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
[ 68, 40, 24, 36 ]
88
[ "68-40=28", "24+36=60", "28+60=88" ]
Current State: 88:[68, 40, 24, 36], Operations: [] Exploring Operation: 68-40=28, Resulting Numbers: [24, 36, 28] Generated Node #2: [24, 36, 28] from Operation: 68-40=28 Current State: 88:[24, 36, 28], Operations: ['68-40=28'] Exploring Operation: 24+36=60, Resulting Numbers: [28, 60] Generated Node #3: [28, 60] from Operation: 24+36=60 Current State: 88:[28, 60], Operations: ['68-40=28', '24+36=60'] Exploring Operation: 28+60=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[68, 40, 24, 36], Operations: [] Exploring Operation: 68-24=44, Resulting Numbers: [40, 36, 44] Generated Node #0,0: 88:[40, 36, 44] Operation: 68-24=44 Exploring Operation: 68-40=28, Resulting Numbers: [24, 36, 28] Generated Node #0,1: 88:[24, 36, 28] Operation: 68-40=28 Exploring Operation: 68-36=32, Resulting Numbers: [40, 24, 32] Generated Node #0,2: 88:[40, 24, 32] Operation: 68-36=32 Exploring Operation: 68+24=92, Resulting Numbers: [40, 36, 92] Generated Node #0,3: 88:[40, 36, 92] Operation: 68+24=92 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[40, 36, 44], Operations: ['68-24=44'] Exploring Operation: 44-40=4, Resulting Numbers: [36, 4] Generated Node #0,0,0: 88:[36, 4] Operation: 44-40=4 Exploring Operation: 44-36=8, Resulting Numbers: [40, 8] Generated Node #0,0,1: 88:[40, 8] Operation: 44-36=8 Exploring Operation: 40-36=4, Resulting Numbers: [44, 4] Generated Node #0,0,2: 88:[44, 4] Operation: 40-36=4 Exploring Operation: 40+36=76, Resulting Numbers: [44, 76] Generated Node #0,0,3: 88:[44, 76] Operation: 40+36=76 Moving to Node #0,0,2 Current State: 88:[44, 4], Operations: ['68-24=44', '40-36=4'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 44*4=176, Resulting Numbers: [176] 176,88 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,88 unequal: No Solution Exploring Operation: 44+4=48, Resulting Numbers: [48] 48,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[40, 8], Operations: ['68-24=44', '44-36=8'] Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 40*8=320, Resulting Numbers: [320] 320,88 unequal: No Solution Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[36, 4], Operations: ['68-24=44', '44-40=4'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,88 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,88 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,88 unequal: No Solution Moving to Node #0,0,3 Current State: 88:[44, 76], Operations: ['68-24=44', '40+36=76'] Exploring Operation: 44*76=3344, Resulting Numbers: [3344] 3344,88 unequal: No Solution Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 44+76=120, Resulting Numbers: [120] 120,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[24, 36, 28], Operations: ['68-40=28'] Exploring Operation: 24+28=52, Resulting Numbers: [36, 52] Generated Node #0,1,0: 88:[36, 52] Operation: 24+28=52 Exploring Operation: 28-24=4, Resulting Numbers: [36, 4] Generated Node #0,1,1: 88:[36, 4] Operation: 28-24=4 Exploring Operation: 36-28=8, Resulting Numbers: [24, 8] Generated Node #0,1,2: 88:[24, 8] Operation: 36-28=8 Exploring Operation: 36-24=12, Resulting Numbers: [28, 12] Generated Node #0,1,3: 88:[28, 12] Operation: 36-24=12 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 88:[24, 8], Operations: ['68-40=28', '36-28=8'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 88:[28, 12], Operations: ['68-40=28', '36-24=12'] Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,88 unequal: No Solution Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,88 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 88:[36, 4], Operations: ['68-40=28', '28-24=4'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,88 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,88 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 88:[36, 52], Operations: ['68-40=28', '24+28=52'] Exploring Operation: 36*52=1872, Resulting Numbers: [1872] 1872,88 unequal: No Solution Exploring Operation: 36+52=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[68, 40, 24, 36], Operations: [] Exploring Operation: 68-40=28, Resulting Numbers: [24, 36, 28] Generated Node #0,1: 88:[24, 36, 28] Operation: 68-40=28 Moving to Node #0,1 Current State: 88:[24, 36, 28], Operations: ['68-40=28'] Exploring Operation: 24+28=52, Resulting Numbers: [36, 52] Generated Node #0,1,0: 88:[36, 52] Operation: 24+28=52 Moving to Node #0,1,0 Current State: 88:[36, 52], Operations: ['68-40=28', '24+28=52'] Exploring Operation: 36+52=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.961806
hs_4
sum_heuristic
[ 36, 74, 4, 63 ]
34
[ "63-36=27", "4*27=108", "108-74=34" ]
Current State: 34:[36, 74, 4, 63], Operations: [] Exploring Operation: 63-36=27, Resulting Numbers: [74, 4, 27] Generated Node #2: [74, 4, 27] from Operation: 63-36=27 Current State: 34:[74, 4, 27], Operations: ['63-36=27'] Exploring Operation: 4*27=108, Resulting Numbers: [74, 108] Generated Node #3: [74, 108] from Operation: 4*27=108 Current State: 34:[74, 108], Operations: ['63-36=27', '4*27=108'] Exploring Operation: 108-74=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[36, 74, 4, 63], Operations: [] Exploring Operation: 74-63=11, Resulting Numbers: [36, 4, 11] Generated Node #0,0: 34:[36, 4, 11] Operation: 74-63=11 Exploring Operation: 74-36=38, Resulting Numbers: [4, 63, 38] Generated Node #0,1: 34:[4, 63, 38] Operation: 74-36=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[36, 4, 11], Operations: ['74-63=11'] Exploring Operation: 4+11=15, Resulting Numbers: [36, 15] Generated Node #0,0,0: 34:[36, 15] Operation: 4+11=15 Exploring Operation: 11-4=7, Resulting Numbers: [36, 7] Generated Node #0,0,1: 34:[36, 7] Operation: 11-4=7 Moving to Node #0,0,0 Current State: 34:[36, 15], Operations: ['74-63=11', '4+11=15'] Exploring Operation: 36+15=51, Resulting Numbers: [51] 51,34 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[36, 7], Operations: ['74-63=11', '11-4=7'] Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,34 unequal: No Solution Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,34 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:[4, 63, 38], Operations: ['74-36=38'] Exploring Operation: 63-4=59, Resulting Numbers: [38, 59] Generated Node #0,1,0: 34:[38, 59] Operation: 63-4=59 Exploring Operation: 63-38=25, Resulting Numbers: [4, 25] Generated Node #0,1,1: 34:[4, 25] Operation: 63-38=25 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[4, 25], Operations: ['74-36=38', '63-38=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 34:[38, 59], Operations: ['74-36=38', '63-4=59'] Exploring Operation: 38+59=97, Resulting Numbers: [97] 97,34 unequal: No Solution Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 26, 38, 67, 2 ]
43
[ "38-26=12", "2*12=24", "67-24=43" ]
Current State: 43:[26, 38, 67, 2], Operations: [] Exploring Operation: 38-26=12, Resulting Numbers: [67, 2, 12] Generated Node #2: [67, 2, 12] from Operation: 38-26=12 Current State: 43:[67, 2, 12], Operations: ['38-26=12'] Exploring Operation: 2*12=24, Resulting Numbers: [67, 24] Generated Node #3: [67, 24] from Operation: 2*12=24 Current State: 43:[67, 24], Operations: ['38-26=12', '2*12=24'] Exploring Operation: 67-24=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[26, 38, 67, 2], Operations: [] Exploring Operation: 26*2=52, Resulting Numbers: [38, 67, 52] Generated Node #0,0: 43:[38, 67, 52] Operation: 26*2=52 Exploring Operation: 26+2=28, Resulting Numbers: [38, 67, 28] Generated Node #0,1: 43:[38, 67, 28] Operation: 26+2=28 Moving to Node #0,0 Current State: 43:[38, 67, 52], Operations: ['26*2=52'] Exploring Operation: 67-38=29, Resulting Numbers: [52, 29] Generated Node #0,0,0: 43:[52, 29] Operation: 67-38=29 Exploring Operation: 67-52=15, Resulting Numbers: [38, 15] Generated Node #0,0,1: 43:[38, 15] Operation: 67-52=15 Moving to Node #0,1 Current State: 43:[38, 67, 28], Operations: ['26+2=28'] Exploring Operation: 67-38=29, Resulting Numbers: [28, 29] Generated Node #0,1,0: 43:[28, 29] Operation: 67-38=29 Exploring Operation: 67-28=39, Resulting Numbers: [38, 39] Generated Node #0,1,1: 43:[38, 39] Operation: 67-28=39 Moving to Node #0,1,1 Current State: 43:[38, 39], Operations: ['26+2=28', '67-28=39'] Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,43 unequal: No Solution Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[52, 29], Operations: ['26*2=52', '67-38=29'] Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 52+29=81, Resulting Numbers: [81] 81,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[28, 29], Operations: ['26+2=28', '67-38=29'] Exploring Operation: 28+29=57, Resulting Numbers: [57] 57,43 unequal: No Solution Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[38, 15], Operations: ['26*2=52', '67-52=15'] Exploring Operation: 38+15=53, Resulting Numbers: [53] 53,43 unequal: No Solution Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,43 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 23, 13, 8, 20 ]
65
[ "23-8=15", "20-15=5", "13*5=65" ]
Current State: 65:[23, 13, 8, 20], Operations: [] Exploring Operation: 23-8=15, Resulting Numbers: [13, 20, 15] Generated Node #2: [13, 20, 15] from Operation: 23-8=15 Current State: 65:[13, 20, 15], Operations: ['23-8=15'] Exploring Operation: 20-15=5, Resulting Numbers: [13, 5] Generated Node #3: [13, 5] from Operation: 20-15=5 Current State: 65:[13, 5], Operations: ['23-8=15', '20-15=5'] Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[23, 13, 8, 20], Operations: [] Exploring Operation: 20-8=12, Resulting Numbers: [23, 13, 12] Generated Node #0,0: 65:[23, 13, 12] Operation: 20-8=12 Exploring Operation: 23-8=15, Resulting Numbers: [13, 20, 15] Generated Node #0,1: 65:[13, 20, 15] Operation: 23-8=15 Exploring Operation: 23-20=3, Resulting Numbers: [13, 8, 3] Generated Node #0,2: 65:[13, 8, 3] Operation: 23-20=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[13, 8, 3], Operations: ['23-20=3'] Exploring Operation: 8+3=11, Resulting Numbers: [13, 11] Generated Node #0,2,0: 65:[13, 11] Operation: 8+3=11 Exploring Operation: 13-8=5, Resulting Numbers: [3, 5] Generated Node #0,2,1: 65:[3, 5] Operation: 13-8=5 Exploring Operation: 8-3=5, Resulting Numbers: [13, 5] Generated Node #0,2,2: 65:[13, 5] Operation: 8-3=5 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 65:[13, 5], Operations: ['23-20=3', '8-3=5'] Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[23, 13, 8, 20], Operations: [] Exploring Operation: 23-20=3, Resulting Numbers: [13, 8, 3] Generated Node #0,2: 65:[13, 8, 3] Operation: 23-20=3 Moving to Node #0,2 Current State: 65:[13, 8, 3], Operations: ['23-20=3'] Exploring Operation: 8-3=5, Resulting Numbers: [13, 5] Generated Node #0,2,2: 65:[13, 5] Operation: 8-3=5 Moving to Node #0,2,2 Current State: 65:[13, 5], Operations: ['23-20=3', '8-3=5'] Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 67, 35, 6, 88 ]
91
[ "88-67=21", "6*21=126", "126-35=91" ]
Current State: 91:[67, 35, 6, 88], Operations: [] Exploring Operation: 88-67=21, Resulting Numbers: [35, 6, 21] Generated Node #2: [35, 6, 21] from Operation: 88-67=21 Current State: 91:[35, 6, 21], Operations: ['88-67=21'] Exploring Operation: 6*21=126, Resulting Numbers: [35, 126] Generated Node #3: [35, 126] from Operation: 6*21=126 Current State: 91:[35, 126], Operations: ['88-67=21', '6*21=126'] Exploring Operation: 126-35=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[67, 35, 6, 88], Operations: [] Exploring Operation: 67+35=102, Resulting Numbers: [6, 88, 102] Generated Node #0,0: 91:[6, 88, 102] Operation: 67+35=102 Exploring Operation: 67-35=32, Resulting Numbers: [6, 88, 32] Generated Node #0,1: 91:[6, 88, 32] Operation: 67-35=32 Exploring Operation: 88-67=21, Resulting Numbers: [35, 6, 21] Generated Node #0,2: 91:[35, 6, 21] Operation: 88-67=21 Moving to Node #0,0 Current State: 91:[6, 88, 102], Operations: ['67+35=102'] Exploring Operation: 102-6=96, Resulting Numbers: [88, 96] Generated Node #0,0,0: 91:[88, 96] Operation: 102-6=96 Exploring Operation: 102/6=17, Resulting Numbers: [88, 17] Generated Node #0,0,1: 91:[88, 17] Operation: 102/6=17 Exploring Operation: 102-88=14, Resulting Numbers: [6, 14] Generated Node #0,0,2: 91:[6, 14] Operation: 102-88=14 Moving to Node #0,1 Current State: 91:[6, 88, 32], Operations: ['67-35=32'] Exploring Operation: 32-6=26, Resulting Numbers: [88, 26] Generated Node #0,1,0: 91:[88, 26] Operation: 32-6=26 Exploring Operation: 88-6=82, Resulting Numbers: [32, 82] Generated Node #0,1,1: 91:[32, 82] Operation: 88-6=82 Exploring Operation: 6+88=94, Resulting Numbers: [32, 94] Generated Node #0,1,2: 91:[32, 94] Operation: 6+88=94 Moving to Node #0,2 Current State: 91:[35, 6, 21], Operations: ['88-67=21'] Exploring Operation: 35-21=14, Resulting Numbers: [6, 14] Generated Node #0,2,0: 91:[6, 14] Operation: 35-21=14 Exploring Operation: 35-6=29, Resulting Numbers: [21, 29] Generated Node #0,2,1: 91:[21, 29] Operation: 35-6=29 Exploring Operation: 21-6=15, Resulting Numbers: [35, 15] Generated Node #0,2,2: 91:[35, 15] Operation: 21-6=15 Moving to Node #0,0,2 Current State: 91:[6, 14], Operations: ['67+35=102', '102-88=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,91 unequal: No Solution Moving to Node #0,2,0 Current State: 91:[6, 14], Operations: ['88-67=21', '35-21=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,91 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[88, 17], Operations: ['67+35=102', '102/6=17'] Exploring Operation: 88*17=1496, Resulting Numbers: [1496] 1496,91 unequal: No Solution Exploring Operation: 88-17=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 88+17=105, Resulting Numbers: [105] 105,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[88, 96], Operations: ['67+35=102', '102-6=96'] Exploring Operation: 88+96=184, Resulting Numbers: [184] 184,91 unequal: No Solution Exploring Operation: 88*96=8448, Resulting Numbers: [8448] 8448,91 unequal: No Solution Exploring Operation: 96-88=8, Resulting Numbers: [8] 8,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[88, 26], Operations: ['67-35=32', '32-6=26'] Exploring Operation: 88+26=114, Resulting Numbers: [114] 114,91 unequal: No Solution Exploring Operation: 88*26=2288, Resulting Numbers: [2288] 2288,91 unequal: No Solution Exploring Operation: 88-26=62, Resulting Numbers: [62] 62,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[32, 94], Operations: ['67-35=32', '6+88=94'] Exploring Operation: 32+94=126, Resulting Numbers: [126] 126,91 unequal: No Solution Exploring Operation: 94-32=62, Resulting Numbers: [62] 62,91 unequal: No Solution Exploring Operation: 32*94=3008, Resulting Numbers: [3008] 3008,91 unequal: No Solution Moving to Node #0,2,2 Current State: 91:[35, 15], Operations: ['88-67=21', '21-6=15'] Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 35*15=525, Resulting Numbers: [525] 525,91 unequal: No Solution Exploring Operation: 35+15=50, Resulting Numbers: [50] 50,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[21, 29], Operations: ['88-67=21', '35-6=29'] Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,91 unequal: No Solution Exploring Operation: 21*29=609, Resulting Numbers: [609] 609,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[32, 82], Operations: ['67-35=32', '88-6=82'] Exploring Operation: 32+82=114, Resulting Numbers: [114] 114,91 unequal: No Solution Exploring Operation: 82-32=50, Resulting Numbers: [50] 50,91 unequal: No Solution Exploring Operation: 32*82=2624, Resulting Numbers: [2624] 2624,91 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 19, 7, 65, 4 ]
14
[ "19+65=84", "84/4=21", "21-7=14" ]
Current State: 14:[19, 7, 65, 4], Operations: [] Exploring Operation: 19+65=84, Resulting Numbers: [7, 4, 84] Generated Node #2: [7, 4, 84] from Operation: 19+65=84 Current State: 14:[7, 4, 84], Operations: ['19+65=84'] Exploring Operation: 84/4=21, Resulting Numbers: [7, 21] Generated Node #3: [7, 21] from Operation: 84/4=21 Current State: 14:[7, 21], Operations: ['19+65=84', '84/4=21'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[19, 7, 65, 4], Operations: [] Exploring Operation: 65-7=58, Resulting Numbers: [19, 4, 58] Generated Node #0,0: 14:[19, 4, 58] Operation: 65-7=58 Exploring Operation: 65-19=46, Resulting Numbers: [7, 4, 46] Generated Node #0,1: 14:[7, 4, 46] Operation: 65-19=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[7, 4, 46], Operations: ['65-19=46'] Exploring Operation: 46-7=39, Resulting Numbers: [4, 39] Generated Node #0,1,0: 14:[4, 39] Operation: 46-7=39 Exploring Operation: 46-4=42, Resulting Numbers: [7, 42] Generated Node #0,1,1: 14:[7, 42] Operation: 46-4=42 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 14:[4, 39], Operations: ['65-19=46', '46-7=39'] Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,14 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,14 unequal: No Solution No 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: 14:[7, 42], Operations: ['65-19=46', '46-4=42'] Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,14 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,14 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: 14:[19, 4, 58], Operations: ['65-7=58'] Exploring Operation: 19-4=15, Resulting Numbers: [58, 15] Generated Node #0,0,0: 14:[58, 15] Operation: 19-4=15 Exploring Operation: 58-19=39, Resulting Numbers: [4, 39] Generated Node #0,0,1: 14:[4, 39] Operation: 58-19=39 Moving to Node #0,0,1 Current State: 14:[4, 39], Operations: ['65-7=58', '58-19=39'] Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,14 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[58, 15], Operations: ['65-7=58', '19-4=15'] Exploring Operation: 58+15=73, Resulting Numbers: [73] 73,14 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,14 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
[ 4, 94, 59, 5 ]
10
[ "94-59=35", "5+35=40", "40/4=10" ]
Current State: 10:[4, 94, 59, 5], Operations: [] Exploring Operation: 94-59=35, Resulting Numbers: [4, 5, 35] Generated Node #2: [4, 5, 35] from Operation: 94-59=35 Current State: 10:[4, 5, 35], Operations: ['94-59=35'] Exploring Operation: 5+35=40, Resulting Numbers: [4, 40] Generated Node #3: [4, 40] from Operation: 5+35=40 Current State: 10:[4, 40], Operations: ['94-59=35', '5+35=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[4, 94, 59, 5], Operations: [] Exploring Operation: 94-59=35, Resulting Numbers: [4, 5, 35] Generated Node #0,0: 10:[4, 5, 35] Operation: 94-59=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[4, 5, 35], Operations: ['94-59=35'] Exploring Operation: 35/5=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 10:[4, 7] Operation: 35/5=7 Moving to Node #0,0,0 Current State: 10:[4, 7], Operations: ['94-59=35', '35/5=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 16, 63, 28, 20 ]
89
[ "63*28=1764", "16+1764=1780", "1780/20=89" ]
Current State: 89:[16, 63, 28, 20], Operations: [] Exploring Operation: 63*28=1764, Resulting Numbers: [16, 20, 1764] Generated Node #2: [16, 20, 1764] from Operation: 63*28=1764 Current State: 89:[16, 20, 1764], Operations: ['63*28=1764'] Exploring Operation: 16+1764=1780, Resulting Numbers: [20, 1780] Generated Node #3: [20, 1780] from Operation: 16+1764=1780 Current State: 89:[20, 1780], Operations: ['63*28=1764', '16+1764=1780'] Exploring Operation: 1780/20=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[16, 63, 28, 20], Operations: [] Exploring Operation: 16+28=44, Resulting Numbers: [63, 20, 44] Generated Node #0,0: 89:[63, 20, 44] Operation: 16+28=44 Exploring Operation: 16+63=79, Resulting Numbers: [28, 20, 79] Generated Node #0,1: 89:[28, 20, 79] Operation: 16+63=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[63, 20, 44], Operations: ['16+28=44'] Exploring Operation: 20+44=64, Resulting Numbers: [63, 64] Generated Node #0,0,0: 89:[63, 64] Operation: 20+44=64 Exploring Operation: 63+20=83, Resulting Numbers: [44, 83] Generated Node #0,0,1: 89:[44, 83] Operation: 63+20=83 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[63, 64], Operations: ['16+28=44', '20+44=64'] Exploring Operation: 63+64=127, Resulting Numbers: [127] 127,89 unequal: No Solution Exploring Operation: 64-63=1, Resulting Numbers: [1] 1,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[44, 83], Operations: ['16+28=44', '63+20=83'] Exploring Operation: 83-44=39, Resulting Numbers: [39] 39,89 unequal: No Solution Exploring Operation: 44+83=127, Resulting Numbers: [127] 127,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[28, 20, 79], Operations: ['16+63=79'] Exploring Operation: 20+79=99, Resulting Numbers: [28, 99] Generated Node #0,1,0: 89:[28, 99] Operation: 20+79=99 Exploring Operation: 28+20=48, Resulting Numbers: [79, 48] Generated Node #0,1,1: 89:[79, 48] Operation: 28+20=48 Moving to Node #0,1,1 Current State: 89:[79, 48], Operations: ['16+63=79', '28+20=48'] Exploring Operation: 79-48=31, Resulting Numbers: [31] 31,89 unequal: No Solution Exploring Operation: 79+48=127, Resulting Numbers: [127] 127,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[28, 99], Operations: ['16+63=79', '20+79=99'] Exploring Operation: 28+99=127, Resulting Numbers: [127] 127,89 unequal: No Solution Exploring Operation: 99-28=71, Resulting Numbers: [71] 71,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 56, 5, 56, 48 ]
53
[ "56+5=61", "56-48=8", "61-8=53" ]
Current State: 53:[56, 5, 56, 48], Operations: [] Exploring Operation: 56+5=61, Resulting Numbers: [48, 61] Generated Node #2: [48, 61] from Operation: 56+5=61 Current State: 53:[48, 61], Operations: ['56+5=61'] Exploring Operation: 56-48=8, Resulting Numbers: [61, 8] Generated Node #3: [61, 8] from Operation: 56-48=8 Current State: 53:[61, 8], Operations: ['56+5=61', '56-48=8'] Exploring Operation: 61-8=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[56, 5, 56, 48], Operations: [] Exploring Operation: 56-5=51, Resulting Numbers: [56, 48, 51] Generated Node #0,0: 53:[56, 48, 51] Operation: 56-5=51 Exploring Operation: 5+48=53, Resulting Numbers: [56, 56, 53] Generated Node #0,1: 53:[56, 56, 53] Operation: 5+48=53 Exploring Operation: 56-5=51, Resulting Numbers: [56, 48, 51] Generated Node #0,2: 53:[56, 48, 51] Operation: 56-5=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[56, 56, 53], Operations: ['5+48=53'] Exploring Operation: 56/56=1, Resulting Numbers: [53, 1] Generated Node #0,1,0: 53:[53, 1] Operation: 56/56=1 Exploring Operation: 56-53=3, Resulting Numbers: [56, 3] Generated Node #0,1,1: 53:[56, 3] Operation: 56-53=3 Exploring Operation: 56-56=0, Resulting Numbers: [53, 0] Generated Node #0,1,2: 53:[53, 0] Operation: 56-56=0 Moving to Node #0,1,0 Current State: 53:[53, 1], Operations: ['5+48=53', '56/56=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[56, 5, 56, 48], Operations: [] Exploring Operation: 5+48=53, Resulting Numbers: [56, 56, 53] Generated Node #0,1: 53:[56, 56, 53] Operation: 5+48=53 Moving to Node #0,1 Current State: 53:[56, 56, 53], Operations: ['5+48=53'] Exploring Operation: 56/56=1, Resulting Numbers: [53, 1] Generated Node #0,1,0: 53:[53, 1] Operation: 56/56=1 Moving to Node #0,1,0 Current State: 53:[53, 1], Operations: ['5+48=53', '56/56=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 76, 53, 97, 51 ]
69
[ "76-53=23", "97-51=46", "23+46=69" ]
Current State: 69:[76, 53, 97, 51], Operations: [] Exploring Operation: 76-53=23, Resulting Numbers: [97, 51, 23] Generated Node #2: [97, 51, 23] from Operation: 76-53=23 Current State: 69:[97, 51, 23], Operations: ['76-53=23'] Exploring Operation: 97-51=46, Resulting Numbers: [23, 46] Generated Node #3: [23, 46] from Operation: 97-51=46 Current State: 69:[23, 46], Operations: ['76-53=23', '97-51=46'] Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[76, 53, 97, 51], Operations: [] Exploring Operation: 97-76=21, Resulting Numbers: [53, 51, 21] Generated Node #0,0: 69:[53, 51, 21] Operation: 97-76=21 Exploring Operation: 76-53=23, Resulting Numbers: [97, 51, 23] Generated Node #0,1: 69:[97, 51, 23] Operation: 76-53=23 Exploring Operation: 53-51=2, Resulting Numbers: [76, 97, 2] Generated Node #0,2: 69:[76, 97, 2] Operation: 53-51=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[53, 51, 21], Operations: ['97-76=21'] Exploring Operation: 53+21=74, Resulting Numbers: [51, 74] Generated Node #0,0,0: 69:[51, 74] Operation: 53+21=74 Exploring Operation: 53-51=2, Resulting Numbers: [21, 2] Generated Node #0,0,1: 69:[21, 2] Operation: 53-51=2 Exploring Operation: 51+21=72, Resulting Numbers: [53, 72] Generated Node #0,0,2: 69:[53, 72] Operation: 51+21=72 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[21, 2], Operations: ['97-76=21', '53-51=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,69 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,69 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,69 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:[53, 72], Operations: ['97-76=21', '51+21=72'] Exploring Operation: 72-53=19, Resulting Numbers: [19] 19,69 unequal: No Solution Exploring Operation: 53*72=3816, Resulting Numbers: [3816] 3816,69 unequal: No Solution Exploring Operation: 53+72=125, Resulting Numbers: [125] 125,69 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:[51, 74], Operations: ['97-76=21', '53+21=74'] Exploring Operation: 51+74=125, Resulting Numbers: [125] 125,69 unequal: No Solution Exploring Operation: 74-51=23, Resulting Numbers: [23] 23,69 unequal: No Solution Exploring Operation: 51*74=3774, Resulting Numbers: [3774] 3774,69 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:[76, 97, 2], Operations: ['53-51=2'] Exploring Operation: 97-76=21, Resulting Numbers: [2, 21] Generated Node #0,2,0: 69:[2, 21] Operation: 97-76=21 Exploring Operation: 76-2=74, Resulting Numbers: [97, 74] Generated Node #0,2,1: 69:[97, 74] Operation: 76-2=74 Exploring Operation: 97-2=95, Resulting Numbers: [76, 95] Generated Node #0,2,2: 69:[76, 95] Operation: 97-2=95 Moving to Node #0,2,0 Current State: 69:[2, 21], Operations: ['53-51=2', '97-76=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,69 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,69 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[97, 74], Operations: ['53-51=2', '76-2=74'] Exploring Operation: 97+74=171, Resulting Numbers: [171] 171,69 unequal: No Solution Exploring Operation: 97-74=23, Resulting Numbers: [23] 23,69 unequal: No Solution Exploring Operation: 97*74=7178, Resulting Numbers: [7178] 7178,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[76, 95], Operations: ['53-51=2', '97-2=95'] Exploring Operation: 76*95=7220, Resulting Numbers: [7220] 7220,69 unequal: No Solution Exploring Operation: 95-76=19, Resulting Numbers: [19] 19,69 unequal: No Solution Exploring Operation: 76+95=171, Resulting Numbers: [171] 171,69 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:[97, 51, 23], Operations: ['76-53=23'] Exploring Operation: 97-51=46, Resulting Numbers: [23, 46] Generated Node #0,1,0: 69:[23, 46] Operation: 97-51=46 Exploring Operation: 97-23=74, Resulting Numbers: [51, 74] Generated Node #0,1,1: 69:[51, 74] Operation: 97-23=74 Exploring Operation: 51+23=74, Resulting Numbers: [97, 74] Generated Node #0,1,2: 69:[97, 74] Operation: 51+23=74 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[23, 46], Operations: ['76-53=23', '97-51=46'] Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[76, 53, 97, 51], Operations: [] Exploring Operation: 76-53=23, Resulting Numbers: [97, 51, 23] Generated Node #0,1: 69:[97, 51, 23] Operation: 76-53=23 Moving to Node #0,1 Current State: 69:[97, 51, 23], Operations: ['76-53=23'] Exploring Operation: 97-51=46, Resulting Numbers: [23, 46] Generated Node #0,1,0: 69:[23, 46] Operation: 97-51=46 Moving to Node #0,1,0 Current State: 69:[23, 46], Operations: ['76-53=23', '97-51=46'] Exploring Operation: 23+46=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
mult_heuristic
[ 11, 2, 32, 90 ]
24
[ "32-11=21", "90/2=45", "45-21=24" ]
Current State: 24:[11, 2, 32, 90], Operations: [] Exploring Operation: 32-11=21, Resulting Numbers: [2, 90, 21] Generated Node #2: [2, 90, 21] from Operation: 32-11=21 Current State: 24:[2, 90, 21], Operations: ['32-11=21'] Exploring Operation: 90/2=45, Resulting Numbers: [21, 45] Generated Node #3: [21, 45] from Operation: 90/2=45 Current State: 24:[21, 45], Operations: ['32-11=21', '90/2=45'] Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[11, 2, 32, 90], Operations: [] Exploring Operation: 90/2=45, Resulting Numbers: [11, 32, 45] Generated Node #0,0: 24:[11, 32, 45] Operation: 90/2=45 Exploring Operation: 32-11=21, Resulting Numbers: [2, 90, 21] Generated Node #0,1: 24:[2, 90, 21] Operation: 32-11=21 Exploring Operation: 32/2=16, Resulting Numbers: [11, 90, 16] Generated Node #0,2: 24:[11, 90, 16] Operation: 32/2=16 Exploring Operation: 90-32=58, Resulting Numbers: [11, 2, 58] Generated Node #0,3: 24:[11, 2, 58] Operation: 90-32=58 Exploring Operation: 90-11=79, Resulting Numbers: [2, 32, 79] Generated Node #0,4: 24:[2, 32, 79] Operation: 90-11=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[11, 32, 45], Operations: ['90/2=45'] Exploring Operation: 11+45=56, Resulting Numbers: [32, 56] Generated Node #0,0,0: 24:[32, 56] Operation: 11+45=56 Exploring Operation: 45-32=13, Resulting Numbers: [11, 13] Generated Node #0,0,1: 24:[11, 13] Operation: 45-32=13 Exploring Operation: 32-11=21, Resulting Numbers: [45, 21] Generated Node #0,0,2: 24:[45, 21] Operation: 32-11=21 Exploring Operation: 11+32=43, Resulting Numbers: [45, 43] Generated Node #0,0,3: 24:[45, 43] Operation: 11+32=43 Exploring Operation: 45-11=34, Resulting Numbers: [32, 34] Generated Node #0,0,4: 24:[32, 34] Operation: 45-11=34 Moving to Node #0,0,1 Current State: 24:[11, 13], Operations: ['90/2=45', '45-32=13'] Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,24 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[11, 2, 32, 90], Operations: [] Exploring Operation: 90/2=45, Resulting Numbers: [11, 32, 45] Generated Node #0,0: 24:[11, 32, 45] Operation: 90/2=45 Moving to Node #0,0 Current State: 24:[11, 32, 45], Operations: ['90/2=45'] Exploring Operation: 45-32=13, Resulting Numbers: [11, 13] Generated Node #0,0,1: 24:[11, 13] Operation: 45-32=13 Moving to Node #0,0,1 Current State: 24:[11, 13], Operations: ['90/2=45', '45-32=13'] Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 35, 73, 75, 22 ]
46
[ "75-73=2", "22/2=11", "35+11=46" ]
Current State: 46:[35, 73, 75, 22], Operations: [] Exploring Operation: 75-73=2, Resulting Numbers: [35, 22, 2] Generated Node #2: [35, 22, 2] from Operation: 75-73=2 Current State: 46:[35, 22, 2], Operations: ['75-73=2'] Exploring Operation: 22/2=11, Resulting Numbers: [35, 11] Generated Node #3: [35, 11] from Operation: 22/2=11 Current State: 46:[35, 11], Operations: ['75-73=2', '22/2=11'] Exploring Operation: 35+11=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[35, 73, 75, 22], Operations: [] Exploring Operation: 75-73=2, Resulting Numbers: [35, 22, 2] Generated Node #0,0: 46:[35, 22, 2] Operation: 75-73=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[35, 22, 2], Operations: ['75-73=2'] Exploring Operation: 35-22=13, Resulting Numbers: [2, 13] Generated Node #0,0,0: 46:[2, 13] Operation: 35-22=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[2, 13], Operations: ['75-73=2', '35-22=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,46 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
[ 14, 70, 87, 1 ]
31
[ "70-14=56", "87*1=87", "87-56=31" ]
Current State: 31:[14, 70, 87, 1], Operations: [] Exploring Operation: 70-14=56, Resulting Numbers: [87, 1, 56] Generated Node #2: [87, 1, 56] from Operation: 70-14=56 Current State: 31:[87, 1, 56], Operations: ['70-14=56'] Exploring Operation: 87*1=87, Resulting Numbers: [56, 87] Generated Node #3: [56, 87] from Operation: 87*1=87 Current State: 31:[56, 87], Operations: ['70-14=56', '87*1=87'] Exploring Operation: 87-56=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[14, 70, 87, 1], Operations: [] Exploring Operation: 87-70=17, Resulting Numbers: [14, 1, 17] Generated Node #0,0: 31:[14, 1, 17] Operation: 87-70=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[14, 1, 17], Operations: ['87-70=17'] Exploring Operation: 14+1=15, Resulting Numbers: [17, 15] Generated Node #0,0,0: 31:[17, 15] Operation: 14+1=15 Moving to Node #0,0,0 Current State: 31:[17, 15], Operations: ['87-70=17', '14+1=15'] Exploring Operation: 17+15=32, Resulting Numbers: [32] 32,31 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
[ 13, 6, 95, 96 ]
19
[ "13+6=19", "96-95=1", "19*1=19" ]
Current State: 19:[13, 6, 95, 96], Operations: [] Exploring Operation: 13+6=19, Resulting Numbers: [95, 96, 19] Generated Node #2: [95, 96, 19] from Operation: 13+6=19 Current State: 19:[95, 96, 19], Operations: ['13+6=19'] Exploring Operation: 96-95=1, Resulting Numbers: [19, 1] Generated Node #3: [19, 1] from Operation: 96-95=1 Current State: 19:[19, 1], Operations: ['13+6=19', '96-95=1'] Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[13, 6, 95, 96], Operations: [] Exploring Operation: 96-95=1, Resulting Numbers: [13, 6, 1] Generated Node #0,0: 19:[13, 6, 1] Operation: 96-95=1 Exploring Operation: 96/6=16, Resulting Numbers: [13, 95, 16] Generated Node #0,1: 19:[13, 95, 16] Operation: 96/6=16 Exploring Operation: 13+6=19, Resulting Numbers: [95, 96, 19] Generated Node #0,2: 19:[95, 96, 19] Operation: 13+6=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[13, 6, 1], Operations: ['96-95=1'] Exploring Operation: 13+6=19, Resulting Numbers: [1, 19] Generated Node #0,0,0: 19:[1, 19] Operation: 13+6=19 Exploring Operation: 13+1=14, Resulting Numbers: [6, 14] Generated Node #0,0,1: 19:[6, 14] Operation: 13+1=14 Exploring Operation: 6+1=7, Resulting Numbers: [13, 7] Generated Node #0,0,2: 19:[13, 7] Operation: 6+1=7 Moving to Node #0,0,0 Current State: 19:[1, 19], Operations: ['96-95=1', '13+6=19'] Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[13, 6, 95, 96], Operations: [] Exploring Operation: 96-95=1, Resulting Numbers: [13, 6, 1] Generated Node #0,0: 19:[13, 6, 1] Operation: 96-95=1 Moving to Node #0,0 Current State: 19:[13, 6, 1], Operations: ['96-95=1'] Exploring Operation: 13+6=19, Resulting Numbers: [1, 19] Generated Node #0,0,0: 19:[1, 19] Operation: 13+6=19 Moving to Node #0,0,0 Current State: 19:[1, 19], Operations: ['96-95=1', '13+6=19'] Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 19, 27, 10, 36 ]
33
[ "19-10=9", "27/9=3", "36-3=33" ]
Current State: 33:[19, 27, 10, 36], Operations: [] Exploring Operation: 19-10=9, Resulting Numbers: [27, 36, 9] Generated Node #2: [27, 36, 9] from Operation: 19-10=9 Current State: 33:[27, 36, 9], Operations: ['19-10=9'] Exploring Operation: 27/9=3, Resulting Numbers: [36, 3] Generated Node #3: [36, 3] from Operation: 27/9=3 Current State: 33:[36, 3], Operations: ['19-10=9', '27/9=3'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[19, 27, 10, 36], Operations: [] Exploring Operation: 19+10=29, Resulting Numbers: [27, 36, 29] Generated Node #0,0: 33:[27, 36, 29] Operation: 19+10=29 Exploring Operation: 36-19=17, Resulting Numbers: [27, 10, 17] Generated Node #0,1: 33:[27, 10, 17] Operation: 36-19=17 Exploring Operation: 19-10=9, Resulting Numbers: [27, 36, 9] Generated Node #0,2: 33:[27, 36, 9] Operation: 19-10=9 Exploring Operation: 27-19=8, Resulting Numbers: [10, 36, 8] Generated Node #0,3: 33:[10, 36, 8] Operation: 27-19=8 Exploring Operation: 36-27=9, Resulting Numbers: [19, 10, 9] Generated Node #0,4: 33:[19, 10, 9] Operation: 36-27=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[10, 36, 8], Operations: ['27-19=8'] Exploring Operation: 10-8=2, Resulting Numbers: [36, 2] Generated Node #0,3,0: 33:[36, 2] Operation: 10-8=2 Exploring Operation: 36+8=44, Resulting Numbers: [10, 44] Generated Node #0,3,1: 33:[10, 44] Operation: 36+8=44 Exploring Operation: 36-10=26, Resulting Numbers: [8, 26] Generated Node #0,3,2: 33:[8, 26] Operation: 36-10=26 Exploring Operation: 36-8=28, Resulting Numbers: [10, 28] Generated Node #0,3,3: 33:[10, 28] Operation: 36-8=28 Exploring Operation: 10+8=18, Resulting Numbers: [36, 18] Generated Node #0,3,4: 33:[36, 18] Operation: 10+8=18 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 33:[36, 2], Operations: ['27-19=8', '10-8=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,33 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 33:[10, 28], Operations: ['27-19=8', '36-8=28'] Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 10*28=280, Resulting Numbers: [280] 280,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 33:[8, 26], Operations: ['27-19=8', '36-10=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,33 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 33:[36, 18], Operations: ['27-19=8', '10+8=18'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 36*18=648, Resulting Numbers: [648] 648,33 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 36+18=54, Resulting Numbers: [54] 54,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 33:[10, 44], Operations: ['27-19=8', '36+8=44'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,33 unequal: No Solution Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[27, 36, 9], Operations: ['19-10=9'] Exploring Operation: 36-27=9, Resulting Numbers: [9, 9] Generated Node #0,2,0: 33:[9, 9] Operation: 36-27=9 Exploring Operation: 27+9=36, Resulting Numbers: [36, 36] Generated Node #0,2,1: 33:[36, 36] Operation: 27+9=36 Exploring Operation: 27/9=3, Resulting Numbers: [36, 3] Generated Node #0,2,2: 33:[36, 3] Operation: 27/9=3 Exploring Operation: 27-9=18, Resulting Numbers: [36, 18] Generated Node #0,2,3: 33:[36, 18] Operation: 27-9=18 Exploring Operation: 36/9=4, Resulting Numbers: [27, 4] Generated Node #0,2,4: 33:[27, 4] Operation: 36/9=4 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 33:[36, 3], Operations: ['19-10=9', '27/9=3'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[19, 27, 10, 36], Operations: [] Exploring Operation: 19-10=9, Resulting Numbers: [27, 36, 9] Generated Node #0,2: 33:[27, 36, 9] Operation: 19-10=9 Moving to Node #0,2 Current State: 33:[27, 36, 9], Operations: ['19-10=9'] Exploring Operation: 27/9=3, Resulting Numbers: [36, 3] Generated Node #0,2,2: 33:[36, 3] Operation: 27/9=3 Moving to Node #0,2,2 Current State: 33:[36, 3], Operations: ['19-10=9', '27/9=3'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 22, 93, 69, 71 ]
69
[ "93-22=71", "69+71=140", "140-71=69" ]
Current State: 69:[22, 93, 69, 71], Operations: [] Exploring Operation: 93-22=71, Resulting Numbers: [69, 71, 71] Generated Node #2: [69, 71, 71] from Operation: 93-22=71 Current State: 69:[69, 71, 71], Operations: ['93-22=71'] Exploring Operation: 69+71=140, Resulting Numbers: [140] 140,69 equal: Goal Reached Exploring Operation: 140-71=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[22, 93, 69, 71], Operations: [] Exploring Operation: 93-22=71, Resulting Numbers: [69, 71, 71] Generated Node #0,0: 69:[69, 71, 71] Operation: 93-22=71 Exploring Operation: 93-69=24, Resulting Numbers: [22, 71, 24] Generated Node #0,1: 69:[22, 71, 24] Operation: 93-69=24 Exploring Operation: 93-71=22, Resulting Numbers: [22, 69, 22] Generated Node #0,2: 69:[22, 69, 22] Operation: 93-71=22 Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[22, 69, 22], Operations: ['93-71=22'] Exploring Operation: 22-22=0, Resulting Numbers: [69, 0] Generated Node #0,2,0: 69:[69, 0] Operation: 22-22=0 Exploring Operation: 22+22=44, Resulting Numbers: [69, 44] Generated Node #0,2,1: 69:[69, 44] Operation: 22+22=44 Exploring Operation: 22/22=1, Resulting Numbers: [69, 1] Generated Node #0,2,2: 69:[69, 1] Operation: 22/22=1 Moving to Node #0,2,2 Current State: 69:[69, 1], Operations: ['93-71=22', '22/22=1'] Exploring Operation: 69+1=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 69*1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[22, 93, 69, 71], Operations: [] Exploring Operation: 93-71=22, Resulting Numbers: [22, 69, 22] Generated Node #0,2: 69:[22, 69, 22] Operation: 93-71=22 Moving to Node #0,2 Current State: 69:[22, 69, 22], Operations: ['93-71=22'] Exploring Operation: 22/22=1, Resulting Numbers: [69, 1] Generated Node #0,2,2: 69:[69, 1] Operation: 22/22=1 Moving to Node #0,2,2 Current State: 69:[69, 1], Operations: ['93-71=22', '22/22=1'] Exploring Operation: 69*1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 19, 59, 33, 70 ]
64
[ "33-19=14", "70/14=5", "59+5=64" ]
Current State: 64:[19, 59, 33, 70], Operations: [] Exploring Operation: 33-19=14, Resulting Numbers: [59, 70, 14] Generated Node #2: [59, 70, 14] from Operation: 33-19=14 Current State: 64:[59, 70, 14], Operations: ['33-19=14'] Exploring Operation: 70/14=5, Resulting Numbers: [59, 5] Generated Node #3: [59, 5] from Operation: 70/14=5 Current State: 64:[59, 5], Operations: ['33-19=14', '70/14=5'] Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[19, 59, 33, 70], Operations: [] Exploring Operation: 70-59=11, Resulting Numbers: [19, 33, 11] Generated Node #0,0: 64:[19, 33, 11] Operation: 70-59=11 Exploring Operation: 33-19=14, Resulting Numbers: [59, 70, 14] Generated Node #0,1: 64:[59, 70, 14] Operation: 33-19=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[19, 33, 11], Operations: ['70-59=11'] Exploring Operation: 19-11=8, Resulting Numbers: [33, 8] Generated Node #0,0,0: 64:[33, 8] Operation: 19-11=8 Exploring Operation: 19+11=30, Resulting Numbers: [33, 30] Generated Node #0,0,1: 64:[33, 30] Operation: 19+11=30 Moving to Node #0,0,0 Current State: 64:[33, 8], Operations: ['70-59=11', '19-11=8'] Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[33, 30], Operations: ['70-59=11', '19+11=30'] Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 33+30=63, Resulting Numbers: [63] 63,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[59, 70, 14], Operations: ['33-19=14'] Exploring Operation: 70/14=5, Resulting Numbers: [59, 5] Generated Node #0,1,0: 64:[59, 5] Operation: 70/14=5 Exploring Operation: 70-59=11, Resulting Numbers: [14, 11] Generated Node #0,1,1: 64:[14, 11] Operation: 70-59=11 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 64:[14, 11], Operations: ['33-19=14', '70-59=11'] Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,64 unequal: No Solution No 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: 64:[59, 5], Operations: ['33-19=14', '70/14=5'] Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[19, 59, 33, 70], Operations: [] Exploring Operation: 33-19=14, Resulting Numbers: [59, 70, 14] Generated Node #0,1: 64:[59, 70, 14] Operation: 33-19=14 Moving to Node #0,1 Current State: 64:[59, 70, 14], Operations: ['33-19=14'] Exploring Operation: 70/14=5, Resulting Numbers: [59, 5] Generated Node #0,1,0: 64:[59, 5] Operation: 70/14=5 Moving to Node #0,1,0 Current State: 64:[59, 5], Operations: ['33-19=14', '70/14=5'] Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 35, 69, 73, 65 ]
34
[ "35+69=104", "73+65=138", "138-104=34" ]
Current State: 34:[35, 69, 73, 65], Operations: [] Exploring Operation: 35+69=104, Resulting Numbers: [73, 65, 104] Generated Node #2: [73, 65, 104] from Operation: 35+69=104 Current State: 34:[73, 65, 104], Operations: ['35+69=104'] Exploring Operation: 73+65=138, Resulting Numbers: [104, 138] Generated Node #3: [104, 138] from Operation: 73+65=138 Current State: 34:[104, 138], Operations: ['35+69=104', '73+65=138'] Exploring Operation: 138-104=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[35, 69, 73, 65], Operations: [] Exploring Operation: 73-69=4, Resulting Numbers: [35, 65, 4] Generated Node #0,0: 34:[35, 65, 4] Operation: 73-69=4 Exploring Operation: 73-65=8, Resulting Numbers: [35, 69, 8] Generated Node #0,1: 34:[35, 69, 8] Operation: 73-65=8 Exploring Operation: 69-65=4, Resulting Numbers: [35, 73, 4] Generated Node #0,2: 34:[35, 73, 4] Operation: 69-65=4 Moving to Node #0,0 Current State: 34:[35, 65, 4], Operations: ['73-69=4'] Exploring Operation: 65-4=61, Resulting Numbers: [35, 61] Generated Node #0,0,0: 34:[35, 61] Operation: 65-4=61 Exploring Operation: 65-35=30, Resulting Numbers: [4, 30] Generated Node #0,0,1: 34:[4, 30] Operation: 65-35=30 Exploring Operation: 35-4=31, Resulting Numbers: [65, 31] Generated Node #0,0,2: 34:[65, 31] Operation: 35-4=31 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 34:[4, 30], Operations: ['73-69=4', '65-35=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[35, 69, 73, 65], Operations: [] Exploring Operation: 73-69=4, Resulting Numbers: [35, 65, 4] Generated Node #0,0: 34:[35, 65, 4] Operation: 73-69=4 Moving to Node #0,0 Current State: 34:[35, 65, 4], Operations: ['73-69=4'] Exploring Operation: 65-35=30, Resulting Numbers: [4, 30] Generated Node #0,0,1: 34:[4, 30] Operation: 65-35=30 Moving to Node #0,0,1 Current State: 34:[4, 30], Operations: ['73-69=4', '65-35=30'] Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 95, 36, 61, 83 ]
91
[ "61+83=144", "144/36=4", "95-4=91" ]
Current State: 91:[95, 36, 61, 83], Operations: [] Exploring Operation: 61+83=144, Resulting Numbers: [95, 36, 144] Generated Node #2: [95, 36, 144] from Operation: 61+83=144 Current State: 91:[95, 36, 144], Operations: ['61+83=144'] Exploring Operation: 144/36=4, Resulting Numbers: [95, 4] Generated Node #3: [95, 4] from Operation: 144/36=4 Current State: 91:[95, 4], Operations: ['61+83=144', '144/36=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[95, 36, 61, 83], Operations: [] Exploring Operation: 83-61=22, Resulting Numbers: [95, 36, 22] Generated Node #0,0: 91:[95, 36, 22] Operation: 83-61=22 Exploring Operation: 61-36=25, Resulting Numbers: [95, 83, 25] Generated Node #0,1: 91:[95, 83, 25] Operation: 61-36=25 Exploring Operation: 36+61=97, Resulting Numbers: [95, 83, 97] Generated Node #0,2: 91:[95, 83, 97] Operation: 36+61=97 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[95, 83, 97], Operations: ['36+61=97'] Exploring Operation: 97-83=14, Resulting Numbers: [95, 14] Generated Node #0,2,0: 91:[95, 14] Operation: 97-83=14 Exploring Operation: 95-83=12, Resulting Numbers: [97, 12] Generated Node #0,2,1: 91:[97, 12] Operation: 95-83=12 Exploring Operation: 97-95=2, Resulting Numbers: [83, 2] Generated Node #0,2,2: 91:[83, 2] Operation: 97-95=2 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 91:[95, 14], Operations: ['36+61=97', '97-83=14'] Exploring Operation: 95*14=1330, Resulting Numbers: [1330] 1330,91 unequal: No Solution Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,91 unequal: No Solution Exploring Operation: 95+14=109, Resulting Numbers: [109] 109,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 91:[97, 12], Operations: ['36+61=97', '95-83=12'] Exploring Operation: 97+12=109, Resulting Numbers: [109] 109,91 unequal: No Solution Exploring Operation: 97*12=1164, Resulting Numbers: [1164] 1164,91 unequal: No Solution Exploring Operation: 97-12=85, Resulting Numbers: [85] 85,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 91:[83, 2], Operations: ['36+61=97', '97-95=2'] Exploring Operation: 83*2=166, Resulting Numbers: [166] 166,91 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,91 unequal: No Solution Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[95, 83, 25], Operations: ['61-36=25'] Exploring Operation: 95-83=12, Resulting Numbers: [25, 12] Generated Node #0,1,0: 91:[25, 12] Operation: 95-83=12 Exploring Operation: 95-25=70, Resulting Numbers: [83, 70] Generated Node #0,1,1: 91:[83, 70] Operation: 95-25=70 Exploring Operation: 83+25=108, Resulting Numbers: [95, 108] Generated Node #0,1,2: 91:[95, 108] Operation: 83+25=108 Moving to Node #0,1,0 Current State: 91:[25, 12], Operations: ['61-36=25', '95-83=12'] Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,91 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[95, 108], Operations: ['61-36=25', '83+25=108'] Exploring Operation: 95*108=10260, Resulting Numbers: [10260] 10260,91 unequal: No Solution Exploring Operation: 108-95=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 95+108=203, Resulting Numbers: [203] 203,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[83, 70], Operations: ['61-36=25', '95-25=70'] Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 83*70=5810, Resulting Numbers: [5810] 5810,91 unequal: No Solution Exploring Operation: 83+70=153, Resulting Numbers: [153] 153,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[95, 36, 22], Operations: ['83-61=22'] Exploring Operation: 36+22=58, Resulting Numbers: [95, 58] Generated Node #0,0,0: 91:[95, 58] Operation: 36+22=58 Exploring Operation: 95-36=59, Resulting Numbers: [22, 59] Generated Node #0,0,1: 91:[22, 59] Operation: 95-36=59 Exploring Operation: 36-22=14, Resulting Numbers: [95, 14] Generated Node #0,0,2: 91:[95, 14] Operation: 36-22=14 Moving to Node #0,0,2 Current State: 91:[95, 14], Operations: ['83-61=22', '36-22=14'] Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,91 unequal: No Solution Exploring Operation: 95*14=1330, Resulting Numbers: [1330] 1330,91 unequal: No Solution Exploring Operation: 95+14=109, Resulting Numbers: [109] 109,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[95, 58], Operations: ['83-61=22', '36+22=58'] Exploring Operation: 95+58=153, Resulting Numbers: [153] 153,91 unequal: No Solution Exploring Operation: 95*58=5510, Resulting Numbers: [5510] 5510,91 unequal: No Solution Exploring Operation: 95-58=37, Resulting Numbers: [37] 37,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[22, 59], Operations: ['83-61=22', '95-36=59'] Exploring Operation: 22*59=1298, Resulting Numbers: [1298] 1298,91 unequal: No Solution Exploring Operation: 22+59=81, Resulting Numbers: [81] 81,91 unequal: No Solution Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,91 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
[ 15, 1, 45, 52 ]
17
[ "45/15=3", "52-1=51", "51/3=17" ]
Current State: 17:[15, 1, 45, 52], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [1, 52, 3] Generated Node #2: [1, 52, 3] from Operation: 45/15=3 Current State: 17:[1, 52, 3], Operations: ['45/15=3'] Exploring Operation: 52-1=51, Resulting Numbers: [3, 51] Generated Node #3: [3, 51] from Operation: 52-1=51 Current State: 17:[3, 51], Operations: ['45/15=3', '52-1=51'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[15, 1, 45, 52], Operations: [] Exploring Operation: 52-45=7, Resulting Numbers: [15, 1, 7] Generated Node #0,0: 17:[15, 1, 7] Operation: 52-45=7 Moving to Node #0,0 Current State: 17:[15, 1, 7], Operations: ['52-45=7'] Exploring Operation: 15+1=16, Resulting Numbers: [7, 16] Generated Node #0,0,0: 17:[7, 16] Operation: 15+1=16 Moving to Node #0,0,0 Current State: 17:[7, 16], Operations: ['52-45=7', '15+1=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,17 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 1, 55, 41, 64 ]
79
[ "1+55=56", "64-41=23", "56+23=79" ]
Current State: 79:[1, 55, 41, 64], Operations: [] Exploring Operation: 1+55=56, Resulting Numbers: [41, 64, 56] Generated Node #2: [41, 64, 56] from Operation: 1+55=56 Current State: 79:[41, 64, 56], Operations: ['1+55=56'] Exploring Operation: 64-41=23, Resulting Numbers: [56, 23] Generated Node #3: [56, 23] from Operation: 64-41=23 Current State: 79:[56, 23], Operations: ['1+55=56', '64-41=23'] Exploring Operation: 56+23=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[1, 55, 41, 64], Operations: [] Exploring Operation: 1+55=56, Resulting Numbers: [41, 64, 56] Generated Node #0,0: 79:[41, 64, 56] Operation: 1+55=56 Exploring Operation: 1+41=42, Resulting Numbers: [55, 64, 42] Generated Node #0,1: 79:[55, 64, 42] Operation: 1+41=42 Exploring Operation: 1+64=65, Resulting Numbers: [55, 41, 65] Generated Node #0,2: 79:[55, 41, 65] Operation: 1+64=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[41, 64, 56], Operations: ['1+55=56'] Exploring Operation: 64-41=23, Resulting Numbers: [56, 23] Generated Node #0,0,0: 79:[56, 23] Operation: 64-41=23 Exploring Operation: 41+56=97, Resulting Numbers: [64, 97] Generated Node #0,0,1: 79:[64, 97] Operation: 41+56=97 Exploring Operation: 41+64=105, Resulting Numbers: [56, 105] Generated Node #0,0,2: 79:[56, 105] Operation: 41+64=105 Moving to Node #0,0,1 Current State: 79:[64, 97], Operations: ['1+55=56', '41+56=97'] Exploring Operation: 64+97=161, Resulting Numbers: [161] 161,79 unequal: No Solution Exploring Operation: 97-64=33, Resulting Numbers: [33] 33,79 unequal: No Solution Exploring Operation: 64*97=6208, Resulting Numbers: [6208] 6208,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[56, 105], Operations: ['1+55=56', '41+64=105'] Exploring Operation: 56+105=161, Resulting Numbers: [161] 161,79 unequal: No Solution Exploring Operation: 105-56=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 56*105=5880, Resulting Numbers: [5880] 5880,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[56, 23], Operations: ['1+55=56', '64-41=23'] Exploring Operation: 56*23=1288, Resulting Numbers: [1288] 1288,79 unequal: No Solution Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,79 unequal: No Solution Exploring Operation: 56+23=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[1, 55, 41, 64], Operations: [] Exploring Operation: 1+55=56, Resulting Numbers: [41, 64, 56] Generated Node #0,0: 79:[41, 64, 56] Operation: 1+55=56 Moving to Node #0,0 Current State: 79:[41, 64, 56], Operations: ['1+55=56'] Exploring Operation: 64-41=23, Resulting Numbers: [56, 23] Generated Node #0,0,0: 79:[56, 23] Operation: 64-41=23 Moving to Node #0,0,0 Current State: 79:[56, 23], Operations: ['1+55=56', '64-41=23'] Exploring Operation: 56+23=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 27, 90, 61, 76 ]
50
[ "76-61=15", "90*15=1350", "1350/27=50" ]
Current State: 50:[27, 90, 61, 76], Operations: [] Exploring Operation: 76-61=15, Resulting Numbers: [27, 90, 15] Generated Node #2: [27, 90, 15] from Operation: 76-61=15 Current State: 50:[27, 90, 15], Operations: ['76-61=15'] Exploring Operation: 90*15=1350, Resulting Numbers: [27, 1350] Generated Node #3: [27, 1350] from Operation: 90*15=1350 Current State: 50:[27, 1350], Operations: ['76-61=15', '90*15=1350'] Exploring Operation: 1350/27=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[27, 90, 61, 76], Operations: [] Exploring Operation: 90-76=14, Resulting Numbers: [27, 61, 14] Generated Node #0,0: 50:[27, 61, 14] Operation: 90-76=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[27, 61, 14], Operations: ['90-76=14'] Exploring Operation: 61-14=47, Resulting Numbers: [27, 47] Generated Node #0,0,0: 50:[27, 47] Operation: 61-14=47 Moving to Node #0,0,0 Current State: 50:[27, 47], Operations: ['90-76=14', '61-14=47'] Exploring Operation: 47-27=20, Resulting Numbers: [20] 20,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 49, 53, 22, 3 ]
77
[ "49+53=102", "22+3=25", "102-25=77" ]
Current State: 77:[49, 53, 22, 3], Operations: [] Exploring Operation: 49+53=102, Resulting Numbers: [22, 3, 102] Generated Node #2: [22, 3, 102] from Operation: 49+53=102 Current State: 77:[22, 3, 102], Operations: ['49+53=102'] Exploring Operation: 22+3=25, Resulting Numbers: [102, 25] Generated Node #3: [102, 25] from Operation: 22+3=25 Current State: 77:[102, 25], Operations: ['49+53=102', '22+3=25'] Exploring Operation: 102-25=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[49, 53, 22, 3], Operations: [] Exploring Operation: 53-49=4, Resulting Numbers: [22, 3, 4] Generated Node #0,0: 77:[22, 3, 4] Operation: 53-49=4 Moving to Node #0,0 Current State: 77:[22, 3, 4], Operations: ['53-49=4'] Exploring Operation: 22-3=19, Resulting Numbers: [4, 19] Generated Node #0,0,0: 77:[4, 19] Operation: 22-3=19 Moving to Node #0,0,0 Current State: 77:[4, 19], Operations: ['53-49=4', '22-3=19'] Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,77 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 69, 38, 12, 4 ]
71
[ "69+12=81", "38*4=152", "152-81=71" ]
Current State: 71:[69, 38, 12, 4], Operations: [] Exploring Operation: 69+12=81, Resulting Numbers: [38, 4, 81] Generated Node #2: [38, 4, 81] from Operation: 69+12=81 Current State: 71:[38, 4, 81], Operations: ['69+12=81'] Exploring Operation: 38*4=152, Resulting Numbers: [81, 152] Generated Node #3: [81, 152] from Operation: 38*4=152 Current State: 71:[81, 152], Operations: ['69+12=81', '38*4=152'] Exploring Operation: 152-81=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[69, 38, 12, 4], Operations: [] Exploring Operation: 12+4=16, Resulting Numbers: [69, 38, 16] Generated Node #0,0: 71:[69, 38, 16] Operation: 12+4=16 Exploring Operation: 12*4=48, Resulting Numbers: [69, 38, 48] Generated Node #0,1: 71:[69, 38, 48] Operation: 12*4=48 Exploring Operation: 38+4=42, Resulting Numbers: [69, 12, 42] Generated Node #0,2: 71:[69, 12, 42] Operation: 38+4=42 Exploring Operation: 38+12=50, Resulting Numbers: [69, 4, 50] Generated Node #0,3: 71:[69, 4, 50] Operation: 38+12=50 Moving to Node #0,1 Current State: 71:[69, 38, 48], Operations: ['12*4=48'] Exploring Operation: 48-38=10, Resulting Numbers: [69, 10] Generated Node #0,1,0: 71:[69, 10] Operation: 48-38=10 Exploring Operation: 38+48=86, Resulting Numbers: [69, 86] Generated Node #0,1,1: 71:[69, 86] Operation: 38+48=86 Exploring Operation: 69+38=107, Resulting Numbers: [48, 107] Generated Node #0,1,2: 71:[48, 107] Operation: 69+38=107 Exploring Operation: 69-38=31, Resulting Numbers: [48, 31] Generated Node #0,1,3: 71:[48, 31] Operation: 69-38=31 Moving to Node #0,2 Current State: 71:[69, 12, 42], Operations: ['38+4=42'] Exploring Operation: 42-12=30, Resulting Numbers: [69, 30] Generated Node #0,2,0: 71:[69, 30] Operation: 42-12=30 Exploring Operation: 69-12=57, Resulting Numbers: [42, 57] Generated Node #0,2,1: 71:[42, 57] Operation: 69-12=57 Exploring Operation: 69+12=81, Resulting Numbers: [42, 81] Generated Node #0,2,2: 71:[42, 81] Operation: 69+12=81 Exploring Operation: 12+42=54, Resulting Numbers: [69, 54] Generated Node #0,2,3: 71:[69, 54] Operation: 12+42=54 Moving to Node #0,0 Current State: 71:[69, 38, 16], Operations: ['12+4=16'] Exploring Operation: 69+16=85, Resulting Numbers: [38, 85] Generated Node #0,0,0: 71:[38, 85] Operation: 69+16=85 Exploring Operation: 38-16=22, Resulting Numbers: [69, 22] Generated Node #0,0,1: 71:[69, 22] Operation: 38-16=22 Exploring Operation: 69-16=53, Resulting Numbers: [38, 53] Generated Node #0,0,2: 71:[38, 53] Operation: 69-16=53 Exploring Operation: 38+16=54, Resulting Numbers: [69, 54] Generated Node #0,0,3: 71:[69, 54] Operation: 38+16=54 Moving to Node #0,3 Current State: 71:[69, 4, 50], Operations: ['38+12=50'] Exploring Operation: 4+50=54, Resulting Numbers: [69, 54] Generated Node #0,3,0: 71:[69, 54] Operation: 4+50=54 Exploring Operation: 50-4=46, Resulting Numbers: [69, 46] Generated Node #0,3,1: 71:[69, 46] Operation: 50-4=46 Exploring Operation: 69-4=65, Resulting Numbers: [50, 65] Generated Node #0,3,2: 71:[50, 65] Operation: 69-4=65 Exploring Operation: 69+4=73, Resulting Numbers: [50, 73] Generated Node #0,3,3: 71:[50, 73] Operation: 69+4=73 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[69, 54], Operations: ['38+12=50', '4+50=54'] Exploring Operation: 69-54=15, Resulting Numbers: [15] 15,71 unequal: No Solution Exploring Operation: 69+54=123, Resulting Numbers: [123] 123,71 unequal: No Solution Exploring Operation: 69*54=3726, Resulting Numbers: [3726] 3726,71 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:[50, 73], Operations: ['38+12=50', '69+4=73'] Exploring Operation: 73-50=23, Resulting Numbers: [23] 23,71 unequal: No Solution Exploring Operation: 50+73=123, Resulting Numbers: [123] 123,71 unequal: No Solution Exploring Operation: 50*73=3650, Resulting Numbers: [3650] 3650,71 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:[69, 46], Operations: ['38+12=50', '50-4=46'] Exploring Operation: 69-46=23, Resulting Numbers: [23] 23,71 unequal: No Solution Exploring Operation: 69+46=115, Resulting Numbers: [115] 115,71 unequal: No Solution Exploring Operation: 69*46=3174, Resulting Numbers: [3174] 3174,71 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:[50, 65], Operations: ['38+12=50', '69-4=65'] Exploring Operation: 65-50=15, Resulting Numbers: [15] 15,71 unequal: No Solution Exploring Operation: 50+65=115, Resulting Numbers: [115] 115,71 unequal: No Solution Exploring Operation: 50*65=3250, Resulting Numbers: [3250] 3250,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 71:[69, 86], Operations: ['12*4=48', '38+48=86'] Exploring Operation: 69*86=5934, Resulting Numbers: [5934] 5934,71 unequal: No Solution Exploring Operation: 86-69=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 69+86=155, Resulting Numbers: [155] 155,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[69, 54], Operations: ['38+4=42', '12+42=54'] Exploring Operation: 69*54=3726, Resulting Numbers: [3726] 3726,71 unequal: No Solution Exploring Operation: 69+54=123, Resulting Numbers: [123] 123,71 unequal: No Solution Exploring Operation: 69-54=15, Resulting Numbers: [15] 15,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[69, 54], Operations: ['12+4=16', '38+16=54'] Exploring Operation: 69*54=3726, Resulting Numbers: [3726] 3726,71 unequal: No Solution Exploring Operation: 69-54=15, Resulting Numbers: [15] 15,71 unequal: No Solution Exploring Operation: 69+54=123, Resulting Numbers: [123] 123,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[42, 81], Operations: ['38+4=42', '69+12=81'] Exploring Operation: 42*81=3402, Resulting Numbers: [3402] 3402,71 unequal: No Solution Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 42+81=123, Resulting Numbers: [123] 123,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[69, 30], Operations: ['38+4=42', '42-12=30'] Exploring Operation: 69-30=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 69*30=2070, Resulting Numbers: [2070] 2070,71 unequal: No Solution Exploring Operation: 69+30=99, Resulting Numbers: [99] 99,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[42, 57], Operations: ['38+4=42', '69-12=57'] Exploring Operation: 42*57=2394, Resulting Numbers: [2394] 2394,71 unequal: No Solution Exploring Operation: 42+57=99, Resulting Numbers: [99] 99,71 unequal: No Solution Exploring Operation: 57-42=15, Resulting Numbers: [15] 15,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[38, 85], Operations: ['12+4=16', '69+16=85'] Exploring Operation: 85-38=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 38*85=3230, Resulting Numbers: [3230] 3230,71 unequal: No Solution Exploring Operation: 38+85=123, Resulting Numbers: [123] 123,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[38, 53], Operations: ['12+4=16', '69-16=53'] Exploring Operation: 38*53=2014, Resulting Numbers: [2014] 2014,71 unequal: No Solution Exploring Operation: 38+53=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 53-38=15, Resulting Numbers: [15] 15,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[69, 22], Operations: ['12+4=16', '38-16=22'] Exploring Operation: 69+22=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 69-22=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 69*22=1518, Resulting Numbers: [1518] 1518,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[48, 107], Operations: ['12*4=48', '69+38=107'] Exploring Operation: 107-48=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 48*107=5136, Resulting Numbers: [5136] 5136,71 unequal: No Solution Exploring Operation: 48+107=155, Resulting Numbers: [155] 155,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[48, 31], Operations: ['12*4=48', '69-38=31'] Exploring Operation: 48*31=1488, Resulting Numbers: [1488] 1488,71 unequal: No Solution Exploring Operation: 48+31=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[69, 10], Operations: ['12*4=48', '48-38=10'] Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,71 unequal: No Solution Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,71 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 54, 3, 35, 2 ]
51
[ "54/3=18", "35-2=33", "18+33=51" ]
Current State: 51:[54, 3, 35, 2], Operations: [] Exploring Operation: 54/3=18, Resulting Numbers: [35, 2, 18] Generated Node #2: [35, 2, 18] from Operation: 54/3=18 Current State: 51:[35, 2, 18], Operations: ['54/3=18'] Exploring Operation: 35-2=33, Resulting Numbers: [18, 33] Generated Node #3: [18, 33] from Operation: 35-2=33 Current State: 51:[18, 33], Operations: ['54/3=18', '35-2=33'] Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[54, 3, 35, 2], Operations: [] Exploring Operation: 54-35=19, Resulting Numbers: [3, 2, 19] Generated Node #0,0: 51:[3, 2, 19] Operation: 54-35=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[3, 2, 19], Operations: ['54-35=19'] Exploring Operation: 19-2=17, Resulting Numbers: [3, 17] Generated Node #0,0,0: 51:[3, 17] Operation: 19-2=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[3, 17], Operations: ['54-35=19', '19-2=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[54, 3, 35, 2], Operations: [] Exploring Operation: 54-35=19, Resulting Numbers: [3, 2, 19] Generated Node #0,0: 51:[3, 2, 19] Operation: 54-35=19 Moving to Node #0,0 Current State: 51:[3, 2, 19], Operations: ['54-35=19'] Exploring Operation: 19-2=17, Resulting Numbers: [3, 17] Generated Node #0,0,0: 51:[3, 17] Operation: 19-2=17 Moving to Node #0,0,0 Current State: 51:[3, 17], Operations: ['54-35=19', '19-2=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 43, 63, 17, 16 ]
53
[ "63-43=20", "17+16=33", "20+33=53" ]
Current State: 53:[43, 63, 17, 16], Operations: [] Exploring Operation: 63-43=20, Resulting Numbers: [17, 16, 20] Generated Node #2: [17, 16, 20] from Operation: 63-43=20 Current State: 53:[17, 16, 20], Operations: ['63-43=20'] Exploring Operation: 17+16=33, Resulting Numbers: [20, 33] Generated Node #3: [20, 33] from Operation: 17+16=33 Current State: 53:[20, 33], Operations: ['63-43=20', '17+16=33'] Exploring Operation: 20+33=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[43, 63, 17, 16], Operations: [] Exploring Operation: 17+16=33, Resulting Numbers: [43, 63, 33] Generated Node #0,0: 53:[43, 63, 33] Operation: 17+16=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[43, 63, 33], Operations: ['17+16=33'] Exploring Operation: 43+33=76, Resulting Numbers: [63, 76] Generated Node #0,0,0: 53:[63, 76] Operation: 43+33=76 Moving to Node #0,0,0 Current State: 53:[63, 76], Operations: ['17+16=33', '43+33=76'] Exploring Operation: 76-63=13, Resulting Numbers: [13] 13,53 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
[ 78, 29, 43, 5 ]
69
[ "78+29=107", "43-5=38", "107-38=69" ]
Current State: 69:[78, 29, 43, 5], Operations: [] Exploring Operation: 78+29=107, Resulting Numbers: [43, 5, 107] Generated Node #2: [43, 5, 107] from Operation: 78+29=107 Current State: 69:[43, 5, 107], Operations: ['78+29=107'] Exploring Operation: 43-5=38, Resulting Numbers: [107, 38] Generated Node #3: [107, 38] from Operation: 43-5=38 Current State: 69:[107, 38], Operations: ['78+29=107', '43-5=38'] Exploring Operation: 107-38=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[78, 29, 43, 5], Operations: [] Exploring Operation: 29+43=72, Resulting Numbers: [78, 5, 72] Generated Node #0,0: 69:[78, 5, 72] Operation: 29+43=72 Exploring Operation: 43-29=14, Resulting Numbers: [78, 5, 14] Generated Node #0,1: 69:[78, 5, 14] Operation: 43-29=14 Exploring Operation: 78-5=73, Resulting Numbers: [29, 43, 73] Generated Node #0,2: 69:[29, 43, 73] Operation: 78-5=73 Exploring Operation: 29-5=24, Resulting Numbers: [78, 43, 24] Generated Node #0,3: 69:[78, 43, 24] Operation: 29-5=24 Exploring Operation: 78-43=35, Resulting Numbers: [29, 5, 35] Generated Node #0,4: 69:[29, 5, 35] Operation: 78-43=35 Moving to Node #0,0 Current State: 69:[78, 5, 72], Operations: ['29+43=72'] Exploring Operation: 78+5=83, Resulting Numbers: [72, 83] Generated Node #0,0,0: 69:[72, 83] Operation: 78+5=83 Exploring Operation: 78-5=73, Resulting Numbers: [72, 73] Generated Node #0,0,1: 69:[72, 73] Operation: 78-5=73 Exploring Operation: 72-5=67, Resulting Numbers: [78, 67] Generated Node #0,0,2: 69:[78, 67] Operation: 72-5=67 Exploring Operation: 5+72=77, Resulting Numbers: [78, 77] Generated Node #0,0,3: 69:[78, 77] Operation: 5+72=77 Exploring Operation: 78-72=6, Resulting Numbers: [5, 6] Generated Node #0,0,4: 69:[5, 6] Operation: 78-72=6 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 69:[5, 6], Operations: ['29+43=72', '78-72=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,69 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,69 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 #0,0,1 Current State: 69:[72, 73], Operations: ['29+43=72', '78-5=73'] Exploring Operation: 72+73=145, Resulting Numbers: [145] 145,69 unequal: No Solution Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 72*73=5256, Resulting Numbers: [5256] 5256,69 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:[78, 67], Operations: ['29+43=72', '72-5=67'] Exploring Operation: 78*67=5226, Resulting Numbers: [5226] 5226,69 unequal: No Solution Exploring Operation: 78-67=11, Resulting Numbers: [11] 11,69 unequal: No Solution Exploring Operation: 78+67=145, Resulting Numbers: [145] 145,69 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 #0,0,0 Current State: 69:[72, 83], Operations: ['29+43=72', '78+5=83'] Exploring Operation: 72+83=155, Resulting Numbers: [155] 155,69 unequal: No Solution Exploring Operation: 72*83=5976, Resulting Numbers: [5976] 5976,69 unequal: No Solution Exploring Operation: 83-72=11, Resulting Numbers: [11] 11,69 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 #0,0,3 Current State: 69:[78, 77], Operations: ['29+43=72', '5+72=77'] Exploring Operation: 78*77=6006, Resulting Numbers: [6006] 6006,69 unequal: No Solution Exploring Operation: 78-77=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 78+77=155, Resulting Numbers: [155] 155,69 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: 69:[29, 5, 35], Operations: ['78-43=35'] Exploring Operation: 35-5=30, Resulting Numbers: [29, 30] Generated Node #0,4,0: 69:[29, 30] Operation: 35-5=30 Exploring Operation: 35/5=7, Resulting Numbers: [29, 7] Generated Node #0,4,1: 69:[29, 7] Operation: 35/5=7 Exploring Operation: 29+35=64, Resulting Numbers: [5, 64] Generated Node #0,4,2: 69:[5, 64] Operation: 29+35=64 Exploring Operation: 35-29=6, Resulting Numbers: [5, 6] Generated Node #0,4,3: 69:[5, 6] Operation: 35-29=6 Exploring Operation: 29-5=24, Resulting Numbers: [35, 24] Generated Node #0,4,4: 69:[35, 24] Operation: 29-5=24 Moving to Node #0,1 Current State: 69:[78, 5, 14], Operations: ['43-29=14'] Exploring Operation: 78-5=73, Resulting Numbers: [14, 73] Generated Node #0,1,0: 69:[14, 73] Operation: 78-5=73 Exploring Operation: 78-14=64, Resulting Numbers: [5, 64] Generated Node #0,1,1: 69:[5, 64] Operation: 78-14=64 Exploring Operation: 5*14=70, Resulting Numbers: [78, 70] Generated Node #0,1,2: 69:[78, 70] Operation: 5*14=70 Exploring Operation: 5+14=19, Resulting Numbers: [78, 19] Generated Node #0,1,3: 69:[78, 19] Operation: 5+14=19 Exploring Operation: 14-5=9, Resulting Numbers: [78, 9] Generated Node #0,1,4: 69:[78, 9] Operation: 14-5=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 69:[5, 64], Operations: ['43-29=14', '78-14=64'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,69 unequal: No Solution Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[78, 29, 43, 5], Operations: [] Exploring Operation: 43-29=14, Resulting Numbers: [78, 5, 14] Generated Node #0,1: 69:[78, 5, 14] Operation: 43-29=14 Moving to Node #0,1 Current State: 69:[78, 5, 14], Operations: ['43-29=14'] Exploring Operation: 78-14=64, Resulting Numbers: [5, 64] Generated Node #0,1,1: 69:[5, 64] Operation: 78-14=64 Moving to Node #0,1,1 Current State: 69:[5, 64], Operations: ['43-29=14', '78-14=64'] Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 25, 68, 69, 3 ]
70
[ "25+68=93", "69/3=23", "93-23=70" ]
Current State: 70:[25, 68, 69, 3], Operations: [] Exploring Operation: 25+68=93, Resulting Numbers: [69, 3, 93] Generated Node #2: [69, 3, 93] from Operation: 25+68=93 Current State: 70:[69, 3, 93], Operations: ['25+68=93'] Exploring Operation: 69/3=23, Resulting Numbers: [93, 23] Generated Node #3: [93, 23] from Operation: 69/3=23 Current State: 70:[93, 23], Operations: ['25+68=93', '69/3=23'] Exploring Operation: 93-23=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[25, 68, 69, 3], Operations: [] Exploring Operation: 25*3=75, Resulting Numbers: [68, 69, 75] Generated Node #0,0: 70:[68, 69, 75] Operation: 25*3=75 Exploring Operation: 25+3=28, Resulting Numbers: [68, 69, 28] Generated Node #0,1: 70:[68, 69, 28] Operation: 25+3=28 Exploring Operation: 68-25=43, Resulting Numbers: [69, 3, 43] Generated Node #0,2: 70:[69, 3, 43] Operation: 68-25=43 Exploring Operation: 69-25=44, Resulting Numbers: [68, 3, 44] Generated Node #0,3: 70:[68, 3, 44] Operation: 69-25=44 Exploring Operation: 25-3=22, Resulting Numbers: [68, 69, 22] Generated Node #0,4: 70:[68, 69, 22] Operation: 25-3=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[68, 69, 75], Operations: ['25*3=75'] Exploring Operation: 75-68=7, Resulting Numbers: [69, 7] Generated Node #0,0,0: 70:[69, 7] Operation: 75-68=7 Exploring Operation: 68+69=137, Resulting Numbers: [75, 137] Generated Node #0,0,1: 70:[75, 137] Operation: 68+69=137 Exploring Operation: 75-69=6, Resulting Numbers: [68, 6] Generated Node #0,0,2: 70:[68, 6] Operation: 75-69=6 Exploring Operation: 69-68=1, Resulting Numbers: [75, 1] Generated Node #0,0,3: 70:[75, 1] Operation: 69-68=1 Exploring Operation: 68+75=143, Resulting Numbers: [69, 143] Generated Node #0,0,4: 70:[69, 143] Operation: 68+75=143 Moving to Node #0,0,0 Current State: 70:[69, 7], Operations: ['25*3=75', '75-68=7'] Exploring Operation: 69*7=483, Resulting Numbers: [483] 483,70 unequal: No Solution Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,70 unequal: No Solution Exploring Operation: 69+7=76, Resulting Numbers: [76] 76,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[68, 6], Operations: ['25*3=75', '75-69=6'] Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,70 unequal: No Solution Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,70 unequal: No Solution Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,70 unequal: No Solution Moving to Node #0,0,3 Current State: 70:[75, 1], Operations: ['25*3=75', '69-68=1'] Exploring Operation: 75*1=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 75+1=76, Resulting Numbers: [76] 76,70 unequal: No Solution Exploring Operation: 75/1=75, Resulting Numbers: [75] 75,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[75, 137], Operations: ['25*3=75', '68+69=137'] Exploring Operation: 75+137=212, Resulting Numbers: [212] 212,70 unequal: No Solution Exploring Operation: 137-75=62, Resulting Numbers: [62] 62,70 unequal: No Solution Exploring Operation: 75*137=10275, Resulting Numbers: [10275] 10275,70 unequal: No Solution Moving to Node #0,0,4 Current State: 70:[69, 143], Operations: ['25*3=75', '68+75=143'] Exploring Operation: 69+143=212, Resulting Numbers: [212] 212,70 unequal: No Solution Exploring Operation: 143-69=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 69*143=9867, Resulting Numbers: [9867] 9867,70 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 Current State: 70:[68, 69, 28], Operations: ['25+3=28'] Exploring Operation: 68-28=40, Resulting Numbers: [69, 40] Generated Node #0,1,0: 70:[69, 40] Operation: 68-28=40 Exploring Operation: 68+28=96, Resulting Numbers: [69, 96] Generated Node #0,1,1: 70:[69, 96] Operation: 68+28=96 Exploring Operation: 69-68=1, Resulting Numbers: [28, 1] Generated Node #0,1,2: 70:[28, 1] Operation: 69-68=1 Exploring Operation: 69+28=97, Resulting Numbers: [68, 97] Generated Node #0,1,3: 70:[68, 97] Operation: 69+28=97 Exploring Operation: 69-28=41, Resulting Numbers: [68, 41] Generated Node #0,1,4: 70:[68, 41] Operation: 69-28=41 Moving to Node #0,1,0 Current State: 70:[69, 40], Operations: ['25+3=28', '68-28=40'] Exploring Operation: 69*40=2760, Resulting Numbers: [2760] 2760,70 unequal: No Solution Exploring Operation: 69+40=109, Resulting Numbers: [109] 109,70 unequal: No Solution Exploring Operation: 69-40=29, Resulting Numbers: [29] 29,70 unequal: No Solution Moving to Node #0,1,4 Current State: 70:[68, 41], Operations: ['25+3=28', '69-28=41'] Exploring Operation: 68-41=27, Resulting Numbers: [27] 27,70 unequal: No Solution Exploring Operation: 68+41=109, Resulting Numbers: [109] 109,70 unequal: No Solution Exploring Operation: 68*41=2788, Resulting Numbers: [2788] 2788,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[28, 1], Operations: ['25+3=28', '69-68=1'] Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,70 unequal: No Solution Exploring Operation: 28+1=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,70 unequal: No Solution Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[69, 96], Operations: ['25+3=28', '68+28=96'] Exploring Operation: 96-69=27, Resulting Numbers: [27] 27,70 unequal: No Solution Exploring Operation: 69*96=6624, Resulting Numbers: [6624] 6624,70 unequal: No Solution Exploring Operation: 69+96=165, Resulting Numbers: [165] 165,70 unequal: No Solution Moving to Node #0,1,3 Current State: 70:[68, 97], Operations: ['25+3=28', '69+28=97'] Exploring Operation: 97-68=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 68*97=6596, Resulting Numbers: [6596] 6596,70 unequal: No Solution Exploring Operation: 68+97=165, Resulting Numbers: [165] 165,70 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 #0,2 Current State: 70:[69, 3, 43], Operations: ['68-25=43'] Exploring Operation: 43-3=40, Resulting Numbers: [69, 40] Generated Node #0,2,0: 70:[69, 40] Operation: 43-3=40 Exploring Operation: 69-43=26, Resulting Numbers: [3, 26] Generated Node #0,2,1: 70:[3, 26] Operation: 69-43=26 Exploring Operation: 3+43=46, Resulting Numbers: [69, 46] Generated Node #0,2,2: 70:[69, 46] Operation: 3+43=46 Exploring Operation: 69+3=72, Resulting Numbers: [43, 72] Generated Node #0,2,3: 70:[43, 72] Operation: 69+3=72 Exploring Operation: 69-3=66, Resulting Numbers: [43, 66] Generated Node #0,2,4: 70:[43, 66] Operation: 69-3=66 Moving to Node #0,2,0 Current State: 70:[69, 40], Operations: ['68-25=43', '43-3=40'] Exploring Operation: 69*40=2760, Resulting Numbers: [2760] 2760,70 unequal: No Solution Exploring Operation: 69+40=109, Resulting Numbers: [109] 109,70 unequal: No Solution Exploring Operation: 69-40=29, Resulting Numbers: [29] 29,70 unequal: No Solution Moving to Node #0,2,3 Current State: 70:[43, 72], Operations: ['68-25=43', '69+3=72'] Exploring Operation: 43*72=3096, Resulting Numbers: [3096] 3096,70 unequal: No Solution Exploring Operation: 43+72=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 72-43=29, Resulting Numbers: [29] 29,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[3, 26], Operations: ['68-25=43', '69-43=26'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[69, 46], Operations: ['68-25=43', '3+43=46'] Exploring Operation: 69*46=3174, Resulting Numbers: [3174] 3174,70 unequal: No Solution Exploring Operation: 69+46=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 69-46=23, Resulting Numbers: [23] 23,70 unequal: No Solution Moving to Node #0,2,4 Current State: 70:[43, 66], Operations: ['68-25=43', '69-3=66'] Exploring Operation: 66-43=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 43+66=109, Resulting Numbers: [109] 109,70 unequal: No Solution Exploring Operation: 43*66=2838, Resulting Numbers: [2838] 2838,70 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 #0,4 Current State: 70:[68, 69, 22], Operations: ['25-3=22'] Exploring Operation: 69+22=91, Resulting Numbers: [68, 91] Generated Node #0,4,0: 70:[68, 91] Operation: 69+22=91 Exploring Operation: 69-22=47, Resulting Numbers: [68, 47] Generated Node #0,4,1: 70:[68, 47] Operation: 69-22=47 Exploring Operation: 68+22=90, Resulting Numbers: [69, 90] Generated Node #0,4,2: 70:[69, 90] Operation: 68+22=90 Exploring Operation: 69-68=1, Resulting Numbers: [22, 1] Generated Node #0,4,3: 70:[22, 1] Operation: 69-68=1 Exploring Operation: 68-22=46, Resulting Numbers: [69, 46] Generated Node #0,4,4: 70:[69, 46] Operation: 68-22=46 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 70:[22, 1], Operations: ['25-3=22', '69-68=1'] Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 22*1=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 22/1=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 22+1=23, Resulting Numbers: [23] 23,70 unequal: No Solution No 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: 70:[69, 46], Operations: ['25-3=22', '68-22=46'] Exploring Operation: 69-46=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 69+46=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 69*46=3174, Resulting Numbers: [3174] 3174,70 unequal: No Solution No 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: 70:[68, 47], Operations: ['25-3=22', '69-22=47'] Exploring Operation: 68*47=3196, Resulting Numbers: [3196] 3196,70 unequal: No Solution Exploring Operation: 68-47=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 68+47=115, Resulting Numbers: [115] 115,70 unequal: No Solution No 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: 70:[69, 90], Operations: ['25-3=22', '68+22=90'] Exploring Operation: 90-69=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 69*90=6210, Resulting Numbers: [6210] 6210,70 unequal: No Solution Exploring Operation: 69+90=159, Resulting Numbers: [159] 159,70 unequal: No Solution No 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: 70:[68, 91], Operations: ['25-3=22', '69+22=91'] Exploring Operation: 91-68=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 68+91=159, Resulting Numbers: [159] 159,70 unequal: No Solution Exploring Operation: 68*91=6188, Resulting Numbers: [6188] 6188,70 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: 70:[68, 3, 44], Operations: ['69-25=44'] Exploring Operation: 44-3=41, Resulting Numbers: [68, 41] Generated Node #0,3,0: 70:[68, 41] Operation: 44-3=41 Exploring Operation: 68-44=24, Resulting Numbers: [3, 24] Generated Node #0,3,1: 70:[3, 24] Operation: 68-44=24 Exploring Operation: 68+3=71, Resulting Numbers: [44, 71] Generated Node #0,3,2: 70:[44, 71] Operation: 68+3=71 Exploring Operation: 68-3=65, Resulting Numbers: [44, 65] Generated Node #0,3,3: 70:[44, 65] Operation: 68-3=65 Exploring Operation: 3+44=47, Resulting Numbers: [68, 47] Generated Node #0,3,4: 70:[68, 47] Operation: 3+44=47 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 70:[68, 41], Operations: ['69-25=44', '44-3=41'] Exploring Operation: 68+41=109, Resulting Numbers: [109] 109,70 unequal: No Solution Exploring Operation: 68*41=2788, Resulting Numbers: [2788] 2788,70 unequal: No Solution Exploring Operation: 68-41=27, Resulting Numbers: [27] 27,70 unequal: No Solution No 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: 70:[44, 71], Operations: ['69-25=44', '68+3=71'] Exploring Operation: 44*71=3124, Resulting Numbers: [3124] 3124,70 unequal: No Solution Exploring Operation: 44+71=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 71-44=27, Resulting Numbers: [27] 27,70 unequal: No Solution No 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: 70:[3, 24], Operations: ['69-25=44', '68-44=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,70 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,70 unequal: No Solution No 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: 70:[44, 65], Operations: ['69-25=44', '68-3=65'] Exploring Operation: 65-44=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 44+65=109, Resulting Numbers: [109] 109,70 unequal: No Solution Exploring Operation: 44*65=2860, Resulting Numbers: [2860] 2860,70 unequal: No Solution No 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: 70:[68, 47], Operations: ['69-25=44', '3+44=47'] Exploring Operation: 68-47=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 68+47=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 68*47=3196, Resulting Numbers: [3196] 3196,70 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
