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
[ 62, 22, 72, 60 ]
61
[ "62-60=2", "22/2=11", "72-11=61" ]
Current State: 61:[62, 22, 72, 60], Operations: [] Exploring Operation: 62-60=2, Resulting Numbers: [22, 72, 2] Generated Node #2: [22, 72, 2] from Operation: 62-60=2 Current State: 61:[22, 72, 2], Operations: ['62-60=2'] Exploring Operation: 22/2=11, Resulting Numbers: [72, 11] Generated Node #3: [72, 11] from Operation: 22/2=11 Current State: 61:[72, 11], Operations: ['62-60=2', '22/2=11'] Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[62, 22, 72, 60], Operations: [] Exploring Operation: 62-22=40, Resulting Numbers: [72, 60, 40] Generated Node #0,0: 61:[72, 60, 40] Operation: 62-22=40 Exploring Operation: 72-22=50, Resulting Numbers: [62, 60, 50] Generated Node #0,1: 61:[62, 60, 50] Operation: 72-22=50 Exploring Operation: 22+60=82, Resulting Numbers: [62, 72, 82] Generated Node #0,2: 61:[62, 72, 82] Operation: 22+60=82 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[62, 60, 50], Operations: ['72-22=50'] Exploring Operation: 62-50=12, Resulting Numbers: [60, 12] Generated Node #0,1,0: 61:[60, 12] Operation: 62-50=12 Exploring Operation: 62+50=112, Resulting Numbers: [60, 112] Generated Node #0,1,1: 61:[60, 112] Operation: 62+50=112 Exploring Operation: 60+50=110, Resulting Numbers: [62, 110] Generated Node #0,1,2: 61:[62, 110] Operation: 60+50=110 Moving to Node #0,1,0 Current State: 61:[60, 12], Operations: ['72-22=50', '62-50=12'] Exploring Operation: 60+12=72, Resulting Numbers: [72] 72,61 unequal: No Solution Exploring Operation: 60/12=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 60-12=48, Resulting Numbers: [48] 48,61 unequal: No Solution Moving to Node #0,1,2 Current State: 61:[62, 110], Operations: ['72-22=50', '60+50=110'] Exploring Operation: 62+110=172, Resulting Numbers: [172] 172,61 unequal: No Solution Exploring Operation: 110-62=48, Resulting Numbers: [48] 48,61 unequal: No Solution Exploring Operation: 62*110=6820, Resulting Numbers: [6820] 6820,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[60, 112], Operations: ['72-22=50', '62+50=112'] Exploring Operation: 60+112=172, Resulting Numbers: [172] 172,61 unequal: No Solution Exploring Operation: 60*112=6720, Resulting Numbers: [6720] 6720,61 unequal: No Solution Exploring Operation: 112-60=52, Resulting Numbers: [52] 52,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[72, 60, 40], Operations: ['62-22=40'] Exploring Operation: 60+40=100, Resulting Numbers: [72, 100] Generated Node #0,0,0: 61:[72, 100] Operation: 60+40=100 Exploring Operation: 72+40=112, Resulting Numbers: [60, 112] Generated Node #0,0,1: 61:[60, 112] Operation: 72+40=112 Exploring Operation: 72-40=32, Resulting Numbers: [60, 32] Generated Node #0,0,2: 61:[60, 32] Operation: 72-40=32 Moving to Node #0,0,2 Current State: 61:[60, 32], Operations: ['62-22=40', '72-40=32'] Exploring Operation: 60+32=92, Resulting Numbers: [92] 92,61 unequal: No Solution Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,61 unequal: No Solution Exploring Operation: 60*32=1920, Resulting Numbers: [1920] 1920,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[72, 100], Operations: ['62-22=40', '60+40=100'] Exploring Operation: 72+100=172, Resulting Numbers: [172] 172,61 unequal: No Solution Exploring Operation: 72*100=7200, Resulting Numbers: [7200] 7200,61 unequal: No Solution Exploring Operation: 100-72=28, Resulting Numbers: [28] 28,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[60, 112], Operations: ['62-22=40', '72+40=112'] Exploring Operation: 60+112=172, Resulting Numbers: [172] 172,61 unequal: No Solution Exploring Operation: 60*112=6720, Resulting Numbers: [6720] 6720,61 unequal: No Solution Exploring Operation: 112-60=52, Resulting Numbers: [52] 52,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[62, 72, 82], Operations: ['22+60=82'] Exploring Operation: 82-72=10, Resulting Numbers: [62, 10] Generated Node #0,2,0: 61:[62, 10] Operation: 82-72=10 Exploring Operation: 72-62=10, Resulting Numbers: [82, 10] Generated Node #0,2,1: 61:[82, 10] Operation: 72-62=10 Exploring Operation: 82-62=20, Resulting Numbers: [72, 20] Generated Node #0,2,2: 61:[72, 20] Operation: 82-62=20 Moving to Node #0,2,0 Current State: 61:[62, 10], Operations: ['22+60=82', '82-72=10'] Exploring Operation: 62+10=72, Resulting Numbers: [72] 72,61 unequal: No Solution Exploring Operation: 62*10=620, Resulting Numbers: [620] 620,61 unequal: No Solution Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[72, 20], Operations: ['22+60=82', '82-62=20'] Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,61 unequal: No Solution Exploring Operation: 72*20=1440, Resulting Numbers: [1440] 1440,61 unequal: No Solution Exploring Operation: 72+20=92, Resulting Numbers: [92] 92,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[82, 10], Operations: ['22+60=82', '72-62=10'] Exploring Operation: 82*10=820, Resulting Numbers: [820] 820,61 unequal: No Solution Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,61 unequal: No Solution Exploring Operation: 82+10=92, Resulting Numbers: [92] 92,61 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
[ 79, 82, 71, 5 ]
52
[ "79+71=150", "150/5=30", "82-30=52" ]
Current State: 52:[79, 82, 71, 5], Operations: [] Exploring Operation: 79+71=150, Resulting Numbers: [82, 5, 150] Generated Node #2: [82, 5, 150] from Operation: 79+71=150 Current State: 52:[82, 5, 150], Operations: ['79+71=150'] Exploring Operation: 150/5=30, Resulting Numbers: [82, 30] Generated Node #3: [82, 30] from Operation: 150/5=30 Current State: 52:[82, 30], Operations: ['79+71=150', '150/5=30'] Exploring Operation: 82-30=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[79, 82, 71, 5], Operations: [] Exploring Operation: 82-79=3, Resulting Numbers: [71, 5, 3] Generated Node #0,0: 52:[71, 5, 3] Operation: 82-79=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[71, 5, 3], Operations: ['82-79=3'] Exploring Operation: 71-5=66, Resulting Numbers: [3, 66] Generated Node #0,0,0: 52:[3, 66] Operation: 71-5=66 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[3, 66], Operations: ['82-79=3', '71-5=66'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 60, 28, 52, 52 ]
13
[ "60+52=112", "28*52=1456", "1456/112=13" ]
Current State: 13:[60, 28, 52, 52], Operations: [] Exploring Operation: 60+52=112, Resulting Numbers: [28, 112] Generated Node #2: [28, 112] from Operation: 60+52=112 Current State: 13:[28, 112], Operations: ['60+52=112'] Exploring Operation: 28*52=1456, Resulting Numbers: [112, 1456] Generated Node #3: [112, 1456] from Operation: 28*52=1456 Current State: 13:[112, 1456], Operations: ['60+52=112', '28*52=1456'] Exploring Operation: 1456/112=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[60, 28, 52, 52], Operations: [] Exploring Operation: 60-52=8, Resulting Numbers: [28, 52, 8] Generated Node #0,0: 13:[28, 52, 8] Operation: 60-52=8 Exploring Operation: 60-52=8, Resulting Numbers: [28, 52, 8] Generated Node #0,1: 13:[28, 52, 8] Operation: 60-52=8 Moving to Node #0,0 Current State: 13:[28, 52, 8], Operations: ['60-52=8'] Exploring Operation: 28-8=20, Resulting Numbers: [52, 20] Generated Node #0,0,0: 13:[52, 20] Operation: 28-8=20 Exploring Operation: 52-28=24, Resulting Numbers: [8, 24] Generated Node #0,0,1: 13:[8, 24] Operation: 52-28=24 Moving to Node #0,1 Current State: 13:[28, 52, 8], Operations: ['60-52=8'] Exploring Operation: 52-28=24, Resulting Numbers: [8, 24] Generated Node #0,1,0: 13:[8, 24] Operation: 52-28=24 Exploring Operation: 28-8=20, Resulting Numbers: [52, 20] Generated Node #0,1,1: 13:[52, 20] Operation: 28-8=20 Moving to Node #0,0,1 Current State: 13:[8, 24], Operations: ['60-52=8', '52-28=24'] Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,13 unequal: No Solution Moving to Node #0,1,0 Current State: 13:[8, 24], Operations: ['60-52=8', '52-28=24'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[52, 20], Operations: ['60-52=8', '28-8=20'] Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,13 unequal: No Solution Exploring Operation: 52+20=72, Resulting Numbers: [72] 72,13 unequal: No Solution Moving to Node #0,1,1 Current State: 13:[52, 20], Operations: ['60-52=8', '28-8=20'] Exploring Operation: 52+20=72, Resulting Numbers: [72] 72,13 unequal: No Solution Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,13 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 63, 23, 81, 16 ]
32
[ "63+81=144", "144/16=9", "23+9=32" ]
Current State: 32:[63, 23, 81, 16], Operations: [] Exploring Operation: 63+81=144, Resulting Numbers: [23, 16, 144] Generated Node #2: [23, 16, 144] from Operation: 63+81=144 Current State: 32:[23, 16, 144], Operations: ['63+81=144'] Exploring Operation: 144/16=9, Resulting Numbers: [23, 9] Generated Node #3: [23, 9] from Operation: 144/16=9 Current State: 32:[23, 9], Operations: ['63+81=144', '144/16=9'] Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[63, 23, 81, 16], Operations: [] Exploring Operation: 81-23=58, Resulting Numbers: [63, 16, 58] Generated Node #0,0: 32:[63, 16, 58] Operation: 81-23=58 Exploring Operation: 63-23=40, Resulting Numbers: [81, 16, 40] Generated Node #0,1: 32:[81, 16, 40] Operation: 63-23=40 Exploring Operation: 81-63=18, Resulting Numbers: [23, 16, 18] Generated Node #0,2: 32:[23, 16, 18] Operation: 81-63=18 Exploring Operation: 63-16=47, Resulting Numbers: [23, 81, 47] Generated Node #0,3: 32:[23, 81, 47] Operation: 63-16=47 Exploring Operation: 81-16=65, Resulting Numbers: [63, 23, 65] Generated Node #0,4: 32:[63, 23, 65] Operation: 81-16=65 Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[23, 16, 18], Operations: ['81-63=18'] Exploring Operation: 23-18=5, Resulting Numbers: [16, 5] Generated Node #0,2,0: 32:[16, 5] Operation: 23-18=5 Exploring Operation: 18-16=2, Resulting Numbers: [23, 2] Generated Node #0,2,1: 32:[23, 2] Operation: 18-16=2 Exploring Operation: 23+16=39, Resulting Numbers: [18, 39] Generated Node #0,2,2: 32:[18, 39] Operation: 23+16=39 Exploring Operation: 23-16=7, Resulting Numbers: [18, 7] Generated Node #0,2,3: 32:[18, 7] Operation: 23-16=7 Exploring Operation: 23+18=41, Resulting Numbers: [16, 41] Generated Node #0,2,4: 32:[16, 41] Operation: 23+18=41 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 32:[16, 5], Operations: ['81-63=18', '23-18=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,32 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 #0,2,3 Current State: 32:[18, 7], Operations: ['81-63=18', '23-16=7'] Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,32 unequal: No Solution Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,32 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 #0,2,1 Current State: 32:[23, 2], Operations: ['81-63=18', '18-16=2'] Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,32 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 #0,2,2 Current State: 32:[18, 39], Operations: ['81-63=18', '23+16=39'] Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,32 unequal: No Solution Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,32 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 #0,2,4 Current State: 32:[16, 41], Operations: ['81-63=18', '23+18=41'] Exploring Operation: 16+41=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 41-16=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 16*41=656, Resulting Numbers: [656] 656,32 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 #0,0 Current State: 32:[63, 16, 58], Operations: ['81-23=58'] Exploring Operation: 63+16=79, Resulting Numbers: [58, 79] Generated Node #0,0,0: 32:[58, 79] Operation: 63+16=79 Exploring Operation: 58-16=42, Resulting Numbers: [63, 42] Generated Node #0,0,1: 32:[63, 42] Operation: 58-16=42 Exploring Operation: 63-58=5, Resulting Numbers: [16, 5] Generated Node #0,0,2: 32:[16, 5] Operation: 63-58=5 Exploring Operation: 16+58=74, Resulting Numbers: [63, 74] Generated Node #0,0,3: 32:[63, 74] Operation: 16+58=74 Exploring Operation: 63-16=47, Resulting Numbers: [58, 47] Generated Node #0,0,4: 32:[58, 47] Operation: 63-16=47 Moving to Node #0,0,2 Current State: 32:[16, 5], Operations: ['81-23=58', '63-58=5'] Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,32 unequal: No Solution Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,32 unequal: No Solution Moving to Node #0,0,4 Current State: 32:[58, 47], Operations: ['81-23=58', '63-16=47'] Exploring Operation: 58*47=2726, Resulting Numbers: [2726] 2726,32 unequal: No Solution Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 58+47=105, Resulting Numbers: [105] 105,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[63, 42], Operations: ['81-23=58', '58-16=42'] Exploring Operation: 63-42=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 63+42=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 63*42=2646, Resulting Numbers: [2646] 2646,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[58, 79], Operations: ['81-23=58', '63+16=79'] Exploring Operation: 79-58=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 58*79=4582, Resulting Numbers: [4582] 4582,32 unequal: No Solution Exploring Operation: 58+79=137, Resulting Numbers: [137] 137,32 unequal: No Solution Moving to Node #0,0,3 Current State: 32:[63, 74], Operations: ['81-23=58', '16+58=74'] Exploring Operation: 63+74=137, Resulting Numbers: [137] 137,32 unequal: No Solution Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 63*74=4662, Resulting Numbers: [4662] 4662,32 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 #0,1 Current State: 32:[81, 16, 40], Operations: ['63-23=40'] Exploring Operation: 81-16=65, Resulting Numbers: [40, 65] Generated Node #0,1,0: 32:[40, 65] Operation: 81-16=65 Exploring Operation: 81+16=97, Resulting Numbers: [40, 97] Generated Node #0,1,1: 32:[40, 97] Operation: 81+16=97 Exploring Operation: 81-40=41, Resulting Numbers: [16, 41] Generated Node #0,1,2: 32:[16, 41] Operation: 81-40=41 Exploring Operation: 40-16=24, Resulting Numbers: [81, 24] Generated Node #0,1,3: 32:[81, 24] Operation: 40-16=24 Exploring Operation: 16+40=56, Resulting Numbers: [81, 56] Generated Node #0,1,4: 32:[81, 56] Operation: 16+40=56 Moving to Node #0,1,2 Current State: 32:[16, 41], Operations: ['63-23=40', '81-40=41'] Exploring Operation: 16+41=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 41-16=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 16*41=656, Resulting Numbers: [656] 656,32 unequal: No Solution Moving to Node #0,1,0 Current State: 32:[40, 65], Operations: ['63-23=40', '81-16=65'] Exploring Operation: 40+65=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 65-40=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 40*65=2600, Resulting Numbers: [2600] 2600,32 unequal: No Solution Moving to Node #0,1,3 Current State: 32:[81, 24], Operations: ['63-23=40', '40-16=24'] Exploring Operation: 81*24=1944, Resulting Numbers: [1944] 1944,32 unequal: No Solution Exploring Operation: 81+24=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 81-24=57, Resulting Numbers: [57] 57,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[40, 97], Operations: ['63-23=40', '81+16=97'] Exploring Operation: 40+97=137, Resulting Numbers: [137] 137,32 unequal: No Solution Exploring Operation: 40*97=3880, Resulting Numbers: [3880] 3880,32 unequal: No Solution Exploring Operation: 97-40=57, Resulting Numbers: [57] 57,32 unequal: No Solution Moving to Node #0,1,4 Current State: 32:[81, 56], Operations: ['63-23=40', '16+40=56'] Exploring Operation: 81+56=137, Resulting Numbers: [137] 137,32 unequal: No Solution Exploring Operation: 81*56=4536, Resulting Numbers: [4536] 4536,32 unequal: No Solution Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,32 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 #0,3 Current State: 32:[23, 81, 47], Operations: ['63-16=47'] Exploring Operation: 81-23=58, Resulting Numbers: [47, 58] Generated Node #0,3,0: 32:[47, 58] Operation: 81-23=58 Exploring Operation: 81-47=34, Resulting Numbers: [23, 34] Generated Node #0,3,1: 32:[23, 34] Operation: 81-47=34 Exploring Operation: 23+47=70, Resulting Numbers: [81, 70] Generated Node #0,3,2: 32:[81, 70] Operation: 23+47=70 Exploring Operation: 47-23=24, Resulting Numbers: [81, 24] Generated Node #0,3,3: 32:[81, 24] Operation: 47-23=24 Exploring Operation: 23+81=104, Resulting Numbers: [47, 104] Generated Node #0,3,4: 32:[47, 104] Operation: 23+81=104 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 32:[23, 34], Operations: ['63-16=47', '81-47=34'] Exploring Operation: 23+34=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 23*34=782, Resulting Numbers: [782] 782,32 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:[47, 58], Operations: ['63-16=47', '81-23=58'] Exploring Operation: 47+58=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 47*58=2726, Resulting Numbers: [2726] 2726,32 unequal: No Solution Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,32 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:[81, 24], Operations: ['63-16=47', '47-23=24'] Exploring Operation: 81*24=1944, Resulting Numbers: [1944] 1944,32 unequal: No Solution Exploring Operation: 81+24=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 81-24=57, Resulting Numbers: [57] 57,32 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 #0,3,2 Current State: 32:[81, 70], Operations: ['63-16=47', '23+47=70'] Exploring Operation: 81+70=151, Resulting Numbers: [151] 151,32 unequal: No Solution Exploring Operation: 81*70=5670, Resulting Numbers: [5670] 5670,32 unequal: No Solution Exploring Operation: 81-70=11, Resulting Numbers: [11] 11,32 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 #0,3,4 Current State: 32:[47, 104], Operations: ['63-16=47', '23+81=104'] Exploring Operation: 104-47=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 47*104=4888, Resulting Numbers: [4888] 4888,32 unequal: No Solution Exploring Operation: 47+104=151, Resulting Numbers: [151] 151,32 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 #0,4 Current State: 32:[63, 23, 65], Operations: ['81-16=65'] Exploring Operation: 63+23=86, Resulting Numbers: [65, 86] Generated Node #0,4,0: 32:[65, 86] Operation: 63+23=86 Exploring Operation: 23+65=88, Resulting Numbers: [63, 88] Generated Node #0,4,1: 32:[63, 88] Operation: 23+65=88 Exploring Operation: 65-23=42, Resulting Numbers: [63, 42] Generated Node #0,4,2: 32:[63, 42] Operation: 65-23=42 Exploring Operation: 65-63=2, Resulting Numbers: [23, 2] Generated Node #0,4,3: 32:[23, 2] Operation: 65-63=2 Exploring Operation: 63-23=40, Resulting Numbers: [65, 40] Generated Node #0,4,4: 32:[65, 40] Operation: 63-23=40 Moving to Node #0,4,3 Current State: 32:[23, 2], Operations: ['81-16=65', '65-63=2'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,32 unequal: No Solution Moving to Node #0,4,4 Current State: 32:[65, 40], Operations: ['81-16=65', '63-23=40'] Exploring Operation: 65*40=2600, Resulting Numbers: [2600] 2600,32 unequal: No Solution Exploring Operation: 65-40=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 65+40=105, Resulting Numbers: [105] 105,32 unequal: No Solution Moving to Node #0,4,2 Current State: 32:[63, 42], Operations: ['81-16=65', '65-23=42'] Exploring Operation: 63+42=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 63-42=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 63*42=2646, Resulting Numbers: [2646] 2646,32 unequal: No Solution Moving to Node #0,4,0 Current State: 32:[65, 86], Operations: ['81-16=65', '63+23=86'] Exploring Operation: 65+86=151, Resulting Numbers: [151] 151,32 unequal: No Solution Exploring Operation: 86-65=21, Resulting Numbers: [21] 21,32 unequal: No Solution Exploring Operation: 65*86=5590, Resulting Numbers: [5590] 5590,32 unequal: No Solution Moving to Node #0,4,1 Current State: 32:[63, 88], Operations: ['81-16=65', '23+65=88'] Exploring Operation: 63*88=5544, Resulting Numbers: [5544] 5544,32 unequal: No Solution Exploring Operation: 88-63=25, Resulting Numbers: [25] 25,32 unequal: No Solution Exploring Operation: 63+88=151, Resulting Numbers: [151] 151,32 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
[ 95, 22, 7, 28 ]
95
[ "22+7=29", "29-28=1", "95*1=95" ]
Current State: 95:[95, 22, 7, 28], Operations: [] Exploring Operation: 22+7=29, Resulting Numbers: [95, 28, 29] Generated Node #2: [95, 28, 29] from Operation: 22+7=29 Current State: 95:[95, 28, 29], Operations: ['22+7=29'] Exploring Operation: 29-28=1, Resulting Numbers: [95, 1] Generated Node #3: [95, 1] from Operation: 29-28=1 Current State: 95:[95, 1], Operations: ['22+7=29', '29-28=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[95, 22, 7, 28], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [95, 7, 6] Generated Node #0,0: 95:[95, 7, 6] Operation: 28-22=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[95, 7, 6], Operations: ['28-22=6'] Exploring Operation: 7-6=1, Resulting Numbers: [95, 1] Generated Node #0,0,0: 95:[95, 1] Operation: 7-6=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[95, 1], Operations: ['28-22=6', '7-6=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[95, 22, 7, 28], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [95, 7, 6] Generated Node #0,0: 95:[95, 7, 6] Operation: 28-22=6 Moving to Node #0,0 Current State: 95:[95, 7, 6], Operations: ['28-22=6'] Exploring Operation: 7-6=1, Resulting Numbers: [95, 1] Generated Node #0,0,0: 95:[95, 1] Operation: 7-6=1 Moving to Node #0,0,0 Current State: 95:[95, 1], Operations: ['28-22=6', '7-6=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 57, 58, 43, 43 ]
87
[ "58-57=1", "43+43=86", "1+86=87" ]
Current State: 87:[57, 58, 43, 43], Operations: [] Exploring Operation: 58-57=1, Resulting Numbers: [43, 43, 1] Generated Node #2: [43, 43, 1] from Operation: 58-57=1 Current State: 87:[43, 43, 1], Operations: ['58-57=1'] Exploring Operation: 43+43=86, Resulting Numbers: [1, 86] Generated Node #3: [1, 86] from Operation: 43+43=86 Current State: 87:[1, 86], Operations: ['58-57=1', '43+43=86'] Exploring Operation: 1+86=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[57, 58, 43, 43], Operations: [] Exploring Operation: 58-57=1, Resulting Numbers: [43, 43, 1] Generated Node #0,0: 87:[43, 43, 1] Operation: 58-57=1 Moving to Node #0,0 Current State: 87:[43, 43, 1], Operations: ['58-57=1'] Exploring Operation: 43+43=86, Resulting Numbers: [1, 86] Generated Node #0,0,0: 87:[1, 86] Operation: 43+43=86 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[1, 86], Operations: ['58-57=1', '43+43=86'] Exploring Operation: 1+86=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[57, 58, 43, 43], Operations: [] Exploring Operation: 58-57=1, Resulting Numbers: [43, 43, 1] Generated Node #0,0: 87:[43, 43, 1] Operation: 58-57=1 Moving to Node #0,0 Current State: 87:[43, 43, 1], Operations: ['58-57=1'] Exploring Operation: 43+43=86, Resulting Numbers: [1, 86] Generated Node #0,0,0: 87:[1, 86] Operation: 43+43=86 Moving to Node #0,0,0 Current State: 87:[1, 86], Operations: ['58-57=1', '43+43=86'] Exploring Operation: 1+86=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 4, 44, 11, 48 ]
12
[ "4+44=48", "48/48=1", "11+1=12" ]
Current State: 12:[4, 44, 11, 48], Operations: [] Exploring Operation: 4+44=48, Resulting Numbers: [11, 48, 48] Generated Node #2: [11, 48, 48] from Operation: 4+44=48 Current State: 12:[11, 48, 48], Operations: ['4+44=48'] Exploring Operation: 48/48=1, Resulting Numbers: [11, 1] Generated Node #3: [11, 1] from Operation: 48/48=1 Current State: 12:[11, 1], Operations: ['4+44=48', '48/48=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[4, 44, 11, 48], Operations: [] Exploring Operation: 48-44=4, Resulting Numbers: [4, 11, 4] Generated Node #0,0: 12:[4, 11, 4] Operation: 48-44=4 Exploring Operation: 48/4=12, Resulting Numbers: [44, 11, 12] Generated Node #0,1: 12:[44, 11, 12] Operation: 48/4=12 Exploring Operation: 44/4=11, Resulting Numbers: [11, 48, 11] Generated Node #0,2: 12:[11, 48, 11] Operation: 44/4=11 Exploring Operation: 44/11=4, Resulting Numbers: [4, 48, 4] Generated Node #0,3: 12:[4, 48, 4] Operation: 44/11=4 Moving to Node #0,0 Current State: 12:[4, 11, 4], Operations: ['48-44=4'] Exploring Operation: 4+11=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 12:[4, 15] Operation: 4+11=15 Exploring Operation: 4/4=1, Resulting Numbers: [11, 1] Generated Node #0,0,1: 12:[11, 1] Operation: 4/4=1 Exploring Operation: 11-4=7, Resulting Numbers: [4, 7] Generated Node #0,0,2: 12:[4, 7] Operation: 11-4=7 Exploring Operation: 11-4=7, Resulting Numbers: [4, 7] Generated Node #0,0,3: 12:[4, 7] Operation: 11-4=7 Moving to Node #0,1 Current State: 12:[44, 11, 12], Operations: ['48/4=12'] Exploring Operation: 44-11=33, Resulting Numbers: [12, 33] Generated Node #0,1,0: 12:[12, 33] Operation: 44-11=33 Exploring Operation: 44-12=32, Resulting Numbers: [11, 32] Generated Node #0,1,1: 12:[11, 32] Operation: 44-12=32 Exploring Operation: 44/11=4, Resulting Numbers: [12, 4] Generated Node #0,1,2: 12:[12, 4] Operation: 44/11=4 Exploring Operation: 12-11=1, Resulting Numbers: [44, 1] Generated Node #0,1,3: 12:[44, 1] Operation: 12-11=1 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 12:[12, 4], Operations: ['48/4=12', '44/11=4'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[12, 33], Operations: ['48/4=12', '44-11=33'] Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,12 unequal: No Solution Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,12 unequal: No Solution Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[11, 32], Operations: ['48/4=12', '44-12=32'] Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 11*32=352, Resulting Numbers: [352] 352,12 unequal: No Solution Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 12:[44, 1], Operations: ['48/4=12', '12-11=1'] Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,12 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,12 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,12 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: 12:[4, 48, 4], Operations: ['44/11=4'] Exploring Operation: 48-4=44, Resulting Numbers: [4, 44] Generated Node #0,3,0: 12:[4, 44] Operation: 48-4=44 Exploring Operation: 48/4=12, Resulting Numbers: [4, 12] Generated Node #0,3,1: 12:[4, 12] Operation: 48/4=12 Exploring Operation: 48/4=12, Resulting Numbers: [4, 12] Generated Node #0,3,2: 12:[4, 12] Operation: 48/4=12 Exploring Operation: 48-4=44, Resulting Numbers: [4, 44] Generated Node #0,3,3: 12:[4, 44] Operation: 48-4=44 Moving to Node #0,2 Current State: 12:[11, 48, 11], Operations: ['44/4=11'] Exploring Operation: 48-11=37, Resulting Numbers: [11, 37] Generated Node #0,2,0: 12:[11, 37] Operation: 48-11=37 Exploring Operation: 48-11=37, Resulting Numbers: [11, 37] Generated Node #0,2,1: 12:[11, 37] Operation: 48-11=37 Exploring Operation: 11/11=1, Resulting Numbers: [48, 1] Generated Node #0,2,2: 12:[48, 1] Operation: 11/11=1 Exploring Operation: 11-11=0, Resulting Numbers: [48, 0] Generated Node #0,2,3: 12:[48, 0] Operation: 11-11=0 Moving to Node #0,3,1 Current State: 12:[4, 12], Operations: ['44/11=4', '48/4=12'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,12 unequal: No Solution Moving to Node #0,3,2 Current State: 12:[4, 12], Operations: ['44/11=4', '48/4=12'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,12 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,12 unequal: No Solution Moving to Node #0,0,2 Current State: 12:[4, 7], Operations: ['48-44=4', '11-4=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,12 unequal: No Solution Moving to Node #0,0,3 Current State: 12:[4, 7], Operations: ['48-44=4', '11-4=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[11, 1], Operations: ['48-44=4', '4/4=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[4, 44, 11, 48], Operations: [] Exploring Operation: 48-44=4, Resulting Numbers: [4, 11, 4] Generated Node #0,0: 12:[4, 11, 4] Operation: 48-44=4 Moving to Node #0,0 Current State: 12:[4, 11, 4], Operations: ['48-44=4'] Exploring Operation: 4/4=1, Resulting Numbers: [11, 1] Generated Node #0,0,1: 12:[11, 1] Operation: 4/4=1 Moving to Node #0,0,1 Current State: 12:[11, 1], Operations: ['48-44=4', '4/4=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
0.953993
hs_4
sum_heuristic
[ 17, 90, 83, 52 ]
42
[ "90-17=73", "83-52=31", "73-31=42" ]
Current State: 42:[17, 90, 83, 52], Operations: [] Exploring Operation: 90-17=73, Resulting Numbers: [83, 52, 73] Generated Node #2: [83, 52, 73] from Operation: 90-17=73 Current State: 42:[83, 52, 73], Operations: ['90-17=73'] Exploring Operation: 83-52=31, Resulting Numbers: [73, 31] Generated Node #3: [73, 31] from Operation: 83-52=31 Current State: 42:[73, 31], Operations: ['90-17=73', '83-52=31'] Exploring Operation: 73-31=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[17, 90, 83, 52], Operations: [] Exploring Operation: 83-17=66, Resulting Numbers: [90, 52, 66] Generated Node #0,0: 42:[90, 52, 66] Operation: 83-17=66 Exploring Operation: 90-17=73, Resulting Numbers: [83, 52, 73] Generated Node #0,1: 42:[83, 52, 73] Operation: 90-17=73 Exploring Operation: 90-83=7, Resulting Numbers: [17, 52, 7] Generated Node #0,2: 42:[17, 52, 7] Operation: 90-83=7 Exploring Operation: 83-52=31, Resulting Numbers: [17, 90, 31] Generated Node #0,3: 42:[17, 90, 31] Operation: 83-52=31 Exploring Operation: 90-52=38, Resulting Numbers: [17, 83, 38] Generated Node #0,4: 42:[17, 83, 38] Operation: 90-52=38 Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[17, 52, 7], Operations: ['90-83=7'] Exploring Operation: 52+7=59, Resulting Numbers: [17, 59] Generated Node #0,2,0: 42:[17, 59] Operation: 52+7=59 Exploring Operation: 17+7=24, Resulting Numbers: [52, 24] Generated Node #0,2,1: 42:[52, 24] Operation: 17+7=24 Exploring Operation: 52-7=45, Resulting Numbers: [17, 45] Generated Node #0,2,2: 42:[17, 45] Operation: 52-7=45 Exploring Operation: 17-7=10, Resulting Numbers: [52, 10] Generated Node #0,2,3: 42:[52, 10] Operation: 17-7=10 Exploring Operation: 52-17=35, Resulting Numbers: [7, 35] Generated Node #0,2,4: 42:[7, 35] Operation: 52-17=35 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 42:[17, 45], Operations: ['90-83=7', '52-7=45'] Exploring Operation: 17*45=765, Resulting Numbers: [765] 765,42 unequal: No Solution Exploring Operation: 17+45=62, Resulting Numbers: [62] 62,42 unequal: No Solution Exploring Operation: 45-17=28, Resulting Numbers: [28] 28,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 42:[7, 35], Operations: ['90-83=7', '52-17=35'] Exploring Operation: 7*35=245, Resulting Numbers: [245] 245,42 unequal: No Solution Exploring Operation: 7+35=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[17, 90, 83, 52], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [17, 52, 7] Generated Node #0,2: 42:[17, 52, 7] Operation: 90-83=7 Moving to Node #0,2 Current State: 42:[17, 52, 7], Operations: ['90-83=7'] Exploring Operation: 52-17=35, Resulting Numbers: [7, 35] Generated Node #0,2,4: 42:[7, 35] Operation: 52-17=35 Moving to Node #0,2,4 Current State: 42:[7, 35], Operations: ['90-83=7', '52-17=35'] Exploring Operation: 7+35=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 31, 58, 34, 92 ]
37
[ "31+58=89", "34+92=126", "126-89=37" ]
Current State: 37:[31, 58, 34, 92], Operations: [] Exploring Operation: 31+58=89, Resulting Numbers: [34, 92, 89] Generated Node #2: [34, 92, 89] from Operation: 31+58=89 Current State: 37:[34, 92, 89], Operations: ['31+58=89'] Exploring Operation: 34+92=126, Resulting Numbers: [89, 126] Generated Node #3: [89, 126] from Operation: 34+92=126 Current State: 37:[89, 126], Operations: ['31+58=89', '34+92=126'] Exploring Operation: 126-89=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[31, 58, 34, 92], Operations: [] Exploring Operation: 92-58=34, Resulting Numbers: [31, 34, 34] Generated Node #0,0: 37:[31, 34, 34] Operation: 92-58=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[31, 34, 34], Operations: ['92-58=34'] Exploring Operation: 31+34=65, Resulting Numbers: [34, 65] Generated Node #0,0,0: 37:[34, 65] Operation: 31+34=65 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[34, 65], Operations: ['92-58=34', '31+34=65'] Exploring Operation: 65-34=31, Resulting Numbers: [31] 31,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 80, 85, 90, 30 ]
55
[ "80+85=165", "90/30=3", "165/3=55" ]
Current State: 55:[80, 85, 90, 30], Operations: [] Exploring Operation: 80+85=165, Resulting Numbers: [90, 30, 165] Generated Node #2: [90, 30, 165] from Operation: 80+85=165 Current State: 55:[90, 30, 165], Operations: ['80+85=165'] Exploring Operation: 90/30=3, Resulting Numbers: [165, 3] Generated Node #3: [165, 3] from Operation: 90/30=3 Current State: 55:[165, 3], Operations: ['80+85=165', '90/30=3'] Exploring Operation: 165/3=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[80, 85, 90, 30], Operations: [] Exploring Operation: 90-80=10, Resulting Numbers: [85, 30, 10] Generated Node #0,0: 55:[85, 30, 10] Operation: 90-80=10 Exploring Operation: 85-80=5, Resulting Numbers: [90, 30, 5] Generated Node #0,1: 55:[90, 30, 5] Operation: 85-80=5 Exploring Operation: 90/30=3, Resulting Numbers: [80, 85, 3] Generated Node #0,2: 55:[80, 85, 3] Operation: 90/30=3 Exploring Operation: 85-30=55, Resulting Numbers: [80, 90, 55] Generated Node #0,3: 55:[80, 90, 55] Operation: 85-30=55 Exploring Operation: 90-85=5, Resulting Numbers: [80, 30, 5] Generated Node #0,4: 55:[80, 30, 5] Operation: 90-85=5 Start Sub Search at level 1: Moving to Node #0,4 Current State: 55:[80, 30, 5], Operations: ['90-85=5'] Exploring Operation: 30/5=6, Resulting Numbers: [80, 6] Generated Node #0,4,0: 55:[80, 6] Operation: 30/5=6 Exploring Operation: 80-5=75, Resulting Numbers: [30, 75] Generated Node #0,4,1: 55:[30, 75] Operation: 80-5=75 Exploring Operation: 80-30=50, Resulting Numbers: [5, 50] Generated Node #0,4,2: 55:[5, 50] Operation: 80-30=50 Exploring Operation: 80/5=16, Resulting Numbers: [30, 16] Generated Node #0,4,3: 55:[30, 16] Operation: 80/5=16 Exploring Operation: 30-5=25, Resulting Numbers: [80, 25] Generated Node #0,4,4: 55:[80, 25] Operation: 30-5=25 Moving to Node #0,4,2 Current State: 55:[5, 50], Operations: ['90-85=5', '80-30=50'] Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[80, 85, 90, 30], Operations: [] Exploring Operation: 90-85=5, Resulting Numbers: [80, 30, 5] Generated Node #0,4: 55:[80, 30, 5] Operation: 90-85=5 Moving to Node #0,4 Current State: 55:[80, 30, 5], Operations: ['90-85=5'] Exploring Operation: 80-30=50, Resulting Numbers: [5, 50] Generated Node #0,4,2: 55:[5, 50] Operation: 80-30=50 Moving to Node #0,4,2 Current State: 55:[5, 50], Operations: ['90-85=5', '80-30=50'] Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 58, 55, 31, 17 ]
99
[ "58+55=113", "31-17=14", "113-14=99" ]
Current State: 99:[58, 55, 31, 17], Operations: [] Exploring Operation: 58+55=113, Resulting Numbers: [31, 17, 113] Generated Node #2: [31, 17, 113] from Operation: 58+55=113 Current State: 99:[31, 17, 113], Operations: ['58+55=113'] Exploring Operation: 31-17=14, Resulting Numbers: [113, 14] Generated Node #3: [113, 14] from Operation: 31-17=14 Current State: 99:[113, 14], Operations: ['58+55=113', '31-17=14'] Exploring Operation: 113-14=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[58, 55, 31, 17], Operations: [] Exploring Operation: 58-55=3, Resulting Numbers: [31, 17, 3] Generated Node #0,0: 99:[31, 17, 3] Operation: 58-55=3 Moving to Node #0,0 Current State: 99:[31, 17, 3], Operations: ['58-55=3'] Exploring Operation: 31-17=14, Resulting Numbers: [3, 14] Generated Node #0,0,0: 99:[3, 14] Operation: 31-17=14 Moving to Node #0,0,0 Current State: 99:[3, 14], Operations: ['58-55=3', '31-17=14'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,99 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 49, 2, 11, 76 ]
22
[ "49+11=60", "76/2=38", "60-38=22" ]
Current State: 22:[49, 2, 11, 76], Operations: [] Exploring Operation: 49+11=60, Resulting Numbers: [2, 76, 60] Generated Node #2: [2, 76, 60] from Operation: 49+11=60 Current State: 22:[2, 76, 60], Operations: ['49+11=60'] Exploring Operation: 76/2=38, Resulting Numbers: [60, 38] Generated Node #3: [60, 38] from Operation: 76/2=38 Current State: 22:[60, 38], Operations: ['49+11=60', '76/2=38'] Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[49, 2, 11, 76], Operations: [] Exploring Operation: 49-11=38, Resulting Numbers: [2, 76, 38] Generated Node #0,0: 22:[2, 76, 38] Operation: 49-11=38 Exploring Operation: 76/2=38, Resulting Numbers: [49, 11, 38] Generated Node #0,1: 22:[49, 11, 38] Operation: 76/2=38 Exploring Operation: 76-49=27, Resulting Numbers: [2, 11, 27] Generated Node #0,2: 22:[2, 11, 27] Operation: 76-49=27 Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[2, 11, 27], Operations: ['76-49=27'] Exploring Operation: 2*11=22, Resulting Numbers: [27, 22] Generated Node #0,2,0: 22:[27, 22] Operation: 2*11=22 Exploring Operation: 27-2=25, Resulting Numbers: [11, 25] Generated Node #0,2,1: 22:[11, 25] Operation: 27-2=25 Exploring Operation: 27-11=16, Resulting Numbers: [2, 16] Generated Node #0,2,2: 22:[2, 16] Operation: 27-11=16 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 22:[11, 25], Operations: ['76-49=27', '27-2=25'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,22 unequal: No Solution Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 22:[27, 22], Operations: ['76-49=27', '2*11=22'] Exploring Operation: 27*22=594, Resulting Numbers: [594] 594,22 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,22 unequal: No Solution Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 22:[2, 16], Operations: ['76-49=27', '27-11=16'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,22 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,22 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[49, 11, 38], Operations: ['76/2=38'] Exploring Operation: 49-11=38, Resulting Numbers: [38, 38] Generated Node #0,1,0: 22:[38, 38] Operation: 49-11=38 Exploring Operation: 38-11=27, Resulting Numbers: [49, 27] Generated Node #0,1,1: 22:[49, 27] Operation: 38-11=27 Exploring Operation: 49-38=11, Resulting Numbers: [11, 11] Generated Node #0,1,2: 22:[11, 11] Operation: 49-38=11 Moving to Node #0,1,2 Current State: 22:[11, 11], Operations: ['76/2=38', '49-38=11'] Exploring Operation: 11-11=0, Resulting Numbers: [0] 0,22 unequal: No Solution Exploring Operation: 11+11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[49, 2, 11, 76], Operations: [] Exploring Operation: 76/2=38, Resulting Numbers: [49, 11, 38] Generated Node #0,1: 22:[49, 11, 38] Operation: 76/2=38 Moving to Node #0,1 Current State: 22:[49, 11, 38], Operations: ['76/2=38'] Exploring Operation: 49-38=11, Resulting Numbers: [11, 11] Generated Node #0,1,2: 22:[11, 11] Operation: 49-38=11 Moving to Node #0,1,2 Current State: 22:[11, 11], Operations: ['76/2=38', '49-38=11'] Exploring Operation: 11+11=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 40, 66, 92, 19 ]
33
[ "40+66=106", "92-19=73", "106-73=33" ]
Current State: 33:[40, 66, 92, 19], Operations: [] Exploring Operation: 40+66=106, Resulting Numbers: [92, 19, 106] Generated Node #2: [92, 19, 106] from Operation: 40+66=106 Current State: 33:[92, 19, 106], Operations: ['40+66=106'] Exploring Operation: 92-19=73, Resulting Numbers: [106, 73] Generated Node #3: [106, 73] from Operation: 92-19=73 Current State: 33:[106, 73], Operations: ['40+66=106', '92-19=73'] Exploring Operation: 106-73=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[40, 66, 92, 19], Operations: [] Exploring Operation: 92-40=52, Resulting Numbers: [66, 19, 52] Generated Node #0,0: 33:[66, 19, 52] Operation: 92-40=52 Exploring Operation: 92-66=26, Resulting Numbers: [40, 19, 26] Generated Node #0,1: 33:[40, 19, 26] Operation: 92-66=26 Moving to Node #0,1 Current State: 33:[40, 19, 26], Operations: ['92-66=26'] Exploring Operation: 26-19=7, Resulting Numbers: [40, 7] Generated Node #0,1,0: 33:[40, 7] Operation: 26-19=7 Exploring Operation: 40-26=14, Resulting Numbers: [19, 14] Generated Node #0,1,1: 33:[19, 14] Operation: 40-26=14 Moving to Node #0,0 Current State: 33:[66, 19, 52], Operations: ['92-40=52'] Exploring Operation: 66-52=14, Resulting Numbers: [19, 14] Generated Node #0,0,0: 33:[19, 14] Operation: 66-52=14 Exploring Operation: 66-19=47, Resulting Numbers: [52, 47] Generated Node #0,0,1: 33:[52, 47] Operation: 66-19=47 Moving to Node #0,1,0 Current State: 33:[40, 7], Operations: ['92-66=26', '26-19=7'] Exploring Operation: 40+7=47, Resulting Numbers: [47] 47,33 unequal: No Solution Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[40, 66, 92, 19], Operations: [] Exploring Operation: 92-66=26, Resulting Numbers: [40, 19, 26] Generated Node #0,1: 33:[40, 19, 26] Operation: 92-66=26 Moving to Node #0,1 Current State: 33:[40, 19, 26], Operations: ['92-66=26'] Exploring Operation: 26-19=7, Resulting Numbers: [40, 7] Generated Node #0,1,0: 33:[40, 7] Operation: 26-19=7 Moving to Node #0,1,0 Current State: 33:[40, 7], Operations: ['92-66=26', '26-19=7'] Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 64, 9, 11, 95 ]
11
[ "64+9=73", "95-11=84", "84-73=11" ]
Current State: 11:[64, 9, 11, 95], Operations: [] Exploring Operation: 64+9=73, Resulting Numbers: [11, 95, 73] Generated Node #2: [11, 95, 73] from Operation: 64+9=73 Current State: 11:[11, 95, 73], Operations: ['64+9=73'] Exploring Operation: 95-11=84, Resulting Numbers: [73, 84] Generated Node #3: [73, 84] from Operation: 95-11=84 Current State: 11:[73, 84], Operations: ['64+9=73', '95-11=84'] Exploring Operation: 84-73=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[64, 9, 11, 95], Operations: [] Exploring Operation: 64-9=55, Resulting Numbers: [11, 95, 55] Generated Node #0,0: 11:[11, 95, 55] Operation: 64-9=55 Exploring Operation: 95-11=84, Resulting Numbers: [64, 9, 84] Generated Node #0,1: 11:[64, 9, 84] Operation: 95-11=84 Exploring Operation: 64-11=53, Resulting Numbers: [9, 95, 53] Generated Node #0,2: 11:[9, 95, 53] Operation: 64-11=53 Exploring Operation: 95-9=86, Resulting Numbers: [64, 11, 86] Generated Node #0,3: 11:[64, 11, 86] Operation: 95-9=86 Exploring Operation: 95-64=31, Resulting Numbers: [9, 11, 31] Generated Node #0,4: 11:[9, 11, 31] Operation: 95-64=31 Moving to Node #0,4 Current State: 11:[9, 11, 31], Operations: ['95-64=31'] Exploring Operation: 11-9=2, Resulting Numbers: [31, 2] Generated Node #0,4,0: 11:[31, 2] Operation: 11-9=2 Exploring Operation: 9+31=40, Resulting Numbers: [11, 40] Generated Node #0,4,1: 11:[11, 40] Operation: 9+31=40 Exploring Operation: 31-9=22, Resulting Numbers: [11, 22] Generated Node #0,4,2: 11:[11, 22] Operation: 31-9=22 Exploring Operation: 9+11=20, Resulting Numbers: [31, 20] Generated Node #0,4,3: 11:[31, 20] Operation: 9+11=20 Exploring Operation: 31-11=20, Resulting Numbers: [9, 20] Generated Node #0,4,4: 11:[9, 20] Operation: 31-11=20 Moving to Node #0,1 Current State: 11:[64, 9, 84], Operations: ['95-11=84'] Exploring Operation: 64+9=73, Resulting Numbers: [84, 73] Generated Node #0,1,0: 11:[84, 73] Operation: 64+9=73 Exploring Operation: 9+84=93, Resulting Numbers: [64, 93] Generated Node #0,1,1: 11:[64, 93] Operation: 9+84=93 Exploring Operation: 64-9=55, Resulting Numbers: [84, 55] Generated Node #0,1,2: 11:[84, 55] Operation: 64-9=55 Exploring Operation: 84-9=75, Resulting Numbers: [64, 75] Generated Node #0,1,3: 11:[64, 75] Operation: 84-9=75 Exploring Operation: 84-64=20, Resulting Numbers: [9, 20] Generated Node #0,1,4: 11:[9, 20] Operation: 84-64=20 Moving to Node #0,3 Current State: 11:[64, 11, 86], Operations: ['95-9=86'] Exploring Operation: 86-11=75, Resulting Numbers: [64, 75] Generated Node #0,3,0: 11:[64, 75] Operation: 86-11=75 Exploring Operation: 64+86=150, Resulting Numbers: [11, 150] Generated Node #0,3,1: 11:[11, 150] Operation: 64+86=150 Exploring Operation: 64+11=75, Resulting Numbers: [86, 75] Generated Node #0,3,2: 11:[86, 75] Operation: 64+11=75 Exploring Operation: 86-64=22, Resulting Numbers: [11, 22] Generated Node #0,3,3: 11:[11, 22] Operation: 86-64=22 Exploring Operation: 64-11=53, Resulting Numbers: [86, 53] Generated Node #0,3,4: 11:[86, 53] Operation: 64-11=53 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 11:[11, 22], Operations: ['95-9=86', '86-64=22'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[64, 9, 11, 95], Operations: [] Exploring Operation: 95-9=86, Resulting Numbers: [64, 11, 86] Generated Node #0,3: 11:[64, 11, 86] Operation: 95-9=86 Moving to Node #0,3 Current State: 11:[64, 11, 86], Operations: ['95-9=86'] Exploring Operation: 86-64=22, Resulting Numbers: [11, 22] Generated Node #0,3,3: 11:[11, 22] Operation: 86-64=22 Moving to Node #0,3,3 Current State: 11:[11, 22], Operations: ['95-9=86', '86-64=22'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
mult_heuristic
[ 65, 98, 64, 30 ]
69
[ "65+98=163", "64+30=94", "163-94=69" ]
Current State: 69:[65, 98, 64, 30], Operations: [] Exploring Operation: 65+98=163, Resulting Numbers: [64, 30, 163] Generated Node #2: [64, 30, 163] from Operation: 65+98=163 Current State: 69:[64, 30, 163], Operations: ['65+98=163'] Exploring Operation: 64+30=94, Resulting Numbers: [163, 94] Generated Node #3: [163, 94] from Operation: 64+30=94 Current State: 69:[163, 94], Operations: ['65+98=163', '64+30=94'] Exploring Operation: 163-94=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[65, 98, 64, 30], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [64, 30, 33] Generated Node #0,0: 69:[64, 30, 33] Operation: 98-65=33 Exploring Operation: 64-30=34, Resulting Numbers: [65, 98, 34] Generated Node #0,1: 69:[65, 98, 34] Operation: 64-30=34 Exploring Operation: 98-64=34, Resulting Numbers: [65, 30, 34] Generated Node #0,2: 69:[65, 30, 34] Operation: 98-64=34 Exploring Operation: 65-64=1, Resulting Numbers: [98, 30, 1] Generated Node #0,3: 69:[98, 30, 1] Operation: 65-64=1 Exploring Operation: 98-30=68, Resulting Numbers: [65, 64, 68] Generated Node #0,4: 69:[65, 64, 68] Operation: 98-30=68 Start Sub Search at level 1: Moving to Node #0,4 Current State: 69:[65, 64, 68], Operations: ['98-30=68'] Exploring Operation: 65-64=1, Resulting Numbers: [68, 1] Generated Node #0,4,0: 69:[68, 1] Operation: 65-64=1 Exploring Operation: 68-65=3, Resulting Numbers: [64, 3] Generated Node #0,4,1: 69:[64, 3] Operation: 68-65=3 Exploring Operation: 65+64=129, Resulting Numbers: [68, 129] Generated Node #0,4,2: 69:[68, 129] Operation: 65+64=129 Exploring Operation: 64+68=132, Resulting Numbers: [65, 132] Generated Node #0,4,3: 69:[65, 132] Operation: 64+68=132 Exploring Operation: 68-64=4, Resulting Numbers: [65, 4] Generated Node #0,4,4: 69:[65, 4] Operation: 68-64=4 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 69:[68, 1], Operations: ['98-30=68', '65-64=1'] Exploring Operation: 68*1=68, Resulting Numbers: [68] 68,69 unequal: No Solution Exploring Operation: 68/1=68, Resulting Numbers: [68] 68,69 unequal: No Solution Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[65, 98, 64, 30], Operations: [] Exploring Operation: 98-30=68, Resulting Numbers: [65, 64, 68] Generated Node #0,4: 69:[65, 64, 68] Operation: 98-30=68 Moving to Node #0,4 Current State: 69:[65, 64, 68], Operations: ['98-30=68'] Exploring Operation: 65-64=1, Resulting Numbers: [68, 1] Generated Node #0,4,0: 69:[68, 1] Operation: 65-64=1 Moving to Node #0,4,0 Current State: 69:[68, 1], Operations: ['98-30=68', '65-64=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 17, 2, 49, 47 ]
65
[ "49+47=96", "96/2=48", "17+48=65" ]
Current State: 65:[17, 2, 49, 47], Operations: [] Exploring Operation: 49+47=96, Resulting Numbers: [17, 2, 96] Generated Node #2: [17, 2, 96] from Operation: 49+47=96 Current State: 65:[17, 2, 96], Operations: ['49+47=96'] Exploring Operation: 96/2=48, Resulting Numbers: [17, 48] Generated Node #3: [17, 48] from Operation: 96/2=48 Current State: 65:[17, 48], Operations: ['49+47=96', '96/2=48'] Exploring Operation: 17+48=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[17, 2, 49, 47], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [17, 2, 2] Generated Node #0,0: 65:[17, 2, 2] Operation: 49-47=2 Exploring Operation: 17+47=64, Resulting Numbers: [2, 49, 64] Generated Node #0,1: 65:[2, 49, 64] Operation: 17+47=64 Moving to Node #0,0 Current State: 65:[17, 2, 2], Operations: ['49-47=2'] Exploring Operation: 17-2=15, Resulting Numbers: [2, 15] Generated Node #0,0,0: 65:[2, 15] Operation: 17-2=15 Exploring Operation: 17-2=15, Resulting Numbers: [2, 15] Generated Node #0,0,1: 65:[2, 15] Operation: 17-2=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[2, 15], Operations: ['49-47=2', '17-2=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[2, 15], Operations: ['49-47=2', '17-2=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 65:[2, 49, 64], Operations: ['17+47=64'] Exploring Operation: 64-49=15, Resulting Numbers: [2, 15] Generated Node #0,1,0: 65:[2, 15] Operation: 64-49=15 Exploring Operation: 2+49=51, Resulting Numbers: [64, 51] Generated Node #0,1,1: 65:[64, 51] Operation: 2+49=51 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[2, 15], Operations: ['17+47=64', '64-49=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,65 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[64, 51], Operations: ['17+47=64', '2+49=51'] Exploring Operation: 64-51=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 64+51=115, Resulting Numbers: [115] 115,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 66, 33, 6, 58 ]
80
[ "66/6=11", "33+58=91", "91-11=80" ]
Current State: 80:[66, 33, 6, 58], Operations: [] Exploring Operation: 66/6=11, Resulting Numbers: [33, 58, 11] Generated Node #2: [33, 58, 11] from Operation: 66/6=11 Current State: 80:[33, 58, 11], Operations: ['66/6=11'] Exploring Operation: 33+58=91, Resulting Numbers: [11, 91] Generated Node #3: [11, 91] from Operation: 33+58=91 Current State: 80:[11, 91], Operations: ['66/6=11', '33+58=91'] Exploring Operation: 91-11=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[66, 33, 6, 58], Operations: [] Exploring Operation: 66/33=2, Resulting Numbers: [6, 58, 2] Generated Node #0,0: 80:[6, 58, 2] Operation: 66/33=2 Exploring Operation: 58-33=25, Resulting Numbers: [66, 6, 25] Generated Node #0,1: 80:[66, 6, 25] Operation: 58-33=25 Exploring Operation: 66-58=8, Resulting Numbers: [33, 6, 8] Generated Node #0,2: 80:[33, 6, 8] Operation: 66-58=8 Moving to Node #0,2 Current State: 80:[33, 6, 8], Operations: ['66-58=8'] Exploring Operation: 33+6=39, Resulting Numbers: [8, 39] Generated Node #0,2,0: 80:[8, 39] Operation: 33+6=39 Exploring Operation: 33+8=41, Resulting Numbers: [6, 41] Generated Node #0,2,1: 80:[6, 41] Operation: 33+8=41 Exploring Operation: 33-8=25, Resulting Numbers: [6, 25] Generated Node #0,2,2: 80:[6, 25] Operation: 33-8=25 Moving to Node #0,0 Current State: 80:[6, 58, 2], Operations: ['66/33=2'] Exploring Operation: 58-6=52, Resulting Numbers: [2, 52] Generated Node #0,0,0: 80:[2, 52] Operation: 58-6=52 Exploring Operation: 58/2=29, Resulting Numbers: [6, 29] Generated Node #0,0,1: 80:[6, 29] Operation: 58/2=29 Exploring Operation: 6+58=64, Resulting Numbers: [2, 64] Generated Node #0,0,2: 80:[2, 64] Operation: 6+58=64 Moving to Node #0,1 Current State: 80:[66, 6, 25], Operations: ['58-33=25'] Exploring Operation: 66+25=91, Resulting Numbers: [6, 91] Generated Node #0,1,0: 80:[6, 91] Operation: 66+25=91 Exploring Operation: 66-25=41, Resulting Numbers: [6, 41] Generated Node #0,1,1: 80:[6, 41] Operation: 66-25=41 Exploring Operation: 66/6=11, Resulting Numbers: [25, 11] Generated Node #0,1,2: 80:[25, 11] Operation: 66/6=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 80:[6, 41], Operations: ['58-33=25', '66-25=41'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,80 unequal: No Solution Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,80 unequal: No Solution Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 80:[25, 11], Operations: ['58-33=25', '66/6=11'] Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,80 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 80:[6, 91], Operations: ['58-33=25', '66+25=91'] Exploring Operation: 91-6=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 6+91=97, Resulting Numbers: [97] 97,80 unequal: No Solution Exploring Operation: 6*91=546, Resulting Numbers: [546] 546,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 80:[8, 39], Operations: ['66-58=8', '33+6=39'] Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 8+39=47, Resulting Numbers: [47] 47,80 unequal: No Solution Exploring Operation: 8*39=312, Resulting Numbers: [312] 312,80 unequal: No Solution Moving to Node #0,2,1 Current State: 80:[6, 41], Operations: ['66-58=8', '33+8=41'] Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,80 unequal: No Solution Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,80 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,80 unequal: No Solution Moving to Node #0,2,2 Current State: 80:[6, 25], Operations: ['66-58=8', '33-8=25'] Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,80 unequal: No Solution Exploring Operation: 6*25=150, Resulting Numbers: [150] 150,80 unequal: No Solution Moving to Node #0,0,1 Current State: 80:[6, 29], Operations: ['66/33=2', '58/2=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,80 unequal: No Solution Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,80 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,80 unequal: No Solution Moving to Node #0,0,0 Current State: 80:[2, 52], Operations: ['66/33=2', '58-6=52'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,80 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,80 unequal: No Solution Moving to Node #0,0,2 Current State: 80:[2, 64], Operations: ['66/33=2', '6+58=64'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,80 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,80 unequal: No Solution Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,80 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 53, 10, 45, 19 ]
69
[ "53-10=43", "45-19=26", "43+26=69" ]
Current State: 69:[53, 10, 45, 19], Operations: [] Exploring Operation: 53-10=43, Resulting Numbers: [45, 19, 43] Generated Node #2: [45, 19, 43] from Operation: 53-10=43 Current State: 69:[45, 19, 43], Operations: ['53-10=43'] Exploring Operation: 45-19=26, Resulting Numbers: [43, 26] Generated Node #3: [43, 26] from Operation: 45-19=26 Current State: 69:[43, 26], Operations: ['53-10=43', '45-19=26'] Exploring Operation: 43+26=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[53, 10, 45, 19], Operations: [] Exploring Operation: 53-45=8, Resulting Numbers: [10, 19, 8] Generated Node #0,0: 69:[10, 19, 8] Operation: 53-45=8 Moving to Node #0,0 Current State: 69:[10, 19, 8], Operations: ['53-45=8'] Exploring Operation: 10-8=2, Resulting Numbers: [19, 2] Generated Node #0,0,0: 69:[19, 2] Operation: 10-8=2 Moving to Node #0,0,0 Current State: 69:[19, 2], Operations: ['53-45=8', '10-8=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,69 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 15, 88, 98, 84 ]
56
[ "98-88=10", "84*10=840", "840/15=56" ]
Current State: 56:[15, 88, 98, 84], Operations: [] Exploring Operation: 98-88=10, Resulting Numbers: [15, 84, 10] Generated Node #2: [15, 84, 10] from Operation: 98-88=10 Current State: 56:[15, 84, 10], Operations: ['98-88=10'] Exploring Operation: 84*10=840, Resulting Numbers: [15, 840] Generated Node #3: [15, 840] from Operation: 84*10=840 Current State: 56:[15, 840], Operations: ['98-88=10', '84*10=840'] Exploring Operation: 840/15=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[15, 88, 98, 84], Operations: [] Exploring Operation: 98-88=10, Resulting Numbers: [15, 84, 10] Generated Node #0,0: 56:[15, 84, 10] Operation: 98-88=10 Exploring Operation: 98-84=14, Resulting Numbers: [15, 88, 14] Generated Node #0,1: 56:[15, 88, 14] Operation: 98-84=14 Moving to Node #0,0 Current State: 56:[15, 84, 10], Operations: ['98-88=10'] Exploring Operation: 84-15=69, Resulting Numbers: [10, 69] Generated Node #0,0,0: 56:[10, 69] Operation: 84-15=69 Exploring Operation: 84-10=74, Resulting Numbers: [15, 74] Generated Node #0,0,1: 56:[15, 74] Operation: 84-10=74 Moving to Node #0,1 Current State: 56:[15, 88, 14], Operations: ['98-84=14'] Exploring Operation: 88-15=73, Resulting Numbers: [14, 73] Generated Node #0,1,0: 56:[14, 73] Operation: 88-15=73 Exploring Operation: 88-14=74, Resulting Numbers: [15, 74] Generated Node #0,1,1: 56:[15, 74] Operation: 88-14=74 Moving to Node #0,0,0 Current State: 56:[10, 69], Operations: ['98-88=10', '84-15=69'] Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,56 unequal: No Solution Exploring Operation: 10+69=79, Resulting Numbers: [79] 79,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[14, 73], Operations: ['98-84=14', '88-15=73'] Exploring Operation: 14+73=87, Resulting Numbers: [87] 87,56 unequal: No Solution Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[15, 74], Operations: ['98-88=10', '84-10=74'] Exploring Operation: 15+74=89, Resulting Numbers: [89] 89,56 unequal: No Solution Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[15, 74], Operations: ['98-84=14', '88-14=74'] Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,56 unequal: No Solution Exploring Operation: 15+74=89, Resulting Numbers: [89] 89,56 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 52, 18, 57, 16 ]
83
[ "18-16=2", "52/2=26", "57+26=83" ]
Current State: 83:[52, 18, 57, 16], Operations: [] Exploring Operation: 18-16=2, Resulting Numbers: [52, 57, 2] Generated Node #2: [52, 57, 2] from Operation: 18-16=2 Current State: 83:[52, 57, 2], Operations: ['18-16=2'] Exploring Operation: 52/2=26, Resulting Numbers: [57, 26] Generated Node #3: [57, 26] from Operation: 52/2=26 Current State: 83:[57, 26], Operations: ['18-16=2', '52/2=26'] Exploring Operation: 57+26=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[52, 18, 57, 16], Operations: [] Exploring Operation: 52+16=68, Resulting Numbers: [18, 57, 68] Generated Node #0,0: 83:[18, 57, 68] Operation: 52+16=68 Exploring Operation: 18+57=75, Resulting Numbers: [52, 16, 75] Generated Node #0,1: 83:[52, 16, 75] Operation: 18+57=75 Exploring Operation: 52+18=70, Resulting Numbers: [57, 16, 70] Generated Node #0,2: 83:[57, 16, 70] Operation: 52+18=70 Moving to Node #0,0 Current State: 83:[18, 57, 68], Operations: ['52+16=68'] Exploring Operation: 18+68=86, Resulting Numbers: [57, 86] Generated Node #0,0,0: 83:[57, 86] Operation: 18+68=86 Exploring Operation: 18+57=75, Resulting Numbers: [68, 75] Generated Node #0,0,1: 83:[68, 75] Operation: 18+57=75 Exploring Operation: 57-18=39, Resulting Numbers: [68, 39] Generated Node #0,0,2: 83:[68, 39] Operation: 57-18=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[68, 75], Operations: ['52+16=68', '18+57=75'] Exploring Operation: 68*75=5100, Resulting Numbers: [5100] 5100,83 unequal: No Solution Exploring Operation: 75-68=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 68+75=143, Resulting Numbers: [143] 143,83 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 #0,0,0 Current State: 83:[57, 86], Operations: ['52+16=68', '18+68=86'] Exploring Operation: 57*86=4902, Resulting Numbers: [4902] 4902,83 unequal: No Solution Exploring Operation: 57+86=143, Resulting Numbers: [143] 143,83 unequal: No Solution Exploring Operation: 86-57=29, Resulting Numbers: [29] 29,83 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 #0,0,2 Current State: 83:[68, 39], Operations: ['52+16=68', '57-18=39'] Exploring Operation: 68*39=2652, Resulting Numbers: [2652] 2652,83 unequal: No Solution Exploring Operation: 68+39=107, Resulting Numbers: [107] 107,83 unequal: No Solution Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,83 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: 83:[52, 16, 75], Operations: ['18+57=75'] Exploring Operation: 52+16=68, Resulting Numbers: [75, 68] Generated Node #0,1,0: 83:[75, 68] Operation: 52+16=68 Exploring Operation: 52-16=36, Resulting Numbers: [75, 36] Generated Node #0,1,1: 83:[75, 36] Operation: 52-16=36 Exploring Operation: 16+75=91, Resulting Numbers: [52, 91] Generated Node #0,1,2: 83:[52, 91] Operation: 16+75=91 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[75, 68], Operations: ['18+57=75', '52+16=68'] Exploring Operation: 75-68=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 75+68=143, Resulting Numbers: [143] 143,83 unequal: No Solution Exploring Operation: 75*68=5100, Resulting Numbers: [5100] 5100,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 83:[52, 91], Operations: ['18+57=75', '16+75=91'] Exploring Operation: 52*91=4732, Resulting Numbers: [4732] 4732,83 unequal: No Solution Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,83 unequal: No Solution Exploring Operation: 52+91=143, Resulting Numbers: [143] 143,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 83:[75, 36], Operations: ['18+57=75', '52-16=36'] Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,83 unequal: No Solution Exploring Operation: 75+36=111, Resulting Numbers: [111] 111,83 unequal: No Solution Exploring Operation: 75*36=2700, Resulting Numbers: [2700] 2700,83 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: 83:[57, 16, 70], Operations: ['52+18=70'] Exploring Operation: 16+70=86, Resulting Numbers: [57, 86] Generated Node #0,2,0: 83:[57, 86] Operation: 16+70=86 Exploring Operation: 57+16=73, Resulting Numbers: [70, 73] Generated Node #0,2,1: 83:[70, 73] Operation: 57+16=73 Exploring Operation: 57-16=41, Resulting Numbers: [70, 41] Generated Node #0,2,2: 83:[70, 41] Operation: 57-16=41 Moving to Node #0,2,1 Current State: 83:[70, 73], Operations: ['52+18=70', '57+16=73'] Exploring Operation: 73-70=3, Resulting Numbers: [3] 3,83 unequal: No Solution Exploring Operation: 70+73=143, Resulting Numbers: [143] 143,83 unequal: No Solution Exploring Operation: 70*73=5110, Resulting Numbers: [5110] 5110,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[57, 86], Operations: ['52+18=70', '16+70=86'] Exploring Operation: 57+86=143, Resulting Numbers: [143] 143,83 unequal: No Solution Exploring Operation: 57*86=4902, Resulting Numbers: [4902] 4902,83 unequal: No Solution Exploring Operation: 86-57=29, Resulting Numbers: [29] 29,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[70, 41], Operations: ['52+18=70', '57-16=41'] Exploring Operation: 70+41=111, Resulting Numbers: [111] 111,83 unequal: No Solution Exploring Operation: 70*41=2870, Resulting Numbers: [2870] 2870,83 unequal: No Solution Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,83 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 31, 73, 21, 20 ]
41
[ "73-31=42", "21-20=1", "42-1=41" ]
Current State: 41:[31, 73, 21, 20], Operations: [] Exploring Operation: 73-31=42, Resulting Numbers: [21, 20, 42] Generated Node #2: [21, 20, 42] from Operation: 73-31=42 Current State: 41:[21, 20, 42], Operations: ['73-31=42'] Exploring Operation: 21-20=1, Resulting Numbers: [42, 1] Generated Node #3: [42, 1] from Operation: 21-20=1 Current State: 41:[42, 1], Operations: ['73-31=42', '21-20=1'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[31, 73, 21, 20], Operations: [] Exploring Operation: 73-31=42, Resulting Numbers: [21, 20, 42] Generated Node #0,0: 41:[21, 20, 42] Operation: 73-31=42 Exploring Operation: 73-20=53, Resulting Numbers: [31, 21, 53] Generated Node #0,1: 41:[31, 21, 53] Operation: 73-20=53 Exploring Operation: 73-21=52, Resulting Numbers: [31, 20, 52] Generated Node #0,2: 41:[31, 20, 52] Operation: 73-21=52 Exploring Operation: 21+20=41, Resulting Numbers: [31, 73, 41] Generated Node #0,3: 41:[31, 73, 41] Operation: 21+20=41 Moving to Node #0,0 Current State: 41:[21, 20, 42], Operations: ['73-31=42'] Exploring Operation: 21-20=1, Resulting Numbers: [42, 1] Generated Node #0,0,0: 41:[42, 1] Operation: 21-20=1 Exploring Operation: 42-21=21, Resulting Numbers: [20, 21] Generated Node #0,0,1: 41:[20, 21] Operation: 42-21=21 Exploring Operation: 42-20=22, Resulting Numbers: [21, 22] Generated Node #0,0,2: 41:[21, 22] Operation: 42-20=22 Exploring Operation: 21+20=41, Resulting Numbers: [42, 41] Generated Node #0,0,3: 41:[42, 41] Operation: 21+20=41 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 41:[42, 41], Operations: ['73-31=42', '21+20=41'] Exploring Operation: 42-41=1, Resulting Numbers: [1] 1,41 unequal: No Solution Exploring Operation: 42*41=1722, Resulting Numbers: [1722] 1722,41 unequal: No Solution Exploring Operation: 42+41=83, Resulting Numbers: [83] 83,41 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 #0,0,2 Current State: 41:[21, 22], Operations: ['73-31=42', '42-20=22'] Exploring Operation: 21*22=462, Resulting Numbers: [462] 462,41 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,41 unequal: No Solution Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,41 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 #0,0,0 Current State: 41:[42, 1], Operations: ['73-31=42', '21-20=1'] Exploring Operation: 42+1=43, Resulting Numbers: [43] 43,41 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[31, 73, 21, 20], Operations: [] Exploring Operation: 73-31=42, Resulting Numbers: [21, 20, 42] Generated Node #0,0: 41:[21, 20, 42] Operation: 73-31=42 Moving to Node #0,0 Current State: 41:[21, 20, 42], Operations: ['73-31=42'] Exploring Operation: 21-20=1, Resulting Numbers: [42, 1] Generated Node #0,0,0: 41:[42, 1] Operation: 21-20=1 Moving to Node #0,0,0 Current State: 41:[42, 1], Operations: ['73-31=42', '21-20=1'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 24, 5, 22, 26 ]
49
[ "26-24=2", "22*2=44", "5+44=49" ]
Current State: 49:[24, 5, 22, 26], Operations: [] Exploring Operation: 26-24=2, Resulting Numbers: [5, 22, 2] Generated Node #2: [5, 22, 2] from Operation: 26-24=2 Current State: 49:[5, 22, 2], Operations: ['26-24=2'] Exploring Operation: 22*2=44, Resulting Numbers: [5, 44] Generated Node #3: [5, 44] from Operation: 22*2=44 Current State: 49:[5, 44], Operations: ['26-24=2', '22*2=44'] Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[24, 5, 22, 26], Operations: [] Exploring Operation: 24+26=50, Resulting Numbers: [5, 22, 50] Generated Node #0,0: 49:[5, 22, 50] Operation: 24+26=50 Exploring Operation: 22+26=48, Resulting Numbers: [24, 5, 48] Generated Node #0,1: 49:[24, 5, 48] Operation: 22+26=48 Moving to Node #0,0 Current State: 49:[5, 22, 50], Operations: ['24+26=50'] Exploring Operation: 22-5=17, Resulting Numbers: [50, 17] Generated Node #0,0,0: 49:[50, 17] Operation: 22-5=17 Exploring Operation: 50/5=10, Resulting Numbers: [22, 10] Generated Node #0,0,1: 49:[22, 10] Operation: 50/5=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[50, 17], Operations: ['24+26=50', '22-5=17'] Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,49 unequal: No Solution Exploring Operation: 50-17=33, Resulting Numbers: [33] 33,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[22, 10], Operations: ['24+26=50', '50/5=10'] Exploring Operation: 22+10=32, Resulting Numbers: [32] 32,49 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 49:[24, 5, 48], Operations: ['22+26=48'] Exploring Operation: 48/24=2, Resulting Numbers: [5, 2] Generated Node #0,1,0: 49:[5, 2] Operation: 48/24=2 Exploring Operation: 24-5=19, Resulting Numbers: [48, 19] Generated Node #0,1,1: 49:[48, 19] Operation: 24-5=19 Moving to Node #0,1,0 Current State: 49:[5, 2], Operations: ['22+26=48', '48/24=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[48, 19], Operations: ['22+26=48', '24-5=19'] Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,49 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,49 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 72, 83, 93, 99 ]
37
[ "72+83=155", "93+99=192", "192-155=37" ]
Current State: 37:[72, 83, 93, 99], Operations: [] Exploring Operation: 72+83=155, Resulting Numbers: [93, 99, 155] Generated Node #2: [93, 99, 155] from Operation: 72+83=155 Current State: 37:[93, 99, 155], Operations: ['72+83=155'] Exploring Operation: 93+99=192, Resulting Numbers: [155, 192] Generated Node #3: [155, 192] from Operation: 93+99=192 Current State: 37:[155, 192], Operations: ['72+83=155', '93+99=192'] Exploring Operation: 192-155=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[72, 83, 93, 99], Operations: [] Exploring Operation: 99-83=16, Resulting Numbers: [72, 93, 16] Generated Node #0,0: 37:[72, 93, 16] Operation: 99-83=16 Exploring Operation: 99-72=27, Resulting Numbers: [83, 93, 27] Generated Node #0,1: 37:[83, 93, 27] Operation: 99-72=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[72, 93, 16], Operations: ['99-83=16'] Exploring Operation: 93-72=21, Resulting Numbers: [16, 21] Generated Node #0,0,0: 37:[16, 21] Operation: 93-72=21 Exploring Operation: 72-16=56, Resulting Numbers: [93, 56] Generated Node #0,0,1: 37:[93, 56] Operation: 72-16=56 Moving to Node #0,0,0 Current State: 37:[16, 21], Operations: ['99-83=16', '93-72=21'] Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,37 unequal: No Solution Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[72, 83, 93, 99], Operations: [] Exploring Operation: 99-83=16, Resulting Numbers: [72, 93, 16] Generated Node #0,0: 37:[72, 93, 16] Operation: 99-83=16 Moving to Node #0,0 Current State: 37:[72, 93, 16], Operations: ['99-83=16'] Exploring Operation: 93-72=21, Resulting Numbers: [16, 21] Generated Node #0,0,0: 37:[16, 21] Operation: 93-72=21 Moving to Node #0,0,0 Current State: 37:[16, 21], Operations: ['99-83=16', '93-72=21'] Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 54, 23, 72, 5 ]
97
[ "72-54=18", "23*5=115", "115-18=97" ]
Current State: 97:[54, 23, 72, 5], Operations: [] Exploring Operation: 72-54=18, Resulting Numbers: [23, 5, 18] Generated Node #2: [23, 5, 18] from Operation: 72-54=18 Current State: 97:[23, 5, 18], Operations: ['72-54=18'] Exploring Operation: 23*5=115, Resulting Numbers: [18, 115] Generated Node #3: [18, 115] from Operation: 23*5=115 Current State: 97:[18, 115], Operations: ['72-54=18', '23*5=115'] Exploring Operation: 115-18=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[54, 23, 72, 5], Operations: [] Exploring Operation: 23*5=115, Resulting Numbers: [54, 72, 115] Generated Node #0,0: 97:[54, 72, 115] Operation: 23*5=115 Exploring Operation: 54+23=77, Resulting Numbers: [72, 5, 77] Generated Node #0,1: 97:[72, 5, 77] Operation: 54+23=77 Moving to Node #0,0 Current State: 97:[54, 72, 115], Operations: ['23*5=115'] Exploring Operation: 115-54=61, Resulting Numbers: [72, 61] Generated Node #0,0,0: 97:[72, 61] Operation: 115-54=61 Exploring Operation: 54+72=126, Resulting Numbers: [115, 126] Generated Node #0,0,1: 97:[115, 126] Operation: 54+72=126 Moving to Node #0,1 Current State: 97:[72, 5, 77], Operations: ['54+23=77'] Exploring Operation: 72+5=77, Resulting Numbers: [77, 77] Generated Node #0,1,0: 97:[77, 77] Operation: 72+5=77 Exploring Operation: 5+77=82, Resulting Numbers: [72, 82] Generated Node #0,1,1: 97:[72, 82] Operation: 5+77=82 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[77, 77], Operations: ['54+23=77', '72+5=77'] Exploring Operation: 77/77=1, Resulting Numbers: [1] 1,97 unequal: No Solution Exploring Operation: 77+77=154, Resulting Numbers: [154] 154,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[72, 82], Operations: ['54+23=77', '5+77=82'] Exploring Operation: 72+82=154, Resulting Numbers: [154] 154,97 unequal: No Solution Exploring Operation: 82-72=10, Resulting Numbers: [10] 10,97 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: 97:[115, 126], Operations: ['23*5=115', '54+72=126'] Exploring Operation: 126-115=11, Resulting Numbers: [11] 11,97 unequal: No Solution Exploring Operation: 115+126=241, Resulting Numbers: [241] 241,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[72, 61], Operations: ['23*5=115', '115-54=61'] Exploring Operation: 72+61=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 72-61=11, Resulting Numbers: [11] 11,97 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 61, 94, 80, 52 ]
61
[ "94-61=33", "80-52=28", "33+28=61" ]
Current State: 61:[61, 94, 80, 52], Operations: [] Exploring Operation: 94-61=33, Resulting Numbers: [80, 52, 33] Generated Node #2: [80, 52, 33] from Operation: 94-61=33 Current State: 61:[80, 52, 33], Operations: ['94-61=33'] Exploring Operation: 80-52=28, Resulting Numbers: [33, 28] Generated Node #3: [33, 28] from Operation: 80-52=28 Current State: 61:[33, 28], Operations: ['94-61=33', '80-52=28'] Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[61, 94, 80, 52], Operations: [] Exploring Operation: 80-52=28, Resulting Numbers: [61, 94, 28] Generated Node #0,0: 61:[61, 94, 28] Operation: 80-52=28 Exploring Operation: 94-52=42, Resulting Numbers: [61, 80, 42] Generated Node #0,1: 61:[61, 80, 42] Operation: 94-52=42 Exploring Operation: 94-80=14, Resulting Numbers: [61, 52, 14] Generated Node #0,2: 61:[61, 52, 14] Operation: 94-80=14 Exploring Operation: 94-61=33, Resulting Numbers: [80, 52, 33] Generated Node #0,3: 61:[80, 52, 33] Operation: 94-61=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[61, 80, 42], Operations: ['94-52=42'] Exploring Operation: 61-42=19, Resulting Numbers: [80, 19] Generated Node #0,1,0: 61:[80, 19] Operation: 61-42=19 Exploring Operation: 80-42=38, Resulting Numbers: [61, 38] Generated Node #0,1,1: 61:[61, 38] Operation: 80-42=38 Exploring Operation: 61+42=103, Resulting Numbers: [80, 103] Generated Node #0,1,2: 61:[80, 103] Operation: 61+42=103 Exploring Operation: 80-61=19, Resulting Numbers: [42, 19] Generated Node #0,1,3: 61:[42, 19] Operation: 80-61=19 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[61, 38], Operations: ['94-52=42', '80-42=38'] Exploring Operation: 61+38=99, Resulting Numbers: [99] 99,61 unequal: No Solution Exploring Operation: 61-38=23, Resulting Numbers: [23] 23,61 unequal: No Solution Exploring Operation: 61*38=2318, Resulting Numbers: [2318] 2318,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[80, 19], Operations: ['94-52=42', '61-42=19'] Exploring Operation: 80-19=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[61, 94, 80, 52], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [61, 80, 42] Generated Node #0,1: 61:[61, 80, 42] Operation: 94-52=42 Moving to Node #0,1 Current State: 61:[61, 80, 42], Operations: ['94-52=42'] Exploring Operation: 61-42=19, Resulting Numbers: [80, 19] Generated Node #0,1,0: 61:[80, 19] Operation: 61-42=19 Moving to Node #0,1,0 Current State: 61:[80, 19], Operations: ['94-52=42', '61-42=19'] Exploring Operation: 80-19=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 29, 32, 64, 18 ]
94
[ "29+18=47", "64/32=2", "47*2=94" ]
Current State: 94:[29, 32, 64, 18], Operations: [] Exploring Operation: 29+18=47, Resulting Numbers: [32, 64, 47] Generated Node #2: [32, 64, 47] from Operation: 29+18=47 Current State: 94:[32, 64, 47], Operations: ['29+18=47'] Exploring Operation: 64/32=2, Resulting Numbers: [47, 2] Generated Node #3: [47, 2] from Operation: 64/32=2 Current State: 94:[47, 2], Operations: ['29+18=47', '64/32=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[29, 32, 64, 18], Operations: [] Exploring Operation: 29+18=47, Resulting Numbers: [32, 64, 47] Generated Node #0,0: 94:[32, 64, 47] Operation: 29+18=47 Exploring Operation: 64/32=2, Resulting Numbers: [29, 18, 2] Generated Node #0,1: 94:[29, 18, 2] Operation: 64/32=2 Exploring Operation: 29+64=93, Resulting Numbers: [32, 18, 93] Generated Node #0,2: 94:[32, 18, 93] Operation: 29+64=93 Exploring Operation: 32-29=3, Resulting Numbers: [64, 18, 3] Generated Node #0,3: 94:[64, 18, 3] Operation: 32-29=3 Exploring Operation: 64-18=46, Resulting Numbers: [29, 32, 46] Generated Node #0,4: 94:[29, 32, 46] Operation: 64-18=46 Moving to Node #0,0 Current State: 94:[32, 64, 47], Operations: ['29+18=47'] Exploring Operation: 47-32=15, Resulting Numbers: [64, 15] Generated Node #0,0,0: 94:[64, 15] Operation: 47-32=15 Exploring Operation: 32+64=96, Resulting Numbers: [47, 96] Generated Node #0,0,1: 94:[47, 96] Operation: 32+64=96 Exploring Operation: 64-47=17, Resulting Numbers: [32, 17] Generated Node #0,0,2: 94:[32, 17] Operation: 64-47=17 Exploring Operation: 64/32=2, Resulting Numbers: [47, 2] Generated Node #0,0,3: 94:[47, 2] Operation: 64/32=2 Exploring Operation: 64-32=32, Resulting Numbers: [47, 32] Generated Node #0,0,4: 94:[47, 32] Operation: 64-32=32 Moving to Node #0,2 Current State: 94:[32, 18, 93], Operations: ['29+64=93'] Exploring Operation: 93-18=75, Resulting Numbers: [32, 75] Generated Node #0,2,0: 94:[32, 75] Operation: 93-18=75 Exploring Operation: 93-32=61, Resulting Numbers: [18, 61] Generated Node #0,2,1: 94:[18, 61] Operation: 93-32=61 Exploring Operation: 18+93=111, Resulting Numbers: [32, 111] Generated Node #0,2,2: 94:[32, 111] Operation: 18+93=111 Exploring Operation: 32+18=50, Resulting Numbers: [93, 50] Generated Node #0,2,3: 94:[93, 50] Operation: 32+18=50 Exploring Operation: 32-18=14, Resulting Numbers: [93, 14] Generated Node #0,2,4: 94:[93, 14] Operation: 32-18=14 Moving to Node #0,1 Current State: 94:[29, 18, 2], Operations: ['64/32=2'] Exploring Operation: 18*2=36, Resulting Numbers: [29, 36] Generated Node #0,1,0: 94:[29, 36] Operation: 18*2=36 Exploring Operation: 29+18=47, Resulting Numbers: [2, 47] Generated Node #0,1,1: 94:[2, 47] Operation: 29+18=47 Exploring Operation: 29-18=11, Resulting Numbers: [2, 11] Generated Node #0,1,2: 94:[2, 11] Operation: 29-18=11 Exploring Operation: 29*2=58, Resulting Numbers: [18, 58] Generated Node #0,1,3: 94:[18, 58] Operation: 29*2=58 Exploring Operation: 18/2=9, Resulting Numbers: [29, 9] Generated Node #0,1,4: 94:[29, 9] Operation: 18/2=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 94:[2, 47], Operations: ['64/32=2', '29+18=47'] Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[29, 32, 64, 18], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [29, 18, 2] Generated Node #0,1: 94:[29, 18, 2] Operation: 64/32=2 Moving to Node #0,1 Current State: 94:[29, 18, 2], Operations: ['64/32=2'] Exploring Operation: 29+18=47, Resulting Numbers: [2, 47] Generated Node #0,1,1: 94:[2, 47] Operation: 29+18=47 Moving to Node #0,1,1 Current State: 94:[2, 47], Operations: ['64/32=2', '29+18=47'] Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
mult_heuristic
[ 38, 87, 45, 33 ]
47
[ "38+87=125", "45+33=78", "125-78=47" ]
Current State: 47:[38, 87, 45, 33], Operations: [] Exploring Operation: 38+87=125, Resulting Numbers: [45, 33, 125] Generated Node #2: [45, 33, 125] from Operation: 38+87=125 Current State: 47:[45, 33, 125], Operations: ['38+87=125'] Exploring Operation: 45+33=78, Resulting Numbers: [125, 78] Generated Node #3: [125, 78] from Operation: 45+33=78 Current State: 47:[125, 78], Operations: ['38+87=125', '45+33=78'] Exploring Operation: 125-78=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[38, 87, 45, 33], Operations: [] Exploring Operation: 87-38=49, Resulting Numbers: [45, 33, 49] Generated Node #0,0: 47:[45, 33, 49] Operation: 87-38=49 Exploring Operation: 87-33=54, Resulting Numbers: [38, 45, 54] Generated Node #0,1: 47:[38, 45, 54] Operation: 87-33=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[45, 33, 49], Operations: ['87-38=49'] Exploring Operation: 45+33=78, Resulting Numbers: [49, 78] Generated Node #0,0,0: 47:[49, 78] Operation: 45+33=78 Exploring Operation: 49-33=16, Resulting Numbers: [45, 16] Generated Node #0,0,1: 47:[45, 16] Operation: 49-33=16 Moving to Node #0,0,0 Current State: 47:[49, 78], Operations: ['87-38=49', '45+33=78'] Exploring Operation: 49+78=127, Resulting Numbers: [127] 127,47 unequal: No Solution Exploring Operation: 78-49=29, Resulting Numbers: [29] 29,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[45, 16], Operations: ['87-38=49', '49-33=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 No 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: 47:[38, 45, 54], Operations: ['87-33=54'] Exploring Operation: 38+45=83, Resulting Numbers: [54, 83] Generated Node #0,1,0: 47:[54, 83] Operation: 38+45=83 Exploring Operation: 54-38=16, Resulting Numbers: [45, 16] Generated Node #0,1,1: 47:[45, 16] Operation: 54-38=16 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[45, 16], Operations: ['87-33=54', '54-38=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 No 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: 47:[54, 83], Operations: ['87-33=54', '38+45=83'] Exploring Operation: 83-54=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 54+83=137, Resulting Numbers: [137] 137,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 51, 12, 63, 45 ]
34
[ "51*12=612", "63-45=18", "612/18=34" ]
Current State: 34:[51, 12, 63, 45], Operations: [] Exploring Operation: 51*12=612, Resulting Numbers: [63, 45, 612] Generated Node #2: [63, 45, 612] from Operation: 51*12=612 Current State: 34:[63, 45, 612], Operations: ['51*12=612'] Exploring Operation: 63-45=18, Resulting Numbers: [612, 18] Generated Node #3: [612, 18] from Operation: 63-45=18 Current State: 34:[612, 18], Operations: ['51*12=612', '63-45=18'] Exploring Operation: 612/18=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[51, 12, 63, 45], Operations: [] Exploring Operation: 51-45=6, Resulting Numbers: [12, 63, 6] Generated Node #0,0: 34:[12, 63, 6] Operation: 51-45=6 Exploring Operation: 51-12=39, Resulting Numbers: [63, 45, 39] Generated Node #0,1: 34:[63, 45, 39] Operation: 51-12=39 Exploring Operation: 63-45=18, Resulting Numbers: [51, 12, 18] Generated Node #0,2: 34:[51, 12, 18] Operation: 63-45=18 Exploring Operation: 63-51=12, Resulting Numbers: [12, 45, 12] Generated Node #0,3: 34:[12, 45, 12] Operation: 63-51=12 Moving to Node #0,3 Current State: 34:[12, 45, 12], Operations: ['63-51=12'] Exploring Operation: 45-12=33, Resulting Numbers: [12, 33] Generated Node #0,3,0: 34:[12, 33] Operation: 45-12=33 Exploring Operation: 12/12=1, Resulting Numbers: [45, 1] Generated Node #0,3,1: 34:[45, 1] Operation: 12/12=1 Exploring Operation: 12-12=0, Resulting Numbers: [45, 0] Generated Node #0,3,2: 34:[45, 0] Operation: 12-12=0 Exploring Operation: 45-12=33, Resulting Numbers: [12, 33] Generated Node #0,3,3: 34:[12, 33] Operation: 45-12=33 Moving to Node #0,2 Current State: 34:[51, 12, 18], Operations: ['63-45=18'] Exploring Operation: 18-12=6, Resulting Numbers: [51, 6] Generated Node #0,2,0: 34:[51, 6] Operation: 18-12=6 Exploring Operation: 51-18=33, Resulting Numbers: [12, 33] Generated Node #0,2,1: 34:[12, 33] Operation: 51-18=33 Exploring Operation: 12+18=30, Resulting Numbers: [51, 30] Generated Node #0,2,2: 34:[51, 30] Operation: 12+18=30 Exploring Operation: 51-12=39, Resulting Numbers: [18, 39] Generated Node #0,2,3: 34:[18, 39] Operation: 51-12=39 Moving to Node #0,0 Current State: 34:[12, 63, 6], Operations: ['51-45=6'] Exploring Operation: 12+6=18, Resulting Numbers: [63, 18] Generated Node #0,0,0: 34:[63, 18] Operation: 12+6=18 Exploring Operation: 12/6=2, Resulting Numbers: [63, 2] Generated Node #0,0,1: 34:[63, 2] Operation: 12/6=2 Exploring Operation: 63-6=57, Resulting Numbers: [12, 57] Generated Node #0,0,2: 34:[12, 57] Operation: 63-6=57 Exploring Operation: 63-12=51, Resulting Numbers: [6, 51] Generated Node #0,0,3: 34:[6, 51] Operation: 63-12=51 Moving to Node #0,1 Current State: 34:[63, 45, 39], Operations: ['51-12=39'] Exploring Operation: 45-39=6, Resulting Numbers: [63, 6] Generated Node #0,1,0: 34:[63, 6] Operation: 45-39=6 Exploring Operation: 63+45=108, Resulting Numbers: [39, 108] Generated Node #0,1,1: 34:[39, 108] Operation: 63+45=108 Exploring Operation: 63-45=18, Resulting Numbers: [39, 18] Generated Node #0,1,2: 34:[39, 18] Operation: 63-45=18 Exploring Operation: 63-39=24, Resulting Numbers: [45, 24] Generated Node #0,1,3: 34:[45, 24] Operation: 63-39=24 Moving to Node #0,3,0 Current State: 34:[12, 33], Operations: ['63-51=12', '45-12=33'] Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,34 unequal: No Solution Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[18, 39], Operations: ['63-45=18', '51-12=39'] Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,34 unequal: No Solution Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[39, 18], Operations: ['51-12=39', '63-45=18'] Exploring Operation: 39*18=702, Resulting Numbers: [702] 702,34 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 39+18=57, Resulting Numbers: [57] 57,34 unequal: No Solution Moving to Node #0,3,3 Current State: 34:[12, 33], Operations: ['63-51=12', '45-12=33'] Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,34 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[12, 33], Operations: ['63-45=18', '51-18=33'] Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,34 unequal: No Solution Moving to Node #0,3,1 Current State: 34:[45, 1], Operations: ['63-51=12', '12/12=1'] Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,34 unequal: No Solution Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,34 unequal: No Solution Moving to Node #0,3,2 Current State: 34:[45, 0], Operations: ['63-51=12', '12-12=0'] Exploring Operation: 45*0=0, Resulting Numbers: [0] 0,34 unequal: No Solution Exploring Operation: 45-0=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 45+0=45, Resulting Numbers: [45] 45,34 unequal: No Solution Moving to Node #0,1,3 Current State: 34:[45, 24], Operations: ['51-12=39', '63-39=24'] Exploring Operation: 45+24=69, Resulting Numbers: [69] 69,34 unequal: No Solution Exploring Operation: 45*24=1080, Resulting Numbers: [1080] 1080,34 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[51, 6], Operations: ['63-45=18', '18-12=6'] Exploring Operation: 51+6=57, Resulting Numbers: [57] 57,34 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 51*6=306, Resulting Numbers: [306] 306,34 unequal: No Solution Moving to Node #0,0,3 Current State: 34:[6, 51], Operations: ['51-45=6', '63-12=51'] Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,34 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[51, 30], Operations: ['63-45=18', '12+18=30'] Exploring Operation: 51*30=1530, Resulting Numbers: [1530] 1530,34 unequal: No Solution Exploring Operation: 51+30=81, Resulting Numbers: [81] 81,34 unequal: No Solution Exploring Operation: 51-30=21, Resulting Numbers: [21] 21,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[12, 57], Operations: ['51-45=6', '63-6=57'] Exploring Operation: 12+57=69, Resulting Numbers: [69] 69,34 unequal: No Solution Exploring Operation: 12*57=684, Resulting Numbers: [684] 684,34 unequal: No Solution Exploring Operation: 57-12=45, Resulting Numbers: [45] 45,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[63, 2], Operations: ['51-45=6', '12/6=2'] Exploring Operation: 63*2=126, Resulting Numbers: [126] 126,34 unequal: No Solution Exploring Operation: 63+2=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[63, 18], Operations: ['51-45=6', '12+6=18'] Exploring Operation: 63+18=81, Resulting Numbers: [81] 81,34 unequal: No Solution Exploring Operation: 63*18=1134, Resulting Numbers: [1134] 1134,34 unequal: No Solution Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[63, 6], Operations: ['51-12=39', '45-39=6'] Exploring Operation: 63+6=69, Resulting Numbers: [69] 69,34 unequal: No Solution Exploring Operation: 63*6=378, Resulting Numbers: [378] 378,34 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[39, 108], Operations: ['51-12=39', '63+45=108'] Exploring Operation: 39+108=147, Resulting Numbers: [147] 147,34 unequal: No Solution Exploring Operation: 39*108=4212, Resulting Numbers: [4212] 4212,34 unequal: No Solution Exploring Operation: 108-39=69, Resulting Numbers: [69] 69,34 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 16, 37, 79, 65 ]
39
[ "16+37=53", "79-65=14", "53-14=39" ]
Current State: 39:[16, 37, 79, 65], Operations: [] Exploring Operation: 16+37=53, Resulting Numbers: [79, 65, 53] Generated Node #2: [79, 65, 53] from Operation: 16+37=53 Current State: 39:[79, 65, 53], Operations: ['16+37=53'] Exploring Operation: 79-65=14, Resulting Numbers: [53, 14] Generated Node #3: [53, 14] from Operation: 79-65=14 Current State: 39:[53, 14], Operations: ['16+37=53', '79-65=14'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[16, 37, 79, 65], Operations: [] Exploring Operation: 65-16=49, Resulting Numbers: [37, 79, 49] Generated Node #0,0: 39:[37, 79, 49] Operation: 65-16=49 Exploring Operation: 79-65=14, Resulting Numbers: [16, 37, 14] Generated Node #0,1: 39:[16, 37, 14] Operation: 79-65=14 Exploring Operation: 65-37=28, Resulting Numbers: [16, 79, 28] Generated Node #0,2: 39:[16, 79, 28] Operation: 65-37=28 Exploring Operation: 79-16=63, Resulting Numbers: [37, 65, 63] Generated Node #0,3: 39:[37, 65, 63] Operation: 79-16=63 Exploring Operation: 79-37=42, Resulting Numbers: [16, 65, 42] Generated Node #0,4: 39:[16, 65, 42] Operation: 79-37=42 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[16, 37, 14], Operations: ['79-65=14'] Exploring Operation: 37-16=21, Resulting Numbers: [14, 21] Generated Node #0,1,0: 39:[14, 21] Operation: 37-16=21 Exploring Operation: 16+37=53, Resulting Numbers: [14, 53] Generated Node #0,1,1: 39:[14, 53] Operation: 16+37=53 Exploring Operation: 37-14=23, Resulting Numbers: [16, 23] Generated Node #0,1,2: 39:[16, 23] Operation: 37-14=23 Exploring Operation: 16-14=2, Resulting Numbers: [37, 2] Generated Node #0,1,3: 39:[37, 2] Operation: 16-14=2 Exploring Operation: 16+14=30, Resulting Numbers: [37, 30] Generated Node #0,1,4: 39:[37, 30] Operation: 16+14=30 Moving to Node #0,1,3 Current State: 39:[37, 2], Operations: ['79-65=14', '16-14=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,39 unequal: No Solution Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,39 unequal: No Solution Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[16, 37, 79, 65], Operations: [] Exploring Operation: 79-65=14, Resulting Numbers: [16, 37, 14] Generated Node #0,1: 39:[16, 37, 14] Operation: 79-65=14 Moving to Node #0,1 Current State: 39:[16, 37, 14], Operations: ['79-65=14'] Exploring Operation: 16-14=2, Resulting Numbers: [37, 2] Generated Node #0,1,3: 39:[37, 2] Operation: 16-14=2 Moving to Node #0,1,3 Current State: 39:[37, 2], Operations: ['79-65=14', '16-14=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 81, 13, 50, 28 ]
