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
[ 41, 36, 16, 14 ]
12
[ "41-14=27", "16*27=432", "432/36=12" ]
Current State: 12:[41, 36, 16, 14], Operations: [] Exploring Operation: 41-14=27, Resulting Numbers: [36, 16, 27] Generated Node #2: [36, 16, 27] from Operation: 41-14=27 Current State: 12:[36, 16, 27], Operations: ['41-14=27'] Exploring Operation: 16*27=432, Resulting Numbers: [36, 432] Generated Node #3: [36, 432] from Operation: 16*27=432 Current State: 12:[36, 432], Operations: ['41-14=27', '16*27=432'] Exploring Operation: 432/36=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[41, 36, 16, 14], Operations: [] Exploring Operation: 41-36=5, Resulting Numbers: [16, 14, 5] Generated Node #0,0: 12:[16, 14, 5] Operation: 41-36=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[16, 14, 5], Operations: ['41-36=5'] Exploring Operation: 16-14=2, Resulting Numbers: [5, 2] Generated Node #0,0,0: 12:[5, 2] Operation: 16-14=2 Moving to Node #0,0,0 Current State: 12:[5, 2], Operations: ['41-36=5', '16-14=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 94, 74, 21, 32 ]
32
[ "94-74=20", "21-20=1", "32*1=32" ]
Current State: 32:[94, 74, 21, 32], Operations: [] Exploring Operation: 94-74=20, Resulting Numbers: [21, 32, 20] Generated Node #2: [21, 32, 20] from Operation: 94-74=20 Current State: 32:[21, 32, 20], Operations: ['94-74=20'] Exploring Operation: 21-20=1, Resulting Numbers: [32, 1] Generated Node #3: [32, 1] from Operation: 21-20=1 Current State: 32:[32, 1], Operations: ['94-74=20', '21-20=1'] Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[94, 74, 21, 32], Operations: [] Exploring Operation: 74-21=53, Resulting Numbers: [94, 32, 53] Generated Node #0,0: 32:[94, 32, 53] Operation: 74-21=53 Exploring Operation: 94-74=20, Resulting Numbers: [21, 32, 20] Generated Node #0,1: 32:[21, 32, 20] Operation: 94-74=20 Exploring Operation: 74-32=42, Resulting Numbers: [94, 21, 42] Generated Node #0,2: 32:[94, 21, 42] Operation: 74-32=42 Exploring Operation: 94-32=62, Resulting Numbers: [74, 21, 62] Generated Node #0,3: 32:[74, 21, 62] Operation: 94-32=62 Exploring Operation: 94-21=73, Resulting Numbers: [74, 32, 73] Generated Node #0,4: 32:[74, 32, 73] Operation: 94-21=73 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[21, 32, 20], Operations: ['94-74=20'] Exploring Operation: 21-20=1, Resulting Numbers: [32, 1] Generated Node #0,1,0: 32:[32, 1] Operation: 21-20=1 Exploring Operation: 21+32=53, Resulting Numbers: [20, 53] Generated Node #0,1,1: 32:[20, 53] Operation: 21+32=53 Exploring Operation: 32-21=11, Resulting Numbers: [20, 11] Generated Node #0,1,2: 32:[20, 11] Operation: 32-21=11 Exploring Operation: 21+20=41, Resulting Numbers: [32, 41] Generated Node #0,1,3: 32:[32, 41] Operation: 21+20=41 Exploring Operation: 32-20=12, Resulting Numbers: [21, 12] Generated Node #0,1,4: 32:[21, 12] Operation: 32-20=12 Moving to Node #0,1,0 Current State: 32:[32, 1], Operations: ['94-74=20', '21-20=1'] Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[94, 74, 21, 32], Operations: [] Exploring Operation: 94-74=20, Resulting Numbers: [21, 32, 20] Generated Node #0,1: 32:[21, 32, 20] Operation: 94-74=20 Moving to Node #0,1 Current State: 32:[21, 32, 20], Operations: ['94-74=20'] Exploring Operation: 21-20=1, Resulting Numbers: [32, 1] Generated Node #0,1,0: 32:[32, 1] Operation: 21-20=1 Moving to Node #0,1,0 Current State: 32:[32, 1], Operations: ['94-74=20', '21-20=1'] Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 70, 55, 3, 96 ]
37
[ "70-55=15", "96+15=111", "111/3=37" ]
Current State: 37:[70, 55, 3, 96], Operations: [] Exploring Operation: 70-55=15, Resulting Numbers: [3, 96, 15] Generated Node #2: [3, 96, 15] from Operation: 70-55=15 Current State: 37:[3, 96, 15], Operations: ['70-55=15'] Exploring Operation: 96+15=111, Resulting Numbers: [3, 111] Generated Node #3: [3, 111] from Operation: 96+15=111 Current State: 37:[3, 111], Operations: ['70-55=15', '96+15=111'] Exploring Operation: 111/3=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[70, 55, 3, 96], Operations: [] Exploring Operation: 96/3=32, Resulting Numbers: [70, 55, 32] Generated Node #0,0: 37:[70, 55, 32] Operation: 96/3=32 Exploring Operation: 96-55=41, Resulting Numbers: [70, 3, 41] Generated Node #0,1: 37:[70, 3, 41] Operation: 96-55=41 Exploring Operation: 96-70=26, Resulting Numbers: [55, 3, 26] Generated Node #0,2: 37:[55, 3, 26] Operation: 96-70=26 Moving to Node #0,0 Current State: 37:[70, 55, 32], Operations: ['96/3=32'] Exploring Operation: 55-32=23, Resulting Numbers: [70, 23] Generated Node #0,0,0: 37:[70, 23] Operation: 55-32=23 Exploring Operation: 70-32=38, Resulting Numbers: [55, 38] Generated Node #0,0,1: 37:[55, 38] Operation: 70-32=38 Exploring Operation: 70-55=15, Resulting Numbers: [32, 15] Generated Node #0,0,2: 37:[32, 15] Operation: 70-55=15 Moving to Node #0,2 Current State: 37:[55, 3, 26], Operations: ['96-70=26'] Exploring Operation: 55-3=52, Resulting Numbers: [26, 52] Generated Node #0,2,0: 37:[26, 52] Operation: 55-3=52 Exploring Operation: 55+3=58, Resulting Numbers: [26, 58] Generated Node #0,2,1: 37:[26, 58] Operation: 55+3=58 Exploring Operation: 3+26=29, Resulting Numbers: [55, 29] Generated Node #0,2,2: 37:[55, 29] Operation: 3+26=29 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 37:[26, 52], Operations: ['96-70=26', '55-3=52'] Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 26+52=78, Resulting Numbers: [78] 78,37 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 37:[55, 29], Operations: ['96-70=26', '3+26=29'] Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,37 unequal: No Solution Exploring Operation: 55*29=1595, Resulting Numbers: [1595] 1595,37 unequal: No Solution Exploring Operation: 55+29=84, Resulting Numbers: [84] 84,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 37:[26, 58], Operations: ['96-70=26', '55+3=58'] Exploring Operation: 26+58=84, Resulting Numbers: [84] 84,37 unequal: No Solution Exploring Operation: 26*58=1508, Resulting Numbers: [1508] 1508,37 unequal: No Solution Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,37 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: 37:[70, 3, 41], Operations: ['96-55=41'] Exploring Operation: 41-3=38, Resulting Numbers: [70, 38] Generated Node #0,1,0: 37:[70, 38] Operation: 41-3=38 Exploring Operation: 70+3=73, Resulting Numbers: [41, 73] Generated Node #0,1,1: 37:[41, 73] Operation: 70+3=73 Exploring Operation: 70-3=67, Resulting Numbers: [41, 67] Generated Node #0,1,2: 37:[41, 67] Operation: 70-3=67 Moving to Node #0,0,1 Current State: 37:[55, 38], Operations: ['96/3=32', '70-32=38'] Exploring Operation: 55+38=93, Resulting Numbers: [93] 93,37 unequal: No Solution Exploring Operation: 55*38=2090, Resulting Numbers: [2090] 2090,37 unequal: No Solution Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[32, 15], Operations: ['96/3=32', '70-55=15'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[41, 67], Operations: ['96-55=41', '70-3=67'] Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,37 unequal: No Solution Exploring Operation: 41*67=2747, Resulting Numbers: [2747] 2747,37 unequal: No Solution Exploring Operation: 41+67=108, Resulting Numbers: [108] 108,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[70, 38], Operations: ['96-55=41', '41-3=38'] Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,37 unequal: No Solution Exploring Operation: 70+38=108, Resulting Numbers: [108] 108,37 unequal: No Solution Exploring Operation: 70*38=2660, Resulting Numbers: [2660] 2660,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[41, 73], Operations: ['96-55=41', '70+3=73'] Exploring Operation: 41*73=2993, Resulting Numbers: [2993] 2993,37 unequal: No Solution Exploring Operation: 73-41=32, Resulting Numbers: [32] 32,37 unequal: No Solution Exploring Operation: 41+73=114, Resulting Numbers: [114] 114,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[70, 23], Operations: ['96/3=32', '55-32=23'] Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,37 unequal: No Solution Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,37 unequal: No Solution Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,37 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 14, 56, 39, 41 ]
63
[ "41-39=2", "14/2=7", "56+7=63" ]
Current State: 63:[14, 56, 39, 41], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [14, 56, 2] Generated Node #2: [14, 56, 2] from Operation: 41-39=2 Current State: 63:[14, 56, 2], Operations: ['41-39=2'] Exploring Operation: 14/2=7, Resulting Numbers: [56, 7] Generated Node #3: [56, 7] from Operation: 14/2=7 Current State: 63:[56, 7], Operations: ['41-39=2', '14/2=7'] Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[14, 56, 39, 41], Operations: [] Exploring Operation: 39+41=80, Resulting Numbers: [14, 56, 80] Generated Node #0,0: 63:[14, 56, 80] Operation: 39+41=80 Exploring Operation: 56-39=17, Resulting Numbers: [14, 41, 17] Generated Node #0,1: 63:[14, 41, 17] Operation: 56-39=17 Exploring Operation: 56-41=15, Resulting Numbers: [14, 39, 15] Generated Node #0,2: 63:[14, 39, 15] Operation: 56-41=15 Exploring Operation: 41-39=2, Resulting Numbers: [14, 56, 2] Generated Node #0,3: 63:[14, 56, 2] Operation: 41-39=2 Exploring Operation: 39-14=25, Resulting Numbers: [56, 41, 25] Generated Node #0,4: 63:[56, 41, 25] Operation: 39-14=25 Moving to Node #0,3 Current State: 63:[14, 56, 2], Operations: ['41-39=2'] Exploring Operation: 56/14=4, Resulting Numbers: [2, 4] Generated Node #0,3,0: 63:[2, 4] Operation: 56/14=4 Exploring Operation: 14-2=12, Resulting Numbers: [56, 12] Generated Node #0,3,1: 63:[56, 12] Operation: 14-2=12 Exploring Operation: 14/2=7, Resulting Numbers: [56, 7] Generated Node #0,3,2: 63:[56, 7] Operation: 14/2=7 Exploring Operation: 56+2=58, Resulting Numbers: [14, 58] Generated Node #0,3,3: 63:[14, 58] Operation: 56+2=58 Exploring Operation: 14+56=70, Resulting Numbers: [2, 70] Generated Node #0,3,4: 63:[2, 70] Operation: 14+56=70 Moving to Node #0,1 Current State: 63:[14, 41, 17], Operations: ['56-39=17'] Exploring Operation: 14+41=55, Resulting Numbers: [17, 55] Generated Node #0,1,0: 63:[17, 55] Operation: 14+41=55 Exploring Operation: 17-14=3, Resulting Numbers: [41, 3] Generated Node #0,1,1: 63:[41, 3] Operation: 17-14=3 Exploring Operation: 41-14=27, Resulting Numbers: [17, 27] Generated Node #0,1,2: 63:[17, 27] Operation: 41-14=27 Exploring Operation: 41+17=58, Resulting Numbers: [14, 58] Generated Node #0,1,3: 63:[14, 58] Operation: 41+17=58 Exploring Operation: 41-17=24, Resulting Numbers: [14, 24] Generated Node #0,1,4: 63:[14, 24] Operation: 41-17=24 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 63:[14, 24], Operations: ['56-39=17', '41-17=24'] Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 63:[17, 27], Operations: ['56-39=17', '41-14=27'] Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,63 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,63 unequal: No Solution Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 63:[14, 58], Operations: ['56-39=17', '41+17=58'] Exploring Operation: 14*58=812, Resulting Numbers: [812] 812,63 unequal: No Solution Exploring Operation: 14+58=72, Resulting Numbers: [72] 72,63 unequal: No Solution Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 63:[17, 55], Operations: ['56-39=17', '14+41=55'] Exploring Operation: 17*55=935, Resulting Numbers: [935] 935,63 unequal: No Solution Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 17+55=72, Resulting Numbers: [72] 72,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 63:[41, 3], Operations: ['56-39=17', '17-14=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,63 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 63:[14, 56, 80], Operations: ['39+41=80'] Exploring Operation: 80-56=24, Resulting Numbers: [14, 24] Generated Node #0,0,0: 63:[14, 24] Operation: 80-56=24 Exploring Operation: 56-14=42, Resulting Numbers: [80, 42] Generated Node #0,0,1: 63:[80, 42] Operation: 56-14=42 Exploring Operation: 56/14=4, Resulting Numbers: [80, 4] Generated Node #0,0,2: 63:[80, 4] Operation: 56/14=4 Exploring Operation: 14+56=70, Resulting Numbers: [80, 70] Generated Node #0,0,3: 63:[80, 70] Operation: 14+56=70 Exploring Operation: 80-14=66, Resulting Numbers: [56, 66] Generated Node #0,0,4: 63:[56, 66] Operation: 80-14=66 Moving to Node #0,2 Current State: 63:[14, 39, 15], Operations: ['56-41=15'] Exploring Operation: 39+15=54, Resulting Numbers: [14, 54] Generated Node #0,2,0: 63:[14, 54] Operation: 39+15=54 Exploring Operation: 39-15=24, Resulting Numbers: [14, 24] Generated Node #0,2,1: 63:[14, 24] Operation: 39-15=24 Exploring Operation: 14+39=53, Resulting Numbers: [15, 53] Generated Node #0,2,2: 63:[15, 53] Operation: 14+39=53 Exploring Operation: 15-14=1, Resulting Numbers: [39, 1] Generated Node #0,2,3: 63:[39, 1] Operation: 15-14=1 Exploring Operation: 39-14=25, Resulting Numbers: [15, 25] Generated Node #0,2,4: 63:[15, 25] Operation: 39-14=25 Moving to Node #0,4 Current State: 63:[56, 41, 25], Operations: ['39-14=25'] Exploring Operation: 41+25=66, Resulting Numbers: [56, 66] Generated Node #0,4,0: 63:[56, 66] Operation: 41+25=66 Exploring Operation: 56-41=15, Resulting Numbers: [25, 15] Generated Node #0,4,1: 63:[25, 15] Operation: 56-41=15 Exploring Operation: 56-25=31, Resulting Numbers: [41, 31] Generated Node #0,4,2: 63:[41, 31] Operation: 56-25=31 Exploring Operation: 56+41=97, Resulting Numbers: [25, 97] Generated Node #0,4,3: 63:[25, 97] Operation: 56+41=97 Exploring Operation: 41-25=16, Resulting Numbers: [56, 16] Generated Node #0,4,4: 63:[56, 16] Operation: 41-25=16 Moving to Node #0,3,0 Current State: 63:[2, 4], Operations: ['41-39=2', '56/14=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,63 unequal: No Solution Moving to Node #0,3,2 Current State: 63:[56, 7], Operations: ['41-39=2', '14/2=7'] Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,63 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,63 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[14, 56, 39, 41], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [14, 56, 2] Generated Node #0,3: 63:[14, 56, 2] Operation: 41-39=2 Moving to Node #0,3 Current State: 63:[14, 56, 2], Operations: ['41-39=2'] Exploring Operation: 14/2=7, Resulting Numbers: [56, 7] Generated Node #0,3,2: 63:[56, 7] Operation: 14/2=7 Moving to Node #0,3,2 Current State: 63:[56, 7], Operations: ['41-39=2', '14/2=7'] Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
0.951389
hs_5
mult_heuristic
[ 40, 11, 59, 52 ]
91
[ "11+59=70", "52*70=3640", "3640/40=91" ]
Current State: 91:[40, 11, 59, 52], Operations: [] Exploring Operation: 11+59=70, Resulting Numbers: [40, 52, 70] Generated Node #2: [40, 52, 70] from Operation: 11+59=70 Current State: 91:[40, 52, 70], Operations: ['11+59=70'] Exploring Operation: 52*70=3640, Resulting Numbers: [40, 3640] Generated Node #3: [40, 3640] from Operation: 52*70=3640 Current State: 91:[40, 3640], Operations: ['11+59=70', '52*70=3640'] Exploring Operation: 3640/40=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[40, 11, 59, 52], Operations: [] Exploring Operation: 59-52=7, Resulting Numbers: [40, 11, 7] Generated Node #0,0: 91:[40, 11, 7] Operation: 59-52=7 Exploring Operation: 40+52=92, Resulting Numbers: [11, 59, 92] Generated Node #0,1: 91:[11, 59, 92] Operation: 40+52=92 Exploring Operation: 52-40=12, Resulting Numbers: [11, 59, 12] Generated Node #0,2: 91:[11, 59, 12] Operation: 52-40=12 Exploring Operation: 59-40=19, Resulting Numbers: [11, 52, 19] Generated Node #0,3: 91:[11, 52, 19] Operation: 59-40=19 Moving to Node #0,0 Current State: 91:[40, 11, 7], Operations: ['59-52=7'] Exploring Operation: 11-7=4, Resulting Numbers: [40, 4] Generated Node #0,0,0: 91:[40, 4] Operation: 11-7=4 Exploring Operation: 40-11=29, Resulting Numbers: [7, 29] Generated Node #0,0,1: 91:[7, 29] Operation: 40-11=29 Exploring Operation: 40-7=33, Resulting Numbers: [11, 33] Generated Node #0,0,2: 91:[11, 33] Operation: 40-7=33 Exploring Operation: 11+7=18, Resulting Numbers: [40, 18] Generated Node #0,0,3: 91:[40, 18] Operation: 11+7=18 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 91:[7, 29], Operations: ['59-52=7', '40-11=29'] Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 7*29=203, Resulting Numbers: [203] 203,91 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,91 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 #0,0,2 Current State: 91:[11, 33], Operations: ['59-52=7', '40-7=33'] Exploring Operation: 11*33=363, Resulting Numbers: [363] 363,91 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,91 unequal: No Solution Exploring Operation: 11+33=44, Resulting Numbers: [44] 44,91 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 #0,0,0 Current State: 91:[40, 4], Operations: ['59-52=7', '11-7=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,91 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,91 unequal: No Solution Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,91 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,91 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 #0,0,3 Current State: 91:[40, 18], Operations: ['59-52=7', '11+7=18'] Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 40*18=720, Resulting Numbers: [720] 720,91 unequal: No Solution Exploring Operation: 40+18=58, Resulting Numbers: [58] 58,91 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: 91:[11, 59, 12], Operations: ['52-40=12'] Exploring Operation: 59+12=71, Resulting Numbers: [11, 71] Generated Node #0,2,0: 91:[11, 71] Operation: 59+12=71 Exploring Operation: 59-11=48, Resulting Numbers: [12, 48] Generated Node #0,2,1: 91:[12, 48] Operation: 59-11=48 Exploring Operation: 11+59=70, Resulting Numbers: [12, 70] Generated Node #0,2,2: 91:[12, 70] Operation: 11+59=70 Exploring Operation: 59-12=47, Resulting Numbers: [11, 47] Generated Node #0,2,3: 91:[11, 47] Operation: 59-12=47 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[11, 71], Operations: ['52-40=12', '59+12=71'] Exploring Operation: 11*71=781, Resulting Numbers: [781] 781,91 unequal: No Solution Exploring Operation: 11+71=82, Resulting Numbers: [82] 82,91 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[12, 70], Operations: ['52-40=12', '11+59=70'] Exploring Operation: 12+70=82, Resulting Numbers: [82] 82,91 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,91 unequal: No Solution Exploring Operation: 12*70=840, Resulting Numbers: [840] 840,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[12, 48], Operations: ['52-40=12', '59-11=48'] Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,91 unequal: No Solution Exploring Operation: 12*48=576, Resulting Numbers: [576] 576,91 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 91:[11, 47], Operations: ['52-40=12', '59-12=47'] Exploring Operation: 11*47=517, Resulting Numbers: [517] 517,91 unequal: No Solution Exploring Operation: 11+47=58, Resulting Numbers: [58] 58,91 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,91 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: 91:[11, 59, 92], Operations: ['40+52=92'] Exploring Operation: 59-11=48, Resulting Numbers: [92, 48] Generated Node #0,1,0: 91:[92, 48] Operation: 59-11=48 Exploring Operation: 92-11=81, Resulting Numbers: [59, 81] Generated Node #0,1,1: 91:[59, 81] Operation: 92-11=81 Exploring Operation: 11+59=70, Resulting Numbers: [92, 70] Generated Node #0,1,2: 91:[92, 70] Operation: 11+59=70 Exploring Operation: 92-59=33, Resulting Numbers: [11, 33] Generated Node #0,1,3: 91:[11, 33] Operation: 92-59=33 Moving to Node #0,3 Current State: 91:[11, 52, 19], Operations: ['59-40=19'] Exploring Operation: 52+19=71, Resulting Numbers: [11, 71] Generated Node #0,3,0: 91:[11, 71] Operation: 52+19=71 Exploring Operation: 52-19=33, Resulting Numbers: [11, 33] Generated Node #0,3,1: 91:[11, 33] Operation: 52-19=33 Exploring Operation: 11+52=63, Resulting Numbers: [19, 63] Generated Node #0,3,2: 91:[19, 63] Operation: 11+52=63 Exploring Operation: 52-11=41, Resulting Numbers: [19, 41] Generated Node #0,3,3: 91:[19, 41] Operation: 52-11=41 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 91:[11, 71], Operations: ['59-40=19', '52+19=71'] Exploring Operation: 11+71=82, Resulting Numbers: [82] 82,91 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,91 unequal: No Solution Exploring Operation: 11*71=781, Resulting Numbers: [781] 781,91 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 #0,3,1 Current State: 91:[11, 33], Operations: ['59-40=19', '52-19=33'] Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 11*33=363, Resulting Numbers: [363] 363,91 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,91 unequal: No Solution Exploring Operation: 11+33=44, Resulting Numbers: [44] 44,91 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 #0,3,2 Current State: 91:[19, 63], Operations: ['59-40=19', '11+52=63'] Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,91 unequal: No Solution Exploring Operation: 19+63=82, Resulting Numbers: [82] 82,91 unequal: No Solution Exploring Operation: 19*63=1197, Resulting Numbers: [1197] 1197,91 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 #0,3,3 Current State: 91:[19, 41], Operations: ['59-40=19', '52-11=41'] Exploring Operation: 19*41=779, Resulting Numbers: [779] 779,91 unequal: No Solution Exploring Operation: 19+41=60, Resulting Numbers: [60] 60,91 unequal: No Solution Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 91:[92, 70], Operations: ['40+52=92', '11+59=70'] Exploring Operation: 92*70=6440, Resulting Numbers: [6440] 6440,91 unequal: No Solution Exploring Operation: 92-70=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 92+70=162, Resulting Numbers: [162] 162,91 unequal: No Solution Moving to Node #0,1,3 Current State: 91:[11, 33], Operations: ['40+52=92', '92-59=33'] Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,91 unequal: No Solution Exploring Operation: 11*33=363, Resulting Numbers: [363] 363,91 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 11+33=44, Resulting Numbers: [44] 44,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[92, 48], Operations: ['40+52=92', '59-11=48'] Exploring Operation: 92+48=140, Resulting Numbers: [140] 140,91 unequal: No Solution Exploring Operation: 92-48=44, Resulting Numbers: [44] 44,91 unequal: No Solution Exploring Operation: 92*48=4416, Resulting Numbers: [4416] 4416,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[59, 81], Operations: ['40+52=92', '92-11=81'] Exploring Operation: 81-59=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 59*81=4779, Resulting Numbers: [4779] 4779,91 unequal: No Solution Exploring Operation: 59+81=140, Resulting Numbers: [140] 140,91 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 2, 78, 67, 35 ]
19
[ "78-35=43", "2*43=86", "86-67=19" ]
Current State: 19:[2, 78, 67, 35], Operations: [] Exploring Operation: 78-35=43, Resulting Numbers: [2, 67, 43] Generated Node #2: [2, 67, 43] from Operation: 78-35=43 Current State: 19:[2, 67, 43], Operations: ['78-35=43'] Exploring Operation: 2*43=86, Resulting Numbers: [67, 86] Generated Node #3: [67, 86] from Operation: 2*43=86 Current State: 19:[67, 86], Operations: ['78-35=43', '2*43=86'] Exploring Operation: 86-67=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[2, 78, 67, 35], Operations: [] Exploring Operation: 78-67=11, Resulting Numbers: [2, 35, 11] Generated Node #0,0: 19:[2, 35, 11] Operation: 78-67=11 Exploring Operation: 78/2=39, Resulting Numbers: [67, 35, 39] Generated Node #0,1: 19:[67, 35, 39] Operation: 78/2=39 Moving to Node #0,0 Current State: 19:[2, 35, 11], Operations: ['78-67=11'] Exploring Operation: 2*11=22, Resulting Numbers: [35, 22] Generated Node #0,0,0: 19:[35, 22] Operation: 2*11=22 Exploring Operation: 35-2=33, Resulting Numbers: [11, 33] Generated Node #0,0,1: 19:[11, 33] Operation: 35-2=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[35, 22], Operations: ['78-67=11', '2*11=22'] Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 35+22=57, Resulting Numbers: [57] 57,19 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 #0,0,1 Current State: 19:[11, 33], Operations: ['78-67=11', '35-2=33'] Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,19 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: 19:[67, 35, 39], Operations: ['78/2=39'] Exploring Operation: 67-35=32, Resulting Numbers: [39, 32] Generated Node #0,1,0: 19:[39, 32] Operation: 67-35=32 Exploring Operation: 67-39=28, Resulting Numbers: [35, 28] Generated Node #0,1,1: 19:[35, 28] Operation: 67-39=28 Moving to Node #0,1,1 Current State: 19:[35, 28], Operations: ['78/2=39', '67-39=28'] Exploring Operation: 35+28=63, Resulting Numbers: [63] 63,19 unequal: No Solution Exploring Operation: 35-28=7, Resulting Numbers: [7] 7,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[39, 32], Operations: ['78/2=39', '67-35=32'] Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,19 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,19 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 69, 85, 49, 23 ]
39
[ "69/23=3", "85-49=36", "3+36=39" ]
Current State: 39:[69, 85, 49, 23], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [85, 49, 3] Generated Node #2: [85, 49, 3] from Operation: 69/23=3 Current State: 39:[85, 49, 3], Operations: ['69/23=3'] Exploring Operation: 85-49=36, Resulting Numbers: [3, 36] Generated Node #3: [3, 36] from Operation: 85-49=36 Current State: 39:[3, 36], Operations: ['69/23=3', '85-49=36'] Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[69, 85, 49, 23], Operations: [] Exploring Operation: 85-49=36, Resulting Numbers: [69, 23, 36] Generated Node #0,0: 39:[69, 23, 36] Operation: 85-49=36 Exploring Operation: 69/23=3, Resulting Numbers: [85, 49, 3] Generated Node #0,1: 39:[85, 49, 3] Operation: 69/23=3 Exploring Operation: 85-69=16, Resulting Numbers: [49, 23, 16] Generated Node #0,2: 39:[49, 23, 16] Operation: 85-69=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[49, 23, 16], Operations: ['85-69=16'] Exploring Operation: 49-23=26, Resulting Numbers: [16, 26] Generated Node #0,2,0: 39:[16, 26] Operation: 49-23=26 Exploring Operation: 23+16=39, Resulting Numbers: [49, 39] Generated Node #0,2,1: 39:[49, 39] Operation: 23+16=39 Exploring Operation: 23-16=7, Resulting Numbers: [49, 7] Generated Node #0,2,2: 39:[49, 7] Operation: 23-16=7 Moving to Node #0,2,1 Current State: 39:[49, 39], Operations: ['85-69=16', '23+16=39'] Exploring Operation: 49*39=1911, Resulting Numbers: [1911] 1911,39 unequal: No Solution Exploring Operation: 49+39=88, Resulting Numbers: [88] 88,39 unequal: No Solution Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[49, 7], Operations: ['85-69=16', '23-16=7'] Exploring Operation: 49/7=7, Resulting Numbers: [7] 7,39 unequal: No Solution Exploring Operation: 49+7=56, Resulting Numbers: [56] 56,39 unequal: No Solution Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[16, 26], Operations: ['85-69=16', '49-23=26'] Exploring Operation: 16*26=416, Resulting Numbers: [416] 416,39 unequal: No Solution Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,39 unequal: No Solution Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[69, 23, 36], Operations: ['85-49=36'] Exploring Operation: 69-23=46, Resulting Numbers: [36, 46] Generated Node #0,0,0: 39:[36, 46] Operation: 69-23=46 Exploring Operation: 69-36=33, Resulting Numbers: [23, 33] Generated Node #0,0,1: 39:[23, 33] Operation: 69-36=33 Exploring Operation: 69/23=3, Resulting Numbers: [36, 3] Generated Node #0,0,2: 39:[36, 3] Operation: 69/23=3 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[36, 3], Operations: ['85-49=36', '69/23=3'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,39 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[69, 85, 49, 23], Operations: [] Exploring Operation: 85-49=36, Resulting Numbers: [69, 23, 36] Generated Node #0,0: 39:[69, 23, 36] Operation: 85-49=36 Moving to Node #0,0 Current State: 39:[69, 23, 36], Operations: ['85-49=36'] Exploring Operation: 69/23=3, Resulting Numbers: [36, 3] Generated Node #0,0,2: 39:[36, 3] Operation: 69/23=3 Moving to Node #0,0,2 Current State: 39:[36, 3], Operations: ['85-49=36', '69/23=3'] Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 44, 31, 65, 66 ]
56
[ "44+31=75", "65+66=131", "131-75=56" ]
Current State: 56:[44, 31, 65, 66], Operations: [] Exploring Operation: 44+31=75, Resulting Numbers: [65, 66, 75] Generated Node #2: [65, 66, 75] from Operation: 44+31=75 Current State: 56:[65, 66, 75], Operations: ['44+31=75'] Exploring Operation: 65+66=131, Resulting Numbers: [75, 131] Generated Node #3: [75, 131] from Operation: 65+66=131 Current State: 56:[75, 131], Operations: ['44+31=75', '65+66=131'] Exploring Operation: 131-75=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[44, 31, 65, 66], Operations: [] Exploring Operation: 44-31=13, Resulting Numbers: [65, 66, 13] Generated Node #0,0: 56:[65, 66, 13] Operation: 44-31=13 Exploring Operation: 66-44=22, Resulting Numbers: [31, 65, 22] Generated Node #0,1: 56:[31, 65, 22] Operation: 66-44=22 Exploring Operation: 65-31=34, Resulting Numbers: [44, 66, 34] Generated Node #0,2: 56:[44, 66, 34] Operation: 65-31=34 Exploring Operation: 65-44=21, Resulting Numbers: [31, 66, 21] Generated Node #0,3: 56:[31, 66, 21] Operation: 65-44=21 Exploring Operation: 66-65=1, Resulting Numbers: [44, 31, 1] Generated Node #0,4: 56:[44, 31, 1] Operation: 66-65=1 Moving to Node #0,4 Current State: 56:[44, 31, 1], Operations: ['66-65=1'] Exploring Operation: 44-31=13, Resulting Numbers: [1, 13] Generated Node #0,4,0: 56:[1, 13] Operation: 44-31=13 Exploring Operation: 31-1=30, Resulting Numbers: [44, 30] Generated Node #0,4,1: 56:[44, 30] Operation: 31-1=30 Exploring Operation: 44*1=44, Resulting Numbers: [31, 44] Generated Node #0,4,2: 56:[31, 44] Operation: 44*1=44 Exploring Operation: 44+1=45, Resulting Numbers: [31, 45] Generated Node #0,4,3: 56:[31, 45] Operation: 44+1=45 Exploring Operation: 44/1=44, Resulting Numbers: [31, 44] Generated Node #0,4,4: 56:[31, 44] Operation: 44/1=44 Moving to Node #0,1 Current State: 56:[31, 65, 22], Operations: ['66-44=22'] Exploring Operation: 31+22=53, Resulting Numbers: [65, 53] Generated Node #0,1,0: 56:[65, 53] Operation: 31+22=53 Exploring Operation: 65+22=87, Resulting Numbers: [31, 87] Generated Node #0,1,1: 56:[31, 87] Operation: 65+22=87 Exploring Operation: 31-22=9, Resulting Numbers: [65, 9] Generated Node #0,1,2: 56:[65, 9] Operation: 31-22=9 Exploring Operation: 65-31=34, Resulting Numbers: [22, 34] Generated Node #0,1,3: 56:[22, 34] Operation: 65-31=34 Exploring Operation: 65-22=43, Resulting Numbers: [31, 43] Generated Node #0,1,4: 56:[31, 43] Operation: 65-22=43 Moving to Node #0,0 Current State: 56:[65, 66, 13], Operations: ['44-31=13'] Exploring Operation: 65+13=78, Resulting Numbers: [66, 78] Generated Node #0,0,0: 56:[66, 78] Operation: 65+13=78 Exploring Operation: 66-13=53, Resulting Numbers: [65, 53] Generated Node #0,0,1: 56:[65, 53] Operation: 66-13=53 Exploring Operation: 66-65=1, Resulting Numbers: [13, 1] Generated Node #0,0,2: 56:[13, 1] Operation: 66-65=1 Exploring Operation: 65/13=5, Resulting Numbers: [66, 5] Generated Node #0,0,3: 56:[66, 5] Operation: 65/13=5 Exploring Operation: 65-13=52, Resulting Numbers: [66, 52] Generated Node #0,0,4: 56:[66, 52] Operation: 65-13=52 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 56:[13, 1], Operations: ['44-31=13', '66-65=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,56 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 #0,0,3 Current State: 56:[66, 5], Operations: ['44-31=13', '65/13=5'] Exploring Operation: 66*5=330, Resulting Numbers: [330] 330,56 unequal: No Solution Exploring Operation: 66+5=71, Resulting Numbers: [71] 71,56 unequal: No Solution Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,56 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 #0,0,1 Current State: 56:[65, 53], Operations: ['44-31=13', '66-13=53'] Exploring Operation: 65+53=118, Resulting Numbers: [118] 118,56 unequal: No Solution Exploring Operation: 65-53=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 65*53=3445, Resulting Numbers: [3445] 3445,56 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 #0,0,4 Current State: 56:[66, 52], Operations: ['44-31=13', '65-13=52'] Exploring Operation: 66*52=3432, Resulting Numbers: [3432] 3432,56 unequal: No Solution Exploring Operation: 66+52=118, Resulting Numbers: [118] 118,56 unequal: No Solution Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,56 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 #0,0,0 Current State: 56:[66, 78], Operations: ['44-31=13', '65+13=78'] Exploring Operation: 66+78=144, Resulting Numbers: [144] 144,56 unequal: No Solution Exploring Operation: 78-66=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 66*78=5148, Resulting Numbers: [5148] 5148,56 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: 56:[31, 66, 21], Operations: ['65-44=21'] Exploring Operation: 66-21=45, Resulting Numbers: [31, 45] Generated Node #0,3,0: 56:[31, 45] Operation: 66-21=45 Exploring Operation: 66+21=87, Resulting Numbers: [31, 87] Generated Node #0,3,1: 56:[31, 87] Operation: 66+21=87 Exploring Operation: 31+21=52, Resulting Numbers: [66, 52] Generated Node #0,3,2: 56:[66, 52] Operation: 31+21=52 Exploring Operation: 66-31=35, Resulting Numbers: [21, 35] Generated Node #0,3,3: 56:[21, 35] Operation: 66-31=35 Exploring Operation: 31-21=10, Resulting Numbers: [66, 10] Generated Node #0,3,4: 56:[66, 10] Operation: 31-21=10 Moving to Node #0,2 Current State: 56:[44, 66, 34], Operations: ['65-31=34'] Exploring Operation: 44-34=10, Resulting Numbers: [66, 10] Generated Node #0,2,0: 56:[66, 10] Operation: 44-34=10 Exploring Operation: 44+34=78, Resulting Numbers: [66, 78] Generated Node #0,2,1: 56:[66, 78] Operation: 44+34=78 Exploring Operation: 66-44=22, Resulting Numbers: [34, 22] Generated Node #0,2,2: 56:[34, 22] Operation: 66-44=22 Exploring Operation: 66+34=100, Resulting Numbers: [44, 100] Generated Node #0,2,3: 56:[44, 100] Operation: 66+34=100 Exploring Operation: 66-34=32, Resulting Numbers: [44, 32] Generated Node #0,2,4: 56:[44, 32] Operation: 66-34=32 Moving to Node #0,4,0 Current State: 56:[1, 13], Operations: ['66-65=1', '44-31=13'] Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,56 unequal: No Solution Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[65, 9], Operations: ['66-44=22', '31-22=9'] Exploring Operation: 65-9=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[44, 31, 65, 66], Operations: [] Exploring Operation: 66-44=22, Resulting Numbers: [31, 65, 22] Generated Node #0,1: 56:[31, 65, 22] Operation: 66-44=22 Moving to Node #0,1 Current State: 56:[31, 65, 22], Operations: ['66-44=22'] Exploring Operation: 31-22=9, Resulting Numbers: [65, 9] Generated Node #0,1,2: 56:[65, 9] Operation: 31-22=9 Moving to Node #0,1,2 Current State: 56:[65, 9], Operations: ['66-44=22', '31-22=9'] Exploring Operation: 65-9=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
0.952257
hs_5
sum_heuristic
[ 40, 16, 3, 9 ]
24
[ "40*3=120", "16*9=144", "144-120=24" ]
Current State: 24:[40, 16, 3, 9], Operations: [] Exploring Operation: 40*3=120, Resulting Numbers: [16, 9, 120] Generated Node #2: [16, 9, 120] from Operation: 40*3=120 Current State: 24:[16, 9, 120], Operations: ['40*3=120'] Exploring Operation: 16*9=144, Resulting Numbers: [120, 144] Generated Node #3: [120, 144] from Operation: 16*9=144 Current State: 24:[120, 144], Operations: ['40*3=120', '16*9=144'] Exploring Operation: 144-120=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[40, 16, 3, 9], Operations: [] Exploring Operation: 40-16=24, Resulting Numbers: [3, 9, 24] Generated Node #0,0: 24:[3, 9, 24] Operation: 40-16=24 Exploring Operation: 16+9=25, Resulting Numbers: [40, 3, 25] Generated Node #0,1: 24:[40, 3, 25] Operation: 16+9=25 Exploring Operation: 16-9=7, Resulting Numbers: [40, 3, 7] Generated Node #0,2: 24:[40, 3, 7] Operation: 16-9=7 Exploring Operation: 40-3=37, Resulting Numbers: [16, 9, 37] Generated Node #0,3: 24:[16, 9, 37] Operation: 40-3=37 Exploring Operation: 40-9=31, Resulting Numbers: [16, 3, 31] Generated Node #0,4: 24:[16, 3, 31] Operation: 40-9=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[3, 9, 24], Operations: ['40-16=24'] Exploring Operation: 24/3=8, Resulting Numbers: [9, 8] Generated Node #0,0,0: 24:[9, 8] Operation: 24/3=8 Exploring Operation: 9/3=3, Resulting Numbers: [24, 3] Generated Node #0,0,1: 24:[24, 3] Operation: 9/3=3 Exploring Operation: 9-3=6, Resulting Numbers: [24, 6] Generated Node #0,0,2: 24:[24, 6] Operation: 9-3=6 Exploring Operation: 3+9=12, Resulting Numbers: [24, 12] Generated Node #0,0,3: 24:[24, 12] Operation: 3+9=12 Exploring Operation: 3*9=27, Resulting Numbers: [24, 27] Generated Node #0,0,4: 24:[24, 27] Operation: 3*9=27 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 24:[24, 3], Operations: ['40-16=24', '9/3=3'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,24 unequal: No Solution Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,24 unequal: No Solution Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 24:[24, 6], Operations: ['40-16=24', '9-3=6'] Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,24 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,24 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 24:[24, 12], Operations: ['40-16=24', '3+9=12'] Exploring Operation: 24*12=288, Resulting Numbers: [288] 288,24 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 24+12=36, Resulting Numbers: [36] 36,24 unequal: No Solution Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[9, 8], Operations: ['40-16=24', '24/3=8'] Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,24 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 24:[24, 27], Operations: ['40-16=24', '3*9=27'] Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,24 unequal: No Solution Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,24 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 24:[16, 3, 31], Operations: ['40-9=31'] Exploring Operation: 31-3=28, Resulting Numbers: [16, 28] Generated Node #0,4,0: 24:[16, 28] Operation: 31-3=28 Exploring Operation: 31-16=15, Resulting Numbers: [3, 15] Generated Node #0,4,1: 24:[3, 15] Operation: 31-16=15 Exploring Operation: 16-3=13, Resulting Numbers: [31, 13] Generated Node #0,4,2: 24:[31, 13] Operation: 16-3=13 Exploring Operation: 3+31=34, Resulting Numbers: [16, 34] Generated Node #0,4,3: 24:[16, 34] Operation: 3+31=34 Exploring Operation: 16+3=19, Resulting Numbers: [31, 19] Generated Node #0,4,4: 24:[31, 19] Operation: 16+3=19 Moving to Node #0,4,1 Current State: 24:[3, 15], Operations: ['40-9=31', '31-16=15'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,24 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,24 unequal: No Solution Moving to Node #0,4,2 Current State: 24:[31, 13], Operations: ['40-9=31', '16-3=13'] Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 31+13=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 31*13=403, Resulting Numbers: [403] 403,24 unequal: No Solution Moving to Node #0,4,0 Current State: 24:[16, 28], Operations: ['40-9=31', '31-3=28'] Exploring Operation: 16+28=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 16*28=448, Resulting Numbers: [448] 448,24 unequal: No Solution Moving to Node #0,4,4 Current State: 24:[31, 19], Operations: ['40-9=31', '16+3=19'] Exploring Operation: 31*19=589, Resulting Numbers: [589] 589,24 unequal: No Solution Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 31+19=50, Resulting Numbers: [50] 50,24 unequal: No Solution Moving to Node #0,4,3 Current State: 24:[16, 34], Operations: ['40-9=31', '3+31=34'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 16+34=50, Resulting Numbers: [50] 50,24 unequal: No Solution Exploring Operation: 16*34=544, Resulting Numbers: [544] 544,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[40, 3, 25], Operations: ['16+9=25'] Exploring Operation: 40-3=37, Resulting Numbers: [25, 37] Generated Node #0,1,0: 24:[25, 37] Operation: 40-3=37 Exploring Operation: 3+25=28, Resulting Numbers: [40, 28] Generated Node #0,1,1: 24:[40, 28] Operation: 3+25=28 Exploring Operation: 25-3=22, Resulting Numbers: [40, 22] Generated Node #0,1,2: 24:[40, 22] Operation: 25-3=22 Exploring Operation: 40-25=15, Resulting Numbers: [3, 15] Generated Node #0,1,3: 24:[3, 15] Operation: 40-25=15 Exploring Operation: 40+3=43, Resulting Numbers: [25, 43] Generated Node #0,1,4: 24:[25, 43] Operation: 40+3=43 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 24:[3, 15], Operations: ['16+9=25', '40-25=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,24 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 24:[25, 37], Operations: ['16+9=25', '40-3=37'] Exploring Operation: 25+37=62, Resulting Numbers: [62] 62,24 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 25*37=925, Resulting Numbers: [925] 925,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 24:[40, 22], Operations: ['16+9=25', '25-3=22'] Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 40+22=62, Resulting Numbers: [62] 62,24 unequal: No Solution Exploring Operation: 40*22=880, Resulting Numbers: [880] 880,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 24:[40, 28], Operations: ['16+9=25', '3+25=28'] Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 40*28=1120, Resulting Numbers: [1120] 1120,24 unequal: No Solution Exploring Operation: 40+28=68, Resulting Numbers: [68] 68,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 24:[25, 43], Operations: ['16+9=25', '40+3=43'] Exploring Operation: 25*43=1075, Resulting Numbers: [1075] 1075,24 unequal: No Solution Exploring Operation: 25+43=68, Resulting Numbers: [68] 68,24 unequal: No Solution Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[40, 3, 7], Operations: ['16-9=7'] Exploring Operation: 3*7=21, Resulting Numbers: [40, 21] Generated Node #0,2,0: 24:[40, 21] Operation: 3*7=21 Exploring Operation: 3+7=10, Resulting Numbers: [40, 10] Generated Node #0,2,1: 24:[40, 10] Operation: 3+7=10 Exploring Operation: 7-3=4, Resulting Numbers: [40, 4] Generated Node #0,2,2: 24:[40, 4] Operation: 7-3=4 Exploring Operation: 40-3=37, Resulting Numbers: [7, 37] Generated Node #0,2,3: 24:[7, 37] Operation: 40-3=37 Exploring Operation: 40-7=33, Resulting Numbers: [3, 33] Generated Node #0,2,4: 24:[3, 33] Operation: 40-7=33 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 24:[3, 33], Operations: ['16-9=7', '40-7=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,24 unequal: No Solution Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,24 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,24 unequal: No Solution Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 24:[7, 37], Operations: ['16-9=7', '40-3=37'] Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,24 unequal: No Solution Exploring Operation: 7*37=259, Resulting Numbers: [259] 259,24 unequal: No Solution Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 24:[40, 4], Operations: ['16-9=7', '7-3=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,24 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,24 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 24:[40, 10], Operations: ['16-9=7', '3+7=10'] Exploring Operation: 40+10=50, Resulting Numbers: [50] 50,24 unequal: No Solution Exploring Operation: 40*10=400, Resulting Numbers: [400] 400,24 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 24:[40, 21], Operations: ['16-9=7', '3*7=21'] Exploring Operation: 40+21=61, Resulting Numbers: [61] 61,24 unequal: No Solution Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 40*21=840, Resulting Numbers: [840] 840,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 24:[16, 9, 37], Operations: ['40-3=37'] Exploring Operation: 16+9=25, Resulting Numbers: [37, 25] Generated Node #0,3,0: 24:[37, 25] Operation: 16+9=25 Exploring Operation: 9+37=46, Resulting Numbers: [16, 46] Generated Node #0,3,1: 24:[16, 46] Operation: 9+37=46 Exploring Operation: 37-16=21, Resulting Numbers: [9, 21] Generated Node #0,3,2: 24:[9, 21] Operation: 37-16=21 Exploring Operation: 37-9=28, Resulting Numbers: [16, 28] Generated Node #0,3,3: 24:[16, 28] Operation: 37-9=28 Exploring Operation: 16-9=7, Resulting Numbers: [37, 7] Generated Node #0,3,4: 24:[37, 7] Operation: 16-9=7 Moving to Node #0,3,2 Current State: 24:[9, 21], Operations: ['40-3=37', '37-16=21'] Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,24 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,24 unequal: No Solution Moving to Node #0,3,3 Current State: 24:[16, 28], Operations: ['40-3=37', '37-9=28'] Exploring Operation: 16*28=448, Resulting Numbers: [448] 448,24 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 16+28=44, Resulting Numbers: [44] 44,24 unequal: No Solution Moving to Node #0,3,0 Current State: 24:[37, 25], Operations: ['40-3=37', '16+9=25'] Exploring Operation: 37*25=925, Resulting Numbers: [925] 925,24 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,24 unequal: No Solution Moving to Node #0,3,4 Current State: 24:[37, 7], Operations: ['40-3=37', '16-9=7'] Exploring Operation: 37*7=259, Resulting Numbers: [259] 259,24 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,24 unequal: No Solution Exploring Operation: 37+7=44, Resulting Numbers: [44] 44,24 unequal: No Solution Moving to Node #0,3,1 Current State: 24:[16, 46], Operations: ['40-3=37', '9+37=46'] Exploring Operation: 16*46=736, Resulting Numbers: [736] 736,24 unequal: No Solution Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,24 unequal: No Solution Exploring Operation: 16+46=62, Resulting Numbers: [62] 62,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 82, 22, 6, 40 ]
44
[ "82+6=88", "88/22=4", "40+4=44" ]
Current State: 44:[82, 22, 6, 40], Operations: [] Exploring Operation: 82+6=88, Resulting Numbers: [22, 40, 88] Generated Node #2: [22, 40, 88] from Operation: 82+6=88 Current State: 44:[22, 40, 88], Operations: ['82+6=88'] Exploring Operation: 88/22=4, Resulting Numbers: [40, 4] Generated Node #3: [40, 4] from Operation: 88/22=4 Current State: 44:[40, 4], Operations: ['82+6=88', '88/22=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[82, 22, 6, 40], Operations: [] Exploring Operation: 6+40=46, Resulting Numbers: [82, 22, 46] Generated Node #0,0: 44:[82, 22, 46] Operation: 6+40=46 Exploring Operation: 82-6=76, Resulting Numbers: [22, 40, 76] Generated Node #0,1: 44:[22, 40, 76] Operation: 82-6=76 Exploring Operation: 82-22=60, Resulting Numbers: [6, 40, 60] Generated Node #0,2: 44:[6, 40, 60] Operation: 82-22=60 Exploring Operation: 82-40=42, Resulting Numbers: [22, 6, 42] Generated Node #0,3: 44:[22, 6, 42] Operation: 82-40=42 Moving to Node #0,3 Current State: 44:[22, 6, 42], Operations: ['82-40=42'] Exploring Operation: 22-6=16, Resulting Numbers: [42, 16] Generated Node #0,3,0: 44:[42, 16] Operation: 22-6=16 Exploring Operation: 42/6=7, Resulting Numbers: [22, 7] Generated Node #0,3,1: 44:[22, 7] Operation: 42/6=7 Exploring Operation: 42-22=20, Resulting Numbers: [6, 20] Generated Node #0,3,2: 44:[6, 20] Operation: 42-22=20 Exploring Operation: 6+42=48, Resulting Numbers: [22, 48] Generated Node #0,3,3: 44:[22, 48] Operation: 6+42=48 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 44:[22, 7], Operations: ['82-40=42', '42/6=7'] Exploring Operation: 22*7=154, Resulting Numbers: [154] 154,44 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,44 unequal: No Solution Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 44:[6, 20], Operations: ['82-40=42', '42-22=20'] Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 44:[22, 48], Operations: ['82-40=42', '6+42=48'] Exploring Operation: 22*48=1056, Resulting Numbers: [1056] 1056,44 unequal: No Solution Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 22+48=70, Resulting Numbers: [70] 70,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 44:[42, 16], Operations: ['82-40=42', '22-6=16'] Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 42*16=672, Resulting Numbers: [672] 672,44 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 44:[6, 40, 60], Operations: ['82-22=60'] Exploring Operation: 6+40=46, Resulting Numbers: [60, 46] Generated Node #0,2,0: 44:[60, 46] Operation: 6+40=46 Exploring Operation: 60/6=10, Resulting Numbers: [40, 10] Generated Node #0,2,1: 44:[40, 10] Operation: 60/6=10 Exploring Operation: 60-40=20, Resulting Numbers: [6, 20] Generated Node #0,2,2: 44:[6, 20] Operation: 60-40=20 Exploring Operation: 60-6=54, Resulting Numbers: [40, 54] Generated Node #0,2,3: 44:[40, 54] Operation: 60-6=54 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 44:[6, 20], Operations: ['82-22=60', '60-40=20'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 44:[40, 10], Operations: ['82-22=60', '60/6=10'] Exploring Operation: 40*10=400, Resulting Numbers: [400] 400,44 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 40+10=50, Resulting Numbers: [50] 50,44 unequal: No Solution Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 44:[40, 54], Operations: ['82-22=60', '60-6=54'] Exploring Operation: 40*54=2160, Resulting Numbers: [2160] 2160,44 unequal: No Solution Exploring Operation: 40+54=94, Resulting Numbers: [94] 94,44 unequal: No Solution Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 44:[60, 46], Operations: ['82-22=60', '6+40=46'] Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 60+46=106, Resulting Numbers: [106] 106,44 unequal: No Solution Exploring Operation: 60*46=2760, Resulting Numbers: [2760] 2760,44 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: 44:[22, 40, 76], Operations: ['82-6=76'] Exploring Operation: 76-40=36, Resulting Numbers: [22, 36] Generated Node #0,1,0: 44:[22, 36] Operation: 76-40=36 Exploring Operation: 76-22=54, Resulting Numbers: [40, 54] Generated Node #0,1,1: 44:[40, 54] Operation: 76-22=54 Exploring Operation: 40-22=18, Resulting Numbers: [76, 18] Generated Node #0,1,2: 44:[76, 18] Operation: 40-22=18 Exploring Operation: 22+40=62, Resulting Numbers: [76, 62] Generated Node #0,1,3: 44:[76, 62] Operation: 22+40=62 Moving to Node #0,0 Current State: 44:[82, 22, 46], Operations: ['6+40=46'] Exploring Operation: 82+22=104, Resulting Numbers: [46, 104] Generated Node #0,0,0: 44:[46, 104] Operation: 82+22=104 Exploring Operation: 82-46=36, Resulting Numbers: [22, 36] Generated Node #0,0,1: 44:[22, 36] Operation: 82-46=36 Exploring Operation: 82-22=60, Resulting Numbers: [46, 60] Generated Node #0,0,2: 44:[46, 60] Operation: 82-22=60 Exploring Operation: 46-22=24, Resulting Numbers: [82, 24] Generated Node #0,0,3: 44:[82, 24] Operation: 46-22=24 Moving to Node #0,1,0 Current State: 44:[22, 36], Operations: ['82-6=76', '76-40=36'] Exploring Operation: 22*36=792, Resulting Numbers: [792] 792,44 unequal: No Solution Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 22+36=58, Resulting Numbers: [58] 58,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[22, 36], Operations: ['6+40=46', '82-46=36'] Exploring Operation: 22+36=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 22*36=792, Resulting Numbers: [792] 792,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[40, 54], Operations: ['82-6=76', '76-22=54'] Exploring Operation: 40*54=2160, Resulting Numbers: [2160] 2160,44 unequal: No Solution Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 40+54=94, Resulting Numbers: [94] 94,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[46, 60], Operations: ['6+40=46', '82-22=60'] Exploring Operation: 46+60=106, Resulting Numbers: [106] 106,44 unequal: No Solution Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 46*60=2760, Resulting Numbers: [2760] 2760,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[76, 18], Operations: ['82-6=76', '40-22=18'] Exploring Operation: 76+18=94, Resulting Numbers: [94] 94,44 unequal: No Solution Exploring Operation: 76*18=1368, Resulting Numbers: [1368] 1368,44 unequal: No Solution Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,44 unequal: No Solution Moving to Node #0,0,3 Current State: 44:[82, 24], Operations: ['6+40=46', '46-22=24'] Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 82+24=106, Resulting Numbers: [106] 106,44 unequal: No Solution Exploring Operation: 82*24=1968, Resulting Numbers: [1968] 1968,44 unequal: No Solution Moving to Node #0,1,3 Current State: 44:[76, 62], Operations: ['82-6=76', '22+40=62'] Exploring Operation: 76*62=4712, Resulting Numbers: [4712] 4712,44 unequal: No Solution Exploring Operation: 76+62=138, Resulting Numbers: [138] 138,44 unequal: No Solution Exploring Operation: 76-62=14, Resulting Numbers: [14] 14,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[46, 104], Operations: ['6+40=46', '82+22=104'] Exploring Operation: 104-46=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 46*104=4784, Resulting Numbers: [4784] 4784,44 unequal: No Solution Exploring Operation: 46+104=150, Resulting Numbers: [150] 150,44 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 13, 64, 76, 39 ]
39
[ "13+64=77", "77-76=1", "39*1=39" ]
Current State: 39:[13, 64, 76, 39], Operations: [] Exploring Operation: 13+64=77, Resulting Numbers: [76, 39, 77] Generated Node #2: [76, 39, 77] from Operation: 13+64=77 Current State: 39:[76, 39, 77], Operations: ['13+64=77'] Exploring Operation: 77-76=1, Resulting Numbers: [39, 1] Generated Node #3: [39, 1] from Operation: 77-76=1 Current State: 39:[39, 1], Operations: ['13+64=77', '77-76=1'] Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[13, 64, 76, 39], Operations: [] Exploring Operation: 76-39=37, Resulting Numbers: [13, 64, 37] Generated Node #0,0: 39:[13, 64, 37] Operation: 76-39=37 Exploring Operation: 76-64=12, Resulting Numbers: [13, 39, 12] Generated Node #0,1: 39:[13, 39, 12] Operation: 76-64=12 Exploring Operation: 64-13=51, Resulting Numbers: [76, 39, 51] Generated Node #0,2: 39:[76, 39, 51] Operation: 64-13=51 Moving to Node #0,1 Current State: 39:[13, 39, 12], Operations: ['76-64=12'] Exploring Operation: 13-12=1, Resulting Numbers: [39, 1] Generated Node #0,1,0: 39:[39, 1] Operation: 13-12=1 Exploring Operation: 39/13=3, Resulting Numbers: [12, 3] Generated Node #0,1,1: 39:[12, 3] Operation: 39/13=3 Exploring Operation: 13+12=25, Resulting Numbers: [39, 25] Generated Node #0,1,2: 39:[39, 25] Operation: 13+12=25 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[12, 3], Operations: ['76-64=12', '39/13=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[39, 1], Operations: ['76-64=12', '13-12=1'] Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[13, 64, 76, 39], Operations: [] Exploring Operation: 76-64=12, Resulting Numbers: [13, 39, 12] Generated Node #0,1: 39:[13, 39, 12] Operation: 76-64=12 Moving to Node #0,1 Current State: 39:[13, 39, 12], Operations: ['76-64=12'] Exploring Operation: 13-12=1, Resulting Numbers: [39, 1] Generated Node #0,1,0: 39:[39, 1] Operation: 13-12=1 Moving to Node #0,1,0 Current State: 39:[39, 1], Operations: ['76-64=12', '13-12=1'] Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 53, 53, 79, 96 ]
96
[ "53-53=0", "79*0=0", "96+0=96" ]
Current State: 96:[53, 53, 79, 96], Operations: [] Exploring Operation: 53-53=0, Resulting Numbers: [79, 96, 0] Generated Node #2: [79, 96, 0] from Operation: 53-53=0 Current State: 96:[79, 96, 0], Operations: ['53-53=0'] Exploring Operation: 79*0=0, Resulting Numbers: [96, 0] Generated Node #3: [96, 0] from Operation: 79*0=0 Current State: 96:[96, 0], Operations: ['53-53=0', '79*0=0'] Exploring Operation: 96+0=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[53, 53, 79, 96], Operations: [] Exploring Operation: 79-53=26, Resulting Numbers: [53, 96, 26] Generated Node #0,0: 96:[53, 96, 26] Operation: 79-53=26 Exploring Operation: 96-79=17, Resulting Numbers: [53, 53, 17] Generated Node #0,1: 96:[53, 53, 17] Operation: 96-79=17 Exploring Operation: 79-53=26, Resulting Numbers: [53, 96, 26] Generated Node #0,2: 96:[53, 96, 26] Operation: 79-53=26 Moving to Node #0,0 Current State: 96:[53, 96, 26], Operations: ['79-53=26'] Exploring Operation: 96-53=43, Resulting Numbers: [26, 43] Generated Node #0,0,0: 96:[26, 43] Operation: 96-53=43 Exploring Operation: 53+26=79, Resulting Numbers: [96, 79] Generated Node #0,0,1: 96:[96, 79] Operation: 53+26=79 Exploring Operation: 53-26=27, Resulting Numbers: [96, 27] Generated Node #0,0,2: 96:[96, 27] Operation: 53-26=27 Moving to Node #0,2 Current State: 96:[53, 96, 26], Operations: ['79-53=26'] Exploring Operation: 53-26=27, Resulting Numbers: [96, 27] Generated Node #0,2,0: 96:[96, 27] Operation: 53-26=27 Exploring Operation: 96-53=43, Resulting Numbers: [26, 43] Generated Node #0,2,1: 96:[26, 43] Operation: 96-53=43 Exploring Operation: 53+26=79, Resulting Numbers: [96, 79] Generated Node #0,2,2: 96:[96, 79] Operation: 53+26=79 Moving to Node #0,1 Current State: 96:[53, 53, 17], Operations: ['96-79=17'] Exploring Operation: 53/53=1, Resulting Numbers: [17, 1] Generated Node #0,1,0: 96:[17, 1] Operation: 53/53=1 Exploring Operation: 53-17=36, Resulting Numbers: [53, 36] Generated Node #0,1,1: 96:[53, 36] Operation: 53-17=36 Exploring Operation: 53-53=0, Resulting Numbers: [17, 0] Generated Node #0,1,2: 96:[17, 0] Operation: 53-53=0 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[17, 1], Operations: ['96-79=17', '53/53=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 96:[17, 0], Operations: ['96-79=17', '53-53=0'] Exploring Operation: 17+0=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 17-0=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 17*0=0, Resulting Numbers: [0] 0,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[53, 36], Operations: ['96-79=17', '53-17=36'] Exploring Operation: 53+36=89, Resulting Numbers: [89] 89,96 unequal: No Solution Exploring Operation: 53*36=1908, Resulting Numbers: [1908] 1908,96 unequal: No Solution Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 96:[96, 27], Operations: ['79-53=26', '53-26=27'] Exploring Operation: 96+27=123, Resulting Numbers: [123] 123,96 unequal: No Solution Exploring Operation: 96-27=69, Resulting Numbers: [69] 69,96 unequal: No Solution Exploring Operation: 96*27=2592, Resulting Numbers: [2592] 2592,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[96, 27], Operations: ['79-53=26', '53-26=27'] Exploring Operation: 96*27=2592, Resulting Numbers: [2592] 2592,96 unequal: No Solution Exploring Operation: 96+27=123, Resulting Numbers: [123] 123,96 unequal: No Solution Exploring Operation: 96-27=69, Resulting Numbers: [69] 69,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[26, 43], Operations: ['79-53=26', '96-53=43'] Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 26+43=69, Resulting Numbers: [69] 69,96 unequal: No Solution Exploring Operation: 26*43=1118, Resulting Numbers: [1118] 1118,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[26, 43], Operations: ['79-53=26', '96-53=43'] Exploring Operation: 26+43=69, Resulting Numbers: [69] 69,96 unequal: No Solution Exploring Operation: 26*43=1118, Resulting Numbers: [1118] 1118,96 unequal: No Solution Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[96, 79], Operations: ['79-53=26', '53+26=79'] Exploring Operation: 96+79=175, Resulting Numbers: [175] 175,96 unequal: No Solution Exploring Operation: 96*79=7584, Resulting Numbers: [7584] 7584,96 unequal: No Solution Exploring Operation: 96-79=17, Resulting Numbers: [17] 17,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[96, 79], Operations: ['79-53=26', '53+26=79'] Exploring Operation: 96*79=7584, Resulting Numbers: [7584] 7584,96 unequal: No Solution Exploring Operation: 96+79=175, Resulting Numbers: [175] 175,96 unequal: No Solution Exploring Operation: 96-79=17, Resulting Numbers: [17] 17,96 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 19, 14, 20, 22 ]
16
[ "20+22=42", "42/14=3", "19-3=16" ]
Current State: 16:[19, 14, 20, 22], Operations: [] Exploring Operation: 20+22=42, Resulting Numbers: [19, 14, 42] Generated Node #2: [19, 14, 42] from Operation: 20+22=42 Current State: 16:[19, 14, 42], Operations: ['20+22=42'] Exploring Operation: 42/14=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 42/14=3 Current State: 16:[19, 3], Operations: ['20+22=42', '42/14=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[19, 14, 20, 22], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [19, 14, 2] Generated Node #0,0: 16:[19, 14, 2] Operation: 22-20=2 Moving to Node #0,0 Current State: 16:[19, 14, 2], Operations: ['22-20=2'] Exploring Operation: 19-14=5, Resulting Numbers: [2, 5] Generated Node #0,0,0: 16:[2, 5] Operation: 19-14=5 Moving to Node #0,0,0 Current State: 16:[2, 5], Operations: ['22-20=2', '19-14=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,16 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 29, 39, 93, 81 ]
80
[ "29+39=68", "93-81=12", "68+12=80" ]
Current State: 80:[29, 39, 93, 81], Operations: [] Exploring Operation: 29+39=68, Resulting Numbers: [93, 81, 68] Generated Node #2: [93, 81, 68] from Operation: 29+39=68 Current State: 80:[93, 81, 68], Operations: ['29+39=68'] Exploring Operation: 93-81=12, Resulting Numbers: [68, 12] Generated Node #3: [68, 12] from Operation: 93-81=12 Current State: 80:[68, 12], Operations: ['29+39=68', '93-81=12'] Exploring Operation: 68+12=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[29, 39, 93, 81], Operations: [] Exploring Operation: 93-81=12, Resulting Numbers: [29, 39, 12] Generated Node #0,0: 80:[29, 39, 12] Operation: 93-81=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[29, 39, 12], Operations: ['93-81=12'] Exploring Operation: 39-29=10, Resulting Numbers: [12, 10] Generated Node #0,0,0: 80:[12, 10] Operation: 39-29=10 Moving to Node #0,0,0 Current State: 80:[12, 10], Operations: ['93-81=12', '39-29=10'] Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 79, 61, 8, 86 ]
62
[ "79+61=140", "86-8=78", "140-78=62" ]
Current State: 62:[79, 61, 8, 86], Operations: [] Exploring Operation: 79+61=140, Resulting Numbers: [8, 86, 140] Generated Node #2: [8, 86, 140] from Operation: 79+61=140 Current State: 62:[8, 86, 140], Operations: ['79+61=140'] Exploring Operation: 86-8=78, Resulting Numbers: [140, 78] Generated Node #3: [140, 78] from Operation: 86-8=78 Current State: 62:[140, 78], Operations: ['79+61=140', '86-8=78'] Exploring Operation: 140-78=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[79, 61, 8, 86], Operations: [] Exploring Operation: 86-61=25, Resulting Numbers: [79, 8, 25] Generated Node #0,0: 62:[79, 8, 25] Operation: 86-61=25 Exploring Operation: 79-8=71, Resulting Numbers: [61, 86, 71] Generated Node #0,1: 62:[61, 86, 71] Operation: 79-8=71 Exploring Operation: 86-79=7, Resulting Numbers: [61, 8, 7] Generated Node #0,2: 62:[61, 8, 7] Operation: 86-79=7 Moving to Node #0,2 Current State: 62:[61, 8, 7], Operations: ['86-79=7'] Exploring Operation: 61+8=69, Resulting Numbers: [7, 69] Generated Node #0,2,0: 62:[7, 69] Operation: 61+8=69 Exploring Operation: 8-7=1, Resulting Numbers: [61, 1] Generated Node #0,2,1: 62:[61, 1] Operation: 8-7=1 Exploring Operation: 8*7=56, Resulting Numbers: [61, 56] Generated Node #0,2,2: 62:[61, 56] Operation: 8*7=56 Moving to Node #0,0 Current State: 62:[79, 8, 25], Operations: ['86-61=25'] Exploring Operation: 8+25=33, Resulting Numbers: [79, 33] Generated Node #0,0,0: 62:[79, 33] Operation: 8+25=33 Exploring Operation: 79-8=71, Resulting Numbers: [25, 71] Generated Node #0,0,1: 62:[25, 71] Operation: 79-8=71 Exploring Operation: 79-25=54, Resulting Numbers: [8, 54] Generated Node #0,0,2: 62:[8, 54] Operation: 79-25=54 Moving to Node #0,1 Current State: 62:[61, 86, 71], Operations: ['79-8=71'] Exploring Operation: 86-71=15, Resulting Numbers: [61, 15] Generated Node #0,1,0: 62:[61, 15] Operation: 86-71=15 Exploring Operation: 71-61=10, Resulting Numbers: [86, 10] Generated Node #0,1,1: 62:[86, 10] Operation: 71-61=10 Exploring Operation: 86-61=25, Resulting Numbers: [71, 25] Generated Node #0,1,2: 62:[71, 25] Operation: 86-61=25 Moving to Node #0,2,1 Current State: 62:[61, 1], Operations: ['86-79=7', '8-7=1'] Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,62 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,62 unequal: No Solution Exploring Operation: 61+1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[79, 61, 8, 86], Operations: [] Exploring Operation: 86-79=7, Resulting Numbers: [61, 8, 7] Generated Node #0,2: 62:[61, 8, 7] Operation: 86-79=7 Moving to Node #0,2 Current State: 62:[61, 8, 7], Operations: ['86-79=7'] Exploring Operation: 8-7=1, Resulting Numbers: [61, 1] Generated Node #0,2,1: 62:[61, 1] Operation: 8-7=1 Moving to Node #0,2,1 Current State: 62:[61, 1], Operations: ['86-79=7', '8-7=1'] Exploring Operation: 61+1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.983507
hs_3
mult_heuristic
[ 19, 6, 81, 42 ]
57
[ "42-19=23", "6*23=138", "138-81=57" ]
Current State: 57:[19, 6, 81, 42], Operations: [] Exploring Operation: 42-19=23, Resulting Numbers: [6, 81, 23] Generated Node #2: [6, 81, 23] from Operation: 42-19=23 Current State: 57:[6, 81, 23], Operations: ['42-19=23'] Exploring Operation: 6*23=138, Resulting Numbers: [81, 138] Generated Node #3: [81, 138] from Operation: 6*23=138 Current State: 57:[81, 138], Operations: ['42-19=23', '6*23=138'] Exploring Operation: 138-81=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[19, 6, 81, 42], Operations: [] Exploring Operation: 81-19=62, Resulting Numbers: [6, 42, 62] Generated Node #0,0: 57:[6, 42, 62] Operation: 81-19=62 Exploring Operation: 81-42=39, Resulting Numbers: [19, 6, 39] Generated Node #0,1: 57:[19, 6, 39] Operation: 81-42=39 Moving to Node #0,1 Current State: 57:[19, 6, 39], Operations: ['81-42=39'] Exploring Operation: 39-19=20, Resulting Numbers: [6, 20] Generated Node #0,1,0: 57:[6, 20] Operation: 39-19=20 Exploring Operation: 19+39=58, Resulting Numbers: [6, 58] Generated Node #0,1,1: 57:[6, 58] Operation: 19+39=58 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[6, 20], Operations: ['81-42=39', '39-19=20'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,57 unequal: No Solution No 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: 57:[6, 58], Operations: ['81-42=39', '19+39=58'] Exploring Operation: 6+58=64, Resulting Numbers: [64] 64,57 unequal: No Solution Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,57 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: 57:[6, 42, 62], Operations: ['81-19=62'] Exploring Operation: 42/6=7, Resulting Numbers: [62, 7] Generated Node #0,0,0: 57:[62, 7] Operation: 42/6=7 Exploring Operation: 62-42=20, Resulting Numbers: [6, 20] Generated Node #0,0,1: 57:[6, 20] Operation: 62-42=20 Moving to Node #0,0,1 Current State: 57:[6, 20], Operations: ['81-19=62', '62-42=20'] Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[62, 7], Operations: ['81-19=62', '42/6=7'] Exploring Operation: 62+7=69, Resulting Numbers: [69] 69,57 unequal: No Solution Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,57 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 11, 78, 4, 74 ]
28
[ "78-11=67", "74-67=7", "4*7=28" ]
Current State: 28:[11, 78, 4, 74], Operations: [] Exploring Operation: 78-11=67, Resulting Numbers: [4, 74, 67] Generated Node #2: [4, 74, 67] from Operation: 78-11=67 Current State: 28:[4, 74, 67], Operations: ['78-11=67'] Exploring Operation: 74-67=7, Resulting Numbers: [4, 7] Generated Node #3: [4, 7] from Operation: 74-67=7 Current State: 28:[4, 7], Operations: ['78-11=67', '74-67=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[11, 78, 4, 74], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [11, 4, 4] Generated Node #0,0: 28:[11, 4, 4] Operation: 78-74=4 Exploring Operation: 78-11=67, Resulting Numbers: [4, 74, 67] Generated Node #0,1: 28:[4, 74, 67] Operation: 78-11=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[11, 4, 4], Operations: ['78-74=4'] Exploring Operation: 11-4=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 28:[4, 7] Operation: 11-4=7 Exploring Operation: 11-4=7, Resulting Numbers: [4, 7] Generated Node #0,0,1: 28:[4, 7] Operation: 11-4=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[4, 7], Operations: ['78-74=4', '11-4=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[11, 78, 4, 74], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [11, 4, 4] Generated Node #0,0: 28:[11, 4, 4] Operation: 78-74=4 Moving to Node #0,0 Current State: 28:[11, 4, 4], Operations: ['78-74=4'] Exploring Operation: 11-4=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 28:[4, 7] Operation: 11-4=7 Moving to Node #0,0,0 Current State: 28:[4, 7], Operations: ['78-74=4', '11-4=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 62, 73, 28, 22 ]
56
[ "73-62=11", "28*22=616", "616/11=56" ]
Current State: 56:[62, 73, 28, 22], Operations: [] Exploring Operation: 73-62=11, Resulting Numbers: [28, 22, 11] Generated Node #2: [28, 22, 11] from Operation: 73-62=11 Current State: 56:[28, 22, 11], Operations: ['73-62=11'] Exploring Operation: 28*22=616, Resulting Numbers: [11, 616] Generated Node #3: [11, 616] from Operation: 28*22=616 Current State: 56:[11, 616], Operations: ['73-62=11', '28*22=616'] Exploring Operation: 616/11=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[62, 73, 28, 22], Operations: [] Exploring Operation: 73-62=11, Resulting Numbers: [28, 22, 11] Generated Node #0,0: 56:[28, 22, 11] Operation: 73-62=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[28, 22, 11], Operations: ['73-62=11'] Exploring Operation: 22/11=2, Resulting Numbers: [28, 2] Generated Node #0,0,0: 56:[28, 2] Operation: 22/11=2 Moving to Node #0,0,0 Current State: 56:[28, 2], Operations: ['73-62=11', '22/11=2'] Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[62, 73, 28, 22], Operations: [] Exploring Operation: 73-62=11, Resulting Numbers: [28, 22, 11] Generated Node #0,0: 56:[28, 22, 11] Operation: 73-62=11 Moving to Node #0,0 Current State: 56:[28, 22, 11], Operations: ['73-62=11'] Exploring Operation: 22/11=2, Resulting Numbers: [28, 2] Generated Node #0,0,0: 56:[28, 2] Operation: 22/11=2 Moving to Node #0,0,0 Current State: 56:[28, 2], Operations: ['73-62=11', '22/11=2'] Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 6, 67, 30, 52 ]
51
[ "6+67=73", "52-30=22", "73-22=51" ]
Current State: 51:[6, 67, 30, 52], Operations: [] Exploring Operation: 6+67=73, Resulting Numbers: [30, 52, 73] Generated Node #2: [30, 52, 73] from Operation: 6+67=73 Current State: 51:[30, 52, 73], Operations: ['6+67=73'] Exploring Operation: 52-30=22, Resulting Numbers: [73, 22] Generated Node #3: [73, 22] from Operation: 52-30=22 Current State: 51:[73, 22], Operations: ['6+67=73', '52-30=22'] Exploring Operation: 73-22=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[6, 67, 30, 52], Operations: [] Exploring Operation: 67-30=37, Resulting Numbers: [6, 52, 37] Generated Node #0,0: 51:[6, 52, 37] Operation: 67-30=37 Exploring Operation: 67-52=15, Resulting Numbers: [6, 30, 15] Generated Node #0,1: 51:[6, 30, 15] Operation: 67-52=15 Moving to Node #0,0 Current State: 51:[6, 52, 37], Operations: ['67-30=37'] Exploring Operation: 52-37=15, Resulting Numbers: [6, 15] Generated Node #0,0,0: 51:[6, 15] Operation: 52-37=15 Exploring Operation: 6+37=43, Resulting Numbers: [52, 43] Generated Node #0,0,1: 51:[52, 43] Operation: 6+37=43 Moving to Node #0,1 Current State: 51:[6, 30, 15], Operations: ['67-52=15'] Exploring Operation: 30/15=2, Resulting Numbers: [6, 2] Generated Node #0,1,0: 51:[6, 2] Operation: 30/15=2 Exploring Operation: 30/6=5, Resulting Numbers: [15, 5] Generated Node #0,1,1: 51:[15, 5] Operation: 30/6=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[6, 2], Operations: ['67-52=15', '30/15=2'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,51 unequal: No Solution No 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: 51:[15, 5], Operations: ['67-52=15', '30/6=5'] Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,51 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: 51:[6, 15], Operations: ['67-30=37', '52-37=15'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[52, 43], Operations: ['67-30=37', '6+37=43'] Exploring Operation: 52+43=95, Resulting Numbers: [95] 95,51 unequal: No Solution Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,51 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 34, 14, 96, 34 ]
17
[ "34+14=48", "96/48=2", "34/2=17" ]
Current State: 17:[34, 14, 96, 34], Operations: [] Exploring Operation: 34+14=48, Resulting Numbers: [96, 48] Generated Node #2: [96, 48] from Operation: 34+14=48 Current State: 17:[96, 48], Operations: ['34+14=48'] Exploring Operation: 96/48=2, Resulting Numbers: [2] 2,17 equal: Goal Reached Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[34, 14, 96, 34], Operations: [] Exploring Operation: 34-14=20, Resulting Numbers: [96, 34, 20] Generated Node #0,0: 17:[96, 34, 20] Operation: 34-14=20 Exploring Operation: 96-34=62, Resulting Numbers: [14, 34, 62] Generated Node #0,1: 17:[14, 34, 62] Operation: 96-34=62 Exploring Operation: 34/34=1, Resulting Numbers: [14, 96, 1] Generated Node #0,2: 17:[14, 96, 1] Operation: 34/34=1 Exploring Operation: 96-34=62, Resulting Numbers: [34, 14, 62] Generated Node #0,3: 17:[34, 14, 62] Operation: 96-34=62 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[14, 34, 62], Operations: ['96-34=62'] Exploring Operation: 34-14=20, Resulting Numbers: [62, 20] Generated Node #0,1,0: 17:[62, 20] Operation: 34-14=20 Exploring Operation: 62-34=28, Resulting Numbers: [14, 28] Generated Node #0,1,1: 17:[14, 28] Operation: 62-34=28 Exploring Operation: 62-14=48, Resulting Numbers: [34, 48] Generated Node #0,1,2: 17:[34, 48] Operation: 62-14=48 Exploring Operation: 14+34=48, Resulting Numbers: [62, 48] Generated Node #0,1,3: 17:[62, 48] Operation: 14+34=48 Moving to Node #0,1,1 Current State: 17:[14, 28], Operations: ['96-34=62', '62-34=28'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,17 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[34, 48], Operations: ['96-34=62', '62-14=48'] Exploring Operation: 34+48=82, Resulting Numbers: [82] 82,17 unequal: No Solution Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 34*48=1632, Resulting Numbers: [1632] 1632,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[62, 20], Operations: ['96-34=62', '34-14=20'] Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,17 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,17 unequal: No Solution Moving to Node #0,1,3 Current State: 17:[62, 48], Operations: ['96-34=62', '14+34=48'] Exploring Operation: 62*48=2976, Resulting Numbers: [2976] 2976,17 unequal: No Solution Exploring Operation: 62+48=110, Resulting Numbers: [110] 110,17 unequal: No Solution Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 17:[34, 14, 62], Operations: ['96-34=62'] Exploring Operation: 34+14=48, Resulting Numbers: [62, 48] Generated Node #0,3,0: 17:[62, 48] Operation: 34+14=48 Exploring Operation: 62-14=48, Resulting Numbers: [34, 48] Generated Node #0,3,1: 17:[34, 48] Operation: 62-14=48 Exploring Operation: 34-14=20, Resulting Numbers: [62, 20] Generated Node #0,3,2: 17:[62, 20] Operation: 34-14=20 Exploring Operation: 62-34=28, Resulting Numbers: [14, 28] Generated Node #0,3,3: 17:[14, 28] Operation: 62-34=28 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 17:[14, 28], Operations: ['96-34=62', '62-34=28'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 17:[34, 48], Operations: ['96-34=62', '62-14=48'] Exploring Operation: 34+48=82, Resulting Numbers: [82] 82,17 unequal: No Solution Exploring Operation: 34*48=1632, Resulting Numbers: [1632] 1632,17 unequal: No Solution Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 17:[62, 20], Operations: ['96-34=62', '34-14=20'] Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,17 unequal: No Solution Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,17 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 17:[62, 48], Operations: ['96-34=62', '34+14=48'] Exploring Operation: 62*48=2976, Resulting Numbers: [2976] 2976,17 unequal: No Solution Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 62+48=110, Resulting Numbers: [110] 110,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[14, 96, 1], Operations: ['34/34=1'] Exploring Operation: 14*1=14, Resulting Numbers: [96, 14] Generated Node #0,2,0: 17:[96, 14] Operation: 14*1=14 Exploring Operation: 96-14=82, Resulting Numbers: [1, 82] Generated Node #0,2,1: 17:[1, 82] Operation: 96-14=82 Exploring Operation: 14+1=15, Resulting Numbers: [96, 15] Generated Node #0,2,2: 17:[96, 15] Operation: 14+1=15 Exploring Operation: 96-1=95, Resulting Numbers: [14, 95] Generated Node #0,2,3: 17:[14, 95] Operation: 96-1=95 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 17:[1, 82], Operations: ['34/34=1', '96-14=82'] Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,17 unequal: No Solution Exploring Operation: 1+82=83, Resulting Numbers: [83] 83,17 unequal: No Solution Exploring Operation: 1*82=82, Resulting Numbers: [82] 82,17 unequal: No Solution Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 17:[96, 15], Operations: ['34/34=1', '14+1=15'] Exploring Operation: 96-15=81, Resulting Numbers: [81] 81,17 unequal: No Solution Exploring Operation: 96*15=1440, Resulting Numbers: [1440] 1440,17 unequal: No Solution Exploring Operation: 96+15=111, Resulting Numbers: [111] 111,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 17:[14, 95], Operations: ['34/34=1', '96-1=95'] Exploring Operation: 14+95=109, Resulting Numbers: [109] 109,17 unequal: No Solution Exploring Operation: 14*95=1330, Resulting Numbers: [1330] 1330,17 unequal: No Solution Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 17:[96, 14], Operations: ['34/34=1', '14*1=14'] Exploring Operation: 96*14=1344, Resulting Numbers: [1344] 1344,17 unequal: No Solution Exploring Operation: 96-14=82, Resulting Numbers: [82] 82,17 unequal: No Solution Exploring Operation: 96+14=110, Resulting Numbers: [110] 110,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[96, 34, 20], Operations: ['34-14=20'] Exploring Operation: 96-34=62, Resulting Numbers: [20, 62] Generated Node #0,0,0: 17:[20, 62] Operation: 96-34=62 Exploring Operation: 96+34=130, Resulting Numbers: [20, 130] Generated Node #0,0,1: 17:[20, 130] Operation: 96+34=130 Exploring Operation: 96-20=76, Resulting Numbers: [34, 76] Generated Node #0,0,2: 17:[34, 76] Operation: 96-20=76 Exploring Operation: 34-20=14, Resulting Numbers: [96, 14] Generated Node #0,0,3: 17:[96, 14] Operation: 34-20=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[20, 62], Operations: ['34-14=20', '96-34=62'] Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 20*62=1240, Resulting Numbers: [1240] 1240,17 unequal: No Solution Exploring Operation: 20+62=82, Resulting Numbers: [82] 82,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 17:[34, 76], Operations: ['34-14=20', '96-20=76'] Exploring Operation: 34*76=2584, Resulting Numbers: [2584] 2584,17 unequal: No Solution Exploring Operation: 76-34=42, Resulting Numbers: [42] 42,17 unequal: No Solution Exploring Operation: 34+76=110, Resulting Numbers: [110] 110,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 17:[96, 14], Operations: ['34-14=20', '34-20=14'] Exploring Operation: 96-14=82, Resulting Numbers: [82] 82,17 unequal: No Solution Exploring Operation: 96+14=110, Resulting Numbers: [110] 110,17 unequal: No Solution Exploring Operation: 96*14=1344, Resulting Numbers: [1344] 1344,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 17:[20, 130], Operations: ['34-14=20', '96+34=130'] Exploring Operation: 20*130=2600, Resulting Numbers: [2600] 2600,17 unequal: No Solution Exploring Operation: 20+130=150, Resulting Numbers: [150] 150,17 unequal: No Solution Exploring Operation: 130-20=110, Resulting Numbers: [110] 110,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 81, 13, 4, 74 ]
75
[ "4+74=78", "78/13=6", "81-6=75" ]
Current State: 75:[81, 13, 4, 74], Operations: [] Exploring Operation: 4+74=78, Resulting Numbers: [81, 13, 78] Generated Node #2: [81, 13, 78] from Operation: 4+74=78 Current State: 75:[81, 13, 78], Operations: ['4+74=78'] Exploring Operation: 78/13=6, Resulting Numbers: [81, 6] Generated Node #3: [81, 6] from Operation: 78/13=6 Current State: 75:[81, 6], Operations: ['4+74=78', '78/13=6'] Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[81, 13, 4, 74], Operations: [] Exploring Operation: 81-4=77, Resulting Numbers: [13, 74, 77] Generated Node #0,0: 75:[13, 74, 77] Operation: 81-4=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[13, 74, 77], Operations: ['81-4=77'] Exploring Operation: 77-74=3, Resulting Numbers: [13, 3] Generated Node #0,0,0: 75:[13, 3] Operation: 77-74=3 Moving to Node #0,0,0 Current State: 75:[13, 3], Operations: ['81-4=77', '77-74=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 66, 84, 24, 44 ]
46
[ "66-24=42", "84/42=2", "44+2=46" ]
Current State: 46:[66, 84, 24, 44], Operations: [] Exploring Operation: 66-24=42, Resulting Numbers: [84, 44, 42] Generated Node #2: [84, 44, 42] from Operation: 66-24=42 Current State: 46:[84, 44, 42], Operations: ['66-24=42'] Exploring Operation: 84/42=2, Resulting Numbers: [44, 2] Generated Node #3: [44, 2] from Operation: 84/42=2 Current State: 46:[44, 2], Operations: ['66-24=42', '84/42=2'] Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[66, 84, 24, 44], Operations: [] Exploring Operation: 84-66=18, Resulting Numbers: [24, 44, 18] Generated Node #0,0: 46:[24, 44, 18] Operation: 84-66=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[24, 44, 18], Operations: ['84-66=18'] Exploring Operation: 44-18=26, Resulting Numbers: [24, 26] Generated Node #0,0,0: 46:[24, 26] Operation: 44-18=26 Moving to Node #0,0,0 Current State: 46:[24, 26], Operations: ['84-66=18', '44-18=26'] Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,46 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
[ 3, 86, 4, 63 ]
91
[ "63-4=59", "3*59=177", "177-86=91" ]
Current State: 91:[3, 86, 4, 63], Operations: [] Exploring Operation: 63-4=59, Resulting Numbers: [3, 86, 59] Generated Node #2: [3, 86, 59] from Operation: 63-4=59 Current State: 91:[3, 86, 59], Operations: ['63-4=59'] Exploring Operation: 3*59=177, Resulting Numbers: [86, 177] Generated Node #3: [86, 177] from Operation: 3*59=177 Current State: 91:[86, 177], Operations: ['63-4=59', '3*59=177'] Exploring Operation: 177-86=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[3, 86, 4, 63], Operations: [] Exploring Operation: 86-63=23, Resulting Numbers: [3, 4, 23] Generated Node #0,0: 91:[3, 4, 23] Operation: 86-63=23 Exploring Operation: 63/3=21, Resulting Numbers: [86, 4, 21] Generated Node #0,1: 91:[86, 4, 21] Operation: 63/3=21 Exploring Operation: 3+63=66, Resulting Numbers: [86, 4, 66] Generated Node #0,2: 91:[86, 4, 66] Operation: 3+63=66 Exploring Operation: 3+4=7, Resulting Numbers: [86, 63, 7] Generated Node #0,3: 91:[86, 63, 7] Operation: 3+4=7 Exploring Operation: 3+86=89, Resulting Numbers: [4, 63, 89] Generated Node #0,4: 91:[4, 63, 89] Operation: 3+86=89 Moving to Node #0,1 Current State: 91:[86, 4, 21], Operations: ['63/3=21'] Exploring Operation: 86+4=90, Resulting Numbers: [21, 90] Generated Node #0,1,0: 91:[21, 90] Operation: 86+4=90 Exploring Operation: 4*21=84, Resulting Numbers: [86, 84] Generated Node #0,1,1: 91:[86, 84] Operation: 4*21=84 Exploring Operation: 4+21=25, Resulting Numbers: [86, 25] Generated Node #0,1,2: 91:[86, 25] Operation: 4+21=25 Exploring Operation: 21-4=17, Resulting Numbers: [86, 17] Generated Node #0,1,3: 91:[86, 17] Operation: 21-4=17 Exploring Operation: 86-4=82, Resulting Numbers: [21, 82] Generated Node #0,1,4: 91:[21, 82] Operation: 86-4=82 Moving to Node #0,0 Current State: 91:[3, 4, 23], Operations: ['86-63=23'] Exploring Operation: 23-4=19, Resulting Numbers: [3, 19] Generated Node #0,0,0: 91:[3, 19] Operation: 23-4=19 Exploring Operation: 23-3=20, Resulting Numbers: [4, 20] Generated Node #0,0,1: 91:[4, 20] Operation: 23-3=20 Exploring Operation: 3*4=12, Resulting Numbers: [23, 12] Generated Node #0,0,2: 91:[23, 12] Operation: 3*4=12 Exploring Operation: 3+4=7, Resulting Numbers: [23, 7] Generated Node #0,0,3: 91:[23, 7] Operation: 3+4=7 Exploring Operation: 4*23=92, Resulting Numbers: [3, 92] Generated Node #0,0,4: 91:[3, 92] Operation: 4*23=92 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 91:[3, 92], Operations: ['86-63=23', '4*23=92'] Exploring Operation: 3+92=95, Resulting Numbers: [95] 95,91 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 3*92=276, Resulting Numbers: [276] 276,91 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 #0,0,0 Current State: 91:[3, 19], Operations: ['86-63=23', '23-4=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,91 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,91 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 #0,0,1 Current State: 91:[4, 20], Operations: ['86-63=23', '23-3=20'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,91 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,91 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 #0,0,3 Current State: 91:[23, 7], Operations: ['86-63=23', '3+4=7'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,91 unequal: No Solution Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,91 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,91 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 #0,0,2 Current State: 91:[23, 12], Operations: ['86-63=23', '3*4=12'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,91 unequal: No Solution Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,91 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: 91:[86, 4, 66], Operations: ['3+63=66'] Exploring Operation: 4+66=70, Resulting Numbers: [86, 70] Generated Node #0,2,0: 91:[86, 70] Operation: 4+66=70 Exploring Operation: 86-4=82, Resulting Numbers: [66, 82] Generated Node #0,2,1: 91:[66, 82] Operation: 86-4=82 Exploring Operation: 86-66=20, Resulting Numbers: [4, 20] Generated Node #0,2,2: 91:[4, 20] Operation: 86-66=20 Exploring Operation: 86+4=90, Resulting Numbers: [66, 90] Generated Node #0,2,3: 91:[66, 90] Operation: 86+4=90 Exploring Operation: 66-4=62, Resulting Numbers: [86, 62] Generated Node #0,2,4: 91:[86, 62] Operation: 66-4=62 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[4, 20], Operations: ['3+63=66', '86-66=20'] Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,91 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[86, 70], Operations: ['3+63=66', '4+66=70'] Exploring Operation: 86-70=16, Resulting Numbers: [16] 16,91 unequal: No Solution Exploring Operation: 86+70=156, Resulting Numbers: [156] 156,91 unequal: No Solution Exploring Operation: 86*70=6020, Resulting Numbers: [6020] 6020,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 91:[66, 90], Operations: ['3+63=66', '86+4=90'] Exploring Operation: 90-66=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 66+90=156, Resulting Numbers: [156] 156,91 unequal: No Solution Exploring Operation: 66*90=5940, Resulting Numbers: [5940] 5940,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[66, 82], Operations: ['3+63=66', '86-4=82'] Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,91 unequal: No Solution Exploring Operation: 66*82=5412, Resulting Numbers: [5412] 5412,91 unequal: No Solution Exploring Operation: 66+82=148, Resulting Numbers: [148] 148,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 91:[86, 62], Operations: ['3+63=66', '66-4=62'] Exploring Operation: 86*62=5332, Resulting Numbers: [5332] 5332,91 unequal: No Solution Exploring Operation: 86+62=148, Resulting Numbers: [148] 148,91 unequal: No Solution Exploring Operation: 86-62=24, Resulting Numbers: [24] 24,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 91:[86, 63, 7], Operations: ['3+4=7'] Exploring Operation: 63+7=70, Resulting Numbers: [86, 70] Generated Node #0,3,0: 91:[86, 70] Operation: 63+7=70 Exploring Operation: 86-7=79, Resulting Numbers: [63, 79] Generated Node #0,3,1: 91:[63, 79] Operation: 86-7=79 Exploring Operation: 86-63=23, Resulting Numbers: [7, 23] Generated Node #0,3,2: 91:[7, 23] Operation: 86-63=23 Exploring Operation: 86+7=93, Resulting Numbers: [63, 93] Generated Node #0,3,3: 91:[63, 93] Operation: 86+7=93 Exploring Operation: 63/7=9, Resulting Numbers: [86, 9] Generated Node #0,3,4: 91:[86, 9] Operation: 63/7=9 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 91:[86, 9], Operations: ['3+4=7', '63/7=9'] Exploring Operation: 86+9=95, Resulting Numbers: [95] 95,91 unequal: No Solution Exploring Operation: 86*9=774, Resulting Numbers: [774] 774,91 unequal: No Solution Exploring Operation: 86-9=77, Resulting Numbers: [77] 77,91 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 #0,3,2 Current State: 91:[7, 23], Operations: ['3+4=7', '86-63=23'] Exploring Operation: 7*23=161, Resulting Numbers: [161] 161,91 unequal: No Solution Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,91 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,91 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 #0,3,0 Current State: 91:[86, 70], Operations: ['3+4=7', '63+7=70'] Exploring Operation: 86+70=156, Resulting Numbers: [156] 156,91 unequal: No Solution Exploring Operation: 86-70=16, Resulting Numbers: [16] 16,91 unequal: No Solution Exploring Operation: 86*70=6020, Resulting Numbers: [6020] 6020,91 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 #0,3,3 Current State: 91:[63, 93], Operations: ['3+4=7', '86+7=93'] Exploring Operation: 63+93=156, Resulting Numbers: [156] 156,91 unequal: No Solution Exploring Operation: 63*93=5859, Resulting Numbers: [5859] 5859,91 unequal: No Solution Exploring Operation: 93-63=30, Resulting Numbers: [30] 30,91 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 #0,3,1 Current State: 91:[63, 79], Operations: ['3+4=7', '86-7=79'] Exploring Operation: 63+79=142, Resulting Numbers: [142] 142,91 unequal: No Solution Exploring Operation: 63*79=4977, Resulting Numbers: [4977] 4977,91 unequal: No Solution Exploring Operation: 79-63=16, Resulting Numbers: [16] 16,91 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: 91:[4, 63, 89], Operations: ['3+86=89'] Exploring Operation: 89-63=26, Resulting Numbers: [4, 26] Generated Node #0,4,0: 91:[4, 26] Operation: 89-63=26 Exploring Operation: 63-4=59, Resulting Numbers: [89, 59] Generated Node #0,4,1: 91:[89, 59] Operation: 63-4=59 Exploring Operation: 4+89=93, Resulting Numbers: [63, 93] Generated Node #0,4,2: 91:[63, 93] Operation: 4+89=93 Exploring Operation: 4+63=67, Resulting Numbers: [89, 67] Generated Node #0,4,3: 91:[89, 67] Operation: 4+63=67 Exploring Operation: 89-4=85, Resulting Numbers: [63, 85] Generated Node #0,4,4: 91:[63, 85] Operation: 89-4=85 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 91:[4, 26], Operations: ['3+86=89', '89-63=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,91 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,91 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 #0,4,3 Current State: 91:[89, 67], Operations: ['3+86=89', '4+63=67'] Exploring Operation: 89+67=156, Resulting Numbers: [156] 156,91 unequal: No Solution Exploring Operation: 89-67=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 89*67=5963, Resulting Numbers: [5963] 5963,91 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 #0,4,2 Current State: 91:[63, 93], Operations: ['3+86=89', '4+89=93'] Exploring Operation: 63*93=5859, Resulting Numbers: [5859] 5859,91 unequal: No Solution Exploring Operation: 93-63=30, Resulting Numbers: [30] 30,91 unequal: No Solution Exploring Operation: 63+93=156, Resulting Numbers: [156] 156,91 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 #0,4,1 Current State: 91:[89, 59], Operations: ['3+86=89', '63-4=59'] Exploring Operation: 89+59=148, Resulting Numbers: [148] 148,91 unequal: No Solution Exploring Operation: 89*59=5251, Resulting Numbers: [5251] 5251,91 unequal: No Solution Exploring Operation: 89-59=30, Resulting Numbers: [30] 30,91 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 #0,4,4 Current State: 91:[63, 85], Operations: ['3+86=89', '89-4=85'] Exploring Operation: 85-63=22, Resulting Numbers: [22] 22,91 unequal: No Solution Exploring Operation: 63*85=5355, Resulting Numbers: [5355] 5355,91 unequal: No Solution Exploring Operation: 63+85=148, Resulting Numbers: [148] 148,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 91:[21, 90], Operations: ['63/3=21', '86+4=90'] Exploring Operation: 90-21=69, Resulting Numbers: [69] 69,91 unequal: No Solution Exploring Operation: 21+90=111, Resulting Numbers: [111] 111,91 unequal: No Solution Exploring Operation: 21*90=1890, Resulting Numbers: [1890] 1890,91 unequal: No Solution Moving to Node #0,1,3 Current State: 91:[86, 17], Operations: ['63/3=21', '21-4=17'] Exploring Operation: 86-17=69, Resulting Numbers: [69] 69,91 unequal: No Solution Exploring Operation: 86+17=103, Resulting Numbers: [103] 103,91 unequal: No Solution Exploring Operation: 86*17=1462, Resulting Numbers: [1462] 1462,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[86, 84], Operations: ['63/3=21', '4*21=84'] Exploring Operation: 86+84=170, Resulting Numbers: [170] 170,91 unequal: No Solution Exploring Operation: 86*84=7224, Resulting Numbers: [7224] 7224,91 unequal: No Solution Exploring Operation: 86-84=2, Resulting Numbers: [2] 2,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[86, 25], Operations: ['63/3=21', '4+21=25'] Exploring Operation: 86-25=61, Resulting Numbers: [61] 61,91 unequal: No Solution Exploring Operation: 86+25=111, Resulting Numbers: [111] 111,91 unequal: No Solution Exploring Operation: 86*25=2150, Resulting Numbers: [2150] 2150,91 unequal: No Solution Moving to Node #0,1,4 Current State: 91:[21, 82], Operations: ['63/3=21', '86-4=82'] Exploring Operation: 21+82=103, Resulting Numbers: [103] 103,91 unequal: No Solution Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,91 unequal: No Solution Exploring Operation: 21*82=1722, Resulting Numbers: [1722] 1722,91 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 11, 34, 34, 62 ]
