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
[ 47, 88, 17, 5 ]
44
[ "47+88=135", "135/5=27", "17+27=44" ]
Current State: 44:[47, 88, 17, 5], Operations: [] Exploring Operation: 47+88=135, Resulting Numbers: [17, 5, 135] Generated Node #2: [17, 5, 135] from Operation: 47+88=135 Current State: 44:[17, 5, 135], Operations: ['47+88=135'] Exploring Operation: 135/5=27, Resulting Numbers: [17, 27] Generated Node #3: [17, 27] from Operation: 135/5=27 Current State: 44:[17, 27], Operations: ['47+88=135', '135/5=27'] Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[47, 88, 17, 5], Operations: [] Exploring Operation: 88-17=71, Resulting Numbers: [47, 5, 71] Generated Node #0,0: 44:[47, 5, 71] Operation: 88-17=71 Exploring Operation: 88-47=41, Resulting Numbers: [17, 5, 41] Generated Node #0,1: 44:[17, 5, 41] Operation: 88-47=41 Moving to Node #0,1 Current State: 44:[17, 5, 41], Operations: ['88-47=41'] Exploring Operation: 41-17=24, Resulting Numbers: [5, 24] Generated Node #0,1,0: 44:[5, 24] Operation: 41-17=24 Exploring Operation: 17+5=22, Resulting Numbers: [41, 22] Generated Node #0,1,1: 44:[41, 22] Operation: 17+5=22 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 44:[5, 24], Operations: ['88-47=41', '41-17=24'] Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,44 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[41, 22], Operations: ['88-47=41', '17+5=22'] Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,44 unequal: No Solution Exploring Operation: 41+22=63, Resulting Numbers: [63] 63,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 44:[47, 5, 71], Operations: ['88-17=71'] Exploring Operation: 71-5=66, Resulting Numbers: [47, 66] Generated Node #0,0,0: 44:[47, 66] Operation: 71-5=66 Exploring Operation: 71-47=24, Resulting Numbers: [5, 24] Generated Node #0,0,1: 44:[5, 24] Operation: 71-47=24 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[5, 24], Operations: ['88-17=71', '71-47=24'] Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,44 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[47, 66], Operations: ['88-17=71', '71-5=66'] Exploring Operation: 66-47=19, Resulting Numbers: [19] 19,44 unequal: No Solution Exploring Operation: 47+66=113, Resulting Numbers: [113] 113,44 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
[ 2, 9, 18, 68 ]
41
[ "2*18=36", "9+68=77", "77-36=41" ]
Current State: 41:[2, 9, 18, 68], Operations: [] Exploring Operation: 2*18=36, Resulting Numbers: [9, 68, 36] Generated Node #2: [9, 68, 36] from Operation: 2*18=36 Current State: 41:[9, 68, 36], Operations: ['2*18=36'] Exploring Operation: 9+68=77, Resulting Numbers: [36, 77] Generated Node #3: [36, 77] from Operation: 9+68=77 Current State: 41:[36, 77], Operations: ['2*18=36', '9+68=77'] Exploring Operation: 77-36=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[2, 9, 18, 68], Operations: [] Exploring Operation: 2+9=11, Resulting Numbers: [18, 68, 11] Generated Node #0,0: 41:[18, 68, 11] Operation: 2+9=11 Exploring Operation: 68/2=34, Resulting Numbers: [9, 18, 34] Generated Node #0,1: 41:[9, 18, 34] Operation: 68/2=34 Exploring Operation: 2*9=18, Resulting Numbers: [18, 68, 18] Generated Node #0,2: 41:[18, 68, 18] Operation: 2*9=18 Exploring Operation: 2*18=36, Resulting Numbers: [9, 68, 36] Generated Node #0,3: 41:[9, 68, 36] Operation: 2*18=36 Moving to Node #0,1 Current State: 41:[9, 18, 34], Operations: ['68/2=34'] Exploring Operation: 18-9=9, Resulting Numbers: [34, 9] Generated Node #0,1,0: 41:[34, 9] Operation: 18-9=9 Exploring Operation: 9+34=43, Resulting Numbers: [18, 43] Generated Node #0,1,1: 41:[18, 43] Operation: 9+34=43 Exploring Operation: 9+18=27, Resulting Numbers: [34, 27] Generated Node #0,1,2: 41:[34, 27] Operation: 9+18=27 Exploring Operation: 34-9=25, Resulting Numbers: [18, 25] Generated Node #0,1,3: 41:[18, 25] Operation: 34-9=25 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[34, 27], Operations: ['68/2=34', '9+18=27'] Exploring Operation: 34+27=61, Resulting Numbers: [61] 61,41 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 34*27=918, Resulting Numbers: [918] 918,41 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 #0,1,1 Current State: 41:[18, 43], Operations: ['68/2=34', '9+34=43'] Exploring Operation: 18+43=61, Resulting Numbers: [61] 61,41 unequal: No Solution Exploring Operation: 18*43=774, Resulting Numbers: [774] 774,41 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,41 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 #0,1,0 Current State: 41:[34, 9], Operations: ['68/2=34', '18-9=9'] Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,41 unequal: No Solution Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,41 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 #0,1,3 Current State: 41:[18, 25], Operations: ['68/2=34', '34-9=25'] Exploring Operation: 18*25=450, Resulting Numbers: [450] 450,41 unequal: No Solution Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 18+25=43, Resulting Numbers: [43] 43,41 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: 41:[9, 68, 36], Operations: ['2*18=36'] Exploring Operation: 68-9=59, Resulting Numbers: [36, 59] Generated Node #0,3,0: 41:[36, 59] Operation: 68-9=59 Exploring Operation: 9+36=45, Resulting Numbers: [68, 45] Generated Node #0,3,1: 41:[68, 45] Operation: 9+36=45 Exploring Operation: 36-9=27, Resulting Numbers: [68, 27] Generated Node #0,3,2: 41:[68, 27] Operation: 36-9=27 Exploring Operation: 9+68=77, Resulting Numbers: [36, 77] Generated Node #0,3,3: 41:[36, 77] Operation: 9+68=77 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 41:[36, 59], Operations: ['2*18=36', '68-9=59'] Exploring Operation: 36+59=95, Resulting Numbers: [95] 95,41 unequal: No Solution Exploring Operation: 36*59=2124, Resulting Numbers: [2124] 2124,41 unequal: No Solution Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,41 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 #0,3,1 Current State: 41:[68, 45], Operations: ['2*18=36', '9+36=45'] Exploring Operation: 68-45=23, Resulting Numbers: [23] 23,41 unequal: No Solution Exploring Operation: 68*45=3060, Resulting Numbers: [3060] 3060,41 unequal: No Solution Exploring Operation: 68+45=113, Resulting Numbers: [113] 113,41 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 #0,3,2 Current State: 41:[68, 27], Operations: ['2*18=36', '36-9=27'] Exploring Operation: 68*27=1836, Resulting Numbers: [1836] 1836,41 unequal: No Solution Exploring Operation: 68+27=95, Resulting Numbers: [95] 95,41 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[2, 9, 18, 68], Operations: [] Exploring Operation: 2*18=36, Resulting Numbers: [9, 68, 36] Generated Node #0,3: 41:[9, 68, 36] Operation: 2*18=36 Moving to Node #0,3 Current State: 41:[9, 68, 36], Operations: ['2*18=36'] Exploring Operation: 36-9=27, Resulting Numbers: [68, 27] Generated Node #0,3,2: 41:[68, 27] Operation: 36-9=27 Moving to Node #0,3,2 Current State: 41:[68, 27], Operations: ['2*18=36', '36-9=27'] Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
mult_heuristic
[ 11, 93, 89, 74 ]
72
[ "89-74=15", "11*15=165", "165-93=72" ]
Current State: 72:[11, 93, 89, 74], Operations: [] Exploring Operation: 89-74=15, Resulting Numbers: [11, 93, 15] Generated Node #2: [11, 93, 15] from Operation: 89-74=15 Current State: 72:[11, 93, 15], Operations: ['89-74=15'] Exploring Operation: 11*15=165, Resulting Numbers: [93, 165] Generated Node #3: [93, 165] from Operation: 11*15=165 Current State: 72:[93, 165], Operations: ['89-74=15', '11*15=165'] Exploring Operation: 165-93=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[11, 93, 89, 74], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [11, 74, 4] Generated Node #0,0: 72:[11, 74, 4] Operation: 93-89=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[11, 74, 4], Operations: ['93-89=4'] Exploring Operation: 11-4=7, Resulting Numbers: [74, 7] Generated Node #0,0,0: 72:[74, 7] Operation: 11-4=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[74, 7], Operations: ['93-89=4', '11-4=7'] Exploring Operation: 74-7=67, Resulting Numbers: [67] 67,72 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
[ 41, 32, 72, 25 ]
24
[ "41+32=73", "72+25=97", "97-73=24" ]
Current State: 24:[41, 32, 72, 25], Operations: [] Exploring Operation: 41+32=73, Resulting Numbers: [72, 25, 73] Generated Node #2: [72, 25, 73] from Operation: 41+32=73 Current State: 24:[72, 25, 73], Operations: ['41+32=73'] Exploring Operation: 72+25=97, Resulting Numbers: [73, 97] Generated Node #3: [73, 97] from Operation: 72+25=97 Current State: 24:[73, 97], Operations: ['41+32=73', '72+25=97'] Exploring Operation: 97-73=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[41, 32, 72, 25], Operations: [] Exploring Operation: 72-41=31, Resulting Numbers: [32, 25, 31] Generated Node #0,0: 24:[32, 25, 31] Operation: 72-41=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[32, 25, 31], Operations: ['72-41=31'] Exploring Operation: 32-31=1, Resulting Numbers: [25, 1] Generated Node #0,0,0: 24:[25, 1] Operation: 32-31=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[25, 1], Operations: ['72-41=31', '32-31=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[41, 32, 72, 25], Operations: [] Exploring Operation: 72-41=31, Resulting Numbers: [32, 25, 31] Generated Node #0,0: 24:[32, 25, 31] Operation: 72-41=31 Moving to Node #0,0 Current State: 24:[32, 25, 31], Operations: ['72-41=31'] Exploring Operation: 32-31=1, Resulting Numbers: [25, 1] Generated Node #0,0,0: 24:[25, 1] Operation: 32-31=1 Moving to Node #0,0,0 Current State: 24:[25, 1], Operations: ['72-41=31', '32-31=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
0.993924
hs_1
sum_heuristic
[ 87, 48, 20, 72 ]
57
[ "20*72=1440", "1440/48=30", "87-30=57" ]
Current State: 57:[87, 48, 20, 72], Operations: [] Exploring Operation: 20*72=1440, Resulting Numbers: [87, 48, 1440] Generated Node #2: [87, 48, 1440] from Operation: 20*72=1440 Current State: 57:[87, 48, 1440], Operations: ['20*72=1440'] Exploring Operation: 1440/48=30, Resulting Numbers: [87, 30] Generated Node #3: [87, 30] from Operation: 1440/48=30 Current State: 57:[87, 30], Operations: ['20*72=1440', '1440/48=30'] Exploring Operation: 87-30=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[87, 48, 20, 72], Operations: [] Exploring Operation: 87-20=67, Resulting Numbers: [48, 72, 67] Generated Node #0,0: 57:[48, 72, 67] Operation: 87-20=67 Exploring Operation: 87-72=15, Resulting Numbers: [48, 20, 15] Generated Node #0,1: 57:[48, 20, 15] Operation: 87-72=15 Exploring Operation: 72-20=52, Resulting Numbers: [87, 48, 52] Generated Node #0,2: 57:[87, 48, 52] Operation: 72-20=52 Exploring Operation: 87-48=39, Resulting Numbers: [20, 72, 39] Generated Node #0,3: 57:[20, 72, 39] Operation: 87-48=39 Exploring Operation: 72-48=24, Resulting Numbers: [87, 20, 24] Generated Node #0,4: 57:[87, 20, 24] Operation: 72-48=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[48, 20, 15], Operations: ['87-72=15'] Exploring Operation: 48-20=28, Resulting Numbers: [15, 28] Generated Node #0,1,0: 57:[15, 28] Operation: 48-20=28 Exploring Operation: 20-15=5, Resulting Numbers: [48, 5] Generated Node #0,1,1: 57:[48, 5] Operation: 20-15=5 Exploring Operation: 48+20=68, Resulting Numbers: [15, 68] Generated Node #0,1,2: 57:[15, 68] Operation: 48+20=68 Exploring Operation: 48+15=63, Resulting Numbers: [20, 63] Generated Node #0,1,3: 57:[20, 63] Operation: 48+15=63 Exploring Operation: 48-15=33, Resulting Numbers: [20, 33] Generated Node #0,1,4: 57:[20, 33] Operation: 48-15=33 Moving to Node #0,1,3 Current State: 57:[20, 63], Operations: ['87-72=15', '48+15=63'] Exploring Operation: 20+63=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 20*63=1260, Resulting Numbers: [1260] 1260,57 unequal: No Solution Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[48, 5], Operations: ['87-72=15', '20-15=5'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,57 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[15, 28], Operations: ['87-72=15', '48-20=28'] Exploring Operation: 15*28=420, Resulting Numbers: [420] 420,57 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[15, 68], Operations: ['87-72=15', '48+20=68'] Exploring Operation: 15+68=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 15*68=1020, Resulting Numbers: [1020] 1020,57 unequal: No Solution Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,57 unequal: No Solution Moving to Node #0,1,4 Current State: 57:[20, 33], Operations: ['87-72=15', '48-15=33'] Exploring Operation: 20*33=660, Resulting Numbers: [660] 660,57 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 20+33=53, Resulting Numbers: [53] 53,57 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:[48, 72, 67], Operations: ['87-20=67'] Exploring Operation: 67-48=19, Resulting Numbers: [72, 19] Generated Node #0,0,0: 57:[72, 19] Operation: 67-48=19 Exploring Operation: 72-67=5, Resulting Numbers: [48, 5] Generated Node #0,0,1: 57:[48, 5] Operation: 72-67=5 Exploring Operation: 72-48=24, Resulting Numbers: [67, 24] Generated Node #0,0,2: 57:[67, 24] Operation: 72-48=24 Exploring Operation: 48+72=120, Resulting Numbers: [67, 120] Generated Node #0,0,3: 57:[67, 120] Operation: 48+72=120 Exploring Operation: 48+67=115, Resulting Numbers: [72, 115] Generated Node #0,0,4: 57:[72, 115] Operation: 48+67=115 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[48, 5], Operations: ['87-20=67', '72-67=5'] Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,57 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,57 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,57 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:[72, 19], Operations: ['87-20=67', '67-48=19'] Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 72*19=1368, Resulting Numbers: [1368] 1368,57 unequal: No Solution Exploring Operation: 72+19=91, Resulting Numbers: [91] 91,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 57:[67, 24], Operations: ['87-20=67', '72-48=24'] Exploring Operation: 67+24=91, Resulting Numbers: [91] 91,57 unequal: No Solution Exploring Operation: 67-24=43, Resulting Numbers: [43] 43,57 unequal: No Solution Exploring Operation: 67*24=1608, Resulting Numbers: [1608] 1608,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 57:[67, 120], Operations: ['87-20=67', '48+72=120'] Exploring Operation: 67*120=8040, Resulting Numbers: [8040] 8040,57 unequal: No Solution Exploring Operation: 67+120=187, Resulting Numbers: [187] 187,57 unequal: No Solution Exploring Operation: 120-67=53, Resulting Numbers: [53] 53,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 57:[72, 115], Operations: ['87-20=67', '48+67=115'] Exploring Operation: 72*115=8280, Resulting Numbers: [8280] 8280,57 unequal: No Solution Exploring Operation: 115-72=43, Resulting Numbers: [43] 43,57 unequal: No Solution Exploring Operation: 72+115=187, Resulting Numbers: [187] 187,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[20, 72, 39], Operations: ['87-48=39'] Exploring Operation: 72-39=33, Resulting Numbers: [20, 33] Generated Node #0,3,0: 57:[20, 33] Operation: 72-39=33 Exploring Operation: 72-20=52, Resulting Numbers: [39, 52] Generated Node #0,3,1: 57:[39, 52] Operation: 72-20=52 Exploring Operation: 39-20=19, Resulting Numbers: [72, 19] Generated Node #0,3,2: 57:[72, 19] Operation: 39-20=19 Exploring Operation: 20+72=92, Resulting Numbers: [39, 92] Generated Node #0,3,3: 57:[39, 92] Operation: 20+72=92 Exploring Operation: 20+39=59, Resulting Numbers: [72, 59] Generated Node #0,3,4: 57:[72, 59] Operation: 20+39=59 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 57:[20, 33], Operations: ['87-48=39', '72-39=33'] Exploring Operation: 20*33=660, Resulting Numbers: [660] 660,57 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 20+33=53, Resulting Numbers: [53] 53,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 57:[72, 19], Operations: ['87-48=39', '39-20=19'] Exploring Operation: 72+19=91, Resulting Numbers: [91] 91,57 unequal: No Solution Exploring Operation: 72*19=1368, Resulting Numbers: [1368] 1368,57 unequal: No Solution Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 57:[72, 59], Operations: ['87-48=39', '20+39=59'] Exploring Operation: 72-59=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 72+59=131, Resulting Numbers: [131] 131,57 unequal: No Solution Exploring Operation: 72*59=4248, Resulting Numbers: [4248] 4248,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 57:[39, 52], Operations: ['87-48=39', '72-20=52'] Exploring Operation: 39+52=91, Resulting Numbers: [91] 91,57 unequal: No Solution Exploring Operation: 52-39=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 39*52=2028, Resulting Numbers: [2028] 2028,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 57:[39, 92], Operations: ['87-48=39', '20+72=92'] Exploring Operation: 39+92=131, Resulting Numbers: [131] 131,57 unequal: No Solution Exploring Operation: 92-39=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 39*92=3588, Resulting Numbers: [3588] 3588,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 57:[87, 20, 24], Operations: ['72-48=24'] Exploring Operation: 87+20=107, Resulting Numbers: [24, 107] Generated Node #0,4,0: 57:[24, 107] Operation: 87+20=107 Exploring Operation: 87-24=63, Resulting Numbers: [20, 63] Generated Node #0,4,1: 57:[20, 63] Operation: 87-24=63 Exploring Operation: 20+24=44, Resulting Numbers: [87, 44] Generated Node #0,4,2: 57:[87, 44] Operation: 20+24=44 Exploring Operation: 87-20=67, Resulting Numbers: [24, 67] Generated Node #0,4,3: 57:[24, 67] Operation: 87-20=67 Exploring Operation: 24-20=4, Resulting Numbers: [87, 4] Generated Node #0,4,4: 57:[87, 4] Operation: 24-20=4 Moving to Node #0,4,1 Current State: 57:[20, 63], Operations: ['72-48=24', '87-24=63'] Exploring Operation: 20*63=1260, Resulting Numbers: [1260] 1260,57 unequal: No Solution Exploring Operation: 20+63=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,57 unequal: No Solution Moving to Node #0,4,3 Current State: 57:[24, 67], Operations: ['72-48=24', '87-20=67'] Exploring Operation: 24+67=91, Resulting Numbers: [91] 91,57 unequal: No Solution Exploring Operation: 67-24=43, Resulting Numbers: [43] 43,57 unequal: No Solution Exploring Operation: 24*67=1608, Resulting Numbers: [1608] 1608,57 unequal: No Solution Moving to Node #0,4,4 Current State: 57:[87, 4], Operations: ['72-48=24', '24-20=4'] Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 87*4=348, Resulting Numbers: [348] 348,57 unequal: No Solution Exploring Operation: 87+4=91, Resulting Numbers: [91] 91,57 unequal: No Solution Moving to Node #0,4,2 Current State: 57:[87, 44], Operations: ['72-48=24', '20+24=44'] Exploring Operation: 87*44=3828, Resulting Numbers: [3828] 3828,57 unequal: No Solution Exploring Operation: 87+44=131, Resulting Numbers: [131] 131,57 unequal: No Solution Exploring Operation: 87-44=43, Resulting Numbers: [43] 43,57 unequal: No Solution Moving to Node #0,4,0 Current State: 57:[24, 107], Operations: ['72-48=24', '87+20=107'] Exploring Operation: 24*107=2568, Resulting Numbers: [2568] 2568,57 unequal: No Solution Exploring Operation: 24+107=131, Resulting Numbers: [131] 131,57 unequal: No Solution Exploring Operation: 107-24=83, Resulting Numbers: [83] 83,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[87, 48, 52], Operations: ['72-20=52'] Exploring Operation: 87-48=39, Resulting Numbers: [52, 39] Generated Node #0,2,0: 57:[52, 39] Operation: 87-48=39 Exploring Operation: 48+52=100, Resulting Numbers: [87, 100] Generated Node #0,2,1: 57:[87, 100] Operation: 48+52=100 Exploring Operation: 87-52=35, Resulting Numbers: [48, 35] Generated Node #0,2,2: 57:[48, 35] Operation: 87-52=35 Exploring Operation: 52-48=4, Resulting Numbers: [87, 4] Generated Node #0,2,3: 57:[87, 4] Operation: 52-48=4 Exploring Operation: 87+48=135, Resulting Numbers: [52, 135] Generated Node #0,2,4: 57:[52, 135] Operation: 87+48=135 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 57:[52, 39], Operations: ['72-20=52', '87-48=39'] Exploring Operation: 52*39=2028, Resulting Numbers: [2028] 2028,57 unequal: No Solution Exploring Operation: 52-39=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 52+39=91, Resulting Numbers: [91] 91,57 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 #0,2,2 Current State: 57:[48, 35], Operations: ['72-20=52', '87-52=35'] Exploring Operation: 48+35=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 48*35=1680, Resulting Numbers: [1680] 1680,57 unequal: No Solution Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,57 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 #0,2,3 Current State: 57:[87, 4], Operations: ['72-20=52', '52-48=4'] Exploring Operation: 87+4=91, Resulting Numbers: [91] 91,57 unequal: No Solution Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 87*4=348, Resulting Numbers: [348] 348,57 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 #0,2,1 Current State: 57:[87, 100], Operations: ['72-20=52', '48+52=100'] Exploring Operation: 87*100=8700, Resulting Numbers: [8700] 8700,57 unequal: No Solution Exploring Operation: 87+100=187, Resulting Numbers: [187] 187,57 unequal: No Solution Exploring Operation: 100-87=13, Resulting Numbers: [13] 13,57 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 #0,2,4 Current State: 57:[52, 135], Operations: ['72-20=52', '87+48=135'] Exploring Operation: 52*135=7020, Resulting Numbers: [7020] 7020,57 unequal: No Solution Exploring Operation: 135-52=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 52+135=187, Resulting Numbers: [187] 187,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 13, 81, 33, 10 ]
45
[ "81-13=68", "33-10=23", "68-23=45" ]
Current State: 45:[13, 81, 33, 10], Operations: [] Exploring Operation: 81-13=68, Resulting Numbers: [33, 10, 68] Generated Node #2: [33, 10, 68] from Operation: 81-13=68 Current State: 45:[33, 10, 68], Operations: ['81-13=68'] Exploring Operation: 33-10=23, Resulting Numbers: [68, 23] Generated Node #3: [68, 23] from Operation: 33-10=23 Current State: 45:[68, 23], Operations: ['81-13=68', '33-10=23'] Exploring Operation: 68-23=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[13, 81, 33, 10], Operations: [] Exploring Operation: 13+33=46, Resulting Numbers: [81, 10, 46] Generated Node #0,0: 45:[81, 10, 46] Operation: 13+33=46 Exploring Operation: 81-13=68, Resulting Numbers: [33, 10, 68] Generated Node #0,1: 45:[33, 10, 68] Operation: 81-13=68 Exploring Operation: 81-33=48, Resulting Numbers: [13, 10, 48] Generated Node #0,2: 45:[13, 10, 48] Operation: 81-33=48 Moving to Node #0,2 Current State: 45:[13, 10, 48], Operations: ['81-33=48'] Exploring Operation: 13-10=3, Resulting Numbers: [48, 3] Generated Node #0,2,0: 45:[48, 3] Operation: 13-10=3 Exploring Operation: 48-10=38, Resulting Numbers: [13, 38] Generated Node #0,2,1: 45:[13, 38] Operation: 48-10=38 Exploring Operation: 13+10=23, Resulting Numbers: [48, 23] Generated Node #0,2,2: 45:[48, 23] Operation: 13+10=23 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 45:[48, 3], Operations: ['81-33=48', '13-10=3'] Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,45 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[13, 81, 33, 10], Operations: [] Exploring Operation: 81-33=48, Resulting Numbers: [13, 10, 48] Generated Node #0,2: 45:[13, 10, 48] Operation: 81-33=48 Moving to Node #0,2 Current State: 45:[13, 10, 48], Operations: ['81-33=48'] Exploring Operation: 13-10=3, Resulting Numbers: [48, 3] Generated Node #0,2,0: 45:[48, 3] Operation: 13-10=3 Moving to Node #0,2,0 Current State: 45:[48, 3], Operations: ['81-33=48', '13-10=3'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 13, 54, 70, 14 ]
43
[ "54-13=41", "70+14=84", "84-41=43" ]
Current State: 43:[13, 54, 70, 14], Operations: [] Exploring Operation: 54-13=41, Resulting Numbers: [70, 14, 41] Generated Node #2: [70, 14, 41] from Operation: 54-13=41 Current State: 43:[70, 14, 41], Operations: ['54-13=41'] Exploring Operation: 70+14=84, Resulting Numbers: [41, 84] Generated Node #3: [41, 84] from Operation: 70+14=84 Current State: 43:[41, 84], Operations: ['54-13=41', '70+14=84'] Exploring Operation: 84-41=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[13, 54, 70, 14], Operations: [] Exploring Operation: 70-13=57, Resulting Numbers: [54, 14, 57] Generated Node #0,0: 43:[54, 14, 57] Operation: 70-13=57 Exploring Operation: 54-13=41, Resulting Numbers: [70, 14, 41] Generated Node #0,1: 43:[70, 14, 41] Operation: 54-13=41 Exploring Operation: 54-14=40, Resulting Numbers: [13, 70, 40] Generated Node #0,2: 43:[13, 70, 40] Operation: 54-14=40 Exploring Operation: 13+14=27, Resulting Numbers: [54, 70, 27] Generated Node #0,3: 43:[54, 70, 27] Operation: 13+14=27 Exploring Operation: 70-14=56, Resulting Numbers: [13, 54, 56] Generated Node #0,4: 43:[13, 54, 56] Operation: 70-14=56 Moving to Node #0,0 Current State: 43:[54, 14, 57], Operations: ['70-13=57'] Exploring Operation: 14+57=71, Resulting Numbers: [54, 71] Generated Node #0,0,0: 43:[54, 71] Operation: 14+57=71 Exploring Operation: 57-54=3, Resulting Numbers: [14, 3] Generated Node #0,0,1: 43:[14, 3] Operation: 57-54=3 Exploring Operation: 57-14=43, Resulting Numbers: [54, 43] Generated Node #0,0,2: 43:[54, 43] Operation: 57-14=43 Exploring Operation: 54+14=68, Resulting Numbers: [57, 68] Generated Node #0,0,3: 43:[57, 68] Operation: 54+14=68 Exploring Operation: 54-14=40, Resulting Numbers: [57, 40] Generated Node #0,0,4: 43:[57, 40] Operation: 54-14=40 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[54, 43], Operations: ['70-13=57', '57-14=43'] Exploring Operation: 54*43=2322, Resulting Numbers: [2322] 2322,43 unequal: No Solution Exploring Operation: 54+43=97, Resulting Numbers: [97] 97,43 unequal: No Solution Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 43:[57, 40], Operations: ['70-13=57', '54-14=40'] Exploring Operation: 57*40=2280, Resulting Numbers: [2280] 2280,43 unequal: No Solution Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 57+40=97, Resulting Numbers: [97] 97,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[54, 71], Operations: ['70-13=57', '14+57=71'] Exploring Operation: 54+71=125, Resulting Numbers: [125] 125,43 unequal: No Solution Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 54*71=3834, Resulting Numbers: [3834] 3834,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 43:[57, 68], Operations: ['70-13=57', '54+14=68'] Exploring Operation: 57+68=125, Resulting Numbers: [125] 125,43 unequal: No Solution Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 57*68=3876, Resulting Numbers: [3876] 3876,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[14, 3], Operations: ['70-13=57', '57-54=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,43 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: 43:[13, 54, 56], Operations: ['70-14=56'] Exploring Operation: 13+54=67, Resulting Numbers: [56, 67] Generated Node #0,4,0: 43:[56, 67] Operation: 13+54=67 Exploring Operation: 13+56=69, Resulting Numbers: [54, 69] Generated Node #0,4,1: 43:[54, 69] Operation: 13+56=69 Exploring Operation: 54-13=41, Resulting Numbers: [56, 41] Generated Node #0,4,2: 43:[56, 41] Operation: 54-13=41 Exploring Operation: 56-54=2, Resulting Numbers: [13, 2] Generated Node #0,4,3: 43:[13, 2] Operation: 56-54=2 Exploring Operation: 56-13=43, Resulting Numbers: [54, 43] Generated Node #0,4,4: 43:[54, 43] Operation: 56-13=43 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 43:[54, 43], Operations: ['70-14=56', '56-13=43'] Exploring Operation: 54*43=2322, Resulting Numbers: [2322] 2322,43 unequal: No Solution Exploring Operation: 54+43=97, Resulting Numbers: [97] 97,43 unequal: No Solution Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 43:[56, 41], Operations: ['70-14=56', '54-13=41'] Exploring Operation: 56+41=97, Resulting Numbers: [97] 97,43 unequal: No Solution Exploring Operation: 56*41=2296, Resulting Numbers: [2296] 2296,43 unequal: No Solution Exploring Operation: 56-41=15, Resulting Numbers: [15] 15,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 43:[56, 67], Operations: ['70-14=56', '13+54=67'] Exploring Operation: 56*67=3752, Resulting Numbers: [3752] 3752,43 unequal: No Solution Exploring Operation: 56+67=123, Resulting Numbers: [123] 123,43 unequal: No Solution Exploring Operation: 67-56=11, Resulting Numbers: [11] 11,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 43:[54, 69], Operations: ['70-14=56', '13+56=69'] Exploring Operation: 54*69=3726, Resulting Numbers: [3726] 3726,43 unequal: No Solution Exploring Operation: 69-54=15, Resulting Numbers: [15] 15,43 unequal: No Solution Exploring Operation: 54+69=123, Resulting Numbers: [123] 123,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 43:[13, 2], Operations: ['70-14=56', '56-54=2'] Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,43 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,43 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: 43:[54, 70, 27], Operations: ['13+14=27'] Exploring Operation: 70-54=16, Resulting Numbers: [27, 16] Generated Node #0,3,0: 43:[27, 16] Operation: 70-54=16 Exploring Operation: 54+27=81, Resulting Numbers: [70, 81] Generated Node #0,3,1: 43:[70, 81] Operation: 54+27=81 Exploring Operation: 70+27=97, Resulting Numbers: [54, 97] Generated Node #0,3,2: 43:[54, 97] Operation: 70+27=97 Exploring Operation: 54-27=27, Resulting Numbers: [70, 27] Generated Node #0,3,3: 43:[70, 27] Operation: 54-27=27 Exploring Operation: 70-27=43, Resulting Numbers: [54, 43] Generated Node #0,3,4: 43:[54, 43] Operation: 70-27=43 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 43:[54, 43], Operations: ['13+14=27', '70-27=43'] Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 54*43=2322, Resulting Numbers: [2322] 2322,43 unequal: No Solution Exploring Operation: 54+43=97, Resulting Numbers: [97] 97,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 43:[27, 16], Operations: ['13+14=27', '70-54=16'] Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,43 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[13, 54, 70, 14], Operations: [] Exploring Operation: 13+14=27, Resulting Numbers: [54, 70, 27] Generated Node #0,3: 43:[54, 70, 27] Operation: 13+14=27 Moving to Node #0,3 Current State: 43:[54, 70, 27], Operations: ['13+14=27'] Exploring Operation: 70-54=16, Resulting Numbers: [27, 16] Generated Node #0,3,0: 43:[27, 16] Operation: 70-54=16 Moving to Node #0,3,0 Current State: 43:[27, 16], Operations: ['13+14=27', '70-54=16'] Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.947917
hs_5
mult_heuristic
[ 24, 1, 8, 72 ]
68
[ "24/8=3", "72-1=71", "71-3=68" ]
Current State: 68:[24, 1, 8, 72], Operations: [] Exploring Operation: 24/8=3, Resulting Numbers: [1, 72, 3] Generated Node #2: [1, 72, 3] from Operation: 24/8=3 Current State: 68:[1, 72, 3], Operations: ['24/8=3'] Exploring Operation: 72-1=71, Resulting Numbers: [3, 71] Generated Node #3: [3, 71] from Operation: 72-1=71 Current State: 68:[3, 71], Operations: ['24/8=3', '72-1=71'] Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[24, 1, 8, 72], Operations: [] Exploring Operation: 24+8=32, Resulting Numbers: [1, 72, 32] Generated Node #0,0: 68:[1, 72, 32] Operation: 24+8=32 Exploring Operation: 24-8=16, Resulting Numbers: [1, 72, 16] Generated Node #0,1: 68:[1, 72, 16] Operation: 24-8=16 Exploring Operation: 72/24=3, Resulting Numbers: [1, 8, 3] Generated Node #0,2: 68:[1, 8, 3] Operation: 72/24=3 Exploring Operation: 24/8=3, Resulting Numbers: [1, 72, 3] Generated Node #0,3: 68:[1, 72, 3] Operation: 24/8=3 Moving to Node #0,1 Current State: 68:[1, 72, 16], Operations: ['24-8=16'] Exploring Operation: 72/1=72, Resulting Numbers: [16, 72] Generated Node #0,1,0: 68:[16, 72] Operation: 72/1=72 Exploring Operation: 72-1=71, Resulting Numbers: [16, 71] Generated Node #0,1,1: 68:[16, 71] Operation: 72-1=71 Exploring Operation: 1*72=72, Resulting Numbers: [16, 72] Generated Node #0,1,2: 68:[16, 72] Operation: 1*72=72 Exploring Operation: 1+16=17, Resulting Numbers: [72, 17] Generated Node #0,1,3: 68:[72, 17] Operation: 1+16=17 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[16, 71], Operations: ['24-8=16', '72-1=71'] Exploring Operation: 16*71=1136, Resulting Numbers: [1136] 1136,68 unequal: No Solution Exploring Operation: 71-16=55, Resulting Numbers: [55] 55,68 unequal: No Solution Exploring Operation: 16+71=87, Resulting Numbers: [87] 87,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 68:[72, 17], Operations: ['24-8=16', '1+16=17'] Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,68 unequal: No Solution Exploring Operation: 72*17=1224, Resulting Numbers: [1224] 1224,68 unequal: No Solution Exploring Operation: 72+17=89, Resulting Numbers: [89] 89,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[16, 72], Operations: ['24-8=16', '72/1=72'] Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,68 unequal: No Solution Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,68 unequal: No Solution Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 68:[16, 72], Operations: ['24-8=16', '1*72=72'] Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,68 unequal: No Solution Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,68 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: 68:[1, 72, 3], Operations: ['24/8=3'] Exploring Operation: 72-1=71, Resulting Numbers: [3, 71] Generated Node #0,3,0: 68:[3, 71] Operation: 72-1=71 Exploring Operation: 1+3=4, Resulting Numbers: [72, 4] Generated Node #0,3,1: 68:[72, 4] Operation: 1+3=4 Exploring Operation: 72-3=69, Resulting Numbers: [1, 69] Generated Node #0,3,2: 68:[1, 69] Operation: 72-3=69 Exploring Operation: 3-1=2, Resulting Numbers: [72, 2] Generated Node #0,3,3: 68:[72, 2] Operation: 3-1=2 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 68:[1, 69], Operations: ['24/8=3', '72-3=69'] Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,68 unequal: No Solution Exploring Operation: 1*69=69, Resulting Numbers: [69] 69,68 unequal: No Solution Exploring Operation: 1+69=70, Resulting Numbers: [70] 70,68 unequal: No Solution Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[24, 1, 8, 72], Operations: [] Exploring Operation: 24/8=3, Resulting Numbers: [1, 72, 3] Generated Node #0,3: 68:[1, 72, 3] Operation: 24/8=3 Moving to Node #0,3 Current State: 68:[1, 72, 3], Operations: ['24/8=3'] Exploring Operation: 72-3=69, Resulting Numbers: [1, 69] Generated Node #0,3,2: 68:[1, 69] Operation: 72-3=69 Moving to Node #0,3,2 Current State: 68:[1, 69], Operations: ['24/8=3', '72-3=69'] Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 25, 71, 1, 78 ]
33
[ "71-25=46", "1+78=79", "79-46=33" ]
Current State: 33:[25, 71, 1, 78], Operations: [] Exploring Operation: 71-25=46, Resulting Numbers: [1, 78, 46] Generated Node #2: [1, 78, 46] from Operation: 71-25=46 Current State: 33:[1, 78, 46], Operations: ['71-25=46'] Exploring Operation: 1+78=79, Resulting Numbers: [46, 79] Generated Node #3: [46, 79] from Operation: 1+78=79 Current State: 33:[46, 79], Operations: ['71-25=46', '1+78=79'] Exploring Operation: 79-46=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[25, 71, 1, 78], Operations: [] Exploring Operation: 71-25=46, Resulting Numbers: [1, 78, 46] Generated Node #0,0: 33:[1, 78, 46] Operation: 71-25=46 Exploring Operation: 25+1=26, Resulting Numbers: [71, 78, 26] Generated Node #0,1: 33:[71, 78, 26] Operation: 25+1=26 Exploring Operation: 78-71=7, Resulting Numbers: [25, 1, 7] Generated Node #0,2: 33:[25, 1, 7] Operation: 78-71=7 Exploring Operation: 78-25=53, Resulting Numbers: [71, 1, 53] Generated Node #0,3: 33:[71, 1, 53] Operation: 78-25=53 Moving to Node #0,2 Current State: 33:[25, 1, 7], Operations: ['78-71=7'] Exploring Operation: 25+1=26, Resulting Numbers: [7, 26] Generated Node #0,2,0: 33:[7, 26] Operation: 25+1=26 Exploring Operation: 25-7=18, Resulting Numbers: [1, 18] Generated Node #0,2,1: 33:[1, 18] Operation: 25-7=18 Exploring Operation: 1+7=8, Resulting Numbers: [25, 8] Generated Node #0,2,2: 33:[25, 8] Operation: 1+7=8 Exploring Operation: 25+7=32, Resulting Numbers: [1, 32] Generated Node #0,2,3: 33:[1, 32] Operation: 25+7=32 Moving to Node #0,3 Current State: 33:[71, 1, 53], Operations: ['78-25=53'] Exploring Operation: 71*1=71, Resulting Numbers: [53, 71] Generated Node #0,3,0: 33:[53, 71] Operation: 71*1=71 Exploring Operation: 71-53=18, Resulting Numbers: [1, 18] Generated Node #0,3,1: 33:[1, 18] Operation: 71-53=18 Exploring Operation: 71-1=70, Resulting Numbers: [53, 70] Generated Node #0,3,2: 33:[53, 70] Operation: 71-1=70 Exploring Operation: 53-1=52, Resulting Numbers: [71, 52] Generated Node #0,3,3: 33:[71, 52] Operation: 53-1=52 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 33:[1, 18], Operations: ['78-25=53', '71-53=18'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 1*18=18, Resulting Numbers: [18] 18,33 unequal: No Solution Exploring Operation: 1+18=19, Resulting Numbers: [19] 19,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 33:[53, 70], Operations: ['78-25=53', '71-1=70'] Exploring Operation: 53+70=123, Resulting Numbers: [123] 123,33 unequal: No Solution Exploring Operation: 70-53=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 53*70=3710, Resulting Numbers: [3710] 3710,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 33:[71, 52], Operations: ['78-25=53', '53-1=52'] Exploring Operation: 71+52=123, Resulting Numbers: [123] 123,33 unequal: No Solution Exploring Operation: 71-52=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 71*52=3692, Resulting Numbers: [3692] 3692,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 33:[53, 71], Operations: ['78-25=53', '71*1=71'] Exploring Operation: 53+71=124, Resulting Numbers: [124] 124,33 unequal: No Solution Exploring Operation: 53*71=3763, Resulting Numbers: [3763] 3763,33 unequal: No Solution Exploring Operation: 71-53=18, Resulting Numbers: [18] 18,33 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: 33:[1, 78, 46], Operations: ['71-25=46'] Exploring Operation: 46-1=45, Resulting Numbers: [78, 45] Generated Node #0,0,0: 33:[78, 45] Operation: 46-1=45 Exploring Operation: 1*78=78, Resulting Numbers: [46, 78] Generated Node #0,0,1: 33:[46, 78] Operation: 1*78=78 Exploring Operation: 78-46=32, Resulting Numbers: [1, 32] Generated Node #0,0,2: 33:[1, 32] Operation: 78-46=32 Exploring Operation: 78-1=77, Resulting Numbers: [46, 77] Generated Node #0,0,3: 33:[46, 77] Operation: 78-1=77 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 33:[1, 32], Operations: ['71-25=46', '78-46=32'] Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 1+32=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[25, 71, 1, 78], Operations: [] Exploring Operation: 71-25=46, Resulting Numbers: [1, 78, 46] Generated Node #0,0: 33:[1, 78, 46] Operation: 71-25=46 Moving to Node #0,0 Current State: 33:[1, 78, 46], Operations: ['71-25=46'] Exploring Operation: 78-46=32, Resulting Numbers: [1, 32] Generated Node #0,0,2: 33:[1, 32] Operation: 78-46=32 Moving to Node #0,0,2 Current State: 33:[1, 32], Operations: ['71-25=46', '78-46=32'] Exploring Operation: 1+32=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 3, 27, 90, 4 ]
99
[ "3+4=7", "27*7=189", "189-90=99" ]
Current State: 99:[3, 27, 90, 4], Operations: [] Exploring Operation: 3+4=7, Resulting Numbers: [27, 90, 7] Generated Node #2: [27, 90, 7] from Operation: 3+4=7 Current State: 99:[27, 90, 7], Operations: ['3+4=7'] Exploring Operation: 27*7=189, Resulting Numbers: [90, 189] Generated Node #3: [90, 189] from Operation: 27*7=189 Current State: 99:[90, 189], Operations: ['3+4=7', '27*7=189'] Exploring Operation: 189-90=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[3, 27, 90, 4], Operations: [] Exploring Operation: 27/3=9, Resulting Numbers: [90, 4, 9] Generated Node #0,0: 99:[90, 4, 9] Operation: 27/3=9 Exploring Operation: 27+4=31, Resulting Numbers: [3, 90, 31] Generated Node #0,1: 99:[3, 90, 31] Operation: 27+4=31 Exploring Operation: 3+27=30, Resulting Numbers: [90, 4, 30] Generated Node #0,2: 99:[90, 4, 30] Operation: 3+27=30 Exploring Operation: 90+4=94, Resulting Numbers: [3, 27, 94] Generated Node #0,3: 99:[3, 27, 94] Operation: 90+4=94 Exploring Operation: 90/3=30, Resulting Numbers: [27, 4, 30] Generated Node #0,4: 99:[27, 4, 30] Operation: 90/3=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[90, 4, 9], Operations: ['27/3=9'] Exploring Operation: 4+9=13, Resulting Numbers: [90, 13] Generated Node #0,0,0: 99:[90, 13] Operation: 4+9=13 Exploring Operation: 90/9=10, Resulting Numbers: [4, 10] Generated Node #0,0,1: 99:[4, 10] Operation: 90/9=10 Exploring Operation: 90+4=94, Resulting Numbers: [9, 94] Generated Node #0,0,2: 99:[9, 94] Operation: 90+4=94 Exploring Operation: 9-4=5, Resulting Numbers: [90, 5] Generated Node #0,0,3: 99:[90, 5] Operation: 9-4=5 Exploring Operation: 90+9=99, Resulting Numbers: [4, 99] Generated Node #0,0,4: 99:[4, 99] Operation: 90+9=99 Moving to Node #0,0,4 Current State: 99:[4, 99], Operations: ['27/3=9', '90+9=99'] Exploring Operation: 4*99=396, Resulting Numbers: [396] 396,99 unequal: No Solution Exploring Operation: 4+99=103, Resulting Numbers: [103] 103,99 unequal: No Solution Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[4, 10], Operations: ['27/3=9', '90/9=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,99 unequal: No Solution Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,99 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[9, 94], Operations: ['27/3=9', '90+4=94'] Exploring Operation: 94-9=85, Resulting Numbers: [85] 85,99 unequal: No Solution Exploring Operation: 9+94=103, Resulting Numbers: [103] 103,99 unequal: No Solution Exploring Operation: 9*94=846, Resulting Numbers: [846] 846,99 unequal: No Solution Moving to Node #0,0,0 Current State: 99:[90, 13], Operations: ['27/3=9', '4+9=13'] Exploring Operation: 90-13=77, Resulting Numbers: [77] 77,99 unequal: No Solution Exploring Operation: 90*13=1170, Resulting Numbers: [1170] 1170,99 unequal: No Solution Exploring Operation: 90+13=103, Resulting Numbers: [103] 103,99 unequal: No Solution Moving to Node #0,0,3 Current State: 99:[90, 5], Operations: ['27/3=9', '9-4=5'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,99 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,99 unequal: No Solution Exploring Operation: 90*5=450, Resulting Numbers: [450] 450,99 unequal: No Solution Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 99:[27, 4, 30], Operations: ['90/3=30'] Exploring Operation: 27+4=31, Resulting Numbers: [30, 31] Generated Node #0,4,0: 99:[30, 31] Operation: 27+4=31 Exploring Operation: 27*4=108, Resulting Numbers: [30, 108] Generated Node #0,4,1: 99:[30, 108] Operation: 27*4=108 Exploring Operation: 27-4=23, Resulting Numbers: [30, 23] Generated Node #0,4,2: 99:[30, 23] Operation: 27-4=23 Exploring Operation: 4+30=34, Resulting Numbers: [27, 34] Generated Node #0,4,3: 99:[27, 34] Operation: 4+30=34 Exploring Operation: 30-27=3, Resulting Numbers: [4, 3] Generated Node #0,4,4: 99:[4, 3] Operation: 30-27=3 Moving to Node #0,4,4 Current State: 99:[4, 3], Operations: ['90/3=30', '30-27=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,99 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,99 unequal: No Solution Moving to Node #0,4,0 Current State: 99:[30, 31], Operations: ['90/3=30', '27+4=31'] Exploring Operation: 30+31=61, Resulting Numbers: [61] 61,99 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 30*31=930, Resulting Numbers: [930] 930,99 unequal: No Solution Moving to Node #0,4,3 Current State: 99:[27, 34], Operations: ['90/3=30', '4+30=34'] Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,99 unequal: No Solution Exploring Operation: 27*34=918, Resulting Numbers: [918] 918,99 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,99 unequal: No Solution Moving to Node #0,4,1 Current State: 99:[30, 108], Operations: ['90/3=30', '27*4=108'] Exploring Operation: 30+108=138, Resulting Numbers: [138] 138,99 unequal: No Solution Exploring Operation: 30*108=3240, Resulting Numbers: [3240] 3240,99 unequal: No Solution Exploring Operation: 108-30=78, Resulting Numbers: [78] 78,99 unequal: No Solution Moving to Node #0,4,2 Current State: 99:[30, 23], Operations: ['90/3=30', '27-4=23'] Exploring Operation: 30*23=690, Resulting Numbers: [690] 690,99 unequal: No Solution Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,99 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[3, 90, 31], Operations: ['27+4=31'] Exploring Operation: 3+31=34, Resulting Numbers: [90, 34] Generated Node #0,1,0: 99:[90, 34] Operation: 3+31=34 Exploring Operation: 90/3=30, Resulting Numbers: [31, 30] Generated Node #0,1,1: 99:[31, 30] Operation: 90/3=30 Exploring Operation: 3+90=93, Resulting Numbers: [31, 93] Generated Node #0,1,2: 99:[31, 93] Operation: 3+90=93 Exploring Operation: 90-3=87, Resulting Numbers: [31, 87] Generated Node #0,1,3: 99:[31, 87] Operation: 90-3=87 Exploring Operation: 31-3=28, Resulting Numbers: [90, 28] Generated Node #0,1,4: 99:[90, 28] Operation: 31-3=28 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 99:[31, 30], Operations: ['27+4=31', '90/3=30'] Exploring Operation: 31*30=930, Resulting Numbers: [930] 930,99 unequal: No Solution Exploring Operation: 31+30=61, Resulting Numbers: [61] 61,99 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 99:[31, 93], Operations: ['27+4=31', '3+90=93'] Exploring Operation: 93/31=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 93-31=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 31+93=124, Resulting Numbers: [124] 124,99 unequal: No Solution Exploring Operation: 31*93=2883, Resulting Numbers: [2883] 2883,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[90, 34], Operations: ['27+4=31', '3+31=34'] Exploring Operation: 90*34=3060, Resulting Numbers: [3060] 3060,99 unequal: No Solution Exploring Operation: 90-34=56, Resulting Numbers: [56] 56,99 unequal: No Solution Exploring Operation: 90+34=124, Resulting Numbers: [124] 124,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 99:[31, 87], Operations: ['27+4=31', '90-3=87'] Exploring Operation: 31+87=118, Resulting Numbers: [118] 118,99 unequal: No Solution Exploring Operation: 87-31=56, Resulting Numbers: [56] 56,99 unequal: No Solution Exploring Operation: 31*87=2697, Resulting Numbers: [2697] 2697,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 99:[90, 28], Operations: ['27+4=31', '31-3=28'] Exploring Operation: 90*28=2520, Resulting Numbers: [2520] 2520,99 unequal: No Solution Exploring Operation: 90-28=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 90+28=118, Resulting Numbers: [118] 118,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 99:[3, 27, 94], Operations: ['90+4=94'] Exploring Operation: 27/3=9, Resulting Numbers: [94, 9] Generated Node #0,3,0: 99:[94, 9] Operation: 27/3=9 Exploring Operation: 94-3=91, Resulting Numbers: [27, 91] Generated Node #0,3,1: 99:[27, 91] Operation: 94-3=91 Exploring Operation: 3+27=30, Resulting Numbers: [94, 30] Generated Node #0,3,2: 99:[94, 30] Operation: 3+27=30 Exploring Operation: 3+94=97, Resulting Numbers: [27, 97] Generated Node #0,3,3: 99:[27, 97] Operation: 3+94=97 Exploring Operation: 27-3=24, Resulting Numbers: [94, 24] Generated Node #0,3,4: 99:[94, 24] Operation: 27-3=24 Moving to Node #0,3,0 Current State: 99:[94, 9], Operations: ['90+4=94', '27/3=9'] Exploring Operation: 94*9=846, Resulting Numbers: [846] 846,99 unequal: No Solution Exploring Operation: 94-9=85, Resulting Numbers: [85] 85,99 unequal: No Solution Exploring Operation: 94+9=103, Resulting Numbers: [103] 103,99 unequal: No Solution Moving to Node #0,3,3 Current State: 99:[27, 97], Operations: ['90+4=94', '3+94=97'] Exploring Operation: 97-27=70, Resulting Numbers: [70] 70,99 unequal: No Solution Exploring Operation: 27+97=124, Resulting Numbers: [124] 124,99 unequal: No Solution Exploring Operation: 27*97=2619, Resulting Numbers: [2619] 2619,99 unequal: No Solution Moving to Node #0,3,2 Current State: 99:[94, 30], Operations: ['90+4=94', '3+27=30'] Exploring Operation: 94-30=64, Resulting Numbers: [64] 64,99 unequal: No Solution Exploring Operation: 94*30=2820, Resulting Numbers: [2820] 2820,99 unequal: No Solution Exploring Operation: 94+30=124, Resulting Numbers: [124] 124,99 unequal: No Solution Moving to Node #0,3,1 Current State: 99:[27, 91], Operations: ['90+4=94', '94-3=91'] Exploring Operation: 91-27=64, Resulting Numbers: [64] 64,99 unequal: No Solution Exploring Operation: 27+91=118, Resulting Numbers: [118] 118,99 unequal: No Solution Exploring Operation: 27*91=2457, Resulting Numbers: [2457] 2457,99 unequal: No Solution Moving to Node #0,3,4 Current State: 99:[94, 24], Operations: ['90+4=94', '27-3=24'] Exploring Operation: 94*24=2256, Resulting Numbers: [2256] 2256,99 unequal: No Solution Exploring Operation: 94-24=70, Resulting Numbers: [70] 70,99 unequal: No Solution Exploring Operation: 94+24=118, Resulting Numbers: [118] 118,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[90, 4, 30], Operations: ['3+27=30'] Exploring Operation: 90/30=3, Resulting Numbers: [4, 3] Generated Node #0,2,0: 99:[4, 3] Operation: 90/30=3 Exploring Operation: 90+4=94, Resulting Numbers: [30, 94] Generated Node #0,2,1: 99:[30, 94] Operation: 90+4=94 Exploring Operation: 90-4=86, Resulting Numbers: [30, 86] Generated Node #0,2,2: 99:[30, 86] Operation: 90-4=86 Exploring Operation: 30-4=26, Resulting Numbers: [90, 26] Generated Node #0,2,3: 99:[90, 26] Operation: 30-4=26 Exploring Operation: 4+30=34, Resulting Numbers: [90, 34] Generated Node #0,2,4: 99:[90, 34] Operation: 4+30=34 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 99:[4, 3], Operations: ['3+27=30', '90/30=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 99:[30, 94], Operations: ['3+27=30', '90+4=94'] Exploring Operation: 30*94=2820, Resulting Numbers: [2820] 2820,99 unequal: No Solution Exploring Operation: 94-30=64, Resulting Numbers: [64] 64,99 unequal: No Solution Exploring Operation: 30+94=124, Resulting Numbers: [124] 124,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 99:[90, 34], Operations: ['3+27=30', '4+30=34'] Exploring Operation: 90+34=124, Resulting Numbers: [124] 124,99 unequal: No Solution Exploring Operation: 90*34=3060, Resulting Numbers: [3060] 3060,99 unequal: No Solution Exploring Operation: 90-34=56, Resulting Numbers: [56] 56,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 99:[30, 86], Operations: ['3+27=30', '90-4=86'] Exploring Operation: 30+86=116, Resulting Numbers: [116] 116,99 unequal: No Solution Exploring Operation: 86-30=56, Resulting Numbers: [56] 56,99 unequal: No Solution Exploring Operation: 30*86=2580, Resulting Numbers: [2580] 2580,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 99:[90, 26], Operations: ['3+27=30', '30-4=26'] Exploring Operation: 90-26=64, Resulting Numbers: [64] 64,99 unequal: No Solution Exploring Operation: 90*26=2340, Resulting Numbers: [2340] 2340,99 unequal: No Solution Exploring Operation: 90+26=116, Resulting Numbers: [116] 116,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 39, 92, 10, 8 ]
22
[ "39*8=312", "312-92=220", "220/10=22" ]