36
[ "81*28=2268", "13+50=63", "2268/63=36" ]
Current State: 36:[81, 13, 50, 28], Operations: [] Exploring Operation: 81*28=2268, Resulting Numbers: [13, 50, 2268] Generated Node #2: [13, 50, 2268] from Operation: 81*28=2268 Current State: 36:[13, 50, 2268], Operations: ['81*28=2268'] Exploring Operation: 13+50=63, Resulting Numbers: [2268, 63] Generated Node #3: [2268, 63] from Operation: 13+50=63 Current State: 36:[2268, 63], Operations: ['81*28=2268', '13+50=63'] Exploring Operation: 2268/63=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[81, 13, 50, 28], Operations: [] Exploring Operation: 81-28=53, Resulting Numbers: [13, 50, 53] Generated Node #0,0: 36:[13, 50, 53] Operation: 81-28=53 Exploring Operation: 81-50=31, Resulting Numbers: [13, 28, 31] Generated Node #0,1: 36:[13, 28, 31] Operation: 81-50=31 Exploring Operation: 50-28=22, Resulting Numbers: [81, 13, 22] Generated Node #0,2: 36:[81, 13, 22] Operation: 50-28=22 Exploring Operation: 81-13=68, Resulting Numbers: [50, 28, 68] Generated Node #0,3: 36:[50, 28, 68] Operation: 81-13=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[13, 28, 31], Operations: ['81-50=31'] Exploring Operation: 13+28=41, Resulting Numbers: [31, 41] Generated Node #0,1,0: 36:[31, 41] Operation: 13+28=41 Exploring Operation: 31-28=3, Resulting Numbers: [13, 3] Generated Node #0,1,1: 36:[13, 3] Operation: 31-28=3 Exploring Operation: 28-13=15, Resulting Numbers: [31, 15] Generated Node #0,1,2: 36:[31, 15] Operation: 28-13=15 Exploring Operation: 31-13=18, Resulting Numbers: [28, 18] Generated Node #0,1,3: 36:[28, 18] Operation: 31-13=18 Moving to Node #0,1,1 Current State: 36:[13, 3], Operations: ['81-50=31', '31-28=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,36 unequal: No Solution Moving to Node #0,1,3 Current State: 36:[28, 18], Operations: ['81-50=31', '31-13=18'] Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,36 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[31, 15], Operations: ['81-50=31', '28-13=15'] Exploring Operation: 31*15=465, Resulting Numbers: [465] 465,36 unequal: No Solution Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[31, 41], Operations: ['81-50=31', '13+28=41'] Exploring Operation: 31+41=72, Resulting Numbers: [72] 72,36 unequal: No Solution Exploring Operation: 31*41=1271, Resulting Numbers: [1271] 1271,36 unequal: No Solution Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[13, 50, 53], Operations: ['81-28=53'] Exploring Operation: 53-13=40, Resulting Numbers: [50, 40] Generated Node #0,0,0: 36:[50, 40] Operation: 53-13=40 Exploring Operation: 13+50=63, Resulting Numbers: [53, 63] Generated Node #0,0,1: 36:[53, 63] Operation: 13+50=63 Exploring Operation: 50-13=37, Resulting Numbers: [53, 37] Generated Node #0,0,2: 36:[53, 37] Operation: 50-13=37 Exploring Operation: 53-50=3, Resulting Numbers: [13, 3] Generated Node #0,0,3: 36:[13, 3] Operation: 53-50=3 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 36:[13, 3], Operations: ['81-28=53', '53-50=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,36 unequal: No Solution Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[50, 40], Operations: ['81-28=53', '53-13=40'] Exploring Operation: 50-40=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 50*40=2000, Resulting Numbers: [2000] 2000,36 unequal: No Solution Exploring Operation: 50+40=90, Resulting Numbers: [90] 90,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 36:[53, 37], Operations: ['81-28=53', '50-13=37'] Exploring Operation: 53*37=1961, Resulting Numbers: [1961] 1961,36 unequal: No Solution Exploring Operation: 53+37=90, Resulting Numbers: [90] 90,36 unequal: No Solution Exploring Operation: 53-37=16, Resulting Numbers: [16] 16,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 36:[53, 63], Operations: ['81-28=53', '13+50=63'] Exploring Operation: 53*63=3339, Resulting Numbers: [3339] 3339,36 unequal: No Solution Exploring Operation: 63-53=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 53+63=116, Resulting Numbers: [116] 116,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[81, 13, 22], Operations: ['50-28=22'] Exploring Operation: 13+22=35, Resulting Numbers: [81, 35] Generated Node #0,2,0: 36:[81, 35] Operation: 13+22=35 Exploring Operation: 81-13=68, Resulting Numbers: [22, 68] Generated Node #0,2,1: 36:[22, 68] Operation: 81-13=68 Exploring Operation: 22-13=9, Resulting Numbers: [81, 9] Generated Node #0,2,2: 36:[81, 9] Operation: 22-13=9 Exploring Operation: 81-22=59, Resulting Numbers: [13, 59] Generated Node #0,2,3: 36:[13, 59] Operation: 81-22=59 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 36:[13, 59], Operations: ['50-28=22', '81-22=59'] Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 13+59=72, Resulting Numbers: [72] 72,36 unequal: No Solution Exploring Operation: 13*59=767, Resulting Numbers: [767] 767,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 36:[22, 68], Operations: ['50-28=22', '81-13=68'] Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 22*68=1496, Resulting Numbers: [1496] 1496,36 unequal: No Solution Exploring Operation: 22+68=90, Resulting Numbers: [90] 90,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 36:[81, 9], Operations: ['50-28=22', '22-13=9'] Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,36 unequal: No Solution Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 81+9=90, Resulting Numbers: [90] 90,36 unequal: No Solution Exploring Operation: 81*9=729, Resulting Numbers: [729] 729,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 36:[81, 35], Operations: ['50-28=22', '13+22=35'] Exploring Operation: 81+35=116, Resulting Numbers: [116] 116,36 unequal: No Solution Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 81*35=2835, Resulting Numbers: [2835] 2835,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 36:[50, 28, 68], Operations: ['81-13=68'] Exploring Operation: 68-28=40, Resulting Numbers: [50, 40] Generated Node #0,3,0: 36:[50, 40] Operation: 68-28=40 Exploring Operation: 50-28=22, Resulting Numbers: [68, 22] Generated Node #0,3,1: 36:[68, 22] Operation: 50-28=22 Exploring Operation: 50+28=78, Resulting Numbers: [68, 78] Generated Node #0,3,2: 36:[68, 78] Operation: 50+28=78 Exploring Operation: 68-50=18, Resulting Numbers: [28, 18] Generated Node #0,3,3: 36:[28, 18] Operation: 68-50=18 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 36:[28, 18], Operations: ['81-13=68', '68-50=18'] Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,36 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 36:[50, 40], Operations: ['81-13=68', '68-28=40'] Exploring Operation: 50*40=2000, Resulting Numbers: [2000] 2000,36 unequal: No Solution Exploring Operation: 50+40=90, Resulting Numbers: [90] 90,36 unequal: No Solution Exploring Operation: 50-40=10, Resulting Numbers: [10] 10,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 36:[68, 22], Operations: ['81-13=68', '50-28=22'] Exploring Operation: 68+22=90, Resulting Numbers: [90] 90,36 unequal: No Solution Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 68*22=1496, Resulting Numbers: [1496] 1496,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 36:[68, 78], Operations: ['81-13=68', '50+28=78'] Exploring Operation: 68*78=5304, Resulting Numbers: [5304] 5304,36 unequal: No Solution Exploring Operation: 78-68=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 68+78=146, Resulting Numbers: [146] 146,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 24, 86, 2, 24 ]
67
[ "24+86=110", "24+110=134", "134/2=67" ]
Current State: 67:[24, 86, 2, 24], Operations: [] Exploring Operation: 24+86=110, Resulting Numbers: [2, 110] Generated Node #2: [2, 110] from Operation: 24+86=110 Current State: 67:[2, 110], Operations: ['24+86=110'] Exploring Operation: 24+110=134, Resulting Numbers: [2, 134] Generated Node #3: [2, 134] from Operation: 24+110=134 Current State: 67:[2, 134], Operations: ['24+86=110', '24+110=134'] Exploring Operation: 134/2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[24, 86, 2, 24], Operations: [] Exploring Operation: 24*2=48, Resulting Numbers: [86, 24, 48] Generated Node #0,0: 67:[86, 24, 48] Operation: 24*2=48 Exploring Operation: 2*24=48, Resulting Numbers: [24, 86, 48] Generated Node #0,1: 67:[24, 86, 48] Operation: 2*24=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[86, 24, 48], Operations: ['24*2=48'] Exploring Operation: 24+48=72, Resulting Numbers: [86, 72] Generated Node #0,0,0: 67:[86, 72] Operation: 24+48=72 Exploring Operation: 86-24=62, Resulting Numbers: [48, 62] Generated Node #0,0,1: 67:[48, 62] Operation: 86-24=62 Moving to Node #0,0,0 Current State: 67:[86, 72], Operations: ['24*2=48', '24+48=72'] Exploring Operation: 86+72=158, Resulting Numbers: [158] 158,67 unequal: No Solution Exploring Operation: 86-72=14, Resulting Numbers: [14] 14,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[48, 62], Operations: ['24*2=48', '86-24=62'] Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 48+62=110, Resulting Numbers: [110] 110,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[24, 86, 48], Operations: ['2*24=48'] Exploring Operation: 86-24=62, Resulting Numbers: [48, 62] Generated Node #0,1,0: 67:[48, 62] Operation: 86-24=62 Exploring Operation: 24+48=72, Resulting Numbers: [86, 72] Generated Node #0,1,1: 67:[86, 72] Operation: 24+48=72 Moving to Node #0,1,0 Current State: 67:[48, 62], Operations: ['2*24=48', '86-24=62'] Exploring Operation: 48+62=110, Resulting Numbers: [110] 110,67 unequal: No Solution Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[86, 72], Operations: ['2*24=48', '24+48=72'] Exploring Operation: 86-72=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 86+72=158, Resulting Numbers: [158] 158,67 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
[ 16, 65, 55, 44 ]
92
[ "16+65=81", "55-44=11", "81+11=92" ]
Current State: 92:[16, 65, 55, 44], Operations: [] Exploring Operation: 16+65=81, Resulting Numbers: [55, 44, 81] Generated Node #2: [55, 44, 81] from Operation: 16+65=81 Current State: 92:[55, 44, 81], Operations: ['16+65=81'] Exploring Operation: 55-44=11, Resulting Numbers: [81, 11] Generated Node #3: [81, 11] from Operation: 55-44=11 Current State: 92:[81, 11], Operations: ['16+65=81', '55-44=11'] Exploring Operation: 81+11=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[16, 65, 55, 44], Operations: [] Exploring Operation: 65-16=49, Resulting Numbers: [55, 44, 49] Generated Node #0,0: 92:[55, 44, 49] Operation: 65-16=49 Moving to Node #0,0 Current State: 92:[55, 44, 49], Operations: ['65-16=49'] Exploring Operation: 55-49=6, Resulting Numbers: [44, 6] Generated Node #0,0,0: 92:[44, 6] Operation: 55-49=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[44, 6], Operations: ['65-16=49', '55-49=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,92 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
[ 8, 28, 70, 42 ]
14
[ "8*70=560", "28+560=588", "588/42=14" ]
Current State: 14:[8, 28, 70, 42], Operations: [] Exploring Operation: 8*70=560, Resulting Numbers: [28, 42, 560] Generated Node #2: [28, 42, 560] from Operation: 8*70=560 Current State: 14:[28, 42, 560], Operations: ['8*70=560'] Exploring Operation: 28+560=588, Resulting Numbers: [42, 588] Generated Node #3: [42, 588] from Operation: 28+560=588 Current State: 14:[42, 588], Operations: ['8*70=560', '28+560=588'] Exploring Operation: 588/42=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[8, 28, 70, 42], Operations: [] Exploring Operation: 70-42=28, Resulting Numbers: [8, 28, 28] Generated Node #0,0: 14:[8, 28, 28] Operation: 70-42=28 Moving to Node #0,0 Current State: 14:[8, 28, 28], Operations: ['70-42=28'] Exploring Operation: 28/28=1, Resulting Numbers: [8, 1] Generated Node #0,0,0: 14:[8, 1] Operation: 28/28=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[8, 1], Operations: ['70-42=28', '28/28=1'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,14 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
[ 40, 16, 86, 36 ]
74
[ "40-16=24", "86-36=50", "24+50=74" ]
Current State: 74:[40, 16, 86, 36], Operations: [] Exploring Operation: 40-16=24, Resulting Numbers: [86, 36, 24] Generated Node #2: [86, 36, 24] from Operation: 40-16=24 Current State: 74:[86, 36, 24], Operations: ['40-16=24'] Exploring Operation: 86-36=50, Resulting Numbers: [24, 50] Generated Node #3: [24, 50] from Operation: 86-36=50 Current State: 74:[24, 50], Operations: ['40-16=24', '86-36=50'] Exploring Operation: 24+50=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[40, 16, 86, 36], Operations: [] Exploring Operation: 86-16=70, Resulting Numbers: [40, 36, 70] Generated Node #0,0: 74:[40, 36, 70] Operation: 86-16=70 Exploring Operation: 86-40=46, Resulting Numbers: [16, 36, 46] Generated Node #0,1: 74:[16, 36, 46] Operation: 86-40=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[40, 36, 70], Operations: ['86-16=70'] Exploring Operation: 40-36=4, Resulting Numbers: [70, 4] Generated Node #0,0,0: 74:[70, 4] Operation: 40-36=4 Exploring Operation: 40+36=76, Resulting Numbers: [70, 76] Generated Node #0,0,1: 74:[70, 76] Operation: 40+36=76 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[70, 4], Operations: ['86-16=70', '40-36=4'] Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[40, 16, 86, 36], Operations: [] Exploring Operation: 86-16=70, Resulting Numbers: [40, 36, 70] Generated Node #0,0: 74:[40, 36, 70] Operation: 86-16=70 Moving to Node #0,0 Current State: 74:[40, 36, 70], Operations: ['86-16=70'] Exploring Operation: 40-36=4, Resulting Numbers: [70, 4] Generated Node #0,0,0: 74:[70, 4] Operation: 40-36=4 Moving to Node #0,0,0 Current State: 74:[70, 4], Operations: ['86-16=70', '40-36=4'] Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 37, 2, 9, 76 ]
57
[ "76-37=39", "2*9=18", "39+18=57" ]
Current State: 57:[37, 2, 9, 76], Operations: [] Exploring Operation: 76-37=39, Resulting Numbers: [2, 9, 39] Generated Node #2: [2, 9, 39] from Operation: 76-37=39 Current State: 57:[2, 9, 39], Operations: ['76-37=39'] Exploring Operation: 2*9=18, Resulting Numbers: [39, 18] Generated Node #3: [39, 18] from Operation: 2*9=18 Current State: 57:[39, 18], Operations: ['76-37=39', '2*9=18'] Exploring Operation: 39+18=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[37, 2, 9, 76], Operations: [] Exploring Operation: 37-9=28, Resulting Numbers: [2, 76, 28] Generated Node #0,0: 57:[2, 76, 28] Operation: 37-9=28 Exploring Operation: 76-37=39, Resulting Numbers: [2, 9, 39] Generated Node #0,1: 57:[2, 9, 39] Operation: 76-37=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[2, 9, 39], Operations: ['76-37=39'] Exploring Operation: 39-9=30, Resulting Numbers: [2, 30] Generated Node #0,1,0: 57:[2, 30] Operation: 39-9=30 Exploring Operation: 9+39=48, Resulting Numbers: [2, 48] Generated Node #0,1,1: 57:[2, 48] Operation: 9+39=48 Moving to Node #0,1,1 Current State: 57:[2, 48], Operations: ['76-37=39', '9+39=48'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,57 unequal: No Solution Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[2, 30], Operations: ['76-37=39', '39-9=30'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,57 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:[2, 76, 28], Operations: ['37-9=28'] Exploring Operation: 2*28=56, Resulting Numbers: [76, 56] Generated Node #0,0,0: 57:[76, 56] Operation: 2*28=56 Exploring Operation: 76-28=48, Resulting Numbers: [2, 48] Generated Node #0,0,1: 57:[2, 48] Operation: 76-28=48 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[2, 48], Operations: ['37-9=28', '76-28=48'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,57 unequal: No Solution Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,57 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:[76, 56], Operations: ['37-9=28', '2*28=56'] Exploring Operation: 76+56=132, Resulting Numbers: [132] 132,57 unequal: No Solution Exploring Operation: 76-56=20, Resulting Numbers: [20] 20,57 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_2
sum_heuristic
[ 98, 77, 59, 84 ]
46
[ "98-77=21", "84-59=25", "21+25=46" ]
Current State: 46:[98, 77, 59, 84], Operations: [] Exploring Operation: 98-77=21, Resulting Numbers: [59, 84, 21] Generated Node #2: [59, 84, 21] from Operation: 98-77=21 Current State: 46:[59, 84, 21], Operations: ['98-77=21'] Exploring Operation: 84-59=25, Resulting Numbers: [21, 25] Generated Node #3: [21, 25] from Operation: 84-59=25 Current State: 46:[21, 25], Operations: ['98-77=21', '84-59=25'] Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[98, 77, 59, 84], Operations: [] Exploring Operation: 98-59=39, Resulting Numbers: [77, 84, 39] Generated Node #0,0: 46:[77, 84, 39] Operation: 98-59=39 Exploring Operation: 84-77=7, Resulting Numbers: [98, 59, 7] Generated Node #0,1: 46:[98, 59, 7] Operation: 84-77=7 Exploring Operation: 84-59=25, Resulting Numbers: [98, 77, 25] Generated Node #0,2: 46:[98, 77, 25] Operation: 84-59=25 Exploring Operation: 98-77=21, Resulting Numbers: [59, 84, 21] Generated Node #0,3: 46:[59, 84, 21] Operation: 98-77=21 Exploring Operation: 98-84=14, Resulting Numbers: [77, 59, 14] Generated Node #0,4: 46:[77, 59, 14] Operation: 98-84=14 Moving to Node #0,3 Current State: 46:[59, 84, 21], Operations: ['98-77=21'] Exploring Operation: 84/21=4, Resulting Numbers: [59, 4] Generated Node #0,3,0: 46:[59, 4] Operation: 84/21=4 Exploring Operation: 59+21=80, Resulting Numbers: [84, 80] Generated Node #0,3,1: 46:[84, 80] Operation: 59+21=80 Exploring Operation: 59-21=38, Resulting Numbers: [84, 38] Generated Node #0,3,2: 46:[84, 38] Operation: 59-21=38 Exploring Operation: 84-21=63, Resulting Numbers: [59, 63] Generated Node #0,3,3: 46:[59, 63] Operation: 84-21=63 Exploring Operation: 84-59=25, Resulting Numbers: [21, 25] Generated Node #0,3,4: 46:[21, 25] Operation: 84-59=25 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 46:[21, 25], Operations: ['98-77=21', '84-59=25'] Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[98, 77, 59, 84], Operations: [] Exploring Operation: 98-77=21, Resulting Numbers: [59, 84, 21] Generated Node #0,3: 46:[59, 84, 21] Operation: 98-77=21 Moving to Node #0,3 Current State: 46:[59, 84, 21], Operations: ['98-77=21'] Exploring Operation: 84-59=25, Resulting Numbers: [21, 25] Generated Node #0,3,4: 46:[21, 25] Operation: 84-59=25 Moving to Node #0,3,4 Current State: 46:[21, 25], Operations: ['98-77=21', '84-59=25'] Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 94, 53, 67, 42 ]
67
[ "94-53=41", "42-41=1", "67*1=67" ]
Current State: 67:[94, 53, 67, 42], Operations: [] Exploring Operation: 94-53=41, Resulting Numbers: [67, 42, 41] Generated Node #2: [67, 42, 41] from Operation: 94-53=41 Current State: 67:[67, 42, 41], Operations: ['94-53=41'] Exploring Operation: 42-41=1, Resulting Numbers: [67, 1] Generated Node #3: [67, 1] from Operation: 42-41=1 Current State: 67:[67, 1], Operations: ['94-53=41', '42-41=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[94, 53, 67, 42], Operations: [] Exploring Operation: 94-53=41, Resulting Numbers: [67, 42, 41] Generated Node #0,0: 67:[67, 42, 41] Operation: 94-53=41 Exploring Operation: 94-42=52, Resulting Numbers: [53, 67, 52] Generated Node #0,1: 67:[53, 67, 52] Operation: 94-42=52 Exploring Operation: 94-67=27, Resulting Numbers: [53, 42, 27] Generated Node #0,2: 67:[53, 42, 27] Operation: 94-67=27 Exploring Operation: 53+42=95, Resulting Numbers: [94, 67, 95] Generated Node #0,3: 67:[94, 67, 95] Operation: 53+42=95 Moving to Node #0,1 Current State: 67:[53, 67, 52], Operations: ['94-42=52'] Exploring Operation: 53-52=1, Resulting Numbers: [67, 1] Generated Node #0,1,0: 67:[67, 1] Operation: 53-52=1 Exploring Operation: 67+52=119, Resulting Numbers: [53, 119] Generated Node #0,1,1: 67:[53, 119] Operation: 67+52=119 Exploring Operation: 67-52=15, Resulting Numbers: [53, 15] Generated Node #0,1,2: 67:[53, 15] Operation: 67-52=15 Exploring Operation: 53+52=105, Resulting Numbers: [67, 105] Generated Node #0,1,3: 67:[67, 105] Operation: 53+52=105 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 67:[67, 105], Operations: ['94-42=52', '53+52=105'] Exploring Operation: 67+105=172, Resulting Numbers: [172] 172,67 unequal: No Solution Exploring Operation: 67*105=7035, Resulting Numbers: [7035] 7035,67 unequal: No Solution Exploring Operation: 105-67=38, Resulting Numbers: [38] 38,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[67, 1], Operations: ['94-42=52', '53-52=1'] Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[94, 53, 67, 42], Operations: [] Exploring Operation: 94-42=52, Resulting Numbers: [53, 67, 52] Generated Node #0,1: 67:[53, 67, 52] Operation: 94-42=52 Moving to Node #0,1 Current State: 67:[53, 67, 52], Operations: ['94-42=52'] Exploring Operation: 53-52=1, Resulting Numbers: [67, 1] Generated Node #0,1,0: 67:[67, 1] Operation: 53-52=1 Moving to Node #0,1,0 Current State: 67:[67, 1], Operations: ['94-42=52', '53-52=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 33, 16, 6, 87 ]
98
[ "33-16=17", "87-6=81", "17+81=98" ]
Current State: 98:[33, 16, 6, 87], Operations: [] Exploring Operation: 33-16=17, Resulting Numbers: [6, 87, 17] Generated Node #2: [6, 87, 17] from Operation: 33-16=17 Current State: 98:[6, 87, 17], Operations: ['33-16=17'] Exploring Operation: 87-6=81, Resulting Numbers: [17, 81] Generated Node #3: [17, 81] from Operation: 87-6=81 Current State: 98:[17, 81], Operations: ['33-16=17', '87-6=81'] Exploring Operation: 17+81=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[33, 16, 6, 87], Operations: [] Exploring Operation: 33+16=49, Resulting Numbers: [6, 87, 49] Generated Node #0,0: 98:[6, 87, 49] Operation: 33+16=49 Exploring Operation: 87-33=54, Resulting Numbers: [16, 6, 54] Generated Node #0,1: 98:[16, 6, 54] Operation: 87-33=54 Moving to Node #0,1 Current State: 98:[16, 6, 54], Operations: ['87-33=54'] Exploring Operation: 54-6=48, Resulting Numbers: [16, 48] Generated Node #0,1,0: 98:[16, 48] Operation: 54-6=48 Exploring Operation: 54/6=9, Resulting Numbers: [16, 9] Generated Node #0,1,1: 98:[16, 9] Operation: 54/6=9 Moving to Node #0,0 Current State: 98:[6, 87, 49], Operations: ['33+16=49'] Exploring Operation: 87-49=38, Resulting Numbers: [6, 38] Generated Node #0,0,0: 98:[6, 38] Operation: 87-49=38 Exploring Operation: 6+87=93, Resulting Numbers: [49, 93] Generated Node #0,0,1: 98:[49, 93] Operation: 6+87=93 Moving to Node #0,1,0 Current State: 98:[16, 48], Operations: ['87-33=54', '54-6=48'] Exploring Operation: 16+48=64, Resulting Numbers: [64] 64,98 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[16, 9], Operations: ['87-33=54', '54/6=9'] Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,98 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[49, 93], Operations: ['33+16=49', '6+87=93'] Exploring Operation: 93-49=44, Resulting Numbers: [44] 44,98 unequal: No Solution Exploring Operation: 49+93=142, Resulting Numbers: [142] 142,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[6, 38], Operations: ['33+16=49', '87-49=38'] Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 6+38=44, Resulting Numbers: [44] 44,98 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 90, 96, 19, 92 ]
14
[ "96-92=4", "19*4=76", "90-76=14" ]
Current State: 14:[90, 96, 19, 92], Operations: [] Exploring Operation: 96-92=4, Resulting Numbers: [90, 19, 4] Generated Node #2: [90, 19, 4] from Operation: 96-92=4 Current State: 14:[90, 19, 4], Operations: ['96-92=4'] Exploring Operation: 19*4=76, Resulting Numbers: [90, 76] Generated Node #3: [90, 76] from Operation: 19*4=76 Current State: 14:[90, 76], Operations: ['96-92=4', '19*4=76'] Exploring Operation: 90-76=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[90, 96, 19, 92], Operations: [] Exploring Operation: 96-90=6, Resulting Numbers: [19, 92, 6] Generated Node #0,0: 14:[19, 92, 6] Operation: 96-90=6 Exploring Operation: 96-92=4, Resulting Numbers: [90, 19, 4] Generated Node #0,1: 14:[90, 19, 4] Operation: 96-92=4 Exploring Operation: 92-90=2, Resulting Numbers: [96, 19, 2] Generated Node #0,2: 14:[96, 19, 2] Operation: 92-90=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[90, 19, 4], Operations: ['96-92=4'] Exploring Operation: 90-19=71, Resulting Numbers: [4, 71] Generated Node #0,1,0: 14:[4, 71] Operation: 90-19=71 Exploring Operation: 19-4=15, Resulting Numbers: [90, 15] Generated Node #0,1,1: 14:[90, 15] Operation: 19-4=15 Exploring Operation: 90-4=86, Resulting Numbers: [19, 86] Generated Node #0,1,2: 14:[19, 86] Operation: 90-4=86 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 14:[4, 71], Operations: ['96-92=4', '90-19=71'] Exploring Operation: 4*71=284, Resulting Numbers: [284] 284,14 unequal: No Solution Exploring Operation: 4+71=75, Resulting Numbers: [75] 75,14 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 14:[90, 15], Operations: ['96-92=4', '19-4=15'] Exploring Operation: 90+15=105, Resulting Numbers: [105] 105,14 unequal: No Solution Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 14:[19, 86], Operations: ['96-92=4', '90-4=86'] Exploring Operation: 86-19=67, Resulting Numbers: [67] 67,14 unequal: No Solution Exploring Operation: 19*86=1634, Resulting Numbers: [1634] 1634,14 unequal: No Solution Exploring Operation: 19+86=105, Resulting Numbers: [105] 105,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[19, 92, 6], Operations: ['96-90=6'] Exploring Operation: 92-6=86, Resulting Numbers: [19, 86] Generated Node #0,0,0: 14:[19, 86] Operation: 92-6=86 Exploring Operation: 19-6=13, Resulting Numbers: [92, 13] Generated Node #0,0,1: 14:[92, 13] Operation: 19-6=13 Exploring Operation: 92-19=73, Resulting Numbers: [6, 73] Generated Node #0,0,2: 14:[6, 73] Operation: 92-19=73 Moving to Node #0,0,2 Current State: 14:[6, 73], Operations: ['96-90=6', '92-19=73'] Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,14 unequal: No Solution Exploring Operation: 6*73=438, Resulting Numbers: [438] 438,14 unequal: No Solution Exploring Operation: 6+73=79, Resulting Numbers: [79] 79,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[19, 86], Operations: ['96-90=6', '92-6=86'] Exploring Operation: 19*86=1634, Resulting Numbers: [1634] 1634,14 unequal: No Solution Exploring Operation: 86-19=67, Resulting Numbers: [67] 67,14 unequal: No Solution Exploring Operation: 19+86=105, Resulting Numbers: [105] 105,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[92, 13], Operations: ['96-90=6', '19-6=13'] Exploring Operation: 92*13=1196, Resulting Numbers: [1196] 1196,14 unequal: No Solution Exploring Operation: 92+13=105, Resulting Numbers: [105] 105,14 unequal: No Solution Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[96, 19, 2], Operations: ['92-90=2'] Exploring Operation: 96-19=77, Resulting Numbers: [2, 77] Generated Node #0,2,0: 14:[2, 77] Operation: 96-19=77 Exploring Operation: 96/2=48, Resulting Numbers: [19, 48] Generated Node #0,2,1: 14:[19, 48] Operation: 96/2=48 Exploring Operation: 96-2=94, Resulting Numbers: [19, 94] Generated Node #0,2,2: 14:[19, 94] Operation: 96-2=94 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 14:[19, 48], Operations: ['92-90=2', '96/2=48'] Exploring Operation: 19*48=912, Resulting Numbers: [912] 912,14 unequal: No Solution Exploring Operation: 19+48=67, Resulting Numbers: [67] 67,14 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 14:[2, 77], Operations: ['92-90=2', '96-19=77'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,14 unequal: No Solution Exploring Operation: 2*77=154, Resulting Numbers: [154] 154,14 unequal: No Solution Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 14:[19, 94], Operations: ['92-90=2', '96-2=94'] Exploring Operation: 19*94=1786, Resulting Numbers: [1786] 1786,14 unequal: No Solution Exploring Operation: 94-19=75, Resulting Numbers: [75] 75,14 unequal: No Solution Exploring Operation: 19+94=113, Resulting Numbers: [113] 113,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 68, 93, 94, 97 ]
29
[ "97-68=29", "94-93=1", "29*1=29" ]
Current State: 29:[68, 93, 94, 97], Operations: [] Exploring Operation: 97-68=29, Resulting Numbers: [93, 94, 29] Generated Node #2: [93, 94, 29] from Operation: 97-68=29 Current State: 29:[93, 94, 29], Operations: ['97-68=29'] Exploring Operation: 94-93=1, Resulting Numbers: [29, 1] Generated Node #3: [29, 1] from Operation: 94-93=1 Current State: 29:[29, 1], Operations: ['97-68=29', '94-93=1'] Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[68, 93, 94, 97], Operations: [] Exploring Operation: 97-94=3, Resulting Numbers: [68, 93, 3] Generated Node #0,0: 29:[68, 93, 3] Operation: 97-94=3 Exploring Operation: 94-68=26, Resulting Numbers: [93, 97, 26] Generated Node #0,1: 29:[93, 97, 26] Operation: 94-68=26 Exploring Operation: 97-68=29, Resulting Numbers: [93, 94, 29] Generated Node #0,2: 29:[93, 94, 29] Operation: 97-68=29 Exploring Operation: 97-93=4, Resulting Numbers: [68, 94, 4] Generated Node #0,3: 29:[68, 94, 4] Operation: 97-93=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[68, 93, 3], Operations: ['97-94=3'] Exploring Operation: 93/3=31, Resulting Numbers: [68, 31] Generated Node #0,0,0: 29:[68, 31] Operation: 93/3=31 Exploring Operation: 68-3=65, Resulting Numbers: [93, 65] Generated Node #0,0,1: 29:[93, 65] Operation: 68-3=65 Exploring Operation: 93-3=90, Resulting Numbers: [68, 90] Generated Node #0,0,2: 29:[68, 90] Operation: 93-3=90 Exploring Operation: 93-68=25, Resulting Numbers: [3, 25] Generated Node #0,0,3: 29:[3, 25] Operation: 93-68=25 Moving to Node #0,0,3 Current State: 29:[3, 25], Operations: ['97-94=3', '93-68=25'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 3*25=75, Resulting Numbers: [75] 75,29 unequal: No Solution Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[68, 31], Operations: ['97-94=3', '93/3=31'] Exploring Operation: 68-31=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 68+31=99, Resulting Numbers: [99] 99,29 unequal: No Solution Exploring Operation: 68*31=2108, Resulting Numbers: [2108] 2108,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[68, 90], Operations: ['97-94=3', '93-3=90'] Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 68+90=158, Resulting Numbers: [158] 158,29 unequal: No Solution Exploring Operation: 68*90=6120, Resulting Numbers: [6120] 6120,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[93, 65], Operations: ['97-94=3', '68-3=65'] Exploring Operation: 93*65=6045, Resulting Numbers: [6045] 6045,29 unequal: No Solution Exploring Operation: 93-65=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 93+65=158, Resulting Numbers: [158] 158,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[93, 94, 29], Operations: ['97-68=29'] Exploring Operation: 94-93=1, Resulting Numbers: [29, 1] Generated Node #0,2,0: 29:[29, 1] Operation: 94-93=1 Exploring Operation: 93-29=64, Resulting Numbers: [94, 64] Generated Node #0,2,1: 29:[94, 64] Operation: 93-29=64 Exploring Operation: 94-29=65, Resulting Numbers: [93, 65] Generated Node #0,2,2: 29:[93, 65] Operation: 94-29=65 Exploring Operation: 93+94=187, Resulting Numbers: [29, 187] Generated Node #0,2,3: 29:[29, 187] Operation: 93+94=187 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 29:[29, 1], Operations: ['97-68=29', '94-93=1'] Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[68, 93, 94, 97], Operations: [] Exploring Operation: 97-68=29, Resulting Numbers: [93, 94, 29] Generated Node #0,2: 29:[93, 94, 29] Operation: 97-68=29 Moving to Node #0,2 Current State: 29:[93, 94, 29], Operations: ['97-68=29'] Exploring Operation: 94-93=1, Resulting Numbers: [29, 1] Generated Node #0,2,0: 29:[29, 1] Operation: 94-93=1 Moving to Node #0,2,0 Current State: 29:[29, 1], Operations: ['97-68=29', '94-93=1'] Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 70, 67, 13, 66 ]
83
[ "70+13=83", "67-66=1", "83*1=83" ]
Current State: 83:[70, 67, 13, 66], Operations: [] Exploring Operation: 70+13=83, Resulting Numbers: [67, 66, 83] Generated Node #2: [67, 66, 83] from Operation: 70+13=83 Current State: 83:[67, 66, 83], Operations: ['70+13=83'] Exploring Operation: 67-66=1, Resulting Numbers: [83, 1] Generated Node #3: [83, 1] from Operation: 67-66=1 Current State: 83:[83, 1], Operations: ['70+13=83', '67-66=1'] Exploring Operation: 83*1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[70, 67, 13, 66], Operations: [] Exploring Operation: 13+66=79, Resulting Numbers: [70, 67, 79] Generated Node #0,0: 83:[70, 67, 79] Operation: 13+66=79 Exploring Operation: 70+13=83, Resulting Numbers: [67, 66, 83] Generated Node #0,1: 83:[67, 66, 83] Operation: 70+13=83 Exploring Operation: 67+13=80, Resulting Numbers: [70, 66, 80] Generated Node #0,2: 83:[70, 66, 80] Operation: 67+13=80 Moving to Node #0,0 Current State: 83:[70, 67, 79], Operations: ['13+66=79'] Exploring Operation: 70+67=137, Resulting Numbers: [79, 137] Generated Node #0,0,0: 83:[79, 137] Operation: 70+67=137 Exploring Operation: 70+79=149, Resulting Numbers: [67, 149] Generated Node #0,0,1: 83:[67, 149] Operation: 70+79=149 Exploring Operation: 67+79=146, Resulting Numbers: [70, 146] Generated Node #0,0,2: 83:[70, 146] Operation: 67+79=146 Moving to Node #0,1 Current State: 83:[67, 66, 83], Operations: ['70+13=83'] Exploring Operation: 67-66=1, Resulting Numbers: [83, 1] Generated Node #0,1,0: 83:[83, 1] Operation: 67-66=1 Exploring Operation: 67+66=133, Resulting Numbers: [83, 133] Generated Node #0,1,1: 83:[83, 133] Operation: 67+66=133 Exploring Operation: 66+83=149, Resulting Numbers: [67, 149] Generated Node #0,1,2: 83:[67, 149] Operation: 66+83=149 Moving to Node #0,2 Current State: 83:[70, 66, 80], Operations: ['67+13=80'] Exploring Operation: 70-66=4, Resulting Numbers: [80, 4] Generated Node #0,2,0: 83:[80, 4] Operation: 70-66=4 Exploring Operation: 66+80=146, Resulting Numbers: [70, 146] Generated Node #0,2,1: 83:[70, 146] Operation: 66+80=146 Exploring Operation: 70+66=136, Resulting Numbers: [80, 136] Generated Node #0,2,2: 83:[80, 136] Operation: 70+66=136 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 83:[80, 136], Operations: ['67+13=80', '70+66=136'] Exploring Operation: 80*136=10880, Resulting Numbers: [10880] 10880,83 unequal: No Solution Exploring Operation: 136-80=56, Resulting Numbers: [56] 56,83 unequal: No Solution Exploring Operation: 80+136=216, Resulting Numbers: [216] 216,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 83:[70, 146], Operations: ['67+13=80', '66+80=146'] Exploring Operation: 70*146=10220, Resulting Numbers: [10220] 10220,83 unequal: No Solution Exploring Operation: 70+146=216, Resulting Numbers: [216] 216,83 unequal: No Solution Exploring Operation: 146-70=76, Resulting Numbers: [76] 76,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 83:[80, 4], Operations: ['67+13=80', '70-66=4'] Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,83 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,83 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: 83:[83, 133], Operations: ['70+13=83', '67+66=133'] Exploring Operation: 133-83=50, Resulting Numbers: [50] 50,83 unequal: No Solution Exploring Operation: 83*133=11039, Resulting Numbers: [11039] 11039,83 unequal: No Solution Exploring Operation: 83+133=216, Resulting Numbers: [216] 216,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[79, 137], Operations: ['13+66=79', '70+67=137'] Exploring Operation: 79*137=10823, Resulting Numbers: [10823] 10823,83 unequal: No Solution Exploring Operation: 137-79=58, Resulting Numbers: [58] 58,83 unequal: No Solution Exploring Operation: 79+137=216, Resulting Numbers: [216] 216,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[70, 146], Operations: ['13+66=79', '67+79=146'] Exploring Operation: 146-70=76, Resulting Numbers: [76] 76,83 unequal: No Solution Exploring Operation: 70*146=10220, Resulting Numbers: [10220] 10220,83 unequal: No Solution Exploring Operation: 70+146=216, Resulting Numbers: [216] 216,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[67, 149], Operations: ['13+66=79', '70+79=149'] Exploring Operation: 149-67=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 67*149=9983, Resulting Numbers: [9983] 9983,83 unequal: No Solution Exploring Operation: 67+149=216, Resulting Numbers: [216] 216,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[67, 149], Operations: ['70+13=83', '66+83=149'] Exploring Operation: 67+149=216, Resulting Numbers: [216] 216,83 unequal: No Solution Exploring Operation: 67*149=9983, Resulting Numbers: [9983] 9983,83 unequal: No Solution Exploring Operation: 149-67=82, Resulting Numbers: [82] 82,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[83, 1], Operations: ['70+13=83', '67-66=1'] Exploring Operation: 83*1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[70, 67, 13, 66], Operations: [] Exploring Operation: 70+13=83, Resulting Numbers: [67, 66, 83] Generated Node #0,1: 83:[67, 66, 83] Operation: 70+13=83 Moving to Node #0,1 Current State: 83:[67, 66, 83], Operations: ['70+13=83'] Exploring Operation: 67-66=1, Resulting Numbers: [83, 1] Generated Node #0,1,0: 83:[83, 1] Operation: 67-66=1 Moving to Node #0,1,0 Current State: 83:[83, 1], Operations: ['70+13=83', '67-66=1'] Exploring Operation: 83*1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
0.96441
hs_3
mult_heuristic
[ 80, 10, 20, 31 ]
71
[ "80*10=800", "800/20=40", "31+40=71" ]
Current State: 71:[80, 10, 20, 31], Operations: [] Exploring Operation: 80*10=800, Resulting Numbers: [20, 31, 800] Generated Node #2: [20, 31, 800] from Operation: 80*10=800 Current State: 71:[20, 31, 800], Operations: ['80*10=800'] Exploring Operation: 800/20=40, Resulting Numbers: [31, 40] Generated Node #3: [31, 40] from Operation: 800/20=40 Current State: 71:[31, 40], Operations: ['80*10=800', '800/20=40'] Exploring Operation: 31+40=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[80, 10, 20, 31], Operations: [] Exploring Operation: 80-10=70, Resulting Numbers: [20, 31, 70] Generated Node #0,0: 71:[20, 31, 70] Operation: 80-10=70 Exploring Operation: 10+31=41, Resulting Numbers: [80, 20, 41] Generated Node #0,1: 71:[80, 20, 41] Operation: 10+31=41 Exploring Operation: 20+31=51, Resulting Numbers: [80, 10, 51] Generated Node #0,2: 71:[80, 10, 51] Operation: 20+31=51 Exploring Operation: 10+20=30, Resulting Numbers: [80, 31, 30] Generated Node #0,3: 71:[80, 31, 30] Operation: 10+20=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[80, 20, 41], Operations: ['10+31=41'] Exploring Operation: 80-20=60, Resulting Numbers: [41, 60] Generated Node #0,1,0: 71:[41, 60] Operation: 80-20=60 Exploring Operation: 80+20=100, Resulting Numbers: [41, 100] Generated Node #0,1,1: 71:[41, 100] Operation: 80+20=100 Exploring Operation: 41-20=21, Resulting Numbers: [80, 21] Generated Node #0,1,2: 71:[80, 21] Operation: 41-20=21 Exploring Operation: 20+41=61, Resulting Numbers: [80, 61] Generated Node #0,1,3: 71:[80, 61] Operation: 20+41=61 Moving to Node #0,1,3 Current State: 71:[80, 61], Operations: ['10+31=41', '20+41=61'] Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 80*61=4880, Resulting Numbers: [4880] 4880,71 unequal: No Solution Exploring Operation: 80+61=141, Resulting Numbers: [141] 141,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[41, 60], Operations: ['10+31=41', '80-20=60'] Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 41*60=2460, Resulting Numbers: [2460] 2460,71 unequal: No Solution Exploring Operation: 41+60=101, Resulting Numbers: [101] 101,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[80, 21], Operations: ['10+31=41', '41-20=21'] Exploring Operation: 80*21=1680, Resulting Numbers: [1680] 1680,71 unequal: No Solution Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 80+21=101, Resulting Numbers: [101] 101,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[41, 100], Operations: ['10+31=41', '80+20=100'] Exploring Operation: 41*100=4100, Resulting Numbers: [4100] 4100,71 unequal: No Solution Exploring Operation: 100-41=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 41+100=141, Resulting Numbers: [141] 141,71 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 Current State: 71:[80, 10, 51], Operations: ['20+31=51'] Exploring Operation: 51-10=41, Resulting Numbers: [80, 41] Generated Node #0,2,0: 71:[80, 41] Operation: 51-10=41 Exploring Operation: 80-10=70, Resulting Numbers: [51, 70] Generated Node #0,2,1: 71:[51, 70] Operation: 80-10=70 Exploring Operation: 10+51=61, Resulting Numbers: [80, 61] Generated Node #0,2,2: 71:[80, 61] Operation: 10+51=61 Exploring Operation: 80+10=90, Resulting Numbers: [51, 90] Generated Node #0,2,3: 71:[51, 90] Operation: 80+10=90 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[80, 61], Operations: ['20+31=51', '10+51=61'] Exploring Operation: 80+61=141, Resulting Numbers: [141] 141,71 unequal: No Solution Exploring Operation: 80*61=4880, Resulting Numbers: [4880] 4880,71 unequal: No Solution Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,71 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 #0,2,1 Current State: 71:[51, 70], Operations: ['20+31=51', '80-10=70'] Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 51+70=121, Resulting Numbers: [121] 121,71 unequal: No Solution Exploring Operation: 51*70=3570, Resulting Numbers: [3570] 3570,71 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 #0,2,0 Current State: 71:[80, 41], Operations: ['20+31=51', '51-10=41'] Exploring Operation: 80-41=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 80+41=121, Resulting Numbers: [121] 121,71 unequal: No Solution Exploring Operation: 80*41=3280, Resulting Numbers: [3280] 3280,71 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 #0,2,3 Current State: 71:[51, 90], Operations: ['20+31=51', '80+10=90'] Exploring Operation: 51*90=4590, Resulting Numbers: [4590] 4590,71 unequal: No Solution Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 51+90=141, Resulting Numbers: [141] 141,71 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 #0,3 Current State: 71:[80, 31, 30], Operations: ['10+20=30'] Exploring Operation: 31+30=61, Resulting Numbers: [80, 61] Generated Node #0,3,0: 71:[80, 61] Operation: 31+30=61 Exploring Operation: 80+30=110, Resulting Numbers: [31, 110] Generated Node #0,3,1: 71:[31, 110] Operation: 80+30=110 Exploring Operation: 80-31=49, Resulting Numbers: [30, 49] Generated Node #0,3,2: 71:[30, 49] Operation: 80-31=49 Exploring Operation: 80-30=50, Resulting Numbers: [31, 50] Generated Node #0,3,3: 71:[31, 50] Operation: 80-30=50 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 71:[80, 61], Operations: ['10+20=30', '31+30=61'] Exploring Operation: 80*61=4880, Resulting Numbers: [4880] 4880,71 unequal: No Solution Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 80+61=141, Resulting Numbers: [141] 141,71 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 #0,3,3 Current State: 71:[31, 50], Operations: ['10+20=30', '80-30=50'] Exploring Operation: 31+50=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 31*50=1550, Resulting Numbers: [1550] 1550,71 unequal: No Solution Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,71 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 #0,3,2 Current State: 71:[30, 49], Operations: ['10+20=30', '80-31=49'] Exploring Operation: 30+49=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 30*49=1470, Resulting Numbers: [1470] 1470,71 unequal: No Solution Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,71 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 #0,3,1 Current State: 71:[31, 110], Operations: ['10+20=30', '80+30=110'] Exploring Operation: 110-31=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 31*110=3410, Resulting Numbers: [3410] 3410,71 unequal: No Solution Exploring Operation: 31+110=141, Resulting Numbers: [141] 141,71 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 #0,0 Current State: 71:[20, 31, 70], Operations: ['80-10=70'] Exploring Operation: 70-20=50, Resulting Numbers: [31, 50] Generated Node #0,0,0: 71:[31, 50] Operation: 70-20=50 Exploring Operation: 20+31=51, Resulting Numbers: [70, 51] Generated Node #0,0,1: 71:[70, 51] Operation: 20+31=51 Exploring Operation: 20+70=90, Resulting Numbers: [31, 90] Generated Node #0,0,2: 71:[31, 90] Operation: 20+70=90 Exploring Operation: 31-20=11, Resulting Numbers: [70, 11] Generated Node #0,0,3: 71:[70, 11] Operation: 31-20=11 Moving to Node #0,0,1 Current State: 71:[70, 51], Operations: ['80-10=70', '20+31=51'] Exploring Operation: 70+51=121, Resulting Numbers: [121] 121,71 unequal: No Solution Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 70*51=3570, Resulting Numbers: [3570] 3570,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[31, 90], Operations: ['80-10=70', '20+70=90'] Exploring Operation: 31+90=121, Resulting Numbers: [121] 121,71 unequal: No Solution Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 31*90=2790, Resulting Numbers: [2790] 2790,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[70, 11], Operations: ['80-10=70', '31-20=11'] Exploring Operation: 70+11=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 70*11=770, Resulting Numbers: [770] 770,71 unequal: No Solution Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[31, 50], Operations: ['80-10=70', '70-20=50'] Exploring Operation: 31+50=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 31*50=1550, Resulting Numbers: [1550] 1550,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 4, 89, 27, 21 ]
65
[ "27-21=6", "4*6=24", "89-24=65" ]
Current State: 65:[4, 89, 27, 21], Operations: [] Exploring Operation: 27-21=6, Resulting Numbers: [4, 89, 6] Generated Node #2: [4, 89, 6] from Operation: 27-21=6 Current State: 65:[4, 89, 6], Operations: ['27-21=6'] Exploring Operation: 4*6=24, Resulting Numbers: [89, 24] Generated Node #3: [89, 24] from Operation: 4*6=24 Current State: 65:[89, 24], Operations: ['27-21=6', '4*6=24'] Exploring Operation: 89-24=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[4, 89, 27, 21], Operations: [] Exploring Operation: 27-21=6, Resulting Numbers: [4, 89, 6] Generated Node #0,0: 65:[4, 89, 6] Operation: 27-21=6 Exploring Operation: 89-27=62, Resulting Numbers: [4, 21, 62] Generated Node #0,1: 65:[4, 21, 62] Operation: 89-27=62 Exploring Operation: 89-21=68, Resulting Numbers: [4, 27, 68] Generated Node #0,2: 65:[4, 27, 68] Operation: 89-21=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[4, 21, 62], Operations: ['89-27=62'] Exploring Operation: 4+62=66, Resulting Numbers: [21, 66] Generated Node #0,1,0: 65:[21, 66] Operation: 4+62=66 Exploring Operation: 4+21=25, Resulting Numbers: [62, 25] Generated Node #0,1,1: 65:[62, 25] Operation: 4+21=25 Exploring Operation: 21-4=17, Resulting Numbers: [62, 17] Generated Node #0,1,2: 65:[62, 17] Operation: 21-4=17 Moving to Node #0,1,2 Current State: 65:[62, 17], Operations: ['89-27=62', '21-4=17'] Exploring Operation: 62*17=1054, Resulting Numbers: [1054] 1054,65 unequal: No Solution Exploring Operation: 62-17=45, Resulting Numbers: [45] 45,65 unequal: No Solution Exploring Operation: 62+17=79, Resulting Numbers: [79] 79,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[21, 66], Operations: ['89-27=62', '4+62=66'] Exploring Operation: 21+66=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 21*66=1386, Resulting Numbers: [1386] 1386,65 unequal: No Solution Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[62, 25], Operations: ['89-27=62', '4+21=25'] Exploring Operation: 62+25=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 62*25=1550, Resulting Numbers: [1550] 1550,65 unequal: No Solution Exploring Operation: 62-25=37, Resulting Numbers: [37] 37,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[4, 27, 68], Operations: ['89-21=68'] Exploring Operation: 68/4=17, Resulting Numbers: [27, 17] Generated Node #0,2,0: 65:[27, 17] Operation: 68/4=17 Exploring Operation: 27-4=23, Resulting Numbers: [68, 23] Generated Node #0,2,1: 65:[68, 23] Operation: 27-4=23 Exploring Operation: 68-4=64, Resulting Numbers: [27, 64] Generated Node #0,2,2: 65:[27, 64] Operation: 68-4=64 Moving to Node #0,2,1 Current State: 65:[68, 23], Operations: ['89-21=68', '27-4=23'] Exploring Operation: 68*23=1564, Resulting Numbers: [1564] 1564,65 unequal: No Solution Exploring Operation: 68-23=45, Resulting Numbers: [45] 45,65 unequal: No Solution Exploring Operation: 68+23=91, Resulting Numbers: [91] 91,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[27, 64], Operations: ['89-21=68', '68-4=64'] Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 27+64=91, Resulting Numbers: [91] 91,65 unequal: No Solution Exploring Operation: 27*64=1728, Resulting Numbers: [1728] 1728,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[27, 17], Operations: ['89-21=68', '68/4=17'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,65 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[4, 89, 6], Operations: ['27-21=6'] Exploring Operation: 4+6=10, Resulting Numbers: [89, 10] Generated Node #0,0,0: 65:[89, 10] Operation: 4+6=10 Exploring Operation: 89-6=83, Resulting Numbers: [4, 83] Generated Node #0,0,1: 65:[4, 83] Operation: 89-6=83 Exploring Operation: 89-4=85, Resulting Numbers: [6, 85] Generated Node #0,0,2: 65:[6, 85] Operation: 89-4=85 Moving to Node #0,0,1 Current State: 65:[4, 83], Operations: ['27-21=6', '89-6=83'] Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,65 unequal: No Solution Exploring Operation: 4+83=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 4*83=332, Resulting Numbers: [332] 332,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[6, 85], Operations: ['27-21=6', '89-4=85'] Exploring Operation: 85-6=79, Resulting Numbers: [79] 79,65 unequal: No Solution Exploring Operation: 6+85=91, Resulting Numbers: [91] 91,65 unequal: No Solution Exploring Operation: 6*85=510, Resulting Numbers: [510] 510,65 unequal: No Solution Moving to Node #0,0,0 Current State: 65:[89, 10], Operations: ['27-21=6', '4+6=10'] Exploring Operation: 89+10=99, Resulting Numbers: [99] 99,65 unequal: No Solution Exploring Operation: 89*10=890, Resulting Numbers: [890] 890,65 unequal: No Solution Exploring Operation: 89-10=79, Resulting Numbers: [79] 79,65 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
[ 71, 91, 78, 52 ]
65
[ "78-71=7", "91/7=13", "52+13=65" ]
Current State: 65:[71, 91, 78, 52], Operations: [] Exploring Operation: 78-71=7, Resulting Numbers: [91, 52, 7] Generated Node #2: [91, 52, 7] from Operation: 78-71=7 Current State: 65:[91, 52, 7], Operations: ['78-71=7'] Exploring Operation: 91/7=13, Resulting Numbers: [52, 13] Generated Node #3: [52, 13] from Operation: 91/7=13 Current State: 65:[52, 13], Operations: ['78-71=7', '91/7=13'] Exploring Operation: 52+13=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[71, 91, 78, 52], Operations: [] Exploring Operation: 91-78=13, Resulting Numbers: [71, 52, 13] Generated Node #0,0: 65:[71, 52, 13] Operation: 91-78=13 Exploring Operation: 78-71=7, Resulting Numbers: [91, 52, 7] Generated Node #0,1: 65:[91, 52, 7] Operation: 78-71=7 Exploring Operation: 91-71=20, Resulting Numbers: [78, 52, 20] Generated Node #0,2: 65:[78, 52, 20] Operation: 91-71=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[71, 52, 13], Operations: ['91-78=13'] Exploring Operation: 52+13=65, Resulting Numbers: [71, 65] Generated Node #0,0,0: 65:[71, 65] Operation: 52+13=65 Exploring Operation: 52/13=4, Resulting Numbers: [71, 4] Generated Node #0,0,1: 65:[71, 4] Operation: 52/13=4 Exploring Operation: 71-52=19, Resulting Numbers: [13, 19] Generated Node #0,0,2: 65:[13, 19] Operation: 71-52=19 Moving to Node #0,0,0 Current State: 65:[71, 65], Operations: ['91-78=13', '52+13=65'] Exploring Operation: 71*65=4615, Resulting Numbers: [4615] 4615,65 unequal: No Solution Exploring Operation: 71+65=136, Resulting Numbers: [136] 136,65 unequal: No Solution Exploring Operation: 71-65=6, Resulting Numbers: [6] 6,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[13, 19], Operations: ['91-78=13', '71-52=19'] Exploring Operation: 13*19=247, Resulting Numbers: [247] 247,65 unequal: No Solution Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,65 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[71, 4], Operations: ['91-78=13', '52/13=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 71*4=284, Resulting Numbers: [284] 284,65 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[78, 52, 20], Operations: ['91-71=20'] Exploring Operation: 52+20=72, Resulting Numbers: [78, 72] Generated Node #0,2,0: 65:[78, 72] Operation: 52+20=72 Exploring Operation: 78-20=58, Resulting Numbers: [52, 58] Generated Node #0,2,1: 65:[52, 58] Operation: 78-20=58 Exploring Operation: 78-52=26, Resulting Numbers: [20, 26] Generated Node #0,2,2: 65:[20, 26] Operation: 78-52=26 Moving to Node #0,2,0 Current State: 65:[78, 72], Operations: ['91-71=20', '52+20=72'] Exploring Operation: 78-72=6, Resulting Numbers: [6] 6,65 unequal: No Solution Exploring Operation: 78+72=150, Resulting Numbers: [150] 150,65 unequal: No Solution Exploring Operation: 78*72=5616, Resulting Numbers: [5616] 5616,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[52, 58], Operations: ['91-71=20', '78-20=58'] Exploring Operation: 52*58=3016, Resulting Numbers: [3016] 3016,65 unequal: No Solution Exploring Operation: 58-52=6, Resulting Numbers: [6] 6,65 unequal: No Solution Exploring Operation: 52+58=110, Resulting Numbers: [110] 110,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[20, 26], Operations: ['91-71=20', '78-52=26'] Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,65 unequal: No Solution Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,65 unequal: No Solution Exploring Operation: 20*26=520, Resulting Numbers: [520] 520,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[91, 52, 7], Operations: ['78-71=7'] Exploring Operation: 91-7=84, Resulting Numbers: [52, 84] Generated Node #0,1,0: 65:[52, 84] Operation: 91-7=84 Exploring Operation: 91-52=39, Resulting Numbers: [7, 39] Generated Node #0,1,1: 65:[7, 39] Operation: 91-52=39 Exploring Operation: 91/7=13, Resulting Numbers: [52, 13] Generated Node #0,1,2: 65:[52, 13] Operation: 91/7=13 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 65:[52, 13], Operations: ['78-71=7', '91/7=13'] Exploring Operation: 52-13=39, Resulting Numbers: [39] 39,65 unequal: No Solution Exploring Operation: 52+13=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[71, 91, 78, 52], Operations: [] Exploring Operation: 78-71=7, Resulting Numbers: [91, 52, 7] Generated Node #0,1: 65:[91, 52, 7] Operation: 78-71=7 Moving to Node #0,1 Current State: 65:[91, 52, 7], Operations: ['78-71=7'] Exploring Operation: 91/7=13, Resulting Numbers: [52, 13] Generated Node #0,1,2: 65:[52, 13] Operation: 91/7=13 Moving to Node #0,1,2 Current State: 65:[52, 13], Operations: ['78-71=7', '91/7=13'] Exploring Operation: 52+13=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_3
sum_heuristic
[ 35, 81, 6, 81 ]
40
[ "35+6=41", "81/81=1", "41-1=40" ]
Current State: 40:[35, 81, 6, 81], Operations: [] Exploring Operation: 35+6=41, Resulting Numbers: [81, 81, 41] Generated Node #2: [81, 81, 41] from Operation: 35+6=41 Current State: 40:[81, 81, 41], Operations: ['35+6=41'] Exploring Operation: 81/81=1, Resulting Numbers: [41, 1] Generated Node #3: [41, 1] from Operation: 81/81=1 Current State: 40:[41, 1], Operations: ['35+6=41', '81/81=1'] Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[35, 81, 6, 81], Operations: [] Exploring Operation: 81/81=1, Resulting Numbers: [35, 6, 1] Generated Node #0,0: 40:[35, 6, 1] Operation: 81/81=1 Moving to Node #0,0 Current State: 40:[35, 6, 1], Operations: ['81/81=1'] Exploring Operation: 35+6=41, Resulting Numbers: [1, 41] Generated Node #0,0,0: 40:[1, 41] Operation: 35+6=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[1, 41], Operations: ['81/81=1', '35+6=41'] Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[35, 81, 6, 81], Operations: [] Exploring Operation: 81/81=1, Resulting Numbers: [35, 6, 1] Generated Node #0,0: 40:[35, 6, 1] Operation: 81/81=1 Moving to Node #0,0 Current State: 40:[35, 6, 1], Operations: ['81/81=1'] Exploring Operation: 35+6=41, Resulting Numbers: [1, 41] Generated Node #0,0,0: 40:[1, 41] Operation: 35+6=41 Moving to Node #0,0,0 Current State: 40:[1, 41], Operations: ['81/81=1', '35+6=41'] Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 97, 20, 71, 7 ]
39
[ "97+20=117", "71+7=78", "117-78=39" ]
Current State: 39:[97, 20, 71, 7], Operations: [] Exploring Operation: 97+20=117, Resulting Numbers: [71, 7, 117] Generated Node #2: [71, 7, 117] from Operation: 97+20=117 Current State: 39:[71, 7, 117], Operations: ['97+20=117'] Exploring Operation: 71+7=78, Resulting Numbers: [117, 78] Generated Node #3: [117, 78] from Operation: 71+7=78 Current State: 39:[117, 78], Operations: ['97+20=117', '71+7=78'] Exploring Operation: 117-78=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[97, 20, 71, 7], Operations: [] Exploring Operation: 97-20=77, Resulting Numbers: [71, 7, 77] Generated Node #0,0: 39:[71, 7, 77] Operation: 97-20=77 Exploring Operation: 20-7=13, Resulting Numbers: [97, 71, 13] Generated Node #0,1: 39:[97, 71, 13] Operation: 20-7=13 Exploring Operation: 71-20=51, Resulting Numbers: [97, 7, 51] Generated Node #0,2: 39:[97, 7, 51] Operation: 71-20=51 Exploring Operation: 97-7=90, Resulting Numbers: [20, 71, 90] Generated Node #0,3: 39:[20, 71, 90] Operation: 97-7=90 Exploring Operation: 97-71=26, Resulting Numbers: [20, 7, 26] Generated Node #0,4: 39:[20, 7, 26] Operation: 97-71=26 Start Sub Search at level 1: Moving to Node #0,4 Current State: 39:[20, 7, 26], Operations: ['97-71=26'] Exploring Operation: 20+26=46, Resulting Numbers: [7, 46] Generated Node #0,4,0: 39:[7, 46] Operation: 20+26=46 Exploring Operation: 7+26=33, Resulting Numbers: [20, 33] Generated Node #0,4,1: 39:[20, 33] Operation: 7+26=33 Exploring Operation: 26-20=6, Resulting Numbers: [7, 6] Generated Node #0,4,2: 39:[7, 6] Operation: 26-20=6 Exploring Operation: 20-7=13, Resulting Numbers: [26, 13] Generated Node #0,4,3: 39:[26, 13] Operation: 20-7=13 Exploring Operation: 26-7=19, Resulting Numbers: [20, 19] Generated Node #0,4,4: 39:[20, 19] Operation: 26-7=19 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 39:[7, 6], Operations: ['97-71=26', '26-20=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,39 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 39:[7, 46], Operations: ['97-71=26', '20+26=46'] Exploring Operation: 7*46=322, Resulting Numbers: [322] 322,39 unequal: No Solution Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[97, 20, 71, 7], Operations: [] Exploring Operation: 97-71=26, Resulting Numbers: [20, 7, 26] Generated Node #0,4: 39:[20, 7, 26] Operation: 97-71=26 Moving to Node #0,4 Current State: 39:[20, 7, 26], Operations: ['97-71=26'] Exploring Operation: 20+26=46, Resulting Numbers: [7, 46] Generated Node #0,4,0: 39:[7, 46] Operation: 20+26=46 Moving to Node #0,4,0 Current State: 39:[7, 46], Operations: ['97-71=26', '20+26=46'] Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 98, 84, 3, 85 ]
73
[ "98+84=182", "3*85=255", "255-182=73" ]
Current State: 73:[98, 84, 3, 85], Operations: [] Exploring Operation: 98+84=182, Resulting Numbers: [3, 85, 182] Generated Node #2: [3, 85, 182] from Operation: 98+84=182 Current State: 73:[3, 85, 182], Operations: ['98+84=182'] Exploring Operation: 3*85=255, Resulting Numbers: [182, 255] Generated Node #3: [182, 255] from Operation: 3*85=255 Current State: 73:[182, 255], Operations: ['98+84=182', '3*85=255'] Exploring Operation: 255-182=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[98, 84, 3, 85], Operations: [] Exploring Operation: 98-3=95, Resulting Numbers: [84, 85, 95] Generated Node #0,0: 73:[84, 85, 95] Operation: 98-3=95 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[84, 85, 95], Operations: ['98-3=95'] Exploring Operation: 95-84=11, Resulting Numbers: [85, 11] Generated Node #0,0,0: 73:[85, 11] Operation: 95-84=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[85, 11], Operations: ['98-3=95', '95-84=11'] Exploring Operation: 85-11=74, Resulting Numbers: [74] 74,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 14, 42, 25, 74 ]
96
[ "42/14=3", "25+74=99", "99-3=96" ]
Current State: 96:[14, 42, 25, 74], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [25, 74, 3] Generated Node #2: [25, 74, 3] from Operation: 42/14=3 Current State: 96:[25, 74, 3], Operations: ['42/14=3'] Exploring Operation: 25+74=99, Resulting Numbers: [3, 99] Generated Node #3: [3, 99] from Operation: 25+74=99 Current State: 96:[3, 99], Operations: ['42/14=3', '25+74=99'] Exploring Operation: 99-3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[14, 42, 25, 74], Operations: [] Exploring Operation: 74-42=32, Resulting Numbers: [14, 25, 32] Generated Node #0,0: 96:[14, 25, 32] Operation: 74-42=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[14, 25, 32], Operations: ['74-42=32'] Exploring Operation: 25-14=11, Resulting Numbers: [32, 11] Generated Node #0,0,0: 96:[32, 11] Operation: 25-14=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[32, 11], Operations: ['74-42=32', '25-14=11'] Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 13, 96, 28, 48 ]
82
[ "13+28=41", "96/48=2", "41*2=82" ]
Current State: 82:[13, 96, 28, 48], Operations: [] Exploring Operation: 13+28=41, Resulting Numbers: [96, 48, 41] Generated Node #2: [96, 48, 41] from Operation: 13+28=41 Current State: 82:[96, 48, 41], Operations: ['13+28=41'] Exploring Operation: 96/48=2, Resulting Numbers: [41, 2] Generated Node #3: [41, 2] from Operation: 96/48=2 Current State: 82:[41, 2], Operations: ['13+28=41', '96/48=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[13, 96, 28, 48], Operations: [] Exploring Operation: 96-13=83, Resulting Numbers: [28, 48, 83] Generated Node #0,0: 82:[28, 48, 83] Operation: 96-13=83 Exploring Operation: 13+28=41, Resulting Numbers: [96, 48, 41] Generated Node #0,1: 82:[96, 48, 41] Operation: 13+28=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[28, 48, 83], Operations: ['96-13=83'] Exploring Operation: 28+48=76, Resulting Numbers: [83, 76] Generated Node #0,0,0: 82:[83, 76] Operation: 28+48=76 Exploring Operation: 48-28=20, Resulting Numbers: [83, 20] Generated Node #0,0,1: 82:[83, 20] Operation: 48-28=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[83, 76], Operations: ['96-13=83', '28+48=76'] Exploring Operation: 83-76=7, Resulting Numbers: [7] 7,82 unequal: No Solution Exploring Operation: 83+76=159, Resulting Numbers: [159] 159,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[83, 20], Operations: ['96-13=83', '48-28=20'] Exploring Operation: 83-20=63, Resulting Numbers: [63] 63,82 unequal: No Solution Exploring Operation: 83+20=103, Resulting Numbers: [103] 103,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[96, 48, 41], Operations: ['13+28=41'] Exploring Operation: 96/48=2, Resulting Numbers: [41, 2] Generated Node #0,1,0: 82:[41, 2] Operation: 96/48=2 Exploring Operation: 96-48=48, Resulting Numbers: [41, 48] Generated Node #0,1,1: 82:[41, 48] Operation: 96-48=48 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 82:[41, 2], Operations: ['13+28=41', '96/48=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,82 unequal: No Solution Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[13, 96, 28, 48], Operations: [] Exploring Operation: 13+28=41, Resulting Numbers: [96, 48, 41] Generated Node #0,1: 82:[96, 48, 41] Operation: 13+28=41 Moving to Node #0,1 Current State: 82:[96, 48, 41], Operations: ['13+28=41'] Exploring Operation: 96/48=2, Resulting Numbers: [41, 2] Generated Node #0,1,0: 82:[41, 2] Operation: 96/48=2 Moving to Node #0,1,0 Current State: 82:[41, 2], Operations: ['13+28=41', '96/48=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 70, 64, 84, 95 ]
45
[ "70+64=134", "84+95=179", "179-134=45" ]
Current State: 45:[70, 64, 84, 95], Operations: [] Exploring Operation: 70+64=134, Resulting Numbers: [84, 95, 134] Generated Node #2: [84, 95, 134] from Operation: 70+64=134 Current State: 45:[84, 95, 134], Operations: ['70+64=134'] Exploring Operation: 84+95=179, Resulting Numbers: [134, 179] Generated Node #3: [134, 179] from Operation: 84+95=179 Current State: 45:[134, 179], Operations: ['70+64=134', '84+95=179'] Exploring Operation: 179-134=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[70, 64, 84, 95], Operations: [] Exploring Operation: 95-70=25, Resulting Numbers: [64, 84, 25] Generated Node #0,0: 45:[64, 84, 25] Operation: 95-70=25 Exploring Operation: 95-84=11, Resulting Numbers: [70, 64, 11] Generated Node #0,1: 45:[70, 64, 11] Operation: 95-84=11 Moving to Node #0,1 Current State: 45:[70, 64, 11], Operations: ['95-84=11'] Exploring Operation: 70-64=6, Resulting Numbers: [11, 6] Generated Node #0,1,0: 45:[11, 6] Operation: 70-64=6 Exploring Operation: 70-11=59, Resulting Numbers: [64, 59] Generated Node #0,1,1: 45:[64, 59] Operation: 70-11=59 Moving to Node #0,0 Current State: 45:[64, 84, 25], Operations: ['95-70=25'] Exploring Operation: 84-64=20, Resulting Numbers: [25, 20] Generated Node #0,0,0: 45:[25, 20] Operation: 84-64=20 Exploring Operation: 84-25=59, Resulting Numbers: [64, 59] Generated Node #0,0,1: 45:[64, 59] Operation: 84-25=59 Moving to Node #0,1,0 Current State: 45:[11, 6], Operations: ['95-84=11', '70-64=6'] Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,45 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[25, 20], Operations: ['95-70=25', '84-64=20'] Exploring Operation: 25+20=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[70, 64, 84, 95], Operations: [] Exploring Operation: 95-70=25, Resulting Numbers: [64, 84, 25] Generated Node #0,0: 45:[64, 84, 25] Operation: 95-70=25 Moving to Node #0,0 Current State: 45:[64, 84, 25], Operations: ['95-70=25'] Exploring Operation: 84-64=20, Resulting Numbers: [25, 20] Generated Node #0,0,0: 45:[25, 20] Operation: 84-64=20 Moving to Node #0,0,0 Current State: 45:[25, 20], Operations: ['95-70=25', '84-64=20'] Exploring Operation: 25+20=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
0.988715
hs_2
mult_heuristic
[ 81, 46, 58, 34 ]
57
[ "81-46=35", "58+34=92", "92-35=57" ]
Current State: 57:[81, 46, 58, 34], Operations: [] Exploring Operation: 81-46=35, Resulting Numbers: [58, 34, 35] Generated Node #2: [58, 34, 35] from Operation: 81-46=35 Current State: 57:[58, 34, 35], Operations: ['81-46=35'] Exploring Operation: 58+34=92, Resulting Numbers: [35, 92] Generated Node #3: [35, 92] from Operation: 58+34=92 Current State: 57:[35, 92], Operations: ['81-46=35', '58+34=92'] Exploring Operation: 92-35=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[81, 46, 58, 34], Operations: [] Exploring Operation: 81-34=47, Resulting Numbers: [46, 58, 47] Generated Node #0,0: 57:[46, 58, 47] Operation: 81-34=47 Exploring Operation: 81-46=35, Resulting Numbers: [58, 34, 35] Generated Node #0,1: 57:[58, 34, 35] Operation: 81-46=35 Exploring Operation: 81-58=23, Resulting Numbers: [46, 34, 23] Generated Node #0,2: 57:[46, 34, 23] Operation: 81-58=23 Moving to Node #0,0 Current State: 57:[46, 58, 47], Operations: ['81-34=47'] Exploring Operation: 58-46=12, Resulting Numbers: [47, 12] Generated Node #0,0,0: 57:[47, 12] Operation: 58-46=12 Exploring Operation: 47-46=1, Resulting Numbers: [58, 1] Generated Node #0,0,1: 57:[58, 1] Operation: 47-46=1 Exploring Operation: 58-47=11, Resulting Numbers: [46, 11] Generated Node #0,0,2: 57:[46, 11] Operation: 58-47=11 Moving to Node #0,2 Current State: 57:[46, 34, 23], Operations: ['81-58=23'] Exploring Operation: 46/23=2, Resulting Numbers: [34, 2] Generated Node #0,2,0: 57:[34, 2] Operation: 46/23=2 Exploring Operation: 34+23=57, Resulting Numbers: [46, 57] Generated Node #0,2,1: 57:[46, 57] Operation: 34+23=57 Exploring Operation: 46-34=12, Resulting Numbers: [23, 12] Generated Node #0,2,2: 57:[23, 12] Operation: 46-34=12 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 57:[46, 57], Operations: ['81-58=23', '34+23=57'] Exploring Operation: 46*57=2622, Resulting Numbers: [2622] 2622,57 unequal: No Solution Exploring Operation: 46+57=103, Resulting Numbers: [103] 103,57 unequal: No Solution Exploring Operation: 57-46=11, Resulting Numbers: [11] 11,57 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 #0,2,2 Current State: 57:[23, 12], Operations: ['81-58=23', '46-34=12'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,57 unequal: No Solution Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,57 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 #0,2,0 Current State: 57:[34, 2], Operations: ['81-58=23', '46/23=2'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,57 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,57 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 57:[58, 34, 35], Operations: ['81-46=35'] Exploring Operation: 34+35=69, Resulting Numbers: [58, 69] Generated Node #0,1,0: 57:[58, 69] Operation: 34+35=69 Exploring Operation: 35-34=1, Resulting Numbers: [58, 1] Generated Node #0,1,1: 57:[58, 1] Operation: 35-34=1 Exploring Operation: 58-35=23, Resulting Numbers: [34, 23] Generated Node #0,1,2: 57:[34, 23] Operation: 58-35=23 Moving to Node #0,0,1 Current State: 57:[58, 1], Operations: ['81-34=47', '47-46=1'] Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[81, 46, 58, 34], Operations: [] Exploring Operation: 81-34=47, Resulting Numbers: [46, 58, 47] Generated Node #0,0: 57:[46, 58, 47] Operation: 81-34=47 Moving to Node #0,0 Current State: 57:[46, 58, 47], Operations: ['81-34=47'] Exploring Operation: 47-46=1, Resulting Numbers: [58, 1] Generated Node #0,0,1: 57:[58, 1] Operation: 47-46=1 Moving to Node #0,0,1 Current State: 57:[58, 1], Operations: ['81-34=47', '47-46=1'] Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.977431
hs_3
sum_heuristic
[ 14, 14, 98, 28 ]
49
[ "98/14=7", "14+28=42", "7+42=49" ]
Current State: 49:[14, 14, 98, 28], Operations: [] Exploring Operation: 98/14=7, Resulting Numbers: [28, 7] Generated Node #2: [28, 7] from Operation: 98/14=7 Current State: 49:[28, 7], Operations: ['98/14=7'] Exploring Operation: 14+28=42, Resulting Numbers: [7, 42] Generated Node #3: [7, 42] from Operation: 14+28=42 Current State: 49:[7, 42], Operations: ['98/14=7', '14+28=42'] Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[14, 14, 98, 28], Operations: [] Exploring Operation: 98/14=7, Resulting Numbers: [14, 28, 7] Generated Node #0,0: 49:[14, 28, 7] Operation: 98/14=7 Exploring Operation: 98/14=7, Resulting Numbers: [14, 28, 7] Generated Node #0,1: 49:[14, 28, 7] Operation: 98/14=7 Exploring Operation: 98-28=70, Resulting Numbers: [14, 14, 70] Generated Node #0,2: 49:[14, 14, 70] Operation: 98-28=70 Moving to Node #0,0 Current State: 49:[14, 28, 7], Operations: ['98/14=7'] Exploring Operation: 28-14=14, Resulting Numbers: [7, 14] Generated Node #0,0,0: 49:[7, 14] Operation: 28-14=14 Exploring Operation: 28/14=2, Resulting Numbers: [7, 2] Generated Node #0,0,1: 49:[7, 2] Operation: 28/14=2 Exploring Operation: 14+28=42, Resulting Numbers: [7, 42] Generated Node #0,0,2: 49:[7, 42] Operation: 14+28=42 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[7, 2], Operations: ['98/14=7', '28/14=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[7, 14], Operations: ['98/14=7', '28-14=14'] Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[7, 42], Operations: ['98/14=7', '14+28=42'] Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[14, 14, 98, 28], Operations: [] Exploring Operation: 98/14=7, Resulting Numbers: [14, 28, 7] Generated Node #0,0: 49:[14, 28, 7] Operation: 98/14=7 Moving to Node #0,0 Current State: 49:[14, 28, 7], Operations: ['98/14=7'] Exploring Operation: 14+28=42, Resulting Numbers: [7, 42] Generated Node #0,0,2: 49:[7, 42] Operation: 14+28=42 Moving to Node #0,0,2 Current State: 49:[7, 42], Operations: ['98/14=7', '14+28=42'] Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 4, 45, 31, 43 ]
24
[ "45+31=76", "76/4=19", "43-19=24" ]
Current State: 24:[4, 45, 31, 43], Operations: [] Exploring Operation: 45+31=76, Resulting Numbers: [4, 43, 76] Generated Node #2: [4, 43, 76] from Operation: 45+31=76 Current State: 24:[4, 43, 76], Operations: ['45+31=76'] Exploring Operation: 76/4=19, Resulting Numbers: [43, 19] Generated Node #3: [43, 19] from Operation: 76/4=19 Current State: 24:[43, 19], Operations: ['45+31=76', '76/4=19'] Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[4, 45, 31, 43], Operations: [] Exploring Operation: 45-31=14, Resulting Numbers: [4, 43, 14] Generated Node #0,0: 24:[4, 43, 14] Operation: 45-31=14 Exploring Operation: 45-43=2, Resulting Numbers: [4, 31, 2] Generated Node #0,1: 24:[4, 31, 2] Operation: 45-43=2 Moving to Node #0,1 Current State: 24:[4, 31, 2], Operations: ['45-43=2'] Exploring Operation: 31-4=27, Resulting Numbers: [2, 27] Generated Node #0,1,0: 24:[2, 27] Operation: 31-4=27 Exploring Operation: 31-2=29, Resulting Numbers: [4, 29] Generated Node #0,1,1: 24:[4, 29] Operation: 31-2=29 Moving to Node #0,0 Current State: 24:[4, 43, 14], Operations: ['45-31=14'] Exploring Operation: 43-14=29, Resulting Numbers: [4, 29] Generated Node #0,0,0: 24:[4, 29] Operation: 43-14=29 Exploring Operation: 43-4=39, Resulting Numbers: [14, 39] Generated Node #0,0,1: 24:[14, 39] Operation: 43-4=39 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[4, 29], Operations: ['45-31=14', '43-14=29'] Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,24 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[14, 39], Operations: ['45-31=14', '43-4=39'] Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 14+39=53, Resulting Numbers: [53] 53,24 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: 24:[2, 27], Operations: ['45-43=2', '31-4=27'] Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,24 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,24 unequal: No Solution Moving to Node #0,1,1 Current State: 24:[4, 29], Operations: ['45-43=2', '31-2=29'] Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,24 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,24 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 88, 62, 38, 66 ]
16
[ "66-62=4", "88/4=22", "38-22=16" ]
Current State: 16:[88, 62, 38, 66], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [88, 38, 4] Generated Node #2: [88, 38, 4] from Operation: 66-62=4 Current State: 16:[88, 38, 4], Operations: ['66-62=4'] Exploring Operation: 88/4=22, Resulting Numbers: [38, 22] Generated Node #3: [38, 22] from Operation: 88/4=22 Current State: 16:[38, 22], Operations: ['66-62=4', '88/4=22'] Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[88, 62, 38, 66], Operations: [] Exploring Operation: 88-66=22, Resulting Numbers: [62, 38, 22] Generated Node #0,0: 16:[62, 38, 22] Operation: 88-66=22 Exploring Operation: 66-62=4, Resulting Numbers: [88, 38, 4] Generated Node #0,1: 16:[88, 38, 4] Operation: 66-62=4 Exploring Operation: 88-62=26, Resulting Numbers: [38, 66, 26] Generated Node #0,2: 16:[38, 66, 26] Operation: 88-62=26 Moving to Node #0,0 Current State: 16:[62, 38, 22], Operations: ['88-66=22'] Exploring Operation: 38-22=16, Resulting Numbers: [62, 16] Generated Node #0,0,0: 16:[62, 16] Operation: 38-22=16 Exploring Operation: 62-38=24, Resulting Numbers: [22, 24] Generated Node #0,0,1: 16:[22, 24] Operation: 62-38=24 Exploring Operation: 62-22=40, Resulting Numbers: [38, 40] Generated Node #0,0,2: 16:[38, 40] Operation: 62-22=40 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[22, 24], Operations: ['88-66=22', '62-38=24'] Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,16 unequal: No Solution Exploring Operation: 22*24=528, Resulting Numbers: [528] 528,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[62, 16], Operations: ['88-66=22', '38-22=16'] Exploring Operation: 62+16=78, Resulting Numbers: [78] 78,16 unequal: No Solution Exploring Operation: 62*16=992, Resulting Numbers: [992] 992,16 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 16:[38, 40], Operations: ['88-66=22', '62-22=40'] Exploring Operation: 40-38=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 38+40=78, Resulting Numbers: [78] 78,16 unequal: No Solution Exploring Operation: 38*40=1520, Resulting Numbers: [1520] 1520,16 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: 16:[38, 66, 26], Operations: ['88-62=26'] Exploring Operation: 38-26=12, Resulting Numbers: [66, 12] Generated Node #0,2,0: 16:[66, 12] Operation: 38-26=12 Exploring Operation: 66-38=28, Resulting Numbers: [26, 28] Generated Node #0,2,1: 16:[26, 28] Operation: 66-38=28 Exploring Operation: 66-26=40, Resulting Numbers: [38, 40] Generated Node #0,2,2: 16:[38, 40] Operation: 66-26=40 Moving to Node #0,1 Current State: 16:[88, 38, 4], Operations: ['66-62=4'] Exploring Operation: 88-4=84, Resulting Numbers: [38, 84] Generated Node #0,1,0: 16:[38, 84] Operation: 88-4=84 Exploring Operation: 88/4=22, Resulting Numbers: [38, 22] Generated Node #0,1,1: 16:[38, 22] Operation: 88/4=22 Exploring Operation: 88-38=50, Resulting Numbers: [4, 50] Generated Node #0,1,2: 16:[4, 50] Operation: 88-38=50 Moving to Node #0,2,1 Current State: 16:[26, 28], Operations: ['88-62=26', '66-38=28'] Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,16 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[38, 22], Operations: ['66-62=4', '88/4=22'] Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,16 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[88, 62, 38, 66], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [88, 38, 4] Generated Node #0,1: 16:[88, 38, 4] Operation: 66-62=4 Moving to Node #0,1 Current State: 16:[88, 38, 4], Operations: ['66-62=4'] Exploring Operation: 88/4=22, Resulting Numbers: [38, 22] Generated Node #0,1,1: 16:[38, 22] Operation: 88/4=22 Moving to Node #0,1,1 Current State: 16:[38, 22], Operations: ['66-62=4', '88/4=22'] Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.97309
hs_3
mult_heuristic
[ 71, 95, 68, 38 ]
60
[ "71+95=166", "68+38=106", "166-106=60" ]
Current State: 60:[71, 95, 68, 38], Operations: [] Exploring Operation: 71+95=166, Resulting Numbers: [68, 38, 166] Generated Node #2: [68, 38, 166] from Operation: 71+95=166 Current State: 60:[68, 38, 166], Operations: ['71+95=166'] Exploring Operation: 68+38=106, Resulting Numbers: [166, 106] Generated Node #3: [166, 106] from Operation: 68+38=106 Current State: 60:[166, 106], Operations: ['71+95=166', '68+38=106'] Exploring Operation: 166-106=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[71, 95, 68, 38], Operations: [] Exploring Operation: 95-71=24, Resulting Numbers: [68, 38, 24] Generated Node #0,0: 60:[68, 38, 24] Operation: 95-71=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[68, 38, 24], Operations: ['95-71=24'] Exploring Operation: 68-38=30, Resulting Numbers: [24, 30] Generated Node #0,0,0: 60:[24, 30] Operation: 68-38=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[24, 30], Operations: ['95-71=24', '68-38=30'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 74, 16, 68, 70 ]
13
[ "74-70=4", "68-16=52", "52/4=13" ]
Current State: 13:[74, 16, 68, 70], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [16, 68, 4] Generated Node #2: [16, 68, 4] from Operation: 74-70=4 Current State: 13:[16, 68, 4], Operations: ['74-70=4'] Exploring Operation: 68-16=52, Resulting Numbers: [4, 52] Generated Node #3: [4, 52] from Operation: 68-16=52 Current State: 13:[4, 52], Operations: ['74-70=4', '68-16=52'] Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[74, 16, 68, 70], Operations: [] Exploring Operation: 74-16=58, Resulting Numbers: [68, 70, 58] Generated Node #0,0: 13:[68, 70, 58] Operation: 74-16=58 Exploring Operation: 74-70=4, Resulting Numbers: [16, 68, 4] Generated Node #0,1: 13:[16, 68, 4] Operation: 74-70=4 Exploring Operation: 70-68=2, Resulting Numbers: [74, 16, 2] Generated Node #0,2: 13:[74, 16, 2] Operation: 70-68=2 Exploring Operation: 74-68=6, Resulting Numbers: [16, 70, 6] Generated Node #0,3: 13:[16, 70, 6] Operation: 74-68=6 Moving to Node #0,1 Current State: 13:[16, 68, 4], Operations: ['74-70=4'] Exploring Operation: 68-4=64, Resulting Numbers: [16, 64] Generated Node #0,1,0: 13:[16, 64] Operation: 68-4=64 Exploring Operation: 16-4=12, Resulting Numbers: [68, 12] Generated Node #0,1,1: 13:[68, 12] Operation: 16-4=12 Exploring Operation: 68/4=17, Resulting Numbers: [16, 17] Generated Node #0,1,2: 13:[16, 17] Operation: 68/4=17 Exploring Operation: 68-16=52, Resulting Numbers: [4, 52] Generated Node #0,1,3: 13:[4, 52] Operation: 68-16=52 Moving to Node #0,3 Current State: 13:[16, 70, 6], Operations: ['74-68=6'] Exploring Operation: 70-6=64, Resulting Numbers: [16, 64] Generated Node #0,3,0: 13:[16, 64] Operation: 70-6=64 Exploring Operation: 70-16=54, Resulting Numbers: [6, 54] Generated Node #0,3,1: 13:[6, 54] Operation: 70-16=54 Exploring Operation: 16+6=22, Resulting Numbers: [70, 22] Generated Node #0,3,2: 13:[70, 22] Operation: 16+6=22 Exploring Operation: 16-6=10, Resulting Numbers: [70, 10] Generated Node #0,3,3: 13:[70, 10] Operation: 16-6=10 Moving to Node #0,2 Current State: 13:[74, 16, 2], Operations: ['70-68=2'] Exploring Operation: 74-16=58, Resulting Numbers: [2, 58] Generated Node #0,2,0: 13:[2, 58] Operation: 74-16=58 Exploring Operation: 74/2=37, Resulting Numbers: [16, 37] Generated Node #0,2,1: 13:[16, 37] Operation: 74/2=37 Exploring Operation: 16-2=14, Resulting Numbers: [74, 14] Generated Node #0,2,2: 13:[74, 14] Operation: 16-2=14 Exploring Operation: 74-2=72, Resulting Numbers: [16, 72] Generated Node #0,2,3: 13:[16, 72] Operation: 74-2=72 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[16, 37], Operations: ['70-68=2', '74/2=37'] Exploring Operation: 16*37=592, Resulting Numbers: [592] 592,13 unequal: No Solution Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,13 unequal: No Solution Exploring Operation: 16+37=53, Resulting Numbers: [53] 53,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[2, 58], Operations: ['70-68=2', '74-16=58'] Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,13 unequal: No Solution Exploring Operation: 2*58=116, Resulting Numbers: [116] 116,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[74, 14], Operations: ['70-68=2', '16-2=14'] Exploring Operation: 74+14=88, Resulting Numbers: [88] 88,13 unequal: No Solution Exploring Operation: 74-14=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 74*14=1036, Resulting Numbers: [1036] 1036,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 13:[16, 72], Operations: ['70-68=2', '74-2=72'] Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,13 unequal: No Solution Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,13 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: 13:[68, 70, 58], Operations: ['74-16=58'] Exploring Operation: 68+70=138, Resulting Numbers: [58, 138] Generated Node #0,0,0: 13:[58, 138] Operation: 68+70=138 Exploring Operation: 70-58=12, Resulting Numbers: [68, 12] Generated Node #0,0,1: 13:[68, 12] Operation: 70-58=12 Exploring Operation: 68-58=10, Resulting Numbers: [70, 10] Generated Node #0,0,2: 13:[70, 10] Operation: 68-58=10 Exploring Operation: 70-68=2, Resulting Numbers: [58, 2] Generated Node #0,0,3: 13:[58, 2] Operation: 70-68=2 Moving to Node #0,1,2 Current State: 13:[16, 17], Operations: ['74-70=4', '68/4=17'] Exploring Operation: 16*17=272, Resulting Numbers: [272] 272,13 unequal: No Solution Exploring Operation: 16+17=33, Resulting Numbers: [33] 33,13 unequal: No Solution Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,13 unequal: No Solution Moving to Node #0,1,3 Current State: 13:[4, 52], Operations: ['74-70=4', '68-16=52'] Exploring Operation: 4*52=208, Resulting Numbers: [208] 208,13 unequal: No Solution Exploring Operation: 4+52=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[74, 16, 68, 70], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [16, 68, 4] Generated Node #0,1: 13:[16, 68, 4] Operation: 74-70=4 Moving to Node #0,1 Current State: 13:[16, 68, 4], Operations: ['74-70=4'] Exploring Operation: 68-16=52, Resulting Numbers: [4, 52] Generated Node #0,1,3: 13:[4, 52] Operation: 68-16=52 Moving to Node #0,1,3 Current State: 13:[4, 52], Operations: ['74-70=4', '68-16=52'] Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
0.962674
hs_4
sum_heuristic
[ 66, 33, 91, 74 ]
15
[ "66/33=2", "91-74=17", "17-2=15" ]
Current State: 15:[66, 33, 91, 74], Operations: [] Exploring Operation: 66/33=2, Resulting Numbers: [91, 74, 2] Generated Node #2: [91, 74, 2] from Operation: 66/33=2 Current State: 15:[91, 74, 2], Operations: ['66/33=2'] Exploring Operation: 91-74=17, Resulting Numbers: [2, 17] Generated Node #3: [2, 17] from Operation: 91-74=17 Current State: 15:[2, 17], Operations: ['66/33=2', '91-74=17'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[66, 33, 91, 74], Operations: [] Exploring Operation: 74-66=8, Resulting Numbers: [33, 91, 8] Generated Node #0,0: 15:[33, 91, 8] Operation: 74-66=8 Exploring Operation: 91-66=25, Resulting Numbers: [33, 74, 25] Generated Node #0,1: 15:[33, 74, 25] Operation: 91-66=25 Exploring Operation: 66/33=2, Resulting Numbers: [91, 74, 2] Generated Node #0,2: 15:[91, 74, 2] Operation: 66/33=2 Exploring Operation: 91-74=17, Resulting Numbers: [66, 33, 17] Generated Node #0,3: 15:[66, 33, 17] Operation: 91-74=17 Start Sub Search at level 1: Moving to Node #0,3 Current State: 15:[66, 33, 17], Operations: ['91-74=17'] Exploring Operation: 66-17=49, Resulting Numbers: [33, 49] Generated Node #0,3,0: 15:[33, 49] Operation: 66-17=49 Exploring Operation: 33-17=16, Resulting Numbers: [66, 16] Generated Node #0,3,1: 15:[66, 16] Operation: 33-17=16 Exploring Operation: 66/33=2, Resulting Numbers: [17, 2] Generated Node #0,3,2: 15:[17, 2] Operation: 66/33=2 Exploring Operation: 66-33=33, Resulting Numbers: [17, 33] Generated Node #0,3,3: 15:[17, 33] Operation: 66-33=33 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 15:[17, 2], Operations: ['91-74=17', '66/33=2'] Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,15 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[66, 33, 91, 74], Operations: [] Exploring Operation: 91-74=17, Resulting Numbers: [66, 33, 17] Generated Node #0,3: 15:[66, 33, 17] Operation: 91-74=17 Moving to Node #0,3 Current State: 15:[66, 33, 17], Operations: ['91-74=17'] Exploring Operation: 66/33=2, Resulting Numbers: [17, 2] Generated Node #0,3,2: 15:[17, 2] Operation: 66/33=2 Moving to Node #0,3,2 Current State: 15:[17, 2], Operations: ['91-74=17', '66/33=2'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 87, 28, 32, 91 ]
25
[ "91-87=4", "28/4=7", "32-7=25" ]
Current State: 25:[87, 28, 32, 91], Operations: [] Exploring Operation: 91-87=4, Resulting Numbers: [28, 32, 4] Generated Node #2: [28, 32, 4] from Operation: 91-87=4 Current State: 25:[28, 32, 4], Operations: ['91-87=4'] Exploring Operation: 28/4=7, Resulting Numbers: [32, 7] Generated Node #3: [32, 7] from Operation: 28/4=7 Current State: 25:[32, 7], Operations: ['91-87=4', '28/4=7'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[87, 28, 32, 91], Operations: [] Exploring Operation: 91-87=4, Resulting Numbers: [28, 32, 4] Generated Node #0,0: 25:[28, 32, 4] Operation: 91-87=4 Exploring Operation: 87-32=55, Resulting Numbers: [28, 91, 55] Generated Node #0,1: 25:[28, 91, 55] Operation: 87-32=55 Moving to Node #0,0 Current State: 25:[28, 32, 4], Operations: ['91-87=4'] Exploring Operation: 32-28=4, Resulting Numbers: [4, 4] Generated Node #0,0,0: 25:[4, 4] Operation: 32-28=4 Exploring Operation: 32-4=28, Resulting Numbers: [28, 28] Generated Node #0,0,1: 25:[28, 28] Operation: 32-4=28 Moving to Node #0,1 Current State: 25:[28, 91, 55], Operations: ['87-32=55'] Exploring Operation: 91-28=63, Resulting Numbers: [55, 63] Generated Node #0,1,0: 25:[55, 63] Operation: 91-28=63 Exploring Operation: 91-55=36, Resulting Numbers: [28, 36] Generated Node #0,1,1: 25:[28, 36] Operation: 91-55=36 Moving to Node #0,0,0 Current State: 25:[4, 4], Operations: ['91-87=4', '32-28=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[28, 28], Operations: ['91-87=4', '32-4=28'] Exploring Operation: 28-28=0, Resulting Numbers: [0] 0,25 unequal: No Solution Exploring Operation: 28/28=1, Resulting Numbers: [1] 1,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[28, 36], Operations: ['87-32=55', '91-55=36'] Exploring Operation: 28+36=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[55, 63], Operations: ['87-32=55', '91-28=63'] Exploring Operation: 63-55=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 55+63=118, Resulting Numbers: [118] 118,25 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 80, 32, 97, 2 ]
81
[ "97-80=17", "32*2=64", "17+64=81" ]
