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
[ 11, 76, 16, 6 ]
43
[ "76-11=65", "16+6=22", "65-22=43" ]
Current State: 43:[11, 76, 16, 6], Operations: [] Exploring Operation: 76-11=65, Resulting Numbers: [16, 6, 65] Generated Node #2: [16, 6, 65] from Operation: 76-11=65 Current State: 43:[16, 6, 65], Operations: ['76-11=65'] Exploring Operation: 16+6=22, Resulting Numbers: [65, 22] Generated Node #3: [65, 22] from Operation: 16+6=22 Current State: 43:[65, 22], Operations: ['76-11=65', '16+6=22'] Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[11, 76, 16, 6], Operations: [] Exploring Operation: 11*6=66, Resulting Numbers: [76, 16, 66] Generated Node #0,0: 43:[76, 16, 66] Operation: 11*6=66 Exploring Operation: 76-11=65, Resulting Numbers: [16, 6, 65] Generated Node #0,1: 43:[16, 6, 65] Operation: 76-11=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[76, 16, 66], Operations: ['11*6=66'] Exploring Operation: 76-16=60, Resulting Numbers: [66, 60] Generated Node #0,0,0: 43:[66, 60] Operation: 76-16=60 Exploring Operation: 66-16=50, Resulting Numbers: [76, 50] Generated Node #0,0,1: 43:[76, 50] Operation: 66-16=50 Moving to Node #0,0,0 Current State: 43:[66, 60], Operations: ['11*6=66', '76-16=60'] Exploring Operation: 66+60=126, Resulting Numbers: [126] 126,43 unequal: No Solution Exploring Operation: 66-60=6, Resulting Numbers: [6] 6,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[76, 50], Operations: ['11*6=66', '66-16=50'] Exploring Operation: 76+50=126, Resulting Numbers: [126] 126,43 unequal: No Solution Exploring Operation: 76-50=26, Resulting Numbers: [26] 26,43 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 Current State: 43:[16, 6, 65], Operations: ['76-11=65'] Exploring Operation: 65-16=49, Resulting Numbers: [6, 49] Generated Node #0,1,0: 43:[6, 49] Operation: 65-16=49 Exploring Operation: 16+6=22, Resulting Numbers: [65, 22] Generated Node #0,1,1: 43:[65, 22] Operation: 16+6=22 Moving to Node #0,1,0 Current State: 43:[6, 49], Operations: ['76-11=65', '65-16=49'] Exploring Operation: 6+49=55, Resulting Numbers: [55] 55,43 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[11, 76, 16, 6], Operations: [] Exploring Operation: 76-11=65, Resulting Numbers: [16, 6, 65] Generated Node #0,1: 43:[16, 6, 65] Operation: 76-11=65 Moving to Node #0,1 Current State: 43:[16, 6, 65], Operations: ['76-11=65'] Exploring Operation: 65-16=49, Resulting Numbers: [6, 49] Generated Node #0,1,0: 43:[6, 49] Operation: 65-16=49 Moving to Node #0,1,0 Current State: 43:[6, 49], Operations: ['76-11=65', '65-16=49'] Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 56, 72, 20, 63 ]
99
[ "72-56=16", "20+63=83", "16+83=99" ]
Current State: 99:[56, 72, 20, 63], Operations: [] Exploring Operation: 72-56=16, Resulting Numbers: [20, 63, 16] Generated Node #2: [20, 63, 16] from Operation: 72-56=16 Current State: 99:[20, 63, 16], Operations: ['72-56=16'] Exploring Operation: 20+63=83, Resulting Numbers: [16, 83] Generated Node #3: [16, 83] from Operation: 20+63=83 Current State: 99:[16, 83], Operations: ['72-56=16', '20+63=83'] Exploring Operation: 16+83=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[56, 72, 20, 63], Operations: [] Exploring Operation: 72-56=16, Resulting Numbers: [20, 63, 16] Generated Node #0,0: 99:[20, 63, 16] Operation: 72-56=16 Exploring Operation: 72-63=9, Resulting Numbers: [56, 20, 9] Generated Node #0,1: 99:[56, 20, 9] Operation: 72-63=9 Exploring Operation: 56+63=119, Resulting Numbers: [72, 20, 119] Generated Node #0,2: 99:[72, 20, 119] Operation: 56+63=119 Exploring Operation: 56-20=36, Resulting Numbers: [72, 63, 36] Generated Node #0,3: 99:[72, 63, 36] Operation: 56-20=36 Exploring Operation: 63-56=7, Resulting Numbers: [72, 20, 7] Generated Node #0,4: 99:[72, 20, 7] Operation: 63-56=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[56, 20, 9], Operations: ['72-63=9'] Exploring Operation: 56-9=47, Resulting Numbers: [20, 47] Generated Node #0,1,0: 99:[20, 47] Operation: 56-9=47 Exploring Operation: 20+9=29, Resulting Numbers: [56, 29] Generated Node #0,1,1: 99:[56, 29] Operation: 20+9=29 Exploring Operation: 20-9=11, Resulting Numbers: [56, 11] Generated Node #0,1,2: 99:[56, 11] Operation: 20-9=11 Exploring Operation: 56+20=76, Resulting Numbers: [9, 76] Generated Node #0,1,3: 99:[9, 76] Operation: 56+20=76 Exploring Operation: 56-20=36, Resulting Numbers: [9, 36] Generated Node #0,1,4: 99:[9, 36] Operation: 56-20=36 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 99:[9, 36], Operations: ['72-63=9', '56-20=36'] Exploring Operation: 9+36=45, Resulting Numbers: [45] 45,99 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,99 unequal: No Solution Exploring Operation: 9*36=324, Resulting Numbers: [324] 324,99 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,99 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:[20, 47], Operations: ['72-63=9', '56-9=47'] Exploring Operation: 20*47=940, Resulting Numbers: [940] 940,99 unequal: No Solution Exploring Operation: 20+47=67, Resulting Numbers: [67] 67,99 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,99 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:[56, 11], Operations: ['72-63=9', '20-9=11'] Exploring Operation: 56+11=67, Resulting Numbers: [67] 67,99 unequal: No Solution Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,99 unequal: No Solution Exploring Operation: 56*11=616, Resulting Numbers: [616] 616,99 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:[9, 76], Operations: ['72-63=9', '56+20=76'] Exploring Operation: 9*76=684, Resulting Numbers: [684] 684,99 unequal: No Solution Exploring Operation: 9+76=85, Resulting Numbers: [85] 85,99 unequal: No Solution Exploring Operation: 76-9=67, Resulting Numbers: [67] 67,99 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 #0,1,1 Current State: 99:[56, 29], Operations: ['72-63=9', '20+9=29'] Exploring Operation: 56+29=85, Resulting Numbers: [85] 85,99 unequal: No Solution Exploring Operation: 56*29=1624, Resulting Numbers: [1624] 1624,99 unequal: No Solution Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,99 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 #0,4 Current State: 99:[72, 20, 7], Operations: ['63-56=7'] Exploring Operation: 72+7=79, Resulting Numbers: [20, 79] Generated Node #0,4,0: 99:[20, 79] Operation: 72+7=79 Exploring Operation: 72-20=52, Resulting Numbers: [7, 52] Generated Node #0,4,1: 99:[7, 52] Operation: 72-20=52 Exploring Operation: 20-7=13, Resulting Numbers: [72, 13] Generated Node #0,4,2: 99:[72, 13] Operation: 20-7=13 Exploring Operation: 72+20=92, Resulting Numbers: [7, 92] Generated Node #0,4,3: 99:[7, 92] Operation: 72+20=92 Exploring Operation: 20+7=27, Resulting Numbers: [72, 27] Generated Node #0,4,4: 99:[72, 27] Operation: 20+7=27 Moving to Node #0,4,3 Current State: 99:[7, 92], Operations: ['63-56=7', '72+20=92'] Exploring Operation: 7*92=644, Resulting Numbers: [644] 644,99 unequal: No Solution Exploring Operation: 7+92=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[56, 72, 20, 63], Operations: [] Exploring Operation: 63-56=7, Resulting Numbers: [72, 20, 7] Generated Node #0,4: 99:[72, 20, 7] Operation: 63-56=7 Moving to Node #0,4 Current State: 99:[72, 20, 7], Operations: ['63-56=7'] Exploring Operation: 72+20=92, Resulting Numbers: [7, 92] Generated Node #0,4,3: 99:[7, 92] Operation: 72+20=92 Moving to Node #0,4,3 Current State: 99:[7, 92], Operations: ['63-56=7', '72+20=92'] Exploring Operation: 7+92=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 98, 7, 35, 18 ]
74
[ "98-7=91", "35-18=17", "91-17=74" ]
Current State: 74:[98, 7, 35, 18], Operations: [] Exploring Operation: 98-7=91, Resulting Numbers: [35, 18, 91] Generated Node #2: [35, 18, 91] from Operation: 98-7=91 Current State: 74:[35, 18, 91], Operations: ['98-7=91'] Exploring Operation: 35-18=17, Resulting Numbers: [91, 17] Generated Node #3: [91, 17] from Operation: 35-18=17 Current State: 74:[91, 17], Operations: ['98-7=91', '35-18=17'] Exploring Operation: 91-17=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[98, 7, 35, 18], Operations: [] Exploring Operation: 98-35=63, Resulting Numbers: [7, 18, 63] Generated Node #0,0: 74:[7, 18, 63] Operation: 98-35=63 Exploring Operation: 98/7=14, Resulting Numbers: [35, 18, 14] Generated Node #0,1: 74:[35, 18, 14] Operation: 98/7=14 Exploring Operation: 98-18=80, Resulting Numbers: [7, 35, 80] Generated Node #0,2: 74:[7, 35, 80] Operation: 98-18=80 Moving to Node #0,2 Current State: 74:[7, 35, 80], Operations: ['98-18=80'] Exploring Operation: 35/7=5, Resulting Numbers: [80, 5] Generated Node #0,2,0: 74:[80, 5] Operation: 35/7=5 Exploring Operation: 7+35=42, Resulting Numbers: [80, 42] Generated Node #0,2,1: 74:[80, 42] Operation: 7+35=42 Exploring Operation: 80-7=73, Resulting Numbers: [35, 73] Generated Node #0,2,2: 74:[35, 73] Operation: 80-7=73 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[35, 73], Operations: ['98-18=80', '80-7=73'] Exploring Operation: 35+73=108, Resulting Numbers: [108] 108,74 unequal: No Solution Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 35*73=2555, Resulting Numbers: [2555] 2555,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 74:[80, 5], Operations: ['98-18=80', '35/7=5'] Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,74 unequal: No Solution Exploring Operation: 80+5=85, Resulting Numbers: [85] 85,74 unequal: No Solution Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 74:[80, 42], Operations: ['98-18=80', '7+35=42'] Exploring Operation: 80*42=3360, Resulting Numbers: [3360] 3360,74 unequal: No Solution Exploring Operation: 80-42=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 80+42=122, Resulting Numbers: [122] 122,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 74:[35, 18, 14], Operations: ['98/7=14'] Exploring Operation: 18+14=32, Resulting Numbers: [35, 32] Generated Node #0,1,0: 74:[35, 32] Operation: 18+14=32 Exploring Operation: 35-18=17, Resulting Numbers: [14, 17] Generated Node #0,1,1: 74:[14, 17] Operation: 35-18=17 Exploring Operation: 18-14=4, Resulting Numbers: [35, 4] Generated Node #0,1,2: 74:[35, 4] Operation: 18-14=4 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 74:[35, 4], Operations: ['98/7=14', '18-14=4'] Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,74 unequal: No Solution Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 35*4=140, Resulting Numbers: [140] 140,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[35, 32], Operations: ['98/7=14', '18+14=32'] Exploring Operation: 35+32=67, Resulting Numbers: [67] 67,74 unequal: No Solution Exploring Operation: 35*32=1120, Resulting Numbers: [1120] 1120,74 unequal: No Solution Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[14, 17], Operations: ['98/7=14', '35-18=17'] Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 14+17=31, Resulting Numbers: [31] 31,74 unequal: No Solution Exploring Operation: 14*17=238, Resulting Numbers: [238] 238,74 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: 74:[7, 18, 63], Operations: ['98-35=63'] Exploring Operation: 18-7=11, Resulting Numbers: [63, 11] Generated Node #0,0,0: 74:[63, 11] Operation: 18-7=11 Exploring Operation: 18+63=81, Resulting Numbers: [7, 81] Generated Node #0,0,1: 74:[7, 81] Operation: 18+63=81 Exploring Operation: 63-18=45, Resulting Numbers: [7, 45] Generated Node #0,0,2: 74:[7, 45] Operation: 63-18=45 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[7, 81], Operations: ['98-35=63', '18+63=81'] Exploring Operation: 7+81=88, Resulting Numbers: [88] 88,74 unequal: No Solution Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[98, 7, 35, 18], Operations: [] Exploring Operation: 98-35=63, Resulting Numbers: [7, 18, 63] Generated Node #0,0: 74:[7, 18, 63] Operation: 98-35=63 Moving to Node #0,0 Current State: 74:[7, 18, 63], Operations: ['98-35=63'] Exploring Operation: 18+63=81, Resulting Numbers: [7, 81] Generated Node #0,0,1: 74:[7, 81] Operation: 18+63=81 Moving to Node #0,0,1 Current State: 74:[7, 81], Operations: ['98-35=63', '18+63=81'] Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_3
sum_heuristic
[ 23, 18, 56, 98 ]
77
[ "23*56=1288", "98+1288=1386", "1386/18=77" ]
Current State: 77:[23, 18, 56, 98], Operations: [] Exploring Operation: 23*56=1288, Resulting Numbers: [18, 98, 1288] Generated Node #2: [18, 98, 1288] from Operation: 23*56=1288 Current State: 77:[18, 98, 1288], Operations: ['23*56=1288'] Exploring Operation: 98+1288=1386, Resulting Numbers: [18, 1386] Generated Node #3: [18, 1386] from Operation: 98+1288=1386 Current State: 77:[18, 1386], Operations: ['23*56=1288', '98+1288=1386'] Exploring Operation: 1386/18=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[23, 18, 56, 98], Operations: [] Exploring Operation: 18+56=74, Resulting Numbers: [23, 98, 74] Generated Node #0,0: 77:[23, 98, 74] Operation: 18+56=74 Exploring Operation: 23+56=79, Resulting Numbers: [18, 98, 79] Generated Node #0,1: 77:[18, 98, 79] Operation: 23+56=79 Exploring Operation: 98-23=75, Resulting Numbers: [18, 56, 75] Generated Node #0,2: 77:[18, 56, 75] Operation: 98-23=75 Exploring Operation: 98-18=80, Resulting Numbers: [23, 56, 80] Generated Node #0,3: 77:[23, 56, 80] Operation: 98-18=80 Moving to Node #0,1 Current State: 77:[18, 98, 79], Operations: ['23+56=79'] Exploring Operation: 98-18=80, Resulting Numbers: [79, 80] Generated Node #0,1,0: 77:[79, 80] Operation: 98-18=80 Exploring Operation: 79-18=61, Resulting Numbers: [98, 61] Generated Node #0,1,1: 77:[98, 61] Operation: 79-18=61 Exploring Operation: 18+98=116, Resulting Numbers: [79, 116] Generated Node #0,1,2: 77:[79, 116] Operation: 18+98=116 Exploring Operation: 98-79=19, Resulting Numbers: [18, 19] Generated Node #0,1,3: 77:[18, 19] Operation: 98-79=19 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[79, 80], Operations: ['23+56=79', '98-18=80'] Exploring Operation: 79+80=159, Resulting Numbers: [159] 159,77 unequal: No Solution Exploring Operation: 79*80=6320, Resulting Numbers: [6320] 6320,77 unequal: No Solution Exploring Operation: 80-79=1, Resulting Numbers: [1] 1,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 77:[18, 19], Operations: ['23+56=79', '98-79=19'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,77 unequal: No Solution Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[98, 61], Operations: ['23+56=79', '79-18=61'] Exploring Operation: 98+61=159, Resulting Numbers: [159] 159,77 unequal: No Solution Exploring Operation: 98*61=5978, Resulting Numbers: [5978] 5978,77 unequal: No Solution Exploring Operation: 98-61=37, Resulting Numbers: [37] 37,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 77:[79, 116], Operations: ['23+56=79', '18+98=116'] Exploring Operation: 116-79=37, Resulting Numbers: [37] 37,77 unequal: No Solution Exploring Operation: 79+116=195, Resulting Numbers: [195] 195,77 unequal: No Solution Exploring Operation: 79*116=9164, Resulting Numbers: [9164] 9164,77 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: 77:[18, 56, 75], Operations: ['98-23=75'] Exploring Operation: 18+56=74, Resulting Numbers: [75, 74] Generated Node #0,2,0: 77:[75, 74] Operation: 18+56=74 Exploring Operation: 75-56=19, Resulting Numbers: [18, 19] Generated Node #0,2,1: 77:[18, 19] Operation: 75-56=19 Exploring Operation: 56-18=38, Resulting Numbers: [75, 38] Generated Node #0,2,2: 77:[75, 38] Operation: 56-18=38 Exploring Operation: 18+75=93, Resulting Numbers: [56, 93] Generated Node #0,2,3: 77:[56, 93] Operation: 18+75=93 Moving to Node #0,3 Current State: 77:[23, 56, 80], Operations: ['98-18=80'] Exploring Operation: 80-23=57, Resulting Numbers: [56, 57] Generated Node #0,3,0: 77:[56, 57] Operation: 80-23=57 Exploring Operation: 56-23=33, Resulting Numbers: [80, 33] Generated Node #0,3,1: 77:[80, 33] Operation: 56-23=33 Exploring Operation: 23+56=79, Resulting Numbers: [80, 79] Generated Node #0,3,2: 77:[80, 79] Operation: 23+56=79 Exploring Operation: 80-56=24, Resulting Numbers: [23, 24] Generated Node #0,3,3: 77:[23, 24] Operation: 80-56=24 Moving to Node #0,0 Current State: 77:[23, 98, 74], Operations: ['18+56=74'] Exploring Operation: 23+74=97, Resulting Numbers: [98, 97] Generated Node #0,0,0: 77:[98, 97] Operation: 23+74=97 Exploring Operation: 23+98=121, Resulting Numbers: [74, 121] Generated Node #0,0,1: 77:[74, 121] Operation: 23+98=121 Exploring Operation: 98-23=75, Resulting Numbers: [74, 75] Generated Node #0,0,2: 77:[74, 75] Operation: 98-23=75 Exploring Operation: 98-74=24, Resulting Numbers: [23, 24] Generated Node #0,0,3: 77:[23, 24] Operation: 98-74=24 Moving to Node #0,2,0 Current State: 77:[75, 74], Operations: ['98-23=75', '18+56=74'] Exploring Operation: 75-74=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 75*74=5550, Resulting Numbers: [5550] 5550,77 unequal: No Solution Exploring Operation: 75+74=149, Resulting Numbers: [149] 149,77 unequal: No Solution Moving to Node #0,3,2 Current State: 77:[80, 79], Operations: ['98-18=80', '23+56=79'] Exploring Operation: 80+79=159, Resulting Numbers: [159] 159,77 unequal: No Solution Exploring Operation: 80-79=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 80*79=6320, Resulting Numbers: [6320] 6320,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[74, 75], Operations: ['18+56=74', '98-23=75'] Exploring Operation: 74*75=5550, Resulting Numbers: [5550] 5550,77 unequal: No Solution Exploring Operation: 75-74=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 74+75=149, Resulting Numbers: [149] 149,77 unequal: No Solution Moving to Node #0,2,1 Current State: 77:[18, 19], Operations: ['98-23=75', '75-56=19'] Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,77 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,77 unequal: No Solution Moving to Node #0,3,1 Current State: 77:[80, 33], Operations: ['98-18=80', '56-23=33'] Exploring Operation: 80+33=113, Resulting Numbers: [113] 113,77 unequal: No Solution Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,77 unequal: No Solution Exploring Operation: 80*33=2640, Resulting Numbers: [2640] 2640,77 unequal: No Solution Moving to Node #0,3,3 Current State: 77:[23, 24], Operations: ['98-18=80', '80-56=24'] Exploring Operation: 23*24=552, Resulting Numbers: [552] 552,77 unequal: No Solution Exploring Operation: 23+24=47, Resulting Numbers: [47] 47,77 unequal: No Solution Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,77 unequal: No Solution Moving to Node #0,0,3 Current State: 77:[23, 24], Operations: ['18+56=74', '98-74=24'] Exploring Operation: 23*24=552, Resulting Numbers: [552] 552,77 unequal: No Solution Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 23+24=47, Resulting Numbers: [47] 47,77 unequal: No Solution Moving to Node #0,2,2 Current State: 77:[75, 38], Operations: ['98-23=75', '56-18=38'] Exploring Operation: 75+38=113, Resulting Numbers: [113] 113,77 unequal: No Solution Exploring Operation: 75*38=2850, Resulting Numbers: [2850] 2850,77 unequal: No Solution Exploring Operation: 75-38=37, Resulting Numbers: [37] 37,77 unequal: No Solution Moving to Node #0,2,3 Current State: 77:[56, 93], Operations: ['98-23=75', '18+75=93'] Exploring Operation: 93-56=37, Resulting Numbers: [37] 37,77 unequal: No Solution Exploring Operation: 56+93=149, Resulting Numbers: [149] 149,77 unequal: No Solution Exploring Operation: 56*93=5208, Resulting Numbers: [5208] 5208,77 unequal: No Solution Moving to Node #0,3,0 Current State: 77:[56, 57], Operations: ['98-18=80', '80-23=57'] Exploring Operation: 57-56=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 56*57=3192, Resulting Numbers: [3192] 3192,77 unequal: No Solution Exploring Operation: 56+57=113, Resulting Numbers: [113] 113,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[98, 97], Operations: ['18+56=74', '23+74=97'] Exploring Operation: 98-97=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 98+97=195, Resulting Numbers: [195] 195,77 unequal: No Solution Exploring Operation: 98*97=9506, Resulting Numbers: [9506] 9506,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[74, 121], Operations: ['18+56=74', '23+98=121'] Exploring Operation: 121-74=47, Resulting Numbers: [47] 47,77 unequal: No Solution Exploring Operation: 74*121=8954, Resulting Numbers: [8954] 8954,77 unequal: No Solution Exploring Operation: 74+121=195, Resulting Numbers: [195] 195,77 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 34, 55, 53, 23 ]
97
[ "55-34=21", "53+23=76", "21+76=97" ]
Current State: 97:[34, 55, 53, 23], Operations: [] Exploring Operation: 55-34=21, Resulting Numbers: [53, 23, 21] Generated Node #2: [53, 23, 21] from Operation: 55-34=21 Current State: 97:[53, 23, 21], Operations: ['55-34=21'] Exploring Operation: 53+23=76, Resulting Numbers: [21, 76] Generated Node #3: [21, 76] from Operation: 53+23=76 Current State: 97:[21, 76], Operations: ['55-34=21', '53+23=76'] Exploring Operation: 21+76=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[34, 55, 53, 23], Operations: [] Exploring Operation: 34+55=89, Resulting Numbers: [53, 23, 89] Generated Node #0,0: 97:[53, 23, 89] Operation: 34+55=89 Exploring Operation: 34+23=57, Resulting Numbers: [55, 53, 57] Generated Node #0,1: 97:[55, 53, 57] Operation: 34+23=57 Exploring Operation: 55+23=78, Resulting Numbers: [34, 53, 78] Generated Node #0,2: 97:[34, 53, 78] Operation: 55+23=78 Exploring Operation: 34+53=87, Resulting Numbers: [55, 23, 87] Generated Node #0,3: 97:[55, 23, 87] Operation: 34+53=87 Exploring Operation: 53+23=76, Resulting Numbers: [34, 55, 76] Generated Node #0,4: 97:[34, 55, 76] Operation: 53+23=76 Moving to Node #0,0 Current State: 97:[53, 23, 89], Operations: ['34+55=89'] Exploring Operation: 53+23=76, Resulting Numbers: [89, 76] Generated Node #0,0,0: 97:[89, 76] Operation: 53+23=76 Exploring Operation: 89-23=66, Resulting Numbers: [53, 66] Generated Node #0,0,1: 97:[53, 66] Operation: 89-23=66 Exploring Operation: 53+89=142, Resulting Numbers: [23, 142] Generated Node #0,0,2: 97:[23, 142] Operation: 53+89=142 Exploring Operation: 23+89=112, Resulting Numbers: [53, 112] Generated Node #0,0,3: 97:[53, 112] Operation: 23+89=112 Exploring Operation: 53-23=30, Resulting Numbers: [89, 30] Generated Node #0,0,4: 97:[89, 30] Operation: 53-23=30 Moving to Node #0,2 Current State: 97:[34, 53, 78], Operations: ['55+23=78'] Exploring Operation: 53+78=131, Resulting Numbers: [34, 131] Generated Node #0,2,0: 97:[34, 131] Operation: 53+78=131 Exploring Operation: 53-34=19, Resulting Numbers: [78, 19] Generated Node #0,2,1: 97:[78, 19] Operation: 53-34=19 Exploring Operation: 34+78=112, Resulting Numbers: [53, 112] Generated Node #0,2,2: 97:[53, 112] Operation: 34+78=112 Exploring Operation: 78-34=44, Resulting Numbers: [53, 44] Generated Node #0,2,3: 97:[53, 44] Operation: 78-34=44 Exploring Operation: 34+53=87, Resulting Numbers: [78, 87] Generated Node #0,2,4: 97:[78, 87] Operation: 34+53=87 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 97:[78, 87], Operations: ['55+23=78', '34+53=87'] Exploring Operation: 87-78=9, Resulting Numbers: [9] 9,97 unequal: No Solution Exploring Operation: 78+87=165, Resulting Numbers: [165] 165,97 unequal: No Solution Exploring Operation: 78*87=6786, Resulting Numbers: [6786] 6786,97 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:[53, 112], Operations: ['55+23=78', '34+78=112'] Exploring Operation: 53+112=165, Resulting Numbers: [165] 165,97 unequal: No Solution Exploring Operation: 53*112=5936, Resulting Numbers: [5936] 5936,97 unequal: No Solution Exploring Operation: 112-53=59, Resulting Numbers: [59] 59,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[34, 131], Operations: ['55+23=78', '53+78=131'] Exploring Operation: 34+131=165, Resulting Numbers: [165] 165,97 unequal: No Solution Exploring Operation: 34*131=4454, Resulting Numbers: [4454] 4454,97 unequal: No Solution Exploring Operation: 131-34=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[34, 55, 53, 23], Operations: [] Exploring Operation: 55+23=78, Resulting Numbers: [34, 53, 78] Generated Node #0,2: 97:[34, 53, 78] Operation: 55+23=78 Moving to Node #0,2 Current State: 97:[34, 53, 78], Operations: ['55+23=78'] Exploring Operation: 53+78=131, Resulting Numbers: [34, 131] Generated Node #0,2,0: 97:[34, 131] Operation: 53+78=131 Moving to Node #0,2,0 Current State: 97:[34, 131], Operations: ['55+23=78', '53+78=131'] Exploring Operation: 131-34=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_5
mult_heuristic
[ 55, 40, 84, 88 ]
53
[ "84-40=44", "88/44=2", "55-2=53" ]
Current State: 53:[55, 40, 84, 88], Operations: [] Exploring Operation: 84-40=44, Resulting Numbers: [55, 88, 44] Generated Node #2: [55, 88, 44] from Operation: 84-40=44 Current State: 53:[55, 88, 44], Operations: ['84-40=44'] Exploring Operation: 88/44=2, Resulting Numbers: [55, 2] Generated Node #3: [55, 2] from Operation: 88/44=2 Current State: 53:[55, 2], Operations: ['84-40=44', '88/44=2'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[55, 40, 84, 88], Operations: [] Exploring Operation: 84-55=29, Resulting Numbers: [40, 88, 29] Generated Node #0,0: 53:[40, 88, 29] Operation: 84-55=29 Exploring Operation: 84-40=44, Resulting Numbers: [55, 88, 44] Generated Node #0,1: 53:[55, 88, 44] Operation: 84-40=44 Exploring Operation: 88-84=4, Resulting Numbers: [55, 40, 4] Generated Node #0,2: 53:[55, 40, 4] Operation: 88-84=4 Exploring Operation: 88-55=33, Resulting Numbers: [40, 84, 33] Generated Node #0,3: 53:[40, 84, 33] Operation: 88-55=33 Exploring Operation: 88-40=48, Resulting Numbers: [55, 84, 48] Generated Node #0,4: 53:[55, 84, 48] Operation: 88-40=48 Moving to Node #0,4 Current State: 53:[55, 84, 48], Operations: ['88-40=48'] Exploring Operation: 55+48=103, Resulting Numbers: [84, 103] Generated Node #0,4,0: 53:[84, 103] Operation: 55+48=103 Exploring Operation: 84-48=36, Resulting Numbers: [55, 36] Generated Node #0,4,1: 53:[55, 36] Operation: 84-48=36 Exploring Operation: 84+48=132, Resulting Numbers: [55, 132] Generated Node #0,4,2: 53:[55, 132] Operation: 84+48=132 Exploring Operation: 55-48=7, Resulting Numbers: [84, 7] Generated Node #0,4,3: 53:[84, 7] Operation: 55-48=7 Exploring Operation: 84-55=29, Resulting Numbers: [48, 29] Generated Node #0,4,4: 53:[48, 29] Operation: 84-55=29 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 53:[55, 36], Operations: ['88-40=48', '84-48=36'] Exploring Operation: 55+36=91, Resulting Numbers: [91] 91,53 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,53 unequal: No Solution Exploring Operation: 55*36=1980, Resulting Numbers: [1980] 1980,53 unequal: No Solution No 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: 53:[48, 29], Operations: ['88-40=48', '84-55=29'] Exploring Operation: 48+29=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 48*29=1392, Resulting Numbers: [1392] 1392,53 unequal: No Solution Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,53 unequal: No Solution No 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: 53:[84, 7], Operations: ['88-40=48', '55-48=7'] Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,53 unequal: No Solution Exploring Operation: 84-7=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 84*7=588, Resulting Numbers: [588] 588,53 unequal: No Solution Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,53 unequal: No Solution No 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: 53:[84, 103], Operations: ['88-40=48', '55+48=103'] Exploring Operation: 103-84=19, Resulting Numbers: [19] 19,53 unequal: No Solution Exploring Operation: 84*103=8652, Resulting Numbers: [8652] 8652,53 unequal: No Solution Exploring Operation: 84+103=187, Resulting Numbers: [187] 187,53 unequal: No Solution No 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: 53:[55, 132], Operations: ['88-40=48', '84+48=132'] Exploring Operation: 55*132=7260, Resulting Numbers: [7260] 7260,53 unequal: No Solution Exploring Operation: 55+132=187, Resulting Numbers: [187] 187,53 unequal: No Solution Exploring Operation: 132-55=77, Resulting Numbers: [77] 77,53 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: 53:[55, 88, 44], Operations: ['84-40=44'] Exploring Operation: 55+44=99, Resulting Numbers: [88, 99] Generated Node #0,1,0: 53:[88, 99] Operation: 55+44=99 Exploring Operation: 55-44=11, Resulting Numbers: [88, 11] Generated Node #0,1,1: 53:[88, 11] Operation: 55-44=11 Exploring Operation: 88/44=2, Resulting Numbers: [55, 2] Generated Node #0,1,2: 53:[55, 2] Operation: 88/44=2 Exploring Operation: 88-44=44, Resulting Numbers: [55, 44] Generated Node #0,1,3: 53:[55, 44] Operation: 88-44=44 Exploring Operation: 88-55=33, Resulting Numbers: [44, 33] Generated Node #0,1,4: 53:[44, 33] Operation: 88-55=33 Moving to Node #0,2 Current State: 53:[55, 40, 4], Operations: ['88-84=4'] Exploring Operation: 40/4=10, Resulting Numbers: [55, 10] Generated Node #0,2,0: 53:[55, 10] Operation: 40/4=10 Exploring Operation: 55-4=51, Resulting Numbers: [40, 51] Generated Node #0,2,1: 53:[40, 51] Operation: 55-4=51 Exploring Operation: 40+4=44, Resulting Numbers: [55, 44] Generated Node #0,2,2: 53:[55, 44] Operation: 40+4=44 Exploring Operation: 40-4=36, Resulting Numbers: [55, 36] Generated Node #0,2,3: 53:[55, 36] Operation: 40-4=36 Exploring Operation: 55+4=59, Resulting Numbers: [40, 59] Generated Node #0,2,4: 53:[40, 59] Operation: 55+4=59 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 53:[55, 44], Operations: ['88-84=4', '40+4=44'] Exploring Operation: 55+44=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 55-44=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 55*44=2420, Resulting Numbers: [2420] 2420,53 unequal: No Solution No 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: 53:[40, 51], Operations: ['88-84=4', '55-4=51'] Exploring Operation: 40*51=2040, Resulting Numbers: [2040] 2040,53 unequal: No Solution Exploring Operation: 40+51=91, Resulting Numbers: [91] 91,53 unequal: No Solution Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,53 unequal: No Solution No 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: 53:[55, 36], Operations: ['88-84=4', '40-4=36'] Exploring Operation: 55*36=1980, Resulting Numbers: [1980] 1980,53 unequal: No Solution Exploring Operation: 55+36=91, Resulting Numbers: [91] 91,53 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,53 unequal: No Solution No 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: 53:[40, 59], Operations: ['88-84=4', '55+4=59'] Exploring Operation: 59-40=19, Resulting Numbers: [19] 19,53 unequal: No Solution Exploring Operation: 40*59=2360, Resulting Numbers: [2360] 2360,53 unequal: No Solution Exploring Operation: 40+59=99, Resulting Numbers: [99] 99,53 unequal: No Solution No 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: 53:[55, 10], Operations: ['88-84=4', '40/4=10'] Exploring Operation: 55+10=65, Resulting Numbers: [65] 65,53 unequal: No Solution Exploring Operation: 55*10=550, Resulting Numbers: [550] 550,53 unequal: No Solution Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,53 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: 53:[40, 84, 33], Operations: ['88-55=33'] Exploring Operation: 40+33=73, Resulting Numbers: [84, 73] Generated Node #0,3,0: 53:[84, 73] Operation: 40+33=73 Exploring Operation: 84-33=51, Resulting Numbers: [40, 51] Generated Node #0,3,1: 53:[40, 51] Operation: 84-33=51 Exploring Operation: 84-40=44, Resulting Numbers: [33, 44] Generated Node #0,3,2: 53:[33, 44] Operation: 84-40=44 Exploring Operation: 84+33=117, Resulting Numbers: [40, 117] Generated Node #0,3,3: 53:[40, 117] Operation: 84+33=117 Exploring Operation: 40-33=7, Resulting Numbers: [84, 7] Generated Node #0,3,4: 53:[84, 7] Operation: 40-33=7 Moving to Node #0,0 Current State: 53:[40, 88, 29], Operations: ['84-55=29'] Exploring Operation: 40+29=69, Resulting Numbers: [88, 69] Generated Node #0,0,0: 53:[88, 69] Operation: 40+29=69 Exploring Operation: 88-29=59, Resulting Numbers: [40, 59] Generated Node #0,0,1: 53:[40, 59] Operation: 88-29=59 Exploring Operation: 88+29=117, Resulting Numbers: [40, 117] Generated Node #0,0,2: 53:[40, 117] Operation: 88+29=117 Exploring Operation: 40-29=11, Resulting Numbers: [88, 11] Generated Node #0,0,3: 53:[88, 11] Operation: 40-29=11 Exploring Operation: 88-40=48, Resulting Numbers: [29, 48] Generated Node #0,0,4: 53:[29, 48] Operation: 88-40=48 Moving to Node #0,1,3 Current State: 53:[55, 44], Operations: ['84-40=44', '88-44=44'] Exploring Operation: 55+44=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 55-44=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 55*44=2420, Resulting Numbers: [2420] 2420,53 unequal: No Solution Moving to Node #0,3,1 Current State: 53:[40, 51], Operations: ['88-55=33', '84-33=51'] Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 40*51=2040, Resulting Numbers: [2040] 2040,53 unequal: No Solution Exploring Operation: 40+51=91, Resulting Numbers: [91] 91,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[40, 59], Operations: ['84-55=29', '88-29=59'] Exploring Operation: 40+59=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 40*59=2360, Resulting Numbers: [2360] 2360,53 unequal: No Solution Exploring Operation: 59-40=19, Resulting Numbers: [19] 19,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[33, 44], Operations: ['88-55=33', '84-40=44'] Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 33+44=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 33*44=1452, Resulting Numbers: [1452] 1452,53 unequal: No Solution Moving to Node #0,0,4 Current State: 53:[29, 48], Operations: ['84-55=29', '88-40=48'] Exploring Operation: 29*48=1392, Resulting Numbers: [1392] 1392,53 unequal: No Solution Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,53 unequal: No Solution Exploring Operation: 29+48=77, Resulting Numbers: [77] 77,53 unequal: No Solution Moving to Node #0,1,4 Current State: 53:[44, 33], Operations: ['84-40=44', '88-55=33'] Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 44+33=77, Resulting Numbers: [77] 77,53 unequal: No Solution Exploring Operation: 44*33=1452, Resulting Numbers: [1452] 1452,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[88, 69], Operations: ['84-55=29', '40+29=69'] Exploring Operation: 88+69=157, Resulting Numbers: [157] 157,53 unequal: No Solution Exploring Operation: 88-69=19, Resulting Numbers: [19] 19,53 unequal: No Solution Exploring Operation: 88*69=6072, Resulting Numbers: [6072] 6072,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[84, 73], Operations: ['88-55=33', '40+33=73'] Exploring Operation: 84-73=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 84*73=6132, Resulting Numbers: [6132] 6132,53 unequal: No Solution Exploring Operation: 84+73=157, Resulting Numbers: [157] 157,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[55, 2], Operations: ['84-40=44', '88/44=2'] Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,53 unequal: No Solution Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,53 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[55, 40, 84, 88], Operations: [] Exploring Operation: 84-40=44, Resulting Numbers: [55, 88, 44] Generated Node #0,1: 53:[55, 88, 44] Operation: 84-40=44 Moving to Node #0,1 Current State: 53:[55, 88, 44], Operations: ['84-40=44'] Exploring Operation: 88/44=2, Resulting Numbers: [55, 2] Generated Node #0,1,2: 53:[55, 2] Operation: 88/44=2 Moving to Node #0,1,2 Current State: 53:[55, 2], Operations: ['84-40=44', '88/44=2'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
0.920139
hs_5
sum_heuristic
[ 82, 10, 93, 4 ]
54
[ "93-82=11", "4*11=44", "10+44=54" ]
Current State: 54:[82, 10, 93, 4], Operations: [] Exploring Operation: 93-82=11, Resulting Numbers: [10, 4, 11] Generated Node #2: [10, 4, 11] from Operation: 93-82=11 Current State: 54:[10, 4, 11], Operations: ['93-82=11'] Exploring Operation: 4*11=44, Resulting Numbers: [10, 44] Generated Node #3: [10, 44] from Operation: 4*11=44 Current State: 54:[10, 44], Operations: ['93-82=11', '4*11=44'] Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[82, 10, 93, 4], Operations: [] Exploring Operation: 93-82=11, Resulting Numbers: [10, 4, 11] Generated Node #0,0: 54:[10, 4, 11] Operation: 93-82=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[10, 4, 11], Operations: ['93-82=11'] Exploring Operation: 10-4=6, Resulting Numbers: [11, 6] Generated Node #0,0,0: 54:[11, 6] Operation: 10-4=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[11, 6], Operations: ['93-82=11', '10-4=6'] Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,54 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 No solution found.
0
hs_1
mult_heuristic
[ 82, 26, 76, 2 ]
85
[ "76+2=78", "78/26=3", "82+3=85" ]
Current State: 85:[82, 26, 76, 2], Operations: [] Exploring Operation: 76+2=78, Resulting Numbers: [82, 26, 78] Generated Node #2: [82, 26, 78] from Operation: 76+2=78 Current State: 85:[82, 26, 78], Operations: ['76+2=78'] Exploring Operation: 78/26=3, Resulting Numbers: [82, 3] Generated Node #3: [82, 3] from Operation: 78/26=3 Current State: 85:[82, 3], Operations: ['76+2=78', '78/26=3'] Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[82, 26, 76, 2], Operations: [] Exploring Operation: 26-2=24, Resulting Numbers: [82, 76, 24] Generated Node #0,0: 85:[82, 76, 24] Operation: 26-2=24 Exploring Operation: 26/2=13, Resulting Numbers: [82, 76, 13] Generated Node #0,1: 85:[82, 76, 13] Operation: 26/2=13 Exploring Operation: 82+2=84, Resulting Numbers: [26, 76, 84] Generated Node #0,2: 85:[26, 76, 84] Operation: 82+2=84 Exploring Operation: 76+2=78, Resulting Numbers: [82, 26, 78] Generated Node #0,3: 85:[82, 26, 78] Operation: 76+2=78 Exploring Operation: 82-76=6, Resulting Numbers: [26, 2, 6] Generated Node #0,4: 85:[26, 2, 6] Operation: 82-76=6 Start Sub Search at level 1: Moving to Node #0,4 Current State: 85:[26, 2, 6], Operations: ['82-76=6'] Exploring Operation: 26-6=20, Resulting Numbers: [2, 20] Generated Node #0,4,0: 85:[2, 20] Operation: 26-6=20 Exploring Operation: 6-2=4, Resulting Numbers: [26, 4] Generated Node #0,4,1: 85:[26, 4] Operation: 6-2=4 Exploring Operation: 26/2=13, Resulting Numbers: [6, 13] Generated Node #0,4,2: 85:[6, 13] Operation: 26/2=13 Exploring Operation: 26-2=24, Resulting Numbers: [6, 24] Generated Node #0,4,3: 85:[6, 24] Operation: 26-2=24 Exploring Operation: 6/2=3, Resulting Numbers: [26, 3] Generated Node #0,4,4: 85:[26, 3] Operation: 6/2=3 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 85:[6, 13], Operations: ['82-76=6', '26/2=13'] Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,85 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,85 unequal: No Solution No 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: 85:[2, 20], Operations: ['82-76=6', '26-6=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,85 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,85 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,85 unequal: No Solution No 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: 85:[6, 24], Operations: ['82-76=6', '26-2=24'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,85 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,85 unequal: No Solution No 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: 85:[26, 4], Operations: ['82-76=6', '6-2=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,85 unequal: No Solution Exploring Operation: 26*4=104, Resulting Numbers: [104] 104,85 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,85 unequal: No Solution No 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: 85:[26, 3], Operations: ['82-76=6', '6/2=3'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 26+3=29, Resulting Numbers: [29] 29,85 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: 85:[82, 76, 13], Operations: ['26/2=13'] Exploring Operation: 82-13=69, Resulting Numbers: [76, 69] Generated Node #0,1,0: 85:[76, 69] Operation: 82-13=69 Exploring Operation: 82+13=95, Resulting Numbers: [76, 95] Generated Node #0,1,1: 85:[76, 95] Operation: 82+13=95 Exploring Operation: 76-13=63, Resulting Numbers: [82, 63] Generated Node #0,1,2: 85:[82, 63] Operation: 76-13=63 Exploring Operation: 82-76=6, Resulting Numbers: [13, 6] Generated Node #0,1,3: 85:[13, 6] Operation: 82-76=6 Exploring Operation: 76+13=89, Resulting Numbers: [82, 89] Generated Node #0,1,4: 85:[82, 89] Operation: 76+13=89 Moving to Node #0,1,3 Current State: 85:[13, 6], Operations: ['26/2=13', '82-76=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,85 unequal: No Solution Moving to Node #0,1,4 Current State: 85:[82, 89], Operations: ['26/2=13', '76+13=89'] Exploring Operation: 82*89=7298, Resulting Numbers: [7298] 7298,85 unequal: No Solution Exploring Operation: 89-82=7, Resulting Numbers: [7] 7,85 unequal: No Solution Exploring Operation: 82+89=171, Resulting Numbers: [171] 171,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[76, 95], Operations: ['26/2=13', '82+13=95'] Exploring Operation: 95-76=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 76*95=7220, Resulting Numbers: [7220] 7220,85 unequal: No Solution Exploring Operation: 76+95=171, Resulting Numbers: [171] 171,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[76, 69], Operations: ['26/2=13', '82-13=69'] Exploring Operation: 76*69=5244, Resulting Numbers: [5244] 5244,85 unequal: No Solution Exploring Operation: 76-69=7, Resulting Numbers: [7] 7,85 unequal: No Solution Exploring Operation: 76+69=145, Resulting Numbers: [145] 145,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[82, 63], Operations: ['26/2=13', '76-13=63'] Exploring Operation: 82-63=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 82*63=5166, Resulting Numbers: [5166] 5166,85 unequal: No Solution Exploring Operation: 82+63=145, Resulting Numbers: [145] 145,85 unequal: No Solution No 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: 85:[82, 76, 24], Operations: ['26-2=24'] Exploring Operation: 82-76=6, Resulting Numbers: [24, 6] Generated Node #0,0,0: 85:[24, 6] Operation: 82-76=6 Exploring Operation: 82-24=58, Resulting Numbers: [76, 58] Generated Node #0,0,1: 85:[76, 58] Operation: 82-24=58 Exploring Operation: 76+24=100, Resulting Numbers: [82, 100] Generated Node #0,0,2: 85:[82, 100] Operation: 76+24=100 Exploring Operation: 76-24=52, Resulting Numbers: [82, 52] Generated Node #0,0,3: 85:[82, 52] Operation: 76-24=52 Exploring Operation: 82+24=106, Resulting Numbers: [76, 106] Generated Node #0,0,4: 85:[76, 106] Operation: 82+24=106 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[24, 6], Operations: ['26-2=24', '82-76=6'] Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,85 unequal: No Solution Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,85 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,85 unequal: No Solution No 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: 85:[82, 100], Operations: ['26-2=24', '76+24=100'] Exploring Operation: 82+100=182, Resulting Numbers: [182] 182,85 unequal: No Solution Exploring Operation: 100-82=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 82*100=8200, Resulting Numbers: [8200] 8200,85 unequal: No Solution No 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: 85:[76, 106], Operations: ['26-2=24', '82+24=106'] Exploring Operation: 76*106=8056, Resulting Numbers: [8056] 8056,85 unequal: No Solution Exploring Operation: 106-76=30, Resulting Numbers: [30] 30,85 unequal: No Solution Exploring Operation: 76+106=182, Resulting Numbers: [182] 182,85 unequal: No Solution No 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: 85:[76, 58], Operations: ['26-2=24', '82-24=58'] Exploring Operation: 76-58=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 76*58=4408, Resulting Numbers: [4408] 4408,85 unequal: No Solution Exploring Operation: 76+58=134, Resulting Numbers: [134] 134,85 unequal: No Solution No 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: 85:[82, 52], Operations: ['26-2=24', '76-24=52'] Exploring Operation: 82+52=134, Resulting Numbers: [134] 134,85 unequal: No Solution Exploring Operation: 82*52=4264, Resulting Numbers: [4264] 4264,85 unequal: No Solution Exploring Operation: 82-52=30, Resulting Numbers: [30] 30,85 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: 85:[26, 76, 84], Operations: ['82+2=84'] Exploring Operation: 26+84=110, Resulting Numbers: [76, 110] Generated Node #0,2,0: 85:[76, 110] Operation: 26+84=110 Exploring Operation: 76-26=50, Resulting Numbers: [84, 50] Generated Node #0,2,1: 85:[84, 50] Operation: 76-26=50 Exploring Operation: 26+76=102, Resulting Numbers: [84, 102] Generated Node #0,2,2: 85:[84, 102] Operation: 26+76=102 Exploring Operation: 84-76=8, Resulting Numbers: [26, 8] Generated Node #0,2,3: 85:[26, 8] Operation: 84-76=8 Exploring Operation: 84-26=58, Resulting Numbers: [76, 58] Generated Node #0,2,4: 85:[76, 58] Operation: 84-26=58 Moving to Node #0,2,3 Current State: 85:[26, 8], Operations: ['82+2=84', '84-76=8'] Exploring Operation: 26*8=208, Resulting Numbers: [208] 208,85 unequal: No Solution Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[84, 102], Operations: ['82+2=84', '26+76=102'] Exploring Operation: 84+102=186, Resulting Numbers: [186] 186,85 unequal: No Solution Exploring Operation: 102-84=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 84*102=8568, Resulting Numbers: [8568] 8568,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[76, 110], Operations: ['82+2=84', '26+84=110'] Exploring Operation: 76+110=186, Resulting Numbers: [186] 186,85 unequal: No Solution Exploring Operation: 76*110=8360, Resulting Numbers: [8360] 8360,85 unequal: No Solution Exploring Operation: 110-76=34, Resulting Numbers: [34] 34,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[84, 50], Operations: ['82+2=84', '76-26=50'] Exploring Operation: 84*50=4200, Resulting Numbers: [4200] 4200,85 unequal: No Solution Exploring Operation: 84+50=134, Resulting Numbers: [134] 134,85 unequal: No Solution Exploring Operation: 84-50=34, Resulting Numbers: [34] 34,85 unequal: No Solution Moving to Node #0,2,4 Current State: 85:[76, 58], Operations: ['82+2=84', '84-26=58'] Exploring Operation: 76*58=4408, Resulting Numbers: [4408] 4408,85 unequal: No Solution Exploring Operation: 76-58=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 76+58=134, Resulting Numbers: [134] 134,85 unequal: No Solution No 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: 85:[82, 26, 78], Operations: ['76+2=78'] Exploring Operation: 82-26=56, Resulting Numbers: [78, 56] Generated Node #0,3,0: 85:[78, 56] Operation: 82-26=56 Exploring Operation: 78/26=3, Resulting Numbers: [82, 3] Generated Node #0,3,1: 85:[82, 3] Operation: 78/26=3 Exploring Operation: 82+26=108, Resulting Numbers: [78, 108] Generated Node #0,3,2: 85:[78, 108] Operation: 82+26=108 Exploring Operation: 82-78=4, Resulting Numbers: [26, 4] Generated Node #0,3,3: 85:[26, 4] Operation: 82-78=4 Exploring Operation: 26+78=104, Resulting Numbers: [82, 104] Generated Node #0,3,4: 85:[82, 104] Operation: 26+78=104 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 85:[82, 3], Operations: ['76+2=78', '78/26=3'] Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[82, 26, 76, 2], Operations: [] Exploring Operation: 76+2=78, Resulting Numbers: [82, 26, 78] Generated Node #0,3: 85:[82, 26, 78] Operation: 76+2=78 Moving to Node #0,3 Current State: 85:[82, 26, 78], Operations: ['76+2=78'] Exploring Operation: 78/26=3, Resulting Numbers: [82, 3] Generated Node #0,3,1: 85:[82, 3] Operation: 78/26=3 Moving to Node #0,3,1 Current State: 85:[82, 3], Operations: ['76+2=78', '78/26=3'] Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.914931
hs_5
sum_heuristic
[ 94, 12, 87, 39 ]
20
[ "94+12=106", "87+39=126", "126-106=20" ]
Current State: 20:[94, 12, 87, 39], Operations: [] Exploring Operation: 94+12=106, Resulting Numbers: [87, 39, 106] Generated Node #2: [87, 39, 106] from Operation: 94+12=106 Current State: 20:[87, 39, 106], Operations: ['94+12=106'] Exploring Operation: 87+39=126, Resulting Numbers: [106, 126] Generated Node #3: [106, 126] from Operation: 87+39=126 Current State: 20:[106, 126], Operations: ['94+12=106', '87+39=126'] Exploring Operation: 126-106=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[94, 12, 87, 39], Operations: [] Exploring Operation: 94-39=55, Resulting Numbers: [12, 87, 55] Generated Node #0,0: 20:[12, 87, 55] Operation: 94-39=55 Exploring Operation: 94-87=7, Resulting Numbers: [12, 39, 7] Generated Node #0,1: 20:[12, 39, 7] Operation: 94-87=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[12, 39, 7], Operations: ['94-87=7'] Exploring Operation: 39-12=27, Resulting Numbers: [7, 27] Generated Node #0,1,0: 20:[7, 27] Operation: 39-12=27 Exploring Operation: 39-7=32, Resulting Numbers: [12, 32] Generated Node #0,1,1: 20:[12, 32] Operation: 39-7=32 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[7, 27], Operations: ['94-87=7', '39-12=27'] Exploring Operation: 7+27=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[94, 12, 87, 39], Operations: [] Exploring Operation: 94-87=7, Resulting Numbers: [12, 39, 7] Generated Node #0,1: 20:[12, 39, 7] Operation: 94-87=7 Moving to Node #0,1 Current State: 20:[12, 39, 7], Operations: ['94-87=7'] Exploring Operation: 39-12=27, Resulting Numbers: [7, 27] Generated Node #0,1,0: 20:[7, 27] Operation: 39-12=27 Moving to Node #0,1,0 Current State: 20:[7, 27], Operations: ['94-87=7', '39-12=27'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 67, 76, 93, 14 ]
36
[ "67+76=143", "93+14=107", "143-107=36" ]
Current State: 36:[67, 76, 93, 14], Operations: [] Exploring Operation: 67+76=143, Resulting Numbers: [93, 14, 143] Generated Node #2: [93, 14, 143] from Operation: 67+76=143 Current State: 36:[93, 14, 143], Operations: ['67+76=143'] Exploring Operation: 93+14=107, Resulting Numbers: [143, 107] Generated Node #3: [143, 107] from Operation: 93+14=107 Current State: 36:[143, 107], Operations: ['67+76=143', '93+14=107'] Exploring Operation: 143-107=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[67, 76, 93, 14], Operations: [] Exploring Operation: 93-76=17, Resulting Numbers: [67, 14, 17] Generated Node #0,0: 36:[67, 14, 17] Operation: 93-76=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[67, 14, 17], Operations: ['93-76=17'] Exploring Operation: 67-17=50, Resulting Numbers: [14, 50] Generated Node #0,0,0: 36:[14, 50] Operation: 67-17=50 Moving to Node #0,0,0 Current State: 36:[14, 50], Operations: ['93-76=17', '67-17=50'] Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[67, 76, 93, 14], Operations: [] Exploring Operation: 93-76=17, Resulting Numbers: [67, 14, 17] Generated Node #0,0: 36:[67, 14, 17] Operation: 93-76=17 Moving to Node #0,0 Current State: 36:[67, 14, 17], Operations: ['93-76=17'] Exploring Operation: 67-17=50, Resulting Numbers: [14, 50] Generated Node #0,0,0: 36:[14, 50] Operation: 67-17=50 Moving to Node #0,0,0 Current State: 36:[14, 50], Operations: ['93-76=17', '67-17=50'] Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 26, 54, 55, 69 ]
42
[ "54-26=28", "69-55=14", "28+14=42" ]
Current State: 42:[26, 54, 55, 69], Operations: [] Exploring Operation: 54-26=28, Resulting Numbers: [55, 69, 28] Generated Node #2: [55, 69, 28] from Operation: 54-26=28 Current State: 42:[55, 69, 28], Operations: ['54-26=28'] Exploring Operation: 69-55=14, Resulting Numbers: [28, 14] Generated Node #3: [28, 14] from Operation: 69-55=14 Current State: 42:[28, 14], Operations: ['54-26=28', '69-55=14'] Exploring Operation: 28+14=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[26, 54, 55, 69], Operations: [] Exploring Operation: 69-55=14, Resulting Numbers: [26, 54, 14] Generated Node #0,0: 42:[26, 54, 14] Operation: 69-55=14 Moving to Node #0,0 Current State: 42:[26, 54, 14], Operations: ['69-55=14'] Exploring Operation: 54-26=28, Resulting Numbers: [14, 28] Generated Node #0,0,0: 42:[14, 28] Operation: 54-26=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[14, 28], Operations: ['69-55=14', '54-26=28'] Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[26, 54, 55, 69], Operations: [] Exploring Operation: 69-55=14, Resulting Numbers: [26, 54, 14] Generated Node #0,0: 42:[26, 54, 14] Operation: 69-55=14 Moving to Node #0,0 Current State: 42:[26, 54, 14], Operations: ['69-55=14'] Exploring Operation: 54-26=28, Resulting Numbers: [14, 28] Generated Node #0,0,0: 42:[14, 28] Operation: 54-26=28 Moving to Node #0,0,0 Current State: 42:[14, 28], Operations: ['69-55=14', '54-26=28'] Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 42, 49, 87, 55 ]
80
[ "55-49=6", "42/6=7", "87-7=80" ]
Current State: 80:[42, 49, 87, 55], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [42, 87, 6] Generated Node #2: [42, 87, 6] from Operation: 55-49=6 Current State: 80:[42, 87, 6], Operations: ['55-49=6'] Exploring Operation: 42/6=7, Resulting Numbers: [87, 7] Generated Node #3: [87, 7] from Operation: 42/6=7 Current State: 80:[87, 7], Operations: ['55-49=6', '42/6=7'] Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[42, 49, 87, 55], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [42, 87, 6] Generated Node #0,0: 80:[42, 87, 6] Operation: 55-49=6 Moving to Node #0,0 Current State: 80:[42, 87, 6], Operations: ['55-49=6'] Exploring Operation: 87-6=81, Resulting Numbers: [42, 81] Generated Node #0,0,0: 80:[42, 81] Operation: 87-6=81 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[42, 81], Operations: ['55-49=6', '87-6=81'] Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 62, 93, 89, 91 ]
31
[ "62*91=5642", "93+89=182", "5642/182=31" ]
Current State: 31:[62, 93, 89, 91], Operations: [] Exploring Operation: 62*91=5642, Resulting Numbers: [93, 89, 5642] Generated Node #2: [93, 89, 5642] from Operation: 62*91=5642 Current State: 31:[93, 89, 5642], Operations: ['62*91=5642'] Exploring Operation: 93+89=182, Resulting Numbers: [5642, 182] Generated Node #3: [5642, 182] from Operation: 93+89=182 Current State: 31:[5642, 182], Operations: ['62*91=5642', '93+89=182'] Exploring Operation: 5642/182=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[62, 93, 89, 91], Operations: [] Exploring Operation: 91-62=29, Resulting Numbers: [93, 89, 29] Generated Node #0,0: 31:[93, 89, 29] Operation: 91-62=29 Exploring Operation: 93-62=31, Resulting Numbers: [89, 91, 31] Generated Node #0,1: 31:[89, 91, 31] Operation: 93-62=31 Exploring Operation: 93-89=4, Resulting Numbers: [62, 91, 4] Generated Node #0,2: 31:[62, 91, 4] Operation: 93-89=4 Exploring Operation: 93-91=2, Resulting Numbers: [62, 89, 2] Generated Node #0,3: 31:[62, 89, 2] Operation: 93-91=2 Exploring Operation: 91-89=2, Resulting Numbers: [62, 93, 2] Generated Node #0,4: 31:[62, 93, 2] Operation: 91-89=2 Moving to Node #0,1 Current State: 31:[89, 91, 31], Operations: ['93-62=31'] Exploring Operation: 89-31=58, Resulting Numbers: [91, 58] Generated Node #0,1,0: 31:[91, 58] Operation: 89-31=58 Exploring Operation: 89+91=180, Resulting Numbers: [31, 180] Generated Node #0,1,1: 31:[31, 180] Operation: 89+91=180 Exploring Operation: 91-31=60, Resulting Numbers: [89, 60] Generated Node #0,1,2: 31:[89, 60] Operation: 91-31=60 Exploring Operation: 89+31=120, Resulting Numbers: [91, 120] Generated Node #0,1,3: 31:[91, 120] Operation: 89+31=120 Exploring Operation: 91-89=2, Resulting Numbers: [31, 2] Generated Node #0,1,4: 31:[31, 2] Operation: 91-89=2 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 31:[31, 2], Operations: ['93-62=31', '91-89=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,31 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,31 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:[91, 58], Operations: ['93-62=31', '89-31=58'] Exploring Operation: 91+58=149, Resulting Numbers: [149] 149,31 unequal: No Solution Exploring Operation: 91*58=5278, Resulting Numbers: [5278] 5278,31 unequal: No Solution Exploring Operation: 91-58=33, Resulting Numbers: [33] 33,31 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:[89, 60], Operations: ['93-62=31', '91-31=60'] Exploring Operation: 89*60=5340, Resulting Numbers: [5340] 5340,31 unequal: No Solution Exploring Operation: 89-60=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 89+60=149, Resulting Numbers: [149] 149,31 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:[31, 180], Operations: ['93-62=31', '89+91=180'] Exploring Operation: 31*180=5580, Resulting Numbers: [5580] 5580,31 unequal: No Solution Exploring Operation: 180-31=149, Resulting Numbers: [149] 149,31 unequal: No Solution Exploring Operation: 31+180=211, Resulting Numbers: [211] 211,31 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 #0,1,3 Current State: 31:[91, 120], Operations: ['93-62=31', '89+31=120'] Exploring Operation: 120-91=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 91+120=211, Resulting Numbers: [211] 211,31 unequal: No Solution Exploring Operation: 91*120=10920, Resulting Numbers: [10920] 10920,31 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:[62, 89, 2], Operations: ['93-91=2'] Exploring Operation: 89-2=87, Resulting Numbers: [62, 87] Generated Node #0,3,0: 31:[62, 87] Operation: 89-2=87 Exploring Operation: 89-62=27, Resulting Numbers: [2, 27] Generated Node #0,3,1: 31:[2, 27] Operation: 89-62=27 Exploring Operation: 62-2=60, Resulting Numbers: [89, 60] Generated Node #0,3,2: 31:[89, 60] Operation: 62-2=60 Exploring Operation: 62+2=64, Resulting Numbers: [89, 64] Generated Node #0,3,3: 31:[89, 64] Operation: 62+2=64 Exploring Operation: 62/2=31, Resulting Numbers: [89, 31] Generated Node #0,3,4: 31:[89, 31] Operation: 62/2=31 Moving to Node #0,2 Current State: 31:[62, 91, 4], Operations: ['93-89=4'] Exploring Operation: 91-4=87, Resulting Numbers: [62, 87] Generated Node #0,2,0: 31:[62, 87] Operation: 91-4=87 Exploring Operation: 91+4=95, Resulting Numbers: [62, 95] Generated Node #0,2,1: 31:[62, 95] Operation: 91+4=95 Exploring Operation: 91-62=29, Resulting Numbers: [4, 29] Generated Node #0,2,2: 31:[4, 29] Operation: 91-62=29 Exploring Operation: 62-4=58, Resulting Numbers: [91, 58] Generated Node #0,2,3: 31:[91, 58] Operation: 62-4=58 Exploring Operation: 62+4=66, Resulting Numbers: [91, 66] Generated Node #0,2,4: 31:[91, 66] Operation: 62+4=66 Moving to Node #0,0 Current State: 31:[93, 89, 29], Operations: ['91-62=29'] Exploring Operation: 89+29=118, Resulting Numbers: [93, 118] Generated Node #0,0,0: 31:[93, 118] Operation: 89+29=118 Exploring Operation: 93-29=64, Resulting Numbers: [89, 64] Generated Node #0,0,1: 31:[89, 64] Operation: 93-29=64 Exploring Operation: 89-29=60, Resulting Numbers: [93, 60] Generated Node #0,0,2: 31:[93, 60] Operation: 89-29=60 Exploring Operation: 93-89=4, Resulting Numbers: [29, 4] Generated Node #0,0,3: 31:[29, 4] Operation: 93-89=4 Exploring Operation: 93+29=122, Resulting Numbers: [89, 122] Generated Node #0,0,4: 31:[89, 122] Operation: 93+29=122 Moving to Node #0,4 Current State: 31:[62, 93, 2], Operations: ['91-89=2'] Exploring Operation: 93-62=31, Resulting Numbers: [2, 31] Generated Node #0,4,0: 31:[2, 31] Operation: 93-62=31 Exploring Operation: 62/2=31, Resulting Numbers: [93, 31] Generated Node #0,4,1: 31:[93, 31] Operation: 62/2=31 Exploring Operation: 62-2=60, Resulting Numbers: [93, 60] Generated Node #0,4,2: 31:[93, 60] Operation: 62-2=60 Exploring Operation: 93-2=91, Resulting Numbers: [62, 91] Generated Node #0,4,3: 31:[62, 91] Operation: 93-2=91 Exploring Operation: 62+2=64, Resulting Numbers: [93, 64] Generated Node #0,4,4: 31:[93, 64] Operation: 62+2=64 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 31:[2, 31], Operations: ['91-89=2', '93-62=31'] Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 2*31=62, Resulting Numbers: [62] 62,31 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,31 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 #0,4,1 Current State: 31:[93, 31], Operations: ['91-89=2', '62/2=31'] Exploring Operation: 93-31=62, Resulting Numbers: [62] 62,31 unequal: No Solution Exploring Operation: 93+31=124, Resulting Numbers: [124] 124,31 unequal: No Solution Exploring Operation: 93/31=3, Resulting Numbers: [3] 3,31 unequal: No Solution Exploring Operation: 93*31=2883, Resulting Numbers: [2883] 2883,31 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 #0,4,2 Current State: 31:[93, 60], Operations: ['91-89=2', '62-2=60'] Exploring Operation: 93+60=153, Resulting Numbers: [153] 153,31 unequal: No Solution Exploring Operation: 93-60=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 93*60=5580, Resulting Numbers: [5580] 5580,31 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 #0,4,3 Current State: 31:[62, 91], Operations: ['91-89=2', '93-2=91'] Exploring Operation: 91-62=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 62*91=5642, Resulting Numbers: [5642] 5642,31 unequal: No Solution Exploring Operation: 62+91=153, Resulting Numbers: [153] 153,31 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 #0,4,4 Current State: 31:[93, 64], Operations: ['91-89=2', '62+2=64'] Exploring Operation: 93+64=157, Resulting Numbers: [157] 157,31 unequal: No Solution Exploring Operation: 93*64=5952, Resulting Numbers: [5952] 5952,31 unequal: No Solution Exploring Operation: 93-64=29, Resulting Numbers: [29] 29,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 31:[4, 29], Operations: ['93-89=4', '91-62=29'] Exploring Operation: 4*29=116, Resulting Numbers: [116] 116,31 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,31 unequal: No Solution Moving to Node #0,0,3 Current State: 31:[29, 4], Operations: ['91-62=29', '93-89=4'] Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,31 unequal: No Solution Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[2, 27], Operations: ['93-91=2', '89-62=27'] Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,31 unequal: No Solution Moving to Node #0,3,4 Current State: 31:[89, 31], Operations: ['93-91=2', '62/2=31'] Exploring Operation: 89+31=120, Resulting Numbers: [120] 120,31 unequal: No Solution Exploring Operation: 89*31=2759, Resulting Numbers: [2759] 2759,31 unequal: No Solution Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[62, 87], Operations: ['93-89=4', '91-4=87'] Exploring Operation: 62*87=5394, Resulting Numbers: [5394] 5394,31 unequal: No Solution Exploring Operation: 87-62=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 62+87=149, Resulting Numbers: [149] 149,31 unequal: No Solution Moving to Node #0,3,0 Current State: 31:[62, 87], Operations: ['93-91=2', '89-2=87'] Exploring Operation: 87-62=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 62*87=5394, Resulting Numbers: [5394] 5394,31 unequal: No Solution Exploring Operation: 62+87=149, Resulting Numbers: [149] 149,31 unequal: No Solution Moving to Node #0,3,2 Current State: 31:[89, 60], Operations: ['93-91=2', '62-2=60'] Exploring Operation: 89*60=5340, Resulting Numbers: [5340] 5340,31 unequal: No Solution Exploring Operation: 89+60=149, Resulting Numbers: [149] 149,31 unequal: No Solution Exploring Operation: 89-60=29, Resulting Numbers: [29] 29,31 unequal: No Solution Moving to Node #0,2,3 Current State: 31:[91, 58], Operations: ['93-89=4', '62-4=58'] Exploring Operation: 91-58=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 91*58=5278, Resulting Numbers: [5278] 5278,31 unequal: No Solution Exploring Operation: 91+58=149, Resulting Numbers: [149] 149,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[89, 64], Operations: ['91-62=29', '93-29=64'] Exploring Operation: 89-64=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 89+64=153, Resulting Numbers: [153] 153,31 unequal: No Solution Exploring Operation: 89*64=5696, Resulting Numbers: [5696] 5696,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[89, 64], Operations: ['93-91=2', '62+2=64'] Exploring Operation: 89-64=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 89+64=153, Resulting Numbers: [153] 153,31 unequal: No Solution Exploring Operation: 89*64=5696, Resulting Numbers: [5696] 5696,31 unequal: No Solution Moving to Node #0,0,2 Current State: 31:[93, 60], Operations: ['91-62=29', '89-29=60'] Exploring Operation: 93*60=5580, Resulting Numbers: [5580] 5580,31 unequal: No Solution Exploring Operation: 93-60=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 93+60=153, Resulting Numbers: [153] 153,31 unequal: No Solution Moving to Node #0,2,4 Current State: 31:[91, 66], Operations: ['93-89=4', '62+4=66'] Exploring Operation: 91*66=6006, Resulting Numbers: [6006] 6006,31 unequal: No Solution Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 91+66=157, Resulting Numbers: [157] 157,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[62, 95], Operations: ['93-89=4', '91+4=95'] Exploring Operation: 62*95=5890, Resulting Numbers: [5890] 5890,31 unequal: No Solution Exploring Operation: 95-62=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 62+95=157, Resulting Numbers: [157] 157,31 unequal: No Solution Moving to Node #0,0,0 Current State: 31:[93, 118], Operations: ['91-62=29', '89+29=118'] Exploring Operation: 118-93=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 93+118=211, Resulting Numbers: [211] 211,31 unequal: No Solution Exploring Operation: 93*118=10974, Resulting Numbers: [10974] 10974,31 unequal: No Solution Moving to Node #0,0,4 Current State: 31:[89, 122], Operations: ['91-62=29', '93+29=122'] Exploring Operation: 89+122=211, Resulting Numbers: [211] 211,31 unequal: No Solution Exploring Operation: 122-89=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 89*122=10858, Resulting Numbers: [10858] 10858,31 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 85, 53, 78, 76 ]
30
[ "85-53=32", "78-76=2", "32-2=30" ]
Current State: 30:[85, 53, 78, 76], Operations: [] Exploring Operation: 85-53=32, Resulting Numbers: [78, 76, 32] Generated Node #2: [78, 76, 32] from Operation: 85-53=32 Current State: 30:[78, 76, 32], Operations: ['85-53=32'] Exploring Operation: 78-76=2, Resulting Numbers: [32, 2] Generated Node #3: [32, 2] from Operation: 78-76=2 Current State: 30:[32, 2], Operations: ['85-53=32', '78-76=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[85, 53, 78, 76], Operations: [] Exploring Operation: 85-76=9, Resulting Numbers: [53, 78, 9] Generated Node #0,0: 30:[53, 78, 9] Operation: 85-76=9 Exploring Operation: 78-76=2, Resulting Numbers: [85, 53, 2] Generated Node #0,1: 30:[85, 53, 2] Operation: 78-76=2 Exploring Operation: 85-78=7, Resulting Numbers: [53, 76, 7] Generated Node #0,2: 30:[53, 76, 7] Operation: 85-78=7 Exploring Operation: 85-53=32, Resulting Numbers: [78, 76, 32] Generated Node #0,3: 30:[78, 76, 32] Operation: 85-53=32 Exploring Operation: 78-53=25, Resulting Numbers: [85, 76, 25] Generated Node #0,4: 30:[85, 76, 25] Operation: 78-53=25 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[53, 76, 7], Operations: ['85-78=7'] Exploring Operation: 76-7=69, Resulting Numbers: [53, 69] Generated Node #0,2,0: 30:[53, 69] Operation: 76-7=69 Exploring Operation: 76-53=23, Resulting Numbers: [7, 23] Generated Node #0,2,1: 30:[7, 23] Operation: 76-53=23 Exploring Operation: 53-7=46, Resulting Numbers: [76, 46] Generated Node #0,2,2: 30:[76, 46] Operation: 53-7=46 Exploring Operation: 53+7=60, Resulting Numbers: [76, 60] Generated Node #0,2,3: 30:[76, 60] Operation: 53+7=60 Exploring Operation: 76+7=83, Resulting Numbers: [53, 83] Generated Node #0,2,4: 30:[53, 83] Operation: 76+7=83 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 30:[7, 23], Operations: ['85-78=7', '76-53=23'] Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[85, 53, 78, 76], Operations: [] Exploring Operation: 85-78=7, Resulting Numbers: [53, 76, 7] Generated Node #0,2: 30:[53, 76, 7] Operation: 85-78=7 Moving to Node #0,2 Current State: 30:[53, 76, 7], Operations: ['85-78=7'] Exploring Operation: 76-53=23, Resulting Numbers: [7, 23] Generated Node #0,2,1: 30:[7, 23] Operation: 76-53=23 Moving to Node #0,2,1 Current State: 30:[7, 23], Operations: ['85-78=7', '76-53=23'] Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 98, 7, 38, 42 ]
66
[ "98/7=14", "38+42=80", "80-14=66" ]
Current State: 66:[98, 7, 38, 42], Operations: [] Exploring Operation: 98/7=14, Resulting Numbers: [38, 42, 14] Generated Node #2: [38, 42, 14] from Operation: 98/7=14 Current State: 66:[38, 42, 14], Operations: ['98/7=14'] Exploring Operation: 38+42=80, Resulting Numbers: [14, 80] Generated Node #3: [14, 80] from Operation: 38+42=80 Current State: 66:[14, 80], Operations: ['98/7=14', '38+42=80'] Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[98, 7, 38, 42], Operations: [] Exploring Operation: 98-42=56, Resulting Numbers: [7, 38, 56] Generated Node #0,0: 66:[7, 38, 56] Operation: 98-42=56 Exploring Operation: 42-38=4, Resulting Numbers: [98, 7, 4] Generated Node #0,1: 66:[98, 7, 4] Operation: 42-38=4 Exploring Operation: 98/7=14, Resulting Numbers: [38, 42, 14] Generated Node #0,2: 66:[38, 42, 14] Operation: 98/7=14 Exploring Operation: 98-38=60, Resulting Numbers: [7, 42, 60] Generated Node #0,3: 66:[7, 42, 60] Operation: 98-38=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[7, 38, 56], Operations: ['98-42=56'] Exploring Operation: 56/7=8, Resulting Numbers: [38, 8] Generated Node #0,0,0: 66:[38, 8] Operation: 56/7=8 Exploring Operation: 56-38=18, Resulting Numbers: [7, 18] Generated Node #0,0,1: 66:[7, 18] Operation: 56-38=18 Exploring Operation: 38-7=31, Resulting Numbers: [56, 31] Generated Node #0,0,2: 66:[56, 31] Operation: 38-7=31 Exploring Operation: 7+56=63, Resulting Numbers: [38, 63] Generated Node #0,0,3: 66:[38, 63] Operation: 7+56=63 Moving to Node #0,0,1 Current State: 66:[7, 18], Operations: ['98-42=56', '56-38=18'] Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,66 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[38, 8], Operations: ['98-42=56', '56/7=8'] Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,66 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[38, 63], Operations: ['98-42=56', '7+56=63'] Exploring Operation: 38+63=101, Resulting Numbers: [101] 101,66 unequal: No Solution Exploring Operation: 63-38=25, Resulting Numbers: [25] 25,66 unequal: No Solution Exploring Operation: 38*63=2394, Resulting Numbers: [2394] 2394,66 unequal: No Solution Moving to Node #0,0,2 Current State: 66:[56, 31], Operations: ['98-42=56', '38-7=31'] Exploring Operation: 56*31=1736, Resulting Numbers: [1736] 1736,66 unequal: No Solution Exploring Operation: 56+31=87, Resulting Numbers: [87] 87,66 unequal: No Solution Exploring Operation: 56-31=25, Resulting Numbers: [25] 25,66 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 #0,3 Current State: 66:[7, 42, 60], Operations: ['98-38=60'] Exploring Operation: 42/7=6, Resulting Numbers: [60, 6] Generated Node #0,3,0: 66:[60, 6] Operation: 42/7=6 Exploring Operation: 60-42=18, Resulting Numbers: [7, 18] Generated Node #0,3,1: 66:[7, 18] Operation: 60-42=18 Exploring Operation: 42-7=35, Resulting Numbers: [60, 35] Generated Node #0,3,2: 66:[60, 35] Operation: 42-7=35 Exploring Operation: 7+60=67, Resulting Numbers: [42, 67] Generated Node #0,3,3: 66:[42, 67] Operation: 7+60=67 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 66:[7, 18], Operations: ['98-38=60', '60-42=18'] Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,66 unequal: No Solution Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,66 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,66 unequal: No Solution No 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: 66:[60, 6], Operations: ['98-38=60', '42/7=6'] Exploring Operation: 60*6=360, Resulting Numbers: [360] 360,66 unequal: No Solution Exploring Operation: 60+6=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[98, 7, 38, 42], Operations: [] Exploring Operation: 98-38=60, Resulting Numbers: [7, 42, 60] Generated Node #0,3: 66:[7, 42, 60] Operation: 98-38=60 Moving to Node #0,3 Current State: 66:[7, 42, 60], Operations: ['98-38=60'] Exploring Operation: 42/7=6, Resulting Numbers: [60, 6] Generated Node #0,3,0: 66:[60, 6] Operation: 42/7=6 Moving to Node #0,3,0 Current State: 66:[60, 6], Operations: ['98-38=60', '42/7=6'] Exploring Operation: 60+6=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 32, 9, 20, 78 ]
81
[ "32-9=23", "78-20=58", "23+58=81" ]
Current State: 81:[32, 9, 20, 78], Operations: [] Exploring Operation: 32-9=23, Resulting Numbers: [20, 78, 23] Generated Node #2: [20, 78, 23] from Operation: 32-9=23 Current State: 81:[20, 78, 23], Operations: ['32-9=23'] Exploring Operation: 78-20=58, Resulting Numbers: [23, 58] Generated Node #3: [23, 58] from Operation: 78-20=58 Current State: 81:[23, 58], Operations: ['32-9=23', '78-20=58'] Exploring Operation: 23+58=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[32, 9, 20, 78], Operations: [] Exploring Operation: 9+20=29, Resulting Numbers: [32, 78, 29] Generated Node #0,0: 81:[32, 78, 29] Operation: 9+20=29 Exploring Operation: 32-20=12, Resulting Numbers: [9, 78, 12] Generated Node #0,1: 81:[9, 78, 12] Operation: 32-20=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[9, 78, 12], Operations: ['32-20=12'] Exploring Operation: 9+78=87, Resulting Numbers: [12, 87] Generated Node #0,1,0: 81:[12, 87] Operation: 9+78=87 Exploring Operation: 12-9=3, Resulting Numbers: [78, 3] Generated Node #0,1,1: 81:[78, 3] Operation: 12-9=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[78, 3], Operations: ['32-20=12', '12-9=3'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,81 unequal: No Solution Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[32, 9, 20, 78], Operations: [] Exploring Operation: 32-20=12, Resulting Numbers: [9, 78, 12] Generated Node #0,1: 81:[9, 78, 12] Operation: 32-20=12 Moving to Node #0,1 Current State: 81:[9, 78, 12], Operations: ['32-20=12'] Exploring Operation: 12-9=3, Resulting Numbers: [78, 3] Generated Node #0,1,1: 81:[78, 3] Operation: 12-9=3 Moving to Node #0,1,1 Current State: 81:[78, 3], Operations: ['32-20=12', '12-9=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 46, 63, 95, 97 ]
83
[ "46+63=109", "95+97=192", "192-109=83" ]
Current State: 83:[46, 63, 95, 97], Operations: [] Exploring Operation: 46+63=109, Resulting Numbers: [95, 97, 109] Generated Node #2: [95, 97, 109] from Operation: 46+63=109 Current State: 83:[95, 97, 109], Operations: ['46+63=109'] Exploring Operation: 95+97=192, Resulting Numbers: [109, 192] Generated Node #3: [109, 192] from Operation: 95+97=192 Current State: 83:[109, 192], Operations: ['46+63=109', '95+97=192'] Exploring Operation: 192-109=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[46, 63, 95, 97], Operations: [] Exploring Operation: 46+63=109, Resulting Numbers: [95, 97, 109] Generated Node #0,0: 83:[95, 97, 109] Operation: 46+63=109 Exploring Operation: 97-46=51, Resulting Numbers: [63, 95, 51] Generated Node #0,1: 83:[63, 95, 51] Operation: 97-46=51 Moving to Node #0,0 Current State: 83:[95, 97, 109], Operations: ['46+63=109'] Exploring Operation: 109-97=12, Resulting Numbers: [95, 12] Generated Node #0,0,0: 83:[95, 12] Operation: 109-97=12 Exploring Operation: 109-95=14, Resulting Numbers: [97, 14] Generated Node #0,0,1: 83:[97, 14] Operation: 109-95=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[95, 12], Operations: ['46+63=109', '109-97=12'] Exploring Operation: 95+12=107, Resulting Numbers: [107] 107,83 unequal: No Solution Exploring Operation: 95-12=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[46, 63, 95, 97], Operations: [] Exploring Operation: 46+63=109, Resulting Numbers: [95, 97, 109] Generated Node #0,0: 83:[95, 97, 109] Operation: 46+63=109 Moving to Node #0,0 Current State: 83:[95, 97, 109], Operations: ['46+63=109'] Exploring Operation: 109-97=12, Resulting Numbers: [95, 12] Generated Node #0,0,0: 83:[95, 12] Operation: 109-97=12 Moving to Node #0,0,0 Current State: 83:[95, 12], Operations: ['46+63=109', '109-97=12'] Exploring Operation: 95-12=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 49, 70, 63, 18 ]
25
[ "70-63=7", "49/7=7", "18+7=25" ]
Current State: 25:[49, 70, 63, 18], Operations: [] Exploring Operation: 70-63=7, Resulting Numbers: [49, 18, 7] Generated Node #2: [49, 18, 7] from Operation: 70-63=7 Current State: 25:[49, 18, 7], Operations: ['70-63=7'] Exploring Operation: 49/7=7, Resulting Numbers: [18, 7] Generated Node #3: [18, 7] from Operation: 49/7=7 Current State: 25:[18, 7], Operations: ['70-63=7', '49/7=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[49, 70, 63, 18], Operations: [] Exploring Operation: 63-49=14, Resulting Numbers: [70, 18, 14] Generated Node #0,0: 25:[70, 18, 14] Operation: 63-49=14 Exploring Operation: 70-63=7, Resulting Numbers: [49, 18, 7] Generated Node #0,1: 25:[49, 18, 7] Operation: 70-63=7 Exploring Operation: 70-49=21, Resulting Numbers: [63, 18, 21] Generated Node #0,2: 25:[63, 18, 21] Operation: 70-49=21 Exploring Operation: 70-18=52, Resulting Numbers: [49, 63, 52] Generated Node #0,3: 25:[49, 63, 52] Operation: 70-18=52 Exploring Operation: 49-18=31, Resulting Numbers: [70, 63, 31] Generated Node #0,4: 25:[70, 63, 31] Operation: 49-18=31 Moving to Node #0,1 Current State: 25:[49, 18, 7], Operations: ['70-63=7'] Exploring Operation: 49-7=42, Resulting Numbers: [18, 42] Generated Node #0,1,0: 25:[18, 42] Operation: 49-7=42 Exploring Operation: 18+7=25, Resulting Numbers: [49, 25] Generated Node #0,1,1: 25:[49, 25] Operation: 18+7=25 Exploring Operation: 49-18=31, Resulting Numbers: [7, 31] Generated Node #0,1,2: 25:[7, 31] Operation: 49-18=31 Exploring Operation: 49/7=7, Resulting Numbers: [18, 7] Generated Node #0,1,3: 25:[18, 7] Operation: 49/7=7 Exploring Operation: 18-7=11, Resulting Numbers: [49, 11] Generated Node #0,1,4: 25:[49, 11] Operation: 18-7=11 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 25:[7, 31], Operations: ['70-63=7', '49-18=31'] Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 7*31=217, Resulting Numbers: [217] 217,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 25:[18, 7], Operations: ['70-63=7', '49/7=7'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,25 unequal: No Solution Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[49, 70, 63, 18], Operations: [] Exploring Operation: 70-63=7, Resulting Numbers: [49, 18, 7] Generated Node #0,1: 25:[49, 18, 7] Operation: 70-63=7 Moving to Node #0,1 Current State: 25:[49, 18, 7], Operations: ['70-63=7'] Exploring Operation: 49/7=7, Resulting Numbers: [18, 7] Generated Node #0,1,3: 25:[18, 7] Operation: 49/7=7 Moving to Node #0,1,3 Current State: 25:[18, 7], Operations: ['70-63=7', '49/7=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 49, 11, 13, 6 ]
19
[ "49-11=38", "13+6=19", "38-19=19" ]
Current State: 19:[49, 11, 13, 6], Operations: [] Exploring Operation: 49-11=38, Resulting Numbers: [13, 6, 38] Generated Node #2: [13, 6, 38] from Operation: 49-11=38 Current State: 19:[13, 6, 38], Operations: ['49-11=38'] Exploring Operation: 13+6=19, Resulting Numbers: [38, 19] Generated Node #3: [38, 19] from Operation: 13+6=19 Current State: 19:[38, 19], Operations: ['49-11=38', '13+6=19'] Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[49, 11, 13, 6], Operations: [] Exploring Operation: 49-11=38, Resulting Numbers: [13, 6, 38] Generated Node #0,0: 19:[13, 6, 38] Operation: 49-11=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[13, 6, 38], Operations: ['49-11=38'] Exploring Operation: 13+6=19, Resulting Numbers: [38, 19] Generated Node #0,0,0: 19:[38, 19] Operation: 13+6=19 Moving to Node #0,0,0 Current State: 19:[38, 19], Operations: ['49-11=38', '13+6=19'] Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[49, 11, 13, 6], Operations: [] Exploring Operation: 49-11=38, Resulting Numbers: [13, 6, 38] Generated Node #0,0: 19:[13, 6, 38] Operation: 49-11=38 Moving to Node #0,0 Current State: 19:[13, 6, 38], Operations: ['49-11=38'] Exploring Operation: 13+6=19, Resulting Numbers: [38, 19] Generated Node #0,0,0: 19:[38, 19] Operation: 13+6=19 Moving to Node #0,0,0 Current State: 19:[38, 19], Operations: ['49-11=38', '13+6=19'] Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 6, 63, 6, 14 ]
21
[ "6*63=378", "378/14=27", "27-6=21" ]
Current State: 21:[6, 63, 6, 14], Operations: [] Exploring Operation: 6*63=378, Resulting Numbers: [14, 378] Generated Node #2: [14, 378] from Operation: 6*63=378 Current State: 21:[14, 378], Operations: ['6*63=378'] Exploring Operation: 378/14=27, Resulting Numbers: [27] 27,21 equal: Goal Reached Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[6, 63, 6, 14], Operations: [] Exploring Operation: 6+14=20, Resulting Numbers: [63, 6, 20] Generated Node #0,0: 21:[63, 6, 20] Operation: 6+14=20 Exploring Operation: 63-14=49, Resulting Numbers: [6, 6, 49] Generated Node #0,1: 21:[6, 6, 49] Operation: 63-14=49 Exploring Operation: 63-6=57, Resulting Numbers: [6, 14, 57] Generated Node #0,2: 21:[6, 14, 57] Operation: 63-6=57 Moving to Node #0,1 Current State: 21:[6, 6, 49], Operations: ['63-14=49'] Exploring Operation: 49-6=43, Resulting Numbers: [6, 43] Generated Node #0,1,0: 21:[6, 43] Operation: 49-6=43 Exploring Operation: 49-6=43, Resulting Numbers: [6, 43] Generated Node #0,1,1: 21:[6, 43] Operation: 49-6=43 Exploring Operation: 6/6=1, Resulting Numbers: [49, 1] Generated Node #0,1,2: 21:[49, 1] Operation: 6/6=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[6, 43], Operations: ['63-14=49', '49-6=43'] Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,21 unequal: No Solution Exploring Operation: 6*43=258, Resulting Numbers: [258] 258,21 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 #0,1,1 Current State: 21:[6, 43], Operations: ['63-14=49', '49-6=43'] Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 6*43=258, Resulting Numbers: [258] 258,21 unequal: No Solution Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,21 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:[49, 1], Operations: ['63-14=49', '6/6=1'] Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,21 unequal: No Solution Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,21 unequal: No Solution Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,21 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: 21:[63, 6, 20], Operations: ['6+14=20'] Exploring Operation: 6+20=26, Resulting Numbers: [63, 26] Generated Node #0,0,0: 21:[63, 26] Operation: 6+20=26 Exploring Operation: 63-6=57, Resulting Numbers: [20, 57] Generated Node #0,0,1: 21:[20, 57] Operation: 63-6=57 Exploring Operation: 63-20=43, Resulting Numbers: [6, 43] Generated Node #0,0,2: 21:[6, 43] Operation: 63-20=43 Moving to Node #0,2 Current State: 21:[6, 14, 57], Operations: ['63-6=57'] Exploring Operation: 57-14=43, Resulting Numbers: [6, 43] Generated Node #0,2,0: 21:[6, 43] Operation: 57-14=43 Exploring Operation: 14-6=8, Resulting Numbers: [57, 8] Generated Node #0,2,1: 21:[57, 8] Operation: 14-6=8 Exploring Operation: 6+14=20, Resulting Numbers: [57, 20] Generated Node #0,2,2: 21:[57, 20] Operation: 6+14=20 Moving to Node #0,0,2 Current State: 21:[6, 43], Operations: ['6+14=20', '63-20=43'] Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,21 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 6*43=258, Resulting Numbers: [258] 258,21 unequal: No Solution Moving to Node #0,2,0 Current State: 21:[6, 43], Operations: ['63-6=57', '57-14=43'] Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,21 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 6*43=258, Resulting Numbers: [258] 258,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[57, 20], Operations: ['63-6=57', '6+14=20'] Exploring Operation: 57-20=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 57*20=1140, Resulting Numbers: [1140] 1140,21 unequal: No Solution Exploring Operation: 57+20=77, Resulting Numbers: [77] 77,21 unequal: No Solution Moving to Node #0,2,1 Current State: 21:[57, 8], Operations: ['63-6=57', '14-6=8'] Exploring Operation: 57-8=49, Resulting Numbers: [49] 49,21 unequal: No Solution Exploring Operation: 57*8=456, Resulting Numbers: [456] 456,21 unequal: No Solution Exploring Operation: 57+8=65, Resulting Numbers: [65] 65,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[20, 57], Operations: ['6+14=20', '63-6=57'] Exploring Operation: 20*57=1140, Resulting Numbers: [1140] 1140,21 unequal: No Solution Exploring Operation: 57-20=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 20+57=77, Resulting Numbers: [77] 77,21 unequal: No Solution Moving to Node #0,0,0 Current State: 21:[63, 26], Operations: ['6+14=20', '6+20=26'] Exploring Operation: 63-26=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 63*26=1638, Resulting Numbers: [1638] 1638,21 unequal: No Solution Exploring Operation: 63+26=89, Resulting Numbers: [89] 89,21 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 71, 32, 1, 24 ]
63
[ "71-32=39", "1*24=24", "39+24=63" ]
Current State: 63:[71, 32, 1, 24], Operations: [] Exploring Operation: 71-32=39, Resulting Numbers: [1, 24, 39] Generated Node #2: [1, 24, 39] from Operation: 71-32=39 Current State: 63:[1, 24, 39], Operations: ['71-32=39'] Exploring Operation: 1*24=24, Resulting Numbers: [39, 24] Generated Node #3: [39, 24] from Operation: 1*24=24 Current State: 63:[39, 24], Operations: ['71-32=39', '1*24=24'] Exploring Operation: 39+24=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[71, 32, 1, 24], Operations: [] Exploring Operation: 32+24=56, Resulting Numbers: [71, 1, 56] Generated Node #0,0: 63:[71, 1, 56] Operation: 32+24=56 Exploring Operation: 32-1=31, Resulting Numbers: [71, 24, 31] Generated Node #0,1: 63:[71, 24, 31] Operation: 32-1=31 Exploring Operation: 24-1=23, Resulting Numbers: [71, 32, 23] Generated Node #0,2: 63:[71, 32, 23] Operation: 24-1=23 Exploring Operation: 71-1=70, Resulting Numbers: [32, 24, 70] Generated Node #0,3: 63:[32, 24, 70] Operation: 71-1=70 Exploring Operation: 32-24=8, Resulting Numbers: [71, 1, 8] Generated Node #0,4: 63:[71, 1, 8] Operation: 32-24=8 Moving to Node #0,4 Current State: 63:[71, 1, 8], Operations: ['32-24=8'] Exploring Operation: 71-1=70, Resulting Numbers: [8, 70] Generated Node #0,4,0: 63:[8, 70] Operation: 71-1=70 Exploring Operation: 8-1=7, Resulting Numbers: [71, 7] Generated Node #0,4,1: 63:[71, 7] Operation: 8-1=7 Exploring Operation: 71*1=71, Resulting Numbers: [8, 71] Generated Node #0,4,2: 63:[8, 71] Operation: 71*1=71 Exploring Operation: 1+8=9, Resulting Numbers: [71, 9] Generated Node #0,4,3: 63:[71, 9] Operation: 1+8=9 Exploring Operation: 71-8=63, Resulting Numbers: [1, 63] Generated Node #0,4,4: 63:[1, 63] Operation: 71-8=63 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 63:[1, 63], Operations: ['32-24=8', '71-8=63'] Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[71, 32, 1, 24], Operations: [] Exploring Operation: 32-24=8, Resulting Numbers: [71, 1, 8] Generated Node #0,4: 63:[71, 1, 8] Operation: 32-24=8 Moving to Node #0,4 Current State: 63:[71, 1, 8], Operations: ['32-24=8'] Exploring Operation: 71-8=63, Resulting Numbers: [1, 63] Generated Node #0,4,4: 63:[1, 63] Operation: 71-8=63 Moving to Node #0,4,4 Current State: 63:[1, 63], Operations: ['32-24=8', '71-8=63'] Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 50, 92, 80, 38 ]
24
[ "50+92=142", "80+38=118", "142-118=24" ]
Current State: 24:[50, 92, 80, 38], Operations: [] Exploring Operation: 50+92=142, Resulting Numbers: [80, 38, 142] Generated Node #2: [80, 38, 142] from Operation: 50+92=142 Current State: 24:[80, 38, 142], Operations: ['50+92=142'] Exploring Operation: 80+38=118, Resulting Numbers: [142, 118] Generated Node #3: [142, 118] from Operation: 80+38=118 Current State: 24:[142, 118], Operations: ['50+92=142', '80+38=118'] Exploring Operation: 142-118=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[50, 92, 80, 38], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [50, 38, 12] Generated Node #0,0: 24:[50, 38, 12] Operation: 92-80=12 Exploring Operation: 92-50=42, Resulting Numbers: [80, 38, 42] Generated Node #0,1: 24:[80, 38, 42] Operation: 92-50=42 Moving to Node #0,0 Current State: 24:[50, 38, 12], Operations: ['92-80=12'] Exploring Operation: 50-38=12, Resulting Numbers: [12, 12] Generated Node #0,0,0: 24:[12, 12] Operation: 50-38=12 Exploring Operation: 50-12=38, Resulting Numbers: [38, 38] Generated Node #0,0,1: 24:[38, 38] Operation: 50-12=38 Moving to Node #0,1 Current State: 24:[80, 38, 42], Operations: ['92-50=42'] Exploring Operation: 80-38=42, Resulting Numbers: [42, 42] Generated Node #0,1,0: 24:[42, 42] Operation: 80-38=42 Exploring Operation: 80-42=38, Resulting Numbers: [38, 38] Generated Node #0,1,1: 24:[38, 38] Operation: 80-42=38 Moving to Node #0,0,0 Current State: 24:[12, 12], Operations: ['92-80=12', '50-38=12'] Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[50, 92, 80, 38], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [50, 38, 12] Generated Node #0,0: 24:[50, 38, 12] Operation: 92-80=12 Moving to Node #0,0 Current State: 24:[50, 38, 12], Operations: ['92-80=12'] Exploring Operation: 50-38=12, Resulting Numbers: [12, 12] Generated Node #0,0,0: 24:[12, 12] Operation: 50-38=12 Moving to Node #0,0,0 Current State: 24:[12, 12], Operations: ['92-80=12', '50-38=12'] Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 16, 28, 22, 24 ]
46
[ "16+28=44", "24-22=2", "44+2=46" ]
Current State: 46:[16, 28, 22, 24], Operations: [] Exploring Operation: 16+28=44, Resulting Numbers: [22, 24, 44] Generated Node #2: [22, 24, 44] from Operation: 16+28=44 Current State: 46:[22, 24, 44], Operations: ['16+28=44'] Exploring Operation: 24-22=2, Resulting Numbers: [44, 2] Generated Node #3: [44, 2] from Operation: 24-22=2 Current State: 46:[44, 2], Operations: ['16+28=44', '24-22=2'] Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[16, 28, 22, 24], Operations: [] Exploring Operation: 28-24=4, Resulting Numbers: [16, 22, 4] Generated Node #0,0: 46:[16, 22, 4] Operation: 28-24=4 Exploring Operation: 22-16=6, Resulting Numbers: [28, 24, 6] Generated Node #0,1: 46:[28, 24, 6] Operation: 22-16=6 Exploring Operation: 28-16=12, Resulting Numbers: [22, 24, 12] Generated Node #0,2: 46:[22, 24, 12] Operation: 28-16=12 Exploring Operation: 16+28=44, Resulting Numbers: [22, 24, 44] Generated Node #0,3: 46:[22, 24, 44] Operation: 16+28=44 Moving to Node #0,3 Current State: 46:[22, 24, 44], Operations: ['16+28=44'] Exploring Operation: 44/22=2, Resulting Numbers: [24, 2] Generated Node #0,3,0: 46:[24, 2] Operation: 44/22=2 Exploring Operation: 44-22=22, Resulting Numbers: [24, 22] Generated Node #0,3,1: 46:[24, 22] Operation: 44-22=22 Exploring Operation: 22+24=46, Resulting Numbers: [44, 46] Generated Node #0,3,2: 46:[44, 46] Operation: 22+24=46 Exploring Operation: 24-22=2, Resulting Numbers: [44, 2] Generated Node #0,3,3: 46:[44, 2] Operation: 24-22=2 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 46:[24, 2], Operations: ['16+28=44', '44/22=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,46 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,46 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 46:[24, 22], Operations: ['16+28=44', '44-22=22'] Exploring Operation: 24+22=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[16, 28, 22, 24], Operations: [] Exploring Operation: 16+28=44, Resulting Numbers: [22, 24, 44] Generated Node #0,3: 46:[22, 24, 44] Operation: 16+28=44 Moving to Node #0,3 Current State: 46:[22, 24, 44], Operations: ['16+28=44'] Exploring Operation: 44-22=22, Resulting Numbers: [24, 22] Generated Node #0,3,1: 46:[24, 22] Operation: 44-22=22 Moving to Node #0,3,1 Current State: 46:[24, 22], Operations: ['16+28=44', '44-22=22'] Exploring Operation: 24+22=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 40, 22, 2, 32 ]
46
[ "40+22=62", "32/2=16", "62-16=46" ]
Current State: 46:[40, 22, 2, 32], Operations: [] Exploring Operation: 40+22=62, Resulting Numbers: [2, 32, 62] Generated Node #2: [2, 32, 62] from Operation: 40+22=62 Current State: 46:[2, 32, 62], Operations: ['40+22=62'] Exploring Operation: 32/2=16, Resulting Numbers: [62, 16] Generated Node #3: [62, 16] from Operation: 32/2=16 Current State: 46:[62, 16], Operations: ['40+22=62', '32/2=16'] Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[40, 22, 2, 32], Operations: [] Exploring Operation: 40+2=42, Resulting Numbers: [22, 32, 42] Generated Node #0,0: 46:[22, 32, 42] Operation: 40+2=42 Exploring Operation: 40-32=8, Resulting Numbers: [22, 2, 8] Generated Node #0,1: 46:[22, 2, 8] Operation: 40-32=8 Exploring Operation: 40-22=18, Resulting Numbers: [2, 32, 18] Generated Node #0,2: 46:[2, 32, 18] Operation: 40-22=18 Exploring Operation: 40/2=20, Resulting Numbers: [22, 32, 20] Generated Node #0,3: 46:[22, 32, 20] Operation: 40/2=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[22, 2, 8], Operations: ['40-32=8'] Exploring Operation: 22+8=30, Resulting Numbers: [2, 30] Generated Node #0,1,0: 46:[2, 30] Operation: 22+8=30 Exploring Operation: 8/2=4, Resulting Numbers: [22, 4] Generated Node #0,1,1: 46:[22, 4] Operation: 8/2=4 Exploring Operation: 8-2=6, Resulting Numbers: [22, 6] Generated Node #0,1,2: 46:[22, 6] Operation: 8-2=6 Exploring Operation: 22+2=24, Resulting Numbers: [8, 24] Generated Node #0,1,3: 46:[8, 24] Operation: 22+2=24 Moving to Node #0,1,1 Current State: 46:[22, 4], Operations: ['40-32=8', '8/2=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,46 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,46 unequal: No Solution Moving to Node #0,1,2 Current State: 46:[22, 6], Operations: ['40-32=8', '8-2=6'] Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,46 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,46 unequal: No Solution Moving to Node #0,1,3 Current State: 46:[8, 24], Operations: ['40-32=8', '22+2=24'] Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,46 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[2, 30], Operations: ['40-32=8', '22+8=30'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,46 unequal: No Solution Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 46:[22, 32, 20], Operations: ['40/2=20'] Exploring Operation: 32+20=52, Resulting Numbers: [22, 52] Generated Node #0,3,0: 46:[22, 52] Operation: 32+20=52 Exploring Operation: 22-20=2, Resulting Numbers: [32, 2] Generated Node #0,3,1: 46:[32, 2] Operation: 22-20=2 Exploring Operation: 32-22=10, Resulting Numbers: [20, 10] Generated Node #0,3,2: 46:[20, 10] Operation: 32-22=10 Exploring Operation: 22+32=54, Resulting Numbers: [20, 54] Generated Node #0,3,3: 46:[20, 54] Operation: 22+32=54 Moving to Node #0,3,0 Current State: 46:[22, 52], Operations: ['40/2=20', '32+20=52'] Exploring Operation: 22+52=74, Resulting Numbers: [74] 74,46 unequal: No Solution Exploring Operation: 22*52=1144, Resulting Numbers: [1144] 1144,46 unequal: No Solution Exploring Operation: 52-22=30, Resulting Numbers: [30] 30,46 unequal: No Solution Moving to Node #0,3,1 Current State: 46:[32, 2], Operations: ['40/2=20', '22-20=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,46 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,46 unequal: No Solution Moving to Node #0,3,3 Current State: 46:[20, 54], Operations: ['40/2=20', '22+32=54'] Exploring Operation: 20*54=1080, Resulting Numbers: [1080] 1080,46 unequal: No Solution Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 20+54=74, Resulting Numbers: [74] 74,46 unequal: No Solution Moving to Node #0,3,2 Current State: 46:[20, 10], Operations: ['40/2=20', '32-22=10'] Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 20+10=30, Resulting Numbers: [30] 30,46 unequal: No Solution Exploring Operation: 20*10=200, Resulting Numbers: [200] 200,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[22, 32, 42], Operations: ['40+2=42'] Exploring Operation: 32-22=10, Resulting Numbers: [42, 10] Generated Node #0,0,0: 46:[42, 10] Operation: 32-22=10 Exploring Operation: 42-32=10, Resulting Numbers: [22, 10] Generated Node #0,0,1: 46:[22, 10] Operation: 42-32=10 Exploring Operation: 42-22=20, Resulting Numbers: [32, 20] Generated Node #0,0,2: 46:[32, 20] Operation: 42-22=20 Exploring Operation: 22+32=54, Resulting Numbers: [42, 54] Generated Node #0,0,3: 46:[42, 54] Operation: 22+32=54 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 46:[22, 10], Operations: ['40+2=42', '42-32=10'] Exploring Operation: 22*10=220, Resulting Numbers: [220] 220,46 unequal: No Solution Exploring Operation: 22+10=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,46 unequal: No Solution No 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: 46:[42, 10], Operations: ['40+2=42', '32-22=10'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,46 unequal: No Solution Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,46 unequal: No Solution No 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: 46:[32, 20], Operations: ['40+2=42', '42-22=20'] Exploring Operation: 32*20=640, Resulting Numbers: [640] 640,46 unequal: No Solution Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,46 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,46 unequal: No Solution No 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: 46:[42, 54], Operations: ['40+2=42', '22+32=54'] Exploring Operation: 42*54=2268, Resulting Numbers: [2268] 2268,46 unequal: No Solution Exploring Operation: 42+54=96, Resulting Numbers: [96] 96,46 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[2, 32, 18], Operations: ['40-22=18'] Exploring Operation: 32-18=14, Resulting Numbers: [2, 14] Generated Node #0,2,0: 46:[2, 14] Operation: 32-18=14 Exploring Operation: 32+18=50, Resulting Numbers: [2, 50] Generated Node #0,2,1: 46:[2, 50] Operation: 32+18=50 Exploring Operation: 32/2=16, Resulting Numbers: [18, 16] Generated Node #0,2,2: 46:[18, 16] Operation: 32/2=16 Exploring Operation: 32-2=30, Resulting Numbers: [18, 30] Generated Node #0,2,3: 46:[18, 30] Operation: 32-2=30 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 46:[2, 50], Operations: ['40-22=18', '32+18=50'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 2+50=52, Resulting Numbers: [52] 52,46 unequal: No Solution Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,46 unequal: No Solution No 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: 46:[2, 14], Operations: ['40-22=18', '32-18=14'] Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,46 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,46 unequal: No Solution No 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: 46:[18, 16], Operations: ['40-22=18', '32/2=16'] Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 18*16=288, Resulting Numbers: [288] 288,46 unequal: No Solution No 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: 46:[18, 30], Operations: ['40-22=18', '32-2=30'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,46 unequal: No Solution Exploring Operation: 18+30=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 18*30=540, Resulting Numbers: [540] 540,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 36, 86, 57, 38 ]
93
[ "86*57=4902", "4902/38=129", "129-36=93" ]
Current State: 93:[36, 86, 57, 38], Operations: [] Exploring Operation: 86*57=4902, Resulting Numbers: [36, 38, 4902] Generated Node #2: [36, 38, 4902] from Operation: 86*57=4902 Current State: 93:[36, 38, 4902], Operations: ['86*57=4902'] Exploring Operation: 4902/38=129, Resulting Numbers: [36, 129] Generated Node #3: [36, 129] from Operation: 4902/38=129 Current State: 93:[36, 129], Operations: ['86*57=4902', '4902/38=129'] Exploring Operation: 129-36=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[36, 86, 57, 38], Operations: [] Exploring Operation: 36+57=93, Resulting Numbers: [86, 38, 93] Generated Node #0,0: 93:[86, 38, 93] Operation: 36+57=93 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[86, 38, 93], Operations: ['36+57=93'] Exploring Operation: 93-86=7, Resulting Numbers: [38, 7] Generated Node #0,0,0: 93:[38, 7] Operation: 93-86=7 Moving to Node #0,0,0 Current State: 93:[38, 7], Operations: ['36+57=93', '93-86=7'] Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,93 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
[ 82, 22, 9, 62 ]
38
[ "82+62=144", "144/9=16", "22+16=38" ]
Current State: 38:[82, 22, 9, 62], Operations: [] Exploring Operation: 82+62=144, Resulting Numbers: [22, 9, 144] Generated Node #2: [22, 9, 144] from Operation: 82+62=144 Current State: 38:[22, 9, 144], Operations: ['82+62=144'] Exploring Operation: 144/9=16, Resulting Numbers: [22, 16] Generated Node #3: [22, 16] from Operation: 144/9=16 Current State: 38:[22, 16], Operations: ['82+62=144', '144/9=16'] Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[82, 22, 9, 62], Operations: [] Exploring Operation: 62-22=40, Resulting Numbers: [82, 9, 40] Generated Node #0,0: 38:[82, 9, 40] Operation: 62-22=40 Exploring Operation: 82-9=73, Resulting Numbers: [22, 62, 73] Generated Node #0,1: 38:[22, 62, 73] Operation: 82-9=73 Exploring Operation: 82-22=60, Resulting Numbers: [9, 62, 60] Generated Node #0,2: 38:[9, 62, 60] Operation: 82-22=60 Exploring Operation: 82-62=20, Resulting Numbers: [22, 9, 20] Generated Node #0,3: 38:[22, 9, 20] Operation: 82-62=20 Start Sub Search at level 1: Moving to Node #0,3 Current State: 38:[22, 9, 20], Operations: ['82-62=20'] Exploring Operation: 22+20=42, Resulting Numbers: [9, 42] Generated Node #0,3,0: 38:[9, 42] Operation: 22+20=42 Exploring Operation: 22+9=31, Resulting Numbers: [20, 31] Generated Node #0,3,1: 38:[20, 31] Operation: 22+9=31 Exploring Operation: 22-9=13, Resulting Numbers: [20, 13] Generated Node #0,3,2: 38:[20, 13] Operation: 22-9=13 Exploring Operation: 22-20=2, Resulting Numbers: [9, 2] Generated Node #0,3,3: 38:[9, 2] Operation: 22-20=2 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 38:[20, 13], Operations: ['82-62=20', '22-9=13'] Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,38 unequal: No Solution Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,38 unequal: No Solution Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,38 unequal: No Solution No 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: 38:[9, 2], Operations: ['82-62=20', '22-20=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,38 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,38 unequal: No Solution No 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: 38:[20, 31], Operations: ['82-62=20', '22+9=31'] Exploring Operation: 20*31=620, Resulting Numbers: [620] 620,38 unequal: No Solution Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 20+31=51, Resulting Numbers: [51] 51,38 unequal: No Solution No 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: 38:[9, 42], Operations: ['82-62=20', '22+20=42'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 9*42=378, Resulting Numbers: [378] 378,38 unequal: No Solution Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,38 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: 38:[82, 9, 40], Operations: ['62-22=40'] Exploring Operation: 82-40=42, Resulting Numbers: [9, 42] Generated Node #0,0,0: 38:[9, 42] Operation: 82-40=42 Exploring Operation: 82-9=73, Resulting Numbers: [40, 73] Generated Node #0,0,1: 38:[40, 73] Operation: 82-9=73 Exploring Operation: 40-9=31, Resulting Numbers: [82, 31] Generated Node #0,0,2: 38:[82, 31] Operation: 40-9=31 Exploring Operation: 82+9=91, Resulting Numbers: [40, 91] Generated Node #0,0,3: 38:[40, 91] Operation: 82+9=91 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[9, 42], Operations: ['62-22=40', '82-40=42'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,38 unequal: No Solution Exploring Operation: 9*42=378, Resulting Numbers: [378] 378,38 unequal: No Solution No 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: 38:[40, 73], Operations: ['62-22=40', '82-9=73'] Exploring Operation: 73-40=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 40*73=2920, Resulting Numbers: [2920] 2920,38 unequal: No Solution Exploring Operation: 40+73=113, Resulting Numbers: [113] 113,38 unequal: No Solution No 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: 38:[82, 31], Operations: ['62-22=40', '40-9=31'] Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,38 unequal: No Solution Exploring Operation: 82*31=2542, Resulting Numbers: [2542] 2542,38 unequal: No Solution Exploring Operation: 82+31=113, Resulting Numbers: [113] 113,38 unequal: No Solution No 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: 38:[40, 91], Operations: ['62-22=40', '82+9=91'] Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,38 unequal: No Solution Exploring Operation: 40+91=131, Resulting Numbers: [131] 131,38 unequal: No Solution Exploring Operation: 40*91=3640, Resulting Numbers: [3640] 3640,38 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: 38:[9, 62, 60], Operations: ['82-22=60'] Exploring Operation: 9+62=71, Resulting Numbers: [60, 71] Generated Node #0,2,0: 38:[60, 71] Operation: 9+62=71 Exploring Operation: 60-9=51, Resulting Numbers: [62, 51] Generated Node #0,2,1: 38:[62, 51] Operation: 60-9=51 Exploring Operation: 62-9=53, Resulting Numbers: [60, 53] Generated Node #0,2,2: 38:[60, 53] Operation: 62-9=53 Exploring Operation: 62-60=2, Resulting Numbers: [9, 2] Generated Node #0,2,3: 38:[9, 2] Operation: 62-60=2 Moving to Node #0,2,3 Current State: 38:[9, 2], Operations: ['82-22=60', '62-60=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,38 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,38 unequal: No Solution Moving to Node #0,2,2 Current State: 38:[60, 53], Operations: ['82-22=60', '62-9=53'] Exploring Operation: 60+53=113, Resulting Numbers: [113] 113,38 unequal: No Solution Exploring Operation: 60-53=7, Resulting Numbers: [7] 7,38 unequal: No Solution Exploring Operation: 60*53=3180, Resulting Numbers: [3180] 3180,38 unequal: No Solution Moving to Node #0,2,1 Current State: 38:[62, 51], Operations: ['82-22=60', '60-9=51'] Exploring Operation: 62*51=3162, Resulting Numbers: [3162] 3162,38 unequal: No Solution Exploring Operation: 62-51=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 62+51=113, Resulting Numbers: [113] 113,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[60, 71], Operations: ['82-22=60', '9+62=71'] Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 60+71=131, Resulting Numbers: [131] 131,38 unequal: No Solution Exploring Operation: 60*71=4260, Resulting Numbers: [4260] 4260,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[22, 62, 73], Operations: ['82-9=73'] Exploring Operation: 62-22=40, Resulting Numbers: [73, 40] Generated Node #0,1,0: 38:[73, 40] Operation: 62-22=40 Exploring Operation: 73-62=11, Resulting Numbers: [22, 11] Generated Node #0,1,1: 38:[22, 11] Operation: 73-62=11 Exploring Operation: 73-22=51, Resulting Numbers: [62, 51] Generated Node #0,1,2: 38:[62, 51] Operation: 73-22=51 Exploring Operation: 22+62=84, Resulting Numbers: [73, 84] Generated Node #0,1,3: 38:[73, 84] Operation: 22+62=84 Moving to Node #0,1,1 Current State: 38:[22, 11], Operations: ['82-9=73', '73-62=11'] Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 22*11=242, Resulting Numbers: [242] 242,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[62, 51], Operations: ['82-9=73', '73-22=51'] Exploring Operation: 62*51=3162, Resulting Numbers: [3162] 3162,38 unequal: No Solution Exploring Operation: 62-51=11, Resulting Numbers: [11] 11,38 unequal: No Solution Exploring Operation: 62+51=113, Resulting Numbers: [113] 113,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[73, 40], Operations: ['82-9=73', '62-22=40'] Exploring Operation: 73-40=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 73+40=113, Resulting Numbers: [113] 113,38 unequal: No Solution Exploring Operation: 73*40=2920, Resulting Numbers: [2920] 2920,38 unequal: No Solution Moving to Node #0,1,3 Current State: 38:[73, 84], Operations: ['82-9=73', '22+62=84'] Exploring Operation: 73*84=6132, Resulting Numbers: [6132] 6132,38 unequal: No Solution Exploring Operation: 73+84=157, Resulting Numbers: [157] 157,38 unequal: No Solution Exploring Operation: 84-73=11, Resulting Numbers: [11] 11,38 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
[ 49, 4, 73, 16 ]
59
[ "49-16=33", "4*33=132", "132-73=59" ]
Current State: 59:[49, 4, 73, 16], Operations: [] Exploring Operation: 49-16=33, Resulting Numbers: [4, 73, 33] Generated Node #2: [4, 73, 33] from Operation: 49-16=33 Current State: 59:[4, 73, 33], Operations: ['49-16=33'] Exploring Operation: 4*33=132, Resulting Numbers: [73, 132] Generated Node #3: [73, 132] from Operation: 4*33=132 Current State: 59:[73, 132], Operations: ['49-16=33', '4*33=132'] Exploring Operation: 132-73=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[49, 4, 73, 16], Operations: [] Exploring Operation: 49+4=53, Resulting Numbers: [73, 16, 53] Generated Node #0,0: 59:[73, 16, 53] Operation: 49+4=53 Exploring Operation: 4*16=64, Resulting Numbers: [49, 73, 64] Generated Node #0,1: 59:[49, 73, 64] Operation: 4*16=64 Moving to Node #0,1 Current State: 59:[49, 73, 64], Operations: ['4*16=64'] Exploring Operation: 64-49=15, Resulting Numbers: [73, 15] Generated Node #0,1,0: 59:[73, 15] Operation: 64-49=15 Exploring Operation: 73-49=24, Resulting Numbers: [64, 24] Generated Node #0,1,1: 59:[64, 24] Operation: 73-49=24 Moving to Node #0,0 Current State: 59:[73, 16, 53], Operations: ['49+4=53'] Exploring Operation: 73-16=57, Resulting Numbers: [53, 57] Generated Node #0,0,0: 59:[53, 57] Operation: 73-16=57 Exploring Operation: 16+53=69, Resulting Numbers: [73, 69] Generated Node #0,0,1: 59:[73, 69] Operation: 16+53=69 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[53, 57], Operations: ['49+4=53', '73-16=57'] Exploring Operation: 53+57=110, Resulting Numbers: [110] 110,59 unequal: No Solution Exploring Operation: 57-53=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 #0,0,1 Current State: 59:[73, 69], Operations: ['49+4=53', '16+53=69'] Exploring Operation: 73-69=4, Resulting Numbers: [4] 4,59 unequal: No Solution Exploring Operation: 73+69=142, Resulting Numbers: [142] 142,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 59:[64, 24], Operations: ['4*16=64', '73-49=24'] Exploring Operation: 64+24=88, Resulting Numbers: [88] 88,59 unequal: No Solution Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[73, 15], Operations: ['4*16=64', '64-49=15'] Exploring Operation: 73-15=58, Resulting Numbers: [58] 58,59 unequal: No Solution Exploring Operation: 73+15=88, Resulting Numbers: [88] 88,59 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 83, 24, 11, 94 ]
23
[ "83+11=94", "94/94=1", "24-1=23" ]
Current State: 23:[83, 24, 11, 94], Operations: [] Exploring Operation: 83+11=94, Resulting Numbers: [24, 94, 94] Generated Node #2: [24, 94, 94] from Operation: 83+11=94 Current State: 23:[24, 94, 94], Operations: ['83+11=94'] Exploring Operation: 94/94=1, Resulting Numbers: [24, 1] Generated Node #3: [24, 1] from Operation: 94/94=1 Current State: 23:[24, 1], Operations: ['83+11=94', '94/94=1'] Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[83, 24, 11, 94], Operations: [] Exploring Operation: 94-24=70, Resulting Numbers: [83, 11, 70] Generated Node #0,0: 23:[83, 11, 70] Operation: 94-24=70 Exploring Operation: 83-24=59, Resulting Numbers: [11, 94, 59] Generated Node #0,1: 23:[11, 94, 59] Operation: 83-24=59 Exploring Operation: 83-11=72, Resulting Numbers: [24, 94, 72] Generated Node #0,2: 23:[24, 94, 72] Operation: 83-11=72 Exploring Operation: 94-83=11, Resulting Numbers: [24, 11, 11] Generated Node #0,3: 23:[24, 11, 11] Operation: 94-83=11 Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[24, 11, 11], Operations: ['94-83=11'] Exploring Operation: 24-11=13, Resulting Numbers: [11, 13] Generated Node #0,3,0: 23:[11, 13] Operation: 24-11=13 Exploring Operation: 24-11=13, Resulting Numbers: [11, 13] Generated Node #0,3,1: 23:[11, 13] Operation: 24-11=13 Exploring Operation: 11+11=22, Resulting Numbers: [24, 22] Generated Node #0,3,2: 23:[24, 22] Operation: 11+11=22 Exploring Operation: 11/11=1, Resulting Numbers: [24, 1] Generated Node #0,3,3: 23:[24, 1] Operation: 11/11=1 Moving to Node #0,3,2 Current State: 23:[24, 22], Operations: ['94-83=11', '11+11=22'] Exploring Operation: 24*22=528, Resulting Numbers: [528] 528,23 unequal: No Solution Exploring Operation: 24+22=46, Resulting Numbers: [46] 46,23 unequal: No Solution Exploring Operation: 24-22=2, Resulting Numbers: [2] 2,23 unequal: No Solution Moving to Node #0,3,1 Current State: 23:[11, 13], Operations: ['94-83=11', '24-11=13'] Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,23 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,23 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[11, 13], Operations: ['94-83=11', '24-11=13'] Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,23 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[24, 1], Operations: ['94-83=11', '11/11=1'] Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[83, 24, 11, 94], Operations: [] Exploring Operation: 94-83=11, Resulting Numbers: [24, 11, 11] Generated Node #0,3: 23:[24, 11, 11] Operation: 94-83=11 Moving to Node #0,3 Current State: 23:[24, 11, 11], Operations: ['94-83=11'] Exploring Operation: 11/11=1, Resulting Numbers: [24, 1] Generated Node #0,3,3: 23:[24, 1] Operation: 11/11=1 Moving to Node #0,3,3 Current State: 23:[24, 1], Operations: ['94-83=11', '11/11=1'] Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 6, 68, 86, 82 ]
66
[ "68-6=62", "86-82=4", "62+4=66" ]
Current State: 66:[6, 68, 86, 82], Operations: [] Exploring Operation: 68-6=62, Resulting Numbers: [86, 82, 62] Generated Node #2: [86, 82, 62] from Operation: 68-6=62 Current State: 66:[86, 82, 62], Operations: ['68-6=62'] Exploring Operation: 86-82=4, Resulting Numbers: [62, 4] Generated Node #3: [62, 4] from Operation: 86-82=4 Current State: 66:[62, 4], Operations: ['68-6=62', '86-82=4'] Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[6, 68, 86, 82], Operations: [] Exploring Operation: 82-68=14, Resulting Numbers: [6, 86, 14] Generated Node #0,0: 66:[6, 86, 14] Operation: 82-68=14 Exploring Operation: 86-6=80, Resulting Numbers: [68, 82, 80] Generated Node #0,1: 66:[68, 82, 80] Operation: 86-6=80 Exploring Operation: 86-82=4, Resulting Numbers: [6, 68, 4] Generated Node #0,2: 66:[6, 68, 4] Operation: 86-82=4 Exploring Operation: 86-68=18, Resulting Numbers: [6, 82, 18] Generated Node #0,3: 66:[6, 82, 18] Operation: 86-68=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[6, 68, 4], Operations: ['86-82=4'] Exploring Operation: 68-4=64, Resulting Numbers: [6, 64] Generated Node #0,2,0: 66:[6, 64] Operation: 68-4=64 Exploring Operation: 6-4=2, Resulting Numbers: [68, 2] Generated Node #0,2,1: 66:[68, 2] Operation: 6-4=2 Exploring Operation: 6*4=24, Resulting Numbers: [68, 24] Generated Node #0,2,2: 66:[68, 24] Operation: 6*4=24 Exploring Operation: 6+4=10, Resulting Numbers: [68, 10] Generated Node #0,2,3: 66:[68, 10] Operation: 6+4=10 Moving to Node #0,2,0 Current State: 66:[6, 64], Operations: ['86-82=4', '68-4=64'] Exploring Operation: 6*64=384, Resulting Numbers: [384] 384,66 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,66 unequal: No Solution Exploring Operation: 6+64=70, Resulting Numbers: [70] 70,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[68, 2], Operations: ['86-82=4', '6-4=2'] Exploring Operation: 68*2=136, Resulting Numbers: [136] 136,66 unequal: No Solution Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,66 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[6, 68, 86, 82], Operations: [] Exploring Operation: 86-82=4, Resulting Numbers: [6, 68, 4] Generated Node #0,2: 66:[6, 68, 4] Operation: 86-82=4 Moving to Node #0,2 Current State: 66:[6, 68, 4], Operations: ['86-82=4'] Exploring Operation: 6-4=2, Resulting Numbers: [68, 2] Generated Node #0,2,1: 66:[68, 2] Operation: 6-4=2 Moving to Node #0,2,1 Current State: 66:[68, 2], Operations: ['86-82=4', '6-4=2'] Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 40, 75, 13, 79 ]
49
[ "40+75=115", "79-13=66", "115-66=49" ]
Current State: 49:[40, 75, 13, 79], Operations: [] Exploring Operation: 40+75=115, Resulting Numbers: [13, 79, 115] Generated Node #2: [13, 79, 115] from Operation: 40+75=115 Current State: 49:[13, 79, 115], Operations: ['40+75=115'] Exploring Operation: 79-13=66, Resulting Numbers: [115, 66] Generated Node #3: [115, 66] from Operation: 79-13=66 Current State: 49:[115, 66], Operations: ['40+75=115', '79-13=66'] Exploring Operation: 115-66=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[40, 75, 13, 79], Operations: [] Exploring Operation: 75-13=62, Resulting Numbers: [40, 79, 62] Generated Node #0,0: 49:[40, 79, 62] Operation: 75-13=62 Exploring Operation: 79-40=39, Resulting Numbers: [75, 13, 39] Generated Node #0,1: 49:[75, 13, 39] Operation: 79-40=39 Exploring Operation: 75-40=35, Resulting Numbers: [13, 79, 35] Generated Node #0,2: 49:[13, 79, 35] Operation: 75-40=35 Exploring Operation: 79-75=4, Resulting Numbers: [40, 13, 4] Generated Node #0,3: 49:[40, 13, 4] Operation: 79-75=4 Moving to Node #0,3 Current State: 49:[40, 13, 4], Operations: ['79-75=4'] Exploring Operation: 13-4=9, Resulting Numbers: [40, 9] Generated Node #0,3,0: 49:[40, 9] Operation: 13-4=9 Exploring Operation: 40/4=10, Resulting Numbers: [13, 10] Generated Node #0,3,1: 49:[13, 10] Operation: 40/4=10 Exploring Operation: 40+13=53, Resulting Numbers: [4, 53] Generated Node #0,3,2: 49:[4, 53] Operation: 40+13=53 Exploring Operation: 40+4=44, Resulting Numbers: [13, 44] Generated Node #0,3,3: 49:[13, 44] Operation: 40+4=44 Moving to Node #0,1 Current State: 49:[75, 13, 39], Operations: ['79-40=39'] Exploring Operation: 13+39=52, Resulting Numbers: [75, 52] Generated Node #0,1,0: 49:[75, 52] Operation: 13+39=52 Exploring Operation: 75-39=36, Resulting Numbers: [13, 36] Generated Node #0,1,1: 49:[13, 36] Operation: 75-39=36 Exploring Operation: 39/13=3, Resulting Numbers: [75, 3] Generated Node #0,1,2: 49:[75, 3] Operation: 39/13=3 Exploring Operation: 75-13=62, Resulting Numbers: [39, 62] Generated Node #0,1,3: 49:[39, 62] Operation: 75-13=62 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[13, 36], Operations: ['79-40=39', '75-39=36'] Exploring Operation: 13*36=468, Resulting Numbers: [468] 468,49 unequal: No Solution Exploring Operation: 13+36=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[40, 75, 13, 79], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [75, 13, 39] Generated Node #0,1: 49:[75, 13, 39] Operation: 79-40=39 Moving to Node #0,1 Current State: 49:[75, 13, 39], Operations: ['79-40=39'] Exploring Operation: 75-39=36, Resulting Numbers: [13, 36] Generated Node #0,1,1: 49:[13, 36] Operation: 75-39=36 Moving to Node #0,1,1 Current State: 49:[13, 36], Operations: ['79-40=39', '75-39=36'] Exploring Operation: 13+36=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 11, 41, 52, 7 ]
66
[ "11*7=77", "52-41=11", "77-11=66" ]
Current State: 66:[11, 41, 52, 7], Operations: [] Exploring Operation: 11*7=77, Resulting Numbers: [41, 52, 77] Generated Node #2: [41, 52, 77] from Operation: 11*7=77 Current State: 66:[41, 52, 77], Operations: ['11*7=77'] Exploring Operation: 52-41=11, Resulting Numbers: [77, 11] Generated Node #3: [77, 11] from Operation: 52-41=11 Current State: 66:[77, 11], Operations: ['11*7=77', '52-41=11'] Exploring Operation: 77-11=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[11, 41, 52, 7], Operations: [] Exploring Operation: 52-41=11, Resulting Numbers: [11, 7, 11] Generated Node #0,0: 66:[11, 7, 11] Operation: 52-41=11 Exploring Operation: 11+52=63, Resulting Numbers: [41, 7, 63] Generated Node #0,1: 66:[41, 7, 63] Operation: 11+52=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[11, 7, 11], Operations: ['52-41=11'] Exploring Operation: 11-7=4, Resulting Numbers: [11, 4] Generated Node #0,0,0: 66:[11, 4] Operation: 11-7=4 Exploring Operation: 11+11=22, Resulting Numbers: [7, 22] Generated Node #0,0,1: 66:[7, 22] Operation: 11+11=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[11, 4], Operations: ['52-41=11', '11-7=4'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,66 unequal: No Solution No 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: 66:[7, 22], Operations: ['52-41=11', '11+11=22'] Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,66 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,66 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: 66:[41, 7, 63], Operations: ['11+52=63'] Exploring Operation: 41-7=34, Resulting Numbers: [63, 34] Generated Node #0,1,0: 66:[63, 34] Operation: 41-7=34 Exploring Operation: 63-41=22, Resulting Numbers: [7, 22] Generated Node #0,1,1: 66:[7, 22] Operation: 63-41=22 Moving to Node #0,1,1 Current State: 66:[7, 22], Operations: ['11+52=63', '63-41=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,66 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[63, 34], Operations: ['11+52=63', '41-7=34'] Exploring Operation: 63+34=97, Resulting Numbers: [97] 97,66 unequal: No Solution Exploring Operation: 63-34=29, Resulting Numbers: [29] 29,66 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
[ 7, 2, 22, 26 ]
69
[ "7*26=182", "182/2=91", "91-22=69" ]
Current State: 69:[7, 2, 22, 26], Operations: [] Exploring Operation: 7*26=182, Resulting Numbers: [2, 22, 182] Generated Node #2: [2, 22, 182] from Operation: 7*26=182 Current State: 69:[2, 22, 182], Operations: ['7*26=182'] Exploring Operation: 182/2=91, Resulting Numbers: [22, 91] Generated Node #3: [22, 91] from Operation: 182/2=91 Current State: 69:[22, 91], Operations: ['7*26=182', '182/2=91'] Exploring Operation: 91-22=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[7, 2, 22, 26], Operations: [] Exploring Operation: 26-7=19, Resulting Numbers: [2, 22, 19] Generated Node #0,0: 69:[2, 22, 19] Operation: 26-7=19 Exploring Operation: 7-2=5, Resulting Numbers: [22, 26, 5] Generated Node #0,1: 69:[22, 26, 5] Operation: 7-2=5 Moving to Node #0,0 Current State: 69:[2, 22, 19], Operations: ['26-7=19'] Exploring Operation: 22-19=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 69:[2, 3] Operation: 22-19=3 Exploring Operation: 2+19=21, Resulting Numbers: [22, 21] Generated Node #0,0,1: 69:[22, 21] Operation: 2+19=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[2, 3], Operations: ['26-7=19', '22-19=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,69 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[22, 21], Operations: ['26-7=19', '2+19=21'] Exploring Operation: 22+21=43, Resulting Numbers: [43] 43,69 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,69 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: 69:[22, 26, 5], Operations: ['7-2=5'] Exploring Operation: 26-5=21, Resulting Numbers: [22, 21] Generated Node #0,1,0: 69:[22, 21] Operation: 26-5=21 Exploring Operation: 26-22=4, Resulting Numbers: [5, 4] Generated Node #0,1,1: 69:[5, 4] Operation: 26-22=4 Moving to Node #0,1,0 Current State: 69:[22, 21], Operations: ['7-2=5', '26-5=21'] Exploring Operation: 22+21=43, Resulting Numbers: [43] 43,69 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[5, 4], Operations: ['7-2=5', '26-22=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,69 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 7, 38, 52, 60 ]
30
[ "7*60=420", "52-38=14", "420/14=30" ]
Current State: 30:[7, 38, 52, 60], Operations: [] Exploring Operation: 7*60=420, Resulting Numbers: [38, 52, 420] Generated Node #2: [38, 52, 420] from Operation: 7*60=420 Current State: 30:[38, 52, 420], Operations: ['7*60=420'] Exploring Operation: 52-38=14, Resulting Numbers: [420, 14] Generated Node #3: [420, 14] from Operation: 52-38=14 Current State: 30:[420, 14], Operations: ['7*60=420', '52-38=14'] Exploring Operation: 420/14=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[7, 38, 52, 60], Operations: [] Exploring Operation: 60-38=22, Resulting Numbers: [7, 52, 22] Generated Node #0,0: 30:[7, 52, 22] Operation: 60-38=22 Exploring Operation: 60-52=8, Resulting Numbers: [7, 38, 8] Generated Node #0,1: 30:[7, 38, 8] Operation: 60-52=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[7, 38, 8], Operations: ['60-52=8'] Exploring Operation: 38-7=31, Resulting Numbers: [8, 31] Generated Node #0,1,0: 30:[8, 31] Operation: 38-7=31 Exploring Operation: 38-8=30, Resulting Numbers: [7, 30] Generated Node #0,1,1: 30:[7, 30] Operation: 38-8=30 Moving to Node #0,1,1 Current State: 30:[7, 30], Operations: ['60-52=8', '38-8=30'] Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[8, 31], Operations: ['60-52=8', '38-7=31'] Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,30 unequal: No Solution Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,30 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:[7, 52, 22], Operations: ['60-38=22'] Exploring Operation: 52-7=45, Resulting Numbers: [22, 45] Generated Node #0,0,0: 30:[22, 45] Operation: 52-7=45 Exploring Operation: 52-22=30, Resulting Numbers: [7, 30] Generated Node #0,0,1: 30:[7, 30] Operation: 52-22=30 Moving to Node #0,0,1 Current State: 30:[7, 30], Operations: ['60-38=22', '52-22=30'] Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[22, 45], Operations: ['60-38=22', '52-7=45'] Exploring Operation: 22+45=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,30 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
[ 94, 19, 92, 21 ]
20
[ "94-92=2", "19+21=40", "40/2=20" ]
Current State: 20:[94, 19, 92, 21], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [19, 21, 2] Generated Node #2: [19, 21, 2] from Operation: 94-92=2 Current State: 20:[19, 21, 2], Operations: ['94-92=2'] Exploring Operation: 19+21=40, Resulting Numbers: [2, 40] Generated Node #3: [2, 40] from Operation: 19+21=40 Current State: 20:[2, 40], Operations: ['94-92=2', '19+21=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[94, 19, 92, 21], Operations: [] Exploring Operation: 94-19=75, Resulting Numbers: [92, 21, 75] Generated Node #0,0: 20:[92, 21, 75] Operation: 94-19=75 Exploring Operation: 92-21=71, Resulting Numbers: [94, 19, 71] Generated Node #0,1: 20:[94, 19, 71] Operation: 92-21=71 Exploring Operation: 94-21=73, Resulting Numbers: [19, 92, 73] Generated Node #0,2: 20:[19, 92, 73] Operation: 94-21=73 Exploring Operation: 94-92=2, Resulting Numbers: [19, 21, 2] Generated Node #0,3: 20:[19, 21, 2] Operation: 94-92=2 Moving to Node #0,3 Current State: 20:[19, 21, 2], Operations: ['94-92=2'] Exploring Operation: 19-2=17, Resulting Numbers: [21, 17] Generated Node #0,3,0: 20:[21, 17] Operation: 19-2=17 Exploring Operation: 21-19=2, Resulting Numbers: [2, 2] Generated Node #0,3,1: 20:[2, 2] Operation: 21-19=2 Exploring Operation: 19+2=21, Resulting Numbers: [21, 21] Generated Node #0,3,2: 20:[21, 21] Operation: 19+2=21 Exploring Operation: 21-2=19, Resulting Numbers: [19, 19] Generated Node #0,3,3: 20:[19, 19] Operation: 21-2=19 Moving to Node #0,2 Current State: 20:[19, 92, 73], Operations: ['94-21=73'] Exploring Operation: 19+92=111, Resulting Numbers: [73, 111] Generated Node #0,2,0: 20:[73, 111] Operation: 19+92=111 Exploring Operation: 92-19=73, Resulting Numbers: [73, 73] Generated Node #0,2,1: 20:[73, 73] Operation: 92-19=73 Exploring Operation: 92-73=19, Resulting Numbers: [19, 19] Generated Node #0,2,2: 20:[19, 19] Operation: 92-73=19 Exploring Operation: 73-19=54, Resulting Numbers: [92, 54] Generated Node #0,2,3: 20:[92, 54] Operation: 73-19=54 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[19, 19], Operations: ['94-21=73', '92-73=19'] Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 19-19=0, Resulting Numbers: [0] 0,20 unequal: No Solution Exploring Operation: 19*19=361, Resulting Numbers: [361] 361,20 unequal: No Solution Exploring Operation: 19+19=38, Resulting Numbers: [38] 38,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 20:[73, 73], Operations: ['94-21=73', '92-19=73'] Exploring Operation: 73*73=5329, Resulting Numbers: [5329] 5329,20 unequal: No Solution Exploring Operation: 73+73=146, Resulting Numbers: [146] 146,20 unequal: No Solution Exploring Operation: 73/73=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 73-73=0, Resulting Numbers: [0] 0,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 20:[92, 54], Operations: ['94-21=73', '73-19=54'] Exploring Operation: 92-54=38, Resulting Numbers: [38] 38,20 unequal: No Solution Exploring Operation: 92*54=4968, Resulting Numbers: [4968] 4968,20 unequal: No Solution Exploring Operation: 92+54=146, Resulting Numbers: [146] 146,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 20:[73, 111], Operations: ['94-21=73', '19+92=111'] Exploring Operation: 73+111=184, Resulting Numbers: [184] 184,20 unequal: No Solution Exploring Operation: 73*111=8103, Resulting Numbers: [8103] 8103,20 unequal: No Solution Exploring Operation: 111-73=38, Resulting Numbers: [38] 38,20 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:[94, 19, 71], Operations: ['92-21=71'] Exploring Operation: 94-19=75, Resulting Numbers: [71, 75] Generated Node #0,1,0: 20:[71, 75] Operation: 94-19=75 Exploring Operation: 94+19=113, Resulting Numbers: [71, 113] Generated Node #0,1,1: 20:[71, 113] Operation: 94+19=113 Exploring Operation: 94-71=23, Resulting Numbers: [19, 23] Generated Node #0,1,2: 20:[19, 23] Operation: 94-71=23 Exploring Operation: 71-19=52, Resulting Numbers: [94, 52] Generated Node #0,1,3: 20:[94, 52] Operation: 71-19=52 Moving to Node #0,0 Current State: 20:[92, 21, 75], Operations: ['94-19=75'] Exploring Operation: 92-75=17, Resulting Numbers: [21, 17] Generated Node #0,0,0: 20:[21, 17] Operation: 92-75=17 Exploring Operation: 92+21=113, Resulting Numbers: [75, 113] Generated Node #0,0,1: 20:[75, 113] Operation: 92+21=113 Exploring Operation: 75-21=54, Resulting Numbers: [92, 54] Generated Node #0,0,2: 20:[92, 54] Operation: 75-21=54 Exploring Operation: 92-21=71, Resulting Numbers: [75, 71] Generated Node #0,0,3: 20:[75, 71] Operation: 92-21=71 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[21, 17], Operations: ['94-19=75', '92-75=17'] Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,20 unequal: No Solution Exploring Operation: 21*17=357, Resulting Numbers: [357] 357,20 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,20 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:[92, 54], Operations: ['94-19=75', '75-21=54'] Exploring Operation: 92+54=146, Resulting Numbers: [146] 146,20 unequal: No Solution Exploring Operation: 92-54=38, Resulting Numbers: [38] 38,20 unequal: No Solution Exploring Operation: 92*54=4968, Resulting Numbers: [4968] 4968,20 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:[75, 71], Operations: ['94-19=75', '92-21=71'] Exploring Operation: 75+71=146, Resulting Numbers: [146] 146,20 unequal: No Solution Exploring Operation: 75*71=5325, Resulting Numbers: [5325] 5325,20 unequal: No Solution Exploring Operation: 75-71=4, Resulting Numbers: [4] 4,20 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:[75, 113], Operations: ['94-19=75', '92+21=113'] Exploring Operation: 75+113=188, Resulting Numbers: [188] 188,20 unequal: No Solution Exploring Operation: 75*113=8475, Resulting Numbers: [8475] 8475,20 unequal: No Solution Exploring Operation: 113-75=38, Resulting Numbers: [38] 38,20 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: 20:[2, 2], Operations: ['94-92=2', '21-19=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,20 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,20 unequal: No Solution Moving to Node #0,3,3 Current State: 20:[19, 19], Operations: ['94-92=2', '21-2=19'] Exploring Operation: 19-19=0, Resulting Numbers: [0] 0,20 unequal: No Solution Exploring Operation: 19*19=361, Resulting Numbers: [361] 361,20 unequal: No Solution Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 19+19=38, Resulting Numbers: [38] 38,20 unequal: No Solution Moving to Node #0,3,2 Current State: 20:[21, 21], Operations: ['94-92=2', '19+2=21'] Exploring Operation: 21+21=42, Resulting Numbers: [42] 42,20 unequal: No Solution Exploring Operation: 21/21=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 21*21=441, Resulting Numbers: [441] 441,20 unequal: No Solution Exploring Operation: 21-21=0, Resulting Numbers: [0] 0,20 unequal: No Solution Moving to Node #0,1,2 Current State: 20:[19, 23], Operations: ['92-21=71', '94-71=23'] Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 19*23=437, Resulting Numbers: [437] 437,20 unequal: No Solution Exploring Operation: 19+23=42, Resulting Numbers: [42] 42,20 unequal: No Solution Moving to Node #0,3,0 Current State: 20:[21, 17], Operations: ['94-92=2', '19-2=17'] Exploring Operation: 21*17=357, Resulting Numbers: [357] 357,20 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,20 unequal: No Solution Moving to Node #0,1,3 Current State: 20:[94, 52], Operations: ['92-21=71', '71-19=52'] Exploring Operation: 94-52=42, Resulting Numbers: [42] 42,20 unequal: No Solution Exploring Operation: 94*52=4888, Resulting Numbers: [4888] 4888,20 unequal: No Solution Exploring Operation: 94+52=146, Resulting Numbers: [146] 146,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[71, 75], Operations: ['92-21=71', '94-19=75'] Exploring Operation: 71+75=146, Resulting Numbers: [146] 146,20 unequal: No Solution Exploring Operation: 75-71=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 71*75=5325, Resulting Numbers: [5325] 5325,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[71, 113], Operations: ['92-21=71', '94+19=113'] Exploring Operation: 113-71=42, Resulting Numbers: [42] 42,20 unequal: No Solution Exploring Operation: 71*113=8023, Resulting Numbers: [8023] 8023,20 unequal: No Solution Exploring Operation: 71+113=184, Resulting Numbers: [184] 184,20 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 11, 91, 12, 71 ]
20
[ "12-11=1", "91-71=20", "1*20=20" ]
Current State: 20:[11, 91, 12, 71], Operations: [] Exploring Operation: 12-11=1, Resulting Numbers: [91, 71, 1] Generated Node #2: [91, 71, 1] from Operation: 12-11=1 Current State: 20:[91, 71, 1], Operations: ['12-11=1'] Exploring Operation: 91-71=20, Resulting Numbers: [1, 20] Generated Node #3: [1, 20] from Operation: 91-71=20 Current State: 20:[1, 20], Operations: ['12-11=1', '91-71=20'] Exploring Operation: 1*20=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[11, 91, 12, 71], Operations: [] Exploring Operation: 91-71=20, Resulting Numbers: [11, 12, 20] Generated Node #0,0: 20:[11, 12, 20] Operation: 91-71=20 Exploring Operation: 71-12=59, Resulting Numbers: [11, 91, 59] Generated Node #0,1: 20:[11, 91, 59] Operation: 71-12=59 Exploring Operation: 91-12=79, Resulting Numbers: [11, 71, 79] Generated Node #0,2: 20:[11, 71, 79] Operation: 91-12=79 Moving to Node #0,0 Current State: 20:[11, 12, 20], Operations: ['91-71=20'] Exploring Operation: 20-11=9, Resulting Numbers: [12, 9] Generated Node #0,0,0: 20:[12, 9] Operation: 20-11=9 Exploring Operation: 12-11=1, Resulting Numbers: [20, 1] Generated Node #0,0,1: 20:[20, 1] Operation: 12-11=1 Exploring Operation: 11+12=23, Resulting Numbers: [20, 23] Generated Node #0,0,2: 20:[20, 23] Operation: 11+12=23 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[20, 1], Operations: ['91-71=20', '12-11=1'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[11, 91, 12, 71], Operations: [] Exploring Operation: 91-71=20, Resulting Numbers: [11, 12, 20] Generated Node #0,0: 20:[11, 12, 20] Operation: 91-71=20 Moving to Node #0,0 Current State: 20:[11, 12, 20], Operations: ['91-71=20'] Exploring Operation: 12-11=1, Resulting Numbers: [20, 1] Generated Node #0,0,1: 20:[20, 1] Operation: 12-11=1 Moving to Node #0,0,1 Current State: 20:[20, 1], Operations: ['91-71=20', '12-11=1'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 64, 98, 17, 33 ]
17
[ "98-64=34", "34-33=1", "17*1=17" ]
Current State: 17:[64, 98, 17, 33], Operations: [] Exploring Operation: 98-64=34, Resulting Numbers: [17, 33, 34] Generated Node #2: [17, 33, 34] from Operation: 98-64=34 Current State: 17:[17, 33, 34], Operations: ['98-64=34'] Exploring Operation: 34-33=1, Resulting Numbers: [17, 1] Generated Node #3: [17, 1] from Operation: 34-33=1 Current State: 17:[17, 1], Operations: ['98-64=34', '34-33=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[64, 98, 17, 33], Operations: [] Exploring Operation: 98-33=65, Resulting Numbers: [64, 17, 65] Generated Node #0,0: 17:[64, 17, 65] Operation: 98-33=65 Exploring Operation: 64-17=47, Resulting Numbers: [98, 33, 47] Generated Node #0,1: 17:[98, 33, 47] Operation: 64-17=47 Exploring Operation: 64-33=31, Resulting Numbers: [98, 17, 31] Generated Node #0,2: 17:[98, 17, 31] Operation: 64-33=31 Exploring Operation: 98-64=34, Resulting Numbers: [17, 33, 34] Generated Node #0,3: 17:[17, 33, 34] Operation: 98-64=34 Start Sub Search at level 1: Moving to Node #0,3 Current State: 17:[17, 33, 34], Operations: ['98-64=34'] Exploring Operation: 34-33=1, Resulting Numbers: [17, 1] Generated Node #0,3,0: 17:[17, 1] Operation: 34-33=1 Exploring Operation: 34-17=17, Resulting Numbers: [33, 17] Generated Node #0,3,1: 17:[33, 17] Operation: 34-17=17 Exploring Operation: 33-17=16, Resulting Numbers: [34, 16] Generated Node #0,3,2: 17:[34, 16] Operation: 33-17=16 Exploring Operation: 34/17=2, Resulting Numbers: [33, 2] Generated Node #0,3,3: 17:[33, 2] Operation: 34/17=2 Moving to Node #0,3,0 Current State: 17:[17, 1], Operations: ['98-64=34', '34-33=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[64, 98, 17, 33], Operations: [] Exploring Operation: 98-64=34, Resulting Numbers: [17, 33, 34] Generated Node #0,3: 17:[17, 33, 34] Operation: 98-64=34 Moving to Node #0,3 Current State: 17:[17, 33, 34], Operations: ['98-64=34'] Exploring Operation: 34-33=1, Resulting Numbers: [17, 1] Generated Node #0,3,0: 17:[17, 1] Operation: 34-33=1 Moving to Node #0,3,0 Current State: 17:[17, 1], Operations: ['98-64=34', '34-33=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 14, 24, 16, 4 ]
20
[ "24*4=96", "96/16=6", "14+6=20" ]
Current State: 20:[14, 24, 16, 4], Operations: [] Exploring Operation: 24*4=96, Resulting Numbers: [14, 16, 96] Generated Node #2: [14, 16, 96] from Operation: 24*4=96 Current State: 20:[14, 16, 96], Operations: ['24*4=96'] Exploring Operation: 96/16=6, Resulting Numbers: [14, 6] Generated Node #3: [14, 6] from Operation: 96/16=6 Current State: 20:[14, 6], Operations: ['24*4=96', '96/16=6'] Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[14, 24, 16, 4], Operations: [] Exploring Operation: 24-16=8, Resulting Numbers: [14, 4, 8] Generated Node #0,0: 20:[14, 4, 8] Operation: 24-16=8 Exploring Operation: 14-4=10, Resulting Numbers: [24, 16, 10] Generated Node #0,1: 20:[24, 16, 10] Operation: 14-4=10 Exploring Operation: 16-14=2, Resulting Numbers: [24, 4, 2] Generated Node #0,2: 20:[24, 4, 2] Operation: 16-14=2 Exploring Operation: 24-14=10, Resulting Numbers: [16, 4, 10] Generated Node #0,3: 20:[16, 4, 10] Operation: 24-14=10 Moving to Node #0,2 Current State: 20:[24, 4, 2], Operations: ['16-14=2'] Exploring Operation: 24/2=12, Resulting Numbers: [4, 12] Generated Node #0,2,0: 20:[4, 12] Operation: 24/2=12 Exploring Operation: 24/4=6, Resulting Numbers: [2, 6] Generated Node #0,2,1: 20:[2, 6] Operation: 24/4=6 Exploring Operation: 24-4=20, Resulting Numbers: [2, 20] Generated Node #0,2,2: 20:[2, 20] Operation: 24-4=20 Exploring Operation: 24-2=22, Resulting Numbers: [4, 22] Generated Node #0,2,3: 20:[4, 22] Operation: 24-2=22 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[2, 20], Operations: ['16-14=2', '24-4=20'] Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,20 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,20 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 20:[2, 6], Operations: ['16-14=2', '24/4=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 20:[4, 12], Operations: ['16-14=2', '24/2=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 20:[4, 22], Operations: ['16-14=2', '24-2=22'] Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,20 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,20 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,20 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:[16, 4, 10], Operations: ['24-14=10'] Exploring Operation: 16-4=12, Resulting Numbers: [10, 12] Generated Node #0,3,0: 20:[10, 12] Operation: 16-4=12 Exploring Operation: 16+4=20, Resulting Numbers: [10, 20] Generated Node #0,3,1: 20:[10, 20] Operation: 16+4=20 Exploring Operation: 16/4=4, Resulting Numbers: [10, 4] Generated Node #0,3,2: 20:[10, 4] Operation: 16/4=4 Exploring Operation: 16-10=6, Resulting Numbers: [4, 6] Generated Node #0,3,3: 20:[4, 6] Operation: 16-10=6 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 20:[10, 20], Operations: ['24-14=10', '16+4=20'] Exploring Operation: 10+20=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 10*20=200, Resulting Numbers: [200] 200,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 20:[10, 4], Operations: ['24-14=10', '16/4=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,20 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 20:[4, 6], Operations: ['24-14=10', '16-10=6'] Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,20 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 20:[10, 12], Operations: ['24-14=10', '16-4=12'] Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,20 unequal: No Solution Exploring Operation: 10*12=120, Resulting Numbers: [120] 120,20 unequal: No Solution Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,20 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: 20:[14, 4, 8], Operations: ['24-16=8'] Exploring Operation: 14+8=22, Resulting Numbers: [4, 22] Generated Node #0,0,0: 20:[4, 22] Operation: 14+8=22 Exploring Operation: 14+4=18, Resulting Numbers: [8, 18] Generated Node #0,0,1: 20:[8, 18] Operation: 14+4=18 Exploring Operation: 14-8=6, Resulting Numbers: [4, 6] Generated Node #0,0,2: 20:[4, 6] Operation: 14-8=6 Exploring Operation: 14-4=10, Resulting Numbers: [8, 10] Generated Node #0,0,3: 20:[8, 10] Operation: 14-4=10 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[4, 6], Operations: ['24-16=8', '14-8=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,20 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:[4, 22], Operations: ['24-16=8', '14+8=22'] Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,20 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,20 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,20 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:[8, 10], Operations: ['24-16=8', '14-4=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,20 unequal: No Solution Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,20 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:[8, 18], Operations: ['24-16=8', '14+4=18'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,20 unequal: No Solution Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,20 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:[24, 16, 10], Operations: ['14-4=10'] Exploring Operation: 16+10=26, Resulting Numbers: [24, 26] Generated Node #0,1,0: 20:[24, 26] Operation: 16+10=26 Exploring Operation: 24-10=14, Resulting Numbers: [16, 14] Generated Node #0,1,1: 20:[16, 14] Operation: 24-10=14 Exploring Operation: 24-16=8, Resulting Numbers: [10, 8] Generated Node #0,1,2: 20:[10, 8] Operation: 24-16=8 Exploring Operation: 16-10=6, Resulting Numbers: [24, 6] Generated Node #0,1,3: 20:[24, 6] Operation: 16-10=6 Moving to Node #0,1,2 Current State: 20:[10, 8], Operations: ['14-4=10', '24-16=8'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,20 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,20 unequal: No Solution Moving to Node #0,1,3 Current State: 20:[24, 6], Operations: ['14-4=10', '16-10=6'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,20 unequal: No Solution Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 24*6=144, Resulting Numbers: [144] 144,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[16, 14], Operations: ['14-4=10', '24-10=14'] Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 16*14=224, Resulting Numbers: [224] 224,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[24, 26], Operations: ['14-4=10', '16+10=26'] Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,20 unequal: No Solution Exploring Operation: 24*26=624, Resulting Numbers: [624] 624,20 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 2, 30, 60, 72 ]
23
[ "30*60=1800", "1800/72=25", "25-2=23" ]
Current State: 23:[2, 30, 60, 72], Operations: [] Exploring Operation: 30*60=1800, Resulting Numbers: [2, 72, 1800] Generated Node #2: [2, 72, 1800] from Operation: 30*60=1800 Current State: 23:[2, 72, 1800], Operations: ['30*60=1800'] Exploring Operation: 1800/72=25, Resulting Numbers: [2, 25] Generated Node #3: [2, 25] from Operation: 1800/72=25 Current State: 23:[2, 25], Operations: ['30*60=1800', '1800/72=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[2, 30, 60, 72], Operations: [] Exploring Operation: 60-30=30, Resulting Numbers: [2, 72, 30] Generated Node #0,0: 23:[2, 72, 30] Operation: 60-30=30 Exploring Operation: 72-30=42, Resulting Numbers: [2, 60, 42] Generated Node #0,1: 23:[2, 60, 42] Operation: 72-30=42 Exploring Operation: 72/2=36, Resulting Numbers: [30, 60, 36] Generated Node #0,2: 23:[30, 60, 36] Operation: 72/2=36 Exploring Operation: 60/2=30, Resulting Numbers: [30, 72, 30] Generated Node #0,3: 23:[30, 72, 30] Operation: 60/2=30 Exploring Operation: 72-60=12, Resulting Numbers: [2, 30, 12] Generated Node #0,4: 23:[2, 30, 12] Operation: 72-60=12 Moving to Node #0,4 Current State: 23:[2, 30, 12], Operations: ['72-60=12'] Exploring Operation: 30-2=28, Resulting Numbers: [12, 28] Generated Node #0,4,0: 23:[12, 28] Operation: 30-2=28 Exploring Operation: 2*12=24, Resulting Numbers: [30, 24] Generated Node #0,4,1: 23:[30, 24] Operation: 2*12=24 Exploring Operation: 2+12=14, Resulting Numbers: [30, 14] Generated Node #0,4,2: 23:[30, 14] Operation: 2+12=14 Exploring Operation: 2+30=32, Resulting Numbers: [12, 32] Generated Node #0,4,3: 23:[12, 32] Operation: 2+30=32 Exploring Operation: 30/2=15, Resulting Numbers: [12, 15] Generated Node #0,4,4: 23:[12, 15] Operation: 30/2=15 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 23:[30, 24], Operations: ['72-60=12', '2*12=24'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,23 unequal: No Solution Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,23 unequal: No Solution No 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: 23:[12, 28], Operations: ['72-60=12', '30-2=28'] Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 12*28=336, Resulting Numbers: [336] 336,23 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,23 unequal: No Solution No 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: 23:[30, 14], Operations: ['72-60=12', '2+12=14'] Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,23 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,23 unequal: No Solution No 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: 23:[12, 15], Operations: ['72-60=12', '30/2=15'] Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,23 unequal: No Solution Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,23 unequal: No Solution No 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: 23:[12, 32], Operations: ['72-60=12', '2+30=32'] Exploring Operation: 12+32=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 12*32=384, Resulting Numbers: [384] 384,23 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,23 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: 23:[30, 60, 36], Operations: ['72/2=36'] Exploring Operation: 60-30=30, Resulting Numbers: [36, 30] Generated Node #0,2,0: 23:[36, 30] Operation: 60-30=30 Exploring Operation: 30+60=90, Resulting Numbers: [36, 90] Generated Node #0,2,1: 23:[36, 90] Operation: 30+60=90 Exploring Operation: 60-36=24, Resulting Numbers: [30, 24] Generated Node #0,2,2: 23:[30, 24] Operation: 60-36=24 Exploring Operation: 36-30=6, Resulting Numbers: [60, 6] Generated Node #0,2,3: 23:[60, 6] Operation: 36-30=6 Exploring Operation: 60/30=2, Resulting Numbers: [36, 2] Generated Node #0,2,4: 23:[36, 2] Operation: 60/30=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 23:[30, 24], Operations: ['72/2=36', '60-36=24'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,23 unequal: No Solution No 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: 23:[36, 30], Operations: ['72/2=36', '60-30=30'] Exploring Operation: 36+30=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 36*30=1080, Resulting Numbers: [1080] 1080,23 unequal: No Solution Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,23 unequal: No Solution No 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: 23:[36, 2], Operations: ['72/2=36', '60/30=2'] Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,23 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,23 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,23 unequal: No Solution No 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: 23:[60, 6], Operations: ['72/2=36', '36-30=6'] Exploring Operation: 60+6=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 60-6=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 60*6=360, Resulting Numbers: [360] 360,23 unequal: No Solution Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,23 unequal: No Solution No 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: 23:[36, 90], Operations: ['72/2=36', '30+60=90'] Exploring Operation: 36+90=126, Resulting Numbers: [126] 126,23 unequal: No Solution Exploring Operation: 36*90=3240, Resulting Numbers: [3240] 3240,23 unequal: No Solution Exploring Operation: 90-36=54, Resulting Numbers: [54] 54,23 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: 23:[30, 72, 30], Operations: ['60/2=30'] Exploring Operation: 30+72=102, Resulting Numbers: [30, 102] Generated Node #0,3,0: 23:[30, 102] Operation: 30+72=102 Exploring Operation: 72-30=42, Resulting Numbers: [30, 42] Generated Node #0,3,1: 23:[30, 42] Operation: 72-30=42 Exploring Operation: 30-30=0, Resulting Numbers: [72, 0] Generated Node #0,3,2: 23:[72, 0] Operation: 30-30=0 Exploring Operation: 30/30=1, Resulting Numbers: [72, 1] Generated Node #0,3,3: 23:[72, 1] Operation: 30/30=1 Exploring Operation: 72-30=42, Resulting Numbers: [30, 42] Generated Node #0,3,4: 23:[30, 42] Operation: 72-30=42 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 23:[30, 42], Operations: ['60/2=30', '72-30=42'] Exploring Operation: 30+42=72, Resulting Numbers: [72] 72,23 unequal: No Solution Exploring Operation: 30*42=1260, Resulting Numbers: [1260] 1260,23 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,23 unequal: No Solution No 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: 23:[30, 42], Operations: ['60/2=30', '72-30=42'] Exploring Operation: 30+42=72, Resulting Numbers: [72] 72,23 unequal: No Solution Exploring Operation: 30*42=1260, Resulting Numbers: [1260] 1260,23 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,23 unequal: No Solution No 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: 23:[72, 1], Operations: ['60/2=30', '30/30=1'] Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,23 unequal: No Solution Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,23 unequal: No Solution Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,23 unequal: No Solution Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,23 unequal: No Solution No 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: 23:[72, 0], Operations: ['60/2=30', '30-30=0'] Exploring Operation: 72*0=0, Resulting Numbers: [0] 0,23 unequal: No Solution Exploring Operation: 72+0=72, Resulting Numbers: [72] 72,23 unequal: No Solution Exploring Operation: 72-0=72, Resulting Numbers: [72] 72,23 unequal: No Solution No 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: 23:[30, 102], Operations: ['60/2=30', '30+72=102'] Exploring Operation: 30+102=132, Resulting Numbers: [132] 132,23 unequal: No Solution Exploring Operation: 30*102=3060, Resulting Numbers: [3060] 3060,23 unequal: No Solution Exploring Operation: 102-30=72, Resulting Numbers: [72] 72,23 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: 23:[2, 72, 30], Operations: ['60-30=30'] Exploring Operation: 30-2=28, Resulting Numbers: [72, 28] Generated Node #0,0,0: 23:[72, 28] Operation: 30-2=28 Exploring Operation: 30/2=15, Resulting Numbers: [72, 15] Generated Node #0,0,1: 23:[72, 15] Operation: 30/2=15 Exploring Operation: 72-30=42, Resulting Numbers: [2, 42] Generated Node #0,0,2: 23:[2, 42] Operation: 72-30=42 Exploring Operation: 72/2=36, Resulting Numbers: [30, 36] Generated Node #0,0,3: 23:[30, 36] Operation: 72/2=36 Exploring Operation: 72-2=70, Resulting Numbers: [30, 70] Generated Node #0,0,4: 23:[30, 70] Operation: 72-2=70 Moving to Node #0,1 Current State: 23:[2, 60, 42], Operations: ['72-30=42'] Exploring Operation: 60-2=58, Resulting Numbers: [42, 58] Generated Node #0,1,0: 23:[42, 58] Operation: 60-2=58 Exploring Operation: 60-42=18, Resulting Numbers: [2, 18] Generated Node #0,1,1: 23:[2, 18] Operation: 60-42=18 Exploring Operation: 60/2=30, Resulting Numbers: [42, 30] Generated Node #0,1,2: 23:[42, 30] Operation: 60/2=30 Exploring Operation: 42-2=40, Resulting Numbers: [60, 40] Generated Node #0,1,3: 23:[60, 40] Operation: 42-2=40 Exploring Operation: 42/2=21, Resulting Numbers: [60, 21] Generated Node #0,1,4: 23:[60, 21] Operation: 42/2=21 Moving to Node #0,0,3 Current State: 23:[30, 36], Operations: ['60-30=30', '72/2=36'] Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 30*36=1080, Resulting Numbers: [1080] 1080,23 unequal: No Solution Exploring Operation: 30+36=66, Resulting Numbers: [66] 66,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[2, 18], Operations: ['72-30=42', '60-42=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,23 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,23 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[42, 30], Operations: ['72-30=42', '60/2=30'] Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,23 unequal: No Solution Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,23 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,23 unequal: No Solution Moving to Node #0,1,4 Current State: 23:[60, 21], Operations: ['72-30=42', '42/2=21'] Exploring Operation: 60+21=81, Resulting Numbers: [81] 81,23 unequal: No Solution Exploring Operation: 60*21=1260, Resulting Numbers: [1260] 1260,23 unequal: No Solution Exploring Operation: 60-21=39, Resulting Numbers: [39] 39,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[2, 42], Operations: ['60-30=30', '72-30=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,23 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[72, 28], Operations: ['60-30=30', '30-2=28'] Exploring Operation: 72+28=100, Resulting Numbers: [100] 100,23 unequal: No Solution Exploring Operation: 72-28=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 72*28=2016, Resulting Numbers: [2016] 2016,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[42, 58], Operations: ['72-30=42', '60-2=58'] Exploring Operation: 42+58=100, Resulting Numbers: [100] 100,23 unequal: No Solution Exploring Operation: 42*58=2436, Resulting Numbers: [2436] 2436,23 unequal: No Solution Exploring Operation: 58-42=16, Resulting Numbers: [16] 16,23 unequal: No Solution Moving to Node #0,1,3 Current State: 23:[60, 40], Operations: ['72-30=42', '42-2=40'] Exploring Operation: 60+40=100, Resulting Numbers: [100] 100,23 unequal: No Solution Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,23 unequal: No Solution Exploring Operation: 60*40=2400, Resulting Numbers: [2400] 2400,23 unequal: No Solution Moving to Node #0,0,4 Current State: 23:[30, 70], Operations: ['60-30=30', '72-2=70'] Exploring Operation: 30+70=100, Resulting Numbers: [100] 100,23 unequal: No Solution Exploring Operation: 70-30=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 30*70=2100, Resulting Numbers: [2100] 2100,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[72, 15], Operations: ['60-30=30', '30/2=15'] Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,23 unequal: No Solution Exploring Operation: 72*15=1080, Resulting Numbers: [1080] 1080,23 unequal: No Solution Exploring Operation: 72+15=87, Resulting Numbers: [87] 87,23 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 52, 53, 67, 84 ]
88
[ "52+53=105", "84-67=17", "105-17=88" ]
Current State: 88:[52, 53, 67, 84], Operations: [] Exploring Operation: 52+53=105, Resulting Numbers: [67, 84, 105] Generated Node #2: [67, 84, 105] from Operation: 52+53=105 Current State: 88:[67, 84, 105], Operations: ['52+53=105'] Exploring Operation: 84-67=17, Resulting Numbers: [105, 17] Generated Node #3: [105, 17] from Operation: 84-67=17 Current State: 88:[105, 17], Operations: ['52+53=105', '84-67=17'] Exploring Operation: 105-17=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[52, 53, 67, 84], Operations: [] Exploring Operation: 67-53=14, Resulting Numbers: [52, 84, 14] Generated Node #0,0: 88:[52, 84, 14] Operation: 67-53=14 Exploring Operation: 67-52=15, Resulting Numbers: [53, 84, 15] Generated Node #0,1: 88:[53, 84, 15] Operation: 67-52=15 Moving to Node #0,0 Current State: 88:[52, 84, 14], Operations: ['67-53=14'] Exploring Operation: 84/14=6, Resulting Numbers: [52, 6] Generated Node #0,0,0: 88:[52, 6] Operation: 84/14=6 Exploring Operation: 52-14=38, Resulting Numbers: [84, 38] Generated Node #0,0,1: 88:[84, 38] Operation: 52-14=38 Moving to Node #0,1 Current State: 88:[53, 84, 15], Operations: ['67-52=15'] Exploring Operation: 84-53=31, Resulting Numbers: [15, 31] Generated Node #0,1,0: 88:[15, 31] Operation: 84-53=31 Exploring Operation: 53-15=38, Resulting Numbers: [84, 38] Generated Node #0,1,1: 88:[84, 38] Operation: 53-15=38 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[84, 38], Operations: ['67-52=15', '53-15=38'] Exploring Operation: 84-38=46, Resulting Numbers: [46] 46,88 unequal: No Solution Exploring Operation: 84+38=122, Resulting Numbers: [122] 122,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 88:[15, 31], Operations: ['67-52=15', '84-53=31'] Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,88 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,88 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: 88:[52, 6], Operations: ['67-53=14', '84/14=6'] Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[84, 38], Operations: ['67-53=14', '52-14=38'] Exploring Operation: 84+38=122, Resulting Numbers: [122] 122,88 unequal: No Solution Exploring Operation: 84-38=46, Resulting Numbers: [46] 46,88 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 86, 12, 84, 83 ]
74
[ "86-12=74", "84-83=1", "74*1=74" ]
Current State: 74:[86, 12, 84, 83], Operations: [] Exploring Operation: 86-12=74, Resulting Numbers: [84, 83, 74] Generated Node #2: [84, 83, 74] from Operation: 86-12=74 Current State: 74:[84, 83, 74], Operations: ['86-12=74'] Exploring Operation: 84-83=1, Resulting Numbers: [74, 1] Generated Node #3: [74, 1] from Operation: 84-83=1 Current State: 74:[74, 1], Operations: ['86-12=74', '84-83=1'] Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[86, 12, 84, 83], Operations: [] Exploring Operation: 86-12=74, Resulting Numbers: [84, 83, 74] Generated Node #0,0: 74:[84, 83, 74] Operation: 86-12=74 Moving to Node #0,0 Current State: 74:[84, 83, 74], Operations: ['86-12=74'] Exploring Operation: 84-83=1, Resulting Numbers: [74, 1] Generated Node #0,0,0: 74:[74, 1] Operation: 84-83=1 Moving to Node #0,0,0 Current State: 74:[74, 1], Operations: ['86-12=74', '84-83=1'] Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[86, 12, 84, 83], Operations: [] Exploring Operation: 86-12=74, Resulting Numbers: [84, 83, 74] Generated Node #0,0: 74:[84, 83, 74] Operation: 86-12=74 Moving to Node #0,0 Current State: 74:[84, 83, 74], Operations: ['86-12=74'] Exploring Operation: 84-83=1, Resulting Numbers: [74, 1] Generated Node #0,0,0: 74:[74, 1] Operation: 84-83=1 Moving to Node #0,0,0 Current State: 74:[74, 1], Operations: ['86-12=74', '84-83=1'] Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 85, 55, 20, 87 ]
77
[ "85-55=30", "20+87=107", "107-30=77" ]
Current State: 77:[85, 55, 20, 87], Operations: [] Exploring Operation: 85-55=30, Resulting Numbers: [20, 87, 30] Generated Node #2: [20, 87, 30] from Operation: 85-55=30 Current State: 77:[20, 87, 30], Operations: ['85-55=30'] Exploring Operation: 20+87=107, Resulting Numbers: [30, 107] Generated Node #3: [30, 107] from Operation: 20+87=107 Current State: 77:[30, 107], Operations: ['85-55=30', '20+87=107'] Exploring Operation: 107-30=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[85, 55, 20, 87], Operations: [] Exploring Operation: 55+20=75, Resulting Numbers: [85, 87, 75] Generated Node #0,0: 77:[85, 87, 75] Operation: 55+20=75 Exploring Operation: 87-85=2, Resulting Numbers: [55, 20, 2] Generated Node #0,1: 77:[55, 20, 2] Operation: 87-85=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[85, 87, 75], Operations: ['55+20=75'] Exploring Operation: 87-85=2, Resulting Numbers: [75, 2] Generated Node #0,0,0: 77:[75, 2] Operation: 87-85=2 Exploring Operation: 87-75=12, Resulting Numbers: [85, 12] Generated Node #0,0,1: 77:[85, 12] Operation: 87-75=12 Moving to Node #0,0,0 Current State: 77:[75, 2], Operations: ['55+20=75', '87-85=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,77 unequal: No Solution Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[85, 55, 20, 87], Operations: [] Exploring Operation: 55+20=75, Resulting Numbers: [85, 87, 75] Generated Node #0,0: 77:[85, 87, 75] Operation: 55+20=75 Moving to Node #0,0 Current State: 77:[85, 87, 75], Operations: ['55+20=75'] Exploring Operation: 87-85=2, Resulting Numbers: [75, 2] Generated Node #0,0,0: 77:[75, 2] Operation: 87-85=2 Moving to Node #0,0,0 Current State: 77:[75, 2], Operations: ['55+20=75', '87-85=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 22, 28, 44, 12 ]
62
[ "28-22=6", "44+12=56", "6+56=62" ]
Current State: 62:[22, 28, 44, 12], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [44, 12, 6] Generated Node #2: [44, 12, 6] from Operation: 28-22=6 Current State: 62:[44, 12, 6], Operations: ['28-22=6'] Exploring Operation: 44+12=56, Resulting Numbers: [6, 56] Generated Node #3: [6, 56] from Operation: 44+12=56 Current State: 62:[6, 56], Operations: ['28-22=6', '44+12=56'] Exploring Operation: 6+56=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[22, 28, 44, 12], Operations: [] Exploring Operation: 44/22=2, Resulting Numbers: [28, 12, 2] Generated Node #0,0: 62:[28, 12, 2] Operation: 44/22=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[28, 12, 2], Operations: ['44/22=2'] Exploring Operation: 12/2=6, Resulting Numbers: [28, 6] Generated Node #0,0,0: 62:[28, 6] Operation: 12/2=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[28, 6], Operations: ['44/22=2', '12/2=6'] Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 14, 94, 90, 81 ]
99
[ "14+94=108", "90-81=9", "108-9=99" ]
Current State: 99:[14, 94, 90, 81], Operations: [] Exploring Operation: 14+94=108, Resulting Numbers: [90, 81, 108] Generated Node #2: [90, 81, 108] from Operation: 14+94=108 Current State: 99:[90, 81, 108], Operations: ['14+94=108'] Exploring Operation: 90-81=9, Resulting Numbers: [108, 9] Generated Node #3: [108, 9] from Operation: 90-81=9 Current State: 99:[108, 9], Operations: ['14+94=108', '90-81=9'] Exploring Operation: 108-9=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[14, 94, 90, 81], Operations: [] Exploring Operation: 14+90=104, Resulting Numbers: [94, 81, 104] Generated Node #0,0: 99:[94, 81, 104] Operation: 14+90=104 Exploring Operation: 90-81=9, Resulting Numbers: [14, 94, 9] Generated Node #0,1: 99:[14, 94, 9] Operation: 90-81=9 Exploring Operation: 94-90=4, Resulting Numbers: [14, 81, 4] Generated Node #0,2: 99:[14, 81, 4] Operation: 94-90=4 Exploring Operation: 14+81=95, Resulting Numbers: [94, 90, 95] Generated Node #0,3: 99:[94, 90, 95] Operation: 14+81=95 Exploring Operation: 94-81=13, Resulting Numbers: [14, 90, 13] Generated Node #0,4: 99:[14, 90, 13] Operation: 94-81=13 Moving to Node #0,1 Current State: 99:[14, 94, 9], Operations: ['90-81=9'] Exploring Operation: 94+9=103, Resulting Numbers: [14, 103] Generated Node #0,1,0: 99:[14, 103] Operation: 94+9=103 Exploring Operation: 14+94=108, Resulting Numbers: [9, 108] Generated Node #0,1,1: 99:[9, 108] Operation: 14+94=108 Exploring Operation: 94-9=85, Resulting Numbers: [14, 85] Generated Node #0,1,2: 99:[14, 85] Operation: 94-9=85 Exploring Operation: 14-9=5, Resulting Numbers: [94, 5] Generated Node #0,1,3: 99:[94, 5] Operation: 14-9=5 Exploring Operation: 14+9=23, Resulting Numbers: [94, 23] Generated Node #0,1,4: 99:[94, 23] Operation: 14+9=23 Moving to Node #0,4 Current State: 99:[14, 90, 13], Operations: ['94-81=13'] Exploring Operation: 90+13=103, Resulting Numbers: [14, 103] Generated Node #0,4,0: 99:[14, 103] Operation: 90+13=103 Exploring Operation: 14+90=104, Resulting Numbers: [13, 104] Generated Node #0,4,1: 99:[13, 104] Operation: 14+90=104 Exploring Operation: 90-14=76, Resulting Numbers: [13, 76] Generated Node #0,4,2: 99:[13, 76] Operation: 90-14=76 Exploring Operation: 14-13=1, Resulting Numbers: [90, 1] Generated Node #0,4,3: 99:[90, 1] Operation: 14-13=1 Exploring Operation: 14+13=27, Resulting Numbers: [90, 27] Generated Node #0,4,4: 99:[90, 27] Operation: 14+13=27 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 99:[14, 103], Operations: ['94-81=13', '90+13=103'] Exploring Operation: 103-14=89, Resulting Numbers: [89] 89,99 unequal: No Solution Exploring Operation: 14*103=1442, Resulting Numbers: [1442] 1442,99 unequal: No Solution Exploring Operation: 14+103=117, Resulting Numbers: [117] 117,99 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 #0,4,1 Current State: 99:[13, 104], Operations: ['94-81=13', '14+90=104'] Exploring Operation: 13*104=1352, Resulting Numbers: [1352] 1352,99 unequal: No Solution Exploring Operation: 104/13=8, Resulting Numbers: [8] 8,99 unequal: No Solution Exploring Operation: 13+104=117, Resulting Numbers: [117] 117,99 unequal: No Solution Exploring Operation: 104-13=91, Resulting Numbers: [91] 91,99 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 #0,4,3 Current State: 99:[90, 1], Operations: ['94-81=13', '14-13=1'] Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,99 unequal: No Solution Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,99 unequal: No Solution Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,99 unequal: No Solution Exploring Operation: 90*1=90, Resulting Numbers: [90] 90,99 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 #0,4,4 Current State: 99:[90, 27], Operations: ['94-81=13', '14+13=27'] Exploring Operation: 90*27=2430, Resulting Numbers: [2430] 2430,99 unequal: No Solution Exploring Operation: 90-27=63, Resulting Numbers: [63] 63,99 unequal: No Solution Exploring Operation: 90+27=117, Resulting Numbers: [117] 117,99 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 #0,4,2 Current State: 99:[13, 76], Operations: ['94-81=13', '90-14=76'] Exploring Operation: 13*76=988, Resulting Numbers: [988] 988,99 unequal: No Solution Exploring Operation: 76-13=63, Resulting Numbers: [63] 63,99 unequal: No Solution Exploring Operation: 13+76=89, Resulting Numbers: [89] 89,99 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: 99:[94, 90, 95], Operations: ['14+81=95'] Exploring Operation: 90+95=185, Resulting Numbers: [94, 185] Generated Node #0,3,0: 99:[94, 185] Operation: 90+95=185 Exploring Operation: 95-94=1, Resulting Numbers: [90, 1] Generated Node #0,3,1: 99:[90, 1] Operation: 95-94=1 Exploring Operation: 94+90=184, Resulting Numbers: [95, 184] Generated Node #0,3,2: 99:[95, 184] Operation: 94+90=184 Exploring Operation: 94-90=4, Resulting Numbers: [95, 4] Generated Node #0,3,3: 99:[95, 4] Operation: 94-90=4 Exploring Operation: 95-90=5, Resulting Numbers: [94, 5] Generated Node #0,3,4: 99:[94, 5] Operation: 95-90=5 Moving to Node #0,2 Current State: 99:[14, 81, 4], Operations: ['94-90=4'] Exploring Operation: 81+4=85, Resulting Numbers: [14, 85] Generated Node #0,2,0: 99:[14, 85] Operation: 81+4=85 Exploring Operation: 14+4=18, Resulting Numbers: [81, 18] Generated Node #0,2,1: 99:[81, 18] Operation: 14+4=18 Exploring Operation: 81-4=77, Resulting Numbers: [14, 77] Generated Node #0,2,2: 99:[14, 77] Operation: 81-4=77 Exploring Operation: 14-4=10, Resulting Numbers: [81, 10] Generated Node #0,2,3: 99:[81, 10] Operation: 14-4=10 Exploring Operation: 14+81=95, Resulting Numbers: [4, 95] Generated Node #0,2,4: 99:[4, 95] Operation: 14+81=95 Moving to Node #0,0 Current State: 99:[94, 81, 104], Operations: ['14+90=104'] Exploring Operation: 104-81=23, Resulting Numbers: [94, 23] Generated Node #0,0,0: 99:[94, 23] Operation: 104-81=23 Exploring Operation: 104-94=10, Resulting Numbers: [81, 10] Generated Node #0,0,1: 99:[81, 10] Operation: 104-94=10 Exploring Operation: 94+81=175, Resulting Numbers: [104, 175] Generated Node #0,0,2: 99:[104, 175] Operation: 94+81=175 Exploring Operation: 94-81=13, Resulting Numbers: [104, 13] Generated Node #0,0,3: 99:[104, 13] Operation: 94-81=13 Exploring Operation: 81+104=185, Resulting Numbers: [94, 185] Generated Node #0,0,4: 99:[94, 185] Operation: 81+104=185 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 99:[104, 13], Operations: ['14+90=104', '94-81=13'] Exploring Operation: 104+13=117, Resulting Numbers: [117] 117,99 unequal: No Solution Exploring Operation: 104-13=91, Resulting Numbers: [91] 91,99 unequal: No Solution Exploring Operation: 104*13=1352, Resulting Numbers: [1352] 1352,99 unequal: No Solution Exploring Operation: 104/13=8, Resulting Numbers: [8] 8,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[94, 23], Operations: ['14+90=104', '104-81=23'] Exploring Operation: 94-23=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 94*23=2162, Resulting Numbers: [2162] 2162,99 unequal: No Solution Exploring Operation: 94+23=117, Resulting Numbers: [117] 117,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[81, 10], Operations: ['14+90=104', '104-94=10'] Exploring Operation: 81*10=810, Resulting Numbers: [810] 810,99 unequal: No Solution Exploring Operation: 81+10=91, Resulting Numbers: [91] 91,99 unequal: No Solution Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 99:[104, 175], Operations: ['14+90=104', '94+81=175'] Exploring Operation: 104+175=279, Resulting Numbers: [279] 279,99 unequal: No Solution Exploring Operation: 175-104=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 104*175=18200, Resulting Numbers: [18200] 18200,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 99:[94, 185], Operations: ['14+90=104', '81+104=185'] Exploring Operation: 185-94=91, Resulting Numbers: [91] 91,99 unequal: No Solution Exploring Operation: 94*185=17390, Resulting Numbers: [17390] 17390,99 unequal: No Solution Exploring Operation: 94+185=279, Resulting Numbers: [279] 279,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 99:[95, 4], Operations: ['14+81=95', '94-90=4'] Exploring Operation: 95*4=380, Resulting Numbers: [380] 380,99 unequal: No Solution Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[14, 94, 90, 81], Operations: [] Exploring Operation: 14+81=95, Resulting Numbers: [94, 90, 95] Generated Node #0,3: 99:[94, 90, 95] Operation: 14+81=95 Moving to Node #0,3 Current State: 99:[94, 90, 95], Operations: ['14+81=95'] Exploring Operation: 94-90=4, Resulting Numbers: [95, 4] Generated Node #0,3,3: 99:[95, 4] Operation: 94-90=4 Moving to Node #0,3,3 Current State: 99:[95, 4], Operations: ['14+81=95', '94-90=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
0.940104
hs_5
mult_heuristic
[ 58, 4, 11, 71 ]
41
[ "71-58=13", "4*13=52", "52-11=41" ]
Current State: 41:[58, 4, 11, 71], Operations: [] Exploring Operation: 71-58=13, Resulting Numbers: [4, 11, 13] Generated Node #2: [4, 11, 13] from Operation: 71-58=13 Current State: 41:[4, 11, 13], Operations: ['71-58=13'] Exploring Operation: 4*13=52, Resulting Numbers: [11, 52] Generated Node #3: [11, 52] from Operation: 4*13=52 Current State: 41:[11, 52], Operations: ['71-58=13', '4*13=52'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[58, 4, 11, 71], Operations: [] Exploring Operation: 4*11=44, Resulting Numbers: [58, 71, 44] Generated Node #0,0: 41:[58, 71, 44] Operation: 4*11=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[58, 71, 44], Operations: ['4*11=44'] Exploring Operation: 71-58=13, Resulting Numbers: [44, 13] Generated Node #0,0,0: 41:[44, 13] Operation: 71-58=13 Moving to Node #0,0,0 Current State: 41:[44, 13], Operations: ['4*11=44', '71-58=13'] Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,41 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
[ 68, 48, 25, 44 ]
55
[ "68-48=20", "25*44=1100", "1100/20=55" ]
Current State: 55:[68, 48, 25, 44], Operations: [] Exploring Operation: 68-48=20, Resulting Numbers: [25, 44, 20] Generated Node #2: [25, 44, 20] from Operation: 68-48=20 Current State: 55:[25, 44, 20], Operations: ['68-48=20'] Exploring Operation: 25*44=1100, Resulting Numbers: [20, 1100] Generated Node #3: [20, 1100] from Operation: 25*44=1100 Current State: 55:[20, 1100], Operations: ['68-48=20', '25*44=1100'] Exploring Operation: 1100/20=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[68, 48, 25, 44], Operations: [] Exploring Operation: 44-25=19, Resulting Numbers: [68, 48, 19] Generated Node #0,0: 55:[68, 48, 19] Operation: 44-25=19 Exploring Operation: 68-48=20, Resulting Numbers: [25, 44, 20] Generated Node #0,1: 55:[25, 44, 20] Operation: 68-48=20 Exploring Operation: 48-44=4, Resulting Numbers: [68, 25, 4] Generated Node #0,2: 55:[68, 25, 4] Operation: 48-44=4 Exploring Operation: 68-44=24, Resulting Numbers: [48, 25, 24] Generated Node #0,3: 55:[48, 25, 24] Operation: 68-44=24 Exploring Operation: 68-25=43, Resulting Numbers: [48, 44, 43] Generated Node #0,4: 55:[48, 44, 43] Operation: 68-25=43 Moving to Node #0,0 Current State: 55:[68, 48, 19], Operations: ['44-25=19'] Exploring Operation: 68-48=20, Resulting Numbers: [19, 20] Generated Node #0,0,0: 55:[19, 20] Operation: 68-48=20 Exploring Operation: 68+19=87, Resulting Numbers: [48, 87] Generated Node #0,0,1: 55:[48, 87] Operation: 68+19=87 Exploring Operation: 68-19=49, Resulting Numbers: [48, 49] Generated Node #0,0,2: 55:[48, 49] Operation: 68-19=49 Exploring Operation: 48-19=29, Resulting Numbers: [68, 29] Generated Node #0,0,3: 55:[68, 29] Operation: 48-19=29 Exploring Operation: 48+19=67, Resulting Numbers: [68, 67] Generated Node #0,0,4: 55:[68, 67] Operation: 48+19=67 Moving to Node #0,2 Current State: 55:[68, 25, 4], Operations: ['48-44=4'] Exploring Operation: 68/4=17, Resulting Numbers: [25, 17] Generated Node #0,2,0: 55:[25, 17] Operation: 68/4=17 Exploring Operation: 68-4=64, Resulting Numbers: [25, 64] Generated Node #0,2,1: 55:[25, 64] Operation: 68-4=64 Exploring Operation: 25-4=21, Resulting Numbers: [68, 21] Generated Node #0,2,2: 55:[68, 21] Operation: 25-4=21 Exploring Operation: 68-25=43, Resulting Numbers: [4, 43] Generated Node #0,2,3: 55:[4, 43] Operation: 68-25=43 Exploring Operation: 68+4=72, Resulting Numbers: [25, 72] Generated Node #0,2,4: 55:[25, 72] Operation: 68+4=72 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 55:[4, 43], Operations: ['48-44=4', '68-25=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,55 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 55:[25, 17], Operations: ['48-44=4', '68/4=17'] Exploring Operation: 25*17=425, Resulting Numbers: [425] 425,55 unequal: No Solution Exploring Operation: 25+17=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 55:[25, 64], Operations: ['48-44=4', '68-4=64'] Exploring Operation: 25*64=1600, Resulting Numbers: [1600] 1600,55 unequal: No Solution Exploring Operation: 64-25=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 25+64=89, Resulting Numbers: [89] 89,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 55:[68, 21], Operations: ['48-44=4', '25-4=21'] Exploring Operation: 68+21=89, Resulting Numbers: [89] 89,55 unequal: No Solution Exploring Operation: 68*21=1428, Resulting Numbers: [1428] 1428,55 unequal: No Solution Exploring Operation: 68-21=47, Resulting Numbers: [47] 47,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 55:[25, 72], Operations: ['48-44=4', '68+4=72'] Exploring Operation: 25*72=1800, Resulting Numbers: [1800] 1800,55 unequal: No Solution Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,55 unequal: No Solution Exploring Operation: 25+72=97, Resulting Numbers: [97] 97,55 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: 55:[48, 44, 43], Operations: ['68-25=43'] Exploring Operation: 48-44=4, Resulting Numbers: [43, 4] Generated Node #0,4,0: 55:[43, 4] Operation: 48-44=4 Exploring Operation: 48-43=5, Resulting Numbers: [44, 5] Generated Node #0,4,1: 55:[44, 5] Operation: 48-43=5 Exploring Operation: 44+43=87, Resulting Numbers: [48, 87] Generated Node #0,4,2: 55:[48, 87] Operation: 44+43=87 Exploring Operation: 48+43=91, Resulting Numbers: [44, 91] Generated Node #0,4,3: 55:[44, 91] Operation: 48+43=91 Exploring Operation: 44-43=1, Resulting Numbers: [48, 1] Generated Node #0,4,4: 55:[48, 1] Operation: 44-43=1 Moving to Node #0,1 Current State: 55:[25, 44, 20], Operations: ['68-48=20'] Exploring Operation: 25-20=5, Resulting Numbers: [44, 5] Generated Node #0,1,0: 55:[44, 5] Operation: 25-20=5 Exploring Operation: 25+20=45, Resulting Numbers: [44, 45] Generated Node #0,1,1: 55:[44, 45] Operation: 25+20=45 Exploring Operation: 25+44=69, Resulting Numbers: [20, 69] Generated Node #0,1,2: 55:[20, 69] Operation: 25+44=69 Exploring Operation: 44+20=64, Resulting Numbers: [25, 64] Generated Node #0,1,3: 55:[25, 64] Operation: 44+20=64 Exploring Operation: 44-25=19, Resulting Numbers: [20, 19] Generated Node #0,1,4: 55:[20, 19] Operation: 44-25=19 Moving to Node #0,3 Current State: 55:[48, 25, 24], Operations: ['68-44=24'] Exploring Operation: 48-25=23, Resulting Numbers: [24, 23] Generated Node #0,3,0: 55:[24, 23] Operation: 48-25=23 Exploring Operation: 25-24=1, Resulting Numbers: [48, 1] Generated Node #0,3,1: 55:[48, 1] Operation: 25-24=1 Exploring Operation: 25+24=49, Resulting Numbers: [48, 49] Generated Node #0,3,2: 55:[48, 49] Operation: 25+24=49 Exploring Operation: 48/24=2, Resulting Numbers: [25, 2] Generated Node #0,3,3: 55:[25, 2] Operation: 48/24=2 Exploring Operation: 48-24=24, Resulting Numbers: [25, 24] Generated Node #0,3,4: 55:[25, 24] Operation: 48-24=24 Moving to Node #0,4,1 Current State: 55:[44, 5], Operations: ['68-25=43', '48-43=5'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,55 unequal: No Solution Moving to Node #0,4,4 Current State: 55:[48, 1], Operations: ['68-25=43', '44-43=1'] Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[44, 5], Operations: ['68-48=20', '25-20=5'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,55 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,55 unequal: No Solution Moving to Node #0,3,1 Current State: 55:[48, 1], Operations: ['68-44=24', '25-24=1'] Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[48, 49], Operations: ['44-25=19', '68-19=49'] Exploring Operation: 48+49=97, Resulting Numbers: [97] 97,55 unequal: No Solution Exploring Operation: 48*49=2352, Resulting Numbers: [2352] 2352,55 unequal: No Solution Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,55 unequal: No Solution Moving to Node #0,4,0 Current State: 55:[43, 4], Operations: ['68-25=43', '48-44=4'] Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,55 unequal: No Solution Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,55 unequal: No Solution Moving to Node #0,3,2 Current State: 55:[48, 49], Operations: ['68-44=24', '25+24=49'] Exploring Operation: 48*49=2352, Resulting Numbers: [2352] 2352,55 unequal: No Solution Exploring Operation: 48+49=97, Resulting Numbers: [97] 97,55 unequal: No Solution Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,55 unequal: No Solution Moving to Node #0,1,4 Current State: 55:[20, 19], Operations: ['68-48=20', '44-25=19'] Exploring Operation: 20+19=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 20*19=380, Resulting Numbers: [380] 380,55 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,55 unequal: No Solution Moving to Node #0,3,3 Current State: 55:[25, 2], Operations: ['68-44=24', '48/24=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,55 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,55 unequal: No Solution Moving to Node #0,0,0 Current State: 55:[19, 20], Operations: ['44-25=19', '68-48=20'] Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,55 unequal: No Solution Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[44, 45], Operations: ['68-48=20', '25+20=45'] Exploring Operation: 44+45=89, Resulting Numbers: [89] 89,55 unequal: No Solution Exploring Operation: 45-44=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 44*45=1980, Resulting Numbers: [1980] 1980,55 unequal: No Solution Moving to Node #0,1,3 Current State: 55:[25, 64], Operations: ['68-48=20', '44+20=64'] Exploring Operation: 25*64=1600, Resulting Numbers: [1600] 1600,55 unequal: No Solution Exploring Operation: 25+64=89, Resulting Numbers: [89] 89,55 unequal: No Solution Exploring Operation: 64-25=39, Resulting Numbers: [39] 39,55 unequal: No Solution Moving to Node #0,1,2 Current State: 55:[20, 69], Operations: ['68-48=20', '25+44=69'] Exploring Operation: 69-20=49, Resulting Numbers: [49] 49,55 unequal: No Solution Exploring Operation: 20+69=89, Resulting Numbers: [89] 89,55 unequal: No Solution Exploring Operation: 20*69=1380, Resulting Numbers: [1380] 1380,55 unequal: No Solution Moving to Node #0,3,0 Current State: 55:[24, 23], Operations: ['68-44=24', '48-25=23'] Exploring Operation: 24*23=552, Resulting Numbers: [552] 552,55 unequal: No Solution Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 24+23=47, Resulting Numbers: [47] 47,55 unequal: No Solution Moving to Node #0,0,4 Current State: 55:[68, 67], Operations: ['44-25=19', '48+19=67'] Exploring Operation: 68-67=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 68*67=4556, Resulting Numbers: [4556] 4556,55 unequal: No Solution Exploring Operation: 68+67=135, Resulting Numbers: [135] 135,55 unequal: No Solution Moving to Node #0,3,4 Current State: 55:[25, 24], Operations: ['68-44=24', '48-24=24'] Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,55 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,55 unequal: No Solution Moving to Node #0,0,3 Current State: 55:[68, 29], Operations: ['44-25=19', '48-19=29'] Exploring Operation: 68*29=1972, Resulting Numbers: [1972] 1972,55 unequal: No Solution Exploring Operation: 68-29=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 68+29=97, Resulting Numbers: [97] 97,55 unequal: No Solution Moving to Node #0,4,2 Current State: 55:[48, 87], Operations: ['68-25=43', '44+43=87'] Exploring Operation: 48*87=4176, Resulting Numbers: [4176] 4176,55 unequal: No Solution Exploring Operation: 87-48=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 48+87=135, Resulting Numbers: [135] 135,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[48, 87], Operations: ['44-25=19', '68+19=87'] Exploring Operation: 48+87=135, Resulting Numbers: [135] 135,55 unequal: No Solution Exploring Operation: 87-48=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 48*87=4176, Resulting Numbers: [4176] 4176,55 unequal: No Solution Moving to Node #0,4,3 Current State: 55:[44, 91], Operations: ['68-25=43', '48+43=91'] Exploring Operation: 44+91=135, Resulting Numbers: [135] 135,55 unequal: No Solution Exploring Operation: 44*91=4004, Resulting Numbers: [4004] 4004,55 unequal: No Solution Exploring Operation: 91-44=47, Resulting Numbers: [47] 47,55 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 11, 59, 12, 71 ]
10
[ "59+12=71", "71/71=1", "11-1=10" ]
Current State: 10:[11, 59, 12, 71], Operations: [] Exploring Operation: 59+12=71, Resulting Numbers: [11, 71, 71] Generated Node #2: [11, 71, 71] from Operation: 59+12=71 Current State: 10:[11, 71, 71], Operations: ['59+12=71'] Exploring Operation: 71/71=1, Resulting Numbers: [11, 1] Generated Node #3: [11, 1] from Operation: 71/71=1 Current State: 10:[11, 1], Operations: ['59+12=71', '71/71=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[11, 59, 12, 71], Operations: [] Exploring Operation: 59-12=47, Resulting Numbers: [11, 71, 47] Generated Node #0,0: 10:[11, 71, 47] Operation: 59-12=47 Exploring Operation: 59-11=48, Resulting Numbers: [12, 71, 48] Generated Node #0,1: 10:[12, 71, 48] Operation: 59-11=48 Exploring Operation: 71-11=60, Resulting Numbers: [59, 12, 60] Generated Node #0,2: 10:[59, 12, 60] Operation: 71-11=60 Exploring Operation: 71-59=12, Resulting Numbers: [11, 12, 12] Generated Node #0,3: 10:[11, 12, 12] Operation: 71-59=12 Exploring Operation: 71-12=59, Resulting Numbers: [11, 59, 59] Generated Node #0,4: 10:[11, 59, 59] Operation: 71-12=59 Start Sub Search at level 1: Moving to Node #0,3 Current State: 10:[11, 12, 12], Operations: ['71-59=12'] Exploring Operation: 12-11=1, Resulting Numbers: [12, 1] Generated Node #0,3,0: 10:[12, 1] Operation: 12-11=1 Exploring Operation: 12/12=1, Resulting Numbers: [11, 1] Generated Node #0,3,1: 10:[11, 1] Operation: 12/12=1 Exploring Operation: 12-12=0, Resulting Numbers: [11, 0] Generated Node #0,3,2: 10:[11, 0] Operation: 12-12=0 Exploring Operation: 11+12=23, Resulting Numbers: [12, 23] Generated Node #0,3,3: 10:[12, 23] Operation: 11+12=23 Exploring Operation: 12-11=1, Resulting Numbers: [12, 1] Generated Node #0,3,4: 10:[12, 1] Operation: 12-11=1 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 10:[11, 1], Operations: ['71-59=12', '12/12=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,10 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[11, 59, 12, 71], Operations: [] Exploring Operation: 71-59=12, Resulting Numbers: [11, 12, 12] Generated Node #0,3: 10:[11, 12, 12] Operation: 71-59=12 Moving to Node #0,3 Current State: 10:[11, 12, 12], Operations: ['71-59=12'] Exploring Operation: 12/12=1, Resulting Numbers: [11, 1] Generated Node #0,3,1: 10:[11, 1] Operation: 12/12=1 Moving to Node #0,3,1 Current State: 10:[11, 1], Operations: ['71-59=12', '12/12=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 18, 3, 53, 17 ]
49
[ "18+3=21", "53+17=70", "70-21=49" ]
Current State: 49:[18, 3, 53, 17], Operations: [] Exploring Operation: 18+3=21, Resulting Numbers: [53, 17, 21] Generated Node #2: [53, 17, 21] from Operation: 18+3=21 Current State: 49:[53, 17, 21], Operations: ['18+3=21'] Exploring Operation: 53+17=70, Resulting Numbers: [21, 70] Generated Node #3: [21, 70] from Operation: 53+17=70 Current State: 49:[21, 70], Operations: ['18+3=21', '53+17=70'] Exploring Operation: 70-21=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[18, 3, 53, 17], Operations: [] Exploring Operation: 3*17=51, Resulting Numbers: [18, 53, 51] Generated Node #0,0: 49:[18, 53, 51] Operation: 3*17=51 Exploring Operation: 18-17=1, Resulting Numbers: [3, 53, 1] Generated Node #0,1: 49:[3, 53, 1] Operation: 18-17=1 Exploring Operation: 18*3=54, Resulting Numbers: [53, 17, 54] Generated Node #0,2: 49:[53, 17, 54] Operation: 18*3=54 Exploring Operation: 18-3=15, Resulting Numbers: [53, 17, 15] Generated Node #0,3: 49:[53, 17, 15] Operation: 18-3=15 Exploring Operation: 18/3=6, Resulting Numbers: [53, 17, 6] Generated Node #0,4: 49:[53, 17, 6] Operation: 18/3=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[3, 53, 1], Operations: ['18-17=1'] Exploring Operation: 53-3=50, Resulting Numbers: [1, 50] Generated Node #0,1,0: 49:[1, 50] Operation: 53-3=50 Exploring Operation: 53-1=52, Resulting Numbers: [3, 52] Generated Node #0,1,1: 49:[3, 52] Operation: 53-1=52 Exploring Operation: 3+1=4, Resulting Numbers: [53, 4] Generated Node #0,1,2: 49:[53, 4] Operation: 3+1=4 Exploring Operation: 3*1=3, Resulting Numbers: [53, 3] Generated Node #0,1,3: 49:[53, 3] Operation: 3*1=3 Exploring Operation: 3/1=3, Resulting Numbers: [53, 3] Generated Node #0,1,4: 49:[53, 3] Operation: 3/1=3 Moving to Node #0,1,0 Current State: 49:[1, 50], Operations: ['18-17=1', '53-3=50'] Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[18, 3, 53, 17], Operations: [] Exploring Operation: 18-17=1, Resulting Numbers: [3, 53, 1] Generated Node #0,1: 49:[3, 53, 1] Operation: 18-17=1 Moving to Node #0,1 Current State: 49:[3, 53, 1], Operations: ['18-17=1'] Exploring Operation: 53-3=50, Resulting Numbers: [1, 50] Generated Node #0,1,0: 49:[1, 50] Operation: 53-3=50 Moving to Node #0,1,0 Current State: 49:[1, 50], Operations: ['18-17=1', '53-3=50'] Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 75, 3, 67, 86 ]
97
[ "75+3=78", "86-67=19", "78+19=97" ]
Current State: 97:[75, 3, 67, 86], Operations: [] Exploring Operation: 75+3=78, Resulting Numbers: [67, 86, 78] Generated Node #2: [67, 86, 78] from Operation: 75+3=78 Current State: 97:[67, 86, 78], Operations: ['75+3=78'] Exploring Operation: 86-67=19, Resulting Numbers: [78, 19] Generated Node #3: [78, 19] from Operation: 86-67=19 Current State: 97:[78, 19], Operations: ['75+3=78', '86-67=19'] Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[75, 3, 67, 86], Operations: [] Exploring Operation: 3+86=89, Resulting Numbers: [75, 67, 89] Generated Node #0,0: 97:[75, 67, 89] Operation: 3+86=89 Exploring Operation: 3+67=70, Resulting Numbers: [75, 86, 70] Generated Node #0,1: 97:[75, 86, 70] Operation: 3+67=70 Exploring Operation: 75-3=72, Resulting Numbers: [67, 86, 72] Generated Node #0,2: 97:[67, 86, 72] Operation: 75-3=72 Exploring Operation: 75+3=78, Resulting Numbers: [67, 86, 78] Generated Node #0,3: 97:[67, 86, 78] Operation: 75+3=78 Moving to Node #0,0 Current State: 97:[75, 67, 89], Operations: ['3+86=89'] Exploring Operation: 75+67=142, Resulting Numbers: [89, 142] Generated Node #0,0,0: 97:[89, 142] Operation: 75+67=142 Exploring Operation: 75-67=8, Resulting Numbers: [89, 8] Generated Node #0,0,1: 97:[89, 8] Operation: 75-67=8 Exploring Operation: 75+89=164, Resulting Numbers: [67, 164] Generated Node #0,0,2: 97:[67, 164] Operation: 75+89=164 Exploring Operation: 67+89=156, Resulting Numbers: [75, 156] Generated Node #0,0,3: 97:[75, 156] Operation: 67+89=156 Moving to Node #0,3 Current State: 97:[67, 86, 78], Operations: ['75+3=78'] Exploring Operation: 67+86=153, Resulting Numbers: [78, 153] Generated Node #0,3,0: 97:[78, 153] Operation: 67+86=153 Exploring Operation: 78-67=11, Resulting Numbers: [86, 11] Generated Node #0,3,1: 97:[86, 11] Operation: 78-67=11 Exploring Operation: 67+78=145, Resulting Numbers: [86, 145] Generated Node #0,3,2: 97:[86, 145] Operation: 67+78=145 Exploring Operation: 86-67=19, Resulting Numbers: [78, 19] Generated Node #0,3,3: 97:[78, 19] Operation: 86-67=19 Moving to Node #0,1 Current State: 97:[75, 86, 70], Operations: ['3+67=70'] Exploring Operation: 86+70=156, Resulting Numbers: [75, 156] Generated Node #0,1,0: 97:[75, 156] Operation: 86+70=156 Exploring Operation: 75+86=161, Resulting Numbers: [70, 161] Generated Node #0,1,1: 97:[70, 161] Operation: 75+86=161 Exploring Operation: 75-70=5, Resulting Numbers: [86, 5] Generated Node #0,1,2: 97:[86, 5] Operation: 75-70=5 Exploring Operation: 75+70=145, Resulting Numbers: [86, 145] Generated Node #0,1,3: 97:[86, 145] Operation: 75+70=145 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 97:[86, 145], Operations: ['3+67=70', '75+70=145'] Exploring Operation: 86+145=231, Resulting Numbers: [231] 231,97 unequal: No Solution Exploring Operation: 145-86=59, Resulting Numbers: [59] 59,97 unequal: No Solution Exploring Operation: 86*145=12470, Resulting Numbers: [12470] 12470,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[75, 156], Operations: ['3+67=70', '86+70=156'] Exploring Operation: 75+156=231, Resulting Numbers: [231] 231,97 unequal: No Solution Exploring Operation: 75*156=11700, Resulting Numbers: [11700] 11700,97 unequal: No Solution Exploring Operation: 156-75=81, Resulting Numbers: [81] 81,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[70, 161], Operations: ['3+67=70', '75+86=161'] Exploring Operation: 70+161=231, Resulting Numbers: [231] 231,97 unequal: No Solution Exploring Operation: 161-70=91, Resulting Numbers: [91] 91,97 unequal: No Solution Exploring Operation: 70*161=11270, Resulting Numbers: [11270] 11270,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[86, 5], Operations: ['3+67=70', '75-70=5'] Exploring Operation: 86-5=81, Resulting Numbers: [81] 81,97 unequal: No Solution Exploring Operation: 86*5=430, Resulting Numbers: [430] 430,97 unequal: No Solution Exploring Operation: 86+5=91, Resulting Numbers: [91] 91,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 97:[67, 86, 72], Operations: ['75-3=72'] Exploring Operation: 67+72=139, Resulting Numbers: [86, 139] Generated Node #0,2,0: 97:[86, 139] Operation: 67+72=139 Exploring Operation: 86-67=19, Resulting Numbers: [72, 19] Generated Node #0,2,1: 97:[72, 19] Operation: 86-67=19 Exploring Operation: 86+72=158, Resulting Numbers: [67, 158] Generated Node #0,2,2: 97:[67, 158] Operation: 86+72=158 Exploring Operation: 67+86=153, Resulting Numbers: [72, 153] Generated Node #0,2,3: 97:[72, 153] Operation: 67+86=153 Moving to Node #0,0,0 Current State: 97:[89, 142], Operations: ['3+86=89', '75+67=142'] Exploring Operation: 89+142=231, Resulting Numbers: [231] 231,97 unequal: No Solution Exploring Operation: 89*142=12638, Resulting Numbers: [12638] 12638,97 unequal: No Solution Exploring Operation: 142-89=53, Resulting Numbers: [53] 53,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[86, 139], Operations: ['75-3=72', '67+72=139'] Exploring Operation: 86+139=225, Resulting Numbers: [225] 225,97 unequal: No Solution Exploring Operation: 139-86=53, Resulting Numbers: [53] 53,97 unequal: No Solution Exploring Operation: 86*139=11954, Resulting Numbers: [11954] 11954,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[86, 145], Operations: ['75+3=78', '67+78=145'] Exploring Operation: 86+145=231, Resulting Numbers: [231] 231,97 unequal: No Solution Exploring Operation: 86*145=12470, Resulting Numbers: [12470] 12470,97 unequal: No Solution Exploring Operation: 145-86=59, Resulting Numbers: [59] 59,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[78, 153], Operations: ['75+3=78', '67+86=153'] Exploring Operation: 78+153=231, Resulting Numbers: [231] 231,97 unequal: No Solution Exploring Operation: 153-78=75, Resulting Numbers: [75] 75,97 unequal: No Solution Exploring Operation: 78*153=11934, Resulting Numbers: [11934] 11934,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[75, 156], Operations: ['3+86=89', '67+89=156'] Exploring Operation: 75*156=11700, Resulting Numbers: [11700] 11700,97 unequal: No Solution Exploring Operation: 156-75=81, Resulting Numbers: [81] 81,97 unequal: No Solution Exploring Operation: 75+156=231, Resulting Numbers: [231] 231,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[72, 153], Operations: ['75-3=72', '67+86=153'] Exploring Operation: 72+153=225, Resulting Numbers: [225] 225,97 unequal: No Solution Exploring Operation: 72*153=11016, Resulting Numbers: [11016] 11016,97 unequal: No Solution Exploring Operation: 153-72=81, Resulting Numbers: [81] 81,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[67, 158], Operations: ['75-3=72', '86+72=158'] Exploring Operation: 158-67=91, Resulting Numbers: [91] 91,97 unequal: No Solution Exploring Operation: 67+158=225, Resulting Numbers: [225] 225,97 unequal: No Solution Exploring Operation: 67*158=10586, Resulting Numbers: [10586] 10586,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[89, 8], Operations: ['3+86=89', '75-67=8'] Exploring Operation: 89+8=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[75, 3, 67, 86], Operations: [] Exploring Operation: 3+86=89, Resulting Numbers: [75, 67, 89] Generated Node #0,0: 97:[75, 67, 89] Operation: 3+86=89 Moving to Node #0,0 Current State: 97:[75, 67, 89], Operations: ['3+86=89'] Exploring Operation: 75-67=8, Resulting Numbers: [89, 8] Generated Node #0,0,1: 97:[89, 8] Operation: 75-67=8 Moving to Node #0,0,1 Current State: 97:[89, 8], Operations: ['3+86=89', '75-67=8'] Exploring Operation: 89+8=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
0.949653
hs_4
mult_heuristic
[ 48, 58, 60, 69 ]
42
[ "69-48=21", "60-58=2", "21*2=42" ]
Current State: 42:[48, 58, 60, 69], Operations: [] Exploring Operation: 69-48=21, Resulting Numbers: [58, 60, 21] Generated Node #2: [58, 60, 21] from Operation: 69-48=21 Current State: 42:[58, 60, 21], Operations: ['69-48=21'] Exploring Operation: 60-58=2, Resulting Numbers: [21, 2] Generated Node #3: [21, 2] from Operation: 60-58=2 Current State: 42:[21, 2], Operations: ['69-48=21', '60-58=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[48, 58, 60, 69], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [48, 69, 2] Generated Node #0,0: 42:[48, 69, 2] Operation: 60-58=2 Exploring Operation: 69-58=11, Resulting Numbers: [48, 60, 11] Generated Node #0,1: 42:[48, 60, 11] Operation: 69-58=11 Exploring Operation: 69-60=9, Resulting Numbers: [48, 58, 9] Generated Node #0,2: 42:[48, 58, 9] Operation: 69-60=9 Exploring Operation: 69-48=21, Resulting Numbers: [58, 60, 21] Generated Node #0,3: 42:[58, 60, 21] Operation: 69-48=21 Moving to Node #0,2 Current State: 42:[48, 58, 9], Operations: ['69-60=9'] Exploring Operation: 58-9=49, Resulting Numbers: [48, 49] Generated Node #0,2,0: 42:[48, 49] Operation: 58-9=49 Exploring Operation: 48-9=39, Resulting Numbers: [58, 39] Generated Node #0,2,1: 42:[58, 39] Operation: 48-9=39 Exploring Operation: 58-48=10, Resulting Numbers: [9, 10] Generated Node #0,2,2: 42:[9, 10] Operation: 58-48=10 Exploring Operation: 48+9=57, Resulting Numbers: [58, 57] Generated Node #0,2,3: 42:[58, 57] Operation: 48+9=57 Moving to Node #0,1 Current State: 42:[48, 60, 11], Operations: ['69-58=11'] Exploring Operation: 48+11=59, Resulting Numbers: [60, 59] Generated Node #0,1,0: 42:[60, 59] Operation: 48+11=59 Exploring Operation: 60-11=49, Resulting Numbers: [48, 49] Generated Node #0,1,1: 42:[48, 49] Operation: 60-11=49 Exploring Operation: 48-11=37, Resulting Numbers: [60, 37] Generated Node #0,1,2: 42:[60, 37] Operation: 48-11=37 Exploring Operation: 60-48=12, Resulting Numbers: [11, 12] Generated Node #0,1,3: 42:[11, 12] Operation: 60-48=12 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 42:[11, 12], Operations: ['69-58=11', '60-48=12'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,42 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[48, 49], Operations: ['69-58=11', '60-11=49'] Exploring Operation: 48*49=2352, Resulting Numbers: [2352] 2352,42 unequal: No Solution Exploring Operation: 48+49=97, Resulting Numbers: [97] 97,42 unequal: No Solution Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 42:[60, 37], Operations: ['69-58=11', '48-11=37'] Exploring Operation: 60*37=2220, Resulting Numbers: [2220] 2220,42 unequal: No Solution Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 60+37=97, Resulting Numbers: [97] 97,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[60, 59], Operations: ['69-58=11', '48+11=59'] Exploring Operation: 60*59=3540, Resulting Numbers: [3540] 3540,42 unequal: No Solution Exploring Operation: 60-59=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 60+59=119, Resulting Numbers: [119] 119,42 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: 42:[48, 69, 2], Operations: ['60-58=2'] Exploring Operation: 69-48=21, Resulting Numbers: [2, 21] Generated Node #0,0,0: 42:[2, 21] Operation: 69-48=21 Exploring Operation: 48/2=24, Resulting Numbers: [69, 24] Generated Node #0,0,1: 42:[69, 24] Operation: 48/2=24 Exploring Operation: 69-2=67, Resulting Numbers: [48, 67] Generated Node #0,0,2: 42:[48, 67] Operation: 69-2=67 Exploring Operation: 48-2=46, Resulting Numbers: [69, 46] Generated Node #0,0,3: 42:[69, 46] Operation: 48-2=46 Moving to Node #0,3 Current State: 42:[58, 60, 21], Operations: ['69-48=21'] Exploring Operation: 60-21=39, Resulting Numbers: [58, 39] Generated Node #0,3,0: 42:[58, 39] Operation: 60-21=39 Exploring Operation: 58+21=79, Resulting Numbers: [60, 79] Generated Node #0,3,1: 42:[60, 79] Operation: 58+21=79 Exploring Operation: 60-58=2, Resulting Numbers: [21, 2] Generated Node #0,3,2: 42:[21, 2] Operation: 60-58=2 Exploring Operation: 58-21=37, Resulting Numbers: [60, 37] Generated Node #0,3,3: 42:[60, 37] Operation: 58-21=37 Moving to Node #0,0,0 Current State: 42:[2, 21], Operations: ['60-58=2', '69-48=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,42 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[48, 58, 60, 69], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [48, 69, 2] Generated Node #0,0: 42:[48, 69, 2] Operation: 60-58=2 Moving to Node #0,0 Current State: 42:[48, 69, 2], Operations: ['60-58=2'] Exploring Operation: 69-48=21, Resulting Numbers: [2, 21] Generated Node #0,0,0: 42:[2, 21] Operation: 69-48=21 Moving to Node #0,0,0 Current State: 42:[2, 21], Operations: ['60-58=2', '69-48=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
0.967014
hs_4
sum_heuristic
[ 27, 21, 71, 46 ]
91
[ "71+46=117", "21*117=2457", "2457/27=91" ]
Current State: 91:[27, 21, 71, 46], Operations: [] Exploring Operation: 71+46=117, Resulting Numbers: [27, 21, 117] Generated Node #2: [27, 21, 117] from Operation: 71+46=117 Current State: 91:[27, 21, 117], Operations: ['71+46=117'] Exploring Operation: 21*117=2457, Resulting Numbers: [27, 2457] Generated Node #3: [27, 2457] from Operation: 21*117=2457 Current State: 91:[27, 2457], Operations: ['71+46=117', '21*117=2457'] Exploring Operation: 2457/27=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[27, 21, 71, 46], Operations: [] Exploring Operation: 46-27=19, Resulting Numbers: [21, 71, 19] Generated Node #0,0: 91:[21, 71, 19] Operation: 46-27=19 Exploring Operation: 27+71=98, Resulting Numbers: [21, 46, 98] Generated Node #0,1: 91:[21, 46, 98] Operation: 27+71=98 Exploring Operation: 27+46=73, Resulting Numbers: [21, 71, 73] Generated Node #0,2: 91:[21, 71, 73] Operation: 27+46=73 Exploring Operation: 46-21=25, Resulting Numbers: [27, 71, 25] Generated Node #0,3: 91:[27, 71, 25] Operation: 46-21=25 Exploring Operation: 71-46=25, Resulting Numbers: [27, 21, 25] Generated Node #0,4: 91:[27, 21, 25] Operation: 71-46=25 Moving to Node #0,0 Current State: 91:[21, 71, 19], Operations: ['46-27=19'] Exploring Operation: 71+19=90, Resulting Numbers: [21, 90] Generated Node #0,0,0: 91:[21, 90] Operation: 71+19=90 Exploring Operation: 21+19=40, Resulting Numbers: [71, 40] Generated Node #0,0,1: 91:[71, 40] Operation: 21+19=40 Exploring Operation: 71-21=50, Resulting Numbers: [19, 50] Generated Node #0,0,2: 91:[19, 50] Operation: 71-21=50 Exploring Operation: 21+71=92, Resulting Numbers: [19, 92] Generated Node #0,0,3: 91:[19, 92] Operation: 21+71=92 Exploring Operation: 21-19=2, Resulting Numbers: [71, 2] Generated Node #0,0,4: 91:[71, 2] Operation: 21-19=2 Moving to Node #0,4 Current State: 91:[27, 21, 25], Operations: ['71-46=25'] Exploring Operation: 27+25=52, Resulting Numbers: [21, 52] Generated Node #0,4,0: 91:[21, 52] Operation: 27+25=52 Exploring Operation: 27+21=48, Resulting Numbers: [25, 48] Generated Node #0,4,1: 91:[25, 48] Operation: 27+21=48 Exploring Operation: 25-21=4, Resulting Numbers: [27, 4] Generated Node #0,4,2: 91:[27, 4] Operation: 25-21=4 Exploring Operation: 27-21=6, Resulting Numbers: [25, 6] Generated Node #0,4,3: 91:[25, 6] Operation: 27-21=6 Exploring Operation: 27-25=2, Resulting Numbers: [21, 2] Generated Node #0,4,4: 91:[21, 2] Operation: 27-25=2 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 91:[25, 6], Operations: ['71-46=25', '27-21=6'] Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,91 unequal: No Solution Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 91:[21, 2], Operations: ['71-46=25', '27-25=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 91:[27, 4], Operations: ['71-46=25', '25-21=4'] Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 27*4=108, Resulting Numbers: [108] 108,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 91:[21, 52], Operations: ['71-46=25', '27+25=52'] Exploring Operation: 21*52=1092, Resulting Numbers: [1092] 1092,91 unequal: No Solution Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 21+52=73, Resulting Numbers: [73] 73,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 91:[25, 48], Operations: ['71-46=25', '27+21=48'] Exploring Operation: 25+48=73, Resulting Numbers: [73] 73,91 unequal: No Solution Exploring Operation: 48-25=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 25*48=1200, Resulting Numbers: [1200] 1200,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 91:[21, 71, 73], Operations: ['27+46=73'] Exploring Operation: 21+71=92, Resulting Numbers: [73, 92] Generated Node #0,2,0: 91:[73, 92] Operation: 21+71=92 Exploring Operation: 73-71=2, Resulting Numbers: [21, 2] Generated Node #0,2,1: 91:[21, 2] Operation: 73-71=2 Exploring Operation: 73-21=52, Resulting Numbers: [71, 52] Generated Node #0,2,2: 91:[71, 52] Operation: 73-21=52 Exploring Operation: 71-21=50, Resulting Numbers: [73, 50] Generated Node #0,2,3: 91:[73, 50] Operation: 71-21=50 Exploring Operation: 21+73=94, Resulting Numbers: [71, 94] Generated Node #0,2,4: 91:[71, 94] Operation: 21+73=94 Moving to Node #0,3 Current State: 91:[27, 71, 25], Operations: ['46-21=25'] Exploring Operation: 71+25=96, Resulting Numbers: [27, 96] Generated Node #0,3,0: 91:[27, 96] Operation: 71+25=96 Exploring Operation: 27-25=2, Resulting Numbers: [71, 2] Generated Node #0,3,1: 91:[71, 2] Operation: 27-25=2 Exploring Operation: 71-27=44, Resulting Numbers: [25, 44] Generated Node #0,3,2: 91:[25, 44] Operation: 71-27=44 Exploring Operation: 71-25=46, Resulting Numbers: [27, 46] Generated Node #0,3,3: 91:[27, 46] Operation: 71-25=46 Exploring Operation: 27+71=98, Resulting Numbers: [25, 98] Generated Node #0,3,4: 91:[25, 98] Operation: 27+71=98 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 91:[27, 96], Operations: ['46-21=25', '71+25=96'] Exploring Operation: 27+96=123, Resulting Numbers: [123] 123,91 unequal: No Solution Exploring Operation: 96-27=69, Resulting Numbers: [69] 69,91 unequal: No Solution Exploring Operation: 27*96=2592, Resulting Numbers: [2592] 2592,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 91:[25, 98], Operations: ['46-21=25', '27+71=98'] Exploring Operation: 98-25=73, Resulting Numbers: [73] 73,91 unequal: No Solution Exploring Operation: 25+98=123, Resulting Numbers: [123] 123,91 unequal: No Solution Exploring Operation: 25*98=2450, Resulting Numbers: [2450] 2450,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 91:[71, 2], Operations: ['46-21=25', '27-25=2'] Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,91 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,91 unequal: No Solution Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 91:[25, 44], Operations: ['46-21=25', '71-27=44'] Exploring Operation: 25+44=69, Resulting Numbers: [69] 69,91 unequal: No Solution Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 25*44=1100, Resulting Numbers: [1100] 1100,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 91:[27, 46], Operations: ['46-21=25', '71-25=46'] Exploring Operation: 27+46=73, Resulting Numbers: [73] 73,91 unequal: No Solution Exploring Operation: 27*46=1242, Resulting Numbers: [1242] 1242,91 unequal: No Solution Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 91:[21, 46, 98], Operations: ['27+71=98'] Exploring Operation: 98-21=77, Resulting Numbers: [46, 77] Generated Node #0,1,0: 91:[46, 77] Operation: 98-21=77 Exploring Operation: 21+46=67, Resulting Numbers: [98, 67] Generated Node #0,1,1: 91:[98, 67] Operation: 21+46=67 Exploring Operation: 21+98=119, Resulting Numbers: [46, 119] Generated Node #0,1,2: 91:[46, 119] Operation: 21+98=119 Exploring Operation: 46-21=25, Resulting Numbers: [98, 25] Generated Node #0,1,3: 91:[98, 25] Operation: 46-21=25 Exploring Operation: 98-46=52, Resulting Numbers: [21, 52] Generated Node #0,1,4: 91:[21, 52] Operation: 98-46=52 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 91:[98, 25], Operations: ['27+71=98', '46-21=25'] Exploring Operation: 98*25=2450, Resulting Numbers: [2450] 2450,91 unequal: No Solution Exploring Operation: 98+25=123, Resulting Numbers: [123] 123,91 unequal: No Solution Exploring Operation: 98-25=73, Resulting Numbers: [73] 73,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[98, 67], Operations: ['27+71=98', '21+46=67'] Exploring Operation: 98*67=6566, Resulting Numbers: [6566] 6566,91 unequal: No Solution Exploring Operation: 98-67=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 98+67=165, Resulting Numbers: [165] 165,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[46, 77], Operations: ['27+71=98', '98-21=77'] Exploring Operation: 46*77=3542, Resulting Numbers: [3542] 3542,91 unequal: No Solution Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 46+77=123, Resulting Numbers: [123] 123,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 91:[21, 52], Operations: ['27+71=98', '98-46=52'] Exploring Operation: 21+52=73, Resulting Numbers: [73] 73,91 unequal: No Solution Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 21*52=1092, Resulting Numbers: [1092] 1092,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[46, 119], Operations: ['27+71=98', '21+98=119'] Exploring Operation: 46*119=5474, Resulting Numbers: [5474] 5474,91 unequal: No Solution Exploring Operation: 46+119=165, Resulting Numbers: [165] 165,91 unequal: No Solution Exploring Operation: 119-46=73, Resulting Numbers: [73] 73,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 91:[19, 92], Operations: ['46-27=19', '21+71=92'] Exploring Operation: 19*92=1748, Resulting Numbers: [1748] 1748,91 unequal: No Solution Exploring Operation: 92-19=73, Resulting Numbers: [73] 73,91 unequal: No Solution Exploring Operation: 19+92=111, Resulting Numbers: [111] 111,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[21, 90], Operations: ['46-27=19', '71+19=90'] Exploring Operation: 21*90=1890, Resulting Numbers: [1890] 1890,91 unequal: No Solution Exploring Operation: 90-21=69, Resulting Numbers: [69] 69,91 unequal: No Solution Exploring Operation: 21+90=111, Resulting Numbers: [111] 111,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[21, 2], Operations: ['27+46=73', '73-71=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,91 unequal: No Solution Moving to Node #0,2,0 Current State: 91:[73, 92], Operations: ['27+46=73', '21+71=92'] Exploring Operation: 92-73=19, Resulting Numbers: [19] 19,91 unequal: No Solution Exploring Operation: 73*92=6716, Resulting Numbers: [6716] 6716,91 unequal: No Solution Exploring Operation: 73+92=165, Resulting Numbers: [165] 165,91 unequal: No Solution Moving to Node #0,2,4 Current State: 91:[71, 94], Operations: ['27+46=73', '21+73=94'] Exploring Operation: 71*94=6674, Resulting Numbers: [6674] 6674,91 unequal: No Solution Exploring Operation: 71+94=165, Resulting Numbers: [165] 165,91 unequal: No Solution Exploring Operation: 94-71=23, Resulting Numbers: [23] 23,91 unequal: No Solution Moving to Node #0,0,4 Current State: 91:[71, 2], Operations: ['46-27=19', '21-19=2'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,91 unequal: No Solution Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,91 unequal: No Solution Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[19, 50], Operations: ['46-27=19', '71-21=50'] Exploring Operation: 19*50=950, Resulting Numbers: [950] 950,91 unequal: No Solution Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 19+50=69, Resulting Numbers: [69] 69,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[71, 40], Operations: ['46-27=19', '21+19=40'] Exploring Operation: 71+40=111, Resulting Numbers: [111] 111,91 unequal: No Solution Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 71*40=2840, Resulting Numbers: [2840] 2840,91 unequal: No Solution Moving to Node #0,2,3 Current State: 91:[73, 50], Operations: ['27+46=73', '71-21=50'] Exploring Operation: 73-50=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 73+50=123, Resulting Numbers: [123] 123,91 unequal: No Solution Exploring Operation: 73*50=3650, Resulting Numbers: [3650] 3650,91 unequal: No Solution Moving to Node #0,2,2 Current State: 91:[71, 52], Operations: ['27+46=73', '73-21=52'] Exploring Operation: 71*52=3692, Resulting Numbers: [3692] 3692,91 unequal: No Solution Exploring Operation: 71+52=123, Resulting Numbers: [123] 123,91 unequal: No Solution Exploring Operation: 71-52=19, Resulting Numbers: [19] 19,91 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 74, 6, 45, 71 ]
27
[ "74-71=3", "6*3=18", "45-18=27" ]
Current State: 27:[74, 6, 45, 71], Operations: [] Exploring Operation: 74-71=3, Resulting Numbers: [6, 45, 3] Generated Node #2: [6, 45, 3] from Operation: 74-71=3 Current State: 27:[6, 45, 3], Operations: ['74-71=3'] Exploring Operation: 6*3=18, Resulting Numbers: [45, 18] Generated Node #3: [45, 18] from Operation: 6*3=18 Current State: 27:[45, 18], Operations: ['74-71=3', '6*3=18'] Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[74, 6, 45, 71], Operations: [] Exploring Operation: 74-71=3, Resulting Numbers: [6, 45, 3] Generated Node #0,0: 27:[6, 45, 3] Operation: 74-71=3 Moving to Node #0,0 Current State: 27:[6, 45, 3], Operations: ['74-71=3'] Exploring Operation: 45/3=15, Resulting Numbers: [6, 15] Generated Node #0,0,0: 27:[6, 15] Operation: 45/3=15 Moving to Node #0,0,0 Current State: 27:[6, 15], Operations: ['74-71=3', '45/3=15'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,27 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 98, 60, 88, 12 ]
42
[ "98*12=1176", "88-60=28", "1176/28=42" ]
Current State: 42:[98, 60, 88, 12], Operations: [] Exploring Operation: 98*12=1176, Resulting Numbers: [60, 88, 1176] Generated Node #2: [60, 88, 1176] from Operation: 98*12=1176 Current State: 42:[60, 88, 1176], Operations: ['98*12=1176'] Exploring Operation: 88-60=28, Resulting Numbers: [1176, 28] Generated Node #3: [1176, 28] from Operation: 88-60=28 Current State: 42:[1176, 28], Operations: ['98*12=1176', '88-60=28'] Exploring Operation: 1176/28=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[98, 60, 88, 12], Operations: [] Exploring Operation: 88-60=28, Resulting Numbers: [98, 12, 28] Generated Node #0,0: 42:[98, 12, 28] Operation: 88-60=28 Exploring Operation: 98-60=38, Resulting Numbers: [88, 12, 38] Generated Node #0,1: 42:[88, 12, 38] Operation: 98-60=38 Exploring Operation: 60/12=5, Resulting Numbers: [98, 88, 5] Generated Node #0,2: 42:[98, 88, 5] Operation: 60/12=5 Exploring Operation: 98-88=10, Resulting Numbers: [60, 12, 10] Generated Node #0,3: 42:[60, 12, 10] Operation: 98-88=10 Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[60, 12, 10], Operations: ['98-88=10'] Exploring Operation: 60-12=48, Resulting Numbers: [10, 48] Generated Node #0,3,0: 42:[10, 48] Operation: 60-12=48 Exploring Operation: 60/10=6, Resulting Numbers: [12, 6] Generated Node #0,3,1: 42:[12, 6] Operation: 60/10=6 Exploring Operation: 60/12=5, Resulting Numbers: [10, 5] Generated Node #0,3,2: 42:[10, 5] Operation: 60/12=5 Exploring Operation: 60-10=50, Resulting Numbers: [12, 50] Generated Node #0,3,3: 42:[12, 50] Operation: 60-10=50 Moving to Node #0,3,1 Current State: 42:[12, 6], Operations: ['98-88=10', '60/10=6'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,42 unequal: No Solution Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,42 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,42 unequal: No Solution Moving to Node #0,3,2 Current State: 42:[10, 5], Operations: ['98-88=10', '60/12=5'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,42 unequal: No Solution Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,42 unequal: No Solution Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,42 unequal: No Solution Moving to Node #0,3,0 Current State: 42:[10, 48], Operations: ['98-88=10', '60-12=48'] Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 10*48=480, Resulting Numbers: [480] 480,42 unequal: No Solution Exploring Operation: 10+48=58, Resulting Numbers: [58] 58,42 unequal: No Solution Moving to Node #0,3,3 Current State: 42:[12, 50], Operations: ['98-88=10', '60-10=50'] Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,42 unequal: No Solution Exploring Operation: 12*50=600, Resulting Numbers: [600] 600,42 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[88, 12, 38], Operations: ['98-60=38'] Exploring Operation: 88-38=50, Resulting Numbers: [12, 50] Generated Node #0,1,0: 42:[12, 50] Operation: 88-38=50 Exploring Operation: 38-12=26, Resulting Numbers: [88, 26] Generated Node #0,1,1: 42:[88, 26] Operation: 38-12=26 Exploring Operation: 12+38=50, Resulting Numbers: [88, 50] Generated Node #0,1,2: 42:[88, 50] Operation: 12+38=50 Exploring Operation: 88-12=76, Resulting Numbers: [38, 76] Generated Node #0,1,3: 42:[38, 76] Operation: 88-12=76 Moving to Node #0,1,0 Current State: 42:[12, 50], Operations: ['98-60=38', '88-38=50'] Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,42 unequal: No Solution Exploring Operation: 12*50=600, Resulting Numbers: [600] 600,42 unequal: No Solution Moving to Node #0,1,3 Current State: 42:[38, 76], Operations: ['98-60=38', '88-12=76'] Exploring Operation: 76-38=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 38*76=2888, Resulting Numbers: [2888] 2888,42 unequal: No Solution Exploring Operation: 38+76=114, Resulting Numbers: [114] 114,42 unequal: No Solution Exploring Operation: 76/38=2, Resulting Numbers: [2] 2,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[88, 26], Operations: ['98-60=38', '38-12=26'] Exploring Operation: 88*26=2288, Resulting Numbers: [2288] 2288,42 unequal: No Solution Exploring Operation: 88-26=62, Resulting Numbers: [62] 62,42 unequal: No Solution Exploring Operation: 88+26=114, Resulting Numbers: [114] 114,42 unequal: No Solution Moving to Node #0,1,2 Current State: 42:[88, 50], Operations: ['98-60=38', '12+38=50'] Exploring Operation: 88+50=138, Resulting Numbers: [138] 138,42 unequal: No Solution Exploring Operation: 88*50=4400, Resulting Numbers: [4400] 4400,42 unequal: No Solution Exploring Operation: 88-50=38, Resulting Numbers: [38] 38,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[98, 12, 28], Operations: ['88-60=28'] Exploring Operation: 28-12=16, Resulting Numbers: [98, 16] Generated Node #0,0,0: 42:[98, 16] Operation: 28-12=16 Exploring Operation: 12+28=40, Resulting Numbers: [98, 40] Generated Node #0,0,1: 42:[98, 40] Operation: 12+28=40 Exploring Operation: 98-12=86, Resulting Numbers: [28, 86] Generated Node #0,0,2: 42:[28, 86] Operation: 98-12=86 Exploring Operation: 98-28=70, Resulting Numbers: [12, 70] Generated Node #0,0,3: 42:[12, 70] Operation: 98-28=70 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 42:[12, 70], Operations: ['88-60=28', '98-28=70'] Exploring Operation: 12+70=82, Resulting Numbers: [82] 82,42 unequal: No Solution Exploring Operation: 12*70=840, Resulting Numbers: [840] 840,42 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 42:[28, 86], Operations: ['88-60=28', '98-12=86'] Exploring Operation: 28*86=2408, Resulting Numbers: [2408] 2408,42 unequal: No Solution Exploring Operation: 28+86=114, Resulting Numbers: [114] 114,42 unequal: No Solution Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[98, 16], Operations: ['88-60=28', '28-12=16'] Exploring Operation: 98+16=114, Resulting Numbers: [114] 114,42 unequal: No Solution Exploring Operation: 98-16=82, Resulting Numbers: [82] 82,42 unequal: No Solution Exploring Operation: 98*16=1568, Resulting Numbers: [1568] 1568,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[98, 40], Operations: ['88-60=28', '12+28=40'] Exploring Operation: 98*40=3920, Resulting Numbers: [3920] 3920,42 unequal: No Solution Exploring Operation: 98-40=58, Resulting Numbers: [58] 58,42 unequal: No Solution Exploring Operation: 98+40=138, Resulting Numbers: [138] 138,42 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: 42:[98, 88, 5], Operations: ['60/12=5'] Exploring Operation: 98+5=103, Resulting Numbers: [88, 103] Generated Node #0,2,0: 42:[88, 103] Operation: 98+5=103 Exploring Operation: 88-5=83, Resulting Numbers: [98, 83] Generated Node #0,2,1: 42:[98, 83] Operation: 88-5=83 Exploring Operation: 98-88=10, Resulting Numbers: [5, 10] Generated Node #0,2,2: 42:[5, 10] Operation: 98-88=10 Exploring Operation: 98-5=93, Resulting Numbers: [88, 93] Generated Node #0,2,3: 42:[88, 93] Operation: 98-5=93 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 42:[5, 10], Operations: ['60/12=5', '98-88=10'] Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,42 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,42 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 42:[98, 83], Operations: ['60/12=5', '88-5=83'] Exploring Operation: 98+83=181, Resulting Numbers: [181] 181,42 unequal: No Solution Exploring Operation: 98*83=8134, Resulting Numbers: [8134] 8134,42 unequal: No Solution Exploring Operation: 98-83=15, Resulting Numbers: [15] 15,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 42:[88, 93], Operations: ['60/12=5', '98-5=93'] Exploring Operation: 93-88=5, Resulting Numbers: [5] 5,42 unequal: No Solution Exploring Operation: 88+93=181, Resulting Numbers: [181] 181,42 unequal: No Solution Exploring Operation: 88*93=8184, Resulting Numbers: [8184] 8184,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 42:[88, 103], Operations: ['60/12=5', '98+5=103'] Exploring Operation: 88+103=191, Resulting Numbers: [191] 191,42 unequal: No Solution Exploring Operation: 103-88=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 88*103=9064, Resulting Numbers: [9064] 9064,42 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
[ 6, 41, 46, 19 ]
56
[ "41+19=60", "60/6=10", "46+10=56" ]
Current State: 56:[6, 41, 46, 19], Operations: [] Exploring Operation: 41+19=60, Resulting Numbers: [6, 46, 60] Generated Node #2: [6, 46, 60] from Operation: 41+19=60 Current State: 56:[6, 46, 60], Operations: ['41+19=60'] Exploring Operation: 60/6=10, Resulting Numbers: [46, 10] Generated Node #3: [46, 10] from Operation: 60/6=10 Current State: 56:[46, 10], Operations: ['41+19=60', '60/6=10'] Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[6, 41, 46, 19], Operations: [] Exploring Operation: 41+19=60, Resulting Numbers: [6, 46, 60] Generated Node #0,0: 56:[6, 46, 60] Operation: 41+19=60 Exploring Operation: 46-19=27, Resulting Numbers: [6, 41, 27] Generated Node #0,1: 56:[6, 41, 27] Operation: 46-19=27 Exploring Operation: 46-41=5, Resulting Numbers: [6, 19, 5] Generated Node #0,2: 56:[6, 19, 5] Operation: 46-41=5 Moving to Node #0,2 Current State: 56:[6, 19, 5], Operations: ['46-41=5'] Exploring Operation: 19-6=13, Resulting Numbers: [5, 13] Generated Node #0,2,0: 56:[5, 13] Operation: 19-6=13 Exploring Operation: 6+19=25, Resulting Numbers: [5, 25] Generated Node #0,2,1: 56:[5, 25] Operation: 6+19=25 Exploring Operation: 19-5=14, Resulting Numbers: [6, 14] Generated Node #0,2,2: 56:[6, 14] Operation: 19-5=14 Moving to Node #0,0 Current State: 56:[6, 46, 60], Operations: ['41+19=60'] Exploring Operation: 60-46=14, Resulting Numbers: [6, 14] Generated Node #0,0,0: 56:[6, 14] Operation: 60-46=14 Exploring Operation: 6+46=52, Resulting Numbers: [60, 52] Generated Node #0,0,1: 56:[60, 52] Operation: 6+46=52 Exploring Operation: 60-6=54, Resulting Numbers: [46, 54] Generated Node #0,0,2: 56:[46, 54] Operation: 60-6=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[6, 14], Operations: ['41+19=60', '60-46=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,56 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:[60, 52], Operations: ['41+19=60', '6+46=52'] Exploring Operation: 60+52=112, Resulting Numbers: [112] 112,56 unequal: No Solution Exploring Operation: 60*52=3120, Resulting Numbers: [3120] 3120,56 unequal: No Solution Exploring Operation: 60-52=8, Resulting Numbers: [8] 8,56 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:[46, 54], Operations: ['41+19=60', '60-6=54'] Exploring Operation: 46+54=100, Resulting Numbers: [100] 100,56 unequal: No Solution Exploring Operation: 54-46=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 46*54=2484, Resulting Numbers: [2484] 2484,56 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: 56:[6, 41, 27], Operations: ['46-19=27'] Exploring Operation: 41-27=14, Resulting Numbers: [6, 14] Generated Node #0,1,0: 56:[6, 14] Operation: 41-27=14 Exploring Operation: 6+41=47, Resulting Numbers: [27, 47] Generated Node #0,1,1: 56:[27, 47] Operation: 6+41=47 Exploring Operation: 41-6=35, Resulting Numbers: [27, 35] Generated Node #0,1,2: 56:[27, 35] Operation: 41-6=35 Moving to Node #0,2,2 Current State: 56:[6, 14], Operations: ['46-41=5', '19-5=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[6, 14], Operations: ['46-19=27', '41-27=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,56 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,56 unequal: No Solution Moving to Node #0,2,0 Current State: 56:[5, 13], Operations: ['46-41=5', '19-6=13'] Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,56 unequal: No Solution Moving to Node #0,2,1 Current State: 56:[5, 25], Operations: ['46-41=5', '6+19=25'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[27, 35], Operations: ['46-19=27', '41-6=35'] Exploring Operation: 35-27=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 27*35=945, Resulting Numbers: [945] 945,56 unequal: No Solution Exploring Operation: 27+35=62, Resulting Numbers: [62] 62,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[27, 47], Operations: ['46-19=27', '6+41=47'] Exploring Operation: 47-27=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 27+47=74, Resulting Numbers: [74] 74,56 unequal: No Solution Exploring Operation: 27*47=1269, Resulting Numbers: [1269] 1269,56 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 70, 28, 5, 45 ]
15
[ "70-28=42", "45-42=3", "5*3=15" ]
Current State: 15:[70, 28, 5, 45], Operations: [] Exploring Operation: 70-28=42, Resulting Numbers: [5, 45, 42] Generated Node #2: [5, 45, 42] from Operation: 70-28=42 Current State: 15:[5, 45, 42], Operations: ['70-28=42'] Exploring Operation: 45-42=3, Resulting Numbers: [5, 3] Generated Node #3: [5, 3] from Operation: 45-42=3 Current State: 15:[5, 3], Operations: ['70-28=42', '45-42=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[70, 28, 5, 45], Operations: [] Exploring Operation: 70-45=25, Resulting Numbers: [28, 5, 25] Generated Node #0,0: 15:[28, 5, 25] Operation: 70-45=25 Moving to Node #0,0 Current State: 15:[28, 5, 25], Operations: ['70-45=25'] Exploring Operation: 28-25=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 15:[5, 3] Operation: 28-25=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[5, 3], Operations: ['70-45=25', '28-25=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[70, 28, 5, 45], Operations: [] Exploring Operation: 70-45=25, Resulting Numbers: [28, 5, 25] Generated Node #0,0: 15:[28, 5, 25] Operation: 70-45=25 Moving to Node #0,0 Current State: 15:[28, 5, 25], Operations: ['70-45=25'] Exploring Operation: 28-25=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 15:[5, 3] Operation: 28-25=3 Moving to Node #0,0,0 Current State: 15:[5, 3], Operations: ['70-45=25', '28-25=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 57, 73, 74, 77 ]
21
[ "57+73=130", "74+77=151", "151-130=21" ]
Current State: 21:[57, 73, 74, 77], Operations: [] Exploring Operation: 57+73=130, Resulting Numbers: [74, 77, 130] Generated Node #2: [74, 77, 130] from Operation: 57+73=130 Current State: 21:[74, 77, 130], Operations: ['57+73=130'] Exploring Operation: 74+77=151, Resulting Numbers: [130, 151] Generated Node #3: [130, 151] from Operation: 74+77=151 Current State: 21:[130, 151], Operations: ['57+73=130', '74+77=151'] Exploring Operation: 151-130=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[57, 73, 74, 77], Operations: [] Exploring Operation: 74-73=1, Resulting Numbers: [57, 77, 1] Generated Node #0,0: 21:[57, 77, 1] Operation: 74-73=1 Exploring Operation: 77-74=3, Resulting Numbers: [57, 73, 3] Generated Node #0,1: 21:[57, 73, 3] Operation: 77-74=3 Exploring Operation: 77-73=4, Resulting Numbers: [57, 74, 4] Generated Node #0,2: 21:[57, 74, 4] Operation: 77-73=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[57, 73, 3], Operations: ['77-74=3'] Exploring Operation: 73-57=16, Resulting Numbers: [3, 16] Generated Node #0,1,0: 21:[3, 16] Operation: 73-57=16 Exploring Operation: 57/3=19, Resulting Numbers: [73, 19] Generated Node #0,1,1: 21:[73, 19] Operation: 57/3=19 Exploring Operation: 57-3=54, Resulting Numbers: [73, 54] Generated Node #0,1,2: 21:[73, 54] Operation: 57-3=54 Moving to Node #0,1,0 Current State: 21:[3, 16], Operations: ['77-74=3', '73-57=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,21 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,21 unequal: No Solution Moving to Node #0,1,1 Current State: 21:[73, 19], Operations: ['77-74=3', '57/3=19'] Exploring Operation: 73*19=1387, Resulting Numbers: [1387] 1387,21 unequal: No Solution Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 73+19=92, Resulting Numbers: [92] 92,21 unequal: No Solution Moving to Node #0,1,2 Current State: 21:[73, 54], Operations: ['77-74=3', '57-3=54'] Exploring Operation: 73*54=3942, Resulting Numbers: [3942] 3942,21 unequal: No Solution Exploring Operation: 73+54=127, Resulting Numbers: [127] 127,21 unequal: No Solution Exploring Operation: 73-54=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 Current State: 21:[57, 74, 4], Operations: ['77-73=4'] Exploring Operation: 74-57=17, Resulting Numbers: [4, 17] Generated Node #0,2,0: 21:[4, 17] Operation: 74-57=17 Exploring Operation: 74-4=70, Resulting Numbers: [57, 70] Generated Node #0,2,1: 21:[57, 70] Operation: 74-4=70 Exploring Operation: 57-4=53, Resulting Numbers: [74, 53] Generated Node #0,2,2: 21:[74, 53] Operation: 57-4=53 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 21:[4, 17], Operations: ['77-73=4', '74-57=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,21 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[57, 73, 74, 77], Operations: [] Exploring Operation: 77-73=4, Resulting Numbers: [57, 74, 4] Generated Node #0,2: 21:[57, 74, 4] Operation: 77-73=4 Moving to Node #0,2 Current State: 21:[57, 74, 4], Operations: ['77-73=4'] Exploring Operation: 74-57=17, Resulting Numbers: [4, 17] Generated Node #0,2,0: 21:[4, 17] Operation: 74-57=17 Moving to Node #0,2,0 Current State: 21:[4, 17], Operations: ['77-73=4', '74-57=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 49, 6, 25, 5 ]
50
[ "49+6=55", "25/5=5", "55-5=50" ]
Current State: 50:[49, 6, 25, 5], Operations: [] Exploring Operation: 49+6=55, Resulting Numbers: [25, 5, 55] Generated Node #2: [25, 5, 55] from Operation: 49+6=55 Current State: 50:[25, 5, 55], Operations: ['49+6=55'] Exploring Operation: 25/5=5, Resulting Numbers: [55, 5] Generated Node #3: [55, 5] from Operation: 25/5=5 Current State: 50:[55, 5], Operations: ['49+6=55', '25/5=5'] Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[49, 6, 25, 5], Operations: [] Exploring Operation: 49-25=24, Resulting Numbers: [6, 5, 24] Generated Node #0,0: 50:[6, 5, 24] Operation: 49-25=24 Moving to Node #0,0 Current State: 50:[6, 5, 24], Operations: ['49-25=24'] Exploring Operation: 24/6=4, Resulting Numbers: [5, 4] Generated Node #0,0,0: 50:[5, 4] Operation: 24/6=4 Moving to Node #0,0,0 Current State: 50:[5, 4], Operations: ['49-25=24', '24/6=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,50 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 55, 77, 61, 11 ]
63
[ "77-55=22", "22/11=2", "61+2=63" ]
Current State: 63:[55, 77, 61, 11], Operations: [] Exploring Operation: 77-55=22, Resulting Numbers: [61, 11, 22] Generated Node #2: [61, 11, 22] from Operation: 77-55=22 Current State: 63:[61, 11, 22], Operations: ['77-55=22'] Exploring Operation: 22/11=2, Resulting Numbers: [61, 2] Generated Node #3: [61, 2] from Operation: 22/11=2 Current State: 63:[61, 2], Operations: ['77-55=22', '22/11=2'] Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[55, 77, 61, 11], Operations: [] Exploring Operation: 77-55=22, Resulting Numbers: [61, 11, 22] Generated Node #0,0: 63:[61, 11, 22] Operation: 77-55=22 Exploring Operation: 77/11=7, Resulting Numbers: [55, 61, 7] Generated Node #0,1: 63:[55, 61, 7] Operation: 77/11=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[61, 11, 22], Operations: ['77-55=22'] Exploring Operation: 22-11=11, Resulting Numbers: [61, 11] Generated Node #0,0,0: 63:[61, 11] Operation: 22-11=11 Exploring Operation: 22/11=2, Resulting Numbers: [61, 2] Generated Node #0,0,1: 63:[61, 2] Operation: 22/11=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 63:[61, 2], Operations: ['77-55=22', '22/11=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,63 unequal: No Solution Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[55, 77, 61, 11], Operations: [] Exploring Operation: 77-55=22, Resulting Numbers: [61, 11, 22] Generated Node #0,0: 63:[61, 11, 22] Operation: 77-55=22 Moving to Node #0,0 Current State: 63:[61, 11, 22], Operations: ['77-55=22'] Exploring Operation: 22/11=2, Resulting Numbers: [61, 2] Generated Node #0,0,1: 63:[61, 2] Operation: 22/11=2 Moving to Node #0,0,1 Current State: 63:[61, 2], Operations: ['77-55=22', '22/11=2'] Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 6, 36, 33, 7 ]
11
[ "36-33=3", "6*3=18", "18-7=11" ]
Current State: 11:[6, 36, 33, 7], Operations: [] Exploring Operation: 36-33=3, Resulting Numbers: [6, 7, 3] Generated Node #2: [6, 7, 3] from Operation: 36-33=3 Current State: 11:[6, 7, 3], Operations: ['36-33=3'] Exploring Operation: 6*3=18, Resulting Numbers: [7, 18] Generated Node #3: [7, 18] from Operation: 6*3=18 Current State: 11:[7, 18], Operations: ['36-33=3', '6*3=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[6, 36, 33, 7], Operations: [] Exploring Operation: 36-33=3, Resulting Numbers: [6, 7, 3] Generated Node #0,0: 11:[6, 7, 3] Operation: 36-33=3 Moving to Node #0,0 Current State: 11:[6, 7, 3], Operations: ['36-33=3'] Exploring Operation: 6+3=9, Resulting Numbers: [7, 9] Generated Node #0,0,0: 11:[7, 9] Operation: 6+3=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[7, 9], Operations: ['36-33=3', '6+3=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 82, 82, 79, 9 ]
79
[ "82-82=0", "9*0=0", "79+0=79" ]
Current State: 79:[82, 82, 79, 9], Operations: [] Exploring Operation: 82-82=0, Resulting Numbers: [79, 9, 0] Generated Node #2: [79, 9, 0] from Operation: 82-82=0 Current State: 79:[79, 9, 0], Operations: ['82-82=0'] Exploring Operation: 9*0=0, Resulting Numbers: [79, 0] Generated Node #3: [79, 0] from Operation: 9*0=0 Current State: 79:[79, 0], Operations: ['82-82=0', '9*0=0'] Exploring Operation: 79+0=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[82, 82, 79, 9], Operations: [] Exploring Operation: 82-9=73, Resulting Numbers: [82, 79, 73] Generated Node #0,0: 79:[82, 79, 73] Operation: 82-9=73 Exploring Operation: 79+9=88, Resulting Numbers: [82, 82, 88] Generated Node #0,1: 79:[82, 82, 88] Operation: 79+9=88 Exploring Operation: 82+9=91, Resulting Numbers: [82, 79, 91] Generated Node #0,2: 79:[82, 79, 91] Operation: 82+9=91 Exploring Operation: 82-9=73, Resulting Numbers: [82, 79, 73] Generated Node #0,3: 79:[82, 79, 73] Operation: 82-9=73 Exploring Operation: 82+9=91, Resulting Numbers: [82, 79, 91] Generated Node #0,4: 79:[82, 79, 91] Operation: 82+9=91 Moving to Node #0,0 Current State: 79:[82, 79, 73], Operations: ['82-9=73'] Exploring Operation: 82-73=9, Resulting Numbers: [79, 9] Generated Node #0,0,0: 79:[79, 9] Operation: 82-73=9 Exploring Operation: 79+73=152, Resulting Numbers: [82, 152] Generated Node #0,0,1: 79:[82, 152] Operation: 79+73=152 Exploring Operation: 79-73=6, Resulting Numbers: [82, 6] Generated Node #0,0,2: 79:[82, 6] Operation: 79-73=6 Exploring Operation: 82+73=155, Resulting Numbers: [79, 155] Generated Node #0,0,3: 79:[79, 155] Operation: 82+73=155 Exploring Operation: 82-79=3, Resulting Numbers: [73, 3] Generated Node #0,0,4: 79:[73, 3] Operation: 82-79=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[79, 9], Operations: ['82-9=73', '82-73=9'] Exploring Operation: 79+9=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 79*9=711, Resulting Numbers: [711] 711,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[82, 152], Operations: ['82-9=73', '79+73=152'] Exploring Operation: 152-82=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 82+152=234, Resulting Numbers: [234] 234,79 unequal: No Solution Exploring Operation: 82*152=12464, Resulting Numbers: [12464] 12464,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[82, 6], Operations: ['82-9=73', '79-73=6'] Exploring Operation: 82*6=492, Resulting Numbers: [492] 492,79 unequal: No Solution Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,79 unequal: No Solution Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 79:[79, 155], Operations: ['82-9=73', '82+73=155'] Exploring Operation: 155-79=76, Resulting Numbers: [76] 76,79 unequal: No Solution Exploring Operation: 79*155=12245, Resulting Numbers: [12245] 12245,79 unequal: No Solution Exploring Operation: 79+155=234, Resulting Numbers: [234] 234,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 79:[73, 3], Operations: ['82-9=73', '82-79=3'] Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,79 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 79:[82, 79, 73], Operations: ['82-9=73'] Exploring Operation: 79-73=6, Resulting Numbers: [82, 6] Generated Node #0,3,0: 79:[82, 6] Operation: 79-73=6 Exploring Operation: 82-79=3, Resulting Numbers: [73, 3] Generated Node #0,3,1: 79:[73, 3] Operation: 82-79=3 Exploring Operation: 79+73=152, Resulting Numbers: [82, 152] Generated Node #0,3,2: 79:[82, 152] Operation: 79+73=152 Exploring Operation: 82-73=9, Resulting Numbers: [79, 9] Generated Node #0,3,3: 79:[79, 9] Operation: 82-73=9 Exploring Operation: 82+73=155, Resulting Numbers: [79, 155] Generated Node #0,3,4: 79:[79, 155] Operation: 82+73=155 Moving to Node #0,1 Current State: 79:[82, 82, 88], Operations: ['79+9=88'] Exploring Operation: 82+82=164, Resulting Numbers: [88, 164] Generated Node #0,1,0: 79:[88, 164] Operation: 82+82=164 Exploring Operation: 88-82=6, Resulting Numbers: [82, 6] Generated Node #0,1,1: 79:[82, 6] Operation: 88-82=6 Exploring Operation: 88-82=6, Resulting Numbers: [82, 6] Generated Node #0,1,2: 79:[82, 6] Operation: 88-82=6 Exploring Operation: 82-82=0, Resulting Numbers: [88, 0] Generated Node #0,1,3: 79:[88, 0] Operation: 82-82=0 Exploring Operation: 82/82=1, Resulting Numbers: [88, 1] Generated Node #0,1,4: 79:[88, 1] Operation: 82/82=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[82, 6], Operations: ['79+9=88', '88-82=6'] Exploring Operation: 82*6=492, Resulting Numbers: [492] 492,79 unequal: No Solution Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,79 unequal: No Solution Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 79:[82, 6], Operations: ['79+9=88', '88-82=6'] Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,79 unequal: No Solution Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 82*6=492, Resulting Numbers: [492] 492,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 79:[88, 1], Operations: ['79+9=88', '82/82=1'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,79 unequal: No Solution Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 88/1=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 79:[88, 0], Operations: ['79+9=88', '82-82=0'] Exploring Operation: 88+0=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 88-0=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 88*0=0, Resulting Numbers: [0] 0,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[88, 164], Operations: ['79+9=88', '82+82=164'] Exploring Operation: 88+164=252, Resulting Numbers: [252] 252,79 unequal: No Solution Exploring Operation: 88*164=14432, Resulting Numbers: [14432] 14432,79 unequal: No Solution Exploring Operation: 164-88=76, Resulting Numbers: [76] 76,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 79:[82, 79, 91], Operations: ['82+9=91'] Exploring Operation: 82-79=3, Resulting Numbers: [91, 3] Generated Node #0,2,0: 79:[91, 3] Operation: 82-79=3 Exploring Operation: 82+91=173, Resulting Numbers: [79, 173] Generated Node #0,2,1: 79:[79, 173] Operation: 82+91=173 Exploring Operation: 91-82=9, Resulting Numbers: [79, 9] Generated Node #0,2,2: 79:[79, 9] Operation: 91-82=9 Exploring Operation: 82+79=161, Resulting Numbers: [91, 161] Generated Node #0,2,3: 79:[91, 161] Operation: 82+79=161 Exploring Operation: 91-79=12, Resulting Numbers: [82, 12] Generated Node #0,2,4: 79:[82, 12] Operation: 91-79=12 Moving to Node #0,4 Current State: 79:[82, 79, 91], Operations: ['82+9=91'] Exploring Operation: 82-79=3, Resulting Numbers: [91, 3] Generated Node #0,4,0: 79:[91, 3] Operation: 82-79=3 Exploring Operation: 91-82=9, Resulting Numbers: [79, 9] Generated Node #0,4,1: 79:[79, 9] Operation: 91-82=9 Exploring Operation: 91-79=12, Resulting Numbers: [82, 12] Generated Node #0,4,2: 79:[82, 12] Operation: 91-79=12 Exploring Operation: 82+79=161, Resulting Numbers: [91, 161] Generated Node #0,4,3: 79:[91, 161] Operation: 82+79=161 Exploring Operation: 82+91=173, Resulting Numbers: [79, 173] Generated Node #0,4,4: 79:[79, 173] Operation: 82+91=173 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 79:[79, 9], Operations: ['82+9=91', '91-82=9'] Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 79*9=711, Resulting Numbers: [711] 711,79 unequal: No Solution Exploring Operation: 79+9=88, Resulting Numbers: [88] 88,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 79:[82, 12], Operations: ['82+9=91', '91-79=12'] Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 82*12=984, Resulting Numbers: [984] 984,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 79:[91, 3], Operations: ['82+9=91', '82-79=3'] Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,79 unequal: No Solution Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 79:[91, 161], Operations: ['82+9=91', '82+79=161'] Exploring Operation: 161-91=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 91*161=14651, Resulting Numbers: [14651] 14651,79 unequal: No Solution Exploring Operation: 91+161=252, Resulting Numbers: [252] 252,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 79:[79, 173], Operations: ['82+9=91', '82+91=173'] Exploring Operation: 79*173=13667, Resulting Numbers: [13667] 13667,79 unequal: No Solution Exploring Operation: 79+173=252, Resulting Numbers: [252] 252,79 unequal: No Solution Exploring Operation: 173-79=94, Resulting Numbers: [94] 94,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 79:[79, 9], Operations: ['82-9=73', '82-73=9'] Exploring Operation: 79+9=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 79*9=711, Resulting Numbers: [711] 711,79 unequal: No Solution Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[79, 9], Operations: ['82+9=91', '91-82=9'] Exploring Operation: 79+9=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 79*9=711, Resulting Numbers: [711] 711,79 unequal: No Solution Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,79 unequal: No Solution Moving to Node #0,2,4 Current State: 79:[82, 12], Operations: ['82+9=91', '91-79=12'] Exploring Operation: 82*12=984, Resulting Numbers: [984] 984,79 unequal: No Solution Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[82, 152], Operations: ['82-9=73', '79+73=152'] Exploring Operation: 82+152=234, Resulting Numbers: [234] 234,79 unequal: No Solution Exploring Operation: 152-82=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 82*152=12464, Resulting Numbers: [12464] 12464,79 unequal: No Solution Moving to Node #0,3,0 Current State: 79:[82, 6], Operations: ['82-9=73', '79-73=6'] Exploring Operation: 82*6=492, Resulting Numbers: [492] 492,79 unequal: No Solution Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,79 unequal: No Solution Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[79, 155], Operations: ['82-9=73', '82+73=155'] Exploring Operation: 79*155=12245, Resulting Numbers: [12245] 12245,79 unequal: No Solution Exploring Operation: 155-79=76, Resulting Numbers: [76] 76,79 unequal: No Solution Exploring Operation: 79+155=234, Resulting Numbers: [234] 234,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[73, 3], Operations: ['82-9=73', '82-79=3'] Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,79 unequal: No Solution Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,79 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[91, 3], Operations: ['82+9=91', '82-79=3'] Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,79 unequal: No Solution Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[91, 161], Operations: ['82+9=91', '82+79=161'] Exploring Operation: 161-91=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 91*161=14651, Resulting Numbers: [14651] 14651,79 unequal: No Solution Exploring Operation: 91+161=252, Resulting Numbers: [252] 252,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[79, 173], Operations: ['82+9=91', '82+91=173'] Exploring Operation: 79*173=13667, Resulting Numbers: [13667] 13667,79 unequal: No Solution Exploring Operation: 79+173=252, Resulting Numbers: [252] 252,79 unequal: No Solution Exploring Operation: 173-79=94, Resulting Numbers: [94] 94,79 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 61, 87, 69, 28 ]
51
[ "61+87=148", "69+28=97", "148-97=51" ]
Current State: 51:[61, 87, 69, 28], Operations: [] Exploring Operation: 61+87=148, Resulting Numbers: [69, 28, 148] Generated Node #2: [69, 28, 148] from Operation: 61+87=148 Current State: 51:[69, 28, 148], Operations: ['61+87=148'] Exploring Operation: 69+28=97, Resulting Numbers: [148, 97] Generated Node #3: [148, 97] from Operation: 69+28=97 Current State: 51:[148, 97], Operations: ['61+87=148', '69+28=97'] Exploring Operation: 148-97=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[61, 87, 69, 28], Operations: [] Exploring Operation: 87-69=18, Resulting Numbers: [61, 28, 18] Generated Node #0,0: 51:[61, 28, 18] Operation: 87-69=18 Moving to Node #0,0 Current State: 51:[61, 28, 18], Operations: ['87-69=18'] Exploring Operation: 28+18=46, Resulting Numbers: [61, 46] Generated Node #0,0,0: 51:[61, 46] Operation: 28+18=46 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[61, 46], Operations: ['87-69=18', '28+18=46'] Exploring Operation: 61-46=15, Resulting Numbers: [15] 15,51 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, 97, 74, 1 ]
23
[ "2-1=1", "97-74=23", "1*23=23" ]
Current State: 23:[2, 97, 74, 1], Operations: [] Exploring Operation: 2-1=1, Resulting Numbers: [97, 74, 1] Generated Node #2: [97, 74, 1] from Operation: 2-1=1 Current State: 23:[97, 74, 1], Operations: ['2-1=1'] Exploring Operation: 97-74=23, Resulting Numbers: [1, 23] Generated Node #3: [1, 23] from Operation: 97-74=23 Current State: 23:[1, 23], Operations: ['2-1=1', '97-74=23'] Exploring Operation: 1*23=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[2, 97, 74, 1], Operations: [] Exploring Operation: 97-74=23, Resulting Numbers: [2, 1, 23] Generated Node #0,0: 23:[2, 1, 23] Operation: 97-74=23 Moving to Node #0,0 Current State: 23:[2, 1, 23], Operations: ['97-74=23'] Exploring Operation: 2+1=3, Resulting Numbers: [23, 3] Generated Node #0,0,0: 23:[23, 3] Operation: 2+1=3 Moving to Node #0,0,0 Current State: 23:[23, 3], Operations: ['97-74=23', '2+1=3'] Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,23 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 78, 58, 10, 39 ]
69
[ "78-58=20", "10+39=49", "20+49=69" ]
Current State: 69:[78, 58, 10, 39], Operations: [] Exploring Operation: 78-58=20, Resulting Numbers: [10, 39, 20] Generated Node #2: [10, 39, 20] from Operation: 78-58=20 Current State: 69:[10, 39, 20], Operations: ['78-58=20'] Exploring Operation: 10+39=49, Resulting Numbers: [20, 49] Generated Node #3: [20, 49] from Operation: 10+39=49 Current State: 69:[20, 49], Operations: ['78-58=20', '10+39=49'] Exploring Operation: 20+49=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[78, 58, 10, 39], Operations: [] Exploring Operation: 78/39=2, Resulting Numbers: [58, 10, 2] Generated Node #0,0: 69:[58, 10, 2] Operation: 78/39=2 Exploring Operation: 58-39=19, Resulting Numbers: [78, 10, 19] Generated Node #0,1: 69:[78, 10, 19] Operation: 58-39=19 Moving to Node #0,0 Current State: 69:[58, 10, 2], Operations: ['78/39=2'] Exploring Operation: 58+10=68, Resulting Numbers: [2, 68] Generated Node #0,0,0: 69:[2, 68] Operation: 58+10=68 Exploring Operation: 58/2=29, Resulting Numbers: [10, 29] Generated Node #0,0,1: 69:[10, 29] Operation: 58/2=29 Moving to Node #0,1 Current State: 69:[78, 10, 19], Operations: ['58-39=19'] Exploring Operation: 10+19=29, Resulting Numbers: [78, 29] Generated Node #0,1,0: 69:[78, 29] Operation: 10+19=29 Exploring Operation: 78-10=68, Resulting Numbers: [19, 68] Generated Node #0,1,1: 69:[19, 68] Operation: 78-10=68 Moving to Node #0,0,0 Current State: 69:[2, 68], Operations: ['78/39=2', '58+10=68'] Exploring Operation: 2+68=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[19, 68], Operations: ['58-39=19', '78-10=68'] Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 19+68=87, Resulting Numbers: [87] 87,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[10, 29], Operations: ['78/39=2', '58/2=29'] Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,69 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[78, 29], Operations: ['58-39=19', '10+19=29'] Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 78+29=107, Resulting Numbers: [107] 107,69 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 12, 52, 29, 88 ]
84
[ "52+29=81", "88-81=7", "12*7=84" ]
Current State: 84:[12, 52, 29, 88], Operations: [] Exploring Operation: 52+29=81, Resulting Numbers: [12, 88, 81] Generated Node #2: [12, 88, 81] from Operation: 52+29=81 Current State: 84:[12, 88, 81], Operations: ['52+29=81'] Exploring Operation: 88-81=7, Resulting Numbers: [12, 7] Generated Node #3: [12, 7] from Operation: 88-81=7 Current State: 84:[12, 7], Operations: ['52+29=81', '88-81=7'] Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[12, 52, 29, 88], Operations: [] Exploring Operation: 52-29=23, Resulting Numbers: [12, 88, 23] Generated Node #0,0: 84:[12, 88, 23] Operation: 52-29=23 Exploring Operation: 52+29=81, Resulting Numbers: [12, 88, 81] Generated Node #0,1: 84:[12, 88, 81] Operation: 52+29=81 Exploring Operation: 12+29=41, Resulting Numbers: [52, 88, 41] Generated Node #0,2: 84:[52, 88, 41] Operation: 12+29=41 Exploring Operation: 52-12=40, Resulting Numbers: [29, 88, 40] Generated Node #0,3: 84:[29, 88, 40] Operation: 52-12=40 Exploring Operation: 88-52=36, Resulting Numbers: [12, 29, 36] Generated Node #0,4: 84:[12, 29, 36] Operation: 88-52=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[12, 88, 23], Operations: ['52-29=23'] Exploring Operation: 12+23=35, Resulting Numbers: [88, 35] Generated Node #0,0,0: 84:[88, 35] Operation: 12+23=35 Exploring Operation: 88-23=65, Resulting Numbers: [12, 65] Generated Node #0,0,1: 84:[12, 65] Operation: 88-23=65 Exploring Operation: 12+88=100, Resulting Numbers: [23, 100] Generated Node #0,0,2: 84:[23, 100] Operation: 12+88=100 Exploring Operation: 23-12=11, Resulting Numbers: [88, 11] Generated Node #0,0,3: 84:[88, 11] Operation: 23-12=11 Exploring Operation: 88-12=76, Resulting Numbers: [23, 76] Generated Node #0,0,4: 84:[23, 76] Operation: 88-12=76 Moving to Node #0,0,3 Current State: 84:[88, 11], Operations: ['52-29=23', '23-12=11'] Exploring Operation: 88*11=968, Resulting Numbers: [968] 968,84 unequal: No Solution Exploring Operation: 88/11=8, Resulting Numbers: [8] 8,84 unequal: No Solution Exploring Operation: 88-11=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 88+11=99, Resulting Numbers: [99] 99,84 unequal: No Solution Moving to Node #0,0,4 Current State: 84:[23, 76], Operations: ['52-29=23', '88-12=76'] Exploring Operation: 76-23=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 23*76=1748, Resulting Numbers: [1748] 1748,84 unequal: No Solution Exploring Operation: 23+76=99, Resulting Numbers: [99] 99,84 unequal: No Solution Moving to Node #0,0,0 Current State: 84:[88, 35], Operations: ['52-29=23', '12+23=35'] Exploring Operation: 88*35=3080, Resulting Numbers: [3080] 3080,84 unequal: No Solution Exploring Operation: 88-35=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 88+35=123, Resulting Numbers: [123] 123,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[23, 100], Operations: ['52-29=23', '12+88=100'] Exploring Operation: 23*100=2300, Resulting Numbers: [2300] 2300,84 unequal: No Solution Exploring Operation: 23+100=123, Resulting Numbers: [123] 123,84 unequal: No Solution Exploring Operation: 100-23=77, Resulting Numbers: [77] 77,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[12, 65], Operations: ['52-29=23', '88-23=65'] Exploring Operation: 12*65=780, Resulting Numbers: [780] 780,84 unequal: No Solution Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 12+65=77, Resulting Numbers: [77] 77,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[12, 88, 81], Operations: ['52+29=81'] Exploring Operation: 12+88=100, Resulting Numbers: [81, 100] Generated Node #0,1,0: 84:[81, 100] Operation: 12+88=100 Exploring Operation: 88-12=76, Resulting Numbers: [81, 76] Generated Node #0,1,1: 84:[81, 76] Operation: 88-12=76 Exploring Operation: 81-12=69, Resulting Numbers: [88, 69] Generated Node #0,1,2: 84:[88, 69] Operation: 81-12=69 Exploring Operation: 88-81=7, Resulting Numbers: [12, 7] Generated Node #0,1,3: 84:[12, 7] Operation: 88-81=7 Exploring Operation: 12+81=93, Resulting Numbers: [88, 93] Generated Node #0,1,4: 84:[88, 93] Operation: 12+81=93 Moving to Node #0,1,3 Current State: 84:[12, 7], Operations: ['52+29=81', '88-81=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[12, 52, 29, 88], Operations: [] Exploring Operation: 52+29=81, Resulting Numbers: [12, 88, 81] Generated Node #0,1: 84:[12, 88, 81] Operation: 52+29=81 Moving to Node #0,1 Current State: 84:[12, 88, 81], Operations: ['52+29=81'] Exploring Operation: 88-81=7, Resulting Numbers: [12, 7] Generated Node #0,1,3: 84:[12, 7] Operation: 88-81=7 Moving to Node #0,1,3 Current State: 84:[12, 7], Operations: ['52+29=81', '88-81=7'] Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 66, 5, 74, 13 ]
27
[ "74-66=8", "5*8=40", "40-13=27" ]
Current State: 27:[66, 5, 74, 13], Operations: [] Exploring Operation: 74-66=8, Resulting Numbers: [5, 13, 8] Generated Node #2: [5, 13, 8] from Operation: 74-66=8 Current State: 27:[5, 13, 8], Operations: ['74-66=8'] Exploring Operation: 5*8=40, Resulting Numbers: [13, 40] Generated Node #3: [13, 40] from Operation: 5*8=40 Current State: 27:[13, 40], Operations: ['74-66=8', '5*8=40'] Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[66, 5, 74, 13], Operations: [] Exploring Operation: 66-5=61, Resulting Numbers: [74, 13, 61] Generated Node #0,0: 27:[74, 13, 61] Operation: 66-5=61 Exploring Operation: 74-5=69, Resulting Numbers: [66, 13, 69] Generated Node #0,1: 27:[66, 13, 69] Operation: 74-5=69 Exploring Operation: 74-13=61, Resulting Numbers: [66, 5, 61] Generated Node #0,2: 27:[66, 5, 61] Operation: 74-13=61 Exploring Operation: 74-66=8, Resulting Numbers: [5, 13, 8] Generated Node #0,3: 27:[5, 13, 8] Operation: 74-66=8 Exploring Operation: 66-13=53, Resulting Numbers: [5, 74, 53] Generated Node #0,4: 27:[5, 74, 53] Operation: 66-13=53 Start Sub Search at level 1: Moving to Node #0,3 Current State: 27:[5, 13, 8], Operations: ['74-66=8'] Exploring Operation: 8-5=3, Resulting Numbers: [13, 3] Generated Node #0,3,0: 27:[13, 3] Operation: 8-5=3 Exploring Operation: 13-8=5, Resulting Numbers: [5, 5] Generated Node #0,3,1: 27:[5, 5] Operation: 13-8=5 Exploring Operation: 13+8=21, Resulting Numbers: [5, 21] Generated Node #0,3,2: 27:[5, 21] Operation: 13+8=21 Exploring Operation: 13-5=8, Resulting Numbers: [8, 8] Generated Node #0,3,3: 27:[8, 8] Operation: 13-5=8 Exploring Operation: 5+8=13, Resulting Numbers: [13, 13] Generated Node #0,3,4: 27:[13, 13] Operation: 5+8=13 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 27:[8, 8], Operations: ['74-66=8', '13-5=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,27 unequal: No Solution Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,27 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,27 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 #0,3,0 Current State: 27:[13, 3], Operations: ['74-66=8', '8-5=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,27 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 #0,3,1 Current State: 27:[5, 5], Operations: ['74-66=8', '13-8=5'] Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,27 unequal: No Solution Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,27 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 #0,3,2 Current State: 27:[5, 21], Operations: ['74-66=8', '13+8=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,27 unequal: No Solution Exploring Operation: 5+21=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 #0,3,4 Current State: 27:[13, 13], Operations: ['74-66=8', '5+8=13'] Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,27 unequal: No Solution Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 13*13=169, Resulting Numbers: [169] 169,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[66, 5, 61], Operations: ['74-13=61'] Exploring Operation: 66-61=5, Resulting Numbers: [5, 5] Generated Node #0,2,0: 27:[5, 5] Operation: 66-61=5 Exploring Operation: 61-5=56, Resulting Numbers: [66, 56] Generated Node #0,2,1: 27:[66, 56] Operation: 61-5=56 Exploring Operation: 5+61=66, Resulting Numbers: [66, 66] Generated Node #0,2,2: 27:[66, 66] Operation: 5+61=66 Exploring Operation: 66+5=71, Resulting Numbers: [61, 71] Generated Node #0,2,3: 27:[61, 71] Operation: 66+5=71 Exploring Operation: 66-5=61, Resulting Numbers: [61, 61] Generated Node #0,2,4: 27:[61, 61] Operation: 66-5=61 Moving to Node #0,2,0 Current State: 27:[5, 5], Operations: ['74-13=61', '66-61=5'] Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,27 unequal: No Solution Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,27 unequal: No Solution Moving to Node #0,2,4 Current State: 27:[61, 61], Operations: ['74-13=61', '66-5=61'] Exploring Operation: 61*61=3721, Resulting Numbers: [3721] 3721,27 unequal: No Solution Exploring Operation: 61/61=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 61-61=0, Resulting Numbers: [0] 0,27 unequal: No Solution Exploring Operation: 61+61=122, Resulting Numbers: [122] 122,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[66, 56], Operations: ['74-13=61', '61-5=56'] Exploring Operation: 66-56=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 66+56=122, Resulting Numbers: [122] 122,27 unequal: No Solution Exploring Operation: 66*56=3696, Resulting Numbers: [3696] 3696,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[66, 66], Operations: ['74-13=61', '5+61=66'] Exploring Operation: 66-66=0, Resulting Numbers: [0] 0,27 unequal: No Solution Exploring Operation: 66*66=4356, Resulting Numbers: [4356] 4356,27 unequal: No Solution Exploring Operation: 66+66=132, Resulting Numbers: [132] 132,27 unequal: No Solution Exploring Operation: 66/66=1, Resulting Numbers: [1] 1,27 unequal: No Solution Moving to Node #0,2,3 Current State: 27:[61, 71], Operations: ['74-13=61', '66+5=71'] Exploring Operation: 61*71=4331, Resulting Numbers: [4331] 4331,27 unequal: No Solution Exploring Operation: 71-61=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 61+71=132, Resulting Numbers: [132] 132,27 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 #0,4 Current State: 27:[5, 74, 53], Operations: ['66-13=53'] Exploring Operation: 74-5=69, Resulting Numbers: [53, 69] Generated Node #0,4,0: 27:[53, 69] Operation: 74-5=69 Exploring Operation: 53-5=48, Resulting Numbers: [74, 48] Generated Node #0,4,1: 27:[74, 48] Operation: 53-5=48 Exploring Operation: 5+74=79, Resulting Numbers: [53, 79] Generated Node #0,4,2: 27:[53, 79] Operation: 5+74=79 Exploring Operation: 5+53=58, Resulting Numbers: [74, 58] Generated Node #0,4,3: 27:[74, 58] Operation: 5+53=58 Exploring Operation: 74-53=21, Resulting Numbers: [5, 21] Generated Node #0,4,4: 27:[5, 21] Operation: 74-53=21 Moving to Node #0,4,4 Current State: 27:[5, 21], Operations: ['66-13=53', '74-53=21'] Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,27 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,27 unequal: No Solution Moving to Node #0,4,1 Current State: 27:[74, 48], Operations: ['66-13=53', '53-5=48'] Exploring Operation: 74*48=3552, Resulting Numbers: [3552] 3552,27 unequal: No Solution Exploring Operation: 74-48=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 74+48=122, Resulting Numbers: [122] 122,27 unequal: No Solution Moving to Node #0,4,0 Current State: 27:[53, 69], Operations: ['66-13=53', '74-5=69'] Exploring Operation: 69-53=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 53*69=3657, Resulting Numbers: [3657] 3657,27 unequal: No Solution Exploring Operation: 53+69=122, Resulting Numbers: [122] 122,27 unequal: No Solution Moving to Node #0,4,2 Current State: 27:[53, 79], Operations: ['66-13=53', '5+74=79'] Exploring Operation: 53*79=4187, Resulting Numbers: [4187] 4187,27 unequal: No Solution Exploring Operation: 79-53=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 53+79=132, Resulting Numbers: [132] 132,27 unequal: No Solution Moving to Node #0,4,3 Current State: 27:[74, 58], Operations: ['66-13=53', '5+53=58'] Exploring Operation: 74*58=4292, Resulting Numbers: [4292] 4292,27 unequal: No Solution Exploring Operation: 74-58=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 74+58=132, Resulting Numbers: [132] 132,27 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 #0,0 Current State: 27:[74, 13, 61], Operations: ['66-5=61'] Exploring Operation: 74-13=61, Resulting Numbers: [61, 61] Generated Node #0,0,0: 27:[61, 61] Operation: 74-13=61 Exploring Operation: 13+61=74, Resulting Numbers: [74, 74] Generated Node #0,0,1: 27:[74, 74] Operation: 13+61=74 Exploring Operation: 74-61=13, Resulting Numbers: [13, 13] Generated Node #0,0,2: 27:[13, 13] Operation: 74-61=13 Exploring Operation: 74+13=87, Resulting Numbers: [61, 87] Generated Node #0,0,3: 27:[61, 87] Operation: 74+13=87 Exploring Operation: 61-13=48, Resulting Numbers: [74, 48] Generated Node #0,0,4: 27:[74, 48] Operation: 61-13=48 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[13, 13], Operations: ['66-5=61', '74-61=13'] Exploring Operation: 13*13=169, Resulting Numbers: [169] 169,27 unequal: No Solution Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[61, 61], Operations: ['66-5=61', '74-13=61'] Exploring Operation: 61+61=122, Resulting Numbers: [122] 122,27 unequal: No Solution Exploring Operation: 61/61=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 61*61=3721, Resulting Numbers: [3721] 3721,27 unequal: No Solution Exploring Operation: 61-61=0, Resulting Numbers: [0] 0,27 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:[74, 48], Operations: ['66-5=61', '61-13=48'] Exploring Operation: 74*48=3552, Resulting Numbers: [3552] 3552,27 unequal: No Solution Exploring Operation: 74+48=122, Resulting Numbers: [122] 122,27 unequal: No Solution Exploring Operation: 74-48=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 #0,0,1 Current State: 27:[74, 74], Operations: ['66-5=61', '13+61=74'] Exploring Operation: 74+74=148, Resulting Numbers: [148] 148,27 unequal: No Solution Exploring Operation: 74/74=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 74-74=0, Resulting Numbers: [0] 0,27 unequal: No Solution Exploring Operation: 74*74=5476, Resulting Numbers: [5476] 5476,27 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 #0,0,3 Current State: 27:[61, 87], Operations: ['66-5=61', '74+13=87'] Exploring Operation: 61+87=148, Resulting Numbers: [148] 148,27 unequal: No Solution Exploring Operation: 87-61=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 61*87=5307, Resulting Numbers: [5307] 5307,27 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 #0,1 Current State: 27:[66, 13, 69], Operations: ['74-5=69'] Exploring Operation: 66+13=79, Resulting Numbers: [69, 79] Generated Node #0,1,0: 27:[69, 79] Operation: 66+13=79 Exploring Operation: 66-13=53, Resulting Numbers: [69, 53] Generated Node #0,1,1: 27:[69, 53] Operation: 66-13=53 Exploring Operation: 69-13=56, Resulting Numbers: [66, 56] Generated Node #0,1,2: 27:[66, 56] Operation: 69-13=56 Exploring Operation: 69-66=3, Resulting Numbers: [13, 3] Generated Node #0,1,3: 27:[13, 3] Operation: 69-66=3 Exploring Operation: 13+69=82, Resulting Numbers: [66, 82] Generated Node #0,1,4: 27:[66, 82] Operation: 13+69=82 Moving to Node #0,1,3 Current State: 27:[13, 3], Operations: ['74-5=69', '69-66=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,27 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,27 unequal: No Solution Moving to Node #0,1,2 Current State: 27:[66, 56], Operations: ['74-5=69', '69-13=56'] Exploring Operation: 66-56=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 66+56=122, Resulting Numbers: [122] 122,27 unequal: No Solution Exploring Operation: 66*56=3696, Resulting Numbers: [3696] 3696,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[69, 53], Operations: ['74-5=69', '66-13=53'] Exploring Operation: 69-53=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 69+53=122, Resulting Numbers: [122] 122,27 unequal: No Solution Exploring Operation: 69*53=3657, Resulting Numbers: [3657] 3657,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[69, 79], Operations: ['74-5=69', '66+13=79'] Exploring Operation: 69*79=5451, Resulting Numbers: [5451] 5451,27 unequal: No Solution Exploring Operation: 79-69=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 69+79=148, Resulting Numbers: [148] 148,27 unequal: No Solution Moving to Node #0,1,4 Current State: 27:[66, 82], Operations: ['74-5=69', '13+69=82'] Exploring Operation: 66+82=148, Resulting Numbers: [148] 148,27 unequal: No Solution Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 66*82=5412, Resulting Numbers: [5412] 5412,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 58, 18, 30, 98 ]
28
[ "58-18=40", "98-30=68", "68-40=28" ]
Current State: 28:[58, 18, 30, 98], Operations: [] Exploring Operation: 58-18=40, Resulting Numbers: [30, 98, 40] Generated Node #2: [30, 98, 40] from Operation: 58-18=40 Current State: 28:[30, 98, 40], Operations: ['58-18=40'] Exploring Operation: 98-30=68, Resulting Numbers: [40, 68] Generated Node #3: [40, 68] from Operation: 98-30=68 Current State: 28:[40, 68], Operations: ['58-18=40', '98-30=68'] Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[58, 18, 30, 98], Operations: [] Exploring Operation: 58-18=40, Resulting Numbers: [30, 98, 40] Generated Node #0,0: 28:[30, 98, 40] Operation: 58-18=40 Exploring Operation: 98-58=40, Resulting Numbers: [18, 30, 40] Generated Node #0,1: 28:[18, 30, 40] Operation: 98-58=40 Exploring Operation: 98-30=68, Resulting Numbers: [58, 18, 68] Generated Node #0,2: 28:[58, 18, 68] Operation: 98-30=68 Exploring Operation: 58-30=28, Resulting Numbers: [18, 98, 28] Generated Node #0,3: 28:[18, 98, 28] Operation: 58-30=28 Moving to Node #0,1 Current State: 28:[18, 30, 40], Operations: ['98-58=40'] Exploring Operation: 40-18=22, Resulting Numbers: [30, 22] Generated Node #0,1,0: 28:[30, 22] Operation: 40-18=22 Exploring Operation: 30-18=12, Resulting Numbers: [40, 12] Generated Node #0,1,1: 28:[40, 12] Operation: 30-18=12 Exploring Operation: 40-30=10, Resulting Numbers: [18, 10] Generated Node #0,1,2: 28:[18, 10] Operation: 40-30=10 Exploring Operation: 18+30=48, Resulting Numbers: [40, 48] Generated Node #0,1,3: 28:[40, 48] Operation: 18+30=48 Moving to Node #0,3 Current State: 28:[18, 98, 28], Operations: ['58-30=28'] Exploring Operation: 18+98=116, Resulting Numbers: [28, 116] Generated Node #0,3,0: 28:[28, 116] Operation: 18+98=116 Exploring Operation: 28-18=10, Resulting Numbers: [98, 10] Generated Node #0,3,1: 28:[98, 10] Operation: 28-18=10 Exploring Operation: 98-18=80, Resulting Numbers: [28, 80] Generated Node #0,3,2: 28:[28, 80] Operation: 98-18=80 Exploring Operation: 98-28=70, Resulting Numbers: [18, 70] Generated Node #0,3,3: 28:[18, 70] Operation: 98-28=70 Moving to Node #0,2 Current State: 28:[58, 18, 68], Operations: ['98-30=68'] Exploring Operation: 68-58=10, Resulting Numbers: [18, 10] Generated Node #0,2,0: 28:[18, 10] Operation: 68-58=10 Exploring Operation: 68-18=50, Resulting Numbers: [58, 50] Generated Node #0,2,1: 28:[58, 50] Operation: 68-18=50 Exploring Operation: 58+18=76, Resulting Numbers: [68, 76] Generated Node #0,2,2: 28:[68, 76] Operation: 58+18=76 Exploring Operation: 58-18=40, Resulting Numbers: [68, 40] Generated Node #0,2,3: 28:[68, 40] Operation: 58-18=40 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 28:[18, 10], Operations: ['98-30=68', '68-58=10'] Exploring Operation: 18*10=180, Resulting Numbers: [180] 180,28 unequal: No Solution Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[58, 18, 30, 98], Operations: [] Exploring Operation: 98-30=68, Resulting Numbers: [58, 18, 68] Generated Node #0,2: 28:[58, 18, 68] Operation: 98-30=68 Moving to Node #0,2 Current State: 28:[58, 18, 68], Operations: ['98-30=68'] Exploring Operation: 68-58=10, Resulting Numbers: [18, 10] Generated Node #0,2,0: 28:[18, 10] Operation: 68-58=10 Moving to Node #0,2,0 Current State: 28:[18, 10], Operations: ['98-30=68', '68-58=10'] Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 17, 51, 84, 73 ]
57
[ "17+51=68", "84-73=11", "68-11=57" ]
Current State: 57:[17, 51, 84, 73], Operations: [] Exploring Operation: 17+51=68, Resulting Numbers: [84, 73, 68] Generated Node #2: [84, 73, 68] from Operation: 17+51=68 Current State: 57:[84, 73, 68], Operations: ['17+51=68'] Exploring Operation: 84-73=11, Resulting Numbers: [68, 11] Generated Node #3: [68, 11] from Operation: 84-73=11 Current State: 57:[68, 11], Operations: ['17+51=68', '84-73=11'] Exploring Operation: 68-11=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[17, 51, 84, 73], Operations: [] Exploring Operation: 84-51=33, Resulting Numbers: [17, 73, 33] Generated Node #0,0: 57:[17, 73, 33] Operation: 84-51=33 Exploring Operation: 84-17=67, Resulting Numbers: [51, 73, 67] Generated Node #0,1: 57:[51, 73, 67] Operation: 84-17=67 Exploring Operation: 84-73=11, Resulting Numbers: [17, 51, 11] Generated Node #0,2: 57:[17, 51, 11] Operation: 84-73=11 Exploring Operation: 73-51=22, Resulting Numbers: [17, 84, 22] Generated Node #0,3: 57:[17, 84, 22] Operation: 73-51=22 Exploring Operation: 73-17=56, Resulting Numbers: [51, 84, 56] Generated Node #0,4: 57:[51, 84, 56] Operation: 73-17=56 Moving to Node #0,2 Current State: 57:[17, 51, 11], Operations: ['84-73=11'] Exploring Operation: 17+51=68, Resulting Numbers: [11, 68] Generated Node #0,2,0: 57:[11, 68] Operation: 17+51=68 Exploring Operation: 51/17=3, Resulting Numbers: [11, 3] Generated Node #0,2,1: 57:[11, 3] Operation: 51/17=3 Exploring Operation: 17-11=6, Resulting Numbers: [51, 6] Generated Node #0,2,2: 57:[51, 6] Operation: 17-11=6 Exploring Operation: 51+11=62, Resulting Numbers: [17, 62] Generated Node #0,2,3: 57:[17, 62] Operation: 51+11=62 Exploring Operation: 17+11=28, Resulting Numbers: [51, 28] Generated Node #0,2,4: 57:[51, 28] Operation: 17+11=28 Moving to Node #0,1 Current State: 57:[51, 73, 67], Operations: ['84-17=67'] Exploring Operation: 73-51=22, Resulting Numbers: [67, 22] Generated Node #0,1,0: 57:[67, 22] Operation: 73-51=22 Exploring Operation: 73-67=6, Resulting Numbers: [51, 6] Generated Node #0,1,1: 57:[51, 6] Operation: 73-67=6 Exploring Operation: 67-51=16, Resulting Numbers: [73, 16] Generated Node #0,1,2: 57:[73, 16] Operation: 67-51=16 Exploring Operation: 51+73=124, Resulting Numbers: [67, 124] Generated Node #0,1,3: 57:[67, 124] Operation: 51+73=124 Exploring Operation: 51+67=118, Resulting Numbers: [73, 118] Generated Node #0,1,4: 57:[73, 118] Operation: 51+67=118 Moving to Node #0,0 Current State: 57:[17, 73, 33], Operations: ['84-51=33'] Exploring Operation: 73-33=40, Resulting Numbers: [17, 40] Generated Node #0,0,0: 57:[17, 40] Operation: 73-33=40 Exploring Operation: 17+73=90, Resulting Numbers: [33, 90] Generated Node #0,0,1: 57:[33, 90] Operation: 17+73=90 Exploring Operation: 33-17=16, Resulting Numbers: [73, 16] Generated Node #0,0,2: 57:[73, 16] Operation: 33-17=16 Exploring Operation: 73-17=56, Resulting Numbers: [33, 56] Generated Node #0,0,3: 57:[33, 56] Operation: 73-17=56 Exploring Operation: 17+33=50, Resulting Numbers: [73, 50] Generated Node #0,0,4: 57:[73, 50] Operation: 17+33=50 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 57:[33, 56], Operations: ['84-51=33', '73-17=56'] Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,57 unequal: No Solution Exploring Operation: 33*56=1848, Resulting Numbers: [1848] 1848,57 unequal: No Solution Exploring Operation: 33+56=89, Resulting Numbers: [89] 89,57 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 #0,0,0 Current State: 57:[17, 40], Operations: ['84-51=33', '73-33=40'] Exploring Operation: 17*40=680, Resulting Numbers: [680] 680,57 unequal: No Solution Exploring Operation: 17+40=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[17, 51, 84, 73], Operations: [] Exploring Operation: 84-51=33, Resulting Numbers: [17, 73, 33] Generated Node #0,0: 57:[17, 73, 33] Operation: 84-51=33 Moving to Node #0,0 Current State: 57:[17, 73, 33], Operations: ['84-51=33'] Exploring Operation: 73-33=40, Resulting Numbers: [17, 40] Generated Node #0,0,0: 57:[17, 40] Operation: 73-33=40 Moving to Node #0,0,0 Current State: 57:[17, 40], Operations: ['84-51=33', '73-33=40'] Exploring Operation: 17+40=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_5
mult_heuristic
[ 76, 32, 98, 89 ]
53
[ "76-32=44", "98-89=9", "44+9=53" ]
Current State: 53:[76, 32, 98, 89], Operations: [] Exploring Operation: 76-32=44, Resulting Numbers: [98, 89, 44] Generated Node #2: [98, 89, 44] from Operation: 76-32=44 Current State: 53:[98, 89, 44], Operations: ['76-32=44'] Exploring Operation: 98-89=9, Resulting Numbers: [44, 9] Generated Node #3: [44, 9] from Operation: 98-89=9 Current State: 53:[44, 9], Operations: ['76-32=44', '98-89=9'] Exploring Operation: 44+9=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[76, 32, 98, 89], Operations: [] Exploring Operation: 98-32=66, Resulting Numbers: [76, 89, 66] Generated Node #0,0: 53:[76, 89, 66] Operation: 98-32=66 Moving to Node #0,0 Current State: 53:[76, 89, 66], Operations: ['98-32=66'] Exploring Operation: 89-76=13, Resulting Numbers: [66, 13] Generated Node #0,0,0: 53:[66, 13] Operation: 89-76=13 Moving to Node #0,0,0 Current State: 53:[66, 13], Operations: ['98-32=66', '89-76=13'] Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[76, 32, 98, 89], Operations: [] Exploring Operation: 98-32=66, Resulting Numbers: [76, 89, 66] Generated Node #0,0: 53:[76, 89, 66] Operation: 98-32=66 Moving to Node #0,0 Current State: 53:[76, 89, 66], Operations: ['98-32=66'] Exploring Operation: 89-76=13, Resulting Numbers: [66, 13] Generated Node #0,0,0: 53:[66, 13] Operation: 89-76=13 Moving to Node #0,0,0 Current State: 53:[66, 13], Operations: ['98-32=66', '89-76=13'] Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 8, 38, 49, 63 ]
74
[ "63-49=14", "8*14=112", "112-38=74" ]
Current State: 74:[8, 38, 49, 63], Operations: [] Exploring Operation: 63-49=14, Resulting Numbers: [8, 38, 14] Generated Node #2: [8, 38, 14] from Operation: 63-49=14 Current State: 74:[8, 38, 14], Operations: ['63-49=14'] Exploring Operation: 8*14=112, Resulting Numbers: [38, 112] Generated Node #3: [38, 112] from Operation: 8*14=112 Current State: 74:[38, 112], Operations: ['63-49=14', '8*14=112'] Exploring Operation: 112-38=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[8, 38, 49, 63], Operations: [] Exploring Operation: 8+63=71, Resulting Numbers: [38, 49, 71] Generated Node #0,0: 74:[38, 49, 71] Operation: 8+63=71 Exploring Operation: 63-49=14, Resulting Numbers: [8, 38, 14] Generated Node #0,1: 74:[8, 38, 14] Operation: 63-49=14 Exploring Operation: 49-38=11, Resulting Numbers: [8, 63, 11] Generated Node #0,2: 74:[8, 63, 11] Operation: 49-38=11 Exploring Operation: 49-8=41, Resulting Numbers: [38, 63, 41] Generated Node #0,3: 74:[38, 63, 41] Operation: 49-8=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[38, 49, 71], Operations: ['8+63=71'] Exploring Operation: 38+49=87, Resulting Numbers: [71, 87] Generated Node #0,0,0: 74:[71, 87] Operation: 38+49=87 Exploring Operation: 49-38=11, Resulting Numbers: [71, 11] Generated Node #0,0,1: 74:[71, 11] Operation: 49-38=11 Exploring Operation: 71-38=33, Resulting Numbers: [49, 33] Generated Node #0,0,2: 74:[49, 33] Operation: 71-38=33 Exploring Operation: 71-49=22, Resulting Numbers: [38, 22] Generated Node #0,0,3: 74:[38, 22] Operation: 71-49=22 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 74:[71, 11], Operations: ['8+63=71', '49-38=11'] Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,74 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,74 unequal: No Solution Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,74 unequal: No Solution No 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: 74:[71, 87], Operations: ['8+63=71', '38+49=87'] Exploring Operation: 71+87=158, Resulting Numbers: [158] 158,74 unequal: No Solution Exploring Operation: 71*87=6177, Resulting Numbers: [6177] 6177,74 unequal: No Solution Exploring Operation: 87-71=16, Resulting Numbers: [16] 16,74 unequal: No Solution No 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: 74:[49, 33], Operations: ['8+63=71', '71-38=33'] Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,74 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,74 unequal: No Solution No 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: 74:[38, 22], Operations: ['8+63=71', '71-49=22'] Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,74 unequal: No Solution Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,74 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,74 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: 74:[38, 63, 41], Operations: ['49-8=41'] Exploring Operation: 63-41=22, Resulting Numbers: [38, 22] Generated Node #0,3,0: 74:[38, 22] Operation: 63-41=22 Exploring Operation: 38+41=79, Resulting Numbers: [63, 79] Generated Node #0,3,1: 74:[63, 79] Operation: 38+41=79 Exploring Operation: 41-38=3, Resulting Numbers: [63, 3] Generated Node #0,3,2: 74:[63, 3] Operation: 41-38=3 Exploring Operation: 63-38=25, Resulting Numbers: [41, 25] Generated Node #0,3,3: 74:[41, 25] Operation: 63-38=25 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 74:[63, 3], Operations: ['49-8=41', '41-38=3'] Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,74 unequal: No Solution Exploring Operation: 63*3=189, Resulting Numbers: [189] 189,74 unequal: No Solution Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,74 unequal: No Solution No 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: 74:[38, 22], Operations: ['49-8=41', '63-41=22'] Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,74 unequal: No Solution Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,74 unequal: No Solution No 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: 74:[63, 79], Operations: ['49-8=41', '38+41=79'] Exploring Operation: 63+79=142, Resulting Numbers: [142] 142,74 unequal: No Solution Exploring Operation: 63*79=4977, Resulting Numbers: [4977] 4977,74 unequal: No Solution Exploring Operation: 79-63=16, Resulting Numbers: [16] 16,74 unequal: No Solution No 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: 74:[41, 25], Operations: ['49-8=41', '63-38=25'] Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,74 unequal: No Solution Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,74 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: 74:[8, 38, 14], Operations: ['63-49=14'] Exploring Operation: 14-8=6, Resulting Numbers: [38, 6] Generated Node #0,1,0: 74:[38, 6] Operation: 14-8=6 Exploring Operation: 38-8=30, Resulting Numbers: [14, 30] Generated Node #0,1,1: 74:[14, 30] Operation: 38-8=30 Exploring Operation: 38-14=24, Resulting Numbers: [8, 24] Generated Node #0,1,2: 74:[8, 24] Operation: 38-14=24 Exploring Operation: 8+14=22, Resulting Numbers: [38, 22] Generated Node #0,1,3: 74:[38, 22] Operation: 8+14=22 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 74:[38, 6], Operations: ['63-49=14', '14-8=6'] Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,74 unequal: No Solution Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,74 unequal: No Solution No 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: 74:[38, 22], Operations: ['63-49=14', '8+14=22'] Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,74 unequal: No Solution Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,74 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,74 unequal: No Solution No 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: 74:[14, 30], Operations: ['63-49=14', '38-8=30'] Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 14*30=420, Resulting Numbers: [420] 420,74 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,74 unequal: No Solution No 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: 74:[8, 24], Operations: ['63-49=14', '38-14=24'] Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,74 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,74 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: 74:[8, 63, 11], Operations: ['49-38=11'] Exploring Operation: 11-8=3, Resulting Numbers: [63, 3] Generated Node #0,2,0: 74:[63, 3] Operation: 11-8=3 Exploring Operation: 63+11=74, Resulting Numbers: [8, 74] Generated Node #0,2,1: 74:[8, 74] Operation: 63+11=74 Exploring Operation: 8+63=71, Resulting Numbers: [11, 71] Generated Node #0,2,2: 74:[11, 71] Operation: 8+63=71 Exploring Operation: 63-11=52, Resulting Numbers: [8, 52] Generated Node #0,2,3: 74:[8, 52] Operation: 63-11=52 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 74:[8, 74], Operations: ['49-38=11', '63+11=74'] Exploring Operation: 8+74=82, Resulting Numbers: [82] 82,74 unequal: No Solution Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 8*74=592, Resulting Numbers: [592] 592,74 unequal: No Solution No 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: 74:[63, 3], Operations: ['49-38=11', '11-8=3'] Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,74 unequal: No Solution Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,74 unequal: No Solution Exploring Operation: 63*3=189, Resulting Numbers: [189] 189,74 unequal: No Solution No 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: 74:[11, 71], Operations: ['49-38=11', '8+63=71'] Exploring Operation: 11*71=781, Resulting Numbers: [781] 781,74 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,74 unequal: No Solution Exploring Operation: 11+71=82, Resulting Numbers: [82] 82,74 unequal: No Solution No 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: 74:[8, 52], Operations: ['49-38=11', '63-11=52'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 8*52=416, Resulting Numbers: [416] 416,74 unequal: No Solution Exploring Operation: 8+52=60, Resulting Numbers: [60] 60,74 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
[ 83, 75, 80, 57 ]
96
[ "83-80=3", "57*3=171", "171-75=96" ]
Current State: 96:[83, 75, 80, 57], Operations: [] Exploring Operation: 83-80=3, Resulting Numbers: [75, 57, 3] Generated Node #2: [75, 57, 3] from Operation: 83-80=3 Current State: 96:[75, 57, 3], Operations: ['83-80=3'] Exploring Operation: 57*3=171, Resulting Numbers: [75, 171] Generated Node #3: [75, 171] from Operation: 57*3=171 Current State: 96:[75, 171], Operations: ['83-80=3', '57*3=171'] Exploring Operation: 171-75=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[83, 75, 80, 57], Operations: [] Exploring Operation: 80-75=5, Resulting Numbers: [83, 57, 5] Generated Node #0,0: 96:[83, 57, 5] Operation: 80-75=5 Moving to Node #0,0 Current State: 96:[83, 57, 5], Operations: ['80-75=5'] Exploring Operation: 83-57=26, Resulting Numbers: [5, 26] Generated Node #0,0,0: 96:[5, 26] Operation: 83-57=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[5, 26], Operations: ['80-75=5', '83-57=26'] Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 28, 88, 47, 25 ]
85
[ "28+47=75", "75/25=3", "88-3=85" ]
Current State: 85:[28, 88, 47, 25], Operations: [] Exploring Operation: 28+47=75, Resulting Numbers: [88, 25, 75] Generated Node #2: [88, 25, 75] from Operation: 28+47=75 Current State: 85:[88, 25, 75], Operations: ['28+47=75'] Exploring Operation: 75/25=3, Resulting Numbers: [88, 3] Generated Node #3: [88, 3] from Operation: 75/25=3 Current State: 85:[88, 3], Operations: ['28+47=75', '75/25=3'] Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[28, 88, 47, 25], Operations: [] Exploring Operation: 47+25=72, Resulting Numbers: [28, 88, 72] Generated Node #0,0: 85:[28, 88, 72] Operation: 47+25=72 Exploring Operation: 47-28=19, Resulting Numbers: [88, 25, 19] Generated Node #0,1: 85:[88, 25, 19] Operation: 47-28=19 Exploring Operation: 28-25=3, Resulting Numbers: [88, 47, 3] Generated Node #0,2: 85:[88, 47, 3] Operation: 28-25=3 Exploring Operation: 47-25=22, Resulting Numbers: [28, 88, 22] Generated Node #0,3: 85:[28, 88, 22] Operation: 47-25=22 Exploring Operation: 28+47=75, Resulting Numbers: [88, 25, 75] Generated Node #0,4: 85:[88, 25, 75] Operation: 28+47=75 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[88, 25, 19], Operations: ['47-28=19'] Exploring Operation: 88-19=69, Resulting Numbers: [25, 69] Generated Node #0,1,0: 85:[25, 69] Operation: 88-19=69 Exploring Operation: 88-25=63, Resulting Numbers: [19, 63] Generated Node #0,1,1: 85:[19, 63] Operation: 88-25=63 Exploring Operation: 88+25=113, Resulting Numbers: [19, 113] Generated Node #0,1,2: 85:[19, 113] Operation: 88+25=113 Exploring Operation: 88+19=107, Resulting Numbers: [25, 107] Generated Node #0,1,3: 85:[25, 107] Operation: 88+19=107 Exploring Operation: 25-19=6, Resulting Numbers: [88, 6] Generated Node #0,1,4: 85:[88, 6] Operation: 25-19=6 Moving to Node #0,1,4 Current State: 85:[88, 6], Operations: ['47-28=19', '25-19=6'] Exploring Operation: 88*6=528, Resulting Numbers: [528] 528,85 unequal: No Solution Exploring Operation: 88+6=94, Resulting Numbers: [94] 94,85 unequal: No Solution Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[19, 63], Operations: ['47-28=19', '88-25=63'] Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,85 unequal: No Solution Exploring Operation: 19*63=1197, Resulting Numbers: [1197] 1197,85 unequal: No Solution Exploring Operation: 19+63=82, Resulting Numbers: [82] 82,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[25, 69], Operations: ['47-28=19', '88-19=69'] Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,85 unequal: No Solution Exploring Operation: 25*69=1725, Resulting Numbers: [1725] 1725,85 unequal: No Solution Exploring Operation: 25+69=94, Resulting Numbers: [94] 94,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[19, 113], Operations: ['47-28=19', '88+25=113'] Exploring Operation: 113-19=94, Resulting Numbers: [94] 94,85 unequal: No Solution Exploring Operation: 19+113=132, Resulting Numbers: [132] 132,85 unequal: No Solution Exploring Operation: 19*113=2147, Resulting Numbers: [2147] 2147,85 unequal: No Solution Moving to Node #0,1,3 Current State: 85:[25, 107], Operations: ['47-28=19', '88+19=107'] Exploring Operation: 107-25=82, Resulting Numbers: [82] 82,85 unequal: No Solution Exploring Operation: 25*107=2675, Resulting Numbers: [2675] 2675,85 unequal: No Solution Exploring Operation: 25+107=132, Resulting Numbers: [132] 132,85 unequal: No Solution No 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: 85:[28, 88, 22], Operations: ['47-25=22'] Exploring Operation: 88/22=4, Resulting Numbers: [28, 4] Generated Node #0,3,0: 85:[28, 4] Operation: 88/22=4 Exploring Operation: 28+88=116, Resulting Numbers: [22, 116] Generated Node #0,3,1: 85:[22, 116] Operation: 28+88=116 Exploring Operation: 28-22=6, Resulting Numbers: [88, 6] Generated Node #0,3,2: 85:[88, 6] Operation: 28-22=6 Exploring Operation: 88-22=66, Resulting Numbers: [28, 66] Generated Node #0,3,3: 85:[28, 66] Operation: 88-22=66 Exploring Operation: 88-28=60, Resulting Numbers: [22, 60] Generated Node #0,3,4: 85:[22, 60] Operation: 88-28=60 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 85:[88, 6], Operations: ['47-25=22', '28-22=6'] Exploring Operation: 88+6=94, Resulting Numbers: [94] 94,85 unequal: No Solution Exploring Operation: 88*6=528, Resulting Numbers: [528] 528,85 unequal: No Solution Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,85 unequal: No Solution No 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: 85:[28, 4], Operations: ['47-25=22', '88/22=4'] Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,85 unequal: No Solution Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,85 unequal: No Solution Exploring Operation: 28*4=112, Resulting Numbers: [112] 112,85 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,85 unequal: No Solution No 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: 85:[28, 66], Operations: ['47-25=22', '88-22=66'] Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,85 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,85 unequal: No Solution Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,85 unequal: No Solution No 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: 85:[22, 60], Operations: ['47-25=22', '88-28=60'] Exploring Operation: 60-22=38, Resulting Numbers: [38] 38,85 unequal: No Solution Exploring Operation: 22*60=1320, Resulting Numbers: [1320] 1320,85 unequal: No Solution Exploring Operation: 22+60=82, Resulting Numbers: [82] 82,85 unequal: No Solution No 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: 85:[22, 116], Operations: ['47-25=22', '28+88=116'] Exploring Operation: 22*116=2552, Resulting Numbers: [2552] 2552,85 unequal: No Solution Exploring Operation: 116-22=94, Resulting Numbers: [94] 94,85 unequal: No Solution Exploring Operation: 22+116=138, Resulting Numbers: [138] 138,85 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: 85:[88, 25, 75], Operations: ['28+47=75'] Exploring Operation: 88-25=63, Resulting Numbers: [75, 63] Generated Node #0,4,0: 85:[75, 63] Operation: 88-25=63 Exploring Operation: 25+75=100, Resulting Numbers: [88, 100] Generated Node #0,4,1: 85:[88, 100] Operation: 25+75=100 Exploring Operation: 88-75=13, Resulting Numbers: [25, 13] Generated Node #0,4,2: 85:[25, 13] Operation: 88-75=13 Exploring Operation: 75/25=3, Resulting Numbers: [88, 3] Generated Node #0,4,3: 85:[88, 3] Operation: 75/25=3 Exploring Operation: 75-25=50, Resulting Numbers: [88, 50] Generated Node #0,4,4: 85:[88, 50] Operation: 75-25=50 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 85:[88, 3], Operations: ['28+47=75', '75/25=3'] Exploring Operation: 88*3=264, Resulting Numbers: [264] 264,85 unequal: No Solution Exploring Operation: 88+3=91, Resulting Numbers: [91] 91,85 unequal: No Solution Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[28, 88, 47, 25], Operations: [] Exploring Operation: 28+47=75, Resulting Numbers: [88, 25, 75] Generated Node #0,4: 85:[88, 25, 75] Operation: 28+47=75 Moving to Node #0,4 Current State: 85:[88, 25, 75], Operations: ['28+47=75'] Exploring Operation: 75/25=3, Resulting Numbers: [88, 3] Generated Node #0,4,3: 85:[88, 3] Operation: 75/25=3 Moving to Node #0,4,3 Current State: 85:[88, 3], Operations: ['28+47=75', '75/25=3'] Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.949653
hs_5
sum_heuristic
[ 85, 15, 20, 54 ]
66
[ "85+15=100", "54-20=34", "100-34=66" ]
Current State: 66:[85, 15, 20, 54], Operations: [] Exploring Operation: 85+15=100, Resulting Numbers: [20, 54, 100] Generated Node #2: [20, 54, 100] from Operation: 85+15=100 Current State: 66:[20, 54, 100], Operations: ['85+15=100'] Exploring Operation: 54-20=34, Resulting Numbers: [100, 34] Generated Node #3: [100, 34] from Operation: 54-20=34 Current State: 66:[100, 34], Operations: ['85+15=100', '54-20=34'] Exploring Operation: 100-34=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[85, 15, 20, 54], Operations: [] Exploring Operation: 85-54=31, Resulting Numbers: [15, 20, 31] Generated Node #0,0: 66:[15, 20, 31] Operation: 85-54=31 Exploring Operation: 15+54=69, Resulting Numbers: [85, 20, 69] Generated Node #0,1: 66:[85, 20, 69] Operation: 15+54=69 Exploring Operation: 85-20=65, Resulting Numbers: [15, 54, 65] Generated Node #0,2: 66:[15, 54, 65] Operation: 85-20=65 Exploring Operation: 85-15=70, Resulting Numbers: [20, 54, 70] Generated Node #0,3: 66:[20, 54, 70] Operation: 85-15=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[15, 20, 31], Operations: ['85-54=31'] Exploring Operation: 15+20=35, Resulting Numbers: [31, 35] Generated Node #0,0,0: 66:[31, 35] Operation: 15+20=35 Exploring Operation: 31-15=16, Resulting Numbers: [20, 16] Generated Node #0,0,1: 66:[20, 16] Operation: 31-15=16 Exploring Operation: 31-20=11, Resulting Numbers: [15, 11] Generated Node #0,0,2: 66:[15, 11] Operation: 31-20=11 Exploring Operation: 20-15=5, Resulting Numbers: [31, 5] Generated Node #0,0,3: 66:[31, 5] Operation: 20-15=5 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 66:[31, 5], Operations: ['85-54=31', '20-15=5'] Exploring Operation: 31*5=155, Resulting Numbers: [155] 155,66 unequal: No Solution Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 31+5=36, Resulting Numbers: [36] 36,66 unequal: No Solution No 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: 66:[31, 35], Operations: ['85-54=31', '15+20=35'] Exploring Operation: 31+35=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[85, 15, 20, 54], Operations: [] Exploring Operation: 85-54=31, Resulting Numbers: [15, 20, 31] Generated Node #0,0: 66:[15, 20, 31] Operation: 85-54=31 Moving to Node #0,0 Current State: 66:[15, 20, 31], Operations: ['85-54=31'] Exploring Operation: 15+20=35, Resulting Numbers: [31, 35] Generated Node #0,0,0: 66:[31, 35] Operation: 15+20=35 Moving to Node #0,0,0 Current State: 66:[31, 35], Operations: ['85-54=31', '15+20=35'] Exploring Operation: 31+35=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 33, 34, 5, 58 ]
29
[ "58-33=25", "25/5=5", "34-5=29" ]
Current State: 29:[33, 34, 5, 58], Operations: [] Exploring Operation: 58-33=25, Resulting Numbers: [34, 5, 25] Generated Node #2: [34, 5, 25] from Operation: 58-33=25 Current State: 29:[34, 5, 25], Operations: ['58-33=25'] Exploring Operation: 25/5=5, Resulting Numbers: [34, 5] Generated Node #3: [34, 5] from Operation: 25/5=5 Current State: 29:[34, 5], Operations: ['58-33=25', '25/5=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[33, 34, 5, 58], Operations: [] Exploring Operation: 58-33=25, Resulting Numbers: [34, 5, 25] Generated Node #0,0: 29:[34, 5, 25] Operation: 58-33=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[34, 5, 25], Operations: ['58-33=25'] Exploring Operation: 34-5=29, Resulting Numbers: [25, 29] Generated Node #0,0,0: 29:[25, 29] Operation: 34-5=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[25, 29], Operations: ['58-33=25', '34-5=29'] Exploring Operation: 25+29=54, Resulting Numbers: [54] 54,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 48, 24, 96, 12 ]
86
[ "48/24=2", "96-12=84", "2+84=86" ]
Current State: 86:[48, 24, 96, 12], Operations: [] Exploring Operation: 48/24=2, Resulting Numbers: [96, 12, 2] Generated Node #2: [96, 12, 2] from Operation: 48/24=2 Current State: 86:[96, 12, 2], Operations: ['48/24=2'] Exploring Operation: 96-12=84, Resulting Numbers: [2, 84] Generated Node #3: [2, 84] from Operation: 96-12=84 Current State: 86:[2, 84], Operations: ['48/24=2', '96-12=84'] Exploring Operation: 2+84=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[48, 24, 96, 12], Operations: [] Exploring Operation: 24/12=2, Resulting Numbers: [48, 96, 2] Generated Node #0,0: 86:[48, 96, 2] Operation: 24/12=2 Exploring Operation: 96/24=4, Resulting Numbers: [48, 12, 4] Generated Node #0,1: 86:[48, 12, 4] Operation: 96/24=4 Moving to Node #0,0 Current State: 86:[48, 96, 2], Operations: ['24/12=2'] Exploring Operation: 96-48=48, Resulting Numbers: [2, 48] Generated Node #0,0,0: 86:[2, 48] Operation: 96-48=48 Exploring Operation: 96/48=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 86:[2, 2] Operation: 96/48=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[2, 2], Operations: ['24/12=2', '96/48=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,86 unequal: No Solution No 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: 86:[2, 48], Operations: ['24/12=2', '96-48=48'] Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,86 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: 86:[48, 12, 4], Operations: ['96/24=4'] Exploring Operation: 12/4=3, Resulting Numbers: [48, 3] Generated Node #0,1,0: 86:[48, 3] Operation: 12/4=3 Exploring Operation: 48/12=4, Resulting Numbers: [4, 4] Generated Node #0,1,1: 86:[4, 4] Operation: 48/12=4 Moving to Node #0,1,1 Current State: 86:[4, 4], Operations: ['96/24=4', '48/12=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[48, 3], Operations: ['96/24=4', '12/4=3'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,86 unequal: No Solution Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,86 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 3, 94, 17, 69 ]
96
[ "3*69=207", "94+17=111", "207-111=96" ]
Current State: 96:[3, 94, 17, 69], Operations: [] Exploring Operation: 3*69=207, Resulting Numbers: [94, 17, 207] Generated Node #2: [94, 17, 207] from Operation: 3*69=207 Current State: 96:[94, 17, 207], Operations: ['3*69=207'] Exploring Operation: 94+17=111, Resulting Numbers: [207, 111] Generated Node #3: [207, 111] from Operation: 94+17=111 Current State: 96:[207, 111], Operations: ['3*69=207', '94+17=111'] Exploring Operation: 207-111=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[3, 94, 17, 69], Operations: [] Exploring Operation: 69/3=23, Resulting Numbers: [94, 17, 23] Generated Node #0,0: 96:[94, 17, 23] Operation: 69/3=23 Exploring Operation: 94-69=25, Resulting Numbers: [3, 17, 25] Generated Node #0,1: 96:[3, 17, 25] Operation: 94-69=25 Exploring Operation: 69-17=52, Resulting Numbers: [3, 94, 52] Generated Node #0,2: 96:[3, 94, 52] Operation: 69-17=52 Moving to Node #0,1 Current State: 96:[3, 17, 25], Operations: ['94-69=25'] Exploring Operation: 17-3=14, Resulting Numbers: [25, 14] Generated Node #0,1,0: 96:[25, 14] Operation: 17-3=14 Exploring Operation: 25-17=8, Resulting Numbers: [3, 8] Generated Node #0,1,1: 96:[3, 8] Operation: 25-17=8 Exploring Operation: 25-3=22, Resulting Numbers: [17, 22] Generated Node #0,1,2: 96:[17, 22] Operation: 25-3=22 Moving to Node #0,0 Current State: 96:[94, 17, 23], Operations: ['69/3=23'] Exploring Operation: 17+23=40, Resulting Numbers: [94, 40] Generated Node #0,0,0: 96:[94, 40] Operation: 17+23=40 Exploring Operation: 23-17=6, Resulting Numbers: [94, 6] Generated Node #0,0,1: 96:[94, 6] Operation: 23-17=6 Exploring Operation: 94+17=111, Resulting Numbers: [23, 111] Generated Node #0,0,2: 96:[23, 111] Operation: 94+17=111 Moving to Node #0,2 Current State: 96:[3, 94, 52], Operations: ['69-17=52'] Exploring Operation: 3+94=97, Resulting Numbers: [52, 97] Generated Node #0,2,0: 96:[52, 97] Operation: 3+94=97 Exploring Operation: 94-52=42, Resulting Numbers: [3, 42] Generated Node #0,2,1: 96:[3, 42] Operation: 94-52=42 Exploring Operation: 52-3=49, Resulting Numbers: [94, 49] Generated Node #0,2,2: 96:[94, 49] Operation: 52-3=49 Moving to Node #0,1,1 Current State: 96:[3, 8], Operations: ['94-69=25', '25-17=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[94, 6], Operations: ['69/3=23', '23-17=6'] Exploring Operation: 94*6=564, Resulting Numbers: [564] 564,96 unequal: No Solution Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,96 unequal: No Solution Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,96 unequal: No Solution Moving to Node #0,1,2 Current State: 96:[17, 22], Operations: ['94-69=25', '25-3=22'] Exploring Operation: 17*22=374, Resulting Numbers: [374] 374,96 unequal: No Solution Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[94, 49], Operations: ['69-17=52', '52-3=49'] Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,96 unequal: No Solution Exploring Operation: 94*49=4606, Resulting Numbers: [4606] 4606,96 unequal: No Solution Exploring Operation: 94+49=143, Resulting Numbers: [143] 143,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[25, 14], Operations: ['94-69=25', '17-3=14'] Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 25*14=350, Resulting Numbers: [350] 350,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[52, 97], Operations: ['69-17=52', '3+94=97'] Exploring Operation: 52+97=149, Resulting Numbers: [149] 149,96 unequal: No Solution Exploring Operation: 52*97=5044, Resulting Numbers: [5044] 5044,96 unequal: No Solution Exploring Operation: 97-52=45, Resulting Numbers: [45] 45,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[3, 42], Operations: ['69-17=52', '94-52=42'] Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,96 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[94, 40], Operations: ['69/3=23', '17+23=40'] Exploring Operation: 94*40=3760, Resulting Numbers: [3760] 3760,96 unequal: No Solution Exploring Operation: 94-40=54, Resulting Numbers: [54] 54,96 unequal: No Solution Exploring Operation: 94+40=134, Resulting Numbers: [134] 134,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[23, 111], Operations: ['69/3=23', '94+17=111'] Exploring Operation: 23*111=2553, Resulting Numbers: [2553] 2553,96 unequal: No Solution Exploring Operation: 111-23=88, Resulting Numbers: [88] 88,96 unequal: No Solution Exploring Operation: 23+111=134, Resulting Numbers: [134] 134,96 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 66, 28, 88, 77 ]
27
[ "66-28=38", "88-77=11", "38-11=27" ]
Current State: 27:[66, 28, 88, 77], Operations: [] Exploring Operation: 66-28=38, Resulting Numbers: [88, 77, 38] Generated Node #2: [88, 77, 38] from Operation: 66-28=38 Current State: 27:[88, 77, 38], Operations: ['66-28=38'] Exploring Operation: 88-77=11, Resulting Numbers: [38, 11] Generated Node #3: [38, 11] from Operation: 88-77=11 Current State: 27:[38, 11], Operations: ['66-28=38', '88-77=11'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[66, 28, 88, 77], Operations: [] Exploring Operation: 88-77=11, Resulting Numbers: [66, 28, 11] Generated Node #0,0: 27:[66, 28, 11] Operation: 88-77=11 Exploring Operation: 88-66=22, Resulting Numbers: [28, 77, 22] Generated Node #0,1: 27:[28, 77, 22] Operation: 88-66=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[66, 28, 11], Operations: ['88-77=11'] Exploring Operation: 66/11=6, Resulting Numbers: [28, 6] Generated Node #0,0,0: 27:[28, 6] Operation: 66/11=6 Exploring Operation: 66-28=38, Resulting Numbers: [11, 38] Generated Node #0,0,1: 27:[11, 38] Operation: 66-28=38 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[28, 6], Operations: ['88-77=11', '66/11=6'] Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,27 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,27 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:[11, 38], Operations: ['88-77=11', '66-28=38'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[66, 28, 88, 77], Operations: [] Exploring Operation: 88-77=11, Resulting Numbers: [66, 28, 11] Generated Node #0,0: 27:[66, 28, 11] Operation: 88-77=11 Moving to Node #0,0 Current State: 27:[66, 28, 11], Operations: ['88-77=11'] Exploring Operation: 66-28=38, Resulting Numbers: [11, 38] Generated Node #0,0,1: 27:[11, 38] Operation: 66-28=38 Moving to Node #0,0,1 Current State: 27:[11, 38], Operations: ['88-77=11', '66-28=38'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 82, 23, 64, 41 ]
43
[ "82/41=2", "64-23=41", "2+41=43" ]
Current State: 43:[82, 23, 64, 41], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [23, 64, 2] Generated Node #2: [23, 64, 2] from Operation: 82/41=2 Current State: 43:[23, 64, 2], Operations: ['82/41=2'] Exploring Operation: 64-23=41, Resulting Numbers: [2, 41] Generated Node #3: [2, 41] from Operation: 64-23=41 Current State: 43:[2, 41], Operations: ['82/41=2', '64-23=41'] Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[82, 23, 64, 41], Operations: [] Exploring Operation: 64-23=41, Resulting Numbers: [82, 41, 41] Generated Node #0,0: 43:[82, 41, 41] Operation: 64-23=41 Exploring Operation: 82-64=18, Resulting Numbers: [23, 41, 18] Generated Node #0,1: 43:[23, 41, 18] Operation: 82-64=18 Exploring Operation: 82-41=41, Resulting Numbers: [23, 64, 41] Generated Node #0,2: 43:[23, 64, 41] Operation: 82-41=41 Exploring Operation: 82-23=59, Resulting Numbers: [64, 41, 59] Generated Node #0,3: 43:[64, 41, 59] Operation: 82-23=59 Exploring Operation: 64-41=23, Resulting Numbers: [82, 23, 23] Generated Node #0,4: 43:[82, 23, 23] Operation: 64-41=23 Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[64, 41, 59], Operations: ['82-23=59'] Exploring Operation: 41+59=100, Resulting Numbers: [64, 100] Generated Node #0,3,0: 43:[64, 100] Operation: 41+59=100 Exploring Operation: 64-41=23, Resulting Numbers: [59, 23] Generated Node #0,3,1: 43:[59, 23] Operation: 64-41=23 Exploring Operation: 64+41=105, Resulting Numbers: [59, 105] Generated Node #0,3,2: 43:[59, 105] Operation: 64+41=105 Exploring Operation: 64-59=5, Resulting Numbers: [41, 5] Generated Node #0,3,3: 43:[41, 5] Operation: 64-59=5 Exploring Operation: 59-41=18, Resulting Numbers: [64, 18] Generated Node #0,3,4: 43:[64, 18] Operation: 59-41=18 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[59, 23], Operations: ['82-23=59', '64-41=23'] Exploring Operation: 59-23=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 59*23=1357, Resulting Numbers: [1357] 1357,43 unequal: No Solution Exploring Operation: 59+23=82, Resulting Numbers: [82] 82,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 43:[41, 5], Operations: ['82-23=59', '64-59=5'] Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,43 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 43:[64, 18], Operations: ['82-23=59', '59-41=18'] Exploring Operation: 64*18=1152, Resulting Numbers: [1152] 1152,43 unequal: No Solution Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,43 unequal: No Solution Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[64, 100], Operations: ['82-23=59', '41+59=100'] Exploring Operation: 64+100=164, Resulting Numbers: [164] 164,43 unequal: No Solution Exploring Operation: 100-64=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 64*100=6400, Resulting Numbers: [6400] 6400,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 43:[59, 105], Operations: ['82-23=59', '64+41=105'] Exploring Operation: 105-59=46, Resulting Numbers: [46] 46,43 unequal: No Solution Exploring Operation: 59*105=6195, Resulting Numbers: [6195] 6195,43 unequal: No Solution Exploring Operation: 59+105=164, Resulting Numbers: [164] 164,43 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: 43:[82, 41, 41], Operations: ['64-23=41'] Exploring Operation: 82-41=41, Resulting Numbers: [41, 41] Generated Node #0,0,0: 43:[41, 41] Operation: 82-41=41 Exploring Operation: 82/41=2, Resulting Numbers: [41, 2] Generated Node #0,0,1: 43:[41, 2] Operation: 82/41=2 Exploring Operation: 41+41=82, Resulting Numbers: [82, 82] Generated Node #0,0,2: 43:[82, 82] Operation: 41+41=82 Exploring Operation: 82/41=2, Resulting Numbers: [41, 2] Generated Node #0,0,3: 43:[41, 2] Operation: 82/41=2 Exploring Operation: 82-41=41, Resulting Numbers: [41, 41] Generated Node #0,0,4: 43:[41, 41] Operation: 82-41=41 Moving to Node #0,0,0 Current State: 43:[41, 41], Operations: ['64-23=41', '82-41=41'] Exploring Operation: 41-41=0, Resulting Numbers: [0] 0,43 unequal: No Solution Exploring Operation: 41*41=1681, Resulting Numbers: [1681] 1681,43 unequal: No Solution Exploring Operation: 41/41=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 41+41=82, Resulting Numbers: [82] 82,43 unequal: No Solution Moving to Node #0,0,4 Current State: 43:[41, 41], Operations: ['64-23=41', '82-41=41'] Exploring Operation: 41/41=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 41+41=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 41-41=0, Resulting Numbers: [0] 0,43 unequal: No Solution Exploring Operation: 41*41=1681, Resulting Numbers: [1681] 1681,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[41, 2], Operations: ['64-23=41', '82/41=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[82, 23, 64, 41], Operations: [] Exploring Operation: 64-23=41, Resulting Numbers: [82, 41, 41] Generated Node #0,0: 43:[82, 41, 41] Operation: 64-23=41 Moving to Node #0,0 Current State: 43:[82, 41, 41], Operations: ['64-23=41'] Exploring Operation: 82/41=2, Resulting Numbers: [41, 2] Generated Node #0,0,1: 43:[41, 2] Operation: 82/41=2 Moving to Node #0,0,1 Current State: 43:[41, 2], Operations: ['64-23=41', '82/41=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.961806
hs_5
mult_heuristic
[ 2, 3, 33, 2 ]
68
[ "3-2=1", "33+1=34", "2*34=68" ]
Current State: 68:[2, 3, 33, 2], Operations: [] Exploring Operation: 3-2=1, Resulting Numbers: [33, 1] Generated Node #2: [33, 1] from Operation: 3-2=1 Current State: 68:[33, 1], Operations: ['3-2=1'] Exploring Operation: 33+1=34, Resulting Numbers: [34] 34,68 equal: Goal Reached Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[2, 3, 33, 2], Operations: [] Exploring Operation: 2+3=5, Resulting Numbers: [33, 2, 5] Generated Node #0,0: 68:[33, 2, 5] Operation: 2+3=5 Exploring Operation: 2+2=4, Resulting Numbers: [3, 33, 4] Generated Node #0,1: 68:[3, 33, 4] Operation: 2+2=4 Exploring Operation: 2+33=35, Resulting Numbers: [3, 2, 35] Generated Node #0,2: 68:[3, 2, 35] Operation: 2+33=35 Exploring Operation: 3-2=1, Resulting Numbers: [33, 2, 1] Generated Node #0,3: 68:[33, 2, 1] Operation: 3-2=1 Moving to Node #0,0 Current State: 68:[33, 2, 5], Operations: ['2+3=5'] Exploring Operation: 33*2=66, Resulting Numbers: [5, 66] Generated Node #0,0,0: 68:[5, 66] Operation: 33*2=66 Exploring Operation: 33-2=31, Resulting Numbers: [5, 31] Generated Node #0,0,1: 68:[5, 31] Operation: 33-2=31 Exploring Operation: 5-2=3, Resulting Numbers: [33, 3] Generated Node #0,0,2: 68:[33, 3] Operation: 5-2=3 Exploring Operation: 33+2=35, Resulting Numbers: [5, 35] Generated Node #0,0,3: 68:[5, 35] Operation: 33+2=35 Moving to Node #0,2 Current State: 68:[3, 2, 35], Operations: ['2+33=35'] Exploring Operation: 35-3=32, Resulting Numbers: [2, 32] Generated Node #0,2,0: 68:[2, 32] Operation: 35-3=32 Exploring Operation: 3-2=1, Resulting Numbers: [35, 1] Generated Node #0,2,1: 68:[35, 1] Operation: 3-2=1 Exploring Operation: 35-2=33, Resulting Numbers: [3, 33] Generated Node #0,2,2: 68:[3, 33] Operation: 35-2=33 Exploring Operation: 3+2=5, Resulting Numbers: [35, 5] Generated Node #0,2,3: 68:[35, 5] Operation: 3+2=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 68:[2, 32], Operations: ['2+33=35', '35-3=32'] Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 68:[35, 1], Operations: ['2+33=35', '3-2=1'] Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,68 unequal: No Solution Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,68 unequal: No Solution Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,68 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 68:[3, 33], Operations: ['2+33=35', '35-2=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,68 unequal: No Solution Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,68 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 68:[35, 5], Operations: ['2+33=35', '3+2=5'] Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,68 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 35*5=175, Resulting Numbers: [175] 175,68 unequal: No Solution Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 68:[3, 33, 4], Operations: ['2+2=4'] Exploring Operation: 4-3=1, Resulting Numbers: [33, 1] Generated Node #0,1,0: 68:[33, 1] Operation: 4-3=1 Exploring Operation: 33-3=30, Resulting Numbers: [4, 30] Generated Node #0,1,1: 68:[4, 30] Operation: 33-3=30 Exploring Operation: 3+4=7, Resulting Numbers: [33, 7] Generated Node #0,1,2: 68:[33, 7] Operation: 3+4=7 Exploring Operation: 3+33=36, Resulting Numbers: [4, 36] Generated Node #0,1,3: 68:[4, 36] Operation: 3+33=36 Moving to Node #0,3 Current State: 68:[33, 2, 1], Operations: ['3-2=1'] Exploring Operation: 33*1=33, Resulting Numbers: [2, 33] Generated Node #0,3,0: 68:[2, 33] Operation: 33*1=33 Exploring Operation: 33/1=33, Resulting Numbers: [2, 33] Generated Node #0,3,1: 68:[2, 33] Operation: 33/1=33 Exploring Operation: 2*1=2, Resulting Numbers: [33, 2] Generated Node #0,3,2: 68:[33, 2] Operation: 2*1=2 Exploring Operation: 33+1=34, Resulting Numbers: [2, 34] Generated Node #0,3,3: 68:[2, 34] Operation: 33+1=34 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 68:[2, 34], Operations: ['3-2=1', '33+1=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,68 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,68 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[2, 3, 33, 2], Operations: [] Exploring Operation: 3-2=1, Resulting Numbers: [33, 2, 1] Generated Node #0,3: 68:[33, 2, 1] Operation: 3-2=1 Moving to Node #0,3 Current State: 68:[33, 2, 1], Operations: ['3-2=1'] Exploring Operation: 33+1=34, Resulting Numbers: [2, 34] Generated Node #0,3,3: 68:[2, 34] Operation: 33+1=34 Moving to Node #0,3,3 Current State: 68:[2, 34], Operations: ['3-2=1', '33+1=34'] Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_4
mult_heuristic
[ 59, 18, 49, 58 ]
86
[ "59+18=77", "58-49=9", "77+9=86" ]
Current State: 86:[59, 18, 49, 58], Operations: [] Exploring Operation: 59+18=77, Resulting Numbers: [49, 58, 77] Generated Node #2: [49, 58, 77] from Operation: 59+18=77 Current State: 86:[49, 58, 77], Operations: ['59+18=77'] Exploring Operation: 58-49=9, Resulting Numbers: [77, 9] Generated Node #3: [77, 9] from Operation: 58-49=9 Current State: 86:[77, 9], Operations: ['59+18=77', '58-49=9'] Exploring Operation: 77+9=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[59, 18, 49, 58], Operations: [] Exploring Operation: 59-18=41, Resulting Numbers: [49, 58, 41] Generated Node #0,0: 86:[49, 58, 41] Operation: 59-18=41 Exploring Operation: 59-58=1, Resulting Numbers: [18, 49, 1] Generated Node #0,1: 86:[18, 49, 1] Operation: 59-58=1 Moving to Node #0,0 Current State: 86:[49, 58, 41], Operations: ['59-18=41'] Exploring Operation: 49+41=90, Resulting Numbers: [58, 90] Generated Node #0,0,0: 86:[58, 90] Operation: 49+41=90 Exploring Operation: 58-49=9, Resulting Numbers: [41, 9] Generated Node #0,0,1: 86:[41, 9] Operation: 58-49=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[41, 9], Operations: ['59-18=41', '58-49=9'] Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,86 unequal: No Solution Exploring Operation: 41+9=50, Resulting Numbers: [50] 50,86 unequal: No Solution No 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: 86:[58, 90], Operations: ['59-18=41', '49+41=90'] Exploring Operation: 58+90=148, Resulting Numbers: [148] 148,86 unequal: No Solution Exploring Operation: 90-58=32, Resulting Numbers: [32] 32,86 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: 86:[18, 49, 1], Operations: ['59-58=1'] Exploring Operation: 49-18=31, Resulting Numbers: [1, 31] Generated Node #0,1,0: 86:[1, 31] Operation: 49-18=31 Exploring Operation: 18+49=67, Resulting Numbers: [1, 67] Generated Node #0,1,1: 86:[1, 67] Operation: 18+49=67 Moving to Node #0,1,0 Current State: 86:[1, 31], Operations: ['59-58=1', '49-18=31'] Exploring Operation: 1*31=31, Resulting Numbers: [31] 31,86 unequal: No Solution Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[1, 67], Operations: ['59-58=1', '18+49=67'] Exploring Operation: 1+67=68, Resulting Numbers: [68] 68,86 unequal: No Solution Exploring Operation: 1*67=67, Resulting Numbers: [67] 67,86 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 74, 96, 10, 96 ]
65
[ "74-10=64", "96/96=1", "64+1=65" ]
Current State: 65:[74, 96, 10, 96], Operations: [] Exploring Operation: 74-10=64, Resulting Numbers: [96, 96, 64] Generated Node #2: [96, 96, 64] from Operation: 74-10=64 Current State: 65:[96, 96, 64], Operations: ['74-10=64'] Exploring Operation: 96/96=1, Resulting Numbers: [64, 1] Generated Node #3: [64, 1] from Operation: 96/96=1 Current State: 65:[64, 1], Operations: ['74-10=64', '96/96=1'] Exploring Operation: 64+1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[74, 96, 10, 96], Operations: [] Exploring Operation: 96/96=1, Resulting Numbers: [74, 10, 1] Generated Node #0,0: 65:[74, 10, 1] Operation: 96/96=1 Exploring Operation: 96-96=0, Resulting Numbers: [74, 10, 0] Generated Node #0,1: 65:[74, 10, 0] Operation: 96-96=0 Moving to Node #0,0 Current State: 65:[74, 10, 1], Operations: ['96/96=1'] Exploring Operation: 74-1=73, Resulting Numbers: [10, 73] Generated Node #0,0,0: 65:[10, 73] Operation: 74-1=73 Exploring Operation: 74-10=64, Resulting Numbers: [1, 64] Generated Node #0,0,1: 65:[1, 64] Operation: 74-10=64 Moving to Node #0,1 Current State: 65:[74, 10, 0], Operations: ['96-96=0'] Exploring Operation: 74*0=0, Resulting Numbers: [10, 0] Generated Node #0,1,0: 65:[10, 0] Operation: 74*0=0 Exploring Operation: 74-10=64, Resulting Numbers: [0, 64] Generated Node #0,1,1: 65:[0, 64] Operation: 74-10=64 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[0, 64], Operations: ['96-96=0', '74-10=64'] Exploring Operation: 64-0=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 0+64=64, Resulting Numbers: [64] 64,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[10, 0], Operations: ['96-96=0', '74*0=0'] Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,65 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: 65:[1, 64], Operations: ['96/96=1', '74-10=64'] Exploring Operation: 1*64=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 1+64=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[74, 96, 10, 96], Operations: [] Exploring Operation: 96/96=1, Resulting Numbers: [74, 10, 1] Generated Node #0,0: 65:[74, 10, 1] Operation: 96/96=1 Moving to Node #0,0 Current State: 65:[74, 10, 1], Operations: ['96/96=1'] Exploring Operation: 74-10=64, Resulting Numbers: [1, 64] Generated Node #0,0,1: 65:[1, 64] Operation: 74-10=64 Moving to Node #0,0,1 Current State: 65:[1, 64], Operations: ['96/96=1', '74-10=64'] Exploring Operation: 1+64=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 3, 72, 52, 2 ]
26
[ "72/3=24", "52-2=50", "50-24=26" ]
Current State: 26:[3, 72, 52, 2], Operations: [] Exploring Operation: 72/3=24, Resulting Numbers: [52, 2, 24] Generated Node #2: [52, 2, 24] from Operation: 72/3=24 Current State: 26:[52, 2, 24], Operations: ['72/3=24'] Exploring Operation: 52-2=50, Resulting Numbers: [24, 50] Generated Node #3: [24, 50] from Operation: 52-2=50 Current State: 26:[24, 50], Operations: ['72/3=24', '52-2=50'] Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[3, 72, 52, 2], Operations: [] Exploring Operation: 72/3=24, Resulting Numbers: [52, 2, 24] Generated Node #0,0: 26:[52, 2, 24] Operation: 72/3=24 Exploring Operation: 72/2=36, Resulting Numbers: [3, 52, 36] Generated Node #0,1: 26:[3, 52, 36] Operation: 72/2=36 Exploring Operation: 72-52=20, Resulting Numbers: [3, 2, 20] Generated Node #0,2: 26:[3, 2, 20] Operation: 72-52=20 Exploring Operation: 52/2=26, Resulting Numbers: [3, 72, 26] Generated Node #0,3: 26:[3, 72, 26] Operation: 52/2=26 Moving to Node #0,2 Current State: 26:[3, 2, 20], Operations: ['72-52=20'] Exploring Operation: 20-3=17, Resulting Numbers: [2, 17] Generated Node #0,2,0: 26:[2, 17] Operation: 20-3=17 Exploring Operation: 3+20=23, Resulting Numbers: [2, 23] Generated Node #0,2,1: 26:[2, 23] Operation: 3+20=23 Exploring Operation: 2+20=22, Resulting Numbers: [3, 22] Generated Node #0,2,2: 26:[3, 22] Operation: 2+20=22 Exploring Operation: 20/2=10, Resulting Numbers: [3, 10] Generated Node #0,2,3: 26:[3, 10] Operation: 20/2=10 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 26:[2, 23], Operations: ['72-52=20', '3+20=23'] Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,26 unequal: No Solution Exploring Operation: 2*23=46, Resulting Numbers: [46] 46,26 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 #0,2,0 Current State: 26:[2, 17], Operations: ['72-52=20', '20-3=17'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,26 unequal: No Solution Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,26 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 #0,2,3 Current State: 26:[3, 10], Operations: ['72-52=20', '20/2=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,26 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 #0,2,2 Current State: 26:[3, 22], Operations: ['72-52=20', '2+20=22'] Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,26 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: 26:[52, 2, 24], Operations: ['72/3=24'] Exploring Operation: 52-24=28, Resulting Numbers: [2, 28] Generated Node #0,0,0: 26:[2, 28] Operation: 52-24=28 Exploring Operation: 52-2=50, Resulting Numbers: [24, 50] Generated Node #0,0,1: 26:[24, 50] Operation: 52-2=50 Exploring Operation: 52/2=26, Resulting Numbers: [24, 26] Generated Node #0,0,2: 26:[24, 26] Operation: 52/2=26 Exploring Operation: 2+24=26, Resulting Numbers: [52, 26] Generated Node #0,0,3: 26:[52, 26] Operation: 2+24=26 Moving to Node #0,1 Current State: 26:[3, 52, 36], Operations: ['72/2=36'] Exploring Operation: 52-3=49, Resulting Numbers: [36, 49] Generated Node #0,1,0: 26:[36, 49] Operation: 52-3=49 Exploring Operation: 52-36=16, Resulting Numbers: [3, 16] Generated Node #0,1,1: 26:[3, 16] Operation: 52-36=16 Exploring Operation: 36-3=33, Resulting Numbers: [52, 33] Generated Node #0,1,2: 26:[52, 33] Operation: 36-3=33 Exploring Operation: 36/3=12, Resulting Numbers: [52, 12] Generated Node #0,1,3: 26:[52, 12] Operation: 36/3=12 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[3, 16], Operations: ['72/2=36', '52-36=16'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,26 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,26 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 #0,1,3 Current State: 26:[52, 12], Operations: ['72/2=36', '36/3=12'] Exploring Operation: 52+12=64, Resulting Numbers: [64] 64,26 unequal: No Solution Exploring Operation: 52*12=624, Resulting Numbers: [624] 624,26 unequal: No Solution Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,26 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 #0,1,0 Current State: 26:[36, 49], Operations: ['72/2=36', '52-3=49'] Exploring Operation: 36+49=85, Resulting Numbers: [85] 85,26 unequal: No Solution Exploring Operation: 36*49=1764, Resulting Numbers: [1764] 1764,26 unequal: No Solution Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,26 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 #0,1,2 Current State: 26:[52, 33], Operations: ['72/2=36', '36-3=33'] Exploring Operation: 52*33=1716, Resulting Numbers: [1716] 1716,26 unequal: No Solution Exploring Operation: 52-33=19, Resulting Numbers: [19] 19,26 unequal: No Solution Exploring Operation: 52+33=85, Resulting Numbers: [85] 85,26 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: 26:[3, 72, 26], Operations: ['52/2=26'] Exploring Operation: 3+72=75, Resulting Numbers: [26, 75] Generated Node #0,3,0: 26:[26, 75] Operation: 3+72=75 Exploring Operation: 72/3=24, Resulting Numbers: [26, 24] Generated Node #0,3,1: 26:[26, 24] Operation: 72/3=24 Exploring Operation: 72-26=46, Resulting Numbers: [3, 46] Generated Node #0,3,2: 26:[3, 46] Operation: 72-26=46 Exploring Operation: 72-3=69, Resulting Numbers: [26, 69] Generated Node #0,3,3: 26:[26, 69] Operation: 72-3=69 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 26:[26, 24], Operations: ['52/2=26', '72/3=24'] Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 26*24=624, Resulting Numbers: [624] 624,26 unequal: No Solution Exploring Operation: 26+24=50, Resulting Numbers: [50] 50,26 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 #0,3,2 Current State: 26:[3, 46], Operations: ['52/2=26', '72-26=46'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,26 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,26 unequal: No Solution Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,26 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 #0,3,3 Current State: 26:[26, 69], Operations: ['52/2=26', '72-3=69'] Exploring Operation: 26*69=1794, Resulting Numbers: [1794] 1794,26 unequal: No Solution Exploring Operation: 26+69=95, Resulting Numbers: [95] 95,26 unequal: No Solution Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 26:[26, 75], Operations: ['52/2=26', '3+72=75'] Exploring Operation: 26+75=101, Resulting Numbers: [101] 101,26 unequal: No Solution Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,26 unequal: No Solution Exploring Operation: 26*75=1950, Resulting Numbers: [1950] 1950,26 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: 26:[2, 28], Operations: ['72/3=24', '52-24=28'] Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,26 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[3, 72, 52, 2], Operations: [] Exploring Operation: 72/3=24, Resulting Numbers: [52, 2, 24] Generated Node #0,0: 26:[52, 2, 24] Operation: 72/3=24 Moving to Node #0,0 Current State: 26:[52, 2, 24], Operations: ['72/3=24'] Exploring Operation: 52-24=28, Resulting Numbers: [2, 28] Generated Node #0,0,0: 26:[2, 28] Operation: 52-24=28 Moving to Node #0,0,0 Current State: 26:[2, 28], Operations: ['72/3=24', '52-24=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.945313
hs_4
mult_heuristic
[ 57, 24, 60, 24 ]
57
[ "24-24=0", "60*0=0", "57+0=57" ]
Current State: 57:[57, 24, 60, 24], Operations: [] Exploring Operation: 24-24=0, Resulting Numbers: [57, 60, 0] Generated Node #2: [57, 60, 0] from Operation: 24-24=0 Current State: 57:[57, 60, 0], Operations: ['24-24=0'] Exploring Operation: 60*0=0, Resulting Numbers: [57, 0] Generated Node #3: [57, 0] from Operation: 60*0=0 Current State: 57:[57, 0], Operations: ['24-24=0', '60*0=0'] Exploring Operation: 57+0=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[57, 24, 60, 24], Operations: [] Exploring Operation: 24/24=1, Resulting Numbers: [57, 60, 1] Generated Node #0,0: 57:[57, 60, 1] Operation: 24/24=1 Exploring Operation: 60-57=3, Resulting Numbers: [24, 24, 3] Generated Node #0,1: 57:[24, 24, 3] Operation: 60-57=3 Exploring Operation: 24-24=0, Resulting Numbers: [57, 60, 0] Generated Node #0,2: 57:[57, 60, 0] Operation: 24-24=0 Moving to Node #0,0 Current State: 57:[57, 60, 1], Operations: ['24/24=1'] Exploring Operation: 57*1=57, Resulting Numbers: [60, 57] Generated Node #0,0,0: 57:[60, 57] Operation: 57*1=57 Exploring Operation: 60-1=59, Resulting Numbers: [57, 59] Generated Node #0,0,1: 57:[57, 59] Operation: 60-1=59 Exploring Operation: 60-57=3, Resulting Numbers: [1, 3] Generated Node #0,0,2: 57:[1, 3] Operation: 60-57=3 Moving to Node #0,2 Current State: 57:[57, 60, 0], Operations: ['24-24=0'] Exploring Operation: 57+0=57, Resulting Numbers: [60, 57] Generated Node #0,2,0: 57:[60, 57] Operation: 57+0=57 Exploring Operation: 57-0=57, Resulting Numbers: [60, 57] Generated Node #0,2,1: 57:[60, 57] Operation: 57-0=57 Exploring Operation: 60-57=3, Resulting Numbers: [0, 3] Generated Node #0,2,2: 57:[0, 3] Operation: 60-57=3 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 57:[60, 57], Operations: ['24-24=0', '57+0=57'] Exploring Operation: 60+57=117, Resulting Numbers: [117] 117,57 unequal: No Solution Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 60*57=3420, Resulting Numbers: [3420] 3420,57 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 #0,2,1 Current State: 57:[60, 57], Operations: ['24-24=0', '57-0=57'] Exploring Operation: 60+57=117, Resulting Numbers: [117] 117,57 unequal: No Solution Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 60*57=3420, Resulting Numbers: [3420] 3420,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 57:[0, 3], Operations: ['24-24=0', '60-57=3'] Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 0+3=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 0*3=0, Resulting Numbers: [0] 0,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 57:[24, 24, 3], Operations: ['60-57=3'] Exploring Operation: 24-24=0, Resulting Numbers: [3, 0] Generated Node #0,1,0: 57:[3, 0] Operation: 24-24=0 Exploring Operation: 24-3=21, Resulting Numbers: [24, 21] Generated Node #0,1,1: 57:[24, 21] Operation: 24-3=21 Exploring Operation: 24/24=1, Resulting Numbers: [3, 1] Generated Node #0,1,2: 57:[3, 1] Operation: 24/24=1 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 57:[3, 1], Operations: ['60-57=3', '24/24=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[3, 0], Operations: ['60-57=3', '24-24=0'] Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 3+0=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 3*0=0, Resulting Numbers: [0] 0,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 57:[24, 21], Operations: ['60-57=3', '24-3=21'] Exploring Operation: 24+21=45, Resulting Numbers: [45] 45,57 unequal: No Solution Exploring Operation: 24*21=504, Resulting Numbers: [504] 504,57 unequal: No Solution Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,57 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: 57:[57, 59], Operations: ['24/24=1', '60-1=59'] Exploring Operation: 59-57=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 57*59=3363, Resulting Numbers: [3363] 3363,57 unequal: No Solution Exploring Operation: 57+59=116, Resulting Numbers: [116] 116,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[1, 3], Operations: ['24/24=1', '60-57=3'] Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[60, 57], Operations: ['24/24=1', '57*1=57'] Exploring Operation: 60+57=117, Resulting Numbers: [117] 117,57 unequal: No Solution Exploring Operation: 60*57=3420, Resulting Numbers: [3420] 3420,57 unequal: No Solution Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,57 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 87, 67, 32, 55 ]
43
[ "87-67=20", "55-32=23", "20+23=43" ]
Current State: 43:[87, 67, 32, 55], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [32, 55, 20] Generated Node #2: [32, 55, 20] from Operation: 87-67=20 Current State: 43:[32, 55, 20], Operations: ['87-67=20'] Exploring Operation: 55-32=23, Resulting Numbers: [20, 23] Generated Node #3: [20, 23] from Operation: 55-32=23 Current State: 43:[20, 23], Operations: ['87-67=20', '55-32=23'] Exploring Operation: 20+23=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[87, 67, 32, 55], Operations: [] Exploring Operation: 67-32=35, Resulting Numbers: [87, 55, 35] Generated Node #0,0: 43:[87, 55, 35] Operation: 67-32=35 Exploring Operation: 67-55=12, Resulting Numbers: [87, 32, 12] Generated Node #0,1: 43:[87, 32, 12] Operation: 67-55=12 Exploring Operation: 87-67=20, Resulting Numbers: [32, 55, 20] Generated Node #0,2: 43:[32, 55, 20] Operation: 87-67=20 Exploring Operation: 87-32=55, Resulting Numbers: [67, 55, 55] Generated Node #0,3: 43:[67, 55, 55] Operation: 87-32=55 Exploring Operation: 87-55=32, Resulting Numbers: [67, 32, 32] Generated Node #0,4: 43:[67, 32, 32] Operation: 87-55=32 Moving to Node #0,2 Current State: 43:[32, 55, 20], Operations: ['87-67=20'] Exploring Operation: 55-20=35, Resulting Numbers: [32, 35] Generated Node #0,2,0: 43:[32, 35] Operation: 55-20=35 Exploring Operation: 32+20=52, Resulting Numbers: [55, 52] Generated Node #0,2,1: 43:[55, 52] Operation: 32+20=52 Exploring Operation: 32-20=12, Resulting Numbers: [55, 12] Generated Node #0,2,2: 43:[55, 12] Operation: 32-20=12 Exploring Operation: 55-32=23, Resulting Numbers: [20, 23] Generated Node #0,2,3: 43:[20, 23] Operation: 55-32=23 Exploring Operation: 55+20=75, Resulting Numbers: [32, 75] Generated Node #0,2,4: 43:[32, 75] Operation: 55+20=75 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 43:[32, 35], Operations: ['87-67=20', '55-20=35'] Exploring Operation: 32+35=67, Resulting Numbers: [67] 67,43 unequal: No Solution Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 32*35=1120, Resulting Numbers: [1120] 1120,43 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 #0,2,1 Current State: 43:[55, 52], Operations: ['87-67=20', '32+20=52'] Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 55*52=2860, Resulting Numbers: [2860] 2860,43 unequal: No Solution Exploring Operation: 55+52=107, Resulting Numbers: [107] 107,43 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 #0,2,2 Current State: 43:[55, 12], Operations: ['87-67=20', '32-20=12'] Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[87, 67, 32, 55], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [32, 55, 20] Generated Node #0,2: 43:[32, 55, 20] Operation: 87-67=20 Moving to Node #0,2 Current State: 43:[32, 55, 20], Operations: ['87-67=20'] Exploring Operation: 32-20=12, Resulting Numbers: [55, 12] Generated Node #0,2,2: 43:[55, 12] Operation: 32-20=12 Moving to Node #0,2,2 Current State: 43:[55, 12], Operations: ['87-67=20', '32-20=12'] Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 6, 82, 24, 71 ]
44
[ "24/6=4", "82-71=11", "4*11=44" ]
Current State: 44:[6, 82, 24, 71], Operations: [] Exploring Operation: 24/6=4, Resulting Numbers: [82, 71, 4] Generated Node #2: [82, 71, 4] from Operation: 24/6=4 Current State: 44:[82, 71, 4], Operations: ['24/6=4'] Exploring Operation: 82-71=11, Resulting Numbers: [4, 11] Generated Node #3: [4, 11] from Operation: 82-71=11 Current State: 44:[4, 11], Operations: ['24/6=4', '82-71=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[6, 82, 24, 71], Operations: [] Exploring Operation: 82-24=58, Resulting Numbers: [6, 71, 58] Generated Node #0,0: 44:[6, 71, 58] Operation: 82-24=58 Exploring Operation: 82-71=11, Resulting Numbers: [6, 24, 11] Generated Node #0,1: 44:[6, 24, 11] Operation: 82-71=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[6, 24, 11], Operations: ['82-71=11'] Exploring Operation: 11-6=5, Resulting Numbers: [24, 5] Generated Node #0,1,0: 44:[24, 5] Operation: 11-6=5 Exploring Operation: 24/6=4, Resulting Numbers: [11, 4] Generated Node #0,1,1: 44:[11, 4] Operation: 24/6=4 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 44:[11, 4], Operations: ['82-71=11', '24/6=4'] Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[6, 82, 24, 71], Operations: [] Exploring Operation: 82-71=11, Resulting Numbers: [6, 24, 11] Generated Node #0,1: 44:[6, 24, 11] Operation: 82-71=11 Moving to Node #0,1 Current State: 44:[6, 24, 11], Operations: ['82-71=11'] Exploring Operation: 24/6=4, Resulting Numbers: [11, 4] Generated Node #0,1,1: 44:[11, 4] Operation: 24/6=4 Moving to Node #0,1,1 Current State: 44:[11, 4], Operations: ['82-71=11', '24/6=4'] Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 78, 70, 27, 74 ]
47
[ "78+70=148", "27+74=101", "148-101=47" ]
Current State: 47:[78, 70, 27, 74], Operations: [] Exploring Operation: 78+70=148, Resulting Numbers: [27, 74, 148] Generated Node #2: [27, 74, 148] from Operation: 78+70=148 Current State: 47:[27, 74, 148], Operations: ['78+70=148'] Exploring Operation: 27+74=101, Resulting Numbers: [148, 101] Generated Node #3: [148, 101] from Operation: 27+74=101 Current State: 47:[148, 101], Operations: ['78+70=148', '27+74=101'] Exploring Operation: 148-101=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[78, 70, 27, 74], Operations: [] Exploring Operation: 78-70=8, Resulting Numbers: [27, 74, 8] Generated Node #0,0: 47:[27, 74, 8] Operation: 78-70=8 Exploring Operation: 70-27=43, Resulting Numbers: [78, 74, 43] Generated Node #0,1: 47:[78, 74, 43] Operation: 70-27=43 Exploring Operation: 74-27=47, Resulting Numbers: [78, 70, 47] Generated Node #0,2: 47:[78, 70, 47] Operation: 74-27=47 Exploring Operation: 78-27=51, Resulting Numbers: [70, 74, 51] Generated Node #0,3: 47:[70, 74, 51] Operation: 78-27=51 Moving to Node #0,2 Current State: 47:[78, 70, 47], Operations: ['74-27=47'] Exploring Operation: 70-47=23, Resulting Numbers: [78, 23] Generated Node #0,2,0: 47:[78, 23] Operation: 70-47=23 Exploring Operation: 78+70=148, Resulting Numbers: [47, 148] Generated Node #0,2,1: 47:[47, 148] Operation: 78+70=148 Exploring Operation: 78-70=8, Resulting Numbers: [47, 8] Generated Node #0,2,2: 47:[47, 8] Operation: 78-70=8 Exploring Operation: 78-47=31, Resulting Numbers: [70, 31] Generated Node #0,2,3: 47:[70, 31] Operation: 78-47=31 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[47, 8], Operations: ['74-27=47', '78-70=8'] Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 47+8=55, Resulting Numbers: [55] 55,47 unequal: No Solution Exploring Operation: 47*8=376, Resulting Numbers: [376] 376,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 47:[70, 31], Operations: ['74-27=47', '78-47=31'] Exploring Operation: 70*31=2170, Resulting Numbers: [2170] 2170,47 unequal: No Solution Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[78, 23], Operations: ['74-27=47', '70-47=23'] Exploring Operation: 78+23=101, Resulting Numbers: [101] 101,47 unequal: No Solution Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,47 unequal: No Solution Exploring Operation: 78*23=1794, Resulting Numbers: [1794] 1794,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[47, 148], Operations: ['74-27=47', '78+70=148'] Exploring Operation: 47*148=6956, Resulting Numbers: [6956] 6956,47 unequal: No Solution Exploring Operation: 47+148=195, Resulting Numbers: [195] 195,47 unequal: No Solution Exploring Operation: 148-47=101, Resulting Numbers: [101] 101,47 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: 47:[70, 74, 51], Operations: ['78-27=51'] Exploring Operation: 70+74=144, Resulting Numbers: [51, 144] Generated Node #0,3,0: 47:[51, 144] Operation: 70+74=144 Exploring Operation: 74-51=23, Resulting Numbers: [70, 23] Generated Node #0,3,1: 47:[70, 23] Operation: 74-51=23 Exploring Operation: 74-70=4, Resulting Numbers: [51, 4] Generated Node #0,3,2: 47:[51, 4] Operation: 74-70=4 Exploring Operation: 70-51=19, Resulting Numbers: [74, 19] Generated Node #0,3,3: 47:[74, 19] Operation: 70-51=19 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 47:[70, 23], Operations: ['78-27=51', '74-51=23'] Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[78, 70, 27, 74], Operations: [] Exploring Operation: 78-27=51, Resulting Numbers: [70, 74, 51] Generated Node #0,3: 47:[70, 74, 51] Operation: 78-27=51 Moving to Node #0,3 Current State: 47:[70, 74, 51], Operations: ['78-27=51'] Exploring Operation: 74-51=23, Resulting Numbers: [70, 23] Generated Node #0,3,1: 47:[70, 23] Operation: 74-51=23 Moving to Node #0,3,1 Current State: 47:[70, 23], Operations: ['78-27=51', '74-51=23'] Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 62, 8, 4, 3 ]
57
[ "62-3=59", "8/4=2", "59-2=57" ]
Current State: 57:[62, 8, 4, 3], Operations: [] Exploring Operation: 62-3=59, Resulting Numbers: [8, 4, 59] Generated Node #2: [8, 4, 59] from Operation: 62-3=59 Current State: 57:[8, 4, 59], Operations: ['62-3=59'] Exploring Operation: 8/4=2, Resulting Numbers: [59, 2] Generated Node #3: [59, 2] from Operation: 8/4=2 Current State: 57:[59, 2], Operations: ['62-3=59', '8/4=2'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[62, 8, 4, 3], Operations: [] Exploring Operation: 8-4=4, Resulting Numbers: [62, 3, 4] Generated Node #0,0: 57:[62, 3, 4] Operation: 8-4=4 Exploring Operation: 62-8=54, Resulting Numbers: [4, 3, 54] Generated Node #0,1: 57:[4, 3, 54] Operation: 62-8=54 Exploring Operation: 8/4=2, Resulting Numbers: [62, 3, 2] Generated Node #0,2: 57:[62, 3, 2] Operation: 8/4=2 Exploring Operation: 62-4=58, Resulting Numbers: [8, 3, 58] Generated Node #0,3: 57:[8, 3, 58] Operation: 62-4=58 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[4, 3, 54], Operations: ['62-8=54'] Exploring Operation: 4-3=1, Resulting Numbers: [54, 1] Generated Node #0,1,0: 57:[54, 1] Operation: 4-3=1 Exploring Operation: 4+54=58, Resulting Numbers: [3, 58] Generated Node #0,1,1: 57:[3, 58] Operation: 4+54=58 Exploring Operation: 54/3=18, Resulting Numbers: [4, 18] Generated Node #0,1,2: 57:[4, 18] Operation: 54/3=18 Exploring Operation: 3+54=57, Resulting Numbers: [4, 57] Generated Node #0,1,3: 57:[4, 57] Operation: 3+54=57 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[3, 58], Operations: ['62-8=54', '4+54=58'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 3*58=174, Resulting Numbers: [174] 174,57 unequal: No Solution Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,57 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 #0,1,3 Current State: 57:[4, 57], Operations: ['62-8=54', '3+54=57'] Exploring Operation: 4*57=228, Resulting Numbers: [228] 228,57 unequal: No Solution Exploring Operation: 4+57=61, Resulting Numbers: [61] 61,57 unequal: No Solution Exploring Operation: 57-4=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 #0,1,2 Current State: 57:[4, 18], Operations: ['62-8=54', '54/3=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,57 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,57 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,57 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 #0,1,0 Current State: 57:[54, 1], Operations: ['62-8=54', '4-3=1'] Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,57 unequal: No Solution Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,57 unequal: No Solution Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,57 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 #0,0 Current State: 57:[62, 3, 4], Operations: ['8-4=4'] Exploring Operation: 4-3=1, Resulting Numbers: [62, 1] Generated Node #0,0,0: 57:[62, 1] Operation: 4-3=1 Exploring Operation: 62-4=58, Resulting Numbers: [3, 58] Generated Node #0,0,1: 57:[3, 58] Operation: 62-4=58 Exploring Operation: 62+3=65, Resulting Numbers: [4, 65] Generated Node #0,0,2: 57:[4, 65] Operation: 62+3=65 Exploring Operation: 62-3=59, Resulting Numbers: [4, 59] Generated Node #0,0,3: 57:[4, 59] Operation: 62-3=59 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[3, 58], Operations: ['8-4=4', '62-4=58'] Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,57 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 3*58=174, Resulting Numbers: [174] 174,57 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:[4, 59], Operations: ['8-4=4', '62-3=59'] Exploring Operation: 4*59=236, Resulting Numbers: [236] 236,57 unequal: No Solution Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 4+59=63, Resulting Numbers: [63] 63,57 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:[62, 1], Operations: ['8-4=4', '4-3=1'] Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,57 unequal: No Solution Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,57 unequal: No Solution Exploring Operation: 62*1=62, Resulting Numbers: [62] 62,57 unequal: No Solution Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,57 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:[4, 65], Operations: ['8-4=4', '62+3=65'] Exploring Operation: 4+65=69, Resulting Numbers: [69] 69,57 unequal: No Solution Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,57 unequal: No Solution Exploring Operation: 4*65=260, Resulting Numbers: [260] 260,57 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 #0,2 Current State: 57:[62, 3, 2], Operations: ['8/4=2'] Exploring Operation: 62-2=60, Resulting Numbers: [3, 60] Generated Node #0,2,0: 57:[3, 60] Operation: 62-2=60 Exploring Operation: 62+2=64, Resulting Numbers: [3, 64] Generated Node #0,2,1: 57:[3, 64] Operation: 62+2=64 Exploring Operation: 62-3=59, Resulting Numbers: [2, 59] Generated Node #0,2,2: 57:[2, 59] Operation: 62-3=59 Exploring Operation: 3+2=5, Resulting Numbers: [62, 5] Generated Node #0,2,3: 57:[62, 5] Operation: 3+2=5 Moving to Node #0,2,0 Current State: 57:[3, 60], Operations: ['8/4=2', '62-2=60'] Exploring Operation: 3*60=180, Resulting Numbers: [180] 180,57 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,57 unequal: No Solution Exploring Operation: 3+60=63, Resulting Numbers: [63] 63,57 unequal: No Solution Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[62, 8, 4, 3], Operations: [] Exploring Operation: 8/4=2, Resulting Numbers: [62, 3, 2] Generated Node #0,2: 57:[62, 3, 2] Operation: 8/4=2 Moving to Node #0,2 Current State: 57:[62, 3, 2], Operations: ['8/4=2'] Exploring Operation: 62-2=60, Resulting Numbers: [3, 60] Generated Node #0,2,0: 57:[3, 60] Operation: 62-2=60 Moving to Node #0,2,0 Current State: 57:[3, 60], Operations: ['8/4=2', '62-2=60'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.956597
hs_4
sum_heuristic
[ 37, 32, 38, 69 ]
100
[ "37+32=69", "69-38=31", "69+31=100" ]
Current State: 100:[37, 32, 38, 69], Operations: [] Exploring Operation: 37+32=69, Resulting Numbers: [38, 69, 69] Generated Node #2: [38, 69, 69] from Operation: 37+32=69 Current State: 100:[38, 69, 69], Operations: ['37+32=69'] Exploring Operation: 69-38=31, Resulting Numbers: [31] 31,100 equal: Goal Reached Exploring Operation: 69+31=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[37, 32, 38, 69], Operations: [] Exploring Operation: 32+69=101, Resulting Numbers: [37, 38, 101] Generated Node #0,0: 100:[37, 38, 101] Operation: 32+69=101 Exploring Operation: 37+69=106, Resulting Numbers: [32, 38, 106] Generated Node #0,1: 100:[32, 38, 106] Operation: 37+69=106 Moving to Node #0,0 Current State: 100:[37, 38, 101], Operations: ['32+69=101'] Exploring Operation: 38-37=1, Resulting Numbers: [101, 1] Generated Node #0,0,0: 100:[101, 1] Operation: 38-37=1 Exploring Operation: 101-38=63, Resulting Numbers: [37, 63] Generated Node #0,0,1: 100:[37, 63] Operation: 101-38=63 Moving to Node #0,1 Current State: 100:[32, 38, 106], Operations: ['37+69=106'] Exploring Operation: 106-38=68, Resulting Numbers: [32, 68] Generated Node #0,1,0: 100:[32, 68] Operation: 106-38=68 Exploring Operation: 38-32=6, Resulting Numbers: [106, 6] Generated Node #0,1,1: 100:[106, 6] Operation: 38-32=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[106, 6], Operations: ['37+69=106', '38-32=6'] Exploring Operation: 106+6=112, Resulting Numbers: [112] 112,100 unequal: No Solution Exploring Operation: 106-6=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[37, 32, 38, 69], Operations: [] Exploring Operation: 37+69=106, Resulting Numbers: [32, 38, 106] Generated Node #0,1: 100:[32, 38, 106] Operation: 37+69=106 Moving to Node #0,1 Current State: 100:[32, 38, 106], Operations: ['37+69=106'] Exploring Operation: 38-32=6, Resulting Numbers: [106, 6] Generated Node #0,1,1: 100:[106, 6] Operation: 38-32=6 Moving to Node #0,1,1 Current State: 100:[106, 6], Operations: ['37+69=106', '38-32=6'] Exploring Operation: 106-6=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 78, 31, 67, 94 ]
65
[ "78-31=47", "94/47=2", "67-2=65" ]
Current State: 65:[78, 31, 67, 94], Operations: [] Exploring Operation: 78-31=47, Resulting Numbers: [67, 94, 47] Generated Node #2: [67, 94, 47] from Operation: 78-31=47 Current State: 65:[67, 94, 47], Operations: ['78-31=47'] Exploring Operation: 94/47=2, Resulting Numbers: [67, 2] Generated Node #3: [67, 2] from Operation: 94/47=2 Current State: 65:[67, 2], Operations: ['78-31=47', '94/47=2'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[78, 31, 67, 94], Operations: [] Exploring Operation: 94-67=27, Resulting Numbers: [78, 31, 27] Generated Node #0,0: 65:[78, 31, 27] Operation: 94-67=27 Exploring Operation: 94-31=63, Resulting Numbers: [78, 67, 63] Generated Node #0,1: 65:[78, 67, 63] Operation: 94-31=63 Exploring Operation: 94-78=16, Resulting Numbers: [31, 67, 16] Generated Node #0,2: 65:[31, 67, 16] Operation: 94-78=16 Moving to Node #0,1 Current State: 65:[78, 67, 63], Operations: ['94-31=63'] Exploring Operation: 67-63=4, Resulting Numbers: [78, 4] Generated Node #0,1,0: 65:[78, 4] Operation: 67-63=4 Exploring Operation: 78-67=11, Resulting Numbers: [63, 11] Generated Node #0,1,1: 65:[63, 11] Operation: 78-67=11 Exploring Operation: 78-63=15, Resulting Numbers: [67, 15] Generated Node #0,1,2: 65:[67, 15] Operation: 78-63=15 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[63, 11], Operations: ['94-31=63', '78-67=11'] Exploring Operation: 63+11=74, Resulting Numbers: [74] 74,65 unequal: No Solution Exploring Operation: 63*11=693, Resulting Numbers: [693] 693,65 unequal: No Solution Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[67, 15], Operations: ['94-31=63', '78-63=15'] Exploring Operation: 67+15=82, Resulting Numbers: [82] 82,65 unequal: No Solution Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,65 unequal: No Solution Exploring Operation: 67*15=1005, Resulting Numbers: [1005] 1005,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[78, 4], Operations: ['94-31=63', '67-63=4'] Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,65 unequal: No Solution Exploring Operation: 78*4=312, Resulting Numbers: [312] 312,65 unequal: No Solution Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,65 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: 65:[31, 67, 16], Operations: ['94-78=16'] Exploring Operation: 31+16=47, Resulting Numbers: [67, 47] Generated Node #0,2,0: 65:[67, 47] Operation: 31+16=47 Exploring Operation: 67-31=36, Resulting Numbers: [16, 36] Generated Node #0,2,1: 65:[16, 36] Operation: 67-31=36 Exploring Operation: 31-16=15, Resulting Numbers: [67, 15] Generated Node #0,2,2: 65:[67, 15] Operation: 31-16=15 Moving to Node #0,0 Current State: 65:[78, 31, 27], Operations: ['94-67=27'] Exploring Operation: 31-27=4, Resulting Numbers: [78, 4] Generated Node #0,0,0: 65:[78, 4] Operation: 31-27=4 Exploring Operation: 78-31=47, Resulting Numbers: [27, 47] Generated Node #0,0,1: 65:[27, 47] Operation: 78-31=47 Exploring Operation: 31+27=58, Resulting Numbers: [78, 58] Generated Node #0,0,2: 65:[78, 58] Operation: 31+27=58 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[78, 4], Operations: ['94-67=27', '31-27=4'] Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,65 unequal: No Solution Exploring Operation: 78*4=312, Resulting Numbers: [312] 312,65 unequal: No Solution Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 65:[78, 58], Operations: ['94-67=27', '31+27=58'] Exploring Operation: 78*58=4524, Resulting Numbers: [4524] 4524,65 unequal: No Solution Exploring Operation: 78-58=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 78+58=136, Resulting Numbers: [136] 136,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[27, 47], Operations: ['94-67=27', '78-31=47'] Exploring Operation: 27*47=1269, Resulting Numbers: [1269] 1269,65 unequal: No Solution Exploring Operation: 47-27=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 27+47=74, Resulting Numbers: [74] 74,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 65:[67, 15], Operations: ['94-78=16', '31-16=15'] Exploring Operation: 67+15=82, Resulting Numbers: [82] 82,65 unequal: No Solution Exploring Operation: 67*15=1005, Resulting Numbers: [1005] 1005,65 unequal: No Solution Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[67, 47], Operations: ['94-78=16', '31+16=47'] Exploring Operation: 67*47=3149, Resulting Numbers: [3149] 3149,65 unequal: No Solution Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 67+47=114, Resulting Numbers: [114] 114,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[16, 36], Operations: ['94-78=16', '67-31=36'] Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 16*36=576, Resulting Numbers: [576] 576,65 unequal: No Solution Exploring Operation: 16+36=52, Resulting Numbers: [52] 52,65 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 62, 1, 32, 28 ]
59
[ "62+1=63", "32-28=4", "63-4=59" ]
Current State: 59:[62, 1, 32, 28], Operations: [] Exploring Operation: 62+1=63, Resulting Numbers: [32, 28, 63] Generated Node #2: [32, 28, 63] from Operation: 62+1=63 Current State: 59:[32, 28, 63], Operations: ['62+1=63'] Exploring Operation: 32-28=4, Resulting Numbers: [63, 4] Generated Node #3: [63, 4] from Operation: 32-28=4 Current State: 59:[63, 4], Operations: ['62+1=63', '32-28=4'] Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[62, 1, 32, 28], Operations: [] Exploring Operation: 1+32=33, Resulting Numbers: [62, 28, 33] Generated Node #0,0: 59:[62, 28, 33] Operation: 1+32=33 Exploring Operation: 62-1=61, Resulting Numbers: [32, 28, 61] Generated Node #0,1: 59:[32, 28, 61] Operation: 62-1=61 Moving to Node #0,0 Current State: 59:[62, 28, 33], Operations: ['1+32=33'] Exploring Operation: 62-28=34, Resulting Numbers: [33, 34] Generated Node #0,0,0: 59:[33, 34] Operation: 62-28=34 Exploring Operation: 28+33=61, Resulting Numbers: [62, 61] Generated Node #0,0,1: 59:[62, 61] Operation: 28+33=61 Moving to Node #0,1 Current State: 59:[32, 28, 61], Operations: ['62-1=61'] Exploring Operation: 61-28=33, Resulting Numbers: [32, 33] Generated Node #0,1,0: 59:[32, 33] Operation: 61-28=33 Exploring Operation: 32+28=60, Resulting Numbers: [61, 60] Generated Node #0,1,1: 59:[61, 60] Operation: 32+28=60 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[61, 60], Operations: ['62-1=61', '32+28=60'] Exploring Operation: 61-60=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 61+60=121, Resulting Numbers: [121] 121,59 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:[32, 33], Operations: ['62-1=61', '61-28=33'] Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,59 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,59 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: 59:[62, 61], Operations: ['1+32=33', '28+33=61'] Exploring Operation: 62-61=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 62+61=123, Resulting Numbers: [123] 123,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[33, 34], Operations: ['1+32=33', '62-28=34'] Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 33+34=67, Resulting Numbers: [67] 67,59 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 62, 77, 84, 10 ]
45
[ "62+77=139", "84+10=94", "139-94=45" ]
Current State: 45:[62, 77, 84, 10], Operations: [] Exploring Operation: 62+77=139, Resulting Numbers: [84, 10, 139] Generated Node #2: [84, 10, 139] from Operation: 62+77=139 Current State: 45:[84, 10, 139], Operations: ['62+77=139'] Exploring Operation: 84+10=94, Resulting Numbers: [139, 94] Generated Node #3: [139, 94] from Operation: 84+10=94 Current State: 45:[139, 94], Operations: ['62+77=139', '84+10=94'] Exploring Operation: 139-94=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[62, 77, 84, 10], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [62, 10, 7] Generated Node #0,0: 45:[62, 10, 7] Operation: 84-77=7 Exploring Operation: 77-62=15, Resulting Numbers: [84, 10, 15] Generated Node #0,1: 45:[84, 10, 15] Operation: 77-62=15 Exploring Operation: 84-62=22, Resulting Numbers: [77, 10, 22] Generated Node #0,2: 45:[77, 10, 22] Operation: 84-62=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[62, 10, 7], Operations: ['84-77=7'] Exploring Operation: 10-7=3, Resulting Numbers: [62, 3] Generated Node #0,0,0: 45:[62, 3] Operation: 10-7=3 Exploring Operation: 62-10=52, Resulting Numbers: [7, 52] Generated Node #0,0,1: 45:[7, 52] Operation: 62-10=52 Exploring Operation: 62-7=55, Resulting Numbers: [10, 55] Generated Node #0,0,2: 45:[10, 55] Operation: 62-7=55 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[7, 52], Operations: ['84-77=7', '62-10=52'] Exploring Operation: 7+52=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[62, 77, 84, 10], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [62, 10, 7] Generated Node #0,0: 45:[62, 10, 7] Operation: 84-77=7 Moving to Node #0,0 Current State: 45:[62, 10, 7], Operations: ['84-77=7'] Exploring Operation: 62-10=52, Resulting Numbers: [7, 52] Generated Node #0,0,1: 45:[7, 52] Operation: 62-10=52 Moving to Node #0,0,1 Current State: 45:[7, 52], Operations: ['84-77=7', '62-10=52'] Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 90, 13, 9, 51 ]
54
[ "90/9=10", "13+51=64", "64-10=54" ]
Current State: 54:[90, 13, 9, 51], Operations: [] Exploring Operation: 90/9=10, Resulting Numbers: [13, 51, 10] Generated Node #2: [13, 51, 10] from Operation: 90/9=10 Current State: 54:[13, 51, 10], Operations: ['90/9=10'] Exploring Operation: 13+51=64, Resulting Numbers: [10, 64] Generated Node #3: [10, 64] from Operation: 13+51=64 Current State: 54:[10, 64], Operations: ['90/9=10', '13+51=64'] Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[90, 13, 9, 51], Operations: [] Exploring Operation: 90-51=39, Resulting Numbers: [13, 9, 39] Generated Node #0,0: 54:[13, 9, 39] Operation: 90-51=39 Exploring Operation: 90-13=77, Resulting Numbers: [9, 51, 77] Generated Node #0,1: 54:[9, 51, 77] Operation: 90-13=77 Exploring Operation: 90/9=10, Resulting Numbers: [13, 51, 10] Generated Node #0,2: 54:[13, 51, 10] Operation: 90/9=10 Moving to Node #0,2 Current State: 54:[13, 51, 10], Operations: ['90/9=10'] Exploring Operation: 13+10=23, Resulting Numbers: [51, 23] Generated Node #0,2,0: 54:[51, 23] Operation: 13+10=23 Exploring Operation: 13-10=3, Resulting Numbers: [51, 3] Generated Node #0,2,1: 54:[51, 3] Operation: 13-10=3 Exploring Operation: 13+51=64, Resulting Numbers: [10, 64] Generated Node #0,2,2: 54:[10, 64] Operation: 13+51=64 Moving to Node #0,0 Current State: 54:[13, 9, 39], Operations: ['90-51=39'] Exploring Operation: 39/13=3, Resulting Numbers: [9, 3] Generated Node #0,0,0: 54:[9, 3] Operation: 39/13=3 Exploring Operation: 39-13=26, Resulting Numbers: [9, 26] Generated Node #0,0,1: 54:[9, 26] Operation: 39-13=26 Exploring Operation: 13+39=52, Resulting Numbers: [9, 52] Generated Node #0,0,2: 54:[9, 52] Operation: 13+39=52 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[9, 3], Operations: ['90-51=39', '39/13=3'] Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,54 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[9, 26], Operations: ['90-51=39', '39-13=26'] Exploring Operation: 9+26=35, Resulting Numbers: [35] 35,54 unequal: No Solution Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 9*26=234, Resulting Numbers: [234] 234,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 54:[9, 52], Operations: ['90-51=39', '13+39=52'] Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,54 unequal: No Solution Exploring Operation: 9*52=468, Resulting Numbers: [468] 468,54 unequal: No Solution Exploring Operation: 9+52=61, Resulting Numbers: [61] 61,54 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: 54:[9, 51, 77], Operations: ['90-13=77'] Exploring Operation: 77-51=26, Resulting Numbers: [9, 26] Generated Node #0,1,0: 54:[9, 26] Operation: 77-51=26 Exploring Operation: 77-9=68, Resulting Numbers: [51, 68] Generated Node #0,1,1: 54:[51, 68] Operation: 77-9=68 Exploring Operation: 9+51=60, Resulting Numbers: [77, 60] Generated Node #0,1,2: 54:[77, 60] Operation: 9+51=60 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 54:[9, 26], Operations: ['90-13=77', '77-51=26'] Exploring Operation: 9*26=234, Resulting Numbers: [234] 234,54 unequal: No Solution Exploring Operation: 9+26=35, Resulting Numbers: [35] 35,54 unequal: No Solution Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 54:[51, 68], Operations: ['90-13=77', '77-9=68'] Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,54 unequal: No Solution Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,54 unequal: No Solution Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 54:[77, 60], Operations: ['90-13=77', '9+51=60'] Exploring Operation: 77+60=137, Resulting Numbers: [137] 137,54 unequal: No Solution Exploring Operation: 77-60=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 77*60=4620, Resulting Numbers: [4620] 4620,54 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: 54:[51, 3], Operations: ['90/9=10', '13-10=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[90, 13, 9, 51], Operations: [] Exploring Operation: 90/9=10, Resulting Numbers: [13, 51, 10] Generated Node #0,2: 54:[13, 51, 10] Operation: 90/9=10 Moving to Node #0,2 Current State: 54:[13, 51, 10], Operations: ['90/9=10'] Exploring Operation: 13-10=3, Resulting Numbers: [51, 3] Generated Node #0,2,1: 54:[51, 3] Operation: 13-10=3 Moving to Node #0,2,1 Current State: 54:[51, 3], Operations: ['90/9=10', '13-10=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.969618
hs_3
sum_heuristic
[ 78, 74, 3, 98 ]
50
[ "78/3=26", "98-74=24", "26+24=50" ]
Current State: 50:[78, 74, 3, 98], Operations: [] Exploring Operation: 78/3=26, Resulting Numbers: [74, 98, 26] Generated Node #2: [74, 98, 26] from Operation: 78/3=26 Current State: 50:[74, 98, 26], Operations: ['78/3=26'] Exploring Operation: 98-74=24, Resulting Numbers: [26, 24] Generated Node #3: [26, 24] from Operation: 98-74=24 Current State: 50:[26, 24], Operations: ['78/3=26', '98-74=24'] Exploring Operation: 26+24=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[78, 74, 3, 98], Operations: [] Exploring Operation: 98-78=20, Resulting Numbers: [74, 3, 20] Generated Node #0,0: 50:[74, 3, 20] Operation: 98-78=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[74, 3, 20], Operations: ['98-78=20'] Exploring Operation: 74-20=54, Resulting Numbers: [3, 54] Generated Node #0,0,0: 50:[3, 54] Operation: 74-20=54 Moving to Node #0,0,0 Current State: 50:[3, 54], Operations: ['98-78=20', '74-20=54'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 65, 16, 75, 15 ]
100
[ "65+75=140", "16*15=240", "240-140=100" ]
Current State: 100:[65, 16, 75, 15], Operations: [] Exploring Operation: 65+75=140, Resulting Numbers: [16, 15, 140] Generated Node #2: [16, 15, 140] from Operation: 65+75=140 Current State: 100:[16, 15, 140], Operations: ['65+75=140'] Exploring Operation: 16*15=240, Resulting Numbers: [140, 240] Generated Node #3: [140, 240] from Operation: 16*15=240 Current State: 100:[140, 240], Operations: ['65+75=140', '16*15=240'] Exploring Operation: 240-140=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[65, 16, 75, 15], Operations: [] Exploring Operation: 75-65=10, Resulting Numbers: [16, 15, 10] Generated Node #0,0: 100:[16, 15, 10] Operation: 75-65=10 Moving to Node #0,0 Current State: 100:[16, 15, 10], Operations: ['75-65=10'] Exploring Operation: 16-15=1, Resulting Numbers: [10, 1] Generated Node #0,0,0: 100:[10, 1] Operation: 16-15=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[10, 1], Operations: ['75-65=10', '16-15=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 8, 99, 69, 3 ]
66
[ "99-8=91", "91-69=22", "3*22=66" ]
Current State: 66:[8, 99, 69, 3], Operations: [] Exploring Operation: 99-8=91, Resulting Numbers: [69, 3, 91] Generated Node #2: [69, 3, 91] from Operation: 99-8=91 Current State: 66:[69, 3, 91], Operations: ['99-8=91'] Exploring Operation: 91-69=22, Resulting Numbers: [3, 22] Generated Node #3: [3, 22] from Operation: 91-69=22 Current State: 66:[3, 22], Operations: ['99-8=91', '91-69=22'] Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[8, 99, 69, 3], Operations: [] Exploring Operation: 99-69=30, Resulting Numbers: [8, 3, 30] Generated Node #0,0: 66:[8, 3, 30] Operation: 99-69=30 Exploring Operation: 99/3=33, Resulting Numbers: [8, 69, 33] Generated Node #0,1: 66:[8, 69, 33] Operation: 99/3=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[8, 3, 30], Operations: ['99-69=30'] Exploring Operation: 3+30=33, Resulting Numbers: [8, 33] Generated Node #0,0,0: 66:[8, 33] Operation: 3+30=33 Exploring Operation: 30-8=22, Resulting Numbers: [3, 22] Generated Node #0,0,1: 66:[3, 22] Operation: 30-8=22 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 66:[3, 22], Operations: ['99-69=30', '30-8=22'] Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[8, 99, 69, 3], Operations: [] Exploring Operation: 99-69=30, Resulting Numbers: [8, 3, 30] Generated Node #0,0: 66:[8, 3, 30] Operation: 99-69=30 Moving to Node #0,0 Current State: 66:[8, 3, 30], Operations: ['99-69=30'] Exploring Operation: 30-8=22, Resulting Numbers: [3, 22] Generated Node #0,0,1: 66:[3, 22] Operation: 30-8=22 Moving to Node #0,0,1 Current State: 66:[3, 22], Operations: ['99-69=30', '30-8=22'] Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 14, 54, 41, 32 ]
77
[ "14+54=68", "41-32=9", "68+9=77" ]
Current State: 77:[14, 54, 41, 32], Operations: [] Exploring Operation: 14+54=68, Resulting Numbers: [41, 32, 68] Generated Node #2: [41, 32, 68] from Operation: 14+54=68 Current State: 77:[41, 32, 68], Operations: ['14+54=68'] Exploring Operation: 41-32=9, Resulting Numbers: [68, 9] Generated Node #3: [68, 9] from Operation: 41-32=9 Current State: 77:[68, 9], Operations: ['14+54=68', '41-32=9'] Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[14, 54, 41, 32], Operations: [] Exploring Operation: 54-41=13, Resulting Numbers: [14, 32, 13] Generated Node #0,0: 77:[14, 32, 13] Operation: 54-41=13 Moving to Node #0,0 Current State: 77:[14, 32, 13], Operations: ['54-41=13'] Exploring Operation: 32-14=18, Resulting Numbers: [13, 18] Generated Node #0,0,0: 77:[13, 18] Operation: 32-14=18 Moving to Node #0,0,0 Current State: 77:[13, 18], Operations: ['54-41=13', '32-14=18'] Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,77 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 52, 34, 94, 19 ]
35
[ "94*19=1786", "34+1786=1820", "1820/52=35" ]
Current State: 35:[52, 34, 94, 19], Operations: [] Exploring Operation: 94*19=1786, Resulting Numbers: [52, 34, 1786] Generated Node #2: [52, 34, 1786] from Operation: 94*19=1786 Current State: 35:[52, 34, 1786], Operations: ['94*19=1786'] Exploring Operation: 34+1786=1820, Resulting Numbers: [52, 1820] Generated Node #3: [52, 1820] from Operation: 34+1786=1820 Current State: 35:[52, 1820], Operations: ['94*19=1786', '34+1786=1820'] Exploring Operation: 1820/52=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[52, 34, 94, 19], Operations: [] Exploring Operation: 94-19=75, Resulting Numbers: [52, 34, 75] Generated Node #0,0: 35:[52, 34, 75] Operation: 94-19=75 Exploring Operation: 94-34=60, Resulting Numbers: [52, 19, 60] Generated Node #0,1: 35:[52, 19, 60] Operation: 94-34=60 Exploring Operation: 52-19=33, Resulting Numbers: [34, 94, 33] Generated Node #0,2: 35:[34, 94, 33] Operation: 52-19=33 Exploring Operation: 94-52=42, Resulting Numbers: [34, 19, 42] Generated Node #0,3: 35:[34, 19, 42] Operation: 94-52=42 Exploring Operation: 52-34=18, Resulting Numbers: [94, 19, 18] Generated Node #0,4: 35:[94, 19, 18] Operation: 52-34=18 Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[34, 19, 42], Operations: ['94-52=42'] Exploring Operation: 34-19=15, Resulting Numbers: [42, 15] Generated Node #0,3,0: 35:[42, 15] Operation: 34-19=15 Exploring Operation: 42-34=8, Resulting Numbers: [19, 8] Generated Node #0,3,1: 35:[19, 8] Operation: 42-34=8 Exploring Operation: 34+19=53, Resulting Numbers: [42, 53] Generated Node #0,3,2: 35:[42, 53] Operation: 34+19=53 Exploring Operation: 19+42=61, Resulting Numbers: [34, 61] Generated Node #0,3,3: 35:[34, 61] Operation: 19+42=61 Exploring Operation: 42-19=23, Resulting Numbers: [34, 23] Generated Node #0,3,4: 35:[34, 23] Operation: 42-19=23 Moving to Node #0,3,1 Current State: 35:[19, 8], Operations: ['94-52=42', '42-34=8'] Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 19*8=152, Resulting Numbers: [152] 152,35 unequal: No Solution Moving to Node #0,3,4 Current State: 35:[34, 23], Operations: ['94-52=42', '42-19=23'] Exploring Operation: 34*23=782, Resulting Numbers: [782] 782,35 unequal: No Solution Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 34+23=57, Resulting Numbers: [57] 57,35 unequal: No Solution Moving to Node #0,3,0 Current State: 35:[42, 15], Operations: ['94-52=42', '34-19=15'] Exploring Operation: 42*15=630, Resulting Numbers: [630] 630,35 unequal: No Solution Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 42+15=57, Resulting Numbers: [57] 57,35 unequal: No Solution Moving to Node #0,3,2 Current State: 35:[42, 53], Operations: ['94-52=42', '34+19=53'] Exploring Operation: 42+53=95, Resulting Numbers: [95] 95,35 unequal: No Solution Exploring Operation: 42*53=2226, Resulting Numbers: [2226] 2226,35 unequal: No Solution Exploring Operation: 53-42=11, Resulting Numbers: [11] 11,35 unequal: No Solution Moving to Node #0,3,3 Current State: 35:[34, 61], Operations: ['94-52=42', '19+42=61'] Exploring Operation: 34*61=2074, Resulting Numbers: [2074] 2074,35 unequal: No Solution Exploring Operation: 61-34=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 34+61=95, Resulting Numbers: [95] 95,35 unequal: No Solution No 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:[52, 19, 60], Operations: ['94-34=60'] Exploring Operation: 19+60=79, Resulting Numbers: [52, 79] Generated Node #0,1,0: 35:[52, 79] Operation: 19+60=79 Exploring Operation: 60-19=41, Resulting Numbers: [52, 41] Generated Node #0,1,1: 35:[52, 41] Operation: 60-19=41 Exploring Operation: 52+19=71, Resulting Numbers: [60, 71] Generated Node #0,1,2: 35:[60, 71] Operation: 52+19=71 Exploring Operation: 52-19=33, Resulting Numbers: [60, 33] Generated Node #0,1,3: 35:[60, 33] Operation: 52-19=33 Exploring Operation: 60-52=8, Resulting Numbers: [19, 8] Generated Node #0,1,4: 35:[19, 8] Operation: 60-52=8 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 35:[19, 8], Operations: ['94-34=60', '60-52=8'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 19*8=152, Resulting Numbers: [152] 152,35 unequal: No Solution Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,35 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 #0,1,1 Current State: 35:[52, 41], Operations: ['94-34=60', '60-19=41'] Exploring Operation: 52*41=2132, Resulting Numbers: [2132] 2132,35 unequal: No Solution Exploring Operation: 52+41=93, Resulting Numbers: [93] 93,35 unequal: No Solution Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,35 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 #0,1,3 Current State: 35:[60, 33], Operations: ['94-34=60', '52-19=33'] Exploring Operation: 60+33=93, Resulting Numbers: [93] 93,35 unequal: No Solution Exploring Operation: 60-33=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 60*33=1980, Resulting Numbers: [1980] 1980,35 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 #0,1,0 Current State: 35:[52, 79], Operations: ['94-34=60', '19+60=79'] Exploring Operation: 79-52=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 52*79=4108, Resulting Numbers: [4108] 4108,35 unequal: No Solution Exploring Operation: 52+79=131, Resulting Numbers: [131] 131,35 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 #0,1,2 Current State: 35:[60, 71], Operations: ['94-34=60', '52+19=71'] Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 60+71=131, Resulting Numbers: [131] 131,35 unequal: No Solution Exploring Operation: 60*71=4260, Resulting Numbers: [4260] 4260,35 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 #0,0 Current State: 35:[52, 34, 75], Operations: ['94-19=75'] Exploring Operation: 34+75=109, Resulting Numbers: [52, 109] Generated Node #0,0,0: 35:[52, 109] Operation: 34+75=109 Exploring Operation: 75-34=41, Resulting Numbers: [52, 41] Generated Node #0,0,1: 35:[52, 41] Operation: 75-34=41 Exploring Operation: 75-52=23, Resulting Numbers: [34, 23] Generated Node #0,0,2: 35:[34, 23] Operation: 75-52=23 Exploring Operation: 52-34=18, Resulting Numbers: [75, 18] Generated Node #0,0,3: 35:[75, 18] Operation: 52-34=18 Exploring Operation: 52+34=86, Resulting Numbers: [75, 86] Generated Node #0,0,4: 35:[75, 86] Operation: 52+34=86 Moving to Node #0,0,2 Current State: 35:[34, 23], Operations: ['94-19=75', '75-52=23'] Exploring Operation: 34*23=782, Resulting Numbers: [782] 782,35 unequal: No Solution Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 34+23=57, Resulting Numbers: [57] 57,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[52, 41], Operations: ['94-19=75', '75-34=41'] Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 52*41=2132, Resulting Numbers: [2132] 2132,35 unequal: No Solution Exploring Operation: 52+41=93, Resulting Numbers: [93] 93,35 unequal: No Solution Moving to Node #0,0,3 Current State: 35:[75, 18], Operations: ['94-19=75', '52-34=18'] Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,35 unequal: No Solution Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 75*18=1350, Resulting Numbers: [1350] 1350,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[52, 109], Operations: ['94-19=75', '34+75=109'] Exploring Operation: 52*109=5668, Resulting Numbers: [5668] 5668,35 unequal: No Solution Exploring Operation: 109-52=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 52+109=161, Resulting Numbers: [161] 161,35 unequal: No Solution Moving to Node #0,0,4 Current State: 35:[75, 86], Operations: ['94-19=75', '52+34=86'] Exploring Operation: 86-75=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 75+86=161, Resulting Numbers: [161] 161,35 unequal: No Solution Exploring Operation: 75*86=6450, Resulting Numbers: [6450] 6450,35 unequal: No Solution No 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: 35:[34, 94, 33], Operations: ['52-19=33'] Exploring Operation: 94-33=61, Resulting Numbers: [34, 61] Generated Node #0,2,0: 35:[34, 61] Operation: 94-33=61 Exploring Operation: 34-33=1, Resulting Numbers: [94, 1] Generated Node #0,2,1: 35:[94, 1] Operation: 34-33=1 Exploring Operation: 94-34=60, Resulting Numbers: [33, 60] Generated Node #0,2,2: 35:[33, 60] Operation: 94-34=60 Exploring Operation: 34+33=67, Resulting Numbers: [94, 67] Generated Node #0,2,3: 35:[94, 67] Operation: 34+33=67 Exploring Operation: 94+33=127, Resulting Numbers: [34, 127] Generated Node #0,2,4: 35:[34, 127] Operation: 94+33=127 Moving to Node #0,2,0 Current State: 35:[34, 61], Operations: ['52-19=33', '94-33=61'] Exploring Operation: 34*61=2074, Resulting Numbers: [2074] 2074,35 unequal: No Solution Exploring Operation: 34+61=95, Resulting Numbers: [95] 95,35 unequal: No Solution Exploring Operation: 61-34=27, Resulting Numbers: [27] 27,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[33, 60], Operations: ['52-19=33', '94-34=60'] Exploring Operation: 33*60=1980, Resulting Numbers: [1980] 1980,35 unequal: No Solution Exploring Operation: 33+60=93, Resulting Numbers: [93] 93,35 unequal: No Solution Exploring Operation: 60-33=27, Resulting Numbers: [27] 27,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[94, 1], Operations: ['52-19=33', '34-33=1'] Exploring Operation: 94/1=94, Resulting Numbers: [94] 94,35 unequal: No Solution Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,35 unequal: No Solution Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,35 unequal: No Solution Exploring Operation: 94+1=95, Resulting Numbers: [95] 95,35 unequal: No Solution Moving to Node #0,2,3 Current State: 35:[94, 67], Operations: ['52-19=33', '34+33=67'] Exploring Operation: 94-67=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 94+67=161, Resulting Numbers: [161] 161,35 unequal: No Solution Exploring Operation: 94*67=6298, Resulting Numbers: [6298] 6298,35 unequal: No Solution Moving to Node #0,2,4 Current State: 35:[34, 127], Operations: ['52-19=33', '94+33=127'] Exploring Operation: 127-34=93, Resulting Numbers: [93] 93,35 unequal: No Solution Exploring Operation: 34+127=161, Resulting Numbers: [161] 161,35 unequal: No Solution Exploring Operation: 34*127=4318, Resulting Numbers: [4318] 4318,35 unequal: No Solution No 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: 35:[94, 19, 18], Operations: ['52-34=18'] Exploring Operation: 19+18=37, Resulting Numbers: [94, 37] Generated Node #0,4,0: 35:[94, 37] Operation: 19+18=37 Exploring Operation: 19-18=1, Resulting Numbers: [94, 1] Generated Node #0,4,1: 35:[94, 1] Operation: 19-18=1 Exploring Operation: 94+19=113, Resulting Numbers: [18, 113] Generated Node #0,4,2: 35:[18, 113] Operation: 94+19=113 Exploring Operation: 94-18=76, Resulting Numbers: [19, 76] Generated Node #0,4,3: 35:[19, 76] Operation: 94-18=76 Exploring Operation: 94-19=75, Resulting Numbers: [18, 75] Generated Node #0,4,4: 35:[18, 75] Operation: 94-19=75 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 35:[18, 75], Operations: ['52-34=18', '94-19=75'] Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 18*75=1350, Resulting Numbers: [1350] 1350,35 unequal: No Solution Exploring Operation: 18+75=93, Resulting Numbers: [93] 93,35 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 #0,4,3 Current State: 35:[19, 76], Operations: ['52-34=18', '94-18=76'] Exploring Operation: 19+76=95, Resulting Numbers: [95] 95,35 unequal: No Solution Exploring Operation: 19*76=1444, Resulting Numbers: [1444] 1444,35 unequal: No Solution Exploring Operation: 76-19=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 76/19=4, Resulting Numbers: [4] 4,35 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 #0,4,0 Current State: 35:[94, 37], Operations: ['52-34=18', '19+18=37'] Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 94*37=3478, Resulting Numbers: [3478] 3478,35 unequal: No Solution Exploring Operation: 94+37=131, Resulting Numbers: [131] 131,35 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 #0,4,1 Current State: 35:[94, 1], Operations: ['52-34=18', '19-18=1'] Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,35 unequal: No Solution Exploring Operation: 94/1=94, Resulting Numbers: [94] 94,35 unequal: No Solution Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,35 unequal: No Solution Exploring Operation: 94+1=95, Resulting Numbers: [95] 95,35 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 #0,4,2 Current State: 35:[18, 113], Operations: ['52-34=18', '94+19=113'] Exploring Operation: 18+113=131, Resulting Numbers: [131] 131,35 unequal: No Solution Exploring Operation: 18*113=2034, Resulting Numbers: [2034] 2034,35 unequal: No Solution Exploring Operation: 113-18=95, Resulting Numbers: [95] 95,35 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 No solution found.
0
hs_5
sum_heuristic
[ 29, 57, 40, 95 ]
58
[ "57+40=97", "97-95=2", "29*2=58" ]
Current State: 58:[29, 57, 40, 95], Operations: [] Exploring Operation: 57+40=97, Resulting Numbers: [29, 95, 97] Generated Node #2: [29, 95, 97] from Operation: 57+40=97 Current State: 58:[29, 95, 97], Operations: ['57+40=97'] Exploring Operation: 97-95=2, Resulting Numbers: [29, 2] Generated Node #3: [29, 2] from Operation: 97-95=2 Current State: 58:[29, 2], Operations: ['57+40=97', '97-95=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[29, 57, 40, 95], Operations: [] Exploring Operation: 95-40=55, Resulting Numbers: [29, 57, 55] Generated Node #0,0: 58:[29, 57, 55] Operation: 95-40=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[29, 57, 55], Operations: ['95-40=55'] Exploring Operation: 57-55=2, Resulting Numbers: [29, 2] Generated Node #0,0,0: 58:[29, 2] Operation: 57-55=2 Moving to Node #0,0,0 Current State: 58:[29, 2], Operations: ['95-40=55', '57-55=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[29, 57, 40, 95], Operations: [] Exploring Operation: 95-40=55, Resulting Numbers: [29, 57, 55] Generated Node #0,0: 58:[29, 57, 55] Operation: 95-40=55 Moving to Node #0,0 Current State: 58:[29, 57, 55], Operations: ['95-40=55'] Exploring Operation: 57-55=2, Resulting Numbers: [29, 2] Generated Node #0,0,0: 58:[29, 2] Operation: 57-55=2 Moving to Node #0,0,0 Current State: 58:[29, 2], Operations: ['95-40=55', '57-55=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 26, 62, 66, 28 ]
20
[ "26*66=1716", "62*28=1736", "1736-1716=20" ]
Current State: 20:[26, 62, 66, 28], Operations: [] Exploring Operation: 26*66=1716, Resulting Numbers: [62, 28, 1716] Generated Node #2: [62, 28, 1716] from Operation: 26*66=1716 Current State: 20:[62, 28, 1716], Operations: ['26*66=1716'] Exploring Operation: 62*28=1736, Resulting Numbers: [1716, 1736] Generated Node #3: [1716, 1736] from Operation: 62*28=1736 Current State: 20:[1716, 1736], Operations: ['26*66=1716', '62*28=1736'] Exploring Operation: 1736-1716=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[26, 62, 66, 28], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [26, 28, 4] Generated Node #0,0: 20:[26, 28, 4] Operation: 66-62=4 Exploring Operation: 62-26=36, Resulting Numbers: [66, 28, 36] Generated Node #0,1: 20:[66, 28, 36] Operation: 62-26=36 Exploring Operation: 66-28=38, Resulting Numbers: [26, 62, 38] Generated Node #0,2: 20:[26, 62, 38] Operation: 66-28=38 Exploring Operation: 62-28=34, Resulting Numbers: [26, 66, 34] Generated Node #0,3: 20:[26, 66, 34] Operation: 62-28=34 Exploring Operation: 66-26=40, Resulting Numbers: [62, 28, 40] Generated Node #0,4: 20:[62, 28, 40] Operation: 66-26=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[26, 28, 4], Operations: ['66-62=4'] Exploring Operation: 28-26=2, Resulting Numbers: [4, 2] Generated Node #0,0,0: 20:[4, 2] Operation: 28-26=2 Exploring Operation: 28-4=24, Resulting Numbers: [26, 24] Generated Node #0,0,1: 20:[26, 24] Operation: 28-4=24 Exploring Operation: 28/4=7, Resulting Numbers: [26, 7] Generated Node #0,0,2: 20:[26, 7] Operation: 28/4=7 Exploring Operation: 26-4=22, Resulting Numbers: [28, 22] Generated Node #0,0,3: 20:[28, 22] Operation: 26-4=22 Exploring Operation: 26+4=30, Resulting Numbers: [28, 30] Generated Node #0,0,4: 20:[28, 30] Operation: 26+4=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[4, 2], Operations: ['66-62=4', '28-26=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 20:[26, 7], Operations: ['66-62=4', '28/4=7'] Exploring Operation: 26+7=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 26*7=182, Resulting Numbers: [182] 182,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[26, 24], Operations: ['66-62=4', '28-4=24'] Exploring Operation: 26+24=50, Resulting Numbers: [50] 50,20 unequal: No Solution Exploring Operation: 26*24=624, Resulting Numbers: [624] 624,20 unequal: No Solution Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 20:[28, 22], Operations: ['66-62=4', '26-4=22'] Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,20 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 20:[28, 30], Operations: ['66-62=4', '26+4=30'] Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,20 unequal: No Solution Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[26, 62, 38], Operations: ['66-28=38'] Exploring Operation: 38-26=12, Resulting Numbers: [62, 12] Generated Node #0,2,0: 20:[62, 12] Operation: 38-26=12 Exploring Operation: 62-26=36, Resulting Numbers: [38, 36] Generated Node #0,2,1: 20:[38, 36] Operation: 62-26=36 Exploring Operation: 26+62=88, Resulting Numbers: [38, 88] Generated Node #0,2,2: 20:[38, 88] Operation: 26+62=88 Exploring Operation: 26+38=64, Resulting Numbers: [62, 64] Generated Node #0,2,3: 20:[62, 64] Operation: 26+38=64 Exploring Operation: 62-38=24, Resulting Numbers: [26, 24] Generated Node #0,2,4: 20:[26, 24] Operation: 62-38=24 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 20:[26, 24], Operations: ['66-28=38', '62-38=24'] Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 26+24=50, Resulting Numbers: [50] 50,20 unequal: No Solution Exploring Operation: 26*24=624, Resulting Numbers: [624] 624,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 20:[38, 36], Operations: ['66-28=38', '62-26=36'] Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 38*36=1368, Resulting Numbers: [1368] 1368,20 unequal: No Solution Exploring Operation: 38+36=74, Resulting Numbers: [74] 74,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 20:[62, 12], Operations: ['66-28=38', '38-26=12'] Exploring Operation: 62*12=744, Resulting Numbers: [744] 744,20 unequal: No Solution Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,20 unequal: No Solution Exploring Operation: 62+12=74, Resulting Numbers: [74] 74,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 20:[38, 88], Operations: ['66-28=38', '26+62=88'] Exploring Operation: 38+88=126, Resulting Numbers: [126] 126,20 unequal: No Solution Exploring Operation: 38*88=3344, Resulting Numbers: [3344] 3344,20 unequal: No Solution Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 20:[62, 64], Operations: ['66-28=38', '26+38=64'] Exploring Operation: 62*64=3968, Resulting Numbers: [3968] 3968,20 unequal: No Solution Exploring Operation: 64-62=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 62+64=126, Resulting Numbers: [126] 126,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[26, 66, 34], Operations: ['62-28=34'] Exploring Operation: 66-26=40, Resulting Numbers: [34, 40] Generated Node #0,3,0: 20:[34, 40] Operation: 66-26=40 Exploring Operation: 66-34=32, Resulting Numbers: [26, 32] Generated Node #0,3,1: 20:[26, 32] Operation: 66-34=32 Exploring Operation: 26+66=92, Resulting Numbers: [34, 92] Generated Node #0,3,2: 20:[34, 92] Operation: 26+66=92 Exploring Operation: 26+34=60, Resulting Numbers: [66, 60] Generated Node #0,3,3: 20:[66, 60] Operation: 26+34=60 Exploring Operation: 34-26=8, Resulting Numbers: [66, 8] Generated Node #0,3,4: 20:[66, 8] Operation: 34-26=8 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 20:[26, 32], Operations: ['62-28=34', '66-34=32'] Exploring Operation: 26+32=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 26*32=832, Resulting Numbers: [832] 832,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 20:[34, 40], Operations: ['62-28=34', '66-26=40'] Exploring Operation: 34+40=74, Resulting Numbers: [74] 74,20 unequal: No Solution Exploring Operation: 34*40=1360, Resulting Numbers: [1360] 1360,20 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 20:[66, 8], Operations: ['62-28=34', '34-26=8'] Exploring Operation: 66+8=74, Resulting Numbers: [74] 74,20 unequal: No Solution Exploring Operation: 66*8=528, Resulting Numbers: [528] 528,20 unequal: No Solution Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 20:[34, 92], Operations: ['62-28=34', '26+66=92'] Exploring Operation: 34+92=126, Resulting Numbers: [126] 126,20 unequal: No Solution Exploring Operation: 34*92=3128, Resulting Numbers: [3128] 3128,20 unequal: No Solution Exploring Operation: 92-34=58, Resulting Numbers: [58] 58,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 20:[66, 60], Operations: ['62-28=34', '26+34=60'] Exploring Operation: 66-60=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 66+60=126, Resulting Numbers: [126] 126,20 unequal: No Solution Exploring Operation: 66*60=3960, Resulting Numbers: [3960] 3960,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[66, 28, 36], Operations: ['62-26=36'] Exploring Operation: 66+28=94, Resulting Numbers: [36, 94] Generated Node #0,1,0: 20:[36, 94] Operation: 66+28=94 Exploring Operation: 66+36=102, Resulting Numbers: [28, 102] Generated Node #0,1,1: 20:[28, 102] Operation: 66+36=102 Exploring Operation: 66-28=38, Resulting Numbers: [36, 38] Generated Node #0,1,2: 20:[36, 38] Operation: 66-28=38 Exploring Operation: 36-28=8, Resulting Numbers: [66, 8] Generated Node #0,1,3: 20:[66, 8] Operation: 36-28=8 Exploring Operation: 66-36=30, Resulting Numbers: [28, 30] Generated Node #0,1,4: 20:[28, 30] Operation: 66-36=30 Moving to Node #0,1,4 Current State: 20:[28, 30], Operations: ['62-26=36', '66-36=30'] Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,20 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,20 unequal: No Solution Moving to Node #0,1,2 Current State: 20:[36, 38], Operations: ['62-26=36', '66-28=38'] Exploring Operation: 36+38=74, Resulting Numbers: [74] 74,20 unequal: No Solution Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 36*38=1368, Resulting Numbers: [1368] 1368,20 unequal: No Solution Moving to Node #0,1,3 Current State: 20:[66, 8], Operations: ['62-26=36', '36-28=8'] Exploring Operation: 66*8=528, Resulting Numbers: [528] 528,20 unequal: No Solution Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 66+8=74, Resulting Numbers: [74] 74,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[36, 94], Operations: ['62-26=36', '66+28=94'] Exploring Operation: 36*94=3384, Resulting Numbers: [3384] 3384,20 unequal: No Solution Exploring Operation: 94-36=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 36+94=130, Resulting Numbers: [130] 130,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[28, 102], Operations: ['62-26=36', '66+36=102'] Exploring Operation: 102-28=74, Resulting Numbers: [74] 74,20 unequal: No Solution Exploring Operation: 28+102=130, Resulting Numbers: [130] 130,20 unequal: No Solution Exploring Operation: 28*102=2856, Resulting Numbers: [2856] 2856,20 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 Current State: 20:[62, 28, 40], Operations: ['66-26=40'] Exploring Operation: 62+28=90, Resulting Numbers: [40, 90] Generated Node #0,4,0: 20:[40, 90] Operation: 62+28=90 Exploring Operation: 40-28=12, Resulting Numbers: [62, 12] Generated Node #0,4,1: 20:[62, 12] Operation: 40-28=12 Exploring Operation: 62+40=102, Resulting Numbers: [28, 102] Generated Node #0,4,2: 20:[28, 102] Operation: 62+40=102 Exploring Operation: 62-40=22, Resulting Numbers: [28, 22] Generated Node #0,4,3: 20:[28, 22] Operation: 62-40=22 Exploring Operation: 62-28=34, Resulting Numbers: [40, 34] Generated Node #0,4,4: 20:[40, 34] Operation: 62-28=34 Moving to Node #0,4,3 Current State: 20:[28, 22], Operations: ['66-26=40', '62-40=22'] Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,20 unequal: No Solution Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,20 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,20 unequal: No Solution Moving to Node #0,4,4 Current State: 20:[40, 34], Operations: ['66-26=40', '62-28=34'] Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,20 unequal: No Solution Exploring Operation: 40*34=1360, Resulting Numbers: [1360] 1360,20 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,20 unequal: No Solution Moving to Node #0,4,1 Current State: 20:[62, 12], Operations: ['66-26=40', '40-28=12'] Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,20 unequal: No Solution Exploring Operation: 62+12=74, Resulting Numbers: [74] 74,20 unequal: No Solution Exploring Operation: 62*12=744, Resulting Numbers: [744] 744,20 unequal: No Solution Moving to Node #0,4,0 Current State: 20:[40, 90], Operations: ['66-26=40', '62+28=90'] Exploring Operation: 40+90=130, Resulting Numbers: [130] 130,20 unequal: No Solution Exploring Operation: 40*90=3600, Resulting Numbers: [3600] 3600,20 unequal: No Solution Exploring Operation: 90-40=50, Resulting Numbers: [50] 50,20 unequal: No Solution Moving to Node #0,4,2 Current State: 20:[28, 102], Operations: ['66-26=40', '62+40=102'] Exploring Operation: 28+102=130, Resulting Numbers: [130] 130,20 unequal: No Solution Exploring Operation: 28*102=2856, Resulting Numbers: [2856] 2856,20 unequal: No Solution Exploring Operation: 102-28=74, Resulting Numbers: [74] 74,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 63, 18, 59, 3 ]
69
[ "63-59=4", "18*4=72", "72-3=69" ]
Current State: 69:[63, 18, 59, 3], Operations: [] Exploring Operation: 63-59=4, Resulting Numbers: [18, 3, 4] Generated Node #2: [18, 3, 4] from Operation: 63-59=4 Current State: 69:[18, 3, 4], Operations: ['63-59=4'] Exploring Operation: 18*4=72, Resulting Numbers: [3, 72] Generated Node #3: [3, 72] from Operation: 18*4=72 Current State: 69:[3, 72], Operations: ['63-59=4', '18*4=72'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[63, 18, 59, 3], Operations: [] Exploring Operation: 63-59=4, Resulting Numbers: [18, 3, 4] Generated Node #0,0: 69:[18, 3, 4] Operation: 63-59=4 Exploring Operation: 18+59=77, Resulting Numbers: [63, 3, 77] Generated Node #0,1: 69:[63, 3, 77] Operation: 18+59=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[18, 3, 4], Operations: ['63-59=4'] Exploring Operation: 18+4=22, Resulting Numbers: [3, 22] Generated Node #0,0,0: 69:[3, 22] Operation: 18+4=22 Exploring Operation: 18+3=21, Resulting Numbers: [4, 21] Generated Node #0,0,1: 69:[4, 21] Operation: 18+3=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[3, 22], Operations: ['63-59=4', '18+4=22'] Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,69 unequal: No Solution Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[4, 21], Operations: ['63-59=4', '18+3=21'] Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,69 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[63, 3, 77], Operations: ['18+59=77'] Exploring Operation: 63/3=21, Resulting Numbers: [77, 21] Generated Node #0,1,0: 69:[77, 21] Operation: 63/3=21 Exploring Operation: 77-63=14, Resulting Numbers: [3, 14] Generated Node #0,1,1: 69:[3, 14] Operation: 77-63=14 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[3, 14], Operations: ['18+59=77', '77-63=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,69 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[77, 21], Operations: ['18+59=77', '63/3=21'] Exploring Operation: 77+21=98, Resulting Numbers: [98] 98,69 unequal: No Solution Exploring Operation: 77-21=56, Resulting Numbers: [56] 56,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 11, 73, 7, 18 ]
12
[ "73-7=66", "66/11=6", "18-6=12" ]
Current State: 12:[11, 73, 7, 18], Operations: [] Exploring Operation: 73-7=66, Resulting Numbers: [11, 18, 66] Generated Node #2: [11, 18, 66] from Operation: 73-7=66 Current State: 12:[11, 18, 66], Operations: ['73-7=66'] Exploring Operation: 66/11=6, Resulting Numbers: [18, 6] Generated Node #3: [18, 6] from Operation: 66/11=6 Current State: 12:[18, 6], Operations: ['73-7=66', '66/11=6'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[11, 73, 7, 18], Operations: [] Exploring Operation: 73-11=62, Resulting Numbers: [7, 18, 62] Generated Node #0,0: 12:[7, 18, 62] Operation: 73-11=62 Exploring Operation: 73-18=55, Resulting Numbers: [11, 7, 55] Generated Node #0,1: 12:[11, 7, 55] Operation: 73-18=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[11, 7, 55], Operations: ['73-18=55'] Exploring Operation: 55/11=5, Resulting Numbers: [7, 5] Generated Node #0,1,0: 12:[7, 5] Operation: 55/11=5 Exploring Operation: 55-11=44, Resulting Numbers: [7, 44] Generated Node #0,1,1: 12:[7, 44] Operation: 55-11=44 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 12:[7, 5], Operations: ['73-18=55', '55/11=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[11, 73, 7, 18], Operations: [] Exploring Operation: 73-18=55, Resulting Numbers: [11, 7, 55] Generated Node #0,1: 12:[11, 7, 55] Operation: 73-18=55 Moving to Node #0,1 Current State: 12:[11, 7, 55], Operations: ['73-18=55'] Exploring Operation: 55/11=5, Resulting Numbers: [7, 5] Generated Node #0,1,0: 12:[7, 5] Operation: 55/11=5 Moving to Node #0,1,0 Current State: 12:[7, 5], Operations: ['73-18=55', '55/11=5'] Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 42, 3, 55, 66 ]
28
[ "42-3=39", "66-55=11", "39-11=28" ]
Current State: 28:[42, 3, 55, 66], Operations: [] Exploring Operation: 42-3=39, Resulting Numbers: [55, 66, 39] Generated Node #2: [55, 66, 39] from Operation: 42-3=39 Current State: 28:[55, 66, 39], Operations: ['42-3=39'] Exploring Operation: 66-55=11, Resulting Numbers: [39, 11] Generated Node #3: [39, 11] from Operation: 66-55=11 Current State: 28:[39, 11], Operations: ['42-3=39', '66-55=11'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[42, 3, 55, 66], Operations: [] Exploring Operation: 66/3=22, Resulting Numbers: [42, 55, 22] Generated Node #0,0: 28:[42, 55, 22] Operation: 66/3=22 Exploring Operation: 66-55=11, Resulting Numbers: [42, 3, 11] Generated Node #0,1: 28:[42, 3, 11] Operation: 66-55=11 Exploring Operation: 66-42=24, Resulting Numbers: [3, 55, 24] Generated Node #0,2: 28:[3, 55, 24] Operation: 66-42=24 Exploring Operation: 55-42=13, Resulting Numbers: [3, 66, 13] Generated Node #0,3: 28:[3, 66, 13] Operation: 55-42=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[42, 3, 11], Operations: ['66-55=11'] Exploring Operation: 3+11=14, Resulting Numbers: [42, 14] Generated Node #0,1,0: 28:[42, 14] Operation: 3+11=14 Exploring Operation: 42/3=14, Resulting Numbers: [11, 14] Generated Node #0,1,1: 28:[11, 14] Operation: 42/3=14 Exploring Operation: 42-3=39, Resulting Numbers: [11, 39] Generated Node #0,1,2: 28:[11, 39] Operation: 42-3=39 Exploring Operation: 42-11=31, Resulting Numbers: [3, 31] Generated Node #0,1,3: 28:[3, 31] Operation: 42-11=31 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 28:[11, 14], Operations: ['66-55=11', '42/3=14'] Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,28 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 28:[3, 31], Operations: ['66-55=11', '42-11=31'] Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,28 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[42, 3, 55, 66], Operations: [] Exploring Operation: 66-55=11, Resulting Numbers: [42, 3, 11] Generated Node #0,1: 28:[42, 3, 11] Operation: 66-55=11 Moving to Node #0,1 Current State: 28:[42, 3, 11], Operations: ['66-55=11'] Exploring Operation: 42-11=31, Resulting Numbers: [3, 31] Generated Node #0,1,3: 28:[3, 31] Operation: 42-11=31 Moving to Node #0,1,3 Current State: 28:[3, 31], Operations: ['66-55=11', '42-11=31'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic