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
[ 70, 4, 10, 42 ]
73
[ "4+10=14", "42/14=3", "70+3=73" ]
Current State: 73:[70, 4, 10, 42], Operations: [] Exploring Operation: 4+10=14, Resulting Numbers: [70, 42, 14] Generated Node #2: [70, 42, 14] from Operation: 4+10=14 Current State: 73:[70, 42, 14], Operations: ['4+10=14'] Exploring Operation: 42/14=3, Resulting Numbers: [70, 3] Generated Node #3: [70, 3] from Operation: 42/14=3 Current State: 73:[70, 3], Operations: ['4+10=14', '42/14=3'] Exploring Operation: 70+3=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[70, 4, 10, 42], Operations: [] Exploring Operation: 4*10=40, Resulting Numbers: [70, 42, 40] Generated Node #0,0: 73:[70, 42, 40] Operation: 4*10=40 Exploring Operation: 4+10=14, Resulting Numbers: [70, 42, 14] Generated Node #0,1: 73:[70, 42, 14] Operation: 4+10=14 Exploring Operation: 10+42=52, Resulting Numbers: [70, 4, 52] Generated Node #0,2: 73:[70, 4, 52] Operation: 10+42=52 Exploring Operation: 4+42=46, Resulting Numbers: [70, 10, 46] Generated Node #0,3: 73:[70, 10, 46] Operation: 4+42=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[70, 42, 40], Operations: ['4*10=40'] Exploring Operation: 70+40=110, Resulting Numbers: [42, 110] Generated Node #0,0,0: 73:[42, 110] Operation: 70+40=110 Exploring Operation: 70+42=112, Resulting Numbers: [40, 112] Generated Node #0,0,1: 73:[40, 112] Operation: 70+42=112 Exploring Operation: 70-40=30, Resulting Numbers: [42, 30] Generated Node #0,0,2: 73:[42, 30] Operation: 70-40=30 Exploring Operation: 42+40=82, Resulting Numbers: [70, 82] Generated Node #0,0,3: 73:[70, 82] Operation: 42+40=82 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 73:[70, 82], Operations: ['4*10=40', '42+40=82'] Exploring Operation: 82-70=12, Resulting Numbers: [12] 12,73 unequal: No Solution Exploring Operation: 70*82=5740, Resulting Numbers: [5740] 5740,73 unequal: No Solution Exploring Operation: 70+82=152, Resulting Numbers: [152] 152,73 unequal: No Solution No 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: 73:[42, 110], Operations: ['4*10=40', '70+40=110'] Exploring Operation: 42*110=4620, Resulting Numbers: [4620] 4620,73 unequal: No Solution Exploring Operation: 110-42=68, Resulting Numbers: [68] 68,73 unequal: No Solution Exploring Operation: 42+110=152, Resulting Numbers: [152] 152,73 unequal: No Solution No 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: 73:[40, 112], Operations: ['4*10=40', '70+42=112'] Exploring Operation: 40*112=4480, Resulting Numbers: [4480] 4480,73 unequal: No Solution Exploring Operation: 40+112=152, Resulting Numbers: [152] 152,73 unequal: No Solution Exploring Operation: 112-40=72, Resulting Numbers: [72] 72,73 unequal: No Solution No 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: 73:[42, 30], Operations: ['4*10=40', '70-40=30'] Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,73 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,73 unequal: No Solution Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,73 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: 73:[70, 42, 14], Operations: ['4+10=14'] Exploring Operation: 42+14=56, Resulting Numbers: [70, 56] Generated Node #0,1,0: 73:[70, 56] Operation: 42+14=56 Exploring Operation: 42-14=28, Resulting Numbers: [70, 28] Generated Node #0,1,1: 73:[70, 28] Operation: 42-14=28 Exploring Operation: 70-14=56, Resulting Numbers: [42, 56] Generated Node #0,1,2: 73:[42, 56] Operation: 70-14=56 Exploring Operation: 70+14=84, Resulting Numbers: [42, 84] Generated Node #0,1,3: 73:[42, 84] Operation: 70+14=84 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 73:[70, 56], Operations: ['4+10=14', '42+14=56'] Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,73 unequal: No Solution Exploring Operation: 70*56=3920, Resulting Numbers: [3920] 3920,73 unequal: No Solution Exploring Operation: 70+56=126, Resulting Numbers: [126] 126,73 unequal: No Solution No 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: 73:[42, 84], Operations: ['4+10=14', '70+14=84'] Exploring Operation: 84/42=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 84-42=42, Resulting Numbers: [42] 42,73 unequal: No Solution Exploring Operation: 42+84=126, Resulting Numbers: [126] 126,73 unequal: No Solution Exploring Operation: 42*84=3528, Resulting Numbers: [3528] 3528,73 unequal: No Solution No 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: 73:[70, 28], Operations: ['4+10=14', '42-14=28'] Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,73 unequal: No Solution Exploring Operation: 70+28=98, Resulting Numbers: [98] 98,73 unequal: No Solution Exploring Operation: 70*28=1960, Resulting Numbers: [1960] 1960,73 unequal: No Solution No 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: 73:[42, 56], Operations: ['4+10=14', '70-14=56'] Exploring Operation: 42+56=98, Resulting Numbers: [98] 98,73 unequal: No Solution Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,73 unequal: No Solution Exploring Operation: 42*56=2352, Resulting Numbers: [2352] 2352,73 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: 73:[70, 4, 52], Operations: ['10+42=52'] Exploring Operation: 70-4=66, Resulting Numbers: [52, 66] Generated Node #0,2,0: 73:[52, 66] Operation: 70-4=66 Exploring Operation: 52-4=48, Resulting Numbers: [70, 48] Generated Node #0,2,1: 73:[70, 48] Operation: 52-4=48 Exploring Operation: 4+52=56, Resulting Numbers: [70, 56] Generated Node #0,2,2: 73:[70, 56] Operation: 4+52=56 Exploring Operation: 70+4=74, Resulting Numbers: [52, 74] Generated Node #0,2,3: 73:[52, 74] Operation: 70+4=74 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 73:[70, 56], Operations: ['10+42=52', '4+52=56'] Exploring Operation: 70+56=126, Resulting Numbers: [126] 126,73 unequal: No Solution Exploring Operation: 70*56=3920, Resulting Numbers: [3920] 3920,73 unequal: No Solution Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,73 unequal: No Solution No 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: 73:[52, 74], Operations: ['10+42=52', '70+4=74'] Exploring Operation: 52*74=3848, Resulting Numbers: [3848] 3848,73 unequal: No Solution Exploring Operation: 52+74=126, Resulting Numbers: [126] 126,73 unequal: No Solution Exploring Operation: 74-52=22, Resulting Numbers: [22] 22,73 unequal: No Solution No 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: 73:[52, 66], Operations: ['10+42=52', '70-4=66'] Exploring Operation: 52+66=118, Resulting Numbers: [118] 118,73 unequal: No Solution Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,73 unequal: No Solution Exploring Operation: 52*66=3432, Resulting Numbers: [3432] 3432,73 unequal: No Solution No 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: 73:[70, 48], Operations: ['10+42=52', '52-4=48'] Exploring Operation: 70-48=22, Resulting Numbers: [22] 22,73 unequal: No Solution Exploring Operation: 70+48=118, Resulting Numbers: [118] 118,73 unequal: No Solution Exploring Operation: 70*48=3360, Resulting Numbers: [3360] 3360,73 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: 73:[70, 10, 46], Operations: ['4+42=46'] Exploring Operation: 46-10=36, Resulting Numbers: [70, 36] Generated Node #0,3,0: 73:[70, 36] Operation: 46-10=36 Exploring Operation: 70+10=80, Resulting Numbers: [46, 80] Generated Node #0,3,1: 73:[46, 80] Operation: 70+10=80 Exploring Operation: 10+46=56, Resulting Numbers: [70, 56] Generated Node #0,3,2: 73:[70, 56] Operation: 10+46=56 Exploring Operation: 70-10=60, Resulting Numbers: [46, 60] Generated Node #0,3,3: 73:[46, 60] Operation: 70-10=60 Moving to Node #0,3,2 Current State: 73:[70, 56], Operations: ['4+42=46', '10+46=56'] Exploring Operation: 70+56=126, Resulting Numbers: [126] 126,73 unequal: No Solution Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,73 unequal: No Solution Exploring Operation: 70*56=3920, Resulting Numbers: [3920] 3920,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[46, 80], Operations: ['4+42=46', '70+10=80'] Exploring Operation: 80-46=34, Resulting Numbers: [34] 34,73 unequal: No Solution Exploring Operation: 46+80=126, Resulting Numbers: [126] 126,73 unequal: No Solution Exploring Operation: 46*80=3680, Resulting Numbers: [3680] 3680,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[46, 60], Operations: ['4+42=46', '70-10=60'] Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,73 unequal: No Solution Exploring Operation: 46+60=106, Resulting Numbers: [106] 106,73 unequal: No Solution Exploring Operation: 46*60=2760, Resulting Numbers: [2760] 2760,73 unequal: No Solution Moving to Node #0,3,0 Current State: 73:[70, 36], Operations: ['4+42=46', '46-10=36'] Exploring Operation: 70*36=2520, Resulting Numbers: [2520] 2520,73 unequal: No Solution Exploring Operation: 70+36=106, Resulting Numbers: [106] 106,73 unequal: No Solution Exploring Operation: 70-36=34, Resulting Numbers: [34] 34,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 58, 94, 2, 9 ]
20
[ "58+9=67", "94/2=47", "67-47=20" ]
Current State: 20:[58, 94, 2, 9], Operations: [] Exploring Operation: 58+9=67, Resulting Numbers: [94, 2, 67] Generated Node #2: [94, 2, 67] from Operation: 58+9=67 Current State: 20:[94, 2, 67], Operations: ['58+9=67'] Exploring Operation: 94/2=47, Resulting Numbers: [67, 47] Generated Node #3: [67, 47] from Operation: 94/2=47 Current State: 20:[67, 47], Operations: ['58+9=67', '94/2=47'] Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[58, 94, 2, 9], Operations: [] Exploring Operation: 94-58=36, Resulting Numbers: [2, 9, 36] Generated Node #0,0: 20:[2, 9, 36] Operation: 94-58=36 Exploring Operation: 94/2=47, Resulting Numbers: [58, 9, 47] Generated Node #0,1: 20:[58, 9, 47] Operation: 94/2=47 Exploring Operation: 58/2=29, Resulting Numbers: [94, 9, 29] Generated Node #0,2: 20:[94, 9, 29] Operation: 58/2=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[2, 9, 36], Operations: ['94-58=36'] Exploring Operation: 36/2=18, Resulting Numbers: [9, 18] Generated Node #0,0,0: 20:[9, 18] Operation: 36/2=18 Exploring Operation: 36/9=4, Resulting Numbers: [2, 4] Generated Node #0,0,1: 20:[2, 4] Operation: 36/9=4 Exploring Operation: 36-9=27, Resulting Numbers: [2, 27] Generated Node #0,0,2: 20:[2, 27] Operation: 36-9=27 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[2, 4], Operations: ['94-58=36', '36/9=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[9, 18], Operations: ['94-58=36', '36/2=18'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 20:[2, 27], Operations: ['94-58=36', '36-9=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,20 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,20 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[58, 9, 47], Operations: ['94/2=47'] Exploring Operation: 47-9=38, Resulting Numbers: [58, 38] Generated Node #0,1,0: 20:[58, 38] Operation: 47-9=38 Exploring Operation: 58-9=49, Resulting Numbers: [47, 49] Generated Node #0,1,1: 20:[47, 49] Operation: 58-9=49 Exploring Operation: 58-47=11, Resulting Numbers: [9, 11] Generated Node #0,1,2: 20:[9, 11] Operation: 58-47=11 Moving to Node #0,1,2 Current State: 20:[9, 11], Operations: ['94/2=47', '58-47=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,20 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[58, 94, 2, 9], Operations: [] Exploring Operation: 94/2=47, Resulting Numbers: [58, 9, 47] Generated Node #0,1: 20:[58, 9, 47] Operation: 94/2=47 Moving to Node #0,1 Current State: 20:[58, 9, 47], Operations: ['94/2=47'] Exploring Operation: 58-47=11, Resulting Numbers: [9, 11] Generated Node #0,1,2: 20:[9, 11] Operation: 58-47=11 Moving to Node #0,1,2 Current State: 20:[9, 11], Operations: ['94/2=47', '58-47=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 1, 30, 63, 26 ]
66
[ "30-1=29", "63-26=37", "29+37=66" ]
Current State: 66:[1, 30, 63, 26], Operations: [] Exploring Operation: 30-1=29, Resulting Numbers: [63, 26, 29] Generated Node #2: [63, 26, 29] from Operation: 30-1=29 Current State: 66:[63, 26, 29], Operations: ['30-1=29'] Exploring Operation: 63-26=37, Resulting Numbers: [29, 37] Generated Node #3: [29, 37] from Operation: 63-26=37 Current State: 66:[29, 37], Operations: ['30-1=29', '63-26=37'] Exploring Operation: 29+37=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[1, 30, 63, 26], Operations: [] Exploring Operation: 63-26=37, Resulting Numbers: [1, 30, 37] Generated Node #0,0: 66:[1, 30, 37] Operation: 63-26=37 Exploring Operation: 63-30=33, Resulting Numbers: [1, 26, 33] Generated Node #0,1: 66:[1, 26, 33] Operation: 63-30=33 Exploring Operation: 30-26=4, Resulting Numbers: [1, 63, 4] Generated Node #0,2: 66:[1, 63, 4] Operation: 30-26=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[1, 26, 33], Operations: ['63-30=33'] Exploring Operation: 33-26=7, Resulting Numbers: [1, 7] Generated Node #0,1,0: 66:[1, 7] Operation: 33-26=7 Exploring Operation: 26-1=25, Resulting Numbers: [33, 25] Generated Node #0,1,1: 66:[33, 25] Operation: 26-1=25 Exploring Operation: 1*26=26, Resulting Numbers: [33, 26] Generated Node #0,1,2: 66:[33, 26] Operation: 1*26=26 Moving to Node #0,1,0 Current State: 66:[1, 7], Operations: ['63-30=33', '33-26=7'] Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,66 unequal: No Solution Exploring Operation: 1*7=7, Resulting Numbers: [7] 7,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[33, 25], Operations: ['63-30=33', '26-1=25'] Exploring Operation: 33*25=825, Resulting Numbers: [825] 825,66 unequal: No Solution Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 33+25=58, Resulting Numbers: [58] 58,66 unequal: No Solution Moving to Node #0,1,2 Current State: 66:[33, 26], Operations: ['63-30=33', '1*26=26'] Exploring Operation: 33*26=858, Resulting Numbers: [858] 858,66 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 33+26=59, Resulting Numbers: [59] 59,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[1, 63, 4], Operations: ['30-26=4'] Exploring Operation: 63+4=67, Resulting Numbers: [1, 67] Generated Node #0,2,0: 66:[1, 67] Operation: 63+4=67 Exploring Operation: 4-1=3, Resulting Numbers: [63, 3] Generated Node #0,2,1: 66:[63, 3] Operation: 4-1=3 Exploring Operation: 1+63=64, Resulting Numbers: [4, 64] Generated Node #0,2,2: 66:[4, 64] Operation: 1+63=64 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 66:[1, 67], Operations: ['30-26=4', '63+4=67'] Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[1, 30, 63, 26], Operations: [] Exploring Operation: 30-26=4, Resulting Numbers: [1, 63, 4] Generated Node #0,2: 66:[1, 63, 4] Operation: 30-26=4 Moving to Node #0,2 Current State: 66:[1, 63, 4], Operations: ['30-26=4'] Exploring Operation: 63+4=67, Resulting Numbers: [1, 67] Generated Node #0,2,0: 66:[1, 67] Operation: 63+4=67 Moving to Node #0,2,0 Current State: 66:[1, 67], Operations: ['30-26=4', '63+4=67'] Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 26, 49, 82, 69 ]
88
[ "26+49=75", "82-69=13", "75+13=88" ]
Current State: 88:[26, 49, 82, 69], Operations: [] Exploring Operation: 26+49=75, Resulting Numbers: [82, 69, 75] Generated Node #2: [82, 69, 75] from Operation: 26+49=75 Current State: 88:[82, 69, 75], Operations: ['26+49=75'] Exploring Operation: 82-69=13, Resulting Numbers: [75, 13] Generated Node #3: [75, 13] from Operation: 82-69=13 Current State: 88:[75, 13], Operations: ['26+49=75', '82-69=13'] Exploring Operation: 75+13=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[26, 49, 82, 69], Operations: [] Exploring Operation: 69-26=43, Resulting Numbers: [49, 82, 43] Generated Node #0,0: 88:[49, 82, 43] Operation: 69-26=43 Exploring Operation: 82-69=13, Resulting Numbers: [26, 49, 13] Generated Node #0,1: 88:[26, 49, 13] Operation: 82-69=13 Moving to Node #0,1 Current State: 88:[26, 49, 13], Operations: ['82-69=13'] Exploring Operation: 49-26=23, Resulting Numbers: [13, 23] Generated Node #0,1,0: 88:[13, 23] Operation: 49-26=23 Exploring Operation: 26/13=2, Resulting Numbers: [49, 2] Generated Node #0,1,1: 88:[49, 2] Operation: 26/13=2 Moving to Node #0,0 Current State: 88:[49, 82, 43], Operations: ['69-26=43'] Exploring Operation: 49+43=92, Resulting Numbers: [82, 92] Generated Node #0,0,0: 88:[82, 92] Operation: 49+43=92 Exploring Operation: 49-43=6, Resulting Numbers: [82, 6] Generated Node #0,0,1: 88:[82, 6] Operation: 49-43=6 Moving to Node #0,1,0 Current State: 88:[13, 23], Operations: ['82-69=13', '49-26=23'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,88 unequal: No Solution Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[49, 2], Operations: ['82-69=13', '26/13=2'] Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,88 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[82, 6], Operations: ['69-26=43', '49-43=6'] Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,88 unequal: No Solution Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[26, 49, 82, 69], Operations: [] Exploring Operation: 69-26=43, Resulting Numbers: [49, 82, 43] Generated Node #0,0: 88:[49, 82, 43] Operation: 69-26=43 Moving to Node #0,0 Current State: 88:[49, 82, 43], Operations: ['69-26=43'] Exploring Operation: 49-43=6, Resulting Numbers: [82, 6] Generated Node #0,0,1: 88:[82, 6] Operation: 49-43=6 Moving to Node #0,0,1 Current State: 88:[82, 6], Operations: ['69-26=43', '49-43=6'] Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 19, 10, 70, 54 ]
34
[ "10*70=700", "700-54=646", "646/19=34" ]
Current State: 34:[19, 10, 70, 54], Operations: [] Exploring Operation: 10*70=700, Resulting Numbers: [19, 54, 700] Generated Node #2: [19, 54, 700] from Operation: 10*70=700 Current State: 34:[19, 54, 700], Operations: ['10*70=700'] Exploring Operation: 700-54=646, Resulting Numbers: [19, 646] Generated Node #3: [19, 646] from Operation: 700-54=646 Current State: 34:[19, 646], Operations: ['10*70=700', '700-54=646'] Exploring Operation: 646/19=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[19, 10, 70, 54], Operations: [] Exploring Operation: 54-19=35, Resulting Numbers: [10, 70, 35] Generated Node #0,0: 34:[10, 70, 35] Operation: 54-19=35 Exploring Operation: 70-54=16, Resulting Numbers: [19, 10, 16] Generated Node #0,1: 34:[19, 10, 16] Operation: 70-54=16 Exploring Operation: 70-19=51, Resulting Numbers: [10, 54, 51] Generated Node #0,2: 34:[10, 54, 51] Operation: 70-19=51 Exploring Operation: 70/10=7, Resulting Numbers: [19, 54, 7] Generated Node #0,3: 34:[19, 54, 7] Operation: 70/10=7 Moving to Node #0,1 Current State: 34:[19, 10, 16], Operations: ['70-54=16'] Exploring Operation: 19+16=35, Resulting Numbers: [10, 35] Generated Node #0,1,0: 34:[10, 35] Operation: 19+16=35 Exploring Operation: 19-10=9, Resulting Numbers: [16, 9] Generated Node #0,1,1: 34:[16, 9] Operation: 19-10=9 Exploring Operation: 16-10=6, Resulting Numbers: [19, 6] Generated Node #0,1,2: 34:[19, 6] Operation: 16-10=6 Exploring Operation: 19+10=29, Resulting Numbers: [16, 29] Generated Node #0,1,3: 34:[16, 29] Operation: 19+10=29 Moving to Node #0,3 Current State: 34:[19, 54, 7], Operations: ['70/10=7'] Exploring Operation: 19+7=26, Resulting Numbers: [54, 26] Generated Node #0,3,0: 34:[54, 26] Operation: 19+7=26 Exploring Operation: 19-7=12, Resulting Numbers: [54, 12] Generated Node #0,3,1: 34:[54, 12] Operation: 19-7=12 Exploring Operation: 54-7=47, Resulting Numbers: [19, 47] Generated Node #0,3,2: 34:[19, 47] Operation: 54-7=47 Exploring Operation: 54-19=35, Resulting Numbers: [7, 35] Generated Node #0,3,3: 34:[7, 35] Operation: 54-19=35 Moving to Node #0,2 Current State: 34:[10, 54, 51], Operations: ['70-19=51'] Exploring Operation: 10+54=64, Resulting Numbers: [51, 64] Generated Node #0,2,0: 34:[51, 64] Operation: 10+54=64 Exploring Operation: 51-10=41, Resulting Numbers: [54, 41] Generated Node #0,2,1: 34:[54, 41] Operation: 51-10=41 Exploring Operation: 54-51=3, Resulting Numbers: [10, 3] Generated Node #0,2,2: 34:[10, 3] Operation: 54-51=3 Exploring Operation: 54-10=44, Resulting Numbers: [51, 44] Generated Node #0,2,3: 34:[51, 44] Operation: 54-10=44 Moving to Node #0,0 Current State: 34:[10, 70, 35], Operations: ['54-19=35'] Exploring Operation: 70/10=7, Resulting Numbers: [35, 7] Generated Node #0,0,0: 34:[35, 7] Operation: 70/10=7 Exploring Operation: 70/35=2, Resulting Numbers: [10, 2] Generated Node #0,0,1: 34:[10, 2] Operation: 70/35=2 Exploring Operation: 70-35=35, Resulting Numbers: [10, 35] Generated Node #0,0,2: 34:[10, 35] Operation: 70-35=35 Exploring Operation: 70-10=60, Resulting Numbers: [35, 60] Generated Node #0,0,3: 34:[35, 60] Operation: 70-10=60 Moving to Node #0,1,2 Current State: 34:[19, 6], Operations: ['70-54=16', '16-10=6'] Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,34 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[35, 7], Operations: ['54-19=35', '70/10=7'] Exploring Operation: 35+7=42, Resulting Numbers: [42] 42,34 unequal: No Solution Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 35*7=245, Resulting Numbers: [245] 245,34 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,34 unequal: No Solution Moving to Node #0,1,3 Current State: 34:[16, 29], Operations: ['70-54=16', '19+10=29'] Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 16*29=464, Resulting Numbers: [464] 464,34 unequal: No Solution Exploring Operation: 16+29=45, Resulting Numbers: [45] 45,34 unequal: No Solution Moving to Node #0,3,3 Current State: 34:[7, 35], Operations: ['70/10=7', '54-19=35'] Exploring Operation: 7*35=245, Resulting Numbers: [245] 245,34 unequal: No Solution Exploring Operation: 7+35=42, Resulting Numbers: [42] 42,34 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,34 unequal: No Solution Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[10, 2], Operations: ['54-19=35', '70/35=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,34 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[10, 35], Operations: ['54-19=35', '70-35=35'] Exploring Operation: 10+35=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,34 unequal: No Solution Exploring Operation: 10*35=350, Resulting Numbers: [350] 350,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[10, 35], Operations: ['70-54=16', '19+16=35'] Exploring Operation: 10+35=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 10*35=350, Resulting Numbers: [350] 350,34 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[16, 9], Operations: ['70-54=16', '19-10=9'] Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,34 unequal: No Solution Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[10, 3], Operations: ['70-19=51', '54-51=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,34 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,34 unequal: No Solution Moving to Node #0,3,2 Current State: 34:[19, 47], Operations: ['70/10=7', '54-7=47'] Exploring Operation: 19+47=66, Resulting Numbers: [66] 66,34 unequal: No Solution Exploring Operation: 19*47=893, Resulting Numbers: [893] 893,34 unequal: No Solution Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,34 unequal: No Solution Moving to Node #0,3,1 Current State: 34:[54, 12], Operations: ['70/10=7', '19-7=12'] Exploring Operation: 54+12=66, Resulting Numbers: [66] 66,34 unequal: No Solution Exploring Operation: 54*12=648, Resulting Numbers: [648] 648,34 unequal: No Solution Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[54, 41], Operations: ['70-19=51', '51-10=41'] Exploring Operation: 54*41=2214, Resulting Numbers: [2214] 2214,34 unequal: No Solution Exploring Operation: 54-41=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 54+41=95, Resulting Numbers: [95] 95,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[51, 44], Operations: ['70-19=51', '54-10=44'] Exploring Operation: 51-44=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 51*44=2244, Resulting Numbers: [2244] 2244,34 unequal: No Solution Exploring Operation: 51+44=95, Resulting Numbers: [95] 95,34 unequal: No Solution Moving to Node #0,0,3 Current State: 34:[35, 60], Operations: ['54-19=35', '70-10=60'] Exploring Operation: 35+60=95, Resulting Numbers: [95] 95,34 unequal: No Solution Exploring Operation: 35*60=2100, Resulting Numbers: [2100] 2100,34 unequal: No Solution Exploring Operation: 60-35=25, Resulting Numbers: [25] 25,34 unequal: No Solution Moving to Node #0,3,0 Current State: 34:[54, 26], Operations: ['70/10=7', '19+7=26'] Exploring Operation: 54*26=1404, Resulting Numbers: [1404] 1404,34 unequal: No Solution Exploring Operation: 54+26=80, Resulting Numbers: [80] 80,34 unequal: No Solution Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[51, 64], Operations: ['70-19=51', '10+54=64'] Exploring Operation: 51*64=3264, Resulting Numbers: [3264] 3264,34 unequal: No Solution Exploring Operation: 64-51=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 51+64=115, Resulting Numbers: [115] 115,34 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 2, 9, 74, 26 ]
52
[ "26/2=13", "74-9=65", "65-13=52" ]
Current State: 52:[2, 9, 74, 26], Operations: [] Exploring Operation: 26/2=13, Resulting Numbers: [9, 74, 13] Generated Node #2: [9, 74, 13] from Operation: 26/2=13 Current State: 52:[9, 74, 13], Operations: ['26/2=13'] Exploring Operation: 74-9=65, Resulting Numbers: [13, 65] Generated Node #3: [13, 65] from Operation: 74-9=65 Current State: 52:[13, 65], Operations: ['26/2=13', '74-9=65'] Exploring Operation: 65-13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[2, 9, 74, 26], Operations: [] Exploring Operation: 74-26=48, Resulting Numbers: [2, 9, 48] Generated Node #0,0: 52:[2, 9, 48] Operation: 74-26=48 Exploring Operation: 74-9=65, Resulting Numbers: [2, 26, 65] Generated Node #0,1: 52:[2, 26, 65] Operation: 74-9=65 Exploring Operation: 2+9=11, Resulting Numbers: [74, 26, 11] Generated Node #0,2: 52:[74, 26, 11] Operation: 2+9=11 Exploring Operation: 74/2=37, Resulting Numbers: [9, 26, 37] Generated Node #0,3: 52:[9, 26, 37] Operation: 74/2=37 Moving to Node #0,0 Current State: 52:[2, 9, 48], Operations: ['74-26=48'] Exploring Operation: 2+9=11, Resulting Numbers: [48, 11] Generated Node #0,0,0: 52:[48, 11] Operation: 2+9=11 Exploring Operation: 48/2=24, Resulting Numbers: [9, 24] Generated Node #0,0,1: 52:[9, 24] Operation: 48/2=24 Exploring Operation: 9+48=57, Resulting Numbers: [2, 57] Generated Node #0,0,2: 52:[2, 57] Operation: 9+48=57 Exploring Operation: 2+48=50, Resulting Numbers: [9, 50] Generated Node #0,0,3: 52:[9, 50] Operation: 2+48=50 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[2, 57], Operations: ['74-26=48', '9+48=57'] Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,52 unequal: No Solution Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,52 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,52 unequal: No Solution No 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: 52:[48, 11], Operations: ['74-26=48', '2+9=11'] Exploring Operation: 48*11=528, Resulting Numbers: [528] 528,52 unequal: No Solution Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 48+11=59, Resulting Numbers: [59] 59,52 unequal: No Solution No 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: 52:[9, 24], Operations: ['74-26=48', '48/2=24'] Exploring Operation: 9*24=216, Resulting Numbers: [216] 216,52 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,52 unequal: No Solution No 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: 52:[9, 50], Operations: ['74-26=48', '2+48=50'] Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,52 unequal: No Solution Exploring Operation: 9+50=59, Resulting Numbers: [59] 59,52 unequal: No Solution Exploring Operation: 9*50=450, Resulting Numbers: [450] 450,52 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: 52:[2, 26, 65], Operations: ['74-9=65'] Exploring Operation: 65-2=63, Resulting Numbers: [26, 63] Generated Node #0,1,0: 52:[26, 63] Operation: 65-2=63 Exploring Operation: 26/2=13, Resulting Numbers: [65, 13] Generated Node #0,1,1: 52:[65, 13] Operation: 26/2=13 Exploring Operation: 65-26=39, Resulting Numbers: [2, 39] Generated Node #0,1,2: 52:[2, 39] Operation: 65-26=39 Exploring Operation: 2*26=52, Resulting Numbers: [65, 52] Generated Node #0,1,3: 52:[65, 52] Operation: 2*26=52 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[26, 63], Operations: ['74-9=65', '65-2=63'] Exploring Operation: 26*63=1638, Resulting Numbers: [1638] 1638,52 unequal: No Solution Exploring Operation: 63-26=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 26+63=89, Resulting Numbers: [89] 89,52 unequal: No Solution No 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: 52:[65, 13], Operations: ['74-9=65', '26/2=13'] Exploring Operation: 65/13=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 65-13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[2, 9, 74, 26], Operations: [] Exploring Operation: 74-9=65, Resulting Numbers: [2, 26, 65] Generated Node #0,1: 52:[2, 26, 65] Operation: 74-9=65 Moving to Node #0,1 Current State: 52:[2, 26, 65], Operations: ['74-9=65'] Exploring Operation: 26/2=13, Resulting Numbers: [65, 13] Generated Node #0,1,1: 52:[65, 13] Operation: 26/2=13 Moving to Node #0,1,1 Current State: 52:[65, 13], Operations: ['74-9=65', '26/2=13'] Exploring Operation: 65-13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
mult_heuristic
[ 3, 5, 40, 16 ]
32
[ "3+5=8", "40-16=24", "8+24=32" ]
Current State: 32:[3, 5, 40, 16], Operations: [] Exploring Operation: 3+5=8, Resulting Numbers: [40, 16, 8] Generated Node #2: [40, 16, 8] from Operation: 3+5=8 Current State: 32:[40, 16, 8], Operations: ['3+5=8'] Exploring Operation: 40-16=24, Resulting Numbers: [8, 24] Generated Node #3: [8, 24] from Operation: 40-16=24 Current State: 32:[8, 24], Operations: ['3+5=8', '40-16=24'] Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[3, 5, 40, 16], Operations: [] Exploring Operation: 40-5=35, Resulting Numbers: [3, 16, 35] Generated Node #0,0: 32:[3, 16, 35] Operation: 40-5=35 Exploring Operation: 40/5=8, Resulting Numbers: [3, 16, 8] Generated Node #0,1: 32:[3, 16, 8] Operation: 40/5=8 Exploring Operation: 40-3=37, Resulting Numbers: [5, 16, 37] Generated Node #0,2: 32:[5, 16, 37] Operation: 40-3=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[3, 16, 8], Operations: ['40/5=8'] Exploring Operation: 16-8=8, Resulting Numbers: [3, 8] Generated Node #0,1,0: 32:[3, 8] Operation: 16-8=8 Exploring Operation: 8-3=5, Resulting Numbers: [16, 5] Generated Node #0,1,1: 32:[16, 5] Operation: 8-3=5 Exploring Operation: 16/8=2, Resulting Numbers: [3, 2] Generated Node #0,1,2: 32:[3, 2] Operation: 16/8=2 Moving to Node #0,1,0 Current State: 32:[3, 8], Operations: ['40/5=8', '16-8=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[16, 5], Operations: ['40/5=8', '8-3=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,32 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,32 unequal: No Solution Moving to Node #0,1,2 Current State: 32:[3, 2], Operations: ['40/5=8', '16/8=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[3, 16, 35], Operations: ['40-5=35'] Exploring Operation: 3+16=19, Resulting Numbers: [35, 19] Generated Node #0,0,0: 32:[35, 19] Operation: 3+16=19 Exploring Operation: 35-3=32, Resulting Numbers: [16, 32] Generated Node #0,0,1: 32:[16, 32] Operation: 35-3=32 Exploring Operation: 35-16=19, Resulting Numbers: [3, 19] Generated Node #0,0,2: 32:[3, 19] Operation: 35-16=19 Moving to Node #0,0,1 Current State: 32:[16, 32], Operations: ['40-5=35', '35-3=32'] Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 16+32=48, Resulting Numbers: [48] 48,32 unequal: No Solution Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[3, 19], Operations: ['40-5=35', '35-16=19'] Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[35, 19], Operations: ['40-5=35', '3+16=19'] Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,32 unequal: No Solution Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,32 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[5, 16, 37], Operations: ['40-3=37'] Exploring Operation: 37-16=21, Resulting Numbers: [5, 21] Generated Node #0,2,0: 32:[5, 21] Operation: 37-16=21 Exploring Operation: 16-5=11, Resulting Numbers: [37, 11] Generated Node #0,2,1: 32:[37, 11] Operation: 16-5=11 Exploring Operation: 37-5=32, Resulting Numbers: [16, 32] Generated Node #0,2,2: 32:[16, 32] Operation: 37-5=32 Moving to Node #0,2,2 Current State: 32:[16, 32], Operations: ['40-3=37', '37-5=32'] Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 16+32=48, Resulting Numbers: [48] 48,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[5, 21], Operations: ['40-3=37', '37-16=21'] Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,32 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,32 unequal: No Solution Moving to Node #0,2,1 Current State: 32:[37, 11], Operations: ['40-3=37', '16-5=11'] Exploring Operation: 37+11=48, Resulting Numbers: [48] 48,32 unequal: No Solution Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,32 unequal: No Solution Exploring Operation: 37*11=407, Resulting Numbers: [407] 407,32 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
[ 88, 33, 23, 44 ]
20
[ "88/44=2", "33-23=10", "2*10=20" ]
Current State: 20:[88, 33, 23, 44], Operations: [] Exploring Operation: 88/44=2, Resulting Numbers: [33, 23, 2] Generated Node #2: [33, 23, 2] from Operation: 88/44=2 Current State: 20:[33, 23, 2], Operations: ['88/44=2'] Exploring Operation: 33-23=10, Resulting Numbers: [2, 10] Generated Node #3: [2, 10] from Operation: 33-23=10 Current State: 20:[2, 10], Operations: ['88/44=2', '33-23=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[88, 33, 23, 44], Operations: [] Exploring Operation: 88/44=2, Resulting Numbers: [33, 23, 2] Generated Node #0,0: 20:[33, 23, 2] Operation: 88/44=2 Moving to Node #0,0 Current State: 20:[33, 23, 2], Operations: ['88/44=2'] Exploring Operation: 33-23=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 20:[2, 10] Operation: 33-23=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[2, 10], Operations: ['88/44=2', '33-23=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[88, 33, 23, 44], Operations: [] Exploring Operation: 88/44=2, Resulting Numbers: [33, 23, 2] Generated Node #0,0: 20:[33, 23, 2] Operation: 88/44=2 Moving to Node #0,0 Current State: 20:[33, 23, 2], Operations: ['88/44=2'] Exploring Operation: 33-23=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 20:[2, 10] Operation: 33-23=10 Moving to Node #0,0,0 Current State: 20:[2, 10], Operations: ['88/44=2', '33-23=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 59, 3, 83, 4 ]
76
[ "83-59=24", "3*24=72", "4+72=76" ]
Current State: 76:[59, 3, 83, 4], Operations: [] Exploring Operation: 83-59=24, Resulting Numbers: [3, 4, 24] Generated Node #2: [3, 4, 24] from Operation: 83-59=24 Current State: 76:[3, 4, 24], Operations: ['83-59=24'] Exploring Operation: 3*24=72, Resulting Numbers: [4, 72] Generated Node #3: [4, 72] from Operation: 3*24=72 Current State: 76:[4, 72], Operations: ['83-59=24', '3*24=72'] Exploring Operation: 4+72=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[59, 3, 83, 4], Operations: [] Exploring Operation: 59+3=62, Resulting Numbers: [83, 4, 62] Generated Node #0,0: 76:[83, 4, 62] Operation: 59+3=62 Exploring Operation: 59+4=63, Resulting Numbers: [3, 83, 63] Generated Node #0,1: 76:[3, 83, 63] Operation: 59+4=63 Exploring Operation: 83-59=24, Resulting Numbers: [3, 4, 24] Generated Node #0,2: 76:[3, 4, 24] Operation: 83-59=24 Exploring Operation: 83-3=80, Resulting Numbers: [59, 4, 80] Generated Node #0,3: 76:[59, 4, 80] Operation: 83-3=80 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[3, 4, 24], Operations: ['83-59=24'] Exploring Operation: 3*24=72, Resulting Numbers: [4, 72] Generated Node #0,2,0: 76:[4, 72] Operation: 3*24=72 Exploring Operation: 24/4=6, Resulting Numbers: [3, 6] Generated Node #0,2,1: 76:[3, 6] Operation: 24/4=6 Exploring Operation: 24-4=20, Resulting Numbers: [3, 20] Generated Node #0,2,2: 76:[3, 20] Operation: 24-4=20 Exploring Operation: 24-3=21, Resulting Numbers: [4, 21] Generated Node #0,2,3: 76:[4, 21] Operation: 24-3=21 Moving to Node #0,2,2 Current State: 76:[3, 20], Operations: ['83-59=24', '24-4=20'] Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,76 unequal: No Solution Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[4, 21], Operations: ['83-59=24', '24-3=21'] Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,76 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,76 unequal: No Solution Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[3, 6], Operations: ['83-59=24', '24/4=6'] Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[4, 72], Operations: ['83-59=24', '3*24=72'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,76 unequal: No Solution Exploring Operation: 4*72=288, Resulting Numbers: [288] 288,76 unequal: No Solution Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,76 unequal: No Solution Exploring Operation: 4+72=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[59, 3, 83, 4], Operations: [] Exploring Operation: 83-59=24, Resulting Numbers: [3, 4, 24] Generated Node #0,2: 76:[3, 4, 24] Operation: 83-59=24 Moving to Node #0,2 Current State: 76:[3, 4, 24], Operations: ['83-59=24'] Exploring Operation: 3*24=72, Resulting Numbers: [4, 72] Generated Node #0,2,0: 76:[4, 72] Operation: 3*24=72 Moving to Node #0,2,0 Current State: 76:[4, 72], Operations: ['83-59=24', '3*24=72'] Exploring Operation: 4+72=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_4
mult_heuristic
[ 4, 43, 63, 79 ]
54
[ "79-43=36", "36/4=9", "63-9=54" ]
Current State: 54:[4, 43, 63, 79], Operations: [] Exploring Operation: 79-43=36, Resulting Numbers: [4, 63, 36] Generated Node #2: [4, 63, 36] from Operation: 79-43=36 Current State: 54:[4, 63, 36], Operations: ['79-43=36'] Exploring Operation: 36/4=9, Resulting Numbers: [63, 9] Generated Node #3: [63, 9] from Operation: 36/4=9 Current State: 54:[63, 9], Operations: ['79-43=36', '36/4=9'] Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[4, 43, 63, 79], Operations: [] Exploring Operation: 79-43=36, Resulting Numbers: [4, 63, 36] Generated Node #0,0: 54:[4, 63, 36] Operation: 79-43=36 Exploring Operation: 79-63=16, Resulting Numbers: [4, 43, 16] Generated Node #0,1: 54:[4, 43, 16] Operation: 79-63=16 Moving to Node #0,1 Current State: 54:[4, 43, 16], Operations: ['79-63=16'] Exploring Operation: 43+16=59, Resulting Numbers: [4, 59] Generated Node #0,1,0: 54:[4, 59] Operation: 43+16=59 Exploring Operation: 43-16=27, Resulting Numbers: [4, 27] Generated Node #0,1,1: 54:[4, 27] Operation: 43-16=27 Moving to Node #0,0 Current State: 54:[4, 63, 36], Operations: ['79-43=36'] Exploring Operation: 36/4=9, Resulting Numbers: [63, 9] Generated Node #0,0,0: 54:[63, 9] Operation: 36/4=9 Exploring Operation: 63-36=27, Resulting Numbers: [4, 27] Generated Node #0,0,1: 54:[4, 27] Operation: 63-36=27 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[4, 27], Operations: ['79-43=36', '63-36=27'] Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,54 unequal: No Solution Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[63, 9], Operations: ['79-43=36', '36/4=9'] Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[4, 43, 63, 79], Operations: [] Exploring Operation: 79-43=36, Resulting Numbers: [4, 63, 36] Generated Node #0,0: 54:[4, 63, 36] Operation: 79-43=36 Moving to Node #0,0 Current State: 54:[4, 63, 36], Operations: ['79-43=36'] Exploring Operation: 36/4=9, Resulting Numbers: [63, 9] Generated Node #0,0,0: 54:[63, 9] Operation: 36/4=9 Moving to Node #0,0,0 Current State: 54:[63, 9], Operations: ['79-43=36', '36/4=9'] Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_2
sum_heuristic
[ 45, 84, 43, 66 ]
63
[ "45+84=129", "129/43=3", "66-3=63" ]
Current State: 63:[45, 84, 43, 66], Operations: [] Exploring Operation: 45+84=129, Resulting Numbers: [43, 66, 129] Generated Node #2: [43, 66, 129] from Operation: 45+84=129 Current State: 63:[43, 66, 129], Operations: ['45+84=129'] Exploring Operation: 129/43=3, Resulting Numbers: [66, 3] Generated Node #3: [66, 3] from Operation: 129/43=3 Current State: 63:[66, 3], Operations: ['45+84=129', '129/43=3'] Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[45, 84, 43, 66], Operations: [] Exploring Operation: 66-45=21, Resulting Numbers: [84, 43, 21] Generated Node #0,0: 63:[84, 43, 21] Operation: 66-45=21 Exploring Operation: 45-43=2, Resulting Numbers: [84, 66, 2] Generated Node #0,1: 63:[84, 66, 2] Operation: 45-43=2 Exploring Operation: 84-45=39, Resulting Numbers: [43, 66, 39] Generated Node #0,2: 63:[43, 66, 39] Operation: 84-45=39 Moving to Node #0,1 Current State: 63:[84, 66, 2], Operations: ['45-43=2'] Exploring Operation: 66-2=64, Resulting Numbers: [84, 64] Generated Node #0,1,0: 63:[84, 64] Operation: 66-2=64 Exploring Operation: 84-66=18, Resulting Numbers: [2, 18] Generated Node #0,1,1: 63:[2, 18] Operation: 84-66=18 Exploring Operation: 84-2=82, Resulting Numbers: [66, 82] Generated Node #0,1,2: 63:[66, 82] Operation: 84-2=82 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 63:[2, 18], Operations: ['45-43=2', '84-66=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,63 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 63:[84, 64], Operations: ['45-43=2', '66-2=64'] Exploring Operation: 84*64=5376, Resulting Numbers: [5376] 5376,63 unequal: No Solution Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 84+64=148, Resulting Numbers: [148] 148,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 63:[66, 82], Operations: ['45-43=2', '84-2=82'] Exploring Operation: 66+82=148, Resulting Numbers: [148] 148,63 unequal: No Solution Exploring Operation: 66*82=5412, Resulting Numbers: [5412] 5412,63 unequal: No Solution Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,63 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: 63:[84, 43, 21], Operations: ['66-45=21'] Exploring Operation: 84/21=4, Resulting Numbers: [43, 4] Generated Node #0,0,0: 63:[43, 4] Operation: 84/21=4 Exploring Operation: 84-43=41, Resulting Numbers: [21, 41] Generated Node #0,0,1: 63:[21, 41] Operation: 84-43=41 Exploring Operation: 84-21=63, Resulting Numbers: [43, 63] Generated Node #0,0,2: 63:[43, 63] Operation: 84-21=63 Moving to Node #0,2 Current State: 63:[43, 66, 39], Operations: ['84-45=39'] Exploring Operation: 66-43=23, Resulting Numbers: [39, 23] Generated Node #0,2,0: 63:[39, 23] Operation: 66-43=23 Exploring Operation: 43+39=82, Resulting Numbers: [66, 82] Generated Node #0,2,1: 63:[66, 82] Operation: 43+39=82 Exploring Operation: 43-39=4, Resulting Numbers: [66, 4] Generated Node #0,2,2: 63:[66, 4] Operation: 43-39=4 Moving to Node #0,2,2 Current State: 63:[66, 4], Operations: ['84-45=39', '43-39=4'] Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,63 unequal: No Solution Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[21, 41], Operations: ['66-45=21', '84-43=41'] Exploring Operation: 21+41=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 21*41=861, Resulting Numbers: [861] 861,63 unequal: No Solution Moving to Node #0,2,0 Current State: 63:[39, 23], Operations: ['84-45=39', '66-43=23'] Exploring Operation: 39*23=897, Resulting Numbers: [897] 897,63 unequal: No Solution Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,63 unequal: No Solution Exploring Operation: 39+23=62, Resulting Numbers: [62] 62,63 unequal: No Solution Moving to Node #0,0,2 Current State: 63:[43, 63], Operations: ['66-45=21', '84-21=63'] Exploring Operation: 43+63=106, Resulting Numbers: [106] 106,63 unequal: No Solution Exploring Operation: 43*63=2709, Resulting Numbers: [2709] 2709,63 unequal: No Solution Exploring Operation: 63-43=20, Resulting Numbers: [20] 20,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[43, 4], Operations: ['66-45=21', '84/21=4'] Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,63 unequal: No Solution Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,63 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,63 unequal: No Solution Moving to Node #0,2,1 Current State: 63:[66, 82], Operations: ['84-45=39', '43+39=82'] Exploring Operation: 66+82=148, Resulting Numbers: [148] 148,63 unequal: No Solution Exploring Operation: 66*82=5412, Resulting Numbers: [5412] 5412,63 unequal: No Solution Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,63 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 66, 70, 93, 66 ]
93
[ "66-66=0", "70*0=0", "93+0=93" ]
Current State: 93:[66, 70, 93, 66], Operations: [] Exploring Operation: 66-66=0, Resulting Numbers: [70, 93, 0] Generated Node #2: [70, 93, 0] from Operation: 66-66=0 Current State: 93:[70, 93, 0], Operations: ['66-66=0'] Exploring Operation: 70*0=0, Resulting Numbers: [93, 0] Generated Node #3: [93, 0] from Operation: 70*0=0 Current State: 93:[93, 0], Operations: ['66-66=0', '70*0=0'] Exploring Operation: 93+0=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[66, 70, 93, 66], Operations: [] Exploring Operation: 66-66=0, Resulting Numbers: [70, 93, 0] Generated Node #0,0: 93:[70, 93, 0] Operation: 66-66=0 Exploring Operation: 66/66=1, Resulting Numbers: [70, 93, 1] Generated Node #0,1: 93:[70, 93, 1] Operation: 66/66=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[70, 93, 1], Operations: ['66/66=1'] Exploring Operation: 70+1=71, Resulting Numbers: [93, 71] Generated Node #0,1,0: 93:[93, 71] Operation: 70+1=71 Exploring Operation: 93-70=23, Resulting Numbers: [1, 23] Generated Node #0,1,1: 93:[1, 23] Operation: 93-70=23 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 93:[1, 23], Operations: ['66/66=1', '93-70=23'] Exploring Operation: 1*23=23, Resulting Numbers: [23] 23,93 unequal: No Solution Exploring Operation: 1+23=24, Resulting Numbers: [24] 24,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 93:[93, 71], Operations: ['66/66=1', '70+1=71'] Exploring Operation: 93-71=22, Resulting Numbers: [22] 22,93 unequal: No Solution Exploring Operation: 93+71=164, Resulting Numbers: [164] 164,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[70, 93, 0], Operations: ['66-66=0'] Exploring Operation: 93-70=23, Resulting Numbers: [0, 23] Generated Node #0,0,0: 93:[0, 23] Operation: 93-70=23 Exploring Operation: 70*0=0, Resulting Numbers: [93, 0] Generated Node #0,0,1: 93:[93, 0] Operation: 70*0=0 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 93:[93, 0], Operations: ['66-66=0', '70*0=0'] Exploring Operation: 93-0=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[66, 70, 93, 66], Operations: [] Exploring Operation: 66-66=0, Resulting Numbers: [70, 93, 0] Generated Node #0,0: 93:[70, 93, 0] Operation: 66-66=0 Moving to Node #0,0 Current State: 93:[70, 93, 0], Operations: ['66-66=0'] Exploring Operation: 70*0=0, Resulting Numbers: [93, 0] Generated Node #0,0,1: 93:[93, 0] Operation: 70*0=0 Moving to Node #0,0,1 Current State: 93:[93, 0], Operations: ['66-66=0', '70*0=0'] Exploring Operation: 93-0=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 20, 21, 82, 54 ]
56
[ "20+21=41", "82/41=2", "54+2=56" ]
Current State: 56:[20, 21, 82, 54], Operations: [] Exploring Operation: 20+21=41, Resulting Numbers: [82, 54, 41] Generated Node #2: [82, 54, 41] from Operation: 20+21=41 Current State: 56:[82, 54, 41], Operations: ['20+21=41'] Exploring Operation: 82/41=2, Resulting Numbers: [54, 2] Generated Node #3: [54, 2] from Operation: 82/41=2 Current State: 56:[54, 2], Operations: ['20+21=41', '82/41=2'] Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[20, 21, 82, 54], Operations: [] Exploring Operation: 82-21=61, Resulting Numbers: [20, 54, 61] Generated Node #0,0: 56:[20, 54, 61] Operation: 82-21=61 Exploring Operation: 82-54=28, Resulting Numbers: [20, 21, 28] Generated Node #0,1: 56:[20, 21, 28] Operation: 82-54=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[20, 54, 61], Operations: ['82-21=61'] Exploring Operation: 54-20=34, Resulting Numbers: [61, 34] Generated Node #0,0,0: 56:[61, 34] Operation: 54-20=34 Exploring Operation: 61-54=7, Resulting Numbers: [20, 7] Generated Node #0,0,1: 56:[20, 7] Operation: 61-54=7 Moving to Node #0,0,1 Current State: 56:[20, 7], Operations: ['82-21=61', '61-54=7'] Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,56 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[61, 34], Operations: ['82-21=61', '54-20=34'] Exploring Operation: 61-34=27, Resulting Numbers: [27] 27,56 unequal: No Solution Exploring Operation: 61+34=95, Resulting Numbers: [95] 95,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[20, 21, 28], Operations: ['82-54=28'] Exploring Operation: 28-21=7, Resulting Numbers: [20, 7] Generated Node #0,1,0: 56:[20, 7] Operation: 28-21=7 Exploring Operation: 21-20=1, Resulting Numbers: [28, 1] Generated Node #0,1,1: 56:[28, 1] Operation: 21-20=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 56:[28, 1], Operations: ['82-54=28', '21-20=1'] Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 56:[20, 7], Operations: ['82-54=28', '28-21=7'] Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,56 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 3, 27, 42, 48 ]