[ 28, 25, 55, 80 ]
27
[ "25+55=80", "80/80=1", "28-1=27" ]
Current State: 27:[28, 25, 55, 80], Operations: [] Exploring Operation: 25+55=80, Resulting Numbers: [28, 80, 80] Generated Node #2: [28, 80, 80] from Operation: 25+55=80 Current State: 27:[28, 80, 80], Operations: ['25+55=80'] Exploring Operation: 80/80=1, Resulting Numbers: [28, 1] Generated Node #3: [28, 1] from Operation: 80/80=1 Current State: 27:[28, 1], Operations: ['25+55=80', '80/80=1'] Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[28, 25, 55, 80], Operations: [] Exploring Operation: 80-55=25, Resulting Numbers: [28, 25, 25] Generated Node #0,0: 27:[28, 25, 25] Operation: 80-55=25 Moving to Node #0,0 Current State: 27:[28, 25, 25], Operations: ['80-55=25'] Exploring Operation: 28-25=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 27:[25, 3] Operation: 28-25=3 Moving to Node #0,0,0 Current State: 27:[25, 3], Operations: ['80-55=25', '28-25=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,27 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 94, 56, 38, 19 ]
75
[ "94+56=150", "38/19=2", "150/2=75" ]
Current State: 75:[94, 56, 38, 19], Operations: [] Exploring Operation: 94+56=150, Resulting Numbers: [38, 19, 150] Generated Node #2: [38, 19, 150] from Operation: 94+56=150 Current State: 75:[38, 19, 150], Operations: ['94+56=150'] Exploring Operation: 38/19=2, Resulting Numbers: [150, 2] Generated Node #3: [150, 2] from Operation: 38/19=2 Current State: 75:[150, 2], Operations: ['94+56=150', '38/19=2'] Exploring Operation: 150/2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[94, 56, 38, 19], Operations: [] Exploring Operation: 56-38=18, Resulting Numbers: [94, 19, 18] Generated Node #0,0: 75:[94, 19, 18] Operation: 56-38=18 Exploring Operation: 94-19=75, Resulting Numbers: [56, 38, 75] Generated Node #0,1: 75:[56, 38, 75] Operation: 94-19=75 Exploring Operation: 94-56=38, Resulting Numbers: [38, 19, 38] Generated Node #0,2: 75:[38, 19, 38] Operation: 94-56=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[94, 19, 18], Operations: ['56-38=18'] Exploring Operation: 94-19=75, Resulting Numbers: [18, 75] Generated Node #0,0,0: 75:[18, 75] Operation: 94-19=75 Exploring Operation: 94-18=76, Resulting Numbers: [19, 76] Generated Node #0,0,1: 75:[19, 76] Operation: 94-18=76 Exploring Operation: 19-18=1, Resulting Numbers: [94, 1] Generated Node #0,0,2: 75:[94, 1] Operation: 19-18=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[18, 75], Operations: ['56-38=18', '94-19=75'] Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,75 unequal: No Solution Exploring Operation: 18*75=1350, Resulting Numbers: [1350] 1350,75 unequal: No Solution Exploring Operation: 18+75=93, Resulting Numbers: [93] 93,75 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:[19, 76], Operations: ['56-38=18', '94-18=76'] Exploring Operation: 19+76=95, Resulting Numbers: [95] 95,75 unequal: No Solution Exploring Operation: 76-19=57, Resulting Numbers: [57] 57,75 unequal: No Solution Exploring Operation: 76/19=4, Resulting Numbers: [4] 4,75 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:[94, 1], Operations: ['56-38=18', '19-18=1'] Exploring Operation: 94/1=94, Resulting Numbers: [94] 94,75 unequal: No Solution Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,75 unequal: No Solution Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,75 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:[38, 19, 38], Operations: ['94-56=38'] Exploring Operation: 38-38=0, Resulting Numbers: [19, 0] Generated Node #0,2,0: 75:[19, 0] Operation: 38-38=0 Exploring Operation: 38+38=76, Resulting Numbers: [19, 76] Generated Node #0,2,1: 75:[19, 76] Operation: 38+38=76 Exploring Operation: 38/38=1, Resulting Numbers: [19, 1] Generated Node #0,2,2: 75:[19, 1] Operation: 38/38=1 Moving to Node #0,2,1 Current State: 75:[19, 76], Operations: ['94-56=38', '38+38=76'] Exploring Operation: 19+76=95, Resulting Numbers: [95] 95,75 unequal: No Solution Exploring Operation: 76/19=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 76-19=57, Resulting Numbers: [57] 57,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[19, 1], Operations: ['94-56=38', '38/38=1'] Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[19, 0], Operations: ['94-56=38', '38-38=0'] Exploring Operation: 19*0=0, Resulting Numbers: [0] 0,75 unequal: No Solution Exploring Operation: 19-0=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 19+0=19, Resulting Numbers: [19] 19,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[56, 38, 75], Operations: ['94-19=75'] Exploring Operation: 56-38=18, Resulting Numbers: [75, 18] Generated Node #0,1,0: 75:[75, 18] Operation: 56-38=18 Exploring Operation: 75-56=19, Resulting Numbers: [38, 19] Generated Node #0,1,1: 75:[38, 19] Operation: 75-56=19 Exploring Operation: 56+38=94, Resulting Numbers: [75, 94] Generated Node #0,1,2: 75:[75, 94] Operation: 56+38=94 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[75, 18], Operations: ['94-19=75', '56-38=18'] Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,75 unequal: No Solution Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,75 unequal: No Solution Exploring Operation: 75*18=1350, Resulting Numbers: [1350] 1350,75 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:[38, 19], Operations: ['94-19=75', '75-56=19'] Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 38+19=57, Resulting Numbers: [57] 57,75 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,75 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:[75, 94], Operations: ['94-19=75', '56+38=94'] Exploring Operation: 75*94=7050, Resulting Numbers: [7050] 7050,75 unequal: No Solution Exploring Operation: 94-75=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 75+94=169, Resulting Numbers: [169] 169,75 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_3
sum_heuristic
[ 92, 61, 84, 81 ]
77
[ "84-61=23", "92/23=4", "81-4=77" ]
Current State: 77:[92, 61, 84, 81], Operations: [] Exploring Operation: 84-61=23, Resulting Numbers: [92, 81, 23] Generated Node #2: [92, 81, 23] from Operation: 84-61=23 Current State: 77:[92, 81, 23], Operations: ['84-61=23'] Exploring Operation: 92/23=4, Resulting Numbers: [81, 4] Generated Node #3: [81, 4] from Operation: 92/23=4 Current State: 77:[81, 4], Operations: ['84-61=23', '92/23=4'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[92, 61, 84, 81], Operations: [] Exploring Operation: 92-61=31, Resulting Numbers: [84, 81, 31] Generated Node #0,0: 77:[84, 81, 31] Operation: 92-61=31 Exploring Operation: 92-81=11, Resulting Numbers: [61, 84, 11] Generated Node #0,1: 77:[61, 84, 11] Operation: 92-81=11 Exploring Operation: 81-61=20, Resulting Numbers: [92, 84, 20] Generated Node #0,2: 77:[92, 84, 20] Operation: 81-61=20 Exploring Operation: 92-84=8, Resulting Numbers: [61, 81, 8] Generated Node #0,3: 77:[61, 81, 8] Operation: 92-84=8 Exploring Operation: 84-61=23, Resulting Numbers: [92, 81, 23] Generated Node #0,4: 77:[92, 81, 23] Operation: 84-61=23 Moving to Node #0,3 Current State: 77:[61, 81, 8], Operations: ['92-84=8'] Exploring Operation: 81+8=89, Resulting Numbers: [61, 89] Generated Node #0,3,0: 77:[61, 89] Operation: 81+8=89 Exploring Operation: 61+8=69, Resulting Numbers: [81, 69] Generated Node #0,3,1: 77:[81, 69] Operation: 61+8=69 Exploring Operation: 61-8=53, Resulting Numbers: [81, 53] Generated Node #0,3,2: 77:[81, 53] Operation: 61-8=53 Exploring Operation: 81-61=20, Resulting Numbers: [8, 20] Generated Node #0,3,3: 77:[8, 20] Operation: 81-61=20 Exploring Operation: 81-8=73, Resulting Numbers: [61, 73] Generated Node #0,3,4: 77:[61, 73] Operation: 81-8=73 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 77:[8, 20], Operations: ['92-84=8', '81-61=20'] Exploring Operation: 8*20=160, Resulting Numbers: [160] 160,77 unequal: No Solution Exploring Operation: 8+20=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 77:[81, 69], Operations: ['92-84=8', '61+8=69'] Exploring Operation: 81-69=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 81*69=5589, Resulting Numbers: [5589] 5589,77 unequal: No Solution Exploring Operation: 81+69=150, Resulting Numbers: [150] 150,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 77:[61, 73], Operations: ['92-84=8', '81-8=73'] Exploring Operation: 61*73=4453, Resulting Numbers: [4453] 4453,77 unequal: No Solution Exploring Operation: 61+73=134, Resulting Numbers: [134] 134,77 unequal: No Solution Exploring Operation: 73-61=12, Resulting Numbers: [12] 12,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 77:[61, 89], Operations: ['92-84=8', '81+8=89'] Exploring Operation: 61*89=5429, Resulting Numbers: [5429] 5429,77 unequal: No Solution Exploring Operation: 89-61=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 61+89=150, Resulting Numbers: [150] 150,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 77:[81, 53], Operations: ['92-84=8', '61-8=53'] Exploring Operation: 81+53=134, Resulting Numbers: [134] 134,77 unequal: No Solution Exploring Operation: 81-53=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 81*53=4293, Resulting Numbers: [4293] 4293,77 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: 77:[61, 84, 11], Operations: ['92-81=11'] Exploring Operation: 84+11=95, Resulting Numbers: [61, 95] Generated Node #0,1,0: 77:[61, 95] Operation: 84+11=95 Exploring Operation: 84-61=23, Resulting Numbers: [11, 23] Generated Node #0,1,1: 77:[11, 23] Operation: 84-61=23 Exploring Operation: 61-11=50, Resulting Numbers: [84, 50] Generated Node #0,1,2: 77:[84, 50] Operation: 61-11=50 Exploring Operation: 84-11=73, Resulting Numbers: [61, 73] Generated Node #0,1,3: 77:[61, 73] Operation: 84-11=73 Exploring Operation: 61+11=72, Resulting Numbers: [84, 72] Generated Node #0,1,4: 77:[84, 72] Operation: 61+11=72 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[11, 23], Operations: ['92-81=11', '84-61=23'] Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 11*23=253, Resulting Numbers: [253] 253,77 unequal: No Solution Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 77:[84, 72], Operations: ['92-81=11', '61+11=72'] Exploring Operation: 84*72=6048, Resulting Numbers: [6048] 6048,77 unequal: No Solution Exploring Operation: 84+72=156, Resulting Numbers: [156] 156,77 unequal: No Solution Exploring Operation: 84-72=12, Resulting Numbers: [12] 12,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 77:[61, 73], Operations: ['92-81=11', '84-11=73'] Exploring Operation: 61+73=134, Resulting Numbers: [134] 134,77 unequal: No Solution Exploring Operation: 61*73=4453, Resulting Numbers: [4453] 4453,77 unequal: No Solution Exploring Operation: 73-61=12, Resulting Numbers: [12] 12,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[61, 95], Operations: ['92-81=11', '84+11=95'] Exploring Operation: 61*95=5795, Resulting Numbers: [5795] 5795,77 unequal: No Solution Exploring Operation: 61+95=156, Resulting Numbers: [156] 156,77 unequal: No Solution Exploring Operation: 95-61=34, Resulting Numbers: [34] 34,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 77:[84, 50], Operations: ['92-81=11', '61-11=50'] Exploring Operation: 84*50=4200, Resulting Numbers: [4200] 4200,77 unequal: No Solution Exploring Operation: 84+50=134, Resulting Numbers: [134] 134,77 unequal: No Solution Exploring Operation: 84-50=34, Resulting Numbers: [34] 34,77 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: 77:[84, 81, 31], Operations: ['92-61=31'] Exploring Operation: 84-81=3, Resulting Numbers: [31, 3] Generated Node #0,0,0: 77:[31, 3] Operation: 84-81=3 Exploring Operation: 84+31=115, Resulting Numbers: [81, 115] Generated Node #0,0,1: 77:[81, 115] Operation: 84+31=115 Exploring Operation: 81+31=112, Resulting Numbers: [84, 112] Generated Node #0,0,2: 77:[84, 112] Operation: 81+31=112 Exploring Operation: 84-31=53, Resulting Numbers: [81, 53] Generated Node #0,0,3: 77:[81, 53] Operation: 84-31=53 Exploring Operation: 81-31=50, Resulting Numbers: [84, 50] Generated Node #0,0,4: 77:[84, 50] Operation: 81-31=50 Moving to Node #0,2 Current State: 77:[92, 84, 20], Operations: ['81-61=20'] Exploring Operation: 92-84=8, Resulting Numbers: [20, 8] Generated Node #0,2,0: 77:[20, 8] Operation: 92-84=8 Exploring Operation: 84+20=104, Resulting Numbers: [92, 104] Generated Node #0,2,1: 77:[92, 104] Operation: 84+20=104 Exploring Operation: 92+20=112, Resulting Numbers: [84, 112] Generated Node #0,2,2: 77:[84, 112] Operation: 92+20=112 Exploring Operation: 84-20=64, Resulting Numbers: [92, 64] Generated Node #0,2,3: 77:[92, 64] Operation: 84-20=64 Exploring Operation: 92-20=72, Resulting Numbers: [84, 72] Generated Node #0,2,4: 77:[84, 72] Operation: 92-20=72 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 77:[20, 8], Operations: ['81-61=20', '92-84=8'] Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,77 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 77:[84, 72], Operations: ['81-61=20', '92-20=72'] Exploring Operation: 84*72=6048, Resulting Numbers: [6048] 6048,77 unequal: No Solution Exploring Operation: 84+72=156, Resulting Numbers: [156] 156,77 unequal: No Solution Exploring Operation: 84-72=12, Resulting Numbers: [12] 12,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 77:[92, 64], Operations: ['81-61=20', '84-20=64'] Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 92+64=156, Resulting Numbers: [156] 156,77 unequal: No Solution Exploring Operation: 92*64=5888, Resulting Numbers: [5888] 5888,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 77:[92, 104], Operations: ['81-61=20', '84+20=104'] Exploring Operation: 92+104=196, Resulting Numbers: [196] 196,77 unequal: No Solution Exploring Operation: 104-92=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 92*104=9568, Resulting Numbers: [9568] 9568,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 77:[84, 112], Operations: ['81-61=20', '92+20=112'] Exploring Operation: 84+112=196, Resulting Numbers: [196] 196,77 unequal: No Solution Exploring Operation: 84*112=9408, Resulting Numbers: [9408] 9408,77 unequal: No Solution Exploring Operation: 112-84=28, Resulting Numbers: [28] 28,77 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: 77:[92, 81, 23], Operations: ['84-61=23'] Exploring Operation: 92+23=115, Resulting Numbers: [81, 115] Generated Node #0,4,0: 77:[81, 115] Operation: 92+23=115 Exploring Operation: 92/23=4, Resulting Numbers: [81, 4] Generated Node #0,4,1: 77:[81, 4] Operation: 92/23=4 Exploring Operation: 81-23=58, Resulting Numbers: [92, 58] Generated Node #0,4,2: 77:[92, 58] Operation: 81-23=58 Exploring Operation: 92-81=11, Resulting Numbers: [23, 11] Generated Node #0,4,3: 77:[23, 11] Operation: 92-81=11 Exploring Operation: 92-23=69, Resulting Numbers: [81, 69] Generated Node #0,4,4: 77:[81, 69] Operation: 92-23=69 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 77:[81, 4], Operations: ['84-61=23', '92/23=4'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[92, 61, 84, 81], Operations: [] Exploring Operation: 84-61=23, Resulting Numbers: [92, 81, 23] Generated Node #0,4: 77:[92, 81, 23] Operation: 84-61=23 Moving to Node #0,4 Current State: 77:[92, 81, 23], Operations: ['84-61=23'] Exploring Operation: 92/23=4, Resulting Numbers: [81, 4] Generated Node #0,4,1: 77:[81, 4] Operation: 92/23=4 Moving to Node #0,4,1 Current State: 77:[81, 4], Operations: ['84-61=23', '92/23=4'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.930556
hs_5
mult_heuristic
[ 16, 57, 41, 62 ]
30
[ "16+57=73", "41+62=103", "103-73=30" ]
Current State: 30:[16, 57, 41, 62], Operations: [] Exploring Operation: 16+57=73, Resulting Numbers: [41, 62, 73] Generated Node #2: [41, 62, 73] from Operation: 16+57=73 Current State: 30:[41, 62, 73], Operations: ['16+57=73'] Exploring Operation: 41+62=103, Resulting Numbers: [73, 103] Generated Node #3: [73, 103] from Operation: 41+62=103 Current State: 30:[73, 103], Operations: ['16+57=73', '41+62=103'] Exploring Operation: 103-73=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[16, 57, 41, 62], Operations: [] Exploring Operation: 57-41=16, Resulting Numbers: [16, 62, 16] Generated Node #0,0: 30:[16, 62, 16] Operation: 57-41=16 Exploring Operation: 62-57=5, Resulting Numbers: [16, 41, 5] Generated Node #0,1: 30:[16, 41, 5] Operation: 62-57=5 Moving to Node #0,1 Current State: 30:[16, 41, 5], Operations: ['62-57=5'] Exploring Operation: 41-5=36, Resulting Numbers: [16, 36] Generated Node #0,1,0: 30:[16, 36] Operation: 41-5=36 Exploring Operation: 41-16=25, Resulting Numbers: [5, 25] Generated Node #0,1,1: 30:[5, 25] Operation: 41-16=25 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 30:[5, 25], Operations: ['62-57=5', '41-16=25'] Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,30 unequal: No Solution Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[16, 57, 41, 62], Operations: [] Exploring Operation: 62-57=5, Resulting Numbers: [16, 41, 5] Generated Node #0,1: 30:[16, 41, 5] Operation: 62-57=5 Moving to Node #0,1 Current State: 30:[16, 41, 5], Operations: ['62-57=5'] Exploring Operation: 41-16=25, Resulting Numbers: [5, 25] Generated Node #0,1,1: 30:[5, 25] Operation: 41-16=25 Moving to Node #0,1,1 Current State: 30:[5, 25], Operations: ['62-57=5', '41-16=25'] Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 31, 91, 58, 50 ]
79
[ "31*91=2821", "58*50=2900", "2900-2821=79" ]
Current State: 79:[31, 91, 58, 50], Operations: [] Exploring Operation: 31*91=2821, Resulting Numbers: [58, 50, 2821] Generated Node #2: [58, 50, 2821] from Operation: 31*91=2821 Current State: 79:[58, 50, 2821], Operations: ['31*91=2821'] Exploring Operation: 58*50=2900, Resulting Numbers: [2821, 2900] Generated Node #3: [2821, 2900] from Operation: 58*50=2900 Current State: 79:[2821, 2900], Operations: ['31*91=2821', '58*50=2900'] Exploring Operation: 2900-2821=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[31, 91, 58, 50], Operations: [] Exploring Operation: 31+50=81, Resulting Numbers: [91, 58, 81] Generated Node #0,0: 79:[91, 58, 81] Operation: 31+50=81 Exploring Operation: 31+58=89, Resulting Numbers: [91, 50, 89] Generated Node #0,1: 79:[91, 50, 89] Operation: 31+58=89 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[91, 58, 81], Operations: ['31+50=81'] Exploring Operation: 91-58=33, Resulting Numbers: [81, 33] Generated Node #0,0,0: 79:[81, 33] Operation: 91-58=33 Exploring Operation: 81-58=23, Resulting Numbers: [91, 23] Generated Node #0,0,1: 79:[91, 23] Operation: 81-58=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[81, 33], Operations: ['31+50=81', '91-58=33'] Exploring Operation: 81+33=114, Resulting Numbers: [114] 114,79 unequal: No Solution Exploring Operation: 81-33=48, Resulting Numbers: [48] 48,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[91, 23], Operations: ['31+50=81', '81-58=23'] Exploring Operation: 91-23=68, Resulting Numbers: [68] 68,79 unequal: No Solution Exploring Operation: 91+23=114, Resulting Numbers: [114] 114,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[91, 50, 89], Operations: ['31+58=89'] Exploring Operation: 89-50=39, Resulting Numbers: [91, 39] Generated Node #0,1,0: 79:[91, 39] Operation: 89-50=39 Exploring Operation: 91-50=41, Resulting Numbers: [89, 41] Generated Node #0,1,1: 79:[89, 41] Operation: 91-50=41 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 79:[89, 41], Operations: ['31+58=89', '91-50=41'] Exploring Operation: 89-41=48, Resulting Numbers: [48] 48,79 unequal: No Solution Exploring Operation: 89+41=130, Resulting Numbers: [130] 130,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[91, 39], Operations: ['31+58=89', '89-50=39'] Exploring Operation: 91+39=130, Resulting Numbers: [130] 130,79 unequal: No Solution Exploring Operation: 91-39=52, Resulting Numbers: [52] 52,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 29, 84, 95, 16 ]
24
[ "84-29=55", "95-16=79", "79-55=24" ]
Current State: 24:[29, 84, 95, 16], Operations: [] Exploring Operation: 84-29=55, Resulting Numbers: [95, 16, 55] Generated Node #2: [95, 16, 55] from Operation: 84-29=55 Current State: 24:[95, 16, 55], Operations: ['84-29=55'] Exploring Operation: 95-16=79, Resulting Numbers: [55, 79] Generated Node #3: [55, 79] from Operation: 95-16=79 Current State: 24:[55, 79], Operations: ['84-29=55', '95-16=79'] Exploring Operation: 79-55=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[29, 84, 95, 16], Operations: [] Exploring Operation: 84-16=68, Resulting Numbers: [29, 95, 68] Generated Node #0,0: 24:[29, 95, 68] Operation: 84-16=68 Exploring Operation: 95-84=11, Resulting Numbers: [29, 16, 11] Generated Node #0,1: 24:[29, 16, 11] Operation: 95-84=11 Exploring Operation: 84-29=55, Resulting Numbers: [95, 16, 55] Generated Node #0,2: 24:[95, 16, 55] Operation: 84-29=55 Exploring Operation: 95-29=66, Resulting Numbers: [84, 16, 66] Generated Node #0,3: 24:[84, 16, 66] Operation: 95-29=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[29, 16, 11], Operations: ['95-84=11'] Exploring Operation: 29-16=13, Resulting Numbers: [11, 13] Generated Node #0,1,0: 24:[11, 13] Operation: 29-16=13 Exploring Operation: 29-11=18, Resulting Numbers: [16, 18] Generated Node #0,1,1: 24:[16, 18] Operation: 29-11=18 Exploring Operation: 16-11=5, Resulting Numbers: [29, 5] Generated Node #0,1,2: 24:[29, 5] Operation: 16-11=5 Exploring Operation: 16+11=27, Resulting Numbers: [29, 27] Generated Node #0,1,3: 24:[29, 27] Operation: 16+11=27 Moving to Node #0,1,0 Current State: 24:[11, 13], Operations: ['95-84=11', '29-16=13'] Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,24 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[29, 84, 95, 16], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [29, 16, 11] Generated Node #0,1: 24:[29, 16, 11] Operation: 95-84=11 Moving to Node #0,1 Current State: 24:[29, 16, 11], Operations: ['95-84=11'] Exploring Operation: 29-16=13, Resulting Numbers: [11, 13] Generated Node #0,1,0: 24:[11, 13] Operation: 29-16=13 Moving to Node #0,1,0 Current State: 24:[11, 13], Operations: ['95-84=11', '29-16=13'] Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 31, 11, 1, 37 ]
56
[ "31-11=20", "37-1=36", "20+36=56" ]
Current State: 56:[31, 11, 1, 37], Operations: [] Exploring Operation: 31-11=20, Resulting Numbers: [1, 37, 20] Generated Node #2: [1, 37, 20] from Operation: 31-11=20 Current State: 56:[1, 37, 20], Operations: ['31-11=20'] Exploring Operation: 37-1=36, Resulting Numbers: [20, 36] Generated Node #3: [20, 36] from Operation: 37-1=36 Current State: 56:[20, 36], Operations: ['31-11=20', '37-1=36'] Exploring Operation: 20+36=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[31, 11, 1, 37], Operations: [] Exploring Operation: 37-31=6, Resulting Numbers: [11, 1, 6] Generated Node #0,0: 56:[11, 1, 6] Operation: 37-31=6 Moving to Node #0,0 Current State: 56:[11, 1, 6], Operations: ['37-31=6'] Exploring Operation: 11-6=5, Resulting Numbers: [1, 5] Generated Node #0,0,0: 56:[1, 5] Operation: 11-6=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[1, 5], Operations: ['37-31=6', '11-6=5'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,56 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
[ 28, 7, 33, 14 ]
80
[ "28/14=2", "7+33=40", "2*40=80" ]
Current State: 80:[28, 7, 33, 14], Operations: [] Exploring Operation: 28/14=2, Resulting Numbers: [7, 33, 2] Generated Node #2: [7, 33, 2] from Operation: 28/14=2 Current State: 80:[7, 33, 2], Operations: ['28/14=2'] Exploring Operation: 7+33=40, Resulting Numbers: [2, 40] Generated Node #3: [2, 40] from Operation: 7+33=40 Current State: 80:[2, 40], Operations: ['28/14=2', '7+33=40'] Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[28, 7, 33, 14], Operations: [] Exploring Operation: 33-28=5, Resulting Numbers: [7, 14, 5] Generated Node #0,0: 80:[7, 14, 5] Operation: 33-28=5 Moving to Node #0,0 Current State: 80:[7, 14, 5], Operations: ['33-28=5'] Exploring Operation: 14/7=2, Resulting Numbers: [5, 2] Generated Node #0,0,0: 80:[5, 2] Operation: 14/7=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[5, 2], Operations: ['33-28=5', '14/7=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,80 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
[ 65, 46, 51, 85 ]
25
[ "65+46=111", "51+85=136", "136-111=25" ]
Current State: 25:[65, 46, 51, 85], Operations: [] Exploring Operation: 65+46=111, Resulting Numbers: [51, 85, 111] Generated Node #2: [51, 85, 111] from Operation: 65+46=111 Current State: 25:[51, 85, 111], Operations: ['65+46=111'] Exploring Operation: 51+85=136, Resulting Numbers: [111, 136] Generated Node #3: [111, 136] from Operation: 51+85=136 Current State: 25:[111, 136], Operations: ['65+46=111', '51+85=136'] Exploring Operation: 136-111=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[65, 46, 51, 85], Operations: [] Exploring Operation: 65-51=14, Resulting Numbers: [46, 85, 14] Generated Node #0,0: 25:[46, 85, 14] Operation: 65-51=14 Exploring Operation: 65-46=19, Resulting Numbers: [51, 85, 19] Generated Node #0,1: 25:[51, 85, 19] Operation: 65-46=19 Exploring Operation: 85-51=34, Resulting Numbers: [65, 46, 34] Generated Node #0,2: 25:[65, 46, 34] Operation: 85-51=34 Exploring Operation: 85-65=20, Resulting Numbers: [46, 51, 20] Generated Node #0,3: 25:[46, 51, 20] Operation: 85-65=20 Exploring Operation: 85-46=39, Resulting Numbers: [65, 51, 39] Generated Node #0,4: 25:[65, 51, 39] Operation: 85-46=39 Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[46, 51, 20], Operations: ['85-65=20'] Exploring Operation: 51+20=71, Resulting Numbers: [46, 71] Generated Node #0,3,0: 25:[46, 71] Operation: 51+20=71 Exploring Operation: 51-46=5, Resulting Numbers: [20, 5] Generated Node #0,3,1: 25:[20, 5] Operation: 51-46=5 Exploring Operation: 46-20=26, Resulting Numbers: [51, 26] Generated Node #0,3,2: 25:[51, 26] Operation: 46-20=26 Exploring Operation: 51-20=31, Resulting Numbers: [46, 31] Generated Node #0,3,3: 25:[46, 31] Operation: 51-20=31 Exploring Operation: 46+20=66, Resulting Numbers: [51, 66] Generated Node #0,3,4: 25:[51, 66] Operation: 46+20=66 Moving to Node #0,3,1 Current State: 25:[20, 5], Operations: ['85-65=20', '51-46=5'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,25 unequal: No Solution Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[65, 46, 51, 85], Operations: [] Exploring Operation: 85-65=20, Resulting Numbers: [46, 51, 20] Generated Node #0,3: 25:[46, 51, 20] Operation: 85-65=20 Moving to Node #0,3 Current State: 25:[46, 51, 20], Operations: ['85-65=20'] Exploring Operation: 51-46=5, Resulting Numbers: [20, 5] Generated Node #0,3,1: 25:[20, 5] Operation: 51-46=5 Moving to Node #0,3,1 Current State: 25:[20, 5], Operations: ['85-65=20', '51-46=5'] Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 83, 15, 17, 10 ]
44
[ "83-17=66", "10*66=660", "660/15=44" ]
Current State: 44:[83, 15, 17, 10], Operations: [] Exploring Operation: 83-17=66, Resulting Numbers: [15, 10, 66] Generated Node #2: [15, 10, 66] from Operation: 83-17=66 Current State: 44:[15, 10, 66], Operations: ['83-17=66'] Exploring Operation: 10*66=660, Resulting Numbers: [15, 660] Generated Node #3: [15, 660] from Operation: 10*66=660 Current State: 44:[15, 660], Operations: ['83-17=66', '10*66=660'] Exploring Operation: 660/15=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[83, 15, 17, 10], Operations: [] Exploring Operation: 17-15=2, Resulting Numbers: [83, 10, 2] Generated Node #0,0: 44:[83, 10, 2] Operation: 17-15=2 Exploring Operation: 83-15=68, Resulting Numbers: [17, 10, 68] Generated Node #0,1: 44:[17, 10, 68] Operation: 83-15=68 Exploring Operation: 83-10=73, Resulting Numbers: [15, 17, 73] Generated Node #0,2: 44:[15, 17, 73] Operation: 83-10=73 Exploring Operation: 83-17=66, Resulting Numbers: [15, 10, 66] Generated Node #0,3: 44:[15, 10, 66] Operation: 83-17=66 Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[15, 10, 66], Operations: ['83-17=66'] Exploring Operation: 15+10=25, Resulting Numbers: [66, 25] Generated Node #0,3,0: 44:[66, 25] Operation: 15+10=25 Exploring Operation: 66-10=56, Resulting Numbers: [15, 56] Generated Node #0,3,1: 44:[15, 56] Operation: 66-10=56 Exploring Operation: 15-10=5, Resulting Numbers: [66, 5] Generated Node #0,3,2: 44:[66, 5] Operation: 15-10=5 Exploring Operation: 66-15=51, Resulting Numbers: [10, 51] Generated Node #0,3,3: 44:[10, 51] Operation: 66-15=51 Moving to Node #0,3,3 Current State: 44:[10, 51], Operations: ['83-17=66', '66-15=51'] Exploring Operation: 10*51=510, Resulting Numbers: [510] 510,44 unequal: No Solution Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 10+51=61, Resulting Numbers: [61] 61,44 unequal: No Solution Moving to Node #0,3,1 Current State: 44:[15, 56], Operations: ['83-17=66', '66-10=56'] Exploring Operation: 15*56=840, Resulting Numbers: [840] 840,44 unequal: No Solution Exploring Operation: 15+56=71, Resulting Numbers: [71] 71,44 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,44 unequal: No Solution Moving to Node #0,3,2 Current State: 44:[66, 5], Operations: ['83-17=66', '15-10=5'] Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 66*5=330, Resulting Numbers: [330] 330,44 unequal: No Solution Exploring Operation: 66+5=71, Resulting Numbers: [71] 71,44 unequal: No Solution Moving to Node #0,3,0 Current State: 44:[66, 25], Operations: ['83-17=66', '15+10=25'] Exploring Operation: 66*25=1650, Resulting Numbers: [1650] 1650,44 unequal: No Solution Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 66+25=91, Resulting Numbers: [91] 91,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[17, 10, 68], Operations: ['83-15=68'] Exploring Operation: 68-17=51, Resulting Numbers: [10, 51] Generated Node #0,1,0: 44:[10, 51] Operation: 68-17=51 Exploring Operation: 17-10=7, Resulting Numbers: [68, 7] Generated Node #0,1,1: 44:[68, 7] Operation: 17-10=7 Exploring Operation: 68/17=4, Resulting Numbers: [10, 4] Generated Node #0,1,2: 44:[10, 4] Operation: 68/17=4 Exploring Operation: 68-10=58, Resulting Numbers: [17, 58] Generated Node #0,1,3: 44:[17, 58] Operation: 68-10=58 Moving to Node #0,1,2 Current State: 44:[10, 4], Operations: ['83-15=68', '68/17=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,44 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[10, 51], Operations: ['83-15=68', '68-17=51'] Exploring Operation: 10+51=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 10*51=510, Resulting Numbers: [510] 510,44 unequal: No Solution Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,44 unequal: No Solution Moving to Node #0,1,3 Current State: 44:[17, 58], Operations: ['83-15=68', '68-10=58'] Exploring Operation: 17+58=75, Resulting Numbers: [75] 75,44 unequal: No Solution Exploring Operation: 17*58=986, Resulting Numbers: [986] 986,44 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[68, 7], Operations: ['83-15=68', '17-10=7'] Exploring Operation: 68+7=75, Resulting Numbers: [75] 75,44 unequal: No Solution Exploring Operation: 68-7=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 68*7=476, Resulting Numbers: [476] 476,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[15, 17, 73], Operations: ['83-10=73'] Exploring Operation: 17-15=2, Resulting Numbers: [73, 2] Generated Node #0,2,0: 44:[73, 2] Operation: 17-15=2 Exploring Operation: 15+17=32, Resulting Numbers: [73, 32] Generated Node #0,2,1: 44:[73, 32] Operation: 15+17=32 Exploring Operation: 73-17=56, Resulting Numbers: [15, 56] Generated Node #0,2,2: 44:[15, 56] Operation: 73-17=56 Exploring Operation: 73-15=58, Resulting Numbers: [17, 58] Generated Node #0,2,3: 44:[17, 58] Operation: 73-15=58 Moving to Node #0,2,2 Current State: 44:[15, 56], Operations: ['83-10=73', '73-17=56'] Exploring Operation: 15+56=71, Resulting Numbers: [71] 71,44 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 15*56=840, Resulting Numbers: [840] 840,44 unequal: No Solution Moving to Node #0,2,3 Current State: 44:[17, 58], Operations: ['83-10=73', '73-15=58'] Exploring Operation: 17*58=986, Resulting Numbers: [986] 986,44 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 17+58=75, Resulting Numbers: [75] 75,44 unequal: No Solution Moving to Node #0,2,0 Current State: 44:[73, 2], Operations: ['83-10=73', '17-15=2'] Exploring Operation: 73*2=146, Resulting Numbers: [146] 146,44 unequal: No Solution Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,44 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[73, 32], Operations: ['83-10=73', '15+17=32'] Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 73*32=2336, Resulting Numbers: [2336] 2336,44 unequal: No Solution Exploring Operation: 73+32=105, Resulting Numbers: [105] 105,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[83, 10, 2], Operations: ['17-15=2'] Exploring Operation: 83-2=81, Resulting Numbers: [10, 81] Generated Node #0,0,0: 44:[10, 81] Operation: 83-2=81 Exploring Operation: 10/2=5, Resulting Numbers: [83, 5] Generated Node #0,0,1: 44:[83, 5] Operation: 10/2=5 Exploring Operation: 83-10=73, Resulting Numbers: [2, 73] Generated Node #0,0,2: 44:[2, 73] Operation: 83-10=73 Exploring Operation: 10+2=12, Resulting Numbers: [83, 12] Generated Node #0,0,3: 44:[83, 12] Operation: 10+2=12 Moving to Node #0,0,2 Current State: 44:[2, 73], Operations: ['17-15=2', '83-10=73'] Exploring Operation: 2*73=146, Resulting Numbers: [146] 146,44 unequal: No Solution Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,44 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[10, 81], Operations: ['17-15=2', '83-2=81'] Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,44 unequal: No Solution Exploring Operation: 10+81=91, Resulting Numbers: [91] 91,44 unequal: No Solution Exploring Operation: 10*81=810, Resulting Numbers: [810] 810,44 unequal: No Solution Moving to Node #0,0,3 Current State: 44:[83, 12], Operations: ['17-15=2', '10+2=12'] Exploring Operation: 83*12=996, Resulting Numbers: [996] 996,44 unequal: No Solution Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,44 unequal: No Solution Exploring Operation: 83+12=95, Resulting Numbers: [95] 95,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[83, 5], Operations: ['17-15=2', '10/2=5'] Exploring Operation: 83*5=415, Resulting Numbers: [415] 415,44 unequal: No Solution Exploring Operation: 83+5=88, Resulting Numbers: [88] 88,44 unequal: No Solution Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,44 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
[ 10, 51, 17, 80 ]
56
[ "51-10=41", "17+80=97", "97-41=56" ]
Current State: 56:[10, 51, 17, 80], Operations: [] Exploring Operation: 51-10=41, Resulting Numbers: [17, 80, 41] Generated Node #2: [17, 80, 41] from Operation: 51-10=41 Current State: 56:[17, 80, 41], Operations: ['51-10=41'] Exploring Operation: 17+80=97, Resulting Numbers: [41, 97] Generated Node #3: [41, 97] from Operation: 17+80=97 Current State: 56:[41, 97], Operations: ['51-10=41', '17+80=97'] Exploring Operation: 97-41=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[10, 51, 17, 80], Operations: [] Exploring Operation: 80-51=29, Resulting Numbers: [10, 17, 29] Generated Node #0,0: 56:[10, 17, 29] Operation: 80-51=29 Exploring Operation: 80/10=8, Resulting Numbers: [51, 17, 8] Generated Node #0,1: 56:[51, 17, 8] Operation: 80/10=8 Moving to Node #0,0 Current State: 56:[10, 17, 29], Operations: ['80-51=29'] Exploring Operation: 17-10=7, Resulting Numbers: [29, 7] Generated Node #0,0,0: 56:[29, 7] Operation: 17-10=7 Exploring Operation: 10+17=27, Resulting Numbers: [29, 27] Generated Node #0,0,1: 56:[29, 27] Operation: 10+17=27 Moving to Node #0,1 Current State: 56:[51, 17, 8], Operations: ['80/10=8'] Exploring Operation: 51-17=34, Resulting Numbers: [8, 34] Generated Node #0,1,0: 56:[8, 34] Operation: 51-17=34 Exploring Operation: 51/17=3, Resulting Numbers: [8, 3] Generated Node #0,1,1: 56:[8, 3] Operation: 51/17=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[8, 3], Operations: ['80/10=8', '51/17=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,56 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 #0,1,0 Current State: 56:[8, 34], Operations: ['80/10=8', '51-17=34'] Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,56 unequal: No Solution Exploring Operation: 8+34=42, Resulting Numbers: [42] 42,56 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: 56:[29, 7], Operations: ['80-51=29', '17-10=7'] Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[29, 27], Operations: ['80-51=29', '10+17=27'] Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[10, 51, 17, 80], Operations: [] Exploring Operation: 80-51=29, Resulting Numbers: [10, 17, 29] Generated Node #0,0: 56:[10, 17, 29] Operation: 80-51=29 Moving to Node #0,0 Current State: 56:[10, 17, 29], Operations: ['80-51=29'] Exploring Operation: 10+17=27, Resulting Numbers: [29, 27] Generated Node #0,0,1: 56:[29, 27] Operation: 10+17=27 Moving to Node #0,0,1 Current State: 56:[29, 27], Operations: ['80-51=29', '10+17=27'] Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
0.984375
hs_2
mult_heuristic
[ 27, 6, 30, 25 ]
33
[ "27-25=2", "6/2=3", "30+3=33" ]
Current State: 33:[27, 6, 30, 25], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [6, 30, 2] Generated Node #2: [6, 30, 2] from Operation: 27-25=2 Current State: 33:[6, 30, 2], Operations: ['27-25=2'] Exploring Operation: 6/2=3, Resulting Numbers: [30, 3] Generated Node #3: [30, 3] from Operation: 6/2=3 Current State: 33:[30, 3], Operations: ['27-25=2', '6/2=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[27, 6, 30, 25], Operations: [] Exploring Operation: 30-27=3, Resulting Numbers: [6, 25, 3] Generated Node #0,0: 33:[6, 25, 3] Operation: 30-27=3 Exploring Operation: 27-25=2, Resulting Numbers: [6, 30, 2] Generated Node #0,1: 33:[6, 30, 2] Operation: 27-25=2 Exploring Operation: 27+6=33, Resulting Numbers: [30, 25, 33] Generated Node #0,2: 33:[30, 25, 33] Operation: 27+6=33 Moving to Node #0,1 Current State: 33:[6, 30, 2], Operations: ['27-25=2'] Exploring Operation: 6/2=3, Resulting Numbers: [30, 3] Generated Node #0,1,0: 33:[30, 3] Operation: 6/2=3 Exploring Operation: 30/6=5, Resulting Numbers: [2, 5] Generated Node #0,1,1: 33:[2, 5] Operation: 30/6=5 Exploring Operation: 6+30=36, Resulting Numbers: [2, 36] Generated Node #0,1,2: 33:[2, 36] Operation: 6+30=36 Moving to Node #0,0 Current State: 33:[6, 25, 3], Operations: ['30-27=3'] Exploring Operation: 6+25=31, Resulting Numbers: [3, 31] Generated Node #0,0,0: 33:[3, 31] Operation: 6+25=31 Exploring Operation: 25-6=19, Resulting Numbers: [3, 19] Generated Node #0,0,1: 33:[3, 19] Operation: 25-6=19 Exploring Operation: 6-3=3, Resulting Numbers: [25, 3] Generated Node #0,0,2: 33:[25, 3] Operation: 6-3=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[3, 31], Operations: ['30-27=3', '6+25=31'] Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,33 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 33:[3, 19], Operations: ['30-27=3', '25-6=19'] Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,33 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 33:[25, 3], Operations: ['30-27=3', '6-3=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,33 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,33 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: 33:[30, 25, 33], Operations: ['27+6=33'] Exploring Operation: 33-30=3, Resulting Numbers: [25, 3] Generated Node #0,2,0: 33:[25, 3] Operation: 33-30=3 Exploring Operation: 33-25=8, Resulting Numbers: [30, 8] Generated Node #0,2,1: 33:[30, 8] Operation: 33-25=8 Exploring Operation: 30-25=5, Resulting Numbers: [33, 5] Generated Node #0,2,2: 33:[33, 5] Operation: 30-25=5 Moving to Node #0,2,2 Current State: 33:[33, 5], Operations: ['27+6=33', '30-25=5'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 33*5=165, Resulting Numbers: [165] 165,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[30, 3], Operations: ['27-25=2', '6/2=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[27, 6, 30, 25], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [6, 30, 2] Generated Node #0,1: 33:[6, 30, 2] Operation: 27-25=2 Moving to Node #0,1 Current State: 33:[6, 30, 2], Operations: ['27-25=2'] Exploring Operation: 6/2=3, Resulting Numbers: [30, 3] Generated Node #0,1,0: 33:[30, 3] Operation: 6/2=3 Moving to Node #0,1,0 Current State: 33:[30, 3], Operations: ['27-25=2', '6/2=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
0.974826
hs_3
sum_heuristic
[ 78, 62, 6, 67 ]
78
[ "62+6=68", "68-67=1", "78*1=78" ]
