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
[ 12, 34, 11, 66 ]
31
[ "12+34=46", "11+66=77", "77-46=31" ]
Current State: 31:[12, 34, 11, 66], Operations: [] Exploring Operation: 12+34=46, Resulting Numbers: [11, 66, 46] Generated Node #2: [11, 66, 46] from Operation: 12+34=46 Current State: 31:[11, 66, 46], Operations: ['12+34=46'] Exploring Operation: 11+66=77, Resulting Numbers: [46, 77] Generated Node #3: [46, 77] from Operation: 11+66=77 Current State: 31:[46, 77], Operations: ['12+34=46', '11+66=77'] Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[12, 34, 11, 66], Operations: [] Exploring Operation: 66-34=32, Resulting Numbers: [12, 11, 32] Generated Node #0,0: 31:[12, 11, 32] Operation: 66-34=32 Exploring Operation: 66/11=6, Resulting Numbers: [12, 34, 6] Generated Node #0,1: 31:[12, 34, 6] Operation: 66/11=6 Exploring Operation: 12+11=23, Resulting Numbers: [34, 66, 23] Generated Node #0,2: 31:[34, 66, 23] Operation: 12+11=23 Exploring Operation: 66-12=54, Resulting Numbers: [34, 11, 54] Generated Node #0,3: 31:[34, 11, 54] Operation: 66-12=54 Exploring Operation: 66-11=55, Resulting Numbers: [12, 34, 55] Generated Node #0,4: 31:[12, 34, 55] Operation: 66-11=55 Moving to Node #0,0 Current State: 31:[12, 11, 32], Operations: ['66-34=32'] Exploring Operation: 32-12=20, Resulting Numbers: [11, 20] Generated Node #0,0,0: 31:[11, 20] Operation: 32-12=20 Exploring Operation: 12+11=23, Resulting Numbers: [32, 23] Generated Node #0,0,1: 31:[32, 23] Operation: 12+11=23 Exploring Operation: 12-11=1, Resulting Numbers: [32, 1] Generated Node #0,0,2: 31:[32, 1] Operation: 12-11=1 Exploring Operation: 32-11=21, Resulting Numbers: [12, 21] Generated Node #0,0,3: 31:[12, 21] Operation: 32-11=21 Exploring Operation: 11+32=43, Resulting Numbers: [12, 43] Generated Node #0,0,4: 31:[12, 43] Operation: 11+32=43 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[32, 23], Operations: ['66-34=32', '12+11=23'] Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,31 unequal: No Solution Exploring Operation: 32*23=736, Resulting Numbers: [736] 736,31 unequal: No Solution Exploring Operation: 32+23=55, Resulting Numbers: [55] 55,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 31:[12, 21], Operations: ['66-34=32', '32-11=21'] Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,31 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,31 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[11, 20], Operations: ['66-34=32', '32-12=20'] Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[12, 34, 11, 66], Operations: [] Exploring Operation: 66-34=32, Resulting Numbers: [12, 11, 32] Generated Node #0,0: 31:[12, 11, 32] Operation: 66-34=32 Moving to Node #0,0 Current State: 31:[12, 11, 32], Operations: ['66-34=32'] Exploring Operation: 32-12=20, Resulting Numbers: [11, 20] Generated Node #0,0,0: 31:[11, 20] Operation: 32-12=20 Moving to Node #0,0,0 Current State: 31:[11, 20], Operations: ['66-34=32', '32-12=20'] Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 13, 32, 34, 28 ]
39
[ "13+32=45", "34-28=6", "45-6=39" ]
Current State: 39:[13, 32, 34, 28], Operations: [] Exploring Operation: 13+32=45, Resulting Numbers: [34, 28, 45] Generated Node #2: [34, 28, 45] from Operation: 13+32=45 Current State: 39:[34, 28, 45], Operations: ['13+32=45'] Exploring Operation: 34-28=6, Resulting Numbers: [45, 6] Generated Node #3: [45, 6] from Operation: 34-28=6 Current State: 39:[45, 6], Operations: ['13+32=45', '34-28=6'] Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[13, 32, 34, 28], Operations: [] Exploring Operation: 32-28=4, Resulting Numbers: [13, 34, 4] Generated Node #0,0: 39:[13, 34, 4] Operation: 32-28=4 Exploring Operation: 34-28=6, Resulting Numbers: [13, 32, 6] Generated Node #0,1: 39:[13, 32, 6] Operation: 34-28=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[13, 34, 4], Operations: ['32-28=4'] Exploring Operation: 34+4=38, Resulting Numbers: [13, 38] Generated Node #0,0,0: 39:[13, 38] Operation: 34+4=38 Exploring Operation: 13+34=47, Resulting Numbers: [4, 47] Generated Node #0,0,1: 39:[4, 47] Operation: 13+34=47 Moving to Node #0,0,0 Current State: 39:[13, 38], Operations: ['32-28=4', '34+4=38'] Exploring Operation: 13+38=51, Resulting Numbers: [51] 51,39 unequal: No Solution Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[4, 47], Operations: ['32-28=4', '13+34=47'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,39 unequal: No Solution Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,39 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:[13, 32, 6], Operations: ['34-28=6'] Exploring Operation: 13+32=45, Resulting Numbers: [6, 45] Generated Node #0,1,0: 39:[6, 45] Operation: 13+32=45 Exploring Operation: 32+6=38, Resulting Numbers: [13, 38] Generated Node #0,1,1: 39:[13, 38] Operation: 32+6=38 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 39:[13, 38], Operations: ['34-28=6', '32+6=38'] Exploring Operation: 13+38=51, Resulting Numbers: [51] 51,39 unequal: No Solution Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,39 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 #0,1,0 Current State: 39:[6, 45], Operations: ['34-28=6', '13+32=45'] Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,39 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[13, 32, 34, 28], Operations: [] Exploring Operation: 34-28=6, Resulting Numbers: [13, 32, 6] Generated Node #0,1: 39:[13, 32, 6] Operation: 34-28=6 Moving to Node #0,1 Current State: 39:[13, 32, 6], Operations: ['34-28=6'] Exploring Operation: 13+32=45, Resulting Numbers: [6, 45] Generated Node #0,1,0: 39:[6, 45] Operation: 13+32=45 Moving to Node #0,1,0 Current State: 39:[6, 45], Operations: ['34-28=6', '13+32=45'] Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 7, 56, 42, 76 ]
55
[ "7+56=63", "42+76=118", "118-63=55" ]
Current State: 55:[7, 56, 42, 76], Operations: [] Exploring Operation: 7+56=63, Resulting Numbers: [42, 76, 63] Generated Node #2: [42, 76, 63] from Operation: 7+56=63 Current State: 55:[42, 76, 63], Operations: ['7+56=63'] Exploring Operation: 42+76=118, Resulting Numbers: [63, 118] Generated Node #3: [63, 118] from Operation: 42+76=118 Current State: 55:[63, 118], Operations: ['7+56=63', '42+76=118'] Exploring Operation: 118-63=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[7, 56, 42, 76], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [7, 42, 20] Generated Node #0,0: 55:[7, 42, 20] Operation: 76-56=20 Exploring Operation: 76-42=34, Resulting Numbers: [7, 56, 34] Generated Node #0,1: 55:[7, 56, 34] Operation: 76-42=34 Exploring Operation: 42/7=6, Resulting Numbers: [56, 76, 6] Generated Node #0,2: 55:[56, 76, 6] Operation: 42/7=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[56, 76, 6], Operations: ['42/7=6'] Exploring Operation: 76-6=70, Resulting Numbers: [56, 70] Generated Node #0,2,0: 55:[56, 70] Operation: 76-6=70 Exploring Operation: 76-56=20, Resulting Numbers: [6, 20] Generated Node #0,2,1: 55:[6, 20] Operation: 76-56=20 Exploring Operation: 56-6=50, Resulting Numbers: [76, 50] Generated Node #0,2,2: 55:[76, 50] Operation: 56-6=50 Moving to Node #0,2,1 Current State: 55:[6, 20], Operations: ['42/7=6', '76-56=20'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,55 unequal: No Solution Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,55 unequal: No Solution Moving to Node #0,2,0 Current State: 55:[56, 70], Operations: ['42/7=6', '76-6=70'] Exploring Operation: 56+70=126, Resulting Numbers: [126] 126,55 unequal: No Solution Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 56*70=3920, Resulting Numbers: [3920] 3920,55 unequal: No Solution Moving to Node #0,2,2 Current State: 55:[76, 50], Operations: ['42/7=6', '56-6=50'] Exploring Operation: 76-50=26, Resulting Numbers: [26] 26,55 unequal: No Solution Exploring Operation: 76*50=3800, Resulting Numbers: [3800] 3800,55 unequal: No Solution Exploring Operation: 76+50=126, Resulting Numbers: [126] 126,55 unequal: No Solution No 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: 55:[7, 42, 20], Operations: ['76-56=20'] Exploring Operation: 42+20=62, Resulting Numbers: [7, 62] Generated Node #0,0,0: 55:[7, 62] Operation: 42+20=62 Exploring Operation: 42/7=6, Resulting Numbers: [20, 6] Generated Node #0,0,1: 55:[20, 6] Operation: 42/7=6 Exploring Operation: 42-20=22, Resulting Numbers: [7, 22] Generated Node #0,0,2: 55:[7, 22] Operation: 42-20=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[7, 62], Operations: ['76-56=20', '42+20=62'] Exploring Operation: 7+62=69, Resulting Numbers: [69] 69,55 unequal: No Solution Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[7, 56, 42, 76], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [7, 42, 20] Generated Node #0,0: 55:[7, 42, 20] Operation: 76-56=20 Moving to Node #0,0 Current State: 55:[7, 42, 20], Operations: ['76-56=20'] Exploring Operation: 42+20=62, Resulting Numbers: [7, 62] Generated Node #0,0,0: 55:[7, 62] Operation: 42+20=62 Moving to Node #0,0,0 Current State: 55:[7, 62], Operations: ['76-56=20', '42+20=62'] Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 43, 14, 6, 24 ]
87
[ "43+14=57", "6+24=30", "57+30=87" ]
Current State: 87:[43, 14, 6, 24], Operations: [] Exploring Operation: 43+14=57, Resulting Numbers: [6, 24, 57] Generated Node #2: [6, 24, 57] from Operation: 43+14=57 Current State: 87:[6, 24, 57], Operations: ['43+14=57'] Exploring Operation: 6+24=30, Resulting Numbers: [57, 30] Generated Node #3: [57, 30] from Operation: 6+24=30 Current State: 87:[57, 30], Operations: ['43+14=57', '6+24=30'] Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[43, 14, 6, 24], Operations: [] Exploring Operation: 14*6=84, Resulting Numbers: [43, 24, 84] Generated Node #0,0: 87:[43, 24, 84] Operation: 14*6=84 Exploring Operation: 43-14=29, Resulting Numbers: [6, 24, 29] Generated Node #0,1: 87:[6, 24, 29] Operation: 43-14=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[6, 24, 29], Operations: ['43-14=29'] Exploring Operation: 24/6=4, Resulting Numbers: [29, 4] Generated Node #0,1,0: 87:[29, 4] Operation: 24/6=4 Exploring Operation: 6+24=30, Resulting Numbers: [29, 30] Generated Node #0,1,1: 87:[29, 30] Operation: 6+24=30 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[29, 4], Operations: ['43-14=29', '24/6=4'] Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,87 unequal: No Solution Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[29, 30], Operations: ['43-14=29', '6+24=30'] Exploring Operation: 29+30=59, Resulting Numbers: [59] 59,87 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[43, 24, 84], Operations: ['14*6=84'] Exploring Operation: 84-43=41, Resulting Numbers: [24, 41] Generated Node #0,0,0: 87:[24, 41] Operation: 84-43=41 Exploring Operation: 43-24=19, Resulting Numbers: [84, 19] Generated Node #0,0,1: 87:[84, 19] Operation: 43-24=19 Moving to Node #0,0,1 Current State: 87:[84, 19], Operations: ['14*6=84', '43-24=19'] Exploring Operation: 84-19=65, Resulting Numbers: [65] 65,87 unequal: No Solution Exploring Operation: 84+19=103, Resulting Numbers: [103] 103,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[24, 41], Operations: ['14*6=84', '84-43=41'] Exploring Operation: 24+41=65, Resulting Numbers: [65] 65,87 unequal: No Solution Exploring Operation: 41-24=17, Resulting Numbers: [17] 17,87 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
[ 86, 47, 32, 21 ]
59
[ "86*32=2752", "21+2752=2773", "2773/47=59" ]
Current State: 59:[86, 47, 32, 21], Operations: [] Exploring Operation: 86*32=2752, Resulting Numbers: [47, 21, 2752] Generated Node #2: [47, 21, 2752] from Operation: 86*32=2752 Current State: 59:[47, 21, 2752], Operations: ['86*32=2752'] Exploring Operation: 21+2752=2773, Resulting Numbers: [47, 2773] Generated Node #3: [47, 2773] from Operation: 21+2752=2773 Current State: 59:[47, 2773], Operations: ['86*32=2752', '21+2752=2773'] Exploring Operation: 2773/47=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[86, 47, 32, 21], Operations: [] Exploring Operation: 86-21=65, Resulting Numbers: [47, 32, 65] Generated Node #0,0: 59:[47, 32, 65] Operation: 86-21=65 Exploring Operation: 86-47=39, Resulting Numbers: [32, 21, 39] Generated Node #0,1: 59:[32, 21, 39] Operation: 86-47=39 Exploring Operation: 47+21=68, Resulting Numbers: [86, 32, 68] Generated Node #0,2: 59:[86, 32, 68] Operation: 47+21=68 Exploring Operation: 32+21=53, Resulting Numbers: [86, 47, 53] Generated Node #0,3: 59:[86, 47, 53] Operation: 32+21=53 Exploring Operation: 86-32=54, Resulting Numbers: [47, 21, 54] Generated Node #0,4: 59:[47, 21, 54] Operation: 86-32=54 Moving to Node #0,0 Current State: 59:[47, 32, 65], Operations: ['86-21=65'] Exploring Operation: 65-32=33, Resulting Numbers: [47, 33] Generated Node #0,0,0: 59:[47, 33] Operation: 65-32=33 Exploring Operation: 65-47=18, Resulting Numbers: [32, 18] Generated Node #0,0,1: 59:[32, 18] Operation: 65-47=18 Exploring Operation: 47-32=15, Resulting Numbers: [65, 15] Generated Node #0,0,2: 59:[65, 15] Operation: 47-32=15 Exploring Operation: 32+65=97, Resulting Numbers: [47, 97] Generated Node #0,0,3: 59:[47, 97] Operation: 32+65=97 Exploring Operation: 47+32=79, Resulting Numbers: [65, 79] Generated Node #0,0,4: 59:[65, 79] Operation: 47+32=79 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 59:[65, 79], Operations: ['86-21=65', '47+32=79'] Exploring Operation: 65*79=5135, Resulting Numbers: [5135] 5135,59 unequal: No Solution Exploring Operation: 79-65=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 65+79=144, Resulting Numbers: [144] 144,59 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:[47, 33], Operations: ['86-21=65', '65-32=33'] Exploring Operation: 47+33=80, Resulting Numbers: [80] 80,59 unequal: No Solution Exploring Operation: 47*33=1551, Resulting Numbers: [1551] 1551,59 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,59 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 #0,0,2 Current State: 59:[65, 15], Operations: ['86-21=65', '47-32=15'] Exploring Operation: 65+15=80, Resulting Numbers: [80] 80,59 unequal: No Solution Exploring Operation: 65*15=975, Resulting Numbers: [975] 975,59 unequal: No Solution Exploring Operation: 65-15=50, Resulting Numbers: [50] 50,59 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 #0,0,3 Current State: 59:[47, 97], Operations: ['86-21=65', '32+65=97'] Exploring Operation: 47+97=144, Resulting Numbers: [144] 144,59 unequal: No Solution Exploring Operation: 47*97=4559, Resulting Numbers: [4559] 4559,59 unequal: No Solution Exploring Operation: 97-47=50, Resulting Numbers: [50] 50,59 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 #0,0,1 Current State: 59:[32, 18], Operations: ['86-21=65', '65-47=18'] Exploring Operation: 32*18=576, Resulting Numbers: [576] 576,59 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 32+18=50, Resulting Numbers: [50] 50,59 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: 59:[86, 47, 53], Operations: ['32+21=53'] Exploring Operation: 86-53=33, Resulting Numbers: [47, 33] Generated Node #0,3,0: 59:[47, 33] Operation: 86-53=33 Exploring Operation: 47+53=100, Resulting Numbers: [86, 100] Generated Node #0,3,1: 59:[86, 100] Operation: 47+53=100 Exploring Operation: 53-47=6, Resulting Numbers: [86, 6] Generated Node #0,3,2: 59:[86, 6] Operation: 53-47=6 Exploring Operation: 86+47=133, Resulting Numbers: [53, 133] Generated Node #0,3,3: 59:[53, 133] Operation: 86+47=133 Exploring Operation: 86-47=39, Resulting Numbers: [53, 39] Generated Node #0,3,4: 59:[53, 39] Operation: 86-47=39 Moving to Node #0,4 Current State: 59:[47, 21, 54], Operations: ['86-32=54'] Exploring Operation: 47+54=101, Resulting Numbers: [21, 101] Generated Node #0,4,0: 59:[21, 101] Operation: 47+54=101 Exploring Operation: 47+21=68, Resulting Numbers: [54, 68] Generated Node #0,4,1: 59:[54, 68] Operation: 47+21=68 Exploring Operation: 21+54=75, Resulting Numbers: [47, 75] Generated Node #0,4,2: 59:[47, 75] Operation: 21+54=75 Exploring Operation: 54-21=33, Resulting Numbers: [47, 33] Generated Node #0,4,3: 59:[47, 33] Operation: 54-21=33 Exploring Operation: 47-21=26, Resulting Numbers: [54, 26] Generated Node #0,4,4: 59:[54, 26] Operation: 47-21=26 Moving to Node #0,2 Current State: 59:[86, 32, 68], Operations: ['47+21=68'] Exploring Operation: 86+32=118, Resulting Numbers: [68, 118] Generated Node #0,2,0: 59:[68, 118] Operation: 86+32=118 Exploring Operation: 86-68=18, Resulting Numbers: [32, 18] Generated Node #0,2,1: 59:[32, 18] Operation: 86-68=18 Exploring Operation: 68-32=36, Resulting Numbers: [86, 36] Generated Node #0,2,2: 59:[86, 36] Operation: 68-32=36 Exploring Operation: 32+68=100, Resulting Numbers: [86, 100] Generated Node #0,2,3: 59:[86, 100] Operation: 32+68=100 Exploring Operation: 86-32=54, Resulting Numbers: [68, 54] Generated Node #0,2,4: 59:[68, 54] Operation: 86-32=54 Moving to Node #0,1 Current State: 59:[32, 21, 39], Operations: ['86-47=39'] Exploring Operation: 21+39=60, Resulting Numbers: [32, 60] Generated Node #0,1,0: 59:[32, 60] Operation: 21+39=60 Exploring Operation: 32-21=11, Resulting Numbers: [39, 11] Generated Node #0,1,1: 59:[39, 11] Operation: 32-21=11 Exploring Operation: 32+39=71, Resulting Numbers: [21, 71] Generated Node #0,1,2: 59:[21, 71] Operation: 32+39=71 Exploring Operation: 39-21=18, Resulting Numbers: [32, 18] Generated Node #0,1,3: 59:[32, 18] Operation: 39-21=18 Exploring Operation: 32+21=53, Resulting Numbers: [39, 53] Generated Node #0,1,4: 59:[39, 53] Operation: 32+21=53 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 59:[39, 53], Operations: ['86-47=39', '32+21=53'] Exploring Operation: 39*53=2067, Resulting Numbers: [2067] 2067,59 unequal: No Solution Exploring Operation: 39+53=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,59 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 #0,1,0 Current State: 59:[32, 60], Operations: ['86-47=39', '21+39=60'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 32*60=1920, Resulting Numbers: [1920] 1920,59 unequal: No Solution Exploring Operation: 32+60=92, Resulting Numbers: [92] 92,59 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 #0,1,2 Current State: 59:[21, 71], Operations: ['86-47=39', '32+39=71'] Exploring Operation: 71-21=50, Resulting Numbers: [50] 50,59 unequal: No Solution Exploring Operation: 21*71=1491, Resulting Numbers: [1491] 1491,59 unequal: No Solution Exploring Operation: 21+71=92, Resulting Numbers: [92] 92,59 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 #0,1,1 Current State: 59:[39, 11], Operations: ['86-47=39', '32-21=11'] Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,59 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,59 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 #0,1,3 Current State: 59:[32, 18], Operations: ['86-47=39', '39-21=18'] Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 32+18=50, Resulting Numbers: [50] 50,59 unequal: No Solution Exploring Operation: 32*18=576, Resulting Numbers: [576] 576,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,1 Current State: 59:[54, 68], Operations: ['86-32=54', '47+21=68'] Exploring Operation: 54+68=122, Resulting Numbers: [122] 122,59 unequal: No Solution Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 54*68=3672, Resulting Numbers: [3672] 3672,59 unequal: No Solution Moving to Node #0,2,4 Current State: 59:[68, 54], Operations: ['47+21=68', '86-32=54'] Exploring Operation: 68*54=3672, Resulting Numbers: [3672] 3672,59 unequal: No Solution Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 68+54=122, Resulting Numbers: [122] 122,59 unequal: No Solution Moving to Node #0,3,4 Current State: 59:[53, 39], Operations: ['32+21=53', '86-47=39'] Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 53+39=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 53*39=2067, Resulting Numbers: [2067] 2067,59 unequal: No Solution Moving to Node #0,4,2 Current State: 59:[47, 75], Operations: ['86-32=54', '21+54=75'] Exploring Operation: 47*75=3525, Resulting Numbers: [3525] 3525,59 unequal: No Solution Exploring Operation: 47+75=122, Resulting Numbers: [122] 122,59 unequal: No Solution Exploring Operation: 75-47=28, Resulting Numbers: [28] 28,59 unequal: No Solution Moving to Node #0,3,0 Current State: 59:[47, 33], Operations: ['32+21=53', '86-53=33'] Exploring Operation: 47*33=1551, Resulting Numbers: [1551] 1551,59 unequal: No Solution Exploring Operation: 47+33=80, Resulting Numbers: [80] 80,59 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,59 unequal: No Solution Moving to Node #0,4,3 Current State: 59:[47, 33], Operations: ['86-32=54', '54-21=33'] Exploring Operation: 47+33=80, Resulting Numbers: [80] 80,59 unequal: No Solution Exploring Operation: 47*33=1551, Resulting Numbers: [1551] 1551,59 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,59 unequal: No Solution Moving to Node #0,4,4 Current State: 59:[54, 26], Operations: ['86-32=54', '47-21=26'] Exploring Operation: 54+26=80, Resulting Numbers: [80] 80,59 unequal: No Solution Exploring Operation: 54*26=1404, Resulting Numbers: [1404] 1404,59 unequal: No Solution Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[86, 36], Operations: ['47+21=68', '68-32=36'] Exploring Operation: 86-36=50, Resulting Numbers: [50] 50,59 unequal: No Solution Exploring Operation: 86*36=3096, Resulting Numbers: [3096] 3096,59 unequal: No Solution Exploring Operation: 86+36=122, Resulting Numbers: [122] 122,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[32, 18], Operations: ['47+21=68', '86-68=18'] Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 32+18=50, Resulting Numbers: [50] 50,59 unequal: No Solution Exploring Operation: 32*18=576, Resulting Numbers: [576] 576,59 unequal: No Solution Moving to Node #0,3,1 Current State: 59:[86, 100], Operations: ['32+21=53', '47+53=100'] Exploring Operation: 100-86=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 86+100=186, Resulting Numbers: [186] 186,59 unequal: No Solution Exploring Operation: 86*100=8600, Resulting Numbers: [8600] 8600,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[86, 100], Operations: ['47+21=68', '32+68=100'] Exploring Operation: 86+100=186, Resulting Numbers: [186] 186,59 unequal: No Solution Exploring Operation: 86*100=8600, Resulting Numbers: [8600] 8600,59 unequal: No Solution Exploring Operation: 100-86=14, Resulting Numbers: [14] 14,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[68, 118], Operations: ['47+21=68', '86+32=118'] Exploring Operation: 68+118=186, Resulting Numbers: [186] 186,59 unequal: No Solution Exploring Operation: 118-68=50, Resulting Numbers: [50] 50,59 unequal: No Solution Exploring Operation: 68*118=8024, Resulting Numbers: [8024] 8024,59 unequal: No Solution Moving to Node #0,3,2 Current State: 59:[86, 6], Operations: ['32+21=53', '53-47=6'] Exploring Operation: 86*6=516, Resulting Numbers: [516] 516,59 unequal: No Solution Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,59 unequal: No Solution Exploring Operation: 86+6=92, Resulting Numbers: [92] 92,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[53, 133], Operations: ['32+21=53', '86+47=133'] Exploring Operation: 53+133=186, Resulting Numbers: [186] 186,59 unequal: No Solution Exploring Operation: 53*133=7049, Resulting Numbers: [7049] 7049,59 unequal: No Solution Exploring Operation: 133-53=80, Resulting Numbers: [80] 80,59 unequal: No Solution Moving to Node #0,4,0 Current State: 59:[21, 101], Operations: ['86-32=54', '47+54=101'] Exploring Operation: 21+101=122, Resulting Numbers: [122] 122,59 unequal: No Solution Exploring Operation: 101-21=80, Resulting Numbers: [80] 80,59 unequal: No Solution Exploring Operation: 21*101=2121, Resulting Numbers: [2121] 2121,59 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 52, 70, 85, 68 ]
66
[ "85-52=33", "70-68=2", "33*2=66" ]
Current State: 66:[52, 70, 85, 68], Operations: [] Exploring Operation: 85-52=33, Resulting Numbers: [70, 68, 33] Generated Node #2: [70, 68, 33] from Operation: 85-52=33 Current State: 66:[70, 68, 33], Operations: ['85-52=33'] Exploring Operation: 70-68=2, Resulting Numbers: [33, 2] Generated Node #3: [33, 2] from Operation: 70-68=2 Current State: 66:[33, 2], Operations: ['85-52=33', '70-68=2'] Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[52, 70, 85, 68], Operations: [] Exploring Operation: 85-52=33, Resulting Numbers: [70, 68, 33] Generated Node #0,0: 66:[70, 68, 33] Operation: 85-52=33 Exploring Operation: 85-68=17, Resulting Numbers: [52, 70, 17] Generated Node #0,1: 66:[52, 70, 17] Operation: 85-68=17 Exploring Operation: 85-70=15, Resulting Numbers: [52, 68, 15] Generated Node #0,2: 66:[52, 68, 15] Operation: 85-70=15 Exploring Operation: 70-52=18, Resulting Numbers: [85, 68, 18] Generated Node #0,3: 66:[85, 68, 18] Operation: 70-52=18 Moving to Node #0,0 Current State: 66:[70, 68, 33], Operations: ['85-52=33'] Exploring Operation: 70-33=37, Resulting Numbers: [68, 37] Generated Node #0,0,0: 66:[68, 37] Operation: 70-33=37 Exploring Operation: 68-33=35, Resulting Numbers: [70, 35] Generated Node #0,0,1: 66:[70, 35] Operation: 68-33=35 Exploring Operation: 70+33=103, Resulting Numbers: [68, 103] Generated Node #0,0,2: 66:[68, 103] Operation: 70+33=103 Exploring Operation: 70-68=2, Resulting Numbers: [33, 2] Generated Node #0,0,3: 66:[33, 2] Operation: 70-68=2 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 66:[33, 2], Operations: ['85-52=33', '70-68=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,66 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[52, 70, 85, 68], Operations: [] Exploring Operation: 85-52=33, Resulting Numbers: [70, 68, 33] Generated Node #0,0: 66:[70, 68, 33] Operation: 85-52=33 Moving to Node #0,0 Current State: 66:[70, 68, 33], Operations: ['85-52=33'] Exploring Operation: 70-68=2, Resulting Numbers: [33, 2] Generated Node #0,0,3: 66:[33, 2] Operation: 70-68=2 Moving to Node #0,0,3 Current State: 66:[33, 2], Operations: ['85-52=33', '70-68=2'] Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 78, 36, 3, 70 ]
96
[ "78+36=114", "3*70=210", "210-114=96" ]
Current State: 96:[78, 36, 3, 70], Operations: [] Exploring Operation: 78+36=114, Resulting Numbers: [3, 70, 114] Generated Node #2: [3, 70, 114] from Operation: 78+36=114 Current State: 96:[3, 70, 114], Operations: ['78+36=114'] Exploring Operation: 3*70=210, Resulting Numbers: [114, 210] Generated Node #3: [114, 210] from Operation: 3*70=210 Current State: 96:[114, 210], Operations: ['78+36=114', '3*70=210'] Exploring Operation: 210-114=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[78, 36, 3, 70], Operations: [] Exploring Operation: 78-70=8, Resulting Numbers: [36, 3, 8] Generated Node #0,0: 96:[36, 3, 8] Operation: 78-70=8 Exploring Operation: 70-36=34, Resulting Numbers: [78, 3, 34] Generated Node #0,1: 96:[78, 3, 34] Operation: 70-36=34 Moving to Node #0,0 Current State: 96:[36, 3, 8], Operations: ['78-70=8'] Exploring Operation: 36/3=12, Resulting Numbers: [8, 12] Generated Node #0,0,0: 96:[8, 12] Operation: 36/3=12 Exploring Operation: 36-3=33, Resulting Numbers: [8, 33] Generated Node #0,0,1: 96:[8, 33] Operation: 36-3=33 Moving to Node #0,1 Current State: 96:[78, 3, 34], Operations: ['70-36=34'] Exploring Operation: 78-34=44, Resulting Numbers: [3, 44] Generated Node #0,1,0: 96:[3, 44] Operation: 78-34=44 Exploring Operation: 78/3=26, Resulting Numbers: [34, 26] Generated Node #0,1,1: 96:[34, 26] Operation: 78/3=26 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[3, 44], Operations: ['70-36=34', '78-34=44'] Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,96 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[34, 26], Operations: ['70-36=34', '78/3=26'] Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,96 unequal: No Solution Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,96 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: 96:[8, 12], Operations: ['78-70=8', '36/3=12'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,96 unequal: No Solution Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[78, 36, 3, 70], Operations: [] Exploring Operation: 78-70=8, Resulting Numbers: [36, 3, 8] Generated Node #0,0: 96:[36, 3, 8] Operation: 78-70=8 Moving to Node #0,0 Current State: 96:[36, 3, 8], Operations: ['78-70=8'] Exploring Operation: 36/3=12, Resulting Numbers: [8, 12] Generated Node #0,0,0: 96:[8, 12] Operation: 36/3=12 Moving to Node #0,0,0 Current State: 96:[8, 12], Operations: ['78-70=8', '36/3=12'] Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 13, 3, 35, 40 ]
21
[ "13+3=16", "40-35=5", "16+5=21" ]
Current State: 21:[13, 3, 35, 40], Operations: [] Exploring Operation: 13+3=16, Resulting Numbers: [35, 40, 16] Generated Node #2: [35, 40, 16] from Operation: 13+3=16 Current State: 21:[35, 40, 16], Operations: ['13+3=16'] Exploring Operation: 40-35=5, Resulting Numbers: [16, 5] Generated Node #3: [16, 5] from Operation: 40-35=5 Current State: 21:[16, 5], Operations: ['13+3=16', '40-35=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[13, 3, 35, 40], Operations: [] Exploring Operation: 40-35=5, Resulting Numbers: [13, 3, 5] Generated Node #0,0: 21:[13, 3, 5] Operation: 40-35=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[13, 3, 5], Operations: ['40-35=5'] Exploring Operation: 13-5=8, Resulting Numbers: [3, 8] Generated Node #0,0,0: 21:[3, 8] Operation: 13-5=8 Moving to Node #0,0,0 Current State: 21:[3, 8], Operations: ['40-35=5', '13-5=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 15, 39, 16, 71 ]
79
[ "39-15=24", "71-16=55", "24+55=79" ]
Current State: 79:[15, 39, 16, 71], Operations: [] Exploring Operation: 39-15=24, Resulting Numbers: [16, 71, 24] Generated Node #2: [16, 71, 24] from Operation: 39-15=24 Current State: 79:[16, 71, 24], Operations: ['39-15=24'] Exploring Operation: 71-16=55, Resulting Numbers: [24, 55] Generated Node #3: [24, 55] from Operation: 71-16=55 Current State: 79:[24, 55], Operations: ['39-15=24', '71-16=55'] Exploring Operation: 24+55=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[15, 39, 16, 71], Operations: [] Exploring Operation: 39+16=55, Resulting Numbers: [15, 71, 55] Generated Node #0,0: 79:[15, 71, 55] Operation: 39+16=55 Exploring Operation: 15+16=31, Resulting Numbers: [39, 71, 31] Generated Node #0,1: 79:[39, 71, 31] Operation: 15+16=31 Exploring Operation: 15+39=54, Resulting Numbers: [16, 71, 54] Generated Node #0,2: 79:[16, 71, 54] Operation: 15+39=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[15, 71, 55], Operations: ['39+16=55'] Exploring Operation: 15+55=70, Resulting Numbers: [71, 70] Generated Node #0,0,0: 79:[71, 70] Operation: 15+55=70 Exploring Operation: 15+71=86, Resulting Numbers: [55, 86] Generated Node #0,0,1: 79:[55, 86] Operation: 15+71=86 Exploring Operation: 71-15=56, Resulting Numbers: [55, 56] Generated Node #0,0,2: 79:[55, 56] Operation: 71-15=56 Moving to Node #0,0,0 Current State: 79:[71, 70], Operations: ['39+16=55', '15+55=70'] Exploring Operation: 71*70=4970, Resulting Numbers: [4970] 4970,79 unequal: No Solution Exploring Operation: 71+70=141, Resulting Numbers: [141] 141,79 unequal: No Solution Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[55, 86], Operations: ['39+16=55', '15+71=86'] Exploring Operation: 55*86=4730, Resulting Numbers: [4730] 4730,79 unequal: No Solution Exploring Operation: 86-55=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 55+86=141, Resulting Numbers: [141] 141,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[55, 56], Operations: ['39+16=55', '71-15=56'] Exploring Operation: 55+56=111, Resulting Numbers: [111] 111,79 unequal: No Solution Exploring Operation: 56-55=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 55*56=3080, Resulting Numbers: [3080] 3080,79 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:[39, 71, 31], Operations: ['15+16=31'] Exploring Operation: 39+71=110, Resulting Numbers: [31, 110] Generated Node #0,1,0: 79:[31, 110] Operation: 39+71=110 Exploring Operation: 71+31=102, Resulting Numbers: [39, 102] Generated Node #0,1,1: 79:[39, 102] Operation: 71+31=102 Exploring Operation: 39+31=70, Resulting Numbers: [71, 70] Generated Node #0,1,2: 79:[71, 70] Operation: 39+31=70 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 79:[71, 70], Operations: ['15+16=31', '39+31=70'] Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 71+70=141, Resulting Numbers: [141] 141,79 unequal: No Solution Exploring Operation: 71*70=4970, Resulting Numbers: [4970] 4970,79 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:[39, 102], Operations: ['15+16=31', '71+31=102'] Exploring Operation: 39+102=141, Resulting Numbers: [141] 141,79 unequal: No Solution Exploring Operation: 39*102=3978, Resulting Numbers: [3978] 3978,79 unequal: No Solution Exploring Operation: 102-39=63, Resulting Numbers: [63] 63,79 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:[31, 110], Operations: ['15+16=31', '39+71=110'] Exploring Operation: 31*110=3410, Resulting Numbers: [3410] 3410,79 unequal: No Solution Exploring Operation: 31+110=141, Resulting Numbers: [141] 141,79 unequal: No Solution Exploring Operation: 110-31=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[15, 39, 16, 71], Operations: [] Exploring Operation: 15+16=31, Resulting Numbers: [39, 71, 31] Generated Node #0,1: 79:[39, 71, 31] Operation: 15+16=31 Moving to Node #0,1 Current State: 79:[39, 71, 31], Operations: ['15+16=31'] Exploring Operation: 39+71=110, Resulting Numbers: [31, 110] Generated Node #0,1,0: 79:[31, 110] Operation: 39+71=110 Moving to Node #0,1,0 Current State: 79:[31, 110], Operations: ['15+16=31', '39+71=110'] Exploring Operation: 110-31=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 39, 3, 27, 46 ]
31
[ "39+3=42", "27+46=73", "73-42=31" ]
Current State: 31:[39, 3, 27, 46], Operations: [] Exploring Operation: 39+3=42, Resulting Numbers: [27, 46, 42] Generated Node #2: [27, 46, 42] from Operation: 39+3=42 Current State: 31:[27, 46, 42], Operations: ['39+3=42'] Exploring Operation: 27+46=73, Resulting Numbers: [42, 73] Generated Node #3: [42, 73] from Operation: 27+46=73 Current State: 31:[42, 73], Operations: ['39+3=42', '27+46=73'] Exploring Operation: 73-42=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[39, 3, 27, 46], Operations: [] Exploring Operation: 27-3=24, Resulting Numbers: [39, 46, 24] Generated Node #0,0: 31:[39, 46, 24] Operation: 27-3=24 Exploring Operation: 46-3=43, Resulting Numbers: [39, 27, 43] Generated Node #0,1: 31:[39, 27, 43] Operation: 46-3=43 Exploring Operation: 39+3=42, Resulting Numbers: [27, 46, 42] Generated Node #0,2: 31:[27, 46, 42] Operation: 39+3=42 Exploring Operation: 39-3=36, Resulting Numbers: [27, 46, 36] Generated Node #0,3: 31:[27, 46, 36] Operation: 39-3=36 Exploring Operation: 3+27=30, Resulting Numbers: [39, 46, 30] Generated Node #0,4: 31:[39, 46, 30] Operation: 3+27=30 Moving to Node #0,1 Current State: 31:[39, 27, 43], Operations: ['46-3=43'] Exploring Operation: 43-27=16, Resulting Numbers: [39, 16] Generated Node #0,1,0: 31:[39, 16] Operation: 43-27=16 Exploring Operation: 39+27=66, Resulting Numbers: [43, 66] Generated Node #0,1,1: 31:[43, 66] Operation: 39+27=66 Exploring Operation: 43-39=4, Resulting Numbers: [27, 4] Generated Node #0,1,2: 31:[27, 4] Operation: 43-39=4 Exploring Operation: 39-27=12, Resulting Numbers: [43, 12] Generated Node #0,1,3: 31:[43, 12] Operation: 39-27=12 Exploring Operation: 27+43=70, Resulting Numbers: [39, 70] Generated Node #0,1,4: 31:[39, 70] Operation: 27+43=70 Moving to Node #0,4 Current State: 31:[39, 46, 30], Operations: ['3+27=30'] Exploring Operation: 46+30=76, Resulting Numbers: [39, 76] Generated Node #0,4,0: 31:[39, 76] Operation: 46+30=76 Exploring Operation: 46-30=16, Resulting Numbers: [39, 16] Generated Node #0,4,1: 31:[39, 16] Operation: 46-30=16 Exploring Operation: 46-39=7, Resulting Numbers: [30, 7] Generated Node #0,4,2: 31:[30, 7] Operation: 46-39=7 Exploring Operation: 39-30=9, Resulting Numbers: [46, 9] Generated Node #0,4,3: 31:[46, 9] Operation: 39-30=9 Exploring Operation: 39+30=69, Resulting Numbers: [46, 69] Generated Node #0,4,4: 31:[46, 69] Operation: 39+30=69 Moving to Node #0,3 Current State: 31:[27, 46, 36], Operations: ['39-3=36'] Exploring Operation: 36-27=9, Resulting Numbers: [46, 9] Generated Node #0,3,0: 31:[46, 9] Operation: 36-27=9 Exploring Operation: 27+46=73, Resulting Numbers: [36, 73] Generated Node #0,3,1: 31:[36, 73] Operation: 27+46=73 Exploring Operation: 46-27=19, Resulting Numbers: [36, 19] Generated Node #0,3,2: 31:[36, 19] Operation: 46-27=19 Exploring Operation: 27+36=63, Resulting Numbers: [46, 63] Generated Node #0,3,3: 31:[46, 63] Operation: 27+36=63 Exploring Operation: 46-36=10, Resulting Numbers: [27, 10] Generated Node #0,3,4: 31:[27, 10] Operation: 46-36=10 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 31:[36, 19], Operations: ['39-3=36', '46-27=19'] Exploring Operation: 36+19=55, Resulting Numbers: [55] 55,31 unequal: No Solution Exploring Operation: 36*19=684, Resulting Numbers: [684] 684,31 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 31:[27, 10], Operations: ['39-3=36', '46-36=10'] Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,31 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 31:[46, 9], Operations: ['39-3=36', '36-27=9'] Exploring Operation: 46*9=414, Resulting Numbers: [414] 414,31 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,31 unequal: No Solution Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 31:[36, 73], Operations: ['39-3=36', '27+46=73'] Exploring Operation: 36+73=109, Resulting Numbers: [109] 109,31 unequal: No Solution Exploring Operation: 36*73=2628, Resulting Numbers: [2628] 2628,31 unequal: No Solution Exploring Operation: 73-36=37, Resulting Numbers: [37] 37,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 31:[46, 63], Operations: ['39-3=36', '27+36=63'] Exploring Operation: 46*63=2898, Resulting Numbers: [2898] 2898,31 unequal: No Solution Exploring Operation: 46+63=109, Resulting Numbers: [109] 109,31 unequal: No Solution Exploring Operation: 63-46=17, Resulting Numbers: [17] 17,31 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: 31:[39, 46, 24], Operations: ['27-3=24'] Exploring Operation: 39+24=63, Resulting Numbers: [46, 63] Generated Node #0,0,0: 31:[46, 63] Operation: 39+24=63 Exploring Operation: 46+24=70, Resulting Numbers: [39, 70] Generated Node #0,0,1: 31:[39, 70] Operation: 46+24=70 Exploring Operation: 39-24=15, Resulting Numbers: [46, 15] Generated Node #0,0,2: 31:[46, 15] Operation: 39-24=15 Exploring Operation: 46-24=22, Resulting Numbers: [39, 22] Generated Node #0,0,3: 31:[39, 22] Operation: 46-24=22 Exploring Operation: 46-39=7, Resulting Numbers: [24, 7] Generated Node #0,0,4: 31:[24, 7] Operation: 46-39=7 Moving to Node #0,2 Current State: 31:[27, 46, 42], Operations: ['39+3=42'] Exploring Operation: 27+42=69, Resulting Numbers: [46, 69] Generated Node #0,2,0: 31:[46, 69] Operation: 27+42=69 Exploring Operation: 46-27=19, Resulting Numbers: [42, 19] Generated Node #0,2,1: 31:[42, 19] Operation: 46-27=19 Exploring Operation: 27+46=73, Resulting Numbers: [42, 73] Generated Node #0,2,2: 31:[42, 73] Operation: 27+46=73 Exploring Operation: 42-27=15, Resulting Numbers: [46, 15] Generated Node #0,2,3: 31:[46, 15] Operation: 42-27=15 Exploring Operation: 46-42=4, Resulting Numbers: [27, 4] Generated Node #0,2,4: 31:[27, 4] Operation: 46-42=4 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 31:[42, 19], Operations: ['39+3=42', '46-27=19'] Exploring Operation: 42*19=798, Resulting Numbers: [798] 798,31 unequal: No Solution Exploring Operation: 42+19=61, Resulting Numbers: [61] 61,31 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 31:[46, 15], Operations: ['39+3=42', '42-27=15'] Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[39, 3, 27, 46], Operations: [] Exploring Operation: 39+3=42, Resulting Numbers: [27, 46, 42] Generated Node #0,2: 31:[27, 46, 42] Operation: 39+3=42 Moving to Node #0,2 Current State: 31:[27, 46, 42], Operations: ['39+3=42'] Exploring Operation: 42-27=15, Resulting Numbers: [46, 15] Generated Node #0,2,3: 31:[46, 15] Operation: 42-27=15 Moving to Node #0,2,3 Current State: 31:[46, 15], Operations: ['39+3=42', '42-27=15'] Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.953993
hs_5
mult_heuristic
[ 13, 56, 52, 4 ]
64
[ "52/13=4", "56+4=60", "4+60=64" ]
Current State: 64:[13, 56, 52, 4], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [56, 4, 4] Generated Node #2: [56, 4, 4] from Operation: 52/13=4 Current State: 64:[56, 4, 4], Operations: ['52/13=4'] Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,64 equal: Goal Reached Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[13, 56, 52, 4], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [56, 4, 4] Generated Node #0,0: 64:[56, 4, 4] Operation: 52/13=4 Exploring Operation: 13+52=65, Resulting Numbers: [56, 4, 65] Generated Node #0,1: 64:[56, 4, 65] Operation: 13+52=65 Exploring Operation: 52/4=13, Resulting Numbers: [13, 56, 13] Generated Node #0,2: 64:[13, 56, 13] Operation: 52/4=13 Exploring Operation: 52-13=39, Resulting Numbers: [56, 4, 39] Generated Node #0,3: 64:[56, 4, 39] Operation: 52-13=39 Exploring Operation: 56-52=4, Resulting Numbers: [13, 4, 4] Generated Node #0,4: 64:[13, 4, 4] Operation: 56-52=4 Moving to Node #0,4 Current State: 64:[13, 4, 4], Operations: ['56-52=4'] Exploring Operation: 13+4=17, Resulting Numbers: [4, 17] Generated Node #0,4,0: 64:[4, 17] Operation: 13+4=17 Exploring Operation: 4+4=8, Resulting Numbers: [13, 8] Generated Node #0,4,1: 64:[13, 8] Operation: 4+4=8 Exploring Operation: 13-4=9, Resulting Numbers: [4, 9] Generated Node #0,4,2: 64:[4, 9] Operation: 13-4=9 Exploring Operation: 13+4=17, Resulting Numbers: [4, 17] Generated Node #0,4,3: 64:[4, 17] Operation: 13+4=17 Exploring Operation: 13-4=9, Resulting Numbers: [4, 9] Generated Node #0,4,4: 64:[4, 9] Operation: 13-4=9 Moving to Node #0,0 Current State: 64:[56, 4, 4], Operations: ['52/13=4'] Exploring Operation: 56/4=14, Resulting Numbers: [4, 14] Generated Node #0,0,0: 64:[4, 14] Operation: 56/4=14 Exploring Operation: 56+4=60, Resulting Numbers: [4, 60] Generated Node #0,0,1: 64:[4, 60] Operation: 56+4=60 Exploring Operation: 56+4=60, Resulting Numbers: [4, 60] Generated Node #0,0,2: 64:[4, 60] Operation: 56+4=60 Exploring Operation: 56/4=14, Resulting Numbers: [4, 14] Generated Node #0,0,3: 64:[4, 14] Operation: 56/4=14 Exploring Operation: 4+4=8, Resulting Numbers: [56, 8] Generated Node #0,0,4: 64:[56, 8] Operation: 4+4=8 Moving to Node #0,1 Current State: 64:[56, 4, 65], Operations: ['13+52=65'] Exploring Operation: 65-4=61, Resulting Numbers: [56, 61] Generated Node #0,1,0: 64:[56, 61] Operation: 65-4=61 Exploring Operation: 56+4=60, Resulting Numbers: [65, 60] Generated Node #0,1,1: 64:[65, 60] Operation: 56+4=60 Exploring Operation: 56/4=14, Resulting Numbers: [65, 14] Generated Node #0,1,2: 64:[65, 14] Operation: 56/4=14 Exploring Operation: 65-56=9, Resulting Numbers: [4, 9] Generated Node #0,1,3: 64:[4, 9] Operation: 65-56=9 Exploring Operation: 56-4=52, Resulting Numbers: [65, 52] Generated Node #0,1,4: 64:[65, 52] Operation: 56-4=52 Moving to Node #0,2 Current State: 64:[13, 56, 13], Operations: ['52/4=13'] Exploring Operation: 13-13=0, Resulting Numbers: [56, 0] Generated Node #0,2,0: 64:[56, 0] Operation: 13-13=0 Exploring Operation: 56-13=43, Resulting Numbers: [13, 43] Generated Node #0,2,1: 64:[13, 43] Operation: 56-13=43 Exploring Operation: 56+13=69, Resulting Numbers: [13, 69] Generated Node #0,2,2: 64:[13, 69] Operation: 56+13=69 Exploring Operation: 13+56=69, Resulting Numbers: [13, 69] Generated Node #0,2,3: 64:[13, 69] Operation: 13+56=69 Exploring Operation: 13/13=1, Resulting Numbers: [56, 1] Generated Node #0,2,4: 64:[56, 1] Operation: 13/13=1 Moving to Node #0,3 Current State: 64:[56, 4, 39], Operations: ['52-13=39'] Exploring Operation: 39-4=35, Resulting Numbers: [56, 35] Generated Node #0,3,0: 64:[56, 35] Operation: 39-4=35 Exploring Operation: 56-4=52, Resulting Numbers: [39, 52] Generated Node #0,3,1: 64:[39, 52] Operation: 56-4=52 Exploring Operation: 56+4=60, Resulting Numbers: [39, 60] Generated Node #0,3,2: 64:[39, 60] Operation: 56+4=60 Exploring Operation: 56-39=17, Resulting Numbers: [4, 17] Generated Node #0,3,3: 64:[4, 17] Operation: 56-39=17 Exploring Operation: 56/4=14, Resulting Numbers: [39, 14] Generated Node #0,3,4: 64:[39, 14] Operation: 56/4=14 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 64:[4, 17], Operations: ['52-13=39', '56-39=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,64 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,64 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 64:[39, 14], Operations: ['52-13=39', '56/4=14'] Exploring Operation: 39+14=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 39*14=546, Resulting Numbers: [546] 546,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 64:[56, 35], Operations: ['52-13=39', '39-4=35'] Exploring Operation: 56*35=1960, Resulting Numbers: [1960] 1960,64 unequal: No Solution Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 56+35=91, Resulting Numbers: [91] 91,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 64:[39, 60], Operations: ['52-13=39', '56+4=60'] Exploring Operation: 60-39=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 39*60=2340, Resulting Numbers: [2340] 2340,64 unequal: No Solution Exploring Operation: 39+60=99, Resulting Numbers: [99] 99,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 64:[39, 52], Operations: ['52-13=39', '56-4=52'] Exploring Operation: 39*52=2028, Resulting Numbers: [2028] 2028,64 unequal: No Solution Exploring Operation: 39+52=91, Resulting Numbers: [91] 91,64 unequal: No Solution Exploring Operation: 52-39=13, Resulting Numbers: [13] 13,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 64:[4, 17], Operations: ['56-52=4', '13+4=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,64 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,64 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,64 unequal: No Solution Moving to Node #0,4,3 Current State: 64:[4, 17], Operations: ['56-52=4', '13+4=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,64 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,64 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,64 unequal: No Solution Moving to Node #0,4,2 Current State: 64:[4, 9], Operations: ['56-52=4', '13-4=9'] Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,64 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,64 unequal: No Solution Moving to Node #0,1,3 Current State: 64:[4, 9], Operations: ['13+52=65', '65-56=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,64 unequal: No Solution Moving to Node #0,4,4 Current State: 64:[4, 9], Operations: ['56-52=4', '13-4=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,64 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,64 unequal: No Solution Moving to Node #0,0,3 Current State: 64:[4, 14], Operations: ['52/13=4', '56/4=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,64 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,64 unequal: No Solution Moving to Node #0,0,0 Current State: 64:[4, 14], Operations: ['52/13=4', '56/4=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,64 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,64 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,64 unequal: No Solution Moving to Node #0,1,2 Current State: 64:[65, 14], Operations: ['13+52=65', '56/4=14'] Exploring Operation: 65+14=79, Resulting Numbers: [79] 79,64 unequal: No Solution Exploring Operation: 65*14=910, Resulting Numbers: [910] 910,64 unequal: No Solution Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,64 unequal: No Solution Moving to Node #0,4,1 Current State: 64:[13, 8], Operations: ['56-52=4', '4+4=8'] Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,64 unequal: No Solution Moving to Node #0,0,2 Current State: 64:[4, 60], Operations: ['52/13=4', '56+4=60'] Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,64 unequal: No Solution Exploring Operation: 4*60=240, Resulting Numbers: [240] 240,64 unequal: No Solution Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[13, 56, 52, 4], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [56, 4, 4] Generated Node #0,0: 64:[56, 4, 4] Operation: 52/13=4 Moving to Node #0,0 Current State: 64:[56, 4, 4], Operations: ['52/13=4'] Exploring Operation: 56+4=60, Resulting Numbers: [4, 60] Generated Node #0,0,2: 64:[4, 60] Operation: 56+4=60 Moving to Node #0,0,2 Current State: 64:[4, 60], Operations: ['52/13=4', '56+4=60'] Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
0.930556
hs_5
sum_heuristic
[ 34, 5, 72, 26 ]
72
[ "34*5=170", "72+26=98", "170-98=72" ]
Current State: 72:[34, 5, 72, 26], Operations: [] Exploring Operation: 34*5=170, Resulting Numbers: [72, 26, 170] Generated Node #2: [72, 26, 170] from Operation: 34*5=170 Current State: 72:[72, 26, 170], Operations: ['34*5=170'] Exploring Operation: 72+26=98, Resulting Numbers: [170, 98] Generated Node #3: [170, 98] from Operation: 72+26=98 Current State: 72:[170, 98], Operations: ['34*5=170', '72+26=98'] Exploring Operation: 170-98=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[34, 5, 72, 26], Operations: [] Exploring Operation: 34+5=39, Resulting Numbers: [72, 26, 39] Generated Node #0,0: 72:[72, 26, 39] Operation: 34+5=39 Exploring Operation: 34-26=8, Resulting Numbers: [5, 72, 8] Generated Node #0,1: 72:[5, 72, 8] Operation: 34-26=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[5, 72, 8], Operations: ['34-26=8'] Exploring Operation: 8-5=3, Resulting Numbers: [72, 3] Generated Node #0,1,0: 72:[72, 3] Operation: 8-5=3 Exploring Operation: 5+8=13, Resulting Numbers: [72, 13] Generated Node #0,1,1: 72:[72, 13] Operation: 5+8=13 Moving to Node #0,1,0 Current State: 72:[72, 3], Operations: ['34-26=8', '8-5=3'] Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[72, 13], Operations: ['34-26=8', '5+8=13'] Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 72+13=85, Resulting Numbers: [85] 85,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[72, 26, 39], Operations: ['34+5=39'] Exploring Operation: 39-26=13, Resulting Numbers: [72, 13] Generated Node #0,0,0: 72:[72, 13] Operation: 39-26=13 Exploring Operation: 72-39=33, Resulting Numbers: [26, 33] Generated Node #0,0,1: 72:[26, 33] Operation: 72-39=33 Moving to Node #0,0,0 Current State: 72:[72, 13], Operations: ['34+5=39', '39-26=13'] Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 72+13=85, Resulting Numbers: [85] 85,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[26, 33], Operations: ['34+5=39', '72-39=33'] Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 62, 98, 95, 39 ]
26
[ "62+98=160", "95+39=134", "160-134=26" ]
Current State: 26:[62, 98, 95, 39], Operations: [] Exploring Operation: 62+98=160, Resulting Numbers: [95, 39, 160] Generated Node #2: [95, 39, 160] from Operation: 62+98=160 Current State: 26:[95, 39, 160], Operations: ['62+98=160'] Exploring Operation: 95+39=134, Resulting Numbers: [160, 134] Generated Node #3: [160, 134] from Operation: 95+39=134 Current State: 26:[160, 134], Operations: ['62+98=160', '95+39=134'] Exploring Operation: 160-134=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[62, 98, 95, 39], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [62, 39, 3] Generated Node #0,0: 26:[62, 39, 3] Operation: 98-95=3 Moving to Node #0,0 Current State: 26:[62, 39, 3], Operations: ['98-95=3'] Exploring Operation: 62-39=23, Resulting Numbers: [3, 23] Generated Node #0,0,0: 26:[3, 23] Operation: 62-39=23 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[3, 23], Operations: ['98-95=3', '62-39=23'] Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[62, 98, 95, 39], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [62, 39, 3] Generated Node #0,0: 26:[62, 39, 3] Operation: 98-95=3 Moving to Node #0,0 Current State: 26:[62, 39, 3], Operations: ['98-95=3'] Exploring Operation: 62-39=23, Resulting Numbers: [3, 23] Generated Node #0,0,0: 26:[3, 23] Operation: 62-39=23 Moving to Node #0,0,0 Current State: 26:[3, 23], Operations: ['98-95=3', '62-39=23'] Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 67, 63, 18, 17 ]
24
[ "67+17=84", "18*84=1512", "1512/63=24" ]
Current State: 24:[67, 63, 18, 17], Operations: [] Exploring Operation: 67+17=84, Resulting Numbers: [63, 18, 84] Generated Node #2: [63, 18, 84] from Operation: 67+17=84 Current State: 24:[63, 18, 84], Operations: ['67+17=84'] Exploring Operation: 18*84=1512, Resulting Numbers: [63, 1512] Generated Node #3: [63, 1512] from Operation: 18*84=1512 Current State: 24:[63, 1512], Operations: ['67+17=84', '18*84=1512'] Exploring Operation: 1512/63=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[67, 63, 18, 17], Operations: [] Exploring Operation: 67-17=50, Resulting Numbers: [63, 18, 50] Generated Node #0,0: 24:[63, 18, 50] Operation: 67-17=50 Exploring Operation: 67-63=4, Resulting Numbers: [18, 17, 4] Generated Node #0,1: 24:[18, 17, 4] Operation: 67-63=4 Exploring Operation: 63-17=46, Resulting Numbers: [67, 18, 46] Generated Node #0,2: 24:[67, 18, 46] Operation: 63-17=46 Exploring Operation: 63-18=45, Resulting Numbers: [67, 17, 45] Generated Node #0,3: 24:[67, 17, 45] Operation: 63-18=45 Exploring Operation: 67-18=49, Resulting Numbers: [63, 17, 49] Generated Node #0,4: 24:[63, 17, 49] Operation: 67-18=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[18, 17, 4], Operations: ['67-63=4'] Exploring Operation: 18-4=14, Resulting Numbers: [17, 14] Generated Node #0,1,0: 24:[17, 14] Operation: 18-4=14 Exploring Operation: 17-4=13, Resulting Numbers: [18, 13] Generated Node #0,1,1: 24:[18, 13] Operation: 17-4=13 Exploring Operation: 18-17=1, Resulting Numbers: [4, 1] Generated Node #0,1,2: 24:[4, 1] Operation: 18-17=1 Exploring Operation: 18+4=22, Resulting Numbers: [17, 22] Generated Node #0,1,3: 24:[17, 22] Operation: 18+4=22 Exploring Operation: 17+4=21, Resulting Numbers: [18, 21] Generated Node #0,1,4: 24:[18, 21] Operation: 17+4=21 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 24:[4, 1], Operations: ['67-63=4', '18-17=1'] Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,24 unequal: No Solution No 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: 24:[17, 14], Operations: ['67-63=4', '18-4=14'] Exploring Operation: 17+14=31, Resulting Numbers: [31] 31,24 unequal: No Solution Exploring Operation: 17*14=238, Resulting Numbers: [238] 238,24 unequal: No Solution Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,24 unequal: No Solution No 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: 24:[18, 13], Operations: ['67-63=4', '17-4=13'] Exploring Operation: 18*13=234, Resulting Numbers: [234] 234,24 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,24 unequal: No Solution No 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: 24:[17, 22], Operations: ['67-63=4', '18+4=22'] Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 17*22=374, Resulting Numbers: [374] 374,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 24:[18, 21], Operations: ['67-63=4', '17+4=21'] Exploring Operation: 18*21=378, Resulting Numbers: [378] 378,24 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 18+21=39, Resulting Numbers: [39] 39,24 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 Start Sub Search at level 1: Moving to Node #0,3 Current State: 24:[67, 17, 45], Operations: ['63-18=45'] Exploring Operation: 67+17=84, Resulting Numbers: [45, 84] Generated Node #0,3,0: 24:[45, 84] Operation: 67+17=84 Exploring Operation: 45-17=28, Resulting Numbers: [67, 28] Generated Node #0,3,1: 24:[67, 28] Operation: 45-17=28 Exploring Operation: 17+45=62, Resulting Numbers: [67, 62] Generated Node #0,3,2: 24:[67, 62] Operation: 17+45=62 Exploring Operation: 67-17=50, Resulting Numbers: [45, 50] Generated Node #0,3,3: 24:[45, 50] Operation: 67-17=50 Exploring Operation: 67-45=22, Resulting Numbers: [17, 22] Generated Node #0,3,4: 24:[17, 22] Operation: 67-45=22 Moving to Node #0,3,4 Current State: 24:[17, 22], Operations: ['63-18=45', '67-45=22'] Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 17*22=374, Resulting Numbers: [374] 374,24 unequal: No Solution Moving to Node #0,3,3 Current State: 24:[45, 50], Operations: ['63-18=45', '67-17=50'] Exploring Operation: 45+50=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 45*50=2250, Resulting Numbers: [2250] 2250,24 unequal: No Solution Moving to Node #0,3,1 Current State: 24:[67, 28], Operations: ['63-18=45', '45-17=28'] Exploring Operation: 67*28=1876, Resulting Numbers: [1876] 1876,24 unequal: No Solution Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 67+28=95, Resulting Numbers: [95] 95,24 unequal: No Solution Moving to Node #0,3,0 Current State: 24:[45, 84], Operations: ['63-18=45', '67+17=84'] Exploring Operation: 45+84=129, Resulting Numbers: [129] 129,24 unequal: No Solution Exploring Operation: 45*84=3780, Resulting Numbers: [3780] 3780,24 unequal: No Solution Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,24 unequal: No Solution Moving to Node #0,3,2 Current State: 24:[67, 62], Operations: ['63-18=45', '17+45=62'] Exploring Operation: 67*62=4154, Resulting Numbers: [4154] 4154,24 unequal: No Solution Exploring Operation: 67-62=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 67+62=129, Resulting Numbers: [129] 129,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 24:[63, 17, 49], Operations: ['67-18=49'] Exploring Operation: 63+17=80, Resulting Numbers: [49, 80] Generated Node #0,4,0: 24:[49, 80] Operation: 63+17=80 Exploring Operation: 63-17=46, Resulting Numbers: [49, 46] Generated Node #0,4,1: 24:[49, 46] Operation: 63-17=46 Exploring Operation: 17+49=66, Resulting Numbers: [63, 66] Generated Node #0,4,2: 24:[63, 66] Operation: 17+49=66 Exploring Operation: 49-17=32, Resulting Numbers: [63, 32] Generated Node #0,4,3: 24:[63, 32] Operation: 49-17=32 Exploring Operation: 63-49=14, Resulting Numbers: [17, 14] Generated Node #0,4,4: 24:[17, 14] Operation: 63-49=14 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 24:[17, 14], Operations: ['67-18=49', '63-49=14'] Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 17*14=238, Resulting Numbers: [238] 238,24 unequal: No Solution Exploring Operation: 17+14=31, Resulting Numbers: [31] 31,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 24:[49, 46], Operations: ['67-18=49', '63-17=46'] Exploring Operation: 49+46=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 49*46=2254, Resulting Numbers: [2254] 2254,24 unequal: No Solution Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,24 unequal: No Solution No 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: 24:[63, 32], Operations: ['67-18=49', '49-17=32'] Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,24 unequal: No Solution Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,24 unequal: No Solution No 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: 24:[49, 80], Operations: ['67-18=49', '63+17=80'] Exploring Operation: 49+80=129, Resulting Numbers: [129] 129,24 unequal: No Solution Exploring Operation: 49*80=3920, Resulting Numbers: [3920] 3920,24 unequal: No Solution Exploring Operation: 80-49=31, Resulting Numbers: [31] 31,24 unequal: No Solution No 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: 24:[63, 66], Operations: ['67-18=49', '17+49=66'] Exploring Operation: 63*66=4158, Resulting Numbers: [4158] 4158,24 unequal: No Solution Exploring Operation: 63+66=129, Resulting Numbers: [129] 129,24 unequal: No Solution Exploring Operation: 66-63=3, Resulting Numbers: [3] 3,24 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[63, 18, 50], Operations: ['67-17=50'] Exploring Operation: 18+50=68, Resulting Numbers: [63, 68] Generated Node #0,0,0: 24:[63, 68] Operation: 18+50=68 Exploring Operation: 50-18=32, Resulting Numbers: [63, 32] Generated Node #0,0,1: 24:[63, 32] Operation: 50-18=32 Exploring Operation: 63+18=81, Resulting Numbers: [50, 81] Generated Node #0,0,2: 24:[50, 81] Operation: 63+18=81 Exploring Operation: 63-18=45, Resulting Numbers: [50, 45] Generated Node #0,0,3: 24:[50, 45] Operation: 63-18=45 Exploring Operation: 63-50=13, Resulting Numbers: [18, 13] Generated Node #0,0,4: 24:[18, 13] Operation: 63-50=13 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 24:[18, 13], Operations: ['67-17=50', '63-50=13'] Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,24 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 18*13=234, Resulting Numbers: [234] 234,24 unequal: No Solution No 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: 24:[63, 32], Operations: ['67-17=50', '50-18=32'] Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,24 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,24 unequal: No Solution No 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: 24:[50, 45], Operations: ['67-17=50', '63-18=45'] Exploring Operation: 50+45=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 50*45=2250, Resulting Numbers: [2250] 2250,24 unequal: No Solution No 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: 24:[63, 68], Operations: ['67-17=50', '18+50=68'] Exploring Operation: 68-63=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 63+68=131, Resulting Numbers: [131] 131,24 unequal: No Solution Exploring Operation: 63*68=4284, Resulting Numbers: [4284] 4284,24 unequal: No Solution No 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: 24:[50, 81], Operations: ['67-17=50', '63+18=81'] Exploring Operation: 50+81=131, Resulting Numbers: [131] 131,24 unequal: No Solution Exploring Operation: 50*81=4050, Resulting Numbers: [4050] 4050,24 unequal: No Solution Exploring Operation: 81-50=31, Resulting Numbers: [31] 31,24 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[67, 18, 46], Operations: ['63-17=46'] Exploring Operation: 46-18=28, Resulting Numbers: [67, 28] Generated Node #0,2,0: 24:[67, 28] Operation: 46-18=28 Exploring Operation: 18+46=64, Resulting Numbers: [67, 64] Generated Node #0,2,1: 24:[67, 64] Operation: 18+46=64 Exploring Operation: 67-46=21, Resulting Numbers: [18, 21] Generated Node #0,2,2: 24:[18, 21] Operation: 67-46=21 Exploring Operation: 67-18=49, Resulting Numbers: [46, 49] Generated Node #0,2,3: 24:[46, 49] Operation: 67-18=49 Exploring Operation: 67+18=85, Resulting Numbers: [46, 85] Generated Node #0,2,4: 24:[46, 85] Operation: 67+18=85 Moving to Node #0,2,2 Current State: 24:[18, 21], Operations: ['63-17=46', '67-46=21'] Exploring Operation: 18*21=378, Resulting Numbers: [378] 378,24 unequal: No Solution Exploring Operation: 18+21=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,24 unequal: No Solution Moving to Node #0,2,3 Current State: 24:[46, 49], Operations: ['63-17=46', '67-18=49'] Exploring Operation: 46+49=95, Resulting Numbers: [95] 95,24 unequal: No Solution Exploring Operation: 46*49=2254, Resulting Numbers: [2254] 2254,24 unequal: No Solution Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,24 unequal: No Solution Moving to Node #0,2,0 Current State: 24:[67, 28], Operations: ['63-17=46', '46-18=28'] Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 67*28=1876, Resulting Numbers: [1876] 1876,24 unequal: No Solution Exploring Operation: 67+28=95, Resulting Numbers: [95] 95,24 unequal: No Solution Moving to Node #0,2,1 Current State: 24:[67, 64], Operations: ['63-17=46', '18+46=64'] Exploring Operation: 67*64=4288, Resulting Numbers: [4288] 4288,24 unequal: No Solution Exploring Operation: 67+64=131, Resulting Numbers: [131] 131,24 unequal: No Solution Exploring Operation: 67-64=3, Resulting Numbers: [3] 3,24 unequal: No Solution Moving to Node #0,2,4 Current State: 24:[46, 85], Operations: ['63-17=46', '67+18=85'] Exploring Operation: 46*85=3910, Resulting Numbers: [3910] 3910,24 unequal: No Solution Exploring Operation: 85-46=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 46+85=131, Resulting Numbers: [131] 131,24 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
[ 56, 42, 16, 37 ]
49
[ "42*16=672", "672/56=12", "37+12=49" ]
Current State: 49:[56, 42, 16, 37], Operations: [] Exploring Operation: 42*16=672, Resulting Numbers: [56, 37, 672] Generated Node #2: [56, 37, 672] from Operation: 42*16=672 Current State: 49:[56, 37, 672], Operations: ['42*16=672'] Exploring Operation: 672/56=12, Resulting Numbers: [37, 12] Generated Node #3: [37, 12] from Operation: 672/56=12 Current State: 49:[37, 12], Operations: ['42*16=672', '672/56=12'] Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[56, 42, 16, 37], Operations: [] Exploring Operation: 16+37=53, Resulting Numbers: [56, 42, 53] Generated Node #0,0: 49:[56, 42, 53] Operation: 16+37=53 Exploring Operation: 42-37=5, Resulting Numbers: [56, 16, 5] Generated Node #0,1: 49:[56, 16, 5] Operation: 42-37=5 Moving to Node #0,0 Current State: 49:[56, 42, 53], Operations: ['16+37=53'] Exploring Operation: 56-42=14, Resulting Numbers: [53, 14] Generated Node #0,0,0: 49:[53, 14] Operation: 56-42=14 Exploring Operation: 56-53=3, Resulting Numbers: [42, 3] Generated Node #0,0,1: 49:[42, 3] Operation: 56-53=3 Moving to Node #0,1 Current State: 49:[56, 16, 5], Operations: ['42-37=5'] Exploring Operation: 56-5=51, Resulting Numbers: [16, 51] Generated Node #0,1,0: 49:[16, 51] Operation: 56-5=51 Exploring Operation: 56-16=40, Resulting Numbers: [5, 40] Generated Node #0,1,1: 49:[5, 40] Operation: 56-16=40 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[16, 51], Operations: ['42-37=5', '56-5=51'] Exploring Operation: 16+51=67, Resulting Numbers: [67] 67,49 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,49 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:[5, 40], Operations: ['42-37=5', '56-16=40'] Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,49 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,49 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: 49:[53, 14], Operations: ['16+37=53', '56-42=14'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 53+14=67, Resulting Numbers: [67] 67,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[42, 3], Operations: ['16+37=53', '56-53=3'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,49 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 21, 34, 29, 1 ]
83
[ "21+34=55", "29-1=28", "55+28=83" ]
Current State: 83:[21, 34, 29, 1], Operations: [] Exploring Operation: 21+34=55, Resulting Numbers: [29, 1, 55] Generated Node #2: [29, 1, 55] from Operation: 21+34=55 Current State: 83:[29, 1, 55], Operations: ['21+34=55'] Exploring Operation: 29-1=28, Resulting Numbers: [55, 28] Generated Node #3: [55, 28] from Operation: 29-1=28 Current State: 83:[55, 28], Operations: ['21+34=55', '29-1=28'] Exploring Operation: 55+28=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[21, 34, 29, 1], Operations: [] Exploring Operation: 21+29=50, Resulting Numbers: [34, 1, 50] Generated Node #0,0: 83:[34, 1, 50] Operation: 21+29=50 Exploring Operation: 34+1=35, Resulting Numbers: [21, 29, 35] Generated Node #0,1: 83:[21, 29, 35] Operation: 34+1=35 Exploring Operation: 21+1=22, Resulting Numbers: [34, 29, 22] Generated Node #0,2: 83:[34, 29, 22] Operation: 21+1=22 Exploring Operation: 34+29=63, Resulting Numbers: [21, 1, 63] Generated Node #0,3: 83:[21, 1, 63] Operation: 34+29=63 Exploring Operation: 21+34=55, Resulting Numbers: [29, 1, 55] Generated Node #0,4: 83:[29, 1, 55] Operation: 21+34=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[34, 1, 50], Operations: ['21+29=50'] Exploring Operation: 1+50=51, Resulting Numbers: [34, 51] Generated Node #0,0,0: 83:[34, 51] Operation: 1+50=51 Exploring Operation: 34+1=35, Resulting Numbers: [50, 35] Generated Node #0,0,1: 83:[50, 35] Operation: 34+1=35 Exploring Operation: 34/1=34, Resulting Numbers: [50, 34] Generated Node #0,0,2: 83:[50, 34] Operation: 34/1=34 Exploring Operation: 34*1=34, Resulting Numbers: [50, 34] Generated Node #0,0,3: 83:[50, 34] Operation: 34*1=34 Exploring Operation: 1*50=50, Resulting Numbers: [34, 50] Generated Node #0,0,4: 83:[34, 50] Operation: 1*50=50 Moving to Node #0,0,0 Current State: 83:[34, 51], Operations: ['21+29=50', '1+50=51'] Exploring Operation: 34*51=1734, Resulting Numbers: [1734] 1734,83 unequal: No Solution Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[50, 35], Operations: ['21+29=50', '34+1=35'] Exploring Operation: 50+35=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,83 unequal: No Solution Exploring Operation: 50*35=1750, Resulting Numbers: [1750] 1750,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[50, 34], Operations: ['21+29=50', '34/1=34'] Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 50+34=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 50*34=1700, Resulting Numbers: [1700] 1700,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[50, 34], Operations: ['21+29=50', '34*1=34'] Exploring Operation: 50+34=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 50*34=1700, Resulting Numbers: [1700] 1700,83 unequal: No Solution Moving to Node #0,0,4 Current State: 83:[34, 50], Operations: ['21+29=50', '1*50=50'] Exploring Operation: 34+50=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 34*50=1700, Resulting Numbers: [1700] 1700,83 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,83 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 Current State: 83:[21, 29, 35], Operations: ['34+1=35'] Exploring Operation: 21+35=56, Resulting Numbers: [29, 56] Generated Node #0,1,0: 83:[29, 56] Operation: 21+35=56 Exploring Operation: 29+35=64, Resulting Numbers: [21, 64] Generated Node #0,1,1: 83:[21, 64] Operation: 29+35=64 Exploring Operation: 29-21=8, Resulting Numbers: [35, 8] Generated Node #0,1,2: 83:[35, 8] Operation: 29-21=8 Exploring Operation: 35-21=14, Resulting Numbers: [29, 14] Generated Node #0,1,3: 83:[29, 14] Operation: 35-21=14 Exploring Operation: 21+29=50, Resulting Numbers: [35, 50] Generated Node #0,1,4: 83:[35, 50] Operation: 21+29=50 Moving to Node #0,1,0 Current State: 83:[29, 56], Operations: ['34+1=35', '21+35=56'] Exploring Operation: 29+56=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 29*56=1624, Resulting Numbers: [1624] 1624,83 unequal: No Solution Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,83 unequal: No Solution Moving to Node #0,1,4 Current State: 83:[35, 50], Operations: ['34+1=35', '21+29=50'] Exploring Operation: 35+50=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 35*50=1750, Resulting Numbers: [1750] 1750,83 unequal: No Solution Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[21, 64], Operations: ['34+1=35', '29+35=64'] Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,83 unequal: No Solution Exploring Operation: 21+64=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 21*64=1344, Resulting Numbers: [1344] 1344,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[35, 8], Operations: ['34+1=35', '29-21=8'] Exploring Operation: 35*8=280, Resulting Numbers: [280] 280,83 unequal: No Solution Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 35+8=43, Resulting Numbers: [43] 43,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[29, 14], Operations: ['34+1=35', '35-21=14'] Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,83 unequal: No Solution Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,83 unequal: No Solution Exploring Operation: 29*14=406, Resulting Numbers: [406] 406,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[34, 29, 22], Operations: ['21+1=22'] Exploring Operation: 34+29=63, Resulting Numbers: [22, 63] Generated Node #0,2,0: 83:[22, 63] Operation: 34+29=63 Exploring Operation: 29-22=7, Resulting Numbers: [34, 7] Generated Node #0,2,1: 83:[34, 7] Operation: 29-22=7 Exploring Operation: 29+22=51, Resulting Numbers: [34, 51] Generated Node #0,2,2: 83:[34, 51] Operation: 29+22=51 Exploring Operation: 34+22=56, Resulting Numbers: [29, 56] Generated Node #0,2,3: 83:[29, 56] Operation: 34+22=56 Exploring Operation: 34-22=12, Resulting Numbers: [29, 12] Generated Node #0,2,4: 83:[29, 12] Operation: 34-22=12 Moving to Node #0,2,0 Current State: 83:[22, 63], Operations: ['21+1=22', '34+29=63'] Exploring Operation: 63-22=41, Resulting Numbers: [41] 41,83 unequal: No Solution Exploring Operation: 22*63=1386, Resulting Numbers: [1386] 1386,83 unequal: No Solution Exploring Operation: 22+63=85, Resulting Numbers: [85] 85,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[29, 56], Operations: ['21+1=22', '34+22=56'] Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 29*56=1624, Resulting Numbers: [1624] 1624,83 unequal: No Solution Exploring Operation: 29+56=85, Resulting Numbers: [85] 85,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[34, 51], Operations: ['21+1=22', '29+22=51'] Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,83 unequal: No Solution Exploring Operation: 34*51=1734, Resulting Numbers: [1734] 1734,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[34, 7], Operations: ['21+1=22', '29-22=7'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,83 unequal: No Solution Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[29, 12], Operations: ['21+1=22', '34-22=12'] Exploring Operation: 29*12=348, Resulting Numbers: [348] 348,83 unequal: No Solution Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,83 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[21, 1, 63], Operations: ['34+29=63'] Exploring Operation: 21+1=22, Resulting Numbers: [63, 22] Generated Node #0,3,0: 83:[63, 22] Operation: 21+1=22 Exploring Operation: 21/1=21, Resulting Numbers: [63, 21] Generated Node #0,3,1: 83:[63, 21] Operation: 21/1=21 Exploring Operation: 21*1=21, Resulting Numbers: [63, 21] Generated Node #0,3,2: 83:[63, 21] Operation: 21*1=21 Exploring Operation: 1+63=64, Resulting Numbers: [21, 64] Generated Node #0,3,3: 83:[21, 64] Operation: 1+63=64 Exploring Operation: 1*63=63, Resulting Numbers: [21, 63] Generated Node #0,3,4: 83:[21, 63] Operation: 1*63=63 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 83:[63, 22], Operations: ['34+29=63', '21+1=22'] Exploring Operation: 63-22=41, Resulting Numbers: [41] 41,83 unequal: No Solution Exploring Operation: 63+22=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 63*22=1386, Resulting Numbers: [1386] 1386,83 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 #0,3,3 Current State: 83:[21, 64], Operations: ['34+29=63', '1+63=64'] Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,83 unequal: No Solution Exploring Operation: 21*64=1344, Resulting Numbers: [1344] 1344,83 unequal: No Solution Exploring Operation: 21+64=85, Resulting Numbers: [85] 85,83 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 #0,3,1 Current State: 83:[63, 21], Operations: ['34+29=63', '21/1=21'] Exploring Operation: 63*21=1323, Resulting Numbers: [1323] 1323,83 unequal: No Solution Exploring Operation: 63+21=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,83 unequal: No Solution Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 83:[63, 21], Operations: ['34+29=63', '21*1=21'] Exploring Operation: 63*21=1323, Resulting Numbers: [1323] 1323,83 unequal: No Solution Exploring Operation: 63+21=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,83 unequal: No Solution Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,83 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 #0,3,4 Current State: 83:[21, 63], Operations: ['34+29=63', '1*63=63'] Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,83 unequal: No Solution Exploring Operation: 21+63=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 21*63=1323, Resulting Numbers: [1323] 1323,83 unequal: No Solution Exploring Operation: 63-21=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 #0,4 Current State: 83:[29, 1, 55], Operations: ['21+34=55'] Exploring Operation: 1+55=56, Resulting Numbers: [29, 56] Generated Node #0,4,0: 83:[29, 56] Operation: 1+55=56 Exploring Operation: 29/1=29, Resulting Numbers: [55, 29] Generated Node #0,4,1: 83:[55, 29] Operation: 29/1=29 Exploring Operation: 29+1=30, Resulting Numbers: [55, 30] Generated Node #0,4,2: 83:[55, 30] Operation: 29+1=30 Exploring Operation: 1*55=55, Resulting Numbers: [29, 55] Generated Node #0,4,3: 83:[29, 55] Operation: 1*55=55 Exploring Operation: 29*1=29, Resulting Numbers: [55, 29] Generated Node #0,4,4: 83:[55, 29] Operation: 29*1=29 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 83:[29, 56], Operations: ['21+34=55', '1+55=56'] Exploring Operation: 29+56=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 29*56=1624, Resulting Numbers: [1624] 1624,83 unequal: No Solution Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,83 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 #0,4,2 Current State: 83:[55, 30], Operations: ['21+34=55', '29+1=30'] Exploring Operation: 55+30=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 55-30=25, Resulting Numbers: [25] 25,83 unequal: No Solution Exploring Operation: 55*30=1650, Resulting Numbers: [1650] 1650,83 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 #0,4,1 Current State: 83:[55, 29], Operations: ['21+34=55', '29/1=29'] Exploring Operation: 55+29=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,83 unequal: No Solution Exploring Operation: 55*29=1595, Resulting Numbers: [1595] 1595,83 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 #0,4,3 Current State: 83:[29, 55], Operations: ['21+34=55', '1*55=55'] Exploring Operation: 29+55=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 29*55=1595, Resulting Numbers: [1595] 1595,83 unequal: No Solution Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,83 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 #0,4,4 Current State: 83:[55, 29], Operations: ['21+34=55', '29*1=29'] Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,83 unequal: No Solution Exploring Operation: 55*29=1595, Resulting Numbers: [1595] 1595,83 unequal: No Solution Exploring Operation: 55+29=84, Resulting Numbers: [84] 84,83 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_5
mult_heuristic
[ 9, 21, 22, 97 ]
89
[ "9+21=30", "22+97=119", "119-30=89" ]
Current State: 89:[9, 21, 22, 97], Operations: [] Exploring Operation: 9+21=30, Resulting Numbers: [22, 97, 30] Generated Node #2: [22, 97, 30] from Operation: 9+21=30 Current State: 89:[22, 97, 30], Operations: ['9+21=30'] Exploring Operation: 22+97=119, Resulting Numbers: [30, 119] Generated Node #3: [30, 119] from Operation: 22+97=119 Current State: 89:[30, 119], Operations: ['9+21=30', '22+97=119'] Exploring Operation: 119-30=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[9, 21, 22, 97], Operations: [] Exploring Operation: 9+22=31, Resulting Numbers: [21, 97, 31] Generated Node #0,0: 89:[21, 97, 31] Operation: 9+22=31 Exploring Operation: 21+22=43, Resulting Numbers: [9, 97, 43] Generated Node #0,1: 89:[9, 97, 43] Operation: 21+22=43 Exploring Operation: 9+21=30, Resulting Numbers: [22, 97, 30] Generated Node #0,2: 89:[22, 97, 30] Operation: 9+21=30 Moving to Node #0,0 Current State: 89:[21, 97, 31], Operations: ['9+22=31'] Exploring Operation: 21+31=52, Resulting Numbers: [97, 52] Generated Node #0,0,0: 89:[97, 52] Operation: 21+31=52 Exploring Operation: 97-21=76, Resulting Numbers: [31, 76] Generated Node #0,0,1: 89:[31, 76] Operation: 97-21=76 Exploring Operation: 21+97=118, Resulting Numbers: [31, 118] Generated Node #0,0,2: 89:[31, 118] Operation: 21+97=118 Moving to Node #0,1 Current State: 89:[9, 97, 43], Operations: ['21+22=43'] Exploring Operation: 9+43=52, Resulting Numbers: [97, 52] Generated Node #0,1,0: 89:[97, 52] Operation: 9+43=52 Exploring Operation: 9+97=106, Resulting Numbers: [43, 106] Generated Node #0,1,1: 89:[43, 106] Operation: 9+97=106 Exploring Operation: 97-9=88, Resulting Numbers: [43, 88] Generated Node #0,1,2: 89:[43, 88] Operation: 97-9=88 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[97, 52], Operations: ['21+22=43', '9+43=52'] Exploring Operation: 97+52=149, Resulting Numbers: [149] 149,89 unequal: No Solution Exploring Operation: 97*52=5044, Resulting Numbers: [5044] 5044,89 unequal: No Solution Exploring Operation: 97-52=45, Resulting Numbers: [45] 45,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[43, 88], Operations: ['21+22=43', '97-9=88'] Exploring Operation: 43+88=131, Resulting Numbers: [131] 131,89 unequal: No Solution Exploring Operation: 88-43=45, Resulting Numbers: [45] 45,89 unequal: No Solution Exploring Operation: 43*88=3784, Resulting Numbers: [3784] 3784,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[43, 106], Operations: ['21+22=43', '9+97=106'] Exploring Operation: 43*106=4558, Resulting Numbers: [4558] 4558,89 unequal: No Solution Exploring Operation: 106-43=63, Resulting Numbers: [63] 63,89 unequal: No Solution Exploring Operation: 43+106=149, Resulting Numbers: [149] 149,89 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: 89:[22, 97, 30], Operations: ['9+21=30'] Exploring Operation: 22+30=52, Resulting Numbers: [97, 52] Generated Node #0,2,0: 89:[97, 52] Operation: 22+30=52 Exploring Operation: 97-22=75, Resulting Numbers: [30, 75] Generated Node #0,2,1: 89:[30, 75] Operation: 97-22=75 Exploring Operation: 22+97=119, Resulting Numbers: [30, 119] Generated Node #0,2,2: 89:[30, 119] Operation: 22+97=119 Moving to Node #0,0,0 Current State: 89:[97, 52], Operations: ['9+22=31', '21+31=52'] Exploring Operation: 97+52=149, Resulting Numbers: [149] 149,89 unequal: No Solution Exploring Operation: 97*52=5044, Resulting Numbers: [5044] 5044,89 unequal: No Solution Exploring Operation: 97-52=45, Resulting Numbers: [45] 45,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[97, 52], Operations: ['9+21=30', '22+30=52'] Exploring Operation: 97*52=5044, Resulting Numbers: [5044] 5044,89 unequal: No Solution Exploring Operation: 97-52=45, Resulting Numbers: [45] 45,89 unequal: No Solution Exploring Operation: 97+52=149, Resulting Numbers: [149] 149,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[31, 76], Operations: ['9+22=31', '97-21=76'] Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,89 unequal: No Solution Exploring Operation: 31+76=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 31*76=2356, Resulting Numbers: [2356] 2356,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[30, 75], Operations: ['9+21=30', '97-22=75'] Exploring Operation: 30+75=105, Resulting Numbers: [105] 105,89 unequal: No Solution Exploring Operation: 75-30=45, Resulting Numbers: [45] 45,89 unequal: No Solution Exploring Operation: 30*75=2250, Resulting Numbers: [2250] 2250,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[31, 118], Operations: ['9+22=31', '21+97=118'] Exploring Operation: 31*118=3658, Resulting Numbers: [3658] 3658,89 unequal: No Solution Exploring Operation: 118-31=87, Resulting Numbers: [87] 87,89 unequal: No Solution Exploring Operation: 31+118=149, Resulting Numbers: [149] 149,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[30, 119], Operations: ['9+21=30', '22+97=119'] Exploring Operation: 30+119=149, Resulting Numbers: [149] 149,89 unequal: No Solution Exploring Operation: 119-30=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[9, 21, 22, 97], Operations: [] Exploring Operation: 9+21=30, Resulting Numbers: [22, 97, 30] Generated Node #0,2: 89:[22, 97, 30] Operation: 9+21=30 Moving to Node #0,2 Current State: 89:[22, 97, 30], Operations: ['9+21=30'] Exploring Operation: 22+97=119, Resulting Numbers: [30, 119] Generated Node #0,2,2: 89:[30, 119] Operation: 22+97=119 Moving to Node #0,2,2 Current State: 89:[30, 119], Operations: ['9+21=30', '22+97=119'] Exploring Operation: 119-30=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
0.963542
hs_3
sum_heuristic
[ 39, 70, 28, 26 ]
28
[ "39*28=1092", "1092/26=42", "70-42=28" ]
Current State: 28:[39, 70, 28, 26], Operations: [] Exploring Operation: 39*28=1092, Resulting Numbers: [70, 26, 1092] Generated Node #2: [70, 26, 1092] from Operation: 39*28=1092 Current State: 28:[70, 26, 1092], Operations: ['39*28=1092'] Exploring Operation: 1092/26=42, Resulting Numbers: [70, 42] Generated Node #3: [70, 42] from Operation: 1092/26=42 Current State: 28:[70, 42], Operations: ['39*28=1092', '1092/26=42'] Exploring Operation: 70-42=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[39, 70, 28, 26], Operations: [] Exploring Operation: 70-39=31, Resulting Numbers: [28, 26, 31] Generated Node #0,0: 28:[28, 26, 31] Operation: 70-39=31 Exploring Operation: 70-28=42, Resulting Numbers: [39, 26, 42] Generated Node #0,1: 28:[39, 26, 42] Operation: 70-28=42 Moving to Node #0,0 Current State: 28:[28, 26, 31], Operations: ['70-39=31'] Exploring Operation: 31-26=5, Resulting Numbers: [28, 5] Generated Node #0,0,0: 28:[28, 5] Operation: 31-26=5 Exploring Operation: 28-26=2, Resulting Numbers: [31, 2] Generated Node #0,0,1: 28:[31, 2] Operation: 28-26=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[28, 5], Operations: ['70-39=31', '31-26=5'] Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,28 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,28 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 #0,0,1 Current State: 28:[31, 2], Operations: ['70-39=31', '28-26=2'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,28 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,28 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: 28:[39, 26, 42], Operations: ['70-28=42'] Exploring Operation: 42-39=3, Resulting Numbers: [26, 3] Generated Node #0,1,0: 28:[26, 3] Operation: 42-39=3 Exploring Operation: 42-26=16, Resulting Numbers: [39, 16] Generated Node #0,1,1: 28:[39, 16] Operation: 42-26=16 Moving to Node #0,1,0 Current State: 28:[26, 3], Operations: ['70-28=42', '42-39=3'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,28 unequal: No Solution Exploring Operation: 26+3=29, Resulting Numbers: [29] 29,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[39, 16], Operations: ['70-28=42', '42-26=16'] Exploring Operation: 39+16=55, Resulting Numbers: [55] 55,28 unequal: No Solution Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,28 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 11, 7, 1, 78 ]
22
[ "78-1=77", "77/7=11", "11+11=22" ]
Current State: 22:[11, 7, 1, 78], Operations: [] Exploring Operation: 78-1=77, Resulting Numbers: [11, 7, 77] Generated Node #2: [11, 7, 77] from Operation: 78-1=77 Current State: 22:[11, 7, 77], Operations: ['78-1=77'] Exploring Operation: 77/7=11, Resulting Numbers: [11, 11] Generated Node #3: [11, 11] from Operation: 77/7=11 Current State: 22:[11, 11], Operations: ['78-1=77', '77/7=11'] Exploring Operation: 11+11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[11, 7, 1, 78], Operations: [] Exploring Operation: 78-11=67, Resulting Numbers: [7, 1, 67] Generated Node #0,0: 22:[7, 1, 67] Operation: 78-11=67 Exploring Operation: 78-7=71, Resulting Numbers: [11, 1, 71] Generated Node #0,1: 22:[11, 1, 71] Operation: 78-7=71 Exploring Operation: 11-7=4, Resulting Numbers: [1, 78, 4] Generated Node #0,2: 22:[1, 78, 4] Operation: 11-7=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[7, 1, 67], Operations: ['78-11=67'] Exploring Operation: 67-7=60, Resulting Numbers: [1, 60] Generated Node #0,0,0: 22:[1, 60] Operation: 67-7=60 Exploring Operation: 7+1=8, Resulting Numbers: [67, 8] Generated Node #0,0,1: 22:[67, 8] Operation: 7+1=8 Exploring Operation: 67-1=66, Resulting Numbers: [7, 66] Generated Node #0,0,2: 22:[7, 66] Operation: 67-1=66 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[1, 60], Operations: ['78-11=67', '67-7=60'] Exploring Operation: 1*60=60, Resulting Numbers: [60] 60,22 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,22 unequal: No Solution Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 22:[67, 8], Operations: ['78-11=67', '7+1=8'] Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,22 unequal: No Solution Exploring Operation: 67+8=75, Resulting Numbers: [75] 75,22 unequal: No Solution Exploring Operation: 67*8=536, Resulting Numbers: [536] 536,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 22:[7, 66], Operations: ['78-11=67', '67-1=66'] Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,22 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,22 unequal: No Solution Exploring Operation: 7*66=462, Resulting Numbers: [462] 462,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[11, 1, 71], Operations: ['78-7=71'] Exploring Operation: 71-1=70, Resulting Numbers: [11, 70] Generated Node #0,1,0: 22:[11, 70] Operation: 71-1=70 Exploring Operation: 71-11=60, Resulting Numbers: [1, 60] Generated Node #0,1,1: 22:[1, 60] Operation: 71-11=60 Exploring Operation: 11*1=11, Resulting Numbers: [71, 11] Generated Node #0,1,2: 22:[71, 11] Operation: 11*1=11 Moving to Node #0,1,1 Current State: 22:[1, 60], Operations: ['78-7=71', '71-11=60'] Exploring Operation: 1*60=60, Resulting Numbers: [60] 60,22 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,22 unequal: No Solution Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[11, 70], Operations: ['78-7=71', '71-1=70'] Exploring Operation: 11*70=770, Resulting Numbers: [770] 770,22 unequal: No Solution Exploring Operation: 11+70=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[71, 11], Operations: ['78-7=71', '11*1=11'] Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,22 unequal: No Solution Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,22 unequal: No Solution Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[1, 78, 4], Operations: ['11-7=4'] Exploring Operation: 78-4=74, Resulting Numbers: [1, 74] Generated Node #0,2,0: 22:[1, 74] Operation: 78-4=74 Exploring Operation: 78-1=77, Resulting Numbers: [4, 77] Generated Node #0,2,1: 22:[4, 77] Operation: 78-1=77 Exploring Operation: 4-1=3, Resulting Numbers: [78, 3] Generated Node #0,2,2: 22:[78, 3] Operation: 4-1=3 Moving to Node #0,2,0 Current State: 22:[1, 74], Operations: ['11-7=4', '78-4=74'] Exploring Operation: 1*74=74, Resulting Numbers: [74] 74,22 unequal: No Solution Exploring Operation: 74-1=73, Resulting Numbers: [73] 73,22 unequal: No Solution Exploring Operation: 74/1=74, Resulting Numbers: [74] 74,22 unequal: No Solution Moving to Node #0,2,1 Current State: 22:[4, 77], Operations: ['11-7=4', '78-1=77'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,22 unequal: No Solution Exploring Operation: 4*77=308, Resulting Numbers: [308] 308,22 unequal: No Solution Exploring Operation: 4+77=81, Resulting Numbers: [81] 81,22 unequal: No Solution Moving to Node #0,2,2 Current State: 22:[78, 3], Operations: ['11-7=4', '4-1=3'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,22 unequal: No Solution Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,22 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
[ 99, 75, 58, 16 ]
87
[ "99-75=24", "58*24=1392", "1392/16=87" ]
Current State: 87:[99, 75, 58, 16], Operations: [] Exploring Operation: 99-75=24, Resulting Numbers: [58, 16, 24] Generated Node #2: [58, 16, 24] from Operation: 99-75=24 Current State: 87:[58, 16, 24], Operations: ['99-75=24'] Exploring Operation: 58*24=1392, Resulting Numbers: [16, 1392] Generated Node #3: [16, 1392] from Operation: 58*24=1392 Current State: 87:[16, 1392], Operations: ['99-75=24', '58*24=1392'] Exploring Operation: 1392/16=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[99, 75, 58, 16], Operations: [] Exploring Operation: 99-58=41, Resulting Numbers: [75, 16, 41] Generated Node #0,0: 87:[75, 16, 41] Operation: 99-58=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[75, 16, 41], Operations: ['99-58=41'] Exploring Operation: 75+16=91, Resulting Numbers: [41, 91] Generated Node #0,0,0: 87:[41, 91] Operation: 75+16=91 Moving to Node #0,0,0 Current State: 87:[41, 91], Operations: ['99-58=41', '75+16=91'] Exploring Operation: 91-41=50, Resulting Numbers: [50] 50,87 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
[ 10, 75, 70, 26 ]
41
[ "10+75=85", "70-26=44", "85-44=41" ]
Current State: 41:[10, 75, 70, 26], Operations: [] Exploring Operation: 10+75=85, Resulting Numbers: [70, 26, 85] Generated Node #2: [70, 26, 85] from Operation: 10+75=85 Current State: 41:[70, 26, 85], Operations: ['10+75=85'] Exploring Operation: 70-26=44, Resulting Numbers: [85, 44] Generated Node #3: [85, 44] from Operation: 70-26=44 Current State: 41:[85, 44], Operations: ['10+75=85', '70-26=44'] Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[10, 75, 70, 26], Operations: [] Exploring Operation: 75-10=65, Resulting Numbers: [70, 26, 65] Generated Node #0,0: 41:[70, 26, 65] Operation: 75-10=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[70, 26, 65], Operations: ['75-10=65'] Exploring Operation: 70-26=44, Resulting Numbers: [65, 44] Generated Node #0,0,0: 41:[65, 44] Operation: 70-26=44 Moving to Node #0,0,0 Current State: 41:[65, 44], Operations: ['75-10=65', '70-26=44'] Exploring Operation: 65-44=21, Resulting Numbers: [21] 21,41 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
[ 15, 10, 58, 37 ]
46
[ "15+10=25", "58-37=21", "25+21=46" ]
Current State: 46:[15, 10, 58, 37], Operations: [] Exploring Operation: 15+10=25, Resulting Numbers: [58, 37, 25] Generated Node #2: [58, 37, 25] from Operation: 15+10=25 Current State: 46:[58, 37, 25], Operations: ['15+10=25'] Exploring Operation: 58-37=21, Resulting Numbers: [25, 21] Generated Node #3: [25, 21] from Operation: 58-37=21 Current State: 46:[25, 21], Operations: ['15+10=25', '58-37=21'] Exploring Operation: 25+21=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[15, 10, 58, 37], Operations: [] Exploring Operation: 58-37=21, Resulting Numbers: [15, 10, 21] Generated Node #0,0: 46:[15, 10, 21] Operation: 58-37=21 Moving to Node #0,0 Current State: 46:[15, 10, 21], Operations: ['58-37=21'] Exploring Operation: 15+10=25, Resulting Numbers: [21, 25] Generated Node #0,0,0: 46:[21, 25] Operation: 15+10=25 Moving to Node #0,0,0 Current State: 46:[21, 25], Operations: ['58-37=21', '15+10=25'] Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[15, 10, 58, 37], Operations: [] Exploring Operation: 58-37=21, Resulting Numbers: [15, 10, 21] Generated Node #0,0: 46:[15, 10, 21] Operation: 58-37=21 Moving to Node #0,0 Current State: 46:[15, 10, 21], Operations: ['58-37=21'] Exploring Operation: 15+10=25, Resulting Numbers: [21, 25] Generated Node #0,0,0: 46:[21, 25] Operation: 15+10=25 Moving to Node #0,0,0 Current State: 46:[21, 25], Operations: ['58-37=21', '15+10=25'] Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 84, 96, 46, 43 ]
15
[ "96-84=12", "46-43=3", "12+3=15" ]
Current State: 15:[84, 96, 46, 43], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [46, 43, 12] Generated Node #2: [46, 43, 12] from Operation: 96-84=12 Current State: 15:[46, 43, 12], Operations: ['96-84=12'] Exploring Operation: 46-43=3, Resulting Numbers: [12, 3] Generated Node #3: [12, 3] from Operation: 46-43=3 Current State: 15:[12, 3], Operations: ['96-84=12', '46-43=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[84, 96, 46, 43], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [46, 43, 12] Generated Node #0,0: 15:[46, 43, 12] Operation: 96-84=12 Exploring Operation: 84-46=38, Resulting Numbers: [96, 43, 38] Generated Node #0,1: 15:[96, 43, 38] Operation: 84-46=38 Exploring Operation: 96-46=50, Resulting Numbers: [84, 43, 50] Generated Node #0,2: 15:[84, 43, 50] Operation: 96-46=50 Exploring Operation: 84-43=41, Resulting Numbers: [96, 46, 41] Generated Node #0,3: 15:[96, 46, 41] Operation: 84-43=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[46, 43, 12], Operations: ['96-84=12'] Exploring Operation: 46-12=34, Resulting Numbers: [43, 34] Generated Node #0,0,0: 15:[43, 34] Operation: 46-12=34 Exploring Operation: 46-43=3, Resulting Numbers: [12, 3] Generated Node #0,0,1: 15:[12, 3] Operation: 46-43=3 Exploring Operation: 46+12=58, Resulting Numbers: [43, 58] Generated Node #0,0,2: 15:[43, 58] Operation: 46+12=58 Exploring Operation: 43-12=31, Resulting Numbers: [46, 31] Generated Node #0,0,3: 15:[46, 31] Operation: 43-12=31 Moving to Node #0,0,1 Current State: 15:[12, 3], Operations: ['96-84=12', '46-43=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[84, 96, 46, 43], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [46, 43, 12] Generated Node #0,0: 15:[46, 43, 12] Operation: 96-84=12 Moving to Node #0,0 Current State: 15:[46, 43, 12], Operations: ['96-84=12'] Exploring Operation: 46-43=3, Resulting Numbers: [12, 3] Generated Node #0,0,1: 15:[12, 3] Operation: 46-43=3 Moving to Node #0,0,1 Current State: 15:[12, 3], Operations: ['96-84=12', '46-43=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 13, 14, 71, 17 ]
65
[ "14+71=85", "13*85=1105", "1105/17=65" ]
Current State: 65:[13, 14, 71, 17], Operations: [] Exploring Operation: 14+71=85, Resulting Numbers: [13, 17, 85] Generated Node #2: [13, 17, 85] from Operation: 14+71=85 Current State: 65:[13, 17, 85], Operations: ['14+71=85'] Exploring Operation: 13*85=1105, Resulting Numbers: [17, 1105] Generated Node #3: [17, 1105] from Operation: 13*85=1105 Current State: 65:[17, 1105], Operations: ['14+71=85', '13*85=1105'] Exploring Operation: 1105/17=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[13, 14, 71, 17], Operations: [] Exploring Operation: 71-13=58, Resulting Numbers: [14, 17, 58] Generated Node #0,0: 65:[14, 17, 58] Operation: 71-13=58 Exploring Operation: 71-17=54, Resulting Numbers: [13, 14, 54] Generated Node #0,1: 65:[13, 14, 54] Operation: 71-17=54 Exploring Operation: 71-14=57, Resulting Numbers: [13, 17, 57] Generated Node #0,2: 65:[13, 17, 57] Operation: 71-14=57 Exploring Operation: 17-14=3, Resulting Numbers: [13, 71, 3] Generated Node #0,3: 65:[13, 71, 3] Operation: 17-14=3 Exploring Operation: 17-13=4, Resulting Numbers: [14, 71, 4] Generated Node #0,4: 65:[14, 71, 4] Operation: 17-13=4 Moving to Node #0,3 Current State: 65:[13, 71, 3], Operations: ['17-14=3'] Exploring Operation: 13+3=16, Resulting Numbers: [71, 16] Generated Node #0,3,0: 65:[71, 16] Operation: 13+3=16 Exploring Operation: 71-3=68, Resulting Numbers: [13, 68] Generated Node #0,3,1: 65:[13, 68] Operation: 71-3=68 Exploring Operation: 71-13=58, Resulting Numbers: [3, 58] Generated Node #0,3,2: 65:[3, 58] Operation: 71-13=58 Exploring Operation: 71+3=74, Resulting Numbers: [13, 74] Generated Node #0,3,3: 65:[13, 74] Operation: 71+3=74 Exploring Operation: 13-3=10, Resulting Numbers: [71, 10] Generated Node #0,3,4: 65:[71, 10] Operation: 13-3=10 Moving to Node #0,4 Current State: 65:[14, 71, 4], Operations: ['17-13=4'] Exploring Operation: 71+4=75, Resulting Numbers: [14, 75] Generated Node #0,4,0: 65:[14, 75] Operation: 71+4=75 Exploring Operation: 71-4=67, Resulting Numbers: [14, 67] Generated Node #0,4,1: 65:[14, 67] Operation: 71-4=67 Exploring Operation: 71-14=57, Resulting Numbers: [4, 57] Generated Node #0,4,2: 65:[4, 57] Operation: 71-14=57 Exploring Operation: 14+4=18, Resulting Numbers: [71, 18] Generated Node #0,4,3: 65:[71, 18] Operation: 14+4=18 Exploring Operation: 14-4=10, Resulting Numbers: [71, 10] Generated Node #0,4,4: 65:[71, 10] Operation: 14-4=10 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 65:[14, 67], Operations: ['17-13=4', '71-4=67'] Exploring Operation: 14*67=938, Resulting Numbers: [938] 938,65 unequal: No Solution Exploring Operation: 14+67=81, Resulting Numbers: [81] 81,65 unequal: No Solution Exploring Operation: 67-14=53, Resulting Numbers: [53] 53,65 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 #0,4,2 Current State: 65:[4, 57], Operations: ['17-13=4', '71-14=57'] Exploring Operation: 4*57=228, Resulting Numbers: [228] 228,65 unequal: No Solution Exploring Operation: 4+57=61, Resulting Numbers: [61] 61,65 unequal: No Solution Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,65 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 #0,4,4 Current State: 65:[71, 10], Operations: ['17-13=4', '14-4=10'] Exploring Operation: 71*10=710, Resulting Numbers: [710] 710,65 unequal: No Solution Exploring Operation: 71+10=81, Resulting Numbers: [81] 81,65 unequal: No Solution Exploring Operation: 71-10=61, Resulting Numbers: [61] 61,65 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 #0,4,0 Current State: 65:[14, 75], Operations: ['17-13=4', '71+4=75'] Exploring Operation: 14+75=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,65 unequal: No Solution Exploring Operation: 14*75=1050, Resulting Numbers: [1050] 1050,65 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 #0,4,3 Current State: 65:[71, 18], Operations: ['17-13=4', '14+4=18'] Exploring Operation: 71-18=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 71*18=1278, Resulting Numbers: [1278] 1278,65 unequal: No Solution Exploring Operation: 71+18=89, Resulting Numbers: [89] 89,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 65:[14, 17, 58], Operations: ['71-13=58'] Exploring Operation: 17-14=3, Resulting Numbers: [58, 3] Generated Node #0,0,0: 65:[58, 3] Operation: 17-14=3 Exploring Operation: 14+17=31, Resulting Numbers: [58, 31] Generated Node #0,0,1: 65:[58, 31] Operation: 14+17=31 Exploring Operation: 14+58=72, Resulting Numbers: [17, 72] Generated Node #0,0,2: 65:[17, 72] Operation: 14+58=72 Exploring Operation: 17+58=75, Resulting Numbers: [14, 75] Generated Node #0,0,3: 65:[14, 75] Operation: 17+58=75 Exploring Operation: 58-14=44, Resulting Numbers: [17, 44] Generated Node #0,0,4: 65:[17, 44] Operation: 58-14=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[58, 3], Operations: ['71-13=58', '17-14=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,65 unequal: No Solution Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,65 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 65:[17, 72], Operations: ['71-13=58', '14+58=72'] Exploring Operation: 17+72=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,65 unequal: No Solution Exploring Operation: 17*72=1224, Resulting Numbers: [1224] 1224,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 65:[14, 75], Operations: ['71-13=58', '17+58=75'] Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,65 unequal: No Solution Exploring Operation: 14+75=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 14*75=1050, Resulting Numbers: [1050] 1050,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[58, 31], Operations: ['71-13=58', '14+17=31'] Exploring Operation: 58+31=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 58-31=27, Resulting Numbers: [27] 27,65 unequal: No Solution Exploring Operation: 58*31=1798, Resulting Numbers: [1798] 1798,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 65:[17, 44], Operations: ['71-13=58', '58-14=44'] Exploring Operation: 17*44=748, Resulting Numbers: [748] 748,65 unequal: No Solution Exploring Operation: 17+44=61, Resulting Numbers: [61] 61,65 unequal: No Solution Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 65:[13, 14, 54], Operations: ['71-17=54'] Exploring Operation: 14+54=68, Resulting Numbers: [13, 68] Generated Node #0,1,0: 65:[13, 68] Operation: 14+54=68 Exploring Operation: 13+54=67, Resulting Numbers: [14, 67] Generated Node #0,1,1: 65:[14, 67] Operation: 13+54=67 Exploring Operation: 14-13=1, Resulting Numbers: [54, 1] Generated Node #0,1,2: 65:[54, 1] Operation: 14-13=1 Exploring Operation: 54-13=41, Resulting Numbers: [14, 41] Generated Node #0,1,3: 65:[14, 41] Operation: 54-13=41 Exploring Operation: 13+14=27, Resulting Numbers: [54, 27] Generated Node #0,1,4: 65:[54, 27] Operation: 13+14=27 Moving to Node #0,2 Current State: 65:[13, 17, 57], Operations: ['71-14=57'] Exploring Operation: 13+57=70, Resulting Numbers: [17, 70] Generated Node #0,2,0: 65:[17, 70] Operation: 13+57=70 Exploring Operation: 13+17=30, Resulting Numbers: [57, 30] Generated Node #0,2,1: 65:[57, 30] Operation: 13+17=30 Exploring Operation: 57-13=44, Resulting Numbers: [17, 44] Generated Node #0,2,2: 65:[17, 44] Operation: 57-13=44 Exploring Operation: 17+57=74, Resulting Numbers: [13, 74] Generated Node #0,2,3: 65:[13, 74] Operation: 17+57=74 Exploring Operation: 17-13=4, Resulting Numbers: [57, 4] Generated Node #0,2,4: 65:[57, 4] Operation: 17-13=4 Moving to Node #0,3,1 Current State: 65:[13, 68], Operations: ['17-14=3', '71-3=68'] Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,65 unequal: No Solution Exploring Operation: 13+68=81, Resulting Numbers: [81] 81,65 unequal: No Solution Exploring Operation: 13*68=884, Resulting Numbers: [884] 884,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[13, 68], Operations: ['71-17=54', '14+54=68'] Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,65 unequal: No Solution Exploring Operation: 13*68=884, Resulting Numbers: [884] 884,65 unequal: No Solution Exploring Operation: 13+68=81, Resulting Numbers: [81] 81,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[14, 67], Operations: ['71-17=54', '13+54=67'] Exploring Operation: 14*67=938, Resulting Numbers: [938] 938,65 unequal: No Solution Exploring Operation: 67-14=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 14+67=81, Resulting Numbers: [81] 81,65 unequal: No Solution Moving to Node #0,3,2 Current State: 65:[3, 58], Operations: ['17-14=3', '71-13=58'] Exploring Operation: 3*58=174, Resulting Numbers: [174] 174,65 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,65 unequal: No Solution Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,65 unequal: No Solution Moving to Node #0,2,4 Current State: 65:[57, 4], Operations: ['71-14=57', '17-13=4'] Exploring Operation: 57*4=228, Resulting Numbers: [228] 228,65 unequal: No Solution Exploring Operation: 57+4=61, Resulting Numbers: [61] 61,65 unequal: No Solution Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,65 unequal: No Solution Moving to Node #0,2,3 Current State: 65:[13, 74], Operations: ['71-14=57', '17+57=74'] Exploring Operation: 13+74=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 13*74=962, Resulting Numbers: [962] 962,65 unequal: No Solution Exploring Operation: 74-13=61, Resulting Numbers: [61] 61,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[17, 70], Operations: ['71-14=57', '13+57=70'] Exploring Operation: 17*70=1190, Resulting Numbers: [1190] 1190,65 unequal: No Solution Exploring Operation: 17+70=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,65 unequal: No Solution Moving to Node #0,3,0 Current State: 65:[71, 16], Operations: ['17-14=3', '13+3=16'] Exploring Operation: 71-16=55, Resulting Numbers: [55] 55,65 unequal: No Solution Exploring Operation: 71+16=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 71*16=1136, Resulting Numbers: [1136] 1136,65 unequal: No Solution Moving to Node #0,3,4 Current State: 65:[71, 10], Operations: ['17-14=3', '13-3=10'] Exploring Operation: 71+10=81, Resulting Numbers: [81] 81,65 unequal: No Solution Exploring Operation: 71*10=710, Resulting Numbers: [710] 710,65 unequal: No Solution Exploring Operation: 71-10=61, Resulting Numbers: [61] 61,65 unequal: No Solution Moving to Node #0,3,3 Current State: 65:[13, 74], Operations: ['17-14=3', '71+3=74'] Exploring Operation: 13*74=962, Resulting Numbers: [962] 962,65 unequal: No Solution Exploring Operation: 74-13=61, Resulting Numbers: [61] 61,65 unequal: No Solution Exploring Operation: 13+74=87, Resulting Numbers: [87] 87,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[54, 1], Operations: ['71-17=54', '14-13=1'] Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,65 unequal: No Solution Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,65 unequal: No Solution Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,65 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[57, 30], Operations: ['71-14=57', '13+17=30'] Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,65 unequal: No Solution Exploring Operation: 57*30=1710, Resulting Numbers: [1710] 1710,65 unequal: No Solution Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[17, 44], Operations: ['71-14=57', '57-13=44'] Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,65 unequal: No Solution Exploring Operation: 17*44=748, Resulting Numbers: [748] 748,65 unequal: No Solution Exploring Operation: 17+44=61, Resulting Numbers: [61] 61,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[14, 41], Operations: ['71-17=54', '54-13=41'] Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,65 unequal: No Solution Exploring Operation: 14+41=55, Resulting Numbers: [55] 55,65 unequal: No Solution Exploring Operation: 14*41=574, Resulting Numbers: [574] 574,65 unequal: No Solution Moving to Node #0,1,4 Current State: 65:[54, 27], Operations: ['71-17=54', '13+14=27'] Exploring Operation: 54/27=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 54*27=1458, Resulting Numbers: [1458] 1458,65 unequal: No Solution Exploring Operation: 54-27=27, Resulting Numbers: [27] 27,65 unequal: No Solution Exploring Operation: 54+27=81, Resulting Numbers: [81] 81,65 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 54, 54, 62, 99 ]
62
[ "54-54=0", "99*0=0", "62+0=62" ]
Current State: 62:[54, 54, 62, 99], Operations: [] Exploring Operation: 54-54=0, Resulting Numbers: [62, 99, 0] Generated Node #2: [62, 99, 0] from Operation: 54-54=0 Current State: 62:[62, 99, 0], Operations: ['54-54=0'] Exploring Operation: 99*0=0, Resulting Numbers: [62, 0] Generated Node #3: [62, 0] from Operation: 99*0=0 Current State: 62:[62, 0], Operations: ['54-54=0', '99*0=0'] Exploring Operation: 62+0=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[54, 54, 62, 99], Operations: [] Exploring Operation: 99-62=37, Resulting Numbers: [54, 54, 37] Generated Node #0,0: 62:[54, 54, 37] Operation: 99-62=37 Exploring Operation: 99-54=45, Resulting Numbers: [54, 62, 45] Generated Node #0,1: 62:[54, 62, 45] Operation: 99-54=45 Exploring Operation: 54/54=1, Resulting Numbers: [62, 99, 1] Generated Node #0,2: 62:[62, 99, 1] Operation: 54/54=1 Exploring Operation: 99-54=45, Resulting Numbers: [54, 62, 45] Generated Node #0,3: 62:[54, 62, 45] Operation: 99-54=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[54, 54, 37], Operations: ['99-62=37'] Exploring Operation: 54/54=1, Resulting Numbers: [37, 1] Generated Node #0,0,0: 62:[37, 1] Operation: 54/54=1 Exploring Operation: 54-54=0, Resulting Numbers: [37, 0] Generated Node #0,0,1: 62:[37, 0] Operation: 54-54=0 Exploring Operation: 54-37=17, Resulting Numbers: [54, 17] Generated Node #0,0,2: 62:[54, 17] Operation: 54-37=17 Exploring Operation: 54-37=17, Resulting Numbers: [54, 17] Generated Node #0,0,3: 62:[54, 17] Operation: 54-37=17 Moving to Node #0,0,0 Current State: 62:[37, 1], Operations: ['99-62=37', '54/54=1'] Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,62 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 37*1=37, Resulting Numbers: [37] 37,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[37, 0], Operations: ['99-62=37', '54-54=0'] Exploring Operation: 37+0=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 37*0=0, Resulting Numbers: [0] 0,62 unequal: No Solution Exploring Operation: 37-0=37, Resulting Numbers: [37] 37,62 unequal: No Solution Moving to Node #0,0,3 Current State: 62:[54, 17], Operations: ['99-62=37', '54-37=17'] Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,62 unequal: No Solution Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,62 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[54, 17], Operations: ['99-62=37', '54-37=17'] Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,62 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[54, 62, 45], Operations: ['99-54=45'] Exploring Operation: 62-45=17, Resulting Numbers: [54, 17] Generated Node #0,1,0: 62:[54, 17] Operation: 62-45=17 Exploring Operation: 54+45=99, Resulting Numbers: [62, 99] Generated Node #0,1,1: 62:[62, 99] Operation: 54+45=99 Exploring Operation: 54-45=9, Resulting Numbers: [62, 9] Generated Node #0,1,2: 62:[62, 9] Operation: 54-45=9 Exploring Operation: 62-54=8, Resulting Numbers: [45, 8] Generated Node #0,1,3: 62:[45, 8] Operation: 62-54=8 Moving to Node #0,1,2 Current State: 62:[62, 9], Operations: ['99-54=45', '54-45=9'] Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,62 unequal: No Solution Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,62 unequal: No Solution Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,62 unequal: No Solution Moving to Node #0,1,3 Current State: 62:[45, 8], Operations: ['99-54=45', '62-54=8'] Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 45*8=360, Resulting Numbers: [360] 360,62 unequal: No Solution Exploring Operation: 45+8=53, Resulting Numbers: [53] 53,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[54, 17], Operations: ['99-54=45', '62-45=17'] Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,62 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[62, 99], Operations: ['99-54=45', '54+45=99'] Exploring Operation: 99-62=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 62+99=161, Resulting Numbers: [161] 161,62 unequal: No Solution Exploring Operation: 62*99=6138, Resulting Numbers: [6138] 6138,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 62:[54, 62, 45], Operations: ['99-54=45'] Exploring Operation: 54-45=9, Resulting Numbers: [62, 9] Generated Node #0,3,0: 62:[62, 9] Operation: 54-45=9 Exploring Operation: 54+45=99, Resulting Numbers: [62, 99] Generated Node #0,3,1: 62:[62, 99] Operation: 54+45=99 Exploring Operation: 62-45=17, Resulting Numbers: [54, 17] Generated Node #0,3,2: 62:[54, 17] Operation: 62-45=17 Exploring Operation: 62-54=8, Resulting Numbers: [45, 8] Generated Node #0,3,3: 62:[45, 8] Operation: 62-54=8 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 62:[62, 9], Operations: ['99-54=45', '54-45=9'] Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,62 unequal: No Solution Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,62 unequal: No Solution Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 62:[45, 8], Operations: ['99-54=45', '62-54=8'] Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 45+8=53, Resulting Numbers: [53] 53,62 unequal: No Solution Exploring Operation: 45*8=360, Resulting Numbers: [360] 360,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 62:[54, 17], Operations: ['99-54=45', '62-45=17'] Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,62 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 62:[62, 99], Operations: ['99-54=45', '54+45=99'] Exploring Operation: 62*99=6138, Resulting Numbers: [6138] 6138,62 unequal: No Solution Exploring Operation: 99-62=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 62+99=161, Resulting Numbers: [161] 161,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[62, 99, 1], Operations: ['54/54=1'] Exploring Operation: 62/1=62, Resulting Numbers: [99, 62] Generated Node #0,2,0: 62:[99, 62] Operation: 62/1=62 Exploring Operation: 99-1=98, Resulting Numbers: [62, 98] Generated Node #0,2,1: 62:[62, 98] Operation: 99-1=98 Exploring Operation: 62*1=62, Resulting Numbers: [99, 62] Generated Node #0,2,2: 62:[99, 62] Operation: 62*1=62 Exploring Operation: 99-62=37, Resulting Numbers: [1, 37] Generated Node #0,2,3: 62:[1, 37] Operation: 99-62=37 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 62:[1, 37], Operations: ['54/54=1', '99-62=37'] Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,62 unequal: No Solution Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 62:[62, 98], Operations: ['54/54=1', '99-1=98'] Exploring Operation: 62*98=6076, Resulting Numbers: [6076] 6076,62 unequal: No Solution Exploring Operation: 98-62=36, Resulting Numbers: [36] 36,62 unequal: No Solution Exploring Operation: 62+98=160, Resulting Numbers: [160] 160,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 62:[99, 62], Operations: ['54/54=1', '62/1=62'] Exploring Operation: 99-62=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 99*62=6138, Resulting Numbers: [6138] 6138,62 unequal: No Solution Exploring Operation: 99+62=161, Resulting Numbers: [161] 161,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 62:[99, 62], Operations: ['54/54=1', '62*1=62'] Exploring Operation: 99-62=37, Resulting Numbers: [37] 37,62 unequal: No Solution Exploring Operation: 99+62=161, Resulting Numbers: [161] 161,62 unequal: No Solution Exploring Operation: 99*62=6138, Resulting Numbers: [6138] 6138,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 72, 7, 56, 53 ]
68
[ "72-7=65", "56-53=3", "65+3=68" ]
Current State: 68:[72, 7, 56, 53], Operations: [] Exploring Operation: 72-7=65, Resulting Numbers: [56, 53, 65] Generated Node #2: [56, 53, 65] from Operation: 72-7=65 Current State: 68:[56, 53, 65], Operations: ['72-7=65'] Exploring Operation: 56-53=3, Resulting Numbers: [65, 3] Generated Node #3: [65, 3] from Operation: 56-53=3 Current State: 68:[65, 3], Operations: ['72-7=65', '56-53=3'] Exploring Operation: 65+3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[72, 7, 56, 53], Operations: [] Exploring Operation: 72-53=19, Resulting Numbers: [7, 56, 19] Generated Node #0,0: 68:[7, 56, 19] Operation: 72-53=19 Exploring Operation: 56-53=3, Resulting Numbers: [72, 7, 3] Generated Node #0,1: 68:[72, 7, 3] Operation: 56-53=3 Moving to Node #0,1 Current State: 68:[72, 7, 3], Operations: ['56-53=3'] Exploring Operation: 72-3=69, Resulting Numbers: [7, 69] Generated Node #0,1,0: 68:[7, 69] Operation: 72-3=69 Exploring Operation: 72-7=65, Resulting Numbers: [3, 65] Generated Node #0,1,1: 68:[3, 65] Operation: 72-7=65 Moving to Node #0,0 Current State: 68:[7, 56, 19], Operations: ['72-53=19'] Exploring Operation: 56-19=37, Resulting Numbers: [7, 37] Generated Node #0,0,0: 68:[7, 37] Operation: 56-19=37 Exploring Operation: 56/7=8, Resulting Numbers: [19, 8] Generated Node #0,0,1: 68:[19, 8] Operation: 56/7=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[7, 37], Operations: ['72-53=19', '56-19=37'] Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,68 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,68 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 #0,0,1 Current State: 68:[19, 8], Operations: ['72-53=19', '56/7=8'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,68 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:[7, 69], Operations: ['56-53=3', '72-3=69'] Exploring Operation: 7+69=76, Resulting Numbers: [76] 76,68 unequal: No Solution Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[3, 65], Operations: ['56-53=3', '72-7=65'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,68 unequal: No Solution Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[72, 7, 56, 53], Operations: [] Exploring Operation: 56-53=3, Resulting Numbers: [72, 7, 3] Generated Node #0,1: 68:[72, 7, 3] Operation: 56-53=3 Moving to Node #0,1 Current State: 68:[72, 7, 3], Operations: ['56-53=3'] Exploring Operation: 72-7=65, Resulting Numbers: [3, 65] Generated Node #0,1,1: 68:[3, 65] Operation: 72-7=65 Moving to Node #0,1,1 Current State: 68:[3, 65], Operations: ['56-53=3', '72-7=65'] Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.984375
hs_2
mult_heuristic
[ 57, 77, 86, 74 ]
87
[ "86-57=29", "77-74=3", "29*3=87" ]
Current State: 87:[57, 77, 86, 74], Operations: [] Exploring Operation: 86-57=29, Resulting Numbers: [77, 74, 29] Generated Node #2: [77, 74, 29] from Operation: 86-57=29 Current State: 87:[77, 74, 29], Operations: ['86-57=29'] Exploring Operation: 77-74=3, Resulting Numbers: [29, 3] Generated Node #3: [29, 3] from Operation: 77-74=3 Current State: 87:[29, 3], Operations: ['86-57=29', '77-74=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[57, 77, 86, 74], Operations: [] Exploring Operation: 86-57=29, Resulting Numbers: [77, 74, 29] Generated Node #0,0: 87:[77, 74, 29] Operation: 86-57=29 Exploring Operation: 77-57=20, Resulting Numbers: [86, 74, 20] Generated Node #0,1: 87:[86, 74, 20] Operation: 77-57=20 Moving to Node #0,0 Current State: 87:[77, 74, 29], Operations: ['86-57=29'] Exploring Operation: 77-74=3, Resulting Numbers: [29, 3] Generated Node #0,0,0: 87:[29, 3] Operation: 77-74=3 Exploring Operation: 74+29=103, Resulting Numbers: [77, 103] Generated Node #0,0,1: 87:[77, 103] Operation: 74+29=103 Moving to Node #0,1 Current State: 87:[86, 74, 20], Operations: ['77-57=20'] Exploring Operation: 74+20=94, Resulting Numbers: [86, 94] Generated Node #0,1,0: 87:[86, 94] Operation: 74+20=94 Exploring Operation: 86-74=12, Resulting Numbers: [20, 12] Generated Node #0,1,1: 87:[20, 12] Operation: 86-74=12 Moving to Node #0,0,0 Current State: 87:[29, 3], Operations: ['86-57=29', '77-74=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[57, 77, 86, 74], Operations: [] Exploring Operation: 86-57=29, Resulting Numbers: [77, 74, 29] Generated Node #0,0: 87:[77, 74, 29] Operation: 86-57=29 Moving to Node #0,0 Current State: 87:[77, 74, 29], Operations: ['86-57=29'] Exploring Operation: 77-74=3, Resulting Numbers: [29, 3] Generated Node #0,0,0: 87:[29, 3] Operation: 77-74=3 Moving to Node #0,0,0 Current State: 87:[29, 3], Operations: ['86-57=29', '77-74=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 16, 40, 38, 42 ]
92
[ "42-40=2", "38*2=76", "16+76=92" ]
Current State: 92:[16, 40, 38, 42], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [16, 38, 2] Generated Node #2: [16, 38, 2] from Operation: 42-40=2 Current State: 92:[16, 38, 2], Operations: ['42-40=2'] Exploring Operation: 38*2=76, Resulting Numbers: [16, 76] Generated Node #3: [16, 76] from Operation: 38*2=76 Current State: 92:[16, 76], Operations: ['42-40=2', '38*2=76'] Exploring Operation: 16+76=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[16, 40, 38, 42], Operations: [] Exploring Operation: 38-16=22, Resulting Numbers: [40, 42, 22] Generated Node #0,0: 92:[40, 42, 22] Operation: 38-16=22 Moving to Node #0,0 Current State: 92:[40, 42, 22], Operations: ['38-16=22'] Exploring Operation: 42-40=2, Resulting Numbers: [22, 2] Generated Node #0,0,0: 92:[22, 2] Operation: 42-40=2 Moving to Node #0,0,0 Current State: 92:[22, 2], Operations: ['38-16=22', '42-40=2'] Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,92 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 93, 63, 96, 7 ]
84
[ "96-93=3", "7*3=21", "63+21=84" ]
Current State: 84:[93, 63, 96, 7], Operations: [] Exploring Operation: 96-93=3, Resulting Numbers: [63, 7, 3] Generated Node #2: [63, 7, 3] from Operation: 96-93=3 Current State: 84:[63, 7, 3], Operations: ['96-93=3'] Exploring Operation: 7*3=21, Resulting Numbers: [63, 21] Generated Node #3: [63, 21] from Operation: 7*3=21 Current State: 84:[63, 21], Operations: ['96-93=3', '7*3=21'] Exploring Operation: 63+21=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[93, 63, 96, 7], Operations: [] Exploring Operation: 93-63=30, Resulting Numbers: [96, 7, 30] Generated Node #0,0: 84:[96, 7, 30] Operation: 93-63=30 Exploring Operation: 93-7=86, Resulting Numbers: [63, 96, 86] Generated Node #0,1: 84:[63, 96, 86] Operation: 93-7=86 Exploring Operation: 96-93=3, Resulting Numbers: [63, 7, 3] Generated Node #0,2: 84:[63, 7, 3] Operation: 96-93=3 Exploring Operation: 96-63=33, Resulting Numbers: [93, 7, 33] Generated Node #0,3: 84:[93, 7, 33] Operation: 96-63=33 Exploring Operation: 63/7=9, Resulting Numbers: [93, 96, 9] Generated Node #0,4: 84:[93, 96, 9] Operation: 63/7=9 Moving to Node #0,0 Current State: 84:[96, 7, 30], Operations: ['93-63=30'] Exploring Operation: 96-7=89, Resulting Numbers: [30, 89] Generated Node #0,0,0: 84:[30, 89] Operation: 96-7=89 Exploring Operation: 7+30=37, Resulting Numbers: [96, 37] Generated Node #0,0,1: 84:[96, 37] Operation: 7+30=37 Exploring Operation: 96-30=66, Resulting Numbers: [7, 66] Generated Node #0,0,2: 84:[7, 66] Operation: 96-30=66 Exploring Operation: 30-7=23, Resulting Numbers: [96, 23] Generated Node #0,0,3: 84:[96, 23] Operation: 30-7=23 Exploring Operation: 96+7=103, Resulting Numbers: [30, 103] Generated Node #0,0,4: 84:[30, 103] Operation: 96+7=103 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[30, 89], Operations: ['93-63=30', '96-7=89'] Exploring Operation: 30*89=2670, Resulting Numbers: [2670] 2670,84 unequal: No Solution Exploring Operation: 30+89=119, Resulting Numbers: [119] 119,84 unequal: No Solution Exploring Operation: 89-30=59, Resulting Numbers: [59] 59,84 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 #0,0,3 Current State: 84:[96, 23], Operations: ['93-63=30', '30-7=23'] Exploring Operation: 96*23=2208, Resulting Numbers: [2208] 2208,84 unequal: No Solution Exploring Operation: 96-23=73, Resulting Numbers: [73] 73,84 unequal: No Solution Exploring Operation: 96+23=119, Resulting Numbers: [119] 119,84 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 #0,0,1 Current State: 84:[96, 37], Operations: ['93-63=30', '7+30=37'] Exploring Operation: 96*37=3552, Resulting Numbers: [3552] 3552,84 unequal: No Solution Exploring Operation: 96+37=133, Resulting Numbers: [133] 133,84 unequal: No Solution Exploring Operation: 96-37=59, Resulting Numbers: [59] 59,84 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 #0,0,2 Current State: 84:[7, 66], Operations: ['93-63=30', '96-30=66'] Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,84 unequal: No Solution Exploring Operation: 7*66=462, Resulting Numbers: [462] 462,84 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,84 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 #0,0,4 Current State: 84:[30, 103], Operations: ['93-63=30', '96+7=103'] Exploring Operation: 30*103=3090, Resulting Numbers: [3090] 3090,84 unequal: No Solution Exploring Operation: 103-30=73, Resulting Numbers: [73] 73,84 unequal: No Solution Exploring Operation: 30+103=133, Resulting Numbers: [133] 133,84 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: 84:[93, 7, 33], Operations: ['96-63=33'] Exploring Operation: 93+7=100, Resulting Numbers: [33, 100] Generated Node #0,3,0: 84:[33, 100] Operation: 93+7=100 Exploring Operation: 93-33=60, Resulting Numbers: [7, 60] Generated Node #0,3,1: 84:[7, 60] Operation: 93-33=60 Exploring Operation: 33-7=26, Resulting Numbers: [93, 26] Generated Node #0,3,2: 84:[93, 26] Operation: 33-7=26 Exploring Operation: 93-7=86, Resulting Numbers: [33, 86] Generated Node #0,3,3: 84:[33, 86] Operation: 93-7=86 Exploring Operation: 7+33=40, Resulting Numbers: [93, 40] Generated Node #0,3,4: 84:[93, 40] Operation: 7+33=40 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 84:[33, 86], Operations: ['96-63=33', '93-7=86'] Exploring Operation: 33*86=2838, Resulting Numbers: [2838] 2838,84 unequal: No Solution Exploring Operation: 33+86=119, Resulting Numbers: [119] 119,84 unequal: No Solution Exploring Operation: 86-33=53, Resulting Numbers: [53] 53,84 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 #0,3,2 Current State: 84:[93, 26], Operations: ['96-63=33', '33-7=26'] Exploring Operation: 93-26=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 93+26=119, Resulting Numbers: [119] 119,84 unequal: No Solution Exploring Operation: 93*26=2418, Resulting Numbers: [2418] 2418,84 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 #0,3,4 Current State: 84:[93, 40], Operations: ['96-63=33', '7+33=40'] Exploring Operation: 93+40=133, Resulting Numbers: [133] 133,84 unequal: No Solution Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 93*40=3720, Resulting Numbers: [3720] 3720,84 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 #0,3,1 Current State: 84:[7, 60], Operations: ['96-63=33', '93-33=60'] Exploring Operation: 7*60=420, Resulting Numbers: [420] 420,84 unequal: No Solution Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 7+60=67, Resulting Numbers: [67] 67,84 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 #0,3,0 Current State: 84:[33, 100], Operations: ['96-63=33', '93+7=100'] Exploring Operation: 100-33=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 33*100=3300, Resulting Numbers: [3300] 3300,84 unequal: No Solution Exploring Operation: 33+100=133, Resulting Numbers: [133] 133,84 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: 84:[63, 7, 3], Operations: ['96-93=3'] Exploring Operation: 63+7=70, Resulting Numbers: [3, 70] Generated Node #0,2,0: 84:[3, 70] Operation: 63+7=70 Exploring Operation: 63/7=9, Resulting Numbers: [3, 9] Generated Node #0,2,1: 84:[3, 9] Operation: 63/7=9 Exploring Operation: 63+3=66, Resulting Numbers: [7, 66] Generated Node #0,2,2: 84:[7, 66] Operation: 63+3=66 Exploring Operation: 63/3=21, Resulting Numbers: [7, 21] Generated Node #0,2,3: 84:[7, 21] Operation: 63/3=21 Exploring Operation: 63-7=56, Resulting Numbers: [3, 56] Generated Node #0,2,4: 84:[3, 56] Operation: 63-7=56 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 84:[7, 21], Operations: ['96-93=3', '63/3=21'] Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,84 unequal: No Solution Exploring Operation: 7*21=147, Resulting Numbers: [147] 147,84 unequal: No Solution Exploring Operation: 7+21=28, Resulting Numbers: [28] 28,84 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,84 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 #0,2,1 Current State: 84:[3, 9], Operations: ['96-93=3', '63/7=9'] Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,84 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,84 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 #0,2,0 Current State: 84:[3, 70], Operations: ['96-93=3', '63+7=70'] Exploring Operation: 3+70=73, Resulting Numbers: [73] 73,84 unequal: No Solution Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 3*70=210, Resulting Numbers: [210] 210,84 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 #0,2,4 Current State: 84:[3, 56], Operations: ['96-93=3', '63-7=56'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,84 unequal: No Solution Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,84 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 #0,2,2 Current State: 84:[7, 66], Operations: ['96-93=3', '63+3=66'] Exploring Operation: 7*66=462, Resulting Numbers: [462] 462,84 unequal: No Solution Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,84 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,84 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: 84:[93, 96, 9], Operations: ['63/7=9'] Exploring Operation: 96-93=3, Resulting Numbers: [9, 3] Generated Node #0,4,0: 84:[9, 3] Operation: 96-93=3 Exploring Operation: 96-9=87, Resulting Numbers: [93, 87] Generated Node #0,4,1: 84:[93, 87] Operation: 96-9=87 Exploring Operation: 96+9=105, Resulting Numbers: [93, 105] Generated Node #0,4,2: 84:[93, 105] Operation: 96+9=105 Exploring Operation: 93+9=102, Resulting Numbers: [96, 102] Generated Node #0,4,3: 84:[96, 102] Operation: 93+9=102 Exploring Operation: 93-9=84, Resulting Numbers: [96, 84] Generated Node #0,4,4: 84:[96, 84] Operation: 93-9=84 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 84:[9, 3], Operations: ['63/7=9', '96-93=3'] Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,84 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,84 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,84 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 #0,4,1 Current State: 84:[93, 87], Operations: ['63/7=9', '96-9=87'] Exploring Operation: 93*87=8091, Resulting Numbers: [8091] 8091,84 unequal: No Solution Exploring Operation: 93+87=180, Resulting Numbers: [180] 180,84 unequal: No Solution Exploring Operation: 93-87=6, Resulting Numbers: [6] 6,84 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 #0,4,4 Current State: 84:[96, 84], Operations: ['63/7=9', '93-9=84'] Exploring Operation: 96-84=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 96*84=8064, Resulting Numbers: [8064] 8064,84 unequal: No Solution Exploring Operation: 96+84=180, Resulting Numbers: [180] 180,84 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 #0,4,2 Current State: 84:[93, 105], Operations: ['63/7=9', '96+9=105'] Exploring Operation: 93+105=198, Resulting Numbers: [198] 198,84 unequal: No Solution Exploring Operation: 105-93=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 93*105=9765, Resulting Numbers: [9765] 9765,84 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 #0,4,3 Current State: 84:[96, 102], Operations: ['63/7=9', '93+9=102'] Exploring Operation: 96+102=198, Resulting Numbers: [198] 198,84 unequal: No Solution Exploring Operation: 102-96=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 96*102=9792, Resulting Numbers: [9792] 9792,84 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: 84:[63, 96, 86], Operations: ['93-7=86'] Exploring Operation: 63+86=149, Resulting Numbers: [96, 149] Generated Node #0,1,0: 84:[96, 149] Operation: 63+86=149 Exploring Operation: 96-63=33, Resulting Numbers: [86, 33] Generated Node #0,1,1: 84:[86, 33] Operation: 96-63=33 Exploring Operation: 96-86=10, Resulting Numbers: [63, 10] Generated Node #0,1,2: 84:[63, 10] Operation: 96-86=10 Exploring Operation: 86-63=23, Resulting Numbers: [96, 23] Generated Node #0,1,3: 84:[96, 23] Operation: 86-63=23 Exploring Operation: 63+96=159, Resulting Numbers: [86, 159] Generated Node #0,1,4: 84:[86, 159] Operation: 63+96=159 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[86, 33], Operations: ['93-7=86', '96-63=33'] Exploring Operation: 86+33=119, Resulting Numbers: [119] 119,84 unequal: No Solution Exploring Operation: 86-33=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 86*33=2838, Resulting Numbers: [2838] 2838,84 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 #0,1,3 Current State: 84:[96, 23], Operations: ['93-7=86', '86-63=23'] Exploring Operation: 96*23=2208, Resulting Numbers: [2208] 2208,84 unequal: No Solution Exploring Operation: 96-23=73, Resulting Numbers: [73] 73,84 unequal: No Solution Exploring Operation: 96+23=119, Resulting Numbers: [119] 119,84 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 #0,1,2 Current State: 84:[63, 10], Operations: ['93-7=86', '96-86=10'] Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 63*10=630, Resulting Numbers: [630] 630,84 unequal: No Solution Exploring Operation: 63+10=73, Resulting Numbers: [73] 73,84 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 #0,1,0 Current State: 84:[96, 149], Operations: ['93-7=86', '63+86=149'] Exploring Operation: 149-96=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 96*149=14304, Resulting Numbers: [14304] 14304,84 unequal: No Solution Exploring Operation: 96+149=245, Resulting Numbers: [245] 245,84 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 #0,1,4 Current State: 84:[86, 159], Operations: ['93-7=86', '63+96=159'] Exploring Operation: 86*159=13674, Resulting Numbers: [13674] 13674,84 unequal: No Solution Exploring Operation: 159-86=73, Resulting Numbers: [73] 73,84 unequal: No Solution Exploring Operation: 86+159=245, Resulting Numbers: [245] 245,84 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
[ 97, 45, 33, 38 ]
88
[ "38-33=5", "45/5=9", "97-9=88" ]
Current State: 88:[97, 45, 33, 38], Operations: [] Exploring Operation: 38-33=5, Resulting Numbers: [97, 45, 5] Generated Node #2: [97, 45, 5] from Operation: 38-33=5 Current State: 88:[97, 45, 5], Operations: ['38-33=5'] Exploring Operation: 45/5=9, Resulting Numbers: [97, 9] Generated Node #3: [97, 9] from Operation: 45/5=9 Current State: 88:[97, 9], Operations: ['38-33=5', '45/5=9'] Exploring Operation: 97-9=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[97, 45, 33, 38], Operations: [] Exploring Operation: 45-33=12, Resulting Numbers: [97, 38, 12] Generated Node #0,0: 88:[97, 38, 12] Operation: 45-33=12 Exploring Operation: 38-33=5, Resulting Numbers: [97, 45, 5] Generated Node #0,1: 88:[97, 45, 5] Operation: 38-33=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[97, 45, 5], Operations: ['38-33=5'] Exploring Operation: 97-5=92, Resulting Numbers: [45, 92] Generated Node #0,1,0: 88:[45, 92] Operation: 97-5=92 Exploring Operation: 97-45=52, Resulting Numbers: [5, 52] Generated Node #0,1,1: 88:[5, 52] Operation: 97-45=52 Moving to Node #0,1,0 Current State: 88:[45, 92], Operations: ['38-33=5', '97-5=92'] Exploring Operation: 92-45=47, Resulting Numbers: [47] 47,88 unequal: No Solution Exploring Operation: 45+92=137, Resulting Numbers: [137] 137,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[5, 52], Operations: ['38-33=5', '97-45=52'] Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,88 unequal: No Solution Exploring Operation: 5+52=57, Resulting Numbers: [57] 57,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[97, 38, 12], Operations: ['45-33=12'] Exploring Operation: 38-12=26, Resulting Numbers: [97, 26] Generated Node #0,0,0: 88:[97, 26] Operation: 38-12=26 Exploring Operation: 97-12=85, Resulting Numbers: [38, 85] Generated Node #0,0,1: 88:[38, 85] Operation: 97-12=85 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 88:[38, 85], Operations: ['45-33=12', '97-12=85'] Exploring Operation: 85-38=47, Resulting Numbers: [47] 47,88 unequal: No Solution Exploring Operation: 38+85=123, Resulting Numbers: [123] 123,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[97, 26], Operations: ['45-33=12', '38-12=26'] Exploring Operation: 97+26=123, Resulting Numbers: [123] 123,88 unequal: No Solution Exploring Operation: 97-26=71, Resulting Numbers: [71] 71,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 48, 7, 3, 2 ]
13
[ "48-7=41", "41-2=39", "39/3=13" ]
Current State: 13:[48, 7, 3, 2], Operations: [] Exploring Operation: 48-7=41, Resulting Numbers: [3, 2, 41] Generated Node #2: [3, 2, 41] from Operation: 48-7=41 Current State: 13:[3, 2, 41], Operations: ['48-7=41'] Exploring Operation: 41-2=39, Resulting Numbers: [3, 39] Generated Node #3: [3, 39] from Operation: 41-2=39 Current State: 13:[3, 39], Operations: ['48-7=41', '41-2=39'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[48, 7, 3, 2], Operations: [] Exploring Operation: 48/3=16, Resulting Numbers: [7, 2, 16] Generated Node #0,0: 13:[7, 2, 16] Operation: 48/3=16 Exploring Operation: 48/2=24, Resulting Numbers: [7, 3, 24] Generated Node #0,1: 13:[7, 3, 24] Operation: 48/2=24 Exploring Operation: 7*2=14, Resulting Numbers: [48, 3, 14] Generated Node #0,2: 13:[48, 3, 14] Operation: 7*2=14 Moving to Node #0,0 Current State: 13:[7, 2, 16], Operations: ['48/3=16'] Exploring Operation: 7+2=9, Resulting Numbers: [16, 9] Generated Node #0,0,0: 13:[16, 9] Operation: 7+2=9 Exploring Operation: 7*2=14, Resulting Numbers: [16, 14] Generated Node #0,0,1: 13:[16, 14] Operation: 7*2=14 Exploring Operation: 16-2=14, Resulting Numbers: [7, 14] Generated Node #0,0,2: 13:[7, 14] Operation: 16-2=14 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 13:[16, 14], Operations: ['48/3=16', '7*2=14'] Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 16*14=224, Resulting Numbers: [224] 224,13 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[16, 9], Operations: ['48/3=16', '7+2=9'] Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,13 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[7, 14], Operations: ['48/3=16', '16-2=14'] Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,13 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,13 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: 13:[7, 3, 24], Operations: ['48/2=24'] Exploring Operation: 24/3=8, Resulting Numbers: [7, 8] Generated Node #0,1,0: 13:[7, 8] Operation: 24/3=8 Exploring Operation: 24-7=17, Resulting Numbers: [3, 17] Generated Node #0,1,1: 13:[3, 17] Operation: 24-7=17 Exploring Operation: 7+3=10, Resulting Numbers: [24, 10] Generated Node #0,1,2: 13:[24, 10] Operation: 7+3=10 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[7, 8], Operations: ['48/2=24', '24/3=8'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[3, 17], Operations: ['48/2=24', '24-7=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,13 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[24, 10], Operations: ['48/2=24', '7+3=10'] Exploring Operation: 24*10=240, Resulting Numbers: [240] 240,13 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,13 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: 13:[48, 3, 14], Operations: ['7*2=14'] Exploring Operation: 48/3=16, Resulting Numbers: [14, 16] Generated Node #0,2,0: 13:[14, 16] Operation: 48/3=16 Exploring Operation: 48-3=45, Resulting Numbers: [14, 45] Generated Node #0,2,1: 13:[14, 45] Operation: 48-3=45 Exploring Operation: 48-14=34, Resulting Numbers: [3, 34] Generated Node #0,2,2: 13:[3, 34] Operation: 48-14=34 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[14, 16], Operations: ['7*2=14', '48/3=16'] Exploring Operation: 14*16=224, Resulting Numbers: [224] 224,13 unequal: No Solution Exploring Operation: 14+16=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[3, 34], Operations: ['7*2=14', '48-14=34'] Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,13 unequal: No Solution Exploring Operation: 3*34=102, Resulting Numbers: [102] 102,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[14, 45], Operations: ['7*2=14', '48-3=45'] Exploring Operation: 14*45=630, Resulting Numbers: [630] 630,13 unequal: No Solution Exploring Operation: 14+45=59, Resulting Numbers: [59] 59,13 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,13 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
[ 29, 83, 69, 36 ]
98
[ "36-29=7", "83-69=14", "7*14=98" ]
Current State: 98:[29, 83, 69, 36], Operations: [] Exploring Operation: 36-29=7, Resulting Numbers: [83, 69, 7] Generated Node #2: [83, 69, 7] from Operation: 36-29=7 Current State: 98:[83, 69, 7], Operations: ['36-29=7'] Exploring Operation: 83-69=14, Resulting Numbers: [7, 14] Generated Node #3: [7, 14] from Operation: 83-69=14 Current State: 98:[7, 14], Operations: ['36-29=7', '83-69=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[29, 83, 69, 36], Operations: [] Exploring Operation: 29+69=98, Resulting Numbers: [83, 36, 98] Generated Node #0,0: 98:[83, 36, 98] Operation: 29+69=98 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[83, 36, 98], Operations: ['29+69=98'] Exploring Operation: 83-36=47, Resulting Numbers: [98, 47] Generated Node #0,0,0: 98:[98, 47] Operation: 83-36=47 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[98, 47], Operations: ['29+69=98', '83-36=47'] Exploring Operation: 98-47=51, Resulting Numbers: [51] 51,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 2, 71, 67, 48 ]
45
[ "71+67=138", "138-48=90", "90/2=45" ]
Current State: 45:[2, 71, 67, 48], Operations: [] Exploring Operation: 71+67=138, Resulting Numbers: [2, 48, 138] Generated Node #2: [2, 48, 138] from Operation: 71+67=138 Current State: 45:[2, 48, 138], Operations: ['71+67=138'] Exploring Operation: 138-48=90, Resulting Numbers: [2, 90] Generated Node #3: [2, 90] from Operation: 138-48=90 Current State: 45:[2, 90], Operations: ['71+67=138', '138-48=90'] Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[2, 71, 67, 48], Operations: [] Exploring Operation: 71-67=4, Resulting Numbers: [2, 48, 4] Generated Node #0,0: 45:[2, 48, 4] Operation: 71-67=4 Moving to Node #0,0 Current State: 45:[2, 48, 4], Operations: ['71-67=4'] Exploring Operation: 48-2=46, Resulting Numbers: [4, 46] Generated Node #0,0,0: 45:[4, 46] Operation: 48-2=46 Moving to Node #0,0,0 Current State: 45:[4, 46], Operations: ['71-67=4', '48-2=46'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,45 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 2, 9, 28, 89 ]
79
[ "2*9=18", "89-28=61", "18+61=79" ]
Current State: 79:[2, 9, 28, 89], Operations: [] Exploring Operation: 2*9=18, Resulting Numbers: [28, 89, 18] Generated Node #2: [28, 89, 18] from Operation: 2*9=18 Current State: 79:[28, 89, 18], Operations: ['2*9=18'] Exploring Operation: 89-28=61, Resulting Numbers: [18, 61] Generated Node #3: [18, 61] from Operation: 89-28=61 Current State: 79:[18, 61], Operations: ['2*9=18', '89-28=61'] Exploring Operation: 18+61=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[2, 9, 28, 89], Operations: [] Exploring Operation: 2*28=56, Resulting Numbers: [9, 89, 56] Generated Node #0,0: 79:[9, 89, 56] Operation: 2*28=56 Exploring Operation: 2+9=11, Resulting Numbers: [28, 89, 11] Generated Node #0,1: 79:[28, 89, 11] Operation: 2+9=11 Exploring Operation: 2*9=18, Resulting Numbers: [28, 89, 18] Generated Node #0,2: 79:[28, 89, 18] Operation: 2*9=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[9, 89, 56], Operations: ['2*28=56'] Exploring Operation: 9+89=98, Resulting Numbers: [56, 98] Generated Node #0,0,0: 79:[56, 98] Operation: 9+89=98 Exploring Operation: 9+56=65, Resulting Numbers: [89, 65] Generated Node #0,0,1: 79:[89, 65] Operation: 9+56=65 Exploring Operation: 89-9=80, Resulting Numbers: [56, 80] Generated Node #0,0,2: 79:[56, 80] Operation: 89-9=80 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[89, 65], Operations: ['2*28=56', '9+56=65'] Exploring Operation: 89-65=24, Resulting Numbers: [24] 24,79 unequal: No Solution Exploring Operation: 89+65=154, Resulting Numbers: [154] 154,79 unequal: No Solution Exploring Operation: 89*65=5785, Resulting Numbers: [5785] 5785,79 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 #0,0,2 Current State: 79:[56, 80], Operations: ['2*28=56', '89-9=80'] Exploring Operation: 56+80=136, Resulting Numbers: [136] 136,79 unequal: No Solution Exploring Operation: 80-56=24, Resulting Numbers: [24] 24,79 unequal: No Solution Exploring Operation: 56*80=4480, Resulting Numbers: [4480] 4480,79 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:[56, 98], Operations: ['2*28=56', '9+89=98'] Exploring Operation: 56*98=5488, Resulting Numbers: [5488] 5488,79 unequal: No Solution Exploring Operation: 98-56=42, Resulting Numbers: [42] 42,79 unequal: No Solution Exploring Operation: 56+98=154, Resulting Numbers: [154] 154,79 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:[28, 89, 18], Operations: ['2*9=18'] Exploring Operation: 28+18=46, Resulting Numbers: [89, 46] Generated Node #0,2,0: 79:[89, 46] Operation: 28+18=46 Exploring Operation: 89-18=71, Resulting Numbers: [28, 71] Generated Node #0,2,1: 79:[28, 71] Operation: 89-18=71 Exploring Operation: 89-28=61, Resulting Numbers: [18, 61] Generated Node #0,2,2: 79:[18, 61] Operation: 89-28=61 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[89, 46], Operations: ['2*9=18', '28+18=46'] Exploring Operation: 89-46=43, Resulting Numbers: [43] 43,79 unequal: No Solution Exploring Operation: 89+46=135, Resulting Numbers: [135] 135,79 unequal: No Solution Exploring Operation: 89*46=4094, Resulting Numbers: [4094] 4094,79 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 #0,2,1 Current State: 79:[28, 71], Operations: ['2*9=18', '89-18=71'] Exploring Operation: 28*71=1988, Resulting Numbers: [1988] 1988,79 unequal: No Solution Exploring Operation: 71-28=43, Resulting Numbers: [43] 43,79 unequal: No Solution Exploring Operation: 28+71=99, Resulting Numbers: [99] 99,79 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 #0,2,2 Current State: 79:[18, 61], Operations: ['2*9=18', '89-28=61'] Exploring Operation: 61-18=43, Resulting Numbers: [43] 43,79 unequal: No Solution Exploring Operation: 18+61=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[2, 9, 28, 89], Operations: [] Exploring Operation: 2*9=18, Resulting Numbers: [28, 89, 18] Generated Node #0,2: 79:[28, 89, 18] Operation: 2*9=18 Moving to Node #0,2 Current State: 79:[28, 89, 18], Operations: ['2*9=18'] Exploring Operation: 89-28=61, Resulting Numbers: [18, 61] Generated Node #0,2,2: 79:[18, 61] Operation: 89-28=61 Moving to Node #0,2,2 Current State: 79:[18, 61], Operations: ['2*9=18', '89-28=61'] Exploring Operation: 18+61=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_3
mult_heuristic
[ 78, 72, 26, 23 ]
47
[ "78/26=3", "72/3=24", "23+24=47" ]
Current State: 47:[78, 72, 26, 23], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [72, 23, 3] Generated Node #2: [72, 23, 3] from Operation: 78/26=3 Current State: 47:[72, 23, 3], Operations: ['78/26=3'] Exploring Operation: 72/3=24, Resulting Numbers: [23, 24] Generated Node #3: [23, 24] from Operation: 72/3=24 Current State: 47:[23, 24], Operations: ['78/26=3', '72/3=24'] Exploring Operation: 23+24=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[78, 72, 26, 23], Operations: [] Exploring Operation: 78-26=52, Resulting Numbers: [72, 23, 52] Generated Node #0,0: 47:[72, 23, 52] Operation: 78-26=52 Exploring Operation: 78-23=55, Resulting Numbers: [72, 26, 55] Generated Node #0,1: 47:[72, 26, 55] Operation: 78-23=55 Exploring Operation: 72-23=49, Resulting Numbers: [78, 26, 49] Generated Node #0,2: 47:[78, 26, 49] Operation: 72-23=49 Moving to Node #0,0 Current State: 47:[72, 23, 52], Operations: ['78-26=52'] Exploring Operation: 72-23=49, Resulting Numbers: [52, 49] Generated Node #0,0,0: 47:[52, 49] Operation: 72-23=49 Exploring Operation: 72-52=20, Resulting Numbers: [23, 20] Generated Node #0,0,1: 47:[23, 20] Operation: 72-52=20 Exploring Operation: 52-23=29, Resulting Numbers: [72, 29] Generated Node #0,0,2: 47:[72, 29] Operation: 52-23=29 Moving to Node #0,1 Current State: 47:[72, 26, 55], Operations: ['78-23=55'] Exploring Operation: 72-55=17, Resulting Numbers: [26, 17] Generated Node #0,1,0: 47:[26, 17] Operation: 72-55=17 Exploring Operation: 55-26=29, Resulting Numbers: [72, 29] Generated Node #0,1,1: 47:[72, 29] Operation: 55-26=29 Exploring Operation: 72-26=46, Resulting Numbers: [55, 46] Generated Node #0,1,2: 47:[55, 46] Operation: 72-26=46 Moving to Node #0,2 Current State: 47:[78, 26, 49], Operations: ['72-23=49'] Exploring Operation: 78-49=29, Resulting Numbers: [26, 29] Generated Node #0,2,0: 47:[26, 29] Operation: 78-49=29 Exploring Operation: 78/26=3, Resulting Numbers: [49, 3] Generated Node #0,2,1: 47:[49, 3] Operation: 78/26=3 Exploring Operation: 78-26=52, Resulting Numbers: [49, 52] Generated Node #0,2,2: 47:[49, 52] Operation: 78-26=52 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[49, 52], Operations: ['72-23=49', '78-26=52'] Exploring Operation: 49+52=101, Resulting Numbers: [101] 101,47 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 49*52=2548, Resulting Numbers: [2548] 2548,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[26, 29], Operations: ['72-23=49', '78-49=29'] Exploring Operation: 26*29=754, Resulting Numbers: [754] 754,47 unequal: No Solution Exploring Operation: 26+29=55, Resulting Numbers: [55] 55,47 unequal: No Solution Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[49, 3], Operations: ['72-23=49', '78/26=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 47:[52, 49], Operations: ['78-26=52', '72-23=49'] Exploring Operation: 52+49=101, Resulting Numbers: [101] 101,47 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 52*49=2548, Resulting Numbers: [2548] 2548,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[55, 46], Operations: ['78-23=55', '72-26=46'] Exploring Operation: 55+46=101, Resulting Numbers: [101] 101,47 unequal: No Solution Exploring Operation: 55-46=9, Resulting Numbers: [9] 9,47 unequal: No Solution Exploring Operation: 55*46=2530, Resulting Numbers: [2530] 2530,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[72, 29], Operations: ['78-23=55', '55-26=29'] Exploring Operation: 72-29=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 72+29=101, Resulting Numbers: [101] 101,47 unequal: No Solution Exploring Operation: 72*29=2088, Resulting Numbers: [2088] 2088,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[72, 29], Operations: ['78-26=52', '52-23=29'] Exploring Operation: 72-29=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 72*29=2088, Resulting Numbers: [2088] 2088,47 unequal: No Solution Exploring Operation: 72+29=101, Resulting Numbers: [101] 101,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[26, 17], Operations: ['78-23=55', '72-55=17'] Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,47 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[23, 20], Operations: ['78-26=52', '72-52=20'] Exploring Operation: 23*20=460, Resulting Numbers: [460] 460,47 unequal: No Solution Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 23+20=43, Resulting Numbers: [43] 43,47 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 43, 20, 23, 38 ]
78
[ "43+20=63", "38-23=15", "63+15=78" ]
Current State: 78:[43, 20, 23, 38], Operations: [] Exploring Operation: 43+20=63, Resulting Numbers: [23, 38, 63] Generated Node #2: [23, 38, 63] from Operation: 43+20=63 Current State: 78:[23, 38, 63], Operations: ['43+20=63'] Exploring Operation: 38-23=15, Resulting Numbers: [63, 15] Generated Node #3: [63, 15] from Operation: 38-23=15 Current State: 78:[63, 15], Operations: ['43+20=63', '38-23=15'] Exploring Operation: 63+15=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[43, 20, 23, 38], Operations: [] Exploring Operation: 23-20=3, Resulting Numbers: [43, 38, 3] Generated Node #0,0: 78:[43, 38, 3] Operation: 23-20=3 Moving to Node #0,0 Current State: 78:[43, 38, 3], Operations: ['23-20=3'] Exploring Operation: 43-38=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 78:[3, 5] Operation: 43-38=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[3, 5], Operations: ['23-20=3', '43-38=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,78 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
[ 12, 34, 14, 21 ]
50
[ "21-14=7", "12*7=84", "84-34=50" ]
Current State: 50:[12, 34, 14, 21], Operations: [] Exploring Operation: 21-14=7, Resulting Numbers: [12, 34, 7] Generated Node #2: [12, 34, 7] from Operation: 21-14=7 Current State: 50:[12, 34, 7], Operations: ['21-14=7'] Exploring Operation: 12*7=84, Resulting Numbers: [34, 84] Generated Node #3: [34, 84] from Operation: 12*7=84 Current State: 50:[34, 84], Operations: ['21-14=7', '12*7=84'] Exploring Operation: 84-34=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[12, 34, 14, 21], Operations: [] Exploring Operation: 34-12=22, Resulting Numbers: [14, 21, 22] Generated Node #0,0: 50:[14, 21, 22] Operation: 34-12=22 Exploring Operation: 34-14=20, Resulting Numbers: [12, 21, 20] Generated Node #0,1: 50:[12, 21, 20] Operation: 34-14=20 Exploring Operation: 34+21=55, Resulting Numbers: [12, 14, 55] Generated Node #0,2: 50:[12, 14, 55] Operation: 34+21=55 Exploring Operation: 34+14=48, Resulting Numbers: [12, 21, 48] Generated Node #0,3: 50:[12, 21, 48] Operation: 34+14=48 Exploring Operation: 34-21=13, Resulting Numbers: [12, 14, 13] Generated Node #0,4: 50:[12, 14, 13] Operation: 34-21=13 Moving to Node #0,3 Current State: 50:[12, 21, 48], Operations: ['34+14=48'] Exploring Operation: 48-21=27, Resulting Numbers: [12, 27] Generated Node #0,3,0: 50:[12, 27] Operation: 48-21=27 Exploring Operation: 12+21=33, Resulting Numbers: [48, 33] Generated Node #0,3,1: 50:[48, 33] Operation: 12+21=33 Exploring Operation: 12+48=60, Resulting Numbers: [21, 60] Generated Node #0,3,2: 50:[21, 60] Operation: 12+48=60 Exploring Operation: 21-12=9, Resulting Numbers: [48, 9] Generated Node #0,3,3: 50:[48, 9] Operation: 21-12=9 Exploring Operation: 48/12=4, Resulting Numbers: [21, 4] Generated Node #0,3,4: 50:[21, 4] Operation: 48/12=4 Moving to Node #0,4 Current State: 50:[12, 14, 13], Operations: ['34-21=13'] Exploring Operation: 14-13=1, Resulting Numbers: [12, 1] Generated Node #0,4,0: 50:[12, 1] Operation: 14-13=1 Exploring Operation: 14-12=2, Resulting Numbers: [13, 2] Generated Node #0,4,1: 50:[13, 2] Operation: 14-12=2 Exploring Operation: 12+13=25, Resulting Numbers: [14, 25] Generated Node #0,4,2: 50:[14, 25] Operation: 12+13=25 Exploring Operation: 12+14=26, Resulting Numbers: [13, 26] Generated Node #0,4,3: 50:[13, 26] Operation: 12+14=26 Exploring Operation: 14+13=27, Resulting Numbers: [12, 27] Generated Node #0,4,4: 50:[12, 27] Operation: 14+13=27 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 50:[12, 1], Operations: ['34-21=13', '14-13=1'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 50:[13, 2], Operations: ['34-21=13', '14-12=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,50 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 50:[14, 25], Operations: ['34-21=13', '12+13=25'] Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 14*25=350, Resulting Numbers: [350] 350,50 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 50:[13, 26], Operations: ['34-21=13', '12+14=26'] Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 13*26=338, Resulting Numbers: [338] 338,50 unequal: No Solution Exploring Operation: 13+26=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 50:[12, 27], Operations: ['34-21=13', '14+13=27'] Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 50:[14, 21, 22], Operations: ['34-12=22'] Exploring Operation: 21+22=43, Resulting Numbers: [14, 43] Generated Node #0,0,0: 50:[14, 43] Operation: 21+22=43 Exploring Operation: 14+21=35, Resulting Numbers: [22, 35] Generated Node #0,0,1: 50:[22, 35] Operation: 14+21=35 Exploring Operation: 22-21=1, Resulting Numbers: [14, 1] Generated Node #0,0,2: 50:[14, 1] Operation: 22-21=1 Exploring Operation: 21-14=7, Resulting Numbers: [22, 7] Generated Node #0,0,3: 50:[22, 7] Operation: 21-14=7 Exploring Operation: 22-14=8, Resulting Numbers: [21, 8] Generated Node #0,0,4: 50:[21, 8] Operation: 22-14=8 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[14, 1], Operations: ['34-12=22', '22-21=1'] Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 50:[22, 7], Operations: ['34-12=22', '21-14=7'] Exploring Operation: 22*7=154, Resulting Numbers: [154] 154,50 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 50:[21, 8], Operations: ['34-12=22', '22-14=8'] Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,50 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[14, 43], Operations: ['34-12=22', '21+22=43'] Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 14+43=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 14*43=602, Resulting Numbers: [602] 602,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[22, 35], Operations: ['34-12=22', '14+21=35'] Exploring Operation: 22*35=770, Resulting Numbers: [770] 770,50 unequal: No Solution Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 22+35=57, Resulting Numbers: [57] 57,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 50:[12, 21, 20], Operations: ['34-14=20'] Exploring Operation: 21-20=1, Resulting Numbers: [12, 1] Generated Node #0,1,0: 50:[12, 1] Operation: 21-20=1 Exploring Operation: 20-12=8, Resulting Numbers: [21, 8] Generated Node #0,1,1: 50:[21, 8] Operation: 20-12=8 Exploring Operation: 21+20=41, Resulting Numbers: [12, 41] Generated Node #0,1,2: 50:[12, 41] Operation: 21+20=41 Exploring Operation: 21-12=9, Resulting Numbers: [20, 9] Generated Node #0,1,3: 50:[20, 9] Operation: 21-12=9 Exploring Operation: 12+20=32, Resulting Numbers: [21, 32] Generated Node #0,1,4: 50:[21, 32] Operation: 12+20=32 Moving to Node #0,2 Current State: 50:[12, 14, 55], Operations: ['34+21=55'] Exploring Operation: 12+55=67, Resulting Numbers: [14, 67] Generated Node #0,2,0: 50:[14, 67] Operation: 12+55=67 Exploring Operation: 14-12=2, Resulting Numbers: [55, 2] Generated Node #0,2,1: 50:[55, 2] Operation: 14-12=2 Exploring Operation: 12+14=26, Resulting Numbers: [55, 26] Generated Node #0,2,2: 50:[55, 26] Operation: 12+14=26 Exploring Operation: 55-14=41, Resulting Numbers: [12, 41] Generated Node #0,2,3: 50:[12, 41] Operation: 55-14=41 Exploring Operation: 55-12=43, Resulting Numbers: [14, 43] Generated Node #0,2,4: 50:[14, 43] Operation: 55-12=43 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 50:[55, 2], Operations: ['34+21=55', '14-12=2'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,50 unequal: No Solution Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 50:[55, 26], Operations: ['34+21=55', '12+14=26'] Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 55*26=1430, Resulting Numbers: [1430] 1430,50 unequal: No Solution Exploring Operation: 55+26=81, Resulting Numbers: [81] 81,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 50:[12, 41], Operations: ['34+21=55', '55-14=41'] Exploring Operation: 12*41=492, Resulting Numbers: [492] 492,50 unequal: No Solution Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 12+41=53, Resulting Numbers: [53] 53,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 50:[14, 43], Operations: ['34+21=55', '55-12=43'] Exploring Operation: 14+43=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 14*43=602, Resulting Numbers: [602] 602,50 unequal: No Solution Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 50:[14, 67], Operations: ['34+21=55', '12+55=67'] Exploring Operation: 14*67=938, Resulting Numbers: [938] 938,50 unequal: No Solution Exploring Operation: 14+67=81, Resulting Numbers: [81] 81,50 unequal: No Solution Exploring Operation: 67-14=53, Resulting Numbers: [53] 53,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 50:[48, 9], Operations: ['34+14=48', '21-12=9'] Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 48*9=432, Resulting Numbers: [432] 432,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[12, 1], Operations: ['34-14=20', '21-20=1'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,50 unequal: No Solution Moving to Node #0,3,0 Current State: 50:[12, 27], Operations: ['34+14=48', '48-21=27'] Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,50 unequal: No Solution Moving to Node #0,3,4 Current State: 50:[21, 4], Operations: ['34+14=48', '48/12=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,50 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[21, 8], Operations: ['34-14=20', '20-12=8'] Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,50 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,50 unequal: No Solution Moving to Node #0,1,3 Current State: 50:[20, 9], Operations: ['34-14=20', '21-12=9'] Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 20*9=180, Resulting Numbers: [180] 180,50 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,50 unequal: No Solution Moving to Node #0,3,1 Current State: 50:[48, 33], Operations: ['34+14=48', '12+21=33'] Exploring Operation: 48+33=81, Resulting Numbers: [81] 81,50 unequal: No Solution Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 48*33=1584, Resulting Numbers: [1584] 1584,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[12, 41], Operations: ['34-14=20', '21+20=41'] Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 12*41=492, Resulting Numbers: [492] 492,50 unequal: No Solution Exploring Operation: 12+41=53, Resulting Numbers: [53] 53,50 unequal: No Solution Moving to Node #0,1,4 Current State: 50:[21, 32], Operations: ['34-14=20', '12+20=32'] Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 21+32=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 21*32=672, Resulting Numbers: [672] 672,50 unequal: No Solution Moving to Node #0,3,2 Current State: 50:[21, 60], Operations: ['34+14=48', '12+48=60'] Exploring Operation: 21*60=1260, Resulting Numbers: [1260] 1260,50 unequal: No Solution Exploring Operation: 21+60=81, Resulting Numbers: [81] 81,50 unequal: No Solution Exploring Operation: 60-21=39, Resulting Numbers: [39] 39,50 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 55, 42, 74, 76 ]
53
[ "55+42=97", "74+76=150", "150-97=53" ]
Current State: 53:[55, 42, 74, 76], Operations: [] Exploring Operation: 55+42=97, Resulting Numbers: [74, 76, 97] Generated Node #2: [74, 76, 97] from Operation: 55+42=97 Current State: 53:[74, 76, 97], Operations: ['55+42=97'] Exploring Operation: 74+76=150, Resulting Numbers: [97, 150] Generated Node #3: [97, 150] from Operation: 74+76=150 Current State: 53:[97, 150], Operations: ['55+42=97', '74+76=150'] Exploring Operation: 150-97=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[55, 42, 74, 76], Operations: [] Exploring Operation: 74-42=32, Resulting Numbers: [55, 76, 32] Generated Node #0,0: 53:[55, 76, 32] Operation: 74-42=32 Exploring Operation: 76-42=34, Resulting Numbers: [55, 74, 34] Generated Node #0,1: 53:[55, 74, 34] Operation: 76-42=34 Moving to Node #0,1 Current State: 53:[55, 74, 34], Operations: ['76-42=34'] Exploring Operation: 74-55=19, Resulting Numbers: [34, 19] Generated Node #0,1,0: 53:[34, 19] Operation: 74-55=19 Exploring Operation: 74-34=40, Resulting Numbers: [55, 40] Generated Node #0,1,1: 53:[55, 40] Operation: 74-34=40 Moving to Node #0,0 Current State: 53:[55, 76, 32], Operations: ['74-42=32'] Exploring Operation: 76-55=21, Resulting Numbers: [32, 21] Generated Node #0,0,0: 53:[32, 21] Operation: 76-55=21 Exploring Operation: 76-32=44, Resulting Numbers: [55, 44] Generated Node #0,0,1: 53:[55, 44] Operation: 76-32=44 Moving to Node #0,0,1 Current State: 53:[55, 44], Operations: ['74-42=32', '76-32=44'] Exploring Operation: 55+44=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 55-44=11, Resulting Numbers: [11] 11,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[55, 40], Operations: ['76-42=34', '74-34=40'] Exploring Operation: 55+40=95, Resulting Numbers: [95] 95,53 unequal: No Solution Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[34, 19], Operations: ['76-42=34', '74-55=19'] Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,53 unequal: No Solution Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[55, 42, 74, 76], Operations: [] Exploring Operation: 76-42=34, Resulting Numbers: [55, 74, 34] Generated Node #0,1: 53:[55, 74, 34] Operation: 76-42=34 Moving to Node #0,1 Current State: 53:[55, 74, 34], Operations: ['76-42=34'] Exploring Operation: 74-55=19, Resulting Numbers: [34, 19] Generated Node #0,1,0: 53:[34, 19] Operation: 74-55=19 Moving to Node #0,1,0 Current State: 53:[34, 19], Operations: ['76-42=34', '74-55=19'] Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 88, 77, 53, 31 ]
11
[ "88-77=11", "53-31=22", "22-11=11" ]
Current State: 11:[88, 77, 53, 31], Operations: [] Exploring Operation: 88-77=11, Resulting Numbers: [53, 31, 11] Generated Node #2: [53, 31, 11] from Operation: 88-77=11 Current State: 11:[53, 31, 11], Operations: ['88-77=11'] Exploring Operation: 53-31=22, Resulting Numbers: [11, 22] Generated Node #3: [11, 22] from Operation: 53-31=22 Current State: 11:[11, 22], Operations: ['88-77=11', '53-31=22'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[88, 77, 53, 31], Operations: [] Exploring Operation: 88-77=11, Resulting Numbers: [53, 31, 11] Generated Node #0,0: 11:[53, 31, 11] Operation: 88-77=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[53, 31, 11], Operations: ['88-77=11'] Exploring Operation: 53-31=22, Resulting Numbers: [11, 22] Generated Node #0,0,0: 11:[11, 22] Operation: 53-31=22 Moving to Node #0,0,0 Current State: 11:[11, 22], Operations: ['88-77=11', '53-31=22'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[88, 77, 53, 31], Operations: [] Exploring Operation: 88-77=11, Resulting Numbers: [53, 31, 11] Generated Node #0,0: 11:[53, 31, 11] Operation: 88-77=11 Moving to Node #0,0 Current State: 11:[53, 31, 11], Operations: ['88-77=11'] Exploring Operation: 53-31=22, Resulting Numbers: [11, 22] Generated Node #0,0,0: 11:[11, 22] Operation: 53-31=22 Moving to Node #0,0,0 Current State: 11:[11, 22], Operations: ['88-77=11', '53-31=22'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 18, 84, 63, 91 ]
74
[ "18+84=102", "91-63=28", "102-28=74" ]
Current State: 74:[18, 84, 63, 91], Operations: [] Exploring Operation: 18+84=102, Resulting Numbers: [63, 91, 102] Generated Node #2: [63, 91, 102] from Operation: 18+84=102 Current State: 74:[63, 91, 102], Operations: ['18+84=102'] Exploring Operation: 91-63=28, Resulting Numbers: [102, 28] Generated Node #3: [102, 28] from Operation: 91-63=28 Current State: 74:[102, 28], Operations: ['18+84=102', '91-63=28'] Exploring Operation: 102-28=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[18, 84, 63, 91], Operations: [] Exploring Operation: 91-84=7, Resulting Numbers: [18, 63, 7] Generated Node #0,0: 74:[18, 63, 7] Operation: 91-84=7 Exploring Operation: 18+63=81, Resulting Numbers: [84, 91, 81] Generated Node #0,1: 74:[84, 91, 81] Operation: 18+63=81 Exploring Operation: 63-18=45, Resulting Numbers: [84, 91, 45] Generated Node #0,2: 74:[84, 91, 45] Operation: 63-18=45 Exploring Operation: 91-18=73, Resulting Numbers: [84, 63, 73] Generated Node #0,3: 74:[84, 63, 73] Operation: 91-18=73 Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[84, 63, 73], Operations: ['91-18=73'] Exploring Operation: 84-73=11, Resulting Numbers: [63, 11] Generated Node #0,3,0: 74:[63, 11] Operation: 84-73=11 Exploring Operation: 73-63=10, Resulting Numbers: [84, 10] Generated Node #0,3,1: 74:[84, 10] Operation: 73-63=10 Exploring Operation: 84-63=21, Resulting Numbers: [73, 21] Generated Node #0,3,2: 74:[73, 21] Operation: 84-63=21 Exploring Operation: 63+73=136, Resulting Numbers: [84, 136] Generated Node #0,3,3: 74:[84, 136] Operation: 63+73=136 Moving to Node #0,3,2 Current State: 74:[73, 21], Operations: ['91-18=73', '84-63=21'] Exploring Operation: 73*21=1533, Resulting Numbers: [1533] 1533,74 unequal: No Solution Exploring Operation: 73-21=52, Resulting Numbers: [52] 52,74 unequal: No Solution Exploring Operation: 73+21=94, Resulting Numbers: [94] 94,74 unequal: No Solution Moving to Node #0,3,1 Current State: 74:[84, 10], Operations: ['91-18=73', '73-63=10'] Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[18, 84, 63, 91], Operations: [] Exploring Operation: 91-18=73, Resulting Numbers: [84, 63, 73] Generated Node #0,3: 74:[84, 63, 73] Operation: 91-18=73 Moving to Node #0,3 Current State: 74:[84, 63, 73], Operations: ['91-18=73'] Exploring Operation: 73-63=10, Resulting Numbers: [84, 10] Generated Node #0,3,1: 74:[84, 10] Operation: 73-63=10 Moving to Node #0,3,1 Current State: 74:[84, 10], Operations: ['91-18=73', '73-63=10'] Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 47, 50, 17, 15 ]
95
[ "47+50=97", "17-15=2", "97-2=95" ]
Current State: 95:[47, 50, 17, 15], Operations: [] Exploring Operation: 47+50=97, Resulting Numbers: [17, 15, 97] Generated Node #2: [17, 15, 97] from Operation: 47+50=97 Current State: 95:[17, 15, 97], Operations: ['47+50=97'] Exploring Operation: 17-15=2, Resulting Numbers: [97, 2] Generated Node #3: [97, 2] from Operation: 17-15=2 Current State: 95:[97, 2], Operations: ['47+50=97', '17-15=2'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[47, 50, 17, 15], Operations: [] Exploring Operation: 47+50=97, Resulting Numbers: [17, 15, 97] Generated Node #0,0: 95:[17, 15, 97] Operation: 47+50=97 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[17, 15, 97], Operations: ['47+50=97'] Exploring Operation: 17-15=2, Resulting Numbers: [97, 2] Generated Node #0,0,0: 95:[97, 2] Operation: 17-15=2 Moving to Node #0,0,0 Current State: 95:[97, 2], Operations: ['47+50=97', '17-15=2'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[47, 50, 17, 15], Operations: [] Exploring Operation: 47+50=97, Resulting Numbers: [17, 15, 97] Generated Node #0,0: 95:[17, 15, 97] Operation: 47+50=97 Moving to Node #0,0 Current State: 95:[17, 15, 97], Operations: ['47+50=97'] Exploring Operation: 17-15=2, Resulting Numbers: [97, 2] Generated Node #0,0,0: 95:[97, 2] Operation: 17-15=2 Moving to Node #0,0,0 Current State: 95:[97, 2], Operations: ['47+50=97', '17-15=2'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 19, 99, 42, 68 ]
92
[ "19+99=118", "68-42=26", "118-26=92" ]
Current State: 92:[19, 99, 42, 68], Operations: [] Exploring Operation: 19+99=118, Resulting Numbers: [42, 68, 118] Generated Node #2: [42, 68, 118] from Operation: 19+99=118 Current State: 92:[42, 68, 118], Operations: ['19+99=118'] Exploring Operation: 68-42=26, Resulting Numbers: [118, 26] Generated Node #3: [118, 26] from Operation: 68-42=26 Current State: 92:[118, 26], Operations: ['19+99=118', '68-42=26'] Exploring Operation: 118-26=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[19, 99, 42, 68], Operations: [] Exploring Operation: 68-19=49, Resulting Numbers: [99, 42, 49] Generated Node #0,0: 92:[99, 42, 49] Operation: 68-19=49 Exploring Operation: 99-68=31, Resulting Numbers: [19, 42, 31] Generated Node #0,1: 92:[19, 42, 31] Operation: 99-68=31 Exploring Operation: 19+68=87, Resulting Numbers: [99, 42, 87] Generated Node #0,2: 92:[99, 42, 87] Operation: 19+68=87 Exploring Operation: 68-42=26, Resulting Numbers: [19, 99, 26] Generated Node #0,3: 92:[19, 99, 26] Operation: 68-42=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[99, 42, 49], Operations: ['68-19=49'] Exploring Operation: 49-42=7, Resulting Numbers: [99, 7] Generated Node #0,0,0: 92:[99, 7] Operation: 49-42=7 Exploring Operation: 99-42=57, Resulting Numbers: [49, 57] Generated Node #0,0,1: 92:[49, 57] Operation: 99-42=57 Exploring Operation: 42+49=91, Resulting Numbers: [99, 91] Generated Node #0,0,2: 92:[99, 91] Operation: 42+49=91 Exploring Operation: 99-49=50, Resulting Numbers: [42, 50] Generated Node #0,0,3: 92:[42, 50] Operation: 99-49=50 Moving to Node #0,0,2 Current State: 92:[99, 91], Operations: ['68-19=49', '42+49=91'] Exploring Operation: 99+91=190, Resulting Numbers: [190] 190,92 unequal: No Solution Exploring Operation: 99*91=9009, Resulting Numbers: [9009] 9009,92 unequal: No Solution Exploring Operation: 99-91=8, Resulting Numbers: [8] 8,92 unequal: No Solution Moving to Node #0,0,3 Current State: 92:[42, 50], Operations: ['68-19=49', '99-49=50'] Exploring Operation: 42+50=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[19, 99, 42, 68], Operations: [] Exploring Operation: 68-19=49, Resulting Numbers: [99, 42, 49] Generated Node #0,0: 92:[99, 42, 49] Operation: 68-19=49 Moving to Node #0,0 Current State: 92:[99, 42, 49], Operations: ['68-19=49'] Exploring Operation: 99-49=50, Resulting Numbers: [42, 50] Generated Node #0,0,3: 92:[42, 50] Operation: 99-49=50 Moving to Node #0,0,3 Current State: 92:[42, 50], Operations: ['68-19=49', '99-49=50'] Exploring Operation: 42+50=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 67, 4, 27, 59 ]
49
[ "67-27=40", "40/4=10", "59-10=49" ]
Current State: 49:[67, 4, 27, 59], Operations: [] Exploring Operation: 67-27=40, Resulting Numbers: [4, 59, 40] Generated Node #2: [4, 59, 40] from Operation: 67-27=40 Current State: 49:[4, 59, 40], Operations: ['67-27=40'] Exploring Operation: 40/4=10, Resulting Numbers: [59, 10] Generated Node #3: [59, 10] from Operation: 40/4=10 Current State: 49:[59, 10], Operations: ['67-27=40', '40/4=10'] Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[67, 4, 27, 59], Operations: [] Exploring Operation: 67-27=40, Resulting Numbers: [4, 59, 40] Generated Node #0,0: 49:[4, 59, 40] Operation: 67-27=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[4, 59, 40], Operations: ['67-27=40'] Exploring Operation: 40/4=10, Resulting Numbers: [59, 10] Generated Node #0,0,0: 49:[59, 10] Operation: 40/4=10 Moving to Node #0,0,0 Current State: 49:[59, 10], Operations: ['67-27=40', '40/4=10'] Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[67, 4, 27, 59], Operations: [] Exploring Operation: 67-27=40, Resulting Numbers: [4, 59, 40] Generated Node #0,0: 49:[4, 59, 40] Operation: 67-27=40 Moving to Node #0,0 Current State: 49:[4, 59, 40], Operations: ['67-27=40'] Exploring Operation: 40/4=10, Resulting Numbers: [59, 10] Generated Node #0,0,0: 49:[59, 10] Operation: 40/4=10 Moving to Node #0,0,0 Current State: 49:[59, 10], Operations: ['67-27=40', '40/4=10'] Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 13, 79, 16, 35 ]
82
[ "13+35=48", "48/16=3", "79+3=82" ]
Current State: 82:[13, 79, 16, 35], Operations: [] Exploring Operation: 13+35=48, Resulting Numbers: [79, 16, 48] Generated Node #2: [79, 16, 48] from Operation: 13+35=48 Current State: 82:[79, 16, 48], Operations: ['13+35=48'] Exploring Operation: 48/16=3, Resulting Numbers: [79, 3] Generated Node #3: [79, 3] from Operation: 48/16=3 Current State: 82:[79, 3], Operations: ['13+35=48', '48/16=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[13, 79, 16, 35], Operations: [] Exploring Operation: 16-13=3, Resulting Numbers: [79, 35, 3] Generated Node #0,0: 82:[79, 35, 3] Operation: 16-13=3 Exploring Operation: 13+16=29, Resulting Numbers: [79, 35, 29] Generated Node #0,1: 82:[79, 35, 29] Operation: 13+16=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[79, 35, 3], Operations: ['16-13=3'] Exploring Operation: 79+3=82, Resulting Numbers: [35, 82] Generated Node #0,0,0: 82:[35, 82] Operation: 79+3=82 Exploring Operation: 79-35=44, Resulting Numbers: [3, 44] Generated Node #0,0,1: 82:[3, 44] Operation: 79-35=44 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[3, 44], Operations: ['16-13=3', '79-35=44'] Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[35, 82], Operations: ['16-13=3', '79+3=82'] Exploring Operation: 82-35=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 35+82=117, Resulting Numbers: [117] 117,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[79, 35, 29], Operations: ['13+16=29'] Exploring Operation: 35-29=6, Resulting Numbers: [79, 6] Generated Node #0,1,0: 82:[79, 6] Operation: 35-29=6 Exploring Operation: 79-35=44, Resulting Numbers: [29, 44] Generated Node #0,1,1: 82:[29, 44] Operation: 79-35=44 Moving to Node #0,1,0 Current State: 82:[79, 6], Operations: ['13+16=29', '35-29=6'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,82 unequal: No Solution Exploring Operation: 79+6=85, Resulting Numbers: [85] 85,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[29, 44], Operations: ['13+16=29', '79-35=44'] Exploring Operation: 29+44=73, Resulting Numbers: [73] 73,82 unequal: No Solution Exploring Operation: 44-29=15, Resulting Numbers: [15] 15,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 66, 35, 21, 43 ]
70
[ "66-21=45", "45-43=2", "35*2=70" ]
Current State: 70:[66, 35, 21, 43], Operations: [] Exploring Operation: 66-21=45, Resulting Numbers: [35, 43, 45] Generated Node #2: [35, 43, 45] from Operation: 66-21=45 Current State: 70:[35, 43, 45], Operations: ['66-21=45'] Exploring Operation: 45-43=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 45-43=2 Current State: 70:[35, 2], Operations: ['66-21=45', '45-43=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[66, 35, 21, 43], Operations: [] Exploring Operation: 35-21=14, Resulting Numbers: [66, 43, 14] Generated Node #0,0: 70:[66, 43, 14] Operation: 35-21=14 Exploring Operation: 21+43=64, Resulting Numbers: [66, 35, 64] Generated Node #0,1: 70:[66, 35, 64] Operation: 21+43=64 Exploring Operation: 43-35=8, Resulting Numbers: [66, 21, 8] Generated Node #0,2: 70:[66, 21, 8] Operation: 43-35=8 Exploring Operation: 43-21=22, Resulting Numbers: [66, 35, 22] Generated Node #0,3: 70:[66, 35, 22] Operation: 43-21=22 Moving to Node #0,1 Current State: 70:[66, 35, 64], Operations: ['21+43=64'] Exploring Operation: 35+64=99, Resulting Numbers: [66, 99] Generated Node #0,1,0: 70:[66, 99] Operation: 35+64=99 Exploring Operation: 66-64=2, Resulting Numbers: [35, 2] Generated Node #0,1,1: 70:[35, 2] Operation: 66-64=2 Exploring Operation: 64-35=29, Resulting Numbers: [66, 29] Generated Node #0,1,2: 70:[66, 29] Operation: 64-35=29 Exploring Operation: 66-35=31, Resulting Numbers: [64, 31] Generated Node #0,1,3: 70:[64, 31] Operation: 66-35=31 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[35, 2], Operations: ['21+43=64', '66-64=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[66, 35, 21, 43], Operations: [] Exploring Operation: 21+43=64, Resulting Numbers: [66, 35, 64] Generated Node #0,1: 70:[66, 35, 64] Operation: 21+43=64 Moving to Node #0,1 Current State: 70:[66, 35, 64], Operations: ['21+43=64'] Exploring Operation: 66-64=2, Resulting Numbers: [35, 2] Generated Node #0,1,1: 70:[35, 2] Operation: 66-64=2 Moving to Node #0,1,1 Current State: 70:[35, 2], Operations: ['21+43=64', '66-64=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 52, 26, 37, 38 ]
27
[ "52-26=26", "38-37=1", "26+1=27" ]
Current State: 27:[52, 26, 37, 38], Operations: [] Exploring Operation: 52-26=26, Resulting Numbers: [37, 38, 26] Generated Node #2: [37, 38, 26] from Operation: 52-26=26 Current State: 27:[37, 38, 26], Operations: ['52-26=26'] Exploring Operation: 38-37=1, Resulting Numbers: [26, 1] Generated Node #3: [26, 1] from Operation: 38-37=1 Current State: 27:[26, 1], Operations: ['52-26=26', '38-37=1'] Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[52, 26, 37, 38], Operations: [] Exploring Operation: 52-26=26, Resulting Numbers: [37, 38, 26] Generated Node #0,0: 27:[37, 38, 26] Operation: 52-26=26 Exploring Operation: 52-38=14, Resulting Numbers: [26, 37, 14] Generated Node #0,1: 27:[26, 37, 14] Operation: 52-38=14 Exploring Operation: 52-37=15, Resulting Numbers: [26, 38, 15] Generated Node #0,2: 27:[26, 38, 15] Operation: 52-37=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[26, 37, 14], Operations: ['52-38=14'] Exploring Operation: 37-26=11, Resulting Numbers: [14, 11] Generated Node #0,1,0: 27:[14, 11] Operation: 37-26=11 Exploring Operation: 37-14=23, Resulting Numbers: [26, 23] Generated Node #0,1,1: 27:[26, 23] Operation: 37-14=23 Exploring Operation: 26-14=12, Resulting Numbers: [37, 12] Generated Node #0,1,2: 27:[37, 12] Operation: 26-14=12 Moving to Node #0,1,1 Current State: 27:[26, 23], Operations: ['52-38=14', '37-14=23'] Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 26*23=598, Resulting Numbers: [598] 598,27 unequal: No Solution Exploring Operation: 26+23=49, Resulting Numbers: [49] 49,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[14, 11], Operations: ['52-38=14', '37-26=11'] Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,27 unequal: No Solution Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[37, 12], Operations: ['52-38=14', '26-14=12'] Exploring Operation: 37*12=444, Resulting Numbers: [444] 444,27 unequal: No Solution Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,27 unequal: No Solution Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[26, 38, 15], Operations: ['52-37=15'] Exploring Operation: 38-26=12, Resulting Numbers: [15, 12] Generated Node #0,2,0: 27:[15, 12] Operation: 38-26=12 Exploring Operation: 38-15=23, Resulting Numbers: [26, 23] Generated Node #0,2,1: 27:[26, 23] Operation: 38-15=23 Exploring Operation: 26-15=11, Resulting Numbers: [38, 11] Generated Node #0,2,2: 27:[38, 11] Operation: 26-15=11 Moving to Node #0,2,1 Current State: 27:[26, 23], Operations: ['52-37=15', '38-15=23'] Exploring Operation: 26+23=49, Resulting Numbers: [49] 49,27 unequal: No Solution Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 26*23=598, Resulting Numbers: [598] 598,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[15, 12], Operations: ['52-37=15', '38-26=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[52, 26, 37, 38], Operations: [] Exploring Operation: 52-37=15, Resulting Numbers: [26, 38, 15] Generated Node #0,2: 27:[26, 38, 15] Operation: 52-37=15 Moving to Node #0,2 Current State: 27:[26, 38, 15], Operations: ['52-37=15'] Exploring Operation: 38-26=12, Resulting Numbers: [15, 12] Generated Node #0,2,0: 27:[15, 12] Operation: 38-26=12 Moving to Node #0,2,0 Current State: 27:[15, 12], Operations: ['52-37=15', '38-26=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
mult_heuristic
[ 87, 22, 27, 83 ]
45
[ "87-22=65", "27+83=110", "110-65=45" ]
Current State: 45:[87, 22, 27, 83], Operations: [] Exploring Operation: 87-22=65, Resulting Numbers: [27, 83, 65] Generated Node #2: [27, 83, 65] from Operation: 87-22=65 Current State: 45:[27, 83, 65], Operations: ['87-22=65'] Exploring Operation: 27+83=110, Resulting Numbers: [65, 110] Generated Node #3: [65, 110] from Operation: 27+83=110 Current State: 45:[65, 110], Operations: ['87-22=65', '27+83=110'] Exploring Operation: 110-65=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[87, 22, 27, 83], Operations: [] Exploring Operation: 83-27=56, Resulting Numbers: [87, 22, 56] Generated Node #0,0: 45:[87, 22, 56] Operation: 83-27=56 Exploring Operation: 87-83=4, Resulting Numbers: [22, 27, 4] Generated Node #0,1: 45:[22, 27, 4] Operation: 87-83=4 Exploring Operation: 87-27=60, Resulting Numbers: [22, 83, 60] Generated Node #0,2: 45:[22, 83, 60] Operation: 87-27=60 Moving to Node #0,1 Current State: 45:[22, 27, 4], Operations: ['87-83=4'] Exploring Operation: 22+27=49, Resulting Numbers: [4, 49] Generated Node #0,1,0: 45:[4, 49] Operation: 22+27=49 Exploring Operation: 27-22=5, Resulting Numbers: [4, 5] Generated Node #0,1,1: 45:[4, 5] Operation: 27-22=5 Exploring Operation: 22-4=18, Resulting Numbers: [27, 18] Generated Node #0,1,2: 45:[27, 18] Operation: 22-4=18 Moving to Node #0,0 Current State: 45:[87, 22, 56], Operations: ['83-27=56'] Exploring Operation: 56-22=34, Resulting Numbers: [87, 34] Generated Node #0,0,0: 45:[87, 34] Operation: 56-22=34 Exploring Operation: 87-22=65, Resulting Numbers: [56, 65] Generated Node #0,0,1: 45:[56, 65] Operation: 87-22=65 Exploring Operation: 87-56=31, Resulting Numbers: [22, 31] Generated Node #0,0,2: 45:[22, 31] Operation: 87-56=31 Moving to Node #0,2 Current State: 45:[22, 83, 60], Operations: ['87-27=60'] Exploring Operation: 83-60=23, Resulting Numbers: [22, 23] Generated Node #0,2,0: 45:[22, 23] Operation: 83-60=23 Exploring Operation: 60-22=38, Resulting Numbers: [83, 38] Generated Node #0,2,1: 45:[83, 38] Operation: 60-22=38 Exploring Operation: 83-22=61, Resulting Numbers: [60, 61] Generated Node #0,2,2: 45:[60, 61] Operation: 83-22=61 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 45:[22, 23], Operations: ['87-27=60', '83-60=23'] Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,45 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[87, 22, 27, 83], Operations: [] Exploring Operation: 87-27=60, Resulting Numbers: [22, 83, 60] Generated Node #0,2: 45:[22, 83, 60] Operation: 87-27=60 Moving to Node #0,2 Current State: 45:[22, 83, 60], Operations: ['87-27=60'] Exploring Operation: 83-60=23, Resulting Numbers: [22, 23] Generated Node #0,2,0: 45:[22, 23] Operation: 83-60=23 Moving to Node #0,2,0 Current State: 45:[22, 23], Operations: ['87-27=60', '83-60=23'] Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 73, 57, 47, 18 ]
94
[ "73-57=16", "18-16=2", "47*2=94" ]
Current State: 94:[73, 57, 47, 18], Operations: [] Exploring Operation: 73-57=16, Resulting Numbers: [47, 18, 16] Generated Node #2: [47, 18, 16] from Operation: 73-57=16 Current State: 94:[47, 18, 16], Operations: ['73-57=16'] Exploring Operation: 18-16=2, Resulting Numbers: [47, 2] Generated Node #3: [47, 2] from Operation: 18-16=2 Current State: 94:[47, 2], Operations: ['73-57=16', '18-16=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[73, 57, 47, 18], Operations: [] Exploring Operation: 73+18=91, Resulting Numbers: [57, 47, 91] Generated Node #0,0: 94:[57, 47, 91] Operation: 73+18=91 Moving to Node #0,0 Current State: 94:[57, 47, 91], Operations: ['73+18=91'] Exploring Operation: 57-47=10, Resulting Numbers: [91, 10] Generated Node #0,0,0: 94:[91, 10] Operation: 57-47=10 Moving to Node #0,0,0 Current State: 94:[91, 10], Operations: ['73+18=91', '57-47=10'] Exploring Operation: 91+10=101, Resulting Numbers: [101] 101,94 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 15, 33, 62, 75 ]
34
[ "75/15=5", "62-33=29", "5+29=34" ]
Current State: 34:[15, 33, 62, 75], Operations: [] Exploring Operation: 75/15=5, Resulting Numbers: [33, 62, 5] Generated Node #2: [33, 62, 5] from Operation: 75/15=5 Current State: 34:[33, 62, 5], Operations: ['75/15=5'] Exploring Operation: 62-33=29, Resulting Numbers: [5, 29] Generated Node #3: [5, 29] from Operation: 62-33=29 Current State: 34:[5, 29], Operations: ['75/15=5', '62-33=29'] Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[15, 33, 62, 75], Operations: [] Exploring Operation: 75/15=5, Resulting Numbers: [33, 62, 5] Generated Node #0,0: 34:[33, 62, 5] Operation: 75/15=5 Exploring Operation: 62-15=47, Resulting Numbers: [33, 75, 47] Generated Node #0,1: 34:[33, 75, 47] Operation: 62-15=47 Exploring Operation: 75-62=13, Resulting Numbers: [15, 33, 13] Generated Node #0,2: 34:[15, 33, 13] Operation: 75-62=13 Exploring Operation: 75-33=42, Resulting Numbers: [15, 62, 42] Generated Node #0,3: 34:[15, 62, 42] Operation: 75-33=42 Exploring Operation: 62-33=29, Resulting Numbers: [15, 75, 29] Generated Node #0,4: 34:[15, 75, 29] Operation: 62-33=29 Moving to Node #0,2 Current State: 34:[15, 33, 13], Operations: ['75-62=13'] Exploring Operation: 33-13=20, Resulting Numbers: [15, 20] Generated Node #0,2,0: 34:[15, 20] Operation: 33-13=20 Exploring Operation: 33-15=18, Resulting Numbers: [13, 18] Generated Node #0,2,1: 34:[13, 18] Operation: 33-15=18 Exploring Operation: 15+13=28, Resulting Numbers: [33, 28] Generated Node #0,2,2: 34:[33, 28] Operation: 15+13=28 Exploring Operation: 33+13=46, Resulting Numbers: [15, 46] Generated Node #0,2,3: 34:[15, 46] Operation: 33+13=46 Exploring Operation: 15-13=2, Resulting Numbers: [33, 2] Generated Node #0,2,4: 34:[33, 2] Operation: 15-13=2 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 34:[33, 2], Operations: ['75-62=13', '15-13=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,34 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:[15, 20], Operations: ['75-62=13', '33-13=20'] Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,34 unequal: No Solution Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,34 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 #0,2,1 Current State: 34:[13, 18], Operations: ['75-62=13', '33-15=18'] Exploring Operation: 13+18=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 13*18=234, Resulting Numbers: [234] 234,34 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 34:[33, 28], Operations: ['75-62=13', '15+13=28'] Exploring Operation: 33*28=924, Resulting Numbers: [924] 924,34 unequal: No Solution Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,34 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 #0,2,3 Current State: 34:[15, 46], Operations: ['75-62=13', '33+13=46'] Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 15*46=690, Resulting Numbers: [690] 690,34 unequal: No Solution Exploring Operation: 15+46=61, Resulting Numbers: [61] 61,34 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:[33, 62, 5], Operations: ['75/15=5'] Exploring Operation: 62-5=57, Resulting Numbers: [33, 57] Generated Node #0,0,0: 34:[33, 57] Operation: 62-5=57 Exploring Operation: 62+5=67, Resulting Numbers: [33, 67] Generated Node #0,0,1: 34:[33, 67] Operation: 62+5=67 Exploring Operation: 33+5=38, Resulting Numbers: [62, 38] Generated Node #0,0,2: 34:[62, 38] Operation: 33+5=38 Exploring Operation: 62-33=29, Resulting Numbers: [5, 29] Generated Node #0,0,3: 34:[5, 29] Operation: 62-33=29 Exploring Operation: 33-5=28, Resulting Numbers: [62, 28] Generated Node #0,0,4: 34:[62, 28] Operation: 33-5=28 Moving to Node #0,3 Current State: 34:[15, 62, 42], Operations: ['75-33=42'] Exploring Operation: 42-15=27, Resulting Numbers: [62, 27] Generated Node #0,3,0: 34:[62, 27] Operation: 42-15=27 Exploring Operation: 62-15=47, Resulting Numbers: [42, 47] Generated Node #0,3,1: 34:[42, 47] Operation: 62-15=47 Exploring Operation: 62-42=20, Resulting Numbers: [15, 20] Generated Node #0,3,2: 34:[15, 20] Operation: 62-42=20 Exploring Operation: 15+62=77, Resulting Numbers: [42, 77] Generated Node #0,3,3: 34:[42, 77] Operation: 15+62=77 Exploring Operation: 15+42=57, Resulting Numbers: [62, 57] Generated Node #0,3,4: 34:[62, 57] Operation: 15+42=57 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 34:[15, 20], Operations: ['75-33=42', '62-42=20'] Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,34 unequal: No Solution Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 34:[42, 47], Operations: ['75-33=42', '62-15=47'] Exploring Operation: 42+47=89, Resulting Numbers: [89] 89,34 unequal: No Solution Exploring Operation: 42*47=1974, Resulting Numbers: [1974] 1974,34 unequal: No Solution Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 34:[62, 27], Operations: ['75-33=42', '42-15=27'] Exploring Operation: 62*27=1674, Resulting Numbers: [1674] 1674,34 unequal: No Solution Exploring Operation: 62+27=89, Resulting Numbers: [89] 89,34 unequal: No Solution Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,34 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 #0,3,3 Current State: 34:[42, 77], Operations: ['75-33=42', '15+62=77'] Exploring Operation: 42+77=119, Resulting Numbers: [119] 119,34 unequal: No Solution Exploring Operation: 42*77=3234, Resulting Numbers: [3234] 3234,34 unequal: No Solution Exploring Operation: 77-42=35, Resulting Numbers: [35] 35,34 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 #0,3,4 Current State: 34:[62, 57], Operations: ['75-33=42', '15+42=57'] Exploring Operation: 62-57=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 62+57=119, Resulting Numbers: [119] 119,34 unequal: No Solution Exploring Operation: 62*57=3534, Resulting Numbers: [3534] 3534,34 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: 34:[15, 75, 29], Operations: ['62-33=29'] Exploring Operation: 15+29=44, Resulting Numbers: [75, 44] Generated Node #0,4,0: 34:[75, 44] Operation: 15+29=44 Exploring Operation: 75/15=5, Resulting Numbers: [29, 5] Generated Node #0,4,1: 34:[29, 5] Operation: 75/15=5 Exploring Operation: 29-15=14, Resulting Numbers: [75, 14] Generated Node #0,4,2: 34:[75, 14] Operation: 29-15=14 Exploring Operation: 75-15=60, Resulting Numbers: [29, 60] Generated Node #0,4,3: 34:[29, 60] Operation: 75-15=60 Exploring Operation: 75-29=46, Resulting Numbers: [15, 46] Generated Node #0,4,4: 34:[15, 46] Operation: 75-29=46 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 34:[29, 5], Operations: ['62-33=29', '75/15=5'] Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,34 unequal: No Solution Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[15, 33, 62, 75], Operations: [] Exploring Operation: 62-33=29, Resulting Numbers: [15, 75, 29] Generated Node #0,4: 34:[15, 75, 29] Operation: 62-33=29 Moving to Node #0,4 Current State: 34:[15, 75, 29], Operations: ['62-33=29'] Exploring Operation: 75/15=5, Resulting Numbers: [29, 5] Generated Node #0,4,1: 34:[29, 5] Operation: 75/15=5 Moving to Node #0,4,1 Current State: 34:[29, 5], Operations: ['62-33=29', '75/15=5'] Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.947049
hs_5
sum_heuristic
[ 13, 14, 3, 29 ]
88
[ "14-13=1", "3*29=87", "1+87=88" ]
Current State: 88:[13, 14, 3, 29], Operations: [] Exploring Operation: 14-13=1, Resulting Numbers: [3, 29, 1] Generated Node #2: [3, 29, 1] from Operation: 14-13=1 Current State: 88:[3, 29, 1], Operations: ['14-13=1'] Exploring Operation: 3*29=87, Resulting Numbers: [1, 87] Generated Node #3: [1, 87] from Operation: 3*29=87 Current State: 88:[1, 87], Operations: ['14-13=1', '3*29=87'] Exploring Operation: 1+87=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[13, 14, 3, 29], Operations: [] Exploring Operation: 13+29=42, Resulting Numbers: [14, 3, 42] Generated Node #0,0: 88:[14, 3, 42] Operation: 13+29=42 Exploring Operation: 14+29=43, Resulting Numbers: [13, 3, 43] Generated Node #0,1: 88:[13, 3, 43] Operation: 14+29=43 Moving to Node #0,1 Current State: 88:[13, 3, 43], Operations: ['14+29=43'] Exploring Operation: 3+43=46, Resulting Numbers: [13, 46] Generated Node #0,1,0: 88:[13, 46] Operation: 3+43=46 Exploring Operation: 13-3=10, Resulting Numbers: [43, 10] Generated Node #0,1,1: 88:[43, 10] Operation: 13-3=10 Moving to Node #0,0 Current State: 88:[14, 3, 42], Operations: ['13+29=42'] Exploring Operation: 14-3=11, Resulting Numbers: [42, 11] Generated Node #0,0,0: 88:[42, 11] Operation: 14-3=11 Exploring Operation: 42/14=3, Resulting Numbers: [3, 3] Generated Node #0,0,1: 88:[3, 3] Operation: 42/14=3 Moving to Node #0,1,1 Current State: 88:[43, 10], Operations: ['14+29=43', '13-3=10'] Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[42, 11], Operations: ['13+29=42', '14-3=11'] Exploring Operation: 42+11=53, Resulting Numbers: [53] 53,88 unequal: No Solution Exploring Operation: 42-11=31, Resulting Numbers: [31] 31,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[3, 3], Operations: ['13+29=42', '42/14=3'] Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,88 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[13, 46], Operations: ['14+29=43', '3+43=46'] Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,88 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 15, 63, 85, 78 ]
85
[ "15+63=78", "85+78=163", "163-78=85" ]
Current State: 85:[15, 63, 85, 78], Operations: [] Exploring Operation: 15+63=78, Resulting Numbers: [85, 78, 78] Generated Node #2: [85, 78, 78] from Operation: 15+63=78 Current State: 85:[85, 78, 78], Operations: ['15+63=78'] Exploring Operation: 85+78=163, Resulting Numbers: [163] 163,85 equal: Goal Reached Exploring Operation: 163-78=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[15, 63, 85, 78], Operations: [] Exploring Operation: 15+63=78, Resulting Numbers: [85, 78, 78] Generated Node #0,0: 85:[85, 78, 78] Operation: 15+63=78 Exploring Operation: 85-63=22, Resulting Numbers: [15, 78, 22] Generated Node #0,1: 85:[15, 78, 22] Operation: 85-63=22 Exploring Operation: 78-63=15, Resulting Numbers: [15, 85, 15] Generated Node #0,2: 85:[15, 85, 15] Operation: 78-63=15 Moving to Node #0,2 Current State: 85:[15, 85, 15], Operations: ['78-63=15'] Exploring Operation: 15/15=1, Resulting Numbers: [85, 1] Generated Node #0,2,0: 85:[85, 1] Operation: 15/15=1 Exploring Operation: 15+15=30, Resulting Numbers: [85, 30] Generated Node #0,2,1: 85:[85, 30] Operation: 15+15=30 Exploring Operation: 15-15=0, Resulting Numbers: [85, 0] Generated Node #0,2,2: 85:[85, 0] Operation: 15-15=0 Moving to Node #0,0 Current State: 85:[85, 78, 78], Operations: ['15+63=78'] Exploring Operation: 85-78=7, Resulting Numbers: [78, 7] Generated Node #0,0,0: 85:[78, 7] Operation: 85-78=7 Exploring Operation: 78-78=0, Resulting Numbers: [85, 0] Generated Node #0,0,1: 85:[85, 0] Operation: 78-78=0 Exploring Operation: 78/78=1, Resulting Numbers: [85, 1] Generated Node #0,0,2: 85:[85, 1] Operation: 78/78=1 Moving to Node #0,1 Current State: 85:[15, 78, 22], Operations: ['85-63=22'] Exploring Operation: 78+22=100, Resulting Numbers: [15, 100] Generated Node #0,1,0: 85:[15, 100] Operation: 78+22=100 Exploring Operation: 15+78=93, Resulting Numbers: [22, 93] Generated Node #0,1,1: 85:[22, 93] Operation: 15+78=93 Exploring Operation: 22-15=7, Resulting Numbers: [78, 7] Generated Node #0,1,2: 85:[78, 7] Operation: 22-15=7 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 85:[78, 7], Operations: ['85-63=22', '22-15=7'] Exploring Operation: 78*7=546, Resulting Numbers: [546] 546,85 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,85 unequal: No Solution Exploring Operation: 78+7=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[15, 63, 85, 78], Operations: [] Exploring Operation: 85-63=22, Resulting Numbers: [15, 78, 22] Generated Node #0,1: 85:[15, 78, 22] Operation: 85-63=22 Moving to Node #0,1 Current State: 85:[15, 78, 22], Operations: ['85-63=22'] Exploring Operation: 22-15=7, Resulting Numbers: [78, 7] Generated Node #0,1,2: 85:[78, 7] Operation: 22-15=7 Moving to Node #0,1,2 Current State: 85:[78, 7], Operations: ['85-63=22', '22-15=7'] Exploring Operation: 78+7=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 25, 97, 15, 32 ]
75
[ "25+97=122", "15+32=47", "122-47=75" ]
Current State: 75:[25, 97, 15, 32], Operations: [] Exploring Operation: 25+97=122, Resulting Numbers: [15, 32, 122] Generated Node #2: [15, 32, 122] from Operation: 25+97=122 Current State: 75:[15, 32, 122], Operations: ['25+97=122'] Exploring Operation: 15+32=47, Resulting Numbers: [122, 47] Generated Node #3: [122, 47] from Operation: 15+32=47 Current State: 75:[122, 47], Operations: ['25+97=122', '15+32=47'] Exploring Operation: 122-47=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[25, 97, 15, 32], Operations: [] Exploring Operation: 97-15=82, Resulting Numbers: [25, 32, 82] Generated Node #0,0: 75:[25, 32, 82] Operation: 97-15=82 Exploring Operation: 32-25=7, Resulting Numbers: [97, 15, 7] Generated Node #0,1: 75:[97, 15, 7] Operation: 32-25=7 Exploring Operation: 97-32=65, Resulting Numbers: [25, 15, 65] Generated Node #0,2: 75:[25, 15, 65] Operation: 97-32=65 Exploring Operation: 97-25=72, Resulting Numbers: [15, 32, 72] Generated Node #0,3: 75:[15, 32, 72] Operation: 97-25=72 Moving to Node #0,2 Current State: 75:[25, 15, 65], Operations: ['97-32=65'] Exploring Operation: 25-15=10, Resulting Numbers: [65, 10] Generated Node #0,2,0: 75:[65, 10] Operation: 25-15=10 Exploring Operation: 15+65=80, Resulting Numbers: [25, 80] Generated Node #0,2,1: 75:[25, 80] Operation: 15+65=80 Exploring Operation: 25+65=90, Resulting Numbers: [15, 90] Generated Node #0,2,2: 75:[15, 90] Operation: 25+65=90 Exploring Operation: 65-25=40, Resulting Numbers: [15, 40] Generated Node #0,2,3: 75:[15, 40] Operation: 65-25=40 Moving to Node #0,3 Current State: 75:[15, 32, 72], Operations: ['97-25=72'] Exploring Operation: 15+72=87, Resulting Numbers: [32, 87] Generated Node #0,3,0: 75:[32, 87] Operation: 15+72=87 Exploring Operation: 32-15=17, Resulting Numbers: [72, 17] Generated Node #0,3,1: 75:[72, 17] Operation: 32-15=17 Exploring Operation: 72-32=40, Resulting Numbers: [15, 40] Generated Node #0,3,2: 75:[15, 40] Operation: 72-32=40 Exploring Operation: 15+32=47, Resulting Numbers: [72, 47] Generated Node #0,3,3: 75:[72, 47] Operation: 15+32=47 Moving to Node #0,0 Current State: 75:[25, 32, 82], Operations: ['97-15=82'] Exploring Operation: 82-25=57, Resulting Numbers: [32, 57] Generated Node #0,0,0: 75:[32, 57] Operation: 82-25=57 Exploring Operation: 32-25=7, Resulting Numbers: [82, 7] Generated Node #0,0,1: 75:[82, 7] Operation: 32-25=7 Exploring Operation: 82-32=50, Resulting Numbers: [25, 50] Generated Node #0,0,2: 75:[25, 50] Operation: 82-32=50 Exploring Operation: 25+32=57, Resulting Numbers: [82, 57] Generated Node #0,0,3: 75:[82, 57] Operation: 25+32=57 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[82, 7], Operations: ['97-15=82', '32-25=7'] Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[25, 97, 15, 32], Operations: [] Exploring Operation: 97-15=82, Resulting Numbers: [25, 32, 82] Generated Node #0,0: 75:[25, 32, 82] Operation: 97-15=82 Moving to Node #0,0 Current State: 75:[25, 32, 82], Operations: ['97-15=82'] Exploring Operation: 32-25=7, Resulting Numbers: [82, 7] Generated Node #0,0,1: 75:[82, 7] Operation: 32-25=7 Moving to Node #0,0,1 Current State: 75:[82, 7], Operations: ['97-15=82', '32-25=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 65, 98, 47, 9 ]
100
[ "65-47=18", "18/9=2", "98+2=100" ]
Current State: 100:[65, 98, 47, 9], Operations: [] Exploring Operation: 65-47=18, Resulting Numbers: [98, 9, 18] Generated Node #2: [98, 9, 18] from Operation: 65-47=18 Current State: 100:[98, 9, 18], Operations: ['65-47=18'] Exploring Operation: 18/9=2, Resulting Numbers: [98, 2] Generated Node #3: [98, 2] from Operation: 18/9=2 Current State: 100:[98, 2], Operations: ['65-47=18', '18/9=2'] Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[65, 98, 47, 9], Operations: [] Exploring Operation: 65-47=18, Resulting Numbers: [98, 9, 18] Generated Node #0,0: 100:[98, 9, 18] Operation: 65-47=18 Exploring Operation: 65-9=56, Resulting Numbers: [98, 47, 56] Generated Node #0,1: 100:[98, 47, 56] Operation: 65-9=56 Moving to Node #0,0 Current State: 100:[98, 9, 18], Operations: ['65-47=18'] Exploring Operation: 18-9=9, Resulting Numbers: [98, 9] Generated Node #0,0,0: 100:[98, 9] Operation: 18-9=9 Exploring Operation: 18/9=2, Resulting Numbers: [98, 2] Generated Node #0,0,1: 100:[98, 2] Operation: 18/9=2 Moving to Node #0,1 Current State: 100:[98, 47, 56], Operations: ['65-9=56'] Exploring Operation: 47+56=103, Resulting Numbers: [98, 103] Generated Node #0,1,0: 100:[98, 103] Operation: 47+56=103 Exploring Operation: 56-47=9, Resulting Numbers: [98, 9] Generated Node #0,1,1: 100:[98, 9] Operation: 56-47=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[98, 9], Operations: ['65-9=56', '56-47=9'] Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,100 unequal: No Solution Exploring Operation: 98+9=107, Resulting Numbers: [107] 107,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[98, 103], Operations: ['65-9=56', '47+56=103'] Exploring Operation: 103-98=5, Resulting Numbers: [5] 5,100 unequal: No Solution Exploring Operation: 98+103=201, Resulting Numbers: [201] 201,100 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: 100:[98, 2], Operations: ['65-47=18', '18/9=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,100 unequal: No Solution Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[65, 98, 47, 9], Operations: [] Exploring Operation: 65-47=18, Resulting Numbers: [98, 9, 18] Generated Node #0,0: 100:[98, 9, 18] Operation: 65-47=18 Moving to Node #0,0 Current State: 100:[98, 9, 18], Operations: ['65-47=18'] Exploring Operation: 18/9=2, Resulting Numbers: [98, 2] Generated Node #0,0,1: 100:[98, 2] Operation: 18/9=2 Moving to Node #0,0,1 Current State: 100:[98, 2], Operations: ['65-47=18', '18/9=2'] Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 31, 86, 4, 7 ]
52
[ "86-31=55", "7-4=3", "55-3=52" ]
Current State: 52:[31, 86, 4, 7], Operations: [] Exploring Operation: 86-31=55, Resulting Numbers: [4, 7, 55] Generated Node #2: [4, 7, 55] from Operation: 86-31=55 Current State: 52:[4, 7, 55], Operations: ['86-31=55'] Exploring Operation: 7-4=3, Resulting Numbers: [55, 3] Generated Node #3: [55, 3] from Operation: 7-4=3 Current State: 52:[55, 3], Operations: ['86-31=55', '7-4=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[31, 86, 4, 7], Operations: [] Exploring Operation: 86-31=55, Resulting Numbers: [4, 7, 55] Generated Node #0,0: 52:[4, 7, 55] Operation: 86-31=55 Moving to Node #0,0 Current State: 52:[4, 7, 55], Operations: ['86-31=55'] Exploring Operation: 7-4=3, Resulting Numbers: [55, 3] Generated Node #0,0,0: 52:[55, 3] Operation: 7-4=3 Moving to Node #0,0,0 Current State: 52:[55, 3], Operations: ['86-31=55', '7-4=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[31, 86, 4, 7], Operations: [] Exploring Operation: 86-31=55, Resulting Numbers: [4, 7, 55] Generated Node #0,0: 52:[4, 7, 55] Operation: 86-31=55 Moving to Node #0,0 Current State: 52:[4, 7, 55], Operations: ['86-31=55'] Exploring Operation: 7-4=3, Resulting Numbers: [55, 3] Generated Node #0,0,0: 52:[55, 3] Operation: 7-4=3 Moving to Node #0,0,0 Current State: 52:[55, 3], Operations: ['86-31=55', '7-4=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 1, 74, 67, 55 ]
86
[ "1*74=74", "67-55=12", "74+12=86" ]
Current State: 86:[1, 74, 67, 55], Operations: [] Exploring Operation: 1*74=74, Resulting Numbers: [67, 55, 74] Generated Node #2: [67, 55, 74] from Operation: 1*74=74 Current State: 86:[67, 55, 74], Operations: ['1*74=74'] Exploring Operation: 67-55=12, Resulting Numbers: [74, 12] Generated Node #3: [74, 12] from Operation: 67-55=12 Current State: 86:[74, 12], Operations: ['1*74=74', '67-55=12'] Exploring Operation: 74+12=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[1, 74, 67, 55], Operations: [] Exploring Operation: 74-67=7, Resulting Numbers: [1, 55, 7] Generated Node #0,0: 86:[1, 55, 7] Operation: 74-67=7 Exploring Operation: 74-55=19, Resulting Numbers: [1, 67, 19] Generated Node #0,1: 86:[1, 67, 19] Operation: 74-55=19 Exploring Operation: 67-55=12, Resulting Numbers: [1, 74, 12] Generated Node #0,2: 86:[1, 74, 12] Operation: 67-55=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[1, 55, 7], Operations: ['74-67=7'] Exploring Operation: 55-7=48, Resulting Numbers: [1, 48] Generated Node #0,0,0: 86:[1, 48] Operation: 55-7=48 Exploring Operation: 55-1=54, Resulting Numbers: [7, 54] Generated Node #0,0,1: 86:[7, 54] Operation: 55-1=54 Exploring Operation: 7-1=6, Resulting Numbers: [55, 6] Generated Node #0,0,2: 86:[55, 6] Operation: 7-1=6 Moving to Node #0,0,0 Current State: 86:[1, 48], Operations: ['74-67=7', '55-7=48'] Exploring Operation: 1*48=48, Resulting Numbers: [48] 48,86 unequal: No Solution Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,86 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[7, 54], Operations: ['74-67=7', '55-1=54'] Exploring Operation: 7*54=378, Resulting Numbers: [378] 378,86 unequal: No Solution Exploring Operation: 7+54=61, Resulting Numbers: [61] 61,86 unequal: No Solution Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[55, 6], Operations: ['74-67=7', '7-1=6'] Exploring Operation: 55+6=61, Resulting Numbers: [61] 61,86 unequal: No Solution Exploring Operation: 55*6=330, Resulting Numbers: [330] 330,86 unequal: No Solution Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 86:[1, 74, 12], Operations: ['67-55=12'] Exploring Operation: 1+74=75, Resulting Numbers: [12, 75] Generated Node #0,2,0: 86:[12, 75] Operation: 1+74=75 Exploring Operation: 74-12=62, Resulting Numbers: [1, 62] Generated Node #0,2,1: 86:[1, 62] Operation: 74-12=62 Exploring Operation: 74+12=86, Resulting Numbers: [1, 86] Generated Node #0,2,2: 86:[1, 86] Operation: 74+12=86 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 86:[1, 86], Operations: ['67-55=12', '74+12=86'] Exploring Operation: 1*86=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[1, 74, 67, 55], Operations: [] Exploring Operation: 67-55=12, Resulting Numbers: [1, 74, 12] Generated Node #0,2: 86:[1, 74, 12] Operation: 67-55=12 Moving to Node #0,2 Current State: 86:[1, 74, 12], Operations: ['67-55=12'] Exploring Operation: 74+12=86, Resulting Numbers: [1, 86] Generated Node #0,2,2: 86:[1, 86] Operation: 74+12=86 Moving to Node #0,2,2 Current State: 86:[1, 86], Operations: ['67-55=12', '74+12=86'] Exploring Operation: 1*86=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 44, 88, 99, 81 ]
20
[ "88/44=2", "99-81=18", "2+18=20" ]
Current State: 20:[44, 88, 99, 81], Operations: [] Exploring Operation: 88/44=2, Resulting Numbers: [99, 81, 2] Generated Node #2: [99, 81, 2] from Operation: 88/44=2 Current State: 20:[99, 81, 2], Operations: ['88/44=2'] Exploring Operation: 99-81=18, Resulting Numbers: [2, 18] Generated Node #3: [2, 18] from Operation: 99-81=18 Current State: 20:[2, 18], Operations: ['88/44=2', '99-81=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[44, 88, 99, 81], Operations: [] Exploring Operation: 99-88=11, Resulting Numbers: [44, 81, 11] Generated Node #0,0: 20:[44, 81, 11] Operation: 99-88=11 Exploring Operation: 88-81=7, Resulting Numbers: [44, 99, 7] Generated Node #0,1: 20:[44, 99, 7] Operation: 88-81=7 Exploring Operation: 88/44=2, Resulting Numbers: [99, 81, 2] Generated Node #0,2: 20:[99, 81, 2] Operation: 88/44=2 Exploring Operation: 99-81=18, Resulting Numbers: [44, 88, 18] Generated Node #0,3: 20:[44, 88, 18] Operation: 99-81=18 Moving to Node #0,0 Current State: 20:[44, 81, 11], Operations: ['99-88=11'] Exploring Operation: 44-11=33, Resulting Numbers: [81, 33] Generated Node #0,0,0: 20:[81, 33] Operation: 44-11=33 Exploring Operation: 81-11=70, Resulting Numbers: [44, 70] Generated Node #0,0,1: 20:[44, 70] Operation: 81-11=70 Exploring Operation: 44/11=4, Resulting Numbers: [81, 4] Generated Node #0,0,2: 20:[81, 4] Operation: 44/11=4 Exploring Operation: 81-44=37, Resulting Numbers: [11, 37] Generated Node #0,0,3: 20:[11, 37] Operation: 81-44=37 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 20:[11, 37], Operations: ['99-88=11', '81-44=37'] Exploring Operation: 11+37=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,20 unequal: No Solution Exploring Operation: 11*37=407, Resulting Numbers: [407] 407,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[81, 4], Operations: ['99-88=11', '44/11=4'] Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,20 unequal: No Solution Exploring Operation: 81*4=324, Resulting Numbers: [324] 324,20 unequal: No Solution Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[81, 33], Operations: ['99-88=11', '44-11=33'] Exploring Operation: 81+33=114, Resulting Numbers: [114] 114,20 unequal: No Solution Exploring Operation: 81-33=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 81*33=2673, Resulting Numbers: [2673] 2673,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[44, 70], Operations: ['99-88=11', '81-11=70'] Exploring Operation: 44*70=3080, Resulting Numbers: [3080] 3080,20 unequal: No Solution Exploring Operation: 44+70=114, Resulting Numbers: [114] 114,20 unequal: No Solution Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,20 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: 20:[44, 88, 18], Operations: ['99-81=18'] Exploring Operation: 88/44=2, Resulting Numbers: [18, 2] Generated Node #0,3,0: 20:[18, 2] Operation: 88/44=2 Exploring Operation: 88-18=70, Resulting Numbers: [44, 70] Generated Node #0,3,1: 20:[44, 70] Operation: 88-18=70 Exploring Operation: 88-44=44, Resulting Numbers: [18, 44] Generated Node #0,3,2: 20:[18, 44] Operation: 88-44=44 Exploring Operation: 44-18=26, Resulting Numbers: [88, 26] Generated Node #0,3,3: 20:[88, 26] Operation: 44-18=26 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 20:[18, 2], Operations: ['99-81=18', '88/44=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,20 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[44, 88, 99, 81], Operations: [] Exploring Operation: 99-81=18, Resulting Numbers: [44, 88, 18] Generated Node #0,3: 20:[44, 88, 18] Operation: 99-81=18 Moving to Node #0,3 Current State: 20:[44, 88, 18], Operations: ['99-81=18'] Exploring Operation: 88/44=2, Resulting Numbers: [18, 2] Generated Node #0,3,0: 20:[18, 2] Operation: 88/44=2 Moving to Node #0,3,0 Current State: 20:[18, 2], Operations: ['99-81=18', '88/44=2'] Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 87, 46, 83, 86 ]
58
[ "87*86=7482", "46+83=129", "7482/129=58" ]
Current State: 58:[87, 46, 83, 86], Operations: [] Exploring Operation: 87*86=7482, Resulting Numbers: [46, 83, 7482] Generated Node #2: [46, 83, 7482] from Operation: 87*86=7482 Current State: 58:[46, 83, 7482], Operations: ['87*86=7482'] Exploring Operation: 46+83=129, Resulting Numbers: [7482, 129] Generated Node #3: [7482, 129] from Operation: 46+83=129 Current State: 58:[7482, 129], Operations: ['87*86=7482', '46+83=129'] Exploring Operation: 7482/129=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[87, 46, 83, 86], Operations: [] Exploring Operation: 87-83=4, Resulting Numbers: [46, 86, 4] Generated Node #0,0: 58:[46, 86, 4] Operation: 87-83=4 Exploring Operation: 87-86=1, Resulting Numbers: [46, 83, 1] Generated Node #0,1: 58:[46, 83, 1] Operation: 87-86=1 Exploring Operation: 86-83=3, Resulting Numbers: [87, 46, 3] Generated Node #0,2: 58:[87, 46, 3] Operation: 86-83=3 Moving to Node #0,1 Current State: 58:[46, 83, 1], Operations: ['87-86=1'] Exploring Operation: 46+1=47, Resulting Numbers: [83, 47] Generated Node #0,1,0: 58:[83, 47] Operation: 46+1=47 Exploring Operation: 83-46=37, Resulting Numbers: [1, 37] Generated Node #0,1,1: 58:[1, 37] Operation: 83-46=37 Exploring Operation: 83-1=82, Resulting Numbers: [46, 82] Generated Node #0,1,2: 58:[46, 82] Operation: 83-1=82 Moving to Node #0,0 Current State: 58:[46, 86, 4], Operations: ['87-83=4'] Exploring Operation: 46+4=50, Resulting Numbers: [86, 50] Generated Node #0,0,0: 58:[86, 50] Operation: 46+4=50 Exploring Operation: 86-4=82, Resulting Numbers: [46, 82] Generated Node #0,0,1: 58:[46, 82] Operation: 86-4=82 Exploring Operation: 86-46=40, Resulting Numbers: [4, 40] Generated Node #0,0,2: 58:[4, 40] Operation: 86-46=40 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[4, 40], Operations: ['87-83=4', '86-46=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,58 unequal: No Solution Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[86, 50], Operations: ['87-83=4', '46+4=50'] Exploring Operation: 86+50=136, Resulting Numbers: [136] 136,58 unequal: No Solution Exploring Operation: 86-50=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 86*50=4300, Resulting Numbers: [4300] 4300,58 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:[46, 82], Operations: ['87-83=4', '86-4=82'] Exploring Operation: 46+82=128, Resulting Numbers: [128] 128,58 unequal: No Solution Exploring Operation: 46*82=3772, Resulting Numbers: [3772] 3772,58 unequal: No Solution Exploring Operation: 82-46=36, Resulting Numbers: [36] 36,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 58:[87, 46, 3], Operations: ['86-83=3'] Exploring Operation: 87/3=29, Resulting Numbers: [46, 29] Generated Node #0,2,0: 58:[46, 29] Operation: 87/3=29 Exploring Operation: 87-46=41, Resulting Numbers: [3, 41] Generated Node #0,2,1: 58:[3, 41] Operation: 87-46=41 Exploring Operation: 87-3=84, Resulting Numbers: [46, 84] Generated Node #0,2,2: 58:[46, 84] Operation: 87-3=84 Moving to Node #0,1,1 Current State: 58:[1, 37], Operations: ['87-86=1', '83-46=37'] Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,58 unequal: No Solution Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,58 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[46, 29], Operations: ['86-83=3', '87/3=29'] Exploring Operation: 46+29=75, Resulting Numbers: [75] 75,58 unequal: No Solution Exploring Operation: 46*29=1334, Resulting Numbers: [1334] 1334,58 unequal: No Solution Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[3, 41], Operations: ['86-83=3', '87-46=41'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 3+41=44, Resulting Numbers: [44] 44,58 unequal: No Solution Exploring Operation: 3*41=123, Resulting Numbers: [123] 123,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[46, 82], Operations: ['87-86=1', '83-1=82'] Exploring Operation: 82-46=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 46*82=3772, Resulting Numbers: [3772] 3772,58 unequal: No Solution Exploring Operation: 46+82=128, Resulting Numbers: [128] 128,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[83, 47], Operations: ['87-86=1', '46+1=47'] Exploring Operation: 83*47=3901, Resulting Numbers: [3901] 3901,58 unequal: No Solution Exploring Operation: 83-47=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 83+47=130, Resulting Numbers: [130] 130,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[46, 84], Operations: ['86-83=3', '87-3=84'] Exploring Operation: 46*84=3864, Resulting Numbers: [3864] 3864,58 unequal: No Solution Exploring Operation: 84-46=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 46+84=130, Resulting Numbers: [130] 130,58 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 13, 94, 27, 70 ]
89
[ "27-13=14", "70/14=5", "94-5=89" ]
Current State: 89:[13, 94, 27, 70], Operations: [] Exploring Operation: 27-13=14, Resulting Numbers: [94, 70, 14] Generated Node #2: [94, 70, 14] from Operation: 27-13=14 Current State: 89:[94, 70, 14], Operations: ['27-13=14'] Exploring Operation: 70/14=5, Resulting Numbers: [94, 5] Generated Node #3: [94, 5] from Operation: 70/14=5 Current State: 89:[94, 5], Operations: ['27-13=14', '70/14=5'] Exploring Operation: 94-5=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[13, 94, 27, 70], Operations: [] Exploring Operation: 13+70=83, Resulting Numbers: [94, 27, 83] Generated Node #0,0: 89:[94, 27, 83] Operation: 13+70=83 Exploring Operation: 13+27=40, Resulting Numbers: [94, 70, 40] Generated Node #0,1: 89:[94, 70, 40] Operation: 13+27=40 Exploring Operation: 27+70=97, Resulting Numbers: [13, 94, 97] Generated Node #0,2: 89:[13, 94, 97] Operation: 27+70=97 Exploring Operation: 94-13=81, Resulting Numbers: [27, 70, 81] Generated Node #0,3: 89:[27, 70, 81] Operation: 94-13=81 Exploring Operation: 13+94=107, Resulting Numbers: [27, 70, 107] Generated Node #0,4: 89:[27, 70, 107] Operation: 13+94=107 Moving to Node #0,0 Current State: 89:[94, 27, 83], Operations: ['13+70=83'] Exploring Operation: 83-27=56, Resulting Numbers: [94, 56] Generated Node #0,0,0: 89:[94, 56] Operation: 83-27=56 Exploring Operation: 94-83=11, Resulting Numbers: [27, 11] Generated Node #0,0,1: 89:[27, 11] Operation: 94-83=11 Exploring Operation: 94+27=121, Resulting Numbers: [83, 121] Generated Node #0,0,2: 89:[83, 121] Operation: 94+27=121 Exploring Operation: 27+83=110, Resulting Numbers: [94, 110] Generated Node #0,0,3: 89:[94, 110] Operation: 27+83=110 Exploring Operation: 94-27=67, Resulting Numbers: [83, 67] Generated Node #0,0,4: 89:[83, 67] Operation: 94-27=67 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 89:[94, 110], Operations: ['13+70=83', '27+83=110'] Exploring Operation: 94+110=204, Resulting Numbers: [204] 204,89 unequal: No Solution Exploring Operation: 94*110=10340, Resulting Numbers: [10340] 10340,89 unequal: No Solution Exploring Operation: 110-94=16, Resulting Numbers: [16] 16,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 89:[83, 67], Operations: ['13+70=83', '94-27=67'] Exploring Operation: 83-67=16, Resulting Numbers: [16] 16,89 unequal: No Solution Exploring Operation: 83+67=150, Resulting Numbers: [150] 150,89 unequal: No Solution Exploring Operation: 83*67=5561, Resulting Numbers: [5561] 5561,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[94, 56], Operations: ['13+70=83', '83-27=56'] Exploring Operation: 94-56=38, Resulting Numbers: [38] 38,89 unequal: No Solution Exploring Operation: 94+56=150, Resulting Numbers: [150] 150,89 unequal: No Solution Exploring Operation: 94*56=5264, Resulting Numbers: [5264] 5264,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 89:[83, 121], Operations: ['13+70=83', '94+27=121'] Exploring Operation: 83+121=204, Resulting Numbers: [204] 204,89 unequal: No Solution Exploring Operation: 121-83=38, Resulting Numbers: [38] 38,89 unequal: No Solution Exploring Operation: 83*121=10043, Resulting Numbers: [10043] 10043,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[27, 11], Operations: ['13+70=83', '94-83=11'] Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,89 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,89 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,89 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: 89:[94, 70, 40], Operations: ['13+27=40'] Exploring Operation: 94-70=24, Resulting Numbers: [40, 24] Generated Node #0,1,0: 89:[40, 24] Operation: 94-70=24 Exploring Operation: 70+40=110, Resulting Numbers: [94, 110] Generated Node #0,1,1: 89:[94, 110] Operation: 70+40=110 Exploring Operation: 94-40=54, Resulting Numbers: [70, 54] Generated Node #0,1,2: 89:[70, 54] Operation: 94-40=54 Exploring Operation: 70-40=30, Resulting Numbers: [94, 30] Generated Node #0,1,3: 89:[94, 30] Operation: 70-40=30 Exploring Operation: 94+40=134, Resulting Numbers: [70, 134] Generated Node #0,1,4: 89:[70, 134] Operation: 94+40=134 Moving to Node #0,2 Current State: 89:[13, 94, 97], Operations: ['27+70=97'] Exploring Operation: 13+97=110, Resulting Numbers: [94, 110] Generated Node #0,2,0: 89:[94, 110] Operation: 13+97=110 Exploring Operation: 97-94=3, Resulting Numbers: [13, 3] Generated Node #0,2,1: 89:[13, 3] Operation: 97-94=3 Exploring Operation: 94-13=81, Resulting Numbers: [97, 81] Generated Node #0,2,2: 89:[97, 81] Operation: 94-13=81 Exploring Operation: 97-13=84, Resulting Numbers: [94, 84] Generated Node #0,2,3: 89:[94, 84] Operation: 97-13=84 Exploring Operation: 13+94=107, Resulting Numbers: [97, 107] Generated Node #0,2,4: 89:[97, 107] Operation: 13+94=107 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 89:[94, 84], Operations: ['27+70=97', '97-13=84'] Exploring Operation: 94-84=10, Resulting Numbers: [10] 10,89 unequal: No Solution Exploring Operation: 94*84=7896, Resulting Numbers: [7896] 7896,89 unequal: No Solution Exploring Operation: 94+84=178, Resulting Numbers: [178] 178,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[97, 81], Operations: ['27+70=97', '94-13=81'] Exploring Operation: 97+81=178, Resulting Numbers: [178] 178,89 unequal: No Solution Exploring Operation: 97*81=7857, Resulting Numbers: [7857] 7857,89 unequal: No Solution Exploring Operation: 97-81=16, Resulting Numbers: [16] 16,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[94, 110], Operations: ['27+70=97', '13+97=110'] Exploring Operation: 110-94=16, Resulting Numbers: [16] 16,89 unequal: No Solution Exploring Operation: 94*110=10340, Resulting Numbers: [10340] 10340,89 unequal: No Solution Exploring Operation: 94+110=204, Resulting Numbers: [204] 204,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 89:[97, 107], Operations: ['27+70=97', '13+94=107'] Exploring Operation: 97*107=10379, Resulting Numbers: [10379] 10379,89 unequal: No Solution Exploring Operation: 107-97=10, Resulting Numbers: [10] 10,89 unequal: No Solution Exploring Operation: 97+107=204, Resulting Numbers: [204] 204,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[13, 3], Operations: ['27+70=97', '97-94=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,89 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,89 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,89 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: 89:[27, 70, 81], Operations: ['94-13=81'] Exploring Operation: 27+81=108, Resulting Numbers: [70, 108] Generated Node #0,3,0: 89:[70, 108] Operation: 27+81=108 Exploring Operation: 81-27=54, Resulting Numbers: [70, 54] Generated Node #0,3,1: 89:[70, 54] Operation: 81-27=54 Exploring Operation: 70-27=43, Resulting Numbers: [81, 43] Generated Node #0,3,2: 89:[81, 43] Operation: 70-27=43 Exploring Operation: 27+70=97, Resulting Numbers: [81, 97] Generated Node #0,3,3: 89:[81, 97] Operation: 27+70=97 Exploring Operation: 81/27=3, Resulting Numbers: [70, 3] Generated Node #0,3,4: 89:[70, 3] Operation: 81/27=3 Moving to Node #0,4 Current State: 89:[27, 70, 107], Operations: ['13+94=107'] Exploring Operation: 107-70=37, Resulting Numbers: [27, 37] Generated Node #0,4,0: 89:[27, 37] Operation: 107-70=37 Exploring Operation: 27+107=134, Resulting Numbers: [70, 134] Generated Node #0,4,1: 89:[70, 134] Operation: 27+107=134 Exploring Operation: 107-27=80, Resulting Numbers: [70, 80] Generated Node #0,4,2: 89:[70, 80] Operation: 107-27=80 Exploring Operation: 27+70=97, Resulting Numbers: [107, 97] Generated Node #0,4,3: 89:[107, 97] Operation: 27+70=97 Exploring Operation: 70-27=43, Resulting Numbers: [107, 43] Generated Node #0,4,4: 89:[107, 43] Operation: 70-27=43 Moving to Node #0,3,3 Current State: 89:[81, 97], Operations: ['94-13=81', '27+70=97'] Exploring Operation: 81+97=178, Resulting Numbers: [178] 178,89 unequal: No Solution Exploring Operation: 81*97=7857, Resulting Numbers: [7857] 7857,89 unequal: No Solution Exploring Operation: 97-81=16, Resulting Numbers: [16] 16,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[94, 110], Operations: ['13+27=40', '70+40=110'] Exploring Operation: 94+110=204, Resulting Numbers: [204] 204,89 unequal: No Solution Exploring Operation: 94*110=10340, Resulting Numbers: [10340] 10340,89 unequal: No Solution Exploring Operation: 110-94=16, Resulting Numbers: [16] 16,89 unequal: No Solution Moving to Node #0,4,3 Current State: 89:[107, 97], Operations: ['13+94=107', '27+70=97'] Exploring Operation: 107*97=10379, Resulting Numbers: [10379] 10379,89 unequal: No Solution Exploring Operation: 107+97=204, Resulting Numbers: [204] 204,89 unequal: No Solution Exploring Operation: 107-97=10, Resulting Numbers: [10] 10,89 unequal: No Solution Moving to Node #0,4,2 Current State: 89:[70, 80], Operations: ['13+94=107', '107-27=80'] Exploring Operation: 70+80=150, Resulting Numbers: [150] 150,89 unequal: No Solution Exploring Operation: 80-70=10, Resulting Numbers: [10] 10,89 unequal: No Solution Exploring Operation: 70*80=5600, Resulting Numbers: [5600] 5600,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[70, 108], Operations: ['94-13=81', '27+81=108'] Exploring Operation: 70*108=7560, Resulting Numbers: [7560] 7560,89 unequal: No Solution Exploring Operation: 108-70=38, Resulting Numbers: [38] 38,89 unequal: No Solution Exploring Operation: 70+108=178, Resulting Numbers: [178] 178,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[70, 54], Operations: ['13+27=40', '94-40=54'] Exploring Operation: 70*54=3780, Resulting Numbers: [3780] 3780,89 unequal: No Solution Exploring Operation: 70+54=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,89 unequal: No Solution Moving to Node #0,3,1 Current State: 89:[70, 54], Operations: ['94-13=81', '81-27=54'] Exploring Operation: 70-54=16, Resulting Numbers: [16] 16,89 unequal: No Solution Exploring Operation: 70+54=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 70*54=3780, Resulting Numbers: [3780] 3780,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[81, 43], Operations: ['94-13=81', '70-27=43'] Exploring Operation: 81-43=38, Resulting Numbers: [38] 38,89 unequal: No Solution Exploring Operation: 81+43=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 81*43=3483, Resulting Numbers: [3483] 3483,89 unequal: No Solution Moving to Node #0,4,1 Current State: 89:[70, 134], Operations: ['13+94=107', '27+107=134'] Exploring Operation: 134-70=64, Resulting Numbers: [64] 64,89 unequal: No Solution Exploring Operation: 70*134=9380, Resulting Numbers: [9380] 9380,89 unequal: No Solution Exploring Operation: 70+134=204, Resulting Numbers: [204] 204,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[94, 30], Operations: ['13+27=40', '70-40=30'] Exploring Operation: 94-30=64, Resulting Numbers: [64] 64,89 unequal: No Solution Exploring Operation: 94+30=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 94*30=2820, Resulting Numbers: [2820] 2820,89 unequal: No Solution Moving to Node #0,4,4 Current State: 89:[107, 43], Operations: ['13+94=107', '70-27=43'] Exploring Operation: 107*43=4601, Resulting Numbers: [4601] 4601,89 unequal: No Solution Exploring Operation: 107+43=150, Resulting Numbers: [150] 150,89 unequal: No Solution Exploring Operation: 107-43=64, Resulting Numbers: [64] 64,89 unequal: No Solution Moving to Node #0,1,4 Current State: 89:[70, 134], Operations: ['13+27=40', '94+40=134'] Exploring Operation: 134-70=64, Resulting Numbers: [64] 64,89 unequal: No Solution Exploring Operation: 70+134=204, Resulting Numbers: [204] 204,89 unequal: No Solution Exploring Operation: 70*134=9380, Resulting Numbers: [9380] 9380,89 unequal: No Solution Moving to Node #0,3,4 Current State: 89:[70, 3], Operations: ['94-13=81', '81/27=3'] Exploring Operation: 70+3=73, Resulting Numbers: [73] 73,89 unequal: No Solution Exploring Operation: 70*3=210, Resulting Numbers: [210] 210,89 unequal: No Solution Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,89 unequal: No Solution Moving to Node #0,4,0 Current State: 89:[27, 37], Operations: ['13+94=107', '107-70=37'] Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,89 unequal: No Solution Exploring Operation: 27*37=999, Resulting Numbers: [999] 999,89 unequal: No Solution Exploring Operation: 27+37=64, Resulting Numbers: [64] 64,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[40, 24], Operations: ['13+27=40', '94-70=24'] Exploring Operation: 40+24=64, Resulting Numbers: [64] 64,89 unequal: No Solution Exploring Operation: 40*24=960, Resulting Numbers: [960] 960,89 unequal: No Solution Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,89 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 5, 16, 7, 10 ]
95
[ "16-7=9", "10+9=19", "5*19=95" ]
Current State: 95:[5, 16, 7, 10], Operations: [] Exploring Operation: 16-7=9, Resulting Numbers: [5, 10, 9] Generated Node #2: [5, 10, 9] from Operation: 16-7=9 Current State: 95:[5, 10, 9], Operations: ['16-7=9'] Exploring Operation: 10+9=19, Resulting Numbers: [5, 19] Generated Node #3: [5, 19] from Operation: 10+9=19 Current State: 95:[5, 19], Operations: ['16-7=9', '10+9=19'] Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[5, 16, 7, 10], Operations: [] Exploring Operation: 16-10=6, Resulting Numbers: [5, 7, 6] Generated Node #0,0: 95:[5, 7, 6] Operation: 16-10=6 Exploring Operation: 10-5=5, Resulting Numbers: [16, 7, 5] Generated Node #0,1: 95:[16, 7, 5] Operation: 10-5=5 Moving to Node #0,0 Current State: 95:[5, 7, 6], Operations: ['16-10=6'] Exploring Operation: 7-6=1, Resulting Numbers: [5, 1] Generated Node #0,0,0: 95:[5, 1] Operation: 7-6=1 Exploring Operation: 7-5=2, Resulting Numbers: [6, 2] Generated Node #0,0,1: 95:[6, 2] Operation: 7-5=2 Moving to Node #0,1 Current State: 95:[16, 7, 5], Operations: ['10-5=5'] Exploring Operation: 16+7=23, Resulting Numbers: [5, 23] Generated Node #0,1,0: 95:[5, 23] Operation: 16+7=23 Exploring Operation: 16-7=9, Resulting Numbers: [5, 9] Generated Node #0,1,1: 95:[5, 9] Operation: 16-7=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[5, 23], Operations: ['10-5=5', '16+7=23'] Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,95 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,95 unequal: No Solution No 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: 95:[5, 9], Operations: ['10-5=5', '16-7=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,95 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,95 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: 95:[5, 1], Operations: ['16-10=6', '7-6=1'] Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[6, 2], Operations: ['16-10=6', '7-5=2'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,95 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 6, 3, 32, 91 ]
41
[ "6*3=18", "91-32=59", "59-18=41" ]
Current State: 41:[6, 3, 32, 91], Operations: [] Exploring Operation: 6*3=18, Resulting Numbers: [32, 91, 18] Generated Node #2: [32, 91, 18] from Operation: 6*3=18 Current State: 41:[32, 91, 18], Operations: ['6*3=18'] Exploring Operation: 91-32=59, Resulting Numbers: [18, 59] Generated Node #3: [18, 59] from Operation: 91-32=59 Current State: 41:[18, 59], Operations: ['6*3=18', '91-32=59'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[6, 3, 32, 91], Operations: [] Exploring Operation: 6+3=9, Resulting Numbers: [32, 91, 9] Generated Node #0,0: 41:[32, 91, 9] Operation: 6+3=9 Exploring Operation: 6*3=18, Resulting Numbers: [32, 91, 18] Generated Node #0,1: 41:[32, 91, 18] Operation: 6*3=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[32, 91, 18], Operations: ['6*3=18'] Exploring Operation: 91-18=73, Resulting Numbers: [32, 73] Generated Node #0,1,0: 41:[32, 73] Operation: 91-18=73 Exploring Operation: 91-32=59, Resulting Numbers: [18, 59] Generated Node #0,1,1: 41:[18, 59] Operation: 91-32=59 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[32, 73], Operations: ['6*3=18', '91-18=73'] Exploring Operation: 32+73=105, Resulting Numbers: [105] 105,41 unequal: No Solution Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[6, 3, 32, 91], Operations: [] Exploring Operation: 6*3=18, Resulting Numbers: [32, 91, 18] Generated Node #0,1: 41:[32, 91, 18] Operation: 6*3=18 Moving to Node #0,1 Current State: 41:[32, 91, 18], Operations: ['6*3=18'] Exploring Operation: 91-18=73, Resulting Numbers: [32, 73] Generated Node #0,1,0: 41:[32, 73] Operation: 91-18=73 Moving to Node #0,1,0 Current State: 41:[32, 73], Operations: ['6*3=18', '91-18=73'] Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 62, 44, 66, 64 ]
27
[ "66-62=4", "44+64=108", "108/4=27" ]
Current State: 27:[62, 44, 66, 64], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [44, 64, 4] Generated Node #2: [44, 64, 4] from Operation: 66-62=4 Current State: 27:[44, 64, 4], Operations: ['66-62=4'] Exploring Operation: 44+64=108, Resulting Numbers: [4, 108] Generated Node #3: [4, 108] from Operation: 44+64=108 Current State: 27:[4, 108], Operations: ['66-62=4', '44+64=108'] Exploring Operation: 108/4=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[62, 44, 66, 64], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [44, 64, 4] Generated Node #0,0: 27:[44, 64, 4] Operation: 66-62=4 Exploring Operation: 66-44=22, Resulting Numbers: [62, 64, 22] Generated Node #0,1: 27:[62, 64, 22] Operation: 66-44=22 Exploring Operation: 64-44=20, Resulting Numbers: [62, 66, 20] Generated Node #0,2: 27:[62, 66, 20] Operation: 64-44=20 Exploring Operation: 64-62=2, Resulting Numbers: [44, 66, 2] Generated Node #0,3: 27:[44, 66, 2] Operation: 64-62=2 Exploring Operation: 66-64=2, Resulting Numbers: [62, 44, 2] Generated Node #0,4: 27:[62, 44, 2] Operation: 66-64=2 Start Sub Search at level 1: Moving to Node #0,4 Current State: 27:[62, 44, 2], Operations: ['66-64=2'] Exploring Operation: 44/2=22, Resulting Numbers: [62, 22] Generated Node #0,4,0: 27:[62, 22] Operation: 44/2=22 Exploring Operation: 44-2=42, Resulting Numbers: [62, 42] Generated Node #0,4,1: 27:[62, 42] Operation: 44-2=42 Exploring Operation: 62-2=60, Resulting Numbers: [44, 60] Generated Node #0,4,2: 27:[44, 60] Operation: 62-2=60 Exploring Operation: 62-44=18, Resulting Numbers: [2, 18] Generated Node #0,4,3: 27:[2, 18] Operation: 62-44=18 Exploring Operation: 62/2=31, Resulting Numbers: [44, 31] Generated Node #0,4,4: 27:[44, 31] Operation: 62/2=31 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 27:[2, 18], Operations: ['66-64=2', '62-44=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,27 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,27 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 27:[44, 31], Operations: ['66-64=2', '62/2=31'] Exploring Operation: 44*31=1364, Resulting Numbers: [1364] 1364,27 unequal: No Solution Exploring Operation: 44+31=75, Resulting Numbers: [75] 75,27 unequal: No Solution Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 27:[62, 22], Operations: ['66-64=2', '44/2=22'] Exploring Operation: 62-22=40, Resulting Numbers: [40] 40,27 unequal: No Solution Exploring Operation: 62*22=1364, Resulting Numbers: [1364] 1364,27 unequal: No Solution Exploring Operation: 62+22=84, Resulting Numbers: [84] 84,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 27:[62, 42], Operations: ['66-64=2', '44-2=42'] Exploring Operation: 62*42=2604, Resulting Numbers: [2604] 2604,27 unequal: No Solution Exploring Operation: 62+42=104, Resulting Numbers: [104] 104,27 unequal: No Solution Exploring Operation: 62-42=20, Resulting Numbers: [20] 20,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 27:[44, 60], Operations: ['66-64=2', '62-2=60'] Exploring Operation: 44*60=2640, Resulting Numbers: [2640] 2640,27 unequal: No Solution Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 44+60=104, Resulting Numbers: [104] 104,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[44, 64, 4], Operations: ['66-62=4'] Exploring Operation: 64-44=20, Resulting Numbers: [4, 20] Generated Node #0,0,0: 27:[4, 20] Operation: 64-44=20 Exploring Operation: 64/4=16, Resulting Numbers: [44, 16] Generated Node #0,0,1: 27:[44, 16] Operation: 64/4=16 Exploring Operation: 44/4=11, Resulting Numbers: [64, 11] Generated Node #0,0,2: 27:[64, 11] Operation: 44/4=11 Exploring Operation: 64-4=60, Resulting Numbers: [44, 60] Generated Node #0,0,3: 27:[44, 60] Operation: 64-4=60 Exploring Operation: 44-4=40, Resulting Numbers: [64, 40] Generated Node #0,0,4: 27:[64, 40] Operation: 44-4=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[4, 20], Operations: ['66-62=4', '64-44=20'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,27 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[44, 16], Operations: ['66-62=4', '64/4=16'] Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,27 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,27 unequal: No Solution Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[64, 11], Operations: ['66-62=4', '44/4=11'] Exploring Operation: 64*11=704, Resulting Numbers: [704] 704,27 unequal: No Solution Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,27 unequal: No Solution Exploring Operation: 64+11=75, Resulting Numbers: [75] 75,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 27:[44, 60], Operations: ['66-62=4', '64-4=60'] Exploring Operation: 44*60=2640, Resulting Numbers: [2640] 2640,27 unequal: No Solution Exploring Operation: 44+60=104, Resulting Numbers: [104] 104,27 unequal: No Solution Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 27:[64, 40], Operations: ['66-62=4', '44-4=40'] Exploring Operation: 64+40=104, Resulting Numbers: [104] 104,27 unequal: No Solution Exploring Operation: 64*40=2560, Resulting Numbers: [2560] 2560,27 unequal: No Solution Exploring Operation: 64-40=24, Resulting Numbers: [24] 24,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 27:[44, 66, 2], Operations: ['64-62=2'] Exploring Operation: 44/2=22, Resulting Numbers: [66, 22] Generated Node #0,3,0: 27:[66, 22] Operation: 44/2=22 Exploring Operation: 66-44=22, Resulting Numbers: [2, 22] Generated Node #0,3,1: 27:[2, 22] Operation: 66-44=22 Exploring Operation: 66/2=33, Resulting Numbers: [44, 33] Generated Node #0,3,2: 27:[44, 33] Operation: 66/2=33 Exploring Operation: 66-2=64, Resulting Numbers: [44, 64] Generated Node #0,3,3: 27:[44, 64] Operation: 66-2=64 Exploring Operation: 44-2=42, Resulting Numbers: [66, 42] Generated Node #0,3,4: 27:[66, 42] Operation: 44-2=42 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 27:[2, 22], Operations: ['64-62=2', '66-44=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,27 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,27 unequal: No Solution Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 27:[44, 33], Operations: ['64-62=2', '66/2=33'] Exploring Operation: 44*33=1452, Resulting Numbers: [1452] 1452,27 unequal: No Solution Exploring Operation: 44+33=77, Resulting Numbers: [77] 77,27 unequal: No Solution Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 27:[66, 22], Operations: ['64-62=2', '44/2=22'] Exploring Operation: 66*22=1452, Resulting Numbers: [1452] 1452,27 unequal: No Solution Exploring Operation: 66+22=88, Resulting Numbers: [88] 88,27 unequal: No Solution Exploring Operation: 66-22=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 66/22=3, Resulting Numbers: [3] 3,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 27:[44, 64], Operations: ['64-62=2', '66-2=64'] Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 44*64=2816, Resulting Numbers: [2816] 2816,27 unequal: No Solution Exploring Operation: 44+64=108, Resulting Numbers: [108] 108,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 27:[66, 42], Operations: ['64-62=2', '44-2=42'] Exploring Operation: 66*42=2772, Resulting Numbers: [2772] 2772,27 unequal: No Solution Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,27 unequal: No Solution Exploring Operation: 66+42=108, Resulting Numbers: [108] 108,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[62, 64, 22], Operations: ['66-44=22'] Exploring Operation: 64-62=2, Resulting Numbers: [22, 2] Generated Node #0,1,0: 27:[22, 2] Operation: 64-62=2 Exploring Operation: 62-22=40, Resulting Numbers: [64, 40] Generated Node #0,1,1: 27:[64, 40] Operation: 62-22=40 Exploring Operation: 64+22=86, Resulting Numbers: [62, 86] Generated Node #0,1,2: 27:[62, 86] Operation: 64+22=86 Exploring Operation: 62+22=84, Resulting Numbers: [64, 84] Generated Node #0,1,3: 27:[64, 84] Operation: 62+22=84 Exploring Operation: 64-22=42, Resulting Numbers: [62, 42] Generated Node #0,1,4: 27:[62, 42] Operation: 64-22=42 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[22, 2], Operations: ['66-44=22', '64-62=2'] Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,27 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,27 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[64, 40], Operations: ['66-44=22', '62-22=40'] Exploring Operation: 64+40=104, Resulting Numbers: [104] 104,27 unequal: No Solution Exploring Operation: 64-40=24, Resulting Numbers: [24] 24,27 unequal: No Solution Exploring Operation: 64*40=2560, Resulting Numbers: [2560] 2560,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 27:[62, 42], Operations: ['66-44=22', '64-22=42'] Exploring Operation: 62-42=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 62+42=104, Resulting Numbers: [104] 104,27 unequal: No Solution Exploring Operation: 62*42=2604, Resulting Numbers: [2604] 2604,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 27:[62, 86], Operations: ['66-44=22', '64+22=86'] Exploring Operation: 62*86=5332, Resulting Numbers: [5332] 5332,27 unequal: No Solution Exploring Operation: 86-62=24, Resulting Numbers: [24] 24,27 unequal: No Solution Exploring Operation: 62+86=148, Resulting Numbers: [148] 148,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 27:[64, 84], Operations: ['66-44=22', '62+22=84'] Exploring Operation: 64*84=5376, Resulting Numbers: [5376] 5376,27 unequal: No Solution Exploring Operation: 64+84=148, Resulting Numbers: [148] 148,27 unequal: No Solution Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[62, 66, 20], Operations: ['64-44=20'] Exploring Operation: 66-20=46, Resulting Numbers: [62, 46] Generated Node #0,2,0: 27:[62, 46] Operation: 66-20=46 Exploring Operation: 66+20=86, Resulting Numbers: [62, 86] Generated Node #0,2,1: 27:[62, 86] Operation: 66+20=86 Exploring Operation: 62+20=82, Resulting Numbers: [66, 82] Generated Node #0,2,2: 27:[66, 82] Operation: 62+20=82 Exploring Operation: 66-62=4, Resulting Numbers: [20, 4] Generated Node #0,2,3: 27:[20, 4] Operation: 66-62=4 Exploring Operation: 62-20=42, Resulting Numbers: [66, 42] Generated Node #0,2,4: 27:[66, 42] Operation: 62-20=42 Moving to Node #0,2,3 Current State: 27:[20, 4], Operations: ['64-44=20', '66-62=4'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,27 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,27 unequal: No Solution Moving to Node #0,2,4 Current State: 27:[66, 42], Operations: ['64-44=20', '62-20=42'] Exploring Operation: 66*42=2772, Resulting Numbers: [2772] 2772,27 unequal: No Solution Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,27 unequal: No Solution Exploring Operation: 66+42=108, Resulting Numbers: [108] 108,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[62, 46], Operations: ['64-44=20', '66-20=46'] Exploring Operation: 62+46=108, Resulting Numbers: [108] 108,27 unequal: No Solution Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 62*46=2852, Resulting Numbers: [2852] 2852,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[62, 86], Operations: ['64-44=20', '66+20=86'] Exploring Operation: 62*86=5332, Resulting Numbers: [5332] 5332,27 unequal: No Solution Exploring Operation: 62+86=148, Resulting Numbers: [148] 148,27 unequal: No Solution Exploring Operation: 86-62=24, Resulting Numbers: [24] 24,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[66, 82], Operations: ['64-44=20', '62+20=82'] Exploring Operation: 66*82=5412, Resulting Numbers: [5412] 5412,27 unequal: No Solution Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 66+82=148, Resulting Numbers: [148] 148,27 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
[ 6, 14, 21, 59 ]
88
[ "14-6=8", "21+59=80", "8+80=88" ]
Current State: 88:[6, 14, 21, 59], Operations: [] Exploring Operation: 14-6=8, Resulting Numbers: [21, 59, 8] Generated Node #2: [21, 59, 8] from Operation: 14-6=8 Current State: 88:[21, 59, 8], Operations: ['14-6=8'] Exploring Operation: 21+59=80, Resulting Numbers: [8, 80] Generated Node #3: [8, 80] from Operation: 21+59=80 Current State: 88:[8, 80], Operations: ['14-6=8', '21+59=80'] Exploring Operation: 8+80=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[6, 14, 21, 59], Operations: [] Exploring Operation: 59-14=45, Resulting Numbers: [6, 21, 45] Generated Node #0,0: 88:[6, 21, 45] Operation: 59-14=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[6, 21, 45], Operations: ['59-14=45'] Exploring Operation: 45-21=24, Resulting Numbers: [6, 24] Generated Node #0,0,0: 88:[6, 24] Operation: 45-21=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[6, 24], Operations: ['59-14=45', '45-21=24'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 39, 42, 47, 9 ]
25
[ "39+42=81", "47+9=56", "81-56=25" ]
Current State: 25:[39, 42, 47, 9], Operations: [] Exploring Operation: 39+42=81, Resulting Numbers: [47, 9, 81] Generated Node #2: [47, 9, 81] from Operation: 39+42=81 Current State: 25:[47, 9, 81], Operations: ['39+42=81'] Exploring Operation: 47+9=56, Resulting Numbers: [81, 56] Generated Node #3: [81, 56] from Operation: 47+9=56 Current State: 25:[81, 56], Operations: ['39+42=81', '47+9=56'] Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[39, 42, 47, 9], Operations: [] Exploring Operation: 47-39=8, Resulting Numbers: [42, 9, 8] Generated Node #0,0: 25:[42, 9, 8] Operation: 47-39=8 Exploring Operation: 42-39=3, Resulting Numbers: [47, 9, 3] Generated Node #0,1: 25:[47, 9, 3] Operation: 42-39=3 Exploring Operation: 39-9=30, Resulting Numbers: [42, 47, 30] Generated Node #0,2: 25:[42, 47, 30] Operation: 39-9=30 Exploring Operation: 47-42=5, Resulting Numbers: [39, 9, 5] Generated Node #0,3: 25:[39, 9, 5] Operation: 47-42=5 Moving to Node #0,3 Current State: 25:[39, 9, 5], Operations: ['47-42=5'] Exploring Operation: 39+9=48, Resulting Numbers: [5, 48] Generated Node #0,3,0: 25:[5, 48] Operation: 39+9=48 Exploring Operation: 39-9=30, Resulting Numbers: [5, 30] Generated Node #0,3,1: 25:[5, 30] Operation: 39-9=30 Exploring Operation: 39-5=34, Resulting Numbers: [9, 34] Generated Node #0,3,2: 25:[9, 34] Operation: 39-5=34 Exploring Operation: 9-5=4, Resulting Numbers: [39, 4] Generated Node #0,3,3: 25:[39, 4] Operation: 9-5=4 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 25:[5, 30], Operations: ['47-42=5', '39-9=30'] Exploring Operation: 5*30=150, Resulting Numbers: [150] 150,25 unequal: No Solution Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[39, 42, 47, 9], Operations: [] Exploring Operation: 47-42=5, Resulting Numbers: [39, 9, 5] Generated Node #0,3: 25:[39, 9, 5] Operation: 47-42=5 Moving to Node #0,3 Current State: 25:[39, 9, 5], Operations: ['47-42=5'] Exploring Operation: 39-9=30, Resulting Numbers: [5, 30] Generated Node #0,3,1: 25:[5, 30] Operation: 39-9=30 Moving to Node #0,3,1 Current State: 25:[5, 30], Operations: ['47-42=5', '39-9=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 38, 33, 66, 21 ]
44
[ "66-38=28", "33*28=924", "924/21=44" ]
Current State: 44:[38, 33, 66, 21], Operations: [] Exploring Operation: 66-38=28, Resulting Numbers: [33, 21, 28] Generated Node #2: [33, 21, 28] from Operation: 66-38=28 Current State: 44:[33, 21, 28], Operations: ['66-38=28'] Exploring Operation: 33*28=924, Resulting Numbers: [21, 924] Generated Node #3: [21, 924] from Operation: 33*28=924 Current State: 44:[21, 924], Operations: ['66-38=28', '33*28=924'] Exploring Operation: 924/21=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[38, 33, 66, 21], Operations: [] Exploring Operation: 66/33=2, Resulting Numbers: [38, 21, 2] Generated Node #0,0: 44:[38, 21, 2] Operation: 66/33=2 Exploring Operation: 66-38=28, Resulting Numbers: [33, 21, 28] Generated Node #0,1: 44:[33, 21, 28] Operation: 66-38=28 Exploring Operation: 66-33=33, Resulting Numbers: [38, 21, 33] Generated Node #0,2: 44:[38, 21, 33] Operation: 66-33=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[38, 21, 2], Operations: ['66/33=2'] Exploring Operation: 38/2=19, Resulting Numbers: [21, 19] Generated Node #0,0,0: 44:[21, 19] Operation: 38/2=19 Exploring Operation: 38+2=40, Resulting Numbers: [21, 40] Generated Node #0,0,1: 44:[21, 40] Operation: 38+2=40 Exploring Operation: 38-21=17, Resulting Numbers: [2, 17] Generated Node #0,0,2: 44:[2, 17] Operation: 38-21=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 44:[21, 19], Operations: ['66/33=2', '38/2=19'] Exploring Operation: 21-19=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 21*19=399, Resulting Numbers: [399] 399,44 unequal: No Solution Exploring Operation: 21+19=40, Resulting Numbers: [40] 40,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 44:[21, 40], Operations: ['66/33=2', '38+2=40'] Exploring Operation: 21*40=840, Resulting Numbers: [840] 840,44 unequal: No Solution Exploring Operation: 21+40=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 44:[2, 17], Operations: ['66/33=2', '38-21=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,44 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,44 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,44 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: 44:[33, 21, 28], Operations: ['66-38=28'] Exploring Operation: 33-21=12, Resulting Numbers: [28, 12] Generated Node #0,1,0: 44:[28, 12] Operation: 33-21=12 Exploring Operation: 33-28=5, Resulting Numbers: [21, 5] Generated Node #0,1,1: 44:[21, 5] Operation: 33-28=5 Exploring Operation: 28-21=7, Resulting Numbers: [33, 7] Generated Node #0,1,2: 44:[33, 7] Operation: 28-21=7 Moving to Node #0,1,1 Current State: 44:[21, 5], Operations: ['66-38=28', '33-28=5'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[28, 12], Operations: ['66-38=28', '33-21=12'] Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,44 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[33, 7], Operations: ['66-38=28', '28-21=7'] Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,44 unequal: No Solution Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 33*7=231, Resulting Numbers: [231] 231,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[38, 21, 33], Operations: ['66-33=33'] Exploring Operation: 33-21=12, Resulting Numbers: [38, 12] Generated Node #0,2,0: 44:[38, 12] Operation: 33-21=12 Exploring Operation: 38-33=5, Resulting Numbers: [21, 5] Generated Node #0,2,1: 44:[21, 5] Operation: 38-33=5 Exploring Operation: 38-21=17, Resulting Numbers: [33, 17] Generated Node #0,2,2: 44:[33, 17] Operation: 38-21=17 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 44:[21, 5], Operations: ['66-33=33', '38-33=5'] Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,44 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 44:[38, 12], Operations: ['66-33=33', '33-21=12'] Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,44 unequal: No Solution Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,44 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 44:[33, 17], Operations: ['66-33=33', '38-21=17'] Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,44 unequal: No Solution Exploring Operation: 33*17=561, Resulting Numbers: [561] 561,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 26, 90, 32, 30 ]
82
[ "30-26=4", "32/4=8", "90-8=82" ]
Current State: 82:[26, 90, 32, 30], Operations: [] Exploring Operation: 30-26=4, Resulting Numbers: [90, 32, 4] Generated Node #2: [90, 32, 4] from Operation: 30-26=4 Current State: 82:[90, 32, 4], Operations: ['30-26=4'] Exploring Operation: 32/4=8, Resulting Numbers: [90, 8] Generated Node #3: [90, 8] from Operation: 32/4=8 Current State: 82:[90, 8], Operations: ['30-26=4', '32/4=8'] Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[26, 90, 32, 30], Operations: [] Exploring Operation: 30-26=4, Resulting Numbers: [90, 32, 4] Generated Node #0,0: 82:[90, 32, 4] Operation: 30-26=4 Exploring Operation: 32-30=2, Resulting Numbers: [26, 90, 2] Generated Node #0,1: 82:[26, 90, 2] Operation: 32-30=2 Exploring Operation: 32-26=6, Resulting Numbers: [90, 30, 6] Generated Node #0,2: 82:[90, 30, 6] Operation: 32-26=6 Moving to Node #0,0 Current State: 82:[90, 32, 4], Operations: ['30-26=4'] Exploring Operation: 90-4=86, Resulting Numbers: [32, 86] Generated Node #0,0,0: 82:[32, 86] Operation: 90-4=86 Exploring Operation: 32+4=36, Resulting Numbers: [90, 36] Generated Node #0,0,1: 82:[90, 36] Operation: 32+4=36 Exploring Operation: 32/4=8, Resulting Numbers: [90, 8] Generated Node #0,0,2: 82:[90, 8] Operation: 32/4=8 Moving to Node #0,1 Current State: 82:[26, 90, 2], Operations: ['32-30=2'] Exploring Operation: 26*2=52, Resulting Numbers: [90, 52] Generated Node #0,1,0: 82:[90, 52] Operation: 26*2=52 Exploring Operation: 90-26=64, Resulting Numbers: [2, 64] Generated Node #0,1,1: 82:[2, 64] Operation: 90-26=64 Exploring Operation: 26/2=13, Resulting Numbers: [90, 13] Generated Node #0,1,2: 82:[90, 13] Operation: 26/2=13 Moving to Node #0,2 Current State: 82:[90, 30, 6], Operations: ['32-26=6'] Exploring Operation: 30/6=5, Resulting Numbers: [90, 5] Generated Node #0,2,0: 82:[90, 5] Operation: 30/6=5 Exploring Operation: 90-6=84, Resulting Numbers: [30, 84] Generated Node #0,2,1: 82:[30, 84] Operation: 90-6=84 Exploring Operation: 90/30=3, Resulting Numbers: [6, 3] Generated Node #0,2,2: 82:[6, 3] Operation: 90/30=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 82:[6, 3], Operations: ['32-26=6', '90/30=3'] Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,82 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,82 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 #0,2,0 Current State: 82:[90, 5], Operations: ['32-26=6', '30/6=5'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,82 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,82 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 #0,2,1 Current State: 82:[30, 84], Operations: ['32-26=6', '90-6=84'] Exploring Operation: 30*84=2520, Resulting Numbers: [2520] 2520,82 unequal: No Solution Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 30+84=114, Resulting Numbers: [114] 114,82 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: 82:[32, 86], Operations: ['30-26=4', '90-4=86'] Exploring Operation: 32+86=118, Resulting Numbers: [118] 118,82 unequal: No Solution Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 32*86=2752, Resulting Numbers: [2752] 2752,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[90, 36], Operations: ['30-26=4', '32+4=36'] Exploring Operation: 90-36=54, Resulting Numbers: [54] 54,82 unequal: No Solution Exploring Operation: 90*36=3240, Resulting Numbers: [3240] 3240,82 unequal: No Solution Exploring Operation: 90+36=126, Resulting Numbers: [126] 126,82 unequal: No Solution Moving to Node #0,0,2 Current State: 82:[90, 8], Operations: ['30-26=4', '32/4=8'] Exploring Operation: 90+8=98, Resulting Numbers: [98] 98,82 unequal: No Solution Exploring Operation: 90*8=720, Resulting Numbers: [720] 720,82 unequal: No Solution Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[26, 90, 32, 30], Operations: [] Exploring Operation: 30-26=4, Resulting Numbers: [90, 32, 4] Generated Node #0,0: 82:[90, 32, 4] Operation: 30-26=4 Moving to Node #0,0 Current State: 82:[90, 32, 4], Operations: ['30-26=4'] Exploring Operation: 32/4=8, Resulting Numbers: [90, 8] Generated Node #0,0,2: 82:[90, 8] Operation: 32/4=8 Moving to Node #0,0,2 Current State: 82:[90, 8], Operations: ['30-26=4', '32/4=8'] Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.970486
hs_3
sum_heuristic
[ 29, 2, 9, 40 ]
18
[ "29+2=31", "9+40=49", "49-31=18" ]
Current State: 18:[29, 2, 9, 40], Operations: [] Exploring Operation: 29+2=31, Resulting Numbers: [9, 40, 31] Generated Node #2: [9, 40, 31] from Operation: 29+2=31 Current State: 18:[9, 40, 31], Operations: ['29+2=31'] Exploring Operation: 9+40=49, Resulting Numbers: [31, 49] Generated Node #3: [31, 49] from Operation: 9+40=49 Current State: 18:[31, 49], Operations: ['29+2=31', '9+40=49'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[29, 2, 9, 40], Operations: [] Exploring Operation: 40-29=11, Resulting Numbers: [2, 9, 11] Generated Node #0,0: 18:[2, 9, 11] Operation: 40-29=11 Exploring Operation: 40/2=20, Resulting Numbers: [29, 9, 20] Generated Node #0,1: 18:[29, 9, 20] Operation: 40/2=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[2, 9, 11], Operations: ['40-29=11'] Exploring Operation: 11-2=9, Resulting Numbers: [9, 9] Generated Node #0,0,0: 18:[9, 9] Operation: 11-2=9 Exploring Operation: 11-9=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 18:[2, 2] Operation: 11-9=2 Moving to Node #0,0,0 Current State: 18:[9, 9], Operations: ['40-29=11', '11-2=9'] Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[29, 2, 9, 40], Operations: [] Exploring Operation: 40-29=11, Resulting Numbers: [2, 9, 11] Generated Node #0,0: 18:[2, 9, 11] Operation: 40-29=11 Moving to Node #0,0 Current State: 18:[2, 9, 11], Operations: ['40-29=11'] Exploring Operation: 11-2=9, Resulting Numbers: [9, 9] Generated Node #0,0,0: 18:[9, 9] Operation: 11-2=9 Moving to Node #0,0,0 Current State: 18:[9, 9], Operations: ['40-29=11', '11-2=9'] Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 96, 56, 2, 30 ]
20
[ "96-56=40", "2*30=60", "60-40=20" ]
Current State: 20:[96, 56, 2, 30], Operations: [] Exploring Operation: 96-56=40, Resulting Numbers: [2, 30, 40] Generated Node #2: [2, 30, 40] from Operation: 96-56=40 Current State: 20:[2, 30, 40], Operations: ['96-56=40'] Exploring Operation: 2*30=60, Resulting Numbers: [40, 60] Generated Node #3: [40, 60] from Operation: 2*30=60 Current State: 20:[40, 60], Operations: ['96-56=40', '2*30=60'] Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[96, 56, 2, 30], Operations: [] Exploring Operation: 96-56=40, Resulting Numbers: [2, 30, 40] Generated Node #0,0: 20:[2, 30, 40] Operation: 96-56=40 Exploring Operation: 96-30=66, Resulting Numbers: [56, 2, 66] Generated Node #0,1: 20:[56, 2, 66] Operation: 96-30=66 Exploring Operation: 96/2=48, Resulting Numbers: [56, 30, 48] Generated Node #0,2: 20:[56, 30, 48] Operation: 96/2=48 Exploring Operation: 56-30=26, Resulting Numbers: [96, 2, 26] Generated Node #0,3: 20:[96, 2, 26] Operation: 56-30=26 Moving to Node #0,0 Current State: 20:[2, 30, 40], Operations: ['96-56=40'] Exploring Operation: 40-30=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 20:[2, 10] Operation: 40-30=10 Exploring Operation: 30/2=15, Resulting Numbers: [40, 15] Generated Node #0,0,1: 20:[40, 15] Operation: 30/2=15 Exploring Operation: 40/2=20, Resulting Numbers: [30, 20] Generated Node #0,0,2: 20:[30, 20] Operation: 40/2=20 Exploring Operation: 30-2=28, Resulting Numbers: [40, 28] Generated Node #0,0,3: 20:[40, 28] Operation: 30-2=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[2, 10], Operations: ['96-56=40', '40-30=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,20 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,20 unequal: No Solution Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[96, 56, 2, 30], Operations: [] Exploring Operation: 96-56=40, Resulting Numbers: [2, 30, 40] Generated Node #0,0: 20:[2, 30, 40] Operation: 96-56=40 Moving to Node #0,0 Current State: 20:[2, 30, 40], Operations: ['96-56=40'] Exploring Operation: 40-30=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 20:[2, 10] Operation: 40-30=10 Moving to Node #0,0,0 Current State: 20:[2, 10], Operations: ['96-56=40', '40-30=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 35, 55, 54, 26 ]
44
[ "54-26=28", "55*28=1540", "1540/35=44" ]
Current State: 44:[35, 55, 54, 26], Operations: [] Exploring Operation: 54-26=28, Resulting Numbers: [35, 55, 28] Generated Node #2: [35, 55, 28] from Operation: 54-26=28 Current State: 44:[35, 55, 28], Operations: ['54-26=28'] Exploring Operation: 55*28=1540, Resulting Numbers: [35, 1540] Generated Node #3: [35, 1540] from Operation: 55*28=1540 Current State: 44:[35, 1540], Operations: ['54-26=28', '55*28=1540'] Exploring Operation: 1540/35=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[35, 55, 54, 26], Operations: [] Exploring Operation: 55-26=29, Resulting Numbers: [35, 54, 29] Generated Node #0,0: 44:[35, 54, 29] Operation: 55-26=29 Exploring Operation: 35-26=9, Resulting Numbers: [55, 54, 9] Generated Node #0,1: 44:[55, 54, 9] Operation: 35-26=9 Exploring Operation: 55-35=20, Resulting Numbers: [54, 26, 20] Generated Node #0,2: 44:[54, 26, 20] Operation: 55-35=20 Exploring Operation: 54-35=19, Resulting Numbers: [55, 26, 19] Generated Node #0,3: 44:[55, 26, 19] Operation: 54-35=19 Exploring Operation: 55-54=1, Resulting Numbers: [35, 26, 1] Generated Node #0,4: 44:[35, 26, 1] Operation: 55-54=1 Moving to Node #0,4 Current State: 44:[35, 26, 1], Operations: ['55-54=1'] Exploring Operation: 35+1=36, Resulting Numbers: [26, 36] Generated Node #0,4,0: 44:[26, 36] Operation: 35+1=36 Exploring Operation: 35*1=35, Resulting Numbers: [26, 35] Generated Node #0,4,1: 44:[26, 35] Operation: 35*1=35 Exploring Operation: 35-26=9, Resulting Numbers: [1, 9] Generated Node #0,4,2: 44:[1, 9] Operation: 35-26=9 Exploring Operation: 26-1=25, Resulting Numbers: [35, 25] Generated Node #0,4,3: 44:[35, 25] Operation: 26-1=25 Exploring Operation: 35/1=35, Resulting Numbers: [26, 35] Generated Node #0,4,4: 44:[26, 35] Operation: 35/1=35 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 44:[1, 9], Operations: ['55-54=1', '35-26=9'] Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 44:[26, 36], Operations: ['55-54=1', '35+1=36'] Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,44 unequal: No Solution Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,44 unequal: No Solution Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 44:[35, 25], Operations: ['55-54=1', '26-1=25'] Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 44:[26, 35], Operations: ['55-54=1', '35*1=35'] Exploring Operation: 26*35=910, Resulting Numbers: [910] 910,44 unequal: No Solution Exploring Operation: 26+35=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 44:[26, 35], Operations: ['55-54=1', '35/1=35'] Exploring Operation: 26*35=910, Resulting Numbers: [910] 910,44 unequal: No Solution Exploring Operation: 26+35=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,44 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: 44:[54, 26, 20], Operations: ['55-35=20'] Exploring Operation: 54-20=34, Resulting Numbers: [26, 34] Generated Node #0,2,0: 44:[26, 34] Operation: 54-20=34 Exploring Operation: 54+20=74, Resulting Numbers: [26, 74] Generated Node #0,2,1: 44:[26, 74] Operation: 54+20=74 Exploring Operation: 26+20=46, Resulting Numbers: [54, 46] Generated Node #0,2,2: 44:[54, 46] Operation: 26+20=46 Exploring Operation: 54-26=28, Resulting Numbers: [20, 28] Generated Node #0,2,3: 44:[20, 28] Operation: 54-26=28 Exploring Operation: 26-20=6, Resulting Numbers: [54, 6] Generated Node #0,2,4: 44:[54, 6] Operation: 26-20=6 Moving to Node #0,3 Current State: 44:[55, 26, 19], Operations: ['54-35=19'] Exploring Operation: 55+19=74, Resulting Numbers: [26, 74] Generated Node #0,3,0: 44:[26, 74] Operation: 55+19=74 Exploring Operation: 26-19=7, Resulting Numbers: [55, 7] Generated Node #0,3,1: 44:[55, 7] Operation: 26-19=7 Exploring Operation: 55-19=36, Resulting Numbers: [26, 36] Generated Node #0,3,2: 44:[26, 36] Operation: 55-19=36 Exploring Operation: 55-26=29, Resulting Numbers: [19, 29] Generated Node #0,3,3: 44:[19, 29] Operation: 55-26=29 Exploring Operation: 26+19=45, Resulting Numbers: [55, 45] Generated Node #0,3,4: 44:[55, 45] Operation: 26+19=45 Moving to Node #0,1 Current State: 44:[55, 54, 9], Operations: ['35-26=9'] Exploring Operation: 54-9=45, Resulting Numbers: [55, 45] Generated Node #0,1,0: 44:[55, 45] Operation: 54-9=45 Exploring Operation: 55-54=1, Resulting Numbers: [9, 1] Generated Node #0,1,1: 44:[9, 1] Operation: 55-54=1 Exploring Operation: 55-9=46, Resulting Numbers: [54, 46] Generated Node #0,1,2: 44:[54, 46] Operation: 55-9=46 Exploring Operation: 55+9=64, Resulting Numbers: [54, 64] Generated Node #0,1,3: 44:[54, 64] Operation: 55+9=64 Exploring Operation: 54/9=6, Resulting Numbers: [55, 6] Generated Node #0,1,4: 44:[55, 6] Operation: 54/9=6 Moving to Node #0,0 Current State: 44:[35, 54, 29], Operations: ['55-26=29'] Exploring Operation: 54-29=25, Resulting Numbers: [35, 25] Generated Node #0,0,0: 44:[35, 25] Operation: 54-29=25 Exploring Operation: 54-35=19, Resulting Numbers: [29, 19] Generated Node #0,0,1: 44:[29, 19] Operation: 54-35=19 Exploring Operation: 35+29=64, Resulting Numbers: [54, 64] Generated Node #0,0,2: 44:[54, 64] Operation: 35+29=64 Exploring Operation: 35-29=6, Resulting Numbers: [54, 6] Generated Node #0,0,3: 44:[54, 6] Operation: 35-29=6 Exploring Operation: 54+29=83, Resulting Numbers: [35, 83] Generated Node #0,0,4: 44:[35, 83] Operation: 54+29=83 Moving to Node #0,1,1 Current State: 44:[9, 1], Operations: ['35-26=9', '55-54=1'] Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,44 unequal: No Solution Moving to Node #0,2,3 Current State: 44:[20, 28], Operations: ['55-35=20', '54-26=28'] Exploring Operation: 20*28=560, Resulting Numbers: [560] 560,44 unequal: No Solution Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,44 unequal: No Solution Exploring Operation: 20+28=48, Resulting Numbers: [48] 48,44 unequal: No Solution Moving to Node #0,3,3 Current State: 44:[19, 29], Operations: ['54-35=19', '55-26=29'] Exploring Operation: 19*29=551, Resulting Numbers: [551] 551,44 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 19+29=48, Resulting Numbers: [48] 48,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[29, 19], Operations: ['55-26=29', '54-35=19'] Exploring Operation: 29+19=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 29*19=551, Resulting Numbers: [551] 551,44 unequal: No Solution Moving to Node #0,3,2 Current State: 44:[26, 36], Operations: ['54-35=19', '55-19=36'] Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,44 unequal: No Solution Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,44 unequal: No Solution Moving to Node #0,2,4 Current State: 44:[54, 6], Operations: ['55-35=20', '26-20=6'] Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 54+6=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 54*6=324, Resulting Numbers: [324] 324,44 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[54, 46], Operations: ['35-26=9', '55-9=46'] Exploring Operation: 54*46=2484, Resulting Numbers: [2484] 2484,44 unequal: No Solution Exploring Operation: 54+46=100, Resulting Numbers: [100] 100,44 unequal: No Solution Exploring Operation: 54-46=8, Resulting Numbers: [8] 8,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[35, 25], Operations: ['55-26=29', '54-29=25'] Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,44 unequal: No Solution Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[55, 45], Operations: ['35-26=9', '54-9=45'] Exploring Operation: 55-45=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 55+45=100, Resulting Numbers: [100] 100,44 unequal: No Solution Exploring Operation: 55*45=2475, Resulting Numbers: [2475] 2475,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[54, 46], Operations: ['55-35=20', '26+20=46'] Exploring Operation: 54-46=8, Resulting Numbers: [8] 8,44 unequal: No Solution Exploring Operation: 54*46=2484, Resulting Numbers: [2484] 2484,44 unequal: No Solution Exploring Operation: 54+46=100, Resulting Numbers: [100] 100,44 unequal: No Solution Moving to Node #0,0,3 Current State: 44:[54, 6], Operations: ['55-26=29', '35-29=6'] Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 54*6=324, Resulting Numbers: [324] 324,44 unequal: No Solution Exploring Operation: 54+6=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,44 unequal: No Solution Moving to Node #0,3,4 Current State: 44:[55, 45], Operations: ['54-35=19', '26+19=45'] Exploring Operation: 55-45=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 55+45=100, Resulting Numbers: [100] 100,44 unequal: No Solution Exploring Operation: 55*45=2475, Resulting Numbers: [2475] 2475,44 unequal: No Solution Moving to Node #0,1,4 Current State: 44:[55, 6], Operations: ['35-26=9', '54/9=6'] Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,44 unequal: No Solution Exploring Operation: 55+6=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 55*6=330, Resulting Numbers: [330] 330,44 unequal: No Solution Moving to Node #0,2,0 Current State: 44:[26, 34], Operations: ['55-35=20', '54-20=34'] Exploring Operation: 26*34=884, Resulting Numbers: [884] 884,44 unequal: No Solution Exploring Operation: 26+34=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,44 unequal: No Solution Moving to Node #0,3,1 Current State: 44:[55, 7], Operations: ['54-35=19', '26-19=7'] Exploring Operation: 55*7=385, Resulting Numbers: [385] 385,44 unequal: No Solution Exploring Operation: 55+7=62, Resulting Numbers: [62] 62,44 unequal: No Solution Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[54, 64], Operations: ['55-26=29', '35+29=64'] Exploring Operation: 64-54=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 54*64=3456, Resulting Numbers: [3456] 3456,44 unequal: No Solution Exploring Operation: 54+64=118, Resulting Numbers: [118] 118,44 unequal: No Solution Moving to Node #0,1,3 Current State: 44:[54, 64], Operations: ['35-26=9', '55+9=64'] Exploring Operation: 54+64=118, Resulting Numbers: [118] 118,44 unequal: No Solution Exploring Operation: 64-54=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 54*64=3456, Resulting Numbers: [3456] 3456,44 unequal: No Solution Moving to Node #0,3,0 Current State: 44:[26, 74], Operations: ['54-35=19', '55+19=74'] Exploring Operation: 26+74=100, Resulting Numbers: [100] 100,44 unequal: No Solution Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 26*74=1924, Resulting Numbers: [1924] 1924,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[26, 74], Operations: ['55-35=20', '54+20=74'] Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 26*74=1924, Resulting Numbers: [1924] 1924,44 unequal: No Solution Exploring Operation: 26+74=100, Resulting Numbers: [100] 100,44 unequal: No Solution Moving to Node #0,0,4 Current State: 44:[35, 83], Operations: ['55-26=29', '54+29=83'] Exploring Operation: 35+83=118, Resulting Numbers: [118] 118,44 unequal: No Solution Exploring Operation: 35*83=2905, Resulting Numbers: [2905] 2905,44 unequal: No Solution Exploring Operation: 83-35=48, Resulting Numbers: [48] 48,44 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 5, 17, 67, 44 ]
35
[ "17-5=12", "67-44=23", "12+23=35" ]
Current State: 35:[5, 17, 67, 44], Operations: [] Exploring Operation: 17-5=12, Resulting Numbers: [67, 44, 12] Generated Node #2: [67, 44, 12] from Operation: 17-5=12 Current State: 35:[67, 44, 12], Operations: ['17-5=12'] Exploring Operation: 67-44=23, Resulting Numbers: [12, 23] Generated Node #3: [12, 23] from Operation: 67-44=23 Current State: 35:[12, 23], Operations: ['17-5=12', '67-44=23'] Exploring Operation: 12+23=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[5, 17, 67, 44], Operations: [] Exploring Operation: 67-44=23, Resulting Numbers: [5, 17, 23] Generated Node #0,0: 35:[5, 17, 23] Operation: 67-44=23 Exploring Operation: 67-17=50, Resulting Numbers: [5, 44, 50] Generated Node #0,1: 35:[5, 44, 50] Operation: 67-17=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[5, 17, 23], Operations: ['67-44=23'] Exploring Operation: 23-17=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 35:[5, 6] Operation: 23-17=6 Exploring Operation: 17+23=40, Resulting Numbers: [5, 40] Generated Node #0,0,1: 35:[5, 40] Operation: 17+23=40 Moving to Node #0,0,0 Current State: 35:[5, 6], Operations: ['67-44=23', '23-17=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[5, 40], Operations: ['67-44=23', '17+23=40'] Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,35 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[5, 17, 67, 44], Operations: [] Exploring Operation: 67-44=23, Resulting Numbers: [5, 17, 23] Generated Node #0,0: 35:[5, 17, 23] Operation: 67-44=23 Moving to Node #0,0 Current State: 35:[5, 17, 23], Operations: ['67-44=23'] Exploring Operation: 17+23=40, Resulting Numbers: [5, 40] Generated Node #0,0,1: 35:[5, 40] Operation: 17+23=40 Moving to Node #0,0,1 Current State: 35:[5, 40], Operations: ['67-44=23', '17+23=40'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 75, 73, 32, 46 ]
76
[ "75-73=2", "32+46=78", "78-2=76" ]
Current State: 76:[75, 73, 32, 46], Operations: [] Exploring Operation: 75-73=2, Resulting Numbers: [32, 46, 2] Generated Node #2: [32, 46, 2] from Operation: 75-73=2 Current State: 76:[32, 46, 2], Operations: ['75-73=2'] Exploring Operation: 32+46=78, Resulting Numbers: [2, 78] Generated Node #3: [2, 78] from Operation: 32+46=78 Current State: 76:[2, 78], Operations: ['75-73=2', '32+46=78'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[75, 73, 32, 46], Operations: [] Exploring Operation: 46-32=14, Resulting Numbers: [75, 73, 14] Generated Node #0,0: 76:[75, 73, 14] Operation: 46-32=14 Exploring Operation: 32+46=78, Resulting Numbers: [75, 73, 78] Generated Node #0,1: 76:[75, 73, 78] Operation: 32+46=78 Exploring Operation: 73-32=41, Resulting Numbers: [75, 46, 41] Generated Node #0,2: 76:[75, 46, 41] Operation: 73-32=41 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[75, 73, 78], Operations: ['32+46=78'] Exploring Operation: 78-75=3, Resulting Numbers: [73, 3] Generated Node #0,1,0: 76:[73, 3] Operation: 78-75=3 Exploring Operation: 78-73=5, Resulting Numbers: [75, 5] Generated Node #0,1,1: 76:[75, 5] Operation: 78-73=5 Exploring Operation: 75-73=2, Resulting Numbers: [78, 2] Generated Node #0,1,2: 76:[78, 2] Operation: 75-73=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[75, 5], Operations: ['32+46=78', '78-73=5'] Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,76 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,76 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 76:[78, 2], Operations: ['32+46=78', '75-73=2'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[75, 73, 32, 46], Operations: [] Exploring Operation: 32+46=78, Resulting Numbers: [75, 73, 78] Generated Node #0,1: 76:[75, 73, 78] Operation: 32+46=78 Moving to Node #0,1 Current State: 76:[75, 73, 78], Operations: ['32+46=78'] Exploring Operation: 75-73=2, Resulting Numbers: [78, 2] Generated Node #0,1,2: 76:[78, 2] Operation: 75-73=2 Moving to Node #0,1,2 Current State: 76:[78, 2], Operations: ['32+46=78', '75-73=2'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 17, 87, 56, 56 ]
87
[ "56-56=0", "17*0=0", "87+0=87" ]
Current State: 87:[17, 87, 56, 56], Operations: [] Exploring Operation: 56-56=0, Resulting Numbers: [17, 87, 0] Generated Node #2: [17, 87, 0] from Operation: 56-56=0 Current State: 87:[17, 87, 0], Operations: ['56-56=0'] Exploring Operation: 17*0=0, Resulting Numbers: [87, 0] Generated Node #3: [87, 0] from Operation: 17*0=0 Current State: 87:[87, 0], Operations: ['56-56=0', '17*0=0'] Exploring Operation: 87+0=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[17, 87, 56, 56], Operations: [] Exploring Operation: 56-17=39, Resulting Numbers: [87, 56, 39] Generated Node #0,0: 87:[87, 56, 39] Operation: 56-17=39 Exploring Operation: 56-56=0, Resulting Numbers: [17, 87, 0] Generated Node #0,1: 87:[17, 87, 0] Operation: 56-56=0 Exploring Operation: 56/56=1, Resulting Numbers: [17, 87, 1] Generated Node #0,2: 87:[17, 87, 1] Operation: 56/56=1 Moving to Node #0,2 Current State: 87:[17, 87, 1], Operations: ['56/56=1'] Exploring Operation: 17/1=17, Resulting Numbers: [87, 17] Generated Node #0,2,0: 87:[87, 17] Operation: 17/1=17 Exploring Operation: 17+1=18, Resulting Numbers: [87, 18] Generated Node #0,2,1: 87:[87, 18] Operation: 17+1=18 Exploring Operation: 17*1=17, Resulting Numbers: [87, 17] Generated Node #0,2,2: 87:[87, 17] Operation: 17*1=17 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 87:[87, 18], Operations: ['56/56=1', '17+1=18'] Exploring Operation: 87*18=1566, Resulting Numbers: [1566] 1566,87 unequal: No Solution Exploring Operation: 87+18=105, Resulting Numbers: [105] 105,87 unequal: No Solution Exploring Operation: 87-18=69, Resulting Numbers: [69] 69,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 87:[87, 17], Operations: ['56/56=1', '17/1=17'] Exploring Operation: 87+17=104, Resulting Numbers: [104] 104,87 unequal: No Solution Exploring Operation: 87*17=1479, Resulting Numbers: [1479] 1479,87 unequal: No Solution Exploring Operation: 87-17=70, Resulting Numbers: [70] 70,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 87:[87, 17], Operations: ['56/56=1', '17*1=17'] Exploring Operation: 87*17=1479, Resulting Numbers: [1479] 1479,87 unequal: No Solution Exploring Operation: 87+17=104, Resulting Numbers: [104] 104,87 unequal: No Solution Exploring Operation: 87-17=70, Resulting Numbers: [70] 70,87 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: 87:[17, 87, 0], Operations: ['56-56=0'] Exploring Operation: 17-0=17, Resulting Numbers: [87, 17] Generated Node #0,1,0: 87:[87, 17] Operation: 17-0=17 Exploring Operation: 17+0=17, Resulting Numbers: [87, 17] Generated Node #0,1,1: 87:[87, 17] Operation: 17+0=17 Exploring Operation: 17*0=0, Resulting Numbers: [87, 0] Generated Node #0,1,2: 87:[87, 0] Operation: 17*0=0 Moving to Node #0,0 Current State: 87:[87, 56, 39], Operations: ['56-17=39'] Exploring Operation: 56+39=95, Resulting Numbers: [87, 95] Generated Node #0,0,0: 87:[87, 95] Operation: 56+39=95 Exploring Operation: 56-39=17, Resulting Numbers: [87, 17] Generated Node #0,0,1: 87:[87, 17] Operation: 56-39=17 Exploring Operation: 87-56=31, Resulting Numbers: [39, 31] Generated Node #0,0,2: 87:[39, 31] Operation: 87-56=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[87, 95], Operations: ['56-17=39', '56+39=95'] Exploring Operation: 87+95=182, Resulting Numbers: [182] 182,87 unequal: No Solution Exploring Operation: 95-87=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 87*95=8265, Resulting Numbers: [8265] 8265,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[87, 17], Operations: ['56-17=39', '56-39=17'] Exploring Operation: 87+17=104, Resulting Numbers: [104] 104,87 unequal: No Solution Exploring Operation: 87-17=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 87*17=1479, Resulting Numbers: [1479] 1479,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 87:[39, 31], Operations: ['56-17=39', '87-56=31'] Exploring Operation: 39+31=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,87 unequal: No Solution Exploring Operation: 39*31=1209, Resulting Numbers: [1209] 1209,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 87:[87, 0], Operations: ['56-56=0', '17*0=0'] Exploring Operation: 87+0=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[17, 87, 56, 56], Operations: [] Exploring Operation: 56-56=0, Resulting Numbers: [17, 87, 0] Generated Node #0,1: 87:[17, 87, 0] Operation: 56-56=0 Moving to Node #0,1 Current State: 87:[17, 87, 0], Operations: ['56-56=0'] Exploring Operation: 17*0=0, Resulting Numbers: [87, 0] Generated Node #0,1,2: 87:[87, 0] Operation: 17*0=0 Moving to Node #0,1,2 Current State: 87:[87, 0], Operations: ['56-56=0', '17*0=0'] Exploring Operation: 87+0=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.969618
hs_3
sum_heuristic
[ 60, 7, 30, 14 ]
97
[ "60-7=53", "30+14=44", "53+44=97" ]
Current State: 97:[60, 7, 30, 14], Operations: [] Exploring Operation: 60-7=53, Resulting Numbers: [30, 14, 53] Generated Node #2: [30, 14, 53] from Operation: 60-7=53 Current State: 97:[30, 14, 53], Operations: ['60-7=53'] Exploring Operation: 30+14=44, Resulting Numbers: [53, 44] Generated Node #3: [53, 44] from Operation: 30+14=44 Current State: 97:[53, 44], Operations: ['60-7=53', '30+14=44'] Exploring Operation: 53+44=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[60, 7, 30, 14], Operations: [] Exploring Operation: 60+30=90, Resulting Numbers: [7, 14, 90] Generated Node #0,0: 97:[7, 14, 90] Operation: 60+30=90 Exploring Operation: 60+14=74, Resulting Numbers: [7, 30, 74] Generated Node #0,1: 97:[7, 30, 74] Operation: 60+14=74 Exploring Operation: 7*14=98, Resulting Numbers: [60, 30, 98] Generated Node #0,2: 97:[60, 30, 98] Operation: 7*14=98 Exploring Operation: 60+7=67, Resulting Numbers: [30, 14, 67] Generated Node #0,3: 97:[30, 14, 67] Operation: 60+7=67 Moving to Node #0,2 Current State: 97:[60, 30, 98], Operations: ['7*14=98'] Exploring Operation: 98-30=68, Resulting Numbers: [60, 68] Generated Node #0,2,0: 97:[60, 68] Operation: 98-30=68 Exploring Operation: 60-30=30, Resulting Numbers: [98, 30] Generated Node #0,2,1: 97:[98, 30] Operation: 60-30=30 Exploring Operation: 30+98=128, Resulting Numbers: [60, 128] Generated Node #0,2,2: 97:[60, 128] Operation: 30+98=128 Exploring Operation: 60+30=90, Resulting Numbers: [98, 90] Generated Node #0,2,3: 97:[98, 90] Operation: 60+30=90 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[98, 90], Operations: ['7*14=98', '60+30=90'] Exploring Operation: 98+90=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 98-90=8, Resulting Numbers: [8] 8,97 unequal: No Solution Exploring Operation: 98*90=8820, Resulting Numbers: [8820] 8820,97 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 #0,2,0 Current State: 97:[60, 68], Operations: ['7*14=98', '98-30=68'] Exploring Operation: 60*68=4080, Resulting Numbers: [4080] 4080,97 unequal: No Solution Exploring Operation: 68-60=8, Resulting Numbers: [8] 8,97 unequal: No Solution Exploring Operation: 60+68=128, Resulting Numbers: [128] 128,97 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:[98, 30], Operations: ['7*14=98', '60-30=30'] Exploring Operation: 98-30=68, Resulting Numbers: [68] 68,97 unequal: No Solution Exploring Operation: 98*30=2940, Resulting Numbers: [2940] 2940,97 unequal: No Solution Exploring Operation: 98+30=128, Resulting Numbers: [128] 128,97 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 #0,2,2 Current State: 97:[60, 128], Operations: ['7*14=98', '30+98=128'] Exploring Operation: 128-60=68, Resulting Numbers: [68] 68,97 unequal: No Solution Exploring Operation: 60*128=7680, Resulting Numbers: [7680] 7680,97 unequal: No Solution Exploring Operation: 60+128=188, Resulting Numbers: [188] 188,97 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: 97:[7, 30, 74], Operations: ['60+14=74'] Exploring Operation: 7+30=37, Resulting Numbers: [74, 37] Generated Node #0,1,0: 97:[74, 37] Operation: 7+30=37 Exploring Operation: 7+74=81, Resulting Numbers: [30, 81] Generated Node #0,1,1: 97:[30, 81] Operation: 7+74=81 Exploring Operation: 30-7=23, Resulting Numbers: [74, 23] Generated Node #0,1,2: 97:[74, 23] Operation: 30-7=23 Exploring Operation: 74-7=67, Resulting Numbers: [30, 67] Generated Node #0,1,3: 97:[30, 67] Operation: 74-7=67 Moving to Node #0,0 Current State: 97:[7, 14, 90], Operations: ['60+30=90'] Exploring Operation: 14-7=7, Resulting Numbers: [90, 7] Generated Node #0,0,0: 97:[90, 7] Operation: 14-7=7 Exploring Operation: 7*14=98, Resulting Numbers: [90, 98] Generated Node #0,0,1: 97:[90, 98] Operation: 7*14=98 Exploring Operation: 7+90=97, Resulting Numbers: [14, 97] Generated Node #0,0,2: 97:[14, 97] Operation: 7+90=97 Exploring Operation: 7+14=21, Resulting Numbers: [90, 21] Generated Node #0,0,3: 97:[90, 21] Operation: 7+14=21 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[90, 98], Operations: ['60+30=90', '7*14=98'] Exploring Operation: 90+98=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 90*98=8820, Resulting Numbers: [8820] 8820,97 unequal: No Solution Exploring Operation: 98-90=8, Resulting Numbers: [8] 8,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[14, 97], Operations: ['60+30=90', '7+90=97'] Exploring Operation: 14+97=111, Resulting Numbers: [111] 111,97 unequal: No Solution Exploring Operation: 97-14=83, Resulting Numbers: [83] 83,97 unequal: No Solution Exploring Operation: 14*97=1358, Resulting Numbers: [1358] 1358,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[90, 21], Operations: ['60+30=90', '7+14=21'] Exploring Operation: 90-21=69, Resulting Numbers: [69] 69,97 unequal: No Solution Exploring Operation: 90*21=1890, Resulting Numbers: [1890] 1890,97 unequal: No Solution Exploring Operation: 90+21=111, Resulting Numbers: [111] 111,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[90, 7], Operations: ['60+30=90', '14-7=7'] Exploring Operation: 90+7=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[60, 7, 30, 14], Operations: [] Exploring Operation: 60+30=90, Resulting Numbers: [7, 14, 90] Generated Node #0,0: 97:[7, 14, 90] Operation: 60+30=90 Moving to Node #0,0 Current State: 97:[7, 14, 90], Operations: ['60+30=90'] Exploring Operation: 14-7=7, Resulting Numbers: [90, 7] Generated Node #0,0,0: 97:[90, 7] Operation: 14-7=7 Moving to Node #0,0,0 Current State: 97:[90, 7], Operations: ['60+30=90', '14-7=7'] Exploring Operation: 90+7=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_4
mult_heuristic
[ 2, 37, 3, 31 ]
49
[ "2*31=62", "37*3=111", "111-62=49" ]
Current State: 49:[2, 37, 3, 31], Operations: [] Exploring Operation: 2*31=62, Resulting Numbers: [37, 3, 62] Generated Node #2: [37, 3, 62] from Operation: 2*31=62 Current State: 49:[37, 3, 62], Operations: ['2*31=62'] Exploring Operation: 37*3=111, Resulting Numbers: [62, 111] Generated Node #3: [62, 111] from Operation: 37*3=111 Current State: 49:[62, 111], Operations: ['2*31=62', '37*3=111'] Exploring Operation: 111-62=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[2, 37, 3, 31], Operations: [] Exploring Operation: 37-31=6, Resulting Numbers: [2, 3, 6] Generated Node #0,0: 49:[2, 3, 6] Operation: 37-31=6 Exploring Operation: 37+31=68, Resulting Numbers: [2, 3, 68] Generated Node #0,1: 49:[2, 3, 68] Operation: 37+31=68 Exploring Operation: 2*3=6, Resulting Numbers: [37, 31, 6] Generated Node #0,2: 49:[37, 31, 6] Operation: 2*3=6 Exploring Operation: 2*31=62, Resulting Numbers: [37, 3, 62] Generated Node #0,3: 49:[37, 3, 62] Operation: 2*31=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[2, 3, 6], Operations: ['37-31=6'] Exploring Operation: 2+3=5, Resulting Numbers: [6, 5] Generated Node #0,0,0: 49:[6, 5] Operation: 2+3=5 Exploring Operation: 2+6=8, Resulting Numbers: [3, 8] Generated Node #0,0,1: 49:[3, 8] Operation: 2+6=8 Exploring Operation: 3-2=1, Resulting Numbers: [6, 1] Generated Node #0,0,2: 49:[6, 1] Operation: 3-2=1 Exploring Operation: 2*3=6, Resulting Numbers: [6, 6] Generated Node #0,0,3: 49:[6, 6] Operation: 2*3=6 Moving to Node #0,0,3 Current State: 49:[6, 6], Operations: ['37-31=6', '2*3=6'] Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,49 unequal: No Solution Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[6, 5], Operations: ['37-31=6', '2+3=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,49 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[3, 8], Operations: ['37-31=6', '2+6=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[6, 1], Operations: ['37-31=6', '3-2=1'] Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,49 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 Current State: 49:[2, 3, 68], Operations: ['37+31=68'] Exploring Operation: 68-2=66, Resulting Numbers: [3, 66] Generated Node #0,1,0: 49:[3, 66] Operation: 68-2=66 Exploring Operation: 68/2=34, Resulting Numbers: [3, 34] Generated Node #0,1,1: 49:[3, 34] Operation: 68/2=34 Exploring Operation: 2*3=6, Resulting Numbers: [68, 6] Generated Node #0,1,2: 49:[68, 6] Operation: 2*3=6 Exploring Operation: 2+3=5, Resulting Numbers: [68, 5] Generated Node #0,1,3: 49:[68, 5] Operation: 2+3=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 49:[3, 34], Operations: ['37+31=68', '68/2=34'] Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,49 unequal: No Solution Exploring Operation: 3*34=102, Resulting Numbers: [102] 102,49 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,49 unequal: No Solution No 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: 49:[68, 6], Operations: ['37+31=68', '2*3=6'] Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,49 unequal: No Solution Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,49 unequal: No Solution Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,49 unequal: No Solution No 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: 49:[3, 66], Operations: ['37+31=68', '68-2=66'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,49 unequal: No Solution Exploring Operation: 3*66=198, Resulting Numbers: [198] 198,49 unequal: No Solution Exploring Operation: 3+66=69, Resulting Numbers: [69] 69,49 unequal: No Solution Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,49 unequal: No Solution No 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: 49:[68, 5], Operations: ['37+31=68', '2+3=5'] Exploring Operation: 68*5=340, Resulting Numbers: [340] 340,49 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,49 unequal: No Solution Exploring Operation: 68+5=73, Resulting Numbers: [73] 73,49 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: 49:[37, 3, 62], Operations: ['2*31=62'] Exploring Operation: 62-37=25, Resulting Numbers: [3, 25] Generated Node #0,3,0: 49:[3, 25] Operation: 62-37=25 Exploring Operation: 37+3=40, Resulting Numbers: [62, 40] Generated Node #0,3,1: 49:[62, 40] Operation: 37+3=40 Exploring Operation: 62-3=59, Resulting Numbers: [37, 59] Generated Node #0,3,2: 49:[37, 59] Operation: 62-3=59 Exploring Operation: 37-3=34, Resulting Numbers: [62, 34] Generated Node #0,3,3: 49:[62, 34] Operation: 37-3=34 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 49:[3, 25], Operations: ['2*31=62', '62-37=25'] Exploring Operation: 3*25=75, Resulting Numbers: [75] 75,49 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,49 unequal: No Solution Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,49 unequal: No Solution No 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: 49:[62, 40], Operations: ['2*31=62', '37+3=40'] Exploring Operation: 62-40=22, Resulting Numbers: [22] 22,49 unequal: No Solution Exploring Operation: 62*40=2480, Resulting Numbers: [2480] 2480,49 unequal: No Solution Exploring Operation: 62+40=102, Resulting Numbers: [102] 102,49 unequal: No Solution No 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: 49:[37, 59], Operations: ['2*31=62', '62-3=59'] Exploring Operation: 37+59=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 37*59=2183, Resulting Numbers: [2183] 2183,49 unequal: No Solution Exploring Operation: 59-37=22, Resulting Numbers: [22] 22,49 unequal: No Solution No 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: 49:[62, 34], Operations: ['2*31=62', '37-3=34'] Exploring Operation: 62+34=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 62-34=28, Resulting Numbers: [28] 28,49 unequal: No Solution Exploring Operation: 62*34=2108, Resulting Numbers: [2108] 2108,49 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: 49:[37, 31, 6], Operations: ['2*3=6'] Exploring Operation: 37+6=43, Resulting Numbers: [31, 43] Generated Node #0,2,0: 49:[31, 43] Operation: 37+6=43 Exploring Operation: 37-31=6, Resulting Numbers: [6, 6] Generated Node #0,2,1: 49:[6, 6] Operation: 37-31=6 Exploring Operation: 37+31=68, Resulting Numbers: [6, 68] Generated Node #0,2,2: 49:[6, 68] Operation: 37+31=68 Exploring Operation: 31+6=37, Resulting Numbers: [37, 37] Generated Node #0,2,3: 49:[37, 37] Operation: 31+6=37 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 49:[6, 6], Operations: ['2*3=6', '37-31=6'] Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,49 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,49 unequal: No Solution No 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: 49:[6, 68], Operations: ['2*3=6', '37+31=68'] Exploring Operation: 6*68=408, Resulting Numbers: [408] 408,49 unequal: No Solution Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,49 unequal: No Solution Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,49 unequal: No Solution No 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: 49:[31, 43], Operations: ['2*3=6', '37+6=43'] Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 31+43=74, Resulting Numbers: [74] 74,49 unequal: No Solution Exploring Operation: 31*43=1333, Resulting Numbers: [1333] 1333,49 unequal: No Solution No 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: 49:[37, 37], Operations: ['2*3=6', '31+6=37'] Exploring Operation: 37+37=74, Resulting Numbers: [74] 74,49 unequal: No Solution Exploring Operation: 37*37=1369, Resulting Numbers: [1369] 1369,49 unequal: No Solution Exploring Operation: 37/37=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 37-37=0, Resulting Numbers: [0] 0,49 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
[ 7, 46, 33, 54 ]
18
[ "46-7=39", "54-33=21", "39-21=18" ]
Current State: 18:[7, 46, 33, 54], Operations: [] Exploring Operation: 46-7=39, Resulting Numbers: [33, 54, 39] Generated Node #2: [33, 54, 39] from Operation: 46-7=39 Current State: 18:[33, 54, 39], Operations: ['46-7=39'] Exploring Operation: 54-33=21, Resulting Numbers: [39, 21] Generated Node #3: [39, 21] from Operation: 54-33=21 Current State: 18:[39, 21], Operations: ['46-7=39', '54-33=21'] Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[7, 46, 33, 54], Operations: [] Exploring Operation: 54-46=8, Resulting Numbers: [7, 33, 8] Generated Node #0,0: 18:[7, 33, 8] Operation: 54-46=8 Moving to Node #0,0 Current State: 18:[7, 33, 8], Operations: ['54-46=8'] Exploring Operation: 33-8=25, Resulting Numbers: [7, 25] Generated Node #0,0,0: 18:[7, 25] Operation: 33-8=25 Moving to Node #0,0,0 Current State: 18:[7, 25], Operations: ['54-46=8', '33-8=25'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[7, 46, 33, 54], Operations: [] Exploring Operation: 54-46=8, Resulting Numbers: [7, 33, 8] Generated Node #0,0: 18:[7, 33, 8] Operation: 54-46=8 Moving to Node #0,0 Current State: 18:[7, 33, 8], Operations: ['54-46=8'] Exploring Operation: 33-8=25, Resulting Numbers: [7, 25] Generated Node #0,0,0: 18:[7, 25] Operation: 33-8=25 Moving to Node #0,0,0 Current State: 18:[7, 25], Operations: ['54-46=8', '33-8=25'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 68, 62, 75, 83 ]
14
[ "68-62=6", "83-75=8", "6+8=14" ]
Current State: 14:[68, 62, 75, 83], Operations: [] Exploring Operation: 68-62=6, Resulting Numbers: [75, 83, 6] Generated Node #2: [75, 83, 6] from Operation: 68-62=6 Current State: 14:[75, 83, 6], Operations: ['68-62=6'] Exploring Operation: 83-75=8, Resulting Numbers: [6, 8] Generated Node #3: [6, 8] from Operation: 83-75=8 Current State: 14:[6, 8], Operations: ['68-62=6', '83-75=8'] Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[68, 62, 75, 83], Operations: [] Exploring Operation: 83-75=8, Resulting Numbers: [68, 62, 8] Generated Node #0,0: 14:[68, 62, 8] Operation: 83-75=8 Exploring Operation: 83-68=15, Resulting Numbers: [62, 75, 15] Generated Node #0,1: 14:[62, 75, 15] Operation: 83-68=15 Exploring Operation: 75-68=7, Resulting Numbers: [62, 83, 7] Generated Node #0,2: 14:[62, 83, 7] Operation: 75-68=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[68, 62, 8], Operations: ['83-75=8'] Exploring Operation: 68-62=6, Resulting Numbers: [8, 6] Generated Node #0,0,0: 14:[8, 6] Operation: 68-62=6 Exploring Operation: 62-8=54, Resulting Numbers: [68, 54] Generated Node #0,0,1: 14:[68, 54] Operation: 62-8=54 Exploring Operation: 68-8=60, Resulting Numbers: [62, 60] Generated Node #0,0,2: 14:[62, 60] Operation: 68-8=60 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[8, 6], Operations: ['83-75=8', '68-62=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[68, 62, 75, 83], Operations: [] Exploring Operation: 83-75=8, Resulting Numbers: [68, 62, 8] Generated Node #0,0: 14:[68, 62, 8] Operation: 83-75=8 Moving to Node #0,0 Current State: 14:[68, 62, 8], Operations: ['83-75=8'] Exploring Operation: 68-62=6, Resulting Numbers: [8, 6] Generated Node #0,0,0: 14:[8, 6] Operation: 68-62=6 Moving to Node #0,0,0 Current State: 14:[8, 6], Operations: ['83-75=8', '68-62=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 92, 12, 90, 29 ]
53
[ "92-90=2", "12*2=24", "29+24=53" ]
Current State: 53:[92, 12, 90, 29], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [12, 29, 2] Generated Node #2: [12, 29, 2] from Operation: 92-90=2 Current State: 53:[12, 29, 2], Operations: ['92-90=2'] Exploring Operation: 12*2=24, Resulting Numbers: [29, 24] Generated Node #3: [29, 24] from Operation: 12*2=24 Current State: 53:[29, 24], Operations: ['92-90=2', '12*2=24'] Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[92, 12, 90, 29], Operations: [] Exploring Operation: 92-12=80, Resulting Numbers: [90, 29, 80] Generated Node #0,0: 53:[90, 29, 80] Operation: 92-12=80 Exploring Operation: 92-29=63, Resulting Numbers: [12, 90, 63] Generated Node #0,1: 53:[12, 90, 63] Operation: 92-29=63 Moving to Node #0,0 Current State: 53:[90, 29, 80], Operations: ['92-12=80'] Exploring Operation: 90-29=61, Resulting Numbers: [80, 61] Generated Node #0,0,0: 53:[80, 61] Operation: 90-29=61 Exploring Operation: 80-29=51, Resulting Numbers: [90, 51] Generated Node #0,0,1: 53:[90, 51] Operation: 80-29=51 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[80, 61], Operations: ['92-12=80', '90-29=61'] Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,53 unequal: No Solution Exploring Operation: 80+61=141, Resulting Numbers: [141] 141,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[90, 51], Operations: ['92-12=80', '80-29=51'] Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 90+51=141, Resulting Numbers: [141] 141,53 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: 53:[12, 90, 63], Operations: ['92-29=63'] Exploring Operation: 90-12=78, Resulting Numbers: [63, 78] Generated Node #0,1,0: 53:[63, 78] Operation: 90-12=78 Exploring Operation: 63-12=51, Resulting Numbers: [90, 51] Generated Node #0,1,1: 53:[90, 51] Operation: 63-12=51 Moving to Node #0,1,0 Current State: 53:[63, 78], Operations: ['92-29=63', '90-12=78'] Exploring Operation: 63+78=141, Resulting Numbers: [141] 141,53 unequal: No Solution Exploring Operation: 78-63=15, Resulting Numbers: [15] 15,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[90, 51], Operations: ['92-29=63', '63-12=51'] Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 90+51=141, Resulting Numbers: [141] 141,53 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 25, 74, 44, 11 ]
55
[ "74-25=49", "49-44=5", "11*5=55" ]
Current State: 55:[25, 74, 44, 11], Operations: [] Exploring Operation: 74-25=49, Resulting Numbers: [44, 11, 49] Generated Node #2: [44, 11, 49] from Operation: 74-25=49 Current State: 55:[44, 11, 49], Operations: ['74-25=49'] Exploring Operation: 49-44=5, Resulting Numbers: [11, 5] Generated Node #3: [11, 5] from Operation: 49-44=5 Current State: 55:[11, 5], Operations: ['74-25=49', '49-44=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[25, 74, 44, 11], Operations: [] Exploring Operation: 74-25=49, Resulting Numbers: [44, 11, 49] Generated Node #0,0: 55:[44, 11, 49] Operation: 74-25=49 Exploring Operation: 44-25=19, Resulting Numbers: [74, 11, 19] Generated Node #0,1: 55:[74, 11, 19] Operation: 44-25=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[44, 11, 49], Operations: ['74-25=49'] Exploring Operation: 49-44=5, Resulting Numbers: [11, 5] Generated Node #0,0,0: 55:[11, 5] Operation: 49-44=5 Exploring Operation: 44+11=55, Resulting Numbers: [49, 55] Generated Node #0,0,1: 55:[49, 55] Operation: 44+11=55 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[11, 5], Operations: ['74-25=49', '49-44=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[25, 74, 44, 11], Operations: [] Exploring Operation: 74-25=49, Resulting Numbers: [44, 11, 49] Generated Node #0,0: 55:[44, 11, 49] Operation: 74-25=49 Moving to Node #0,0 Current State: 55:[44, 11, 49], Operations: ['74-25=49'] Exploring Operation: 49-44=5, Resulting Numbers: [11, 5] Generated Node #0,0,0: 55:[11, 5] Operation: 49-44=5 Moving to Node #0,0,0 Current State: 55:[11, 5], Operations: ['74-25=49', '49-44=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 8, 81, 81, 21 ]
21
[ "81-81=0", "8*0=0", "21+0=21" ]
Current State: 21:[8, 81, 81, 21], Operations: [] Exploring Operation: 81-81=0, Resulting Numbers: [8, 21, 0] Generated Node #2: [8, 21, 0] from Operation: 81-81=0 Current State: 21:[8, 21, 0], Operations: ['81-81=0'] Exploring Operation: 8*0=0, Resulting Numbers: [21, 0] Generated Node #3: [21, 0] from Operation: 8*0=0 Current State: 21:[21, 0], Operations: ['81-81=0', '8*0=0'] Exploring Operation: 21+0=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[8, 81, 81, 21], Operations: [] Exploring Operation: 81/81=1, Resulting Numbers: [8, 21, 1] Generated Node #0,0: 21:[8, 21, 1] Operation: 81/81=1 Exploring Operation: 81-21=60, Resulting Numbers: [8, 81, 60] Generated Node #0,1: 21:[8, 81, 60] Operation: 81-21=60 Exploring Operation: 81-21=60, Resulting Numbers: [8, 81, 60] Generated Node #0,2: 21:[8, 81, 60] Operation: 81-21=60 Exploring Operation: 81-81=0, Resulting Numbers: [8, 21, 0] Generated Node #0,3: 21:[8, 21, 0] Operation: 81-81=0 Moving to Node #0,0 Current State: 21:[8, 21, 1], Operations: ['81/81=1'] Exploring Operation: 8*1=8, Resulting Numbers: [21, 8] Generated Node #0,0,0: 21:[21, 8] Operation: 8*1=8 Exploring Operation: 21*1=21, Resulting Numbers: [8, 21] Generated Node #0,0,1: 21:[8, 21] Operation: 21*1=21 Exploring Operation: 8/1=8, Resulting Numbers: [21, 8] Generated Node #0,0,2: 21:[21, 8] Operation: 8/1=8 Exploring Operation: 8-1=7, Resulting Numbers: [21, 7] Generated Node #0,0,3: 21:[21, 7] Operation: 8-1=7 Moving to Node #0,3 Current State: 21:[8, 21, 0], Operations: ['81-81=0'] Exploring Operation: 21-0=21, Resulting Numbers: [8, 21] Generated Node #0,3,0: 21:[8, 21] Operation: 21-0=21 Exploring Operation: 8+0=8, Resulting Numbers: [21, 8] Generated Node #0,3,1: 21:[21, 8] Operation: 8+0=8 Exploring Operation: 21+0=21, Resulting Numbers: [8, 21] Generated Node #0,3,2: 21:[8, 21] Operation: 21+0=21 Exploring Operation: 8-0=8, Resulting Numbers: [21, 8] Generated Node #0,3,3: 21:[21, 8] Operation: 8-0=8 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 21:[8, 21], Operations: ['81-81=0', '21-0=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,21 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,21 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 #0,3,1 Current State: 21:[21, 8], Operations: ['81-81=0', '8+0=8'] Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,21 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,21 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 #0,3,2 Current State: 21:[8, 21], Operations: ['81-81=0', '21+0=21'] Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,21 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 #0,3,3 Current State: 21:[21, 8], Operations: ['81-81=0', '8-0=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 21:[8, 81, 60], Operations: ['81-21=60'] Exploring Operation: 81-8=73, Resulting Numbers: [60, 73] Generated Node #0,2,0: 21:[60, 73] Operation: 81-8=73 Exploring Operation: 8+81=89, Resulting Numbers: [60, 89] Generated Node #0,2,1: 21:[60, 89] Operation: 8+81=89 Exploring Operation: 60-8=52, Resulting Numbers: [81, 52] Generated Node #0,2,2: 21:[81, 52] Operation: 60-8=52 Exploring Operation: 81-60=21, Resulting Numbers: [8, 21] Generated Node #0,2,3: 21:[8, 21] Operation: 81-60=21 Moving to Node #0,1 Current State: 21:[8, 81, 60], Operations: ['81-21=60'] Exploring Operation: 81-8=73, Resulting Numbers: [60, 73] Generated Node #0,1,0: 21:[60, 73] Operation: 81-8=73 Exploring Operation: 8+81=89, Resulting Numbers: [60, 89] Generated Node #0,1,1: 21:[60, 89] Operation: 8+81=89 Exploring Operation: 81-60=21, Resulting Numbers: [8, 21] Generated Node #0,1,2: 21:[8, 21] Operation: 81-60=21 Exploring Operation: 60-8=52, Resulting Numbers: [81, 52] Generated Node #0,1,3: 21:[81, 52] Operation: 60-8=52 Moving to Node #0,0,3 Current State: 21:[21, 7], Operations: ['81/81=1', '8-1=7'] Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,21 unequal: No Solution Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,21 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,21 unequal: No Solution Exploring Operation: 21*7=147, Resulting Numbers: [147] 147,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[8, 21], Operations: ['81/81=1', '21*1=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,21 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,21 unequal: No Solution Moving to Node #0,0,0 Current State: 21:[21, 8], Operations: ['81/81=1', '8*1=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,21 unequal: No Solution Moving to Node #0,2,3 Current State: 21:[8, 21], Operations: ['81-21=60', '81-60=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,21 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[21, 8], Operations: ['81/81=1', '8/1=8'] Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,21 unequal: No Solution Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,21 unequal: No Solution Moving to Node #0,1,2 Current State: 21:[8, 21], Operations: ['81-21=60', '81-60=21'] Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[81, 52], Operations: ['81-21=60', '60-8=52'] Exploring Operation: 81*52=4212, Resulting Numbers: [4212] 4212,21 unequal: No Solution Exploring Operation: 81+52=133, Resulting Numbers: [133] 133,21 unequal: No Solution Exploring Operation: 81-52=29, Resulting Numbers: [29] 29,21 unequal: No Solution Moving to Node #0,2,0 Current State: 21:[60, 73], Operations: ['81-21=60', '81-8=73'] Exploring Operation: 73-60=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 60+73=133, Resulting Numbers: [133] 133,21 unequal: No Solution Exploring Operation: 60*73=4380, Resulting Numbers: [4380] 4380,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[60, 73], Operations: ['81-21=60', '81-8=73'] Exploring Operation: 60*73=4380, Resulting Numbers: [4380] 4380,21 unequal: No Solution Exploring Operation: 73-60=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 60+73=133, Resulting Numbers: [133] 133,21 unequal: No Solution Moving to Node #0,1,3 Current State: 21:[81, 52], Operations: ['81-21=60', '60-8=52'] Exploring Operation: 81-52=29, Resulting Numbers: [29] 29,21 unequal: No Solution Exploring Operation: 81*52=4212, Resulting Numbers: [4212] 4212,21 unequal: No Solution Exploring Operation: 81+52=133, Resulting Numbers: [133] 133,21 unequal: No Solution Moving to Node #0,2,1 Current State: 21:[60, 89], Operations: ['81-21=60', '8+81=89'] Exploring Operation: 60*89=5340, Resulting Numbers: [5340] 5340,21 unequal: No Solution Exploring Operation: 60+89=149, Resulting Numbers: [149] 149,21 unequal: No Solution Exploring Operation: 89-60=29, Resulting Numbers: [29] 29,21 unequal: No Solution Moving to Node #0,1,1 Current State: 21:[60, 89], Operations: ['81-21=60', '8+81=89'] Exploring Operation: 60+89=149, Resulting Numbers: [149] 149,21 unequal: No Solution Exploring Operation: 60*89=5340, Resulting Numbers: [5340] 5340,21 unequal: No Solution Exploring Operation: 89-60=29, Resulting Numbers: [29] 29,21 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 71, 75, 71, 13 ]
87
[ "71/71=1", "75+13=88", "88-1=87" ]
Current State: 87:[71, 75, 71, 13], Operations: [] Exploring Operation: 71/71=1, Resulting Numbers: [75, 13, 1] Generated Node #2: [75, 13, 1] from Operation: 71/71=1 Current State: 87:[75, 13, 1], Operations: ['71/71=1'] Exploring Operation: 75+13=88, Resulting Numbers: [1, 88] Generated Node #3: [1, 88] from Operation: 75+13=88 Current State: 87:[1, 88], Operations: ['71/71=1', '75+13=88'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[71, 75, 71, 13], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [71, 13, 4] Generated Node #0,0: 87:[71, 13, 4] Operation: 75-71=4 Exploring Operation: 75-71=4, Resulting Numbers: [71, 13, 4] Generated Node #0,1: 87:[71, 13, 4] Operation: 75-71=4 Exploring Operation: 71-71=0, Resulting Numbers: [75, 13, 0] Generated Node #0,2: 87:[75, 13, 0] Operation: 71-71=0 Exploring Operation: 71+13=84, Resulting Numbers: [75, 71, 84] Generated Node #0,3: 87:[75, 71, 84] Operation: 71+13=84 Exploring Operation: 71/71=1, Resulting Numbers: [75, 13, 1] Generated Node #0,4: 87:[75, 13, 1] Operation: 71/71=1 Start Sub Search at level 1: Moving to Node #0,4 Current State: 87:[75, 13, 1], Operations: ['71/71=1'] Exploring Operation: 75/1=75, Resulting Numbers: [13, 75] Generated Node #0,4,0: 87:[13, 75] Operation: 75/1=75 Exploring Operation: 75+13=88, Resulting Numbers: [1, 88] Generated Node #0,4,1: 87:[1, 88] Operation: 75+13=88 Exploring Operation: 75*1=75, Resulting Numbers: [13, 75] Generated Node #0,4,2: 87:[13, 75] Operation: 75*1=75 Exploring Operation: 75+1=76, Resulting Numbers: [13, 76] Generated Node #0,4,3: 87:[13, 76] Operation: 75+1=76 Exploring Operation: 13-1=12, Resulting Numbers: [75, 12] Generated Node #0,4,4: 87:[75, 12] Operation: 13-1=12 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 87:[1, 88], Operations: ['71/71=1', '75+13=88'] Exploring Operation: 1*88=88, Resulting Numbers: [88] 88,87 unequal: No Solution Exploring Operation: 88/1=88, Resulting Numbers: [88] 88,87 unequal: No Solution Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[71, 75, 71, 13], Operations: [] Exploring Operation: 71/71=1, Resulting Numbers: [75, 13, 1] Generated Node #0,4: 87:[75, 13, 1] Operation: 71/71=1 Moving to Node #0,4 Current State: 87:[75, 13, 1], Operations: ['71/71=1'] Exploring Operation: 75+13=88, Resulting Numbers: [1, 88] Generated Node #0,4,1: 87:[1, 88] Operation: 75+13=88 Moving to Node #0,4,1 Current State: 87:[1, 88], Operations: ['71/71=1', '75+13=88'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 6, 80, 67, 65 ]
11
[ "80-67=13", "65/13=5", "6+5=11" ]
Current State: 11:[6, 80, 67, 65], Operations: [] Exploring Operation: 80-67=13, Resulting Numbers: [6, 65, 13] Generated Node #2: [6, 65, 13] from Operation: 80-67=13 Current State: 11:[6, 65, 13], Operations: ['80-67=13'] Exploring Operation: 65/13=5, Resulting Numbers: [6, 5] Generated Node #3: [6, 5] from Operation: 65/13=5 Current State: 11:[6, 5], Operations: ['80-67=13', '65/13=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[6, 80, 67, 65], Operations: [] Exploring Operation: 80-67=13, Resulting Numbers: [6, 65, 13] Generated Node #0,0: 11:[6, 65, 13] Operation: 80-67=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[6, 65, 13], Operations: ['80-67=13'] Exploring Operation: 65/13=5, Resulting Numbers: [6, 5] Generated Node #0,0,0: 11:[6, 5] Operation: 65/13=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[6, 5], Operations: ['80-67=13', '65/13=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[6, 80, 67, 65], Operations: [] Exploring Operation: 80-67=13, Resulting Numbers: [6, 65, 13] Generated Node #0,0: 11:[6, 65, 13] Operation: 80-67=13 Moving to Node #0,0 Current State: 11:[6, 65, 13], Operations: ['80-67=13'] Exploring Operation: 65/13=5, Resulting Numbers: [6, 5] Generated Node #0,0,0: 11:[6, 5] Operation: 65/13=5 Moving to Node #0,0,0 Current State: 11:[6, 5], Operations: ['80-67=13', '65/13=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 46, 13, 2, 32 ]
67
[ "46-13=33", "2+32=34", "33+34=67" ]
Current State: 67:[46, 13, 2, 32], Operations: [] Exploring Operation: 46-13=33, Resulting Numbers: [2, 32, 33] Generated Node #2: [2, 32, 33] from Operation: 46-13=33 Current State: 67:[2, 32, 33], Operations: ['46-13=33'] Exploring Operation: 2+32=34, Resulting Numbers: [33, 34] Generated Node #3: [33, 34] from Operation: 2+32=34 Current State: 67:[33, 34], Operations: ['46-13=33', '2+32=34'] Exploring Operation: 33+34=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[46, 13, 2, 32], Operations: [] Exploring Operation: 46+2=48, Resulting Numbers: [13, 32, 48] Generated Node #0,0: 67:[13, 32, 48] Operation: 46+2=48 Exploring Operation: 13*2=26, Resulting Numbers: [46, 32, 26] Generated Node #0,1: 67:[46, 32, 26] Operation: 13*2=26 Exploring Operation: 46+13=59, Resulting Numbers: [2, 32, 59] Generated Node #0,2: 67:[2, 32, 59] Operation: 46+13=59 Exploring Operation: 2*32=64, Resulting Numbers: [46, 13, 64] Generated Node #0,3: 67:[46, 13, 64] Operation: 2*32=64 Start Sub Search at level 1: Moving to Node #0,3 Current State: 67:[46, 13, 64], Operations: ['2*32=64'] Exploring Operation: 13+64=77, Resulting Numbers: [46, 77] Generated Node #0,3,0: 67:[46, 77] Operation: 13+64=77 Exploring Operation: 64-13=51, Resulting Numbers: [46, 51] Generated Node #0,3,1: 67:[46, 51] Operation: 64-13=51 Exploring Operation: 46+13=59, Resulting Numbers: [64, 59] Generated Node #0,3,2: 67:[64, 59] Operation: 46+13=59 Exploring Operation: 46-13=33, Resulting Numbers: [64, 33] Generated Node #0,3,3: 67:[64, 33] Operation: 46-13=33 Moving to Node #0,3,2 Current State: 67:[64, 59], Operations: ['2*32=64', '46+13=59'] Exploring Operation: 64*59=3776, Resulting Numbers: [3776] 3776,67 unequal: No Solution Exploring Operation: 64+59=123, Resulting Numbers: [123] 123,67 unequal: No Solution Exploring Operation: 64-59=5, Resulting Numbers: [5] 5,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[46, 77], Operations: ['2*32=64', '13+64=77'] Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,67 unequal: No Solution Exploring Operation: 46*77=3542, Resulting Numbers: [3542] 3542,67 unequal: No Solution Exploring Operation: 46+77=123, Resulting Numbers: [123] 123,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[64, 33], Operations: ['2*32=64', '46-13=33'] Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,67 unequal: No Solution Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,67 unequal: No Solution Exploring Operation: 64*33=2112, Resulting Numbers: [2112] 2112,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[46, 51], Operations: ['2*32=64', '64-13=51'] Exploring Operation: 46+51=97, Resulting Numbers: [97] 97,67 unequal: No Solution Exploring Operation: 51-46=5, Resulting Numbers: [5] 5,67 unequal: No Solution Exploring Operation: 46*51=2346, Resulting Numbers: [2346] 2346,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[46, 32, 26], Operations: ['13*2=26'] Exploring Operation: 46-26=20, Resulting Numbers: [32, 20] Generated Node #0,1,0: 67:[32, 20] Operation: 46-26=20 Exploring Operation: 32+26=58, Resulting Numbers: [46, 58] Generated Node #0,1,1: 67:[46, 58] Operation: 32+26=58 Exploring Operation: 46+32=78, Resulting Numbers: [26, 78] Generated Node #0,1,2: 67:[26, 78] Operation: 46+32=78 Exploring Operation: 46+26=72, Resulting Numbers: [32, 72] Generated Node #0,1,3: 67:[32, 72] Operation: 46+26=72 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[46, 58], Operations: ['13*2=26', '32+26=58'] Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 46+58=104, Resulting Numbers: [104] 104,67 unequal: No Solution Exploring Operation: 46*58=2668, Resulting Numbers: [2668] 2668,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 67:[32, 72], Operations: ['13*2=26', '46+26=72'] Exploring Operation: 32+72=104, Resulting Numbers: [104] 104,67 unequal: No Solution Exploring Operation: 32*72=2304, Resulting Numbers: [2304] 2304,67 unequal: No Solution Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 67:[26, 78], Operations: ['13*2=26', '46+32=78'] Exploring Operation: 26+78=104, Resulting Numbers: [104] 104,67 unequal: No Solution Exploring Operation: 78/26=3, Resulting Numbers: [3] 3,67 unequal: No Solution Exploring Operation: 26*78=2028, Resulting Numbers: [2028] 2028,67 unequal: No Solution Exploring Operation: 78-26=52, Resulting Numbers: [52] 52,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[32, 20], Operations: ['13*2=26', '46-26=20'] Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,67 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 32*20=640, Resulting Numbers: [640] 640,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[13, 32, 48], Operations: ['46+2=48'] Exploring Operation: 32-13=19, Resulting Numbers: [48, 19] Generated Node #0,0,0: 67:[48, 19] Operation: 32-13=19 Exploring Operation: 13+48=61, Resulting Numbers: [32, 61] Generated Node #0,0,1: 67:[32, 61] Operation: 13+48=61 Exploring Operation: 48-13=35, Resulting Numbers: [32, 35] Generated Node #0,0,2: 67:[32, 35] Operation: 48-13=35 Exploring Operation: 13+32=45, Resulting Numbers: [48, 45] Generated Node #0,0,3: 67:[48, 45] Operation: 13+32=45 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[32, 61], Operations: ['46+2=48', '13+48=61'] Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 32*61=1952, Resulting Numbers: [1952] 1952,67 unequal: No Solution Exploring Operation: 32+61=93, Resulting Numbers: [93] 93,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 67:[48, 45], Operations: ['46+2=48', '13+32=45'] Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,67 unequal: No Solution Exploring Operation: 48+45=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 48*45=2160, Resulting Numbers: [2160] 2160,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[48, 19], Operations: ['46+2=48', '32-13=19'] Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[46, 13, 2, 32], Operations: [] Exploring Operation: 46+2=48, Resulting Numbers: [13, 32, 48] Generated Node #0,0: 67:[13, 32, 48] Operation: 46+2=48 Moving to Node #0,0 Current State: 67:[13, 32, 48], Operations: ['46+2=48'] Exploring Operation: 32-13=19, Resulting Numbers: [48, 19] Generated Node #0,0,0: 67:[48, 19] Operation: 32-13=19 Moving to Node #0,0,0 Current State: 67:[48, 19], Operations: ['46+2=48', '32-13=19'] Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.953993
hs_4
sum_heuristic
[ 45, 92, 50, 72 ]
69
[ "92-45=47", "72-50=22", "47+22=69" ]
Current State: 69:[45, 92, 50, 72], Operations: [] Exploring Operation: 92-45=47, Resulting Numbers: [50, 72, 47] Generated Node #2: [50, 72, 47] from Operation: 92-45=47 Current State: 69:[50, 72, 47], Operations: ['92-45=47'] Exploring Operation: 72-50=22, Resulting Numbers: [47, 22] Generated Node #3: [47, 22] from Operation: 72-50=22 Current State: 69:[47, 22], Operations: ['92-45=47', '72-50=22'] Exploring Operation: 47+22=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[45, 92, 50, 72], Operations: [] Exploring Operation: 50-45=5, Resulting Numbers: [92, 72, 5] Generated Node #0,0: 69:[92, 72, 5] Operation: 50-45=5 Exploring Operation: 92-45=47, Resulting Numbers: [50, 72, 47] Generated Node #0,1: 69:[50, 72, 47] Operation: 92-45=47 Exploring Operation: 92-50=42, Resulting Numbers: [45, 72, 42] Generated Node #0,2: 69:[45, 72, 42] Operation: 92-50=42 Exploring Operation: 92-72=20, Resulting Numbers: [45, 50, 20] Generated Node #0,3: 69:[45, 50, 20] Operation: 92-72=20 Moving to Node #0,0 Current State: 69:[92, 72, 5], Operations: ['50-45=5'] Exploring Operation: 72-5=67, Resulting Numbers: [92, 67] Generated Node #0,0,0: 69:[92, 67] Operation: 72-5=67 Exploring Operation: 92-72=20, Resulting Numbers: [5, 20] Generated Node #0,0,1: 69:[5, 20] Operation: 92-72=20 Exploring Operation: 92+5=97, Resulting Numbers: [72, 97] Generated Node #0,0,2: 69:[72, 97] Operation: 92+5=97 Exploring Operation: 92-5=87, Resulting Numbers: [72, 87] Generated Node #0,0,3: 69:[72, 87] Operation: 92-5=87 Moving to Node #0,2 Current State: 69:[45, 72, 42], Operations: ['92-50=42'] Exploring Operation: 72-42=30, Resulting Numbers: [45, 30] Generated Node #0,2,0: 69:[45, 30] Operation: 72-42=30 Exploring Operation: 45-42=3, Resulting Numbers: [72, 3] Generated Node #0,2,1: 69:[72, 3] Operation: 45-42=3 Exploring Operation: 45+42=87, Resulting Numbers: [72, 87] Generated Node #0,2,2: 69:[72, 87] Operation: 45+42=87 Exploring Operation: 72-45=27, Resulting Numbers: [42, 27] Generated Node #0,2,3: 69:[42, 27] Operation: 72-45=27 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 69:[72, 3], Operations: ['92-50=42', '45-42=3'] Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,69 unequal: No Solution Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[45, 92, 50, 72], Operations: [] Exploring Operation: 92-50=42, Resulting Numbers: [45, 72, 42] Generated Node #0,2: 69:[45, 72, 42] Operation: 92-50=42 Moving to Node #0,2 Current State: 69:[45, 72, 42], Operations: ['92-50=42'] Exploring Operation: 45-42=3, Resulting Numbers: [72, 3] Generated Node #0,2,1: 69:[72, 3] Operation: 45-42=3 Moving to Node #0,2,1 Current State: 69:[72, 3], Operations: ['92-50=42', '45-42=3'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 70, 93, 64, 60 ]
83
[ "70-64=6", "60/6=10", "93-10=83" ]
Current State: 83:[70, 93, 64, 60], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [93, 60, 6] Generated Node #2: [93, 60, 6] from Operation: 70-64=6 Current State: 83:[93, 60, 6], Operations: ['70-64=6'] Exploring Operation: 60/6=10, Resulting Numbers: [93, 10] Generated Node #3: [93, 10] from Operation: 60/6=10 Current State: 83:[93, 10], Operations: ['70-64=6', '60/6=10'] Exploring Operation: 93-10=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[70, 93, 64, 60], Operations: [] Exploring Operation: 64+60=124, Resulting Numbers: [70, 93, 124] Generated Node #0,0: 83:[70, 93, 124] Operation: 64+60=124 Exploring Operation: 93-64=29, Resulting Numbers: [70, 60, 29] Generated Node #0,1: 83:[70, 60, 29] Operation: 93-64=29 Exploring Operation: 93-60=33, Resulting Numbers: [70, 64, 33] Generated Node #0,2: 83:[70, 64, 33] Operation: 93-60=33 Exploring Operation: 70+64=134, Resulting Numbers: [93, 60, 134] Generated Node #0,3: 83:[93, 60, 134] Operation: 70+64=134 Exploring Operation: 70+60=130, Resulting Numbers: [93, 64, 130] Generated Node #0,4: 83:[93, 64, 130] Operation: 70+60=130 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[70, 93, 124], Operations: ['64+60=124'] Exploring Operation: 124-93=31, Resulting Numbers: [70, 31] Generated Node #0,0,0: 83:[70, 31] Operation: 124-93=31 Exploring Operation: 70+124=194, Resulting Numbers: [93, 194] Generated Node #0,0,1: 83:[93, 194] Operation: 70+124=194 Exploring Operation: 93-70=23, Resulting Numbers: [124, 23] Generated Node #0,0,2: 83:[124, 23] Operation: 93-70=23 Exploring Operation: 124-70=54, Resulting Numbers: [93, 54] Generated Node #0,0,3: 83:[93, 54] Operation: 124-70=54 Exploring Operation: 70+93=163, Resulting Numbers: [124, 163] Generated Node #0,0,4: 83:[124, 163] Operation: 70+93=163 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 83:[93, 54], Operations: ['64+60=124', '124-70=54'] Exploring Operation: 93-54=39, Resulting Numbers: [39] 39,83 unequal: No Solution Exploring Operation: 93*54=5022, Resulting Numbers: [5022] 5022,83 unequal: No Solution Exploring Operation: 93+54=147, Resulting Numbers: [147] 147,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[70, 31], Operations: ['64+60=124', '124-93=31'] Exploring Operation: 70*31=2170, Resulting Numbers: [2170] 2170,83 unequal: No Solution Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,83 unequal: No Solution Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,83 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:[124, 23], Operations: ['64+60=124', '93-70=23'] Exploring Operation: 124+23=147, Resulting Numbers: [147] 147,83 unequal: No Solution Exploring Operation: 124*23=2852, Resulting Numbers: [2852] 2852,83 unequal: No Solution Exploring Operation: 124-23=101, Resulting Numbers: [101] 101,83 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:[93, 194], Operations: ['64+60=124', '70+124=194'] Exploring Operation: 93+194=287, Resulting Numbers: [287] 287,83 unequal: No Solution Exploring Operation: 93*194=18042, Resulting Numbers: [18042] 18042,83 unequal: No Solution Exploring Operation: 194-93=101, Resulting Numbers: [101] 101,83 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:[124, 163], Operations: ['64+60=124', '70+93=163'] Exploring Operation: 124*163=20212, Resulting Numbers: [20212] 20212,83 unequal: No Solution Exploring Operation: 163-124=39, Resulting Numbers: [39] 39,83 unequal: No Solution Exploring Operation: 124+163=287, Resulting Numbers: [287] 287,83 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 #0,4 Current State: 83:[93, 64, 130], Operations: ['70+60=130'] Exploring Operation: 93-64=29, Resulting Numbers: [130, 29] Generated Node #0,4,0: 83:[130, 29] Operation: 93-64=29 Exploring Operation: 130-64=66, Resulting Numbers: [93, 66] Generated Node #0,4,1: 83:[93, 66] Operation: 130-64=66 Exploring Operation: 130-93=37, Resulting Numbers: [64, 37] Generated Node #0,4,2: 83:[64, 37] Operation: 130-93=37 Exploring Operation: 93+64=157, Resulting Numbers: [130, 157] Generated Node #0,4,3: 83:[130, 157] Operation: 93+64=157 Exploring Operation: 64+130=194, Resulting Numbers: [93, 194] Generated Node #0,4,4: 83:[93, 194] Operation: 64+130=194 Moving to Node #0,4,1 Current State: 83:[93, 66], Operations: ['70+60=130', '130-64=66'] Exploring Operation: 93*66=6138, Resulting Numbers: [6138] 6138,83 unequal: No Solution Exploring Operation: 93-66=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 93+66=159, Resulting Numbers: [159] 159,83 unequal: No Solution Moving to Node #0,4,2 Current State: 83:[64, 37], Operations: ['70+60=130', '130-93=37'] Exploring Operation: 64+37=101, Resulting Numbers: [101] 101,83 unequal: No Solution Exploring Operation: 64-37=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 64*37=2368, Resulting Numbers: [2368] 2368,83 unequal: No Solution Moving to Node #0,4,0 Current State: 83:[130, 29], Operations: ['70+60=130', '93-64=29'] Exploring Operation: 130*29=3770, Resulting Numbers: [3770] 3770,83 unequal: No Solution Exploring Operation: 130+29=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 130-29=101, Resulting Numbers: [101] 101,83 unequal: No Solution Moving to Node #0,4,3 Current State: 83:[130, 157], Operations: ['70+60=130', '93+64=157'] Exploring Operation: 130+157=287, Resulting Numbers: [287] 287,83 unequal: No Solution Exploring Operation: 130*157=20410, Resulting Numbers: [20410] 20410,83 unequal: No Solution Exploring Operation: 157-130=27, Resulting Numbers: [27] 27,83 unequal: No Solution Moving to Node #0,4,4 Current State: 83:[93, 194], Operations: ['70+60=130', '64+130=194'] Exploring Operation: 93*194=18042, Resulting Numbers: [18042] 18042,83 unequal: No Solution Exploring Operation: 93+194=287, Resulting Numbers: [287] 287,83 unequal: No Solution Exploring Operation: 194-93=101, Resulting Numbers: [101] 101,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[70, 64, 33], Operations: ['93-60=33'] Exploring Operation: 70+64=134, Resulting Numbers: [33, 134] Generated Node #0,2,0: 83:[33, 134] Operation: 70+64=134 Exploring Operation: 70+33=103, Resulting Numbers: [64, 103] Generated Node #0,2,1: 83:[64, 103] Operation: 70+33=103 Exploring Operation: 70-33=37, Resulting Numbers: [64, 37] Generated Node #0,2,2: 83:[64, 37] Operation: 70-33=37 Exploring Operation: 64+33=97, Resulting Numbers: [70, 97] Generated Node #0,2,3: 83:[70, 97] Operation: 64+33=97 Exploring Operation: 64-33=31, Resulting Numbers: [70, 31] Generated Node #0,2,4: 83:[70, 31] Operation: 64-33=31 Moving to Node #0,2,3 Current State: 83:[70, 97], Operations: ['93-60=33', '64+33=97'] Exploring Operation: 70*97=6790, Resulting Numbers: [6790] 6790,83 unequal: No Solution Exploring Operation: 97-70=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 70+97=167, Resulting Numbers: [167] 167,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[64, 103], Operations: ['93-60=33', '70+33=103'] Exploring Operation: 64+103=167, Resulting Numbers: [167] 167,83 unequal: No Solution Exploring Operation: 64*103=6592, Resulting Numbers: [6592] 6592,83 unequal: No Solution Exploring Operation: 103-64=39, Resulting Numbers: [39] 39,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[64, 37], Operations: ['93-60=33', '70-33=37'] Exploring Operation: 64+37=101, Resulting Numbers: [101] 101,83 unequal: No Solution Exploring Operation: 64-37=27, Resulting Numbers: [27] 27,83 unequal: No Solution Exploring Operation: 64*37=2368, Resulting Numbers: [2368] 2368,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[70, 31], Operations: ['93-60=33', '64-33=31'] Exploring Operation: 70*31=2170, Resulting Numbers: [2170] 2170,83 unequal: No Solution Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,83 unequal: No Solution Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[33, 134], Operations: ['93-60=33', '70+64=134'] Exploring Operation: 33*134=4422, Resulting Numbers: [4422] 4422,83 unequal: No Solution Exploring Operation: 134-33=101, Resulting Numbers: [101] 101,83 unequal: No Solution Exploring Operation: 33+134=167, Resulting Numbers: [167] 167,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[93, 60, 134], Operations: ['70+64=134'] Exploring Operation: 93+60=153, Resulting Numbers: [134, 153] Generated Node #0,3,0: 83:[134, 153] Operation: 93+60=153 Exploring Operation: 60+134=194, Resulting Numbers: [93, 194] Generated Node #0,3,1: 83:[93, 194] Operation: 60+134=194 Exploring Operation: 134-93=41, Resulting Numbers: [60, 41] Generated Node #0,3,2: 83:[60, 41] Operation: 134-93=41 Exploring Operation: 134-60=74, Resulting Numbers: [93, 74] Generated Node #0,3,3: 83:[93, 74] Operation: 134-60=74 Exploring Operation: 93-60=33, Resulting Numbers: [134, 33] Generated Node #0,3,4: 83:[134, 33] Operation: 93-60=33 Moving to Node #0,3,3 Current State: 83:[93, 74], Operations: ['70+64=134', '134-60=74'] Exploring Operation: 93+74=167, Resulting Numbers: [167] 167,83 unequal: No Solution Exploring Operation: 93*74=6882, Resulting Numbers: [6882] 6882,83 unequal: No Solution Exploring Operation: 93-74=19, Resulting Numbers: [19] 19,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[60, 41], Operations: ['70+64=134', '134-93=41'] Exploring Operation: 60+41=101, Resulting Numbers: [101] 101,83 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,83 unequal: No Solution Exploring Operation: 60*41=2460, Resulting Numbers: [2460] 2460,83 unequal: No Solution Moving to Node #0,3,4 Current State: 83:[134, 33], Operations: ['70+64=134', '93-60=33'] Exploring Operation: 134-33=101, Resulting Numbers: [101] 101,83 unequal: No Solution Exploring Operation: 134+33=167, Resulting Numbers: [167] 167,83 unequal: No Solution Exploring Operation: 134*33=4422, Resulting Numbers: [4422] 4422,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[134, 153], Operations: ['70+64=134', '93+60=153'] Exploring Operation: 134*153=20502, Resulting Numbers: [20502] 20502,83 unequal: No Solution Exploring Operation: 134+153=287, Resulting Numbers: [287] 287,83 unequal: No Solution Exploring Operation: 153-134=19, Resulting Numbers: [19] 19,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[93, 194], Operations: ['70+64=134', '60+134=194'] Exploring Operation: 93+194=287, Resulting Numbers: [287] 287,83 unequal: No Solution Exploring Operation: 194-93=101, Resulting Numbers: [101] 101,83 unequal: No Solution Exploring Operation: 93*194=18042, Resulting Numbers: [18042] 18042,83 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 Current State: 83:[70, 60, 29], Operations: ['93-64=29'] Exploring Operation: 60+29=89, Resulting Numbers: [70, 89] Generated Node #0,1,0: 83:[70, 89] Operation: 60+29=89 Exploring Operation: 70-29=41, Resulting Numbers: [60, 41] Generated Node #0,1,1: 83:[60, 41] Operation: 70-29=41 Exploring Operation: 70+60=130, Resulting Numbers: [29, 130] Generated Node #0,1,2: 83:[29, 130] Operation: 70+60=130 Exploring Operation: 60-29=31, Resulting Numbers: [70, 31] Generated Node #0,1,3: 83:[70, 31] Operation: 60-29=31 Exploring Operation: 70+29=99, Resulting Numbers: [60, 99] Generated Node #0,1,4: 83:[60, 99] Operation: 70+29=99 Moving to Node #0,1,0 Current State: 83:[70, 89], Operations: ['93-64=29', '60+29=89'] Exploring Operation: 89-70=19, Resulting Numbers: [19] 19,83 unequal: No Solution Exploring Operation: 70+89=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 70*89=6230, Resulting Numbers: [6230] 6230,83 unequal: No Solution Moving to Node #0,1,4 Current State: 83:[60, 99], Operations: ['93-64=29', '70+29=99'] Exploring Operation: 60*99=5940, Resulting Numbers: [5940] 5940,83 unequal: No Solution Exploring Operation: 60+99=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 99-60=39, Resulting Numbers: [39] 39,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[60, 41], Operations: ['93-64=29', '70-29=41'] Exploring Operation: 60*41=2460, Resulting Numbers: [2460] 2460,83 unequal: No Solution Exploring Operation: 60+41=101, Resulting Numbers: [101] 101,83 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[70, 31], Operations: ['93-64=29', '60-29=31'] Exploring Operation: 70*31=2170, Resulting Numbers: [2170] 2170,83 unequal: No Solution Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,83 unequal: No Solution Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[29, 130], Operations: ['93-64=29', '70+60=130'] Exploring Operation: 130-29=101, Resulting Numbers: [101] 101,83 unequal: No Solution Exploring Operation: 29*130=3770, Resulting Numbers: [3770] 3770,83 unequal: No Solution Exploring Operation: 29+130=159, Resulting Numbers: [159] 159,83 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
[ 83, 27, 12, 24 ]
20
[ "83-27=56", "12+24=36", "56-36=20" ]
Current State: 20:[83, 27, 12, 24], Operations: [] Exploring Operation: 83-27=56, Resulting Numbers: [12, 24, 56] Generated Node #2: [12, 24, 56] from Operation: 83-27=56 Current State: 20:[12, 24, 56], Operations: ['83-27=56'] Exploring Operation: 12+24=36, Resulting Numbers: [56, 36] Generated Node #3: [56, 36] from Operation: 12+24=36 Current State: 20:[56, 36], Operations: ['83-27=56', '12+24=36'] Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[83, 27, 12, 24], Operations: [] Exploring Operation: 83-24=59, Resulting Numbers: [27, 12, 59] Generated Node #0,0: 20:[27, 12, 59] Operation: 83-24=59 Exploring Operation: 83-27=56, Resulting Numbers: [12, 24, 56] Generated Node #0,1: 20:[12, 24, 56] Operation: 83-27=56 Exploring Operation: 83-12=71, Resulting Numbers: [27, 24, 71] Generated Node #0,2: 20:[27, 24, 71] Operation: 83-12=71 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[12, 24, 56], Operations: ['83-27=56'] Exploring Operation: 24/12=2, Resulting Numbers: [56, 2] Generated Node #0,1,0: 20:[56, 2] Operation: 24/12=2 Exploring Operation: 56-24=32, Resulting Numbers: [12, 32] Generated Node #0,1,1: 20:[12, 32] Operation: 56-24=32 Exploring Operation: 56-12=44, Resulting Numbers: [24, 44] Generated Node #0,1,2: 20:[24, 44] Operation: 56-12=44 Moving to Node #0,1,1 Current State: 20:[12, 32], Operations: ['83-27=56', '56-24=32'] Exploring Operation: 12+32=44, Resulting Numbers: [44] 44,20 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[83, 27, 12, 24], Operations: [] Exploring Operation: 83-27=56, Resulting Numbers: [12, 24, 56] Generated Node #0,1: 20:[12, 24, 56] Operation: 83-27=56 Moving to Node #0,1 Current State: 20:[12, 24, 56], Operations: ['83-27=56'] Exploring Operation: 56-24=32, Resulting Numbers: [12, 32] Generated Node #0,1,1: 20:[12, 32] Operation: 56-24=32 Moving to Node #0,1,1 Current State: 20:[12, 32], Operations: ['83-27=56', '56-24=32'] Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 58, 40, 50, 6 ]
20
[ "58-50=8", "8-6=2", "40/2=20" ]
Current State: 20:[58, 40, 50, 6], Operations: [] Exploring Operation: 58-50=8, Resulting Numbers: [40, 6, 8] Generated Node #2: [40, 6, 8] from Operation: 58-50=8 Current State: 20:[40, 6, 8], Operations: ['58-50=8'] Exploring Operation: 8-6=2, Resulting Numbers: [40, 2] Generated Node #3: [40, 2] from Operation: 8-6=2 Current State: 20:[40, 2], Operations: ['58-50=8', '8-6=2'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[58, 40, 50, 6], Operations: [] Exploring Operation: 58-6=52, Resulting Numbers: [40, 50, 52] Generated Node #0,0: 20:[40, 50, 52] Operation: 58-6=52 Exploring Operation: 58-40=18, Resulting Numbers: [50, 6, 18] Generated Node #0,1: 20:[50, 6, 18] Operation: 58-40=18 Exploring Operation: 58-50=8, Resulting Numbers: [40, 6, 8] Generated Node #0,2: 20:[40, 6, 8] Operation: 58-50=8 Exploring Operation: 50-40=10, Resulting Numbers: [58, 6, 10] Generated Node #0,3: 20:[58, 6, 10] Operation: 50-40=10 Moving to Node #0,2 Current State: 20:[40, 6, 8], Operations: ['58-50=8'] Exploring Operation: 8-6=2, Resulting Numbers: [40, 2] Generated Node #0,2,0: 20:[40, 2] Operation: 8-6=2 Exploring Operation: 40-8=32, Resulting Numbers: [6, 32] Generated Node #0,2,1: 20:[6, 32] Operation: 40-8=32 Exploring Operation: 40-6=34, Resulting Numbers: [8, 34] Generated Node #0,2,2: 20:[8, 34] Operation: 40-6=34 Exploring Operation: 40/8=5, Resulting Numbers: [6, 5] Generated Node #0,2,3: 20:[6, 5] Operation: 40/8=5 Moving to Node #0,1 Current State: 20:[50, 6, 18], Operations: ['58-40=18'] Exploring Operation: 50-18=32, Resulting Numbers: [6, 32] Generated Node #0,1,0: 20:[6, 32] Operation: 50-18=32 Exploring Operation: 18/6=3, Resulting Numbers: [50, 3] Generated Node #0,1,1: 20:[50, 3] Operation: 18/6=3 Exploring Operation: 18-6=12, Resulting Numbers: [50, 12] Generated Node #0,1,2: 20:[50, 12] Operation: 18-6=12 Exploring Operation: 50-6=44, Resulting Numbers: [18, 44] Generated Node #0,1,3: 20:[18, 44] Operation: 50-6=44 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[6, 32], Operations: ['58-40=18', '50-18=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,20 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,20 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 20:[18, 44], Operations: ['58-40=18', '50-6=44'] Exploring Operation: 18*44=792, Resulting Numbers: [792] 792,20 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,20 unequal: No Solution Exploring Operation: 18+44=62, Resulting Numbers: [62] 62,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[50, 3], Operations: ['58-40=18', '18/6=3'] Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,20 unequal: No Solution Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,20 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 20:[50, 12], Operations: ['58-40=18', '18-6=12'] Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,20 unequal: No Solution Exploring Operation: 50*12=600, Resulting Numbers: [600] 600,20 unequal: No Solution Exploring Operation: 50+12=62, Resulting Numbers: [62] 62,20 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: 20:[58, 6, 10], Operations: ['50-40=10'] Exploring Operation: 58-6=52, Resulting Numbers: [10, 52] Generated Node #0,3,0: 20:[10, 52] Operation: 58-6=52 Exploring Operation: 6+10=16, Resulting Numbers: [58, 16] Generated Node #0,3,1: 20:[58, 16] Operation: 6+10=16 Exploring Operation: 10-6=4, Resulting Numbers: [58, 4] Generated Node #0,3,2: 20:[58, 4] Operation: 10-6=4 Exploring Operation: 58-10=48, Resulting Numbers: [6, 48] Generated Node #0,3,3: 20:[6, 48] Operation: 58-10=48 Moving to Node #0,0 Current State: 20:[40, 50, 52], Operations: ['58-6=52'] Exploring Operation: 52-40=12, Resulting Numbers: [50, 12] Generated Node #0,0,0: 20:[50, 12] Operation: 52-40=12 Exploring Operation: 50-40=10, Resulting Numbers: [52, 10] Generated Node #0,0,1: 20:[52, 10] Operation: 50-40=10 Exploring Operation: 52-50=2, Resulting Numbers: [40, 2] Generated Node #0,0,2: 20:[40, 2] Operation: 52-50=2 Exploring Operation: 40+50=90, Resulting Numbers: [52, 90] Generated Node #0,0,3: 20:[52, 90] Operation: 40+50=90 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[40, 2], Operations: ['58-6=52', '52-50=2'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,20 unequal: No Solution Exploring Operation: 40*2=80, Resulting Numbers: [80] 80,20 unequal: No Solution Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,20 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[58, 40, 50, 6], Operations: [] Exploring Operation: 58-6=52, Resulting Numbers: [40, 50, 52] Generated Node #0,0: 20:[40, 50, 52] Operation: 58-6=52 Moving to Node #0,0 Current State: 20:[40, 50, 52], Operations: ['58-6=52'] Exploring Operation: 52-50=2, Resulting Numbers: [40, 2] Generated Node #0,0,2: 20:[40, 2] Operation: 52-50=2 Moving to Node #0,0,2 Current State: 20:[40, 2], Operations: ['58-6=52', '52-50=2'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_4
mult_heuristic
[ 93, 76, 81, 15 ]
90
[ "81-76=5", "15/5=3", "93-3=90" ]
Current State: 90:[93, 76, 81, 15], Operations: [] Exploring Operation: 81-76=5, Resulting Numbers: [93, 15, 5] Generated Node #2: [93, 15, 5] from Operation: 81-76=5 Current State: 90:[93, 15, 5], Operations: ['81-76=5'] Exploring Operation: 15/5=3, Resulting Numbers: [93, 3] Generated Node #3: [93, 3] from Operation: 15/5=3 Current State: 90:[93, 3], Operations: ['81-76=5', '15/5=3'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[93, 76, 81, 15], Operations: [] Exploring Operation: 76+15=91, Resulting Numbers: [93, 81, 91] Generated Node #0,0: 90:[93, 81, 91] Operation: 76+15=91 Exploring Operation: 93-81=12, Resulting Numbers: [76, 15, 12] Generated Node #0,1: 90:[76, 15, 12] Operation: 93-81=12 Exploring Operation: 93-76=17, Resulting Numbers: [81, 15, 17] Generated Node #0,2: 90:[81, 15, 17] Operation: 93-76=17 Exploring Operation: 81-76=5, Resulting Numbers: [93, 15, 5] Generated Node #0,3: 90:[93, 15, 5] Operation: 81-76=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[93, 15, 5], Operations: ['81-76=5'] Exploring Operation: 15+5=20, Resulting Numbers: [93, 20] Generated Node #0,3,0: 90:[93, 20] Operation: 15+5=20 Exploring Operation: 15-5=10, Resulting Numbers: [93, 10] Generated Node #0,3,1: 90:[93, 10] Operation: 15-5=10 Exploring Operation: 15/5=3, Resulting Numbers: [93, 3] Generated Node #0,3,2: 90:[93, 3] Operation: 15/5=3 Exploring Operation: 93-5=88, Resulting Numbers: [15, 88] Generated Node #0,3,3: 90:[15, 88] Operation: 93-5=88 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 90:[15, 88], Operations: ['81-76=5', '93-5=88'] Exploring Operation: 15+88=103, Resulting Numbers: [103] 103,90 unequal: No Solution Exploring Operation: 15*88=1320, Resulting Numbers: [1320] 1320,90 unequal: No Solution Exploring Operation: 88-15=73, Resulting Numbers: [73] 73,90 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 #0,3,1 Current State: 90:[93, 10], Operations: ['81-76=5', '15-5=10'] Exploring Operation: 93-10=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 93+10=103, Resulting Numbers: [103] 103,90 unequal: No Solution Exploring Operation: 93*10=930, Resulting Numbers: [930] 930,90 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 #0,3,2 Current State: 90:[93, 3], Operations: ['81-76=5', '15/5=3'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[93, 76, 81, 15], Operations: [] Exploring Operation: 81-76=5, Resulting Numbers: [93, 15, 5] Generated Node #0,3: 90:[93, 15, 5] Operation: 81-76=5 Moving to Node #0,3 Current State: 90:[93, 15, 5], Operations: ['81-76=5'] Exploring Operation: 15/5=3, Resulting Numbers: [93, 3] Generated Node #0,3,2: 90:[93, 3] Operation: 15/5=3 Moving to Node #0,3,2 Current State: 90:[93, 3], Operations: ['81-76=5', '15/5=3'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 22, 90, 42, 89 ]
21
[ "90-22=68", "89-42=47", "68-47=21" ]
Current State: 21:[22, 90, 42, 89], Operations: [] Exploring Operation: 90-22=68, Resulting Numbers: [42, 89, 68] Generated Node #2: [42, 89, 68] from Operation: 90-22=68 Current State: 21:[42, 89, 68], Operations: ['90-22=68'] Exploring Operation: 89-42=47, Resulting Numbers: [68, 47] Generated Node #3: [68, 47] from Operation: 89-42=47 Current State: 21:[68, 47], Operations: ['90-22=68', '89-42=47'] Exploring Operation: 68-47=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[22, 90, 42, 89], Operations: [] Exploring Operation: 90-22=68, Resulting Numbers: [42, 89, 68] Generated Node #0,0: 21:[42, 89, 68] Operation: 90-22=68 Exploring Operation: 89-42=47, Resulting Numbers: [22, 90, 47] Generated Node #0,1: 21:[22, 90, 47] Operation: 89-42=47 Exploring Operation: 90-89=1, Resulting Numbers: [22, 42, 1] Generated Node #0,2: 21:[22, 42, 1] Operation: 90-89=1 Exploring Operation: 90-42=48, Resulting Numbers: [22, 89, 48] Generated Node #0,3: 21:[22, 89, 48] Operation: 90-42=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[22, 42, 1], Operations: ['90-89=1'] Exploring Operation: 42-22=20, Resulting Numbers: [1, 20] Generated Node #0,2,0: 21:[1, 20] Operation: 42-22=20 Exploring Operation: 22-1=21, Resulting Numbers: [42, 21] Generated Node #0,2,1: 21:[42, 21] Operation: 22-1=21 Exploring Operation: 22*1=22, Resulting Numbers: [42, 22] Generated Node #0,2,2: 21:[42, 22] Operation: 22*1=22 Exploring Operation: 42-1=41, Resulting Numbers: [22, 41] Generated Node #0,2,3: 21:[22, 41] Operation: 42-1=41 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 21:[1, 20], Operations: ['90-89=1', '42-22=20'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,21 unequal: No Solution Exploring Operation: 1+20=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[22, 90, 42, 89], Operations: [] Exploring Operation: 90-89=1, Resulting Numbers: [22, 42, 1] Generated Node #0,2: 21:[22, 42, 1] Operation: 90-89=1 Moving to Node #0,2 Current State: 21:[22, 42, 1], Operations: ['90-89=1'] Exploring Operation: 42-22=20, Resulting Numbers: [1, 20] Generated Node #0,2,0: 21:[1, 20] Operation: 42-22=20 Moving to Node #0,2,0 Current State: 21:[1, 20], Operations: ['90-89=1', '42-22=20'] Exploring Operation: 1+20=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 64, 35, 11, 8 ]
53
[ "64*11=704", "704/8=88", "88-35=53" ]
Current State: 53:[64, 35, 11, 8], Operations: [] Exploring Operation: 64*11=704, Resulting Numbers: [35, 8, 704] Generated Node #2: [35, 8, 704] from Operation: 64*11=704 Current State: 53:[35, 8, 704], Operations: ['64*11=704'] Exploring Operation: 704/8=88, Resulting Numbers: [35, 88] Generated Node #3: [35, 88] from Operation: 704/8=88 Current State: 53:[35, 88], Operations: ['64*11=704', '704/8=88'] Exploring Operation: 88-35=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[64, 35, 11, 8], Operations: [] Exploring Operation: 64-11=53, Resulting Numbers: [35, 8, 53] Generated Node #0,0: 53:[35, 8, 53] Operation: 64-11=53 Exploring Operation: 35+8=43, Resulting Numbers: [64, 11, 43] Generated Node #0,1: 53:[64, 11, 43] Operation: 35+8=43 Exploring Operation: 64-8=56, Resulting Numbers: [35, 11, 56] Generated Node #0,2: 53:[35, 11, 56] Operation: 64-8=56 Exploring Operation: 35+11=46, Resulting Numbers: [64, 8, 46] Generated Node #0,3: 53:[64, 8, 46] Operation: 35+11=46 Moving to Node #0,0 Current State: 53:[35, 8, 53], Operations: ['64-11=53'] Exploring Operation: 35-8=27, Resulting Numbers: [53, 27] Generated Node #0,0,0: 53:[53, 27] Operation: 35-8=27 Exploring Operation: 53-8=45, Resulting Numbers: [35, 45] Generated Node #0,0,1: 53:[35, 45] Operation: 53-8=45 Exploring Operation: 35+8=43, Resulting Numbers: [53, 43] Generated Node #0,0,2: 53:[53, 43] Operation: 35+8=43 Exploring Operation: 8+53=61, Resulting Numbers: [35, 61] Generated Node #0,0,3: 53:[35, 61] Operation: 8+53=61 Moving to Node #0,2 Current State: 53:[35, 11, 56], Operations: ['64-8=56'] Exploring Operation: 35+11=46, Resulting Numbers: [56, 46] Generated Node #0,2,0: 53:[56, 46] Operation: 35+11=46 Exploring Operation: 11+56=67, Resulting Numbers: [35, 67] Generated Node #0,2,1: 53:[35, 67] Operation: 11+56=67 Exploring Operation: 35-11=24, Resulting Numbers: [56, 24] Generated Node #0,2,2: 53:[56, 24] Operation: 35-11=24 Exploring Operation: 56-11=45, Resulting Numbers: [35, 45] Generated Node #0,2,3: 53:[35, 45] Operation: 56-11=45 Moving to Node #0,1 Current State: 53:[64, 11, 43], Operations: ['35+8=43'] Exploring Operation: 64+11=75, Resulting Numbers: [43, 75] Generated Node #0,1,0: 53:[43, 75] Operation: 64+11=75 Exploring Operation: 43-11=32, Resulting Numbers: [64, 32] Generated Node #0,1,1: 53:[64, 32] Operation: 43-11=32 Exploring Operation: 64-11=53, Resulting Numbers: [43, 53] Generated Node #0,1,2: 53:[43, 53] Operation: 64-11=53 Exploring Operation: 11+43=54, Resulting Numbers: [64, 54] Generated Node #0,1,3: 53:[64, 54] Operation: 11+43=54 Moving to Node #0,3 Current State: 53:[64, 8, 46], Operations: ['35+11=46'] Exploring Operation: 64+8=72, Resulting Numbers: [46, 72] Generated Node #0,3,0: 53:[46, 72] Operation: 64+8=72 Exploring Operation: 8+46=54, Resulting Numbers: [64, 54] Generated Node #0,3,1: 53:[64, 54] Operation: 8+46=54 Exploring Operation: 46-8=38, Resulting Numbers: [64, 38] Generated Node #0,3,2: 53:[64, 38] Operation: 46-8=38 Exploring Operation: 64-8=56, Resulting Numbers: [46, 56] Generated Node #0,3,3: 53:[46, 56] Operation: 64-8=56 Moving to Node #0,0,2 Current State: 53:[53, 43], Operations: ['64-11=53', '35+8=43'] Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 53*43=2279, Resulting Numbers: [2279] 2279,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[46, 56], Operations: ['35+11=46', '64-8=56'] Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 46+56=102, Resulting Numbers: [102] 102,53 unequal: No Solution Exploring Operation: 46*56=2576, Resulting Numbers: [2576] 2576,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[56, 46], Operations: ['64-8=56', '35+11=46'] Exploring Operation: 56+46=102, Resulting Numbers: [102] 102,53 unequal: No Solution Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 56*46=2576, Resulting Numbers: [2576] 2576,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[43, 53], Operations: ['35+8=43', '64-11=53'] Exploring Operation: 43*53=2279, Resulting Numbers: [2279] 2279,53 unequal: No Solution Exploring Operation: 43+53=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,53 unequal: No Solution Moving to Node #0,3,1 Current State: 53:[64, 54], Operations: ['35+11=46', '8+46=54'] Exploring Operation: 64+54=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 64-54=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 64*54=3456, Resulting Numbers: [3456] 3456,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[64, 54], Operations: ['35+8=43', '11+43=54'] Exploring Operation: 64*54=3456, Resulting Numbers: [3456] 3456,53 unequal: No Solution Exploring Operation: 64+54=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 64-54=10, Resulting Numbers: [10] 10,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[46, 72], Operations: ['35+11=46', '64+8=72'] Exploring Operation: 46+72=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 46*72=3312, Resulting Numbers: [3312] 3312,53 unequal: No Solution Exploring Operation: 72-46=26, Resulting Numbers: [26] 26,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[35, 45], Operations: ['64-8=56', '56-11=45'] Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 35*45=1575, Resulting Numbers: [1575] 1575,53 unequal: No Solution Exploring Operation: 35+45=80, Resulting Numbers: [80] 80,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[35, 45], Operations: ['64-11=53', '53-8=45'] Exploring Operation: 35+45=80, Resulting Numbers: [80] 80,53 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 35*45=1575, Resulting Numbers: [1575] 1575,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[53, 27], Operations: ['64-11=53', '35-8=27'] Exploring Operation: 53*27=1431, Resulting Numbers: [1431] 1431,53 unequal: No Solution Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,53 unequal: No Solution Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[35, 61], Operations: ['64-11=53', '8+53=61'] Exploring Operation: 35*61=2135, Resulting Numbers: [2135] 2135,53 unequal: No Solution Exploring Operation: 61-35=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 35+61=96, Resulting Numbers: [96] 96,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[64, 38], Operations: ['35+11=46', '46-8=38'] Exploring Operation: 64+38=102, Resulting Numbers: [102] 102,53 unequal: No Solution Exploring Operation: 64*38=2432, Resulting Numbers: [2432] 2432,53 unequal: No Solution Exploring Operation: 64-38=26, Resulting Numbers: [26] 26,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[64, 32], Operations: ['35+8=43', '43-11=32'] Exploring Operation: 64/32=2, Resulting Numbers: [2] 2,53 unequal: No Solution Exploring Operation: 64+32=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 64*32=2048, Resulting Numbers: [2048] 2048,53 unequal: No Solution Exploring Operation: 64-32=32, Resulting Numbers: [32] 32,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[35, 67], Operations: ['64-8=56', '11+56=67'] Exploring Operation: 35*67=2345, Resulting Numbers: [2345] 2345,53 unequal: No Solution Exploring Operation: 67-35=32, Resulting Numbers: [32] 32,53 unequal: No Solution Exploring Operation: 35+67=102, Resulting Numbers: [102] 102,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[43, 75], Operations: ['35+8=43', '64+11=75'] Exploring Operation: 75-43=32, Resulting Numbers: [32] 32,53 unequal: No Solution Exploring Operation: 43*75=3225, Resulting Numbers: [3225] 3225,53 unequal: No Solution Exploring Operation: 43+75=118, Resulting Numbers: [118] 118,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[56, 24], Operations: ['64-8=56', '35-11=24'] Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,53 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,53 unequal: No Solution Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,53 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 76, 2, 5, 36 ]
16
[ "76+36=112", "2+5=7", "112/7=16" ]
Current State: 16:[76, 2, 5, 36], Operations: [] Exploring Operation: 76+36=112, Resulting Numbers: [2, 5, 112] Generated Node #2: [2, 5, 112] from Operation: 76+36=112 Current State: 16:[2, 5, 112], Operations: ['76+36=112'] Exploring Operation: 2+5=7, Resulting Numbers: [112, 7] Generated Node #3: [112, 7] from Operation: 2+5=7 Current State: 16:[112, 7], Operations: ['76+36=112', '2+5=7'] Exploring Operation: 112/7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[76, 2, 5, 36], Operations: [] Exploring Operation: 76-36=40, Resulting Numbers: [2, 5, 40] Generated Node #0,0: 16:[2, 5, 40] Operation: 76-36=40 Exploring Operation: 76/2=38, Resulting Numbers: [5, 36, 38] Generated Node #0,1: 16:[5, 36, 38] Operation: 76/2=38 Exploring Operation: 76-5=71, Resulting Numbers: [2, 36, 71] Generated Node #0,2: 16:[2, 36, 71] Operation: 76-5=71 Exploring Operation: 36/2=18, Resulting Numbers: [76, 5, 18] Generated Node #0,3: 16:[76, 5, 18] Operation: 36/2=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[2, 5, 40], Operations: ['76-36=40'] Exploring Operation: 40-2=38, Resulting Numbers: [5, 38] Generated Node #0,0,0: 16:[5, 38] Operation: 40-2=38 Exploring Operation: 40/5=8, Resulting Numbers: [2, 8] Generated Node #0,0,1: 16:[2, 8] Operation: 40/5=8 Exploring Operation: 40/2=20, Resulting Numbers: [5, 20] Generated Node #0,0,2: 16:[5, 20] Operation: 40/2=20 Exploring Operation: 40-5=35, Resulting Numbers: [2, 35] Generated Node #0,0,3: 16:[2, 35] Operation: 40-5=35 Moving to Node #0,0,1 Current State: 16:[2, 8], Operations: ['76-36=40', '40/5=8'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[76, 2, 5, 36], Operations: [] Exploring Operation: 76-36=40, Resulting Numbers: [2, 5, 40] Generated Node #0,0: 16:[2, 5, 40] Operation: 76-36=40 Moving to Node #0,0 Current State: 16:[2, 5, 40], Operations: ['76-36=40'] Exploring Operation: 40/5=8, Resulting Numbers: [2, 8] Generated Node #0,0,1: 16:[2, 8] Operation: 40/5=8 Moving to Node #0,0,1 Current State: 16:[2, 8], Operations: ['76-36=40', '40/5=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 76, 30, 8, 61 ]
90
[ "76-61=15", "8*15=120", "120-30=90" ]
Current State: 90:[76, 30, 8, 61], Operations: [] Exploring Operation: 76-61=15, Resulting Numbers: [30, 8, 15] Generated Node #2: [30, 8, 15] from Operation: 76-61=15 Current State: 90:[30, 8, 15], Operations: ['76-61=15'] Exploring Operation: 8*15=120, Resulting Numbers: [30, 120] Generated Node #3: [30, 120] from Operation: 8*15=120 Current State: 90:[30, 120], Operations: ['76-61=15', '8*15=120'] Exploring Operation: 120-30=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[76, 30, 8, 61], Operations: [] Exploring Operation: 76-61=15, Resulting Numbers: [30, 8, 15] Generated Node #0,0: 90:[30, 8, 15] Operation: 76-61=15 Exploring Operation: 30+61=91, Resulting Numbers: [76, 8, 91] Generated Node #0,1: 90:[76, 8, 91] Operation: 30+61=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[30, 8, 15], Operations: ['76-61=15'] Exploring Operation: 30+15=45, Resulting Numbers: [8, 45] Generated Node #0,0,0: 90:[8, 45] Operation: 30+15=45 Exploring Operation: 30-15=15, Resulting Numbers: [8, 15] Generated Node #0,0,1: 90:[8, 15] Operation: 30-15=15 Moving to Node #0,0,0 Current State: 90:[8, 45], Operations: ['76-61=15', '30+15=45'] Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,90 unequal: No Solution Exploring Operation: 8+45=53, Resulting Numbers: [53] 53,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[8, 15], Operations: ['76-61=15', '30-15=15'] Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,90 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 Current State: 90:[76, 8, 91], Operations: ['30+61=91'] Exploring Operation: 76+8=84, Resulting Numbers: [91, 84] Generated Node #0,1,0: 90:[91, 84] Operation: 76+8=84 Exploring Operation: 91-76=15, Resulting Numbers: [8, 15] Generated Node #0,1,1: 90:[8, 15] Operation: 91-76=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 90:[8, 15], Operations: ['30+61=91', '91-76=15'] Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,90 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 #0,1,0 Current State: 90:[91, 84], Operations: ['30+61=91', '76+8=84'] Exploring Operation: 91-84=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 91+84=175, Resulting Numbers: [175] 175,90 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 No solution found.
0
hs_2
mult_heuristic
[ 69, 25, 70, 45 ]
21
[ "69+25=94", "70+45=115", "115-94=21" ]
Current State: 21:[69, 25, 70, 45], Operations: [] Exploring Operation: 69+25=94, Resulting Numbers: [70, 45, 94] Generated Node #2: [70, 45, 94] from Operation: 69+25=94 Current State: 21:[70, 45, 94], Operations: ['69+25=94'] Exploring Operation: 70+45=115, Resulting Numbers: [94, 115] Generated Node #3: [94, 115] from Operation: 70+45=115 Current State: 21:[94, 115], Operations: ['69+25=94', '70+45=115'] Exploring Operation: 115-94=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[69, 25, 70, 45], Operations: [] Exploring Operation: 70-69=1, Resulting Numbers: [25, 45, 1] Generated Node #0,0: 21:[25, 45, 1] Operation: 70-69=1 Exploring Operation: 69-45=24, Resulting Numbers: [25, 70, 24] Generated Node #0,1: 21:[25, 70, 24] Operation: 69-45=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[25, 45, 1], Operations: ['70-69=1'] Exploring Operation: 45-25=20, Resulting Numbers: [1, 20] Generated Node #0,0,0: 21:[1, 20] Operation: 45-25=20 Exploring Operation: 25-1=24, Resulting Numbers: [45, 24] Generated Node #0,0,1: 21:[45, 24] Operation: 25-1=24 Moving to Node #0,0,0 Current State: 21:[1, 20], Operations: ['70-69=1', '45-25=20'] Exploring Operation: 1+20=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[69, 25, 70, 45], Operations: [] Exploring Operation: 70-69=1, Resulting Numbers: [25, 45, 1] Generated Node #0,0: 21:[25, 45, 1] Operation: 70-69=1 Moving to Node #0,0 Current State: 21:[25, 45, 1], Operations: ['70-69=1'] Exploring Operation: 45-25=20, Resulting Numbers: [1, 20] Generated Node #0,0,0: 21:[1, 20] Operation: 45-25=20 Moving to Node #0,0,0 Current State: 21:[1, 20], Operations: ['70-69=1', '45-25=20'] Exploring Operation: 1+20=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 52, 4, 55, 85 ]
88
[ "52+55=107", "107-85=22", "4*22=88" ]
Current State: 88:[52, 4, 55, 85], Operations: [] Exploring Operation: 52+55=107, Resulting Numbers: [4, 85, 107] Generated Node #2: [4, 85, 107] from Operation: 52+55=107 Current State: 88:[4, 85, 107], Operations: ['52+55=107'] Exploring Operation: 107-85=22, Resulting Numbers: [4, 22] Generated Node #3: [4, 22] from Operation: 107-85=22 Current State: 88:[4, 22], Operations: ['52+55=107', '107-85=22'] Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[52, 4, 55, 85], Operations: [] Exploring Operation: 55-52=3, Resulting Numbers: [4, 85, 3] Generated Node #0,0: 88:[4, 85, 3] Operation: 55-52=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[4, 85, 3], Operations: ['55-52=3'] Exploring Operation: 85+3=88, Resulting Numbers: [4, 88] Generated Node #0,0,0: 88:[4, 88] Operation: 85+3=88 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[4, 88], Operations: ['55-52=3', '85+3=88'] Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 69, 51, 97, 1 ]
22
[ "69+51=120", "97+1=98", "120-98=22" ]
Current State: 22:[69, 51, 97, 1], Operations: [] Exploring Operation: 69+51=120, Resulting Numbers: [97, 1, 120] Generated Node #2: [97, 1, 120] from Operation: 69+51=120 Current State: 22:[97, 1, 120], Operations: ['69+51=120'] Exploring Operation: 97+1=98, Resulting Numbers: [120, 98] Generated Node #3: [120, 98] from Operation: 97+1=98 Current State: 22:[120, 98], Operations: ['69+51=120', '97+1=98'] Exploring Operation: 120-98=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[69, 51, 97, 1], Operations: [] Exploring Operation: 97-69=28, Resulting Numbers: [51, 1, 28] Generated Node #0,0: 22:[51, 1, 28] Operation: 97-69=28 Exploring Operation: 69-51=18, Resulting Numbers: [97, 1, 18] Generated Node #0,1: 22:[97, 1, 18] Operation: 69-51=18 Exploring Operation: 97-51=46, Resulting Numbers: [69, 1, 46] Generated Node #0,2: 22:[69, 1, 46] Operation: 97-51=46 Moving to Node #0,0 Current State: 22:[51, 1, 28], Operations: ['97-69=28'] Exploring Operation: 51-1=50, Resulting Numbers: [28, 50] Generated Node #0,0,0: 22:[28, 50] Operation: 51-1=50 Exploring Operation: 28-1=27, Resulting Numbers: [51, 27] Generated Node #0,0,1: 22:[51, 27] Operation: 28-1=27 Exploring Operation: 51-28=23, Resulting Numbers: [1, 23] Generated Node #0,0,2: 22:[1, 23] Operation: 51-28=23 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 22:[1, 23], Operations: ['97-69=28', '51-28=23'] Exploring Operation: 1*23=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[69, 51, 97, 1], Operations: [] Exploring Operation: 97-69=28, Resulting Numbers: [51, 1, 28] Generated Node #0,0: 22:[51, 1, 28] Operation: 97-69=28 Moving to Node #0,0 Current State: 22:[51, 1, 28], Operations: ['97-69=28'] Exploring Operation: 51-28=23, Resulting Numbers: [1, 23] Generated Node #0,0,2: 22:[1, 23] Operation: 51-28=23 Moving to Node #0,0,2 Current State: 22:[1, 23], Operations: ['97-69=28', '51-28=23'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 44, 38, 49, 58 ]
54
[ "44-38=6", "58-49=9", "6*9=54" ]
Current State: 54:[44, 38, 49, 58], Operations: [] Exploring Operation: 44-38=6, Resulting Numbers: [49, 58, 6] Generated Node #2: [49, 58, 6] from Operation: 44-38=6 Current State: 54:[49, 58, 6], Operations: ['44-38=6'] Exploring Operation: 58-49=9, Resulting Numbers: [6, 9] Generated Node #3: [6, 9] from Operation: 58-49=9 Current State: 54:[6, 9], Operations: ['44-38=6', '58-49=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[44, 38, 49, 58], Operations: [] Exploring Operation: 49-38=11, Resulting Numbers: [44, 58, 11] Generated Node #0,0: 54:[44, 58, 11] Operation: 49-38=11 Exploring Operation: 44-38=6, Resulting Numbers: [49, 58, 6] Generated Node #0,1: 54:[49, 58, 6] Operation: 44-38=6 Exploring Operation: 49-44=5, Resulting Numbers: [38, 58, 5] Generated Node #0,2: 54:[38, 58, 5] Operation: 49-44=5 Moving to Node #0,1 Current State: 54:[49, 58, 6], Operations: ['44-38=6'] Exploring Operation: 58-49=9, Resulting Numbers: [6, 9] Generated Node #0,1,0: 54:[6, 9] Operation: 58-49=9 Exploring Operation: 58-6=52, Resulting Numbers: [49, 52] Generated Node #0,1,1: 54:[49, 52] Operation: 58-6=52 Exploring Operation: 49+6=55, Resulting Numbers: [58, 55] Generated Node #0,1,2: 54:[58, 55] Operation: 49+6=55 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 54:[6, 9], Operations: ['44-38=6', '58-49=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[44, 38, 49, 58], Operations: [] Exploring Operation: 44-38=6, Resulting Numbers: [49, 58, 6] Generated Node #0,1: 54:[49, 58, 6] Operation: 44-38=6 Moving to Node #0,1 Current State: 54:[49, 58, 6], Operations: ['44-38=6'] Exploring Operation: 58-49=9, Resulting Numbers: [6, 9] Generated Node #0,1,0: 54:[6, 9] Operation: 58-49=9 Moving to Node #0,1,0 Current State: 54:[6, 9], Operations: ['44-38=6', '58-49=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 10, 70, 26, 61 ]
27
[ "70-10=60", "26+61=87", "87-60=27" ]
Current State: 27:[10, 70, 26, 61], Operations: [] Exploring Operation: 70-10=60, Resulting Numbers: [26, 61, 60] Generated Node #2: [26, 61, 60] from Operation: 70-10=60 Current State: 27:[26, 61, 60], Operations: ['70-10=60'] Exploring Operation: 26+61=87, Resulting Numbers: [60, 87] Generated Node #3: [60, 87] from Operation: 26+61=87 Current State: 27:[60, 87], Operations: ['70-10=60', '26+61=87'] Exploring Operation: 87-60=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[10, 70, 26, 61], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [10, 26, 9] Generated Node #0,0: 27:[10, 26, 9] Operation: 70-61=9 Exploring Operation: 70/10=7, Resulting Numbers: [26, 61, 7] Generated Node #0,1: 27:[26, 61, 7] Operation: 70/10=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[10, 26, 9], Operations: ['70-61=9'] Exploring Operation: 26-10=16, Resulting Numbers: [9, 16] Generated Node #0,0,0: 27:[9, 16] Operation: 26-10=16 Exploring Operation: 10-9=1, Resulting Numbers: [26, 1] Generated Node #0,0,1: 27:[26, 1] Operation: 10-9=1 Moving to Node #0,0,1 Current State: 27:[26, 1], Operations: ['70-61=9', '10-9=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[10, 70, 26, 61], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [10, 26, 9] Generated Node #0,0: 27:[10, 26, 9] Operation: 70-61=9 Moving to Node #0,0 Current State: 27:[10, 26, 9], Operations: ['70-61=9'] Exploring Operation: 10-9=1, Resulting Numbers: [26, 1] Generated Node #0,0,1: 27:[26, 1] Operation: 10-9=1 Moving to Node #0,0,1 Current State: 27:[26, 1], Operations: ['70-61=9', '10-9=1'] Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 98, 25, 21, 27 ]
28
[ "27-25=2", "98/2=49", "49-21=28" ]
Current State: 28:[98, 25, 21, 27], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [98, 21, 2] Generated Node #2: [98, 21, 2] from Operation: 27-25=2 Current State: 28:[98, 21, 2], Operations: ['27-25=2'] Exploring Operation: 98/2=49, Resulting Numbers: [21, 49] Generated Node #3: [21, 49] from Operation: 98/2=49 Current State: 28:[21, 49], Operations: ['27-25=2', '98/2=49'] Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[98, 25, 21, 27], Operations: [] Exploring Operation: 98-21=77, Resulting Numbers: [25, 27, 77] Generated Node #0,0: 28:[25, 27, 77] Operation: 98-21=77 Exploring Operation: 98-25=73, Resulting Numbers: [21, 27, 73] Generated Node #0,1: 28:[21, 27, 73] Operation: 98-25=73 Exploring Operation: 98-27=71, Resulting Numbers: [25, 21, 71] Generated Node #0,2: 28:[25, 21, 71] Operation: 98-27=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[25, 27, 77], Operations: ['98-21=77'] Exploring Operation: 27-25=2, Resulting Numbers: [77, 2] Generated Node #0,0,0: 28:[77, 2] Operation: 27-25=2 Exploring Operation: 77-25=52, Resulting Numbers: [27, 52] Generated Node #0,0,1: 28:[27, 52] Operation: 77-25=52 Exploring Operation: 77-27=50, Resulting Numbers: [25, 50] Generated Node #0,0,2: 28:[25, 50] Operation: 77-27=50 Moving to Node #0,0,1 Current State: 28:[27, 52], Operations: ['98-21=77', '77-25=52'] Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,28 unequal: No Solution Exploring Operation: 27*52=1404, Resulting Numbers: [1404] 1404,28 unequal: No Solution Exploring Operation: 27+52=79, Resulting Numbers: [79] 79,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[25, 50], Operations: ['98-21=77', '77-27=50'] Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 25+50=75, Resulting Numbers: [75] 75,28 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[77, 2], Operations: ['98-21=77', '27-25=2'] Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,28 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,28 unequal: No Solution Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,28 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 Current State: 28:[21, 27, 73], Operations: ['98-25=73'] Exploring Operation: 73-21=52, Resulting Numbers: [27, 52] Generated Node #0,1,0: 28:[27, 52] Operation: 73-21=52 Exploring Operation: 27-21=6, Resulting Numbers: [73, 6] Generated Node #0,1,1: 28:[73, 6] Operation: 27-21=6 Exploring Operation: 73-27=46, Resulting Numbers: [21, 46] Generated Node #0,1,2: 28:[21, 46] Operation: 73-27=46 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 28:[27, 52], Operations: ['98-25=73', '73-21=52'] Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,28 unequal: No Solution Exploring Operation: 27*52=1404, Resulting Numbers: [1404] 1404,28 unequal: No Solution Exploring Operation: 27+52=79, Resulting Numbers: [79] 79,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 28:[21, 46], Operations: ['98-25=73', '73-27=46'] Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,28 unequal: No Solution Exploring Operation: 21+46=67, Resulting Numbers: [67] 67,28 unequal: No Solution Exploring Operation: 21*46=966, Resulting Numbers: [966] 966,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 28:[73, 6], Operations: ['98-25=73', '27-21=6'] Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,28 unequal: No Solution Exploring Operation: 73+6=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 73*6=438, Resulting Numbers: [438] 438,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[25, 21, 71], Operations: ['98-27=71'] Exploring Operation: 71-25=46, Resulting Numbers: [21, 46] Generated Node #0,2,0: 28:[21, 46] Operation: 71-25=46 Exploring Operation: 71-21=50, Resulting Numbers: [25, 50] Generated Node #0,2,1: 28:[25, 50] Operation: 71-21=50 Exploring Operation: 25-21=4, Resulting Numbers: [71, 4] Generated Node #0,2,2: 28:[71, 4] Operation: 25-21=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 28:[21, 46], Operations: ['98-27=71', '71-25=46'] Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,28 unequal: No Solution Exploring Operation: 21+46=67, Resulting Numbers: [67] 67,28 unequal: No Solution Exploring Operation: 21*46=966, Resulting Numbers: [966] 966,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 28:[25, 50], Operations: ['98-27=71', '71-21=50'] Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 25+50=75, Resulting Numbers: [75] 75,28 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 28:[71, 4], Operations: ['98-27=71', '25-21=4'] Exploring Operation: 71*4=284, Resulting Numbers: [284] 284,28 unequal: No Solution Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,28 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 12, 80, 50, 7 ]
49
[ "12+80=92", "50-7=43", "92-43=49" ]
Current State: 49:[12, 80, 50, 7], Operations: [] Exploring Operation: 12+80=92, Resulting Numbers: [50, 7, 92] Generated Node #2: [50, 7, 92] from Operation: 12+80=92 Current State: 49:[50, 7, 92], Operations: ['12+80=92'] Exploring Operation: 50-7=43, Resulting Numbers: [92, 43] Generated Node #3: [92, 43] from Operation: 50-7=43 Current State: 49:[92, 43], Operations: ['12+80=92', '50-7=43'] Exploring Operation: 92-43=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[12, 80, 50, 7], Operations: [] Exploring Operation: 50-12=38, Resulting Numbers: [80, 7, 38] Generated Node #0,0: 49:[80, 7, 38] Operation: 50-12=38 Exploring Operation: 80-50=30, Resulting Numbers: [12, 7, 30] Generated Node #0,1: 49:[12, 7, 30] Operation: 80-50=30 Exploring Operation: 80-12=68, Resulting Numbers: [50, 7, 68] Generated Node #0,2: 49:[50, 7, 68] Operation: 80-12=68 Exploring Operation: 12-7=5, Resulting Numbers: [80, 50, 5] Generated Node #0,3: 49:[80, 50, 5] Operation: 12-7=5 Exploring Operation: 80-7=73, Resulting Numbers: [12, 50, 73] Generated Node #0,4: 49:[12, 50, 73] Operation: 80-7=73 Moving to Node #0,2 Current State: 49:[50, 7, 68], Operations: ['80-12=68'] Exploring Operation: 50-7=43, Resulting Numbers: [68, 43] Generated Node #0,2,0: 49:[68, 43] Operation: 50-7=43 Exploring Operation: 50+7=57, Resulting Numbers: [68, 57] Generated Node #0,2,1: 49:[68, 57] Operation: 50+7=57 Exploring Operation: 7+68=75, Resulting Numbers: [50, 75] Generated Node #0,2,2: 49:[50, 75] Operation: 7+68=75 Exploring Operation: 68-50=18, Resulting Numbers: [7, 18] Generated Node #0,2,3: 49:[7, 18] Operation: 68-50=18 Exploring Operation: 68-7=61, Resulting Numbers: [50, 61] Generated Node #0,2,4: 49:[50, 61] Operation: 68-7=61 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 49:[7, 18], Operations: ['80-12=68', '68-50=18'] Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,49 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,49 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 #0,2,4 Current State: 49:[50, 61], Operations: ['80-12=68', '68-7=61'] Exploring Operation: 50*61=3050, Resulting Numbers: [3050] 3050,49 unequal: No Solution Exploring Operation: 50+61=111, Resulting Numbers: [111] 111,49 unequal: No Solution Exploring Operation: 61-50=11, Resulting Numbers: [11] 11,49 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 #0,2,0 Current State: 49:[68, 43], Operations: ['80-12=68', '50-7=43'] Exploring Operation: 68+43=111, Resulting Numbers: [111] 111,49 unequal: No Solution Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 68*43=2924, Resulting Numbers: [2924] 2924,49 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 #0,2,1 Current State: 49:[68, 57], Operations: ['80-12=68', '50+7=57'] Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,49 unequal: No Solution Exploring Operation: 68*57=3876, Resulting Numbers: [3876] 3876,49 unequal: No Solution Exploring Operation: 68+57=125, Resulting Numbers: [125] 125,49 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 #0,2,2 Current State: 49:[50, 75], Operations: ['80-12=68', '7+68=75'] Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 50+75=125, Resulting Numbers: [125] 125,49 unequal: No Solution Exploring Operation: 50*75=3750, Resulting Numbers: [3750] 3750,49 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: 49:[12, 7, 30], Operations: ['80-50=30'] Exploring Operation: 12+30=42, Resulting Numbers: [7, 42] Generated Node #0,1,0: 49:[7, 42] Operation: 12+30=42 Exploring Operation: 7+30=37, Resulting Numbers: [12, 37] Generated Node #0,1,1: 49:[12, 37] Operation: 7+30=37 Exploring Operation: 30-12=18, Resulting Numbers: [7, 18] Generated Node #0,1,2: 49:[7, 18] Operation: 30-12=18 Exploring Operation: 12-7=5, Resulting Numbers: [30, 5] Generated Node #0,1,3: 49:[30, 5] Operation: 12-7=5 Exploring Operation: 30-7=23, Resulting Numbers: [12, 23] Generated Node #0,1,4: 49:[12, 23] Operation: 30-7=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[7, 42], Operations: ['80-50=30', '12+30=42'] Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 7*42=294, Resulting Numbers: [294] 294,49 unequal: No Solution Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[12, 80, 50, 7], Operations: [] Exploring Operation: 80-50=30, Resulting Numbers: [12, 7, 30] Generated Node #0,1: 49:[12, 7, 30] Operation: 80-50=30 Moving to Node #0,1 Current State: 49:[12, 7, 30], Operations: ['80-50=30'] Exploring Operation: 12+30=42, Resulting Numbers: [7, 42] Generated Node #0,1,0: 49:[7, 42] Operation: 12+30=42 Moving to Node #0,1,0 Current State: 49:[7, 42], Operations: ['80-50=30', '12+30=42'] Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
mult_heuristic
[ 30, 64, 65, 54 ]
84
[ "30+54=84", "65-64=1", "84*1=84" ]
Current State: 84:[30, 64, 65, 54], Operations: [] Exploring Operation: 30+54=84, Resulting Numbers: [64, 65, 84] Generated Node #2: [64, 65, 84] from Operation: 30+54=84 Current State: 84:[64, 65, 84], Operations: ['30+54=84'] Exploring Operation: 65-64=1, Resulting Numbers: [84, 1] Generated Node #3: [84, 1] from Operation: 65-64=1 Current State: 84:[84, 1], Operations: ['30+54=84', '65-64=1'] Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[30, 64, 65, 54], Operations: [] Exploring Operation: 65-64=1, Resulting Numbers: [30, 54, 1] Generated Node #0,0: 84:[30, 54, 1] Operation: 65-64=1 Exploring Operation: 64-54=10, Resulting Numbers: [30, 65, 10] Generated Node #0,1: 84:[30, 65, 10] Operation: 64-54=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[30, 54, 1], Operations: ['65-64=1'] Exploring Operation: 54-30=24, Resulting Numbers: [1, 24] Generated Node #0,0,0: 84:[1, 24] Operation: 54-30=24 Exploring Operation: 30+54=84, Resulting Numbers: [1, 84] Generated Node #0,0,1: 84:[1, 84] Operation: 30+54=84 Moving to Node #0,0,1 Current State: 84:[1, 84], Operations: ['65-64=1', '30+54=84'] Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[30, 64, 65, 54], Operations: [] Exploring Operation: 65-64=1, Resulting Numbers: [30, 54, 1] Generated Node #0,0: 84:[30, 54, 1] Operation: 65-64=1 Moving to Node #0,0 Current State: 84:[30, 54, 1], Operations: ['65-64=1'] Exploring Operation: 30+54=84, Resulting Numbers: [1, 84] Generated Node #0,0,1: 84:[1, 84] Operation: 30+54=84 Moving to Node #0,0,1 Current State: 84:[1, 84], Operations: ['65-64=1', '30+54=84'] Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 14, 3, 44, 64 ]
91
[ "14+3=17", "44+64=108", "108-17=91" ]
Current State: 91:[14, 3, 44, 64], Operations: [] Exploring Operation: 14+3=17, Resulting Numbers: [44, 64, 17] Generated Node #2: [44, 64, 17] from Operation: 14+3=17 Current State: 91:[44, 64, 17], Operations: ['14+3=17'] Exploring Operation: 44+64=108, Resulting Numbers: [17, 108] Generated Node #3: [17, 108] from Operation: 44+64=108 Current State: 91:[17, 108], Operations: ['14+3=17', '44+64=108'] Exploring Operation: 108-17=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[14, 3, 44, 64], Operations: [] Exploring Operation: 64-44=20, Resulting Numbers: [14, 3, 20] Generated Node #0,0: 91:[14, 3, 20] Operation: 64-44=20 Exploring Operation: 44+64=108, Resulting Numbers: [14, 3, 108] Generated Node #0,1: 91:[14, 3, 108] Operation: 44+64=108 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[14, 3, 20], Operations: ['64-44=20'] Exploring Operation: 20-14=6, Resulting Numbers: [3, 6] Generated Node #0,0,0: 91:[3, 6] Operation: 20-14=6 Exploring Operation: 20-3=17, Resulting Numbers: [14, 17] Generated Node #0,0,1: 91:[14, 17] Operation: 20-3=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[3, 6], Operations: ['64-44=20', '20-14=6'] Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,91 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[14, 17], Operations: ['64-44=20', '20-3=17'] Exploring Operation: 14+17=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[14, 3, 108], Operations: ['44+64=108'] Exploring Operation: 108-3=105, Resulting Numbers: [14, 105] Generated Node #0,1,0: 91:[14, 105] Operation: 108-3=105 Exploring Operation: 108-14=94, Resulting Numbers: [3, 94] Generated Node #0,1,1: 91:[3, 94] Operation: 108-14=94 Moving to Node #0,1,1 Current State: 91:[3, 94], Operations: ['44+64=108', '108-14=94'] Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[14, 3, 44, 64], Operations: [] Exploring Operation: 44+64=108, Resulting Numbers: [14, 3, 108] Generated Node #0,1: 91:[14, 3, 108] Operation: 44+64=108 Moving to Node #0,1 Current State: 91:[14, 3, 108], Operations: ['44+64=108'] Exploring Operation: 108-14=94, Resulting Numbers: [3, 94] Generated Node #0,1,1: 91:[3, 94] Operation: 108-14=94 Moving to Node #0,1,1 Current State: 91:[3, 94], Operations: ['44+64=108', '108-14=94'] Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 60, 68, 57, 2 ]
51
[ "68-60=8", "57+2=59", "59-8=51" ]
Current State: 51:[60, 68, 57, 2], Operations: [] Exploring Operation: 68-60=8, Resulting Numbers: [57, 2, 8] Generated Node #2: [57, 2, 8] from Operation: 68-60=8 Current State: 51:[57, 2, 8], Operations: ['68-60=8'] Exploring Operation: 57+2=59, Resulting Numbers: [8, 59] Generated Node #3: [8, 59] from Operation: 57+2=59 Current State: 51:[8, 59], Operations: ['68-60=8', '57+2=59'] Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[60, 68, 57, 2], Operations: [] Exploring Operation: 68-60=8, Resulting Numbers: [57, 2, 8] Generated Node #0,0: 51:[57, 2, 8] Operation: 68-60=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[57, 2, 8], Operations: ['68-60=8'] Exploring Operation: 57-8=49, Resulting Numbers: [2, 49] Generated Node #0,0,0: 51:[2, 49] Operation: 57-8=49 Moving to Node #0,0,0 Current State: 51:[2, 49], Operations: ['68-60=8', '57-8=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[60, 68, 57, 2], Operations: [] Exploring Operation: 68-60=8, Resulting Numbers: [57, 2, 8] Generated Node #0,0: 51:[57, 2, 8] Operation: 68-60=8 Moving to Node #0,0 Current State: 51:[57, 2, 8], Operations: ['68-60=8'] Exploring Operation: 57-8=49, Resulting Numbers: [2, 49] Generated Node #0,0,0: 51:[2, 49] Operation: 57-8=49 Moving to Node #0,0,0 Current State: 51:[2, 49], Operations: ['68-60=8', '57-8=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic