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
[ 94, 50, 20, 48 ]
57
[ "94+20=114", "50-48=2", "114/2=57" ]
Current State: 57:[94, 50, 20, 48], Operations: [] Exploring Operation: 94+20=114, Resulting Numbers: [50, 48, 114] Generated Node #2: [50, 48, 114] from Operation: 94+20=114 Current State: 57:[50, 48, 114], Operations: ['94+20=114'] Exploring Operation: 50-48=2, Resulting Numbers: [114, 2] Generated Node #3: [114, 2] from Operation: 50-48=2 Current State: 57:[114, 2], Operations: ['94+20=114', '50-48=2'] Exploring Operation: 114/2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[94, 50, 20, 48], Operations: [] Exploring Operation: 94-20=74, Resulting Numbers: [50, 48, 74] Generated Node #0,0: 57:[50, 48, 74] Operation: 94-20=74 Exploring Operation: 94-48=46, Resulting Numbers: [50, 20, 46] Generated Node #0,1: 57:[50, 20, 46] Operation: 94-48=46 Exploring Operation: 94-50=44, Resulting Numbers: [20, 48, 44] Generated Node #0,2: 57:[20, 48, 44] Operation: 94-50=44 Exploring Operation: 48-20=28, Resulting Numbers: [94, 50, 28] Generated Node #0,3: 57:[94, 50, 28] Operation: 48-20=28 Exploring Operation: 50-48=2, Resulting Numbers: [94, 20, 2] Generated Node #0,4: 57:[94, 20, 2] Operation: 50-48=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[50, 20, 46], Operations: ['94-48=46'] Exploring Operation: 46-20=26, Resulting Numbers: [50, 26] Generated Node #0,1,0: 57:[50, 26] Operation: 46-20=26 Exploring Operation: 50-46=4, Resulting Numbers: [20, 4] Generated Node #0,1,1: 57:[20, 4] Operation: 50-46=4 Exploring Operation: 50+20=70, Resulting Numbers: [46, 70] Generated Node #0,1,2: 57:[46, 70] Operation: 50+20=70 Exploring Operation: 20+46=66, Resulting Numbers: [50, 66] Generated Node #0,1,3: 57:[50, 66] Operation: 20+46=66 Exploring Operation: 50-20=30, Resulting Numbers: [46, 30] Generated Node #0,1,4: 57:[46, 30] Operation: 50-20=30 Moving to Node #0,1,1 Current State: 57:[20, 4], Operations: ['94-48=46', '50-46=4'] Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,57 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[50, 26], Operations: ['94-48=46', '46-20=26'] Exploring Operation: 50*26=1300, Resulting Numbers: [1300] 1300,57 unequal: No Solution Exploring Operation: 50+26=76, Resulting Numbers: [76] 76,57 unequal: No Solution Exploring Operation: 50-26=24, Resulting Numbers: [24] 24,57 unequal: No Solution Moving to Node #0,1,3 Current State: 57:[50, 66], Operations: ['94-48=46', '20+46=66'] Exploring Operation: 50+66=116, Resulting Numbers: [116] 116,57 unequal: No Solution Exploring Operation: 50*66=3300, Resulting Numbers: [3300] 3300,57 unequal: No Solution Exploring Operation: 66-50=16, Resulting Numbers: [16] 16,57 unequal: No Solution Moving to Node #0,1,4 Current State: 57:[46, 30], Operations: ['94-48=46', '50-20=30'] Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 46*30=1380, Resulting Numbers: [1380] 1380,57 unequal: No Solution Exploring Operation: 46+30=76, Resulting Numbers: [76] 76,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[46, 70], Operations: ['94-48=46', '50+20=70'] Exploring Operation: 46*70=3220, Resulting Numbers: [3220] 3220,57 unequal: No Solution Exploring Operation: 46+70=116, Resulting Numbers: [116] 116,57 unequal: No Solution Exploring Operation: 70-46=24, Resulting Numbers: [24] 24,57 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 #0,2 Current State: 57:[20, 48, 44], Operations: ['94-50=44'] Exploring Operation: 48-44=4, Resulting Numbers: [20, 4] Generated Node #0,2,0: 57:[20, 4] Operation: 48-44=4 Exploring Operation: 44-20=24, Resulting Numbers: [48, 24] Generated Node #0,2,1: 57:[48, 24] Operation: 44-20=24 Exploring Operation: 48-20=28, Resulting Numbers: [44, 28] Generated Node #0,2,2: 57:[44, 28] Operation: 48-20=28 Exploring Operation: 20+48=68, Resulting Numbers: [44, 68] Generated Node #0,2,3: 57:[44, 68] Operation: 20+48=68 Exploring Operation: 20+44=64, Resulting Numbers: [48, 64] Generated Node #0,2,4: 57:[48, 64] Operation: 20+44=64 Moving to Node #0,2,0 Current State: 57:[20, 4], Operations: ['94-50=44', '48-44=4'] Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,57 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[48, 24], Operations: ['94-50=44', '44-20=24'] Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 48+24=72, Resulting Numbers: [72] 72,57 unequal: No Solution Exploring Operation: 48*24=1152, Resulting Numbers: [1152] 1152,57 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,57 unequal: No Solution Moving to Node #0,2,4 Current State: 57:[48, 64], Operations: ['94-50=44', '20+44=64'] Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 48*64=3072, Resulting Numbers: [3072] 3072,57 unequal: No Solution Exploring Operation: 48+64=112, Resulting Numbers: [112] 112,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[44, 28], Operations: ['94-50=44', '48-20=28'] Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 44+28=72, Resulting Numbers: [72] 72,57 unequal: No Solution Exploring Operation: 44*28=1232, Resulting Numbers: [1232] 1232,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[44, 68], Operations: ['94-50=44', '20+48=68'] Exploring Operation: 44*68=2992, Resulting Numbers: [2992] 2992,57 unequal: No Solution Exploring Operation: 44+68=112, Resulting Numbers: [112] 112,57 unequal: No Solution Exploring Operation: 68-44=24, Resulting Numbers: [24] 24,57 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 Current State: 57:[50, 48, 74], Operations: ['94-20=74'] Exploring Operation: 48+74=122, Resulting Numbers: [50, 122] Generated Node #0,0,0: 57:[50, 122] Operation: 48+74=122 Exploring Operation: 74-50=24, Resulting Numbers: [48, 24] Generated Node #0,0,1: 57:[48, 24] Operation: 74-50=24 Exploring Operation: 74-48=26, Resulting Numbers: [50, 26] Generated Node #0,0,2: 57:[50, 26] Operation: 74-48=26 Exploring Operation: 50-48=2, Resulting Numbers: [74, 2] Generated Node #0,0,3: 57:[74, 2] Operation: 50-48=2 Exploring Operation: 50+48=98, Resulting Numbers: [74, 98] Generated Node #0,0,4: 57:[74, 98] Operation: 50+48=98 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[48, 24], Operations: ['94-20=74', '74-50=24'] Exploring Operation: 48*24=1152, Resulting Numbers: [1152] 1152,57 unequal: No Solution Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 48+24=72, Resulting Numbers: [72] 72,57 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,57 unequal: No Solution No 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: 57:[50, 26], Operations: ['94-20=74', '74-48=26'] Exploring Operation: 50*26=1300, Resulting Numbers: [1300] 1300,57 unequal: No Solution Exploring Operation: 50-26=24, Resulting Numbers: [24] 24,57 unequal: No Solution Exploring Operation: 50+26=76, Resulting Numbers: [76] 76,57 unequal: No Solution No 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: 57:[74, 2], Operations: ['94-20=74', '50-48=2'] Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 74*2=148, Resulting Numbers: [148] 148,57 unequal: No Solution Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,57 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,57 unequal: No Solution No 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: 57:[74, 98], Operations: ['94-20=74', '50+48=98'] Exploring Operation: 74+98=172, Resulting Numbers: [172] 172,57 unequal: No Solution Exploring Operation: 98-74=24, Resulting Numbers: [24] 24,57 unequal: No Solution Exploring Operation: 74*98=7252, Resulting Numbers: [7252] 7252,57 unequal: No Solution No 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: 57:[50, 122], Operations: ['94-20=74', '48+74=122'] Exploring Operation: 50+122=172, Resulting Numbers: [172] 172,57 unequal: No Solution Exploring Operation: 122-50=72, Resulting Numbers: [72] 72,57 unequal: No Solution Exploring Operation: 50*122=6100, Resulting Numbers: [6100] 6100,57 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: 57:[94, 20, 2], Operations: ['50-48=2'] Exploring Operation: 94/2=47, Resulting Numbers: [20, 47] Generated Node #0,4,0: 57:[20, 47] Operation: 94/2=47 Exploring Operation: 94-2=92, Resulting Numbers: [20, 92] Generated Node #0,4,1: 57:[20, 92] Operation: 94-2=92 Exploring Operation: 94-20=74, Resulting Numbers: [2, 74] Generated Node #0,4,2: 57:[2, 74] Operation: 94-20=74 Exploring Operation: 20-2=18, Resulting Numbers: [94, 18] Generated Node #0,4,3: 57:[94, 18] Operation: 20-2=18 Exploring Operation: 94+2=96, Resulting Numbers: [20, 96] Generated Node #0,4,4: 57:[20, 96] Operation: 94+2=96 Moving to Node #0,4,0 Current State: 57:[20, 47], Operations: ['50-48=2', '94/2=47'] Exploring Operation: 20*47=940, Resulting Numbers: [940] 940,57 unequal: No Solution Exploring Operation: 20+47=67, Resulting Numbers: [67] 67,57 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,57 unequal: No Solution Moving to Node #0,4,2 Current State: 57:[2, 74], Operations: ['50-48=2', '94-20=74'] Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,57 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,57 unequal: No Solution Exploring Operation: 2*74=148, Resulting Numbers: [148] 148,57 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,57 unequal: No Solution Moving to Node #0,4,1 Current State: 57:[20, 92], Operations: ['50-48=2', '94-2=92'] Exploring Operation: 20+92=112, Resulting Numbers: [112] 112,57 unequal: No Solution Exploring Operation: 92-20=72, Resulting Numbers: [72] 72,57 unequal: No Solution Exploring Operation: 20*92=1840, Resulting Numbers: [1840] 1840,57 unequal: No Solution Moving to Node #0,4,3 Current State: 57:[94, 18], Operations: ['50-48=2', '20-2=18'] Exploring Operation: 94*18=1692, Resulting Numbers: [1692] 1692,57 unequal: No Solution Exploring Operation: 94+18=112, Resulting Numbers: [112] 112,57 unequal: No Solution Exploring Operation: 94-18=76, Resulting Numbers: [76] 76,57 unequal: No Solution Moving to Node #0,4,4 Current State: 57:[20, 96], Operations: ['50-48=2', '94+2=96'] Exploring Operation: 96-20=76, Resulting Numbers: [76] 76,57 unequal: No Solution Exploring Operation: 20*96=1920, Resulting Numbers: [1920] 1920,57 unequal: No Solution Exploring Operation: 20+96=116, Resulting Numbers: [116] 116,57 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 #0,3 Current State: 57:[94, 50, 28], Operations: ['48-20=28'] Exploring Operation: 94+28=122, Resulting Numbers: [50, 122] Generated Node #0,3,0: 57:[50, 122] Operation: 94+28=122 Exploring Operation: 50+28=78, Resulting Numbers: [94, 78] Generated Node #0,3,1: 57:[94, 78] Operation: 50+28=78 Exploring Operation: 50-28=22, Resulting Numbers: [94, 22] Generated Node #0,3,2: 57:[94, 22] Operation: 50-28=22 Exploring Operation: 94-28=66, Resulting Numbers: [50, 66] Generated Node #0,3,3: 57:[50, 66] Operation: 94-28=66 Exploring Operation: 94-50=44, Resulting Numbers: [28, 44] Generated Node #0,3,4: 57:[28, 44] Operation: 94-50=44 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 57:[50, 66], Operations: ['48-20=28', '94-28=66'] Exploring Operation: 66-50=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 50+66=116, Resulting Numbers: [116] 116,57 unequal: No Solution Exploring Operation: 50*66=3300, Resulting Numbers: [3300] 3300,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 57:[28, 44], Operations: ['48-20=28', '94-50=44'] Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,57 unequal: No Solution Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,57 unequal: No Solution Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,57 unequal: No Solution No 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: 57:[94, 22], Operations: ['48-20=28', '50-28=22'] Exploring Operation: 94*22=2068, Resulting Numbers: [2068] 2068,57 unequal: No Solution Exploring Operation: 94+22=116, Resulting Numbers: [116] 116,57 unequal: No Solution Exploring Operation: 94-22=72, Resulting Numbers: [72] 72,57 unequal: No Solution No 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: 57:[94, 78], Operations: ['48-20=28', '50+28=78'] Exploring Operation: 94-78=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 94+78=172, Resulting Numbers: [172] 172,57 unequal: No Solution Exploring Operation: 94*78=7332, Resulting Numbers: [7332] 7332,57 unequal: No Solution No 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: 57:[50, 122], Operations: ['48-20=28', '94+28=122'] Exploring Operation: 50*122=6100, Resulting Numbers: [6100] 6100,57 unequal: No Solution Exploring Operation: 50+122=172, Resulting Numbers: [172] 172,57 unequal: No Solution Exploring Operation: 122-50=72, Resulting Numbers: [72] 72,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 76, 15, 77, 18 ]
51
[ "76+77=153", "18-15=3", "153/3=51" ]
Current State: 51:[76, 15, 77, 18], Operations: [] Exploring Operation: 76+77=153, Resulting Numbers: [15, 18, 153] Generated Node #2: [15, 18, 153] from Operation: 76+77=153 Current State: 51:[15, 18, 153], Operations: ['76+77=153'] Exploring Operation: 18-15=3, Resulting Numbers: [153, 3] Generated Node #3: [153, 3] from Operation: 18-15=3 Current State: 51:[153, 3], Operations: ['76+77=153', '18-15=3'] Exploring Operation: 153/3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[76, 15, 77, 18], Operations: [] Exploring Operation: 77-76=1, Resulting Numbers: [15, 18, 1] Generated Node #0,0: 51:[15, 18, 1] Operation: 77-76=1 Exploring Operation: 76-18=58, Resulting Numbers: [15, 77, 58] Generated Node #0,1: 51:[15, 77, 58] Operation: 76-18=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[15, 18, 1], Operations: ['77-76=1'] Exploring Operation: 15+1=16, Resulting Numbers: [18, 16] Generated Node #0,0,0: 51:[18, 16] Operation: 15+1=16 Exploring Operation: 18-15=3, Resulting Numbers: [1, 3] Generated Node #0,0,1: 51:[1, 3] Operation: 18-15=3 Moving to Node #0,0,0 Current State: 51:[18, 16], Operations: ['77-76=1', '15+1=16'] Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[1, 3], Operations: ['77-76=1', '18-15=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 3/1=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 Current State: 51:[15, 77, 58], Operations: ['76-18=58'] Exploring Operation: 77-58=19, Resulting Numbers: [15, 19] Generated Node #0,1,0: 51:[15, 19] Operation: 77-58=19 Exploring Operation: 77-15=62, Resulting Numbers: [58, 62] Generated Node #0,1,1: 51:[58, 62] Operation: 77-15=62 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[15, 19], Operations: ['76-18=58', '77-58=19'] Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 51:[58, 62], Operations: ['76-18=58', '77-15=62'] Exploring Operation: 58+62=120, Resulting Numbers: [120] 120,51 unequal: No Solution Exploring Operation: 62-58=4, Resulting Numbers: [4] 4,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 50, 26, 1, 6 ]
71
[ "50+26=76", "6-1=5", "76-5=71" ]
Current State: 71:[50, 26, 1, 6], Operations: [] Exploring Operation: 50+26=76, Resulting Numbers: [1, 6, 76] Generated Node #2: [1, 6, 76] from Operation: 50+26=76 Current State: 71:[1, 6, 76], Operations: ['50+26=76'] Exploring Operation: 6-1=5, Resulting Numbers: [76, 5] Generated Node #3: [76, 5] from Operation: 6-1=5 Current State: 71:[76, 5], Operations: ['50+26=76', '6-1=5'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[50, 26, 1, 6], Operations: [] Exploring Operation: 26+6=32, Resulting Numbers: [50, 1, 32] Generated Node #0,0: 71:[50, 1, 32] Operation: 26+6=32 Exploring Operation: 50+1=51, Resulting Numbers: [26, 6, 51] Generated Node #0,1: 71:[26, 6, 51] Operation: 50+1=51 Exploring Operation: 50+6=56, Resulting Numbers: [26, 1, 56] Generated Node #0,2: 71:[26, 1, 56] Operation: 50+6=56 Exploring Operation: 26+1=27, Resulting Numbers: [50, 6, 27] Generated Node #0,3: 71:[50, 6, 27] Operation: 26+1=27 Moving to Node #0,0 Current State: 71:[50, 1, 32], Operations: ['26+6=32'] Exploring Operation: 1+32=33, Resulting Numbers: [50, 33] Generated Node #0,0,0: 71:[50, 33] Operation: 1+32=33 Exploring Operation: 50/1=50, Resulting Numbers: [32, 50] Generated Node #0,0,1: 71:[32, 50] Operation: 50/1=50 Exploring Operation: 50+1=51, Resulting Numbers: [32, 51] Generated Node #0,0,2: 71:[32, 51] Operation: 50+1=51 Exploring Operation: 50*1=50, Resulting Numbers: [32, 50] Generated Node #0,0,3: 71:[32, 50] Operation: 50*1=50 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[50, 33], Operations: ['26+6=32', '1+32=33'] Exploring Operation: 50-33=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 50*33=1650, Resulting Numbers: [1650] 1650,71 unequal: No Solution Exploring Operation: 50+33=83, Resulting Numbers: [83] 83,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[32, 51], Operations: ['26+6=32', '50+1=51'] Exploring Operation: 32+51=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 32*51=1632, Resulting Numbers: [1632] 1632,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[32, 50], Operations: ['26+6=32', '50/1=50'] Exploring Operation: 32*50=1600, Resulting Numbers: [1600] 1600,71 unequal: No Solution Exploring Operation: 32+50=82, Resulting Numbers: [82] 82,71 unequal: No Solution Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 71:[32, 50], Operations: ['26+6=32', '50*1=50'] Exploring Operation: 32*50=1600, Resulting Numbers: [1600] 1600,71 unequal: No Solution Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,71 unequal: No Solution Exploring Operation: 32+50=82, Resulting Numbers: [82] 82,71 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: 71:[26, 1, 56], Operations: ['50+6=56'] Exploring Operation: 1+56=57, Resulting Numbers: [26, 57] Generated Node #0,2,0: 71:[26, 57] Operation: 1+56=57 Exploring Operation: 26*1=26, Resulting Numbers: [56, 26] Generated Node #0,2,1: 71:[56, 26] Operation: 26*1=26 Exploring Operation: 26/1=26, Resulting Numbers: [56, 26] Generated Node #0,2,2: 71:[56, 26] Operation: 26/1=26 Exploring Operation: 26+1=27, Resulting Numbers: [56, 27] Generated Node #0,2,3: 71:[56, 27] Operation: 26+1=27 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 71:[26, 57], Operations: ['50+6=56', '1+56=57'] Exploring Operation: 26*57=1482, Resulting Numbers: [1482] 1482,71 unequal: No Solution Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,71 unequal: No Solution Exploring Operation: 26+57=83, Resulting Numbers: [83] 83,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 71:[56, 27], Operations: ['50+6=56', '26+1=27'] Exploring Operation: 56+27=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,71 unequal: No Solution Exploring Operation: 56*27=1512, Resulting Numbers: [1512] 1512,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 71:[56, 26], Operations: ['50+6=56', '26*1=26'] Exploring Operation: 56+26=82, Resulting Numbers: [82] 82,71 unequal: No Solution Exploring Operation: 56*26=1456, Resulting Numbers: [1456] 1456,71 unequal: No Solution Exploring Operation: 56-26=30, Resulting Numbers: [30] 30,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 71:[56, 26], Operations: ['50+6=56', '26/1=26'] Exploring Operation: 56*26=1456, Resulting Numbers: [1456] 1456,71 unequal: No Solution Exploring Operation: 56-26=30, Resulting Numbers: [30] 30,71 unequal: No Solution Exploring Operation: 56+26=82, Resulting Numbers: [82] 82,71 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: 71:[26, 6, 51], Operations: ['50+1=51'] Exploring Operation: 26+51=77, Resulting Numbers: [6, 77] Generated Node #0,1,0: 71:[6, 77] Operation: 26+51=77 Exploring Operation: 26-6=20, Resulting Numbers: [51, 20] Generated Node #0,1,1: 71:[51, 20] Operation: 26-6=20 Exploring Operation: 26+6=32, Resulting Numbers: [51, 32] Generated Node #0,1,2: 71:[51, 32] Operation: 26+6=32 Exploring Operation: 6+51=57, Resulting Numbers: [26, 57] Generated Node #0,1,3: 71:[26, 57] Operation: 6+51=57 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[51, 32], Operations: ['50+1=51', '26+6=32'] Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 71:[26, 57], Operations: ['50+1=51', '6+51=57'] Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,71 unequal: No Solution Exploring Operation: 26+57=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 26*57=1482, Resulting Numbers: [1482] 1482,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[6, 77], Operations: ['50+1=51', '26+51=77'] Exploring Operation: 77-6=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[50, 26, 1, 6], Operations: [] Exploring Operation: 50+1=51, Resulting Numbers: [26, 6, 51] Generated Node #0,1: 71:[26, 6, 51] Operation: 50+1=51 Moving to Node #0,1 Current State: 71:[26, 6, 51], Operations: ['50+1=51'] Exploring Operation: 26+51=77, Resulting Numbers: [6, 77] Generated Node #0,1,0: 71:[6, 77] Operation: 26+51=77 Moving to Node #0,1,0 Current State: 71:[6, 77], Operations: ['50+1=51', '26+51=77'] Exploring Operation: 77-6=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.955729
hs_4
mult_heuristic
[ 46, 53, 62, 8 ]
47
[ "53-46=7", "62-8=54", "54-7=47" ]
Current State: 47:[46, 53, 62, 8], Operations: [] Exploring Operation: 53-46=7, Resulting Numbers: [62, 8, 7] Generated Node #2: [62, 8, 7] from Operation: 53-46=7 Current State: 47:[62, 8, 7], Operations: ['53-46=7'] Exploring Operation: 62-8=54, Resulting Numbers: [7, 54] Generated Node #3: [7, 54] from Operation: 62-8=54 Current State: 47:[7, 54], Operations: ['53-46=7', '62-8=54'] Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[46, 53, 62, 8], Operations: [] Exploring Operation: 62-8=54, Resulting Numbers: [46, 53, 54] Generated Node #0,0: 47:[46, 53, 54] Operation: 62-8=54 Exploring Operation: 46-8=38, Resulting Numbers: [53, 62, 38] Generated Node #0,1: 47:[53, 62, 38] Operation: 46-8=38 Exploring Operation: 46+8=54, Resulting Numbers: [53, 62, 54] Generated Node #0,2: 47:[53, 62, 54] Operation: 46+8=54 Exploring Operation: 53-8=45, Resulting Numbers: [46, 62, 45] Generated Node #0,3: 47:[46, 62, 45] Operation: 53-8=45 Moving to Node #0,0 Current State: 47:[46, 53, 54], Operations: ['62-8=54'] Exploring Operation: 54-53=1, Resulting Numbers: [46, 1] Generated Node #0,0,0: 47:[46, 1] Operation: 54-53=1 Exploring Operation: 46+53=99, Resulting Numbers: [54, 99] Generated Node #0,0,1: 47:[54, 99] Operation: 46+53=99 Exploring Operation: 54-46=8, Resulting Numbers: [53, 8] Generated Node #0,0,2: 47:[53, 8] Operation: 54-46=8 Exploring Operation: 53-46=7, Resulting Numbers: [54, 7] Generated Node #0,0,3: 47:[54, 7] Operation: 53-46=7 Moving to Node #0,3 Current State: 47:[46, 62, 45], Operations: ['53-8=45'] Exploring Operation: 62-46=16, Resulting Numbers: [45, 16] Generated Node #0,3,0: 47:[45, 16] Operation: 62-46=16 Exploring Operation: 62-45=17, Resulting Numbers: [46, 17] Generated Node #0,3,1: 47:[46, 17] Operation: 62-45=17 Exploring Operation: 46+45=91, Resulting Numbers: [62, 91] Generated Node #0,3,2: 47:[62, 91] Operation: 46+45=91 Exploring Operation: 46-45=1, Resulting Numbers: [62, 1] Generated Node #0,3,3: 47:[62, 1] Operation: 46-45=1 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 47:[46, 17], Operations: ['53-8=45', '62-45=17'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 46+17=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 46*17=782, Resulting Numbers: [782] 782,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 47:[45, 16], Operations: ['53-8=45', '62-46=16'] Exploring Operation: 45+16=61, Resulting Numbers: [61] 61,47 unequal: No Solution Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 45*16=720, Resulting Numbers: [720] 720,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 47:[62, 91], Operations: ['53-8=45', '46+45=91'] Exploring Operation: 62*91=5642, Resulting Numbers: [5642] 5642,47 unequal: No Solution Exploring Operation: 62+91=153, Resulting Numbers: [153] 153,47 unequal: No Solution Exploring Operation: 91-62=29, Resulting Numbers: [29] 29,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 47:[62, 1], Operations: ['53-8=45', '46-45=1'] Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,47 unequal: No Solution Exploring Operation: 62*1=62, Resulting Numbers: [62] 62,47 unequal: No Solution Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,47 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: 47:[53, 62, 54], Operations: ['46+8=54'] Exploring Operation: 62-54=8, Resulting Numbers: [53, 8] Generated Node #0,2,0: 47:[53, 8] Operation: 62-54=8 Exploring Operation: 54-53=1, Resulting Numbers: [62, 1] Generated Node #0,2,1: 47:[62, 1] Operation: 54-53=1 Exploring Operation: 62-53=9, Resulting Numbers: [54, 9] Generated Node #0,2,2: 47:[54, 9] Operation: 62-53=9 Exploring Operation: 53+62=115, Resulting Numbers: [54, 115] Generated Node #0,2,3: 47:[54, 115] Operation: 53+62=115 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[53, 8], Operations: ['46+8=54', '62-54=8'] Exploring Operation: 53*8=424, Resulting Numbers: [424] 424,47 unequal: No Solution Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 53+8=61, Resulting Numbers: [61] 61,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[54, 9], Operations: ['46+8=54', '62-53=9'] Exploring Operation: 54*9=486, Resulting Numbers: [486] 486,47 unequal: No Solution Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[62, 1], Operations: ['46+8=54', '54-53=1'] Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,47 unequal: No Solution Exploring Operation: 62*1=62, Resulting Numbers: [62] 62,47 unequal: No Solution Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 47:[54, 115], Operations: ['46+8=54', '53+62=115'] Exploring Operation: 54*115=6210, Resulting Numbers: [6210] 6210,47 unequal: No Solution Exploring Operation: 115-54=61, Resulting Numbers: [61] 61,47 unequal: No Solution Exploring Operation: 54+115=169, Resulting Numbers: [169] 169,47 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: 47:[53, 62, 38], Operations: ['46-8=38'] Exploring Operation: 53+38=91, Resulting Numbers: [62, 91] Generated Node #0,1,0: 47:[62, 91] Operation: 53+38=91 Exploring Operation: 62-38=24, Resulting Numbers: [53, 24] Generated Node #0,1,1: 47:[53, 24] Operation: 62-38=24 Exploring Operation: 53-38=15, Resulting Numbers: [62, 15] Generated Node #0,1,2: 47:[62, 15] Operation: 53-38=15 Exploring Operation: 62-53=9, Resulting Numbers: [38, 9] Generated Node #0,1,3: 47:[38, 9] Operation: 62-53=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[53, 24], Operations: ['46-8=38', '62-38=24'] Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 53*24=1272, Resulting Numbers: [1272] 1272,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 47:[62, 15], Operations: ['46-8=38', '53-38=15'] Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 62*15=930, Resulting Numbers: [930] 930,47 unequal: No Solution Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[46, 53, 62, 8], Operations: [] Exploring Operation: 46-8=38, Resulting Numbers: [53, 62, 38] Generated Node #0,1: 47:[53, 62, 38] Operation: 46-8=38 Moving to Node #0,1 Current State: 47:[53, 62, 38], Operations: ['46-8=38'] Exploring Operation: 53-38=15, Resulting Numbers: [62, 15] Generated Node #0,1,2: 47:[62, 15] Operation: 53-38=15 Moving to Node #0,1,2 Current State: 47:[62, 15], Operations: ['46-8=38', '53-38=15'] Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_4
sum_heuristic
[ 56, 85, 89, 40 ]
78
[ "85-56=29", "89-40=49", "29+49=78" ]
Current State: 78:[56, 85, 89, 40], Operations: [] Exploring Operation: 85-56=29, Resulting Numbers: [89, 40, 29] Generated Node #2: [89, 40, 29] from Operation: 85-56=29 Current State: 78:[89, 40, 29], Operations: ['85-56=29'] Exploring Operation: 89-40=49, Resulting Numbers: [29, 49] Generated Node #3: [29, 49] from Operation: 89-40=49 Current State: 78:[29, 49], Operations: ['85-56=29', '89-40=49'] Exploring Operation: 29+49=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[56, 85, 89, 40], Operations: [] Exploring Operation: 85-56=29, Resulting Numbers: [89, 40, 29] Generated Node #0,0: 78:[89, 40, 29] Operation: 85-56=29 Exploring Operation: 89-56=33, Resulting Numbers: [85, 40, 33] Generated Node #0,1: 78:[85, 40, 33] Operation: 89-56=33 Exploring Operation: 56-40=16, Resulting Numbers: [85, 89, 16] Generated Node #0,2: 78:[85, 89, 16] Operation: 56-40=16 Exploring Operation: 89-85=4, Resulting Numbers: [56, 40, 4] Generated Node #0,3: 78:[56, 40, 4] Operation: 89-85=4 Moving to Node #0,1 Current State: 78:[85, 40, 33], Operations: ['89-56=33'] Exploring Operation: 85-33=52, Resulting Numbers: [40, 52] Generated Node #0,1,0: 78:[40, 52] Operation: 85-33=52 Exploring Operation: 40+33=73, Resulting Numbers: [85, 73] Generated Node #0,1,1: 78:[85, 73] Operation: 40+33=73 Exploring Operation: 85-40=45, Resulting Numbers: [33, 45] Generated Node #0,1,2: 78:[33, 45] Operation: 85-40=45 Exploring Operation: 40-33=7, Resulting Numbers: [85, 7] Generated Node #0,1,3: 78:[85, 7] Operation: 40-33=7 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 78:[85, 7], Operations: ['89-56=33', '40-33=7'] Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[56, 85, 89, 40], Operations: [] Exploring Operation: 89-56=33, Resulting Numbers: [85, 40, 33] Generated Node #0,1: 78:[85, 40, 33] Operation: 89-56=33 Moving to Node #0,1 Current State: 78:[85, 40, 33], Operations: ['89-56=33'] Exploring Operation: 40-33=7, Resulting Numbers: [85, 7] Generated Node #0,1,3: 78:[85, 7] Operation: 40-33=7 Moving to Node #0,1,3 Current State: 78:[85, 7], Operations: ['89-56=33', '40-33=7'] Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 28, 60, 44, 64 ]
18
[ "28+44=72", "64-60=4", "72/4=18" ]
Current State: 18:[28, 60, 44, 64], Operations: [] Exploring Operation: 28+44=72, Resulting Numbers: [60, 64, 72] Generated Node #2: [60, 64, 72] from Operation: 28+44=72 Current State: 18:[60, 64, 72], Operations: ['28+44=72'] Exploring Operation: 64-60=4, Resulting Numbers: [72, 4] Generated Node #3: [72, 4] from Operation: 64-60=4 Current State: 18:[72, 4], Operations: ['28+44=72', '64-60=4'] Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[28, 60, 44, 64], Operations: [] Exploring Operation: 64-60=4, Resulting Numbers: [28, 44, 4] Generated Node #0,0: 18:[28, 44, 4] Operation: 64-60=4 Exploring Operation: 60-44=16, Resulting Numbers: [28, 64, 16] Generated Node #0,1: 18:[28, 64, 16] Operation: 60-44=16 Exploring Operation: 64-44=20, Resulting Numbers: [28, 60, 20] Generated Node #0,2: 18:[28, 60, 20] Operation: 64-44=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[28, 44, 4], Operations: ['64-60=4'] Exploring Operation: 44-28=16, Resulting Numbers: [4, 16] Generated Node #0,0,0: 18:[4, 16] Operation: 44-28=16 Exploring Operation: 44/4=11, Resulting Numbers: [28, 11] Generated Node #0,0,1: 18:[28, 11] Operation: 44/4=11 Exploring Operation: 28/4=7, Resulting Numbers: [44, 7] Generated Node #0,0,2: 18:[44, 7] Operation: 28/4=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[4, 16], Operations: ['64-60=4', '44-28=16'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,18 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,18 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,18 unequal: No Solution No 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: 18:[28, 11], Operations: ['64-60=4', '44/4=11'] Exploring Operation: 28+11=39, Resulting Numbers: [39] 39,18 unequal: No Solution Exploring Operation: 28*11=308, Resulting Numbers: [308] 308,18 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,18 unequal: No Solution No 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: 18:[44, 7], Operations: ['64-60=4', '28/4=7'] Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,18 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,18 unequal: No Solution Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,18 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: 18:[28, 60, 20], Operations: ['64-44=20'] Exploring Operation: 60-28=32, Resulting Numbers: [20, 32] Generated Node #0,2,0: 18:[20, 32] Operation: 60-28=32 Exploring Operation: 60/20=3, Resulting Numbers: [28, 3] Generated Node #0,2,1: 18:[28, 3] Operation: 60/20=3 Exploring Operation: 60-20=40, Resulting Numbers: [28, 40] Generated Node #0,2,2: 18:[28, 40] Operation: 60-20=40 Moving to Node #0,2,1 Current State: 18:[28, 3], Operations: ['64-44=20', '60/20=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,18 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,18 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[20, 32], Operations: ['64-44=20', '60-28=32'] Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,18 unequal: No Solution Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,18 unequal: No Solution Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[28, 40], Operations: ['64-44=20', '60-20=40'] Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,18 unequal: No Solution Exploring Operation: 28+40=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 28*40=1120, Resulting Numbers: [1120] 1120,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[28, 64, 16], Operations: ['60-44=16'] Exploring Operation: 64/16=4, Resulting Numbers: [28, 4] Generated Node #0,1,0: 18:[28, 4] Operation: 64/16=4 Exploring Operation: 64-16=48, Resulting Numbers: [28, 48] Generated Node #0,1,1: 18:[28, 48] Operation: 64-16=48 Exploring Operation: 64-28=36, Resulting Numbers: [16, 36] Generated Node #0,1,2: 18:[16, 36] Operation: 64-28=36 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 18:[28, 4], Operations: ['60-44=16', '64/16=4'] Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,18 unequal: No Solution Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,18 unequal: No Solution No 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: 18:[16, 36], Operations: ['60-44=16', '64-28=36'] Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,18 unequal: No Solution Exploring Operation: 16*36=576, Resulting Numbers: [576] 576,18 unequal: No Solution Exploring Operation: 16+36=52, Resulting Numbers: [52] 52,18 unequal: No Solution No 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: 18:[28, 48], Operations: ['60-44=16', '64-16=48'] Exploring Operation: 28+48=76, Resulting Numbers: [76] 76,18 unequal: No Solution Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,18 unequal: No Solution Exploring Operation: 28*48=1344, Resulting Numbers: [1344] 1344,18 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
[ 4, 9, 25, 22 ]
83
[ "4*9=36", "25+22=47", "36+47=83" ]
Current State: 83:[4, 9, 25, 22], Operations: [] Exploring Operation: 4*9=36, Resulting Numbers: [25, 22, 36] Generated Node #2: [25, 22, 36] from Operation: 4*9=36 Current State: 83:[25, 22, 36], Operations: ['4*9=36'] Exploring Operation: 25+22=47, Resulting Numbers: [36, 47] Generated Node #3: [36, 47] from Operation: 25+22=47 Current State: 83:[36, 47], Operations: ['4*9=36', '25+22=47'] Exploring Operation: 36+47=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[4, 9, 25, 22], Operations: [] Exploring Operation: 4*25=100, Resulting Numbers: [9, 22, 100] Generated Node #0,0: 83:[9, 22, 100] Operation: 4*25=100 Exploring Operation: 4*22=88, Resulting Numbers: [9, 25, 88] Generated Node #0,1: 83:[9, 25, 88] Operation: 4*22=88 Moving to Node #0,1 Current State: 83:[9, 25, 88], Operations: ['4*22=88'] Exploring Operation: 9+25=34, Resulting Numbers: [88, 34] Generated Node #0,1,0: 83:[88, 34] Operation: 9+25=34 Exploring Operation: 88-9=79, Resulting Numbers: [25, 79] Generated Node #0,1,1: 83:[25, 79] Operation: 88-9=79 Moving to Node #0,0 Current State: 83:[9, 22, 100], Operations: ['4*25=100'] Exploring Operation: 9+22=31, Resulting Numbers: [100, 31] Generated Node #0,0,0: 83:[100, 31] Operation: 9+22=31 Exploring Operation: 100-9=91, Resulting Numbers: [22, 91] Generated Node #0,0,1: 83:[22, 91] Operation: 100-9=91 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[100, 31], Operations: ['4*25=100', '9+22=31'] Exploring Operation: 100-31=69, Resulting Numbers: [69] 69,83 unequal: No Solution Exploring Operation: 100+31=131, Resulting Numbers: [131] 131,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[22, 91], Operations: ['4*25=100', '100-9=91'] Exploring Operation: 91-22=69, Resulting Numbers: [69] 69,83 unequal: No Solution Exploring Operation: 22+91=113, Resulting Numbers: [113] 113,83 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: 83:[88, 34], Operations: ['4*22=88', '9+25=34'] Exploring Operation: 88+34=122, Resulting Numbers: [122] 122,83 unequal: No Solution Exploring Operation: 88-34=54, Resulting Numbers: [54] 54,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[25, 79], Operations: ['4*22=88', '88-9=79'] Exploring Operation: 79-25=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 25+79=104, Resulting Numbers: [104] 104,83 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 44, 93, 55, 53 ]
47
[ "93-44=49", "55-53=2", "49-2=47" ]
Current State: 47:[44, 93, 55, 53], Operations: [] Exploring Operation: 93-44=49, Resulting Numbers: [55, 53, 49] Generated Node #2: [55, 53, 49] from Operation: 93-44=49 Current State: 47:[55, 53, 49], Operations: ['93-44=49'] Exploring Operation: 55-53=2, Resulting Numbers: [49, 2] Generated Node #3: [49, 2] from Operation: 55-53=2 Current State: 47:[49, 2], Operations: ['93-44=49', '55-53=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[44, 93, 55, 53], Operations: [] Exploring Operation: 55-44=11, Resulting Numbers: [93, 53, 11] Generated Node #0,0: 47:[93, 53, 11] Operation: 55-44=11 Exploring Operation: 93-44=49, Resulting Numbers: [55, 53, 49] Generated Node #0,1: 47:[55, 53, 49] Operation: 93-44=49 Exploring Operation: 93-53=40, Resulting Numbers: [44, 55, 40] Generated Node #0,2: 47:[44, 55, 40] Operation: 93-53=40 Exploring Operation: 93-55=38, Resulting Numbers: [44, 53, 38] Generated Node #0,3: 47:[44, 53, 38] Operation: 93-55=38 Moving to Node #0,1 Current State: 47:[55, 53, 49], Operations: ['93-44=49'] Exploring Operation: 53-49=4, Resulting Numbers: [55, 4] Generated Node #0,1,0: 47:[55, 4] Operation: 53-49=4 Exploring Operation: 55-53=2, Resulting Numbers: [49, 2] Generated Node #0,1,1: 47:[49, 2] Operation: 55-53=2 Exploring Operation: 55-49=6, Resulting Numbers: [53, 6] Generated Node #0,1,2: 47:[53, 6] Operation: 55-49=6 Exploring Operation: 55+53=108, Resulting Numbers: [49, 108] Generated Node #0,1,3: 47:[49, 108] Operation: 55+53=108 Moving to Node #0,3 Current State: 47:[44, 53, 38], Operations: ['93-55=38'] Exploring Operation: 53-44=9, Resulting Numbers: [38, 9] Generated Node #0,3,0: 47:[38, 9] Operation: 53-44=9 Exploring Operation: 44-38=6, Resulting Numbers: [53, 6] Generated Node #0,3,1: 47:[53, 6] Operation: 44-38=6 Exploring Operation: 53-38=15, Resulting Numbers: [44, 15] Generated Node #0,3,2: 47:[44, 15] Operation: 53-38=15 Exploring Operation: 44+38=82, Resulting Numbers: [53, 82] Generated Node #0,3,3: 47:[53, 82] Operation: 44+38=82 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 47:[44, 15], Operations: ['93-55=38', '53-38=15'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 44*15=660, Resulting Numbers: [660] 660,47 unequal: No Solution Exploring Operation: 44+15=59, Resulting Numbers: [59] 59,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 47:[53, 82], Operations: ['93-55=38', '44+38=82'] Exploring Operation: 53+82=135, Resulting Numbers: [135] 135,47 unequal: No Solution Exploring Operation: 82-53=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 53*82=4346, Resulting Numbers: [4346] 4346,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 47:[38, 9], Operations: ['93-55=38', '53-44=9'] Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 38*9=342, Resulting Numbers: [342] 342,47 unequal: No Solution Exploring Operation: 38+9=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[44, 93, 55, 53], Operations: [] Exploring Operation: 93-55=38, Resulting Numbers: [44, 53, 38] Generated Node #0,3: 47:[44, 53, 38] Operation: 93-55=38 Moving to Node #0,3 Current State: 47:[44, 53, 38], Operations: ['93-55=38'] Exploring Operation: 53-44=9, Resulting Numbers: [38, 9] Generated Node #0,3,0: 47:[38, 9] Operation: 53-44=9 Moving to Node #0,3,0 Current State: 47:[38, 9], Operations: ['93-55=38', '53-44=9'] Exploring Operation: 38+9=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
mult_heuristic
[ 24, 50, 48, 24 ]
28
[ "50-24=26", "48/24=2", "26+2=28" ]
Current State: 28:[24, 50, 48, 24], Operations: [] Exploring Operation: 50-24=26, Resulting Numbers: [48, 26] Generated Node #2: [48, 26] from Operation: 50-24=26 Current State: 28:[48, 26], Operations: ['50-24=26'] Exploring Operation: 48/24=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 48/24=2 Current State: 28:[26, 2], Operations: ['50-24=26', '48/24=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[24, 50, 48, 24], Operations: [] Exploring Operation: 50-48=2, Resulting Numbers: [24, 24, 2] Generated Node #0,0: 28:[24, 24, 2] Operation: 50-48=2 Exploring Operation: 48/24=2, Resulting Numbers: [24, 50, 2] Generated Node #0,1: 28:[24, 50, 2] Operation: 48/24=2 Exploring Operation: 48/24=2, Resulting Numbers: [50, 24, 2] Generated Node #0,2: 28:[50, 24, 2] Operation: 48/24=2 Exploring Operation: 50-24=26, Resulting Numbers: [24, 48, 26] Generated Node #0,3: 28:[24, 48, 26] Operation: 50-24=26 Exploring Operation: 50-24=26, Resulting Numbers: [48, 24, 26] Generated Node #0,4: 28:[48, 24, 26] Operation: 50-24=26 Moving to Node #0,0 Current State: 28:[24, 24, 2], Operations: ['50-48=2'] Exploring Operation: 24+2=26, Resulting Numbers: [24, 26] Generated Node #0,0,0: 28:[24, 26] Operation: 24+2=26 Exploring Operation: 24/2=12, Resulting Numbers: [24, 12] Generated Node #0,0,1: 28:[24, 12] Operation: 24/2=12 Exploring Operation: 24-24=0, Resulting Numbers: [2, 0] Generated Node #0,0,2: 28:[2, 0] Operation: 24-24=0 Exploring Operation: 24+2=26, Resulting Numbers: [24, 26] Generated Node #0,0,3: 28:[24, 26] Operation: 24+2=26 Exploring Operation: 24/24=1, Resulting Numbers: [2, 1] Generated Node #0,0,4: 28:[2, 1] Operation: 24/24=1 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 28:[2, 1], Operations: ['50-48=2', '24/24=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,28 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 28:[2, 0], Operations: ['50-48=2', '24-24=0'] Exploring Operation: 2-0=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 2+0=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 2*0=0, Resulting Numbers: [0] 0,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[24, 26], Operations: ['50-48=2', '24+2=26'] Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 24*26=624, Resulting Numbers: [624] 624,28 unequal: No Solution Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[24, 12], Operations: ['50-48=2', '24/2=12'] Exploring Operation: 24+12=36, Resulting Numbers: [36] 36,28 unequal: No Solution Exploring Operation: 24*12=288, Resulting Numbers: [288] 288,28 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 28:[24, 26], Operations: ['50-48=2', '24+2=26'] Exploring Operation: 24*26=624, Resulting Numbers: [624] 624,28 unequal: No Solution Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,28 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: 28:[50, 24, 2], Operations: ['48/24=2'] Exploring Operation: 24/2=12, Resulting Numbers: [50, 12] Generated Node #0,2,0: 28:[50, 12] Operation: 24/2=12 Exploring Operation: 50/2=25, Resulting Numbers: [24, 25] Generated Node #0,2,1: 28:[24, 25] Operation: 50/2=25 Exploring Operation: 24+2=26, Resulting Numbers: [50, 26] Generated Node #0,2,2: 28:[50, 26] Operation: 24+2=26 Exploring Operation: 50-2=48, Resulting Numbers: [24, 48] Generated Node #0,2,3: 28:[24, 48] Operation: 50-2=48 Exploring Operation: 50-24=26, Resulting Numbers: [2, 26] Generated Node #0,2,4: 28:[2, 26] Operation: 50-24=26 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 28:[2, 26], Operations: ['48/24=2', '50-24=26'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,28 unequal: No Solution Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[24, 50, 48, 24], Operations: [] Exploring Operation: 48/24=2, Resulting Numbers: [50, 24, 2] Generated Node #0,2: 28:[50, 24, 2] Operation: 48/24=2 Moving to Node #0,2 Current State: 28:[50, 24, 2], Operations: ['48/24=2'] Exploring Operation: 50-24=26, Resulting Numbers: [2, 26] Generated Node #0,2,4: 28:[2, 26] Operation: 50-24=26 Moving to Node #0,2,4 Current State: 28:[2, 26], Operations: ['48/24=2', '50-24=26'] Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 42, 54, 8, 7 ]
19
[ "42+54=96", "96/8=12", "7+12=19" ]
Current State: 19:[42, 54, 8, 7], Operations: [] Exploring Operation: 42+54=96, Resulting Numbers: [8, 7, 96] Generated Node #2: [8, 7, 96] from Operation: 42+54=96 Current State: 19:[8, 7, 96], Operations: ['42+54=96'] Exploring Operation: 96/8=12, Resulting Numbers: [7, 12] Generated Node #3: [7, 12] from Operation: 96/8=12 Current State: 19:[7, 12], Operations: ['42+54=96', '96/8=12'] Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[42, 54, 8, 7], Operations: [] Exploring Operation: 42/7=6, Resulting Numbers: [54, 8, 6] Generated Node #0,0: 19:[54, 8, 6] Operation: 42/7=6 Exploring Operation: 42-8=34, Resulting Numbers: [54, 7, 34] Generated Node #0,1: 19:[54, 7, 34] Operation: 42-8=34 Exploring Operation: 54-42=12, Resulting Numbers: [8, 7, 12] Generated Node #0,2: 19:[8, 7, 12] Operation: 54-42=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[8, 7, 12], Operations: ['54-42=12'] Exploring Operation: 8+7=15, Resulting Numbers: [12, 15] Generated Node #0,2,0: 19:[12, 15] Operation: 8+7=15 Exploring Operation: 7+12=19, Resulting Numbers: [8, 19] Generated Node #0,2,1: 19:[8, 19] Operation: 7+12=19 Exploring Operation: 8+12=20, Resulting Numbers: [7, 20] Generated Node #0,2,2: 19:[7, 20] Operation: 8+12=20 Moving to Node #0,2,0 Current State: 19:[12, 15], Operations: ['54-42=12', '8+7=15'] Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[8, 19], Operations: ['54-42=12', '7+12=19'] Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,19 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[7, 20], Operations: ['54-42=12', '8+12=20'] Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,19 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[54, 8, 6], Operations: ['42/7=6'] Exploring Operation: 54-8=46, Resulting Numbers: [6, 46] Generated Node #0,0,0: 19:[6, 46] Operation: 54-8=46 Exploring Operation: 54-6=48, Resulting Numbers: [8, 48] Generated Node #0,0,1: 19:[8, 48] Operation: 54-6=48 Exploring Operation: 54/6=9, Resulting Numbers: [8, 9] Generated Node #0,0,2: 19:[8, 9] Operation: 54/6=9 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 19:[8, 9], Operations: ['42/7=6', '54/6=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[6, 46], Operations: ['42/7=6', '54-8=46'] Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 19:[8, 48], Operations: ['42/7=6', '54-6=48'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,19 unequal: No Solution Exploring Operation: 8+48=56, Resulting Numbers: [56] 56,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[54, 7, 34], Operations: ['42-8=34'] Exploring Operation: 54-7=47, Resulting Numbers: [34, 47] Generated Node #0,1,0: 19:[34, 47] Operation: 54-7=47 Exploring Operation: 54-34=20, Resulting Numbers: [7, 20] Generated Node #0,1,1: 19:[7, 20] Operation: 54-34=20 Exploring Operation: 34-7=27, Resulting Numbers: [54, 27] Generated Node #0,1,2: 19:[54, 27] Operation: 34-7=27 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[7, 20], Operations: ['42-8=34', '54-34=20'] Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,19 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 19:[34, 47], Operations: ['42-8=34', '54-7=47'] Exploring Operation: 47-34=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 34*47=1598, Resulting Numbers: [1598] 1598,19 unequal: No Solution Exploring Operation: 34+47=81, Resulting Numbers: [81] 81,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 19:[54, 27], Operations: ['42-8=34', '34-7=27'] Exploring Operation: 54/27=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 54-27=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 54+27=81, Resulting Numbers: [81] 81,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 40, 79, 28, 5 ]
72
[ "79-40=39", "28+5=33", "39+33=72" ]
Current State: 72:[40, 79, 28, 5], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [28, 5, 39] Generated Node #2: [28, 5, 39] from Operation: 79-40=39 Current State: 72:[28, 5, 39], Operations: ['79-40=39'] Exploring Operation: 28+5=33, Resulting Numbers: [39, 33] Generated Node #3: [39, 33] from Operation: 28+5=33 Current State: 72:[39, 33], Operations: ['79-40=39', '28+5=33'] Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[40, 79, 28, 5], Operations: [] Exploring Operation: 79-5=74, Resulting Numbers: [40, 28, 74] Generated Node #0,0: 72:[40, 28, 74] Operation: 79-5=74 Exploring Operation: 79-40=39, Resulting Numbers: [28, 5, 39] Generated Node #0,1: 72:[28, 5, 39] Operation: 79-40=39 Exploring Operation: 40-28=12, Resulting Numbers: [79, 5, 12] Generated Node #0,2: 72:[79, 5, 12] Operation: 40-28=12 Moving to Node #0,1 Current State: 72:[28, 5, 39], Operations: ['79-40=39'] Exploring Operation: 28+5=33, Resulting Numbers: [39, 33] Generated Node #0,1,0: 72:[39, 33] Operation: 28+5=33 Exploring Operation: 39-28=11, Resulting Numbers: [5, 11] Generated Node #0,1,1: 72:[5, 11] Operation: 39-28=11 Exploring Operation: 28-5=23, Resulting Numbers: [39, 23] Generated Node #0,1,2: 72:[39, 23] Operation: 28-5=23 Moving to Node #0,2 Current State: 72:[79, 5, 12], Operations: ['40-28=12'] Exploring Operation: 79-12=67, Resulting Numbers: [5, 67] Generated Node #0,2,0: 72:[5, 67] Operation: 79-12=67 Exploring Operation: 79-5=74, Resulting Numbers: [12, 74] Generated Node #0,2,1: 72:[12, 74] Operation: 79-5=74 Exploring Operation: 5+12=17, Resulting Numbers: [79, 17] Generated Node #0,2,2: 72:[79, 17] Operation: 5+12=17 Moving to Node #0,0 Current State: 72:[40, 28, 74], Operations: ['79-5=74'] Exploring Operation: 40-28=12, Resulting Numbers: [74, 12] Generated Node #0,0,0: 72:[74, 12] Operation: 40-28=12 Exploring Operation: 40+28=68, Resulting Numbers: [74, 68] Generated Node #0,0,1: 72:[74, 68] Operation: 40+28=68 Exploring Operation: 74-40=34, Resulting Numbers: [28, 34] Generated Node #0,0,2: 72:[28, 34] Operation: 74-40=34 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[74, 12], Operations: ['79-5=74', '40-28=12'] Exploring Operation: 74*12=888, Resulting Numbers: [888] 888,72 unequal: No Solution Exploring Operation: 74-12=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 74+12=86, Resulting Numbers: [86] 86,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 72:[74, 68], Operations: ['79-5=74', '40+28=68'] Exploring Operation: 74*68=5032, Resulting Numbers: [5032] 5032,72 unequal: No Solution Exploring Operation: 74-68=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 74+68=142, Resulting Numbers: [142] 142,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 72:[28, 34], Operations: ['79-5=74', '74-40=34'] Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,72 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: 72:[5, 11], Operations: ['79-40=39', '39-28=11'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,72 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,72 unequal: No Solution Moving to Node #0,2,1 Current State: 72:[12, 74], Operations: ['40-28=12', '79-5=74'] Exploring Operation: 12+74=86, Resulting Numbers: [86] 86,72 unequal: No Solution Exploring Operation: 12*74=888, Resulting Numbers: [888] 888,72 unequal: No Solution Exploring Operation: 74-12=62, Resulting Numbers: [62] 62,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[39, 23], Operations: ['79-40=39', '28-5=23'] Exploring Operation: 39*23=897, Resulting Numbers: [897] 897,72 unequal: No Solution Exploring Operation: 39+23=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[39, 33], Operations: ['79-40=39', '28+5=33'] Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[40, 79, 28, 5], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [28, 5, 39] Generated Node #0,1: 72:[28, 5, 39] Operation: 79-40=39 Moving to Node #0,1 Current State: 72:[28, 5, 39], Operations: ['79-40=39'] Exploring Operation: 28+5=33, Resulting Numbers: [39, 33] Generated Node #0,1,0: 72:[39, 33] Operation: 28+5=33 Moving to Node #0,1,0 Current State: 72:[39, 33], Operations: ['79-40=39', '28+5=33'] Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