31
[ "48/3=16", "42-27=15", "16+15=31" ]
Current State: 31:[3, 27, 42, 48], Operations: [] Exploring Operation: 48/3=16, Resulting Numbers: [27, 42, 16] Generated Node #2: [27, 42, 16] from Operation: 48/3=16 Current State: 31:[27, 42, 16], Operations: ['48/3=16'] Exploring Operation: 42-27=15, Resulting Numbers: [16, 15] Generated Node #3: [16, 15] from Operation: 42-27=15 Current State: 31:[16, 15], Operations: ['48/3=16', '42-27=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[3, 27, 42, 48], Operations: [] Exploring Operation: 42-3=39, Resulting Numbers: [27, 48, 39] Generated Node #0,0: 31:[27, 48, 39] Operation: 42-3=39 Exploring Operation: 48-3=45, Resulting Numbers: [27, 42, 45] Generated Node #0,1: 31:[27, 42, 45] Operation: 48-3=45 Exploring Operation: 48/3=16, Resulting Numbers: [27, 42, 16] Generated Node #0,2: 31:[27, 42, 16] Operation: 48/3=16 Exploring Operation: 3+27=30, Resulting Numbers: [42, 48, 30] Generated Node #0,3: 31:[42, 48, 30] Operation: 3+27=30 Moving to Node #0,0 Current State: 31:[27, 48, 39], Operations: ['42-3=39'] Exploring Operation: 48-39=9, Resulting Numbers: [27, 9] Generated Node #0,0,0: 31:[27, 9] Operation: 48-39=9 Exploring Operation: 48-27=21, Resulting Numbers: [39, 21] Generated Node #0,0,1: 31:[39, 21] Operation: 48-27=21 Exploring Operation: 39-27=12, Resulting Numbers: [48, 12] Generated Node #0,0,2: 31:[48, 12] Operation: 39-27=12 Exploring Operation: 27+48=75, Resulting Numbers: [39, 75] Generated Node #0,0,3: 31:[39, 75] Operation: 27+48=75 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[39, 21], Operations: ['42-3=39', '48-27=21'] Exploring Operation: 39*21=819, Resulting Numbers: [819] 819,31 unequal: No Solution Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 39+21=60, Resulting Numbers: [60] 60,31 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:[27, 9], Operations: ['42-3=39', '48-39=9'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,31 unequal: No Solution Exploring Operation: 27*9=243, Resulting Numbers: [243] 243,31 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 27+9=36, Resulting Numbers: [36] 36,31 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 #0,0,2 Current State: 31:[48, 12], Operations: ['42-3=39', '39-27=12'] Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,31 unequal: No Solution Exploring Operation: 48+12=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 48*12=576, Resulting Numbers: [576] 576,31 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:[39, 75], Operations: ['42-3=39', '27+48=75'] Exploring Operation: 39+75=114, Resulting Numbers: [114] 114,31 unequal: No Solution Exploring Operation: 39*75=2925, Resulting Numbers: [2925] 2925,31 unequal: No Solution Exploring Operation: 75-39=36, Resulting Numbers: [36] 36,31 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: 31:[42, 48, 30], Operations: ['3+27=30'] Exploring Operation: 48-30=18, Resulting Numbers: [42, 18] Generated Node #0,3,0: 31:[42, 18] Operation: 48-30=18 Exploring Operation: 48-42=6, Resulting Numbers: [30, 6] Generated Node #0,3,1: 31:[30, 6] Operation: 48-42=6 Exploring Operation: 42-30=12, Resulting Numbers: [48, 12] Generated Node #0,3,2: 31:[48, 12] Operation: 42-30=12 Exploring Operation: 42+30=72, Resulting Numbers: [48, 72] Generated Node #0,3,3: 31:[48, 72] Operation: 42+30=72 Moving to Node #0,1 Current State: 31:[27, 42, 45], Operations: ['48-3=45'] Exploring Operation: 45-27=18, Resulting Numbers: [42, 18] Generated Node #0,1,0: 31:[42, 18] Operation: 45-27=18 Exploring Operation: 45-42=3, Resulting Numbers: [27, 3] Generated Node #0,1,1: 31:[27, 3] Operation: 45-42=3 Exploring Operation: 27+42=69, Resulting Numbers: [45, 69] Generated Node #0,1,2: 31:[45, 69] Operation: 27+42=69 Exploring Operation: 42-27=15, Resulting Numbers: [45, 15] Generated Node #0,1,3: 31:[45, 15] Operation: 42-27=15 Moving to Node #0,2 Current State: 31:[27, 42, 16], Operations: ['48/3=16'] Exploring Operation: 27+16=43, Resulting Numbers: [42, 43] Generated Node #0,2,0: 31:[42, 43] Operation: 27+16=43 Exploring Operation: 27-16=11, Resulting Numbers: [42, 11] Generated Node #0,2,1: 31:[42, 11] Operation: 27-16=11 Exploring Operation: 42-27=15, Resulting Numbers: [16, 15] Generated Node #0,2,2: 31:[16, 15] Operation: 42-27=15 Exploring Operation: 42-16=26, Resulting Numbers: [27, 26] Generated Node #0,2,3: 31:[27, 26] Operation: 42-16=26 Moving to Node #0,2,3 Current State: 31:[27, 26], Operations: ['48/3=16', '42-16=26'] Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,31 unequal: No Solution Exploring Operation: 27+26=53, Resulting Numbers: [53] 53,31 unequal: No Solution Exploring Operation: 27*26=702, Resulting Numbers: [702] 702,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[42, 43], Operations: ['48/3=16', '27+16=43'] Exploring Operation: 42+43=85, Resulting Numbers: [85] 85,31 unequal: No Solution Exploring Operation: 42*43=1806, Resulting Numbers: [1806] 1806,31 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,31 unequal: No Solution Moving to Node #0,3,0 Current State: 31:[42, 18], Operations: ['3+27=30', '48-30=18'] Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 42+18=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 42*18=756, Resulting Numbers: [756] 756,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[42, 18], Operations: ['48-3=45', '45-27=18'] Exploring Operation: 42+18=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 42*18=756, Resulting Numbers: [756] 756,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[30, 6], Operations: ['3+27=30', '48-42=6'] Exploring Operation: 30*6=180, Resulting Numbers: [180] 180,31 unequal: No Solution Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[45, 15], Operations: ['48-3=45', '42-27=15'] Exploring Operation: 45*15=675, Resulting Numbers: [675] 675,31 unequal: No Solution Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,31 unequal: No Solution Exploring Operation: 45+15=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[16, 15], Operations: ['48/3=16', '42-27=15'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,31 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[3, 27, 42, 48], Operations: [] Exploring Operation: 48/3=16, Resulting Numbers: [27, 42, 16] Generated Node #0,2: 31:[27, 42, 16] Operation: 48/3=16 Moving to Node #0,2 Current State: 31:[27, 42, 16], Operations: ['48/3=16'] Exploring Operation: 42-27=15, Resulting Numbers: [16, 15] Generated Node #0,2,2: 31:[16, 15] Operation: 42-27=15 Moving to Node #0,2,2 Current State: 31:[16, 15], Operations: ['48/3=16', '42-27=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
0.947917
hs_4
mult_heuristic
[ 12, 77, 90, 80 ]
86
[ "80-77=3", "12/3=4", "90-4=86" ]
Current State: 86:[12, 77, 90, 80], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [12, 90, 3] Generated Node #2: [12, 90, 3] from Operation: 80-77=3 Current State: 86:[12, 90, 3], Operations: ['80-77=3'] Exploring Operation: 12/3=4, Resulting Numbers: [90, 4] Generated Node #3: [90, 4] from Operation: 12/3=4 Current State: 86:[90, 4], Operations: ['80-77=3', '12/3=4'] Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[12, 77, 90, 80], Operations: [] Exploring Operation: 12+77=89, Resulting Numbers: [90, 80, 89] Generated Node #0,0: 86:[90, 80, 89] Operation: 12+77=89 Moving to Node #0,0 Current State: 86:[90, 80, 89], Operations: ['12+77=89'] Exploring Operation: 90-89=1, Resulting Numbers: [80, 1] Generated Node #0,0,0: 86:[80, 1] Operation: 90-89=1 Moving to Node #0,0,0 Current State: 86:[80, 1], Operations: ['12+77=89', '90-89=1'] Exploring Operation: 80+1=81, Resulting Numbers: [81] 81,86 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 69, 7, 8, 41 ]
37
[ "8*41=328", "328-69=259", "259/7=37" ]
Current State: 37:[69, 7, 8, 41], Operations: [] Exploring Operation: 8*41=328, Resulting Numbers: [69, 7, 328] Generated Node #2: [69, 7, 328] from Operation: 8*41=328 Current State: 37:[69, 7, 328], Operations: ['8*41=328'] Exploring Operation: 328-69=259, Resulting Numbers: [7, 259] Generated Node #3: [7, 259] from Operation: 328-69=259 Current State: 37:[7, 259], Operations: ['8*41=328', '328-69=259'] Exploring Operation: 259/7=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[69, 7, 8, 41], Operations: [] Exploring Operation: 7*8=56, Resulting Numbers: [69, 41, 56] Generated Node #0,0: 37:[69, 41, 56] Operation: 7*8=56 Moving to Node #0,0 Current State: 37:[69, 41, 56], Operations: ['7*8=56'] Exploring Operation: 69-41=28, Resulting Numbers: [56, 28] Generated Node #0,0,0: 37:[56, 28] Operation: 69-41=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[56, 28], Operations: ['7*8=56', '69-41=28'] Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,37 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
[ 32, 92, 48, 64 ]
94
[ "32*92=2944", "2944/64=46", "48+46=94" ]
Current State: 94:[32, 92, 48, 64], Operations: [] Exploring Operation: 32*92=2944, Resulting Numbers: [48, 64, 2944] Generated Node #2: [48, 64, 2944] from Operation: 32*92=2944 Current State: 94:[48, 64, 2944], Operations: ['32*92=2944'] Exploring Operation: 2944/64=46, Resulting Numbers: [48, 46] Generated Node #3: [48, 46] from Operation: 2944/64=46 Current State: 94:[48, 46], Operations: ['32*92=2944', '2944/64=46'] Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[32, 92, 48, 64], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [92, 48, 2] Generated Node #0,0: 94:[92, 48, 2] Operation: 64/32=2 Exploring Operation: 64-32=32, Resulting Numbers: [92, 48, 32] Generated Node #0,1: 94:[92, 48, 32] Operation: 64-32=32 Exploring Operation: 92-32=60, Resulting Numbers: [48, 64, 60] Generated Node #0,2: 94:[48, 64, 60] Operation: 92-32=60 Exploring Operation: 64-48=16, Resulting Numbers: [32, 92, 16] Generated Node #0,3: 94:[32, 92, 16] Operation: 64-48=16 Exploring Operation: 32+64=96, Resulting Numbers: [92, 48, 96] Generated Node #0,4: 94:[92, 48, 96] Operation: 32+64=96 Moving to Node #0,0 Current State: 94:[92, 48, 2], Operations: ['64/32=2'] Exploring Operation: 48-2=46, Resulting Numbers: [92, 46] Generated Node #0,0,0: 94:[92, 46] Operation: 48-2=46 Exploring Operation: 92/2=46, Resulting Numbers: [48, 46] Generated Node #0,0,1: 94:[48, 46] Operation: 92/2=46 Exploring Operation: 48*2=96, Resulting Numbers: [92, 96] Generated Node #0,0,2: 94:[92, 96] Operation: 48*2=96 Exploring Operation: 92+2=94, Resulting Numbers: [48, 94] Generated Node #0,0,3: 94:[48, 94] Operation: 92+2=94 Exploring Operation: 92-48=44, Resulting Numbers: [2, 44] Generated Node #0,0,4: 94:[2, 44] Operation: 92-48=44 Moving to Node #0,4 Current State: 94:[92, 48, 96], Operations: ['32+64=96'] Exploring Operation: 96-92=4, Resulting Numbers: [48, 4] Generated Node #0,4,0: 94:[48, 4] Operation: 96-92=4 Exploring Operation: 92+48=140, Resulting Numbers: [96, 140] Generated Node #0,4,1: 94:[96, 140] Operation: 92+48=140 Exploring Operation: 96-48=48, Resulting Numbers: [92, 48] Generated Node #0,4,2: 94:[92, 48] Operation: 96-48=48 Exploring Operation: 96/48=2, Resulting Numbers: [92, 2] Generated Node #0,4,3: 94:[92, 2] Operation: 96/48=2 Exploring Operation: 92-48=44, Resulting Numbers: [96, 44] Generated Node #0,4,4: 94:[96, 44] Operation: 92-48=44 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 94:[92, 2], Operations: ['32+64=96', '96/48=2'] Exploring Operation: 92*2=184, Resulting Numbers: [184] 184,94 unequal: No Solution Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,94 unequal: No Solution Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[32, 92, 48, 64], Operations: [] Exploring Operation: 32+64=96, Resulting Numbers: [92, 48, 96] Generated Node #0,4: 94:[92, 48, 96] Operation: 32+64=96 Moving to Node #0,4 Current State: 94:[92, 48, 96], Operations: ['32+64=96'] Exploring Operation: 96/48=2, Resulting Numbers: [92, 2] Generated Node #0,4,3: 94:[92, 2] Operation: 96/48=2 Moving to Node #0,4,3 Current State: 94:[92, 2], Operations: ['32+64=96', '96/48=2'] Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 57, 58, 15, 55 ]
40
[ "58-57=1", "55-15=40", "1*40=40" ]
Current State: 40:[57, 58, 15, 55], Operations: [] Exploring Operation: 58-57=1, Resulting Numbers: [15, 55, 1] Generated Node #2: [15, 55, 1] from Operation: 58-57=1 Current State: 40:[15, 55, 1], Operations: ['58-57=1'] Exploring Operation: 55-15=40, Resulting Numbers: [1, 40] Generated Node #3: [1, 40] from Operation: 55-15=40 Current State: 40:[1, 40], Operations: ['58-57=1', '55-15=40'] Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[57, 58, 15, 55], Operations: [] Exploring Operation: 58-57=1, Resulting Numbers: [15, 55, 1] Generated Node #0,0: 40:[15, 55, 1] Operation: 58-57=1 Exploring Operation: 57-55=2, Resulting Numbers: [58, 15, 2] Generated Node #0,1: 40:[58, 15, 2] Operation: 57-55=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[15, 55, 1], Operations: ['58-57=1'] Exploring Operation: 15+1=16, Resulting Numbers: [55, 16] Generated Node #0,0,0: 40:[55, 16] Operation: 15+1=16 Exploring Operation: 55-15=40, Resulting Numbers: [1, 40] Generated Node #0,0,1: 40:[1, 40] Operation: 55-15=40 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 40:[1, 40], Operations: ['58-57=1', '55-15=40'] Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[57, 58, 15, 55], Operations: [] Exploring Operation: 58-57=1, Resulting Numbers: [15, 55, 1] Generated Node #0,0: 40:[15, 55, 1] Operation: 58-57=1 Moving to Node #0,0 Current State: 40:[15, 55, 1], Operations: ['58-57=1'] Exploring Operation: 55-15=40, Resulting Numbers: [1, 40] Generated Node #0,0,1: 40:[1, 40] Operation: 55-15=40 Moving to Node #0,0,1 Current State: 40:[1, 40], Operations: ['58-57=1', '55-15=40'] Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 66, 99, 83, 92 ]
24
[ "99-66=33", "92-83=9", "33-9=24" ]
Current State: 24:[66, 99, 83, 92], Operations: [] Exploring Operation: 99-66=33, Resulting Numbers: [83, 92, 33] Generated Node #2: [83, 92, 33] from Operation: 99-66=33 Current State: 24:[83, 92, 33], Operations: ['99-66=33'] Exploring Operation: 92-83=9, Resulting Numbers: [33, 9] Generated Node #3: [33, 9] from Operation: 92-83=9 Current State: 24:[33, 9], Operations: ['99-66=33', '92-83=9'] Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[66, 99, 83, 92], Operations: [] Exploring Operation: 99-66=33, Resulting Numbers: [83, 92, 33] Generated Node #0,0: 24:[83, 92, 33] Operation: 99-66=33 Exploring Operation: 92-66=26, Resulting Numbers: [99, 83, 26] Generated Node #0,1: 24:[99, 83, 26] Operation: 92-66=26 Exploring Operation: 99-92=7, Resulting Numbers: [66, 83, 7] Generated Node #0,2: 24:[66, 83, 7] Operation: 99-92=7 Exploring Operation: 92-83=9, Resulting Numbers: [66, 99, 9] Generated Node #0,3: 24:[66, 99, 9] Operation: 92-83=9 Exploring Operation: 99-83=16, Resulting Numbers: [66, 92, 16] Generated Node #0,4: 24:[66, 92, 16] Operation: 99-83=16 Moving to Node #0,2 Current State: 24:[66, 83, 7], Operations: ['99-92=7'] Exploring Operation: 83-7=76, Resulting Numbers: [66, 76] Generated Node #0,2,0: 24:[66, 76] Operation: 83-7=76 Exploring Operation: 83-66=17, Resulting Numbers: [7, 17] Generated Node #0,2,1: 24:[7, 17] Operation: 83-66=17 Exploring Operation: 66-7=59, Resulting Numbers: [83, 59] Generated Node #0,2,2: 24:[83, 59] Operation: 66-7=59 Exploring Operation: 66+7=73, Resulting Numbers: [83, 73] Generated Node #0,2,3: 24:[83, 73] Operation: 66+7=73 Exploring Operation: 83+7=90, Resulting Numbers: [66, 90] Generated Node #0,2,4: 24:[66, 90] Operation: 83+7=90 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 24:[7, 17], Operations: ['99-92=7', '83-66=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[66, 99, 83, 92], Operations: [] Exploring Operation: 99-92=7, Resulting Numbers: [66, 83, 7] Generated Node #0,2: 24:[66, 83, 7] Operation: 99-92=7 Moving to Node #0,2 Current State: 24:[66, 83, 7], Operations: ['99-92=7'] Exploring Operation: 83-66=17, Resulting Numbers: [7, 17] Generated Node #0,2,1: 24:[7, 17] Operation: 83-66=17 Moving to Node #0,2,1 Current State: 24:[7, 17], Operations: ['99-92=7', '83-66=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 60, 58, 2, 20 ]
12
[ "60-58=2", "20/2=10", "2+10=12" ]
Current State: 12:[60, 58, 2, 20], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [2, 20, 2] Generated Node #2: [2, 20, 2] from Operation: 60-58=2 Current State: 12:[2, 20, 2], Operations: ['60-58=2'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,12 equal: Goal Reached Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[60, 58, 2, 20], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [2, 20, 2] Generated Node #0,0: 12:[2, 20, 2] Operation: 60-58=2 Moving to Node #0,0 Current State: 12:[2, 20, 2], Operations: ['60-58=2'] Exploring Operation: 20/2=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 12:[2, 10] Operation: 20/2=10 Moving to Node #0,0,0 Current State: 12:[2, 10], Operations: ['60-58=2', '20/2=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[60, 58, 2, 20], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [2, 20, 2] Generated Node #0,0: 12:[2, 20, 2] Operation: 60-58=2 Moving to Node #0,0 Current State: 12:[2, 20, 2], Operations: ['60-58=2'] Exploring Operation: 20/2=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 12:[2, 10] Operation: 20/2=10 Moving to Node #0,0,0 Current State: 12:[2, 10], Operations: ['60-58=2', '20/2=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 55, 3, 9, 80 ]
22
[ "80-55=25", "9/3=3", "25-3=22" ]
Current State: 22:[55, 3, 9, 80], Operations: [] Exploring Operation: 80-55=25, Resulting Numbers: [3, 9, 25] Generated Node #2: [3, 9, 25] from Operation: 80-55=25 Current State: 22:[3, 9, 25], Operations: ['80-55=25'] Exploring Operation: 9/3=3, Resulting Numbers: [25, 3] Generated Node #3: [25, 3] from Operation: 9/3=3 Current State: 22:[25, 3], Operations: ['80-55=25', '9/3=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[55, 3, 9, 80], Operations: [] Exploring Operation: 55-3=52, Resulting Numbers: [9, 80, 52] Generated Node #0,0: 22:[9, 80, 52] Operation: 55-3=52 Exploring Operation: 55-9=46, Resulting Numbers: [3, 80, 46] Generated Node #0,1: 22:[3, 80, 46] Operation: 55-9=46 Exploring Operation: 80-3=77, Resulting Numbers: [55, 9, 77] Generated Node #0,2: 22:[55, 9, 77] Operation: 80-3=77 Exploring Operation: 80-9=71, Resulting Numbers: [55, 3, 71] Generated Node #0,3: 22:[55, 3, 71] Operation: 80-9=71 Exploring Operation: 80-55=25, Resulting Numbers: [3, 9, 25] Generated Node #0,4: 22:[3, 9, 25] Operation: 80-55=25 Moving to Node #0,4 Current State: 22:[3, 9, 25], Operations: ['80-55=25'] Exploring Operation: 9-3=6, Resulting Numbers: [25, 6] Generated Node #0,4,0: 22:[25, 6] Operation: 9-3=6 Exploring Operation: 25-9=16, Resulting Numbers: [3, 16] Generated Node #0,4,1: 22:[3, 16] Operation: 25-9=16 Exploring Operation: 3+9=12, Resulting Numbers: [25, 12] Generated Node #0,4,2: 22:[25, 12] Operation: 3+9=12 Exploring Operation: 9/3=3, Resulting Numbers: [25, 3] Generated Node #0,4,3: 22:[25, 3] Operation: 9/3=3 Exploring Operation: 25-3=22, Resulting Numbers: [9, 22] Generated Node #0,4,4: 22:[9, 22] Operation: 25-3=22 Moving to Node #0,3 Current State: 22:[55, 3, 71], Operations: ['80-9=71'] Exploring Operation: 55+3=58, Resulting Numbers: [71, 58] Generated Node #0,3,0: 22:[71, 58] Operation: 55+3=58 Exploring Operation: 71-55=16, Resulting Numbers: [3, 16] Generated Node #0,3,1: 22:[3, 16] Operation: 71-55=16 Exploring Operation: 71-3=68, Resulting Numbers: [55, 68] Generated Node #0,3,2: 22:[55, 68] Operation: 71-3=68 Exploring Operation: 55-3=52, Resulting Numbers: [71, 52] Generated Node #0,3,3: 22:[71, 52] Operation: 55-3=52 Exploring Operation: 3+71=74, Resulting Numbers: [55, 74] Generated Node #0,3,4: 22:[55, 74] Operation: 3+71=74 Moving to Node #0,1 Current State: 22:[3, 80, 46], Operations: ['55-9=46'] Exploring Operation: 80-3=77, Resulting Numbers: [46, 77] Generated Node #0,1,0: 22:[46, 77] Operation: 80-3=77 Exploring Operation: 3+46=49, Resulting Numbers: [80, 49] Generated Node #0,1,1: 22:[80, 49] Operation: 3+46=49 Exploring Operation: 80-46=34, Resulting Numbers: [3, 34] Generated Node #0,1,2: 22:[3, 34] Operation: 80-46=34 Exploring Operation: 46-3=43, Resulting Numbers: [80, 43] Generated Node #0,1,3: 22:[80, 43] Operation: 46-3=43 Exploring Operation: 3+80=83, Resulting Numbers: [46, 83] Generated Node #0,1,4: 22:[46, 83] Operation: 3+80=83 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 22:[3, 34], Operations: ['55-9=46', '80-46=34'] Exploring Operation: 3*34=102, Resulting Numbers: [102] 102,22 unequal: No Solution Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 22:[46, 77], Operations: ['55-9=46', '80-3=77'] Exploring Operation: 46+77=123, Resulting Numbers: [123] 123,22 unequal: No Solution Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,22 unequal: No Solution Exploring Operation: 46*77=3542, Resulting Numbers: [3542] 3542,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 22:[80, 43], Operations: ['55-9=46', '46-3=43'] Exploring Operation: 80-43=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 80+43=123, Resulting Numbers: [123] 123,22 unequal: No Solution Exploring Operation: 80*43=3440, Resulting Numbers: [3440] 3440,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 22:[80, 49], Operations: ['55-9=46', '3+46=49'] Exploring Operation: 80*49=3920, Resulting Numbers: [3920] 3920,22 unequal: No Solution Exploring Operation: 80+49=129, Resulting Numbers: [129] 129,22 unequal: No Solution Exploring Operation: 80-49=31, Resulting Numbers: [31] 31,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 22:[46, 83], Operations: ['55-9=46', '3+80=83'] Exploring Operation: 83-46=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 46+83=129, Resulting Numbers: [129] 129,22 unequal: No Solution Exploring Operation: 46*83=3818, Resulting Numbers: [3818] 3818,22 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: 22:[9, 80, 52], Operations: ['55-3=52'] Exploring Operation: 52-9=43, Resulting Numbers: [80, 43] Generated Node #0,0,0: 22:[80, 43] Operation: 52-9=43 Exploring Operation: 9+80=89, Resulting Numbers: [52, 89] Generated Node #0,0,1: 22:[52, 89] Operation: 9+80=89 Exploring Operation: 9+52=61, Resulting Numbers: [80, 61] Generated Node #0,0,2: 22:[80, 61] Operation: 9+52=61 Exploring Operation: 80-9=71, Resulting Numbers: [52, 71] Generated Node #0,0,3: 22:[52, 71] Operation: 80-9=71 Exploring Operation: 80-52=28, Resulting Numbers: [9, 28] Generated Node #0,0,4: 22:[9, 28] Operation: 80-52=28 Moving to Node #0,2 Current State: 22:[55, 9, 77], Operations: ['80-3=77'] Exploring Operation: 77-9=68, Resulting Numbers: [55, 68] Generated Node #0,2,0: 22:[55, 68] Operation: 77-9=68 Exploring Operation: 77-55=22, Resulting Numbers: [9, 22] Generated Node #0,2,1: 22:[9, 22] Operation: 77-55=22 Exploring Operation: 9+77=86, Resulting Numbers: [55, 86] Generated Node #0,2,2: 22:[55, 86] Operation: 9+77=86 Exploring Operation: 55-9=46, Resulting Numbers: [77, 46] Generated Node #0,2,3: 22:[77, 46] Operation: 55-9=46 Exploring Operation: 55+9=64, Resulting Numbers: [77, 64] Generated Node #0,2,4: 22:[77, 64] Operation: 55+9=64 Moving to Node #0,4,4 Current State: 22:[9, 22], Operations: ['80-55=25', '25-3=22'] Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,22 unequal: No Solution Exploring Operation: 9+22=31, Resulting Numbers: [31] 31,22 unequal: No Solution Exploring Operation: 9*22=198, Resulting Numbers: [198] 198,22 unequal: No Solution Moving to Node #0,2,1 Current State: 22:[9, 22], Operations: ['80-3=77', '77-55=22'] Exploring Operation: 9*22=198, Resulting Numbers: [198] 198,22 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,22 unequal: No Solution Exploring Operation: 9+22=31, Resulting Numbers: [31] 31,22 unequal: No Solution Moving to Node #0,4,3 Current State: 22:[25, 3], Operations: ['80-55=25', '9/3=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,22 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[55, 3, 9, 80], Operations: [] Exploring Operation: 80-55=25, Resulting Numbers: [3, 9, 25] Generated Node #0,4: 22:[3, 9, 25] Operation: 80-55=25 Moving to Node #0,4 Current State: 22:[3, 9, 25], Operations: ['80-55=25'] Exploring Operation: 9/3=3, Resulting Numbers: [25, 3] Generated Node #0,4,3: 22:[25, 3] Operation: 9/3=3 Moving to Node #0,4,3 Current State: 22:[25, 3], Operations: ['80-55=25', '9/3=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
0.950521
hs_5
sum_heuristic
[ 9, 44, 18, 9 ]
44
[ "9+44=53", "18-9=9", "53-9=44" ]
Current State: 44:[9, 44, 18, 9], Operations: [] Exploring Operation: 9+44=53, Resulting Numbers: [18, 53] Generated Node #2: [18, 53] from Operation: 9+44=53 Current State: 44:[18, 53], Operations: ['9+44=53'] Exploring Operation: 18-9=9, Resulting Numbers: [53, 9] Generated Node #3: [53, 9] from Operation: 18-9=9 Current State: 44:[53, 9], Operations: ['9+44=53', '18-9=9'] Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[9, 44, 18, 9], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [44, 9, 2] Generated Node #0,0: 44:[44, 9, 2] Operation: 18/9=2 Moving to Node #0,0 Current State: 44:[44, 9, 2], Operations: ['18/9=2'] Exploring Operation: 9+2=11, Resulting Numbers: [44, 11] Generated Node #0,0,0: 44:[44, 11] Operation: 9+2=11 Moving to Node #0,0,0 Current State: 44:[44, 11], Operations: ['18/9=2', '9+2=11'] Exploring Operation: 44/11=4, Resulting Numbers: [4] 4,44 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 29, 33, 31, 74 ]
39
[ "33-29=4", "74-31=43", "43-4=39" ]
Current State: 39:[29, 33, 31, 74], Operations: [] Exploring Operation: 33-29=4, Resulting Numbers: [31, 74, 4] Generated Node #2: [31, 74, 4] from Operation: 33-29=4 Current State: 39:[31, 74, 4], Operations: ['33-29=4'] Exploring Operation: 74-31=43, Resulting Numbers: [4, 43] Generated Node #3: [4, 43] from Operation: 74-31=43 Current State: 39:[4, 43], Operations: ['33-29=4', '74-31=43'] Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[29, 33, 31, 74], Operations: [] Exploring Operation: 31-29=2, Resulting Numbers: [33, 74, 2] Generated Node #0,0: 39:[33, 74, 2] Operation: 31-29=2 Exploring Operation: 74-31=43, Resulting Numbers: [29, 33, 43] Generated Node #0,1: 39:[29, 33, 43] Operation: 74-31=43 Exploring Operation: 33-29=4, Resulting Numbers: [31, 74, 4] Generated Node #0,2: 39:[31, 74, 4] Operation: 33-29=4 Exploring Operation: 74-29=45, Resulting Numbers: [33, 31, 45] Generated Node #0,3: 39:[33, 31, 45] Operation: 74-29=45 Exploring Operation: 74-33=41, Resulting Numbers: [29, 31, 41] Generated Node #0,4: 39:[29, 31, 41] Operation: 74-33=41 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[29, 33, 43], Operations: ['74-31=43'] Exploring Operation: 29+33=62, Resulting Numbers: [43, 62] Generated Node #0,1,0: 39:[43, 62] Operation: 29+33=62 Exploring Operation: 43-29=14, Resulting Numbers: [33, 14] Generated Node #0,1,1: 39:[33, 14] Operation: 43-29=14 Exploring Operation: 43-33=10, Resulting Numbers: [29, 10] Generated Node #0,1,2: 39:[29, 10] Operation: 43-33=10 Exploring Operation: 29+43=72, Resulting Numbers: [33, 72] Generated Node #0,1,3: 39:[33, 72] Operation: 29+43=72 Exploring Operation: 33-29=4, Resulting Numbers: [43, 4] Generated Node #0,1,4: 39:[43, 4] Operation: 33-29=4 Moving to Node #0,1,4 Current State: 39:[43, 4], Operations: ['74-31=43', '33-29=4'] Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,39 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[29, 33, 31, 74], Operations: [] Exploring Operation: 74-31=43, Resulting Numbers: [29, 33, 43] Generated Node #0,1: 39:[29, 33, 43] Operation: 74-31=43 Moving to Node #0,1 Current State: 39:[29, 33, 43], Operations: ['74-31=43'] Exploring Operation: 33-29=4, Resulting Numbers: [43, 4] Generated Node #0,1,4: 39:[43, 4] Operation: 33-29=4 Moving to Node #0,1,4 Current State: 39:[43, 4], Operations: ['74-31=43', '33-29=4'] Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 93, 69, 16, 15 ]
55
[ "93-69=24", "16+15=31", "24+31=55" ]
Current State: 55:[93, 69, 16, 15], Operations: [] Exploring Operation: 93-69=24, Resulting Numbers: [16, 15, 24] Generated Node #2: [16, 15, 24] from Operation: 93-69=24 Current State: 55:[16, 15, 24], Operations: ['93-69=24'] Exploring Operation: 16+15=31, Resulting Numbers: [24, 31] Generated Node #3: [24, 31] from Operation: 16+15=31 Current State: 55:[24, 31], Operations: ['93-69=24', '16+15=31'] Exploring Operation: 24+31=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[93, 69, 16, 15], Operations: [] Exploring Operation: 69-16=53, Resulting Numbers: [93, 15, 53] Generated Node #0,0: 55:[93, 15, 53] Operation: 69-16=53 Exploring Operation: 69-15=54, Resulting Numbers: [93, 16, 54] Generated Node #0,1: 55:[93, 16, 54] Operation: 69-15=54 Exploring Operation: 93-15=78, Resulting Numbers: [69, 16, 78] Generated Node #0,2: 55:[69, 16, 78] Operation: 93-15=78 Exploring Operation: 93-69=24, Resulting Numbers: [16, 15, 24] Generated Node #0,3: 55:[16, 15, 24] Operation: 93-69=24 Exploring Operation: 93-16=77, Resulting Numbers: [69, 15, 77] Generated Node #0,4: 55:[69, 15, 77] Operation: 93-16=77 Start Sub Search at level 1: Moving to Node #0,3 Current State: 55:[16, 15, 24], Operations: ['93-69=24'] Exploring Operation: 24-15=9, Resulting Numbers: [16, 9] Generated Node #0,3,0: 55:[16, 9] Operation: 24-15=9 Exploring Operation: 24-16=8, Resulting Numbers: [15, 8] Generated Node #0,3,1: 55:[15, 8] Operation: 24-16=8 Exploring Operation: 16+24=40, Resulting Numbers: [15, 40] Generated Node #0,3,2: 55:[15, 40] Operation: 16+24=40 Exploring Operation: 15+24=39, Resulting Numbers: [16, 39] Generated Node #0,3,3: 55:[16, 39] Operation: 15+24=39 Exploring Operation: 16-15=1, Resulting Numbers: [24, 1] Generated Node #0,3,4: 55:[24, 1] Operation: 16-15=1 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 55:[16, 9], Operations: ['93-69=24', '24-15=9'] Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,55 unequal: No Solution Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,55 unequal: No Solution Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,55 unequal: No Solution No 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: 55:[15, 8], Operations: ['93-69=24', '24-16=8'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,55 unequal: No Solution Exploring Operation: 15*8=120, Resulting Numbers: [120] 120,55 unequal: No Solution Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,55 unequal: No Solution No 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: 55:[24, 1], Operations: ['93-69=24', '16-15=1'] Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,55 unequal: No Solution Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,55 unequal: No Solution Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,55 unequal: No Solution Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,55 unequal: No Solution No 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: 55:[15, 40], Operations: ['93-69=24', '16+24=40'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,55 unequal: No Solution Exploring Operation: 15+40=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[93, 69, 16, 15], Operations: [] Exploring Operation: 93-69=24, Resulting Numbers: [16, 15, 24] Generated Node #0,3: 55:[16, 15, 24] Operation: 93-69=24 Moving to Node #0,3 Current State: 55:[16, 15, 24], Operations: ['93-69=24'] Exploring Operation: 16+24=40, Resulting Numbers: [15, 40] Generated Node #0,3,2: 55:[15, 40] Operation: 16+24=40 Moving to Node #0,3,2 Current State: 55:[15, 40], Operations: ['93-69=24', '16+24=40'] Exploring Operation: 15+40=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 68, 90, 53, 68 ]
74
[ "68-53=15", "90/15=6", "68+6=74" ]
Current State: 74:[68, 90, 53, 68], Operations: [] Exploring Operation: 68-53=15, Resulting Numbers: [90, 15] Generated Node #2: [90, 15] from Operation: 68-53=15 Current State: 74:[90, 15], Operations: ['68-53=15'] Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,74 equal: Goal Reached Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[68, 90, 53, 68], Operations: [] Exploring Operation: 90-53=37, Resulting Numbers: [68, 68, 37] Generated Node #0,0: 74:[68, 68, 37] Operation: 90-53=37 Moving to Node #0,0 Current State: 74:[68, 68, 37], Operations: ['90-53=37'] Exploring Operation: 68/68=1, Resulting Numbers: [37, 1] Generated Node #0,0,0: 74:[37, 1] Operation: 68/68=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[37, 1], Operations: ['90-53=37', '68/68=1'] Exploring Operation: 37*1=37, Resulting Numbers: [37] 37,74 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
[ 25, 60, 2, 53 ]
30
[ "25+60=85", "2+53=55", "85-55=30" ]
Current State: 30:[25, 60, 2, 53], Operations: [] Exploring Operation: 25+60=85, Resulting Numbers: [2, 53, 85] Generated Node #2: [2, 53, 85] from Operation: 25+60=85 Current State: 30:[2, 53, 85], Operations: ['25+60=85'] Exploring Operation: 2+53=55, Resulting Numbers: [85, 55] Generated Node #3: [85, 55] from Operation: 2+53=55 Current State: 30:[85, 55], Operations: ['25+60=85', '2+53=55'] Exploring Operation: 85-55=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[25, 60, 2, 53], Operations: [] Exploring Operation: 60-25=35, Resulting Numbers: [2, 53, 35] Generated Node #0,0: 30:[2, 53, 35] Operation: 60-25=35 Exploring Operation: 60-53=7, Resulting Numbers: [25, 2, 7] Generated Node #0,1: 30:[25, 2, 7] Operation: 60-53=7 Exploring Operation: 60/2=30, Resulting Numbers: [25, 53, 30] Generated Node #0,2: 30:[25, 53, 30] Operation: 60/2=30 Moving to Node #0,1 Current State: 30:[25, 2, 7], Operations: ['60-53=7'] Exploring Operation: 25+7=32, Resulting Numbers: [2, 32] Generated Node #0,1,0: 30:[2, 32] Operation: 25+7=32 Exploring Operation: 25-7=18, Resulting Numbers: [2, 18] Generated Node #0,1,1: 30:[2, 18] Operation: 25-7=18 Exploring Operation: 25+2=27, Resulting Numbers: [7, 27] Generated Node #0,1,2: 30:[7, 27] Operation: 25+2=27 Moving to Node #0,0 Current State: 30:[2, 53, 35], Operations: ['60-25=35'] Exploring Operation: 53-2=51, Resulting Numbers: [35, 51] Generated Node #0,0,0: 30:[35, 51] Operation: 53-2=51 Exploring Operation: 35-2=33, Resulting Numbers: [53, 33] Generated Node #0,0,1: 30:[53, 33] Operation: 35-2=33 Exploring Operation: 53-35=18, Resulting Numbers: [2, 18] Generated Node #0,0,2: 30:[2, 18] Operation: 53-35=18 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[2, 18], Operations: ['60-25=35', '53-35=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,30 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[35, 51], Operations: ['60-25=35', '53-2=51'] Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 35*51=1785, Resulting Numbers: [1785] 1785,30 unequal: No Solution Exploring Operation: 35+51=86, Resulting Numbers: [86] 86,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[53, 33], Operations: ['60-25=35', '35-2=33'] Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,30 unequal: No Solution Exploring Operation: 53*33=1749, Resulting Numbers: [1749] 1749,30 unequal: No Solution Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,30 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: 30:[25, 53, 30], Operations: ['60/2=30'] Exploring Operation: 53-25=28, Resulting Numbers: [30, 28] Generated Node #0,2,0: 30:[30, 28] Operation: 53-25=28 Exploring Operation: 53-30=23, Resulting Numbers: [25, 23] Generated Node #0,2,1: 30:[25, 23] Operation: 53-30=23 Exploring Operation: 30-25=5, Resulting Numbers: [53, 5] Generated Node #0,2,2: 30:[53, 5] Operation: 30-25=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[30, 28], Operations: ['60/2=30', '53-25=28'] Exploring Operation: 30*28=840, Resulting Numbers: [840] 840,30 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 30:[25, 23], Operations: ['60/2=30', '53-30=23'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 25+23=48, Resulting Numbers: [48] 48,30 unequal: No Solution Exploring Operation: 25*23=575, Resulting Numbers: [575] 575,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 30:[53, 5], Operations: ['60/2=30', '30-25=5'] Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,30 unequal: No Solution Exploring Operation: 53*5=265, Resulting Numbers: [265] 265,30 unequal: No Solution Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,30 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: 30:[2, 32], Operations: ['60-53=7', '25+7=32'] Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,30 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[25, 60, 2, 53], Operations: [] Exploring Operation: 60-53=7, Resulting Numbers: [25, 2, 7] Generated Node #0,1: 30:[25, 2, 7] Operation: 60-53=7 Moving to Node #0,1 Current State: 30:[25, 2, 7], Operations: ['60-53=7'] Exploring Operation: 25+7=32, Resulting Numbers: [2, 32] Generated Node #0,1,0: 30:[2, 32] Operation: 25+7=32 Moving to Node #0,1,0 Current State: 30:[2, 32], Operations: ['60-53=7', '25+7=32'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.967882
hs_3
mult_heuristic
[ 38, 90, 45, 93 ]
74
[ "38*45=1710", "1710/90=19", "93-19=74" ]
Current State: 74:[38, 90, 45, 93], Operations: [] Exploring Operation: 38*45=1710, Resulting Numbers: [90, 93, 1710] Generated Node #2: [90, 93, 1710] from Operation: 38*45=1710 Current State: 74:[90, 93, 1710], Operations: ['38*45=1710'] Exploring Operation: 1710/90=19, Resulting Numbers: [93, 19] Generated Node #3: [93, 19] from Operation: 1710/90=19 Current State: 74:[93, 19], Operations: ['38*45=1710', '1710/90=19'] Exploring Operation: 93-19=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[38, 90, 45, 93], Operations: [] Exploring Operation: 90-45=45, Resulting Numbers: [38, 93, 45] Generated Node #0,0: 74:[38, 93, 45] Operation: 90-45=45 Exploring Operation: 93-90=3, Resulting Numbers: [38, 45, 3] Generated Node #0,1: 74:[38, 45, 3] Operation: 93-90=3 Exploring Operation: 90/45=2, Resulting Numbers: [38, 93, 2] Generated Node #0,2: 74:[38, 93, 2] Operation: 90/45=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[38, 45, 3], Operations: ['93-90=3'] Exploring Operation: 45-38=7, Resulting Numbers: [3, 7] Generated Node #0,1,0: 74:[3, 7] Operation: 45-38=7 Exploring Operation: 45-3=42, Resulting Numbers: [38, 42] Generated Node #0,1,1: 74:[38, 42] Operation: 45-3=42 Exploring Operation: 38+45=83, Resulting Numbers: [3, 83] Generated Node #0,1,2: 74:[3, 83] Operation: 38+45=83 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 74:[3, 7], Operations: ['93-90=3', '45-38=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,74 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,74 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 74:[38, 42], Operations: ['93-90=3', '45-3=42'] Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,74 unequal: No Solution Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 38*42=1596, Resulting Numbers: [1596] 1596,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 74:[3, 83], Operations: ['93-90=3', '38+45=83'] Exploring Operation: 3*83=249, Resulting Numbers: [249] 249,74 unequal: No Solution Exploring Operation: 3+83=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 74:[38, 93, 2], Operations: ['90/45=2'] Exploring Operation: 93-38=55, Resulting Numbers: [2, 55] Generated Node #0,2,0: 74:[2, 55] Operation: 93-38=55 Exploring Operation: 38-2=36, Resulting Numbers: [93, 36] Generated Node #0,2,1: 74:[93, 36] Operation: 38-2=36 Exploring Operation: 93-2=91, Resulting Numbers: [38, 91] Generated Node #0,2,2: 74:[38, 91] Operation: 93-2=91 Moving to Node #0,2,0 Current State: 74:[2, 55], Operations: ['90/45=2', '93-38=55'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,74 unequal: No Solution Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,74 unequal: No Solution Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,74 unequal: No Solution Moving to Node #0,2,2 Current State: 74:[38, 91], Operations: ['90/45=2', '93-2=91'] Exploring Operation: 38+91=129, Resulting Numbers: [129] 129,74 unequal: No Solution Exploring Operation: 91-38=53, Resulting Numbers: [53] 53,74 unequal: No Solution Exploring Operation: 38*91=3458, Resulting Numbers: [3458] 3458,74 unequal: No Solution Moving to Node #0,2,1 Current State: 74:[93, 36], Operations: ['90/45=2', '38-2=36'] Exploring Operation: 93+36=129, Resulting Numbers: [129] 129,74 unequal: No Solution Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,74 unequal: No Solution Exploring Operation: 93*36=3348, Resulting Numbers: [3348] 3348,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[38, 93, 45], Operations: ['90-45=45'] Exploring Operation: 45-38=7, Resulting Numbers: [93, 7] Generated Node #0,0,0: 74:[93, 7] Operation: 45-38=7 Exploring Operation: 93-45=48, Resulting Numbers: [38, 48] Generated Node #0,0,1: 74:[38, 48] Operation: 93-45=48 Exploring Operation: 93-38=55, Resulting Numbers: [45, 55] Generated Node #0,0,2: 74:[45, 55] Operation: 93-38=55 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 74:[38, 48], Operations: ['90-45=45', '93-45=48'] Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,74 unequal: No Solution Exploring Operation: 38+48=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 38*48=1824, Resulting Numbers: [1824] 1824,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[93, 7], Operations: ['90-45=45', '45-38=7'] Exploring Operation: 93+7=100, Resulting Numbers: [100] 100,74 unequal: No Solution Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 93*7=651, Resulting Numbers: [651] 651,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 74:[45, 55], Operations: ['90-45=45', '93-38=55'] Exploring Operation: 45*55=2475, Resulting Numbers: [2475] 2475,74 unequal: No Solution Exploring Operation: 55-45=10, Resulting Numbers: [10] 10,74 unequal: No Solution Exploring Operation: 45+55=100, Resulting Numbers: [100] 100,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 8, 88, 53, 22 ]
64
[ "88/8=11", "53+22=75", "75-11=64" ]
Current State: 64:[8, 88, 53, 22], Operations: [] Exploring Operation: 88/8=11, Resulting Numbers: [53, 22, 11] Generated Node #2: [53, 22, 11] from Operation: 88/8=11 Current State: 64:[53, 22, 11], Operations: ['88/8=11'] Exploring Operation: 53+22=75, Resulting Numbers: [11, 75] Generated Node #3: [11, 75] from Operation: 53+22=75 Current State: 64:[11, 75], Operations: ['88/8=11', '53+22=75'] Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[8, 88, 53, 22], Operations: [] Exploring Operation: 88-53=35, Resulting Numbers: [8, 22, 35] Generated Node #0,0: 64:[8, 22, 35] Operation: 88-53=35 Moving to Node #0,0 Current State: 64:[8, 22, 35], Operations: ['88-53=35'] Exploring Operation: 35-22=13, Resulting Numbers: [8, 13] Generated Node #0,0,0: 64:[8, 13] Operation: 35-22=13 Moving to Node #0,0,0 Current State: 64:[8, 13], Operations: ['88-53=35', '35-22=13'] Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,64 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 2, 22, 40, 58 ]
27
[ "22+40=62", "62/2=31", "58-31=27" ]
Current State: 27:[2, 22, 40, 58], Operations: [] Exploring Operation: 22+40=62, Resulting Numbers: [2, 58, 62] Generated Node #2: [2, 58, 62] from Operation: 22+40=62 Current State: 27:[2, 58, 62], Operations: ['22+40=62'] Exploring Operation: 62/2=31, Resulting Numbers: [58, 31] Generated Node #3: [58, 31] from Operation: 62/2=31 Current State: 27:[58, 31], Operations: ['22+40=62', '62/2=31'] Exploring Operation: 58-31=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[2, 22, 40, 58], Operations: [] Exploring Operation: 58-40=18, Resulting Numbers: [2, 22, 18] Generated Node #0,0: 27:[2, 22, 18] Operation: 58-40=18 Exploring Operation: 40-22=18, Resulting Numbers: [2, 58, 18] Generated Node #0,1: 27:[2, 58, 18] Operation: 40-22=18 Exploring Operation: 58-22=36, Resulting Numbers: [2, 40, 36] Generated Node #0,2: 27:[2, 40, 36] Operation: 58-22=36 Exploring Operation: 58/2=29, Resulting Numbers: [22, 40, 29] Generated Node #0,3: 27:[22, 40, 29] Operation: 58/2=29 Moving to Node #0,0 Current State: 27:[2, 22, 18], Operations: ['58-40=18'] Exploring Operation: 18/2=9, Resulting Numbers: [22, 9] Generated Node #0,0,0: 27:[22, 9] Operation: 18/2=9 Exploring Operation: 22-18=4, Resulting Numbers: [2, 4] Generated Node #0,0,1: 27:[2, 4] Operation: 22-18=4 Exploring Operation: 2+22=24, Resulting Numbers: [18, 24] Generated Node #0,0,2: 27:[18, 24] Operation: 2+22=24 Exploring Operation: 22/2=11, Resulting Numbers: [18, 11] Generated Node #0,0,3: 27:[18, 11] Operation: 22/2=11 Moving to Node #0,3 Current State: 27:[22, 40, 29], Operations: ['58/2=29'] Exploring Operation: 40-29=11, Resulting Numbers: [22, 11] Generated Node #0,3,0: 27:[22, 11] Operation: 40-29=11 Exploring Operation: 29-22=7, Resulting Numbers: [40, 7] Generated Node #0,3,1: 27:[40, 7] Operation: 29-22=7 Exploring Operation: 22+40=62, Resulting Numbers: [29, 62] Generated Node #0,3,2: 27:[29, 62] Operation: 22+40=62 Exploring Operation: 40-22=18, Resulting Numbers: [29, 18] Generated Node #0,3,3: 27:[29, 18] Operation: 40-22=18 Moving to Node #0,2 Current State: 27:[2, 40, 36], Operations: ['58-22=36'] Exploring Operation: 40-36=4, Resulting Numbers: [2, 4] Generated Node #0,2,0: 27:[2, 4] Operation: 40-36=4 Exploring Operation: 40-2=38, Resulting Numbers: [36, 38] Generated Node #0,2,1: 27:[36, 38] Operation: 40-2=38 Exploring Operation: 36-2=34, Resulting Numbers: [40, 34] Generated Node #0,2,2: 27:[40, 34] Operation: 36-2=34 Exploring Operation: 40/2=20, Resulting Numbers: [36, 20] Generated Node #0,2,3: 27:[36, 20] Operation: 40/2=20 Moving to Node #0,1 Current State: 27:[2, 58, 18], Operations: ['40-22=18'] Exploring Operation: 18/2=9, Resulting Numbers: [58, 9] Generated Node #0,1,0: 27:[58, 9] Operation: 18/2=9 Exploring Operation: 58-18=40, Resulting Numbers: [2, 40] Generated Node #0,1,1: 27:[2, 40] Operation: 58-18=40 Exploring Operation: 58/2=29, Resulting Numbers: [18, 29] Generated Node #0,1,2: 27:[18, 29] Operation: 58/2=29 Exploring Operation: 58-2=56, Resulting Numbers: [18, 56] Generated Node #0,1,3: 27:[18, 56] Operation: 58-2=56 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 27:[18, 29], Operations: ['40-22=18', '58/2=29'] Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,27 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,27 unequal: No Solution Exploring Operation: 18*29=522, Resulting Numbers: [522] 522,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 27:[2, 40], Operations: ['40-22=18', '58-18=40'] Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,27 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,27 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,27 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 27:[58, 9], Operations: ['40-22=18', '18/2=9'] Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,27 unequal: No Solution Exploring Operation: 58*9=522, Resulting Numbers: [522] 522,27 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 27:[18, 56], Operations: ['40-22=18', '58-2=56'] Exploring Operation: 18*56=1008, Resulting Numbers: [1008] 1008,27 unequal: No Solution Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,27 unequal: No Solution Exploring Operation: 18+56=74, Resulting Numbers: [74] 74,27 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: 27:[2, 4], Operations: ['58-40=18', '22-18=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[2, 4], Operations: ['58-22=36', '40-36=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[22, 9], Operations: ['58-40=18', '18/2=9'] Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 22*9=198, Resulting Numbers: [198] 198,27 unequal: No Solution Exploring Operation: 22+9=31, Resulting Numbers: [31] 31,27 unequal: No Solution Moving to Node #0,3,0 Current State: 27:[22, 11], Operations: ['58/2=29', '40-29=11'] Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,27 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 22*11=242, Resulting Numbers: [242] 242,27 unequal: No Solution Moving to Node #0,0,3 Current State: 27:[18, 11], Operations: ['58-40=18', '22/2=11'] Exploring Operation: 18+11=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 18*11=198, Resulting Numbers: [198] 198,27 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,27 unequal: No Solution Moving to Node #0,3,3 Current State: 27:[29, 18], Operations: ['58/2=29', '40-22=18'] Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,27 unequal: No Solution Exploring Operation: 29+18=47, Resulting Numbers: [47] 47,27 unequal: No Solution Exploring Operation: 29*18=522, Resulting Numbers: [522] 522,27 unequal: No Solution Moving to Node #0,0,2 Current State: 27:[18, 24], Operations: ['58-40=18', '2+22=24'] Exploring Operation: 24-18=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 18+24=42, Resulting Numbers: [42] 42,27 unequal: No Solution Exploring Operation: 18*24=432, Resulting Numbers: [432] 432,27 unequal: No Solution Moving to Node #0,3,1 Current State: 27:[40, 7], Operations: ['58/2=29', '29-22=7'] Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 40*7=280, Resulting Numbers: [280] 280,27 unequal: No Solution Exploring Operation: 40+7=47, Resulting Numbers: [47] 47,27 unequal: No Solution Moving to Node #0,2,3 Current State: 27:[36, 20], Operations: ['58-22=36', '40/2=20'] Exploring Operation: 36*20=720, Resulting Numbers: [720] 720,27 unequal: No Solution Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 36+20=56, Resulting Numbers: [56] 56,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[36, 38], Operations: ['58-22=36', '40-2=38'] Exploring Operation: 36*38=1368, Resulting Numbers: [1368] 1368,27 unequal: No Solution Exploring Operation: 36+38=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[40, 34], Operations: ['58-22=36', '36-2=34'] Exploring Operation: 40*34=1360, Resulting Numbers: [1360] 1360,27 unequal: No Solution Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,27 unequal: No Solution Moving to Node #0,3,2 Current State: 27:[29, 62], Operations: ['58/2=29', '22+40=62'] Exploring Operation: 29*62=1798, Resulting Numbers: [1798] 1798,27 unequal: No Solution Exploring Operation: 62-29=33, Resulting Numbers: [33] 33,27 unequal: No Solution Exploring Operation: 29+62=91, Resulting Numbers: [91] 91,27 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 38, 47, 4, 44 ]