Current State: 78:[78, 62, 6, 67], Operations: [] Exploring Operation: 62+6=68, Resulting Numbers: [78, 67, 68] Generated Node #2: [78, 67, 68] from Operation: 62+6=68 Current State: 78:[78, 67, 68], Operations: ['62+6=68'] Exploring Operation: 68-67=1, Resulting Numbers: [78, 1] Generated Node #3: [78, 1] from Operation: 68-67=1 Current State: 78:[78, 1], Operations: ['62+6=68', '68-67=1'] Exploring Operation: 78*1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[78, 62, 6, 67], Operations: [] Exploring Operation: 67-62=5, Resulting Numbers: [78, 6, 5] Generated Node #0,0: 78:[78, 6, 5] Operation: 67-62=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[78, 6, 5], Operations: ['67-62=5'] Exploring Operation: 78/6=13, Resulting Numbers: [5, 13] Generated Node #0,0,0: 78:[5, 13] Operation: 78/6=13 Moving to Node #0,0,0 Current State: 78:[5, 13], Operations: ['67-62=5', '78/6=13'] Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 15, 72, 17, 76 ]
80
[ "17-15=2", "76*2=152", "152-72=80" ]
Current State: 80:[15, 72, 17, 76], Operations: [] Exploring Operation: 17-15=2, Resulting Numbers: [72, 76, 2] Generated Node #2: [72, 76, 2] from Operation: 17-15=2 Current State: 80:[72, 76, 2], Operations: ['17-15=2'] Exploring Operation: 76*2=152, Resulting Numbers: [72, 152] Generated Node #3: [72, 152] from Operation: 76*2=152 Current State: 80:[72, 152], Operations: ['17-15=2', '76*2=152'] Exploring Operation: 152-72=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[15, 72, 17, 76], Operations: [] Exploring Operation: 15+72=87, Resulting Numbers: [17, 76, 87] Generated Node #0,0: 80:[17, 76, 87] Operation: 15+72=87 Exploring Operation: 76-72=4, Resulting Numbers: [15, 17, 4] Generated Node #0,1: 80:[15, 17, 4] Operation: 76-72=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[15, 17, 4], Operations: ['76-72=4'] Exploring Operation: 17-15=2, Resulting Numbers: [4, 2] Generated Node #0,1,0: 80:[4, 2] Operation: 17-15=2 Exploring Operation: 15+4=19, Resulting Numbers: [17, 19] Generated Node #0,1,1: 80:[17, 19] Operation: 15+4=19 Moving to Node #0,1,0 Current State: 80:[4, 2], Operations: ['76-72=4', '17-15=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[17, 19], Operations: ['76-72=4', '15+4=19'] Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,80 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,80 unequal: No Solution No 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: 80:[17, 76, 87], Operations: ['15+72=87'] Exploring Operation: 87-76=11, Resulting Numbers: [17, 11] Generated Node #0,0,0: 80:[17, 11] Operation: 87-76=11 Exploring Operation: 87-17=70, Resulting Numbers: [76, 70] Generated Node #0,0,1: 80:[76, 70] Operation: 87-17=70 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[17, 11], Operations: ['15+72=87', '87-76=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,80 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,80 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 #0,0,1 Current State: 80:[76, 70], Operations: ['15+72=87', '87-17=70'] Exploring Operation: 76-70=6, Resulting Numbers: [6] 6,80 unequal: No Solution Exploring Operation: 76+70=146, Resulting Numbers: [146] 146,80 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
[ 10, 35, 26, 44 ]
95
[ "35-10=25", "26+44=70", "25+70=95" ]
Current State: 95:[10, 35, 26, 44], Operations: [] Exploring Operation: 35-10=25, Resulting Numbers: [26, 44, 25] Generated Node #2: [26, 44, 25] from Operation: 35-10=25 Current State: 95:[26, 44, 25], Operations: ['35-10=25'] Exploring Operation: 26+44=70, Resulting Numbers: [25, 70] Generated Node #3: [25, 70] from Operation: 26+44=70 Current State: 95:[25, 70], Operations: ['35-10=25', '26+44=70'] Exploring Operation: 25+70=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[10, 35, 26, 44], Operations: [] Exploring Operation: 35+44=79, Resulting Numbers: [10, 26, 79] Generated Node #0,0: 95:[10, 26, 79] Operation: 35+44=79 Exploring Operation: 35-10=25, Resulting Numbers: [26, 44, 25] Generated Node #0,1: 95:[26, 44, 25] Operation: 35-10=25 Exploring Operation: 35-26=9, Resulting Numbers: [10, 44, 9] Generated Node #0,2: 95:[10, 44, 9] Operation: 35-26=9 Exploring Operation: 44-26=18, Resulting Numbers: [10, 35, 18] Generated Node #0,3: 95:[10, 35, 18] Operation: 44-26=18 Exploring Operation: 44-35=9, Resulting Numbers: [10, 26, 9] Generated Node #0,4: 95:[10, 26, 9] Operation: 44-35=9 Moving to Node #0,4 Current State: 95:[10, 26, 9], Operations: ['44-35=9'] Exploring Operation: 10*9=90, Resulting Numbers: [26, 90] Generated Node #0,4,0: 95:[26, 90] Operation: 10*9=90 Exploring Operation: 26-9=17, Resulting Numbers: [10, 17] Generated Node #0,4,1: 95:[10, 17] Operation: 26-9=17 Exploring Operation: 10-9=1, Resulting Numbers: [26, 1] Generated Node #0,4,2: 95:[26, 1] Operation: 10-9=1 Exploring Operation: 10+9=19, Resulting Numbers: [26, 19] Generated Node #0,4,3: 95:[26, 19] Operation: 10+9=19 Exploring Operation: 26-10=16, Resulting Numbers: [9, 16] Generated Node #0,4,4: 95:[9, 16] Operation: 26-10=16 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 95:[10, 17], Operations: ['44-35=9', '26-9=17'] Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,95 unequal: No Solution Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,95 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 95:[26, 19], Operations: ['44-35=9', '10+9=19'] Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,95 unequal: No Solution Exploring Operation: 26*19=494, Resulting Numbers: [494] 494,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 95:[9, 16], Operations: ['44-35=9', '26-10=16'] Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,95 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 95:[26, 1], Operations: ['44-35=9', '10-9=1'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,95 unequal: No Solution Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,95 unequal: No Solution Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 95:[26, 90], Operations: ['44-35=9', '10*9=90'] Exploring Operation: 26+90=116, Resulting Numbers: [116] 116,95 unequal: No Solution Exploring Operation: 26*90=2340, Resulting Numbers: [2340] 2340,95 unequal: No Solution Exploring Operation: 90-26=64, Resulting Numbers: [64] 64,95 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: 95:[10, 35, 18], Operations: ['44-26=18'] Exploring Operation: 10+35=45, Resulting Numbers: [18, 45] Generated Node #0,3,0: 95:[18, 45] Operation: 10+35=45 Exploring Operation: 10+18=28, Resulting Numbers: [35, 28] Generated Node #0,3,1: 95:[35, 28] Operation: 10+18=28 Exploring Operation: 18-10=8, Resulting Numbers: [35, 8] Generated Node #0,3,2: 95:[35, 8] Operation: 18-10=8 Exploring Operation: 35-10=25, Resulting Numbers: [18, 25] Generated Node #0,3,3: 95:[18, 25] Operation: 35-10=25 Exploring Operation: 35-18=17, Resulting Numbers: [10, 17] Generated Node #0,3,4: 95:[10, 17] Operation: 35-18=17 Moving to Node #0,0 Current State: 95:[10, 26, 79], Operations: ['35+44=79'] Exploring Operation: 26-10=16, Resulting Numbers: [79, 16] Generated Node #0,0,0: 95:[79, 16] Operation: 26-10=16 Exploring Operation: 79-10=69, Resulting Numbers: [26, 69] Generated Node #0,0,1: 95:[26, 69] Operation: 79-10=69 Exploring Operation: 10+79=89, Resulting Numbers: [26, 89] Generated Node #0,0,2: 95:[26, 89] Operation: 10+79=89 Exploring Operation: 10+26=36, Resulting Numbers: [79, 36] Generated Node #0,0,3: 95:[79, 36] Operation: 10+26=36 Exploring Operation: 26+79=105, Resulting Numbers: [10, 105] Generated Node #0,0,4: 95:[10, 105] Operation: 26+79=105 Moving to Node #0,2 Current State: 95:[10, 44, 9], Operations: ['35-26=9'] Exploring Operation: 44-10=34, Resulting Numbers: [9, 34] Generated Node #0,2,0: 95:[9, 34] Operation: 44-10=34 Exploring Operation: 44-9=35, Resulting Numbers: [10, 35] Generated Node #0,2,1: 95:[10, 35] Operation: 44-9=35 Exploring Operation: 10*9=90, Resulting Numbers: [44, 90] Generated Node #0,2,2: 95:[44, 90] Operation: 10*9=90 Exploring Operation: 10-9=1, Resulting Numbers: [44, 1] Generated Node #0,2,3: 95:[44, 1] Operation: 10-9=1 Exploring Operation: 10+9=19, Resulting Numbers: [44, 19] Generated Node #0,2,4: 95:[44, 19] Operation: 10+9=19 Moving to Node #0,1 Current State: 95:[26, 44, 25], Operations: ['35-10=25'] Exploring Operation: 26-25=1, Resulting Numbers: [44, 1] Generated Node #0,1,0: 95:[44, 1] Operation: 26-25=1 Exploring Operation: 26+44=70, Resulting Numbers: [25, 70] Generated Node #0,1,1: 95:[25, 70] Operation: 26+44=70 Exploring Operation: 44-25=19, Resulting Numbers: [26, 19] Generated Node #0,1,2: 95:[26, 19] Operation: 44-25=19 Exploring Operation: 44-26=18, Resulting Numbers: [25, 18] Generated Node #0,1,3: 95:[25, 18] Operation: 44-26=18 Exploring Operation: 44+25=69, Resulting Numbers: [26, 69] Generated Node #0,1,4: 95:[26, 69] Operation: 44+25=69 Moving to Node #0,3,3 Current State: 95:[18, 25], Operations: ['44-26=18', '35-10=25'] Exploring Operation: 18+25=43, Resulting Numbers: [43] 43,95 unequal: No Solution Exploring Operation: 18*25=450, Resulting Numbers: [450] 450,95 unequal: No Solution Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,95 unequal: No Solution Moving to Node #0,3,4 Current State: 95:[10, 17], Operations: ['44-26=18', '35-18=17'] Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,95 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[26, 19], Operations: ['35-10=25', '44-25=19'] Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,95 unequal: No Solution Exploring Operation: 26*19=494, Resulting Numbers: [494] 494,95 unequal: No Solution Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,95 unequal: No Solution Moving to Node #0,1,3 Current State: 95:[25, 18], Operations: ['35-10=25', '44-26=18'] Exploring Operation: 25*18=450, Resulting Numbers: [450] 450,95 unequal: No Solution Exploring Operation: 25+18=43, Resulting Numbers: [43] 43,95 unequal: No Solution Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[26, 89], Operations: ['35+44=79', '10+79=89'] Exploring Operation: 26*89=2314, Resulting Numbers: [2314] 2314,95 unequal: No Solution Exploring Operation: 89-26=63, Resulting Numbers: [63] 63,95 unequal: No Solution Exploring Operation: 26+89=115, Resulting Numbers: [115] 115,95 unequal: No Solution Moving to Node #0,0,4 Current State: 95:[10, 105], Operations: ['35+44=79', '26+79=105'] Exploring Operation: 105-10=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[10, 35, 26, 44], Operations: [] Exploring Operation: 35+44=79, Resulting Numbers: [10, 26, 79] Generated Node #0,0: 95:[10, 26, 79] Operation: 35+44=79 Moving to Node #0,0 Current State: 95:[10, 26, 79], Operations: ['35+44=79'] Exploring Operation: 26+79=105, Resulting Numbers: [10, 105] Generated Node #0,0,4: 95:[10, 105] Operation: 26+79=105 Moving to Node #0,0,4 Current State: 95:[10, 105], Operations: ['35+44=79', '26+79=105'] Exploring Operation: 105-10=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
0.942708
hs_5
sum_heuristic
[ 83, 34, 6, 9 ]
19
[ "83+34=117", "117/9=13", "6+13=19" ]
Current State: 19:[83, 34, 6, 9], Operations: [] Exploring Operation: 83+34=117, Resulting Numbers: [6, 9, 117] Generated Node #2: [6, 9, 117] from Operation: 83+34=117 Current State: 19:[6, 9, 117], Operations: ['83+34=117'] Exploring Operation: 117/9=13, Resulting Numbers: [6, 13] Generated Node #3: [6, 13] from Operation: 117/9=13 Current State: 19:[6, 13], Operations: ['83+34=117', '117/9=13'] Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[83, 34, 6, 9], Operations: [] Exploring Operation: 83-34=49, Resulting Numbers: [6, 9, 49] Generated Node #0,0: 19:[6, 9, 49] Operation: 83-34=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[6, 9, 49], Operations: ['83-34=49'] Exploring Operation: 6+9=15, Resulting Numbers: [49, 15] Generated Node #0,0,0: 19:[49, 15] Operation: 6+9=15 Moving to Node #0,0,0 Current State: 19:[49, 15], Operations: ['83-34=49', '6+9=15'] Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 2, 19, 39, 37 ]
54
[ "2*37=74", "39-19=20", "74-20=54" ]
Current State: 54:[2, 19, 39, 37], Operations: [] Exploring Operation: 2*37=74, Resulting Numbers: [19, 39, 74] Generated Node #2: [19, 39, 74] from Operation: 2*37=74 Current State: 54:[19, 39, 74], Operations: ['2*37=74'] Exploring Operation: 39-19=20, Resulting Numbers: [74, 20] Generated Node #3: [74, 20] from Operation: 39-19=20 Current State: 54:[74, 20], Operations: ['2*37=74', '39-19=20'] Exploring Operation: 74-20=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[2, 19, 39, 37], Operations: [] Exploring Operation: 37-19=18, Resulting Numbers: [2, 39, 18] Generated Node #0,0: 54:[2, 39, 18] Operation: 37-19=18 Exploring Operation: 39-19=20, Resulting Numbers: [2, 37, 20] Generated Node #0,1: 54:[2, 37, 20] Operation: 39-19=20 Exploring Operation: 39-37=2, Resulting Numbers: [2, 19, 2] Generated Node #0,2: 54:[2, 19, 2] Operation: 39-37=2 Moving to Node #0,2 Current State: 54:[2, 19, 2], Operations: ['39-37=2'] Exploring Operation: 19-2=17, Resulting Numbers: [2, 17] Generated Node #0,2,0: 54:[2, 17] Operation: 19-2=17 Exploring Operation: 19-2=17, Resulting Numbers: [2, 17] Generated Node #0,2,1: 54:[2, 17] Operation: 19-2=17 Exploring Operation: 2+2=4, Resulting Numbers: [19, 4] Generated Node #0,2,2: 54:[19, 4] Operation: 2+2=4 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 54:[2, 17], Operations: ['39-37=2', '19-2=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,54 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 #0,2,1 Current State: 54:[2, 17], Operations: ['39-37=2', '19-2=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,54 unequal: No Solution Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,54 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:[19, 4], Operations: ['39-37=2', '2+2=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,54 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,54 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: 54:[2, 39, 18], Operations: ['37-19=18'] Exploring Operation: 39-18=21, Resulting Numbers: [2, 21] Generated Node #0,0,0: 54:[2, 21] Operation: 39-18=21 Exploring Operation: 39+18=57, Resulting Numbers: [2, 57] Generated Node #0,0,1: 54:[2, 57] Operation: 39+18=57 Exploring Operation: 39-2=37, Resulting Numbers: [18, 37] Generated Node #0,0,2: 54:[18, 37] Operation: 39-2=37 Moving to Node #0,1 Current State: 54:[2, 37, 20], Operations: ['39-19=20'] Exploring Operation: 37+20=57, Resulting Numbers: [2, 57] Generated Node #0,1,0: 54:[2, 57] Operation: 37+20=57 Exploring Operation: 37-2=35, Resulting Numbers: [20, 35] Generated Node #0,1,1: 54:[20, 35] Operation: 37-2=35 Exploring Operation: 37-20=17, Resulting Numbers: [2, 17] Generated Node #0,1,2: 54:[2, 17] Operation: 37-20=17 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 54:[2, 17], Operations: ['39-19=20', '37-20=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,54 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,54 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:[2, 57], Operations: ['39-19=20', '37+20=57'] Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,54 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,54 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 #0,1,1 Current State: 54:[20, 35], Operations: ['39-19=20', '37-2=35'] Exploring Operation: 20*35=700, Resulting Numbers: [700] 700,54 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 20+35=55, Resulting Numbers: [55] 55,54 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: 54:[2, 21], Operations: ['37-19=18', '39-18=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,54 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[2, 57], Operations: ['37-19=18', '39+18=57'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,54 unequal: No Solution Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[18, 37], Operations: ['37-19=18', '39-2=37'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 18+37=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 18*37=666, Resulting Numbers: [666] 666,54 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 94, 5, 48, 87 ]
60
[ "94+5=99", "87-48=39", "99-39=60" ]
Current State: 60:[94, 5, 48, 87], Operations: [] Exploring Operation: 94+5=99, Resulting Numbers: [48, 87, 99] Generated Node #2: [48, 87, 99] from Operation: 94+5=99 Current State: 60:[48, 87, 99], Operations: ['94+5=99'] Exploring Operation: 87-48=39, Resulting Numbers: [99, 39] Generated Node #3: [99, 39] from Operation: 87-48=39 Current State: 60:[99, 39], Operations: ['94+5=99', '87-48=39'] Exploring Operation: 99-39=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[94, 5, 48, 87], Operations: [] Exploring Operation: 94-87=7, Resulting Numbers: [5, 48, 7] Generated Node #0,0: 60:[5, 48, 7] Operation: 94-87=7 Exploring Operation: 94-48=46, Resulting Numbers: [5, 87, 46] Generated Node #0,1: 60:[5, 87, 46] Operation: 94-48=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[5, 48, 7], Operations: ['94-87=7'] Exploring Operation: 48+7=55, Resulting Numbers: [5, 55] Generated Node #0,0,0: 60:[5, 55] Operation: 48+7=55 Exploring Operation: 5+48=53, Resulting Numbers: [7, 53] Generated Node #0,0,1: 60:[7, 53] Operation: 5+48=53 Moving to Node #0,0,0 Current State: 60:[5, 55], Operations: ['94-87=7', '48+7=55'] Exploring Operation: 5+55=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[94, 5, 48, 87], Operations: [] Exploring Operation: 94-87=7, Resulting Numbers: [5, 48, 7] Generated Node #0,0: 60:[5, 48, 7] Operation: 94-87=7 Moving to Node #0,0 Current State: 60:[5, 48, 7], Operations: ['94-87=7'] Exploring Operation: 48+7=55, Resulting Numbers: [5, 55] Generated Node #0,0,0: 60:[5, 55] Operation: 48+7=55 Moving to Node #0,0,0 Current State: 60:[5, 55], Operations: ['94-87=7', '48+7=55'] Exploring Operation: 5+55=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 48, 10, 74, 2 ]
90
[ "48+10=58", "74*2=148", "148-58=90" ]
Current State: 90:[48, 10, 74, 2], Operations: [] Exploring Operation: 48+10=58, Resulting Numbers: [74, 2, 58] Generated Node #2: [74, 2, 58] from Operation: 48+10=58 Current State: 90:[74, 2, 58], Operations: ['48+10=58'] Exploring Operation: 74*2=148, Resulting Numbers: [58, 148] Generated Node #3: [58, 148] from Operation: 74*2=148 Current State: 90:[58, 148], Operations: ['48+10=58', '74*2=148'] Exploring Operation: 148-58=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[48, 10, 74, 2], Operations: [] Exploring Operation: 74-48=26, Resulting Numbers: [10, 2, 26] Generated Node #0,0: 90:[10, 2, 26] Operation: 74-48=26 Exploring Operation: 10+74=84, Resulting Numbers: [48, 2, 84] Generated Node #0,1: 90:[48, 2, 84] Operation: 10+74=84 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[10, 2, 26], Operations: ['74-48=26'] Exploring Operation: 26-10=16, Resulting Numbers: [2, 16] Generated Node #0,0,0: 90:[2, 16] Operation: 26-10=16 Exploring Operation: 2+26=28, Resulting Numbers: [10, 28] Generated Node #0,0,1: 90:[10, 28] Operation: 2+26=28 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[2, 16], Operations: ['74-48=26', '26-10=16'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,90 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[10, 28], Operations: ['74-48=26', '2+26=28'] Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,90 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[48, 2, 84], Operations: ['10+74=84'] Exploring Operation: 84/2=42, Resulting Numbers: [48, 42] Generated Node #0,1,0: 90:[48, 42] Operation: 84/2=42 Exploring Operation: 84-48=36, Resulting Numbers: [2, 36] Generated Node #0,1,1: 90:[2, 36] Operation: 84-48=36 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 90:[48, 42], Operations: ['10+74=84', '84/2=42'] Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 48+42=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[48, 10, 74, 2], Operations: [] Exploring Operation: 10+74=84, Resulting Numbers: [48, 2, 84] Generated Node #0,1: 90:[48, 2, 84] Operation: 10+74=84 Moving to Node #0,1 Current State: 90:[48, 2, 84], Operations: ['10+74=84'] Exploring Operation: 84/2=42, Resulting Numbers: [48, 42] Generated Node #0,1,0: 90:[48, 42] Operation: 84/2=42 Moving to Node #0,1,0 Current State: 90:[48, 42], Operations: ['10+74=84', '84/2=42'] Exploring Operation: 48+42=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 40, 20, 74, 72 ]
62
[ "40+20=60", "74-72=2", "60+2=62" ]
Current State: 62:[40, 20, 74, 72], Operations: [] Exploring Operation: 40+20=60, Resulting Numbers: [74, 72, 60] Generated Node #2: [74, 72, 60] from Operation: 40+20=60 Current State: 62:[74, 72, 60], Operations: ['40+20=60'] Exploring Operation: 74-72=2, Resulting Numbers: [60, 2] Generated Node #3: [60, 2] from Operation: 74-72=2 Current State: 62:[60, 2], Operations: ['40+20=60', '74-72=2'] Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[40, 20, 74, 72], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [74, 72, 2] Generated Node #0,0: 62:[74, 72, 2] Operation: 40/20=2 Exploring Operation: 74-72=2, Resulting Numbers: [40, 20, 2] Generated Node #0,1: 62:[40, 20, 2] Operation: 74-72=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[40, 20, 2], Operations: ['74-72=2'] Exploring Operation: 40+20=60, Resulting Numbers: [2, 60] Generated Node #0,1,0: 62:[2, 60] Operation: 40+20=60 Exploring Operation: 40/20=2, Resulting Numbers: [2, 2] Generated Node #0,1,1: 62:[2, 2] Operation: 40/20=2 Moving to Node #0,1,1 Current State: 62:[2, 2], Operations: ['74-72=2', '40/20=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[2, 60], Operations: ['74-72=2', '40+20=60'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,62 unequal: No Solution Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[40, 20, 74, 72], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [40, 20, 2] Generated Node #0,1: 62:[40, 20, 2] Operation: 74-72=2 Moving to Node #0,1 Current State: 62:[40, 20, 2], Operations: ['74-72=2'] Exploring Operation: 40+20=60, Resulting Numbers: [2, 60] Generated Node #0,1,0: 62:[2, 60] Operation: 40+20=60 Moving to Node #0,1,0 Current State: 62:[2, 60], Operations: ['74-72=2', '40+20=60'] Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 78, 29, 23, 37 ]
11
[ "78-29=49", "23+37=60", "60-49=11" ]
Current State: 11:[78, 29, 23, 37], Operations: [] Exploring Operation: 78-29=49, Resulting Numbers: [23, 37, 49] Generated Node #2: [23, 37, 49] from Operation: 78-29=49 Current State: 11:[23, 37, 49], Operations: ['78-29=49'] Exploring Operation: 23+37=60, Resulting Numbers: [49, 60] Generated Node #3: [49, 60] from Operation: 23+37=60 Current State: 11:[49, 60], Operations: ['78-29=49', '23+37=60'] Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[78, 29, 23, 37], Operations: [] Exploring Operation: 37-29=8, Resulting Numbers: [78, 23, 8] Generated Node #0,0: 11:[78, 23, 8] Operation: 37-29=8 Exploring Operation: 78-29=49, Resulting Numbers: [23, 37, 49] Generated Node #0,1: 11:[23, 37, 49] Operation: 78-29=49 Exploring Operation: 78-37=41, Resulting Numbers: [29, 23, 41] Generated Node #0,2: 11:[29, 23, 41] Operation: 78-37=41 Moving to Node #0,2 Current State: 11:[29, 23, 41], Operations: ['78-37=41'] Exploring Operation: 41-23=18, Resulting Numbers: [29, 18] Generated Node #0,2,0: 11:[29, 18] Operation: 41-23=18 Exploring Operation: 29-23=6, Resulting Numbers: [41, 6] Generated Node #0,2,1: 11:[41, 6] Operation: 29-23=6 Exploring Operation: 41-29=12, Resulting Numbers: [23, 12] Generated Node #0,2,2: 11:[23, 12] Operation: 41-29=12 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 11:[23, 12], Operations: ['78-37=41', '41-29=12'] Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,11 unequal: No Solution Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,11 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[78, 29, 23, 37], Operations: [] Exploring Operation: 78-37=41, Resulting Numbers: [29, 23, 41] Generated Node #0,2: 11:[29, 23, 41] Operation: 78-37=41 Moving to Node #0,2 Current State: 11:[29, 23, 41], Operations: ['78-37=41'] Exploring Operation: 41-29=12, Resulting Numbers: [23, 12] Generated Node #0,2,2: 11:[23, 12] Operation: 41-29=12 Moving to Node #0,2,2 Current State: 11:[23, 12], Operations: ['78-37=41', '41-29=12'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 41, 15, 46, 75 ]
10
[ "46-41=5", "75/15=5", "5+5=10" ]
Current State: 10:[41, 15, 46, 75], Operations: [] Exploring Operation: 46-41=5, Resulting Numbers: [15, 75, 5] Generated Node #2: [15, 75, 5] from Operation: 46-41=5 Current State: 10:[15, 75, 5], Operations: ['46-41=5'] Exploring Operation: 75/15=5, Resulting Numbers: [5, 5] Generated Node #3: [5, 5] from Operation: 75/15=5 Current State: 10:[5, 5], Operations: ['46-41=5', '75/15=5'] Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[41, 15, 46, 75], Operations: [] Exploring Operation: 75-46=29, Resulting Numbers: [41, 15, 29] Generated Node #0,0: 10:[41, 15, 29] Operation: 75-46=29 Exploring Operation: 75-41=34, Resulting Numbers: [15, 46, 34] Generated Node #0,1: 10:[15, 46, 34] Operation: 75-41=34 Moving to Node #0,0 Current State: 10:[41, 15, 29], Operations: ['75-46=29'] Exploring Operation: 41-15=26, Resulting Numbers: [29, 26] Generated Node #0,0,0: 10:[29, 26] Operation: 41-15=26 Exploring Operation: 41-29=12, Resulting Numbers: [15, 12] Generated Node #0,0,1: 10:[15, 12] Operation: 41-29=12 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 10:[15, 12], Operations: ['75-46=29', '41-29=12'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,10 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 #0,0,0 Current State: 10:[29, 26], Operations: ['75-46=29', '41-15=26'] Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 29+26=55, Resulting Numbers: [55] 55,10 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:[15, 46, 34], Operations: ['75-41=34'] Exploring Operation: 46-15=31, Resulting Numbers: [34, 31] Generated Node #0,1,0: 10:[34, 31] Operation: 46-15=31 Exploring Operation: 46-34=12, Resulting Numbers: [15, 12] Generated Node #0,1,1: 10:[15, 12] Operation: 46-34=12 Moving to Node #0,1,1 Current State: 10:[15, 12], Operations: ['75-41=34', '46-34=12'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[34, 31], Operations: ['75-41=34', '46-15=31'] Exploring Operation: 34+31=65, Resulting Numbers: [65] 65,10 unequal: No Solution Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,10 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 65, 63, 92, 35 ]
71
[ "65+63=128", "92-35=57", "128-57=71" ]
Current State: 71:[65, 63, 92, 35], Operations: [] Exploring Operation: 65+63=128, Resulting Numbers: [92, 35, 128] Generated Node #2: [92, 35, 128] from Operation: 65+63=128 Current State: 71:[92, 35, 128], Operations: ['65+63=128'] Exploring Operation: 92-35=57, Resulting Numbers: [128, 57] Generated Node #3: [128, 57] from Operation: 92-35=57 Current State: 71:[128, 57], Operations: ['65+63=128', '92-35=57'] Exploring Operation: 128-57=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[65, 63, 92, 35], Operations: [] Exploring Operation: 92-35=57, Resulting Numbers: [65, 63, 57] Generated Node #0,0: 71:[65, 63, 57] Operation: 92-35=57 Moving to Node #0,0 Current State: 71:[65, 63, 57], Operations: ['92-35=57'] Exploring Operation: 63+57=120, Resulting Numbers: [65, 120] Generated Node #0,0,0: 71:[65, 120] Operation: 63+57=120 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[65, 120], Operations: ['92-35=57', '63+57=120'] Exploring Operation: 120-65=55, Resulting Numbers: [55] 55,71 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
[ 21, 46, 71, 26 ]
28
[ "21+71=92", "92/46=2", "26+2=28" ]
Current State: 28:[21, 46, 71, 26], Operations: [] Exploring Operation: 21+71=92, Resulting Numbers: [46, 26, 92] Generated Node #2: [46, 26, 92] from Operation: 21+71=92 Current State: 28:[46, 26, 92], Operations: ['21+71=92'] Exploring Operation: 92/46=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 92/46=2 Current State: 28:[26, 2], Operations: ['21+71=92', '92/46=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[21, 46, 71, 26], Operations: [] Exploring Operation: 71-46=25, Resulting Numbers: [21, 26, 25] Generated Node #0,0: 28:[21, 26, 25] Operation: 71-46=25 Exploring Operation: 71-21=50, Resulting Numbers: [46, 26, 50] Generated Node #0,1: 28:[46, 26, 50] Operation: 71-21=50 Moving to Node #0,0 Current State: 28:[21, 26, 25], Operations: ['71-46=25'] Exploring Operation: 26-21=5, Resulting Numbers: [25, 5] Generated Node #0,0,0: 28:[25, 5] Operation: 26-21=5 Exploring Operation: 25-21=4, Resulting Numbers: [26, 4] Generated Node #0,0,1: 28:[26, 4] Operation: 25-21=4 Moving to Node #0,1 Current State: 28:[46, 26, 50], Operations: ['71-21=50'] Exploring Operation: 50-46=4, Resulting Numbers: [26, 4] Generated Node #0,1,0: 28:[26, 4] Operation: 50-46=4 Exploring Operation: 50-26=24, Resulting Numbers: [46, 24] Generated Node #0,1,1: 28:[46, 24] Operation: 50-26=24 Moving to Node #0,0,1 Current State: 28:[26, 4], Operations: ['71-46=25', '25-21=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,28 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,28 unequal: No Solution Moving to Node #0,1,0 Current State: 28:[26, 4], Operations: ['71-21=50', '50-46=4'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,28 unequal: No Solution Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[25, 5], Operations: ['71-46=25', '26-21=5'] Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,28 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[46, 24], Operations: ['71-21=50', '50-26=24'] Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,28 unequal: No Solution Exploring Operation: 46+24=70, Resulting Numbers: [70] 70,28 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 55, 95, 39, 3 ]
11
[ "55+95=150", "150/3=50", "50-39=11" ]
Current State: 11:[55, 95, 39, 3], Operations: [] Exploring Operation: 55+95=150, Resulting Numbers: [39, 3, 150] Generated Node #2: [39, 3, 150] from Operation: 55+95=150 Current State: 11:[39, 3, 150], Operations: ['55+95=150'] Exploring Operation: 150/3=50, Resulting Numbers: [39, 50] Generated Node #3: [39, 50] from Operation: 150/3=50 Current State: 11:[39, 50], Operations: ['55+95=150', '150/3=50'] Exploring Operation: 50-39=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[55, 95, 39, 3], Operations: [] Exploring Operation: 95-55=40, Resulting Numbers: [39, 3, 40] Generated Node #0,0: 11:[39, 3, 40] Operation: 95-55=40 Moving to Node #0,0 Current State: 11:[39, 3, 40], Operations: ['95-55=40'] Exploring Operation: 40-39=1, Resulting Numbers: [3, 1] Generated Node #0,0,0: 11:[3, 1] Operation: 40-39=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[3, 1], Operations: ['95-55=40', '40-39=1'] Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 92, 20, 2, 23 ]
36
[ "92/23=4", "20*2=40", "40-4=36" ]
Current State: 36:[92, 20, 2, 23], Operations: [] Exploring Operation: 92/23=4, Resulting Numbers: [20, 2, 4] Generated Node #2: [20, 2, 4] from Operation: 92/23=4 Current State: 36:[20, 2, 4], Operations: ['92/23=4'] Exploring Operation: 20*2=40, Resulting Numbers: [4, 40] Generated Node #3: [4, 40] from Operation: 20*2=40 Current State: 36:[4, 40], Operations: ['92/23=4', '20*2=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[92, 20, 2, 23], Operations: [] Exploring Operation: 92/23=4, Resulting Numbers: [20, 2, 4] Generated Node #0,0: 36:[20, 2, 4] Operation: 92/23=4 Exploring Operation: 92/2=46, Resulting Numbers: [20, 23, 46] Generated Node #0,1: 36:[20, 23, 46] Operation: 92/2=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[20, 2, 4], Operations: ['92/23=4'] Exploring Operation: 20-2=18, Resulting Numbers: [4, 18] Generated Node #0,0,0: 36:[4, 18] Operation: 20-2=18 Exploring Operation: 20/2=10, Resulting Numbers: [4, 10] Generated Node #0,0,1: 36:[4, 10] Operation: 20/2=10 Moving to Node #0,0,0 Current State: 36:[4, 18], Operations: ['92/23=4', '20-2=18'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[4, 10], Operations: ['92/23=4', '20/2=10'] Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[20, 23, 46], Operations: ['92/2=46'] Exploring Operation: 46/23=2, Resulting Numbers: [20, 2] Generated Node #0,1,0: 36:[20, 2] Operation: 46/23=2 Exploring Operation: 46-23=23, Resulting Numbers: [20, 23] Generated Node #0,1,1: 36:[20, 23] Operation: 46-23=23 Moving to Node #0,1,0 Current State: 36:[20, 2], Operations: ['92/2=46', '46/23=2'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[20, 23], Operations: ['92/2=46', '46-23=23'] Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 20+23=43, Resulting Numbers: [43] 43,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 70, 32, 44, 16 ]
24
[ "70-44=26", "32/16=2", "26-2=24" ]
Current State: 24:[70, 32, 44, 16], Operations: [] Exploring Operation: 70-44=26, Resulting Numbers: [32, 16, 26] Generated Node #2: [32, 16, 26] from Operation: 70-44=26 Current State: 24:[32, 16, 26], Operations: ['70-44=26'] Exploring Operation: 32/16=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 32/16=2 Current State: 24:[26, 2], Operations: ['70-44=26', '32/16=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[70, 32, 44, 16], Operations: [] Exploring Operation: 70-32=38, Resulting Numbers: [44, 16, 38] Generated Node #0,0: 24:[44, 16, 38] Operation: 70-32=38 Exploring Operation: 44-32=12, Resulting Numbers: [70, 16, 12] Generated Node #0,1: 24:[70, 16, 12] Operation: 44-32=12 Exploring Operation: 70-44=26, Resulting Numbers: [32, 16, 26] Generated Node #0,2: 24:[32, 16, 26] Operation: 70-44=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[32, 16, 26], Operations: ['70-44=26'] Exploring Operation: 32-16=16, Resulting Numbers: [26, 16] Generated Node #0,2,0: 24:[26, 16] Operation: 32-16=16 Exploring Operation: 32-26=6, Resulting Numbers: [16, 6] Generated Node #0,2,1: 24:[16, 6] Operation: 32-26=6 Exploring Operation: 32/16=2, Resulting Numbers: [26, 2] Generated Node #0,2,2: 24:[26, 2] Operation: 32/16=2 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 24:[26, 2], Operations: ['70-44=26', '32/16=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,24 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[70, 32, 44, 16], Operations: [] Exploring Operation: 70-44=26, Resulting Numbers: [32, 16, 26] Generated Node #0,2: 24:[32, 16, 26] Operation: 70-44=26 Moving to Node #0,2 Current State: 24:[32, 16, 26], Operations: ['70-44=26'] Exploring Operation: 32/16=2, Resulting Numbers: [26, 2] Generated Node #0,2,2: 24:[26, 2] Operation: 32/16=2 Moving to Node #0,2,2 Current State: 24:[26, 2], Operations: ['70-44=26', '32/16=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 72, 17, 43, 33 ]
13
[ "72+17=89", "43+33=76", "89-76=13" ]
Current State: 13:[72, 17, 43, 33], Operations: [] Exploring Operation: 72+17=89, Resulting Numbers: [43, 33, 89] Generated Node #2: [43, 33, 89] from Operation: 72+17=89 Current State: 13:[43, 33, 89], Operations: ['72+17=89'] Exploring Operation: 43+33=76, Resulting Numbers: [89, 76] Generated Node #3: [89, 76] from Operation: 43+33=76 Current State: 13:[89, 76], Operations: ['72+17=89', '43+33=76'] Exploring Operation: 89-76=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[72, 17, 43, 33], Operations: [] Exploring Operation: 72-43=29, Resulting Numbers: [17, 33, 29] Generated Node #0,0: 13:[17, 33, 29] Operation: 72-43=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[17, 33, 29], Operations: ['72-43=29'] Exploring Operation: 33-29=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 13:[17, 4] Operation: 33-29=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[17, 4], Operations: ['72-43=29', '33-29=4'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[72, 17, 43, 33], Operations: [] Exploring Operation: 72-43=29, Resulting Numbers: [17, 33, 29] Generated Node #0,0: 13:[17, 33, 29] Operation: 72-43=29 Moving to Node #0,0 Current State: 13:[17, 33, 29], Operations: ['72-43=29'] Exploring Operation: 33-29=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 13:[17, 4] Operation: 33-29=4 Moving to Node #0,0,0 Current State: 13:[17, 4], Operations: ['72-43=29', '33-29=4'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 30, 33, 11, 21 ]
31
[ "30+33=63", "11+21=32", "63-32=31" ]
Current State: 31:[30, 33, 11, 21], Operations: [] Exploring Operation: 30+33=63, Resulting Numbers: [11, 21, 63] Generated Node #2: [11, 21, 63] from Operation: 30+33=63 Current State: 31:[11, 21, 63], Operations: ['30+33=63'] Exploring Operation: 11+21=32, Resulting Numbers: [63, 32] Generated Node #3: [63, 32] from Operation: 11+21=32 Current State: 31:[63, 32], Operations: ['30+33=63', '11+21=32'] Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[30, 33, 11, 21], Operations: [] Exploring Operation: 33-11=22, Resulting Numbers: [30, 21, 22] Generated Node #0,0: 31:[30, 21, 22] Operation: 33-11=22 Exploring Operation: 11+21=32, Resulting Numbers: [30, 33, 32] Generated Node #0,1: 31:[30, 33, 32] Operation: 11+21=32 Moving to Node #0,1 Current State: 31:[30, 33, 32], Operations: ['11+21=32'] Exploring Operation: 33-30=3, Resulting Numbers: [32, 3] Generated Node #0,1,0: 31:[32, 3] Operation: 33-30=3 Exploring Operation: 32-30=2, Resulting Numbers: [33, 2] Generated Node #0,1,1: 31:[33, 2] Operation: 32-30=2 Moving to Node #0,0 Current State: 31:[30, 21, 22], Operations: ['33-11=22'] Exploring Operation: 21+22=43, Resulting Numbers: [30, 43] Generated Node #0,0,0: 31:[30, 43] Operation: 21+22=43 Exploring Operation: 30+21=51, Resulting Numbers: [22, 51] Generated Node #0,0,1: 31:[22, 51] Operation: 30+21=51 Moving to Node #0,0,0 Current State: 31:[30, 43], Operations: ['33-11=22', '21+22=43'] Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,31 unequal: No Solution Exploring Operation: 30+43=73, Resulting Numbers: [73] 73,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[32, 3], Operations: ['11+21=32', '33-30=3'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[22, 51], Operations: ['33-11=22', '30+21=51'] Exploring Operation: 22+51=73, Resulting Numbers: [73] 73,31 unequal: No Solution Exploring Operation: 51-22=29, Resulting Numbers: [29] 29,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[33, 2], Operations: ['11+21=32', '32-30=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[30, 33, 11, 21], Operations: [] Exploring Operation: 11+21=32, Resulting Numbers: [30, 33, 32] Generated Node #0,1: 31:[30, 33, 32] Operation: 11+21=32 Moving to Node #0,1 Current State: 31:[30, 33, 32], Operations: ['11+21=32'] Exploring Operation: 32-30=2, Resulting Numbers: [33, 2] Generated Node #0,1,1: 31:[33, 2] Operation: 32-30=2 Moving to Node #0,1,1 Current State: 31:[33, 2], Operations: ['11+21=32', '32-30=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
0.985243
hs_2
mult_heuristic
[ 67, 14, 88, 1 ]
35
[ "67-14=53", "88*1=88", "88-53=35" ]
Current State: 35:[67, 14, 88, 1], Operations: [] Exploring Operation: 67-14=53, Resulting Numbers: [88, 1, 53] Generated Node #2: [88, 1, 53] from Operation: 67-14=53 Current State: 35:[88, 1, 53], Operations: ['67-14=53'] Exploring Operation: 88*1=88, Resulting Numbers: [53, 88] Generated Node #3: [53, 88] from Operation: 88*1=88 Current State: 35:[53, 88], Operations: ['67-14=53', '88*1=88'] Exploring Operation: 88-53=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[67, 14, 88, 1], Operations: [] Exploring Operation: 88-67=21, Resulting Numbers: [14, 1, 21] Generated Node #0,0: 35:[14, 1, 21] Operation: 88-67=21 Exploring Operation: 67-14=53, Resulting Numbers: [88, 1, 53] Generated Node #0,1: 35:[88, 1, 53] Operation: 67-14=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[14, 1, 21], Operations: ['88-67=21'] Exploring Operation: 21-14=7, Resulting Numbers: [1, 7] Generated Node #0,0,0: 35:[1, 7] Operation: 21-14=7 Exploring Operation: 14+21=35, Resulting Numbers: [1, 35] Generated Node #0,0,1: 35:[1, 35] Operation: 14+21=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[1, 7], Operations: ['88-67=21', '21-14=7'] Exploring Operation: 1*7=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,35 unequal: No Solution No 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: 35:[1, 35], Operations: ['88-67=21', '14+21=35'] Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[67, 14, 88, 1], Operations: [] Exploring Operation: 88-67=21, Resulting Numbers: [14, 1, 21] Generated Node #0,0: 35:[14, 1, 21] Operation: 88-67=21 Moving to Node #0,0 Current State: 35:[14, 1, 21], Operations: ['88-67=21'] Exploring Operation: 14+21=35, Resulting Numbers: [1, 35] Generated Node #0,0,1: 35:[1, 35] Operation: 14+21=35 Moving to Node #0,0,1 Current State: 35:[1, 35], Operations: ['88-67=21', '14+21=35'] Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 87, 3, 60, 43 ]
52
[ "87-60=27", "27/3=9", "43+9=52" ]
Current State: 52:[87, 3, 60, 43], Operations: [] Exploring Operation: 87-60=27, Resulting Numbers: [3, 43, 27] Generated Node #2: [3, 43, 27] from Operation: 87-60=27 Current State: 52:[3, 43, 27], Operations: ['87-60=27'] Exploring Operation: 27/3=9, Resulting Numbers: [43, 9] Generated Node #3: [43, 9] from Operation: 27/3=9 Current State: 52:[43, 9], Operations: ['87-60=27', '27/3=9'] Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[87, 3, 60, 43], Operations: [] Exploring Operation: 87/3=29, Resulting Numbers: [60, 43, 29] Generated Node #0,0: 52:[60, 43, 29] Operation: 87/3=29 Exploring Operation: 87-3=84, Resulting Numbers: [60, 43, 84] Generated Node #0,1: 52:[60, 43, 84] Operation: 87-3=84 Exploring Operation: 87-60=27, Resulting Numbers: [3, 43, 27] Generated Node #0,2: 52:[3, 43, 27] Operation: 87-60=27 Exploring Operation: 60-43=17, Resulting Numbers: [87, 3, 17] Generated Node #0,3: 52:[87, 3, 17] Operation: 60-43=17 Exploring Operation: 87-43=44, Resulting Numbers: [3, 60, 44] Generated Node #0,4: 52:[3, 60, 44] Operation: 87-43=44 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[3, 43, 27], Operations: ['87-60=27'] Exploring Operation: 3+43=46, Resulting Numbers: [27, 46] Generated Node #0,2,0: 52:[27, 46] Operation: 3+43=46 Exploring Operation: 3+27=30, Resulting Numbers: [43, 30] Generated Node #0,2,1: 52:[43, 30] Operation: 3+27=30 Exploring Operation: 43-3=40, Resulting Numbers: [27, 40] Generated Node #0,2,2: 52:[27, 40] Operation: 43-3=40 Exploring Operation: 43-27=16, Resulting Numbers: [3, 16] Generated Node #0,2,3: 52:[3, 16] Operation: 43-27=16 Exploring Operation: 27-3=24, Resulting Numbers: [43, 24] Generated Node #0,2,4: 52:[43, 24] Operation: 27-3=24 Moving to Node #0,2,3 Current State: 52:[3, 16], Operations: ['87-60=27', '43-27=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,52 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,52 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[27, 46], Operations: ['87-60=27', '3+43=46'] Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 27+46=73, Resulting Numbers: [73] 73,52 unequal: No Solution Exploring Operation: 27*46=1242, Resulting Numbers: [1242] 1242,52 unequal: No Solution Moving to Node #0,2,4 Current State: 52:[43, 24], Operations: ['87-60=27', '27-3=24'] Exploring Operation: 43+24=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 43-24=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 43*24=1032, Resulting Numbers: [1032] 1032,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[43, 30], Operations: ['87-60=27', '3+27=30'] Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,52 unequal: No Solution Exploring Operation: 43*30=1290, Resulting Numbers: [1290] 1290,52 unequal: No Solution Exploring Operation: 43+30=73, Resulting Numbers: [73] 73,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[27, 40], Operations: ['87-60=27', '43-3=40'] Exploring Operation: 27*40=1080, Resulting Numbers: [1080] 1080,52 unequal: No Solution Exploring Operation: 40-27=13, Resulting Numbers: [13] 13,52 unequal: No Solution Exploring Operation: 27+40=67, Resulting Numbers: [67] 67,52 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 #0,4 Current State: 52:[3, 60, 44], Operations: ['87-43=44'] Exploring Operation: 3+44=47, Resulting Numbers: [60, 47] Generated Node #0,4,0: 52:[60, 47] Operation: 3+44=47 Exploring Operation: 60-3=57, Resulting Numbers: [44, 57] Generated Node #0,4,1: 52:[44, 57] Operation: 60-3=57 Exploring Operation: 60-44=16, Resulting Numbers: [3, 16] Generated Node #0,4,2: 52:[3, 16] Operation: 60-44=16 Exploring Operation: 60/3=20, Resulting Numbers: [44, 20] Generated Node #0,4,3: 52:[44, 20] Operation: 60/3=20 Exploring Operation: 3+60=63, Resulting Numbers: [44, 63] Generated Node #0,4,4: 52:[44, 63] Operation: 3+60=63 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 52:[3, 16], Operations: ['87-43=44', '60-44=16'] Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,52 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 52:[60, 47], Operations: ['87-43=44', '3+44=47'] Exploring Operation: 60*47=2820, Resulting Numbers: [2820] 2820,52 unequal: No Solution Exploring Operation: 60-47=13, Resulting Numbers: [13] 13,52 unequal: No Solution Exploring Operation: 60+47=107, Resulting Numbers: [107] 107,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 52:[44, 57], Operations: ['87-43=44', '60-3=57'] Exploring Operation: 44+57=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 44*57=2508, Resulting Numbers: [2508] 2508,52 unequal: No Solution Exploring Operation: 57-44=13, Resulting Numbers: [13] 13,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 52:[44, 20], Operations: ['87-43=44', '60/3=20'] Exploring Operation: 44+20=64, Resulting Numbers: [64] 64,52 unequal: No Solution Exploring Operation: 44*20=880, Resulting Numbers: [880] 880,52 unequal: No Solution Exploring Operation: 44-20=24, Resulting Numbers: [24] 24,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 52:[44, 63], Operations: ['87-43=44', '3+60=63'] Exploring Operation: 44+63=107, Resulting Numbers: [107] 107,52 unequal: No Solution Exploring Operation: 63-44=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 44*63=2772, Resulting Numbers: [2772] 2772,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[60, 43, 29], Operations: ['87/3=29'] Exploring Operation: 43-29=14, Resulting Numbers: [60, 14] Generated Node #0,0,0: 52:[60, 14] Operation: 43-29=14 Exploring Operation: 43+29=72, Resulting Numbers: [60, 72] Generated Node #0,0,1: 52:[60, 72] Operation: 43+29=72 Exploring Operation: 60-43=17, Resulting Numbers: [29, 17] Generated Node #0,0,2: 52:[29, 17] Operation: 60-43=17 Exploring Operation: 60-29=31, Resulting Numbers: [43, 31] Generated Node #0,0,3: 52:[43, 31] Operation: 60-29=31 Exploring Operation: 60+29=89, Resulting Numbers: [43, 89] Generated Node #0,0,4: 52:[43, 89] Operation: 60+29=89 Moving to Node #0,0,2 Current State: 52:[29, 17], Operations: ['87/3=29', '60-43=17'] Exploring Operation: 29+17=46, Resulting Numbers: [46] 46,52 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 29*17=493, Resulting Numbers: [493] 493,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[60, 14], Operations: ['87/3=29', '43-29=14'] Exploring Operation: 60-14=46, Resulting Numbers: [46] 46,52 unequal: No Solution Exploring Operation: 60*14=840, Resulting Numbers: [840] 840,52 unequal: No Solution Exploring Operation: 60+14=74, Resulting Numbers: [74] 74,52 unequal: No Solution Moving to Node #0,0,3 Current State: 52:[43, 31], Operations: ['87/3=29', '60-29=31'] Exploring Operation: 43+31=74, Resulting Numbers: [74] 74,52 unequal: No Solution Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 43*31=1333, Resulting Numbers: [1333] 1333,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[60, 72], Operations: ['87/3=29', '43+29=72'] Exploring Operation: 60+72=132, Resulting Numbers: [132] 132,52 unequal: No Solution Exploring Operation: 72-60=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 60*72=4320, Resulting Numbers: [4320] 4320,52 unequal: No Solution Moving to Node #0,0,4 Current State: 52:[43, 89], Operations: ['87/3=29', '60+29=89'] Exploring Operation: 43*89=3827, Resulting Numbers: [3827] 3827,52 unequal: No Solution Exploring Operation: 43+89=132, Resulting Numbers: [132] 132,52 unequal: No Solution Exploring Operation: 89-43=46, Resulting Numbers: [46] 46,52 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 #0,3 Current State: 52:[87, 3, 17], Operations: ['60-43=17'] Exploring Operation: 3*17=51, Resulting Numbers: [87, 51] Generated Node #0,3,0: 52:[87, 51] Operation: 3*17=51 Exploring Operation: 87/3=29, Resulting Numbers: [17, 29] Generated Node #0,3,1: 52:[17, 29] Operation: 87/3=29 Exploring Operation: 87-3=84, Resulting Numbers: [17, 84] Generated Node #0,3,2: 52:[17, 84] Operation: 87-3=84 Exploring Operation: 17-3=14, Resulting Numbers: [87, 14] Generated Node #0,3,3: 52:[87, 14] Operation: 17-3=14 Exploring Operation: 87-17=70, Resulting Numbers: [3, 70] Generated Node #0,3,4: 52:[3, 70] Operation: 87-17=70 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 52:[17, 29], Operations: ['60-43=17', '87/3=29'] Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 17*29=493, Resulting Numbers: [493] 493,52 unequal: No Solution Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 52:[3, 70], Operations: ['60-43=17', '87-17=70'] Exploring Operation: 3*70=210, Resulting Numbers: [210] 210,52 unequal: No Solution Exploring Operation: 3+70=73, Resulting Numbers: [73] 73,52 unequal: No Solution Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 52:[87, 51], Operations: ['60-43=17', '3*17=51'] Exploring Operation: 87*51=4437, Resulting Numbers: [4437] 4437,52 unequal: No Solution Exploring Operation: 87-51=36, Resulting Numbers: [36] 36,52 unequal: No Solution Exploring Operation: 87+51=138, Resulting Numbers: [138] 138,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 52:[17, 84], Operations: ['60-43=17', '87-3=84'] Exploring Operation: 17+84=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 84-17=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 17*84=1428, Resulting Numbers: [1428] 1428,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 52:[87, 14], Operations: ['60-43=17', '17-3=14'] Exploring Operation: 87+14=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 87-14=73, Resulting Numbers: [73] 73,52 unequal: No Solution Exploring Operation: 87*14=1218, Resulting Numbers: [1218] 1218,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[60, 43, 84], Operations: ['87-3=84'] Exploring Operation: 84-43=41, Resulting Numbers: [60, 41] Generated Node #0,1,0: 52:[60, 41] Operation: 84-43=41 Exploring Operation: 84-60=24, Resulting Numbers: [43, 24] Generated Node #0,1,1: 52:[43, 24] Operation: 84-60=24 Exploring Operation: 60-43=17, Resulting Numbers: [84, 17] Generated Node #0,1,2: 52:[84, 17] Operation: 60-43=17 Exploring Operation: 43+84=127, Resulting Numbers: [60, 127] Generated Node #0,1,3: 52:[60, 127] Operation: 43+84=127 Exploring Operation: 60+43=103, Resulting Numbers: [84, 103] Generated Node #0,1,4: 52:[84, 103] Operation: 60+43=103 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 52:[43, 24], Operations: ['87-3=84', '84-60=24'] Exploring Operation: 43+24=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 43*24=1032, Resulting Numbers: [1032] 1032,52 unequal: No Solution Exploring Operation: 43-24=19, Resulting Numbers: [19] 19,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[60, 41], Operations: ['87-3=84', '84-43=41'] Exploring Operation: 60+41=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 60*41=2460, Resulting Numbers: [2460] 2460,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 52:[84, 17], Operations: ['87-3=84', '60-43=17'] Exploring Operation: 84*17=1428, Resulting Numbers: [1428] 1428,52 unequal: No Solution Exploring Operation: 84+17=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 84-17=67, Resulting Numbers: [67] 67,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 52:[60, 127], Operations: ['87-3=84', '43+84=127'] Exploring Operation: 60+127=187, Resulting Numbers: [187] 187,52 unequal: No Solution Exploring Operation: 127-60=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 60*127=7620, Resulting Numbers: [7620] 7620,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 52:[84, 103], Operations: ['87-3=84', '60+43=103'] Exploring Operation: 84+103=187, Resulting Numbers: [187] 187,52 unequal: No Solution Exploring Operation: 103-84=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 84*103=8652, Resulting Numbers: [8652] 8652,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 42, 2, 20, 32 ]
46
[ "42+20=62", "32/2=16", "62-16=46" ]
Current State: 46:[42, 2, 20, 32], Operations: [] Exploring Operation: 42+20=62, Resulting Numbers: [2, 32, 62] Generated Node #2: [2, 32, 62] from Operation: 42+20=62 Current State: 46:[2, 32, 62], Operations: ['42+20=62'] Exploring Operation: 32/2=16, Resulting Numbers: [62, 16] Generated Node #3: [62, 16] from Operation: 32/2=16 Current State: 46:[62, 16], Operations: ['42+20=62', '32/2=16'] Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[42, 2, 20, 32], Operations: [] Exploring Operation: 42+2=44, Resulting Numbers: [20, 32, 44] Generated Node #0,0: 46:[20, 32, 44] Operation: 42+2=44 Exploring Operation: 42-20=22, Resulting Numbers: [2, 32, 22] Generated Node #0,1: 46:[2, 32, 22] Operation: 42-20=22 Exploring Operation: 20+32=52, Resulting Numbers: [42, 2, 52] Generated Node #0,2: 46:[42, 2, 52] Operation: 20+32=52 Exploring Operation: 42-32=10, Resulting Numbers: [2, 20, 10] Generated Node #0,3: 46:[2, 20, 10] Operation: 42-32=10 Moving to Node #0,1 Current State: 46:[2, 32, 22], Operations: ['42-20=22'] Exploring Operation: 32+22=54, Resulting Numbers: [2, 54] Generated Node #0,1,0: 46:[2, 54] Operation: 32+22=54 Exploring Operation: 32-2=30, Resulting Numbers: [22, 30] Generated Node #0,1,1: 46:[22, 30] Operation: 32-2=30 Exploring Operation: 32/2=16, Resulting Numbers: [22, 16] Generated Node #0,1,2: 46:[22, 16] Operation: 32/2=16 Exploring Operation: 32-22=10, Resulting Numbers: [2, 10] Generated Node #0,1,3: 46:[2, 10] Operation: 32-22=10 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[2, 54], Operations: ['42-20=22', '32+22=54'] Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,46 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,46 unequal: No Solution Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,46 unequal: No Solution Exploring Operation: 2*54=108, Resulting Numbers: [108] 108,46 unequal: No Solution No 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: 46:[22, 30], Operations: ['42-20=22', '32-2=30'] Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 22+30=52, Resulting Numbers: [52] 52,46 unequal: No Solution Exploring Operation: 22*30=660, Resulting Numbers: [660] 660,46 unequal: No Solution No 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: 46:[22, 16], Operations: ['42-20=22', '32/2=16'] Exploring Operation: 22*16=352, Resulting Numbers: [352] 352,46 unequal: No Solution Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,46 unequal: No Solution Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,46 unequal: No Solution No 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: 46:[2, 10], Operations: ['42-20=22', '32-22=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,46 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: 46:[42, 2, 52], Operations: ['20+32=52'] Exploring Operation: 52/2=26, Resulting Numbers: [42, 26] Generated Node #0,2,0: 46:[42, 26] Operation: 52/2=26 Exploring Operation: 42/2=21, Resulting Numbers: [52, 21] Generated Node #0,2,1: 46:[52, 21] Operation: 42/2=21 Exploring Operation: 52-42=10, Resulting Numbers: [2, 10] Generated Node #0,2,2: 46:[2, 10] Operation: 52-42=10 Exploring Operation: 42+2=44, Resulting Numbers: [52, 44] Generated Node #0,2,3: 46:[52, 44] Operation: 42+2=44 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 46:[42, 26], Operations: ['20+32=52', '52/2=26'] Exploring Operation: 42*26=1092, Resulting Numbers: [1092] 1092,46 unequal: No Solution Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 42+26=68, Resulting Numbers: [68] 68,46 unequal: No Solution No 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: 46:[52, 21], Operations: ['20+32=52', '42/2=21'] Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 52*21=1092, Resulting Numbers: [1092] 1092,46 unequal: No Solution Exploring Operation: 52+21=73, Resulting Numbers: [73] 73,46 unequal: No Solution No 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: 46:[2, 10], Operations: ['20+32=52', '52-42=10'] Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,46 unequal: No Solution No 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: 46:[52, 44], Operations: ['20+32=52', '42+2=44'] Exploring Operation: 52-44=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 52+44=96, Resulting Numbers: [96] 96,46 unequal: No Solution Exploring Operation: 52*44=2288, Resulting Numbers: [2288] 2288,46 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: 46:[2, 20, 10], Operations: ['42-32=10'] Exploring Operation: 20+10=30, Resulting Numbers: [2, 30] Generated Node #0,3,0: 46:[2, 30] Operation: 20+10=30 Exploring Operation: 20/10=2, Resulting Numbers: [2, 2] Generated Node #0,3,1: 46:[2, 2] Operation: 20/10=2 Exploring Operation: 10/2=5, Resulting Numbers: [20, 5] Generated Node #0,3,2: 46:[20, 5] Operation: 10/2=5 Exploring Operation: 2*10=20, Resulting Numbers: [20, 20] Generated Node #0,3,3: 46:[20, 20] Operation: 2*10=20 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 46:[2, 2], Operations: ['42-32=10', '20/10=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,46 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,46 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,46 unequal: No Solution No 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: 46:[20, 5], Operations: ['42-32=10', '10/2=5'] Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,46 unequal: No Solution Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,46 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,46 unequal: No Solution No 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: 46:[20, 20], Operations: ['42-32=10', '2*10=20'] Exploring Operation: 20/20=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,46 unequal: No Solution Exploring Operation: 20*20=400, Resulting Numbers: [400] 400,46 unequal: No Solution Exploring Operation: 20-20=0, Resulting Numbers: [0] 0,46 unequal: No Solution No 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: 46:[2, 30], Operations: ['42-32=10', '20+10=30'] Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,46 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,46 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: 46:[20, 32, 44], Operations: ['42+2=44'] Exploring Operation: 44-20=24, Resulting Numbers: [32, 24] Generated Node #0,0,0: 46:[32, 24] Operation: 44-20=24 Exploring Operation: 44-32=12, Resulting Numbers: [20, 12] Generated Node #0,0,1: 46:[20, 12] Operation: 44-32=12 Exploring Operation: 32-20=12, Resulting Numbers: [44, 12] Generated Node #0,0,2: 46:[44, 12] Operation: 32-20=12 Exploring Operation: 20+32=52, Resulting Numbers: [44, 52] Generated Node #0,0,3: 46:[44, 52] Operation: 20+32=52 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 46:[44, 52], Operations: ['42+2=44', '20+32=52'] Exploring Operation: 52-44=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 44*52=2288, Resulting Numbers: [2288] 2288,46 unequal: No Solution Exploring Operation: 44+52=96, Resulting Numbers: [96] 96,46 unequal: No Solution No 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: 46:[32, 24], Operations: ['42+2=44', '44-20=24'] Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,46 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,46 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,46 unequal: No Solution No 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: 46:[44, 12], Operations: ['42+2=44', '32-20=12'] Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 44+12=56, Resulting Numbers: [56] 56,46 unequal: No Solution Exploring Operation: 44*12=528, Resulting Numbers: [528] 528,46 unequal: No Solution No 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: 46:[20, 12], Operations: ['42+2=44', '44-32=12'] Exploring Operation: 20*12=240, Resulting Numbers: [240] 240,46 unequal: No Solution Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,46 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
[ 32, 74, 18, 9 ]
52
[ "32-18=14", "9*14=126", "126-74=52" ]
Current State: 52:[32, 74, 18, 9], Operations: [] Exploring Operation: 32-18=14, Resulting Numbers: [74, 9, 14] Generated Node #2: [74, 9, 14] from Operation: 32-18=14 Current State: 52:[74, 9, 14], Operations: ['32-18=14'] Exploring Operation: 9*14=126, Resulting Numbers: [74, 126] Generated Node #3: [74, 126] from Operation: 9*14=126 Current State: 52:[74, 126], Operations: ['32-18=14', '9*14=126'] Exploring Operation: 126-74=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[32, 74, 18, 9], Operations: [] Exploring Operation: 74-18=56, Resulting Numbers: [32, 9, 56] Generated Node #0,0: 52:[32, 9, 56] Operation: 74-18=56 Exploring Operation: 74-32=42, Resulting Numbers: [18, 9, 42] Generated Node #0,1: 52:[18, 9, 42] Operation: 74-32=42 Moving to Node #0,0 Current State: 52:[32, 9, 56], Operations: ['74-18=56'] Exploring Operation: 32-9=23, Resulting Numbers: [56, 23] Generated Node #0,0,0: 52:[56, 23] Operation: 32-9=23 Exploring Operation: 56-32=24, Resulting Numbers: [9, 24] Generated Node #0,0,1: 52:[9, 24] Operation: 56-32=24 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[9, 24], Operations: ['74-18=56', '56-32=24'] Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,52 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,52 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:[56, 23], Operations: ['74-18=56', '32-9=23'] Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,52 unequal: No Solution Exploring Operation: 56+23=79, Resulting Numbers: [79] 79,52 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:[18, 9, 42], Operations: ['74-32=42'] Exploring Operation: 42-18=24, Resulting Numbers: [9, 24] Generated Node #0,1,0: 52:[9, 24] Operation: 42-18=24 Exploring Operation: 9+42=51, Resulting Numbers: [18, 51] Generated Node #0,1,1: 52:[18, 51] Operation: 9+42=51 Moving to Node #0,1,0 Current State: 52:[9, 24], Operations: ['74-32=42', '42-18=24'] Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,52 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[18, 51], Operations: ['74-32=42', '9+42=51'] Exploring Operation: 18+51=69, Resulting Numbers: [69] 69,52 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,52 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 94, 52, 32, 44 ]
34
[ "94-52=42", "32+44=76", "76-42=34" ]
Current State: 34:[94, 52, 32, 44], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [32, 44, 42] Generated Node #2: [32, 44, 42] from Operation: 94-52=42 Current State: 34:[32, 44, 42], Operations: ['94-52=42'] Exploring Operation: 32+44=76, Resulting Numbers: [42, 76] Generated Node #3: [42, 76] from Operation: 32+44=76 Current State: 34:[42, 76], Operations: ['94-52=42', '32+44=76'] Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[94, 52, 32, 44], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [32, 44, 42] Generated Node #0,0: 34:[32, 44, 42] Operation: 94-52=42 Exploring Operation: 94-44=50, Resulting Numbers: [52, 32, 50] Generated Node #0,1: 34:[52, 32, 50] Operation: 94-44=50 Exploring Operation: 94-32=62, Resulting Numbers: [52, 44, 62] Generated Node #0,2: 34:[52, 44, 62] Operation: 94-32=62 Moving to Node #0,0 Current State: 34:[32, 44, 42], Operations: ['94-52=42'] Exploring Operation: 44-42=2, Resulting Numbers: [32, 2] Generated Node #0,0,0: 34:[32, 2] Operation: 44-42=2 Exploring Operation: 42-32=10, Resulting Numbers: [44, 10] Generated Node #0,0,1: 34:[44, 10] Operation: 42-32=10 Exploring Operation: 44-32=12, Resulting Numbers: [42, 12] Generated Node #0,0,2: 34:[42, 12] Operation: 44-32=12 Moving to Node #0,1 Current State: 34:[52, 32, 50], Operations: ['94-44=50'] Exploring Operation: 50-32=18, Resulting Numbers: [52, 18] Generated Node #0,1,0: 34:[52, 18] Operation: 50-32=18 Exploring Operation: 52-32=20, Resulting Numbers: [50, 20] Generated Node #0,1,1: 34:[50, 20] Operation: 52-32=20 Exploring Operation: 52-50=2, Resulting Numbers: [32, 2] Generated Node #0,1,2: 34:[32, 2] Operation: 52-50=2 Moving to Node #0,2 Current State: 34:[52, 44, 62], Operations: ['94-32=62'] Exploring Operation: 62-52=10, Resulting Numbers: [44, 10] Generated Node #0,2,0: 34:[44, 10] Operation: 62-52=10 Exploring Operation: 52-44=8, Resulting Numbers: [62, 8] Generated Node #0,2,1: 34:[62, 8] Operation: 52-44=8 Exploring Operation: 62-44=18, Resulting Numbers: [52, 18] Generated Node #0,2,2: 34:[52, 18] Operation: 62-44=18 Moving to Node #0,0,0 Current State: 34:[32, 2], Operations: ['94-52=42', '44-42=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,34 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[94, 52, 32, 44], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [32, 44, 42] Generated Node #0,0: 34:[32, 44, 42] Operation: 94-52=42 Moving to Node #0,0 Current State: 34:[32, 44, 42], Operations: ['94-52=42'] Exploring Operation: 44-42=2, Resulting Numbers: [32, 2] Generated Node #0,0,0: 34:[32, 2] Operation: 44-42=2 Moving to Node #0,0,0 Current State: 34:[32, 2], Operations: ['94-52=42', '44-42=2'] Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.983507
hs_3
sum_heuristic
[ 9, 43, 16, 57 ]
60
[ "43-16=27", "27/9=3", "57+3=60" ]
Current State: 60:[9, 43, 16, 57], Operations: [] Exploring Operation: 43-16=27, Resulting Numbers: [9, 57, 27] Generated Node #2: [9, 57, 27] from Operation: 43-16=27 Current State: 60:[9, 57, 27], Operations: ['43-16=27'] Exploring Operation: 27/9=3, Resulting Numbers: [57, 3] Generated Node #3: [57, 3] from Operation: 27/9=3 Current State: 60:[57, 3], Operations: ['43-16=27', '27/9=3'] Exploring Operation: 57+3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[9, 43, 16, 57], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [9, 16, 14] Generated Node #0,0: 60:[9, 16, 14] Operation: 57-43=14 Exploring Operation: 43+16=59, Resulting Numbers: [9, 57, 59] Generated Node #0,1: 60:[9, 57, 59] Operation: 43+16=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[9, 16, 14], Operations: ['57-43=14'] Exploring Operation: 16+14=30, Resulting Numbers: [9, 30] Generated Node #0,0,0: 60:[9, 30] Operation: 16+14=30 Exploring Operation: 14-9=5, Resulting Numbers: [16, 5] Generated Node #0,0,1: 60:[16, 5] Operation: 14-9=5 Moving to Node #0,0,0 Current State: 60:[9, 30], Operations: ['57-43=14', '16+14=30'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 9+30=39, Resulting Numbers: [39] 39,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[16, 5], Operations: ['57-43=14', '14-9=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[9, 57, 59], Operations: ['43+16=59'] Exploring Operation: 59-57=2, Resulting Numbers: [9, 2] Generated Node #0,1,0: 60:[9, 2] Operation: 59-57=2 Exploring Operation: 9+57=66, Resulting Numbers: [59, 66] Generated Node #0,1,1: 60:[59, 66] Operation: 9+57=66 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 60:[9, 2], Operations: ['43+16=59', '59-57=2'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,60 unequal: No Solution No 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: 60:[59, 66], Operations: ['43+16=59', '9+57=66'] Exploring Operation: 66-59=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 59+66=125, Resulting Numbers: [125] 125,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 65, 99, 51, 34 ]
17
[ "99-65=34", "51-34=17", "34-17=17" ]
Current State: 17:[65, 99, 51, 34], Operations: [] Exploring Operation: 99-65=34, Resulting Numbers: [51, 34, 34] Generated Node #2: [51, 34, 34] from Operation: 99-65=34 Current State: 17:[51, 34, 34], Operations: ['99-65=34'] Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[65, 99, 51, 34], Operations: [] Exploring Operation: 99-51=48, Resulting Numbers: [65, 34, 48] Generated Node #0,0: 17:[65, 34, 48] Operation: 99-51=48 Exploring Operation: 99-65=34, Resulting Numbers: [51, 34, 34] Generated Node #0,1: 17:[51, 34, 34] Operation: 99-65=34 Moving to Node #0,1 Current State: 17:[51, 34, 34], Operations: ['99-65=34'] Exploring Operation: 51-34=17, Resulting Numbers: [34, 17] Generated Node #0,1,0: 17:[34, 17] Operation: 51-34=17 Exploring Operation: 51-34=17, Resulting Numbers: [34, 17] Generated Node #0,1,1: 17:[34, 17] Operation: 51-34=17 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 17:[34, 17], Operations: ['99-65=34', '51-34=17'] Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[65, 99, 51, 34], Operations: [] Exploring Operation: 99-65=34, Resulting Numbers: [51, 34, 34] Generated Node #0,1: 17:[51, 34, 34] Operation: 99-65=34 Moving to Node #0,1 Current State: 17:[51, 34, 34], Operations: ['99-65=34'] Exploring Operation: 51-34=17, Resulting Numbers: [34, 17] Generated Node #0,1,0: 17:[34, 17] Operation: 51-34=17 Moving to Node #0,1,0 Current State: 17:[34, 17], Operations: ['99-65=34', '51-34=17'] Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 90, 6, 84, 7 ]
48
[ "90*6=540", "84*7=588", "588-540=48" ]
Current State: 48:[90, 6, 84, 7], Operations: [] Exploring Operation: 90*6=540, Resulting Numbers: [84, 7, 540] Generated Node #2: [84, 7, 540] from Operation: 90*6=540 Current State: 48:[84, 7, 540], Operations: ['90*6=540'] Exploring Operation: 84*7=588, Resulting Numbers: [540, 588] Generated Node #3: [540, 588] from Operation: 84*7=588 Current State: 48:[540, 588], Operations: ['90*6=540', '84*7=588'] Exploring Operation: 588-540=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[90, 6, 84, 7], Operations: [] Exploring Operation: 90-84=6, Resulting Numbers: [6, 7, 6] Generated Node #0,0: 48:[6, 7, 6] Operation: 90-84=6 Exploring Operation: 90/6=15, Resulting Numbers: [84, 7, 15] Generated Node #0,1: 48:[84, 7, 15] Operation: 90/6=15 Exploring Operation: 84/7=12, Resulting Numbers: [90, 6, 12] Generated Node #0,2: 48:[90, 6, 12] Operation: 84/7=12 Exploring Operation: 84/6=14, Resulting Numbers: [90, 7, 14] Generated Node #0,3: 48:[90, 7, 14] Operation: 84/6=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[6, 7, 6], Operations: ['90-84=6'] Exploring Operation: 7-6=1, Resulting Numbers: [6, 1] Generated Node #0,0,0: 48:[6, 1] Operation: 7-6=1 Exploring Operation: 6+6=12, Resulting Numbers: [7, 12] Generated Node #0,0,1: 48:[7, 12] Operation: 6+6=12 Exploring Operation: 6+7=13, Resulting Numbers: [6, 13] Generated Node #0,0,2: 48:[6, 13] Operation: 6+7=13 Exploring Operation: 7+6=13, Resulting Numbers: [6, 13] Generated Node #0,0,3: 48:[6, 13] Operation: 7+6=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[6, 1], Operations: ['90-84=6', '7-6=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,48 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[7, 12], Operations: ['90-84=6', '6+6=12'] Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,48 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,48 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 48:[6, 13], Operations: ['90-84=6', '6+7=13'] Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,48 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,48 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 48:[6, 13], Operations: ['90-84=6', '7+6=13'] Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,48 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,48 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[84, 7, 15], Operations: ['90/6=15'] Exploring Operation: 84-15=69, Resulting Numbers: [7, 69] Generated Node #0,1,0: 48:[7, 69] Operation: 84-15=69 Exploring Operation: 84/7=12, Resulting Numbers: [15, 12] Generated Node #0,1,1: 48:[15, 12] Operation: 84/7=12 Exploring Operation: 15-7=8, Resulting Numbers: [84, 8] Generated Node #0,1,2: 48:[84, 8] Operation: 15-7=8 Exploring Operation: 84-7=77, Resulting Numbers: [15, 77] Generated Node #0,1,3: 48:[15, 77] Operation: 84-7=77 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 48:[15, 12], Operations: ['90/6=15', '84/7=12'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 48:[7, 69], Operations: ['90/6=15', '84-15=69'] Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,48 unequal: No Solution Exploring Operation: 7*69=483, Resulting Numbers: [483] 483,48 unequal: No Solution Exploring Operation: 7+69=76, Resulting Numbers: [76] 76,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 48:[15, 77], Operations: ['90/6=15', '84-7=77'] Exploring Operation: 15+77=92, Resulting Numbers: [92] 92,48 unequal: No Solution Exploring Operation: 15*77=1155, Resulting Numbers: [1155] 1155,48 unequal: No Solution Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 48:[84, 8], Operations: ['90/6=15', '15-7=8'] Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,48 unequal: No Solution Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,48 unequal: No Solution Exploring Operation: 84*8=672, Resulting Numbers: [672] 672,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[90, 6, 12], Operations: ['84/7=12'] Exploring Operation: 12-6=6, Resulting Numbers: [90, 6] Generated Node #0,2,0: 48:[90, 6] Operation: 12-6=6 Exploring Operation: 90-6=84, Resulting Numbers: [12, 84] Generated Node #0,2,1: 48:[12, 84] Operation: 90-6=84 Exploring Operation: 90-12=78, Resulting Numbers: [6, 78] Generated Node #0,2,2: 48:[6, 78] Operation: 90-12=78 Exploring Operation: 90/6=15, Resulting Numbers: [12, 15] Generated Node #0,2,3: 48:[12, 15] Operation: 90/6=15 Moving to Node #0,2,3 Current State: 48:[12, 15], Operations: ['84/7=12', '90/6=15'] Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[6, 78], Operations: ['84/7=12', '90-12=78'] Exploring Operation: 6*78=468, Resulting Numbers: [468] 468,48 unequal: No Solution Exploring Operation: 6+78=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,48 unequal: No Solution Moving to Node #0,2,1 Current State: 48:[12, 84], Operations: ['84/7=12', '90-6=84'] Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,48 unequal: No Solution Exploring Operation: 12+84=96, Resulting Numbers: [96] 96,48 unequal: No Solution Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,48 unequal: No Solution Exploring Operation: 12*84=1008, Resulting Numbers: [1008] 1008,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[90, 6], Operations: ['84/7=12', '12-6=6'] Exploring Operation: 90*6=540, Resulting Numbers: [540] 540,48 unequal: No Solution Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 90+6=96, Resulting Numbers: [96] 96,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 48:[90, 7, 14], Operations: ['84/6=14'] Exploring Operation: 14-7=7, Resulting Numbers: [90, 7] Generated Node #0,3,0: 48:[90, 7] Operation: 14-7=7 Exploring Operation: 14/7=2, Resulting Numbers: [90, 2] Generated Node #0,3,1: 48:[90, 2] Operation: 14/7=2 Exploring Operation: 90-14=76, Resulting Numbers: [7, 76] Generated Node #0,3,2: 48:[7, 76] Operation: 90-14=76 Exploring Operation: 90-7=83, Resulting Numbers: [14, 83] Generated Node #0,3,3: 48:[14, 83] Operation: 90-7=83 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 48:[7, 76], Operations: ['84/6=14', '90-14=76'] Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,48 unequal: No Solution Exploring Operation: 7*76=532, Resulting Numbers: [532] 532,48 unequal: No Solution Exploring Operation: 7+76=83, Resulting Numbers: [83] 83,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 48:[14, 83], Operations: ['84/6=14', '90-7=83'] Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,48 unequal: No Solution Exploring Operation: 14+83=97, Resulting Numbers: [97] 97,48 unequal: No Solution Exploring Operation: 14*83=1162, Resulting Numbers: [1162] 1162,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 48:[90, 2], Operations: ['84/6=14', '14/7=2'] Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,48 unequal: No Solution Exploring Operation: 90*2=180, Resulting Numbers: [180] 180,48 unequal: No Solution Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,48 unequal: No Solution Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 48:[90, 7], Operations: ['84/6=14', '14-7=7'] Exploring Operation: 90+7=97, Resulting Numbers: [97] 97,48 unequal: No Solution Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,48 unequal: No Solution Exploring Operation: 90*7=630, Resulting Numbers: [630] 630,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 86, 88, 12, 65 ]
79
[ "88-86=2", "12+65=77", "2+77=79" ]
Current State: 79:[86, 88, 12, 65], Operations: [] Exploring Operation: 88-86=2, Resulting Numbers: [12, 65, 2] Generated Node #2: [12, 65, 2] from Operation: 88-86=2 Current State: 79:[12, 65, 2], Operations: ['88-86=2'] Exploring Operation: 12+65=77, Resulting Numbers: [2, 77] Generated Node #3: [2, 77] from Operation: 12+65=77 Current State: 79:[2, 77], Operations: ['88-86=2', '12+65=77'] Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[86, 88, 12, 65], Operations: [] Exploring Operation: 12+65=77, Resulting Numbers: [86, 88, 77] Generated Node #0,0: 79:[86, 88, 77] Operation: 12+65=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[86, 88, 77], Operations: ['12+65=77'] Exploring Operation: 88-77=11, Resulting Numbers: [86, 11] Generated Node #0,0,0: 79:[86, 11] Operation: 88-77=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[86, 11], Operations: ['12+65=77', '88-77=11'] Exploring Operation: 86-11=75, Resulting Numbers: [75] 75,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 69, 60, 83, 27 ]
47
[ "69-60=9", "83-27=56", "56-9=47" ]
Current State: 47:[69, 60, 83, 27], Operations: [] Exploring Operation: 69-60=9, Resulting Numbers: [83, 27, 9] Generated Node #2: [83, 27, 9] from Operation: 69-60=9 Current State: 47:[83, 27, 9], Operations: ['69-60=9'] Exploring Operation: 83-27=56, Resulting Numbers: [9, 56] Generated Node #3: [9, 56] from Operation: 83-27=56 Current State: 47:[9, 56], Operations: ['69-60=9', '83-27=56'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[69, 60, 83, 27], Operations: [] Exploring Operation: 83-27=56, Resulting Numbers: [69, 60, 56] Generated Node #0,0: 47:[69, 60, 56] Operation: 83-27=56 Exploring Operation: 69-27=42, Resulting Numbers: [60, 83, 42] Generated Node #0,1: 47:[60, 83, 42] Operation: 69-27=42 Moving to Node #0,0 Current State: 47:[69, 60, 56], Operations: ['83-27=56'] Exploring Operation: 69-56=13, Resulting Numbers: [60, 13] Generated Node #0,0,0: 47:[60, 13] Operation: 69-56=13 Exploring Operation: 69-60=9, Resulting Numbers: [56, 9] Generated Node #0,0,1: 47:[56, 9] Operation: 69-60=9 Moving to Node #0,1 Current State: 47:[60, 83, 42], Operations: ['69-27=42'] Exploring Operation: 83-42=41, Resulting Numbers: [60, 41] Generated Node #0,1,0: 47:[60, 41] Operation: 83-42=41 Exploring Operation: 83-60=23, Resulting Numbers: [42, 23] Generated Node #0,1,1: 47:[42, 23] Operation: 83-60=23 Moving to Node #0,1,0 Current State: 47:[60, 41], Operations: ['69-27=42', '83-42=41'] Exploring Operation: 60+41=101, Resulting Numbers: [101] 101,47 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[42, 23], Operations: ['69-27=42', '83-60=23'] Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,47 unequal: No Solution Exploring Operation: 42+23=65, Resulting Numbers: [65] 65,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[56, 9], Operations: ['83-27=56', '69-60=9'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[69, 60, 83, 27], Operations: [] Exploring Operation: 83-27=56, Resulting Numbers: [69, 60, 56] Generated Node #0,0: 47:[69, 60, 56] Operation: 83-27=56 Moving to Node #0,0 Current State: 47:[69, 60, 56], Operations: ['83-27=56'] Exploring Operation: 69-60=9, Resulting Numbers: [56, 9] Generated Node #0,0,1: 47:[56, 9] Operation: 69-60=9 Moving to Node #0,0,1 Current State: 47:[56, 9], Operations: ['83-27=56', '69-60=9'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 40, 74, 37, 61 ]
16
[ "40+74=114", "37+61=98", "114-98=16" ]
Current State: 16:[40, 74, 37, 61], Operations: [] Exploring Operation: 40+74=114, Resulting Numbers: [37, 61, 114] Generated Node #2: [37, 61, 114] from Operation: 40+74=114 Current State: 16:[37, 61, 114], Operations: ['40+74=114'] Exploring Operation: 37+61=98, Resulting Numbers: [114, 98] Generated Node #3: [114, 98] from Operation: 37+61=98 Current State: 16:[114, 98], Operations: ['40+74=114', '37+61=98'] Exploring Operation: 114-98=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[40, 74, 37, 61], Operations: [] Exploring Operation: 74/37=2, Resulting Numbers: [40, 61, 2] Generated Node #0,0: 16:[40, 61, 2] Operation: 74/37=2 Exploring Operation: 74-61=13, Resulting Numbers: [40, 37, 13] Generated Node #0,1: 16:[40, 37, 13] Operation: 74-61=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[40, 37, 13], Operations: ['74-61=13'] Exploring Operation: 40-13=27, Resulting Numbers: [37, 27] Generated Node #0,1,0: 16:[37, 27] Operation: 40-13=27 Exploring Operation: 40-37=3, Resulting Numbers: [13, 3] Generated Node #0,1,1: 16:[13, 3] Operation: 40-37=3 Moving to Node #0,1,1 Current State: 16:[13, 3], Operations: ['74-61=13', '40-37=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[40, 74, 37, 61], Operations: [] Exploring Operation: 74-61=13, Resulting Numbers: [40, 37, 13] Generated Node #0,1: 16:[40, 37, 13] Operation: 74-61=13 Moving to Node #0,1 Current State: 16:[40, 37, 13], Operations: ['74-61=13'] Exploring Operation: 40-37=3, Resulting Numbers: [13, 3] Generated Node #0,1,1: 16:[13, 3] Operation: 40-37=3 Moving to Node #0,1,1 Current State: 16:[13, 3], Operations: ['74-61=13', '40-37=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 82, 6, 21, 3 ]
63
[ "82-21=61", "6/3=2", "61+2=63" ]
Current State: 63:[82, 6, 21, 3], Operations: [] Exploring Operation: 82-21=61, Resulting Numbers: [6, 3, 61] Generated Node #2: [6, 3, 61] from Operation: 82-21=61 Current State: 63:[6, 3, 61], Operations: ['82-21=61'] Exploring Operation: 6/3=2, Resulting Numbers: [61, 2] Generated Node #3: [61, 2] from Operation: 6/3=2 Current State: 63:[61, 2], Operations: ['82-21=61', '6/3=2'] Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[82, 6, 21, 3], Operations: [] Exploring Operation: 82-21=61, Resulting Numbers: [6, 3, 61] Generated Node #0,0: 63:[6, 3, 61] Operation: 82-21=61 Moving to Node #0,0 Current State: 63:[6, 3, 61], Operations: ['82-21=61'] Exploring Operation: 6+3=9, Resulting Numbers: [61, 9] Generated Node #0,0,0: 63:[61, 9] Operation: 6+3=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[61, 9], Operations: ['82-21=61', '6+3=9'] Exploring Operation: 61+9=70, Resulting Numbers: [70] 70,63 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
[ 81, 86, 64, 62 ]
41
[ "81+86=167", "64+62=126", "167-126=41" ]
Current State: 41:[81, 86, 64, 62], Operations: [] Exploring Operation: 81+86=167, Resulting Numbers: [64, 62, 167] Generated Node #2: [64, 62, 167] from Operation: 81+86=167 Current State: 41:[64, 62, 167], Operations: ['81+86=167'] Exploring Operation: 64+62=126, Resulting Numbers: [167, 126] Generated Node #3: [167, 126] from Operation: 64+62=126 Current State: 41:[167, 126], Operations: ['81+86=167', '64+62=126'] Exploring Operation: 167-126=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[81, 86, 64, 62], Operations: [] Exploring Operation: 86-64=22, Resulting Numbers: [81, 62, 22] Generated Node #0,0: 41:[81, 62, 22] Operation: 86-64=22 Exploring Operation: 86-81=5, Resulting Numbers: [64, 62, 5] Generated Node #0,1: 41:[64, 62, 5] Operation: 86-81=5 Exploring Operation: 81-64=17, Resulting Numbers: [86, 62, 17] Generated Node #0,2: 41:[86, 62, 17] Operation: 81-64=17 Exploring Operation: 81-62=19, Resulting Numbers: [86, 64, 19] Generated Node #0,3: 41:[86, 64, 19] Operation: 81-62=19 Exploring Operation: 86-62=24, Resulting Numbers: [81, 64, 24] Generated Node #0,4: 41:[81, 64, 24] Operation: 86-62=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[81, 62, 22], Operations: ['86-64=22'] Exploring Operation: 62-22=40, Resulting Numbers: [81, 40] Generated Node #0,0,0: 41:[81, 40] Operation: 62-22=40 Exploring Operation: 81+22=103, Resulting Numbers: [62, 103] Generated Node #0,0,1: 41:[62, 103] Operation: 81+22=103 Exploring Operation: 81-62=19, Resulting Numbers: [22, 19] Generated Node #0,0,2: 41:[22, 19] Operation: 81-62=19 Exploring Operation: 62+22=84, Resulting Numbers: [81, 84] Generated Node #0,0,3: 41:[81, 84] Operation: 62+22=84 Exploring Operation: 81-22=59, Resulting Numbers: [62, 59] Generated Node #0,0,4: 41:[62, 59] Operation: 81-22=59 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 41:[62, 59], Operations: ['86-64=22', '81-22=59'] Exploring Operation: 62-59=3, Resulting Numbers: [3] 3,41 unequal: No Solution Exploring Operation: 62+59=121, Resulting Numbers: [121] 121,41 unequal: No Solution Exploring Operation: 62*59=3658, Resulting Numbers: [3658] 3658,41 unequal: No Solution No 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: 41:[81, 40], Operations: ['86-64=22', '62-22=40'] Exploring Operation: 81*40=3240, Resulting Numbers: [3240] 3240,41 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[81, 86, 64, 62], Operations: [] Exploring Operation: 86-64=22, Resulting Numbers: [81, 62, 22] Generated Node #0,0: 41:[81, 62, 22] Operation: 86-64=22 Moving to Node #0,0 Current State: 41:[81, 62, 22], Operations: ['86-64=22'] Exploring Operation: 62-22=40, Resulting Numbers: [81, 40] Generated Node #0,0,0: 41:[81, 40] Operation: 62-22=40 Moving to Node #0,0,0 Current State: 41:[81, 40], Operations: ['86-64=22', '62-22=40'] Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 55, 2, 95, 4 ]
19
[ "55*2=110", "95-4=91", "110-91=19" ]
Current State: 19:[55, 2, 95, 4], Operations: [] Exploring Operation: 55*2=110, Resulting Numbers: [95, 4, 110] Generated Node #2: [95, 4, 110] from Operation: 55*2=110 Current State: 19:[95, 4, 110], Operations: ['55*2=110'] Exploring Operation: 95-4=91, Resulting Numbers: [110, 91] Generated Node #3: [110, 91] from Operation: 95-4=91 Current State: 19:[110, 91], Operations: ['55*2=110', '95-4=91'] Exploring Operation: 110-91=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[55, 2, 95, 4], Operations: [] Exploring Operation: 95-2=93, Resulting Numbers: [55, 4, 93] Generated Node #0,0: 19:[55, 4, 93] Operation: 95-2=93 Exploring Operation: 2*4=8, Resulting Numbers: [55, 95, 8] Generated Node #0,1: 19:[55, 95, 8] Operation: 2*4=8 Exploring Operation: 55-4=51, Resulting Numbers: [2, 95, 51] Generated Node #0,2: 19:[2, 95, 51] Operation: 55-4=51 Exploring Operation: 55-2=53, Resulting Numbers: [95, 4, 53] Generated Node #0,3: 19:[95, 4, 53] Operation: 55-2=53 Exploring Operation: 95-55=40, Resulting Numbers: [2, 4, 40] Generated Node #0,4: 19:[2, 4, 40] Operation: 95-55=40 Start Sub Search at level 1: Moving to Node #0,4 Current State: 19:[2, 4, 40], Operations: ['95-55=40'] Exploring Operation: 40/4=10, Resulting Numbers: [2, 10] Generated Node #0,4,0: 19:[2, 10] Operation: 40/4=10 Exploring Operation: 40-2=38, Resulting Numbers: [4, 38] Generated Node #0,4,1: 19:[4, 38] Operation: 40-2=38 Exploring Operation: 2+4=6, Resulting Numbers: [40, 6] Generated Node #0,4,2: 19:[40, 6] Operation: 2+4=6 Exploring Operation: 40/2=20, Resulting Numbers: [4, 20] Generated Node #0,4,3: 19:[4, 20] Operation: 40/2=20 Exploring Operation: 2*4=8, Resulting Numbers: [40, 8] Generated Node #0,4,4: 19:[40, 8] Operation: 2*4=8 Moving to Node #0,4,3 Current State: 19:[4, 20], Operations: ['95-55=40', '40/2=20'] Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,19 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,19 unequal: No Solution Moving to Node #0,4,0 Current State: 19:[2, 10], Operations: ['95-55=40', '40/4=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,19 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,19 unequal: No Solution Moving to Node #0,4,4 Current State: 19:[40, 8], Operations: ['95-55=40', '2*4=8'] Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,19 unequal: No Solution Exploring Operation: 40*8=320, Resulting Numbers: [320] 320,19 unequal: No Solution Moving to Node #0,4,1 Current State: 19:[4, 38], Operations: ['95-55=40', '40-2=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,19 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,19 unequal: No Solution Moving to Node #0,4,2 Current State: 19:[40, 6], Operations: ['95-55=40', '2+4=6'] Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[55, 95, 8], Operations: ['2*4=8'] Exploring Operation: 55+8=63, Resulting Numbers: [95, 63] Generated Node #0,1,0: 19:[95, 63] Operation: 55+8=63 Exploring Operation: 95+8=103, Resulting Numbers: [55, 103] Generated Node #0,1,1: 19:[55, 103] Operation: 95+8=103 Exploring Operation: 95-8=87, Resulting Numbers: [55, 87] Generated Node #0,1,2: 19:[55, 87] Operation: 95-8=87 Exploring Operation: 55-8=47, Resulting Numbers: [95, 47] Generated Node #0,1,3: 19:[95, 47] Operation: 55-8=47 Exploring Operation: 95-55=40, Resulting Numbers: [8, 40] Generated Node #0,1,4: 19:[8, 40] Operation: 95-55=40 Moving to Node #0,1,4 Current State: 19:[8, 40], Operations: ['2*4=8', '95-55=40'] Exploring Operation: 8*40=320, Resulting Numbers: [320] 320,19 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 8+40=48, Resulting Numbers: [48] 48,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[95, 47], Operations: ['2*4=8', '55-8=47'] Exploring Operation: 95*47=4465, Resulting Numbers: [4465] 4465,19 unequal: No Solution Exploring Operation: 95-47=48, Resulting Numbers: [48] 48,19 unequal: No Solution Exploring Operation: 95+47=142, Resulting Numbers: [142] 142,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[55, 87], Operations: ['2*4=8', '95-8=87'] Exploring Operation: 55*87=4785, Resulting Numbers: [4785] 4785,19 unequal: No Solution Exploring Operation: 87-55=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 55+87=142, Resulting Numbers: [142] 142,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[95, 63], Operations: ['2*4=8', '55+8=63'] Exploring Operation: 95+63=158, Resulting Numbers: [158] 158,19 unequal: No Solution Exploring Operation: 95*63=5985, Resulting Numbers: [5985] 5985,19 unequal: No Solution Exploring Operation: 95-63=32, Resulting Numbers: [32] 32,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[55, 103], Operations: ['2*4=8', '95+8=103'] Exploring Operation: 55+103=158, Resulting Numbers: [158] 158,19 unequal: No Solution Exploring Operation: 55*103=5665, Resulting Numbers: [5665] 5665,19 unequal: No Solution Exploring Operation: 103-55=48, Resulting Numbers: [48] 48,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[55, 4, 93], Operations: ['95-2=93'] Exploring Operation: 4+93=97, Resulting Numbers: [55, 97] Generated Node #0,0,0: 19:[55, 97] Operation: 4+93=97 Exploring Operation: 55+4=59, Resulting Numbers: [93, 59] Generated Node #0,0,1: 19:[93, 59] Operation: 55+4=59 Exploring Operation: 93-4=89, Resulting Numbers: [55, 89] Generated Node #0,0,2: 19:[55, 89] Operation: 93-4=89 Exploring Operation: 93-55=38, Resulting Numbers: [4, 38] Generated Node #0,0,3: 19:[4, 38] Operation: 93-55=38 Exploring Operation: 55-4=51, Resulting Numbers: [93, 51] Generated Node #0,0,4: 19:[93, 51] Operation: 55-4=51 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 19:[4, 38], Operations: ['95-2=93', '93-55=38'] Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,19 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 19:[55, 89], Operations: ['95-2=93', '93-4=89'] Exploring Operation: 89-55=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 55+89=144, Resulting Numbers: [144] 144,19 unequal: No Solution Exploring Operation: 55*89=4895, Resulting Numbers: [4895] 4895,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 19:[93, 51], Operations: ['95-2=93', '55-4=51'] Exploring Operation: 93*51=4743, Resulting Numbers: [4743] 4743,19 unequal: No Solution Exploring Operation: 93-51=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 93+51=144, Resulting Numbers: [144] 144,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[55, 97], Operations: ['95-2=93', '4+93=97'] Exploring Operation: 55*97=5335, Resulting Numbers: [5335] 5335,19 unequal: No Solution Exploring Operation: 55+97=152, Resulting Numbers: [152] 152,19 unequal: No Solution Exploring Operation: 97-55=42, Resulting Numbers: [42] 42,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 19:[93, 59], Operations: ['95-2=93', '55+4=59'] Exploring Operation: 93+59=152, Resulting Numbers: [152] 152,19 unequal: No Solution Exploring Operation: 93*59=5487, Resulting Numbers: [5487] 5487,19 unequal: No Solution Exploring Operation: 93-59=34, Resulting Numbers: [34] 34,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[2, 95, 51], Operations: ['55-4=51'] Exploring Operation: 2+95=97, Resulting Numbers: [51, 97] Generated Node #0,2,0: 19:[51, 97] Operation: 2+95=97 Exploring Operation: 51-2=49, Resulting Numbers: [95, 49] Generated Node #0,2,1: 19:[95, 49] Operation: 51-2=49 Exploring Operation: 2+51=53, Resulting Numbers: [95, 53] Generated Node #0,2,2: 19:[95, 53] Operation: 2+51=53 Exploring Operation: 95-51=44, Resulting Numbers: [2, 44] Generated Node #0,2,3: 19:[2, 44] Operation: 95-51=44 Exploring Operation: 95-2=93, Resulting Numbers: [51, 93] Generated Node #0,2,4: 19:[51, 93] Operation: 95-2=93 Moving to Node #0,2,3 Current State: 19:[2, 44], Operations: ['55-4=51', '95-51=44'] Exploring Operation: 2*44=88, Resulting Numbers: [88] 88,19 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,19 unequal: No Solution Moving to Node #0,2,4 Current State: 19:[51, 93], Operations: ['55-4=51', '95-2=93'] Exploring Operation: 51*93=4743, Resulting Numbers: [4743] 4743,19 unequal: No Solution Exploring Operation: 93-51=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 51+93=144, Resulting Numbers: [144] 144,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[95, 49], Operations: ['55-4=51', '51-2=49'] Exploring Operation: 95+49=144, Resulting Numbers: [144] 144,19 unequal: No Solution Exploring Operation: 95-49=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 95*49=4655, Resulting Numbers: [4655] 4655,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[51, 97], Operations: ['55-4=51', '2+95=97'] Exploring Operation: 97-51=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 51*97=4947, Resulting Numbers: [4947] 4947,19 unequal: No Solution Exploring Operation: 51+97=148, Resulting Numbers: [148] 148,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[95, 53], Operations: ['55-4=51', '2+51=53'] Exploring Operation: 95-53=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 95+53=148, Resulting Numbers: [148] 148,19 unequal: No Solution Exploring Operation: 95*53=5035, Resulting Numbers: [5035] 5035,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 19:[95, 4, 53], Operations: ['55-2=53'] Exploring Operation: 4+53=57, Resulting Numbers: [95, 57] Generated Node #0,3,0: 19:[95, 57] Operation: 4+53=57 Exploring Operation: 95-53=42, Resulting Numbers: [4, 42] Generated Node #0,3,1: 19:[4, 42] Operation: 95-53=42 Exploring Operation: 53-4=49, Resulting Numbers: [95, 49] Generated Node #0,3,2: 19:[95, 49] Operation: 53-4=49 Exploring Operation: 95+4=99, Resulting Numbers: [53, 99] Generated Node #0,3,3: 19:[53, 99] Operation: 95+4=99 Exploring Operation: 95-4=91, Resulting Numbers: [53, 91] Generated Node #0,3,4: 19:[53, 91] Operation: 95-4=91 Moving to Node #0,3,1 Current State: 19:[4, 42], Operations: ['55-2=53', '95-53=42'] Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 4*42=168, Resulting Numbers: [168] 168,19 unequal: No Solution Moving to Node #0,3,4 Current State: 19:[53, 91], Operations: ['55-2=53', '95-4=91'] Exploring Operation: 53+91=144, Resulting Numbers: [144] 144,19 unequal: No Solution Exploring Operation: 53*91=4823, Resulting Numbers: [4823] 4823,19 unequal: No Solution Exploring Operation: 91-53=38, Resulting Numbers: [38] 38,19 unequal: No Solution Moving to Node #0,3,2 Current State: 19:[95, 49], Operations: ['55-2=53', '53-4=49'] Exploring Operation: 95-49=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 95+49=144, Resulting Numbers: [144] 144,19 unequal: No Solution Exploring Operation: 95*49=4655, Resulting Numbers: [4655] 4655,19 unequal: No Solution Moving to Node #0,3,0 Current State: 19:[95, 57], Operations: ['55-2=53', '4+53=57'] Exploring Operation: 95*57=5415, Resulting Numbers: [5415] 5415,19 unequal: No Solution Exploring Operation: 95-57=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 95+57=152, Resulting Numbers: [152] 152,19 unequal: No Solution Moving to Node #0,3,3 Current State: 19:[53, 99], Operations: ['55-2=53', '95+4=99'] Exploring Operation: 99-53=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 53*99=5247, Resulting Numbers: [5247] 5247,19 unequal: No Solution Exploring Operation: 53+99=152, Resulting Numbers: [152] 152,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 57, 38, 29, 91 ]
33
[ "57+38=95", "91-29=62", "95-62=33" ]
Current State: 33:[57, 38, 29, 91], Operations: [] Exploring Operation: 57+38=95, Resulting Numbers: [29, 91, 95] Generated Node #2: [29, 91, 95] from Operation: 57+38=95 Current State: 33:[29, 91, 95], Operations: ['57+38=95'] Exploring Operation: 91-29=62, Resulting Numbers: [95, 62] Generated Node #3: [95, 62] from Operation: 91-29=62 Current State: 33:[95, 62], Operations: ['57+38=95', '91-29=62'] Exploring Operation: 95-62=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[57, 38, 29, 91], Operations: [] Exploring Operation: 91-57=34, Resulting Numbers: [38, 29, 34] Generated Node #0,0: 33:[38, 29, 34] Operation: 91-57=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[38, 29, 34], Operations: ['91-57=34'] Exploring Operation: 38-29=9, Resulting Numbers: [34, 9] Generated Node #0,0,0: 33:[34, 9] Operation: 38-29=9 Moving to Node #0,0,0 Current State: 33:[34, 9], Operations: ['91-57=34', '38-29=9'] Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,33 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
[ 96, 71, 96, 32 ]
71
[ "96-96=0", "32*0=0", "71+0=71" ]
Current State: 71:[96, 71, 96, 32], Operations: [] Exploring Operation: 96-96=0, Resulting Numbers: [71, 32, 0] Generated Node #2: [71, 32, 0] from Operation: 96-96=0 Current State: 71:[71, 32, 0], Operations: ['96-96=0'] Exploring Operation: 32*0=0, Resulting Numbers: [71, 0] Generated Node #3: [71, 0] from Operation: 32*0=0 Current State: 71:[71, 0], Operations: ['96-96=0', '32*0=0'] Exploring Operation: 71+0=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[96, 71, 96, 32], Operations: [] Exploring Operation: 96-32=64, Resulting Numbers: [71, 96, 64] Generated Node #0,0: 71:[71, 96, 64] Operation: 96-32=64 Moving to Node #0,0 Current State: 71:[71, 96, 64], Operations: ['96-32=64'] Exploring Operation: 96-64=32, Resulting Numbers: [71, 32] Generated Node #0,0,0: 71:[71, 32] Operation: 96-64=32 Moving to Node #0,0,0 Current State: 71:[71, 32], Operations: ['96-32=64', '96-64=32'] Exploring Operation: 71+32=103, Resulting Numbers: [103] 103,71 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 1, 10, 97, 59 ]
47
[ "10-1=9", "97-59=38", "9+38=47" ]
Current State: 47:[1, 10, 97, 59], Operations: [] Exploring Operation: 10-1=9, Resulting Numbers: [97, 59, 9] Generated Node #2: [97, 59, 9] from Operation: 10-1=9 Current State: 47:[97, 59, 9], Operations: ['10-1=9'] Exploring Operation: 97-59=38, Resulting Numbers: [9, 38] Generated Node #3: [9, 38] from Operation: 97-59=38 Current State: 47:[9, 38], Operations: ['10-1=9', '97-59=38'] Exploring Operation: 9+38=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[1, 10, 97, 59], Operations: [] Exploring Operation: 97-1=96, Resulting Numbers: [10, 59, 96] Generated Node #0,0: 47:[10, 59, 96] Operation: 97-1=96 Exploring Operation: 1+10=11, Resulting Numbers: [97, 59, 11] Generated Node #0,1: 47:[97, 59, 11] Operation: 1+10=11 Exploring Operation: 59-1=58, Resulting Numbers: [10, 97, 58] Generated Node #0,2: 47:[10, 97, 58] Operation: 59-1=58 Exploring Operation: 97-59=38, Resulting Numbers: [1, 10, 38] Generated Node #0,3: 47:[1, 10, 38] Operation: 97-59=38 Start Sub Search at level 1: Moving to Node #0,3 Current State: 47:[1, 10, 38], Operations: ['97-59=38'] Exploring Operation: 10/1=10, Resulting Numbers: [38, 10] Generated Node #0,3,0: 47:[38, 10] Operation: 10/1=10 Exploring Operation: 1+38=39, Resulting Numbers: [10, 39] Generated Node #0,3,1: 47:[10, 39] Operation: 1+38=39 Exploring Operation: 1+10=11, Resulting Numbers: [38, 11] Generated Node #0,3,2: 47:[38, 11] Operation: 1+10=11 Exploring Operation: 1*10=10, Resulting Numbers: [38, 10] Generated Node #0,3,3: 47:[38, 10] Operation: 1*10=10 Moving to Node #0,3,1 Current State: 47:[10, 39], Operations: ['97-59=38', '1+38=39'] Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,47 unequal: No Solution Moving to Node #0,3,2 Current State: 47:[38, 11], Operations: ['97-59=38', '1+10=11'] Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,47 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,47 unequal: No Solution Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[38, 10], Operations: ['97-59=38', '1*10=10'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,47 unequal: No Solution Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,47 unequal: No Solution Moving to Node #0,3,0 Current State: 47:[38, 10], Operations: ['97-59=38', '10/1=10'] Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,47 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[10, 59, 96], Operations: ['97-1=96'] Exploring Operation: 10+59=69, Resulting Numbers: [96, 69] Generated Node #0,0,0: 47:[96, 69] Operation: 10+59=69 Exploring Operation: 96-10=86, Resulting Numbers: [59, 86] Generated Node #0,0,1: 47:[59, 86] Operation: 96-10=86 Exploring Operation: 59-10=49, Resulting Numbers: [96, 49] Generated Node #0,0,2: 47:[96, 49] Operation: 59-10=49 Exploring Operation: 96-59=37, Resulting Numbers: [10, 37] Generated Node #0,0,3: 47:[10, 37] Operation: 96-59=37 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 47:[10, 37], Operations: ['97-1=96', '96-59=37'] Exploring Operation: 10+37=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[1, 10, 97, 59], Operations: [] Exploring Operation: 97-1=96, Resulting Numbers: [10, 59, 96] Generated Node #0,0: 47:[10, 59, 96] Operation: 97-1=96 Moving to Node #0,0 Current State: 47:[10, 59, 96], Operations: ['97-1=96'] Exploring Operation: 96-59=37, Resulting Numbers: [10, 37] Generated Node #0,0,3: 47:[10, 37] Operation: 96-59=37 Moving to Node #0,0,3 Current State: 47:[10, 37], Operations: ['97-1=96', '96-59=37'] Exploring Operation: 10+37=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 20, 23, 2, 75 ]
76
[ "23-20=3", "75-2=73", "3+73=76" ]
Current State: 76:[20, 23, 2, 75], Operations: [] Exploring Operation: 23-20=3, Resulting Numbers: [2, 75, 3] Generated Node #2: [2, 75, 3] from Operation: 23-20=3 Current State: 76:[2, 75, 3], Operations: ['23-20=3'] Exploring Operation: 75-2=73, Resulting Numbers: [3, 73] Generated Node #3: [3, 73] from Operation: 75-2=73 Current State: 76:[3, 73], Operations: ['23-20=3', '75-2=73'] Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[20, 23, 2, 75], Operations: [] Exploring Operation: 23-2=21, Resulting Numbers: [20, 75, 21] Generated Node #0,0: 76:[20, 75, 21] Operation: 23-2=21 Exploring Operation: 20+23=43, Resulting Numbers: [2, 75, 43] Generated Node #0,1: 76:[2, 75, 43] Operation: 20+23=43 Exploring Operation: 23-20=3, Resulting Numbers: [2, 75, 3] Generated Node #0,2: 76:[2, 75, 3] Operation: 23-20=3 Exploring Operation: 20-2=18, Resulting Numbers: [23, 75, 18] Generated Node #0,3: 76:[23, 75, 18] Operation: 20-2=18 Exploring Operation: 2+75=77, Resulting Numbers: [20, 23, 77] Generated Node #0,4: 76:[20, 23, 77] Operation: 2+75=77 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[2, 75, 3], Operations: ['23-20=3'] Exploring Operation: 2*3=6, Resulting Numbers: [75, 6] Generated Node #0,2,0: 76:[75, 6] Operation: 2*3=6 Exploring Operation: 75+3=78, Resulting Numbers: [2, 78] Generated Node #0,2,1: 76:[2, 78] Operation: 75+3=78 Exploring Operation: 3-2=1, Resulting Numbers: [75, 1] Generated Node #0,2,2: 76:[75, 1] Operation: 3-2=1 Exploring Operation: 2+75=77, Resulting Numbers: [3, 77] Generated Node #0,2,3: 76:[3, 77] Operation: 2+75=77 Exploring Operation: 2+3=5, Resulting Numbers: [75, 5] Generated Node #0,2,4: 76:[75, 5] Operation: 2+3=5 Moving to Node #0,2,1 Current State: 76:[2, 78], Operations: ['23-20=3', '75+3=78'] Exploring Operation: 2*78=156, Resulting Numbers: [156] 156,76 unequal: No Solution Exploring Operation: 2+78=80, Resulting Numbers: [80] 80,76 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[20, 23, 2, 75], Operations: [] Exploring Operation: 23-20=3, Resulting Numbers: [2, 75, 3] Generated Node #0,2: 76:[2, 75, 3] Operation: 23-20=3 Moving to Node #0,2 Current State: 76:[2, 75, 3], Operations: ['23-20=3'] Exploring Operation: 75+3=78, Resulting Numbers: [2, 78] Generated Node #0,2,1: 76:[2, 78] Operation: 75+3=78 Moving to Node #0,2,1 Current State: 76:[2, 78], Operations: ['23-20=3', '75+3=78'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 44, 71, 68, 37 ]
67
[ "71-68=3", "37*3=111", "111-44=67" ]
Current State: 67:[44, 71, 68, 37], Operations: [] Exploring Operation: 71-68=3, Resulting Numbers: [44, 37, 3] Generated Node #2: [44, 37, 3] from Operation: 71-68=3 Current State: 67:[44, 37, 3], Operations: ['71-68=3'] Exploring Operation: 37*3=111, Resulting Numbers: [44, 111] Generated Node #3: [44, 111] from Operation: 37*3=111 Current State: 67:[44, 111], Operations: ['71-68=3', '37*3=111'] Exploring Operation: 111-44=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[44, 71, 68, 37], Operations: [] Exploring Operation: 68-37=31, Resulting Numbers: [44, 71, 31] Generated Node #0,0: 67:[44, 71, 31] Operation: 68-37=31 Exploring Operation: 44-37=7, Resulting Numbers: [71, 68, 7] Generated Node #0,1: 67:[71, 68, 7] Operation: 44-37=7 Exploring Operation: 71-37=34, Resulting Numbers: [44, 68, 34] Generated Node #0,2: 67:[44, 68, 34] Operation: 71-37=34 Exploring Operation: 44+37=81, Resulting Numbers: [71, 68, 81] Generated Node #0,3: 67:[71, 68, 81] Operation: 44+37=81 Start Sub Search at level 1: Moving to Node #0,3 Current State: 67:[71, 68, 81], Operations: ['44+37=81'] Exploring Operation: 81-71=10, Resulting Numbers: [68, 10] Generated Node #0,3,0: 67:[68, 10] Operation: 81-71=10 Exploring Operation: 71-68=3, Resulting Numbers: [81, 3] Generated Node #0,3,1: 67:[81, 3] Operation: 71-68=3 Exploring Operation: 81-68=13, Resulting Numbers: [71, 13] Generated Node #0,3,2: 67:[71, 13] Operation: 81-68=13 Exploring Operation: 71+68=139, Resulting Numbers: [81, 139] Generated Node #0,3,3: 67:[81, 139] Operation: 71+68=139 Moving to Node #0,3,0 Current State: 67:[68, 10], Operations: ['44+37=81', '81-71=10'] Exploring Operation: 68*10=680, Resulting Numbers: [680] 680,67 unequal: No Solution Exploring Operation: 68+10=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,67 unequal: No Solution Moving to Node #0,3,2 Current State: 67:[71, 13], Operations: ['44+37=81', '81-68=13'] Exploring Operation: 71*13=923, Resulting Numbers: [923] 923,67 unequal: No Solution Exploring Operation: 71+13=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[81, 3], Operations: ['44+37=81', '71-68=3'] Exploring Operation: 81*3=243, Resulting Numbers: [243] 243,67 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,67 unequal: No Solution Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[81, 139], Operations: ['44+37=81', '71+68=139'] Exploring Operation: 81*139=11259, Resulting Numbers: [11259] 11259,67 unequal: No Solution Exploring Operation: 81+139=220, Resulting Numbers: [220] 220,67 unequal: No Solution Exploring Operation: 139-81=58, Resulting Numbers: [58] 58,67 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 #0,2 Current State: 67:[44, 68, 34], Operations: ['71-37=34'] Exploring Operation: 44-34=10, Resulting Numbers: [68, 10] Generated Node #0,2,0: 67:[68, 10] Operation: 44-34=10 Exploring Operation: 68-34=34, Resulting Numbers: [44, 34] Generated Node #0,2,1: 67:[44, 34] Operation: 68-34=34 Exploring Operation: 68+34=102, Resulting Numbers: [44, 102] Generated Node #0,2,2: 67:[44, 102] Operation: 68+34=102 Exploring Operation: 44+34=78, Resulting Numbers: [68, 78] Generated Node #0,2,3: 67:[68, 78] Operation: 44+34=78 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 67:[68, 78], Operations: ['71-37=34', '44+34=78'] Exploring Operation: 68+78=146, Resulting Numbers: [146] 146,67 unequal: No Solution Exploring Operation: 78-68=10, Resulting Numbers: [10] 10,67 unequal: No Solution Exploring Operation: 68*78=5304, Resulting Numbers: [5304] 5304,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 67:[44, 34], Operations: ['71-37=34', '68-34=34'] Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,67 unequal: No Solution Exploring Operation: 44*34=1496, Resulting Numbers: [1496] 1496,67 unequal: No Solution Exploring Operation: 44+34=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[68, 10], Operations: ['71-37=34', '44-34=10'] Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 68*10=680, Resulting Numbers: [680] 680,67 unequal: No Solution Exploring Operation: 68+10=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 67:[44, 102], Operations: ['71-37=34', '68+34=102'] Exploring Operation: 44*102=4488, Resulting Numbers: [4488] 4488,67 unequal: No Solution Exploring Operation: 102-44=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 44+102=146, Resulting Numbers: [146] 146,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[44, 71, 31], Operations: ['68-37=31'] Exploring Operation: 71-31=40, Resulting Numbers: [44, 40] Generated Node #0,0,0: 67:[44, 40] Operation: 71-31=40 Exploring Operation: 44+31=75, Resulting Numbers: [71, 75] Generated Node #0,0,1: 67:[71, 75] Operation: 44+31=75 Exploring Operation: 44-31=13, Resulting Numbers: [71, 13] Generated Node #0,0,2: 67:[71, 13] Operation: 44-31=13 Exploring Operation: 71+31=102, Resulting Numbers: [44, 102] Generated Node #0,0,3: 67:[44, 102] Operation: 71+31=102 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[71, 75], Operations: ['68-37=31', '44+31=75'] Exploring Operation: 71*75=5325, Resulting Numbers: [5325] 5325,67 unequal: No Solution Exploring Operation: 71+75=146, Resulting Numbers: [146] 146,67 unequal: No Solution Exploring Operation: 75-71=4, Resulting Numbers: [4] 4,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[44, 40], Operations: ['68-37=31', '71-31=40'] Exploring Operation: 44*40=1760, Resulting Numbers: [1760] 1760,67 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 44+40=84, Resulting Numbers: [84] 84,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 67:[71, 13], Operations: ['68-37=31', '44-31=13'] Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 71+13=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 71*13=923, Resulting Numbers: [923] 923,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 67:[44, 102], Operations: ['68-37=31', '71+31=102'] Exploring Operation: 44+102=146, Resulting Numbers: [146] 146,67 unequal: No Solution Exploring Operation: 102-44=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 44*102=4488, Resulting Numbers: [4488] 4488,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[71, 68, 7], Operations: ['44-37=7'] Exploring Operation: 68+7=75, Resulting Numbers: [71, 75] Generated Node #0,1,0: 67:[71, 75] Operation: 68+7=75 Exploring Operation: 71-7=64, Resulting Numbers: [68, 64] Generated Node #0,1,1: 67:[68, 64] Operation: 71-7=64 Exploring Operation: 71+7=78, Resulting Numbers: [68, 78] Generated Node #0,1,2: 67:[68, 78] Operation: 71+7=78 Exploring Operation: 68-7=61, Resulting Numbers: [71, 61] Generated Node #0,1,3: 67:[71, 61] Operation: 68-7=61 Moving to Node #0,1,1 Current State: 67:[68, 64], Operations: ['44-37=7', '71-7=64'] Exploring Operation: 68*64=4352, Resulting Numbers: [4352] 4352,67 unequal: No Solution Exploring Operation: 68-64=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 68+64=132, Resulting Numbers: [132] 132,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[71, 61], Operations: ['44-37=7', '68-7=61'] Exploring Operation: 71+61=132, Resulting Numbers: [132] 132,67 unequal: No Solution Exploring Operation: 71*61=4331, Resulting Numbers: [4331] 4331,67 unequal: No Solution Exploring Operation: 71-61=10, Resulting Numbers: [10] 10,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[68, 78], Operations: ['44-37=7', '71+7=78'] Exploring Operation: 78-68=10, Resulting Numbers: [10] 10,67 unequal: No Solution Exploring Operation: 68*78=5304, Resulting Numbers: [5304] 5304,67 unequal: No Solution Exploring Operation: 68+78=146, Resulting Numbers: [146] 146,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[71, 75], Operations: ['44-37=7', '68+7=75'] Exploring Operation: 75-71=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 71*75=5325, Resulting Numbers: [5325] 5325,67 unequal: No Solution Exploring Operation: 71+75=146, Resulting Numbers: [146] 146,67 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
[ 69, 41, 18, 47 ]
45
[ "69+41=110", "18+47=65", "110-65=45" ]
Current State: 45:[69, 41, 18, 47], Operations: [] Exploring Operation: 69+41=110, Resulting Numbers: [18, 47, 110] Generated Node #2: [18, 47, 110] from Operation: 69+41=110 Current State: 45:[18, 47, 110], Operations: ['69+41=110'] Exploring Operation: 18+47=65, Resulting Numbers: [110, 65] Generated Node #3: [110, 65] from Operation: 18+47=65 Current State: 45:[110, 65], Operations: ['69+41=110', '18+47=65'] Exploring Operation: 110-65=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[69, 41, 18, 47], Operations: [] Exploring Operation: 69-18=51, Resulting Numbers: [41, 47, 51] Generated Node #0,0: 45:[41, 47, 51] Operation: 69-18=51 Moving to Node #0,0 Current State: 45:[41, 47, 51], Operations: ['69-18=51'] Exploring Operation: 51-41=10, Resulting Numbers: [47, 10] Generated Node #0,0,0: 45:[47, 10] Operation: 51-41=10 Moving to Node #0,0,0 Current State: 45:[47, 10], Operations: ['69-18=51', '51-41=10'] Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,45 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 26, 44, 43, 83 ]
30
[ "26+44=70", "83-43=40", "70-40=30" ]
Current State: 30:[26, 44, 43, 83], Operations: [] Exploring Operation: 26+44=70, Resulting Numbers: [43, 83, 70] Generated Node #2: [43, 83, 70] from Operation: 26+44=70 Current State: 30:[43, 83, 70], Operations: ['26+44=70'] Exploring Operation: 83-43=40, Resulting Numbers: [70, 40] Generated Node #3: [70, 40] from Operation: 83-43=40 Current State: 30:[70, 40], Operations: ['26+44=70', '83-43=40'] Exploring Operation: 70-40=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[26, 44, 43, 83], Operations: [] Exploring Operation: 83-26=57, Resulting Numbers: [44, 43, 57] Generated Node #0,0: 30:[44, 43, 57] Operation: 83-26=57 Exploring Operation: 83-43=40, Resulting Numbers: [26, 44, 40] Generated Node #0,1: 30:[26, 44, 40] Operation: 83-43=40 Exploring Operation: 83-44=39, Resulting Numbers: [26, 43, 39] Generated Node #0,2: 30:[26, 43, 39] Operation: 83-44=39 Exploring Operation: 44-43=1, Resulting Numbers: [26, 83, 1] Generated Node #0,3: 30:[26, 83, 1] Operation: 44-43=1 Moving to Node #0,2 Current State: 30:[26, 43, 39], Operations: ['83-44=39'] Exploring Operation: 26+43=69, Resulting Numbers: [39, 69] Generated Node #0,2,0: 30:[39, 69] Operation: 26+43=69 Exploring Operation: 43-39=4, Resulting Numbers: [26, 4] Generated Node #0,2,1: 30:[26, 4] Operation: 43-39=4 Exploring Operation: 43-26=17, Resulting Numbers: [39, 17] Generated Node #0,2,2: 30:[39, 17] Operation: 43-26=17 Exploring Operation: 39-26=13, Resulting Numbers: [43, 13] Generated Node #0,2,3: 30:[43, 13] Operation: 39-26=13 Moving to Node #0,1 Current State: 30:[26, 44, 40], Operations: ['83-43=40'] Exploring Operation: 44-40=4, Resulting Numbers: [26, 4] Generated Node #0,1,0: 30:[26, 4] Operation: 44-40=4 Exploring Operation: 44-26=18, Resulting Numbers: [40, 18] Generated Node #0,1,1: 30:[40, 18] Operation: 44-26=18 Exploring Operation: 40-26=14, Resulting Numbers: [44, 14] Generated Node #0,1,2: 30:[44, 14] Operation: 40-26=14 Exploring Operation: 26+44=70, Resulting Numbers: [40, 70] Generated Node #0,1,3: 30:[40, 70] Operation: 26+44=70 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[26, 4], Operations: ['83-43=40', '44-40=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[26, 44, 43, 83], Operations: [] Exploring Operation: 83-43=40, Resulting Numbers: [26, 44, 40] Generated Node #0,1: 30:[26, 44, 40] Operation: 83-43=40 Moving to Node #0,1 Current State: 30:[26, 44, 40], Operations: ['83-43=40'] Exploring Operation: 44-40=4, Resulting Numbers: [26, 4] Generated Node #0,1,0: 30:[26, 4] Operation: 44-40=4 Moving to Node #0,1,0 Current State: 30:[26, 4], Operations: ['83-43=40', '44-40=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 73, 67, 13, 53 ]
74
[ "73+67=140", "13+53=66", "140-66=74" ]
Current State: 74:[73, 67, 13, 53], Operations: [] Exploring Operation: 73+67=140, Resulting Numbers: [13, 53, 140] Generated Node #2: [13, 53, 140] from Operation: 73+67=140 Current State: 74:[13, 53, 140], Operations: ['73+67=140'] Exploring Operation: 13+53=66, Resulting Numbers: [140, 66] Generated Node #3: [140, 66] from Operation: 13+53=66 Current State: 74:[140, 66], Operations: ['73+67=140', '13+53=66'] Exploring Operation: 140-66=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[73, 67, 13, 53], Operations: [] Exploring Operation: 53-13=40, Resulting Numbers: [73, 67, 40] Generated Node #0,0: 74:[73, 67, 40] Operation: 53-13=40 Moving to Node #0,0 Current State: 74:[73, 67, 40], Operations: ['53-13=40'] Exploring Operation: 73-67=6, Resulting Numbers: [40, 6] Generated Node #0,0,0: 74:[40, 6] Operation: 73-67=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[40, 6], Operations: ['53-13=40', '73-67=6'] Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,74 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
[ 7, 97, 33, 71 ]
66
[ "7+97=104", "71-33=38", "104-38=66" ]
Current State: 66:[7, 97, 33, 71], Operations: [] Exploring Operation: 7+97=104, Resulting Numbers: [33, 71, 104] Generated Node #2: [33, 71, 104] from Operation: 7+97=104 Current State: 66:[33, 71, 104], Operations: ['7+97=104'] Exploring Operation: 71-33=38, Resulting Numbers: [104, 38] Generated Node #3: [104, 38] from Operation: 71-33=38 Current State: 66:[104, 38], Operations: ['7+97=104', '71-33=38'] Exploring Operation: 104-38=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[7, 97, 33, 71], Operations: [] Exploring Operation: 71-7=64, Resulting Numbers: [97, 33, 64] Generated Node #0,0: 66:[97, 33, 64] Operation: 71-7=64 Exploring Operation: 97-7=90, Resulting Numbers: [33, 71, 90] Generated Node #0,1: 66:[33, 71, 90] Operation: 97-7=90 Exploring Operation: 97-33=64, Resulting Numbers: [7, 71, 64] Generated Node #0,2: 66:[7, 71, 64] Operation: 97-33=64 Exploring Operation: 71-33=38, Resulting Numbers: [7, 97, 38] Generated Node #0,3: 66:[7, 97, 38] Operation: 71-33=38 Exploring Operation: 97-71=26, Resulting Numbers: [7, 33, 26] Generated Node #0,4: 66:[7, 33, 26] Operation: 97-71=26 Start Sub Search at level 1: Moving to Node #0,4 Current State: 66:[7, 33, 26], Operations: ['97-71=26'] Exploring Operation: 33-7=26, Resulting Numbers: [26, 26] Generated Node #0,4,0: 66:[26, 26] Operation: 33-7=26 Exploring Operation: 33-26=7, Resulting Numbers: [7, 7] Generated Node #0,4,1: 66:[7, 7] Operation: 33-26=7 Exploring Operation: 26-7=19, Resulting Numbers: [33, 19] Generated Node #0,4,2: 66:[33, 19] Operation: 26-7=19 Exploring Operation: 33+26=59, Resulting Numbers: [7, 59] Generated Node #0,4,3: 66:[7, 59] Operation: 33+26=59 Exploring Operation: 7+26=33, Resulting Numbers: [33, 33] Generated Node #0,4,4: 66:[33, 33] Operation: 7+26=33 Moving to Node #0,4,4 Current State: 66:[33, 33], Operations: ['97-71=26', '7+26=33'] Exploring Operation: 33-33=0, Resulting Numbers: [0] 0,66 unequal: No Solution Exploring Operation: 33*33=1089, Resulting Numbers: [1089] 1089,66 unequal: No Solution Exploring Operation: 33/33=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 33+33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[7, 97, 33, 71], Operations: [] Exploring Operation: 97-71=26, Resulting Numbers: [7, 33, 26] Generated Node #0,4: 66:[7, 33, 26] Operation: 97-71=26 Moving to Node #0,4 Current State: 66:[7, 33, 26], Operations: ['97-71=26'] Exploring Operation: 7+26=33, Resulting Numbers: [33, 33] Generated Node #0,4,4: 66:[33, 33] Operation: 7+26=33 Moving to Node #0,4,4 Current State: 66:[33, 33], Operations: ['97-71=26', '7+26=33'] Exploring Operation: 33+33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 5, 97, 39, 78 ]
98
[ "78-39=39", "5*39=195", "195-97=98" ]
Current State: 98:[5, 97, 39, 78], Operations: [] Exploring Operation: 78-39=39, Resulting Numbers: [5, 97, 39] Generated Node #2: [5, 97, 39] from Operation: 78-39=39 Current State: 98:[5, 97, 39], Operations: ['78-39=39'] Exploring Operation: 5*39=195, Resulting Numbers: [97, 195] Generated Node #3: [97, 195] from Operation: 5*39=195 Current State: 98:[97, 195], Operations: ['78-39=39', '5*39=195'] Exploring Operation: 195-97=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[5, 97, 39, 78], Operations: [] Exploring Operation: 5+39=44, Resulting Numbers: [97, 78, 44] Generated Node #0,0: 98:[97, 78, 44] Operation: 5+39=44 Exploring Operation: 78-39=39, Resulting Numbers: [5, 97, 39] Generated Node #0,1: 98:[5, 97, 39] Operation: 78-39=39 Exploring Operation: 78/39=2, Resulting Numbers: [5, 97, 2] Generated Node #0,2: 98:[5, 97, 2] Operation: 78/39=2 Exploring Operation: 39+78=117, Resulting Numbers: [5, 97, 117] Generated Node #0,3: 98:[5, 97, 117] Operation: 39+78=117 Exploring Operation: 97-78=19, Resulting Numbers: [5, 39, 19] Generated Node #0,4: 98:[5, 39, 19] Operation: 97-78=19 Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[5, 97, 2], Operations: ['78/39=2'] Exploring Operation: 5-2=3, Resulting Numbers: [97, 3] Generated Node #0,2,0: 98:[97, 3] Operation: 5-2=3 Exploring Operation: 5+2=7, Resulting Numbers: [97, 7] Generated Node #0,2,1: 98:[97, 7] Operation: 5+2=7 Exploring Operation: 5*2=10, Resulting Numbers: [97, 10] Generated Node #0,2,2: 98:[97, 10] Operation: 5*2=10 Exploring Operation: 97+2=99, Resulting Numbers: [5, 99] Generated Node #0,2,3: 98:[5, 99] Operation: 97+2=99 Exploring Operation: 5+97=102, Resulting Numbers: [2, 102] Generated Node #0,2,4: 98:[2, 102] Operation: 5+97=102 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 98:[97, 7], Operations: ['78/39=2', '5+2=7'] Exploring Operation: 97+7=104, Resulting Numbers: [104] 104,98 unequal: No Solution Exploring Operation: 97-7=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 97*7=679, Resulting Numbers: [679] 679,98 unequal: No Solution No 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: 98:[97, 3], Operations: ['78/39=2', '5-2=3'] Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,98 unequal: No Solution Exploring Operation: 97*3=291, Resulting Numbers: [291] 291,98 unequal: No Solution Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,98 unequal: No Solution No 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: 98:[5, 99], Operations: ['78/39=2', '97+2=99'] Exploring Operation: 5*99=495, Resulting Numbers: [495] 495,98 unequal: No Solution Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,98 unequal: No Solution Exploring Operation: 5+99=104, Resulting Numbers: [104] 104,98 unequal: No Solution No 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: 98:[97, 10], Operations: ['78/39=2', '5*2=10'] Exploring Operation: 97*10=970, Resulting Numbers: [970] 970,98 unequal: No Solution Exploring Operation: 97-10=87, Resulting Numbers: [87] 87,98 unequal: No Solution Exploring Operation: 97+10=107, Resulting Numbers: [107] 107,98 unequal: No Solution No 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: 98:[2, 102], Operations: ['78/39=2', '5+97=102'] Exploring Operation: 2*102=204, Resulting Numbers: [204] 204,98 unequal: No Solution Exploring Operation: 102-2=100, Resulting Numbers: [100] 100,98 unequal: No Solution Exploring Operation: 102/2=51, Resulting Numbers: [51] 51,98 unequal: No Solution Exploring Operation: 2+102=104, Resulting Numbers: [104] 104,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[5, 97, 39], Operations: ['78-39=39'] Exploring Operation: 39-5=34, Resulting Numbers: [97, 34] Generated Node #0,1,0: 98:[97, 34] Operation: 39-5=34 Exploring Operation: 5+39=44, Resulting Numbers: [97, 44] Generated Node #0,1,1: 98:[97, 44] Operation: 5+39=44 Exploring Operation: 97-5=92, Resulting Numbers: [39, 92] Generated Node #0,1,2: 98:[39, 92] Operation: 97-5=92 Exploring Operation: 5+97=102, Resulting Numbers: [39, 102] Generated Node #0,1,3: 98:[39, 102] Operation: 5+97=102 Exploring Operation: 97-39=58, Resulting Numbers: [5, 58] Generated Node #0,1,4: 98:[5, 58] Operation: 97-39=58 Moving to Node #0,1,1 Current State: 98:[97, 44], Operations: ['78-39=39', '5+39=44'] Exploring Operation: 97-44=53, Resulting Numbers: [53] 53,98 unequal: No Solution Exploring Operation: 97*44=4268, Resulting Numbers: [4268] 4268,98 unequal: No Solution Exploring Operation: 97+44=141, Resulting Numbers: [141] 141,98 unequal: No Solution Moving to Node #0,1,4 Current State: 98:[5, 58], Operations: ['78-39=39', '97-39=58'] Exploring Operation: 5+58=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,98 unequal: No Solution Exploring Operation: 5*58=290, Resulting Numbers: [290] 290,98 unequal: No Solution Moving to Node #0,1,3 Current State: 98:[39, 102], Operations: ['78-39=39', '5+97=102'] Exploring Operation: 39*102=3978, Resulting Numbers: [3978] 3978,98 unequal: No Solution Exploring Operation: 39+102=141, Resulting Numbers: [141] 141,98 unequal: No Solution Exploring Operation: 102-39=63, Resulting Numbers: [63] 63,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[97, 34], Operations: ['78-39=39', '39-5=34'] Exploring Operation: 97-34=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 97*34=3298, Resulting Numbers: [3298] 3298,98 unequal: No Solution Exploring Operation: 97+34=131, Resulting Numbers: [131] 131,98 unequal: No Solution Moving to Node #0,1,2 Current State: 98:[39, 92], Operations: ['78-39=39', '97-5=92'] Exploring Operation: 39+92=131, Resulting Numbers: [131] 131,98 unequal: No Solution Exploring Operation: 39*92=3588, Resulting Numbers: [3588] 3588,98 unequal: No Solution Exploring Operation: 92-39=53, Resulting Numbers: [53] 53,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 98:[5, 39, 19], Operations: ['97-78=19'] Exploring Operation: 39+19=58, Resulting Numbers: [5, 58] Generated Node #0,4,0: 98:[5, 58] Operation: 39+19=58 Exploring Operation: 39-19=20, Resulting Numbers: [5, 20] Generated Node #0,4,1: 98:[5, 20] Operation: 39-19=20 Exploring Operation: 19-5=14, Resulting Numbers: [39, 14] Generated Node #0,4,2: 98:[39, 14] Operation: 19-5=14 Exploring Operation: 5+39=44, Resulting Numbers: [19, 44] Generated Node #0,4,3: 98:[19, 44] Operation: 5+39=44 Exploring Operation: 5*19=95, Resulting Numbers: [39, 95] Generated Node #0,4,4: 98:[39, 95] Operation: 5*19=95 Moving to Node #0,4,1 Current State: 98:[5, 20], Operations: ['97-78=19', '39-19=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,98 unequal: No Solution Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,98 unequal: No Solution Moving to Node #0,4,3 Current State: 98:[19, 44], Operations: ['97-78=19', '5+39=44'] Exploring Operation: 19*44=836, Resulting Numbers: [836] 836,98 unequal: No Solution Exploring Operation: 19+44=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,98 unequal: No Solution Moving to Node #0,4,2 Current State: 98:[39, 14], Operations: ['97-78=19', '19-5=14'] Exploring Operation: 39*14=546, Resulting Numbers: [546] 546,98 unequal: No Solution Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 39+14=53, Resulting Numbers: [53] 53,98 unequal: No Solution Moving to Node #0,4,0 Current State: 98:[5, 58], Operations: ['97-78=19', '39+19=58'] Exploring Operation: 5+58=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,98 unequal: No Solution Exploring Operation: 5*58=290, Resulting Numbers: [290] 290,98 unequal: No Solution Moving to Node #0,4,4 Current State: 98:[39, 95], Operations: ['97-78=19', '5*19=95'] Exploring Operation: 95-39=56, Resulting Numbers: [56] 56,98 unequal: No Solution Exploring Operation: 39+95=134, Resulting Numbers: [134] 134,98 unequal: No Solution Exploring Operation: 39*95=3705, Resulting Numbers: [3705] 3705,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[5, 97, 117], Operations: ['39+78=117'] Exploring Operation: 97-5=92, Resulting Numbers: [117, 92] Generated Node #0,3,0: 98:[117, 92] Operation: 97-5=92 Exploring Operation: 5+117=122, Resulting Numbers: [97, 122] Generated Node #0,3,1: 98:[97, 122] Operation: 5+117=122 Exploring Operation: 5+97=102, Resulting Numbers: [117, 102] Generated Node #0,3,2: 98:[117, 102] Operation: 5+97=102 Exploring Operation: 117-97=20, Resulting Numbers: [5, 20] Generated Node #0,3,3: 98:[5, 20] Operation: 117-97=20 Exploring Operation: 117-5=112, Resulting Numbers: [97, 112] Generated Node #0,3,4: 98:[97, 112] Operation: 117-5=112 Moving to Node #0,3,3 Current State: 98:[5, 20], Operations: ['39+78=117', '117-97=20'] Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,98 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,98 unequal: No Solution Moving to Node #0,3,4 Current State: 98:[97, 112], Operations: ['39+78=117', '117-5=112'] Exploring Operation: 97+112=209, Resulting Numbers: [209] 209,98 unequal: No Solution Exploring Operation: 97*112=10864, Resulting Numbers: [10864] 10864,98 unequal: No Solution Exploring Operation: 112-97=15, Resulting Numbers: [15] 15,98 unequal: No Solution Moving to Node #0,3,2 Current State: 98:[117, 102], Operations: ['39+78=117', '5+97=102'] Exploring Operation: 117+102=219, Resulting Numbers: [219] 219,98 unequal: No Solution Exploring Operation: 117-102=15, Resulting Numbers: [15] 15,98 unequal: No Solution Exploring Operation: 117*102=11934, Resulting Numbers: [11934] 11934,98 unequal: No Solution Moving to Node #0,3,0 Current State: 98:[117, 92], Operations: ['39+78=117', '97-5=92'] Exploring Operation: 117-92=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 117+92=209, Resulting Numbers: [209] 209,98 unequal: No Solution Exploring Operation: 117*92=10764, Resulting Numbers: [10764] 10764,98 unequal: No Solution Moving to Node #0,3,1 Current State: 98:[97, 122], Operations: ['39+78=117', '5+117=122'] Exploring Operation: 97*122=11834, Resulting Numbers: [11834] 11834,98 unequal: No Solution Exploring Operation: 97+122=219, Resulting Numbers: [219] 219,98 unequal: No Solution Exploring Operation: 122-97=25, Resulting Numbers: [25] 25,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[97, 78, 44], Operations: ['5+39=44'] Exploring Operation: 97+44=141, Resulting Numbers: [78, 141] Generated Node #0,0,0: 98:[78, 141] Operation: 97+44=141 Exploring Operation: 97-78=19, Resulting Numbers: [44, 19] Generated Node #0,0,1: 98:[44, 19] Operation: 97-78=19 Exploring Operation: 78+44=122, Resulting Numbers: [97, 122] Generated Node #0,0,2: 98:[97, 122] Operation: 78+44=122 Exploring Operation: 97-44=53, Resulting Numbers: [78, 53] Generated Node #0,0,3: 98:[78, 53] Operation: 97-44=53 Exploring Operation: 78-44=34, Resulting Numbers: [97, 34] Generated Node #0,0,4: 98:[97, 34] Operation: 78-44=34 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[44, 19], Operations: ['5+39=44', '97-78=19'] Exploring Operation: 44*19=836, Resulting Numbers: [836] 836,98 unequal: No Solution Exploring Operation: 44+19=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,98 unequal: No Solution No 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: 98:[97, 34], Operations: ['5+39=44', '78-44=34'] Exploring Operation: 97-34=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 97+34=131, Resulting Numbers: [131] 131,98 unequal: No Solution Exploring Operation: 97*34=3298, Resulting Numbers: [3298] 3298,98 unequal: No Solution No 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: 98:[78, 53], Operations: ['5+39=44', '97-44=53'] Exploring Operation: 78-53=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 78*53=4134, Resulting Numbers: [4134] 4134,98 unequal: No Solution Exploring Operation: 78+53=131, Resulting Numbers: [131] 131,98 unequal: No Solution No 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: 98:[97, 122], Operations: ['5+39=44', '78+44=122'] Exploring Operation: 122-97=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 97*122=11834, Resulting Numbers: [11834] 11834,98 unequal: No Solution Exploring Operation: 97+122=219, Resulting Numbers: [219] 219,98 unequal: No Solution No 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: 98:[78, 141], Operations: ['5+39=44', '97+44=141'] Exploring Operation: 78+141=219, Resulting Numbers: [219] 219,98 unequal: No Solution Exploring Operation: 141-78=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 78*141=10998, Resulting Numbers: [10998] 10998,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 47, 83, 12, 15 ]
58
[ "15-12=3", "47*3=141", "141-83=58" ]
Current State: 58:[47, 83, 12, 15], Operations: [] Exploring Operation: 15-12=3, Resulting Numbers: [47, 83, 3] Generated Node #2: [47, 83, 3] from Operation: 15-12=3 Current State: 58:[47, 83, 3], Operations: ['15-12=3'] Exploring Operation: 47*3=141, Resulting Numbers: [83, 141] Generated Node #3: [83, 141] from Operation: 47*3=141 Current State: 58:[83, 141], Operations: ['15-12=3', '47*3=141'] Exploring Operation: 141-83=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[47, 83, 12, 15], Operations: [] Exploring Operation: 15-12=3, Resulting Numbers: [47, 83, 3] Generated Node #0,0: 58:[47, 83, 3] Operation: 15-12=3 Exploring Operation: 83-12=71, Resulting Numbers: [47, 15, 71] Generated Node #0,1: 58:[47, 15, 71] Operation: 83-12=71 Exploring Operation: 83-15=68, Resulting Numbers: [47, 12, 68] Generated Node #0,2: 58:[47, 12, 68] Operation: 83-15=68 Exploring Operation: 83-47=36, Resulting Numbers: [12, 15, 36] Generated Node #0,3: 58:[12, 15, 36] Operation: 83-47=36 Exploring Operation: 47-15=32, Resulting Numbers: [83, 12, 32] Generated Node #0,4: 58:[83, 12, 32] Operation: 47-15=32 Moving to Node #0,3 Current State: 58:[12, 15, 36], Operations: ['83-47=36'] Exploring Operation: 36/12=3, Resulting Numbers: [15, 3] Generated Node #0,3,0: 58:[15, 3] Operation: 36/12=3 Exploring Operation: 12+15=27, Resulting Numbers: [36, 27] Generated Node #0,3,1: 58:[36, 27] Operation: 12+15=27 Exploring Operation: 15+36=51, Resulting Numbers: [12, 51] Generated Node #0,3,2: 58:[12, 51] Operation: 15+36=51 Exploring Operation: 36-12=24, Resulting Numbers: [15, 24] Generated Node #0,3,3: 58:[15, 24] Operation: 36-12=24 Exploring Operation: 15-12=3, Resulting Numbers: [36, 3] Generated Node #0,3,4: 58:[36, 3] Operation: 15-12=3 Moving to Node #0,2 Current State: 58:[47, 12, 68], Operations: ['83-15=68'] Exploring Operation: 12+68=80, Resulting Numbers: [47, 80] Generated Node #0,2,0: 58:[47, 80] Operation: 12+68=80 Exploring Operation: 68-47=21, Resulting Numbers: [12, 21] Generated Node #0,2,1: 58:[12, 21] Operation: 68-47=21 Exploring Operation: 47+12=59, Resulting Numbers: [68, 59] Generated Node #0,2,2: 58:[68, 59] Operation: 47+12=59 Exploring Operation: 47-12=35, Resulting Numbers: [68, 35] Generated Node #0,2,3: 58:[68, 35] Operation: 47-12=35 Exploring Operation: 68-12=56, Resulting Numbers: [47, 56] Generated Node #0,2,4: 58:[47, 56] Operation: 68-12=56 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 58:[68, 59], Operations: ['83-15=68', '47+12=59'] Exploring Operation: 68+59=127, Resulting Numbers: [127] 127,58 unequal: No Solution Exploring Operation: 68*59=4012, Resulting Numbers: [4012] 4012,58 unequal: No Solution Exploring Operation: 68-59=9, Resulting Numbers: [9] 9,58 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 #0,2,4 Current State: 58:[47, 56], Operations: ['83-15=68', '68-12=56'] Exploring Operation: 56-47=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 47*56=2632, Resulting Numbers: [2632] 2632,58 unequal: No Solution Exploring Operation: 47+56=103, Resulting Numbers: [103] 103,58 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 #0,2,3 Current State: 58:[68, 35], Operations: ['83-15=68', '47-12=35'] Exploring Operation: 68*35=2380, Resulting Numbers: [2380] 2380,58 unequal: No Solution Exploring Operation: 68-35=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 68+35=103, Resulting Numbers: [103] 103,58 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 #0,2,1 Current State: 58:[12, 21], Operations: ['83-15=68', '68-47=21'] Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,58 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,58 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 #0,2,0 Current State: 58:[47, 80], Operations: ['83-15=68', '12+68=80'] Exploring Operation: 47*80=3760, Resulting Numbers: [3760] 3760,58 unequal: No Solution Exploring Operation: 80-47=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 47+80=127, Resulting Numbers: [127] 127,58 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: 58:[47, 83, 3], Operations: ['15-12=3'] Exploring Operation: 47-3=44, Resulting Numbers: [83, 44] Generated Node #0,0,0: 58:[83, 44] Operation: 47-3=44 Exploring Operation: 47+3=50, Resulting Numbers: [83, 50] Generated Node #0,0,1: 58:[83, 50] Operation: 47+3=50 Exploring Operation: 83-47=36, Resulting Numbers: [3, 36] Generated Node #0,0,2: 58:[3, 36] Operation: 83-47=36 Exploring Operation: 83+3=86, Resulting Numbers: [47, 86] Generated Node #0,0,3: 58:[47, 86] Operation: 83+3=86 Exploring Operation: 83-3=80, Resulting Numbers: [47, 80] Generated Node #0,0,4: 58:[47, 80] Operation: 83-3=80 Moving to Node #0,1 Current State: 58:[47, 15, 71], Operations: ['83-12=71'] Exploring Operation: 71-47=24, Resulting Numbers: [15, 24] Generated Node #0,1,0: 58:[15, 24] Operation: 71-47=24 Exploring Operation: 47-15=32, Resulting Numbers: [71, 32] Generated Node #0,1,1: 58:[71, 32] Operation: 47-15=32 Exploring Operation: 71-15=56, Resulting Numbers: [47, 56] Generated Node #0,1,2: 58:[47, 56] Operation: 71-15=56 Exploring Operation: 47+15=62, Resulting Numbers: [71, 62] Generated Node #0,1,3: 58:[71, 62] Operation: 47+15=62 Exploring Operation: 15+71=86, Resulting Numbers: [47, 86] Generated Node #0,1,4: 58:[47, 86] Operation: 15+71=86 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[47, 56], Operations: ['83-12=71', '71-15=56'] Exploring Operation: 47*56=2632, Resulting Numbers: [2632] 2632,58 unequal: No Solution Exploring Operation: 56-47=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 47+56=103, Resulting Numbers: [103] 103,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[71, 32], Operations: ['83-12=71', '47-15=32'] Exploring Operation: 71*32=2272, Resulting Numbers: [2272] 2272,58 unequal: No Solution Exploring Operation: 71+32=103, Resulting Numbers: [103] 103,58 unequal: No Solution Exploring Operation: 71-32=39, Resulting Numbers: [39] 39,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 58:[71, 62], Operations: ['83-12=71', '47+15=62'] Exploring Operation: 71-62=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 71*62=4402, Resulting Numbers: [4402] 4402,58 unequal: No Solution Exploring Operation: 71+62=133, Resulting Numbers: [133] 133,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[15, 24], Operations: ['83-12=71', '71-47=24'] Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 58:[47, 86], Operations: ['83-12=71', '15+71=86'] Exploring Operation: 47+86=133, Resulting Numbers: [133] 133,58 unequal: No Solution Exploring Operation: 47*86=4042, Resulting Numbers: [4042] 4042,58 unequal: No Solution Exploring Operation: 86-47=39, Resulting Numbers: [39] 39,58 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: 58:[83, 12, 32], Operations: ['47-15=32'] Exploring Operation: 83-32=51, Resulting Numbers: [12, 51] Generated Node #0,4,0: 58:[12, 51] Operation: 83-32=51 Exploring Operation: 83+12=95, Resulting Numbers: [32, 95] Generated Node #0,4,1: 58:[32, 95] Operation: 83+12=95 Exploring Operation: 12+32=44, Resulting Numbers: [83, 44] Generated Node #0,4,2: 58:[83, 44] Operation: 12+32=44 Exploring Operation: 83-12=71, Resulting Numbers: [32, 71] Generated Node #0,4,3: 58:[32, 71] Operation: 83-12=71 Exploring Operation: 32-12=20, Resulting Numbers: [83, 20] Generated Node #0,4,4: 58:[83, 20] Operation: 32-12=20 Moving to Node #0,3,4 Current State: 58:[36, 3], Operations: ['83-47=36', '15-12=3'] Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,58 unequal: No Solution Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 36*3=108, Resulting Numbers: [108] 108,58 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[3, 36], Operations: ['15-12=3', '83-47=36'] Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,58 unequal: No Solution Exploring Operation: 3*36=108, Resulting Numbers: [108] 108,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[36, 27], Operations: ['83-47=36', '12+15=27'] Exploring Operation: 36+27=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 36*27=972, Resulting Numbers: [972] 972,58 unequal: No Solution Moving to Node #0,3,0 Current State: 58:[15, 3], Operations: ['83-47=36', '36/12=3'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,58 unequal: No Solution Moving to Node #0,4,3 Current State: 58:[32, 71], Operations: ['47-15=32', '83-12=71'] Exploring Operation: 71-32=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 32+71=103, Resulting Numbers: [103] 103,58 unequal: No Solution Exploring Operation: 32*71=2272, Resulting Numbers: [2272] 2272,58 unequal: No Solution Moving to Node #0,4,0 Current State: 58:[12, 51], Operations: ['47-15=32', '83-32=51'] Exploring Operation: 12*51=612, Resulting Numbers: [612] 612,58 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,58 unequal: No Solution Moving to Node #0,3,2 Current State: 58:[12, 51], Operations: ['83-47=36', '15+36=51'] Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 12*51=612, Resulting Numbers: [612] 612,58 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[15, 24], Operations: ['83-47=36', '36-12=24'] Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,58 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[83, 50], Operations: ['15-12=3', '47+3=50'] Exploring Operation: 83-50=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 83+50=133, Resulting Numbers: [133] 133,58 unequal: No Solution Exploring Operation: 83*50=4150, Resulting Numbers: [4150] 4150,58 unequal: No Solution Moving to Node #0,0,4 Current State: 58:[47, 80], Operations: ['15-12=3', '83-3=80'] Exploring Operation: 80-47=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 47+80=127, Resulting Numbers: [127] 127,58 unequal: No Solution Exploring Operation: 47*80=3760, Resulting Numbers: [3760] 3760,58 unequal: No Solution Moving to Node #0,4,4 Current State: 58:[83, 20], Operations: ['47-15=32', '32-12=20'] Exploring Operation: 83-20=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 83*20=1660, Resulting Numbers: [1660] 1660,58 unequal: No Solution Exploring Operation: 83+20=103, Resulting Numbers: [103] 103,58 unequal: No Solution Moving to Node #0,0,3 Current State: 58:[47, 86], Operations: ['15-12=3', '83+3=86'] Exploring Operation: 86-47=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 47+86=133, Resulting Numbers: [133] 133,58 unequal: No Solution Exploring Operation: 47*86=4042, Resulting Numbers: [4042] 4042,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[83, 44], Operations: ['15-12=3', '47-3=44'] Exploring Operation: 83+44=127, Resulting Numbers: [127] 127,58 unequal: No Solution Exploring Operation: 83-44=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 83*44=3652, Resulting Numbers: [3652] 3652,58 unequal: No Solution Moving to Node #0,4,2 Current State: 58:[83, 44], Operations: ['47-15=32', '12+32=44'] Exploring Operation: 83+44=127, Resulting Numbers: [127] 127,58 unequal: No Solution Exploring Operation: 83-44=39, Resulting Numbers: [39] 39,58 unequal: No Solution Exploring Operation: 83*44=3652, Resulting Numbers: [3652] 3652,58 unequal: No Solution Moving to Node #0,4,1 Current State: 58:[32, 95], Operations: ['47-15=32', '83+12=95'] Exploring Operation: 32+95=127, Resulting Numbers: [127] 127,58 unequal: No Solution Exploring Operation: 95-32=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 32*95=3040, Resulting Numbers: [3040] 3040,58 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 32, 53, 43, 76 ]
53
[ "32+43=75", "76-75=1", "53*1=53" ]
Current State: 53:[32, 53, 43, 76], Operations: [] Exploring Operation: 32+43=75, Resulting Numbers: [53, 76, 75] Generated Node #2: [53, 76, 75] from Operation: 32+43=75 Current State: 53:[53, 76, 75], Operations: ['32+43=75'] Exploring Operation: 76-75=1, Resulting Numbers: [53, 1] Generated Node #3: [53, 1] from Operation: 76-75=1 Current State: 53:[53, 1], Operations: ['32+43=75', '76-75=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[32, 53, 43, 76], Operations: [] Exploring Operation: 76-53=23, Resulting Numbers: [32, 43, 23] Generated Node #0,0: 53:[32, 43, 23] Operation: 76-53=23 Exploring Operation: 32+43=75, Resulting Numbers: [53, 76, 75] Generated Node #0,1: 53:[53, 76, 75] Operation: 32+43=75 Exploring Operation: 76-43=33, Resulting Numbers: [32, 53, 33] Generated Node #0,2: 53:[32, 53, 33] Operation: 76-43=33 Exploring Operation: 76-32=44, Resulting Numbers: [53, 43, 44] Generated Node #0,3: 53:[53, 43, 44] Operation: 76-32=44 Start Sub Search at level 1: Moving to Node #0,3 Current State: 53:[53, 43, 44], Operations: ['76-32=44'] Exploring Operation: 53+43=96, Resulting Numbers: [44, 96] Generated Node #0,3,0: 53:[44, 96] Operation: 53+43=96 Exploring Operation: 43+44=87, Resulting Numbers: [53, 87] Generated Node #0,3,1: 53:[53, 87] Operation: 43+44=87 Exploring Operation: 53-43=10, Resulting Numbers: [44, 10] Generated Node #0,3,2: 53:[44, 10] Operation: 53-43=10 Exploring Operation: 44-43=1, Resulting Numbers: [53, 1] Generated Node #0,3,3: 53:[53, 1] Operation: 44-43=1 Moving to Node #0,3,1 Current State: 53:[53, 87], Operations: ['76-32=44', '43+44=87'] Exploring Operation: 53+87=140, Resulting Numbers: [140] 140,53 unequal: No Solution Exploring Operation: 53*87=4611, Resulting Numbers: [4611] 4611,53 unequal: No Solution Exploring Operation: 87-53=34, Resulting Numbers: [34] 34,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[44, 10], Operations: ['76-32=44', '53-43=10'] Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,53 unequal: No Solution Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[44, 96], Operations: ['76-32=44', '53+43=96'] Exploring Operation: 44*96=4224, Resulting Numbers: [4224] 4224,53 unequal: No Solution Exploring Operation: 44+96=140, Resulting Numbers: [140] 140,53 unequal: No Solution Exploring Operation: 96-44=52, Resulting Numbers: [52] 52,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[53, 1], Operations: ['76-32=44', '44-43=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[32, 53, 43, 76], Operations: [] Exploring Operation: 76-32=44, Resulting Numbers: [53, 43, 44] Generated Node #0,3: 53:[53, 43, 44] Operation: 76-32=44 Moving to Node #0,3 Current State: 53:[53, 43, 44], Operations: ['76-32=44'] Exploring Operation: 44-43=1, Resulting Numbers: [53, 1] Generated Node #0,3,3: 53:[53, 1] Operation: 44-43=1 Moving to Node #0,3,3 Current State: 53:[53, 1], Operations: ['76-32=44', '44-43=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 84, 75, 45, 56 ]
99
[ "84-75=9", "56-45=11", "9*11=99" ]
Current State: 99:[84, 75, 45, 56], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [45, 56, 9] Generated Node #2: [45, 56, 9] from Operation: 84-75=9 Current State: 99:[45, 56, 9], Operations: ['84-75=9'] Exploring Operation: 56-45=11, Resulting Numbers: [9, 11] Generated Node #3: [9, 11] from Operation: 56-45=11 Current State: 99:[9, 11], Operations: ['84-75=9', '56-45=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[84, 75, 45, 56], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [45, 56, 9] Generated Node #0,0: 99:[45, 56, 9] Operation: 84-75=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[45, 56, 9], Operations: ['84-75=9'] Exploring Operation: 56-45=11, Resulting Numbers: [9, 11] Generated Node #0,0,0: 99:[9, 11] Operation: 56-45=11 Moving to Node #0,0,0 Current State: 99:[9, 11], Operations: ['84-75=9', '56-45=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[84, 75, 45, 56], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [45, 56, 9] Generated Node #0,0: 99:[45, 56, 9] Operation: 84-75=9 Moving to Node #0,0 Current State: 99:[45, 56, 9], Operations: ['84-75=9'] Exploring Operation: 56-45=11, Resulting Numbers: [9, 11] Generated Node #0,0,0: 99:[9, 11] Operation: 56-45=11 Moving to Node #0,0,0 Current State: 99:[9, 11], Operations: ['84-75=9', '56-45=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 88, 9, 15, 27 ]
67
[ "88-9=79", "27-15=12", "79-12=67" ]
Current State: 67:[88, 9, 15, 27], Operations: [] Exploring Operation: 88-9=79, Resulting Numbers: [15, 27, 79] Generated Node #2: [15, 27, 79] from Operation: 88-9=79 Current State: 67:[15, 27, 79], Operations: ['88-9=79'] Exploring Operation: 27-15=12, Resulting Numbers: [79, 12] Generated Node #3: [79, 12] from Operation: 27-15=12 Current State: 67:[79, 12], Operations: ['88-9=79', '27-15=12'] Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[88, 9, 15, 27], Operations: [] Exploring Operation: 9+15=24, Resulting Numbers: [88, 27, 24] Generated Node #0,0: 67:[88, 27, 24] Operation: 9+15=24 Exploring Operation: 88-9=79, Resulting Numbers: [15, 27, 79] Generated Node #0,1: 67:[15, 27, 79] Operation: 88-9=79 Exploring Operation: 9+27=36, Resulting Numbers: [88, 15, 36] Generated Node #0,2: 67:[88, 15, 36] Operation: 9+27=36 Exploring Operation: 88-15=73, Resulting Numbers: [9, 27, 73] Generated Node #0,3: 67:[9, 27, 73] Operation: 88-15=73 Exploring Operation: 15+27=42, Resulting Numbers: [88, 9, 42] Generated Node #0,4: 67:[88, 9, 42] Operation: 15+27=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[88, 27, 24], Operations: ['9+15=24'] Exploring Operation: 27-24=3, Resulting Numbers: [88, 3] Generated Node #0,0,0: 67:[88, 3] Operation: 27-24=3 Exploring Operation: 88-27=61, Resulting Numbers: [24, 61] Generated Node #0,0,1: 67:[24, 61] Operation: 88-27=61 Exploring Operation: 27+24=51, Resulting Numbers: [88, 51] Generated Node #0,0,2: 67:[88, 51] Operation: 27+24=51 Exploring Operation: 88+24=112, Resulting Numbers: [27, 112] Generated Node #0,0,3: 67:[27, 112] Operation: 88+24=112 Exploring Operation: 88-24=64, Resulting Numbers: [27, 64] Generated Node #0,0,4: 67:[27, 64] Operation: 88-24=64 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 67:[88, 51], Operations: ['9+15=24', '27+24=51'] Exploring Operation: 88*51=4488, Resulting Numbers: [4488] 4488,67 unequal: No Solution Exploring Operation: 88+51=139, Resulting Numbers: [139] 139,67 unequal: No Solution Exploring Operation: 88-51=37, Resulting Numbers: [37] 37,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 67:[27, 64], Operations: ['9+15=24', '88-24=64'] Exploring Operation: 27*64=1728, Resulting Numbers: [1728] 1728,67 unequal: No Solution Exploring Operation: 27+64=91, Resulting Numbers: [91] 91,67 unequal: No Solution Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[24, 61], Operations: ['9+15=24', '88-27=61'] Exploring Operation: 24*61=1464, Resulting Numbers: [1464] 1464,67 unequal: No Solution Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,67 unequal: No Solution Exploring Operation: 24+61=85, Resulting Numbers: [85] 85,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[88, 3], Operations: ['9+15=24', '27-24=3'] Exploring Operation: 88+3=91, Resulting Numbers: [91] 91,67 unequal: No Solution Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,67 unequal: No Solution Exploring Operation: 88*3=264, Resulting Numbers: [264] 264,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 67:[27, 112], Operations: ['9+15=24', '88+24=112'] Exploring Operation: 27+112=139, Resulting Numbers: [139] 139,67 unequal: No Solution Exploring Operation: 112-27=85, Resulting Numbers: [85] 85,67 unequal: No Solution Exploring Operation: 27*112=3024, Resulting Numbers: [3024] 3024,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[15, 27, 79], Operations: ['88-9=79'] Exploring Operation: 15+27=42, Resulting Numbers: [79, 42] Generated Node #0,1,0: 67:[79, 42] Operation: 15+27=42 Exploring Operation: 15+79=94, Resulting Numbers: [27, 94] Generated Node #0,1,1: 67:[27, 94] Operation: 15+79=94 Exploring Operation: 79-27=52, Resulting Numbers: [15, 52] Generated Node #0,1,2: 67:[15, 52] Operation: 79-27=52 Exploring Operation: 27-15=12, Resulting Numbers: [79, 12] Generated Node #0,1,3: 67:[79, 12] Operation: 27-15=12 Exploring Operation: 79-15=64, Resulting Numbers: [27, 64] Generated Node #0,1,4: 67:[27, 64] Operation: 79-15=64 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[79, 42], Operations: ['88-9=79', '15+27=42'] Exploring Operation: 79*42=3318, Resulting Numbers: [3318] 3318,67 unequal: No Solution Exploring Operation: 79+42=121, Resulting Numbers: [121] 121,67 unequal: No Solution Exploring Operation: 79-42=37, Resulting Numbers: [37] 37,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 67:[27, 64], Operations: ['88-9=79', '79-15=64'] Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,67 unequal: No Solution Exploring Operation: 27+64=91, Resulting Numbers: [91] 91,67 unequal: No Solution Exploring Operation: 27*64=1728, Resulting Numbers: [1728] 1728,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[27, 94], Operations: ['88-9=79', '15+79=94'] Exploring Operation: 94-27=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[88, 9, 15, 27], Operations: [] Exploring Operation: 88-9=79, Resulting Numbers: [15, 27, 79] Generated Node #0,1: 67:[15, 27, 79] Operation: 88-9=79 Moving to Node #0,1 Current State: 67:[15, 27, 79], Operations: ['88-9=79'] Exploring Operation: 15+79=94, Resulting Numbers: [27, 94] Generated Node #0,1,1: 67:[27, 94] Operation: 15+79=94 Moving to Node #0,1,1 Current State: 67:[27, 94], Operations: ['88-9=79', '15+79=94'] Exploring Operation: 94-27=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic
[ 54, 59, 3, 3 ]
15
[ "54*3=162", "59*3=177", "177-162=15" ]
Current State: 15:[54, 59, 3, 3], Operations: [] Exploring Operation: 54*3=162, Resulting Numbers: [59, 162] Generated Node #2: [59, 162] from Operation: 54*3=162 Current State: 15:[59, 162], Operations: ['54*3=162'] Exploring Operation: 59*3=177, Resulting Numbers: [162, 177] Generated Node #3: [162, 177] from Operation: 59*3=177 Current State: 15:[162, 177], Operations: ['54*3=162', '59*3=177'] Exploring Operation: 177-162=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[54, 59, 3, 3], Operations: [] Exploring Operation: 59-54=5, Resulting Numbers: [3, 3, 5] Generated Node #0,0: 15:[3, 3, 5] Operation: 59-54=5 Exploring Operation: 54/3=18, Resulting Numbers: [59, 3, 18] Generated Node #0,1: 15:[59, 3, 18] Operation: 54/3=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[3, 3, 5], Operations: ['59-54=5'] Exploring Operation: 3*5=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 15:[3, 15] Operation: 3*5=15 Exploring Operation: 3*5=15, Resulting Numbers: [3, 15] Generated Node #0,0,1: 15:[3, 15] Operation: 3*5=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[3, 15], Operations: ['59-54=5', '3*5=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,15 unequal: No Solution No 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: 15:[3, 15], Operations: ['59-54=5', '3*5=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,15 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: 15:[59, 3, 18], Operations: ['54/3=18'] Exploring Operation: 59-3=56, Resulting Numbers: [18, 56] Generated Node #0,1,0: 15:[18, 56] Operation: 59-3=56 Exploring Operation: 59-18=41, Resulting Numbers: [3, 41] Generated Node #0,1,1: 15:[3, 41] Operation: 59-18=41 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 15:[3, 41], Operations: ['54/3=18', '59-18=41'] Exploring Operation: 3+41=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,15 unequal: No Solution No 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: 15:[18, 56], Operations: ['54/3=18', '59-3=56'] Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,15 unequal: No Solution Exploring Operation: 18+56=74, Resulting Numbers: [74] 74,15 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
[ 40, 5, 80, 4 ]
65
[ "40+5=45", "80/4=20", "45+20=65" ]
Current State: 65:[40, 5, 80, 4], Operations: [] Exploring Operation: 40+5=45, Resulting Numbers: [80, 4, 45] Generated Node #2: [80, 4, 45] from Operation: 40+5=45 Current State: 65:[80, 4, 45], Operations: ['40+5=45'] Exploring Operation: 80/4=20, Resulting Numbers: [45, 20] Generated Node #3: [45, 20] from Operation: 80/4=20 Current State: 65:[45, 20], Operations: ['40+5=45', '80/4=20'] Exploring Operation: 45+20=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[40, 5, 80, 4], Operations: [] Exploring Operation: 40/4=10, Resulting Numbers: [5, 80, 10] Generated Node #0,0: 65:[5, 80, 10] Operation: 40/4=10 Exploring Operation: 80/40=2, Resulting Numbers: [5, 4, 2] Generated Node #0,1: 65:[5, 4, 2] Operation: 80/40=2 Moving to Node #0,1 Current State: 65:[5, 4, 2], Operations: ['80/40=2'] Exploring Operation: 4+2=6, Resulting Numbers: [5, 6] Generated Node #0,1,0: 65:[5, 6] Operation: 4+2=6 Exploring Operation: 5+2=7, Resulting Numbers: [4, 7] Generated Node #0,1,1: 65:[4, 7] Operation: 5+2=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[5, 6], Operations: ['80/40=2', '4+2=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[4, 7], Operations: ['80/40=2', '5+2=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 65:[5, 80, 10], Operations: ['40/4=10'] Exploring Operation: 80-10=70, Resulting Numbers: [5, 70] Generated Node #0,0,0: 65:[5, 70] Operation: 80-10=70 Exploring Operation: 80/10=8, Resulting Numbers: [5, 8] Generated Node #0,0,1: 65:[5, 8] Operation: 80/10=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[5, 8], Operations: ['40/4=10', '80/10=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[5, 70], Operations: ['40/4=10', '80-10=70'] Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,65 unequal: No Solution Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[40, 5, 80, 4], Operations: [] Exploring Operation: 40/4=10, Resulting Numbers: [5, 80, 10] Generated Node #0,0: 65:[5, 80, 10] Operation: 40/4=10 Moving to Node #0,0 Current State: 65:[5, 80, 10], Operations: ['40/4=10'] Exploring Operation: 80-10=70, Resulting Numbers: [5, 70] Generated Node #0,0,0: 65:[5, 70] Operation: 80-10=70 Moving to Node #0,0,0 Current State: 65:[5, 70], Operations: ['40/4=10', '80-10=70'] Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
mult_heuristic
[ 63, 52, 52, 3 ]
60
[ "63+52=115", "52+3=55", "115-55=60" ]
Current State: 60:[63, 52, 52, 3], Operations: [] Exploring Operation: 63+52=115, Resulting Numbers: [3, 115] Generated Node #2: [3, 115] from Operation: 63+52=115 Current State: 60:[3, 115], Operations: ['63+52=115'] Exploring Operation: 52+3=55, Resulting Numbers: [115, 55] Generated Node #3: [115, 55] from Operation: 52+3=55 Current State: 60:[115, 55], Operations: ['63+52=115', '52+3=55'] Exploring Operation: 115-55=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[63, 52, 52, 3], Operations: [] Exploring Operation: 52/52=1, Resulting Numbers: [63, 3, 1] Generated Node #0,0: 60:[63, 3, 1] Operation: 52/52=1 Exploring Operation: 52-52=0, Resulting Numbers: [63, 3, 0] Generated Node #0,1: 60:[63, 3, 0] Operation: 52-52=0 Moving to Node #0,0 Current State: 60:[63, 3, 1], Operations: ['52/52=1'] Exploring Operation: 63-3=60, Resulting Numbers: [1, 60] Generated Node #0,0,0: 60:[1, 60] Operation: 63-3=60 Exploring Operation: 63/3=21, Resulting Numbers: [1, 21] Generated Node #0,0,1: 60:[1, 21] Operation: 63/3=21 Moving to Node #0,1 Current State: 60:[63, 3, 0], Operations: ['52-52=0'] Exploring Operation: 63*0=0, Resulting Numbers: [3, 0] Generated Node #0,1,0: 60:[3, 0] Operation: 63*0=0 Exploring Operation: 63-3=60, Resulting Numbers: [0, 60] Generated Node #0,1,1: 60:[0, 60] Operation: 63-3=60 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 60:[3, 0], Operations: ['52-52=0', '63*0=0'] Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 3+0=3, Resulting Numbers: [3] 3,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 60:[0, 60], Operations: ['52-52=0', '63-3=60'] Exploring Operation: 60-0=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[63, 52, 52, 3], Operations: [] Exploring Operation: 52-52=0, Resulting Numbers: [63, 3, 0] Generated Node #0,1: 60:[63, 3, 0] Operation: 52-52=0 Moving to Node #0,1 Current State: 60:[63, 3, 0], Operations: ['52-52=0'] Exploring Operation: 63-3=60, Resulting Numbers: [0, 60] Generated Node #0,1,1: 60:[0, 60] Operation: 63-3=60 Moving to Node #0,1,1 Current State: 60:[0, 60], Operations: ['52-52=0', '63-3=60'] Exploring Operation: 60-0=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_2
mult_heuristic
[ 42, 16, 14, 60 ]
78
[ "16-14=2", "60*2=120", "120-42=78" ]
Current State: 78:[42, 16, 14, 60], Operations: [] Exploring Operation: 16-14=2, Resulting Numbers: [42, 60, 2] Generated Node #2: [42, 60, 2] from Operation: 16-14=2 Current State: 78:[42, 60, 2], Operations: ['16-14=2'] Exploring Operation: 60*2=120, Resulting Numbers: [42, 120] Generated Node #3: [42, 120] from Operation: 60*2=120 Current State: 78:[42, 120], Operations: ['16-14=2', '60*2=120'] Exploring Operation: 120-42=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[42, 16, 14, 60], Operations: [] Exploring Operation: 16+60=76, Resulting Numbers: [42, 14, 76] Generated Node #0,0: 78:[42, 14, 76] Operation: 16+60=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[42, 14, 76], Operations: ['16+60=76'] Exploring Operation: 42/14=3, Resulting Numbers: [76, 3] Generated Node #0,0,0: 78:[76, 3] Operation: 42/14=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[76, 3], Operations: ['16+60=76', '42/14=3'] Exploring Operation: 76+3=79, Resulting Numbers: [79] 79,78 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
mult_heuristic
[ 43, 93, 34, 3 ]
22
[ "43-34=9", "93/3=31", "31-9=22" ]
Current State: 22:[43, 93, 34, 3], Operations: [] Exploring Operation: 43-34=9, Resulting Numbers: [93, 3, 9] Generated Node #2: [93, 3, 9] from Operation: 43-34=9 Current State: 22:[93, 3, 9], Operations: ['43-34=9'] Exploring Operation: 93/3=31, Resulting Numbers: [9, 31] Generated Node #3: [9, 31] from Operation: 93/3=31 Current State: 22:[9, 31], Operations: ['43-34=9', '93/3=31'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[43, 93, 34, 3], Operations: [] Exploring Operation: 93-43=50, Resulting Numbers: [34, 3, 50] Generated Node #0,0: 22:[34, 3, 50] Operation: 93-43=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[34, 3, 50], Operations: ['93-43=50'] Exploring Operation: 50-34=16, Resulting Numbers: [3, 16] Generated Node #0,0,0: 22:[3, 16] Operation: 50-34=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[3, 16], Operations: ['93-43=50', '50-34=16'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 24, 7, 20, 16 ]
84
[ "24-20=4", "16-4=12", "7*12=84" ]
Current State: 84:[24, 7, 20, 16], Operations: [] Exploring Operation: 24-20=4, Resulting Numbers: [7, 16, 4] Generated Node #2: [7, 16, 4] from Operation: 24-20=4 Current State: 84:[7, 16, 4], Operations: ['24-20=4'] Exploring Operation: 16-4=12, Resulting Numbers: [7, 12] Generated Node #3: [7, 12] from Operation: 16-4=12 Current State: 84:[7, 12], Operations: ['24-20=4', '16-4=12'] Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[24, 7, 20, 16], Operations: [] Exploring Operation: 24-20=4, Resulting Numbers: [7, 16, 4] Generated Node #0,0: 84:[7, 16, 4] Operation: 24-20=4 Exploring Operation: 24+16=40, Resulting Numbers: [7, 20, 40] Generated Node #0,1: 84:[7, 20, 40] Operation: 24+16=40 Exploring Operation: 24+20=44, Resulting Numbers: [7, 16, 44] Generated Node #0,2: 84:[7, 16, 44] Operation: 24+20=44 Exploring Operation: 20-16=4, Resulting Numbers: [24, 7, 4] Generated Node #0,3: 84:[24, 7, 4] Operation: 20-16=4 Exploring Operation: 24-16=8, Resulting Numbers: [7, 20, 8] Generated Node #0,4: 84:[7, 20, 8] Operation: 24-16=8 Moving to Node #0,0 Current State: 84:[7, 16, 4], Operations: ['24-20=4'] Exploring Operation: 16/4=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 84:[7, 4] Operation: 16/4=4 Exploring Operation: 16-7=9, Resulting Numbers: [4, 9] Generated Node #0,0,1: 84:[4, 9] Operation: 16-7=9 Exploring Operation: 16+4=20, Resulting Numbers: [7, 20] Generated Node #0,0,2: 84:[7, 20] Operation: 16+4=20 Exploring Operation: 7+16=23, Resulting Numbers: [4, 23] Generated Node #0,0,3: 84:[4, 23] Operation: 7+16=23 Exploring Operation: 16-4=12, Resulting Numbers: [7, 12] Generated Node #0,0,4: 84:[7, 12] Operation: 16-4=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[7, 4], Operations: ['24-20=4', '16/4=4'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,84 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,84 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 84:[7, 12], Operations: ['24-20=4', '16-4=12'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[24, 7, 20, 16], Operations: [] Exploring Operation: 24-20=4, Resulting Numbers: [7, 16, 4] Generated Node #0,0: 84:[7, 16, 4] Operation: 24-20=4 Moving to Node #0,0 Current State: 84:[7, 16, 4], Operations: ['24-20=4'] Exploring Operation: 16-4=12, Resulting Numbers: [7, 12] Generated Node #0,0,4: 84:[7, 12] Operation: 16-4=12 Moving to Node #0,0,4 Current State: 84:[7, 12], Operations: ['24-20=4', '16-4=12'] Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 57, 2, 12, 85 ]
89
[ "85-12=73", "2*73=146", "146-57=89" ]
Current State: 89:[57, 2, 12, 85], Operations: [] Exploring Operation: 85-12=73, Resulting Numbers: [57, 2, 73] Generated Node #2: [57, 2, 73] from Operation: 85-12=73 Current State: 89:[57, 2, 73], Operations: ['85-12=73'] Exploring Operation: 2*73=146, Resulting Numbers: [57, 146] Generated Node #3: [57, 146] from Operation: 2*73=146 Current State: 89:[57, 146], Operations: ['85-12=73', '2*73=146'] Exploring Operation: 146-57=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[57, 2, 12, 85], Operations: [] Exploring Operation: 57+2=59, Resulting Numbers: [12, 85, 59] Generated Node #0,0: 89:[12, 85, 59] Operation: 57+2=59 Exploring Operation: 2+12=14, Resulting Numbers: [57, 85, 14] Generated Node #0,1: 89:[57, 85, 14] Operation: 2+12=14 Exploring Operation: 57*2=114, Resulting Numbers: [12, 85, 114] Generated Node #0,2: 89:[12, 85, 114] Operation: 57*2=114 Exploring Operation: 57+12=69, Resulting Numbers: [2, 85, 69] Generated Node #0,3: 89:[2, 85, 69] Operation: 57+12=69 Exploring Operation: 2*12=24, Resulting Numbers: [57, 85, 24] Generated Node #0,4: 89:[57, 85, 24] Operation: 2*12=24 Start Sub Search at level 1: Moving to Node #0,4 Current State: 89:[57, 85, 24], Operations: ['2*12=24'] Exploring Operation: 85-24=61, Resulting Numbers: [57, 61] Generated Node #0,4,0: 89:[57, 61] Operation: 85-24=61 Exploring Operation: 85+24=109, Resulting Numbers: [57, 109] Generated Node #0,4,1: 89:[57, 109] Operation: 85+24=109 Exploring Operation: 57+24=81, Resulting Numbers: [85, 81] Generated Node #0,4,2: 89:[85, 81] Operation: 57+24=81 Exploring Operation: 57+85=142, Resulting Numbers: [24, 142] Generated Node #0,4,3: 89:[24, 142] Operation: 57+85=142 Exploring Operation: 57-24=33, Resulting Numbers: [85, 33] Generated Node #0,4,4: 89:[85, 33] Operation: 57-24=33 Moving to Node #0,4,2 Current State: 89:[85, 81], Operations: ['2*12=24', '57+24=81'] Exploring Operation: 85+81=166, Resulting Numbers: [166] 166,89 unequal: No Solution Exploring Operation: 85-81=4, Resulting Numbers: [4] 4,89 unequal: No Solution Exploring Operation: 85*81=6885, Resulting Numbers: [6885] 6885,89 unequal: No Solution Moving to Node #0,4,1 Current State: 89:[57, 109], Operations: ['2*12=24', '85+24=109'] Exploring Operation: 109-57=52, Resulting Numbers: [52] 52,89 unequal: No Solution Exploring Operation: 57+109=166, Resulting Numbers: [166] 166,89 unequal: No Solution Exploring Operation: 57*109=6213, Resulting Numbers: [6213] 6213,89 unequal: No Solution Moving to Node #0,4,0 Current State: 89:[57, 61], Operations: ['2*12=24', '85-24=61'] Exploring Operation: 61-57=4, Resulting Numbers: [4] 4,89 unequal: No Solution Exploring Operation: 57+61=118, Resulting Numbers: [118] 118,89 unequal: No Solution Exploring Operation: 57*61=3477, Resulting Numbers: [3477] 3477,89 unequal: No Solution Moving to Node #0,4,4 Current State: 89:[85, 33], Operations: ['2*12=24', '57-24=33'] Exploring Operation: 85-33=52, Resulting Numbers: [52] 52,89 unequal: No Solution Exploring Operation: 85+33=118, Resulting Numbers: [118] 118,89 unequal: No Solution Exploring Operation: 85*33=2805, Resulting Numbers: [2805] 2805,89 unequal: No Solution Moving to Node #0,4,3 Current State: 89:[24, 142], Operations: ['2*12=24', '57+85=142'] Exploring Operation: 24*142=3408, Resulting Numbers: [3408] 3408,89 unequal: No Solution Exploring Operation: 24+142=166, Resulting Numbers: [166] 166,89 unequal: No Solution Exploring Operation: 142-24=118, Resulting Numbers: [118] 118,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[12, 85, 114], Operations: ['57*2=114'] Exploring Operation: 114-12=102, Resulting Numbers: [85, 102] Generated Node #0,2,0: 89:[85, 102] Operation: 114-12=102 Exploring Operation: 12+85=97, Resulting Numbers: [114, 97] Generated Node #0,2,1: 89:[114, 97] Operation: 12+85=97 Exploring Operation: 85-12=73, Resulting Numbers: [114, 73] Generated Node #0,2,2: 89:[114, 73] Operation: 85-12=73 Exploring Operation: 114-85=29, Resulting Numbers: [12, 29] Generated Node #0,2,3: 89:[12, 29] Operation: 114-85=29 Exploring Operation: 12+114=126, Resulting Numbers: [85, 126] Generated Node #0,2,4: 89:[85, 126] Operation: 12+114=126 Moving to Node #0,2,0 Current State: 89:[85, 102], Operations: ['57*2=114', '114-12=102'] Exploring Operation: 85+102=187, Resulting Numbers: [187] 187,89 unequal: No Solution Exploring Operation: 102-85=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 85*102=8670, Resulting Numbers: [8670] 8670,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[114, 97], Operations: ['57*2=114', '12+85=97'] Exploring Operation: 114-97=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 114+97=211, Resulting Numbers: [211] 211,89 unequal: No Solution Exploring Operation: 114*97=11058, Resulting Numbers: [11058] 11058,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[114, 73], Operations: ['57*2=114', '85-12=73'] Exploring Operation: 114*73=8322, Resulting Numbers: [8322] 8322,89 unequal: No Solution Exploring Operation: 114-73=41, Resulting Numbers: [41] 41,89 unequal: No Solution Exploring Operation: 114+73=187, Resulting Numbers: [187] 187,89 unequal: No Solution Moving to Node #0,2,4 Current State: 89:[85, 126], Operations: ['57*2=114', '12+114=126'] Exploring Operation: 85*126=10710, Resulting Numbers: [10710] 10710,89 unequal: No Solution Exploring Operation: 126-85=41, Resulting Numbers: [41] 41,89 unequal: No Solution Exploring Operation: 85+126=211, Resulting Numbers: [211] 211,89 unequal: No Solution Moving to Node #0,2,3 Current State: 89:[12, 29], Operations: ['57*2=114', '114-85=29'] Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,89 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[12, 85, 59], Operations: ['57+2=59'] Exploring Operation: 85-12=73, Resulting Numbers: [59, 73] Generated Node #0,0,0: 89:[59, 73] Operation: 85-12=73 Exploring Operation: 59-12=47, Resulting Numbers: [85, 47] Generated Node #0,0,1: 89:[85, 47] Operation: 59-12=47 Exploring Operation: 12+85=97, Resulting Numbers: [59, 97] Generated Node #0,0,2: 89:[59, 97] Operation: 12+85=97 Exploring Operation: 12+59=71, Resulting Numbers: [85, 71] Generated Node #0,0,3: 89:[85, 71] Operation: 12+59=71 Exploring Operation: 85+59=144, Resulting Numbers: [12, 144] Generated Node #0,0,4: 89:[12, 144] Operation: 85+59=144 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 89:[85, 71], Operations: ['57+2=59', '12+59=71'] Exploring Operation: 85-71=14, Resulting Numbers: [14] 14,89 unequal: No Solution Exploring Operation: 85+71=156, Resulting Numbers: [156] 156,89 unequal: No Solution Exploring Operation: 85*71=6035, Resulting Numbers: [6035] 6035,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 89:[59, 97], Operations: ['57+2=59', '12+85=97'] Exploring Operation: 97-59=38, Resulting Numbers: [38] 38,89 unequal: No Solution Exploring Operation: 59+97=156, Resulting Numbers: [156] 156,89 unequal: No Solution Exploring Operation: 59*97=5723, Resulting Numbers: [5723] 5723,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[59, 73], Operations: ['57+2=59', '85-12=73'] Exploring Operation: 59+73=132, Resulting Numbers: [132] 132,89 unequal: No Solution Exploring Operation: 59*73=4307, Resulting Numbers: [4307] 4307,89 unequal: No Solution Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[85, 47], Operations: ['57+2=59', '59-12=47'] Exploring Operation: 85-47=38, Resulting Numbers: [38] 38,89 unequal: No Solution Exploring Operation: 85+47=132, Resulting Numbers: [132] 132,89 unequal: No Solution Exploring Operation: 85*47=3995, Resulting Numbers: [3995] 3995,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 89:[12, 144], Operations: ['57+2=59', '85+59=144'] Exploring Operation: 12*144=1728, Resulting Numbers: [1728] 1728,89 unequal: No Solution Exploring Operation: 12+144=156, Resulting Numbers: [156] 156,89 unequal: No Solution Exploring Operation: 144-12=132, Resulting Numbers: [132] 132,89 unequal: No Solution Exploring Operation: 144/12=12, Resulting Numbers: [12] 12,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[57, 85, 14], Operations: ['2+12=14'] Exploring Operation: 85+14=99, Resulting Numbers: [57, 99] Generated Node #0,1,0: 89:[57, 99] Operation: 85+14=99 Exploring Operation: 85-14=71, Resulting Numbers: [57, 71] Generated Node #0,1,1: 89:[57, 71] Operation: 85-14=71 Exploring Operation: 57-14=43, Resulting Numbers: [85, 43] Generated Node #0,1,2: 89:[85, 43] Operation: 57-14=43 Exploring Operation: 57+14=71, Resulting Numbers: [85, 71] Generated Node #0,1,3: 89:[85, 71] Operation: 57+14=71 Exploring Operation: 57+85=142, Resulting Numbers: [14, 142] Generated Node #0,1,4: 89:[14, 142] Operation: 57+85=142 Moving to Node #0,1,3 Current State: 89:[85, 71], Operations: ['2+12=14', '57+14=71'] Exploring Operation: 85*71=6035, Resulting Numbers: [6035] 6035,89 unequal: No Solution Exploring Operation: 85+71=156, Resulting Numbers: [156] 156,89 unequal: No Solution Exploring Operation: 85-71=14, Resulting Numbers: [14] 14,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[57, 99], Operations: ['2+12=14', '85+14=99'] Exploring Operation: 57*99=5643, Resulting Numbers: [5643] 5643,89 unequal: No Solution Exploring Operation: 57+99=156, Resulting Numbers: [156] 156,89 unequal: No Solution Exploring Operation: 99-57=42, Resulting Numbers: [42] 42,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[57, 71], Operations: ['2+12=14', '85-14=71'] Exploring Operation: 57+71=128, Resulting Numbers: [128] 128,89 unequal: No Solution Exploring Operation: 71-57=14, Resulting Numbers: [14] 14,89 unequal: No Solution Exploring Operation: 57*71=4047, Resulting Numbers: [4047] 4047,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[85, 43], Operations: ['2+12=14', '57-14=43'] Exploring Operation: 85*43=3655, Resulting Numbers: [3655] 3655,89 unequal: No Solution Exploring Operation: 85+43=128, Resulting Numbers: [128] 128,89 unequal: No Solution Exploring Operation: 85-43=42, Resulting Numbers: [42] 42,89 unequal: No Solution Moving to Node #0,1,4 Current State: 89:[14, 142], Operations: ['2+12=14', '57+85=142'] Exploring Operation: 14*142=1988, Resulting Numbers: [1988] 1988,89 unequal: No Solution Exploring Operation: 142-14=128, Resulting Numbers: [128] 128,89 unequal: No Solution Exploring Operation: 14+142=156, Resulting Numbers: [156] 156,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 89:[2, 85, 69], Operations: ['57+12=69'] Exploring Operation: 69-2=67, Resulting Numbers: [85, 67] Generated Node #0,3,0: 89:[85, 67] Operation: 69-2=67 Exploring Operation: 85-2=83, Resulting Numbers: [69, 83] Generated Node #0,3,1: 89:[69, 83] Operation: 85-2=83 Exploring Operation: 2*69=138, Resulting Numbers: [85, 138] Generated Node #0,3,2: 89:[85, 138] Operation: 2*69=138 Exploring Operation: 2+69=71, Resulting Numbers: [85, 71] Generated Node #0,3,3: 89:[85, 71] Operation: 2+69=71 Exploring Operation: 2+85=87, Resulting Numbers: [69, 87] Generated Node #0,3,4: 89:[69, 87] Operation: 2+85=87 Moving to Node #0,3,3 Current State: 89:[85, 71], Operations: ['57+12=69', '2+69=71'] Exploring Operation: 85+71=156, Resulting Numbers: [156] 156,89 unequal: No Solution Exploring Operation: 85*71=6035, Resulting Numbers: [6035] 6035,89 unequal: No Solution Exploring Operation: 85-71=14, Resulting Numbers: [14] 14,89 unequal: No Solution Moving to Node #0,3,4 Current State: 89:[69, 87], Operations: ['57+12=69', '2+85=87'] Exploring Operation: 87-69=18, Resulting Numbers: [18] 18,89 unequal: No Solution Exploring Operation: 69+87=156, Resulting Numbers: [156] 156,89 unequal: No Solution Exploring Operation: 69*87=6003, Resulting Numbers: [6003] 6003,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[85, 67], Operations: ['57+12=69', '69-2=67'] Exploring Operation: 85-67=18, Resulting Numbers: [18] 18,89 unequal: No Solution Exploring Operation: 85*67=5695, Resulting Numbers: [5695] 5695,89 unequal: No Solution Exploring Operation: 85+67=152, Resulting Numbers: [152] 152,89 unequal: No Solution Moving to Node #0,3,1 Current State: 89:[69, 83], Operations: ['57+12=69', '85-2=83'] Exploring Operation: 69*83=5727, Resulting Numbers: [5727] 5727,89 unequal: No Solution Exploring Operation: 69+83=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 83-69=14, Resulting Numbers: [14] 14,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[85, 138], Operations: ['57+12=69', '2*69=138'] Exploring Operation: 138-85=53, Resulting Numbers: [53] 53,89 unequal: No Solution Exploring Operation: 85+138=223, Resulting Numbers: [223] 223,89 unequal: No Solution Exploring Operation: 85*138=11730, Resulting Numbers: [11730] 11730,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 63, 91, 14, 44 ]
49
[ "63+91=154", "14*154=2156", "2156/44=49" ]
Current State: 49:[63, 91, 14, 44], Operations: [] Exploring Operation: 63+91=154, Resulting Numbers: [14, 44, 154] Generated Node #2: [14, 44, 154] from Operation: 63+91=154 Current State: 49:[14, 44, 154], Operations: ['63+91=154'] Exploring Operation: 14*154=2156, Resulting Numbers: [44, 2156] Generated Node #3: [44, 2156] from Operation: 14*154=2156 Current State: 49:[44, 2156], Operations: ['63+91=154', '14*154=2156'] Exploring Operation: 2156/44=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[63, 91, 14, 44], Operations: [] Exploring Operation: 91-44=47, Resulting Numbers: [63, 14, 47] Generated Node #0,0: 49:[63, 14, 47] Operation: 91-44=47 Moving to Node #0,0 Current State: 49:[63, 14, 47], Operations: ['91-44=47'] Exploring Operation: 63-14=49, Resulting Numbers: [47, 49] Generated Node #0,0,0: 49:[47, 49] Operation: 63-14=49 Moving to Node #0,0,0 Current State: 49:[47, 49], Operations: ['91-44=47', '63-14=49'] Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,49 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 98, 22, 45, 13 ]
18
[ "98-22=76", "45+13=58", "76-58=18" ]
Current State: 18:[98, 22, 45, 13], Operations: [] Exploring Operation: 98-22=76, Resulting Numbers: [45, 13, 76] Generated Node #2: [45, 13, 76] from Operation: 98-22=76 Current State: 18:[45, 13, 76], Operations: ['98-22=76'] Exploring Operation: 45+13=58, Resulting Numbers: [76, 58] Generated Node #3: [76, 58] from Operation: 45+13=58 Current State: 18:[76, 58], Operations: ['98-22=76', '45+13=58'] Exploring Operation: 76-58=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[98, 22, 45, 13], Operations: [] Exploring Operation: 98-45=53, Resulting Numbers: [22, 13, 53] Generated Node #0,0: 18:[22, 13, 53] Operation: 98-45=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[22, 13, 53], Operations: ['98-45=53'] Exploring Operation: 53-22=31, Resulting Numbers: [13, 31] Generated Node #0,0,0: 18:[13, 31] Operation: 53-22=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[13, 31], Operations: ['98-45=53', '53-22=31'] Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[98, 22, 45, 13], Operations: [] Exploring Operation: 98-45=53, Resulting Numbers: [22, 13, 53] Generated Node #0,0: 18:[22, 13, 53] Operation: 98-45=53 Moving to Node #0,0 Current State: 18:[22, 13, 53], Operations: ['98-45=53'] Exploring Operation: 53-22=31, Resulting Numbers: [13, 31] Generated Node #0,0,0: 18:[13, 31] Operation: 53-22=31 Moving to Node #0,0,0 Current State: 18:[13, 31], Operations: ['98-45=53', '53-22=31'] Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 90, 26, 38, 71 ]
97
[ "90-26=64", "71-38=33", "64+33=97" ]
Current State: 97:[90, 26, 38, 71], Operations: [] Exploring Operation: 90-26=64, Resulting Numbers: [38, 71, 64] Generated Node #2: [38, 71, 64] from Operation: 90-26=64 Current State: 97:[38, 71, 64], Operations: ['90-26=64'] Exploring Operation: 71-38=33, Resulting Numbers: [64, 33] Generated Node #3: [64, 33] from Operation: 71-38=33 Current State: 97:[64, 33], Operations: ['90-26=64', '71-38=33'] Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[90, 26, 38, 71], Operations: [] Exploring Operation: 38+71=109, Resulting Numbers: [90, 26, 109] Generated Node #0,0: 97:[90, 26, 109] Operation: 38+71=109 Exploring Operation: 26+71=97, Resulting Numbers: [90, 38, 97] Generated Node #0,1: 97:[90, 38, 97] Operation: 26+71=97 Exploring Operation: 26+38=64, Resulting Numbers: [90, 71, 64] Generated Node #0,2: 97:[90, 71, 64] Operation: 26+38=64 Moving to Node #0,1 Current State: 97:[90, 38, 97], Operations: ['26+71=97'] Exploring Operation: 90-38=52, Resulting Numbers: [97, 52] Generated Node #0,1,0: 97:[97, 52] Operation: 90-38=52 Exploring Operation: 38+97=135, Resulting Numbers: [90, 135] Generated Node #0,1,1: 97:[90, 135] Operation: 38+97=135 Exploring Operation: 90+38=128, Resulting Numbers: [97, 128] Generated Node #0,1,2: 97:[97, 128] Operation: 90+38=128 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[97, 128], Operations: ['26+71=97', '90+38=128'] Exploring Operation: 97*128=12416, Resulting Numbers: [12416] 12416,97 unequal: No Solution Exploring Operation: 128-97=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 97+128=225, Resulting Numbers: [225] 225,97 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 #0,1,0 Current State: 97:[97, 52], Operations: ['26+71=97', '90-38=52'] Exploring Operation: 97+52=149, Resulting Numbers: [149] 149,97 unequal: No Solution Exploring Operation: 97*52=5044, Resulting Numbers: [5044] 5044,97 unequal: No Solution Exploring Operation: 97-52=45, Resulting Numbers: [45] 45,97 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:[90, 135], Operations: ['26+71=97', '38+97=135'] Exploring Operation: 135-90=45, Resulting Numbers: [45] 45,97 unequal: No Solution Exploring Operation: 90+135=225, Resulting Numbers: [225] 225,97 unequal: No Solution Exploring Operation: 90*135=12150, Resulting Numbers: [12150] 12150,97 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:[90, 71, 64], Operations: ['26+38=64'] Exploring Operation: 90+71=161, Resulting Numbers: [64, 161] Generated Node #0,2,0: 97:[64, 161] Operation: 90+71=161 Exploring Operation: 71+64=135, Resulting Numbers: [90, 135] Generated Node #0,2,1: 97:[90, 135] Operation: 71+64=135 Exploring Operation: 90+64=154, Resulting Numbers: [71, 154] Generated Node #0,2,2: 97:[71, 154] Operation: 90+64=154 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[90, 135], Operations: ['26+38=64', '71+64=135'] Exploring Operation: 135-90=45, Resulting Numbers: [45] 45,97 unequal: No Solution Exploring Operation: 90+135=225, Resulting Numbers: [225] 225,97 unequal: No Solution Exploring Operation: 90*135=12150, Resulting Numbers: [12150] 12150,97 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:[71, 154], Operations: ['26+38=64', '90+64=154'] Exploring Operation: 71*154=10934, Resulting Numbers: [10934] 10934,97 unequal: No Solution Exploring Operation: 71+154=225, Resulting Numbers: [225] 225,97 unequal: No Solution Exploring Operation: 154-71=83, Resulting Numbers: [83] 83,97 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:[64, 161], Operations: ['26+38=64', '90+71=161'] Exploring Operation: 64+161=225, Resulting Numbers: [225] 225,97 unequal: No Solution Exploring Operation: 161-64=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[90, 26, 38, 71], Operations: [] Exploring Operation: 26+38=64, Resulting Numbers: [90, 71, 64] Generated Node #0,2: 97:[90, 71, 64] Operation: 26+38=64 Moving to Node #0,2 Current State: 97:[90, 71, 64], Operations: ['26+38=64'] Exploring Operation: 90+71=161, Resulting Numbers: [64, 161] Generated Node #0,2,0: 97:[64, 161] Operation: 90+71=161 Moving to Node #0,2,0 Current State: 97:[64, 161], Operations: ['26+38=64', '90+71=161'] Exploring Operation: 161-64=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_3
mult_heuristic
[ 1, 89, 91, 24 ]
24
[ "1+89=90", "91-90=1", "24*1=24" ]
Current State: 24:[1, 89, 91, 24], Operations: [] Exploring Operation: 1+89=90, Resulting Numbers: [91, 24, 90] Generated Node #2: [91, 24, 90] from Operation: 1+89=90 Current State: 24:[91, 24, 90], Operations: ['1+89=90'] Exploring Operation: 91-90=1, Resulting Numbers: [24, 1] Generated Node #3: [24, 1] from Operation: 91-90=1 Current State: 24:[24, 1], Operations: ['1+89=90', '91-90=1'] Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[1, 89, 91, 24], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [1, 24, 2] Generated Node #0,0: 24:[1, 24, 2] Operation: 91-89=2 Moving to Node #0,0 Current State: 24:[1, 24, 2], Operations: ['91-89=2'] Exploring Operation: 1*24=24, Resulting Numbers: [2, 24] Generated Node #0,0,0: 24:[2, 24] Operation: 1*24=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[2, 24], Operations: ['91-89=2', '1*24=24'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,24 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
[ 55, 65, 71, 8 ]
57
[ "55+65=120", "71-8=63", "120-63=57" ]
Current State: 57:[55, 65, 71, 8], Operations: [] Exploring Operation: 55+65=120, Resulting Numbers: [71, 8, 120] Generated Node #2: [71, 8, 120] from Operation: 55+65=120 Current State: 57:[71, 8, 120], Operations: ['55+65=120'] Exploring Operation: 71-8=63, Resulting Numbers: [120, 63] Generated Node #3: [120, 63] from Operation: 71-8=63 Current State: 57:[120, 63], Operations: ['55+65=120', '71-8=63'] Exploring Operation: 120-63=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[55, 65, 71, 8], Operations: [] Exploring Operation: 71-65=6, Resulting Numbers: [55, 8, 6] Generated Node #0,0: 57:[55, 8, 6] Operation: 71-65=6 Exploring Operation: 71-8=63, Resulting Numbers: [55, 65, 63] Generated Node #0,1: 57:[55, 65, 63] Operation: 71-8=63 Exploring Operation: 65-8=57, Resulting Numbers: [55, 71, 57] Generated Node #0,2: 57:[55, 71, 57] Operation: 65-8=57 Exploring Operation: 71-55=16, Resulting Numbers: [65, 8, 16] Generated Node #0,3: 57:[65, 8, 16] Operation: 71-55=16 Exploring Operation: 65-55=10, Resulting Numbers: [71, 8, 10] Generated Node #0,4: 57:[71, 8, 10] Operation: 65-55=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[55, 8, 6], Operations: ['71-65=6'] Exploring Operation: 55+6=61, Resulting Numbers: [8, 61] Generated Node #0,0,0: 57:[8, 61] Operation: 55+6=61 Exploring Operation: 55+8=63, Resulting Numbers: [6, 63] Generated Node #0,0,1: 57:[6, 63] Operation: 55+8=63 Exploring Operation: 8-6=2, Resulting Numbers: [55, 2] Generated Node #0,0,2: 57:[55, 2] Operation: 8-6=2 Exploring Operation: 8+6=14, Resulting Numbers: [55, 14] Generated Node #0,0,3: 57:[55, 14] Operation: 8+6=14 Exploring Operation: 8*6=48, Resulting Numbers: [55, 48] Generated Node #0,0,4: 57:[55, 48] Operation: 8*6=48 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 57:[55, 2], Operations: ['71-65=6', '8-6=2'] Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,57 unequal: No Solution Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[55, 65, 71, 8], Operations: [] Exploring Operation: 71-65=6, Resulting Numbers: [55, 8, 6] Generated Node #0,0: 57:[55, 8, 6] Operation: 71-65=6 Moving to Node #0,0 Current State: 57:[55, 8, 6], Operations: ['71-65=6'] Exploring Operation: 8-6=2, Resulting Numbers: [55, 2] Generated Node #0,0,2: 57:[55, 2] Operation: 8-6=2 Moving to Node #0,0,2 Current State: 57:[55, 2], Operations: ['71-65=6', '8-6=2'] Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 63, 45, 1, 70 ]
53
[ "63-45=18", "1+70=71", "71-18=53" ]
Current State: 53:[63, 45, 1, 70], Operations: [] Exploring Operation: 63-45=18, Resulting Numbers: [1, 70, 18] Generated Node #2: [1, 70, 18] from Operation: 63-45=18 Current State: 53:[1, 70, 18], Operations: ['63-45=18'] Exploring Operation: 1+70=71, Resulting Numbers: [18, 71] Generated Node #3: [18, 71] from Operation: 1+70=71 Current State: 53:[18, 71], Operations: ['63-45=18', '1+70=71'] Exploring Operation: 71-18=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[63, 45, 1, 70], Operations: [] Exploring Operation: 70-1=69, Resulting Numbers: [63, 45, 69] Generated Node #0,0: 53:[63, 45, 69] Operation: 70-1=69 Exploring Operation: 45+1=46, Resulting Numbers: [63, 70, 46] Generated Node #0,1: 53:[63, 70, 46] Operation: 45+1=46 Exploring Operation: 63-1=62, Resulting Numbers: [45, 70, 62] Generated Node #0,2: 53:[45, 70, 62] Operation: 63-1=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[63, 45, 69], Operations: ['70-1=69'] Exploring Operation: 69-63=6, Resulting Numbers: [45, 6] Generated Node #0,0,0: 53:[45, 6] Operation: 69-63=6 Exploring Operation: 69-45=24, Resulting Numbers: [63, 24] Generated Node #0,0,1: 53:[63, 24] Operation: 69-45=24 Exploring Operation: 63-45=18, Resulting Numbers: [69, 18] Generated Node #0,0,2: 53:[69, 18] Operation: 63-45=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[63, 24], Operations: ['70-1=69', '69-45=24'] Exploring Operation: 63+24=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 63-24=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 63*24=1512, Resulting Numbers: [1512] 1512,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 53:[69, 18], Operations: ['70-1=69', '63-45=18'] Exploring Operation: 69*18=1242, Resulting Numbers: [1242] 1242,53 unequal: No Solution Exploring Operation: 69+18=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[45, 6], Operations: ['70-1=69', '69-63=6'] Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 45*6=270, Resulting Numbers: [270] 270,53 unequal: No Solution Exploring Operation: 45+6=51, Resulting Numbers: [51] 51,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[63, 70, 46], Operations: ['45+1=46'] Exploring Operation: 63-46=17, Resulting Numbers: [70, 17] Generated Node #0,1,0: 53:[70, 17] Operation: 63-46=17 Exploring Operation: 70-63=7, Resulting Numbers: [46, 7] Generated Node #0,1,1: 53:[46, 7] Operation: 70-63=7 Exploring Operation: 70-46=24, Resulting Numbers: [63, 24] Generated Node #0,1,2: 53:[63, 24] Operation: 70-46=24 Moving to Node #0,1,2 Current State: 53:[63, 24], Operations: ['45+1=46', '70-46=24'] Exploring Operation: 63-24=39, Resulting Numbers: [39] 39,53 unequal: No Solution Exploring Operation: 63*24=1512, Resulting Numbers: [1512] 1512,53 unequal: No Solution Exploring Operation: 63+24=87, Resulting Numbers: [87] 87,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[70, 17], Operations: ['45+1=46', '63-46=17'] Exploring Operation: 70+17=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 70*17=1190, Resulting Numbers: [1190] 1190,53 unequal: No Solution Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[63, 45, 1, 70], Operations: [] Exploring Operation: 45+1=46, Resulting Numbers: [63, 70, 46] Generated Node #0,1: 53:[63, 70, 46] Operation: 45+1=46 Moving to Node #0,1 Current State: 53:[63, 70, 46], Operations: ['45+1=46'] Exploring Operation: 63-46=17, Resulting Numbers: [70, 17] Generated Node #0,1,0: 53:[70, 17] Operation: 63-46=17 Moving to Node #0,1,0 Current State: 53:[70, 17], Operations: ['45+1=46', '63-46=17'] Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 56, 63, 57, 12 ]
40
[ "57-12=45", "56*45=2520", "2520/63=40" ]
Current State: 40:[56, 63, 57, 12], Operations: [] Exploring Operation: 57-12=45, Resulting Numbers: [56, 63, 45] Generated Node #2: [56, 63, 45] from Operation: 57-12=45 Current State: 40:[56, 63, 45], Operations: ['57-12=45'] Exploring Operation: 56*45=2520, Resulting Numbers: [63, 2520] Generated Node #3: [63, 2520] from Operation: 56*45=2520 Current State: 40:[63, 2520], Operations: ['57-12=45', '56*45=2520'] Exploring Operation: 2520/63=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[56, 63, 57, 12], Operations: [] Exploring Operation: 57-56=1, Resulting Numbers: [63, 12, 1] Generated Node #0,0: 40:[63, 12, 1] Operation: 57-56=1 Exploring Operation: 63-57=6, Resulting Numbers: [56, 12, 6] Generated Node #0,1: 40:[56, 12, 6] Operation: 63-57=6 Exploring Operation: 63-56=7, Resulting Numbers: [57, 12, 7] Generated Node #0,2: 40:[57, 12, 7] Operation: 63-56=7 Exploring Operation: 63-12=51, Resulting Numbers: [56, 57, 51] Generated Node #0,3: 40:[56, 57, 51] Operation: 63-12=51 Exploring Operation: 56-12=44, Resulting Numbers: [63, 57, 44] Generated Node #0,4: 40:[63, 57, 44] Operation: 56-12=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[56, 12, 6], Operations: ['63-57=6'] Exploring Operation: 12+6=18, Resulting Numbers: [56, 18] Generated Node #0,1,0: 40:[56, 18] Operation: 12+6=18 Exploring Operation: 12-6=6, Resulting Numbers: [56, 6] Generated Node #0,1,1: 40:[56, 6] Operation: 12-6=6 Exploring Operation: 56-12=44, Resulting Numbers: [6, 44] Generated Node #0,1,2: 40:[6, 44] Operation: 56-12=44 Exploring Operation: 12/6=2, Resulting Numbers: [56, 2] Generated Node #0,1,3: 40:[56, 2] Operation: 12/6=2 Exploring Operation: 56-6=50, Resulting Numbers: [12, 50] Generated Node #0,1,4: 40:[12, 50] Operation: 56-6=50 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 40:[6, 44], Operations: ['63-57=6', '56-12=44'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,40 unequal: No Solution Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,40 unequal: No Solution Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 40:[12, 50], Operations: ['63-57=6', '56-6=50'] Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,40 unequal: No Solution Exploring Operation: 12*50=600, Resulting Numbers: [600] 600,40 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 40:[56, 2], Operations: ['63-57=6', '12/6=2'] Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,40 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,40 unequal: No Solution Exploring Operation: 56*2=112, Resulting Numbers: [112] 112,40 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 40:[56, 6], Operations: ['63-57=6', '12-6=6'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,40 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,40 unequal: No Solution Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 40:[56, 18], Operations: ['63-57=6', '12+6=18'] Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,40 unequal: No Solution Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,40 unequal: No Solution Exploring Operation: 56*18=1008, Resulting Numbers: [1008] 1008,40 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: 40:[57, 12, 7], Operations: ['63-56=7'] Exploring Operation: 57+7=64, Resulting Numbers: [12, 64] Generated Node #0,2,0: 40:[12, 64] Operation: 57+7=64 Exploring Operation: 57-12=45, Resulting Numbers: [7, 45] Generated Node #0,2,1: 40:[7, 45] Operation: 57-12=45 Exploring Operation: 57-7=50, Resulting Numbers: [12, 50] Generated Node #0,2,2: 40:[12, 50] Operation: 57-7=50 Exploring Operation: 12-7=5, Resulting Numbers: [57, 5] Generated Node #0,2,3: 40:[57, 5] Operation: 12-7=5 Exploring Operation: 12+7=19, Resulting Numbers: [57, 19] Generated Node #0,2,4: 40:[57, 19] Operation: 12+7=19 Moving to Node #0,2,1 Current State: 40:[7, 45], Operations: ['63-56=7', '57-12=45'] Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,40 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,40 unequal: No Solution Moving to Node #0,2,2 Current State: 40:[12, 50], Operations: ['63-56=7', '57-7=50'] Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,40 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,40 unequal: No Solution Exploring Operation: 12*50=600, Resulting Numbers: [600] 600,40 unequal: No Solution Moving to Node #0,2,3 Current State: 40:[57, 5], Operations: ['63-56=7', '12-7=5'] Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,40 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,40 unequal: No Solution Moving to Node #0,2,4 Current State: 40:[57, 19], Operations: ['63-56=7', '12+7=19'] Exploring Operation: 57*19=1083, Resulting Numbers: [1083] 1083,40 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,40 unequal: No Solution Exploring Operation: 57+19=76, Resulting Numbers: [76] 76,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[12, 64], Operations: ['63-56=7', '57+7=64'] Exploring Operation: 64-12=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 12*64=768, Resulting Numbers: [768] 768,40 unequal: No Solution Exploring Operation: 12+64=76, Resulting Numbers: [76] 76,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[63, 12, 1], Operations: ['57-56=1'] Exploring Operation: 12-1=11, Resulting Numbers: [63, 11] Generated Node #0,0,0: 40:[63, 11] Operation: 12-1=11 Exploring Operation: 63-1=62, Resulting Numbers: [12, 62] Generated Node #0,0,1: 40:[12, 62] Operation: 63-1=62 Exploring Operation: 63*1=63, Resulting Numbers: [12, 63] Generated Node #0,0,2: 40:[12, 63] Operation: 63*1=63 Exploring Operation: 63-12=51, Resulting Numbers: [1, 51] Generated Node #0,0,3: 40:[1, 51] Operation: 63-12=51 Exploring Operation: 63/1=63, Resulting Numbers: [12, 63] Generated Node #0,0,4: 40:[12, 63] Operation: 63/1=63 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 40:[1, 51], Operations: ['57-56=1', '63-12=51'] Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,40 unequal: No Solution Exploring Operation: 1+51=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 1*51=51, Resulting Numbers: [51] 51,40 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[63, 11], Operations: ['57-56=1', '12-1=11'] Exploring Operation: 63+11=74, Resulting Numbers: [74] 74,40 unequal: No Solution Exploring Operation: 63*11=693, Resulting Numbers: [693] 693,40 unequal: No Solution Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 40:[12, 62], Operations: ['57-56=1', '63-1=62'] Exploring Operation: 12+62=74, Resulting Numbers: [74] 74,40 unequal: No Solution Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,40 unequal: No Solution Exploring Operation: 12*62=744, Resulting Numbers: [744] 744,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 40:[12, 63], Operations: ['57-56=1', '63*1=63'] Exploring Operation: 63-12=51, Resulting Numbers: [51] 51,40 unequal: No Solution Exploring Operation: 12+63=75, Resulting Numbers: [75] 75,40 unequal: No Solution Exploring Operation: 12*63=756, Resulting Numbers: [756] 756,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 40:[12, 63], Operations: ['57-56=1', '63/1=63'] Exploring Operation: 63-12=51, Resulting Numbers: [51] 51,40 unequal: No Solution Exploring Operation: 12*63=756, Resulting Numbers: [756] 756,40 unequal: No Solution Exploring Operation: 12+63=75, Resulting Numbers: [75] 75,40 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: 40:[56, 57, 51], Operations: ['63-12=51'] Exploring Operation: 56+57=113, Resulting Numbers: [51, 113] Generated Node #0,3,0: 40:[51, 113] Operation: 56+57=113 Exploring Operation: 57-51=6, Resulting Numbers: [56, 6] Generated Node #0,3,1: 40:[56, 6] Operation: 57-51=6 Exploring Operation: 56-51=5, Resulting Numbers: [57, 5] Generated Node #0,3,2: 40:[57, 5] Operation: 56-51=5 Exploring Operation: 57-56=1, Resulting Numbers: [51, 1] Generated Node #0,3,3: 40:[51, 1] Operation: 57-56=1 Exploring Operation: 56+51=107, Resulting Numbers: [57, 107] Generated Node #0,3,4: 40:[57, 107] Operation: 56+51=107 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 40:[51, 1], Operations: ['63-12=51', '57-56=1'] Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,40 unequal: No Solution Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,40 unequal: No Solution Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 40:[56, 6], Operations: ['63-12=51', '57-51=6'] Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,40 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,40 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 40:[57, 5], Operations: ['63-12=51', '56-51=5'] Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,40 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,40 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 40:[51, 113], Operations: ['63-12=51', '56+57=113'] Exploring Operation: 51*113=5763, Resulting Numbers: [5763] 5763,40 unequal: No Solution Exploring Operation: 51+113=164, Resulting Numbers: [164] 164,40 unequal: No Solution Exploring Operation: 113-51=62, Resulting Numbers: [62] 62,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 40:[57, 107], Operations: ['63-12=51', '56+51=107'] Exploring Operation: 57*107=6099, Resulting Numbers: [6099] 6099,40 unequal: No Solution Exploring Operation: 57+107=164, Resulting Numbers: [164] 164,40 unequal: No Solution Exploring Operation: 107-57=50, Resulting Numbers: [50] 50,40 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: 40:[63, 57, 44], Operations: ['56-12=44'] Exploring Operation: 63+44=107, Resulting Numbers: [57, 107] Generated Node #0,4,0: 40:[57, 107] Operation: 63+44=107 Exploring Operation: 57-44=13, Resulting Numbers: [63, 13] Generated Node #0,4,1: 40:[63, 13] Operation: 57-44=13 Exploring Operation: 63-44=19, Resulting Numbers: [57, 19] Generated Node #0,4,2: 40:[57, 19] Operation: 63-44=19 Exploring Operation: 63-57=6, Resulting Numbers: [44, 6] Generated Node #0,4,3: 40:[44, 6] Operation: 63-57=6 Exploring Operation: 63+57=120, Resulting Numbers: [44, 120] Generated Node #0,4,4: 40:[44, 120] Operation: 63+57=120 Moving to Node #0,4,3 Current State: 40:[44, 6], Operations: ['56-12=44', '63-57=6'] Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,40 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,40 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,40 unequal: No Solution Moving to Node #0,4,2 Current State: 40:[57, 19], Operations: ['56-12=44', '63-44=19'] Exploring Operation: 57+19=76, Resulting Numbers: [76] 76,40 unequal: No Solution Exploring Operation: 57*19=1083, Resulting Numbers: [1083] 1083,40 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,40 unequal: No Solution Moving to Node #0,4,1 Current State: 40:[63, 13], Operations: ['56-12=44', '57-44=13'] Exploring Operation: 63*13=819, Resulting Numbers: [819] 819,40 unequal: No Solution Exploring Operation: 63+13=76, Resulting Numbers: [76] 76,40 unequal: No Solution Exploring Operation: 63-13=50, Resulting Numbers: [50] 50,40 unequal: No Solution Moving to Node #0,4,0 Current State: 40:[57, 107], Operations: ['56-12=44', '63+44=107'] Exploring Operation: 107-57=50, Resulting Numbers: [50] 50,40 unequal: No Solution Exploring Operation: 57+107=164, Resulting Numbers: [164] 164,40 unequal: No Solution Exploring Operation: 57*107=6099, Resulting Numbers: [6099] 6099,40 unequal: No Solution Moving to Node #0,4,4 Current State: 40:[44, 120], Operations: ['56-12=44', '63+57=120'] Exploring Operation: 44+120=164, Resulting Numbers: [164] 164,40 unequal: No Solution Exploring Operation: 44*120=5280, Resulting Numbers: [5280] 5280,40 unequal: No Solution Exploring Operation: 120-44=76, Resulting Numbers: [76] 76,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 5, 49, 90, 22 ]
58
[ "5+49=54", "90+22=112", "112-54=58" ]
Current State: 58:[5, 49, 90, 22], Operations: [] Exploring Operation: 5+49=54, Resulting Numbers: [90, 22, 54] Generated Node #2: [90, 22, 54] from Operation: 5+49=54 Current State: 58:[90, 22, 54], Operations: ['5+49=54'] Exploring Operation: 90+22=112, Resulting Numbers: [54, 112] Generated Node #3: [54, 112] from Operation: 90+22=112 Current State: 58:[54, 112], Operations: ['5+49=54', '90+22=112'] Exploring Operation: 112-54=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[5, 49, 90, 22], Operations: [] Exploring Operation: 90-22=68, Resulting Numbers: [5, 49, 68] Generated Node #0,0: 58:[5, 49, 68] Operation: 90-22=68 Exploring Operation: 90/5=18, Resulting Numbers: [49, 22, 18] Generated Node #0,1: 58:[49, 22, 18] Operation: 90/5=18 Exploring Operation: 49-22=27, Resulting Numbers: [5, 90, 27] Generated Node #0,2: 58:[5, 90, 27] Operation: 49-22=27 Exploring Operation: 90-49=41, Resulting Numbers: [5, 22, 41] Generated Node #0,3: 58:[5, 22, 41] Operation: 90-49=41 Moving to Node #0,0 Current State: 58:[5, 49, 68], Operations: ['90-22=68'] Exploring Operation: 5+49=54, Resulting Numbers: [68, 54] Generated Node #0,0,0: 58:[68, 54] Operation: 5+49=54 Exploring Operation: 68-49=19, Resulting Numbers: [5, 19] Generated Node #0,0,1: 58:[5, 19] Operation: 68-49=19 Exploring Operation: 68-5=63, Resulting Numbers: [49, 63] Generated Node #0,0,2: 58:[49, 63] Operation: 68-5=63 Exploring Operation: 49-5=44, Resulting Numbers: [68, 44] Generated Node #0,0,3: 58:[68, 44] Operation: 49-5=44 Moving to Node #0,3 Current State: 58:[5, 22, 41], Operations: ['90-49=41'] Exploring Operation: 5+22=27, Resulting Numbers: [41, 27] Generated Node #0,3,0: 58:[41, 27] Operation: 5+22=27 Exploring Operation: 41-5=36, Resulting Numbers: [22, 36] Generated Node #0,3,1: 58:[22, 36] Operation: 41-5=36 Exploring Operation: 41-22=19, Resulting Numbers: [5, 19] Generated Node #0,3,2: 58:[5, 19] Operation: 41-22=19 Exploring Operation: 22+41=63, Resulting Numbers: [5, 63] Generated Node #0,3,3: 58:[5, 63] Operation: 22+41=63 Moving to Node #0,1 Current State: 58:[49, 22, 18], Operations: ['90/5=18'] Exploring Operation: 49+18=67, Resulting Numbers: [22, 67] Generated Node #0,1,0: 58:[22, 67] Operation: 49+18=67 Exploring Operation: 49-22=27, Resulting Numbers: [18, 27] Generated Node #0,1,1: 58:[18, 27] Operation: 49-22=27 Exploring Operation: 22-18=4, Resulting Numbers: [49, 4] Generated Node #0,1,2: 58:[49, 4] Operation: 22-18=4 Exploring Operation: 49-18=31, Resulting Numbers: [22, 31] Generated Node #0,1,3: 58:[22, 31] Operation: 49-18=31 Moving to Node #0,2 Current State: 58:[5, 90, 27], Operations: ['49-22=27'] Exploring Operation: 90-5=85, Resulting Numbers: [27, 85] Generated Node #0,2,0: 58:[27, 85] Operation: 90-5=85 Exploring Operation: 90/5=18, Resulting Numbers: [27, 18] Generated Node #0,2,1: 58:[27, 18] Operation: 90/5=18 Exploring Operation: 90-27=63, Resulting Numbers: [5, 63] Generated Node #0,2,2: 58:[5, 63] Operation: 90-27=63 Exploring Operation: 5+27=32, Resulting Numbers: [90, 32] Generated Node #0,2,3: 58:[90, 32] Operation: 5+27=32 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 58:[5, 63], Operations: ['49-22=27', '90-27=63'] Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[5, 49, 90, 22], Operations: [] Exploring Operation: 49-22=27, Resulting Numbers: [5, 90, 27] Generated Node #0,2: 58:[5, 90, 27] Operation: 49-22=27 Moving to Node #0,2 Current State: 58:[5, 90, 27], Operations: ['49-22=27'] Exploring Operation: 90-27=63, Resulting Numbers: [5, 63] Generated Node #0,2,2: 58:[5, 63] Operation: 90-27=63 Moving to Node #0,2,2 Current State: 58:[5, 63], Operations: ['49-22=27', '90-27=63'] Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
mult_heuristic