0.96875
hs_3
sum_heuristic
[ 63, 34, 32, 33 ]
99
[ "63-34=29", "32-29=3", "33*3=99" ]
Current State: 99:[63, 34, 32, 33], Operations: [] Exploring Operation: 63-34=29, Resulting Numbers: [32, 33, 29] Generated Node #2: [32, 33, 29] from Operation: 63-34=29 Current State: 99:[32, 33, 29], Operations: ['63-34=29'] Exploring Operation: 32-29=3, Resulting Numbers: [33, 3] Generated Node #3: [33, 3] from Operation: 32-29=3 Current State: 99:[33, 3], Operations: ['63-34=29', '32-29=3'] Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[63, 34, 32, 33], Operations: [] Exploring Operation: 63+34=97, Resulting Numbers: [32, 33, 97] Generated Node #0,0: 99:[32, 33, 97] Operation: 63+34=97 Moving to Node #0,0 Current State: 99:[32, 33, 97], Operations: ['63+34=97'] Exploring Operation: 33-32=1, Resulting Numbers: [97, 1] Generated Node #0,0,0: 99:[97, 1] Operation: 33-32=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[97, 1], Operations: ['63+34=97', '33-32=1'] Exploring Operation: 97+1=98, Resulting Numbers: [98] 98,99 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
[ 59, 94, 64, 4 ]
94
[ "64-59=5", "5-4=1", "94*1=94" ]
Current State: 94:[59, 94, 64, 4], Operations: [] Exploring Operation: 64-59=5, Resulting Numbers: [94, 4, 5] Generated Node #2: [94, 4, 5] from Operation: 64-59=5 Current State: 94:[94, 4, 5], Operations: ['64-59=5'] Exploring Operation: 5-4=1, Resulting Numbers: [94, 1] Generated Node #3: [94, 1] from Operation: 5-4=1 Current State: 94:[94, 1], Operations: ['64-59=5', '5-4=1'] Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[59, 94, 64, 4], Operations: [] Exploring Operation: 94-59=35, Resulting Numbers: [64, 4, 35] Generated Node #0,0: 94:[64, 4, 35] Operation: 94-59=35 Exploring Operation: 64/4=16, Resulting Numbers: [59, 94, 16] Generated Node #0,1: 94:[59, 94, 16] Operation: 64/4=16 Exploring Operation: 64-4=60, Resulting Numbers: [59, 94, 60] Generated Node #0,2: 94:[59, 94, 60] Operation: 64-4=60 Exploring Operation: 59-4=55, Resulting Numbers: [94, 64, 55] Generated Node #0,3: 94:[94, 64, 55] Operation: 59-4=55 Exploring Operation: 64-59=5, Resulting Numbers: [94, 4, 5] Generated Node #0,4: 94:[94, 4, 5] Operation: 64-59=5 Start Sub Search at level 1: Moving to Node #0,4 Current State: 94:[94, 4, 5], Operations: ['64-59=5'] Exploring Operation: 94-5=89, Resulting Numbers: [4, 89] Generated Node #0,4,0: 94:[4, 89] Operation: 94-5=89 Exploring Operation: 94+5=99, Resulting Numbers: [4, 99] Generated Node #0,4,1: 94:[4, 99] Operation: 94+5=99 Exploring Operation: 5-4=1, Resulting Numbers: [94, 1] Generated Node #0,4,2: 94:[94, 1] Operation: 5-4=1 Exploring Operation: 94+4=98, Resulting Numbers: [5, 98] Generated Node #0,4,3: 94:[5, 98] Operation: 94+4=98 Exploring Operation: 94-4=90, Resulting Numbers: [5, 90] Generated Node #0,4,4: 94:[5, 90] Operation: 94-4=90 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 94:[94, 1], Operations: ['64-59=5', '5-4=1'] Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[59, 94, 64, 4], Operations: [] Exploring Operation: 64-59=5, Resulting Numbers: [94, 4, 5] Generated Node #0,4: 94:[94, 4, 5] Operation: 64-59=5 Moving to Node #0,4 Current State: 94:[94, 4, 5], Operations: ['64-59=5'] Exploring Operation: 5-4=1, Resulting Numbers: [94, 1] Generated Node #0,4,2: 94:[94, 1] Operation: 5-4=1 Moving to Node #0,4,2 Current State: 94:[94, 1], Operations: ['64-59=5', '5-4=1'] Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 18, 68, 84, 9 ]
10
[ "18*9=162", "68+84=152", "162-152=10" ]
Current State: 10:[18, 68, 84, 9], Operations: [] Exploring Operation: 18*9=162, Resulting Numbers: [68, 84, 162] Generated Node #2: [68, 84, 162] from Operation: 18*9=162 Current State: 10:[68, 84, 162], Operations: ['18*9=162'] Exploring Operation: 68+84=152, Resulting Numbers: [162, 152] Generated Node #3: [162, 152] from Operation: 68+84=152 Current State: 10:[162, 152], Operations: ['18*9=162', '68+84=152'] Exploring Operation: 162-152=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[18, 68, 84, 9], Operations: [] Exploring Operation: 84-9=75, Resulting Numbers: [18, 68, 75] Generated Node #0,0: 10:[18, 68, 75] Operation: 84-9=75 Exploring Operation: 68-18=50, Resulting Numbers: [84, 9, 50] Generated Node #0,1: 10:[84, 9, 50] Operation: 68-18=50 Exploring Operation: 68-9=59, Resulting Numbers: [18, 84, 59] Generated Node #0,2: 10:[18, 84, 59] Operation: 68-9=59 Exploring Operation: 84-68=16, Resulting Numbers: [18, 9, 16] Generated Node #0,3: 10:[18, 9, 16] Operation: 84-68=16 Exploring Operation: 84-18=66, Resulting Numbers: [68, 9, 66] Generated Node #0,4: 10:[68, 9, 66] Operation: 84-18=66 Start Sub Search at level 1: Moving to Node #0,3 Current State: 10:[18, 9, 16], Operations: ['84-68=16'] Exploring Operation: 18-16=2, Resulting Numbers: [9, 2] Generated Node #0,3,0: 10:[9, 2] Operation: 18-16=2 Exploring Operation: 16-9=7, Resulting Numbers: [18, 7] Generated Node #0,3,1: 10:[18, 7] Operation: 16-9=7 Exploring Operation: 18/9=2, Resulting Numbers: [16, 2] Generated Node #0,3,2: 10:[16, 2] Operation: 18/9=2 Exploring Operation: 18-9=9, Resulting Numbers: [16, 9] Generated Node #0,3,3: 10:[16, 9] Operation: 18-9=9 Exploring Operation: 18+9=27, Resulting Numbers: [16, 27] Generated Node #0,3,4: 10:[16, 27] Operation: 18+9=27 Moving to Node #0,3,0 Current State: 10:[9, 2], Operations: ['84-68=16', '18-16=2'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,10 unequal: No Solution Moving to Node #0,3,2 Current State: 10:[16, 2], Operations: ['84-68=16', '18/9=2'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,10 unequal: No Solution Moving to Node #0,3,3 Current State: 10:[16, 9], Operations: ['84-68=16', '18-9=9'] Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,10 unequal: No Solution Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,10 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,10 unequal: No Solution Moving to Node #0,3,1 Current State: 10:[18, 7], Operations: ['84-68=16', '16-9=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,10 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,10 unequal: No Solution Moving to Node #0,3,4 Current State: 10:[16, 27], Operations: ['84-68=16', '18+9=27'] Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,10 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[84, 9, 50], Operations: ['68-18=50'] Exploring Operation: 9+50=59, Resulting Numbers: [84, 59] Generated Node #0,1,0: 10:[84, 59] Operation: 9+50=59 Exploring Operation: 84-50=34, Resulting Numbers: [9, 34] Generated Node #0,1,1: 10:[9, 34] Operation: 84-50=34 Exploring Operation: 50-9=41, Resulting Numbers: [84, 41] Generated Node #0,1,2: 10:[84, 41] Operation: 50-9=41 Exploring Operation: 84+9=93, Resulting Numbers: [50, 93] Generated Node #0,1,3: 10:[50, 93] Operation: 84+9=93 Exploring Operation: 84-9=75, Resulting Numbers: [50, 75] Generated Node #0,1,4: 10:[50, 75] Operation: 84-9=75 Moving to Node #0,1,1 Current State: 10:[9, 34], Operations: ['68-18=50', '84-50=34'] Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,10 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,10 unequal: No Solution Moving to Node #0,1,4 Current State: 10:[50, 75], Operations: ['68-18=50', '84-9=75'] Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,10 unequal: No Solution Exploring Operation: 50+75=125, Resulting Numbers: [125] 125,10 unequal: No Solution Exploring Operation: 50*75=3750, Resulting Numbers: [3750] 3750,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[84, 41], Operations: ['68-18=50', '50-9=41'] Exploring Operation: 84-41=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 84*41=3444, Resulting Numbers: [3444] 3444,10 unequal: No Solution Exploring Operation: 84+41=125, Resulting Numbers: [125] 125,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[84, 59], Operations: ['68-18=50', '9+50=59'] Exploring Operation: 84+59=143, Resulting Numbers: [143] 143,10 unequal: No Solution Exploring Operation: 84*59=4956, Resulting Numbers: [4956] 4956,10 unequal: No Solution Exploring Operation: 84-59=25, Resulting Numbers: [25] 25,10 unequal: No Solution Moving to Node #0,1,3 Current State: 10:[50, 93], Operations: ['68-18=50', '84+9=93'] Exploring Operation: 50+93=143, Resulting Numbers: [143] 143,10 unequal: No Solution Exploring Operation: 93-50=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 50*93=4650, Resulting Numbers: [4650] 4650,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 10:[68, 9, 66], Operations: ['84-18=66'] Exploring Operation: 68+9=77, Resulting Numbers: [66, 77] Generated Node #0,4,0: 10:[66, 77] Operation: 68+9=77 Exploring Operation: 66-9=57, Resulting Numbers: [68, 57] Generated Node #0,4,1: 10:[68, 57] Operation: 66-9=57 Exploring Operation: 9+66=75, Resulting Numbers: [68, 75] Generated Node #0,4,2: 10:[68, 75] Operation: 9+66=75 Exploring Operation: 68-66=2, Resulting Numbers: [9, 2] Generated Node #0,4,3: 10:[9, 2] Operation: 68-66=2 Exploring Operation: 68-9=59, Resulting Numbers: [66, 59] Generated Node #0,4,4: 10:[66, 59] Operation: 68-9=59 Moving to Node #0,4,3 Current State: 10:[9, 2], Operations: ['84-18=66', '68-66=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,10 unequal: No Solution Moving to Node #0,4,4 Current State: 10:[66, 59], Operations: ['84-18=66', '68-9=59'] Exploring Operation: 66-59=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 66*59=3894, Resulting Numbers: [3894] 3894,10 unequal: No Solution Exploring Operation: 66+59=125, Resulting Numbers: [125] 125,10 unequal: No Solution Moving to Node #0,4,1 Current State: 10:[68, 57], Operations: ['84-18=66', '66-9=57'] Exploring Operation: 68+57=125, Resulting Numbers: [125] 125,10 unequal: No Solution Exploring Operation: 68*57=3876, Resulting Numbers: [3876] 3876,10 unequal: No Solution Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,10 unequal: No Solution Moving to Node #0,4,0 Current State: 10:[66, 77], Operations: ['84-18=66', '68+9=77'] Exploring Operation: 66+77=143, Resulting Numbers: [143] 143,10 unequal: No Solution Exploring Operation: 77-66=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 66*77=5082, Resulting Numbers: [5082] 5082,10 unequal: No Solution Moving to Node #0,4,2 Current State: 10:[68, 75], Operations: ['84-18=66', '9+66=75'] Exploring Operation: 68*75=5100, Resulting Numbers: [5100] 5100,10 unequal: No Solution Exploring Operation: 68+75=143, Resulting Numbers: [143] 143,10 unequal: No Solution Exploring Operation: 75-68=7, Resulting Numbers: [7] 7,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[18, 68, 75], Operations: ['84-9=75'] Exploring Operation: 18+68=86, Resulting Numbers: [75, 86] Generated Node #0,0,0: 10:[75, 86] Operation: 18+68=86 Exploring Operation: 75-68=7, Resulting Numbers: [18, 7] Generated Node #0,0,1: 10:[18, 7] Operation: 75-68=7 Exploring Operation: 68-18=50, Resulting Numbers: [75, 50] Generated Node #0,0,2: 10:[75, 50] Operation: 68-18=50 Exploring Operation: 18+75=93, Resulting Numbers: [68, 93] Generated Node #0,0,3: 10:[68, 93] Operation: 18+75=93 Exploring Operation: 75-18=57, Resulting Numbers: [68, 57] Generated Node #0,0,4: 10:[68, 57] Operation: 75-18=57 Moving to Node #0,0,1 Current State: 10:[18, 7], Operations: ['84-9=75', '75-68=7'] Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,10 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,10 unequal: No Solution Moving to Node #0,0,4 Current State: 10:[68, 57], Operations: ['84-9=75', '75-18=57'] Exploring Operation: 68*57=3876, Resulting Numbers: [3876] 3876,10 unequal: No Solution Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 68+57=125, Resulting Numbers: [125] 125,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[75, 50], Operations: ['84-9=75', '68-18=50'] Exploring Operation: 75+50=125, Resulting Numbers: [125] 125,10 unequal: No Solution Exploring Operation: 75*50=3750, Resulting Numbers: [3750] 3750,10 unequal: No Solution Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[75, 86], Operations: ['84-9=75', '18+68=86'] Exploring Operation: 75+86=161, Resulting Numbers: [161] 161,10 unequal: No Solution Exploring Operation: 75*86=6450, Resulting Numbers: [6450] 6450,10 unequal: No Solution Exploring Operation: 86-75=11, Resulting Numbers: [11] 11,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[68, 93], Operations: ['84-9=75', '18+75=93'] Exploring Operation: 93-68=25, Resulting Numbers: [25] 25,10 unequal: No Solution Exploring Operation: 68+93=161, Resulting Numbers: [161] 161,10 unequal: No Solution Exploring Operation: 68*93=6324, Resulting Numbers: [6324] 6324,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[18, 84, 59], Operations: ['68-9=59'] Exploring Operation: 84-59=25, Resulting Numbers: [18, 25] Generated Node #0,2,0: 10:[18, 25] Operation: 84-59=25 Exploring Operation: 59-18=41, Resulting Numbers: [84, 41] Generated Node #0,2,1: 10:[84, 41] Operation: 59-18=41 Exploring Operation: 84-18=66, Resulting Numbers: [59, 66] Generated Node #0,2,2: 10:[59, 66] Operation: 84-18=66 Exploring Operation: 18+59=77, Resulting Numbers: [84, 77] Generated Node #0,2,3: 10:[84, 77] Operation: 18+59=77 Exploring Operation: 18+84=102, Resulting Numbers: [59, 102] Generated Node #0,2,4: 10:[59, 102] Operation: 18+84=102 Moving to Node #0,2,0 Current State: 10:[18, 25], Operations: ['68-9=59', '84-59=25'] Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 18+25=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 18*25=450, Resulting Numbers: [450] 450,10 unequal: No Solution Moving to Node #0,2,2 Current State: 10:[59, 66], Operations: ['68-9=59', '84-18=66'] Exploring Operation: 59+66=125, Resulting Numbers: [125] 125,10 unequal: No Solution Exploring Operation: 59*66=3894, Resulting Numbers: [3894] 3894,10 unequal: No Solution Exploring Operation: 66-59=7, Resulting Numbers: [7] 7,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[84, 41], Operations: ['68-9=59', '59-18=41'] Exploring Operation: 84-41=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 84+41=125, Resulting Numbers: [125] 125,10 unequal: No Solution Exploring Operation: 84*41=3444, Resulting Numbers: [3444] 3444,10 unequal: No Solution Moving to Node #0,2,3 Current State: 10:[84, 77], Operations: ['68-9=59', '18+59=77'] Exploring Operation: 84*77=6468, Resulting Numbers: [6468] 6468,10 unequal: No Solution Exploring Operation: 84-77=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 84+77=161, Resulting Numbers: [161] 161,10 unequal: No Solution Moving to Node #0,2,4 Current State: 10:[59, 102], Operations: ['68-9=59', '18+84=102'] Exploring Operation: 59+102=161, Resulting Numbers: [161] 161,10 unequal: No Solution Exploring Operation: 59*102=6018, Resulting Numbers: [6018] 6018,10 unequal: No Solution Exploring Operation: 102-59=43, Resulting Numbers: [43] 43,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 6, 16, 18, 82 ]
10
[ "16-6=10", "18+82=100", "100/10=10" ]
Current State: 10:[6, 16, 18, 82], Operations: [] Exploring Operation: 16-6=10, Resulting Numbers: [18, 82, 10] Generated Node #2: [18, 82, 10] from Operation: 16-6=10 Current State: 10:[18, 82, 10], Operations: ['16-6=10'] Exploring Operation: 18+82=100, Resulting Numbers: [10, 100] Generated Node #3: [10, 100] from Operation: 18+82=100 Current State: 10:[10, 100], Operations: ['16-6=10', '18+82=100'] Exploring Operation: 100/10=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[6, 16, 18, 82], Operations: [] Exploring Operation: 82-18=64, Resulting Numbers: [6, 16, 64] Generated Node #0,0: 10:[6, 16, 64] Operation: 82-18=64 Exploring Operation: 82-16=66, Resulting Numbers: [6, 18, 66] Generated Node #0,1: 10:[6, 18, 66] Operation: 82-16=66 Exploring Operation: 18-16=2, Resulting Numbers: [6, 82, 2] Generated Node #0,2: 10:[6, 82, 2] Operation: 18-16=2 Moving to Node #0,0 Current State: 10:[6, 16, 64], Operations: ['82-18=64'] Exploring Operation: 64-16=48, Resulting Numbers: [6, 48] Generated Node #0,0,0: 10:[6, 48] Operation: 64-16=48 Exploring Operation: 16-6=10, Resulting Numbers: [64, 10] Generated Node #0,0,1: 10:[64, 10] Operation: 16-6=10 Exploring Operation: 64/16=4, Resulting Numbers: [6, 4] Generated Node #0,0,2: 10:[6, 4] Operation: 64/16=4 Moving to Node #0,1 Current State: 10:[6, 18, 66], Operations: ['82-16=66'] Exploring Operation: 66-18=48, Resulting Numbers: [6, 48] Generated Node #0,1,0: 10:[6, 48] Operation: 66-18=48 Exploring Operation: 18/6=3, Resulting Numbers: [66, 3] Generated Node #0,1,1: 10:[66, 3] Operation: 18/6=3 Exploring Operation: 66/6=11, Resulting Numbers: [18, 11] Generated Node #0,1,2: 10:[18, 11] Operation: 66/6=11 Moving to Node #0,2 Current State: 10:[6, 82, 2], Operations: ['18-16=2'] Exploring Operation: 82/2=41, Resulting Numbers: [6, 41] Generated Node #0,2,0: 10:[6, 41] Operation: 82/2=41 Exploring Operation: 82-6=76, Resulting Numbers: [2, 76] Generated Node #0,2,1: 10:[2, 76] Operation: 82-6=76 Exploring Operation: 82-2=80, Resulting Numbers: [6, 80] Generated Node #0,2,2: 10:[6, 80] Operation: 82-2=80 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 10:[6, 41], Operations: ['18-16=2', '82/2=41'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,10 unequal: No Solution Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,10 unequal: No Solution Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 10:[2, 76], Operations: ['18-16=2', '82-6=76'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,10 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 10:[6, 80], Operations: ['18-16=2', '82-2=80'] Exploring Operation: 6+80=86, Resulting Numbers: [86] 86,10 unequal: No Solution Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,10 unequal: No Solution Exploring Operation: 6*80=480, Resulting Numbers: [480] 480,10 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: 10:[6, 4], Operations: ['82-18=64', '64/16=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,10 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[6, 16, 18, 82], Operations: [] Exploring Operation: 82-18=64, Resulting Numbers: [6, 16, 64] Generated Node #0,0: 10:[6, 16, 64] Operation: 82-18=64 Moving to Node #0,0 Current State: 10:[6, 16, 64], Operations: ['82-18=64'] Exploring Operation: 64/16=4, Resulting Numbers: [6, 4] Generated Node #0,0,2: 10:[6, 4] Operation: 64/16=4 Moving to Node #0,0,2 Current State: 10:[6, 4], Operations: ['82-18=64', '64/16=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.976563
hs_3
sum_heuristic
[ 65, 20, 40, 91 ]
78
[ "65+91=156", "40/20=2", "156/2=78" ]
Current State: 78:[65, 20, 40, 91], Operations: [] Exploring Operation: 65+91=156, Resulting Numbers: [20, 40, 156] Generated Node #2: [20, 40, 156] from Operation: 65+91=156 Current State: 78:[20, 40, 156], Operations: ['65+91=156'] Exploring Operation: 40/20=2, Resulting Numbers: [156, 2] Generated Node #3: [156, 2] from Operation: 40/20=2 Current State: 78:[156, 2], Operations: ['65+91=156', '40/20=2'] Exploring Operation: 156/2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[65, 20, 40, 91], Operations: [] Exploring Operation: 91-65=26, Resulting Numbers: [20, 40, 26] Generated Node #0,0: 78:[20, 40, 26] Operation: 91-65=26 Exploring Operation: 65-20=45, Resulting Numbers: [40, 91, 45] Generated Node #0,1: 78:[40, 91, 45] Operation: 65-20=45 Moving to Node #0,0 Current State: 78:[20, 40, 26], Operations: ['91-65=26'] Exploring Operation: 26-20=6, Resulting Numbers: [40, 6] Generated Node #0,0,0: 78:[40, 6] Operation: 26-20=6 Exploring Operation: 40/20=2, Resulting Numbers: [26, 2] Generated Node #0,0,1: 78:[26, 2] Operation: 40/20=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 78:[26, 2], Operations: ['91-65=26', '40/20=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,78 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[40, 6], Operations: ['91-65=26', '26-20=6'] Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,78 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: 78:[40, 91, 45], Operations: ['65-20=45'] Exploring Operation: 91-45=46, Resulting Numbers: [40, 46] Generated Node #0,1,0: 78:[40, 46] Operation: 91-45=46 Exploring Operation: 45-40=5, Resulting Numbers: [91, 5] Generated Node #0,1,1: 78:[91, 5] Operation: 45-40=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[40, 46], Operations: ['65-20=45', '91-45=46'] Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,78 unequal: No Solution Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[91, 5], Operations: ['65-20=45', '45-40=5'] Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,78 unequal: No Solution Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 93, 24, 83, 83 ]
49
[ "93+24=117", "83+83=166", "166-117=49" ]
Current State: 49:[93, 24, 83, 83], Operations: [] Exploring Operation: 93+24=117, Resulting Numbers: [83, 83, 117] Generated Node #2: [83, 83, 117] from Operation: 93+24=117 Current State: 49:[83, 83, 117], Operations: ['93+24=117'] Exploring Operation: 83+83=166, Resulting Numbers: [117, 166] Generated Node #3: [117, 166] from Operation: 83+83=166 Current State: 49:[117, 166], Operations: ['93+24=117', '83+83=166'] Exploring Operation: 166-117=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[93, 24, 83, 83], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [24, 83, 10] Generated Node #0,0: 49:[24, 83, 10] Operation: 93-83=10 Exploring Operation: 93-83=10, Resulting Numbers: [24, 83, 10] Generated Node #0,1: 49:[24, 83, 10] Operation: 93-83=10 Exploring Operation: 83-83=0, Resulting Numbers: [93, 24, 0] Generated Node #0,2: 49:[93, 24, 0] Operation: 83-83=0 Exploring Operation: 83/83=1, Resulting Numbers: [93, 24, 1] Generated Node #0,3: 49:[93, 24, 1] Operation: 83/83=1 Moving to Node #0,0 Current State: 49:[24, 83, 10], Operations: ['93-83=10'] Exploring Operation: 83-24=59, Resulting Numbers: [10, 59] Generated Node #0,0,0: 49:[10, 59] Operation: 83-24=59 Exploring Operation: 24-10=14, Resulting Numbers: [83, 14] Generated Node #0,0,1: 49:[83, 14] Operation: 24-10=14 Exploring Operation: 24+10=34, Resulting Numbers: [83, 34] Generated Node #0,0,2: 49:[83, 34] Operation: 24+10=34 Exploring Operation: 83-10=73, Resulting Numbers: [24, 73] Generated Node #0,0,3: 49:[24, 73] Operation: 83-10=73 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[10, 59], Operations: ['93-83=10', '83-24=59'] Exploring Operation: 10+59=69, Resulting Numbers: [69] 69,49 unequal: No Solution Exploring Operation: 10*59=590, Resulting Numbers: [590] 590,49 unequal: No Solution Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[93, 24, 83, 83], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [24, 83, 10] Generated Node #0,0: 49:[24, 83, 10] Operation: 93-83=10 Moving to Node #0,0 Current State: 49:[24, 83, 10], Operations: ['93-83=10'] Exploring Operation: 83-24=59, Resulting Numbers: [10, 59] Generated Node #0,0,0: 49:[10, 59] Operation: 83-24=59 Moving to Node #0,0,0 Current State: 49:[10, 59], Operations: ['93-83=10', '83-24=59'] Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 34, 3, 41, 19 ]
76
[ "34+3=37", "41-37=4", "19*4=76" ]
Current State: 76:[34, 3, 41, 19], Operations: [] Exploring Operation: 34+3=37, Resulting Numbers: [41, 19, 37] Generated Node #2: [41, 19, 37] from Operation: 34+3=37 Current State: 76:[41, 19, 37], Operations: ['34+3=37'] Exploring Operation: 41-37=4, Resulting Numbers: [19, 4] Generated Node #3: [19, 4] from Operation: 41-37=4 Current State: 76:[19, 4], Operations: ['34+3=37', '41-37=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[34, 3, 41, 19], Operations: [] Exploring Operation: 41-34=7, Resulting Numbers: [3, 19, 7] Generated Node #0,0: 76:[3, 19, 7] Operation: 41-34=7 Exploring Operation: 34+41=75, Resulting Numbers: [3, 19, 75] Generated Node #0,1: 76:[3, 19, 75] Operation: 34+41=75 Exploring Operation: 34+3=37, Resulting Numbers: [41, 19, 37] Generated Node #0,2: 76:[41, 19, 37] Operation: 34+3=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[3, 19, 75], Operations: ['34+41=75'] Exploring Operation: 3+19=22, Resulting Numbers: [75, 22] Generated Node #0,1,0: 76:[75, 22] Operation: 3+19=22 Exploring Operation: 19-3=16, Resulting Numbers: [75, 16] Generated Node #0,1,1: 76:[75, 16] Operation: 19-3=16 Exploring Operation: 3+75=78, Resulting Numbers: [19, 78] Generated Node #0,1,2: 76:[19, 78] Operation: 3+75=78 Moving to Node #0,1,2 Current State: 76:[19, 78], Operations: ['34+41=75', '3+75=78'] Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 19+78=97, Resulting Numbers: [97] 97,76 unequal: No Solution Exploring Operation: 19*78=1482, Resulting Numbers: [1482] 1482,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[75, 22], Operations: ['34+41=75', '3+19=22'] Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,76 unequal: No Solution Exploring Operation: 75*22=1650, Resulting Numbers: [1650] 1650,76 unequal: No Solution Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[75, 16], Operations: ['34+41=75', '19-3=16'] Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,76 unequal: No Solution Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,76 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 Current State: 76:[3, 19, 7], Operations: ['41-34=7'] Exploring Operation: 3+19=22, Resulting Numbers: [7, 22] Generated Node #0,0,0: 76:[7, 22] Operation: 3+19=22 Exploring Operation: 3*7=21, Resulting Numbers: [19, 21] Generated Node #0,0,1: 76:[19, 21] Operation: 3*7=21 Exploring Operation: 7-3=4, Resulting Numbers: [19, 4] Generated Node #0,0,2: 76:[19, 4] Operation: 7-3=4 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 76:[19, 4], Operations: ['41-34=7', '7-3=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,76 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[34, 3, 41, 19], Operations: [] Exploring Operation: 41-34=7, Resulting Numbers: [3, 19, 7] Generated Node #0,0: 76:[3, 19, 7] Operation: 41-34=7 Moving to Node #0,0 Current State: 76:[3, 19, 7], Operations: ['41-34=7'] Exploring Operation: 7-3=4, Resulting Numbers: [19, 4] Generated Node #0,0,2: 76:[19, 4] Operation: 7-3=4 Moving to Node #0,0,2 Current State: 76:[19, 4], Operations: ['41-34=7', '7-3=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 1, 27, 10, 1 ]
37
[ "1+27=28", "10-1=9", "28+9=37" ]
Current State: 37:[1, 27, 10, 1], Operations: [] Exploring Operation: 1+27=28, Resulting Numbers: [10, 28] Generated Node #2: [10, 28] from Operation: 1+27=28 Current State: 37:[10, 28], Operations: ['1+27=28'] Exploring Operation: 10-1=9, Resulting Numbers: [28, 9] Generated Node #3: [28, 9] from Operation: 10-1=9 Current State: 37:[28, 9], Operations: ['1+27=28', '10-1=9'] Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[1, 27, 10, 1], Operations: [] Exploring Operation: 27+10=37, Resulting Numbers: [1, 1, 37] Generated Node #0,0: 37:[1, 1, 37] Operation: 27+10=37 Exploring Operation: 1+1=2, Resulting Numbers: [27, 10, 2] Generated Node #0,1: 37:[27, 10, 2] Operation: 1+1=2 Exploring Operation: 27+1=28, Resulting Numbers: [1, 10, 28] Generated Node #0,2: 37:[1, 10, 28] Operation: 27+1=28 Exploring Operation: 1+27=28, Resulting Numbers: [10, 1, 28] Generated Node #0,3: 37:[10, 1, 28] Operation: 1+27=28 Exploring Operation: 1+10=11, Resulting Numbers: [27, 1, 11] Generated Node #0,4: 37:[27, 1, 11] Operation: 1+10=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[1, 1, 37], Operations: ['27+10=37'] Exploring Operation: 1/1=1, Resulting Numbers: [37, 1] Generated Node #0,0,0: 37:[37, 1] Operation: 1/1=1 Exploring Operation: 1+1=2, Resulting Numbers: [37, 2] Generated Node #0,0,1: 37:[37, 2] Operation: 1+1=2 Exploring Operation: 1*1=1, Resulting Numbers: [37, 1] Generated Node #0,0,2: 37:[37, 1] Operation: 1*1=1 Exploring Operation: 1*37=37, Resulting Numbers: [1, 37] Generated Node #0,0,3: 37:[1, 37] Operation: 1*37=37 Exploring Operation: 37/1=37, Resulting Numbers: [1, 37] Generated Node #0,0,4: 37:[1, 37] Operation: 37/1=37 Moving to Node #0,0,1 Current State: 37:[37, 2], Operations: ['27+10=37', '1+1=2'] Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,37 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[37, 1], Operations: ['27+10=37', '1*1=1'] Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[1, 27, 10, 1], Operations: [] Exploring Operation: 27+10=37, Resulting Numbers: [1, 1, 37] Generated Node #0,0: 37:[1, 1, 37] Operation: 27+10=37 Moving to Node #0,0 Current State: 37:[1, 1, 37], Operations: ['27+10=37'] Exploring Operation: 1*1=1, Resulting Numbers: [37, 1] Generated Node #0,0,2: 37:[37, 1] Operation: 1*1=1 Moving to Node #0,0,2 Current State: 37:[37, 1], Operations: ['27+10=37', '1*1=1'] Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 77, 47, 33, 4 ]
97
[ "47+33=80", "80/4=20", "77+20=97" ]
Current State: 97:[77, 47, 33, 4], Operations: [] Exploring Operation: 47+33=80, Resulting Numbers: [77, 4, 80] Generated Node #2: [77, 4, 80] from Operation: 47+33=80 Current State: 97:[77, 4, 80], Operations: ['47+33=80'] Exploring Operation: 80/4=20, Resulting Numbers: [77, 20] Generated Node #3: [77, 20] from Operation: 80/4=20 Current State: 97:[77, 20], Operations: ['47+33=80', '80/4=20'] Exploring Operation: 77+20=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[77, 47, 33, 4], Operations: [] Exploring Operation: 33*4=132, Resulting Numbers: [77, 47, 132] Generated Node #0,0: 97:[77, 47, 132] Operation: 33*4=132 Moving to Node #0,0 Current State: 97:[77, 47, 132], Operations: ['33*4=132'] Exploring Operation: 132-47=85, Resulting Numbers: [77, 85] Generated Node #0,0,0: 97:[77, 85] Operation: 132-47=85 Moving to Node #0,0,0 Current State: 97:[77, 85], Operations: ['33*4=132', '132-47=85'] Exploring Operation: 77+85=162, Resulting Numbers: [162] 162,97 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 53, 74, 88, 90 ]
86
[ "90-53=37", "74/37=2", "88-2=86" ]
Current State: 86:[53, 74, 88, 90], Operations: [] Exploring Operation: 90-53=37, Resulting Numbers: [74, 88, 37] Generated Node #2: [74, 88, 37] from Operation: 90-53=37 Current State: 86:[74, 88, 37], Operations: ['90-53=37'] Exploring Operation: 74/37=2, Resulting Numbers: [88, 2] Generated Node #3: [88, 2] from Operation: 74/37=2 Current State: 86:[88, 2], Operations: ['90-53=37', '74/37=2'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[53, 74, 88, 90], Operations: [] Exploring Operation: 90-53=37, Resulting Numbers: [74, 88, 37] Generated Node #0,0: 86:[74, 88, 37] Operation: 90-53=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[74, 88, 37], Operations: ['90-53=37'] Exploring Operation: 74/37=2, Resulting Numbers: [88, 2] Generated Node #0,0,0: 86:[88, 2] Operation: 74/37=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[88, 2], Operations: ['90-53=37', '74/37=2'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[53, 74, 88, 90], Operations: [] Exploring Operation: 90-53=37, Resulting Numbers: [74, 88, 37] Generated Node #0,0: 86:[74, 88, 37] Operation: 90-53=37 Moving to Node #0,0 Current State: 86:[74, 88, 37], Operations: ['90-53=37'] Exploring Operation: 74/37=2, Resulting Numbers: [88, 2] Generated Node #0,0,0: 86:[88, 2] Operation: 74/37=2 Moving to Node #0,0,0 Current State: 86:[88, 2], Operations: ['90-53=37', '74/37=2'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 46, 43, 93, 86 ]
55
[ "46-43=3", "93/3=31", "86-31=55" ]
Current State: 55:[46, 43, 93, 86], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [93, 86, 3] Generated Node #2: [93, 86, 3] from Operation: 46-43=3 Current State: 55:[93, 86, 3], Operations: ['46-43=3'] Exploring Operation: 93/3=31, Resulting Numbers: [86, 31] Generated Node #3: [86, 31] from Operation: 93/3=31 Current State: 55:[86, 31], Operations: ['46-43=3', '93/3=31'] Exploring Operation: 86-31=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[46, 43, 93, 86], Operations: [] Exploring Operation: 93-43=50, Resulting Numbers: [46, 86, 50] Generated Node #0,0: 55:[46, 86, 50] Operation: 93-43=50 Exploring Operation: 93-86=7, Resulting Numbers: [46, 43, 7] Generated Node #0,1: 55:[46, 43, 7] Operation: 93-86=7 Exploring Operation: 86/43=2, Resulting Numbers: [46, 93, 2] Generated Node #0,2: 55:[46, 93, 2] Operation: 86/43=2 Exploring Operation: 93-46=47, Resulting Numbers: [43, 86, 47] Generated Node #0,3: 55:[43, 86, 47] Operation: 93-46=47 Moving to Node #0,1 Current State: 55:[46, 43, 7], Operations: ['93-86=7'] Exploring Operation: 46-43=3, Resulting Numbers: [7, 3] Generated Node #0,1,0: 55:[7, 3] Operation: 46-43=3 Exploring Operation: 46+7=53, Resulting Numbers: [43, 53] Generated Node #0,1,1: 55:[43, 53] Operation: 46+7=53 Exploring Operation: 46-7=39, Resulting Numbers: [43, 39] Generated Node #0,1,2: 55:[43, 39] Operation: 46-7=39 Exploring Operation: 43+7=50, Resulting Numbers: [46, 50] Generated Node #0,1,3: 55:[46, 50] Operation: 43+7=50 Moving to Node #0,0 Current State: 55:[46, 86, 50], Operations: ['93-43=50'] Exploring Operation: 46+50=96, Resulting Numbers: [86, 96] Generated Node #0,0,0: 55:[86, 96] Operation: 46+50=96 Exploring Operation: 86-50=36, Resulting Numbers: [46, 36] Generated Node #0,0,1: 55:[46, 36] Operation: 86-50=36 Exploring Operation: 50-46=4, Resulting Numbers: [86, 4] Generated Node #0,0,2: 55:[86, 4] Operation: 50-46=4 Exploring Operation: 86-46=40, Resulting Numbers: [50, 40] Generated Node #0,0,3: 55:[50, 40] Operation: 86-46=40 Moving to Node #0,2 Current State: 55:[46, 93, 2], Operations: ['86/43=2'] Exploring Operation: 46-2=44, Resulting Numbers: [93, 44] Generated Node #0,2,0: 55:[93, 44] Operation: 46-2=44 Exploring Operation: 93-2=91, Resulting Numbers: [46, 91] Generated Node #0,2,1: 55:[46, 91] Operation: 93-2=91 Exploring Operation: 93-46=47, Resulting Numbers: [2, 47] Generated Node #0,2,2: 55:[2, 47] Operation: 93-46=47 Exploring Operation: 46+2=48, Resulting Numbers: [93, 48] Generated Node #0,2,3: 55:[93, 48] Operation: 46+2=48 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 55:[2, 47], Operations: ['86/43=2', '93-46=47'] Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 55:[46, 91], Operations: ['86/43=2', '93-2=91'] Exploring Operation: 91-46=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 46+91=137, Resulting Numbers: [137] 137,55 unequal: No Solution Exploring Operation: 46*91=4186, Resulting Numbers: [4186] 4186,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 55:[93, 48], Operations: ['86/43=2', '46+2=48'] Exploring Operation: 93+48=141, Resulting Numbers: [141] 141,55 unequal: No Solution Exploring Operation: 93-48=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 93*48=4464, Resulting Numbers: [4464] 4464,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 55:[93, 44], Operations: ['86/43=2', '46-2=44'] Exploring Operation: 93*44=4092, Resulting Numbers: [4092] 4092,55 unequal: No Solution Exploring Operation: 93+44=137, Resulting Numbers: [137] 137,55 unequal: No Solution Exploring Operation: 93-44=49, Resulting Numbers: [49] 49,55 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: 55:[43, 86, 47], Operations: ['93-46=47'] Exploring Operation: 86-47=39, Resulting Numbers: [43, 39] Generated Node #0,3,0: 55:[43, 39] Operation: 86-47=39 Exploring Operation: 86/43=2, Resulting Numbers: [47, 2] Generated Node #0,3,1: 55:[47, 2] Operation: 86/43=2 Exploring Operation: 86-43=43, Resulting Numbers: [47, 43] Generated Node #0,3,2: 55:[47, 43] Operation: 86-43=43 Exploring Operation: 47-43=4, Resulting Numbers: [86, 4] Generated Node #0,3,3: 55:[86, 4] Operation: 47-43=4 Moving to Node #0,1,0 Current State: 55:[7, 3], Operations: ['93-86=7', '46-43=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,55 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,55 unequal: No Solution Moving to Node #0,3,1 Current State: 55:[47, 2], Operations: ['93-46=47', '86/43=2'] Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,55 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,55 unequal: No Solution Moving to Node #0,1,3 Current State: 55:[46, 50], Operations: ['93-86=7', '43+7=50'] Exploring Operation: 46+50=96, Resulting Numbers: [96] 96,55 unequal: No Solution Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 46*50=2300, Resulting Numbers: [2300] 2300,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[43, 53], Operations: ['93-86=7', '46+7=53'] Exploring Operation: 43+53=96, Resulting Numbers: [96] 96,55 unequal: No Solution Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,55 unequal: No Solution Exploring Operation: 43*53=2279, Resulting Numbers: [2279] 2279,55 unequal: No Solution Moving to Node #0,0,3 Current State: 55:[50, 40], Operations: ['93-43=50', '86-46=40'] Exploring Operation: 50+40=90, Resulting Numbers: [90] 90,55 unequal: No Solution Exploring Operation: 50-40=10, Resulting Numbers: [10] 10,55 unequal: No Solution Exploring Operation: 50*40=2000, Resulting Numbers: [2000] 2000,55 unequal: No Solution Moving to Node #0,3,2 Current State: 55:[47, 43], Operations: ['93-46=47', '86-43=43'] Exploring Operation: 47-43=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 47*43=2021, Resulting Numbers: [2021] 2021,55 unequal: No Solution Exploring Operation: 47+43=90, Resulting Numbers: [90] 90,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[46, 36], Operations: ['93-43=50', '86-50=36'] Exploring Operation: 46*36=1656, Resulting Numbers: [1656] 1656,55 unequal: No Solution Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,55 unequal: No Solution Exploring Operation: 46+36=82, Resulting Numbers: [82] 82,55 unequal: No Solution Moving to Node #0,3,0 Current State: 55:[43, 39], Operations: ['93-46=47', '86-47=39'] Exploring Operation: 43+39=82, Resulting Numbers: [82] 82,55 unequal: No Solution Exploring Operation: 43*39=1677, Resulting Numbers: [1677] 1677,55 unequal: No Solution Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,55 unequal: No Solution Moving to Node #0,1,2 Current State: 55:[43, 39], Operations: ['93-86=7', '46-7=39'] Exploring Operation: 43*39=1677, Resulting Numbers: [1677] 1677,55 unequal: No Solution Exploring Operation: 43+39=82, Resulting Numbers: [82] 82,55 unequal: No Solution Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[86, 4], Operations: ['93-43=50', '50-46=4'] Exploring Operation: 86+4=90, Resulting Numbers: [90] 90,55 unequal: No Solution Exploring Operation: 86*4=344, Resulting Numbers: [344] 344,55 unequal: No Solution Exploring Operation: 86-4=82, Resulting Numbers: [82] 82,55 unequal: No Solution Moving to Node #0,3,3 Current State: 55:[86, 4], Operations: ['93-46=47', '47-43=4'] Exploring Operation: 86+4=90, Resulting Numbers: [90] 90,55 unequal: No Solution Exploring Operation: 86*4=344, Resulting Numbers: [344] 344,55 unequal: No Solution Exploring Operation: 86-4=82, Resulting Numbers: [82] 82,55 unequal: No Solution Moving to Node #0,0,0 Current State: 55:[86, 96], Operations: ['93-43=50', '46+50=96'] Exploring Operation: 86*96=8256, Resulting Numbers: [8256] 8256,55 unequal: No Solution Exploring Operation: 86+96=182, Resulting Numbers: [182] 182,55 unequal: No Solution Exploring Operation: 96-86=10, Resulting Numbers: [10] 10,55 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 34, 95, 38, 44 ]
67
[ "95-34=61", "44-38=6", "61+6=67" ]
Current State: 67:[34, 95, 38, 44], Operations: [] Exploring Operation: 95-34=61, Resulting Numbers: [38, 44, 61] Generated Node #2: [38, 44, 61] from Operation: 95-34=61 Current State: 67:[38, 44, 61], Operations: ['95-34=61'] Exploring Operation: 44-38=6, Resulting Numbers: [61, 6] Generated Node #3: [61, 6] from Operation: 44-38=6 Current State: 67:[61, 6], Operations: ['95-34=61', '44-38=6'] Exploring Operation: 61+6=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[34, 95, 38, 44], Operations: [] Exploring Operation: 34+38=72, Resulting Numbers: [95, 44, 72] Generated Node #0,0: 67:[95, 44, 72] Operation: 34+38=72 Moving to Node #0,0 Current State: 67:[95, 44, 72], Operations: ['34+38=72'] Exploring Operation: 95-44=51, Resulting Numbers: [72, 51] Generated Node #0,0,0: 67:[72, 51] Operation: 95-44=51 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[72, 51], Operations: ['34+38=72', '95-44=51'] Exploring Operation: 72-51=21, Resulting Numbers: [21] 21,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 55, 6, 26, 5 ]
51
[ "55+26=81", "6*5=30", "81-30=51" ]
Current State: 51:[55, 6, 26, 5], Operations: [] Exploring Operation: 55+26=81, Resulting Numbers: [6, 5, 81] Generated Node #2: [6, 5, 81] from Operation: 55+26=81 Current State: 51:[6, 5, 81], Operations: ['55+26=81'] Exploring Operation: 6*5=30, Resulting Numbers: [81, 30] Generated Node #3: [81, 30] from Operation: 6*5=30 Current State: 51:[81, 30], Operations: ['55+26=81', '6*5=30'] Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[55, 6, 26, 5], Operations: [] Exploring Operation: 26-6=20, Resulting Numbers: [55, 5, 20] Generated Node #0,0: 51:[55, 5, 20] Operation: 26-6=20 Exploring Operation: 55-6=49, Resulting Numbers: [26, 5, 49] Generated Node #0,1: 51:[26, 5, 49] Operation: 55-6=49 Exploring Operation: 26-5=21, Resulting Numbers: [55, 6, 21] Generated Node #0,2: 51:[55, 6, 21] Operation: 26-5=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[55, 5, 20], Operations: ['26-6=20'] Exploring Operation: 20-5=15, Resulting Numbers: [55, 15] Generated Node #0,0,0: 51:[55, 15] Operation: 20-5=15 Exploring Operation: 20/5=4, Resulting Numbers: [55, 4] Generated Node #0,0,1: 51:[55, 4] Operation: 20/5=4 Exploring Operation: 55-5=50, Resulting Numbers: [20, 50] Generated Node #0,0,2: 51:[20, 50] Operation: 55-5=50 Moving to Node #0,0,2 Current State: 51:[20, 50], Operations: ['26-6=20', '55-5=50'] Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 20*50=1000, Resulting Numbers: [1000] 1000,51 unequal: No Solution Exploring Operation: 20+50=70, Resulting Numbers: [70] 70,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[55, 4], Operations: ['26-6=20', '20/5=4'] Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,51 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[55, 6, 26, 5], Operations: [] Exploring Operation: 26-6=20, Resulting Numbers: [55, 5, 20] Generated Node #0,0: 51:[55, 5, 20] Operation: 26-6=20 Moving to Node #0,0 Current State: 51:[55, 5, 20], Operations: ['26-6=20'] Exploring Operation: 20/5=4, Resulting Numbers: [55, 4] Generated Node #0,0,1: 51:[55, 4] Operation: 20/5=4 Moving to Node #0,0,1 Current State: 51:[55, 4], Operations: ['26-6=20', '20/5=4'] Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 31, 42, 49, 47 ]
23
[ "31+42=73", "49+47=96", "96-73=23" ]
Current State: 23:[31, 42, 49, 47], Operations: [] Exploring Operation: 31+42=73, Resulting Numbers: [49, 47, 73] Generated Node #2: [49, 47, 73] from Operation: 31+42=73 Current State: 23:[49, 47, 73], Operations: ['31+42=73'] Exploring Operation: 49+47=96, Resulting Numbers: [73, 96] Generated Node #3: [73, 96] from Operation: 49+47=96 Current State: 23:[73, 96], Operations: ['31+42=73', '49+47=96'] Exploring Operation: 96-73=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[31, 42, 49, 47], Operations: [] Exploring Operation: 49-42=7, Resulting Numbers: [31, 47, 7] Generated Node #0,0: 23:[31, 47, 7] Operation: 49-42=7 Exploring Operation: 49-31=18, Resulting Numbers: [42, 47, 18] Generated Node #0,1: 23:[42, 47, 18] Operation: 49-31=18 Exploring Operation: 47-31=16, Resulting Numbers: [42, 49, 16] Generated Node #0,2: 23:[42, 49, 16] Operation: 47-31=16 Exploring Operation: 49-47=2, Resulting Numbers: [31, 42, 2] Generated Node #0,3: 23:[31, 42, 2] Operation: 49-47=2 Moving to Node #0,0 Current State: 23:[31, 47, 7], Operations: ['49-42=7'] Exploring Operation: 31-7=24, Resulting Numbers: [47, 24] Generated Node #0,0,0: 23:[47, 24] Operation: 31-7=24 Exploring Operation: 47-7=40, Resulting Numbers: [31, 40] Generated Node #0,0,1: 23:[31, 40] Operation: 47-7=40 Exploring Operation: 31+7=38, Resulting Numbers: [47, 38] Generated Node #0,0,2: 23:[47, 38] Operation: 31+7=38 Exploring Operation: 47-31=16, Resulting Numbers: [7, 16] Generated Node #0,0,3: 23:[7, 16] Operation: 47-31=16 Moving to Node #0,3 Current State: 23:[31, 42, 2], Operations: ['49-47=2'] Exploring Operation: 42-2=40, Resulting Numbers: [31, 40] Generated Node #0,3,0: 23:[31, 40] Operation: 42-2=40 Exploring Operation: 31-2=29, Resulting Numbers: [42, 29] Generated Node #0,3,1: 23:[42, 29] Operation: 31-2=29 Exploring Operation: 42/2=21, Resulting Numbers: [31, 21] Generated Node #0,3,2: 23:[31, 21] Operation: 42/2=21 Exploring Operation: 31+2=33, Resulting Numbers: [42, 33] Generated Node #0,3,3: 23:[42, 33] Operation: 31+2=33 Moving to Node #0,1 Current State: 23:[42, 47, 18], Operations: ['49-31=18'] Exploring Operation: 42+18=60, Resulting Numbers: [47, 60] Generated Node #0,1,0: 23:[47, 60] Operation: 42+18=60 Exploring Operation: 47-42=5, Resulting Numbers: [18, 5] Generated Node #0,1,1: 23:[18, 5] Operation: 47-42=5 Exploring Operation: 47-18=29, Resulting Numbers: [42, 29] Generated Node #0,1,2: 23:[42, 29] Operation: 47-18=29 Exploring Operation: 42-18=24, Resulting Numbers: [47, 24] Generated Node #0,1,3: 23:[47, 24] Operation: 42-18=24 Moving to Node #0,2 Current State: 23:[42, 49, 16], Operations: ['47-31=16'] Exploring Operation: 49-42=7, Resulting Numbers: [16, 7] Generated Node #0,2,0: 23:[16, 7] Operation: 49-42=7 Exploring Operation: 42+16=58, Resulting Numbers: [49, 58] Generated Node #0,2,1: 23:[49, 58] Operation: 42+16=58 Exploring Operation: 49-16=33, Resulting Numbers: [42, 33] Generated Node #0,2,2: 23:[42, 33] Operation: 49-16=33 Exploring Operation: 42-16=26, Resulting Numbers: [49, 26] Generated Node #0,2,3: 23:[49, 26] Operation: 42-16=26 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 23:[16, 7], Operations: ['47-31=16', '49-42=7'] Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,23 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[31, 42, 49, 47], Operations: [] Exploring Operation: 47-31=16, Resulting Numbers: [42, 49, 16] Generated Node #0,2: 23:[42, 49, 16] Operation: 47-31=16 Moving to Node #0,2 Current State: 23:[42, 49, 16], Operations: ['47-31=16'] Exploring Operation: 49-42=7, Resulting Numbers: [16, 7] Generated Node #0,2,0: 23:[16, 7] Operation: 49-42=7 Moving to Node #0,2,0 Current State: 23:[16, 7], Operations: ['47-31=16', '49-42=7'] Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_4
mult_heuristic
[ 95, 97, 53, 89 ]
25
[ "95-89=6", "97+53=150", "150/6=25" ]
Current State: 25:[95, 97, 53, 89], Operations: [] Exploring Operation: 95-89=6, Resulting Numbers: [97, 53, 6] Generated Node #2: [97, 53, 6] from Operation: 95-89=6 Current State: 25:[97, 53, 6], Operations: ['95-89=6'] Exploring Operation: 97+53=150, Resulting Numbers: [6, 150] Generated Node #3: [6, 150] from Operation: 97+53=150 Current State: 25:[6, 150], Operations: ['95-89=6', '97+53=150'] Exploring Operation: 150/6=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[95, 97, 53, 89], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [53, 89, 2] Generated Node #0,0: 25:[53, 89, 2] Operation: 97-95=2 Moving to Node #0,0 Current State: 25:[53, 89, 2], Operations: ['97-95=2'] Exploring Operation: 89-53=36, Resulting Numbers: [2, 36] Generated Node #0,0,0: 25:[2, 36] Operation: 89-53=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[2, 36], Operations: ['97-95=2', '89-53=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,25 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
[ 97, 91, 4, 1 ]
48
[ "97+91=188", "188/4=47", "1+47=48" ]
Current State: 48:[97, 91, 4, 1], Operations: [] Exploring Operation: 97+91=188, Resulting Numbers: [4, 1, 188] Generated Node #2: [4, 1, 188] from Operation: 97+91=188 Current State: 48:[4, 1, 188], Operations: ['97+91=188'] Exploring Operation: 188/4=47, Resulting Numbers: [1, 47] Generated Node #3: [1, 47] from Operation: 188/4=47 Current State: 48:[1, 47], Operations: ['97+91=188', '188/4=47'] Exploring Operation: 1+47=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[97, 91, 4, 1], Operations: [] Exploring Operation: 97-91=6, Resulting Numbers: [4, 1, 6] Generated Node #0,0: 48:[4, 1, 6] Operation: 97-91=6 Exploring Operation: 91-4=87, Resulting Numbers: [97, 1, 87] Generated Node #0,1: 48:[97, 1, 87] Operation: 91-4=87 Exploring Operation: 97-4=93, Resulting Numbers: [91, 1, 93] Generated Node #0,2: 48:[91, 1, 93] Operation: 97-4=93 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[4, 1, 6], Operations: ['97-91=6'] Exploring Operation: 4/1=4, Resulting Numbers: [6, 4] Generated Node #0,0,0: 48:[6, 4] Operation: 4/1=4 Exploring Operation: 4-1=3, Resulting Numbers: [6, 3] Generated Node #0,0,1: 48:[6, 3] Operation: 4-1=3 Exploring Operation: 4*1=4, Resulting Numbers: [6, 4] Generated Node #0,0,2: 48:[6, 4] Operation: 4*1=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[6, 4], Operations: ['97-91=6', '4/1=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,48 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[6, 3], Operations: ['97-91=6', '4-1=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 48:[6, 4], Operations: ['97-91=6', '4*1=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[97, 1, 87], Operations: ['91-4=87'] Exploring Operation: 97-1=96, Resulting Numbers: [87, 96] Generated Node #0,1,0: 48:[87, 96] Operation: 97-1=96 Exploring Operation: 97-87=10, Resulting Numbers: [1, 10] Generated Node #0,1,1: 48:[1, 10] Operation: 97-87=10 Exploring Operation: 87-1=86, Resulting Numbers: [97, 86] Generated Node #0,1,2: 48:[97, 86] Operation: 87-1=86 Moving to Node #0,1,1 Current State: 48:[1, 10], Operations: ['91-4=87', '97-87=10'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,48 unequal: No Solution Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[87, 96], Operations: ['91-4=87', '97-1=96'] Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 87+96=183, Resulting Numbers: [183] 183,48 unequal: No Solution Exploring Operation: 87*96=8352, Resulting Numbers: [8352] 8352,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[97, 86], Operations: ['91-4=87', '87-1=86'] Exploring Operation: 97+86=183, Resulting Numbers: [183] 183,48 unequal: No Solution Exploring Operation: 97*86=8342, Resulting Numbers: [8342] 8342,48 unequal: No Solution Exploring Operation: 97-86=11, Resulting Numbers: [11] 11,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[91, 1, 93], Operations: ['97-4=93'] Exploring Operation: 91-1=90, Resulting Numbers: [93, 90] Generated Node #0,2,0: 48:[93, 90] Operation: 91-1=90 Exploring Operation: 93-91=2, Resulting Numbers: [1, 2] Generated Node #0,2,1: 48:[1, 2] Operation: 93-91=2 Exploring Operation: 93-1=92, Resulting Numbers: [91, 92] Generated Node #0,2,2: 48:[91, 92] Operation: 93-1=92 Moving to Node #0,2,1 Current State: 48:[1, 2], Operations: ['97-4=93', '93-91=2'] Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[93, 90], Operations: ['97-4=93', '91-1=90'] Exploring Operation: 93-90=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 93+90=183, Resulting Numbers: [183] 183,48 unequal: No Solution Exploring Operation: 93*90=8370, Resulting Numbers: [8370] 8370,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[91, 92], Operations: ['97-4=93', '93-1=92'] Exploring Operation: 91+92=183, Resulting Numbers: [183] 183,48 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 91*92=8372, Resulting Numbers: [8372] 8372,48 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
[ 82, 2, 30, 98 ]
22
[ "98-82=16", "16/2=8", "30-8=22" ]
Current State: 22:[82, 2, 30, 98], Operations: [] Exploring Operation: 98-82=16, Resulting Numbers: [2, 30, 16] Generated Node #2: [2, 30, 16] from Operation: 98-82=16 Current State: 22:[2, 30, 16], Operations: ['98-82=16'] Exploring Operation: 16/2=8, Resulting Numbers: [30, 8] Generated Node #3: [30, 8] from Operation: 16/2=8 Current State: 22:[30, 8], Operations: ['98-82=16', '16/2=8'] Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[82, 2, 30, 98], Operations: [] Exploring Operation: 98-82=16, Resulting Numbers: [2, 30, 16] Generated Node #0,0: 22:[2, 30, 16] Operation: 98-82=16 Exploring Operation: 98/2=49, Resulting Numbers: [82, 30, 49] Generated Node #0,1: 22:[82, 30, 49] Operation: 98/2=49 Exploring Operation: 82/2=41, Resulting Numbers: [30, 98, 41] Generated Node #0,2: 22:[30, 98, 41] Operation: 82/2=41 Moving to Node #0,0 Current State: 22:[2, 30, 16], Operations: ['98-82=16'] Exploring Operation: 30-2=28, Resulting Numbers: [16, 28] Generated Node #0,0,0: 22:[16, 28] Operation: 30-2=28 Exploring Operation: 30-16=14, Resulting Numbers: [2, 14] Generated Node #0,0,1: 22:[2, 14] Operation: 30-16=14 Exploring Operation: 30/2=15, Resulting Numbers: [16, 15] Generated Node #0,0,2: 22:[16, 15] Operation: 30/2=15 Moving to Node #0,1 Current State: 22:[82, 30, 49], Operations: ['98/2=49'] Exploring Operation: 82-30=52, Resulting Numbers: [49, 52] Generated Node #0,1,0: 22:[49, 52] Operation: 82-30=52 Exploring Operation: 49-30=19, Resulting Numbers: [82, 19] Generated Node #0,1,1: 22:[82, 19] Operation: 49-30=19 Exploring Operation: 82-49=33, Resulting Numbers: [30, 33] Generated Node #0,1,2: 22:[30, 33] Operation: 82-49=33 Moving to Node #0,2 Current State: 22:[30, 98, 41], Operations: ['82/2=41'] Exploring Operation: 98-30=68, Resulting Numbers: [41, 68] Generated Node #0,2,0: 22:[41, 68] Operation: 98-30=68 Exploring Operation: 98-41=57, Resulting Numbers: [30, 57] Generated Node #0,2,1: 22:[30, 57] Operation: 98-41=57 Exploring Operation: 41-30=11, Resulting Numbers: [98, 11] Generated Node #0,2,2: 22:[98, 11] Operation: 41-30=11 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 22:[30, 57], Operations: ['82/2=41', '98-41=57'] Exploring Operation: 30*57=1710, Resulting Numbers: [1710] 1710,22 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 30+57=87, Resulting Numbers: [87] 87,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 22:[41, 68], Operations: ['82/2=41', '98-30=68'] Exploring Operation: 41+68=109, Resulting Numbers: [109] 109,22 unequal: No Solution Exploring Operation: 68-41=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 41*68=2788, Resulting Numbers: [2788] 2788,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 22:[98, 11], Operations: ['82/2=41', '41-30=11'] Exploring Operation: 98*11=1078, Resulting Numbers: [1078] 1078,22 unequal: No Solution Exploring Operation: 98-11=87, Resulting Numbers: [87] 87,22 unequal: No Solution Exploring Operation: 98+11=109, Resulting Numbers: [109] 109,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 22:[2, 14], Operations: ['98-82=16', '30-16=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,22 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,22 unequal: No Solution Moving to Node #0,0,2 Current State: 22:[16, 15], Operations: ['98-82=16', '30/2=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,22 unequal: No Solution Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,22 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,22 unequal: No Solution Moving to Node #0,0,0 Current State: 22:[16, 28], Operations: ['98-82=16', '30-2=28'] Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 16+28=44, Resulting Numbers: [44] 44,22 unequal: No Solution Exploring Operation: 16*28=448, Resulting Numbers: [448] 448,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[30, 33], Operations: ['98/2=49', '82-49=33'] Exploring Operation: 30+33=63, Resulting Numbers: [63] 63,22 unequal: No Solution Exploring Operation: 30*33=990, Resulting Numbers: [990] 990,22 unequal: No Solution Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[49, 52], Operations: ['98/2=49', '82-30=52'] Exploring Operation: 49+52=101, Resulting Numbers: [101] 101,22 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 49*52=2548, Resulting Numbers: [2548] 2548,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[82, 19], Operations: ['98/2=49', '49-30=19'] Exploring Operation: 82*19=1558, Resulting Numbers: [1558] 1558,22 unequal: No Solution Exploring Operation: 82-19=63, Resulting Numbers: [63] 63,22 unequal: No Solution Exploring Operation: 82+19=101, Resulting Numbers: [101] 101,22 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 70, 3, 97, 63 ]
87
[ "70+3=73", "97+63=160", "160-73=87" ]
Current State: 87:[70, 3, 97, 63], Operations: [] Exploring Operation: 70+3=73, Resulting Numbers: [97, 63, 73] Generated Node #2: [97, 63, 73] from Operation: 70+3=73 Current State: 87:[97, 63, 73], Operations: ['70+3=73'] Exploring Operation: 97+63=160, Resulting Numbers: [73, 160] Generated Node #3: [73, 160] from Operation: 97+63=160 Current State: 87:[73, 160], Operations: ['70+3=73', '97+63=160'] Exploring Operation: 160-73=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[70, 3, 97, 63], Operations: [] Exploring Operation: 70-63=7, Resulting Numbers: [3, 97, 7] Generated Node #0,0: 87:[3, 97, 7] Operation: 70-63=7 Exploring Operation: 97-63=34, Resulting Numbers: [70, 3, 34] Generated Node #0,1: 87:[70, 3, 34] Operation: 97-63=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[3, 97, 7], Operations: ['70-63=7'] Exploring Operation: 97-7=90, Resulting Numbers: [3, 90] Generated Node #0,0,0: 87:[3, 90] Operation: 97-7=90 Exploring Operation: 97-3=94, Resulting Numbers: [7, 94] Generated Node #0,0,1: 87:[7, 94] Operation: 97-3=94 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[3, 90], Operations: ['70-63=7', '97-7=90'] Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,87 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[70, 3, 97, 63], Operations: [] Exploring Operation: 70-63=7, Resulting Numbers: [3, 97, 7] Generated Node #0,0: 87:[3, 97, 7] Operation: 70-63=7 Moving to Node #0,0 Current State: 87:[3, 97, 7], Operations: ['70-63=7'] Exploring Operation: 97-7=90, Resulting Numbers: [3, 90] Generated Node #0,0,0: 87:[3, 90] Operation: 97-7=90 Moving to Node #0,0,0 Current State: 87:[3, 90], Operations: ['70-63=7', '97-7=90'] Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 3, 45, 81, 57 ]
77
[ "57-45=12", "12/3=4", "81-4=77" ]
Current State: 77:[3, 45, 81, 57], Operations: [] Exploring Operation: 57-45=12, Resulting Numbers: [3, 81, 12] Generated Node #2: [3, 81, 12] from Operation: 57-45=12 Current State: 77:[3, 81, 12], Operations: ['57-45=12'] Exploring Operation: 12/3=4, Resulting Numbers: [81, 4] Generated Node #3: [81, 4] from Operation: 12/3=4 Current State: 77:[81, 4], Operations: ['57-45=12', '12/3=4'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[3, 45, 81, 57], Operations: [] Exploring Operation: 45/3=15, Resulting Numbers: [81, 57, 15] Generated Node #0,0: 77:[81, 57, 15] Operation: 45/3=15 Exploring Operation: 57-45=12, Resulting Numbers: [3, 81, 12] Generated Node #0,1: 77:[3, 81, 12] Operation: 57-45=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[3, 81, 12], Operations: ['57-45=12'] Exploring Operation: 81-3=78, Resulting Numbers: [12, 78] Generated Node #0,1,0: 77:[12, 78] Operation: 81-3=78 Exploring Operation: 12-3=9, Resulting Numbers: [81, 9] Generated Node #0,1,1: 77:[81, 9] Operation: 12-3=9 Moving to Node #0,1,0 Current State: 77:[12, 78], Operations: ['57-45=12', '81-3=78'] Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,77 unequal: No Solution Exploring Operation: 12+78=90, Resulting Numbers: [90] 90,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[81, 9], Operations: ['57-45=12', '12-3=9'] Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,77 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 Current State: 77:[81, 57, 15], Operations: ['45/3=15'] Exploring Operation: 57+15=72, Resulting Numbers: [81, 72] Generated Node #0,0,0: 77:[81, 72] Operation: 57+15=72 Exploring Operation: 81-57=24, Resulting Numbers: [15, 24] Generated Node #0,0,1: 77:[15, 24] Operation: 81-57=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[81, 72], Operations: ['45/3=15', '57+15=72'] Exploring Operation: 81+72=153, Resulting Numbers: [153] 153,77 unequal: No Solution Exploring Operation: 81-72=9, Resulting Numbers: [9] 9,77 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:[15, 24], Operations: ['45/3=15', '81-57=24'] Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,77 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,77 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 No solution found.
0
hs_2
mult_heuristic
[ 66, 73, 27, 31 ]
70
[ "66+27=93", "93/31=3", "73-3=70" ]
Current State: 70:[66, 73, 27, 31], Operations: [] Exploring Operation: 66+27=93, Resulting Numbers: [73, 31, 93] Generated Node #2: [73, 31, 93] from Operation: 66+27=93 Current State: 70:[73, 31, 93], Operations: ['66+27=93'] Exploring Operation: 93/31=3, Resulting Numbers: [73, 3] Generated Node #3: [73, 3] from Operation: 93/31=3 Current State: 70:[73, 3], Operations: ['66+27=93', '93/31=3'] Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[66, 73, 27, 31], Operations: [] Exploring Operation: 31-27=4, Resulting Numbers: [66, 73, 4] Generated Node #0,0: 70:[66, 73, 4] Operation: 31-27=4 Moving to Node #0,0 Current State: 70:[66, 73, 4], Operations: ['31-27=4'] Exploring Operation: 73-66=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 70:[4, 7] Operation: 73-66=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[4, 7], Operations: ['31-27=4', '73-66=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 26, 45, 59, 65 ]
77
[ "26+45=71", "65-59=6", "71+6=77" ]
Current State: 77:[26, 45, 59, 65], Operations: [] Exploring Operation: 26+45=71, Resulting Numbers: [59, 65, 71] Generated Node #2: [59, 65, 71] from Operation: 26+45=71 Current State: 77:[59, 65, 71], Operations: ['26+45=71'] Exploring Operation: 65-59=6, Resulting Numbers: [71, 6] Generated Node #3: [71, 6] from Operation: 65-59=6 Current State: 77:[71, 6], Operations: ['26+45=71', '65-59=6'] Exploring Operation: 71+6=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[26, 45, 59, 65], Operations: [] Exploring Operation: 26+45=71, Resulting Numbers: [59, 65, 71] Generated Node #0,0: 77:[59, 65, 71] Operation: 26+45=71 Exploring Operation: 59-45=14, Resulting Numbers: [26, 65, 14] Generated Node #0,1: 77:[26, 65, 14] Operation: 59-45=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[26, 65, 14], Operations: ['59-45=14'] Exploring Operation: 26+65=91, Resulting Numbers: [14, 91] Generated Node #0,1,0: 77:[14, 91] Operation: 26+65=91 Exploring Operation: 26-14=12, Resulting Numbers: [65, 12] Generated Node #0,1,1: 77:[65, 12] Operation: 26-14=12 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 77:[65, 12], Operations: ['59-45=14', '26-14=12'] Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,77 unequal: No Solution Exploring Operation: 65+12=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[26, 45, 59, 65], Operations: [] Exploring Operation: 59-45=14, Resulting Numbers: [26, 65, 14] Generated Node #0,1: 77:[26, 65, 14] Operation: 59-45=14 Moving to Node #0,1 Current State: 77:[26, 65, 14], Operations: ['59-45=14'] Exploring Operation: 26-14=12, Resulting Numbers: [65, 12] Generated Node #0,1,1: 77:[65, 12] Operation: 26-14=12 Moving to Node #0,1,1 Current State: 77:[65, 12], Operations: ['59-45=14', '26-14=12'] Exploring Operation: 65+12=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 79, 8, 13, 3 ]
28
[ "79-8=71", "13+71=84", "84/3=28" ]
Current State: 28:[79, 8, 13, 3], Operations: [] Exploring Operation: 79-8=71, Resulting Numbers: [13, 3, 71] Generated Node #2: [13, 3, 71] from Operation: 79-8=71 Current State: 28:[13, 3, 71], Operations: ['79-8=71'] Exploring Operation: 13+71=84, Resulting Numbers: [3, 84] Generated Node #3: [3, 84] from Operation: 13+71=84 Current State: 28:[3, 84], Operations: ['79-8=71', '13+71=84'] Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[79, 8, 13, 3], Operations: [] Exploring Operation: 79-13=66, Resulting Numbers: [8, 3, 66] Generated Node #0,0: 28:[8, 3, 66] Operation: 79-13=66 Exploring Operation: 79-8=71, Resulting Numbers: [13, 3, 71] Generated Node #0,1: 28:[13, 3, 71] Operation: 79-8=71 Exploring Operation: 79-3=76, Resulting Numbers: [8, 13, 76] Generated Node #0,2: 28:[8, 13, 76] Operation: 79-3=76 Exploring Operation: 13-8=5, Resulting Numbers: [79, 3, 5] Generated Node #0,3: 28:[79, 3, 5] Operation: 13-8=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[8, 3, 66], Operations: ['79-13=66'] Exploring Operation: 66-3=63, Resulting Numbers: [8, 63] Generated Node #0,0,0: 28:[8, 63] Operation: 66-3=63 Exploring Operation: 66-8=58, Resulting Numbers: [3, 58] Generated Node #0,0,1: 28:[3, 58] Operation: 66-8=58 Exploring Operation: 8-3=5, Resulting Numbers: [66, 5] Generated Node #0,0,2: 28:[66, 5] Operation: 8-3=5 Exploring Operation: 66/3=22, Resulting Numbers: [8, 22] Generated Node #0,0,3: 28:[8, 22] Operation: 66/3=22 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 28:[8, 22], Operations: ['79-13=66', '66/3=22'] Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,28 unequal: No Solution Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,28 unequal: No Solution Exploring Operation: 8*22=176, Resulting Numbers: [176] 176,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 28:[3, 58], Operations: ['79-13=66', '66-8=58'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,28 unequal: No Solution Exploring Operation: 3*58=174, Resulting Numbers: [174] 174,28 unequal: No Solution Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[8, 63], Operations: ['79-13=66', '66-3=63'] Exploring Operation: 8*63=504, Resulting Numbers: [504] 504,28 unequal: No Solution Exploring Operation: 63-8=55, Resulting Numbers: [55] 55,28 unequal: No Solution Exploring Operation: 8+63=71, Resulting Numbers: [71] 71,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 28:[66, 5], Operations: ['79-13=66', '8-3=5'] Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,28 unequal: No Solution Exploring Operation: 66+5=71, Resulting Numbers: [71] 71,28 unequal: No Solution Exploring Operation: 66*5=330, Resulting Numbers: [330] 330,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[13, 3, 71], Operations: ['79-8=71'] Exploring Operation: 13+3=16, Resulting Numbers: [71, 16] Generated Node #0,1,0: 28:[71, 16] Operation: 13+3=16 Exploring Operation: 71-13=58, Resulting Numbers: [3, 58] Generated Node #0,1,1: 28:[3, 58] Operation: 71-13=58 Exploring Operation: 71-3=68, Resulting Numbers: [13, 68] Generated Node #0,1,2: 28:[13, 68] Operation: 71-3=68 Exploring Operation: 13-3=10, Resulting Numbers: [71, 10] Generated Node #0,1,3: 28:[71, 10] Operation: 13-3=10 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 28:[3, 58], Operations: ['79-8=71', '71-13=58'] Exploring Operation: 3*58=174, Resulting Numbers: [174] 174,28 unequal: No Solution Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,28 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 28:[13, 68], Operations: ['79-8=71', '71-3=68'] Exploring Operation: 13*68=884, Resulting Numbers: [884] 884,28 unequal: No Solution Exploring Operation: 13+68=81, Resulting Numbers: [81] 81,28 unequal: No Solution Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 28:[71, 16], Operations: ['79-8=71', '13+3=16'] Exploring Operation: 71*16=1136, Resulting Numbers: [1136] 1136,28 unequal: No Solution Exploring Operation: 71-16=55, Resulting Numbers: [55] 55,28 unequal: No Solution Exploring Operation: 71+16=87, Resulting Numbers: [87] 87,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 28:[71, 10], Operations: ['79-8=71', '13-3=10'] Exploring Operation: 71*10=710, Resulting Numbers: [710] 710,28 unequal: No Solution Exploring Operation: 71-10=61, Resulting Numbers: [61] 61,28 unequal: No Solution Exploring Operation: 71+10=81, Resulting Numbers: [81] 81,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[8, 13, 76], Operations: ['79-3=76'] Exploring Operation: 76-8=68, Resulting Numbers: [13, 68] Generated Node #0,2,0: 28:[13, 68] Operation: 76-8=68 Exploring Operation: 76-13=63, Resulting Numbers: [8, 63] Generated Node #0,2,1: 28:[8, 63] Operation: 76-13=63 Exploring Operation: 13-8=5, Resulting Numbers: [76, 5] Generated Node #0,2,2: 28:[76, 5] Operation: 13-8=5 Exploring Operation: 8+13=21, Resulting Numbers: [76, 21] Generated Node #0,2,3: 28:[76, 21] Operation: 8+13=21 Moving to Node #0,2,1 Current State: 28:[8, 63], Operations: ['79-3=76', '76-13=63'] Exploring Operation: 63-8=55, Resulting Numbers: [55] 55,28 unequal: No Solution Exploring Operation: 8*63=504, Resulting Numbers: [504] 504,28 unequal: No Solution Exploring Operation: 8+63=71, Resulting Numbers: [71] 71,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[13, 68], Operations: ['79-3=76', '76-8=68'] Exploring Operation: 13+68=81, Resulting Numbers: [81] 81,28 unequal: No Solution Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,28 unequal: No Solution Exploring Operation: 13*68=884, Resulting Numbers: [884] 884,28 unequal: No Solution Moving to Node #0,2,2 Current State: 28:[76, 5], Operations: ['79-3=76', '13-8=5'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,28 unequal: No Solution Exploring Operation: 76*5=380, Resulting Numbers: [380] 380,28 unequal: No Solution Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,28 unequal: No Solution Moving to Node #0,2,3 Current State: 28:[76, 21], Operations: ['79-3=76', '8+13=21'] Exploring Operation: 76*21=1596, Resulting Numbers: [1596] 1596,28 unequal: No Solution Exploring Operation: 76+21=97, Resulting Numbers: [97] 97,28 unequal: No Solution Exploring Operation: 76-21=55, Resulting Numbers: [55] 55,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 28:[79, 3, 5], Operations: ['13-8=5'] Exploring Operation: 3+5=8, Resulting Numbers: [79, 8] Generated Node #0,3,0: 28:[79, 8] Operation: 3+5=8 Exploring Operation: 5-3=2, Resulting Numbers: [79, 2] Generated Node #0,3,1: 28:[79, 2] Operation: 5-3=2 Exploring Operation: 79-5=74, Resulting Numbers: [3, 74] Generated Node #0,3,2: 28:[3, 74] Operation: 79-5=74 Exploring Operation: 79-3=76, Resulting Numbers: [5, 76] Generated Node #0,3,3: 28:[5, 76] Operation: 79-3=76 Moving to Node #0,3,2 Current State: 28:[3, 74], Operations: ['13-8=5', '79-5=74'] Exploring Operation: 3*74=222, Resulting Numbers: [222] 222,28 unequal: No Solution Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,28 unequal: No Solution Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,28 unequal: No Solution Moving to Node #0,3,3 Current State: 28:[5, 76], Operations: ['13-8=5', '79-3=76'] Exploring Operation: 5*76=380, Resulting Numbers: [380] 380,28 unequal: No Solution Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,28 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,28 unequal: No Solution Moving to Node #0,3,1 Current State: 28:[79, 2], Operations: ['13-8=5', '5-3=2'] Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,28 unequal: No Solution Exploring Operation: 79*2=158, Resulting Numbers: [158] 158,28 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,28 unequal: No Solution Moving to Node #0,3,0 Current State: 28:[79, 8], Operations: ['13-8=5', '3+5=8'] Exploring Operation: 79*8=632, Resulting Numbers: [632] 632,28 unequal: No Solution Exploring Operation: 79-8=71, Resulting Numbers: [71] 71,28 unequal: No Solution Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,28 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
[ 80, 84, 40, 24 ]
62
[ "80/40=2", "84-24=60", "2+60=62" ]
Current State: 62:[80, 84, 40, 24], Operations: [] Exploring Operation: 80/40=2, Resulting Numbers: [84, 24, 2] Generated Node #2: [84, 24, 2] from Operation: 80/40=2 Current State: 62:[84, 24, 2], Operations: ['80/40=2'] Exploring Operation: 84-24=60, Resulting Numbers: [2, 60] Generated Node #3: [2, 60] from Operation: 84-24=60 Current State: 62:[2, 60], Operations: ['80/40=2', '84-24=60'] Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[80, 84, 40, 24], Operations: [] Exploring Operation: 80-40=40, Resulting Numbers: [84, 24, 40] Generated Node #0,0: 62:[84, 24, 40] Operation: 80-40=40 Exploring Operation: 80/40=2, Resulting Numbers: [84, 24, 2] Generated Node #0,1: 62:[84, 24, 2] Operation: 80/40=2 Exploring Operation: 84-24=60, Resulting Numbers: [80, 40, 60] Generated Node #0,2: 62:[80, 40, 60] Operation: 84-24=60 Exploring Operation: 84-80=4, Resulting Numbers: [40, 24, 4] Generated Node #0,3: 62:[40, 24, 4] Operation: 84-80=4 Exploring Operation: 80-24=56, Resulting Numbers: [84, 40, 56] Generated Node #0,4: 62:[84, 40, 56] Operation: 80-24=56 Start Sub Search at level 1: Moving to Node #0,3 Current State: 62:[40, 24, 4], Operations: ['84-80=4'] Exploring Operation: 24+4=28, Resulting Numbers: [40, 28] Generated Node #0,3,0: 62:[40, 28] Operation: 24+4=28 Exploring Operation: 40+24=64, Resulting Numbers: [4, 64] Generated Node #0,3,1: 62:[4, 64] Operation: 40+24=64 Exploring Operation: 24/4=6, Resulting Numbers: [40, 6] Generated Node #0,3,2: 62:[40, 6] Operation: 24/4=6 Exploring Operation: 40-4=36, Resulting Numbers: [24, 36] Generated Node #0,3,3: 62:[24, 36] Operation: 40-4=36 Exploring Operation: 40/4=10, Resulting Numbers: [24, 10] Generated Node #0,3,4: 62:[24, 10] Operation: 40/4=10 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 62:[4, 64], Operations: ['84-80=4', '40+24=64'] Exploring Operation: 4*64=256, Resulting Numbers: [256] 256,62 unequal: No Solution Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,62 unequal: No Solution Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,62 unequal: No Solution Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 62:[40, 28], Operations: ['84-80=4', '24+4=28'] Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 40*28=1120, Resulting Numbers: [1120] 1120,62 unequal: No Solution Exploring Operation: 40+28=68, Resulting Numbers: [68] 68,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 62:[24, 36], Operations: ['84-80=4', '40-4=36'] Exploring Operation: 24*36=864, Resulting Numbers: [864] 864,62 unequal: No Solution Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,62 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 62:[40, 6], Operations: ['84-80=4', '24/4=6'] Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,62 unequal: No Solution Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,62 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 62:[24, 10], Operations: ['84-80=4', '40/4=10'] Exploring Operation: 24*10=240, Resulting Numbers: [240] 240,62 unequal: No Solution Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[84, 24, 2], Operations: ['80/40=2'] Exploring Operation: 84+2=86, Resulting Numbers: [24, 86] Generated Node #0,1,0: 62:[24, 86] Operation: 84+2=86 Exploring Operation: 84-24=60, Resulting Numbers: [2, 60] Generated Node #0,1,1: 62:[2, 60] Operation: 84-24=60 Exploring Operation: 24+2=26, Resulting Numbers: [84, 26] Generated Node #0,1,2: 62:[84, 26] Operation: 24+2=26 Exploring Operation: 84-2=82, Resulting Numbers: [24, 82] Generated Node #0,1,3: 62:[24, 82] Operation: 84-2=82 Exploring Operation: 84/2=42, Resulting Numbers: [24, 42] Generated Node #0,1,4: 62:[24, 42] Operation: 84/2=42 Moving to Node #0,1,1 Current State: 62:[2, 60], Operations: ['80/40=2', '84-24=60'] Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[80, 84, 40, 24], Operations: [] Exploring Operation: 80/40=2, Resulting Numbers: [84, 24, 2] Generated Node #0,1: 62:[84, 24, 2] Operation: 80/40=2 Moving to Node #0,1 Current State: 62:[84, 24, 2], Operations: ['80/40=2'] Exploring Operation: 84-24=60, Resulting Numbers: [2, 60] Generated Node #0,1,1: 62:[2, 60] Operation: 84-24=60 Moving to Node #0,1,1 Current State: 62:[2, 60], Operations: ['80/40=2', '84-24=60'] Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 34, 60, 64, 90 ]
45
[ "64-34=30", "60/30=2", "90/2=45" ]
Current State: 45:[34, 60, 64, 90], Operations: [] Exploring Operation: 64-34=30, Resulting Numbers: [60, 90, 30] Generated Node #2: [60, 90, 30] from Operation: 64-34=30 Current State: 45:[60, 90, 30], Operations: ['64-34=30'] Exploring Operation: 60/30=2, Resulting Numbers: [90, 2] Generated Node #3: [90, 2] from Operation: 60/30=2 Current State: 45:[90, 2], Operations: ['64-34=30', '60/30=2'] Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[34, 60, 64, 90], Operations: [] Exploring Operation: 90-34=56, Resulting Numbers: [60, 64, 56] Generated Node #0,0: 45:[60, 64, 56] Operation: 90-34=56 Exploring Operation: 90-60=30, Resulting Numbers: [34, 64, 30] Generated Node #0,1: 45:[34, 64, 30] Operation: 90-60=30 Exploring Operation: 90-64=26, Resulting Numbers: [34, 60, 26] Generated Node #0,2: 45:[34, 60, 26] Operation: 90-64=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[34, 60, 26], Operations: ['90-64=26'] Exploring Operation: 34-26=8, Resulting Numbers: [60, 8] Generated Node #0,2,0: 45:[60, 8] Operation: 34-26=8 Exploring Operation: 60-34=26, Resulting Numbers: [26, 26] Generated Node #0,2,1: 45:[26, 26] Operation: 60-34=26 Exploring Operation: 60-26=34, Resulting Numbers: [34, 34] Generated Node #0,2,2: 45:[34, 34] Operation: 60-26=34 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 45:[60, 8], Operations: ['90-64=26', '34-26=8'] Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,45 unequal: No Solution Exploring Operation: 60*8=480, Resulting Numbers: [480] 480,45 unequal: No Solution Exploring Operation: 60+8=68, Resulting Numbers: [68] 68,45 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 #0,2,1 Current State: 45:[26, 26], Operations: ['90-64=26', '60-34=26'] Exploring Operation: 26-26=0, Resulting Numbers: [0] 0,45 unequal: No Solution Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,45 unequal: No Solution Exploring Operation: 26/26=1, Resulting Numbers: [1] 1,45 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:[34, 34], Operations: ['90-64=26', '60-26=34'] Exploring Operation: 34+34=68, Resulting Numbers: [68] 68,45 unequal: No Solution Exploring Operation: 34-34=0, Resulting Numbers: [0] 0,45 unequal: No Solution Exploring Operation: 34/34=1, Resulting Numbers: [1] 1,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[60, 64, 56], Operations: ['90-34=56'] Exploring Operation: 60-56=4, Resulting Numbers: [64, 4] Generated Node #0,0,0: 45:[64, 4] Operation: 60-56=4 Exploring Operation: 64-56=8, Resulting Numbers: [60, 8] Generated Node #0,0,1: 45:[60, 8] Operation: 64-56=8 Exploring Operation: 64-60=4, Resulting Numbers: [56, 4] Generated Node #0,0,2: 45:[56, 4] Operation: 64-60=4 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 45:[56, 4], Operations: ['90-34=56', '64-60=4'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,45 unequal: No Solution Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,45 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[60, 8], Operations: ['90-34=56', '64-56=8'] Exploring Operation: 60*8=480, Resulting Numbers: [480] 480,45 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,45 unequal: No Solution Exploring Operation: 60+8=68, Resulting Numbers: [68] 68,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[64, 4], Operations: ['90-34=56', '60-56=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,45 unequal: No Solution Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,45 unequal: No Solution Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[34, 64, 30], Operations: ['90-60=30'] Exploring Operation: 64-30=34, Resulting Numbers: [34, 34] Generated Node #0,1,0: 45:[34, 34] Operation: 64-30=34 Exploring Operation: 34-30=4, Resulting Numbers: [64, 4] Generated Node #0,1,1: 45:[64, 4] Operation: 34-30=4 Exploring Operation: 64-34=30, Resulting Numbers: [30, 30] Generated Node #0,1,2: 45:[30, 30] Operation: 64-34=30 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[64, 4], Operations: ['90-60=30', '34-30=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,45 unequal: No Solution Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,45 unequal: No Solution Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[34, 34], Operations: ['90-60=30', '64-30=34'] Exploring Operation: 34-34=0, Resulting Numbers: [0] 0,45 unequal: No Solution Exploring Operation: 34/34=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 34+34=68, Resulting Numbers: [68] 68,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[30, 30], Operations: ['90-60=30', '64-34=30'] Exploring Operation: 30+30=60, Resulting Numbers: [60] 60,45 unequal: No Solution Exploring Operation: 30/30=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 30-30=0, Resulting Numbers: [0] 0,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 29, 6, 26, 39 ]
57
[ "29-26=3", "6*3=18", "39+18=57" ]
Current State: 57:[29, 6, 26, 39], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [6, 39, 3] Generated Node #2: [6, 39, 3] from Operation: 29-26=3 Current State: 57:[6, 39, 3], Operations: ['29-26=3'] Exploring Operation: 6*3=18, Resulting Numbers: [39, 18] Generated Node #3: [39, 18] from Operation: 6*3=18 Current State: 57:[39, 18], Operations: ['29-26=3', '6*3=18'] Exploring Operation: 39+18=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[29, 6, 26, 39], Operations: [] Exploring Operation: 39-26=13, Resulting Numbers: [29, 6, 13] Generated Node #0,0: 57:[29, 6, 13] Operation: 39-26=13 Exploring Operation: 39-29=10, Resulting Numbers: [6, 26, 10] Generated Node #0,1: 57:[6, 26, 10] Operation: 39-29=10 Moving to Node #0,1 Current State: 57:[6, 26, 10], Operations: ['39-29=10'] Exploring Operation: 26-6=20, Resulting Numbers: [10, 20] Generated Node #0,1,0: 57:[10, 20] Operation: 26-6=20 Exploring Operation: 26-10=16, Resulting Numbers: [6, 16] Generated Node #0,1,1: 57:[6, 16] Operation: 26-10=16 Moving to Node #0,0 Current State: 57:[29, 6, 13], Operations: ['39-26=13'] Exploring Operation: 29-13=16, Resulting Numbers: [6, 16] Generated Node #0,0,0: 57:[6, 16] Operation: 29-13=16 Exploring Operation: 29-6=23, Resulting Numbers: [13, 23] Generated Node #0,0,1: 57:[13, 23] Operation: 29-6=23 Moving to Node #0,1,1 Current State: 57:[6, 16], Operations: ['39-29=10', '26-10=16'] Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[6, 16], Operations: ['39-26=13', '29-13=16'] Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[10, 20], Operations: ['39-29=10', '26-6=20'] Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[13, 23], Operations: ['39-26=13', '29-6=23'] Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,57 unequal: No Solution Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,57 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 29, 63, 61, 26 ]
82
[ "29-26=3", "63/3=21", "61+21=82" ]
Current State: 82:[29, 63, 61, 26], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [63, 61, 3] Generated Node #2: [63, 61, 3] from Operation: 29-26=3 Current State: 82:[63, 61, 3], Operations: ['29-26=3'] Exploring Operation: 63/3=21, Resulting Numbers: [61, 21] Generated Node #3: [61, 21] from Operation: 63/3=21 Current State: 82:[61, 21], Operations: ['29-26=3', '63/3=21'] Exploring Operation: 61+21=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[29, 63, 61, 26], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [29, 26, 2] Generated Node #0,0: 82:[29, 26, 2] Operation: 63-61=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[29, 26, 2], Operations: ['63-61=2'] Exploring Operation: 29-26=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 82:[2, 3] Operation: 29-26=3 Moving to Node #0,0,0 Current State: 82:[2, 3], Operations: ['63-61=2', '29-26=3'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,82 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
[ 33, 59, 17, 53 ]
56
[ "33+59=92", "53-17=36", "92-36=56" ]
Current State: 56:[33, 59, 17, 53], Operations: [] Exploring Operation: 33+59=92, Resulting Numbers: [17, 53, 92] Generated Node #2: [17, 53, 92] from Operation: 33+59=92 Current State: 56:[17, 53, 92], Operations: ['33+59=92'] Exploring Operation: 53-17=36, Resulting Numbers: [92, 36] Generated Node #3: [92, 36] from Operation: 53-17=36 Current State: 56:[92, 36], Operations: ['33+59=92', '53-17=36'] Exploring Operation: 92-36=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[33, 59, 17, 53], Operations: [] Exploring Operation: 53-33=20, Resulting Numbers: [59, 17, 20] Generated Node #0,0: 56:[59, 17, 20] Operation: 53-33=20 Exploring Operation: 59-33=26, Resulting Numbers: [17, 53, 26] Generated Node #0,1: 56:[17, 53, 26] Operation: 59-33=26 Exploring Operation: 59-53=6, Resulting Numbers: [33, 17, 6] Generated Node #0,2: 56:[33, 17, 6] Operation: 59-53=6 Exploring Operation: 33-17=16, Resulting Numbers: [59, 53, 16] Generated Node #0,3: 56:[59, 53, 16] Operation: 33-17=16 Exploring Operation: 33+17=50, Resulting Numbers: [59, 53, 50] Generated Node #0,4: 56:[59, 53, 50] Operation: 33+17=50 Moving to Node #0,1 Current State: 56:[17, 53, 26], Operations: ['59-33=26'] Exploring Operation: 17+26=43, Resulting Numbers: [53, 43] Generated Node #0,1,0: 56:[53, 43] Operation: 17+26=43 Exploring Operation: 53-17=36, Resulting Numbers: [26, 36] Generated Node #0,1,1: 56:[26, 36] Operation: 53-17=36 Exploring Operation: 17+53=70, Resulting Numbers: [26, 70] Generated Node #0,1,2: 56:[26, 70] Operation: 17+53=70 Exploring Operation: 53-26=27, Resulting Numbers: [17, 27] Generated Node #0,1,3: 56:[17, 27] Operation: 53-26=27 Exploring Operation: 26-17=9, Resulting Numbers: [53, 9] Generated Node #0,1,4: 56:[53, 9] Operation: 26-17=9 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 56:[17, 27], Operations: ['59-33=26', '53-26=27'] Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,56 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 56:[53, 9], Operations: ['59-33=26', '26-17=9'] Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,56 unequal: No Solution Exploring Operation: 53*9=477, Resulting Numbers: [477] 477,56 unequal: No Solution Exploring Operation: 53+9=62, Resulting Numbers: [62] 62,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[26, 36], Operations: ['59-33=26', '53-17=36'] Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,56 unequal: No Solution Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,56 unequal: No Solution Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[53, 43], Operations: ['59-33=26', '17+26=43'] Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,56 unequal: No Solution Exploring Operation: 53*43=2279, Resulting Numbers: [2279] 2279,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 56:[26, 70], Operations: ['59-33=26', '17+53=70'] Exploring Operation: 26+70=96, Resulting Numbers: [96] 96,56 unequal: No Solution Exploring Operation: 26*70=1820, Resulting Numbers: [1820] 1820,56 unequal: No Solution Exploring Operation: 70-26=44, Resulting Numbers: [44] 44,56 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:[59, 53, 16], Operations: ['33-17=16'] Exploring Operation: 53+16=69, Resulting Numbers: [59, 69] Generated Node #0,3,0: 56:[59, 69] Operation: 53+16=69 Exploring Operation: 59-16=43, Resulting Numbers: [53, 43] Generated Node #0,3,1: 56:[53, 43] Operation: 59-16=43 Exploring Operation: 59-53=6, Resulting Numbers: [16, 6] Generated Node #0,3,2: 56:[16, 6] Operation: 59-53=6 Exploring Operation: 53-16=37, Resulting Numbers: [59, 37] Generated Node #0,3,3: 56:[59, 37] Operation: 53-16=37 Exploring Operation: 59+16=75, Resulting Numbers: [53, 75] Generated Node #0,3,4: 56:[53, 75] Operation: 59+16=75 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 56:[16, 6], Operations: ['33-17=16', '59-53=6'] Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,56 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 #0,3,3 Current State: 56:[59, 37], Operations: ['33-17=16', '53-16=37'] Exploring Operation: 59-37=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 59+37=96, Resulting Numbers: [96] 96,56 unequal: No Solution Exploring Operation: 59*37=2183, Resulting Numbers: [2183] 2183,56 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 #0,3,0 Current State: 56:[59, 69], Operations: ['33-17=16', '53+16=69'] Exploring Operation: 59*69=4071, Resulting Numbers: [4071] 4071,56 unequal: No Solution Exploring Operation: 59+69=128, Resulting Numbers: [128] 128,56 unequal: No Solution Exploring Operation: 69-59=10, Resulting Numbers: [10] 10,56 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 #0,3,1 Current State: 56:[53, 43], Operations: ['33-17=16', '59-16=43'] Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,56 unequal: No Solution Exploring Operation: 53*43=2279, Resulting Numbers: [2279] 2279,56 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 #0,3,4 Current State: 56:[53, 75], Operations: ['33-17=16', '59+16=75'] Exploring Operation: 53+75=128, Resulting Numbers: [128] 128,56 unequal: No Solution Exploring Operation: 53*75=3975, Resulting Numbers: [3975] 3975,56 unequal: No Solution Exploring Operation: 75-53=22, Resulting Numbers: [22] 22,56 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: 56:[33, 17, 6], Operations: ['59-53=6'] Exploring Operation: 33-17=16, Resulting Numbers: [6, 16] Generated Node #0,2,0: 56:[6, 16] Operation: 33-17=16 Exploring Operation: 33+17=50, Resulting Numbers: [6, 50] Generated Node #0,2,1: 56:[6, 50] Operation: 33+17=50 Exploring Operation: 33-6=27, Resulting Numbers: [17, 27] Generated Node #0,2,2: 56:[17, 27] Operation: 33-6=27 Exploring Operation: 17-6=11, Resulting Numbers: [33, 11] Generated Node #0,2,3: 56:[33, 11] Operation: 17-6=11 Exploring Operation: 17+6=23, Resulting Numbers: [33, 23] Generated Node #0,2,4: 56:[33, 23] Operation: 17+6=23 Moving to Node #0,0 Current State: 56:[59, 17, 20], Operations: ['53-33=20'] Exploring Operation: 59-20=39, Resulting Numbers: [17, 39] Generated Node #0,0,0: 56:[17, 39] Operation: 59-20=39 Exploring Operation: 17+20=37, Resulting Numbers: [59, 37] Generated Node #0,0,1: 56:[59, 37] Operation: 17+20=37 Exploring Operation: 59-17=42, Resulting Numbers: [20, 42] Generated Node #0,0,2: 56:[20, 42] Operation: 59-17=42 Exploring Operation: 59+17=76, Resulting Numbers: [20, 76] Generated Node #0,0,3: 56:[20, 76] Operation: 59+17=76 Exploring Operation: 20-17=3, Resulting Numbers: [59, 3] Generated Node #0,0,4: 56:[59, 3] Operation: 20-17=3 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 56:[59, 3], Operations: ['53-33=20', '20-17=3'] Exploring Operation: 59+3=62, Resulting Numbers: [62] 62,56 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[33, 59, 17, 53], Operations: [] Exploring Operation: 53-33=20, Resulting Numbers: [59, 17, 20] Generated Node #0,0: 56:[59, 17, 20] Operation: 53-33=20 Moving to Node #0,0 Current State: 56:[59, 17, 20], Operations: ['53-33=20'] Exploring Operation: 20-17=3, Resulting Numbers: [59, 3] Generated Node #0,0,4: 56:[59, 3] Operation: 20-17=3 Moving to Node #0,0,4 Current State: 56:[59, 3], Operations: ['53-33=20', '20-17=3'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.947049
hs_5
mult_heuristic
[ 30, 14, 90, 2 ]
89
[ "30+14=44", "90/2=45", "44+45=89" ]
Current State: 89:[30, 14, 90, 2], Operations: [] Exploring Operation: 30+14=44, Resulting Numbers: [90, 2, 44] Generated Node #2: [90, 2, 44] from Operation: 30+14=44 Current State: 89:[90, 2, 44], Operations: ['30+14=44'] Exploring Operation: 90/2=45, Resulting Numbers: [44, 45] Generated Node #3: [44, 45] from Operation: 90/2=45 Current State: 89:[44, 45], Operations: ['30+14=44', '90/2=45'] Exploring Operation: 44+45=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[30, 14, 90, 2], Operations: [] Exploring Operation: 14*2=28, Resulting Numbers: [30, 90, 28] Generated Node #0,0: 89:[30, 90, 28] Operation: 14*2=28 Exploring Operation: 30*2=60, Resulting Numbers: [14, 90, 60] Generated Node #0,1: 89:[14, 90, 60] Operation: 30*2=60 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[14, 90, 60], Operations: ['30*2=60'] Exploring Operation: 14+60=74, Resulting Numbers: [90, 74] Generated Node #0,1,0: 89:[90, 74] Operation: 14+60=74 Exploring Operation: 90-14=76, Resulting Numbers: [60, 76] Generated Node #0,1,1: 89:[60, 76] Operation: 90-14=76 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 89:[90, 74], Operations: ['30*2=60', '14+60=74'] Exploring Operation: 90+74=164, Resulting Numbers: [164] 164,89 unequal: No Solution Exploring Operation: 90-74=16, Resulting Numbers: [16] 16,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[60, 76], Operations: ['30*2=60', '90-14=76'] Exploring Operation: 76-60=16, Resulting Numbers: [16] 16,89 unequal: No Solution Exploring Operation: 60+76=136, Resulting Numbers: [136] 136,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[30, 90, 28], Operations: ['14*2=28'] Exploring Operation: 90-28=62, Resulting Numbers: [30, 62] Generated Node #0,0,0: 89:[30, 62] Operation: 90-28=62 Exploring Operation: 30+28=58, Resulting Numbers: [90, 58] Generated Node #0,0,1: 89:[90, 58] Operation: 30+28=58 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[90, 58], Operations: ['14*2=28', '30+28=58'] Exploring Operation: 90+58=148, Resulting Numbers: [148] 148,89 unequal: No Solution Exploring Operation: 90-58=32, Resulting Numbers: [32] 32,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[30, 62], Operations: ['14*2=28', '90-28=62'] Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,89 unequal: No Solution Exploring Operation: 30+62=92, Resulting Numbers: [92] 92,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 82, 87, 15, 22 ]
97
[ "87-82=5", "15*5=75", "22+75=97" ]
Current State: 97:[82, 87, 15, 22], Operations: [] Exploring Operation: 87-82=5, Resulting Numbers: [15, 22, 5] Generated Node #2: [15, 22, 5] from Operation: 87-82=5 Current State: 97:[15, 22, 5], Operations: ['87-82=5'] Exploring Operation: 15*5=75, Resulting Numbers: [22, 75] Generated Node #3: [22, 75] from Operation: 15*5=75 Current State: 97:[22, 75], Operations: ['87-82=5', '15*5=75'] Exploring Operation: 22+75=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[82, 87, 15, 22], Operations: [] Exploring Operation: 82+15=97, Resulting Numbers: [87, 22, 97] Generated Node #0,0: 97:[87, 22, 97] Operation: 82+15=97 Exploring Operation: 15+22=37, Resulting Numbers: [82, 87, 37] Generated Node #0,1: 97:[82, 87, 37] Operation: 15+22=37 Moving to Node #0,0 Current State: 97:[87, 22, 97], Operations: ['82+15=97'] Exploring Operation: 87+22=109, Resulting Numbers: [97, 109] Generated Node #0,0,0: 97:[97, 109] Operation: 87+22=109 Exploring Operation: 87-22=65, Resulting Numbers: [97, 65] Generated Node #0,0,1: 97:[97, 65] Operation: 87-22=65 Moving to Node #0,1 Current State: 97:[82, 87, 37], Operations: ['15+22=37'] Exploring Operation: 87+37=124, Resulting Numbers: [82, 124] Generated Node #0,1,0: 97:[82, 124] Operation: 87+37=124 Exploring Operation: 82+37=119, Resulting Numbers: [87, 119] Generated Node #0,1,1: 97:[87, 119] Operation: 82+37=119 Moving to Node #0,0,0 Current State: 97:[97, 109], Operations: ['82+15=97', '87+22=109'] Exploring Operation: 109-97=12, Resulting Numbers: [12] 12,97 unequal: No Solution Exploring Operation: 97+109=206, Resulting Numbers: [206] 206,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[87, 119], Operations: ['15+22=37', '82+37=119'] Exploring Operation: 119-87=32, Resulting Numbers: [32] 32,97 unequal: No Solution Exploring Operation: 87+119=206, Resulting Numbers: [206] 206,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[97, 65], Operations: ['82+15=97', '87-22=65'] Exploring Operation: 97+65=162, Resulting Numbers: [162] 162,97 unequal: No Solution Exploring Operation: 97-65=32, Resulting Numbers: [32] 32,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[82, 124], Operations: ['15+22=37', '87+37=124'] Exploring Operation: 82+124=206, Resulting Numbers: [206] 206,97 unequal: No Solution Exploring Operation: 124-82=42, Resulting Numbers: [42] 42,97 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 88, 80, 68, 84 ]
16
[ "88+80=168", "68+84=152", "168-152=16" ]
Current State: 16:[88, 80, 68, 84], Operations: [] Exploring Operation: 88+80=168, Resulting Numbers: [68, 84, 168] Generated Node #2: [68, 84, 168] from Operation: 88+80=168 Current State: 16:[68, 84, 168], Operations: ['88+80=168'] Exploring Operation: 68+84=152, Resulting Numbers: [168, 152] Generated Node #3: [168, 152] from Operation: 68+84=152 Current State: 16:[168, 152], Operations: ['88+80=168', '68+84=152'] Exploring Operation: 168-152=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[88, 80, 68, 84], Operations: [] Exploring Operation: 88-84=4, Resulting Numbers: [80, 68, 4] Generated Node #0,0: 16:[80, 68, 4] Operation: 88-84=4 Moving to Node #0,0 Current State: 16:[80, 68, 4], Operations: ['88-84=4'] Exploring Operation: 80-68=12, Resulting Numbers: [4, 12] Generated Node #0,0,0: 16:[4, 12] Operation: 80-68=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[4, 12], Operations: ['88-84=4', '80-68=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[88, 80, 68, 84], Operations: [] Exploring Operation: 88-84=4, Resulting Numbers: [80, 68, 4] Generated Node #0,0: 16:[80, 68, 4] Operation: 88-84=4 Moving to Node #0,0 Current State: 16:[80, 68, 4], Operations: ['88-84=4'] Exploring Operation: 80-68=12, Resulting Numbers: [4, 12] Generated Node #0,0,0: 16:[4, 12] Operation: 80-68=12 Moving to Node #0,0,0 Current State: 16:[4, 12], Operations: ['88-84=4', '80-68=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 17, 25, 54, 40 ]
86
[ "25-17=8", "54+40=94", "94-8=86" ]
Current State: 86:[17, 25, 54, 40], Operations: [] Exploring Operation: 25-17=8, Resulting Numbers: [54, 40, 8] Generated Node #2: [54, 40, 8] from Operation: 25-17=8 Current State: 86:[54, 40, 8], Operations: ['25-17=8'] Exploring Operation: 54+40=94, Resulting Numbers: [8, 94] Generated Node #3: [8, 94] from Operation: 54+40=94 Current State: 86:[8, 94], Operations: ['25-17=8', '54+40=94'] Exploring Operation: 94-8=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[17, 25, 54, 40], Operations: [] Exploring Operation: 17+25=42, Resulting Numbers: [54, 40, 42] Generated Node #0,0: 86:[54, 40, 42] Operation: 17+25=42 Exploring Operation: 25+54=79, Resulting Numbers: [17, 40, 79] Generated Node #0,1: 86:[17, 40, 79] Operation: 25+54=79 Exploring Operation: 25-17=8, Resulting Numbers: [54, 40, 8] Generated Node #0,2: 86:[54, 40, 8] Operation: 25-17=8 Moving to Node #0,0 Current State: 86:[54, 40, 42], Operations: ['17+25=42'] Exploring Operation: 42-40=2, Resulting Numbers: [54, 2] Generated Node #0,0,0: 86:[54, 2] Operation: 42-40=2 Exploring Operation: 54+40=94, Resulting Numbers: [42, 94] Generated Node #0,0,1: 86:[42, 94] Operation: 54+40=94 Exploring Operation: 54-40=14, Resulting Numbers: [42, 14] Generated Node #0,0,2: 86:[42, 14] Operation: 54-40=14 Moving to Node #0,2 Current State: 86:[54, 40, 8], Operations: ['25-17=8'] Exploring Operation: 54+40=94, Resulting Numbers: [8, 94] Generated Node #0,2,0: 86:[8, 94] Operation: 54+40=94 Exploring Operation: 40/8=5, Resulting Numbers: [54, 5] Generated Node #0,2,1: 86:[54, 5] Operation: 40/8=5 Exploring Operation: 54-8=46, Resulting Numbers: [40, 46] Generated Node #0,2,2: 86:[40, 46] Operation: 54-8=46 Moving to Node #0,1 Current State: 86:[17, 40, 79], Operations: ['25+54=79'] Exploring Operation: 17+79=96, Resulting Numbers: [40, 96] Generated Node #0,1,0: 86:[40, 96] Operation: 17+79=96 Exploring Operation: 17+40=57, Resulting Numbers: [79, 57] Generated Node #0,1,1: 86:[79, 57] Operation: 17+40=57 Exploring Operation: 79-40=39, Resulting Numbers: [17, 39] Generated Node #0,1,2: 86:[17, 39] Operation: 79-40=39 Moving to Node #0,2,2 Current State: 86:[40, 46], Operations: ['25-17=8', '54-8=46'] Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[17, 25, 54, 40], Operations: [] Exploring Operation: 25-17=8, Resulting Numbers: [54, 40, 8] Generated Node #0,2: 86:[54, 40, 8] Operation: 25-17=8 Moving to Node #0,2 Current State: 86:[54, 40, 8], Operations: ['25-17=8'] Exploring Operation: 54-8=46, Resulting Numbers: [40, 46] Generated Node #0,2,2: 86:[40, 46] Operation: 54-8=46 Moving to Node #0,2,2 Current State: 86:[40, 46], Operations: ['25-17=8', '54-8=46'] Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.984375
hs_3
mult_heuristic
[ 68, 3, 61, 57 ]
61
[ "68-3=65", "61-57=4", "65-4=61" ]
Current State: 61:[68, 3, 61, 57], Operations: [] Exploring Operation: 68-3=65, Resulting Numbers: [61, 57, 65] Generated Node #2: [61, 57, 65] from Operation: 68-3=65 Current State: 61:[61, 57, 65], Operations: ['68-3=65'] Exploring Operation: 61-57=4, Resulting Numbers: [65, 4] Generated Node #3: [65, 4] from Operation: 61-57=4 Current State: 61:[65, 4], Operations: ['68-3=65', '61-57=4'] Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[68, 3, 61, 57], Operations: [] Exploring Operation: 68-3=65, Resulting Numbers: [61, 57, 65] Generated Node #0,0: 61:[61, 57, 65] Operation: 68-3=65 Exploring Operation: 68+3=71, Resulting Numbers: [61, 57, 71] Generated Node #0,1: 61:[61, 57, 71] Operation: 68+3=71 Exploring Operation: 3+57=60, Resulting Numbers: [68, 61, 60] Generated Node #0,2: 61:[68, 61, 60] Operation: 3+57=60 Exploring Operation: 3+61=64, Resulting Numbers: [68, 57, 64] Generated Node #0,3: 61:[68, 57, 64] Operation: 3+61=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[61, 57, 65], Operations: ['68-3=65'] Exploring Operation: 61-57=4, Resulting Numbers: [65, 4] Generated Node #0,0,0: 61:[65, 4] Operation: 61-57=4 Exploring Operation: 65-57=8, Resulting Numbers: [61, 8] Generated Node #0,0,1: 61:[61, 8] Operation: 65-57=8 Exploring Operation: 65-61=4, Resulting Numbers: [57, 4] Generated Node #0,0,2: 61:[57, 4] Operation: 65-61=4 Exploring Operation: 61+57=118, Resulting Numbers: [65, 118] Generated Node #0,0,3: 61:[65, 118] Operation: 61+57=118 Moving to Node #0,0,1 Current State: 61:[61, 8], Operations: ['68-3=65', '65-57=8'] Exploring Operation: 61-8=53, Resulting Numbers: [53] 53,61 unequal: No Solution Exploring Operation: 61*8=488, Resulting Numbers: [488] 488,61 unequal: No Solution Exploring Operation: 61+8=69, Resulting Numbers: [69] 69,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[57, 4], Operations: ['68-3=65', '65-61=4'] Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,61 unequal: No Solution Exploring Operation: 57+4=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[68, 3, 61, 57], Operations: [] Exploring Operation: 68-3=65, Resulting Numbers: [61, 57, 65] Generated Node #0,0: 61:[61, 57, 65] Operation: 68-3=65 Moving to Node #0,0 Current State: 61:[61, 57, 65], Operations: ['68-3=65'] Exploring Operation: 65-61=4, Resulting Numbers: [57, 4] Generated Node #0,0,2: 61:[57, 4] Operation: 65-61=4 Moving to Node #0,0,2 Current State: 61:[57, 4], Operations: ['68-3=65', '65-61=4'] Exploring Operation: 57+4=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 86, 69, 54, 16 ]
53
[ "86-69=17", "54+16=70", "70-17=53" ]
Current State: 53:[86, 69, 54, 16], Operations: [] Exploring Operation: 86-69=17, Resulting Numbers: [54, 16, 17] Generated Node #2: [54, 16, 17] from Operation: 86-69=17 Current State: 53:[54, 16, 17], Operations: ['86-69=17'] Exploring Operation: 54+16=70, Resulting Numbers: [17, 70] Generated Node #3: [17, 70] from Operation: 54+16=70 Current State: 53:[17, 70], Operations: ['86-69=17', '54+16=70'] Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[86, 69, 54, 16], Operations: [] Exploring Operation: 69-16=53, Resulting Numbers: [86, 54, 53] Generated Node #0,0: 53:[86, 54, 53] Operation: 69-16=53 Exploring Operation: 86-16=70, Resulting Numbers: [69, 54, 70] Generated Node #0,1: 53:[69, 54, 70] Operation: 86-16=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[86, 54, 53], Operations: ['69-16=53'] Exploring Operation: 86-54=32, Resulting Numbers: [53, 32] Generated Node #0,0,0: 53:[53, 32] Operation: 86-54=32 Exploring Operation: 86-53=33, Resulting Numbers: [54, 33] Generated Node #0,0,1: 53:[54, 33] Operation: 86-53=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[53, 32], Operations: ['69-16=53', '86-54=32'] Exploring Operation: 53-32=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 53+32=85, Resulting Numbers: [85] 85,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[54, 33], Operations: ['69-16=53', '86-53=33'] Exploring Operation: 54+33=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[69, 54, 70], Operations: ['86-16=70'] Exploring Operation: 70-54=16, Resulting Numbers: [69, 16] Generated Node #0,1,0: 53:[69, 16] Operation: 70-54=16 Exploring Operation: 70-69=1, Resulting Numbers: [54, 1] Generated Node #0,1,1: 53:[54, 1] Operation: 70-69=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[69, 16], Operations: ['86-16=70', '70-54=16'] Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[86, 69, 54, 16], Operations: [] Exploring Operation: 86-16=70, Resulting Numbers: [69, 54, 70] Generated Node #0,1: 53:[69, 54, 70] Operation: 86-16=70 Moving to Node #0,1 Current State: 53:[69, 54, 70], Operations: ['86-16=70'] Exploring Operation: 70-54=16, Resulting Numbers: [69, 16] Generated Node #0,1,0: 53:[69, 16] Operation: 70-54=16 Moving to Node #0,1,0 Current State: 53:[69, 16], Operations: ['86-16=70', '70-54=16'] Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 12, 25, 67, 7 ]
87
[ "25-12=13", "67+7=74", "13+74=87" ]
Current State: 87:[12, 25, 67, 7], Operations: [] Exploring Operation: 25-12=13, Resulting Numbers: [67, 7, 13] Generated Node #2: [67, 7, 13] from Operation: 25-12=13 Current State: 87:[67, 7, 13], Operations: ['25-12=13'] Exploring Operation: 67+7=74, Resulting Numbers: [13, 74] Generated Node #3: [13, 74] from Operation: 67+7=74 Current State: 87:[13, 74], Operations: ['25-12=13', '67+7=74'] Exploring Operation: 13+74=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[12, 25, 67, 7], Operations: [] Exploring Operation: 12+67=79, Resulting Numbers: [25, 7, 79] Generated Node #0,0: 87:[25, 7, 79] Operation: 12+67=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[25, 7, 79], Operations: ['12+67=79'] Exploring Operation: 7+79=86, Resulting Numbers: [25, 86] Generated Node #0,0,0: 87:[25, 86] Operation: 7+79=86 Moving to Node #0,0,0 Current State: 87:[25, 86], Operations: ['12+67=79', '7+79=86'] Exploring Operation: 25+86=111, Resulting Numbers: [111] 111,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 13, 97, 42, 49 ]
98
[ "97-13=84", "84/42=2", "49*2=98" ]
Current State: 98:[13, 97, 42, 49], Operations: [] Exploring Operation: 97-13=84, Resulting Numbers: [42, 49, 84] Generated Node #2: [42, 49, 84] from Operation: 97-13=84 Current State: 98:[42, 49, 84], Operations: ['97-13=84'] Exploring Operation: 84/42=2, Resulting Numbers: [49, 2] Generated Node #3: [49, 2] from Operation: 84/42=2 Current State: 98:[49, 2], Operations: ['97-13=84', '84/42=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[13, 97, 42, 49], Operations: [] Exploring Operation: 97-42=55, Resulting Numbers: [13, 49, 55] Generated Node #0,0: 98:[13, 49, 55] Operation: 97-42=55 Exploring Operation: 49-42=7, Resulting Numbers: [13, 97, 7] Generated Node #0,1: 98:[13, 97, 7] Operation: 49-42=7 Exploring Operation: 13+42=55, Resulting Numbers: [97, 49, 55] Generated Node #0,2: 98:[97, 49, 55] Operation: 13+42=55 Exploring Operation: 97-49=48, Resulting Numbers: [13, 42, 48] Generated Node #0,3: 98:[13, 42, 48] Operation: 97-49=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[13, 97, 7], Operations: ['49-42=7'] Exploring Operation: 13+7=20, Resulting Numbers: [97, 20] Generated Node #0,1,0: 98:[97, 20] Operation: 13+7=20 Exploring Operation: 13-7=6, Resulting Numbers: [97, 6] Generated Node #0,1,1: 98:[97, 6] Operation: 13-7=6 Exploring Operation: 97+7=104, Resulting Numbers: [13, 104] Generated Node #0,1,2: 98:[13, 104] Operation: 97+7=104 Exploring Operation: 13*7=91, Resulting Numbers: [97, 91] Generated Node #0,1,3: 98:[97, 91] Operation: 13*7=91 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[97, 6], Operations: ['49-42=7', '13-7=6'] Exploring Operation: 97*6=582, Resulting Numbers: [582] 582,98 unequal: No Solution Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 97+6=103, Resulting Numbers: [103] 103,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[97, 20], Operations: ['49-42=7', '13+7=20'] Exploring Operation: 97+20=117, Resulting Numbers: [117] 117,98 unequal: No Solution Exploring Operation: 97*20=1940, Resulting Numbers: [1940] 1940,98 unequal: No Solution Exploring Operation: 97-20=77, Resulting Numbers: [77] 77,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[13, 104], Operations: ['49-42=7', '97+7=104'] Exploring Operation: 104/13=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 104-13=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 13*104=1352, Resulting Numbers: [1352] 1352,98 unequal: No Solution Exploring Operation: 13+104=117, Resulting Numbers: [117] 117,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 98:[97, 91], Operations: ['49-42=7', '13*7=91'] Exploring Operation: 97-91=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 97*91=8827, Resulting Numbers: [8827] 8827,98 unequal: No Solution Exploring Operation: 97+91=188, Resulting Numbers: [188] 188,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[13, 49, 55], Operations: ['97-42=55'] Exploring Operation: 55-13=42, Resulting Numbers: [49, 42] Generated Node #0,0,0: 98:[49, 42] Operation: 55-13=42 Exploring Operation: 49+55=104, Resulting Numbers: [13, 104] Generated Node #0,0,1: 98:[13, 104] Operation: 49+55=104 Exploring Operation: 55-49=6, Resulting Numbers: [13, 6] Generated Node #0,0,2: 98:[13, 6] Operation: 55-49=6 Exploring Operation: 13+49=62, Resulting Numbers: [55, 62] Generated Node #0,0,3: 98:[55, 62] Operation: 13+49=62 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 98:[13, 6], Operations: ['97-42=55', '55-49=6'] Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[49, 42], Operations: ['97-42=55', '55-13=42'] Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 49+42=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 49*42=2058, Resulting Numbers: [2058] 2058,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[13, 104], Operations: ['97-42=55', '49+55=104'] Exploring Operation: 13+104=117, Resulting Numbers: [117] 117,98 unequal: No Solution Exploring Operation: 104-13=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 104/13=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 13*104=1352, Resulting Numbers: [1352] 1352,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 98:[55, 62], Operations: ['97-42=55', '13+49=62'] Exploring Operation: 55+62=117, Resulting Numbers: [117] 117,98 unequal: No Solution Exploring Operation: 55*62=3410, Resulting Numbers: [3410] 3410,98 unequal: No Solution Exploring Operation: 62-55=7, Resulting Numbers: [7] 7,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[97, 49, 55], Operations: ['13+42=55'] Exploring Operation: 49+55=104, Resulting Numbers: [97, 104] Generated Node #0,2,0: 98:[97, 104] Operation: 49+55=104 Exploring Operation: 97-55=42, Resulting Numbers: [49, 42] Generated Node #0,2,1: 98:[49, 42] Operation: 97-55=42 Exploring Operation: 55-49=6, Resulting Numbers: [97, 6] Generated Node #0,2,2: 98:[97, 6] Operation: 55-49=6 Exploring Operation: 97-49=48, Resulting Numbers: [55, 48] Generated Node #0,2,3: 98:[55, 48] Operation: 97-49=48 Moving to Node #0,2,2 Current State: 98:[97, 6], Operations: ['13+42=55', '55-49=6'] Exploring Operation: 97-6=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 97*6=582, Resulting Numbers: [582] 582,98 unequal: No Solution Exploring Operation: 97+6=103, Resulting Numbers: [103] 103,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[49, 42], Operations: ['13+42=55', '97-55=42'] Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 49+42=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 49*42=2058, Resulting Numbers: [2058] 2058,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[97, 104], Operations: ['13+42=55', '49+55=104'] Exploring Operation: 97*104=10088, Resulting Numbers: [10088] 10088,98 unequal: No Solution Exploring Operation: 97+104=201, Resulting Numbers: [201] 201,98 unequal: No Solution Exploring Operation: 104-97=7, Resulting Numbers: [7] 7,98 unequal: No Solution Moving to Node #0,2,3 Current State: 98:[55, 48], Operations: ['13+42=55', '97-49=48'] Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 55+48=103, Resulting Numbers: [103] 103,98 unequal: No Solution Exploring Operation: 55*48=2640, Resulting Numbers: [2640] 2640,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[13, 42, 48], Operations: ['97-49=48'] Exploring Operation: 48-42=6, Resulting Numbers: [13, 6] Generated Node #0,3,0: 98:[13, 6] Operation: 48-42=6 Exploring Operation: 42+48=90, Resulting Numbers: [13, 90] Generated Node #0,3,1: 98:[13, 90] Operation: 42+48=90 Exploring Operation: 13+42=55, Resulting Numbers: [48, 55] Generated Node #0,3,2: 98:[48, 55] Operation: 13+42=55 Exploring Operation: 42-13=29, Resulting Numbers: [48, 29] Generated Node #0,3,3: 98:[48, 29] Operation: 42-13=29 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 98:[13, 6], Operations: ['97-49=48', '48-42=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,98 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 98:[48, 55], Operations: ['97-49=48', '13+42=55'] Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 48*55=2640, Resulting Numbers: [2640] 2640,98 unequal: No Solution Exploring Operation: 48+55=103, Resulting Numbers: [103] 103,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 98:[13, 90], Operations: ['97-49=48', '42+48=90'] Exploring Operation: 90-13=77, Resulting Numbers: [77] 77,98 unequal: No Solution Exploring Operation: 13*90=1170, Resulting Numbers: [1170] 1170,98 unequal: No Solution Exploring Operation: 13+90=103, Resulting Numbers: [103] 103,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 98:[48, 29], Operations: ['97-49=48', '42-13=29'] Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,98 unequal: No Solution Exploring Operation: 48*29=1392, Resulting Numbers: [1392] 1392,98 unequal: No Solution Exploring Operation: 48+29=77, Resulting Numbers: [77] 77,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 23, 2, 72, 45 ]
48
[ "23-2=21", "72-45=27", "21+27=48" ]
Current State: 48:[23, 2, 72, 45], Operations: [] Exploring Operation: 23-2=21, Resulting Numbers: [72, 45, 21] Generated Node #2: [72, 45, 21] from Operation: 23-2=21 Current State: 48:[72, 45, 21], Operations: ['23-2=21'] Exploring Operation: 72-45=27, Resulting Numbers: [21, 27] Generated Node #3: [21, 27] from Operation: 72-45=27 Current State: 48:[21, 27], Operations: ['23-2=21', '72-45=27'] Exploring Operation: 21+27=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[23, 2, 72, 45], Operations: [] Exploring Operation: 72-45=27, Resulting Numbers: [23, 2, 27] Generated Node #0,0: 48:[23, 2, 27] Operation: 72-45=27 Exploring Operation: 72-23=49, Resulting Numbers: [2, 45, 49] Generated Node #0,1: 48:[2, 45, 49] Operation: 72-23=49 Moving to Node #0,0 Current State: 48:[23, 2, 27], Operations: ['72-45=27'] Exploring Operation: 27-23=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 48:[2, 4] Operation: 27-23=4 Exploring Operation: 23+27=50, Resulting Numbers: [2, 50] Generated Node #0,0,1: 48:[2, 50] Operation: 23+27=50 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[2, 4], Operations: ['72-45=27', '27-23=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[2, 50], Operations: ['72-45=27', '23+27=50'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[23, 2, 72, 45], Operations: [] Exploring Operation: 72-45=27, Resulting Numbers: [23, 2, 27] Generated Node #0,0: 48:[23, 2, 27] Operation: 72-45=27 Moving to Node #0,0 Current State: 48:[23, 2, 27], Operations: ['72-45=27'] Exploring Operation: 23+27=50, Resulting Numbers: [2, 50] Generated Node #0,0,1: 48:[2, 50] Operation: 23+27=50 Moving to Node #0,0,1 Current State: 48:[2, 50], Operations: ['72-45=27', '23+27=50'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 25, 58, 89, 87 ]
91
[ "89-87=2", "58*2=116", "116-25=91" ]
Current State: 91:[25, 58, 89, 87], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [25, 58, 2] Generated Node #2: [25, 58, 2] from Operation: 89-87=2 Current State: 91:[25, 58, 2], Operations: ['89-87=2'] Exploring Operation: 58*2=116, Resulting Numbers: [25, 116] Generated Node #3: [25, 116] from Operation: 58*2=116 Current State: 91:[25, 116], Operations: ['89-87=2', '58*2=116'] Exploring Operation: 116-25=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[25, 58, 89, 87], Operations: [] Exploring Operation: 58-25=33, Resulting Numbers: [89, 87, 33] Generated Node #0,0: 91:[89, 87, 33] Operation: 58-25=33 Exploring Operation: 25+58=83, Resulting Numbers: [89, 87, 83] Generated Node #0,1: 91:[89, 87, 83] Operation: 25+58=83 Exploring Operation: 89-58=31, Resulting Numbers: [25, 87, 31] Generated Node #0,2: 91:[25, 87, 31] Operation: 89-58=31 Exploring Operation: 87-58=29, Resulting Numbers: [25, 89, 29] Generated Node #0,3: 91:[25, 89, 29] Operation: 87-58=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[89, 87, 83], Operations: ['25+58=83'] Exploring Operation: 89-87=2, Resulting Numbers: [83, 2] Generated Node #0,1,0: 91:[83, 2] Operation: 89-87=2 Exploring Operation: 89-83=6, Resulting Numbers: [87, 6] Generated Node #0,1,1: 91:[87, 6] Operation: 89-83=6 Exploring Operation: 87-83=4, Resulting Numbers: [89, 4] Generated Node #0,1,2: 91:[89, 4] Operation: 87-83=4 Exploring Operation: 87+83=170, Resulting Numbers: [89, 170] Generated Node #0,1,3: 91:[89, 170] Operation: 87+83=170 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 91:[87, 6], Operations: ['25+58=83', '89-83=6'] Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 87*6=522, Resulting Numbers: [522] 522,91 unequal: No Solution Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 91:[89, 4], Operations: ['25+58=83', '87-83=4'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,91 unequal: No Solution Exploring Operation: 89*4=356, Resulting Numbers: [356] 356,91 unequal: No Solution Exploring Operation: 89+4=93, Resulting Numbers: [93] 93,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 91:[83, 2], Operations: ['25+58=83', '89-87=2'] Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,91 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,91 unequal: No Solution Exploring Operation: 83*2=166, Resulting Numbers: [166] 166,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 91:[89, 170], Operations: ['25+58=83', '87+83=170'] Exploring Operation: 89+170=259, Resulting Numbers: [259] 259,91 unequal: No Solution Exploring Operation: 170-89=81, Resulting Numbers: [81] 81,91 unequal: No Solution Exploring Operation: 89*170=15130, Resulting Numbers: [15130] 15130,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[89, 87, 33], Operations: ['58-25=33'] Exploring Operation: 89-87=2, Resulting Numbers: [33, 2] Generated Node #0,0,0: 91:[33, 2] Operation: 89-87=2 Exploring Operation: 89-33=56, Resulting Numbers: [87, 56] Generated Node #0,0,1: 91:[87, 56] Operation: 89-33=56 Exploring Operation: 89+33=122, Resulting Numbers: [87, 122] Generated Node #0,0,2: 91:[87, 122] Operation: 89+33=122 Exploring Operation: 87+33=120, Resulting Numbers: [89, 120] Generated Node #0,0,3: 91:[89, 120] Operation: 87+33=120 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[33, 2], Operations: ['58-25=33', '89-87=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,91 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 91:[89, 120], Operations: ['58-25=33', '87+33=120'] Exploring Operation: 120-89=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 89+120=209, Resulting Numbers: [209] 209,91 unequal: No Solution Exploring Operation: 89*120=10680, Resulting Numbers: [10680] 10680,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 91:[87, 122], Operations: ['58-25=33', '89+33=122'] Exploring Operation: 122-87=35, Resulting Numbers: [35] 35,91 unequal: No Solution Exploring Operation: 87+122=209, Resulting Numbers: [209] 209,91 unequal: No Solution Exploring Operation: 87*122=10614, Resulting Numbers: [10614] 10614,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[87, 56], Operations: ['58-25=33', '89-33=56'] Exploring Operation: 87*56=4872, Resulting Numbers: [4872] 4872,91 unequal: No Solution Exploring Operation: 87+56=143, Resulting Numbers: [143] 143,91 unequal: No Solution Exploring Operation: 87-56=31, Resulting Numbers: [31] 31,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 91:[25, 89, 29], Operations: ['87-58=29'] Exploring Operation: 25+29=54, Resulting Numbers: [89, 54] Generated Node #0,3,0: 91:[89, 54] Operation: 25+29=54 Exploring Operation: 25+89=114, Resulting Numbers: [29, 114] Generated Node #0,3,1: 91:[29, 114] Operation: 25+89=114 Exploring Operation: 89+29=118, Resulting Numbers: [25, 118] Generated Node #0,3,2: 91:[25, 118] Operation: 89+29=118 Exploring Operation: 29-25=4, Resulting Numbers: [89, 4] Generated Node #0,3,3: 91:[89, 4] Operation: 29-25=4 Moving to Node #0,3,3 Current State: 91:[89, 4], Operations: ['87-58=29', '29-25=4'] Exploring Operation: 89*4=356, Resulting Numbers: [356] 356,91 unequal: No Solution Exploring Operation: 89+4=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,91 unequal: No Solution Moving to Node #0,3,1 Current State: 91:[29, 114], Operations: ['87-58=29', '25+89=114'] Exploring Operation: 114-29=85, Resulting Numbers: [85] 85,91 unequal: No Solution Exploring Operation: 29+114=143, Resulting Numbers: [143] 143,91 unequal: No Solution Exploring Operation: 29*114=3306, Resulting Numbers: [3306] 3306,91 unequal: No Solution Moving to Node #0,3,0 Current State: 91:[89, 54], Operations: ['87-58=29', '25+29=54'] Exploring Operation: 89*54=4806, Resulting Numbers: [4806] 4806,91 unequal: No Solution Exploring Operation: 89-54=35, Resulting Numbers: [35] 35,91 unequal: No Solution Exploring Operation: 89+54=143, Resulting Numbers: [143] 143,91 unequal: No Solution Moving to Node #0,3,2 Current State: 91:[25, 118], Operations: ['87-58=29', '89+29=118'] Exploring Operation: 25*118=2950, Resulting Numbers: [2950] 2950,91 unequal: No Solution Exploring Operation: 118-25=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 25+118=143, Resulting Numbers: [143] 143,91 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 Current State: 91:[25, 87, 31], Operations: ['89-58=31'] Exploring Operation: 31-25=6, Resulting Numbers: [87, 6] Generated Node #0,2,0: 91:[87, 6] Operation: 31-25=6 Exploring Operation: 87+31=118, Resulting Numbers: [25, 118] Generated Node #0,2,1: 91:[25, 118] Operation: 87+31=118 Exploring Operation: 25+31=56, Resulting Numbers: [87, 56] Generated Node #0,2,2: 91:[87, 56] Operation: 25+31=56 Exploring Operation: 25+87=112, Resulting Numbers: [31, 112] Generated Node #0,2,3: 91:[31, 112] Operation: 25+87=112 Moving to Node #0,2,0 Current State: 91:[87, 6], Operations: ['89-58=31', '31-25=6'] Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,91 unequal: No Solution Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 87*6=522, Resulting Numbers: [522] 522,91 unequal: No Solution Moving to Node #0,2,2 Current State: 91:[87, 56], Operations: ['89-58=31', '25+31=56'] Exploring Operation: 87+56=143, Resulting Numbers: [143] 143,91 unequal: No Solution Exploring Operation: 87-56=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 87*56=4872, Resulting Numbers: [4872] 4872,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[25, 118], Operations: ['89-58=31', '87+31=118'] Exploring Operation: 25+118=143, Resulting Numbers: [143] 143,91 unequal: No Solution Exploring Operation: 118-25=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 25*118=2950, Resulting Numbers: [2950] 2950,91 unequal: No Solution Moving to Node #0,2,3 Current State: 91:[31, 112], Operations: ['89-58=31', '25+87=112'] Exploring Operation: 112-31=81, Resulting Numbers: [81] 81,91 unequal: No Solution Exploring Operation: 31*112=3472, Resulting Numbers: [3472] 3472,91 unequal: No Solution Exploring Operation: 31+112=143, Resulting Numbers: [143] 143,91 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
[ 67, 27, 62, 53 ]
49
[ "67-27=40", "62-53=9", "40+9=49" ]
Current State: 49:[67, 27, 62, 53], Operations: [] Exploring Operation: 67-27=40, Resulting Numbers: [62, 53, 40] Generated Node #2: [62, 53, 40] from Operation: 67-27=40 Current State: 49:[62, 53, 40], Operations: ['67-27=40'] Exploring Operation: 62-53=9, Resulting Numbers: [40, 9] Generated Node #3: [40, 9] from Operation: 62-53=9 Current State: 49:[40, 9], Operations: ['67-27=40', '62-53=9'] Exploring Operation: 40+9=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[67, 27, 62, 53], Operations: [] Exploring Operation: 67-27=40, Resulting Numbers: [62, 53, 40] Generated Node #0,0: 49:[62, 53, 40] Operation: 67-27=40 Exploring Operation: 67-53=14, Resulting Numbers: [27, 62, 14] Generated Node #0,1: 49:[27, 62, 14] Operation: 67-53=14 Exploring Operation: 62-27=35, Resulting Numbers: [67, 53, 35] Generated Node #0,2: 49:[67, 53, 35] Operation: 62-27=35 Exploring Operation: 62-53=9, Resulting Numbers: [67, 27, 9] Generated Node #0,3: 49:[67, 27, 9] Operation: 62-53=9 Exploring Operation: 67-62=5, Resulting Numbers: [27, 53, 5] Generated Node #0,4: 49:[27, 53, 5] Operation: 67-62=5 Moving to Node #0,0 Current State: 49:[62, 53, 40], Operations: ['67-27=40'] Exploring Operation: 53+40=93, Resulting Numbers: [62, 93] Generated Node #0,0,0: 49:[62, 93] Operation: 53+40=93 Exploring Operation: 62-53=9, Resulting Numbers: [40, 9] Generated Node #0,0,1: 49:[40, 9] Operation: 62-53=9 Exploring Operation: 62-40=22, Resulting Numbers: [53, 22] Generated Node #0,0,2: 49:[53, 22] Operation: 62-40=22 Exploring Operation: 62+40=102, Resulting Numbers: [53, 102] Generated Node #0,0,3: 49:[53, 102] Operation: 62+40=102 Exploring Operation: 53-40=13, Resulting Numbers: [62, 13] Generated Node #0,0,4: 49:[62, 13] Operation: 53-40=13 Moving to Node #0,4 Current State: 49:[27, 53, 5], Operations: ['67-62=5'] Exploring Operation: 27+5=32, Resulting Numbers: [53, 32] Generated Node #0,4,0: 49:[53, 32] Operation: 27+5=32 Exploring Operation: 53-27=26, Resulting Numbers: [5, 26] Generated Node #0,4,1: 49:[5, 26] Operation: 53-27=26 Exploring Operation: 53-5=48, Resulting Numbers: [27, 48] Generated Node #0,4,2: 49:[27, 48] Operation: 53-5=48 Exploring Operation: 27-5=22, Resulting Numbers: [53, 22] Generated Node #0,4,3: 49:[53, 22] Operation: 27-5=22 Exploring Operation: 53+5=58, Resulting Numbers: [27, 58] Generated Node #0,4,4: 49:[27, 58] Operation: 53+5=58 Moving to Node #0,2 Current State: 49:[67, 53, 35], Operations: ['62-27=35'] Exploring Operation: 53+35=88, Resulting Numbers: [67, 88] Generated Node #0,2,0: 49:[67, 88] Operation: 53+35=88 Exploring Operation: 53-35=18, Resulting Numbers: [67, 18] Generated Node #0,2,1: 49:[67, 18] Operation: 53-35=18 Exploring Operation: 67-53=14, Resulting Numbers: [35, 14] Generated Node #0,2,2: 49:[35, 14] Operation: 67-53=14 Exploring Operation: 67+35=102, Resulting Numbers: [53, 102] Generated Node #0,2,3: 49:[53, 102] Operation: 67+35=102 Exploring Operation: 67-35=32, Resulting Numbers: [53, 32] Generated Node #0,2,4: 49:[53, 32] Operation: 67-35=32 Moving to Node #0,1 Current State: 49:[27, 62, 14], Operations: ['67-53=14'] Exploring Operation: 62-14=48, Resulting Numbers: [27, 48] Generated Node #0,1,0: 49:[27, 48] Operation: 62-14=48 Exploring Operation: 62-27=35, Resulting Numbers: [14, 35] Generated Node #0,1,1: 49:[14, 35] Operation: 62-27=35 Exploring Operation: 27+62=89, Resulting Numbers: [14, 89] Generated Node #0,1,2: 49:[14, 89] Operation: 27+62=89 Exploring Operation: 27-14=13, Resulting Numbers: [62, 13] Generated Node #0,1,3: 49:[62, 13] Operation: 27-14=13 Exploring Operation: 27+14=41, Resulting Numbers: [62, 41] Generated Node #0,1,4: 49:[62, 41] Operation: 27+14=41 Moving to Node #0,3 Current State: 49:[67, 27, 9], Operations: ['62-53=9'] Exploring Operation: 27+9=36, Resulting Numbers: [67, 36] Generated Node #0,3,0: 49:[67, 36] Operation: 27+9=36 Exploring Operation: 67-9=58, Resulting Numbers: [27, 58] Generated Node #0,3,1: 49:[27, 58] Operation: 67-9=58 Exploring Operation: 27/9=3, Resulting Numbers: [67, 3] Generated Node #0,3,2: 49:[67, 3] Operation: 27/9=3 Exploring Operation: 67-27=40, Resulting Numbers: [9, 40] Generated Node #0,3,3: 49:[9, 40] Operation: 67-27=40 Exploring Operation: 27-9=18, Resulting Numbers: [67, 18] Generated Node #0,3,4: 49:[67, 18] Operation: 27-9=18 Moving to Node #0,0,1 Current State: 49:[40, 9], Operations: ['67-27=40', '62-53=9'] Exploring Operation: 40-9=31, Resulting Numbers: [31] 31,49 unequal: No Solution Exploring Operation: 40+9=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[67, 27, 62, 53], Operations: [] Exploring Operation: 67-27=40, Resulting Numbers: [62, 53, 40] Generated Node #0,0: 49:[62, 53, 40] Operation: 67-27=40 Moving to Node #0,0 Current State: 49:[62, 53, 40], Operations: ['67-27=40'] Exploring Operation: 62-53=9, Resulting Numbers: [40, 9] Generated Node #0,0,1: 49:[40, 9] Operation: 62-53=9 Moving to Node #0,0,1 Current State: 49:[40, 9], Operations: ['67-27=40', '62-53=9'] Exploring Operation: 40+9=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.96875
hs_5
mult_heuristic
[ 14, 30, 68, 25 ]
45
[ "68-14=54", "25*54=1350", "1350/30=45" ]
Current State: 45:[14, 30, 68, 25], Operations: [] Exploring Operation: 68-14=54, Resulting Numbers: [30, 25, 54] Generated Node #2: [30, 25, 54] from Operation: 68-14=54 Current State: 45:[30, 25, 54], Operations: ['68-14=54'] Exploring Operation: 25*54=1350, Resulting Numbers: [30, 1350] Generated Node #3: [30, 1350] from Operation: 25*54=1350 Current State: 45:[30, 1350], Operations: ['68-14=54', '25*54=1350'] Exploring Operation: 1350/30=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[14, 30, 68, 25], Operations: [] Exploring Operation: 14+30=44, Resulting Numbers: [68, 25, 44] Generated Node #0,0: 45:[68, 25, 44] Operation: 14+30=44 Exploring Operation: 30-25=5, Resulting Numbers: [14, 68, 5] Generated Node #0,1: 45:[14, 68, 5] Operation: 30-25=5 Exploring Operation: 68-25=43, Resulting Numbers: [14, 30, 43] Generated Node #0,2: 45:[14, 30, 43] Operation: 68-25=43 Exploring Operation: 68-30=38, Resulting Numbers: [14, 25, 38] Generated Node #0,3: 45:[14, 25, 38] Operation: 68-30=38 Exploring Operation: 30-14=16, Resulting Numbers: [68, 25, 16] Generated Node #0,4: 45:[68, 25, 16] Operation: 30-14=16 Moving to Node #0,2 Current State: 45:[14, 30, 43], Operations: ['68-25=43'] Exploring Operation: 43-30=13, Resulting Numbers: [14, 13] Generated Node #0,2,0: 45:[14, 13] Operation: 43-30=13 Exploring Operation: 43-14=29, Resulting Numbers: [30, 29] Generated Node #0,2,1: 45:[30, 29] Operation: 43-14=29 Exploring Operation: 14+43=57, Resulting Numbers: [30, 57] Generated Node #0,2,2: 45:[30, 57] Operation: 14+43=57 Exploring Operation: 14+30=44, Resulting Numbers: [43, 44] Generated Node #0,2,3: 45:[43, 44] Operation: 14+30=44 Exploring Operation: 30-14=16, Resulting Numbers: [43, 16] Generated Node #0,2,4: 45:[43, 16] Operation: 30-14=16 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 45:[14, 13], Operations: ['68-25=43', '43-30=13'] Exploring Operation: 14*13=182, Resulting Numbers: [182] 182,45 unequal: No Solution Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 45:[43, 44], Operations: ['68-25=43', '14+30=44'] Exploring Operation: 43+44=87, Resulting Numbers: [87] 87,45 unequal: No Solution Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 43*44=1892, Resulting Numbers: [1892] 1892,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 45:[43, 16], Operations: ['68-25=43', '30-14=16'] Exploring Operation: 43*16=688, Resulting Numbers: [688] 688,45 unequal: No Solution Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 43+16=59, Resulting Numbers: [59] 59,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 45:[30, 57], Operations: ['68-25=43', '14+43=57'] Exploring Operation: 30+57=87, Resulting Numbers: [87] 87,45 unequal: No Solution Exploring Operation: 30*57=1710, Resulting Numbers: [1710] 1710,45 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 45:[30, 29], Operations: ['68-25=43', '43-14=29'] Exploring Operation: 30*29=870, Resulting Numbers: [870] 870,45 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,45 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: 45:[14, 25, 38], Operations: ['68-30=38'] Exploring Operation: 25-14=11, Resulting Numbers: [38, 11] Generated Node #0,3,0: 45:[38, 11] Operation: 25-14=11 Exploring Operation: 14+25=39, Resulting Numbers: [38, 39] Generated Node #0,3,1: 45:[38, 39] Operation: 14+25=39 Exploring Operation: 14+38=52, Resulting Numbers: [25, 52] Generated Node #0,3,2: 45:[25, 52] Operation: 14+38=52 Exploring Operation: 38-25=13, Resulting Numbers: [14, 13] Generated Node #0,3,3: 45:[14, 13] Operation: 38-25=13 Exploring Operation: 38-14=24, Resulting Numbers: [25, 24] Generated Node #0,3,4: 45:[25, 24] Operation: 38-14=24 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 45:[14, 13], Operations: ['68-30=38', '38-25=13'] Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 14*13=182, Resulting Numbers: [182] 182,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 45:[38, 11], Operations: ['68-30=38', '25-14=11'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,45 unequal: No Solution Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 45:[38, 39], Operations: ['68-30=38', '14+25=39'] Exploring Operation: 38*39=1482, Resulting Numbers: [1482] 1482,45 unequal: No Solution Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 45:[25, 52], Operations: ['68-30=38', '14+38=52'] Exploring Operation: 25*52=1300, Resulting Numbers: [1300] 1300,45 unequal: No Solution Exploring Operation: 25+52=77, Resulting Numbers: [77] 77,45 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 45:[25, 24], Operations: ['68-30=38', '38-14=24'] Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,45 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 45:[14, 68, 5], Operations: ['30-25=5'] Exploring Operation: 14-5=9, Resulting Numbers: [68, 9] Generated Node #0,1,0: 45:[68, 9] Operation: 14-5=9 Exploring Operation: 68+5=73, Resulting Numbers: [14, 73] Generated Node #0,1,1: 45:[14, 73] Operation: 68+5=73 Exploring Operation: 14+5=19, Resulting Numbers: [68, 19] Generated Node #0,1,2: 45:[68, 19] Operation: 14+5=19 Exploring Operation: 68-5=63, Resulting Numbers: [14, 63] Generated Node #0,1,3: 45:[14, 63] Operation: 68-5=63 Exploring Operation: 68-14=54, Resulting Numbers: [5, 54] Generated Node #0,1,4: 45:[5, 54] Operation: 68-14=54 Moving to Node #0,0 Current State: 45:[68, 25, 44], Operations: ['14+30=44'] Exploring Operation: 68+25=93, Resulting Numbers: [44, 93] Generated Node #0,0,0: 45:[44, 93] Operation: 68+25=93 Exploring Operation: 68-44=24, Resulting Numbers: [25, 24] Generated Node #0,0,1: 45:[25, 24] Operation: 68-44=24 Exploring Operation: 68-25=43, Resulting Numbers: [44, 43] Generated Node #0,0,2: 45:[44, 43] Operation: 68-25=43 Exploring Operation: 25+44=69, Resulting Numbers: [68, 69] Generated Node #0,0,3: 45:[68, 69] Operation: 25+44=69 Exploring Operation: 44-25=19, Resulting Numbers: [68, 19] Generated Node #0,0,4: 45:[68, 19] Operation: 44-25=19 Moving to Node #0,4 Current State: 45:[68, 25, 16], Operations: ['30-14=16'] Exploring Operation: 68-25=43, Resulting Numbers: [16, 43] Generated Node #0,4,0: 45:[16, 43] Operation: 68-25=43 Exploring Operation: 25-16=9, Resulting Numbers: [68, 9] Generated Node #0,4,1: 45:[68, 9] Operation: 25-16=9 Exploring Operation: 68+25=93, Resulting Numbers: [16, 93] Generated Node #0,4,2: 45:[16, 93] Operation: 68+25=93 Exploring Operation: 68-16=52, Resulting Numbers: [25, 52] Generated Node #0,4,3: 45:[25, 52] Operation: 68-16=52 Exploring Operation: 25+16=41, Resulting Numbers: [68, 41] Generated Node #0,4,4: 45:[68, 41] Operation: 25+16=41 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 45:[16, 43], Operations: ['30-14=16', '68-25=43'] Exploring Operation: 16+43=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 16*43=688, Resulting Numbers: [688] 688,45 unequal: No Solution Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 45:[25, 52], Operations: ['30-14=16', '68-16=52'] Exploring Operation: 25*52=1300, Resulting Numbers: [1300] 1300,45 unequal: No Solution Exploring Operation: 25+52=77, Resulting Numbers: [77] 77,45 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 45:[68, 9], Operations: ['30-14=16', '25-16=9'] Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 68*9=612, Resulting Numbers: [612] 612,45 unequal: No Solution Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 45:[68, 41], Operations: ['30-14=16', '25+16=41'] Exploring Operation: 68+41=109, Resulting Numbers: [109] 109,45 unequal: No Solution Exploring Operation: 68-41=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 68*41=2788, Resulting Numbers: [2788] 2788,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 45:[16, 93], Operations: ['30-14=16', '68+25=93'] Exploring Operation: 93-16=77, Resulting Numbers: [77] 77,45 unequal: No Solution Exploring Operation: 16*93=1488, Resulting Numbers: [1488] 1488,45 unequal: No Solution Exploring Operation: 16+93=109, Resulting Numbers: [109] 109,45 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: 45:[44, 43], Operations: ['14+30=44', '68-25=43'] Exploring Operation: 44+43=87, Resulting Numbers: [87] 87,45 unequal: No Solution Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 44*43=1892, Resulting Numbers: [1892] 1892,45 unequal: No Solution Moving to Node #0,1,4 Current State: 45:[5, 54], Operations: ['30-25=5', '68-14=54'] Exploring Operation: 5*54=270, Resulting Numbers: [270] 270,45 unequal: No Solution Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,45 unequal: No Solution Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[25, 24], Operations: ['14+30=44', '68-44=24'] Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,45 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,45 unequal: No Solution Moving to Node #0,1,3 Current State: 45:[14, 63], Operations: ['30-25=5', '68-5=63'] Exploring Operation: 14*63=882, Resulting Numbers: [882] 882,45 unequal: No Solution Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,45 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,45 unequal: No Solution Moving to Node #0,1,0 Current State: 45:[68, 9], Operations: ['30-25=5', '14-5=9'] Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,45 unequal: No Solution Exploring Operation: 68*9=612, Resulting Numbers: [612] 612,45 unequal: No Solution Moving to Node #0,1,2 Current State: 45:[68, 19], Operations: ['30-25=5', '14+5=19'] Exploring Operation: 68*19=1292, Resulting Numbers: [1292] 1292,45 unequal: No Solution Exploring Operation: 68+19=87, Resulting Numbers: [87] 87,45 unequal: No Solution Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,45 unequal: No Solution Moving to Node #0,0,4 Current State: 45:[68, 19], Operations: ['14+30=44', '44-25=19'] Exploring Operation: 68+19=87, Resulting Numbers: [87] 87,45 unequal: No Solution Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,45 unequal: No Solution Exploring Operation: 68*19=1292, Resulting Numbers: [1292] 1292,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[14, 73], Operations: ['30-25=5', '68+5=73'] Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 14+73=87, Resulting Numbers: [87] 87,45 unequal: No Solution Exploring Operation: 14*73=1022, Resulting Numbers: [1022] 1022,45 unequal: No Solution Moving to Node #0,0,3 Current State: 45:[68, 69], Operations: ['14+30=44', '25+44=69'] Exploring Operation: 68+69=137, Resulting Numbers: [137] 137,45 unequal: No Solution Exploring Operation: 68*69=4692, Resulting Numbers: [4692] 4692,45 unequal: No Solution Exploring Operation: 69-68=1, Resulting Numbers: [1] 1,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[44, 93], Operations: ['14+30=44', '68+25=93'] Exploring Operation: 93-44=49, Resulting Numbers: [49] 49,45 unequal: No Solution Exploring Operation: 44+93=137, Resulting Numbers: [137] 137,45 unequal: No Solution Exploring Operation: 44*93=4092, Resulting Numbers: [4092] 4092,45 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 61, 95, 36, 52 ]
68
[ "61+95=156", "36+52=88", "156-88=68" ]
Current State: 68:[61, 95, 36, 52], Operations: [] Exploring Operation: 61+95=156, Resulting Numbers: [36, 52, 156] Generated Node #2: [36, 52, 156] from Operation: 61+95=156 Current State: 68:[36, 52, 156], Operations: ['61+95=156'] Exploring Operation: 36+52=88, Resulting Numbers: [156, 88] Generated Node #3: [156, 88] from Operation: 36+52=88 Current State: 68:[156, 88], Operations: ['61+95=156', '36+52=88'] Exploring Operation: 156-88=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[61, 95, 36, 52], Operations: [] Exploring Operation: 95-61=34, Resulting Numbers: [36, 52, 34] Generated Node #0,0: 68:[36, 52, 34] Operation: 95-61=34 Exploring Operation: 95-52=43, Resulting Numbers: [61, 36, 43] Generated Node #0,1: 68:[61, 36, 43] Operation: 95-52=43 Moving to Node #0,0 Current State: 68:[36, 52, 34], Operations: ['95-61=34'] Exploring Operation: 52-36=16, Resulting Numbers: [34, 16] Generated Node #0,0,0: 68:[34, 16] Operation: 52-36=16 Exploring Operation: 52-34=18, Resulting Numbers: [36, 18] Generated Node #0,0,1: 68:[36, 18] Operation: 52-34=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[34, 16], Operations: ['95-61=34', '52-36=16'] Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,68 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[36, 18], Operations: ['95-61=34', '52-34=18'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,68 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:[61, 36, 43], Operations: ['95-52=43'] Exploring Operation: 61-43=18, Resulting Numbers: [36, 18] Generated Node #0,1,0: 68:[36, 18] Operation: 61-43=18 Exploring Operation: 43-36=7, Resulting Numbers: [61, 7] Generated Node #0,1,1: 68:[61, 7] Operation: 43-36=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[36, 18], Operations: ['95-52=43', '61-43=18'] Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,68 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 #0,1,1 Current State: 68:[61, 7], Operations: ['95-52=43', '43-36=7'] Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 61+7=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[61, 95, 36, 52], Operations: [] Exploring Operation: 95-52=43, Resulting Numbers: [61, 36, 43] Generated Node #0,1: 68:[61, 36, 43] Operation: 95-52=43 Moving to Node #0,1 Current State: 68:[61, 36, 43], Operations: ['95-52=43'] Exploring Operation: 43-36=7, Resulting Numbers: [61, 7] Generated Node #0,1,1: 68:[61, 7] Operation: 43-36=7 Moving to Node #0,1,1 Current State: 68:[61, 7], Operations: ['95-52=43', '43-36=7'] Exploring Operation: 61+7=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
mult_heuristic
[ 35, 40, 14, 4 ]
51
[ "40-35=5", "14*4=56", "56-5=51" ]
Current State: 51:[35, 40, 14, 4], Operations: [] Exploring Operation: 40-35=5, Resulting Numbers: [14, 4, 5] Generated Node #2: [14, 4, 5] from Operation: 40-35=5 Current State: 51:[14, 4, 5], Operations: ['40-35=5'] Exploring Operation: 14*4=56, Resulting Numbers: [5, 56] Generated Node #3: [5, 56] from Operation: 14*4=56 Current State: 51:[5, 56], Operations: ['40-35=5', '14*4=56'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[35, 40, 14, 4], Operations: [] Exploring Operation: 40+14=54, Resulting Numbers: [35, 4, 54] Generated Node #0,0: 51:[35, 4, 54] Operation: 40+14=54 Exploring Operation: 35+14=49, Resulting Numbers: [40, 4, 49] Generated Node #0,1: 51:[40, 4, 49] Operation: 35+14=49 Exploring Operation: 40-35=5, Resulting Numbers: [14, 4, 5] Generated Node #0,2: 51:[14, 4, 5] Operation: 40-35=5 Exploring Operation: 35+4=39, Resulting Numbers: [40, 14, 39] Generated Node #0,3: 51:[40, 14, 39] Operation: 35+4=39 Exploring Operation: 35-14=21, Resulting Numbers: [40, 4, 21] Generated Node #0,4: 51:[40, 4, 21] Operation: 35-14=21 Moving to Node #0,2 Current State: 51:[14, 4, 5], Operations: ['40-35=5'] Exploring Operation: 14+4=18, Resulting Numbers: [5, 18] Generated Node #0,2,0: 51:[5, 18] Operation: 14+4=18 Exploring Operation: 5-4=1, Resulting Numbers: [14, 1] Generated Node #0,2,1: 51:[14, 1] Operation: 5-4=1 Exploring Operation: 14+5=19, Resulting Numbers: [4, 19] Generated Node #0,2,2: 51:[4, 19] Operation: 14+5=19 Exploring Operation: 14*4=56, Resulting Numbers: [5, 56] Generated Node #0,2,3: 51:[5, 56] Operation: 14*4=56 Exploring Operation: 4*5=20, Resulting Numbers: [14, 20] Generated Node #0,2,4: 51:[14, 20] Operation: 4*5=20 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 51:[5, 18], Operations: ['40-35=5', '14+4=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,51 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,51 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 #0,2,2 Current State: 51:[4, 19], Operations: ['40-35=5', '14+5=19'] Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,51 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,51 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 #0,2,1 Current State: 51:[14, 1], Operations: ['40-35=5', '5-4=1'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,51 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 #0,2,4 Current State: 51:[14, 20], Operations: ['40-35=5', '4*5=20'] Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 14*20=280, Resulting Numbers: [280] 280,51 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,51 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 #0,2,3 Current State: 51:[5, 56], Operations: ['40-35=5', '14*4=56'] Exploring Operation: 5+56=61, Resulting Numbers: [61] 61,51 unequal: No Solution Exploring Operation: 5*56=280, Resulting Numbers: [280] 280,51 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[35, 40, 14, 4], Operations: [] Exploring Operation: 40-35=5, Resulting Numbers: [14, 4, 5] Generated Node #0,2: 51:[14, 4, 5] Operation: 40-35=5 Moving to Node #0,2 Current State: 51:[14, 4, 5], Operations: ['40-35=5'] Exploring Operation: 14*4=56, Resulting Numbers: [5, 56] Generated Node #0,2,3: 51:[5, 56] Operation: 14*4=56 Moving to Node #0,2,3 Current State: 51:[5, 56], Operations: ['40-35=5', '14*4=56'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_5
mult_heuristic
[ 11, 64, 13, 86 ]
73
[ "13+86=99", "99/11=9", "64+9=73" ]
Current State: 73:[11, 64, 13, 86], Operations: [] Exploring Operation: 13+86=99, Resulting Numbers: [11, 64, 99] Generated Node #2: [11, 64, 99] from Operation: 13+86=99 Current State: 73:[11, 64, 99], Operations: ['13+86=99'] Exploring Operation: 99/11=9, Resulting Numbers: [64, 9] Generated Node #3: [64, 9] from Operation: 99/11=9 Current State: 73:[64, 9], Operations: ['13+86=99', '99/11=9'] Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[11, 64, 13, 86], Operations: [] Exploring Operation: 86-13=73, Resulting Numbers: [11, 64, 73] Generated Node #0,0: 73:[11, 64, 73] Operation: 86-13=73 Exploring Operation: 86-11=75, Resulting Numbers: [64, 13, 75] Generated Node #0,1: 73:[64, 13, 75] Operation: 86-11=75 Exploring Operation: 64+13=77, Resulting Numbers: [11, 86, 77] Generated Node #0,2: 73:[11, 86, 77] Operation: 64+13=77 Exploring Operation: 11+64=75, Resulting Numbers: [13, 86, 75] Generated Node #0,3: 73:[13, 86, 75] Operation: 11+64=75 Exploring Operation: 11+13=24, Resulting Numbers: [64, 86, 24] Generated Node #0,4: 73:[64, 86, 24] Operation: 11+13=24 Moving to Node #0,0 Current State: 73:[11, 64, 73], Operations: ['86-13=73'] Exploring Operation: 64-11=53, Resulting Numbers: [73, 53] Generated Node #0,0,0: 73:[73, 53] Operation: 64-11=53 Exploring Operation: 11+73=84, Resulting Numbers: [64, 84] Generated Node #0,0,1: 73:[64, 84] Operation: 11+73=84 Exploring Operation: 11+64=75, Resulting Numbers: [73, 75] Generated Node #0,0,2: 73:[73, 75] Operation: 11+64=75 Exploring Operation: 64+73=137, Resulting Numbers: [11, 137] Generated Node #0,0,3: 73:[11, 137] Operation: 64+73=137 Exploring Operation: 73-11=62, Resulting Numbers: [64, 62] Generated Node #0,0,4: 73:[64, 62] Operation: 73-11=62 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[73, 75], Operations: ['86-13=73', '11+64=75'] Exploring Operation: 73+75=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 75-73=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 73*75=5475, Resulting Numbers: [5475] 5475,73 unequal: No Solution No 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: 73:[73, 53], Operations: ['86-13=73', '64-11=53'] Exploring Operation: 73-53=20, Resulting Numbers: [20] 20,73 unequal: No Solution Exploring Operation: 73*53=3869, Resulting Numbers: [3869] 3869,73 unequal: No Solution Exploring Operation: 73+53=126, Resulting Numbers: [126] 126,73 unequal: No Solution No 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: 73:[64, 84], Operations: ['86-13=73', '11+73=84'] Exploring Operation: 64*84=5376, Resulting Numbers: [5376] 5376,73 unequal: No Solution Exploring Operation: 64+84=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,73 unequal: No Solution No 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: 73:[64, 62], Operations: ['86-13=73', '73-11=62'] Exploring Operation: 64-62=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 64*62=3968, Resulting Numbers: [3968] 3968,73 unequal: No Solution Exploring Operation: 64+62=126, Resulting Numbers: [126] 126,73 unequal: No Solution No 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: 73:[11, 137], Operations: ['86-13=73', '64+73=137'] Exploring Operation: 11+137=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 137-11=126, Resulting Numbers: [126] 126,73 unequal: No Solution Exploring Operation: 11*137=1507, Resulting Numbers: [1507] 1507,73 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: 73:[64, 86, 24], Operations: ['11+13=24'] Exploring Operation: 64+24=88, Resulting Numbers: [86, 88] Generated Node #0,4,0: 73:[86, 88] Operation: 64+24=88 Exploring Operation: 86-24=62, Resulting Numbers: [64, 62] Generated Node #0,4,1: 73:[64, 62] Operation: 86-24=62 Exploring Operation: 86-64=22, Resulting Numbers: [24, 22] Generated Node #0,4,2: 73:[24, 22] Operation: 86-64=22 Exploring Operation: 64-24=40, Resulting Numbers: [86, 40] Generated Node #0,4,3: 73:[86, 40] Operation: 64-24=40 Exploring Operation: 86+24=110, Resulting Numbers: [64, 110] Generated Node #0,4,4: 73:[64, 110] Operation: 86+24=110 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 73:[64, 62], Operations: ['11+13=24', '86-24=62'] Exploring Operation: 64-62=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 64+62=126, Resulting Numbers: [126] 126,73 unequal: No Solution Exploring Operation: 64*62=3968, Resulting Numbers: [3968] 3968,73 unequal: No Solution No 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: 73:[86, 88], Operations: ['11+13=24', '64+24=88'] Exploring Operation: 86*88=7568, Resulting Numbers: [7568] 7568,73 unequal: No Solution Exploring Operation: 86+88=174, Resulting Numbers: [174] 174,73 unequal: No Solution Exploring Operation: 88-86=2, Resulting Numbers: [2] 2,73 unequal: No Solution No 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: 73:[86, 40], Operations: ['11+13=24', '64-24=40'] Exploring Operation: 86-40=46, Resulting Numbers: [46] 46,73 unequal: No Solution Exploring Operation: 86+40=126, Resulting Numbers: [126] 126,73 unequal: No Solution Exploring Operation: 86*40=3440, Resulting Numbers: [3440] 3440,73 unequal: No Solution No 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: 73:[64, 110], Operations: ['11+13=24', '86+24=110'] Exploring Operation: 110-64=46, Resulting Numbers: [46] 46,73 unequal: No Solution Exploring Operation: 64*110=7040, Resulting Numbers: [7040] 7040,73 unequal: No Solution Exploring Operation: 64+110=174, Resulting Numbers: [174] 174,73 unequal: No Solution No 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: 73:[24, 22], Operations: ['11+13=24', '86-64=22'] Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 24+22=46, Resulting Numbers: [46] 46,73 unequal: No Solution Exploring Operation: 24*22=528, Resulting Numbers: [528] 528,73 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: 73:[64, 13, 75], Operations: ['86-11=75'] Exploring Operation: 75-64=11, Resulting Numbers: [13, 11] Generated Node #0,1,0: 73:[13, 11] Operation: 75-64=11 Exploring Operation: 13+75=88, Resulting Numbers: [64, 88] Generated Node #0,1,1: 73:[64, 88] Operation: 13+75=88 Exploring Operation: 64+13=77, Resulting Numbers: [75, 77] Generated Node #0,1,2: 73:[75, 77] Operation: 64+13=77 Exploring Operation: 75-13=62, Resulting Numbers: [64, 62] Generated Node #0,1,3: 73:[64, 62] Operation: 75-13=62 Exploring Operation: 64-13=51, Resulting Numbers: [75, 51] Generated Node #0,1,4: 73:[75, 51] Operation: 64-13=51 Moving to Node #0,3 Current State: 73:[13, 86, 75], Operations: ['11+64=75'] Exploring Operation: 13+86=99, Resulting Numbers: [75, 99] Generated Node #0,3,0: 73:[75, 99] Operation: 13+86=99 Exploring Operation: 13+75=88, Resulting Numbers: [86, 88] Generated Node #0,3,1: 73:[86, 88] Operation: 13+75=88 Exploring Operation: 75-13=62, Resulting Numbers: [86, 62] Generated Node #0,3,2: 73:[86, 62] Operation: 75-13=62 Exploring Operation: 86-75=11, Resulting Numbers: [13, 11] Generated Node #0,3,3: 73:[13, 11] Operation: 86-75=11 Exploring Operation: 86-13=73, Resulting Numbers: [75, 73] Generated Node #0,3,4: 73:[75, 73] Operation: 86-13=73 Moving to Node #0,2 Current State: 73:[11, 86, 77], Operations: ['64+13=77'] Exploring Operation: 11+86=97, Resulting Numbers: [77, 97] Generated Node #0,2,0: 73:[77, 97] Operation: 11+86=97 Exploring Operation: 77-11=66, Resulting Numbers: [86, 66] Generated Node #0,2,1: 73:[86, 66] Operation: 77-11=66 Exploring Operation: 77/11=7, Resulting Numbers: [86, 7] Generated Node #0,2,2: 73:[86, 7] Operation: 77/11=7 Exploring Operation: 86-11=75, Resulting Numbers: [77, 75] Generated Node #0,2,3: 73:[77, 75] Operation: 86-11=75 Exploring Operation: 11+77=88, Resulting Numbers: [86, 88] Generated Node #0,2,4: 73:[86, 88] Operation: 11+77=88 Moving to Node #0,3,4 Current State: 73:[75, 73], Operations: ['11+64=75', '86-13=73'] Exploring Operation: 75-73=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 75+73=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 75*73=5475, Resulting Numbers: [5475] 5475,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[75, 77], Operations: ['86-11=75', '64+13=77'] Exploring Operation: 75*77=5775, Resulting Numbers: [5775] 5775,73 unequal: No Solution Exploring Operation: 75+77=152, Resulting Numbers: [152] 152,73 unequal: No Solution Exploring Operation: 77-75=2, Resulting Numbers: [2] 2,73 unequal: No Solution Moving to Node #0,2,3 Current State: 73:[77, 75], Operations: ['64+13=77', '86-11=75'] Exploring Operation: 77*75=5775, Resulting Numbers: [5775] 5775,73 unequal: No Solution Exploring Operation: 77+75=152, Resulting Numbers: [152] 152,73 unequal: No Solution Exploring Operation: 77-75=2, Resulting Numbers: [2] 2,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[86, 66], Operations: ['64+13=77', '77-11=66'] Exploring Operation: 86+66=152, Resulting Numbers: [152] 152,73 unequal: No Solution Exploring Operation: 86-66=20, Resulting Numbers: [20] 20,73 unequal: No Solution Exploring Operation: 86*66=5676, Resulting Numbers: [5676] 5676,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[64, 62], Operations: ['86-11=75', '75-13=62'] Exploring Operation: 64-62=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 64+62=126, Resulting Numbers: [126] 126,73 unequal: No Solution Exploring Operation: 64*62=3968, Resulting Numbers: [3968] 3968,73 unequal: No Solution Moving to Node #0,3,2 Current State: 73:[86, 62], Operations: ['11+64=75', '75-13=62'] Exploring Operation: 86+62=148, Resulting Numbers: [148] 148,73 unequal: No Solution Exploring Operation: 86-62=24, Resulting Numbers: [24] 24,73 unequal: No Solution Exploring Operation: 86*62=5332, Resulting Numbers: [5332] 5332,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[64, 88], Operations: ['86-11=75', '13+75=88'] Exploring Operation: 64+88=152, Resulting Numbers: [152] 152,73 unequal: No Solution Exploring Operation: 88-64=24, Resulting Numbers: [24] 24,73 unequal: No Solution Exploring Operation: 64*88=5632, Resulting Numbers: [5632] 5632,73 unequal: No Solution Moving to Node #0,1,4 Current State: 73:[75, 51], Operations: ['86-11=75', '64-13=51'] Exploring Operation: 75-51=24, Resulting Numbers: [24] 24,73 unequal: No Solution Exploring Operation: 75+51=126, Resulting Numbers: [126] 126,73 unequal: No Solution Exploring Operation: 75*51=3825, Resulting Numbers: [3825] 3825,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[77, 97], Operations: ['64+13=77', '11+86=97'] Exploring Operation: 77*97=7469, Resulting Numbers: [7469] 7469,73 unequal: No Solution Exploring Operation: 77+97=174, Resulting Numbers: [174] 174,73 unequal: No Solution Exploring Operation: 97-77=20, Resulting Numbers: [20] 20,73 unequal: No Solution Moving to Node #0,3,0 Current State: 73:[75, 99], Operations: ['11+64=75', '13+86=99'] Exploring Operation: 75*99=7425, Resulting Numbers: [7425] 7425,73 unequal: No Solution Exploring Operation: 99-75=24, Resulting Numbers: [24] 24,73 unequal: No Solution Exploring Operation: 75+99=174, Resulting Numbers: [174] 174,73 unequal: No Solution Moving to Node #0,2,4 Current State: 73:[86, 88], Operations: ['64+13=77', '11+77=88'] Exploring Operation: 88-86=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 86*88=7568, Resulting Numbers: [7568] 7568,73 unequal: No Solution Exploring Operation: 86+88=174, Resulting Numbers: [174] 174,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[86, 88], Operations: ['11+64=75', '13+75=88'] Exploring Operation: 86*88=7568, Resulting Numbers: [7568] 7568,73 unequal: No Solution Exploring Operation: 86+88=174, Resulting Numbers: [174] 174,73 unequal: No Solution Exploring Operation: 88-86=2, Resulting Numbers: [2] 2,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[86, 7], Operations: ['64+13=77', '77/11=7'] Exploring Operation: 86-7=79, Resulting Numbers: [79] 79,73 unequal: No Solution Exploring Operation: 86*7=602, Resulting Numbers: [602] 602,73 unequal: No Solution Exploring Operation: 86+7=93, Resulting Numbers: [93] 93,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[13, 11], Operations: ['11+64=75', '86-75=11'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,73 unequal: No Solution Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[13, 11], Operations: ['86-11=75', '75-64=11'] Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,73 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,73 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 96, 9, 92, 34 ]
100
[ "96-92=4", "34-9=25", "4*25=100" ]
Current State: 100:[96, 9, 92, 34], Operations: [] Exploring Operation: 96-92=4, Resulting Numbers: [9, 34, 4] Generated Node #2: [9, 34, 4] from Operation: 96-92=4 Current State: 100:[9, 34, 4], Operations: ['96-92=4'] Exploring Operation: 34-9=25, Resulting Numbers: [4, 25] Generated Node #3: [4, 25] from Operation: 34-9=25 Current State: 100:[4, 25], Operations: ['96-92=4', '34-9=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[96, 9, 92, 34], Operations: [] Exploring Operation: 96-92=4, Resulting Numbers: [9, 34, 4] Generated Node #0,0: 100:[9, 34, 4] Operation: 96-92=4 Exploring Operation: 34-9=25, Resulting Numbers: [96, 92, 25] Generated Node #0,1: 100:[96, 92, 25] Operation: 34-9=25 Exploring Operation: 92-34=58, Resulting Numbers: [96, 9, 58] Generated Node #0,2: 100:[96, 9, 58] Operation: 92-34=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[9, 34, 4], Operations: ['96-92=4'] Exploring Operation: 34-9=25, Resulting Numbers: [4, 25] Generated Node #0,0,0: 100:[4, 25] Operation: 34-9=25 Exploring Operation: 9+34=43, Resulting Numbers: [4, 43] Generated Node #0,0,1: 100:[4, 43] Operation: 9+34=43 Exploring Operation: 34-4=30, Resulting Numbers: [9, 30] Generated Node #0,0,2: 100:[9, 30] Operation: 34-4=30 Moving to Node #0,0,0 Current State: 100:[4, 25], Operations: ['96-92=4', '34-9=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,100 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[96, 9, 92, 34], Operations: [] Exploring Operation: 96-92=4, Resulting Numbers: [9, 34, 4] Generated Node #0,0: 100:[9, 34, 4] Operation: 96-92=4 Moving to Node #0,0 Current State: 100:[9, 34, 4], Operations: ['96-92=4'] Exploring Operation: 34-9=25, Resulting Numbers: [4, 25] Generated Node #0,0,0: 100:[4, 25] Operation: 34-9=25 Moving to Node #0,0,0 Current State: 100:[4, 25], Operations: ['96-92=4', '34-9=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 15, 90, 85, 26 ]
16
[ "90-15=75", "85-26=59", "75-59=16" ]
Current State: 16:[15, 90, 85, 26], Operations: [] Exploring Operation: 90-15=75, Resulting Numbers: [85, 26, 75] Generated Node #2: [85, 26, 75] from Operation: 90-15=75 Current State: 16:[85, 26, 75], Operations: ['90-15=75'] Exploring Operation: 85-26=59, Resulting Numbers: [75, 59] Generated Node #3: [75, 59] from Operation: 85-26=59 Current State: 16:[75, 59], Operations: ['90-15=75', '85-26=59'] Exploring Operation: 75-59=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[15, 90, 85, 26], Operations: [] Exploring Operation: 90-26=64, Resulting Numbers: [15, 85, 64] Generated Node #0,0: 16:[15, 85, 64] Operation: 90-26=64 Exploring Operation: 90/15=6, Resulting Numbers: [85, 26, 6] Generated Node #0,1: 16:[85, 26, 6] Operation: 90/15=6 Exploring Operation: 90-85=5, Resulting Numbers: [15, 26, 5] Generated Node #0,2: 16:[15, 26, 5] Operation: 90-85=5 Moving to Node #0,2 Current State: 16:[15, 26, 5], Operations: ['90-85=5'] Exploring Operation: 26-5=21, Resulting Numbers: [15, 21] Generated Node #0,2,0: 16:[15, 21] Operation: 26-5=21 Exploring Operation: 15/5=3, Resulting Numbers: [26, 3] Generated Node #0,2,1: 16:[26, 3] Operation: 15/5=3 Exploring Operation: 26-15=11, Resulting Numbers: [5, 11] Generated Node #0,2,2: 16:[5, 11] Operation: 26-15=11 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 16:[5, 11], Operations: ['90-85=5', '26-15=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[15, 90, 85, 26], Operations: [] Exploring Operation: 90-85=5, Resulting Numbers: [15, 26, 5] Generated Node #0,2: 16:[15, 26, 5] Operation: 90-85=5 Moving to Node #0,2 Current State: 16:[15, 26, 5], Operations: ['90-85=5'] Exploring Operation: 26-15=11, Resulting Numbers: [5, 11] Generated Node #0,2,2: 16:[5, 11] Operation: 26-15=11 Moving to Node #0,2,2 Current State: 16:[5, 11], Operations: ['90-85=5', '26-15=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 95, 1, 64, 52 ]
83
[ "95*1=95", "64-52=12", "95-12=83" ]
Current State: 83:[95, 1, 64, 52], Operations: [] Exploring Operation: 95*1=95, Resulting Numbers: [64, 52, 95] Generated Node #2: [64, 52, 95] from Operation: 95*1=95 Current State: 83:[64, 52, 95], Operations: ['95*1=95'] Exploring Operation: 64-52=12, Resulting Numbers: [95, 12] Generated Node #3: [95, 12] from Operation: 64-52=12 Current State: 83:[95, 12], Operations: ['95*1=95', '64-52=12'] Exploring Operation: 95-12=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[95, 1, 64, 52], Operations: [] Exploring Operation: 95-1=94, Resulting Numbers: [64, 52, 94] Generated Node #0,0: 83:[64, 52, 94] Operation: 95-1=94 Exploring Operation: 1+64=65, Resulting Numbers: [95, 52, 65] Generated Node #0,1: 83:[95, 52, 65] Operation: 1+64=65 Exploring Operation: 1+52=53, Resulting Numbers: [95, 64, 53] Generated Node #0,2: 83:[95, 64, 53] Operation: 1+52=53 Exploring Operation: 95*1=95, Resulting Numbers: [64, 52, 95] Generated Node #0,3: 83:[64, 52, 95] Operation: 95*1=95 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[64, 52, 94], Operations: ['95-1=94'] Exploring Operation: 64-52=12, Resulting Numbers: [94, 12] Generated Node #0,0,0: 83:[94, 12] Operation: 64-52=12 Exploring Operation: 94-52=42, Resulting Numbers: [64, 42] Generated Node #0,0,1: 83:[64, 42] Operation: 94-52=42 Exploring Operation: 52+94=146, Resulting Numbers: [64, 146] Generated Node #0,0,2: 83:[64, 146] Operation: 52+94=146 Exploring Operation: 64+52=116, Resulting Numbers: [94, 116] Generated Node #0,0,3: 83:[94, 116] Operation: 64+52=116 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 83:[94, 116], Operations: ['95-1=94', '64+52=116'] Exploring Operation: 116-94=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 94*116=10904, Resulting Numbers: [10904] 10904,83 unequal: No Solution Exploring Operation: 94+116=210, Resulting Numbers: [210] 210,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 83:[64, 42], Operations: ['95-1=94', '94-52=42'] Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 64*42=2688, Resulting Numbers: [2688] 2688,83 unequal: No Solution Exploring Operation: 64+42=106, Resulting Numbers: [106] 106,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[94, 12], Operations: ['95-1=94', '64-52=12'] Exploring Operation: 94*12=1128, Resulting Numbers: [1128] 1128,83 unequal: No Solution Exploring Operation: 94-12=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 94+12=106, Resulting Numbers: [106] 106,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 83:[64, 146], Operations: ['95-1=94', '52+94=146'] Exploring Operation: 64+146=210, Resulting Numbers: [210] 210,83 unequal: No Solution Exploring Operation: 64*146=9344, Resulting Numbers: [9344] 9344,83 unequal: No Solution Exploring Operation: 146-64=82, Resulting Numbers: [82] 82,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[95, 52, 65], Operations: ['1+64=65'] Exploring Operation: 95+52=147, Resulting Numbers: [65, 147] Generated Node #0,1,0: 83:[65, 147] Operation: 95+52=147 Exploring Operation: 65-52=13, Resulting Numbers: [95, 13] Generated Node #0,1,1: 83:[95, 13] Operation: 65-52=13 Exploring Operation: 52+65=117, Resulting Numbers: [95, 117] Generated Node #0,1,2: 83:[95, 117] Operation: 52+65=117 Exploring Operation: 95-52=43, Resulting Numbers: [65, 43] Generated Node #0,1,3: 83:[65, 43] Operation: 95-52=43 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 83:[95, 117], Operations: ['1+64=65', '52+65=117'] Exploring Operation: 95*117=11115, Resulting Numbers: [11115] 11115,83 unequal: No Solution Exploring Operation: 95+117=212, Resulting Numbers: [212] 212,83 unequal: No Solution Exploring Operation: 117-95=22, Resulting Numbers: [22] 22,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 83:[65, 43], Operations: ['1+64=65', '95-52=43'] Exploring Operation: 65+43=108, Resulting Numbers: [108] 108,83 unequal: No Solution Exploring Operation: 65*43=2795, Resulting Numbers: [2795] 2795,83 unequal: No Solution Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[65, 147], Operations: ['1+64=65', '95+52=147'] Exploring Operation: 65*147=9555, Resulting Numbers: [9555] 9555,83 unequal: No Solution Exploring Operation: 65+147=212, Resulting Numbers: [212] 212,83 unequal: No Solution Exploring Operation: 147-65=82, Resulting Numbers: [82] 82,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 83:[95, 13], Operations: ['1+64=65', '65-52=13'] Exploring Operation: 95-13=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 95*13=1235, Resulting Numbers: [1235] 1235,83 unequal: No Solution Exploring Operation: 95+13=108, Resulting Numbers: [108] 108,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[95, 64, 53], Operations: ['1+52=53'] Exploring Operation: 95-64=31, Resulting Numbers: [53, 31] Generated Node #0,2,0: 83:[53, 31] Operation: 95-64=31 Exploring Operation: 95-53=42, Resulting Numbers: [64, 42] Generated Node #0,2,1: 83:[64, 42] Operation: 95-53=42 Exploring Operation: 64+53=117, Resulting Numbers: [95, 117] Generated Node #0,2,2: 83:[95, 117] Operation: 64+53=117 Exploring Operation: 95+53=148, Resulting Numbers: [64, 148] Generated Node #0,2,3: 83:[64, 148] Operation: 95+53=148 Moving to Node #0,2,2 Current State: 83:[95, 117], Operations: ['1+52=53', '64+53=117'] Exploring Operation: 117-95=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 95+117=212, Resulting Numbers: [212] 212,83 unequal: No Solution Exploring Operation: 95*117=11115, Resulting Numbers: [11115] 11115,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[64, 42], Operations: ['1+52=53', '95-53=42'] Exploring Operation: 64*42=2688, Resulting Numbers: [2688] 2688,83 unequal: No Solution Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 64+42=106, Resulting Numbers: [106] 106,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[53, 31], Operations: ['1+52=53', '95-64=31'] Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 53*31=1643, Resulting Numbers: [1643] 1643,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[64, 148], Operations: ['1+52=53', '95+53=148'] Exploring Operation: 64*148=9472, Resulting Numbers: [9472] 9472,83 unequal: No Solution Exploring Operation: 64+148=212, Resulting Numbers: [212] 212,83 unequal: No Solution Exploring Operation: 148-64=84, Resulting Numbers: [84] 84,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[64, 52, 95], Operations: ['95*1=95'] Exploring Operation: 95-52=43, Resulting Numbers: [64, 43] Generated Node #0,3,0: 83:[64, 43] Operation: 95-52=43 Exploring Operation: 95-64=31, Resulting Numbers: [52, 31] Generated Node #0,3,1: 83:[52, 31] Operation: 95-64=31 Exploring Operation: 64+52=116, Resulting Numbers: [95, 116] Generated Node #0,3,2: 83:[95, 116] Operation: 64+52=116 Exploring Operation: 64-52=12, Resulting Numbers: [95, 12] Generated Node #0,3,3: 83:[95, 12] Operation: 64-52=12 Moving to Node #0,3,2 Current State: 83:[95, 116], Operations: ['95*1=95', '64+52=116'] Exploring Operation: 116-95=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 95+116=211, Resulting Numbers: [211] 211,83 unequal: No Solution Exploring Operation: 95*116=11020, Resulting Numbers: [11020] 11020,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[64, 43], Operations: ['95*1=95', '95-52=43'] Exploring Operation: 64+43=107, Resulting Numbers: [107] 107,83 unequal: No Solution Exploring Operation: 64*43=2752, Resulting Numbers: [2752] 2752,83 unequal: No Solution Exploring Operation: 64-43=21, Resulting Numbers: [21] 21,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[95, 12], Operations: ['95*1=95', '64-52=12'] Exploring Operation: 95*12=1140, Resulting Numbers: [1140] 1140,83 unequal: No Solution Exploring Operation: 95-12=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[95, 1, 64, 52], Operations: [] Exploring Operation: 95*1=95, Resulting Numbers: [64, 52, 95] Generated Node #0,3: 83:[64, 52, 95] Operation: 95*1=95 Moving to Node #0,3 Current State: 83:[64, 52, 95], Operations: ['95*1=95'] Exploring Operation: 64-52=12, Resulting Numbers: [95, 12] Generated Node #0,3,3: 83:[95, 12] Operation: 64-52=12 Moving to Node #0,3,3 Current State: 83:[95, 12], Operations: ['95*1=95', '64-52=12'] Exploring Operation: 95-12=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.940972
hs_4
mult_heuristic
[ 28, 18, 56, 35 ]
71
[ "56/28=2", "18*2=36", "35+36=71" ]
Current State: 71:[28, 18, 56, 35], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [18, 35, 2] Generated Node #2: [18, 35, 2] from Operation: 56/28=2 Current State: 71:[18, 35, 2], Operations: ['56/28=2'] Exploring Operation: 18*2=36, Resulting Numbers: [35, 36] Generated Node #3: [35, 36] from Operation: 18*2=36 Current State: 71:[35, 36], Operations: ['56/28=2', '18*2=36'] Exploring Operation: 35+36=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[28, 18, 56, 35], Operations: [] Exploring Operation: 18+35=53, Resulting Numbers: [28, 56, 53] Generated Node #0,0: 71:[28, 56, 53] Operation: 18+35=53 Exploring Operation: 28+35=63, Resulting Numbers: [18, 56, 63] Generated Node #0,1: 71:[18, 56, 63] Operation: 28+35=63 Exploring Operation: 28+18=46, Resulting Numbers: [56, 35, 46] Generated Node #0,2: 71:[56, 35, 46] Operation: 28+18=46 Moving to Node #0,0 Current State: 71:[28, 56, 53], Operations: ['18+35=53'] Exploring Operation: 56-28=28, Resulting Numbers: [53, 28] Generated Node #0,0,0: 71:[53, 28] Operation: 56-28=28 Exploring Operation: 28+56=84, Resulting Numbers: [53, 84] Generated Node #0,0,1: 71:[53, 84] Operation: 28+56=84 Exploring Operation: 28+53=81, Resulting Numbers: [56, 81] Generated Node #0,0,2: 71:[56, 81] Operation: 28+53=81 Moving to Node #0,1 Current State: 71:[18, 56, 63], Operations: ['28+35=63'] Exploring Operation: 18+63=81, Resulting Numbers: [56, 81] Generated Node #0,1,0: 71:[56, 81] Operation: 18+63=81 Exploring Operation: 18+56=74, Resulting Numbers: [63, 74] Generated Node #0,1,1: 71:[63, 74] Operation: 18+56=74 Exploring Operation: 56-18=38, Resulting Numbers: [63, 38] Generated Node #0,1,2: 71:[63, 38] Operation: 56-18=38 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[63, 74], Operations: ['28+35=63', '18+56=74'] Exploring Operation: 63+74=137, Resulting Numbers: [137] 137,71 unequal: No Solution Exploring Operation: 63*74=4662, Resulting Numbers: [4662] 4662,71 unequal: No Solution Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[56, 81], Operations: ['28+35=63', '18+63=81'] Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 56+81=137, Resulting Numbers: [137] 137,71 unequal: No Solution Exploring Operation: 56*81=4536, Resulting Numbers: [4536] 4536,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[63, 38], Operations: ['28+35=63', '56-18=38'] Exploring Operation: 63-38=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 63*38=2394, Resulting Numbers: [2394] 2394,71 unequal: No Solution Exploring Operation: 63+38=101, Resulting Numbers: [101] 101,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 71:[56, 35, 46], Operations: ['28+18=46'] Exploring Operation: 56+35=91, Resulting Numbers: [46, 91] Generated Node #0,2,0: 71:[46, 91] Operation: 56+35=91 Exploring Operation: 35+46=81, Resulting Numbers: [56, 81] Generated Node #0,2,1: 71:[56, 81] Operation: 35+46=81 Exploring Operation: 56+46=102, Resulting Numbers: [35, 102] Generated Node #0,2,2: 71:[35, 102] Operation: 56+46=102 Moving to Node #0,0,2 Current State: 71:[56, 81], Operations: ['18+35=53', '28+53=81'] Exploring Operation: 56*81=4536, Resulting Numbers: [4536] 4536,71 unequal: No Solution Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 56+81=137, Resulting Numbers: [137] 137,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[56, 81], Operations: ['28+18=46', '35+46=81'] Exploring Operation: 56*81=4536, Resulting Numbers: [4536] 4536,71 unequal: No Solution Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 56+81=137, Resulting Numbers: [137] 137,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[53, 84], Operations: ['18+35=53', '28+56=84'] Exploring Operation: 53+84=137, Resulting Numbers: [137] 137,71 unequal: No Solution Exploring Operation: 84-53=31, Resulting Numbers: [31] 31,71 unequal: No Solution Exploring Operation: 53*84=4452, Resulting Numbers: [4452] 4452,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[46, 91], Operations: ['28+18=46', '56+35=91'] Exploring Operation: 91-46=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 46*91=4186, Resulting Numbers: [4186] 4186,71 unequal: No Solution Exploring Operation: 46+91=137, Resulting Numbers: [137] 137,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[53, 28], Operations: ['18+35=53', '56-28=28'] Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,71 unequal: No Solution Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[35, 102], Operations: ['28+18=46', '56+46=102'] Exploring Operation: 35+102=137, Resulting Numbers: [137] 137,71 unequal: No Solution Exploring Operation: 35*102=3570, Resulting Numbers: [3570] 3570,71 unequal: No Solution Exploring Operation: 102-35=67, Resulting Numbers: [67] 67,71 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 3, 52, 81, 43 ]
75
[ "52-3=49", "81+43=124", "124-49=75" ]
Current State: 75:[3, 52, 81, 43], Operations: [] Exploring Operation: 52-3=49, Resulting Numbers: [81, 43, 49] Generated Node #2: [81, 43, 49] from Operation: 52-3=49 Current State: 75:[81, 43, 49], Operations: ['52-3=49'] Exploring Operation: 81+43=124, Resulting Numbers: [49, 124] Generated Node #3: [49, 124] from Operation: 81+43=124 Current State: 75:[49, 124], Operations: ['52-3=49', '81+43=124'] Exploring Operation: 124-49=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[3, 52, 81, 43], Operations: [] Exploring Operation: 52-43=9, Resulting Numbers: [3, 81, 9] Generated Node #0,0: 75:[3, 81, 9] Operation: 52-43=9 Moving to Node #0,0 Current State: 75:[3, 81, 9], Operations: ['52-43=9'] Exploring Operation: 81-9=72, Resulting Numbers: [3, 72] Generated Node #0,0,0: 75:[3, 72] Operation: 81-9=72 Moving to Node #0,0,0 Current State: 75:[3, 72], Operations: ['52-43=9', '81-9=72'] Exploring Operation: 3+72=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[3, 52, 81, 43], Operations: [] Exploring Operation: 52-43=9, Resulting Numbers: [3, 81, 9] Generated Node #0,0: 75:[3, 81, 9] Operation: 52-43=9 Moving to Node #0,0 Current State: 75:[3, 81, 9], Operations: ['52-43=9'] Exploring Operation: 81-9=72, Resulting Numbers: [3, 72] Generated Node #0,0,0: 75:[3, 72] Operation: 81-9=72 Moving to Node #0,0,0 Current State: 75:[3, 72], Operations: ['52-43=9', '81-9=72'] Exploring Operation: 3+72=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 10, 68, 67, 62 ]
54
[ "68+62=130", "130/10=13", "67-13=54" ]
Current State: 54:[10, 68, 67, 62], Operations: [] Exploring Operation: 68+62=130, Resulting Numbers: [10, 67, 130] Generated Node #2: [10, 67, 130] from Operation: 68+62=130 Current State: 54:[10, 67, 130], Operations: ['68+62=130'] Exploring Operation: 130/10=13, Resulting Numbers: [67, 13] Generated Node #3: [67, 13] from Operation: 130/10=13 Current State: 54:[67, 13], Operations: ['68+62=130', '130/10=13'] Exploring Operation: 67-13=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[10, 68, 67, 62], Operations: [] Exploring Operation: 68-62=6, Resulting Numbers: [10, 67, 6] Generated Node #0,0: 54:[10, 67, 6] Operation: 68-62=6 Exploring Operation: 68-67=1, Resulting Numbers: [10, 62, 1] Generated Node #0,1: 54:[10, 62, 1] Operation: 68-67=1 Moving to Node #0,1 Current State: 54:[10, 62, 1], Operations: ['68-67=1'] Exploring Operation: 62-10=52, Resulting Numbers: [1, 52] Generated Node #0,1,0: 54:[1, 52] Operation: 62-10=52 Exploring Operation: 10-1=9, Resulting Numbers: [62, 9] Generated Node #0,1,1: 54:[62, 9] Operation: 10-1=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 54:[1, 52], Operations: ['68-67=1', '62-10=52'] Exploring Operation: 1*52=52, Resulting Numbers: [52] 52,54 unequal: No Solution Exploring Operation: 1+52=53, Resulting Numbers: [53] 53,54 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:[62, 9], Operations: ['68-67=1', '10-1=9'] Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,54 unequal: No Solution Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,54 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:[10, 67, 6], Operations: ['68-62=6'] Exploring Operation: 67-6=61, Resulting Numbers: [10, 61] Generated Node #0,0,0: 54:[10, 61] Operation: 67-6=61 Exploring Operation: 67-10=57, Resulting Numbers: [6, 57] Generated Node #0,0,1: 54:[6, 57] Operation: 67-10=57 Moving to Node #0,0,1 Current State: 54:[6, 57], Operations: ['68-62=6', '67-10=57'] Exploring Operation: 6+57=63, Resulting Numbers: [63] 63,54 unequal: No Solution Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[10, 61], Operations: ['68-62=6', '67-6=61'] Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,54 unequal: No Solution Exploring Operation: 10+61=71, Resulting Numbers: [71] 71,54 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 42, 82, 8, 22 ]
10
[ "82-42=40", "8+22=30", "40-30=10" ]
Current State: 10:[42, 82, 8, 22], Operations: [] Exploring Operation: 82-42=40, Resulting Numbers: [8, 22, 40] Generated Node #2: [8, 22, 40] from Operation: 82-42=40 Current State: 10:[8, 22, 40], Operations: ['82-42=40'] Exploring Operation: 8+22=30, Resulting Numbers: [40, 30] Generated Node #3: [40, 30] from Operation: 8+22=30 Current State: 10:[40, 30], Operations: ['82-42=40', '8+22=30'] Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[42, 82, 8, 22], Operations: [] Exploring Operation: 82-22=60, Resulting Numbers: [42, 8, 60] Generated Node #0,0: 10:[42, 8, 60] Operation: 82-22=60 Exploring Operation: 82-42=40, Resulting Numbers: [8, 22, 40] Generated Node #0,1: 10:[8, 22, 40] Operation: 82-42=40 Exploring Operation: 42-8=34, Resulting Numbers: [82, 22, 34] Generated Node #0,2: 10:[82, 22, 34] Operation: 42-8=34 Exploring Operation: 42-22=20, Resulting Numbers: [82, 8, 20] Generated Node #0,3: 10:[82, 8, 20] Operation: 42-22=20 Moving to Node #0,1 Current State: 10:[8, 22, 40], Operations: ['82-42=40'] Exploring Operation: 22-8=14, Resulting Numbers: [40, 14] Generated Node #0,1,0: 10:[40, 14] Operation: 22-8=14 Exploring Operation: 40-8=32, Resulting Numbers: [22, 32] Generated Node #0,1,1: 10:[22, 32] Operation: 40-8=32 Exploring Operation: 40-22=18, Resulting Numbers: [8, 18] Generated Node #0,1,2: 10:[8, 18] Operation: 40-22=18 Exploring Operation: 40/8=5, Resulting Numbers: [22, 5] Generated Node #0,1,3: 10:[22, 5] Operation: 40/8=5 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 10:[8, 18], Operations: ['82-42=40', '40-22=18'] Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,10 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[42, 82, 8, 22], Operations: [] Exploring Operation: 82-42=40, Resulting Numbers: [8, 22, 40] Generated Node #0,1: 10:[8, 22, 40] Operation: 82-42=40 Moving to Node #0,1 Current State: 10:[8, 22, 40], Operations: ['82-42=40'] Exploring Operation: 40-22=18, Resulting Numbers: [8, 18] Generated Node #0,1,2: 10:[8, 18] Operation: 40-22=18 Moving to Node #0,1,2 Current State: 10:[8, 18], Operations: ['82-42=40', '40-22=18'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 2, 34, 53, 71 ]
50
[ "2*34=68", "71-53=18", "68-18=50" ]
Current State: 50:[2, 34, 53, 71], Operations: [] Exploring Operation: 2*34=68, Resulting Numbers: [53, 71, 68] Generated Node #2: [53, 71, 68] from Operation: 2*34=68 Current State: 50:[53, 71, 68], Operations: ['2*34=68'] Exploring Operation: 71-53=18, Resulting Numbers: [68, 18] Generated Node #3: [68, 18] from Operation: 71-53=18 Current State: 50:[68, 18], Operations: ['2*34=68', '71-53=18'] Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[2, 34, 53, 71], Operations: [] Exploring Operation: 71-53=18, Resulting Numbers: [2, 34, 18] Generated Node #0,0: 50:[2, 34, 18] Operation: 71-53=18 Exploring Operation: 71-34=37, Resulting Numbers: [2, 53, 37] Generated Node #0,1: 50:[2, 53, 37] Operation: 71-34=37 Moving to Node #0,1 Current State: 50:[2, 53, 37], Operations: ['71-34=37'] Exploring Operation: 53-37=16, Resulting Numbers: [2, 16] Generated Node #0,1,0: 50:[2, 16] Operation: 53-37=16 Exploring Operation: 53-2=51, Resulting Numbers: [37, 51] Generated Node #0,1,1: 50:[37, 51] Operation: 53-2=51 Moving to Node #0,0 Current State: 50:[2, 34, 18], Operations: ['71-53=18'] Exploring Operation: 34+18=52, Resulting Numbers: [2, 52] Generated Node #0,0,0: 50:[2, 52] Operation: 34+18=52 Exploring Operation: 34-18=16, Resulting Numbers: [2, 16] Generated Node #0,0,1: 50:[2, 16] Operation: 34-18=16 Moving to Node #0,0,0 Current State: 50:[2, 52], Operations: ['71-53=18', '34+18=52'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,50 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[2, 34, 53, 71], Operations: [] Exploring Operation: 71-53=18, Resulting Numbers: [2, 34, 18] Generated Node #0,0: 50:[2, 34, 18] Operation: 71-53=18 Moving to Node #0,0 Current State: 50:[2, 34, 18], Operations: ['71-53=18'] Exploring Operation: 34+18=52, Resulting Numbers: [2, 52] Generated Node #0,0,0: 50:[2, 52] Operation: 34+18=52 Moving to Node #0,0,0 Current State: 50:[2, 52], Operations: ['71-53=18', '34+18=52'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 70, 14, 33, 55 ]
28
[ "70*33=2310", "2310/55=42", "42-14=28" ]
Current State: 28:[70, 14, 33, 55], Operations: [] Exploring Operation: 70*33=2310, Resulting Numbers: [14, 55, 2310] Generated Node #2: [14, 55, 2310] from Operation: 70*33=2310 Current State: 28:[14, 55, 2310], Operations: ['70*33=2310'] Exploring Operation: 2310/55=42, Resulting Numbers: [14, 42] Generated Node #3: [14, 42] from Operation: 2310/55=42 Current State: 28:[14, 42], Operations: ['70*33=2310', '2310/55=42'] Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[70, 14, 33, 55], Operations: [] Exploring Operation: 70-55=15, Resulting Numbers: [14, 33, 15] Generated Node #0,0: 28:[14, 33, 15] Operation: 70-55=15 Exploring Operation: 70-33=37, Resulting Numbers: [14, 55, 37] Generated Node #0,1: 28:[14, 55, 37] Operation: 70-33=37 Exploring Operation: 70/14=5, Resulting Numbers: [33, 55, 5] Generated Node #0,2: 28:[33, 55, 5] Operation: 70/14=5 Moving to Node #0,0 Current State: 28:[14, 33, 15], Operations: ['70-55=15'] Exploring Operation: 33-15=18, Resulting Numbers: [14, 18] Generated Node #0,0,0: 28:[14, 18] Operation: 33-15=18 Exploring Operation: 14+15=29, Resulting Numbers: [33, 29] Generated Node #0,0,1: 28:[33, 29] Operation: 14+15=29 Exploring Operation: 33-14=19, Resulting Numbers: [15, 19] Generated Node #0,0,2: 28:[15, 19] Operation: 33-14=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[14, 18], Operations: ['70-55=15', '33-15=18'] Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,28 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[33, 29], Operations: ['70-55=15', '14+15=29'] Exploring Operation: 33*29=957, Resulting Numbers: [957] 957,28 unequal: No Solution Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 28:[15, 19], Operations: ['70-55=15', '33-14=19'] Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,28 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,28 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,28 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: 28:[33, 55, 5], Operations: ['70/14=5'] Exploring Operation: 55/5=11, Resulting Numbers: [33, 11] Generated Node #0,2,0: 28:[33, 11] Operation: 55/5=11 Exploring Operation: 33-5=28, Resulting Numbers: [55, 28] Generated Node #0,2,1: 28:[55, 28] Operation: 33-5=28 Exploring Operation: 55-33=22, Resulting Numbers: [5, 22] Generated Node #0,2,2: 28:[5, 22] Operation: 55-33=22 Moving to Node #0,1 Current State: 28:[14, 55, 37], Operations: ['70-33=37'] Exploring Operation: 37-14=23, Resulting Numbers: [55, 23] Generated Node #0,1,0: 28:[55, 23] Operation: 37-14=23 Exploring Operation: 55-14=41, Resulting Numbers: [37, 41] Generated Node #0,1,1: 28:[37, 41] Operation: 55-14=41 Exploring Operation: 55-37=18, Resulting Numbers: [14, 18] Generated Node #0,1,2: 28:[14, 18] Operation: 55-37=18 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 28:[14, 18], Operations: ['70-33=37', '55-37=18'] Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,28 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[37, 41], Operations: ['70-33=37', '55-14=41'] Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 37*41=1517, Resulting Numbers: [1517] 1517,28 unequal: No Solution Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[55, 23], Operations: ['70-33=37', '37-14=23'] Exploring Operation: 55-23=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 55*23=1265, Resulting Numbers: [1265] 1265,28 unequal: No Solution Exploring Operation: 55+23=78, Resulting Numbers: [78] 78,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 28:[5, 22], Operations: ['70/14=5', '55-33=22'] Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,28 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[33, 11], Operations: ['70/14=5', '55/5=11'] Exploring Operation: 33+11=44, Resulting Numbers: [44] 44,28 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,28 unequal: No Solution Moving to Node #0,2,1 Current State: 28:[55, 28], Operations: ['70/14=5', '33-5=28'] Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 55+28=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 55*28=1540, Resulting Numbers: [1540] 1540,28 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 7, 88, 80, 61 ]
45
[ "80-61=19", "7*19=133", "133-88=45" ]
Current State: 45:[7, 88, 80, 61], Operations: [] Exploring Operation: 80-61=19, Resulting Numbers: [7, 88, 19] Generated Node #2: [7, 88, 19] from Operation: 80-61=19 Current State: 45:[7, 88, 19], Operations: ['80-61=19'] Exploring Operation: 7*19=133, Resulting Numbers: [88, 133] Generated Node #3: [88, 133] from Operation: 7*19=133 Current State: 45:[88, 133], Operations: ['80-61=19', '7*19=133'] Exploring Operation: 133-88=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[7, 88, 80, 61], Operations: [] Exploring Operation: 88-61=27, Resulting Numbers: [7, 80, 27] Generated Node #0,0: 45:[7, 80, 27] Operation: 88-61=27 Exploring Operation: 88-80=8, Resulting Numbers: [7, 61, 8] Generated Node #0,1: 45:[7, 61, 8] Operation: 88-80=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[7, 61, 8], Operations: ['88-80=8'] Exploring Operation: 61-8=53, Resulting Numbers: [7, 53] Generated Node #0,1,0: 45:[7, 53] Operation: 61-8=53 Exploring Operation: 61-7=54, Resulting Numbers: [8, 54] Generated Node #0,1,1: 45:[8, 54] Operation: 61-7=54 Moving to Node #0,1,0 Current State: 45:[7, 53], Operations: ['88-80=8', '61-8=53'] Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,45 unequal: No Solution Exploring Operation: 7+53=60, Resulting Numbers: [60] 60,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[8, 54], Operations: ['88-80=8', '61-7=54'] Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,45 unequal: No Solution Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[7, 80, 27], Operations: ['88-61=27'] Exploring Operation: 80-27=53, Resulting Numbers: [7, 53] Generated Node #0,0,0: 45:[7, 53] Operation: 80-27=53 Exploring Operation: 80-7=73, Resulting Numbers: [27, 73] Generated Node #0,0,1: 45:[27, 73] Operation: 80-7=73 Moving to Node #0,0,0 Current State: 45:[7, 53], Operations: ['88-61=27', '80-27=53'] Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,45 unequal: No Solution Exploring Operation: 7+53=60, Resulting Numbers: [60] 60,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[27, 73], Operations: ['88-61=27', '80-7=73'] Exploring Operation: 27+73=100, Resulting Numbers: [100] 100,45 unequal: No Solution Exploring Operation: 73-27=46, Resulting Numbers: [46] 46,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 63, 12, 5, 59 ]
15
[ "63-59=4", "12*5=60", "60/4=15" ]
Current State: 15:[63, 12, 5, 59], Operations: [] Exploring Operation: 63-59=4, Resulting Numbers: [12, 5, 4] Generated Node #2: [12, 5, 4] from Operation: 63-59=4 Current State: 15:[12, 5, 4], Operations: ['63-59=4'] Exploring Operation: 12*5=60, Resulting Numbers: [4, 60] Generated Node #3: [4, 60] from Operation: 12*5=60 Current State: 15:[4, 60], Operations: ['63-59=4', '12*5=60'] Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[63, 12, 5, 59], Operations: [] Exploring Operation: 59-12=47, Resulting Numbers: [63, 5, 47] Generated Node #0,0: 15:[63, 5, 47] Operation: 59-12=47 Exploring Operation: 63-59=4, Resulting Numbers: [12, 5, 4] Generated Node #0,1: 15:[12, 5, 4] Operation: 63-59=4 Exploring Operation: 63-5=58, Resulting Numbers: [12, 59, 58] Generated Node #0,2: 15:[12, 59, 58] Operation: 63-5=58 Exploring Operation: 63-12=51, Resulting Numbers: [5, 59, 51] Generated Node #0,3: 15:[5, 59, 51] Operation: 63-12=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[12, 5, 4], Operations: ['63-59=4'] Exploring Operation: 12+4=16, Resulting Numbers: [5, 16] Generated Node #0,1,0: 15:[5, 16] Operation: 12+4=16 Exploring Operation: 12+5=17, Resulting Numbers: [4, 17] Generated Node #0,1,1: 15:[4, 17] Operation: 12+5=17 Exploring Operation: 12-5=7, Resulting Numbers: [4, 7] Generated Node #0,1,2: 15:[4, 7] Operation: 12-5=7 Exploring Operation: 12/4=3, Resulting Numbers: [5, 3] Generated Node #0,1,3: 15:[5, 3] Operation: 12/4=3 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 15:[5, 3], Operations: ['63-59=4', '12/4=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[63, 12, 5, 59], Operations: [] Exploring Operation: 63-59=4, Resulting Numbers: [12, 5, 4] Generated Node #0,1: 15:[12, 5, 4] Operation: 63-59=4 Moving to Node #0,1 Current State: 15:[12, 5, 4], Operations: ['63-59=4'] Exploring Operation: 12/4=3, Resulting Numbers: [5, 3] Generated Node #0,1,3: 15:[5, 3] Operation: 12/4=3 Moving to Node #0,1,3 Current State: 15:[5, 3], Operations: ['63-59=4', '12/4=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 23, 53, 56, 21 ]
41
[ "23+53=76", "56-21=35", "76-35=41" ]
Current State: 41:[23, 53, 56, 21], Operations: [] Exploring Operation: 23+53=76, Resulting Numbers: [56, 21, 76] Generated Node #2: [56, 21, 76] from Operation: 23+53=76 Current State: 41:[56, 21, 76], Operations: ['23+53=76'] Exploring Operation: 56-21=35, Resulting Numbers: [76, 35] Generated Node #3: [76, 35] from Operation: 56-21=35 Current State: 41:[76, 35], Operations: ['23+53=76', '56-21=35'] Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[23, 53, 56, 21], Operations: [] Exploring Operation: 23+21=44, Resulting Numbers: [53, 56, 44] Generated Node #0,0: 41:[53, 56, 44] Operation: 23+21=44 Exploring Operation: 56-21=35, Resulting Numbers: [23, 53, 35] Generated Node #0,1: 41:[23, 53, 35] Operation: 56-21=35 Exploring Operation: 53-21=32, Resulting Numbers: [23, 56, 32] Generated Node #0,2: 41:[23, 56, 32] Operation: 53-21=32 Exploring Operation: 56-23=33, Resulting Numbers: [53, 21, 33] Generated Node #0,3: 41:[53, 21, 33] Operation: 56-23=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[53, 56, 44], Operations: ['23+21=44'] Exploring Operation: 53-44=9, Resulting Numbers: [56, 9] Generated Node #0,0,0: 41:[56, 9] Operation: 53-44=9 Exploring Operation: 56-44=12, Resulting Numbers: [53, 12] Generated Node #0,0,1: 41:[53, 12] Operation: 56-44=12 Exploring Operation: 53+56=109, Resulting Numbers: [44, 109] Generated Node #0,0,2: 41:[44, 109] Operation: 53+56=109 Exploring Operation: 56-53=3, Resulting Numbers: [44, 3] Generated Node #0,0,3: 41:[44, 3] Operation: 56-53=3 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 41:[53, 12], Operations: ['23+21=44', '56-44=12'] Exploring Operation: 53*12=636, Resulting Numbers: [636] 636,41 unequal: No Solution Exploring Operation: 53+12=65, Resulting Numbers: [65] 65,41 unequal: No Solution Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[23, 53, 56, 21], Operations: [] Exploring Operation: 23+21=44, Resulting Numbers: [53, 56, 44] Generated Node #0,0: 41:[53, 56, 44] Operation: 23+21=44 Moving to Node #0,0 Current State: 41:[53, 56, 44], Operations: ['23+21=44'] Exploring Operation: 56-44=12, Resulting Numbers: [53, 12] Generated Node #0,0,1: 41:[53, 12] Operation: 56-44=12 Moving to Node #0,0,1 Current State: 41:[53, 12], Operations: ['23+21=44', '56-44=12'] Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 54, 16, 26, 83 ]
48
[ "54+26=80", "83-80=3", "16*3=48" ]
Current State: 48:[54, 16, 26, 83], Operations: [] Exploring Operation: 54+26=80, Resulting Numbers: [16, 83, 80] Generated Node #2: [16, 83, 80] from Operation: 54+26=80 Current State: 48:[16, 83, 80], Operations: ['54+26=80'] Exploring Operation: 83-80=3, Resulting Numbers: [16, 3] Generated Node #3: [16, 3] from Operation: 83-80=3 Current State: 48:[16, 3], Operations: ['54+26=80', '83-80=3'] Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[54, 16, 26, 83], Operations: [] Exploring Operation: 54-26=28, Resulting Numbers: [16, 83, 28] Generated Node #0,0: 48:[16, 83, 28] Operation: 54-26=28 Exploring Operation: 83-54=29, Resulting Numbers: [16, 26, 29] Generated Node #0,1: 48:[16, 26, 29] Operation: 83-54=29 Exploring Operation: 83-26=57, Resulting Numbers: [54, 16, 57] Generated Node #0,2: 48:[54, 16, 57] Operation: 83-26=57 Exploring Operation: 83-16=67, Resulting Numbers: [54, 26, 67] Generated Node #0,3: 48:[54, 26, 67] Operation: 83-16=67 Moving to Node #0,1 Current State: 48:[16, 26, 29], Operations: ['83-54=29'] Exploring Operation: 29-16=13, Resulting Numbers: [26, 13] Generated Node #0,1,0: 48:[26, 13] Operation: 29-16=13 Exploring Operation: 29-26=3, Resulting Numbers: [16, 3] Generated Node #0,1,1: 48:[16, 3] Operation: 29-26=3 Exploring Operation: 26-16=10, Resulting Numbers: [29, 10] Generated Node #0,1,2: 48:[29, 10] Operation: 26-16=10 Exploring Operation: 16+29=45, Resulting Numbers: [26, 45] Generated Node #0,1,3: 48:[26, 45] Operation: 16+29=45 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[16, 3], Operations: ['83-54=29', '29-26=3'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[54, 16, 26, 83], Operations: [] Exploring Operation: 83-54=29, Resulting Numbers: [16, 26, 29] Generated Node #0,1: 48:[16, 26, 29] Operation: 83-54=29 Moving to Node #0,1 Current State: 48:[16, 26, 29], Operations: ['83-54=29'] Exploring Operation: 29-26=3, Resulting Numbers: [16, 3] Generated Node #0,1,1: 48:[16, 3] Operation: 29-26=3 Moving to Node #0,1,1 Current State: 48:[16, 3], Operations: ['83-54=29', '29-26=3'] Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 4, 5, 3, 49 ]
42
[ "4*3=12", "5+49=54", "54-12=42" ]
Current State: 42:[4, 5, 3, 49], Operations: [] Exploring Operation: 4*3=12, Resulting Numbers: [5, 49, 12] Generated Node #2: [5, 49, 12] from Operation: 4*3=12 Current State: 42:[5, 49, 12], Operations: ['4*3=12'] Exploring Operation: 5+49=54, Resulting Numbers: [12, 54] Generated Node #3: [12, 54] from Operation: 5+49=54 Current State: 42:[12, 54], Operations: ['4*3=12', '5+49=54'] Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[4, 5, 3, 49], Operations: [] Exploring Operation: 49-4=45, Resulting Numbers: [5, 3, 45] Generated Node #0,0: 42:[5, 3, 45] Operation: 49-4=45 Exploring Operation: 49-5=44, Resulting Numbers: [4, 3, 44] Generated Node #0,1: 42:[4, 3, 44] Operation: 49-5=44 Moving to Node #0,1 Current State: 42:[4, 3, 44], Operations: ['49-5=44'] Exploring Operation: 4+3=7, Resulting Numbers: [44, 7] Generated Node #0,1,0: 42:[44, 7] Operation: 4+3=7 Exploring Operation: 44-4=40, Resulting Numbers: [3, 40] Generated Node #0,1,1: 42:[3, 40] Operation: 44-4=40 Moving to Node #0,0 Current State: 42:[5, 3, 45], Operations: ['49-4=45'] Exploring Operation: 45-5=40, Resulting Numbers: [3, 40] Generated Node #0,0,0: 42:[3, 40] Operation: 45-5=40 Exploring Operation: 45-3=42, Resulting Numbers: [5, 42] Generated Node #0,0,1: 42:[5, 42] Operation: 45-3=42 Moving to Node #0,0,1 Current State: 42:[5, 42], Operations: ['49-4=45', '45-3=42'] Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,42 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,42 unequal: No Solution Moving to Node #0,1,0 Current State: 42:[44, 7], Operations: ['49-5=44', '4+3=7'] Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,42 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[3, 40], Operations: ['49-5=44', '44-4=40'] Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[3, 40], Operations: ['49-4=45', '45-5=40'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,42 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 37, 27, 53, 71 ]
82
[ "37+27=64", "71-53=18", "64+18=82" ]
Current State: 82:[37, 27, 53, 71], Operations: [] Exploring Operation: 37+27=64, Resulting Numbers: [53, 71, 64] Generated Node #2: [53, 71, 64] from Operation: 37+27=64 Current State: 82:[53, 71, 64], Operations: ['37+27=64'] Exploring Operation: 71-53=18, Resulting Numbers: [64, 18] Generated Node #3: [64, 18] from Operation: 71-53=18 Current State: 82:[64, 18], Operations: ['37+27=64', '71-53=18'] Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[37, 27, 53, 71], Operations: [] Exploring Operation: 27+53=80, Resulting Numbers: [37, 71, 80] Generated Node #0,0: 82:[37, 71, 80] Operation: 27+53=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[37, 71, 80], Operations: ['27+53=80'] Exploring Operation: 71-37=34, Resulting Numbers: [80, 34] Generated Node #0,0,0: 82:[80, 34] Operation: 71-37=34 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[80, 34], Operations: ['27+53=80', '71-37=34'] Exploring Operation: 80-34=46, Resulting Numbers: [46] 46,82 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 No solution found.
0
hs_1
mult_heuristic
[ 59, 42, 8, 73 ]
20
[ "59+42=101", "8+73=81", "101-81=20" ]
Current State: 20:[59, 42, 8, 73], Operations: [] Exploring Operation: 59+42=101, Resulting Numbers: [8, 73, 101] Generated Node #2: [8, 73, 101] from Operation: 59+42=101 Current State: 20:[8, 73, 101], Operations: ['59+42=101'] Exploring Operation: 8+73=81, Resulting Numbers: [101, 81] Generated Node #3: [101, 81] from Operation: 8+73=81 Current State: 20:[101, 81], Operations: ['59+42=101', '8+73=81'] Exploring Operation: 101-81=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[59, 42, 8, 73], Operations: [] Exploring Operation: 73-59=14, Resulting Numbers: [42, 8, 14] Generated Node #0,0: 20:[42, 8, 14] Operation: 73-59=14 Moving to Node #0,0 Current State: 20:[42, 8, 14], Operations: ['73-59=14'] Exploring Operation: 42/14=3, Resulting Numbers: [8, 3] Generated Node #0,0,0: 20:[8, 3] Operation: 42/14=3 Moving to Node #0,0,0 Current State: 20:[8, 3], Operations: ['73-59=14', '42/14=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,20 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 27, 16, 49, 70 ]
47
[ "70-16=54", "54/27=2", "49-2=47" ]
Current State: 47:[27, 16, 49, 70], Operations: [] Exploring Operation: 70-16=54, Resulting Numbers: [27, 49, 54] Generated Node #2: [27, 49, 54] from Operation: 70-16=54 Current State: 47:[27, 49, 54], Operations: ['70-16=54'] Exploring Operation: 54/27=2, Resulting Numbers: [49, 2] Generated Node #3: [49, 2] from Operation: 54/27=2 Current State: 47:[49, 2], Operations: ['70-16=54', '54/27=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[27, 16, 49, 70], Operations: [] Exploring Operation: 49-16=33, Resulting Numbers: [27, 70, 33] Generated Node #0,0: 47:[27, 70, 33] Operation: 49-16=33 Exploring Operation: 70-16=54, Resulting Numbers: [27, 49, 54] Generated Node #0,1: 47:[27, 49, 54] Operation: 70-16=54 Exploring Operation: 27+16=43, Resulting Numbers: [49, 70, 43] Generated Node #0,2: 47:[49, 70, 43] Operation: 27+16=43 Exploring Operation: 27-16=11, Resulting Numbers: [49, 70, 11] Generated Node #0,3: 47:[49, 70, 11] Operation: 27-16=11 Exploring Operation: 70-27=43, Resulting Numbers: [16, 49, 43] Generated Node #0,4: 47:[16, 49, 43] Operation: 70-27=43 Moving to Node #0,1 Current State: 47:[27, 49, 54], Operations: ['70-16=54'] Exploring Operation: 49-27=22, Resulting Numbers: [54, 22] Generated Node #0,1,0: 47:[54, 22] Operation: 49-27=22 Exploring Operation: 27+54=81, Resulting Numbers: [49, 81] Generated Node #0,1,1: 47:[49, 81] Operation: 27+54=81 Exploring Operation: 27+49=76, Resulting Numbers: [54, 76] Generated Node #0,1,2: 47:[54, 76] Operation: 27+49=76 Exploring Operation: 54/27=2, Resulting Numbers: [49, 2] Generated Node #0,1,3: 47:[49, 2] Operation: 54/27=2 Exploring Operation: 54-27=27, Resulting Numbers: [49, 27] Generated Node #0,1,4: 47:[49, 27] Operation: 54-27=27 Moving to Node #0,2 Current State: 47:[49, 70, 43], Operations: ['27+16=43'] Exploring Operation: 49+43=92, Resulting Numbers: [70, 92] Generated Node #0,2,0: 47:[70, 92] Operation: 49+43=92 Exploring Operation: 70+43=113, Resulting Numbers: [49, 113] Generated Node #0,2,1: 47:[49, 113] Operation: 70+43=113 Exploring Operation: 70-49=21, Resulting Numbers: [43, 21] Generated Node #0,2,2: 47:[43, 21] Operation: 70-49=21 Exploring Operation: 49-43=6, Resulting Numbers: [70, 6] Generated Node #0,2,3: 47:[70, 6] Operation: 49-43=6 Exploring Operation: 70-43=27, Resulting Numbers: [49, 27] Generated Node #0,2,4: 47:[49, 27] Operation: 70-43=27 Moving to Node #0,4 Current State: 47:[16, 49, 43], Operations: ['70-27=43'] Exploring Operation: 49-43=6, Resulting Numbers: [16, 6] Generated Node #0,4,0: 47:[16, 6] Operation: 49-43=6 Exploring Operation: 16+43=59, Resulting Numbers: [49, 59] Generated Node #0,4,1: 47:[49, 59] Operation: 16+43=59 Exploring Operation: 43-16=27, Resulting Numbers: [49, 27] Generated Node #0,4,2: 47:[49, 27] Operation: 43-16=27 Exploring Operation: 16+49=65, Resulting Numbers: [43, 65] Generated Node #0,4,3: 47:[43, 65] Operation: 16+49=65 Exploring Operation: 49-16=33, Resulting Numbers: [43, 33] Generated Node #0,4,4: 47:[43, 33] Operation: 49-16=33 Moving to Node #0,0 Current State: 47:[27, 70, 33], Operations: ['49-16=33'] Exploring Operation: 27+33=60, Resulting Numbers: [70, 60] Generated Node #0,0,0: 47:[70, 60] Operation: 27+33=60 Exploring Operation: 33-27=6, Resulting Numbers: [70, 6] Generated Node #0,0,1: 47:[70, 6] Operation: 33-27=6 Exploring Operation: 70-27=43, Resulting Numbers: [33, 43] Generated Node #0,0,2: 47:[33, 43] Operation: 70-27=43 Exploring Operation: 70-33=37, Resulting Numbers: [27, 37] Generated Node #0,0,3: 47:[27, 37] Operation: 70-33=37 Exploring Operation: 27+70=97, Resulting Numbers: [33, 97] Generated Node #0,0,4: 47:[33, 97] Operation: 27+70=97 Moving to Node #0,3 Current State: 47:[49, 70, 11], Operations: ['27-16=11'] Exploring Operation: 49-11=38, Resulting Numbers: [70, 38] Generated Node #0,3,0: 47:[70, 38] Operation: 49-11=38 Exploring Operation: 70-49=21, Resulting Numbers: [11, 21] Generated Node #0,3,1: 47:[11, 21] Operation: 70-49=21 Exploring Operation: 70-11=59, Resulting Numbers: [49, 59] Generated Node #0,3,2: 47:[49, 59] Operation: 70-11=59 Exploring Operation: 49+11=60, Resulting Numbers: [70, 60] Generated Node #0,3,3: 47:[70, 60] Operation: 49+11=60 Exploring Operation: 70+11=81, Resulting Numbers: [49, 81] Generated Node #0,3,4: 47:[49, 81] Operation: 70+11=81 Moving to Node #0,4,1 Current State: 47:[49, 59], Operations: ['70-27=43', '16+43=59'] Exploring Operation: 49+59=108, Resulting Numbers: [108] 108,47 unequal: No Solution Exploring Operation: 49*59=2891, Resulting Numbers: [2891] 2891,47 unequal: No Solution Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,47 unequal: No Solution Moving to Node #0,3,2 Current State: 47:[49, 59], Operations: ['27-16=11', '70-11=59'] Exploring Operation: 49+59=108, Resulting Numbers: [108] 108,47 unequal: No Solution Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,47 unequal: No Solution Exploring Operation: 49*59=2891, Resulting Numbers: [2891] 2891,47 unequal: No Solution Moving to Node #0,4,4 Current State: 47:[43, 33], Operations: ['70-27=43', '49-16=33'] Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,47 unequal: No Solution Exploring Operation: 43+33=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 43*33=1419, Resulting Numbers: [1419] 1419,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[33, 43], Operations: ['49-16=33', '70-27=43'] Exploring Operation: 33+43=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,47 unequal: No Solution Exploring Operation: 33*43=1419, Resulting Numbers: [1419] 1419,47 unequal: No Solution Moving to Node #0,4,3 Current State: 47:[43, 65], Operations: ['70-27=43', '16+49=65'] Exploring Operation: 43*65=2795, Resulting Numbers: [2795] 2795,47 unequal: No Solution Exploring Operation: 43+65=108, Resulting Numbers: [108] 108,47 unequal: No Solution Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,47 unequal: No Solution Moving to Node #0,2,4 Current State: 47:[49, 27], Operations: ['27+16=43', '70-43=27'] Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 49*27=1323, Resulting Numbers: [1323] 1323,47 unequal: No Solution Exploring Operation: 49+27=76, Resulting Numbers: [76] 76,47 unequal: No Solution Moving to Node #0,4,2 Current State: 47:[49, 27], Operations: ['70-27=43', '43-16=27'] Exploring Operation: 49*27=1323, Resulting Numbers: [1323] 1323,47 unequal: No Solution Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 49+27=76, Resulting Numbers: [76] 76,47 unequal: No Solution Moving to Node #0,1,4 Current State: 47:[49, 27], Operations: ['70-16=54', '54-27=27'] Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 49+27=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 49*27=1323, Resulting Numbers: [1323] 1323,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[43, 21], Operations: ['27+16=43', '70-49=21'] Exploring Operation: 43*21=903, Resulting Numbers: [903] 903,47 unequal: No Solution Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 43+21=64, Resulting Numbers: [64] 64,47 unequal: No Solution Moving to Node #0,0,3 Current State: 47:[27, 37], Operations: ['49-16=33', '70-33=37'] Exploring Operation: 27+37=64, Resulting Numbers: [64] 64,47 unequal: No Solution Exploring Operation: 27*37=999, Resulting Numbers: [999] 999,47 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,47 unequal: No Solution Moving to Node #0,3,0 Current State: 47:[70, 38], Operations: ['27-16=11', '49-11=38'] Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 70+38=108, Resulting Numbers: [108] 108,47 unequal: No Solution Exploring Operation: 70*38=2660, Resulting Numbers: [2660] 2660,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[54, 22], Operations: ['70-16=54', '49-27=22'] Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 54+22=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 54*22=1188, Resulting Numbers: [1188] 1188,47 unequal: No Solution Moving to Node #0,3,4 Current State: 47:[49, 81], Operations: ['27-16=11', '70+11=81'] Exploring Operation: 49+81=130, Resulting Numbers: [130] 130,47 unequal: No Solution Exploring Operation: 49*81=3969, Resulting Numbers: [3969] 3969,47 unequal: No Solution Exploring Operation: 81-49=32, Resulting Numbers: [32] 32,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[49, 81], Operations: ['70-16=54', '27+54=81'] Exploring Operation: 49*81=3969, Resulting Numbers: [3969] 3969,47 unequal: No Solution Exploring Operation: 49+81=130, Resulting Numbers: [130] 130,47 unequal: No Solution Exploring Operation: 81-49=32, Resulting Numbers: [32] 32,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[70, 60], Operations: ['27-16=11', '49+11=60'] Exploring Operation: 70*60=4200, Resulting Numbers: [4200] 4200,47 unequal: No Solution Exploring Operation: 70+60=130, Resulting Numbers: [130] 130,47 unequal: No Solution Exploring Operation: 70-60=10, Resulting Numbers: [10] 10,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[70, 60], Operations: ['49-16=33', '27+33=60'] Exploring Operation: 70*60=4200, Resulting Numbers: [4200] 4200,47 unequal: No Solution Exploring Operation: 70+60=130, Resulting Numbers: [130] 130,47 unequal: No Solution Exploring Operation: 70-60=10, Resulting Numbers: [10] 10,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[54, 76], Operations: ['70-16=54', '27+49=76'] Exploring Operation: 54*76=4104, Resulting Numbers: [4104] 4104,47 unequal: No Solution Exploring Operation: 54+76=130, Resulting Numbers: [130] 130,47 unequal: No Solution Exploring Operation: 76-54=22, Resulting Numbers: [22] 22,47 unequal: No Solution Moving to Node #0,1,3 Current State: 47:[49, 2], Operations: ['70-16=54', '54/27=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[27, 16, 49, 70], Operations: [] Exploring Operation: 70-16=54, Resulting Numbers: [27, 49, 54] Generated Node #0,1: 47:[27, 49, 54] Operation: 70-16=54 Moving to Node #0,1 Current State: 47:[27, 49, 54], Operations: ['70-16=54'] Exploring Operation: 54/27=2, Resulting Numbers: [49, 2] Generated Node #0,1,3: 47:[49, 2] Operation: 54/27=2 Moving to Node #0,1,3 Current State: 47:[49, 2], Operations: ['70-16=54', '54/27=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
0.925347
hs_5
sum_heuristic
[ 60, 78, 42, 30 ]
10
[ "78-42=36", "36-30=6", "60/6=10" ]
Current State: 10:[60, 78, 42, 30], Operations: [] Exploring Operation: 78-42=36, Resulting Numbers: [60, 30, 36] Generated Node #2: [60, 30, 36] from Operation: 78-42=36 Current State: 10:[60, 30, 36], Operations: ['78-42=36'] Exploring Operation: 36-30=6, Resulting Numbers: [60, 6] Generated Node #3: [60, 6] from Operation: 36-30=6 Current State: 10:[60, 6], Operations: ['78-42=36', '36-30=6'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[60, 78, 42, 30], Operations: [] Exploring Operation: 78-42=36, Resulting Numbers: [60, 30, 36] Generated Node #0,0: 10:[60, 30, 36] Operation: 78-42=36 Exploring Operation: 78-60=18, Resulting Numbers: [42, 30, 18] Generated Node #0,1: 10:[42, 30, 18] Operation: 78-60=18 Exploring Operation: 60-42=18, Resulting Numbers: [78, 30, 18] Generated Node #0,2: 10:[78, 30, 18] Operation: 60-42=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[42, 30, 18], Operations: ['78-60=18'] Exploring Operation: 30-18=12, Resulting Numbers: [42, 12] Generated Node #0,1,0: 10:[42, 12] Operation: 30-18=12 Exploring Operation: 42-18=24, Resulting Numbers: [30, 24] Generated Node #0,1,1: 10:[30, 24] Operation: 42-18=24 Exploring Operation: 42-30=12, Resulting Numbers: [18, 12] Generated Node #0,1,2: 10:[18, 12] Operation: 42-30=12 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 10:[18, 12], Operations: ['78-60=18', '42-30=12'] Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,10 unequal: No Solution No 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: 10:[42, 12], Operations: ['78-60=18', '30-18=12'] Exploring Operation: 42*12=504, Resulting Numbers: [504] 504,10 unequal: No Solution Exploring Operation: 42+12=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,10 unequal: No Solution No 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: 10:[30, 24], Operations: ['78-60=18', '42-18=24'] Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,10 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,10 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: 10:[60, 30, 36], Operations: ['78-42=36'] Exploring Operation: 60/30=2, Resulting Numbers: [36, 2] Generated Node #0,0,0: 10:[36, 2] Operation: 60/30=2 Exploring Operation: 60-30=30, Resulting Numbers: [36, 30] Generated Node #0,0,1: 10:[36, 30] Operation: 60-30=30 Exploring Operation: 60-36=24, Resulting Numbers: [30, 24] Generated Node #0,0,2: 10:[30, 24] Operation: 60-36=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[36, 2], Operations: ['78-42=36', '60/30=2'] Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,10 unequal: No Solution No 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: 10:[30, 24], Operations: ['78-42=36', '60-36=24'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,10 unequal: No Solution Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,10 unequal: No Solution No 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: 10:[36, 30], Operations: ['78-42=36', '60-30=30'] Exploring Operation: 36*30=1080, Resulting Numbers: [1080] 1080,10 unequal: No Solution Exploring Operation: 36+30=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,10 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: 10:[78, 30, 18], Operations: ['60-42=18'] Exploring Operation: 78-18=60, Resulting Numbers: [30, 60] Generated Node #0,2,0: 10:[30, 60] Operation: 78-18=60 Exploring Operation: 30-18=12, Resulting Numbers: [78, 12] Generated Node #0,2,1: 10:[78, 12] Operation: 30-18=12 Exploring Operation: 78-30=48, Resulting Numbers: [18, 48] Generated Node #0,2,2: 10:[18, 48] Operation: 78-30=48 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 10:[18, 48], Operations: ['60-42=18', '78-30=48'] Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 18+48=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 18*48=864, Resulting Numbers: [864] 864,10 unequal: No Solution No 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: 10:[30, 60], Operations: ['60-42=18', '78-18=60'] Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 60/30=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 30+60=90, Resulting Numbers: [90] 90,10 unequal: No Solution No 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: 10:[78, 12], Operations: ['60-42=18', '30-18=12'] Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 78*12=936, Resulting Numbers: [936] 936,10 unequal: No Solution Exploring Operation: 78+12=90, Resulting Numbers: [90] 90,10 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
[ 60, 24, 31, 6 ]
30
[ "60-24=36", "36-31=5", "6*5=30" ]
Current State: 30:[60, 24, 31, 6], Operations: [] Exploring Operation: 60-24=36, Resulting Numbers: [31, 6, 36] Generated Node #2: [31, 6, 36] from Operation: 60-24=36 Current State: 30:[31, 6, 36], Operations: ['60-24=36'] Exploring Operation: 36-31=5, Resulting Numbers: [6, 5] Generated Node #3: [6, 5] from Operation: 36-31=5 Current State: 30:[6, 5], Operations: ['60-24=36', '36-31=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[60, 24, 31, 6], Operations: [] Exploring Operation: 60-24=36, Resulting Numbers: [31, 6, 36] Generated Node #0,0: 30:[31, 6, 36] Operation: 60-24=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[31, 6, 36], Operations: ['60-24=36'] Exploring Operation: 36-31=5, Resulting Numbers: [6, 5] Generated Node #0,0,0: 30:[6, 5] Operation: 36-31=5 Moving to Node #0,0,0 Current State: 30:[6, 5], Operations: ['60-24=36', '36-31=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[60, 24, 31, 6], Operations: [] Exploring Operation: 60-24=36, Resulting Numbers: [31, 6, 36] Generated Node #0,0: 30:[31, 6, 36] Operation: 60-24=36 Moving to Node #0,0 Current State: 30:[31, 6, 36], Operations: ['60-24=36'] Exploring Operation: 36-31=5, Resulting Numbers: [6, 5] Generated Node #0,0,0: 30:[6, 5] Operation: 36-31=5 Moving to Node #0,0,0 Current State: 30:[6, 5], Operations: ['60-24=36', '36-31=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 84, 21, 75, 21 ]
10
[ "84-75=9", "21/21=1", "9+1=10" ]
Current State: 10:[84, 21, 75, 21], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [21, 21, 9] Generated Node #2: [21, 21, 9] from Operation: 84-75=9 Current State: 10:[21, 21, 9], Operations: ['84-75=9'] Exploring Operation: 21/21=1, Resulting Numbers: [9, 1] Generated Node #3: [9, 1] from Operation: 21/21=1 Current State: 10:[9, 1], Operations: ['84-75=9', '21/21=1'] Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[84, 21, 75, 21], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [75, 21, 4] Generated Node #0,0: 10:[75, 21, 4] Operation: 84/21=4 Exploring Operation: 84-21=63, Resulting Numbers: [75, 21, 63] Generated Node #0,1: 10:[75, 21, 63] Operation: 84-21=63 Exploring Operation: 84-75=9, Resulting Numbers: [21, 21, 9] Generated Node #0,2: 10:[21, 21, 9] Operation: 84-75=9 Exploring Operation: 84/21=4, Resulting Numbers: [21, 75, 4] Generated Node #0,3: 10:[21, 75, 4] Operation: 84/21=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[21, 21, 9], Operations: ['84-75=9'] Exploring Operation: 21-21=0, Resulting Numbers: [9, 0] Generated Node #0,2,0: 10:[9, 0] Operation: 21-21=0 Exploring Operation: 21/21=1, Resulting Numbers: [9, 1] Generated Node #0,2,1: 10:[9, 1] Operation: 21/21=1 Exploring Operation: 21-9=12, Resulting Numbers: [21, 12] Generated Node #0,2,2: 10:[21, 12] Operation: 21-9=12 Exploring Operation: 21-9=12, Resulting Numbers: [21, 12] Generated Node #0,2,3: 10:[21, 12] Operation: 21-9=12 Moving to Node #0,2,1 Current State: 10:[9, 1], Operations: ['84-75=9', '21/21=1'] Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,10 unequal: No Solution Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[84, 21, 75, 21], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [21, 21, 9] Generated Node #0,2: 10:[21, 21, 9] Operation: 84-75=9 Moving to Node #0,2 Current State: 10:[21, 21, 9], Operations: ['84-75=9'] Exploring Operation: 21/21=1, Resulting Numbers: [9, 1] Generated Node #0,2,1: 10:[9, 1] Operation: 21/21=1 Moving to Node #0,2,1 Current State: 10:[9, 1], Operations: ['84-75=9', '21/21=1'] Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 55, 9, 7, 89 ]
58
[ "55*9=495", "495-89=406", "406/7=58" ]
Current State: 58:[55, 9, 7, 89], Operations: [] Exploring Operation: 55*9=495, Resulting Numbers: [7, 89, 495] Generated Node #2: [7, 89, 495] from Operation: 55*9=495 Current State: 58:[7, 89, 495], Operations: ['55*9=495'] Exploring Operation: 495-89=406, Resulting Numbers: [7, 406] Generated Node #3: [7, 406] from Operation: 495-89=406 Current State: 58:[7, 406], Operations: ['55*9=495', '495-89=406'] Exploring Operation: 406/7=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[55, 9, 7, 89], Operations: [] Exploring Operation: 89-9=80, Resulting Numbers: [55, 7, 80] Generated Node #0,0: 58:[55, 7, 80] Operation: 89-9=80 Exploring Operation: 9-7=2, Resulting Numbers: [55, 89, 2] Generated Node #0,1: 58:[55, 89, 2] Operation: 9-7=2 Exploring Operation: 89-55=34, Resulting Numbers: [9, 7, 34] Generated Node #0,2: 58:[9, 7, 34] Operation: 89-55=34 Exploring Operation: 89-7=82, Resulting Numbers: [55, 9, 82] Generated Node #0,3: 58:[55, 9, 82] Operation: 89-7=82 Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[9, 7, 34], Operations: ['89-55=34'] Exploring Operation: 34-9=25, Resulting Numbers: [7, 25] Generated Node #0,2,0: 58:[7, 25] Operation: 34-9=25 Exploring Operation: 34-7=27, Resulting Numbers: [9, 27] Generated Node #0,2,1: 58:[9, 27] Operation: 34-7=27 Exploring Operation: 9*7=63, Resulting Numbers: [34, 63] Generated Node #0,2,2: 58:[34, 63] Operation: 9*7=63 Exploring Operation: 9-7=2, Resulting Numbers: [34, 2] Generated Node #0,2,3: 58:[34, 2] Operation: 9-7=2 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 58:[34, 2], Operations: ['89-55=34', '9-7=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,58 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,58 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 58:[7, 25], Operations: ['89-55=34', '34-9=25'] Exploring Operation: 7*25=175, Resulting Numbers: [175] 175,58 unequal: No Solution Exploring Operation: 7+25=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 58:[9, 27], Operations: ['89-55=34', '34-7=27'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 9*27=243, Resulting Numbers: [243] 243,58 unequal: No Solution Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 58:[34, 63], Operations: ['89-55=34', '9*7=63'] Exploring Operation: 63-34=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 34+63=97, Resulting Numbers: [97] 97,58 unequal: No Solution Exploring Operation: 34*63=2142, Resulting Numbers: [2142] 2142,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[55, 7, 80], Operations: ['89-9=80'] Exploring Operation: 80-55=25, Resulting Numbers: [7, 25] Generated Node #0,0,0: 58:[7, 25] Operation: 80-55=25 Exploring Operation: 80-7=73, Resulting Numbers: [55, 73] Generated Node #0,0,1: 58:[55, 73] Operation: 80-7=73 Exploring Operation: 55-7=48, Resulting Numbers: [80, 48] Generated Node #0,0,2: 58:[80, 48] Operation: 55-7=48 Exploring Operation: 55+7=62, Resulting Numbers: [80, 62] Generated Node #0,0,3: 58:[80, 62] Operation: 55+7=62 Moving to Node #0,0,0 Current State: 58:[7, 25], Operations: ['89-9=80', '80-55=25'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 7+25=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 7*25=175, Resulting Numbers: [175] 175,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[55, 73], Operations: ['89-9=80', '80-7=73'] Exploring Operation: 55*73=4015, Resulting Numbers: [4015] 4015,58 unequal: No Solution Exploring Operation: 55+73=128, Resulting Numbers: [128] 128,58 unequal: No Solution Exploring Operation: 73-55=18, Resulting Numbers: [18] 18,58 unequal: No Solution Moving to Node #0,0,3 Current State: 58:[80, 62], Operations: ['89-9=80', '55+7=62'] Exploring Operation: 80+62=142, Resulting Numbers: [142] 142,58 unequal: No Solution Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 80*62=4960, Resulting Numbers: [4960] 4960,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[80, 48], Operations: ['89-9=80', '55-7=48'] Exploring Operation: 80+48=128, Resulting Numbers: [128] 128,58 unequal: No Solution Exploring Operation: 80*48=3840, Resulting Numbers: [3840] 3840,58 unequal: No Solution Exploring Operation: 80-48=32, Resulting Numbers: [32] 32,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[55, 89, 2], Operations: ['9-7=2'] Exploring Operation: 55+2=57, Resulting Numbers: [89, 57] Generated Node #0,1,0: 58:[89, 57] Operation: 55+2=57 Exploring Operation: 55-2=53, Resulting Numbers: [89, 53] Generated Node #0,1,1: 58:[89, 53] Operation: 55-2=53 Exploring Operation: 89-2=87, Resulting Numbers: [55, 87] Generated Node #0,1,2: 58:[55, 87] Operation: 89-2=87 Exploring Operation: 89-55=34, Resulting Numbers: [2, 34] Generated Node #0,1,3: 58:[2, 34] Operation: 89-55=34 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 58:[2, 34], Operations: ['9-7=2', '89-55=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,58 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 58:[89, 57], Operations: ['9-7=2', '55+2=57'] Exploring Operation: 89*57=5073, Resulting Numbers: [5073] 5073,58 unequal: No Solution Exploring Operation: 89+57=146, Resulting Numbers: [146] 146,58 unequal: No Solution Exploring Operation: 89-57=32, Resulting Numbers: [32] 32,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 58:[55, 87], Operations: ['9-7=2', '89-2=87'] Exploring Operation: 87-55=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 55*87=4785, Resulting Numbers: [4785] 4785,58 unequal: No Solution Exploring Operation: 55+87=142, Resulting Numbers: [142] 142,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 58:[89, 53], Operations: ['9-7=2', '55-2=53'] Exploring Operation: 89+53=142, Resulting Numbers: [142] 142,58 unequal: No Solution Exploring Operation: 89*53=4717, Resulting Numbers: [4717] 4717,58 unequal: No Solution Exploring Operation: 89-53=36, Resulting Numbers: [36] 36,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[55, 9, 82], Operations: ['89-7=82'] Exploring Operation: 55-9=46, Resulting Numbers: [82, 46] Generated Node #0,3,0: 58:[82, 46] Operation: 55-9=46 Exploring Operation: 55+9=64, Resulting Numbers: [82, 64] Generated Node #0,3,1: 58:[82, 64] Operation: 55+9=64 Exploring Operation: 82-55=27, Resulting Numbers: [9, 27] Generated Node #0,3,2: 58:[9, 27] Operation: 82-55=27 Exploring Operation: 82-9=73, Resulting Numbers: [55, 73] Generated Node #0,3,3: 58:[55, 73] Operation: 82-9=73 Moving to Node #0,3,2 Current State: 58:[9, 27], Operations: ['89-7=82', '82-55=27'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 9+27=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 9*27=243, Resulting Numbers: [243] 243,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[55, 73], Operations: ['89-7=82', '82-9=73'] Exploring Operation: 55+73=128, Resulting Numbers: [128] 128,58 unequal: No Solution Exploring Operation: 55*73=4015, Resulting Numbers: [4015] 4015,58 unequal: No Solution Exploring Operation: 73-55=18, Resulting Numbers: [18] 18,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[82, 64], Operations: ['89-7=82', '55+9=64'] Exploring Operation: 82+64=146, Resulting Numbers: [146] 146,58 unequal: No Solution Exploring Operation: 82-64=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 82*64=5248, Resulting Numbers: [5248] 5248,58 unequal: No Solution Moving to Node #0,3,0 Current State: 58:[82, 46], Operations: ['89-7=82', '55-9=46'] Exploring Operation: 82-46=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 82*46=3772, Resulting Numbers: [3772] 3772,58 unequal: No Solution Exploring Operation: 82+46=128, Resulting Numbers: [128] 128,58 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
[ 70, 61, 77, 39 ]
20
[ "61-39=22", "70*22=1540", "1540/77=20" ]
Current State: 20:[70, 61, 77, 39], Operations: [] Exploring Operation: 61-39=22, Resulting Numbers: [70, 77, 22] Generated Node #2: [70, 77, 22] from Operation: 61-39=22 Current State: 20:[70, 77, 22], Operations: ['61-39=22'] Exploring Operation: 70*22=1540, Resulting Numbers: [77, 1540] Generated Node #3: [77, 1540] from Operation: 70*22=1540 Current State: 20:[77, 1540], Operations: ['61-39=22', '70*22=1540'] Exploring Operation: 1540/77=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[70, 61, 77, 39], Operations: [] Exploring Operation: 77-61=16, Resulting Numbers: [70, 39, 16] Generated Node #0,0: 20:[70, 39, 16] Operation: 77-61=16 Exploring Operation: 77-70=7, Resulting Numbers: [61, 39, 7] Generated Node #0,1: 20:[61, 39, 7] Operation: 77-70=7 Exploring Operation: 70-39=31, Resulting Numbers: [61, 77, 31] Generated Node #0,2: 20:[61, 77, 31] Operation: 70-39=31 Exploring Operation: 70-61=9, Resulting Numbers: [77, 39, 9] Generated Node #0,3: 20:[77, 39, 9] Operation: 70-61=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[61, 39, 7], Operations: ['77-70=7'] Exploring Operation: 39-7=32, Resulting Numbers: [61, 32] Generated Node #0,1,0: 20:[61, 32] Operation: 39-7=32 Exploring Operation: 61-39=22, Resulting Numbers: [7, 22] Generated Node #0,1,1: 20:[7, 22] Operation: 61-39=22 Exploring Operation: 61+7=68, Resulting Numbers: [39, 68] Generated Node #0,1,2: 20:[39, 68] Operation: 61+7=68 Exploring Operation: 61-7=54, Resulting Numbers: [39, 54] Generated Node #0,1,3: 20:[39, 54] Operation: 61-7=54 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[7, 22], Operations: ['77-70=7', '61-39=22'] Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,20 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[61, 32], Operations: ['77-70=7', '39-7=32'] Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 61+32=93, Resulting Numbers: [93] 93,20 unequal: No Solution Exploring Operation: 61*32=1952, Resulting Numbers: [1952] 1952,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 20:[39, 54], Operations: ['77-70=7', '61-7=54'] Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 39*54=2106, Resulting Numbers: [2106] 2106,20 unequal: No Solution Exploring Operation: 39+54=93, Resulting Numbers: [93] 93,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 20:[39, 68], Operations: ['77-70=7', '61+7=68'] Exploring Operation: 39*68=2652, Resulting Numbers: [2652] 2652,20 unequal: No Solution Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 39+68=107, Resulting Numbers: [107] 107,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[70, 39, 16], Operations: ['77-61=16'] Exploring Operation: 39-16=23, Resulting Numbers: [70, 23] Generated Node #0,0,0: 20:[70, 23] Operation: 39-16=23 Exploring Operation: 70-16=54, Resulting Numbers: [39, 54] Generated Node #0,0,1: 20:[39, 54] Operation: 70-16=54 Exploring Operation: 70-39=31, Resulting Numbers: [16, 31] Generated Node #0,0,2: 20:[16, 31] Operation: 70-39=31 Exploring Operation: 70+16=86, Resulting Numbers: [39, 86] Generated Node #0,0,3: 20:[39, 86] Operation: 70+16=86 Moving to Node #0,0,2 Current State: 20:[16, 31], Operations: ['77-61=16', '70-39=31'] Exploring Operation: 16*31=496, Resulting Numbers: [496] 496,20 unequal: No Solution Exploring Operation: 16+31=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[39, 54], Operations: ['77-61=16', '70-16=54'] Exploring Operation: 39+54=93, Resulting Numbers: [93] 93,20 unequal: No Solution Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 39*54=2106, Resulting Numbers: [2106] 2106,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[70, 23], Operations: ['77-61=16', '39-16=23'] Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,20 unequal: No Solution Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,20 unequal: No Solution Moving to Node #0,0,3 Current State: 20:[39, 86], Operations: ['77-61=16', '70+16=86'] Exploring Operation: 39+86=125, Resulting Numbers: [125] 125,20 unequal: No Solution Exploring Operation: 39*86=3354, Resulting Numbers: [3354] 3354,20 unequal: No Solution Exploring Operation: 86-39=47, Resulting Numbers: [47] 47,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[77, 39, 9], Operations: ['70-61=9'] Exploring Operation: 77-39=38, Resulting Numbers: [9, 38] Generated Node #0,3,0: 20:[9, 38] Operation: 77-39=38 Exploring Operation: 77+9=86, Resulting Numbers: [39, 86] Generated Node #0,3,1: 20:[39, 86] Operation: 77+9=86 Exploring Operation: 39-9=30, Resulting Numbers: [77, 30] Generated Node #0,3,2: 20:[77, 30] Operation: 39-9=30 Exploring Operation: 77-9=68, Resulting Numbers: [39, 68] Generated Node #0,3,3: 20:[39, 68] Operation: 77-9=68 Moving to Node #0,3,0 Current State: 20:[9, 38], Operations: ['70-61=9', '77-39=38'] Exploring Operation: 9*38=342, Resulting Numbers: [342] 342,20 unequal: No Solution Exploring Operation: 9+38=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,20 unequal: No Solution Moving to Node #0,3,3 Current State: 20:[39, 68], Operations: ['70-61=9', '77-9=68'] Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 39*68=2652, Resulting Numbers: [2652] 2652,20 unequal: No Solution Exploring Operation: 39+68=107, Resulting Numbers: [107] 107,20 unequal: No Solution Moving to Node #0,3,2 Current State: 20:[77, 30], Operations: ['70-61=9', '39-9=30'] Exploring Operation: 77+30=107, Resulting Numbers: [107] 107,20 unequal: No Solution Exploring Operation: 77*30=2310, Resulting Numbers: [2310] 2310,20 unequal: No Solution Exploring Operation: 77-30=47, Resulting Numbers: [47] 47,20 unequal: No Solution Moving to Node #0,3,1 Current State: 20:[39, 86], Operations: ['70-61=9', '77+9=86'] Exploring Operation: 39+86=125, Resulting Numbers: [125] 125,20 unequal: No Solution Exploring Operation: 86-39=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 39*86=3354, Resulting Numbers: [3354] 3354,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[61, 77, 31], Operations: ['70-39=31'] Exploring Operation: 61-31=30, Resulting Numbers: [77, 30] Generated Node #0,2,0: 20:[77, 30] Operation: 61-31=30 Exploring Operation: 61+77=138, Resulting Numbers: [31, 138] Generated Node #0,2,1: 20:[31, 138] Operation: 61+77=138 Exploring Operation: 77-31=46, Resulting Numbers: [61, 46] Generated Node #0,2,2: 20:[61, 46] Operation: 77-31=46 Exploring Operation: 77-61=16, Resulting Numbers: [31, 16] Generated Node #0,2,3: 20:[31, 16] Operation: 77-61=16 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 20:[31, 16], Operations: ['70-39=31', '77-61=16'] Exploring Operation: 31*16=496, Resulting Numbers: [496] 496,20 unequal: No Solution Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 31+16=47, Resulting Numbers: [47] 47,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 20:[77, 30], Operations: ['70-39=31', '61-31=30'] Exploring Operation: 77-30=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 77+30=107, Resulting Numbers: [107] 107,20 unequal: No Solution Exploring Operation: 77*30=2310, Resulting Numbers: [2310] 2310,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 20:[61, 46], Operations: ['70-39=31', '77-31=46'] Exploring Operation: 61+46=107, Resulting Numbers: [107] 107,20 unequal: No Solution Exploring Operation: 61-46=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 61*46=2806, Resulting Numbers: [2806] 2806,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 20:[31, 138], Operations: ['70-39=31', '61+77=138'] Exploring Operation: 138-31=107, Resulting Numbers: [107] 107,20 unequal: No Solution Exploring Operation: 31*138=4278, Resulting Numbers: [4278] 4278,20 unequal: No Solution Exploring Operation: 31+138=169, Resulting Numbers: [169] 169,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 97, 95, 61, 10 ]
69
[ "97-95=2", "61+10=71", "71-2=69" ]
Current State: 69:[97, 95, 61, 10], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [61, 10, 2] Generated Node #2: [61, 10, 2] from Operation: 97-95=2 Current State: 69:[61, 10, 2], Operations: ['97-95=2'] Exploring Operation: 61+10=71, Resulting Numbers: [2, 71] Generated Node #3: [2, 71] from Operation: 61+10=71 Current State: 69:[2, 71], Operations: ['97-95=2', '61+10=71'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[97, 95, 61, 10], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [61, 10, 2] Generated Node #0,0: 69:[61, 10, 2] Operation: 97-95=2 Moving to Node #0,0 Current State: 69:[61, 10, 2], Operations: ['97-95=2'] Exploring Operation: 61+10=71, Resulting Numbers: [2, 71] Generated Node #0,0,0: 69:[2, 71] Operation: 61+10=71 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[2, 71], Operations: ['97-95=2', '61+10=71'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[97, 95, 61, 10], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [61, 10, 2] Generated Node #0,0: 69:[61, 10, 2] Operation: 97-95=2 Moving to Node #0,0 Current State: 69:[61, 10, 2], Operations: ['97-95=2'] Exploring Operation: 61+10=71, Resulting Numbers: [2, 71] Generated Node #0,0,0: 69:[2, 71] Operation: 61+10=71 Moving to Node #0,0,0 Current State: 69:[2, 71], Operations: ['97-95=2', '61+10=71'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 47, 3, 3, 5 ]
41
[ "47-5=42", "3/3=1", "42-1=41" ]
Current State: 41:[47, 3, 3, 5], Operations: [] Exploring Operation: 47-5=42, Resulting Numbers: [3, 3, 42] Generated Node #2: [3, 3, 42] from Operation: 47-5=42 Current State: 41:[3, 3, 42], Operations: ['47-5=42'] Exploring Operation: 3/3=1, Resulting Numbers: [42, 1] Generated Node #3: [42, 1] from Operation: 3/3=1 Current State: 41:[42, 1], Operations: ['47-5=42', '3/3=1'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[47, 3, 3, 5], Operations: [] Exploring Operation: 3*3=9, Resulting Numbers: [47, 5, 9] Generated Node #0,0: 41:[47, 5, 9] Operation: 3*3=9 Exploring Operation: 3*5=15, Resulting Numbers: [47, 3, 15] Generated Node #0,1: 41:[47, 3, 15] Operation: 3*5=15 Exploring Operation: 3*5=15, Resulting Numbers: [47, 3, 15] Generated Node #0,2: 41:[47, 3, 15] Operation: 3*5=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[47, 3, 15], Operations: ['3*5=15'] Exploring Operation: 3+15=18, Resulting Numbers: [47, 18] Generated Node #0,1,0: 41:[47, 18] Operation: 3+15=18 Exploring Operation: 3*15=45, Resulting Numbers: [47, 45] Generated Node #0,1,1: 41:[47, 45] Operation: 3*15=45 Exploring Operation: 47-3=44, Resulting Numbers: [15, 44] Generated Node #0,1,2: 41:[15, 44] Operation: 47-3=44 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[47, 45], Operations: ['3*5=15', '3*15=45'] Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,41 unequal: No Solution Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,41 unequal: No Solution Exploring Operation: 47*45=2115, Resulting Numbers: [2115] 2115,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[47, 18], Operations: ['3*5=15', '3+15=18'] Exploring Operation: 47*18=846, Resulting Numbers: [846] 846,41 unequal: No Solution Exploring Operation: 47+18=65, Resulting Numbers: [65] 65,41 unequal: No Solution Exploring Operation: 47-18=29, Resulting Numbers: [29] 29,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 41:[15, 44], Operations: ['3*5=15', '47-3=44'] Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,41 unequal: No Solution Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,41 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,41 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 41:[47, 3, 15], Operations: ['3*5=15'] Exploring Operation: 47-3=44, Resulting Numbers: [15, 44] Generated Node #0,2,0: 41:[15, 44] Operation: 47-3=44 Exploring Operation: 3*15=45, Resulting Numbers: [47, 45] Generated Node #0,2,1: 41:[47, 45] Operation: 3*15=45 Exploring Operation: 3+15=18, Resulting Numbers: [47, 18] Generated Node #0,2,2: 41:[47, 18] Operation: 3+15=18 Moving to Node #0,2,1 Current State: 41:[47, 45], Operations: ['3*5=15', '3*15=45'] Exploring Operation: 47*45=2115, Resulting Numbers: [2115] 2115,41 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,41 unequal: No Solution Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[15, 44], Operations: ['3*5=15', '47-3=44'] Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,41 unequal: No Solution Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,41 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[47, 18], Operations: ['3*5=15', '3+15=18'] Exploring Operation: 47-18=29, Resulting Numbers: [29] 29,41 unequal: No Solution Exploring Operation: 47*18=846, Resulting Numbers: [846] 846,41 unequal: No Solution Exploring Operation: 47+18=65, Resulting Numbers: [65] 65,41 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:[47, 5, 9], Operations: ['3*3=9'] Exploring Operation: 5*9=45, Resulting Numbers: [47, 45] Generated Node #0,0,0: 41:[47, 45] Operation: 5*9=45 Exploring Operation: 47-5=42, Resulting Numbers: [9, 42] Generated Node #0,0,1: 41:[9, 42] Operation: 47-5=42 Exploring Operation: 5+9=14, Resulting Numbers: [47, 14] Generated Node #0,0,2: 41:[47, 14] Operation: 5+9=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[47, 45], Operations: ['3*3=9', '5*9=45'] Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,41 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,41 unequal: No Solution Exploring Operation: 47*45=2115, Resulting Numbers: [2115] 2115,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 41:[9, 42], Operations: ['3*3=9', '47-5=42'] Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,41 unequal: No Solution Exploring Operation: 9*42=378, Resulting Numbers: [378] 378,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 41:[47, 14], Operations: ['3*3=9', '5+9=14'] Exploring Operation: 47+14=61, Resulting Numbers: [61] 61,41 unequal: No Solution Exploring Operation: 47*14=658, Resulting Numbers: [658] 658,41 unequal: No Solution Exploring Operation: 47-14=33, Resulting Numbers: [33] 33,41 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_3
sum_heuristic
[ 29, 12, 2, 13 ]
10
[ "29-13=16", "12/2=6", "16-6=10" ]
Current State: 10:[29, 12, 2, 13], Operations: [] Exploring Operation: 29-13=16, Resulting Numbers: [12, 2, 16] Generated Node #2: [12, 2, 16] from Operation: 29-13=16 Current State: 10:[12, 2, 16], Operations: ['29-13=16'] Exploring Operation: 12/2=6, Resulting Numbers: [16, 6] Generated Node #3: [16, 6] from Operation: 12/2=6 Current State: 10:[16, 6], Operations: ['29-13=16', '12/2=6'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[29, 12, 2, 13], Operations: [] Exploring Operation: 29-13=16, Resulting Numbers: [12, 2, 16] Generated Node #0,0: 10:[12, 2, 16] Operation: 29-13=16 Exploring Operation: 29-12=17, Resulting Numbers: [2, 13, 17] Generated Node #0,1: 10:[2, 13, 17] Operation: 29-12=17 Exploring Operation: 29-2=27, Resulting Numbers: [12, 13, 27] Generated Node #0,2: 10:[12, 13, 27] Operation: 29-2=27 Exploring Operation: 13-12=1, Resulting Numbers: [29, 2, 1] Generated Node #0,3: 10:[29, 2, 1] Operation: 13-12=1 Moving to Node #0,0 Current State: 10:[12, 2, 16], Operations: ['29-13=16'] Exploring Operation: 16/2=8, Resulting Numbers: [12, 8] Generated Node #0,0,0: 10:[12, 8] Operation: 16/2=8 Exploring Operation: 12-2=10, Resulting Numbers: [16, 10] Generated Node #0,0,1: 10:[16, 10] Operation: 12-2=10 Exploring Operation: 16-12=4, Resulting Numbers: [2, 4] Generated Node #0,0,2: 10:[2, 4] Operation: 16-12=4 Exploring Operation: 16-2=14, Resulting Numbers: [12, 14] Generated Node #0,0,3: 10:[12, 14] Operation: 16-2=14 Moving to Node #0,1 Current State: 10:[2, 13, 17], Operations: ['29-12=17'] Exploring Operation: 2+13=15, Resulting Numbers: [17, 15] Generated Node #0,1,0: 10:[17, 15] Operation: 2+13=15 Exploring Operation: 13-2=11, Resulting Numbers: [17, 11] Generated Node #0,1,1: 10:[17, 11] Operation: 13-2=11 Exploring Operation: 17-13=4, Resulting Numbers: [2, 4] Generated Node #0,1,2: 10:[2, 4] Operation: 17-13=4 Exploring Operation: 17-2=15, Resulting Numbers: [13, 15] Generated Node #0,1,3: 10:[13, 15] Operation: 17-2=15 Moving to Node #0,3 Current State: 10:[29, 2, 1], Operations: ['13-12=1'] Exploring Operation: 29/1=29, Resulting Numbers: [2, 29] Generated Node #0,3,0: 10:[2, 29] Operation: 29/1=29 Exploring Operation: 29*1=29, Resulting Numbers: [2, 29] Generated Node #0,3,1: 10:[2, 29] Operation: 29*1=29 Exploring Operation: 29-1=28, Resulting Numbers: [2, 28] Generated Node #0,3,2: 10:[2, 28] Operation: 29-1=28 Exploring Operation: 29-2=27, Resulting Numbers: [1, 27] Generated Node #0,3,3: 10:[1, 27] Operation: 29-2=27 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 10:[2, 28], Operations: ['13-12=1', '29-1=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,10 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 10:[1, 27], Operations: ['13-12=1', '29-2=27'] Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,10 unequal: No Solution Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,10 unequal: No Solution Exploring Operation: 1*27=27, Resulting Numbers: [27] 27,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 10:[2, 29], Operations: ['13-12=1', '29/1=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,10 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 10:[2, 29], Operations: ['13-12=1', '29*1=29'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,10 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,10 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: 10:[12, 13, 27], Operations: ['29-2=27'] Exploring Operation: 27-12=15, Resulting Numbers: [13, 15] Generated Node #0,2,0: 10:[13, 15] Operation: 27-12=15 Exploring Operation: 12+13=25, Resulting Numbers: [27, 25] Generated Node #0,2,1: 10:[27, 25] Operation: 12+13=25 Exploring Operation: 13-12=1, Resulting Numbers: [27, 1] Generated Node #0,2,2: 10:[27, 1] Operation: 13-12=1 Exploring Operation: 27-13=14, Resulting Numbers: [12, 14] Generated Node #0,2,3: 10:[12, 14] Operation: 27-13=14 Moving to Node #0,0,2 Current State: 10:[2, 4], Operations: ['29-13=16', '16-12=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[2, 4], Operations: ['29-12=17', '17-13=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[12, 8], Operations: ['29-13=16', '16/2=8'] Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,10 unequal: No Solution Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,10 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[16, 10], Operations: ['29-13=16', '12-2=10'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,10 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[12, 14], Operations: ['29-13=16', '16-2=14'] Exploring Operation: 12*14=168, Resulting Numbers: [168] 168,10 unequal: No Solution Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,10 unequal: No Solution Moving to Node #0,2,3 Current State: 10:[12, 14], Operations: ['29-2=27', '27-13=14'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 12*14=168, Resulting Numbers: [168] 168,10 unequal: No Solution Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,10 unequal: No Solution Moving to Node #0,1,3 Current State: 10:[13, 15], Operations: ['29-12=17', '17-2=15'] Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,10 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 13*15=195, Resulting Numbers: [195] 195,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[17, 11], Operations: ['29-12=17', '13-2=11'] Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,10 unequal: No Solution Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,10 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[13, 15], Operations: ['29-2=27', '27-12=15'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,10 unequal: No Solution Exploring Operation: 13*15=195, Resulting Numbers: [195] 195,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[17, 15], Operations: ['29-12=17', '2+13=15'] Exploring Operation: 17*15=255, Resulting Numbers: [255] 255,10 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 17+15=32, Resulting Numbers: [32] 32,10 unequal: No Solution Moving to Node #0,2,2 Current State: 10:[27, 1], Operations: ['29-2=27', '13-12=1'] Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,10 unequal: No Solution Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,10 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,10 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[27, 25], Operations: ['29-2=27', '12+13=25'] Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,10 unequal: No Solution Exploring Operation: 27*25=675, Resulting Numbers: [675] 675,10 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,10 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 52, 33, 64, 78 ]
99
[ "52+33=85", "78-64=14", "85+14=99" ]
Current State: 99:[52, 33, 64, 78], Operations: [] Exploring Operation: 52+33=85, Resulting Numbers: [64, 78, 85] Generated Node #2: [64, 78, 85] from Operation: 52+33=85 Current State: 99:[64, 78, 85], Operations: ['52+33=85'] Exploring Operation: 78-64=14, Resulting Numbers: [85, 14] Generated Node #3: [85, 14] from Operation: 78-64=14 Current State: 99:[85, 14], Operations: ['52+33=85', '78-64=14'] Exploring Operation: 85+14=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[52, 33, 64, 78], Operations: [] Exploring Operation: 64-52=12, Resulting Numbers: [33, 78, 12] Generated Node #0,0: 99:[33, 78, 12] Operation: 64-52=12 Exploring Operation: 78-64=14, Resulting Numbers: [52, 33, 14] Generated Node #0,1: 99:[52, 33, 14] Operation: 78-64=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[33, 78, 12], Operations: ['64-52=12'] Exploring Operation: 33+78=111, Resulting Numbers: [12, 111] Generated Node #0,0,0: 99:[12, 111] Operation: 33+78=111 Exploring Operation: 78+12=90, Resulting Numbers: [33, 90] Generated Node #0,0,1: 99:[33, 90] Operation: 78+12=90 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 99:[33, 90], Operations: ['64-52=12', '78+12=90'] Exploring Operation: 90-33=57, Resulting Numbers: [57] 57,99 unequal: No Solution Exploring Operation: 33+90=123, Resulting Numbers: [123] 123,99 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 #0,0,0 Current State: 99:[12, 111], Operations: ['64-52=12', '33+78=111'] Exploring Operation: 111-12=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[52, 33, 64, 78], Operations: [] Exploring Operation: 64-52=12, Resulting Numbers: [33, 78, 12] Generated Node #0,0: 99:[33, 78, 12] Operation: 64-52=12 Moving to Node #0,0 Current State: 99:[33, 78, 12], Operations: ['64-52=12'] Exploring Operation: 33+78=111, Resulting Numbers: [12, 111] Generated Node #0,0,0: 99:[12, 111] Operation: 33+78=111 Moving to Node #0,0,0 Current State: 99:[12, 111], Operations: ['64-52=12', '33+78=111'] Exploring Operation: 111-12=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 20, 36, 3, 96 ]
48
[ "36-20=16", "96/3=32", "16+32=48" ]
Current State: 48:[20, 36, 3, 96], Operations: [] Exploring Operation: 36-20=16, Resulting Numbers: [3, 96, 16] Generated Node #2: [3, 96, 16] from Operation: 36-20=16 Current State: 48:[3, 96, 16], Operations: ['36-20=16'] Exploring Operation: 96/3=32, Resulting Numbers: [16, 32] Generated Node #3: [16, 32] from Operation: 96/3=32 Current State: 48:[16, 32], Operations: ['36-20=16', '96/3=32'] Exploring Operation: 16+32=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[20, 36, 3, 96], Operations: [] Exploring Operation: 96-36=60, Resulting Numbers: [20, 3, 60] Generated Node #0,0: 48:[20, 3, 60] Operation: 96-36=60 Exploring Operation: 96/3=32, Resulting Numbers: [20, 36, 32] Generated Node #0,1: 48:[20, 36, 32] Operation: 96/3=32 Exploring Operation: 96-20=76, Resulting Numbers: [36, 3, 76] Generated Node #0,2: 48:[36, 3, 76] Operation: 96-20=76 Exploring Operation: 36-20=16, Resulting Numbers: [3, 96, 16] Generated Node #0,3: 48:[3, 96, 16] Operation: 36-20=16 Moving to Node #0,0 Current State: 48:[20, 3, 60], Operations: ['96-36=60'] Exploring Operation: 20+3=23, Resulting Numbers: [60, 23] Generated Node #0,0,0: 48:[60, 23] Operation: 20+3=23 Exploring Operation: 60-20=40, Resulting Numbers: [3, 40] Generated Node #0,0,1: 48:[3, 40] Operation: 60-20=40 Exploring Operation: 60/20=3, Resulting Numbers: [3, 3] Generated Node #0,0,2: 48:[3, 3] Operation: 60/20=3 Exploring Operation: 60/3=20, Resulting Numbers: [20, 20] Generated Node #0,0,3: 48:[20, 20] Operation: 60/3=20 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 48:[3, 3], Operations: ['96-36=60', '60/20=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,48 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[3, 40], Operations: ['96-36=60', '60-20=40'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,48 unequal: No Solution Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,48 unequal: No Solution Exploring Operation: 3*40=120, Resulting Numbers: [120] 120,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 48:[20, 20], Operations: ['96-36=60', '60/3=20'] Exploring Operation: 20-20=0, Resulting Numbers: [0] 0,48 unequal: No Solution Exploring Operation: 20*20=400, Resulting Numbers: [400] 400,48 unequal: No Solution Exploring Operation: 20/20=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 20+20=40, Resulting Numbers: [40] 40,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[60, 23], Operations: ['96-36=60', '20+3=23'] Exploring Operation: 60*23=1380, Resulting Numbers: [1380] 1380,48 unequal: No Solution Exploring Operation: 60+23=83, Resulting Numbers: [83] 83,48 unequal: No Solution Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,48 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: 48:[20, 36, 32], Operations: ['96/3=32'] Exploring Operation: 32-20=12, Resulting Numbers: [36, 12] Generated Node #0,1,0: 48:[36, 12] Operation: 32-20=12 Exploring Operation: 36-20=16, Resulting Numbers: [32, 16] Generated Node #0,1,1: 48:[32, 16] Operation: 36-20=16 Exploring Operation: 36-32=4, Resulting Numbers: [20, 4] Generated Node #0,1,2: 48:[20, 4] Operation: 36-32=4 Exploring Operation: 20+36=56, Resulting Numbers: [32, 56] Generated Node #0,1,3: 48:[32, 56] Operation: 20+36=56 Moving to Node #0,2 Current State: 48:[36, 3, 76], Operations: ['96-20=76'] Exploring Operation: 36/3=12, Resulting Numbers: [76, 12] Generated Node #0,2,0: 48:[76, 12] Operation: 36/3=12 Exploring Operation: 36+3=39, Resulting Numbers: [76, 39] Generated Node #0,2,1: 48:[76, 39] Operation: 36+3=39 Exploring Operation: 76-36=40, Resulting Numbers: [3, 40] Generated Node #0,2,2: 48:[3, 40] Operation: 76-36=40 Exploring Operation: 36-3=33, Resulting Numbers: [76, 33] Generated Node #0,2,3: 48:[76, 33] Operation: 36-3=33 Moving to Node #0,3 Current State: 48:[3, 96, 16], Operations: ['36-20=16'] Exploring Operation: 96-3=93, Resulting Numbers: [16, 93] Generated Node #0,3,0: 48:[16, 93] Operation: 96-3=93 Exploring Operation: 96/16=6, Resulting Numbers: [3, 6] Generated Node #0,3,1: 48:[3, 6] Operation: 96/16=6 Exploring Operation: 96/3=32, Resulting Numbers: [16, 32] Generated Node #0,3,2: 48:[16, 32] Operation: 96/3=32 Exploring Operation: 96-16=80, Resulting Numbers: [3, 80] Generated Node #0,3,3: 48:[3, 80] Operation: 96-16=80 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 48:[3, 6], Operations: ['36-20=16', '96/16=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 48:[16, 32], Operations: ['36-20=16', '96/3=32'] Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 16+32=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[20, 36, 3, 96], Operations: [] Exploring Operation: 36-20=16, Resulting Numbers: [3, 96, 16] Generated Node #0,3: 48:[3, 96, 16] Operation: 36-20=16 Moving to Node #0,3 Current State: 48:[3, 96, 16], Operations: ['36-20=16'] Exploring Operation: 96/3=32, Resulting Numbers: [16, 32] Generated Node #0,3,2: 48:[16, 32] Operation: 96/3=32 Moving to Node #0,3,2 Current State: 48:[16, 32], Operations: ['36-20=16', '96/3=32'] Exploring Operation: 16+32=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.960938
hs_4
mult_heuristic
[ 14, 73, 20, 53 ]
29
[ "73+53=126", "126/14=9", "20+9=29" ]
Current State: 29:[14, 73, 20, 53], Operations: [] Exploring Operation: 73+53=126, Resulting Numbers: [14, 20, 126] Generated Node #2: [14, 20, 126] from Operation: 73+53=126 Current State: 29:[14, 20, 126], Operations: ['73+53=126'] Exploring Operation: 126/14=9, Resulting Numbers: [20, 9] Generated Node #3: [20, 9] from Operation: 126/14=9 Current State: 29:[20, 9], Operations: ['73+53=126', '126/14=9'] Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[14, 73, 20, 53], Operations: [] Exploring Operation: 73-53=20, Resulting Numbers: [14, 20, 20] Generated Node #0,0: 29:[14, 20, 20] Operation: 73-53=20 Exploring Operation: 73-14=59, Resulting Numbers: [20, 53, 59] Generated Node #0,1: 29:[20, 53, 59] Operation: 73-14=59 Exploring Operation: 53-14=39, Resulting Numbers: [73, 20, 39] Generated Node #0,2: 29:[73, 20, 39] Operation: 53-14=39 Exploring Operation: 73-20=53, Resulting Numbers: [14, 53, 53] Generated Node #0,3: 29:[14, 53, 53] Operation: 73-20=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[14, 20, 20], Operations: ['73-53=20'] Exploring Operation: 20+20=40, Resulting Numbers: [14, 40] Generated Node #0,0,0: 29:[14, 40] Operation: 20+20=40 Exploring Operation: 14+20=34, Resulting Numbers: [20, 34] Generated Node #0,0,1: 29:[20, 34] Operation: 14+20=34 Exploring Operation: 20-14=6, Resulting Numbers: [20, 6] Generated Node #0,0,2: 29:[20, 6] Operation: 20-14=6 Exploring Operation: 14+20=34, Resulting Numbers: [20, 34] Generated Node #0,0,3: 29:[20, 34] Operation: 14+20=34 Moving to Node #0,0,1 Current State: 29:[20, 34], Operations: ['73-53=20', '14+20=34'] Exploring Operation: 20*34=680, Resulting Numbers: [680] 680,29 unequal: No Solution Exploring Operation: 20+34=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,29 unequal: No Solution Moving to Node #0,0,3 Current State: 29:[20, 34], Operations: ['73-53=20', '14+20=34'] Exploring Operation: 20*34=680, Resulting Numbers: [680] 680,29 unequal: No Solution Exploring Operation: 20+34=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[14, 40], Operations: ['73-53=20', '20+20=40'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,29 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[20, 6], Operations: ['73-53=20', '20-14=6'] Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[20, 53, 59], Operations: ['73-14=59'] Exploring Operation: 53-20=33, Resulting Numbers: [59, 33] Generated Node #0,1,0: 29:[59, 33] Operation: 53-20=33 Exploring Operation: 59-20=39, Resulting Numbers: [53, 39] Generated Node #0,1,1: 29:[53, 39] Operation: 59-20=39 Exploring Operation: 20+53=73, Resulting Numbers: [59, 73] Generated Node #0,1,2: 29:[59, 73] Operation: 20+53=73 Exploring Operation: 59-53=6, Resulting Numbers: [20, 6] Generated Node #0,1,3: 29:[20, 6] Operation: 59-53=6 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 29:[20, 6], Operations: ['73-14=59', '59-53=6'] Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[59, 33], Operations: ['73-14=59', '53-20=33'] Exploring Operation: 59*33=1947, Resulting Numbers: [1947] 1947,29 unequal: No Solution Exploring Operation: 59-33=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 59+33=92, Resulting Numbers: [92] 92,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 29:[53, 39], Operations: ['73-14=59', '59-20=39'] Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 53*39=2067, Resulting Numbers: [2067] 2067,29 unequal: No Solution Exploring Operation: 53+39=92, Resulting Numbers: [92] 92,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 29:[59, 73], Operations: ['73-14=59', '20+53=73'] Exploring Operation: 59+73=132, Resulting Numbers: [132] 132,29 unequal: No Solution Exploring Operation: 59*73=4307, Resulting Numbers: [4307] 4307,29 unequal: No Solution Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,29 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: 29:[73, 20, 39], Operations: ['53-14=39'] Exploring Operation: 73+20=93, Resulting Numbers: [39, 93] Generated Node #0,2,0: 29:[39, 93] Operation: 73+20=93 Exploring Operation: 73-20=53, Resulting Numbers: [39, 53] Generated Node #0,2,1: 29:[39, 53] Operation: 73-20=53 Exploring Operation: 39-20=19, Resulting Numbers: [73, 19] Generated Node #0,2,2: 29:[73, 19] Operation: 39-20=19 Exploring Operation: 73-39=34, Resulting Numbers: [20, 34] Generated Node #0,2,3: 29:[20, 34] Operation: 73-39=34 Moving to Node #0,2,3 Current State: 29:[20, 34], Operations: ['53-14=39', '73-39=34'] Exploring Operation: 20*34=680, Resulting Numbers: [680] 680,29 unequal: No Solution Exploring Operation: 20+34=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[39, 53], Operations: ['53-14=39', '73-20=53'] Exploring Operation: 39*53=2067, Resulting Numbers: [2067] 2067,29 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 39+53=92, Resulting Numbers: [92] 92,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[73, 19], Operations: ['53-14=39', '39-20=19'] Exploring Operation: 73*19=1387, Resulting Numbers: [1387] 1387,29 unequal: No Solution Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 73+19=92, Resulting Numbers: [92] 92,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[39, 93], Operations: ['53-14=39', '73+20=93'] Exploring Operation: 93-39=54, Resulting Numbers: [54] 54,29 unequal: No Solution Exploring Operation: 39+93=132, Resulting Numbers: [132] 132,29 unequal: No Solution Exploring Operation: 39*93=3627, Resulting Numbers: [3627] 3627,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 29:[14, 53, 53], Operations: ['73-20=53'] Exploring Operation: 53-53=0, Resulting Numbers: [14, 0] Generated Node #0,3,0: 29:[14, 0] Operation: 53-53=0 Exploring Operation: 53-14=39, Resulting Numbers: [53, 39] Generated Node #0,3,1: 29:[53, 39] Operation: 53-14=39 Exploring Operation: 53/53=1, Resulting Numbers: [14, 1] Generated Node #0,3,2: 29:[14, 1] Operation: 53/53=1 Exploring Operation: 53-14=39, Resulting Numbers: [53, 39] Generated Node #0,3,3: 29:[53, 39] Operation: 53-14=39 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 29:[53, 39], Operations: ['73-20=53', '53-14=39'] Exploring Operation: 53+39=92, Resulting Numbers: [92] 92,29 unequal: No Solution Exploring Operation: 53*39=2067, Resulting Numbers: [2067] 2067,29 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 29:[53, 39], Operations: ['73-20=53', '53-14=39'] Exploring Operation: 53*39=2067, Resulting Numbers: [2067] 2067,29 unequal: No Solution Exploring Operation: 53+39=92, Resulting Numbers: [92] 92,29 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 29:[14, 1], Operations: ['73-20=53', '53/53=1'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,29 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 29:[14, 0], Operations: ['73-20=53', '53-53=0'] Exploring Operation: 14*0=0, Resulting Numbers: [0] 0,29 unequal: No Solution Exploring Operation: 14+0=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 14-0=14, Resulting Numbers: [14] 14,29 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
[ 63, 3, 40, 15 ]
71
[ "3*40=120", "120/15=8", "63+8=71" ]
Current State: 71:[63, 3, 40, 15], Operations: [] Exploring Operation: 3*40=120, Resulting Numbers: [63, 15, 120] Generated Node #2: [63, 15, 120] from Operation: 3*40=120 Current State: 71:[63, 15, 120], Operations: ['3*40=120'] Exploring Operation: 120/15=8, Resulting Numbers: [63, 8] Generated Node #3: [63, 8] from Operation: 120/15=8 Current State: 71:[63, 8], Operations: ['3*40=120', '120/15=8'] Exploring Operation: 63+8=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[63, 3, 40, 15], Operations: [] Exploring Operation: 63+3=66, Resulting Numbers: [40, 15, 66] Generated Node #0,0: 71:[40, 15, 66] Operation: 63+3=66 Exploring Operation: 3+15=18, Resulting Numbers: [63, 40, 18] Generated Node #0,1: 71:[63, 40, 18] Operation: 3+15=18 Exploring Operation: 3+40=43, Resulting Numbers: [63, 15, 43] Generated Node #0,2: 71:[63, 15, 43] Operation: 3+40=43 Exploring Operation: 3*15=45, Resulting Numbers: [63, 40, 45] Generated Node #0,3: 71:[63, 40, 45] Operation: 3*15=45 Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[63, 40, 45], Operations: ['3*15=45'] Exploring Operation: 63+45=108, Resulting Numbers: [40, 108] Generated Node #0,3,0: 71:[40, 108] Operation: 63+45=108 Exploring Operation: 63-40=23, Resulting Numbers: [45, 23] Generated Node #0,3,1: 71:[45, 23] Operation: 63-40=23 Exploring Operation: 40+45=85, Resulting Numbers: [63, 85] Generated Node #0,3,2: 71:[63, 85] Operation: 40+45=85 Exploring Operation: 63+40=103, Resulting Numbers: [45, 103] Generated Node #0,3,3: 71:[45, 103] Operation: 63+40=103 Moving to Node #0,3,2 Current State: 71:[63, 85], Operations: ['3*15=45', '40+45=85'] Exploring Operation: 63*85=5355, Resulting Numbers: [5355] 5355,71 unequal: No Solution Exploring Operation: 63+85=148, Resulting Numbers: [148] 148,71 unequal: No Solution Exploring Operation: 85-63=22, Resulting Numbers: [22] 22,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[45, 103], Operations: ['3*15=45', '63+40=103'] Exploring Operation: 45*103=4635, Resulting Numbers: [4635] 4635,71 unequal: No Solution Exploring Operation: 103-45=58, Resulting Numbers: [58] 58,71 unequal: No Solution Exploring Operation: 45+103=148, Resulting Numbers: [148] 148,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[40, 108], Operations: ['3*15=45', '63+45=108'] Exploring Operation: 40*108=4320, Resulting Numbers: [4320] 4320,71 unequal: No Solution Exploring Operation: 108-40=68, Resulting Numbers: [68] 68,71 unequal: No Solution Exploring Operation: 40+108=148, Resulting Numbers: [148] 148,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[45, 23], Operations: ['3*15=45', '63-40=23'] Exploring Operation: 45+23=68, Resulting Numbers: [68] 68,71 unequal: No Solution Exploring Operation: 45*23=1035, Resulting Numbers: [1035] 1035,71 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[40, 15, 66], Operations: ['63+3=66'] Exploring Operation: 15+66=81, Resulting Numbers: [40, 81] Generated Node #0,0,0: 71:[40, 81] Operation: 15+66=81 Exploring Operation: 40+15=55, Resulting Numbers: [66, 55] Generated Node #0,0,1: 71:[66, 55] Operation: 40+15=55 Exploring Operation: 40-15=25, Resulting Numbers: [66, 25] Generated Node #0,0,2: 71:[66, 25] Operation: 40-15=25 Exploring Operation: 66-15=51, Resulting Numbers: [40, 51] Generated Node #0,0,3: 71:[40, 51] Operation: 66-15=51 Moving to Node #0,0,1 Current State: 71:[66, 55], Operations: ['63+3=66', '40+15=55'] Exploring Operation: 66+55=121, Resulting Numbers: [121] 121,71 unequal: No Solution Exploring Operation: 66*55=3630, Resulting Numbers: [3630] 3630,71 unequal: No Solution Exploring Operation: 66-55=11, Resulting Numbers: [11] 11,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[40, 81], Operations: ['63+3=66', '15+66=81'] Exploring Operation: 40*81=3240, Resulting Numbers: [3240] 3240,71 unequal: No Solution Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,71 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[40, 51], Operations: ['63+3=66', '66-15=51'] Exploring Operation: 40+51=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,71 unequal: No Solution Exploring Operation: 40*51=2040, Resulting Numbers: [2040] 2040,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[66, 25], Operations: ['63+3=66', '40-15=25'] Exploring Operation: 66*25=1650, Resulting Numbers: [1650] 1650,71 unequal: No Solution Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,71 unequal: No Solution Exploring Operation: 66+25=91, Resulting Numbers: [91] 91,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[63, 40, 18], Operations: ['3+15=18'] Exploring Operation: 40-18=22, Resulting Numbers: [63, 22] Generated Node #0,1,0: 71:[63, 22] Operation: 40-18=22 Exploring Operation: 63-18=45, Resulting Numbers: [40, 45] Generated Node #0,1,1: 71:[40, 45] Operation: 63-18=45 Exploring Operation: 40+18=58, Resulting Numbers: [63, 58] Generated Node #0,1,2: 71:[63, 58] Operation: 40+18=58 Exploring Operation: 63+18=81, Resulting Numbers: [40, 81] Generated Node #0,1,3: 71:[40, 81] Operation: 63+18=81 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 71:[63, 58], Operations: ['3+15=18', '40+18=58'] Exploring Operation: 63*58=3654, Resulting Numbers: [3654] 3654,71 unequal: No Solution Exploring Operation: 63+58=121, Resulting Numbers: [121] 121,71 unequal: No Solution Exploring Operation: 63-58=5, Resulting Numbers: [5] 5,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 71:[40, 81], Operations: ['3+15=18', '63+18=81'] Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,71 unequal: No Solution Exploring Operation: 40*81=3240, Resulting Numbers: [3240] 3240,71 unequal: No Solution Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[63, 22], Operations: ['3+15=18', '40-18=22'] Exploring Operation: 63+22=85, Resulting Numbers: [85] 85,71 unequal: No Solution Exploring Operation: 63-22=41, Resulting Numbers: [41] 41,71 unequal: No Solution Exploring Operation: 63*22=1386, Resulting Numbers: [1386] 1386,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[40, 45], Operations: ['3+15=18', '63-18=45'] Exploring Operation: 40+45=85, Resulting Numbers: [85] 85,71 unequal: No Solution Exploring Operation: 40*45=1800, Resulting Numbers: [1800] 1800,71 unequal: No Solution Exploring Operation: 45-40=5, Resulting Numbers: [5] 5,71 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: 71:[63, 15, 43], Operations: ['3+40=43'] Exploring Operation: 15+43=58, Resulting Numbers: [63, 58] Generated Node #0,2,0: 71:[63, 58] Operation: 15+43=58 Exploring Operation: 63-15=48, Resulting Numbers: [43, 48] Generated Node #0,2,1: 71:[43, 48] Operation: 63-15=48 Exploring Operation: 63+15=78, Resulting Numbers: [43, 78] Generated Node #0,2,2: 71:[43, 78] Operation: 63+15=78 Exploring Operation: 43-15=28, Resulting Numbers: [63, 28] Generated Node #0,2,3: 71:[63, 28] Operation: 43-15=28 Moving to Node #0,2,0 Current State: 71:[63, 58], Operations: ['3+40=43', '15+43=58'] Exploring Operation: 63*58=3654, Resulting Numbers: [3654] 3654,71 unequal: No Solution Exploring Operation: 63-58=5, Resulting Numbers: [5] 5,71 unequal: No Solution Exploring Operation: 63+58=121, Resulting Numbers: [121] 121,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[43, 78], Operations: ['3+40=43', '63+15=78'] Exploring Operation: 43*78=3354, Resulting Numbers: [3354] 3354,71 unequal: No Solution Exploring Operation: 78-43=35, Resulting Numbers: [35] 35,71 unequal: No Solution Exploring Operation: 43+78=121, Resulting Numbers: [121] 121,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[63, 28], Operations: ['3+40=43', '43-15=28'] Exploring Operation: 63-28=35, Resulting Numbers: [35] 35,71 unequal: No Solution Exploring Operation: 63*28=1764, Resulting Numbers: [1764] 1764,71 unequal: No Solution Exploring Operation: 63+28=91, Resulting Numbers: [91] 91,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[43, 48], Operations: ['3+40=43', '63-15=48'] Exploring Operation: 43*48=2064, Resulting Numbers: [2064] 2064,71 unequal: No Solution Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,71 unequal: No Solution Exploring Operation: 43+48=91, Resulting Numbers: [91] 91,71 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
[ 68, 57, 32, 57 ]
32
[ "57-57=0", "68*0=0", "32+0=32" ]
Current State: 32:[68, 57, 32, 57], Operations: [] Exploring Operation: 57-57=0, Resulting Numbers: [68, 32, 0] Generated Node #2: [68, 32, 0] from Operation: 57-57=0 Current State: 32:[68, 32, 0], Operations: ['57-57=0'] Exploring Operation: 68*0=0, Resulting Numbers: [32, 0] Generated Node #3: [32, 0] from Operation: 68*0=0 Current State: 32:[32, 0], Operations: ['57-57=0', '68*0=0'] Exploring Operation: 32+0=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[68, 57, 32, 57], Operations: [] Exploring Operation: 68-57=11, Resulting Numbers: [32, 57, 11] Generated Node #0,0: 32:[32, 57, 11] Operation: 68-57=11 Exploring Operation: 57/57=1, Resulting Numbers: [68, 32, 1] Generated Node #0,1: 32:[68, 32, 1] Operation: 57/57=1 Exploring Operation: 57-57=0, Resulting Numbers: [68, 32, 0] Generated Node #0,2: 32:[68, 32, 0] Operation: 57-57=0 Exploring Operation: 68-57=11, Resulting Numbers: [57, 32, 11] Generated Node #0,3: 32:[57, 32, 11] Operation: 68-57=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[32, 57, 11], Operations: ['68-57=11'] Exploring Operation: 57-11=46, Resulting Numbers: [32, 46] Generated Node #0,0,0: 32:[32, 46] Operation: 57-11=46 Exploring Operation: 57-32=25, Resulting Numbers: [11, 25] Generated Node #0,0,1: 32:[11, 25] Operation: 57-32=25 Exploring Operation: 32-11=21, Resulting Numbers: [57, 21] Generated Node #0,0,2: 32:[57, 21] Operation: 32-11=21 Exploring Operation: 32+11=43, Resulting Numbers: [57, 43] Generated Node #0,0,3: 32:[57, 43] Operation: 32+11=43 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 32:[11, 25], Operations: ['68-57=11', '57-32=25'] Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,32 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,32 unequal: No Solution No 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: 32:[32, 46], Operations: ['68-57=11', '57-11=46'] Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 32*46=1472, Resulting Numbers: [1472] 1472,32 unequal: No Solution No 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: 32:[57, 21], Operations: ['68-57=11', '32-11=21'] Exploring Operation: 57*21=1197, Resulting Numbers: [1197] 1197,32 unequal: No Solution Exploring Operation: 57-21=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 57+21=78, Resulting Numbers: [78] 78,32 unequal: No Solution No 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: 32:[57, 43], Operations: ['68-57=11', '32+11=43'] Exploring Operation: 57+43=100, Resulting Numbers: [100] 100,32 unequal: No Solution Exploring Operation: 57-43=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 57*43=2451, Resulting Numbers: [2451] 2451,32 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: 32:[57, 32, 11], Operations: ['68-57=11'] Exploring Operation: 57+11=68, Resulting Numbers: [32, 68] Generated Node #0,3,0: 32:[32, 68] Operation: 57+11=68 Exploring Operation: 57-11=46, Resulting Numbers: [32, 46] Generated Node #0,3,1: 32:[32, 46] Operation: 57-11=46 Exploring Operation: 57-32=25, Resulting Numbers: [11, 25] Generated Node #0,3,2: 32:[11, 25] Operation: 57-32=25 Exploring Operation: 32-11=21, Resulting Numbers: [57, 21] Generated Node #0,3,3: 32:[57, 21] Operation: 32-11=21 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 32:[11, 25], Operations: ['68-57=11', '57-32=25'] Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,32 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,32 unequal: No Solution No 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: 32:[32, 46], Operations: ['68-57=11', '57-11=46'] Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 32*46=1472, Resulting Numbers: [1472] 1472,32 unequal: No Solution No 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: 32:[57, 21], Operations: ['68-57=11', '32-11=21'] Exploring Operation: 57-21=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 57*21=1197, Resulting Numbers: [1197] 1197,32 unequal: No Solution Exploring Operation: 57+21=78, Resulting Numbers: [78] 78,32 unequal: No Solution No 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: 32:[32, 68], Operations: ['68-57=11', '57+11=68'] Exploring Operation: 32+68=100, Resulting Numbers: [100] 100,32 unequal: No Solution Exploring Operation: 68-32=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 32*68=2176, Resulting Numbers: [2176] 2176,32 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: 32:[68, 32, 1], Operations: ['57/57=1'] Exploring Operation: 68*1=68, Resulting Numbers: [32, 68] Generated Node #0,1,0: 32:[32, 68] Operation: 68*1=68 Exploring Operation: 68/1=68, Resulting Numbers: [32, 68] Generated Node #0,1,1: 32:[32, 68] Operation: 68/1=68 Exploring Operation: 68-1=67, Resulting Numbers: [32, 67] Generated Node #0,1,2: 32:[32, 67] Operation: 68-1=67 Exploring Operation: 68-32=36, Resulting Numbers: [1, 36] Generated Node #0,1,3: 32:[1, 36] Operation: 68-32=36 Moving to Node #0,1,3 Current State: 32:[1, 36], Operations: ['57/57=1', '68-32=36'] Exploring Operation: 1+36=37, Resulting Numbers: [37] 37,32 unequal: No Solution Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,32 unequal: No Solution Exploring Operation: 1*36=36, Resulting Numbers: [36] 36,32 unequal: No Solution Moving to Node #0,1,2 Current State: 32:[32, 67], Operations: ['57/57=1', '68-1=67'] Exploring Operation: 67-32=35, Resulting Numbers: [35] 35,32 unequal: No Solution Exploring Operation: 32+67=99, Resulting Numbers: [99] 99,32 unequal: No Solution Exploring Operation: 32*67=2144, Resulting Numbers: [2144] 2144,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[32, 68], Operations: ['57/57=1', '68/1=68'] Exploring Operation: 68-32=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 32*68=2176, Resulting Numbers: [2176] 2176,32 unequal: No Solution Exploring Operation: 32+68=100, Resulting Numbers: [100] 100,32 unequal: No Solution Moving to Node #0,1,0 Current State: 32:[32, 68], Operations: ['57/57=1', '68*1=68'] Exploring Operation: 32+68=100, Resulting Numbers: [100] 100,32 unequal: No Solution Exploring Operation: 32*68=2176, Resulting Numbers: [2176] 2176,32 unequal: No Solution Exploring Operation: 68-32=36, Resulting Numbers: [36] 36,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[68, 32, 0], Operations: ['57-57=0'] Exploring Operation: 68+0=68, Resulting Numbers: [32, 68] Generated Node #0,2,0: 32:[32, 68] Operation: 68+0=68 Exploring Operation: 68-32=36, Resulting Numbers: [0, 36] Generated Node #0,2,1: 32:[0, 36] Operation: 68-32=36 Exploring Operation: 68*0=0, Resulting Numbers: [32, 0] Generated Node #0,2,2: 32:[32, 0] Operation: 68*0=0 Exploring Operation: 68-0=68, Resulting Numbers: [32, 68] Generated Node #0,2,3: 32:[32, 68] Operation: 68-0=68 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 32:[32, 0], Operations: ['57-57=0', '68*0=0'] Exploring Operation: 32-0=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[68, 57, 32, 57], Operations: [] Exploring Operation: 57-57=0, Resulting Numbers: [68, 32, 0] Generated Node #0,2: 32:[68, 32, 0] Operation: 57-57=0 Moving to Node #0,2 Current State: 32:[68, 32, 0], Operations: ['57-57=0'] Exploring Operation: 68*0=0, Resulting Numbers: [32, 0] Generated Node #0,2,2: 32:[32, 0] Operation: 68*0=0 Moving to Node #0,2,2 Current State: 32:[32, 0], Operations: ['57-57=0', '68*0=0'] Exploring Operation: 32-0=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.946181
hs_4
mult_heuristic
[ 2, 29, 62, 39 ]
78
[ "2+29=31", "62*39=2418", "2418/31=78" ]
Current State: 78:[2, 29, 62, 39], Operations: [] Exploring Operation: 2+29=31, Resulting Numbers: [62, 39, 31] Generated Node #2: [62, 39, 31] from Operation: 2+29=31 Current State: 78:[62, 39, 31], Operations: ['2+29=31'] Exploring Operation: 62*39=2418, Resulting Numbers: [31, 2418] Generated Node #3: [31, 2418] from Operation: 62*39=2418 Current State: 78:[31, 2418], Operations: ['2+29=31', '62*39=2418'] Exploring Operation: 2418/31=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[2, 29, 62, 39], Operations: [] Exploring Operation: 62-29=33, Resulting Numbers: [2, 39, 33] Generated Node #0,0: 78:[2, 39, 33] Operation: 62-29=33 Exploring Operation: 62/2=31, Resulting Numbers: [29, 39, 31] Generated Node #0,1: 78:[29, 39, 31] Operation: 62/2=31 Exploring Operation: 62-39=23, Resulting Numbers: [2, 29, 23] Generated Node #0,2: 78:[2, 29, 23] Operation: 62-39=23 Exploring Operation: 29+62=91, Resulting Numbers: [2, 39, 91] Generated Node #0,3: 78:[2, 39, 91] Operation: 29+62=91 Moving to Node #0,0 Current State: 78:[2, 39, 33], Operations: ['62-29=33'] Exploring Operation: 2+33=35, Resulting Numbers: [39, 35] Generated Node #0,0,0: 78:[39, 35] Operation: 2+33=35 Exploring Operation: 33-2=31, Resulting Numbers: [39, 31] Generated Node #0,0,1: 78:[39, 31] Operation: 33-2=31 Exploring Operation: 39-33=6, Resulting Numbers: [2, 6] Generated Node #0,0,2: 78:[2, 6] Operation: 39-33=6 Exploring Operation: 2*39=78, Resulting Numbers: [33, 78] Generated Node #0,0,3: 78:[33, 78] Operation: 2*39=78 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 78:[2, 6], Operations: ['62-29=33', '39-33=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[39, 35], Operations: ['62-29=33', '2+33=35'] Exploring Operation: 39*35=1365, Resulting Numbers: [1365] 1365,78 unequal: No Solution Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 39+35=74, Resulting Numbers: [74] 74,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 78:[39, 31], Operations: ['62-29=33', '33-2=31'] Exploring Operation: 39+31=70, Resulting Numbers: [70] 70,78 unequal: No Solution Exploring Operation: 39*31=1209, Resulting Numbers: [1209] 1209,78 unequal: No Solution Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 78:[33, 78], Operations: ['62-29=33', '2*39=78'] Exploring Operation: 33+78=111, Resulting Numbers: [111] 111,78 unequal: No Solution Exploring Operation: 78-33=45, Resulting Numbers: [45] 45,78 unequal: No Solution Exploring Operation: 33*78=2574, Resulting Numbers: [2574] 2574,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 78:[2, 29, 23], Operations: ['62-39=23'] Exploring Operation: 29-23=6, Resulting Numbers: [2, 6] Generated Node #0,2,0: 78:[2, 6] Operation: 29-23=6 Exploring Operation: 2+29=31, Resulting Numbers: [23, 31] Generated Node #0,2,1: 78:[23, 31] Operation: 2+29=31 Exploring Operation: 29-2=27, Resulting Numbers: [23, 27] Generated Node #0,2,2: 78:[23, 27] Operation: 29-2=27 Exploring Operation: 2+23=25, Resulting Numbers: [29, 25] Generated Node #0,2,3: 78:[29, 25] Operation: 2+23=25 Moving to Node #0,1 Current State: 78:[29, 39, 31], Operations: ['62/2=31'] Exploring Operation: 39+31=70, Resulting Numbers: [29, 70] Generated Node #0,1,0: 78:[29, 70] Operation: 39+31=70 Exploring Operation: 31-29=2, Resulting Numbers: [39, 2] Generated Node #0,1,1: 78:[39, 2] Operation: 31-29=2 Exploring Operation: 39-29=10, Resulting Numbers: [31, 10] Generated Node #0,1,2: 78:[31, 10] Operation: 39-29=10 Exploring Operation: 39-31=8, Resulting Numbers: [29, 8] Generated Node #0,1,3: 78:[29, 8] Operation: 39-31=8 Moving to Node #0,3 Current State: 78:[2, 39, 91], Operations: ['29+62=91'] Exploring Operation: 91-2=89, Resulting Numbers: [39, 89] Generated Node #0,3,0: 78:[39, 89] Operation: 91-2=89 Exploring Operation: 2*39=78, Resulting Numbers: [91, 78] Generated Node #0,3,1: 78:[91, 78] Operation: 2*39=78 Exploring Operation: 91-39=52, Resulting Numbers: [2, 52] Generated Node #0,3,2: 78:[2, 52] Operation: 91-39=52 Exploring Operation: 2+39=41, Resulting Numbers: [91, 41] Generated Node #0,3,3: 78:[91, 41] Operation: 2+39=41 Moving to Node #0,2,0 Current State: 78:[2, 6], Operations: ['62-39=23', '29-23=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,78 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[39, 2], Operations: ['62/2=31', '31-29=2'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,78 unequal: No Solution Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,78 unequal: No Solution Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[2, 29, 62, 39], Operations: [] Exploring Operation: 62/2=31, Resulting Numbers: [29, 39, 31] Generated Node #0,1: 78:[29, 39, 31] Operation: 62/2=31 Moving to Node #0,1 Current State: 78:[29, 39, 31], Operations: ['62/2=31'] Exploring Operation: 31-29=2, Resulting Numbers: [39, 2] Generated Node #0,1,1: 78:[39, 2] Operation: 31-29=2 Moving to Node #0,1,1 Current State: 78:[39, 2], Operations: ['62/2=31', '31-29=2'] Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
0.961806
hs_4
mult_heuristic
[ 70, 64, 20, 17 ]
97
[ "70+64=134", "20+17=37", "134-37=97" ]
Current State: 97:[70, 64, 20, 17], Operations: [] Exploring Operation: 70+64=134, Resulting Numbers: [20, 17, 134] Generated Node #2: [20, 17, 134] from Operation: 70+64=134 Current State: 97:[20, 17, 134], Operations: ['70+64=134'] Exploring Operation: 20+17=37, Resulting Numbers: [134, 37] Generated Node #3: [134, 37] from Operation: 20+17=37 Current State: 97:[134, 37], Operations: ['70+64=134', '20+17=37'] Exploring Operation: 134-37=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[70, 64, 20, 17], Operations: [] Exploring Operation: 20+17=37, Resulting Numbers: [70, 64, 37] Generated Node #0,0: 97:[70, 64, 37] Operation: 20+17=37 Exploring Operation: 64+17=81, Resulting Numbers: [70, 20, 81] Generated Node #0,1: 97:[70, 20, 81] Operation: 64+17=81 Exploring Operation: 64+20=84, Resulting Numbers: [70, 17, 84] Generated Node #0,2: 97:[70, 17, 84] Operation: 64+20=84 Exploring Operation: 70+20=90, Resulting Numbers: [64, 17, 90] Generated Node #0,3: 97:[64, 17, 90] Operation: 70+20=90 Exploring Operation: 70+17=87, Resulting Numbers: [64, 20, 87] Generated Node #0,4: 97:[64, 20, 87] Operation: 70+17=87 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[70, 64, 37], Operations: ['20+17=37'] Exploring Operation: 70-37=33, Resulting Numbers: [64, 33] Generated Node #0,0,0: 97:[64, 33] Operation: 70-37=33 Exploring Operation: 70+37=107, Resulting Numbers: [64, 107] Generated Node #0,0,1: 97:[64, 107] Operation: 70+37=107 Exploring Operation: 64+37=101, Resulting Numbers: [70, 101] Generated Node #0,0,2: 97:[70, 101] Operation: 64+37=101 Exploring Operation: 70+64=134, Resulting Numbers: [37, 134] Generated Node #0,0,3: 97:[37, 134] Operation: 70+64=134 Exploring Operation: 64-37=27, Resulting Numbers: [70, 27] Generated Node #0,0,4: 97:[70, 27] Operation: 64-37=27 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[70, 101], Operations: ['20+17=37', '64+37=101'] Exploring Operation: 101-70=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 70*101=7070, Resulting Numbers: [7070] 7070,97 unequal: No Solution Exploring Operation: 70+101=171, Resulting Numbers: [171] 171,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[64, 107], Operations: ['20+17=37', '70+37=107'] Exploring Operation: 64*107=6848, Resulting Numbers: [6848] 6848,97 unequal: No Solution Exploring Operation: 107-64=43, Resulting Numbers: [43] 43,97 unequal: No Solution Exploring Operation: 64+107=171, Resulting Numbers: [171] 171,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[64, 33], Operations: ['20+17=37', '70-37=33'] Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[70, 64, 20, 17], Operations: [] Exploring Operation: 20+17=37, Resulting Numbers: [70, 64, 37] Generated Node #0,0: 97:[70, 64, 37] Operation: 20+17=37 Moving to Node #0,0 Current State: 97:[70, 64, 37], Operations: ['20+17=37'] Exploring Operation: 70-37=33, Resulting Numbers: [64, 33] Generated Node #0,0,0: 97:[64, 33] Operation: 70-37=33 Moving to Node #0,0,0 Current State: 97:[64, 33], Operations: ['20+17=37', '70-37=33'] Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 68, 80, 30, 86 ]
92
[ "68+80=148", "86-30=56", "148-56=92" ]
Current State: 92:[68, 80, 30, 86], Operations: [] Exploring Operation: 68+80=148, Resulting Numbers: [30, 86, 148] Generated Node #2: [30, 86, 148] from Operation: 68+80=148 Current State: 92:[30, 86, 148], Operations: ['68+80=148'] Exploring Operation: 86-30=56, Resulting Numbers: [148, 56] Generated Node #3: [148, 56] from Operation: 86-30=56 Current State: 92:[148, 56], Operations: ['68+80=148', '86-30=56'] Exploring Operation: 148-56=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[68, 80, 30, 86], Operations: [] Exploring Operation: 80-68=12, Resulting Numbers: [30, 86, 12] Generated Node #0,0: 92:[30, 86, 12] Operation: 80-68=12 Exploring Operation: 68+30=98, Resulting Numbers: [80, 86, 98] Generated Node #0,1: 92:[80, 86, 98] Operation: 68+30=98 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[30, 86, 12], Operations: ['80-68=12'] Exploring Operation: 30+12=42, Resulting Numbers: [86, 42] Generated Node #0,0,0: 92:[86, 42] Operation: 30+12=42 Exploring Operation: 30-12=18, Resulting Numbers: [86, 18] Generated Node #0,0,1: 92:[86, 18] Operation: 30-12=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[86, 42], Operations: ['80-68=12', '30+12=42'] Exploring Operation: 86+42=128, Resulting Numbers: [128] 128,92 unequal: No Solution Exploring Operation: 86-42=44, Resulting Numbers: [44] 44,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 92:[86, 18], Operations: ['80-68=12', '30-12=18'] Exploring Operation: 86+18=104, Resulting Numbers: [104] 104,92 unequal: No Solution Exploring Operation: 86-18=68, Resulting Numbers: [68] 68,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[80, 86, 98], Operations: ['68+30=98'] Exploring Operation: 98-80=18, Resulting Numbers: [86, 18] Generated Node #0,1,0: 92:[86, 18] Operation: 98-80=18 Exploring Operation: 86-80=6, Resulting Numbers: [98, 6] Generated Node #0,1,1: 92:[98, 6] Operation: 86-80=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 92:[98, 6], Operations: ['68+30=98', '86-80=6'] Exploring Operation: 98+6=104, Resulting Numbers: [104] 104,92 unequal: No Solution Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[68, 80, 30, 86], Operations: [] Exploring Operation: 68+30=98, Resulting Numbers: [80, 86, 98] Generated Node #0,1: 92:[80, 86, 98] Operation: 68+30=98 Moving to Node #0,1 Current State: 92:[80, 86, 98], Operations: ['68+30=98'] Exploring Operation: 86-80=6, Resulting Numbers: [98, 6] Generated Node #0,1,1: 92:[98, 6] Operation: 86-80=6 Moving to Node #0,1,1 Current State: 92:[98, 6], Operations: ['68+30=98', '86-80=6'] Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 71, 43, 82, 2 ]
98
[ "71+43=114", "82+114=196", "196/2=98" ]
Current State: 98:[71, 43, 82, 2], Operations: [] Exploring Operation: 71+43=114, Resulting Numbers: [82, 2, 114] Generated Node #2: [82, 2, 114] from Operation: 71+43=114 Current State: 98:[82, 2, 114], Operations: ['71+43=114'] Exploring Operation: 82+114=196, Resulting Numbers: [2, 196] Generated Node #3: [2, 196] from Operation: 82+114=196 Current State: 98:[2, 196], Operations: ['71+43=114', '82+114=196'] Exploring Operation: 196/2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[71, 43, 82, 2], Operations: [] Exploring Operation: 71-43=28, Resulting Numbers: [82, 2, 28] Generated Node #0,0: 98:[82, 2, 28] Operation: 71-43=28 Exploring Operation: 82-71=11, Resulting Numbers: [43, 2, 11] Generated Node #0,1: 98:[43, 2, 11] Operation: 82-71=11 Exploring Operation: 71+43=114, Resulting Numbers: [82, 2, 114] Generated Node #0,2: 98:[82, 2, 114] Operation: 71+43=114 Moving to Node #0,1 Current State: 98:[43, 2, 11], Operations: ['82-71=11'] Exploring Operation: 43+2=45, Resulting Numbers: [11, 45] Generated Node #0,1,0: 98:[11, 45] Operation: 43+2=45 Exploring Operation: 2+11=13, Resulting Numbers: [43, 13] Generated Node #0,1,1: 98:[43, 13] Operation: 2+11=13 Exploring Operation: 43+11=54, Resulting Numbers: [2, 54] Generated Node #0,1,2: 98:[2, 54] Operation: 43+11=54 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 98:[2, 54], Operations: ['82-71=11', '43+11=54'] Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,98 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 2*54=108, Resulting Numbers: [108] 108,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[11, 45], Operations: ['82-71=11', '43+2=45'] Exploring Operation: 11+45=56, Resulting Numbers: [56] 56,98 unequal: No Solution Exploring Operation: 11*45=495, Resulting Numbers: [495] 495,98 unequal: No Solution Exploring Operation: 45-11=34, Resulting Numbers: [34] 34,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[43, 13], Operations: ['82-71=11', '2+11=13'] Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,98 unequal: No Solution Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,98 unequal: No Solution Exploring Operation: 43*13=559, Resulting Numbers: [559] 559,98 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: 98:[82, 2, 28], Operations: ['71-43=28'] Exploring Operation: 82-28=54, Resulting Numbers: [2, 54] Generated Node #0,0,0: 98:[2, 54] Operation: 82-28=54 Exploring Operation: 82+28=110, Resulting Numbers: [2, 110] Generated Node #0,0,1: 98:[2, 110] Operation: 82+28=110 Exploring Operation: 28/2=14, Resulting Numbers: [82, 14] Generated Node #0,0,2: 98:[82, 14] Operation: 28/2=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[2, 54], Operations: ['71-43=28', '82-28=54'] Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 2*54=108, Resulting Numbers: [108] 108,98 unequal: No Solution Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 98:[2, 110], Operations: ['71-43=28', '82+28=110'] Exploring Operation: 110/2=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 2+110=112, Resulting Numbers: [112] 112,98 unequal: No Solution Exploring Operation: 110-2=108, Resulting Numbers: [108] 108,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 98:[82, 14], Operations: ['71-43=28', '28/2=14'] Exploring Operation: 82*14=1148, Resulting Numbers: [1148] 1148,98 unequal: No Solution Exploring Operation: 82-14=68, Resulting Numbers: [68] 68,98 unequal: No Solution Exploring Operation: 82+14=96, Resulting Numbers: [96] 96,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 98:[82, 2, 114], Operations: ['71+43=114'] Exploring Operation: 114/2=57, Resulting Numbers: [82, 57] Generated Node #0,2,0: 98:[82, 57] Operation: 114/2=57 Exploring Operation: 114-82=32, Resulting Numbers: [2, 32] Generated Node #0,2,1: 98:[2, 32] Operation: 114-82=32 Exploring Operation: 82/2=41, Resulting Numbers: [114, 41] Generated Node #0,2,2: 98:[114, 41] Operation: 82/2=41 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 98:[2, 32], Operations: ['71+43=114', '114-82=32'] Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 98:[82, 57], Operations: ['71+43=114', '114/2=57'] Exploring Operation: 82+57=139, Resulting Numbers: [139] 139,98 unequal: No Solution Exploring Operation: 82-57=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 82*57=4674, Resulting Numbers: [4674] 4674,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 98:[114, 41], Operations: ['71+43=114', '82/2=41'] Exploring Operation: 114*41=4674, Resulting Numbers: [4674] 4674,98 unequal: No Solution Exploring Operation: 114+41=155, Resulting Numbers: [155] 155,98 unequal: No Solution Exploring Operation: 114-41=73, Resulting Numbers: [73] 73,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 62, 94, 91, 48 ]
11
[ "94-62=32", "91-48=43", "43-32=11" ]
Current State: 11:[62, 94, 91, 48], Operations: [] Exploring Operation: 94-62=32, Resulting Numbers: [91, 48, 32] Generated Node #2: [91, 48, 32] from Operation: 94-62=32 Current State: 11:[91, 48, 32], Operations: ['94-62=32'] Exploring Operation: 91-48=43, Resulting Numbers: [32, 43] Generated Node #3: [32, 43] from Operation: 91-48=43 Current State: 11:[32, 43], Operations: ['94-62=32', '91-48=43'] Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[62, 94, 91, 48], Operations: [] Exploring Operation: 62-48=14, Resulting Numbers: [94, 91, 14] Generated Node #0,0: 11:[94, 91, 14] Operation: 62-48=14 Exploring Operation: 91-62=29, Resulting Numbers: [94, 48, 29] Generated Node #0,1: 11:[94, 48, 29] Operation: 91-62=29 Exploring Operation: 94-91=3, Resulting Numbers: [62, 48, 3] Generated Node #0,2: 11:[62, 48, 3] Operation: 94-91=3 Exploring Operation: 94-62=32, Resulting Numbers: [91, 48, 32] Generated Node #0,3: 11:[91, 48, 32] Operation: 94-62=32 Exploring Operation: 94-48=46, Resulting Numbers: [62, 91, 46] Generated Node #0,4: 11:[62, 91, 46] Operation: 94-48=46 Moving to Node #0,2 Current State: 11:[62, 48, 3], Operations: ['94-91=3'] Exploring Operation: 62+3=65, Resulting Numbers: [48, 65] Generated Node #0,2,0: 11:[48, 65] Operation: 62+3=65 Exploring Operation: 62-3=59, Resulting Numbers: [48, 59] Generated Node #0,2,1: 11:[48, 59] Operation: 62-3=59 Exploring Operation: 48-3=45, Resulting Numbers: [62, 45] Generated Node #0,2,2: 11:[62, 45] Operation: 48-3=45 Exploring Operation: 48/3=16, Resulting Numbers: [62, 16] Generated Node #0,2,3: 11:[62, 16] Operation: 48/3=16 Exploring Operation: 62-48=14, Resulting Numbers: [3, 14] Generated Node #0,2,4: 11:[3, 14] Operation: 62-48=14 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 11:[3, 14], Operations: ['94-91=3', '62-48=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[62, 94, 91, 48], Operations: [] Exploring Operation: 94-91=3, Resulting Numbers: [62, 48, 3] Generated Node #0,2: 11:[62, 48, 3] Operation: 94-91=3 Moving to Node #0,2 Current State: 11:[62, 48, 3], Operations: ['94-91=3'] Exploring Operation: 62-48=14, Resulting Numbers: [3, 14] Generated Node #0,2,4: 11:[3, 14] Operation: 62-48=14 Moving to Node #0,2,4 Current State: 11:[3, 14], Operations: ['94-91=3', '62-48=14'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 45, 48, 74, 15 ]
86
[ "48-45=3", "74+15=89", "89-3=86" ]
Current State: 86:[45, 48, 74, 15], Operations: [] Exploring Operation: 48-45=3, Resulting Numbers: [74, 15, 3] Generated Node #2: [74, 15, 3] from Operation: 48-45=3 Current State: 86:[74, 15, 3], Operations: ['48-45=3'] Exploring Operation: 74+15=89, Resulting Numbers: [3, 89] Generated Node #3: [3, 89] from Operation: 74+15=89 Current State: 86:[3, 89], Operations: ['48-45=3', '74+15=89'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[45, 48, 74, 15], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [48, 74, 3] Generated Node #0,0: 86:[48, 74, 3] Operation: 45/15=3 Exploring Operation: 74+15=89, Resulting Numbers: [45, 48, 89] Generated Node #0,1: 86:[45, 48, 89] Operation: 74+15=89 Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[45, 48, 89], Operations: ['74+15=89'] Exploring Operation: 89-48=41, Resulting Numbers: [45, 41] Generated Node #0,1,0: 86:[45, 41] Operation: 89-48=41 Exploring Operation: 48-45=3, Resulting Numbers: [89, 3] Generated Node #0,1,1: 86:[89, 3] Operation: 48-45=3 Moving to Node #0,1,0 Current State: 86:[45, 41], Operations: ['74+15=89', '89-48=41'] Exploring Operation: 45+41=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[45, 48, 74, 15], Operations: [] Exploring Operation: 74+15=89, Resulting Numbers: [45, 48, 89] Generated Node #0,1: 86:[45, 48, 89] Operation: 74+15=89 Moving to Node #0,1 Current State: 86:[45, 48, 89], Operations: ['74+15=89'] Exploring Operation: 89-48=41, Resulting Numbers: [45, 41] Generated Node #0,1,0: 86:[45, 41] Operation: 89-48=41 Moving to Node #0,1,0 Current State: 86:[45, 41], Operations: ['74+15=89', '89-48=41'] Exploring Operation: 45+41=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 81, 94, 2, 65 ]
26
[ "94-81=13", "65-13=52", "52/2=26" ]
Current State: 26:[81, 94, 2, 65], Operations: [] Exploring Operation: 94-81=13, Resulting Numbers: [2, 65, 13] Generated Node #2: [2, 65, 13] from Operation: 94-81=13 Current State: 26:[2, 65, 13], Operations: ['94-81=13'] Exploring Operation: 65-13=52, Resulting Numbers: [2, 52] Generated Node #3: [2, 52] from Operation: 65-13=52 Current State: 26:[2, 52], Operations: ['94-81=13', '65-13=52'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[81, 94, 2, 65], Operations: [] Exploring Operation: 81-2=79, Resulting Numbers: [94, 65, 79] Generated Node #0,0: 26:[94, 65, 79] Operation: 81-2=79 Exploring Operation: 94/2=47, Resulting Numbers: [81, 65, 47] Generated Node #0,1: 26:[81, 65, 47] Operation: 94/2=47 Exploring Operation: 94-65=29, Resulting Numbers: [81, 2, 29] Generated Node #0,2: 26:[81, 2, 29] Operation: 94-65=29 Exploring Operation: 94-81=13, Resulting Numbers: [2, 65, 13] Generated Node #0,3: 26:[2, 65, 13] Operation: 94-81=13 Exploring Operation: 81-65=16, Resulting Numbers: [94, 2, 16] Generated Node #0,4: 26:[94, 2, 16] Operation: 81-65=16 Moving to Node #0,3 Current State: 26:[2, 65, 13], Operations: ['94-81=13'] Exploring Operation: 65-13=52, Resulting Numbers: [2, 52] Generated Node #0,3,0: 26:[2, 52] Operation: 65-13=52 Exploring Operation: 2+65=67, Resulting Numbers: [13, 67] Generated Node #0,3,1: 26:[13, 67] Operation: 2+65=67 Exploring Operation: 2*13=26, Resulting Numbers: [65, 26] Generated Node #0,3,2: 26:[65, 26] Operation: 2*13=26 Exploring Operation: 65-2=63, Resulting Numbers: [13, 63] Generated Node #0,3,3: 26:[13, 63] Operation: 65-2=63 Exploring Operation: 65/13=5, Resulting Numbers: [2, 5] Generated Node #0,3,4: 26:[2, 5] Operation: 65/13=5 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 26:[2, 5], Operations: ['94-81=13', '65/13=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,26 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,26 unequal: No Solution No 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: 26:[2, 52], Operations: ['94-81=13', '65-13=52'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[81, 94, 2, 65], Operations: [] Exploring Operation: 94-81=13, Resulting Numbers: [2, 65, 13] Generated Node #0,3: 26:[2, 65, 13] Operation: 94-81=13 Moving to Node #0,3 Current State: 26:[2, 65, 13], Operations: ['94-81=13'] Exploring Operation: 65-13=52, Resulting Numbers: [2, 52] Generated Node #0,3,0: 26:[2, 52] Operation: 65-13=52 Moving to Node #0,3,0 Current State: 26:[2, 52], Operations: ['94-81=13', '65-13=52'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 62, 4, 1, 87 ]
33
[ "4-1=3", "87/3=29", "62-29=33" ]
Current State: 33:[62, 4, 1, 87], Operations: [] Exploring Operation: 4-1=3, Resulting Numbers: [62, 87, 3] Generated Node #2: [62, 87, 3] from Operation: 4-1=3 Current State: 33:[62, 87, 3], Operations: ['4-1=3'] Exploring Operation: 87/3=29, Resulting Numbers: [62, 29] Generated Node #3: [62, 29] from Operation: 87/3=29 Current State: 33:[62, 29], Operations: ['4-1=3', '87/3=29'] Exploring Operation: 62-29=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[62, 4, 1, 87], Operations: [] Exploring Operation: 87-62=25, Resulting Numbers: [4, 1, 25] Generated Node #0,0: 33:[4, 1, 25] Operation: 87-62=25 Exploring Operation: 62-4=58, Resulting Numbers: [1, 87, 58] Generated Node #0,1: 33:[1, 87, 58] Operation: 62-4=58 Exploring Operation: 87-4=83, Resulting Numbers: [62, 1, 83] Generated Node #0,2: 33:[62, 1, 83] Operation: 87-4=83 Exploring Operation: 62-1=61, Resulting Numbers: [4, 87, 61] Generated Node #0,3: 33:[4, 87, 61] Operation: 62-1=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[4, 1, 25], Operations: ['87-62=25'] Exploring Operation: 4-1=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 33:[25, 3] Operation: 4-1=3 Exploring Operation: 4+25=29, Resulting Numbers: [1, 29] Generated Node #0,0,1: 33:[1, 29] Operation: 4+25=29 Exploring Operation: 1+25=26, Resulting Numbers: [4, 26] Generated Node #0,0,2: 33:[4, 26] Operation: 1+25=26 Exploring Operation: 4*1=4, Resulting Numbers: [25, 4] Generated Node #0,0,3: 33:[25, 4] Operation: 4*1=4 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[1, 29], Operations: ['87-62=25', '4+25=29'] Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,33 unequal: No Solution Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,33 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 #0,0,0 Current State: 33:[25, 3], Operations: ['87-62=25', '4-1=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,33 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,33 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 #0,0,2 Current State: 33:[4, 26], Operations: ['87-62=25', '1+25=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,33 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 #0,0,3 Current State: 33:[25, 4], Operations: ['87-62=25', '4*1=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,33 unequal: No Solution Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,33 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,33 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:[1, 87, 58], Operations: ['62-4=58'] Exploring Operation: 1*87=87, Resulting Numbers: [58, 87] Generated Node #0,1,0: 33:[58, 87] Operation: 1*87=87 Exploring Operation: 58-1=57, Resulting Numbers: [87, 57] Generated Node #0,1,1: 33:[87, 57] Operation: 58-1=57 Exploring Operation: 87-1=86, Resulting Numbers: [58, 86] Generated Node #0,1,2: 33:[58, 86] Operation: 87-1=86 Exploring Operation: 87-58=29, Resulting Numbers: [1, 29] Generated Node #0,1,3: 33:[1, 29] Operation: 87-58=29 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 33:[1, 29], Operations: ['62-4=58', '87-58=29'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,33 unequal: No Solution Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,33 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 #0,1,1 Current State: 33:[87, 57], Operations: ['62-4=58', '58-1=57'] Exploring Operation: 87*57=4959, Resulting Numbers: [4959] 4959,33 unequal: No Solution Exploring Operation: 87-57=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 87+57=144, Resulting Numbers: [144] 144,33 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 #0,1,2 Current State: 33:[58, 86], Operations: ['62-4=58', '87-1=86'] Exploring Operation: 58*86=4988, Resulting Numbers: [4988] 4988,33 unequal: No Solution Exploring Operation: 58+86=144, Resulting Numbers: [144] 144,33 unequal: No Solution Exploring Operation: 86-58=28, Resulting Numbers: [28] 28,33 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 #0,1,0 Current State: 33:[58, 87], Operations: ['62-4=58', '1*87=87'] Exploring Operation: 87-58=29, Resulting Numbers: [29] 29,33 unequal: No Solution Exploring Operation: 58*87=5046, Resulting Numbers: [5046] 5046,33 unequal: No Solution Exploring Operation: 58+87=145, Resulting Numbers: [145] 145,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[62, 1, 83], Operations: ['87-4=83'] Exploring Operation: 83-1=82, Resulting Numbers: [62, 82] Generated Node #0,2,0: 33:[62, 82] Operation: 83-1=82 Exploring Operation: 83-62=21, Resulting Numbers: [1, 21] Generated Node #0,2,1: 33:[1, 21] Operation: 83-62=21 Exploring Operation: 62-1=61, Resulting Numbers: [83, 61] Generated Node #0,2,2: 33:[83, 61] Operation: 62-1=61 Exploring Operation: 62*1=62, Resulting Numbers: [83, 62] Generated Node #0,2,3: 33:[83, 62] Operation: 62*1=62 Moving to Node #0,2,1 Current State: 33:[1, 21], Operations: ['87-4=83', '83-62=21'] Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,33 unequal: No Solution Exploring Operation: 1+21=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 1*21=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[83, 61], Operations: ['87-4=83', '62-1=61'] Exploring Operation: 83*61=5063, Resulting Numbers: [5063] 5063,33 unequal: No Solution Exploring Operation: 83+61=144, Resulting Numbers: [144] 144,33 unequal: No Solution Exploring Operation: 83-61=22, Resulting Numbers: [22] 22,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[62, 82], Operations: ['87-4=83', '83-1=82'] Exploring Operation: 62+82=144, Resulting Numbers: [144] 144,33 unequal: No Solution Exploring Operation: 62*82=5084, Resulting Numbers: [5084] 5084,33 unequal: No Solution Exploring Operation: 82-62=20, Resulting Numbers: [20] 20,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[83, 62], Operations: ['87-4=83', '62*1=62'] Exploring Operation: 83-62=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 83+62=145, Resulting Numbers: [145] 145,33 unequal: No Solution Exploring Operation: 83*62=5146, Resulting Numbers: [5146] 5146,33 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:[4, 87, 61], Operations: ['62-1=61'] Exploring Operation: 4+87=91, Resulting Numbers: [61, 91] Generated Node #0,3,0: 33:[61, 91] Operation: 4+87=91 Exploring Operation: 87-61=26, Resulting Numbers: [4, 26] Generated Node #0,3,1: 33:[4, 26] Operation: 87-61=26 Exploring Operation: 87-4=83, Resulting Numbers: [61, 83] Generated Node #0,3,2: 33:[61, 83] Operation: 87-4=83 Exploring Operation: 61-4=57, Resulting Numbers: [87, 57] Generated Node #0,3,3: 33:[87, 57] Operation: 61-4=57 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 33:[4, 26], Operations: ['62-1=61', '87-61=26'] Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,33 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 4+26=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 #0,3,2 Current State: 33:[61, 83], Operations: ['62-1=61', '87-4=83'] Exploring Operation: 83-61=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 61*83=5063, Resulting Numbers: [5063] 5063,33 unequal: No Solution Exploring Operation: 61+83=144, Resulting Numbers: [144] 144,33 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:[87, 57], Operations: ['62-1=61', '61-4=57'] Exploring Operation: 87+57=144, Resulting Numbers: [144] 144,33 unequal: No Solution Exploring Operation: 87-57=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 87*57=4959, Resulting Numbers: [4959] 4959,33 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:[61, 91], Operations: ['62-1=61', '4+87=91'] Exploring Operation: 91-61=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 61*91=5551, Resulting Numbers: [5551] 5551,33 unequal: No Solution Exploring Operation: 61+91=152, Resulting Numbers: [152] 152,33 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
[ 9, 24, 61, 20 ]
15
[ "61+20=81", "81/9=9", "24-9=15" ]
Current State: 15:[9, 24, 61, 20], Operations: [] Exploring Operation: 61+20=81, Resulting Numbers: [9, 24, 81] Generated Node #2: [9, 24, 81] from Operation: 61+20=81 Current State: 15:[9, 24, 81], Operations: ['61+20=81'] Exploring Operation: 81/9=9, Resulting Numbers: [24, 9] Generated Node #3: [24, 9] from Operation: 81/9=9 Current State: 15:[24, 9], Operations: ['61+20=81', '81/9=9'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[9, 24, 61, 20], Operations: [] Exploring Operation: 24-9=15, Resulting Numbers: [61, 20, 15] Generated Node #0,0: 15:[61, 20, 15] Operation: 24-9=15 Exploring Operation: 61-9=52, Resulting Numbers: [24, 20, 52] Generated Node #0,1: 15:[24, 20, 52] Operation: 61-9=52 Exploring Operation: 61-20=41, Resulting Numbers: [9, 24, 41] Generated Node #0,2: 15:[9, 24, 41] Operation: 61-20=41 Exploring Operation: 61-24=37, Resulting Numbers: [9, 20, 37] Generated Node #0,3: 15:[9, 20, 37] Operation: 61-24=37 Start Sub Search at level 1: Moving to Node #0,3 Current State: 15:[9, 20, 37], Operations: ['61-24=37'] Exploring Operation: 37-9=28, Resulting Numbers: [20, 28] Generated Node #0,3,0: 15:[20, 28] Operation: 37-9=28 Exploring Operation: 37-20=17, Resulting Numbers: [9, 17] Generated Node #0,3,1: 15:[9, 17] Operation: 37-20=17 Exploring Operation: 9+20=29, Resulting Numbers: [37, 29] Generated Node #0,3,2: 15:[37, 29] Operation: 9+20=29 Exploring Operation: 20-9=11, Resulting Numbers: [37, 11] Generated Node #0,3,3: 15:[37, 11] Operation: 20-9=11 Moving to Node #0,3,1 Current State: 15:[9, 17], Operations: ['61-24=37', '37-20=17'] Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,15 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,15 unequal: No Solution Moving to Node #0,3,0 Current State: 15:[20, 28], Operations: ['61-24=37', '37-9=28'] Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 20*28=560, Resulting Numbers: [560] 560,15 unequal: No Solution Exploring Operation: 20+28=48, Resulting Numbers: [48] 48,15 unequal: No Solution Moving to Node #0,3,3 Current State: 15:[37, 11], Operations: ['61-24=37', '20-9=11'] Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,15 unequal: No Solution Exploring Operation: 37+11=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 37*11=407, Resulting Numbers: [407] 407,15 unequal: No Solution Moving to Node #0,3,2 Current State: 15:[37, 29], Operations: ['61-24=37', '9+20=29'] Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,15 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,15 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 Current State: 15:[9, 24, 41], Operations: ['61-20=41'] Exploring Operation: 24-9=15, Resulting Numbers: [41, 15] Generated Node #0,2,0: 15:[41, 15] Operation: 24-9=15 Exploring Operation: 9+24=33, Resulting Numbers: [41, 33] Generated Node #0,2,1: 15:[41, 33] Operation: 9+24=33 Exploring Operation: 41-9=32, Resulting Numbers: [24, 32] Generated Node #0,2,2: 15:[24, 32] Operation: 41-9=32 Exploring Operation: 41-24=17, Resulting Numbers: [9, 17] Generated Node #0,2,3: 15:[9, 17] Operation: 41-24=17 Moving to Node #0,2,3 Current State: 15:[9, 17], Operations: ['61-20=41', '41-24=17'] Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,15 unequal: No Solution Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,15 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,15 unequal: No Solution Moving to Node #0,2,2 Current State: 15:[24, 32], Operations: ['61-20=41', '41-9=32'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,15 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,15 unequal: No Solution Moving to Node #0,2,0 Current State: 15:[41, 15], Operations: ['61-20=41', '24-9=15'] Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,15 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,15 unequal: No Solution Exploring Operation: 41*15=615, Resulting Numbers: [615] 615,15 unequal: No Solution Moving to Node #0,2,1 Current State: 15:[41, 33], Operations: ['61-20=41', '9+24=33'] Exploring Operation: 41*33=1353, Resulting Numbers: [1353] 1353,15 unequal: No Solution Exploring Operation: 41+33=74, Resulting Numbers: [74] 74,15 unequal: No Solution Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,15 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 Current State: 15:[61, 20, 15], Operations: ['24-9=15'] Exploring Operation: 20-15=5, Resulting Numbers: [61, 5] Generated Node #0,0,0: 15:[61, 5] Operation: 20-15=5 Exploring Operation: 61-15=46, Resulting Numbers: [20, 46] Generated Node #0,0,1: 15:[20, 46] Operation: 61-15=46 Exploring Operation: 61-20=41, Resulting Numbers: [15, 41] Generated Node #0,0,2: 15:[15, 41] Operation: 61-20=41 Exploring Operation: 61+20=81, Resulting Numbers: [15, 81] Generated Node #0,0,3: 15:[15, 81] Operation: 61+20=81 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 15:[15, 41], Operations: ['24-9=15', '61-20=41'] Exploring Operation: 15*41=615, Resulting Numbers: [615] 615,15 unequal: No Solution Exploring Operation: 15+41=56, Resulting Numbers: [56] 56,15 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 15:[20, 46], Operations: ['24-9=15', '61-15=46'] Exploring Operation: 46-20=26, Resulting Numbers: [26] 26,15 unequal: No Solution Exploring Operation: 20*46=920, Resulting Numbers: [920] 920,15 unequal: No Solution Exploring Operation: 20+46=66, Resulting Numbers: [66] 66,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[61, 5], Operations: ['24-9=15', '20-15=5'] Exploring Operation: 61*5=305, Resulting Numbers: [305] 305,15 unequal: No Solution Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,15 unequal: No Solution Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 15:[15, 81], Operations: ['24-9=15', '61+20=81'] Exploring Operation: 15*81=1215, Resulting Numbers: [1215] 1215,15 unequal: No Solution Exploring Operation: 81-15=66, Resulting Numbers: [66] 66,15 unequal: No Solution Exploring Operation: 15+81=96, Resulting Numbers: [96] 96,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[24, 20, 52], Operations: ['61-9=52'] Exploring Operation: 24+20=44, Resulting Numbers: [52, 44] Generated Node #0,1,0: 15:[52, 44] Operation: 24+20=44 Exploring Operation: 52-20=32, Resulting Numbers: [24, 32] Generated Node #0,1,1: 15:[24, 32] Operation: 52-20=32 Exploring Operation: 24-20=4, Resulting Numbers: [52, 4] Generated Node #0,1,2: 15:[52, 4] Operation: 24-20=4 Exploring Operation: 52-24=28, Resulting Numbers: [20, 28] Generated Node #0,1,3: 15:[20, 28] Operation: 52-24=28 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 15:[20, 28], Operations: ['61-9=52', '52-24=28'] Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 20*28=560, Resulting Numbers: [560] 560,15 unequal: No Solution Exploring Operation: 20+28=48, Resulting Numbers: [48] 48,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 15:[24, 32], Operations: ['61-9=52', '52-20=32'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,15 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 15:[52, 4], Operations: ['61-9=52', '24-20=4'] Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,15 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,15 unequal: No Solution Exploring Operation: 52*4=208, Resulting Numbers: [208] 208,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 15:[52, 44], Operations: ['61-9=52', '24+20=44'] Exploring Operation: 52-44=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 52*44=2288, Resulting Numbers: [2288] 2288,15 unequal: No Solution Exploring Operation: 52+44=96, Resulting Numbers: [96] 96,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 4, 10, 17, 56 ]
21
[ "4+10=14", "56/14=4", "17+4=21" ]
Current State: 21:[4, 10, 17, 56], Operations: [] Exploring Operation: 4+10=14, Resulting Numbers: [17, 56, 14] Generated Node #2: [17, 56, 14] from Operation: 4+10=14 Current State: 21:[17, 56, 14], Operations: ['4+10=14'] Exploring Operation: 56/14=4, Resulting Numbers: [17, 4] Generated Node #3: [17, 4] from Operation: 56/14=4 Current State: 21:[17, 4], Operations: ['4+10=14', '56/14=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[4, 10, 17, 56], Operations: [] Exploring Operation: 56/4=14, Resulting Numbers: [10, 17, 14] Generated Node #0,0: 21:[10, 17, 14] Operation: 56/4=14 Exploring Operation: 17-10=7, Resulting Numbers: [4, 56, 7] Generated Node #0,1: 21:[4, 56, 7] Operation: 17-10=7 Exploring Operation: 56-17=39, Resulting Numbers: [4, 10, 39] Generated Node #0,2: 21:[4, 10, 39] Operation: 56-17=39 Exploring Operation: 56-10=46, Resulting Numbers: [4, 17, 46] Generated Node #0,3: 21:[4, 17, 46] Operation: 56-10=46 Moving to Node #0,0 Current State: 21:[10, 17, 14], Operations: ['56/4=14'] Exploring Operation: 17-14=3, Resulting Numbers: [10, 3] Generated Node #0,0,0: 21:[10, 3] Operation: 17-14=3 Exploring Operation: 17-10=7, Resulting Numbers: [14, 7] Generated Node #0,0,1: 21:[14, 7] Operation: 17-10=7 Exploring Operation: 14-10=4, Resulting Numbers: [17, 4] Generated Node #0,0,2: 21:[17, 4] Operation: 14-10=4 Exploring Operation: 10+14=24, Resulting Numbers: [17, 24] Generated Node #0,0,3: 21:[17, 24] Operation: 10+14=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[10, 3], Operations: ['56/4=14', '17-14=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,21 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 21:[17, 4], Operations: ['56/4=14', '14-10=4'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[4, 10, 17, 56], Operations: [] Exploring Operation: 56/4=14, Resulting Numbers: [10, 17, 14] Generated Node #0,0: 21:[10, 17, 14] Operation: 56/4=14 Moving to Node #0,0 Current State: 21:[10, 17, 14], Operations: ['56/4=14'] Exploring Operation: 14-10=4, Resulting Numbers: [17, 4] Generated Node #0,0,2: 21:[17, 4] Operation: 14-10=4 Moving to Node #0,0,2 Current State: 21:[17, 4], Operations: ['56/4=14', '14-10=4'] Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 1, 25, 57, 5 ]
52
[ "1*25=25", "25/5=5", "57-5=52" ]
Current State: 52:[1, 25, 57, 5], Operations: [] Exploring Operation: 1*25=25, Resulting Numbers: [57, 5, 25] Generated Node #2: [57, 5, 25] from Operation: 1*25=25 Current State: 52:[57, 5, 25], Operations: ['1*25=25'] Exploring Operation: 25/5=5, Resulting Numbers: [57, 5] Generated Node #3: [57, 5] from Operation: 25/5=5 Current State: 52:[57, 5], Operations: ['1*25=25', '25/5=5'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[1, 25, 57, 5], Operations: [] Exploring Operation: 57-1=56, Resulting Numbers: [25, 5, 56] Generated Node #0,0: 52:[25, 5, 56] Operation: 57-1=56 Exploring Operation: 57-5=52, Resulting Numbers: [1, 25, 52] Generated Node #0,1: 52:[1, 25, 52] Operation: 57-5=52 Exploring Operation: 1+25=26, Resulting Numbers: [57, 5, 26] Generated Node #0,2: 52:[57, 5, 26] Operation: 1+25=26 Moving to Node #0,1 Current State: 52:[1, 25, 52], Operations: ['57-5=52'] Exploring Operation: 1+25=26, Resulting Numbers: [52, 26] Generated Node #0,1,0: 52:[52, 26] Operation: 1+25=26 Exploring Operation: 1*25=25, Resulting Numbers: [52, 25] Generated Node #0,1,1: 52:[52, 25] Operation: 1*25=25 Exploring Operation: 25/1=25, Resulting Numbers: [52, 25] Generated Node #0,1,2: 52:[52, 25] Operation: 25/1=25 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[52, 26], Operations: ['57-5=52', '1+25=26'] Exploring Operation: 52+26=78, Resulting Numbers: [78] 78,52 unequal: No Solution Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[52, 25], Operations: ['57-5=52', '1*25=25'] Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,52 unequal: No Solution Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,52 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 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 #0,1,2 Current State: 52:[52, 25], Operations: ['57-5=52', '25/1=25'] Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,52 unequal: No Solution Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,52 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 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:[25, 5, 56], Operations: ['57-1=56'] Exploring Operation: 56-25=31, Resulting Numbers: [5, 31] Generated Node #0,0,0: 52:[5, 31] Operation: 56-25=31 Exploring Operation: 56-5=51, Resulting Numbers: [25, 51] Generated Node #0,0,1: 52:[25, 51] Operation: 56-5=51 Exploring Operation: 25/5=5, Resulting Numbers: [56, 5] Generated Node #0,0,2: 52:[56, 5] Operation: 25/5=5 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[25, 51], Operations: ['57-1=56', '56-5=51'] Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 25+51=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 25*51=1275, Resulting Numbers: [1275] 1275,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[56, 5], Operations: ['57-1=56', '25/5=5'] Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,52 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,52 unequal: No Solution Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[5, 31], Operations: ['57-1=56', '56-25=31'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,52 unequal: No Solution Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,52 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: 52:[57, 5, 26], Operations: ['1+25=26'] Exploring Operation: 57+5=62, Resulting Numbers: [26, 62] Generated Node #0,2,0: 52:[26, 62] Operation: 57+5=62 Exploring Operation: 57-26=31, Resulting Numbers: [5, 31] Generated Node #0,2,1: 52:[5, 31] Operation: 57-26=31 Exploring Operation: 57-5=52, Resulting Numbers: [26, 52] Generated Node #0,2,2: 52:[26, 52] Operation: 57-5=52 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[26, 52], Operations: ['1+25=26', '57-5=52'] Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 26+52=78, Resulting Numbers: [78] 78,52 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,52 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 #0,2,1 Current State: 52:[5, 31], Operations: ['1+25=26', '57-26=31'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,52 unequal: No Solution Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,52 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 #0,2,0 Current State: 52:[26, 62], Operations: ['1+25=26', '57+5=62'] Exploring Operation: 26*62=1612, Resulting Numbers: [1612] 1612,52 unequal: No Solution Exploring Operation: 62-26=36, Resulting Numbers: [36] 36,52 unequal: No Solution Exploring Operation: 26+62=88, Resulting Numbers: [88] 88,52 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
[ 27, 87, 72, 85 ]
47
[ "87-27=60", "85-72=13", "60-13=47" ]
Current State: 47:[27, 87, 72, 85], Operations: [] Exploring Operation: 87-27=60, Resulting Numbers: [72, 85, 60] Generated Node #2: [72, 85, 60] from Operation: 87-27=60 Current State: 47:[72, 85, 60], Operations: ['87-27=60'] Exploring Operation: 85-72=13, Resulting Numbers: [60, 13] Generated Node #3: [60, 13] from Operation: 85-72=13 Current State: 47:[60, 13], Operations: ['87-27=60', '85-72=13'] Exploring Operation: 60-13=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[27, 87, 72, 85], Operations: [] Exploring Operation: 87-27=60, Resulting Numbers: [72, 85, 60] Generated Node #0,0: 47:[72, 85, 60] Operation: 87-27=60 Exploring Operation: 85-27=58, Resulting Numbers: [87, 72, 58] Generated Node #0,1: 47:[87, 72, 58] Operation: 85-27=58 Moving to Node #0,0 Current State: 47:[72, 85, 60], Operations: ['87-27=60'] Exploring Operation: 85-60=25, Resulting Numbers: [72, 25] Generated Node #0,0,0: 47:[72, 25] Operation: 85-60=25 Exploring Operation: 85-72=13, Resulting Numbers: [60, 13] Generated Node #0,0,1: 47:[60, 13] Operation: 85-72=13 Moving to Node #0,1 Current State: 47:[87, 72, 58], Operations: ['85-27=58'] Exploring Operation: 87-72=15, Resulting Numbers: [58, 15] Generated Node #0,1,0: 47:[58, 15] Operation: 87-72=15 Exploring Operation: 87-58=29, Resulting Numbers: [72, 29] Generated Node #0,1,1: 47:[72, 29] Operation: 87-58=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[58, 15], Operations: ['85-27=58', '87-72=15'] Exploring Operation: 58+15=73, Resulting Numbers: [73] 73,47 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[72, 29], Operations: ['85-27=58', '87-58=29'] Exploring Operation: 72+29=101, Resulting Numbers: [101] 101,47 unequal: No Solution Exploring Operation: 72-29=43, Resulting Numbers: [43] 43,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 47:[72, 25], Operations: ['87-27=60', '85-60=25'] Exploring Operation: 72+25=97, Resulting Numbers: [97] 97,47 unequal: No Solution Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[27, 87, 72, 85], Operations: [] Exploring Operation: 87-27=60, Resulting Numbers: [72, 85, 60] Generated Node #0,0: 47:[72, 85, 60] Operation: 87-27=60 Moving to Node #0,0 Current State: 47:[72, 85, 60], Operations: ['87-27=60'] Exploring Operation: 85-60=25, Resulting Numbers: [72, 25] Generated Node #0,0,0: 47:[72, 25] Operation: 85-60=25 Moving to Node #0,0,0 Current State: 47:[72, 25], Operations: ['87-27=60', '85-60=25'] Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 44, 2, 83, 43 ]
91
[ "44+43=87", "2*87=174", "174-83=91" ]
Current State: 91:[44, 2, 83, 43], Operations: [] Exploring Operation: 44+43=87, Resulting Numbers: [2, 83, 87] Generated Node #2: [2, 83, 87] from Operation: 44+43=87 Current State: 91:[2, 83, 87], Operations: ['44+43=87'] Exploring Operation: 2*87=174, Resulting Numbers: [83, 174] Generated Node #3: [83, 174] from Operation: 2*87=174 Current State: 91:[83, 174], Operations: ['44+43=87', '2*87=174'] Exploring Operation: 174-83=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[44, 2, 83, 43], Operations: [] Exploring Operation: 44+43=87, Resulting Numbers: [2, 83, 87] Generated Node #0,0: 91:[2, 83, 87] Operation: 44+43=87 Exploring Operation: 44-43=1, Resulting Numbers: [2, 83, 1] Generated Node #0,1: 91:[2, 83, 1] Operation: 44-43=1 Moving to Node #0,0 Current State: 91:[2, 83, 87], Operations: ['44+43=87'] Exploring Operation: 87-83=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 91:[2, 4] Operation: 87-83=4 Exploring Operation: 2+83=85, Resulting Numbers: [87, 85] Generated Node #0,0,1: 91:[87, 85] Operation: 2+83=85 Moving to Node #0,1 Current State: 91:[2, 83, 1], Operations: ['44-43=1'] Exploring Operation: 2+1=3, Resulting Numbers: [83, 3] Generated Node #0,1,0: 91:[83, 3] Operation: 2+1=3 Exploring Operation: 2+83=85, Resulting Numbers: [1, 85] Generated Node #0,1,1: 91:[1, 85] Operation: 2+83=85 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[83, 3], Operations: ['44-43=1', '2+1=3'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,91 unequal: No Solution Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,91 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 #0,1,1 Current State: 91:[1, 85], Operations: ['44-43=1', '2+83=85'] Exploring Operation: 1+85=86, Resulting Numbers: [86] 86,91 unequal: No Solution Exploring Operation: 1*85=85, Resulting Numbers: [85] 85,91 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: 91:[2, 4], Operations: ['44+43=87', '87-83=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[87, 85], Operations: ['44+43=87', '2+83=85'] Exploring Operation: 87+85=172, Resulting Numbers: [172] 172,91 unequal: No Solution Exploring Operation: 87-85=2, Resulting Numbers: [2] 2,91 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 77, 70, 84, 91 ]
97
[ "77-70=7", "91/7=13", "84+13=97" ]
Current State: 97:[77, 70, 84, 91], Operations: [] Exploring Operation: 77-70=7, Resulting Numbers: [84, 91, 7] Generated Node #2: [84, 91, 7] from Operation: 77-70=7 Current State: 97:[84, 91, 7], Operations: ['77-70=7'] Exploring Operation: 91/7=13, Resulting Numbers: [84, 13] Generated Node #3: [84, 13] from Operation: 91/7=13 Current State: 97:[84, 13], Operations: ['77-70=7', '91/7=13'] Exploring Operation: 84+13=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[77, 70, 84, 91], Operations: [] Exploring Operation: 77+70=147, Resulting Numbers: [84, 91, 147] Generated Node #0,0: 97:[84, 91, 147] Operation: 77+70=147 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[84, 91, 147], Operations: ['77+70=147'] Exploring Operation: 147-84=63, Resulting Numbers: [91, 63] Generated Node #0,0,0: 97:[91, 63] Operation: 147-84=63 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[91, 63], Operations: ['77+70=147', '147-84=63'] Exploring Operation: 91+63=154, Resulting Numbers: [154] 154,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 5, 14, 66, 23 ]
92
[ "5*14=70", "70-66=4", "23*4=92" ]
Current State: 92:[5, 14, 66, 23], Operations: [] Exploring Operation: 5*14=70, Resulting Numbers: [66, 23, 70] Generated Node #2: [66, 23, 70] from Operation: 5*14=70 Current State: 92:[66, 23, 70], Operations: ['5*14=70'] Exploring Operation: 70-66=4, Resulting Numbers: [23, 4] Generated Node #3: [23, 4] from Operation: 70-66=4 Current State: 92:[23, 4], Operations: ['5*14=70', '70-66=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[5, 14, 66, 23], Operations: [] Exploring Operation: 66-14=52, Resulting Numbers: [5, 23, 52] Generated Node #0,0: 92:[5, 23, 52] Operation: 66-14=52 Exploring Operation: 14+66=80, Resulting Numbers: [5, 23, 80] Generated Node #0,1: 92:[5, 23, 80] Operation: 14+66=80 Moving to Node #0,0 Current State: 92:[5, 23, 52], Operations: ['66-14=52'] Exploring Operation: 52-23=29, Resulting Numbers: [5, 29] Generated Node #0,0,0: 92:[5, 29] Operation: 52-23=29 Exploring Operation: 52-5=47, Resulting Numbers: [23, 47] Generated Node #0,0,1: 92:[23, 47] Operation: 52-5=47 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 92:[23, 47], Operations: ['66-14=52', '52-5=47'] Exploring Operation: 47-23=24, Resulting Numbers: [24] 24,92 unequal: No Solution Exploring Operation: 23+47=70, Resulting Numbers: [70] 70,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[5, 29], Operations: ['66-14=52', '52-23=29'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,92 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,92 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: 92:[5, 23, 80], Operations: ['14+66=80'] Exploring Operation: 80/5=16, Resulting Numbers: [23, 16] Generated Node #0,1,0: 92:[23, 16] Operation: 80/5=16 Exploring Operation: 5+80=85, Resulting Numbers: [23, 85] Generated Node #0,1,1: 92:[23, 85] Operation: 5+80=85 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[23, 16], Operations: ['14+66=80', '80/5=16'] Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,92 unequal: No Solution Exploring Operation: 23+16=39, Resulting Numbers: [39] 39,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[23, 85], Operations: ['14+66=80', '5+80=85'] Exploring Operation: 23+85=108, Resulting Numbers: [108] 108,92 unequal: No Solution Exploring Operation: 85-23=62, Resulting Numbers: [62] 62,92 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
[ 49, 7, 89, 25 ]
58
[ "49+7=56", "89+25=114", "114-56=58" ]
Current State: 58:[49, 7, 89, 25], Operations: [] Exploring Operation: 49+7=56, Resulting Numbers: [89, 25, 56] Generated Node #2: [89, 25, 56] from Operation: 49+7=56 Current State: 58:[89, 25, 56], Operations: ['49+7=56'] Exploring Operation: 89+25=114, Resulting Numbers: [56, 114] Generated Node #3: [56, 114] from Operation: 89+25=114 Current State: 58:[56, 114], Operations: ['49+7=56', '89+25=114'] Exploring Operation: 114-56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[49, 7, 89, 25], Operations: [] Exploring Operation: 89-49=40, Resulting Numbers: [7, 25, 40] Generated Node #0,0: 58:[7, 25, 40] Operation: 89-49=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[7, 25, 40], Operations: ['89-49=40'] Exploring Operation: 40-7=33, Resulting Numbers: [25, 33] Generated Node #0,0,0: 58:[25, 33] Operation: 40-7=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[25, 33], Operations: ['89-49=40', '40-7=33'] Exploring Operation: 25+33=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[49, 7, 89, 25], Operations: [] Exploring Operation: 89-49=40, Resulting Numbers: [7, 25, 40] Generated Node #0,0: 58:[7, 25, 40] Operation: 89-49=40 Moving to Node #0,0 Current State: 58:[7, 25, 40], Operations: ['89-49=40'] Exploring Operation: 40-7=33, Resulting Numbers: [25, 33] Generated Node #0,0,0: 58:[25, 33] Operation: 40-7=33 Moving to Node #0,0,0 Current State: 58:[25, 33], Operations: ['89-49=40', '40-7=33'] Exploring Operation: 25+33=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 98, 9, 6, 18 ]
77
[ "98-9=89", "18-6=12", "89-12=77" ]
Current State: 77:[98, 9, 6, 18], Operations: [] Exploring Operation: 98-9=89, Resulting Numbers: [6, 18, 89] Generated Node #2: [6, 18, 89] from Operation: 98-9=89 Current State: 77:[6, 18, 89], Operations: ['98-9=89'] Exploring Operation: 18-6=12, Resulting Numbers: [89, 12] Generated Node #3: [89, 12] from Operation: 18-6=12 Current State: 77:[89, 12], Operations: ['98-9=89', '18-6=12'] Exploring Operation: 89-12=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[98, 9, 6, 18], Operations: [] Exploring Operation: 18-6=12, Resulting Numbers: [98, 9, 12] Generated Node #0,0: 77:[98, 9, 12] Operation: 18-6=12 Exploring Operation: 98-18=80, Resulting Numbers: [9, 6, 80] Generated Node #0,1: 77:[9, 6, 80] Operation: 98-18=80 Exploring Operation: 98-9=89, Resulting Numbers: [6, 18, 89] Generated Node #0,2: 77:[6, 18, 89] Operation: 98-9=89 Exploring Operation: 98-6=92, Resulting Numbers: [9, 18, 92] Generated Node #0,3: 77:[9, 18, 92] Operation: 98-6=92 Exploring Operation: 18-9=9, Resulting Numbers: [98, 6, 9] Generated Node #0,4: 77:[98, 6, 9] Operation: 18-9=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[9, 6, 80], Operations: ['98-18=80'] Exploring Operation: 6+80=86, Resulting Numbers: [9, 86] Generated Node #0,1,0: 77:[9, 86] Operation: 6+80=86 Exploring Operation: 80-9=71, Resulting Numbers: [6, 71] Generated Node #0,1,1: 77:[6, 71] Operation: 80-9=71 Exploring Operation: 80-6=74, Resulting Numbers: [9, 74] Generated Node #0,1,2: 77:[9, 74] Operation: 80-6=74 Exploring Operation: 9-6=3, Resulting Numbers: [80, 3] Generated Node #0,1,3: 77:[80, 3] Operation: 9-6=3 Exploring Operation: 9+6=15, Resulting Numbers: [80, 15] Generated Node #0,1,4: 77:[80, 15] Operation: 9+6=15 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 77:[9, 74], Operations: ['98-18=80', '80-6=74'] Exploring Operation: 9*74=666, Resulting Numbers: [666] 666,77 unequal: No Solution Exploring Operation: 9+74=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,77 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:[6, 71], Operations: ['98-18=80', '80-9=71'] Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,77 unequal: No Solution Exploring Operation: 6*71=426, Resulting Numbers: [426] 426,77 unequal: No Solution Exploring Operation: 6+71=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[98, 9, 6, 18], Operations: [] Exploring Operation: 98-18=80, Resulting Numbers: [9, 6, 80] Generated Node #0,1: 77:[9, 6, 80] Operation: 98-18=80 Moving to Node #0,1 Current State: 77:[9, 6, 80], Operations: ['98-18=80'] Exploring Operation: 80-9=71, Resulting Numbers: [6, 71] Generated Node #0,1,1: 77:[6, 71] Operation: 80-9=71 Moving to Node #0,1,1 Current State: 77:[6, 71], Operations: ['98-18=80', '80-9=71'] Exploring Operation: 6+71=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
mult_heuristic