45
[ "38+47=85", "44-4=40", "85-40=45" ]
Current State: 45:[38, 47, 4, 44], Operations: [] Exploring Operation: 38+47=85, Resulting Numbers: [4, 44, 85] Generated Node #2: [4, 44, 85] from Operation: 38+47=85 Current State: 45:[4, 44, 85], Operations: ['38+47=85'] Exploring Operation: 44-4=40, Resulting Numbers: [85, 40] Generated Node #3: [85, 40] from Operation: 44-4=40 Current State: 45:[85, 40], Operations: ['38+47=85', '44-4=40'] Exploring Operation: 85-40=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[38, 47, 4, 44], Operations: [] Exploring Operation: 47-44=3, Resulting Numbers: [38, 4, 3] Generated Node #0,0: 45:[38, 4, 3] Operation: 47-44=3 Exploring Operation: 44-38=6, Resulting Numbers: [47, 4, 6] Generated Node #0,1: 45:[47, 4, 6] Operation: 44-38=6 Exploring Operation: 47-38=9, Resulting Numbers: [4, 44, 9] Generated Node #0,2: 45:[4, 44, 9] Operation: 47-38=9 Exploring Operation: 47-4=43, Resulting Numbers: [38, 44, 43] Generated Node #0,3: 45:[38, 44, 43] Operation: 47-4=43 Exploring Operation: 38+4=42, Resulting Numbers: [47, 44, 42] Generated Node #0,4: 45:[47, 44, 42] Operation: 38+4=42 Moving to Node #0,2 Current State: 45:[4, 44, 9], Operations: ['47-38=9'] Exploring Operation: 9-4=5, Resulting Numbers: [44, 5] Generated Node #0,2,0: 45:[44, 5] Operation: 9-4=5 Exploring Operation: 44/4=11, Resulting Numbers: [9, 11] Generated Node #0,2,1: 45:[9, 11] Operation: 44/4=11 Exploring Operation: 4+44=48, Resulting Numbers: [9, 48] Generated Node #0,2,2: 45:[9, 48] Operation: 4+44=48 Exploring Operation: 44-4=40, Resulting Numbers: [9, 40] Generated Node #0,2,3: 45:[9, 40] Operation: 44-4=40 Exploring Operation: 4+9=13, Resulting Numbers: [44, 13] Generated Node #0,2,4: 45:[44, 13] Operation: 4+9=13 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 45:[44, 5], Operations: ['47-38=9', '9-4=5'] Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,45 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,45 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,45 unequal: No Solution No 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: 45:[9, 11], Operations: ['47-38=9', '44/4=11'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,45 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,45 unequal: No Solution No 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: 45:[9, 48], Operations: ['47-38=9', '4+44=48'] Exploring Operation: 9*48=432, Resulting Numbers: [432] 432,45 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,45 unequal: No Solution Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,45 unequal: No Solution No 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: 45:[44, 13], Operations: ['47-38=9', '4+9=13'] Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,45 unequal: No Solution Exploring Operation: 44+13=57, Resulting Numbers: [57] 57,45 unequal: No Solution Exploring Operation: 44*13=572, Resulting Numbers: [572] 572,45 unequal: No Solution No 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: 45:[9, 40], Operations: ['47-38=9', '44-4=40'] Exploring Operation: 9*40=360, Resulting Numbers: [360] 360,45 unequal: No Solution Exploring Operation: 9+40=49, Resulting Numbers: [49] 49,45 unequal: No Solution Exploring Operation: 40-9=31, Resulting Numbers: [31] 31,45 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: 45:[47, 4, 6], Operations: ['44-38=6'] Exploring Operation: 47+4=51, Resulting Numbers: [6, 51] Generated Node #0,1,0: 45:[6, 51] Operation: 47+4=51 Exploring Operation: 6-4=2, Resulting Numbers: [47, 2] Generated Node #0,1,1: 45:[47, 2] Operation: 6-4=2 Exploring Operation: 47-4=43, Resulting Numbers: [6, 43] Generated Node #0,1,2: 45:[6, 43] Operation: 47-4=43 Exploring Operation: 4+6=10, Resulting Numbers: [47, 10] Generated Node #0,1,3: 45:[47, 10] Operation: 4+6=10 Exploring Operation: 47-6=41, Resulting Numbers: [4, 41] Generated Node #0,1,4: 45:[4, 41] Operation: 47-6=41 Moving to Node #0,4 Current State: 45:[47, 44, 42], Operations: ['38+4=42'] Exploring Operation: 44-42=2, Resulting Numbers: [47, 2] Generated Node #0,4,0: 45:[47, 2] Operation: 44-42=2 Exploring Operation: 47-44=3, Resulting Numbers: [42, 3] Generated Node #0,4,1: 45:[42, 3] Operation: 47-44=3 Exploring Operation: 47-42=5, Resulting Numbers: [44, 5] Generated Node #0,4,2: 45:[44, 5] Operation: 47-42=5 Exploring Operation: 47+42=89, Resulting Numbers: [44, 89] Generated Node #0,4,3: 45:[44, 89] Operation: 47+42=89 Exploring Operation: 44+42=86, Resulting Numbers: [47, 86] Generated Node #0,4,4: 45:[47, 86] Operation: 44+42=86 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 45:[44, 5], Operations: ['38+4=42', '47-42=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,45 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,45 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,45 unequal: No Solution No 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: 45:[47, 2], Operations: ['38+4=42', '44-42=2'] Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,45 unequal: No Solution Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,45 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[38, 47, 4, 44], Operations: [] Exploring Operation: 38+4=42, Resulting Numbers: [47, 44, 42] Generated Node #0,4: 45:[47, 44, 42] Operation: 38+4=42 Moving to Node #0,4 Current State: 45:[47, 44, 42], Operations: ['38+4=42'] Exploring Operation: 44-42=2, Resulting Numbers: [47, 2] Generated Node #0,4,0: 45:[47, 2] Operation: 44-42=2 Moving to Node #0,4,0 Current State: 45:[47, 2], Operations: ['38+4=42', '44-42=2'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.960938
hs_5
sum_heuristic
[ 87, 44, 21, 8 ]
30
[ "87-44=43", "21-8=13", "43-13=30" ]
Current State: 30:[87, 44, 21, 8], Operations: [] Exploring Operation: 87-44=43, Resulting Numbers: [21, 8, 43] Generated Node #2: [21, 8, 43] from Operation: 87-44=43 Current State: 30:[21, 8, 43], Operations: ['87-44=43'] Exploring Operation: 21-8=13, Resulting Numbers: [43, 13] Generated Node #3: [43, 13] from Operation: 21-8=13 Current State: 30:[43, 13], Operations: ['87-44=43', '21-8=13'] Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[87, 44, 21, 8], Operations: [] Exploring Operation: 87-21=66, Resulting Numbers: [44, 8, 66] Generated Node #0,0: 30:[44, 8, 66] Operation: 87-21=66 Exploring Operation: 44-21=23, Resulting Numbers: [87, 8, 23] Generated Node #0,1: 30:[87, 8, 23] Operation: 44-21=23 Exploring Operation: 87-44=43, Resulting Numbers: [21, 8, 43] Generated Node #0,2: 30:[21, 8, 43] Operation: 87-44=43 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[21, 8, 43], Operations: ['87-44=43'] Exploring Operation: 43-21=22, Resulting Numbers: [8, 22] Generated Node #0,2,0: 30:[8, 22] Operation: 43-21=22 Exploring Operation: 43-8=35, Resulting Numbers: [21, 35] Generated Node #0,2,1: 30:[21, 35] Operation: 43-8=35 Exploring Operation: 21+8=29, Resulting Numbers: [43, 29] Generated Node #0,2,2: 30:[43, 29] Operation: 21+8=29 Moving to Node #0,2,0 Current State: 30:[8, 22], Operations: ['87-44=43', '43-21=22'] Exploring Operation: 8*22=176, Resulting Numbers: [176] 176,30 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[87, 44, 21, 8], Operations: [] Exploring Operation: 87-44=43, Resulting Numbers: [21, 8, 43] Generated Node #0,2: 30:[21, 8, 43] Operation: 87-44=43 Moving to Node #0,2 Current State: 30:[21, 8, 43], Operations: ['87-44=43'] Exploring Operation: 43-21=22, Resulting Numbers: [8, 22] Generated Node #0,2,0: 30:[8, 22] Operation: 43-21=22 Moving to Node #0,2,0 Current State: 30:[8, 22], Operations: ['87-44=43', '43-21=22'] Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 3, 72, 99, 80 ]
25
[ "99/3=33", "80-72=8", "33-8=25" ]
Current State: 25:[3, 72, 99, 80], Operations: [] Exploring Operation: 99/3=33, Resulting Numbers: [72, 80, 33] Generated Node #2: [72, 80, 33] from Operation: 99/3=33 Current State: 25:[72, 80, 33], Operations: ['99/3=33'] Exploring Operation: 80-72=8, Resulting Numbers: [33, 8] Generated Node #3: [33, 8] from Operation: 80-72=8 Current State: 25:[33, 8], Operations: ['99/3=33', '80-72=8'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[3, 72, 99, 80], Operations: [] Exploring Operation: 99-72=27, Resulting Numbers: [3, 80, 27] Generated Node #0,0: 25:[3, 80, 27] Operation: 99-72=27 Exploring Operation: 99-80=19, Resulting Numbers: [3, 72, 19] Generated Node #0,1: 25:[3, 72, 19] Operation: 99-80=19 Exploring Operation: 80-72=8, Resulting Numbers: [3, 99, 8] Generated Node #0,2: 25:[3, 99, 8] Operation: 80-72=8 Moving to Node #0,1 Current State: 25:[3, 72, 19], Operations: ['99-80=19'] Exploring Operation: 72-19=53, Resulting Numbers: [3, 53] Generated Node #0,1,0: 25:[3, 53] Operation: 72-19=53 Exploring Operation: 72-3=69, Resulting Numbers: [19, 69] Generated Node #0,1,1: 25:[19, 69] Operation: 72-3=69 Exploring Operation: 72/3=24, Resulting Numbers: [19, 24] Generated Node #0,1,2: 25:[19, 24] Operation: 72/3=24 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 25:[19, 24], Operations: ['99-80=19', '72/3=24'] Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,25 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[3, 53], Operations: ['99-80=19', '72-19=53'] Exploring Operation: 3*53=159, Resulting Numbers: [159] 159,25 unequal: No Solution Exploring Operation: 3+53=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[19, 69], Operations: ['99-80=19', '72-3=69'] Exploring Operation: 19+69=88, Resulting Numbers: [88] 88,25 unequal: No Solution Exploring Operation: 19*69=1311, Resulting Numbers: [1311] 1311,25 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 25:[3, 80, 27], Operations: ['99-72=27'] Exploring Operation: 80-27=53, Resulting Numbers: [3, 53] Generated Node #0,0,0: 25:[3, 53] Operation: 80-27=53 Exploring Operation: 27-3=24, Resulting Numbers: [80, 24] Generated Node #0,0,1: 25:[80, 24] Operation: 27-3=24 Exploring Operation: 80-3=77, Resulting Numbers: [27, 77] Generated Node #0,0,2: 25:[27, 77] Operation: 80-3=77 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[3, 53], Operations: ['99-72=27', '80-27=53'] Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 3+53=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 3*53=159, Resulting Numbers: [159] 159,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 25:[27, 77], Operations: ['99-72=27', '80-3=77'] Exploring Operation: 27*77=2079, Resulting Numbers: [2079] 2079,25 unequal: No Solution Exploring Operation: 27+77=104, Resulting Numbers: [104] 104,25 unequal: No Solution Exploring Operation: 77-27=50, Resulting Numbers: [50] 50,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[80, 24], Operations: ['99-72=27', '27-3=24'] Exploring Operation: 80+24=104, Resulting Numbers: [104] 104,25 unequal: No Solution Exploring Operation: 80-24=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 80*24=1920, Resulting Numbers: [1920] 1920,25 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: 25:[3, 99, 8], Operations: ['80-72=8'] Exploring Operation: 99/3=33, Resulting Numbers: [8, 33] Generated Node #0,2,0: 25:[8, 33] Operation: 99/3=33 Exploring Operation: 99-8=91, Resulting Numbers: [3, 91] Generated Node #0,2,1: 25:[3, 91] Operation: 99-8=91 Exploring Operation: 99-3=96, Resulting Numbers: [8, 96] Generated Node #0,2,2: 25:[8, 96] Operation: 99-3=96 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[8, 33], Operations: ['80-72=8', '99/3=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[3, 72, 99, 80], Operations: [] Exploring Operation: 80-72=8, Resulting Numbers: [3, 99, 8] Generated Node #0,2: 25:[3, 99, 8] Operation: 80-72=8 Moving to Node #0,2 Current State: 25:[3, 99, 8], Operations: ['80-72=8'] Exploring Operation: 99/3=33, Resulting Numbers: [8, 33] Generated Node #0,2,0: 25:[8, 33] Operation: 99/3=33 Moving to Node #0,2,0 Current State: 25:[8, 33], Operations: ['80-72=8', '99/3=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_3
mult_heuristic
[ 76, 62, 16, 37 ]
85
[ "76+62=138", "16+37=53", "138-53=85" ]
Current State: 85:[76, 62, 16, 37], Operations: [] Exploring Operation: 76+62=138, Resulting Numbers: [16, 37, 138] Generated Node #2: [16, 37, 138] from Operation: 76+62=138 Current State: 85:[16, 37, 138], Operations: ['76+62=138'] Exploring Operation: 16+37=53, Resulting Numbers: [138, 53] Generated Node #3: [138, 53] from Operation: 16+37=53 Current State: 85:[138, 53], Operations: ['76+62=138', '16+37=53'] Exploring Operation: 138-53=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[76, 62, 16, 37], Operations: [] Exploring Operation: 62-37=25, Resulting Numbers: [76, 16, 25] Generated Node #0,0: 85:[76, 16, 25] Operation: 62-37=25 Exploring Operation: 62+37=99, Resulting Numbers: [76, 16, 99] Generated Node #0,1: 85:[76, 16, 99] Operation: 62+37=99 Exploring Operation: 76-62=14, Resulting Numbers: [16, 37, 14] Generated Node #0,2: 85:[16, 37, 14] Operation: 76-62=14 Moving to Node #0,0 Current State: 85:[76, 16, 25], Operations: ['62-37=25'] Exploring Operation: 25-16=9, Resulting Numbers: [76, 9] Generated Node #0,0,0: 85:[76, 9] Operation: 25-16=9 Exploring Operation: 76+16=92, Resulting Numbers: [25, 92] Generated Node #0,0,1: 85:[25, 92] Operation: 76+16=92 Exploring Operation: 76+25=101, Resulting Numbers: [16, 101] Generated Node #0,0,2: 85:[16, 101] Operation: 76+25=101 Moving to Node #0,1 Current State: 85:[76, 16, 99], Operations: ['62+37=99'] Exploring Operation: 99-76=23, Resulting Numbers: [16, 23] Generated Node #0,1,0: 85:[16, 23] Operation: 99-76=23 Exploring Operation: 76+16=92, Resulting Numbers: [99, 92] Generated Node #0,1,1: 85:[99, 92] Operation: 76+16=92 Exploring Operation: 99-16=83, Resulting Numbers: [76, 83] Generated Node #0,1,2: 85:[76, 83] Operation: 99-16=83 Moving to Node #0,2 Current State: 85:[16, 37, 14], Operations: ['76-62=14'] Exploring Operation: 37-14=23, Resulting Numbers: [16, 23] Generated Node #0,2,0: 85:[16, 23] Operation: 37-14=23 Exploring Operation: 37-16=21, Resulting Numbers: [14, 21] Generated Node #0,2,1: 85:[14, 21] Operation: 37-16=21 Exploring Operation: 16-14=2, Resulting Numbers: [37, 2] Generated Node #0,2,2: 85:[37, 2] Operation: 16-14=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[16, 23], Operations: ['76-62=14', '37-14=23'] Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,85 unequal: No Solution Exploring Operation: 16*23=368, Resulting Numbers: [368] 368,85 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,85 unequal: No Solution No 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: 85:[14, 21], Operations: ['76-62=14', '37-16=21'] Exploring Operation: 14*21=294, Resulting Numbers: [294] 294,85 unequal: No Solution Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,85 unequal: No Solution Exploring Operation: 14+21=35, Resulting Numbers: [35] 35,85 unequal: No Solution No 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: 85:[37, 2], Operations: ['76-62=14', '16-14=2'] Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,85 unequal: No Solution Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,85 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: 85:[16, 23], Operations: ['62+37=99', '99-76=23'] Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,85 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,85 unequal: No Solution Exploring Operation: 16*23=368, Resulting Numbers: [368] 368,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[76, 83], Operations: ['62+37=99', '99-16=83'] Exploring Operation: 76+83=159, Resulting Numbers: [159] 159,85 unequal: No Solution Exploring Operation: 76*83=6308, Resulting Numbers: [6308] 6308,85 unequal: No Solution Exploring Operation: 83-76=7, Resulting Numbers: [7] 7,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[76, 9], Operations: ['62-37=25', '25-16=9'] Exploring Operation: 76-9=67, Resulting Numbers: [67] 67,85 unequal: No Solution Exploring Operation: 76*9=684, Resulting Numbers: [684] 684,85 unequal: No Solution Exploring Operation: 76+9=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[76, 62, 16, 37], Operations: [] Exploring Operation: 62-37=25, Resulting Numbers: [76, 16, 25] Generated Node #0,0: 85:[76, 16, 25] Operation: 62-37=25 Moving to Node #0,0 Current State: 85:[76, 16, 25], Operations: ['62-37=25'] Exploring Operation: 25-16=9, Resulting Numbers: [76, 9] Generated Node #0,0,0: 85:[76, 9] Operation: 25-16=9 Moving to Node #0,0,0 Current State: 85:[76, 9], Operations: ['62-37=25', '25-16=9'] Exploring Operation: 76+9=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.970486
hs_3
mult_heuristic
[ 97, 5, 22, 15 ]
95
[ "97+5=102", "22-15=7", "102-7=95" ]
Current State: 95:[97, 5, 22, 15], Operations: [] Exploring Operation: 97+5=102, Resulting Numbers: [22, 15, 102] Generated Node #2: [22, 15, 102] from Operation: 97+5=102 Current State: 95:[22, 15, 102], Operations: ['97+5=102'] Exploring Operation: 22-15=7, Resulting Numbers: [102, 7] Generated Node #3: [102, 7] from Operation: 22-15=7 Current State: 95:[102, 7], Operations: ['97+5=102', '22-15=7'] Exploring Operation: 102-7=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[97, 5, 22, 15], Operations: [] Exploring Operation: 22-15=7, Resulting Numbers: [97, 5, 7] Generated Node #0,0: 95:[97, 5, 7] Operation: 22-15=7 Exploring Operation: 5+15=20, Resulting Numbers: [97, 22, 20] Generated Node #0,1: 95:[97, 22, 20] Operation: 5+15=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[97, 5, 7], Operations: ['22-15=7'] Exploring Operation: 97-7=90, Resulting Numbers: [5, 90] Generated Node #0,0,0: 95:[5, 90] Operation: 97-7=90 Exploring Operation: 97-5=92, Resulting Numbers: [7, 92] Generated Node #0,0,1: 95:[7, 92] Operation: 97-5=92 Moving to Node #0,0,0 Current State: 95:[5, 90], Operations: ['22-15=7', '97-7=90'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,95 unequal: No Solution Exploring Operation: 5+90=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[97, 5, 22, 15], Operations: [] Exploring Operation: 22-15=7, Resulting Numbers: [97, 5, 7] Generated Node #0,0: 95:[97, 5, 7] Operation: 22-15=7 Moving to Node #0,0 Current State: 95:[97, 5, 7], Operations: ['22-15=7'] Exploring Operation: 97-7=90, Resulting Numbers: [5, 90] Generated Node #0,0,0: 95:[5, 90] Operation: 97-7=90 Moving to Node #0,0,0 Current State: 95:[5, 90], Operations: ['22-15=7', '97-7=90'] Exploring Operation: 5+90=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 64, 55, 39, 57 ]
71
[ "57-55=2", "64/2=32", "39+32=71" ]
Current State: 71:[64, 55, 39, 57], Operations: [] Exploring Operation: 57-55=2, Resulting Numbers: [64, 39, 2] Generated Node #2: [64, 39, 2] from Operation: 57-55=2 Current State: 71:[64, 39, 2], Operations: ['57-55=2'] Exploring Operation: 64/2=32, Resulting Numbers: [39, 32] Generated Node #3: [39, 32] from Operation: 64/2=32 Current State: 71:[39, 32], Operations: ['57-55=2', '64/2=32'] Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[64, 55, 39, 57], Operations: [] Exploring Operation: 64-39=25, Resulting Numbers: [55, 57, 25] Generated Node #0,0: 71:[55, 57, 25] Operation: 64-39=25 Exploring Operation: 64+39=103, Resulting Numbers: [55, 57, 103] Generated Node #0,1: 71:[55, 57, 103] Operation: 64+39=103 Exploring Operation: 55-39=16, Resulting Numbers: [64, 57, 16] Generated Node #0,2: 71:[64, 57, 16] Operation: 55-39=16 Exploring Operation: 55+39=94, Resulting Numbers: [64, 57, 94] Generated Node #0,3: 71:[64, 57, 94] Operation: 55+39=94 Exploring Operation: 39+57=96, Resulting Numbers: [64, 55, 96] Generated Node #0,4: 71:[64, 55, 96] Operation: 39+57=96 Moving to Node #0,3 Current State: 71:[64, 57, 94], Operations: ['55+39=94'] Exploring Operation: 94-57=37, Resulting Numbers: [64, 37] Generated Node #0,3,0: 71:[64, 37] Operation: 94-57=37 Exploring Operation: 57+94=151, Resulting Numbers: [64, 151] Generated Node #0,3,1: 71:[64, 151] Operation: 57+94=151 Exploring Operation: 94-64=30, Resulting Numbers: [57, 30] Generated Node #0,3,2: 71:[57, 30] Operation: 94-64=30 Exploring Operation: 64+57=121, Resulting Numbers: [94, 121] Generated Node #0,3,3: 71:[94, 121] Operation: 64+57=121 Exploring Operation: 64-57=7, Resulting Numbers: [94, 7] Generated Node #0,3,4: 71:[94, 7] Operation: 64-57=7 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[64, 37], Operations: ['55+39=94', '94-57=37'] Exploring Operation: 64+37=101, Resulting Numbers: [101] 101,71 unequal: No Solution Exploring Operation: 64-37=27, Resulting Numbers: [27] 27,71 unequal: No Solution Exploring Operation: 64*37=2368, Resulting Numbers: [2368] 2368,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 71:[57, 30], Operations: ['55+39=94', '94-64=30'] Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,71 unequal: No Solution Exploring Operation: 57*30=1710, Resulting Numbers: [1710] 1710,71 unequal: No Solution Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[94, 121], Operations: ['55+39=94', '64+57=121'] Exploring Operation: 94*121=11374, Resulting Numbers: [11374] 11374,71 unequal: No Solution Exploring Operation: 94+121=215, Resulting Numbers: [215] 215,71 unequal: No Solution Exploring Operation: 121-94=27, Resulting Numbers: [27] 27,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 71:[64, 151], Operations: ['55+39=94', '57+94=151'] Exploring Operation: 151-64=87, Resulting Numbers: [87] 87,71 unequal: No Solution Exploring Operation: 64*151=9664, Resulting Numbers: [9664] 9664,71 unequal: No Solution Exploring Operation: 64+151=215, Resulting Numbers: [215] 215,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 71:[94, 7], Operations: ['55+39=94', '64-57=7'] Exploring Operation: 94*7=658, Resulting Numbers: [658] 658,71 unequal: No Solution Exploring Operation: 94-7=87, Resulting Numbers: [87] 87,71 unequal: No Solution Exploring Operation: 94+7=101, Resulting Numbers: [101] 101,71 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: 71:[64, 55, 96], Operations: ['39+57=96'] Exploring Operation: 64+55=119, Resulting Numbers: [96, 119] Generated Node #0,4,0: 71:[96, 119] Operation: 64+55=119 Exploring Operation: 55+96=151, Resulting Numbers: [64, 151] Generated Node #0,4,1: 71:[64, 151] Operation: 55+96=151 Exploring Operation: 96-55=41, Resulting Numbers: [64, 41] Generated Node #0,4,2: 71:[64, 41] Operation: 96-55=41 Exploring Operation: 64-55=9, Resulting Numbers: [96, 9] Generated Node #0,4,3: 71:[96, 9] Operation: 64-55=9 Exploring Operation: 96-64=32, Resulting Numbers: [55, 32] Generated Node #0,4,4: 71:[55, 32] Operation: 96-64=32 Moving to Node #0,1 Current State: 71:[55, 57, 103], Operations: ['64+39=103'] Exploring Operation: 103-55=48, Resulting Numbers: [57, 48] Generated Node #0,1,0: 71:[57, 48] Operation: 103-55=48 Exploring Operation: 55+103=158, Resulting Numbers: [57, 158] Generated Node #0,1,1: 71:[57, 158] Operation: 55+103=158 Exploring Operation: 57-55=2, Resulting Numbers: [103, 2] Generated Node #0,1,2: 71:[103, 2] Operation: 57-55=2 Exploring Operation: 103-57=46, Resulting Numbers: [55, 46] Generated Node #0,1,3: 71:[55, 46] Operation: 103-57=46 Exploring Operation: 55+57=112, Resulting Numbers: [103, 112] Generated Node #0,1,4: 71:[103, 112] Operation: 55+57=112 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[57, 48], Operations: ['64+39=103', '103-55=48'] Exploring Operation: 57*48=2736, Resulting Numbers: [2736] 2736,71 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 57+48=105, Resulting Numbers: [105] 105,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 71:[55, 46], Operations: ['64+39=103', '103-57=46'] Exploring Operation: 55+46=101, Resulting Numbers: [101] 101,71 unequal: No Solution Exploring Operation: 55-46=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 55*46=2530, Resulting Numbers: [2530] 2530,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 71:[103, 112], Operations: ['64+39=103', '55+57=112'] Exploring Operation: 103*112=11536, Resulting Numbers: [11536] 11536,71 unequal: No Solution Exploring Operation: 103+112=215, Resulting Numbers: [215] 215,71 unequal: No Solution Exploring Operation: 112-103=9, Resulting Numbers: [9] 9,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[57, 158], Operations: ['64+39=103', '55+103=158'] Exploring Operation: 158-57=101, Resulting Numbers: [101] 101,71 unequal: No Solution Exploring Operation: 57+158=215, Resulting Numbers: [215] 215,71 unequal: No Solution Exploring Operation: 57*158=9006, Resulting Numbers: [9006] 9006,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[103, 2], Operations: ['64+39=103', '57-55=2'] Exploring Operation: 103*2=206, Resulting Numbers: [206] 206,71 unequal: No Solution Exploring Operation: 103+2=105, Resulting Numbers: [105] 105,71 unequal: No Solution Exploring Operation: 103-2=101, Resulting Numbers: [101] 101,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 71:[55, 57, 25], Operations: ['64-39=25'] Exploring Operation: 55+25=80, Resulting Numbers: [57, 80] Generated Node #0,0,0: 71:[57, 80] Operation: 55+25=80 Exploring Operation: 57+25=82, Resulting Numbers: [55, 82] Generated Node #0,0,1: 71:[55, 82] Operation: 57+25=82 Exploring Operation: 55-25=30, Resulting Numbers: [57, 30] Generated Node #0,0,2: 71:[57, 30] Operation: 55-25=30 Exploring Operation: 55+57=112, Resulting Numbers: [25, 112] Generated Node #0,0,3: 71:[25, 112] Operation: 55+57=112 Exploring Operation: 57-25=32, Resulting Numbers: [55, 32] Generated Node #0,0,4: 71:[55, 32] Operation: 57-25=32 Moving to Node #0,2 Current State: 71:[64, 57, 16], Operations: ['55-39=16'] Exploring Operation: 64-16=48, Resulting Numbers: [57, 48] Generated Node #0,2,0: 71:[57, 48] Operation: 64-16=48 Exploring Operation: 64+16=80, Resulting Numbers: [57, 80] Generated Node #0,2,1: 71:[57, 80] Operation: 64+16=80 Exploring Operation: 57+16=73, Resulting Numbers: [64, 73] Generated Node #0,2,2: 71:[64, 73] Operation: 57+16=73 Exploring Operation: 57-16=41, Resulting Numbers: [64, 41] Generated Node #0,2,3: 71:[64, 41] Operation: 57-16=41 Exploring Operation: 64/16=4, Resulting Numbers: [57, 4] Generated Node #0,2,4: 71:[57, 4] Operation: 64/16=4 Moving to Node #0,2,2 Current State: 71:[64, 73], Operations: ['55-39=16', '57+16=73'] Exploring Operation: 64*73=4672, Resulting Numbers: [4672] 4672,71 unequal: No Solution Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 64+73=137, Resulting Numbers: [137] 137,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[57, 80], Operations: ['55-39=16', '64+16=80'] Exploring Operation: 57*80=4560, Resulting Numbers: [4560] 4560,71 unequal: No Solution Exploring Operation: 57+80=137, Resulting Numbers: [137] 137,71 unequal: No Solution Exploring Operation: 80-57=23, Resulting Numbers: [23] 23,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[57, 80], Operations: ['64-39=25', '55+25=80'] Exploring Operation: 80-57=23, Resulting Numbers: [23] 23,71 unequal: No Solution Exploring Operation: 57*80=4560, Resulting Numbers: [4560] 4560,71 unequal: No Solution Exploring Operation: 57+80=137, Resulting Numbers: [137] 137,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[55, 82], Operations: ['64-39=25', '57+25=82'] Exploring Operation: 55*82=4510, Resulting Numbers: [4510] 4510,71 unequal: No Solution Exploring Operation: 55+82=137, Resulting Numbers: [137] 137,71 unequal: No Solution Exploring Operation: 82-55=27, Resulting Numbers: [27] 27,71 unequal: No Solution Moving to Node #0,4,2 Current State: 71:[64, 41], Operations: ['39+57=96', '96-55=41'] Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,71 unequal: No Solution Exploring Operation: 64*41=2624, Resulting Numbers: [2624] 2624,71 unequal: No Solution Exploring Operation: 64+41=105, Resulting Numbers: [105] 105,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[57, 48], Operations: ['55-39=16', '64-16=48'] Exploring Operation: 57*48=2736, Resulting Numbers: [2736] 2736,71 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 57+48=105, Resulting Numbers: [105] 105,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[64, 41], Operations: ['55-39=16', '57-16=41'] Exploring Operation: 64+41=105, Resulting Numbers: [105] 105,71 unequal: No Solution Exploring Operation: 64*41=2624, Resulting Numbers: [2624] 2624,71 unequal: No Solution Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,71 unequal: No Solution Moving to Node #0,4,4 Current State: 71:[55, 32], Operations: ['39+57=96', '96-64=32'] Exploring Operation: 55*32=1760, Resulting Numbers: [1760] 1760,71 unequal: No Solution Exploring Operation: 55+32=87, Resulting Numbers: [87] 87,71 unequal: No Solution Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[57, 30], Operations: ['64-39=25', '55-25=30'] Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,71 unequal: No Solution Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,71 unequal: No Solution Exploring Operation: 57*30=1710, Resulting Numbers: [1710] 1710,71 unequal: No Solution Moving to Node #0,0,4 Current State: 71:[55, 32], Operations: ['64-39=25', '57-25=32'] Exploring Operation: 55*32=1760, Resulting Numbers: [1760] 1760,71 unequal: No Solution Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,71 unequal: No Solution Exploring Operation: 55+32=87, Resulting Numbers: [87] 87,71 unequal: No Solution Moving to Node #0,4,0 Current State: 71:[96, 119], Operations: ['39+57=96', '64+55=119'] Exploring Operation: 96*119=11424, Resulting Numbers: [11424] 11424,71 unequal: No Solution Exploring Operation: 119-96=23, Resulting Numbers: [23] 23,71 unequal: No Solution Exploring Operation: 96+119=215, Resulting Numbers: [215] 215,71 unequal: No Solution Moving to Node #0,2,4 Current State: 71:[57, 4], Operations: ['55-39=16', '64/16=4'] Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,71 unequal: No Solution Exploring Operation: 57+4=61, Resulting Numbers: [61] 61,71 unequal: No Solution Exploring Operation: 57*4=228, Resulting Numbers: [228] 228,71 unequal: No Solution Moving to Node #0,4,3 Current State: 71:[96, 9], Operations: ['39+57=96', '64-55=9'] Exploring Operation: 96*9=864, Resulting Numbers: [864] 864,71 unequal: No Solution Exploring Operation: 96-9=87, Resulting Numbers: [87] 87,71 unequal: No Solution Exploring Operation: 96+9=105, Resulting Numbers: [105] 105,71 unequal: No Solution Moving to Node #0,4,1 Current State: 71:[64, 151], Operations: ['39+57=96', '55+96=151'] Exploring Operation: 151-64=87, Resulting Numbers: [87] 87,71 unequal: No Solution Exploring Operation: 64+151=215, Resulting Numbers: [215] 215,71 unequal: No Solution Exploring Operation: 64*151=9664, Resulting Numbers: [9664] 9664,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[25, 112], Operations: ['64-39=25', '55+57=112'] Exploring Operation: 25*112=2800, Resulting Numbers: [2800] 2800,71 unequal: No Solution Exploring Operation: 25+112=137, Resulting Numbers: [137] 137,71 unequal: No Solution Exploring Operation: 112-25=87, Resulting Numbers: [87] 87,71 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 50, 80, 45, 12 ]
87
[ "80-50=30", "45+12=57", "30+57=87" ]
Current State: 87:[50, 80, 45, 12], Operations: [] Exploring Operation: 80-50=30, Resulting Numbers: [45, 12, 30] Generated Node #2: [45, 12, 30] from Operation: 80-50=30 Current State: 87:[45, 12, 30], Operations: ['80-50=30'] Exploring Operation: 45+12=57, Resulting Numbers: [30, 57] Generated Node #3: [30, 57] from Operation: 45+12=57 Current State: 87:[30, 57], Operations: ['80-50=30', '45+12=57'] Exploring Operation: 30+57=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[50, 80, 45, 12], Operations: [] Exploring Operation: 50+45=95, Resulting Numbers: [80, 12, 95] Generated Node #0,0: 87:[80, 12, 95] Operation: 50+45=95 Exploring Operation: 50-45=5, Resulting Numbers: [80, 12, 5] Generated Node #0,1: 87:[80, 12, 5] Operation: 50-45=5 Exploring Operation: 50-12=38, Resulting Numbers: [80, 45, 38] Generated Node #0,2: 87:[80, 45, 38] Operation: 50-12=38 Exploring Operation: 80-50=30, Resulting Numbers: [45, 12, 30] Generated Node #0,3: 87:[45, 12, 30] Operation: 80-50=30 Moving to Node #0,1 Current State: 87:[80, 12, 5], Operations: ['50-45=5'] Exploring Operation: 12-5=7, Resulting Numbers: [80, 7] Generated Node #0,1,0: 87:[80, 7] Operation: 12-5=7 Exploring Operation: 80+5=85, Resulting Numbers: [12, 85] Generated Node #0,1,1: 87:[12, 85] Operation: 80+5=85 Exploring Operation: 80+12=92, Resulting Numbers: [5, 92] Generated Node #0,1,2: 87:[5, 92] Operation: 80+12=92 Exploring Operation: 12+5=17, Resulting Numbers: [80, 17] Generated Node #0,1,3: 87:[80, 17] Operation: 12+5=17 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 87:[5, 92], Operations: ['50-45=5', '80+12=92'] Exploring Operation: 5*92=460, Resulting Numbers: [460] 460,87 unequal: No Solution Exploring Operation: 5+92=97, Resulting Numbers: [97] 97,87 unequal: No Solution Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[50, 80, 45, 12], Operations: [] Exploring Operation: 50-45=5, Resulting Numbers: [80, 12, 5] Generated Node #0,1: 87:[80, 12, 5] Operation: 50-45=5 Moving to Node #0,1 Current State: 87:[80, 12, 5], Operations: ['50-45=5'] Exploring Operation: 80+12=92, Resulting Numbers: [5, 92] Generated Node #0,1,2: 87:[5, 92] Operation: 80+12=92 Moving to Node #0,1,2 Current State: 87:[5, 92], Operations: ['50-45=5', '80+12=92'] Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 55, 89, 68, 35 ]
69
[ "89-55=34", "68+35=103", "103-34=69" ]
Current State: 69:[55, 89, 68, 35], Operations: [] Exploring Operation: 89-55=34, Resulting Numbers: [68, 35, 34] Generated Node #2: [68, 35, 34] from Operation: 89-55=34 Current State: 69:[68, 35, 34], Operations: ['89-55=34'] Exploring Operation: 68+35=103, Resulting Numbers: [34, 103] Generated Node #3: [34, 103] from Operation: 68+35=103 Current State: 69:[34, 103], Operations: ['89-55=34', '68+35=103'] Exploring Operation: 103-34=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[55, 89, 68, 35], Operations: [] Exploring Operation: 89-55=34, Resulting Numbers: [68, 35, 34] Generated Node #0,0: 69:[68, 35, 34] Operation: 89-55=34 Exploring Operation: 89-68=21, Resulting Numbers: [55, 35, 21] Generated Node #0,1: 69:[55, 35, 21] Operation: 89-68=21 Exploring Operation: 55-35=20, Resulting Numbers: [89, 68, 20] Generated Node #0,2: 69:[89, 68, 20] Operation: 55-35=20 Moving to Node #0,0 Current State: 69:[68, 35, 34], Operations: ['89-55=34'] Exploring Operation: 68/34=2, Resulting Numbers: [35, 2] Generated Node #0,0,0: 69:[35, 2] Operation: 68/34=2 Exploring Operation: 35+34=69, Resulting Numbers: [68, 69] Generated Node #0,0,1: 69:[68, 69] Operation: 35+34=69 Exploring Operation: 35-34=1, Resulting Numbers: [68, 1] Generated Node #0,0,2: 69:[68, 1] Operation: 35-34=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[68, 69], Operations: ['89-55=34', '35+34=69'] Exploring Operation: 69-68=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 68+69=137, Resulting Numbers: [137] 137,69 unequal: No Solution Exploring Operation: 68*69=4692, Resulting Numbers: [4692] 4692,69 unequal: No Solution No 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: 69:[68, 1], Operations: ['89-55=34', '35-34=1'] Exploring Operation: 68*1=68, Resulting Numbers: [68] 68,69 unequal: No Solution Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[55, 89, 68, 35], Operations: [] Exploring Operation: 89-55=34, Resulting Numbers: [68, 35, 34] Generated Node #0,0: 69:[68, 35, 34] Operation: 89-55=34 Moving to Node #0,0 Current State: 69:[68, 35, 34], Operations: ['89-55=34'] Exploring Operation: 35-34=1, Resulting Numbers: [68, 1] Generated Node #0,0,2: 69:[68, 1] Operation: 35-34=1 Moving to Node #0,0,2 Current State: 69:[68, 1], Operations: ['89-55=34', '35-34=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 46, 46, 10, 39 ]
43
[ "46+46=92", "10+39=49", "92-49=43" ]
Current State: 43:[46, 46, 10, 39], Operations: [] Exploring Operation: 46+46=92, Resulting Numbers: [10, 39, 92] Generated Node #2: [10, 39, 92] from Operation: 46+46=92 Current State: 43:[10, 39, 92], Operations: ['46+46=92'] Exploring Operation: 10+39=49, Resulting Numbers: [92, 49] Generated Node #3: [92, 49] from Operation: 10+39=49 Current State: 43:[92, 49], Operations: ['46+46=92', '10+39=49'] Exploring Operation: 92-49=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[46, 46, 10, 39], Operations: [] Exploring Operation: 46+10=56, Resulting Numbers: [46, 39, 56] Generated Node #0,0: 43:[46, 39, 56] Operation: 46+10=56 Exploring Operation: 46-10=36, Resulting Numbers: [46, 39, 36] Generated Node #0,1: 43:[46, 39, 36] Operation: 46-10=36 Exploring Operation: 46-10=36, Resulting Numbers: [46, 39, 36] Generated Node #0,2: 43:[46, 39, 36] Operation: 46-10=36 Exploring Operation: 10+39=49, Resulting Numbers: [46, 46, 49] Generated Node #0,3: 43:[46, 46, 49] Operation: 10+39=49 Moving to Node #0,3 Current State: 43:[46, 46, 49], Operations: ['10+39=49'] Exploring Operation: 46-46=0, Resulting Numbers: [49, 0] Generated Node #0,3,0: 43:[49, 0] Operation: 46-46=0 Exploring Operation: 46/46=1, Resulting Numbers: [49, 1] Generated Node #0,3,1: 43:[49, 1] Operation: 46/46=1 Exploring Operation: 49-46=3, Resulting Numbers: [46, 3] Generated Node #0,3,2: 43:[46, 3] Operation: 49-46=3 Exploring Operation: 49-46=3, Resulting Numbers: [46, 3] Generated Node #0,3,3: 43:[46, 3] Operation: 49-46=3 Moving to Node #0,2 Current State: 43:[46, 39, 36], Operations: ['46-10=36'] Exploring Operation: 39+36=75, Resulting Numbers: [46, 75] Generated Node #0,2,0: 43:[46, 75] Operation: 39+36=75 Exploring Operation: 46-36=10, Resulting Numbers: [39, 10] Generated Node #0,2,1: 43:[39, 10] Operation: 46-36=10 Exploring Operation: 46-39=7, Resulting Numbers: [36, 7] Generated Node #0,2,2: 43:[36, 7] Operation: 46-39=7 Exploring Operation: 46+36=82, Resulting Numbers: [39, 82] Generated Node #0,2,3: 43:[39, 82] Operation: 46+36=82 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 43:[46, 75], Operations: ['46-10=36', '39+36=75'] Exploring Operation: 46*75=3450, Resulting Numbers: [3450] 3450,43 unequal: No Solution Exploring Operation: 75-46=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 46+75=121, Resulting Numbers: [121] 121,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 43:[39, 10], Operations: ['46-10=36', '46-36=10'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,43 unequal: No Solution Exploring Operation: 39*10=390, Resulting Numbers: [390] 390,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 43:[36, 7], Operations: ['46-10=36', '46-39=7'] Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[46, 46, 10, 39], Operations: [] Exploring Operation: 46-10=36, Resulting Numbers: [46, 39, 36] Generated Node #0,2: 43:[46, 39, 36] Operation: 46-10=36 Moving to Node #0,2 Current State: 43:[46, 39, 36], Operations: ['46-10=36'] Exploring Operation: 46-39=7, Resulting Numbers: [36, 7] Generated Node #0,2,2: 43:[36, 7] Operation: 46-39=7 Moving to Node #0,2,2 Current State: 43:[36, 7], Operations: ['46-10=36', '46-39=7'] Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
mult_heuristic
[ 48, 5, 29, 48 ]
96
[ "48*48=2304", "29-5=24", "2304/24=96" ]
Current State: 96:[48, 5, 29, 48], Operations: [] Exploring Operation: 48*48=2304, Resulting Numbers: [5, 29, 2304] Generated Node #2: [5, 29, 2304] from Operation: 48*48=2304 Current State: 96:[5, 29, 2304], Operations: ['48*48=2304'] Exploring Operation: 29-5=24, Resulting Numbers: [2304, 24] Generated Node #3: [2304, 24] from Operation: 29-5=24 Current State: 96:[2304, 24], Operations: ['48*48=2304', '29-5=24'] Exploring Operation: 2304/24=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[48, 5, 29, 48], Operations: [] Exploring Operation: 48+48=96, Resulting Numbers: [5, 29, 96] Generated Node #0,0: 96:[5, 29, 96] Operation: 48+48=96 Exploring Operation: 29-5=24, Resulting Numbers: [48, 48, 24] Generated Node #0,1: 96:[48, 48, 24] Operation: 29-5=24 Exploring Operation: 5+29=34, Resulting Numbers: [48, 48, 34] Generated Node #0,2: 96:[48, 48, 34] Operation: 5+29=34 Exploring Operation: 48-29=19, Resulting Numbers: [5, 48, 19] Generated Node #0,3: 96:[5, 48, 19] Operation: 48-29=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[48, 48, 24], Operations: ['29-5=24'] Exploring Operation: 48+48=96, Resulting Numbers: [24, 96] Generated Node #0,1,0: 96:[24, 96] Operation: 48+48=96 Exploring Operation: 48-24=24, Resulting Numbers: [48, 24] Generated Node #0,1,1: 96:[48, 24] Operation: 48-24=24 Exploring Operation: 48/24=2, Resulting Numbers: [48, 2] Generated Node #0,1,2: 96:[48, 2] Operation: 48/24=2 Exploring Operation: 48-24=24, Resulting Numbers: [48, 24] Generated Node #0,1,3: 96:[48, 24] Operation: 48-24=24 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[24, 96], Operations: ['29-5=24', '48+48=96'] Exploring Operation: 96-24=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 24*96=2304, Resulting Numbers: [2304] 2304,96 unequal: No Solution Exploring Operation: 24+96=120, Resulting Numbers: [120] 120,96 unequal: No Solution Exploring Operation: 96/24=4, Resulting Numbers: [4] 4,96 unequal: No Solution No 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: 96:[48, 24], Operations: ['29-5=24', '48-24=24'] Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 48*24=1152, Resulting Numbers: [1152] 1152,96 unequal: No Solution Exploring Operation: 48+24=72, Resulting Numbers: [72] 72,96 unequal: No Solution No 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: 96:[48, 2], Operations: ['29-5=24', '48/24=2'] Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[48, 5, 29, 48], Operations: [] Exploring Operation: 29-5=24, Resulting Numbers: [48, 48, 24] Generated Node #0,1: 96:[48, 48, 24] Operation: 29-5=24 Moving to Node #0,1 Current State: 96:[48, 48, 24], Operations: ['29-5=24'] Exploring Operation: 48/24=2, Resulting Numbers: [48, 2] Generated Node #0,1,2: 96:[48, 2] Operation: 48/24=2 Moving to Node #0,1,2 Current State: 96:[48, 2], Operations: ['29-5=24', '48/24=2'] Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 97, 69, 82, 18 ]
66
[ "97+69=166", "82+18=100", "166-100=66" ]
Current State: 66:[97, 69, 82, 18], Operations: [] Exploring Operation: 97+69=166, Resulting Numbers: [82, 18, 166] Generated Node #2: [82, 18, 166] from Operation: 97+69=166 Current State: 66:[82, 18, 166], Operations: ['97+69=166'] Exploring Operation: 82+18=100, Resulting Numbers: [166, 100] Generated Node #3: [166, 100] from Operation: 82+18=100 Current State: 66:[166, 100], Operations: ['97+69=166', '82+18=100'] Exploring Operation: 166-100=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[97, 69, 82, 18], Operations: [] Exploring Operation: 97-82=15, Resulting Numbers: [69, 18, 15] Generated Node #0,0: 66:[69, 18, 15] Operation: 97-82=15 Moving to Node #0,0 Current State: 66:[69, 18, 15], Operations: ['97-82=15'] Exploring Operation: 18+15=33, Resulting Numbers: [69, 33] Generated Node #0,0,0: 66:[69, 33] Operation: 18+15=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[69, 33], Operations: ['97-82=15', '18+15=33'] Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 26, 41, 66, 71 ]
10
[ "41-26=15", "71-66=5", "15-5=10" ]
Current State: 10:[26, 41, 66, 71], Operations: [] Exploring Operation: 41-26=15, Resulting Numbers: [66, 71, 15] Generated Node #2: [66, 71, 15] from Operation: 41-26=15 Current State: 10:[66, 71, 15], Operations: ['41-26=15'] Exploring Operation: 71-66=5, Resulting Numbers: [15, 5] Generated Node #3: [15, 5] from Operation: 71-66=5 Current State: 10:[15, 5], Operations: ['41-26=15', '71-66=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[26, 41, 66, 71], Operations: [] Exploring Operation: 66-41=25, Resulting Numbers: [26, 71, 25] Generated Node #0,0: 10:[26, 71, 25] Operation: 66-41=25 Exploring Operation: 71-66=5, Resulting Numbers: [26, 41, 5] Generated Node #0,1: 10:[26, 41, 5] Operation: 71-66=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[26, 41, 5], Operations: ['71-66=5'] Exploring Operation: 41-26=15, Resulting Numbers: [5, 15] Generated Node #0,1,0: 10:[5, 15] Operation: 41-26=15 Exploring Operation: 26-5=21, Resulting Numbers: [41, 21] Generated Node #0,1,1: 10:[41, 21] Operation: 26-5=21 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 10:[5, 15], Operations: ['71-66=5', '41-26=15'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[26, 41, 66, 71], Operations: [] Exploring Operation: 71-66=5, Resulting Numbers: [26, 41, 5] Generated Node #0,1: 10:[26, 41, 5] Operation: 71-66=5 Moving to Node #0,1 Current State: 10:[26, 41, 5], Operations: ['71-66=5'] Exploring Operation: 41-26=15, Resulting Numbers: [5, 15] Generated Node #0,1,0: 10:[5, 15] Operation: 41-26=15 Moving to Node #0,1,0 Current State: 10:[5, 15], Operations: ['71-66=5', '41-26=15'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 94, 5, 8, 33 ]
74
[ "94+5=99", "33-8=25", "99-25=74" ]
Current State: 74:[94, 5, 8, 33], Operations: [] Exploring Operation: 94+5=99, Resulting Numbers: [8, 33, 99] Generated Node #2: [8, 33, 99] from Operation: 94+5=99 Current State: 74:[8, 33, 99], Operations: ['94+5=99'] Exploring Operation: 33-8=25, Resulting Numbers: [99, 25] Generated Node #3: [99, 25] from Operation: 33-8=25 Current State: 74:[99, 25], Operations: ['94+5=99', '33-8=25'] Exploring Operation: 99-25=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[94, 5, 8, 33], Operations: [] Exploring Operation: 94-8=86, Resulting Numbers: [5, 33, 86] Generated Node #0,0: 74:[5, 33, 86] Operation: 94-8=86 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[5, 33, 86], Operations: ['94-8=86'] Exploring Operation: 86-5=81, Resulting Numbers: [33, 81] Generated Node #0,0,0: 74:[33, 81] Operation: 86-5=81 Moving to Node #0,0,0 Current State: 74:[33, 81], Operations: ['94-8=86', '86-5=81'] Exploring Operation: 81-33=48, Resulting Numbers: [48] 48,74 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
[ 67, 19, 70, 82 ]
36
[ "67-19=48", "82-70=12", "48-12=36" ]
Current State: 36:[67, 19, 70, 82], Operations: [] Exploring Operation: 67-19=48, Resulting Numbers: [70, 82, 48] Generated Node #2: [70, 82, 48] from Operation: 67-19=48 Current State: 36:[70, 82, 48], Operations: ['67-19=48'] Exploring Operation: 82-70=12, Resulting Numbers: [48, 12] Generated Node #3: [48, 12] from Operation: 82-70=12 Current State: 36:[48, 12], Operations: ['67-19=48', '82-70=12'] Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[67, 19, 70, 82], Operations: [] Exploring Operation: 82-70=12, Resulting Numbers: [67, 19, 12] Generated Node #0,0: 36:[67, 19, 12] Operation: 82-70=12 Exploring Operation: 82-67=15, Resulting Numbers: [19, 70, 15] Generated Node #0,1: 36:[19, 70, 15] Operation: 82-67=15 Exploring Operation: 67-19=48, Resulting Numbers: [70, 82, 48] Generated Node #0,2: 36:[70, 82, 48] Operation: 67-19=48 Exploring Operation: 70-67=3, Resulting Numbers: [19, 82, 3] Generated Node #0,3: 36:[19, 82, 3] Operation: 70-67=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[67, 19, 12], Operations: ['82-70=12'] Exploring Operation: 19+12=31, Resulting Numbers: [67, 31] Generated Node #0,0,0: 36:[67, 31] Operation: 19+12=31 Exploring Operation: 19-12=7, Resulting Numbers: [67, 7] Generated Node #0,0,1: 36:[67, 7] Operation: 19-12=7 Exploring Operation: 67-19=48, Resulting Numbers: [12, 48] Generated Node #0,0,2: 36:[12, 48] Operation: 67-19=48 Exploring Operation: 67-12=55, Resulting Numbers: [19, 55] Generated Node #0,0,3: 36:[19, 55] Operation: 67-12=55 Moving to Node #0,0,2 Current State: 36:[12, 48], Operations: ['82-70=12', '67-19=48'] Exploring Operation: 12*48=576, Resulting Numbers: [576] 576,36 unequal: No Solution Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,36 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[67, 19, 70, 82], Operations: [] Exploring Operation: 82-70=12, Resulting Numbers: [67, 19, 12] Generated Node #0,0: 36:[67, 19, 12] Operation: 82-70=12 Moving to Node #0,0 Current State: 36:[67, 19, 12], Operations: ['82-70=12'] Exploring Operation: 67-19=48, Resulting Numbers: [12, 48] Generated Node #0,0,2: 36:[12, 48] Operation: 67-19=48 Moving to Node #0,0,2 Current State: 36:[12, 48], Operations: ['82-70=12', '67-19=48'] Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 88, 85, 37, 71 ]
31
[ "88-85=3", "71-37=34", "34-3=31" ]
Current State: 31:[88, 85, 37, 71], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [37, 71, 3] Generated Node #2: [37, 71, 3] from Operation: 88-85=3 Current State: 31:[37, 71, 3], Operations: ['88-85=3'] Exploring Operation: 71-37=34, Resulting Numbers: [3, 34] Generated Node #3: [3, 34] from Operation: 71-37=34 Current State: 31:[3, 34], Operations: ['88-85=3', '71-37=34'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[88, 85, 37, 71], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [37, 71, 3] Generated Node #0,0: 31:[37, 71, 3] Operation: 88-85=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[37, 71, 3], Operations: ['88-85=3'] Exploring Operation: 71-37=34, Resulting Numbers: [3, 34] Generated Node #0,0,0: 31:[3, 34] Operation: 71-37=34 Moving to Node #0,0,0 Current State: 31:[3, 34], Operations: ['88-85=3', '71-37=34'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[88, 85, 37, 71], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [37, 71, 3] Generated Node #0,0: 31:[37, 71, 3] Operation: 88-85=3 Moving to Node #0,0 Current State: 31:[37, 71, 3], Operations: ['88-85=3'] Exploring Operation: 71-37=34, Resulting Numbers: [3, 34] Generated Node #0,0,0: 31:[3, 34] Operation: 71-37=34 Moving to Node #0,0,0 Current State: 31:[3, 34], Operations: ['88-85=3', '71-37=34'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 26, 18, 96, 34 ]
22
[ "26-18=8", "96/8=12", "34-12=22" ]
Current State: 22:[26, 18, 96, 34], Operations: [] Exploring Operation: 26-18=8, Resulting Numbers: [96, 34, 8] Generated Node #2: [96, 34, 8] from Operation: 26-18=8 Current State: 22:[96, 34, 8], Operations: ['26-18=8'] Exploring Operation: 96/8=12, Resulting Numbers: [34, 12] Generated Node #3: [34, 12] from Operation: 96/8=12 Current State: 22:[34, 12], Operations: ['26-18=8', '96/8=12'] Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[26, 18, 96, 34], Operations: [] Exploring Operation: 96-18=78, Resulting Numbers: [26, 34, 78] Generated Node #0,0: 22:[26, 34, 78] Operation: 96-18=78 Exploring Operation: 34-18=16, Resulting Numbers: [26, 96, 16] Generated Node #0,1: 22:[26, 96, 16] Operation: 34-18=16 Exploring Operation: 96-26=70, Resulting Numbers: [18, 34, 70] Generated Node #0,2: 22:[18, 34, 70] Operation: 96-26=70 Exploring Operation: 34-26=8, Resulting Numbers: [18, 96, 8] Generated Node #0,3: 22:[18, 96, 8] Operation: 34-26=8 Exploring Operation: 96-34=62, Resulting Numbers: [26, 18, 62] Generated Node #0,4: 22:[26, 18, 62] Operation: 96-34=62 Moving to Node #0,4 Current State: 22:[26, 18, 62], Operations: ['96-34=62'] Exploring Operation: 62-18=44, Resulting Numbers: [26, 44] Generated Node #0,4,0: 22:[26, 44] Operation: 62-18=44 Exploring Operation: 62-26=36, Resulting Numbers: [18, 36] Generated Node #0,4,1: 22:[18, 36] Operation: 62-26=36 Exploring Operation: 18+62=80, Resulting Numbers: [26, 80] Generated Node #0,4,2: 22:[26, 80] Operation: 18+62=80 Exploring Operation: 26+18=44, Resulting Numbers: [62, 44] Generated Node #0,4,3: 22:[62, 44] Operation: 26+18=44 Exploring Operation: 26-18=8, Resulting Numbers: [62, 8] Generated Node #0,4,4: 22:[62, 8] Operation: 26-18=8 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 22:[18, 36], Operations: ['96-34=62', '62-26=36'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,22 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,22 unequal: No Solution Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,22 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,22 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 #0,4,0 Current State: 22:[26, 44], Operations: ['96-34=62', '62-18=44'] Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,22 unequal: No Solution Exploring Operation: 26*44=1144, Resulting Numbers: [1144] 1144,22 unequal: No Solution Exploring Operation: 26+44=70, Resulting Numbers: [70] 70,22 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 #0,4,4 Current State: 22:[62, 8], Operations: ['96-34=62', '26-18=8'] Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,22 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,22 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,22 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 #0,4,2 Current State: 22:[26, 80], Operations: ['96-34=62', '18+62=80'] Exploring Operation: 80-26=54, Resulting Numbers: [54] 54,22 unequal: No Solution Exploring Operation: 26+80=106, Resulting Numbers: [106] 106,22 unequal: No Solution Exploring Operation: 26*80=2080, Resulting Numbers: [2080] 2080,22 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 #0,4,3 Current State: 22:[62, 44], Operations: ['96-34=62', '26+18=44'] Exploring Operation: 62+44=106, Resulting Numbers: [106] 106,22 unequal: No Solution Exploring Operation: 62*44=2728, Resulting Numbers: [2728] 2728,22 unequal: No Solution Exploring Operation: 62-44=18, Resulting Numbers: [18] 18,22 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: 22:[18, 34, 70], Operations: ['96-26=70'] Exploring Operation: 70-34=36, Resulting Numbers: [18, 36] Generated Node #0,2,0: 22:[18, 36] Operation: 70-34=36 Exploring Operation: 70-18=52, Resulting Numbers: [34, 52] Generated Node #0,2,1: 22:[34, 52] Operation: 70-18=52 Exploring Operation: 34-18=16, Resulting Numbers: [70, 16] Generated Node #0,2,2: 22:[70, 16] Operation: 34-18=16 Exploring Operation: 18+34=52, Resulting Numbers: [70, 52] Generated Node #0,2,3: 22:[70, 52] Operation: 18+34=52 Exploring Operation: 18+70=88, Resulting Numbers: [34, 88] Generated Node #0,2,4: 22:[34, 88] Operation: 18+70=88 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 22:[18, 36], Operations: ['96-26=70', '70-34=36'] Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,22 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,22 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,22 unequal: No Solution Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,22 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 #0,2,1 Current State: 22:[34, 52], Operations: ['96-26=70', '70-18=52'] Exploring Operation: 34+52=86, Resulting Numbers: [86] 86,22 unequal: No Solution Exploring Operation: 34*52=1768, Resulting Numbers: [1768] 1768,22 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,22 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 #0,2,2 Current State: 22:[70, 16], Operations: ['96-26=70', '34-18=16'] Exploring Operation: 70+16=86, Resulting Numbers: [86] 86,22 unequal: No Solution Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,22 unequal: No Solution Exploring Operation: 70*16=1120, Resulting Numbers: [1120] 1120,22 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 #0,2,3 Current State: 22:[70, 52], Operations: ['96-26=70', '18+34=52'] Exploring Operation: 70*52=3640, Resulting Numbers: [3640] 3640,22 unequal: No Solution Exploring Operation: 70+52=122, Resulting Numbers: [122] 122,22 unequal: No Solution Exploring Operation: 70-52=18, Resulting Numbers: [18] 18,22 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 #0,2,4 Current State: 22:[34, 88], Operations: ['96-26=70', '18+70=88'] Exploring Operation: 88-34=54, Resulting Numbers: [54] 54,22 unequal: No Solution Exploring Operation: 34*88=2992, Resulting Numbers: [2992] 2992,22 unequal: No Solution Exploring Operation: 34+88=122, Resulting Numbers: [122] 122,22 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: 22:[26, 34, 78], Operations: ['96-18=78'] Exploring Operation: 78-34=44, Resulting Numbers: [26, 44] Generated Node #0,0,0: 22:[26, 44] Operation: 78-34=44 Exploring Operation: 34-26=8, Resulting Numbers: [78, 8] Generated Node #0,0,1: 22:[78, 8] Operation: 34-26=8 Exploring Operation: 78-26=52, Resulting Numbers: [34, 52] Generated Node #0,0,2: 22:[34, 52] Operation: 78-26=52 Exploring Operation: 78/26=3, Resulting Numbers: [34, 3] Generated Node #0,0,3: 22:[34, 3] Operation: 78/26=3 Exploring Operation: 26+34=60, Resulting Numbers: [78, 60] Generated Node #0,0,4: 22:[78, 60] Operation: 26+34=60 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 22:[34, 3], Operations: ['96-18=78', '78/26=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,22 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[26, 44], Operations: ['96-18=78', '78-34=44'] Exploring Operation: 26+44=70, Resulting Numbers: [70] 70,22 unequal: No Solution Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,22 unequal: No Solution Exploring Operation: 26*44=1144, Resulting Numbers: [1144] 1144,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 22:[34, 52], Operations: ['96-18=78', '78-26=52'] Exploring Operation: 34+52=86, Resulting Numbers: [86] 86,22 unequal: No Solution Exploring Operation: 34*52=1768, Resulting Numbers: [1768] 1768,22 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[78, 8], Operations: ['96-18=78', '34-26=8'] Exploring Operation: 78*8=624, Resulting Numbers: [624] 624,22 unequal: No Solution Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,22 unequal: No Solution Exploring Operation: 78+8=86, Resulting Numbers: [86] 86,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 22:[78, 60], Operations: ['96-18=78', '26+34=60'] Exploring Operation: 78+60=138, Resulting Numbers: [138] 138,22 unequal: No Solution Exploring Operation: 78*60=4680, Resulting Numbers: [4680] 4680,22 unequal: No Solution Exploring Operation: 78-60=18, Resulting Numbers: [18] 18,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 22:[18, 96, 8], Operations: ['34-26=8'] Exploring Operation: 18-8=10, Resulting Numbers: [96, 10] Generated Node #0,3,0: 22:[96, 10] Operation: 18-8=10 Exploring Operation: 18+8=26, Resulting Numbers: [96, 26] Generated Node #0,3,1: 22:[96, 26] Operation: 18+8=26 Exploring Operation: 96-18=78, Resulting Numbers: [8, 78] Generated Node #0,3,2: 22:[8, 78] Operation: 96-18=78 Exploring Operation: 96-8=88, Resulting Numbers: [18, 88] Generated Node #0,3,3: 22:[18, 88] Operation: 96-8=88 Exploring Operation: 96/8=12, Resulting Numbers: [18, 12] Generated Node #0,3,4: 22:[18, 12] Operation: 96/8=12 Moving to Node #0,1 Current State: 22:[26, 96, 16], Operations: ['34-18=16'] Exploring Operation: 26+16=42, Resulting Numbers: [96, 42] Generated Node #0,1,0: 22:[96, 42] Operation: 26+16=42 Exploring Operation: 96-16=80, Resulting Numbers: [26, 80] Generated Node #0,1,1: 22:[26, 80] Operation: 96-16=80 Exploring Operation: 26-16=10, Resulting Numbers: [96, 10] Generated Node #0,1,2: 22:[96, 10] Operation: 26-16=10 Exploring Operation: 96-26=70, Resulting Numbers: [16, 70] Generated Node #0,1,3: 22:[16, 70] Operation: 96-26=70 Exploring Operation: 96/16=6, Resulting Numbers: [26, 6] Generated Node #0,1,4: 22:[26, 6] Operation: 96/16=6 Moving to Node #0,3,4 Current State: 22:[18, 12], Operations: ['34-26=8', '96/8=12'] Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,22 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,22 unequal: No Solution Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,22 unequal: No Solution Moving to Node #0,1,4 Current State: 22:[26, 6], Operations: ['34-18=16', '96/16=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,22 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,22 unequal: No Solution Moving to Node #0,1,3 Current State: 22:[16, 70], Operations: ['34-18=16', '96-26=70'] Exploring Operation: 16*70=1120, Resulting Numbers: [1120] 1120,22 unequal: No Solution Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,22 unequal: No Solution Exploring Operation: 16+70=86, Resulting Numbers: [86] 86,22 unequal: No Solution Moving to Node #0,3,2 Current State: 22:[8, 78], Operations: ['34-26=8', '96-18=78'] Exploring Operation: 8+78=86, Resulting Numbers: [86] 86,22 unequal: No Solution Exploring Operation: 8*78=624, Resulting Numbers: [624] 624,22 unequal: No Solution Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[26, 80], Operations: ['34-18=16', '96-16=80'] Exploring Operation: 26*80=2080, Resulting Numbers: [2080] 2080,22 unequal: No Solution Exploring Operation: 26+80=106, Resulting Numbers: [106] 106,22 unequal: No Solution Exploring Operation: 80-26=54, Resulting Numbers: [54] 54,22 unequal: No Solution Moving to Node #0,3,3 Current State: 22:[18, 88], Operations: ['34-26=8', '96-8=88'] Exploring Operation: 88-18=70, Resulting Numbers: [70] 70,22 unequal: No Solution Exploring Operation: 18+88=106, Resulting Numbers: [106] 106,22 unequal: No Solution Exploring Operation: 18*88=1584, Resulting Numbers: [1584] 1584,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[96, 10], Operations: ['34-18=16', '26-16=10'] Exploring Operation: 96+10=106, Resulting Numbers: [106] 106,22 unequal: No Solution Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,22 unequal: No Solution Exploring Operation: 96*10=960, Resulting Numbers: [960] 960,22 unequal: No Solution Moving to Node #0,3,0 Current State: 22:[96, 10], Operations: ['34-26=8', '18-8=10'] Exploring Operation: 96*10=960, Resulting Numbers: [960] 960,22 unequal: No Solution Exploring Operation: 96+10=106, Resulting Numbers: [106] 106,22 unequal: No Solution Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,22 unequal: No Solution Moving to Node #0,3,1 Current State: 22:[96, 26], Operations: ['34-26=8', '18+8=26'] Exploring Operation: 96+26=122, Resulting Numbers: [122] 122,22 unequal: No Solution Exploring Operation: 96*26=2496, Resulting Numbers: [2496] 2496,22 unequal: No Solution Exploring Operation: 96-26=70, Resulting Numbers: [70] 70,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[96, 42], Operations: ['34-18=16', '26+16=42'] Exploring Operation: 96*42=4032, Resulting Numbers: [4032] 4032,22 unequal: No Solution Exploring Operation: 96+42=138, Resulting Numbers: [138] 138,22 unequal: No Solution Exploring Operation: 96-42=54, Resulting Numbers: [54] 54,22 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 31, 29, 61, 79 ]
80
[ "31+29=60", "61+79=140", "140-60=80" ]
Current State: 80:[31, 29, 61, 79], Operations: [] Exploring Operation: 31+29=60, Resulting Numbers: [61, 79, 60] Generated Node #2: [61, 79, 60] from Operation: 31+29=60 Current State: 80:[61, 79, 60], Operations: ['31+29=60'] Exploring Operation: 61+79=140, Resulting Numbers: [60, 140] Generated Node #3: [60, 140] from Operation: 61+79=140 Current State: 80:[60, 140], Operations: ['31+29=60', '61+79=140'] Exploring Operation: 140-60=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[31, 29, 61, 79], Operations: [] Exploring Operation: 61-31=30, Resulting Numbers: [29, 79, 30] Generated Node #0,0: 80:[29, 79, 30] Operation: 61-31=30 Exploring Operation: 31-29=2, Resulting Numbers: [61, 79, 2] Generated Node #0,1: 80:[61, 79, 2] Operation: 31-29=2 Exploring Operation: 61-29=32, Resulting Numbers: [31, 79, 32] Generated Node #0,2: 80:[31, 79, 32] Operation: 61-29=32 Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[31, 79, 32], Operations: ['61-29=32'] Exploring Operation: 32-31=1, Resulting Numbers: [79, 1] Generated Node #0,2,0: 80:[79, 1] Operation: 32-31=1 Exploring Operation: 79-32=47, Resulting Numbers: [31, 47] Generated Node #0,2,1: 80:[31, 47] Operation: 79-32=47 Exploring Operation: 79-31=48, Resulting Numbers: [32, 48] Generated Node #0,2,2: 80:[32, 48] Operation: 79-31=48 Moving to Node #0,2,0 Current State: 80:[79, 1], Operations: ['61-29=32', '32-31=1'] Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,80 unequal: No Solution Exploring Operation: 79*1=79, Resulting Numbers: [79] 79,80 unequal: No Solution Exploring Operation: 79+1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[31, 29, 61, 79], Operations: [] Exploring Operation: 61-29=32, Resulting Numbers: [31, 79, 32] Generated Node #0,2: 80:[31, 79, 32] Operation: 61-29=32 Moving to Node #0,2 Current State: 80:[31, 79, 32], Operations: ['61-29=32'] Exploring Operation: 32-31=1, Resulting Numbers: [79, 1] Generated Node #0,2,0: 80:[79, 1] Operation: 32-31=1 Moving to Node #0,2,0 Current State: 80:[79, 1], Operations: ['61-29=32', '32-31=1'] Exploring Operation: 79+1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 66, 3, 76, 54 ]
80
[ "66-54=12", "12/3=4", "76+4=80" ]
Current State: 80:[66, 3, 76, 54], Operations: [] Exploring Operation: 66-54=12, Resulting Numbers: [3, 76, 12] Generated Node #2: [3, 76, 12] from Operation: 66-54=12 Current State: 80:[3, 76, 12], Operations: ['66-54=12'] Exploring Operation: 12/3=4, Resulting Numbers: [76, 4] Generated Node #3: [76, 4] from Operation: 12/3=4 Current State: 80:[76, 4], Operations: ['66-54=12', '12/3=4'] Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[66, 3, 76, 54], Operations: [] Exploring Operation: 76-54=22, Resulting Numbers: [66, 3, 22] Generated Node #0,0: 80:[66, 3, 22] Operation: 76-54=22 Exploring Operation: 66-54=12, Resulting Numbers: [3, 76, 12] Generated Node #0,1: 80:[3, 76, 12] Operation: 66-54=12 Exploring Operation: 76-66=10, Resulting Numbers: [3, 54, 10] Generated Node #0,2: 80:[3, 54, 10] Operation: 76-66=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[3, 76, 12], Operations: ['66-54=12'] Exploring Operation: 12/3=4, Resulting Numbers: [76, 4] Generated Node #0,1,0: 80:[76, 4] Operation: 12/3=4 Exploring Operation: 3+76=79, Resulting Numbers: [12, 79] Generated Node #0,1,1: 80:[12, 79] Operation: 3+76=79 Exploring Operation: 3+12=15, Resulting Numbers: [76, 15] Generated Node #0,1,2: 80:[76, 15] Operation: 3+12=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 80:[12, 79], Operations: ['66-54=12', '3+76=79'] Exploring Operation: 12*79=948, Resulting Numbers: [948] 948,80 unequal: No Solution Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,80 unequal: No Solution Exploring Operation: 12+79=91, Resulting Numbers: [91] 91,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[76, 4], Operations: ['66-54=12', '12/3=4'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,80 unequal: No Solution Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[66, 3, 76, 54], Operations: [] Exploring Operation: 66-54=12, Resulting Numbers: [3, 76, 12] Generated Node #0,1: 80:[3, 76, 12] Operation: 66-54=12 Moving to Node #0,1 Current State: 80:[3, 76, 12], Operations: ['66-54=12'] Exploring Operation: 12/3=4, Resulting Numbers: [76, 4] Generated Node #0,1,0: 80:[76, 4] Operation: 12/3=4 Moving to Node #0,1,0 Current State: 80:[76, 4], Operations: ['66-54=12', '12/3=4'] Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 18, 6, 8, 78 ]
94
[ "18+6=24", "78-8=70", "24+70=94" ]
Current State: 94:[18, 6, 8, 78], Operations: [] Exploring Operation: 18+6=24, Resulting Numbers: [8, 78, 24] Generated Node #2: [8, 78, 24] from Operation: 18+6=24 Current State: 94:[8, 78, 24], Operations: ['18+6=24'] Exploring Operation: 78-8=70, Resulting Numbers: [24, 70] Generated Node #3: [24, 70] from Operation: 78-8=70 Current State: 94:[24, 70], Operations: ['18+6=24', '78-8=70'] Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[18, 6, 8, 78], Operations: [] Exploring Operation: 78-18=60, Resulting Numbers: [6, 8, 60] Generated Node #0,0: 94:[6, 8, 60] Operation: 78-18=60 Exploring Operation: 18+78=96, Resulting Numbers: [6, 8, 96] Generated Node #0,1: 94:[6, 8, 96] Operation: 18+78=96 Exploring Operation: 18/6=3, Resulting Numbers: [8, 78, 3] Generated Node #0,2: 94:[8, 78, 3] Operation: 18/6=3 Moving to Node #0,1 Current State: 94:[6, 8, 96], Operations: ['18+78=96'] Exploring Operation: 96-6=90, Resulting Numbers: [8, 90] Generated Node #0,1,0: 94:[8, 90] Operation: 96-6=90 Exploring Operation: 6*8=48, Resulting Numbers: [96, 48] Generated Node #0,1,1: 94:[96, 48] Operation: 6*8=48 Exploring Operation: 8-6=2, Resulting Numbers: [96, 2] Generated Node #0,1,2: 94:[96, 2] Operation: 8-6=2 Moving to Node #0,0 Current State: 94:[6, 8, 60], Operations: ['78-18=60'] Exploring Operation: 60-6=54, Resulting Numbers: [8, 54] Generated Node #0,0,0: 94:[8, 54] Operation: 60-6=54 Exploring Operation: 60-8=52, Resulting Numbers: [6, 52] Generated Node #0,0,1: 94:[6, 52] Operation: 60-8=52 Exploring Operation: 8-6=2, Resulting Numbers: [60, 2] Generated Node #0,0,2: 94:[60, 2] Operation: 8-6=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[6, 52], Operations: ['78-18=60', '60-8=52'] Exploring Operation: 6+52=58, Resulting Numbers: [58] 58,94 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,94 unequal: No Solution Exploring Operation: 6*52=312, Resulting Numbers: [312] 312,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[8, 54], Operations: ['78-18=60', '60-6=54'] Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,94 unequal: No Solution Exploring Operation: 8*54=432, Resulting Numbers: [432] 432,94 unequal: No Solution Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 94:[60, 2], Operations: ['78-18=60', '8-6=2'] Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,94 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,94 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,94 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: 94:[8, 78, 3], Operations: ['18/6=3'] Exploring Operation: 8-3=5, Resulting Numbers: [78, 5] Generated Node #0,2,0: 94:[78, 5] Operation: 8-3=5 Exploring Operation: 8+78=86, Resulting Numbers: [3, 86] Generated Node #0,2,1: 94:[3, 86] Operation: 8+78=86 Exploring Operation: 78+3=81, Resulting Numbers: [8, 81] Generated Node #0,2,2: 94:[8, 81] Operation: 78+3=81 Moving to Node #0,1,2 Current State: 94:[96, 2], Operations: ['18+78=96', '8-6=2'] Exploring Operation: 96/2=48, Resulting Numbers: [48] 48,94 unequal: No Solution Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,94 unequal: No Solution Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[18, 6, 8, 78], Operations: [] Exploring Operation: 18+78=96, Resulting Numbers: [6, 8, 96] Generated Node #0,1: 94:[6, 8, 96] Operation: 18+78=96 Moving to Node #0,1 Current State: 94:[6, 8, 96], Operations: ['18+78=96'] Exploring Operation: 8-6=2, Resulting Numbers: [96, 2] Generated Node #0,1,2: 94:[96, 2] Operation: 8-6=2 Moving to Node #0,1,2 Current State: 94:[96, 2], Operations: ['18+78=96', '8-6=2'] Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 4, 28, 97, 6 ]
45
[ "4*6=24", "97-28=69", "69-24=45" ]
Current State: 45:[4, 28, 97, 6], Operations: [] Exploring Operation: 4*6=24, Resulting Numbers: [28, 97, 24] Generated Node #2: [28, 97, 24] from Operation: 4*6=24 Current State: 45:[28, 97, 24], Operations: ['4*6=24'] Exploring Operation: 97-28=69, Resulting Numbers: [24, 69] Generated Node #3: [24, 69] from Operation: 97-28=69 Current State: 45:[24, 69], Operations: ['4*6=24', '97-28=69'] Exploring Operation: 69-24=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[4, 28, 97, 6], Operations: [] Exploring Operation: 28/4=7, Resulting Numbers: [97, 6, 7] Generated Node #0,0: 45:[97, 6, 7] Operation: 28/4=7 Exploring Operation: 97-28=69, Resulting Numbers: [4, 6, 69] Generated Node #0,1: 45:[4, 6, 69] Operation: 97-28=69 Exploring Operation: 28-6=22, Resulting Numbers: [4, 97, 22] Generated Node #0,2: 45:[4, 97, 22] Operation: 28-6=22 Exploring Operation: 97-6=91, Resulting Numbers: [4, 28, 91] Generated Node #0,3: 45:[4, 28, 91] Operation: 97-6=91 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[4, 6, 69], Operations: ['97-28=69'] Exploring Operation: 6-4=2, Resulting Numbers: [69, 2] Generated Node #0,1,0: 45:[69, 2] Operation: 6-4=2 Exploring Operation: 69-4=65, Resulting Numbers: [6, 65] Generated Node #0,1,1: 45:[6, 65] Operation: 69-4=65 Exploring Operation: 4+6=10, Resulting Numbers: [69, 10] Generated Node #0,1,2: 45:[69, 10] Operation: 4+6=10 Exploring Operation: 69-6=63, Resulting Numbers: [4, 63] Generated Node #0,1,3: 45:[4, 63] Operation: 69-6=63 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 45:[4, 63], Operations: ['97-28=69', '69-6=63'] Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,45 unequal: No Solution Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 4*63=252, Resulting Numbers: [252] 252,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[6, 65], Operations: ['97-28=69', '69-4=65'] Exploring Operation: 6+65=71, Resulting Numbers: [71] 71,45 unequal: No Solution Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 6*65=390, Resulting Numbers: [390] 390,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[69, 2], Operations: ['97-28=69', '6-4=2'] Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,45 unequal: No Solution Exploring Operation: 69*2=138, Resulting Numbers: [138] 138,45 unequal: No Solution Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[69, 10], Operations: ['97-28=69', '4+6=10'] Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,45 unequal: No Solution Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,45 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[97, 6, 7], Operations: ['28/4=7'] Exploring Operation: 97-6=91, Resulting Numbers: [7, 91] Generated Node #0,0,0: 45:[7, 91] Operation: 97-6=91 Exploring Operation: 6+7=13, Resulting Numbers: [97, 13] Generated Node #0,0,1: 45:[97, 13] Operation: 6+7=13 Exploring Operation: 97-7=90, Resulting Numbers: [6, 90] Generated Node #0,0,2: 45:[6, 90] Operation: 97-7=90 Exploring Operation: 7-6=1, Resulting Numbers: [97, 1] Generated Node #0,0,3: 45:[97, 1] Operation: 7-6=1 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 45:[6, 90], Operations: ['28/4=7', '97-7=90'] Exploring Operation: 6*90=540, Resulting Numbers: [540] 540,45 unequal: No Solution Exploring Operation: 6+90=96, Resulting Numbers: [96] 96,45 unequal: No Solution Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[7, 91], Operations: ['28/4=7', '97-6=91'] Exploring Operation: 7*91=637, Resulting Numbers: [637] 637,45 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,45 unequal: No Solution Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 7+91=98, Resulting Numbers: [98] 98,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[97, 13], Operations: ['28/4=7', '6+7=13'] Exploring Operation: 97-13=84, Resulting Numbers: [84] 84,45 unequal: No Solution Exploring Operation: 97*13=1261, Resulting Numbers: [1261] 1261,45 unequal: No Solution Exploring Operation: 97+13=110, Resulting Numbers: [110] 110,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 45:[97, 1], Operations: ['28/4=7', '7-6=1'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,45 unequal: No Solution Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,45 unequal: No Solution Exploring Operation: 97+1=98, Resulting Numbers: [98] 98,45 unequal: No Solution Exploring Operation: 97/1=97, Resulting Numbers: [97] 97,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[4, 97, 22], Operations: ['28-6=22'] Exploring Operation: 97-4=93, Resulting Numbers: [22, 93] Generated Node #0,2,0: 45:[22, 93] Operation: 97-4=93 Exploring Operation: 97-22=75, Resulting Numbers: [4, 75] Generated Node #0,2,1: 45:[4, 75] Operation: 97-22=75 Exploring Operation: 4+97=101, Resulting Numbers: [22, 101] Generated Node #0,2,2: 45:[22, 101] Operation: 4+97=101 Exploring Operation: 22-4=18, Resulting Numbers: [97, 18] Generated Node #0,2,3: 45:[97, 18] Operation: 22-4=18 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 45:[4, 75], Operations: ['28-6=22', '97-22=75'] Exploring Operation: 4+75=79, Resulting Numbers: [79] 79,45 unequal: No Solution Exploring Operation: 4*75=300, Resulting Numbers: [300] 300,45 unequal: No Solution Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 45:[22, 93], Operations: ['28-6=22', '97-4=93'] Exploring Operation: 22*93=2046, Resulting Numbers: [2046] 2046,45 unequal: No Solution Exploring Operation: 22+93=115, Resulting Numbers: [115] 115,45 unequal: No Solution Exploring Operation: 93-22=71, Resulting Numbers: [71] 71,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 45:[97, 18], Operations: ['28-6=22', '22-4=18'] Exploring Operation: 97-18=79, Resulting Numbers: [79] 79,45 unequal: No Solution Exploring Operation: 97+18=115, Resulting Numbers: [115] 115,45 unequal: No Solution Exploring Operation: 97*18=1746, Resulting Numbers: [1746] 1746,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 45:[22, 101], Operations: ['28-6=22', '4+97=101'] Exploring Operation: 101-22=79, Resulting Numbers: [79] 79,45 unequal: No Solution Exploring Operation: 22*101=2222, Resulting Numbers: [2222] 2222,45 unequal: No Solution Exploring Operation: 22+101=123, Resulting Numbers: [123] 123,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[4, 28, 91], Operations: ['97-6=91'] Exploring Operation: 91-4=87, Resulting Numbers: [28, 87] Generated Node #0,3,0: 45:[28, 87] Operation: 91-4=87 Exploring Operation: 28-4=24, Resulting Numbers: [91, 24] Generated Node #0,3,1: 45:[91, 24] Operation: 28-4=24 Exploring Operation: 91-28=63, Resulting Numbers: [4, 63] Generated Node #0,3,2: 45:[4, 63] Operation: 91-28=63 Exploring Operation: 28/4=7, Resulting Numbers: [91, 7] Generated Node #0,3,3: 45:[91, 7] Operation: 28/4=7 Moving to Node #0,3,2 Current State: 45:[4, 63], Operations: ['97-6=91', '91-28=63'] Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 4*63=252, Resulting Numbers: [252] 252,45 unequal: No Solution Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,45 unequal: No Solution Moving to Node #0,3,3 Current State: 45:[91, 7], Operations: ['97-6=91', '28/4=7'] Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,45 unequal: No Solution Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,45 unequal: No Solution Exploring Operation: 91*7=637, Resulting Numbers: [637] 637,45 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,45 unequal: No Solution Moving to Node #0,3,1 Current State: 45:[91, 24], Operations: ['97-6=91', '28-4=24'] Exploring Operation: 91-24=67, Resulting Numbers: [67] 67,45 unequal: No Solution Exploring Operation: 91*24=2184, Resulting Numbers: [2184] 2184,45 unequal: No Solution Exploring Operation: 91+24=115, Resulting Numbers: [115] 115,45 unequal: No Solution Moving to Node #0,3,0 Current State: 45:[28, 87], Operations: ['97-6=91', '91-4=87'] Exploring Operation: 28+87=115, Resulting Numbers: [115] 115,45 unequal: No Solution Exploring Operation: 87-28=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 28*87=2436, Resulting Numbers: [2436] 2436,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 76, 20, 39, 2 ]
20
[ "76/2=38", "39-38=1", "20*1=20" ]
Current State: 20:[76, 20, 39, 2], Operations: [] Exploring Operation: 76/2=38, Resulting Numbers: [20, 39, 38] Generated Node #2: [20, 39, 38] from Operation: 76/2=38 Current State: 20:[20, 39, 38], Operations: ['76/2=38'] Exploring Operation: 39-38=1, Resulting Numbers: [20, 1] Generated Node #3: [20, 1] from Operation: 39-38=1 Current State: 20:[20, 1], Operations: ['76/2=38', '39-38=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[76, 20, 39, 2], Operations: [] Exploring Operation: 76/2=38, Resulting Numbers: [20, 39, 38] Generated Node #0,0: 20:[20, 39, 38] Operation: 76/2=38 Exploring Operation: 76-39=37, Resulting Numbers: [20, 2, 37] Generated Node #0,1: 20:[20, 2, 37] Operation: 76-39=37 Moving to Node #0,1 Current State: 20:[20, 2, 37], Operations: ['76-39=37'] Exploring Operation: 37-20=17, Resulting Numbers: [2, 17] Generated Node #0,1,0: 20:[2, 17] Operation: 37-20=17 Exploring Operation: 37-2=35, Resulting Numbers: [20, 35] Generated Node #0,1,1: 20:[20, 35] Operation: 37-2=35 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[2, 17], Operations: ['76-39=37', '37-20=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,20 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:[20, 35], Operations: ['76-39=37', '37-2=35'] Exploring Operation: 20+35=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,20 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: 20:[20, 39, 38], Operations: ['76/2=38'] Exploring Operation: 39-20=19, Resulting Numbers: [38, 19] Generated Node #0,0,0: 20:[38, 19] Operation: 39-20=19 Exploring Operation: 39-38=1, Resulting Numbers: [20, 1] Generated Node #0,0,1: 20:[20, 1] Operation: 39-38=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[20, 1], Operations: ['76/2=38', '39-38=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[76, 20, 39, 2], Operations: [] Exploring Operation: 76/2=38, Resulting Numbers: [20, 39, 38] Generated Node #0,0: 20:[20, 39, 38] Operation: 76/2=38 Moving to Node #0,0 Current State: 20:[20, 39, 38], Operations: ['76/2=38'] Exploring Operation: 39-38=1, Resulting Numbers: [20, 1] Generated Node #0,0,1: 20:[20, 1] Operation: 39-38=1 Moving to Node #0,0,1 Current State: 20:[20, 1], Operations: ['76/2=38', '39-38=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 70, 5, 4, 53 ]
17
[ "70-53=17", "5-4=1", "17*1=17" ]
Current State: 17:[70, 5, 4, 53], Operations: [] Exploring Operation: 70-53=17, Resulting Numbers: [5, 4, 17] Generated Node #2: [5, 4, 17] from Operation: 70-53=17 Current State: 17:[5, 4, 17], Operations: ['70-53=17'] Exploring Operation: 5-4=1, Resulting Numbers: [17, 1] Generated Node #3: [17, 1] from Operation: 5-4=1 Current State: 17:[17, 1], Operations: ['70-53=17', '5-4=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[70, 5, 4, 53], Operations: [] Exploring Operation: 70-4=66, Resulting Numbers: [5, 53, 66] Generated Node #0,0: 17:[5, 53, 66] Operation: 70-4=66 Exploring Operation: 5*4=20, Resulting Numbers: [70, 53, 20] Generated Node #0,1: 17:[70, 53, 20] Operation: 5*4=20 Exploring Operation: 70-5=65, Resulting Numbers: [4, 53, 65] Generated Node #0,2: 17:[4, 53, 65] Operation: 70-5=65 Exploring Operation: 70/5=14, Resulting Numbers: [4, 53, 14] Generated Node #0,3: 17:[4, 53, 14] Operation: 70/5=14 Exploring Operation: 70-53=17, Resulting Numbers: [5, 4, 17] Generated Node #0,4: 17:[5, 4, 17] Operation: 70-53=17 Moving to Node #0,4 Current State: 17:[5, 4, 17], Operations: ['70-53=17'] Exploring Operation: 4+17=21, Resulting Numbers: [5, 21] Generated Node #0,4,0: 17:[5, 21] Operation: 4+17=21 Exploring Operation: 5+4=9, Resulting Numbers: [17, 9] Generated Node #0,4,1: 17:[17, 9] Operation: 5+4=9 Exploring Operation: 5*4=20, Resulting Numbers: [17, 20] Generated Node #0,4,2: 17:[17, 20] Operation: 5*4=20 Exploring Operation: 5-4=1, Resulting Numbers: [17, 1] Generated Node #0,4,3: 17:[17, 1] Operation: 5-4=1 Exploring Operation: 17-4=13, Resulting Numbers: [5, 13] Generated Node #0,4,4: 17:[5, 13] Operation: 17-4=13 Moving to Node #0,3 Current State: 17:[4, 53, 14], Operations: ['70/5=14'] Exploring Operation: 14-4=10, Resulting Numbers: [53, 10] Generated Node #0,3,0: 17:[53, 10] Operation: 14-4=10 Exploring Operation: 53-14=39, Resulting Numbers: [4, 39] Generated Node #0,3,1: 17:[4, 39] Operation: 53-14=39 Exploring Operation: 53-4=49, Resulting Numbers: [14, 49] Generated Node #0,3,2: 17:[14, 49] Operation: 53-4=49 Exploring Operation: 4+14=18, Resulting Numbers: [53, 18] Generated Node #0,3,3: 17:[53, 18] Operation: 4+14=18 Exploring Operation: 4+53=57, Resulting Numbers: [14, 57] Generated Node #0,3,4: 17:[14, 57] Operation: 4+53=57 Moving to Node #0,1 Current State: 17:[70, 53, 20], Operations: ['5*4=20'] Exploring Operation: 53-20=33, Resulting Numbers: [70, 33] Generated Node #0,1,0: 17:[70, 33] Operation: 53-20=33 Exploring Operation: 70+20=90, Resulting Numbers: [53, 90] Generated Node #0,1,1: 17:[53, 90] Operation: 70+20=90 Exploring Operation: 70-20=50, Resulting Numbers: [53, 50] Generated Node #0,1,2: 17:[53, 50] Operation: 70-20=50 Exploring Operation: 70-53=17, Resulting Numbers: [20, 17] Generated Node #0,1,3: 17:[20, 17] Operation: 70-53=17 Exploring Operation: 70+53=123, Resulting Numbers: [20, 123] Generated Node #0,1,4: 17:[20, 123] Operation: 70+53=123 Moving to Node #0,0 Current State: 17:[5, 53, 66], Operations: ['70-4=66'] Exploring Operation: 5+53=58, Resulting Numbers: [66, 58] Generated Node #0,0,0: 17:[66, 58] Operation: 5+53=58 Exploring Operation: 53-5=48, Resulting Numbers: [66, 48] Generated Node #0,0,1: 17:[66, 48] Operation: 53-5=48 Exploring Operation: 5+66=71, Resulting Numbers: [53, 71] Generated Node #0,0,2: 17:[53, 71] Operation: 5+66=71 Exploring Operation: 66-5=61, Resulting Numbers: [53, 61] Generated Node #0,0,3: 17:[53, 61] Operation: 66-5=61 Exploring Operation: 66-53=13, Resulting Numbers: [5, 13] Generated Node #0,0,4: 17:[5, 13] Operation: 66-53=13 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 17:[5, 13], Operations: ['70-4=66', '66-53=13'] Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[66, 48], Operations: ['70-4=66', '53-5=48'] Exploring Operation: 66-48=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 66+48=114, Resulting Numbers: [114] 114,17 unequal: No Solution Exploring Operation: 66*48=3168, Resulting Numbers: [3168] 3168,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 17:[53, 61], Operations: ['70-4=66', '66-5=61'] Exploring Operation: 53*61=3233, Resulting Numbers: [3233] 3233,17 unequal: No Solution Exploring Operation: 53+61=114, Resulting Numbers: [114] 114,17 unequal: No Solution Exploring Operation: 61-53=8, Resulting Numbers: [8] 8,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[66, 58], Operations: ['70-4=66', '5+53=58'] Exploring Operation: 66+58=124, Resulting Numbers: [124] 124,17 unequal: No Solution Exploring Operation: 66-58=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 66*58=3828, Resulting Numbers: [3828] 3828,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[53, 71], Operations: ['70-4=66', '5+66=71'] Exploring Operation: 71-53=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 53*71=3763, Resulting Numbers: [3763] 3763,17 unequal: No Solution Exploring Operation: 53+71=124, Resulting Numbers: [124] 124,17 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: 17:[4, 53, 65], Operations: ['70-5=65'] Exploring Operation: 53-4=49, Resulting Numbers: [65, 49] Generated Node #0,2,0: 17:[65, 49] Operation: 53-4=49 Exploring Operation: 4+53=57, Resulting Numbers: [65, 57] Generated Node #0,2,1: 17:[65, 57] Operation: 4+53=57 Exploring Operation: 65-53=12, Resulting Numbers: [4, 12] Generated Node #0,2,2: 17:[4, 12] Operation: 65-53=12 Exploring Operation: 65-4=61, Resulting Numbers: [53, 61] Generated Node #0,2,3: 17:[53, 61] Operation: 65-4=61 Exploring Operation: 4+65=69, Resulting Numbers: [53, 69] Generated Node #0,2,4: 17:[53, 69] Operation: 4+65=69 Moving to Node #0,4,2 Current State: 17:[17, 20], Operations: ['70-53=17', '5*4=20'] Exploring Operation: 17+20=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,17 unequal: No Solution Exploring Operation: 17*20=340, Resulting Numbers: [340] 340,17 unequal: No Solution Moving to Node #0,1,3 Current State: 17:[20, 17], Operations: ['5*4=20', '70-53=17'] Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,17 unequal: No Solution Exploring Operation: 20*17=340, Resulting Numbers: [340] 340,17 unequal: No Solution Moving to Node #0,4,1 Current State: 17:[17, 9], Operations: ['70-53=17', '5+4=9'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,17 unequal: No Solution Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,17 unequal: No Solution Moving to Node #0,4,0 Current State: 17:[5, 21], Operations: ['70-53=17', '4+17=21'] Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,17 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,17 unequal: No Solution Moving to Node #0,4,4 Current State: 17:[5, 13], Operations: ['70-53=17', '17-4=13'] Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,17 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,17 unequal: No Solution Moving to Node #0,4,3 Current State: 17:[17, 1], Operations: ['70-53=17', '5-4=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[70, 5, 4, 53], Operations: [] Exploring Operation: 70-53=17, Resulting Numbers: [5, 4, 17] Generated Node #0,4: 17:[5, 4, 17] Operation: 70-53=17 Moving to Node #0,4 Current State: 17:[5, 4, 17], Operations: ['70-53=17'] Exploring Operation: 5-4=1, Resulting Numbers: [17, 1] Generated Node #0,4,3: 17:[17, 1] Operation: 5-4=1 Moving to Node #0,4,3 Current State: 17:[17, 1], Operations: ['70-53=17', '5-4=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
0.943576
hs_5
sum_heuristic
[ 31, 56, 28, 2 ]
50
[ "31-28=3", "2*3=6", "56-6=50" ]
Current State: 50:[31, 56, 28, 2], Operations: [] Exploring Operation: 31-28=3, Resulting Numbers: [56, 2, 3] Generated Node #2: [56, 2, 3] from Operation: 31-28=3 Current State: 50:[56, 2, 3], Operations: ['31-28=3'] Exploring Operation: 2*3=6, Resulting Numbers: [56, 6] Generated Node #3: [56, 6] from Operation: 2*3=6 Current State: 50:[56, 6], Operations: ['31-28=3', '2*3=6'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[31, 56, 28, 2], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [31, 2, 2] Generated Node #0,0: 50:[31, 2, 2] Operation: 56/28=2 Exploring Operation: 56-28=28, Resulting Numbers: [31, 2, 28] Generated Node #0,1: 50:[31, 2, 28] Operation: 56-28=28 Exploring Operation: 56-31=25, Resulting Numbers: [28, 2, 25] Generated Node #0,2: 50:[28, 2, 25] Operation: 56-31=25 Exploring Operation: 31-28=3, Resulting Numbers: [56, 2, 3] Generated Node #0,3: 50:[56, 2, 3] Operation: 31-28=3 Moving to Node #0,2 Current State: 50:[28, 2, 25], Operations: ['56-31=25'] Exploring Operation: 28+25=53, Resulting Numbers: [2, 53] Generated Node #0,2,0: 50:[2, 53] Operation: 28+25=53 Exploring Operation: 2*25=50, Resulting Numbers: [28, 50] Generated Node #0,2,1: 50:[28, 50] Operation: 2*25=50 Exploring Operation: 28-25=3, Resulting Numbers: [2, 3] Generated Node #0,2,2: 50:[2, 3] Operation: 28-25=3 Exploring Operation: 28-2=26, Resulting Numbers: [25, 26] Generated Node #0,2,3: 50:[25, 26] Operation: 28-2=26 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 50:[2, 3], Operations: ['56-31=25', '28-25=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,50 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:[25, 26], Operations: ['56-31=25', '28-2=26'] Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 25+26=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 25*26=650, Resulting Numbers: [650] 650,50 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:[2, 53], Operations: ['56-31=25', '28+25=53'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,50 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,50 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 #0,2,1 Current State: 50:[28, 50], Operations: ['56-31=25', '2*25=50'] Exploring Operation: 28+50=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 28*50=1400, Resulting Numbers: [1400] 1400,50 unequal: No Solution Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,50 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:[31, 2, 2], Operations: ['56/28=2'] Exploring Operation: 31-2=29, Resulting Numbers: [2, 29] Generated Node #0,0,0: 50:[2, 29] Operation: 31-2=29 Exploring Operation: 2*2=4, Resulting Numbers: [31, 4] Generated Node #0,0,1: 50:[31, 4] Operation: 2*2=4 Exploring Operation: 31-2=29, Resulting Numbers: [2, 29] Generated Node #0,0,2: 50:[2, 29] Operation: 31-2=29 Exploring Operation: 2+2=4, Resulting Numbers: [31, 4] Generated Node #0,0,3: 50:[31, 4] Operation: 2+2=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[2, 29], Operations: ['56/28=2', '31-2=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,50 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[2, 29], Operations: ['56/28=2', '31-2=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[31, 4], Operations: ['56/28=2', '2*2=4'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 31*4=124, Resulting Numbers: [124] 124,50 unequal: No Solution Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,50 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:[31, 4], Operations: ['56/28=2', '2+2=4'] Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,50 unequal: No Solution Exploring Operation: 31*4=124, Resulting Numbers: [124] 124,50 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 50:[56, 2, 3], Operations: ['31-28=3'] Exploring Operation: 56/2=28, Resulting Numbers: [3, 28] Generated Node #0,3,0: 50:[3, 28] Operation: 56/2=28 Exploring Operation: 56-2=54, Resulting Numbers: [3, 54] Generated Node #0,3,1: 50:[3, 54] Operation: 56-2=54 Exploring Operation: 56-3=53, Resulting Numbers: [2, 53] Generated Node #0,3,2: 50:[2, 53] Operation: 56-3=53 Exploring Operation: 2+3=5, Resulting Numbers: [56, 5] Generated Node #0,3,3: 50:[56, 5] Operation: 2+3=5 Moving to Node #0,1 Current State: 50:[31, 2, 28], Operations: ['56-28=28'] Exploring Operation: 28-2=26, Resulting Numbers: [31, 26] Generated Node #0,1,0: 50:[31, 26] Operation: 28-2=26 Exploring Operation: 31-28=3, Resulting Numbers: [2, 3] Generated Node #0,1,1: 50:[2, 3] Operation: 31-28=3 Exploring Operation: 31-2=29, Resulting Numbers: [28, 29] Generated Node #0,1,2: 50:[28, 29] Operation: 31-2=29 Exploring Operation: 31+28=59, Resulting Numbers: [2, 59] Generated Node #0,1,3: 50:[2, 59] Operation: 31+28=59 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[2, 3], Operations: ['56-28=28', '31-28=3'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[31, 26], Operations: ['56-28=28', '28-2=26'] Exploring Operation: 31+26=57, Resulting Numbers: [57] 57,50 unequal: No Solution Exploring Operation: 31*26=806, Resulting Numbers: [806] 806,50 unequal: No Solution Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 50:[28, 29], Operations: ['56-28=28', '31-2=29'] Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 28*29=812, Resulting Numbers: [812] 812,50 unequal: No Solution Exploring Operation: 28+29=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 #0,1,3 Current State: 50:[2, 59], Operations: ['56-28=28', '31+28=59'] Exploring Operation: 2*59=118, Resulting Numbers: [118] 118,50 unequal: No Solution Exploring Operation: 2+59=61, Resulting Numbers: [61] 61,50 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 50:[2, 53], Operations: ['31-28=3', '56-3=53'] Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,50 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,50 unequal: No Solution Moving to Node #0,3,0 Current State: 50:[3, 28], Operations: ['31-28=3', '56/2=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,50 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,50 unequal: No Solution Moving to Node #0,3,1 Current State: 50:[3, 54], Operations: ['31-28=3', '56-2=54'] Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,50 unequal: No Solution Exploring Operation: 3*54=162, Resulting Numbers: [162] 162,50 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,50 unequal: No Solution Moving to Node #0,3,3 Current State: 50:[56, 5], Operations: ['31-28=3', '2+3=5'] Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,50 unequal: No Solution Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,50 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,50 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 74, 2, 31, 51 ]