Current State: 81:[80, 32, 97, 2], Operations: [] Exploring Operation: 97-80=17, Resulting Numbers: [32, 2, 17] Generated Node #2: [32, 2, 17] from Operation: 97-80=17 Current State: 81:[32, 2, 17], Operations: ['97-80=17'] Exploring Operation: 32*2=64, Resulting Numbers: [17, 64] Generated Node #3: [17, 64] from Operation: 32*2=64 Current State: 81:[17, 64], Operations: ['97-80=17', '32*2=64'] Exploring Operation: 17+64=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[80, 32, 97, 2], Operations: [] Exploring Operation: 97-2=95, Resulting Numbers: [80, 32, 95] Generated Node #0,0: 81:[80, 32, 95] Operation: 97-2=95 Exploring Operation: 97-32=65, Resulting Numbers: [80, 2, 65] Generated Node #0,1: 81:[80, 2, 65] Operation: 97-32=65 Exploring Operation: 32-2=30, Resulting Numbers: [80, 97, 30] Generated Node #0,2: 81:[80, 97, 30] Operation: 32-2=30 Exploring Operation: 97-80=17, Resulting Numbers: [32, 2, 17] Generated Node #0,3: 81:[32, 2, 17] Operation: 97-80=17 Moving to Node #0,3 Current State: 81:[32, 2, 17], Operations: ['97-80=17'] Exploring Operation: 17-2=15, Resulting Numbers: [32, 15] Generated Node #0,3,0: 81:[32, 15] Operation: 17-2=15 Exploring Operation: 32-17=15, Resulting Numbers: [2, 15] Generated Node #0,3,1: 81:[2, 15] Operation: 32-17=15 Exploring Operation: 2*17=34, Resulting Numbers: [32, 34] Generated Node #0,3,2: 81:[32, 34] Operation: 2*17=34 Exploring Operation: 32-2=30, Resulting Numbers: [17, 30] Generated Node #0,3,3: 81:[17, 30] Operation: 32-2=30 Moving to Node #0,1 Current State: 81:[80, 2, 65], Operations: ['97-32=65'] Exploring Operation: 80+2=82, Resulting Numbers: [65, 82] Generated Node #0,1,0: 81:[65, 82] Operation: 80+2=82 Exploring Operation: 80-65=15, Resulting Numbers: [2, 15] Generated Node #0,1,1: 81:[2, 15] Operation: 80-65=15 Exploring Operation: 80-2=78, Resulting Numbers: [65, 78] Generated Node #0,1,2: 81:[65, 78] Operation: 80-2=78 Exploring Operation: 2+65=67, Resulting Numbers: [80, 67] Generated Node #0,1,3: 81:[80, 67] Operation: 2+65=67 Moving to Node #0,2 Current State: 81:[80, 97, 30], Operations: ['32-2=30'] Exploring Operation: 80+30=110, Resulting Numbers: [97, 110] Generated Node #0,2,0: 81:[97, 110] Operation: 80+30=110 Exploring Operation: 97-30=67, Resulting Numbers: [80, 67] Generated Node #0,2,1: 81:[80, 67] Operation: 97-30=67 Exploring Operation: 97-80=17, Resulting Numbers: [30, 17] Generated Node #0,2,2: 81:[30, 17] Operation: 97-80=17 Exploring Operation: 80-30=50, Resulting Numbers: [97, 50] Generated Node #0,2,3: 81:[97, 50] Operation: 80-30=50 Moving to Node #0,0 Current State: 81:[80, 32, 95], Operations: ['97-2=95'] Exploring Operation: 80-32=48, Resulting Numbers: [95, 48] Generated Node #0,0,0: 81:[95, 48] Operation: 80-32=48 Exploring Operation: 95-32=63, Resulting Numbers: [80, 63] Generated Node #0,0,1: 81:[80, 63] Operation: 95-32=63 Exploring Operation: 80+32=112, Resulting Numbers: [95, 112] Generated Node #0,0,2: 81:[95, 112] Operation: 80+32=112 Exploring Operation: 95-80=15, Resulting Numbers: [32, 15] Generated Node #0,0,3: 81:[32, 15] Operation: 95-80=15 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 81:[32, 15], Operations: ['97-2=95', '95-80=15'] Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,81 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,81 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[80, 63], Operations: ['97-2=95', '95-32=63'] Exploring Operation: 80-63=17, Resulting Numbers: [17] 17,81 unequal: No Solution Exploring Operation: 80*63=5040, Resulting Numbers: [5040] 5040,81 unequal: No Solution Exploring Operation: 80+63=143, Resulting Numbers: [143] 143,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[95, 48], Operations: ['97-2=95', '80-32=48'] Exploring Operation: 95-48=47, Resulting Numbers: [47] 47,81 unequal: No Solution Exploring Operation: 95*48=4560, Resulting Numbers: [4560] 4560,81 unequal: No Solution Exploring Operation: 95+48=143, Resulting Numbers: [143] 143,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[95, 112], Operations: ['97-2=95', '80+32=112'] Exploring Operation: 95+112=207, Resulting Numbers: [207] 207,81 unequal: No Solution Exploring Operation: 112-95=17, Resulting Numbers: [17] 17,81 unequal: No Solution Exploring Operation: 95*112=10640, Resulting Numbers: [10640] 10640,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 81:[2, 15], Operations: ['97-80=17', '32-17=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,81 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[2, 15], Operations: ['97-32=65', '80-65=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,81 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,81 unequal: No Solution Moving to Node #0,3,3 Current State: 81:[17, 30], Operations: ['97-80=17', '32-2=30'] Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 17+30=47, Resulting Numbers: [47] 47,81 unequal: No Solution Exploring Operation: 17*30=510, Resulting Numbers: [510] 510,81 unequal: No Solution Moving to Node #0,3,0 Current State: 81:[32, 15], Operations: ['97-80=17', '17-2=15'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,81 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,81 unequal: No Solution Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[30, 17], Operations: ['32-2=30', '97-80=17'] Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 30*17=510, Resulting Numbers: [510] 510,81 unequal: No Solution Exploring Operation: 30+17=47, Resulting Numbers: [47] 47,81 unequal: No Solution Moving to Node #0,3,2 Current State: 81:[32, 34], Operations: ['97-80=17', '2*17=34'] Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,81 unequal: No Solution Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[80, 67], Operations: ['97-32=65', '2+65=67'] Exploring Operation: 80*67=5360, Resulting Numbers: [5360] 5360,81 unequal: No Solution Exploring Operation: 80-67=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 80+67=147, Resulting Numbers: [147] 147,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[80, 67], Operations: ['32-2=30', '97-30=67'] Exploring Operation: 80+67=147, Resulting Numbers: [147] 147,81 unequal: No Solution Exploring Operation: 80-67=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 80*67=5360, Resulting Numbers: [5360] 5360,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[65, 82], Operations: ['97-32=65', '80+2=82'] Exploring Operation: 65+82=147, Resulting Numbers: [147] 147,81 unequal: No Solution Exploring Operation: 65*82=5330, Resulting Numbers: [5330] 5330,81 unequal: No Solution Exploring Operation: 82-65=17, Resulting Numbers: [17] 17,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[65, 78], Operations: ['97-32=65', '80-2=78'] Exploring Operation: 65*78=5070, Resulting Numbers: [5070] 5070,81 unequal: No Solution Exploring Operation: 65+78=143, Resulting Numbers: [143] 143,81 unequal: No Solution Exploring Operation: 78-65=13, Resulting Numbers: [13] 13,81 unequal: No Solution Moving to Node #0,2,3 Current State: 81:[97, 50], Operations: ['32-2=30', '80-30=50'] Exploring Operation: 97+50=147, Resulting Numbers: [147] 147,81 unequal: No Solution Exploring Operation: 97*50=4850, Resulting Numbers: [4850] 4850,81 unequal: No Solution Exploring Operation: 97-50=47, Resulting Numbers: [47] 47,81 unequal: No Solution Moving to Node #0,2,0 Current State: 81:[97, 110], Operations: ['32-2=30', '80+30=110'] Exploring Operation: 97*110=10670, Resulting Numbers: [10670] 10670,81 unequal: No Solution Exploring Operation: 110-97=13, Resulting Numbers: [13] 13,81 unequal: No Solution Exploring Operation: 97+110=207, Resulting Numbers: [207] 207,81 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 53, 45, 6, 45 ]
38
[ "45+45=90", "90/6=15", "53-15=38" ]
Current State: 38:[53, 45, 6, 45], Operations: [] Exploring Operation: 45+45=90, Resulting Numbers: [53, 6, 90] Generated Node #2: [53, 6, 90] from Operation: 45+45=90 Current State: 38:[53, 6, 90], Operations: ['45+45=90'] Exploring Operation: 90/6=15, Resulting Numbers: [53, 15] Generated Node #3: [53, 15] from Operation: 90/6=15 Current State: 38:[53, 15], Operations: ['45+45=90', '90/6=15'] Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[53, 45, 6, 45], Operations: [] Exploring Operation: 53-45=8, Resulting Numbers: [6, 45, 8] Generated Node #0,0: 38:[6, 45, 8] Operation: 53-45=8 Moving to Node #0,0 Current State: 38:[6, 45, 8], Operations: ['53-45=8'] Exploring Operation: 45-8=37, Resulting Numbers: [6, 37] Generated Node #0,0,0: 38:[6, 37] Operation: 45-8=37 Moving to Node #0,0,0 Current State: 38:[6, 37], Operations: ['53-45=8', '45-8=37'] Exploring Operation: 6+37=43, Resulting Numbers: [43] 43,38 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 74, 88, 85, 59 ]
51
[ "85-74=11", "88/11=8", "59-8=51" ]
Current State: 51:[74, 88, 85, 59], Operations: [] Exploring Operation: 85-74=11, Resulting Numbers: [88, 59, 11] Generated Node #2: [88, 59, 11] from Operation: 85-74=11 Current State: 51:[88, 59, 11], Operations: ['85-74=11'] Exploring Operation: 88/11=8, Resulting Numbers: [59, 8] Generated Node #3: [59, 8] from Operation: 88/11=8 Current State: 51:[59, 8], Operations: ['85-74=11', '88/11=8'] Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[74, 88, 85, 59], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [74, 59, 3] Generated Node #0,0: 51:[74, 59, 3] Operation: 88-85=3 Exploring Operation: 88-74=14, Resulting Numbers: [85, 59, 14] Generated Node #0,1: 51:[85, 59, 14] Operation: 88-74=14 Moving to Node #0,0 Current State: 51:[74, 59, 3], Operations: ['88-85=3'] Exploring Operation: 74-3=71, Resulting Numbers: [59, 71] Generated Node #0,0,0: 51:[59, 71] Operation: 74-3=71 Exploring Operation: 74-59=15, Resulting Numbers: [3, 15] Generated Node #0,0,1: 51:[3, 15] Operation: 74-59=15 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[3, 15], Operations: ['88-85=3', '74-59=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,51 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,51 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 #0,0,0 Current State: 51:[59, 71], Operations: ['88-85=3', '74-3=71'] Exploring Operation: 71-59=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 59+71=130, Resulting Numbers: [130] 130,51 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: 51:[85, 59, 14], Operations: ['88-74=14'] Exploring Operation: 85-14=71, Resulting Numbers: [59, 71] Generated Node #0,1,0: 51:[59, 71] Operation: 85-14=71 Exploring Operation: 85-59=26, Resulting Numbers: [14, 26] Generated Node #0,1,1: 51:[14, 26] Operation: 85-59=26 Moving to Node #0,1,1 Current State: 51:[14, 26], Operations: ['88-74=14', '85-59=26'] Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[59, 71], Operations: ['88-74=14', '85-14=71'] Exploring Operation: 71-59=12, Resulting Numbers: [12] 12,51 unequal: No Solution Exploring Operation: 59+71=130, Resulting Numbers: [130] 130,51 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 34, 37, 97, 20 ]
95
[ "37-20=17", "34/17=2", "97-2=95" ]
Current State: 95:[34, 37, 97, 20], Operations: [] Exploring Operation: 37-20=17, Resulting Numbers: [34, 97, 17] Generated Node #2: [34, 97, 17] from Operation: 37-20=17 Current State: 95:[34, 97, 17], Operations: ['37-20=17'] Exploring Operation: 34/17=2, Resulting Numbers: [97, 2] Generated Node #3: [97, 2] from Operation: 34/17=2 Current State: 95:[97, 2], Operations: ['37-20=17', '34/17=2'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[34, 37, 97, 20], Operations: [] Exploring Operation: 34+37=71, Resulting Numbers: [97, 20, 71] Generated Node #0,0: 95:[97, 20, 71] Operation: 34+37=71 Exploring Operation: 34-20=14, Resulting Numbers: [37, 97, 14] Generated Node #0,1: 95:[37, 97, 14] Operation: 34-20=14 Exploring Operation: 37-34=3, Resulting Numbers: [97, 20, 3] Generated Node #0,2: 95:[97, 20, 3] Operation: 37-34=3 Exploring Operation: 37-20=17, Resulting Numbers: [34, 97, 17] Generated Node #0,3: 95:[34, 97, 17] Operation: 37-20=17 Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[97, 20, 3], Operations: ['37-34=3'] Exploring Operation: 20+3=23, Resulting Numbers: [97, 23] Generated Node #0,2,0: 95:[97, 23] Operation: 20+3=23 Exploring Operation: 97+3=100, Resulting Numbers: [20, 100] Generated Node #0,2,1: 95:[20, 100] Operation: 97+3=100 Exploring Operation: 20-3=17, Resulting Numbers: [97, 17] Generated Node #0,2,2: 95:[97, 17] Operation: 20-3=17 Exploring Operation: 97-3=94, Resulting Numbers: [20, 94] Generated Node #0,2,3: 95:[20, 94] Operation: 97-3=94 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 95:[20, 94], Operations: ['37-34=3', '97-3=94'] Exploring Operation: 94-20=74, Resulting Numbers: [74] 74,95 unequal: No Solution Exploring Operation: 20*94=1880, Resulting Numbers: [1880] 1880,95 unequal: No Solution Exploring Operation: 20+94=114, Resulting Numbers: [114] 114,95 unequal: No Solution No 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: 95:[97, 17], Operations: ['37-34=3', '20-3=17'] Exploring Operation: 97-17=80, Resulting Numbers: [80] 80,95 unequal: No Solution Exploring Operation: 97+17=114, Resulting Numbers: [114] 114,95 unequal: No Solution Exploring Operation: 97*17=1649, Resulting Numbers: [1649] 1649,95 unequal: No Solution No 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: 95:[97, 23], Operations: ['37-34=3', '20+3=23'] Exploring Operation: 97-23=74, Resulting Numbers: [74] 74,95 unequal: No Solution Exploring Operation: 97*23=2231, Resulting Numbers: [2231] 2231,95 unequal: No Solution Exploring Operation: 97+23=120, Resulting Numbers: [120] 120,95 unequal: No Solution No 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: 95:[20, 100], Operations: ['37-34=3', '97+3=100'] Exploring Operation: 20*100=2000, Resulting Numbers: [2000] 2000,95 unequal: No Solution Exploring Operation: 100/20=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 20+100=120, Resulting Numbers: [120] 120,95 unequal: No Solution Exploring Operation: 100-20=80, Resulting Numbers: [80] 80,95 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: 95:[34, 97, 17], Operations: ['37-20=17'] Exploring Operation: 97-34=63, Resulting Numbers: [17, 63] Generated Node #0,3,0: 95:[17, 63] Operation: 97-34=63 Exploring Operation: 97-17=80, Resulting Numbers: [34, 80] Generated Node #0,3,1: 95:[34, 80] Operation: 97-17=80 Exploring Operation: 34/17=2, Resulting Numbers: [97, 2] Generated Node #0,3,2: 95:[97, 2] Operation: 34/17=2 Exploring Operation: 34-17=17, Resulting Numbers: [97, 17] Generated Node #0,3,3: 95:[97, 17] Operation: 34-17=17 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 95:[97, 17], Operations: ['37-20=17', '34-17=17'] Exploring Operation: 97*17=1649, Resulting Numbers: [1649] 1649,95 unequal: No Solution Exploring Operation: 97-17=80, Resulting Numbers: [80] 80,95 unequal: No Solution Exploring Operation: 97+17=114, Resulting Numbers: [114] 114,95 unequal: No Solution No 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: 95:[97, 2], Operations: ['37-20=17', '34/17=2'] Exploring Operation: 97*2=194, Resulting Numbers: [194] 194,95 unequal: No Solution Exploring Operation: 97+2=99, Resulting Numbers: [99] 99,95 unequal: No Solution Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[34, 37, 97, 20], Operations: [] Exploring Operation: 37-20=17, Resulting Numbers: [34, 97, 17] Generated Node #0,3: 95:[34, 97, 17] Operation: 37-20=17 Moving to Node #0,3 Current State: 95:[34, 97, 17], Operations: ['37-20=17'] Exploring Operation: 34/17=2, Resulting Numbers: [97, 2] Generated Node #0,3,2: 95:[97, 2] Operation: 34/17=2 Moving to Node #0,3,2 Current State: 95:[97, 2], Operations: ['37-20=17', '34/17=2'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_4
mult_heuristic
[ 39, 94, 78, 75 ]
52
[ "94-39=55", "78-75=3", "55-3=52" ]
Current State: 52:[39, 94, 78, 75], Operations: [] Exploring Operation: 94-39=55, Resulting Numbers: [78, 75, 55] Generated Node #2: [78, 75, 55] from Operation: 94-39=55 Current State: 52:[78, 75, 55], Operations: ['94-39=55'] Exploring Operation: 78-75=3, Resulting Numbers: [55, 3] Generated Node #3: [55, 3] from Operation: 78-75=3 Current State: 52:[55, 3], Operations: ['94-39=55', '78-75=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[39, 94, 78, 75], Operations: [] Exploring Operation: 94-78=16, Resulting Numbers: [39, 75, 16] Generated Node #0,0: 52:[39, 75, 16] Operation: 94-78=16 Exploring Operation: 94-39=55, Resulting Numbers: [78, 75, 55] Generated Node #0,1: 52:[78, 75, 55] Operation: 94-39=55 Exploring Operation: 94-75=19, Resulting Numbers: [39, 78, 19] Generated Node #0,2: 52:[39, 78, 19] Operation: 94-75=19 Moving to Node #0,0 Current State: 52:[39, 75, 16], Operations: ['94-78=16'] Exploring Operation: 75-39=36, Resulting Numbers: [16, 36] Generated Node #0,0,0: 52:[16, 36] Operation: 75-39=36 Exploring Operation: 39+16=55, Resulting Numbers: [75, 55] Generated Node #0,0,1: 52:[75, 55] Operation: 39+16=55 Exploring Operation: 75-16=59, Resulting Numbers: [39, 59] Generated Node #0,0,2: 52:[39, 59] Operation: 75-16=59 Moving to Node #0,2 Current State: 52:[39, 78, 19], Operations: ['94-75=19'] Exploring Operation: 78-19=59, Resulting Numbers: [39, 59] Generated Node #0,2,0: 52:[39, 59] Operation: 78-19=59 Exploring Operation: 78-39=39, Resulting Numbers: [19, 39] Generated Node #0,2,1: 52:[19, 39] Operation: 78-39=39 Exploring Operation: 78/39=2, Resulting Numbers: [19, 2] Generated Node #0,2,2: 52:[19, 2] Operation: 78/39=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[19, 2], Operations: ['94-75=19', '78/39=2'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,52 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,52 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:[19, 39], Operations: ['94-75=19', '78-39=39'] Exploring Operation: 19+39=58, Resulting Numbers: [58] 58,52 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 19*39=741, Resulting Numbers: [741] 741,52 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:[39, 59], Operations: ['94-75=19', '78-19=59'] Exploring Operation: 39+59=98, Resulting Numbers: [98] 98,52 unequal: No Solution Exploring Operation: 39*59=2301, Resulting Numbers: [2301] 2301,52 unequal: No Solution Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 52:[78, 75, 55], Operations: ['94-39=55'] Exploring Operation: 78-75=3, Resulting Numbers: [55, 3] Generated Node #0,1,0: 52:[55, 3] Operation: 78-75=3 Exploring Operation: 78-55=23, Resulting Numbers: [75, 23] Generated Node #0,1,1: 52:[75, 23] Operation: 78-55=23 Exploring Operation: 75-55=20, Resulting Numbers: [78, 20] Generated Node #0,1,2: 52:[78, 20] Operation: 75-55=20 Moving to Node #0,1,0 Current State: 52:[55, 3], Operations: ['94-39=55', '78-75=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[39, 94, 78, 75], Operations: [] Exploring Operation: 94-39=55, Resulting Numbers: [78, 75, 55] Generated Node #0,1: 52:[78, 75, 55] Operation: 94-39=55 Moving to Node #0,1 Current State: 52:[78, 75, 55], Operations: ['94-39=55'] Exploring Operation: 78-75=3, Resulting Numbers: [55, 3] Generated Node #0,1,0: 52:[55, 3] Operation: 78-75=3 Moving to Node #0,1,0 Current State: 52:[55, 3], Operations: ['94-39=55', '78-75=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.977431
hs_3
sum_heuristic
[ 17, 11, 46, 31 ]
90
[ "17-11=6", "46-31=15", "6*15=90" ]
Current State: 90:[17, 11, 46, 31], Operations: [] Exploring Operation: 17-11=6, Resulting Numbers: [46, 31, 6] Generated Node #2: [46, 31, 6] from Operation: 17-11=6 Current State: 90:[46, 31, 6], Operations: ['17-11=6'] Exploring Operation: 46-31=15, Resulting Numbers: [6, 15] Generated Node #3: [6, 15] from Operation: 46-31=15 Current State: 90:[6, 15], Operations: ['17-11=6', '46-31=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[17, 11, 46, 31], Operations: [] Exploring Operation: 17-11=6, Resulting Numbers: [46, 31, 6] Generated Node #0,0: 90:[46, 31, 6] Operation: 17-11=6 Exploring Operation: 46-31=15, Resulting Numbers: [17, 11, 15] Generated Node #0,1: 90:[17, 11, 15] Operation: 46-31=15 Exploring Operation: 46-17=29, Resulting Numbers: [11, 31, 29] Generated Node #0,2: 90:[11, 31, 29] Operation: 46-17=29 Exploring Operation: 31-17=14, Resulting Numbers: [11, 46, 14] Generated Node #0,3: 90:[11, 46, 14] Operation: 31-17=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[46, 31, 6], Operations: ['17-11=6'] Exploring Operation: 46-6=40, Resulting Numbers: [31, 40] Generated Node #0,0,0: 90:[31, 40] Operation: 46-6=40 Exploring Operation: 31-6=25, Resulting Numbers: [46, 25] Generated Node #0,0,1: 90:[46, 25] Operation: 31-6=25 Exploring Operation: 46-31=15, Resulting Numbers: [6, 15] Generated Node #0,0,2: 90:[6, 15] Operation: 46-31=15 Exploring Operation: 46+6=52, Resulting Numbers: [31, 52] Generated Node #0,0,3: 90:[31, 52] Operation: 46+6=52 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[6, 15], Operations: ['17-11=6', '46-31=15'] Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[17, 11, 46, 31], Operations: [] Exploring Operation: 17-11=6, Resulting Numbers: [46, 31, 6] Generated Node #0,0: 90:[46, 31, 6] Operation: 17-11=6 Moving to Node #0,0 Current State: 90:[46, 31, 6], Operations: ['17-11=6'] Exploring Operation: 46-31=15, Resulting Numbers: [6, 15] Generated Node #0,0,2: 90:[6, 15] Operation: 46-31=15 Moving to Node #0,0,2 Current State: 90:[6, 15], Operations: ['17-11=6', '46-31=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 68, 19, 70, 96 ]
23
[ "68-19=49", "96-70=26", "49-26=23" ]
Current State: 23:[68, 19, 70, 96], Operations: [] Exploring Operation: 68-19=49, Resulting Numbers: [70, 96, 49] Generated Node #2: [70, 96, 49] from Operation: 68-19=49 Current State: 23:[70, 96, 49], Operations: ['68-19=49'] Exploring Operation: 96-70=26, Resulting Numbers: [49, 26] Generated Node #3: [49, 26] from Operation: 96-70=26 Current State: 23:[49, 26], Operations: ['68-19=49', '96-70=26'] Exploring Operation: 49-26=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[68, 19, 70, 96], Operations: [] Exploring Operation: 96-70=26, Resulting Numbers: [68, 19, 26] Generated Node #0,0: 23:[68, 19, 26] Operation: 96-70=26 Exploring Operation: 96-68=28, Resulting Numbers: [19, 70, 28] Generated Node #0,1: 23:[19, 70, 28] Operation: 96-68=28 Moving to Node #0,0 Current State: 23:[68, 19, 26], Operations: ['96-70=26'] Exploring Operation: 68-26=42, Resulting Numbers: [19, 42] Generated Node #0,0,0: 23:[19, 42] Operation: 68-26=42 Exploring Operation: 68-19=49, Resulting Numbers: [26, 49] Generated Node #0,0,1: 23:[26, 49] Operation: 68-19=49 Moving to Node #0,1 Current State: 23:[19, 70, 28], Operations: ['96-68=28'] Exploring Operation: 70-28=42, Resulting Numbers: [19, 42] Generated Node #0,1,0: 23:[19, 42] Operation: 70-28=42 Exploring Operation: 70-19=51, Resulting Numbers: [28, 51] Generated Node #0,1,1: 23:[28, 51] Operation: 70-19=51 Moving to Node #0,0,0 Current State: 23:[19, 42], Operations: ['96-70=26', '68-26=42'] Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[68, 19, 70, 96], Operations: [] Exploring Operation: 96-70=26, Resulting Numbers: [68, 19, 26] Generated Node #0,0: 23:[68, 19, 26] Operation: 96-70=26 Moving to Node #0,0 Current State: 23:[68, 19, 26], Operations: ['96-70=26'] Exploring Operation: 68-26=42, Resulting Numbers: [19, 42] Generated Node #0,0,0: 23:[19, 42] Operation: 68-26=42 Moving to Node #0,0,0 Current State: 23:[19, 42], Operations: ['96-70=26', '68-26=42'] Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 15, 37, 83, 14 ]
91
[ "37-15=22", "83-14=69", "22+69=91" ]
Current State: 91:[15, 37, 83, 14], Operations: [] Exploring Operation: 37-15=22, Resulting Numbers: [83, 14, 22] Generated Node #2: [83, 14, 22] from Operation: 37-15=22 Current State: 91:[83, 14, 22], Operations: ['37-15=22'] Exploring Operation: 83-14=69, Resulting Numbers: [22, 69] Generated Node #3: [22, 69] from Operation: 83-14=69 Current State: 91:[22, 69], Operations: ['37-15=22', '83-14=69'] Exploring Operation: 22+69=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[15, 37, 83, 14], Operations: [] Exploring Operation: 37-14=23, Resulting Numbers: [15, 83, 23] Generated Node #0,0: 91:[15, 83, 23] Operation: 37-14=23 Exploring Operation: 37-15=22, Resulting Numbers: [83, 14, 22] Generated Node #0,1: 91:[83, 14, 22] Operation: 37-15=22 Exploring Operation: 15+83=98, Resulting Numbers: [37, 14, 98] Generated Node #0,2: 91:[37, 14, 98] Operation: 15+83=98 Exploring Operation: 83+14=97, Resulting Numbers: [15, 37, 97] Generated Node #0,3: 91:[15, 37, 97] Operation: 83+14=97 Exploring Operation: 37+83=120, Resulting Numbers: [15, 14, 120] Generated Node #0,4: 91:[15, 14, 120] Operation: 37+83=120 Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[83, 14, 22], Operations: ['37-15=22'] Exploring Operation: 83+22=105, Resulting Numbers: [14, 105] Generated Node #0,1,0: 91:[14, 105] Operation: 83+22=105 Exploring Operation: 22-14=8, Resulting Numbers: [83, 8] Generated Node #0,1,1: 91:[83, 8] Operation: 22-14=8 Exploring Operation: 83+14=97, Resulting Numbers: [22, 97] Generated Node #0,1,2: 91:[22, 97] Operation: 83+14=97 Exploring Operation: 83-14=69, Resulting Numbers: [22, 69] Generated Node #0,1,3: 91:[22, 69] Operation: 83-14=69 Exploring Operation: 83-22=61, Resulting Numbers: [14, 61] Generated Node #0,1,4: 91:[14, 61] Operation: 83-22=61 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 91:[83, 8], Operations: ['37-15=22', '22-14=8'] Exploring Operation: 83*8=664, Resulting Numbers: [664] 664,91 unequal: No Solution Exploring Operation: 83-8=75, Resulting Numbers: [75] 75,91 unequal: No Solution Exploring Operation: 83+8=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[15, 37, 83, 14], Operations: [] Exploring Operation: 37-15=22, Resulting Numbers: [83, 14, 22] Generated Node #0,1: 91:[83, 14, 22] Operation: 37-15=22 Moving to Node #0,1 Current State: 91:[83, 14, 22], Operations: ['37-15=22'] Exploring Operation: 22-14=8, Resulting Numbers: [83, 8] Generated Node #0,1,1: 91:[83, 8] Operation: 22-14=8 Moving to Node #0,1,1 Current State: 91:[83, 8], Operations: ['37-15=22', '22-14=8'] Exploring Operation: 83+8=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 62, 84, 45, 10 ]
91
[ "62+84=146", "45+10=55", "146-55=91" ]
Current State: 91:[62, 84, 45, 10], Operations: [] Exploring Operation: 62+84=146, Resulting Numbers: [45, 10, 146] Generated Node #2: [45, 10, 146] from Operation: 62+84=146 Current State: 91:[45, 10, 146], Operations: ['62+84=146'] Exploring Operation: 45+10=55, Resulting Numbers: [146, 55] Generated Node #3: [146, 55] from Operation: 45+10=55 Current State: 91:[146, 55], Operations: ['62+84=146', '45+10=55'] Exploring Operation: 146-55=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[62, 84, 45, 10], Operations: [] Exploring Operation: 84-45=39, Resulting Numbers: [62, 10, 39] Generated Node #0,0: 91:[62, 10, 39] Operation: 84-45=39 Exploring Operation: 62+10=72, Resulting Numbers: [84, 45, 72] Generated Node #0,1: 91:[84, 45, 72] Operation: 62+10=72 Exploring Operation: 62-45=17, Resulting Numbers: [84, 10, 17] Generated Node #0,2: 91:[84, 10, 17] Operation: 62-45=17 Exploring Operation: 84-62=22, Resulting Numbers: [45, 10, 22] Generated Node #0,3: 91:[45, 10, 22] Operation: 84-62=22 Exploring Operation: 62+45=107, Resulting Numbers: [84, 10, 107] Generated Node #0,4: 91:[84, 10, 107] Operation: 62+45=107 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[84, 10, 17], Operations: ['62-45=17'] Exploring Operation: 10+17=27, Resulting Numbers: [84, 27] Generated Node #0,2,0: 91:[84, 27] Operation: 10+17=27 Exploring Operation: 17-10=7, Resulting Numbers: [84, 7] Generated Node #0,2,1: 91:[84, 7] Operation: 17-10=7 Exploring Operation: 84+10=94, Resulting Numbers: [17, 94] Generated Node #0,2,2: 91:[17, 94] Operation: 84+10=94 Exploring Operation: 84+17=101, Resulting Numbers: [10, 101] Generated Node #0,2,3: 91:[10, 101] Operation: 84+17=101 Exploring Operation: 84-10=74, Resulting Numbers: [17, 74] Generated Node #0,2,4: 91:[17, 74] Operation: 84-10=74 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 91:[84, 7], Operations: ['62-45=17', '17-10=7'] Exploring Operation: 84*7=588, Resulting Numbers: [588] 588,91 unequal: No Solution Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,91 unequal: No Solution Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[62, 84, 45, 10], Operations: [] Exploring Operation: 62-45=17, Resulting Numbers: [84, 10, 17] Generated Node #0,2: 91:[84, 10, 17] Operation: 62-45=17 Moving to Node #0,2 Current State: 91:[84, 10, 17], Operations: ['62-45=17'] Exploring Operation: 17-10=7, Resulting Numbers: [84, 7] Generated Node #0,2,1: 91:[84, 7] Operation: 17-10=7 Moving to Node #0,2,1 Current State: 91:[84, 7], Operations: ['62-45=17', '17-10=7'] Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 24, 38, 66, 51 ]
47
[ "24+38=62", "66-51=15", "62-15=47" ]
Current State: 47:[24, 38, 66, 51], Operations: [] Exploring Operation: 24+38=62, Resulting Numbers: [66, 51, 62] Generated Node #2: [66, 51, 62] from Operation: 24+38=62 Current State: 47:[66, 51, 62], Operations: ['24+38=62'] Exploring Operation: 66-51=15, Resulting Numbers: [62, 15] Generated Node #3: [62, 15] from Operation: 66-51=15 Current State: 47:[62, 15], Operations: ['24+38=62', '66-51=15'] Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[24, 38, 66, 51], Operations: [] Exploring Operation: 66-24=42, Resulting Numbers: [38, 51, 42] Generated Node #0,0: 47:[38, 51, 42] Operation: 66-24=42 Exploring Operation: 24+38=62, Resulting Numbers: [66, 51, 62] Generated Node #0,1: 47:[66, 51, 62] Operation: 24+38=62 Exploring Operation: 51-24=27, Resulting Numbers: [38, 66, 27] Generated Node #0,2: 47:[38, 66, 27] Operation: 51-24=27 Exploring Operation: 66-38=28, Resulting Numbers: [24, 51, 28] Generated Node #0,3: 47:[24, 51, 28] Operation: 66-38=28 Moving to Node #0,0 Current State: 47:[38, 51, 42], Operations: ['66-24=42'] Exploring Operation: 51-38=13, Resulting Numbers: [42, 13] Generated Node #0,0,0: 47:[42, 13] Operation: 51-38=13 Exploring Operation: 38+42=80, Resulting Numbers: [51, 80] Generated Node #0,0,1: 47:[51, 80] Operation: 38+42=80 Exploring Operation: 42-38=4, Resulting Numbers: [51, 4] Generated Node #0,0,2: 47:[51, 4] Operation: 42-38=4 Exploring Operation: 38+51=89, Resulting Numbers: [42, 89] Generated Node #0,0,3: 47:[42, 89] Operation: 38+51=89 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[51, 80], Operations: ['66-24=42', '38+42=80'] Exploring Operation: 51*80=4080, Resulting Numbers: [4080] 4080,47 unequal: No Solution Exploring Operation: 51+80=131, Resulting Numbers: [131] 131,47 unequal: No Solution Exploring Operation: 80-51=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 #0,0,0 Current State: 47:[42, 13], Operations: ['66-24=42', '51-38=13'] Exploring Operation: 42*13=546, Resulting Numbers: [546] 546,47 unequal: No Solution Exploring Operation: 42+13=55, Resulting Numbers: [55] 55,47 unequal: No Solution Exploring Operation: 42-13=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 #0,0,2 Current State: 47:[51, 4], Operations: ['66-24=42', '42-38=4'] Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,47 unequal: No Solution Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,47 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[24, 38, 66, 51], Operations: [] Exploring Operation: 66-24=42, Resulting Numbers: [38, 51, 42] Generated Node #0,0: 47:[38, 51, 42] Operation: 66-24=42 Moving to Node #0,0 Current State: 47:[38, 51, 42], Operations: ['66-24=42'] Exploring Operation: 42-38=4, Resulting Numbers: [51, 4] Generated Node #0,0,2: 47:[51, 4] Operation: 42-38=4 Moving to Node #0,0,2 Current State: 47:[51, 4], Operations: ['66-24=42', '42-38=4'] Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 10, 80, 91, 37 ]
73
[ "91-80=11", "10*11=110", "110-37=73" ]
Current State: 73:[10, 80, 91, 37], Operations: [] Exploring Operation: 91-80=11, Resulting Numbers: [10, 37, 11] Generated Node #2: [10, 37, 11] from Operation: 91-80=11 Current State: 73:[10, 37, 11], Operations: ['91-80=11'] Exploring Operation: 10*11=110, Resulting Numbers: [37, 110] Generated Node #3: [37, 110] from Operation: 10*11=110 Current State: 73:[37, 110], Operations: ['91-80=11', '10*11=110'] Exploring Operation: 110-37=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[10, 80, 91, 37], Operations: [] Exploring Operation: 10+37=47, Resulting Numbers: [80, 91, 47] Generated Node #0,0: 73:[80, 91, 47] Operation: 10+37=47 Exploring Operation: 91-10=81, Resulting Numbers: [80, 37, 81] Generated Node #0,1: 73:[80, 37, 81] Operation: 91-10=81 Moving to Node #0,0 Current State: 73:[80, 91, 47], Operations: ['10+37=47'] Exploring Operation: 80-47=33, Resulting Numbers: [91, 33] Generated Node #0,0,0: 73:[91, 33] Operation: 80-47=33 Exploring Operation: 91-47=44, Resulting Numbers: [80, 44] Generated Node #0,0,1: 73:[80, 44] Operation: 91-47=44 Moving to Node #0,1 Current State: 73:[80, 37, 81], Operations: ['91-10=81'] Exploring Operation: 80-37=43, Resulting Numbers: [81, 43] Generated Node #0,1,0: 73:[81, 43] Operation: 80-37=43 Exploring Operation: 81-37=44, Resulting Numbers: [80, 44] Generated Node #0,1,1: 73:[80, 44] Operation: 81-37=44 Moving to Node #0,0,1 Current State: 73:[80, 44], Operations: ['10+37=47', '91-47=44'] Exploring Operation: 80+44=124, Resulting Numbers: [124] 124,73 unequal: No Solution Exploring Operation: 80-44=36, Resulting Numbers: [36] 36,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[80, 44], Operations: ['91-10=81', '81-37=44'] Exploring Operation: 80+44=124, Resulting Numbers: [124] 124,73 unequal: No Solution Exploring Operation: 80-44=36, Resulting Numbers: [36] 36,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[81, 43], Operations: ['91-10=81', '80-37=43'] Exploring Operation: 81+43=124, Resulting Numbers: [124] 124,73 unequal: No Solution Exploring Operation: 81-43=38, Resulting Numbers: [38] 38,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[91, 33], Operations: ['10+37=47', '80-47=33'] Exploring Operation: 91+33=124, Resulting Numbers: [124] 124,73 unequal: No Solution Exploring Operation: 91-33=58, Resulting Numbers: [58] 58,73 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 33, 12, 73, 55 ]
51
[ "12+73=85", "33*85=2805", "2805/55=51" ]
Current State: 51:[33, 12, 73, 55], Operations: [] Exploring Operation: 12+73=85, Resulting Numbers: [33, 55, 85] Generated Node #2: [33, 55, 85] from Operation: 12+73=85 Current State: 51:[33, 55, 85], Operations: ['12+73=85'] Exploring Operation: 33*85=2805, Resulting Numbers: [55, 2805] Generated Node #3: [55, 2805] from Operation: 33*85=2805 Current State: 51:[55, 2805], Operations: ['12+73=85', '33*85=2805'] Exploring Operation: 2805/55=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[33, 12, 73, 55], Operations: [] Exploring Operation: 73-12=61, Resulting Numbers: [33, 55, 61] Generated Node #0,0: 51:[33, 55, 61] Operation: 73-12=61 Exploring Operation: 33-12=21, Resulting Numbers: [73, 55, 21] Generated Node #0,1: 51:[73, 55, 21] Operation: 33-12=21 Exploring Operation: 73-33=40, Resulting Numbers: [12, 55, 40] Generated Node #0,2: 51:[12, 55, 40] Operation: 73-33=40 Exploring Operation: 73-55=18, Resulting Numbers: [33, 12, 18] Generated Node #0,3: 51:[33, 12, 18] Operation: 73-55=18 Moving to Node #0,2 Current State: 51:[12, 55, 40], Operations: ['73-33=40'] Exploring Operation: 12+40=52, Resulting Numbers: [55, 52] Generated Node #0,2,0: 51:[55, 52] Operation: 12+40=52 Exploring Operation: 55-40=15, Resulting Numbers: [12, 15] Generated Node #0,2,1: 51:[12, 15] Operation: 55-40=15 Exploring Operation: 40-12=28, Resulting Numbers: [55, 28] Generated Node #0,2,2: 51:[55, 28] Operation: 40-12=28 Exploring Operation: 55-12=43, Resulting Numbers: [40, 43] Generated Node #0,2,3: 51:[40, 43] Operation: 55-12=43 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 51:[55, 52], Operations: ['73-33=40', '12+40=52'] Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 55+52=107, Resulting Numbers: [107] 107,51 unequal: No Solution Exploring Operation: 55*52=2860, Resulting Numbers: [2860] 2860,51 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:[12, 15], Operations: ['73-33=40', '55-40=15'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,51 unequal: No Solution Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,51 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:[55, 28], Operations: ['73-33=40', '40-12=28'] Exploring Operation: 55+28=83, Resulting Numbers: [83] 83,51 unequal: No Solution Exploring Operation: 55*28=1540, Resulting Numbers: [1540] 1540,51 unequal: No Solution Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,51 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:[40, 43], Operations: ['73-33=40', '55-12=43'] Exploring Operation: 40+43=83, Resulting Numbers: [83] 83,51 unequal: No Solution Exploring Operation: 43-40=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 40*43=1720, Resulting Numbers: [1720] 1720,51 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: 51:[33, 12, 18], Operations: ['73-55=18'] Exploring Operation: 33+12=45, Resulting Numbers: [18, 45] Generated Node #0,3,0: 51:[18, 45] Operation: 33+12=45 Exploring Operation: 33-18=15, Resulting Numbers: [12, 15] Generated Node #0,3,1: 51:[12, 15] Operation: 33-18=15 Exploring Operation: 33+18=51, Resulting Numbers: [12, 51] Generated Node #0,3,2: 51:[12, 51] Operation: 33+18=51 Exploring Operation: 33-12=21, Resulting Numbers: [18, 21] Generated Node #0,3,3: 51:[18, 21] Operation: 33-12=21 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 51:[12, 51], Operations: ['73-55=18', '33+18=51'] Exploring Operation: 12*51=612, Resulting Numbers: [612] 612,51 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 51:[18, 21], Operations: ['73-55=18', '33-12=21'] Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 18*21=378, Resulting Numbers: [378] 378,51 unequal: No Solution Exploring Operation: 18+21=39, Resulting Numbers: [39] 39,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 51:[18, 45], Operations: ['73-55=18', '33+12=45'] Exploring Operation: 18+45=63, Resulting Numbers: [63] 63,51 unequal: No Solution Exploring Operation: 18*45=810, Resulting Numbers: [810] 810,51 unequal: No Solution Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 51:[12, 15], Operations: ['73-55=18', '33-18=15'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,51 unequal: No Solution Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,51 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: 51:[73, 55, 21], Operations: ['33-12=21'] Exploring Operation: 55-21=34, Resulting Numbers: [73, 34] Generated Node #0,1,0: 51:[73, 34] Operation: 55-21=34 Exploring Operation: 73-55=18, Resulting Numbers: [21, 18] Generated Node #0,1,1: 51:[21, 18] Operation: 73-55=18 Exploring Operation: 73-21=52, Resulting Numbers: [55, 52] Generated Node #0,1,2: 51:[55, 52] Operation: 73-21=52 Exploring Operation: 73+21=94, Resulting Numbers: [55, 94] Generated Node #0,1,3: 51:[55, 94] Operation: 73+21=94 Moving to Node #0,0 Current State: 51:[33, 55, 61], Operations: ['73-12=61'] Exploring Operation: 55-33=22, Resulting Numbers: [61, 22] Generated Node #0,0,0: 51:[61, 22] Operation: 55-33=22 Exploring Operation: 61-33=28, Resulting Numbers: [55, 28] Generated Node #0,0,1: 51:[55, 28] Operation: 61-33=28 Exploring Operation: 33+55=88, Resulting Numbers: [61, 88] Generated Node #0,0,2: 51:[61, 88] Operation: 33+55=88 Exploring Operation: 61-55=6, Resulting Numbers: [33, 6] Generated Node #0,0,3: 51:[33, 6] Operation: 61-55=6 Moving to Node #0,1,1 Current State: 51:[21, 18], Operations: ['33-12=21', '73-55=18'] Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[55, 52], Operations: ['33-12=21', '73-21=52'] Exploring Operation: 55+52=107, Resulting Numbers: [107] 107,51 unequal: No Solution Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 55*52=2860, Resulting Numbers: [2860] 2860,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[55, 28], Operations: ['73-12=61', '61-33=28'] Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,51 unequal: No Solution Exploring Operation: 55+28=83, Resulting Numbers: [83] 83,51 unequal: No Solution Exploring Operation: 55*28=1540, Resulting Numbers: [1540] 1540,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[61, 22], Operations: ['73-12=61', '55-33=22'] Exploring Operation: 61*22=1342, Resulting Numbers: [1342] 1342,51 unequal: No Solution Exploring Operation: 61-22=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 61+22=83, Resulting Numbers: [83] 83,51 unequal: No Solution Moving to Node #0,0,3 Current State: 51:[33, 6], Operations: ['73-12=61', '61-55=6'] Exploring Operation: 33*6=198, Resulting Numbers: [198] 198,51 unequal: No Solution Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[73, 34], Operations: ['33-12=21', '55-21=34'] Exploring Operation: 73*34=2482, Resulting Numbers: [2482] 2482,51 unequal: No Solution Exploring Operation: 73+34=107, Resulting Numbers: [107] 107,51 unequal: No Solution Exploring Operation: 73-34=39, Resulting Numbers: [39] 39,51 unequal: No Solution Moving to Node #0,1,3 Current State: 51:[55, 94], Operations: ['33-12=21', '73+21=94'] Exploring Operation: 94-55=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 55*94=5170, Resulting Numbers: [5170] 5170,51 unequal: No Solution Exploring Operation: 55+94=149, Resulting Numbers: [149] 149,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[61, 88], Operations: ['73-12=61', '33+55=88'] Exploring Operation: 88-61=27, Resulting Numbers: [27] 27,51 unequal: No Solution Exploring Operation: 61+88=149, Resulting Numbers: [149] 149,51 unequal: No Solution Exploring Operation: 61*88=5368, Resulting Numbers: [5368] 5368,51 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 13, 19, 51, 45 ]
16
[ "19-13=6", "51+45=96", "96/6=16" ]
Current State: 16:[13, 19, 51, 45], Operations: [] Exploring Operation: 19-13=6, Resulting Numbers: [51, 45, 6] Generated Node #2: [51, 45, 6] from Operation: 19-13=6 Current State: 16:[51, 45, 6], Operations: ['19-13=6'] Exploring Operation: 51+45=96, Resulting Numbers: [6, 96] Generated Node #3: [6, 96] from Operation: 51+45=96 Current State: 16:[6, 96], Operations: ['19-13=6', '51+45=96'] Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[13, 19, 51, 45], Operations: [] Exploring Operation: 45-19=26, Resulting Numbers: [13, 51, 26] Generated Node #0,0: 16:[13, 51, 26] Operation: 45-19=26 Exploring Operation: 51-45=6, Resulting Numbers: [13, 19, 6] Generated Node #0,1: 16:[13, 19, 6] Operation: 51-45=6 Exploring Operation: 51-13=38, Resulting Numbers: [19, 45, 38] Generated Node #0,2: 16:[19, 45, 38] Operation: 51-13=38 Exploring Operation: 51-19=32, Resulting Numbers: [13, 45, 32] Generated Node #0,3: 16:[13, 45, 32] Operation: 51-19=32 Moving to Node #0,1 Current State: 16:[13, 19, 6], Operations: ['51-45=6'] Exploring Operation: 19-13=6, Resulting Numbers: [6, 6] Generated Node #0,1,0: 16:[6, 6] Operation: 19-13=6 Exploring Operation: 13-6=7, Resulting Numbers: [19, 7] Generated Node #0,1,1: 16:[19, 7] Operation: 13-6=7 Exploring Operation: 13+6=19, Resulting Numbers: [19, 19] Generated Node #0,1,2: 16:[19, 19] Operation: 13+6=19 Exploring Operation: 19-6=13, Resulting Numbers: [13, 13] Generated Node #0,1,3: 16:[13, 13] Operation: 19-6=13 Moving to Node #0,3 Current State: 16:[13, 45, 32], Operations: ['51-19=32'] Exploring Operation: 45-32=13, Resulting Numbers: [13, 13] Generated Node #0,3,0: 16:[13, 13] Operation: 45-32=13 Exploring Operation: 45-13=32, Resulting Numbers: [32, 32] Generated Node #0,3,1: 16:[32, 32] Operation: 45-13=32 Exploring Operation: 32-13=19, Resulting Numbers: [45, 19] Generated Node #0,3,2: 16:[45, 19] Operation: 32-13=19 Exploring Operation: 13+45=58, Resulting Numbers: [32, 58] Generated Node #0,3,3: 16:[32, 58] Operation: 13+45=58 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 16:[13, 13], Operations: ['51-19=32', '45-32=13'] Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 13*13=169, Resulting Numbers: [169] 169,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 16:[32, 32], Operations: ['51-19=32', '45-13=32'] Exploring Operation: 32-32=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 32+32=64, Resulting Numbers: [64] 64,16 unequal: No Solution Exploring Operation: 32/32=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 32*32=1024, Resulting Numbers: [1024] 1024,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 16:[45, 19], Operations: ['51-19=32', '32-13=19'] Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,16 unequal: No Solution Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 16:[32, 58], Operations: ['51-19=32', '13+45=58'] Exploring Operation: 32+58=90, Resulting Numbers: [90] 90,16 unequal: No Solution Exploring Operation: 32*58=1856, Resulting Numbers: [1856] 1856,16 unequal: No Solution Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,16 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: 16:[13, 51, 26], Operations: ['45-19=26'] Exploring Operation: 26/13=2, Resulting Numbers: [51, 2] Generated Node #0,0,0: 16:[51, 2] Operation: 26/13=2 Exploring Operation: 51-13=38, Resulting Numbers: [26, 38] Generated Node #0,0,1: 16:[26, 38] Operation: 51-13=38 Exploring Operation: 51-26=25, Resulting Numbers: [13, 25] Generated Node #0,0,2: 16:[13, 25] Operation: 51-26=25 Exploring Operation: 26-13=13, Resulting Numbers: [51, 13] Generated Node #0,0,3: 16:[51, 13] Operation: 26-13=13 Moving to Node #0,2 Current State: 16:[19, 45, 38], Operations: ['51-13=38'] Exploring Operation: 38-19=19, Resulting Numbers: [45, 19] Generated Node #0,2,0: 16:[45, 19] Operation: 38-19=19 Exploring Operation: 45-19=26, Resulting Numbers: [38, 26] Generated Node #0,2,1: 16:[38, 26] Operation: 45-19=26 Exploring Operation: 38/19=2, Resulting Numbers: [45, 2] Generated Node #0,2,2: 16:[45, 2] Operation: 38/19=2 Exploring Operation: 45-38=7, Resulting Numbers: [19, 7] Generated Node #0,2,3: 16:[19, 7] Operation: 45-38=7 Moving to Node #0,1,0 Current State: 16:[6, 6], Operations: ['51-45=6', '19-13=6'] Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,16 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[19, 7], Operations: ['51-45=6', '13-6=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 19*7=133, Resulting Numbers: [133] 133,16 unequal: No Solution Moving to Node #0,2,3 Current State: 16:[19, 7], Operations: ['51-13=38', '45-38=7'] Exploring Operation: 19*7=133, Resulting Numbers: [133] 133,16 unequal: No Solution Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[19, 19], Operations: ['51-45=6', '13+6=19'] Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 19-19=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 19*19=361, Resulting Numbers: [361] 361,16 unequal: No Solution Exploring Operation: 19+19=38, Resulting Numbers: [38] 38,16 unequal: No Solution Moving to Node #0,1,3 Current State: 16:[13, 13], Operations: ['51-45=6', '19-6=13'] Exploring Operation: 13*13=169, Resulting Numbers: [169] 169,16 unequal: No Solution Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[13, 25], Operations: ['45-19=26', '51-26=25'] Exploring Operation: 13+25=38, Resulting Numbers: [38] 38,16 unequal: No Solution Exploring Operation: 13*25=325, Resulting Numbers: [325] 325,16 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,16 unequal: No Solution Moving to Node #0,2,2 Current State: 16:[45, 2], Operations: ['51-13=38', '38/19=2'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,16 unequal: No Solution Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,16 unequal: No Solution Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[26, 38], Operations: ['45-19=26', '51-13=38'] Exploring Operation: 26+38=64, Resulting Numbers: [64] 64,16 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 26*38=988, Resulting Numbers: [988] 988,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[45, 19], Operations: ['51-13=38', '38-19=19'] Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,16 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[38, 26], Operations: ['51-13=38', '45-19=26'] Exploring Operation: 38*26=988, Resulting Numbers: [988] 988,16 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 38+26=64, Resulting Numbers: [64] 64,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[51, 2], Operations: ['45-19=26', '26/13=2'] Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,16 unequal: No Solution Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,16 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[51, 13], Operations: ['45-19=26', '26-13=13'] Exploring Operation: 51+13=64, Resulting Numbers: [64] 64,16 unequal: No Solution Exploring Operation: 51*13=663, Resulting Numbers: [663] 663,16 unequal: No Solution Exploring Operation: 51-13=38, Resulting Numbers: [38] 38,16 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 91, 2, 15, 58 ]
96
[ "91+15=106", "106-58=48", "2*48=96" ]
Current State: 96:[91, 2, 15, 58], Operations: [] Exploring Operation: 91+15=106, Resulting Numbers: [2, 58, 106] Generated Node #2: [2, 58, 106] from Operation: 91+15=106 Current State: 96:[2, 58, 106], Operations: ['91+15=106'] Exploring Operation: 106-58=48, Resulting Numbers: [2, 48] Generated Node #3: [2, 48] from Operation: 106-58=48 Current State: 96:[2, 48], Operations: ['91+15=106', '106-58=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[91, 2, 15, 58], Operations: [] Exploring Operation: 91-58=33, Resulting Numbers: [2, 15, 33] Generated Node #0,0: 96:[2, 15, 33] Operation: 91-58=33 Exploring Operation: 58/2=29, Resulting Numbers: [91, 15, 29] Generated Node #0,1: 96:[91, 15, 29] Operation: 58/2=29 Exploring Operation: 58-15=43, Resulting Numbers: [91, 2, 43] Generated Node #0,2: 96:[91, 2, 43] Operation: 58-15=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[2, 15, 33], Operations: ['91-58=33'] Exploring Operation: 15-2=13, Resulting Numbers: [33, 13] Generated Node #0,0,0: 96:[33, 13] Operation: 15-2=13 Exploring Operation: 2+15=17, Resulting Numbers: [33, 17] Generated Node #0,0,1: 96:[33, 17] Operation: 2+15=17 Exploring Operation: 15+33=48, Resulting Numbers: [2, 48] Generated Node #0,0,2: 96:[2, 48] Operation: 15+33=48 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 96:[2, 48], Operations: ['91-58=33', '15+33=48'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[91, 2, 15, 58], Operations: [] Exploring Operation: 91-58=33, Resulting Numbers: [2, 15, 33] Generated Node #0,0: 96:[2, 15, 33] Operation: 91-58=33 Moving to Node #0,0 Current State: 96:[2, 15, 33], Operations: ['91-58=33'] Exploring Operation: 15+33=48, Resulting Numbers: [2, 48] Generated Node #0,0,2: 96:[2, 48] Operation: 15+33=48 Moving to Node #0,0,2 Current State: 96:[2, 48], Operations: ['91-58=33', '15+33=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 25, 25, 76, 4 ]
79
[ "25/25=1", "76+4=80", "80-1=79" ]
Current State: 79:[25, 25, 76, 4], Operations: [] Exploring Operation: 25/25=1, Resulting Numbers: [76, 4, 1] Generated Node #2: [76, 4, 1] from Operation: 25/25=1 Current State: 79:[76, 4, 1], Operations: ['25/25=1'] Exploring Operation: 76+4=80, Resulting Numbers: [1, 80] Generated Node #3: [1, 80] from Operation: 76+4=80 Current State: 79:[1, 80], Operations: ['25/25=1', '76+4=80'] Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[25, 25, 76, 4], Operations: [] Exploring Operation: 25+25=50, Resulting Numbers: [76, 4, 50] Generated Node #0,0: 79:[76, 4, 50] Operation: 25+25=50 Exploring Operation: 25+4=29, Resulting Numbers: [25, 76, 29] Generated Node #0,1: 79:[25, 76, 29] Operation: 25+4=29 Exploring Operation: 25+4=29, Resulting Numbers: [25, 76, 29] Generated Node #0,2: 79:[25, 76, 29] Operation: 25+4=29 Exploring Operation: 25*4=100, Resulting Numbers: [25, 76, 100] Generated Node #0,3: 79:[25, 76, 100] Operation: 25*4=100 Exploring Operation: 25*4=100, Resulting Numbers: [25, 76, 100] Generated Node #0,4: 79:[25, 76, 100] Operation: 25*4=100 Moving to Node #0,3 Current State: 79:[25, 76, 100], Operations: ['25*4=100'] Exploring Operation: 100/25=4, Resulting Numbers: [76, 4] Generated Node #0,3,0: 79:[76, 4] Operation: 100/25=4 Exploring Operation: 76-25=51, Resulting Numbers: [100, 51] Generated Node #0,3,1: 79:[100, 51] Operation: 76-25=51 Exploring Operation: 100-25=75, Resulting Numbers: [76, 75] Generated Node #0,3,2: 79:[76, 75] Operation: 100-25=75 Exploring Operation: 25+76=101, Resulting Numbers: [100, 101] Generated Node #0,3,3: 79:[100, 101] Operation: 25+76=101 Exploring Operation: 25+100=125, Resulting Numbers: [76, 125] Generated Node #0,3,4: 79:[76, 125] Operation: 25+100=125 Moving to Node #0,4 Current State: 79:[25, 76, 100], Operations: ['25*4=100'] Exploring Operation: 100/25=4, Resulting Numbers: [76, 4] Generated Node #0,4,0: 79:[76, 4] Operation: 100/25=4 Exploring Operation: 25+100=125, Resulting Numbers: [76, 125] Generated Node #0,4,1: 79:[76, 125] Operation: 25+100=125 Exploring Operation: 100-25=75, Resulting Numbers: [76, 75] Generated Node #0,4,2: 79:[76, 75] Operation: 100-25=75 Exploring Operation: 76-25=51, Resulting Numbers: [100, 51] Generated Node #0,4,3: 79:[100, 51] Operation: 76-25=51 Exploring Operation: 25+76=101, Resulting Numbers: [100, 101] Generated Node #0,4,4: 79:[100, 101] Operation: 25+76=101 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 79:[76, 75], Operations: ['25*4=100', '100-25=75'] Exploring Operation: 76+75=151, Resulting Numbers: [151] 151,79 unequal: No Solution Exploring Operation: 76*75=5700, Resulting Numbers: [5700] 5700,79 unequal: No Solution Exploring Operation: 76-75=1, Resulting Numbers: [1] 1,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 79:[100, 101], Operations: ['25*4=100', '25+76=101'] Exploring Operation: 101-100=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 100*101=10100, Resulting Numbers: [10100] 10100,79 unequal: No Solution Exploring Operation: 100+101=201, Resulting Numbers: [201] 201,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 79:[76, 125], Operations: ['25*4=100', '25+100=125'] Exploring Operation: 76+125=201, Resulting Numbers: [201] 201,79 unequal: No Solution Exploring Operation: 125-76=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 76*125=9500, Resulting Numbers: [9500] 9500,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 79:[100, 51], Operations: ['25*4=100', '76-25=51'] Exploring Operation: 100*51=5100, Resulting Numbers: [5100] 5100,79 unequal: No Solution Exploring Operation: 100-51=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 100+51=151, Resulting Numbers: [151] 151,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 79:[76, 4], Operations: ['25*4=100', '100/25=4'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,79 unequal: No Solution Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 76*4=304, Resulting Numbers: [304] 304,79 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,79 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: 79:[76, 4, 50], Operations: ['25+25=50'] Exploring Operation: 76-4=72, Resulting Numbers: [50, 72] Generated Node #0,0,0: 79:[50, 72] Operation: 76-4=72 Exploring Operation: 4+50=54, Resulting Numbers: [76, 54] Generated Node #0,0,1: 79:[76, 54] Operation: 4+50=54 Exploring Operation: 50-4=46, Resulting Numbers: [76, 46] Generated Node #0,0,2: 79:[76, 46] Operation: 50-4=46 Exploring Operation: 76+4=80, Resulting Numbers: [50, 80] Generated Node #0,0,3: 79:[50, 80] Operation: 76+4=80 Exploring Operation: 76/4=19, Resulting Numbers: [50, 19] Generated Node #0,0,4: 79:[50, 19] Operation: 76/4=19 Moving to Node #0,1 Current State: 79:[25, 76, 29], Operations: ['25+4=29'] Exploring Operation: 29-25=4, Resulting Numbers: [76, 4] Generated Node #0,1,0: 79:[76, 4] Operation: 29-25=4 Exploring Operation: 25+29=54, Resulting Numbers: [76, 54] Generated Node #0,1,1: 79:[76, 54] Operation: 25+29=54 Exploring Operation: 76+29=105, Resulting Numbers: [25, 105] Generated Node #0,1,2: 79:[25, 105] Operation: 76+29=105 Exploring Operation: 25+76=101, Resulting Numbers: [29, 101] Generated Node #0,1,3: 79:[29, 101] Operation: 25+76=101 Exploring Operation: 76-25=51, Resulting Numbers: [29, 51] Generated Node #0,1,4: 79:[29, 51] Operation: 76-25=51 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[76, 54], Operations: ['25+4=29', '25+29=54'] Exploring Operation: 76*54=4104, Resulting Numbers: [4104] 4104,79 unequal: No Solution Exploring Operation: 76-54=22, Resulting Numbers: [22] 22,79 unequal: No Solution Exploring Operation: 76+54=130, Resulting Numbers: [130] 130,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 79:[29, 101], Operations: ['25+4=29', '25+76=101'] Exploring Operation: 29+101=130, Resulting Numbers: [130] 130,79 unequal: No Solution Exploring Operation: 101-29=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 29*101=2929, Resulting Numbers: [2929] 2929,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[76, 4], Operations: ['25+4=29', '29-25=4'] Exploring Operation: 76*4=304, Resulting Numbers: [304] 304,79 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,79 unequal: No Solution Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 79:[29, 51], Operations: ['25+4=29', '76-25=51'] Exploring Operation: 29*51=1479, Resulting Numbers: [1479] 1479,79 unequal: No Solution Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,79 unequal: No Solution Exploring Operation: 29+51=80, Resulting Numbers: [80] 80,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 79:[25, 105], Operations: ['25+4=29', '76+29=105'] Exploring Operation: 105-25=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 25+105=130, Resulting Numbers: [130] 130,79 unequal: No Solution Exploring Operation: 25*105=2625, Resulting Numbers: [2625] 2625,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 79:[25, 76, 29], Operations: ['25+4=29'] Exploring Operation: 76-25=51, Resulting Numbers: [29, 51] Generated Node #0,2,0: 79:[29, 51] Operation: 76-25=51 Exploring Operation: 29-25=4, Resulting Numbers: [76, 4] Generated Node #0,2,1: 79:[76, 4] Operation: 29-25=4 Exploring Operation: 25+76=101, Resulting Numbers: [29, 101] Generated Node #0,2,2: 79:[29, 101] Operation: 25+76=101 Exploring Operation: 76+29=105, Resulting Numbers: [25, 105] Generated Node #0,2,3: 79:[25, 105] Operation: 76+29=105 Exploring Operation: 25+29=54, Resulting Numbers: [76, 54] Generated Node #0,2,4: 79:[76, 54] Operation: 25+29=54 Moving to Node #0,3,2 Current State: 79:[76, 75], Operations: ['25*4=100', '100-25=75'] Exploring Operation: 76*75=5700, Resulting Numbers: [5700] 5700,79 unequal: No Solution Exploring Operation: 76-75=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 76+75=151, Resulting Numbers: [151] 151,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[76, 54], Operations: ['25+25=50', '4+50=54'] Exploring Operation: 76+54=130, Resulting Numbers: [130] 130,79 unequal: No Solution Exploring Operation: 76-54=22, Resulting Numbers: [22] 22,79 unequal: No Solution Exploring Operation: 76*54=4104, Resulting Numbers: [4104] 4104,79 unequal: No Solution Moving to Node #0,2,4 Current State: 79:[76, 54], Operations: ['25+4=29', '25+29=54'] Exploring Operation: 76+54=130, Resulting Numbers: [130] 130,79 unequal: No Solution Exploring Operation: 76*54=4104, Resulting Numbers: [4104] 4104,79 unequal: No Solution Exploring Operation: 76-54=22, Resulting Numbers: [22] 22,79 unequal: No Solution Moving to Node #0,0,3 Current State: 79:[50, 80], Operations: ['25+25=50', '76+4=80'] Exploring Operation: 50*80=4000, Resulting Numbers: [4000] 4000,79 unequal: No Solution Exploring Operation: 50+80=130, Resulting Numbers: [130] 130,79 unequal: No Solution Exploring Operation: 80-50=30, Resulting Numbers: [30] 30,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[50, 72], Operations: ['25+25=50', '76-4=72'] Exploring Operation: 72-50=22, Resulting Numbers: [22] 22,79 unequal: No Solution Exploring Operation: 50+72=122, Resulting Numbers: [122] 122,79 unequal: No Solution Exploring Operation: 50*72=3600, Resulting Numbers: [3600] 3600,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[76, 46], Operations: ['25+25=50', '50-4=46'] Exploring Operation: 76-46=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 76*46=3496, Resulting Numbers: [3496] 3496,79 unequal: No Solution Exploring Operation: 76+46=122, Resulting Numbers: [122] 122,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[100, 101], Operations: ['25*4=100', '25+76=101'] Exploring Operation: 100+101=201, Resulting Numbers: [201] 201,79 unequal: No Solution Exploring Operation: 101-100=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 100*101=10100, Resulting Numbers: [10100] 10100,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[100, 51], Operations: ['25*4=100', '76-25=51'] Exploring Operation: 100-51=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 100*51=5100, Resulting Numbers: [5100] 5100,79 unequal: No Solution Exploring Operation: 100+51=151, Resulting Numbers: [151] 151,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[76, 125], Operations: ['25*4=100', '25+100=125'] Exploring Operation: 125-76=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 76*125=9500, Resulting Numbers: [9500] 9500,79 unequal: No Solution Exploring Operation: 76+125=201, Resulting Numbers: [201] 201,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[29, 101], Operations: ['25+4=29', '25+76=101'] Exploring Operation: 29*101=2929, Resulting Numbers: [2929] 2929,79 unequal: No Solution Exploring Operation: 101-29=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 29+101=130, Resulting Numbers: [130] 130,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[76, 4], Operations: ['25+4=29', '29-25=4'] Exploring Operation: 76*4=304, Resulting Numbers: [304] 304,79 unequal: No Solution Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,79 unequal: No Solution Moving to Node #0,3,0 Current State: 79:[76, 4], Operations: ['25*4=100', '100/25=4'] Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 76*4=304, Resulting Numbers: [304] 304,79 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,79 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[29, 51], Operations: ['25+4=29', '76-25=51'] Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,79 unequal: No Solution Exploring Operation: 29*51=1479, Resulting Numbers: [1479] 1479,79 unequal: No Solution Exploring Operation: 29+51=80, Resulting Numbers: [80] 80,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[25, 105], Operations: ['25+4=29', '76+29=105'] Exploring Operation: 25+105=130, Resulting Numbers: [130] 130,79 unequal: No Solution Exploring Operation: 105-25=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 25*105=2625, Resulting Numbers: [2625] 2625,79 unequal: No Solution Moving to Node #0,0,4 Current State: 79:[50, 19], Operations: ['25+25=50', '76/4=19'] Exploring Operation: 50*19=950, Resulting Numbers: [950] 950,79 unequal: No Solution Exploring Operation: 50+19=69, Resulting Numbers: [69] 69,79 unequal: No Solution Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,79 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 57, 23, 7, 66 ]
93
[ "57-23=34", "66-7=59", "34+59=93" ]
Current State: 93:[57, 23, 7, 66], Operations: [] Exploring Operation: 57-23=34, Resulting Numbers: [7, 66, 34] Generated Node #2: [7, 66, 34] from Operation: 57-23=34 Current State: 93:[7, 66, 34], Operations: ['57-23=34'] Exploring Operation: 66-7=59, Resulting Numbers: [34, 59] Generated Node #3: [34, 59] from Operation: 66-7=59 Current State: 93:[34, 59], Operations: ['57-23=34', '66-7=59'] Exploring Operation: 34+59=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[57, 23, 7, 66], Operations: [] Exploring Operation: 57-23=34, Resulting Numbers: [7, 66, 34] Generated Node #0,0: 93:[7, 66, 34] Operation: 57-23=34 Exploring Operation: 23+66=89, Resulting Numbers: [57, 7, 89] Generated Node #0,1: 93:[57, 7, 89] Operation: 23+66=89 Exploring Operation: 66-23=43, Resulting Numbers: [57, 7, 43] Generated Node #0,2: 93:[57, 7, 43] Operation: 66-23=43 Exploring Operation: 57+66=123, Resulting Numbers: [23, 7, 123] Generated Node #0,3: 93:[23, 7, 123] Operation: 57+66=123 Exploring Operation: 66-57=9, Resulting Numbers: [23, 7, 9] Generated Node #0,4: 93:[23, 7, 9] Operation: 66-57=9 Moving to Node #0,4 Current State: 93:[23, 7, 9], Operations: ['66-57=9'] Exploring Operation: 23-7=16, Resulting Numbers: [9, 16] Generated Node #0,4,0: 93:[9, 16] Operation: 23-7=16 Exploring Operation: 23+9=32, Resulting Numbers: [7, 32] Generated Node #0,4,1: 93:[7, 32] Operation: 23+9=32 Exploring Operation: 23-9=14, Resulting Numbers: [7, 14] Generated Node #0,4,2: 93:[7, 14] Operation: 23-9=14 Exploring Operation: 23+7=30, Resulting Numbers: [9, 30] Generated Node #0,4,3: 93:[9, 30] Operation: 23+7=30 Exploring Operation: 9-7=2, Resulting Numbers: [23, 2] Generated Node #0,4,4: 93:[23, 2] Operation: 9-7=2 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 93:[7, 32], Operations: ['66-57=9', '23+9=32'] Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,93 unequal: No Solution Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,93 unequal: No Solution No 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: 93:[9, 30], Operations: ['66-57=9', '23+7=30'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,93 unequal: No Solution Exploring Operation: 9+30=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 9*30=270, Resulting Numbers: [270] 270,93 unequal: No Solution No 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: 93:[23, 2], Operations: ['66-57=9', '9-7=2'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,93 unequal: No Solution Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,93 unequal: No Solution Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,93 unequal: No Solution No 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: 93:[7, 14], Operations: ['66-57=9', '23-9=14'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,93 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,93 unequal: No Solution Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,93 unequal: No Solution No 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: 93:[9, 16], Operations: ['66-57=9', '23-7=16'] Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,93 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,93 unequal: No Solution Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,93 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: 93:[57, 7, 89], Operations: ['23+66=89'] Exploring Operation: 57-7=50, Resulting Numbers: [89, 50] Generated Node #0,1,0: 93:[89, 50] Operation: 57-7=50 Exploring Operation: 57+7=64, Resulting Numbers: [89, 64] Generated Node #0,1,1: 93:[89, 64] Operation: 57+7=64 Exploring Operation: 89-57=32, Resulting Numbers: [7, 32] Generated Node #0,1,2: 93:[7, 32] Operation: 89-57=32 Exploring Operation: 7+89=96, Resulting Numbers: [57, 96] Generated Node #0,1,3: 93:[57, 96] Operation: 7+89=96 Exploring Operation: 89-7=82, Resulting Numbers: [57, 82] Generated Node #0,1,4: 93:[57, 82] Operation: 89-7=82 Moving to Node #0,0 Current State: 93:[7, 66, 34], Operations: ['57-23=34'] Exploring Operation: 7+66=73, Resulting Numbers: [34, 73] Generated Node #0,0,0: 93:[34, 73] Operation: 7+66=73 Exploring Operation: 66-34=32, Resulting Numbers: [7, 32] Generated Node #0,0,1: 93:[7, 32] Operation: 66-34=32 Exploring Operation: 34-7=27, Resulting Numbers: [66, 27] Generated Node #0,0,2: 93:[66, 27] Operation: 34-7=27 Exploring Operation: 66+34=100, Resulting Numbers: [7, 100] Generated Node #0,0,3: 93:[7, 100] Operation: 66+34=100 Exploring Operation: 66-7=59, Resulting Numbers: [34, 59] Generated Node #0,0,4: 93:[34, 59] Operation: 66-7=59 Moving to Node #0,2 Current State: 93:[57, 7, 43], Operations: ['66-23=43'] Exploring Operation: 57-43=14, Resulting Numbers: [7, 14] Generated Node #0,2,0: 93:[7, 14] Operation: 57-43=14 Exploring Operation: 57+7=64, Resulting Numbers: [43, 64] Generated Node #0,2,1: 93:[43, 64] Operation: 57+7=64 Exploring Operation: 57-7=50, Resulting Numbers: [43, 50] Generated Node #0,2,2: 93:[43, 50] Operation: 57-7=50 Exploring Operation: 43-7=36, Resulting Numbers: [57, 36] Generated Node #0,2,3: 93:[57, 36] Operation: 43-7=36 Exploring Operation: 57+43=100, Resulting Numbers: [7, 100] Generated Node #0,2,4: 93:[7, 100] Operation: 57+43=100 Moving to Node #0,3 Current State: 93:[23, 7, 123], Operations: ['57+66=123'] Exploring Operation: 123-7=116, Resulting Numbers: [23, 116] Generated Node #0,3,0: 93:[23, 116] Operation: 123-7=116 Exploring Operation: 7+123=130, Resulting Numbers: [23, 130] Generated Node #0,3,1: 93:[23, 130] Operation: 7+123=130 Exploring Operation: 123-23=100, Resulting Numbers: [7, 100] Generated Node #0,3,2: 93:[7, 100] Operation: 123-23=100 Exploring Operation: 23+7=30, Resulting Numbers: [123, 30] Generated Node #0,3,3: 93:[123, 30] Operation: 23+7=30 Exploring Operation: 23-7=16, Resulting Numbers: [123, 16] Generated Node #0,3,4: 93:[123, 16] Operation: 23-7=16 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 93:[7, 100], Operations: ['57+66=123', '123-23=100'] Exploring Operation: 7+100=107, Resulting Numbers: [107] 107,93 unequal: No Solution Exploring Operation: 7*100=700, Resulting Numbers: [700] 700,93 unequal: No Solution Exploring Operation: 100-7=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[57, 23, 7, 66], Operations: [] Exploring Operation: 57+66=123, Resulting Numbers: [23, 7, 123] Generated Node #0,3: 93:[23, 7, 123] Operation: 57+66=123 Moving to Node #0,3 Current State: 93:[23, 7, 123], Operations: ['57+66=123'] Exploring Operation: 123-23=100, Resulting Numbers: [7, 100] Generated Node #0,3,2: 93:[7, 100] Operation: 123-23=100 Moving to Node #0,3,2 Current State: 93:[7, 100], Operations: ['57+66=123', '123-23=100'] Exploring Operation: 100-7=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.953993
hs_5
sum_heuristic
[ 86, 16, 79, 17 ]
95
[ "86-79=7", "16*7=112", "112-17=95" ]
Current State: 95:[86, 16, 79, 17], Operations: [] Exploring Operation: 86-79=7, Resulting Numbers: [16, 17, 7] Generated Node #2: [16, 17, 7] from Operation: 86-79=7 Current State: 95:[16, 17, 7], Operations: ['86-79=7'] Exploring Operation: 16*7=112, Resulting Numbers: [17, 112] Generated Node #3: [17, 112] from Operation: 16*7=112 Current State: 95:[17, 112], Operations: ['86-79=7', '16*7=112'] Exploring Operation: 112-17=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[86, 16, 79, 17], Operations: [] Exploring Operation: 16+79=95, Resulting Numbers: [86, 17, 95] Generated Node #0,0: 95:[86, 17, 95] Operation: 16+79=95 Exploring Operation: 86-79=7, Resulting Numbers: [16, 17, 7] Generated Node #0,1: 95:[16, 17, 7] Operation: 86-79=7 Exploring Operation: 86+16=102, Resulting Numbers: [79, 17, 102] Generated Node #0,2: 95:[79, 17, 102] Operation: 86+16=102 Exploring Operation: 79+17=96, Resulting Numbers: [86, 16, 96] Generated Node #0,3: 95:[86, 16, 96] Operation: 79+17=96 Moving to Node #0,1 Current State: 95:[16, 17, 7], Operations: ['86-79=7'] Exploring Operation: 16-7=9, Resulting Numbers: [17, 9] Generated Node #0,1,0: 95:[17, 9] Operation: 16-7=9 Exploring Operation: 16+7=23, Resulting Numbers: [17, 23] Generated Node #0,1,1: 95:[17, 23] Operation: 16+7=23 Exploring Operation: 17+7=24, Resulting Numbers: [16, 24] Generated Node #0,1,2: 95:[16, 24] Operation: 17+7=24 Exploring Operation: 17-16=1, Resulting Numbers: [7, 1] Generated Node #0,1,3: 95:[7, 1] Operation: 17-16=1 Moving to Node #0,0 Current State: 95:[86, 17, 95], Operations: ['16+79=95'] Exploring Operation: 86+17=103, Resulting Numbers: [95, 103] Generated Node #0,0,0: 95:[95, 103] Operation: 86+17=103 Exploring Operation: 95-86=9, Resulting Numbers: [17, 9] Generated Node #0,0,1: 95:[17, 9] Operation: 95-86=9 Exploring Operation: 86-17=69, Resulting Numbers: [95, 69] Generated Node #0,0,2: 95:[95, 69] Operation: 86-17=69 Exploring Operation: 17+95=112, Resulting Numbers: [86, 112] Generated Node #0,0,3: 95:[86, 112] Operation: 17+95=112 Moving to Node #0,3 Current State: 95:[86, 16, 96], Operations: ['79+17=96'] Exploring Operation: 96-16=80, Resulting Numbers: [86, 80] Generated Node #0,3,0: 95:[86, 80] Operation: 96-16=80 Exploring Operation: 96/16=6, Resulting Numbers: [86, 6] Generated Node #0,3,1: 95:[86, 6] Operation: 96/16=6 Exploring Operation: 86+16=102, Resulting Numbers: [96, 102] Generated Node #0,3,2: 95:[96, 102] Operation: 86+16=102 Exploring Operation: 96-86=10, Resulting Numbers: [16, 10] Generated Node #0,3,3: 95:[16, 10] Operation: 96-86=10 Moving to Node #0,2 Current State: 95:[79, 17, 102], Operations: ['86+16=102'] Exploring Operation: 102-79=23, Resulting Numbers: [17, 23] Generated Node #0,2,0: 95:[17, 23] Operation: 102-79=23 Exploring Operation: 102/17=6, Resulting Numbers: [79, 6] Generated Node #0,2,1: 95:[79, 6] Operation: 102/17=6 Exploring Operation: 79+17=96, Resulting Numbers: [102, 96] Generated Node #0,2,2: 95:[102, 96] Operation: 79+17=96 Exploring Operation: 102-17=85, Resulting Numbers: [79, 85] Generated Node #0,2,3: 95:[79, 85] Operation: 102-17=85 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 95:[17, 23], Operations: ['86+16=102', '102-79=23'] Exploring Operation: 17+23=40, Resulting Numbers: [40] 40,95 unequal: No Solution Exploring Operation: 17*23=391, Resulting Numbers: [391] 391,95 unequal: No Solution Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 95:[102, 96], Operations: ['86+16=102', '79+17=96'] Exploring Operation: 102+96=198, Resulting Numbers: [198] 198,95 unequal: No Solution Exploring Operation: 102-96=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 102*96=9792, Resulting Numbers: [9792] 9792,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 95:[79, 6], Operations: ['86+16=102', '102/17=6'] Exploring Operation: 79*6=474, Resulting Numbers: [474] 474,95 unequal: No Solution Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,95 unequal: No Solution Exploring Operation: 79+6=85, Resulting Numbers: [85] 85,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 95:[79, 85], Operations: ['86+16=102', '102-17=85'] Exploring Operation: 79*85=6715, Resulting Numbers: [6715] 6715,95 unequal: No Solution Exploring Operation: 79+85=164, Resulting Numbers: [164] 164,95 unequal: No Solution Exploring Operation: 85-79=6, Resulting Numbers: [6] 6,95 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: 95:[17, 9], Operations: ['86-79=7', '16-7=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,95 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,95 unequal: No Solution Moving to Node #0,1,3 Current State: 95:[7, 1], Operations: ['86-79=7', '17-16=1'] Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 7*1=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[17, 23], Operations: ['86-79=7', '16+7=23'] Exploring Operation: 17*23=391, Resulting Numbers: [391] 391,95 unequal: No Solution Exploring Operation: 17+23=40, Resulting Numbers: [40] 40,95 unequal: No Solution Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[17, 9], Operations: ['16+79=95', '95-86=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,95 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,95 unequal: No Solution Moving to Node #0,0,0 Current State: 95:[95, 103], Operations: ['16+79=95', '86+17=103'] Exploring Operation: 95+103=198, Resulting Numbers: [198] 198,95 unequal: No Solution Exploring Operation: 103-95=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 95*103=9785, Resulting Numbers: [9785] 9785,95 unequal: No Solution Moving to Node #0,3,2 Current State: 95:[96, 102], Operations: ['79+17=96', '86+16=102'] Exploring Operation: 102-96=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 96+102=198, Resulting Numbers: [198] 198,95 unequal: No Solution Exploring Operation: 96*102=9792, Resulting Numbers: [9792] 9792,95 unequal: No Solution Moving to Node #0,3,3 Current State: 95:[16, 10], Operations: ['79+17=96', '96-86=10'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[16, 24], Operations: ['86-79=7', '17+7=24'] Exploring Operation: 16+24=40, Resulting Numbers: [40] 40,95 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 16*24=384, Resulting Numbers: [384] 384,95 unequal: No Solution Moving to Node #0,3,1 Current State: 95:[86, 6], Operations: ['79+17=96', '96/16=6'] Exploring Operation: 86*6=516, Resulting Numbers: [516] 516,95 unequal: No Solution Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,95 unequal: No Solution Exploring Operation: 86+6=92, Resulting Numbers: [92] 92,95 unequal: No Solution Moving to Node #0,3,0 Current State: 95:[86, 80], Operations: ['79+17=96', '96-16=80'] Exploring Operation: 86-80=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 86+80=166, Resulting Numbers: [166] 166,95 unequal: No Solution Exploring Operation: 86*80=6880, Resulting Numbers: [6880] 6880,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[95, 69], Operations: ['16+79=95', '86-17=69'] Exploring Operation: 95-69=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 95*69=6555, Resulting Numbers: [6555] 6555,95 unequal: No Solution Exploring Operation: 95+69=164, Resulting Numbers: [164] 164,95 unequal: No Solution Moving to Node #0,0,3 Current State: 95:[86, 112], Operations: ['16+79=95', '17+95=112'] Exploring Operation: 86+112=198, Resulting Numbers: [198] 198,95 unequal: No Solution Exploring Operation: 112-86=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 86*112=9632, Resulting Numbers: [9632] 9632,95 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 87, 22, 89, 10 ]
24
[ "89-87=2", "22-10=12", "2*12=24" ]
Current State: 24:[87, 22, 89, 10], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [22, 10, 2] Generated Node #2: [22, 10, 2] from Operation: 89-87=2 Current State: 24:[22, 10, 2], Operations: ['89-87=2'] Exploring Operation: 22-10=12, Resulting Numbers: [2, 12] Generated Node #3: [2, 12] from Operation: 22-10=12 Current State: 24:[2, 12], Operations: ['89-87=2', '22-10=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[87, 22, 89, 10], Operations: [] Exploring Operation: 87-22=65, Resulting Numbers: [89, 10, 65] Generated Node #0,0: 24:[89, 10, 65] Operation: 87-22=65 Exploring Operation: 89-22=67, Resulting Numbers: [87, 10, 67] Generated Node #0,1: 24:[87, 10, 67] Operation: 89-22=67 Exploring Operation: 89-87=2, Resulting Numbers: [22, 10, 2] Generated Node #0,2: 24:[22, 10, 2] Operation: 89-87=2 Exploring Operation: 89-10=79, Resulting Numbers: [87, 22, 79] Generated Node #0,3: 24:[87, 22, 79] Operation: 89-10=79 Exploring Operation: 87-10=77, Resulting Numbers: [22, 89, 77] Generated Node #0,4: 24:[22, 89, 77] Operation: 87-10=77 Moving to Node #0,2 Current State: 24:[22, 10, 2], Operations: ['89-87=2'] Exploring Operation: 10+2=12, Resulting Numbers: [22, 12] Generated Node #0,2,0: 24:[22, 12] Operation: 10+2=12 Exploring Operation: 22/2=11, Resulting Numbers: [10, 11] Generated Node #0,2,1: 24:[10, 11] Operation: 22/2=11 Exploring Operation: 10-2=8, Resulting Numbers: [22, 8] Generated Node #0,2,2: 24:[22, 8] Operation: 10-2=8 Exploring Operation: 22+2=24, Resulting Numbers: [10, 24] Generated Node #0,2,3: 24:[10, 24] Operation: 22+2=24 Exploring Operation: 22-10=12, Resulting Numbers: [2, 12] Generated Node #0,2,4: 24:[2, 12] Operation: 22-10=12 Moving to Node #0,1 Current State: 24:[87, 10, 67], Operations: ['89-22=67'] Exploring Operation: 10+67=77, Resulting Numbers: [87, 77] Generated Node #0,1,0: 24:[87, 77] Operation: 10+67=77 Exploring Operation: 87+10=97, Resulting Numbers: [67, 97] Generated Node #0,1,1: 24:[67, 97] Operation: 87+10=97 Exploring Operation: 67-10=57, Resulting Numbers: [87, 57] Generated Node #0,1,2: 24:[87, 57] Operation: 67-10=57 Exploring Operation: 87-67=20, Resulting Numbers: [10, 20] Generated Node #0,1,3: 24:[10, 20] Operation: 87-67=20 Exploring Operation: 87-10=77, Resulting Numbers: [67, 77] Generated Node #0,1,4: 24:[67, 77] Operation: 87-10=77 Moving to Node #0,0 Current State: 24:[89, 10, 65], Operations: ['87-22=65'] Exploring Operation: 89+10=99, Resulting Numbers: [65, 99] Generated Node #0,0,0: 24:[65, 99] Operation: 89+10=99 Exploring Operation: 10+65=75, Resulting Numbers: [89, 75] Generated Node #0,0,1: 24:[89, 75] Operation: 10+65=75 Exploring Operation: 89-10=79, Resulting Numbers: [65, 79] Generated Node #0,0,2: 24:[65, 79] Operation: 89-10=79 Exploring Operation: 89-65=24, Resulting Numbers: [10, 24] Generated Node #0,0,3: 24:[10, 24] Operation: 89-65=24 Exploring Operation: 65-10=55, Resulting Numbers: [89, 55] Generated Node #0,0,4: 24:[89, 55] Operation: 65-10=55 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 24:[10, 24], Operations: ['87-22=65', '89-65=24'] Exploring Operation: 10*24=240, Resulting Numbers: [240] 240,24 unequal: No Solution Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,24 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 24:[65, 79], Operations: ['87-22=65', '89-10=79'] Exploring Operation: 65*79=5135, Resulting Numbers: [5135] 5135,24 unequal: No Solution Exploring Operation: 65+79=144, Resulting Numbers: [144] 144,24 unequal: No Solution Exploring Operation: 79-65=14, Resulting Numbers: [14] 14,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 24:[89, 55], Operations: ['87-22=65', '65-10=55'] Exploring Operation: 89+55=144, Resulting Numbers: [144] 144,24 unequal: No Solution Exploring Operation: 89*55=4895, Resulting Numbers: [4895] 4895,24 unequal: No Solution Exploring Operation: 89-55=34, Resulting Numbers: [34] 34,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[65, 99], Operations: ['87-22=65', '89+10=99'] Exploring Operation: 65*99=6435, Resulting Numbers: [6435] 6435,24 unequal: No Solution Exploring Operation: 65+99=164, Resulting Numbers: [164] 164,24 unequal: No Solution Exploring Operation: 99-65=34, Resulting Numbers: [34] 34,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[89, 75], Operations: ['87-22=65', '10+65=75'] Exploring Operation: 89*75=6675, Resulting Numbers: [6675] 6675,24 unequal: No Solution Exploring Operation: 89+75=164, Resulting Numbers: [164] 164,24 unequal: No Solution Exploring Operation: 89-75=14, Resulting Numbers: [14] 14,24 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: 24:[87, 22, 79], Operations: ['89-10=79'] Exploring Operation: 87-79=8, Resulting Numbers: [22, 8] Generated Node #0,3,0: 24:[22, 8] Operation: 87-79=8 Exploring Operation: 79-22=57, Resulting Numbers: [87, 57] Generated Node #0,3,1: 24:[87, 57] Operation: 79-22=57 Exploring Operation: 87-22=65, Resulting Numbers: [79, 65] Generated Node #0,3,2: 24:[79, 65] Operation: 87-22=65 Exploring Operation: 87+22=109, Resulting Numbers: [79, 109] Generated Node #0,3,3: 24:[79, 109] Operation: 87+22=109 Exploring Operation: 22+79=101, Resulting Numbers: [87, 101] Generated Node #0,3,4: 24:[87, 101] Operation: 22+79=101 Moving to Node #0,4 Current State: 24:[22, 89, 77], Operations: ['87-10=77'] Exploring Operation: 89-77=12, Resulting Numbers: [22, 12] Generated Node #0,4,0: 24:[22, 12] Operation: 89-77=12 Exploring Operation: 22+77=99, Resulting Numbers: [89, 99] Generated Node #0,4,1: 24:[89, 99] Operation: 22+77=99 Exploring Operation: 22+89=111, Resulting Numbers: [77, 111] Generated Node #0,4,2: 24:[77, 111] Operation: 22+89=111 Exploring Operation: 89-22=67, Resulting Numbers: [77, 67] Generated Node #0,4,3: 24:[77, 67] Operation: 89-22=67 Exploring Operation: 77-22=55, Resulting Numbers: [89, 55] Generated Node #0,4,4: 24:[89, 55] Operation: 77-22=55 Moving to Node #0,2,4 Current State: 24:[2, 12], Operations: ['89-87=2', '22-10=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,24 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[87, 22, 89, 10], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [22, 10, 2] Generated Node #0,2: 24:[22, 10, 2] Operation: 89-87=2 Moving to Node #0,2 Current State: 24:[22, 10, 2], Operations: ['89-87=2'] Exploring Operation: 22-10=12, Resulting Numbers: [2, 12] Generated Node #0,2,4: 24:[2, 12] Operation: 22-10=12 Moving to Node #0,2,4 Current State: 24:[2, 12], Operations: ['89-87=2', '22-10=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.953993
hs_5
mult_heuristic
[ 35, 14, 40, 49 ]
42
[ "40*49=1960", "1960/35=56", "56-14=42" ]
Current State: 42:[35, 14, 40, 49], Operations: [] Exploring Operation: 40*49=1960, Resulting Numbers: [35, 14, 1960] Generated Node #2: [35, 14, 1960] from Operation: 40*49=1960 Current State: 42:[35, 14, 1960], Operations: ['40*49=1960'] Exploring Operation: 1960/35=56, Resulting Numbers: [14, 56] Generated Node #3: [14, 56] from Operation: 1960/35=56 Current State: 42:[14, 56], Operations: ['40*49=1960', '1960/35=56'] Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[35, 14, 40, 49], Operations: [] Exploring Operation: 49-35=14, Resulting Numbers: [14, 40, 14] Generated Node #0,0: 42:[14, 40, 14] Operation: 49-35=14 Exploring Operation: 40-35=5, Resulting Numbers: [14, 49, 5] Generated Node #0,1: 42:[14, 49, 5] Operation: 40-35=5 Exploring Operation: 35-14=21, Resulting Numbers: [40, 49, 21] Generated Node #0,2: 42:[40, 49, 21] Operation: 35-14=21 Exploring Operation: 49-40=9, Resulting Numbers: [35, 14, 9] Generated Node #0,3: 42:[35, 14, 9] Operation: 49-40=9 Moving to Node #0,0 Current State: 42:[14, 40, 14], Operations: ['49-35=14'] Exploring Operation: 40-14=26, Resulting Numbers: [14, 26] Generated Node #0,0,0: 42:[14, 26] Operation: 40-14=26 Exploring Operation: 40-14=26, Resulting Numbers: [14, 26] Generated Node #0,0,1: 42:[14, 26] Operation: 40-14=26 Exploring Operation: 14/14=1, Resulting Numbers: [40, 1] Generated Node #0,0,2: 42:[40, 1] Operation: 14/14=1 Exploring Operation: 14-14=0, Resulting Numbers: [40, 0] Generated Node #0,0,3: 42:[40, 0] Operation: 14-14=0 Moving to Node #0,1 Current State: 42:[14, 49, 5], Operations: ['40-35=5'] Exploring Operation: 49-5=44, Resulting Numbers: [14, 44] Generated Node #0,1,0: 42:[14, 44] Operation: 49-5=44 Exploring Operation: 14+5=19, Resulting Numbers: [49, 19] Generated Node #0,1,1: 42:[49, 19] Operation: 14+5=19 Exploring Operation: 14-5=9, Resulting Numbers: [49, 9] Generated Node #0,1,2: 42:[49, 9] Operation: 14-5=9 Exploring Operation: 49-14=35, Resulting Numbers: [5, 35] Generated Node #0,1,3: 42:[5, 35] Operation: 49-14=35 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[14, 44], Operations: ['40-35=5', '49-5=44'] Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,42 unequal: No Solution Exploring Operation: 14+44=58, Resulting Numbers: [58] 58,42 unequal: No Solution Exploring Operation: 14*44=616, Resulting Numbers: [616] 616,42 unequal: No Solution No 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: 42:[5, 35], Operations: ['40-35=5', '49-14=35'] Exploring Operation: 5*35=175, Resulting Numbers: [175] 175,42 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,42 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,42 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,42 unequal: No Solution No 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: 42:[49, 19], Operations: ['40-35=5', '14+5=19'] Exploring Operation: 49+19=68, Resulting Numbers: [68] 68,42 unequal: No Solution Exploring Operation: 49*19=931, Resulting Numbers: [931] 931,42 unequal: No Solution Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,42 unequal: No Solution No 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: 42:[49, 9], Operations: ['40-35=5', '14-5=9'] Exploring Operation: 49*9=441, Resulting Numbers: [441] 441,42 unequal: No Solution Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,42 unequal: No Solution Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,42 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: 42:[35, 14, 9], Operations: ['49-40=9'] Exploring Operation: 35-14=21, Resulting Numbers: [9, 21] Generated Node #0,3,0: 42:[9, 21] Operation: 35-14=21 Exploring Operation: 14-9=5, Resulting Numbers: [35, 5] Generated Node #0,3,1: 42:[35, 5] Operation: 14-9=5 Exploring Operation: 35+9=44, Resulting Numbers: [14, 44] Generated Node #0,3,2: 42:[14, 44] Operation: 35+9=44 Exploring Operation: 35-9=26, Resulting Numbers: [14, 26] Generated Node #0,3,3: 42:[14, 26] Operation: 35-9=26 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 42:[9, 21], Operations: ['49-40=9', '35-14=21'] Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,42 unequal: No Solution Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,42 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,42 unequal: No Solution No 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: 42:[14, 44], Operations: ['49-40=9', '35+9=44'] Exploring Operation: 14+44=58, Resulting Numbers: [58] 58,42 unequal: No Solution Exploring Operation: 14*44=616, Resulting Numbers: [616] 616,42 unequal: No Solution Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,42 unequal: No Solution No 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: 42:[14, 26], Operations: ['49-40=9', '35-9=26'] Exploring Operation: 14*26=364, Resulting Numbers: [364] 364,42 unequal: No Solution Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,42 unequal: No Solution Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,42 unequal: No Solution No 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: 42:[35, 5], Operations: ['49-40=9', '14-9=5'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,42 unequal: No Solution Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,42 unequal: No Solution Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,42 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,42 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: 42:[40, 49, 21], Operations: ['35-14=21'] Exploring Operation: 40-21=19, Resulting Numbers: [49, 19] Generated Node #0,2,0: 42:[49, 19] Operation: 40-21=19 Exploring Operation: 49-21=28, Resulting Numbers: [40, 28] Generated Node #0,2,1: 42:[40, 28] Operation: 49-21=28 Exploring Operation: 49-40=9, Resulting Numbers: [21, 9] Generated Node #0,2,2: 42:[21, 9] Operation: 49-40=9 Exploring Operation: 40+21=61, Resulting Numbers: [49, 61] Generated Node #0,2,3: 42:[49, 61] Operation: 40+21=61 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 42:[21, 9], Operations: ['35-14=21', '49-40=9'] Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,42 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,42 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,42 unequal: No Solution No 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: 42:[49, 19], Operations: ['35-14=21', '40-21=19'] Exploring Operation: 49+19=68, Resulting Numbers: [68] 68,42 unequal: No Solution Exploring Operation: 49*19=931, Resulting Numbers: [931] 931,42 unequal: No Solution Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,42 unequal: No Solution No 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: 42:[40, 28], Operations: ['35-14=21', '49-21=28'] Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,42 unequal: No Solution Exploring Operation: 40*28=1120, Resulting Numbers: [1120] 1120,42 unequal: No Solution Exploring Operation: 40+28=68, Resulting Numbers: [68] 68,42 unequal: No Solution No 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: 42:[49, 61], Operations: ['35-14=21', '40+21=61'] Exploring Operation: 49*61=2989, Resulting Numbers: [2989] 2989,42 unequal: No Solution Exploring Operation: 61-49=12, Resulting Numbers: [12] 12,42 unequal: No Solution Exploring Operation: 49+61=110, Resulting Numbers: [110] 110,42 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: 42:[40, 1], Operations: ['49-35=14', '14/14=1'] Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,42 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,42 unequal: No Solution Exploring Operation: 40*1=40, Resulting Numbers: [40] 40,42 unequal: No Solution Exploring Operation: 40+1=41, Resulting Numbers: [41] 41,42 unequal: No Solution Moving to Node #0,0,3 Current State: 42:[40, 0], Operations: ['49-35=14', '14-14=0'] Exploring Operation: 40*0=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 40-0=40, Resulting Numbers: [40] 40,42 unequal: No Solution Exploring Operation: 40+0=40, Resulting Numbers: [40] 40,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[14, 26], Operations: ['49-35=14', '40-14=26'] Exploring Operation: 14*26=364, Resulting Numbers: [364] 364,42 unequal: No Solution Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,42 unequal: No Solution Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[14, 26], Operations: ['49-35=14', '40-14=26'] Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,42 unequal: No Solution Exploring Operation: 14*26=364, Resulting Numbers: [364] 364,42 unequal: No Solution Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,42 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 24, 77, 23, 23 ]
52
[ "77-24=53", "23/23=1", "53-1=52" ]
Current State: 52:[24, 77, 23, 23], Operations: [] Exploring Operation: 77-24=53, Resulting Numbers: [23, 23, 53] Generated Node #2: [23, 23, 53] from Operation: 77-24=53 Current State: 52:[23, 23, 53], Operations: ['77-24=53'] Exploring Operation: 23/23=1, Resulting Numbers: [53, 1] Generated Node #3: [53, 1] from Operation: 23/23=1 Current State: 52:[53, 1], Operations: ['77-24=53', '23/23=1'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[24, 77, 23, 23], Operations: [] Exploring Operation: 77-23=54, Resulting Numbers: [24, 23, 54] Generated Node #0,0: 52:[24, 23, 54] Operation: 77-23=54 Exploring Operation: 77-23=54, Resulting Numbers: [24, 23, 54] Generated Node #0,1: 52:[24, 23, 54] Operation: 77-23=54 Exploring Operation: 77-24=53, Resulting Numbers: [23, 23, 53] Generated Node #0,2: 52:[23, 23, 53] Operation: 77-24=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[24, 23, 54], Operations: ['77-23=54'] Exploring Operation: 24-23=1, Resulting Numbers: [54, 1] Generated Node #0,0,0: 52:[54, 1] Operation: 24-23=1 Exploring Operation: 24+23=47, Resulting Numbers: [54, 47] Generated Node #0,0,1: 52:[54, 47] Operation: 24+23=47 Exploring Operation: 54-24=30, Resulting Numbers: [23, 30] Generated Node #0,0,2: 52:[23, 30] Operation: 54-24=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[54, 1], Operations: ['77-23=54', '24-23=1'] Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 52:[54, 47], Operations: ['77-23=54', '24+23=47'] Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 54+47=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 54*47=2538, Resulting Numbers: [2538] 2538,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 52:[23, 30], Operations: ['77-23=54', '54-24=30'] Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 23*30=690, Resulting Numbers: [690] 690,52 unequal: No Solution Exploring Operation: 23+30=53, Resulting Numbers: [53] 53,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[24, 23, 54], Operations: ['77-23=54'] Exploring Operation: 54-24=30, Resulting Numbers: [23, 30] Generated Node #0,1,0: 52:[23, 30] Operation: 54-24=30 Exploring Operation: 24-23=1, Resulting Numbers: [54, 1] Generated Node #0,1,1: 52:[54, 1] Operation: 24-23=1 Exploring Operation: 24+23=47, Resulting Numbers: [54, 47] Generated Node #0,1,2: 52:[54, 47] Operation: 24+23=47 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 52:[54, 1], Operations: ['77-23=54', '24-23=1'] Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[23, 30], Operations: ['77-23=54', '54-24=30'] Exploring Operation: 23+30=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 23*30=690, Resulting Numbers: [690] 690,52 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 52:[54, 47], Operations: ['77-23=54', '24+23=47'] Exploring Operation: 54+47=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 54*47=2538, Resulting Numbers: [2538] 2538,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[23, 23, 53], Operations: ['77-24=53'] Exploring Operation: 23-23=0, Resulting Numbers: [53, 0] Generated Node #0,2,0: 52:[53, 0] Operation: 23-23=0 Exploring Operation: 23/23=1, Resulting Numbers: [53, 1] Generated Node #0,2,1: 52:[53, 1] Operation: 23/23=1 Exploring Operation: 23+23=46, Resulting Numbers: [53, 46] Generated Node #0,2,2: 52:[53, 46] Operation: 23+23=46 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 52:[53, 1], Operations: ['77-24=53', '23/23=1'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[24, 77, 23, 23], Operations: [] Exploring Operation: 77-24=53, Resulting Numbers: [23, 23, 53] Generated Node #0,2: 52:[23, 23, 53] Operation: 77-24=53 Moving to Node #0,2 Current State: 52:[23, 23, 53], Operations: ['77-24=53'] Exploring Operation: 23/23=1, Resulting Numbers: [53, 1] Generated Node #0,2,1: 52:[53, 1] Operation: 23/23=1 Moving to Node #0,2,1 Current State: 52:[53, 1], Operations: ['77-24=53', '23/23=1'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_3
sum_heuristic
[ 46, 84, 37, 61 ]
62
[ "84-46=38", "61-37=24", "38+24=62" ]
Current State: 62:[46, 84, 37, 61], Operations: [] Exploring Operation: 84-46=38, Resulting Numbers: [37, 61, 38] Generated Node #2: [37, 61, 38] from Operation: 84-46=38 Current State: 62:[37, 61, 38], Operations: ['84-46=38'] Exploring Operation: 61-37=24, Resulting Numbers: [38, 24] Generated Node #3: [38, 24] from Operation: 61-37=24 Current State: 62:[38, 24], Operations: ['84-46=38', '61-37=24'] Exploring Operation: 38+24=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[46, 84, 37, 61], Operations: [] Exploring Operation: 84-61=23, Resulting Numbers: [46, 37, 23] Generated Node #0,0: 62:[46, 37, 23] Operation: 84-61=23 Exploring Operation: 84-46=38, Resulting Numbers: [37, 61, 38] Generated Node #0,1: 62:[37, 61, 38] Operation: 84-46=38 Exploring Operation: 61-46=15, Resulting Numbers: [84, 37, 15] Generated Node #0,2: 62:[84, 37, 15] Operation: 61-46=15 Exploring Operation: 84-37=47, Resulting Numbers: [46, 61, 47] Generated Node #0,3: 62:[46, 61, 47] Operation: 84-37=47 Exploring Operation: 46-37=9, Resulting Numbers: [84, 61, 9] Generated Node #0,4: 62:[84, 61, 9] Operation: 46-37=9 Moving to Node #0,1 Current State: 62:[37, 61, 38], Operations: ['84-46=38'] Exploring Operation: 61-37=24, Resulting Numbers: [38, 24] Generated Node #0,1,0: 62:[38, 24] Operation: 61-37=24 Exploring Operation: 37+38=75, Resulting Numbers: [61, 75] Generated Node #0,1,1: 62:[61, 75] Operation: 37+38=75 Exploring Operation: 37+61=98, Resulting Numbers: [38, 98] Generated Node #0,1,2: 62:[38, 98] Operation: 37+61=98 Exploring Operation: 38-37=1, Resulting Numbers: [61, 1] Generated Node #0,1,3: 62:[61, 1] Operation: 38-37=1 Exploring Operation: 61-38=23, Resulting Numbers: [37, 23] Generated Node #0,1,4: 62:[37, 23] Operation: 61-38=23 Moving to Node #0,0 Current State: 62:[46, 37, 23], Operations: ['84-61=23'] Exploring Operation: 46/23=2, Resulting Numbers: [37, 2] Generated Node #0,0,0: 62:[37, 2] Operation: 46/23=2 Exploring Operation: 46-37=9, Resulting Numbers: [23, 9] Generated Node #0,0,1: 62:[23, 9] Operation: 46-37=9 Exploring Operation: 37+23=60, Resulting Numbers: [46, 60] Generated Node #0,0,2: 62:[46, 60] Operation: 37+23=60 Exploring Operation: 46-23=23, Resulting Numbers: [37, 23] Generated Node #0,0,3: 62:[37, 23] Operation: 46-23=23 Exploring Operation: 46+23=69, Resulting Numbers: [37, 69] Generated Node #0,0,4: 62:[37, 69] Operation: 46+23=69 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[37, 2], Operations: ['84-61=23', '46/23=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,62 unequal: No Solution Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 62:[37, 69], Operations: ['84-61=23', '46+23=69'] Exploring Operation: 69-37=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 37*69=2553, Resulting Numbers: [2553] 2553,62 unequal: No Solution Exploring Operation: 37+69=106, Resulting Numbers: [106] 106,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 62:[37, 23], Operations: ['84-61=23', '46-23=23'] Exploring Operation: 37*23=851, Resulting Numbers: [851] 851,62 unequal: No Solution Exploring Operation: 37+23=60, Resulting Numbers: [60] 60,62 unequal: No Solution Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[23, 9], Operations: ['84-61=23', '46-37=9'] Exploring Operation: 23*9=207, Resulting Numbers: [207] 207,62 unequal: No Solution Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[46, 60], Operations: ['84-61=23', '37+23=60'] Exploring Operation: 46+60=106, Resulting Numbers: [106] 106,62 unequal: No Solution Exploring Operation: 46*60=2760, Resulting Numbers: [2760] 2760,62 unequal: No Solution Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,62 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: 62:[84, 61, 9], Operations: ['46-37=9'] Exploring Operation: 61-9=52, Resulting Numbers: [84, 52] Generated Node #0,4,0: 62:[84, 52] Operation: 61-9=52 Exploring Operation: 84-61=23, Resulting Numbers: [9, 23] Generated Node #0,4,1: 62:[9, 23] Operation: 84-61=23 Exploring Operation: 61+9=70, Resulting Numbers: [84, 70] Generated Node #0,4,2: 62:[84, 70] Operation: 61+9=70 Exploring Operation: 84-9=75, Resulting Numbers: [61, 75] Generated Node #0,4,3: 62:[61, 75] Operation: 84-9=75 Exploring Operation: 84+9=93, Resulting Numbers: [61, 93] Generated Node #0,4,4: 62:[61, 93] Operation: 84+9=93 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 62:[61, 75], Operations: ['46-37=9', '84-9=75'] Exploring Operation: 61+75=136, Resulting Numbers: [136] 136,62 unequal: No Solution Exploring Operation: 75-61=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 61*75=4575, Resulting Numbers: [4575] 4575,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 62:[9, 23], Operations: ['46-37=9', '84-61=23'] Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 9*23=207, Resulting Numbers: [207] 207,62 unequal: No Solution Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 62:[84, 70], Operations: ['46-37=9', '61+9=70'] Exploring Operation: 84+70=154, Resulting Numbers: [154] 154,62 unequal: No Solution Exploring Operation: 84-70=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 84*70=5880, Resulting Numbers: [5880] 5880,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 62:[84, 52], Operations: ['46-37=9', '61-9=52'] Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 84*52=4368, Resulting Numbers: [4368] 4368,62 unequal: No Solution Exploring Operation: 84+52=136, Resulting Numbers: [136] 136,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 62:[61, 93], Operations: ['46-37=9', '84+9=93'] Exploring Operation: 93-61=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 61*93=5673, Resulting Numbers: [5673] 5673,62 unequal: No Solution Exploring Operation: 61+93=154, Resulting Numbers: [154] 154,62 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: 62:[46, 61, 47], Operations: ['84-37=47'] Exploring Operation: 47-46=1, Resulting Numbers: [61, 1] Generated Node #0,3,0: 62:[61, 1] Operation: 47-46=1 Exploring Operation: 61-46=15, Resulting Numbers: [47, 15] Generated Node #0,3,1: 62:[47, 15] Operation: 61-46=15 Exploring Operation: 61-47=14, Resulting Numbers: [46, 14] Generated Node #0,3,2: 62:[46, 14] Operation: 61-47=14 Exploring Operation: 46+47=93, Resulting Numbers: [61, 93] Generated Node #0,3,3: 62:[61, 93] Operation: 46+47=93 Exploring Operation: 46+61=107, Resulting Numbers: [47, 107] Generated Node #0,3,4: 62:[47, 107] Operation: 46+61=107 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 62:[61, 1], Operations: ['84-37=47', '47-46=1'] Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,62 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,62 unequal: No Solution Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,62 unequal: No Solution Exploring Operation: 61+1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[46, 84, 37, 61], Operations: [] Exploring Operation: 84-37=47, Resulting Numbers: [46, 61, 47] Generated Node #0,3: 62:[46, 61, 47] Operation: 84-37=47 Moving to Node #0,3 Current State: 62:[46, 61, 47], Operations: ['84-37=47'] Exploring Operation: 47-46=1, Resulting Numbers: [61, 1] Generated Node #0,3,0: 62:[61, 1] Operation: 47-46=1 Moving to Node #0,3,0 Current State: 62:[61, 1], Operations: ['84-37=47', '47-46=1'] Exploring Operation: 61+1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.945313
hs_5
mult_heuristic
[ 68, 28, 65, 73 ]
24
[ "28*65=1820", "1820-68=1752", "1752/73=24" ]
Current State: 24:[68, 28, 65, 73], Operations: [] Exploring Operation: 28*65=1820, Resulting Numbers: [68, 73, 1820] Generated Node #2: [68, 73, 1820] from Operation: 28*65=1820 Current State: 24:[68, 73, 1820], Operations: ['28*65=1820'] Exploring Operation: 1820-68=1752, Resulting Numbers: [73, 1752] Generated Node #3: [73, 1752] from Operation: 1820-68=1752 Current State: 24:[73, 1752], Operations: ['28*65=1820', '1820-68=1752'] Exploring Operation: 1752/73=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[68, 28, 65, 73], Operations: [] Exploring Operation: 73-65=8, Resulting Numbers: [68, 28, 8] Generated Node #0,0: 24:[68, 28, 8] Operation: 73-65=8 Exploring Operation: 73-68=5, Resulting Numbers: [28, 65, 5] Generated Node #0,1: 24:[28, 65, 5] Operation: 73-68=5 Exploring Operation: 68-28=40, Resulting Numbers: [65, 73, 40] Generated Node #0,2: 24:[65, 73, 40] Operation: 68-28=40 Exploring Operation: 68-65=3, Resulting Numbers: [28, 73, 3] Generated Node #0,3: 24:[28, 73, 3] Operation: 68-65=3 Moving to Node #0,1 Current State: 24:[28, 65, 5], Operations: ['73-68=5'] Exploring Operation: 28-5=23, Resulting Numbers: [65, 23] Generated Node #0,1,0: 24:[65, 23] Operation: 28-5=23 Exploring Operation: 65-28=37, Resulting Numbers: [5, 37] Generated Node #0,1,1: 24:[5, 37] Operation: 65-28=37 Exploring Operation: 65-5=60, Resulting Numbers: [28, 60] Generated Node #0,1,2: 24:[28, 60] Operation: 65-5=60 Exploring Operation: 65/5=13, Resulting Numbers: [28, 13] Generated Node #0,1,3: 24:[28, 13] Operation: 65/5=13 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 24:[28, 13], Operations: ['73-68=5', '65/5=13'] Exploring Operation: 28+13=41, Resulting Numbers: [41] 41,24 unequal: No Solution Exploring Operation: 28*13=364, Resulting Numbers: [364] 364,24 unequal: No Solution Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[5, 37], Operations: ['73-68=5', '65-28=37'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,24 unequal: No Solution Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,24 unequal: No Solution Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 24:[28, 60], Operations: ['73-68=5', '65-5=60'] Exploring Operation: 28+60=88, Resulting Numbers: [88] 88,24 unequal: No Solution Exploring Operation: 28*60=1680, Resulting Numbers: [1680] 1680,24 unequal: No Solution Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[65, 23], Operations: ['73-68=5', '28-5=23'] Exploring Operation: 65*23=1495, Resulting Numbers: [1495] 1495,24 unequal: No Solution Exploring Operation: 65-23=42, Resulting Numbers: [42] 42,24 unequal: No Solution Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 24:[68, 28, 8], Operations: ['73-65=8'] Exploring Operation: 68-8=60, Resulting Numbers: [28, 60] Generated Node #0,0,0: 24:[28, 60] Operation: 68-8=60 Exploring Operation: 68-28=40, Resulting Numbers: [8, 40] Generated Node #0,0,1: 24:[8, 40] Operation: 68-28=40 Exploring Operation: 28-8=20, Resulting Numbers: [68, 20] Generated Node #0,0,2: 24:[68, 20] Operation: 28-8=20 Exploring Operation: 68+8=76, Resulting Numbers: [28, 76] Generated Node #0,0,3: 24:[28, 76] Operation: 68+8=76 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[8, 40], Operations: ['73-65=8', '68-28=40'] Exploring Operation: 8*40=320, Resulting Numbers: [320] 320,24 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 8+40=48, Resulting Numbers: [48] 48,24 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[28, 60], Operations: ['73-65=8', '68-8=60'] Exploring Operation: 28*60=1680, Resulting Numbers: [1680] 1680,24 unequal: No Solution Exploring Operation: 28+60=88, Resulting Numbers: [88] 88,24 unequal: No Solution Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 24:[68, 20], Operations: ['73-65=8', '28-8=20'] Exploring Operation: 68*20=1360, Resulting Numbers: [1360] 1360,24 unequal: No Solution Exploring Operation: 68-20=48, Resulting Numbers: [48] 48,24 unequal: No Solution Exploring Operation: 68+20=88, Resulting Numbers: [88] 88,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 24:[28, 76], Operations: ['73-65=8', '68+8=76'] Exploring Operation: 28*76=2128, Resulting Numbers: [2128] 2128,24 unequal: No Solution Exploring Operation: 28+76=104, Resulting Numbers: [104] 104,24 unequal: No Solution Exploring Operation: 76-28=48, Resulting Numbers: [48] 48,24 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: 24:[28, 73, 3], Operations: ['68-65=3'] Exploring Operation: 28+3=31, Resulting Numbers: [73, 31] Generated Node #0,3,0: 24:[73, 31] Operation: 28+3=31 Exploring Operation: 73-28=45, Resulting Numbers: [3, 45] Generated Node #0,3,1: 24:[3, 45] Operation: 73-28=45 Exploring Operation: 73-3=70, Resulting Numbers: [28, 70] Generated Node #0,3,2: 24:[28, 70] Operation: 73-3=70 Exploring Operation: 28-3=25, Resulting Numbers: [73, 25] Generated Node #0,3,3: 24:[73, 25] Operation: 28-3=25 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 24:[3, 45], Operations: ['68-65=3', '73-28=45'] Exploring Operation: 3*45=135, Resulting Numbers: [135] 135,24 unequal: No Solution Exploring Operation: 3+45=48, Resulting Numbers: [48] 48,24 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,24 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 24:[28, 70], Operations: ['68-65=3', '73-3=70'] Exploring Operation: 28+70=98, Resulting Numbers: [98] 98,24 unequal: No Solution Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,24 unequal: No Solution Exploring Operation: 28*70=1960, Resulting Numbers: [1960] 1960,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 24:[73, 25], Operations: ['68-65=3', '28-3=25'] Exploring Operation: 73-25=48, Resulting Numbers: [48] 48,24 unequal: No Solution Exploring Operation: 73*25=1825, Resulting Numbers: [1825] 1825,24 unequal: No Solution Exploring Operation: 73+25=98, Resulting Numbers: [98] 98,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 24:[73, 31], Operations: ['68-65=3', '28+3=31'] Exploring Operation: 73+31=104, Resulting Numbers: [104] 104,24 unequal: No Solution Exploring Operation: 73*31=2263, Resulting Numbers: [2263] 2263,24 unequal: No Solution Exploring Operation: 73-31=42, Resulting Numbers: [42] 42,24 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: 24:[65, 73, 40], Operations: ['68-28=40'] Exploring Operation: 73-40=33, Resulting Numbers: [65, 33] Generated Node #0,2,0: 24:[65, 33] Operation: 73-40=33 Exploring Operation: 65+73=138, Resulting Numbers: [40, 138] Generated Node #0,2,1: 24:[40, 138] Operation: 65+73=138 Exploring Operation: 73-65=8, Resulting Numbers: [40, 8] Generated Node #0,2,2: 24:[40, 8] Operation: 73-65=8 Exploring Operation: 65-40=25, Resulting Numbers: [73, 25] Generated Node #0,2,3: 24:[73, 25] Operation: 65-40=25 Moving to Node #0,2,2 Current State: 24:[40, 8], Operations: ['68-28=40', '73-65=8'] Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,24 unequal: No Solution Exploring Operation: 40*8=320, Resulting Numbers: [320] 320,24 unequal: No Solution Exploring Operation: 40+8=48, Resulting Numbers: [48] 48,24 unequal: No Solution Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,24 unequal: No Solution Moving to Node #0,2,3 Current State: 24:[73, 25], Operations: ['68-28=40', '65-40=25'] Exploring Operation: 73+25=98, Resulting Numbers: [98] 98,24 unequal: No Solution Exploring Operation: 73*25=1825, Resulting Numbers: [1825] 1825,24 unequal: No Solution Exploring Operation: 73-25=48, Resulting Numbers: [48] 48,24 unequal: No Solution Moving to Node #0,2,0 Current State: 24:[65, 33], Operations: ['68-28=40', '73-40=33'] Exploring Operation: 65*33=2145, Resulting Numbers: [2145] 2145,24 unequal: No Solution Exploring Operation: 65-33=32, Resulting Numbers: [32] 32,24 unequal: No Solution Exploring Operation: 65+33=98, Resulting Numbers: [98] 98,24 unequal: No Solution Moving to Node #0,2,1 Current State: 24:[40, 138], Operations: ['68-28=40', '65+73=138'] Exploring Operation: 40*138=5520, Resulting Numbers: [5520] 5520,24 unequal: No Solution Exploring Operation: 138-40=98, Resulting Numbers: [98] 98,24 unequal: No Solution Exploring Operation: 40+138=178, Resulting Numbers: [178] 178,24 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 17, 9, 4, 8 ]
25
[ "17*8=136", "136/4=34", "34-9=25" ]
Current State: 25:[17, 9, 4, 8], Operations: [] Exploring Operation: 17*8=136, Resulting Numbers: [9, 4, 136] Generated Node #2: [9, 4, 136] from Operation: 17*8=136 Current State: 25:[9, 4, 136], Operations: ['17*8=136'] Exploring Operation: 136/4=34, Resulting Numbers: [9, 34] Generated Node #3: [9, 34] from Operation: 136/4=34 Current State: 25:[9, 34], Operations: ['17*8=136', '136/4=34'] Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[17, 9, 4, 8], Operations: [] Exploring Operation: 17+8=25, Resulting Numbers: [9, 4, 25] Generated Node #0,0: 25:[9, 4, 25] Operation: 17+8=25 Exploring Operation: 17+9=26, Resulting Numbers: [4, 8, 26] Generated Node #0,1: 25:[4, 8, 26] Operation: 17+9=26 Moving to Node #0,0 Current State: 25:[9, 4, 25], Operations: ['17+8=25'] Exploring Operation: 9+4=13, Resulting Numbers: [25, 13] Generated Node #0,0,0: 25:[25, 13] Operation: 9+4=13 Exploring Operation: 9-4=5, Resulting Numbers: [25, 5] Generated Node #0,0,1: 25:[25, 5] Operation: 9-4=5 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[25, 5], Operations: ['17+8=25', '9-4=5'] Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,25 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[25, 13], Operations: ['17+8=25', '9+4=13'] Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,25 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: 25:[4, 8, 26], Operations: ['17+9=26'] Exploring Operation: 8-4=4, Resulting Numbers: [26, 4] Generated Node #0,1,0: 25:[26, 4] Operation: 8-4=4 Exploring Operation: 8/4=2, Resulting Numbers: [26, 2] Generated Node #0,1,1: 25:[26, 2] Operation: 8/4=2 Moving to Node #0,1,0 Current State: 25:[26, 4], Operations: ['17+9=26', '8-4=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,25 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[26, 2], Operations: ['17+9=26', '8/4=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,25 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 19, 16, 9, 17 ]
72
[ "19-17=2", "16*9=144", "144/2=72" ]
Current State: 72:[19, 16, 9, 17], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [16, 9, 2] Generated Node #2: [16, 9, 2] from Operation: 19-17=2 Current State: 72:[16, 9, 2], Operations: ['19-17=2'] Exploring Operation: 16*9=144, Resulting Numbers: [2, 144] Generated Node #3: [2, 144] from Operation: 16*9=144 Current State: 72:[2, 144], Operations: ['19-17=2', '16*9=144'] Exploring Operation: 144/2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[19, 16, 9, 17], Operations: [] Exploring Operation: 19-16=3, Resulting Numbers: [9, 17, 3] Generated Node #0,0: 72:[9, 17, 3] Operation: 19-16=3 Exploring Operation: 19+16=35, Resulting Numbers: [9, 17, 35] Generated Node #0,1: 72:[9, 17, 35] Operation: 19+16=35 Moving to Node #0,0 Current State: 72:[9, 17, 3], Operations: ['19-16=3'] Exploring Operation: 17-9=8, Resulting Numbers: [3, 8] Generated Node #0,0,0: 72:[3, 8] Operation: 17-9=8 Exploring Operation: 9+3=12, Resulting Numbers: [17, 12] Generated Node #0,0,1: 72:[17, 12] Operation: 9+3=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[3, 8], Operations: ['19-16=3', '17-9=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,72 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:[17, 12], Operations: ['19-16=3', '9+3=12'] Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,72 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: 72:[9, 17, 35], Operations: ['19+16=35'] Exploring Operation: 35-17=18, Resulting Numbers: [9, 18] Generated Node #0,1,0: 72:[9, 18] Operation: 35-17=18 Exploring Operation: 17-9=8, Resulting Numbers: [35, 8] Generated Node #0,1,1: 72:[35, 8] Operation: 17-9=8 Moving to Node #0,1,0 Current State: 72:[9, 18], Operations: ['19+16=35', '35-17=18'] Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[35, 8], Operations: ['19+16=35', '17-9=8'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,72 unequal: No Solution Exploring Operation: 35+8=43, Resulting Numbers: [43] 43,72 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 36, 47, 6, 59 ]
34
[ "59-47=12", "12/6=2", "36-2=34" ]
Current State: 34:[36, 47, 6, 59], Operations: [] Exploring Operation: 59-47=12, Resulting Numbers: [36, 6, 12] Generated Node #2: [36, 6, 12] from Operation: 59-47=12 Current State: 34:[36, 6, 12], Operations: ['59-47=12'] Exploring Operation: 12/6=2, Resulting Numbers: [36, 2] Generated Node #3: [36, 2] from Operation: 12/6=2 Current State: 34:[36, 2], Operations: ['59-47=12', '12/6=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[36, 47, 6, 59], Operations: [] Exploring Operation: 47-6=41, Resulting Numbers: [36, 59, 41] Generated Node #0,0: 34:[36, 59, 41] Operation: 47-6=41 Exploring Operation: 59-47=12, Resulting Numbers: [36, 6, 12] Generated Node #0,1: 34:[36, 6, 12] Operation: 59-47=12 Exploring Operation: 59-6=53, Resulting Numbers: [36, 47, 53] Generated Node #0,2: 34:[36, 47, 53] Operation: 59-6=53 Exploring Operation: 59-36=23, Resulting Numbers: [47, 6, 23] Generated Node #0,3: 34:[47, 6, 23] Operation: 59-36=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[36, 6, 12], Operations: ['59-47=12'] Exploring Operation: 36/12=3, Resulting Numbers: [6, 3] Generated Node #0,1,0: 34:[6, 3] Operation: 36/12=3 Exploring Operation: 12/6=2, Resulting Numbers: [36, 2] Generated Node #0,1,1: 34:[36, 2] Operation: 12/6=2 Exploring Operation: 6+12=18, Resulting Numbers: [36, 18] Generated Node #0,1,2: 34:[36, 18] Operation: 6+12=18 Exploring Operation: 12-6=6, Resulting Numbers: [36, 6] Generated Node #0,1,3: 34:[36, 6] Operation: 12-6=6 Moving to Node #0,1,1 Current State: 34:[36, 2], Operations: ['59-47=12', '12/6=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[36, 47, 6, 59], Operations: [] Exploring Operation: 59-47=12, Resulting Numbers: [36, 6, 12] Generated Node #0,1: 34:[36, 6, 12] Operation: 59-47=12 Moving to Node #0,1 Current State: 34:[36, 6, 12], Operations: ['59-47=12'] Exploring Operation: 12/6=2, Resulting Numbers: [36, 2] Generated Node #0,1,1: 34:[36, 2] Operation: 12/6=2 Moving to Node #0,1,1 Current State: 34:[36, 2], Operations: ['59-47=12', '12/6=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 88, 78, 31, 2 ]
96
[ "88-31=57", "78/2=39", "57+39=96" ]
Current State: 96:[88, 78, 31, 2], Operations: [] Exploring Operation: 88-31=57, Resulting Numbers: [78, 2, 57] Generated Node #2: [78, 2, 57] from Operation: 88-31=57 Current State: 96:[78, 2, 57], Operations: ['88-31=57'] Exploring Operation: 78/2=39, Resulting Numbers: [57, 39] Generated Node #3: [57, 39] from Operation: 78/2=39 Current State: 96:[57, 39], Operations: ['88-31=57', '78/2=39'] Exploring Operation: 57+39=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[88, 78, 31, 2], Operations: [] Exploring Operation: 88-78=10, Resulting Numbers: [31, 2, 10] Generated Node #0,0: 96:[31, 2, 10] Operation: 88-78=10 Exploring Operation: 78-31=47, Resulting Numbers: [88, 2, 47] Generated Node #0,1: 96:[88, 2, 47] Operation: 78-31=47 Exploring Operation: 78/2=39, Resulting Numbers: [88, 31, 39] Generated Node #0,2: 96:[88, 31, 39] Operation: 78/2=39 Exploring Operation: 78+31=109, Resulting Numbers: [88, 2, 109] Generated Node #0,3: 96:[88, 2, 109] Operation: 78+31=109 Moving to Node #0,0 Current State: 96:[31, 2, 10], Operations: ['88-78=10'] Exploring Operation: 2+10=12, Resulting Numbers: [31, 12] Generated Node #0,0,0: 96:[31, 12] Operation: 2+10=12 Exploring Operation: 10/2=5, Resulting Numbers: [31, 5] Generated Node #0,0,1: 96:[31, 5] Operation: 10/2=5 Exploring Operation: 10-2=8, Resulting Numbers: [31, 8] Generated Node #0,0,2: 96:[31, 8] Operation: 10-2=8 Exploring Operation: 31+2=33, Resulting Numbers: [10, 33] Generated Node #0,0,3: 96:[10, 33] Operation: 31+2=33 Moving to Node #0,1 Current State: 96:[88, 2, 47], Operations: ['78-31=47'] Exploring Operation: 88+2=90, Resulting Numbers: [47, 90] Generated Node #0,1,0: 96:[47, 90] Operation: 88+2=90 Exploring Operation: 88-47=41, Resulting Numbers: [2, 41] Generated Node #0,1,1: 96:[2, 41] Operation: 88-47=41 Exploring Operation: 2+47=49, Resulting Numbers: [88, 49] Generated Node #0,1,2: 96:[88, 49] Operation: 2+47=49 Exploring Operation: 88/2=44, Resulting Numbers: [47, 44] Generated Node #0,1,3: 96:[47, 44] Operation: 88/2=44 Moving to Node #0,2 Current State: 96:[88, 31, 39], Operations: ['78/2=39'] Exploring Operation: 88-39=49, Resulting Numbers: [31, 49] Generated Node #0,2,0: 96:[31, 49] Operation: 88-39=49 Exploring Operation: 88-31=57, Resulting Numbers: [39, 57] Generated Node #0,2,1: 96:[39, 57] Operation: 88-31=57 Exploring Operation: 39-31=8, Resulting Numbers: [88, 8] Generated Node #0,2,2: 96:[88, 8] Operation: 39-31=8 Exploring Operation: 88+31=119, Resulting Numbers: [39, 119] Generated Node #0,2,3: 96:[39, 119] Operation: 88+31=119 Moving to Node #0,3 Current State: 96:[88, 2, 109], Operations: ['78+31=109'] Exploring Operation: 109-88=21, Resulting Numbers: [2, 21] Generated Node #0,3,0: 96:[2, 21] Operation: 109-88=21 Exploring Operation: 88+2=90, Resulting Numbers: [109, 90] Generated Node #0,3,1: 96:[109, 90] Operation: 88+2=90 Exploring Operation: 88/2=44, Resulting Numbers: [109, 44] Generated Node #0,3,2: 96:[109, 44] Operation: 88/2=44 Exploring Operation: 109-2=107, Resulting Numbers: [88, 107] Generated Node #0,3,3: 96:[88, 107] Operation: 109-2=107 Moving to Node #0,0,0 Current State: 96:[31, 12], Operations: ['88-78=10', '2+10=12'] Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,96 unequal: No Solution Exploring Operation: 31+12=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 31*12=372, Resulting Numbers: [372] 372,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[31, 8], Operations: ['88-78=10', '10-2=8'] Exploring Operation: 31*8=248, Resulting Numbers: [248] 248,96 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,96 unequal: No Solution Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[31, 5], Operations: ['88-78=10', '10/2=5'] Exploring Operation: 31*5=155, Resulting Numbers: [155] 155,96 unequal: No Solution Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,96 unequal: No Solution Exploring Operation: 31+5=36, Resulting Numbers: [36] 36,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[31, 49], Operations: ['78/2=39', '88-39=49'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,96 unequal: No Solution Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,96 unequal: No Solution Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,96 unequal: No Solution Moving to Node #0,3,0 Current State: 96:[2, 21], Operations: ['78+31=109', '109-88=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,96 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,96 unequal: No Solution Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,96 unequal: No Solution Moving to Node #0,0,3 Current State: 96:[10, 33], Operations: ['88-78=10', '31+2=33'] Exploring Operation: 10*33=330, Resulting Numbers: [330] 330,96 unequal: No Solution Exploring Operation: 10+33=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,96 unequal: No Solution Moving to Node #0,1,3 Current State: 96:[47, 44], Operations: ['78-31=47', '88/2=44'] Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 47*44=2068, Resulting Numbers: [2068] 2068,96 unequal: No Solution Exploring Operation: 47+44=91, Resulting Numbers: [91] 91,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[2, 41], Operations: ['78-31=47', '88-47=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,96 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[47, 90], Operations: ['78-31=47', '88+2=90'] Exploring Operation: 47+90=137, Resulting Numbers: [137] 137,96 unequal: No Solution Exploring Operation: 90-47=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 47*90=4230, Resulting Numbers: [4230] 4230,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[88, 8], Operations: ['78/2=39', '39-31=8'] Exploring Operation: 88+8=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[88, 78, 31, 2], Operations: [] Exploring Operation: 78/2=39, Resulting Numbers: [88, 31, 39] Generated Node #0,2: 96:[88, 31, 39] Operation: 78/2=39 Moving to Node #0,2 Current State: 96:[88, 31, 39], Operations: ['78/2=39'] Exploring Operation: 39-31=8, Resulting Numbers: [88, 8] Generated Node #0,2,2: 96:[88, 8] Operation: 39-31=8 Moving to Node #0,2,2 Current State: 96:[88, 8], Operations: ['78/2=39', '39-31=8'] Exploring Operation: 88+8=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.954861
hs_4
mult_heuristic
[ 7, 2, 80, 64 ]
62
[ "7+64=71", "2*71=142", "142-80=62" ]
Current State: 62:[7, 2, 80, 64], Operations: [] Exploring Operation: 7+64=71, Resulting Numbers: [2, 80, 71] Generated Node #2: [2, 80, 71] from Operation: 7+64=71 Current State: 62:[2, 80, 71], Operations: ['7+64=71'] Exploring Operation: 2*71=142, Resulting Numbers: [80, 142] Generated Node #3: [80, 142] from Operation: 2*71=142 Current State: 62:[80, 142], Operations: ['7+64=71', '2*71=142'] Exploring Operation: 142-80=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[7, 2, 80, 64], Operations: [] Exploring Operation: 80-7=73, Resulting Numbers: [2, 64, 73] Generated Node #0,0: 62:[2, 64, 73] Operation: 80-7=73 Moving to Node #0,0 Current State: 62:[2, 64, 73], Operations: ['80-7=73'] Exploring Operation: 73-64=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 62:[2, 9] Operation: 73-64=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[2, 9], Operations: ['80-7=73', '73-64=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 25, 48, 48, 95 ]
24
[ "48-25=23", "95-48=47", "47-23=24" ]
Current State: 24:[25, 48, 48, 95], Operations: [] Exploring Operation: 48-25=23, Resulting Numbers: [95, 23] Generated Node #2: [95, 23] from Operation: 48-25=23 Current State: 24:[95, 23], Operations: ['48-25=23'] Exploring Operation: 95-48=47, Resulting Numbers: [23, 47] Generated Node #3: [23, 47] from Operation: 95-48=47 Current State: 24:[23, 47], Operations: ['48-25=23', '95-48=47'] Exploring Operation: 47-23=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[25, 48, 48, 95], Operations: [] Exploring Operation: 95-48=47, Resulting Numbers: [25, 48, 47] Generated Node #0,0: 24:[25, 48, 47] Operation: 95-48=47 Exploring Operation: 95-48=47, Resulting Numbers: [25, 48, 47] Generated Node #0,1: 24:[25, 48, 47] Operation: 95-48=47 Exploring Operation: 48-48=0, Resulting Numbers: [25, 95, 0] Generated Node #0,2: 24:[25, 95, 0] Operation: 48-48=0 Exploring Operation: 48/48=1, Resulting Numbers: [25, 95, 1] Generated Node #0,3: 24:[25, 95, 1] Operation: 48/48=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[25, 48, 47], Operations: ['95-48=47'] Exploring Operation: 48-47=1, Resulting Numbers: [25, 1] Generated Node #0,0,0: 24:[25, 1] Operation: 48-47=1 Exploring Operation: 47-25=22, Resulting Numbers: [48, 22] Generated Node #0,0,1: 24:[48, 22] Operation: 47-25=22 Exploring Operation: 48-25=23, Resulting Numbers: [47, 23] Generated Node #0,0,2: 24:[47, 23] Operation: 48-25=23 Exploring Operation: 25+48=73, Resulting Numbers: [47, 73] Generated Node #0,0,3: 24:[47, 73] Operation: 25+48=73 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[25, 1], Operations: ['95-48=47', '48-47=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,24 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[25, 48, 48, 95], Operations: [] Exploring Operation: 95-48=47, Resulting Numbers: [25, 48, 47] Generated Node #0,0: 24:[25, 48, 47] Operation: 95-48=47 Moving to Node #0,0 Current State: 24:[25, 48, 47], Operations: ['95-48=47'] Exploring Operation: 48-47=1, Resulting Numbers: [25, 1] Generated Node #0,0,0: 24:[25, 1] Operation: 48-47=1 Moving to Node #0,0,0 Current State: 24:[25, 1], Operations: ['95-48=47', '48-47=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 4, 57, 80, 20 ]
58
[ "80/4=20", "20/20=1", "57+1=58" ]
Current State: 58:[4, 57, 80, 20], Operations: [] Exploring Operation: 80/4=20, Resulting Numbers: [57, 20, 20] Generated Node #2: [57, 20, 20] from Operation: 80/4=20 Current State: 58:[57, 20, 20], Operations: ['80/4=20'] Exploring Operation: 20/20=1, Resulting Numbers: [57, 1] Generated Node #3: [57, 1] from Operation: 20/20=1 Current State: 58:[57, 1], Operations: ['80/4=20', '20/20=1'] Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[4, 57, 80, 20], Operations: [] Exploring Operation: 80-20=60, Resulting Numbers: [4, 57, 60] Generated Node #0,0: 58:[4, 57, 60] Operation: 80-20=60 Moving to Node #0,0 Current State: 58:[4, 57, 60], Operations: ['80-20=60'] Exploring Operation: 60-4=56, Resulting Numbers: [57, 56] Generated Node #0,0,0: 58:[57, 56] Operation: 60-4=56 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[57, 56], Operations: ['80-20=60', '60-4=56'] Exploring Operation: 57-56=1, Resulting Numbers: [1] 1,58 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
[ 63, 98, 68, 3 ]
19
[ "68-63=5", "98-3=95", "95/5=19" ]
Current State: 19:[63, 98, 68, 3], Operations: [] Exploring Operation: 68-63=5, Resulting Numbers: [98, 3, 5] Generated Node #2: [98, 3, 5] from Operation: 68-63=5 Current State: 19:[98, 3, 5], Operations: ['68-63=5'] Exploring Operation: 98-3=95, Resulting Numbers: [5, 95] Generated Node #3: [5, 95] from Operation: 98-3=95 Current State: 19:[5, 95], Operations: ['68-63=5', '98-3=95'] Exploring Operation: 95/5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[63, 98, 68, 3], Operations: [] Exploring Operation: 98-68=30, Resulting Numbers: [63, 3, 30] Generated Node #0,0: 19:[63, 3, 30] Operation: 98-68=30 Exploring Operation: 98-63=35, Resulting Numbers: [68, 3, 35] Generated Node #0,1: 19:[68, 3, 35] Operation: 98-63=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[63, 3, 30], Operations: ['98-68=30'] Exploring Operation: 63/3=21, Resulting Numbers: [30, 21] Generated Node #0,0,0: 19:[30, 21] Operation: 63/3=21 Exploring Operation: 63-30=33, Resulting Numbers: [3, 33] Generated Node #0,0,1: 19:[3, 33] Operation: 63-30=33 Moving to Node #0,0,0 Current State: 19:[30, 21], Operations: ['98-68=30', '63/3=21'] Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 30+21=51, Resulting Numbers: [51] 51,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[3, 33], Operations: ['98-68=30', '63-30=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[68, 3, 35], Operations: ['98-63=35'] Exploring Operation: 68-3=65, Resulting Numbers: [35, 65] Generated Node #0,1,0: 19:[35, 65] Operation: 68-3=65 Exploring Operation: 68-35=33, Resulting Numbers: [3, 33] Generated Node #0,1,1: 19:[3, 33] Operation: 68-35=33 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[3, 33], Operations: ['98-63=35', '68-35=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,19 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:[35, 65], Operations: ['98-63=35', '68-3=65'] Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 35+65=100, Resulting Numbers: [100] 100,19 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_2
sum_heuristic
[ 45, 26, 69, 2 ]
14
[ "69-45=24", "24/2=12", "26-12=14" ]
Current State: 14:[45, 26, 69, 2], Operations: [] Exploring Operation: 69-45=24, Resulting Numbers: [26, 2, 24] Generated Node #2: [26, 2, 24] from Operation: 69-45=24 Current State: 14:[26, 2, 24], Operations: ['69-45=24'] Exploring Operation: 24/2=12, Resulting Numbers: [26, 12] Generated Node #3: [26, 12] from Operation: 24/2=12 Current State: 14:[26, 12], Operations: ['69-45=24', '24/2=12'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[45, 26, 69, 2], Operations: [] Exploring Operation: 69-45=24, Resulting Numbers: [26, 2, 24] Generated Node #0,0: 14:[26, 2, 24] Operation: 69-45=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[26, 2, 24], Operations: ['69-45=24'] Exploring Operation: 26-24=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 14:[2, 2] Operation: 26-24=2 Moving to Node #0,0,0 Current State: 14:[2, 2], Operations: ['69-45=24', '26-24=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,14 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
[ 6, 33, 20, 31 ]
52
[ "6+20=26", "33-31=2", "26*2=52" ]
Current State: 52:[6, 33, 20, 31], Operations: [] Exploring Operation: 6+20=26, Resulting Numbers: [33, 31, 26] Generated Node #2: [33, 31, 26] from Operation: 6+20=26 Current State: 52:[33, 31, 26], Operations: ['6+20=26'] Exploring Operation: 33-31=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 33-31=2 Current State: 52:[26, 2], Operations: ['6+20=26', '33-31=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[6, 33, 20, 31], Operations: [] Exploring Operation: 33+20=53, Resulting Numbers: [6, 31, 53] Generated Node #0,0: 52:[6, 31, 53] Operation: 33+20=53 Exploring Operation: 33-20=13, Resulting Numbers: [6, 31, 13] Generated Node #0,1: 52:[6, 31, 13] Operation: 33-20=13 Exploring Operation: 33-31=2, Resulting Numbers: [6, 20, 2] Generated Node #0,2: 52:[6, 20, 2] Operation: 33-31=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[6, 31, 13], Operations: ['33-20=13'] Exploring Operation: 31-13=18, Resulting Numbers: [6, 18] Generated Node #0,1,0: 52:[6, 18] Operation: 31-13=18 Exploring Operation: 31-6=25, Resulting Numbers: [13, 25] Generated Node #0,1,1: 52:[13, 25] Operation: 31-6=25 Exploring Operation: 13-6=7, Resulting Numbers: [31, 7] Generated Node #0,1,2: 52:[31, 7] Operation: 13-6=7 Moving to Node #0,1,1 Current State: 52:[13, 25], Operations: ['33-20=13', '31-6=25'] Exploring Operation: 13*25=325, Resulting Numbers: [325] 325,52 unequal: No Solution Exploring Operation: 13+25=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[6, 18], Operations: ['33-20=13', '31-13=18'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 6+18=24, Resulting Numbers: [24] 24,52 unequal: No Solution Moving to Node #0,1,2 Current State: 52:[31, 7], Operations: ['33-20=13', '13-6=7'] Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,52 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,52 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 Current State: 52:[6, 31, 53], Operations: ['33+20=53'] Exploring Operation: 53-6=47, Resulting Numbers: [31, 47] Generated Node #0,0,0: 52:[31, 47] Operation: 53-6=47 Exploring Operation: 31-6=25, Resulting Numbers: [53, 25] Generated Node #0,0,1: 52:[53, 25] Operation: 31-6=25 Exploring Operation: 53-31=22, Resulting Numbers: [6, 22] Generated Node #0,0,2: 52:[6, 22] Operation: 53-31=22 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 52:[53, 25], Operations: ['33+20=53', '31-6=25'] Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,52 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,52 unequal: No Solution Exploring Operation: 53*25=1325, Resulting Numbers: [1325] 1325,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 52:[6, 22], Operations: ['33+20=53', '53-31=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,52 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,52 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[31, 47], Operations: ['33+20=53', '53-6=47'] Exploring Operation: 31+47=78, Resulting Numbers: [78] 78,52 unequal: No Solution Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 31*47=1457, Resulting Numbers: [1457] 1457,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[6, 20, 2], Operations: ['33-31=2'] Exploring Operation: 6+20=26, Resulting Numbers: [2, 26] Generated Node #0,2,0: 52:[2, 26] Operation: 6+20=26 Exploring Operation: 20/2=10, Resulting Numbers: [6, 10] Generated Node #0,2,1: 52:[6, 10] Operation: 20/2=10 Exploring Operation: 20-6=14, Resulting Numbers: [2, 14] Generated Node #0,2,2: 52:[2, 14] Operation: 20-6=14 Moving to Node #0,2,0 Current State: 52:[2, 26], Operations: ['33-31=2', '6+20=26'] Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,52 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,52 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[6, 33, 20, 31], Operations: [] Exploring Operation: 33-31=2, Resulting Numbers: [6, 20, 2] Generated Node #0,2: 52:[6, 20, 2] Operation: 33-31=2 Moving to Node #0,2 Current State: 52:[6, 20, 2], Operations: ['33-31=2'] Exploring Operation: 6+20=26, Resulting Numbers: [2, 26] Generated Node #0,2,0: 52:[2, 26] Operation: 6+20=26 Moving to Node #0,2,0 Current State: 52:[2, 26], Operations: ['33-31=2', '6+20=26'] Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_3
sum_heuristic
[ 7, 25, 88, 50 ]
79
[ "88-7=81", "50/25=2", "81-2=79" ]
Current State: 79:[7, 25, 88, 50], Operations: [] Exploring Operation: 88-7=81, Resulting Numbers: [25, 50, 81] Generated Node #2: [25, 50, 81] from Operation: 88-7=81 Current State: 79:[25, 50, 81], Operations: ['88-7=81'] Exploring Operation: 50/25=2, Resulting Numbers: [81, 2] Generated Node #3: [81, 2] from Operation: 50/25=2 Current State: 79:[81, 2], Operations: ['88-7=81', '50/25=2'] Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[7, 25, 88, 50], Operations: [] Exploring Operation: 7+25=32, Resulting Numbers: [88, 50, 32] Generated Node #0,0: 79:[88, 50, 32] Operation: 7+25=32 Exploring Operation: 25-7=18, Resulting Numbers: [88, 50, 18] Generated Node #0,1: 79:[88, 50, 18] Operation: 25-7=18 Exploring Operation: 88-7=81, Resulting Numbers: [25, 50, 81] Generated Node #0,2: 79:[25, 50, 81] Operation: 88-7=81 Exploring Operation: 7+50=57, Resulting Numbers: [25, 88, 57] Generated Node #0,3: 79:[25, 88, 57] Operation: 7+50=57 Exploring Operation: 25+50=75, Resulting Numbers: [7, 88, 75] Generated Node #0,4: 79:[7, 88, 75] Operation: 25+50=75 Moving to Node #0,0 Current State: 79:[88, 50, 32], Operations: ['7+25=32'] Exploring Operation: 50+32=82, Resulting Numbers: [88, 82] Generated Node #0,0,0: 79:[88, 82] Operation: 50+32=82 Exploring Operation: 88-32=56, Resulting Numbers: [50, 56] Generated Node #0,0,1: 79:[50, 56] Operation: 88-32=56 Exploring Operation: 88-50=38, Resulting Numbers: [32, 38] Generated Node #0,0,2: 79:[32, 38] Operation: 88-50=38 Exploring Operation: 88+32=120, Resulting Numbers: [50, 120] Generated Node #0,0,3: 79:[50, 120] Operation: 88+32=120 Exploring Operation: 50-32=18, Resulting Numbers: [88, 18] Generated Node #0,0,4: 79:[88, 18] Operation: 50-32=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[88, 82], Operations: ['7+25=32', '50+32=82'] Exploring Operation: 88*82=7216, Resulting Numbers: [7216] 7216,79 unequal: No Solution Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,79 unequal: No Solution Exploring Operation: 88+82=170, Resulting Numbers: [170] 170,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[50, 56], Operations: ['7+25=32', '88-32=56'] Exploring Operation: 50*56=2800, Resulting Numbers: [2800] 2800,79 unequal: No Solution Exploring Operation: 50+56=106, Resulting Numbers: [106] 106,79 unequal: No Solution Exploring Operation: 56-50=6, Resulting Numbers: [6] 6,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 79:[50, 120], Operations: ['7+25=32', '88+32=120'] Exploring Operation: 50+120=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 50*120=6000, Resulting Numbers: [6000] 6000,79 unequal: No Solution Exploring Operation: 120-50=70, Resulting Numbers: [70] 70,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 79:[88, 18], Operations: ['7+25=32', '50-32=18'] Exploring Operation: 88*18=1584, Resulting Numbers: [1584] 1584,79 unequal: No Solution Exploring Operation: 88-18=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 88+18=106, Resulting Numbers: [106] 106,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[32, 38], Operations: ['7+25=32', '88-50=38'] Exploring Operation: 32+38=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 32*38=1216, Resulting Numbers: [1216] 1216,79 unequal: No Solution Exploring Operation: 38-32=6, Resulting Numbers: [6] 6,79 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: 79:[25, 88, 57], Operations: ['7+50=57'] Exploring Operation: 25+88=113, Resulting Numbers: [57, 113] Generated Node #0,3,0: 79:[57, 113] Operation: 25+88=113 Exploring Operation: 57-25=32, Resulting Numbers: [88, 32] Generated Node #0,3,1: 79:[88, 32] Operation: 57-25=32 Exploring Operation: 25+57=82, Resulting Numbers: [88, 82] Generated Node #0,3,2: 79:[88, 82] Operation: 25+57=82 Exploring Operation: 88-57=31, Resulting Numbers: [25, 31] Generated Node #0,3,3: 79:[25, 31] Operation: 88-57=31 Exploring Operation: 88-25=63, Resulting Numbers: [57, 63] Generated Node #0,3,4: 79:[57, 63] Operation: 88-25=63 Moving to Node #0,2 Current State: 79:[25, 50, 81], Operations: ['88-7=81'] Exploring Operation: 25+81=106, Resulting Numbers: [50, 106] Generated Node #0,2,0: 79:[50, 106] Operation: 25+81=106 Exploring Operation: 50/25=2, Resulting Numbers: [81, 2] Generated Node #0,2,1: 79:[81, 2] Operation: 50/25=2 Exploring Operation: 81-25=56, Resulting Numbers: [50, 56] Generated Node #0,2,2: 79:[50, 56] Operation: 81-25=56 Exploring Operation: 25+50=75, Resulting Numbers: [81, 75] Generated Node #0,2,3: 79:[81, 75] Operation: 25+50=75 Exploring Operation: 50-25=25, Resulting Numbers: [81, 25] Generated Node #0,2,4: 79:[81, 25] Operation: 50-25=25 Moving to Node #0,4 Current State: 79:[7, 88, 75], Operations: ['25+50=75'] Exploring Operation: 7+75=82, Resulting Numbers: [88, 82] Generated Node #0,4,0: 79:[88, 82] Operation: 7+75=82 Exploring Operation: 88-75=13, Resulting Numbers: [7, 13] Generated Node #0,4,1: 79:[7, 13] Operation: 88-75=13 Exploring Operation: 88-7=81, Resulting Numbers: [75, 81] Generated Node #0,4,2: 79:[75, 81] Operation: 88-7=81 Exploring Operation: 7+88=95, Resulting Numbers: [75, 95] Generated Node #0,4,3: 79:[75, 95] Operation: 7+88=95 Exploring Operation: 75-7=68, Resulting Numbers: [88, 68] Generated Node #0,4,4: 79:[88, 68] Operation: 75-7=68 Moving to Node #0,1 Current State: 79:[88, 50, 18], Operations: ['25-7=18'] Exploring Operation: 50+18=68, Resulting Numbers: [88, 68] Generated Node #0,1,0: 79:[88, 68] Operation: 50+18=68 Exploring Operation: 50-18=32, Resulting Numbers: [88, 32] Generated Node #0,1,1: 79:[88, 32] Operation: 50-18=32 Exploring Operation: 88+18=106, Resulting Numbers: [50, 106] Generated Node #0,1,2: 79:[50, 106] Operation: 88+18=106 Exploring Operation: 88-50=38, Resulting Numbers: [18, 38] Generated Node #0,1,3: 79:[18, 38] Operation: 88-50=38 Exploring Operation: 88-18=70, Resulting Numbers: [50, 70] Generated Node #0,1,4: 79:[50, 70] Operation: 88-18=70 Moving to Node #0,2,3 Current State: 79:[81, 75], Operations: ['88-7=81', '25+50=75'] Exploring Operation: 81+75=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 81*75=6075, Resulting Numbers: [6075] 6075,79 unequal: No Solution Exploring Operation: 81-75=6, Resulting Numbers: [6] 6,79 unequal: No Solution Moving to Node #0,4,2 Current State: 79:[75, 81], Operations: ['25+50=75', '88-7=81'] Exploring Operation: 75+81=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 75*81=6075, Resulting Numbers: [6075] 6075,79 unequal: No Solution Exploring Operation: 81-75=6, Resulting Numbers: [6] 6,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[88, 82], Operations: ['7+50=57', '25+57=82'] Exploring Operation: 88*82=7216, Resulting Numbers: [7216] 7216,79 unequal: No Solution Exploring Operation: 88+82=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,79 unequal: No Solution Moving to Node #0,4,0 Current State: 79:[88, 82], Operations: ['25+50=75', '7+75=82'] Exploring Operation: 88*82=7216, Resulting Numbers: [7216] 7216,79 unequal: No Solution Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,79 unequal: No Solution Exploring Operation: 88+82=170, Resulting Numbers: [170] 170,79 unequal: No Solution Moving to Node #0,4,4 Current State: 79:[88, 68], Operations: ['25+50=75', '75-7=68'] Exploring Operation: 88*68=5984, Resulting Numbers: [5984] 5984,79 unequal: No Solution Exploring Operation: 88-68=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 88+68=156, Resulting Numbers: [156] 156,79 unequal: No Solution Moving to Node #0,4,3 Current State: 79:[75, 95], Operations: ['25+50=75', '7+88=95'] Exploring Operation: 75*95=7125, Resulting Numbers: [7125] 7125,79 unequal: No Solution Exploring Operation: 95-75=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 75+95=170, Resulting Numbers: [170] 170,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[88, 68], Operations: ['25-7=18', '50+18=68'] Exploring Operation: 88+68=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 88*68=5984, Resulting Numbers: [5984] 5984,79 unequal: No Solution Exploring Operation: 88-68=20, Resulting Numbers: [20] 20,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[57, 63], Operations: ['7+50=57', '88-25=63'] Exploring Operation: 63-57=6, Resulting Numbers: [6] 6,79 unequal: No Solution Exploring Operation: 57+63=120, Resulting Numbers: [120] 120,79 unequal: No Solution Exploring Operation: 57*63=3591, Resulting Numbers: [3591] 3591,79 unequal: No Solution Moving to Node #0,1,4 Current State: 79:[50, 70], Operations: ['25-7=18', '88-18=70'] Exploring Operation: 50+70=120, Resulting Numbers: [120] 120,79 unequal: No Solution Exploring Operation: 70-50=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 50*70=3500, Resulting Numbers: [3500] 3500,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[50, 56], Operations: ['88-7=81', '81-25=56'] Exploring Operation: 50+56=106, Resulting Numbers: [106] 106,79 unequal: No Solution Exploring Operation: 56-50=6, Resulting Numbers: [6] 6,79 unequal: No Solution Exploring Operation: 50*56=2800, Resulting Numbers: [2800] 2800,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[88, 32], Operations: ['25-7=18', '50-18=32'] Exploring Operation: 88*32=2816, Resulting Numbers: [2816] 2816,79 unequal: No Solution Exploring Operation: 88+32=120, Resulting Numbers: [120] 120,79 unequal: No Solution Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,79 unequal: No Solution Moving to Node #0,3,0 Current State: 79:[57, 113], Operations: ['7+50=57', '25+88=113'] Exploring Operation: 57*113=6441, Resulting Numbers: [6441] 6441,79 unequal: No Solution Exploring Operation: 113-57=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 57+113=170, Resulting Numbers: [170] 170,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[50, 106], Operations: ['25-7=18', '88+18=106'] Exploring Operation: 50*106=5300, Resulting Numbers: [5300] 5300,79 unequal: No Solution Exploring Operation: 50+106=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 106-50=56, Resulting Numbers: [56] 56,79 unequal: No Solution Moving to Node #0,2,4 Current State: 79:[81, 25], Operations: ['88-7=81', '50-25=25'] Exploring Operation: 81*25=2025, Resulting Numbers: [2025] 2025,79 unequal: No Solution Exploring Operation: 81-25=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 81+25=106, Resulting Numbers: [106] 106,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[50, 106], Operations: ['88-7=81', '25+81=106'] Exploring Operation: 50+106=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 106-50=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 50*106=5300, Resulting Numbers: [5300] 5300,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[88, 32], Operations: ['7+50=57', '57-25=32'] Exploring Operation: 88-32=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 88+32=120, Resulting Numbers: [120] 120,79 unequal: No Solution Exploring Operation: 88*32=2816, Resulting Numbers: [2816] 2816,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[81, 2], Operations: ['88-7=81', '50/25=2'] Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,79 unequal: No Solution Exploring Operation: 81*2=162, Resulting Numbers: [162] 162,79 unequal: No Solution Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[7, 25, 88, 50], Operations: [] Exploring Operation: 88-7=81, Resulting Numbers: [25, 50, 81] Generated Node #0,2: 79:[25, 50, 81] Operation: 88-7=81 Moving to Node #0,2 Current State: 79:[25, 50, 81], Operations: ['88-7=81'] Exploring Operation: 50/25=2, Resulting Numbers: [81, 2] Generated Node #0,2,1: 79:[81, 2] Operation: 50/25=2 Moving to Node #0,2,1 Current State: 79:[81, 2], Operations: ['88-7=81', '50/25=2'] Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
0.913194
hs_5
sum_heuristic
[ 3, 21, 92, 59 ]
10
[ "92-59=33", "33/3=11", "21-11=10" ]
Current State: 10:[3, 21, 92, 59], Operations: [] Exploring Operation: 92-59=33, Resulting Numbers: [3, 21, 33] Generated Node #2: [3, 21, 33] from Operation: 92-59=33 Current State: 10:[3, 21, 33], Operations: ['92-59=33'] Exploring Operation: 33/3=11, Resulting Numbers: [21, 11] Generated Node #3: [21, 11] from Operation: 33/3=11 Current State: 10:[21, 11], Operations: ['92-59=33', '33/3=11'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[3, 21, 92, 59], Operations: [] Exploring Operation: 92-21=71, Resulting Numbers: [3, 59, 71] Generated Node #0,0: 10:[3, 59, 71] Operation: 92-21=71 Exploring Operation: 92-59=33, Resulting Numbers: [3, 21, 33] Generated Node #0,1: 10:[3, 21, 33] Operation: 92-59=33 Exploring Operation: 59-21=38, Resulting Numbers: [3, 92, 38] Generated Node #0,2: 10:[3, 92, 38] Operation: 59-21=38 Exploring Operation: 21/3=7, Resulting Numbers: [92, 59, 7] Generated Node #0,3: 10:[92, 59, 7] Operation: 21/3=7 Moving to Node #0,1 Current State: 10:[3, 21, 33], Operations: ['92-59=33'] Exploring Operation: 21/3=7, Resulting Numbers: [33, 7] Generated Node #0,1,0: 10:[33, 7] Operation: 21/3=7 Exploring Operation: 33/3=11, Resulting Numbers: [21, 11] Generated Node #0,1,1: 10:[21, 11] Operation: 33/3=11 Exploring Operation: 21-3=18, Resulting Numbers: [33, 18] Generated Node #0,1,2: 10:[33, 18] Operation: 21-3=18 Exploring Operation: 33-21=12, Resulting Numbers: [3, 12] Generated Node #0,1,3: 10:[3, 12] Operation: 33-21=12 Moving to Node #0,2 Current State: 10:[3, 92, 38], Operations: ['59-21=38'] Exploring Operation: 92-3=89, Resulting Numbers: [38, 89] Generated Node #0,2,0: 10:[38, 89] Operation: 92-3=89 Exploring Operation: 3+92=95, Resulting Numbers: [38, 95] Generated Node #0,2,1: 10:[38, 95] Operation: 3+92=95 Exploring Operation: 38-3=35, Resulting Numbers: [92, 35] Generated Node #0,2,2: 10:[92, 35] Operation: 38-3=35 Exploring Operation: 92-38=54, Resulting Numbers: [3, 54] Generated Node #0,2,3: 10:[3, 54] Operation: 92-38=54 Moving to Node #0,0 Current State: 10:[3, 59, 71], Operations: ['92-21=71'] Exploring Operation: 71-59=12, Resulting Numbers: [3, 12] Generated Node #0,0,0: 10:[3, 12] Operation: 71-59=12 Exploring Operation: 3+59=62, Resulting Numbers: [71, 62] Generated Node #0,0,1: 10:[71, 62] Operation: 3+59=62 Exploring Operation: 59-3=56, Resulting Numbers: [71, 56] Generated Node #0,0,2: 10:[71, 56] Operation: 59-3=56 Exploring Operation: 71-3=68, Resulting Numbers: [59, 68] Generated Node #0,0,3: 10:[59, 68] Operation: 71-3=68 Moving to Node #0,3 Current State: 10:[92, 59, 7], Operations: ['21/3=7'] Exploring Operation: 59-7=52, Resulting Numbers: [92, 52] Generated Node #0,3,0: 10:[92, 52] Operation: 59-7=52 Exploring Operation: 92-7=85, Resulting Numbers: [59, 85] Generated Node #0,3,1: 10:[59, 85] Operation: 92-7=85 Exploring Operation: 92+7=99, Resulting Numbers: [59, 99] Generated Node #0,3,2: 10:[59, 99] Operation: 92+7=99 Exploring Operation: 92-59=33, Resulting Numbers: [7, 33] Generated Node #0,3,3: 10:[7, 33] Operation: 92-59=33 Moving to Node #0,1,3 Current State: 10:[3, 12], Operations: ['92-59=33', '33-21=12'] Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,10 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,10 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[3, 12], Operations: ['92-21=71', '71-59=12'] Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,10 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,10 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[21, 11], Operations: ['92-59=33', '33/3=11'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[3, 21, 92, 59], Operations: [] Exploring Operation: 92-59=33, Resulting Numbers: [3, 21, 33] Generated Node #0,1: 10:[3, 21, 33] Operation: 92-59=33 Moving to Node #0,1 Current State: 10:[3, 21, 33], Operations: ['92-59=33'] Exploring Operation: 33/3=11, Resulting Numbers: [21, 11] Generated Node #0,1,1: 10:[21, 11] Operation: 33/3=11 Moving to Node #0,1,1 Current State: 10:[21, 11], Operations: ['92-59=33', '33/3=11'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.971354
hs_4
mult_heuristic
[ 50, 28, 82, 26 ]
48
[ "82-26=56", "56/28=2", "50-2=48" ]
Current State: 48:[50, 28, 82, 26], Operations: [] Exploring Operation: 82-26=56, Resulting Numbers: [50, 28, 56] Generated Node #2: [50, 28, 56] from Operation: 82-26=56 Current State: 48:[50, 28, 56], Operations: ['82-26=56'] Exploring Operation: 56/28=2, Resulting Numbers: [50, 2] Generated Node #3: [50, 2] from Operation: 56/28=2 Current State: 48:[50, 2], Operations: ['82-26=56', '56/28=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[50, 28, 82, 26], Operations: [] Exploring Operation: 82-26=56, Resulting Numbers: [50, 28, 56] Generated Node #0,0: 48:[50, 28, 56] Operation: 82-26=56 Exploring Operation: 82-28=54, Resulting Numbers: [50, 26, 54] Generated Node #0,1: 48:[50, 26, 54] Operation: 82-28=54 Exploring Operation: 28-26=2, Resulting Numbers: [50, 82, 2] Generated Node #0,2: 48:[50, 82, 2] Operation: 28-26=2 Exploring Operation: 82-50=32, Resulting Numbers: [28, 26, 32] Generated Node #0,3: 48:[28, 26, 32] Operation: 82-50=32 Moving to Node #0,1 Current State: 48:[50, 26, 54], Operations: ['82-28=54'] Exploring Operation: 50+26=76, Resulting Numbers: [54, 76] Generated Node #0,1,0: 48:[54, 76] Operation: 50+26=76 Exploring Operation: 50-26=24, Resulting Numbers: [54, 24] Generated Node #0,1,1: 48:[54, 24] Operation: 50-26=24 Exploring Operation: 54-26=28, Resulting Numbers: [50, 28] Generated Node #0,1,2: 48:[50, 28] Operation: 54-26=28 Exploring Operation: 54-50=4, Resulting Numbers: [26, 4] Generated Node #0,1,3: 48:[26, 4] Operation: 54-50=4 Moving to Node #0,3 Current State: 48:[28, 26, 32], Operations: ['82-50=32'] Exploring Operation: 28+26=54, Resulting Numbers: [32, 54] Generated Node #0,3,0: 48:[32, 54] Operation: 28+26=54 Exploring Operation: 28-26=2, Resulting Numbers: [32, 2] Generated Node #0,3,1: 48:[32, 2] Operation: 28-26=2 Exploring Operation: 32-28=4, Resulting Numbers: [26, 4] Generated Node #0,3,2: 48:[26, 4] Operation: 32-28=4 Exploring Operation: 32-26=6, Resulting Numbers: [28, 6] Generated Node #0,3,3: 48:[28, 6] Operation: 32-26=6 Moving to Node #0,0 Current State: 48:[50, 28, 56], Operations: ['82-26=56'] Exploring Operation: 50-28=22, Resulting Numbers: [56, 22] Generated Node #0,0,0: 48:[56, 22] Operation: 50-28=22 Exploring Operation: 56/28=2, Resulting Numbers: [50, 2] Generated Node #0,0,1: 48:[50, 2] Operation: 56/28=2 Exploring Operation: 56-28=28, Resulting Numbers: [50, 28] Generated Node #0,0,2: 48:[50, 28] Operation: 56-28=28 Exploring Operation: 56-50=6, Resulting Numbers: [28, 6] Generated Node #0,0,3: 48:[28, 6] Operation: 56-50=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[50, 2], Operations: ['82-26=56', '56/28=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[50, 28, 82, 26], Operations: [] Exploring Operation: 82-26=56, Resulting Numbers: [50, 28, 56] Generated Node #0,0: 48:[50, 28, 56] Operation: 82-26=56 Moving to Node #0,0 Current State: 48:[50, 28, 56], Operations: ['82-26=56'] Exploring Operation: 56/28=2, Resulting Numbers: [50, 2] Generated Node #0,0,1: 48:[50, 2] Operation: 56/28=2 Moving to Node #0,0,1 Current State: 48:[50, 2], Operations: ['82-26=56', '56/28=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 73, 15, 12, 12 ]
58
[ "73-15=58", "12-12=0", "58+0=58" ]
Current State: 58:[73, 15, 12, 12], Operations: [] Exploring Operation: 73-15=58, Resulting Numbers: [12, 12, 58] Generated Node #2: [12, 12, 58] from Operation: 73-15=58 Current State: 58:[12, 12, 58], Operations: ['73-15=58'] Exploring Operation: 12-12=0, Resulting Numbers: [58, 0] Generated Node #3: [58, 0] from Operation: 12-12=0 Current State: 58:[58, 0], Operations: ['73-15=58', '12-12=0'] Exploring Operation: 58+0=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[73, 15, 12, 12], Operations: [] Exploring Operation: 73-15=58, Resulting Numbers: [12, 12, 58] Generated Node #0,0: 58:[12, 12, 58] Operation: 73-15=58 Exploring Operation: 73-12=61, Resulting Numbers: [15, 12, 61] Generated Node #0,1: 58:[15, 12, 61] Operation: 73-12=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[12, 12, 58], Operations: ['73-15=58'] Exploring Operation: 12-12=0, Resulting Numbers: [58, 0] Generated Node #0,0,0: 58:[58, 0] Operation: 12-12=0 Exploring Operation: 12/12=1, Resulting Numbers: [58, 1] Generated Node #0,0,1: 58:[58, 1] Operation: 12/12=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 58:[58, 1], Operations: ['73-15=58', '12/12=1'] Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[73, 15, 12, 12], Operations: [] Exploring Operation: 73-15=58, Resulting Numbers: [12, 12, 58] Generated Node #0,0: 58:[12, 12, 58] Operation: 73-15=58 Moving to Node #0,0 Current State: 58:[12, 12, 58], Operations: ['73-15=58'] Exploring Operation: 12/12=1, Resulting Numbers: [58, 1] Generated Node #0,0,1: 58:[58, 1] Operation: 12/12=1 Moving to Node #0,0,1 Current State: 58:[58, 1], Operations: ['73-15=58', '12/12=1'] Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 19, 4, 30, 18 ]
22
[ "30-18=12", "12/4=3", "19+3=22" ]
Current State: 22:[19, 4, 30, 18], Operations: [] Exploring Operation: 30-18=12, Resulting Numbers: [19, 4, 12] Generated Node #2: [19, 4, 12] from Operation: 30-18=12 Current State: 22:[19, 4, 12], Operations: ['30-18=12'] Exploring Operation: 12/4=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 12/4=3 Current State: 22:[19, 3], Operations: ['30-18=12', '12/4=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[19, 4, 30, 18], Operations: [] Exploring Operation: 19-18=1, Resulting Numbers: [4, 30, 1] Generated Node #0,0: 22:[4, 30, 1] Operation: 19-18=1 Exploring Operation: 30-4=26, Resulting Numbers: [19, 18, 26] Generated Node #0,1: 22:[19, 18, 26] Operation: 30-4=26 Exploring Operation: 30-19=11, Resulting Numbers: [4, 18, 11] Generated Node #0,2: 22:[4, 18, 11] Operation: 30-19=11 Exploring Operation: 30-18=12, Resulting Numbers: [19, 4, 12] Generated Node #0,3: 22:[19, 4, 12] Operation: 30-18=12 Moving to Node #0,2 Current State: 22:[4, 18, 11], Operations: ['30-19=11'] Exploring Operation: 4+18=22, Resulting Numbers: [11, 22] Generated Node #0,2,0: 22:[11, 22] Operation: 4+18=22 Exploring Operation: 18-4=14, Resulting Numbers: [11, 14] Generated Node #0,2,1: 22:[11, 14] Operation: 18-4=14 Exploring Operation: 4+11=15, Resulting Numbers: [18, 15] Generated Node #0,2,2: 22:[18, 15] Operation: 4+11=15 Exploring Operation: 18-11=7, Resulting Numbers: [4, 7] Generated Node #0,2,3: 22:[4, 7] Operation: 18-11=7 Moving to Node #0,3 Current State: 22:[19, 4, 12], Operations: ['30-18=12'] Exploring Operation: 19+4=23, Resulting Numbers: [12, 23] Generated Node #0,3,0: 22:[12, 23] Operation: 19+4=23 Exploring Operation: 12/4=3, Resulting Numbers: [19, 3] Generated Node #0,3,1: 22:[19, 3] Operation: 12/4=3 Exploring Operation: 19-12=7, Resulting Numbers: [4, 7] Generated Node #0,3,2: 22:[4, 7] Operation: 19-12=7 Exploring Operation: 19-4=15, Resulting Numbers: [12, 15] Generated Node #0,3,3: 22:[12, 15] Operation: 19-4=15 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 22:[12, 23], Operations: ['30-18=12', '19+4=23'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 12+23=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 12*23=276, Resulting Numbers: [276] 276,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 22:[19, 3], Operations: ['30-18=12', '12/4=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[19, 4, 30, 18], Operations: [] Exploring Operation: 30-18=12, Resulting Numbers: [19, 4, 12] Generated Node #0,3: 22:[19, 4, 12] Operation: 30-18=12 Moving to Node #0,3 Current State: 22:[19, 4, 12], Operations: ['30-18=12'] Exploring Operation: 12/4=3, Resulting Numbers: [19, 3] Generated Node #0,3,1: 22:[19, 3] Operation: 12/4=3 Moving to Node #0,3,1 Current State: 22:[19, 3], Operations: ['30-18=12', '12/4=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 9, 36, 19, 31 ]
57
[ "9+36=45", "31-19=12", "45+12=57" ]
Current State: 57:[9, 36, 19, 31], Operations: [] Exploring Operation: 9+36=45, Resulting Numbers: [19, 31, 45] Generated Node #2: [19, 31, 45] from Operation: 9+36=45 Current State: 57:[19, 31, 45], Operations: ['9+36=45'] Exploring Operation: 31-19=12, Resulting Numbers: [45, 12] Generated Node #3: [45, 12] from Operation: 31-19=12 Current State: 57:[45, 12], Operations: ['9+36=45', '31-19=12'] Exploring Operation: 45+12=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[9, 36, 19, 31], Operations: [] Exploring Operation: 36/9=4, Resulting Numbers: [19, 31, 4] Generated Node #0,0: 57:[19, 31, 4] Operation: 36/9=4 Exploring Operation: 36-31=5, Resulting Numbers: [9, 19, 5] Generated Node #0,1: 57:[9, 19, 5] Operation: 36-31=5 Moving to Node #0,1 Current State: 57:[9, 19, 5], Operations: ['36-31=5'] Exploring Operation: 9+5=14, Resulting Numbers: [19, 14] Generated Node #0,1,0: 57:[19, 14] Operation: 9+5=14 Exploring Operation: 9-5=4, Resulting Numbers: [19, 4] Generated Node #0,1,1: 57:[19, 4] Operation: 9-5=4 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 57:[19, 4], Operations: ['36-31=5', '9-5=4'] Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,57 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[19, 14], Operations: ['36-31=5', '9+5=14'] Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 57:[19, 31, 4], Operations: ['36/9=4'] Exploring Operation: 31-19=12, Resulting Numbers: [4, 12] Generated Node #0,0,0: 57:[4, 12] Operation: 31-19=12 Exploring Operation: 19+31=50, Resulting Numbers: [4, 50] Generated Node #0,0,1: 57:[4, 50] Operation: 19+31=50 Moving to Node #0,0,0 Current State: 57:[4, 12], Operations: ['36/9=4', '31-19=12'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[4, 50], Operations: ['36/9=4', '19+31=50'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,57 unequal: No Solution Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,57 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 79, 3, 91, 6 ]
69
[ "91-79=12", "6*12=72", "72-3=69" ]
Current State: 69:[79, 3, 91, 6], Operations: [] Exploring Operation: 91-79=12, Resulting Numbers: [3, 6, 12] Generated Node #2: [3, 6, 12] from Operation: 91-79=12 Current State: 69:[3, 6, 12], Operations: ['91-79=12'] Exploring Operation: 6*12=72, Resulting Numbers: [3, 72] Generated Node #3: [3, 72] from Operation: 6*12=72 Current State: 69:[3, 72], Operations: ['91-79=12', '6*12=72'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[79, 3, 91, 6], Operations: [] Exploring Operation: 91-79=12, Resulting Numbers: [3, 6, 12] Generated Node #0,0: 69:[3, 6, 12] Operation: 91-79=12 Exploring Operation: 79-6=73, Resulting Numbers: [3, 91, 73] Generated Node #0,1: 69:[3, 91, 73] Operation: 79-6=73 Moving to Node #0,0 Current State: 69:[3, 6, 12], Operations: ['91-79=12'] Exploring Operation: 6*12=72, Resulting Numbers: [3, 72] Generated Node #0,0,0: 69:[3, 72] Operation: 6*12=72 Exploring Operation: 12/6=2, Resulting Numbers: [3, 2] Generated Node #0,0,1: 69:[3, 2] Operation: 12/6=2 Moving to Node #0,1 Current State: 69:[3, 91, 73], Operations: ['79-6=73'] Exploring Operation: 91-73=18, Resulting Numbers: [3, 18] Generated Node #0,1,0: 69:[3, 18] Operation: 91-73=18 Exploring Operation: 91-3=88, Resulting Numbers: [73, 88] Generated Node #0,1,1: 69:[73, 88] Operation: 91-3=88 Moving to Node #0,0,1 Current State: 69:[3, 2], Operations: ['91-79=12', '12/6=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,69 unequal: No Solution Moving to Node #0,0,0 Current State: 69:[3, 72], Operations: ['91-79=12', '6*12=72'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[79, 3, 91, 6], Operations: [] Exploring Operation: 91-79=12, Resulting Numbers: [3, 6, 12] Generated Node #0,0: 69:[3, 6, 12] Operation: 91-79=12 Moving to Node #0,0 Current State: 69:[3, 6, 12], Operations: ['91-79=12'] Exploring Operation: 6*12=72, Resulting Numbers: [3, 72] Generated Node #0,0,0: 69:[3, 72] Operation: 6*12=72 Moving to Node #0,0,0 Current State: 69:[3, 72], Operations: ['91-79=12', '6*12=72'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
0.988715
hs_2
sum_heuristic
[ 58, 96, 55, 4 ]
89
[ "96-58=38", "55-4=51", "38+51=89" ]
Current State: 89:[58, 96, 55, 4], Operations: [] Exploring Operation: 96-58=38, Resulting Numbers: [55, 4, 38] Generated Node #2: [55, 4, 38] from Operation: 96-58=38 Current State: 89:[55, 4, 38], Operations: ['96-58=38'] Exploring Operation: 55-4=51, Resulting Numbers: [38, 51] Generated Node #3: [38, 51] from Operation: 55-4=51 Current State: 89:[38, 51], Operations: ['96-58=38', '55-4=51'] Exploring Operation: 38+51=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[58, 96, 55, 4], Operations: [] Exploring Operation: 58-4=54, Resulting Numbers: [96, 55, 54] Generated Node #0,0: 89:[96, 55, 54] Operation: 58-4=54 Exploring Operation: 96-4=92, Resulting Numbers: [58, 55, 92] Generated Node #0,1: 89:[58, 55, 92] Operation: 96-4=92 Exploring Operation: 58+4=62, Resulting Numbers: [96, 55, 62] Generated Node #0,2: 89:[96, 55, 62] Operation: 58+4=62 Exploring Operation: 96+4=100, Resulting Numbers: [58, 55, 100] Generated Node #0,3: 89:[58, 55, 100] Operation: 96+4=100 Exploring Operation: 55+4=59, Resulting Numbers: [58, 96, 59] Generated Node #0,4: 89:[58, 96, 59] Operation: 55+4=59 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[58, 55, 92], Operations: ['96-4=92'] Exploring Operation: 92-58=34, Resulting Numbers: [55, 34] Generated Node #0,1,0: 89:[55, 34] Operation: 92-58=34 Exploring Operation: 92-55=37, Resulting Numbers: [58, 37] Generated Node #0,1,1: 89:[58, 37] Operation: 92-55=37 Exploring Operation: 58+55=113, Resulting Numbers: [92, 113] Generated Node #0,1,2: 89:[92, 113] Operation: 58+55=113 Exploring Operation: 58-55=3, Resulting Numbers: [92, 3] Generated Node #0,1,3: 89:[92, 3] Operation: 58-55=3 Exploring Operation: 55+92=147, Resulting Numbers: [58, 147] Generated Node #0,1,4: 89:[58, 147] Operation: 55+92=147 Moving to Node #0,1,2 Current State: 89:[92, 113], Operations: ['96-4=92', '58+55=113'] Exploring Operation: 113-92=21, Resulting Numbers: [21] 21,89 unequal: No Solution Exploring Operation: 92*113=10396, Resulting Numbers: [10396] 10396,89 unequal: No Solution Exploring Operation: 92+113=205, Resulting Numbers: [205] 205,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[58, 37], Operations: ['96-4=92', '92-55=37'] Exploring Operation: 58-37=21, Resulting Numbers: [21] 21,89 unequal: No Solution Exploring Operation: 58*37=2146, Resulting Numbers: [2146] 2146,89 unequal: No Solution Exploring Operation: 58+37=95, Resulting Numbers: [95] 95,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[55, 34], Operations: ['96-4=92', '92-58=34'] Exploring Operation: 55+34=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[58, 96, 55, 4], Operations: [] Exploring Operation: 96-4=92, Resulting Numbers: [58, 55, 92] Generated Node #0,1: 89:[58, 55, 92] Operation: 96-4=92 Moving to Node #0,1 Current State: 89:[58, 55, 92], Operations: ['96-4=92'] Exploring Operation: 92-58=34, Resulting Numbers: [55, 34] Generated Node #0,1,0: 89:[55, 34] Operation: 92-58=34 Moving to Node #0,1,0 Current State: 89:[55, 34], Operations: ['96-4=92', '92-58=34'] Exploring Operation: 55+34=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 78, 13, 35, 55 ]
84
[ "78/13=6", "35+55=90", "90-6=84" ]
Current State: 84:[78, 13, 35, 55], Operations: [] Exploring Operation: 78/13=6, Resulting Numbers: [35, 55, 6] Generated Node #2: [35, 55, 6] from Operation: 78/13=6 Current State: 84:[35, 55, 6], Operations: ['78/13=6'] Exploring Operation: 35+55=90, Resulting Numbers: [6, 90] Generated Node #3: [6, 90] from Operation: 35+55=90 Current State: 84:[6, 90], Operations: ['78/13=6', '35+55=90'] Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[78, 13, 35, 55], Operations: [] Exploring Operation: 55-35=20, Resulting Numbers: [78, 13, 20] Generated Node #0,0: 84:[78, 13, 20] Operation: 55-35=20 Exploring Operation: 78-55=23, Resulting Numbers: [13, 35, 23] Generated Node #0,1: 84:[13, 35, 23] Operation: 78-55=23 Exploring Operation: 55-13=42, Resulting Numbers: [78, 35, 42] Generated Node #0,2: 84:[78, 35, 42] Operation: 55-13=42 Exploring Operation: 35+55=90, Resulting Numbers: [78, 13, 90] Generated Node #0,3: 84:[78, 13, 90] Operation: 35+55=90 Exploring Operation: 78-35=43, Resulting Numbers: [13, 55, 43] Generated Node #0,4: 84:[13, 55, 43] Operation: 78-35=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[78, 13, 20], Operations: ['55-35=20'] Exploring Operation: 78/13=6, Resulting Numbers: [20, 6] Generated Node #0,0,0: 84:[20, 6] Operation: 78/13=6 Exploring Operation: 78+13=91, Resulting Numbers: [20, 91] Generated Node #0,0,1: 84:[20, 91] Operation: 78+13=91 Exploring Operation: 78+20=98, Resulting Numbers: [13, 98] Generated Node #0,0,2: 84:[13, 98] Operation: 78+20=98 Exploring Operation: 20-13=7, Resulting Numbers: [78, 7] Generated Node #0,0,3: 84:[78, 7] Operation: 20-13=7 Exploring Operation: 13+20=33, Resulting Numbers: [78, 33] Generated Node #0,0,4: 84:[78, 33] Operation: 13+20=33 Moving to Node #0,0,0 Current State: 84:[20, 6], Operations: ['55-35=20', '78/13=6'] Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,84 unequal: No Solution Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,84 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,84 unequal: No Solution Moving to Node #0,0,3 Current State: 84:[78, 7], Operations: ['55-35=20', '20-13=7'] Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 78*7=546, Resulting Numbers: [546] 546,84 unequal: No Solution Exploring Operation: 78+7=85, Resulting Numbers: [85] 85,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[20, 91], Operations: ['55-35=20', '78+13=91'] Exploring Operation: 20+91=111, Resulting Numbers: [111] 111,84 unequal: No Solution Exploring Operation: 91-20=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 20*91=1820, Resulting Numbers: [1820] 1820,84 unequal: No Solution Moving to Node #0,0,4 Current State: 84:[78, 33], Operations: ['55-35=20', '13+20=33'] Exploring Operation: 78+33=111, Resulting Numbers: [111] 111,84 unequal: No Solution Exploring Operation: 78-33=45, Resulting Numbers: [45] 45,84 unequal: No Solution Exploring Operation: 78*33=2574, Resulting Numbers: [2574] 2574,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[13, 98], Operations: ['55-35=20', '78+20=98'] Exploring Operation: 98-13=85, Resulting Numbers: [85] 85,84 unequal: No Solution Exploring Operation: 13*98=1274, Resulting Numbers: [1274] 1274,84 unequal: No Solution Exploring Operation: 13+98=111, Resulting Numbers: [111] 111,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[13, 35, 23], Operations: ['78-55=23'] Exploring Operation: 23-13=10, Resulting Numbers: [35, 10] Generated Node #0,1,0: 84:[35, 10] Operation: 23-13=10 Exploring Operation: 35-13=22, Resulting Numbers: [23, 22] Generated Node #0,1,1: 84:[23, 22] Operation: 35-13=22 Exploring Operation: 13+23=36, Resulting Numbers: [35, 36] Generated Node #0,1,2: 84:[35, 36] Operation: 13+23=36 Exploring Operation: 35-23=12, Resulting Numbers: [13, 12] Generated Node #0,1,3: 84:[13, 12] Operation: 35-23=12 Exploring Operation: 13+35=48, Resulting Numbers: [23, 48] Generated Node #0,1,4: 84:[23, 48] Operation: 13+35=48 Moving to Node #0,1,3 Current State: 84:[13, 12], Operations: ['78-55=23', '35-23=12'] Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,84 unequal: No Solution Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,84 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[23, 22], Operations: ['78-55=23', '35-13=22'] Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,84 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,84 unequal: No Solution Moving to Node #0,1,4 Current State: 84:[23, 48], Operations: ['78-55=23', '13+35=48'] Exploring Operation: 23+48=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 23*48=1104, Resulting Numbers: [1104] 1104,84 unequal: No Solution Exploring Operation: 48-23=25, Resulting Numbers: [25] 25,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[35, 10], Operations: ['78-55=23', '23-13=10'] Exploring Operation: 35+10=45, Resulting Numbers: [45] 45,84 unequal: No Solution Exploring Operation: 35*10=350, Resulting Numbers: [350] 350,84 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[35, 36], Operations: ['78-55=23', '13+23=36'] Exploring Operation: 35+36=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 35*36=1260, Resulting Numbers: [1260] 1260,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[78, 35, 42], Operations: ['55-13=42'] Exploring Operation: 42-35=7, Resulting Numbers: [78, 7] Generated Node #0,2,0: 84:[78, 7] Operation: 42-35=7 Exploring Operation: 35+42=77, Resulting Numbers: [78, 77] Generated Node #0,2,1: 84:[78, 77] Operation: 35+42=77 Exploring Operation: 78-42=36, Resulting Numbers: [35, 36] Generated Node #0,2,2: 84:[35, 36] Operation: 78-42=36 Exploring Operation: 78-35=43, Resulting Numbers: [42, 43] Generated Node #0,2,3: 84:[42, 43] Operation: 78-35=43 Exploring Operation: 78+35=113, Resulting Numbers: [42, 113] Generated Node #0,2,4: 84:[42, 113] Operation: 78+35=113 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 84:[42, 43], Operations: ['55-13=42', '78-35=43'] Exploring Operation: 42*43=1806, Resulting Numbers: [1806] 1806,84 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 42+43=85, Resulting Numbers: [85] 85,84 unequal: No Solution No 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: 84:[78, 7], Operations: ['55-13=42', '42-35=7'] Exploring Operation: 78+7=85, Resulting Numbers: [85] 85,84 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 78*7=546, Resulting Numbers: [546] 546,84 unequal: No Solution No 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: 84:[78, 77], Operations: ['55-13=42', '35+42=77'] Exploring Operation: 78+77=155, Resulting Numbers: [155] 155,84 unequal: No Solution Exploring Operation: 78-77=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 78*77=6006, Resulting Numbers: [6006] 6006,84 unequal: No Solution No 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: 84:[35, 36], Operations: ['55-13=42', '78-42=36'] Exploring Operation: 35*36=1260, Resulting Numbers: [1260] 1260,84 unequal: No Solution Exploring Operation: 35+36=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 84:[42, 113], Operations: ['55-13=42', '78+35=113'] Exploring Operation: 113-42=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 42+113=155, Resulting Numbers: [155] 155,84 unequal: No Solution Exploring Operation: 42*113=4746, Resulting Numbers: [4746] 4746,84 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: 84:[78, 13, 90], Operations: ['35+55=90'] Exploring Operation: 78+13=91, Resulting Numbers: [90, 91] Generated Node #0,3,0: 84:[90, 91] Operation: 78+13=91 Exploring Operation: 90-13=77, Resulting Numbers: [78, 77] Generated Node #0,3,1: 84:[78, 77] Operation: 90-13=77 Exploring Operation: 78/13=6, Resulting Numbers: [90, 6] Generated Node #0,3,2: 84:[90, 6] Operation: 78/13=6 Exploring Operation: 90-78=12, Resulting Numbers: [13, 12] Generated Node #0,3,3: 84:[13, 12] Operation: 90-78=12 Exploring Operation: 78-13=65, Resulting Numbers: [90, 65] Generated Node #0,3,4: 84:[90, 65] Operation: 78-13=65 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 84:[13, 12], Operations: ['35+55=90', '90-78=12'] Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,84 unequal: No Solution Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,84 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,84 unequal: No Solution No 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: 84:[90, 6], Operations: ['35+55=90', '78/13=6'] Exploring Operation: 90+6=96, Resulting Numbers: [96] 96,84 unequal: No Solution Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,84 unequal: No Solution Exploring Operation: 90*6=540, Resulting Numbers: [540] 540,84 unequal: No Solution Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[78, 13, 35, 55], Operations: [] Exploring Operation: 35+55=90, Resulting Numbers: [78, 13, 90] Generated Node #0,3: 84:[78, 13, 90] Operation: 35+55=90 Moving to Node #0,3 Current State: 84:[78, 13, 90], Operations: ['35+55=90'] Exploring Operation: 78/13=6, Resulting Numbers: [90, 6] Generated Node #0,3,2: 84:[90, 6] Operation: 78/13=6 Moving to Node #0,3,2 Current State: 84:[90, 6], Operations: ['35+55=90', '78/13=6'] Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.929688
hs_5
sum_heuristic
[ 3, 30, 87, 99 ]
92
[ "87+99=186", "186/3=62", "30+62=92" ]
Current State: 92:[3, 30, 87, 99], Operations: [] Exploring Operation: 87+99=186, Resulting Numbers: [3, 30, 186] Generated Node #2: [3, 30, 186] from Operation: 87+99=186 Current State: 92:[3, 30, 186], Operations: ['87+99=186'] Exploring Operation: 186/3=62, Resulting Numbers: [30, 62] Generated Node #3: [30, 62] from Operation: 186/3=62 Current State: 92:[30, 62], Operations: ['87+99=186', '186/3=62'] Exploring Operation: 30+62=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[3, 30, 87, 99], Operations: [] Exploring Operation: 30-3=27, Resulting Numbers: [87, 99, 27] Generated Node #0,0: 92:[87, 99, 27] Operation: 30-3=27 Exploring Operation: 3*30=90, Resulting Numbers: [87, 99, 90] Generated Node #0,1: 92:[87, 99, 90] Operation: 3*30=90 Moving to Node #0,1 Current State: 92:[87, 99, 90], Operations: ['3*30=90'] Exploring Operation: 99-87=12, Resulting Numbers: [90, 12] Generated Node #0,1,0: 92:[90, 12] Operation: 99-87=12 Exploring Operation: 90-87=3, Resulting Numbers: [99, 3] Generated Node #0,1,1: 92:[99, 3] Operation: 90-87=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[99, 3], Operations: ['3*30=90', '90-87=3'] Exploring Operation: 99+3=102, Resulting Numbers: [102] 102,92 unequal: No Solution Exploring Operation: 99-3=96, Resulting Numbers: [96] 96,92 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 #0,1,0 Current State: 92:[90, 12], Operations: ['3*30=90', '99-87=12'] Exploring Operation: 90-12=78, Resulting Numbers: [78] 78,92 unequal: No Solution Exploring Operation: 90+12=102, Resulting Numbers: [102] 102,92 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: 92:[87, 99, 27], Operations: ['30-3=27'] Exploring Operation: 87-27=60, Resulting Numbers: [99, 60] Generated Node #0,0,0: 92:[99, 60] Operation: 87-27=60 Exploring Operation: 99-87=12, Resulting Numbers: [27, 12] Generated Node #0,0,1: 92:[27, 12] Operation: 99-87=12 Moving to Node #0,0,1 Current State: 92:[27, 12], Operations: ['30-3=27', '99-87=12'] Exploring Operation: 27+12=39, Resulting Numbers: [39] 39,92 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[99, 60], Operations: ['30-3=27', '87-27=60'] Exploring Operation: 99+60=159, Resulting Numbers: [159] 159,92 unequal: No Solution Exploring Operation: 99-60=39, Resulting Numbers: [39] 39,92 unequal: No Solution No solution found.
0
hs_2
sum_heuristic