Current State: 22:[39, 92, 10, 8], Operations: [] Exploring Operation: 39*8=312, Resulting Numbers: [92, 10, 312] Generated Node #2: [92, 10, 312] from Operation: 39*8=312 Current State: 22:[92, 10, 312], Operations: ['39*8=312'] Exploring Operation: 312-92=220, Resulting Numbers: [10, 220] Generated Node #3: [10, 220] from Operation: 312-92=220 Current State: 22:[10, 220], Operations: ['39*8=312', '312-92=220'] Exploring Operation: 220/10=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[39, 92, 10, 8], Operations: [] Exploring Operation: 39-8=31, Resulting Numbers: [92, 10, 31] Generated Node #0,0: 22:[92, 10, 31] Operation: 39-8=31 Exploring Operation: 92-39=53, Resulting Numbers: [10, 8, 53] Generated Node #0,1: 22:[10, 8, 53] Operation: 92-39=53 Exploring Operation: 39-10=29, Resulting Numbers: [92, 8, 29] Generated Node #0,2: 22:[92, 8, 29] Operation: 39-10=29 Exploring Operation: 92-10=82, Resulting Numbers: [39, 8, 82] Generated Node #0,3: 22:[39, 8, 82] Operation: 92-10=82 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[10, 8, 53], Operations: ['92-39=53'] Exploring Operation: 10-8=2, Resulting Numbers: [53, 2] Generated Node #0,1,0: 22:[53, 2] Operation: 10-8=2 Exploring Operation: 53-10=43, Resulting Numbers: [8, 43] Generated Node #0,1,1: 22:[8, 43] Operation: 53-10=43 Exploring Operation: 10+8=18, Resulting Numbers: [53, 18] Generated Node #0,1,2: 22:[53, 18] Operation: 10+8=18 Exploring Operation: 53-8=45, Resulting Numbers: [10, 45] Generated Node #0,1,3: 22:[10, 45] Operation: 53-8=45 Moving to Node #0,1,1 Current State: 22:[8, 43], Operations: ['92-39=53', '53-10=43'] Exploring Operation: 8+43=51, Resulting Numbers: [51] 51,22 unequal: No Solution Exploring Operation: 8*43=344, Resulting Numbers: [344] 344,22 unequal: No Solution Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,22 unequal: No Solution Moving to Node #0,1,3 Current State: 22:[10, 45], Operations: ['92-39=53', '53-8=45'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[53, 2], Operations: ['92-39=53', '10-8=2'] Exploring Operation: 53*2=106, Resulting Numbers: [106] 106,22 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,22 unequal: No Solution Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[53, 18], Operations: ['92-39=53', '10+8=18'] Exploring Operation: 53-18=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 53*18=954, Resulting Numbers: [954] 954,22 unequal: No Solution Exploring Operation: 53+18=71, Resulting Numbers: [71] 71,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[92, 10, 31], Operations: ['39-8=31'] Exploring Operation: 92+10=102, Resulting Numbers: [31, 102] Generated Node #0,0,0: 22:[31, 102] Operation: 92+10=102 Exploring Operation: 31-10=21, Resulting Numbers: [92, 21] Generated Node #0,0,1: 22:[92, 21] Operation: 31-10=21 Exploring Operation: 92-10=82, Resulting Numbers: [31, 82] Generated Node #0,0,2: 22:[31, 82] Operation: 92-10=82 Exploring Operation: 92-31=61, Resulting Numbers: [10, 61] Generated Node #0,0,3: 22:[10, 61] Operation: 92-31=61 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 22:[10, 61], Operations: ['39-8=31', '92-31=61'] Exploring Operation: 61-10=51, Resulting Numbers: [51] 51,22 unequal: No Solution Exploring Operation: 10+61=71, Resulting Numbers: [71] 71,22 unequal: No Solution Exploring Operation: 10*61=610, Resulting Numbers: [610] 610,22 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 #0,0,2 Current State: 22:[31, 82], Operations: ['39-8=31', '92-10=82'] Exploring Operation: 31*82=2542, Resulting Numbers: [2542] 2542,22 unequal: No Solution Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,22 unequal: No Solution Exploring Operation: 31+82=113, Resulting Numbers: [113] 113,22 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 #0,0,1 Current State: 22:[92, 21], Operations: ['39-8=31', '31-10=21'] Exploring Operation: 92-21=71, Resulting Numbers: [71] 71,22 unequal: No Solution Exploring Operation: 92+21=113, Resulting Numbers: [113] 113,22 unequal: No Solution Exploring Operation: 92*21=1932, Resulting Numbers: [1932] 1932,22 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 #0,0,0 Current State: 22:[31, 102], Operations: ['39-8=31', '92+10=102'] Exploring Operation: 102-31=71, Resulting Numbers: [71] 71,22 unequal: No Solution Exploring Operation: 31*102=3162, Resulting Numbers: [3162] 3162,22 unequal: No Solution Exploring Operation: 31+102=133, Resulting Numbers: [133] 133,22 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 #0,2 Current State: 22:[92, 8, 29], Operations: ['39-10=29'] Exploring Operation: 92-8=84, Resulting Numbers: [29, 84] Generated Node #0,2,0: 22:[29, 84] Operation: 92-8=84 Exploring Operation: 29-8=21, Resulting Numbers: [92, 21] Generated Node #0,2,1: 22:[92, 21] Operation: 29-8=21 Exploring Operation: 92+8=100, Resulting Numbers: [29, 100] Generated Node #0,2,2: 22:[29, 100] Operation: 92+8=100 Exploring Operation: 92-29=63, Resulting Numbers: [8, 63] Generated Node #0,2,3: 22:[8, 63] Operation: 92-29=63 Moving to Node #0,2,3 Current State: 22:[8, 63], Operations: ['39-10=29', '92-29=63'] Exploring Operation: 8+63=71, Resulting Numbers: [71] 71,22 unequal: No Solution Exploring Operation: 8*63=504, Resulting Numbers: [504] 504,22 unequal: No Solution Exploring Operation: 63-8=55, Resulting Numbers: [55] 55,22 unequal: No Solution Moving to Node #0,2,0 Current State: 22:[29, 84], Operations: ['39-10=29', '92-8=84'] Exploring Operation: 29*84=2436, Resulting Numbers: [2436] 2436,22 unequal: No Solution Exploring Operation: 29+84=113, Resulting Numbers: [113] 113,22 unequal: No Solution Exploring Operation: 84-29=55, Resulting Numbers: [55] 55,22 unequal: No Solution Moving to Node #0,2,1 Current State: 22:[92, 21], Operations: ['39-10=29', '29-8=21'] Exploring Operation: 92*21=1932, Resulting Numbers: [1932] 1932,22 unequal: No Solution Exploring Operation: 92+21=113, Resulting Numbers: [113] 113,22 unequal: No Solution Exploring Operation: 92-21=71, Resulting Numbers: [71] 71,22 unequal: No Solution Moving to Node #0,2,2 Current State: 22:[29, 100], Operations: ['39-10=29', '92+8=100'] Exploring Operation: 29*100=2900, Resulting Numbers: [2900] 2900,22 unequal: No Solution Exploring Operation: 29+100=129, Resulting Numbers: [129] 129,22 unequal: No Solution Exploring Operation: 100-29=71, Resulting Numbers: [71] 71,22 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 Current State: 22:[39, 8, 82], Operations: ['92-10=82'] Exploring Operation: 39-8=31, Resulting Numbers: [82, 31] Generated Node #0,3,0: 22:[82, 31] Operation: 39-8=31 Exploring Operation: 82-39=43, Resulting Numbers: [8, 43] Generated Node #0,3,1: 22:[8, 43] Operation: 82-39=43 Exploring Operation: 82-8=74, Resulting Numbers: [39, 74] Generated Node #0,3,2: 22:[39, 74] Operation: 82-8=74 Exploring Operation: 39+8=47, Resulting Numbers: [82, 47] Generated Node #0,3,3: 22:[82, 47] Operation: 39+8=47 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 22:[8, 43], Operations: ['92-10=82', '82-39=43'] Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 8+43=51, Resulting Numbers: [51] 51,22 unequal: No Solution Exploring Operation: 8*43=344, Resulting Numbers: [344] 344,22 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 #0,3,0 Current State: 22:[82, 31], Operations: ['92-10=82', '39-8=31'] Exploring Operation: 82+31=113, Resulting Numbers: [113] 113,22 unequal: No Solution Exploring Operation: 82*31=2542, Resulting Numbers: [2542] 2542,22 unequal: No Solution Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,22 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 #0,3,2 Current State: 22:[39, 74], Operations: ['92-10=82', '82-8=74'] Exploring Operation: 74-39=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 39*74=2886, Resulting Numbers: [2886] 2886,22 unequal: No Solution Exploring Operation: 39+74=113, Resulting Numbers: [113] 113,22 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 #0,3,3 Current State: 22:[82, 47], Operations: ['92-10=82', '39+8=47'] Exploring Operation: 82+47=129, Resulting Numbers: [129] 129,22 unequal: No Solution Exploring Operation: 82*47=3854, Resulting Numbers: [3854] 3854,22 unequal: No Solution Exploring Operation: 82-47=35, Resulting Numbers: [35] 35,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 34, 10, 58, 11 ]
71
[ "34-10=24", "58-11=47", "24+47=71" ]
Current State: 71:[34, 10, 58, 11], Operations: [] Exploring Operation: 34-10=24, Resulting Numbers: [58, 11, 24] Generated Node #2: [58, 11, 24] from Operation: 34-10=24 Current State: 71:[58, 11, 24], Operations: ['34-10=24'] Exploring Operation: 58-11=47, Resulting Numbers: [24, 47] Generated Node #3: [24, 47] from Operation: 58-11=47 Current State: 71:[24, 47], Operations: ['34-10=24', '58-11=47'] Exploring Operation: 24+47=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[34, 10, 58, 11], Operations: [] Exploring Operation: 10*11=110, Resulting Numbers: [34, 58, 110] Generated Node #0,0: 71:[34, 58, 110] Operation: 10*11=110 Exploring Operation: 34+11=45, Resulting Numbers: [10, 58, 45] Generated Node #0,1: 71:[10, 58, 45] Operation: 34+11=45 Exploring Operation: 34+10=44, Resulting Numbers: [58, 11, 44] Generated Node #0,2: 71:[58, 11, 44] Operation: 34+10=44 Exploring Operation: 10+58=68, Resulting Numbers: [34, 11, 68] Generated Node #0,3: 71:[34, 11, 68] Operation: 10+58=68 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[34, 58, 110], Operations: ['10*11=110'] Exploring Operation: 110-58=52, Resulting Numbers: [34, 52] Generated Node #0,0,0: 71:[34, 52] Operation: 110-58=52 Exploring Operation: 110-34=76, Resulting Numbers: [58, 76] Generated Node #0,0,1: 71:[58, 76] Operation: 110-34=76 Exploring Operation: 34+58=92, Resulting Numbers: [110, 92] Generated Node #0,0,2: 71:[110, 92] Operation: 34+58=92 Exploring Operation: 58-34=24, Resulting Numbers: [110, 24] Generated Node #0,0,3: 71:[110, 24] Operation: 58-34=24 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[58, 76], Operations: ['10*11=110', '110-34=76'] Exploring Operation: 58+76=134, Resulting Numbers: [134] 134,71 unequal: No Solution Exploring Operation: 58*76=4408, Resulting Numbers: [4408] 4408,71 unequal: No Solution Exploring Operation: 76-58=18, Resulting Numbers: [18] 18,71 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 #0,0,0 Current State: 71:[34, 52], Operations: ['10*11=110', '110-58=52'] Exploring Operation: 34+52=86, Resulting Numbers: [86] 86,71 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,71 unequal: No Solution Exploring Operation: 34*52=1768, Resulting Numbers: [1768] 1768,71 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 #0,0,2 Current State: 71:[110, 92], Operations: ['10*11=110', '34+58=92'] Exploring Operation: 110+92=202, Resulting Numbers: [202] 202,71 unequal: No Solution Exploring Operation: 110*92=10120, Resulting Numbers: [10120] 10120,71 unequal: No Solution Exploring Operation: 110-92=18, Resulting Numbers: [18] 18,71 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 #0,0,3 Current State: 71:[110, 24], Operations: ['10*11=110', '58-34=24'] Exploring Operation: 110+24=134, Resulting Numbers: [134] 134,71 unequal: No Solution Exploring Operation: 110*24=2640, Resulting Numbers: [2640] 2640,71 unequal: No Solution Exploring Operation: 110-24=86, Resulting Numbers: [86] 86,71 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 #0,1 Current State: 71:[10, 58, 45], Operations: ['34+11=45'] Exploring Operation: 10+45=55, Resulting Numbers: [58, 55] Generated Node #0,1,0: 71:[58, 55] Operation: 10+45=55 Exploring Operation: 58-10=48, Resulting Numbers: [45, 48] Generated Node #0,1,1: 71:[45, 48] Operation: 58-10=48 Exploring Operation: 10+58=68, Resulting Numbers: [45, 68] Generated Node #0,1,2: 71:[45, 68] Operation: 10+58=68 Exploring Operation: 45-10=35, Resulting Numbers: [58, 35] Generated Node #0,1,3: 71:[58, 35] Operation: 45-10=35 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[58, 55], Operations: ['34+11=45', '10+45=55'] Exploring Operation: 58+55=113, Resulting Numbers: [113] 113,71 unequal: No Solution Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,71 unequal: No Solution Exploring Operation: 58*55=3190, Resulting Numbers: [3190] 3190,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 71:[45, 68], Operations: ['34+11=45', '10+58=68'] Exploring Operation: 45+68=113, Resulting Numbers: [113] 113,71 unequal: No Solution Exploring Operation: 45*68=3060, Resulting Numbers: [3060] 3060,71 unequal: No Solution Exploring Operation: 68-45=23, Resulting Numbers: [23] 23,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[45, 48], Operations: ['34+11=45', '58-10=48'] Exploring Operation: 45*48=2160, Resulting Numbers: [2160] 2160,71 unequal: No Solution Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,71 unequal: No Solution Exploring Operation: 45+48=93, Resulting Numbers: [93] 93,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 71:[58, 35], Operations: ['34+11=45', '45-10=35'] Exploring Operation: 58+35=93, Resulting Numbers: [93] 93,71 unequal: No Solution Exploring Operation: 58*35=2030, Resulting Numbers: [2030] 2030,71 unequal: No Solution Exploring Operation: 58-35=23, Resulting Numbers: [23] 23,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[58, 11, 44], Operations: ['34+10=44'] Exploring Operation: 58-11=47, Resulting Numbers: [44, 47] Generated Node #0,2,0: 71:[44, 47] Operation: 58-11=47 Exploring Operation: 11+44=55, Resulting Numbers: [58, 55] Generated Node #0,2,1: 71:[58, 55] Operation: 11+44=55 Exploring Operation: 44-11=33, Resulting Numbers: [58, 33] Generated Node #0,2,2: 71:[58, 33] Operation: 44-11=33 Exploring Operation: 58+11=69, Resulting Numbers: [44, 69] Generated Node #0,2,3: 71:[44, 69] Operation: 58+11=69 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[58, 55], Operations: ['34+10=44', '11+44=55'] Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,71 unequal: No Solution Exploring Operation: 58*55=3190, Resulting Numbers: [3190] 3190,71 unequal: No Solution Exploring Operation: 58+55=113, Resulting Numbers: [113] 113,71 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:[44, 69], Operations: ['34+10=44', '58+11=69'] Exploring Operation: 69-44=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 44*69=3036, Resulting Numbers: [3036] 3036,71 unequal: No Solution Exploring Operation: 44+69=113, Resulting Numbers: [113] 113,71 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:[44, 47], Operations: ['34+10=44', '58-11=47'] Exploring Operation: 44+47=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 44*47=2068, Resulting Numbers: [2068] 2068,71 unequal: No Solution Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,71 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 #0,2,2 Current State: 71:[58, 33], Operations: ['34+10=44', '44-11=33'] Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 58+33=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 58*33=1914, Resulting Numbers: [1914] 1914,71 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:[34, 11, 68], Operations: ['10+58=68'] Exploring Operation: 34+11=45, Resulting Numbers: [68, 45] Generated Node #0,3,0: 71:[68, 45] Operation: 34+11=45 Exploring Operation: 11+68=79, Resulting Numbers: [34, 79] Generated Node #0,3,1: 71:[34, 79] Operation: 11+68=79 Exploring Operation: 34-11=23, Resulting Numbers: [68, 23] Generated Node #0,3,2: 71:[68, 23] Operation: 34-11=23 Exploring Operation: 68-11=57, Resulting Numbers: [34, 57] Generated Node #0,3,3: 71:[34, 57] Operation: 68-11=57 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 71:[68, 45], Operations: ['10+58=68', '34+11=45'] Exploring Operation: 68+45=113, Resulting Numbers: [113] 113,71 unequal: No Solution Exploring Operation: 68*45=3060, Resulting Numbers: [3060] 3060,71 unequal: No Solution Exploring Operation: 68-45=23, Resulting Numbers: [23] 23,71 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:[34, 79], Operations: ['10+58=68', '11+68=79'] Exploring Operation: 34*79=2686, Resulting Numbers: [2686] 2686,71 unequal: No Solution Exploring Operation: 34+79=113, Resulting Numbers: [113] 113,71 unequal: No Solution Exploring Operation: 79-34=45, Resulting Numbers: [45] 45,71 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:[68, 23], Operations: ['10+58=68', '34-11=23'] Exploring Operation: 68-23=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 68+23=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 68*23=1564, Resulting Numbers: [1564] 1564,71 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:[34, 57], Operations: ['10+58=68', '68-11=57'] Exploring Operation: 34*57=1938, Resulting Numbers: [1938] 1938,71 unequal: No Solution Exploring Operation: 57-34=23, Resulting Numbers: [23] 23,71 unequal: No Solution Exploring Operation: 34+57=91, Resulting Numbers: [91] 91,71 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 No solution found.
0
hs_4
sum_heuristic
[ 82, 29, 53, 75 ]
74
[ "82-29=53", "53/53=1", "75-1=74" ]
Current State: 74:[82, 29, 53, 75], Operations: [] Exploring Operation: 82-29=53, Resulting Numbers: [53, 75, 53] Generated Node #2: [53, 75, 53] from Operation: 82-29=53 Current State: 74:[53, 75, 53], Operations: ['82-29=53'] Exploring Operation: 53/53=1, Resulting Numbers: [75, 1] Generated Node #3: [75, 1] from Operation: 53/53=1 Current State: 74:[75, 1], Operations: ['82-29=53', '53/53=1'] Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[82, 29, 53, 75], Operations: [] Exploring Operation: 82-53=29, Resulting Numbers: [29, 75, 29] Generated Node #0,0: 74:[29, 75, 29] Operation: 82-53=29 Moving to Node #0,0 Current State: 74:[29, 75, 29], Operations: ['82-53=29'] Exploring Operation: 29/29=1, Resulting Numbers: [75, 1] Generated Node #0,0,0: 74:[75, 1] Operation: 29/29=1 Moving to Node #0,0,0 Current State: 74:[75, 1], Operations: ['82-53=29', '29/29=1'] Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[82, 29, 53, 75], Operations: [] Exploring Operation: 82-53=29, Resulting Numbers: [29, 75, 29] Generated Node #0,0: 74:[29, 75, 29] Operation: 82-53=29 Moving to Node #0,0 Current State: 74:[29, 75, 29], Operations: ['82-53=29'] Exploring Operation: 29/29=1, Resulting Numbers: [75, 1] Generated Node #0,0,0: 74:[75, 1] Operation: 29/29=1 Moving to Node #0,0,0 Current State: 74:[75, 1], Operations: ['82-53=29', '29/29=1'] Exploring Operation: 75-1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 30, 79, 15, 32 ]
47
[ "32-30=2", "79+15=94", "94/2=47" ]
Current State: 47:[30, 79, 15, 32], Operations: [] Exploring Operation: 32-30=2, Resulting Numbers: [79, 15, 2] Generated Node #2: [79, 15, 2] from Operation: 32-30=2 Current State: 47:[79, 15, 2], Operations: ['32-30=2'] Exploring Operation: 79+15=94, Resulting Numbers: [2, 94] Generated Node #3: [2, 94] from Operation: 79+15=94 Current State: 47:[2, 94], Operations: ['32-30=2', '79+15=94'] Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[30, 79, 15, 32], Operations: [] Exploring Operation: 79-32=47, Resulting Numbers: [30, 15, 47] Generated Node #0,0: 47:[30, 15, 47] Operation: 79-32=47 Exploring Operation: 30+15=45, Resulting Numbers: [79, 32, 45] Generated Node #0,1: 47:[79, 32, 45] Operation: 30+15=45 Exploring Operation: 79-30=49, Resulting Numbers: [15, 32, 49] Generated Node #0,2: 47:[15, 32, 49] Operation: 79-30=49 Exploring Operation: 79-15=64, Resulting Numbers: [30, 32, 64] Generated Node #0,3: 47:[30, 32, 64] Operation: 79-15=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[30, 15, 47], Operations: ['79-32=47'] Exploring Operation: 15+47=62, Resulting Numbers: [30, 62] Generated Node #0,0,0: 47:[30, 62] Operation: 15+47=62 Exploring Operation: 47-15=32, Resulting Numbers: [30, 32] Generated Node #0,0,1: 47:[30, 32] Operation: 47-15=32 Exploring Operation: 30+15=45, Resulting Numbers: [47, 45] Generated Node #0,0,2: 47:[47, 45] Operation: 30+15=45 Exploring Operation: 30-15=15, Resulting Numbers: [47, 15] Generated Node #0,0,3: 47:[47, 15] Operation: 30-15=15 Moving to Node #0,0,2 Current State: 47:[47, 45], Operations: ['79-32=47', '30+15=45'] Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,47 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 47*45=2115, Resulting Numbers: [2115] 2115,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[30, 32], Operations: ['79-32=47', '47-15=32'] Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 30+32=62, Resulting Numbers: [62] 62,47 unequal: No Solution Exploring Operation: 30*32=960, Resulting Numbers: [960] 960,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[30, 62], Operations: ['79-32=47', '15+47=62'] Exploring Operation: 30+62=92, Resulting Numbers: [92] 92,47 unequal: No Solution Exploring Operation: 30*62=1860, Resulting Numbers: [1860] 1860,47 unequal: No Solution Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,47 unequal: No Solution Moving to Node #0,0,3 Current State: 47:[47, 15], Operations: ['79-32=47', '30-15=15'] Exploring Operation: 47-15=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 47+15=62, Resulting Numbers: [62] 62,47 unequal: No Solution Exploring Operation: 47*15=705, Resulting Numbers: [705] 705,47 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:[79, 32, 45], Operations: ['30+15=45'] Exploring Operation: 79-32=47, Resulting Numbers: [45, 47] Generated Node #0,1,0: 47:[45, 47] Operation: 79-32=47 Exploring Operation: 79-45=34, Resulting Numbers: [32, 34] Generated Node #0,1,1: 47:[32, 34] Operation: 79-45=34 Exploring Operation: 79+32=111, Resulting Numbers: [45, 111] Generated Node #0,1,2: 47:[45, 111] Operation: 79+32=111 Exploring Operation: 32+45=77, Resulting Numbers: [79, 77] Generated Node #0,1,3: 47:[79, 77] Operation: 32+45=77 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[45, 47], Operations: ['30+15=45', '79-32=47'] Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,47 unequal: No Solution Exploring Operation: 45*47=2115, Resulting Numbers: [2115] 2115,47 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,47 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 #0,1,1 Current State: 47:[32, 34], Operations: ['30+15=45', '79-45=34'] Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,47 unequal: No Solution Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,47 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 #0,1,3 Current State: 47:[79, 77], Operations: ['30+15=45', '32+45=77'] Exploring Operation: 79+77=156, Resulting Numbers: [156] 156,47 unequal: No Solution Exploring Operation: 79*77=6083, Resulting Numbers: [6083] 6083,47 unequal: No Solution Exploring Operation: 79-77=2, Resulting Numbers: [2] 2,47 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 #0,1,2 Current State: 47:[45, 111], Operations: ['30+15=45', '79+32=111'] Exploring Operation: 45*111=4995, Resulting Numbers: [4995] 4995,47 unequal: No Solution Exploring Operation: 111-45=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 45+111=156, Resulting Numbers: [156] 156,47 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[15, 32, 49], Operations: ['79-30=49'] Exploring Operation: 32-15=17, Resulting Numbers: [49, 17] Generated Node #0,2,0: 47:[49, 17] Operation: 32-15=17 Exploring Operation: 15+49=64, Resulting Numbers: [32, 64] Generated Node #0,2,1: 47:[32, 64] Operation: 15+49=64 Exploring Operation: 15+32=47, Resulting Numbers: [49, 47] Generated Node #0,2,2: 47:[49, 47] Operation: 15+32=47 Exploring Operation: 49-15=34, Resulting Numbers: [32, 34] Generated Node #0,2,3: 47:[32, 34] Operation: 49-15=34 Moving to Node #0,2,2 Current State: 47:[49, 47], Operations: ['79-30=49', '15+32=47'] Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 49*47=2303, Resulting Numbers: [2303] 2303,47 unequal: No Solution Exploring Operation: 49+47=96, Resulting Numbers: [96] 96,47 unequal: No Solution Moving to Node #0,2,3 Current State: 47:[32, 34], Operations: ['79-30=49', '49-15=34'] Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,47 unequal: No Solution Moving to Node #0,2,1 Current State: 47:[32, 64], Operations: ['79-30=49', '15+49=64'] Exploring Operation: 32*64=2048, Resulting Numbers: [2048] 2048,47 unequal: No Solution Exploring Operation: 64-32=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 64/32=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 32+64=96, Resulting Numbers: [96] 96,47 unequal: No Solution Moving to Node #0,2,0 Current State: 47:[49, 17], Operations: ['79-30=49', '32-15=17'] Exploring Operation: 49*17=833, Resulting Numbers: [833] 833,47 unequal: No Solution Exploring Operation: 49+17=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 47:[30, 32, 64], Operations: ['79-15=64'] Exploring Operation: 64-32=32, Resulting Numbers: [30, 32] Generated Node #0,3,0: 47:[30, 32] Operation: 64-32=32 Exploring Operation: 64-30=34, Resulting Numbers: [32, 34] Generated Node #0,3,1: 47:[32, 34] Operation: 64-30=34 Exploring Operation: 30+32=62, Resulting Numbers: [64, 62] Generated Node #0,3,2: 47:[64, 62] Operation: 30+32=62 Exploring Operation: 32-30=2, Resulting Numbers: [64, 2] Generated Node #0,3,3: 47:[64, 2] Operation: 32-30=2 Moving to Node #0,3,1 Current State: 47:[32, 34], Operations: ['79-15=64', '64-30=34'] Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,47 unequal: No Solution Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,47 unequal: No Solution Moving to Node #0,3,2 Current State: 47:[64, 62], Operations: ['79-15=64', '30+32=62'] Exploring Operation: 64-62=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 64*62=3968, Resulting Numbers: [3968] 3968,47 unequal: No Solution Exploring Operation: 64+62=126, Resulting Numbers: [126] 126,47 unequal: No Solution Moving to Node #0,3,0 Current State: 47:[30, 32], Operations: ['79-15=64', '64-32=32'] Exploring Operation: 30*32=960, Resulting Numbers: [960] 960,47 unequal: No Solution Exploring Operation: 30+32=62, Resulting Numbers: [62] 62,47 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[64, 2], Operations: ['79-15=64', '32-30=2'] Exploring Operation: 64*2=128, Resulting Numbers: [128] 128,47 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,47 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
[ 99, 10, 69, 2 ]
80
[ "99+10=109", "109-69=40", "2*40=80" ]
Current State: 80:[99, 10, 69, 2], Operations: [] Exploring Operation: 99+10=109, Resulting Numbers: [69, 2, 109] Generated Node #2: [69, 2, 109] from Operation: 99+10=109 Current State: 80:[69, 2, 109], Operations: ['99+10=109'] Exploring Operation: 109-69=40, Resulting Numbers: [2, 40] Generated Node #3: [2, 40] from Operation: 109-69=40 Current State: 80:[2, 40], Operations: ['99+10=109', '109-69=40'] Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[99, 10, 69, 2], Operations: [] Exploring Operation: 99-69=30, Resulting Numbers: [10, 2, 30] Generated Node #0,0: 80:[10, 2, 30] Operation: 99-69=30 Exploring Operation: 99-10=89, Resulting Numbers: [69, 2, 89] Generated Node #0,1: 80:[69, 2, 89] Operation: 99-10=89 Moving to Node #0,0 Current State: 80:[10, 2, 30], Operations: ['99-69=30'] Exploring Operation: 30-10=20, Resulting Numbers: [2, 20] Generated Node #0,0,0: 80:[2, 20] Operation: 30-10=20 Exploring Operation: 10+30=40, Resulting Numbers: [2, 40] Generated Node #0,0,1: 80:[2, 40] Operation: 10+30=40 Moving to Node #0,1 Current State: 80:[69, 2, 89], Operations: ['99-10=89'] Exploring Operation: 69+2=71, Resulting Numbers: [89, 71] Generated Node #0,1,0: 80:[89, 71] Operation: 69+2=71 Exploring Operation: 89-69=20, Resulting Numbers: [2, 20] Generated Node #0,1,1: 80:[2, 20] Operation: 89-69=20 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 80:[2, 20], Operations: ['99-10=89', '89-69=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,80 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:[89, 71], Operations: ['99-10=89', '69+2=71'] Exploring Operation: 89+71=160, Resulting Numbers: [160] 160,80 unequal: No Solution Exploring Operation: 89-71=18, Resulting Numbers: [18] 18,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 80:[2, 20], Operations: ['99-69=30', '30-10=20'] Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,80 unequal: No Solution Moving to Node #0,0,1 Current State: 80:[2, 40], Operations: ['99-69=30', '10+30=40'] Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[99, 10, 69, 2], Operations: [] Exploring Operation: 99-69=30, Resulting Numbers: [10, 2, 30] Generated Node #0,0: 80:[10, 2, 30] Operation: 99-69=30 Moving to Node #0,0 Current State: 80:[10, 2, 30], Operations: ['99-69=30'] Exploring Operation: 10+30=40, Resulting Numbers: [2, 40] Generated Node #0,0,1: 80:[2, 40] Operation: 10+30=40 Moving to Node #0,0,1 Current State: 80:[2, 40], Operations: ['99-69=30', '10+30=40'] Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 16, 85, 94, 17 ]
14
[ "16*85=1360", "1360/17=80", "94-80=14" ]
Current State: 14:[16, 85, 94, 17], Operations: [] Exploring Operation: 16*85=1360, Resulting Numbers: [94, 17, 1360] Generated Node #2: [94, 17, 1360] from Operation: 16*85=1360 Current State: 14:[94, 17, 1360], Operations: ['16*85=1360'] Exploring Operation: 1360/17=80, Resulting Numbers: [94, 80] Generated Node #3: [94, 80] from Operation: 1360/17=80 Current State: 14:[94, 80], Operations: ['16*85=1360', '1360/17=80'] Exploring Operation: 94-80=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[16, 85, 94, 17], Operations: [] Exploring Operation: 85-16=69, Resulting Numbers: [94, 17, 69] Generated Node #0,0: 14:[94, 17, 69] Operation: 85-16=69 Exploring Operation: 85/17=5, Resulting Numbers: [16, 94, 5] Generated Node #0,1: 14:[16, 94, 5] Operation: 85/17=5 Exploring Operation: 85-17=68, Resulting Numbers: [16, 94, 68] Generated Node #0,2: 14:[16, 94, 68] Operation: 85-17=68 Exploring Operation: 94-85=9, Resulting Numbers: [16, 17, 9] Generated Node #0,3: 14:[16, 17, 9] Operation: 94-85=9 Exploring Operation: 94-17=77, Resulting Numbers: [16, 85, 77] Generated Node #0,4: 14:[16, 85, 77] Operation: 94-17=77 Moving to Node #0,3 Current State: 14:[16, 17, 9], Operations: ['94-85=9'] Exploring Operation: 17-9=8, Resulting Numbers: [16, 8] Generated Node #0,3,0: 14:[16, 8] Operation: 17-9=8 Exploring Operation: 17-16=1, Resulting Numbers: [9, 1] Generated Node #0,3,1: 14:[9, 1] Operation: 17-16=1 Exploring Operation: 16+9=25, Resulting Numbers: [17, 25] Generated Node #0,3,2: 14:[17, 25] Operation: 16+9=25 Exploring Operation: 16-9=7, Resulting Numbers: [17, 7] Generated Node #0,3,3: 14:[17, 7] Operation: 16-9=7 Exploring Operation: 17+9=26, Resulting Numbers: [16, 26] Generated Node #0,3,4: 14:[16, 26] Operation: 17+9=26 Moving to Node #0,1 Current State: 14:[16, 94, 5], Operations: ['85/17=5'] Exploring Operation: 94-16=78, Resulting Numbers: [5, 78] Generated Node #0,1,0: 14:[5, 78] Operation: 94-16=78 Exploring Operation: 16+5=21, Resulting Numbers: [94, 21] Generated Node #0,1,1: 14:[94, 21] Operation: 16+5=21 Exploring Operation: 94-5=89, Resulting Numbers: [16, 89] Generated Node #0,1,2: 14:[16, 89] Operation: 94-5=89 Exploring Operation: 94+5=99, Resulting Numbers: [16, 99] Generated Node #0,1,3: 14:[16, 99] Operation: 94+5=99 Exploring Operation: 16-5=11, Resulting Numbers: [94, 11] Generated Node #0,1,4: 14:[94, 11] Operation: 16-5=11 Moving to Node #0,2 Current State: 14:[16, 94, 68], Operations: ['85-17=68'] Exploring Operation: 16+94=110, Resulting Numbers: [68, 110] Generated Node #0,2,0: 14:[68, 110] Operation: 16+94=110 Exploring Operation: 94-16=78, Resulting Numbers: [68, 78] Generated Node #0,2,1: 14:[68, 78] Operation: 94-16=78 Exploring Operation: 94-68=26, Resulting Numbers: [16, 26] Generated Node #0,2,2: 14:[16, 26] Operation: 94-68=26 Exploring Operation: 68-16=52, Resulting Numbers: [94, 52] Generated Node #0,2,3: 14:[94, 52] Operation: 68-16=52 Exploring Operation: 16+68=84, Resulting Numbers: [94, 84] Generated Node #0,2,4: 14:[94, 84] Operation: 16+68=84 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 14:[16, 26], Operations: ['85-17=68', '94-68=26'] Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,14 unequal: No Solution Exploring Operation: 16*26=416, Resulting Numbers: [416] 416,14 unequal: No Solution Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,14 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 #0,2,1 Current State: 14:[68, 78], Operations: ['85-17=68', '94-16=78'] Exploring Operation: 68*78=5304, Resulting Numbers: [5304] 5304,14 unequal: No Solution Exploring Operation: 78-68=10, Resulting Numbers: [10] 10,14 unequal: No Solution Exploring Operation: 68+78=146, Resulting Numbers: [146] 146,14 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 #0,2,3 Current State: 14:[94, 52], Operations: ['85-17=68', '68-16=52'] Exploring Operation: 94+52=146, Resulting Numbers: [146] 146,14 unequal: No Solution Exploring Operation: 94-52=42, Resulting Numbers: [42] 42,14 unequal: No Solution Exploring Operation: 94*52=4888, Resulting Numbers: [4888] 4888,14 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 #0,2,0 Current State: 14:[68, 110], Operations: ['85-17=68', '16+94=110'] Exploring Operation: 68*110=7480, Resulting Numbers: [7480] 7480,14 unequal: No Solution Exploring Operation: 68+110=178, Resulting Numbers: [178] 178,14 unequal: No Solution Exploring Operation: 110-68=42, Resulting Numbers: [42] 42,14 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 #0,2,4 Current State: 14:[94, 84], Operations: ['85-17=68', '16+68=84'] Exploring Operation: 94*84=7896, Resulting Numbers: [7896] 7896,14 unequal: No Solution Exploring Operation: 94+84=178, Resulting Numbers: [178] 178,14 unequal: No Solution Exploring Operation: 94-84=10, Resulting Numbers: [10] 10,14 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: 14:[16, 85, 77], Operations: ['94-17=77'] Exploring Operation: 16+85=101, Resulting Numbers: [77, 101] Generated Node #0,4,0: 14:[77, 101] Operation: 16+85=101 Exploring Operation: 16+77=93, Resulting Numbers: [85, 93] Generated Node #0,4,1: 14:[85, 93] Operation: 16+77=93 Exploring Operation: 85-16=69, Resulting Numbers: [77, 69] Generated Node #0,4,2: 14:[77, 69] Operation: 85-16=69 Exploring Operation: 77-16=61, Resulting Numbers: [85, 61] Generated Node #0,4,3: 14:[85, 61] Operation: 77-16=61 Exploring Operation: 85-77=8, Resulting Numbers: [16, 8] Generated Node #0,4,4: 14:[16, 8] Operation: 85-77=8 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 14:[16, 8], Operations: ['94-17=77', '85-77=8'] Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,14 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,14 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 #0,4,2 Current State: 14:[77, 69], Operations: ['94-17=77', '85-16=69'] Exploring Operation: 77*69=5313, Resulting Numbers: [5313] 5313,14 unequal: No Solution Exploring Operation: 77-69=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 77+69=146, Resulting Numbers: [146] 146,14 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 #0,4,3 Current State: 14:[85, 61], Operations: ['94-17=77', '77-16=61'] Exploring Operation: 85+61=146, Resulting Numbers: [146] 146,14 unequal: No Solution Exploring Operation: 85*61=5185, Resulting Numbers: [5185] 5185,14 unequal: No Solution Exploring Operation: 85-61=24, Resulting Numbers: [24] 24,14 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 #0,4,0 Current State: 14:[77, 101], Operations: ['94-17=77', '16+85=101'] Exploring Operation: 101-77=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 77+101=178, Resulting Numbers: [178] 178,14 unequal: No Solution Exploring Operation: 77*101=7777, Resulting Numbers: [7777] 7777,14 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 #0,4,1 Current State: 14:[85, 93], Operations: ['94-17=77', '16+77=93'] Exploring Operation: 93-85=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 85+93=178, Resulting Numbers: [178] 178,14 unequal: No Solution Exploring Operation: 85*93=7905, Resulting Numbers: [7905] 7905,14 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: 14:[94, 17, 69], Operations: ['85-16=69'] Exploring Operation: 94-69=25, Resulting Numbers: [17, 25] Generated Node #0,0,0: 14:[17, 25] Operation: 94-69=25 Exploring Operation: 94+69=163, Resulting Numbers: [17, 163] Generated Node #0,0,1: 14:[17, 163] Operation: 94+69=163 Exploring Operation: 69-17=52, Resulting Numbers: [94, 52] Generated Node #0,0,2: 14:[94, 52] Operation: 69-17=52 Exploring Operation: 94-17=77, Resulting Numbers: [69, 77] Generated Node #0,0,3: 14:[69, 77] Operation: 94-17=77 Exploring Operation: 94+17=111, Resulting Numbers: [69, 111] Generated Node #0,0,4: 14:[69, 111] Operation: 94+17=111 Moving to Node #0,3,0 Current State: 14:[16, 8], Operations: ['94-85=9', '17-9=8'] Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,14 unequal: No Solution Moving to Node #0,3,3 Current State: 14:[17, 7], Operations: ['94-85=9', '16-9=7'] Exploring Operation: 17*7=119, Resulting Numbers: [119] 119,14 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,14 unequal: No Solution Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,14 unequal: No Solution Moving to Node #0,3,1 Current State: 14:[9, 1], Operations: ['94-85=9', '17-16=1'] Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,14 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,14 unequal: No Solution Moving to Node #0,3,4 Current State: 14:[16, 26], Operations: ['94-85=9', '17+9=26'] Exploring Operation: 16*26=416, Resulting Numbers: [416] 416,14 unequal: No Solution Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,14 unequal: No Solution Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[17, 25], Operations: ['85-16=69', '94-69=25'] Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,14 unequal: No Solution Exploring Operation: 17*25=425, Resulting Numbers: [425] 425,14 unequal: No Solution Moving to Node #0,3,2 Current State: 14:[17, 25], Operations: ['94-85=9', '16+9=25'] Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,14 unequal: No Solution Exploring Operation: 17*25=425, Resulting Numbers: [425] 425,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[5, 78], Operations: ['85/17=5', '94-16=78'] Exploring Operation: 5+78=83, Resulting Numbers: [83] 83,14 unequal: No Solution Exploring Operation: 5*78=390, Resulting Numbers: [390] 390,14 unequal: No Solution Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,14 unequal: No Solution Moving to Node #0,1,2 Current State: 14:[16, 89], Operations: ['85/17=5', '94-5=89'] Exploring Operation: 16+89=105, Resulting Numbers: [105] 105,14 unequal: No Solution Exploring Operation: 16*89=1424, Resulting Numbers: [1424] 1424,14 unequal: No Solution Exploring Operation: 89-16=73, Resulting Numbers: [73] 73,14 unequal: No Solution Moving to Node #0,1,4 Current State: 14:[94, 11], Operations: ['85/17=5', '16-5=11'] Exploring Operation: 94*11=1034, Resulting Numbers: [1034] 1034,14 unequal: No Solution Exploring Operation: 94+11=105, Resulting Numbers: [105] 105,14 unequal: No Solution Exploring Operation: 94-11=83, Resulting Numbers: [83] 83,14 unequal: No Solution Moving to Node #0,1,3 Current State: 14:[16, 99], Operations: ['85/17=5', '94+5=99'] Exploring Operation: 16*99=1584, Resulting Numbers: [1584] 1584,14 unequal: No Solution Exploring Operation: 16+99=115, Resulting Numbers: [115] 115,14 unequal: No Solution Exploring Operation: 99-16=83, Resulting Numbers: [83] 83,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[94, 21], Operations: ['85/17=5', '16+5=21'] Exploring Operation: 94-21=73, Resulting Numbers: [73] 73,14 unequal: No Solution Exploring Operation: 94*21=1974, Resulting Numbers: [1974] 1974,14 unequal: No Solution Exploring Operation: 94+21=115, Resulting Numbers: [115] 115,14 unequal: No Solution Moving to Node #0,0,3 Current State: 14:[69, 77], Operations: ['85-16=69', '94-17=77'] Exploring Operation: 77-69=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 69+77=146, Resulting Numbers: [146] 146,14 unequal: No Solution Exploring Operation: 69*77=5313, Resulting Numbers: [5313] 5313,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[94, 52], Operations: ['85-16=69', '69-17=52'] Exploring Operation: 94-52=42, Resulting Numbers: [42] 42,14 unequal: No Solution Exploring Operation: 94*52=4888, Resulting Numbers: [4888] 4888,14 unequal: No Solution Exploring Operation: 94+52=146, Resulting Numbers: [146] 146,14 unequal: No Solution Moving to Node #0,0,4 Current State: 14:[69, 111], Operations: ['85-16=69', '94+17=111'] Exploring Operation: 69+111=180, Resulting Numbers: [180] 180,14 unequal: No Solution Exploring Operation: 111-69=42, Resulting Numbers: [42] 42,14 unequal: No Solution Exploring Operation: 69*111=7659, Resulting Numbers: [7659] 7659,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[17, 163], Operations: ['85-16=69', '94+69=163'] Exploring Operation: 17+163=180, Resulting Numbers: [180] 180,14 unequal: No Solution Exploring Operation: 17*163=2771, Resulting Numbers: [2771] 2771,14 unequal: No Solution Exploring Operation: 163-17=146, Resulting Numbers: [146] 146,14 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 47, 64, 32, 16 ]
43
[ "32-16=16", "64/16=4", "47-4=43" ]
Current State: 43:[47, 64, 32, 16], Operations: [] Exploring Operation: 32-16=16, Resulting Numbers: [47, 64, 16] Generated Node #2: [47, 64, 16] from Operation: 32-16=16 Current State: 43:[47, 64, 16], Operations: ['32-16=16'] Exploring Operation: 64/16=4, Resulting Numbers: [47, 4] Generated Node #3: [47, 4] from Operation: 64/16=4 Current State: 43:[47, 4], Operations: ['32-16=16', '64/16=4'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[47, 64, 32, 16], Operations: [] Exploring Operation: 64-16=48, Resulting Numbers: [47, 32, 48] Generated Node #0,0: 43:[47, 32, 48] Operation: 64-16=48 Exploring Operation: 64-32=32, Resulting Numbers: [47, 16, 32] Generated Node #0,1: 43:[47, 16, 32] Operation: 64-32=32 Exploring Operation: 32+16=48, Resulting Numbers: [47, 64, 48] Generated Node #0,2: 43:[47, 64, 48] Operation: 32+16=48 Moving to Node #0,0 Current State: 43:[47, 32, 48], Operations: ['64-16=48'] Exploring Operation: 47+32=79, Resulting Numbers: [48, 79] Generated Node #0,0,0: 43:[48, 79] Operation: 47+32=79 Exploring Operation: 47-32=15, Resulting Numbers: [48, 15] Generated Node #0,0,1: 43:[48, 15] Operation: 47-32=15 Exploring Operation: 48-32=16, Resulting Numbers: [47, 16] Generated Node #0,0,2: 43:[47, 16] Operation: 48-32=16 Moving to Node #0,2 Current State: 43:[47, 64, 48], Operations: ['32+16=48'] Exploring Operation: 48-47=1, Resulting Numbers: [64, 1] Generated Node #0,2,0: 43:[64, 1] Operation: 48-47=1 Exploring Operation: 64-48=16, Resulting Numbers: [47, 16] Generated Node #0,2,1: 43:[47, 16] Operation: 64-48=16 Exploring Operation: 64-47=17, Resulting Numbers: [48, 17] Generated Node #0,2,2: 43:[48, 17] Operation: 64-47=17 Moving to Node #0,1 Current State: 43:[47, 16, 32], Operations: ['64-32=32'] Exploring Operation: 16+32=48, Resulting Numbers: [47, 48] Generated Node #0,1,0: 43:[47, 48] Operation: 16+32=48 Exploring Operation: 47+16=63, Resulting Numbers: [32, 63] Generated Node #0,1,1: 43:[32, 63] Operation: 47+16=63 Exploring Operation: 47-16=31, Resulting Numbers: [32, 31] Generated Node #0,1,2: 43:[32, 31] Operation: 47-16=31 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[47, 48], Operations: ['64-32=32', '16+32=48'] Exploring Operation: 47*48=2256, Resulting Numbers: [2256] 2256,43 unequal: No Solution Exploring Operation: 48-47=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 47+48=95, Resulting Numbers: [95] 95,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 43:[32, 31], Operations: ['64-32=32', '47-16=31'] Exploring Operation: 32*31=992, Resulting Numbers: [992] 992,43 unequal: No Solution Exploring Operation: 32+31=63, Resulting Numbers: [63] 63,43 unequal: No Solution Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 43:[32, 63], Operations: ['64-32=32', '47+16=63'] Exploring Operation: 32*63=2016, Resulting Numbers: [2016] 2016,43 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,43 unequal: No Solution Exploring Operation: 32+63=95, Resulting Numbers: [95] 95,43 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: 43:[47, 16], Operations: ['64-16=48', '48-32=16'] Exploring Operation: 47*16=752, Resulting Numbers: [752] 752,43 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,43 unequal: No Solution Exploring Operation: 47+16=63, Resulting Numbers: [63] 63,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[47, 16], Operations: ['32+16=48', '64-48=16'] Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,43 unequal: No Solution Exploring Operation: 47*16=752, Resulting Numbers: [752] 752,43 unequal: No Solution Exploring Operation: 47+16=63, Resulting Numbers: [63] 63,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[48, 17], Operations: ['32+16=48', '64-47=17'] Exploring Operation: 48+17=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,43 unequal: No Solution Exploring Operation: 48*17=816, Resulting Numbers: [816] 816,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[48, 15], Operations: ['64-16=48', '47-32=15'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,43 unequal: No Solution Exploring Operation: 48*15=720, Resulting Numbers: [720] 720,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[48, 79], Operations: ['64-16=48', '47+32=79'] Exploring Operation: 48+79=127, Resulting Numbers: [127] 127,43 unequal: No Solution Exploring Operation: 79-48=31, Resulting Numbers: [31] 31,43 unequal: No Solution Exploring Operation: 48*79=3792, Resulting Numbers: [3792] 3792,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[64, 1], Operations: ['32+16=48', '48-47=1'] Exploring Operation: 64/1=64, Resulting Numbers: [64] 64,43 unequal: No Solution Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,43 unequal: No Solution Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,43 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 61, 71, 65, 20 ]
66
[ "65-61=4", "20/4=5", "71-5=66" ]
Current State: 66:[61, 71, 65, 20], Operations: [] Exploring Operation: 65-61=4, Resulting Numbers: [71, 20, 4] Generated Node #2: [71, 20, 4] from Operation: 65-61=4 Current State: 66:[71, 20, 4], Operations: ['65-61=4'] Exploring Operation: 20/4=5, Resulting Numbers: [71, 5] Generated Node #3: [71, 5] from Operation: 20/4=5 Current State: 66:[71, 5], Operations: ['65-61=4', '20/4=5'] Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[61, 71, 65, 20], Operations: [] Exploring Operation: 65-61=4, Resulting Numbers: [71, 20, 4] Generated Node #0,0: 66:[71, 20, 4] Operation: 65-61=4 Exploring Operation: 71-65=6, Resulting Numbers: [61, 20, 6] Generated Node #0,1: 66:[61, 20, 6] Operation: 71-65=6 Exploring Operation: 71-61=10, Resulting Numbers: [65, 20, 10] Generated Node #0,2: 66:[65, 20, 10] Operation: 71-61=10 Moving to Node #0,2 Current State: 66:[65, 20, 10], Operations: ['71-61=10'] Exploring Operation: 20/10=2, Resulting Numbers: [65, 2] Generated Node #0,2,0: 66:[65, 2] Operation: 20/10=2 Exploring Operation: 20-10=10, Resulting Numbers: [65, 10] Generated Node #0,2,1: 66:[65, 10] Operation: 20-10=10 Exploring Operation: 20+10=30, Resulting Numbers: [65, 30] Generated Node #0,2,2: 66:[65, 30] Operation: 20+10=30 Moving to Node #0,1 Current State: 66:[61, 20, 6], Operations: ['71-65=6'] Exploring Operation: 20-6=14, Resulting Numbers: [61, 14] Generated Node #0,1,0: 66:[61, 14] Operation: 20-6=14 Exploring Operation: 61-20=41, Resulting Numbers: [6, 41] Generated Node #0,1,1: 66:[6, 41] Operation: 61-20=41 Exploring Operation: 61+6=67, Resulting Numbers: [20, 67] Generated Node #0,1,2: 66:[20, 67] Operation: 61+6=67 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 66:[20, 67], Operations: ['71-65=6', '61+6=67'] Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,66 unequal: No Solution Exploring Operation: 20*67=1340, Resulting Numbers: [1340] 1340,66 unequal: No Solution Exploring Operation: 20+67=87, Resulting Numbers: [87] 87,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[61, 14], Operations: ['71-65=6', '20-6=14'] Exploring Operation: 61*14=854, Resulting Numbers: [854] 854,66 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,66 unequal: No Solution Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 66:[6, 41], Operations: ['71-65=6', '61-20=41'] Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,66 unequal: No Solution Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,66 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,66 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: 66:[71, 20, 4], Operations: ['65-61=4'] Exploring Operation: 20/4=5, Resulting Numbers: [71, 5] Generated Node #0,0,0: 66:[71, 5] Operation: 20/4=5 Exploring Operation: 20+4=24, Resulting Numbers: [71, 24] Generated Node #0,0,1: 66:[71, 24] Operation: 20+4=24 Exploring Operation: 71-4=67, Resulting Numbers: [20, 67] Generated Node #0,0,2: 66:[20, 67] Operation: 71-4=67 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 66:[20, 67], Operations: ['65-61=4', '71-4=67'] Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,66 unequal: No Solution Exploring Operation: 20*67=1340, Resulting Numbers: [1340] 1340,66 unequal: No Solution Exploring Operation: 20+67=87, Resulting Numbers: [87] 87,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[71, 5], Operations: ['65-61=4', '20/4=5'] Exploring Operation: 71+5=76, Resulting Numbers: [76] 76,66 unequal: No Solution Exploring Operation: 71*5=355, Resulting Numbers: [355] 355,66 unequal: No Solution Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[61, 71, 65, 20], Operations: [] Exploring Operation: 65-61=4, Resulting Numbers: [71, 20, 4] Generated Node #0,0: 66:[71, 20, 4] Operation: 65-61=4 Moving to Node #0,0 Current State: 66:[71, 20, 4], Operations: ['65-61=4'] Exploring Operation: 20/4=5, Resulting Numbers: [71, 5] Generated Node #0,0,0: 66:[71, 5] Operation: 20/4=5 Moving to Node #0,0,0 Current State: 66:[71, 5], Operations: ['65-61=4', '20/4=5'] Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 32, 48, 59, 43 ]
64
[ "32+48=80", "59-43=16", "80-16=64" ]
Current State: 64:[32, 48, 59, 43], Operations: [] Exploring Operation: 32+48=80, Resulting Numbers: [59, 43, 80] Generated Node #2: [59, 43, 80] from Operation: 32+48=80 Current State: 64:[59, 43, 80], Operations: ['32+48=80'] Exploring Operation: 59-43=16, Resulting Numbers: [80, 16] Generated Node #3: [80, 16] from Operation: 59-43=16 Current State: 64:[80, 16], Operations: ['32+48=80', '59-43=16'] Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[32, 48, 59, 43], Operations: [] Exploring Operation: 48-43=5, Resulting Numbers: [32, 59, 5] Generated Node #0,0: 64:[32, 59, 5] Operation: 48-43=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[32, 59, 5], Operations: ['48-43=5'] Exploring Operation: 59+5=64, Resulting Numbers: [32, 64] Generated Node #0,0,0: 64:[32, 64] Operation: 59+5=64 Moving to Node #0,0,0 Current State: 64:[32, 64], Operations: ['48-43=5', '59+5=64'] Exploring Operation: 64-32=32, Resulting Numbers: [32] 32,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 2, 32, 8, 7 ]
43
[ "8/2=4", "32+7=39", "4+39=43" ]
Current State: 43:[2, 32, 8, 7], Operations: [] Exploring Operation: 8/2=4, Resulting Numbers: [32, 7, 4] Generated Node #2: [32, 7, 4] from Operation: 8/2=4 Current State: 43:[32, 7, 4], Operations: ['8/2=4'] Exploring Operation: 32+7=39, Resulting Numbers: [4, 39] Generated Node #3: [4, 39] from Operation: 32+7=39 Current State: 43:[4, 39], Operations: ['8/2=4', '32+7=39'] Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[2, 32, 8, 7], Operations: [] Exploring Operation: 2*8=16, Resulting Numbers: [32, 7, 16] Generated Node #0,0: 43:[32, 7, 16] Operation: 2*8=16 Exploring Operation: 8*7=56, Resulting Numbers: [2, 32, 56] Generated Node #0,1: 43:[2, 32, 56] Operation: 8*7=56 Moving to Node #0,1 Current State: 43:[2, 32, 56], Operations: ['8*7=56'] Exploring Operation: 56-2=54, Resulting Numbers: [32, 54] Generated Node #0,1,0: 43:[32, 54] Operation: 56-2=54 Exploring Operation: 2+32=34, Resulting Numbers: [56, 34] Generated Node #0,1,1: 43:[56, 34] Operation: 2+32=34 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[32, 54], Operations: ['8*7=56', '56-2=54'] Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 32+54=86, Resulting Numbers: [86] 86,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 43:[56, 34], Operations: ['8*7=56', '2+32=34'] Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 56+34=90, Resulting Numbers: [90] 90,43 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: 43:[32, 7, 16], Operations: ['2*8=16'] Exploring Operation: 7+16=23, Resulting Numbers: [32, 23] Generated Node #0,0,0: 43:[32, 23] Operation: 7+16=23 Exploring Operation: 32+7=39, Resulting Numbers: [16, 39] Generated Node #0,0,1: 43:[16, 39] Operation: 32+7=39 Moving to Node #0,0,0 Current State: 43:[32, 23], Operations: ['2*8=16', '7+16=23'] Exploring Operation: 32+23=55, Resulting Numbers: [55] 55,43 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[16, 39], Operations: ['2*8=16', '32+7=39'] Exploring Operation: 16+39=55, Resulting Numbers: [55] 55,43 unequal: No Solution Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,43 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 33, 96, 37, 31 ]
28
[ "37-33=4", "31*4=124", "124-96=28" ]
Current State: 28:[33, 96, 37, 31], Operations: [] Exploring Operation: 37-33=4, Resulting Numbers: [96, 31, 4] Generated Node #2: [96, 31, 4] from Operation: 37-33=4 Current State: 28:[96, 31, 4], Operations: ['37-33=4'] Exploring Operation: 31*4=124, Resulting Numbers: [96, 124] Generated Node #3: [96, 124] from Operation: 31*4=124 Current State: 28:[96, 124], Operations: ['37-33=4', '31*4=124'] Exploring Operation: 124-96=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[33, 96, 37, 31], Operations: [] Exploring Operation: 96-37=59, Resulting Numbers: [33, 31, 59] Generated Node #0,0: 28:[33, 31, 59] Operation: 96-37=59 Exploring Operation: 96-33=63, Resulting Numbers: [37, 31, 63] Generated Node #0,1: 28:[37, 31, 63] Operation: 96-33=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[33, 31, 59], Operations: ['96-37=59'] Exploring Operation: 59-33=26, Resulting Numbers: [31, 26] Generated Node #0,0,0: 28:[31, 26] Operation: 59-33=26 Exploring Operation: 59-31=28, Resulting Numbers: [33, 28] Generated Node #0,0,1: 28:[33, 28] Operation: 59-31=28 Moving to Node #0,0,0 Current State: 28:[31, 26], Operations: ['96-37=59', '59-33=26'] Exploring Operation: 31+26=57, Resulting Numbers: [57] 57,28 unequal: No Solution Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[33, 28], Operations: ['96-37=59', '59-31=28'] Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,28 unequal: No Solution Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[37, 31, 63], Operations: ['96-33=63'] Exploring Operation: 63-31=32, Resulting Numbers: [37, 32] Generated Node #0,1,0: 28:[37, 32] Operation: 63-31=32 Exploring Operation: 63-37=26, Resulting Numbers: [31, 26] Generated Node #0,1,1: 28:[31, 26] Operation: 63-37=26 Moving to Node #0,1,1 Current State: 28:[31, 26], Operations: ['96-33=63', '63-37=26'] Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 31+26=57, Resulting Numbers: [57] 57,28 unequal: No Solution Moving to Node #0,1,0 Current State: 28:[37, 32], Operations: ['96-33=63', '63-31=32'] Exploring Operation: 37+32=69, Resulting Numbers: [69] 69,28 unequal: No Solution Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,28 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
[ 79, 30, 96, 10 ]
20
[ "96-79=17", "30/10=3", "17+3=20" ]
Current State: 20:[79, 30, 96, 10], Operations: [] Exploring Operation: 96-79=17, Resulting Numbers: [30, 10, 17] Generated Node #2: [30, 10, 17] from Operation: 96-79=17 Current State: 20:[30, 10, 17], Operations: ['96-79=17'] Exploring Operation: 30/10=3, Resulting Numbers: [17, 3] Generated Node #3: [17, 3] from Operation: 30/10=3 Current State: 20:[17, 3], Operations: ['96-79=17', '30/10=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[79, 30, 96, 10], Operations: [] Exploring Operation: 30-10=20, Resulting Numbers: [79, 96, 20] Generated Node #0,0: 20:[79, 96, 20] Operation: 30-10=20 Exploring Operation: 79-10=69, Resulting Numbers: [30, 96, 69] Generated Node #0,1: 20:[30, 96, 69] Operation: 79-10=69 Exploring Operation: 96-79=17, Resulting Numbers: [30, 10, 17] Generated Node #0,2: 20:[30, 10, 17] Operation: 96-79=17 Exploring Operation: 96-30=66, Resulting Numbers: [79, 10, 66] Generated Node #0,3: 20:[79, 10, 66] Operation: 96-30=66 Exploring Operation: 79-30=49, Resulting Numbers: [96, 10, 49] Generated Node #0,4: 20:[96, 10, 49] Operation: 79-30=49 Moving to Node #0,2 Current State: 20:[30, 10, 17], Operations: ['96-79=17'] Exploring Operation: 10+17=27, Resulting Numbers: [30, 27] Generated Node #0,2,0: 20:[30, 27] Operation: 10+17=27 Exploring Operation: 30-10=20, Resulting Numbers: [17, 20] Generated Node #0,2,1: 20:[17, 20] Operation: 30-10=20 Exploring Operation: 30/10=3, Resulting Numbers: [17, 3] Generated Node #0,2,2: 20:[17, 3] Operation: 30/10=3 Exploring Operation: 30-17=13, Resulting Numbers: [10, 13] Generated Node #0,2,3: 20:[10, 13] Operation: 30-17=13 Exploring Operation: 17-10=7, Resulting Numbers: [30, 7] Generated Node #0,2,4: 20:[30, 7] Operation: 17-10=7 Moving to Node #0,4 Current State: 20:[96, 10, 49], Operations: ['79-30=49'] Exploring Operation: 96+10=106, Resulting Numbers: [49, 106] Generated Node #0,4,0: 20:[49, 106] Operation: 96+10=106 Exploring Operation: 96-10=86, Resulting Numbers: [49, 86] Generated Node #0,4,1: 20:[49, 86] Operation: 96-10=86 Exploring Operation: 10+49=59, Resulting Numbers: [96, 59] Generated Node #0,4,2: 20:[96, 59] Operation: 10+49=59 Exploring Operation: 49-10=39, Resulting Numbers: [96, 39] Generated Node #0,4,3: 20:[96, 39] Operation: 49-10=39 Exploring Operation: 96-49=47, Resulting Numbers: [10, 47] Generated Node #0,4,4: 20:[10, 47] Operation: 96-49=47 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 20:[10, 47], Operations: ['79-30=49', '96-49=47'] Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 10*47=470, Resulting Numbers: [470] 470,20 unequal: No Solution Exploring Operation: 10+47=57, Resulting Numbers: [57] 57,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 20:[49, 86], Operations: ['79-30=49', '96-10=86'] Exploring Operation: 86-49=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 49*86=4214, Resulting Numbers: [4214] 4214,20 unequal: No Solution Exploring Operation: 49+86=135, Resulting Numbers: [135] 135,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 20:[96, 39], Operations: ['79-30=49', '49-10=39'] Exploring Operation: 96+39=135, Resulting Numbers: [135] 135,20 unequal: No Solution Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 96*39=3744, Resulting Numbers: [3744] 3744,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 20:[49, 106], Operations: ['79-30=49', '96+10=106'] Exploring Operation: 49+106=155, Resulting Numbers: [155] 155,20 unequal: No Solution Exploring Operation: 106-49=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 49*106=5194, Resulting Numbers: [5194] 5194,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 20:[96, 59], Operations: ['79-30=49', '10+49=59'] Exploring Operation: 96*59=5664, Resulting Numbers: [5664] 5664,20 unequal: No Solution Exploring Operation: 96+59=155, Resulting Numbers: [155] 155,20 unequal: No Solution Exploring Operation: 96-59=37, Resulting Numbers: [37] 37,20 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: 20:[79, 10, 66], Operations: ['96-30=66'] Exploring Operation: 79-66=13, Resulting Numbers: [10, 13] Generated Node #0,3,0: 20:[10, 13] Operation: 79-66=13 Exploring Operation: 66-10=56, Resulting Numbers: [79, 56] Generated Node #0,3,1: 20:[79, 56] Operation: 66-10=56 Exploring Operation: 79+10=89, Resulting Numbers: [66, 89] Generated Node #0,3,2: 20:[66, 89] Operation: 79+10=89 Exploring Operation: 10+66=76, Resulting Numbers: [79, 76] Generated Node #0,3,3: 20:[79, 76] Operation: 10+66=76 Exploring Operation: 79-10=69, Resulting Numbers: [66, 69] Generated Node #0,3,4: 20:[66, 69] Operation: 79-10=69 Moving to Node #0,0 Current State: 20:[79, 96, 20], Operations: ['30-10=20'] Exploring Operation: 79+96=175, Resulting Numbers: [20, 175] Generated Node #0,0,0: 20:[20, 175] Operation: 79+96=175 Exploring Operation: 79-20=59, Resulting Numbers: [96, 59] Generated Node #0,0,1: 20:[96, 59] Operation: 79-20=59 Exploring Operation: 96-20=76, Resulting Numbers: [79, 76] Generated Node #0,0,2: 20:[79, 76] Operation: 96-20=76 Exploring Operation: 79+20=99, Resulting Numbers: [96, 99] Generated Node #0,0,3: 20:[96, 99] Operation: 79+20=99 Exploring Operation: 96-79=17, Resulting Numbers: [20, 17] Generated Node #0,0,4: 20:[20, 17] Operation: 96-79=17 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 20:[20, 17], Operations: ['30-10=20', '96-79=17'] Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 20*17=340, Resulting Numbers: [340] 340,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[96, 59], Operations: ['30-10=20', '79-20=59'] Exploring Operation: 96*59=5664, Resulting Numbers: [5664] 5664,20 unequal: No Solution Exploring Operation: 96-59=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 96+59=155, Resulting Numbers: [155] 155,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[79, 76], Operations: ['30-10=20', '96-20=76'] Exploring Operation: 79*76=6004, Resulting Numbers: [6004] 6004,20 unequal: No Solution Exploring Operation: 79+76=155, Resulting Numbers: [155] 155,20 unequal: No Solution Exploring Operation: 79-76=3, Resulting Numbers: [3] 3,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[20, 175], Operations: ['30-10=20', '79+96=175'] Exploring Operation: 20*175=3500, Resulting Numbers: [3500] 3500,20 unequal: No Solution Exploring Operation: 20+175=195, Resulting Numbers: [195] 195,20 unequal: No Solution Exploring Operation: 175-20=155, Resulting Numbers: [155] 155,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 20:[96, 99], Operations: ['30-10=20', '79+20=99'] Exploring Operation: 96+99=195, Resulting Numbers: [195] 195,20 unequal: No Solution Exploring Operation: 96*99=9504, Resulting Numbers: [9504] 9504,20 unequal: No Solution Exploring Operation: 99-96=3, Resulting Numbers: [3] 3,20 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: 20:[30, 96, 69], Operations: ['79-10=69'] Exploring Operation: 96-69=27, Resulting Numbers: [30, 27] Generated Node #0,1,0: 20:[30, 27] Operation: 96-69=27 Exploring Operation: 69-30=39, Resulting Numbers: [96, 39] Generated Node #0,1,1: 20:[96, 39] Operation: 69-30=39 Exploring Operation: 30+69=99, Resulting Numbers: [96, 99] Generated Node #0,1,2: 20:[96, 99] Operation: 30+69=99 Exploring Operation: 30+96=126, Resulting Numbers: [69, 126] Generated Node #0,1,3: 20:[69, 126] Operation: 30+96=126 Exploring Operation: 96-30=66, Resulting Numbers: [69, 66] Generated Node #0,1,4: 20:[69, 66] Operation: 96-30=66 Moving to Node #0,2,1 Current State: 20:[17, 20], Operations: ['96-79=17', '30-10=20'] Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 17*20=340, Resulting Numbers: [340] 340,20 unequal: No Solution Exploring Operation: 17+20=37, Resulting Numbers: [37] 37,20 unequal: No Solution Moving to Node #0,3,0 Current State: 20:[10, 13], Operations: ['96-30=66', '79-66=13'] Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 10*13=130, Resulting Numbers: [130] 130,20 unequal: No Solution Moving to Node #0,2,3 Current State: 20:[10, 13], Operations: ['96-79=17', '30-17=13'] Exploring Operation: 10*13=130, Resulting Numbers: [130] 130,20 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[17, 3], Operations: ['96-79=17', '30/10=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[79, 30, 96, 10], Operations: [] Exploring Operation: 96-79=17, Resulting Numbers: [30, 10, 17] Generated Node #0,2: 20:[30, 10, 17] Operation: 96-79=17 Moving to Node #0,2 Current State: 20:[30, 10, 17], Operations: ['96-79=17'] Exploring Operation: 30/10=3, Resulting Numbers: [17, 3] Generated Node #0,2,2: 20:[17, 3] Operation: 30/10=3 Moving to Node #0,2,2 Current State: 20:[17, 3], Operations: ['96-79=17', '30/10=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.934896
hs_5
mult_heuristic
[ 36, 17, 55, 38 ]
21
[ "38-36=2", "17*2=34", "55-34=21" ]
Current State: 21:[36, 17, 55, 38], Operations: [] Exploring Operation: 38-36=2, Resulting Numbers: [17, 55, 2] Generated Node #2: [17, 55, 2] from Operation: 38-36=2 Current State: 21:[17, 55, 2], Operations: ['38-36=2'] Exploring Operation: 17*2=34, Resulting Numbers: [55, 34] Generated Node #3: [55, 34] from Operation: 17*2=34 Current State: 21:[55, 34], Operations: ['38-36=2', '17*2=34'] Exploring Operation: 55-34=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[36, 17, 55, 38], Operations: [] Exploring Operation: 55-38=17, Resulting Numbers: [36, 17, 17] Generated Node #0,0: 21:[36, 17, 17] Operation: 55-38=17 Exploring Operation: 55-36=19, Resulting Numbers: [17, 38, 19] Generated Node #0,1: 21:[17, 38, 19] Operation: 55-36=19 Exploring Operation: 55-17=38, Resulting Numbers: [36, 38, 38] Generated Node #0,2: 21:[36, 38, 38] Operation: 55-17=38 Exploring Operation: 38-36=2, Resulting Numbers: [17, 55, 2] Generated Node #0,3: 21:[17, 55, 2] Operation: 38-36=2 Moving to Node #0,0 Current State: 21:[36, 17, 17], Operations: ['55-38=17'] Exploring Operation: 17/17=1, Resulting Numbers: [36, 1] Generated Node #0,0,0: 21:[36, 1] Operation: 17/17=1 Exploring Operation: 36-17=19, Resulting Numbers: [17, 19] Generated Node #0,0,1: 21:[17, 19] Operation: 36-17=19 Exploring Operation: 17-17=0, Resulting Numbers: [36, 0] Generated Node #0,0,2: 21:[36, 0] Operation: 17-17=0 Exploring Operation: 36-17=19, Resulting Numbers: [17, 19] Generated Node #0,0,3: 21:[17, 19] Operation: 36-17=19 Moving to Node #0,1 Current State: 21:[17, 38, 19], Operations: ['55-36=19'] Exploring Operation: 38-19=19, Resulting Numbers: [17, 19] Generated Node #0,1,0: 21:[17, 19] Operation: 38-19=19 Exploring Operation: 38-17=21, Resulting Numbers: [19, 21] Generated Node #0,1,1: 21:[19, 21] Operation: 38-17=21 Exploring Operation: 38/19=2, Resulting Numbers: [17, 2] Generated Node #0,1,2: 21:[17, 2] Operation: 38/19=2 Exploring Operation: 19-17=2, Resulting Numbers: [38, 2] Generated Node #0,1,3: 21:[38, 2] Operation: 19-17=2 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 21:[19, 21], Operations: ['55-36=19', '38-17=21'] Exploring Operation: 19+21=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 21-19=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 19*21=399, Resulting Numbers: [399] 399,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 21:[17, 2], Operations: ['55-36=19', '38/19=2'] Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,21 unequal: No Solution Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,21 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[17, 19], Operations: ['55-36=19', '38-19=19'] Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 17*19=323, Resulting Numbers: [323] 323,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 21:[38, 2], Operations: ['55-36=19', '19-17=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,21 unequal: No Solution Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,21 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: 21:[17, 55, 2], Operations: ['38-36=2'] Exploring Operation: 17-2=15, Resulting Numbers: [55, 15] Generated Node #0,3,0: 21:[55, 15] Operation: 17-2=15 Exploring Operation: 17+2=19, Resulting Numbers: [55, 19] Generated Node #0,3,1: 21:[55, 19] Operation: 17+2=19 Exploring Operation: 55-17=38, Resulting Numbers: [2, 38] Generated Node #0,3,2: 21:[2, 38] Operation: 55-17=38 Exploring Operation: 55-2=53, Resulting Numbers: [17, 53] Generated Node #0,3,3: 21:[17, 53] Operation: 55-2=53 Moving to Node #0,2 Current State: 21:[36, 38, 38], Operations: ['55-17=38'] Exploring Operation: 38-36=2, Resulting Numbers: [38, 2] Generated Node #0,2,0: 21:[38, 2] Operation: 38-36=2 Exploring Operation: 38-36=2, Resulting Numbers: [38, 2] Generated Node #0,2,1: 21:[38, 2] Operation: 38-36=2 Exploring Operation: 38/38=1, Resulting Numbers: [36, 1] Generated Node #0,2,2: 21:[36, 1] Operation: 38/38=1 Exploring Operation: 38-38=0, Resulting Numbers: [36, 0] Generated Node #0,2,3: 21:[36, 0] Operation: 38-38=0 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 21:[36, 1], Operations: ['55-17=38', '38/38=1'] Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 36+1=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 36*1=36, Resulting Numbers: [36] 36,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 21:[38, 2], Operations: ['55-17=38', '38-36=2'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,21 unequal: No Solution Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 21:[38, 2], Operations: ['55-17=38', '38-36=2'] Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 21:[36, 0], Operations: ['55-17=38', '38-38=0'] Exploring Operation: 36*0=0, Resulting Numbers: [0] 0,21 unequal: No Solution Exploring Operation: 36+0=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 36-0=36, Resulting Numbers: [36] 36,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 21:[17, 19], Operations: ['55-38=17', '36-17=19'] Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 17*19=323, Resulting Numbers: [323] 323,21 unequal: No Solution Moving to Node #0,0,3 Current State: 21:[17, 19], Operations: ['55-38=17', '36-17=19'] Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 17*19=323, Resulting Numbers: [323] 323,21 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,21 unequal: No Solution Moving to Node #0,0,0 Current State: 21:[36, 1], Operations: ['55-38=17', '17/17=1'] Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 36+1=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 36*1=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,21 unequal: No Solution Moving to Node #0,3,2 Current State: 21:[2, 38], Operations: ['38-36=2', '55-17=38'] Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,21 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[36, 0], Operations: ['55-38=17', '17-17=0'] Exploring Operation: 36+0=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 36*0=0, Resulting Numbers: [0] 0,21 unequal: No Solution Exploring Operation: 36-0=36, Resulting Numbers: [36] 36,21 unequal: No Solution Moving to Node #0,3,1 Current State: 21:[55, 19], Operations: ['38-36=2', '17+2=19'] Exploring Operation: 55+19=74, Resulting Numbers: [74] 74,21 unequal: No Solution Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 55*19=1045, Resulting Numbers: [1045] 1045,21 unequal: No Solution Moving to Node #0,3,3 Current State: 21:[17, 53], Operations: ['38-36=2', '55-2=53'] Exploring Operation: 53-17=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 17*53=901, Resulting Numbers: [901] 901,21 unequal: No Solution Exploring Operation: 17+53=70, Resulting Numbers: [70] 70,21 unequal: No Solution Moving to Node #0,3,0 Current State: 21:[55, 15], Operations: ['38-36=2', '17-2=15'] Exploring Operation: 55+15=70, Resulting Numbers: [70] 70,21 unequal: No Solution Exploring Operation: 55*15=825, Resulting Numbers: [825] 825,21 unequal: No Solution Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,21 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 20, 5, 42, 26 ]
83
[ "20-5=15", "42+26=68", "15+68=83" ]
Current State: 83:[20, 5, 42, 26], Operations: [] Exploring Operation: 20-5=15, Resulting Numbers: [42, 26, 15] Generated Node #2: [42, 26, 15] from Operation: 20-5=15 Current State: 83:[42, 26, 15], Operations: ['20-5=15'] Exploring Operation: 42+26=68, Resulting Numbers: [15, 68] Generated Node #3: [15, 68] from Operation: 42+26=68 Current State: 83:[15, 68], Operations: ['20-5=15', '42+26=68'] Exploring Operation: 15+68=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[20, 5, 42, 26], Operations: [] Exploring Operation: 20*5=100, Resulting Numbers: [42, 26, 100] Generated Node #0,0: 83:[42, 26, 100] Operation: 20*5=100 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[42, 26, 100], Operations: ['20*5=100'] Exploring Operation: 42+26=68, Resulting Numbers: [100, 68] Generated Node #0,0,0: 83:[100, 68] Operation: 42+26=68 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[100, 68], Operations: ['20*5=100', '42+26=68'] Exploring Operation: 100-68=32, Resulting Numbers: [32] 32,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 3, 2, 89, 77 ]
98
[ "3+77=80", "2*89=178", "178-80=98" ]
Current State: 98:[3, 2, 89, 77], Operations: [] Exploring Operation: 3+77=80, Resulting Numbers: [2, 89, 80] Generated Node #2: [2, 89, 80] from Operation: 3+77=80 Current State: 98:[2, 89, 80], Operations: ['3+77=80'] Exploring Operation: 2*89=178, Resulting Numbers: [80, 178] Generated Node #3: [80, 178] from Operation: 2*89=178 Current State: 98:[80, 178], Operations: ['3+77=80', '2*89=178'] Exploring Operation: 178-80=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[3, 2, 89, 77], Operations: [] Exploring Operation: 89-77=12, Resulting Numbers: [3, 2, 12] Generated Node #0,0: 98:[3, 2, 12] Operation: 89-77=12 Exploring Operation: 3+89=92, Resulting Numbers: [2, 77, 92] Generated Node #0,1: 98:[2, 77, 92] Operation: 3+89=92 Moving to Node #0,0 Current State: 98:[3, 2, 12], Operations: ['89-77=12'] Exploring Operation: 2+12=14, Resulting Numbers: [3, 14] Generated Node #0,0,0: 98:[3, 14] Operation: 2+12=14 Exploring Operation: 3+12=15, Resulting Numbers: [2, 15] Generated Node #0,0,1: 98:[2, 15] Operation: 3+12=15 Moving to Node #0,1 Current State: 98:[2, 77, 92], Operations: ['3+89=92'] Exploring Operation: 92-77=15, Resulting Numbers: [2, 15] Generated Node #0,1,0: 98:[2, 15] Operation: 92-77=15 Exploring Operation: 92/2=46, Resulting Numbers: [77, 46] Generated Node #0,1,1: 98:[77, 46] Operation: 92/2=46 Moving to Node #0,0,0 Current State: 98:[3, 14], Operations: ['89-77=12', '2+12=14'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,98 unequal: No Solution Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[2, 15], Operations: ['3+89=92', '92-77=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,98 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[2, 15], Operations: ['89-77=12', '3+12=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,98 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[77, 46], Operations: ['3+89=92', '92/2=46'] Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,98 unequal: No Solution Exploring Operation: 77+46=123, Resulting Numbers: [123] 123,98 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 50, 76, 16, 9 ]
30
[ "50+76=126", "126/9=14", "16+14=30" ]
Current State: 30:[50, 76, 16, 9], Operations: [] Exploring Operation: 50+76=126, Resulting Numbers: [16, 9, 126] Generated Node #2: [16, 9, 126] from Operation: 50+76=126 Current State: 30:[16, 9, 126], Operations: ['50+76=126'] Exploring Operation: 126/9=14, Resulting Numbers: [16, 14] Generated Node #3: [16, 14] from Operation: 126/9=14 Current State: 30:[16, 14], Operations: ['50+76=126', '126/9=14'] Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[50, 76, 16, 9], Operations: [] Exploring Operation: 50-16=34, Resulting Numbers: [76, 9, 34] Generated Node #0,0: 30:[76, 9, 34] Operation: 50-16=34 Exploring Operation: 76-16=60, Resulting Numbers: [50, 9, 60] Generated Node #0,1: 30:[50, 9, 60] Operation: 76-16=60 Exploring Operation: 76-50=26, Resulting Numbers: [16, 9, 26] Generated Node #0,2: 30:[16, 9, 26] Operation: 76-50=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[16, 9, 26], Operations: ['76-50=26'] Exploring Operation: 26-9=17, Resulting Numbers: [16, 17] Generated Node #0,2,0: 30:[16, 17] Operation: 26-9=17 Exploring Operation: 26-16=10, Resulting Numbers: [9, 10] Generated Node #0,2,1: 30:[9, 10] Operation: 26-16=10 Exploring Operation: 16-9=7, Resulting Numbers: [26, 7] Generated Node #0,2,2: 30:[26, 7] Operation: 16-9=7 Moving to Node #0,2,1 Current State: 30:[9, 10], Operations: ['76-50=26', '26-16=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,30 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,30 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,30 unequal: No Solution Moving to Node #0,2,0 Current State: 30:[16, 17], Operations: ['76-50=26', '26-9=17'] Exploring Operation: 16*17=272, Resulting Numbers: [272] 272,30 unequal: No Solution Exploring Operation: 16+17=33, Resulting Numbers: [33] 33,30 unequal: No Solution Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[26, 7], Operations: ['76-50=26', '16-9=7'] Exploring Operation: 26+7=33, Resulting Numbers: [33] 33,30 unequal: No Solution Exploring Operation: 26*7=182, Resulting Numbers: [182] 182,30 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[76, 9, 34], Operations: ['50-16=34'] Exploring Operation: 76-34=42, Resulting Numbers: [9, 42] Generated Node #0,0,0: 30:[9, 42] Operation: 76-34=42 Exploring Operation: 34-9=25, Resulting Numbers: [76, 25] Generated Node #0,0,1: 30:[76, 25] Operation: 34-9=25 Exploring Operation: 76-9=67, Resulting Numbers: [34, 67] Generated Node #0,0,2: 30:[34, 67] Operation: 76-9=67 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[9, 42], Operations: ['50-16=34', '76-34=42'] Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,30 unequal: No Solution Exploring Operation: 9*42=378, Resulting Numbers: [378] 378,30 unequal: No Solution No 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: 30:[34, 67], Operations: ['50-16=34', '76-9=67'] Exploring Operation: 34*67=2278, Resulting Numbers: [2278] 2278,30 unequal: No Solution Exploring Operation: 34+67=101, Resulting Numbers: [101] 101,30 unequal: No Solution Exploring Operation: 67-34=33, Resulting Numbers: [33] 33,30 unequal: No Solution No 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: 30:[76, 25], Operations: ['50-16=34', '34-9=25'] Exploring Operation: 76-25=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 76+25=101, Resulting Numbers: [101] 101,30 unequal: No Solution Exploring Operation: 76*25=1900, Resulting Numbers: [1900] 1900,30 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: 30:[50, 9, 60], Operations: ['76-16=60'] Exploring Operation: 60-50=10, Resulting Numbers: [9, 10] Generated Node #0,1,0: 30:[9, 10] Operation: 60-50=10 Exploring Operation: 50-9=41, Resulting Numbers: [60, 41] Generated Node #0,1,1: 30:[60, 41] Operation: 50-9=41 Exploring Operation: 60-9=51, Resulting Numbers: [50, 51] Generated Node #0,1,2: 30:[50, 51] Operation: 60-9=51 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 30:[9, 10], Operations: ['76-16=60', '60-50=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,30 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,30 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,30 unequal: No Solution No 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: 30:[60, 41], Operations: ['76-16=60', '50-9=41'] Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,30 unequal: No Solution Exploring Operation: 60+41=101, Resulting Numbers: [101] 101,30 unequal: No Solution Exploring Operation: 60*41=2460, Resulting Numbers: [2460] 2460,30 unequal: No Solution No 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: 30:[50, 51], Operations: ['76-16=60', '60-9=51'] Exploring Operation: 50+51=101, Resulting Numbers: [101] 101,30 unequal: No Solution Exploring Operation: 51-50=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 50*51=2550, Resulting Numbers: [2550] 2550,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 68, 84, 99, 21 ]
35
[ "99-68=31", "84/21=4", "31+4=35" ]
Current State: 35:[68, 84, 99, 21], Operations: [] Exploring Operation: 99-68=31, Resulting Numbers: [84, 21, 31] Generated Node #2: [84, 21, 31] from Operation: 99-68=31 Current State: 35:[84, 21, 31], Operations: ['99-68=31'] Exploring Operation: 84/21=4, Resulting Numbers: [31, 4] Generated Node #3: [31, 4] from Operation: 84/21=4 Current State: 35:[31, 4], Operations: ['99-68=31', '84/21=4'] Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[68, 84, 99, 21], Operations: [] Exploring Operation: 99-84=15, Resulting Numbers: [68, 21, 15] Generated Node #0,0: 35:[68, 21, 15] Operation: 99-84=15 Exploring Operation: 99-68=31, Resulting Numbers: [84, 21, 31] Generated Node #0,1: 35:[84, 21, 31] Operation: 99-68=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[68, 21, 15], Operations: ['99-84=15'] Exploring Operation: 68-15=53, Resulting Numbers: [21, 53] Generated Node #0,0,0: 35:[21, 53] Operation: 68-15=53 Exploring Operation: 68-21=47, Resulting Numbers: [15, 47] Generated Node #0,0,1: 35:[15, 47] Operation: 68-21=47 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 35:[15, 47], Operations: ['99-84=15', '68-21=47'] Exploring Operation: 15+47=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 47-15=32, Resulting Numbers: [32] 32,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[21, 53], Operations: ['99-84=15', '68-15=53'] Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 21+53=74, Resulting Numbers: [74] 74,35 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: 35:[84, 21, 31], Operations: ['99-68=31'] Exploring Operation: 84/21=4, Resulting Numbers: [31, 4] Generated Node #0,1,0: 35:[31, 4] Operation: 84/21=4 Exploring Operation: 84-21=63, Resulting Numbers: [31, 63] Generated Node #0,1,1: 35:[31, 63] Operation: 84-21=63 Moving to Node #0,1,0 Current State: 35:[31, 4], Operations: ['99-68=31', '84/21=4'] Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[68, 84, 99, 21], Operations: [] Exploring Operation: 99-68=31, Resulting Numbers: [84, 21, 31] Generated Node #0,1: 35:[84, 21, 31] Operation: 99-68=31 Moving to Node #0,1 Current State: 35:[84, 21, 31], Operations: ['99-68=31'] Exploring Operation: 84/21=4, Resulting Numbers: [31, 4] Generated Node #0,1,0: 35:[31, 4] Operation: 84/21=4 Moving to Node #0,1,0 Current State: 35:[31, 4], Operations: ['99-68=31', '84/21=4'] Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 48, 95, 61, 50 ]
17
[ "50-48=2", "95-61=34", "34/2=17" ]
Current State: 17:[48, 95, 61, 50], Operations: [] Exploring Operation: 50-48=2, Resulting Numbers: [95, 61, 2] Generated Node #2: [95, 61, 2] from Operation: 50-48=2 Current State: 17:[95, 61, 2], Operations: ['50-48=2'] Exploring Operation: 95-61=34, Resulting Numbers: [2, 34] Generated Node #3: [2, 34] from Operation: 95-61=34 Current State: 17:[2, 34], Operations: ['50-48=2', '95-61=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[48, 95, 61, 50], Operations: [] Exploring Operation: 95-61=34, Resulting Numbers: [48, 50, 34] Generated Node #0,0: 17:[48, 50, 34] Operation: 95-61=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[48, 50, 34], Operations: ['95-61=34'] Exploring Operation: 50-48=2, Resulting Numbers: [34, 2] Generated Node #0,0,0: 17:[34, 2] Operation: 50-48=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[34, 2], Operations: ['95-61=34', '50-48=2'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[48, 95, 61, 50], Operations: [] Exploring Operation: 95-61=34, Resulting Numbers: [48, 50, 34] Generated Node #0,0: 17:[48, 50, 34] Operation: 95-61=34 Moving to Node #0,0 Current State: 17:[48, 50, 34], Operations: ['95-61=34'] Exploring Operation: 50-48=2, Resulting Numbers: [34, 2] Generated Node #0,0,0: 17:[34, 2] Operation: 50-48=2 Moving to Node #0,0,0 Current State: 17:[34, 2], Operations: ['95-61=34', '50-48=2'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 6, 96, 41, 4 ]
37
[ "96/6=16", "16/4=4", "41-4=37" ]
Current State: 37:[6, 96, 41, 4], Operations: [] Exploring Operation: 96/6=16, Resulting Numbers: [41, 4, 16] Generated Node #2: [41, 4, 16] from Operation: 96/6=16 Current State: 37:[41, 4, 16], Operations: ['96/6=16'] Exploring Operation: 16/4=4, Resulting Numbers: [41, 4] Generated Node #3: [41, 4] from Operation: 16/4=4 Current State: 37:[41, 4], Operations: ['96/6=16', '16/4=4'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[6, 96, 41, 4], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [6, 41, 24] Generated Node #0,0: 37:[6, 41, 24] Operation: 96/4=24 Exploring Operation: 96/6=16, Resulting Numbers: [41, 4, 16] Generated Node #0,1: 37:[41, 4, 16] Operation: 96/6=16 Exploring Operation: 96-41=55, Resulting Numbers: [6, 4, 55] Generated Node #0,2: 37:[6, 4, 55] Operation: 96-41=55 Exploring Operation: 6*4=24, Resulting Numbers: [96, 41, 24] Generated Node #0,3: 37:[96, 41, 24] Operation: 6*4=24 Moving to Node #0,0 Current State: 37:[6, 41, 24], Operations: ['96/4=24'] Exploring Operation: 6+24=30, Resulting Numbers: [41, 30] Generated Node #0,0,0: 37:[41, 30] Operation: 6+24=30 Exploring Operation: 24-6=18, Resulting Numbers: [41, 18] Generated Node #0,0,1: 37:[41, 18] Operation: 24-6=18 Exploring Operation: 41-6=35, Resulting Numbers: [24, 35] Generated Node #0,0,2: 37:[24, 35] Operation: 41-6=35 Exploring Operation: 6+41=47, Resulting Numbers: [24, 47] Generated Node #0,0,3: 37:[24, 47] Operation: 6+41=47 Moving to Node #0,1 Current State: 37:[41, 4, 16], Operations: ['96/6=16'] Exploring Operation: 16-4=12, Resulting Numbers: [41, 12] Generated Node #0,1,0: 37:[41, 12] Operation: 16-4=12 Exploring Operation: 41-4=37, Resulting Numbers: [16, 37] Generated Node #0,1,1: 37:[16, 37] Operation: 41-4=37 Exploring Operation: 4+16=20, Resulting Numbers: [41, 20] Generated Node #0,1,2: 37:[41, 20] Operation: 4+16=20 Exploring Operation: 41+4=45, Resulting Numbers: [16, 45] Generated Node #0,1,3: 37:[16, 45] Operation: 41+4=45 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 37:[16, 37], Operations: ['96/6=16', '41-4=37'] Exploring Operation: 16*37=592, Resulting Numbers: [592] 592,37 unequal: No Solution Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,37 unequal: No Solution Exploring Operation: 16+37=53, Resulting Numbers: [53] 53,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 37:[41, 20], Operations: ['96/6=16', '4+16=20'] Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,37 unequal: No Solution Exploring Operation: 41+20=61, Resulting Numbers: [61] 61,37 unequal: No Solution Exploring Operation: 41*20=820, Resulting Numbers: [820] 820,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 37:[41, 12], Operations: ['96/6=16', '16-4=12'] Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,37 unequal: No Solution Exploring Operation: 41+12=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 41*12=492, Resulting Numbers: [492] 492,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 37:[16, 45], Operations: ['96/6=16', '41+4=45'] Exploring Operation: 16+45=61, Resulting Numbers: [61] 61,37 unequal: No Solution Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,37 unequal: No Solution Exploring Operation: 16*45=720, Resulting Numbers: [720] 720,37 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: 37:[96, 41, 24], Operations: ['6*4=24'] Exploring Operation: 96-24=72, Resulting Numbers: [41, 72] Generated Node #0,3,0: 37:[41, 72] Operation: 96-24=72 Exploring Operation: 96-41=55, Resulting Numbers: [24, 55] Generated Node #0,3,1: 37:[24, 55] Operation: 96-41=55 Exploring Operation: 96/24=4, Resulting Numbers: [41, 4] Generated Node #0,3,2: 37:[41, 4] Operation: 96/24=4 Exploring Operation: 41-24=17, Resulting Numbers: [96, 17] Generated Node #0,3,3: 37:[96, 17] Operation: 41-24=17 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 37:[24, 55], Operations: ['6*4=24', '96-41=55'] Exploring Operation: 24+55=79, Resulting Numbers: [79] 79,37 unequal: No Solution Exploring Operation: 24*55=1320, Resulting Numbers: [1320] 1320,37 unequal: No Solution Exploring Operation: 55-24=31, Resulting Numbers: [31] 31,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 37:[41, 4], Operations: ['6*4=24', '96/24=4'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[6, 96, 41, 4], Operations: [] Exploring Operation: 6*4=24, Resulting Numbers: [96, 41, 24] Generated Node #0,3: 37:[96, 41, 24] Operation: 6*4=24 Moving to Node #0,3 Current State: 37:[96, 41, 24], Operations: ['6*4=24'] Exploring Operation: 96/24=4, Resulting Numbers: [41, 4] Generated Node #0,3,2: 37:[41, 4] Operation: 96/24=4 Moving to Node #0,3,2 Current State: 37:[41, 4], Operations: ['6*4=24', '96/24=4'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
sum_heuristic
[ 57, 44, 89, 8 ]
40
[ "89-57=32", "32/8=4", "44-4=40" ]
Current State: 40:[57, 44, 89, 8], Operations: [] Exploring Operation: 89-57=32, Resulting Numbers: [44, 8, 32] Generated Node #2: [44, 8, 32] from Operation: 89-57=32 Current State: 40:[44, 8, 32], Operations: ['89-57=32'] Exploring Operation: 32/8=4, Resulting Numbers: [44, 4] Generated Node #3: [44, 4] from Operation: 32/8=4 Current State: 40:[44, 4], Operations: ['89-57=32', '32/8=4'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[57, 44, 89, 8], Operations: [] Exploring Operation: 89-57=32, Resulting Numbers: [44, 8, 32] Generated Node #0,0: 40:[44, 8, 32] Operation: 89-57=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[44, 8, 32], Operations: ['89-57=32'] Exploring Operation: 44-32=12, Resulting Numbers: [8, 12] Generated Node #0,0,0: 40:[8, 12] Operation: 44-32=12 Moving to Node #0,0,0 Current State: 40:[8, 12], Operations: ['89-57=32', '44-32=12'] Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,40 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
[ 2, 75, 26, 27 ]
11
[ "75-26=49", "49-27=22", "22/2=11" ]
Current State: 11:[2, 75, 26, 27], Operations: [] Exploring Operation: 75-26=49, Resulting Numbers: [2, 27, 49] Generated Node #2: [2, 27, 49] from Operation: 75-26=49 Current State: 11:[2, 27, 49], Operations: ['75-26=49'] Exploring Operation: 49-27=22, Resulting Numbers: [2, 22] Generated Node #3: [2, 22] from Operation: 49-27=22 Current State: 11:[2, 22], Operations: ['75-26=49', '49-27=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[2, 75, 26, 27], Operations: [] Exploring Operation: 26/2=13, Resulting Numbers: [75, 27, 13] Generated Node #0,0: 11:[75, 27, 13] Operation: 26/2=13 Exploring Operation: 75-27=48, Resulting Numbers: [2, 26, 48] Generated Node #0,1: 11:[2, 26, 48] Operation: 75-27=48 Exploring Operation: 75-26=49, Resulting Numbers: [2, 27, 49] Generated Node #0,2: 11:[2, 27, 49] Operation: 75-26=49 Exploring Operation: 27-26=1, Resulting Numbers: [2, 75, 1] Generated Node #0,3: 11:[2, 75, 1] Operation: 27-26=1 Exploring Operation: 75-2=73, Resulting Numbers: [26, 27, 73] Generated Node #0,4: 11:[26, 27, 73] Operation: 75-2=73 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[2, 26, 48], Operations: ['75-27=48'] Exploring Operation: 48-26=22, Resulting Numbers: [2, 22] Generated Node #0,1,0: 11:[2, 22] Operation: 48-26=22 Exploring Operation: 26/2=13, Resulting Numbers: [48, 13] Generated Node #0,1,1: 11:[48, 13] Operation: 26/2=13 Exploring Operation: 26-2=24, Resulting Numbers: [48, 24] Generated Node #0,1,2: 11:[48, 24] Operation: 26-2=24 Exploring Operation: 48-2=46, Resulting Numbers: [26, 46] Generated Node #0,1,3: 11:[26, 46] Operation: 48-2=46 Exploring Operation: 48/2=24, Resulting Numbers: [26, 24] Generated Node #0,1,4: 11:[26, 24] Operation: 48/2=24 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[2, 22], Operations: ['75-27=48', '48-26=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[2, 75, 26, 27], Operations: [] Exploring Operation: 75-27=48, Resulting Numbers: [2, 26, 48] Generated Node #0,1: 11:[2, 26, 48] Operation: 75-27=48 Moving to Node #0,1 Current State: 11:[2, 26, 48], Operations: ['75-27=48'] Exploring Operation: 48-26=22, Resulting Numbers: [2, 22] Generated Node #0,1,0: 11:[2, 22] Operation: 48-26=22 Moving to Node #0,1,0 Current State: 11:[2, 22], Operations: ['75-27=48', '48-26=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 67, 96, 87, 10 ]
98
[ "87-67=20", "20/10=2", "96+2=98" ]
Current State: 98:[67, 96, 87, 10], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [96, 10, 20] Generated Node #2: [96, 10, 20] from Operation: 87-67=20 Current State: 98:[96, 10, 20], Operations: ['87-67=20'] Exploring Operation: 20/10=2, Resulting Numbers: [96, 2] Generated Node #3: [96, 2] from Operation: 20/10=2 Current State: 98:[96, 2], Operations: ['87-67=20', '20/10=2'] Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[67, 96, 87, 10], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [96, 10, 20] Generated Node #0,0: 98:[96, 10, 20] Operation: 87-67=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[96, 10, 20], Operations: ['87-67=20'] Exploring Operation: 20/10=2, Resulting Numbers: [96, 2] Generated Node #0,0,0: 98:[96, 2] Operation: 20/10=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[96, 2], Operations: ['87-67=20', '20/10=2'] Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[67, 96, 87, 10], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [96, 10, 20] Generated Node #0,0: 98:[96, 10, 20] Operation: 87-67=20 Moving to Node #0,0 Current State: 98:[96, 10, 20], Operations: ['87-67=20'] Exploring Operation: 20/10=2, Resulting Numbers: [96, 2] Generated Node #0,0,0: 98:[96, 2] Operation: 20/10=2 Moving to Node #0,0,0 Current State: 98:[96, 2], Operations: ['87-67=20', '20/10=2'] Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 94, 92, 7, 54 ]
45
[ "94-92=2", "54-7=47", "47-2=45" ]
Current State: 45:[94, 92, 7, 54], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [7, 54, 2] Generated Node #2: [7, 54, 2] from Operation: 94-92=2 Current State: 45:[7, 54, 2], Operations: ['94-92=2'] Exploring Operation: 54-7=47, Resulting Numbers: [2, 47] Generated Node #3: [2, 47] from Operation: 54-7=47 Current State: 45:[2, 47], Operations: ['94-92=2', '54-7=47'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[94, 92, 7, 54], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [7, 54, 2] Generated Node #0,0: 45:[7, 54, 2] Operation: 94-92=2 Moving to Node #0,0 Current State: 45:[7, 54, 2], Operations: ['94-92=2'] Exploring Operation: 54-7=47, Resulting Numbers: [2, 47] Generated Node #0,0,0: 45:[2, 47] Operation: 54-7=47 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[2, 47], Operations: ['94-92=2', '54-7=47'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[94, 92, 7, 54], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [7, 54, 2] Generated Node #0,0: 45:[7, 54, 2] Operation: 94-92=2 Moving to Node #0,0 Current State: 45:[7, 54, 2], Operations: ['94-92=2'] Exploring Operation: 54-7=47, Resulting Numbers: [2, 47] Generated Node #0,0,0: 45:[2, 47] Operation: 54-7=47 Moving to Node #0,0,0 Current State: 45:[2, 47], Operations: ['94-92=2', '54-7=47'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 4, 52, 80, 88 ]
81
[ "80-52=28", "28/4=7", "88-7=81" ]
Current State: 81:[4, 52, 80, 88], Operations: [] Exploring Operation: 80-52=28, Resulting Numbers: [4, 88, 28] Generated Node #2: [4, 88, 28] from Operation: 80-52=28 Current State: 81:[4, 88, 28], Operations: ['80-52=28'] Exploring Operation: 28/4=7, Resulting Numbers: [88, 7] Generated Node #3: [88, 7] from Operation: 28/4=7 Current State: 81:[88, 7], Operations: ['80-52=28', '28/4=7'] Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[4, 52, 80, 88], Operations: [] Exploring Operation: 88-80=8, Resulting Numbers: [4, 52, 8] Generated Node #0,0: 81:[4, 52, 8] Operation: 88-80=8 Exploring Operation: 52/4=13, Resulting Numbers: [80, 88, 13] Generated Node #0,1: 81:[80, 88, 13] Operation: 52/4=13 Exploring Operation: 80-52=28, Resulting Numbers: [4, 88, 28] Generated Node #0,2: 81:[4, 88, 28] Operation: 80-52=28 Exploring Operation: 88-52=36, Resulting Numbers: [4, 80, 36] Generated Node #0,3: 81:[4, 80, 36] Operation: 88-52=36 Exploring Operation: 52-4=48, Resulting Numbers: [80, 88, 48] Generated Node #0,4: 81:[80, 88, 48] Operation: 52-4=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[4, 88, 28], Operations: ['80-52=28'] Exploring Operation: 88/4=22, Resulting Numbers: [28, 22] Generated Node #0,2,0: 81:[28, 22] Operation: 88/4=22 Exploring Operation: 4+88=92, Resulting Numbers: [28, 92] Generated Node #0,2,1: 81:[28, 92] Operation: 4+88=92 Exploring Operation: 28-4=24, Resulting Numbers: [88, 24] Generated Node #0,2,2: 81:[88, 24] Operation: 28-4=24 Exploring Operation: 88-4=84, Resulting Numbers: [28, 84] Generated Node #0,2,3: 81:[28, 84] Operation: 88-4=84 Exploring Operation: 28/4=7, Resulting Numbers: [88, 7] Generated Node #0,2,4: 81:[88, 7] Operation: 28/4=7 Moving to Node #0,2,3 Current State: 81:[28, 84], Operations: ['80-52=28', '88-4=84'] Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 28+84=112, Resulting Numbers: [112] 112,81 unequal: No Solution Exploring Operation: 28*84=2352, Resulting Numbers: [2352] 2352,81 unequal: No Solution Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,81 unequal: No Solution Moving to Node #0,2,0 Current State: 81:[28, 22], Operations: ['80-52=28', '88/4=22'] Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,81 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,81 unequal: No Solution Moving to Node #0,2,4 Current State: 81:[88, 7], Operations: ['80-52=28', '28/4=7'] Exploring Operation: 88+7=95, Resulting Numbers: [95] 95,81 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[4, 52, 80, 88], Operations: [] Exploring Operation: 80-52=28, Resulting Numbers: [4, 88, 28] Generated Node #0,2: 81:[4, 88, 28] Operation: 80-52=28 Moving to Node #0,2 Current State: 81:[4, 88, 28], Operations: ['80-52=28'] Exploring Operation: 28/4=7, Resulting Numbers: [88, 7] Generated Node #0,2,4: 81:[88, 7] Operation: 28/4=7 Moving to Node #0,2,4 Current State: 81:[88, 7], Operations: ['80-52=28', '28/4=7'] Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
mult_heuristic
[ 52, 29, 27, 8 ]
68
[ "29-27=2", "8*2=16", "52+16=68" ]
Current State: 68:[52, 29, 27, 8], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [52, 8, 2] Generated Node #2: [52, 8, 2] from Operation: 29-27=2 Current State: 68:[52, 8, 2], Operations: ['29-27=2'] Exploring Operation: 8*2=16, Resulting Numbers: [52, 16] Generated Node #3: [52, 16] from Operation: 8*2=16 Current State: 68:[52, 16], Operations: ['29-27=2', '8*2=16'] Exploring Operation: 52+16=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[52, 29, 27, 8], Operations: [] Exploring Operation: 52-29=23, Resulting Numbers: [27, 8, 23] Generated Node #0,0: 68:[27, 8, 23] Operation: 52-29=23 Exploring Operation: 52+27=79, Resulting Numbers: [29, 8, 79] Generated Node #0,1: 68:[29, 8, 79] Operation: 52+27=79 Exploring Operation: 52-27=25, Resulting Numbers: [29, 8, 25] Generated Node #0,2: 68:[29, 8, 25] Operation: 52-27=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[27, 8, 23], Operations: ['52-29=23'] Exploring Operation: 27+8=35, Resulting Numbers: [23, 35] Generated Node #0,0,0: 68:[23, 35] Operation: 27+8=35 Exploring Operation: 27-8=19, Resulting Numbers: [23, 19] Generated Node #0,0,1: 68:[23, 19] Operation: 27-8=19 Exploring Operation: 27-23=4, Resulting Numbers: [8, 4] Generated Node #0,0,2: 68:[8, 4] Operation: 27-23=4 Moving to Node #0,0,2 Current State: 68:[8, 4], Operations: ['52-29=23', '27-23=4'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[23, 35], Operations: ['52-29=23', '27+8=35'] Exploring Operation: 23*35=805, Resulting Numbers: [805] 805,68 unequal: No Solution Exploring Operation: 23+35=58, Resulting Numbers: [58] 58,68 unequal: No Solution Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[23, 19], Operations: ['52-29=23', '27-8=19'] Exploring Operation: 23+19=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 23*19=437, Resulting Numbers: [437] 437,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[29, 8, 25], Operations: ['52-27=25'] Exploring Operation: 25-8=17, Resulting Numbers: [29, 17] Generated Node #0,2,0: 68:[29, 17] Operation: 25-8=17 Exploring Operation: 8+25=33, Resulting Numbers: [29, 33] Generated Node #0,2,1: 68:[29, 33] Operation: 8+25=33 Exploring Operation: 29-25=4, Resulting Numbers: [8, 4] Generated Node #0,2,2: 68:[8, 4] Operation: 29-25=4 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 68:[8, 4], Operations: ['52-27=25', '29-25=4'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,68 unequal: No Solution No 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: 68:[29, 17], Operations: ['52-27=25', '25-8=17'] Exploring Operation: 29+17=46, Resulting Numbers: [46] 46,68 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 29*17=493, Resulting Numbers: [493] 493,68 unequal: No Solution No 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: 68:[29, 33], Operations: ['52-27=25', '8+25=33'] Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 29*33=957, Resulting Numbers: [957] 957,68 unequal: No Solution Exploring Operation: 29+33=62, Resulting Numbers: [62] 62,68 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: 68:[29, 8, 79], Operations: ['52+27=79'] Exploring Operation: 29-8=21, Resulting Numbers: [79, 21] Generated Node #0,1,0: 68:[79, 21] Operation: 29-8=21 Exploring Operation: 79-8=71, Resulting Numbers: [29, 71] Generated Node #0,1,1: 68:[29, 71] Operation: 79-8=71 Exploring Operation: 29+8=37, Resulting Numbers: [79, 37] Generated Node #0,1,2: 68:[79, 37] Operation: 29+8=37 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 68:[29, 71], Operations: ['52+27=79', '79-8=71'] Exploring Operation: 29+71=100, Resulting Numbers: [100] 100,68 unequal: No Solution Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 29*71=2059, Resulting Numbers: [2059] 2059,68 unequal: No Solution No 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: 68:[79, 37], Operations: ['52+27=79', '29+8=37'] Exploring Operation: 79+37=116, Resulting Numbers: [116] 116,68 unequal: No Solution Exploring Operation: 79-37=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 79*37=2923, Resulting Numbers: [2923] 2923,68 unequal: No Solution No 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: 68:[79, 21], Operations: ['52+27=79', '29-8=21'] Exploring Operation: 79*21=1659, Resulting Numbers: [1659] 1659,68 unequal: No Solution Exploring Operation: 79+21=100, Resulting Numbers: [100] 100,68 unequal: No Solution Exploring Operation: 79-21=58, Resulting Numbers: [58] 58,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 54, 8, 44, 36 ]
56
[ "54*8=432", "432/36=12", "44+12=56" ]
Current State: 56:[54, 8, 44, 36], Operations: [] Exploring Operation: 54*8=432, Resulting Numbers: [44, 36, 432] Generated Node #2: [44, 36, 432] from Operation: 54*8=432 Current State: 56:[44, 36, 432], Operations: ['54*8=432'] Exploring Operation: 432/36=12, Resulting Numbers: [44, 12] Generated Node #3: [44, 12] from Operation: 432/36=12 Current State: 56:[44, 12], Operations: ['54*8=432', '432/36=12'] Exploring Operation: 44+12=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[54, 8, 44, 36], Operations: [] Exploring Operation: 54-44=10, Resulting Numbers: [8, 36, 10] Generated Node #0,0: 56:[8, 36, 10] Operation: 54-44=10 Exploring Operation: 44-36=8, Resulting Numbers: [54, 8, 8] Generated Node #0,1: 56:[54, 8, 8] Operation: 44-36=8 Exploring Operation: 8+44=52, Resulting Numbers: [54, 36, 52] Generated Node #0,2: 56:[54, 36, 52] Operation: 8+44=52 Moving to Node #0,1 Current State: 56:[54, 8, 8], Operations: ['44-36=8'] Exploring Operation: 8/8=1, Resulting Numbers: [54, 1] Generated Node #0,1,0: 56:[54, 1] Operation: 8/8=1 Exploring Operation: 8+8=16, Resulting Numbers: [54, 16] Generated Node #0,1,1: 56:[54, 16] Operation: 8+8=16 Exploring Operation: 8-8=0, Resulting Numbers: [54, 0] Generated Node #0,1,2: 56:[54, 0] Operation: 8-8=0 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[54, 1], Operations: ['44-36=8', '8/8=1'] Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,56 unequal: No Solution Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,56 unequal: No Solution Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[54, 16], Operations: ['44-36=8', '8+8=16'] Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,56 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,56 unequal: No Solution Exploring Operation: 54*16=864, Resulting Numbers: [864] 864,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 56:[54, 0], Operations: ['44-36=8', '8-8=0'] Exploring Operation: 54+0=54, Resulting Numbers: [54] 54,56 unequal: No Solution Exploring Operation: 54-0=54, Resulting Numbers: [54] 54,56 unequal: No Solution Exploring Operation: 54*0=0, Resulting Numbers: [0] 0,56 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: 56:[8, 36, 10], Operations: ['54-44=10'] Exploring Operation: 36-8=28, Resulting Numbers: [10, 28] Generated Node #0,0,0: 56:[10, 28] Operation: 36-8=28 Exploring Operation: 36-10=26, Resulting Numbers: [8, 26] Generated Node #0,0,1: 56:[8, 26] Operation: 36-10=26 Exploring Operation: 10-8=2, Resulting Numbers: [36, 2] Generated Node #0,0,2: 56:[36, 2] Operation: 10-8=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[10, 28], Operations: ['54-44=10', '36-8=28'] Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 10*28=280, Resulting Numbers: [280] 280,56 unequal: No Solution Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[8, 26], Operations: ['54-44=10', '36-10=26'] Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,56 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 56:[36, 2], Operations: ['54-44=10', '10-8=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,56 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 56:[54, 36, 52], Operations: ['8+44=52'] Exploring Operation: 54-36=18, Resulting Numbers: [52, 18] Generated Node #0,2,0: 56:[52, 18] Operation: 54-36=18 Exploring Operation: 52-36=16, Resulting Numbers: [54, 16] Generated Node #0,2,1: 56:[54, 16] Operation: 52-36=16 Exploring Operation: 54-52=2, Resulting Numbers: [36, 2] Generated Node #0,2,2: 56:[36, 2] Operation: 54-52=2 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 56:[54, 16], Operations: ['8+44=52', '52-36=16'] Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,56 unequal: No Solution Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,56 unequal: No Solution Exploring Operation: 54*16=864, Resulting Numbers: [864] 864,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 56:[52, 18], Operations: ['8+44=52', '54-36=18'] Exploring Operation: 52*18=936, Resulting Numbers: [936] 936,56 unequal: No Solution Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,56 unequal: No Solution Exploring Operation: 52+18=70, Resulting Numbers: [70] 70,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 56:[36, 2], Operations: ['8+44=52', '54-52=2'] Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,56 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,56 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
[ 46, 11, 5, 57 ]
97
[ "46-11=35", "5+57=62", "35+62=97" ]
Current State: 97:[46, 11, 5, 57], Operations: [] Exploring Operation: 46-11=35, Resulting Numbers: [5, 57, 35] Generated Node #2: [5, 57, 35] from Operation: 46-11=35 Current State: 97:[5, 57, 35], Operations: ['46-11=35'] Exploring Operation: 5+57=62, Resulting Numbers: [35, 62] Generated Node #3: [35, 62] from Operation: 5+57=62 Current State: 97:[35, 62], Operations: ['46-11=35', '5+57=62'] Exploring Operation: 35+62=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[46, 11, 5, 57], Operations: [] Exploring Operation: 11*5=55, Resulting Numbers: [46, 57, 55] Generated Node #0,0: 97:[46, 57, 55] Operation: 11*5=55 Exploring Operation: 46+11=57, Resulting Numbers: [5, 57, 57] Generated Node #0,1: 97:[5, 57, 57] Operation: 46+11=57 Exploring Operation: 46+5=51, Resulting Numbers: [11, 57, 51] Generated Node #0,2: 97:[11, 57, 51] Operation: 46+5=51 Moving to Node #0,0 Current State: 97:[46, 57, 55], Operations: ['11*5=55'] Exploring Operation: 46+55=101, Resulting Numbers: [57, 101] Generated Node #0,0,0: 97:[57, 101] Operation: 46+55=101 Exploring Operation: 46+57=103, Resulting Numbers: [55, 103] Generated Node #0,0,1: 97:[55, 103] Operation: 46+57=103 Exploring Operation: 57+55=112, Resulting Numbers: [46, 112] Generated Node #0,0,2: 97:[46, 112] Operation: 57+55=112 Moving to Node #0,1 Current State: 97:[5, 57, 57], Operations: ['46+11=57'] Exploring Operation: 5+57=62, Resulting Numbers: [57, 62] Generated Node #0,1,0: 97:[57, 62] Operation: 5+57=62 Exploring Operation: 5+57=62, Resulting Numbers: [57, 62] Generated Node #0,1,1: 97:[57, 62] Operation: 5+57=62 Exploring Operation: 57-5=52, Resulting Numbers: [57, 52] Generated Node #0,1,2: 97:[57, 52] Operation: 57-5=52 Moving to Node #0,2 Current State: 97:[11, 57, 51], Operations: ['46+5=51'] Exploring Operation: 11+57=68, Resulting Numbers: [51, 68] Generated Node #0,2,0: 97:[51, 68] Operation: 11+57=68 Exploring Operation: 57-11=46, Resulting Numbers: [51, 46] Generated Node #0,2,1: 97:[51, 46] Operation: 57-11=46 Exploring Operation: 11+51=62, Resulting Numbers: [57, 62] Generated Node #0,2,2: 97:[57, 62] Operation: 11+51=62 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[51, 68], Operations: ['46+5=51', '11+57=68'] Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,97 unequal: No Solution Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,97 unequal: No Solution Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 97:[57, 62], Operations: ['46+5=51', '11+51=62'] Exploring Operation: 62-57=5, Resulting Numbers: [5] 5,97 unequal: No Solution Exploring Operation: 57+62=119, Resulting Numbers: [119] 119,97 unequal: No Solution Exploring Operation: 57*62=3534, Resulting Numbers: [3534] 3534,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[51, 46], Operations: ['46+5=51', '57-11=46'] Exploring Operation: 51*46=2346, Resulting Numbers: [2346] 2346,97 unequal: No Solution Exploring Operation: 51+46=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[46, 11, 5, 57], Operations: [] Exploring Operation: 46+5=51, Resulting Numbers: [11, 57, 51] Generated Node #0,2: 97:[11, 57, 51] Operation: 46+5=51 Moving to Node #0,2 Current State: 97:[11, 57, 51], Operations: ['46+5=51'] Exploring Operation: 57-11=46, Resulting Numbers: [51, 46] Generated Node #0,2,1: 97:[51, 46] Operation: 57-11=46 Moving to Node #0,2,1 Current State: 97:[51, 46], Operations: ['46+5=51', '57-11=46'] Exploring Operation: 51+46=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 43, 9, 78, 27 ]
32
[ "78-43=35", "27/9=3", "35-3=32" ]
Current State: 32:[43, 9, 78, 27], Operations: [] Exploring Operation: 78-43=35, Resulting Numbers: [9, 27, 35] Generated Node #2: [9, 27, 35] from Operation: 78-43=35 Current State: 32:[9, 27, 35], Operations: ['78-43=35'] Exploring Operation: 27/9=3, Resulting Numbers: [35, 3] Generated Node #3: [35, 3] from Operation: 27/9=3 Current State: 32:[35, 3], Operations: ['78-43=35', '27/9=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[43, 9, 78, 27], Operations: [] Exploring Operation: 78-43=35, Resulting Numbers: [9, 27, 35] Generated Node #0,0: 32:[9, 27, 35] Operation: 78-43=35 Exploring Operation: 78-27=51, Resulting Numbers: [43, 9, 51] Generated Node #0,1: 32:[43, 9, 51] Operation: 78-27=51 Moving to Node #0,0 Current State: 32:[9, 27, 35], Operations: ['78-43=35'] Exploring Operation: 35-27=8, Resulting Numbers: [9, 8] Generated Node #0,0,0: 32:[9, 8] Operation: 35-27=8 Exploring Operation: 27/9=3, Resulting Numbers: [35, 3] Generated Node #0,0,1: 32:[35, 3] Operation: 27/9=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[9, 8], Operations: ['78-43=35', '35-27=8'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[35, 3], Operations: ['78-43=35', '27/9=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[43, 9, 78, 27], Operations: [] Exploring Operation: 78-43=35, Resulting Numbers: [9, 27, 35] Generated Node #0,0: 32:[9, 27, 35] Operation: 78-43=35 Moving to Node #0,0 Current State: 32:[9, 27, 35], Operations: ['78-43=35'] Exploring Operation: 27/9=3, Resulting Numbers: [35, 3] Generated Node #0,0,1: 32:[35, 3] Operation: 27/9=3 Moving to Node #0,0,1 Current State: 32:[35, 3], Operations: ['78-43=35', '27/9=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 2, 34, 51, 3 ]
41
[ "34+51=85", "85-3=82", "82/2=41" ]
Current State: 41:[2, 34, 51, 3], Operations: [] Exploring Operation: 34+51=85, Resulting Numbers: [2, 3, 85] Generated Node #2: [2, 3, 85] from Operation: 34+51=85 Current State: 41:[2, 3, 85], Operations: ['34+51=85'] Exploring Operation: 85-3=82, Resulting Numbers: [2, 82] Generated Node #3: [2, 82] from Operation: 85-3=82 Current State: 41:[2, 82], Operations: ['34+51=85', '85-3=82'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[2, 34, 51, 3], Operations: [] Exploring Operation: 2+34=36, Resulting Numbers: [51, 3, 36] Generated Node #0,0: 41:[51, 3, 36] Operation: 2+34=36 Exploring Operation: 2+3=5, Resulting Numbers: [34, 51, 5] Generated Node #0,1: 41:[34, 51, 5] Operation: 2+3=5 Exploring Operation: 51-2=49, Resulting Numbers: [34, 3, 49] Generated Node #0,2: 41:[34, 3, 49] Operation: 51-2=49 Exploring Operation: 34+3=37, Resulting Numbers: [2, 51, 37] Generated Node #0,3: 41:[2, 51, 37] Operation: 34+3=37 Exploring Operation: 2*3=6, Resulting Numbers: [34, 51, 6] Generated Node #0,4: 41:[34, 51, 6] Operation: 2*3=6 Moving to Node #0,4 Current State: 41:[34, 51, 6], Operations: ['2*3=6'] Exploring Operation: 51+6=57, Resulting Numbers: [34, 57] Generated Node #0,4,0: 41:[34, 57] Operation: 51+6=57 Exploring Operation: 34-6=28, Resulting Numbers: [51, 28] Generated Node #0,4,1: 41:[51, 28] Operation: 34-6=28 Exploring Operation: 34+6=40, Resulting Numbers: [51, 40] Generated Node #0,4,2: 41:[51, 40] Operation: 34+6=40 Exploring Operation: 51-6=45, Resulting Numbers: [34, 45] Generated Node #0,4,3: 41:[34, 45] Operation: 51-6=45 Exploring Operation: 51-34=17, Resulting Numbers: [6, 17] Generated Node #0,4,4: 41:[6, 17] Operation: 51-34=17 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 41:[51, 40], Operations: ['2*3=6', '34+6=40'] Exploring Operation: 51+40=91, Resulting Numbers: [91] 91,41 unequal: No Solution Exploring Operation: 51*40=2040, Resulting Numbers: [2040] 2040,41 unequal: No Solution Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,41 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 #0,4,3 Current State: 41:[34, 45], Operations: ['2*3=6', '51-6=45'] Exploring Operation: 34+45=79, Resulting Numbers: [79] 79,41 unequal: No Solution Exploring Operation: 34*45=1530, Resulting Numbers: [1530] 1530,41 unequal: No Solution Exploring Operation: 45-34=11, Resulting Numbers: [11] 11,41 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 #0,4,0 Current State: 41:[34, 57], Operations: ['2*3=6', '51+6=57'] Exploring Operation: 34*57=1938, Resulting Numbers: [1938] 1938,41 unequal: No Solution Exploring Operation: 34+57=91, Resulting Numbers: [91] 91,41 unequal: No Solution Exploring Operation: 57-34=23, Resulting Numbers: [23] 23,41 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 #0,4,1 Current State: 41:[51, 28], Operations: ['2*3=6', '34-6=28'] Exploring Operation: 51+28=79, Resulting Numbers: [79] 79,41 unequal: No Solution Exploring Operation: 51-28=23, Resulting Numbers: [23] 23,41 unequal: No Solution Exploring Operation: 51*28=1428, Resulting Numbers: [1428] 1428,41 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 #0,4,4 Current State: 41:[6, 17], Operations: ['2*3=6', '51-34=17'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,41 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,41 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: 41:[34, 51, 5], Operations: ['2+3=5'] Exploring Operation: 34+5=39, Resulting Numbers: [51, 39] Generated Node #0,1,0: 41:[51, 39] Operation: 34+5=39 Exploring Operation: 51+5=56, Resulting Numbers: [34, 56] Generated Node #0,1,1: 41:[34, 56] Operation: 51+5=56 Exploring Operation: 51-5=46, Resulting Numbers: [34, 46] Generated Node #0,1,2: 41:[34, 46] Operation: 51-5=46 Exploring Operation: 51-34=17, Resulting Numbers: [5, 17] Generated Node #0,1,3: 41:[5, 17] Operation: 51-34=17 Exploring Operation: 34-5=29, Resulting Numbers: [51, 29] Generated Node #0,1,4: 41:[51, 29] Operation: 34-5=29 Moving to Node #0,3 Current State: 41:[2, 51, 37], Operations: ['34+3=37'] Exploring Operation: 51-2=49, Resulting Numbers: [37, 49] Generated Node #0,3,0: 41:[37, 49] Operation: 51-2=49 Exploring Operation: 2*37=74, Resulting Numbers: [51, 74] Generated Node #0,3,1: 41:[51, 74] Operation: 2*37=74 Exploring Operation: 2+37=39, Resulting Numbers: [51, 39] Generated Node #0,3,2: 41:[51, 39] Operation: 2+37=39 Exploring Operation: 37-2=35, Resulting Numbers: [51, 35] Generated Node #0,3,3: 41:[51, 35] Operation: 37-2=35 Exploring Operation: 2+51=53, Resulting Numbers: [37, 53] Generated Node #0,3,4: 41:[37, 53] Operation: 2+51=53 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 41:[37, 49], Operations: ['34+3=37', '51-2=49'] Exploring Operation: 37*49=1813, Resulting Numbers: [1813] 1813,41 unequal: No Solution Exploring Operation: 37+49=86, Resulting Numbers: [86] 86,41 unequal: No Solution Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,41 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 #0,3,2 Current State: 41:[51, 39], Operations: ['34+3=37', '2+37=39'] Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 51+39=90, Resulting Numbers: [90] 90,41 unequal: No Solution Exploring Operation: 51*39=1989, Resulting Numbers: [1989] 1989,41 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 #0,3,3 Current State: 41:[51, 35], Operations: ['34+3=37', '37-2=35'] Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 51*35=1785, Resulting Numbers: [1785] 1785,41 unequal: No Solution Exploring Operation: 51+35=86, Resulting Numbers: [86] 86,41 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 #0,3,4 Current State: 41:[37, 53], Operations: ['34+3=37', '2+51=53'] Exploring Operation: 37+53=90, Resulting Numbers: [90] 90,41 unequal: No Solution Exploring Operation: 37*53=1961, Resulting Numbers: [1961] 1961,41 unequal: No Solution Exploring Operation: 53-37=16, Resulting Numbers: [16] 16,41 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 #0,3,1 Current State: 41:[51, 74], Operations: ['34+3=37', '2*37=74'] Exploring Operation: 74-51=23, Resulting Numbers: [23] 23,41 unequal: No Solution Exploring Operation: 51*74=3774, Resulting Numbers: [3774] 3774,41 unequal: No Solution Exploring Operation: 51+74=125, Resulting Numbers: [125] 125,41 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: 41:[51, 3, 36], Operations: ['2+34=36'] Exploring Operation: 51+3=54, Resulting Numbers: [36, 54] Generated Node #0,0,0: 41:[36, 54] Operation: 51+3=54 Exploring Operation: 51/3=17, Resulting Numbers: [36, 17] Generated Node #0,0,1: 41:[36, 17] Operation: 51/3=17 Exploring Operation: 3+36=39, Resulting Numbers: [51, 39] Generated Node #0,0,2: 41:[51, 39] Operation: 3+36=39 Exploring Operation: 51-3=48, Resulting Numbers: [36, 48] Generated Node #0,0,3: 41:[36, 48] Operation: 51-3=48 Exploring Operation: 36-3=33, Resulting Numbers: [51, 33] Generated Node #0,0,4: 41:[51, 33] Operation: 36-3=33 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 41:[51, 39], Operations: ['2+34=36', '3+36=39'] Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 51+39=90, Resulting Numbers: [90] 90,41 unequal: No Solution Exploring Operation: 51*39=1989, Resulting Numbers: [1989] 1989,41 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 #0,0,3 Current State: 41:[36, 48], Operations: ['2+34=36', '51-3=48'] Exploring Operation: 36*48=1728, Resulting Numbers: [1728] 1728,41 unequal: No Solution Exploring Operation: 36+48=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 48-36=12, Resulting Numbers: [12] 12,41 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:[36, 54], Operations: ['2+34=36', '51+3=54'] Exploring Operation: 36+54=90, Resulting Numbers: [90] 90,41 unequal: No Solution Exploring Operation: 36*54=1944, Resulting Numbers: [1944] 1944,41 unequal: No Solution Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,41 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 #0,0,4 Current State: 41:[51, 33], Operations: ['2+34=36', '36-3=33'] Exploring Operation: 51*33=1683, Resulting Numbers: [1683] 1683,41 unequal: No Solution Exploring Operation: 51+33=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 51-33=18, Resulting Numbers: [18] 18,41 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 #0,0,1 Current State: 41:[36, 17], Operations: ['2+34=36', '51/3=17'] Exploring Operation: 36*17=612, Resulting Numbers: [612] 612,41 unequal: No Solution Exploring Operation: 36+17=53, Resulting Numbers: [53] 53,41 unequal: No Solution Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,41 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: 41:[34, 3, 49], Operations: ['51-2=49'] Exploring Operation: 49-34=15, Resulting Numbers: [3, 15] Generated Node #0,2,0: 41:[3, 15] Operation: 49-34=15 Exploring Operation: 34-3=31, Resulting Numbers: [49, 31] Generated Node #0,2,1: 41:[49, 31] Operation: 34-3=31 Exploring Operation: 34+3=37, Resulting Numbers: [49, 37] Generated Node #0,2,2: 41:[49, 37] Operation: 34+3=37 Exploring Operation: 49-3=46, Resulting Numbers: [34, 46] Generated Node #0,2,3: 41:[34, 46] Operation: 49-3=46 Exploring Operation: 3+49=52, Resulting Numbers: [34, 52] Generated Node #0,2,4: 41:[34, 52] Operation: 3+49=52 Moving to Node #0,1,0 Current State: 41:[51, 39], Operations: ['2+3=5', '34+5=39'] Exploring Operation: 51*39=1989, Resulting Numbers: [1989] 1989,41 unequal: No Solution Exploring Operation: 51+39=90, Resulting Numbers: [90] 90,41 unequal: No Solution Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[49, 37], Operations: ['51-2=49', '34+3=37'] Exploring Operation: 49+37=86, Resulting Numbers: [86] 86,41 unequal: No Solution Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 49*37=1813, Resulting Numbers: [1813] 1813,41 unequal: No Solution Moving to Node #0,2,3 Current State: 41:[34, 46], Operations: ['51-2=49', '49-3=46'] Exploring Operation: 34*46=1564, Resulting Numbers: [1564] 1564,41 unequal: No Solution Exploring Operation: 46-34=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 34+46=80, Resulting Numbers: [80] 80,41 unequal: No Solution Moving to Node #0,1,2 Current State: 41:[34, 46], Operations: ['2+3=5', '51-5=46'] Exploring Operation: 34*46=1564, Resulting Numbers: [1564] 1564,41 unequal: No Solution Exploring Operation: 34+46=80, Resulting Numbers: [80] 80,41 unequal: No Solution Exploring Operation: 46-34=12, Resulting Numbers: [12] 12,41 unequal: No Solution Moving to Node #0,2,4 Current State: 41:[34, 52], Operations: ['51-2=49', '3+49=52'] Exploring Operation: 34+52=86, Resulting Numbers: [86] 86,41 unequal: No Solution Exploring Operation: 34*52=1768, Resulting Numbers: [1768] 1768,41 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[49, 31], Operations: ['51-2=49', '34-3=31'] Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,41 unequal: No Solution Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,41 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[34, 56], Operations: ['2+3=5', '51+5=56'] Exploring Operation: 34*56=1904, Resulting Numbers: [1904] 1904,41 unequal: No Solution Exploring Operation: 34+56=90, Resulting Numbers: [90] 90,41 unequal: No Solution Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,41 unequal: No Solution Moving to Node #0,1,4 Current State: 41:[51, 29], Operations: ['2+3=5', '34-5=29'] Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,41 unequal: No Solution Exploring Operation: 51*29=1479, Resulting Numbers: [1479] 1479,41 unequal: No Solution Exploring Operation: 51+29=80, Resulting Numbers: [80] 80,41 unequal: No Solution Moving to Node #0,1,3 Current State: 41:[5, 17], Operations: ['2+3=5', '51-34=17'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,41 unequal: No Solution Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,41 unequal: No Solution Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[3, 15], Operations: ['51-2=49', '49-34=15'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,41 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,41 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,41 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 77, 86, 7, 2 ]
14
[ "86-77=9", "7-2=5", "9+5=14" ]
Current State: 14:[77, 86, 7, 2], Operations: [] Exploring Operation: 86-77=9, Resulting Numbers: [7, 2, 9] Generated Node #2: [7, 2, 9] from Operation: 86-77=9 Current State: 14:[7, 2, 9], Operations: ['86-77=9'] Exploring Operation: 7-2=5, Resulting Numbers: [9, 5] Generated Node #3: [9, 5] from Operation: 7-2=5 Current State: 14:[9, 5], Operations: ['86-77=9', '7-2=5'] Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[77, 86, 7, 2], Operations: [] Exploring Operation: 86-77=9, Resulting Numbers: [7, 2, 9] Generated Node #0,0: 14:[7, 2, 9] Operation: 86-77=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[7, 2, 9], Operations: ['86-77=9'] Exploring Operation: 9-7=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 14:[2, 2] Operation: 9-7=2 Moving to Node #0,0,0 Current State: 14:[2, 2], Operations: ['86-77=9', '9-7=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
mult_heuristic
[ 76, 49, 39, 73 ]
13
[ "76+49=125", "39+73=112", "125-112=13" ]
Current State: 13:[76, 49, 39, 73], Operations: [] Exploring Operation: 76+49=125, Resulting Numbers: [39, 73, 125] Generated Node #2: [39, 73, 125] from Operation: 76+49=125 Current State: 13:[39, 73, 125], Operations: ['76+49=125'] Exploring Operation: 39+73=112, Resulting Numbers: [125, 112] Generated Node #3: [125, 112] from Operation: 39+73=112 Current State: 13:[125, 112], Operations: ['76+49=125', '39+73=112'] Exploring Operation: 125-112=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[76, 49, 39, 73], Operations: [] Exploring Operation: 73-49=24, Resulting Numbers: [76, 39, 24] Generated Node #0,0: 13:[76, 39, 24] Operation: 73-49=24 Exploring Operation: 76-49=27, Resulting Numbers: [39, 73, 27] Generated Node #0,1: 13:[39, 73, 27] Operation: 76-49=27 Exploring Operation: 76-73=3, Resulting Numbers: [49, 39, 3] Generated Node #0,2: 13:[49, 39, 3] Operation: 76-73=3 Exploring Operation: 76-39=37, Resulting Numbers: [49, 73, 37] Generated Node #0,3: 13:[49, 73, 37] Operation: 76-39=37 Moving to Node #0,2 Current State: 13:[49, 39, 3], Operations: ['76-73=3'] Exploring Operation: 49-39=10, Resulting Numbers: [3, 10] Generated Node #0,2,0: 13:[3, 10] Operation: 49-39=10 Exploring Operation: 39/3=13, Resulting Numbers: [49, 13] Generated Node #0,2,1: 13:[49, 13] Operation: 39/3=13 Exploring Operation: 39-3=36, Resulting Numbers: [49, 36] Generated Node #0,2,2: 13:[49, 36] Operation: 39-3=36 Exploring Operation: 49-3=46, Resulting Numbers: [39, 46] Generated Node #0,2,3: 13:[39, 46] Operation: 49-3=46 Moving to Node #0,1 Current State: 13:[39, 73, 27], Operations: ['76-49=27'] Exploring Operation: 39-27=12, Resulting Numbers: [73, 12] Generated Node #0,1,0: 13:[73, 12] Operation: 39-27=12 Exploring Operation: 39+73=112, Resulting Numbers: [27, 112] Generated Node #0,1,1: 13:[27, 112] Operation: 39+73=112 Exploring Operation: 73-39=34, Resulting Numbers: [27, 34] Generated Node #0,1,2: 13:[27, 34] Operation: 73-39=34 Exploring Operation: 73-27=46, Resulting Numbers: [39, 46] Generated Node #0,1,3: 13:[39, 46] Operation: 73-27=46 Moving to Node #0,0 Current State: 13:[76, 39, 24], Operations: ['73-49=24'] Exploring Operation: 76-24=52, Resulting Numbers: [39, 52] Generated Node #0,0,0: 13:[39, 52] Operation: 76-24=52 Exploring Operation: 39-24=15, Resulting Numbers: [76, 15] Generated Node #0,0,1: 13:[76, 15] Operation: 39-24=15 Exploring Operation: 76-39=37, Resulting Numbers: [24, 37] Generated Node #0,0,2: 13:[24, 37] Operation: 76-39=37 Exploring Operation: 76+39=115, Resulting Numbers: [24, 115] Generated Node #0,0,3: 13:[24, 115] Operation: 76+39=115 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[24, 37], Operations: ['73-49=24', '76-39=37'] Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[76, 49, 39, 73], Operations: [] Exploring Operation: 73-49=24, Resulting Numbers: [76, 39, 24] Generated Node #0,0: 13:[76, 39, 24] Operation: 73-49=24 Moving to Node #0,0 Current State: 13:[76, 39, 24], Operations: ['73-49=24'] Exploring Operation: 76-39=37, Resulting Numbers: [24, 37] Generated Node #0,0,2: 13:[24, 37] Operation: 76-39=37 Moving to Node #0,0,2 Current State: 13:[24, 37], Operations: ['73-49=24', '76-39=37'] Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 80, 32, 49, 76 ]
21
[ "80-32=48", "76-49=27", "48-27=21" ]
Current State: 21:[80, 32, 49, 76], Operations: [] Exploring Operation: 80-32=48, Resulting Numbers: [49, 76, 48] Generated Node #2: [49, 76, 48] from Operation: 80-32=48 Current State: 21:[49, 76, 48], Operations: ['80-32=48'] Exploring Operation: 76-49=27, Resulting Numbers: [48, 27] Generated Node #3: [48, 27] from Operation: 76-49=27 Current State: 21:[48, 27], Operations: ['80-32=48', '76-49=27'] Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[80, 32, 49, 76], Operations: [] Exploring Operation: 76-49=27, Resulting Numbers: [80, 32, 27] Generated Node #0,0: 21:[80, 32, 27] Operation: 76-49=27 Exploring Operation: 80-76=4, Resulting Numbers: [32, 49, 4] Generated Node #0,1: 21:[32, 49, 4] Operation: 80-76=4 Exploring Operation: 80-49=31, Resulting Numbers: [32, 76, 31] Generated Node #0,2: 21:[32, 76, 31] Operation: 80-49=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[32, 49, 4], Operations: ['80-76=4'] Exploring Operation: 32/4=8, Resulting Numbers: [49, 8] Generated Node #0,1,0: 21:[49, 8] Operation: 32/4=8 Exploring Operation: 32-4=28, Resulting Numbers: [49, 28] Generated Node #0,1,1: 21:[49, 28] Operation: 32-4=28 Exploring Operation: 49-32=17, Resulting Numbers: [4, 17] Generated Node #0,1,2: 21:[4, 17] Operation: 49-32=17 Moving to Node #0,1,2 Current State: 21:[4, 17], Operations: ['80-76=4', '49-32=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[80, 32, 49, 76], Operations: [] Exploring Operation: 80-76=4, Resulting Numbers: [32, 49, 4] Generated Node #0,1: 21:[32, 49, 4] Operation: 80-76=4 Moving to Node #0,1 Current State: 21:[32, 49, 4], Operations: ['80-76=4'] Exploring Operation: 49-32=17, Resulting Numbers: [4, 17] Generated Node #0,1,2: 21:[4, 17] Operation: 49-32=17 Moving to Node #0,1,2 Current State: 21:[4, 17], Operations: ['80-76=4', '49-32=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 80, 10, 30, 42 ]
12
[ "42-10=32", "30*32=960", "960/80=12" ]
Current State: 12:[80, 10, 30, 42], Operations: [] Exploring Operation: 42-10=32, Resulting Numbers: [80, 30, 32] Generated Node #2: [80, 30, 32] from Operation: 42-10=32 Current State: 12:[80, 30, 32], Operations: ['42-10=32'] Exploring Operation: 30*32=960, Resulting Numbers: [80, 960] Generated Node #3: [80, 960] from Operation: 30*32=960 Current State: 12:[80, 960], Operations: ['42-10=32', '30*32=960'] Exploring Operation: 960/80=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[80, 10, 30, 42], Operations: [] Exploring Operation: 80-42=38, Resulting Numbers: [10, 30, 38] Generated Node #0,0: 12:[10, 30, 38] Operation: 80-42=38 Exploring Operation: 80/10=8, Resulting Numbers: [30, 42, 8] Generated Node #0,1: 12:[30, 42, 8] Operation: 80/10=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[10, 30, 38], Operations: ['80-42=38'] Exploring Operation: 38-30=8, Resulting Numbers: [10, 8] Generated Node #0,0,0: 12:[10, 8] Operation: 38-30=8 Exploring Operation: 30/10=3, Resulting Numbers: [38, 3] Generated Node #0,0,1: 12:[38, 3] Operation: 30/10=3 Moving to Node #0,0,0 Current State: 12:[10, 8], Operations: ['80-42=38', '38-30=8'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[38, 3], Operations: ['80-42=38', '30/10=3'] Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,12 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 Current State: 12:[30, 42, 8], Operations: ['80/10=8'] Exploring Operation: 30-8=22, Resulting Numbers: [42, 22] Generated Node #0,1,0: 12:[42, 22] Operation: 30-8=22 Exploring Operation: 42-30=12, Resulting Numbers: [8, 12] Generated Node #0,1,1: 12:[8, 12] Operation: 42-30=12 Moving to Node #0,1,1 Current State: 12:[8, 12], Operations: ['80/10=8', '42-30=12'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,12 unequal: No Solution Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[42, 22], Operations: ['80/10=8', '30-8=22'] Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 42+22=64, Resulting Numbers: [64] 64,12 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
[ 34, 4, 4, 64 ]
26
[ "4+4=8", "64/8=8", "34-8=26" ]
Current State: 26:[34, 4, 4, 64], Operations: [] Exploring Operation: 4+4=8, Resulting Numbers: [34, 64, 8] Generated Node #2: [34, 64, 8] from Operation: 4+4=8 Current State: 26:[34, 64, 8], Operations: ['4+4=8'] Exploring Operation: 64/8=8, Resulting Numbers: [34, 8] Generated Node #3: [34, 8] from Operation: 64/8=8 Current State: 26:[34, 8], Operations: ['4+4=8', '64/8=8'] Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[34, 4, 4, 64], Operations: [] Exploring Operation: 64/4=16, Resulting Numbers: [34, 4, 16] Generated Node #0,0: 26:[34, 4, 16] Operation: 64/4=16 Exploring Operation: 64-34=30, Resulting Numbers: [4, 4, 30] Generated Node #0,1: 26:[4, 4, 30] Operation: 64-34=30 Exploring Operation: 34-4=30, Resulting Numbers: [4, 64, 30] Generated Node #0,2: 26:[4, 64, 30] Operation: 34-4=30 Exploring Operation: 64/4=16, Resulting Numbers: [34, 4, 16] Generated Node #0,3: 26:[34, 4, 16] Operation: 64/4=16 Exploring Operation: 34-4=30, Resulting Numbers: [4, 64, 30] Generated Node #0,4: 26:[4, 64, 30] Operation: 34-4=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[4, 4, 30], Operations: ['64-34=30'] Exploring Operation: 4-4=0, Resulting Numbers: [30, 0] Generated Node #0,1,0: 26:[30, 0] Operation: 4-4=0 Exploring Operation: 4/4=1, Resulting Numbers: [30, 1] Generated Node #0,1,1: 26:[30, 1] Operation: 4/4=1 Exploring Operation: 30-4=26, Resulting Numbers: [4, 26] Generated Node #0,1,2: 26:[4, 26] Operation: 30-4=26 Exploring Operation: 4*4=16, Resulting Numbers: [30, 16] Generated Node #0,1,3: 26:[30, 16] Operation: 4*4=16 Exploring Operation: 30-4=26, Resulting Numbers: [4, 26] Generated Node #0,1,4: 26:[4, 26] Operation: 30-4=26 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 26:[4, 26], Operations: ['64-34=30', '30-4=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,26 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 26:[4, 26], Operations: ['64-34=30', '30-4=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,26 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 26:[30, 1], Operations: ['64-34=30', '4/4=1'] Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[30, 0], Operations: ['64-34=30', '4-4=0'] Exploring Operation: 30+0=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 30*0=0, Resulting Numbers: [0] 0,26 unequal: No Solution Exploring Operation: 30-0=30, Resulting Numbers: [30] 30,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 26:[30, 16], Operations: ['64-34=30', '4*4=16'] Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,26 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 30*16=480, Resulting Numbers: [480] 480,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[34, 4, 16], Operations: ['64/4=16'] Exploring Operation: 34-4=30, Resulting Numbers: [16, 30] Generated Node #0,0,0: 26:[16, 30] Operation: 34-4=30 Exploring Operation: 34-16=18, Resulting Numbers: [4, 18] Generated Node #0,0,1: 26:[4, 18] Operation: 34-16=18 Exploring Operation: 4+16=20, Resulting Numbers: [34, 20] Generated Node #0,0,2: 26:[34, 20] Operation: 4+16=20 Exploring Operation: 16/4=4, Resulting Numbers: [34, 4] Generated Node #0,0,3: 26:[34, 4] Operation: 16/4=4 Exploring Operation: 16-4=12, Resulting Numbers: [34, 12] Generated Node #0,0,4: 26:[34, 12] Operation: 16-4=12 Moving to Node #0,0,0 Current State: 26:[16, 30], Operations: ['64/4=16', '34-4=30'] Exploring Operation: 16*30=480, Resulting Numbers: [480] 480,26 unequal: No Solution Exploring Operation: 16+30=46, Resulting Numbers: [46] 46,26 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[4, 18], Operations: ['64/4=16', '34-16=18'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,26 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,26 unequal: No Solution Moving to Node #0,0,4 Current State: 26:[34, 12], Operations: ['64/4=16', '16-4=12'] Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,26 unequal: No Solution Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,26 unequal: No Solution Exploring Operation: 34*12=408, Resulting Numbers: [408] 408,26 unequal: No Solution Moving to Node #0,0,3 Current State: 26:[34, 4], Operations: ['64/4=16', '16/4=4'] Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 34*4=136, Resulting Numbers: [136] 136,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[34, 20], Operations: ['64/4=16', '4+16=20'] Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,26 unequal: No Solution Exploring Operation: 34*20=680, Resulting Numbers: [680] 680,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 26:[34, 4, 16], Operations: ['64/4=16'] Exploring Operation: 16-4=12, Resulting Numbers: [34, 12] Generated Node #0,3,0: 26:[34, 12] Operation: 16-4=12 Exploring Operation: 4+16=20, Resulting Numbers: [34, 20] Generated Node #0,3,1: 26:[34, 20] Operation: 4+16=20 Exploring Operation: 34-16=18, Resulting Numbers: [4, 18] Generated Node #0,3,2: 26:[4, 18] Operation: 34-16=18 Exploring Operation: 16/4=4, Resulting Numbers: [34, 4] Generated Node #0,3,3: 26:[34, 4] Operation: 16/4=4 Exploring Operation: 34-4=30, Resulting Numbers: [16, 30] Generated Node #0,3,4: 26:[16, 30] Operation: 34-4=30 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 26:[4, 18], Operations: ['64/4=16', '34-16=18'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,26 unequal: No Solution Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 26:[16, 30], Operations: ['64/4=16', '34-4=30'] Exploring Operation: 16*30=480, Resulting Numbers: [480] 480,26 unequal: No Solution Exploring Operation: 16+30=46, Resulting Numbers: [46] 46,26 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 26:[34, 12], Operations: ['64/4=16', '16-4=12'] Exploring Operation: 34*12=408, Resulting Numbers: [408] 408,26 unequal: No Solution Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,26 unequal: No Solution Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 26:[34, 4], Operations: ['64/4=16', '16/4=4'] Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 34*4=136, Resulting Numbers: [136] 136,26 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 26:[34, 20], Operations: ['64/4=16', '4+16=20'] Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,26 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 34*20=680, Resulting Numbers: [680] 680,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[4, 64, 30], Operations: ['34-4=30'] Exploring Operation: 30-4=26, Resulting Numbers: [64, 26] Generated Node #0,2,0: 26:[64, 26] Operation: 30-4=26 Exploring Operation: 4+64=68, Resulting Numbers: [30, 68] Generated Node #0,2,1: 26:[30, 68] Operation: 4+64=68 Exploring Operation: 64-30=34, Resulting Numbers: [4, 34] Generated Node #0,2,2: 26:[4, 34] Operation: 64-30=34 Exploring Operation: 64-4=60, Resulting Numbers: [30, 60] Generated Node #0,2,3: 26:[30, 60] Operation: 64-4=60 Exploring Operation: 64/4=16, Resulting Numbers: [30, 16] Generated Node #0,2,4: 26:[30, 16] Operation: 64/4=16 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 26:[30, 16], Operations: ['34-4=30', '64/4=16'] Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 30*16=480, Resulting Numbers: [480] 480,26 unequal: No Solution Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 26:[4, 34], Operations: ['34-4=30', '64-30=34'] Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 26:[64, 26], Operations: ['34-4=30', '30-4=26'] Exploring Operation: 64+26=90, Resulting Numbers: [90] 90,26 unequal: No Solution Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 64*26=1664, Resulting Numbers: [1664] 1664,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 26:[30, 60], Operations: ['34-4=30', '64-4=60'] Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 60/30=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 30+60=90, Resulting Numbers: [90] 90,26 unequal: No Solution Exploring Operation: 30*60=1800, Resulting Numbers: [1800] 1800,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 26:[30, 68], Operations: ['34-4=30', '4+64=68'] Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 30+68=98, Resulting Numbers: [98] 98,26 unequal: No Solution Exploring Operation: 30*68=2040, Resulting Numbers: [2040] 2040,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 26:[4, 64, 30], Operations: ['34-4=30'] Exploring Operation: 4+64=68, Resulting Numbers: [30, 68] Generated Node #0,4,0: 26:[30, 68] Operation: 4+64=68 Exploring Operation: 64-4=60, Resulting Numbers: [30, 60] Generated Node #0,4,1: 26:[30, 60] Operation: 64-4=60 Exploring Operation: 64/4=16, Resulting Numbers: [30, 16] Generated Node #0,4,2: 26:[30, 16] Operation: 64/4=16 Exploring Operation: 64-30=34, Resulting Numbers: [4, 34] Generated Node #0,4,3: 26:[4, 34] Operation: 64-30=34 Exploring Operation: 30-4=26, Resulting Numbers: [64, 26] Generated Node #0,4,4: 26:[64, 26] Operation: 30-4=26 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 26:[30, 16], Operations: ['34-4=30', '64/4=16'] Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,26 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 30*16=480, Resulting Numbers: [480] 480,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 26:[4, 34], Operations: ['34-4=30', '64-30=34'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 26:[30, 60], Operations: ['34-4=30', '64-4=60'] Exploring Operation: 60/30=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 30*60=1800, Resulting Numbers: [1800] 1800,26 unequal: No Solution Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 30+60=90, Resulting Numbers: [90] 90,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 26:[64, 26], Operations: ['34-4=30', '30-4=26'] Exploring Operation: 64*26=1664, Resulting Numbers: [1664] 1664,26 unequal: No Solution Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 64+26=90, Resulting Numbers: [90] 90,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 26:[30, 68], Operations: ['34-4=30', '4+64=68'] Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 30*68=2040, Resulting Numbers: [2040] 2040,26 unequal: No Solution Exploring Operation: 30+68=98, Resulting Numbers: [98] 98,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 34, 70, 32, 93 ]
89
[ "70-34=36", "32+93=125", "125-36=89" ]
Current State: 89:[34, 70, 32, 93], Operations: [] Exploring Operation: 70-34=36, Resulting Numbers: [32, 93, 36] Generated Node #2: [32, 93, 36] from Operation: 70-34=36 Current State: 89:[32, 93, 36], Operations: ['70-34=36'] Exploring Operation: 32+93=125, Resulting Numbers: [36, 125] Generated Node #3: [36, 125] from Operation: 32+93=125 Current State: 89:[36, 125], Operations: ['70-34=36', '32+93=125'] Exploring Operation: 125-36=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[34, 70, 32, 93], Operations: [] Exploring Operation: 70+32=102, Resulting Numbers: [34, 93, 102] Generated Node #0,0: 89:[34, 93, 102] Operation: 70+32=102 Exploring Operation: 34+32=66, Resulting Numbers: [70, 93, 66] Generated Node #0,1: 89:[70, 93, 66] Operation: 34+32=66 Moving to Node #0,1 Current State: 89:[70, 93, 66], Operations: ['34+32=66'] Exploring Operation: 70+66=136, Resulting Numbers: [93, 136] Generated Node #0,1,0: 89:[93, 136] Operation: 70+66=136 Exploring Operation: 93-66=27, Resulting Numbers: [70, 27] Generated Node #0,1,1: 89:[70, 27] Operation: 93-66=27 Moving to Node #0,0 Current State: 89:[34, 93, 102], Operations: ['70+32=102'] Exploring Operation: 93-34=59, Resulting Numbers: [102, 59] Generated Node #0,0,0: 89:[102, 59] Operation: 93-34=59 Exploring Operation: 102-34=68, Resulting Numbers: [93, 68] Generated Node #0,0,1: 89:[93, 68] Operation: 102-34=68 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[93, 68], Operations: ['70+32=102', '102-34=68'] Exploring Operation: 93+68=161, Resulting Numbers: [161] 161,89 unequal: No Solution Exploring Operation: 93-68=25, Resulting Numbers: [25] 25,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[102, 59], Operations: ['70+32=102', '93-34=59'] Exploring Operation: 102-59=43, Resulting Numbers: [43] 43,89 unequal: No Solution Exploring Operation: 102+59=161, Resulting Numbers: [161] 161,89 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: 89:[93, 136], Operations: ['34+32=66', '70+66=136'] Exploring Operation: 93+136=229, Resulting Numbers: [229] 229,89 unequal: No Solution Exploring Operation: 136-93=43, Resulting Numbers: [43] 43,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[70, 27], Operations: ['34+32=66', '93-66=27'] Exploring Operation: 70+27=97, Resulting Numbers: [97] 97,89 unequal: No Solution Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,89 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 46, 55, 12, 75 ]
54
[ "55-46=9", "75-12=63", "63-9=54" ]
Current State: 54:[46, 55, 12, 75], Operations: [] Exploring Operation: 55-46=9, Resulting Numbers: [12, 75, 9] Generated Node #2: [12, 75, 9] from Operation: 55-46=9 Current State: 54:[12, 75, 9], Operations: ['55-46=9'] Exploring Operation: 75-12=63, Resulting Numbers: [9, 63] Generated Node #3: [9, 63] from Operation: 75-12=63 Current State: 54:[9, 63], Operations: ['55-46=9', '75-12=63'] Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[46, 55, 12, 75], Operations: [] Exploring Operation: 75-12=63, Resulting Numbers: [46, 55, 63] Generated Node #0,0: 54:[46, 55, 63] Operation: 75-12=63 Exploring Operation: 75-46=29, Resulting Numbers: [55, 12, 29] Generated Node #0,1: 54:[55, 12, 29] Operation: 75-46=29 Exploring Operation: 55-46=9, Resulting Numbers: [12, 75, 9] Generated Node #0,2: 54:[12, 75, 9] Operation: 55-46=9 Exploring Operation: 46+12=58, Resulting Numbers: [55, 75, 58] Generated Node #0,3: 54:[55, 75, 58] Operation: 46+12=58 Exploring Operation: 75-55=20, Resulting Numbers: [46, 12, 20] Generated Node #0,4: 54:[46, 12, 20] Operation: 75-55=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[55, 12, 29], Operations: ['75-46=29'] Exploring Operation: 12+29=41, Resulting Numbers: [55, 41] Generated Node #0,1,0: 54:[55, 41] Operation: 12+29=41 Exploring Operation: 55-29=26, Resulting Numbers: [12, 26] Generated Node #0,1,1: 54:[12, 26] Operation: 55-29=26 Exploring Operation: 55+12=67, Resulting Numbers: [29, 67] Generated Node #0,1,2: 54:[29, 67] Operation: 55+12=67 Exploring Operation: 29-12=17, Resulting Numbers: [55, 17] Generated Node #0,1,3: 54:[55, 17] Operation: 29-12=17 Exploring Operation: 55-12=43, Resulting Numbers: [29, 43] Generated Node #0,1,4: 54:[29, 43] Operation: 55-12=43 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 54:[55, 17], Operations: ['75-46=29', '29-12=17'] Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,54 unequal: No Solution Exploring Operation: 55*17=935, Resulting Numbers: [935] 935,54 unequal: No Solution Exploring Operation: 55+17=72, Resulting Numbers: [72] 72,54 unequal: No Solution No 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: 54:[12, 26], Operations: ['75-46=29', '55-29=26'] Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,54 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 54:[29, 43], Operations: ['75-46=29', '55-12=43'] Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 29+43=72, Resulting Numbers: [72] 72,54 unequal: No Solution Exploring Operation: 29*43=1247, Resulting Numbers: [1247] 1247,54 unequal: No Solution No 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: 54:[55, 41], Operations: ['75-46=29', '12+29=41'] Exploring Operation: 55+41=96, Resulting Numbers: [96] 96,54 unequal: No Solution Exploring Operation: 55-41=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 55*41=2255, Resulting Numbers: [2255] 2255,54 unequal: No Solution No 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: 54:[29, 67], Operations: ['75-46=29', '55+12=67'] Exploring Operation: 67-29=38, Resulting Numbers: [38] 38,54 unequal: No Solution Exploring Operation: 29*67=1943, Resulting Numbers: [1943] 1943,54 unequal: No Solution Exploring Operation: 29+67=96, Resulting Numbers: [96] 96,54 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: 54:[46, 12, 20], Operations: ['75-55=20'] Exploring Operation: 46+12=58, Resulting Numbers: [20, 58] Generated Node #0,4,0: 54:[20, 58] Operation: 46+12=58 Exploring Operation: 12+20=32, Resulting Numbers: [46, 32] Generated Node #0,4,1: 54:[46, 32] Operation: 12+20=32 Exploring Operation: 46-20=26, Resulting Numbers: [12, 26] Generated Node #0,4,2: 54:[12, 26] Operation: 46-20=26 Exploring Operation: 46-12=34, Resulting Numbers: [20, 34] Generated Node #0,4,3: 54:[20, 34] Operation: 46-12=34 Exploring Operation: 20-12=8, Resulting Numbers: [46, 8] Generated Node #0,4,4: 54:[46, 8] Operation: 20-12=8 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 54:[12, 26], Operations: ['75-55=20', '46-20=26'] Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,54 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,54 unequal: No Solution No 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: 54:[20, 58], Operations: ['75-55=20', '46+12=58'] Exploring Operation: 20+58=78, Resulting Numbers: [78] 78,54 unequal: No Solution Exploring Operation: 20*58=1160, Resulting Numbers: [1160] 1160,54 unequal: No Solution Exploring Operation: 58-20=38, Resulting Numbers: [38] 38,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 54:[20, 34], Operations: ['75-55=20', '46-12=34'] Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 20*34=680, Resulting Numbers: [680] 680,54 unequal: No Solution Exploring Operation: 20+34=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[46, 55, 12, 75], Operations: [] Exploring Operation: 75-55=20, Resulting Numbers: [46, 12, 20] Generated Node #0,4: 54:[46, 12, 20] Operation: 75-55=20 Moving to Node #0,4 Current State: 54:[46, 12, 20], Operations: ['75-55=20'] Exploring Operation: 46-12=34, Resulting Numbers: [20, 34] Generated Node #0,4,3: 54:[20, 34] Operation: 46-12=34 Moving to Node #0,4,3 Current State: 54:[20, 34], Operations: ['75-55=20', '46-12=34'] Exploring Operation: 20+34=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.962674
hs_5
mult_heuristic
[ 95, 44, 13, 48 ]
80
[ "95*48=4560", "44+13=57", "4560/57=80" ]
Current State: 80:[95, 44, 13, 48], Operations: [] Exploring Operation: 95*48=4560, Resulting Numbers: [44, 13, 4560] Generated Node #2: [44, 13, 4560] from Operation: 95*48=4560 Current State: 80:[44, 13, 4560], Operations: ['95*48=4560'] Exploring Operation: 44+13=57, Resulting Numbers: [4560, 57] Generated Node #3: [4560, 57] from Operation: 44+13=57 Current State: 80:[4560, 57], Operations: ['95*48=4560', '44+13=57'] Exploring Operation: 4560/57=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[95, 44, 13, 48], Operations: [] Exploring Operation: 48-13=35, Resulting Numbers: [95, 44, 35] Generated Node #0,0: 80:[95, 44, 35] Operation: 48-13=35 Exploring Operation: 95-48=47, Resulting Numbers: [44, 13, 47] Generated Node #0,1: 80:[44, 13, 47] Operation: 95-48=47 Exploring Operation: 95-44=51, Resulting Numbers: [13, 48, 51] Generated Node #0,2: 80:[13, 48, 51] Operation: 95-44=51 Exploring Operation: 95-13=82, Resulting Numbers: [44, 48, 82] Generated Node #0,3: 80:[44, 48, 82] Operation: 95-13=82 Exploring Operation: 48-44=4, Resulting Numbers: [95, 13, 4] Generated Node #0,4: 80:[95, 13, 4] Operation: 48-44=4 Moving to Node #0,1 Current State: 80:[44, 13, 47], Operations: ['95-48=47'] Exploring Operation: 47-44=3, Resulting Numbers: [13, 3] Generated Node #0,1,0: 80:[13, 3] Operation: 47-44=3 Exploring Operation: 44+47=91, Resulting Numbers: [13, 91] Generated Node #0,1,1: 80:[13, 91] Operation: 44+47=91 Exploring Operation: 44+13=57, Resulting Numbers: [47, 57] Generated Node #0,1,2: 80:[47, 57] Operation: 44+13=57 Exploring Operation: 44-13=31, Resulting Numbers: [47, 31] Generated Node #0,1,3: 80:[47, 31] Operation: 44-13=31 Exploring Operation: 47-13=34, Resulting Numbers: [44, 34] Generated Node #0,1,4: 80:[44, 34] Operation: 47-13=34 Moving to Node #0,3 Current State: 80:[44, 48, 82], Operations: ['95-13=82'] Exploring Operation: 44+48=92, Resulting Numbers: [82, 92] Generated Node #0,3,0: 80:[82, 92] Operation: 44+48=92 Exploring Operation: 48-44=4, Resulting Numbers: [82, 4] Generated Node #0,3,1: 80:[82, 4] Operation: 48-44=4 Exploring Operation: 82-44=38, Resulting Numbers: [48, 38] Generated Node #0,3,2: 80:[48, 38] Operation: 82-44=38 Exploring Operation: 44+82=126, Resulting Numbers: [48, 126] Generated Node #0,3,3: 80:[48, 126] Operation: 44+82=126 Exploring Operation: 82-48=34, Resulting Numbers: [44, 34] Generated Node #0,3,4: 80:[44, 34] Operation: 82-48=34 Moving to Node #0,4 Current State: 80:[95, 13, 4], Operations: ['48-44=4'] Exploring Operation: 13+4=17, Resulting Numbers: [95, 17] Generated Node #0,4,0: 80:[95, 17] Operation: 13+4=17 Exploring Operation: 95+4=99, Resulting Numbers: [13, 99] Generated Node #0,4,1: 80:[13, 99] Operation: 95+4=99 Exploring Operation: 13-4=9, Resulting Numbers: [95, 9] Generated Node #0,4,2: 80:[95, 9] Operation: 13-4=9 Exploring Operation: 95-4=91, Resulting Numbers: [13, 91] Generated Node #0,4,3: 80:[13, 91] Operation: 95-4=91 Exploring Operation: 95-13=82, Resulting Numbers: [4, 82] Generated Node #0,4,4: 80:[4, 82] Operation: 95-13=82 Moving to Node #0,2 Current State: 80:[13, 48, 51], Operations: ['95-44=51'] Exploring Operation: 51-13=38, Resulting Numbers: [48, 38] Generated Node #0,2,0: 80:[48, 38] Operation: 51-13=38 Exploring Operation: 48-13=35, Resulting Numbers: [51, 35] Generated Node #0,2,1: 80:[51, 35] Operation: 48-13=35 Exploring Operation: 13+51=64, Resulting Numbers: [48, 64] Generated Node #0,2,2: 80:[48, 64] Operation: 13+51=64 Exploring Operation: 51-48=3, Resulting Numbers: [13, 3] Generated Node #0,2,3: 80:[13, 3] Operation: 51-48=3 Exploring Operation: 48+51=99, Resulting Numbers: [13, 99] Generated Node #0,2,4: 80:[13, 99] Operation: 48+51=99 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 80:[13, 3], Operations: ['95-44=51', '51-48=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,80 unequal: No Solution Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 80:[48, 38], Operations: ['95-44=51', '51-13=38'] Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,80 unequal: No Solution Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,80 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 80:[51, 35], Operations: ['95-44=51', '48-13=35'] Exploring Operation: 51+35=86, Resulting Numbers: [86] 86,80 unequal: No Solution Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 51*35=1785, Resulting Numbers: [1785] 1785,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 80:[13, 99], Operations: ['95-44=51', '48+51=99'] Exploring Operation: 13*99=1287, Resulting Numbers: [1287] 1287,80 unequal: No Solution Exploring Operation: 99-13=86, Resulting Numbers: [86] 86,80 unequal: No Solution Exploring Operation: 13+99=112, Resulting Numbers: [112] 112,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 80:[48, 64], Operations: ['95-44=51', '13+51=64'] Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 48+64=112, Resulting Numbers: [112] 112,80 unequal: No Solution Exploring Operation: 48*64=3072, Resulting Numbers: [3072] 3072,80 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: 80:[95, 44, 35], Operations: ['48-13=35'] Exploring Operation: 95+35=130, Resulting Numbers: [44, 130] Generated Node #0,0,0: 80:[44, 130] Operation: 95+35=130 Exploring Operation: 44-35=9, Resulting Numbers: [95, 9] Generated Node #0,0,1: 80:[95, 9] Operation: 44-35=9 Exploring Operation: 95-44=51, Resulting Numbers: [35, 51] Generated Node #0,0,2: 80:[35, 51] Operation: 95-44=51 Exploring Operation: 44+35=79, Resulting Numbers: [95, 79] Generated Node #0,0,3: 80:[95, 79] Operation: 44+35=79 Exploring Operation: 95-35=60, Resulting Numbers: [44, 60] Generated Node #0,0,4: 80:[44, 60] Operation: 95-35=60 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[95, 9], Operations: ['48-13=35', '44-35=9'] Exploring Operation: 95*9=855, Resulting Numbers: [855] 855,80 unequal: No Solution Exploring Operation: 95-9=86, Resulting Numbers: [86] 86,80 unequal: No Solution Exploring Operation: 95+9=104, Resulting Numbers: [104] 104,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 80:[35, 51], Operations: ['48-13=35', '95-44=51'] Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 35*51=1785, Resulting Numbers: [1785] 1785,80 unequal: No Solution Exploring Operation: 35+51=86, Resulting Numbers: [86] 86,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 80:[95, 79], Operations: ['48-13=35', '44+35=79'] Exploring Operation: 95-79=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 95+79=174, Resulting Numbers: [174] 174,80 unequal: No Solution Exploring Operation: 95*79=7505, Resulting Numbers: [7505] 7505,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 80:[44, 60], Operations: ['48-13=35', '95-35=60'] Exploring Operation: 44+60=104, Resulting Numbers: [104] 104,80 unequal: No Solution Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 44*60=2640, Resulting Numbers: [2640] 2640,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[44, 130], Operations: ['48-13=35', '95+35=130'] Exploring Operation: 44*130=5720, Resulting Numbers: [5720] 5720,80 unequal: No Solution Exploring Operation: 44+130=174, Resulting Numbers: [174] 174,80 unequal: No Solution Exploring Operation: 130-44=86, Resulting Numbers: [86] 86,80 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: 80:[82, 4], Operations: ['95-13=82', '48-44=4'] Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,80 unequal: No Solution Exploring Operation: 82*4=328, Resulting Numbers: [328] 328,80 unequal: No Solution Exploring Operation: 82+4=86, Resulting Numbers: [86] 86,80 unequal: No Solution Moving to Node #0,4,4 Current State: 80:[4, 82], Operations: ['48-44=4', '95-13=82'] Exploring Operation: 4*82=328, Resulting Numbers: [328] 328,80 unequal: No Solution Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,80 unequal: No Solution Exploring Operation: 4+82=86, Resulting Numbers: [86] 86,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[13, 3], Operations: ['95-48=47', '47-44=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,80 unequal: No Solution Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,80 unequal: No Solution Moving to Node #0,3,2 Current State: 80:[48, 38], Operations: ['95-13=82', '82-44=38'] Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,80 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,80 unequal: No Solution Moving to Node #0,1,4 Current State: 80:[44, 34], Operations: ['95-48=47', '47-13=34'] Exploring Operation: 44+34=78, Resulting Numbers: [78] 78,80 unequal: No Solution Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 44*34=1496, Resulting Numbers: [1496] 1496,80 unequal: No Solution Moving to Node #0,3,4 Current State: 80:[44, 34], Operations: ['95-13=82', '82-48=34'] Exploring Operation: 44*34=1496, Resulting Numbers: [1496] 1496,80 unequal: No Solution Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 44+34=78, Resulting Numbers: [78] 78,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[13, 91], Operations: ['95-48=47', '44+47=91'] Exploring Operation: 13+91=104, Resulting Numbers: [104] 104,80 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,80 unequal: No Solution Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,80 unequal: No Solution Exploring Operation: 13*91=1183, Resulting Numbers: [1183] 1183,80 unequal: No Solution Moving to Node #0,4,3 Current State: 80:[13, 91], Operations: ['48-44=4', '95-4=91'] Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,80 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,80 unequal: No Solution Exploring Operation: 13*91=1183, Resulting Numbers: [1183] 1183,80 unequal: No Solution Exploring Operation: 13+91=104, Resulting Numbers: [104] 104,80 unequal: No Solution Moving to Node #0,3,0 Current State: 80:[82, 92], Operations: ['95-13=82', '44+48=92'] Exploring Operation: 82*92=7544, Resulting Numbers: [7544] 7544,80 unequal: No Solution Exploring Operation: 82+92=174, Resulting Numbers: [174] 174,80 unequal: No Solution Exploring Operation: 92-82=10, Resulting Numbers: [10] 10,80 unequal: No Solution Moving to Node #0,4,2 Current State: 80:[95, 9], Operations: ['48-44=4', '13-4=9'] Exploring Operation: 95-9=86, Resulting Numbers: [86] 86,80 unequal: No Solution Exploring Operation: 95+9=104, Resulting Numbers: [104] 104,80 unequal: No Solution Exploring Operation: 95*9=855, Resulting Numbers: [855] 855,80 unequal: No Solution Moving to Node #0,4,0 Current State: 80:[95, 17], Operations: ['48-44=4', '13+4=17'] Exploring Operation: 95+17=112, Resulting Numbers: [112] 112,80 unequal: No Solution Exploring Operation: 95-17=78, Resulting Numbers: [78] 78,80 unequal: No Solution Exploring Operation: 95*17=1615, Resulting Numbers: [1615] 1615,80 unequal: No Solution Moving to Node #0,1,3 Current State: 80:[47, 31], Operations: ['95-48=47', '44-13=31'] Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 47*31=1457, Resulting Numbers: [1457] 1457,80 unequal: No Solution Exploring Operation: 47+31=78, Resulting Numbers: [78] 78,80 unequal: No Solution Moving to Node #0,4,1 Current State: 80:[13, 99], Operations: ['48-44=4', '95+4=99'] Exploring Operation: 13*99=1287, Resulting Numbers: [1287] 1287,80 unequal: No Solution Exploring Operation: 13+99=112, Resulting Numbers: [112] 112,80 unequal: No Solution Exploring Operation: 99-13=86, Resulting Numbers: [86] 86,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[47, 57], Operations: ['95-48=47', '44+13=57'] Exploring Operation: 47+57=104, Resulting Numbers: [104] 104,80 unequal: No Solution Exploring Operation: 57-47=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 47*57=2679, Resulting Numbers: [2679] 2679,80 unequal: No Solution Moving to Node #0,3,3 Current State: 80:[48, 126], Operations: ['95-13=82', '44+82=126'] Exploring Operation: 48+126=174, Resulting Numbers: [174] 174,80 unequal: No Solution Exploring Operation: 48*126=6048, Resulting Numbers: [6048] 6048,80 unequal: No Solution Exploring Operation: 126-48=78, Resulting Numbers: [78] 78,80 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 37, 20, 25, 94 ]
27
[ "94-20=74", "74/37=2", "25+2=27" ]
Current State: 27:[37, 20, 25, 94], Operations: [] Exploring Operation: 94-20=74, Resulting Numbers: [37, 25, 74] Generated Node #2: [37, 25, 74] from Operation: 94-20=74 Current State: 27:[37, 25, 74], Operations: ['94-20=74'] Exploring Operation: 74/37=2, Resulting Numbers: [25, 2] Generated Node #3: [25, 2] from Operation: 74/37=2 Current State: 27:[25, 2], Operations: ['94-20=74', '74/37=2'] Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[37, 20, 25, 94], Operations: [] Exploring Operation: 37-20=17, Resulting Numbers: [25, 94, 17] Generated Node #0,0: 27:[25, 94, 17] Operation: 37-20=17 Exploring Operation: 94-25=69, Resulting Numbers: [37, 20, 69] Generated Node #0,1: 27:[37, 20, 69] Operation: 94-25=69 Exploring Operation: 94-37=57, Resulting Numbers: [20, 25, 57] Generated Node #0,2: 27:[20, 25, 57] Operation: 94-37=57 Exploring Operation: 94-20=74, Resulting Numbers: [37, 25, 74] Generated Node #0,3: 27:[37, 25, 74] Operation: 94-20=74 Exploring Operation: 37-25=12, Resulting Numbers: [20, 94, 12] Generated Node #0,4: 27:[20, 94, 12] Operation: 37-25=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[20, 25, 57], Operations: ['94-37=57'] Exploring Operation: 57-25=32, Resulting Numbers: [20, 32] Generated Node #0,2,0: 27:[20, 32] Operation: 57-25=32 Exploring Operation: 57-20=37, Resulting Numbers: [25, 37] Generated Node #0,2,1: 27:[25, 37] Operation: 57-20=37 Exploring Operation: 20+25=45, Resulting Numbers: [57, 45] Generated Node #0,2,2: 27:[57, 45] Operation: 20+25=45 Exploring Operation: 20+57=77, Resulting Numbers: [25, 77] Generated Node #0,2,3: 27:[25, 77] Operation: 20+57=77 Exploring Operation: 25-20=5, Resulting Numbers: [57, 5] Generated Node #0,2,4: 27:[57, 5] Operation: 25-20=5 Moving to Node #0,2,0 Current State: 27:[20, 32], Operations: ['94-37=57', '57-25=32'] Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[25, 37], Operations: ['94-37=57', '57-20=37'] Exploring Operation: 25*37=925, Resulting Numbers: [925] 925,27 unequal: No Solution Exploring Operation: 25+37=62, Resulting Numbers: [62] 62,27 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,27 unequal: No Solution Moving to Node #0,2,4 Current State: 27:[57, 5], Operations: ['94-37=57', '25-20=5'] Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,27 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[57, 45], Operations: ['94-37=57', '20+25=45'] Exploring Operation: 57-45=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 57*45=2565, Resulting Numbers: [2565] 2565,27 unequal: No Solution Exploring Operation: 57+45=102, Resulting Numbers: [102] 102,27 unequal: No Solution Moving to Node #0,2,3 Current State: 27:[25, 77], Operations: ['94-37=57', '20+57=77'] Exploring Operation: 77-25=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 25+77=102, Resulting Numbers: [102] 102,27 unequal: No Solution Exploring Operation: 25*77=1925, Resulting Numbers: [1925] 1925,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[37, 20, 69], Operations: ['94-25=69'] Exploring Operation: 37+20=57, Resulting Numbers: [69, 57] Generated Node #0,1,0: 27:[69, 57] Operation: 37+20=57 Exploring Operation: 69-20=49, Resulting Numbers: [37, 49] Generated Node #0,1,1: 27:[37, 49] Operation: 69-20=49 Exploring Operation: 37-20=17, Resulting Numbers: [69, 17] Generated Node #0,1,2: 27:[69, 17] Operation: 37-20=17 Exploring Operation: 69-37=32, Resulting Numbers: [20, 32] Generated Node #0,1,3: 27:[20, 32] Operation: 69-37=32 Exploring Operation: 20+69=89, Resulting Numbers: [37, 89] Generated Node #0,1,4: 27:[37, 89] Operation: 20+69=89 Moving to Node #0,1,3 Current State: 27:[20, 32], Operations: ['94-25=69', '69-37=32'] Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,27 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[37, 49], Operations: ['94-25=69', '69-20=49'] Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 37*49=1813, Resulting Numbers: [1813] 1813,27 unequal: No Solution Exploring Operation: 37+49=86, Resulting Numbers: [86] 86,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[69, 17], Operations: ['94-25=69', '37-20=17'] Exploring Operation: 69*17=1173, Resulting Numbers: [1173] 1173,27 unequal: No Solution Exploring Operation: 69-17=52, Resulting Numbers: [52] 52,27 unequal: No Solution Exploring Operation: 69+17=86, Resulting Numbers: [86] 86,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[69, 57], Operations: ['94-25=69', '37+20=57'] Exploring Operation: 69-57=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 69*57=3933, Resulting Numbers: [3933] 3933,27 unequal: No Solution Exploring Operation: 69+57=126, Resulting Numbers: [126] 126,27 unequal: No Solution Moving to Node #0,1,4 Current State: 27:[37, 89], Operations: ['94-25=69', '20+69=89'] Exploring Operation: 37*89=3293, Resulting Numbers: [3293] 3293,27 unequal: No Solution Exploring Operation: 37+89=126, Resulting Numbers: [126] 126,27 unequal: No Solution Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 27:[37, 25, 74], Operations: ['94-20=74'] Exploring Operation: 74-25=49, Resulting Numbers: [37, 49] Generated Node #0,3,0: 27:[37, 49] Operation: 74-25=49 Exploring Operation: 37+25=62, Resulting Numbers: [74, 62] Generated Node #0,3,1: 27:[74, 62] Operation: 37+25=62 Exploring Operation: 74/37=2, Resulting Numbers: [25, 2] Generated Node #0,3,2: 27:[25, 2] Operation: 74/37=2 Exploring Operation: 74-37=37, Resulting Numbers: [25, 37] Generated Node #0,3,3: 27:[25, 37] Operation: 74-37=37 Exploring Operation: 37-25=12, Resulting Numbers: [74, 12] Generated Node #0,3,4: 27:[74, 12] Operation: 37-25=12 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 27:[25, 2], Operations: ['94-20=74', '74/37=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,27 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[37, 20, 25, 94], Operations: [] Exploring Operation: 94-20=74, Resulting Numbers: [37, 25, 74] Generated Node #0,3: 27:[37, 25, 74] Operation: 94-20=74 Moving to Node #0,3 Current State: 27:[37, 25, 74], Operations: ['94-20=74'] Exploring Operation: 74/37=2, Resulting Numbers: [25, 2] Generated Node #0,3,2: 27:[25, 2] Operation: 74/37=2 Moving to Node #0,3,2 Current State: 27:[25, 2], Operations: ['94-20=74', '74/37=2'] Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.951389
hs_5
mult_heuristic
[ 27, 37, 11, 81 ]
51
[ "81/27=3", "37+11=48", "3+48=51" ]
Current State: 51:[27, 37, 11, 81], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [37, 11, 3] Generated Node #2: [37, 11, 3] from Operation: 81/27=3 Current State: 51:[37, 11, 3], Operations: ['81/27=3'] Exploring Operation: 37+11=48, Resulting Numbers: [3, 48] Generated Node #3: [3, 48] from Operation: 37+11=48 Current State: 51:[3, 48], Operations: ['81/27=3', '37+11=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[27, 37, 11, 81], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [37, 11, 3] Generated Node #0,0: 51:[37, 11, 3] Operation: 81/27=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[37, 11, 3], Operations: ['81/27=3'] Exploring Operation: 37+11=48, Resulting Numbers: [3, 48] Generated Node #0,0,0: 51:[3, 48] Operation: 37+11=48 Moving to Node #0,0,0 Current State: 51:[3, 48], Operations: ['81/27=3', '37+11=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[27, 37, 11, 81], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [37, 11, 3] Generated Node #0,0: 51:[37, 11, 3] Operation: 81/27=3 Moving to Node #0,0 Current State: 51:[37, 11, 3], Operations: ['81/27=3'] Exploring Operation: 37+11=48, Resulting Numbers: [3, 48] Generated Node #0,0,0: 51:[3, 48] Operation: 37+11=48 Moving to Node #0,0,0 Current State: 51:[3, 48], Operations: ['81/27=3', '37+11=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 33, 89, 37, 31 ]
63
[ "33-31=2", "89+37=126", "126/2=63" ]
Current State: 63:[33, 89, 37, 31], Operations: [] Exploring Operation: 33-31=2, Resulting Numbers: [89, 37, 2] Generated Node #2: [89, 37, 2] from Operation: 33-31=2 Current State: 63:[89, 37, 2], Operations: ['33-31=2'] Exploring Operation: 89+37=126, Resulting Numbers: [2, 126] Generated Node #3: [2, 126] from Operation: 89+37=126 Current State: 63:[2, 126], Operations: ['33-31=2', '89+37=126'] Exploring Operation: 126/2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[33, 89, 37, 31], Operations: [] Exploring Operation: 89-37=52, Resulting Numbers: [33, 31, 52] Generated Node #0,0: 63:[33, 31, 52] Operation: 89-37=52 Exploring Operation: 89-33=56, Resulting Numbers: [37, 31, 56] Generated Node #0,1: 63:[37, 31, 56] Operation: 89-33=56 Exploring Operation: 89-31=58, Resulting Numbers: [33, 37, 58] Generated Node #0,2: 63:[33, 37, 58] Operation: 89-31=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[33, 31, 52], Operations: ['89-37=52'] Exploring Operation: 33-31=2, Resulting Numbers: [52, 2] Generated Node #0,0,0: 63:[52, 2] Operation: 33-31=2 Exploring Operation: 52-33=19, Resulting Numbers: [31, 19] Generated Node #0,0,1: 63:[31, 19] Operation: 52-33=19 Exploring Operation: 33+31=64, Resulting Numbers: [52, 64] Generated Node #0,0,2: 63:[52, 64] Operation: 33+31=64 Moving to Node #0,0,0 Current State: 63:[52, 2], Operations: ['89-37=52', '33-31=2'] Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[31, 19], Operations: ['89-37=52', '52-33=19'] Exploring Operation: 31*19=589, Resulting Numbers: [589] 589,63 unequal: No Solution Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 31+19=50, Resulting Numbers: [50] 50,63 unequal: No Solution Moving to Node #0,0,2 Current State: 63:[52, 64], Operations: ['89-37=52', '33+31=64'] Exploring Operation: 52*64=3328, Resulting Numbers: [3328] 3328,63 unequal: No Solution Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 52+64=116, Resulting Numbers: [116] 116,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[37, 31, 56], Operations: ['89-33=56'] Exploring Operation: 56-37=19, Resulting Numbers: [31, 19] Generated Node #0,1,0: 63:[31, 19] Operation: 56-37=19 Exploring Operation: 37-31=6, Resulting Numbers: [56, 6] Generated Node #0,1,1: 63:[56, 6] Operation: 37-31=6 Exploring Operation: 37+31=68, Resulting Numbers: [56, 68] Generated Node #0,1,2: 63:[56, 68] Operation: 37+31=68 Moving to Node #0,1,1 Current State: 63:[56, 6], Operations: ['89-33=56', '37-31=6'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,63 unequal: No Solution Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,63 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,63 unequal: No Solution Moving to Node #0,1,0 Current State: 63:[31, 19], Operations: ['89-33=56', '56-37=19'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 31+19=50, Resulting Numbers: [50] 50,63 unequal: No Solution Exploring Operation: 31*19=589, Resulting Numbers: [589] 589,63 unequal: No Solution Moving to Node #0,1,2 Current State: 63:[56, 68], Operations: ['89-33=56', '37+31=68'] Exploring Operation: 68-56=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 56*68=3808, Resulting Numbers: [3808] 3808,63 unequal: No Solution Exploring Operation: 56+68=124, Resulting Numbers: [124] 124,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[33, 37, 58], Operations: ['89-31=58'] Exploring Operation: 37-33=4, Resulting Numbers: [58, 4] Generated Node #0,2,0: 63:[58, 4] Operation: 37-33=4 Exploring Operation: 33+37=70, Resulting Numbers: [58, 70] Generated Node #0,2,1: 63:[58, 70] Operation: 33+37=70 Exploring Operation: 58-37=21, Resulting Numbers: [33, 21] Generated Node #0,2,2: 63:[33, 21] Operation: 58-37=21 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 63:[58, 4], Operations: ['89-31=58', '37-33=4'] Exploring Operation: 58*4=232, Resulting Numbers: [232] 232,63 unequal: No Solution Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,63 unequal: No Solution No 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: 63:[58, 70], Operations: ['89-31=58', '33+37=70'] Exploring Operation: 58*70=4060, Resulting Numbers: [4060] 4060,63 unequal: No Solution Exploring Operation: 58+70=128, Resulting Numbers: [128] 128,63 unequal: No Solution Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,63 unequal: No Solution No 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: 63:[33, 21], Operations: ['89-31=58', '58-37=21'] Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,63 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
[ 15, 68, 25, 76 ]
18
[ "15+68=83", "25+76=101", "101-83=18" ]
Current State: 18:[15, 68, 25, 76], Operations: [] Exploring Operation: 15+68=83, Resulting Numbers: [25, 76, 83] Generated Node #2: [25, 76, 83] from Operation: 15+68=83 Current State: 18:[25, 76, 83], Operations: ['15+68=83'] Exploring Operation: 25+76=101, Resulting Numbers: [83, 101] Generated Node #3: [83, 101] from Operation: 25+76=101 Current State: 18:[83, 101], Operations: ['15+68=83', '25+76=101'] Exploring Operation: 101-83=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[15, 68, 25, 76], Operations: [] Exploring Operation: 68-15=53, Resulting Numbers: [25, 76, 53] Generated Node #0,0: 18:[25, 76, 53] Operation: 68-15=53 Exploring Operation: 68-25=43, Resulting Numbers: [15, 76, 43] Generated Node #0,1: 18:[15, 76, 43] Operation: 68-25=43 Exploring Operation: 76-68=8, Resulting Numbers: [15, 25, 8] Generated Node #0,2: 18:[15, 25, 8] Operation: 76-68=8 Exploring Operation: 76-25=51, Resulting Numbers: [15, 68, 51] Generated Node #0,3: 18:[15, 68, 51] Operation: 76-25=51 Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[15, 25, 8], Operations: ['76-68=8'] Exploring Operation: 25-8=17, Resulting Numbers: [15, 17] Generated Node #0,2,0: 18:[15, 17] Operation: 25-8=17 Exploring Operation: 15-8=7, Resulting Numbers: [25, 7] Generated Node #0,2,1: 18:[25, 7] Operation: 15-8=7 Exploring Operation: 15+8=23, Resulting Numbers: [25, 23] Generated Node #0,2,2: 18:[25, 23] Operation: 15+8=23 Exploring Operation: 25-15=10, Resulting Numbers: [8, 10] Generated Node #0,2,3: 18:[8, 10] Operation: 25-15=10 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 18:[8, 10], Operations: ['76-68=8', '25-15=10'] Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,18 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[15, 68, 25, 76], Operations: [] Exploring Operation: 76-68=8, Resulting Numbers: [15, 25, 8] Generated Node #0,2: 18:[15, 25, 8] Operation: 76-68=8 Moving to Node #0,2 Current State: 18:[15, 25, 8], Operations: ['76-68=8'] Exploring Operation: 25-15=10, Resulting Numbers: [8, 10] Generated Node #0,2,3: 18:[8, 10] Operation: 25-15=10 Moving to Node #0,2,3 Current State: 18:[8, 10], Operations: ['76-68=8', '25-15=10'] Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 39, 48, 3, 26 ]
64
[ "39+48=87", "26-3=23", "87-23=64" ]
Current State: 64:[39, 48, 3, 26], Operations: [] Exploring Operation: 39+48=87, Resulting Numbers: [3, 26, 87] Generated Node #2: [3, 26, 87] from Operation: 39+48=87 Current State: 64:[3, 26, 87], Operations: ['39+48=87'] Exploring Operation: 26-3=23, Resulting Numbers: [87, 23] Generated Node #3: [87, 23] from Operation: 26-3=23 Current State: 64:[87, 23], Operations: ['39+48=87', '26-3=23'] Exploring Operation: 87-23=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[39, 48, 3, 26], Operations: [] Exploring Operation: 48-39=9, Resulting Numbers: [3, 26, 9] Generated Node #0,0: 64:[3, 26, 9] Operation: 48-39=9 Exploring Operation: 48/3=16, Resulting Numbers: [39, 26, 16] Generated Node #0,1: 64:[39, 26, 16] Operation: 48/3=16 Exploring Operation: 48-26=22, Resulting Numbers: [39, 3, 22] Generated Node #0,2: 64:[39, 3, 22] Operation: 48-26=22 Exploring Operation: 39+26=65, Resulting Numbers: [48, 3, 65] Generated Node #0,3: 64:[48, 3, 65] Operation: 39+26=65 Exploring Operation: 48+26=74, Resulting Numbers: [39, 3, 74] Generated Node #0,4: 64:[39, 3, 74] Operation: 48+26=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[3, 26, 9], Operations: ['48-39=9'] Exploring Operation: 9/3=3, Resulting Numbers: [26, 3] Generated Node #0,0,0: 64:[26, 3] Operation: 9/3=3 Exploring Operation: 26-9=17, Resulting Numbers: [3, 17] Generated Node #0,0,1: 64:[3, 17] Operation: 26-9=17 Exploring Operation: 26+9=35, Resulting Numbers: [3, 35] Generated Node #0,0,2: 64:[3, 35] Operation: 26+9=35 Exploring Operation: 3+26=29, Resulting Numbers: [9, 29] Generated Node #0,0,3: 64:[9, 29] Operation: 3+26=29 Exploring Operation: 26-3=23, Resulting Numbers: [9, 23] Generated Node #0,0,4: 64:[9, 23] Operation: 26-3=23 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 64:[3, 17], Operations: ['48-39=9', '26-9=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,64 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 64:[3, 35], Operations: ['48-39=9', '26+9=35'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,64 unequal: No Solution Exploring Operation: 3*35=105, Resulting Numbers: [105] 105,64 unequal: No Solution Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 64:[9, 29], Operations: ['48-39=9', '3+26=29'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 9*29=261, Resulting Numbers: [261] 261,64 unequal: No Solution Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[26, 3], Operations: ['48-39=9', '9/3=3'] Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,64 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 26+3=29, Resulting Numbers: [29] 29,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 64:[9, 23], Operations: ['48-39=9', '26-3=23'] Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,64 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,64 unequal: No Solution Exploring Operation: 9*23=207, Resulting Numbers: [207] 207,64 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: 64:[39, 26, 16], Operations: ['48/3=16'] Exploring Operation: 39-16=23, Resulting Numbers: [26, 23] Generated Node #0,1,0: 64:[26, 23] Operation: 39-16=23 Exploring Operation: 39-26=13, Resulting Numbers: [16, 13] Generated Node #0,1,1: 64:[16, 13] Operation: 39-26=13 Exploring Operation: 39+26=65, Resulting Numbers: [16, 65] Generated Node #0,1,2: 64:[16, 65] Operation: 39+26=65 Exploring Operation: 26-16=10, Resulting Numbers: [39, 10] Generated Node #0,1,3: 64:[39, 10] Operation: 26-16=10 Exploring Operation: 39+16=55, Resulting Numbers: [26, 55] Generated Node #0,1,4: 64:[26, 55] Operation: 39+16=55 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 64:[16, 65], Operations: ['48/3=16', '39+26=65'] Exploring Operation: 65-16=49, Resulting Numbers: [49] 49,64 unequal: No Solution Exploring Operation: 16+65=81, Resulting Numbers: [81] 81,64 unequal: No Solution Exploring Operation: 16*65=1040, Resulting Numbers: [1040] 1040,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 64:[16, 13], Operations: ['48/3=16', '39-26=13'] Exploring Operation: 16*13=208, Resulting Numbers: [208] 208,64 unequal: No Solution Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 16+13=29, Resulting Numbers: [29] 29,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 64:[39, 10], Operations: ['48/3=16', '26-16=10'] Exploring Operation: 39*10=390, Resulting Numbers: [390] 390,64 unequal: No Solution Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,64 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 64:[26, 23], Operations: ['48/3=16', '39-16=23'] Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 26*23=598, Resulting Numbers: [598] 598,64 unequal: No Solution Exploring Operation: 26+23=49, Resulting Numbers: [49] 49,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 64:[26, 55], Operations: ['48/3=16', '39+16=55'] Exploring Operation: 26+55=81, Resulting Numbers: [81] 81,64 unequal: No Solution Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,64 unequal: No Solution Exploring Operation: 26*55=1430, Resulting Numbers: [1430] 1430,64 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: 64:[39, 3, 22], Operations: ['48-26=22'] Exploring Operation: 39/3=13, Resulting Numbers: [22, 13] Generated Node #0,2,0: 64:[22, 13] Operation: 39/3=13 Exploring Operation: 39-22=17, Resulting Numbers: [3, 17] Generated Node #0,2,1: 64:[3, 17] Operation: 39-22=17 Exploring Operation: 3*22=66, Resulting Numbers: [39, 66] Generated Node #0,2,2: 64:[39, 66] Operation: 3*22=66 Exploring Operation: 39-3=36, Resulting Numbers: [22, 36] Generated Node #0,2,3: 64:[22, 36] Operation: 39-3=36 Exploring Operation: 39+22=61, Resulting Numbers: [3, 61] Generated Node #0,2,4: 64:[3, 61] Operation: 39+22=61 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 64:[3, 17], Operations: ['48-26=22', '39-22=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,64 unequal: No Solution Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 64:[3, 61], Operations: ['48-26=22', '39+22=61'] Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,64 unequal: No Solution Exploring Operation: 3*61=183, Resulting Numbers: [183] 183,64 unequal: No Solution Exploring Operation: 3+61=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[39, 48, 3, 26], Operations: [] Exploring Operation: 48-26=22, Resulting Numbers: [39, 3, 22] Generated Node #0,2: 64:[39, 3, 22] Operation: 48-26=22 Moving to Node #0,2 Current State: 64:[39, 3, 22], Operations: ['48-26=22'] Exploring Operation: 39+22=61, Resulting Numbers: [3, 61] Generated Node #0,2,4: 64:[3, 61] Operation: 39+22=61 Moving to Node #0,2,4 Current State: 64:[3, 61], Operations: ['48-26=22', '39+22=61'] Exploring Operation: 3+61=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.947917
hs_5
sum_heuristic
[ 20, 44, 83, 9 ]
98
[ "44-20=24", "83-9=74", "24+74=98" ]
Current State: 98:[20, 44, 83, 9], Operations: [] Exploring Operation: 44-20=24, Resulting Numbers: [83, 9, 24] Generated Node #2: [83, 9, 24] from Operation: 44-20=24 Current State: 98:[83, 9, 24], Operations: ['44-20=24'] Exploring Operation: 83-9=74, Resulting Numbers: [24, 74] Generated Node #3: [24, 74] from Operation: 83-9=74 Current State: 98:[24, 74], Operations: ['44-20=24', '83-9=74'] Exploring Operation: 24+74=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[20, 44, 83, 9], Operations: [] Exploring Operation: 83+9=92, Resulting Numbers: [20, 44, 92] Generated Node #0,0: 98:[20, 44, 92] Operation: 83+9=92 Exploring Operation: 20+83=103, Resulting Numbers: [44, 9, 103] Generated Node #0,1: 98:[44, 9, 103] Operation: 20+83=103 Exploring Operation: 83-44=39, Resulting Numbers: [20, 9, 39] Generated Node #0,2: 98:[20, 9, 39] Operation: 83-44=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[44, 9, 103], Operations: ['20+83=103'] Exploring Operation: 44+9=53, Resulting Numbers: [103, 53] Generated Node #0,1,0: 98:[103, 53] Operation: 44+9=53 Exploring Operation: 103-9=94, Resulting Numbers: [44, 94] Generated Node #0,1,1: 98:[44, 94] Operation: 103-9=94 Exploring Operation: 103-44=59, Resulting Numbers: [9, 59] Generated Node #0,1,2: 98:[9, 59] Operation: 103-44=59 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[103, 53], Operations: ['20+83=103', '44+9=53'] Exploring Operation: 103*53=5459, Resulting Numbers: [5459] 5459,98 unequal: No Solution Exploring Operation: 103-53=50, Resulting Numbers: [50] 50,98 unequal: No Solution Exploring Operation: 103+53=156, Resulting Numbers: [156] 156,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[44, 94], Operations: ['20+83=103', '103-9=94'] Exploring Operation: 44*94=4136, Resulting Numbers: [4136] 4136,98 unequal: No Solution Exploring Operation: 44+94=138, Resulting Numbers: [138] 138,98 unequal: No Solution Exploring Operation: 94-44=50, Resulting Numbers: [50] 50,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[9, 59], Operations: ['20+83=103', '103-44=59'] Exploring Operation: 9*59=531, Resulting Numbers: [531] 531,98 unequal: No Solution Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,98 unequal: No Solution Exploring Operation: 9+59=68, Resulting Numbers: [68] 68,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[20, 44, 92], Operations: ['83+9=92'] Exploring Operation: 20+92=112, Resulting Numbers: [44, 112] Generated Node #0,0,0: 98:[44, 112] Operation: 20+92=112 Exploring Operation: 44-20=24, Resulting Numbers: [92, 24] Generated Node #0,0,1: 98:[92, 24] Operation: 44-20=24 Exploring Operation: 92-44=48, Resulting Numbers: [20, 48] Generated Node #0,0,2: 98:[20, 48] Operation: 92-44=48 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 98:[20, 48], Operations: ['83+9=92', '92-44=48'] Exploring Operation: 48-20=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 20+48=68, Resulting Numbers: [68] 68,98 unequal: No Solution Exploring Operation: 20*48=960, Resulting Numbers: [960] 960,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[92, 24], Operations: ['83+9=92', '44-20=24'] Exploring Operation: 92*24=2208, Resulting Numbers: [2208] 2208,98 unequal: No Solution Exploring Operation: 92-24=68, Resulting Numbers: [68] 68,98 unequal: No Solution Exploring Operation: 92+24=116, Resulting Numbers: [116] 116,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[44, 112], Operations: ['83+9=92', '20+92=112'] Exploring Operation: 112-44=68, Resulting Numbers: [68] 68,98 unequal: No Solution Exploring Operation: 44+112=156, Resulting Numbers: [156] 156,98 unequal: No Solution Exploring Operation: 44*112=4928, Resulting Numbers: [4928] 4928,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[20, 9, 39], Operations: ['83-44=39'] Exploring Operation: 9+39=48, Resulting Numbers: [20, 48] Generated Node #0,2,0: 98:[20, 48] Operation: 9+39=48 Exploring Operation: 20+39=59, Resulting Numbers: [9, 59] Generated Node #0,2,1: 98:[9, 59] Operation: 20+39=59 Exploring Operation: 39-20=19, Resulting Numbers: [9, 19] Generated Node #0,2,2: 98:[9, 19] Operation: 39-20=19 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 98:[20, 48], Operations: ['83-44=39', '9+39=48'] Exploring Operation: 48-20=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 20+48=68, Resulting Numbers: [68] 68,98 unequal: No Solution Exploring Operation: 20*48=960, Resulting Numbers: [960] 960,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 98:[9, 19], Operations: ['83-44=39', '39-20=19'] Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,98 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,98 unequal: No Solution Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 98:[9, 59], Operations: ['83-44=39', '20+39=59'] Exploring Operation: 9*59=531, Resulting Numbers: [531] 531,98 unequal: No Solution Exploring Operation: 9+59=68, Resulting Numbers: [68] 68,98 unequal: No Solution Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 12, 1, 99, 72 ]
15
[ "12*1=12", "99-72=27", "27-12=15" ]
Current State: 15:[12, 1, 99, 72], Operations: [] Exploring Operation: 12*1=12, Resulting Numbers: [99, 72, 12] Generated Node #2: [99, 72, 12] from Operation: 12*1=12 Current State: 15:[99, 72, 12], Operations: ['12*1=12'] Exploring Operation: 99-72=27, Resulting Numbers: [12, 27] Generated Node #3: [12, 27] from Operation: 99-72=27 Current State: 15:[12, 27], Operations: ['12*1=12', '99-72=27'] Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[12, 1, 99, 72], Operations: [] Exploring Operation: 12+1=13, Resulting Numbers: [99, 72, 13] Generated Node #0,0: 15:[99, 72, 13] Operation: 12+1=13 Exploring Operation: 72-12=60, Resulting Numbers: [1, 99, 60] Generated Node #0,1: 15:[1, 99, 60] Operation: 72-12=60 Exploring Operation: 99-12=87, Resulting Numbers: [1, 72, 87] Generated Node #0,2: 15:[1, 72, 87] Operation: 99-12=87 Exploring Operation: 72/12=6, Resulting Numbers: [1, 99, 6] Generated Node #0,3: 15:[1, 99, 6] Operation: 72/12=6 Exploring Operation: 99-72=27, Resulting Numbers: [12, 1, 27] Generated Node #0,4: 15:[12, 1, 27] Operation: 99-72=27 Moving to Node #0,4 Current State: 15:[12, 1, 27], Operations: ['99-72=27'] Exploring Operation: 12+1=13, Resulting Numbers: [27, 13] Generated Node #0,4,0: 15:[27, 13] Operation: 12+1=13 Exploring Operation: 12/1=12, Resulting Numbers: [27, 12] Generated Node #0,4,1: 15:[27, 12] Operation: 12/1=12 Exploring Operation: 27-12=15, Resulting Numbers: [1, 15] Generated Node #0,4,2: 15:[1, 15] Operation: 27-12=15 Exploring Operation: 27-1=26, Resulting Numbers: [12, 26] Generated Node #0,4,3: 15:[12, 26] Operation: 27-1=26 Exploring Operation: 12*1=12, Resulting Numbers: [27, 12] Generated Node #0,4,4: 15:[27, 12] Operation: 12*1=12 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 15:[1, 15], Operations: ['99-72=27', '27-12=15'] Exploring Operation: 1+15=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[12, 1, 99, 72], Operations: [] Exploring Operation: 99-72=27, Resulting Numbers: [12, 1, 27] Generated Node #0,4: 15:[12, 1, 27] Operation: 99-72=27 Moving to Node #0,4 Current State: 15:[12, 1, 27], Operations: ['99-72=27'] Exploring Operation: 27-12=15, Resulting Numbers: [1, 15] Generated Node #0,4,2: 15:[1, 15] Operation: 27-12=15 Moving to Node #0,4,2 Current State: 15:[1, 15], Operations: ['99-72=27', '27-12=15'] Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 47, 81, 52, 26 ]
36
[ "81-47=34", "52/26=2", "34+2=36" ]
Current State: 36:[47, 81, 52, 26], Operations: [] Exploring Operation: 81-47=34, Resulting Numbers: [52, 26, 34] Generated Node #2: [52, 26, 34] from Operation: 81-47=34 Current State: 36:[52, 26, 34], Operations: ['81-47=34'] Exploring Operation: 52/26=2, Resulting Numbers: [34, 2] Generated Node #3: [34, 2] from Operation: 52/26=2 Current State: 36:[34, 2], Operations: ['81-47=34', '52/26=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[47, 81, 52, 26], Operations: [] Exploring Operation: 81-47=34, Resulting Numbers: [52, 26, 34] Generated Node #0,0: 36:[52, 26, 34] Operation: 81-47=34 Exploring Operation: 52-47=5, Resulting Numbers: [81, 26, 5] Generated Node #0,1: 36:[81, 26, 5] Operation: 52-47=5 Exploring Operation: 81-26=55, Resulting Numbers: [47, 52, 55] Generated Node #0,2: 36:[47, 52, 55] Operation: 81-26=55 Exploring Operation: 52/26=2, Resulting Numbers: [47, 81, 2] Generated Node #0,3: 36:[47, 81, 2] Operation: 52/26=2 Exploring Operation: 81-52=29, Resulting Numbers: [47, 26, 29] Generated Node #0,4: 36:[47, 26, 29] Operation: 81-52=29 Moving to Node #0,0 Current State: 36:[52, 26, 34], Operations: ['81-47=34'] Exploring Operation: 34-26=8, Resulting Numbers: [52, 8] Generated Node #0,0,0: 36:[52, 8] Operation: 34-26=8 Exploring Operation: 52-34=18, Resulting Numbers: [26, 18] Generated Node #0,0,1: 36:[26, 18] Operation: 52-34=18 Exploring Operation: 26+34=60, Resulting Numbers: [52, 60] Generated Node #0,0,2: 36:[52, 60] Operation: 26+34=60 Exploring Operation: 52/26=2, Resulting Numbers: [34, 2] Generated Node #0,0,3: 36:[34, 2] Operation: 52/26=2 Exploring Operation: 52-26=26, Resulting Numbers: [34, 26] Generated Node #0,0,4: 36:[34, 26] Operation: 52-26=26 Moving to Node #0,4 Current State: 36:[47, 26, 29], Operations: ['81-52=29'] Exploring Operation: 47-29=18, Resulting Numbers: [26, 18] Generated Node #0,4,0: 36:[26, 18] Operation: 47-29=18 Exploring Operation: 47+26=73, Resulting Numbers: [29, 73] Generated Node #0,4,1: 36:[29, 73] Operation: 47+26=73 Exploring Operation: 26+29=55, Resulting Numbers: [47, 55] Generated Node #0,4,2: 36:[47, 55] Operation: 26+29=55 Exploring Operation: 29-26=3, Resulting Numbers: [47, 3] Generated Node #0,4,3: 36:[47, 3] Operation: 29-26=3 Exploring Operation: 47-26=21, Resulting Numbers: [29, 21] Generated Node #0,4,4: 36:[29, 21] Operation: 47-26=21 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 36:[26, 18], Operations: ['81-52=29', '47-29=18'] Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 26*18=468, Resulting Numbers: [468] 468,36 unequal: No Solution Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,36 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 #0,4,4 Current State: 36:[29, 21], Operations: ['81-52=29', '47-26=21'] Exploring Operation: 29+21=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 29*21=609, Resulting Numbers: [609] 609,36 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 #0,4,3 Current State: 36:[47, 3], Operations: ['81-52=29', '29-26=3'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 47*3=141, Resulting Numbers: [141] 141,36 unequal: No Solution Exploring Operation: 47+3=50, Resulting Numbers: [50] 50,36 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 #0,4,2 Current State: 36:[47, 55], Operations: ['81-52=29', '26+29=55'] Exploring Operation: 55-47=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 47*55=2585, Resulting Numbers: [2585] 2585,36 unequal: No Solution Exploring Operation: 47+55=102, Resulting Numbers: [102] 102,36 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 #0,4,1 Current State: 36:[29, 73], Operations: ['81-52=29', '47+26=73'] Exploring Operation: 29+73=102, Resulting Numbers: [102] 102,36 unequal: No Solution Exploring Operation: 29*73=2117, Resulting Numbers: [2117] 2117,36 unequal: No Solution Exploring Operation: 73-29=44, Resulting Numbers: [44] 44,36 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: 36:[47, 52, 55], Operations: ['81-26=55'] Exploring Operation: 47+52=99, Resulting Numbers: [55, 99] Generated Node #0,2,0: 36:[55, 99] Operation: 47+52=99 Exploring Operation: 52-47=5, Resulting Numbers: [55, 5] Generated Node #0,2,1: 36:[55, 5] Operation: 52-47=5 Exploring Operation: 55-47=8, Resulting Numbers: [52, 8] Generated Node #0,2,2: 36:[52, 8] Operation: 55-47=8 Exploring Operation: 55-52=3, Resulting Numbers: [47, 3] Generated Node #0,2,3: 36:[47, 3] Operation: 55-52=3 Exploring Operation: 47+55=102, Resulting Numbers: [52, 102] Generated Node #0,2,4: 36:[52, 102] Operation: 47+55=102 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 36:[47, 3], Operations: ['81-26=55', '55-52=3'] Exploring Operation: 47+3=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 47*3=141, Resulting Numbers: [141] 141,36 unequal: No Solution Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,36 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 #0,2,2 Current State: 36:[52, 8], Operations: ['81-26=55', '55-47=8'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 52*8=416, Resulting Numbers: [416] 416,36 unequal: No Solution Exploring Operation: 52+8=60, Resulting Numbers: [60] 60,36 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 #0,2,1 Current State: 36:[55, 5], Operations: ['81-26=55', '52-47=5'] Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,36 unequal: No Solution Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,36 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 #0,2,0 Current State: 36:[55, 99], Operations: ['81-26=55', '47+52=99'] Exploring Operation: 55*99=5445, Resulting Numbers: [5445] 5445,36 unequal: No Solution Exploring Operation: 55+99=154, Resulting Numbers: [154] 154,36 unequal: No Solution Exploring Operation: 99-55=44, Resulting Numbers: [44] 44,36 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 #0,2,4 Current State: 36:[52, 102], Operations: ['81-26=55', '47+55=102'] Exploring Operation: 52*102=5304, Resulting Numbers: [5304] 5304,36 unequal: No Solution Exploring Operation: 102-52=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 52+102=154, Resulting Numbers: [154] 154,36 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: 36:[81, 26, 5], Operations: ['52-47=5'] Exploring Operation: 26-5=21, Resulting Numbers: [81, 21] Generated Node #0,1,0: 36:[81, 21] Operation: 26-5=21 Exploring Operation: 81+5=86, Resulting Numbers: [26, 86] Generated Node #0,1,1: 36:[26, 86] Operation: 81+5=86 Exploring Operation: 26+5=31, Resulting Numbers: [81, 31] Generated Node #0,1,2: 36:[81, 31] Operation: 26+5=31 Exploring Operation: 81-5=76, Resulting Numbers: [26, 76] Generated Node #0,1,3: 36:[26, 76] Operation: 81-5=76 Exploring Operation: 81-26=55, Resulting Numbers: [5, 55] Generated Node #0,1,4: 36:[5, 55] Operation: 81-26=55 Moving to Node #0,3 Current State: 36:[47, 81, 2], Operations: ['52/26=2'] Exploring Operation: 81-47=34, Resulting Numbers: [2, 34] Generated Node #0,3,0: 36:[2, 34] Operation: 81-47=34 Exploring Operation: 81-2=79, Resulting Numbers: [47, 79] Generated Node #0,3,1: 36:[47, 79] Operation: 81-2=79 Exploring Operation: 47+2=49, Resulting Numbers: [81, 49] Generated Node #0,3,2: 36:[81, 49] Operation: 47+2=49 Exploring Operation: 81+2=83, Resulting Numbers: [47, 83] Generated Node #0,3,3: 36:[47, 83] Operation: 81+2=83 Exploring Operation: 47-2=45, Resulting Numbers: [81, 45] Generated Node #0,3,4: 36:[81, 45] Operation: 47-2=45 Moving to Node #0,0,3 Current State: 36:[34, 2], Operations: ['81-47=34', '52/26=2'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,36 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[47, 81, 52, 26], Operations: [] Exploring Operation: 81-47=34, Resulting Numbers: [52, 26, 34] Generated Node #0,0: 36:[52, 26, 34] Operation: 81-47=34 Moving to Node #0,0 Current State: 36:[52, 26, 34], Operations: ['81-47=34'] Exploring Operation: 52/26=2, Resulting Numbers: [34, 2] Generated Node #0,0,3: 36:[34, 2] Operation: 52/26=2 Moving to Node #0,0,3 Current State: 36:[34, 2], Operations: ['81-47=34', '52/26=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.94184
hs_5
sum_heuristic
[ 27, 54, 22, 58 ]
47
[ "54/27=2", "22/2=11", "58-11=47" ]
Current State: 47:[27, 54, 22, 58], Operations: [] Exploring Operation: 54/27=2, Resulting Numbers: [22, 58, 2] Generated Node #2: [22, 58, 2] from Operation: 54/27=2 Current State: 47:[22, 58, 2], Operations: ['54/27=2'] Exploring Operation: 22/2=11, Resulting Numbers: [58, 11] Generated Node #3: [58, 11] from Operation: 22/2=11 Current State: 47:[58, 11], Operations: ['54/27=2', '22/2=11'] Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[27, 54, 22, 58], Operations: [] Exploring Operation: 58-22=36, Resulting Numbers: [27, 54, 36] Generated Node #0,0: 47:[27, 54, 36] Operation: 58-22=36 Exploring Operation: 54-27=27, Resulting Numbers: [22, 58, 27] Generated Node #0,1: 47:[22, 58, 27] Operation: 54-27=27 Exploring Operation: 58-27=31, Resulting Numbers: [54, 22, 31] Generated Node #0,2: 47:[54, 22, 31] Operation: 58-27=31 Exploring Operation: 54-22=32, Resulting Numbers: [27, 58, 32] Generated Node #0,3: 47:[27, 58, 32] Operation: 54-22=32 Exploring Operation: 27+22=49, Resulting Numbers: [54, 58, 49] Generated Node #0,4: 47:[54, 58, 49] Operation: 27+22=49 Moving to Node #0,4 Current State: 47:[54, 58, 49], Operations: ['27+22=49'] Exploring Operation: 54+58=112, Resulting Numbers: [49, 112] Generated Node #0,4,0: 47:[49, 112] Operation: 54+58=112 Exploring Operation: 58-49=9, Resulting Numbers: [54, 9] Generated Node #0,4,1: 47:[54, 9] Operation: 58-49=9 Exploring Operation: 54-49=5, Resulting Numbers: [58, 5] Generated Node #0,4,2: 47:[58, 5] Operation: 54-49=5 Exploring Operation: 58-54=4, Resulting Numbers: [49, 4] Generated Node #0,4,3: 47:[49, 4] Operation: 58-54=4 Exploring Operation: 54+49=103, Resulting Numbers: [58, 103] Generated Node #0,4,4: 47:[58, 103] Operation: 54+49=103 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 47:[54, 9], Operations: ['27+22=49', '58-49=9'] Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,47 unequal: No Solution Exploring Operation: 54*9=486, Resulting Numbers: [486] 486,47 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 #0,4,3 Current State: 47:[49, 4], Operations: ['27+22=49', '58-54=4'] Exploring Operation: 49+4=53, Resulting Numbers: [53] 53,47 unequal: No Solution Exploring Operation: 49*4=196, Resulting Numbers: [196] 196,47 unequal: No Solution Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,47 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 #0,4,2 Current State: 47:[58, 5], Operations: ['27+22=49', '54-49=5'] Exploring Operation: 58*5=290, Resulting Numbers: [290] 290,47 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,47 unequal: No Solution Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,47 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 #0,4,0 Current State: 47:[49, 112], Operations: ['27+22=49', '54+58=112'] Exploring Operation: 49+112=161, Resulting Numbers: [161] 161,47 unequal: No Solution Exploring Operation: 49*112=5488, Resulting Numbers: [5488] 5488,47 unequal: No Solution Exploring Operation: 112-49=63, Resulting Numbers: [63] 63,47 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 #0,4,4 Current State: 47:[58, 103], Operations: ['27+22=49', '54+49=103'] Exploring Operation: 58*103=5974, Resulting Numbers: [5974] 5974,47 unequal: No Solution Exploring Operation: 58+103=161, Resulting Numbers: [161] 161,47 unequal: No Solution Exploring Operation: 103-58=45, Resulting Numbers: [45] 45,47 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: 47:[27, 54, 36], Operations: ['58-22=36'] Exploring Operation: 36-27=9, Resulting Numbers: [54, 9] Generated Node #0,0,0: 47:[54, 9] Operation: 36-27=9 Exploring Operation: 27+36=63, Resulting Numbers: [54, 63] Generated Node #0,0,1: 47:[54, 63] Operation: 27+36=63 Exploring Operation: 27+54=81, Resulting Numbers: [36, 81] Generated Node #0,0,2: 47:[36, 81] Operation: 27+54=81 Exploring Operation: 54-27=27, Resulting Numbers: [36, 27] Generated Node #0,0,3: 47:[36, 27] Operation: 54-27=27 Exploring Operation: 54-36=18, Resulting Numbers: [27, 18] Generated Node #0,0,4: 47:[27, 18] Operation: 54-36=18 Moving to Node #0,3 Current State: 47:[27, 58, 32], Operations: ['54-22=32'] Exploring Operation: 32-27=5, Resulting Numbers: [58, 5] Generated Node #0,3,0: 47:[58, 5] Operation: 32-27=5 Exploring Operation: 27+32=59, Resulting Numbers: [58, 59] Generated Node #0,3,1: 47:[58, 59] Operation: 27+32=59 Exploring Operation: 58-27=31, Resulting Numbers: [32, 31] Generated Node #0,3,2: 47:[32, 31] Operation: 58-27=31 Exploring Operation: 58-32=26, Resulting Numbers: [27, 26] Generated Node #0,3,3: 47:[27, 26] Operation: 58-32=26 Exploring Operation: 27+58=85, Resulting Numbers: [32, 85] Generated Node #0,3,4: 47:[32, 85] Operation: 27+58=85 Moving to Node #0,2 Current State: 47:[54, 22, 31], Operations: ['58-27=31'] Exploring Operation: 54+22=76, Resulting Numbers: [31, 76] Generated Node #0,2,0: 47:[31, 76] Operation: 54+22=76 Exploring Operation: 22+31=53, Resulting Numbers: [54, 53] Generated Node #0,2,1: 47:[54, 53] Operation: 22+31=53 Exploring Operation: 54-22=32, Resulting Numbers: [31, 32] Generated Node #0,2,2: 47:[31, 32] Operation: 54-22=32 Exploring Operation: 31-22=9, Resulting Numbers: [54, 9] Generated Node #0,2,3: 47:[54, 9] Operation: 31-22=9 Exploring Operation: 54-31=23, Resulting Numbers: [22, 23] Generated Node #0,2,4: 47:[22, 23] Operation: 54-31=23 Moving to Node #0,1 Current State: 47:[22, 58, 27], Operations: ['54-27=27'] Exploring Operation: 27-22=5, Resulting Numbers: [58, 5] Generated Node #0,1,0: 47:[58, 5] Operation: 27-22=5 Exploring Operation: 58-27=31, Resulting Numbers: [22, 31] Generated Node #0,1,1: 47:[22, 31] Operation: 58-27=31 Exploring Operation: 22+58=80, Resulting Numbers: [27, 80] Generated Node #0,1,2: 47:[27, 80] Operation: 22+58=80 Exploring Operation: 58-22=36, Resulting Numbers: [27, 36] Generated Node #0,1,3: 47:[27, 36] Operation: 58-22=36 Exploring Operation: 22+27=49, Resulting Numbers: [58, 49] Generated Node #0,1,4: 47:[58, 49] Operation: 22+27=49 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 47:[58, 49], Operations: ['54-27=27', '22+27=49'] Exploring Operation: 58+49=107, Resulting Numbers: [107] 107,47 unequal: No Solution Exploring Operation: 58*49=2842, Resulting Numbers: [2842] 2842,47 unequal: No Solution Exploring Operation: 58-49=9, Resulting Numbers: [9] 9,47 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 #0,1,3 Current State: 47:[27, 36], Operations: ['54-27=27', '58-22=36'] Exploring Operation: 27+36=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,47 unequal: No Solution Exploring Operation: 27*36=972, Resulting Numbers: [972] 972,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[22, 31], Operations: ['54-27=27', '58-27=31'] Exploring Operation: 22+31=53, Resulting Numbers: [53] 53,47 unequal: No Solution Exploring Operation: 31-22=9, Resulting Numbers: [9] 9,47 unequal: No Solution Exploring Operation: 22*31=682, Resulting Numbers: [682] 682,47 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 #0,1,0 Current State: 47:[58, 5], Operations: ['54-27=27', '27-22=5'] Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 58*5=290, Resulting Numbers: [290] 290,47 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 47:[27, 80], Operations: ['54-27=27', '22+58=80'] Exploring Operation: 80-27=53, Resulting Numbers: [53] 53,47 unequal: No Solution Exploring Operation: 27+80=107, Resulting Numbers: [107] 107,47 unequal: No Solution Exploring Operation: 27*80=2160, Resulting Numbers: [2160] 2160,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 47:[54, 53], Operations: ['58-27=31', '22+31=53'] Exploring Operation: 54+53=107, Resulting Numbers: [107] 107,47 unequal: No Solution Exploring Operation: 54-53=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 54*53=2862, Resulting Numbers: [2862] 2862,47 unequal: No Solution Moving to Node #0,3,1 Current State: 47:[58, 59], Operations: ['54-22=32', '27+32=59'] Exploring Operation: 58+59=117, Resulting Numbers: [117] 117,47 unequal: No Solution Exploring Operation: 59-58=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 58*59=3422, Resulting Numbers: [3422] 3422,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[54, 63], Operations: ['58-22=36', '27+36=63'] Exploring Operation: 54+63=117, Resulting Numbers: [117] 117,47 unequal: No Solution Exploring Operation: 63-54=9, Resulting Numbers: [9] 9,47 unequal: No Solution Exploring Operation: 54*63=3402, Resulting Numbers: [3402] 3402,47 unequal: No Solution Moving to Node #0,3,2 Current State: 47:[32, 31], Operations: ['54-22=32', '58-27=31'] Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 32*31=992, Resulting Numbers: [992] 992,47 unequal: No Solution Exploring Operation: 32+31=63, Resulting Numbers: [63] 63,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[31, 32], Operations: ['58-27=31', '54-22=32'] Exploring Operation: 31*32=992, Resulting Numbers: [992] 992,47 unequal: No Solution Exploring Operation: 31+32=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,47 unequal: No Solution Moving to Node #0,0,3 Current State: 47:[36, 27], Operations: ['58-22=36', '54-27=27'] Exploring Operation: 36+27=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 36*27=972, Resulting Numbers: [972] 972,47 unequal: No Solution Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[27, 26], Operations: ['54-22=32', '58-32=26'] Exploring Operation: 27+26=53, Resulting Numbers: [53] 53,47 unequal: No Solution Exploring Operation: 27*26=702, Resulting Numbers: [702] 702,47 unequal: No Solution Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,47 unequal: No Solution Moving to Node #0,2,3 Current State: 47:[54, 9], Operations: ['58-27=31', '31-22=9'] Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,47 unequal: No Solution Exploring Operation: 54*9=486, Resulting Numbers: [486] 486,47 unequal: No Solution Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,47 unequal: No Solution Moving to Node #0,2,0 Current State: 47:[31, 76], Operations: ['58-27=31', '54+22=76'] Exploring Operation: 31+76=107, Resulting Numbers: [107] 107,47 unequal: No Solution Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 31*76=2356, Resulting Numbers: [2356] 2356,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[54, 9], Operations: ['58-22=36', '36-27=9'] Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 54*9=486, Resulting Numbers: [486] 486,47 unequal: No Solution Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[36, 81], Operations: ['58-22=36', '27+54=81'] Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 36*81=2916, Resulting Numbers: [2916] 2916,47 unequal: No Solution Exploring Operation: 36+81=117, Resulting Numbers: [117] 117,47 unequal: No Solution Moving to Node #0,0,4 Current State: 47:[27, 18], Operations: ['58-22=36', '54-36=18'] Exploring Operation: 27+18=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,47 unequal: No Solution Exploring Operation: 27*18=486, Resulting Numbers: [486] 486,47 unequal: No Solution Moving to Node #0,2,4 Current State: 47:[22, 23], Operations: ['58-27=31', '54-31=23'] Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,47 unequal: No Solution Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,47 unequal: No Solution Moving to Node #0,3,0 Current State: 47:[58, 5], Operations: ['54-22=32', '32-27=5'] Exploring Operation: 58*5=290, Resulting Numbers: [290] 290,47 unequal: No Solution Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,47 unequal: No Solution Moving to Node #0,3,4 Current State: 47:[32, 85], Operations: ['54-22=32', '27+58=85'] Exploring Operation: 32*85=2720, Resulting Numbers: [2720] 2720,47 unequal: No Solution Exploring Operation: 85-32=53, Resulting Numbers: [53] 53,47 unequal: No Solution Exploring Operation: 32+85=117, Resulting Numbers: [117] 117,47 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 19, 52, 11, 5 ]
62
[ "11-5=6", "19*6=114", "114-52=62" ]
Current State: 62:[19, 52, 11, 5], Operations: [] Exploring Operation: 11-5=6, Resulting Numbers: [19, 52, 6] Generated Node #2: [19, 52, 6] from Operation: 11-5=6 Current State: 62:[19, 52, 6], Operations: ['11-5=6'] Exploring Operation: 19*6=114, Resulting Numbers: [52, 114] Generated Node #3: [52, 114] from Operation: 19*6=114 Current State: 62:[52, 114], Operations: ['11-5=6', '19*6=114'] Exploring Operation: 114-52=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[19, 52, 11, 5], Operations: [] Exploring Operation: 52-19=33, Resulting Numbers: [11, 5, 33] Generated Node #0,0: 62:[11, 5, 33] Operation: 52-19=33 Moving to Node #0,0 Current State: 62:[11, 5, 33], Operations: ['52-19=33'] Exploring Operation: 33/11=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 62:[5, 3] Operation: 33/11=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[5, 3], Operations: ['52-19=33', '33/11=3'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 5, 81, 11, 13 ]
88
[ "5+81=86", "13-11=2", "86+2=88" ]
Current State: 88:[5, 81, 11, 13], Operations: [] Exploring Operation: 5+81=86, Resulting Numbers: [11, 13, 86] Generated Node #2: [11, 13, 86] from Operation: 5+81=86 Current State: 88:[11, 13, 86], Operations: ['5+81=86'] Exploring Operation: 13-11=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 13-11=2 Current State: 88:[86, 2], Operations: ['5+81=86', '13-11=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[5, 81, 11, 13], Operations: [] Exploring Operation: 5+81=86, Resulting Numbers: [11, 13, 86] Generated Node #0,0: 88:[11, 13, 86] Operation: 5+81=86 Moving to Node #0,0 Current State: 88:[11, 13, 86], Operations: ['5+81=86'] Exploring Operation: 13-11=2, Resulting Numbers: [86, 2] Generated Node #0,0,0: 88:[86, 2] Operation: 13-11=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[86, 2], Operations: ['5+81=86', '13-11=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[5, 81, 11, 13], Operations: [] Exploring Operation: 5+81=86, Resulting Numbers: [11, 13, 86] Generated Node #0,0: 88:[11, 13, 86] Operation: 5+81=86 Moving to Node #0,0 Current State: 88:[11, 13, 86], Operations: ['5+81=86'] Exploring Operation: 13-11=2, Resulting Numbers: [86, 2] Generated Node #0,0,0: 88:[86, 2] Operation: 13-11=2 Moving to Node #0,0,0 Current State: 88:[86, 2], Operations: ['5+81=86', '13-11=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 50, 44, 19, 31 ]
62
[ "50*31=1550", "44-19=25", "1550/25=62" ]
Current State: 62:[50, 44, 19, 31], Operations: [] Exploring Operation: 50*31=1550, Resulting Numbers: [44, 19, 1550] Generated Node #2: [44, 19, 1550] from Operation: 50*31=1550 Current State: 62:[44, 19, 1550], Operations: ['50*31=1550'] Exploring Operation: 44-19=25, Resulting Numbers: [1550, 25] Generated Node #3: [1550, 25] from Operation: 44-19=25 Current State: 62:[1550, 25], Operations: ['50*31=1550', '44-19=25'] Exploring Operation: 1550/25=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[50, 44, 19, 31], Operations: [] Exploring Operation: 50-19=31, Resulting Numbers: [44, 31, 31] Generated Node #0,0: 62:[44, 31, 31] Operation: 50-19=31 Moving to Node #0,0 Current State: 62:[44, 31, 31], Operations: ['50-19=31'] Exploring Operation: 44-31=13, Resulting Numbers: [31, 13] Generated Node #0,0,0: 62:[31, 13] Operation: 44-31=13 Moving to Node #0,0,0 Current State: 62:[31, 13], Operations: ['50-19=31', '44-31=13'] Exploring Operation: 31+13=44, Resulting Numbers: [44] 44,62 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 70, 54, 73, 13 ]
64
[ "70+54=124", "73-13=60", "124-60=64" ]
Current State: 64:[70, 54, 73, 13], Operations: [] Exploring Operation: 70+54=124, Resulting Numbers: [73, 13, 124] Generated Node #2: [73, 13, 124] from Operation: 70+54=124 Current State: 64:[73, 13, 124], Operations: ['70+54=124'] Exploring Operation: 73-13=60, Resulting Numbers: [124, 60] Generated Node #3: [124, 60] from Operation: 73-13=60 Current State: 64:[124, 60], Operations: ['70+54=124', '73-13=60'] Exploring Operation: 124-60=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[70, 54, 73, 13], Operations: [] Exploring Operation: 70-54=16, Resulting Numbers: [73, 13, 16] Generated Node #0,0: 64:[73, 13, 16] Operation: 70-54=16 Exploring Operation: 73-54=19, Resulting Numbers: [70, 13, 19] Generated Node #0,1: 64:[70, 13, 19] Operation: 73-54=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[73, 13, 16], Operations: ['70-54=16'] Exploring Operation: 73-13=60, Resulting Numbers: [16, 60] Generated Node #0,0,0: 64:[16, 60] Operation: 73-13=60 Exploring Operation: 73-16=57, Resulting Numbers: [13, 57] Generated Node #0,0,1: 64:[13, 57] Operation: 73-16=57 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[16, 60], Operations: ['70-54=16', '73-13=60'] Exploring Operation: 60-16=44, Resulting Numbers: [44] 44,64 unequal: No Solution Exploring Operation: 16+60=76, Resulting Numbers: [76] 76,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 64:[13, 57], Operations: ['70-54=16', '73-16=57'] Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,64 unequal: No Solution Exploring Operation: 13+57=70, Resulting Numbers: [70] 70,64 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: 64:[70, 13, 19], Operations: ['73-54=19'] Exploring Operation: 19-13=6, Resulting Numbers: [70, 6] Generated Node #0,1,0: 64:[70, 6] Operation: 19-13=6 Exploring Operation: 13+19=32, Resulting Numbers: [70, 32] Generated Node #0,1,1: 64:[70, 32] Operation: 13+19=32 Moving to Node #0,1,1 Current State: 64:[70, 32], Operations: ['73-54=19', '13+19=32'] Exploring Operation: 70-32=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 70+32=102, Resulting Numbers: [102] 102,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[70, 6], Operations: ['73-54=19', '19-13=6'] Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,64 unequal: No Solution Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[70, 54, 73, 13], Operations: [] Exploring Operation: 73-54=19, Resulting Numbers: [70, 13, 19] Generated Node #0,1: 64:[70, 13, 19] Operation: 73-54=19 Moving to Node #0,1 Current State: 64:[70, 13, 19], Operations: ['73-54=19'] Exploring Operation: 19-13=6, Resulting Numbers: [70, 6] Generated Node #0,1,0: 64:[70, 6] Operation: 19-13=6 Moving to Node #0,1,0 Current State: 64:[70, 6], Operations: ['73-54=19', '19-13=6'] Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
mult_heuristic
[ 12, 50, 12, 13 ]
38
[ "50-12=38", "13-12=1", "38*1=38" ]
Current State: 38:[12, 50, 12, 13], Operations: [] Exploring Operation: 50-12=38, Resulting Numbers: [13, 38] Generated Node #2: [13, 38] from Operation: 50-12=38 Current State: 38:[13, 38], Operations: ['50-12=38'] Exploring Operation: 13-12=1, Resulting Numbers: [38, 1] Generated Node #3: [38, 1] from Operation: 13-12=1 Current State: 38:[38, 1], Operations: ['50-12=38', '13-12=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[12, 50, 12, 13], Operations: [] Exploring Operation: 50-12=38, Resulting Numbers: [12, 13, 38] Generated Node #0,0: 38:[12, 13, 38] Operation: 50-12=38 Moving to Node #0,0 Current State: 38:[12, 13, 38], Operations: ['50-12=38'] Exploring Operation: 13-12=1, Resulting Numbers: [38, 1] Generated Node #0,0,0: 38:[38, 1] Operation: 13-12=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[38, 1], Operations: ['50-12=38', '13-12=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[12, 50, 12, 13], Operations: [] Exploring Operation: 50-12=38, Resulting Numbers: [12, 13, 38] Generated Node #0,0: 38:[12, 13, 38] Operation: 50-12=38 Moving to Node #0,0 Current State: 38:[12, 13, 38], Operations: ['50-12=38'] Exploring Operation: 13-12=1, Resulting Numbers: [38, 1] Generated Node #0,0,0: 38:[38, 1] Operation: 13-12=1 Moving to Node #0,0,0 Current State: 38:[38, 1], Operations: ['50-12=38', '13-12=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 89, 47, 65, 7 ]
59
[ "89-47=42", "42/7=6", "65-6=59" ]
Current State: 59:[89, 47, 65, 7], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [65, 7, 42] Generated Node #2: [65, 7, 42] from Operation: 89-47=42 Current State: 59:[65, 7, 42], Operations: ['89-47=42'] Exploring Operation: 42/7=6, Resulting Numbers: [65, 6] Generated Node #3: [65, 6] from Operation: 42/7=6 Current State: 59:[65, 6], Operations: ['89-47=42', '42/7=6'] Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[89, 47, 65, 7], Operations: [] Exploring Operation: 47+7=54, Resulting Numbers: [89, 65, 54] Generated Node #0,0: 59:[89, 65, 54] Operation: 47+7=54 Exploring Operation: 89-7=82, Resulting Numbers: [47, 65, 82] Generated Node #0,1: 59:[47, 65, 82] Operation: 89-7=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[89, 65, 54], Operations: ['47+7=54'] Exploring Operation: 89-65=24, Resulting Numbers: [54, 24] Generated Node #0,0,0: 59:[54, 24] Operation: 89-65=24 Exploring Operation: 89-54=35, Resulting Numbers: [65, 35] Generated Node #0,0,1: 59:[65, 35] Operation: 89-54=35 Moving to Node #0,0,1 Current State: 59:[65, 35], Operations: ['47+7=54', '89-54=35'] Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,59 unequal: No Solution Exploring Operation: 65+35=100, Resulting Numbers: [100] 100,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[54, 24], Operations: ['47+7=54', '89-65=24'] Exploring Operation: 54+24=78, Resulting Numbers: [78] 78,59 unequal: No Solution Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[47, 65, 82], Operations: ['89-7=82'] Exploring Operation: 82-65=17, Resulting Numbers: [47, 17] Generated Node #0,1,0: 59:[47, 17] Operation: 82-65=17 Exploring Operation: 82-47=35, Resulting Numbers: [65, 35] Generated Node #0,1,1: 59:[65, 35] Operation: 82-47=35 Moving to Node #0,1,1 Current State: 59:[65, 35], Operations: ['89-7=82', '82-47=35'] Exploring Operation: 65+35=100, Resulting Numbers: [100] 100,59 unequal: No Solution Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[47, 17], Operations: ['89-7=82', '82-65=17'] Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,59 unequal: No Solution Exploring Operation: 47+17=64, Resulting Numbers: [64] 64,59 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
[ 8, 51, 59, 13 ]
22
[ "13-8=5", "51+59=110", "110/5=22" ]
Current State: 22:[8, 51, 59, 13], Operations: [] Exploring Operation: 13-8=5, Resulting Numbers: [51, 59, 5] Generated Node #2: [51, 59, 5] from Operation: 13-8=5 Current State: 22:[51, 59, 5], Operations: ['13-8=5'] Exploring Operation: 51+59=110, Resulting Numbers: [5, 110] Generated Node #3: [5, 110] from Operation: 51+59=110 Current State: 22:[5, 110], Operations: ['13-8=5', '51+59=110'] Exploring Operation: 110/5=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[8, 51, 59, 13], Operations: [] Exploring Operation: 59-51=8, Resulting Numbers: [8, 13, 8] Generated Node #0,0: 22:[8, 13, 8] Operation: 59-51=8 Moving to Node #0,0 Current State: 22:[8, 13, 8], Operations: ['59-51=8'] Exploring Operation: 8/8=1, Resulting Numbers: [13, 1] Generated Node #0,0,0: 22:[13, 1] Operation: 8/8=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[13, 1], Operations: ['59-51=8', '8/8=1'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,22 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
[ 2, 81, 39, 48 ]
27
[ "81-39=42", "42/2=21", "48-21=27" ]
Current State: 27:[2, 81, 39, 48], Operations: [] Exploring Operation: 81-39=42, Resulting Numbers: [2, 48, 42] Generated Node #2: [2, 48, 42] from Operation: 81-39=42 Current State: 27:[2, 48, 42], Operations: ['81-39=42'] Exploring Operation: 42/2=21, Resulting Numbers: [48, 21] Generated Node #3: [48, 21] from Operation: 42/2=21 Current State: 27:[48, 21], Operations: ['81-39=42', '42/2=21'] Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[2, 81, 39, 48], Operations: [] Exploring Operation: 81-39=42, Resulting Numbers: [2, 48, 42] Generated Node #0,0: 27:[2, 48, 42] Operation: 81-39=42 Exploring Operation: 48/2=24, Resulting Numbers: [81, 39, 24] Generated Node #0,1: 27:[81, 39, 24] Operation: 48/2=24 Exploring Operation: 81-48=33, Resulting Numbers: [2, 39, 33] Generated Node #0,2: 27:[2, 39, 33] Operation: 81-48=33 Exploring Operation: 48-39=9, Resulting Numbers: [2, 81, 9] Generated Node #0,3: 27:[2, 81, 9] Operation: 48-39=9 Exploring Operation: 81-2=79, Resulting Numbers: [39, 48, 79] Generated Node #0,4: 27:[39, 48, 79] Operation: 81-2=79 Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[2, 39, 33], Operations: ['81-48=33'] Exploring Operation: 39-2=37, Resulting Numbers: [33, 37] Generated Node #0,2,0: 27:[33, 37] Operation: 39-2=37 Exploring Operation: 39-33=6, Resulting Numbers: [2, 6] Generated Node #0,2,1: 27:[2, 6] Operation: 39-33=6 Exploring Operation: 2+39=41, Resulting Numbers: [33, 41] Generated Node #0,2,2: 27:[33, 41] Operation: 2+39=41 Exploring Operation: 2+33=35, Resulting Numbers: [39, 35] Generated Node #0,2,3: 27:[39, 35] Operation: 2+33=35 Exploring Operation: 33-2=31, Resulting Numbers: [39, 31] Generated Node #0,2,4: 27:[39, 31] Operation: 33-2=31 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 27:[2, 6], Operations: ['81-48=33', '39-33=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 27:[33, 37], Operations: ['81-48=33', '39-2=37'] Exploring Operation: 33+37=70, Resulting Numbers: [70] 70,27 unequal: No Solution Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 33*37=1221, Resulting Numbers: [1221] 1221,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 27:[39, 31], Operations: ['81-48=33', '33-2=31'] Exploring Operation: 39+31=70, Resulting Numbers: [70] 70,27 unequal: No Solution Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 39*31=1209, Resulting Numbers: [1209] 1209,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 27:[33, 41], Operations: ['81-48=33', '2+39=41'] Exploring Operation: 33+41=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 33*41=1353, Resulting Numbers: [1353] 1353,27 unequal: No Solution Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 27:[39, 35], Operations: ['81-48=33', '2+33=35'] Exploring Operation: 39+35=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 39*35=1365, Resulting Numbers: [1365] 1365,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[2, 48, 42], Operations: ['81-39=42'] Exploring Operation: 48-2=46, Resulting Numbers: [42, 46] Generated Node #0,0,0: 27:[42, 46] Operation: 48-2=46 Exploring Operation: 48/2=24, Resulting Numbers: [42, 24] Generated Node #0,0,1: 27:[42, 24] Operation: 48/2=24 Exploring Operation: 48-42=6, Resulting Numbers: [2, 6] Generated Node #0,0,2: 27:[2, 6] Operation: 48-42=6 Exploring Operation: 42-2=40, Resulting Numbers: [48, 40] Generated Node #0,0,3: 27:[48, 40] Operation: 42-2=40 Exploring Operation: 42/2=21, Resulting Numbers: [48, 21] Generated Node #0,0,4: 27:[48, 21] Operation: 42/2=21 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[2, 6], Operations: ['81-39=42', '48-42=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[42, 24], Operations: ['81-39=42', '48/2=24'] Exploring Operation: 42*24=1008, Resulting Numbers: [1008] 1008,27 unequal: No Solution Exploring Operation: 42+24=66, Resulting Numbers: [66] 66,27 unequal: No Solution Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 27:[48, 21], Operations: ['81-39=42', '42/2=21'] Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,27 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[2, 81, 39, 48], Operations: [] Exploring Operation: 81-39=42, Resulting Numbers: [2, 48, 42] Generated Node #0,0: 27:[2, 48, 42] Operation: 81-39=42 Moving to Node #0,0 Current State: 27:[2, 48, 42], Operations: ['81-39=42'] Exploring Operation: 42/2=21, Resulting Numbers: [48, 21] Generated Node #0,0,4: 27:[48, 21] Operation: 42/2=21 Moving to Node #0,0,4 Current State: 27:[48, 21], Operations: ['81-39=42', '42/2=21'] Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.961806
hs_5
sum_heuristic
[ 62, 32, 85, 1 ]
55
[ "62-32=30", "85*1=85", "85-30=55" ]
Current State: 55:[62, 32, 85, 1], Operations: [] Exploring Operation: 62-32=30, Resulting Numbers: [85, 1, 30] Generated Node #2: [85, 1, 30] from Operation: 62-32=30 Current State: 55:[85, 1, 30], Operations: ['62-32=30'] Exploring Operation: 85*1=85, Resulting Numbers: [30, 85] Generated Node #3: [30, 85] from Operation: 85*1=85 Current State: 55:[30, 85], Operations: ['62-32=30', '85*1=85'] Exploring Operation: 85-30=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[62, 32, 85, 1], Operations: [] Exploring Operation: 32-1=31, Resulting Numbers: [62, 85, 31] Generated Node #0,0: 55:[62, 85, 31] Operation: 32-1=31 Exploring Operation: 62-32=30, Resulting Numbers: [85, 1, 30] Generated Node #0,1: 55:[85, 1, 30] Operation: 62-32=30 Exploring Operation: 62-1=61, Resulting Numbers: [32, 85, 61] Generated Node #0,2: 55:[32, 85, 61] Operation: 62-1=61 Exploring Operation: 85-32=53, Resulting Numbers: [62, 1, 53] Generated Node #0,3: 55:[62, 1, 53] Operation: 85-32=53 Exploring Operation: 85-62=23, Resulting Numbers: [32, 1, 23] Generated Node #0,4: 55:[32, 1, 23] Operation: 85-62=23 Start Sub Search at level 1: Moving to Node #0,3 Current State: 55:[62, 1, 53], Operations: ['85-32=53'] Exploring Operation: 62-1=61, Resulting Numbers: [53, 61] Generated Node #0,3,0: 55:[53, 61] Operation: 62-1=61 Exploring Operation: 1+53=54, Resulting Numbers: [62, 54] Generated Node #0,3,1: 55:[62, 54] Operation: 1+53=54 Exploring Operation: 62*1=62, Resulting Numbers: [53, 62] Generated Node #0,3,2: 55:[53, 62] Operation: 62*1=62 Exploring Operation: 62/1=62, Resulting Numbers: [53, 62] Generated Node #0,3,3: 55:[53, 62] Operation: 62/1=62 Exploring Operation: 62-53=9, Resulting Numbers: [1, 9] Generated Node #0,3,4: 55:[1, 9] Operation: 62-53=9 Moving to Node #0,3,4 Current State: 55:[1, 9], Operations: ['85-32=53', '62-53=9'] Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,55 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,55 unequal: No Solution Moving to Node #0,3,1 Current State: 55:[62, 54], Operations: ['85-32=53', '1+53=54'] Exploring Operation: 62+54=116, Resulting Numbers: [116] 116,55 unequal: No Solution Exploring Operation: 62*54=3348, Resulting Numbers: [3348] 3348,55 unequal: No Solution Exploring Operation: 62-54=8, Resulting Numbers: [8] 8,55 unequal: No Solution Moving to Node #0,3,0 Current State: 55:[53, 61], Operations: ['85-32=53', '62-1=61'] Exploring Operation: 61-53=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 53*61=3233, Resulting Numbers: [3233] 3233,55 unequal: No Solution Exploring Operation: 53+61=114, Resulting Numbers: [114] 114,55 unequal: No Solution Moving to Node #0,3,2 Current State: 55:[53, 62], Operations: ['85-32=53', '62*1=62'] Exploring Operation: 53+62=115, Resulting Numbers: [115] 115,55 unequal: No Solution Exploring Operation: 62-53=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 53*62=3286, Resulting Numbers: [3286] 3286,55 unequal: No Solution Moving to Node #0,3,3 Current State: 55:[53, 62], Operations: ['85-32=53', '62/1=62'] Exploring Operation: 53+62=115, Resulting Numbers: [115] 115,55 unequal: No Solution Exploring Operation: 62-53=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 53*62=3286, Resulting Numbers: [3286] 3286,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 55:[32, 1, 23], Operations: ['85-62=23'] Exploring Operation: 32+23=55, Resulting Numbers: [1, 55] Generated Node #0,4,0: 55:[1, 55] Operation: 32+23=55 Exploring Operation: 32-23=9, Resulting Numbers: [1, 9] Generated Node #0,4,1: 55:[1, 9] Operation: 32-23=9 Exploring Operation: 23-1=22, Resulting Numbers: [32, 22] Generated Node #0,4,2: 55:[32, 22] Operation: 23-1=22 Exploring Operation: 32*1=32, Resulting Numbers: [23, 32] Generated Node #0,4,3: 55:[23, 32] Operation: 32*1=32 Exploring Operation: 32-1=31, Resulting Numbers: [23, 31] Generated Node #0,4,4: 55:[23, 31] Operation: 32-1=31 Moving to Node #0,4,0 Current State: 55:[1, 55], Operations: ['85-62=23', '32+23=55'] Exploring Operation: 1*55=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[62, 32, 85, 1], Operations: [] Exploring Operation: 85-62=23, Resulting Numbers: [32, 1, 23] Generated Node #0,4: 55:[32, 1, 23] Operation: 85-62=23 Moving to Node #0,4 Current State: 55:[32, 1, 23], Operations: ['85-62=23'] Exploring Operation: 32+23=55, Resulting Numbers: [1, 55] Generated Node #0,4,0: 55:[1, 55] Operation: 32+23=55 Moving to Node #0,4,0 Current State: 55:[1, 55], Operations: ['85-62=23', '32+23=55'] Exploring Operation: 1*55=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 39, 1, 82, 5 ]
39
[ "39-1=38", "82-5=77", "77-38=39" ]
Current State: 39:[39, 1, 82, 5], Operations: [] Exploring Operation: 39-1=38, Resulting Numbers: [82, 5, 38] Generated Node #2: [82, 5, 38] from Operation: 39-1=38 Current State: 39:[82, 5, 38], Operations: ['39-1=38'] Exploring Operation: 82-5=77, Resulting Numbers: [38, 77] Generated Node #3: [38, 77] from Operation: 82-5=77 Current State: 39:[38, 77], Operations: ['39-1=38', '82-5=77'] Exploring Operation: 77-38=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[39, 1, 82, 5], Operations: [] Exploring Operation: 82-5=77, Resulting Numbers: [39, 1, 77] Generated Node #0,0: 39:[39, 1, 77] Operation: 82-5=77 Exploring Operation: 82-1=81, Resulting Numbers: [39, 5, 81] Generated Node #0,1: 39:[39, 5, 81] Operation: 82-1=81 Exploring Operation: 82-39=43, Resulting Numbers: [1, 5, 43] Generated Node #0,2: 39:[1, 5, 43] Operation: 82-39=43 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[1, 5, 43], Operations: ['82-39=43'] Exploring Operation: 5-1=4, Resulting Numbers: [43, 4] Generated Node #0,2,0: 39:[43, 4] Operation: 5-1=4 Exploring Operation: 43-5=38, Resulting Numbers: [1, 38] Generated Node #0,2,1: 39:[1, 38] Operation: 43-5=38 Exploring Operation: 43-1=42, Resulting Numbers: [5, 42] Generated Node #0,2,2: 39:[5, 42] Operation: 43-1=42 Moving to Node #0,2,1 Current State: 39:[1, 38], Operations: ['82-39=43', '43-5=38'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 1*38=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 1+38=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[39, 1, 82, 5], Operations: [] Exploring Operation: 82-39=43, Resulting Numbers: [1, 5, 43] Generated Node #0,2: 39:[1, 5, 43] Operation: 82-39=43 Moving to Node #0,2 Current State: 39:[1, 5, 43], Operations: ['82-39=43'] Exploring Operation: 43-5=38, Resulting Numbers: [1, 38] Generated Node #0,2,1: 39:[1, 38] Operation: 43-5=38 Moving to Node #0,2,1 Current State: 39:[1, 38], Operations: ['82-39=43', '43-5=38'] Exploring Operation: 1+38=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 52, 74, 40, 61 ]
44
[ "74-61=13", "52/13=4", "40+4=44" ]
Current State: 44:[52, 74, 40, 61], Operations: [] Exploring Operation: 74-61=13, Resulting Numbers: [52, 40, 13] Generated Node #2: [52, 40, 13] from Operation: 74-61=13 Current State: 44:[52, 40, 13], Operations: ['74-61=13'] Exploring Operation: 52/13=4, Resulting Numbers: [40, 4] Generated Node #3: [40, 4] from Operation: 52/13=4 Current State: 44:[40, 4], Operations: ['74-61=13', '52/13=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[52, 74, 40, 61], Operations: [] Exploring Operation: 74-52=22, Resulting Numbers: [40, 61, 22] Generated Node #0,0: 44:[40, 61, 22] Operation: 74-52=22 Exploring Operation: 74-61=13, Resulting Numbers: [52, 40, 13] Generated Node #0,1: 44:[52, 40, 13] Operation: 74-61=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[52, 40, 13], Operations: ['74-61=13'] Exploring Operation: 52-40=12, Resulting Numbers: [13, 12] Generated Node #0,1,0: 44:[13, 12] Operation: 52-40=12 Exploring Operation: 52/13=4, Resulting Numbers: [40, 4] Generated Node #0,1,1: 44:[40, 4] Operation: 52/13=4 Moving to Node #0,1,0 Current State: 44:[13, 12], Operations: ['74-61=13', '52-40=12'] Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,44 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[40, 4], Operations: ['74-61=13', '52/13=4'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[52, 74, 40, 61], Operations: [] Exploring Operation: 74-61=13, Resulting Numbers: [52, 40, 13] Generated Node #0,1: 44:[52, 40, 13] Operation: 74-61=13 Moving to Node #0,1 Current State: 44:[52, 40, 13], Operations: ['74-61=13'] Exploring Operation: 52/13=4, Resulting Numbers: [40, 4] Generated Node #0,1,1: 44:[40, 4] Operation: 52/13=4 Moving to Node #0,1,1 Current State: 44:[40, 4], Operations: ['74-61=13', '52/13=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 20, 99, 93, 37 ]
30
[ "20*93=1860", "99-37=62", "1860/62=30" ]
Current State: 30:[20, 99, 93, 37], Operations: [] Exploring Operation: 20*93=1860, Resulting Numbers: [99, 37, 1860] Generated Node #2: [99, 37, 1860] from Operation: 20*93=1860 Current State: 30:[99, 37, 1860], Operations: ['20*93=1860'] Exploring Operation: 99-37=62, Resulting Numbers: [1860, 62] Generated Node #3: [1860, 62] from Operation: 99-37=62 Current State: 30:[1860, 62], Operations: ['20*93=1860', '99-37=62'] Exploring Operation: 1860/62=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[20, 99, 93, 37], Operations: [] Exploring Operation: 99-93=6, Resulting Numbers: [20, 37, 6] Generated Node #0,0: 30:[20, 37, 6] Operation: 99-93=6 Moving to Node #0,0 Current State: 30:[20, 37, 6], Operations: ['99-93=6'] Exploring Operation: 37-20=17, Resulting Numbers: [6, 17] Generated Node #0,0,0: 30:[6, 17] Operation: 37-20=17 Moving to Node #0,0,0 Current State: 30:[6, 17], Operations: ['99-93=6', '37-20=17'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,30 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 41, 6, 37, 64 ]
32
[ "41-6=35", "37-35=2", "64/2=32" ]
Current State: 32:[41, 6, 37, 64], Operations: [] Exploring Operation: 41-6=35, Resulting Numbers: [37, 64, 35] Generated Node #2: [37, 64, 35] from Operation: 41-6=35 Current State: 32:[37, 64, 35], Operations: ['41-6=35'] Exploring Operation: 37-35=2, Resulting Numbers: [64, 2] Generated Node #3: [64, 2] from Operation: 37-35=2 Current State: 32:[64, 2], Operations: ['41-6=35', '37-35=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[41, 6, 37, 64], Operations: [] Exploring Operation: 64-41=23, Resulting Numbers: [6, 37, 23] Generated Node #0,0: 32:[6, 37, 23] Operation: 64-41=23 Moving to Node #0,0 Current State: 32:[6, 37, 23], Operations: ['64-41=23'] Exploring Operation: 37-23=14, Resulting Numbers: [6, 14] Generated Node #0,0,0: 32:[6, 14] Operation: 37-23=14 Moving to Node #0,0,0 Current State: 32:[6, 14], Operations: ['64-41=23', '37-23=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,32 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 3, 16, 58, 67 ]
59
[ "58-16=42", "3*42=126", "126-67=59" ]
Current State: 59:[3, 16, 58, 67], Operations: [] Exploring Operation: 58-16=42, Resulting Numbers: [3, 67, 42] Generated Node #2: [3, 67, 42] from Operation: 58-16=42 Current State: 59:[3, 67, 42], Operations: ['58-16=42'] Exploring Operation: 3*42=126, Resulting Numbers: [67, 126] Generated Node #3: [67, 126] from Operation: 3*42=126 Current State: 59:[67, 126], Operations: ['58-16=42', '3*42=126'] Exploring Operation: 126-67=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[3, 16, 58, 67], Operations: [] Exploring Operation: 67-3=64, Resulting Numbers: [16, 58, 64] Generated Node #0,0: 59:[16, 58, 64] Operation: 67-3=64 Exploring Operation: 3+16=19, Resulting Numbers: [58, 67, 19] Generated Node #0,1: 59:[58, 67, 19] Operation: 3+16=19 Exploring Operation: 16-3=13, Resulting Numbers: [58, 67, 13] Generated Node #0,2: 59:[58, 67, 13] Operation: 16-3=13 Exploring Operation: 3+58=61, Resulting Numbers: [16, 67, 61] Generated Node #0,3: 59:[16, 67, 61] Operation: 3+58=61 Exploring Operation: 3*16=48, Resulting Numbers: [58, 67, 48] Generated Node #0,4: 59:[58, 67, 48] Operation: 3*16=48 Moving to Node #0,4 Current State: 59:[58, 67, 48], Operations: ['3*16=48'] Exploring Operation: 58-48=10, Resulting Numbers: [67, 10] Generated Node #0,4,0: 59:[67, 10] Operation: 58-48=10 Exploring Operation: 67-48=19, Resulting Numbers: [58, 19] Generated Node #0,4,1: 59:[58, 19] Operation: 67-48=19 Exploring Operation: 67+48=115, Resulting Numbers: [58, 115] Generated Node #0,4,2: 59:[58, 115] Operation: 67+48=115 Exploring Operation: 67-58=9, Resulting Numbers: [48, 9] Generated Node #0,4,3: 59:[48, 9] Operation: 67-58=9 Exploring Operation: 58+48=106, Resulting Numbers: [67, 106] Generated Node #0,4,4: 59:[67, 106] Operation: 58+48=106 Moving to Node #0,1 Current State: 59:[58, 67, 19], Operations: ['3+16=19'] Exploring Operation: 58+19=77, Resulting Numbers: [67, 77] Generated Node #0,1,0: 59:[67, 77] Operation: 58+19=77 Exploring Operation: 67-19=48, Resulting Numbers: [58, 48] Generated Node #0,1,1: 59:[58, 48] Operation: 67-19=48 Exploring Operation: 58-19=39, Resulting Numbers: [67, 39] Generated Node #0,1,2: 59:[67, 39] Operation: 58-19=39 Exploring Operation: 67+19=86, Resulting Numbers: [58, 86] Generated Node #0,1,3: 59:[58, 86] Operation: 67+19=86 Exploring Operation: 67-58=9, Resulting Numbers: [19, 9] Generated Node #0,1,4: 59:[19, 9] Operation: 67-58=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[58, 48], Operations: ['3+16=19', '67-19=48'] Exploring Operation: 58+48=106, Resulting Numbers: [106] 106,59 unequal: No Solution Exploring Operation: 58*48=2784, Resulting Numbers: [2784] 2784,59 unequal: No Solution Exploring Operation: 58-48=10, Resulting Numbers: [10] 10,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[67, 77], Operations: ['3+16=19', '58+19=77'] Exploring Operation: 67+77=144, Resulting Numbers: [144] 144,59 unequal: No Solution Exploring Operation: 67*77=5159, Resulting Numbers: [5159] 5159,59 unequal: No Solution Exploring Operation: 77-67=10, Resulting Numbers: [10] 10,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 59:[67, 39], Operations: ['3+16=19', '58-19=39'] Exploring Operation: 67-39=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 67+39=106, Resulting Numbers: [106] 106,59 unequal: No Solution Exploring Operation: 67*39=2613, Resulting Numbers: [2613] 2613,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 59:[58, 86], Operations: ['3+16=19', '67+19=86'] Exploring Operation: 58+86=144, Resulting Numbers: [144] 144,59 unequal: No Solution Exploring Operation: 58*86=4988, Resulting Numbers: [4988] 4988,59 unequal: No Solution Exploring Operation: 86-58=28, Resulting Numbers: [28] 28,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 59:[19, 9], Operations: ['3+16=19', '67-58=9'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 59:[16, 58, 64], Operations: ['67-3=64'] Exploring Operation: 16+64=80, Resulting Numbers: [58, 80] Generated Node #0,0,0: 59:[58, 80] Operation: 16+64=80 Exploring Operation: 16+58=74, Resulting Numbers: [64, 74] Generated Node #0,0,1: 59:[64, 74] Operation: 16+58=74 Exploring Operation: 64/16=4, Resulting Numbers: [58, 4] Generated Node #0,0,2: 59:[58, 4] Operation: 64/16=4 Exploring Operation: 58-16=42, Resulting Numbers: [64, 42] Generated Node #0,0,3: 59:[64, 42] Operation: 58-16=42 Exploring Operation: 64-16=48, Resulting Numbers: [58, 48] Generated Node #0,0,4: 59:[58, 48] Operation: 64-16=48 Moving to Node #0,3 Current State: 59:[16, 67, 61], Operations: ['3+58=61'] Exploring Operation: 61-16=45, Resulting Numbers: [67, 45] Generated Node #0,3,0: 59:[67, 45] Operation: 61-16=45 Exploring Operation: 67-61=6, Resulting Numbers: [16, 6] Generated Node #0,3,1: 59:[16, 6] Operation: 67-61=6 Exploring Operation: 16+67=83, Resulting Numbers: [61, 83] Generated Node #0,3,2: 59:[61, 83] Operation: 16+67=83 Exploring Operation: 16+61=77, Resulting Numbers: [67, 77] Generated Node #0,3,3: 59:[67, 77] Operation: 16+61=77 Exploring Operation: 67-16=51, Resulting Numbers: [61, 51] Generated Node #0,3,4: 59:[61, 51] Operation: 67-16=51 Moving to Node #0,2 Current State: 59:[58, 67, 13], Operations: ['16-3=13'] Exploring Operation: 58+13=71, Resulting Numbers: [67, 71] Generated Node #0,2,0: 59:[67, 71] Operation: 58+13=71 Exploring Operation: 67+13=80, Resulting Numbers: [58, 80] Generated Node #0,2,1: 59:[58, 80] Operation: 67+13=80 Exploring Operation: 67-58=9, Resulting Numbers: [13, 9] Generated Node #0,2,2: 59:[13, 9] Operation: 67-58=9 Exploring Operation: 67-13=54, Resulting Numbers: [58, 54] Generated Node #0,2,3: 59:[58, 54] Operation: 67-13=54 Exploring Operation: 58-13=45, Resulting Numbers: [67, 45] Generated Node #0,2,4: 59:[67, 45] Operation: 58-13=45 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 59:[58, 54], Operations: ['16-3=13', '67-13=54'] Exploring Operation: 58+54=112, Resulting Numbers: [112] 112,59 unequal: No Solution Exploring Operation: 58*54=3132, Resulting Numbers: [3132] 3132,59 unequal: No Solution Exploring Operation: 58-54=4, Resulting Numbers: [4] 4,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 59:[67, 71], Operations: ['16-3=13', '58+13=71'] Exploring Operation: 67+71=138, Resulting Numbers: [138] 138,59 unequal: No Solution Exploring Operation: 67*71=4757, Resulting Numbers: [4757] 4757,59 unequal: No Solution Exploring Operation: 71-67=4, Resulting Numbers: [4] 4,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 59:[58, 80], Operations: ['16-3=13', '67+13=80'] Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,59 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 58*80=4640, Resulting Numbers: [4640] 4640,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 59:[67, 45], Operations: ['16-3=13', '58-13=45'] Exploring Operation: 67-45=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 67+45=112, Resulting Numbers: [112] 112,59 unequal: No Solution Exploring Operation: 67*45=3015, Resulting Numbers: [3015] 3015,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 59:[13, 9], Operations: ['16-3=13', '67-58=9'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,59 unequal: No Solution Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,4 Current State: 59:[61, 51], Operations: ['3+58=61', '67-16=51'] Exploring Operation: 61*51=3111, Resulting Numbers: [3111] 3111,59 unequal: No Solution Exploring Operation: 61-51=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 61+51=112, Resulting Numbers: [112] 112,59 unequal: No Solution Moving to Node #0,0,4 Current State: 59:[58, 48], Operations: ['67-3=64', '64-16=48'] Exploring Operation: 58-48=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 58*48=2784, Resulting Numbers: [2784] 2784,59 unequal: No Solution Exploring Operation: 58+48=106, Resulting Numbers: [106] 106,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[64, 74], Operations: ['67-3=64', '16+58=74'] Exploring Operation: 74-64=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 64+74=138, Resulting Numbers: [138] 138,59 unequal: No Solution Exploring Operation: 64*74=4736, Resulting Numbers: [4736] 4736,59 unequal: No Solution Moving to Node #0,3,0 Current State: 59:[67, 45], Operations: ['3+58=61', '61-16=45'] Exploring Operation: 67-45=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 67+45=112, Resulting Numbers: [112] 112,59 unequal: No Solution Exploring Operation: 67*45=3015, Resulting Numbers: [3015] 3015,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[58, 80], Operations: ['67-3=64', '16+64=80'] Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,59 unequal: No Solution Exploring Operation: 58*80=4640, Resulting Numbers: [4640] 4640,59 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[64, 42], Operations: ['67-3=64', '58-16=42'] Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 64+42=106, Resulting Numbers: [106] 106,59 unequal: No Solution Exploring Operation: 64*42=2688, Resulting Numbers: [2688] 2688,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[67, 77], Operations: ['3+58=61', '16+61=77'] Exploring Operation: 67+77=144, Resulting Numbers: [144] 144,59 unequal: No Solution Exploring Operation: 67*77=5159, Resulting Numbers: [5159] 5159,59 unequal: No Solution Exploring Operation: 77-67=10, Resulting Numbers: [10] 10,59 unequal: No Solution Moving to Node #0,3,2 Current State: 59:[61, 83], Operations: ['3+58=61', '16+67=83'] Exploring Operation: 83-61=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 61*83=5063, Resulting Numbers: [5063] 5063,59 unequal: No Solution Exploring Operation: 61+83=144, Resulting Numbers: [144] 144,59 unequal: No Solution Moving to Node #0,4,1 Current State: 59:[58, 19], Operations: ['3*16=48', '67-48=19'] Exploring Operation: 58*19=1102, Resulting Numbers: [1102] 1102,59 unequal: No Solution Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 58+19=77, Resulting Numbers: [77] 77,59 unequal: No Solution Moving to Node #0,4,4 Current State: 59:[67, 106], Operations: ['3*16=48', '58+48=106'] Exploring Operation: 67*106=7102, Resulting Numbers: [7102] 7102,59 unequal: No Solution Exploring Operation: 106-67=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 67+106=173, Resulting Numbers: [173] 173,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[58, 4], Operations: ['67-3=64', '64/16=4'] Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,59 unequal: No Solution Exploring Operation: 58*4=232, Resulting Numbers: [232] 232,59 unequal: No Solution Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,59 unequal: No Solution Moving to Node #0,4,2 Current State: 59:[58, 115], Operations: ['3*16=48', '67+48=115'] Exploring Operation: 58*115=6670, Resulting Numbers: [6670] 6670,59 unequal: No Solution Exploring Operation: 58+115=173, Resulting Numbers: [173] 173,59 unequal: No Solution Exploring Operation: 115-58=57, Resulting Numbers: [57] 57,59 unequal: No Solution Moving to Node #0,4,0 Current State: 59:[67, 10], Operations: ['3*16=48', '58-48=10'] Exploring Operation: 67-10=57, Resulting Numbers: [57] 57,59 unequal: No Solution Exploring Operation: 67*10=670, Resulting Numbers: [670] 670,59 unequal: No Solution Exploring Operation: 67+10=77, Resulting Numbers: [77] 77,59 unequal: No Solution Moving to Node #0,4,3 Current State: 59:[48, 9], Operations: ['3*16=48', '67-58=9'] Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,59 unequal: No Solution Exploring Operation: 48*9=432, Resulting Numbers: [432] 432,59 unequal: No Solution Moving to Node #0,3,1 Current State: 59:[16, 6], Operations: ['3+58=61', '67-61=6'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,59 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 49, 78, 8, 54 ]
46
[ "78-54=24", "24/8=3", "49-3=46" ]
Current State: 46:[49, 78, 8, 54], Operations: [] Exploring Operation: 78-54=24, Resulting Numbers: [49, 8, 24] Generated Node #2: [49, 8, 24] from Operation: 78-54=24 Current State: 46:[49, 8, 24], Operations: ['78-54=24'] Exploring Operation: 24/8=3, Resulting Numbers: [49, 3] Generated Node #3: [49, 3] from Operation: 24/8=3 Current State: 46:[49, 3], Operations: ['78-54=24', '24/8=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[49, 78, 8, 54], Operations: [] Exploring Operation: 78-54=24, Resulting Numbers: [49, 8, 24] Generated Node #0,0: 46:[49, 8, 24] Operation: 78-54=24 Exploring Operation: 78-49=29, Resulting Numbers: [8, 54, 29] Generated Node #0,1: 46:[8, 54, 29] Operation: 78-49=29 Moving to Node #0,0 Current State: 46:[49, 8, 24], Operations: ['78-54=24'] Exploring Operation: 24/8=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 46:[49, 3] Operation: 24/8=3 Exploring Operation: 49-8=41, Resulting Numbers: [24, 41] Generated Node #0,0,1: 46:[24, 41] Operation: 49-8=41 Moving to Node #0,1 Current State: 46:[8, 54, 29], Operations: ['78-49=29'] Exploring Operation: 54-8=46, Resulting Numbers: [29, 46] Generated Node #0,1,0: 46:[29, 46] Operation: 54-8=46 Exploring Operation: 54-29=25, Resulting Numbers: [8, 25] Generated Node #0,1,1: 46:[8, 25] Operation: 54-29=25 Moving to Node #0,0,0 Current State: 46:[49, 3], Operations: ['78-54=24', '24/8=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[49, 78, 8, 54], Operations: [] Exploring Operation: 78-54=24, Resulting Numbers: [49, 8, 24] Generated Node #0,0: 46:[49, 8, 24] Operation: 78-54=24 Moving to Node #0,0 Current State: 46:[49, 8, 24], Operations: ['78-54=24'] Exploring Operation: 24/8=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 46:[49, 3] Operation: 24/8=3 Moving to Node #0,0,0 Current State: 46:[49, 3], Operations: ['78-54=24', '24/8=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 60, 98, 52, 52 ]
10
[ "98-52=46", "52-46=6", "60/6=10" ]
Current State: 10:[60, 98, 52, 52], Operations: [] Exploring Operation: 98-52=46, Resulting Numbers: [60, 46] Generated Node #2: [60, 46] from Operation: 98-52=46 Current State: 10:[60, 46], Operations: ['98-52=46'] Exploring Operation: 52-46=6, Resulting Numbers: [60, 6] Generated Node #3: [60, 6] from Operation: 52-46=6 Current State: 10:[60, 6], Operations: ['98-52=46', '52-46=6'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[60, 98, 52, 52], Operations: [] Exploring Operation: 98-60=38, Resulting Numbers: [52, 52, 38] Generated Node #0,0: 10:[52, 52, 38] Operation: 98-60=38 Exploring Operation: 98-52=46, Resulting Numbers: [60, 52, 46] Generated Node #0,1: 10:[60, 52, 46] Operation: 98-52=46 Exploring Operation: 98-52=46, Resulting Numbers: [60, 52, 46] Generated Node #0,2: 10:[60, 52, 46] Operation: 98-52=46 Moving to Node #0,0 Current State: 10:[52, 52, 38], Operations: ['98-60=38'] Exploring Operation: 52/52=1, Resulting Numbers: [38, 1] Generated Node #0,0,0: 10:[38, 1] Operation: 52/52=1 Exploring Operation: 52-52=0, Resulting Numbers: [38, 0] Generated Node #0,0,1: 10:[38, 0] Operation: 52-52=0 Exploring Operation: 52-38=14, Resulting Numbers: [52, 14] Generated Node #0,0,2: 10:[52, 14] Operation: 52-38=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[38, 1], Operations: ['98-60=38', '52/52=1'] Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 10:[38, 0], Operations: ['98-60=38', '52-52=0'] Exploring Operation: 38+0=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 38-0=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 38*0=0, Resulting Numbers: [0] 0,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 10:[52, 14], Operations: ['98-60=38', '52-38=14'] Exploring Operation: 52*14=728, Resulting Numbers: [728] 728,10 unequal: No Solution Exploring Operation: 52+14=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 10:[60, 52, 46], Operations: ['98-52=46'] Exploring Operation: 60-46=14, Resulting Numbers: [52, 14] Generated Node #0,1,0: 10:[52, 14] Operation: 60-46=14 Exploring Operation: 60-52=8, Resulting Numbers: [46, 8] Generated Node #0,1,1: 10:[46, 8] Operation: 60-52=8 Exploring Operation: 52-46=6, Resulting Numbers: [60, 6] Generated Node #0,1,2: 10:[60, 6] Operation: 52-46=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 10:[46, 8], Operations: ['98-52=46', '60-52=8'] Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,10 unequal: No Solution Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 10:[52, 14], Operations: ['98-52=46', '60-46=14'] Exploring Operation: 52+14=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 52*14=728, Resulting Numbers: [728] 728,10 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 10:[60, 6], Operations: ['98-52=46', '52-46=6'] Exploring Operation: 60-6=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 60+6=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[60, 98, 52, 52], Operations: [] Exploring Operation: 98-52=46, Resulting Numbers: [60, 52, 46] Generated Node #0,1: 10:[60, 52, 46] Operation: 98-52=46 Moving to Node #0,1 Current State: 10:[60, 52, 46], Operations: ['98-52=46'] Exploring Operation: 52-46=6, Resulting Numbers: [60, 6] Generated Node #0,1,2: 10:[60, 6] Operation: 52-46=6 Moving to Node #0,1,2 Current State: 10:[60, 6], Operations: ['98-52=46', '52-46=6'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 66, 96, 4, 24 ]
36
[ "96-66=30", "24/4=6", "30+6=36" ]
Current State: 36:[66, 96, 4, 24], Operations: [] Exploring Operation: 96-66=30, Resulting Numbers: [4, 24, 30] Generated Node #2: [4, 24, 30] from Operation: 96-66=30 Current State: 36:[4, 24, 30], Operations: ['96-66=30'] Exploring Operation: 24/4=6, Resulting Numbers: [30, 6] Generated Node #3: [30, 6] from Operation: 24/4=6 Current State: 36:[30, 6], Operations: ['96-66=30', '24/4=6'] Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[66, 96, 4, 24], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [66, 24, 24] Generated Node #0,0: 36:[66, 24, 24] Operation: 96/4=24 Exploring Operation: 66-24=42, Resulting Numbers: [96, 4, 42] Generated Node #0,1: 36:[96, 4, 42] Operation: 66-24=42 Exploring Operation: 96/24=4, Resulting Numbers: [66, 4, 4] Generated Node #0,2: 36:[66, 4, 4] Operation: 96/24=4 Exploring Operation: 96-66=30, Resulting Numbers: [4, 24, 30] Generated Node #0,3: 36:[4, 24, 30] Operation: 96-66=30 Start Sub Search at level 1: Moving to Node #0,3 Current State: 36:[4, 24, 30], Operations: ['96-66=30'] Exploring Operation: 24-4=20, Resulting Numbers: [30, 20] Generated Node #0,3,0: 36:[30, 20] Operation: 24-4=20 Exploring Operation: 24/4=6, Resulting Numbers: [30, 6] Generated Node #0,3,1: 36:[30, 6] Operation: 24/4=6 Exploring Operation: 30-24=6, Resulting Numbers: [4, 6] Generated Node #0,3,2: 36:[4, 6] Operation: 30-24=6 Exploring Operation: 4+30=34, Resulting Numbers: [24, 34] Generated Node #0,3,3: 36:[24, 34] Operation: 4+30=34 Moving to Node #0,3,2 Current State: 36:[4, 6], Operations: ['96-66=30', '30-24=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,36 unequal: No Solution Moving to Node #0,3,1 Current State: 36:[30, 6], Operations: ['96-66=30', '24/4=6'] Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 30*6=180, Resulting Numbers: [180] 180,36 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,36 unequal: No Solution Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[66, 96, 4, 24], Operations: [] Exploring Operation: 96-66=30, Resulting Numbers: [4, 24, 30] Generated Node #0,3: 36:[4, 24, 30] Operation: 96-66=30 Moving to Node #0,3 Current State: 36:[4, 24, 30], Operations: ['96-66=30'] Exploring Operation: 24/4=6, Resulting Numbers: [30, 6] Generated Node #0,3,1: 36:[30, 6] Operation: 24/4=6 Moving to Node #0,3,1 Current State: 36:[30, 6], Operations: ['96-66=30', '24/4=6'] Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 76, 40, 89, 35 ]
75
[ "76*40=3040", "89*35=3115", "3115-3040=75" ]
Current State: 75:[76, 40, 89, 35], Operations: [] Exploring Operation: 76*40=3040, Resulting Numbers: [89, 35, 3040] Generated Node #2: [89, 35, 3040] from Operation: 76*40=3040 Current State: 75:[89, 35, 3040], Operations: ['76*40=3040'] Exploring Operation: 89*35=3115, Resulting Numbers: [3040, 3115] Generated Node #3: [3040, 3115] from Operation: 89*35=3115 Current State: 75:[3040, 3115], Operations: ['76*40=3040', '89*35=3115'] Exploring Operation: 3115-3040=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[76, 40, 89, 35], Operations: [] Exploring Operation: 40+35=75, Resulting Numbers: [76, 89, 75] Generated Node #0,0: 75:[76, 89, 75] Operation: 40+35=75 Exploring Operation: 40-35=5, Resulting Numbers: [76, 89, 5] Generated Node #0,1: 75:[76, 89, 5] Operation: 40-35=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[76, 89, 75], Operations: ['40+35=75'] Exploring Operation: 89-75=14, Resulting Numbers: [76, 14] Generated Node #0,0,0: 75:[76, 14] Operation: 89-75=14 Exploring Operation: 89-76=13, Resulting Numbers: [75, 13] Generated Node #0,0,1: 75:[75, 13] Operation: 89-76=13 Moving to Node #0,0,0 Current State: 75:[76, 14], Operations: ['40+35=75', '89-75=14'] Exploring Operation: 76+14=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 76-14=62, Resulting Numbers: [62] 62,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[75, 13], Operations: ['40+35=75', '89-76=13'] Exploring Operation: 75-13=62, Resulting Numbers: [62] 62,75 unequal: No Solution Exploring Operation: 75+13=88, Resulting Numbers: [88] 88,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[76, 89, 5], Operations: ['40-35=5'] Exploring Operation: 89-76=13, Resulting Numbers: [5, 13] Generated Node #0,1,0: 75:[5, 13] Operation: 89-76=13 Exploring Operation: 89-5=84, Resulting Numbers: [76, 84] Generated Node #0,1,1: 75:[76, 84] Operation: 89-5=84 Moving to Node #0,1,0 Current State: 75:[5, 13], Operations: ['40-35=5', '89-76=13'] Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[76, 84], Operations: ['40-35=5', '89-5=84'] Exploring Operation: 76+84=160, Resulting Numbers: [160] 160,75 unequal: No Solution Exploring Operation: 84-76=8, Resulting Numbers: [8] 8,75 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
[ 63, 41, 29, 44 ]
58
[ "63-41=22", "29*44=1276", "1276/22=58" ]
Current State: 58:[63, 41, 29, 44], Operations: [] Exploring Operation: 63-41=22, Resulting Numbers: [29, 44, 22] Generated Node #2: [29, 44, 22] from Operation: 63-41=22 Current State: 58:[29, 44, 22], Operations: ['63-41=22'] Exploring Operation: 29*44=1276, Resulting Numbers: [22, 1276] Generated Node #3: [22, 1276] from Operation: 29*44=1276 Current State: 58:[22, 1276], Operations: ['63-41=22', '29*44=1276'] Exploring Operation: 1276/22=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[63, 41, 29, 44], Operations: [] Exploring Operation: 44-41=3, Resulting Numbers: [63, 29, 3] Generated Node #0,0: 58:[63, 29, 3] Operation: 44-41=3 Moving to Node #0,0 Current State: 58:[63, 29, 3], Operations: ['44-41=3'] Exploring Operation: 63-3=60, Resulting Numbers: [29, 60] Generated Node #0,0,0: 58:[29, 60] Operation: 63-3=60 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[29, 60], Operations: ['44-41=3', '63-3=60'] Exploring Operation: 60-29=31, Resulting Numbers: [31] 31,58 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
[ 85, 18, 31, 28 ]
100
[ "85+18=103", "31-28=3", "103-3=100" ]
Current State: 100:[85, 18, 31, 28], Operations: [] Exploring Operation: 85+18=103, Resulting Numbers: [31, 28, 103] Generated Node #2: [31, 28, 103] from Operation: 85+18=103 Current State: 100:[31, 28, 103], Operations: ['85+18=103'] Exploring Operation: 31-28=3, Resulting Numbers: [103, 3] Generated Node #3: [103, 3] from Operation: 31-28=3 Current State: 100:[103, 3], Operations: ['85+18=103', '31-28=3'] Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[85, 18, 31, 28], Operations: [] Exploring Operation: 85+18=103, Resulting Numbers: [31, 28, 103] Generated Node #0,0: 100:[31, 28, 103] Operation: 85+18=103 Exploring Operation: 85-28=57, Resulting Numbers: [18, 31, 57] Generated Node #0,1: 100:[18, 31, 57] Operation: 85-28=57 Exploring Operation: 85-31=54, Resulting Numbers: [18, 28, 54] Generated Node #0,2: 100:[18, 28, 54] Operation: 85-31=54 Moving to Node #0,2 Current State: 100:[18, 28, 54], Operations: ['85-31=54'] Exploring Operation: 54-28=26, Resulting Numbers: [18, 26] Generated Node #0,2,0: 100:[18, 26] Operation: 54-28=26 Exploring Operation: 54/18=3, Resulting Numbers: [28, 3] Generated Node #0,2,1: 100:[28, 3] Operation: 54/18=3 Exploring Operation: 28-18=10, Resulting Numbers: [54, 10] Generated Node #0,2,2: 100:[54, 10] Operation: 28-18=10 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 100:[18, 26], Operations: ['85-31=54', '54-28=26'] Exploring Operation: 18*26=468, Resulting Numbers: [468] 468,100 unequal: No Solution Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,100 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,100 unequal: No Solution No 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: 100:[28, 3], Operations: ['85-31=54', '54/18=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,100 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,100 unequal: No Solution No 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: 100:[54, 10], Operations: ['85-31=54', '28-18=10'] Exploring Operation: 54-10=44, Resulting Numbers: [44] 44,100 unequal: No Solution Exploring Operation: 54*10=540, Resulting Numbers: [540] 540,100 unequal: No Solution Exploring Operation: 54+10=64, Resulting Numbers: [64] 64,100 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: 100:[31, 28, 103], Operations: ['85+18=103'] Exploring Operation: 31-28=3, Resulting Numbers: [103, 3] Generated Node #0,0,0: 100:[103, 3] Operation: 31-28=3 Exploring Operation: 31+28=59, Resulting Numbers: [103, 59] Generated Node #0,0,1: 100:[103, 59] Operation: 31+28=59 Exploring Operation: 103-31=72, Resulting Numbers: [28, 72] Generated Node #0,0,2: 100:[28, 72] Operation: 103-31=72 Moving to Node #0,1 Current State: 100:[18, 31, 57], Operations: ['85-28=57'] Exploring Operation: 57-31=26, Resulting Numbers: [18, 26] Generated Node #0,1,0: 100:[18, 26] Operation: 57-31=26 Exploring Operation: 31-18=13, Resulting Numbers: [57, 13] Generated Node #0,1,1: 100:[57, 13] Operation: 31-18=13 Exploring Operation: 18+31=49, Resulting Numbers: [57, 49] Generated Node #0,1,2: 100:[57, 49] Operation: 18+31=49 Moving to Node #0,1,0 Current State: 100:[18, 26], Operations: ['85-28=57', '57-31=26'] Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 18+26=44, Resulting Numbers: [44] 44,100 unequal: No Solution Exploring Operation: 18*26=468, Resulting Numbers: [468] 468,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[103, 3], Operations: ['85+18=103', '31-28=3'] Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[85, 18, 31, 28], Operations: [] Exploring Operation: 85+18=103, Resulting Numbers: [31, 28, 103] Generated Node #0,0: 100:[31, 28, 103] Operation: 85+18=103 Moving to Node #0,0 Current State: 100:[31, 28, 103], Operations: ['85+18=103'] Exploring Operation: 31-28=3, Resulting Numbers: [103, 3] Generated Node #0,0,0: 100:[103, 3] Operation: 31-28=3 Moving to Node #0,0,0 Current State: 100:[103, 3], Operations: ['85+18=103', '31-28=3'] Exploring Operation: 103-3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
0.974826
hs_3
sum_heuristic
[ 70, 62, 13, 2 ]
52
[ "70-62=8", "13*8=104", "104/2=52" ]
Current State: 52:[70, 62, 13, 2], Operations: [] Exploring Operation: 70-62=8, Resulting Numbers: [13, 2, 8] Generated Node #2: [13, 2, 8] from Operation: 70-62=8 Current State: 52:[13, 2, 8], Operations: ['70-62=8'] Exploring Operation: 13*8=104, Resulting Numbers: [2, 104] Generated Node #3: [2, 104] from Operation: 13*8=104 Current State: 52:[2, 104], Operations: ['70-62=8', '13*8=104'] Exploring Operation: 104/2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[70, 62, 13, 2], Operations: [] Exploring Operation: 70-13=57, Resulting Numbers: [62, 2, 57] Generated Node #0,0: 52:[62, 2, 57] Operation: 70-13=57 Exploring Operation: 70-62=8, Resulting Numbers: [13, 2, 8] Generated Node #0,1: 52:[13, 2, 8] Operation: 70-62=8 Moving to Node #0,1 Current State: 52:[13, 2, 8], Operations: ['70-62=8'] Exploring Operation: 13-8=5, Resulting Numbers: [2, 5] Generated Node #0,1,0: 52:[2, 5] Operation: 13-8=5 Exploring Operation: 8/2=4, Resulting Numbers: [13, 4] Generated Node #0,1,1: 52:[13, 4] Operation: 8/2=4 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[13, 4], Operations: ['70-62=8', '8/2=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[70, 62, 13, 2], Operations: [] Exploring Operation: 70-62=8, Resulting Numbers: [13, 2, 8] Generated Node #0,1: 52:[13, 2, 8] Operation: 70-62=8 Moving to Node #0,1 Current State: 52:[13, 2, 8], Operations: ['70-62=8'] Exploring Operation: 8/2=4, Resulting Numbers: [13, 4] Generated Node #0,1,1: 52:[13, 4] Operation: 8/2=4 Moving to Node #0,1,1 Current State: 52:[13, 4], Operations: ['70-62=8', '8/2=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 52, 63, 95, 85 ]
21
[ "63-52=11", "95-85=10", "11+10=21" ]
Current State: 21:[52, 63, 95, 85], Operations: [] Exploring Operation: 63-52=11, Resulting Numbers: [95, 85, 11] Generated Node #2: [95, 85, 11] from Operation: 63-52=11 Current State: 21:[95, 85, 11], Operations: ['63-52=11'] Exploring Operation: 95-85=10, Resulting Numbers: [11, 10] Generated Node #3: [11, 10] from Operation: 95-85=10 Current State: 21:[11, 10], Operations: ['63-52=11', '95-85=10'] Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[52, 63, 95, 85], Operations: [] Exploring Operation: 95-63=32, Resulting Numbers: [52, 85, 32] Generated Node #0,0: 21:[52, 85, 32] Operation: 95-63=32 Exploring Operation: 85-63=22, Resulting Numbers: [52, 95, 22] Generated Node #0,1: 21:[52, 95, 22] Operation: 85-63=22 Exploring Operation: 95-52=43, Resulting Numbers: [63, 85, 43] Generated Node #0,2: 21:[63, 85, 43] Operation: 95-52=43 Exploring Operation: 95-85=10, Resulting Numbers: [52, 63, 10] Generated Node #0,3: 21:[52, 63, 10] Operation: 95-85=10 Start Sub Search at level 1: Moving to Node #0,3 Current State: 21:[52, 63, 10], Operations: ['95-85=10'] Exploring Operation: 52+10=62, Resulting Numbers: [63, 62] Generated Node #0,3,0: 21:[63, 62] Operation: 52+10=62 Exploring Operation: 52-10=42, Resulting Numbers: [63, 42] Generated Node #0,3,1: 21:[63, 42] Operation: 52-10=42 Exploring Operation: 63-52=11, Resulting Numbers: [10, 11] Generated Node #0,3,2: 21:[10, 11] Operation: 63-52=11 Exploring Operation: 63-10=53, Resulting Numbers: [52, 53] Generated Node #0,3,3: 21:[52, 53] Operation: 63-10=53 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 21:[10, 11], Operations: ['95-85=10', '63-52=11'] Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,21 unequal: No Solution Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[52, 63, 95, 85], Operations: [] Exploring Operation: 95-85=10, Resulting Numbers: [52, 63, 10] Generated Node #0,3: 21:[52, 63, 10] Operation: 95-85=10 Moving to Node #0,3 Current State: 21:[52, 63, 10], Operations: ['95-85=10'] Exploring Operation: 63-52=11, Resulting Numbers: [10, 11] Generated Node #0,3,2: 21:[10, 11] Operation: 63-52=11 Moving to Node #0,3,2 Current State: 21:[10, 11], Operations: ['95-85=10', '63-52=11'] Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 53, 20, 23, 88 ]
98
[ "53-20=33", "88-23=65", "33+65=98" ]
Current State: 98:[53, 20, 23, 88], Operations: [] Exploring Operation: 53-20=33, Resulting Numbers: [23, 88, 33] Generated Node #2: [23, 88, 33] from Operation: 53-20=33 Current State: 98:[23, 88, 33], Operations: ['53-20=33'] Exploring Operation: 88-23=65, Resulting Numbers: [33, 65] Generated Node #3: [33, 65] from Operation: 88-23=65 Current State: 98:[33, 65], Operations: ['53-20=33', '88-23=65'] Exploring Operation: 33+65=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[53, 20, 23, 88], Operations: [] Exploring Operation: 23-20=3, Resulting Numbers: [53, 88, 3] Generated Node #0,0: 98:[53, 88, 3] Operation: 23-20=3 Exploring Operation: 20+23=43, Resulting Numbers: [53, 88, 43] Generated Node #0,1: 98:[53, 88, 43] Operation: 20+23=43 Moving to Node #0,0 Current State: 98:[53, 88, 3], Operations: ['23-20=3'] Exploring Operation: 53-3=50, Resulting Numbers: [88, 50] Generated Node #0,0,0: 98:[88, 50] Operation: 53-3=50 Exploring Operation: 88+3=91, Resulting Numbers: [53, 91] Generated Node #0,0,1: 98:[53, 91] Operation: 88+3=91 Moving to Node #0,1 Current State: 98:[53, 88, 43], Operations: ['20+23=43'] Exploring Operation: 88-43=45, Resulting Numbers: [53, 45] Generated Node #0,1,0: 98:[53, 45] Operation: 88-43=45 Exploring Operation: 53+43=96, Resulting Numbers: [88, 96] Generated Node #0,1,1: 98:[88, 96] Operation: 53+43=96 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[53, 45], Operations: ['20+23=43', '88-43=45'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[53, 20, 23, 88], Operations: [] Exploring Operation: 20+23=43, Resulting Numbers: [53, 88, 43] Generated Node #0,1: 98:[53, 88, 43] Operation: 20+23=43 Moving to Node #0,1 Current State: 98:[53, 88, 43], Operations: ['20+23=43'] Exploring Operation: 88-43=45, Resulting Numbers: [53, 45] Generated Node #0,1,0: 98:[53, 45] Operation: 88-43=45 Moving to Node #0,1,0 Current State: 98:[53, 45], Operations: ['20+23=43', '88-43=45'] Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 81, 42, 57, 32 ]
50
[ "81-42=39", "57+32=89", "89-39=50" ]
Current State: 50:[81, 42, 57, 32], Operations: [] Exploring Operation: 81-42=39, Resulting Numbers: [57, 32, 39] Generated Node #2: [57, 32, 39] from Operation: 81-42=39 Current State: 50:[57, 32, 39], Operations: ['81-42=39'] Exploring Operation: 57+32=89, Resulting Numbers: [39, 89] Generated Node #3: [39, 89] from Operation: 57+32=89 Current State: 50:[39, 89], Operations: ['81-42=39', '57+32=89'] Exploring Operation: 89-39=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[81, 42, 57, 32], Operations: [] Exploring Operation: 81-32=49, Resulting Numbers: [42, 57, 49] Generated Node #0,0: 50:[42, 57, 49] Operation: 81-32=49 Exploring Operation: 81-57=24, Resulting Numbers: [42, 32, 24] Generated Node #0,1: 50:[42, 32, 24] Operation: 81-57=24 Exploring Operation: 42-32=10, Resulting Numbers: [81, 57, 10] Generated Node #0,2: 50:[81, 57, 10] Operation: 42-32=10 Exploring Operation: 81-42=39, Resulting Numbers: [57, 32, 39] Generated Node #0,3: 50:[57, 32, 39] Operation: 81-42=39 Moving to Node #0,0 Current State: 50:[42, 57, 49], Operations: ['81-32=49'] Exploring Operation: 42+49=91, Resulting Numbers: [57, 91] Generated Node #0,0,0: 50:[57, 91] Operation: 42+49=91 Exploring Operation: 57-42=15, Resulting Numbers: [49, 15] Generated Node #0,0,1: 50:[49, 15] Operation: 57-42=15 Exploring Operation: 49-42=7, Resulting Numbers: [57, 7] Generated Node #0,0,2: 50:[57, 7] Operation: 49-42=7 Exploring Operation: 57-49=8, Resulting Numbers: [42, 8] Generated Node #0,0,3: 50:[42, 8] Operation: 57-49=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[49, 15], Operations: ['81-32=49', '57-42=15'] Exploring Operation: 49*15=735, Resulting Numbers: [735] 735,50 unequal: No Solution Exploring Operation: 49+15=64, Resulting Numbers: [64] 64,50 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[57, 7], Operations: ['81-32=49', '49-42=7'] Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[81, 42, 57, 32], Operations: [] Exploring Operation: 81-32=49, Resulting Numbers: [42, 57, 49] Generated Node #0,0: 50:[42, 57, 49] Operation: 81-32=49 Moving to Node #0,0 Current State: 50:[42, 57, 49], Operations: ['81-32=49'] Exploring Operation: 49-42=7, Resulting Numbers: [57, 7] Generated Node #0,0,2: 50:[57, 7] Operation: 49-42=7 Moving to Node #0,0,2 Current State: 50:[57, 7], Operations: ['81-32=49', '49-42=7'] Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 70, 24, 6, 55 ]
60
[ "70-55=15", "24/6=4", "15*4=60" ]
Current State: 60:[70, 24, 6, 55], Operations: [] Exploring Operation: 70-55=15, Resulting Numbers: [24, 6, 15] Generated Node #2: [24, 6, 15] from Operation: 70-55=15 Current State: 60:[24, 6, 15], Operations: ['70-55=15'] Exploring Operation: 24/6=4, Resulting Numbers: [15, 4] Generated Node #3: [15, 4] from Operation: 24/6=4 Current State: 60:[15, 4], Operations: ['70-55=15', '24/6=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[70, 24, 6, 55], Operations: [] Exploring Operation: 24+6=30, Resulting Numbers: [70, 55, 30] Generated Node #0,0: 60:[70, 55, 30] Operation: 24+6=30 Exploring Operation: 24/6=4, Resulting Numbers: [70, 55, 4] Generated Node #0,1: 60:[70, 55, 4] Operation: 24/6=4 Exploring Operation: 55-24=31, Resulting Numbers: [70, 6, 31] Generated Node #0,2: 60:[70, 6, 31] Operation: 55-24=31 Exploring Operation: 70-6=64, Resulting Numbers: [24, 55, 64] Generated Node #0,3: 60:[24, 55, 64] Operation: 70-6=64 Exploring Operation: 70-55=15, Resulting Numbers: [24, 6, 15] Generated Node #0,4: 60:[24, 6, 15] Operation: 70-55=15 Moving to Node #0,4 Current State: 60:[24, 6, 15], Operations: ['70-55=15'] Exploring Operation: 24-6=18, Resulting Numbers: [15, 18] Generated Node #0,4,0: 60:[15, 18] Operation: 24-6=18 Exploring Operation: 6+15=21, Resulting Numbers: [24, 21] Generated Node #0,4,1: 60:[24, 21] Operation: 6+15=21 Exploring Operation: 24+6=30, Resulting Numbers: [15, 30] Generated Node #0,4,2: 60:[15, 30] Operation: 24+6=30 Exploring Operation: 24/6=4, Resulting Numbers: [15, 4] Generated Node #0,4,3: 60:[15, 4] Operation: 24/6=4 Exploring Operation: 24-15=9, Resulting Numbers: [6, 9] Generated Node #0,4,4: 60:[6, 9] Operation: 24-15=9 Moving to Node #0,2 Current State: 60:[70, 6, 31], Operations: ['55-24=31'] Exploring Operation: 6+31=37, Resulting Numbers: [70, 37] Generated Node #0,2,0: 60:[70, 37] Operation: 6+31=37 Exploring Operation: 70+6=76, Resulting Numbers: [31, 76] Generated Node #0,2,1: 60:[31, 76] Operation: 70+6=76 Exploring Operation: 70-31=39, Resulting Numbers: [6, 39] Generated Node #0,2,2: 60:[6, 39] Operation: 70-31=39 Exploring Operation: 70-6=64, Resulting Numbers: [31, 64] Generated Node #0,2,3: 60:[31, 64] Operation: 70-6=64 Exploring Operation: 31-6=25, Resulting Numbers: [70, 25] Generated Node #0,2,4: 60:[70, 25] Operation: 31-6=25 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 60:[31, 64], Operations: ['55-24=31', '70-6=64'] Exploring Operation: 31+64=95, Resulting Numbers: [95] 95,60 unequal: No Solution Exploring Operation: 31*64=1984, Resulting Numbers: [1984] 1984,60 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 60:[6, 39], Operations: ['55-24=31', '70-31=39'] Exploring Operation: 6*39=234, Resulting Numbers: [234] 234,60 unequal: No Solution Exploring Operation: 6+39=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 60:[70, 25], Operations: ['55-24=31', '31-6=25'] Exploring Operation: 70-25=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 70+25=95, Resulting Numbers: [95] 95,60 unequal: No Solution Exploring Operation: 70*25=1750, Resulting Numbers: [1750] 1750,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 60:[70, 37], Operations: ['55-24=31', '6+31=37'] Exploring Operation: 70*37=2590, Resulting Numbers: [2590] 2590,60 unequal: No Solution Exploring Operation: 70+37=107, Resulting Numbers: [107] 107,60 unequal: No Solution Exploring Operation: 70-37=33, Resulting Numbers: [33] 33,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 60:[31, 76], Operations: ['55-24=31', '70+6=76'] Exploring Operation: 31+76=107, Resulting Numbers: [107] 107,60 unequal: No Solution Exploring Operation: 31*76=2356, Resulting Numbers: [2356] 2356,60 unequal: No Solution Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,60 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: 60:[24, 55, 64], Operations: ['70-6=64'] Exploring Operation: 24+64=88, Resulting Numbers: [55, 88] Generated Node #0,3,0: 60:[55, 88] Operation: 24+64=88 Exploring Operation: 64-55=9, Resulting Numbers: [24, 9] Generated Node #0,3,1: 60:[24, 9] Operation: 64-55=9 Exploring Operation: 55-24=31, Resulting Numbers: [64, 31] Generated Node #0,3,2: 60:[64, 31] Operation: 55-24=31 Exploring Operation: 24+55=79, Resulting Numbers: [64, 79] Generated Node #0,3,3: 60:[64, 79] Operation: 24+55=79 Exploring Operation: 64-24=40, Resulting Numbers: [55, 40] Generated Node #0,3,4: 60:[55, 40] Operation: 64-24=40 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 60:[24, 9], Operations: ['70-6=64', '64-55=9'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 24+9=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 24*9=216, Resulting Numbers: [216] 216,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 60:[64, 31], Operations: ['70-6=64', '55-24=31'] Exploring Operation: 64+31=95, Resulting Numbers: [95] 95,60 unequal: No Solution Exploring Operation: 64*31=1984, Resulting Numbers: [1984] 1984,60 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 60:[55, 40], Operations: ['70-6=64', '64-24=40'] Exploring Operation: 55*40=2200, Resulting Numbers: [2200] 2200,60 unequal: No Solution Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 55+40=95, Resulting Numbers: [95] 95,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 60:[64, 79], Operations: ['70-6=64', '24+55=79'] Exploring Operation: 79-64=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 64+79=143, Resulting Numbers: [143] 143,60 unequal: No Solution Exploring Operation: 64*79=5056, Resulting Numbers: [5056] 5056,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 60:[55, 88], Operations: ['70-6=64', '24+64=88'] Exploring Operation: 88-55=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 55*88=4840, Resulting Numbers: [4840] 4840,60 unequal: No Solution Exploring Operation: 55+88=143, Resulting Numbers: [143] 143,60 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: 60:[70, 55, 30], Operations: ['24+6=30'] Exploring Operation: 70-55=15, Resulting Numbers: [30, 15] Generated Node #0,0,0: 60:[30, 15] Operation: 70-55=15 Exploring Operation: 70+30=100, Resulting Numbers: [55, 100] Generated Node #0,0,1: 60:[55, 100] Operation: 70+30=100 Exploring Operation: 55+30=85, Resulting Numbers: [70, 85] Generated Node #0,0,2: 60:[70, 85] Operation: 55+30=85 Exploring Operation: 55-30=25, Resulting Numbers: [70, 25] Generated Node #0,0,3: 60:[70, 25] Operation: 55-30=25 Exploring Operation: 70-30=40, Resulting Numbers: [55, 40] Generated Node #0,0,4: 60:[55, 40] Operation: 70-30=40 Moving to Node #0,1 Current State: 60:[70, 55, 4], Operations: ['24/6=4'] Exploring Operation: 70-4=66, Resulting Numbers: [55, 66] Generated Node #0,1,0: 60:[55, 66] Operation: 70-4=66 Exploring Operation: 55-4=51, Resulting Numbers: [70, 51] Generated Node #0,1,1: 60:[70, 51] Operation: 55-4=51 Exploring Operation: 70+4=74, Resulting Numbers: [55, 74] Generated Node #0,1,2: 60:[55, 74] Operation: 70+4=74 Exploring Operation: 55+4=59, Resulting Numbers: [70, 59] Generated Node #0,1,3: 60:[70, 59] Operation: 55+4=59 Exploring Operation: 70-55=15, Resulting Numbers: [4, 15] Generated Node #0,1,4: 60:[4, 15] Operation: 70-55=15 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 60:[4, 15], Operations: ['24/6=4', '70-55=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,60 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[70, 24, 6, 55], Operations: [] Exploring Operation: 24/6=4, Resulting Numbers: [70, 55, 4] Generated Node #0,1: 60:[70, 55, 4] Operation: 24/6=4 Moving to Node #0,1 Current State: 60:[70, 55, 4], Operations: ['24/6=4'] Exploring Operation: 70-55=15, Resulting Numbers: [4, 15] Generated Node #0,1,4: 60:[4, 15] Operation: 70-55=15 Moving to Node #0,1,4 Current State: 60:[4, 15], Operations: ['24/6=4', '70-55=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.942708
hs_5
mult_heuristic
[ 49, 90, 18, 69 ]
81
[ "69-49=20", "90*18=1620", "1620/20=81" ]
Current State: 81:[49, 90, 18, 69], Operations: [] Exploring Operation: 69-49=20, Resulting Numbers: [90, 18, 20] Generated Node #2: [90, 18, 20] from Operation: 69-49=20 Current State: 81:[90, 18, 20], Operations: ['69-49=20'] Exploring Operation: 90*18=1620, Resulting Numbers: [20, 1620] Generated Node #3: [20, 1620] from Operation: 90*18=1620 Current State: 81:[20, 1620], Operations: ['69-49=20', '90*18=1620'] Exploring Operation: 1620/20=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[49, 90, 18, 69], Operations: [] Exploring Operation: 69-49=20, Resulting Numbers: [90, 18, 20] Generated Node #0,0: 81:[90, 18, 20] Operation: 69-49=20 Exploring Operation: 49-18=31, Resulting Numbers: [90, 69, 31] Generated Node #0,1: 81:[90, 69, 31] Operation: 49-18=31 Moving to Node #0,0 Current State: 81:[90, 18, 20], Operations: ['69-49=20'] Exploring Operation: 90/18=5, Resulting Numbers: [20, 5] Generated Node #0,0,0: 81:[20, 5] Operation: 90/18=5 Exploring Operation: 20-18=2, Resulting Numbers: [90, 2] Generated Node #0,0,1: 81:[90, 2] Operation: 20-18=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[20, 5], Operations: ['69-49=20', '90/18=5'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,81 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:[90, 2], Operations: ['69-49=20', '20-18=2'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,81 unequal: No Solution Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,81 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: 81:[90, 69, 31], Operations: ['49-18=31'] Exploring Operation: 90-69=21, Resulting Numbers: [31, 21] Generated Node #0,1,0: 81:[31, 21] Operation: 90-69=21 Exploring Operation: 69-31=38, Resulting Numbers: [90, 38] Generated Node #0,1,1: 81:[90, 38] Operation: 69-31=38 Moving to Node #0,1,0 Current State: 81:[31, 21], Operations: ['49-18=31', '90-69=21'] Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 31+21=52, Resulting Numbers: [52] 52,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[90, 38], Operations: ['49-18=31', '69-31=38'] Exploring Operation: 90+38=128, Resulting Numbers: [128] 128,81 unequal: No Solution Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,81 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 94, 71, 98, 45 ]
69
[ "94-45=49", "98/49=2", "71-2=69" ]
Current State: 69:[94, 71, 98, 45], Operations: [] Exploring Operation: 94-45=49, Resulting Numbers: [71, 98, 49] Generated Node #2: [71, 98, 49] from Operation: 94-45=49 Current State: 69:[71, 98, 49], Operations: ['94-45=49'] Exploring Operation: 98/49=2, Resulting Numbers: [71, 2] Generated Node #3: [71, 2] from Operation: 98/49=2 Current State: 69:[71, 2], Operations: ['94-45=49', '98/49=2'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[94, 71, 98, 45], Operations: [] Exploring Operation: 98-71=27, Resulting Numbers: [94, 45, 27] Generated Node #0,0: 69:[94, 45, 27] Operation: 98-71=27 Exploring Operation: 98-45=53, Resulting Numbers: [94, 71, 53] Generated Node #0,1: 69:[94, 71, 53] Operation: 98-45=53 Exploring Operation: 98-94=4, Resulting Numbers: [71, 45, 4] Generated Node #0,2: 69:[71, 45, 4] Operation: 98-94=4 Exploring Operation: 94-45=49, Resulting Numbers: [71, 98, 49] Generated Node #0,3: 69:[71, 98, 49] Operation: 94-45=49 Exploring Operation: 94-71=23, Resulting Numbers: [98, 45, 23] Generated Node #0,4: 69:[98, 45, 23] Operation: 94-71=23 Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[71, 45, 4], Operations: ['98-94=4'] Exploring Operation: 45-4=41, Resulting Numbers: [71, 41] Generated Node #0,2,0: 69:[71, 41] Operation: 45-4=41 Exploring Operation: 45+4=49, Resulting Numbers: [71, 49] Generated Node #0,2,1: 69:[71, 49] Operation: 45+4=49 Exploring Operation: 71-4=67, Resulting Numbers: [45, 67] Generated Node #0,2,2: 69:[45, 67] Operation: 71-4=67 Exploring Operation: 71+4=75, Resulting Numbers: [45, 75] Generated Node #0,2,3: 69:[45, 75] Operation: 71+4=75 Exploring Operation: 71-45=26, Resulting Numbers: [4, 26] Generated Node #0,2,4: 69:[4, 26] Operation: 71-45=26 Moving to Node #0,2,4 Current State: 69:[4, 26], Operations: ['98-94=4', '71-45=26'] Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,69 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,69 unequal: No Solution Moving to Node #0,2,0 Current State: 69:[71, 41], Operations: ['98-94=4', '45-4=41'] Exploring Operation: 71*41=2911, Resulting Numbers: [2911] 2911,69 unequal: No Solution Exploring Operation: 71-41=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 71+41=112, Resulting Numbers: [112] 112,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[71, 49], Operations: ['98-94=4', '45+4=49'] Exploring Operation: 71-49=22, Resulting Numbers: [22] 22,69 unequal: No Solution Exploring Operation: 71+49=120, Resulting Numbers: [120] 120,69 unequal: No Solution Exploring Operation: 71*49=3479, Resulting Numbers: [3479] 3479,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[45, 67], Operations: ['98-94=4', '71-4=67'] Exploring Operation: 45+67=112, Resulting Numbers: [112] 112,69 unequal: No Solution Exploring Operation: 67-45=22, Resulting Numbers: [22] 22,69 unequal: No Solution Exploring Operation: 45*67=3015, Resulting Numbers: [3015] 3015,69 unequal: No Solution Moving to Node #0,2,3 Current State: 69:[45, 75], Operations: ['98-94=4', '71+4=75'] Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 45*75=3375, Resulting Numbers: [3375] 3375,69 unequal: No Solution Exploring Operation: 45+75=120, Resulting Numbers: [120] 120,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[94, 71, 53], Operations: ['98-45=53'] Exploring Operation: 71+53=124, Resulting Numbers: [94, 124] Generated Node #0,1,0: 69:[94, 124] Operation: 71+53=124 Exploring Operation: 94-53=41, Resulting Numbers: [71, 41] Generated Node #0,1,1: 69:[71, 41] Operation: 94-53=41 Exploring Operation: 94+53=147, Resulting Numbers: [71, 147] Generated Node #0,1,2: 69:[71, 147] Operation: 94+53=147 Exploring Operation: 94-71=23, Resulting Numbers: [53, 23] Generated Node #0,1,3: 69:[53, 23] Operation: 94-71=23 Exploring Operation: 71-53=18, Resulting Numbers: [94, 18] Generated Node #0,1,4: 69:[94, 18] Operation: 71-53=18 Moving to Node #0,1,3 Current State: 69:[53, 23], Operations: ['98-45=53', '94-71=23'] Exploring Operation: 53-23=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 53*23=1219, Resulting Numbers: [1219] 1219,69 unequal: No Solution Exploring Operation: 53+23=76, Resulting Numbers: [76] 76,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[71, 41], Operations: ['98-45=53', '94-53=41'] Exploring Operation: 71-41=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 71+41=112, Resulting Numbers: [112] 112,69 unequal: No Solution Exploring Operation: 71*41=2911, Resulting Numbers: [2911] 2911,69 unequal: No Solution Moving to Node #0,1,4 Current State: 69:[94, 18], Operations: ['98-45=53', '71-53=18'] Exploring Operation: 94-18=76, Resulting Numbers: [76] 76,69 unequal: No Solution Exploring Operation: 94+18=112, Resulting Numbers: [112] 112,69 unequal: No Solution Exploring Operation: 94*18=1692, Resulting Numbers: [1692] 1692,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[94, 124], Operations: ['98-45=53', '71+53=124'] Exploring Operation: 94*124=11656, Resulting Numbers: [11656] 11656,69 unequal: No Solution Exploring Operation: 124-94=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 94+124=218, Resulting Numbers: [218] 218,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[71, 147], Operations: ['98-45=53', '94+53=147'] Exploring Operation: 147-71=76, Resulting Numbers: [76] 76,69 unequal: No Solution Exploring Operation: 71*147=10437, Resulting Numbers: [10437] 10437,69 unequal: No Solution Exploring Operation: 71+147=218, Resulting Numbers: [218] 218,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[94, 45, 27], Operations: ['98-71=27'] Exploring Operation: 45+27=72, Resulting Numbers: [94, 72] Generated Node #0,0,0: 69:[94, 72] Operation: 45+27=72 Exploring Operation: 94+45=139, Resulting Numbers: [27, 139] Generated Node #0,0,1: 69:[27, 139] Operation: 94+45=139 Exploring Operation: 45-27=18, Resulting Numbers: [94, 18] Generated Node #0,0,2: 69:[94, 18] Operation: 45-27=18 Exploring Operation: 94-27=67, Resulting Numbers: [45, 67] Generated Node #0,0,3: 69:[45, 67] Operation: 94-27=67 Exploring Operation: 94-45=49, Resulting Numbers: [27, 49] Generated Node #0,0,4: 69:[27, 49] Operation: 94-45=49 Moving to Node #0,0,3 Current State: 69:[45, 67], Operations: ['98-71=27', '94-27=67'] Exploring Operation: 67-45=22, Resulting Numbers: [22] 22,69 unequal: No Solution Exploring Operation: 45*67=3015, Resulting Numbers: [3015] 3015,69 unequal: No Solution Exploring Operation: 45+67=112, Resulting Numbers: [112] 112,69 unequal: No Solution Moving to Node #0,0,4 Current State: 69:[27, 49], Operations: ['98-71=27', '94-45=49'] Exploring Operation: 27*49=1323, Resulting Numbers: [1323] 1323,69 unequal: No Solution Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,69 unequal: No Solution Exploring Operation: 27+49=76, Resulting Numbers: [76] 76,69 unequal: No Solution Moving to Node #0,0,0 Current State: 69:[94, 72], Operations: ['98-71=27', '45+27=72'] Exploring Operation: 94*72=6768, Resulting Numbers: [6768] 6768,69 unequal: No Solution Exploring Operation: 94+72=166, Resulting Numbers: [166] 166,69 unequal: No Solution Exploring Operation: 94-72=22, Resulting Numbers: [22] 22,69 unequal: No Solution Moving to Node #0,0,2 Current State: 69:[94, 18], Operations: ['98-71=27', '45-27=18'] Exploring Operation: 94+18=112, Resulting Numbers: [112] 112,69 unequal: No Solution Exploring Operation: 94-18=76, Resulting Numbers: [76] 76,69 unequal: No Solution Exploring Operation: 94*18=1692, Resulting Numbers: [1692] 1692,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[27, 139], Operations: ['98-71=27', '94+45=139'] Exploring Operation: 139-27=112, Resulting Numbers: [112] 112,69 unequal: No Solution Exploring Operation: 27*139=3753, Resulting Numbers: [3753] 3753,69 unequal: No Solution Exploring Operation: 27+139=166, Resulting Numbers: [166] 166,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 69:[71, 98, 49], Operations: ['94-45=49'] Exploring Operation: 98-49=49, Resulting Numbers: [71, 49] Generated Node #0,3,0: 69:[71, 49] Operation: 98-49=49 Exploring Operation: 98/49=2, Resulting Numbers: [71, 2] Generated Node #0,3,1: 69:[71, 2] Operation: 98/49=2 Exploring Operation: 71+49=120, Resulting Numbers: [98, 120] Generated Node #0,3,2: 69:[98, 120] Operation: 71+49=120 Exploring Operation: 71-49=22, Resulting Numbers: [98, 22] Generated Node #0,3,3: 69:[98, 22] Operation: 71-49=22 Exploring Operation: 98-71=27, Resulting Numbers: [49, 27] Generated Node #0,3,4: 69:[49, 27] Operation: 98-71=27 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 69:[71, 2], Operations: ['94-45=49', '98/49=2'] Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,69 unequal: No Solution Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,69 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[94, 71, 98, 45], Operations: [] Exploring Operation: 94-45=49, Resulting Numbers: [71, 98, 49] Generated Node #0,3: 69:[71, 98, 49] Operation: 94-45=49 Moving to Node #0,3 Current State: 69:[71, 98, 49], Operations: ['94-45=49'] Exploring Operation: 98/49=2, Resulting Numbers: [71, 2] Generated Node #0,3,1: 69:[71, 2] Operation: 98/49=2 Moving to Node #0,3,1 Current State: 69:[71, 2], Operations: ['94-45=49', '98/49=2'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.93316
hs_5
mult_heuristic
[ 16, 69, 46, 56 ]
32
[ "16*69=1104", "1104/46=24", "56-24=32" ]
Current State: 32:[16, 69, 46, 56], Operations: [] Exploring Operation: 16*69=1104, Resulting Numbers: [46, 56, 1104] Generated Node #2: [46, 56, 1104] from Operation: 16*69=1104 Current State: 32:[46, 56, 1104], Operations: ['16*69=1104'] Exploring Operation: 1104/46=24, Resulting Numbers: [56, 24] Generated Node #3: [56, 24] from Operation: 1104/46=24 Current State: 32:[56, 24], Operations: ['16*69=1104', '1104/46=24'] Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[16, 69, 46, 56], Operations: [] Exploring Operation: 56-46=10, Resulting Numbers: [16, 69, 10] Generated Node #0,0: 32:[16, 69, 10] Operation: 56-46=10 Exploring Operation: 69-16=53, Resulting Numbers: [46, 56, 53] Generated Node #0,1: 32:[46, 56, 53] Operation: 69-16=53 Exploring Operation: 69-46=23, Resulting Numbers: [16, 56, 23] Generated Node #0,2: 32:[16, 56, 23] Operation: 69-46=23 Exploring Operation: 69-56=13, Resulting Numbers: [16, 46, 13] Generated Node #0,3: 32:[16, 46, 13] Operation: 69-56=13 Exploring Operation: 56-16=40, Resulting Numbers: [69, 46, 40] Generated Node #0,4: 32:[69, 46, 40] Operation: 56-16=40 Moving to Node #0,3 Current State: 32:[16, 46, 13], Operations: ['69-56=13'] Exploring Operation: 46-13=33, Resulting Numbers: [16, 33] Generated Node #0,3,0: 32:[16, 33] Operation: 46-13=33 Exploring Operation: 46-16=30, Resulting Numbers: [13, 30] Generated Node #0,3,1: 32:[13, 30] Operation: 46-16=30 Exploring Operation: 16+13=29, Resulting Numbers: [46, 29] Generated Node #0,3,2: 32:[46, 29] Operation: 16+13=29 Exploring Operation: 46+13=59, Resulting Numbers: [16, 59] Generated Node #0,3,3: 32:[16, 59] Operation: 46+13=59 Exploring Operation: 16-13=3, Resulting Numbers: [46, 3] Generated Node #0,3,4: 32:[46, 3] Operation: 16-13=3 Moving to Node #0,2 Current State: 32:[16, 56, 23], Operations: ['69-46=23'] Exploring Operation: 16+56=72, Resulting Numbers: [23, 72] Generated Node #0,2,0: 32:[23, 72] Operation: 16+56=72 Exploring Operation: 56-16=40, Resulting Numbers: [23, 40] Generated Node #0,2,1: 32:[23, 40] Operation: 56-16=40 Exploring Operation: 56-23=33, Resulting Numbers: [16, 33] Generated Node #0,2,2: 32:[16, 33] Operation: 56-23=33 Exploring Operation: 16+23=39, Resulting Numbers: [56, 39] Generated Node #0,2,3: 32:[56, 39] Operation: 16+23=39 Exploring Operation: 23-16=7, Resulting Numbers: [56, 7] Generated Node #0,2,4: 32:[56, 7] Operation: 23-16=7 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 32:[16, 33], Operations: ['69-46=23', '56-23=33'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 16+33=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 16*33=528, Resulting Numbers: [528] 528,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 32:[23, 40], Operations: ['69-46=23', '56-16=40'] Exploring Operation: 23*40=920, Resulting Numbers: [920] 920,32 unequal: No Solution Exploring Operation: 40-23=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 23+40=63, Resulting Numbers: [63] 63,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 32:[56, 7], Operations: ['69-46=23', '23-16=7'] Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,32 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 32:[56, 39], Operations: ['69-46=23', '16+23=39'] Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 56+39=95, Resulting Numbers: [95] 95,32 unequal: No Solution Exploring Operation: 56*39=2184, Resulting Numbers: [2184] 2184,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 32:[23, 72], Operations: ['69-46=23', '16+56=72'] Exploring Operation: 23+72=95, Resulting Numbers: [95] 95,32 unequal: No Solution Exploring Operation: 23*72=1656, Resulting Numbers: [1656] 1656,32 unequal: No Solution Exploring Operation: 72-23=49, Resulting Numbers: [49] 49,32 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: 32:[16, 69, 10], Operations: ['56-46=10'] Exploring Operation: 16-10=6, Resulting Numbers: [69, 6] Generated Node #0,0,0: 32:[69, 6] Operation: 16-10=6 Exploring Operation: 69-16=53, Resulting Numbers: [10, 53] Generated Node #0,0,1: 32:[10, 53] Operation: 69-16=53 Exploring Operation: 16+10=26, Resulting Numbers: [69, 26] Generated Node #0,0,2: 32:[69, 26] Operation: 16+10=26 Exploring Operation: 69-10=59, Resulting Numbers: [16, 59] Generated Node #0,0,3: 32:[16, 59] Operation: 69-10=59 Exploring Operation: 69+10=79, Resulting Numbers: [16, 79] Generated Node #0,0,4: 32:[16, 79] Operation: 69+10=79 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[10, 53], Operations: ['56-46=10', '69-16=53'] Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,32 unequal: No Solution Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,32 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 32:[16, 59], Operations: ['56-46=10', '69-10=59'] Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,32 unequal: No Solution Exploring Operation: 16*59=944, Resulting Numbers: [944] 944,32 unequal: No Solution Exploring Operation: 16+59=75, Resulting Numbers: [75] 75,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[69, 6], Operations: ['56-46=10', '16-10=6'] Exploring Operation: 69*6=414, Resulting Numbers: [414] 414,32 unequal: No Solution Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,32 unequal: No Solution Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 32:[69, 26], Operations: ['56-46=10', '16+10=26'] Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,32 unequal: No Solution Exploring Operation: 69+26=95, Resulting Numbers: [95] 95,32 unequal: No Solution Exploring Operation: 69*26=1794, Resulting Numbers: [1794] 1794,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 32:[16, 79], Operations: ['56-46=10', '69+10=79'] Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,32 unequal: No Solution Exploring Operation: 16*79=1264, Resulting Numbers: [1264] 1264,32 unequal: No Solution Exploring Operation: 16+79=95, Resulting Numbers: [95] 95,32 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: 32:[46, 56, 53], Operations: ['69-16=53'] Exploring Operation: 46+53=99, Resulting Numbers: [56, 99] Generated Node #0,1,0: 32:[56, 99] Operation: 46+53=99 Exploring Operation: 46+56=102, Resulting Numbers: [53, 102] Generated Node #0,1,1: 32:[53, 102] Operation: 46+56=102 Exploring Operation: 53-46=7, Resulting Numbers: [56, 7] Generated Node #0,1,2: 32:[56, 7] Operation: 53-46=7 Exploring Operation: 56-53=3, Resulting Numbers: [46, 3] Generated Node #0,1,3: 32:[46, 3] Operation: 56-53=3 Exploring Operation: 56-46=10, Resulting Numbers: [53, 10] Generated Node #0,1,4: 32:[53, 10] Operation: 56-46=10 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 32:[46, 3], Operations: ['69-16=53', '56-53=3'] Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 46*3=138, Resulting Numbers: [138] 138,32 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,32 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 #0,1,4 Current State: 32:[53, 10], Operations: ['69-16=53', '56-46=10'] Exploring Operation: 53+10=63, Resulting Numbers: [63] 63,32 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,32 unequal: No Solution Exploring Operation: 53*10=530, Resulting Numbers: [530] 530,32 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 #0,1,2 Current State: 32:[56, 7], Operations: ['69-16=53', '53-46=7'] Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,32 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,32 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 #0,1,0 Current State: 32:[56, 99], Operations: ['69-16=53', '46+53=99'] Exploring Operation: 56*99=5544, Resulting Numbers: [5544] 5544,32 unequal: No Solution Exploring Operation: 56+99=155, Resulting Numbers: [155] 155,32 unequal: No Solution Exploring Operation: 99-56=43, Resulting Numbers: [43] 43,32 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 #0,1,1 Current State: 32:[53, 102], Operations: ['69-16=53', '46+56=102'] Exploring Operation: 102-53=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 53+102=155, Resulting Numbers: [155] 155,32 unequal: No Solution Exploring Operation: 53*102=5406, Resulting Numbers: [5406] 5406,32 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: 32:[69, 46, 40], Operations: ['56-16=40'] Exploring Operation: 69-40=29, Resulting Numbers: [46, 29] Generated Node #0,4,0: 32:[46, 29] Operation: 69-40=29 Exploring Operation: 46-40=6, Resulting Numbers: [69, 6] Generated Node #0,4,1: 32:[69, 6] Operation: 46-40=6 Exploring Operation: 69+40=109, Resulting Numbers: [46, 109] Generated Node #0,4,2: 32:[46, 109] Operation: 69+40=109 Exploring Operation: 69-46=23, Resulting Numbers: [40, 23] Generated Node #0,4,3: 32:[40, 23] Operation: 69-46=23 Exploring Operation: 69+46=115, Resulting Numbers: [40, 115] Generated Node #0,4,4: 32:[40, 115] Operation: 69+46=115 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 32:[40, 23], Operations: ['56-16=40', '69-46=23'] Exploring Operation: 40*23=920, Resulting Numbers: [920] 920,32 unequal: No Solution Exploring Operation: 40-23=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 40+23=63, Resulting Numbers: [63] 63,32 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 #0,4,0 Current State: 32:[46, 29], Operations: ['56-16=40', '69-40=29'] Exploring Operation: 46*29=1334, Resulting Numbers: [1334] 1334,32 unequal: No Solution Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 46+29=75, Resulting Numbers: [75] 75,32 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 #0,4,1 Current State: 32:[69, 6], Operations: ['56-16=40', '46-40=6'] Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,32 unequal: No Solution Exploring Operation: 69*6=414, Resulting Numbers: [414] 414,32 unequal: No Solution Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,32 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 #0,4,2 Current State: 32:[46, 109], Operations: ['56-16=40', '69+40=109'] Exploring Operation: 46*109=5014, Resulting Numbers: [5014] 5014,32 unequal: No Solution Exploring Operation: 46+109=155, Resulting Numbers: [155] 155,32 unequal: No Solution Exploring Operation: 109-46=63, Resulting Numbers: [63] 63,32 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 #0,4,4 Current State: 32:[40, 115], Operations: ['56-16=40', '69+46=115'] Exploring Operation: 40+115=155, Resulting Numbers: [155] 155,32 unequal: No Solution Exploring Operation: 40*115=4600, Resulting Numbers: [4600] 4600,32 unequal: No Solution Exploring Operation: 115-40=75, Resulting Numbers: [75] 75,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 32:[16, 33], Operations: ['69-56=13', '46-13=33'] Exploring Operation: 16*33=528, Resulting Numbers: [528] 528,32 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 16+33=49, Resulting Numbers: [49] 49,32 unequal: No Solution Moving to Node #0,3,1 Current State: 32:[13, 30], Operations: ['69-56=13', '46-16=30'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,32 unequal: No Solution Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,32 unequal: No Solution Moving to Node #0,3,4 Current State: 32:[46, 3], Operations: ['69-56=13', '16-13=3'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,32 unequal: No Solution Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 46*3=138, Resulting Numbers: [138] 138,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[46, 29], Operations: ['69-56=13', '16+13=29'] Exploring Operation: 46*29=1334, Resulting Numbers: [1334] 1334,32 unequal: No Solution Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 46+29=75, Resulting Numbers: [75] 75,32 unequal: No Solution Moving to Node #0,3,3 Current State: 32:[16, 59], Operations: ['69-56=13', '46+13=59'] Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,32 unequal: No Solution Exploring Operation: 16+59=75, Resulting Numbers: [75] 75,32 unequal: No Solution Exploring Operation: 16*59=944, Resulting Numbers: [944] 944,32 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 39, 43, 68, 20 ]
34
[ "39+43=82", "68-20=48", "82-48=34" ]
Current State: 34:[39, 43, 68, 20], Operations: [] Exploring Operation: 39+43=82, Resulting Numbers: [68, 20, 82] Generated Node #2: [68, 20, 82] from Operation: 39+43=82 Current State: 34:[68, 20, 82], Operations: ['39+43=82'] Exploring Operation: 68-20=48, Resulting Numbers: [82, 48] Generated Node #3: [82, 48] from Operation: 68-20=48 Current State: 34:[82, 48], Operations: ['39+43=82', '68-20=48'] Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[39, 43, 68, 20], Operations: [] Exploring Operation: 68-39=29, Resulting Numbers: [43, 20, 29] Generated Node #0,0: 34:[43, 20, 29] Operation: 68-39=29 Exploring Operation: 68-43=25, Resulting Numbers: [39, 20, 25] Generated Node #0,1: 34:[39, 20, 25] Operation: 68-43=25 Exploring Operation: 68-20=48, Resulting Numbers: [39, 43, 48] Generated Node #0,2: 34:[39, 43, 48] Operation: 68-20=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[39, 20, 25], Operations: ['68-43=25'] Exploring Operation: 39-25=14, Resulting Numbers: [20, 14] Generated Node #0,1,0: 34:[20, 14] Operation: 39-25=14 Exploring Operation: 25-20=5, Resulting Numbers: [39, 5] Generated Node #0,1,1: 34:[39, 5] Operation: 25-20=5 Exploring Operation: 39-20=19, Resulting Numbers: [25, 19] Generated Node #0,1,2: 34:[25, 19] Operation: 39-20=19 Moving to Node #0,1,0 Current State: 34:[20, 14], Operations: ['68-43=25', '39-25=14'] Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[39, 43, 68, 20], Operations: [] Exploring Operation: 68-43=25, Resulting Numbers: [39, 20, 25] Generated Node #0,1: 34:[39, 20, 25] Operation: 68-43=25 Moving to Node #0,1 Current State: 34:[39, 20, 25], Operations: ['68-43=25'] Exploring Operation: 39-25=14, Resulting Numbers: [20, 14] Generated Node #0,1,0: 34:[20, 14] Operation: 39-25=14 Moving to Node #0,1,0 Current State: 34:[20, 14], Operations: ['68-43=25', '39-25=14'] Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 44, 14, 51, 4 ]
48
[ "44/4=11", "51-14=37", "11+37=48" ]
Current State: 48:[44, 14, 51, 4], Operations: [] Exploring Operation: 44/4=11, Resulting Numbers: [14, 51, 11] Generated Node #2: [14, 51, 11] from Operation: 44/4=11 Current State: 48:[14, 51, 11], Operations: ['44/4=11'] Exploring Operation: 51-14=37, Resulting Numbers: [11, 37] Generated Node #3: [11, 37] from Operation: 51-14=37 Current State: 48:[11, 37], Operations: ['44/4=11', '51-14=37'] Exploring Operation: 11+37=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[44, 14, 51, 4], Operations: [] Exploring Operation: 51-44=7, Resulting Numbers: [14, 4, 7] Generated Node #0,0: 48:[14, 4, 7] Operation: 51-44=7 Exploring Operation: 44+4=48, Resulting Numbers: [14, 51, 48] Generated Node #0,1: 48:[14, 51, 48] Operation: 44+4=48 Moving to Node #0,0 Current State: 48:[14, 4, 7], Operations: ['51-44=7'] Exploring Operation: 14/7=2, Resulting Numbers: [4, 2] Generated Node #0,0,0: 48:[4, 2] Operation: 14/7=2 Exploring Operation: 14-7=7, Resulting Numbers: [4, 7] Generated Node #0,0,1: 48:[4, 7] Operation: 14-7=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[4, 2], Operations: ['51-44=7', '14/7=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[4, 7], Operations: ['51-44=7', '14-7=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 48:[14, 51, 48], Operations: ['44+4=48'] Exploring Operation: 51-14=37, Resulting Numbers: [48, 37] Generated Node #0,1,0: 48:[48, 37] Operation: 51-14=37 Exploring Operation: 51-48=3, Resulting Numbers: [14, 3] Generated Node #0,1,1: 48:[14, 3] Operation: 51-48=3 Moving to Node #0,1,1 Current State: 48:[14, 3], Operations: ['44+4=48', '51-48=3'] Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,48 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[48, 37], Operations: ['44+4=48', '51-14=37'] Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,48 unequal: No Solution Exploring Operation: 48+37=85, Resulting Numbers: [85] 85,48 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 66, 69, 63, 45 ]
22
[ "66-63=3", "69/3=23", "45-23=22" ]
Current State: 22:[66, 69, 63, 45], Operations: [] Exploring Operation: 66-63=3, Resulting Numbers: [69, 45, 3] Generated Node #2: [69, 45, 3] from Operation: 66-63=3 Current State: 22:[69, 45, 3], Operations: ['66-63=3'] Exploring Operation: 69/3=23, Resulting Numbers: [45, 23] Generated Node #3: [45, 23] from Operation: 69/3=23 Current State: 22:[45, 23], Operations: ['66-63=3', '69/3=23'] Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[66, 69, 63, 45], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [63, 45, 3] Generated Node #0,0: 22:[63, 45, 3] Operation: 69-66=3 Moving to Node #0,0 Current State: 22:[63, 45, 3], Operations: ['69-66=3'] Exploring Operation: 63-45=18, Resulting Numbers: [3, 18] Generated Node #0,0,0: 22:[3, 18] Operation: 63-45=18 Moving to Node #0,0,0 Current State: 22:[3, 18], Operations: ['69-66=3', '63-45=18'] Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,22 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 67, 17, 91, 75 ]
100
[ "67+17=84", "91-75=16", "84+16=100" ]
Current State: 100:[67, 17, 91, 75], Operations: [] Exploring Operation: 67+17=84, Resulting Numbers: [91, 75, 84] Generated Node #2: [91, 75, 84] from Operation: 67+17=84 Current State: 100:[91, 75, 84], Operations: ['67+17=84'] Exploring Operation: 91-75=16, Resulting Numbers: [84, 16] Generated Node #3: [84, 16] from Operation: 91-75=16 Current State: 100:[84, 16], Operations: ['67+17=84', '91-75=16'] Exploring Operation: 84+16=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[67, 17, 91, 75], Operations: [] Exploring Operation: 17+75=92, Resulting Numbers: [67, 91, 92] Generated Node #0,0: 100:[67, 91, 92] Operation: 17+75=92 Exploring Operation: 91-75=16, Resulting Numbers: [67, 17, 16] Generated Node #0,1: 100:[67, 17, 16] Operation: 91-75=16 Exploring Operation: 67-17=50, Resulting Numbers: [91, 75, 50] Generated Node #0,2: 100:[91, 75, 50] Operation: 67-17=50 Exploring Operation: 91-67=24, Resulting Numbers: [17, 75, 24] Generated Node #0,3: 100:[17, 75, 24] Operation: 91-67=24 Exploring Operation: 75-67=8, Resulting Numbers: [17, 91, 8] Generated Node #0,4: 100:[17, 91, 8] Operation: 75-67=8 Moving to Node #0,4 Current State: 100:[17, 91, 8], Operations: ['75-67=8'] Exploring Operation: 17+91=108, Resulting Numbers: [8, 108] Generated Node #0,4,0: 100:[8, 108] Operation: 17+91=108 Exploring Operation: 91-8=83, Resulting Numbers: [17, 83] Generated Node #0,4,1: 100:[17, 83] Operation: 91-8=83 Exploring Operation: 91+8=99, Resulting Numbers: [17, 99] Generated Node #0,4,2: 100:[17, 99] Operation: 91+8=99 Exploring Operation: 17-8=9, Resulting Numbers: [91, 9] Generated Node #0,4,3: 100:[91, 9] Operation: 17-8=9 Exploring Operation: 17+8=25, Resulting Numbers: [91, 25] Generated Node #0,4,4: 100:[91, 25] Operation: 17+8=25 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 100:[17, 99], Operations: ['75-67=8', '91+8=99'] Exploring Operation: 17+99=116, Resulting Numbers: [116] 116,100 unequal: No Solution Exploring Operation: 99-17=82, Resulting Numbers: [82] 82,100 unequal: No Solution Exploring Operation: 17*99=1683, Resulting Numbers: [1683] 1683,100 unequal: No Solution No 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: 100:[91, 25], Operations: ['75-67=8', '17+8=25'] Exploring Operation: 91+25=116, Resulting Numbers: [116] 116,100 unequal: No Solution Exploring Operation: 91*25=2275, Resulting Numbers: [2275] 2275,100 unequal: No Solution Exploring Operation: 91-25=66, Resulting Numbers: [66] 66,100 unequal: No Solution No 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: 100:[8, 108], Operations: ['75-67=8', '17+91=108'] Exploring Operation: 8+108=116, Resulting Numbers: [116] 116,100 unequal: No Solution Exploring Operation: 8*108=864, Resulting Numbers: [864] 864,100 unequal: No Solution Exploring Operation: 108-8=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[67, 17, 91, 75], Operations: [] Exploring Operation: 75-67=8, Resulting Numbers: [17, 91, 8] Generated Node #0,4: 100:[17, 91, 8] Operation: 75-67=8 Moving to Node #0,4 Current State: 100:[17, 91, 8], Operations: ['75-67=8'] Exploring Operation: 17+91=108, Resulting Numbers: [8, 108] Generated Node #0,4,0: 100:[8, 108] Operation: 17+91=108 Moving to Node #0,4,0 Current State: 100:[8, 108], Operations: ['75-67=8', '17+91=108'] Exploring Operation: 108-8=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 3, 66, 35, 91 ]
40
[ "91-66=25", "3*25=75", "75-35=40" ]
Current State: 40:[3, 66, 35, 91], Operations: [] Exploring Operation: 91-66=25, Resulting Numbers: [3, 35, 25] Generated Node #2: [3, 35, 25] from Operation: 91-66=25 Current State: 40:[3, 35, 25], Operations: ['91-66=25'] Exploring Operation: 3*25=75, Resulting Numbers: [35, 75] Generated Node #3: [35, 75] from Operation: 3*25=75 Current State: 40:[35, 75], Operations: ['91-66=25', '3*25=75'] Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[3, 66, 35, 91], Operations: [] Exploring Operation: 91-66=25, Resulting Numbers: [3, 35, 25] Generated Node #0,0: 40:[3, 35, 25] Operation: 91-66=25 Moving to Node #0,0 Current State: 40:[3, 35, 25], Operations: ['91-66=25'] Exploring Operation: 35-25=10, Resulting Numbers: [3, 10] Generated Node #0,0,0: 40:[3, 10] Operation: 35-25=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[3, 10], Operations: ['91-66=25', '35-25=10'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,40 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
[ 93, 2, 42, 51 ]
100
[ "93-2=91", "51-42=9", "91+9=100" ]
Current State: 100:[93, 2, 42, 51], Operations: [] Exploring Operation: 93-2=91, Resulting Numbers: [42, 51, 91] Generated Node #2: [42, 51, 91] from Operation: 93-2=91 Current State: 100:[42, 51, 91], Operations: ['93-2=91'] Exploring Operation: 51-42=9, Resulting Numbers: [91, 9] Generated Node #3: [91, 9] from Operation: 51-42=9 Current State: 100:[91, 9], Operations: ['93-2=91', '51-42=9'] Exploring Operation: 91+9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[93, 2, 42, 51], Operations: [] Exploring Operation: 51-42=9, Resulting Numbers: [93, 2, 9] Generated Node #0,0: 100:[93, 2, 9] Operation: 51-42=9 Exploring Operation: 42/2=21, Resulting Numbers: [93, 51, 21] Generated Node #0,1: 100:[93, 51, 21] Operation: 42/2=21 Exploring Operation: 93+2=95, Resulting Numbers: [42, 51, 95] Generated Node #0,2: 100:[42, 51, 95] Operation: 93+2=95 Exploring Operation: 93-42=51, Resulting Numbers: [2, 51, 51] Generated Node #0,3: 100:[2, 51, 51] Operation: 93-42=51 Moving to Node #0,3 Current State: 100:[2, 51, 51], Operations: ['93-42=51'] Exploring Operation: 51+51=102, Resulting Numbers: [2, 102] Generated Node #0,3,0: 100:[2, 102] Operation: 51+51=102 Exploring Operation: 51/51=1, Resulting Numbers: [2, 1] Generated Node #0,3,1: 100:[2, 1] Operation: 51/51=1 Exploring Operation: 51-2=49, Resulting Numbers: [51, 49] Generated Node #0,3,2: 100:[51, 49] Operation: 51-2=49 Exploring Operation: 51-2=49, Resulting Numbers: [51, 49] Generated Node #0,3,3: 100:[51, 49] Operation: 51-2=49 Moving to Node #0,0 Current State: 100:[93, 2, 9], Operations: ['51-42=9'] Exploring Operation: 2*9=18, Resulting Numbers: [93, 18] Generated Node #0,0,0: 100:[93, 18] Operation: 2*9=18 Exploring Operation: 2+9=11, Resulting Numbers: [93, 11] Generated Node #0,0,1: 100:[93, 11] Operation: 2+9=11 Exploring Operation: 93+9=102, Resulting Numbers: [2, 102] Generated Node #0,0,2: 100:[2, 102] Operation: 93+9=102 Exploring Operation: 93+2=95, Resulting Numbers: [9, 95] Generated Node #0,0,3: 100:[9, 95] Operation: 93+2=95 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 100:[2, 102], Operations: ['51-42=9', '93+9=102'] Exploring Operation: 102-2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[93, 2, 42, 51], Operations: [] Exploring Operation: 51-42=9, Resulting Numbers: [93, 2, 9] Generated Node #0,0: 100:[93, 2, 9] Operation: 51-42=9 Moving to Node #0,0 Current State: 100:[93, 2, 9], Operations: ['51-42=9'] Exploring Operation: 93+9=102, Resulting Numbers: [2, 102] Generated Node #0,0,2: 100:[2, 102] Operation: 93+9=102 Moving to Node #0,0,2 Current State: 100:[2, 102], Operations: ['51-42=9', '93+9=102'] Exploring Operation: 102-2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 95, 25, 40, 88 ]
72
[ "95+25=120", "88-40=48", "120-48=72" ]
Current State: 72:[95, 25, 40, 88], Operations: [] Exploring Operation: 95+25=120, Resulting Numbers: [40, 88, 120] Generated Node #2: [40, 88, 120] from Operation: 95+25=120 Current State: 72:[40, 88, 120], Operations: ['95+25=120'] Exploring Operation: 88-40=48, Resulting Numbers: [120, 48] Generated Node #3: [120, 48] from Operation: 88-40=48 Current State: 72:[120, 48], Operations: ['95+25=120', '88-40=48'] Exploring Operation: 120-48=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[95, 25, 40, 88], Operations: [] Exploring Operation: 95-25=70, Resulting Numbers: [40, 88, 70] Generated Node #0,0: 72:[40, 88, 70] Operation: 95-25=70 Exploring Operation: 95-88=7, Resulting Numbers: [25, 40, 7] Generated Node #0,1: 72:[25, 40, 7] Operation: 95-88=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[25, 40, 7], Operations: ['95-88=7'] Exploring Operation: 25-7=18, Resulting Numbers: [40, 18] Generated Node #0,1,0: 72:[40, 18] Operation: 25-7=18 Exploring Operation: 40-25=15, Resulting Numbers: [7, 15] Generated Node #0,1,1: 72:[7, 15] Operation: 40-25=15 Moving to Node #0,1,0 Current State: 72:[40, 18], Operations: ['95-88=7', '25-7=18'] Exploring Operation: 40+18=58, Resulting Numbers: [58] 58,72 unequal: No Solution Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[7, 15], Operations: ['95-88=7', '40-25=15'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,72 unequal: No Solution Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,72 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 Current State: 72:[40, 88, 70], Operations: ['95-25=70'] Exploring Operation: 88-40=48, Resulting Numbers: [70, 48] Generated Node #0,0,0: 72:[70, 48] Operation: 88-40=48 Exploring Operation: 88-70=18, Resulting Numbers: [40, 18] Generated Node #0,0,1: 72:[40, 18] Operation: 88-70=18 Moving to Node #0,0,1 Current State: 72:[40, 18], Operations: ['95-25=70', '88-70=18'] Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,72 unequal: No Solution Exploring Operation: 40+18=58, Resulting Numbers: [58] 58,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[70, 48], Operations: ['95-25=70', '88-40=48'] Exploring Operation: 70+48=118, Resulting Numbers: [118] 118,72 unequal: No Solution Exploring Operation: 70-48=22, Resulting Numbers: [22] 22,72 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
[ 50, 18, 35, 27 ]
60
[ "50+18=68", "35-27=8", "68-8=60" ]
Current State: 60:[50, 18, 35, 27], Operations: [] Exploring Operation: 50+18=68, Resulting Numbers: [35, 27, 68] Generated Node #2: [35, 27, 68] from Operation: 50+18=68 Current State: 60:[35, 27, 68], Operations: ['50+18=68'] Exploring Operation: 35-27=8, Resulting Numbers: [68, 8] Generated Node #3: [68, 8] from Operation: 35-27=8 Current State: 60:[68, 8], Operations: ['50+18=68', '35-27=8'] Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[50, 18, 35, 27], Operations: [] Exploring Operation: 50-35=15, Resulting Numbers: [18, 27, 15] Generated Node #0,0: 60:[18, 27, 15] Operation: 50-35=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[18, 27, 15], Operations: ['50-35=15'] Exploring Operation: 27-18=9, Resulting Numbers: [15, 9] Generated Node #0,0,0: 60:[15, 9] Operation: 27-18=9 Moving to Node #0,0,0 Current State: 60:[15, 9], Operations: ['50-35=15', '27-18=9'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,60 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
[ 73, 28, 47, 28 ]
27
[ "73-47=26", "28/28=1", "26+1=27" ]
Current State: 27:[73, 28, 47, 28], Operations: [] Exploring Operation: 73-47=26, Resulting Numbers: [28, 28, 26] Generated Node #2: [28, 28, 26] from Operation: 73-47=26 Current State: 27:[28, 28, 26], Operations: ['73-47=26'] Exploring Operation: 28/28=1, Resulting Numbers: [26, 1] Generated Node #3: [26, 1] from Operation: 28/28=1 Current State: 27:[26, 1], Operations: ['73-47=26', '28/28=1'] Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[73, 28, 47, 28], Operations: [] Exploring Operation: 73-28=45, Resulting Numbers: [47, 28, 45] Generated Node #0,0: 27:[47, 28, 45] Operation: 73-28=45 Exploring Operation: 73-47=26, Resulting Numbers: [28, 28, 26] Generated Node #0,1: 27:[28, 28, 26] Operation: 73-47=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[28, 28, 26], Operations: ['73-47=26'] Exploring Operation: 28-26=2, Resulting Numbers: [28, 2] Generated Node #0,1,0: 27:[28, 2] Operation: 28-26=2 Exploring Operation: 28-26=2, Resulting Numbers: [28, 2] Generated Node #0,1,1: 27:[28, 2] Operation: 28-26=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[28, 2], Operations: ['73-47=26', '28-26=2'] Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[28, 2], Operations: ['73-47=26', '28-26=2'] Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[47, 28, 45], Operations: ['73-28=45'] Exploring Operation: 47-45=2, Resulting Numbers: [28, 2] Generated Node #0,0,0: 27:[28, 2] Operation: 47-45=2 Exploring Operation: 47-28=19, Resulting Numbers: [45, 19] Generated Node #0,0,1: 27:[45, 19] Operation: 47-28=19 Moving to Node #0,0,0 Current State: 27:[28, 2], Operations: ['73-28=45', '47-45=2'] Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[45, 19], Operations: ['73-28=45', '47-28=19'] Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,27 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,27 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
[ 32, 45, 90, 15 ]
31
[ "32*45=1440", "1440/90=16", "15+16=31" ]
Current State: 31:[32, 45, 90, 15], Operations: [] Exploring Operation: 32*45=1440, Resulting Numbers: [90, 15, 1440] Generated Node #2: [90, 15, 1440] from Operation: 32*45=1440 Current State: 31:[90, 15, 1440], Operations: ['32*45=1440'] Exploring Operation: 1440/90=16, Resulting Numbers: [15, 16] Generated Node #3: [15, 16] from Operation: 1440/90=16 Current State: 31:[15, 16], Operations: ['32*45=1440', '1440/90=16'] Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[32, 45, 90, 15], Operations: [] Exploring Operation: 90/45=2, Resulting Numbers: [32, 15, 2] Generated Node #0,0: 31:[32, 15, 2] Operation: 90/45=2 Exploring Operation: 90/15=6, Resulting Numbers: [32, 45, 6] Generated Node #0,1: 31:[32, 45, 6] Operation: 90/15=6 Exploring Operation: 90-45=45, Resulting Numbers: [32, 15, 45] Generated Node #0,2: 31:[32, 15, 45] Operation: 90-45=45 Exploring Operation: 90-32=58, Resulting Numbers: [45, 15, 58] Generated Node #0,3: 31:[45, 15, 58] Operation: 90-32=58 Exploring Operation: 90-15=75, Resulting Numbers: [32, 45, 75] Generated Node #0,4: 31:[32, 45, 75] Operation: 90-15=75 Moving to Node #0,2 Current State: 31:[32, 15, 45], Operations: ['90-45=45'] Exploring Operation: 45/15=3, Resulting Numbers: [32, 3] Generated Node #0,2,0: 31:[32, 3] Operation: 45/15=3 Exploring Operation: 45-15=30, Resulting Numbers: [32, 30] Generated Node #0,2,1: 31:[32, 30] Operation: 45-15=30 Exploring Operation: 32-15=17, Resulting Numbers: [45, 17] Generated Node #0,2,2: 31:[45, 17] Operation: 32-15=17 Exploring Operation: 15+45=60, Resulting Numbers: [32, 60] Generated Node #0,2,3: 31:[32, 60] Operation: 15+45=60 Exploring Operation: 32+15=47, Resulting Numbers: [45, 47] Generated Node #0,2,4: 31:[45, 47] Operation: 32+15=47 Moving to Node #0,1 Current State: 31:[32, 45, 6], Operations: ['90/15=6'] Exploring Operation: 45-32=13, Resulting Numbers: [6, 13] Generated Node #0,1,0: 31:[6, 13] Operation: 45-32=13 Exploring Operation: 32+6=38, Resulting Numbers: [45, 38] Generated Node #0,1,1: 31:[45, 38] Operation: 32+6=38 Exploring Operation: 45+6=51, Resulting Numbers: [32, 51] Generated Node #0,1,2: 31:[32, 51] Operation: 45+6=51 Exploring Operation: 45-6=39, Resulting Numbers: [32, 39] Generated Node #0,1,3: 31:[32, 39] Operation: 45-6=39 Exploring Operation: 32-6=26, Resulting Numbers: [45, 26] Generated Node #0,1,4: 31:[45, 26] Operation: 32-6=26 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 31:[32, 39], Operations: ['90/15=6', '45-6=39'] Exploring Operation: 32*39=1248, Resulting Numbers: [1248] 1248,31 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,31 unequal: No Solution Exploring Operation: 32+39=71, Resulting Numbers: [71] 71,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 31:[45, 26], Operations: ['90/15=6', '32-6=26'] Exploring Operation: 45+26=71, Resulting Numbers: [71] 71,31 unequal: No Solution Exploring Operation: 45*26=1170, Resulting Numbers: [1170] 1170,31 unequal: No Solution Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 31:[45, 38], Operations: ['90/15=6', '32+6=38'] Exploring Operation: 45-38=7, Resulting Numbers: [7] 7,31 unequal: No Solution Exploring Operation: 45*38=1710, Resulting Numbers: [1710] 1710,31 unequal: No Solution Exploring Operation: 45+38=83, Resulting Numbers: [83] 83,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 31:[32, 51], Operations: ['90/15=6', '45+6=51'] Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 32+51=83, Resulting Numbers: [83] 83,31 unequal: No Solution Exploring Operation: 32*51=1632, Resulting Numbers: [1632] 1632,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[6, 13], Operations: ['90/15=6', '45-32=13'] Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,31 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,31 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: 31:[32, 15, 2], Operations: ['90/45=2'] Exploring Operation: 32+2=34, Resulting Numbers: [15, 34] Generated Node #0,0,0: 31:[15, 34] Operation: 32+2=34 Exploring Operation: 15*2=30, Resulting Numbers: [32, 30] Generated Node #0,0,1: 31:[32, 30] Operation: 15*2=30 Exploring Operation: 32-2=30, Resulting Numbers: [15, 30] Generated Node #0,0,2: 31:[15, 30] Operation: 32-2=30 Exploring Operation: 15-2=13, Resulting Numbers: [32, 13] Generated Node #0,0,3: 31:[32, 13] Operation: 15-2=13 Exploring Operation: 15+2=17, Resulting Numbers: [32, 17] Generated Node #0,0,4: 31:[32, 17] Operation: 15+2=17 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[32, 30], Operations: ['90/45=2', '15*2=30'] Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,31 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 31:[32, 17], Operations: ['90/45=2', '15+2=17'] Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,31 unequal: No Solution Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,31 unequal: No Solution Exploring Operation: 32*17=544, Resulting Numbers: [544] 544,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 31:[15, 30], Operations: ['90/45=2', '32-2=30'] Exploring Operation: 15+30=45, Resulting Numbers: [45] 45,31 unequal: No Solution Exploring Operation: 15*30=450, Resulting Numbers: [450] 450,31 unequal: No Solution Exploring Operation: 30/15=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 30-15=15, Resulting Numbers: [15] 15,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[15, 34], Operations: ['90/45=2', '32+2=34'] Exploring Operation: 15*34=510, Resulting Numbers: [510] 510,31 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 31:[32, 13], Operations: ['90/45=2', '15-2=13'] Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,31 unequal: No Solution Exploring Operation: 32*13=416, Resulting Numbers: [416] 416,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 31:[45, 15, 58], Operations: ['90-32=58'] Exploring Operation: 45+15=60, Resulting Numbers: [58, 60] Generated Node #0,3,0: 31:[58, 60] Operation: 45+15=60 Exploring Operation: 58-45=13, Resulting Numbers: [15, 13] Generated Node #0,3,1: 31:[15, 13] Operation: 58-45=13 Exploring Operation: 45/15=3, Resulting Numbers: [58, 3] Generated Node #0,3,2: 31:[58, 3] Operation: 45/15=3 Exploring Operation: 45-15=30, Resulting Numbers: [58, 30] Generated Node #0,3,3: 31:[58, 30] Operation: 45-15=30 Exploring Operation: 58-15=43, Resulting Numbers: [45, 43] Generated Node #0,3,4: 31:[45, 43] Operation: 58-15=43 Moving to Node #0,4 Current State: 31:[32, 45, 75], Operations: ['90-15=75'] Exploring Operation: 75-32=43, Resulting Numbers: [45, 43] Generated Node #0,4,0: 31:[45, 43] Operation: 75-32=43 Exploring Operation: 32+45=77, Resulting Numbers: [75, 77] Generated Node #0,4,1: 31:[75, 77] Operation: 32+45=77 Exploring Operation: 75-45=30, Resulting Numbers: [32, 30] Generated Node #0,4,2: 31:[32, 30] Operation: 75-45=30 Exploring Operation: 32+75=107, Resulting Numbers: [45, 107] Generated Node #0,4,3: 31:[45, 107] Operation: 32+75=107 Exploring Operation: 45-32=13, Resulting Numbers: [75, 13] Generated Node #0,4,4: 31:[75, 13] Operation: 45-32=13 Moving to Node #0,2,1 Current State: 31:[32, 30], Operations: ['90-45=45', '45-15=30'] Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,31 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,31 unequal: No Solution Moving to Node #0,4,2 Current State: 31:[32, 30], Operations: ['90-15=75', '75-45=30'] Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,31 unequal: No Solution Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,31 unequal: No Solution Moving to Node #0,3,4 Current State: 31:[45, 43], Operations: ['90-32=58', '58-15=43'] Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 45+43=88, Resulting Numbers: [88] 88,31 unequal: No Solution Exploring Operation: 45*43=1935, Resulting Numbers: [1935] 1935,31 unequal: No Solution Moving to Node #0,4,0 Current State: 31:[45, 43], Operations: ['90-15=75', '75-32=43'] Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 45+43=88, Resulting Numbers: [88] 88,31 unequal: No Solution Exploring Operation: 45*43=1935, Resulting Numbers: [1935] 1935,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[58, 30], Operations: ['90-32=58', '45-15=30'] Exploring Operation: 58*30=1740, Resulting Numbers: [1740] 1740,31 unequal: No Solution Exploring Operation: 58+30=88, Resulting Numbers: [88] 88,31 unequal: No Solution Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[45, 17], Operations: ['90-45=45', '32-15=17'] Exploring Operation: 45-17=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 45*17=765, Resulting Numbers: [765] 765,31 unequal: No Solution Exploring Operation: 45+17=62, Resulting Numbers: [62] 62,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[32, 3], Operations: ['90-45=45', '45/15=3'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,31 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,31 unequal: No Solution Moving to Node #0,2,4 Current State: 31:[45, 47], Operations: ['90-45=45', '32+15=47'] Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,31 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 45*47=2115, Resulting Numbers: [2115] 2115,31 unequal: No Solution Moving to Node #0,2,3 Current State: 31:[32, 60], Operations: ['90-45=45', '15+45=60'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 32*60=1920, Resulting Numbers: [1920] 1920,31 unequal: No Solution Exploring Operation: 32+60=92, Resulting Numbers: [92] 92,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[15, 13], Operations: ['90-32=58', '58-45=13'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,31 unequal: No Solution Moving to Node #0,3,2 Current State: 31:[58, 3], Operations: ['90-32=58', '45/15=3'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,31 unequal: No Solution Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,31 unequal: No Solution Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,31 unequal: No Solution Moving to Node #0,3,0 Current State: 31:[58, 60], Operations: ['90-32=58', '45+15=60'] Exploring Operation: 58+60=118, Resulting Numbers: [118] 118,31 unequal: No Solution Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 58*60=3480, Resulting Numbers: [3480] 3480,31 unequal: No Solution Moving to Node #0,4,4 Current State: 31:[75, 13], Operations: ['90-15=75', '45-32=13'] Exploring Operation: 75*13=975, Resulting Numbers: [975] 975,31 unequal: No Solution Exploring Operation: 75+13=88, Resulting Numbers: [88] 88,31 unequal: No Solution Exploring Operation: 75-13=62, Resulting Numbers: [62] 62,31 unequal: No Solution Moving to Node #0,4,3 Current State: 31:[45, 107], Operations: ['90-15=75', '32+75=107'] Exploring Operation: 45*107=4815, Resulting Numbers: [4815] 4815,31 unequal: No Solution Exploring Operation: 107-45=62, Resulting Numbers: [62] 62,31 unequal: No Solution Exploring Operation: 45+107=152, Resulting Numbers: [152] 152,31 unequal: No Solution Moving to Node #0,4,1 Current State: 31:[75, 77], Operations: ['90-15=75', '32+45=77'] Exploring Operation: 75*77=5775, Resulting Numbers: [5775] 5775,31 unequal: No Solution Exploring Operation: 77-75=2, Resulting Numbers: [2] 2,31 unequal: No Solution Exploring Operation: 75+77=152, Resulting Numbers: [152] 152,31 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 45, 90, 30, 64 ]
22
[ "64-45=19", "90/30=3", "19+3=22" ]
Current State: 22:[45, 90, 30, 64], Operations: [] Exploring Operation: 64-45=19, Resulting Numbers: [90, 30, 19] Generated Node #2: [90, 30, 19] from Operation: 64-45=19 Current State: 22:[90, 30, 19], Operations: ['64-45=19'] Exploring Operation: 90/30=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 90/30=3 Current State: 22:[19, 3], Operations: ['64-45=19', '90/30=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[45, 90, 30, 64], Operations: [] Exploring Operation: 90/30=3, Resulting Numbers: [45, 64, 3] Generated Node #0,0: 22:[45, 64, 3] Operation: 90/30=3 Exploring Operation: 90/45=2, Resulting Numbers: [30, 64, 2] Generated Node #0,1: 22:[30, 64, 2] Operation: 90/45=2 Exploring Operation: 90-64=26, Resulting Numbers: [45, 30, 26] Generated Node #0,2: 22:[45, 30, 26] Operation: 90-64=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[45, 30, 26], Operations: ['90-64=26'] Exploring Operation: 45-30=15, Resulting Numbers: [26, 15] Generated Node #0,2,0: 22:[26, 15] Operation: 45-30=15 Exploring Operation: 45-26=19, Resulting Numbers: [30, 19] Generated Node #0,2,1: 22:[30, 19] Operation: 45-26=19 Exploring Operation: 30-26=4, Resulting Numbers: [45, 4] Generated Node #0,2,2: 22:[45, 4] Operation: 30-26=4 Moving to Node #0,2,0 Current State: 22:[26, 15], Operations: ['90-64=26', '45-30=15'] Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,22 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,22 unequal: No Solution Moving to Node #0,2,1 Current State: 22:[30, 19], Operations: ['90-64=26', '45-26=19'] Exploring Operation: 30+19=49, Resulting Numbers: [49] 49,22 unequal: No Solution Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 30*19=570, Resulting Numbers: [570] 570,22 unequal: No Solution Moving to Node #0,2,2 Current State: 22:[45, 4], Operations: ['90-64=26', '30-26=4'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,22 unequal: No Solution Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,22 unequal: No Solution Exploring Operation: 45*4=180, Resulting Numbers: [180] 180,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[30, 64, 2], Operations: ['90/45=2'] Exploring Operation: 30/2=15, Resulting Numbers: [64, 15] Generated Node #0,1,0: 22:[64, 15] Operation: 30/2=15 Exploring Operation: 64-30=34, Resulting Numbers: [2, 34] Generated Node #0,1,1: 22:[2, 34] Operation: 64-30=34 Exploring Operation: 64/2=32, Resulting Numbers: [30, 32] Generated Node #0,1,2: 22:[30, 32] Operation: 64/2=32 Moving to Node #0,1,1 Current State: 22:[2, 34], Operations: ['90/45=2', '64-30=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[30, 32], Operations: ['90/45=2', '64/2=32'] Exploring Operation: 30+32=62, Resulting Numbers: [62] 62,22 unequal: No Solution Exploring Operation: 30*32=960, Resulting Numbers: [960] 960,22 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[64, 15], Operations: ['90/45=2', '30/2=15'] Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,22 unequal: No Solution Exploring Operation: 64*15=960, Resulting Numbers: [960] 960,22 unequal: No Solution Exploring Operation: 64+15=79, Resulting Numbers: [79] 79,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[45, 64, 3], Operations: ['90/30=3'] Exploring Operation: 45/3=15, Resulting Numbers: [64, 15] Generated Node #0,0,0: 22:[64, 15] Operation: 45/3=15 Exploring Operation: 64-45=19, Resulting Numbers: [3, 19] Generated Node #0,0,1: 22:[3, 19] Operation: 64-45=19 Exploring Operation: 45-3=42, Resulting Numbers: [64, 42] Generated Node #0,0,2: 22:[64, 42] Operation: 45-3=42 Moving to Node #0,0,1 Current State: 22:[3, 19], Operations: ['90/30=3', '64-45=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,22 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[45, 90, 30, 64], Operations: [] Exploring Operation: 90/30=3, Resulting Numbers: [45, 64, 3] Generated Node #0,0: 22:[45, 64, 3] Operation: 90/30=3 Moving to Node #0,0 Current State: 22:[45, 64, 3], Operations: ['90/30=3'] Exploring Operation: 64-45=19, Resulting Numbers: [3, 19] Generated Node #0,0,1: 22:[3, 19] Operation: 64-45=19 Moving to Node #0,0,1 Current State: 22:[3, 19], Operations: ['90/30=3', '64-45=19'] Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_3
sum_heuristic
[ 22, 37, 48, 62 ]
95
[ "37-22=15", "48+62=110", "110-15=95" ]
Current State: 95:[22, 37, 48, 62], Operations: [] Exploring Operation: 37-22=15, Resulting Numbers: [48, 62, 15] Generated Node #2: [48, 62, 15] from Operation: 37-22=15 Current State: 95:[48, 62, 15], Operations: ['37-22=15'] Exploring Operation: 48+62=110, Resulting Numbers: [15, 110] Generated Node #3: [15, 110] from Operation: 48+62=110 Current State: 95:[15, 110], Operations: ['37-22=15', '48+62=110'] Exploring Operation: 110-15=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[22, 37, 48, 62], Operations: [] Exploring Operation: 37+62=99, Resulting Numbers: [22, 48, 99] Generated Node #0,0: 95:[22, 48, 99] Operation: 37+62=99 Exploring Operation: 62-48=14, Resulting Numbers: [22, 37, 14] Generated Node #0,1: 95:[22, 37, 14] Operation: 62-48=14 Exploring Operation: 48+62=110, Resulting Numbers: [22, 37, 110] Generated Node #0,2: 95:[22, 37, 110] Operation: 48+62=110 Exploring Operation: 62-37=25, Resulting Numbers: [22, 48, 25] Generated Node #0,3: 95:[22, 48, 25] Operation: 62-37=25 Exploring Operation: 48-37=11, Resulting Numbers: [22, 62, 11] Generated Node #0,4: 95:[22, 62, 11] Operation: 48-37=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[22, 37, 14], Operations: ['62-48=14'] Exploring Operation: 37-22=15, Resulting Numbers: [14, 15] Generated Node #0,1,0: 95:[14, 15] Operation: 37-22=15 Exploring Operation: 37+14=51, Resulting Numbers: [22, 51] Generated Node #0,1,1: 95:[22, 51] Operation: 37+14=51 Exploring Operation: 37-14=23, Resulting Numbers: [22, 23] Generated Node #0,1,2: 95:[22, 23] Operation: 37-14=23 Exploring Operation: 22+14=36, Resulting Numbers: [37, 36] Generated Node #0,1,3: 95:[37, 36] Operation: 22+14=36 Exploring Operation: 22-14=8, Resulting Numbers: [37, 8] Generated Node #0,1,4: 95:[37, 8] Operation: 22-14=8 Moving to Node #0,1,2 Current State: 95:[22, 23], Operations: ['62-48=14', '37-14=23'] Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,95 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,95 unequal: No Solution Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[14, 15], Operations: ['62-48=14', '37-22=15'] Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,95 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,95 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,95 unequal: No Solution Moving to Node #0,1,4 Current State: 95:[37, 8], Operations: ['62-48=14', '22-14=8'] Exploring Operation: 37*8=296, Resulting Numbers: [296] 296,95 unequal: No Solution Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,95 unequal: No Solution Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[22, 51], Operations: ['62-48=14', '37+14=51'] Exploring Operation: 51-22=29, Resulting Numbers: [29] 29,95 unequal: No Solution Exploring Operation: 22*51=1122, Resulting Numbers: [1122] 1122,95 unequal: No Solution Exploring Operation: 22+51=73, Resulting Numbers: [73] 73,95 unequal: No Solution Moving to Node #0,1,3 Current State: 95:[37, 36], Operations: ['62-48=14', '22+14=36'] Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,95 unequal: No Solution Exploring Operation: 37*36=1332, Resulting Numbers: [1332] 1332,95 unequal: No Solution Exploring Operation: 37+36=73, Resulting Numbers: [73] 73,95 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 #0,0 Current State: 95:[22, 48, 99], Operations: ['37+62=99'] Exploring Operation: 48-22=26, Resulting Numbers: [99, 26] Generated Node #0,0,0: 95:[99, 26] Operation: 48-22=26 Exploring Operation: 22+48=70, Resulting Numbers: [99, 70] Generated Node #0,0,1: 95:[99, 70] Operation: 22+48=70 Exploring Operation: 99-48=51, Resulting Numbers: [22, 51] Generated Node #0,0,2: 95:[22, 51] Operation: 99-48=51 Exploring Operation: 99-22=77, Resulting Numbers: [48, 77] Generated Node #0,0,3: 95:[48, 77] Operation: 99-22=77 Exploring Operation: 22+99=121, Resulting Numbers: [48, 121] Generated Node #0,0,4: 95:[48, 121] Operation: 22+99=121 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[99, 26], Operations: ['37+62=99', '48-22=26'] Exploring Operation: 99+26=125, Resulting Numbers: [125] 125,95 unequal: No Solution Exploring Operation: 99-26=73, Resulting Numbers: [73] 73,95 unequal: No Solution Exploring Operation: 99*26=2574, Resulting Numbers: [2574] 2574,95 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 #0,0,1 Current State: 95:[99, 70], Operations: ['37+62=99', '22+48=70'] Exploring Operation: 99*70=6930, Resulting Numbers: [6930] 6930,95 unequal: No Solution Exploring Operation: 99+70=169, Resulting Numbers: [169] 169,95 unequal: No Solution Exploring Operation: 99-70=29, Resulting Numbers: [29] 29,95 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 #0,0,2 Current State: 95:[22, 51], Operations: ['37+62=99', '99-48=51'] Exploring Operation: 22+51=73, Resulting Numbers: [73] 73,95 unequal: No Solution Exploring Operation: 51-22=29, Resulting Numbers: [29] 29,95 unequal: No Solution Exploring Operation: 22*51=1122, Resulting Numbers: [1122] 1122,95 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 #0,0,3 Current State: 95:[48, 77], Operations: ['37+62=99', '99-22=77'] Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,95 unequal: No Solution Exploring Operation: 48+77=125, Resulting Numbers: [125] 125,95 unequal: No Solution Exploring Operation: 48*77=3696, Resulting Numbers: [3696] 3696,95 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 #0,0,4 Current State: 95:[48, 121], Operations: ['37+62=99', '22+99=121'] Exploring Operation: 48*121=5808, Resulting Numbers: [5808] 5808,95 unequal: No Solution Exploring Operation: 48+121=169, Resulting Numbers: [169] 169,95 unequal: No Solution Exploring Operation: 121-48=73, Resulting Numbers: [73] 73,95 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 #0,2 Current State: 95:[22, 37, 110], Operations: ['48+62=110'] Exploring Operation: 22+37=59, Resulting Numbers: [110, 59] Generated Node #0,2,0: 95:[110, 59] Operation: 22+37=59 Exploring Operation: 110-22=88, Resulting Numbers: [37, 88] Generated Node #0,2,1: 95:[37, 88] Operation: 110-22=88 Exploring Operation: 110-37=73, Resulting Numbers: [22, 73] Generated Node #0,2,2: 95:[22, 73] Operation: 110-37=73 Exploring Operation: 110/22=5, Resulting Numbers: [37, 5] Generated Node #0,2,3: 95:[37, 5] Operation: 110/22=5 Exploring Operation: 37-22=15, Resulting Numbers: [110, 15] Generated Node #0,2,4: 95:[110, 15] Operation: 37-22=15 Moving to Node #0,2,3 Current State: 95:[37, 5], Operations: ['48+62=110', '110/22=5'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,95 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,95 unequal: No Solution Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,95 unequal: No Solution Moving to Node #0,2,4 Current State: 95:[110, 15], Operations: ['48+62=110', '37-22=15'] Exploring Operation: 110*15=1650, Resulting Numbers: [1650] 1650,95 unequal: No Solution Exploring Operation: 110+15=125, Resulting Numbers: [125] 125,95 unequal: No Solution Exploring Operation: 110-15=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[22, 37, 48, 62], Operations: [] Exploring Operation: 48+62=110, Resulting Numbers: [22, 37, 110] Generated Node #0,2: 95:[22, 37, 110] Operation: 48+62=110 Moving to Node #0,2 Current State: 95:[22, 37, 110], Operations: ['48+62=110'] Exploring Operation: 37-22=15, Resulting Numbers: [110, 15] Generated Node #0,2,4: 95:[110, 15] Operation: 37-22=15 Moving to Node #0,2,4 Current State: 95:[110, 15], Operations: ['48+62=110', '37-22=15'] Exploring Operation: 110-15=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.947917
hs_5
sum_heuristic
[ 27, 47, 30, 45 ]
89
[ "27+47=74", "45-30=15", "74+15=89" ]
Current State: 89:[27, 47, 30, 45], Operations: [] Exploring Operation: 27+47=74, Resulting Numbers: [30, 45, 74] Generated Node #2: [30, 45, 74] from Operation: 27+47=74 Current State: 89:[30, 45, 74], Operations: ['27+47=74'] Exploring Operation: 45-30=15, Resulting Numbers: [74, 15] Generated Node #3: [74, 15] from Operation: 45-30=15 Current State: 89:[74, 15], Operations: ['27+47=74', '45-30=15'] Exploring Operation: 74+15=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[27, 47, 30, 45], Operations: [] Exploring Operation: 27+30=57, Resulting Numbers: [47, 45, 57] Generated Node #0,0: 89:[47, 45, 57] Operation: 27+30=57 Exploring Operation: 27+47=74, Resulting Numbers: [30, 45, 74] Generated Node #0,1: 89:[30, 45, 74] Operation: 27+47=74 Exploring Operation: 47+30=77, Resulting Numbers: [27, 45, 77] Generated Node #0,2: 89:[27, 45, 77] Operation: 47+30=77 Exploring Operation: 27+45=72, Resulting Numbers: [47, 30, 72] Generated Node #0,3: 89:[47, 30, 72] Operation: 27+45=72 Exploring Operation: 30+45=75, Resulting Numbers: [27, 47, 75] Generated Node #0,4: 89:[27, 47, 75] Operation: 30+45=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[47, 45, 57], Operations: ['27+30=57'] Exploring Operation: 47+57=104, Resulting Numbers: [45, 104] Generated Node #0,0,0: 89:[45, 104] Operation: 47+57=104 Exploring Operation: 57-45=12, Resulting Numbers: [47, 12] Generated Node #0,0,1: 89:[47, 12] Operation: 57-45=12 Exploring Operation: 45+57=102, Resulting Numbers: [47, 102] Generated Node #0,0,2: 89:[47, 102] Operation: 45+57=102 Exploring Operation: 47-45=2, Resulting Numbers: [57, 2] Generated Node #0,0,3: 89:[57, 2] Operation: 47-45=2 Exploring Operation: 47+45=92, Resulting Numbers: [57, 92] Generated Node #0,0,4: 89:[57, 92] Operation: 47+45=92 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 89:[57, 92], Operations: ['27+30=57', '47+45=92'] Exploring Operation: 57*92=5244, Resulting Numbers: [5244] 5244,89 unequal: No Solution Exploring Operation: 92-57=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 57+92=149, Resulting Numbers: [149] 149,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 89:[47, 102], Operations: ['27+30=57', '45+57=102'] Exploring Operation: 47+102=149, Resulting Numbers: [149] 149,89 unequal: No Solution Exploring Operation: 47*102=4794, Resulting Numbers: [4794] 4794,89 unequal: No Solution Exploring Operation: 102-47=55, Resulting Numbers: [55] 55,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[45, 104], Operations: ['27+30=57', '47+57=104'] Exploring Operation: 45+104=149, Resulting Numbers: [149] 149,89 unequal: No Solution Exploring Operation: 45*104=4680, Resulting Numbers: [4680] 4680,89 unequal: No Solution Exploring Operation: 104-45=59, Resulting Numbers: [59] 59,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[47, 12], Operations: ['27+30=57', '57-45=12'] Exploring Operation: 47+12=59, Resulting Numbers: [59] 59,89 unequal: No Solution Exploring Operation: 47*12=564, Resulting Numbers: [564] 564,89 unequal: No Solution Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 89:[57, 2], Operations: ['27+30=57', '47-45=2'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,89 unequal: No Solution Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,89 unequal: No Solution Exploring Operation: 57*2=114, Resulting Numbers: [114] 114,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[30, 45, 74], Operations: ['27+47=74'] Exploring Operation: 30+74=104, Resulting Numbers: [45, 104] Generated Node #0,1,0: 89:[45, 104] Operation: 30+74=104 Exploring Operation: 74-30=44, Resulting Numbers: [45, 44] Generated Node #0,1,1: 89:[45, 44] Operation: 74-30=44 Exploring Operation: 45-30=15, Resulting Numbers: [74, 15] Generated Node #0,1,2: 89:[74, 15] Operation: 45-30=15 Exploring Operation: 45+74=119, Resulting Numbers: [30, 119] Generated Node #0,1,3: 89:[30, 119] Operation: 45+74=119 Exploring Operation: 30+45=75, Resulting Numbers: [74, 75] Generated Node #0,1,4: 89:[74, 75] Operation: 30+45=75 Moving to Node #0,1,4 Current State: 89:[74, 75], Operations: ['27+47=74', '30+45=75'] Exploring Operation: 74*75=5550, Resulting Numbers: [5550] 5550,89 unequal: No Solution Exploring Operation: 74+75=149, Resulting Numbers: [149] 149,89 unequal: No Solution Exploring Operation: 75-74=1, Resulting Numbers: [1] 1,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[45, 104], Operations: ['27+47=74', '30+74=104'] Exploring Operation: 104-45=59, Resulting Numbers: [59] 59,89 unequal: No Solution Exploring Operation: 45*104=4680, Resulting Numbers: [4680] 4680,89 unequal: No Solution Exploring Operation: 45+104=149, Resulting Numbers: [149] 149,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[45, 44], Operations: ['27+47=74', '74-30=44'] Exploring Operation: 45+44=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[27, 47, 30, 45], Operations: [] Exploring Operation: 27+47=74, Resulting Numbers: [30, 45, 74] Generated Node #0,1: 89:[30, 45, 74] Operation: 27+47=74 Moving to Node #0,1 Current State: 89:[30, 45, 74], Operations: ['27+47=74'] Exploring Operation: 74-30=44, Resulting Numbers: [45, 44] Generated Node #0,1,1: 89:[45, 44] Operation: 74-30=44 Moving to Node #0,1,1 Current State: 89:[45, 44], Operations: ['27+47=74', '74-30=44'] Exploring Operation: 45+44=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 90, 25, 8, 46 ]
15
[ "8+46=54", "25*54=1350", "1350/90=15" ]
Current State: 15:[90, 25, 8, 46], Operations: [] Exploring Operation: 8+46=54, Resulting Numbers: [90, 25, 54] Generated Node #2: [90, 25, 54] from Operation: 8+46=54 Current State: 15:[90, 25, 54], Operations: ['8+46=54'] Exploring Operation: 25*54=1350, Resulting Numbers: [90, 1350] Generated Node #3: [90, 1350] from Operation: 25*54=1350 Current State: 15:[90, 1350], Operations: ['8+46=54', '25*54=1350'] Exploring Operation: 1350/90=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[90, 25, 8, 46], Operations: [] Exploring Operation: 46-25=21, Resulting Numbers: [90, 8, 21] Generated Node #0,0: 15:[90, 8, 21] Operation: 46-25=21 Exploring Operation: 90-46=44, Resulting Numbers: [25, 8, 44] Generated Node #0,1: 15:[25, 8, 44] Operation: 90-46=44 Exploring Operation: 90-8=82, Resulting Numbers: [25, 46, 82] Generated Node #0,2: 15:[25, 46, 82] Operation: 90-8=82 Exploring Operation: 90-25=65, Resulting Numbers: [8, 46, 65] Generated Node #0,3: 15:[8, 46, 65] Operation: 90-25=65 Moving to Node #0,1 Current State: 15:[25, 8, 44], Operations: ['90-46=44'] Exploring Operation: 44-25=19, Resulting Numbers: [8, 19] Generated Node #0,1,0: 15:[8, 19] Operation: 44-25=19 Exploring Operation: 25-8=17, Resulting Numbers: [44, 17] Generated Node #0,1,1: 15:[44, 17] Operation: 25-8=17 Exploring Operation: 25+8=33, Resulting Numbers: [44, 33] Generated Node #0,1,2: 15:[44, 33] Operation: 25+8=33 Exploring Operation: 44-8=36, Resulting Numbers: [25, 36] Generated Node #0,1,3: 15:[25, 36] Operation: 44-8=36 Moving to Node #0,3 Current State: 15:[8, 46, 65], Operations: ['90-25=65'] Exploring Operation: 46-8=38, Resulting Numbers: [65, 38] Generated Node #0,3,0: 15:[65, 38] Operation: 46-8=38 Exploring Operation: 65-8=57, Resulting Numbers: [46, 57] Generated Node #0,3,1: 15:[46, 57] Operation: 65-8=57 Exploring Operation: 65-46=19, Resulting Numbers: [8, 19] Generated Node #0,3,2: 15:[8, 19] Operation: 65-46=19 Exploring Operation: 8+46=54, Resulting Numbers: [65, 54] Generated Node #0,3,3: 15:[65, 54] Operation: 8+46=54 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 15:[8, 19], Operations: ['90-25=65', '65-46=19'] Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,15 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 15:[65, 38], Operations: ['90-25=65', '46-8=38'] Exploring Operation: 65+38=103, Resulting Numbers: [103] 103,15 unequal: No Solution Exploring Operation: 65*38=2470, Resulting Numbers: [2470] 2470,15 unequal: No Solution Exploring Operation: 65-38=27, Resulting Numbers: [27] 27,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 15:[46, 57], Operations: ['90-25=65', '65-8=57'] Exploring Operation: 46+57=103, Resulting Numbers: [103] 103,15 unequal: No Solution Exploring Operation: 46*57=2622, Resulting Numbers: [2622] 2622,15 unequal: No Solution Exploring Operation: 57-46=11, Resulting Numbers: [11] 11,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 15:[65, 54], Operations: ['90-25=65', '8+46=54'] Exploring Operation: 65+54=119, Resulting Numbers: [119] 119,15 unequal: No Solution Exploring Operation: 65-54=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 65*54=3510, Resulting Numbers: [3510] 3510,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 15:[90, 8, 21], Operations: ['46-25=21'] Exploring Operation: 21-8=13, Resulting Numbers: [90, 13] Generated Node #0,0,0: 15:[90, 13] Operation: 21-8=13 Exploring Operation: 90+8=98, Resulting Numbers: [21, 98] Generated Node #0,0,1: 15:[21, 98] Operation: 90+8=98 Exploring Operation: 90-21=69, Resulting Numbers: [8, 69] Generated Node #0,0,2: 15:[8, 69] Operation: 90-21=69 Exploring Operation: 90-8=82, Resulting Numbers: [21, 82] Generated Node #0,0,3: 15:[21, 82] Operation: 90-8=82 Moving to Node #0,2 Current State: 15:[25, 46, 82], Operations: ['90-8=82'] Exploring Operation: 25+46=71, Resulting Numbers: [82, 71] Generated Node #0,2,0: 15:[82, 71] Operation: 25+46=71 Exploring Operation: 82-46=36, Resulting Numbers: [25, 36] Generated Node #0,2,1: 15:[25, 36] Operation: 82-46=36 Exploring Operation: 82-25=57, Resulting Numbers: [46, 57] Generated Node #0,2,2: 15:[46, 57] Operation: 82-25=57 Exploring Operation: 46-25=21, Resulting Numbers: [82, 21] Generated Node #0,2,3: 15:[82, 21] Operation: 46-25=21 Moving to Node #0,1,0 Current State: 15:[8, 19], Operations: ['90-46=44', '44-25=19'] Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,15 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,15 unequal: No Solution Moving to Node #0,1,3 Current State: 15:[25, 36], Operations: ['90-46=44', '44-8=36'] Exploring Operation: 25+36=61, Resulting Numbers: [61] 61,15 unequal: No Solution Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 25*36=900, Resulting Numbers: [900] 900,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[44, 17], Operations: ['90-46=44', '25-8=17'] Exploring Operation: 44+17=61, Resulting Numbers: [61] 61,15 unequal: No Solution Exploring Operation: 44*17=748, Resulting Numbers: [748] 748,15 unequal: No Solution Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,15 unequal: No Solution Moving to Node #0,2,1 Current State: 15:[25, 36], Operations: ['90-8=82', '82-46=36'] Exploring Operation: 25+36=61, Resulting Numbers: [61] 61,15 unequal: No Solution Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 25*36=900, Resulting Numbers: [900] 900,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[44, 33], Operations: ['90-46=44', '25+8=33'] Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 44*33=1452, Resulting Numbers: [1452] 1452,15 unequal: No Solution Exploring Operation: 44+33=77, Resulting Numbers: [77] 77,15 unequal: No Solution Moving to Node #0,0,2 Current State: 15:[8, 69], Operations: ['46-25=21', '90-21=69'] Exploring Operation: 8*69=552, Resulting Numbers: [552] 552,15 unequal: No Solution Exploring Operation: 8+69=77, Resulting Numbers: [77] 77,15 unequal: No Solution Exploring Operation: 69-8=61, Resulting Numbers: [61] 61,15 unequal: No Solution Moving to Node #0,0,3 Current State: 15:[21, 82], Operations: ['46-25=21', '90-8=82'] Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,15 unequal: No Solution Exploring Operation: 21*82=1722, Resulting Numbers: [1722] 1722,15 unequal: No Solution Exploring Operation: 21+82=103, Resulting Numbers: [103] 103,15 unequal: No Solution Moving to Node #0,2,2 Current State: 15:[46, 57], Operations: ['90-8=82', '82-25=57'] Exploring Operation: 57-46=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 46*57=2622, Resulting Numbers: [2622] 2622,15 unequal: No Solution Exploring Operation: 46+57=103, Resulting Numbers: [103] 103,15 unequal: No Solution Moving to Node #0,2,3 Current State: 15:[82, 21], Operations: ['90-8=82', '46-25=21'] Exploring Operation: 82+21=103, Resulting Numbers: [103] 103,15 unequal: No Solution Exploring Operation: 82*21=1722, Resulting Numbers: [1722] 1722,15 unequal: No Solution Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[90, 13], Operations: ['46-25=21', '21-8=13'] Exploring Operation: 90*13=1170, Resulting Numbers: [1170] 1170,15 unequal: No Solution Exploring Operation: 90+13=103, Resulting Numbers: [103] 103,15 unequal: No Solution Exploring Operation: 90-13=77, Resulting Numbers: [77] 77,15 unequal: No Solution Moving to Node #0,0,1 Current State: 15:[21, 98], Operations: ['46-25=21', '90+8=98'] Exploring Operation: 21*98=2058, Resulting Numbers: [2058] 2058,15 unequal: No Solution Exploring Operation: 98-21=77, Resulting Numbers: [77] 77,15 unequal: No Solution Exploring Operation: 21+98=119, Resulting Numbers: [119] 119,15 unequal: No Solution Moving to Node #0,2,0 Current State: 15:[82, 71], Operations: ['90-8=82', '25+46=71'] Exploring Operation: 82-71=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 82+71=153, Resulting Numbers: [153] 153,15 unequal: No Solution Exploring Operation: 82*71=5822, Resulting Numbers: [5822] 5822,15 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 20, 55, 76, 4 ]
54
[ "55-20=35", "76/4=19", "35+19=54" ]
Current State: 54:[20, 55, 76, 4], Operations: [] Exploring Operation: 55-20=35, Resulting Numbers: [76, 4, 35] Generated Node #2: [76, 4, 35] from Operation: 55-20=35 Current State: 54:[76, 4, 35], Operations: ['55-20=35'] Exploring Operation: 76/4=19, Resulting Numbers: [35, 19] Generated Node #3: [35, 19] from Operation: 76/4=19 Current State: 54:[35, 19], Operations: ['55-20=35', '76/4=19'] Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[20, 55, 76, 4], Operations: [] Exploring Operation: 76/4=19, Resulting Numbers: [20, 55, 19] Generated Node #0,0: 54:[20, 55, 19] Operation: 76/4=19 Exploring Operation: 76-20=56, Resulting Numbers: [55, 4, 56] Generated Node #0,1: 54:[55, 4, 56] Operation: 76-20=56 Moving to Node #0,0 Current State: 54:[20, 55, 19], Operations: ['76/4=19'] Exploring Operation: 20-19=1, Resulting Numbers: [55, 1] Generated Node #0,0,0: 54:[55, 1] Operation: 20-19=1 Exploring Operation: 55-20=35, Resulting Numbers: [19, 35] Generated Node #0,0,1: 54:[19, 35] Operation: 55-20=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[55, 1], Operations: ['76/4=19', '20-19=1'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[20, 55, 76, 4], Operations: [] Exploring Operation: 76/4=19, Resulting Numbers: [20, 55, 19] Generated Node #0,0: 54:[20, 55, 19] Operation: 76/4=19 Moving to Node #0,0 Current State: 54:[20, 55, 19], Operations: ['76/4=19'] Exploring Operation: 20-19=1, Resulting Numbers: [55, 1] Generated Node #0,0,0: 54:[55, 1] Operation: 20-19=1 Moving to Node #0,0,0 Current State: 54:[55, 1], Operations: ['76/4=19', '20-19=1'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 39, 56, 39, 14 ]
70
[ "39+56=95", "39-14=25", "95-25=70" ]
Current State: 70:[39, 56, 39, 14], Operations: [] Exploring Operation: 39+56=95, Resulting Numbers: [14, 95] Generated Node #2: [14, 95] from Operation: 39+56=95 Current State: 70:[14, 95], Operations: ['39+56=95'] Exploring Operation: 39-14=25, Resulting Numbers: [95, 25] Generated Node #3: [95, 25] from Operation: 39-14=25 Current State: 70:[95, 25], Operations: ['39+56=95', '39-14=25'] Exploring Operation: 95-25=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[39, 56, 39, 14], Operations: [] Exploring Operation: 56-39=17, Resulting Numbers: [39, 14, 17] Generated Node #0,0: 70:[39, 14, 17] Operation: 56-39=17 Exploring Operation: 56-39=17, Resulting Numbers: [39, 14, 17] Generated Node #0,1: 70:[39, 14, 17] Operation: 56-39=17 Moving to Node #0,0 Current State: 70:[39, 14, 17], Operations: ['56-39=17'] Exploring Operation: 39-17=22, Resulting Numbers: [14, 22] Generated Node #0,0,0: 70:[14, 22] Operation: 39-17=22 Exploring Operation: 17-14=3, Resulting Numbers: [39, 3] Generated Node #0,0,1: 70:[39, 3] Operation: 17-14=3 Moving to Node #0,1 Current State: 70:[39, 14, 17], Operations: ['56-39=17'] Exploring Operation: 39-17=22, Resulting Numbers: [14, 22] Generated Node #0,1,0: 70:[14, 22] Operation: 39-17=22 Exploring Operation: 17-14=3, Resulting Numbers: [39, 3] Generated Node #0,1,1: 70:[39, 3] Operation: 17-14=3 Moving to Node #0,0,1 Current State: 70:[39, 3], Operations: ['56-39=17', '17-14=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,70 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[39, 3], Operations: ['56-39=17', '17-14=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,70 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[14, 22], Operations: ['56-39=17', '39-17=22'] Exploring Operation: 14+22=36, Resulting Numbers: [36] 36,70 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[14, 22], Operations: ['56-39=17', '39-17=22'] Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 14+22=36, Resulting Numbers: [36] 36,70 unequal: No Solution No solution found.
0
hs_2
mult_heuristic