59
[ "74-31=43", "2*51=102", "102-43=59" ]
Current State: 59:[74, 2, 31, 51], Operations: [] Exploring Operation: 74-31=43, Resulting Numbers: [2, 51, 43] Generated Node #2: [2, 51, 43] from Operation: 74-31=43 Current State: 59:[2, 51, 43], Operations: ['74-31=43'] Exploring Operation: 2*51=102, Resulting Numbers: [43, 102] Generated Node #3: [43, 102] from Operation: 2*51=102 Current State: 59:[43, 102], Operations: ['74-31=43', '2*51=102'] Exploring Operation: 102-43=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[74, 2, 31, 51], Operations: [] Exploring Operation: 2+31=33, Resulting Numbers: [74, 51, 33] Generated Node #0,0: 59:[74, 51, 33] Operation: 2+31=33 Exploring Operation: 2*31=62, Resulting Numbers: [74, 51, 62] Generated Node #0,1: 59:[74, 51, 62] Operation: 2*31=62 Exploring Operation: 74-2=72, Resulting Numbers: [31, 51, 72] Generated Node #0,2: 59:[31, 51, 72] Operation: 74-2=72 Moving to Node #0,1 Current State: 59:[74, 51, 62], Operations: ['2*31=62'] Exploring Operation: 74-62=12, Resulting Numbers: [51, 12] Generated Node #0,1,0: 59:[51, 12] Operation: 74-62=12 Exploring Operation: 62-51=11, Resulting Numbers: [74, 11] Generated Node #0,1,1: 59:[74, 11] Operation: 62-51=11 Exploring Operation: 74-51=23, Resulting Numbers: [62, 23] Generated Node #0,1,2: 59:[62, 23] Operation: 74-51=23 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 59:[62, 23], Operations: ['2*31=62', '74-51=23'] Exploring Operation: 62*23=1426, Resulting Numbers: [1426] 1426,59 unequal: No Solution Exploring Operation: 62+23=85, Resulting Numbers: [85] 85,59 unequal: No Solution Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,59 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:[51, 12], Operations: ['2*31=62', '74-62=12'] Exploring Operation: 51*12=612, Resulting Numbers: [612] 612,59 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 51+12=63, Resulting Numbers: [63] 63,59 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:[74, 11], Operations: ['2*31=62', '62-51=11'] Exploring Operation: 74+11=85, Resulting Numbers: [85] 85,59 unequal: No Solution Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,59 unequal: No Solution Exploring Operation: 74*11=814, Resulting Numbers: [814] 814,59 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: 59:[74, 51, 33], Operations: ['2+31=33'] Exploring Operation: 51+33=84, Resulting Numbers: [74, 84] Generated Node #0,0,0: 59:[74, 84] Operation: 51+33=84 Exploring Operation: 74+33=107, Resulting Numbers: [51, 107] Generated Node #0,0,1: 59:[51, 107] Operation: 74+33=107 Exploring Operation: 74-33=41, Resulting Numbers: [51, 41] Generated Node #0,0,2: 59:[51, 41] Operation: 74-33=41 Moving to Node #0,2 Current State: 59:[31, 51, 72], Operations: ['74-2=72'] Exploring Operation: 31+51=82, Resulting Numbers: [72, 82] Generated Node #0,2,0: 59:[72, 82] Operation: 31+51=82 Exploring Operation: 72-31=41, Resulting Numbers: [51, 41] Generated Node #0,2,1: 59:[51, 41] Operation: 72-31=41 Exploring Operation: 51-31=20, Resulting Numbers: [72, 20] Generated Node #0,2,2: 59:[72, 20] Operation: 51-31=20 Moving to Node #0,0,2 Current State: 59:[51, 41], Operations: ['2+31=33', '74-33=41'] Exploring Operation: 51*41=2091, Resulting Numbers: [2091] 2091,59 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 51+41=92, Resulting Numbers: [92] 92,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[51, 41], Operations: ['74-2=72', '72-31=41'] Exploring Operation: 51+41=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 51*41=2091, Resulting Numbers: [2091] 2091,59 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[72, 82], Operations: ['74-2=72', '31+51=82'] Exploring Operation: 72+82=154, Resulting Numbers: [154] 154,59 unequal: No Solution Exploring Operation: 82-72=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 72*82=5904, Resulting Numbers: [5904] 5904,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[74, 84], Operations: ['2+31=33', '51+33=84'] Exploring Operation: 74+84=158, Resulting Numbers: [158] 158,59 unequal: No Solution Exploring Operation: 74*84=6216, Resulting Numbers: [6216] 6216,59 unequal: No Solution Exploring Operation: 84-74=10, Resulting Numbers: [10] 10,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[72, 20], Operations: ['74-2=72', '51-31=20'] Exploring Operation: 72*20=1440, Resulting Numbers: [1440] 1440,59 unequal: No Solution Exploring Operation: 72+20=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[51, 107], Operations: ['2+31=33', '74+33=107'] Exploring Operation: 51+107=158, Resulting Numbers: [158] 158,59 unequal: No Solution Exploring Operation: 107-51=56, Resulting Numbers: [56] 56,59 unequal: No Solution Exploring Operation: 51*107=5457, Resulting Numbers: [5457] 5457,59 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 23, 13, 95, 39 ]
69
[ "95-23=72", "39/13=3", "72-3=69" ]
Current State: 69:[23, 13, 95, 39], Operations: [] Exploring Operation: 95-23=72, Resulting Numbers: [13, 39, 72] Generated Node #2: [13, 39, 72] from Operation: 95-23=72 Current State: 69:[13, 39, 72], Operations: ['95-23=72'] Exploring Operation: 39/13=3, Resulting Numbers: [72, 3] Generated Node #3: [72, 3] from Operation: 39/13=3 Current State: 69:[72, 3], Operations: ['95-23=72', '39/13=3'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[23, 13, 95, 39], Operations: [] Exploring Operation: 95-39=56, Resulting Numbers: [23, 13, 56] Generated Node #0,0: 69:[23, 13, 56] Operation: 95-39=56 Exploring Operation: 39/13=3, Resulting Numbers: [23, 95, 3] Generated Node #0,1: 69:[23, 95, 3] Operation: 39/13=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[23, 13, 56], Operations: ['95-39=56'] Exploring Operation: 13+56=69, Resulting Numbers: [23, 69] Generated Node #0,0,0: 69:[23, 69] Operation: 13+56=69 Exploring Operation: 23-13=10, Resulting Numbers: [56, 10] Generated Node #0,0,1: 69:[56, 10] Operation: 23-13=10 Moving to Node #0,0,0 Current State: 69:[23, 69], Operations: ['95-39=56', '13+56=69'] Exploring Operation: 23+69=92, Resulting Numbers: [92] 92,69 unequal: No Solution Exploring Operation: 69/23=3, Resulting Numbers: [3] 3,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[56, 10], Operations: ['95-39=56', '23-13=10'] Exploring Operation: 56+10=66, Resulting Numbers: [66] 66,69 unequal: No Solution Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,69 unequal: No Solution No 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: 69:[23, 95, 3], Operations: ['39/13=3'] Exploring Operation: 95-23=72, Resulting Numbers: [3, 72] Generated Node #0,1,0: 69:[3, 72] Operation: 95-23=72 Exploring Operation: 95-3=92, Resulting Numbers: [23, 92] Generated Node #0,1,1: 69:[23, 92] Operation: 95-3=92 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[3, 72], Operations: ['39/13=3', '95-23=72'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[23, 13, 95, 39], Operations: [] Exploring Operation: 39/13=3, Resulting Numbers: [23, 95, 3] Generated Node #0,1: 69:[23, 95, 3] Operation: 39/13=3 Moving to Node #0,1 Current State: 69:[23, 95, 3], Operations: ['39/13=3'] Exploring Operation: 95-23=72, Resulting Numbers: [3, 72] Generated Node #0,1,0: 69:[3, 72] Operation: 95-23=72 Moving to Node #0,1,0 Current State: 69:[3, 72], Operations: ['39/13=3', '95-23=72'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 17, 81, 17, 35 ]
81
[ "17+17=34", "35-34=1", "81*1=81" ]
Current State: 81:[17, 81, 17, 35], Operations: [] Exploring Operation: 17+17=34, Resulting Numbers: [81, 35, 34] Generated Node #2: [81, 35, 34] from Operation: 17+17=34 Current State: 81:[81, 35, 34], Operations: ['17+17=34'] Exploring Operation: 35-34=1, Resulting Numbers: [81, 1] Generated Node #3: [81, 1] from Operation: 35-34=1 Current State: 81:[81, 1], Operations: ['17+17=34', '35-34=1'] Exploring Operation: 81*1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[17, 81, 17, 35], Operations: [] Exploring Operation: 17/17=1, Resulting Numbers: [81, 35, 1] Generated Node #0,0: 81:[81, 35, 1] Operation: 17/17=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[81, 35, 1], Operations: ['17/17=1'] Exploring Operation: 35-1=34, Resulting Numbers: [81, 34] Generated Node #0,0,0: 81:[81, 34] Operation: 35-1=34 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[81, 34], Operations: ['17/17=1', '35-1=34'] Exploring Operation: 81-34=47, Resulting Numbers: [47] 47,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 70, 12, 24, 52 ]
61
[ "70+52=122", "24/12=2", "122/2=61" ]
Current State: 61:[70, 12, 24, 52], Operations: [] Exploring Operation: 70+52=122, Resulting Numbers: [12, 24, 122] Generated Node #2: [12, 24, 122] from Operation: 70+52=122 Current State: 61:[12, 24, 122], Operations: ['70+52=122'] Exploring Operation: 24/12=2, Resulting Numbers: [122, 2] Generated Node #3: [122, 2] from Operation: 24/12=2 Current State: 61:[122, 2], Operations: ['70+52=122', '24/12=2'] Exploring Operation: 122/2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[70, 12, 24, 52], Operations: [] Exploring Operation: 70-12=58, Resulting Numbers: [24, 52, 58] Generated Node #0,0: 61:[24, 52, 58] Operation: 70-12=58 Exploring Operation: 12+24=36, Resulting Numbers: [70, 52, 36] Generated Node #0,1: 61:[70, 52, 36] Operation: 12+24=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[70, 52, 36], Operations: ['12+24=36'] Exploring Operation: 70-36=34, Resulting Numbers: [52, 34] Generated Node #0,1,0: 61:[52, 34] Operation: 70-36=34 Exploring Operation: 52+36=88, Resulting Numbers: [70, 88] Generated Node #0,1,1: 61:[70, 88] Operation: 52+36=88 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[52, 34], Operations: ['12+24=36', '70-36=34'] Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,61 unequal: No Solution Exploring Operation: 52+34=86, Resulting Numbers: [86] 86,61 unequal: No Solution No 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: 61:[70, 88], Operations: ['12+24=36', '52+36=88'] Exploring Operation: 88-70=18, Resulting Numbers: [18] 18,61 unequal: No Solution Exploring Operation: 70+88=158, Resulting Numbers: [158] 158,61 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: 61:[24, 52, 58], Operations: ['70-12=58'] Exploring Operation: 24+52=76, Resulting Numbers: [58, 76] Generated Node #0,0,0: 61:[58, 76] Operation: 24+52=76 Exploring Operation: 24+58=82, Resulting Numbers: [52, 82] Generated Node #0,0,1: 61:[52, 82] Operation: 24+58=82 Moving to Node #0,0,0 Current State: 61:[58, 76], Operations: ['70-12=58', '24+52=76'] Exploring Operation: 58+76=134, Resulting Numbers: [134] 134,61 unequal: No Solution Exploring Operation: 76-58=18, Resulting Numbers: [18] 18,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[52, 82], Operations: ['70-12=58', '24+58=82'] Exploring Operation: 82-52=30, Resulting Numbers: [30] 30,61 unequal: No Solution Exploring Operation: 52+82=134, Resulting Numbers: [134] 134,61 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
[ 23, 68, 44, 6 ]
58
[ "44-23=21", "6*21=126", "126-68=58" ]
Current State: 58:[23, 68, 44, 6], Operations: [] Exploring Operation: 44-23=21, Resulting Numbers: [68, 6, 21] Generated Node #2: [68, 6, 21] from Operation: 44-23=21 Current State: 58:[68, 6, 21], Operations: ['44-23=21'] Exploring Operation: 6*21=126, Resulting Numbers: [68, 126] Generated Node #3: [68, 126] from Operation: 6*21=126 Current State: 58:[68, 126], Operations: ['44-23=21', '6*21=126'] Exploring Operation: 126-68=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[23, 68, 44, 6], Operations: [] Exploring Operation: 44-23=21, Resulting Numbers: [68, 6, 21] Generated Node #0,0: 58:[68, 6, 21] Operation: 44-23=21 Exploring Operation: 68-44=24, Resulting Numbers: [23, 6, 24] Generated Node #0,1: 58:[23, 6, 24] Operation: 68-44=24 Exploring Operation: 23+44=67, Resulting Numbers: [68, 6, 67] Generated Node #0,2: 58:[68, 6, 67] Operation: 23+44=67 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[23, 6, 24], Operations: ['68-44=24'] Exploring Operation: 23+6=29, Resulting Numbers: [24, 29] Generated Node #0,1,0: 58:[24, 29] Operation: 23+6=29 Exploring Operation: 6+24=30, Resulting Numbers: [23, 30] Generated Node #0,1,1: 58:[23, 30] Operation: 6+24=30 Exploring Operation: 24-23=1, Resulting Numbers: [6, 1] Generated Node #0,1,2: 58:[6, 1] Operation: 24-23=1 Moving to Node #0,1,0 Current State: 58:[24, 29], Operations: ['68-44=24', '23+6=29'] Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 24*29=696, Resulting Numbers: [696] 696,58 unequal: No Solution Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[6, 1], Operations: ['68-44=24', '24-23=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[23, 30], Operations: ['68-44=24', '6+24=30'] Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 23+30=53, Resulting Numbers: [53] 53,58 unequal: No Solution Exploring Operation: 23*30=690, Resulting Numbers: [690] 690,58 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 Current State: 58:[68, 6, 21], Operations: ['44-23=21'] Exploring Operation: 68-6=62, Resulting Numbers: [21, 62] Generated Node #0,0,0: 58:[21, 62] Operation: 68-6=62 Exploring Operation: 6+21=27, Resulting Numbers: [68, 27] Generated Node #0,0,1: 58:[68, 27] Operation: 6+21=27 Exploring Operation: 68-21=47, Resulting Numbers: [6, 47] Generated Node #0,0,2: 58:[6, 47] Operation: 68-21=47 Moving to Node #0,0,0 Current State: 58:[21, 62], Operations: ['44-23=21', '68-6=62'] Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 21*62=1302, Resulting Numbers: [1302] 1302,58 unequal: No Solution Exploring Operation: 21+62=83, Resulting Numbers: [83] 83,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[68, 27], Operations: ['44-23=21', '6+21=27'] Exploring Operation: 68*27=1836, Resulting Numbers: [1836] 1836,58 unequal: No Solution Exploring Operation: 68+27=95, Resulting Numbers: [95] 95,58 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[6, 47], Operations: ['44-23=21', '68-21=47'] Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 6*47=282, Resulting Numbers: [282] 282,58 unequal: No Solution Exploring Operation: 6+47=53, Resulting Numbers: [53] 53,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[68, 6, 67], Operations: ['23+44=67'] Exploring Operation: 68-6=62, Resulting Numbers: [67, 62] Generated Node #0,2,0: 58:[67, 62] Operation: 68-6=62 Exploring Operation: 68-67=1, Resulting Numbers: [6, 1] Generated Node #0,2,1: 58:[6, 1] Operation: 68-67=1 Exploring Operation: 67-6=61, Resulting Numbers: [68, 61] Generated Node #0,2,2: 58:[68, 61] Operation: 67-6=61 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 58:[6, 1], Operations: ['23+44=67', '68-67=1'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,58 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,58 unequal: No Solution No 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: 58:[67, 62], Operations: ['23+44=67', '68-6=62'] Exploring Operation: 67*62=4154, Resulting Numbers: [4154] 4154,58 unequal: No Solution Exploring Operation: 67+62=129, Resulting Numbers: [129] 129,58 unequal: No Solution Exploring Operation: 67-62=5, Resulting Numbers: [5] 5,58 unequal: No Solution No 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: 58:[68, 61], Operations: ['23+44=67', '67-6=61'] Exploring Operation: 68*61=4148, Resulting Numbers: [4148] 4148,58 unequal: No Solution Exploring Operation: 68-61=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 68+61=129, Resulting Numbers: [129] 129,58 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
[ 9, 25, 13, 31 ]
67
[ "31-25=6", "9*6=54", "13+54=67" ]
Current State: 67:[9, 25, 13, 31], Operations: [] Exploring Operation: 31-25=6, Resulting Numbers: [9, 13, 6] Generated Node #2: [9, 13, 6] from Operation: 31-25=6 Current State: 67:[9, 13, 6], Operations: ['31-25=6'] Exploring Operation: 9*6=54, Resulting Numbers: [13, 54] Generated Node #3: [13, 54] from Operation: 9*6=54 Current State: 67:[13, 54], Operations: ['31-25=6', '9*6=54'] Exploring Operation: 13+54=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[9, 25, 13, 31], Operations: [] Exploring Operation: 9+25=34, Resulting Numbers: [13, 31, 34] Generated Node #0,0: 67:[13, 31, 34] Operation: 9+25=34 Moving to Node #0,0 Current State: 67:[13, 31, 34], Operations: ['9+25=34'] Exploring Operation: 13+31=44, Resulting Numbers: [34, 44] Generated Node #0,0,0: 67:[34, 44] Operation: 13+31=44 Moving to Node #0,0,0 Current State: 67:[34, 44], Operations: ['9+25=34', '13+31=44'] Exploring Operation: 34+44=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 23, 50, 82, 79 ]
76
[ "23+50=73", "82-79=3", "73+3=76" ]
Current State: 76:[23, 50, 82, 79], Operations: [] Exploring Operation: 23+50=73, Resulting Numbers: [82, 79, 73] Generated Node #2: [82, 79, 73] from Operation: 23+50=73 Current State: 76:[82, 79, 73], Operations: ['23+50=73'] Exploring Operation: 82-79=3, Resulting Numbers: [73, 3] Generated Node #3: [73, 3] from Operation: 82-79=3 Current State: 76:[73, 3], Operations: ['23+50=73', '82-79=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[23, 50, 82, 79], Operations: [] Exploring Operation: 82-50=32, Resulting Numbers: [23, 79, 32] Generated Node #0,0: 76:[23, 79, 32] Operation: 82-50=32 Exploring Operation: 50-23=27, Resulting Numbers: [82, 79, 27] Generated Node #0,1: 76:[82, 79, 27] Operation: 50-23=27 Exploring Operation: 23+50=73, Resulting Numbers: [82, 79, 73] Generated Node #0,2: 76:[82, 79, 73] Operation: 23+50=73 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[82, 79, 73], Operations: ['23+50=73'] Exploring Operation: 82-73=9, Resulting Numbers: [79, 9] Generated Node #0,2,0: 76:[79, 9] Operation: 82-73=9 Exploring Operation: 82-79=3, Resulting Numbers: [73, 3] Generated Node #0,2,1: 76:[73, 3] Operation: 82-79=3 Exploring Operation: 79-73=6, Resulting Numbers: [82, 6] Generated Node #0,2,2: 76:[82, 6] Operation: 79-73=6 Moving to Node #0,2,1 Current State: 76:[73, 3], Operations: ['23+50=73', '82-79=3'] Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,76 unequal: No Solution Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[23, 50, 82, 79], Operations: [] Exploring Operation: 23+50=73, Resulting Numbers: [82, 79, 73] Generated Node #0,2: 76:[82, 79, 73] Operation: 23+50=73 Moving to Node #0,2 Current State: 76:[82, 79, 73], Operations: ['23+50=73'] Exploring Operation: 82-79=3, Resulting Numbers: [73, 3] Generated Node #0,2,1: 76:[73, 3] Operation: 82-79=3 Moving to Node #0,2,1 Current State: 76:[73, 3], Operations: ['23+50=73', '82-79=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 7, 2, 19, 59 ]
69
[ "7+2=9", "19+59=78", "78-9=69" ]
Current State: 69:[7, 2, 19, 59], Operations: [] Exploring Operation: 7+2=9, Resulting Numbers: [19, 59, 9] Generated Node #2: [19, 59, 9] from Operation: 7+2=9 Current State: 69:[19, 59, 9], Operations: ['7+2=9'] Exploring Operation: 19+59=78, Resulting Numbers: [9, 78] Generated Node #3: [9, 78] from Operation: 19+59=78 Current State: 69:[9, 78], Operations: ['7+2=9', '19+59=78'] Exploring Operation: 78-9=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[7, 2, 19, 59], Operations: [] Exploring Operation: 7+59=66, Resulting Numbers: [2, 19, 66] Generated Node #0,0: 69:[2, 19, 66] Operation: 7+59=66 Exploring Operation: 7+19=26, Resulting Numbers: [2, 59, 26] Generated Node #0,1: 69:[2, 59, 26] Operation: 7+19=26 Exploring Operation: 19+59=78, Resulting Numbers: [7, 2, 78] Generated Node #0,2: 69:[7, 2, 78] Operation: 19+59=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[2, 19, 66], Operations: ['7+59=66'] Exploring Operation: 19-2=17, Resulting Numbers: [66, 17] Generated Node #0,0,0: 69:[66, 17] Operation: 19-2=17 Exploring Operation: 2+19=21, Resulting Numbers: [66, 21] Generated Node #0,0,1: 69:[66, 21] Operation: 2+19=21 Exploring Operation: 2+66=68, Resulting Numbers: [19, 68] Generated Node #0,0,2: 69:[19, 68] Operation: 2+66=68 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[66, 21], Operations: ['7+59=66', '2+19=21'] Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,69 unequal: No Solution Exploring Operation: 66*21=1386, Resulting Numbers: [1386] 1386,69 unequal: No Solution Exploring Operation: 66+21=87, Resulting Numbers: [87] 87,69 unequal: No Solution No 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: 69:[19, 68], Operations: ['7+59=66', '2+66=68'] Exploring Operation: 19+68=87, Resulting Numbers: [87] 87,69 unequal: No Solution Exploring Operation: 19*68=1292, Resulting Numbers: [1292] 1292,69 unequal: No Solution Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,69 unequal: No Solution No 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: 69:[66, 17], Operations: ['7+59=66', '19-2=17'] Exploring Operation: 66*17=1122, Resulting Numbers: [1122] 1122,69 unequal: No Solution Exploring Operation: 66+17=83, Resulting Numbers: [83] 83,69 unequal: No Solution Exploring Operation: 66-17=49, Resulting Numbers: [49] 49,69 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: 69:[2, 59, 26], Operations: ['7+19=26'] Exploring Operation: 26-2=24, Resulting Numbers: [59, 24] Generated Node #0,1,0: 69:[59, 24] Operation: 26-2=24 Exploring Operation: 59-26=33, Resulting Numbers: [2, 33] Generated Node #0,1,1: 69:[2, 33] Operation: 59-26=33 Exploring Operation: 2+59=61, Resulting Numbers: [26, 61] Generated Node #0,1,2: 69:[26, 61] Operation: 2+59=61 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[59, 24], Operations: ['7+19=26', '26-2=24'] Exploring Operation: 59*24=1416, Resulting Numbers: [1416] 1416,69 unequal: No Solution Exploring Operation: 59+24=83, Resulting Numbers: [83] 83,69 unequal: No Solution Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,69 unequal: No Solution No 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: 69:[2, 33], Operations: ['7+19=26', '59-26=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,69 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,69 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,69 unequal: No Solution No 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: 69:[26, 61], Operations: ['7+19=26', '2+59=61'] Exploring Operation: 26*61=1586, Resulting Numbers: [1586] 1586,69 unequal: No Solution Exploring Operation: 61-26=35, Resulting Numbers: [35] 35,69 unequal: No Solution Exploring Operation: 26+61=87, Resulting Numbers: [87] 87,69 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: 69:[7, 2, 78], Operations: ['19+59=78'] Exploring Operation: 7-2=5, Resulting Numbers: [78, 5] Generated Node #0,2,0: 69:[78, 5] Operation: 7-2=5 Exploring Operation: 78-2=76, Resulting Numbers: [7, 76] Generated Node #0,2,1: 69:[7, 76] Operation: 78-2=76 Exploring Operation: 78-7=71, Resulting Numbers: [2, 71] Generated Node #0,2,2: 69:[2, 71] Operation: 78-7=71 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 69:[2, 71], Operations: ['19+59=78', '78-7=71'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[7, 2, 19, 59], Operations: [] Exploring Operation: 19+59=78, Resulting Numbers: [7, 2, 78] Generated Node #0,2: 69:[7, 2, 78] Operation: 19+59=78 Moving to Node #0,2 Current State: 69:[7, 2, 78], Operations: ['19+59=78'] Exploring Operation: 78-7=71, Resulting Numbers: [2, 71] Generated Node #0,2,2: 69:[2, 71] Operation: 78-7=71 Moving to Node #0,2,2 Current State: 69:[2, 71], Operations: ['19+59=78', '78-7=71'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_3
sum_heuristic
[ 44, 57, 6, 5 ]
71
[ "44+57=101", "6*5=30", "101-30=71" ]
Current State: 71:[44, 57, 6, 5], Operations: [] Exploring Operation: 44+57=101, Resulting Numbers: [6, 5, 101] Generated Node #2: [6, 5, 101] from Operation: 44+57=101 Current State: 71:[6, 5, 101], Operations: ['44+57=101'] Exploring Operation: 6*5=30, Resulting Numbers: [101, 30] Generated Node #3: [101, 30] from Operation: 6*5=30 Current State: 71:[101, 30], Operations: ['44+57=101', '6*5=30'] Exploring Operation: 101-30=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[44, 57, 6, 5], Operations: [] Exploring Operation: 57+5=62, Resulting Numbers: [44, 6, 62] Generated Node #0,0: 71:[44, 6, 62] Operation: 57+5=62 Exploring Operation: 44+6=50, Resulting Numbers: [57, 5, 50] Generated Node #0,1: 71:[57, 5, 50] Operation: 44+6=50 Exploring Operation: 44+5=49, Resulting Numbers: [57, 6, 49] Generated Node #0,2: 71:[57, 6, 49] Operation: 44+5=49 Exploring Operation: 57+6=63, Resulting Numbers: [44, 5, 63] Generated Node #0,3: 71:[44, 5, 63] Operation: 57+6=63 Exploring Operation: 6*5=30, Resulting Numbers: [44, 57, 30] Generated Node #0,4: 71:[44, 57, 30] Operation: 6*5=30 Start Sub Search at level 1: Moving to Node #0,4 Current State: 71:[44, 57, 30], Operations: ['6*5=30'] Exploring Operation: 57-30=27, Resulting Numbers: [44, 27] Generated Node #0,4,0: 71:[44, 27] Operation: 57-30=27 Exploring Operation: 44-30=14, Resulting Numbers: [57, 14] Generated Node #0,4,1: 71:[57, 14] Operation: 44-30=14 Exploring Operation: 44+57=101, Resulting Numbers: [30, 101] Generated Node #0,4,2: 71:[30, 101] Operation: 44+57=101 Exploring Operation: 57+30=87, Resulting Numbers: [44, 87] Generated Node #0,4,3: 71:[44, 87] Operation: 57+30=87 Exploring Operation: 44+30=74, Resulting Numbers: [57, 74] Generated Node #0,4,4: 71:[57, 74] Operation: 44+30=74 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 71:[57, 74], Operations: ['6*5=30', '44+30=74'] Exploring Operation: 57+74=131, Resulting Numbers: [131] 131,71 unequal: No Solution Exploring Operation: 57*74=4218, Resulting Numbers: [4218] 4218,71 unequal: No Solution Exploring Operation: 74-57=17, Resulting Numbers: [17] 17,71 unequal: No Solution No 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: 71:[44, 87], Operations: ['6*5=30', '57+30=87'] Exploring Operation: 44+87=131, Resulting Numbers: [131] 131,71 unequal: No Solution Exploring Operation: 87-44=43, Resulting Numbers: [43] 43,71 unequal: No Solution Exploring Operation: 44*87=3828, Resulting Numbers: [3828] 3828,71 unequal: No Solution No 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: 71:[44, 27], Operations: ['6*5=30', '57-30=27'] Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[44, 57, 6, 5], Operations: [] Exploring Operation: 6*5=30, Resulting Numbers: [44, 57, 30] Generated Node #0,4: 71:[44, 57, 30] Operation: 6*5=30 Moving to Node #0,4 Current State: 71:[44, 57, 30], Operations: ['6*5=30'] Exploring Operation: 57-30=27, Resulting Numbers: [44, 27] Generated Node #0,4,0: 71:[44, 27] Operation: 57-30=27 Moving to Node #0,4,0 Current State: 71:[44, 27], Operations: ['6*5=30', '57-30=27'] Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 4, 68, 55, 68 ]
21
[ "68+68=136", "136/4=34", "55-34=21" ]
Current State: 21:[4, 68, 55, 68], Operations: [] Exploring Operation: 68+68=136, Resulting Numbers: [4, 55, 136] Generated Node #2: [4, 55, 136] from Operation: 68+68=136 Current State: 21:[4, 55, 136], Operations: ['68+68=136'] Exploring Operation: 136/4=34, Resulting Numbers: [55, 34] Generated Node #3: [55, 34] from Operation: 136/4=34 Current State: 21:[55, 34], Operations: ['68+68=136', '136/4=34'] Exploring Operation: 55-34=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[4, 68, 55, 68], Operations: [] Exploring Operation: 68/4=17, Resulting Numbers: [55, 68, 17] Generated Node #0,0: 21:[55, 68, 17] Operation: 68/4=17 Exploring Operation: 68-55=13, Resulting Numbers: [4, 68, 13] Generated Node #0,1: 21:[4, 68, 13] Operation: 68-55=13 Exploring Operation: 68-55=13, Resulting Numbers: [4, 68, 13] Generated Node #0,2: 21:[4, 68, 13] Operation: 68-55=13 Exploring Operation: 68/68=1, Resulting Numbers: [4, 55, 1] Generated Node #0,3: 21:[4, 55, 1] Operation: 68/68=1 Exploring Operation: 68-68=0, Resulting Numbers: [4, 55, 0] Generated Node #0,4: 21:[4, 55, 0] Operation: 68-68=0 Start Sub Search at level 1: Moving to Node #0,3 Current State: 21:[4, 55, 1], Operations: ['68/68=1'] Exploring Operation: 4*1=4, Resulting Numbers: [55, 4] Generated Node #0,3,0: 21:[55, 4] Operation: 4*1=4 Exploring Operation: 55-1=54, Resulting Numbers: [4, 54] Generated Node #0,3,1: 21:[4, 54] Operation: 55-1=54 Exploring Operation: 55-4=51, Resulting Numbers: [1, 51] Generated Node #0,3,2: 21:[1, 51] Operation: 55-4=51 Exploring Operation: 4-1=3, Resulting Numbers: [55, 3] Generated Node #0,3,3: 21:[55, 3] Operation: 4-1=3 Exploring Operation: 4/1=4, Resulting Numbers: [55, 4] Generated Node #0,3,4: 21:[55, 4] Operation: 4/1=4 Moving to Node #0,3,2 Current State: 21:[1, 51], Operations: ['68/68=1', '55-4=51'] Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 1+51=52, Resulting Numbers: [52] 52,21 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,21 unequal: No Solution Exploring Operation: 1*51=51, Resulting Numbers: [51] 51,21 unequal: No Solution Moving to Node #0,3,3 Current State: 21:[55, 3], Operations: ['68/68=1', '4-1=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,21 unequal: No Solution Exploring Operation: 55*3=165, Resulting Numbers: [165] 165,21 unequal: No Solution Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,21 unequal: No Solution Moving to Node #0,3,1 Current State: 21:[4, 54], Operations: ['68/68=1', '55-1=54'] Exploring Operation: 4+54=58, Resulting Numbers: [58] 58,21 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,21 unequal: No Solution Exploring Operation: 4*54=216, Resulting Numbers: [216] 216,21 unequal: No Solution Moving to Node #0,3,0 Current State: 21:[55, 4], Operations: ['68/68=1', '4*1=4'] Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,21 unequal: No Solution Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,21 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,21 unequal: No Solution Moving to Node #0,3,4 Current State: 21:[55, 4], Operations: ['68/68=1', '4/1=4'] Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,21 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,21 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 #0,4 Current State: 21:[4, 55, 0], Operations: ['68-68=0'] Exploring Operation: 55+0=55, Resulting Numbers: [4, 55] Generated Node #0,4,0: 21:[4, 55] Operation: 55+0=55 Exploring Operation: 55*0=0, Resulting Numbers: [4, 0] Generated Node #0,4,1: 21:[4, 0] Operation: 55*0=0 Exploring Operation: 4-0=4, Resulting Numbers: [55, 4] Generated Node #0,4,2: 21:[55, 4] Operation: 4-0=4 Exploring Operation: 4+0=4, Resulting Numbers: [55, 4] Generated Node #0,4,3: 21:[55, 4] Operation: 4+0=4 Exploring Operation: 55-4=51, Resulting Numbers: [0, 51] Generated Node #0,4,4: 21:[0, 51] Operation: 55-4=51 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 21:[4, 0], Operations: ['68-68=0', '55*0=0'] Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 4*0=0, Resulting Numbers: [0] 0,21 unequal: No Solution Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 21:[0, 51], Operations: ['68-68=0', '55-4=51'] Exploring Operation: 0*51=0, Resulting Numbers: [0] 0,21 unequal: No Solution Exploring Operation: 0+51=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 51-0=51, Resulting Numbers: [51] 51,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 21:[4, 55], Operations: ['68-68=0', '55+0=55'] Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,21 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 21:[55, 4], Operations: ['68-68=0', '4-0=4'] Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,21 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 21:[55, 4], Operations: ['68-68=0', '4+0=4'] Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,21 unequal: No Solution Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[4, 68, 13], Operations: ['68-55=13'] Exploring Operation: 13-4=9, Resulting Numbers: [68, 9] Generated Node #0,1,0: 21:[68, 9] Operation: 13-4=9 Exploring Operation: 4+13=17, Resulting Numbers: [68, 17] Generated Node #0,1,1: 21:[68, 17] Operation: 4+13=17 Exploring Operation: 68-13=55, Resulting Numbers: [4, 55] Generated Node #0,1,2: 21:[4, 55] Operation: 68-13=55 Exploring Operation: 68/4=17, Resulting Numbers: [13, 17] Generated Node #0,1,3: 21:[13, 17] Operation: 68/4=17 Exploring Operation: 68-4=64, Resulting Numbers: [13, 64] Generated Node #0,1,4: 21:[13, 64] Operation: 68-4=64 Moving to Node #0,1,3 Current State: 21:[13, 17], Operations: ['68-55=13', '68/4=17'] Exploring Operation: 13*17=221, Resulting Numbers: [221] 221,21 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 13+17=30, Resulting Numbers: [30] 30,21 unequal: No Solution Moving to Node #0,1,2 Current State: 21:[4, 55], Operations: ['68-55=13', '68-13=55'] Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,21 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,21 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[68, 9], Operations: ['68-55=13', '13-4=9'] Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,21 unequal: No Solution Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,21 unequal: No Solution Exploring Operation: 68*9=612, Resulting Numbers: [612] 612,21 unequal: No Solution Moving to Node #0,1,4 Current State: 21:[13, 64], Operations: ['68-55=13', '68-4=64'] Exploring Operation: 64-13=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 13*64=832, Resulting Numbers: [832] 832,21 unequal: No Solution Exploring Operation: 13+64=77, Resulting Numbers: [77] 77,21 unequal: No Solution Moving to Node #0,1,1 Current State: 21:[68, 17], Operations: ['68-55=13', '4+13=17'] Exploring Operation: 68+17=85, Resulting Numbers: [85] 85,21 unequal: No Solution Exploring Operation: 68*17=1156, Resulting Numbers: [1156] 1156,21 unequal: No Solution Exploring Operation: 68-17=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 68/17=4, Resulting Numbers: [4] 4,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[4, 68, 13], Operations: ['68-55=13'] Exploring Operation: 68-4=64, Resulting Numbers: [13, 64] Generated Node #0,2,0: 21:[13, 64] Operation: 68-4=64 Exploring Operation: 13-4=9, Resulting Numbers: [68, 9] Generated Node #0,2,1: 21:[68, 9] Operation: 13-4=9 Exploring Operation: 68-13=55, Resulting Numbers: [4, 55] Generated Node #0,2,2: 21:[4, 55] Operation: 68-13=55 Exploring Operation: 68/4=17, Resulting Numbers: [13, 17] Generated Node #0,2,3: 21:[13, 17] Operation: 68/4=17 Exploring Operation: 4+13=17, Resulting Numbers: [68, 17] Generated Node #0,2,4: 21:[68, 17] Operation: 4+13=17 Moving to Node #0,2,3 Current State: 21:[13, 17], Operations: ['68-55=13', '68/4=17'] Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 13+17=30, Resulting Numbers: [30] 30,21 unequal: No Solution Exploring Operation: 13*17=221, Resulting Numbers: [221] 221,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[4, 55], Operations: ['68-55=13', '68-13=55'] Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,21 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,21 unequal: No Solution Moving to Node #0,2,0 Current State: 21:[13, 64], Operations: ['68-55=13', '68-4=64'] Exploring Operation: 13*64=832, Resulting Numbers: [832] 832,21 unequal: No Solution Exploring Operation: 13+64=77, Resulting Numbers: [77] 77,21 unequal: No Solution Exploring Operation: 64-13=51, Resulting Numbers: [51] 51,21 unequal: No Solution Moving to Node #0,2,1 Current State: 21:[68, 9], Operations: ['68-55=13', '13-4=9'] Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,21 unequal: No Solution Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,21 unequal: No Solution Exploring Operation: 68*9=612, Resulting Numbers: [612] 612,21 unequal: No Solution Moving to Node #0,2,4 Current State: 21:[68, 17], Operations: ['68-55=13', '4+13=17'] Exploring Operation: 68*17=1156, Resulting Numbers: [1156] 1156,21 unequal: No Solution Exploring Operation: 68-17=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 68/17=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 68+17=85, Resulting Numbers: [85] 85,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[55, 68, 17], Operations: ['68/4=17'] Exploring Operation: 68-17=51, Resulting Numbers: [55, 51] Generated Node #0,0,0: 21:[55, 51] Operation: 68-17=51 Exploring Operation: 68-55=13, Resulting Numbers: [17, 13] Generated Node #0,0,1: 21:[17, 13] Operation: 68-55=13 Exploring Operation: 68/17=4, Resulting Numbers: [55, 4] Generated Node #0,0,2: 21:[55, 4] Operation: 68/17=4 Exploring Operation: 55-17=38, Resulting Numbers: [68, 38] Generated Node #0,0,3: 21:[68, 38] Operation: 55-17=38 Exploring Operation: 55+17=72, Resulting Numbers: [68, 72] Generated Node #0,0,4: 21:[68, 72] Operation: 55+17=72 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 21:[17, 13], Operations: ['68/4=17', '68-55=13'] Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,21 unequal: No Solution Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 21:[55, 4], Operations: ['68/4=17', '68/17=4'] Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,21 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[55, 51], Operations: ['68/4=17', '68-17=51'] Exploring Operation: 55+51=106, Resulting Numbers: [106] 106,21 unequal: No Solution Exploring Operation: 55*51=2805, Resulting Numbers: [2805] 2805,21 unequal: No Solution Exploring Operation: 55-51=4, Resulting Numbers: [4] 4,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 21:[68, 38], Operations: ['68/4=17', '55-17=38'] Exploring Operation: 68+38=106, Resulting Numbers: [106] 106,21 unequal: No Solution Exploring Operation: 68*38=2584, Resulting Numbers: [2584] 2584,21 unequal: No Solution Exploring Operation: 68-38=30, Resulting Numbers: [30] 30,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 21:[68, 72], Operations: ['68/4=17', '55+17=72'] Exploring Operation: 72-68=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 68*72=4896, Resulting Numbers: [4896] 4896,21 unequal: No Solution Exploring Operation: 68+72=140, Resulting Numbers: [140] 140,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 99, 58, 14, 33 ]
22
[ "99-58=41", "33-14=19", "41-19=22" ]
Current State: 22:[99, 58, 14, 33], Operations: [] Exploring Operation: 99-58=41, Resulting Numbers: [14, 33, 41] Generated Node #2: [14, 33, 41] from Operation: 99-58=41 Current State: 22:[14, 33, 41], Operations: ['99-58=41'] Exploring Operation: 33-14=19, Resulting Numbers: [41, 19] Generated Node #3: [41, 19] from Operation: 33-14=19 Current State: 22:[41, 19], Operations: ['99-58=41', '33-14=19'] Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[99, 58, 14, 33], Operations: [] Exploring Operation: 99-58=41, Resulting Numbers: [14, 33, 41] Generated Node #0,0: 22:[14, 33, 41] Operation: 99-58=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[14, 33, 41], Operations: ['99-58=41'] Exploring Operation: 41-33=8, Resulting Numbers: [14, 8] Generated Node #0,0,0: 22:[14, 8] Operation: 41-33=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[14, 8], Operations: ['99-58=41', '41-33=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[99, 58, 14, 33], Operations: [] Exploring Operation: 99-58=41, Resulting Numbers: [14, 33, 41] Generated Node #0,0: 22:[14, 33, 41] Operation: 99-58=41 Moving to Node #0,0 Current State: 22:[14, 33, 41], Operations: ['99-58=41'] Exploring Operation: 41-33=8, Resulting Numbers: [14, 8] Generated Node #0,0,0: 22:[14, 8] Operation: 41-33=8 Moving to Node #0,0,0 Current State: 22:[14, 8], Operations: ['99-58=41', '41-33=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 97, 10, 93, 83 ]
75
[ "97+83=180", "180/10=18", "93-18=75" ]
Current State: 75:[97, 10, 93, 83], Operations: [] Exploring Operation: 97+83=180, Resulting Numbers: [10, 93, 180] Generated Node #2: [10, 93, 180] from Operation: 97+83=180 Current State: 75:[10, 93, 180], Operations: ['97+83=180'] Exploring Operation: 180/10=18, Resulting Numbers: [93, 18] Generated Node #3: [93, 18] from Operation: 180/10=18 Current State: 75:[93, 18], Operations: ['97+83=180', '180/10=18'] Exploring Operation: 93-18=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[97, 10, 93, 83], Operations: [] Exploring Operation: 93-10=83, Resulting Numbers: [97, 83, 83] Generated Node #0,0: 75:[97, 83, 83] Operation: 93-10=83 Exploring Operation: 97-93=4, Resulting Numbers: [10, 83, 4] Generated Node #0,1: 75:[10, 83, 4] Operation: 97-93=4 Exploring Operation: 97-10=87, Resulting Numbers: [93, 83, 87] Generated Node #0,2: 75:[93, 83, 87] Operation: 97-10=87 Exploring Operation: 93-83=10, Resulting Numbers: [97, 10, 10] Generated Node #0,3: 75:[97, 10, 10] Operation: 93-83=10 Exploring Operation: 97-83=14, Resulting Numbers: [10, 93, 14] Generated Node #0,4: 75:[10, 93, 14] Operation: 97-83=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[10, 83, 4], Operations: ['97-93=4'] Exploring Operation: 83-10=73, Resulting Numbers: [4, 73] Generated Node #0,1,0: 75:[4, 73] Operation: 83-10=73 Exploring Operation: 83-4=79, Resulting Numbers: [10, 79] Generated Node #0,1,1: 75:[10, 79] Operation: 83-4=79 Exploring Operation: 83+4=87, Resulting Numbers: [10, 87] Generated Node #0,1,2: 75:[10, 87] Operation: 83+4=87 Exploring Operation: 10-4=6, Resulting Numbers: [83, 6] Generated Node #0,1,3: 75:[83, 6] Operation: 10-4=6 Exploring Operation: 10+4=14, Resulting Numbers: [83, 14] Generated Node #0,1,4: 75:[83, 14] Operation: 10+4=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[4, 73], Operations: ['97-93=4', '83-10=73'] Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,75 unequal: No Solution Exploring Operation: 4+73=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 4*73=292, Resulting Numbers: [292] 292,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[10, 79], Operations: ['97-93=4', '83-4=79'] Exploring Operation: 10+79=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 79-10=69, Resulting Numbers: [69] 69,75 unequal: No Solution Exploring Operation: 10*79=790, Resulting Numbers: [790] 790,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 75:[83, 6], Operations: ['97-93=4', '10-4=6'] Exploring Operation: 83*6=498, Resulting Numbers: [498] 498,75 unequal: No Solution Exploring Operation: 83+6=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 75:[83, 14], Operations: ['97-93=4', '10+4=14'] Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,75 unequal: No Solution Exploring Operation: 83*14=1162, Resulting Numbers: [1162] 1162,75 unequal: No Solution Exploring Operation: 83+14=97, Resulting Numbers: [97] 97,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 75:[10, 87], Operations: ['97-93=4', '83+4=87'] Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 10*87=870, Resulting Numbers: [870] 870,75 unequal: No Solution Exploring Operation: 10+87=97, Resulting Numbers: [97] 97,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[10, 93, 14], Operations: ['97-83=14'] Exploring Operation: 14-10=4, Resulting Numbers: [93, 4] Generated Node #0,4,0: 75:[93, 4] Operation: 14-10=4 Exploring Operation: 10+14=24, Resulting Numbers: [93, 24] Generated Node #0,4,1: 75:[93, 24] Operation: 10+14=24 Exploring Operation: 10+93=103, Resulting Numbers: [14, 103] Generated Node #0,4,2: 75:[14, 103] Operation: 10+93=103 Exploring Operation: 93-10=83, Resulting Numbers: [14, 83] Generated Node #0,4,3: 75:[14, 83] Operation: 93-10=83 Exploring Operation: 93-14=79, Resulting Numbers: [10, 79] Generated Node #0,4,4: 75:[10, 79] Operation: 93-14=79 Moving to Node #0,4,3 Current State: 75:[14, 83], Operations: ['97-83=14', '93-10=83'] Exploring Operation: 14*83=1162, Resulting Numbers: [1162] 1162,75 unequal: No Solution Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,75 unequal: No Solution Exploring Operation: 14+83=97, Resulting Numbers: [97] 97,75 unequal: No Solution Moving to Node #0,4,4 Current State: 75:[10, 79], Operations: ['97-83=14', '93-14=79'] Exploring Operation: 10+79=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 10*79=790, Resulting Numbers: [790] 790,75 unequal: No Solution Exploring Operation: 79-10=69, Resulting Numbers: [69] 69,75 unequal: No Solution Moving to Node #0,4,0 Current State: 75:[93, 4], Operations: ['97-83=14', '14-10=4'] Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 93-4=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 93*4=372, Resulting Numbers: [372] 372,75 unequal: No Solution Moving to Node #0,4,1 Current State: 75:[93, 24], Operations: ['97-83=14', '10+14=24'] Exploring Operation: 93*24=2232, Resulting Numbers: [2232] 2232,75 unequal: No Solution Exploring Operation: 93-24=69, Resulting Numbers: [69] 69,75 unequal: No Solution Exploring Operation: 93+24=117, Resulting Numbers: [117] 117,75 unequal: No Solution Moving to Node #0,4,2 Current State: 75:[14, 103], Operations: ['97-83=14', '10+93=103'] Exploring Operation: 103-14=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 14+103=117, Resulting Numbers: [117] 117,75 unequal: No Solution Exploring Operation: 14*103=1442, Resulting Numbers: [1442] 1442,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[97, 10, 10], Operations: ['93-83=10'] Exploring Operation: 97-10=87, Resulting Numbers: [10, 87] Generated Node #0,3,0: 75:[10, 87] Operation: 97-10=87 Exploring Operation: 10/10=1, Resulting Numbers: [97, 1] Generated Node #0,3,1: 75:[97, 1] Operation: 10/10=1 Exploring Operation: 10+10=20, Resulting Numbers: [97, 20] Generated Node #0,3,2: 75:[97, 20] Operation: 10+10=20 Exploring Operation: 97-10=87, Resulting Numbers: [10, 87] Generated Node #0,3,3: 75:[10, 87] Operation: 97-10=87 Exploring Operation: 10-10=0, Resulting Numbers: [97, 0] Generated Node #0,3,4: 75:[97, 0] Operation: 10-10=0 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 75:[10, 87], Operations: ['93-83=10', '97-10=87'] Exploring Operation: 10*87=870, Resulting Numbers: [870] 870,75 unequal: No Solution Exploring Operation: 10+87=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 75:[10, 87], Operations: ['93-83=10', '97-10=87'] Exploring Operation: 10+87=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 10*87=870, Resulting Numbers: [870] 870,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 75:[97, 1], Operations: ['93-83=10', '10/10=1'] Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 97+1=98, Resulting Numbers: [98] 98,75 unequal: No Solution Exploring Operation: 97/1=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 75:[97, 0], Operations: ['93-83=10', '10-10=0'] Exploring Operation: 97*0=0, Resulting Numbers: [0] 0,75 unequal: No Solution Exploring Operation: 97-0=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 97+0=97, Resulting Numbers: [97] 97,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 75:[97, 20], Operations: ['93-83=10', '10+10=20'] Exploring Operation: 97-20=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 97+20=117, Resulting Numbers: [117] 117,75 unequal: No Solution Exploring Operation: 97*20=1940, Resulting Numbers: [1940] 1940,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[97, 83, 83], Operations: ['93-10=83'] Exploring Operation: 97-83=14, Resulting Numbers: [83, 14] Generated Node #0,0,0: 75:[83, 14] Operation: 97-83=14 Exploring Operation: 83/83=1, Resulting Numbers: [97, 1] Generated Node #0,0,1: 75:[97, 1] Operation: 83/83=1 Exploring Operation: 83-83=0, Resulting Numbers: [97, 0] Generated Node #0,0,2: 75:[97, 0] Operation: 83-83=0 Exploring Operation: 97+83=180, Resulting Numbers: [83, 180] Generated Node #0,0,3: 75:[83, 180] Operation: 97+83=180 Exploring Operation: 97-83=14, Resulting Numbers: [83, 14] Generated Node #0,0,4: 75:[83, 14] Operation: 97-83=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[83, 14], Operations: ['93-10=83', '97-83=14'] Exploring Operation: 83*14=1162, Resulting Numbers: [1162] 1162,75 unequal: No Solution Exploring Operation: 83+14=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 75:[83, 14], Operations: ['93-10=83', '97-83=14'] Exploring Operation: 83*14=1162, Resulting Numbers: [1162] 1162,75 unequal: No Solution Exploring Operation: 83+14=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 75:[97, 1], Operations: ['93-10=83', '83/83=1'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,75 unequal: No Solution Exploring Operation: 97/1=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 97+1=98, Resulting Numbers: [98] 98,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 75:[97, 0], Operations: ['93-10=83', '83-83=0'] Exploring Operation: 97+0=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 97*0=0, Resulting Numbers: [0] 0,75 unequal: No Solution Exploring Operation: 97-0=97, Resulting Numbers: [97] 97,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 75:[83, 180], Operations: ['93-10=83', '97+83=180'] Exploring Operation: 180-83=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 83*180=14940, Resulting Numbers: [14940] 14940,75 unequal: No Solution Exploring Operation: 83+180=263, Resulting Numbers: [263] 263,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[93, 83, 87], Operations: ['97-10=87'] Exploring Operation: 93+83=176, Resulting Numbers: [87, 176] Generated Node #0,2,0: 75:[87, 176] Operation: 93+83=176 Exploring Operation: 93-87=6, Resulting Numbers: [83, 6] Generated Node #0,2,1: 75:[83, 6] Operation: 93-87=6 Exploring Operation: 93-83=10, Resulting Numbers: [87, 10] Generated Node #0,2,2: 75:[87, 10] Operation: 93-83=10 Exploring Operation: 87-83=4, Resulting Numbers: [93, 4] Generated Node #0,2,3: 75:[93, 4] Operation: 87-83=4 Exploring Operation: 93+87=180, Resulting Numbers: [83, 180] Generated Node #0,2,4: 75:[83, 180] Operation: 93+87=180 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 75:[83, 6], Operations: ['97-10=87', '93-87=6'] Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 83+6=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 83*6=498, Resulting Numbers: [498] 498,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 75:[87, 10], Operations: ['97-10=87', '93-83=10'] Exploring Operation: 87+10=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 87*10=870, Resulting Numbers: [870] 870,75 unequal: No Solution Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 75:[93, 4], Operations: ['97-10=87', '87-83=4'] Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 93*4=372, Resulting Numbers: [372] 372,75 unequal: No Solution Exploring Operation: 93-4=89, Resulting Numbers: [89] 89,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 75:[87, 176], Operations: ['97-10=87', '93+83=176'] Exploring Operation: 176-87=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 87*176=15312, Resulting Numbers: [15312] 15312,75 unequal: No Solution Exploring Operation: 87+176=263, Resulting Numbers: [263] 263,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 75:[83, 180], Operations: ['97-10=87', '93+87=180'] Exploring Operation: 180-83=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 83+180=263, Resulting Numbers: [263] 263,75 unequal: No Solution Exploring Operation: 83*180=14940, Resulting Numbers: [14940] 14940,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 1, 53, 76, 71 ]