52
[ "62-11=51", "34/34=1", "51+1=52" ]
Current State: 52:[11, 34, 34, 62], Operations: [] Exploring Operation: 62-11=51, Resulting Numbers: [34, 34, 51] Generated Node #2: [34, 34, 51] from Operation: 62-11=51 Current State: 52:[34, 34, 51], Operations: ['62-11=51'] Exploring Operation: 34/34=1, Resulting Numbers: [51, 1] Generated Node #3: [51, 1] from Operation: 34/34=1 Current State: 52:[51, 1], Operations: ['62-11=51', '34/34=1'] Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[11, 34, 34, 62], Operations: [] Exploring Operation: 62-34=28, Resulting Numbers: [11, 34, 28] Generated Node #0,0: 52:[11, 34, 28] Operation: 62-34=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[11, 34, 28], Operations: ['62-34=28'] Exploring Operation: 34-28=6, Resulting Numbers: [11, 6] Generated Node #0,0,0: 52:[11, 6] Operation: 34-28=6 Moving to Node #0,0,0 Current State: 52:[11, 6], Operations: ['62-34=28', '34-28=6'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 15, 22, 57, 13 ]
81
[ "15+22=37", "57-13=44", "37+44=81" ]
Current State: 81:[15, 22, 57, 13], Operations: [] Exploring Operation: 15+22=37, Resulting Numbers: [57, 13, 37] Generated Node #2: [57, 13, 37] from Operation: 15+22=37 Current State: 81:[57, 13, 37], Operations: ['15+22=37'] Exploring Operation: 57-13=44, Resulting Numbers: [37, 44] Generated Node #3: [37, 44] from Operation: 57-13=44 Current State: 81:[37, 44], Operations: ['15+22=37', '57-13=44'] Exploring Operation: 37+44=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[15, 22, 57, 13], Operations: [] Exploring Operation: 22+57=79, Resulting Numbers: [15, 13, 79] Generated Node #0,0: 81:[15, 13, 79] Operation: 22+57=79 Exploring Operation: 57+13=70, Resulting Numbers: [15, 22, 70] Generated Node #0,1: 81:[15, 22, 70] Operation: 57+13=70 Exploring Operation: 15+57=72, Resulting Numbers: [22, 13, 72] Generated Node #0,2: 81:[22, 13, 72] Operation: 15+57=72 Exploring Operation: 57-22=35, Resulting Numbers: [15, 13, 35] Generated Node #0,3: 81:[15, 13, 35] Operation: 57-22=35 Moving to Node #0,0 Current State: 81:[15, 13, 79], Operations: ['22+57=79'] Exploring Operation: 15-13=2, Resulting Numbers: [79, 2] Generated Node #0,0,0: 81:[79, 2] Operation: 15-13=2 Exploring Operation: 15+79=94, Resulting Numbers: [13, 94] Generated Node #0,0,1: 81:[13, 94] Operation: 15+79=94 Exploring Operation: 15+13=28, Resulting Numbers: [79, 28] Generated Node #0,0,2: 81:[79, 28] Operation: 15+13=28 Exploring Operation: 13+79=92, Resulting Numbers: [15, 92] Generated Node #0,0,3: 81:[15, 92] Operation: 13+79=92 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[79, 2], Operations: ['22+57=79', '15-13=2'] Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[15, 22, 57, 13], Operations: [] Exploring Operation: 22+57=79, Resulting Numbers: [15, 13, 79] Generated Node #0,0: 81:[15, 13, 79] Operation: 22+57=79 Moving to Node #0,0 Current State: 81:[15, 13, 79], Operations: ['22+57=79'] Exploring Operation: 15-13=2, Resulting Numbers: [79, 2] Generated Node #0,0,0: 81:[79, 2] Operation: 15-13=2 Moving to Node #0,0,0 Current State: 81:[79, 2], Operations: ['22+57=79', '15-13=2'] Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 75, 52, 14, 40 ]
77
[ "75-52=23", "14+40=54", "23+54=77" ]
Current State: 77:[75, 52, 14, 40], Operations: [] Exploring Operation: 75-52=23, Resulting Numbers: [14, 40, 23] Generated Node #2: [14, 40, 23] from Operation: 75-52=23 Current State: 77:[14, 40, 23], Operations: ['75-52=23'] Exploring Operation: 14+40=54, Resulting Numbers: [23, 54] Generated Node #3: [23, 54] from Operation: 14+40=54 Current State: 77:[23, 54], Operations: ['75-52=23', '14+40=54'] Exploring Operation: 23+54=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[75, 52, 14, 40], Operations: [] Exploring Operation: 52+14=66, Resulting Numbers: [75, 40, 66] Generated Node #0,0: 77:[75, 40, 66] Operation: 52+14=66 Exploring Operation: 52+40=92, Resulting Numbers: [75, 14, 92] Generated Node #0,1: 77:[75, 14, 92] Operation: 52+40=92 Exploring Operation: 52-40=12, Resulting Numbers: [75, 14, 12] Generated Node #0,2: 77:[75, 14, 12] Operation: 52-40=12 Moving to Node #0,2 Current State: 77:[75, 14, 12], Operations: ['52-40=12'] Exploring Operation: 14-12=2, Resulting Numbers: [75, 2] Generated Node #0,2,0: 77:[75, 2] Operation: 14-12=2 Exploring Operation: 75+12=87, Resulting Numbers: [14, 87] Generated Node #0,2,1: 77:[14, 87] Operation: 75+12=87 Exploring Operation: 75+14=89, Resulting Numbers: [12, 89] Generated Node #0,2,2: 77:[12, 89] Operation: 75+14=89 Moving to Node #0,1 Current State: 77:[75, 14, 92], Operations: ['52+40=92'] Exploring Operation: 92-75=17, Resulting Numbers: [14, 17] Generated Node #0,1,0: 77:[14, 17] Operation: 92-75=17 Exploring Operation: 92-14=78, Resulting Numbers: [75, 78] Generated Node #0,1,1: 77:[75, 78] Operation: 92-14=78 Exploring Operation: 75+14=89, Resulting Numbers: [92, 89] Generated Node #0,1,2: 77:[92, 89] Operation: 75+14=89 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[75, 78], Operations: ['52+40=92', '92-14=78'] Exploring Operation: 78-75=3, Resulting Numbers: [3] 3,77 unequal: No Solution Exploring Operation: 75*78=5850, Resulting Numbers: [5850] 5850,77 unequal: No Solution Exploring Operation: 75+78=153, Resulting Numbers: [153] 153,77 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:[14, 17], Operations: ['52+40=92', '92-75=17'] Exploring Operation: 14*17=238, Resulting Numbers: [238] 238,77 unequal: No Solution Exploring Operation: 14+17=31, Resulting Numbers: [31] 31,77 unequal: No Solution Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,77 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:[92, 89], Operations: ['52+40=92', '75+14=89'] Exploring Operation: 92*89=8188, Resulting Numbers: [8188] 8188,77 unequal: No Solution Exploring Operation: 92-89=3, Resulting Numbers: [3] 3,77 unequal: No Solution Exploring Operation: 92+89=181, Resulting Numbers: [181] 181,77 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:[75, 40, 66], Operations: ['52+14=66'] Exploring Operation: 66-40=26, Resulting Numbers: [75, 26] Generated Node #0,0,0: 77:[75, 26] Operation: 66-40=26 Exploring Operation: 40+66=106, Resulting Numbers: [75, 106] Generated Node #0,0,1: 77:[75, 106] Operation: 40+66=106 Exploring Operation: 75-66=9, Resulting Numbers: [40, 9] Generated Node #0,0,2: 77:[40, 9] Operation: 75-66=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[75, 26], Operations: ['52+14=66', '66-40=26'] Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,77 unequal: No Solution Exploring Operation: 75*26=1950, Resulting Numbers: [1950] 1950,77 unequal: No Solution Exploring Operation: 75+26=101, Resulting Numbers: [101] 101,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[75, 106], Operations: ['52+14=66', '40+66=106'] Exploring Operation: 106-75=31, Resulting Numbers: [31] 31,77 unequal: No Solution Exploring Operation: 75+106=181, Resulting Numbers: [181] 181,77 unequal: No Solution Exploring Operation: 75*106=7950, Resulting Numbers: [7950] 7950,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[40, 9], Operations: ['52+14=66', '75-66=9'] Exploring Operation: 40*9=360, Resulting Numbers: [360] 360,77 unequal: No Solution Exploring Operation: 40+9=49, Resulting Numbers: [49] 49,77 unequal: No Solution Exploring Operation: 40-9=31, Resulting Numbers: [31] 31,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 77:[75, 2], Operations: ['52-40=12', '14-12=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[75, 52, 14, 40], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [75, 14, 12] Generated Node #0,2: 77:[75, 14, 12] Operation: 52-40=12 Moving to Node #0,2 Current State: 77:[75, 14, 12], Operations: ['52-40=12'] Exploring Operation: 14-12=2, Resulting Numbers: [75, 2] Generated Node #0,2,0: 77:[75, 2] Operation: 14-12=2 Moving to Node #0,2,0 Current State: 77:[75, 2], Operations: ['52-40=12', '14-12=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
0.969618
hs_3
sum_heuristic
[ 40, 4, 30, 36 ]
61
[ "40+30=70", "36/4=9", "70-9=61" ]
Current State: 61:[40, 4, 30, 36], Operations: [] Exploring Operation: 40+30=70, Resulting Numbers: [4, 36, 70] Generated Node #2: [4, 36, 70] from Operation: 40+30=70 Current State: 61:[4, 36, 70], Operations: ['40+30=70'] Exploring Operation: 36/4=9, Resulting Numbers: [70, 9] Generated Node #3: [70, 9] from Operation: 36/4=9 Current State: 61:[70, 9], Operations: ['40+30=70', '36/4=9'] Exploring Operation: 70-9=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[40, 4, 30, 36], Operations: [] Exploring Operation: 4+30=34, Resulting Numbers: [40, 36, 34] Generated Node #0,0: 61:[40, 36, 34] Operation: 4+30=34 Exploring Operation: 40+4=44, Resulting Numbers: [30, 36, 44] Generated Node #0,1: 61:[30, 36, 44] Operation: 40+4=44 Moving to Node #0,0 Current State: 61:[40, 36, 34], Operations: ['4+30=34'] Exploring Operation: 36+34=70, Resulting Numbers: [40, 70] Generated Node #0,0,0: 61:[40, 70] Operation: 36+34=70 Exploring Operation: 40+34=74, Resulting Numbers: [36, 74] Generated Node #0,0,1: 61:[36, 74] Operation: 40+34=74 Moving to Node #0,1 Current State: 61:[30, 36, 44], Operations: ['40+4=44'] Exploring Operation: 30+36=66, Resulting Numbers: [44, 66] Generated Node #0,1,0: 61:[44, 66] Operation: 30+36=66 Exploring Operation: 30+44=74, Resulting Numbers: [36, 74] Generated Node #0,1,1: 61:[36, 74] Operation: 30+44=74 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[44, 66], Operations: ['40+4=44', '30+36=66'] Exploring Operation: 66-44=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 44+66=110, Resulting Numbers: [110] 110,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[36, 74], Operations: ['40+4=44', '30+44=74'] Exploring Operation: 74-36=38, Resulting Numbers: [38] 38,61 unequal: No Solution Exploring Operation: 36+74=110, Resulting Numbers: [110] 110,61 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: 61:[40, 70], Operations: ['4+30=34', '36+34=70'] Exploring Operation: 40+70=110, Resulting Numbers: [110] 110,61 unequal: No Solution Exploring Operation: 70-40=30, Resulting Numbers: [30] 30,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[36, 74], Operations: ['4+30=34', '40+34=74'] Exploring Operation: 36+74=110, Resulting Numbers: [110] 110,61 unequal: No Solution Exploring Operation: 74-36=38, Resulting Numbers: [38] 38,61 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 80, 33, 70, 61 ]
56
[ "80-33=47", "70-61=9", "47+9=56" ]
Current State: 56:[80, 33, 70, 61], Operations: [] Exploring Operation: 80-33=47, Resulting Numbers: [70, 61, 47] Generated Node #2: [70, 61, 47] from Operation: 80-33=47 Current State: 56:[70, 61, 47], Operations: ['80-33=47'] Exploring Operation: 70-61=9, Resulting Numbers: [47, 9] Generated Node #3: [47, 9] from Operation: 70-61=9 Current State: 56:[47, 9], Operations: ['80-33=47', '70-61=9'] Exploring Operation: 47+9=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[80, 33, 70, 61], Operations: [] Exploring Operation: 80-70=10, Resulting Numbers: [33, 61, 10] Generated Node #0,0: 56:[33, 61, 10] Operation: 80-70=10 Moving to Node #0,0 Current State: 56:[33, 61, 10], Operations: ['80-70=10'] Exploring Operation: 61-33=28, Resulting Numbers: [10, 28] Generated Node #0,0,0: 56:[10, 28] Operation: 61-33=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[10, 28], Operations: ['80-70=10', '61-33=28'] Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,56 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
[ 36, 93, 28, 21 ]
80
[ "36+93=129", "28+21=49", "129-49=80" ]
Current State: 80:[36, 93, 28, 21], Operations: [] Exploring Operation: 36+93=129, Resulting Numbers: [28, 21, 129] Generated Node #2: [28, 21, 129] from Operation: 36+93=129 Current State: 80:[28, 21, 129], Operations: ['36+93=129'] Exploring Operation: 28+21=49, Resulting Numbers: [129, 49] Generated Node #3: [129, 49] from Operation: 28+21=49 Current State: 80:[129, 49], Operations: ['36+93=129', '28+21=49'] Exploring Operation: 129-49=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[36, 93, 28, 21], Operations: [] Exploring Operation: 93-21=72, Resulting Numbers: [36, 28, 72] Generated Node #0,0: 80:[36, 28, 72] Operation: 93-21=72 Exploring Operation: 28-21=7, Resulting Numbers: [36, 93, 7] Generated Node #0,1: 80:[36, 93, 7] Operation: 28-21=7 Exploring Operation: 36-28=8, Resulting Numbers: [93, 21, 8] Generated Node #0,2: 80:[93, 21, 8] Operation: 36-28=8 Exploring Operation: 93-28=65, Resulting Numbers: [36, 21, 65] Generated Node #0,3: 80:[36, 21, 65] Operation: 93-28=65 Moving to Node #0,2 Current State: 80:[93, 21, 8], Operations: ['36-28=8'] Exploring Operation: 93-21=72, Resulting Numbers: [8, 72] Generated Node #0,2,0: 80:[8, 72] Operation: 93-21=72 Exploring Operation: 21-8=13, Resulting Numbers: [93, 13] Generated Node #0,2,1: 80:[93, 13] Operation: 21-8=13 Exploring Operation: 93+8=101, Resulting Numbers: [21, 101] Generated Node #0,2,2: 80:[21, 101] Operation: 93+8=101 Exploring Operation: 93-8=85, Resulting Numbers: [21, 85] Generated Node #0,2,3: 80:[21, 85] Operation: 93-8=85 Moving to Node #0,1 Current State: 80:[36, 93, 7], Operations: ['28-21=7'] Exploring Operation: 36+7=43, Resulting Numbers: [93, 43] Generated Node #0,1,0: 80:[93, 43] Operation: 36+7=43 Exploring Operation: 93-7=86, Resulting Numbers: [36, 86] Generated Node #0,1,1: 80:[36, 86] Operation: 93-7=86 Exploring Operation: 93-36=57, Resulting Numbers: [7, 57] Generated Node #0,1,2: 80:[7, 57] Operation: 93-36=57 Exploring Operation: 36-7=29, Resulting Numbers: [93, 29] Generated Node #0,1,3: 80:[93, 29] Operation: 36-7=29 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 80:[36, 86], Operations: ['28-21=7', '93-7=86'] Exploring Operation: 36*86=3096, Resulting Numbers: [3096] 3096,80 unequal: No Solution Exploring Operation: 86-36=50, Resulting Numbers: [50] 50,80 unequal: No Solution Exploring Operation: 36+86=122, Resulting Numbers: [122] 122,80 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 #0,1,0 Current State: 80:[93, 43], Operations: ['28-21=7', '36+7=43'] Exploring Operation: 93*43=3999, Resulting Numbers: [3999] 3999,80 unequal: No Solution Exploring Operation: 93+43=136, Resulting Numbers: [136] 136,80 unequal: No Solution Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,80 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 #0,1,2 Current State: 80:[7, 57], Operations: ['28-21=7', '93-36=57'] Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,80 unequal: No Solution Exploring Operation: 7+57=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 7*57=399, Resulting Numbers: [399] 399,80 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 #0,1,3 Current State: 80:[93, 29], Operations: ['28-21=7', '36-7=29'] Exploring Operation: 93+29=122, Resulting Numbers: [122] 122,80 unequal: No Solution Exploring Operation: 93-29=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 93*29=2697, Resulting Numbers: [2697] 2697,80 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: 80:[36, 21, 65], Operations: ['93-28=65'] Exploring Operation: 65-36=29, Resulting Numbers: [21, 29] Generated Node #0,3,0: 80:[21, 29] Operation: 65-36=29 Exploring Operation: 21+65=86, Resulting Numbers: [36, 86] Generated Node #0,3,1: 80:[36, 86] Operation: 21+65=86 Exploring Operation: 65-21=44, Resulting Numbers: [36, 44] Generated Node #0,3,2: 80:[36, 44] Operation: 65-21=44 Exploring Operation: 36-21=15, Resulting Numbers: [65, 15] Generated Node #0,3,3: 80:[65, 15] Operation: 36-21=15 Moving to Node #0,0 Current State: 80:[36, 28, 72], Operations: ['93-21=72'] Exploring Operation: 36-28=8, Resulting Numbers: [72, 8] Generated Node #0,0,0: 80:[72, 8] Operation: 36-28=8 Exploring Operation: 72-36=36, Resulting Numbers: [28, 36] Generated Node #0,0,1: 80:[28, 36] Operation: 72-36=36 Exploring Operation: 72/36=2, Resulting Numbers: [28, 2] Generated Node #0,0,2: 80:[28, 2] Operation: 72/36=2 Exploring Operation: 72-28=44, Resulting Numbers: [36, 44] Generated Node #0,0,3: 80:[36, 44] Operation: 72-28=44 Moving to Node #0,2,3 Current State: 80:[21, 85], Operations: ['36-28=8', '93-8=85'] Exploring Operation: 85-21=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 21+85=106, Resulting Numbers: [106] 106,80 unequal: No Solution Exploring Operation: 21*85=1785, Resulting Numbers: [1785] 1785,80 unequal: No Solution Moving to Node #0,2,0 Current State: 80:[8, 72], Operations: ['36-28=8', '93-21=72'] Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,80 unequal: No Solution Exploring Operation: 8*72=576, Resulting Numbers: [576] 576,80 unequal: No Solution Exploring Operation: 8+72=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[36, 93, 28, 21], Operations: [] Exploring Operation: 36-28=8, Resulting Numbers: [93, 21, 8] Generated Node #0,2: 80:[93, 21, 8] Operation: 36-28=8 Moving to Node #0,2 Current State: 80:[93, 21, 8], Operations: ['36-28=8'] Exploring Operation: 93-21=72, Resulting Numbers: [8, 72] Generated Node #0,2,0: 80:[8, 72] Operation: 93-21=72 Moving to Node #0,2,0 Current State: 80:[8, 72], Operations: ['36-28=8', '93-21=72'] Exploring Operation: 8+72=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
0.963542
hs_4
mult_heuristic
[ 56, 67, 77, 62 ]
60
[ "62-56=6", "77-67=10", "6*10=60" ]
Current State: 60:[56, 67, 77, 62], Operations: [] Exploring Operation: 62-56=6, Resulting Numbers: [67, 77, 6] Generated Node #2: [67, 77, 6] from Operation: 62-56=6 Current State: 60:[67, 77, 6], Operations: ['62-56=6'] Exploring Operation: 77-67=10, Resulting Numbers: [6, 10] Generated Node #3: [6, 10] from Operation: 77-67=10 Current State: 60:[6, 10], Operations: ['62-56=6', '77-67=10'] Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[56, 67, 77, 62], Operations: [] Exploring Operation: 77-67=10, Resulting Numbers: [56, 62, 10] Generated Node #0,0: 60:[56, 62, 10] Operation: 77-67=10 Exploring Operation: 77-62=15, Resulting Numbers: [56, 67, 15] Generated Node #0,1: 60:[56, 67, 15] Operation: 77-62=15 Exploring Operation: 77-56=21, Resulting Numbers: [67, 62, 21] Generated Node #0,2: 60:[67, 62, 21] Operation: 77-56=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[56, 62, 10], Operations: ['77-67=10'] Exploring Operation: 62-10=52, Resulting Numbers: [56, 52] Generated Node #0,0,0: 60:[56, 52] Operation: 62-10=52 Exploring Operation: 56+10=66, Resulting Numbers: [62, 66] Generated Node #0,0,1: 60:[62, 66] Operation: 56+10=66 Exploring Operation: 62-56=6, Resulting Numbers: [10, 6] Generated Node #0,0,2: 60:[10, 6] Operation: 62-56=6 Moving to Node #0,0,2 Current State: 60:[10, 6], Operations: ['77-67=10', '62-56=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[56, 67, 77, 62], Operations: [] Exploring Operation: 77-67=10, Resulting Numbers: [56, 62, 10] Generated Node #0,0: 60:[56, 62, 10] Operation: 77-67=10 Moving to Node #0,0 Current State: 60:[56, 62, 10], Operations: ['77-67=10'] Exploring Operation: 62-56=6, Resulting Numbers: [10, 6] Generated Node #0,0,2: 60:[10, 6] Operation: 62-56=6 Moving to Node #0,0,2 Current State: 60:[10, 6], Operations: ['77-67=10', '62-56=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 72, 55, 65, 67 ]
19
[ "72-55=17", "67-65=2", "17+2=19" ]
Current State: 19:[72, 55, 65, 67], Operations: [] Exploring Operation: 72-55=17, Resulting Numbers: [65, 67, 17] Generated Node #2: [65, 67, 17] from Operation: 72-55=17 Current State: 19:[65, 67, 17], Operations: ['72-55=17'] Exploring Operation: 67-65=2, Resulting Numbers: [17, 2] Generated Node #3: [17, 2] from Operation: 67-65=2 Current State: 19:[17, 2], Operations: ['72-55=17', '67-65=2'] Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[72, 55, 65, 67], Operations: [] Exploring Operation: 72-55=17, Resulting Numbers: [65, 67, 17] Generated Node #0,0: 19:[65, 67, 17] Operation: 72-55=17 Exploring Operation: 72-65=7, Resulting Numbers: [55, 67, 7] Generated Node #0,1: 19:[55, 67, 7] Operation: 72-65=7 Moving to Node #0,0 Current State: 19:[65, 67, 17], Operations: ['72-55=17'] Exploring Operation: 65-17=48, Resulting Numbers: [67, 48] Generated Node #0,0,0: 19:[67, 48] Operation: 65-17=48 Exploring Operation: 67-65=2, Resulting Numbers: [17, 2] Generated Node #0,0,1: 19:[17, 2] Operation: 67-65=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[17, 2], Operations: ['72-55=17', '67-65=2'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,19 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[72, 55, 65, 67], Operations: [] Exploring Operation: 72-55=17, Resulting Numbers: [65, 67, 17] Generated Node #0,0: 19:[65, 67, 17] Operation: 72-55=17 Moving to Node #0,0 Current State: 19:[65, 67, 17], Operations: ['72-55=17'] Exploring Operation: 67-65=2, Resulting Numbers: [17, 2] Generated Node #0,0,1: 19:[17, 2] Operation: 67-65=2 Moving to Node #0,0,1 Current State: 19:[17, 2], Operations: ['72-55=17', '67-65=2'] Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 54, 9, 62, 61 ]
78
[ "54-9=45", "62+61=123", "123-45=78" ]
Current State: 78:[54, 9, 62, 61], Operations: [] Exploring Operation: 54-9=45, Resulting Numbers: [62, 61, 45] Generated Node #2: [62, 61, 45] from Operation: 54-9=45 Current State: 78:[62, 61, 45], Operations: ['54-9=45'] Exploring Operation: 62+61=123, Resulting Numbers: [45, 123] Generated Node #3: [45, 123] from Operation: 62+61=123 Current State: 78:[45, 123], Operations: ['54-9=45', '62+61=123'] Exploring Operation: 123-45=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[54, 9, 62, 61], Operations: [] Exploring Operation: 62-61=1, Resulting Numbers: [54, 9, 1] Generated Node #0,0: 78:[54, 9, 1] Operation: 62-61=1 Moving to Node #0,0 Current State: 78:[54, 9, 1], Operations: ['62-61=1'] Exploring Operation: 54/9=6, Resulting Numbers: [1, 6] Generated Node #0,0,0: 78:[1, 6] Operation: 54/9=6 Moving to Node #0,0,0 Current State: 78:[1, 6], Operations: ['62-61=1', '54/9=6'] Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,78 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 70, 85, 1, 6 ]
84
[ "85-70=15", "15-1=14", "6*14=84" ]
Current State: 84:[70, 85, 1, 6], Operations: [] Exploring Operation: 85-70=15, Resulting Numbers: [1, 6, 15] Generated Node #2: [1, 6, 15] from Operation: 85-70=15 Current State: 84:[1, 6, 15], Operations: ['85-70=15'] Exploring Operation: 15-1=14, Resulting Numbers: [6, 14] Generated Node #3: [6, 14] from Operation: 15-1=14 Current State: 84:[6, 14], Operations: ['85-70=15', '15-1=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[70, 85, 1, 6], Operations: [] Exploring Operation: 70+1=71, Resulting Numbers: [85, 6, 71] Generated Node #0,0: 84:[85, 6, 71] Operation: 70+1=71 Exploring Operation: 70+6=76, Resulting Numbers: [85, 1, 76] Generated Node #0,1: 84:[85, 1, 76] Operation: 70+6=76 Exploring Operation: 70*1=70, Resulting Numbers: [85, 6, 70] Generated Node #0,2: 84:[85, 6, 70] Operation: 70*1=70 Exploring Operation: 85-70=15, Resulting Numbers: [1, 6, 15] Generated Node #0,3: 84:[1, 6, 15] Operation: 85-70=15 Exploring Operation: 85-1=84, Resulting Numbers: [70, 6, 84] Generated Node #0,4: 84:[70, 6, 84] Operation: 85-1=84 Moving to Node #0,3 Current State: 84:[1, 6, 15], Operations: ['85-70=15'] Exploring Operation: 1+6=7, Resulting Numbers: [15, 7] Generated Node #0,3,0: 84:[15, 7] Operation: 1+6=7 Exploring Operation: 1*6=6, Resulting Numbers: [15, 6] Generated Node #0,3,1: 84:[15, 6] Operation: 1*6=6 Exploring Operation: 15-1=14, Resulting Numbers: [6, 14] Generated Node #0,3,2: 84:[6, 14] Operation: 15-1=14 Exploring Operation: 1*15=15, Resulting Numbers: [6, 15] Generated Node #0,3,3: 84:[6, 15] Operation: 1*15=15 Exploring Operation: 6/1=6, Resulting Numbers: [15, 6] Generated Node #0,3,4: 84:[15, 6] Operation: 6/1=6 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 84:[6, 14], Operations: ['85-70=15', '15-1=14'] Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,84 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[70, 85, 1, 6], Operations: [] Exploring Operation: 85-70=15, Resulting Numbers: [1, 6, 15] Generated Node #0,3: 84:[1, 6, 15] Operation: 85-70=15 Moving to Node #0,3 Current State: 84:[1, 6, 15], Operations: ['85-70=15'] Exploring Operation: 15-1=14, Resulting Numbers: [6, 14] Generated Node #0,3,2: 84:[6, 14] Operation: 15-1=14 Moving to Node #0,3,2 Current State: 84:[6, 14], Operations: ['85-70=15', '15-1=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 47, 20, 11, 51 ]
89
[ "47-20=27", "11+51=62", "27+62=89" ]
Current State: 89:[47, 20, 11, 51], Operations: [] Exploring Operation: 47-20=27, Resulting Numbers: [11, 51, 27] Generated Node #2: [11, 51, 27] from Operation: 47-20=27 Current State: 89:[11, 51, 27], Operations: ['47-20=27'] Exploring Operation: 11+51=62, Resulting Numbers: [27, 62] Generated Node #3: [27, 62] from Operation: 11+51=62 Current State: 89:[27, 62], Operations: ['47-20=27', '11+51=62'] Exploring Operation: 27+62=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[47, 20, 11, 51], Operations: [] Exploring Operation: 47+20=67, Resulting Numbers: [11, 51, 67] Generated Node #0,0: 89:[11, 51, 67] Operation: 47+20=67 Exploring Operation: 47+11=58, Resulting Numbers: [20, 51, 58] Generated Node #0,1: 89:[20, 51, 58] Operation: 47+11=58 Moving to Node #0,0 Current State: 89:[11, 51, 67], Operations: ['47+20=67'] Exploring Operation: 11+67=78, Resulting Numbers: [51, 78] Generated Node #0,0,0: 89:[51, 78] Operation: 11+67=78 Exploring Operation: 11+51=62, Resulting Numbers: [67, 62] Generated Node #0,0,1: 89:[67, 62] Operation: 11+51=62 Moving to Node #0,1 Current State: 89:[20, 51, 58], Operations: ['47+11=58'] Exploring Operation: 20+51=71, Resulting Numbers: [58, 71] Generated Node #0,1,0: 89:[58, 71] Operation: 20+51=71 Exploring Operation: 20+58=78, Resulting Numbers: [51, 78] Generated Node #0,1,1: 89:[51, 78] Operation: 20+58=78 Moving to Node #0,0,0 Current State: 89:[51, 78], Operations: ['47+20=67', '11+67=78'] Exploring Operation: 51+78=129, Resulting Numbers: [129] 129,89 unequal: No Solution Exploring Operation: 78-51=27, Resulting Numbers: [27] 27,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[58, 71], Operations: ['47+11=58', '20+51=71'] Exploring Operation: 58+71=129, Resulting Numbers: [129] 129,89 unequal: No Solution Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[67, 62], Operations: ['47+20=67', '11+51=62'] Exploring Operation: 67-62=5, Resulting Numbers: [5] 5,89 unequal: No Solution Exploring Operation: 67+62=129, Resulting Numbers: [129] 129,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[51, 78], Operations: ['47+11=58', '20+58=78'] Exploring Operation: 78-51=27, Resulting Numbers: [27] 27,89 unequal: No Solution Exploring Operation: 51+78=129, Resulting Numbers: [129] 129,89 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 2, 20, 71, 9 ]
50
[ "20+71=91", "9+91=100", "100/2=50" ]
Current State: 50:[2, 20, 71, 9], Operations: [] Exploring Operation: 20+71=91, Resulting Numbers: [2, 9, 91] Generated Node #2: [2, 9, 91] from Operation: 20+71=91 Current State: 50:[2, 9, 91], Operations: ['20+71=91'] Exploring Operation: 9+91=100, Resulting Numbers: [2, 100] Generated Node #3: [2, 100] from Operation: 9+91=100 Current State: 50:[2, 100], Operations: ['20+71=91', '9+91=100'] Exploring Operation: 100/2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[2, 20, 71, 9], Operations: [] Exploring Operation: 20/2=10, Resulting Numbers: [71, 9, 10] Generated Node #0,0: 50:[71, 9, 10] Operation: 20/2=10 Exploring Operation: 71-9=62, Resulting Numbers: [2, 20, 62] Generated Node #0,1: 50:[2, 20, 62] Operation: 71-9=62 Exploring Operation: 71-20=51, Resulting Numbers: [2, 9, 51] Generated Node #0,2: 50:[2, 9, 51] Operation: 71-20=51 Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[2, 9, 51], Operations: ['71-20=51'] Exploring Operation: 51-2=49, Resulting Numbers: [9, 49] Generated Node #0,2,0: 50:[9, 49] Operation: 51-2=49 Exploring Operation: 9-2=7, Resulting Numbers: [51, 7] Generated Node #0,2,1: 50:[51, 7] Operation: 9-2=7 Exploring Operation: 2+9=11, Resulting Numbers: [51, 11] Generated Node #0,2,2: 50:[51, 11] Operation: 2+9=11 Moving to Node #0,2,0 Current State: 50:[9, 49], Operations: ['71-20=51', '51-2=49'] Exploring Operation: 9*49=441, Resulting Numbers: [441] 441,50 unequal: No Solution Exploring Operation: 9+49=58, Resulting Numbers: [58] 58,50 unequal: No Solution Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[51, 11], Operations: ['71-20=51', '2+9=11'] Exploring Operation: 51+11=62, Resulting Numbers: [62] 62,50 unequal: No Solution Exploring Operation: 51*11=561, Resulting Numbers: [561] 561,50 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[51, 7], Operations: ['71-20=51', '9-2=7'] Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,50 unequal: No Solution Exploring Operation: 51+7=58, Resulting Numbers: [58] 58,50 unequal: No Solution Exploring Operation: 51*7=357, Resulting Numbers: [357] 357,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[2, 20, 62], Operations: ['71-9=62'] Exploring Operation: 62-20=42, Resulting Numbers: [2, 42] Generated Node #0,1,0: 50:[2, 42] Operation: 62-20=42 Exploring Operation: 62/2=31, Resulting Numbers: [20, 31] Generated Node #0,1,1: 50:[20, 31] Operation: 62/2=31 Exploring Operation: 20/2=10, Resulting Numbers: [62, 10] Generated Node #0,1,2: 50:[62, 10] Operation: 20/2=10 Moving to Node #0,1,0 Current State: 50:[2, 42], Operations: ['71-9=62', '62-20=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,50 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,50 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[20, 31], Operations: ['71-9=62', '62/2=31'] Exploring Operation: 20*31=620, Resulting Numbers: [620] 620,50 unequal: No Solution Exploring Operation: 20+31=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[62, 10], Operations: ['71-9=62', '20/2=10'] Exploring Operation: 62*10=620, Resulting Numbers: [620] 620,50 unequal: No Solution Exploring Operation: 62+10=72, Resulting Numbers: [72] 72,50 unequal: No Solution Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[71, 9, 10], Operations: ['20/2=10'] Exploring Operation: 71-10=61, Resulting Numbers: [9, 61] Generated Node #0,0,0: 50:[9, 61] Operation: 71-10=61 Exploring Operation: 71-9=62, Resulting Numbers: [10, 62] Generated Node #0,0,1: 50:[10, 62] Operation: 71-9=62 Exploring Operation: 10-9=1, Resulting Numbers: [71, 1] Generated Node #0,0,2: 50:[71, 1] Operation: 10-9=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[9, 61], Operations: ['20/2=10', '71-10=61'] Exploring Operation: 9+61=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 9*61=549, Resulting Numbers: [549] 549,50 unequal: No Solution Exploring Operation: 61-9=52, Resulting Numbers: [52] 52,50 unequal: No Solution No 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: 50:[10, 62], Operations: ['20/2=10', '71-9=62'] Exploring Operation: 10+62=72, Resulting Numbers: [72] 72,50 unequal: No Solution Exploring Operation: 10*62=620, Resulting Numbers: [620] 620,50 unequal: No Solution Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,50 unequal: No Solution No 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: 50:[71, 1], Operations: ['20/2=10', '10-9=1'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,50 unequal: No Solution Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 28, 10, 79, 6 ]
28
[ "10*79=790", "790-6=784", "784/28=28" ]
Current State: 28:[28, 10, 79, 6], Operations: [] Exploring Operation: 10*79=790, Resulting Numbers: [28, 6, 790] Generated Node #2: [28, 6, 790] from Operation: 10*79=790 Current State: 28:[28, 6, 790], Operations: ['10*79=790'] Exploring Operation: 790-6=784, Resulting Numbers: [28, 784] Generated Node #3: [28, 784] from Operation: 790-6=784 Current State: 28:[28, 784], Operations: ['10*79=790', '790-6=784'] Exploring Operation: 784/28=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[28, 10, 79, 6], Operations: [] Exploring Operation: 79-28=51, Resulting Numbers: [10, 6, 51] Generated Node #0,0: 28:[10, 6, 51] Operation: 79-28=51 Moving to Node #0,0 Current State: 28:[10, 6, 51], Operations: ['79-28=51'] Exploring Operation: 51-10=41, Resulting Numbers: [6, 41] Generated Node #0,0,0: 28:[6, 41] Operation: 51-10=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[6, 41], Operations: ['79-28=51', '51-10=41'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 17, 23, 47, 51 ]
27
[ "51/17=3", "47-23=24", "3+24=27" ]
Current State: 27:[17, 23, 47, 51], Operations: [] Exploring Operation: 51/17=3, Resulting Numbers: [23, 47, 3] Generated Node #2: [23, 47, 3] from Operation: 51/17=3 Current State: 27:[23, 47, 3], Operations: ['51/17=3'] Exploring Operation: 47-23=24, Resulting Numbers: [3, 24] Generated Node #3: [3, 24] from Operation: 47-23=24 Current State: 27:[3, 24], Operations: ['51/17=3', '47-23=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[17, 23, 47, 51], Operations: [] Exploring Operation: 51-47=4, Resulting Numbers: [17, 23, 4] Generated Node #0,0: 27:[17, 23, 4] Operation: 51-47=4 Exploring Operation: 51-23=28, Resulting Numbers: [17, 47, 28] Generated Node #0,1: 27:[17, 47, 28] Operation: 51-23=28 Exploring Operation: 51/17=3, Resulting Numbers: [23, 47, 3] Generated Node #0,2: 27:[23, 47, 3] Operation: 51/17=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[17, 23, 4], Operations: ['51-47=4'] Exploring Operation: 23+4=27, Resulting Numbers: [17, 27] Generated Node #0,0,0: 27:[17, 27] Operation: 23+4=27 Exploring Operation: 23-17=6, Resulting Numbers: [4, 6] Generated Node #0,0,1: 27:[4, 6] Operation: 23-17=6 Exploring Operation: 17-4=13, Resulting Numbers: [23, 13] Generated Node #0,0,2: 27:[23, 13] Operation: 17-4=13 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[4, 6], Operations: ['51-47=4', '23-17=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,27 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[17, 27], Operations: ['51-47=4', '23+4=27'] Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,27 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[23, 13], Operations: ['51-47=4', '17-4=13'] Exploring Operation: 23*13=299, Resulting Numbers: [299] 299,27 unequal: No Solution Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 23+13=36, Resulting Numbers: [36] 36,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[23, 47, 3], Operations: ['51/17=3'] Exploring Operation: 47-23=24, Resulting Numbers: [3, 24] Generated Node #0,2,0: 27:[3, 24] Operation: 47-23=24 Exploring Operation: 47-3=44, Resulting Numbers: [23, 44] Generated Node #0,2,1: 27:[23, 44] Operation: 47-3=44 Exploring Operation: 23+3=26, Resulting Numbers: [47, 26] Generated Node #0,2,2: 27:[47, 26] Operation: 23+3=26 Moving to Node #0,2,0 Current State: 27:[3, 24], Operations: ['51/17=3', '47-23=24'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[17, 23, 47, 51], Operations: [] Exploring Operation: 51/17=3, Resulting Numbers: [23, 47, 3] Generated Node #0,2: 27:[23, 47, 3] Operation: 51/17=3 Moving to Node #0,2 Current State: 27:[23, 47, 3], Operations: ['51/17=3'] Exploring Operation: 47-23=24, Resulting Numbers: [3, 24] Generated Node #0,2,0: 27:[3, 24] Operation: 47-23=24 Moving to Node #0,2,0 Current State: 27:[3, 24], Operations: ['51/17=3', '47-23=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 53, 29, 49, 3 ]
41
[ "53-29=24", "24/3=8", "49-8=41" ]
Current State: 41:[53, 29, 49, 3], Operations: [] Exploring Operation: 53-29=24, Resulting Numbers: [49, 3, 24] Generated Node #2: [49, 3, 24] from Operation: 53-29=24 Current State: 41:[49, 3, 24], Operations: ['53-29=24'] Exploring Operation: 24/3=8, Resulting Numbers: [49, 8] Generated Node #3: [49, 8] from Operation: 24/3=8 Current State: 41:[49, 8], Operations: ['53-29=24', '24/3=8'] Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[53, 29, 49, 3], Operations: [] Exploring Operation: 53-3=50, Resulting Numbers: [29, 49, 50] Generated Node #0,0: 41:[29, 49, 50] Operation: 53-3=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[29, 49, 50], Operations: ['53-3=50'] Exploring Operation: 50-29=21, Resulting Numbers: [49, 21] Generated Node #0,0,0: 41:[49, 21] Operation: 50-29=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[49, 21], Operations: ['53-3=50', '50-29=21'] Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,41 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
[ 20, 49, 20, 82 ]
34
[ "20/20=1", "82-49=33", "1+33=34" ]
Current State: 34:[20, 49, 20, 82], Operations: [] Exploring Operation: 20/20=1, Resulting Numbers: [49, 82, 1] Generated Node #2: [49, 82, 1] from Operation: 20/20=1 Current State: 34:[49, 82, 1], Operations: ['20/20=1'] Exploring Operation: 82-49=33, Resulting Numbers: [1, 33] Generated Node #3: [1, 33] from Operation: 82-49=33 Current State: 34:[1, 33], Operations: ['20/20=1', '82-49=33'] Exploring Operation: 1+33=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[20, 49, 20, 82], Operations: [] Exploring Operation: 82-49=33, Resulting Numbers: [20, 20, 33] Generated Node #0,0: 34:[20, 20, 33] Operation: 82-49=33 Moving to Node #0,0 Current State: 34:[20, 20, 33], Operations: ['82-49=33'] Exploring Operation: 20/20=1, Resulting Numbers: [33, 1] Generated Node #0,0,0: 34:[33, 1] Operation: 20/20=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[33, 1], Operations: ['82-49=33', '20/20=1'] Exploring Operation: 33+1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[20, 49, 20, 82], Operations: [] Exploring Operation: 82-49=33, Resulting Numbers: [20, 20, 33] Generated Node #0,0: 34:[20, 20, 33] Operation: 82-49=33 Moving to Node #0,0 Current State: 34:[20, 20, 33], Operations: ['82-49=33'] Exploring Operation: 20/20=1, Resulting Numbers: [33, 1] Generated Node #0,0,0: 34:[33, 1] Operation: 20/20=1 Moving to Node #0,0,0 Current State: 34:[33, 1], Operations: ['82-49=33', '20/20=1'] Exploring Operation: 33+1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 63, 94, 63, 63 ]
96
[ "63+63=126", "126/63=2", "94+2=96" ]
Current State: 96:[63, 94, 63, 63], Operations: [] Exploring Operation: 63+63=126, Resulting Numbers: [94, 126] Generated Node #2: [94, 126] from Operation: 63+63=126 Current State: 96:[94, 126], Operations: ['63+63=126'] Exploring Operation: 126/63=2, Resulting Numbers: [94, 2] Generated Node #3: [94, 2] from Operation: 126/63=2 Current State: 96:[94, 2], Operations: ['63+63=126', '126/63=2'] Exploring Operation: 94+2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[63, 94, 63, 63], Operations: [] Exploring Operation: 63/63=1, Resulting Numbers: [94, 63, 1] Generated Node #0,0: 96:[94, 63, 1] Operation: 63/63=1 Exploring Operation: 63-63=0, Resulting Numbers: [94, 63, 0] Generated Node #0,1: 96:[94, 63, 0] Operation: 63-63=0 Exploring Operation: 63/63=1, Resulting Numbers: [63, 94, 1] Generated Node #0,2: 96:[63, 94, 1] Operation: 63/63=1 Exploring Operation: 63/63=1, Resulting Numbers: [94, 63, 1] Generated Node #0,3: 96:[94, 63, 1] Operation: 63/63=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[94, 63, 1], Operations: ['63/63=1'] Exploring Operation: 63-1=62, Resulting Numbers: [94, 62] Generated Node #0,0,0: 96:[94, 62] Operation: 63-1=62 Exploring Operation: 94+1=95, Resulting Numbers: [63, 95] Generated Node #0,0,1: 96:[63, 95] Operation: 94+1=95 Exploring Operation: 94*1=94, Resulting Numbers: [63, 94] Generated Node #0,0,2: 96:[63, 94] Operation: 94*1=94 Exploring Operation: 94-63=31, Resulting Numbers: [1, 31] Generated Node #0,0,3: 96:[1, 31] Operation: 94-63=31 Moving to Node #0,0,3 Current State: 96:[1, 31], Operations: ['63/63=1', '94-63=31'] Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 1*31=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[63, 95], Operations: ['63/63=1', '94+1=95'] Exploring Operation: 63*95=5985, Resulting Numbers: [5985] 5985,96 unequal: No Solution Exploring Operation: 63+95=158, Resulting Numbers: [158] 158,96 unequal: No Solution Exploring Operation: 95-63=32, Resulting Numbers: [32] 32,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[94, 62], Operations: ['63/63=1', '63-1=62'] Exploring Operation: 94*62=5828, Resulting Numbers: [5828] 5828,96 unequal: No Solution Exploring Operation: 94-62=32, Resulting Numbers: [32] 32,96 unequal: No Solution Exploring Operation: 94+62=156, Resulting Numbers: [156] 156,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[63, 94], Operations: ['63/63=1', '94*1=94'] Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,96 unequal: No Solution Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[63, 94, 1], Operations: ['63/63=1'] Exploring Operation: 94+1=95, Resulting Numbers: [63, 95] Generated Node #0,2,0: 96:[63, 95] Operation: 94+1=95 Exploring Operation: 63*1=63, Resulting Numbers: [94, 63] Generated Node #0,2,1: 96:[94, 63] Operation: 63*1=63 Exploring Operation: 63-1=62, Resulting Numbers: [94, 62] Generated Node #0,2,2: 96:[94, 62] Operation: 63-1=62 Exploring Operation: 94-63=31, Resulting Numbers: [1, 31] Generated Node #0,2,3: 96:[1, 31] Operation: 94-63=31 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 96:[1, 31], Operations: ['63/63=1', '94-63=31'] Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,96 unequal: No Solution Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 1*31=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 96:[63, 95], Operations: ['63/63=1', '94+1=95'] Exploring Operation: 63+95=158, Resulting Numbers: [158] 158,96 unequal: No Solution Exploring Operation: 63*95=5985, Resulting Numbers: [5985] 5985,96 unequal: No Solution Exploring Operation: 95-63=32, Resulting Numbers: [32] 32,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 96:[94, 62], Operations: ['63/63=1', '63-1=62'] Exploring Operation: 94*62=5828, Resulting Numbers: [5828] 5828,96 unequal: No Solution Exploring Operation: 94+62=156, Resulting Numbers: [156] 156,96 unequal: No Solution Exploring Operation: 94-62=32, Resulting Numbers: [32] 32,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 96:[94, 63], Operations: ['63/63=1', '63*1=63'] Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 94+63=157, Resulting Numbers: [157] 157,96 unequal: No Solution Exploring Operation: 94*63=5922, Resulting Numbers: [5922] 5922,96 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: 96:[94, 63, 1], Operations: ['63/63=1'] Exploring Operation: 63-1=62, Resulting Numbers: [94, 62] Generated Node #0,3,0: 96:[94, 62] Operation: 63-1=62 Exploring Operation: 94*1=94, Resulting Numbers: [63, 94] Generated Node #0,3,1: 96:[63, 94] Operation: 94*1=94 Exploring Operation: 94+1=95, Resulting Numbers: [63, 95] Generated Node #0,3,2: 96:[63, 95] Operation: 94+1=95 Exploring Operation: 94-63=31, Resulting Numbers: [1, 31] Generated Node #0,3,3: 96:[1, 31] Operation: 94-63=31 Moving to Node #0,3,3 Current State: 96:[1, 31], Operations: ['63/63=1', '94-63=31'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,96 unequal: No Solution Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 1*31=31, Resulting Numbers: [31] 31,96 unequal: No Solution Moving to Node #0,3,2 Current State: 96:[63, 95], Operations: ['63/63=1', '94+1=95'] Exploring Operation: 63+95=158, Resulting Numbers: [158] 158,96 unequal: No Solution Exploring Operation: 95-63=32, Resulting Numbers: [32] 32,96 unequal: No Solution Exploring Operation: 63*95=5985, Resulting Numbers: [5985] 5985,96 unequal: No Solution Moving to Node #0,3,0 Current State: 96:[94, 62], Operations: ['63/63=1', '63-1=62'] Exploring Operation: 94*62=5828, Resulting Numbers: [5828] 5828,96 unequal: No Solution Exploring Operation: 94+62=156, Resulting Numbers: [156] 156,96 unequal: No Solution Exploring Operation: 94-62=32, Resulting Numbers: [32] 32,96 unequal: No Solution Moving to Node #0,3,1 Current State: 96:[63, 94], Operations: ['63/63=1', '94*1=94'] Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,96 unequal: No Solution Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[94, 63, 0], Operations: ['63-63=0'] Exploring Operation: 63*0=0, Resulting Numbers: [94, 0] Generated Node #0,1,0: 96:[94, 0] Operation: 63*0=0 Exploring Operation: 94*0=0, Resulting Numbers: [63, 0] Generated Node #0,1,1: 96:[63, 0] Operation: 94*0=0 Exploring Operation: 94-63=31, Resulting Numbers: [0, 31] Generated Node #0,1,2: 96:[0, 31] Operation: 94-63=31 Exploring Operation: 94+0=94, Resulting Numbers: [63, 94] Generated Node #0,1,3: 96:[63, 94] Operation: 94+0=94 Moving to Node #0,1,2 Current State: 96:[0, 31], Operations: ['63-63=0', '94-63=31'] Exploring Operation: 0+31=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 0*31=0, Resulting Numbers: [0] 0,96 unequal: No Solution Exploring Operation: 31-0=31, Resulting Numbers: [31] 31,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[94, 0], Operations: ['63-63=0', '63*0=0'] Exploring Operation: 94-0=94, Resulting Numbers: [94] 94,96 unequal: No Solution Exploring Operation: 94+0=94, Resulting Numbers: [94] 94,96 unequal: No Solution Exploring Operation: 94*0=0, Resulting Numbers: [0] 0,96 unequal: No Solution Moving to Node #0,1,3 Current State: 96:[63, 94], Operations: ['63-63=0', '94+0=94'] Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,96 unequal: No Solution Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[63, 0], Operations: ['63-63=0', '94*0=0'] Exploring Operation: 63-0=63, Resulting Numbers: [63] 63,96 unequal: No Solution Exploring Operation: 63*0=0, Resulting Numbers: [0] 0,96 unequal: No Solution Exploring Operation: 63+0=63, Resulting Numbers: [63] 63,96 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
[ 85, 29, 88, 2 ]
33
[ "88-29=59", "2*59=118", "118-85=33" ]
Current State: 33:[85, 29, 88, 2], Operations: [] Exploring Operation: 88-29=59, Resulting Numbers: [85, 2, 59] Generated Node #2: [85, 2, 59] from Operation: 88-29=59 Current State: 33:[85, 2, 59], Operations: ['88-29=59'] Exploring Operation: 2*59=118, Resulting Numbers: [85, 118] Generated Node #3: [85, 118] from Operation: 2*59=118 Current State: 33:[85, 118], Operations: ['88-29=59', '2*59=118'] Exploring Operation: 118-85=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[85, 29, 88, 2], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [29, 2, 3] Generated Node #0,0: 33:[29, 2, 3] Operation: 88-85=3 Exploring Operation: 88-29=59, Resulting Numbers: [85, 2, 59] Generated Node #0,1: 33:[85, 2, 59] Operation: 88-29=59 Exploring Operation: 88/2=44, Resulting Numbers: [85, 29, 44] Generated Node #0,2: 33:[85, 29, 44] Operation: 88/2=44 Exploring Operation: 85-29=56, Resulting Numbers: [88, 2, 56] Generated Node #0,3: 33:[88, 2, 56] Operation: 85-29=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[29, 2, 3], Operations: ['88-85=3'] Exploring Operation: 2+3=5, Resulting Numbers: [29, 5] Generated Node #0,0,0: 33:[29, 5] Operation: 2+3=5 Exploring Operation: 29-2=27, Resulting Numbers: [3, 27] Generated Node #0,0,1: 33:[3, 27] Operation: 29-2=27 Exploring Operation: 29+2=31, Resulting Numbers: [3, 31] Generated Node #0,0,2: 33:[3, 31] Operation: 29+2=31 Exploring Operation: 29+3=32, Resulting Numbers: [2, 32] Generated Node #0,0,3: 33:[2, 32] Operation: 29+3=32 Moving to Node #0,0,2 Current State: 33:[3, 31], Operations: ['88-85=3', '29+2=31'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,33 unequal: No Solution 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 Moving to Node #0,0,3 Current State: 33:[2, 32], Operations: ['88-85=3', '29+3=32'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[3, 27], Operations: ['88-85=3', '29-2=27'] Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,33 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[29, 5], Operations: ['88-85=3', '2+3=5'] Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,33 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,33 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 #0,2 Current State: 33:[85, 29, 44], Operations: ['88/2=44'] Exploring Operation: 85-44=41, Resulting Numbers: [29, 41] Generated Node #0,2,0: 33:[29, 41] Operation: 85-44=41 Exploring Operation: 44-29=15, Resulting Numbers: [85, 15] Generated Node #0,2,1: 33:[85, 15] Operation: 44-29=15 Exploring Operation: 85+29=114, Resulting Numbers: [44, 114] Generated Node #0,2,2: 33:[44, 114] Operation: 85+29=114 Exploring Operation: 85-29=56, Resulting Numbers: [44, 56] Generated Node #0,2,3: 33:[44, 56] Operation: 85-29=56 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 33:[29, 41], Operations: ['88/2=44', '85-44=41'] Exploring Operation: 29*41=1189, Resulting Numbers: [1189] 1189,33 unequal: No Solution Exploring Operation: 29+41=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 33:[44, 56], Operations: ['88/2=44', '85-29=56'] Exploring Operation: 44*56=2464, Resulting Numbers: [2464] 2464,33 unequal: No Solution Exploring Operation: 44+56=100, Resulting Numbers: [100] 100,33 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 33:[85, 15], Operations: ['88/2=44', '44-29=15'] Exploring Operation: 85+15=100, Resulting Numbers: [100] 100,33 unequal: No Solution Exploring Operation: 85-15=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 85*15=1275, Resulting Numbers: [1275] 1275,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 33:[44, 114], Operations: ['88/2=44', '85+29=114'] Exploring Operation: 44*114=5016, Resulting Numbers: [5016] 5016,33 unequal: No Solution Exploring Operation: 114-44=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 44+114=158, Resulting Numbers: [158] 158,33 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 #0,1 Current State: 33:[85, 2, 59], Operations: ['88-29=59'] Exploring Operation: 59-2=57, Resulting Numbers: [85, 57] Generated Node #0,1,0: 33:[85, 57] Operation: 59-2=57 Exploring Operation: 85-2=83, Resulting Numbers: [59, 83] Generated Node #0,1,1: 33:[59, 83] Operation: 85-2=83 Exploring Operation: 85-59=26, Resulting Numbers: [2, 26] Generated Node #0,1,2: 33:[2, 26] Operation: 85-59=26 Exploring Operation: 85+2=87, Resulting Numbers: [59, 87] Generated Node #0,1,3: 33:[59, 87] Operation: 85+2=87 Moving to Node #0,1,2 Current State: 33:[2, 26], Operations: ['88-29=59', '85-59=26'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,33 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[59, 83], Operations: ['88-29=59', '85-2=83'] Exploring Operation: 59+83=142, Resulting Numbers: [142] 142,33 unequal: No Solution Exploring Operation: 59*83=4897, Resulting Numbers: [4897] 4897,33 unequal: No Solution Exploring Operation: 83-59=24, Resulting Numbers: [24] 24,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[85, 57], Operations: ['88-29=59', '59-2=57'] Exploring Operation: 85*57=4845, Resulting Numbers: [4845] 4845,33 unequal: No Solution Exploring Operation: 85+57=142, Resulting Numbers: [142] 142,33 unequal: No Solution Exploring Operation: 85-57=28, Resulting Numbers: [28] 28,33 unequal: No Solution Moving to Node #0,1,3 Current State: 33:[59, 87], Operations: ['88-29=59', '85+2=87'] Exploring Operation: 59+87=146, Resulting Numbers: [146] 146,33 unequal: No Solution Exploring Operation: 59*87=5133, Resulting Numbers: [5133] 5133,33 unequal: No Solution Exploring Operation: 87-59=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 #0,3 Current State: 33:[88, 2, 56], Operations: ['85-29=56'] Exploring Operation: 56/2=28, Resulting Numbers: [88, 28] Generated Node #0,3,0: 33:[88, 28] Operation: 56/2=28 Exploring Operation: 88-2=86, Resulting Numbers: [56, 86] Generated Node #0,3,1: 33:[56, 86] Operation: 88-2=86 Exploring Operation: 88-56=32, Resulting Numbers: [2, 32] Generated Node #0,3,2: 33:[2, 32] Operation: 88-56=32 Exploring Operation: 88/2=44, Resulting Numbers: [56, 44] Generated Node #0,3,3: 33:[56, 44] Operation: 88/2=44 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 33:[2, 32], Operations: ['85-29=56', '88-56=32'] Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,33 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:[56, 44], Operations: ['85-29=56', '88/2=44'] Exploring Operation: 56+44=100, Resulting Numbers: [100] 100,33 unequal: No Solution Exploring Operation: 56*44=2464, Resulting Numbers: [2464] 2464,33 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,33 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 #0,3,0 Current State: 33:[88, 28], Operations: ['85-29=56', '56/2=28'] Exploring Operation: 88-28=60, Resulting Numbers: [60] 60,33 unequal: No Solution Exploring Operation: 88*28=2464, Resulting Numbers: [2464] 2464,33 unequal: No Solution Exploring Operation: 88+28=116, Resulting Numbers: [116] 116,33 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:[56, 86], Operations: ['85-29=56', '88-2=86'] Exploring Operation: 56*86=4816, Resulting Numbers: [4816] 4816,33 unequal: No Solution Exploring Operation: 56+86=142, Resulting Numbers: [142] 142,33 unequal: No Solution Exploring Operation: 86-56=30, Resulting Numbers: [30] 30,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 58, 56, 9, 11 ]
40
[ "58-56=2", "9+11=20", "2*20=40" ]
Current State: 40:[58, 56, 9, 11], Operations: [] Exploring Operation: 58-56=2, Resulting Numbers: [9, 11, 2] Generated Node #2: [9, 11, 2] from Operation: 58-56=2 Current State: 40:[9, 11, 2], Operations: ['58-56=2'] Exploring Operation: 9+11=20, Resulting Numbers: [2, 20] Generated Node #3: [2, 20] from Operation: 9+11=20 Current State: 40:[2, 20], Operations: ['58-56=2', '9+11=20'] Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[58, 56, 9, 11], Operations: [] Exploring Operation: 58-56=2, Resulting Numbers: [9, 11, 2] Generated Node #0,0: 40:[9, 11, 2] Operation: 58-56=2 Exploring Operation: 56-11=45, Resulting Numbers: [58, 9, 45] Generated Node #0,1: 40:[58, 9, 45] Operation: 56-11=45 Exploring Operation: 58-11=47, Resulting Numbers: [56, 9, 47] Generated Node #0,2: 40:[56, 9, 47] Operation: 58-11=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[9, 11, 2], Operations: ['58-56=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11, 11] Generated Node #0,0,0: 40:[11, 11] Operation: 9+2=11 Exploring Operation: 11-9=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 40:[2, 2] Operation: 11-9=2 Exploring Operation: 9+11=20, Resulting Numbers: [2, 20] Generated Node #0,0,2: 40:[2, 20] Operation: 9+11=20 Moving to Node #0,0,1 Current State: 40:[2, 2], Operations: ['58-56=2', '11-9=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,40 unequal: No Solution Moving to Node #0,0,2 Current State: 40:[2, 20], Operations: ['58-56=2', '9+11=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,40 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[58, 56, 9, 11], Operations: [] Exploring Operation: 58-56=2, Resulting Numbers: [9, 11, 2] Generated Node #0,0: 40:[9, 11, 2] Operation: 58-56=2 Moving to Node #0,0 Current State: 40:[9, 11, 2], Operations: ['58-56=2'] Exploring Operation: 9+11=20, Resulting Numbers: [2, 20] Generated Node #0,0,2: 40:[2, 20] Operation: 9+11=20 Moving to Node #0,0,2 Current State: 40:[2, 20], Operations: ['58-56=2', '9+11=20'] Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 11, 3, 84, 39 ]
31
[ "11+3=14", "84-39=45", "45-14=31" ]
Current State: 31:[11, 3, 84, 39], Operations: [] Exploring Operation: 11+3=14, Resulting Numbers: [84, 39, 14] Generated Node #2: [84, 39, 14] from Operation: 11+3=14 Current State: 31:[84, 39, 14], Operations: ['11+3=14'] Exploring Operation: 84-39=45, Resulting Numbers: [14, 45] Generated Node #3: [14, 45] from Operation: 84-39=45 Current State: 31:[14, 45], Operations: ['11+3=14', '84-39=45'] Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[11, 3, 84, 39], Operations: [] Exploring Operation: 84-39=45, Resulting Numbers: [11, 3, 45] Generated Node #0,0: 31:[11, 3, 45] Operation: 84-39=45 Exploring Operation: 84/3=28, Resulting Numbers: [11, 39, 28] Generated Node #0,1: 31:[11, 39, 28] Operation: 84/3=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[11, 39, 28], Operations: ['84/3=28'] Exploring Operation: 11+28=39, Resulting Numbers: [39, 39] Generated Node #0,1,0: 31:[39, 39] Operation: 11+28=39 Exploring Operation: 39-11=28, Resulting Numbers: [28, 28] Generated Node #0,1,1: 31:[28, 28] Operation: 39-11=28 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 31:[28, 28], Operations: ['84/3=28', '39-11=28'] Exploring Operation: 28/28=1, Resulting Numbers: [1] 1,31 unequal: No Solution Exploring Operation: 28+28=56, Resulting Numbers: [56] 56,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[39, 39], Operations: ['84/3=28', '11+28=39'] Exploring Operation: 39-39=0, Resulting Numbers: [0] 0,31 unequal: No Solution Exploring Operation: 39/39=1, Resulting Numbers: [1] 1,31 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: 31:[11, 3, 45], Operations: ['84-39=45'] Exploring Operation: 11+3=14, Resulting Numbers: [45, 14] Generated Node #0,0,0: 31:[45, 14] Operation: 11+3=14 Exploring Operation: 11*3=33, Resulting Numbers: [45, 33] Generated Node #0,0,1: 31:[45, 33] Operation: 11*3=33 Moving to Node #0,0,1 Current State: 31:[45, 33], Operations: ['84-39=45', '11*3=33'] Exploring Operation: 45+33=78, Resulting Numbers: [78] 78,31 unequal: No Solution Exploring Operation: 45-33=12, Resulting Numbers: [12] 12,31 unequal: No Solution Moving to Node #0,0,0 Current State: 31:[45, 14], Operations: ['84-39=45', '11+3=14'] Exploring Operation: 45+14=59, Resulting Numbers: [59] 59,31 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[11, 3, 84, 39], Operations: [] Exploring Operation: 84-39=45, Resulting Numbers: [11, 3, 45] Generated Node #0,0: 31:[11, 3, 45] Operation: 84-39=45 Moving to Node #0,0 Current State: 31:[11, 3, 45], Operations: ['84-39=45'] Exploring Operation: 11+3=14, Resulting Numbers: [45, 14] Generated Node #0,0,0: 31:[45, 14] Operation: 11+3=14 Moving to Node #0,0,0 Current State: 31:[45, 14], Operations: ['84-39=45', '11+3=14'] Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 36, 66, 54, 48 ]
40
[ "66-54=12", "48/12=4", "36+4=40" ]
Current State: 40:[36, 66, 54, 48], Operations: [] Exploring Operation: 66-54=12, Resulting Numbers: [36, 48, 12] Generated Node #2: [36, 48, 12] from Operation: 66-54=12 Current State: 40:[36, 48, 12], Operations: ['66-54=12'] Exploring Operation: 48/12=4, Resulting Numbers: [36, 4] Generated Node #3: [36, 4] from Operation: 48/12=4 Current State: 40:[36, 4], Operations: ['66-54=12', '48/12=4'] Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[36, 66, 54, 48], Operations: [] Exploring Operation: 66-54=12, Resulting Numbers: [36, 48, 12] Generated Node #0,0: 40:[36, 48, 12] Operation: 66-54=12 Exploring Operation: 66-48=18, Resulting Numbers: [36, 54, 18] Generated Node #0,1: 40:[36, 54, 18] Operation: 66-48=18 Moving to Node #0,0 Current State: 40:[36, 48, 12], Operations: ['66-54=12'] Exploring Operation: 48-36=12, Resulting Numbers: [12, 12] Generated Node #0,0,0: 40:[12, 12] Operation: 48-36=12 Exploring Operation: 48/12=4, Resulting Numbers: [36, 4] Generated Node #0,0,1: 40:[36, 4] Operation: 48/12=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[12, 12], Operations: ['66-54=12', '48-36=12'] Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,40 unequal: No Solution Exploring Operation: 12-12=0, Resulting Numbers: [0] 0,40 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 #0,0,1 Current State: 40:[36, 4], Operations: ['66-54=12', '48/12=4'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[36, 66, 54, 48], Operations: [] Exploring Operation: 66-54=12, Resulting Numbers: [36, 48, 12] Generated Node #0,0: 40:[36, 48, 12] Operation: 66-54=12 Moving to Node #0,0 Current State: 40:[36, 48, 12], Operations: ['66-54=12'] Exploring Operation: 48/12=4, Resulting Numbers: [36, 4] Generated Node #0,0,1: 40:[36, 4] Operation: 48/12=4 Moving to Node #0,0,1 Current State: 40:[36, 4], Operations: ['66-54=12', '48/12=4'] Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 31, 4, 62, 31 ]
70
[ "31+4=35", "62/31=2", "35*2=70" ]
Current State: 70:[31, 4, 62, 31], Operations: [] Exploring Operation: 31+4=35, Resulting Numbers: [62, 35] Generated Node #2: [62, 35] from Operation: 31+4=35 Current State: 70:[62, 35], Operations: ['31+4=35'] Exploring Operation: 62/31=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 62/31=2 Current State: 70:[35, 2], Operations: ['31+4=35', '62/31=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[31, 4, 62, 31], Operations: [] Exploring Operation: 62-31=31, Resulting Numbers: [4, 31, 31] Generated Node #0,0: 70:[4, 31, 31] Operation: 62-31=31 Exploring Operation: 62/31=2, Resulting Numbers: [4, 31, 2] Generated Node #0,1: 70:[4, 31, 2] Operation: 62/31=2 Exploring Operation: 62/31=2, Resulting Numbers: [31, 4, 2] Generated Node #0,2: 70:[31, 4, 2] Operation: 62/31=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[4, 31, 2], Operations: ['62/31=2'] Exploring Operation: 4+31=35, Resulting Numbers: [2, 35] Generated Node #0,1,0: 70:[2, 35] Operation: 4+31=35 Exploring Operation: 4-2=2, Resulting Numbers: [31, 2] Generated Node #0,1,1: 70:[31, 2] Operation: 4-2=2 Exploring Operation: 31+2=33, Resulting Numbers: [4, 33] Generated Node #0,1,2: 70:[4, 33] Operation: 31+2=33 Moving to Node #0,1,0 Current State: 70:[2, 35], Operations: ['62/31=2', '4+31=35'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,70 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[31, 4, 62, 31], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [4, 31, 2] Generated Node #0,1: 70:[4, 31, 2] Operation: 62/31=2 Moving to Node #0,1 Current State: 70:[4, 31, 2], Operations: ['62/31=2'] Exploring Operation: 4+31=35, Resulting Numbers: [2, 35] Generated Node #0,1,0: 70:[2, 35] Operation: 4+31=35 Moving to Node #0,1,0 Current State: 70:[2, 35], Operations: ['62/31=2', '4+31=35'] Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 88, 50, 18, 28 ]
77
[ "88*28=2464", "50-18=32", "2464/32=77" ]
Current State: 77:[88, 50, 18, 28], Operations: [] Exploring Operation: 88*28=2464, Resulting Numbers: [50, 18, 2464] Generated Node #2: [50, 18, 2464] from Operation: 88*28=2464 Current State: 77:[50, 18, 2464], Operations: ['88*28=2464'] Exploring Operation: 50-18=32, Resulting Numbers: [2464, 32] Generated Node #3: [2464, 32] from Operation: 50-18=32 Current State: 77:[2464, 32], Operations: ['88*28=2464', '50-18=32'] Exploring Operation: 2464/32=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[88, 50, 18, 28], Operations: [] Exploring Operation: 28-18=10, Resulting Numbers: [88, 50, 10] Generated Node #0,0: 77:[88, 50, 10] Operation: 28-18=10 Exploring Operation: 50-28=22, Resulting Numbers: [88, 18, 22] Generated Node #0,1: 77:[88, 18, 22] Operation: 50-28=22 Exploring Operation: 50+18=68, Resulting Numbers: [88, 28, 68] Generated Node #0,2: 77:[88, 28, 68] Operation: 50+18=68 Exploring Operation: 50+28=78, Resulting Numbers: [88, 18, 78] Generated Node #0,3: 77:[88, 18, 78] Operation: 50+28=78 Start Sub Search at level 1: Moving to Node #0,3 Current State: 77:[88, 18, 78], Operations: ['50+28=78'] Exploring Operation: 88-78=10, Resulting Numbers: [18, 10] Generated Node #0,3,0: 77:[18, 10] Operation: 88-78=10 Exploring Operation: 88+18=106, Resulting Numbers: [78, 106] Generated Node #0,3,1: 77:[78, 106] Operation: 88+18=106 Exploring Operation: 88-18=70, Resulting Numbers: [78, 70] Generated Node #0,3,2: 77:[78, 70] Operation: 88-18=70 Exploring Operation: 78-18=60, Resulting Numbers: [88, 60] Generated Node #0,3,3: 77:[88, 60] Operation: 78-18=60 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 77:[18, 10], Operations: ['50+28=78', '88-78=10'] Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 18*10=180, Resulting Numbers: [180] 180,77 unequal: No Solution No 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: 77:[78, 70], Operations: ['50+28=78', '88-18=70'] Exploring Operation: 78-70=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 78*70=5460, Resulting Numbers: [5460] 5460,77 unequal: No Solution Exploring Operation: 78+70=148, Resulting Numbers: [148] 148,77 unequal: No Solution No 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: 77:[88, 60], Operations: ['50+28=78', '78-18=60'] Exploring Operation: 88*60=5280, Resulting Numbers: [5280] 5280,77 unequal: No Solution Exploring Operation: 88-60=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 88+60=148, Resulting Numbers: [148] 148,77 unequal: No Solution No 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: 77:[78, 106], Operations: ['50+28=78', '88+18=106'] Exploring Operation: 78+106=184, Resulting Numbers: [184] 184,77 unequal: No Solution Exploring Operation: 106-78=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 78*106=8268, Resulting Numbers: [8268] 8268,77 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: 77:[88, 18, 22], Operations: ['50-28=22'] Exploring Operation: 88/22=4, Resulting Numbers: [18, 4] Generated Node #0,1,0: 77:[18, 4] Operation: 88/22=4 Exploring Operation: 88-22=66, Resulting Numbers: [18, 66] Generated Node #0,1,1: 77:[18, 66] Operation: 88-22=66 Exploring Operation: 88-18=70, Resulting Numbers: [22, 70] Generated Node #0,1,2: 77:[22, 70] Operation: 88-18=70 Exploring Operation: 22-18=4, Resulting Numbers: [88, 4] Generated Node #0,1,3: 77:[88, 4] Operation: 22-18=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 77:[18, 4], Operations: ['50-28=22', '88/22=4'] Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,77 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,77 unequal: No Solution No 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: 77:[88, 4], Operations: ['50-28=22', '22-18=4'] Exploring Operation: 88+4=92, Resulting Numbers: [92] 92,77 unequal: No Solution Exploring Operation: 88*4=352, Resulting Numbers: [352] 352,77 unequal: No Solution Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,77 unequal: No Solution Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,77 unequal: No Solution No 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: 77:[18, 66], Operations: ['50-28=22', '88-22=66'] Exploring Operation: 18*66=1188, Resulting Numbers: [1188] 1188,77 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,77 unequal: No Solution Exploring Operation: 18+66=84, Resulting Numbers: [84] 84,77 unequal: No Solution No 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: 77:[22, 70], Operations: ['50-28=22', '88-18=70'] Exploring Operation: 22*70=1540, Resulting Numbers: [1540] 1540,77 unequal: No Solution Exploring Operation: 22+70=92, Resulting Numbers: [92] 92,77 unequal: No Solution Exploring Operation: 70-22=48, Resulting Numbers: [48] 48,77 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: 77:[88, 28, 68], Operations: ['50+18=68'] Exploring Operation: 88-28=60, Resulting Numbers: [68, 60] Generated Node #0,2,0: 77:[68, 60] Operation: 88-28=60 Exploring Operation: 68-28=40, Resulting Numbers: [88, 40] Generated Node #0,2,1: 77:[88, 40] Operation: 68-28=40 Exploring Operation: 88-68=20, Resulting Numbers: [28, 20] Generated Node #0,2,2: 77:[28, 20] Operation: 88-68=20 Exploring Operation: 28+68=96, Resulting Numbers: [88, 96] Generated Node #0,2,3: 77:[88, 96] Operation: 28+68=96 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 77:[68, 60], Operations: ['50+18=68', '88-28=60'] Exploring Operation: 68-60=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 68+60=128, Resulting Numbers: [128] 128,77 unequal: No Solution Exploring Operation: 68*60=4080, Resulting Numbers: [4080] 4080,77 unequal: No Solution No 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: 77:[28, 20], Operations: ['50+18=68', '88-68=20'] Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 28*20=560, Resulting Numbers: [560] 560,77 unequal: No Solution Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,77 unequal: No Solution No 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: 77:[88, 96], Operations: ['50+18=68', '28+68=96'] Exploring Operation: 88*96=8448, Resulting Numbers: [8448] 8448,77 unequal: No Solution Exploring Operation: 88+96=184, Resulting Numbers: [184] 184,77 unequal: No Solution Exploring Operation: 96-88=8, Resulting Numbers: [8] 8,77 unequal: No Solution No 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: 77:[88, 40], Operations: ['50+18=68', '68-28=40'] Exploring Operation: 88+40=128, Resulting Numbers: [128] 128,77 unequal: No Solution Exploring Operation: 88*40=3520, Resulting Numbers: [3520] 3520,77 unequal: No Solution Exploring Operation: 88-40=48, Resulting Numbers: [48] 48,77 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: 77:[88, 50, 10], Operations: ['28-18=10'] Exploring Operation: 88-10=78, Resulting Numbers: [50, 78] Generated Node #0,0,0: 77:[50, 78] Operation: 88-10=78 Exploring Operation: 50/10=5, Resulting Numbers: [88, 5] Generated Node #0,0,1: 77:[88, 5] Operation: 50/10=5 Exploring Operation: 50+10=60, Resulting Numbers: [88, 60] Generated Node #0,0,2: 77:[88, 60] Operation: 50+10=60 Exploring Operation: 88-50=38, Resulting Numbers: [10, 38] Generated Node #0,0,3: 77:[10, 38] Operation: 88-50=38 Moving to Node #0,0,1 Current State: 77:[88, 5], Operations: ['28-18=10', '50/10=5'] Exploring Operation: 88-5=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 88+5=93, Resulting Numbers: [93] 93,77 unequal: No Solution Exploring Operation: 88*5=440, Resulting Numbers: [440] 440,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[88, 60], Operations: ['28-18=10', '50+10=60'] Exploring Operation: 88*60=5280, Resulting Numbers: [5280] 5280,77 unequal: No Solution Exploring Operation: 88+60=148, Resulting Numbers: [148] 148,77 unequal: No Solution Exploring Operation: 88-60=28, Resulting Numbers: [28] 28,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[50, 78], Operations: ['28-18=10', '88-10=78'] Exploring Operation: 78-50=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 50*78=3900, Resulting Numbers: [3900] 3900,77 unequal: No Solution Exploring Operation: 50+78=128, Resulting Numbers: [128] 128,77 unequal: No Solution Moving to Node #0,0,3 Current State: 77:[10, 38], Operations: ['28-18=10', '88-50=38'] Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,77 unequal: No Solution Exploring Operation: 10*38=380, Resulting Numbers: [380] 380,77 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,77 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
[ 75, 25, 51, 6 ]
54
[ "75/25=3", "51+6=57", "57-3=54" ]
Current State: 54:[75, 25, 51, 6], Operations: [] Exploring Operation: 75/25=3, Resulting Numbers: [51, 6, 3] Generated Node #2: [51, 6, 3] from Operation: 75/25=3 Current State: 54:[51, 6, 3], Operations: ['75/25=3'] Exploring Operation: 51+6=57, Resulting Numbers: [3, 57] Generated Node #3: [3, 57] from Operation: 51+6=57 Current State: 54:[3, 57], Operations: ['75/25=3', '51+6=57'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[75, 25, 51, 6], Operations: [] Exploring Operation: 75-25=50, Resulting Numbers: [51, 6, 50] Generated Node #0,0: 54:[51, 6, 50] Operation: 75-25=50 Exploring Operation: 75-51=24, Resulting Numbers: [25, 6, 24] Generated Node #0,1: 54:[25, 6, 24] Operation: 75-51=24 Exploring Operation: 75-6=69, Resulting Numbers: [25, 51, 69] Generated Node #0,2: 54:[25, 51, 69] Operation: 75-6=69 Exploring Operation: 75/25=3, Resulting Numbers: [51, 6, 3] Generated Node #0,3: 54:[51, 6, 3] Operation: 75/25=3 Moving to Node #0,3 Current State: 54:[51, 6, 3], Operations: ['75/25=3'] Exploring Operation: 6+3=9, Resulting Numbers: [51, 9] Generated Node #0,3,0: 54:[51, 9] Operation: 6+3=9 Exploring Operation: 51+3=54, Resulting Numbers: [6, 54] Generated Node #0,3,1: 54:[6, 54] Operation: 51+3=54 Exploring Operation: 51+6=57, Resulting Numbers: [3, 57] Generated Node #0,3,2: 54:[3, 57] Operation: 51+6=57 Exploring Operation: 51/3=17, Resulting Numbers: [6, 17] Generated Node #0,3,3: 54:[6, 17] Operation: 51/3=17 Moving to Node #0,1 Current State: 54:[25, 6, 24], Operations: ['75-51=24'] Exploring Operation: 25-6=19, Resulting Numbers: [24, 19] Generated Node #0,1,0: 54:[24, 19] Operation: 25-6=19 Exploring Operation: 24-6=18, Resulting Numbers: [25, 18] Generated Node #0,1,1: 54:[25, 18] Operation: 24-6=18 Exploring Operation: 25-24=1, Resulting Numbers: [6, 1] Generated Node #0,1,2: 54:[6, 1] Operation: 25-24=1 Exploring Operation: 24/6=4, Resulting Numbers: [25, 4] Generated Node #0,1,3: 54:[25, 4] Operation: 24/6=4 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 54:[6, 1], Operations: ['75-51=24', '25-24=1'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,54 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:[25, 18], Operations: ['75-51=24', '24-6=18'] Exploring Operation: 25+18=43, Resulting Numbers: [43] 43,54 unequal: No Solution Exploring Operation: 25*18=450, Resulting Numbers: [450] 450,54 unequal: No Solution Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,54 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 #0,1,3 Current State: 54:[25, 4], Operations: ['75-51=24', '24/6=4'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,54 unequal: No Solution Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 54:[24, 19], Operations: ['75-51=24', '25-6=19'] Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 24+19=43, Resulting Numbers: [43] 43,54 unequal: No Solution Exploring Operation: 24*19=456, Resulting Numbers: [456] 456,54 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:[51, 6, 50], Operations: ['75-25=50'] Exploring Operation: 51-6=45, Resulting Numbers: [50, 45] Generated Node #0,0,0: 54:[50, 45] Operation: 51-6=45 Exploring Operation: 51+6=57, Resulting Numbers: [50, 57] Generated Node #0,0,1: 54:[50, 57] Operation: 51+6=57 Exploring Operation: 51-50=1, Resulting Numbers: [6, 1] Generated Node #0,0,2: 54:[6, 1] Operation: 51-50=1 Exploring Operation: 6+50=56, Resulting Numbers: [51, 56] Generated Node #0,0,3: 54:[51, 56] Operation: 6+50=56 Moving to Node #0,2 Current State: 54:[25, 51, 69], Operations: ['75-6=69'] Exploring Operation: 51-25=26, Resulting Numbers: [69, 26] Generated Node #0,2,0: 54:[69, 26] Operation: 51-25=26 Exploring Operation: 69-51=18, Resulting Numbers: [25, 18] Generated Node #0,2,1: 54:[25, 18] Operation: 69-51=18 Exploring Operation: 25+51=76, Resulting Numbers: [69, 76] Generated Node #0,2,2: 54:[69, 76] Operation: 25+51=76 Exploring Operation: 69-25=44, Resulting Numbers: [51, 44] Generated Node #0,2,3: 54:[51, 44] Operation: 69-25=44 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 54:[25, 18], Operations: ['75-6=69', '69-51=18'] Exploring Operation: 25+18=43, Resulting Numbers: [43] 43,54 unequal: No Solution Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 25*18=450, Resulting Numbers: [450] 450,54 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 #0,2,3 Current State: 54:[51, 44], Operations: ['75-6=69', '69-25=44'] Exploring Operation: 51*44=2244, Resulting Numbers: [2244] 2244,54 unequal: No Solution Exploring Operation: 51+44=95, Resulting Numbers: [95] 95,54 unequal: No Solution Exploring Operation: 51-44=7, Resulting Numbers: [7] 7,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 54:[69, 26], Operations: ['75-6=69', '51-25=26'] Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,54 unequal: No Solution Exploring Operation: 69*26=1794, Resulting Numbers: [1794] 1794,54 unequal: No Solution Exploring Operation: 69+26=95, Resulting Numbers: [95] 95,54 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:[69, 76], Operations: ['75-6=69', '25+51=76'] Exploring Operation: 69+76=145, Resulting Numbers: [145] 145,54 unequal: No Solution Exploring Operation: 76-69=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 69*76=5244, Resulting Numbers: [5244] 5244,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 54:[6, 54], Operations: ['75/25=3', '51+3=54'] Exploring Operation: 6*54=324, Resulting Numbers: [324] 324,54 unequal: No Solution Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,54 unequal: No Solution Exploring Operation: 6+54=60, Resulting Numbers: [60] 60,54 unequal: No Solution Moving to Node #0,3,3 Current State: 54:[6, 17], Operations: ['75/25=3', '51/3=17'] Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,54 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,54 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[6, 1], Operations: ['75-25=50', '51-50=1'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,54 unequal: No Solution Moving to Node #0,3,0 Current State: 54:[51, 9], Operations: ['75/25=3', '6+3=9'] Exploring Operation: 51*9=459, Resulting Numbers: [459] 459,54 unequal: No Solution Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,54 unequal: No Solution Exploring Operation: 51+9=60, Resulting Numbers: [60] 60,54 unequal: No Solution Moving to Node #0,3,2 Current State: 54:[3, 57], Operations: ['75/25=3', '51+6=57'] Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,54 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[75, 25, 51, 6], Operations: [] Exploring Operation: 75/25=3, Resulting Numbers: [51, 6, 3] Generated Node #0,3: 54:[51, 6, 3] Operation: 75/25=3 Moving to Node #0,3 Current State: 54:[51, 6, 3], Operations: ['75/25=3'] Exploring Operation: 51+6=57, Resulting Numbers: [3, 57] Generated Node #0,3,2: 54:[3, 57] Operation: 51+6=57 Moving to Node #0,3,2 Current State: 54:[3, 57], Operations: ['75/25=3', '51+6=57'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.943576
hs_4
sum_heuristic
[ 11, 95, 25, 19 ]
99
[ "25+19=44", "44/11=4", "95+4=99" ]
Current State: 99:[11, 95, 25, 19], Operations: [] Exploring Operation: 25+19=44, Resulting Numbers: [11, 95, 44] Generated Node #2: [11, 95, 44] from Operation: 25+19=44 Current State: 99:[11, 95, 44], Operations: ['25+19=44'] Exploring Operation: 44/11=4, Resulting Numbers: [95, 4] Generated Node #3: [95, 4] from Operation: 44/11=4 Current State: 99:[95, 4], Operations: ['25+19=44', '44/11=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[11, 95, 25, 19], Operations: [] Exploring Operation: 95/19=5, Resulting Numbers: [11, 25, 5] Generated Node #0,0: 99:[11, 25, 5] Operation: 95/19=5 Exploring Operation: 25-19=6, Resulting Numbers: [11, 95, 6] Generated Node #0,1: 99:[11, 95, 6] Operation: 25-19=6 Moving to Node #0,1 Current State: 99:[11, 95, 6], Operations: ['25-19=6'] Exploring Operation: 11-6=5, Resulting Numbers: [95, 5] Generated Node #0,1,0: 99:[95, 5] Operation: 11-6=5 Exploring Operation: 95+6=101, Resulting Numbers: [11, 101] Generated Node #0,1,1: 99:[11, 101] Operation: 95+6=101 Moving to Node #0,0 Current State: 99:[11, 25, 5], Operations: ['95/19=5'] Exploring Operation: 25+5=30, Resulting Numbers: [11, 30] Generated Node #0,0,0: 99:[11, 30] Operation: 25+5=30 Exploring Operation: 25/5=5, Resulting Numbers: [11, 5] Generated Node #0,0,1: 99:[11, 5] Operation: 25/5=5 Moving to Node #0,1,1 Current State: 99:[11, 101], Operations: ['25-19=6', '95+6=101'] Exploring Operation: 101-11=90, Resulting Numbers: [90] 90,99 unequal: No Solution Exploring Operation: 11+101=112, Resulting Numbers: [112] 112,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[11, 5], Operations: ['95/19=5', '25/5=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,99 unequal: No Solution Moving to Node #0,0,0 Current State: 99:[11, 30], Operations: ['95/19=5', '25+5=30'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[95, 5], Operations: ['25-19=6', '11-6=5'] Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 95+5=100, Resulting Numbers: [100] 100,99 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 36, 40, 38, 56 ]
96
[ "40-36=4", "38*4=152", "152-56=96" ]
Current State: 96:[36, 40, 38, 56], Operations: [] Exploring Operation: 40-36=4, Resulting Numbers: [38, 56, 4] Generated Node #2: [38, 56, 4] from Operation: 40-36=4 Current State: 96:[38, 56, 4], Operations: ['40-36=4'] Exploring Operation: 38*4=152, Resulting Numbers: [56, 152] Generated Node #3: [56, 152] from Operation: 38*4=152 Current State: 96:[56, 152], Operations: ['40-36=4', '38*4=152'] Exploring Operation: 152-56=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[36, 40, 38, 56], Operations: [] Exploring Operation: 40+56=96, Resulting Numbers: [36, 38, 96] Generated Node #0,0: 96:[36, 38, 96] Operation: 40+56=96 Moving to Node #0,0 Current State: 96:[36, 38, 96], Operations: ['40+56=96'] Exploring Operation: 38-36=2, Resulting Numbers: [96, 2] Generated Node #0,0,0: 96:[96, 2] Operation: 38-36=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[96, 2], Operations: ['40+56=96', '38-36=2'] Exploring Operation: 96/2=48, Resulting Numbers: [48] 48,96 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
[ 26, 61, 93, 87 ]
29
[ "61-26=35", "93-87=6", "35-6=29" ]
Current State: 29:[26, 61, 93, 87], Operations: [] Exploring Operation: 61-26=35, Resulting Numbers: [93, 87, 35] Generated Node #2: [93, 87, 35] from Operation: 61-26=35 Current State: 29:[93, 87, 35], Operations: ['61-26=35'] Exploring Operation: 93-87=6, Resulting Numbers: [35, 6] Generated Node #3: [35, 6] from Operation: 93-87=6 Current State: 29:[35, 6], Operations: ['61-26=35', '93-87=6'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[26, 61, 93, 87], Operations: [] Exploring Operation: 93-87=6, Resulting Numbers: [26, 61, 6] Generated Node #0,0: 29:[26, 61, 6] Operation: 93-87=6 Exploring Operation: 87-61=26, Resulting Numbers: [26, 93, 26] Generated Node #0,1: 29:[26, 93, 26] Operation: 87-61=26 Exploring Operation: 61-26=35, Resulting Numbers: [93, 87, 35] Generated Node #0,2: 29:[93, 87, 35] Operation: 61-26=35 Exploring Operation: 93-61=32, Resulting Numbers: [26, 87, 32] Generated Node #0,3: 29:[26, 87, 32] Operation: 93-61=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[26, 61, 6], Operations: ['93-87=6'] Exploring Operation: 26-6=20, Resulting Numbers: [61, 20] Generated Node #0,0,0: 29:[61, 20] Operation: 26-6=20 Exploring Operation: 61-6=55, Resulting Numbers: [26, 55] Generated Node #0,0,1: 29:[26, 55] Operation: 61-6=55 Exploring Operation: 61-26=35, Resulting Numbers: [6, 35] Generated Node #0,0,2: 29:[6, 35] Operation: 61-26=35 Exploring Operation: 26+6=32, Resulting Numbers: [61, 32] Generated Node #0,0,3: 29:[61, 32] Operation: 26+6=32 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[26, 55], Operations: ['93-87=6', '61-6=55'] Exploring Operation: 26*55=1430, Resulting Numbers: [1430] 1430,29 unequal: No Solution Exploring Operation: 26+55=81, Resulting Numbers: [81] 81,29 unequal: No Solution Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[26, 61, 93, 87], Operations: [] Exploring Operation: 93-87=6, Resulting Numbers: [26, 61, 6] Generated Node #0,0: 29:[26, 61, 6] Operation: 93-87=6 Moving to Node #0,0 Current State: 29:[26, 61, 6], Operations: ['93-87=6'] Exploring Operation: 61-6=55, Resulting Numbers: [26, 55] Generated Node #0,0,1: 29:[26, 55] Operation: 61-6=55 Moving to Node #0,0,1 Current State: 29:[26, 55], Operations: ['93-87=6', '61-6=55'] Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 62, 6, 43, 4 ]
82
[ "62-43=19", "4*19=76", "6+76=82" ]
Current State: 82:[62, 6, 43, 4], Operations: [] Exploring Operation: 62-43=19, Resulting Numbers: [6, 4, 19] Generated Node #2: [6, 4, 19] from Operation: 62-43=19 Current State: 82:[6, 4, 19], Operations: ['62-43=19'] Exploring Operation: 4*19=76, Resulting Numbers: [6, 76] Generated Node #3: [6, 76] from Operation: 4*19=76 Current State: 82:[6, 76], Operations: ['62-43=19', '4*19=76'] Exploring Operation: 6+76=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[62, 6, 43, 4], Operations: [] Exploring Operation: 62-6=56, Resulting Numbers: [43, 4, 56] Generated Node #0,0: 82:[43, 4, 56] Operation: 62-6=56 Exploring Operation: 62+6=68, Resulting Numbers: [43, 4, 68] Generated Node #0,1: 82:[43, 4, 68] Operation: 62+6=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[43, 4, 68], Operations: ['62+6=68'] Exploring Operation: 4+68=72, Resulting Numbers: [43, 72] Generated Node #0,1,0: 82:[43, 72] Operation: 4+68=72 Exploring Operation: 43-4=39, Resulting Numbers: [68, 39] Generated Node #0,1,1: 82:[68, 39] Operation: 43-4=39 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 82:[43, 72], Operations: ['62+6=68', '4+68=72'] Exploring Operation: 72-43=29, Resulting Numbers: [29] 29,82 unequal: No Solution Exploring Operation: 43+72=115, Resulting Numbers: [115] 115,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[68, 39], Operations: ['62+6=68', '43-4=39'] Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,82 unequal: No Solution Exploring Operation: 68+39=107, Resulting Numbers: [107] 107,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[43, 4, 56], Operations: ['62-6=56'] Exploring Operation: 56-4=52, Resulting Numbers: [43, 52] Generated Node #0,0,0: 82:[43, 52] Operation: 56-4=52 Exploring Operation: 56-43=13, Resulting Numbers: [4, 13] Generated Node #0,0,1: 82:[4, 13] Operation: 56-43=13 Moving to Node #0,0,0 Current State: 82:[43, 52], Operations: ['62-6=56', '56-4=52'] Exploring Operation: 43+52=95, Resulting Numbers: [95] 95,82 unequal: No Solution Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[4, 13], Operations: ['62-6=56', '56-43=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,82 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 15, 2, 62, 68 ]
41
[ "15+68=83", "2*62=124", "124-83=41" ]
Current State: 41:[15, 2, 62, 68], Operations: [] Exploring Operation: 15+68=83, Resulting Numbers: [2, 62, 83] Generated Node #2: [2, 62, 83] from Operation: 15+68=83 Current State: 41:[2, 62, 83], Operations: ['15+68=83'] Exploring Operation: 2*62=124, Resulting Numbers: [83, 124] Generated Node #3: [83, 124] from Operation: 2*62=124 Current State: 41:[83, 124], Operations: ['15+68=83', '2*62=124'] Exploring Operation: 124-83=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[15, 2, 62, 68], Operations: [] Exploring Operation: 15*2=30, Resulting Numbers: [62, 68, 30] Generated Node #0,0: 41:[62, 68, 30] Operation: 15*2=30 Exploring Operation: 68/2=34, Resulting Numbers: [15, 62, 34] Generated Node #0,1: 41:[15, 62, 34] Operation: 68/2=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[15, 62, 34], Operations: ['68/2=34'] Exploring Operation: 62-15=47, Resulting Numbers: [34, 47] Generated Node #0,1,0: 41:[34, 47] Operation: 62-15=47 Exploring Operation: 15+34=49, Resulting Numbers: [62, 49] Generated Node #0,1,1: 41:[62, 49] Operation: 15+34=49 Moving to Node #0,1,0 Current State: 41:[34, 47], Operations: ['68/2=34', '62-15=47'] Exploring Operation: 47-34=13, Resulting Numbers: [13] 13,41 unequal: No Solution Exploring Operation: 34+47=81, Resulting Numbers: [81] 81,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[62, 49], Operations: ['68/2=34', '15+34=49'] Exploring Operation: 62+49=111, Resulting Numbers: [111] 111,41 unequal: No Solution Exploring Operation: 62-49=13, Resulting Numbers: [13] 13,41 unequal: No Solution No 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: 41:[62, 68, 30], Operations: ['15*2=30'] Exploring Operation: 68-30=38, Resulting Numbers: [62, 38] Generated Node #0,0,0: 41:[62, 38] Operation: 68-30=38 Exploring Operation: 62-30=32, Resulting Numbers: [68, 32] Generated Node #0,0,1: 41:[68, 32] Operation: 62-30=32 Moving to Node #0,0,0 Current State: 41:[62, 38], Operations: ['15*2=30', '68-30=38'] Exploring Operation: 62-38=24, Resulting Numbers: [24] 24,41 unequal: No Solution Exploring Operation: 62+38=100, Resulting Numbers: [100] 100,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[68, 32], Operations: ['15*2=30', '62-30=32'] Exploring Operation: 68-32=36, Resulting Numbers: [36] 36,41 unequal: No Solution Exploring Operation: 68+32=100, Resulting Numbers: [100] 100,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 90, 72, 53, 22 ]
13
[ "90-72=18", "53-22=31", "31-18=13" ]
Current State: 13:[90, 72, 53, 22], Operations: [] Exploring Operation: 90-72=18, Resulting Numbers: [53, 22, 18] Generated Node #2: [53, 22, 18] from Operation: 90-72=18 Current State: 13:[53, 22, 18], Operations: ['90-72=18'] Exploring Operation: 53-22=31, Resulting Numbers: [18, 31] Generated Node #3: [18, 31] from Operation: 53-22=31 Current State: 13:[18, 31], Operations: ['90-72=18', '53-22=31'] Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[90, 72, 53, 22], Operations: [] Exploring Operation: 90-53=37, Resulting Numbers: [72, 22, 37] Generated Node #0,0: 13:[72, 22, 37] Operation: 90-53=37 Exploring Operation: 90-72=18, Resulting Numbers: [53, 22, 18] Generated Node #0,1: 13:[53, 22, 18] Operation: 90-72=18 Moving to Node #0,1 Current State: 13:[53, 22, 18], Operations: ['90-72=18'] Exploring Operation: 53-18=35, Resulting Numbers: [22, 35] Generated Node #0,1,0: 13:[22, 35] Operation: 53-18=35 Exploring Operation: 53-22=31, Resulting Numbers: [18, 31] Generated Node #0,1,1: 13:[18, 31] Operation: 53-22=31 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[18, 31], Operations: ['90-72=18', '53-22=31'] Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,13 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[90, 72, 53, 22], Operations: [] Exploring Operation: 90-72=18, Resulting Numbers: [53, 22, 18] Generated Node #0,1: 13:[53, 22, 18] Operation: 90-72=18 Moving to Node #0,1 Current State: 13:[53, 22, 18], Operations: ['90-72=18'] Exploring Operation: 53-22=31, Resulting Numbers: [18, 31] Generated Node #0,1,1: 13:[18, 31] Operation: 53-22=31 Moving to Node #0,1,1 Current State: 13:[18, 31], Operations: ['90-72=18', '53-22=31'] Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 80, 84, 81, 27 ]
27
[ "84-80=4", "81+27=108", "108/4=27" ]
Current State: 27:[80, 84, 81, 27], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [81, 27, 4] Generated Node #2: [81, 27, 4] from Operation: 84-80=4 Current State: 27:[81, 27, 4], Operations: ['84-80=4'] Exploring Operation: 81+27=108, Resulting Numbers: [4, 108] Generated Node #3: [4, 108] from Operation: 81+27=108 Current State: 27:[4, 108], Operations: ['84-80=4', '81+27=108'] Exploring Operation: 108/4=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[80, 84, 81, 27], Operations: [] Exploring Operation: 81-80=1, Resulting Numbers: [84, 27, 1] Generated Node #0,0: 27:[84, 27, 1] Operation: 81-80=1 Exploring Operation: 84-80=4, Resulting Numbers: [81, 27, 4] Generated Node #0,1: 27:[81, 27, 4] Operation: 84-80=4 Exploring Operation: 84-81=3, Resulting Numbers: [80, 27, 3] Generated Node #0,2: 27:[80, 27, 3] Operation: 84-81=3 Exploring Operation: 81/27=3, Resulting Numbers: [80, 84, 3] Generated Node #0,3: 27:[80, 84, 3] Operation: 81/27=3 Moving to Node #0,2 Current State: 27:[80, 27, 3], Operations: ['84-81=3'] Exploring Operation: 80+3=83, Resulting Numbers: [27, 83] Generated Node #0,2,0: 27:[27, 83] Operation: 80+3=83 Exploring Operation: 27/3=9, Resulting Numbers: [80, 9] Generated Node #0,2,1: 27:[80, 9] Operation: 27/3=9 Exploring Operation: 80-3=77, Resulting Numbers: [27, 77] Generated Node #0,2,2: 27:[27, 77] Operation: 80-3=77 Exploring Operation: 80-27=53, Resulting Numbers: [3, 53] Generated Node #0,2,3: 27:[3, 53] Operation: 80-27=53 Moving to Node #0,1 Current State: 27:[81, 27, 4], Operations: ['84-80=4'] Exploring Operation: 81/27=3, Resulting Numbers: [4, 3] Generated Node #0,1,0: 27:[4, 3] Operation: 81/27=3 Exploring Operation: 81-27=54, Resulting Numbers: [4, 54] Generated Node #0,1,1: 27:[4, 54] Operation: 81-27=54 Exploring Operation: 81-4=77, Resulting Numbers: [27, 77] Generated Node #0,1,2: 27:[27, 77] Operation: 81-4=77 Exploring Operation: 81+4=85, Resulting Numbers: [27, 85] Generated Node #0,1,3: 27:[27, 85] Operation: 81+4=85 Moving to Node #0,0 Current State: 27:[84, 27, 1], Operations: ['81-80=1'] Exploring Operation: 84*1=84, Resulting Numbers: [27, 84] Generated Node #0,0,0: 27:[27, 84] Operation: 84*1=84 Exploring Operation: 84-27=57, Resulting Numbers: [1, 57] Generated Node #0,0,1: 27:[1, 57] Operation: 84-27=57 Exploring Operation: 84-1=83, Resulting Numbers: [27, 83] Generated Node #0,0,2: 27:[27, 83] Operation: 84-1=83 Exploring Operation: 84/1=84, Resulting Numbers: [27, 84] Generated Node #0,0,3: 27:[27, 84] Operation: 84/1=84 Moving to Node #0,3 Current State: 27:[80, 84, 3], Operations: ['81/27=3'] Exploring Operation: 84/3=28, Resulting Numbers: [80, 28] Generated Node #0,3,0: 27:[80, 28] Operation: 84/3=28 Exploring Operation: 84-80=4, Resulting Numbers: [3, 4] Generated Node #0,3,1: 27:[3, 4] Operation: 84-80=4 Exploring Operation: 84-3=81, Resulting Numbers: [80, 81] Generated Node #0,3,2: 27:[80, 81] Operation: 84-3=81 Exploring Operation: 80-3=77, Resulting Numbers: [84, 77] Generated Node #0,3,3: 27:[84, 77] Operation: 80-3=77 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 27:[3, 4], Operations: ['81/27=3', '84-80=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 27:[80, 28], Operations: ['81/27=3', '84/3=28'] Exploring Operation: 80+28=108, Resulting Numbers: [108] 108,27 unequal: No Solution Exploring Operation: 80*28=2240, Resulting Numbers: [2240] 2240,27 unequal: No Solution Exploring Operation: 80-28=52, Resulting Numbers: [52] 52,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 27:[80, 81], Operations: ['81/27=3', '84-3=81'] Exploring Operation: 81-80=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 80*81=6480, Resulting Numbers: [6480] 6480,27 unequal: No Solution Exploring Operation: 80+81=161, Resulting Numbers: [161] 161,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 27:[84, 77], Operations: ['81/27=3', '80-3=77'] Exploring Operation: 84*77=6468, Resulting Numbers: [6468] 6468,27 unequal: No Solution Exploring Operation: 84-77=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 84+77=161, Resulting Numbers: [161] 161,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 27:[4, 3], Operations: ['84-80=4', '81/27=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,27 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,27 unequal: No Solution Moving to Node #0,2,3 Current State: 27:[3, 53], Operations: ['84-81=3', '80-27=53'] Exploring Operation: 3*53=159, Resulting Numbers: [159] 159,27 unequal: No Solution Exploring Operation: 3+53=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[4, 54], Operations: ['84-80=4', '81-27=54'] Exploring Operation: 4*54=216, Resulting Numbers: [216] 216,27 unequal: No Solution Exploring Operation: 4+54=58, Resulting Numbers: [58] 58,27 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[1, 57], Operations: ['81-80=1', '84-27=57'] Exploring Operation: 1+57=58, Resulting Numbers: [58] 58,27 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,27 unequal: No Solution Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,27 unequal: No Solution Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[27, 77], Operations: ['84-80=4', '81-4=77'] Exploring Operation: 27*77=2079, Resulting Numbers: [2079] 2079,27 unequal: No Solution Exploring Operation: 27+77=104, Resulting Numbers: [104] 104,27 unequal: No Solution Exploring Operation: 77-27=50, Resulting Numbers: [50] 50,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[27, 77], Operations: ['84-81=3', '80-3=77'] Exploring Operation: 27+77=104, Resulting Numbers: [104] 104,27 unequal: No Solution Exploring Operation: 77-27=50, Resulting Numbers: [50] 50,27 unequal: No Solution Exploring Operation: 27*77=2079, Resulting Numbers: [2079] 2079,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[80, 9], Operations: ['84-81=3', '27/3=9'] Exploring Operation: 80+9=89, Resulting Numbers: [89] 89,27 unequal: No Solution Exploring Operation: 80*9=720, Resulting Numbers: [720] 720,27 unequal: No Solution Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,27 unequal: No Solution Moving to Node #0,0,2 Current State: 27:[27, 83], Operations: ['81-80=1', '84-1=83'] Exploring Operation: 83-27=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 27*83=2241, Resulting Numbers: [2241] 2241,27 unequal: No Solution Exploring Operation: 27+83=110, Resulting Numbers: [110] 110,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[27, 83], Operations: ['84-81=3', '80+3=83'] Exploring Operation: 27*83=2241, Resulting Numbers: [2241] 2241,27 unequal: No Solution Exploring Operation: 83-27=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 27+83=110, Resulting Numbers: [110] 110,27 unequal: No Solution Moving to Node #0,0,3 Current State: 27:[27, 84], Operations: ['81-80=1', '84/1=84'] Exploring Operation: 27+84=111, Resulting Numbers: [111] 111,27 unequal: No Solution Exploring Operation: 27*84=2268, Resulting Numbers: [2268] 2268,27 unequal: No Solution Exploring Operation: 84-27=57, Resulting Numbers: [57] 57,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[27, 84], Operations: ['81-80=1', '84*1=84'] Exploring Operation: 84-27=57, Resulting Numbers: [57] 57,27 unequal: No Solution Exploring Operation: 27*84=2268, Resulting Numbers: [2268] 2268,27 unequal: No Solution Exploring Operation: 27+84=111, Resulting Numbers: [111] 111,27 unequal: No Solution Moving to Node #0,1,3 Current State: 27:[27, 85], Operations: ['84-80=4', '81+4=85'] Exploring Operation: 27*85=2295, Resulting Numbers: [2295] 2295,27 unequal: No Solution Exploring Operation: 85-27=58, Resulting Numbers: [58] 58,27 unequal: No Solution Exploring Operation: 27+85=112, Resulting Numbers: [112] 112,27 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 45, 42, 14, 10 ]
15
[ "42/14=3", "10*3=30", "45-30=15" ]
Current State: 15:[45, 42, 14, 10], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [45, 10, 3] Generated Node #2: [45, 10, 3] from Operation: 42/14=3 Current State: 15:[45, 10, 3], Operations: ['42/14=3'] Exploring Operation: 10*3=30, Resulting Numbers: [45, 30] Generated Node #3: [45, 30] from Operation: 10*3=30 Current State: 15:[45, 30], Operations: ['42/14=3', '10*3=30'] Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[45, 42, 14, 10], Operations: [] Exploring Operation: 45-14=31, Resulting Numbers: [42, 10, 31] Generated Node #0,0: 15:[42, 10, 31] Operation: 45-14=31 Exploring Operation: 45-42=3, Resulting Numbers: [14, 10, 3] Generated Node #0,1: 15:[14, 10, 3] Operation: 45-42=3 Exploring Operation: 45-10=35, Resulting Numbers: [42, 14, 35] Generated Node #0,2: 15:[42, 14, 35] Operation: 45-10=35 Exploring Operation: 42/14=3, Resulting Numbers: [45, 10, 3] Generated Node #0,3: 15:[45, 10, 3] Operation: 42/14=3 Exploring Operation: 42-14=28, Resulting Numbers: [45, 10, 28] Generated Node #0,4: 15:[45, 10, 28] Operation: 42-14=28 Moving to Node #0,1 Current State: 15:[14, 10, 3], Operations: ['45-42=3'] Exploring Operation: 10+3=13, Resulting Numbers: [14, 13] Generated Node #0,1,0: 15:[14, 13] Operation: 10+3=13 Exploring Operation: 10-3=7, Resulting Numbers: [14, 7] Generated Node #0,1,1: 15:[14, 7] Operation: 10-3=7 Exploring Operation: 14+10=24, Resulting Numbers: [3, 24] Generated Node #0,1,2: 15:[3, 24] Operation: 14+10=24 Exploring Operation: 14+3=17, Resulting Numbers: [10, 17] Generated Node #0,1,3: 15:[10, 17] Operation: 14+3=17 Exploring Operation: 14-10=4, Resulting Numbers: [3, 4] Generated Node #0,1,4: 15:[3, 4] Operation: 14-10=4 Moving to Node #0,3 Current State: 15:[45, 10, 3], Operations: ['42/14=3'] Exploring Operation: 10+3=13, Resulting Numbers: [45, 13] Generated Node #0,3,0: 15:[45, 13] Operation: 10+3=13 Exploring Operation: 45-10=35, Resulting Numbers: [3, 35] Generated Node #0,3,1: 15:[3, 35] Operation: 45-10=35 Exploring Operation: 10-3=7, Resulting Numbers: [45, 7] Generated Node #0,3,2: 15:[45, 7] Operation: 10-3=7 Exploring Operation: 45-3=42, Resulting Numbers: [10, 42] Generated Node #0,3,3: 15:[10, 42] Operation: 45-3=42 Exploring Operation: 45/3=15, Resulting Numbers: [10, 15] Generated Node #0,3,4: 15:[10, 15] Operation: 45/3=15 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 15:[10, 15], Operations: ['42/14=3', '45/3=15'] Exploring Operation: 10*15=150, Resulting Numbers: [150] 150,15 unequal: No Solution Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,15 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,15 unequal: No Solution No 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: 15:[3, 35], Operations: ['42/14=3', '45-10=35'] Exploring Operation: 3*35=105, Resulting Numbers: [105] 105,15 unequal: No Solution Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,15 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,15 unequal: No Solution No 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: 15:[45, 13], Operations: ['42/14=3', '10+3=13'] Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,15 unequal: No Solution Exploring Operation: 45*13=585, Resulting Numbers: [585] 585,15 unequal: No Solution No 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: 15:[45, 7], Operations: ['42/14=3', '10-3=7'] Exploring Operation: 45+7=52, Resulting Numbers: [52] 52,15 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,15 unequal: No Solution Exploring Operation: 45*7=315, Resulting Numbers: [315] 315,15 unequal: No Solution No 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: 15:[10, 42], Operations: ['42/14=3', '45-3=42'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 10*42=420, Resulting Numbers: [420] 420,15 unequal: No Solution Exploring Operation: 10+42=52, Resulting Numbers: [52] 52,15 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: 15:[42, 10, 31], Operations: ['45-14=31'] Exploring Operation: 42-31=11, Resulting Numbers: [10, 11] Generated Node #0,0,0: 15:[10, 11] Operation: 42-31=11 Exploring Operation: 31-10=21, Resulting Numbers: [42, 21] Generated Node #0,0,1: 15:[42, 21] Operation: 31-10=21 Exploring Operation: 42+10=52, Resulting Numbers: [31, 52] Generated Node #0,0,2: 15:[31, 52] Operation: 42+10=52 Exploring Operation: 42-10=32, Resulting Numbers: [31, 32] Generated Node #0,0,3: 15:[31, 32] Operation: 42-10=32 Exploring Operation: 10+31=41, Resulting Numbers: [42, 41] Generated Node #0,0,4: 15:[42, 41] Operation: 10+31=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[10, 11], Operations: ['45-14=31', '42-31=11'] Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,15 unequal: No Solution Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,15 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,15 unequal: No Solution No 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: 15:[42, 21], Operations: ['45-14=31', '31-10=21'] Exploring Operation: 42*21=882, Resulting Numbers: [882] 882,15 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 42+21=63, Resulting Numbers: [63] 63,15 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,15 unequal: No Solution No 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: 15:[31, 32], Operations: ['45-14=31', '42-10=32'] Exploring Operation: 31*32=992, Resulting Numbers: [992] 992,15 unequal: No Solution Exploring Operation: 31+32=63, Resulting Numbers: [63] 63,15 unequal: No Solution Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,15 unequal: No Solution No 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: 15:[31, 52], Operations: ['45-14=31', '42+10=52'] Exploring Operation: 31*52=1612, Resulting Numbers: [1612] 1612,15 unequal: No Solution Exploring Operation: 31+52=83, Resulting Numbers: [83] 83,15 unequal: No Solution Exploring Operation: 52-31=21, Resulting Numbers: [21] 21,15 unequal: No Solution No 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: 15:[42, 41], Operations: ['45-14=31', '10+31=41'] Exploring Operation: 42-41=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 42*41=1722, Resulting Numbers: [1722] 1722,15 unequal: No Solution Exploring Operation: 42+41=83, Resulting Numbers: [83] 83,15 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: 15:[42, 14, 35], Operations: ['45-10=35'] Exploring Operation: 42/14=3, Resulting Numbers: [35, 3] Generated Node #0,2,0: 15:[35, 3] Operation: 42/14=3 Exploring Operation: 42-35=7, Resulting Numbers: [14, 7] Generated Node #0,2,1: 15:[14, 7] Operation: 42-35=7 Exploring Operation: 42-14=28, Resulting Numbers: [35, 28] Generated Node #0,2,2: 15:[35, 28] Operation: 42-14=28 Exploring Operation: 35-14=21, Resulting Numbers: [42, 21] Generated Node #0,2,3: 15:[42, 21] Operation: 35-14=21 Exploring Operation: 42+14=56, Resulting Numbers: [35, 56] Generated Node #0,2,4: 15:[35, 56] Operation: 42+14=56 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 15:[14, 7], Operations: ['45-10=35', '42-35=7'] Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,15 unequal: No Solution Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,15 unequal: No Solution No 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: 15:[35, 3], Operations: ['45-10=35', '42/14=3'] Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,15 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,15 unequal: No Solution No 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: 15:[35, 28], Operations: ['45-10=35', '42-14=28'] Exploring Operation: 35*28=980, Resulting Numbers: [980] 980,15 unequal: No Solution Exploring Operation: 35+28=63, Resulting Numbers: [63] 63,15 unequal: No Solution Exploring Operation: 35-28=7, Resulting Numbers: [7] 7,15 unequal: No Solution No 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: 15:[42, 21], Operations: ['45-10=35', '35-14=21'] Exploring Operation: 42*21=882, Resulting Numbers: [882] 882,15 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,15 unequal: No Solution Exploring Operation: 42+21=63, Resulting Numbers: [63] 63,15 unequal: No Solution No 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: 15:[35, 56], Operations: ['45-10=35', '42+14=56'] Exploring Operation: 35*56=1960, Resulting Numbers: [1960] 1960,15 unequal: No Solution Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,15 unequal: No Solution Exploring Operation: 35+56=91, Resulting Numbers: [91] 91,15 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: 15:[45, 10, 28], Operations: ['42-14=28'] Exploring Operation: 45+10=55, Resulting Numbers: [28, 55] Generated Node #0,4,0: 15:[28, 55] Operation: 45+10=55 Exploring Operation: 10+28=38, Resulting Numbers: [45, 38] Generated Node #0,4,1: 15:[45, 38] Operation: 10+28=38 Exploring Operation: 28-10=18, Resulting Numbers: [45, 18] Generated Node #0,4,2: 15:[45, 18] Operation: 28-10=18 Exploring Operation: 45-10=35, Resulting Numbers: [28, 35] Generated Node #0,4,3: 15:[28, 35] Operation: 45-10=35 Exploring Operation: 45-28=17, Resulting Numbers: [10, 17] Generated Node #0,4,4: 15:[10, 17] Operation: 45-28=17 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 15:[10, 17], Operations: ['42-14=28', '45-28=17'] Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,15 unequal: No Solution No 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: 15:[45, 18], Operations: ['42-14=28', '28-10=18'] Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 45*18=810, Resulting Numbers: [810] 810,15 unequal: No Solution Exploring Operation: 45+18=63, Resulting Numbers: [63] 63,15 unequal: No Solution No 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: 15:[28, 35], Operations: ['42-14=28', '45-10=35'] Exploring Operation: 28+35=63, Resulting Numbers: [63] 63,15 unequal: No Solution Exploring Operation: 28*35=980, Resulting Numbers: [980] 980,15 unequal: No Solution Exploring Operation: 35-28=7, Resulting Numbers: [7] 7,15 unequal: No Solution No 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: 15:[28, 55], Operations: ['42-14=28', '45+10=55'] Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 28*55=1540, Resulting Numbers: [1540] 1540,15 unequal: No Solution Exploring Operation: 28+55=83, Resulting Numbers: [83] 83,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 15:[45, 38], Operations: ['42-14=28', '10+28=38'] Exploring Operation: 45+38=83, Resulting Numbers: [83] 83,15 unequal: No Solution Exploring Operation: 45-38=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 45*38=1710, Resulting Numbers: [1710] 1710,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,4 Current State: 15:[3, 4], Operations: ['45-42=3', '14-10=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[14, 7], Operations: ['45-42=3', '10-3=7'] Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,15 unequal: No Solution Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,15 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[14, 13], Operations: ['45-42=3', '10+3=13'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 14*13=182, Resulting Numbers: [182] 182,15 unequal: No Solution Moving to Node #0,1,3 Current State: 15:[10, 17], Operations: ['45-42=3', '14+3=17'] Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[3, 24], Operations: ['45-42=3', '14+10=24'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,15 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,15 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 76, 85, 19, 72 ]
26
[ "76-72=4", "85+19=104", "104/4=26" ]
Current State: 26:[76, 85, 19, 72], Operations: [] Exploring Operation: 76-72=4, Resulting Numbers: [85, 19, 4] Generated Node #2: [85, 19, 4] from Operation: 76-72=4 Current State: 26:[85, 19, 4], Operations: ['76-72=4'] Exploring Operation: 85+19=104, Resulting Numbers: [4, 104] Generated Node #3: [4, 104] from Operation: 85+19=104 Current State: 26:[4, 104], Operations: ['76-72=4', '85+19=104'] Exploring Operation: 104/4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[76, 85, 19, 72], Operations: [] Exploring Operation: 85-72=13, Resulting Numbers: [76, 19, 13] Generated Node #0,0: 26:[76, 19, 13] Operation: 85-72=13 Exploring Operation: 76-72=4, Resulting Numbers: [85, 19, 4] Generated Node #0,1: 26:[85, 19, 4] Operation: 76-72=4 Exploring Operation: 85-76=9, Resulting Numbers: [19, 72, 9] Generated Node #0,2: 26:[19, 72, 9] Operation: 85-76=9 Exploring Operation: 76/19=4, Resulting Numbers: [85, 72, 4] Generated Node #0,3: 26:[85, 72, 4] Operation: 76/19=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[76, 19, 13], Operations: ['85-72=13'] Exploring Operation: 76/19=4, Resulting Numbers: [13, 4] Generated Node #0,0,0: 26:[13, 4] Operation: 76/19=4 Exploring Operation: 19-13=6, Resulting Numbers: [76, 6] Generated Node #0,0,1: 26:[76, 6] Operation: 19-13=6 Exploring Operation: 76-13=63, Resulting Numbers: [19, 63] Generated Node #0,0,2: 26:[19, 63] Operation: 76-13=63 Exploring Operation: 76-19=57, Resulting Numbers: [13, 57] Generated Node #0,0,3: 26:[13, 57] Operation: 76-19=57 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[13, 4], Operations: ['85-72=13', '76/19=4'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,26 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,26 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,26 unequal: No Solution No 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: 26:[13, 57], Operations: ['85-72=13', '76-19=57'] Exploring Operation: 13*57=741, Resulting Numbers: [741] 741,26 unequal: No Solution Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 13+57=70, Resulting Numbers: [70] 70,26 unequal: No Solution No 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: 26:[19, 63], Operations: ['85-72=13', '76-13=63'] Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 19+63=82, Resulting Numbers: [82] 82,26 unequal: No Solution Exploring Operation: 19*63=1197, Resulting Numbers: [1197] 1197,26 unequal: No Solution No 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: 26:[76, 6], Operations: ['85-72=13', '19-13=6'] Exploring Operation: 76+6=82, Resulting Numbers: [82] 82,26 unequal: No Solution Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,26 unequal: No Solution Exploring Operation: 76*6=456, Resulting Numbers: [456] 456,26 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: 26:[19, 72, 9], Operations: ['85-76=9'] Exploring Operation: 72-9=63, Resulting Numbers: [19, 63] Generated Node #0,2,0: 26:[19, 63] Operation: 72-9=63 Exploring Operation: 19+9=28, Resulting Numbers: [72, 28] Generated Node #0,2,1: 26:[72, 28] Operation: 19+9=28 Exploring Operation: 72-19=53, Resulting Numbers: [9, 53] Generated Node #0,2,2: 26:[9, 53] Operation: 72-19=53 Exploring Operation: 72/9=8, Resulting Numbers: [19, 8] Generated Node #0,2,3: 26:[19, 8] Operation: 72/9=8 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 26:[19, 8], Operations: ['85-76=9', '72/9=8'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,26 unequal: No Solution Exploring Operation: 19*8=152, Resulting Numbers: [152] 152,26 unequal: No Solution Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,26 unequal: No Solution No 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: 26:[9, 53], Operations: ['85-76=9', '72-19=53'] Exploring Operation: 9+53=62, Resulting Numbers: [62] 62,26 unequal: No Solution Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 9*53=477, Resulting Numbers: [477] 477,26 unequal: No Solution No 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: 26:[19, 63], Operations: ['85-76=9', '72-9=63'] Exploring Operation: 19*63=1197, Resulting Numbers: [1197] 1197,26 unequal: No Solution Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 19+63=82, Resulting Numbers: [82] 82,26 unequal: No Solution No 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: 26:[72, 28], Operations: ['85-76=9', '19+9=28'] Exploring Operation: 72-28=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 72*28=2016, Resulting Numbers: [2016] 2016,26 unequal: No Solution Exploring Operation: 72+28=100, Resulting Numbers: [100] 100,26 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: 26:[85, 19, 4], Operations: ['76-72=4'] Exploring Operation: 19+4=23, Resulting Numbers: [85, 23] Generated Node #0,1,0: 26:[85, 23] Operation: 19+4=23 Exploring Operation: 85-19=66, Resulting Numbers: [4, 66] Generated Node #0,1,1: 26:[4, 66] Operation: 85-19=66 Exploring Operation: 85-4=81, Resulting Numbers: [19, 81] Generated Node #0,1,2: 26:[19, 81] Operation: 85-4=81 Exploring Operation: 19-4=15, Resulting Numbers: [85, 15] Generated Node #0,1,3: 26:[85, 15] Operation: 19-4=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 26:[4, 66], Operations: ['76-72=4', '85-19=66'] Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,26 unequal: No Solution Exploring Operation: 4*66=264, Resulting Numbers: [264] 264,26 unequal: No Solution Exploring Operation: 4+66=70, Resulting Numbers: [70] 70,26 unequal: No Solution No 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: 26:[19, 81], Operations: ['76-72=4', '85-4=81'] Exploring Operation: 19*81=1539, Resulting Numbers: [1539] 1539,26 unequal: No Solution Exploring Operation: 19+81=100, Resulting Numbers: [100] 100,26 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,26 unequal: No Solution No 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: 26:[85, 15], Operations: ['76-72=4', '19-4=15'] Exploring Operation: 85*15=1275, Resulting Numbers: [1275] 1275,26 unequal: No Solution Exploring Operation: 85+15=100, Resulting Numbers: [100] 100,26 unequal: No Solution Exploring Operation: 85-15=70, Resulting Numbers: [70] 70,26 unequal: No Solution No 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: 26:[85, 23], Operations: ['76-72=4', '19+4=23'] Exploring Operation: 85-23=62, Resulting Numbers: [62] 62,26 unequal: No Solution Exploring Operation: 85*23=1955, Resulting Numbers: [1955] 1955,26 unequal: No Solution Exploring Operation: 85+23=108, Resulting Numbers: [108] 108,26 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: 26:[85, 72, 4], Operations: ['76/19=4'] Exploring Operation: 85-4=81, Resulting Numbers: [72, 81] Generated Node #0,3,0: 26:[72, 81] Operation: 85-4=81 Exploring Operation: 72-4=68, Resulting Numbers: [85, 68] Generated Node #0,3,1: 26:[85, 68] Operation: 72-4=68 Exploring Operation: 72/4=18, Resulting Numbers: [85, 18] Generated Node #0,3,2: 26:[85, 18] Operation: 72/4=18 Exploring Operation: 85-72=13, Resulting Numbers: [4, 13] Generated Node #0,3,3: 26:[4, 13] Operation: 85-72=13 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 26:[4, 13], Operations: ['76/19=4', '85-72=13'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,26 unequal: No Solution Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,26 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,26 unequal: No Solution No 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: 26:[85, 18], Operations: ['76/19=4', '72/4=18'] Exploring Operation: 85+18=103, Resulting Numbers: [103] 103,26 unequal: No Solution Exploring Operation: 85*18=1530, Resulting Numbers: [1530] 1530,26 unequal: No Solution Exploring Operation: 85-18=67, Resulting Numbers: [67] 67,26 unequal: No Solution No 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: 26:[72, 81], Operations: ['76/19=4', '85-4=81'] Exploring Operation: 72+81=153, Resulting Numbers: [153] 153,26 unequal: No Solution Exploring Operation: 72*81=5832, Resulting Numbers: [5832] 5832,26 unequal: No Solution Exploring Operation: 81-72=9, Resulting Numbers: [9] 9,26 unequal: No Solution No 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: 26:[85, 68], Operations: ['76/19=4', '72-4=68'] Exploring Operation: 85+68=153, Resulting Numbers: [153] 153,26 unequal: No Solution Exploring Operation: 85*68=5780, Resulting Numbers: [5780] 5780,26 unequal: No Solution Exploring Operation: 85-68=17, Resulting Numbers: [17] 17,26 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
[ 63, 67, 17, 64 ]
38
[ "67-64=3", "63/3=21", "17+21=38" ]
Current State: 38:[63, 67, 17, 64], Operations: [] Exploring Operation: 67-64=3, Resulting Numbers: [63, 17, 3] Generated Node #2: [63, 17, 3] from Operation: 67-64=3 Current State: 38:[63, 17, 3], Operations: ['67-64=3'] Exploring Operation: 63/3=21, Resulting Numbers: [17, 21] Generated Node #3: [17, 21] from Operation: 63/3=21 Current State: 38:[17, 21], Operations: ['67-64=3', '63/3=21'] Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[63, 67, 17, 64], Operations: [] Exploring Operation: 67-63=4, Resulting Numbers: [17, 64, 4] Generated Node #0,0: 38:[17, 64, 4] Operation: 67-63=4 Exploring Operation: 64-63=1, Resulting Numbers: [67, 17, 1] Generated Node #0,1: 38:[67, 17, 1] Operation: 64-63=1 Exploring Operation: 63-17=46, Resulting Numbers: [67, 64, 46] Generated Node #0,2: 38:[67, 64, 46] Operation: 63-17=46 Exploring Operation: 67-64=3, Resulting Numbers: [63, 17, 3] Generated Node #0,3: 38:[63, 17, 3] Operation: 67-64=3 Exploring Operation: 67-17=50, Resulting Numbers: [63, 64, 50] Generated Node #0,4: 38:[63, 64, 50] Operation: 67-17=50 Start Sub Search at level 1: Moving to Node #0,3 Current State: 38:[63, 17, 3], Operations: ['67-64=3'] Exploring Operation: 17+3=20, Resulting Numbers: [63, 20] Generated Node #0,3,0: 38:[63, 20] Operation: 17+3=20 Exploring Operation: 63-17=46, Resulting Numbers: [3, 46] Generated Node #0,3,1: 38:[3, 46] Operation: 63-17=46 Exploring Operation: 63-3=60, Resulting Numbers: [17, 60] Generated Node #0,3,2: 38:[17, 60] Operation: 63-3=60 Exploring Operation: 63+3=66, Resulting Numbers: [17, 66] Generated Node #0,3,3: 38:[17, 66] Operation: 63+3=66 Exploring Operation: 63/3=21, Resulting Numbers: [17, 21] Generated Node #0,3,4: 38:[17, 21] Operation: 63/3=21 Moving to Node #0,3,4 Current State: 38:[17, 21], Operations: ['67-64=3', '63/3=21'] Exploring Operation: 17*21=357, Resulting Numbers: [357] 357,38 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[63, 67, 17, 64], Operations: [] Exploring Operation: 67-64=3, Resulting Numbers: [63, 17, 3] Generated Node #0,3: 38:[63, 17, 3] Operation: 67-64=3 Moving to Node #0,3 Current State: 38:[63, 17, 3], Operations: ['67-64=3'] Exploring Operation: 63/3=21, Resulting Numbers: [17, 21] Generated Node #0,3,4: 38:[17, 21] Operation: 63/3=21 Moving to Node #0,3,4 Current State: 38:[17, 21], Operations: ['67-64=3', '63/3=21'] Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 71, 43, 20, 48 ]
75
[ "48-43=5", "20/5=4", "71+4=75" ]
Current State: 75:[71, 43, 20, 48], Operations: [] Exploring Operation: 48-43=5, Resulting Numbers: [71, 20, 5] Generated Node #2: [71, 20, 5] from Operation: 48-43=5 Current State: 75:[71, 20, 5], Operations: ['48-43=5'] Exploring Operation: 20/5=4, Resulting Numbers: [71, 4] Generated Node #3: [71, 4] from Operation: 20/5=4 Current State: 75:[71, 4], Operations: ['48-43=5', '20/5=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[71, 43, 20, 48], Operations: [] Exploring Operation: 48-43=5, Resulting Numbers: [71, 20, 5] Generated Node #0,0: 75:[71, 20, 5] Operation: 48-43=5 Exploring Operation: 71-48=23, Resulting Numbers: [43, 20, 23] Generated Node #0,1: 75:[43, 20, 23] Operation: 71-48=23 Exploring Operation: 43+48=91, Resulting Numbers: [71, 20, 91] Generated Node #0,2: 75:[71, 20, 91] Operation: 43+48=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[71, 20, 5], Operations: ['48-43=5'] Exploring Operation: 20+5=25, Resulting Numbers: [71, 25] Generated Node #0,0,0: 75:[71, 25] Operation: 20+5=25 Exploring Operation: 20/5=4, Resulting Numbers: [71, 4] Generated Node #0,0,1: 75:[71, 4] Operation: 20/5=4 Exploring Operation: 20-5=15, Resulting Numbers: [71, 15] Generated Node #0,0,2: 75:[71, 15] Operation: 20-5=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[71, 25], Operations: ['48-43=5', '20+5=25'] Exploring Operation: 71-25=46, Resulting Numbers: [46] 46,75 unequal: No Solution Exploring Operation: 71+25=96, Resulting Numbers: [96] 96,75 unequal: No Solution Exploring Operation: 71*25=1775, Resulting Numbers: [1775] 1775,75 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:[71, 15], Operations: ['48-43=5', '20-5=15'] Exploring Operation: 71+15=86, Resulting Numbers: [86] 86,75 unequal: No Solution Exploring Operation: 71-15=56, Resulting Numbers: [56] 56,75 unequal: No Solution Exploring Operation: 71*15=1065, Resulting Numbers: [1065] 1065,75 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:[71, 4], Operations: ['48-43=5', '20/5=4'] Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[71, 43, 20, 48], Operations: [] Exploring Operation: 48-43=5, Resulting Numbers: [71, 20, 5] Generated Node #0,0: 75:[71, 20, 5] Operation: 48-43=5 Moving to Node #0,0 Current State: 75:[71, 20, 5], Operations: ['48-43=5'] Exploring Operation: 20/5=4, Resulting Numbers: [71, 4] Generated Node #0,0,1: 75:[71, 4] Operation: 20/5=4 Moving to Node #0,0,1 Current State: 75:[71, 4], Operations: ['48-43=5', '20/5=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 49, 39, 12, 66 ]
47
[ "12+66=78", "78/39=2", "49-2=47" ]
Current State: 47:[49, 39, 12, 66], Operations: [] Exploring Operation: 12+66=78, Resulting Numbers: [49, 39, 78] Generated Node #2: [49, 39, 78] from Operation: 12+66=78 Current State: 47:[49, 39, 78], Operations: ['12+66=78'] Exploring Operation: 78/39=2, Resulting Numbers: [49, 2] Generated Node #3: [49, 2] from Operation: 78/39=2 Current State: 47:[49, 2], Operations: ['12+66=78', '78/39=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[49, 39, 12, 66], Operations: [] Exploring Operation: 66-12=54, Resulting Numbers: [49, 39, 54] Generated Node #0,0: 47:[49, 39, 54] Operation: 66-12=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[49, 39, 54], Operations: ['66-12=54'] Exploring Operation: 54-39=15, Resulting Numbers: [49, 15] Generated Node #0,0,0: 47:[49, 15] Operation: 54-39=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[49, 15], Operations: ['66-12=54', '54-39=15'] Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,47 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
[ 49, 9, 59, 38 ]
52
[ "59-49=10", "9*10=90", "90-38=52" ]
Current State: 52:[49, 9, 59, 38], Operations: [] Exploring Operation: 59-49=10, Resulting Numbers: [9, 38, 10] Generated Node #2: [9, 38, 10] from Operation: 59-49=10 Current State: 52:[9, 38, 10], Operations: ['59-49=10'] Exploring Operation: 9*10=90, Resulting Numbers: [38, 90] Generated Node #3: [38, 90] from Operation: 9*10=90 Current State: 52:[38, 90], Operations: ['59-49=10', '9*10=90'] Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[49, 9, 59, 38], Operations: [] Exploring Operation: 49-38=11, Resulting Numbers: [9, 59, 11] Generated Node #0,0: 52:[9, 59, 11] Operation: 49-38=11 Exploring Operation: 59-38=21, Resulting Numbers: [49, 9, 21] Generated Node #0,1: 52:[49, 9, 21] Operation: 59-38=21 Moving to Node #0,1 Current State: 52:[49, 9, 21], Operations: ['59-38=21'] Exploring Operation: 49-21=28, Resulting Numbers: [9, 28] Generated Node #0,1,0: 52:[9, 28] Operation: 49-21=28 Exploring Operation: 21-9=12, Resulting Numbers: [49, 12] Generated Node #0,1,1: 52:[49, 12] Operation: 21-9=12 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[49, 12], Operations: ['59-38=21', '21-9=12'] Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 49+12=61, Resulting Numbers: [61] 61,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[9, 28], Operations: ['59-38=21', '49-21=28'] Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,52 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: 52:[9, 59, 11], Operations: ['49-38=11'] Exploring Operation: 59-9=50, Resulting Numbers: [11, 50] Generated Node #0,0,0: 52:[11, 50] Operation: 59-9=50 Exploring Operation: 11-9=2, Resulting Numbers: [59, 2] Generated Node #0,0,1: 52:[59, 2] Operation: 11-9=2 Moving to Node #0,0,0 Current State: 52:[11, 50], Operations: ['49-38=11', '59-9=50'] Exploring Operation: 11+50=61, Resulting Numbers: [61] 61,52 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[59, 2], Operations: ['49-38=11', '11-9=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,52 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,52 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 18, 56, 66, 14 ]
12
[ "66-18=48", "56/14=4", "48/4=12" ]
Current State: 12:[18, 56, 66, 14], Operations: [] Exploring Operation: 66-18=48, Resulting Numbers: [56, 14, 48] Generated Node #2: [56, 14, 48] from Operation: 66-18=48 Current State: 12:[56, 14, 48], Operations: ['66-18=48'] Exploring Operation: 56/14=4, Resulting Numbers: [48, 4] Generated Node #3: [48, 4] from Operation: 56/14=4 Current State: 12:[48, 4], Operations: ['66-18=48', '56/14=4'] Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[18, 56, 66, 14], Operations: [] Exploring Operation: 66-56=10, Resulting Numbers: [18, 14, 10] Generated Node #0,0: 12:[18, 14, 10] Operation: 66-56=10 Exploring Operation: 56/14=4, Resulting Numbers: [18, 66, 4] Generated Node #0,1: 12:[18, 66, 4] Operation: 56/14=4 Exploring Operation: 56-18=38, Resulting Numbers: [66, 14, 38] Generated Node #0,2: 12:[66, 14, 38] Operation: 56-18=38 Moving to Node #0,0 Current State: 12:[18, 14, 10], Operations: ['66-56=10'] Exploring Operation: 14-10=4, Resulting Numbers: [18, 4] Generated Node #0,0,0: 12:[18, 4] Operation: 14-10=4 Exploring Operation: 18-14=4, Resulting Numbers: [10, 4] Generated Node #0,0,1: 12:[10, 4] Operation: 18-14=4 Exploring Operation: 18-10=8, Resulting Numbers: [14, 8] Generated Node #0,0,2: 12:[14, 8] Operation: 18-10=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 12:[10, 4], Operations: ['66-56=10', '18-14=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,12 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,12 unequal: No Solution No 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: 12:[14, 8], Operations: ['66-56=10', '18-10=8'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,12 unequal: No Solution Exploring Operation: 14*8=112, Resulting Numbers: [112] 112,12 unequal: No Solution No 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: 12:[18, 4], Operations: ['66-56=10', '14-10=4'] Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,12 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,12 unequal: No Solution Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,12 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: 12:[18, 66, 4], Operations: ['56/14=4'] Exploring Operation: 18-4=14, Resulting Numbers: [66, 14] Generated Node #0,1,0: 12:[66, 14] Operation: 18-4=14 Exploring Operation: 66-18=48, Resulting Numbers: [4, 48] Generated Node #0,1,1: 12:[4, 48] Operation: 66-18=48 Exploring Operation: 66-4=62, Resulting Numbers: [18, 62] Generated Node #0,1,2: 12:[18, 62] Operation: 66-4=62 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[4, 48], Operations: ['56/14=4', '66-18=48'] Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,12 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[18, 56, 66, 14], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [18, 66, 4] Generated Node #0,1: 12:[18, 66, 4] Operation: 56/14=4 Moving to Node #0,1 Current State: 12:[18, 66, 4], Operations: ['56/14=4'] Exploring Operation: 66-18=48, Resulting Numbers: [4, 48] Generated Node #0,1,1: 12:[4, 48] Operation: 66-18=48 Moving to Node #0,1,1 Current State: 12:[4, 48], Operations: ['56/14=4', '66-18=48'] Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 19, 9, 19, 86 ]
95
[ "19+9=28", "86-19=67", "28+67=95" ]
Current State: 95:[19, 9, 19, 86], Operations: [] Exploring Operation: 19+9=28, Resulting Numbers: [86, 28] Generated Node #2: [86, 28] from Operation: 19+9=28 Current State: 95:[86, 28], Operations: ['19+9=28'] Exploring Operation: 86-19=67, Resulting Numbers: [28, 67] Generated Node #3: [28, 67] from Operation: 86-19=67 Current State: 95:[28, 67], Operations: ['19+9=28', '86-19=67'] Exploring Operation: 28+67=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[19, 9, 19, 86], Operations: [] Exploring Operation: 19-9=10, Resulting Numbers: [19, 86, 10] Generated Node #0,0: 95:[19, 86, 10] Operation: 19-9=10 Exploring Operation: 19-9=10, Resulting Numbers: [19, 86, 10] Generated Node #0,1: 95:[19, 86, 10] Operation: 19-9=10 Exploring Operation: 19+86=105, Resulting Numbers: [9, 19, 105] Generated Node #0,2: 95:[9, 19, 105] Operation: 19+86=105 Exploring Operation: 9+86=95, Resulting Numbers: [19, 19, 95] Generated Node #0,3: 95:[19, 19, 95] Operation: 9+86=95 Start Sub Search at level 1: Moving to Node #0,3 Current State: 95:[19, 19, 95], Operations: ['9+86=95'] Exploring Operation: 19-19=0, Resulting Numbers: [95, 0] Generated Node #0,3,0: 95:[95, 0] Operation: 19-19=0 Exploring Operation: 95/19=5, Resulting Numbers: [19, 5] Generated Node #0,3,1: 95:[19, 5] Operation: 95/19=5 Exploring Operation: 95/19=5, Resulting Numbers: [19, 5] Generated Node #0,3,2: 95:[19, 5] Operation: 95/19=5 Exploring Operation: 19/19=1, Resulting Numbers: [95, 1] Generated Node #0,3,3: 95:[95, 1] Operation: 19/19=1 Moving to Node #0,3,1 Current State: 95:[19, 5], Operations: ['9+86=95', '95/19=5'] Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,95 unequal: No Solution Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,95 unequal: No Solution Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[19, 9, 19, 86], Operations: [] Exploring Operation: 9+86=95, Resulting Numbers: [19, 19, 95] Generated Node #0,3: 95:[19, 19, 95] Operation: 9+86=95 Moving to Node #0,3 Current State: 95:[19, 19, 95], Operations: ['9+86=95'] Exploring Operation: 95/19=5, Resulting Numbers: [19, 5] Generated Node #0,3,1: 95:[19, 5] Operation: 95/19=5 Moving to Node #0,3,1 Current State: 95:[19, 5], Operations: ['9+86=95', '95/19=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 39, 35, 2, 4 ]
99
[ "39+2=41", "35*4=140", "140-41=99" ]
Current State: 99:[39, 35, 2, 4], Operations: [] Exploring Operation: 39+2=41, Resulting Numbers: [35, 4, 41] Generated Node #2: [35, 4, 41] from Operation: 39+2=41 Current State: 99:[35, 4, 41], Operations: ['39+2=41'] Exploring Operation: 35*4=140, Resulting Numbers: [41, 140] Generated Node #3: [41, 140] from Operation: 35*4=140 Current State: 99:[41, 140], Operations: ['39+2=41', '35*4=140'] Exploring Operation: 140-41=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[39, 35, 2, 4], Operations: [] Exploring Operation: 39-4=35, Resulting Numbers: [35, 2, 35] Generated Node #0,0: 99:[35, 2, 35] Operation: 39-4=35 Exploring Operation: 39-35=4, Resulting Numbers: [2, 4, 4] Generated Node #0,1: 99:[2, 4, 4] Operation: 39-35=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[2, 4, 4], Operations: ['39-35=4'] Exploring Operation: 4-2=2, Resulting Numbers: [4, 2] Generated Node #0,1,0: 99:[4, 2] Operation: 4-2=2 Exploring Operation: 2*4=8, Resulting Numbers: [4, 8] Generated Node #0,1,1: 99:[4, 8] Operation: 2*4=8 Moving to Node #0,1,0 Current State: 99:[4, 2], Operations: ['39-35=4', '4-2=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[4, 8], Operations: ['39-35=4', '2*4=8'] Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[35, 2, 35], Operations: ['39-4=35'] Exploring Operation: 35-2=33, Resulting Numbers: [35, 33] Generated Node #0,0,0: 99:[35, 33] Operation: 35-2=33 Exploring Operation: 35-2=33, Resulting Numbers: [35, 33] Generated Node #0,0,1: 99:[35, 33] Operation: 35-2=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 99:[35, 33], Operations: ['39-4=35', '35-2=33'] Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 35+33=68, Resulting Numbers: [68] 68,99 unequal: No Solution No 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: 99:[35, 33], Operations: ['39-4=35', '35-2=33'] Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 35+33=68, Resulting Numbers: [68] 68,99 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
[ 9, 71, 36, 10 ]
57
[ "36/9=4", "71-10=61", "61-4=57" ]
Current State: 57:[9, 71, 36, 10], Operations: [] Exploring Operation: 36/9=4, Resulting Numbers: [71, 10, 4] Generated Node #2: [71, 10, 4] from Operation: 36/9=4 Current State: 57:[71, 10, 4], Operations: ['36/9=4'] Exploring Operation: 71-10=61, Resulting Numbers: [4, 61] Generated Node #3: [4, 61] from Operation: 71-10=61 Current State: 57:[4, 61], Operations: ['36/9=4', '71-10=61'] Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[9, 71, 36, 10], Operations: [] Exploring Operation: 36-10=26, Resulting Numbers: [9, 71, 26] Generated Node #0,0: 57:[9, 71, 26] Operation: 36-10=26 Exploring Operation: 36-9=27, Resulting Numbers: [71, 10, 27] Generated Node #0,1: 57:[71, 10, 27] Operation: 36-9=27 Exploring Operation: 36/9=4, Resulting Numbers: [71, 10, 4] Generated Node #0,2: 57:[71, 10, 4] Operation: 36/9=4 Exploring Operation: 71-10=61, Resulting Numbers: [9, 36, 61] Generated Node #0,3: 57:[9, 36, 61] Operation: 71-10=61 Exploring Operation: 71-9=62, Resulting Numbers: [36, 10, 62] Generated Node #0,4: 57:[36, 10, 62] Operation: 71-9=62 Moving to Node #0,2 Current State: 57:[71, 10, 4], Operations: ['36/9=4'] Exploring Operation: 71+10=81, Resulting Numbers: [4, 81] Generated Node #0,2,0: 57:[4, 81] Operation: 71+10=81 Exploring Operation: 71-4=67, Resulting Numbers: [10, 67] Generated Node #0,2,1: 57:[10, 67] Operation: 71-4=67 Exploring Operation: 10+4=14, Resulting Numbers: [71, 14] Generated Node #0,2,2: 57:[71, 14] Operation: 10+4=14 Exploring Operation: 71-10=61, Resulting Numbers: [4, 61] Generated Node #0,2,3: 57:[4, 61] Operation: 71-10=61 Exploring Operation: 10-4=6, Resulting Numbers: [71, 6] Generated Node #0,2,4: 57:[71, 6] Operation: 10-4=6 Moving to Node #0,3 Current State: 57:[9, 36, 61], Operations: ['71-10=61'] Exploring Operation: 9+36=45, Resulting Numbers: [61, 45] Generated Node #0,3,0: 57:[61, 45] Operation: 9+36=45 Exploring Operation: 61-9=52, Resulting Numbers: [36, 52] Generated Node #0,3,1: 57:[36, 52] Operation: 61-9=52 Exploring Operation: 36-9=27, Resulting Numbers: [61, 27] Generated Node #0,3,2: 57:[61, 27] Operation: 36-9=27 Exploring Operation: 36/9=4, Resulting Numbers: [61, 4] Generated Node #0,3,3: 57:[61, 4] Operation: 36/9=4 Exploring Operation: 61-36=25, Resulting Numbers: [9, 25] Generated Node #0,3,4: 57:[9, 25] Operation: 61-36=25 Moving to Node #0,0 Current State: 57:[9, 71, 26], Operations: ['36-10=26'] Exploring Operation: 71-9=62, Resulting Numbers: [26, 62] Generated Node #0,0,0: 57:[26, 62] Operation: 71-9=62 Exploring Operation: 71-26=45, Resulting Numbers: [9, 45] Generated Node #0,0,1: 57:[9, 45] Operation: 71-26=45 Exploring Operation: 9+71=80, Resulting Numbers: [26, 80] Generated Node #0,0,2: 57:[26, 80] Operation: 9+71=80 Exploring Operation: 9+26=35, Resulting Numbers: [71, 35] Generated Node #0,0,3: 57:[71, 35] Operation: 9+26=35 Exploring Operation: 26-9=17, Resulting Numbers: [71, 17] Generated Node #0,0,4: 57:[71, 17] Operation: 26-9=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 57:[26, 62], Operations: ['36-10=26', '71-9=62'] Exploring Operation: 26+62=88, Resulting Numbers: [88] 88,57 unequal: No Solution Exploring Operation: 26*62=1612, Resulting Numbers: [1612] 1612,57 unequal: No Solution Exploring Operation: 62-26=36, Resulting Numbers: [36] 36,57 unequal: No Solution No 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: 57:[71, 17], Operations: ['36-10=26', '26-9=17'] Exploring Operation: 71+17=88, Resulting Numbers: [88] 88,57 unequal: No Solution Exploring Operation: 71*17=1207, Resulting Numbers: [1207] 1207,57 unequal: No Solution Exploring Operation: 71-17=54, Resulting Numbers: [54] 54,57 unequal: No Solution No 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: 57:[9, 45], Operations: ['36-10=26', '71-26=45'] Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,57 unequal: No Solution Exploring Operation: 9*45=405, Resulting Numbers: [405] 405,57 unequal: No Solution Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,57 unequal: No Solution No 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: 57:[26, 80], Operations: ['36-10=26', '9+71=80'] Exploring Operation: 80-26=54, Resulting Numbers: [54] 54,57 unequal: No Solution Exploring Operation: 26*80=2080, Resulting Numbers: [2080] 2080,57 unequal: No Solution Exploring Operation: 26+80=106, Resulting Numbers: [106] 106,57 unequal: No Solution No 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: 57:[71, 35], Operations: ['36-10=26', '9+26=35'] Exploring Operation: 71*35=2485, Resulting Numbers: [2485] 2485,57 unequal: No Solution Exploring Operation: 71+35=106, Resulting Numbers: [106] 106,57 unequal: No Solution Exploring Operation: 71-35=36, Resulting Numbers: [36] 36,57 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: 57:[71, 10, 27], Operations: ['36-9=27'] Exploring Operation: 71-27=44, Resulting Numbers: [10, 44] Generated Node #0,1,0: 57:[10, 44] Operation: 71-27=44 Exploring Operation: 27-10=17, Resulting Numbers: [71, 17] Generated Node #0,1,1: 57:[71, 17] Operation: 27-10=17 Exploring Operation: 10+27=37, Resulting Numbers: [71, 37] Generated Node #0,1,2: 57:[71, 37] Operation: 10+27=37 Exploring Operation: 71-10=61, Resulting Numbers: [27, 61] Generated Node #0,1,3: 57:[27, 61] Operation: 71-10=61 Exploring Operation: 71+10=81, Resulting Numbers: [27, 81] Generated Node #0,1,4: 57:[27, 81] Operation: 71+10=81 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 57:[27, 61], Operations: ['36-9=27', '71-10=61'] Exploring Operation: 61-27=34, Resulting Numbers: [34] 34,57 unequal: No Solution Exploring Operation: 27+61=88, Resulting Numbers: [88] 88,57 unequal: No Solution Exploring Operation: 27*61=1647, Resulting Numbers: [1647] 1647,57 unequal: No Solution No 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: 57:[71, 17], Operations: ['36-9=27', '27-10=17'] Exploring Operation: 71-17=54, Resulting Numbers: [54] 54,57 unequal: No Solution Exploring Operation: 71+17=88, Resulting Numbers: [88] 88,57 unequal: No Solution Exploring Operation: 71*17=1207, Resulting Numbers: [1207] 1207,57 unequal: No Solution No 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: 57:[10, 44], Operations: ['36-9=27', '71-27=44'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,57 unequal: No Solution Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,57 unequal: No Solution Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,57 unequal: No Solution No 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: 57:[71, 37], Operations: ['36-9=27', '10+27=37'] Exploring Operation: 71+37=108, Resulting Numbers: [108] 108,57 unequal: No Solution Exploring Operation: 71*37=2627, Resulting Numbers: [2627] 2627,57 unequal: No Solution Exploring Operation: 71-37=34, Resulting Numbers: [34] 34,57 unequal: No Solution No 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: 57:[27, 81], Operations: ['36-9=27', '71+10=81'] Exploring Operation: 81-27=54, Resulting Numbers: [54] 54,57 unequal: No Solution Exploring Operation: 27+81=108, Resulting Numbers: [108] 108,57 unequal: No Solution Exploring Operation: 81/27=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 27*81=2187, Resulting Numbers: [2187] 2187,57 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: 57:[36, 10, 62], Operations: ['71-9=62'] Exploring Operation: 10+62=72, Resulting Numbers: [36, 72] Generated Node #0,4,0: 57:[36, 72] Operation: 10+62=72 Exploring Operation: 36+10=46, Resulting Numbers: [62, 46] Generated Node #0,4,1: 57:[62, 46] Operation: 36+10=46 Exploring Operation: 36-10=26, Resulting Numbers: [62, 26] Generated Node #0,4,2: 57:[62, 26] Operation: 36-10=26 Exploring Operation: 62-10=52, Resulting Numbers: [36, 52] Generated Node #0,4,3: 57:[36, 52] Operation: 62-10=52 Exploring Operation: 62-36=26, Resulting Numbers: [10, 26] Generated Node #0,4,4: 57:[10, 26] Operation: 62-36=26 Moving to Node #0,2,3 Current State: 57:[4, 61], Operations: ['36/9=4', '71-10=61'] Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[9, 71, 36, 10], Operations: [] Exploring Operation: 36/9=4, Resulting Numbers: [71, 10, 4] Generated Node #0,2: 57:[71, 10, 4] Operation: 36/9=4 Moving to Node #0,2 Current State: 57:[71, 10, 4], Operations: ['36/9=4'] Exploring Operation: 71-10=61, Resulting Numbers: [4, 61] Generated Node #0,2,3: 57:[4, 61] Operation: 71-10=61 Moving to Node #0,2,3 Current State: 57:[4, 61], Operations: ['36/9=4', '71-10=61'] Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.94184
hs_5
sum_heuristic
[ 18, 64, 34, 73 ]
43
[ "18+64=82", "73-34=39", "82-39=43" ]
Current State: 43:[18, 64, 34, 73], Operations: [] Exploring Operation: 18+64=82, Resulting Numbers: [34, 73, 82] Generated Node #2: [34, 73, 82] from Operation: 18+64=82 Current State: 43:[34, 73, 82], Operations: ['18+64=82'] Exploring Operation: 73-34=39, Resulting Numbers: [82, 39] Generated Node #3: [82, 39] from Operation: 73-34=39 Current State: 43:[82, 39], Operations: ['18+64=82', '73-34=39'] Exploring Operation: 82-39=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[18, 64, 34, 73], Operations: [] Exploring Operation: 73-18=55, Resulting Numbers: [64, 34, 55] Generated Node #0,0: 43:[64, 34, 55] Operation: 73-18=55 Exploring Operation: 64-18=46, Resulting Numbers: [34, 73, 46] Generated Node #0,1: 43:[34, 73, 46] Operation: 64-18=46 Exploring Operation: 18+34=52, Resulting Numbers: [64, 73, 52] Generated Node #0,2: 43:[64, 73, 52] Operation: 18+34=52 Exploring Operation: 73-34=39, Resulting Numbers: [18, 64, 39] Generated Node #0,3: 43:[18, 64, 39] Operation: 73-34=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[64, 34, 55], Operations: ['73-18=55'] Exploring Operation: 64-34=30, Resulting Numbers: [55, 30] Generated Node #0,0,0: 43:[55, 30] Operation: 64-34=30 Exploring Operation: 64-55=9, Resulting Numbers: [34, 9] Generated Node #0,0,1: 43:[34, 9] Operation: 64-55=9 Exploring Operation: 64+34=98, Resulting Numbers: [55, 98] Generated Node #0,0,2: 43:[55, 98] Operation: 64+34=98 Exploring Operation: 55-34=21, Resulting Numbers: [64, 21] Generated Node #0,0,3: 43:[64, 21] Operation: 55-34=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[55, 30], Operations: ['73-18=55', '64-34=30'] Exploring Operation: 55+30=85, Resulting Numbers: [85] 85,43 unequal: No Solution Exploring Operation: 55-30=25, Resulting Numbers: [25] 25,43 unequal: No Solution Exploring Operation: 55*30=1650, Resulting Numbers: [1650] 1650,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[34, 9], Operations: ['73-18=55', '64-55=9'] Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,43 unequal: No Solution Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,43 unequal: No Solution Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[18, 64, 34, 73], Operations: [] Exploring Operation: 73-18=55, Resulting Numbers: [64, 34, 55] Generated Node #0,0: 43:[64, 34, 55] Operation: 73-18=55 Moving to Node #0,0 Current State: 43:[64, 34, 55], Operations: ['73-18=55'] Exploring Operation: 64-55=9, Resulting Numbers: [34, 9] Generated Node #0,0,1: 43:[34, 9] Operation: 64-55=9 Moving to Node #0,0,1 Current State: 43:[34, 9], Operations: ['73-18=55', '64-55=9'] Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 36, 18, 48, 6 ]
80
[ "36-6=30", "48*30=1440", "1440/18=80" ]
Current State: 80:[36, 18, 48, 6], Operations: [] Exploring Operation: 36-6=30, Resulting Numbers: [18, 48, 30] Generated Node #2: [18, 48, 30] from Operation: 36-6=30 Current State: 80:[18, 48, 30], Operations: ['36-6=30'] Exploring Operation: 48*30=1440, Resulting Numbers: [18, 1440] Generated Node #3: [18, 1440] from Operation: 48*30=1440 Current State: 80:[18, 1440], Operations: ['36-6=30', '48*30=1440'] Exploring Operation: 1440/18=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[36, 18, 48, 6], Operations: [] Exploring Operation: 48-36=12, Resulting Numbers: [18, 6, 12] Generated Node #0,0: 80:[18, 6, 12] Operation: 48-36=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[18, 6, 12], Operations: ['48-36=12'] Exploring Operation: 18-12=6, Resulting Numbers: [6, 6] Generated Node #0,0,0: 80:[6, 6] Operation: 18-12=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[6, 6], Operations: ['48-36=12', '18-12=6'] Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,80 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_1
sum_heuristic
[ 37, 15, 46, 3 ]
45
[ "46-37=9", "15/3=5", "9*5=45" ]
Current State: 45:[37, 15, 46, 3], Operations: [] Exploring Operation: 46-37=9, Resulting Numbers: [15, 3, 9] Generated Node #2: [15, 3, 9] from Operation: 46-37=9 Current State: 45:[15, 3, 9], Operations: ['46-37=9'] Exploring Operation: 15/3=5, Resulting Numbers: [9, 5] Generated Node #3: [9, 5] from Operation: 15/3=5 Current State: 45:[9, 5], Operations: ['46-37=9', '15/3=5'] Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[37, 15, 46, 3], Operations: [] Exploring Operation: 37+3=40, Resulting Numbers: [15, 46, 40] Generated Node #0,0: 45:[15, 46, 40] Operation: 37+3=40 Exploring Operation: 37+15=52, Resulting Numbers: [46, 3, 52] Generated Node #0,1: 45:[46, 3, 52] Operation: 37+15=52 Exploring Operation: 46-37=9, Resulting Numbers: [15, 3, 9] Generated Node #0,2: 45:[15, 3, 9] Operation: 46-37=9 Exploring Operation: 37-15=22, Resulting Numbers: [46, 3, 22] Generated Node #0,3: 45:[46, 3, 22] Operation: 37-15=22 Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[15, 3, 9], Operations: ['46-37=9'] Exploring Operation: 15*3=45, Resulting Numbers: [9, 45] Generated Node #0,2,0: 45:[9, 45] Operation: 15*3=45 Exploring Operation: 15-9=6, Resulting Numbers: [3, 6] Generated Node #0,2,1: 45:[3, 6] Operation: 15-9=6 Exploring Operation: 15/3=5, Resulting Numbers: [9, 5] Generated Node #0,2,2: 45:[9, 5] Operation: 15/3=5 Exploring Operation: 9/3=3, Resulting Numbers: [15, 3] Generated Node #0,2,3: 45:[15, 3] Operation: 9/3=3 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 45:[9, 45], Operations: ['46-37=9', '15*3=45'] Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,45 unequal: No Solution Exploring Operation: 9*45=405, Resulting Numbers: [405] 405,45 unequal: No Solution Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,45 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 45:[9, 5], Operations: ['46-37=9', '15/3=5'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,45 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,45 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[37, 15, 46, 3], Operations: [] Exploring Operation: 46-37=9, Resulting Numbers: [15, 3, 9] Generated Node #0,2: 45:[15, 3, 9] Operation: 46-37=9 Moving to Node #0,2 Current State: 45:[15, 3, 9], Operations: ['46-37=9'] Exploring Operation: 15/3=5, Resulting Numbers: [9, 5] Generated Node #0,2,2: 45:[9, 5] Operation: 15/3=5 Moving to Node #0,2,2 Current State: 45:[9, 5], Operations: ['46-37=9', '15/3=5'] Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 43, 62, 35, 25 ]
28
[ "43+62=105", "105/35=3", "25+3=28" ]
Current State: 28:[43, 62, 35, 25], Operations: [] Exploring Operation: 43+62=105, Resulting Numbers: [35, 25, 105] Generated Node #2: [35, 25, 105] from Operation: 43+62=105 Current State: 28:[35, 25, 105], Operations: ['43+62=105'] Exploring Operation: 105/35=3, Resulting Numbers: [25, 3] Generated Node #3: [25, 3] from Operation: 105/35=3 Current State: 28:[25, 3], Operations: ['43+62=105', '105/35=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[43, 62, 35, 25], Operations: [] Exploring Operation: 62-43=19, Resulting Numbers: [35, 25, 19] Generated Node #0,0: 28:[35, 25, 19] Operation: 62-43=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[35, 25, 19], Operations: ['62-43=19'] Exploring Operation: 35-19=16, Resulting Numbers: [25, 16] Generated Node #0,0,0: 28:[25, 16] Operation: 35-19=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[25, 16], Operations: ['62-43=19', '35-19=16'] Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 4, 67, 28, 22 ]
21
[ "4+67=71", "28+22=50", "71-50=21" ]
Current State: 21:[4, 67, 28, 22], Operations: [] Exploring Operation: 4+67=71, Resulting Numbers: [28, 22, 71] Generated Node #2: [28, 22, 71] from Operation: 4+67=71 Current State: 21:[28, 22, 71], Operations: ['4+67=71'] Exploring Operation: 28+22=50, Resulting Numbers: [71, 50] Generated Node #3: [71, 50] from Operation: 28+22=50 Current State: 21:[71, 50], Operations: ['4+67=71', '28+22=50'] Exploring Operation: 71-50=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[4, 67, 28, 22], Operations: [] Exploring Operation: 67-22=45, Resulting Numbers: [4, 28, 45] Generated Node #0,0: 21:[4, 28, 45] Operation: 67-22=45 Exploring Operation: 67-28=39, Resulting Numbers: [4, 22, 39] Generated Node #0,1: 21:[4, 22, 39] Operation: 67-28=39 Exploring Operation: 28-22=6, Resulting Numbers: [4, 67, 6] Generated Node #0,2: 21:[4, 67, 6] Operation: 28-22=6 Exploring Operation: 67-4=63, Resulting Numbers: [28, 22, 63] Generated Node #0,3: 21:[28, 22, 63] Operation: 67-4=63 Exploring Operation: 28/4=7, Resulting Numbers: [67, 22, 7] Generated Node #0,4: 21:[67, 22, 7] Operation: 28/4=7 Moving to Node #0,1 Current State: 21:[4, 22, 39], Operations: ['67-28=39'] Exploring Operation: 39-22=17, Resulting Numbers: [4, 17] Generated Node #0,1,0: 21:[4, 17] Operation: 39-22=17 Exploring Operation: 4+22=26, Resulting Numbers: [39, 26] Generated Node #0,1,1: 21:[39, 26] Operation: 4+22=26 Exploring Operation: 4+39=43, Resulting Numbers: [22, 43] Generated Node #0,1,2: 21:[22, 43] Operation: 4+39=43 Exploring Operation: 22-4=18, Resulting Numbers: [39, 18] Generated Node #0,1,3: 21:[39, 18] Operation: 22-4=18 Exploring Operation: 39-4=35, Resulting Numbers: [22, 35] Generated Node #0,1,4: 21:[22, 35] Operation: 39-4=35 Moving to Node #0,0 Current State: 21:[4, 28, 45], Operations: ['67-22=45'] Exploring Operation: 45-4=41, Resulting Numbers: [28, 41] Generated Node #0,0,0: 21:[28, 41] Operation: 45-4=41 Exploring Operation: 28-4=24, Resulting Numbers: [45, 24] Generated Node #0,0,1: 21:[45, 24] Operation: 28-4=24 Exploring Operation: 45-28=17, Resulting Numbers: [4, 17] Generated Node #0,0,2: 21:[4, 17] Operation: 45-28=17 Exploring Operation: 4+28=32, Resulting Numbers: [45, 32] Generated Node #0,0,3: 21:[45, 32] Operation: 4+28=32 Exploring Operation: 28/4=7, Resulting Numbers: [45, 7] Generated Node #0,0,4: 21:[45, 7] Operation: 28/4=7 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 21:[4, 17], Operations: ['67-22=45', '45-28=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[4, 67, 28, 22], Operations: [] Exploring Operation: 67-22=45, Resulting Numbers: [4, 28, 45] Generated Node #0,0: 21:[4, 28, 45] Operation: 67-22=45 Moving to Node #0,0 Current State: 21:[4, 28, 45], Operations: ['67-22=45'] Exploring Operation: 45-28=17, Resulting Numbers: [4, 17] Generated Node #0,0,2: 21:[4, 17] Operation: 45-28=17 Moving to Node #0,0,2 Current State: 21:[4, 17], Operations: ['67-22=45', '45-28=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 9, 6, 70, 48 ]
38
[ "6*48=288", "288/9=32", "70-32=38" ]
Current State: 38:[9, 6, 70, 48], Operations: [] Exploring Operation: 6*48=288, Resulting Numbers: [9, 70, 288] Generated Node #2: [9, 70, 288] from Operation: 6*48=288 Current State: 38:[9, 70, 288], Operations: ['6*48=288'] Exploring Operation: 288/9=32, Resulting Numbers: [70, 32] Generated Node #3: [70, 32] from Operation: 288/9=32 Current State: 38:[70, 32], Operations: ['6*48=288', '288/9=32'] Exploring Operation: 70-32=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[9, 6, 70, 48], Operations: [] Exploring Operation: 70-48=22, Resulting Numbers: [9, 6, 22] Generated Node #0,0: 38:[9, 6, 22] Operation: 70-48=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[9, 6, 22], Operations: ['70-48=22'] Exploring Operation: 9-6=3, Resulting Numbers: [22, 3] Generated Node #0,0,0: 38:[22, 3] Operation: 9-6=3 Moving to Node #0,0,0 Current State: 38:[22, 3], Operations: ['70-48=22', '9-6=3'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,38 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
[ 19, 64, 20, 76 ]
80
[ "76/19=4", "64+20=84", "84-4=80" ]
Current State: 80:[19, 64, 20, 76], Operations: [] Exploring Operation: 76/19=4, Resulting Numbers: [64, 20, 4] Generated Node #2: [64, 20, 4] from Operation: 76/19=4 Current State: 80:[64, 20, 4], Operations: ['76/19=4'] Exploring Operation: 64+20=84, Resulting Numbers: [4, 84] Generated Node #3: [4, 84] from Operation: 64+20=84 Current State: 80:[4, 84], Operations: ['76/19=4', '64+20=84'] Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[19, 64, 20, 76], Operations: [] Exploring Operation: 76-64=12, Resulting Numbers: [19, 20, 12] Generated Node #0,0: 80:[19, 20, 12] Operation: 76-64=12 Exploring Operation: 64+20=84, Resulting Numbers: [19, 76, 84] Generated Node #0,1: 80:[19, 76, 84] Operation: 64+20=84 Exploring Operation: 64-19=45, Resulting Numbers: [20, 76, 45] Generated Node #0,2: 80:[20, 76, 45] Operation: 64-19=45 Exploring Operation: 19+64=83, Resulting Numbers: [20, 76, 83] Generated Node #0,3: 80:[20, 76, 83] Operation: 19+64=83 Moving to Node #0,0 Current State: 80:[19, 20, 12], Operations: ['76-64=12'] Exploring Operation: 20-19=1, Resulting Numbers: [12, 1] Generated Node #0,0,0: 80:[12, 1] Operation: 20-19=1 Exploring Operation: 19-12=7, Resulting Numbers: [20, 7] Generated Node #0,0,1: 80:[20, 7] Operation: 19-12=7 Exploring Operation: 20-12=8, Resulting Numbers: [19, 8] Generated Node #0,0,2: 80:[19, 8] Operation: 20-12=8 Exploring Operation: 19+20=39, Resulting Numbers: [12, 39] Generated Node #0,0,3: 80:[12, 39] Operation: 19+20=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[20, 7], Operations: ['76-64=12', '19-12=7'] Exploring Operation: 20*7=140, Resulting Numbers: [140] 140,80 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,80 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 #0,0,2 Current State: 80:[19, 8], Operations: ['76-64=12', '20-12=8'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,80 unequal: No Solution Exploring Operation: 19*8=152, Resulting Numbers: [152] 152,80 unequal: No Solution Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,80 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 #0,0,0 Current State: 80:[12, 1], Operations: ['76-64=12', '20-19=1'] Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,80 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,80 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,80 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,80 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 #0,0,3 Current State: 80:[12, 39], Operations: ['76-64=12', '19+20=39'] Exploring Operation: 12+39=51, Resulting Numbers: [51] 51,80 unequal: No Solution Exploring Operation: 12*39=468, Resulting Numbers: [468] 468,80 unequal: No Solution Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,80 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: 80:[20, 76, 83], Operations: ['19+64=83'] Exploring Operation: 83-20=63, Resulting Numbers: [76, 63] Generated Node #0,3,0: 80:[76, 63] Operation: 83-20=63 Exploring Operation: 83-76=7, Resulting Numbers: [20, 7] Generated Node #0,3,1: 80:[20, 7] Operation: 83-76=7 Exploring Operation: 20+76=96, Resulting Numbers: [83, 96] Generated Node #0,3,2: 80:[83, 96] Operation: 20+76=96 Exploring Operation: 76-20=56, Resulting Numbers: [83, 56] Generated Node #0,3,3: 80:[83, 56] Operation: 76-20=56 Moving to Node #0,2 Current State: 80:[20, 76, 45], Operations: ['64-19=45'] Exploring Operation: 20+76=96, Resulting Numbers: [45, 96] Generated Node #0,2,0: 80:[45, 96] Operation: 20+76=96 Exploring Operation: 45-20=25, Resulting Numbers: [76, 25] Generated Node #0,2,1: 80:[76, 25] Operation: 45-20=25 Exploring Operation: 20+45=65, Resulting Numbers: [76, 65] Generated Node #0,2,2: 80:[76, 65] Operation: 20+45=65 Exploring Operation: 76-45=31, Resulting Numbers: [20, 31] Generated Node #0,2,3: 80:[20, 31] Operation: 76-45=31 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 80:[76, 25], Operations: ['64-19=45', '45-20=25'] Exploring Operation: 76+25=101, Resulting Numbers: [101] 101,80 unequal: No Solution Exploring Operation: 76-25=51, Resulting Numbers: [51] 51,80 unequal: No Solution Exploring Operation: 76*25=1900, Resulting Numbers: [1900] 1900,80 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 #0,2,3 Current State: 80:[20, 31], Operations: ['64-19=45', '76-45=31'] Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,80 unequal: No Solution Exploring Operation: 20*31=620, Resulting Numbers: [620] 620,80 unequal: No Solution Exploring Operation: 20+31=51, Resulting Numbers: [51] 51,80 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 #0,2,2 Current State: 80:[76, 65], Operations: ['64-19=45', '20+45=65'] Exploring Operation: 76-65=11, Resulting Numbers: [11] 11,80 unequal: No Solution Exploring Operation: 76*65=4940, Resulting Numbers: [4940] 4940,80 unequal: No Solution Exploring Operation: 76+65=141, Resulting Numbers: [141] 141,80 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 #0,2,0 Current State: 80:[45, 96], Operations: ['64-19=45', '20+76=96'] Exploring Operation: 45+96=141, Resulting Numbers: [141] 141,80 unequal: No Solution Exploring Operation: 96-45=51, Resulting Numbers: [51] 51,80 unequal: No Solution Exploring Operation: 45*96=4320, Resulting Numbers: [4320] 4320,80 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: 80:[19, 76, 84], Operations: ['64+20=84'] Exploring Operation: 76/19=4, Resulting Numbers: [84, 4] Generated Node #0,1,0: 80:[84, 4] Operation: 76/19=4 Exploring Operation: 84-76=8, Resulting Numbers: [19, 8] Generated Node #0,1,1: 80:[19, 8] Operation: 84-76=8 Exploring Operation: 84-19=65, Resulting Numbers: [76, 65] Generated Node #0,1,2: 80:[76, 65] Operation: 84-19=65 Exploring Operation: 19+76=95, Resulting Numbers: [84, 95] Generated Node #0,1,3: 80:[84, 95] Operation: 19+76=95 Moving to Node #0,3,1 Current State: 80:[20, 7], Operations: ['19+64=83', '83-76=7'] Exploring Operation: 20*7=140, Resulting Numbers: [140] 140,80 unequal: No Solution Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,80 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[19, 8], Operations: ['64+20=84', '84-76=8'] Exploring Operation: 19*8=152, Resulting Numbers: [152] 152,80 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,80 unequal: No Solution Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[84, 4], Operations: ['64+20=84', '76/19=4'] Exploring Operation: 84/4=21, Resulting Numbers: [21] 21,80 unequal: No Solution Exploring Operation: 84+4=88, Resulting Numbers: [88] 88,80 unequal: No Solution Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[19, 64, 20, 76], Operations: [] Exploring Operation: 64+20=84, Resulting Numbers: [19, 76, 84] Generated Node #0,1: 80:[19, 76, 84] Operation: 64+20=84 Moving to Node #0,1 Current State: 80:[19, 76, 84], Operations: ['64+20=84'] Exploring Operation: 76/19=4, Resulting Numbers: [84, 4] Generated Node #0,1,0: 80:[84, 4] Operation: 76/19=4 Moving to Node #0,1,0 Current State: 80:[84, 4], Operations: ['64+20=84', '76/19=4'] Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
0.949653
hs_4
mult_heuristic
[ 12, 70, 85, 34 ]
16
[ "70*34=2380", "2380/85=28", "28-12=16" ]
Current State: 16:[12, 70, 85, 34], Operations: [] Exploring Operation: 70*34=2380, Resulting Numbers: [12, 85, 2380] Generated Node #2: [12, 85, 2380] from Operation: 70*34=2380 Current State: 16:[12, 85, 2380], Operations: ['70*34=2380'] Exploring Operation: 2380/85=28, Resulting Numbers: [12, 28] Generated Node #3: [12, 28] from Operation: 2380/85=28 Current State: 16:[12, 28], Operations: ['70*34=2380', '2380/85=28'] Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[12, 70, 85, 34], Operations: [] Exploring Operation: 85-70=15, Resulting Numbers: [12, 34, 15] Generated Node #0,0: 16:[12, 34, 15] Operation: 85-70=15 Exploring Operation: 70-34=36, Resulting Numbers: [12, 85, 36] Generated Node #0,1: 16:[12, 85, 36] Operation: 70-34=36 Moving to Node #0,0 Current State: 16:[12, 34, 15], Operations: ['85-70=15'] Exploring Operation: 34-15=19, Resulting Numbers: [12, 19] Generated Node #0,0,0: 16:[12, 19] Operation: 34-15=19 Exploring Operation: 34-12=22, Resulting Numbers: [15, 22] Generated Node #0,0,1: 16:[15, 22] Operation: 34-12=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[12, 19], Operations: ['85-70=15', '34-15=19'] Exploring Operation: 12+19=31, Resulting Numbers: [31] 31,16 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[15, 22], Operations: ['85-70=15', '34-12=22'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 16:[12, 85, 36], Operations: ['70-34=36'] Exploring Operation: 36/12=3, Resulting Numbers: [85, 3] Generated Node #0,1,0: 16:[85, 3] Operation: 36/12=3 Exploring Operation: 85-36=49, Resulting Numbers: [12, 49] Generated Node #0,1,1: 16:[12, 49] Operation: 85-36=49 Moving to Node #0,1,1 Current State: 16:[12, 49], Operations: ['70-34=36', '85-36=49'] Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,16 unequal: No Solution Exploring Operation: 12+49=61, Resulting Numbers: [61] 61,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[85, 3], Operations: ['70-34=36', '36/12=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,16 unequal: No Solution Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,16 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 25, 80, 6, 9 ]
16
[ "25+80=105", "105-9=96", "96/6=16" ]
Current State: 16:[25, 80, 6, 9], Operations: [] Exploring Operation: 25+80=105, Resulting Numbers: [6, 9, 105] Generated Node #2: [6, 9, 105] from Operation: 25+80=105 Current State: 16:[6, 9, 105], Operations: ['25+80=105'] Exploring Operation: 105-9=96, Resulting Numbers: [6, 96] Generated Node #3: [6, 96] from Operation: 105-9=96 Current State: 16:[6, 96], Operations: ['25+80=105', '105-9=96'] Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[25, 80, 6, 9], Operations: [] Exploring Operation: 80-25=55, Resulting Numbers: [6, 9, 55] Generated Node #0,0: 16:[6, 9, 55] Operation: 80-25=55 Exploring Operation: 80-9=71, Resulting Numbers: [25, 6, 71] Generated Node #0,1: 16:[25, 6, 71] Operation: 80-9=71 Exploring Operation: 25-9=16, Resulting Numbers: [80, 6, 16] Generated Node #0,2: 16:[80, 6, 16] Operation: 25-9=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[6, 9, 55], Operations: ['80-25=55'] Exploring Operation: 55-6=49, Resulting Numbers: [9, 49] Generated Node #0,0,0: 16:[9, 49] Operation: 55-6=49 Exploring Operation: 6+9=15, Resulting Numbers: [55, 15] Generated Node #0,0,1: 16:[55, 15] Operation: 6+9=15 Exploring Operation: 55-9=46, Resulting Numbers: [6, 46] Generated Node #0,0,2: 16:[6, 46] Operation: 55-9=46 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 16:[6, 46], Operations: ['80-25=55', '55-9=46'] Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,16 unequal: No Solution Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,16 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[9, 49], Operations: ['80-25=55', '55-6=49'] Exploring Operation: 9*49=441, Resulting Numbers: [441] 441,16 unequal: No Solution Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 9+49=58, Resulting Numbers: [58] 58,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 16:[55, 15], Operations: ['80-25=55', '6+9=15'] Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 55*15=825, Resulting Numbers: [825] 825,16 unequal: No Solution Exploring Operation: 55+15=70, Resulting Numbers: [70] 70,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[25, 6, 71], Operations: ['80-9=71'] Exploring Operation: 25-6=19, Resulting Numbers: [71, 19] Generated Node #0,1,0: 16:[71, 19] Operation: 25-6=19 Exploring Operation: 71-6=65, Resulting Numbers: [25, 65] Generated Node #0,1,1: 16:[25, 65] Operation: 71-6=65 Exploring Operation: 71-25=46, Resulting Numbers: [6, 46] Generated Node #0,1,2: 16:[6, 46] Operation: 71-25=46 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 16:[6, 46], Operations: ['80-9=71', '71-25=46'] Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,16 unequal: No Solution Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[71, 19], Operations: ['80-9=71', '25-6=19'] Exploring Operation: 71-19=52, Resulting Numbers: [52] 52,16 unequal: No Solution Exploring Operation: 71*19=1349, Resulting Numbers: [1349] 1349,16 unequal: No Solution Exploring Operation: 71+19=90, Resulting Numbers: [90] 90,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 16:[25, 65], Operations: ['80-9=71', '71-6=65'] Exploring Operation: 65-25=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 25+65=90, Resulting Numbers: [90] 90,16 unequal: No Solution Exploring Operation: 25*65=1625, Resulting Numbers: [1625] 1625,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[80, 6, 16], Operations: ['25-9=16'] Exploring Operation: 80-16=64, Resulting Numbers: [6, 64] Generated Node #0,2,0: 16:[6, 64] Operation: 80-16=64 Exploring Operation: 80-6=74, Resulting Numbers: [16, 74] Generated Node #0,2,1: 16:[16, 74] Operation: 80-6=74 Exploring Operation: 80/16=5, Resulting Numbers: [6, 5] Generated Node #0,2,2: 16:[6, 5] Operation: 80/16=5 Moving to Node #0,2,2 Current State: 16:[6, 5], Operations: ['25-9=16', '80/16=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[6, 64], Operations: ['25-9=16', '80-16=64'] Exploring Operation: 6*64=384, Resulting Numbers: [384] 384,16 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,16 unequal: No Solution Exploring Operation: 6+64=70, Resulting Numbers: [70] 70,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[16, 74], Operations: ['25-9=16', '80-6=74'] Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,16 unequal: No Solution Exploring Operation: 16+74=90, Resulting Numbers: [90] 90,16 unequal: No Solution Exploring Operation: 16*74=1184, Resulting Numbers: [1184] 1184,16 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
[ 53, 83, 2, 83 ]
51
[ "53+83=136", "2+83=85", "136-85=51" ]
Current State: 51:[53, 83, 2, 83], Operations: [] Exploring Operation: 53+83=136, Resulting Numbers: [2, 136] Generated Node #2: [2, 136] from Operation: 53+83=136 Current State: 51:[2, 136], Operations: ['53+83=136'] Exploring Operation: 2+83=85, Resulting Numbers: [136, 85] Generated Node #3: [136, 85] from Operation: 2+83=85 Current State: 51:[136, 85], Operations: ['53+83=136', '2+83=85'] Exploring Operation: 136-85=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[53, 83, 2, 83], Operations: [] Exploring Operation: 83-53=30, Resulting Numbers: [2, 83, 30] Generated Node #0,0: 51:[2, 83, 30] Operation: 83-53=30 Exploring Operation: 83-53=30, Resulting Numbers: [83, 2, 30] Generated Node #0,1: 51:[83, 2, 30] Operation: 83-53=30 Exploring Operation: 83-83=0, Resulting Numbers: [53, 2, 0] Generated Node #0,2: 51:[53, 2, 0] Operation: 83-83=0 Exploring Operation: 83/83=1, Resulting Numbers: [53, 2, 1] Generated Node #0,3: 51:[53, 2, 1] Operation: 83/83=1 Exploring Operation: 53-2=51, Resulting Numbers: [83, 83, 51] Generated Node #0,4: 51:[83, 83, 51] Operation: 53-2=51 Moving to Node #0,3 Current State: 51:[53, 2, 1], Operations: ['83/83=1'] Exploring Operation: 53-1=52, Resulting Numbers: [2, 52] Generated Node #0,3,0: 51:[2, 52] Operation: 53-1=52 Exploring Operation: 2+1=3, Resulting Numbers: [53, 3] Generated Node #0,3,1: 51:[53, 3] Operation: 2+1=3 Exploring Operation: 53-2=51, Resulting Numbers: [1, 51] Generated Node #0,3,2: 51:[1, 51] Operation: 53-2=51 Exploring Operation: 53/1=53, Resulting Numbers: [2, 53] Generated Node #0,3,3: 51:[2, 53] Operation: 53/1=53 Exploring Operation: 53*1=53, Resulting Numbers: [2, 53] Generated Node #0,3,4: 51:[2, 53] Operation: 53*1=53 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 51:[2, 52], Operations: ['83/83=1', '53-1=52'] Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,51 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,51 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 2*52=104, Resulting Numbers: [104] 104,51 unequal: No Solution No 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: 51:[53, 3], Operations: ['83/83=1', '2+1=3'] Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,51 unequal: No Solution Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,51 unequal: No Solution No 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: 51:[1, 51], Operations: ['83/83=1', '53-2=51'] Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[53, 83, 2, 83], Operations: [] Exploring Operation: 83/83=1, Resulting Numbers: [53, 2, 1] Generated Node #0,3: 51:[53, 2, 1] Operation: 83/83=1 Moving to Node #0,3 Current State: 51:[53, 2, 1], Operations: ['83/83=1'] Exploring Operation: 53-2=51, Resulting Numbers: [1, 51] Generated Node #0,3,2: 51:[1, 51] Operation: 53-2=51 Moving to Node #0,3,2 Current State: 51:[1, 51], Operations: ['83/83=1', '53-2=51'] Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 49, 74, 21, 35 ]
59
[ "21*35=735", "735/49=15", "74-15=59" ]
Current State: 59:[49, 74, 21, 35], Operations: [] Exploring Operation: 21*35=735, Resulting Numbers: [49, 74, 735] Generated Node #2: [49, 74, 735] from Operation: 21*35=735 Current State: 59:[49, 74, 735], Operations: ['21*35=735'] Exploring Operation: 735/49=15, Resulting Numbers: [74, 15] Generated Node #3: [74, 15] from Operation: 735/49=15 Current State: 59:[74, 15], Operations: ['21*35=735', '735/49=15'] Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[49, 74, 21, 35], Operations: [] Exploring Operation: 74-21=53, Resulting Numbers: [49, 35, 53] Generated Node #0,0: 59:[49, 35, 53] Operation: 74-21=53 Exploring Operation: 49+21=70, Resulting Numbers: [74, 35, 70] Generated Node #0,1: 59:[74, 35, 70] Operation: 49+21=70 Exploring Operation: 21+35=56, Resulting Numbers: [49, 74, 56] Generated Node #0,2: 59:[49, 74, 56] Operation: 21+35=56 Exploring Operation: 74-35=39, Resulting Numbers: [49, 21, 39] Generated Node #0,3: 59:[49, 21, 39] Operation: 74-35=39 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[49, 74, 56], Operations: ['21+35=56'] Exploring Operation: 74-56=18, Resulting Numbers: [49, 18] Generated Node #0,2,0: 59:[49, 18] Operation: 74-56=18 Exploring Operation: 49+56=105, Resulting Numbers: [74, 105] Generated Node #0,2,1: 59:[74, 105] Operation: 49+56=105 Exploring Operation: 74-49=25, Resulting Numbers: [56, 25] Generated Node #0,2,2: 59:[56, 25] Operation: 74-49=25 Exploring Operation: 49+74=123, Resulting Numbers: [56, 123] Generated Node #0,2,3: 59:[56, 123] Operation: 49+74=123 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 59:[56, 25], Operations: ['21+35=56', '74-49=25'] Exploring Operation: 56*25=1400, Resulting Numbers: [1400] 1400,59 unequal: No Solution Exploring Operation: 56-25=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 56+25=81, Resulting Numbers: [81] 81,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 59:[49, 18], Operations: ['21+35=56', '74-56=18'] Exploring Operation: 49*18=882, Resulting Numbers: [882] 882,59 unequal: No Solution Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,59 unequal: No Solution Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 59:[74, 105], Operations: ['21+35=56', '49+56=105'] Exploring Operation: 74*105=7770, Resulting Numbers: [7770] 7770,59 unequal: No Solution Exploring Operation: 74+105=179, Resulting Numbers: [179] 179,59 unequal: No Solution Exploring Operation: 105-74=31, Resulting Numbers: [31] 31,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 59:[56, 123], Operations: ['21+35=56', '49+74=123'] Exploring Operation: 56*123=6888, Resulting Numbers: [6888] 6888,59 unequal: No Solution Exploring Operation: 56+123=179, Resulting Numbers: [179] 179,59 unequal: No Solution Exploring Operation: 123-56=67, Resulting Numbers: [67] 67,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[49, 35, 53], Operations: ['74-21=53'] Exploring Operation: 49-35=14, Resulting Numbers: [53, 14] Generated Node #0,0,0: 59:[53, 14] Operation: 49-35=14 Exploring Operation: 53-35=18, Resulting Numbers: [49, 18] Generated Node #0,0,1: 59:[49, 18] Operation: 53-35=18 Exploring Operation: 49+35=84, Resulting Numbers: [53, 84] Generated Node #0,0,2: 59:[53, 84] Operation: 49+35=84 Exploring Operation: 35+53=88, Resulting Numbers: [49, 88] Generated Node #0,0,3: 59:[49, 88] Operation: 35+53=88 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 59:[53, 84], Operations: ['74-21=53', '49+35=84'] Exploring Operation: 53+84=137, Resulting Numbers: [137] 137,59 unequal: No Solution Exploring Operation: 53*84=4452, Resulting Numbers: [4452] 4452,59 unequal: No Solution Exploring Operation: 84-53=31, Resulting Numbers: [31] 31,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 59:[49, 88], Operations: ['74-21=53', '35+53=88'] Exploring Operation: 49*88=4312, Resulting Numbers: [4312] 4312,59 unequal: No Solution Exploring Operation: 49+88=137, Resulting Numbers: [137] 137,59 unequal: No Solution Exploring Operation: 88-49=39, Resulting Numbers: [39] 39,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[53, 14], Operations: ['74-21=53', '49-35=14'] Exploring Operation: 53*14=742, Resulting Numbers: [742] 742,59 unequal: No Solution Exploring Operation: 53+14=67, Resulting Numbers: [67] 67,59 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 59:[49, 18], Operations: ['74-21=53', '53-35=18'] Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,59 unequal: No Solution Exploring Operation: 49*18=882, Resulting Numbers: [882] 882,59 unequal: No Solution Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[74, 35, 70], Operations: ['49+21=70'] Exploring Operation: 74-35=39, Resulting Numbers: [70, 39] Generated Node #0,1,0: 59:[70, 39] Operation: 74-35=39 Exploring Operation: 70-35=35, Resulting Numbers: [74, 35] Generated Node #0,1,1: 59:[74, 35] Operation: 70-35=35 Exploring Operation: 35+70=105, Resulting Numbers: [74, 105] Generated Node #0,1,2: 59:[74, 105] Operation: 35+70=105 Exploring Operation: 74+35=109, Resulting Numbers: [70, 109] Generated Node #0,1,3: 59:[70, 109] Operation: 74+35=109 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[70, 39], Operations: ['49+21=70', '74-35=39'] Exploring Operation: 70*39=2730, Resulting Numbers: [2730] 2730,59 unequal: No Solution Exploring Operation: 70+39=109, Resulting Numbers: [109] 109,59 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 59:[74, 35], Operations: ['49+21=70', '70-35=35'] Exploring Operation: 74-35=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 74+35=109, Resulting Numbers: [109] 109,59 unequal: No Solution Exploring Operation: 74*35=2590, Resulting Numbers: [2590] 2590,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 59:[74, 105], Operations: ['49+21=70', '35+70=105'] Exploring Operation: 74+105=179, Resulting Numbers: [179] 179,59 unequal: No Solution Exploring Operation: 74*105=7770, Resulting Numbers: [7770] 7770,59 unequal: No Solution Exploring Operation: 105-74=31, Resulting Numbers: [31] 31,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 59:[70, 109], Operations: ['49+21=70', '74+35=109'] Exploring Operation: 70*109=7630, Resulting Numbers: [7630] 7630,59 unequal: No Solution Exploring Operation: 70+109=179, Resulting Numbers: [179] 179,59 unequal: No Solution Exploring Operation: 109-70=39, Resulting Numbers: [39] 39,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 59:[49, 21, 39], Operations: ['74-35=39'] Exploring Operation: 21+39=60, Resulting Numbers: [49, 60] Generated Node #0,3,0: 59:[49, 60] Operation: 21+39=60 Exploring Operation: 39-21=18, Resulting Numbers: [49, 18] Generated Node #0,3,1: 59:[49, 18] Operation: 39-21=18 Exploring Operation: 49-21=28, Resulting Numbers: [39, 28] Generated Node #0,3,2: 59:[39, 28] Operation: 49-21=28 Exploring Operation: 49+21=70, Resulting Numbers: [39, 70] Generated Node #0,3,3: 59:[39, 70] Operation: 49+21=70 Moving to Node #0,3,0 Current State: 59:[49, 60], Operations: ['74-35=39', '21+39=60'] Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,59 unequal: No Solution Exploring Operation: 49+60=109, Resulting Numbers: [109] 109,59 unequal: No Solution Exploring Operation: 49*60=2940, Resulting Numbers: [2940] 2940,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[39, 70], Operations: ['74-35=39', '49+21=70'] Exploring Operation: 39+70=109, Resulting Numbers: [109] 109,59 unequal: No Solution Exploring Operation: 39*70=2730, Resulting Numbers: [2730] 2730,59 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,59 unequal: No Solution Moving to Node #0,3,2 Current State: 59:[39, 28], Operations: ['74-35=39', '49-21=28'] Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,59 unequal: No Solution Exploring Operation: 39+28=67, Resulting Numbers: [67] 67,59 unequal: No Solution Exploring Operation: 39*28=1092, Resulting Numbers: [1092] 1092,59 unequal: No Solution Moving to Node #0,3,1 Current State: 59:[49, 18], Operations: ['74-35=39', '39-21=18'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,59 unequal: No Solution Exploring Operation: 49*18=882, Resulting Numbers: [882] 882,59 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
[ 72, 33, 32, 88 ]
66
[ "88-72=16", "33*32=1056", "1056/16=66" ]
Current State: 66:[72, 33, 32, 88], Operations: [] Exploring Operation: 88-72=16, Resulting Numbers: [33, 32, 16] Generated Node #2: [33, 32, 16] from Operation: 88-72=16 Current State: 66:[33, 32, 16], Operations: ['88-72=16'] Exploring Operation: 33*32=1056, Resulting Numbers: [16, 1056] Generated Node #3: [16, 1056] from Operation: 33*32=1056 Current State: 66:[16, 1056], Operations: ['88-72=16', '33*32=1056'] Exploring Operation: 1056/16=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[72, 33, 32, 88], Operations: [] Exploring Operation: 72-32=40, Resulting Numbers: [33, 88, 40] Generated Node #0,0: 66:[33, 88, 40] Operation: 72-32=40 Exploring Operation: 88-33=55, Resulting Numbers: [72, 32, 55] Generated Node #0,1: 66:[72, 32, 55] Operation: 88-33=55 Exploring Operation: 88-32=56, Resulting Numbers: [72, 33, 56] Generated Node #0,2: 66:[72, 33, 56] Operation: 88-32=56 Exploring Operation: 72-33=39, Resulting Numbers: [32, 88, 39] Generated Node #0,3: 66:[32, 88, 39] Operation: 72-33=39 Exploring Operation: 88-72=16, Resulting Numbers: [33, 32, 16] Generated Node #0,4: 66:[33, 32, 16] Operation: 88-72=16 Moving to Node #0,4 Current State: 66:[33, 32, 16], Operations: ['88-72=16'] Exploring Operation: 32/16=2, Resulting Numbers: [33, 2] Generated Node #0,4,0: 66:[33, 2] Operation: 32/16=2 Exploring Operation: 33-32=1, Resulting Numbers: [16, 1] Generated Node #0,4,1: 66:[16, 1] Operation: 33-32=1 Exploring Operation: 32-16=16, Resulting Numbers: [33, 16] Generated Node #0,4,2: 66:[33, 16] Operation: 32-16=16 Exploring Operation: 33-16=17, Resulting Numbers: [32, 17] Generated Node #0,4,3: 66:[32, 17] Operation: 33-16=17 Exploring Operation: 33+32=65, Resulting Numbers: [16, 65] Generated Node #0,4,4: 66:[16, 65] Operation: 33+32=65 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 66:[33, 2], Operations: ['88-72=16', '32/16=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,66 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[72, 33, 32, 88], Operations: [] Exploring Operation: 88-72=16, Resulting Numbers: [33, 32, 16] Generated Node #0,4: 66:[33, 32, 16] Operation: 88-72=16 Moving to Node #0,4 Current State: 66:[33, 32, 16], Operations: ['88-72=16'] Exploring Operation: 32/16=2, Resulting Numbers: [33, 2] Generated Node #0,4,0: 66:[33, 2] Operation: 32/16=2 Moving to Node #0,4,0 Current State: 66:[33, 2], Operations: ['88-72=16', '32/16=2'] Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 28, 84, 92, 26 ]
22
[ "84/28=3", "92-26=66", "66/3=22" ]
Current State: 22:[28, 84, 92, 26], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [92, 26, 3] Generated Node #2: [92, 26, 3] from Operation: 84/28=3 Current State: 22:[92, 26, 3], Operations: ['84/28=3'] Exploring Operation: 92-26=66, Resulting Numbers: [3, 66] Generated Node #3: [3, 66] from Operation: 92-26=66 Current State: 22:[3, 66], Operations: ['84/28=3', '92-26=66'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[28, 84, 92, 26], Operations: [] Exploring Operation: 92-84=8, Resulting Numbers: [28, 26, 8] Generated Node #0,0: 22:[28, 26, 8] Operation: 92-84=8 Exploring Operation: 92-28=64, Resulting Numbers: [84, 26, 64] Generated Node #0,1: 22:[84, 26, 64] Operation: 92-28=64 Exploring Operation: 84/28=3, Resulting Numbers: [92, 26, 3] Generated Node #0,2: 22:[92, 26, 3] Operation: 84/28=3 Exploring Operation: 84-28=56, Resulting Numbers: [92, 26, 56] Generated Node #0,3: 22:[92, 26, 56] Operation: 84-28=56 Moving to Node #0,0 Current State: 22:[28, 26, 8], Operations: ['92-84=8'] Exploring Operation: 26-8=18, Resulting Numbers: [28, 18] Generated Node #0,0,0: 22:[28, 18] Operation: 26-8=18 Exploring Operation: 28+8=36, Resulting Numbers: [26, 36] Generated Node #0,0,1: 22:[26, 36] Operation: 28+8=36 Exploring Operation: 28-26=2, Resulting Numbers: [8, 2] Generated Node #0,0,2: 22:[8, 2] Operation: 28-26=2 Exploring Operation: 28-8=20, Resulting Numbers: [26, 20] Generated Node #0,0,3: 22:[26, 20] Operation: 28-8=20 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 22:[8, 2], Operations: ['92-84=8', '28-26=2'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,22 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 22:[26, 20], Operations: ['92-84=8', '28-8=20'] Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 26*20=520, Resulting Numbers: [520] 520,22 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[28, 18], Operations: ['92-84=8', '26-8=18'] Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,22 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[26, 36], Operations: ['92-84=8', '28+8=36'] Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,22 unequal: No Solution Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 22:[92, 26, 3], Operations: ['84/28=3'] Exploring Operation: 92-3=89, Resulting Numbers: [26, 89] Generated Node #0,2,0: 22:[26, 89] Operation: 92-3=89 Exploring Operation: 26-3=23, Resulting Numbers: [92, 23] Generated Node #0,2,1: 22:[92, 23] Operation: 26-3=23 Exploring Operation: 92+3=95, Resulting Numbers: [26, 95] Generated Node #0,2,2: 22:[26, 95] Operation: 92+3=95 Exploring Operation: 92-26=66, Resulting Numbers: [3, 66] Generated Node #0,2,3: 22:[3, 66] Operation: 92-26=66 Moving to Node #0,3 Current State: 22:[92, 26, 56], Operations: ['84-28=56'] Exploring Operation: 56-26=30, Resulting Numbers: [92, 30] Generated Node #0,3,0: 22:[92, 30] Operation: 56-26=30 Exploring Operation: 92-26=66, Resulting Numbers: [56, 66] Generated Node #0,3,1: 22:[56, 66] Operation: 92-26=66 Exploring Operation: 92+26=118, Resulting Numbers: [56, 118] Generated Node #0,3,2: 22:[56, 118] Operation: 92+26=118 Exploring Operation: 92-56=36, Resulting Numbers: [26, 36] Generated Node #0,3,3: 22:[26, 36] Operation: 92-56=36 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 22:[26, 36], Operations: ['84-28=56', '92-56=36'] Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,22 unequal: No Solution Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,22 unequal: No Solution Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 22:[92, 30], Operations: ['84-28=56', '56-26=30'] Exploring Operation: 92+30=122, Resulting Numbers: [122] 122,22 unequal: No Solution Exploring Operation: 92-30=62, Resulting Numbers: [62] 62,22 unequal: No Solution Exploring Operation: 92*30=2760, Resulting Numbers: [2760] 2760,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 22:[56, 66], Operations: ['84-28=56', '92-26=66'] Exploring Operation: 56+66=122, Resulting Numbers: [122] 122,22 unequal: No Solution Exploring Operation: 56*66=3696, Resulting Numbers: [3696] 3696,22 unequal: No Solution Exploring Operation: 66-56=10, Resulting Numbers: [10] 10,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 22:[56, 118], Operations: ['84-28=56', '92+26=118'] Exploring Operation: 56*118=6608, Resulting Numbers: [6608] 6608,22 unequal: No Solution Exploring Operation: 118-56=62, Resulting Numbers: [62] 62,22 unequal: No Solution Exploring Operation: 56+118=174, Resulting Numbers: [174] 174,22 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: 22:[84, 26, 64], Operations: ['92-28=64'] Exploring Operation: 84+26=110, Resulting Numbers: [64, 110] Generated Node #0,1,0: 22:[64, 110] Operation: 84+26=110 Exploring Operation: 64-26=38, Resulting Numbers: [84, 38] Generated Node #0,1,1: 22:[84, 38] Operation: 64-26=38 Exploring Operation: 84-64=20, Resulting Numbers: [26, 20] Generated Node #0,1,2: 22:[26, 20] Operation: 84-64=20 Exploring Operation: 84-26=58, Resulting Numbers: [64, 58] Generated Node #0,1,3: 22:[64, 58] Operation: 84-26=58 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 22:[26, 20], Operations: ['92-28=64', '84-64=20'] Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 26*20=520, Resulting Numbers: [520] 520,22 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 22:[84, 38], Operations: ['92-28=64', '64-26=38'] Exploring Operation: 84*38=3192, Resulting Numbers: [3192] 3192,22 unequal: No Solution Exploring Operation: 84-38=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 84+38=122, Resulting Numbers: [122] 122,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 22:[64, 58], Operations: ['92-28=64', '84-26=58'] Exploring Operation: 64*58=3712, Resulting Numbers: [3712] 3712,22 unequal: No Solution Exploring Operation: 64+58=122, Resulting Numbers: [122] 122,22 unequal: No Solution Exploring Operation: 64-58=6, Resulting Numbers: [6] 6,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 22:[64, 110], Operations: ['92-28=64', '84+26=110'] Exploring Operation: 64*110=7040, Resulting Numbers: [7040] 7040,22 unequal: No Solution Exploring Operation: 110-64=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 64+110=174, Resulting Numbers: [174] 174,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 22:[3, 66], Operations: ['84/28=3', '92-26=66'] Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,22 unequal: No Solution Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[28, 84, 92, 26], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [92, 26, 3] Generated Node #0,2: 22:[92, 26, 3] Operation: 84/28=3 Moving to Node #0,2 Current State: 22:[92, 26, 3], Operations: ['84/28=3'] Exploring Operation: 92-26=66, Resulting Numbers: [3, 66] Generated Node #0,2,3: 22:[3, 66] Operation: 92-26=66 Moving to Node #0,2,3 Current State: 22:[3, 66], Operations: ['84/28=3', '92-26=66'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
0.945313
hs_4
mult_heuristic
[ 38, 4, 13, 62 ]
78
[ "62-38=24", "24/4=6", "13*6=78" ]
Current State: 78:[38, 4, 13, 62], Operations: [] Exploring Operation: 62-38=24, Resulting Numbers: [4, 13, 24] Generated Node #2: [4, 13, 24] from Operation: 62-38=24 Current State: 78:[4, 13, 24], Operations: ['62-38=24'] Exploring Operation: 24/4=6, Resulting Numbers: [13, 6] Generated Node #3: [13, 6] from Operation: 24/4=6 Current State: 78:[13, 6], Operations: ['62-38=24', '24/4=6'] Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[38, 4, 13, 62], Operations: [] Exploring Operation: 13+62=75, Resulting Numbers: [38, 4, 75] Generated Node #0,0: 78:[38, 4, 75] Operation: 13+62=75 Exploring Operation: 62-38=24, Resulting Numbers: [4, 13, 24] Generated Node #0,1: 78:[4, 13, 24] Operation: 62-38=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[4, 13, 24], Operations: ['62-38=24'] Exploring Operation: 4+24=28, Resulting Numbers: [13, 28] Generated Node #0,1,0: 78:[13, 28] Operation: 4+24=28 Exploring Operation: 24/4=6, Resulting Numbers: [13, 6] Generated Node #0,1,1: 78:[13, 6] Operation: 24/4=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 78:[13, 6], Operations: ['62-38=24', '24/4=6'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[38, 4, 13, 62], Operations: [] Exploring Operation: 62-38=24, Resulting Numbers: [4, 13, 24] Generated Node #0,1: 78:[4, 13, 24] Operation: 62-38=24 Moving to Node #0,1 Current State: 78:[4, 13, 24], Operations: ['62-38=24'] Exploring Operation: 24/4=6, Resulting Numbers: [13, 6] Generated Node #0,1,1: 78:[13, 6] Operation: 24/4=6 Moving to Node #0,1,1 Current State: 78:[13, 6], Operations: ['62-38=24', '24/4=6'] Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 26, 63, 74, 54 ]
57
[ "63-26=37", "74-54=20", "37+20=57" ]
Current State: 57:[26, 63, 74, 54], Operations: [] Exploring Operation: 63-26=37, Resulting Numbers: [74, 54, 37] Generated Node #2: [74, 54, 37] from Operation: 63-26=37 Current State: 57:[74, 54, 37], Operations: ['63-26=37'] Exploring Operation: 74-54=20, Resulting Numbers: [37, 20] Generated Node #3: [37, 20] from Operation: 74-54=20 Current State: 57:[37, 20], Operations: ['63-26=37', '74-54=20'] Exploring Operation: 37+20=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[26, 63, 74, 54], Operations: [] Exploring Operation: 74-26=48, Resulting Numbers: [63, 54, 48] Generated Node #0,0: 57:[63, 54, 48] Operation: 74-26=48 Exploring Operation: 74-63=11, Resulting Numbers: [26, 54, 11] Generated Node #0,1: 57:[26, 54, 11] Operation: 74-63=11 Exploring Operation: 74-54=20, Resulting Numbers: [26, 63, 20] Generated Node #0,2: 57:[26, 63, 20] Operation: 74-54=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[26, 63, 20], Operations: ['74-54=20'] Exploring Operation: 26+20=46, Resulting Numbers: [63, 46] Generated Node #0,2,0: 57:[63, 46] Operation: 26+20=46 Exploring Operation: 26-20=6, Resulting Numbers: [63, 6] Generated Node #0,2,1: 57:[63, 6] Operation: 26-20=6 Exploring Operation: 63-26=37, Resulting Numbers: [20, 37] Generated Node #0,2,2: 57:[20, 37] Operation: 63-26=37 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 57:[63, 6], Operations: ['74-54=20', '26-20=6'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[26, 63, 74, 54], Operations: [] Exploring Operation: 74-54=20, Resulting Numbers: [26, 63, 20] Generated Node #0,2: 57:[26, 63, 20] Operation: 74-54=20 Moving to Node #0,2 Current State: 57:[26, 63, 20], Operations: ['74-54=20'] Exploring Operation: 26-20=6, Resulting Numbers: [63, 6] Generated Node #0,2,1: 57:[63, 6] Operation: 26-20=6 Moving to Node #0,2,1 Current State: 57:[63, 6], Operations: ['74-54=20', '26-20=6'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 26, 81, 63, 38 ]
30
[ "81-26=55", "63-38=25", "55-25=30" ]
Current State: 30:[26, 81, 63, 38], Operations: [] Exploring Operation: 81-26=55, Resulting Numbers: [63, 38, 55] Generated Node #2: [63, 38, 55] from Operation: 81-26=55 Current State: 30:[63, 38, 55], Operations: ['81-26=55'] Exploring Operation: 63-38=25, Resulting Numbers: [55, 25] Generated Node #3: [55, 25] from Operation: 63-38=25 Current State: 30:[55, 25], Operations: ['81-26=55', '63-38=25'] Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[26, 81, 63, 38], Operations: [] Exploring Operation: 81-63=18, Resulting Numbers: [26, 38, 18] Generated Node #0,0: 30:[26, 38, 18] Operation: 81-63=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[26, 38, 18], Operations: ['81-63=18'] Exploring Operation: 38-26=12, Resulting Numbers: [18, 12] Generated Node #0,0,0: 30:[18, 12] Operation: 38-26=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[18, 12], Operations: ['81-63=18', '38-26=12'] Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[26, 81, 63, 38], Operations: [] Exploring Operation: 81-63=18, Resulting Numbers: [26, 38, 18] Generated Node #0,0: 30:[26, 38, 18] Operation: 81-63=18 Moving to Node #0,0 Current State: 30:[26, 38, 18], Operations: ['81-63=18'] Exploring Operation: 38-26=12, Resulting Numbers: [18, 12] Generated Node #0,0,0: 30:[18, 12] Operation: 38-26=12 Moving to Node #0,0,0 Current State: 30:[18, 12], Operations: ['81-63=18', '38-26=12'] Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 92, 33, 82, 66 ]
89
[ "92-33=59", "82+66=148", "148-59=89" ]
Current State: 89:[92, 33, 82, 66], Operations: [] Exploring Operation: 92-33=59, Resulting Numbers: [82, 66, 59] Generated Node #2: [82, 66, 59] from Operation: 92-33=59 Current State: 89:[82, 66, 59], Operations: ['92-33=59'] Exploring Operation: 82+66=148, Resulting Numbers: [59, 148] Generated Node #3: [59, 148] from Operation: 82+66=148 Current State: 89:[59, 148], Operations: ['92-33=59', '82+66=148'] Exploring Operation: 148-59=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[92, 33, 82, 66], Operations: [] Exploring Operation: 33+66=99, Resulting Numbers: [92, 82, 99] Generated Node #0,0: 89:[92, 82, 99] Operation: 33+66=99 Moving to Node #0,0 Current State: 89:[92, 82, 99], Operations: ['33+66=99'] Exploring Operation: 99-82=17, Resulting Numbers: [92, 17] Generated Node #0,0,0: 89:[92, 17] Operation: 99-82=17 Moving to Node #0,0,0 Current State: 89:[92, 17], Operations: ['33+66=99', '99-82=17'] Exploring Operation: 92-17=75, Resulting Numbers: [75] 75,89 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 7, 8, 80, 81 ]
21
[ "7+80=87", "81+87=168", "168/8=21" ]
Current State: 21:[7, 8, 80, 81], Operations: [] Exploring Operation: 7+80=87, Resulting Numbers: [8, 81, 87] Generated Node #2: [8, 81, 87] from Operation: 7+80=87 Current State: 21:[8, 81, 87], Operations: ['7+80=87'] Exploring Operation: 81+87=168, Resulting Numbers: [8, 168] Generated Node #3: [8, 168] from Operation: 81+87=168 Current State: 21:[8, 168], Operations: ['7+80=87', '81+87=168'] Exploring Operation: 168/8=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[7, 8, 80, 81], Operations: [] Exploring Operation: 80/8=10, Resulting Numbers: [7, 81, 10] Generated Node #0,0: 21:[7, 81, 10] Operation: 80/8=10 Exploring Operation: 81-80=1, Resulting Numbers: [7, 8, 1] Generated Node #0,1: 21:[7, 8, 1] Operation: 81-80=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[7, 8, 1], Operations: ['81-80=1'] Exploring Operation: 7*1=7, Resulting Numbers: [8, 7] Generated Node #0,1,0: 21:[8, 7] Operation: 7*1=7 Exploring Operation: 8-1=7, Resulting Numbers: [7, 7] Generated Node #0,1,1: 21:[7, 7] Operation: 8-1=7 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 21:[7, 7], Operations: ['81-80=1', '8-1=7'] Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,21 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 21:[8, 7], Operations: ['81-80=1', '7*1=7'] Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[7, 81, 10], Operations: ['80/8=10'] Exploring Operation: 81-7=74, Resulting Numbers: [10, 74] Generated Node #0,0,0: 21:[10, 74] Operation: 81-7=74 Exploring Operation: 81-10=71, Resulting Numbers: [7, 71] Generated Node #0,0,1: 21:[7, 71] Operation: 81-10=71 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 21:[7, 71], Operations: ['80/8=10', '81-10=71'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,21 unequal: No Solution Exploring Operation: 7+71=78, Resulting Numbers: [78] 78,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[10, 74], Operations: ['80/8=10', '81-7=74'] Exploring Operation: 10+74=84, Resulting Numbers: [84] 84,21 unequal: No Solution Exploring Operation: 74-10=64, Resulting Numbers: [64] 64,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 15, 3, 50, 27 ]
44
[ "50-15=35", "27/3=9", "35+9=44" ]
Current State: 44:[15, 3, 50, 27], Operations: [] Exploring Operation: 50-15=35, Resulting Numbers: [3, 27, 35] Generated Node #2: [3, 27, 35] from Operation: 50-15=35 Current State: 44:[3, 27, 35], Operations: ['50-15=35'] Exploring Operation: 27/3=9, Resulting Numbers: [35, 9] Generated Node #3: [35, 9] from Operation: 27/3=9 Current State: 44:[35, 9], Operations: ['50-15=35', '27/3=9'] Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[15, 3, 50, 27], Operations: [] Exploring Operation: 15+27=42, Resulting Numbers: [3, 50, 42] Generated Node #0,0: 44:[3, 50, 42] Operation: 15+27=42 Exploring Operation: 27-15=12, Resulting Numbers: [3, 50, 12] Generated Node #0,1: 44:[3, 50, 12] Operation: 27-15=12 Exploring Operation: 50-27=23, Resulting Numbers: [15, 3, 23] Generated Node #0,2: 44:[15, 3, 23] Operation: 50-27=23 Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[15, 3, 23], Operations: ['50-27=23'] Exploring Operation: 15*3=45, Resulting Numbers: [23, 45] Generated Node #0,2,0: 44:[23, 45] Operation: 15*3=45 Exploring Operation: 15-3=12, Resulting Numbers: [23, 12] Generated Node #0,2,1: 44:[23, 12] Operation: 15-3=12 Exploring Operation: 15/3=5, Resulting Numbers: [23, 5] Generated Node #0,2,2: 44:[23, 5] Operation: 15/3=5 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 44:[23, 45], Operations: ['50-27=23', '15*3=45'] Exploring Operation: 23*45=1035, Resulting Numbers: [1035] 1035,44 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,44 unequal: No Solution Exploring Operation: 23+45=68, Resulting Numbers: [68] 68,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 44:[23, 12], Operations: ['50-27=23', '15-3=12'] Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,44 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 44:[23, 5], Operations: ['50-27=23', '15/3=5'] Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,44 unequal: No Solution Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,44 unequal: No Solution Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[3, 50, 12], Operations: ['27-15=12'] Exploring Operation: 50-12=38, Resulting Numbers: [3, 38] Generated Node #0,1,0: 44:[3, 38] Operation: 50-12=38 Exploring Operation: 12/3=4, Resulting Numbers: [50, 4] Generated Node #0,1,1: 44:[50, 4] Operation: 12/3=4 Exploring Operation: 50-3=47, Resulting Numbers: [12, 47] Generated Node #0,1,2: 44:[12, 47] Operation: 50-3=47 Moving to Node #0,1,2 Current State: 44:[12, 47], Operations: ['27-15=12', '50-3=47'] Exploring Operation: 12*47=564, Resulting Numbers: [564] 564,44 unequal: No Solution Exploring Operation: 12+47=59, Resulting Numbers: [59] 59,44 unequal: No Solution Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[50, 4], Operations: ['27-15=12', '12/3=4'] Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,44 unequal: No Solution Exploring Operation: 50*4=200, Resulting Numbers: [200] 200,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[3, 38], Operations: ['27-15=12', '50-12=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,44 unequal: No Solution Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,44 unequal: No Solution Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,44 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:[3, 50, 42], Operations: ['15+27=42'] Exploring Operation: 50-3=47, Resulting Numbers: [42, 47] Generated Node #0,0,0: 44:[42, 47] Operation: 50-3=47 Exploring Operation: 3+42=45, Resulting Numbers: [50, 45] Generated Node #0,0,1: 44:[50, 45] Operation: 3+42=45 Exploring Operation: 50-42=8, Resulting Numbers: [3, 8] Generated Node #0,0,2: 44:[3, 8] Operation: 50-42=8 Moving to Node #0,0,2 Current State: 44:[3, 8], Operations: ['15+27=42', '50-42=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[42, 47], Operations: ['15+27=42', '50-3=47'] Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 42+47=89, Resulting Numbers: [89] 89,44 unequal: No Solution Exploring Operation: 42*47=1974, Resulting Numbers: [1974] 1974,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[50, 45], Operations: ['15+27=42', '3+42=45'] Exploring Operation: 50+45=95, Resulting Numbers: [95] 95,44 unequal: No Solution Exploring Operation: 50*45=2250, Resulting Numbers: [2250] 2250,44 unequal: No Solution Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,44 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
[ 93, 87, 3, 36 ]
38
[ "93-87=6", "6/3=2", "36+2=38" ]
Current State: 38:[93, 87, 3, 36], Operations: [] Exploring Operation: 93-87=6, Resulting Numbers: [3, 36, 6] Generated Node #2: [3, 36, 6] from Operation: 93-87=6 Current State: 38:[3, 36, 6], Operations: ['93-87=6'] Exploring Operation: 6/3=2, Resulting Numbers: [36, 2] Generated Node #3: [36, 2] from Operation: 6/3=2 Current State: 38:[36, 2], Operations: ['93-87=6', '6/3=2'] Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[93, 87, 3, 36], Operations: [] Exploring Operation: 93-36=57, Resulting Numbers: [87, 3, 57] Generated Node #0,0: 38:[87, 3, 57] Operation: 93-36=57 Exploring Operation: 93/3=31, Resulting Numbers: [87, 36, 31] Generated Node #0,1: 38:[87, 36, 31] Operation: 93/3=31 Exploring Operation: 87/3=29, Resulting Numbers: [93, 36, 29] Generated Node #0,2: 38:[93, 36, 29] Operation: 87/3=29 Exploring Operation: 93-87=6, Resulting Numbers: [3, 36, 6] Generated Node #0,3: 38:[3, 36, 6] Operation: 93-87=6 Moving to Node #0,3 Current State: 38:[3, 36, 6], Operations: ['93-87=6'] Exploring Operation: 3*6=18, Resulting Numbers: [36, 18] Generated Node #0,3,0: 38:[36, 18] Operation: 3*6=18 Exploring Operation: 3+36=39, Resulting Numbers: [6, 39] Generated Node #0,3,1: 38:[6, 39] Operation: 3+36=39 Exploring Operation: 6-3=3, Resulting Numbers: [36, 3] Generated Node #0,3,2: 38:[36, 3] Operation: 6-3=3 Exploring Operation: 6/3=2, Resulting Numbers: [36, 2] Generated Node #0,3,3: 38:[36, 2] Operation: 6/3=2 Moving to Node #0,1 Current State: 38:[87, 36, 31], Operations: ['93/3=31'] Exploring Operation: 87-31=56, Resulting Numbers: [36, 56] Generated Node #0,1,0: 38:[36, 56] Operation: 87-31=56 Exploring Operation: 36-31=5, Resulting Numbers: [87, 5] Generated Node #0,1,1: 38:[87, 5] Operation: 36-31=5 Exploring Operation: 36+31=67, Resulting Numbers: [87, 67] Generated Node #0,1,2: 38:[87, 67] Operation: 36+31=67 Exploring Operation: 87-36=51, Resulting Numbers: [31, 51] Generated Node #0,1,3: 38:[31, 51] Operation: 87-36=51 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 38:[36, 56], Operations: ['93/3=31', '87-31=56'] Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 36+56=92, Resulting Numbers: [92] 92,38 unequal: No Solution Exploring Operation: 36*56=2016, Resulting Numbers: [2016] 2016,38 unequal: No Solution No 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: 38:[31, 51], Operations: ['93/3=31', '87-36=51'] Exploring Operation: 51-31=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 31*51=1581, Resulting Numbers: [1581] 1581,38 unequal: No Solution Exploring Operation: 31+51=82, Resulting Numbers: [82] 82,38 unequal: No Solution No 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: 38:[87, 5], Operations: ['93/3=31', '36-31=5'] Exploring Operation: 87+5=92, Resulting Numbers: [92] 92,38 unequal: No Solution Exploring Operation: 87-5=82, Resulting Numbers: [82] 82,38 unequal: No Solution Exploring Operation: 87*5=435, Resulting Numbers: [435] 435,38 unequal: No Solution No 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: 38:[87, 67], Operations: ['93/3=31', '36+31=67'] Exploring Operation: 87*67=5829, Resulting Numbers: [5829] 5829,38 unequal: No Solution Exploring Operation: 87-67=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 87+67=154, Resulting Numbers: [154] 154,38 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: 38:[93, 36, 29], Operations: ['87/3=29'] Exploring Operation: 93-29=64, Resulting Numbers: [36, 64] Generated Node #0,2,0: 38:[36, 64] Operation: 93-29=64 Exploring Operation: 36+29=65, Resulting Numbers: [93, 65] Generated Node #0,2,1: 38:[93, 65] Operation: 36+29=65 Exploring Operation: 93-36=57, Resulting Numbers: [29, 57] Generated Node #0,2,2: 38:[29, 57] Operation: 93-36=57 Exploring Operation: 36-29=7, Resulting Numbers: [93, 7] Generated Node #0,2,3: 38:[93, 7] Operation: 36-29=7 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 38:[36, 64], Operations: ['87/3=29', '93-29=64'] Exploring Operation: 36*64=2304, Resulting Numbers: [2304] 2304,38 unequal: No Solution Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,38 unequal: No Solution Exploring Operation: 36+64=100, Resulting Numbers: [100] 100,38 unequal: No Solution No 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: 38:[29, 57], Operations: ['87/3=29', '93-36=57'] Exploring Operation: 29+57=86, Resulting Numbers: [86] 86,38 unequal: No Solution Exploring Operation: 57-29=28, Resulting Numbers: [28] 28,38 unequal: No Solution Exploring Operation: 29*57=1653, Resulting Numbers: [1653] 1653,38 unequal: No Solution No 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: 38:[93, 7], Operations: ['87/3=29', '36-29=7'] Exploring Operation: 93+7=100, Resulting Numbers: [100] 100,38 unequal: No Solution Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,38 unequal: No Solution Exploring Operation: 93*7=651, Resulting Numbers: [651] 651,38 unequal: No Solution No 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: 38:[93, 65], Operations: ['87/3=29', '36+29=65'] Exploring Operation: 93*65=6045, Resulting Numbers: [6045] 6045,38 unequal: No Solution Exploring Operation: 93-65=28, Resulting Numbers: [28] 28,38 unequal: No Solution Exploring Operation: 93+65=158, Resulting Numbers: [158] 158,38 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: 38:[87, 3, 57], Operations: ['93-36=57'] Exploring Operation: 87/3=29, Resulting Numbers: [57, 29] Generated Node #0,0,0: 38:[57, 29] Operation: 87/3=29 Exploring Operation: 87-57=30, Resulting Numbers: [3, 30] Generated Node #0,0,1: 38:[3, 30] Operation: 87-57=30 Exploring Operation: 87-3=84, Resulting Numbers: [57, 84] Generated Node #0,0,2: 38:[57, 84] Operation: 87-3=84 Exploring Operation: 57/3=19, Resulting Numbers: [87, 19] Generated Node #0,0,3: 38:[87, 19] Operation: 57/3=19 Moving to Node #0,3,3 Current State: 38:[36, 2], Operations: ['93-87=6', '6/3=2'] Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[93, 87, 3, 36], Operations: [] Exploring Operation: 93-87=6, Resulting Numbers: [3, 36, 6] Generated Node #0,3: 38:[3, 36, 6] Operation: 93-87=6 Moving to Node #0,3 Current State: 38:[3, 36, 6], Operations: ['93-87=6'] Exploring Operation: 6/3=2, Resulting Numbers: [36, 2] Generated Node #0,3,3: 38:[36, 2] Operation: 6/3=2 Moving to Node #0,3,3 Current State: 38:[36, 2], Operations: ['93-87=6', '6/3=2'] Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
0.957465
hs_4
mult_heuristic
[ 86, 26, 80, 28 ]
76
[ "86+26=112", "112/28=4", "80-4=76" ]
Current State: 76:[86, 26, 80, 28], Operations: [] Exploring Operation: 86+26=112, Resulting Numbers: [80, 28, 112] Generated Node #2: [80, 28, 112] from Operation: 86+26=112 Current State: 76:[80, 28, 112], Operations: ['86+26=112'] Exploring Operation: 112/28=4, Resulting Numbers: [80, 4] Generated Node #3: [80, 4] from Operation: 112/28=4 Current State: 76:[80, 4], Operations: ['86+26=112', '112/28=4'] Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[86, 26, 80, 28], Operations: [] Exploring Operation: 86-80=6, Resulting Numbers: [26, 28, 6] Generated Node #0,0: 76:[26, 28, 6] Operation: 86-80=6 Exploring Operation: 28-26=2, Resulting Numbers: [86, 80, 2] Generated Node #0,1: 76:[86, 80, 2] Operation: 28-26=2 Moving to Node #0,1 Current State: 76:[86, 80, 2], Operations: ['28-26=2'] Exploring Operation: 86/2=43, Resulting Numbers: [80, 43] Generated Node #0,1,0: 76:[80, 43] Operation: 86/2=43 Exploring Operation: 86-80=6, Resulting Numbers: [2, 6] Generated Node #0,1,1: 76:[2, 6] Operation: 86-80=6 Moving to Node #0,0 Current State: 76:[26, 28, 6], Operations: ['86-80=6'] Exploring Operation: 26-6=20, Resulting Numbers: [28, 20] Generated Node #0,0,0: 76:[28, 20] Operation: 26-6=20 Exploring Operation: 28-26=2, Resulting Numbers: [6, 2] Generated Node #0,0,1: 76:[6, 2] Operation: 28-26=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[6, 2], Operations: ['86-80=6', '28-26=2'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,76 unequal: No Solution No 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: 76:[28, 20], Operations: ['86-80=6', '26-6=20'] Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,76 unequal: No Solution Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,76 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: 76:[2, 6], Operations: ['28-26=2', '86-80=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[80, 43], Operations: ['28-26=2', '86/2=43'] Exploring Operation: 80-43=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 80+43=123, Resulting Numbers: [123] 123,76 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 74, 50, 96, 73 ]
72
[ "50+96=146", "146/73=2", "74-2=72" ]
Current State: 72:[74, 50, 96, 73], Operations: [] Exploring Operation: 50+96=146, Resulting Numbers: [74, 73, 146] Generated Node #2: [74, 73, 146] from Operation: 50+96=146 Current State: 72:[74, 73, 146], Operations: ['50+96=146'] Exploring Operation: 146/73=2, Resulting Numbers: [74, 2] Generated Node #3: [74, 2] from Operation: 146/73=2 Current State: 72:[74, 2], Operations: ['50+96=146', '146/73=2'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[74, 50, 96, 73], Operations: [] Exploring Operation: 96-50=46, Resulting Numbers: [74, 73, 46] Generated Node #0,0: 72:[74, 73, 46] Operation: 96-50=46 Exploring Operation: 96-74=22, Resulting Numbers: [50, 73, 22] Generated Node #0,1: 72:[50, 73, 22] Operation: 96-74=22 Moving to Node #0,0 Current State: 72:[74, 73, 46], Operations: ['96-50=46'] Exploring Operation: 73-46=27, Resulting Numbers: [74, 27] Generated Node #0,0,0: 72:[74, 27] Operation: 73-46=27 Exploring Operation: 74-46=28, Resulting Numbers: [73, 28] Generated Node #0,0,1: 72:[73, 28] Operation: 74-46=28 Moving to Node #0,1 Current State: 72:[50, 73, 22], Operations: ['96-74=22'] Exploring Operation: 50+22=72, Resulting Numbers: [73, 72] Generated Node #0,1,0: 72:[73, 72] Operation: 50+22=72 Exploring Operation: 73-50=23, Resulting Numbers: [22, 23] Generated Node #0,1,1: 72:[22, 23] Operation: 73-50=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[73, 72], Operations: ['96-74=22', '50+22=72'] Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 73+72=145, Resulting Numbers: [145] 145,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 72:[22, 23], Operations: ['96-74=22', '73-50=23'] Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,72 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: 72:[74, 27], Operations: ['96-50=46', '73-46=27'] Exploring Operation: 74+27=101, Resulting Numbers: [101] 101,72 unequal: No Solution Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[73, 28], Operations: ['96-50=46', '74-46=28'] Exploring Operation: 73+28=101, Resulting Numbers: [101] 101,72 unequal: No Solution Exploring Operation: 73-28=45, Resulting Numbers: [45] 45,72 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 7, 5, 55, 88 ]
74
[ "7+88=95", "95/5=19", "55+19=74" ]
Current State: 74:[7, 5, 55, 88], Operations: [] Exploring Operation: 7+88=95, Resulting Numbers: [5, 55, 95] Generated Node #2: [5, 55, 95] from Operation: 7+88=95 Current State: 74:[5, 55, 95], Operations: ['7+88=95'] Exploring Operation: 95/5=19, Resulting Numbers: [55, 19] Generated Node #3: [55, 19] from Operation: 95/5=19 Current State: 74:[55, 19], Operations: ['7+88=95', '95/5=19'] Exploring Operation: 55+19=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[7, 5, 55, 88], Operations: [] Exploring Operation: 88-55=33, Resulting Numbers: [7, 5, 33] Generated Node #0,0: 74:[7, 5, 33] Operation: 88-55=33 Exploring Operation: 55-7=48, Resulting Numbers: [5, 88, 48] Generated Node #0,1: 74:[5, 88, 48] Operation: 55-7=48 Exploring Operation: 88-7=81, Resulting Numbers: [5, 55, 81] Generated Node #0,2: 74:[5, 55, 81] Operation: 88-7=81 Moving to Node #0,0 Current State: 74:[7, 5, 33], Operations: ['88-55=33'] Exploring Operation: 7+33=40, Resulting Numbers: [5, 40] Generated Node #0,0,0: 74:[5, 40] Operation: 7+33=40 Exploring Operation: 7*5=35, Resulting Numbers: [33, 35] Generated Node #0,0,1: 74:[33, 35] Operation: 7*5=35 Exploring Operation: 7-5=2, Resulting Numbers: [33, 2] Generated Node #0,0,2: 74:[33, 2] Operation: 7-5=2 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 74:[33, 2], Operations: ['88-55=33', '7-5=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,74 unequal: No Solution Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,74 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[5, 40], Operations: ['88-55=33', '7+33=40'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,74 unequal: No Solution Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,74 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[33, 35], Operations: ['88-55=33', '7*5=35'] Exploring Operation: 33*35=1155, Resulting Numbers: [1155] 1155,74 unequal: No Solution Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,74 unequal: No Solution Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,74 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: 74:[5, 88, 48], Operations: ['55-7=48'] Exploring Operation: 88-5=83, Resulting Numbers: [48, 83] Generated Node #0,1,0: 74:[48, 83] Operation: 88-5=83 Exploring Operation: 48-5=43, Resulting Numbers: [88, 43] Generated Node #0,1,1: 74:[88, 43] Operation: 48-5=43 Exploring Operation: 88-48=40, Resulting Numbers: [5, 40] Generated Node #0,1,2: 74:[5, 40] Operation: 88-48=40 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 74:[5, 40], Operations: ['55-7=48', '88-48=40'] Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,74 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,74 unequal: No Solution Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[48, 83], Operations: ['55-7=48', '88-5=83'] Exploring Operation: 48+83=131, Resulting Numbers: [131] 131,74 unequal: No Solution Exploring Operation: 48*83=3984, Resulting Numbers: [3984] 3984,74 unequal: No Solution Exploring Operation: 83-48=35, Resulting Numbers: [35] 35,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[88, 43], Operations: ['55-7=48', '48-5=43'] Exploring Operation: 88+43=131, Resulting Numbers: [131] 131,74 unequal: No Solution Exploring Operation: 88-43=45, Resulting Numbers: [45] 45,74 unequal: No Solution Exploring Operation: 88*43=3784, Resulting Numbers: [3784] 3784,74 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: 74:[5, 55, 81], Operations: ['88-7=81'] Exploring Operation: 55-5=50, Resulting Numbers: [81, 50] Generated Node #0,2,0: 74:[81, 50] Operation: 55-5=50 Exploring Operation: 81-55=26, Resulting Numbers: [5, 26] Generated Node #0,2,1: 74:[5, 26] Operation: 81-55=26 Exploring Operation: 55/5=11, Resulting Numbers: [81, 11] Generated Node #0,2,2: 74:[81, 11] Operation: 55/5=11 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 74:[5, 26], Operations: ['88-7=81', '81-55=26'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,74 unequal: No Solution Exploring Operation: 5*26=130, Resulting Numbers: [130] 130,74 unequal: No Solution Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[81, 11], Operations: ['88-7=81', '55/5=11'] Exploring Operation: 81*11=891, Resulting Numbers: [891] 891,74 unequal: No Solution Exploring Operation: 81+11=92, Resulting Numbers: [92] 92,74 unequal: No Solution Exploring Operation: 81-11=70, Resulting Numbers: [70] 70,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 74:[81, 50], Operations: ['88-7=81', '55-5=50'] Exploring Operation: 81*50=4050, Resulting Numbers: [4050] 4050,74 unequal: No Solution Exploring Operation: 81+50=131, Resulting Numbers: [131] 131,74 unequal: No Solution Exploring Operation: 81-50=31, Resulting Numbers: [31] 31,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 18, 2, 61, 80 ]
24
[ "18+80=98", "2*61=122", "122-98=24" ]
Current State: 24:[18, 2, 61, 80], Operations: [] Exploring Operation: 18+80=98, Resulting Numbers: [2, 61, 98] Generated Node #2: [2, 61, 98] from Operation: 18+80=98 Current State: 24:[2, 61, 98], Operations: ['18+80=98'] Exploring Operation: 2*61=122, Resulting Numbers: [98, 122] Generated Node #3: [98, 122] from Operation: 2*61=122 Current State: 24:[98, 122], Operations: ['18+80=98', '2*61=122'] Exploring Operation: 122-98=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[18, 2, 61, 80], Operations: [] Exploring Operation: 61-18=43, Resulting Numbers: [2, 80, 43] Generated Node #0,0: 24:[2, 80, 43] Operation: 61-18=43 Exploring Operation: 80/2=40, Resulting Numbers: [18, 61, 40] Generated Node #0,1: 24:[18, 61, 40] Operation: 80/2=40 Exploring Operation: 80-61=19, Resulting Numbers: [18, 2, 19] Generated Node #0,2: 24:[18, 2, 19] Operation: 80-61=19 Moving to Node #0,2 Current State: 24:[18, 2, 19], Operations: ['80-61=19'] Exploring Operation: 18/2=9, Resulting Numbers: [19, 9] Generated Node #0,2,0: 24:[19, 9] Operation: 18/2=9 Exploring Operation: 19-18=1, Resulting Numbers: [2, 1] Generated Node #0,2,1: 24:[2, 1] Operation: 19-18=1 Exploring Operation: 18+2=20, Resulting Numbers: [19, 20] Generated Node #0,2,2: 24:[19, 20] Operation: 18+2=20 Moving to Node #0,1 Current State: 24:[18, 61, 40], Operations: ['80/2=40'] Exploring Operation: 61-40=21, Resulting Numbers: [18, 21] Generated Node #0,1,0: 24:[18, 21] Operation: 61-40=21 Exploring Operation: 40-18=22, Resulting Numbers: [61, 22] Generated Node #0,1,1: 24:[61, 22] Operation: 40-18=22 Exploring Operation: 61-18=43, Resulting Numbers: [40, 43] Generated Node #0,1,2: 24:[40, 43] Operation: 61-18=43 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[18, 21], Operations: ['80/2=40', '61-40=21'] Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 18*21=378, Resulting Numbers: [378] 378,24 unequal: No Solution Exploring Operation: 18+21=39, Resulting Numbers: [39] 39,24 unequal: No Solution No 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: 24:[40, 43], Operations: ['80/2=40', '61-18=43'] Exploring Operation: 43-40=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 40+43=83, Resulting Numbers: [83] 83,24 unequal: No Solution Exploring Operation: 40*43=1720, Resulting Numbers: [1720] 1720,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[61, 22], Operations: ['80/2=40', '40-18=22'] Exploring Operation: 61*22=1342, Resulting Numbers: [1342] 1342,24 unequal: No Solution Exploring Operation: 61+22=83, Resulting Numbers: [83] 83,24 unequal: No Solution Exploring Operation: 61-22=39, Resulting Numbers: [39] 39,24 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: 24:[2, 80, 43], Operations: ['61-18=43'] Exploring Operation: 80/2=40, Resulting Numbers: [43, 40] Generated Node #0,0,0: 24:[43, 40] Operation: 80/2=40 Exploring Operation: 80-43=37, Resulting Numbers: [2, 37] Generated Node #0,0,1: 24:[2, 37] Operation: 80-43=37 Exploring Operation: 80-2=78, Resulting Numbers: [43, 78] Generated Node #0,0,2: 24:[43, 78] Operation: 80-2=78 Moving to Node #0,2,1 Current State: 24:[2, 1], Operations: ['80-61=19', '19-18=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,24 unequal: No Solution Moving to Node #0,2,0 Current State: 24:[19, 9], Operations: ['80-61=19', '18/2=9'] Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,24 unequal: No Solution Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,24 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,24 unequal: No Solution Moving to Node #0,2,2 Current State: 24:[19, 20], Operations: ['80-61=19', '18+2=20'] Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[2, 37], Operations: ['61-18=43', '80-43=37'] Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,24 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,24 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[43, 40], Operations: ['61-18=43', '80/2=40'] Exploring Operation: 43-40=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 43+40=83, Resulting Numbers: [83] 83,24 unequal: No Solution Exploring Operation: 43*40=1720, Resulting Numbers: [1720] 1720,24 unequal: No Solution Moving to Node #0,0,2 Current State: 24:[43, 78], Operations: ['61-18=43', '80-2=78'] Exploring Operation: 43*78=3354, Resulting Numbers: [3354] 3354,24 unequal: No Solution Exploring Operation: 78-43=35, Resulting Numbers: [35] 35,24 unequal: No Solution Exploring Operation: 43+78=121, Resulting Numbers: [121] 121,24 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 14, 93, 56, 75 ]
14
[ "93-14=79", "79-75=4", "56/4=14" ]
Current State: 14:[14, 93, 56, 75], Operations: [] Exploring Operation: 93-14=79, Resulting Numbers: [56, 75, 79] Generated Node #2: [56, 75, 79] from Operation: 93-14=79 Current State: 14:[56, 75, 79], Operations: ['93-14=79'] Exploring Operation: 79-75=4, Resulting Numbers: [56, 4] Generated Node #3: [56, 4] from Operation: 79-75=4 Current State: 14:[56, 4], Operations: ['93-14=79', '79-75=4'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[14, 93, 56, 75], Operations: [] Exploring Operation: 93-75=18, Resulting Numbers: [14, 56, 18] Generated Node #0,0: 14:[14, 56, 18] Operation: 93-75=18 Exploring Operation: 56/14=4, Resulting Numbers: [93, 75, 4] Generated Node #0,1: 14:[93, 75, 4] Operation: 56/14=4 Exploring Operation: 75-56=19, Resulting Numbers: [14, 93, 19] Generated Node #0,2: 14:[14, 93, 19] Operation: 75-56=19 Exploring Operation: 93-56=37, Resulting Numbers: [14, 75, 37] Generated Node #0,3: 14:[14, 75, 37] Operation: 93-56=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[14, 56, 18], Operations: ['93-75=18'] Exploring Operation: 56-14=42, Resulting Numbers: [18, 42] Generated Node #0,0,0: 14:[18, 42] Operation: 56-14=42 Exploring Operation: 56/14=4, Resulting Numbers: [18, 4] Generated Node #0,0,1: 14:[18, 4] Operation: 56/14=4 Exploring Operation: 18-14=4, Resulting Numbers: [56, 4] Generated Node #0,0,2: 14:[56, 4] Operation: 18-14=4 Exploring Operation: 56-18=38, Resulting Numbers: [14, 38] Generated Node #0,0,3: 14:[14, 38] Operation: 56-18=38 Moving to Node #0,0,1 Current State: 14:[18, 4], Operations: ['93-75=18', '56/14=4'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[14, 93, 56, 75], Operations: [] Exploring Operation: 93-75=18, Resulting Numbers: [14, 56, 18] Generated Node #0,0: 14:[14, 56, 18] Operation: 93-75=18 Moving to Node #0,0 Current State: 14:[14, 56, 18], Operations: ['93-75=18'] Exploring Operation: 56/14=4, Resulting Numbers: [18, 4] Generated Node #0,0,1: 14:[18, 4] Operation: 56/14=4 Moving to Node #0,0,1 Current State: 14:[18, 4], Operations: ['93-75=18', '56/14=4'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 10, 75, 56, 36 ]
77
[ "56-36=20", "20/10=2", "75+2=77" ]
Current State: 77:[10, 75, 56, 36], Operations: [] Exploring Operation: 56-36=20, Resulting Numbers: [10, 75, 20] Generated Node #2: [10, 75, 20] from Operation: 56-36=20 Current State: 77:[10, 75, 20], Operations: ['56-36=20'] Exploring Operation: 20/10=2, Resulting Numbers: [75, 2] Generated Node #3: [75, 2] from Operation: 20/10=2 Current State: 77:[75, 2], Operations: ['56-36=20', '20/10=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[10, 75, 56, 36], Operations: [] Exploring Operation: 56-36=20, Resulting Numbers: [10, 75, 20] Generated Node #0,0: 77:[10, 75, 20] Operation: 56-36=20 Exploring Operation: 10+56=66, Resulting Numbers: [75, 36, 66] Generated Node #0,1: 77:[75, 36, 66] Operation: 10+56=66 Exploring Operation: 56+36=92, Resulting Numbers: [10, 75, 92] Generated Node #0,2: 77:[10, 75, 92] Operation: 56+36=92 Exploring Operation: 75-56=19, Resulting Numbers: [10, 36, 19] Generated Node #0,3: 77:[10, 36, 19] Operation: 75-56=19 Exploring Operation: 36-10=26, Resulting Numbers: [75, 56, 26] Generated Node #0,4: 77:[75, 56, 26] Operation: 36-10=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[10, 75, 20], Operations: ['56-36=20'] Exploring Operation: 20-10=10, Resulting Numbers: [75, 10] Generated Node #0,0,0: 77:[75, 10] Operation: 20-10=10 Exploring Operation: 20/10=2, Resulting Numbers: [75, 2] Generated Node #0,0,1: 77:[75, 2] Operation: 20/10=2 Exploring Operation: 75-10=65, Resulting Numbers: [20, 65] Generated Node #0,0,2: 77:[20, 65] Operation: 75-10=65 Exploring Operation: 75+20=95, Resulting Numbers: [10, 95] Generated Node #0,0,3: 77:[10, 95] Operation: 75+20=95 Exploring Operation: 10+75=85, Resulting Numbers: [20, 85] Generated Node #0,0,4: 77:[20, 85] Operation: 10+75=85 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[75, 10], Operations: ['56-36=20', '20-10=10'] Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,77 unequal: No Solution Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,77 unequal: No Solution Exploring Operation: 75*10=750, Resulting Numbers: [750] 750,77 unequal: No Solution No 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: 77:[75, 2], Operations: ['56-36=20', '20/10=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,77 unequal: No Solution Exploring Operation: 75*2=150, Resulting Numbers: [150] 150,77 unequal: No Solution Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[10, 75, 56, 36], Operations: [] Exploring Operation: 56-36=20, Resulting Numbers: [10, 75, 20] Generated Node #0,0: 77:[10, 75, 20] Operation: 56-36=20 Moving to Node #0,0 Current State: 77:[10, 75, 20], Operations: ['56-36=20'] Exploring Operation: 20/10=2, Resulting Numbers: [75, 2] Generated Node #0,0,1: 77:[75, 2] Operation: 20/10=2 Moving to Node #0,0,1 Current State: 77:[75, 2], Operations: ['56-36=20', '20/10=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 11, 4, 48, 51 ]
97
[ "48-11=37", "4*37=148", "148-51=97" ]
Current State: 97:[11, 4, 48, 51], Operations: [] Exploring Operation: 48-11=37, Resulting Numbers: [4, 51, 37] Generated Node #2: [4, 51, 37] from Operation: 48-11=37 Current State: 97:[4, 51, 37], Operations: ['48-11=37'] Exploring Operation: 4*37=148, Resulting Numbers: [51, 148] Generated Node #3: [51, 148] from Operation: 4*37=148 Current State: 97:[51, 148], Operations: ['48-11=37', '4*37=148'] Exploring Operation: 148-51=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[11, 4, 48, 51], Operations: [] Exploring Operation: 11+51=62, Resulting Numbers: [4, 48, 62] Generated Node #0,0: 97:[4, 48, 62] Operation: 11+51=62 Exploring Operation: 11+4=15, Resulting Numbers: [48, 51, 15] Generated Node #0,1: 97:[48, 51, 15] Operation: 11+4=15 Exploring Operation: 11*4=44, Resulting Numbers: [48, 51, 44] Generated Node #0,2: 97:[48, 51, 44] Operation: 11*4=44 Exploring Operation: 11+48=59, Resulting Numbers: [4, 51, 59] Generated Node #0,3: 97:[4, 51, 59] Operation: 11+48=59 Moving to Node #0,2 Current State: 97:[48, 51, 44], Operations: ['11*4=44'] Exploring Operation: 48+51=99, Resulting Numbers: [44, 99] Generated Node #0,2,0: 97:[44, 99] Operation: 48+51=99 Exploring Operation: 48-44=4, Resulting Numbers: [51, 4] Generated Node #0,2,1: 97:[51, 4] Operation: 48-44=4 Exploring Operation: 51+44=95, Resulting Numbers: [48, 95] Generated Node #0,2,2: 97:[48, 95] Operation: 51+44=95 Exploring Operation: 48+44=92, Resulting Numbers: [51, 92] Generated Node #0,2,3: 97:[51, 92] Operation: 48+44=92 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 97:[48, 95], Operations: ['11*4=44', '51+44=95'] Exploring Operation: 48*95=4560, Resulting Numbers: [4560] 4560,97 unequal: No Solution Exploring Operation: 48+95=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 95-48=47, Resulting Numbers: [47] 47,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[51, 92], Operations: ['11*4=44', '48+44=92'] Exploring Operation: 51+92=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 92-51=41, Resulting Numbers: [41] 41,97 unequal: No Solution Exploring Operation: 51*92=4692, Resulting Numbers: [4692] 4692,97 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:[44, 99], Operations: ['11*4=44', '48+51=99'] Exploring Operation: 99-44=55, Resulting Numbers: [55] 55,97 unequal: No Solution Exploring Operation: 44*99=4356, Resulting Numbers: [4356] 4356,97 unequal: No Solution Exploring Operation: 44+99=143, Resulting Numbers: [143] 143,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[51, 4], Operations: ['11*4=44', '48-44=4'] Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,97 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,97 unequal: No Solution Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 97:[48, 51, 15], Operations: ['11+4=15'] Exploring Operation: 48+15=63, Resulting Numbers: [51, 63] Generated Node #0,1,0: 97:[51, 63] Operation: 48+15=63 Exploring Operation: 48-15=33, Resulting Numbers: [51, 33] Generated Node #0,1,1: 97:[51, 33] Operation: 48-15=33 Exploring Operation: 51+15=66, Resulting Numbers: [48, 66] Generated Node #0,1,2: 97:[48, 66] Operation: 51+15=66 Exploring Operation: 48+51=99, Resulting Numbers: [15, 99] Generated Node #0,1,3: 97:[15, 99] Operation: 48+51=99 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[51, 63], Operations: ['11+4=15', '48+15=63'] Exploring Operation: 51+63=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 63-51=12, Resulting Numbers: [12] 12,97 unequal: No Solution Exploring Operation: 51*63=3213, Resulting Numbers: [3213] 3213,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[48, 66], Operations: ['11+4=15', '51+15=66'] Exploring Operation: 66-48=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 48+66=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 48*66=3168, Resulting Numbers: [3168] 3168,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 97:[15, 99], Operations: ['11+4=15', '48+51=99'] Exploring Operation: 15*99=1485, Resulting Numbers: [1485] 1485,97 unequal: No Solution Exploring Operation: 15+99=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 99-15=84, Resulting Numbers: [84] 84,97 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:[51, 33], Operations: ['11+4=15', '48-15=33'] Exploring Operation: 51-33=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 51*33=1683, Resulting Numbers: [1683] 1683,97 unequal: No Solution Exploring Operation: 51+33=84, Resulting Numbers: [84] 84,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 97:[4, 48, 62], Operations: ['11+51=62'] Exploring Operation: 62-4=58, Resulting Numbers: [48, 58] Generated Node #0,0,0: 97:[48, 58] Operation: 62-4=58 Exploring Operation: 48-4=44, Resulting Numbers: [62, 44] Generated Node #0,0,1: 97:[62, 44] Operation: 48-4=44 Exploring Operation: 4+48=52, Resulting Numbers: [62, 52] Generated Node #0,0,2: 97:[62, 52] Operation: 4+48=52 Exploring Operation: 4+62=66, Resulting Numbers: [48, 66] Generated Node #0,0,3: 97:[48, 66] Operation: 4+62=66 Moving to Node #0,3 Current State: 97:[4, 51, 59], Operations: ['11+48=59'] Exploring Operation: 4+59=63, Resulting Numbers: [51, 63] Generated Node #0,3,0: 97:[51, 63] Operation: 4+59=63 Exploring Operation: 51-4=47, Resulting Numbers: [59, 47] Generated Node #0,3,1: 97:[59, 47] Operation: 51-4=47 Exploring Operation: 4+51=55, Resulting Numbers: [59, 55] Generated Node #0,3,2: 97:[59, 55] Operation: 4+51=55 Exploring Operation: 59-4=55, Resulting Numbers: [51, 55] Generated Node #0,3,3: 97:[51, 55] Operation: 59-4=55 Moving to Node #0,0,2 Current State: 97:[62, 52], Operations: ['11+51=62', '4+48=52'] Exploring Operation: 62-52=10, Resulting Numbers: [10] 10,97 unequal: No Solution Exploring Operation: 62*52=3224, Resulting Numbers: [3224] 3224,97 unequal: No Solution Exploring Operation: 62+52=114, Resulting Numbers: [114] 114,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[59, 55], Operations: ['11+48=59', '4+51=55'] Exploring Operation: 59-55=4, Resulting Numbers: [4] 4,97 unequal: No Solution Exploring Operation: 59*55=3245, Resulting Numbers: [3245] 3245,97 unequal: No Solution Exploring Operation: 59+55=114, Resulting Numbers: [114] 114,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[48, 66], Operations: ['11+51=62', '4+62=66'] Exploring Operation: 48+66=114, Resulting Numbers: [114] 114,97 unequal: No Solution Exploring Operation: 48*66=3168, Resulting Numbers: [3168] 3168,97 unequal: No Solution Exploring Operation: 66-48=18, Resulting Numbers: [18] 18,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[51, 63], Operations: ['11+48=59', '4+59=63'] Exploring Operation: 63-51=12, Resulting Numbers: [12] 12,97 unequal: No Solution Exploring Operation: 51*63=3213, Resulting Numbers: [3213] 3213,97 unequal: No Solution Exploring Operation: 51+63=114, Resulting Numbers: [114] 114,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[59, 47], Operations: ['11+48=59', '51-4=47'] Exploring Operation: 59-47=12, Resulting Numbers: [12] 12,97 unequal: No Solution Exploring Operation: 59+47=106, Resulting Numbers: [106] 106,97 unequal: No Solution Exploring Operation: 59*47=2773, Resulting Numbers: [2773] 2773,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[48, 58], Operations: ['11+51=62', '62-4=58'] Exploring Operation: 48*58=2784, Resulting Numbers: [2784] 2784,97 unequal: No Solution Exploring Operation: 48+58=106, Resulting Numbers: [106] 106,97 unequal: No Solution Exploring Operation: 58-48=10, Resulting Numbers: [10] 10,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[51, 55], Operations: ['11+48=59', '59-4=55'] Exploring Operation: 51*55=2805, Resulting Numbers: [2805] 2805,97 unequal: No Solution Exploring Operation: 51+55=106, Resulting Numbers: [106] 106,97 unequal: No Solution Exploring Operation: 55-51=4, Resulting Numbers: [4] 4,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[62, 44], Operations: ['11+51=62', '48-4=44'] Exploring Operation: 62-44=18, Resulting Numbers: [18] 18,97 unequal: No Solution Exploring Operation: 62*44=2728, Resulting Numbers: [2728] 2728,97 unequal: No Solution Exploring Operation: 62+44=106, Resulting Numbers: [106] 106,97 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 82, 55, 33, 76 ]
70
[ "82-55=27", "76-33=43", "27+43=70" ]
Current State: 70:[82, 55, 33, 76], Operations: [] Exploring Operation: 82-55=27, Resulting Numbers: [33, 76, 27] Generated Node #2: [33, 76, 27] from Operation: 82-55=27 Current State: 70:[33, 76, 27], Operations: ['82-55=27'] Exploring Operation: 76-33=43, Resulting Numbers: [27, 43] Generated Node #3: [27, 43] from Operation: 76-33=43 Current State: 70:[27, 43], Operations: ['82-55=27', '76-33=43'] Exploring Operation: 27+43=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[82, 55, 33, 76], Operations: [] Exploring Operation: 55-33=22, Resulting Numbers: [82, 76, 22] Generated Node #0,0: 70:[82, 76, 22] Operation: 55-33=22 Exploring Operation: 76-55=21, Resulting Numbers: [82, 33, 21] Generated Node #0,1: 70:[82, 33, 21] Operation: 76-55=21 Exploring Operation: 82-76=6, Resulting Numbers: [55, 33, 6] Generated Node #0,2: 70:[55, 33, 6] Operation: 82-76=6 Exploring Operation: 82-55=27, Resulting Numbers: [33, 76, 27] Generated Node #0,3: 70:[33, 76, 27] Operation: 82-55=27 Start Sub Search at level 1: Moving to Node #0,3 Current State: 70:[33, 76, 27], Operations: ['82-55=27'] Exploring Operation: 76-27=49, Resulting Numbers: [33, 49] Generated Node #0,3,0: 70:[33, 49] Operation: 76-27=49 Exploring Operation: 33-27=6, Resulting Numbers: [76, 6] Generated Node #0,3,1: 70:[76, 6] Operation: 33-27=6 Exploring Operation: 33+27=60, Resulting Numbers: [76, 60] Generated Node #0,3,2: 70:[76, 60] Operation: 33+27=60 Exploring Operation: 76-33=43, Resulting Numbers: [27, 43] Generated Node #0,3,3: 70:[27, 43] Operation: 76-33=43 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 70:[76, 6], Operations: ['82-55=27', '33-27=6'] Exploring Operation: 76+6=82, Resulting Numbers: [82] 82,70 unequal: No Solution Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[82, 55, 33, 76], Operations: [] Exploring Operation: 82-55=27, Resulting Numbers: [33, 76, 27] Generated Node #0,3: 70:[33, 76, 27] Operation: 82-55=27 Moving to Node #0,3 Current State: 70:[33, 76, 27], Operations: ['82-55=27'] Exploring Operation: 33-27=6, Resulting Numbers: [76, 6] Generated Node #0,3,1: 70:[76, 6] Operation: 33-27=6 Moving to Node #0,3,1 Current State: 70:[76, 6], Operations: ['82-55=27', '33-27=6'] Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 34, 78, 41, 63 ]
18
[ "34*63=2142", "78+41=119", "2142/119=18" ]
Current State: 18:[34, 78, 41, 63], Operations: [] Exploring Operation: 34*63=2142, Resulting Numbers: [78, 41, 2142] Generated Node #2: [78, 41, 2142] from Operation: 34*63=2142 Current State: 18:[78, 41, 2142], Operations: ['34*63=2142'] Exploring Operation: 78+41=119, Resulting Numbers: [2142, 119] Generated Node #3: [2142, 119] from Operation: 78+41=119 Current State: 18:[2142, 119], Operations: ['34*63=2142', '78+41=119'] Exploring Operation: 2142/119=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[34, 78, 41, 63], Operations: [] Exploring Operation: 63-41=22, Resulting Numbers: [34, 78, 22] Generated Node #0,0: 18:[34, 78, 22] Operation: 63-41=22 Exploring Operation: 78-63=15, Resulting Numbers: [34, 41, 15] Generated Node #0,1: 18:[34, 41, 15] Operation: 78-63=15 Exploring Operation: 78-41=37, Resulting Numbers: [34, 63, 37] Generated Node #0,2: 18:[34, 63, 37] Operation: 78-41=37 Moving to Node #0,1 Current State: 18:[34, 41, 15], Operations: ['78-63=15'] Exploring Operation: 34-15=19, Resulting Numbers: [41, 19] Generated Node #0,1,0: 18:[41, 19] Operation: 34-15=19 Exploring Operation: 41-34=7, Resulting Numbers: [15, 7] Generated Node #0,1,1: 18:[15, 7] Operation: 41-34=7 Exploring Operation: 41-15=26, Resulting Numbers: [34, 26] Generated Node #0,1,2: 18:[34, 26] Operation: 41-15=26 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[15, 7], Operations: ['78-63=15', '41-34=7'] Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,18 unequal: No Solution Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[41, 19], Operations: ['78-63=15', '34-15=19'] Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 41+19=60, Resulting Numbers: [60] 60,18 unequal: No Solution Exploring Operation: 41*19=779, Resulting Numbers: [779] 779,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 18:[34, 26], Operations: ['78-63=15', '41-15=26'] Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,18 unequal: No Solution Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,18 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: 18:[34, 78, 22], Operations: ['63-41=22'] Exploring Operation: 78-22=56, Resulting Numbers: [34, 56] Generated Node #0,0,0: 18:[34, 56] Operation: 78-22=56 Exploring Operation: 78-34=44, Resulting Numbers: [22, 44] Generated Node #0,0,1: 18:[22, 44] Operation: 78-34=44 Exploring Operation: 34-22=12, Resulting Numbers: [78, 12] Generated Node #0,0,2: 18:[78, 12] Operation: 34-22=12 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[22, 44], Operations: ['63-41=22', '78-34=44'] Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 22+44=66, Resulting Numbers: [66] 66,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[34, 56], Operations: ['63-41=22', '78-22=56'] Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 34+56=90, Resulting Numbers: [90] 90,18 unequal: No Solution Exploring Operation: 34*56=1904, Resulting Numbers: [1904] 1904,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 18:[78, 12], Operations: ['63-41=22', '34-22=12'] Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,18 unequal: No Solution Exploring Operation: 78+12=90, Resulting Numbers: [90] 90,18 unequal: No Solution Exploring Operation: 78*12=936, Resulting Numbers: [936] 936,18 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: 18:[34, 63, 37], Operations: ['78-41=37'] Exploring Operation: 63-34=29, Resulting Numbers: [37, 29] Generated Node #0,2,0: 18:[37, 29] Operation: 63-34=29 Exploring Operation: 63-37=26, Resulting Numbers: [34, 26] Generated Node #0,2,1: 18:[34, 26] Operation: 63-37=26 Exploring Operation: 37-34=3, Resulting Numbers: [63, 3] Generated Node #0,2,2: 18:[63, 3] Operation: 37-34=3 Moving to Node #0,2,1 Current State: 18:[34, 26], Operations: ['78-41=37', '63-37=26'] Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,18 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,18 unequal: No Solution Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[37, 29], Operations: ['78-41=37', '63-34=29'] Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,18 unequal: No Solution Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[63, 3], Operations: ['78-41=37', '37-34=3'] Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,18 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,18 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 7, 92, 88, 43 ]
46
[ "92-7=85", "88+43=131", "131-85=46" ]
Current State: 46:[7, 92, 88, 43], Operations: [] Exploring Operation: 92-7=85, Resulting Numbers: [88, 43, 85] Generated Node #2: [88, 43, 85] from Operation: 92-7=85 Current State: 46:[88, 43, 85], Operations: ['92-7=85'] Exploring Operation: 88+43=131, Resulting Numbers: [85, 131] Generated Node #3: [85, 131] from Operation: 88+43=131 Current State: 46:[85, 131], Operations: ['92-7=85', '88+43=131'] Exploring Operation: 131-85=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[7, 92, 88, 43], Operations: [] Exploring Operation: 92-88=4, Resulting Numbers: [7, 43, 4] Generated Node #0,0: 46:[7, 43, 4] Operation: 92-88=4 Exploring Operation: 88-43=45, Resulting Numbers: [7, 92, 45] Generated Node #0,1: 46:[7, 92, 45] Operation: 88-43=45 Exploring Operation: 92-43=49, Resulting Numbers: [7, 88, 49] Generated Node #0,2: 46:[7, 88, 49] Operation: 92-43=49 Exploring Operation: 88-7=81, Resulting Numbers: [92, 43, 81] Generated Node #0,3: 46:[92, 43, 81] Operation: 88-7=81 Exploring Operation: 92-7=85, Resulting Numbers: [88, 43, 85] Generated Node #0,4: 46:[88, 43, 85] Operation: 92-7=85 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[7, 43, 4], Operations: ['92-88=4'] Exploring Operation: 43-7=36, Resulting Numbers: [4, 36] Generated Node #0,0,0: 46:[4, 36] Operation: 43-7=36 Exploring Operation: 7-4=3, Resulting Numbers: [43, 3] Generated Node #0,0,1: 46:[43, 3] Operation: 7-4=3 Exploring Operation: 7*4=28, Resulting Numbers: [43, 28] Generated Node #0,0,2: 46:[43, 28] Operation: 7*4=28 Exploring Operation: 7+43=50, Resulting Numbers: [4, 50] Generated Node #0,0,3: 46:[4, 50] Operation: 7+43=50 Exploring Operation: 43+4=47, Resulting Numbers: [7, 47] Generated Node #0,0,4: 46:[7, 47] Operation: 43+4=47 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 46:[43, 3], Operations: ['92-88=4', '7-4=3'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,46 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,46 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[7, 92, 88, 43], Operations: [] Exploring Operation: 92-88=4, Resulting Numbers: [7, 43, 4] Generated Node #0,0: 46:[7, 43, 4] Operation: 92-88=4 Moving to Node #0,0 Current State: 46:[7, 43, 4], Operations: ['92-88=4'] Exploring Operation: 7-4=3, Resulting Numbers: [43, 3] Generated Node #0,0,1: 46:[43, 3] Operation: 7-4=3 Moving to Node #0,0,1 Current State: 46:[43, 3], Operations: ['92-88=4', '7-4=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 41, 75, 18, 54 ]
15
[ "41+18=59", "59-54=5", "75/5=15" ]
Current State: 15:[41, 75, 18, 54], Operations: [] Exploring Operation: 41+18=59, Resulting Numbers: [75, 54, 59] Generated Node #2: [75, 54, 59] from Operation: 41+18=59 Current State: 15:[75, 54, 59], Operations: ['41+18=59'] Exploring Operation: 59-54=5, Resulting Numbers: [75, 5] Generated Node #3: [75, 5] from Operation: 59-54=5 Current State: 15:[75, 5], Operations: ['41+18=59', '59-54=5'] Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[41, 75, 18, 54], Operations: [] Exploring Operation: 54-41=13, Resulting Numbers: [75, 18, 13] Generated Node #0,0: 15:[75, 18, 13] Operation: 54-41=13 Exploring Operation: 41-18=23, Resulting Numbers: [75, 54, 23] Generated Node #0,1: 15:[75, 54, 23] Operation: 41-18=23 Exploring Operation: 75-54=21, Resulting Numbers: [41, 18, 21] Generated Node #0,2: 15:[41, 18, 21] Operation: 75-54=21 Exploring Operation: 54/18=3, Resulting Numbers: [41, 75, 3] Generated Node #0,3: 15:[41, 75, 3] Operation: 54/18=3 Exploring Operation: 75-41=34, Resulting Numbers: [18, 54, 34] Generated Node #0,4: 15:[18, 54, 34] Operation: 75-41=34 Moving to Node #0,2 Current State: 15:[41, 18, 21], Operations: ['75-54=21'] Exploring Operation: 41+18=59, Resulting Numbers: [21, 59] Generated Node #0,2,0: 15:[21, 59] Operation: 41+18=59 Exploring Operation: 41-21=20, Resulting Numbers: [18, 20] Generated Node #0,2,1: 15:[18, 20] Operation: 41-21=20 Exploring Operation: 41+21=62, Resulting Numbers: [18, 62] Generated Node #0,2,2: 15:[18, 62] Operation: 41+21=62 Exploring Operation: 21-18=3, Resulting Numbers: [41, 3] Generated Node #0,2,3: 15:[41, 3] Operation: 21-18=3 Exploring Operation: 41-18=23, Resulting Numbers: [21, 23] Generated Node #0,2,4: 15:[21, 23] Operation: 41-18=23 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 15:[18, 20], Operations: ['75-54=21', '41-21=20'] Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,15 unequal: No Solution Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,15 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,15 unequal: No Solution No 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: 15:[21, 23], Operations: ['75-54=21', '41-18=23'] Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,15 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,15 unequal: No Solution No 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: 15:[41, 3], Operations: ['75-54=21', '21-18=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,15 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 15:[21, 59], Operations: ['75-54=21', '41+18=59'] Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,15 unequal: No Solution Exploring Operation: 21*59=1239, Resulting Numbers: [1239] 1239,15 unequal: No Solution Exploring Operation: 21+59=80, Resulting Numbers: [80] 80,15 unequal: No Solution No 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: 15:[18, 62], Operations: ['75-54=21', '41+21=62'] Exploring Operation: 18*62=1116, Resulting Numbers: [1116] 1116,15 unequal: No Solution Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 18+62=80, Resulting Numbers: [80] 80,15 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: 15:[18, 54, 34], Operations: ['75-41=34'] Exploring Operation: 54/18=3, Resulting Numbers: [34, 3] Generated Node #0,4,0: 15:[34, 3] Operation: 54/18=3 Exploring Operation: 54-34=20, Resulting Numbers: [18, 20] Generated Node #0,4,1: 15:[18, 20] Operation: 54-34=20 Exploring Operation: 34-18=16, Resulting Numbers: [54, 16] Generated Node #0,4,2: 15:[54, 16] Operation: 34-18=16 Exploring Operation: 54-18=36, Resulting Numbers: [34, 36] Generated Node #0,4,3: 15:[34, 36] Operation: 54-18=36 Exploring Operation: 18+54=72, Resulting Numbers: [34, 72] Generated Node #0,4,4: 15:[34, 72] Operation: 18+54=72 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 15:[18, 20], Operations: ['75-41=34', '54-34=20'] Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,15 unequal: No Solution Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,15 unequal: No Solution No 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: 15:[34, 3], Operations: ['75-41=34', '54/18=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,15 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,15 unequal: No Solution No 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: 15:[54, 16], Operations: ['75-41=34', '34-18=16'] Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,15 unequal: No Solution Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 54*16=864, Resulting Numbers: [864] 864,15 unequal: No Solution No 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: 15:[34, 36], Operations: ['75-41=34', '54-18=36'] Exploring Operation: 34*36=1224, Resulting Numbers: [1224] 1224,15 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,15 unequal: No Solution No 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: 15:[34, 72], Operations: ['75-41=34', '18+54=72'] Exploring Operation: 34+72=106, Resulting Numbers: [106] 106,15 unequal: No Solution Exploring Operation: 34*72=2448, Resulting Numbers: [2448] 2448,15 unequal: No Solution Exploring Operation: 72-34=38, Resulting Numbers: [38] 38,15 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: 15:[75, 18, 13], Operations: ['54-41=13'] Exploring Operation: 75-13=62, Resulting Numbers: [18, 62] Generated Node #0,0,0: 15:[18, 62] Operation: 75-13=62 Exploring Operation: 18-13=5, Resulting Numbers: [75, 5] Generated Node #0,0,1: 15:[75, 5] Operation: 18-13=5 Exploring Operation: 18+13=31, Resulting Numbers: [75, 31] Generated Node #0,0,2: 15:[75, 31] Operation: 18+13=31 Exploring Operation: 75-18=57, Resulting Numbers: [13, 57] Generated Node #0,0,3: 15:[13, 57] Operation: 75-18=57 Exploring Operation: 75+13=88, Resulting Numbers: [18, 88] Generated Node #0,0,4: 15:[18, 88] Operation: 75+13=88 Moving to Node #0,3 Current State: 15:[41, 75, 3], Operations: ['54/18=3'] Exploring Operation: 41-3=38, Resulting Numbers: [75, 38] Generated Node #0,3,0: 15:[75, 38] Operation: 41-3=38 Exploring Operation: 75/3=25, Resulting Numbers: [41, 25] Generated Node #0,3,1: 15:[41, 25] Operation: 75/3=25 Exploring Operation: 75-41=34, Resulting Numbers: [3, 34] Generated Node #0,3,2: 15:[3, 34] Operation: 75-41=34 Exploring Operation: 75-3=72, Resulting Numbers: [41, 72] Generated Node #0,3,3: 15:[41, 72] Operation: 75-3=72 Exploring Operation: 41+3=44, Resulting Numbers: [75, 44] Generated Node #0,3,4: 15:[75, 44] Operation: 41+3=44 Moving to Node #0,1 Current State: 15:[75, 54, 23], Operations: ['41-18=23'] Exploring Operation: 75+23=98, Resulting Numbers: [54, 98] Generated Node #0,1,0: 15:[54, 98] Operation: 75+23=98 Exploring Operation: 75+54=129, Resulting Numbers: [23, 129] Generated Node #0,1,1: 15:[23, 129] Operation: 75+54=129 Exploring Operation: 75-23=52, Resulting Numbers: [54, 52] Generated Node #0,1,2: 15:[54, 52] Operation: 75-23=52 Exploring Operation: 75-54=21, Resulting Numbers: [23, 21] Generated Node #0,1,3: 15:[23, 21] Operation: 75-54=21 Exploring Operation: 54-23=31, Resulting Numbers: [75, 31] Generated Node #0,1,4: 15:[75, 31] Operation: 54-23=31 Moving to Node #0,1,3 Current State: 15:[23, 21], Operations: ['41-18=23', '75-54=21'] Exploring Operation: 23*21=483, Resulting Numbers: [483] 483,15 unequal: No Solution Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,15 unequal: No Solution Moving to Node #0,3,2 Current State: 15:[3, 34], Operations: ['54/18=3', '75-41=34'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 3*34=102, Resulting Numbers: [102] 102,15 unequal: No Solution Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,15 unequal: No Solution Moving to Node #0,3,1 Current State: 15:[41, 25], Operations: ['54/18=3', '75/3=25'] Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,15 unequal: No Solution Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,15 unequal: No Solution Moving to Node #0,0,3 Current State: 15:[13, 57], Operations: ['54-41=13', '75-18=57'] Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 13*57=741, Resulting Numbers: [741] 741,15 unequal: No Solution Exploring Operation: 13+57=70, Resulting Numbers: [70] 70,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[18, 62], Operations: ['54-41=13', '75-13=62'] Exploring Operation: 18*62=1116, Resulting Numbers: [1116] 1116,15 unequal: No Solution Exploring Operation: 18+62=80, Resulting Numbers: [80] 80,15 unequal: No Solution Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,15 unequal: No Solution Moving to Node #0,0,1 Current State: 15:[75, 5], Operations: ['54-41=13', '18-13=5'] Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 75*5=375, Resulting Numbers: [375] 375,15 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[41, 75, 18, 54], Operations: [] Exploring Operation: 54-41=13, Resulting Numbers: [75, 18, 13] Generated Node #0,0: 15:[75, 18, 13] Operation: 54-41=13 Moving to Node #0,0 Current State: 15:[75, 18, 13], Operations: ['54-41=13'] Exploring Operation: 18-13=5, Resulting Numbers: [75, 5] Generated Node #0,0,1: 15:[75, 5] Operation: 18-13=5 Moving to Node #0,0,1 Current State: 15:[75, 5], Operations: ['54-41=13', '18-13=5'] Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.928819
hs_5
mult_heuristic
[ 12, 35, 78, 1 ]
81
[ "35+1=36", "36/12=3", "78+3=81" ]
Current State: 81:[12, 35, 78, 1], Operations: [] Exploring Operation: 35+1=36, Resulting Numbers: [12, 78, 36] Generated Node #2: [12, 78, 36] from Operation: 35+1=36 Current State: 81:[12, 78, 36], Operations: ['35+1=36'] Exploring Operation: 36/12=3, Resulting Numbers: [78, 3] Generated Node #3: [78, 3] from Operation: 36/12=3 Current State: 81:[78, 3], Operations: ['35+1=36', '36/12=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[12, 35, 78, 1], Operations: [] Exploring Operation: 12-1=11, Resulting Numbers: [35, 78, 11] Generated Node #0,0: 81:[35, 78, 11] Operation: 12-1=11 Exploring Operation: 35-1=34, Resulting Numbers: [12, 78, 34] Generated Node #0,1: 81:[12, 78, 34] Operation: 35-1=34 Exploring Operation: 78+1=79, Resulting Numbers: [12, 35, 79] Generated Node #0,2: 81:[12, 35, 79] Operation: 78+1=79 Exploring Operation: 35-12=23, Resulting Numbers: [78, 1, 23] Generated Node #0,3: 81:[78, 1, 23] Operation: 35-12=23 Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[78, 1, 23], Operations: ['35-12=23'] Exploring Operation: 78*1=78, Resulting Numbers: [23, 78] Generated Node #0,3,0: 81:[23, 78] Operation: 78*1=78 Exploring Operation: 78/1=78, Resulting Numbers: [23, 78] Generated Node #0,3,1: 81:[23, 78] Operation: 78/1=78 Exploring Operation: 1+23=24, Resulting Numbers: [78, 24] Generated Node #0,3,2: 81:[78, 24] Operation: 1+23=24 Exploring Operation: 78+1=79, Resulting Numbers: [23, 79] Generated Node #0,3,3: 81:[23, 79] Operation: 78+1=79 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 81:[78, 24], Operations: ['35-12=23', '1+23=24'] Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,81 unequal: No Solution Exploring Operation: 78*24=1872, Resulting Numbers: [1872] 1872,81 unequal: No Solution Exploring Operation: 78+24=102, Resulting Numbers: [102] 102,81 unequal: No Solution No 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: 81:[23, 79], Operations: ['35-12=23', '78+1=79'] Exploring Operation: 23*79=1817, Resulting Numbers: [1817] 1817,81 unequal: No Solution Exploring Operation: 23+79=102, Resulting Numbers: [102] 102,81 unequal: No Solution Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,81 unequal: No Solution No 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: 81:[23, 78], Operations: ['35-12=23', '78*1=78'] Exploring Operation: 23+78=101, Resulting Numbers: [101] 101,81 unequal: No Solution Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,81 unequal: No Solution Exploring Operation: 23*78=1794, Resulting Numbers: [1794] 1794,81 unequal: No Solution No 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: 81:[23, 78], Operations: ['35-12=23', '78/1=78'] Exploring Operation: 23*78=1794, Resulting Numbers: [1794] 1794,81 unequal: No Solution Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,81 unequal: No Solution Exploring Operation: 23+78=101, Resulting Numbers: [101] 101,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[35, 78, 11], Operations: ['12-1=11'] Exploring Operation: 35-11=24, Resulting Numbers: [78, 24] Generated Node #0,0,0: 81:[78, 24] Operation: 35-11=24 Exploring Operation: 78+11=89, Resulting Numbers: [35, 89] Generated Node #0,0,1: 81:[35, 89] Operation: 78+11=89 Exploring Operation: 35+11=46, Resulting Numbers: [78, 46] Generated Node #0,0,2: 81:[78, 46] Operation: 35+11=46 Exploring Operation: 78-35=43, Resulting Numbers: [11, 43] Generated Node #0,0,3: 81:[11, 43] Operation: 78-35=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[78, 24], Operations: ['12-1=11', '35-11=24'] Exploring Operation: 78+24=102, Resulting Numbers: [102] 102,81 unequal: No Solution Exploring Operation: 78*24=1872, Resulting Numbers: [1872] 1872,81 unequal: No Solution Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,81 unequal: No Solution No 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: 81:[35, 89], Operations: ['12-1=11', '78+11=89'] Exploring Operation: 35*89=3115, Resulting Numbers: [3115] 3115,81 unequal: No Solution Exploring Operation: 89-35=54, Resulting Numbers: [54] 54,81 unequal: No Solution Exploring Operation: 35+89=124, Resulting Numbers: [124] 124,81 unequal: No Solution No 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: 81:[11, 43], Operations: ['12-1=11', '78-35=43'] Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 11*43=473, Resulting Numbers: [473] 473,81 unequal: No Solution Exploring Operation: 11+43=54, Resulting Numbers: [54] 54,81 unequal: No Solution No 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: 81:[78, 46], Operations: ['12-1=11', '35+11=46'] Exploring Operation: 78+46=124, Resulting Numbers: [124] 124,81 unequal: No Solution Exploring Operation: 78-46=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 78*46=3588, Resulting Numbers: [3588] 3588,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[12, 78, 34], Operations: ['35-1=34'] Exploring Operation: 34-12=22, Resulting Numbers: [78, 22] Generated Node #0,1,0: 81:[78, 22] Operation: 34-12=22 Exploring Operation: 78-34=44, Resulting Numbers: [12, 44] Generated Node #0,1,1: 81:[12, 44] Operation: 78-34=44 Exploring Operation: 78-12=66, Resulting Numbers: [34, 66] Generated Node #0,1,2: 81:[34, 66] Operation: 78-12=66 Exploring Operation: 12+78=90, Resulting Numbers: [34, 90] Generated Node #0,1,3: 81:[34, 90] Operation: 12+78=90 Moving to Node #0,1,0 Current State: 81:[78, 22], Operations: ['35-1=34', '34-12=22'] Exploring Operation: 78*22=1716, Resulting Numbers: [1716] 1716,81 unequal: No Solution Exploring Operation: 78-22=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 78+22=100, Resulting Numbers: [100] 100,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[34, 90], Operations: ['35-1=34', '12+78=90'] Exploring Operation: 34+90=124, Resulting Numbers: [124] 124,81 unequal: No Solution Exploring Operation: 90-34=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 34*90=3060, Resulting Numbers: [3060] 3060,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[12, 44], Operations: ['35-1=34', '78-34=44'] Exploring Operation: 12+44=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 12*44=528, Resulting Numbers: [528] 528,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[34, 66], Operations: ['35-1=34', '78-12=66'] Exploring Operation: 66-34=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 34*66=2244, Resulting Numbers: [2244] 2244,81 unequal: No Solution Exploring Operation: 34+66=100, Resulting Numbers: [100] 100,81 unequal: No Solution No 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: 81:[12, 35, 79], Operations: ['78+1=79'] Exploring Operation: 12+35=47, Resulting Numbers: [79, 47] Generated Node #0,2,0: 81:[79, 47] Operation: 12+35=47 Exploring Operation: 12+79=91, Resulting Numbers: [35, 91] Generated Node #0,2,1: 81:[35, 91] Operation: 12+79=91 Exploring Operation: 79-35=44, Resulting Numbers: [12, 44] Generated Node #0,2,2: 81:[12, 44] Operation: 79-35=44 Exploring Operation: 35-12=23, Resulting Numbers: [79, 23] Generated Node #0,2,3: 81:[79, 23] Operation: 35-12=23 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 81:[79, 23], Operations: ['78+1=79', '35-12=23'] Exploring Operation: 79+23=102, Resulting Numbers: [102] 102,81 unequal: No Solution Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 79*23=1817, Resulting Numbers: [1817] 1817,81 unequal: No Solution No 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: 81:[35, 91], Operations: ['78+1=79', '12+79=91'] Exploring Operation: 35+91=126, Resulting Numbers: [126] 126,81 unequal: No Solution Exploring Operation: 35*91=3185, Resulting Numbers: [3185] 3185,81 unequal: No Solution Exploring Operation: 91-35=56, Resulting Numbers: [56] 56,81 unequal: No Solution No 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: 81:[12, 44], Operations: ['78+1=79', '79-35=44'] Exploring Operation: 12+44=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 12*44=528, Resulting Numbers: [528] 528,81 unequal: No Solution Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,81 unequal: No Solution No 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: 81:[79, 47], Operations: ['78+1=79', '12+35=47'] Exploring Operation: 79+47=126, Resulting Numbers: [126] 126,81 unequal: No Solution Exploring Operation: 79-47=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 79*47=3713, Resulting Numbers: [3713] 3713,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 56, 63, 83, 75 ]
77
[ "56*83=4648", "63*75=4725", "4725-4648=77" ]
Current State: 77:[56, 63, 83, 75], Operations: [] Exploring Operation: 56*83=4648, Resulting Numbers: [63, 75, 4648] Generated Node #2: [63, 75, 4648] from Operation: 56*83=4648 Current State: 77:[63, 75, 4648], Operations: ['56*83=4648'] Exploring Operation: 63*75=4725, Resulting Numbers: [4648, 4725] Generated Node #3: [4648, 4725] from Operation: 63*75=4725 Current State: 77:[4648, 4725], Operations: ['56*83=4648', '63*75=4725'] Exploring Operation: 4725-4648=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[56, 63, 83, 75], Operations: [] Exploring Operation: 63-56=7, Resulting Numbers: [83, 75, 7] Generated Node #0,0: 77:[83, 75, 7] Operation: 63-56=7 Exploring Operation: 75-56=19, Resulting Numbers: [63, 83, 19] Generated Node #0,1: 77:[63, 83, 19] Operation: 75-56=19 Exploring Operation: 75-63=12, Resulting Numbers: [56, 83, 12] Generated Node #0,2: 77:[56, 83, 12] Operation: 75-63=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[83, 75, 7], Operations: ['63-56=7'] Exploring Operation: 83-7=76, Resulting Numbers: [75, 76] Generated Node #0,0,0: 77:[75, 76] Operation: 83-7=76 Exploring Operation: 75+7=82, Resulting Numbers: [83, 82] Generated Node #0,0,1: 77:[83, 82] Operation: 75+7=82 Exploring Operation: 83-75=8, Resulting Numbers: [7, 8] Generated Node #0,0,2: 77:[7, 8] Operation: 83-75=8 Moving to Node #0,0,2 Current State: 77:[7, 8], Operations: ['63-56=7', '83-75=8'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,77 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[75, 76], Operations: ['63-56=7', '83-7=76'] Exploring Operation: 75+76=151, Resulting Numbers: [151] 151,77 unequal: No Solution Exploring Operation: 76-75=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 75*76=5700, Resulting Numbers: [5700] 5700,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[83, 82], Operations: ['63-56=7', '75+7=82'] Exploring Operation: 83-82=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 83*82=6806, Resulting Numbers: [6806] 6806,77 unequal: No Solution Exploring Operation: 83+82=165, Resulting Numbers: [165] 165,77 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 Current State: 77:[63, 83, 19], Operations: ['75-56=19'] Exploring Operation: 83-63=20, Resulting Numbers: [19, 20] Generated Node #0,1,0: 77:[19, 20] Operation: 83-63=20 Exploring Operation: 83-19=64, Resulting Numbers: [63, 64] Generated Node #0,1,1: 77:[63, 64] Operation: 83-19=64 Exploring Operation: 63+19=82, Resulting Numbers: [83, 82] Generated Node #0,1,2: 77:[83, 82] Operation: 63+19=82 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 77:[83, 82], Operations: ['75-56=19', '63+19=82'] Exploring Operation: 83*82=6806, Resulting Numbers: [6806] 6806,77 unequal: No Solution Exploring Operation: 83-82=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 83+82=165, Resulting Numbers: [165] 165,77 unequal: No Solution No 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: 77:[19, 20], Operations: ['75-56=19', '83-63=20'] Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,77 unequal: No Solution Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,77 unequal: No Solution No 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: 77:[63, 64], Operations: ['75-56=19', '83-19=64'] Exploring Operation: 63+64=127, Resulting Numbers: [127] 127,77 unequal: No Solution Exploring Operation: 64-63=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 63*64=4032, Resulting Numbers: [4032] 4032,77 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: 77:[56, 83, 12], Operations: ['75-63=12'] Exploring Operation: 83-56=27, Resulting Numbers: [12, 27] Generated Node #0,2,0: 77:[12, 27] Operation: 83-56=27 Exploring Operation: 56+12=68, Resulting Numbers: [83, 68] Generated Node #0,2,1: 77:[83, 68] Operation: 56+12=68 Exploring Operation: 83-12=71, Resulting Numbers: [56, 71] Generated Node #0,2,2: 77:[56, 71] Operation: 83-12=71 Moving to Node #0,2,1 Current State: 77:[83, 68], Operations: ['75-63=12', '56+12=68'] Exploring Operation: 83+68=151, Resulting Numbers: [151] 151,77 unequal: No Solution Exploring Operation: 83-68=15, Resulting Numbers: [15] 15,77 unequal: No Solution Exploring Operation: 83*68=5644, Resulting Numbers: [5644] 5644,77 unequal: No Solution Moving to Node #0,2,0 Current State: 77:[12, 27], Operations: ['75-63=12', '83-56=27'] Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,77 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,77 unequal: No Solution Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,77 unequal: No Solution Moving to Node #0,2,2 Current State: 77:[56, 71], Operations: ['75-63=12', '83-12=71'] Exploring Operation: 56+71=127, Resulting Numbers: [127] 127,77 unequal: No Solution Exploring Operation: 71-56=15, Resulting Numbers: [15] 15,77 unequal: No Solution Exploring Operation: 56*71=3976, Resulting Numbers: [3976] 3976,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 15, 30, 23, 2 ]
91
[ "15+30=45", "23*2=46", "45+46=91" ]
Current State: 91:[15, 30, 23, 2], Operations: [] Exploring Operation: 15+30=45, Resulting Numbers: [23, 2, 45] Generated Node #2: [23, 2, 45] from Operation: 15+30=45 Current State: 91:[23, 2, 45], Operations: ['15+30=45'] Exploring Operation: 23*2=46, Resulting Numbers: [45, 46] Generated Node #3: [45, 46] from Operation: 23*2=46 Current State: 91:[45, 46], Operations: ['15+30=45', '23*2=46'] Exploring Operation: 45+46=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[15, 30, 23, 2], Operations: [] Exploring Operation: 30-23=7, Resulting Numbers: [15, 2, 7] Generated Node #0,0: 91:[15, 2, 7] Operation: 30-23=7 Exploring Operation: 30/2=15, Resulting Numbers: [15, 23, 15] Generated Node #0,1: 91:[15, 23, 15] Operation: 30/2=15 Moving to Node #0,0 Current State: 91:[15, 2, 7], Operations: ['30-23=7'] Exploring Operation: 2*7=14, Resulting Numbers: [15, 14] Generated Node #0,0,0: 91:[15, 14] Operation: 2*7=14 Exploring Operation: 15-2=13, Resulting Numbers: [7, 13] Generated Node #0,0,1: 91:[7, 13] Operation: 15-2=13 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 91:[7, 13], Operations: ['30-23=7', '15-2=13'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[15, 30, 23, 2], Operations: [] Exploring Operation: 30-23=7, Resulting Numbers: [15, 2, 7] Generated Node #0,0: 91:[15, 2, 7] Operation: 30-23=7 Moving to Node #0,0 Current State: 91:[15, 2, 7], Operations: ['30-23=7'] Exploring Operation: 15-2=13, Resulting Numbers: [7, 13] Generated Node #0,0,1: 91:[7, 13] Operation: 15-2=13 Moving to Node #0,0,1 Current State: 91:[7, 13], Operations: ['30-23=7', '15-2=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 72, 71, 44, 68 ]
68
[ "71-68=3", "72/3=24", "44+24=68" ]
Current State: 68:[72, 71, 44, 68], Operations: [] Exploring Operation: 71-68=3, Resulting Numbers: [72, 44, 3] Generated Node #2: [72, 44, 3] from Operation: 71-68=3 Current State: 68:[72, 44, 3], Operations: ['71-68=3'] Exploring Operation: 72/3=24, Resulting Numbers: [44, 24] Generated Node #3: [44, 24] from Operation: 72/3=24 Current State: 68:[44, 24], Operations: ['71-68=3', '72/3=24'] Exploring Operation: 44+24=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[72, 71, 44, 68], Operations: [] Exploring Operation: 72-71=1, Resulting Numbers: [44, 68, 1] Generated Node #0,0: 68:[44, 68, 1] Operation: 72-71=1 Exploring Operation: 71-44=27, Resulting Numbers: [72, 68, 27] Generated Node #0,1: 68:[72, 68, 27] Operation: 71-44=27 Exploring Operation: 72-68=4, Resulting Numbers: [71, 44, 4] Generated Node #0,2: 68:[71, 44, 4] Operation: 72-68=4 Exploring Operation: 72-44=28, Resulting Numbers: [71, 68, 28] Generated Node #0,3: 68:[71, 68, 28] Operation: 72-44=28 Moving to Node #0,3 Current State: 68:[71, 68, 28], Operations: ['72-44=28'] Exploring Operation: 71-28=43, Resulting Numbers: [68, 43] Generated Node #0,3,0: 68:[68, 43] Operation: 71-28=43 Exploring Operation: 68-28=40, Resulting Numbers: [71, 40] Generated Node #0,3,1: 68:[71, 40] Operation: 68-28=40 Exploring Operation: 71-68=3, Resulting Numbers: [28, 3] Generated Node #0,3,2: 68:[28, 3] Operation: 71-68=3 Exploring Operation: 71+28=99, Resulting Numbers: [68, 99] Generated Node #0,3,3: 68:[68, 99] Operation: 71+28=99 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 68:[28, 3], Operations: ['72-44=28', '71-68=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,68 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 68:[68, 43], Operations: ['72-44=28', '71-28=43'] Exploring Operation: 68*43=2924, Resulting Numbers: [2924] 2924,68 unequal: No Solution Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 68+43=111, Resulting Numbers: [111] 111,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 68:[71, 40], Operations: ['72-44=28', '68-28=40'] Exploring Operation: 71*40=2840, Resulting Numbers: [2840] 2840,68 unequal: No Solution Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 71+40=111, Resulting Numbers: [111] 111,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 68:[68, 99], Operations: ['72-44=28', '71+28=99'] Exploring Operation: 68*99=6732, Resulting Numbers: [6732] 6732,68 unequal: No Solution Exploring Operation: 68+99=167, Resulting Numbers: [167] 167,68 unequal: No Solution Exploring Operation: 99-68=31, Resulting Numbers: [31] 31,68 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: 68:[72, 68, 27], Operations: ['71-44=27'] Exploring Operation: 72-27=45, Resulting Numbers: [68, 45] Generated Node #0,1,0: 68:[68, 45] Operation: 72-27=45 Exploring Operation: 72+27=99, Resulting Numbers: [68, 99] Generated Node #0,1,1: 68:[68, 99] Operation: 72+27=99 Exploring Operation: 68-27=41, Resulting Numbers: [72, 41] Generated Node #0,1,2: 68:[72, 41] Operation: 68-27=41 Exploring Operation: 72-68=4, Resulting Numbers: [27, 4] Generated Node #0,1,3: 68:[27, 4] Operation: 72-68=4 Moving to Node #0,0 Current State: 68:[44, 68, 1], Operations: ['72-71=1'] Exploring Operation: 44/1=44, Resulting Numbers: [68, 44] Generated Node #0,0,0: 68:[68, 44] Operation: 44/1=44 Exploring Operation: 44*1=44, Resulting Numbers: [68, 44] Generated Node #0,0,1: 68:[68, 44] Operation: 44*1=44 Exploring Operation: 68-44=24, Resulting Numbers: [1, 24] Generated Node #0,0,2: 68:[1, 24] Operation: 68-44=24 Exploring Operation: 44-1=43, Resulting Numbers: [68, 43] Generated Node #0,0,3: 68:[68, 43] Operation: 44-1=43 Moving to Node #0,2 Current State: 68:[71, 44, 4], Operations: ['72-68=4'] Exploring Operation: 71-44=27, Resulting Numbers: [4, 27] Generated Node #0,2,0: 68:[4, 27] Operation: 71-44=27 Exploring Operation: 71-4=67, Resulting Numbers: [44, 67] Generated Node #0,2,1: 68:[44, 67] Operation: 71-4=67 Exploring Operation: 44/4=11, Resulting Numbers: [71, 11] Generated Node #0,2,2: 68:[71, 11] Operation: 44/4=11 Exploring Operation: 44-4=40, Resulting Numbers: [71, 40] Generated Node #0,2,3: 68:[71, 40] Operation: 44-4=40 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 68:[4, 27], Operations: ['72-68=4', '71-44=27'] Exploring Operation: 4*27=108, Resulting Numbers: [108] 108,68 unequal: No Solution Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 68:[71, 11], Operations: ['72-68=4', '44/4=11'] Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,68 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,68 unequal: No Solution Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 68:[71, 40], Operations: ['72-68=4', '44-4=40'] Exploring Operation: 71+40=111, Resulting Numbers: [111] 111,68 unequal: No Solution Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 71*40=2840, Resulting Numbers: [2840] 2840,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 68:[44, 67], Operations: ['72-68=4', '71-4=67'] Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 44+67=111, Resulting Numbers: [111] 111,68 unequal: No Solution Exploring Operation: 44*67=2948, Resulting Numbers: [2948] 2948,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 68:[27, 4], Operations: ['71-44=27', '72-68=4'] Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 27*4=108, Resulting Numbers: [108] 108,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[1, 24], Operations: ['72-71=1', '68-44=24'] Exploring Operation: 1+24=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 1*24=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,68 unequal: No Solution Moving to Node #0,0,3 Current State: 68:[68, 43], Operations: ['72-71=1', '44-1=43'] Exploring Operation: 68+43=111, Resulting Numbers: [111] 111,68 unequal: No Solution Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 68*43=2924, Resulting Numbers: [2924] 2924,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[68, 44], Operations: ['72-71=1', '44/1=44'] Exploring Operation: 68*44=2992, Resulting Numbers: [2992] 2992,68 unequal: No Solution Exploring Operation: 68-44=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 68+44=112, Resulting Numbers: [112] 112,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[68, 44], Operations: ['72-71=1', '44*1=44'] Exploring Operation: 68-44=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 68+44=112, Resulting Numbers: [112] 112,68 unequal: No Solution Exploring Operation: 68*44=2992, Resulting Numbers: [2992] 2992,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[72, 41], Operations: ['71-44=27', '68-27=41'] Exploring Operation: 72*41=2952, Resulting Numbers: [2952] 2952,68 unequal: No Solution Exploring Operation: 72+41=113, Resulting Numbers: [113] 113,68 unequal: No Solution Exploring Operation: 72-41=31, Resulting Numbers: [31] 31,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[68, 45], Operations: ['71-44=27', '72-27=45'] Exploring Operation: 68*45=3060, Resulting Numbers: [3060] 3060,68 unequal: No Solution Exploring Operation: 68-45=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 68+45=113, Resulting Numbers: [113] 113,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[68, 99], Operations: ['71-44=27', '72+27=99'] Exploring Operation: 68*99=6732, Resulting Numbers: [6732] 6732,68 unequal: No Solution Exploring Operation: 99-68=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 68+99=167, Resulting Numbers: [167] 167,68 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 7, 8, 86, 13 ]
38
[ "13-7=6", "8*6=48", "86-48=38" ]
Current State: 38:[7, 8, 86, 13], Operations: [] Exploring Operation: 13-7=6, Resulting Numbers: [8, 86, 6] Generated Node #2: [8, 86, 6] from Operation: 13-7=6 Current State: 38:[8, 86, 6], Operations: ['13-7=6'] Exploring Operation: 8*6=48, Resulting Numbers: [86, 48] Generated Node #3: [86, 48] from Operation: 8*6=48 Current State: 38:[86, 48], Operations: ['13-7=6', '8*6=48'] Exploring Operation: 86-48=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[7, 8, 86, 13], Operations: [] Exploring Operation: 86-8=78, Resulting Numbers: [7, 13, 78] Generated Node #0,0: 38:[7, 13, 78] Operation: 86-8=78 Exploring Operation: 86-13=73, Resulting Numbers: [7, 8, 73] Generated Node #0,1: 38:[7, 8, 73] Operation: 86-13=73 Moving to Node #0,1 Current State: 38:[7, 8, 73], Operations: ['86-13=73'] Exploring Operation: 73-8=65, Resulting Numbers: [7, 65] Generated Node #0,1,0: 38:[7, 65] Operation: 73-8=65 Exploring Operation: 73-7=66, Resulting Numbers: [8, 66] Generated Node #0,1,1: 38:[8, 66] Operation: 73-7=66 Moving to Node #0,0 Current State: 38:[7, 13, 78], Operations: ['86-8=78'] Exploring Operation: 78/13=6, Resulting Numbers: [7, 6] Generated Node #0,0,0: 38:[7, 6] Operation: 78/13=6 Exploring Operation: 78-13=65, Resulting Numbers: [7, 65] Generated Node #0,0,1: 38:[7, 65] Operation: 78-13=65 Moving to Node #0,0,0 Current State: 38:[7, 6], Operations: ['86-8=78', '78/13=6'] Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,38 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[7, 65], Operations: ['86-13=73', '73-8=65'] Exploring Operation: 65-7=58, Resulting Numbers: [58] 58,38 unequal: No Solution Exploring Operation: 7+65=72, Resulting Numbers: [72] 72,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[7, 65], Operations: ['86-8=78', '78-13=65'] Exploring Operation: 7+65=72, Resulting Numbers: [72] 72,38 unequal: No Solution Exploring Operation: 65-7=58, Resulting Numbers: [58] 58,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[8, 66], Operations: ['86-13=73', '73-7=66'] Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,38 unequal: No Solution Exploring Operation: 8+66=74, Resulting Numbers: [74] 74,38 unequal: No Solution No solution found.
0
hs_2
mult_heuristic