Exploring Operation: 2+32=34, Resulting Numbers: [8, 34] Generated Node #0,4,0: 74:[8, 34] Operation: 2+32=34 Exploring Operation: 32/8=4, Resulting Numbers: [2, 4] Generated Node #0,4,1: 74:[2, 4] Operation: 32/8=4 Exploring Operation: 32+8=40, Resulting Numbers: [2, 40] Generated Node #0,4,2: 74:[2, 40] Operation: 32+8=40 Exploring Operation: 8-2=6, Resulting Numbers: [32, 6] Generated Node #0,4,3: 74:[32, 6] Operation: 8-2=6 Exploring Operation: 8/2=4, Resulting Numbers: [32, 4] Generated Node #0,4,4: 74:[32, 4] Operation: 8/2=4 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 74:[2, 4], Operations: ['56-48=8', '32/8=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,74 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,74 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,74 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 74:[2, 40], Operations: ['56-48=8', '32+8=40'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,74 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,74 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 74:[32, 4], Operations: ['56-48=8', '8/2=4'] Exploring Operation: 32*4=128, Resulting Numbers: [128] 128,74 unequal: No Solution Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,74 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 74:[8, 34], Operations: ['56-48=8', '2+32=34'] Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 8+34=42, Resulting Numbers: [42] 42,74 unequal: No Solution Exploring Operation: 8*34=272, Resulting Numbers: [272] 272,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 74:[32, 6], Operations: ['56-48=8', '8-2=6'] Exploring Operation: 32*6=192, Resulting Numbers: [192] 192,74 unequal: No Solution Exploring Operation: 32+6=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[2, 56, 80], Operations: ['48+32=80'] Exploring Operation: 56/2=28, Resulting Numbers: [80, 28] Generated Node #0,0,0: 74:[80, 28] Operation: 56/2=28 Exploring Operation: 80/2=40, Resulting Numbers: [56, 40] Generated Node #0,0,1: 74:[56, 40] Operation: 80/2=40 Exploring Operation: 80-56=24, Resulting Numbers: [2, 24] Generated Node #0,0,2: 74:[2, 24] Operation: 80-56=24 Exploring Operation: 80-2=78, Resulting Numbers: [56, 78] Generated Node #0,0,3: 74:[56, 78] Operation: 80-2=78 Exploring Operation: 2+56=58, Resulting Numbers: [80, 58] Generated Node #0,0,4: 74:[80, 58] Operation: 2+56=58 Moving to Node #0,0,2 Current State: 74:[2, 24], Operations: ['48+32=80', '80-56=24'] Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,74 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,74 unequal: No Solution Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[80, 28], Operations: ['48+32=80', '56/2=28'] Exploring Operation: 80*28=2240, Resulting Numbers: [2240] 2240,74 unequal: No Solution Exploring Operation: 80+28=108, Resulting Numbers: [108] 108,74 unequal: No Solution Exploring Operation: 80-28=52, Resulting Numbers: [52] 52,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[56, 40], Operations: ['48+32=80', '80/2=40'] Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 56+40=96, Resulting Numbers: [96] 96,74 unequal: No Solution Exploring Operation: 56*40=2240, Resulting Numbers: [2240] 2240,74 unequal: No Solution Moving to Node #0,0,3 Current State: 74:[56, 78], Operations: ['48+32=80', '80-2=78'] Exploring Operation: 78-56=22, Resulting Numbers: [22] 22,74 unequal: No Solution Exploring Operation: 56+78=134, Resulting Numbers: [134] 134,74 unequal: No Solution Exploring Operation: 56*78=4368, Resulting Numbers: [4368] 4368,74 unequal: No Solution Moving to Node #0,0,4 Current State: 74:[80, 58], Operations: ['48+32=80', '2+56=58'] Exploring Operation: 80+58=138, Resulting Numbers: [138] 138,74 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,74 unequal: No Solution Exploring Operation: 80*58=4640, Resulting Numbers: [4640] 4640,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[2, 48, 24], Operations: ['56-32=24'] Exploring Operation: 48/24=2, Resulting Numbers: [2, 2] Generated Node #0,3,0: 74:[2, 2] Operation: 48/24=2 Exploring Operation: 48-2=46, Resulting Numbers: [24, 46] Generated Node #0,3,1: 74:[24, 46] Operation: 48-2=46 Exploring Operation: 24/2=12, Resulting Numbers: [48, 12] Generated Node #0,3,2: 74:[48, 12] Operation: 24/2=12 Exploring Operation: 48-24=24, Resulting Numbers: [2, 24] Generated Node #0,3,3: 74:[2, 24] Operation: 48-24=24 Exploring Operation: 48+24=72, Resulting Numbers: [2, 72] Generated Node #0,3,4: 74:[2, 72] Operation: 48+24=72 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 74:[2, 2], Operations: ['56-32=24', '48/24=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,74 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,74 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 74:[2, 72], Operations: ['56-32=24', '48+24=72'] Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[2, 48, 32, 56], Operations: [] Exploring Operation: 56-32=24, Resulting Numbers: [2, 48, 24] Generated Node #0,3: 74:[2, 48, 24] Operation: 56-32=24 Moving to Node #0,3 Current State: 74:[2, 48, 24], Operations: ['56-32=24'] Exploring Operation: 48+24=72, Resulting Numbers: [2, 72] Generated Node #0,3,4: 74:[2, 72] Operation: 48+24=72 Moving to Node #0,3,4 Current State: 74:[2, 72], Operations: ['56-32=24', '48+24=72'] Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.945313
hs_5
sum_heuristic
[ 85, 10, 70, 25 ]
18
[ "85+70=155", "25+155=180", "180/10=18" ]
Current State: 18:[85, 10, 70, 25], Operations: [] Exploring Operation: 85+70=155, Resulting Numbers: [10, 25, 155] Generated Node #2: [10, 25, 155] from Operation: 85+70=155 Current State: 18:[10, 25, 155], Operations: ['85+70=155'] Exploring Operation: 25+155=180, Resulting Numbers: [10, 180] Generated Node #3: [10, 180] from Operation: 25+155=180 Current State: 18:[10, 180], Operations: ['85+70=155', '25+155=180'] Exploring Operation: 180/10=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[85, 10, 70, 25], Operations: [] Exploring Operation: 70/10=7, Resulting Numbers: [85, 25, 7] Generated Node #0,0: 18:[85, 25, 7] Operation: 70/10=7 Exploring Operation: 85-25=60, Resulting Numbers: [10, 70, 60] Generated Node #0,1: 18:[10, 70, 60] Operation: 85-25=60 Exploring Operation: 85-70=15, Resulting Numbers: [10, 25, 15] Generated Node #0,2: 18:[10, 25, 15] Operation: 85-70=15 Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[10, 25, 15], Operations: ['85-70=15'] Exploring Operation: 25-10=15, Resulting Numbers: [15, 15] Generated Node #0,2,0: 18:[15, 15] Operation: 25-10=15 Exploring Operation: 25-15=10, Resulting Numbers: [10, 10] Generated Node #0,2,1: 18:[10, 10] Operation: 25-15=10 Exploring Operation: 15-10=5, Resulting Numbers: [25, 5] Generated Node #0,2,2: 18:[25, 5] Operation: 15-10=5 Moving to Node #0,2,1 Current State: 18:[10, 10], Operations: ['85-70=15', '25-15=10'] Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,18 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[15, 15], Operations: ['85-70=15', '25-10=15'] Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 15-15=0, Resulting Numbers: [0] 0,18 unequal: No Solution Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[25, 5], Operations: ['85-70=15', '15-10=5'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,18 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[85, 25, 7], Operations: ['70/10=7'] Exploring Operation: 25-7=18, Resulting Numbers: [85, 18] Generated Node #0,0,0: 18:[85, 18] Operation: 25-7=18 Exploring Operation: 85-7=78, Resulting Numbers: [25, 78] Generated Node #0,0,1: 18:[25, 78] Operation: 85-7=78 Exploring Operation: 85-25=60, Resulting Numbers: [7, 60] Generated Node #0,0,2: 18:[7, 60] Operation: 85-25=60 Moving to Node #0,0,2 Current State: 18:[7, 60], Operations: ['70/10=7', '85-25=60'] Exploring Operation: 7*60=420, Resulting Numbers: [420] 420,18 unequal: No Solution Exploring Operation: 7+60=67, Resulting Numbers: [67] 67,18 unequal: No Solution Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[85, 18], Operations: ['70/10=7', '25-7=18'] Exploring Operation: 85-18=67, Resulting Numbers: [67] 67,18 unequal: No Solution Exploring Operation: 85*18=1530, Resulting Numbers: [1530] 1530,18 unequal: No Solution Exploring Operation: 85+18=103, Resulting Numbers: [103] 103,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[25, 78], Operations: ['70/10=7', '85-7=78'] Exploring Operation: 25*78=1950, Resulting Numbers: [1950] 1950,18 unequal: No Solution Exploring Operation: 25+78=103, Resulting Numbers: [103] 103,18 unequal: No Solution Exploring Operation: 78-25=53, Resulting Numbers: [53] 53,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[10, 70, 60], Operations: ['85-25=60'] Exploring Operation: 70/10=7, Resulting Numbers: [60, 7] Generated Node #0,1,0: 18:[60, 7] Operation: 70/10=7 Exploring Operation: 60/10=6, Resulting Numbers: [70, 6] Generated Node #0,1,1: 18:[70, 6] Operation: 60/10=6 Exploring Operation: 70-60=10, Resulting Numbers: [10, 10] Generated Node #0,1,2: 18:[10, 10] Operation: 70-60=10 Moving to Node #0,1,2 Current State: 18:[10, 10], Operations: ['85-25=60', '70-60=10'] Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,18 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[60, 7], Operations: ['85-25=60', '70/10=7'] Exploring Operation: 60*7=420, Resulting Numbers: [420] 420,18 unequal: No Solution Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,18 unequal: No Solution Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[70, 6], Operations: ['85-25=60', '60/10=6'] Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,18 unequal: No Solution Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,18 unequal: No Solution Exploring Operation: 70*6=420, Resulting Numbers: [420] 420,18 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
[ 84, 65, 12, 24 ]
61
[ "84+12=96", "96/24=4", "65-4=61" ]
Current State: 61:[84, 65, 12, 24], Operations: [] Exploring Operation: 84+12=96, Resulting Numbers: [65, 24, 96] Generated Node #2: [65, 24, 96] from Operation: 84+12=96 Current State: 61:[65, 24, 96], Operations: ['84+12=96'] Exploring Operation: 96/24=4, Resulting Numbers: [65, 4] Generated Node #3: [65, 4] from Operation: 96/24=4 Current State: 61:[65, 4], Operations: ['84+12=96', '96/24=4'] Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[84, 65, 12, 24], Operations: [] Exploring Operation: 12+24=36, Resulting Numbers: [84, 65, 36] Generated Node #0,0: 61:[84, 65, 36] Operation: 12+24=36 Exploring Operation: 84-24=60, Resulting Numbers: [65, 12, 60] Generated Node #0,1: 61:[65, 12, 60] Operation: 84-24=60 Exploring Operation: 84-12=72, Resulting Numbers: [65, 24, 72] Generated Node #0,2: 61:[65, 24, 72] Operation: 84-12=72 Moving to Node #0,0 Current State: 61:[84, 65, 36], Operations: ['12+24=36'] Exploring Operation: 65-36=29, Resulting Numbers: [84, 29] Generated Node #0,0,0: 61:[84, 29] Operation: 65-36=29 Exploring Operation: 84+36=120, Resulting Numbers: [65, 120] Generated Node #0,0,1: 61:[65, 120] Operation: 84+36=120 Exploring Operation: 84-36=48, Resulting Numbers: [65, 48] Generated Node #0,0,2: 61:[65, 48] Operation: 84-36=48 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 61:[65, 48], Operations: ['12+24=36', '84-36=48'] Exploring Operation: 65-48=17, Resulting Numbers: [17] 17,61 unequal: No Solution Exploring Operation: 65*48=3120, Resulting Numbers: [3120] 3120,61 unequal: No Solution Exploring Operation: 65+48=113, Resulting Numbers: [113] 113,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[84, 29], Operations: ['12+24=36', '65-36=29'] Exploring Operation: 84-29=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 84+29=113, Resulting Numbers: [113] 113,61 unequal: No Solution Exploring Operation: 84*29=2436, Resulting Numbers: [2436] 2436,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[65, 120], Operations: ['12+24=36', '84+36=120'] Exploring Operation: 120-65=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 65*120=7800, Resulting Numbers: [7800] 7800,61 unequal: No Solution Exploring Operation: 65+120=185, Resulting Numbers: [185] 185,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 61:[65, 24, 72], Operations: ['84-12=72'] Exploring Operation: 72-24=48, Resulting Numbers: [65, 48] Generated Node #0,2,0: 61:[65, 48] Operation: 72-24=48 Exploring Operation: 65+24=89, Resulting Numbers: [72, 89] Generated Node #0,2,1: 61:[72, 89] Operation: 65+24=89 Exploring Operation: 65-24=41, Resulting Numbers: [72, 41] Generated Node #0,2,2: 61:[72, 41] Operation: 65-24=41 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 61:[65, 48], Operations: ['84-12=72', '72-24=48'] Exploring Operation: 65-48=17, Resulting Numbers: [17] 17,61 unequal: No Solution Exploring Operation: 65*48=3120, Resulting Numbers: [3120] 3120,61 unequal: No Solution Exploring Operation: 65+48=113, Resulting Numbers: [113] 113,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 61:[72, 41], Operations: ['84-12=72', '65-24=41'] Exploring Operation: 72-41=31, Resulting Numbers: [31] 31,61 unequal: No Solution Exploring Operation: 72+41=113, Resulting Numbers: [113] 113,61 unequal: No Solution Exploring Operation: 72*41=2952, Resulting Numbers: [2952] 2952,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 61:[72, 89], Operations: ['84-12=72', '65+24=89'] Exploring Operation: 72+89=161, Resulting Numbers: [161] 161,61 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,61 unequal: No Solution Exploring Operation: 72*89=6408, Resulting Numbers: [6408] 6408,61 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: 61:[65, 12, 60], Operations: ['84-24=60'] Exploring Operation: 65-12=53, Resulting Numbers: [60, 53] Generated Node #0,1,0: 61:[60, 53] Operation: 65-12=53 Exploring Operation: 12+60=72, Resulting Numbers: [65, 72] Generated Node #0,1,1: 61:[65, 72] Operation: 12+60=72 Exploring Operation: 65+12=77, Resulting Numbers: [60, 77] Generated Node #0,1,2: 61:[60, 77] Operation: 65+12=77 Moving to Node #0,1,0 Current State: 61:[60, 53], Operations: ['84-24=60', '65-12=53'] Exploring Operation: 60+53=113, Resulting Numbers: [113] 113,61 unequal: No Solution Exploring Operation: 60-53=7, Resulting Numbers: [7] 7,61 unequal: No Solution Exploring Operation: 60*53=3180, Resulting Numbers: [3180] 3180,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[65, 72], Operations: ['84-24=60', '12+60=72'] Exploring Operation: 65+72=137, Resulting Numbers: [137] 137,61 unequal: No Solution Exploring Operation: 65*72=4680, Resulting Numbers: [4680] 4680,61 unequal: No Solution Exploring Operation: 72-65=7, Resulting Numbers: [7] 7,61 unequal: No Solution Moving to Node #0,1,2 Current State: 61:[60, 77], Operations: ['84-24=60', '65+12=77'] Exploring Operation: 77-60=17, Resulting Numbers: [17] 17,61 unequal: No Solution Exploring Operation: 60+77=137, Resulting Numbers: [137] 137,61 unequal: No Solution Exploring Operation: 60*77=4620, Resulting Numbers: [4620] 4620,61 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 62, 61, 73, 31 ]
49
[ "62*61=3782", "3782/31=122", "122-73=49" ]
Current State: 49:[62, 61, 73, 31], Operations: [] Exploring Operation: 62*61=3782, Resulting Numbers: [73, 31, 3782] Generated Node #2: [73, 31, 3782] from Operation: 62*61=3782 Current State: 49:[73, 31, 3782], Operations: ['62*61=3782'] Exploring Operation: 3782/31=122, Resulting Numbers: [73, 122] Generated Node #3: [73, 122] from Operation: 3782/31=122 Current State: 49:[73, 122], Operations: ['62*61=3782', '3782/31=122'] Exploring Operation: 122-73=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[62, 61, 73, 31], Operations: [] Exploring Operation: 73-61=12, Resulting Numbers: [62, 31, 12] Generated Node #0,0: 49:[62, 31, 12] Operation: 73-61=12 Exploring Operation: 62/31=2, Resulting Numbers: [61, 73, 2] Generated Node #0,1: 49:[61, 73, 2] Operation: 62/31=2 Exploring Operation: 73-31=42, Resulting Numbers: [62, 61, 42] Generated Node #0,2: 49:[62, 61, 42] Operation: 73-31=42 Exploring Operation: 73-62=11, Resulting Numbers: [61, 31, 11] Generated Node #0,3: 49:[61, 31, 11] Operation: 73-62=11 Moving to Node #0,2 Current State: 49:[62, 61, 42], Operations: ['73-31=42'] Exploring Operation: 61-42=19, Resulting Numbers: [62, 19] Generated Node #0,2,0: 49:[62, 19] Operation: 61-42=19 Exploring Operation: 62-42=20, Resulting Numbers: [61, 20] Generated Node #0,2,1: 49:[61, 20] Operation: 62-42=20 Exploring Operation: 62+42=104, Resulting Numbers: [61, 104] Generated Node #0,2,2: 49:[61, 104] Operation: 62+42=104 Exploring Operation: 62-61=1, Resulting Numbers: [42, 1] Generated Node #0,2,3: 49:[42, 1] Operation: 62-61=1 Moving to Node #0,3 Current State: 49:[61, 31, 11], Operations: ['73-62=11'] Exploring Operation: 31-11=20, Resulting Numbers: [61, 20] Generated Node #0,3,0: 49:[61, 20] Operation: 31-11=20 Exploring Operation: 61-11=50, Resulting Numbers: [31, 50] Generated Node #0,3,1: 49:[31, 50] Operation: 61-11=50 Exploring Operation: 31+11=42, Resulting Numbers: [61, 42] Generated Node #0,3,2: 49:[61, 42] Operation: 31+11=42 Exploring Operation: 61-31=30, Resulting Numbers: [11, 30] Generated Node #0,3,3: 49:[11, 30] Operation: 61-31=30 Moving to Node #0,0 Current State: 49:[62, 31, 12], Operations: ['73-61=12'] Exploring Operation: 31+12=43, Resulting Numbers: [62, 43] Generated Node #0,0,0: 49:[62, 43] Operation: 31+12=43 Exploring Operation: 62/31=2, Resulting Numbers: [12, 2] Generated Node #0,0,1: 49:[12, 2] Operation: 62/31=2 Exploring Operation: 62-31=31, Resulting Numbers: [12, 31] Generated Node #0,0,2: 49:[12, 31] Operation: 62-31=31 Exploring Operation: 62-12=50, Resulting Numbers: [31, 50] Generated Node #0,0,3: 49:[31, 50] Operation: 62-12=50 Moving to Node #0,1 Current State: 49:[61, 73, 2], Operations: ['62/31=2'] Exploring Operation: 61+2=63, Resulting Numbers: [73, 63] Generated Node #0,1,0: 49:[73, 63] Operation: 61+2=63 Exploring Operation: 73-2=71, Resulting Numbers: [61, 71] Generated Node #0,1,1: 49:[61, 71] Operation: 73-2=71 Exploring Operation: 73-61=12, Resulting Numbers: [2, 12] Generated Node #0,1,2: 49:[2, 12] Operation: 73-61=12 Exploring Operation: 61-2=59, Resulting Numbers: [73, 59] Generated Node #0,1,3: 49:[73, 59] Operation: 61-2=59 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[2, 12], Operations: ['62/31=2', '73-61=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[61, 71], Operations: ['62/31=2', '73-2=71'] Exploring Operation: 71-61=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 61+71=132, Resulting Numbers: [132] 132,49 unequal: No Solution Exploring Operation: 61*71=4331, Resulting Numbers: [4331] 4331,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 49:[73, 59], Operations: ['62/31=2', '61-2=59'] Exploring Operation: 73*59=4307, Resulting Numbers: [4307] 4307,49 unequal: No Solution Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 73+59=132, Resulting Numbers: [132] 132,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[73, 63], Operations: ['62/31=2', '61+2=63'] Exploring Operation: 73*63=4599, Resulting Numbers: [4599] 4599,49 unequal: No Solution Exploring Operation: 73-63=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 73+63=136, Resulting Numbers: [136] 136,49 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: 49:[12, 2], Operations: ['73-61=12', '62/31=2'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[42, 1], Operations: ['73-31=42', '62-61=1'] Exploring Operation: 42+1=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,49 unequal: No Solution Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,49 unequal: No Solution Moving to Node #0,3,2 Current State: 49:[61, 42], Operations: ['73-62=11', '31+11=42'] Exploring Operation: 61*42=2562, Resulting Numbers: [2562] 2562,49 unequal: No Solution Exploring Operation: 61+42=103, Resulting Numbers: [103] 103,49 unequal: No Solution Exploring Operation: 61-42=19, Resulting Numbers: [19] 19,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[62, 43], Operations: ['73-61=12', '31+12=43'] Exploring Operation: 62*43=2666, Resulting Numbers: [2666] 2666,49 unequal: No Solution Exploring Operation: 62+43=105, Resulting Numbers: [105] 105,49 unequal: No Solution Exploring Operation: 62-43=19, Resulting Numbers: [19] 19,49 unequal: No Solution Moving to Node #0,0,3 Current State: 49:[31, 50], Operations: ['73-61=12', '62-12=50'] Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 31*50=1550, Resulting Numbers: [1550] 1550,49 unequal: No Solution Exploring Operation: 31+50=81, Resulting Numbers: [81] 81,49 unequal: No Solution Moving to Node #0,3,1 Current State: 49:[31, 50], Operations: ['73-62=11', '61-11=50'] Exploring Operation: 31*50=1550, Resulting Numbers: [1550] 1550,49 unequal: No Solution Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 31+50=81, Resulting Numbers: [81] 81,49 unequal: No Solution Moving to Node #0,3,3 Current State: 49:[11, 30], Operations: ['73-62=11', '61-31=30'] Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 11*30=330, Resulting Numbers: [330] 330,49 unequal: No Solution Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[12, 31], Operations: ['73-61=12', '62-31=31'] Exploring Operation: 12+31=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 12*31=372, Resulting Numbers: [372] 372,49 unequal: No Solution Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[61, 20], Operations: ['73-31=42', '62-42=20'] Exploring Operation: 61*20=1220, Resulting Numbers: [1220] 1220,49 unequal: No Solution Exploring Operation: 61+20=81, Resulting Numbers: [81] 81,49 unequal: No Solution Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[62, 19], Operations: ['73-31=42', '61-42=19'] Exploring Operation: 62+19=81, Resulting Numbers: [81] 81,49 unequal: No Solution Exploring Operation: 62*19=1178, Resulting Numbers: [1178] 1178,49 unequal: No Solution Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,49 unequal: No Solution Moving to Node #0,3,0 Current State: 49:[61, 20], Operations: ['73-62=11', '31-11=20'] Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 61+20=81, Resulting Numbers: [81] 81,49 unequal: No Solution Exploring Operation: 61*20=1220, Resulting Numbers: [1220] 1220,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[61, 104], Operations: ['73-31=42', '62+42=104'] Exploring Operation: 61+104=165, Resulting Numbers: [165] 165,49 unequal: No Solution Exploring Operation: 104-61=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 61*104=6344, Resulting Numbers: [6344] 6344,49 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 75, 83, 48, 65 ]
45
[ "75+83=158", "48+65=113", "158-113=45" ]
Current State: 45:[75, 83, 48, 65], Operations: [] Exploring Operation: 75+83=158, Resulting Numbers: [48, 65, 158] Generated Node #2: [48, 65, 158] from Operation: 75+83=158 Current State: 45:[48, 65, 158], Operations: ['75+83=158'] Exploring Operation: 48+65=113, Resulting Numbers: [158, 113] Generated Node #3: [158, 113] from Operation: 48+65=113 Current State: 45:[158, 113], Operations: ['75+83=158', '48+65=113'] Exploring Operation: 158-113=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[75, 83, 48, 65], Operations: [] Exploring Operation: 83-75=8, Resulting Numbers: [48, 65, 8] Generated Node #0,0: 45:[48, 65, 8] Operation: 83-75=8 Exploring Operation: 83-65=18, Resulting Numbers: [75, 48, 18] Generated Node #0,1: 45:[75, 48, 18] Operation: 83-65=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[48, 65, 8], Operations: ['83-75=8'] Exploring Operation: 65-48=17, Resulting Numbers: [8, 17] Generated Node #0,0,0: 45:[8, 17] Operation: 65-48=17 Exploring Operation: 65-8=57, Resulting Numbers: [48, 57] Generated Node #0,0,1: 45:[48, 57] Operation: 65-8=57 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[8, 17], Operations: ['83-75=8', '65-48=17'] Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[48, 57], Operations: ['83-75=8', '65-8=57'] Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[75, 48, 18], Operations: ['83-65=18'] Exploring Operation: 75-18=57, Resulting Numbers: [48, 57] Generated Node #0,1,0: 45:[48, 57] Operation: 75-18=57 Exploring Operation: 75-48=27, Resulting Numbers: [18, 27] Generated Node #0,1,1: 45:[18, 27] Operation: 75-48=27 Moving to Node #0,1,0 Current State: 45:[48, 57], Operations: ['83-65=18', '75-18=57'] Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[18, 27], Operations: ['83-65=18', '75-48=27'] Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 18+27=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[75, 83, 48, 65], Operations: [] Exploring Operation: 83-65=18, Resulting Numbers: [75, 48, 18] Generated Node #0,1: 45:[75, 48, 18] Operation: 83-65=18 Moving to Node #0,1 Current State: 45:[75, 48, 18], Operations: ['83-65=18'] Exploring Operation: 75-48=27, Resulting Numbers: [18, 27] Generated Node #0,1,1: 45:[18, 27] Operation: 75-48=27 Moving to Node #0,1,1 Current State: 45:[18, 27], Operations: ['83-65=18', '75-48=27'] Exploring Operation: 18+27=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
mult_heuristic
[ 44, 58, 22, 24 ]
51
[ "44+58=102", "24-22=2", "102/2=51" ]
Current State: 51:[44, 58, 22, 24], Operations: [] Exploring Operation: 44+58=102, Resulting Numbers: [22, 24, 102] Generated Node #2: [22, 24, 102] from Operation: 44+58=102 Current State: 51:[22, 24, 102], Operations: ['44+58=102'] Exploring Operation: 24-22=2, Resulting Numbers: [102, 2] Generated Node #3: [102, 2] from Operation: 24-22=2 Current State: 51:[102, 2], Operations: ['44+58=102', '24-22=2'] Exploring Operation: 102/2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[44, 58, 22, 24], Operations: [] Exploring Operation: 58-44=14, Resulting Numbers: [22, 24, 14] Generated Node #0,0: 51:[22, 24, 14] Operation: 58-44=14 Exploring Operation: 24-22=2, Resulting Numbers: [44, 58, 2] Generated Node #0,1: 51:[44, 58, 2] Operation: 24-22=2 Exploring Operation: 44/22=2, Resulting Numbers: [58, 24, 2] Generated Node #0,2: 51:[58, 24, 2] Operation: 44/22=2 Exploring Operation: 44-24=20, Resulting Numbers: [58, 22, 20] Generated Node #0,3: 51:[58, 22, 20] Operation: 44-24=20 Moving to Node #0,0 Current State: 51:[22, 24, 14], Operations: ['58-44=14'] Exploring Operation: 24-22=2, Resulting Numbers: [14, 2] Generated Node #0,0,0: 51:[14, 2] Operation: 24-22=2 Exploring Operation: 22+24=46, Resulting Numbers: [14, 46] Generated Node #0,0,1: 51:[14, 46] Operation: 22+24=46 Exploring Operation: 24-14=10, Resulting Numbers: [22, 10] Generated Node #0,0,2: 51:[22, 10] Operation: 24-14=10 Exploring Operation: 22-14=8, Resulting Numbers: [24, 8] Generated Node #0,0,3: 51:[24, 8] Operation: 22-14=8 Moving to Node #0,2 Current State: 51:[58, 24, 2], Operations: ['44/22=2'] Exploring Operation: 24*2=48, Resulting Numbers: [58, 48] Generated Node #0,2,0: 51:[58, 48] Operation: 24*2=48 Exploring Operation: 58-2=56, Resulting Numbers: [24, 56] Generated Node #0,2,1: 51:[24, 56] Operation: 58-2=56 Exploring Operation: 24/2=12, Resulting Numbers: [58, 12] Generated Node #0,2,2: 51:[58, 12] Operation: 24/2=12 Exploring Operation: 24-2=22, Resulting Numbers: [58, 22] Generated Node #0,2,3: 51:[58, 22] Operation: 24-2=22 Moving to Node #0,1 Current State: 51:[44, 58, 2], Operations: ['24-22=2'] Exploring Operation: 58-2=56, Resulting Numbers: [44, 56] Generated Node #0,1,0: 51:[44, 56] Operation: 58-2=56 Exploring Operation: 44/2=22, Resulting Numbers: [58, 22] Generated Node #0,1,1: 51:[58, 22] Operation: 44/2=22 Exploring Operation: 58-44=14, Resulting Numbers: [2, 14] Generated Node #0,1,2: 51:[2, 14] Operation: 58-44=14 Exploring Operation: 44+2=46, Resulting Numbers: [58, 46] Generated Node #0,1,3: 51:[58, 46] Operation: 44+2=46 Moving to Node #0,3 Current State: 51:[58, 22, 20], Operations: ['44-24=20'] Exploring Operation: 22-20=2, Resulting Numbers: [58, 2] Generated Node #0,3,0: 51:[58, 2] Operation: 22-20=2 Exploring Operation: 58-20=38, Resulting Numbers: [22, 38] Generated Node #0,3,1: 51:[22, 38] Operation: 58-20=38 Exploring Operation: 22+20=42, Resulting Numbers: [58, 42] Generated Node #0,3,2: 51:[58, 42] Operation: 22+20=42 Exploring Operation: 58-22=36, Resulting Numbers: [20, 36] Generated Node #0,3,3: 51:[20, 36] Operation: 58-22=36 Moving to Node #0,0,0 Current State: 51:[14, 2], Operations: ['58-44=14', '24-22=2'] Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[2, 14], Operations: ['24-22=2', '58-44=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,51 unequal: No Solution Moving to Node #0,3,0 Current State: 51:[58, 2], Operations: ['44-24=20', '22-20=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,51 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 58*2=116, Resulting Numbers: [116] 116,51 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[14, 46], Operations: ['58-44=14', '22+24=46'] Exploring Operation: 14*46=644, Resulting Numbers: [644] 644,51 unequal: No Solution Exploring Operation: 14+46=60, Resulting Numbers: [60] 60,51 unequal: No Solution Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[58, 48], Operations: ['44/22=2', '24*2=48'] Exploring Operation: 58-48=10, Resulting Numbers: [10] 10,51 unequal: No Solution Exploring Operation: 58*48=2784, Resulting Numbers: [2784] 2784,51 unequal: No Solution Exploring Operation: 58+48=106, Resulting Numbers: [106] 106,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[58, 12], Operations: ['44/22=2', '24/2=12'] Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,51 unequal: No Solution Exploring Operation: 58*12=696, Resulting Numbers: [696] 696,51 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[22, 10], Operations: ['58-44=14', '24-14=10'] Exploring Operation: 22*10=220, Resulting Numbers: [220] 220,51 unequal: No Solution Exploring Operation: 22+10=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,51 unequal: No Solution Moving to Node #0,1,3 Current State: 51:[58, 46], Operations: ['24-22=2', '44+2=46'] Exploring Operation: 58+46=104, Resulting Numbers: [104] 104,51 unequal: No Solution Exploring Operation: 58*46=2668, Resulting Numbers: [2668] 2668,51 unequal: No Solution Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[24, 56], Operations: ['44/22=2', '58-2=56'] Exploring Operation: 24*56=1344, Resulting Numbers: [1344] 1344,51 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 24+56=80, Resulting Numbers: [80] 80,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[58, 22], Operations: ['24-22=2', '44/2=22'] Exploring Operation: 58+22=80, Resulting Numbers: [80] 80,51 unequal: No Solution Exploring Operation: 58-22=36, Resulting Numbers: [36] 36,51 unequal: No Solution Exploring Operation: 58*22=1276, Resulting Numbers: [1276] 1276,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[44, 56], Operations: ['24-22=2', '58-2=56'] Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 44+56=100, Resulting Numbers: [100] 100,51 unequal: No Solution Exploring Operation: 44*56=2464, Resulting Numbers: [2464] 2464,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[58, 22], Operations: ['44/22=2', '24-2=22'] Exploring Operation: 58-22=36, Resulting Numbers: [36] 36,51 unequal: No Solution Exploring Operation: 58*22=1276, Resulting Numbers: [1276] 1276,51 unequal: No Solution Exploring Operation: 58+22=80, Resulting Numbers: [80] 80,51 unequal: No Solution Moving to Node #0,0,3 Current State: 51:[24, 8], Operations: ['58-44=14', '22-14=8'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,51 unequal: No Solution Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,51 unequal: No Solution Moving to Node #0,3,2 Current State: 51:[58, 42], Operations: ['44-24=20', '22+20=42'] Exploring Operation: 58+42=100, Resulting Numbers: [100] 100,51 unequal: No Solution Exploring Operation: 58-42=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 58*42=2436, Resulting Numbers: [2436] 2436,51 unequal: No Solution Moving to Node #0,3,1 Current State: 51:[22, 38], Operations: ['44-24=20', '58-20=38'] Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,51 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,51 unequal: No Solution Moving to Node #0,3,3 Current State: 51:[20, 36], Operations: ['44-24=20', '58-22=36'] Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 20+36=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 20*36=720, Resulting Numbers: [720] 720,51 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 10, 9, 14, 44 ]
84
[ "10+44=54", "54/9=6", "14*6=84" ]
Current State: 84:[10, 9, 14, 44], Operations: [] Exploring Operation: 10+44=54, Resulting Numbers: [9, 14, 54] Generated Node #2: [9, 14, 54] from Operation: 10+44=54 Current State: 84:[9, 14, 54], Operations: ['10+44=54'] Exploring Operation: 54/9=6, Resulting Numbers: [14, 6] Generated Node #3: [14, 6] from Operation: 54/9=6 Current State: 84:[14, 6], Operations: ['10+44=54', '54/9=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[10, 9, 14, 44], Operations: [] Exploring Operation: 10+9=19, Resulting Numbers: [14, 44, 19] Generated Node #0,0: 84:[14, 44, 19] Operation: 10+9=19 Exploring Operation: 14-10=4, Resulting Numbers: [9, 44, 4] Generated Node #0,1: 84:[9, 44, 4] Operation: 14-10=4 Exploring Operation: 10-9=1, Resulting Numbers: [14, 44, 1] Generated Node #0,2: 84:[14, 44, 1] Operation: 10-9=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[14, 44, 1], Operations: ['10-9=1'] Exploring Operation: 14*1=14, Resulting Numbers: [44, 14] Generated Node #0,2,0: 84:[44, 14] Operation: 14*1=14 Exploring Operation: 44-1=43, Resulting Numbers: [14, 43] Generated Node #0,2,1: 84:[14, 43] Operation: 44-1=43 Exploring Operation: 14/1=14, Resulting Numbers: [44, 14] Generated Node #0,2,2: 84:[44, 14] Operation: 14/1=14 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 84:[14, 43], Operations: ['10-9=1', '44-1=43'] Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 14+43=57, Resulting Numbers: [57] 57,84 unequal: No Solution Exploring Operation: 14*43=602, Resulting Numbers: [602] 602,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 84:[44, 14], Operations: ['10-9=1', '14*1=14'] Exploring Operation: 44*14=616, Resulting Numbers: [616] 616,84 unequal: No Solution Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,84 unequal: No Solution Exploring Operation: 44+14=58, Resulting Numbers: [58] 58,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 84:[44, 14], Operations: ['10-9=1', '14/1=14'] Exploring Operation: 44+14=58, Resulting Numbers: [58] 58,84 unequal: No Solution Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,84 unequal: No Solution Exploring Operation: 44*14=616, Resulting Numbers: [616] 616,84 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: 84:[14, 44, 19], Operations: ['10+9=19'] Exploring Operation: 44-19=25, Resulting Numbers: [14, 25] Generated Node #0,0,0: 84:[14, 25] Operation: 44-19=25 Exploring Operation: 19-14=5, Resulting Numbers: [44, 5] Generated Node #0,0,1: 84:[44, 5] Operation: 19-14=5 Exploring Operation: 44-14=30, Resulting Numbers: [19, 30] Generated Node #0,0,2: 84:[19, 30] Operation: 44-14=30 Moving to Node #0,0,0 Current State: 84:[14, 25], Operations: ['10+9=19', '44-19=25'] Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,84 unequal: No Solution Exploring Operation: 14*25=350, Resulting Numbers: [350] 350,84 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[44, 5], Operations: ['10+9=19', '19-14=5'] Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,84 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,84 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[19, 30], Operations: ['10+9=19', '44-14=30'] Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,84 unequal: No Solution Exploring Operation: 19+30=49, Resulting Numbers: [49] 49,84 unequal: No Solution Exploring Operation: 19*30=570, Resulting Numbers: [570] 570,84 unequal: No Solution No 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: 84:[9, 44, 4], Operations: ['14-10=4'] Exploring Operation: 9+4=13, Resulting Numbers: [44, 13] Generated Node #0,1,0: 84:[44, 13] Operation: 9+4=13 Exploring Operation: 9-4=5, Resulting Numbers: [44, 5] Generated Node #0,1,1: 84:[44, 5] Operation: 9-4=5 Exploring Operation: 44/4=11, Resulting Numbers: [9, 11] Generated Node #0,1,2: 84:[9, 11] Operation: 44/4=11 Moving to Node #0,1,0 Current State: 84:[44, 13], Operations: ['14-10=4', '9+4=13'] Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,84 unequal: No Solution Exploring Operation: 44+13=57, Resulting Numbers: [57] 57,84 unequal: No Solution Exploring Operation: 44*13=572, Resulting Numbers: [572] 572,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[44, 5], Operations: ['14-10=4', '9-4=5'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,84 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,84 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[9, 11], Operations: ['14-10=4', '44/4=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,84 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,84 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
[ 90, 88, 45, 61 ]
18
[ "90-88=2", "61-45=16", "2+16=18" ]
Current State: 18:[90, 88, 45, 61], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [45, 61, 2] Generated Node #2: [45, 61, 2] from Operation: 90-88=2 Current State: 18:[45, 61, 2], Operations: ['90-88=2'] Exploring Operation: 61-45=16, Resulting Numbers: [2, 16] Generated Node #3: [2, 16] from Operation: 61-45=16 Current State: 18:[2, 16], Operations: ['90-88=2', '61-45=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[90, 88, 45, 61], Operations: [] Exploring Operation: 90-61=29, Resulting Numbers: [88, 45, 29] Generated Node #0,0: 18:[88, 45, 29] Operation: 90-61=29 Exploring Operation: 90-88=2, Resulting Numbers: [45, 61, 2] Generated Node #0,1: 18:[45, 61, 2] Operation: 90-88=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[45, 61, 2], Operations: ['90-88=2'] Exploring Operation: 61-45=16, Resulting Numbers: [2, 16] Generated Node #0,1,0: 18:[2, 16] Operation: 61-45=16 Exploring Operation: 45-2=43, Resulting Numbers: [61, 43] Generated Node #0,1,1: 18:[61, 43] Operation: 45-2=43 Moving to Node #0,1,0 Current State: 18:[2, 16], Operations: ['90-88=2', '61-45=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[90, 88, 45, 61], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [45, 61, 2] Generated Node #0,1: 18:[45, 61, 2] Operation: 90-88=2 Moving to Node #0,1 Current State: 18:[45, 61, 2], Operations: ['90-88=2'] Exploring Operation: 61-45=16, Resulting Numbers: [2, 16] Generated Node #0,1,0: 18:[2, 16] Operation: 61-45=16 Moving to Node #0,1,0 Current State: 18:[2, 16], Operations: ['90-88=2', '61-45=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 47, 80, 17, 10 ]
40
[ "80-47=33", "17-10=7", "33+7=40" ]
Current State: 40:[47, 80, 17, 10], Operations: [] Exploring Operation: 80-47=33, Resulting Numbers: [17, 10, 33] Generated Node #2: [17, 10, 33] from Operation: 80-47=33 Current State: 40:[17, 10, 33], Operations: ['80-47=33'] Exploring Operation: 17-10=7, Resulting Numbers: [33, 7] Generated Node #3: [33, 7] from Operation: 17-10=7 Current State: 40:[33, 7], Operations: ['80-47=33', '17-10=7'] Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[47, 80, 17, 10], Operations: [] Exploring Operation: 80-17=63, Resulting Numbers: [47, 10, 63] Generated Node #0,0: 40:[47, 10, 63] Operation: 80-17=63 Exploring Operation: 47-10=37, Resulting Numbers: [80, 17, 37] Generated Node #0,1: 40:[80, 17, 37] Operation: 47-10=37 Exploring Operation: 80-10=70, Resulting Numbers: [47, 17, 70] Generated Node #0,2: 40:[47, 17, 70] Operation: 80-10=70 Exploring Operation: 80-47=33, Resulting Numbers: [17, 10, 33] Generated Node #0,3: 40:[17, 10, 33] Operation: 80-47=33 Exploring Operation: 80/10=8, Resulting Numbers: [47, 17, 8] Generated Node #0,4: 40:[47, 17, 8] Operation: 80/10=8 Start Sub Search at level 1: Moving to Node #0,3 Current State: 40:[17, 10, 33], Operations: ['80-47=33'] Exploring Operation: 33-10=23, Resulting Numbers: [17, 23] Generated Node #0,3,0: 40:[17, 23] Operation: 33-10=23 Exploring Operation: 10+33=43, Resulting Numbers: [17, 43] Generated Node #0,3,1: 40:[17, 43] Operation: 10+33=43 Exploring Operation: 17+33=50, Resulting Numbers: [10, 50] Generated Node #0,3,2: 40:[10, 50] Operation: 17+33=50 Exploring Operation: 33-17=16, Resulting Numbers: [10, 16] Generated Node #0,3,3: 40:[10, 16] Operation: 33-17=16 Exploring Operation: 17-10=7, Resulting Numbers: [33, 7] Generated Node #0,3,4: 40:[33, 7] Operation: 17-10=7 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 40:[10, 16], Operations: ['80-47=33', '33-17=16'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,40 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 40:[17, 23], Operations: ['80-47=33', '33-10=23'] Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 17+23=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[47, 80, 17, 10], Operations: [] Exploring Operation: 80-47=33, Resulting Numbers: [17, 10, 33] Generated Node #0,3: 40:[17, 10, 33] Operation: 80-47=33 Moving to Node #0,3 Current State: 40:[17, 10, 33], Operations: ['80-47=33'] Exploring Operation: 33-10=23, Resulting Numbers: [17, 23] Generated Node #0,3,0: 40:[17, 23] Operation: 33-10=23 Moving to Node #0,3,0 Current State: 40:[17, 23], Operations: ['80-47=33', '33-10=23'] Exploring Operation: 17+23=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 99, 94, 13, 10 ]
75
[ "99-94=5", "13*5=65", "10+65=75" ]
Current State: 75:[99, 94, 13, 10], Operations: [] Exploring Operation: 99-94=5, Resulting Numbers: [13, 10, 5] Generated Node #2: [13, 10, 5] from Operation: 99-94=5 Current State: 75:[13, 10, 5], Operations: ['99-94=5'] Exploring Operation: 13*5=65, Resulting Numbers: [10, 65] Generated Node #3: [10, 65] from Operation: 13*5=65 Current State: 75:[10, 65], Operations: ['99-94=5', '13*5=65'] Exploring Operation: 10+65=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[99, 94, 13, 10], Operations: [] Exploring Operation: 99-94=5, Resulting Numbers: [13, 10, 5] Generated Node #0,0: 75:[13, 10, 5] Operation: 99-94=5 Exploring Operation: 99-13=86, Resulting Numbers: [94, 10, 86] Generated Node #0,1: 75:[94, 10, 86] Operation: 99-13=86 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[13, 10, 5], Operations: ['99-94=5'] Exploring Operation: 13-10=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 75:[5, 3] Operation: 13-10=3 Exploring Operation: 13+10=23, Resulting Numbers: [5, 23] Generated Node #0,0,1: 75:[5, 23] Operation: 13+10=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[5, 3], Operations: ['99-94=5', '13-10=3'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,75 unequal: No Solution No 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: 75:[5, 23], Operations: ['99-94=5', '13+10=23'] Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,75 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: 75:[94, 10, 86], Operations: ['99-13=86'] Exploring Operation: 94-86=8, Resulting Numbers: [10, 8] Generated Node #0,1,0: 75:[10, 8] Operation: 94-86=8 Exploring Operation: 94-10=84, Resulting Numbers: [86, 84] Generated Node #0,1,1: 75:[86, 84] Operation: 94-10=84 Moving to Node #0,1,0 Current State: 75:[10, 8], Operations: ['99-13=86', '94-86=8'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[86, 84], Operations: ['99-13=86', '94-10=84'] Exploring Operation: 86-84=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 86+84=170, Resulting Numbers: [170] 170,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 90, 15, 79, 79 ]
90
[ "79-79=0", "15*0=0", "90+0=90" ]
Current State: 90:[90, 15, 79, 79], Operations: [] Exploring Operation: 79-79=0, Resulting Numbers: [90, 15, 0] Generated Node #2: [90, 15, 0] from Operation: 79-79=0 Current State: 90:[90, 15, 0], Operations: ['79-79=0'] Exploring Operation: 15*0=0, Resulting Numbers: [90, 0] Generated Node #3: [90, 0] from Operation: 15*0=0 Current State: 90:[90, 0], Operations: ['79-79=0', '15*0=0'] Exploring Operation: 90+0=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[90, 15, 79, 79], Operations: [] Exploring Operation: 79-79=0, Resulting Numbers: [90, 15, 0] Generated Node #0,0: 90:[90, 15, 0] Operation: 79-79=0 Exploring Operation: 90-79=11, Resulting Numbers: [15, 79, 11] Generated Node #0,1: 90:[15, 79, 11] Operation: 90-79=11 Exploring Operation: 79/79=1, Resulting Numbers: [90, 15, 1] Generated Node #0,2: 90:[90, 15, 1] Operation: 79/79=1 Exploring Operation: 90-79=11, Resulting Numbers: [15, 79, 11] Generated Node #0,3: 90:[15, 79, 11] Operation: 90-79=11 Exploring Operation: 15+79=94, Resulting Numbers: [90, 79, 94] Generated Node #0,4: 90:[90, 79, 94] Operation: 15+79=94 Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[90, 15, 1], Operations: ['79/79=1'] Exploring Operation: 90*1=90, Resulting Numbers: [15, 90] Generated Node #0,2,0: 90:[15, 90] Operation: 90*1=90 Exploring Operation: 90/1=90, Resulting Numbers: [15, 90] Generated Node #0,2,1: 90:[15, 90] Operation: 90/1=90 Exploring Operation: 15/1=15, Resulting Numbers: [90, 15] Generated Node #0,2,2: 90:[90, 15] Operation: 15/1=15 Exploring Operation: 15*1=15, Resulting Numbers: [90, 15] Generated Node #0,2,3: 90:[90, 15] Operation: 15*1=15 Exploring Operation: 90/15=6, Resulting Numbers: [1, 6] Generated Node #0,2,4: 90:[1, 6] Operation: 90/15=6 Moving to Node #0,2,0 Current State: 90:[15, 90], Operations: ['79/79=1', '90*1=90'] Exploring Operation: 15*90=1350, Resulting Numbers: [1350] 1350,90 unequal: No Solution Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 15+90=105, Resulting Numbers: [105] 105,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[90, 15], Operations: ['79/79=1', '15/1=15'] Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 90*15=1350, Resulting Numbers: [1350] 1350,90 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 90+15=105, Resulting Numbers: [105] 105,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[15, 90], Operations: ['79/79=1', '90/1=90'] Exploring Operation: 15*90=1350, Resulting Numbers: [1350] 1350,90 unequal: No Solution Exploring Operation: 15+90=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[90, 15], Operations: ['79/79=1', '15*1=15'] Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 90+15=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 90*15=1350, Resulting Numbers: [1350] 1350,90 unequal: No Solution Moving to Node #0,2,4 Current State: 90:[1, 6], Operations: ['79/79=1', '90/15=6'] Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[90, 15, 0], Operations: ['79-79=0'] Exploring Operation: 15+0=15, Resulting Numbers: [90, 15] Generated Node #0,0,0: 90:[90, 15] Operation: 15+0=15 Exploring Operation: 90/15=6, Resulting Numbers: [0, 6] Generated Node #0,0,1: 90:[0, 6] Operation: 90/15=6 Exploring Operation: 90-0=90, Resulting Numbers: [15, 90] Generated Node #0,0,2: 90:[15, 90] Operation: 90-0=90 Exploring Operation: 15-0=15, Resulting Numbers: [90, 15] Generated Node #0,0,3: 90:[90, 15] Operation: 15-0=15 Exploring Operation: 90+0=90, Resulting Numbers: [15, 90] Generated Node #0,0,4: 90:[15, 90] Operation: 90+0=90 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[90, 15], Operations: ['79-79=0', '15+0=15'] Exploring Operation: 90+15=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 90*15=1350, Resulting Numbers: [1350] 1350,90 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:[15, 90], Operations: ['79-79=0', '90-0=90'] Exploring Operation: 15+90=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 15*90=1350, Resulting Numbers: [1350] 1350,90 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 90:[90, 15], Operations: ['79-79=0', '15-0=15'] Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 90+15=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 90*15=1350, Resulting Numbers: [1350] 1350,90 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 #0,0,4 Current State: 90:[15, 90], Operations: ['79-79=0', '90+0=90'] Exploring Operation: 15*90=1350, Resulting Numbers: [1350] 1350,90 unequal: No Solution Exploring Operation: 15+90=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[0, 6], Operations: ['79-79=0', '90/15=6'] Exploring Operation: 0+6=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 6-0=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 0*6=0, Resulting Numbers: [0] 0,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[15, 79, 11], Operations: ['90-79=11'] Exploring Operation: 15+11=26, Resulting Numbers: [79, 26] Generated Node #0,1,0: 90:[79, 26] Operation: 15+11=26 Exploring Operation: 79+11=90, Resulting Numbers: [15, 90] Generated Node #0,1,1: 90:[15, 90] Operation: 79+11=90 Exploring Operation: 79-15=64, Resulting Numbers: [11, 64] Generated Node #0,1,2: 90:[11, 64] Operation: 79-15=64 Exploring Operation: 15-11=4, Resulting Numbers: [79, 4] Generated Node #0,1,3: 90:[79, 4] Operation: 15-11=4 Exploring Operation: 15+79=94, Resulting Numbers: [11, 94] Generated Node #0,1,4: 90:[11, 94] Operation: 15+79=94 Moving to Node #0,1,1 Current State: 90:[15, 90], Operations: ['90-79=11', '79+11=90'] Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 15*90=1350, Resulting Numbers: [1350] 1350,90 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 15+90=105, Resulting Numbers: [105] 105,90 unequal: No Solution Moving to Node #0,1,4 Current State: 90:[11, 94], Operations: ['90-79=11', '15+79=94'] Exploring Operation: 11*94=1034, Resulting Numbers: [1034] 1034,90 unequal: No Solution Exploring Operation: 11+94=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 94-11=83, Resulting Numbers: [83] 83,90 unequal: No Solution Moving to Node #0,1,3 Current State: 90:[79, 4], Operations: ['90-79=11', '15-11=4'] Exploring Operation: 79*4=316, Resulting Numbers: [316] 316,90 unequal: No Solution Exploring Operation: 79+4=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[79, 26], Operations: ['90-79=11', '15+11=26'] Exploring Operation: 79+26=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,90 unequal: No Solution Exploring Operation: 79*26=2054, Resulting Numbers: [2054] 2054,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[11, 64], Operations: ['90-79=11', '79-15=64'] Exploring Operation: 11+64=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 11*64=704, Resulting Numbers: [704] 704,90 unequal: No Solution Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[15, 79, 11], Operations: ['90-79=11'] Exploring Operation: 15+11=26, Resulting Numbers: [79, 26] Generated Node #0,3,0: 90:[79, 26] Operation: 15+11=26 Exploring Operation: 79-15=64, Resulting Numbers: [11, 64] Generated Node #0,3,1: 90:[11, 64] Operation: 79-15=64 Exploring Operation: 15-11=4, Resulting Numbers: [79, 4] Generated Node #0,3,2: 90:[79, 4] Operation: 15-11=4 Exploring Operation: 15+79=94, Resulting Numbers: [11, 94] Generated Node #0,3,3: 90:[11, 94] Operation: 15+79=94 Exploring Operation: 79+11=90, Resulting Numbers: [15, 90] Generated Node #0,3,4: 90:[15, 90] Operation: 79+11=90 Moving to Node #0,3,4 Current State: 90:[15, 90], Operations: ['90-79=11', '79+11=90'] Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 15+90=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 15*90=1350, Resulting Numbers: [1350] 1350,90 unequal: No Solution Moving to Node #0,3,3 Current State: 90:[11, 94], Operations: ['90-79=11', '15+79=94'] Exploring Operation: 94-11=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 11+94=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 11*94=1034, Resulting Numbers: [1034] 1034,90 unequal: No Solution Moving to Node #0,3,2 Current State: 90:[79, 4], Operations: ['90-79=11', '15-11=4'] Exploring Operation: 79+4=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 79*4=316, Resulting Numbers: [316] 316,90 unequal: No Solution Moving to Node #0,3,0 Current State: 90:[79, 26], Operations: ['90-79=11', '15+11=26'] Exploring Operation: 79+26=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,90 unequal: No Solution Exploring Operation: 79*26=2054, Resulting Numbers: [2054] 2054,90 unequal: No Solution Moving to Node #0,3,1 Current State: 90:[11, 64], Operations: ['90-79=11', '79-15=64'] Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,90 unequal: No Solution Exploring Operation: 11+64=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 11*64=704, Resulting Numbers: [704] 704,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 90:[90, 79, 94], Operations: ['15+79=94'] Exploring Operation: 90+79=169, Resulting Numbers: [94, 169] Generated Node #0,4,0: 90:[94, 169] Operation: 90+79=169 Exploring Operation: 90-79=11, Resulting Numbers: [94, 11] Generated Node #0,4,1: 90:[94, 11] Operation: 90-79=11 Exploring Operation: 94-90=4, Resulting Numbers: [79, 4] Generated Node #0,4,2: 90:[79, 4] Operation: 94-90=4 Exploring Operation: 79+94=173, Resulting Numbers: [90, 173] Generated Node #0,4,3: 90:[90, 173] Operation: 79+94=173 Exploring Operation: 94-79=15, Resulting Numbers: [90, 15] Generated Node #0,4,4: 90:[90, 15] Operation: 94-79=15 Moving to Node #0,4,4 Current State: 90:[90, 15], Operations: ['15+79=94', '94-79=15'] Exploring Operation: 90*15=1350, Resulting Numbers: [1350] 1350,90 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 90+15=105, Resulting Numbers: [105] 105,90 unequal: No Solution Moving to Node #0,4,1 Current State: 90:[94, 11], Operations: ['15+79=94', '90-79=11'] Exploring Operation: 94*11=1034, Resulting Numbers: [1034] 1034,90 unequal: No Solution Exploring Operation: 94-11=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 94+11=105, Resulting Numbers: [105] 105,90 unequal: No Solution Moving to Node #0,4,2 Current State: 90:[79, 4], Operations: ['15+79=94', '94-90=4'] Exploring Operation: 79*4=316, Resulting Numbers: [316] 316,90 unequal: No Solution Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 79+4=83, Resulting Numbers: [83] 83,90 unequal: No Solution Moving to Node #0,4,0 Current State: 90:[94, 169], Operations: ['15+79=94', '90+79=169'] Exploring Operation: 94*169=15886, Resulting Numbers: [15886] 15886,90 unequal: No Solution Exploring Operation: 169-94=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 94+169=263, Resulting Numbers: [263] 263,90 unequal: No Solution Moving to Node #0,4,3 Current State: 90:[90, 173], Operations: ['15+79=94', '79+94=173'] Exploring Operation: 90+173=263, Resulting Numbers: [263] 263,90 unequal: No Solution Exploring Operation: 90*173=15570, Resulting Numbers: [15570] 15570,90 unequal: No Solution Exploring Operation: 173-90=83, Resulting Numbers: [83] 83,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 11, 29, 13, 44 ]
51
[ "13-11=2", "44/2=22", "29+22=51" ]
Current State: 51:[11, 29, 13, 44], Operations: [] Exploring Operation: 13-11=2, Resulting Numbers: [29, 44, 2] Generated Node #2: [29, 44, 2] from Operation: 13-11=2 Current State: 51:[29, 44, 2], Operations: ['13-11=2'] Exploring Operation: 44/2=22, Resulting Numbers: [29, 22] Generated Node #3: [29, 22] from Operation: 44/2=22 Current State: 51:[29, 22], Operations: ['13-11=2', '44/2=22'] Exploring Operation: 29+22=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[11, 29, 13, 44], Operations: [] Exploring Operation: 44-29=15, Resulting Numbers: [11, 13, 15] Generated Node #0,0: 51:[11, 13, 15] Operation: 44-29=15 Exploring Operation: 29-11=18, Resulting Numbers: [13, 44, 18] Generated Node #0,1: 51:[13, 44, 18] Operation: 29-11=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[11, 13, 15], Operations: ['44-29=15'] Exploring Operation: 15-11=4, Resulting Numbers: [13, 4] Generated Node #0,0,0: 51:[13, 4] Operation: 15-11=4 Exploring Operation: 13-11=2, Resulting Numbers: [15, 2] Generated Node #0,0,1: 51:[15, 2] Operation: 13-11=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[15, 2], Operations: ['44-29=15', '13-11=2'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,51 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:[13, 4], Operations: ['44-29=15', '15-11=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[13, 44, 18], Operations: ['29-11=18'] Exploring Operation: 13+44=57, Resulting Numbers: [18, 57] Generated Node #0,1,0: 51:[18, 57] Operation: 13+44=57 Exploring Operation: 18-13=5, Resulting Numbers: [44, 5] Generated Node #0,1,1: 51:[44, 5] Operation: 18-13=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[18, 57], Operations: ['29-11=18', '13+44=57'] Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 18+57=75, Resulting Numbers: [75] 75,51 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 #0,1,1 Current State: 51:[44, 5], Operations: ['29-11=18', '18-13=5'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 18, 2, 61, 15 ]
61
[ "18-2=16", "16-15=1", "61*1=61" ]
Current State: 61:[18, 2, 61, 15], Operations: [] Exploring Operation: 18-2=16, Resulting Numbers: [61, 15, 16] Generated Node #2: [61, 15, 16] from Operation: 18-2=16 Current State: 61:[61, 15, 16], Operations: ['18-2=16'] Exploring Operation: 16-15=1, Resulting Numbers: [61, 1] Generated Node #3: [61, 1] from Operation: 16-15=1 Current State: 61:[61, 1], Operations: ['18-2=16', '16-15=1'] Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[18, 2, 61, 15], Operations: [] Exploring Operation: 18*2=36, Resulting Numbers: [61, 15, 36] Generated Node #0,0: 61:[61, 15, 36] Operation: 18*2=36 Exploring Operation: 2*15=30, Resulting Numbers: [18, 61, 30] Generated Node #0,1: 61:[18, 61, 30] Operation: 2*15=30 Moving to Node #0,0 Current State: 61:[61, 15, 36], Operations: ['18*2=36'] Exploring Operation: 61+15=76, Resulting Numbers: [36, 76] Generated Node #0,0,0: 61:[36, 76] Operation: 61+15=76 Exploring Operation: 15+36=51, Resulting Numbers: [61, 51] Generated Node #0,0,1: 61:[61, 51] Operation: 15+36=51 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[61, 51], Operations: ['18*2=36', '15+36=51'] Exploring Operation: 61+51=112, Resulting Numbers: [112] 112,61 unequal: No Solution Exploring Operation: 61-51=10, Resulting Numbers: [10] 10,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[36, 76], Operations: ['18*2=36', '61+15=76'] Exploring Operation: 36+76=112, Resulting Numbers: [112] 112,61 unequal: No Solution Exploring Operation: 76-36=40, Resulting Numbers: [40] 40,61 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: 61:[18, 61, 30], Operations: ['2*15=30'] Exploring Operation: 18+30=48, Resulting Numbers: [61, 48] Generated Node #0,1,0: 61:[61, 48] Operation: 18+30=48 Exploring Operation: 18+61=79, Resulting Numbers: [30, 79] Generated Node #0,1,1: 61:[30, 79] Operation: 18+61=79 Moving to Node #0,1,0 Current State: 61:[61, 48], Operations: ['2*15=30', '18+30=48'] Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,61 unequal: No Solution Exploring Operation: 61+48=109, Resulting Numbers: [109] 109,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[30, 79], Operations: ['2*15=30', '18+61=79'] Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,61 unequal: No Solution Exploring Operation: 30+79=109, Resulting Numbers: [109] 109,61 unequal: No Solution No solution found.
0
hs_2
sum_heuristic