49
[ "1+53=54", "76-71=5", "54-5=49" ]
Current State: 49:[1, 53, 76, 71], Operations: [] Exploring Operation: 1+53=54, Resulting Numbers: [76, 71, 54] Generated Node #2: [76, 71, 54] from Operation: 1+53=54 Current State: 49:[76, 71, 54], Operations: ['1+53=54'] Exploring Operation: 76-71=5, Resulting Numbers: [54, 5] Generated Node #3: [54, 5] from Operation: 76-71=5 Current State: 49:[54, 5], Operations: ['1+53=54', '76-71=5'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[1, 53, 76, 71], Operations: [] Exploring Operation: 53-1=52, Resulting Numbers: [76, 71, 52] Generated Node #0,0: 49:[76, 71, 52] Operation: 53-1=52 Exploring Operation: 76-1=75, Resulting Numbers: [53, 71, 75] Generated Node #0,1: 49:[53, 71, 75] Operation: 76-1=75 Exploring Operation: 76-71=5, Resulting Numbers: [1, 53, 5] Generated Node #0,2: 49:[1, 53, 5] Operation: 76-71=5 Exploring Operation: 71-53=18, Resulting Numbers: [1, 76, 18] Generated Node #0,3: 49:[1, 76, 18] Operation: 71-53=18 Exploring Operation: 76-53=23, Resulting Numbers: [1, 71, 23] Generated Node #0,4: 49:[1, 71, 23] Operation: 76-53=23 Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[1, 53, 5], Operations: ['76-71=5'] Exploring Operation: 53-1=52, Resulting Numbers: [5, 52] Generated Node #0,2,0: 49:[5, 52] Operation: 53-1=52 Exploring Operation: 1*53=53, Resulting Numbers: [5, 53] Generated Node #0,2,1: 49:[5, 53] Operation: 1*53=53 Exploring Operation: 53/1=53, Resulting Numbers: [5, 53] Generated Node #0,2,2: 49:[5, 53] Operation: 53/1=53 Exploring Operation: 1+5=6, Resulting Numbers: [53, 6] Generated Node #0,2,3: 49:[53, 6] Operation: 1+5=6 Exploring Operation: 1*5=5, Resulting Numbers: [53, 5] Generated Node #0,2,4: 49:[53, 5] Operation: 1*5=5 Moving to Node #0,2,0 Current State: 49:[5, 52], Operations: ['76-71=5', '53-1=52'] Exploring Operation: 5+52=57, Resulting Numbers: [57] 57,49 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,49 unequal: No Solution Exploring Operation: 5*52=260, Resulting Numbers: [260] 260,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[53, 6], Operations: ['76-71=5', '1+5=6'] Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,49 unequal: No Solution Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,49 unequal: No Solution Exploring Operation: 53*6=318, Resulting Numbers: [318] 318,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[5, 53], Operations: ['76-71=5', '1*53=53'] Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 5*53=265, Resulting Numbers: [265] 265,49 unequal: No Solution Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[5, 53], Operations: ['76-71=5', '53/1=53'] Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 5*53=265, Resulting Numbers: [265] 265,49 unequal: No Solution Moving to Node #0,2,4 Current State: 49:[53, 5], Operations: ['76-71=5', '1*5=5'] Exploring Operation: 53*5=265, Resulting Numbers: [265] 265,49 unequal: No Solution Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,49 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 #0,3 Current State: 49:[1, 76, 18], Operations: ['71-53=18'] Exploring Operation: 18-1=17, Resulting Numbers: [76, 17] Generated Node #0,3,0: 49:[76, 17] Operation: 18-1=17 Exploring Operation: 76-18=58, Resulting Numbers: [1, 58] Generated Node #0,3,1: 49:[1, 58] Operation: 76-18=58 Exploring Operation: 76/1=76, Resulting Numbers: [18, 76] Generated Node #0,3,2: 49:[18, 76] Operation: 76/1=76 Exploring Operation: 1*76=76, Resulting Numbers: [18, 76] Generated Node #0,3,3: 49:[18, 76] Operation: 1*76=76 Exploring Operation: 76-1=75, Resulting Numbers: [18, 75] Generated Node #0,3,4: 49:[18, 75] Operation: 76-1=75 Moving to Node #0,3,1 Current State: 49:[1, 58], Operations: ['71-53=18', '76-18=58'] Exploring Operation: 1*58=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,49 unequal: No Solution Exploring Operation: 1+58=59, Resulting Numbers: [59] 59,49 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,49 unequal: No Solution Moving to Node #0,3,4 Current State: 49:[18, 75], Operations: ['71-53=18', '76-1=75'] Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,49 unequal: No Solution Exploring Operation: 18*75=1350, Resulting Numbers: [1350] 1350,49 unequal: No Solution Exploring Operation: 18+75=93, Resulting Numbers: [93] 93,49 unequal: No Solution Moving to Node #0,3,0 Current State: 49:[76, 17], Operations: ['71-53=18', '18-1=17'] Exploring Operation: 76-17=59, Resulting Numbers: [59] 59,49 unequal: No Solution Exploring Operation: 76*17=1292, Resulting Numbers: [1292] 1292,49 unequal: No Solution Exploring Operation: 76+17=93, Resulting Numbers: [93] 93,49 unequal: No Solution Moving to Node #0,3,2 Current State: 49:[18, 76], Operations: ['71-53=18', '76/1=76'] Exploring Operation: 18+76=94, Resulting Numbers: [94] 94,49 unequal: No Solution Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 18*76=1368, Resulting Numbers: [1368] 1368,49 unequal: No Solution Moving to Node #0,3,3 Current State: 49:[18, 76], Operations: ['71-53=18', '1*76=76'] Exploring Operation: 18+76=94, Resulting Numbers: [94] 94,49 unequal: No Solution Exploring Operation: 18*76=1368, Resulting Numbers: [1368] 1368,49 unequal: No Solution Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,49 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 #0,4 Current State: 49:[1, 71, 23], Operations: ['76-53=23'] Exploring Operation: 71-23=48, Resulting Numbers: [1, 48] Generated Node #0,4,0: 49:[1, 48] Operation: 71-23=48 Exploring Operation: 23-1=22, Resulting Numbers: [71, 22] Generated Node #0,4,1: 49:[71, 22] Operation: 23-1=22 Exploring Operation: 1*71=71, Resulting Numbers: [23, 71] Generated Node #0,4,2: 49:[23, 71] Operation: 1*71=71 Exploring Operation: 71/1=71, Resulting Numbers: [23, 71] Generated Node #0,4,3: 49:[23, 71] Operation: 71/1=71 Exploring Operation: 71-1=70, Resulting Numbers: [23, 70] Generated Node #0,4,4: 49:[23, 70] Operation: 71-1=70 Moving to Node #0,4,0 Current State: 49:[1, 48], Operations: ['76-53=23', '71-23=48'] Exploring Operation: 1*48=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[1, 53, 76, 71], Operations: [] Exploring Operation: 76-53=23, Resulting Numbers: [1, 71, 23] Generated Node #0,4: 49:[1, 71, 23] Operation: 76-53=23 Moving to Node #0,4 Current State: 49:[1, 71, 23], Operations: ['76-53=23'] Exploring Operation: 71-23=48, Resulting Numbers: [1, 48] Generated Node #0,4,0: 49:[1, 48] Operation: 71-23=48 Moving to Node #0,4,0 Current State: 49:[1, 48], Operations: ['76-53=23', '71-23=48'] Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.949653
hs_5
sum_heuristic
[ 37, 57, 1, 81 ]
54
[ "37+1=38", "81*38=3078", "3078/57=54" ]
Current State: 54:[37, 57, 1, 81], Operations: [] Exploring Operation: 37+1=38, Resulting Numbers: [57, 81, 38] Generated Node #2: [57, 81, 38] from Operation: 37+1=38 Current State: 54:[57, 81, 38], Operations: ['37+1=38'] Exploring Operation: 81*38=3078, Resulting Numbers: [57, 3078] Generated Node #3: [57, 3078] from Operation: 81*38=3078 Current State: 54:[57, 3078], Operations: ['37+1=38', '81*38=3078'] Exploring Operation: 3078/57=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[37, 57, 1, 81], Operations: [] Exploring Operation: 81-37=44, Resulting Numbers: [57, 1, 44] Generated Node #0,0: 54:[57, 1, 44] Operation: 81-37=44 Exploring Operation: 81-57=24, Resulting Numbers: [37, 1, 24] Generated Node #0,1: 54:[37, 1, 24] Operation: 81-57=24 Exploring Operation: 57-37=20, Resulting Numbers: [1, 81, 20] Generated Node #0,2: 54:[1, 81, 20] Operation: 57-37=20 Moving to Node #0,0 Current State: 54:[57, 1, 44], Operations: ['81-37=44'] Exploring Operation: 1+44=45, Resulting Numbers: [57, 45] Generated Node #0,0,0: 54:[57, 45] Operation: 1+44=45 Exploring Operation: 57-1=56, Resulting Numbers: [44, 56] Generated Node #0,0,1: 54:[44, 56] Operation: 57-1=56 Exploring Operation: 57-44=13, Resulting Numbers: [1, 13] Generated Node #0,0,2: 54:[1, 13] Operation: 57-44=13 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 54:[1, 13], Operations: ['81-37=44', '57-44=13'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[57, 45], Operations: ['81-37=44', '1+44=45'] Exploring Operation: 57*45=2565, Resulting Numbers: [2565] 2565,54 unequal: No Solution Exploring Operation: 57+45=102, Resulting Numbers: [102] 102,54 unequal: No Solution Exploring Operation: 57-45=12, Resulting Numbers: [12] 12,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[44, 56], Operations: ['81-37=44', '57-1=56'] Exploring Operation: 44+56=100, Resulting Numbers: [100] 100,54 unequal: No Solution Exploring Operation: 44*56=2464, Resulting Numbers: [2464] 2464,54 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,54 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: 54:[37, 1, 24], Operations: ['81-57=24'] Exploring Operation: 37-1=36, Resulting Numbers: [24, 36] Generated Node #0,1,0: 54:[24, 36] Operation: 37-1=36 Exploring Operation: 37-24=13, Resulting Numbers: [1, 13] Generated Node #0,1,1: 54:[1, 13] Operation: 37-24=13 Exploring Operation: 37+24=61, Resulting Numbers: [1, 61] Generated Node #0,1,2: 54:[1, 61] Operation: 37+24=61 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 54:[1, 13], Operations: ['81-57=24', '37-24=13'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 54:[1, 61], Operations: ['81-57=24', '37+24=61'] Exploring Operation: 1*61=61, Resulting Numbers: [61] 61,54 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,54 unequal: No Solution Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 54:[24, 36], Operations: ['81-57=24', '37-1=36'] Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,54 unequal: No Solution Exploring Operation: 24*36=864, Resulting Numbers: [864] 864,54 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,54 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: 54:[1, 81, 20], Operations: ['57-37=20'] Exploring Operation: 81-1=80, Resulting Numbers: [20, 80] Generated Node #0,2,0: 54:[20, 80] Operation: 81-1=80 Exploring Operation: 81-20=61, Resulting Numbers: [1, 61] Generated Node #0,2,1: 54:[1, 61] Operation: 81-20=61 Exploring Operation: 20-1=19, Resulting Numbers: [81, 19] Generated Node #0,2,2: 54:[81, 19] Operation: 20-1=19 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 54:[1, 61], Operations: ['57-37=20', '81-20=61'] Exploring Operation: 1*61=61, Resulting Numbers: [61] 61,54 unequal: No Solution Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,54 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 54:[20, 80], Operations: ['57-37=20', '81-1=80'] Exploring Operation: 80-20=60, Resulting Numbers: [60] 60,54 unequal: No Solution Exploring Operation: 80/20=4, Resulting Numbers: [4] 4,54 unequal: No Solution Exploring Operation: 20+80=100, Resulting Numbers: [100] 100,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 54:[81, 19], Operations: ['57-37=20', '20-1=19'] Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,54 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,54 unequal: No Solution Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,54 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
[ 71, 95, 7, 99 ]
82
[ "95-71=24", "7+99=106", "106-24=82" ]
Current State: 82:[71, 95, 7, 99], Operations: [] Exploring Operation: 95-71=24, Resulting Numbers: [7, 99, 24] Generated Node #2: [7, 99, 24] from Operation: 95-71=24 Current State: 82:[7, 99, 24], Operations: ['95-71=24'] Exploring Operation: 7+99=106, Resulting Numbers: [24, 106] Generated Node #3: [24, 106] from Operation: 7+99=106 Current State: 82:[24, 106], Operations: ['95-71=24', '7+99=106'] Exploring Operation: 106-24=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[71, 95, 7, 99], Operations: [] Exploring Operation: 99-71=28, Resulting Numbers: [95, 7, 28] Generated Node #0,0: 82:[95, 7, 28] Operation: 99-71=28 Exploring Operation: 71+7=78, Resulting Numbers: [95, 99, 78] Generated Node #0,1: 82:[95, 99, 78] Operation: 71+7=78 Exploring Operation: 99-95=4, Resulting Numbers: [71, 7, 4] Generated Node #0,2: 82:[71, 7, 4] Operation: 99-95=4 Moving to Node #0,2 Current State: 82:[71, 7, 4], Operations: ['99-95=4'] Exploring Operation: 71+7=78, Resulting Numbers: [4, 78] Generated Node #0,2,0: 82:[4, 78] Operation: 71+7=78 Exploring Operation: 7-4=3, Resulting Numbers: [71, 3] Generated Node #0,2,1: 82:[71, 3] Operation: 7-4=3 Exploring Operation: 71+4=75, Resulting Numbers: [7, 75] Generated Node #0,2,2: 82:[7, 75] Operation: 71+4=75 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 82:[4, 78], Operations: ['99-95=4', '71+7=78'] Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,82 unequal: No Solution Exploring Operation: 4*78=312, Resulting Numbers: [312] 312,82 unequal: No Solution Exploring Operation: 4+78=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[71, 95, 7, 99], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [71, 7, 4] Generated Node #0,2: 82:[71, 7, 4] Operation: 99-95=4 Moving to Node #0,2 Current State: 82:[71, 7, 4], Operations: ['99-95=4'] Exploring Operation: 71+7=78, Resulting Numbers: [4, 78] Generated Node #0,2,0: 82:[4, 78] Operation: 71+7=78 Moving to Node #0,2,0 Current State: 82:[4, 78], Operations: ['99-95=4', '71+7=78'] Exploring Operation: 4+78=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 33, 85, 99, 34 ]
14
[ "34-33=1", "99-85=14", "1*14=14" ]
Current State: 14:[33, 85, 99, 34], Operations: [] Exploring Operation: 34-33=1, Resulting Numbers: [85, 99, 1] Generated Node #2: [85, 99, 1] from Operation: 34-33=1 Current State: 14:[85, 99, 1], Operations: ['34-33=1'] Exploring Operation: 99-85=14, Resulting Numbers: [1, 14] Generated Node #3: [1, 14] from Operation: 99-85=14 Current State: 14:[1, 14], Operations: ['34-33=1', '99-85=14'] Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[33, 85, 99, 34], Operations: [] Exploring Operation: 99/33=3, Resulting Numbers: [85, 34, 3] Generated Node #0,0: 14:[85, 34, 3] Operation: 99/33=3 Exploring Operation: 85-34=51, Resulting Numbers: [33, 99, 51] Generated Node #0,1: 14:[33, 99, 51] Operation: 85-34=51 Exploring Operation: 99-85=14, Resulting Numbers: [33, 34, 14] Generated Node #0,2: 14:[33, 34, 14] Operation: 99-85=14 Exploring Operation: 99-34=65, Resulting Numbers: [33, 85, 65] Generated Node #0,3: 14:[33, 85, 65] Operation: 99-34=65 Moving to Node #0,2 Current State: 14:[33, 34, 14], Operations: ['99-85=14'] Exploring Operation: 34-14=20, Resulting Numbers: [33, 20] Generated Node #0,2,0: 14:[33, 20] Operation: 34-14=20 Exploring Operation: 34-33=1, Resulting Numbers: [14, 1] Generated Node #0,2,1: 14:[14, 1] Operation: 34-33=1 Exploring Operation: 33+34=67, Resulting Numbers: [14, 67] Generated Node #0,2,2: 14:[14, 67] Operation: 33+34=67 Exploring Operation: 33-14=19, Resulting Numbers: [34, 19] Generated Node #0,2,3: 14:[34, 19] Operation: 33-14=19 Moving to Node #0,0 Current State: 14:[85, 34, 3], Operations: ['99/33=3'] Exploring Operation: 85-3=82, Resulting Numbers: [34, 82] Generated Node #0,0,0: 14:[34, 82] Operation: 85-3=82 Exploring Operation: 85+3=88, Resulting Numbers: [34, 88] Generated Node #0,0,1: 14:[34, 88] Operation: 85+3=88 Exploring Operation: 34-3=31, Resulting Numbers: [85, 31] Generated Node #0,0,2: 14:[85, 31] Operation: 34-3=31 Exploring Operation: 85-34=51, Resulting Numbers: [3, 51] Generated Node #0,0,3: 14:[3, 51] Operation: 85-34=51 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 14:[3, 51], Operations: ['99/33=3', '85-34=51'] Exploring Operation: 3*51=153, Resulting Numbers: [153] 153,14 unequal: No Solution Exploring Operation: 3+51=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,14 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,14 unequal: No Solution No 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: 14:[34, 82], Operations: ['99/33=3', '85-3=82'] Exploring Operation: 82-34=48, Resulting Numbers: [48] 48,14 unequal: No Solution Exploring Operation: 34+82=116, Resulting Numbers: [116] 116,14 unequal: No Solution Exploring Operation: 34*82=2788, Resulting Numbers: [2788] 2788,14 unequal: No Solution No 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: 14:[85, 31], Operations: ['99/33=3', '34-3=31'] Exploring Operation: 85*31=2635, Resulting Numbers: [2635] 2635,14 unequal: No Solution Exploring Operation: 85+31=116, Resulting Numbers: [116] 116,14 unequal: No Solution Exploring Operation: 85-31=54, Resulting Numbers: [54] 54,14 unequal: No Solution No 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: 14:[34, 88], Operations: ['99/33=3', '85+3=88'] Exploring Operation: 34*88=2992, Resulting Numbers: [2992] 2992,14 unequal: No Solution Exploring Operation: 88-34=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 34+88=122, Resulting Numbers: [122] 122,14 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: 14:[33, 85, 65], Operations: ['99-34=65'] Exploring Operation: 85-65=20, Resulting Numbers: [33, 20] Generated Node #0,3,0: 14:[33, 20] Operation: 85-65=20 Exploring Operation: 33+85=118, Resulting Numbers: [65, 118] Generated Node #0,3,1: 14:[65, 118] Operation: 33+85=118 Exploring Operation: 85-33=52, Resulting Numbers: [65, 52] Generated Node #0,3,2: 14:[65, 52] Operation: 85-33=52 Exploring Operation: 65-33=32, Resulting Numbers: [85, 32] Generated Node #0,3,3: 14:[85, 32] Operation: 65-33=32 Moving to Node #0,1 Current State: 14:[33, 99, 51], Operations: ['85-34=51'] Exploring Operation: 99-51=48, Resulting Numbers: [33, 48] Generated Node #0,1,0: 14:[33, 48] Operation: 99-51=48 Exploring Operation: 99/33=3, Resulting Numbers: [51, 3] Generated Node #0,1,1: 14:[51, 3] Operation: 99/33=3 Exploring Operation: 51-33=18, Resulting Numbers: [99, 18] Generated Node #0,1,2: 14:[99, 18] Operation: 51-33=18 Exploring Operation: 99-33=66, Resulting Numbers: [51, 66] Generated Node #0,1,3: 14:[51, 66] Operation: 99-33=66 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[51, 3], Operations: ['85-34=51', '99/33=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,14 unequal: No Solution Exploring Operation: 51*3=153, Resulting Numbers: [153] 153,14 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,14 unequal: No Solution Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,14 unequal: No Solution No 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: 14:[33, 48], Operations: ['85-34=51', '99-51=48'] Exploring Operation: 33+48=81, Resulting Numbers: [81] 81,14 unequal: No Solution Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 33*48=1584, Resulting Numbers: [1584] 1584,14 unequal: No Solution No 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: 14:[99, 18], Operations: ['85-34=51', '51-33=18'] Exploring Operation: 99-18=81, Resulting Numbers: [81] 81,14 unequal: No Solution Exploring Operation: 99*18=1782, Resulting Numbers: [1782] 1782,14 unequal: No Solution Exploring Operation: 99+18=117, Resulting Numbers: [117] 117,14 unequal: No Solution No 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: 14:[51, 66], Operations: ['85-34=51', '99-33=66'] Exploring Operation: 66-51=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 51+66=117, Resulting Numbers: [117] 117,14 unequal: No Solution Exploring Operation: 51*66=3366, Resulting Numbers: [3366] 3366,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 14:[14, 1], Operations: ['99-85=14', '34-33=1'] Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[33, 85, 99, 34], Operations: [] Exploring Operation: 99-85=14, Resulting Numbers: [33, 34, 14] Generated Node #0,2: 14:[33, 34, 14] Operation: 99-85=14 Moving to Node #0,2 Current State: 14:[33, 34, 14], Operations: ['99-85=14'] Exploring Operation: 34-33=1, Resulting Numbers: [14, 1] Generated Node #0,2,1: 14:[14, 1] Operation: 34-33=1 Moving to Node #0,2,1 Current State: 14:[14, 1], Operations: ['99-85=14', '34-33=1'] Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.954861
hs_4
sum_heuristic
[ 83, 92, 65, 35 ]
21
[ "92-83=9", "65-35=30", "30-9=21" ]
Current State: 21:[83, 92, 65, 35], Operations: [] Exploring Operation: 92-83=9, Resulting Numbers: [65, 35, 9] Generated Node #2: [65, 35, 9] from Operation: 92-83=9 Current State: 21:[65, 35, 9], Operations: ['92-83=9'] Exploring Operation: 65-35=30, Resulting Numbers: [9, 30] Generated Node #3: [9, 30] from Operation: 65-35=30 Current State: 21:[9, 30], Operations: ['92-83=9', '65-35=30'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[83, 92, 65, 35], Operations: [] Exploring Operation: 92-83=9, Resulting Numbers: [65, 35, 9] Generated Node #0,0: 21:[65, 35, 9] Operation: 92-83=9 Exploring Operation: 83-65=18, Resulting Numbers: [92, 35, 18] Generated Node #0,1: 21:[92, 35, 18] Operation: 83-65=18 Exploring Operation: 92-65=27, Resulting Numbers: [83, 35, 27] Generated Node #0,2: 21:[83, 35, 27] Operation: 92-65=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[65, 35, 9], Operations: ['92-83=9'] Exploring Operation: 35-9=26, Resulting Numbers: [65, 26] Generated Node #0,0,0: 21:[65, 26] Operation: 35-9=26 Exploring Operation: 65-9=56, Resulting Numbers: [35, 56] Generated Node #0,0,1: 21:[35, 56] Operation: 65-9=56 Exploring Operation: 65-35=30, Resulting Numbers: [9, 30] Generated Node #0,0,2: 21:[9, 30] Operation: 65-35=30 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 21:[9, 30], Operations: ['92-83=9', '65-35=30'] Exploring Operation: 9*30=270, Resulting Numbers: [270] 270,21 unequal: No Solution Exploring Operation: 9+30=39, Resulting Numbers: [39] 39,21 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[83, 92, 65, 35], Operations: [] Exploring Operation: 92-83=9, Resulting Numbers: [65, 35, 9] Generated Node #0,0: 21:[65, 35, 9] Operation: 92-83=9 Moving to Node #0,0 Current State: 21:[65, 35, 9], Operations: ['92-83=9'] Exploring Operation: 65-35=30, Resulting Numbers: [9, 30] Generated Node #0,0,2: 21:[9, 30] Operation: 65-35=30 Moving to Node #0,0,2 Current State: 21:[9, 30], Operations: ['92-83=9', '65-35=30'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 44, 61, 5, 26 ]
39
[ "61+5=66", "26*66=1716", "1716/44=39" ]
Current State: 39:[44, 61, 5, 26], Operations: [] Exploring Operation: 61+5=66, Resulting Numbers: [44, 26, 66] Generated Node #2: [44, 26, 66] from Operation: 61+5=66 Current State: 39:[44, 26, 66], Operations: ['61+5=66'] Exploring Operation: 26*66=1716, Resulting Numbers: [44, 1716] Generated Node #3: [44, 1716] from Operation: 26*66=1716 Current State: 39:[44, 1716], Operations: ['61+5=66', '26*66=1716'] Exploring Operation: 1716/44=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[44, 61, 5, 26], Operations: [] Exploring Operation: 44-5=39, Resulting Numbers: [61, 26, 39] Generated Node #0,0: 39:[61, 26, 39] Operation: 44-5=39 Exploring Operation: 61-5=56, Resulting Numbers: [44, 26, 56] Generated Node #0,1: 39:[44, 26, 56] Operation: 61-5=56 Exploring Operation: 61-44=17, Resulting Numbers: [5, 26, 17] Generated Node #0,2: 39:[5, 26, 17] Operation: 61-44=17 Exploring Operation: 44-26=18, Resulting Numbers: [61, 5, 18] Generated Node #0,3: 39:[61, 5, 18] Operation: 44-26=18 Exploring Operation: 61-26=35, Resulting Numbers: [44, 5, 35] Generated Node #0,4: 39:[44, 5, 35] Operation: 61-26=35 Moving to Node #0,4 Current State: 39:[44, 5, 35], Operations: ['61-26=35'] Exploring Operation: 44+5=49, Resulting Numbers: [35, 49] Generated Node #0,4,0: 39:[35, 49] Operation: 44+5=49 Exploring Operation: 5+35=40, Resulting Numbers: [44, 40] Generated Node #0,4,1: 39:[44, 40] Operation: 5+35=40 Exploring Operation: 44-35=9, Resulting Numbers: [5, 9] Generated Node #0,4,2: 39:[5, 9] Operation: 44-35=9 Exploring Operation: 35/5=7, Resulting Numbers: [44, 7] Generated Node #0,4,3: 39:[44, 7] Operation: 35/5=7 Exploring Operation: 44-5=39, Resulting Numbers: [35, 39] Generated Node #0,4,4: 39:[35, 39] Operation: 44-5=39 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 39:[35, 39], Operations: ['61-26=35', '44-5=39'] Exploring Operation: 35*39=1365, Resulting Numbers: [1365] 1365,39 unequal: No Solution Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 35+39=74, Resulting Numbers: [74] 74,39 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 #0,4,1 Current State: 39:[44, 40], Operations: ['61-26=35', '5+35=40'] Exploring Operation: 44+40=84, Resulting Numbers: [84] 84,39 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 44*40=1760, Resulting Numbers: [1760] 1760,39 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 #0,4,2 Current State: 39:[5, 9], Operations: ['61-26=35', '44-35=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,39 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 #0,4,3 Current State: 39:[44, 7], Operations: ['61-26=35', '35/5=7'] Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,39 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,39 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,39 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 #0,4,0 Current State: 39:[35, 49], Operations: ['61-26=35', '44+5=49'] Exploring Operation: 49-35=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 35+49=84, Resulting Numbers: [84] 84,39 unequal: No Solution Exploring Operation: 35*49=1715, Resulting Numbers: [1715] 1715,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 39:[5, 26, 17], Operations: ['61-44=17'] Exploring Operation: 5+26=31, Resulting Numbers: [17, 31] Generated Node #0,2,0: 39:[17, 31] Operation: 5+26=31 Exploring Operation: 26+17=43, Resulting Numbers: [5, 43] Generated Node #0,2,1: 39:[5, 43] Operation: 26+17=43 Exploring Operation: 26-17=9, Resulting Numbers: [5, 9] Generated Node #0,2,2: 39:[5, 9] Operation: 26-17=9 Exploring Operation: 17-5=12, Resulting Numbers: [26, 12] Generated Node #0,2,3: 39:[26, 12] Operation: 17-5=12 Exploring Operation: 26-5=21, Resulting Numbers: [17, 21] Generated Node #0,2,4: 39:[17, 21] Operation: 26-5=21 Moving to Node #0,3 Current State: 39:[61, 5, 18], Operations: ['44-26=18'] Exploring Operation: 18-5=13, Resulting Numbers: [61, 13] Generated Node #0,3,0: 39:[61, 13] Operation: 18-5=13 Exploring Operation: 5+18=23, Resulting Numbers: [61, 23] Generated Node #0,3,1: 39:[61, 23] Operation: 5+18=23 Exploring Operation: 61-18=43, Resulting Numbers: [5, 43] Generated Node #0,3,2: 39:[5, 43] Operation: 61-18=43 Exploring Operation: 61+5=66, Resulting Numbers: [18, 66] Generated Node #0,3,3: 39:[18, 66] Operation: 61+5=66 Exploring Operation: 61-5=56, Resulting Numbers: [18, 56] Generated Node #0,3,4: 39:[18, 56] Operation: 61-5=56 Moving to Node #0,0 Current State: 39:[61, 26, 39], Operations: ['44-5=39'] Exploring Operation: 61-39=22, Resulting Numbers: [26, 22] Generated Node #0,0,0: 39:[26, 22] Operation: 61-39=22 Exploring Operation: 39-26=13, Resulting Numbers: [61, 13] Generated Node #0,0,1: 39:[61, 13] Operation: 39-26=13 Exploring Operation: 61+26=87, Resulting Numbers: [39, 87] Generated Node #0,0,2: 39:[39, 87] Operation: 61+26=87 Exploring Operation: 26+39=65, Resulting Numbers: [61, 65] Generated Node #0,0,3: 39:[61, 65] Operation: 26+39=65 Exploring Operation: 61-26=35, Resulting Numbers: [39, 35] Generated Node #0,0,4: 39:[39, 35] Operation: 61-26=35 Moving to Node #0,1 Current State: 39:[44, 26, 56], Operations: ['61-5=56'] Exploring Operation: 44-26=18, Resulting Numbers: [56, 18] Generated Node #0,1,0: 39:[56, 18] Operation: 44-26=18 Exploring Operation: 56-44=12, Resulting Numbers: [26, 12] Generated Node #0,1,1: 39:[26, 12] Operation: 56-44=12 Exploring Operation: 56-26=30, Resulting Numbers: [44, 30] Generated Node #0,1,2: 39:[44, 30] Operation: 56-26=30 Exploring Operation: 26+56=82, Resulting Numbers: [44, 82] Generated Node #0,1,3: 39:[44, 82] Operation: 26+56=82 Exploring Operation: 44+26=70, Resulting Numbers: [56, 70] Generated Node #0,1,4: 39:[56, 70] Operation: 44+26=70 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[26, 12], Operations: ['61-5=56', '56-44=12'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,39 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 #0,1,2 Current State: 39:[44, 30], Operations: ['61-5=56', '56-26=30'] Exploring Operation: 44*30=1320, Resulting Numbers: [1320] 1320,39 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[56, 18], Operations: ['61-5=56', '44-26=18'] Exploring Operation: 56*18=1008, Resulting Numbers: [1008] 1008,39 unequal: No Solution Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,39 unequal: No Solution Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,39 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 #0,1,3 Current State: 39:[44, 82], Operations: ['61-5=56', '26+56=82'] Exploring Operation: 82-44=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 44*82=3608, Resulting Numbers: [3608] 3608,39 unequal: No Solution Exploring Operation: 44+82=126, Resulting Numbers: [126] 126,39 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 #0,1,4 Current State: 39:[56, 70], Operations: ['61-5=56', '44+26=70'] Exploring Operation: 56+70=126, Resulting Numbers: [126] 126,39 unequal: No Solution Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 56*70=3920, Resulting Numbers: [3920] 3920,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,4 Current State: 39:[39, 35], Operations: ['44-5=39', '61-26=35'] Exploring Operation: 39+35=74, Resulting Numbers: [74] 74,39 unequal: No Solution Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 39*35=1365, Resulting Numbers: [1365] 1365,39 unequal: No Solution Moving to Node #0,3,2 Current State: 39:[5, 43], Operations: ['44-26=18', '61-18=43'] Exploring Operation: 5+43=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 5*43=215, Resulting Numbers: [215] 215,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[5, 43], Operations: ['61-44=17', '26+17=43'] Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 5+43=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 5*43=215, Resulting Numbers: [215] 215,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[5, 9], Operations: ['61-44=17', '26-17=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[17, 31], Operations: ['61-44=17', '5+26=31'] Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 17*31=527, Resulting Numbers: [527] 527,39 unequal: No Solution Moving to Node #0,2,4 Current State: 39:[17, 21], Operations: ['61-44=17', '26-5=21'] Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 17*21=357, Resulting Numbers: [357] 357,39 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[26, 12], Operations: ['61-44=17', '17-5=12'] Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,39 unequal: No Solution Moving to Node #0,3,0 Current State: 39:[61, 13], Operations: ['44-26=18', '18-5=13'] Exploring Operation: 61-13=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 61+13=74, Resulting Numbers: [74] 74,39 unequal: No Solution Exploring Operation: 61*13=793, Resulting Numbers: [793] 793,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[26, 22], Operations: ['44-5=39', '61-39=22'] Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 26*22=572, Resulting Numbers: [572] 572,39 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[61, 13], Operations: ['44-5=39', '39-26=13'] Exploring Operation: 61+13=74, Resulting Numbers: [74] 74,39 unequal: No Solution Exploring Operation: 61-13=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 61*13=793, Resulting Numbers: [793] 793,39 unequal: No Solution Moving to Node #0,3,4 Current State: 39:[18, 56], Operations: ['44-26=18', '61-5=56'] Exploring Operation: 18+56=74, Resulting Numbers: [74] 74,39 unequal: No Solution Exploring Operation: 18*56=1008, Resulting Numbers: [1008] 1008,39 unequal: No Solution Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,39 unequal: No Solution Moving to Node #0,3,3 Current State: 39:[18, 66], Operations: ['44-26=18', '61+5=66'] Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 18*66=1188, Resulting Numbers: [1188] 1188,39 unequal: No Solution Exploring Operation: 18+66=84, Resulting Numbers: [84] 84,39 unequal: No Solution Moving to Node #0,3,1 Current State: 39:[61, 23], Operations: ['44-26=18', '5+18=23'] Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 61+23=84, Resulting Numbers: [84] 84,39 unequal: No Solution Exploring Operation: 61*23=1403, Resulting Numbers: [1403] 1403,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[39, 87], Operations: ['44-5=39', '61+26=87'] Exploring Operation: 39*87=3393, Resulting Numbers: [3393] 3393,39 unequal: No Solution Exploring Operation: 39+87=126, Resulting Numbers: [126] 126,39 unequal: No Solution Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,39 unequal: No Solution Moving to Node #0,0,3 Current State: 39:[61, 65], Operations: ['44-5=39', '26+39=65'] Exploring Operation: 65-61=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 61*65=3965, Resulting Numbers: [3965] 3965,39 unequal: No Solution Exploring Operation: 61+65=126, Resulting Numbers: [126] 126,39 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 48, 55, 66, 36 ]
95
[ "55-48=7", "66+36=102", "102-7=95" ]
Current State: 95:[48, 55, 66, 36], Operations: [] Exploring Operation: 55-48=7, Resulting Numbers: [66, 36, 7] Generated Node #2: [66, 36, 7] from Operation: 55-48=7 Current State: 95:[66, 36, 7], Operations: ['55-48=7'] Exploring Operation: 66+36=102, Resulting Numbers: [7, 102] Generated Node #3: [7, 102] from Operation: 66+36=102 Current State: 95:[7, 102], Operations: ['55-48=7', '66+36=102'] Exploring Operation: 102-7=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[48, 55, 66, 36], Operations: [] Exploring Operation: 66-55=11, Resulting Numbers: [48, 36, 11] Generated Node #0,0: 95:[48, 36, 11] Operation: 66-55=11 Exploring Operation: 48+55=103, Resulting Numbers: [66, 36, 103] Generated Node #0,1: 95:[66, 36, 103] Operation: 48+55=103 Exploring Operation: 55-48=7, Resulting Numbers: [66, 36, 7] Generated Node #0,2: 95:[66, 36, 7] Operation: 55-48=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[66, 36, 7], Operations: ['55-48=7'] Exploring Operation: 66-36=30, Resulting Numbers: [7, 30] Generated Node #0,2,0: 95:[7, 30] Operation: 66-36=30 Exploring Operation: 66+36=102, Resulting Numbers: [7, 102] Generated Node #0,2,1: 95:[7, 102] Operation: 66+36=102 Exploring Operation: 66+7=73, Resulting Numbers: [36, 73] Generated Node #0,2,2: 95:[36, 73] Operation: 66+7=73 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 95:[7, 102], Operations: ['55-48=7', '66+36=102'] Exploring Operation: 102-7=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[48, 55, 66, 36], Operations: [] Exploring Operation: 55-48=7, Resulting Numbers: [66, 36, 7] Generated Node #0,2: 95:[66, 36, 7] Operation: 55-48=7 Moving to Node #0,2 Current State: 95:[66, 36, 7], Operations: ['55-48=7'] Exploring Operation: 66+36=102, Resulting Numbers: [7, 102] Generated Node #0,2,1: 95:[7, 102] Operation: 66+36=102 Moving to Node #0,2,1 Current State: 95:[7, 102], Operations: ['55-48=7', '66+36=102'] Exploring Operation: 102-7=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 63, 80, 29, 16 ]
97
[ "63+29=92", "80/16=5", "92+5=97" ]
Current State: 97:[63, 80, 29, 16], Operations: [] Exploring Operation: 63+29=92, Resulting Numbers: [80, 16, 92] Generated Node #2: [80, 16, 92] from Operation: 63+29=92 Current State: 97:[80, 16, 92], Operations: ['63+29=92'] Exploring Operation: 80/16=5, Resulting Numbers: [92, 5] Generated Node #3: [92, 5] from Operation: 80/16=5 Current State: 97:[92, 5], Operations: ['63+29=92', '80/16=5'] Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[63, 80, 29, 16], Operations: [] Exploring Operation: 80+16=96, Resulting Numbers: [63, 29, 96] Generated Node #0,0: 97:[63, 29, 96] Operation: 80+16=96 Exploring Operation: 80+29=109, Resulting Numbers: [63, 16, 109] Generated Node #0,1: 97:[63, 16, 109] Operation: 80+29=109 Exploring Operation: 63+16=79, Resulting Numbers: [80, 29, 79] Generated Node #0,2: 97:[80, 29, 79] Operation: 63+16=79 Exploring Operation: 29+16=45, Resulting Numbers: [63, 80, 45] Generated Node #0,3: 97:[63, 80, 45] Operation: 29+16=45 Exploring Operation: 63+29=92, Resulting Numbers: [80, 16, 92] Generated Node #0,4: 97:[80, 16, 92] Operation: 63+29=92 Moving to Node #0,0 Current State: 97:[63, 29, 96], Operations: ['80+16=96'] Exploring Operation: 96-29=67, Resulting Numbers: [63, 67] Generated Node #0,0,0: 97:[63, 67] Operation: 96-29=67 Exploring Operation: 29+96=125, Resulting Numbers: [63, 125] Generated Node #0,0,1: 97:[63, 125] Operation: 29+96=125 Exploring Operation: 63-29=34, Resulting Numbers: [96, 34] Generated Node #0,0,2: 97:[96, 34] Operation: 63-29=34 Exploring Operation: 63+29=92, Resulting Numbers: [96, 92] Generated Node #0,0,3: 97:[96, 92] Operation: 63+29=92 Exploring Operation: 63+96=159, Resulting Numbers: [29, 159] Generated Node #0,0,4: 97:[29, 159] Operation: 63+96=159 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[96, 92], Operations: ['80+16=96', '63+29=92'] Exploring Operation: 96-92=4, Resulting Numbers: [4] 4,97 unequal: No Solution Exploring Operation: 96*92=8832, Resulting Numbers: [8832] 8832,97 unequal: No Solution Exploring Operation: 96+92=188, Resulting Numbers: [188] 188,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[63, 125], Operations: ['80+16=96', '29+96=125'] Exploring Operation: 125-63=62, Resulting Numbers: [62] 62,97 unequal: No Solution Exploring Operation: 63+125=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 63*125=7875, Resulting Numbers: [7875] 7875,97 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:[63, 67], Operations: ['80+16=96', '96-29=67'] Exploring Operation: 63*67=4221, Resulting Numbers: [4221] 4221,97 unequal: No Solution Exploring Operation: 67-63=4, Resulting Numbers: [4] 4,97 unequal: No Solution Exploring Operation: 63+67=130, Resulting Numbers: [130] 130,97 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:[96, 34], Operations: ['80+16=96', '63-29=34'] Exploring Operation: 96*34=3264, Resulting Numbers: [3264] 3264,97 unequal: No Solution Exploring Operation: 96+34=130, Resulting Numbers: [130] 130,97 unequal: No Solution Exploring Operation: 96-34=62, Resulting Numbers: [62] 62,97 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 #0,0,4 Current State: 97:[29, 159], Operations: ['80+16=96', '63+96=159'] Exploring Operation: 29*159=4611, Resulting Numbers: [4611] 4611,97 unequal: No Solution Exploring Operation: 29+159=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 159-29=130, Resulting Numbers: [130] 130,97 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: 97:[63, 80, 45], Operations: ['29+16=45'] Exploring Operation: 63+80=143, Resulting Numbers: [45, 143] Generated Node #0,3,0: 97:[45, 143] Operation: 63+80=143 Exploring Operation: 80-45=35, Resulting Numbers: [63, 35] Generated Node #0,3,1: 97:[63, 35] Operation: 80-45=35 Exploring Operation: 63-45=18, Resulting Numbers: [80, 18] Generated Node #0,3,2: 97:[80, 18] Operation: 63-45=18 Exploring Operation: 63+45=108, Resulting Numbers: [80, 108] Generated Node #0,3,3: 97:[80, 108] Operation: 63+45=108 Exploring Operation: 80+45=125, Resulting Numbers: [63, 125] Generated Node #0,3,4: 97:[63, 125] Operation: 80+45=125 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 97:[80, 108], Operations: ['29+16=45', '63+45=108'] Exploring Operation: 80*108=8640, Resulting Numbers: [8640] 8640,97 unequal: No Solution Exploring Operation: 108-80=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 80+108=188, Resulting Numbers: [188] 188,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 97:[63, 125], Operations: ['29+16=45', '80+45=125'] Exploring Operation: 125-63=62, Resulting Numbers: [62] 62,97 unequal: No Solution Exploring Operation: 63*125=7875, Resulting Numbers: [7875] 7875,97 unequal: No Solution Exploring Operation: 63+125=188, Resulting Numbers: [188] 188,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[63, 35], Operations: ['29+16=45', '80-45=35'] Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 63+35=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 63*35=2205, Resulting Numbers: [2205] 2205,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 97:[80, 18], Operations: ['29+16=45', '63-45=18'] Exploring Operation: 80+18=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 80*18=1440, Resulting Numbers: [1440] 1440,97 unequal: No Solution Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[45, 143], Operations: ['29+16=45', '63+80=143'] Exploring Operation: 45+143=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 143-45=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 45*143=6435, Resulting Numbers: [6435] 6435,97 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: 97:[80, 29, 79], Operations: ['63+16=79'] Exploring Operation: 79-29=50, Resulting Numbers: [80, 50] Generated Node #0,2,0: 97:[80, 50] Operation: 79-29=50 Exploring Operation: 80+29=109, Resulting Numbers: [79, 109] Generated Node #0,2,1: 97:[79, 109] Operation: 80+29=109 Exploring Operation: 80-29=51, Resulting Numbers: [79, 51] Generated Node #0,2,2: 97:[79, 51] Operation: 80-29=51 Exploring Operation: 80+79=159, Resulting Numbers: [29, 159] Generated Node #0,2,3: 97:[29, 159] Operation: 80+79=159 Exploring Operation: 29+79=108, Resulting Numbers: [80, 108] Generated Node #0,2,4: 97:[80, 108] Operation: 29+79=108 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 97:[80, 108], Operations: ['63+16=79', '29+79=108'] Exploring Operation: 80+108=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 108-80=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 80*108=8640, Resulting Numbers: [8640] 8640,97 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:[79, 109], Operations: ['63+16=79', '80+29=109'] Exploring Operation: 79*109=8611, Resulting Numbers: [8611] 8611,97 unequal: No Solution Exploring Operation: 79+109=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 109-79=30, Resulting Numbers: [30] 30,97 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:[80, 50], Operations: ['63+16=79', '79-29=50'] Exploring Operation: 80*50=4000, Resulting Numbers: [4000] 4000,97 unequal: No Solution Exploring Operation: 80+50=130, Resulting Numbers: [130] 130,97 unequal: No Solution Exploring Operation: 80-50=30, Resulting Numbers: [30] 30,97 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:[79, 51], Operations: ['63+16=79', '80-29=51'] Exploring Operation: 79+51=130, Resulting Numbers: [130] 130,97 unequal: No Solution Exploring Operation: 79*51=4029, Resulting Numbers: [4029] 4029,97 unequal: No Solution Exploring Operation: 79-51=28, Resulting Numbers: [28] 28,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[29, 159], Operations: ['63+16=79', '80+79=159'] Exploring Operation: 29*159=4611, Resulting Numbers: [4611] 4611,97 unequal: No Solution Exploring Operation: 29+159=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 159-29=130, Resulting Numbers: [130] 130,97 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: 97:[80, 16, 92], Operations: ['63+29=92'] Exploring Operation: 92-16=76, Resulting Numbers: [80, 76] Generated Node #0,4,0: 97:[80, 76] Operation: 92-16=76 Exploring Operation: 16+92=108, Resulting Numbers: [80, 108] Generated Node #0,4,1: 97:[80, 108] Operation: 16+92=108 Exploring Operation: 80+16=96, Resulting Numbers: [92, 96] Generated Node #0,4,2: 97:[92, 96] Operation: 80+16=96 Exploring Operation: 80-16=64, Resulting Numbers: [92, 64] Generated Node #0,4,3: 97:[92, 64] Operation: 80-16=64 Exploring Operation: 80/16=5, Resulting Numbers: [92, 5] Generated Node #0,4,4: 97:[92, 5] Operation: 80/16=5 Moving to Node #0,1 Current State: 97:[63, 16, 109], Operations: ['80+29=109'] Exploring Operation: 63+16=79, Resulting Numbers: [109, 79] Generated Node #0,1,0: 97:[109, 79] Operation: 63+16=79 Exploring Operation: 16+109=125, Resulting Numbers: [63, 125] Generated Node #0,1,1: 97:[63, 125] Operation: 16+109=125 Exploring Operation: 109-63=46, Resulting Numbers: [16, 46] Generated Node #0,1,2: 97:[16, 46] Operation: 109-63=46 Exploring Operation: 109-16=93, Resulting Numbers: [63, 93] Generated Node #0,1,3: 97:[63, 93] Operation: 109-16=93 Exploring Operation: 63-16=47, Resulting Numbers: [109, 47] Generated Node #0,1,4: 97:[109, 47] Operation: 63-16=47 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[109, 79], Operations: ['80+29=109', '63+16=79'] Exploring Operation: 109+79=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 109*79=8611, Resulting Numbers: [8611] 8611,97 unequal: No Solution Exploring Operation: 109-79=30, Resulting Numbers: [30] 30,97 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 #0,1,3 Current State: 97:[63, 93], Operations: ['80+29=109', '109-16=93'] Exploring Operation: 93-63=30, Resulting Numbers: [30] 30,97 unequal: No Solution Exploring Operation: 63*93=5859, Resulting Numbers: [5859] 5859,97 unequal: No Solution Exploring Operation: 63+93=156, Resulting Numbers: [156] 156,97 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 #0,1,1 Current State: 97:[63, 125], Operations: ['80+29=109', '16+109=125'] Exploring Operation: 125-63=62, Resulting Numbers: [62] 62,97 unequal: No Solution Exploring Operation: 63+125=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 63*125=7875, Resulting Numbers: [7875] 7875,97 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 #0,1,4 Current State: 97:[109, 47], Operations: ['80+29=109', '63-16=47'] Exploring Operation: 109-47=62, Resulting Numbers: [62] 62,97 unequal: No Solution Exploring Operation: 109+47=156, Resulting Numbers: [156] 156,97 unequal: No Solution Exploring Operation: 109*47=5123, Resulting Numbers: [5123] 5123,97 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 #0,1,2 Current State: 97:[16, 46], Operations: ['80+29=109', '109-63=46'] Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,97 unequal: No Solution Exploring Operation: 16+46=62, Resulting Numbers: [62] 62,97 unequal: No Solution Exploring Operation: 16*46=736, Resulting Numbers: [736] 736,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,2 Current State: 97:[92, 96], Operations: ['63+29=92', '80+16=96'] Exploring Operation: 92+96=188, Resulting Numbers: [188] 188,97 unequal: No Solution Exploring Operation: 92*96=8832, Resulting Numbers: [8832] 8832,97 unequal: No Solution Exploring Operation: 96-92=4, Resulting Numbers: [4] 4,97 unequal: No Solution Moving to Node #0,4,1 Current State: 97:[80, 108], Operations: ['63+29=92', '16+92=108'] Exploring Operation: 108-80=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 80*108=8640, Resulting Numbers: [8640] 8640,97 unequal: No Solution Exploring Operation: 80+108=188, Resulting Numbers: [188] 188,97 unequal: No Solution Moving to Node #0,4,0 Current State: 97:[80, 76], Operations: ['63+29=92', '92-16=76'] Exploring Operation: 80+76=156, Resulting Numbers: [156] 156,97 unequal: No Solution Exploring Operation: 80*76=6080, Resulting Numbers: [6080] 6080,97 unequal: No Solution Exploring Operation: 80-76=4, Resulting Numbers: [4] 4,97 unequal: No Solution Moving to Node #0,4,3 Current State: 97:[92, 64], Operations: ['63+29=92', '80-16=64'] Exploring Operation: 92*64=5888, Resulting Numbers: [5888] 5888,97 unequal: No Solution Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 92+64=156, Resulting Numbers: [156] 156,97 unequal: No Solution Moving to Node #0,4,4 Current State: 97:[92, 5], Operations: ['63+29=92', '80/16=5'] Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,97 unequal: No Solution Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[63, 80, 29, 16], Operations: [] Exploring Operation: 63+29=92, Resulting Numbers: [80, 16, 92] Generated Node #0,4: 97:[80, 16, 92] Operation: 63+29=92 Moving to Node #0,4 Current State: 97:[80, 16, 92], Operations: ['63+29=92'] Exploring Operation: 80/16=5, Resulting Numbers: [92, 5] Generated Node #0,4,4: 97:[92, 5] Operation: 80/16=5 Moving to Node #0,4,4 Current State: 97:[92, 5], Operations: ['63+29=92', '80/16=5'] Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
0.90625
hs_5
sum_heuristic
[ 2, 28, 59, 5 ]
83
[ "59-2=57", "28*5=140", "140-57=83" ]
Current State: 83:[2, 28, 59, 5], Operations: [] Exploring Operation: 59-2=57, Resulting Numbers: [28, 5, 57] Generated Node #2: [28, 5, 57] from Operation: 59-2=57 Current State: 83:[28, 5, 57], Operations: ['59-2=57'] Exploring Operation: 28*5=140, Resulting Numbers: [57, 140] Generated Node #3: [57, 140] from Operation: 28*5=140 Current State: 83:[57, 140], Operations: ['59-2=57', '28*5=140'] Exploring Operation: 140-57=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[2, 28, 59, 5], Operations: [] Exploring Operation: 2*5=10, Resulting Numbers: [28, 59, 10] Generated Node #0,0: 83:[28, 59, 10] Operation: 2*5=10 Exploring Operation: 2+59=61, Resulting Numbers: [28, 5, 61] Generated Node #0,1: 83:[28, 5, 61] Operation: 2+59=61 Exploring Operation: 2+5=7, Resulting Numbers: [28, 59, 7] Generated Node #0,2: 83:[28, 59, 7] Operation: 2+5=7 Exploring Operation: 2*28=56, Resulting Numbers: [59, 5, 56] Generated Node #0,3: 83:[59, 5, 56] Operation: 2*28=56 Exploring Operation: 2+28=30, Resulting Numbers: [59, 5, 30] Generated Node #0,4: 83:[59, 5, 30] Operation: 2+28=30 Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[59, 5, 56], Operations: ['2*28=56'] Exploring Operation: 59-5=54, Resulting Numbers: [56, 54] Generated Node #0,3,0: 83:[56, 54] Operation: 59-5=54 Exploring Operation: 5+56=61, Resulting Numbers: [59, 61] Generated Node #0,3,1: 83:[59, 61] Operation: 5+56=61 Exploring Operation: 56-5=51, Resulting Numbers: [59, 51] Generated Node #0,3,2: 83:[59, 51] Operation: 56-5=51 Exploring Operation: 59+5=64, Resulting Numbers: [56, 64] Generated Node #0,3,3: 83:[56, 64] Operation: 59+5=64 Exploring Operation: 59+56=115, Resulting Numbers: [5, 115] Generated Node #0,3,4: 83:[5, 115] Operation: 59+56=115 Moving to Node #0,3,1 Current State: 83:[59, 61], Operations: ['2*28=56', '5+56=61'] Exploring Operation: 59+61=120, Resulting Numbers: [120] 120,83 unequal: No Solution Exploring Operation: 61-59=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 59*61=3599, Resulting Numbers: [3599] 3599,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[56, 64], Operations: ['2*28=56', '59+5=64'] Exploring Operation: 56*64=3584, Resulting Numbers: [3584] 3584,83 unequal: No Solution Exploring Operation: 64-56=8, Resulting Numbers: [8] 8,83 unequal: No Solution Exploring Operation: 56+64=120, Resulting Numbers: [120] 120,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[56, 54], Operations: ['2*28=56', '59-5=54'] Exploring Operation: 56+54=110, Resulting Numbers: [110] 110,83 unequal: No Solution Exploring Operation: 56*54=3024, Resulting Numbers: [3024] 3024,83 unequal: No Solution Exploring Operation: 56-54=2, Resulting Numbers: [2] 2,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[59, 51], Operations: ['2*28=56', '56-5=51'] Exploring Operation: 59*51=3009, Resulting Numbers: [3009] 3009,83 unequal: No Solution Exploring Operation: 59-51=8, Resulting Numbers: [8] 8,83 unequal: No Solution Exploring Operation: 59+51=110, Resulting Numbers: [110] 110,83 unequal: No Solution Moving to Node #0,3,4 Current State: 83:[5, 115], Operations: ['2*28=56', '59+56=115'] Exploring Operation: 115/5=23, Resulting Numbers: [23] 23,83 unequal: No Solution Exploring Operation: 5*115=575, Resulting Numbers: [575] 575,83 unequal: No Solution Exploring Operation: 115-5=110, Resulting Numbers: [110] 110,83 unequal: No Solution Exploring Operation: 5+115=120, Resulting Numbers: [120] 120,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[28, 59, 10], Operations: ['2*5=10'] Exploring Operation: 59-10=49, Resulting Numbers: [28, 49] Generated Node #0,0,0: 83:[28, 49] Operation: 59-10=49 Exploring Operation: 28-10=18, Resulting Numbers: [59, 18] Generated Node #0,0,1: 83:[59, 18] Operation: 28-10=18 Exploring Operation: 28+59=87, Resulting Numbers: [10, 87] Generated Node #0,0,2: 83:[10, 87] Operation: 28+59=87 Exploring Operation: 59+10=69, Resulting Numbers: [28, 69] Generated Node #0,0,3: 83:[28, 69] Operation: 59+10=69 Exploring Operation: 28+10=38, Resulting Numbers: [59, 38] Generated Node #0,0,4: 83:[59, 38] Operation: 28+10=38 Moving to Node #0,0,3 Current State: 83:[28, 69], Operations: ['2*5=10', '59+10=69'] Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,83 unequal: No Solution Exploring Operation: 28*69=1932, Resulting Numbers: [1932] 1932,83 unequal: No Solution Exploring Operation: 28+69=97, Resulting Numbers: [97] 97,83 unequal: No Solution Moving to Node #0,0,4 Current State: 83:[59, 38], Operations: ['2*5=10', '28+10=38'] Exploring Operation: 59*38=2242, Resulting Numbers: [2242] 2242,83 unequal: No Solution Exploring Operation: 59+38=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[10, 87], Operations: ['2*5=10', '28+59=87'] Exploring Operation: 10+87=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 10*87=870, Resulting Numbers: [870] 870,83 unequal: No Solution Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[28, 49], Operations: ['2*5=10', '59-10=49'] Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 28*49=1372, Resulting Numbers: [1372] 1372,83 unequal: No Solution Exploring Operation: 28+49=77, Resulting Numbers: [77] 77,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[59, 18], Operations: ['2*5=10', '28-10=18'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,83 unequal: No Solution Exploring Operation: 59*18=1062, Resulting Numbers: [1062] 1062,83 unequal: No Solution Exploring Operation: 59+18=77, Resulting Numbers: [77] 77,83 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:[28, 5, 61], Operations: ['2+59=61'] Exploring Operation: 61-5=56, Resulting Numbers: [28, 56] Generated Node #0,1,0: 83:[28, 56] Operation: 61-5=56 Exploring Operation: 28-5=23, Resulting Numbers: [61, 23] Generated Node #0,1,1: 83:[61, 23] Operation: 28-5=23 Exploring Operation: 28*5=140, Resulting Numbers: [61, 140] Generated Node #0,1,2: 83:[61, 140] Operation: 28*5=140 Exploring Operation: 28+5=33, Resulting Numbers: [61, 33] Generated Node #0,1,3: 83:[61, 33] Operation: 28+5=33 Exploring Operation: 5+61=66, Resulting Numbers: [28, 66] Generated Node #0,1,4: 83:[28, 66] Operation: 5+61=66 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 83:[61, 33], Operations: ['2+59=61', '28+5=33'] Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,83 unequal: No Solution Exploring Operation: 61+33=94, Resulting Numbers: [94] 94,83 unequal: No Solution Exploring Operation: 61*33=2013, Resulting Numbers: [2013] 2013,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 83:[28, 66], Operations: ['2+59=61', '5+61=66'] Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,83 unequal: No Solution Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,83 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 83:[61, 140], Operations: ['2+59=61', '28*5=140'] Exploring Operation: 61+140=201, Resulting Numbers: [201] 201,83 unequal: No Solution Exploring Operation: 140-61=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 61*140=8540, Resulting Numbers: [8540] 8540,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[28, 56], Operations: ['2+59=61', '61-5=56'] Exploring Operation: 28*56=1568, Resulting Numbers: [1568] 1568,83 unequal: No Solution Exploring Operation: 28+56=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 83:[61, 23], Operations: ['2+59=61', '28-5=23'] Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,83 unequal: No Solution Exploring Operation: 61+23=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 61*23=1403, Resulting Numbers: [1403] 1403,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[28, 59, 7], Operations: ['2+5=7'] Exploring Operation: 59+7=66, Resulting Numbers: [28, 66] Generated Node #0,2,0: 83:[28, 66] Operation: 59+7=66 Exploring Operation: 28+7=35, Resulting Numbers: [59, 35] Generated Node #0,2,1: 83:[59, 35] Operation: 28+7=35 Exploring Operation: 59-7=52, Resulting Numbers: [28, 52] Generated Node #0,2,2: 83:[28, 52] Operation: 59-7=52 Exploring Operation: 28+59=87, Resulting Numbers: [7, 87] Generated Node #0,2,3: 83:[7, 87] Operation: 28+59=87 Exploring Operation: 28-7=21, Resulting Numbers: [59, 21] Generated Node #0,2,4: 83:[59, 21] Operation: 28-7=21 Moving to Node #0,2,0 Current State: 83:[28, 66], Operations: ['2+5=7', '59+7=66'] Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,83 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,83 unequal: No Solution Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[59, 35], Operations: ['2+5=7', '28+7=35'] Exploring Operation: 59-35=24, Resulting Numbers: [24] 24,83 unequal: No Solution Exploring Operation: 59+35=94, Resulting Numbers: [94] 94,83 unequal: No Solution Exploring Operation: 59*35=2065, Resulting Numbers: [2065] 2065,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[7, 87], Operations: ['2+5=7', '28+59=87'] Exploring Operation: 7*87=609, Resulting Numbers: [609] 609,83 unequal: No Solution Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,83 unequal: No Solution Exploring Operation: 7+87=94, Resulting Numbers: [94] 94,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[28, 52], Operations: ['2+5=7', '59-7=52'] Exploring Operation: 52-28=24, Resulting Numbers: [24] 24,83 unequal: No Solution Exploring Operation: 28+52=80, Resulting Numbers: [80] 80,83 unequal: No Solution Exploring Operation: 28*52=1456, Resulting Numbers: [1456] 1456,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[59, 21], Operations: ['2+5=7', '28-7=21'] Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,83 unequal: No Solution Exploring Operation: 59+21=80, Resulting Numbers: [80] 80,83 unequal: No Solution Exploring Operation: 59*21=1239, Resulting Numbers: [1239] 1239,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 83:[59, 5, 30], Operations: ['2+28=30'] Exploring Operation: 59+5=64, Resulting Numbers: [30, 64] Generated Node #0,4,0: 83:[30, 64] Operation: 59+5=64 Exploring Operation: 5+30=35, Resulting Numbers: [59, 35] Generated Node #0,4,1: 83:[59, 35] Operation: 5+30=35 Exploring Operation: 30-5=25, Resulting Numbers: [59, 25] Generated Node #0,4,2: 83:[59, 25] Operation: 30-5=25 Exploring Operation: 59-5=54, Resulting Numbers: [30, 54] Generated Node #0,4,3: 83:[30, 54] Operation: 59-5=54 Exploring Operation: 59+30=89, Resulting Numbers: [5, 89] Generated Node #0,4,4: 83:[5, 89] Operation: 59+30=89 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 83:[30, 64], Operations: ['2+28=30', '59+5=64'] Exploring Operation: 30+64=94, Resulting Numbers: [94] 94,83 unequal: No Solution Exploring Operation: 30*64=1920, Resulting Numbers: [1920] 1920,83 unequal: No Solution Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,83 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:[59, 35], Operations: ['2+28=30', '5+30=35'] Exploring Operation: 59-35=24, Resulting Numbers: [24] 24,83 unequal: No Solution Exploring Operation: 59*35=2065, Resulting Numbers: [2065] 2065,83 unequal: No Solution Exploring Operation: 59+35=94, Resulting Numbers: [94] 94,83 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:[59, 25], Operations: ['2+28=30', '30-5=25'] Exploring Operation: 59+25=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 59*25=1475, Resulting Numbers: [1475] 1475,83 unequal: No Solution Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,83 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:[30, 54], Operations: ['2+28=30', '59-5=54'] Exploring Operation: 30+54=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,83 unequal: No Solution Exploring Operation: 30*54=1620, Resulting Numbers: [1620] 1620,83 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:[5, 89], Operations: ['2+28=30', '59+30=89'] Exploring Operation: 5+89=94, Resulting Numbers: [94] 94,83 unequal: No Solution Exploring Operation: 5*89=445, Resulting Numbers: [445] 445,83 unequal: No Solution Exploring Operation: 89-5=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
sum_heuristic
[ 80, 60, 56, 15 ]
34
[ "80+56=136", "60/15=4", "136/4=34" ]
Current State: 34:[80, 60, 56, 15], Operations: [] Exploring Operation: 80+56=136, Resulting Numbers: [60, 15, 136] Generated Node #2: [60, 15, 136] from Operation: 80+56=136 Current State: 34:[60, 15, 136], Operations: ['80+56=136'] Exploring Operation: 60/15=4, Resulting Numbers: [136, 4] Generated Node #3: [136, 4] from Operation: 60/15=4 Current State: 34:[136, 4], Operations: ['80+56=136', '60/15=4'] Exploring Operation: 136/4=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[80, 60, 56, 15], Operations: [] Exploring Operation: 60/15=4, Resulting Numbers: [80, 56, 4] Generated Node #0,0: 34:[80, 56, 4] Operation: 60/15=4 Exploring Operation: 80-56=24, Resulting Numbers: [60, 15, 24] Generated Node #0,1: 34:[60, 15, 24] Operation: 80-56=24 Exploring Operation: 60-56=4, Resulting Numbers: [80, 15, 4] Generated Node #0,2: 34:[80, 15, 4] Operation: 60-56=4 Exploring Operation: 80-60=20, Resulting Numbers: [56, 15, 20] Generated Node #0,3: 34:[56, 15, 20] Operation: 80-60=20 Start Sub Search at level 1: Moving to Node #0,3 Current State: 34:[56, 15, 20], Operations: ['80-60=20'] Exploring Operation: 56-20=36, Resulting Numbers: [15, 36] Generated Node #0,3,0: 34:[15, 36] Operation: 56-20=36 Exploring Operation: 20-15=5, Resulting Numbers: [56, 5] Generated Node #0,3,1: 34:[56, 5] Operation: 20-15=5 Exploring Operation: 56-15=41, Resulting Numbers: [20, 41] Generated Node #0,3,2: 34:[20, 41] Operation: 56-15=41 Exploring Operation: 15+20=35, Resulting Numbers: [56, 35] Generated Node #0,3,3: 34:[56, 35] Operation: 15+20=35 Moving to Node #0,3,0 Current State: 34:[15, 36], Operations: ['80-60=20', '56-20=36'] Exploring Operation: 15*36=540, Resulting Numbers: [540] 540,34 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,34 unequal: No Solution Moving to Node #0,3,2 Current State: 34:[20, 41], Operations: ['80-60=20', '56-15=41'] Exploring Operation: 20*41=820, Resulting Numbers: [820] 820,34 unequal: No Solution Exploring Operation: 20+41=61, Resulting Numbers: [61] 61,34 unequal: No Solution Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,34 unequal: No Solution Moving to Node #0,3,3 Current State: 34:[56, 35], Operations: ['80-60=20', '15+20=35'] Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 56*35=1960, Resulting Numbers: [1960] 1960,34 unequal: No Solution Exploring Operation: 56+35=91, Resulting Numbers: [91] 91,34 unequal: No Solution Moving to Node #0,3,1 Current State: 34:[56, 5], Operations: ['80-60=20', '20-15=5'] Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,34 unequal: No Solution Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,34 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[60, 15, 24], Operations: ['80-56=24'] Exploring Operation: 15+24=39, Resulting Numbers: [60, 39] Generated Node #0,1,0: 34:[60, 39] Operation: 15+24=39 Exploring Operation: 60-24=36, Resulting Numbers: [15, 36] Generated Node #0,1,1: 34:[15, 36] Operation: 60-24=36 Exploring Operation: 60/15=4, Resulting Numbers: [24, 4] Generated Node #0,1,2: 34:[24, 4] Operation: 60/15=4 Exploring Operation: 60-15=45, Resulting Numbers: [24, 45] Generated Node #0,1,3: 34:[24, 45] Operation: 60-15=45 Moving to Node #0,1,1 Current State: 34:[15, 36], Operations: ['80-56=24', '60-24=36'] Exploring Operation: 15*36=540, Resulting Numbers: [540] 540,34 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[24, 4], Operations: ['80-56=24', '60/15=4'] Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,34 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,34 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,34 unequal: No Solution Moving to Node #0,1,3 Current State: 34:[24, 45], Operations: ['80-56=24', '60-15=45'] Exploring Operation: 24+45=69, Resulting Numbers: [69] 69,34 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 24*45=1080, Resulting Numbers: [1080] 1080,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[60, 39], Operations: ['80-56=24', '15+24=39'] Exploring Operation: 60+39=99, Resulting Numbers: [99] 99,34 unequal: No Solution Exploring Operation: 60*39=2340, Resulting Numbers: [2340] 2340,34 unequal: No Solution Exploring Operation: 60-39=21, Resulting Numbers: [21] 21,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[80, 15, 4], Operations: ['60-56=4'] Exploring Operation: 15+4=19, Resulting Numbers: [80, 19] Generated Node #0,2,0: 34:[80, 19] Operation: 15+4=19 Exploring Operation: 80-4=76, Resulting Numbers: [15, 76] Generated Node #0,2,1: 34:[15, 76] Operation: 80-4=76 Exploring Operation: 80/4=20, Resulting Numbers: [15, 20] Generated Node #0,2,2: 34:[15, 20] Operation: 80/4=20 Exploring Operation: 80-15=65, Resulting Numbers: [4, 65] Generated Node #0,2,3: 34:[4, 65] Operation: 80-15=65 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 34:[15, 20], Operations: ['60-56=4', '80/4=20'] 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 Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 34:[4, 65], Operations: ['60-56=4', '80-15=65'] Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,34 unequal: No Solution Exploring Operation: 4+65=69, Resulting Numbers: [69] 69,34 unequal: No Solution Exploring Operation: 4*65=260, Resulting Numbers: [260] 260,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 34:[15, 76], Operations: ['60-56=4', '80-4=76'] Exploring Operation: 15+76=91, Resulting Numbers: [91] 91,34 unequal: No Solution Exploring Operation: 76-15=61, Resulting Numbers: [61] 61,34 unequal: No Solution Exploring Operation: 15*76=1140, Resulting Numbers: [1140] 1140,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 34:[80, 19], Operations: ['60-56=4', '15+4=19'] Exploring Operation: 80+19=99, Resulting Numbers: [99] 99,34 unequal: No Solution Exploring Operation: 80-19=61, Resulting Numbers: [61] 61,34 unequal: No Solution Exploring Operation: 80*19=1520, Resulting Numbers: [1520] 1520,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[80, 56, 4], Operations: ['60/15=4'] Exploring Operation: 80-4=76, Resulting Numbers: [56, 76] Generated Node #0,0,0: 34:[56, 76] Operation: 80-4=76 Exploring Operation: 80-56=24, Resulting Numbers: [4, 24] Generated Node #0,0,1: 34:[4, 24] Operation: 80-56=24 Exploring Operation: 80/4=20, Resulting Numbers: [56, 20] Generated Node #0,0,2: 34:[56, 20] Operation: 80/4=20 Exploring Operation: 56/4=14, Resulting Numbers: [80, 14] Generated Node #0,0,3: 34:[80, 14] Operation: 56/4=14 Moving to Node #0,0,1 Current State: 34:[4, 24], Operations: ['60/15=4', '80-56=24'] Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,34 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,34 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[56, 20], Operations: ['60/15=4', '80/4=20'] Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,34 unequal: No Solution Exploring Operation: 56*20=1120, Resulting Numbers: [1120] 1120,34 unequal: No Solution Exploring Operation: 56+20=76, Resulting Numbers: [76] 76,34 unequal: No Solution Moving to Node #0,0,3 Current State: 34:[80, 14], Operations: ['60/15=4', '56/4=14'] Exploring Operation: 80+14=94, Resulting Numbers: [94] 94,34 unequal: No Solution Exploring Operation: 80*14=1120, Resulting Numbers: [1120] 1120,34 unequal: No Solution Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[56, 76], Operations: ['60/15=4', '80-4=76'] Exploring Operation: 76-56=20, Resulting Numbers: [20] 20,34 unequal: No Solution Exploring Operation: 56*76=4256, Resulting Numbers: [4256] 4256,34 unequal: No Solution Exploring Operation: 56+76=132, Resulting Numbers: [132] 132,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 18, 54, 72, 16 ]
10
[ "72/18=4", "16*4=64", "64-54=10" ]
Current State: 10:[18, 54, 72, 16], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [54, 16, 4] Generated Node #2: [54, 16, 4] from Operation: 72/18=4 Current State: 10:[54, 16, 4], Operations: ['72/18=4'] Exploring Operation: 16*4=64, Resulting Numbers: [54, 64] Generated Node #3: [54, 64] from Operation: 16*4=64 Current State: 10:[54, 64], Operations: ['72/18=4', '16*4=64'] Exploring Operation: 64-54=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[18, 54, 72, 16], Operations: [] Exploring Operation: 72-54=18, Resulting Numbers: [18, 16, 18] Generated Node #0,0: 10:[18, 16, 18] Operation: 72-54=18 Exploring Operation: 54/18=3, Resulting Numbers: [72, 16, 3] Generated Node #0,1: 10:[72, 16, 3] Operation: 54/18=3 Exploring Operation: 72/18=4, Resulting Numbers: [54, 16, 4] Generated Node #0,2: 10:[54, 16, 4] Operation: 72/18=4 Moving to Node #0,0 Current State: 10:[18, 16, 18], Operations: ['72-54=18'] Exploring Operation: 18-16=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 10:[18, 2] Operation: 18-16=2 Exploring Operation: 18/18=1, Resulting Numbers: [16, 1] Generated Node #0,0,1: 10:[16, 1] Operation: 18/18=1 Exploring Operation: 18-18=0, Resulting Numbers: [16, 0] Generated Node #0,0,2: 10:[16, 0] Operation: 18-18=0 Moving to Node #0,2 Current State: 10:[54, 16, 4], Operations: ['72/18=4'] Exploring Operation: 54-4=50, Resulting Numbers: [16, 50] Generated Node #0,2,0: 10:[16, 50] Operation: 54-4=50 Exploring Operation: 54-16=38, Resulting Numbers: [4, 38] Generated Node #0,2,1: 10:[4, 38] Operation: 54-16=38 Exploring Operation: 16/4=4, Resulting Numbers: [54, 4] Generated Node #0,2,2: 10:[54, 4] Operation: 16/4=4 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 10:[4, 38], Operations: ['72/18=4', '54-16=38'] Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,10 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,10 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,10 unequal: No Solution No 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: 10:[54, 4], Operations: ['72/18=4', '16/4=4'] Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,10 unequal: No Solution Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,10 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,10 unequal: No Solution No 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: 10:[16, 50], Operations: ['72/18=4', '54-4=50'] Exploring Operation: 16+50=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 16*50=800, Resulting Numbers: [800] 800,10 unequal: No Solution Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,10 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: 10:[72, 16, 3], Operations: ['54/18=3'] Exploring Operation: 72-16=56, Resulting Numbers: [3, 56] Generated Node #0,1,0: 10:[3, 56] Operation: 72-16=56 Exploring Operation: 72-3=69, Resulting Numbers: [16, 69] Generated Node #0,1,1: 10:[16, 69] Operation: 72-3=69 Exploring Operation: 72/3=24, Resulting Numbers: [16, 24] Generated Node #0,1,2: 10:[16, 24] Operation: 72/3=24 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 10:[16, 24], Operations: ['54/18=3', '72/3=24'] Exploring Operation: 16+24=40, Resulting Numbers: [40] 40,10 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 16*24=384, Resulting Numbers: [384] 384,10 unequal: No Solution No 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: 10:[3, 56], Operations: ['54/18=3', '72-16=56'] Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,10 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,10 unequal: No Solution No 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: 10:[16, 69], Operations: ['54/18=3', '72-3=69'] Exploring Operation: 16+69=85, Resulting Numbers: [85] 85,10 unequal: No Solution Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 16*69=1104, Resulting Numbers: [1104] 1104,10 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: 10:[16, 1], Operations: ['72-54=18', '18/18=1'] Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,10 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[18, 2], Operations: ['72-54=18', '18-16=2'] Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,10 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,10 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[16, 0], Operations: ['72-54=18', '18-18=0'] Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,10 unequal: No Solution Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,10 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 27, 38, 90, 18 ]
70
[ "27+38=65", "90/18=5", "65+5=70" ]
Current State: 70:[27, 38, 90, 18], Operations: [] Exploring Operation: 27+38=65, Resulting Numbers: [90, 18, 65] Generated Node #2: [90, 18, 65] from Operation: 27+38=65 Current State: 70:[90, 18, 65], Operations: ['27+38=65'] Exploring Operation: 90/18=5, Resulting Numbers: [65, 5] Generated Node #3: [65, 5] from Operation: 90/18=5 Current State: 70:[65, 5], Operations: ['27+38=65', '90/18=5'] Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[27, 38, 90, 18], Operations: [] Exploring Operation: 90/18=5, Resulting Numbers: [27, 38, 5] Generated Node #0,0: 70:[27, 38, 5] Operation: 90/18=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[27, 38, 5], Operations: ['90/18=5'] Exploring Operation: 38-27=11, Resulting Numbers: [5, 11] Generated Node #0,0,0: 70:[5, 11] Operation: 38-27=11 Moving to Node #0,0,0 Current State: 70:[5, 11], Operations: ['90/18=5', '38-27=11'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 66, 91, 52, 63 ]
65
[ "66-63=3", "52*3=156", "156-91=65" ]
Current State: 65:[66, 91, 52, 63], Operations: [] Exploring Operation: 66-63=3, Resulting Numbers: [91, 52, 3] Generated Node #2: [91, 52, 3] from Operation: 66-63=3 Current State: 65:[91, 52, 3], Operations: ['66-63=3'] Exploring Operation: 52*3=156, Resulting Numbers: [91, 156] Generated Node #3: [91, 156] from Operation: 52*3=156 Current State: 65:[91, 156], Operations: ['66-63=3', '52*3=156'] Exploring Operation: 156-91=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[66, 91, 52, 63], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [66, 63, 39] Generated Node #0,0: 65:[66, 63, 39] Operation: 91-52=39 Exploring Operation: 91-66=25, Resulting Numbers: [52, 63, 25] Generated Node #0,1: 65:[52, 63, 25] Operation: 91-66=25 Exploring Operation: 66-52=14, Resulting Numbers: [91, 63, 14] Generated Node #0,2: 65:[91, 63, 14] Operation: 66-52=14 Moving to Node #0,1 Current State: 65:[52, 63, 25], Operations: ['91-66=25'] Exploring Operation: 52+25=77, Resulting Numbers: [63, 77] Generated Node #0,1,0: 65:[63, 77] Operation: 52+25=77 Exploring Operation: 52-25=27, Resulting Numbers: [63, 27] Generated Node #0,1,1: 65:[63, 27] Operation: 52-25=27 Exploring Operation: 63-52=11, Resulting Numbers: [25, 11] Generated Node #0,1,2: 65:[25, 11] Operation: 63-52=11 Moving to Node #0,0 Current State: 65:[66, 63, 39], Operations: ['91-52=39'] Exploring Operation: 63-39=24, Resulting Numbers: [66, 24] Generated Node #0,0,0: 65:[66, 24] Operation: 63-39=24 Exploring Operation: 66-39=27, Resulting Numbers: [63, 27] Generated Node #0,0,1: 65:[63, 27] Operation: 66-39=27 Exploring Operation: 66-63=3, Resulting Numbers: [39, 3] Generated Node #0,0,2: 65:[39, 3] Operation: 66-63=3 Moving to Node #0,2 Current State: 65:[91, 63, 14], Operations: ['66-52=14'] Exploring Operation: 91-63=28, Resulting Numbers: [14, 28] Generated Node #0,2,0: 65:[14, 28] Operation: 91-63=28 Exploring Operation: 63+14=77, Resulting Numbers: [91, 77] Generated Node #0,2,1: 65:[91, 77] Operation: 63+14=77 Exploring Operation: 91-14=77, Resulting Numbers: [63, 77] Generated Node #0,2,2: 65:[63, 77] Operation: 91-14=77 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 65:[63, 77], Operations: ['66-52=14', '91-14=77'] Exploring Operation: 63+77=140, Resulting Numbers: [140] 140,65 unequal: No Solution Exploring Operation: 77-63=14, Resulting Numbers: [14] 14,65 unequal: No Solution Exploring Operation: 63*77=4851, Resulting Numbers: [4851] 4851,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 65:[14, 28], Operations: ['66-52=14', '91-63=28'] Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 65:[91, 77], Operations: ['66-52=14', '63+14=77'] Exploring Operation: 91*77=7007, Resulting Numbers: [7007] 7007,65 unequal: No Solution Exploring Operation: 91+77=168, Resulting Numbers: [168] 168,65 unequal: No Solution Exploring Operation: 91-77=14, Resulting Numbers: [14] 14,65 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: 65:[66, 24], Operations: ['91-52=39', '63-39=24'] Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 66+24=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 66*24=1584, Resulting Numbers: [1584] 1584,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[63, 77], Operations: ['91-66=25', '52+25=77'] Exploring Operation: 63+77=140, Resulting Numbers: [140] 140,65 unequal: No Solution Exploring Operation: 63*77=4851, Resulting Numbers: [4851] 4851,65 unequal: No Solution Exploring Operation: 77-63=14, Resulting Numbers: [14] 14,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[25, 11], Operations: ['91-66=25', '63-52=11'] Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,65 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[63, 27], Operations: ['91-66=25', '52-25=27'] Exploring Operation: 63*27=1701, Resulting Numbers: [1701] 1701,65 unequal: No Solution Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 63+27=90, Resulting Numbers: [90] 90,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[63, 27], Operations: ['91-52=39', '66-39=27'] Exploring Operation: 63*27=1701, Resulting Numbers: [1701] 1701,65 unequal: No Solution Exploring Operation: 63+27=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[39, 3], Operations: ['91-52=39', '66-63=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,65 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 72, 43, 24, 16 ]
62
[ "72/24=3", "43+16=59", "3+59=62" ]
Current State: 62:[72, 43, 24, 16], Operations: [] Exploring Operation: 72/24=3, Resulting Numbers: [43, 16, 3] Generated Node #2: [43, 16, 3] from Operation: 72/24=3 Current State: 62:[43, 16, 3], Operations: ['72/24=3'] Exploring Operation: 43+16=59, Resulting Numbers: [3, 59] Generated Node #3: [3, 59] from Operation: 43+16=59 Current State: 62:[3, 59], Operations: ['72/24=3', '43+16=59'] Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[72, 43, 24, 16], Operations: [] Exploring Operation: 43+16=59, Resulting Numbers: [72, 24, 59] Generated Node #0,0: 62:[72, 24, 59] Operation: 43+16=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[72, 24, 59], Operations: ['43+16=59'] Exploring Operation: 72/24=3, Resulting Numbers: [59, 3] Generated Node #0,0,0: 62:[59, 3] Operation: 72/24=3 Moving to Node #0,0,0 Current State: 62:[59, 3], Operations: ['43+16=59', '72/24=3'] Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[72, 43, 24, 16], Operations: [] Exploring Operation: 43+16=59, Resulting Numbers: [72, 24, 59] Generated Node #0,0: 62:[72, 24, 59] Operation: 43+16=59 Moving to Node #0,0 Current State: 62:[72, 24, 59], Operations: ['43+16=59'] Exploring Operation: 72/24=3, Resulting Numbers: [59, 3] Generated Node #0,0,0: 62:[59, 3] Operation: 72/24=3 Moving to Node #0,0,0 Current State: 62:[59, 3], Operations: ['43+16=59', '72/24=3'] Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 26, 98, 12, 75 ]
15
[ "98-26=72", "12+75=87", "87-72=15" ]
Current State: 15:[26, 98, 12, 75], Operations: [] Exploring Operation: 98-26=72, Resulting Numbers: [12, 75, 72] Generated Node #2: [12, 75, 72] from Operation: 98-26=72 Current State: 15:[12, 75, 72], Operations: ['98-26=72'] Exploring Operation: 12+75=87, Resulting Numbers: [72, 87] Generated Node #3: [72, 87] from Operation: 12+75=87 Current State: 15:[72, 87], Operations: ['98-26=72', '12+75=87'] Exploring Operation: 87-72=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[26, 98, 12, 75], Operations: [] Exploring Operation: 98-26=72, Resulting Numbers: [12, 75, 72] Generated Node #0,0: 15:[12, 75, 72] Operation: 98-26=72 Exploring Operation: 98-75=23, Resulting Numbers: [26, 12, 23] Generated Node #0,1: 15:[26, 12, 23] Operation: 98-75=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[26, 12, 23], Operations: ['98-75=23'] Exploring Operation: 26-12=14, Resulting Numbers: [23, 14] Generated Node #0,1,0: 15:[23, 14] Operation: 26-12=14 Exploring Operation: 26-23=3, Resulting Numbers: [12, 3] Generated Node #0,1,1: 15:[12, 3] Operation: 26-23=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 15:[12, 3], Operations: ['98-75=23', '26-23=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[26, 98, 12, 75], Operations: [] Exploring Operation: 98-75=23, Resulting Numbers: [26, 12, 23] Generated Node #0,1: 15:[26, 12, 23] Operation: 98-75=23 Moving to Node #0,1 Current State: 15:[26, 12, 23], Operations: ['98-75=23'] Exploring Operation: 26-23=3, Resulting Numbers: [12, 3] Generated Node #0,1,1: 15:[12, 3] Operation: 26-23=3 Moving to Node #0,1,1 Current State: 15:[12, 3], Operations: ['98-75=23', '26-23=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 12, 1, 86, 83 ]
10
[ "12+1=13", "86-83=3", "13-3=10" ]
Current State: 10:[12, 1, 86, 83], Operations: [] Exploring Operation: 12+1=13, Resulting Numbers: [86, 83, 13] Generated Node #2: [86, 83, 13] from Operation: 12+1=13 Current State: 10:[86, 83, 13], Operations: ['12+1=13'] Exploring Operation: 86-83=3, Resulting Numbers: [13, 3] Generated Node #3: [13, 3] from Operation: 86-83=3 Current State: 10:[13, 3], Operations: ['12+1=13', '86-83=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[12, 1, 86, 83], Operations: [] Exploring Operation: 83-12=71, Resulting Numbers: [1, 86, 71] Generated Node #0,0: 10:[1, 86, 71] Operation: 83-12=71 Exploring Operation: 86-83=3, Resulting Numbers: [12, 1, 3] Generated Node #0,1: 10:[12, 1, 3] Operation: 86-83=3 Exploring Operation: 86-12=74, Resulting Numbers: [1, 83, 74] Generated Node #0,2: 10:[1, 83, 74] Operation: 86-12=74 Exploring Operation: 12-1=11, Resulting Numbers: [86, 83, 11] Generated Node #0,3: 10:[86, 83, 11] Operation: 12-1=11 Moving to Node #0,1 Current State: 10:[12, 1, 3], Operations: ['86-83=3'] Exploring Operation: 12/3=4, Resulting Numbers: [1, 4] Generated Node #0,1,0: 10:[1, 4] Operation: 12/3=4 Exploring Operation: 3-1=2, Resulting Numbers: [12, 2] Generated Node #0,1,1: 10:[12, 2] Operation: 3-1=2 Exploring Operation: 12-1=11, Resulting Numbers: [3, 11] Generated Node #0,1,2: 10:[3, 11] Operation: 12-1=11 Exploring Operation: 12-3=9, Resulting Numbers: [1, 9] Generated Node #0,1,3: 10:[1, 9] Operation: 12-3=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 10:[1, 4], Operations: ['86-83=3', '12/3=4'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,10 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,10 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,10 unequal: No Solution No 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: 10:[12, 2], Operations: ['86-83=3', '3-1=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[12, 1, 86, 83], Operations: [] Exploring Operation: 86-83=3, Resulting Numbers: [12, 1, 3] Generated Node #0,1: 10:[12, 1, 3] Operation: 86-83=3 Moving to Node #0,1 Current State: 10:[12, 1, 3], Operations: ['86-83=3'] Exploring Operation: 3-1=2, Resulting Numbers: [12, 2] Generated Node #0,1,1: 10:[12, 2] Operation: 3-1=2 Moving to Node #0,1,1 Current State: 10:[12, 2], Operations: ['86-83=3', '3-1=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 43, 1, 39, 73 ]
70
[ "43-1=42", "39+73=112", "112-42=70" ]
Current State: 70:[43, 1, 39, 73], Operations: [] Exploring Operation: 43-1=42, Resulting Numbers: [39, 73, 42] Generated Node #2: [39, 73, 42] from Operation: 43-1=42 Current State: 70:[39, 73, 42], Operations: ['43-1=42'] Exploring Operation: 39+73=112, Resulting Numbers: [42, 112] Generated Node #3: [42, 112] from Operation: 39+73=112 Current State: 70:[42, 112], Operations: ['43-1=42', '39+73=112'] Exploring Operation: 112-42=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[43, 1, 39, 73], Operations: [] Exploring Operation: 43-39=4, Resulting Numbers: [1, 73, 4] Generated Node #0,0: 70:[1, 73, 4] Operation: 43-39=4 Exploring Operation: 73-43=30, Resulting Numbers: [1, 39, 30] Generated Node #0,1: 70:[1, 39, 30] Operation: 73-43=30 Exploring Operation: 73-39=34, Resulting Numbers: [43, 1, 34] Generated Node #0,2: 70:[43, 1, 34] Operation: 73-39=34 Moving to Node #0,0 Current State: 70:[1, 73, 4], Operations: ['43-39=4'] Exploring Operation: 73-1=72, Resulting Numbers: [4, 72] Generated Node #0,0,0: 70:[4, 72] Operation: 73-1=72 Exploring Operation: 73-4=69, Resulting Numbers: [1, 69] Generated Node #0,0,1: 70:[1, 69] Operation: 73-4=69 Exploring Operation: 1+4=5, Resulting Numbers: [73, 5] Generated Node #0,0,2: 70:[73, 5] Operation: 1+4=5 Moving to Node #0,1 Current State: 70:[1, 39, 30], Operations: ['73-43=30'] Exploring Operation: 39-1=38, Resulting Numbers: [30, 38] Generated Node #0,1,0: 70:[30, 38] Operation: 39-1=38 Exploring Operation: 39-30=9, Resulting Numbers: [1, 9] Generated Node #0,1,1: 70:[1, 9] Operation: 39-30=9 Exploring Operation: 39+30=69, Resulting Numbers: [1, 69] Generated Node #0,1,2: 70:[1, 69] Operation: 39+30=69 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[1, 9], Operations: ['73-43=30', '39-30=9'] Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[1, 69], Operations: ['73-43=30', '39+30=69'] Exploring Operation: 1*69=69, Resulting Numbers: [69] 69,70 unequal: No Solution Exploring Operation: 1+69=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[43, 1, 39, 73], Operations: [] Exploring Operation: 73-43=30, Resulting Numbers: [1, 39, 30] Generated Node #0,1: 70:[1, 39, 30] Operation: 73-43=30 Moving to Node #0,1 Current State: 70:[1, 39, 30], Operations: ['73-43=30'] Exploring Operation: 39+30=69, Resulting Numbers: [1, 69] Generated Node #0,1,2: 70:[1, 69] Operation: 39+30=69 Moving to Node #0,1,2 Current State: 70:[1, 69], Operations: ['73-43=30', '39+30=69'] Exploring Operation: 1+69=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 92, 7, 48, 64 ]
76
[ "92*48=4416", "4416/64=69", "7+69=76" ]
Current State: 76:[92, 7, 48, 64], Operations: [] Exploring Operation: 92*48=4416, Resulting Numbers: [7, 64, 4416] Generated Node #2: [7, 64, 4416] from Operation: 92*48=4416 Current State: 76:[7, 64, 4416], Operations: ['92*48=4416'] Exploring Operation: 4416/64=69, Resulting Numbers: [7, 69] Generated Node #3: [7, 69] from Operation: 4416/64=69 Current State: 76:[7, 69], Operations: ['92*48=4416', '4416/64=69'] Exploring Operation: 7+69=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[92, 7, 48, 64], Operations: [] Exploring Operation: 92-48=44, Resulting Numbers: [7, 64, 44] Generated Node #0,0: 76:[7, 64, 44] Operation: 92-48=44 Moving to Node #0,0 Current State: 76:[7, 64, 44], Operations: ['92-48=44'] Exploring Operation: 64-44=20, Resulting Numbers: [7, 20] Generated Node #0,0,0: 76:[7, 20] Operation: 64-44=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[7, 20], Operations: ['92-48=44', '64-44=20'] Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,76 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
[ 54, 48, 30, 49 ]
44
[ "54-48=6", "30/6=5", "49-5=44" ]
Current State: 44:[54, 48, 30, 49], Operations: [] Exploring Operation: 54-48=6, Resulting Numbers: [30, 49, 6] Generated Node #2: [30, 49, 6] from Operation: 54-48=6 Current State: 44:[30, 49, 6], Operations: ['54-48=6'] Exploring Operation: 30/6=5, Resulting Numbers: [49, 5] Generated Node #3: [49, 5] from Operation: 30/6=5 Current State: 44:[49, 5], Operations: ['54-48=6', '30/6=5'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[54, 48, 30, 49], Operations: [] Exploring Operation: 54-49=5, Resulting Numbers: [48, 30, 5] Generated Node #0,0: 44:[48, 30, 5] Operation: 54-49=5 Exploring Operation: 54-30=24, Resulting Numbers: [48, 49, 24] Generated Node #0,1: 44:[48, 49, 24] Operation: 54-30=24 Exploring Operation: 54-48=6, Resulting Numbers: [30, 49, 6] Generated Node #0,2: 44:[30, 49, 6] Operation: 54-48=6 Moving to Node #0,1 Current State: 44:[48, 49, 24], Operations: ['54-30=24'] Exploring Operation: 48/24=2, Resulting Numbers: [49, 2] Generated Node #0,1,0: 44:[49, 2] Operation: 48/24=2 Exploring Operation: 48-24=24, Resulting Numbers: [49, 24] Generated Node #0,1,1: 44:[49, 24] Operation: 48-24=24 Exploring Operation: 49-48=1, Resulting Numbers: [24, 1] Generated Node #0,1,2: 44:[24, 1] Operation: 49-48=1 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 44:[24, 1], Operations: ['54-30=24', '49-48=1'] Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 44:[49, 2], Operations: ['54-30=24', '48/24=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,44 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,44 unequal: No Solution Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[49, 24], Operations: ['54-30=24', '48-24=24'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,44 unequal: No Solution Exploring Operation: 49+24=73, Resulting Numbers: [73] 73,44 unequal: No Solution Exploring Operation: 49*24=1176, Resulting Numbers: [1176] 1176,44 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: 44:[48, 30, 5], Operations: ['54-49=5'] Exploring Operation: 30/5=6, Resulting Numbers: [48, 6] Generated Node #0,0,0: 44:[48, 6] Operation: 30/5=6 Exploring Operation: 30-5=25, Resulting Numbers: [48, 25] Generated Node #0,0,1: 44:[48, 25] Operation: 30-5=25 Exploring Operation: 48-30=18, Resulting Numbers: [5, 18] Generated Node #0,0,2: 44:[5, 18] Operation: 48-30=18 Moving to Node #0,2 Current State: 44:[30, 49, 6], Operations: ['54-48=6'] Exploring Operation: 30-6=24, Resulting Numbers: [49, 24] Generated Node #0,2,0: 44:[49, 24] Operation: 30-6=24 Exploring Operation: 49-30=19, Resulting Numbers: [6, 19] Generated Node #0,2,1: 44:[6, 19] Operation: 49-30=19 Exploring Operation: 30/6=5, Resulting Numbers: [49, 5] Generated Node #0,2,2: 44:[49, 5] Operation: 30/6=5 Moving to Node #0,0,2 Current State: 44:[5, 18], Operations: ['54-49=5', '48-30=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,44 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[6, 19], Operations: ['54-48=6', '49-30=19'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,44 unequal: No Solution Exploring Operation: 6*19=114, Resulting Numbers: [114] 114,44 unequal: No Solution Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[49, 5], Operations: ['54-48=6', '30/6=5'] Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 49*5=245, Resulting Numbers: [245] 245,44 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[54, 48, 30, 49], Operations: [] Exploring Operation: 54-48=6, Resulting Numbers: [30, 49, 6] Generated Node #0,2: 44:[30, 49, 6] Operation: 54-48=6 Moving to Node #0,2 Current State: 44:[30, 49, 6], Operations: ['54-48=6'] Exploring Operation: 30/6=5, Resulting Numbers: [49, 5] Generated Node #0,2,2: 44:[49, 5] Operation: 30/6=5 Moving to Node #0,2,2 Current State: 44:[49, 5], Operations: ['54-48=6', '30/6=5'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
0.970486
hs_3
sum_heuristic
[ 55, 19, 43, 45 ]
52
[ "55-19=36", "43+45=88", "88-36=52" ]
Current State: 52:[55, 19, 43, 45], Operations: [] Exploring Operation: 55-19=36, Resulting Numbers: [43, 45, 36] Generated Node #2: [43, 45, 36] from Operation: 55-19=36 Current State: 52:[43, 45, 36], Operations: ['55-19=36'] Exploring Operation: 43+45=88, Resulting Numbers: [36, 88] Generated Node #3: [36, 88] from Operation: 43+45=88 Current State: 52:[36, 88], Operations: ['55-19=36', '43+45=88'] Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[55, 19, 43, 45], Operations: [] Exploring Operation: 45-43=2, Resulting Numbers: [55, 19, 2] Generated Node #0,0: 52:[55, 19, 2] Operation: 45-43=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[55, 19, 2], Operations: ['45-43=2'] Exploring Operation: 55-2=53, Resulting Numbers: [19, 53] Generated Node #0,0,0: 52:[19, 53] Operation: 55-2=53 Moving to Node #0,0,0 Current State: 52:[19, 53], Operations: ['45-43=2', '55-2=53'] Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,52 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
[ 54, 72, 7, 5 ]
79
[ "54-5=49", "49/7=7", "72+7=79" ]
Current State: 79:[54, 72, 7, 5], Operations: [] Exploring Operation: 54-5=49, Resulting Numbers: [72, 7, 49] Generated Node #2: [72, 7, 49] from Operation: 54-5=49 Current State: 79:[72, 7, 49], Operations: ['54-5=49'] Exploring Operation: 49/7=7, Resulting Numbers: [72, 7] Generated Node #3: [72, 7] from Operation: 49/7=7 Current State: 79:[72, 7], Operations: ['54-5=49', '49/7=7'] Exploring Operation: 72+7=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[54, 72, 7, 5], Operations: [] Exploring Operation: 7*5=35, Resulting Numbers: [54, 72, 35] Generated Node #0,0: 79:[54, 72, 35] Operation: 7*5=35 Exploring Operation: 54+7=61, Resulting Numbers: [72, 5, 61] Generated Node #0,1: 79:[72, 5, 61] Operation: 54+7=61 Exploring Operation: 54+5=59, Resulting Numbers: [72, 7, 59] Generated Node #0,2: 79:[72, 7, 59] Operation: 54+5=59 Moving to Node #0,0 Current State: 79:[54, 72, 35], Operations: ['7*5=35'] Exploring Operation: 72+35=107, Resulting Numbers: [54, 107] Generated Node #0,0,0: 79:[54, 107] Operation: 72+35=107 Exploring Operation: 54-35=19, Resulting Numbers: [72, 19] Generated Node #0,0,1: 79:[72, 19] Operation: 54-35=19 Exploring Operation: 54+35=89, Resulting Numbers: [72, 89] Generated Node #0,0,2: 79:[72, 89] Operation: 54+35=89 Moving to Node #0,1 Current State: 79:[72, 5, 61], Operations: ['54+7=61'] Exploring Operation: 5+61=66, Resulting Numbers: [72, 66] Generated Node #0,1,0: 79:[72, 66] Operation: 5+61=66 Exploring Operation: 72+5=77, Resulting Numbers: [61, 77] Generated Node #0,1,1: 79:[61, 77] Operation: 72+5=77 Exploring Operation: 72-5=67, Resulting Numbers: [61, 67] Generated Node #0,1,2: 79:[61, 67] Operation: 72-5=67 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[72, 66], Operations: ['54+7=61', '5+61=66'] Exploring Operation: 72*66=4752, Resulting Numbers: [4752] 4752,79 unequal: No Solution Exploring Operation: 72-66=6, Resulting Numbers: [6] 6,79 unequal: No Solution Exploring Operation: 72+66=138, Resulting Numbers: [138] 138,79 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 #0,1,1 Current State: 79:[61, 77], Operations: ['54+7=61', '72+5=77'] Exploring Operation: 77-61=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 61+77=138, Resulting Numbers: [138] 138,79 unequal: No Solution Exploring Operation: 61*77=4697, Resulting Numbers: [4697] 4697,79 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 #0,1,2 Current State: 79:[61, 67], Operations: ['54+7=61', '72-5=67'] Exploring Operation: 67-61=6, Resulting Numbers: [6] 6,79 unequal: No Solution Exploring Operation: 61*67=4087, Resulting Numbers: [4087] 4087,79 unequal: No Solution Exploring Operation: 61+67=128, Resulting Numbers: [128] 128,79 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: 79:[72, 7, 59], Operations: ['54+5=59'] Exploring Operation: 72-7=65, Resulting Numbers: [59, 65] Generated Node #0,2,0: 79:[59, 65] Operation: 72-7=65 Exploring Operation: 72+7=79, Resulting Numbers: [59, 79] Generated Node #0,2,1: 79:[59, 79] Operation: 72+7=79 Exploring Operation: 7+59=66, Resulting Numbers: [72, 66] Generated Node #0,2,2: 79:[72, 66] Operation: 7+59=66 Moving to Node #0,0,2 Current State: 79:[72, 89], Operations: ['7*5=35', '54+35=89'] Exploring Operation: 72+89=161, Resulting Numbers: [161] 161,79 unequal: No Solution Exploring Operation: 72*89=6408, Resulting Numbers: [6408] 6408,79 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[59, 79], Operations: ['54+5=59', '72+7=79'] Exploring Operation: 59+79=138, Resulting Numbers: [138] 138,79 unequal: No Solution Exploring Operation: 59*79=4661, Resulting Numbers: [4661] 4661,79 unequal: No Solution Exploring Operation: 79-59=20, Resulting Numbers: [20] 20,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[72, 66], Operations: ['54+5=59', '7+59=66'] Exploring Operation: 72*66=4752, Resulting Numbers: [4752] 4752,79 unequal: No Solution Exploring Operation: 72+66=138, Resulting Numbers: [138] 138,79 unequal: No Solution Exploring Operation: 72-66=6, Resulting Numbers: [6] 6,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[59, 65], Operations: ['54+5=59', '72-7=65'] Exploring Operation: 65-59=6, Resulting Numbers: [6] 6,79 unequal: No Solution Exploring Operation: 59*65=3835, Resulting Numbers: [3835] 3835,79 unequal: No Solution Exploring Operation: 59+65=124, Resulting Numbers: [124] 124,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[54, 107], Operations: ['7*5=35', '72+35=107'] Exploring Operation: 107-54=53, Resulting Numbers: [53] 53,79 unequal: No Solution Exploring Operation: 54*107=5778, Resulting Numbers: [5778] 5778,79 unequal: No Solution Exploring Operation: 54+107=161, Resulting Numbers: [161] 161,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[72, 19], Operations: ['7*5=35', '54-35=19'] Exploring Operation: 72*19=1368, Resulting Numbers: [1368] 1368,79 unequal: No Solution Exploring Operation: 72+19=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,79 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 86, 2, 10, 96 ]
63
[ "86/2=43", "10+96=106", "106-43=63" ]
Current State: 63:[86, 2, 10, 96], Operations: [] Exploring Operation: 86/2=43, Resulting Numbers: [10, 96, 43] Generated Node #2: [10, 96, 43] from Operation: 86/2=43 Current State: 63:[10, 96, 43], Operations: ['86/2=43'] Exploring Operation: 10+96=106, Resulting Numbers: [43, 106] Generated Node #3: [43, 106] from Operation: 10+96=106 Current State: 63:[43, 106], Operations: ['86/2=43', '10+96=106'] Exploring Operation: 106-43=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[86, 2, 10, 96], Operations: [] Exploring Operation: 96-86=10, Resulting Numbers: [2, 10, 10] Generated Node #0,0: 63:[2, 10, 10] Operation: 96-86=10 Moving to Node #0,0 Current State: 63:[2, 10, 10], Operations: ['96-86=10'] Exploring Operation: 2*10=20, Resulting Numbers: [10, 20] Generated Node #0,0,0: 63:[10, 20] Operation: 2*10=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[10, 20], Operations: ['96-86=10', '2*10=20'] Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 87, 26, 90, 20 ]
34
[ "90-87=3", "20*3=60", "60-26=34" ]
Current State: 34:[87, 26, 90, 20], Operations: [] Exploring Operation: 90-87=3, Resulting Numbers: [26, 20, 3] Generated Node #2: [26, 20, 3] from Operation: 90-87=3 Current State: 34:[26, 20, 3], Operations: ['90-87=3'] Exploring Operation: 20*3=60, Resulting Numbers: [26, 60] Generated Node #3: [26, 60] from Operation: 20*3=60 Current State: 34:[26, 60], Operations: ['90-87=3', '20*3=60'] Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[87, 26, 90, 20], Operations: [] Exploring Operation: 87-26=61, Resulting Numbers: [90, 20, 61] Generated Node #0,0: 34:[90, 20, 61] Operation: 87-26=61 Exploring Operation: 90-87=3, Resulting Numbers: [26, 20, 3] Generated Node #0,1: 34:[26, 20, 3] Operation: 90-87=3 Moving to Node #0,1 Current State: 34:[26, 20, 3], Operations: ['90-87=3'] Exploring Operation: 26-20=6, Resulting Numbers: [3, 6] Generated Node #0,1,0: 34:[3, 6] Operation: 26-20=6 Exploring Operation: 26+3=29, Resulting Numbers: [20, 29] Generated Node #0,1,1: 34:[20, 29] Operation: 26+3=29 Moving to Node #0,0 Current State: 34:[90, 20, 61], Operations: ['87-26=61'] Exploring Operation: 90-61=29, Resulting Numbers: [20, 29] Generated Node #0,0,0: 34:[20, 29] Operation: 90-61=29 Exploring Operation: 90-20=70, Resulting Numbers: [61, 70] Generated Node #0,0,1: 34:[61, 70] Operation: 90-20=70 Moving to Node #0,1,0 Current State: 34:[3, 6], Operations: ['90-87=3', '26-20=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[20, 29], Operations: ['87-26=61', '90-61=29'] Exploring Operation: 20+29=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[20, 29], Operations: ['90-87=3', '26+3=29'] Exploring Operation: 20+29=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[61, 70], Operations: ['87-26=61', '90-20=70'] Exploring Operation: 70-61=9, Resulting Numbers: [9] 9,34 unequal: No Solution Exploring Operation: 61+70=131, Resulting Numbers: [131] 131,34 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 57, 15, 48, 54 ]
21
[ "57-48=9", "54/9=6", "15+6=21" ]
Current State: 21:[57, 15, 48, 54], Operations: [] Exploring Operation: 57-48=9, Resulting Numbers: [15, 54, 9] Generated Node #2: [15, 54, 9] from Operation: 57-48=9 Current State: 21:[15, 54, 9], Operations: ['57-48=9'] Exploring Operation: 54/9=6, Resulting Numbers: [15, 6] Generated Node #3: [15, 6] from Operation: 54/9=6 Current State: 21:[15, 6], Operations: ['57-48=9', '54/9=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[57, 15, 48, 54], Operations: [] Exploring Operation: 57-54=3, Resulting Numbers: [15, 48, 3] Generated Node #0,0: 21:[15, 48, 3] Operation: 57-54=3 Exploring Operation: 54-48=6, Resulting Numbers: [57, 15, 6] Generated Node #0,1: 21:[57, 15, 6] Operation: 54-48=6 Exploring Operation: 57-48=9, Resulting Numbers: [15, 54, 9] Generated Node #0,2: 21:[15, 54, 9] Operation: 57-48=9 Moving to Node #0,0 Current State: 21:[15, 48, 3], Operations: ['57-54=3'] Exploring Operation: 15/3=5, Resulting Numbers: [48, 5] Generated Node #0,0,0: 21:[48, 5] Operation: 15/3=5 Exploring Operation: 48/3=16, Resulting Numbers: [15, 16] Generated Node #0,0,1: 21:[15, 16] Operation: 48/3=16 Exploring Operation: 48-15=33, Resulting Numbers: [3, 33] Generated Node #0,0,2: 21:[3, 33] Operation: 48-15=33 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 21:[15, 16], Operations: ['57-54=3', '48/3=16'] Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,21 unequal: No Solution Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,21 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 21:[3, 33], Operations: ['57-54=3', '48-15=33'] Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,21 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[48, 5], Operations: ['57-54=3', '15/3=5'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,21 unequal: No Solution Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,21 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,21 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:[15, 54, 9], Operations: ['57-48=9'] Exploring Operation: 54-15=39, Resulting Numbers: [9, 39] Generated Node #0,2,0: 21:[9, 39] Operation: 54-15=39 Exploring Operation: 54/9=6, Resulting Numbers: [15, 6] Generated Node #0,2,1: 21:[15, 6] Operation: 54/9=6 Exploring Operation: 54-9=45, Resulting Numbers: [15, 45] Generated Node #0,2,2: 21:[15, 45] Operation: 54-9=45 Moving to Node #0,1 Current State: 21:[57, 15, 6], Operations: ['54-48=6'] Exploring Operation: 15+6=21, Resulting Numbers: [57, 21] Generated Node #0,1,0: 21:[57, 21] Operation: 15+6=21 Exploring Operation: 57-15=42, Resulting Numbers: [6, 42] Generated Node #0,1,1: 21:[6, 42] Operation: 57-15=42 Exploring Operation: 57-6=51, Resulting Numbers: [15, 51] Generated Node #0,1,2: 21:[15, 51] Operation: 57-6=51 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 21:[6, 42], Operations: ['54-48=6', '57-15=42'] Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,21 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[57, 21], Operations: ['54-48=6', '15+6=21'] Exploring Operation: 57+21=78, Resulting Numbers: [78] 78,21 unequal: No Solution Exploring Operation: 57-21=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 57*21=1197, Resulting Numbers: [1197] 1197,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 21:[15, 51], Operations: ['54-48=6', '57-6=51'] Exploring Operation: 15*51=765, Resulting Numbers: [765] 765,21 unequal: No Solution Exploring Operation: 15+51=66, Resulting Numbers: [66] 66,21 unequal: No Solution Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 21:[15, 6], Operations: ['57-48=9', '54/9=6'] Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,21 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,21 unequal: No Solution Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[57, 15, 48, 54], Operations: [] Exploring Operation: 57-48=9, Resulting Numbers: [15, 54, 9] Generated Node #0,2: 21:[15, 54, 9] Operation: 57-48=9 Moving to Node #0,2 Current State: 21:[15, 54, 9], Operations: ['57-48=9'] Exploring Operation: 54/9=6, Resulting Numbers: [15, 6] Generated Node #0,2,1: 21:[15, 6] Operation: 54/9=6 Moving to Node #0,2,1 Current State: 21:[15, 6], Operations: ['57-48=9', '54/9=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.967882
hs_3
sum_heuristic
[ 62, 30, 83, 77 ]
81
[ "77-62=15", "30/15=2", "83-2=81" ]
Current State: 81:[62, 30, 83, 77], Operations: [] Exploring Operation: 77-62=15, Resulting Numbers: [30, 83, 15] Generated Node #2: [30, 83, 15] from Operation: 77-62=15 Current State: 81:[30, 83, 15], Operations: ['77-62=15'] Exploring Operation: 30/15=2, Resulting Numbers: [83, 2] Generated Node #3: [83, 2] from Operation: 30/15=2 Current State: 81:[83, 2], Operations: ['77-62=15', '30/15=2'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[62, 30, 83, 77], Operations: [] Exploring Operation: 62-30=32, Resulting Numbers: [83, 77, 32] Generated Node #0,0: 81:[83, 77, 32] Operation: 62-30=32 Exploring Operation: 77-62=15, Resulting Numbers: [30, 83, 15] Generated Node #0,1: 81:[30, 83, 15] Operation: 77-62=15 Moving to Node #0,0 Current State: 81:[83, 77, 32], Operations: ['62-30=32'] Exploring Operation: 77-32=45, Resulting Numbers: [83, 45] Generated Node #0,0,0: 81:[83, 45] Operation: 77-32=45 Exploring Operation: 83-77=6, Resulting Numbers: [32, 6] Generated Node #0,0,1: 81:[32, 6] Operation: 83-77=6 Moving to Node #0,1 Current State: 81:[30, 83, 15], Operations: ['77-62=15'] Exploring Operation: 30-15=15, Resulting Numbers: [83, 15] Generated Node #0,1,0: 81:[83, 15] Operation: 30-15=15 Exploring Operation: 30/15=2, Resulting Numbers: [83, 2] Generated Node #0,1,1: 81:[83, 2] Operation: 30/15=2 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[83, 2], Operations: ['77-62=15', '30/15=2'] Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,81 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[62, 30, 83, 77], Operations: [] Exploring Operation: 77-62=15, Resulting Numbers: [30, 83, 15] Generated Node #0,1: 81:[30, 83, 15] Operation: 77-62=15 Moving to Node #0,1 Current State: 81:[30, 83, 15], Operations: ['77-62=15'] Exploring Operation: 30/15=2, Resulting Numbers: [83, 2] Generated Node #0,1,1: 81:[83, 2] Operation: 30/15=2 Moving to Node #0,1,1 Current State: 81:[83, 2], Operations: ['77-62=15', '30/15=2'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 73, 82, 9, 86 ]
78
[ "73+82=155", "86-9=77", "155-77=78" ]
Current State: 78:[73, 82, 9, 86], Operations: [] Exploring Operation: 73+82=155, Resulting Numbers: [9, 86, 155] Generated Node #2: [9, 86, 155] from Operation: 73+82=155 Current State: 78:[9, 86, 155], Operations: ['73+82=155'] Exploring Operation: 86-9=77, Resulting Numbers: [155, 77] Generated Node #3: [155, 77] from Operation: 86-9=77 Current State: 78:[155, 77], Operations: ['73+82=155', '86-9=77'] Exploring Operation: 155-77=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[73, 82, 9, 86], Operations: [] Exploring Operation: 86-73=13, Resulting Numbers: [82, 9, 13] Generated Node #0,0: 78:[82, 9, 13] Operation: 86-73=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[82, 9, 13], Operations: ['86-73=13'] Exploring Operation: 82-9=73, Resulting Numbers: [13, 73] Generated Node #0,0,0: 78:[13, 73] Operation: 82-9=73 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[13, 73], Operations: ['86-73=13', '82-9=73'] Exploring Operation: 13+73=86, Resulting Numbers: [86] 86,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 56, 91, 21, 78 ]
66
[ "56+21=77", "78*77=6006", "6006/91=66" ]
Current State: 66:[56, 91, 21, 78], Operations: [] Exploring Operation: 56+21=77, Resulting Numbers: [91, 78, 77] Generated Node #2: [91, 78, 77] from Operation: 56+21=77 Current State: 66:[91, 78, 77], Operations: ['56+21=77'] Exploring Operation: 78*77=6006, Resulting Numbers: [91, 6006] Generated Node #3: [91, 6006] from Operation: 78*77=6006 Current State: 66:[91, 6006], Operations: ['56+21=77', '78*77=6006'] Exploring Operation: 6006/91=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[56, 91, 21, 78], Operations: [] Exploring Operation: 91-78=13, Resulting Numbers: [56, 21, 13] Generated Node #0,0: 66:[56, 21, 13] Operation: 91-78=13 Exploring Operation: 91-56=35, Resulting Numbers: [21, 78, 35] Generated Node #0,1: 66:[21, 78, 35] Operation: 91-56=35 Exploring Operation: 91-21=70, Resulting Numbers: [56, 78, 70] Generated Node #0,2: 66:[56, 78, 70] Operation: 91-21=70 Exploring Operation: 78-56=22, Resulting Numbers: [91, 21, 22] Generated Node #0,3: 66:[91, 21, 22] Operation: 78-56=22 Moving to Node #0,0 Current State: 66:[56, 21, 13], Operations: ['91-78=13'] Exploring Operation: 56-13=43, Resulting Numbers: [21, 43] Generated Node #0,0,0: 66:[21, 43] Operation: 56-13=43 Exploring Operation: 56-21=35, Resulting Numbers: [13, 35] Generated Node #0,0,1: 66:[13, 35] Operation: 56-21=35 Exploring Operation: 21+13=34, Resulting Numbers: [56, 34] Generated Node #0,0,2: 66:[56, 34] Operation: 21+13=34 Exploring Operation: 56+13=69, Resulting Numbers: [21, 69] Generated Node #0,0,3: 66:[21, 69] Operation: 56+13=69 Moving to Node #0,1 Current State: 66:[21, 78, 35], Operations: ['91-56=35'] Exploring Operation: 21+35=56, Resulting Numbers: [78, 56] Generated Node #0,1,0: 66:[78, 56] Operation: 21+35=56 Exploring Operation: 35-21=14, Resulting Numbers: [78, 14] Generated Node #0,1,1: 66:[78, 14] Operation: 35-21=14 Exploring Operation: 78-21=57, Resulting Numbers: [35, 57] Generated Node #0,1,2: 66:[35, 57] Operation: 78-21=57 Exploring Operation: 78-35=43, Resulting Numbers: [21, 43] Generated Node #0,1,3: 66:[21, 43] Operation: 78-35=43 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 66:[35, 57], Operations: ['91-56=35', '78-21=57'] Exploring Operation: 35*57=1995, Resulting Numbers: [1995] 1995,66 unequal: No Solution Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,66 unequal: No Solution Exploring Operation: 35+57=92, Resulting Numbers: [92] 92,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 66:[21, 43], Operations: ['91-56=35', '78-35=43'] Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,66 unequal: No Solution Exploring Operation: 21*43=903, Resulting Numbers: [903] 903,66 unequal: No Solution Exploring Operation: 21+43=64, Resulting Numbers: [64] 64,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 66:[78, 14], Operations: ['91-56=35', '35-21=14'] Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,66 unequal: No Solution Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,66 unequal: No Solution Exploring Operation: 78*14=1092, Resulting Numbers: [1092] 1092,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[78, 56], Operations: ['91-56=35', '21+35=56'] Exploring Operation: 78+56=134, Resulting Numbers: [134] 134,66 unequal: No Solution Exploring Operation: 78-56=22, Resulting Numbers: [22] 22,66 unequal: No Solution Exploring Operation: 78*56=4368, Resulting Numbers: [4368] 4368,66 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: 66:[91, 21, 22], Operations: ['78-56=22'] Exploring Operation: 22-21=1, Resulting Numbers: [91, 1] Generated Node #0,3,0: 66:[91, 1] Operation: 22-21=1 Exploring Operation: 91-22=69, Resulting Numbers: [21, 69] Generated Node #0,3,1: 66:[21, 69] Operation: 91-22=69 Exploring Operation: 91-21=70, Resulting Numbers: [22, 70] Generated Node #0,3,2: 66:[22, 70] Operation: 91-21=70 Exploring Operation: 21+22=43, Resulting Numbers: [91, 43] Generated Node #0,3,3: 66:[91, 43] Operation: 21+22=43 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 66:[21, 69], Operations: ['78-56=22', '91-22=69'] Exploring Operation: 21*69=1449, Resulting Numbers: [1449] 1449,66 unequal: No Solution Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 21+69=90, Resulting Numbers: [90] 90,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 66:[22, 70], Operations: ['78-56=22', '91-21=70'] Exploring Operation: 70-22=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 22*70=1540, Resulting Numbers: [1540] 1540,66 unequal: No Solution Exploring Operation: 22+70=92, Resulting Numbers: [92] 92,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 66:[91, 1], Operations: ['78-56=22', '22-21=1'] Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,66 unequal: No Solution Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,66 unequal: No Solution Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,66 unequal: No Solution Exploring Operation: 91+1=92, Resulting Numbers: [92] 92,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 66:[91, 43], Operations: ['78-56=22', '21+22=43'] Exploring Operation: 91+43=134, Resulting Numbers: [134] 134,66 unequal: No Solution Exploring Operation: 91-43=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 91*43=3913, Resulting Numbers: [3913] 3913,66 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: 66:[56, 78, 70], Operations: ['91-21=70'] Exploring Operation: 78-70=8, Resulting Numbers: [56, 8] Generated Node #0,2,0: 66:[56, 8] Operation: 78-70=8 Exploring Operation: 78-56=22, Resulting Numbers: [70, 22] Generated Node #0,2,1: 66:[70, 22] Operation: 78-56=22 Exploring Operation: 70-56=14, Resulting Numbers: [78, 14] Generated Node #0,2,2: 66:[78, 14] Operation: 70-56=14 Exploring Operation: 56+78=134, Resulting Numbers: [70, 134] Generated Node #0,2,3: 66:[70, 134] Operation: 56+78=134 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 66:[70, 22], Operations: ['91-21=70', '78-56=22'] Exploring Operation: 70*22=1540, Resulting Numbers: [1540] 1540,66 unequal: No Solution Exploring Operation: 70-22=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 70+22=92, Resulting Numbers: [92] 92,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 66:[56, 8], Operations: ['91-21=70', '78-70=8'] Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,66 unequal: No Solution Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 56*8=448, Resulting Numbers: [448] 448,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 66:[78, 14], Operations: ['91-21=70', '70-56=14'] Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,66 unequal: No Solution Exploring Operation: 78*14=1092, Resulting Numbers: [1092] 1092,66 unequal: No Solution Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 66:[70, 134], Operations: ['91-21=70', '56+78=134'] Exploring Operation: 70+134=204, Resulting Numbers: [204] 204,66 unequal: No Solution Exploring Operation: 70*134=9380, Resulting Numbers: [9380] 9380,66 unequal: No Solution Exploring Operation: 134-70=64, Resulting Numbers: [64] 64,66 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: 66:[13, 35], Operations: ['91-78=13', '56-21=35'] Exploring Operation: 13+35=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 13*35=455, Resulting Numbers: [455] 455,66 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[21, 69], Operations: ['91-78=13', '56+13=69'] Exploring Operation: 21*69=1449, Resulting Numbers: [1449] 1449,66 unequal: No Solution Exploring Operation: 21+69=90, Resulting Numbers: [90] 90,66 unequal: No Solution Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,66 unequal: No Solution Moving to Node #0,0,2 Current State: 66:[56, 34], Operations: ['91-78=13', '21+13=34'] Exploring Operation: 56*34=1904, Resulting Numbers: [1904] 1904,66 unequal: No Solution Exploring Operation: 56+34=90, Resulting Numbers: [90] 90,66 unequal: No Solution Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[21, 43], Operations: ['91-78=13', '56-13=43'] Exploring Operation: 21+43=64, Resulting Numbers: [64] 64,66 unequal: No Solution Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,66 unequal: No Solution Exploring Operation: 21*43=903, Resulting Numbers: [903] 903,66 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 74, 15, 16, 67 ]
97
[ "74-67=7", "16*7=112", "112-15=97" ]
Current State: 97:[74, 15, 16, 67], Operations: [] Exploring Operation: 74-67=7, Resulting Numbers: [15, 16, 7] Generated Node #2: [15, 16, 7] from Operation: 74-67=7 Current State: 97:[15, 16, 7], Operations: ['74-67=7'] Exploring Operation: 16*7=112, Resulting Numbers: [15, 112] Generated Node #3: [15, 112] from Operation: 16*7=112 Current State: 97:[15, 112], Operations: ['74-67=7', '16*7=112'] Exploring Operation: 112-15=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[74, 15, 16, 67], Operations: [] Exploring Operation: 74+15=89, Resulting Numbers: [16, 67, 89] Generated Node #0,0: 97:[16, 67, 89] Operation: 74+15=89 Exploring Operation: 74+16=90, Resulting Numbers: [15, 67, 90] Generated Node #0,1: 97:[15, 67, 90] Operation: 74+16=90 Exploring Operation: 15+16=31, Resulting Numbers: [74, 67, 31] Generated Node #0,2: 97:[74, 67, 31] Operation: 15+16=31 Moving to Node #0,0 Current State: 97:[16, 67, 89], Operations: ['74+15=89'] Exploring Operation: 67-16=51, Resulting Numbers: [89, 51] Generated Node #0,0,0: 97:[89, 51] Operation: 67-16=51 Exploring Operation: 16+89=105, Resulting Numbers: [67, 105] Generated Node #0,0,1: 97:[67, 105] Operation: 16+89=105 Exploring Operation: 16+67=83, Resulting Numbers: [89, 83] Generated Node #0,0,2: 97:[89, 83] Operation: 16+67=83 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[89, 83], Operations: ['74+15=89', '16+67=83'] Exploring Operation: 89-83=6, Resulting Numbers: [6] 6,97 unequal: No Solution Exploring Operation: 89*83=7387, Resulting Numbers: [7387] 7387,97 unequal: No Solution Exploring Operation: 89+83=172, Resulting Numbers: [172] 172,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[67, 105], Operations: ['74+15=89', '16+89=105'] Exploring Operation: 67+105=172, Resulting Numbers: [172] 172,97 unequal: No Solution Exploring Operation: 67*105=7035, Resulting Numbers: [7035] 7035,97 unequal: No Solution Exploring Operation: 105-67=38, Resulting Numbers: [38] 38,97 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:[89, 51], Operations: ['74+15=89', '67-16=51'] Exploring Operation: 89+51=140, Resulting Numbers: [140] 140,97 unequal: No Solution Exploring Operation: 89-51=38, Resulting Numbers: [38] 38,97 unequal: No Solution Exploring Operation: 89*51=4539, Resulting Numbers: [4539] 4539,97 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:[15, 67, 90], Operations: ['74+16=90'] Exploring Operation: 15+67=82, Resulting Numbers: [90, 82] Generated Node #0,1,0: 97:[90, 82] Operation: 15+67=82 Exploring Operation: 67-15=52, Resulting Numbers: [90, 52] Generated Node #0,1,1: 97:[90, 52] Operation: 67-15=52 Exploring Operation: 15+90=105, Resulting Numbers: [67, 105] Generated Node #0,1,2: 97:[67, 105] Operation: 15+90=105 Moving to Node #0,2 Current State: 97:[74, 67, 31], Operations: ['15+16=31'] Exploring Operation: 67+31=98, Resulting Numbers: [74, 98] Generated Node #0,2,0: 97:[74, 98] Operation: 67+31=98 Exploring Operation: 74-31=43, Resulting Numbers: [67, 43] Generated Node #0,2,1: 97:[67, 43] Operation: 74-31=43 Exploring Operation: 74+31=105, Resulting Numbers: [67, 105] Generated Node #0,2,2: 97:[67, 105] Operation: 74+31=105 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[74, 98], Operations: ['15+16=31', '67+31=98'] Exploring Operation: 74*98=7252, Resulting Numbers: [7252] 7252,97 unequal: No Solution Exploring Operation: 98-74=24, Resulting Numbers: [24] 24,97 unequal: No Solution Exploring Operation: 74+98=172, Resulting Numbers: [172] 172,97 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:[67, 105], Operations: ['15+16=31', '74+31=105'] Exploring Operation: 67*105=7035, Resulting Numbers: [7035] 7035,97 unequal: No Solution Exploring Operation: 105-67=38, Resulting Numbers: [38] 38,97 unequal: No Solution Exploring Operation: 67+105=172, Resulting Numbers: [172] 172,97 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:[67, 43], Operations: ['15+16=31', '74-31=43'] Exploring Operation: 67-43=24, Resulting Numbers: [24] 24,97 unequal: No Solution Exploring Operation: 67*43=2881, Resulting Numbers: [2881] 2881,97 unequal: No Solution Exploring Operation: 67+43=110, Resulting Numbers: [110] 110,97 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: 97:[90, 82], Operations: ['74+16=90', '15+67=82'] Exploring Operation: 90-82=8, Resulting Numbers: [8] 8,97 unequal: No Solution Exploring Operation: 90*82=7380, Resulting Numbers: [7380] 7380,97 unequal: No Solution Exploring Operation: 90+82=172, Resulting Numbers: [172] 172,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[67, 105], Operations: ['74+16=90', '15+90=105'] Exploring Operation: 67+105=172, Resulting Numbers: [172] 172,97 unequal: No Solution Exploring Operation: 67*105=7035, Resulting Numbers: [7035] 7035,97 unequal: No Solution Exploring Operation: 105-67=38, Resulting Numbers: [38] 38,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[90, 52], Operations: ['74+16=90', '67-15=52'] Exploring Operation: 90*52=4680, Resulting Numbers: [4680] 4680,97 unequal: No Solution Exploring Operation: 90-52=38, Resulting Numbers: [38] 38,97 unequal: No Solution Exploring Operation: 90+52=142, Resulting Numbers: [142] 142,97 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 27, 39, 51, 2 ]
45
[ "39-27=12", "12/2=6", "51-6=45" ]
Current State: 45:[27, 39, 51, 2], Operations: [] Exploring Operation: 39-27=12, Resulting Numbers: [51, 2, 12] Generated Node #2: [51, 2, 12] from Operation: 39-27=12 Current State: 45:[51, 2, 12], Operations: ['39-27=12'] Exploring Operation: 12/2=6, Resulting Numbers: [51, 6] Generated Node #3: [51, 6] from Operation: 12/2=6 Current State: 45:[51, 6], Operations: ['39-27=12', '12/2=6'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[27, 39, 51, 2], Operations: [] Exploring Operation: 27*2=54, Resulting Numbers: [39, 51, 54] Generated Node #0,0: 45:[39, 51, 54] Operation: 27*2=54 Exploring Operation: 27-2=25, Resulting Numbers: [39, 51, 25] Generated Node #0,1: 45:[39, 51, 25] Operation: 27-2=25 Exploring Operation: 51-39=12, Resulting Numbers: [27, 2, 12] Generated Node #0,2: 45:[27, 2, 12] Operation: 51-39=12 Exploring Operation: 39-27=12, Resulting Numbers: [51, 2, 12] Generated Node #0,3: 45:[51, 2, 12] Operation: 39-27=12 Exploring Operation: 51-27=24, Resulting Numbers: [39, 2, 24] Generated Node #0,4: 45:[39, 2, 24] Operation: 51-27=24 Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[51, 2, 12], Operations: ['39-27=12'] Exploring Operation: 2+12=14, Resulting Numbers: [51, 14] Generated Node #0,3,0: 45:[51, 14] Operation: 2+12=14 Exploring Operation: 12-2=10, Resulting Numbers: [51, 10] Generated Node #0,3,1: 45:[51, 10] Operation: 12-2=10 Exploring Operation: 51-2=49, Resulting Numbers: [12, 49] Generated Node #0,3,2: 45:[12, 49] Operation: 51-2=49 Exploring Operation: 12/2=6, Resulting Numbers: [51, 6] Generated Node #0,3,3: 45:[51, 6] Operation: 12/2=6 Exploring Operation: 51-12=39, Resulting Numbers: [2, 39] Generated Node #0,3,4: 45:[2, 39] Operation: 51-12=39 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 45:[51, 14], Operations: ['39-27=12', '2+12=14'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,45 unequal: No Solution Exploring Operation: 51*14=714, Resulting Numbers: [714] 714,45 unequal: No Solution Exploring Operation: 51+14=65, Resulting Numbers: [65] 65,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 45:[51, 10], Operations: ['39-27=12', '12-2=10'] Exploring Operation: 51*10=510, Resulting Numbers: [510] 510,45 unequal: No Solution Exploring Operation: 51+10=61, Resulting Numbers: [61] 61,45 unequal: No Solution Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 45:[12, 49], Operations: ['39-27=12', '51-2=49'] Exploring Operation: 12+49=61, Resulting Numbers: [61] 61,45 unequal: No Solution Exploring Operation: 12*49=588, Resulting Numbers: [588] 588,45 unequal: No Solution Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 45:[51, 6], Operations: ['39-27=12', '12/2=6'] Exploring Operation: 51*6=306, Resulting Numbers: [306] 306,45 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[27, 39, 51, 2], Operations: [] Exploring Operation: 39-27=12, Resulting Numbers: [51, 2, 12] Generated Node #0,3: 45:[51, 2, 12] Operation: 39-27=12 Moving to Node #0,3 Current State: 45:[51, 2, 12], Operations: ['39-27=12'] Exploring Operation: 12/2=6, Resulting Numbers: [51, 6] Generated Node #0,3,3: 45:[51, 6] Operation: 12/2=6 Moving to Node #0,3,3 Current State: 45:[51, 6], Operations: ['39-27=12', '12/2=6'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_5
mult_heuristic
[ 38, 14, 96, 35 ]
39
[ "38-14=24", "96/24=4", "35+4=39" ]
Current State: 39:[38, 14, 96, 35], Operations: [] Exploring Operation: 38-14=24, Resulting Numbers: [96, 35, 24] Generated Node #2: [96, 35, 24] from Operation: 38-14=24 Current State: 39:[96, 35, 24], Operations: ['38-14=24'] Exploring Operation: 96/24=4, Resulting Numbers: [35, 4] Generated Node #3: [35, 4] from Operation: 96/24=4 Current State: 39:[35, 4], Operations: ['38-14=24', '96/24=4'] Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[38, 14, 96, 35], Operations: [] Exploring Operation: 96-38=58, Resulting Numbers: [14, 35, 58] Generated Node #0,0: 39:[14, 35, 58] Operation: 96-38=58 Moving to Node #0,0 Current State: 39:[14, 35, 58], Operations: ['96-38=58'] Exploring Operation: 58-14=44, Resulting Numbers: [35, 44] Generated Node #0,0,0: 39:[35, 44] Operation: 58-14=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[35, 44], Operations: ['96-38=58', '58-14=44'] Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 94, 88, 86, 84 ]
47
[ "94*86=8084", "88+84=172", "8084/172=47" ]
Current State: 47:[94, 88, 86, 84], Operations: [] Exploring Operation: 94*86=8084, Resulting Numbers: [88, 84, 8084] Generated Node #2: [88, 84, 8084] from Operation: 94*86=8084 Current State: 47:[88, 84, 8084], Operations: ['94*86=8084'] Exploring Operation: 88+84=172, Resulting Numbers: [8084, 172] Generated Node #3: [8084, 172] from Operation: 88+84=172 Current State: 47:[8084, 172], Operations: ['94*86=8084', '88+84=172'] Exploring Operation: 8084/172=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[94, 88, 86, 84], Operations: [] Exploring Operation: 94-88=6, Resulting Numbers: [86, 84, 6] Generated Node #0,0: 47:[86, 84, 6] Operation: 94-88=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[86, 84, 6], Operations: ['94-88=6'] Exploring Operation: 86-6=80, Resulting Numbers: [84, 80] Generated Node #0,0,0: 47:[84, 80] Operation: 86-6=80 Moving to Node #0,0,0 Current State: 47:[84, 80], Operations: ['94-88=6', '86-6=80'] Exploring Operation: 84-80=4, Resulting Numbers: [4] 4,47 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
[ 54, 47, 74, 52 ]
29
[ "54-47=7", "74-52=22", "7+22=29" ]
Current State: 29:[54, 47, 74, 52], Operations: [] Exploring Operation: 54-47=7, Resulting Numbers: [74, 52, 7] Generated Node #2: [74, 52, 7] from Operation: 54-47=7 Current State: 29:[74, 52, 7], Operations: ['54-47=7'] Exploring Operation: 74-52=22, Resulting Numbers: [7, 22] Generated Node #3: [7, 22] from Operation: 74-52=22 Current State: 29:[7, 22], Operations: ['54-47=7', '74-52=22'] Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[54, 47, 74, 52], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [47, 74, 2] Generated Node #0,0: 29:[47, 74, 2] Operation: 54-52=2 Exploring Operation: 74-54=20, Resulting Numbers: [47, 52, 20] Generated Node #0,1: 29:[47, 52, 20] Operation: 74-54=20 Exploring Operation: 74-52=22, Resulting Numbers: [54, 47, 22] Generated Node #0,2: 29:[54, 47, 22] Operation: 74-52=22 Exploring Operation: 74-47=27, Resulting Numbers: [54, 52, 27] Generated Node #0,3: 29:[54, 52, 27] Operation: 74-47=27 Exploring Operation: 54-47=7, Resulting Numbers: [74, 52, 7] Generated Node #0,4: 29:[74, 52, 7] Operation: 54-47=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[47, 52, 20], Operations: ['74-54=20'] Exploring Operation: 52+20=72, Resulting Numbers: [47, 72] Generated Node #0,1,0: 29:[47, 72] Operation: 52+20=72 Exploring Operation: 47-20=27, Resulting Numbers: [52, 27] Generated Node #0,1,1: 29:[52, 27] Operation: 47-20=27 Exploring Operation: 52-20=32, Resulting Numbers: [47, 32] Generated Node #0,1,2: 29:[47, 32] Operation: 52-20=32 Exploring Operation: 47+20=67, Resulting Numbers: [52, 67] Generated Node #0,1,3: 29:[52, 67] Operation: 47+20=67 Exploring Operation: 52-47=5, Resulting Numbers: [20, 5] Generated Node #0,1,4: 29:[20, 5] Operation: 52-47=5 Moving to Node #0,1,2 Current State: 29:[47, 32], Operations: ['74-54=20', '52-20=32'] Exploring Operation: 47*32=1504, Resulting Numbers: [1504] 1504,29 unequal: No Solution Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,29 unequal: No Solution Exploring Operation: 47+32=79, Resulting Numbers: [79] 79,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[52, 27], Operations: ['74-54=20', '47-20=27'] Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 52*27=1404, Resulting Numbers: [1404] 1404,29 unequal: No Solution Exploring Operation: 52+27=79, Resulting Numbers: [79] 79,29 unequal: No Solution Moving to Node #0,1,4 Current State: 29:[20, 5], Operations: ['74-54=20', '52-47=5'] Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,29 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,29 unequal: No Solution Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[47, 72], Operations: ['74-54=20', '52+20=72'] Exploring Operation: 47+72=119, Resulting Numbers: [119] 119,29 unequal: No Solution Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 47*72=3384, Resulting Numbers: [3384] 3384,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[52, 67], Operations: ['74-54=20', '47+20=67'] Exploring Operation: 52+67=119, Resulting Numbers: [119] 119,29 unequal: No Solution Exploring Operation: 52*67=3484, Resulting Numbers: [3484] 3484,29 unequal: No Solution Exploring Operation: 67-52=15, Resulting Numbers: [15] 15,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[54, 47, 22], Operations: ['74-52=22'] Exploring Operation: 54-22=32, Resulting Numbers: [47, 32] Generated Node #0,2,0: 29:[47, 32] Operation: 54-22=32 Exploring Operation: 54+22=76, Resulting Numbers: [47, 76] Generated Node #0,2,1: 29:[47, 76] Operation: 54+22=76 Exploring Operation: 47+22=69, Resulting Numbers: [54, 69] Generated Node #0,2,2: 29:[54, 69] Operation: 47+22=69 Exploring Operation: 54-47=7, Resulting Numbers: [22, 7] Generated Node #0,2,3: 29:[22, 7] Operation: 54-47=7 Exploring Operation: 47-22=25, Resulting Numbers: [54, 25] Generated Node #0,2,4: 29:[54, 25] Operation: 47-22=25 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 29:[47, 32], Operations: ['74-52=22', '54-22=32'] Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,29 unequal: No Solution Exploring Operation: 47+32=79, Resulting Numbers: [79] 79,29 unequal: No Solution Exploring Operation: 47*32=1504, Resulting Numbers: [1504] 1504,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 29:[22, 7], Operations: ['74-52=22', '54-47=7'] Exploring Operation: 22*7=154, Resulting Numbers: [154] 154,29 unequal: No Solution Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[54, 47, 74, 52], Operations: [] Exploring Operation: 74-52=22, Resulting Numbers: [54, 47, 22] Generated Node #0,2: 29:[54, 47, 22] Operation: 74-52=22 Moving to Node #0,2 Current State: 29:[54, 47, 22], Operations: ['74-52=22'] Exploring Operation: 54-47=7, Resulting Numbers: [22, 7] Generated Node #0,2,3: 29:[22, 7] Operation: 54-47=7 Moving to Node #0,2,3 Current State: 29:[22, 7], Operations: ['74-52=22', '54-47=7'] Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.965278
hs_5
sum_heuristic
[ 48, 15, 99, 22 ]
44
[ "48-15=33", "99-22=77", "77-33=44" ]
Current State: 44:[48, 15, 99, 22], Operations: [] Exploring Operation: 48-15=33, Resulting Numbers: [99, 22, 33] Generated Node #2: [99, 22, 33] from Operation: 48-15=33 Current State: 44:[99, 22, 33], Operations: ['48-15=33'] Exploring Operation: 99-22=77, Resulting Numbers: [33, 77] Generated Node #3: [33, 77] from Operation: 99-22=77 Current State: 44:[33, 77], Operations: ['48-15=33', '99-22=77'] Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[48, 15, 99, 22], Operations: [] Exploring Operation: 99-22=77, Resulting Numbers: [48, 15, 77] Generated Node #0,0: 44:[48, 15, 77] Operation: 99-22=77 Exploring Operation: 99-48=51, Resulting Numbers: [15, 22, 51] Generated Node #0,1: 44:[15, 22, 51] Operation: 99-48=51 Exploring Operation: 99-15=84, Resulting Numbers: [48, 22, 84] Generated Node #0,2: 44:[48, 22, 84] Operation: 99-15=84 Moving to Node #0,1 Current State: 44:[15, 22, 51], Operations: ['99-48=51'] Exploring Operation: 51-22=29, Resulting Numbers: [15, 29] Generated Node #0,1,0: 44:[15, 29] Operation: 51-22=29 Exploring Operation: 51-15=36, Resulting Numbers: [22, 36] Generated Node #0,1,1: 44:[22, 36] Operation: 51-15=36 Exploring Operation: 22-15=7, Resulting Numbers: [51, 7] Generated Node #0,1,2: 44:[51, 7] Operation: 22-15=7 Moving to Node #0,0 Current State: 44:[48, 15, 77], Operations: ['99-22=77'] Exploring Operation: 77-48=29, Resulting Numbers: [15, 29] Generated Node #0,0,0: 44:[15, 29] Operation: 77-48=29 Exploring Operation: 77-15=62, Resulting Numbers: [48, 62] Generated Node #0,0,1: 44:[48, 62] Operation: 77-15=62 Exploring Operation: 48-15=33, Resulting Numbers: [77, 33] Generated Node #0,0,2: 44:[77, 33] Operation: 48-15=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[15, 29], Operations: ['99-22=77', '77-48=29'] Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 15*29=435, Resulting Numbers: [435] 435,44 unequal: No Solution Exploring Operation: 15+29=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[48, 15, 99, 22], Operations: [] Exploring Operation: 99-22=77, Resulting Numbers: [48, 15, 77] Generated Node #0,0: 44:[48, 15, 77] Operation: 99-22=77 Moving to Node #0,0 Current State: 44:[48, 15, 77], Operations: ['99-22=77'] Exploring Operation: 77-48=29, Resulting Numbers: [15, 29] Generated Node #0,0,0: 44:[15, 29] Operation: 77-48=29 Moving to Node #0,0,0 Current State: 44:[15, 29], Operations: ['99-22=77', '77-48=29'] Exploring Operation: 15+29=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 11, 31, 16, 88 ]
67
[ "16-11=5", "31*5=155", "155-88=67" ]
Current State: 67:[11, 31, 16, 88], Operations: [] Exploring Operation: 16-11=5, Resulting Numbers: [31, 88, 5] Generated Node #2: [31, 88, 5] from Operation: 16-11=5 Current State: 67:[31, 88, 5], Operations: ['16-11=5'] Exploring Operation: 31*5=155, Resulting Numbers: [88, 155] Generated Node #3: [88, 155] from Operation: 31*5=155 Current State: 67:[88, 155], Operations: ['16-11=5', '31*5=155'] Exploring Operation: 155-88=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[11, 31, 16, 88], Operations: [] Exploring Operation: 11+31=42, Resulting Numbers: [16, 88, 42] Generated Node #0,0: 67:[16, 88, 42] Operation: 11+31=42 Exploring Operation: 11+16=27, Resulting Numbers: [31, 88, 27] Generated Node #0,1: 67:[31, 88, 27] Operation: 11+16=27 Moving to Node #0,0 Current State: 67:[16, 88, 42], Operations: ['11+31=42'] Exploring Operation: 88-16=72, Resulting Numbers: [42, 72] Generated Node #0,0,0: 67:[42, 72] Operation: 88-16=72 Exploring Operation: 16+42=58, Resulting Numbers: [88, 58] Generated Node #0,0,1: 67:[88, 58] Operation: 16+42=58 Moving to Node #0,1 Current State: 67:[31, 88, 27], Operations: ['11+16=27'] Exploring Operation: 88-27=61, Resulting Numbers: [31, 61] Generated Node #0,1,0: 67:[31, 61] Operation: 88-27=61 Exploring Operation: 31+27=58, Resulting Numbers: [88, 58] Generated Node #0,1,1: 67:[88, 58] Operation: 31+27=58 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[88, 58], Operations: ['11+16=27', '31+27=58'] Exploring Operation: 88-58=30, Resulting Numbers: [30] 30,67 unequal: No Solution Exploring Operation: 88+58=146, Resulting Numbers: [146] 146,67 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 #0,1,0 Current State: 67:[31, 61], Operations: ['11+16=27', '88-27=61'] Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,67 unequal: No Solution Exploring Operation: 31+61=92, Resulting Numbers: [92] 92,67 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: 67:[42, 72], Operations: ['11+31=42', '88-16=72'] Exploring Operation: 72-42=30, Resulting Numbers: [30] 30,67 unequal: No Solution Exploring Operation: 42+72=114, Resulting Numbers: [114] 114,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[88, 58], Operations: ['11+31=42', '16+42=58'] Exploring Operation: 88+58=146, Resulting Numbers: [146] 146,67 unequal: No Solution Exploring Operation: 88-58=30, Resulting Numbers: [30] 30,67 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 63, 34, 13, 98 ]
82
[ "63-34=29", "13+98=111", "111-29=82" ]
Current State: 82:[63, 34, 13, 98], Operations: [] Exploring Operation: 63-34=29, Resulting Numbers: [13, 98, 29] Generated Node #2: [13, 98, 29] from Operation: 63-34=29 Current State: 82:[13, 98, 29], Operations: ['63-34=29'] Exploring Operation: 13+98=111, Resulting Numbers: [29, 111] Generated Node #3: [29, 111] from Operation: 13+98=111 Current State: 82:[29, 111], Operations: ['63-34=29', '13+98=111'] Exploring Operation: 111-29=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[63, 34, 13, 98], Operations: [] Exploring Operation: 63-34=29, Resulting Numbers: [13, 98, 29] Generated Node #0,0: 82:[13, 98, 29] Operation: 63-34=29 Exploring Operation: 98-63=35, Resulting Numbers: [34, 13, 35] Generated Node #0,1: 82:[34, 13, 35] Operation: 98-63=35 Exploring Operation: 63+13=76, Resulting Numbers: [34, 98, 76] Generated Node #0,2: 82:[34, 98, 76] Operation: 63+13=76 Exploring Operation: 98-13=85, Resulting Numbers: [63, 34, 85] Generated Node #0,3: 82:[63, 34, 85] Operation: 98-13=85 Exploring Operation: 63-13=50, Resulting Numbers: [34, 98, 50] Generated Node #0,4: 82:[34, 98, 50] Operation: 63-13=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[34, 13, 35], Operations: ['98-63=35'] Exploring Operation: 34+13=47, Resulting Numbers: [35, 47] Generated Node #0,1,0: 82:[35, 47] Operation: 34+13=47 Exploring Operation: 34-13=21, Resulting Numbers: [35, 21] Generated Node #0,1,1: 82:[35, 21] Operation: 34-13=21 Exploring Operation: 34+35=69, Resulting Numbers: [13, 69] Generated Node #0,1,2: 82:[13, 69] Operation: 34+35=69 Exploring Operation: 13+35=48, Resulting Numbers: [34, 48] Generated Node #0,1,3: 82:[34, 48] Operation: 13+35=48 Exploring Operation: 35-34=1, Resulting Numbers: [13, 1] Generated Node #0,1,4: 82:[13, 1] Operation: 35-34=1 Moving to Node #0,1,0 Current State: 82:[35, 47], Operations: ['98-63=35', '34+13=47'] Exploring Operation: 35+47=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[63, 34, 13, 98], Operations: [] Exploring Operation: 98-63=35, Resulting Numbers: [34, 13, 35] Generated Node #0,1: 82:[34, 13, 35] Operation: 98-63=35 Moving to Node #0,1 Current State: 82:[34, 13, 35], Operations: ['98-63=35'] Exploring Operation: 34+13=47, Resulting Numbers: [35, 47] Generated Node #0,1,0: 82:[35, 47] Operation: 34+13=47 Moving to Node #0,1,0 Current State: 82:[35, 47], Operations: ['98-63=35', '34+13=47'] Exploring Operation: 35+47=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 30, 28, 41, 53 ]
36
[ "30+28=58", "41+53=94", "94-58=36" ]
Current State: 36:[30, 28, 41, 53], Operations: [] Exploring Operation: 30+28=58, Resulting Numbers: [41, 53, 58] Generated Node #2: [41, 53, 58] from Operation: 30+28=58 Current State: 36:[41, 53, 58], Operations: ['30+28=58'] Exploring Operation: 41+53=94, Resulting Numbers: [58, 94] Generated Node #3: [58, 94] from Operation: 41+53=94 Current State: 36:[58, 94], Operations: ['30+28=58', '41+53=94'] Exploring Operation: 94-58=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[30, 28, 41, 53], Operations: [] Exploring Operation: 53-30=23, Resulting Numbers: [28, 41, 23] Generated Node #0,0: 36:[28, 41, 23] Operation: 53-30=23 Exploring Operation: 53-41=12, Resulting Numbers: [30, 28, 12] Generated Node #0,1: 36:[30, 28, 12] Operation: 53-41=12 Exploring Operation: 53-28=25, Resulting Numbers: [30, 41, 25] Generated Node #0,2: 36:[30, 41, 25] Operation: 53-28=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[30, 28, 12], Operations: ['53-41=12'] Exploring Operation: 28-12=16, Resulting Numbers: [30, 16] Generated Node #0,1,0: 36:[30, 16] Operation: 28-12=16 Exploring Operation: 30-12=18, Resulting Numbers: [28, 18] Generated Node #0,1,1: 36:[28, 18] Operation: 30-12=18 Exploring Operation: 30-28=2, Resulting Numbers: [12, 2] Generated Node #0,1,2: 36:[12, 2] Operation: 30-28=2 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 36:[12, 2], Operations: ['53-41=12', '30-28=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 36:[30, 16], Operations: ['53-41=12', '28-12=16'] Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 30*16=480, Resulting Numbers: [480] 480,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 36:[28, 18], Operations: ['53-41=12', '30-12=18'] Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,36 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,36 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: 36:[28, 41, 23], Operations: ['53-30=23'] Exploring Operation: 41-28=13, Resulting Numbers: [23, 13] Generated Node #0,0,0: 36:[23, 13] Operation: 41-28=13 Exploring Operation: 28-23=5, Resulting Numbers: [41, 5] Generated Node #0,0,1: 36:[41, 5] Operation: 28-23=5 Exploring Operation: 41-23=18, Resulting Numbers: [28, 18] Generated Node #0,0,2: 36:[28, 18] Operation: 41-23=18 Moving to Node #0,0,0 Current State: 36:[23, 13], Operations: ['53-30=23', '41-28=13'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 23*13=299, Resulting Numbers: [299] 299,36 unequal: No Solution Exploring Operation: 23+13=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[30, 28, 41, 53], Operations: [] Exploring Operation: 53-30=23, Resulting Numbers: [28, 41, 23] Generated Node #0,0: 36:[28, 41, 23] Operation: 53-30=23 Moving to Node #0,0 Current State: 36:[28, 41, 23], Operations: ['53-30=23'] Exploring Operation: 41-28=13, Resulting Numbers: [23, 13] Generated Node #0,0,0: 36:[23, 13] Operation: 41-28=13 Moving to Node #0,0,0 Current State: 36:[23, 13], Operations: ['53-30=23', '41-28=13'] Exploring Operation: 23+13=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic