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
[ 1, 29, 56, 44 ]
71
[ "1*29=29", "56+44=100", "100-29=71" ]
Current State: 71:[1, 29, 56, 44], Operations: [] Exploring Operation: 1*29=29, Resulting Numbers: [56, 44, 29] Generated Node #2: [56, 44, 29] from Operation: 1*29=29 Current State: 71:[56, 44, 29], Operations: ['1*29=29'] Exploring Operation: 56+44=100, Resulting Numbers: [29, 100] Generated Node #3: [29, 100] from Operation: 56+44=100 Current State: 71:[29, 100], Operations: ['1*29=29', '56+44=100'] Exploring Operation: 100-29=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[1, 29, 56, 44], Operations: [] Exploring Operation: 1+56=57, Resulting Numbers: [29, 44, 57] Generated Node #0,0: 71:[29, 44, 57] Operation: 1+56=57 Exploring Operation: 1+29=30, Resulting Numbers: [56, 44, 30] Generated Node #0,1: 71:[56, 44, 30] Operation: 1+29=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[29, 44, 57], Operations: ['1+56=57'] Exploring Operation: 29+57=86, Resulting Numbers: [44, 86] Generated Node #0,0,0: 71:[44, 86] Operation: 29+57=86 Exploring Operation: 29+44=73, Resulting Numbers: [57, 73] Generated Node #0,0,1: 71:[57, 73] Operation: 29+44=73 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[57, 73], Operations: ['1+56=57', '29+44=73'] Exploring Operation: 57+73=130, Resulting Numbers: [130] 130,71 unequal: No Solution Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[44, 86], Operations: ['1+56=57', '29+57=86'] Exploring Operation: 44+86=130, Resulting Numbers: [130] 130,71 unequal: No Solution Exploring Operation: 86-44=42, Resulting Numbers: [42] 42,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[56, 44, 30], Operations: ['1+29=30'] Exploring Operation: 56+30=86, Resulting Numbers: [44, 86] Generated Node #0,1,0: 71:[44, 86] Operation: 56+30=86 Exploring Operation: 44+30=74, Resulting Numbers: [56, 74] Generated Node #0,1,1: 71:[56, 74] Operation: 44+30=74 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[56, 74], Operations: ['1+29=30', '44+30=74'] Exploring Operation: 74-56=18, Resulting Numbers: [18] 18,71 unequal: No Solution Exploring Operation: 56+74=130, Resulting Numbers: [130] 130,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[44, 86], Operations: ['1+29=30', '56+30=86'] Exploring Operation: 86-44=42, Resulting Numbers: [42] 42,71 unequal: No Solution Exploring Operation: 44+86=130, Resulting Numbers: [130] 130,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 2, 92, 81, 38 ]
97
[ "2*38=76", "92+81=173", "173-76=97" ]
Current State: 97:[2, 92, 81, 38], Operations: [] Exploring Operation: 2*38=76, Resulting Numbers: [92, 81, 76] Generated Node #2: [92, 81, 76] from Operation: 2*38=76 Current State: 97:[92, 81, 76], Operations: ['2*38=76'] Exploring Operation: 92+81=173, Resulting Numbers: [76, 173] Generated Node #3: [76, 173] from Operation: 92+81=173 Current State: 97:[76, 173], Operations: ['2*38=76', '92+81=173'] Exploring Operation: 173-76=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[2, 92, 81, 38], Operations: [] Exploring Operation: 2+38=40, Resulting Numbers: [92, 81, 40] Generated Node #0,0: 97:[92, 81, 40] Operation: 2+38=40 Exploring Operation: 2*38=76, Resulting Numbers: [92, 81, 76] Generated Node #0,1: 97:[92, 81, 76] Operation: 2*38=76 Exploring Operation: 2+81=83, Resulting Numbers: [92, 38, 83] Generated Node #0,2: 97:[92, 38, 83] Operation: 2+81=83 Exploring Operation: 2+92=94, Resulting Numbers: [81, 38, 94] Generated Node #0,3: 97:[81, 38, 94] Operation: 2+92=94 Moving to Node #0,1 Current State: 97:[92, 81, 76], Operations: ['2*38=76'] Exploring Operation: 92-76=16, Resulting Numbers: [81, 16] Generated Node #0,1,0: 97:[81, 16] Operation: 92-76=16 Exploring Operation: 92+81=173, Resulting Numbers: [76, 173] Generated Node #0,1,1: 97:[76, 173] Operation: 92+81=173 Exploring Operation: 92+76=168, Resulting Numbers: [81, 168] Generated Node #0,1,2: 97:[81, 168] Operation: 92+76=168 Exploring Operation: 81+76=157, Resulting Numbers: [92, 157] Generated Node #0,1,3: 97:[92, 157] Operation: 81+76=157 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 97:[92, 157], Operations: ['2*38=76', '81+76=157'] Exploring Operation: 92*157=14444, Resulting Numbers: [14444] 14444,97 unequal: No Solution Exploring Operation: 157-92=65, Resulting Numbers: [65] 65,97 unequal: No Solution Exploring Operation: 92+157=249, Resulting Numbers: [249] 249,97 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:[81, 168], Operations: ['2*38=76', '92+76=168'] Exploring Operation: 168-81=87, Resulting Numbers: [87] 87,97 unequal: No Solution Exploring Operation: 81*168=13608, Resulting Numbers: [13608] 13608,97 unequal: No Solution Exploring Operation: 81+168=249, Resulting Numbers: [249] 249,97 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:[81, 16], Operations: ['2*38=76', '92-76=16'] Exploring Operation: 81*16=1296, Resulting Numbers: [1296] 1296,97 unequal: No Solution Exploring Operation: 81+16=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[2, 92, 81, 38], Operations: [] Exploring Operation: 2*38=76, Resulting Numbers: [92, 81, 76] Generated Node #0,1: 97:[92, 81, 76] Operation: 2*38=76 Moving to Node #0,1 Current State: 97:[92, 81, 76], Operations: ['2*38=76'] Exploring Operation: 92-76=16, Resulting Numbers: [81, 16] Generated Node #0,1,0: 97:[81, 16] Operation: 92-76=16 Moving to Node #0,1,0 Current State: 97:[81, 16], Operations: ['2*38=76', '92-76=16'] Exploring Operation: 81+16=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 25, 40, 16, 20 ]
43
[ "25+16=41", "40/20=2", "41+2=43" ]
Current State: 43:[25, 40, 16, 20], Operations: [] Exploring Operation: 25+16=41, Resulting Numbers: [40, 20, 41] Generated Node #2: [40, 20, 41] from Operation: 25+16=41 Current State: 43:[40, 20, 41], Operations: ['25+16=41'] Exploring Operation: 40/20=2, Resulting Numbers: [41, 2] Generated Node #3: [41, 2] from Operation: 40/20=2 Current State: 43:[41, 2], Operations: ['25+16=41', '40/20=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[25, 40, 16, 20], Operations: [] Exploring Operation: 25+16=41, Resulting Numbers: [40, 20, 41] Generated Node #0,0: 43:[40, 20, 41] Operation: 25+16=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[40, 20, 41], Operations: ['25+16=41'] Exploring Operation: 40+20=60, Resulting Numbers: [41, 60] Generated Node #0,0,0: 43:[41, 60] Operation: 40+20=60 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[41, 60], Operations: ['25+16=41', '40+20=60'] Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,43 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 No solution found.
0
hs_1
sum_heuristic
[ 4, 24, 90, 66 ]
44
[ "24-4=20", "90-66=24", "20+24=44" ]
Current State: 44:[4, 24, 90, 66], Operations: [] Exploring Operation: 24-4=20, Resulting Numbers: [90, 66, 20] Generated Node #2: [90, 66, 20] from Operation: 24-4=20 Current State: 44:[90, 66, 20], Operations: ['24-4=20'] Exploring Operation: 90-66=24, Resulting Numbers: [20, 24] Generated Node #3: [20, 24] from Operation: 90-66=24 Current State: 44:[20, 24], Operations: ['24-4=20', '90-66=24'] Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[4, 24, 90, 66], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [4, 24, 24] Generated Node #0,0: 44:[4, 24, 24] Operation: 90-66=24 Exploring Operation: 66-24=42, Resulting Numbers: [4, 90, 42] Generated Node #0,1: 44:[4, 90, 42] Operation: 66-24=42 Exploring Operation: 90-24=66, Resulting Numbers: [4, 66, 66] Generated Node #0,2: 44:[4, 66, 66] Operation: 90-24=66 Moving to Node #0,0 Current State: 44:[4, 24, 24], Operations: ['90-66=24'] Exploring Operation: 24/24=1, Resulting Numbers: [4, 1] Generated Node #0,0,0: 44:[4, 1] Operation: 24/24=1 Exploring Operation: 24-4=20, Resulting Numbers: [24, 20] Generated Node #0,0,1: 44:[24, 20] Operation: 24-4=20 Exploring Operation: 24-24=0, Resulting Numbers: [4, 0] Generated Node #0,0,2: 44:[4, 0] Operation: 24-24=0 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[4, 1], Operations: ['90-66=24', '24/24=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 44:[4, 0], Operations: ['90-66=24', '24-24=0'] Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 4*0=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[24, 20], Operations: ['90-66=24', '24-4=20'] Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[4, 24, 90, 66], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [4, 24, 24] Generated Node #0,0: 44:[4, 24, 24] Operation: 90-66=24 Moving to Node #0,0 Current State: 44:[4, 24, 24], Operations: ['90-66=24'] Exploring Operation: 24-4=20, Resulting Numbers: [24, 20] Generated Node #0,0,1: 44:[24, 20] Operation: 24-4=20 Moving to Node #0,0,1 Current State: 44:[24, 20], Operations: ['90-66=24', '24-4=20'] Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 15, 69, 66, 2 ]
43
[ "69-66=3", "15*3=45", "45-2=43" ]
Current State: 43:[15, 69, 66, 2], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [15, 2, 3] Generated Node #2: [15, 2, 3] from Operation: 69-66=3 Current State: 43:[15, 2, 3], Operations: ['69-66=3'] Exploring Operation: 15*3=45, Resulting Numbers: [2, 45] Generated Node #3: [2, 45] from Operation: 15*3=45 Current State: 43:[2, 45], Operations: ['69-66=3', '15*3=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[15, 69, 66, 2], Operations: [] Exploring Operation: 15*2=30, Resulting Numbers: [69, 66, 30] Generated Node #0,0: 43:[69, 66, 30] Operation: 15*2=30 Exploring Operation: 66/2=33, Resulting Numbers: [15, 69, 33] Generated Node #0,1: 43:[15, 69, 33] Operation: 66/2=33 Moving to Node #0,0 Current State: 43:[69, 66, 30], Operations: ['15*2=30'] Exploring Operation: 66-30=36, Resulting Numbers: [69, 36] Generated Node #0,0,0: 43:[69, 36] Operation: 66-30=36 Exploring Operation: 69-30=39, Resulting Numbers: [66, 39] Generated Node #0,0,1: 43:[66, 39] Operation: 69-30=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[66, 39], Operations: ['15*2=30', '69-30=39'] Exploring Operation: 66+39=105, Resulting Numbers: [105] 105,43 unequal: No Solution Exploring Operation: 66-39=27, Resulting Numbers: [27] 27,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[69, 36], Operations: ['15*2=30', '66-30=36'] Exploring Operation: 69-36=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 69+36=105, Resulting Numbers: [105] 105,43 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: 43:[15, 69, 33], Operations: ['66/2=33'] Exploring Operation: 69-15=54, Resulting Numbers: [33, 54] Generated Node #0,1,0: 43:[33, 54] Operation: 69-15=54 Exploring Operation: 15+33=48, Resulting Numbers: [69, 48] Generated Node #0,1,1: 43:[69, 48] Operation: 15+33=48 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[33, 54], Operations: ['66/2=33', '69-15=54'] Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,43 unequal: No Solution Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 43:[69, 48], Operations: ['66/2=33', '15+33=48'] Exploring Operation: 69+48=117, Resulting Numbers: [117] 117,43 unequal: No Solution Exploring Operation: 69-48=21, Resulting Numbers: [21] 21,43 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
[ 2, 31, 90, 12 ]
52
[ "31-12=19", "2*19=38", "90-38=52" ]
Current State: 52:[2, 31, 90, 12], Operations: [] Exploring Operation: 31-12=19, Resulting Numbers: [2, 90, 19] Generated Node #2: [2, 90, 19] from Operation: 31-12=19 Current State: 52:[2, 90, 19], Operations: ['31-12=19'] Exploring Operation: 2*19=38, Resulting Numbers: [90, 38] Generated Node #3: [90, 38] from Operation: 2*19=38 Current State: 52:[90, 38], Operations: ['31-12=19', '2*19=38'] Exploring Operation: 90-38=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[2, 31, 90, 12], Operations: [] Exploring Operation: 90/2=45, Resulting Numbers: [31, 12, 45] Generated Node #0,0: 52:[31, 12, 45] Operation: 90/2=45 Exploring Operation: 90-31=59, Resulting Numbers: [2, 12, 59] Generated Node #0,1: 52:[2, 12, 59] Operation: 90-31=59 Moving to Node #0,1 Current State: 52:[2, 12, 59], Operations: ['90-31=59'] Exploring Operation: 59-12=47, Resulting Numbers: [2, 47] Generated Node #0,1,0: 52:[2, 47] Operation: 59-12=47 Exploring Operation: 59-2=57, Resulting Numbers: [12, 57] Generated Node #0,1,1: 52:[12, 57] Operation: 59-2=57 Moving to Node #0,0 Current State: 52:[31, 12, 45], Operations: ['90/2=45'] Exploring Operation: 12+45=57, Resulting Numbers: [31, 57] Generated Node #0,0,0: 52:[31, 57] Operation: 12+45=57 Exploring Operation: 45-31=14, Resulting Numbers: [12, 14] Generated Node #0,0,1: 52:[12, 14] Operation: 45-31=14 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[12, 14], Operations: ['90/2=45', '45-31=14'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[31, 57], Operations: ['90/2=45', '12+45=57'] Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 31+57=88, Resulting Numbers: [88] 88,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 52:[2, 47], Operations: ['90-31=59', '59-12=47'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,52 unequal: No Solution Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[12, 57], Operations: ['90-31=59', '59-2=57'] Exploring Operation: 57-12=45, Resulting Numbers: [45] 45,52 unequal: No Solution Exploring Operation: 12+57=69, Resulting Numbers: [69] 69,52 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 62, 81, 57, 68 ]
30
[ "81-62=19", "68-57=11", "19+11=30" ]
Current State: 30:[62, 81, 57, 68], Operations: [] Exploring Operation: 81-62=19, Resulting Numbers: [57, 68, 19] Generated Node #2: [57, 68, 19] from Operation: 81-62=19 Current State: 30:[57, 68, 19], Operations: ['81-62=19'] Exploring Operation: 68-57=11, Resulting Numbers: [19, 11] Generated Node #3: [19, 11] from Operation: 68-57=11 Current State: 30:[19, 11], Operations: ['81-62=19', '68-57=11'] Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[62, 81, 57, 68], Operations: [] Exploring Operation: 81-62=19, Resulting Numbers: [57, 68, 19] Generated Node #0,0: 30:[57, 68, 19] Operation: 81-62=19 Exploring Operation: 81-68=13, Resulting Numbers: [62, 57, 13] Generated Node #0,1: 30:[62, 57, 13] Operation: 81-68=13 Exploring Operation: 68-62=6, Resulting Numbers: [81, 57, 6] Generated Node #0,2: 30:[81, 57, 6] Operation: 68-62=6 Exploring Operation: 68-57=11, Resulting Numbers: [62, 81, 11] Generated Node #0,3: 30:[62, 81, 11] Operation: 68-57=11 Exploring Operation: 81-57=24, Resulting Numbers: [62, 68, 24] Generated Node #0,4: 30:[62, 68, 24] Operation: 81-57=24 Moving to Node #0,1 Current State: 30:[62, 57, 13], Operations: ['81-68=13'] Exploring Operation: 62-57=5, Resulting Numbers: [13, 5] Generated Node #0,1,0: 30:[13, 5] Operation: 62-57=5 Exploring Operation: 57-13=44, Resulting Numbers: [62, 44] Generated Node #0,1,1: 30:[62, 44] Operation: 57-13=44 Exploring Operation: 62-13=49, Resulting Numbers: [57, 49] Generated Node #0,1,2: 30:[57, 49] Operation: 62-13=49 Exploring Operation: 57+13=70, Resulting Numbers: [62, 70] Generated Node #0,1,3: 30:[62, 70] Operation: 57+13=70 Exploring Operation: 62+13=75, Resulting Numbers: [57, 75] Generated Node #0,1,4: 30:[57, 75] Operation: 62+13=75 Moving to Node #0,0 Current State: 30:[57, 68, 19], Operations: ['81-62=19'] Exploring Operation: 57/19=3, Resulting Numbers: [68, 3] Generated Node #0,0,0: 30:[68, 3] Operation: 57/19=3 Exploring Operation: 68-19=49, Resulting Numbers: [57, 49] Generated Node #0,0,1: 30:[57, 49] Operation: 68-19=49 Exploring Operation: 68-57=11, Resulting Numbers: [19, 11] Generated Node #0,0,2: 30:[19, 11] Operation: 68-57=11 Exploring Operation: 57-19=38, Resulting Numbers: [68, 38] Generated Node #0,0,3: 30:[68, 38] Operation: 57-19=38 Exploring Operation: 57+19=76, Resulting Numbers: [68, 76] Generated Node #0,0,4: 30:[68, 76] Operation: 57+19=76 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[19, 11], Operations: ['81-62=19', '68-57=11'] Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,30 unequal: No Solution Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[62, 81, 57, 68], Operations: [] Exploring Operation: 81-62=19, Resulting Numbers: [57, 68, 19] Generated Node #0,0: 30:[57, 68, 19] Operation: 81-62=19 Moving to Node #0,0 Current State: 30:[57, 68, 19], Operations: ['81-62=19'] Exploring Operation: 68-57=11, Resulting Numbers: [19, 11] Generated Node #0,0,2: 30:[19, 11] Operation: 68-57=11 Moving to Node #0,0,2 Current State: 30:[19, 11], Operations: ['81-62=19', '68-57=11'] Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 43, 41, 31, 47 ]
39
[ "43-41=2", "31+47=78", "78/2=39" ]
Current State: 39:[43, 41, 31, 47], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [31, 47, 2] Generated Node #2: [31, 47, 2] from Operation: 43-41=2 Current State: 39:[31, 47, 2], Operations: ['43-41=2'] Exploring Operation: 31+47=78, Resulting Numbers: [2, 78] Generated Node #3: [2, 78] from Operation: 31+47=78 Current State: 39:[2, 78], Operations: ['43-41=2', '31+47=78'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[43, 41, 31, 47], Operations: [] Exploring Operation: 43-31=12, Resulting Numbers: [41, 47, 12] Generated Node #0,0: 39:[41, 47, 12] Operation: 43-31=12 Exploring Operation: 41-31=10, Resulting Numbers: [43, 47, 10] Generated Node #0,1: 39:[43, 47, 10] Operation: 41-31=10 Exploring Operation: 47-31=16, Resulting Numbers: [43, 41, 16] Generated Node #0,2: 39:[43, 41, 16] Operation: 47-31=16 Exploring Operation: 47-41=6, Resulting Numbers: [43, 31, 6] Generated Node #0,3: 39:[43, 31, 6] Operation: 47-41=6 Exploring Operation: 47-43=4, Resulting Numbers: [41, 31, 4] Generated Node #0,4: 39:[41, 31, 4] Operation: 47-43=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[43, 41, 16], Operations: ['47-31=16'] Exploring Operation: 43-16=27, Resulting Numbers: [41, 27] Generated Node #0,2,0: 39:[41, 27] Operation: 43-16=27 Exploring Operation: 43-41=2, Resulting Numbers: [16, 2] Generated Node #0,2,1: 39:[16, 2] Operation: 43-41=2 Exploring Operation: 43+16=59, Resulting Numbers: [41, 59] Generated Node #0,2,2: 39:[41, 59] Operation: 43+16=59 Exploring Operation: 41-16=25, Resulting Numbers: [43, 25] Generated Node #0,2,3: 39:[43, 25] Operation: 41-16=25 Exploring Operation: 41+16=57, Resulting Numbers: [43, 57] Generated Node #0,2,4: 39:[43, 57] Operation: 41+16=57 Moving to Node #0,2,1 Current State: 39:[16, 2], Operations: ['47-31=16', '43-41=2'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[41, 27], Operations: ['47-31=16', '43-16=27'] Exploring Operation: 41*27=1107, Resulting Numbers: [1107] 1107,39 unequal: No Solution Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 41+27=68, Resulting Numbers: [68] 68,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[43, 25], Operations: ['47-31=16', '41-16=25'] Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 43+25=68, Resulting Numbers: [68] 68,39 unequal: No Solution Exploring Operation: 43*25=1075, Resulting Numbers: [1075] 1075,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[41, 59], Operations: ['47-31=16', '43+16=59'] Exploring Operation: 41+59=100, Resulting Numbers: [100] 100,39 unequal: No Solution Exploring Operation: 59-41=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 41*59=2419, Resulting Numbers: [2419] 2419,39 unequal: No Solution Moving to Node #0,2,4 Current State: 39:[43, 57], Operations: ['47-31=16', '41+16=57'] Exploring Operation: 57-43=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 43*57=2451, Resulting Numbers: [2451] 2451,39 unequal: No Solution Exploring Operation: 43+57=100, Resulting Numbers: [100] 100,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[41, 47, 12], Operations: ['43-31=12'] Exploring Operation: 47+12=59, Resulting Numbers: [41, 59] Generated Node #0,0,0: 39:[41, 59] Operation: 47+12=59 Exploring Operation: 47-41=6, Resulting Numbers: [12, 6] Generated Node #0,0,1: 39:[12, 6] Operation: 47-41=6 Exploring Operation: 47-12=35, Resulting Numbers: [41, 35] Generated Node #0,0,2: 39:[41, 35] Operation: 47-12=35 Exploring Operation: 41-12=29, Resulting Numbers: [47, 29] Generated Node #0,0,3: 39:[47, 29] Operation: 41-12=29 Exploring Operation: 41+12=53, Resulting Numbers: [47, 53] Generated Node #0,0,4: 39:[47, 53] Operation: 41+12=53 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 39:[12, 6], Operations: ['43-31=12', '47-41=6'] Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,39 unequal: No Solution Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[41, 35], Operations: ['43-31=12', '47-12=35'] Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,39 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 39:[47, 29], Operations: ['43-31=12', '41-12=29'] Exploring Operation: 47*29=1363, Resulting Numbers: [1363] 1363,39 unequal: No Solution Exploring Operation: 47+29=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[41, 59], Operations: ['43-31=12', '47+12=59'] Exploring Operation: 59-41=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 41+59=100, Resulting Numbers: [100] 100,39 unequal: No Solution Exploring Operation: 41*59=2419, Resulting Numbers: [2419] 2419,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 39:[47, 53], Operations: ['43-31=12', '41+12=53'] Exploring Operation: 47+53=100, Resulting Numbers: [100] 100,39 unequal: No Solution Exploring Operation: 47*53=2491, Resulting Numbers: [2491] 2491,39 unequal: No Solution Exploring Operation: 53-47=6, Resulting Numbers: [6] 6,39 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: 39:[41, 31, 4], Operations: ['47-43=4'] Exploring Operation: 41-31=10, Resulting Numbers: [4, 10] Generated Node #0,4,0: 39:[4, 10] Operation: 41-31=10 Exploring Operation: 41+4=45, Resulting Numbers: [31, 45] Generated Node #0,4,1: 39:[31, 45] Operation: 41+4=45 Exploring Operation: 41-4=37, Resulting Numbers: [31, 37] Generated Node #0,4,2: 39:[31, 37] Operation: 41-4=37 Exploring Operation: 31-4=27, Resulting Numbers: [41, 27] Generated Node #0,4,3: 39:[41, 27] Operation: 31-4=27 Exploring Operation: 31+4=35, Resulting Numbers: [41, 35] Generated Node #0,4,4: 39:[41, 35] Operation: 31+4=35 Moving to Node #0,4,0 Current State: 39:[4, 10], Operations: ['47-43=4', '41-31=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,39 unequal: No Solution Moving to Node #0,4,4 Current State: 39:[41, 35], Operations: ['47-43=4', '31+4=35'] Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,39 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,39 unequal: No Solution Moving to Node #0,4,2 Current State: 39:[31, 37], Operations: ['47-43=4', '41-4=37'] Exploring Operation: 31+37=68, Resulting Numbers: [68] 68,39 unequal: No Solution Exploring Operation: 31*37=1147, Resulting Numbers: [1147] 1147,39 unequal: No Solution Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,39 unequal: No Solution Moving to Node #0,4,1 Current State: 39:[31, 45], Operations: ['47-43=4', '41+4=45'] Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 31+45=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 31*45=1395, Resulting Numbers: [1395] 1395,39 unequal: No Solution Moving to Node #0,4,3 Current State: 39:[41, 27], Operations: ['47-43=4', '31-4=27'] Exploring Operation: 41+27=68, Resulting Numbers: [68] 68,39 unequal: No Solution Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 41*27=1107, Resulting Numbers: [1107] 1107,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[43, 47, 10], Operations: ['41-31=10'] Exploring Operation: 47-43=4, Resulting Numbers: [10, 4] Generated Node #0,1,0: 39:[10, 4] Operation: 47-43=4 Exploring Operation: 47+10=57, Resulting Numbers: [43, 57] Generated Node #0,1,1: 39:[43, 57] Operation: 47+10=57 Exploring Operation: 47-10=37, Resulting Numbers: [43, 37] Generated Node #0,1,2: 39:[43, 37] Operation: 47-10=37 Exploring Operation: 43-10=33, Resulting Numbers: [47, 33] Generated Node #0,1,3: 39:[47, 33] Operation: 43-10=33 Exploring Operation: 43+10=53, Resulting Numbers: [47, 53] Generated Node #0,1,4: 39:[47, 53] Operation: 43+10=53 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 39:[10, 4], Operations: ['41-31=10', '47-43=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,39 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 39:[43, 37], Operations: ['41-31=10', '47-10=37'] Exploring Operation: 43*37=1591, Resulting Numbers: [1591] 1591,39 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 43+37=80, Resulting Numbers: [80] 80,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 39:[47, 33], Operations: ['41-31=10', '43-10=33'] Exploring Operation: 47+33=80, Resulting Numbers: [80] 80,39 unequal: No Solution Exploring Operation: 47*33=1551, Resulting Numbers: [1551] 1551,39 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 39:[43, 57], Operations: ['41-31=10', '47+10=57'] Exploring Operation: 43*57=2451, Resulting Numbers: [2451] 2451,39 unequal: No Solution Exploring Operation: 57-43=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 43+57=100, Resulting Numbers: [100] 100,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 39:[47, 53], Operations: ['41-31=10', '43+10=53'] Exploring Operation: 47*53=2491, Resulting Numbers: [2491] 2491,39 unequal: No Solution Exploring Operation: 47+53=100, Resulting Numbers: [100] 100,39 unequal: No Solution Exploring Operation: 53-47=6, Resulting Numbers: [6] 6,39 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: 39:[43, 31, 6], Operations: ['47-41=6'] Exploring Operation: 43+6=49, Resulting Numbers: [31, 49] Generated Node #0,3,0: 39:[31, 49] Operation: 43+6=49 Exploring Operation: 43-6=37, Resulting Numbers: [31, 37] Generated Node #0,3,1: 39:[31, 37] Operation: 43-6=37 Exploring Operation: 43-31=12, Resulting Numbers: [6, 12] Generated Node #0,3,2: 39:[6, 12] Operation: 43-31=12 Exploring Operation: 31+6=37, Resulting Numbers: [43, 37] Generated Node #0,3,3: 39:[43, 37] Operation: 31+6=37 Exploring Operation: 31-6=25, Resulting Numbers: [43, 25] Generated Node #0,3,4: 39:[43, 25] Operation: 31-6=25 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 39:[6, 12], Operations: ['47-41=6', '43-31=12'] Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,39 unequal: No Solution Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,39 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 39:[43, 37], Operations: ['47-41=6', '31+6=37'] Exploring Operation: 43+37=80, Resulting Numbers: [80] 80,39 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 43*37=1591, Resulting Numbers: [1591] 1591,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 39:[31, 37], Operations: ['47-41=6', '43-6=37'] Exploring Operation: 31+37=68, Resulting Numbers: [68] 68,39 unequal: No Solution Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 31*37=1147, Resulting Numbers: [1147] 1147,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 39:[43, 25], Operations: ['47-41=6', '31-6=25'] Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 43+25=68, Resulting Numbers: [68] 68,39 unequal: No Solution Exploring Operation: 43*25=1075, Resulting Numbers: [1075] 1075,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 39:[31, 49], Operations: ['47-41=6', '43+6=49'] Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,39 unequal: No Solution Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,39 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,39 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
[ 14, 46, 21, 31 ]
100
[ "46*21=966", "966/14=69", "31+69=100" ]
Current State: 100:[14, 46, 21, 31], Operations: [] Exploring Operation: 46*21=966, Resulting Numbers: [14, 31, 966] Generated Node #2: [14, 31, 966] from Operation: 46*21=966 Current State: 100:[14, 31, 966], Operations: ['46*21=966'] Exploring Operation: 966/14=69, Resulting Numbers: [31, 69] Generated Node #3: [31, 69] from Operation: 966/14=69 Current State: 100:[31, 69], Operations: ['46*21=966', '966/14=69'] Exploring Operation: 31+69=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[14, 46, 21, 31], Operations: [] Exploring Operation: 46-31=15, Resulting Numbers: [14, 21, 15] Generated Node #0,0: 100:[14, 21, 15] Operation: 46-31=15 Exploring Operation: 46-21=25, Resulting Numbers: [14, 31, 25] Generated Node #0,1: 100:[14, 31, 25] Operation: 46-21=25 Exploring Operation: 31-21=10, Resulting Numbers: [14, 46, 10] Generated Node #0,2: 100:[14, 46, 10] Operation: 31-21=10 Exploring Operation: 31-14=17, Resulting Numbers: [46, 21, 17] Generated Node #0,3: 100:[46, 21, 17] Operation: 31-14=17 Exploring Operation: 14+31=45, Resulting Numbers: [46, 21, 45] Generated Node #0,4: 100:[46, 21, 45] Operation: 14+31=45 Moving to Node #0,2 Current State: 100:[14, 46, 10], Operations: ['31-21=10'] Exploring Operation: 14+46=60, Resulting Numbers: [10, 60] Generated Node #0,2,0: 100:[10, 60] Operation: 14+46=60 Exploring Operation: 46-14=32, Resulting Numbers: [10, 32] Generated Node #0,2,1: 100:[10, 32] Operation: 46-14=32 Exploring Operation: 14-10=4, Resulting Numbers: [46, 4] Generated Node #0,2,2: 100:[46, 4] Operation: 14-10=4 Exploring Operation: 14+10=24, Resulting Numbers: [46, 24] Generated Node #0,2,3: 100:[46, 24] Operation: 14+10=24 Exploring Operation: 46+10=56, Resulting Numbers: [14, 56] Generated Node #0,2,4: 100:[14, 56] Operation: 46+10=56 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 100:[46, 4], Operations: ['31-21=10', '14-10=4'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 46*4=184, Resulting Numbers: [184] 184,100 unequal: No Solution Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 100:[46, 24], Operations: ['31-21=10', '14+10=24'] Exploring Operation: 46+24=70, Resulting Numbers: [70] 70,100 unequal: No Solution Exploring Operation: 46*24=1104, Resulting Numbers: [1104] 1104,100 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 100:[10, 32], Operations: ['31-21=10', '46-14=32'] Exploring Operation: 10*32=320, Resulting Numbers: [320] 320,100 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 100:[10, 60], Operations: ['31-21=10', '14+46=60'] Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,100 unequal: No Solution Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,100 unequal: No Solution Exploring Operation: 10*60=600, Resulting Numbers: [600] 600,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 100:[14, 56], Operations: ['31-21=10', '46+10=56'] Exploring Operation: 14+56=70, Resulting Numbers: [70] 70,100 unequal: No Solution Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,100 unequal: No Solution Exploring Operation: 14*56=784, Resulting Numbers: [784] 784,100 unequal: No Solution Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,100 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: 100:[46, 21, 17], Operations: ['31-14=17'] Exploring Operation: 21+17=38, Resulting Numbers: [46, 38] Generated Node #0,3,0: 100:[46, 38] Operation: 21+17=38 Exploring Operation: 46-17=29, Resulting Numbers: [21, 29] Generated Node #0,3,1: 100:[21, 29] Operation: 46-17=29 Exploring Operation: 46+17=63, Resulting Numbers: [21, 63] Generated Node #0,3,2: 100:[21, 63] Operation: 46+17=63 Exploring Operation: 21-17=4, Resulting Numbers: [46, 4] Generated Node #0,3,3: 100:[46, 4] Operation: 21-17=4 Exploring Operation: 46-21=25, Resulting Numbers: [17, 25] Generated Node #0,3,4: 100:[17, 25] Operation: 46-21=25 Moving to Node #0,0 Current State: 100:[14, 21, 15], Operations: ['46-31=15'] Exploring Operation: 14+21=35, Resulting Numbers: [15, 35] Generated Node #0,0,0: 100:[15, 35] Operation: 14+21=35 Exploring Operation: 21-14=7, Resulting Numbers: [15, 7] Generated Node #0,0,1: 100:[15, 7] Operation: 21-14=7 Exploring Operation: 21-15=6, Resulting Numbers: [14, 6] Generated Node #0,0,2: 100:[14, 6] Operation: 21-15=6 Exploring Operation: 14+15=29, Resulting Numbers: [21, 29] Generated Node #0,0,3: 100:[21, 29] Operation: 14+15=29 Exploring Operation: 15-14=1, Resulting Numbers: [21, 1] Generated Node #0,0,4: 100:[21, 1] Operation: 15-14=1 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 100:[21, 1], Operations: ['46-31=15', '15-14=1'] Exploring Operation: 21*1=21, Resulting Numbers: [21] 21,100 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 21+1=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 100:[14, 6], Operations: ['46-31=15', '21-15=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 100:[21, 29], Operations: ['46-31=15', '14+15=29'] Exploring Operation: 21*29=609, Resulting Numbers: [609] 609,100 unequal: No Solution Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 100:[15, 7], Operations: ['46-31=15', '21-14=7'] Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,100 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[15, 35], Operations: ['46-31=15', '14+21=35'] Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 15*35=525, Resulting Numbers: [525] 525,100 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: 100:[14, 31, 25], Operations: ['46-21=25'] Exploring Operation: 31-25=6, Resulting Numbers: [14, 6] Generated Node #0,1,0: 100:[14, 6] Operation: 31-25=6 Exploring Operation: 31+25=56, Resulting Numbers: [14, 56] Generated Node #0,1,1: 100:[14, 56] Operation: 31+25=56 Exploring Operation: 25-14=11, Resulting Numbers: [31, 11] Generated Node #0,1,2: 100:[31, 11] Operation: 25-14=11 Exploring Operation: 14+31=45, Resulting Numbers: [25, 45] Generated Node #0,1,3: 100:[25, 45] Operation: 14+31=45 Exploring Operation: 31-14=17, Resulting Numbers: [25, 17] Generated Node #0,1,4: 100:[25, 17] Operation: 31-14=17 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 100:[25, 17], Operations: ['46-21=25', '31-14=17'] Exploring Operation: 25+17=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 25*17=425, Resulting Numbers: [425] 425,100 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[14, 6], Operations: ['46-21=25', '31-25=6'] Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 100:[25, 45], Operations: ['46-21=25', '14+31=45'] Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 25*45=1125, Resulting Numbers: [1125] 1125,100 unequal: No Solution Exploring Operation: 25+45=70, Resulting Numbers: [70] 70,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 100:[31, 11], Operations: ['46-21=25', '25-14=11'] Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,100 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[14, 56], Operations: ['46-21=25', '31+25=56'] Exploring Operation: 14+56=70, Resulting Numbers: [70] 70,100 unequal: No Solution Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,100 unequal: No Solution Exploring Operation: 14*56=784, Resulting Numbers: [784] 784,100 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: 100:[46, 21, 45], Operations: ['14+31=45'] Exploring Operation: 46-21=25, Resulting Numbers: [45, 25] Generated Node #0,4,0: 100:[45, 25] Operation: 46-21=25 Exploring Operation: 45-21=24, Resulting Numbers: [46, 24] Generated Node #0,4,1: 100:[46, 24] Operation: 45-21=24 Exploring Operation: 46-45=1, Resulting Numbers: [21, 1] Generated Node #0,4,2: 100:[21, 1] Operation: 46-45=1 Exploring Operation: 46+45=91, Resulting Numbers: [21, 91] Generated Node #0,4,3: 100:[21, 91] Operation: 46+45=91 Exploring Operation: 21+45=66, Resulting Numbers: [46, 66] Generated Node #0,4,4: 100:[46, 66] Operation: 21+45=66 Moving to Node #0,4,2 Current State: 100:[21, 1], Operations: ['14+31=45', '46-45=1'] Exploring Operation: 21*1=21, Resulting Numbers: [21] 21,100 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 21+1=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,100 unequal: No Solution Moving to Node #0,3,4 Current State: 100:[17, 25], Operations: ['31-14=17', '46-21=25'] Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 17*25=425, Resulting Numbers: [425] 425,100 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,100 unequal: No Solution Moving to Node #0,3,3 Current State: 100:[46, 4], Operations: ['31-14=17', '21-17=4'] Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 46*4=184, Resulting Numbers: [184] 184,100 unequal: No Solution Moving to Node #0,4,0 Current State: 100:[45, 25], Operations: ['14+31=45', '46-21=25'] Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,100 unequal: No Solution Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,100 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,100 unequal: No Solution Moving to Node #0,3,1 Current State: 100:[21, 29], Operations: ['31-14=17', '46-17=29'] Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 21*29=609, Resulting Numbers: [609] 609,100 unequal: No Solution Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,100 unequal: No Solution Moving to Node #0,4,1 Current State: 100:[46, 24], Operations: ['14+31=45', '45-21=24'] Exploring Operation: 46+24=70, Resulting Numbers: [70] 70,100 unequal: No Solution Exploring Operation: 46*24=1104, Resulting Numbers: [1104] 1104,100 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,100 unequal: No Solution Moving to Node #0,4,3 Current State: 100:[21, 91], Operations: ['14+31=45', '46+45=91'] Exploring Operation: 21*91=1911, Resulting Numbers: [1911] 1911,100 unequal: No Solution Exploring Operation: 21+91=112, Resulting Numbers: [112] 112,100 unequal: No Solution Exploring Operation: 91-21=70, Resulting Numbers: [70] 70,100 unequal: No Solution Moving to Node #0,3,2 Current State: 100:[21, 63], Operations: ['31-14=17', '46+17=63'] Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 21*63=1323, Resulting Numbers: [1323] 1323,100 unequal: No Solution Exploring Operation: 21+63=84, Resulting Numbers: [84] 84,100 unequal: No Solution Moving to Node #0,3,0 Current State: 100:[46, 38], Operations: ['31-14=17', '21+17=38'] Exploring Operation: 46+38=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 46*38=1748, Resulting Numbers: [1748] 1748,100 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,100 unequal: No Solution Moving to Node #0,4,4 Current State: 100:[46, 66], Operations: ['14+31=45', '21+45=66'] Exploring Operation: 46*66=3036, Resulting Numbers: [3036] 3036,100 unequal: No Solution Exploring Operation: 66-46=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 46+66=112, Resulting Numbers: [112] 112,100 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 97, 12, 92, 37 ]
97
[ "97-92=5", "12*5=60", "37+60=97" ]
Current State: 97:[97, 12, 92, 37], Operations: [] Exploring Operation: 97-92=5, Resulting Numbers: [12, 37, 5] Generated Node #2: [12, 37, 5] from Operation: 97-92=5 Current State: 97:[12, 37, 5], Operations: ['97-92=5'] Exploring Operation: 12*5=60, Resulting Numbers: [37, 60] Generated Node #3: [37, 60] from Operation: 12*5=60 Current State: 97:[37, 60], Operations: ['97-92=5', '12*5=60'] Exploring Operation: 37+60=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[97, 12, 92, 37], Operations: [] Exploring Operation: 12+92=104, Resulting Numbers: [97, 37, 104] Generated Node #0,0: 97:[97, 37, 104] Operation: 12+92=104 Exploring Operation: 12+37=49, Resulting Numbers: [97, 92, 49] Generated Node #0,1: 97:[97, 92, 49] Operation: 12+37=49 Moving to Node #0,1 Current State: 97:[97, 92, 49], Operations: ['12+37=49'] Exploring Operation: 92+49=141, Resulting Numbers: [97, 141] Generated Node #0,1,0: 97:[97, 141] Operation: 92+49=141 Exploring Operation: 97+49=146, Resulting Numbers: [92, 146] Generated Node #0,1,1: 97:[92, 146] Operation: 97+49=146 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[97, 141], Operations: ['12+37=49', '92+49=141'] Exploring Operation: 141-97=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 97+141=238, Resulting Numbers: [238] 238,97 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:[92, 146], Operations: ['12+37=49', '97+49=146'] Exploring Operation: 92+146=238, Resulting Numbers: [238] 238,97 unequal: No Solution Exploring Operation: 146-92=54, Resulting Numbers: [54] 54,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 97:[97, 37, 104], Operations: ['12+92=104'] Exploring Operation: 97+37=134, Resulting Numbers: [104, 134] Generated Node #0,0,0: 97:[104, 134] Operation: 97+37=134 Exploring Operation: 104-37=67, Resulting Numbers: [97, 67] Generated Node #0,0,1: 97:[97, 67] Operation: 104-37=67 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[97, 67], Operations: ['12+92=104', '104-37=67'] Exploring Operation: 97-67=30, Resulting Numbers: [30] 30,97 unequal: No Solution Exploring Operation: 97+67=164, Resulting Numbers: [164] 164,97 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 #0,0,0 Current State: 97:[104, 134], Operations: ['12+92=104', '97+37=134'] Exploring Operation: 104+134=238, Resulting Numbers: [238] 238,97 unequal: No Solution Exploring Operation: 134-104=30, Resulting Numbers: [30] 30,97 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
[ 76, 27, 22, 55 ]
28
[ "76-27=49", "22+55=77", "77-49=28" ]
Current State: 28:[76, 27, 22, 55], Operations: [] Exploring Operation: 76-27=49, Resulting Numbers: [22, 55, 49] Generated Node #2: [22, 55, 49] from Operation: 76-27=49 Current State: 28:[22, 55, 49], Operations: ['76-27=49'] Exploring Operation: 22+55=77, Resulting Numbers: [49, 77] Generated Node #3: [49, 77] from Operation: 22+55=77 Current State: 28:[49, 77], Operations: ['76-27=49', '22+55=77'] Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[76, 27, 22, 55], Operations: [] Exploring Operation: 55-27=28, Resulting Numbers: [76, 22, 28] Generated Node #0,0: 28:[76, 22, 28] Operation: 55-27=28 Exploring Operation: 76-22=54, Resulting Numbers: [27, 55, 54] Generated Node #0,1: 28:[27, 55, 54] Operation: 76-22=54 Exploring Operation: 76-27=49, Resulting Numbers: [22, 55, 49] Generated Node #0,2: 28:[22, 55, 49] Operation: 76-27=49 Exploring Operation: 55-22=33, Resulting Numbers: [76, 27, 33] Generated Node #0,3: 28:[76, 27, 33] Operation: 55-22=33 Exploring Operation: 76-55=21, Resulting Numbers: [27, 22, 21] Generated Node #0,4: 28:[27, 22, 21] Operation: 76-55=21 Start Sub Search at level 1: Moving to Node #0,4 Current State: 28:[27, 22, 21], Operations: ['76-55=21'] Exploring Operation: 27-21=6, Resulting Numbers: [22, 6] Generated Node #0,4,0: 28:[22, 6] Operation: 27-21=6 Exploring Operation: 22+21=43, Resulting Numbers: [27, 43] Generated Node #0,4,1: 28:[27, 43] Operation: 22+21=43 Exploring Operation: 22-21=1, Resulting Numbers: [27, 1] Generated Node #0,4,2: 28:[27, 1] Operation: 22-21=1 Exploring Operation: 27+21=48, Resulting Numbers: [22, 48] Generated Node #0,4,3: 28:[22, 48] Operation: 27+21=48 Exploring Operation: 27-22=5, Resulting Numbers: [21, 5] Generated Node #0,4,4: 28:[21, 5] Operation: 27-22=5 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 28:[27, 1], Operations: ['76-55=21', '22-21=1'] Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[76, 27, 22, 55], Operations: [] Exploring Operation: 76-55=21, Resulting Numbers: [27, 22, 21] Generated Node #0,4: 28:[27, 22, 21] Operation: 76-55=21 Moving to Node #0,4 Current State: 28:[27, 22, 21], Operations: ['76-55=21'] Exploring Operation: 22-21=1, Resulting Numbers: [27, 1] Generated Node #0,4,2: 28:[27, 1] Operation: 22-21=1 Moving to Node #0,4,2 Current State: 28:[27, 1], Operations: ['76-55=21', '22-21=1'] Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 51, 98, 2, 90 ]
94
[ "51*2=102", "98-90=8", "102-8=94" ]
Current State: 94:[51, 98, 2, 90], Operations: [] Exploring Operation: 51*2=102, Resulting Numbers: [98, 90, 102] Generated Node #2: [98, 90, 102] from Operation: 51*2=102 Current State: 94:[98, 90, 102], Operations: ['51*2=102'] Exploring Operation: 98-90=8, Resulting Numbers: [102, 8] Generated Node #3: [102, 8] from Operation: 98-90=8 Current State: 94:[102, 8], Operations: ['51*2=102', '98-90=8'] Exploring Operation: 102-8=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[51, 98, 2, 90], Operations: [] Exploring Operation: 51-2=49, Resulting Numbers: [98, 90, 49] Generated Node #0,0: 94:[98, 90, 49] Operation: 51-2=49 Exploring Operation: 98-51=47, Resulting Numbers: [2, 90, 47] Generated Node #0,1: 94:[2, 90, 47] Operation: 98-51=47 Exploring Operation: 98-90=8, Resulting Numbers: [51, 2, 8] Generated Node #0,2: 94:[51, 2, 8] Operation: 98-90=8 Exploring Operation: 98-2=96, Resulting Numbers: [51, 90, 96] Generated Node #0,3: 94:[51, 90, 96] Operation: 98-2=96 Exploring Operation: 98/2=49, Resulting Numbers: [51, 90, 49] Generated Node #0,4: 94:[51, 90, 49] Operation: 98/2=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[2, 90, 47], Operations: ['98-51=47'] Exploring Operation: 2*47=94, Resulting Numbers: [90, 94] Generated Node #0,1,0: 94:[90, 94] Operation: 2*47=94 Exploring Operation: 90-47=43, Resulting Numbers: [2, 43] Generated Node #0,1,1: 94:[2, 43] Operation: 90-47=43 Exploring Operation: 90-2=88, Resulting Numbers: [47, 88] Generated Node #0,1,2: 94:[47, 88] Operation: 90-2=88 Exploring Operation: 90/2=45, Resulting Numbers: [47, 45] Generated Node #0,1,3: 94:[47, 45] Operation: 90/2=45 Exploring Operation: 2+90=92, Resulting Numbers: [47, 92] Generated Node #0,1,4: 94:[47, 92] Operation: 2+90=92 Moving to Node #0,1,3 Current State: 94:[47, 45], Operations: ['98-51=47', '90/2=45'] Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 47*45=2115, Resulting Numbers: [2115] 2115,94 unequal: No Solution Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,94 unequal: No Solution Moving to Node #0,1,4 Current State: 94:[47, 92], Operations: ['98-51=47', '2+90=92'] Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 47*92=4324, Resulting Numbers: [4324] 4324,94 unequal: No Solution Exploring Operation: 47+92=139, Resulting Numbers: [139] 139,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[90, 94], Operations: ['98-51=47', '2*47=94'] Exploring Operation: 94-90=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 90*94=8460, Resulting Numbers: [8460] 8460,94 unequal: No Solution Exploring Operation: 90+94=184, Resulting Numbers: [184] 184,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[2, 43], Operations: ['98-51=47', '90-47=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,94 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,94 unequal: No Solution Moving to Node #0,1,2 Current State: 94:[47, 88], Operations: ['98-51=47', '90-2=88'] Exploring Operation: 47*88=4136, Resulting Numbers: [4136] 4136,94 unequal: No Solution Exploring Operation: 47+88=135, Resulting Numbers: [135] 135,94 unequal: No Solution Exploring Operation: 88-47=41, Resulting Numbers: [41] 41,94 unequal: No Solution No 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: 94:[98, 90, 49], Operations: ['51-2=49'] Exploring Operation: 98-49=49, Resulting Numbers: [90, 49] Generated Node #0,0,0: 94:[90, 49] Operation: 98-49=49 Exploring Operation: 90+49=139, Resulting Numbers: [98, 139] Generated Node #0,0,1: 94:[98, 139] Operation: 90+49=139 Exploring Operation: 98-90=8, Resulting Numbers: [49, 8] Generated Node #0,0,2: 94:[49, 8] Operation: 98-90=8 Exploring Operation: 98/49=2, Resulting Numbers: [90, 2] Generated Node #0,0,3: 94:[90, 2] Operation: 98/49=2 Exploring Operation: 90-49=41, Resulting Numbers: [98, 41] Generated Node #0,0,4: 94:[98, 41] Operation: 90-49=41 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 94:[90, 2], Operations: ['51-2=49', '98/49=2'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,94 unequal: No Solution Exploring Operation: 90*2=180, Resulting Numbers: [180] 180,94 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,94 unequal: No Solution No 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: 94:[90, 49], Operations: ['51-2=49', '98-49=49'] Exploring Operation: 90-49=41, Resulting Numbers: [41] 41,94 unequal: No Solution Exploring Operation: 90*49=4410, Resulting Numbers: [4410] 4410,94 unequal: No Solution Exploring Operation: 90+49=139, Resulting Numbers: [139] 139,94 unequal: No Solution No 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: 94:[49, 8], Operations: ['51-2=49', '98-90=8'] Exploring Operation: 49*8=392, Resulting Numbers: [392] 392,94 unequal: No Solution Exploring Operation: 49+8=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,94 unequal: No Solution No 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: 94:[98, 41], Operations: ['51-2=49', '90-49=41'] Exploring Operation: 98*41=4018, Resulting Numbers: [4018] 4018,94 unequal: No Solution Exploring Operation: 98-41=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 98+41=139, Resulting Numbers: [139] 139,94 unequal: No Solution No 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: 94:[98, 139], Operations: ['51-2=49', '90+49=139'] Exploring Operation: 98*139=13622, Resulting Numbers: [13622] 13622,94 unequal: No Solution Exploring Operation: 98+139=237, Resulting Numbers: [237] 237,94 unequal: No Solution Exploring Operation: 139-98=41, Resulting Numbers: [41] 41,94 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: 94:[51, 2, 8], Operations: ['98-90=8'] Exploring Operation: 8-2=6, Resulting Numbers: [51, 6] Generated Node #0,2,0: 94:[51, 6] Operation: 8-2=6 Exploring Operation: 51-8=43, Resulting Numbers: [2, 43] Generated Node #0,2,1: 94:[2, 43] Operation: 51-8=43 Exploring Operation: 51+2=53, Resulting Numbers: [8, 53] Generated Node #0,2,2: 94:[8, 53] Operation: 51+2=53 Exploring Operation: 51-2=49, Resulting Numbers: [8, 49] Generated Node #0,2,3: 94:[8, 49] Operation: 51-2=49 Exploring Operation: 8/2=4, Resulting Numbers: [51, 4] Generated Node #0,2,4: 94:[51, 4] Operation: 8/2=4 Moving to Node #0,2,1 Current State: 94:[2, 43], Operations: ['98-90=8', '51-8=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,94 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,94 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,94 unequal: No Solution Moving to Node #0,2,4 Current State: 94:[51, 4], Operations: ['98-90=8', '8/2=4'] Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,94 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[51, 6], Operations: ['98-90=8', '8-2=6'] Exploring Operation: 51*6=306, Resulting Numbers: [306] 306,94 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 51+6=57, Resulting Numbers: [57] 57,94 unequal: No Solution Moving to Node #0,2,3 Current State: 94:[8, 49], Operations: ['98-90=8', '51-2=49'] Exploring Operation: 8*49=392, Resulting Numbers: [392] 392,94 unequal: No Solution Exploring Operation: 8+49=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[8, 53], Operations: ['98-90=8', '51+2=53'] Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 8+53=61, Resulting Numbers: [61] 61,94 unequal: No Solution Exploring Operation: 8*53=424, Resulting Numbers: [424] 424,94 unequal: No Solution No 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: 94:[51, 90, 96], Operations: ['98-2=96'] Exploring Operation: 51+96=147, Resulting Numbers: [90, 147] Generated Node #0,3,0: 94:[90, 147] Operation: 51+96=147 Exploring Operation: 96-51=45, Resulting Numbers: [90, 45] Generated Node #0,3,1: 94:[90, 45] Operation: 96-51=45 Exploring Operation: 96-90=6, Resulting Numbers: [51, 6] Generated Node #0,3,2: 94:[51, 6] Operation: 96-90=6 Exploring Operation: 90-51=39, Resulting Numbers: [96, 39] Generated Node #0,3,3: 94:[96, 39] Operation: 90-51=39 Exploring Operation: 51+90=141, Resulting Numbers: [96, 141] Generated Node #0,3,4: 94:[96, 141] Operation: 51+90=141 Moving to Node #0,3,1 Current State: 94:[90, 45], Operations: ['98-2=96', '96-51=45'] Exploring Operation: 90-45=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 90*45=4050, Resulting Numbers: [4050] 4050,94 unequal: No Solution Exploring Operation: 90/45=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 90+45=135, Resulting Numbers: [135] 135,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[51, 6], Operations: ['98-2=96', '96-90=6'] Exploring Operation: 51+6=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 51*6=306, Resulting Numbers: [306] 306,94 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,94 unequal: No Solution Moving to Node #0,3,3 Current State: 94:[96, 39], Operations: ['98-2=96', '90-51=39'] Exploring Operation: 96*39=3744, Resulting Numbers: [3744] 3744,94 unequal: No Solution Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 96+39=135, Resulting Numbers: [135] 135,94 unequal: No Solution Moving to Node #0,3,4 Current State: 94:[96, 141], Operations: ['98-2=96', '51+90=141'] Exploring Operation: 96+141=237, Resulting Numbers: [237] 237,94 unequal: No Solution Exploring Operation: 96*141=13536, Resulting Numbers: [13536] 13536,94 unequal: No Solution Exploring Operation: 141-96=45, Resulting Numbers: [45] 45,94 unequal: No Solution Moving to Node #0,3,0 Current State: 94:[90, 147], Operations: ['98-2=96', '51+96=147'] Exploring Operation: 90*147=13230, Resulting Numbers: [13230] 13230,94 unequal: No Solution Exploring Operation: 90+147=237, Resulting Numbers: [237] 237,94 unequal: No Solution Exploring Operation: 147-90=57, Resulting Numbers: [57] 57,94 unequal: No Solution No 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: 94:[51, 90, 49], Operations: ['98/2=49'] Exploring Operation: 90-49=41, Resulting Numbers: [51, 41] Generated Node #0,4,0: 94:[51, 41] Operation: 90-49=41 Exploring Operation: 51-49=2, Resulting Numbers: [90, 2] Generated Node #0,4,1: 94:[90, 2] Operation: 51-49=2 Exploring Operation: 51+90=141, Resulting Numbers: [49, 141] Generated Node #0,4,2: 94:[49, 141] Operation: 51+90=141 Exploring Operation: 51+49=100, Resulting Numbers: [90, 100] Generated Node #0,4,3: 94:[90, 100] Operation: 51+49=100 Exploring Operation: 90-51=39, Resulting Numbers: [49, 39] Generated Node #0,4,4: 94:[49, 39] Operation: 90-51=39 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 94:[90, 2], Operations: ['98/2=49', '51-49=2'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,94 unequal: No Solution Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,94 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 90*2=180, Resulting Numbers: [180] 180,94 unequal: No Solution No 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: 94:[51, 41], Operations: ['98/2=49', '90-49=41'] Exploring Operation: 51*41=2091, Resulting Numbers: [2091] 2091,94 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 51+41=92, Resulting Numbers: [92] 92,94 unequal: No Solution No 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: 94:[90, 100], Operations: ['98/2=49', '51+49=100'] Exploring Operation: 90+100=190, Resulting Numbers: [190] 190,94 unequal: No Solution Exploring Operation: 90*100=9000, Resulting Numbers: [9000] 9000,94 unequal: No Solution Exploring Operation: 100-90=10, Resulting Numbers: [10] 10,94 unequal: No Solution No 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: 94:[49, 39], Operations: ['98/2=49', '90-51=39'] Exploring Operation: 49*39=1911, Resulting Numbers: [1911] 1911,94 unequal: No Solution Exploring Operation: 49+39=88, Resulting Numbers: [88] 88,94 unequal: No Solution Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,94 unequal: No Solution No 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: 94:[49, 141], Operations: ['98/2=49', '51+90=141'] Exploring Operation: 49*141=6909, Resulting Numbers: [6909] 6909,94 unequal: No Solution Exploring Operation: 141-49=92, Resulting Numbers: [92] 92,94 unequal: No Solution Exploring Operation: 49+141=190, Resulting Numbers: [190] 190,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 43, 40, 97, 2 ]
29
[ "43*2=86", "97-40=57", "86-57=29" ]
Current State: 29:[43, 40, 97, 2], Operations: [] Exploring Operation: 43*2=86, Resulting Numbers: [40, 97, 86] Generated Node #2: [40, 97, 86] from Operation: 43*2=86 Current State: 29:[40, 97, 86], Operations: ['43*2=86'] Exploring Operation: 97-40=57, Resulting Numbers: [86, 57] Generated Node #3: [86, 57] from Operation: 97-40=57 Current State: 29:[86, 57], Operations: ['43*2=86', '97-40=57'] Exploring Operation: 86-57=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[43, 40, 97, 2], Operations: [] Exploring Operation: 43-2=41, Resulting Numbers: [40, 97, 41] Generated Node #0,0: 29:[40, 97, 41] Operation: 43-2=41 Exploring Operation: 97-43=54, Resulting Numbers: [40, 2, 54] Generated Node #0,1: 29:[40, 2, 54] Operation: 97-43=54 Exploring Operation: 97-40=57, Resulting Numbers: [43, 2, 57] Generated Node #0,2: 29:[43, 2, 57] Operation: 97-40=57 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[40, 2, 54], Operations: ['97-43=54'] Exploring Operation: 40-2=38, Resulting Numbers: [54, 38] Generated Node #0,1,0: 29:[54, 38] Operation: 40-2=38 Exploring Operation: 40/2=20, Resulting Numbers: [54, 20] Generated Node #0,1,1: 29:[54, 20] Operation: 40/2=20 Exploring Operation: 54/2=27, Resulting Numbers: [40, 27] Generated Node #0,1,2: 29:[40, 27] Operation: 54/2=27 Moving to Node #0,1,2 Current State: 29:[40, 27], Operations: ['97-43=54', '54/2=27'] Exploring Operation: 40+27=67, Resulting Numbers: [67] 67,29 unequal: No Solution Exploring Operation: 40*27=1080, Resulting Numbers: [1080] 1080,29 unequal: No Solution Exploring Operation: 40-27=13, Resulting Numbers: [13] 13,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[54, 38], Operations: ['97-43=54', '40-2=38'] Exploring Operation: 54*38=2052, Resulting Numbers: [2052] 2052,29 unequal: No Solution Exploring Operation: 54+38=92, Resulting Numbers: [92] 92,29 unequal: No Solution Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[54, 20], Operations: ['97-43=54', '40/2=20'] Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 54*20=1080, Resulting Numbers: [1080] 1080,29 unequal: No Solution Exploring Operation: 54+20=74, Resulting Numbers: [74] 74,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[43, 2, 57], Operations: ['97-40=57'] Exploring Operation: 57-2=55, Resulting Numbers: [43, 55] Generated Node #0,2,0: 29:[43, 55] Operation: 57-2=55 Exploring Operation: 43-2=41, Resulting Numbers: [57, 41] Generated Node #0,2,1: 29:[57, 41] Operation: 43-2=41 Exploring Operation: 57-43=14, Resulting Numbers: [2, 14] Generated Node #0,2,2: 29:[2, 14] Operation: 57-43=14 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 29:[43, 55], Operations: ['97-40=57', '57-2=55'] Exploring Operation: 43+55=98, Resulting Numbers: [98] 98,29 unequal: No Solution Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 43*55=2365, Resulting Numbers: [2365] 2365,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 29:[57, 41], Operations: ['97-40=57', '43-2=41'] Exploring Operation: 57*41=2337, Resulting Numbers: [2337] 2337,29 unequal: No Solution Exploring Operation: 57+41=98, Resulting Numbers: [98] 98,29 unequal: No Solution Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 29:[2, 14], Operations: ['97-40=57', '57-43=14'] Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[40, 97, 41], Operations: ['43-2=41'] Exploring Operation: 97-41=56, Resulting Numbers: [40, 56] Generated Node #0,0,0: 29:[40, 56] Operation: 97-41=56 Exploring Operation: 41-40=1, Resulting Numbers: [97, 1] Generated Node #0,0,1: 29:[97, 1] Operation: 41-40=1 Exploring Operation: 97-40=57, Resulting Numbers: [41, 57] Generated Node #0,0,2: 29:[41, 57] Operation: 97-40=57 Moving to Node #0,0,0 Current State: 29:[40, 56], Operations: ['43-2=41', '97-41=56'] Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 40*56=2240, Resulting Numbers: [2240] 2240,29 unequal: No Solution Exploring Operation: 40+56=96, Resulting Numbers: [96] 96,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[41, 57], Operations: ['43-2=41', '97-40=57'] Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 41+57=98, Resulting Numbers: [98] 98,29 unequal: No Solution Exploring Operation: 41*57=2337, Resulting Numbers: [2337] 2337,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[97, 1], Operations: ['43-2=41', '41-40=1'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,29 unequal: No Solution Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,29 unequal: No Solution Exploring Operation: 97/1=97, Resulting Numbers: [97] 97,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 65, 91, 72, 9 ]
22
[ "72-65=7", "91/7=13", "9+13=22" ]
Current State: 22:[65, 91, 72, 9], Operations: [] Exploring Operation: 72-65=7, Resulting Numbers: [91, 9, 7] Generated Node #2: [91, 9, 7] from Operation: 72-65=7 Current State: 22:[91, 9, 7], Operations: ['72-65=7'] Exploring Operation: 91/7=13, Resulting Numbers: [9, 13] Generated Node #3: [9, 13] from Operation: 91/7=13 Current State: 22:[9, 13], Operations: ['72-65=7', '91/7=13'] Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[65, 91, 72, 9], Operations: [] Exploring Operation: 91-65=26, Resulting Numbers: [72, 9, 26] Generated Node #0,0: 22:[72, 9, 26] Operation: 91-65=26 Exploring Operation: 91-72=19, Resulting Numbers: [65, 9, 19] Generated Node #0,1: 22:[65, 9, 19] Operation: 91-72=19 Exploring Operation: 72-65=7, Resulting Numbers: [91, 9, 7] Generated Node #0,2: 22:[91, 9, 7] Operation: 72-65=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[65, 9, 19], Operations: ['91-72=19'] Exploring Operation: 65-9=56, Resulting Numbers: [19, 56] Generated Node #0,1,0: 22:[19, 56] Operation: 65-9=56 Exploring Operation: 19-9=10, Resulting Numbers: [65, 10] Generated Node #0,1,1: 22:[65, 10] Operation: 19-9=10 Exploring Operation: 65-19=46, Resulting Numbers: [9, 46] Generated Node #0,1,2: 22:[9, 46] Operation: 65-19=46 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 22:[9, 46], Operations: ['91-72=19', '65-19=46'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 9*46=414, Resulting Numbers: [414] 414,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 22:[19, 56], Operations: ['91-72=19', '65-9=56'] Exploring Operation: 19*56=1064, Resulting Numbers: [1064] 1064,22 unequal: No Solution Exploring Operation: 19+56=75, Resulting Numbers: [75] 75,22 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 22:[65, 10], Operations: ['91-72=19', '19-9=10'] Exploring Operation: 65*10=650, Resulting Numbers: [650] 650,22 unequal: No Solution Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 65+10=75, Resulting Numbers: [75] 75,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[72, 9, 26], Operations: ['91-65=26'] Exploring Operation: 72-9=63, Resulting Numbers: [26, 63] Generated Node #0,0,0: 22:[26, 63] Operation: 72-9=63 Exploring Operation: 72-26=46, Resulting Numbers: [9, 46] Generated Node #0,0,1: 22:[9, 46] Operation: 72-26=46 Exploring Operation: 72/9=8, Resulting Numbers: [26, 8] Generated Node #0,0,2: 22:[26, 8] Operation: 72/9=8 Moving to Node #0,0,2 Current State: 22:[26, 8], Operations: ['91-65=26', '72/9=8'] Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,22 unequal: No Solution Exploring Operation: 26*8=208, Resulting Numbers: [208] 208,22 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,22 unequal: No Solution Moving to Node #0,0,1 Current State: 22:[9, 46], Operations: ['91-65=26', '72-26=46'] Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 9*46=414, Resulting Numbers: [414] 414,22 unequal: No Solution Moving to Node #0,0,0 Current State: 22:[26, 63], Operations: ['91-65=26', '72-9=63'] Exploring Operation: 26+63=89, Resulting Numbers: [89] 89,22 unequal: No Solution Exploring Operation: 26*63=1638, Resulting Numbers: [1638] 1638,22 unequal: No Solution Exploring Operation: 63-26=37, Resulting Numbers: [37] 37,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 22:[91, 9, 7], Operations: ['72-65=7'] Exploring Operation: 91/7=13, Resulting Numbers: [9, 13] Generated Node #0,2,0: 22:[9, 13] Operation: 91/7=13 Exploring Operation: 91-7=84, Resulting Numbers: [9, 84] Generated Node #0,2,1: 22:[9, 84] Operation: 91-7=84 Exploring Operation: 91-9=82, Resulting Numbers: [7, 82] Generated Node #0,2,2: 22:[7, 82] Operation: 91-9=82 Moving to Node #0,2,0 Current State: 22:[9, 13], Operations: ['72-65=7', '91/7=13'] Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[65, 91, 72, 9], Operations: [] Exploring Operation: 72-65=7, Resulting Numbers: [91, 9, 7] Generated Node #0,2: 22:[91, 9, 7] Operation: 72-65=7 Moving to Node #0,2 Current State: 22:[91, 9, 7], Operations: ['72-65=7'] Exploring Operation: 91/7=13, Resulting Numbers: [9, 13] Generated Node #0,2,0: 22:[9, 13] Operation: 91/7=13 Moving to Node #0,2,0 Current State: 22:[9, 13], Operations: ['72-65=7', '91/7=13'] Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_3
sum_heuristic
[ 75, 5, 85, 81 ]
31
[ "85-75=10", "5*10=50", "81-50=31" ]
Current State: 31:[75, 5, 85, 81], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [5, 81, 10] Generated Node #2: [5, 81, 10] from Operation: 85-75=10 Current State: 31:[5, 81, 10], Operations: ['85-75=10'] Exploring Operation: 5*10=50, Resulting Numbers: [81, 50] Generated Node #3: [81, 50] from Operation: 5*10=50 Current State: 31:[81, 50], Operations: ['85-75=10', '5*10=50'] Exploring Operation: 81-50=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[75, 5, 85, 81], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [5, 81, 10] Generated Node #0,0: 31:[5, 81, 10] Operation: 85-75=10 Exploring Operation: 85-81=4, Resulting Numbers: [75, 5, 4] Generated Node #0,1: 31:[75, 5, 4] Operation: 85-81=4 Exploring Operation: 81-75=6, Resulting Numbers: [5, 85, 6] Generated Node #0,2: 31:[5, 85, 6] Operation: 81-75=6 Moving to Node #0,0 Current State: 31:[5, 81, 10], Operations: ['85-75=10'] Exploring Operation: 81-5=76, Resulting Numbers: [10, 76] Generated Node #0,0,0: 31:[10, 76] Operation: 81-5=76 Exploring Operation: 5+10=15, Resulting Numbers: [81, 15] Generated Node #0,0,1: 31:[81, 15] Operation: 5+10=15 Exploring Operation: 81-10=71, Resulting Numbers: [5, 71] Generated Node #0,0,2: 31:[5, 71] Operation: 81-10=71 Moving to Node #0,1 Current State: 31:[75, 5, 4], Operations: ['85-81=4'] Exploring Operation: 75/5=15, Resulting Numbers: [4, 15] Generated Node #0,1,0: 31:[4, 15] Operation: 75/5=15 Exploring Operation: 5*4=20, Resulting Numbers: [75, 20] Generated Node #0,1,1: 31:[75, 20] Operation: 5*4=20 Exploring Operation: 75-5=70, Resulting Numbers: [4, 70] Generated Node #0,1,2: 31:[4, 70] Operation: 75-5=70 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[4, 15], Operations: ['85-81=4', '75/5=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,31 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,31 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:[75, 20], Operations: ['85-81=4', '5*4=20'] Exploring Operation: 75-20=55, Resulting Numbers: [55] 55,31 unequal: No Solution Exploring Operation: 75*20=1500, Resulting Numbers: [1500] 1500,31 unequal: No Solution Exploring Operation: 75+20=95, Resulting Numbers: [95] 95,31 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:[4, 70], Operations: ['85-81=4', '75-5=70'] Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,31 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,31 unequal: No Solution Exploring Operation: 4*70=280, Resulting Numbers: [280] 280,31 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: 31:[5, 85, 6], Operations: ['81-75=6'] Exploring Operation: 85-5=80, Resulting Numbers: [6, 80] Generated Node #0,2,0: 31:[6, 80] Operation: 85-5=80 Exploring Operation: 85/5=17, Resulting Numbers: [6, 17] Generated Node #0,2,1: 31:[6, 17] Operation: 85/5=17 Exploring Operation: 5*6=30, Resulting Numbers: [85, 30] Generated Node #0,2,2: 31:[85, 30] Operation: 5*6=30 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 31:[6, 17], Operations: ['81-75=6', '85/5=17'] Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,31 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,31 unequal: No Solution Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,31 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 #0,2,2 Current State: 31:[85, 30], Operations: ['81-75=6', '5*6=30'] Exploring Operation: 85*30=2550, Resulting Numbers: [2550] 2550,31 unequal: No Solution Exploring Operation: 85+30=115, Resulting Numbers: [115] 115,31 unequal: No Solution Exploring Operation: 85-30=55, Resulting Numbers: [55] 55,31 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 #0,2,0 Current State: 31:[6, 80], Operations: ['81-75=6', '85-5=80'] Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,31 unequal: No Solution Exploring Operation: 6+80=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 6*80=480, Resulting Numbers: [480] 480,31 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: 31:[10, 76], Operations: ['85-75=10', '81-5=76'] Exploring Operation: 10*76=760, Resulting Numbers: [760] 760,31 unequal: No Solution Exploring Operation: 10+76=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[81, 15], Operations: ['85-75=10', '5+10=15'] Exploring Operation: 81*15=1215, Resulting Numbers: [1215] 1215,31 unequal: No Solution Exploring Operation: 81+15=96, Resulting Numbers: [96] 96,31 unequal: No Solution Exploring Operation: 81-15=66, Resulting Numbers: [66] 66,31 unequal: No Solution Moving to Node #0,0,2 Current State: 31:[5, 71], Operations: ['85-75=10', '81-10=71'] Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,31 unequal: No Solution Exploring Operation: 5*71=355, Resulting Numbers: [355] 355,31 unequal: No Solution Exploring Operation: 5+71=76, Resulting Numbers: [76] 76,31 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 35, 2, 46, 65 ]
61
[ "65-35=30", "30/2=15", "46+15=61" ]
Current State: 61:[35, 2, 46, 65], Operations: [] Exploring Operation: 65-35=30, Resulting Numbers: [2, 46, 30] Generated Node #2: [2, 46, 30] from Operation: 65-35=30 Current State: 61:[2, 46, 30], Operations: ['65-35=30'] Exploring Operation: 30/2=15, Resulting Numbers: [46, 15] Generated Node #3: [46, 15] from Operation: 30/2=15 Current State: 61:[46, 15], Operations: ['65-35=30', '30/2=15'] Exploring Operation: 46+15=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[35, 2, 46, 65], Operations: [] Exploring Operation: 35+2=37, Resulting Numbers: [46, 65, 37] Generated Node #0,0: 61:[46, 65, 37] Operation: 35+2=37 Exploring Operation: 35*2=70, Resulting Numbers: [46, 65, 70] Generated Node #0,1: 61:[46, 65, 70] Operation: 35*2=70 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[46, 65, 70], Operations: ['35*2=70'] Exploring Operation: 65-46=19, Resulting Numbers: [70, 19] Generated Node #0,1,0: 61:[70, 19] Operation: 65-46=19 Exploring Operation: 70-46=24, Resulting Numbers: [65, 24] Generated Node #0,1,1: 61:[65, 24] Operation: 70-46=24 Moving to Node #0,1,1 Current State: 61:[65, 24], Operations: ['35*2=70', '70-46=24'] Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,61 unequal: No Solution Exploring Operation: 65+24=89, Resulting Numbers: [89] 89,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[70, 19], Operations: ['35*2=70', '65-46=19'] Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,61 unequal: No Solution Exploring Operation: 70+19=89, Resulting Numbers: [89] 89,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[46, 65, 37], Operations: ['35+2=37'] Exploring Operation: 46+37=83, Resulting Numbers: [65, 83] Generated Node #0,0,0: 61:[65, 83] Operation: 46+37=83 Exploring Operation: 65-37=28, Resulting Numbers: [46, 28] Generated Node #0,0,1: 61:[46, 28] Operation: 65-37=28 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[65, 83], Operations: ['35+2=37', '46+37=83'] Exploring Operation: 65+83=148, Resulting Numbers: [148] 148,61 unequal: No Solution Exploring Operation: 83-65=18, Resulting Numbers: [18] 18,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 61:[46, 28], Operations: ['35+2=37', '65-37=28'] Exploring Operation: 46+28=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 62, 23, 10, 32 ]
43
[ "62+23=85", "10+32=42", "85-42=43" ]
Current State: 43:[62, 23, 10, 32], Operations: [] Exploring Operation: 62+23=85, Resulting Numbers: [10, 32, 85] Generated Node #2: [10, 32, 85] from Operation: 62+23=85 Current State: 43:[10, 32, 85], Operations: ['62+23=85'] Exploring Operation: 10+32=42, Resulting Numbers: [85, 42] Generated Node #3: [85, 42] from Operation: 10+32=42 Current State: 43:[85, 42], Operations: ['62+23=85', '10+32=42'] Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[62, 23, 10, 32], Operations: [] Exploring Operation: 62-23=39, Resulting Numbers: [10, 32, 39] Generated Node #0,0: 43:[10, 32, 39] Operation: 62-23=39 Exploring Operation: 10+32=42, Resulting Numbers: [62, 23, 42] Generated Node #0,1: 43:[62, 23, 42] Operation: 10+32=42 Exploring Operation: 62-10=52, Resulting Numbers: [23, 32, 52] Generated Node #0,2: 43:[23, 32, 52] Operation: 62-10=52 Exploring Operation: 23+10=33, Resulting Numbers: [62, 32, 33] Generated Node #0,3: 43:[62, 32, 33] Operation: 23+10=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[62, 23, 42], Operations: ['10+32=42'] Exploring Operation: 62-23=39, Resulting Numbers: [42, 39] Generated Node #0,1,0: 43:[42, 39] Operation: 62-23=39 Exploring Operation: 62-42=20, Resulting Numbers: [23, 20] Generated Node #0,1,1: 43:[23, 20] Operation: 62-42=20 Exploring Operation: 23+42=65, Resulting Numbers: [62, 65] Generated Node #0,1,2: 43:[62, 65] Operation: 23+42=65 Exploring Operation: 62+23=85, Resulting Numbers: [42, 85] Generated Node #0,1,3: 43:[42, 85] Operation: 62+23=85 Moving to Node #0,1,0 Current State: 43:[42, 39], Operations: ['10+32=42', '62-23=39'] Exploring Operation: 42*39=1638, Resulting Numbers: [1638] 1638,43 unequal: No Solution Exploring Operation: 42+39=81, Resulting Numbers: [81] 81,43 unequal: No Solution Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[62, 65], Operations: ['10+32=42', '23+42=65'] Exploring Operation: 65-62=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 62+65=127, Resulting Numbers: [127] 127,43 unequal: No Solution Exploring Operation: 62*65=4030, Resulting Numbers: [4030] 4030,43 unequal: No Solution Moving to Node #0,1,3 Current State: 43:[42, 85], Operations: ['10+32=42', '62+23=85'] Exploring Operation: 42+85=127, Resulting Numbers: [127] 127,43 unequal: No Solution Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[62, 23, 10, 32], Operations: [] Exploring Operation: 10+32=42, Resulting Numbers: [62, 23, 42] Generated Node #0,1: 43:[62, 23, 42] Operation: 10+32=42 Moving to Node #0,1 Current State: 43:[62, 23, 42], Operations: ['10+32=42'] Exploring Operation: 62+23=85, Resulting Numbers: [42, 85] Generated Node #0,1,3: 43:[42, 85] Operation: 62+23=85 Moving to Node #0,1,3 Current State: 43:[42, 85], Operations: ['10+32=42', '62+23=85'] Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 12, 6, 30, 47 ]
75
[ "12/6=2", "30+47=77", "77-2=75" ]
Current State: 75:[12, 6, 30, 47], Operations: [] Exploring Operation: 12/6=2, Resulting Numbers: [30, 47, 2] Generated Node #2: [30, 47, 2] from Operation: 12/6=2 Current State: 75:[30, 47, 2], Operations: ['12/6=2'] Exploring Operation: 30+47=77, Resulting Numbers: [2, 77] Generated Node #3: [2, 77] from Operation: 30+47=77 Current State: 75:[2, 77], Operations: ['12/6=2', '30+47=77'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[12, 6, 30, 47], Operations: [] Exploring Operation: 47-30=17, Resulting Numbers: [12, 6, 17] Generated Node #0,0: 75:[12, 6, 17] Operation: 47-30=17 Exploring Operation: 30+47=77, Resulting Numbers: [12, 6, 77] Generated Node #0,1: 75:[12, 6, 77] Operation: 30+47=77 Moving to Node #0,0 Current State: 75:[12, 6, 17], Operations: ['47-30=17'] Exploring Operation: 12-6=6, Resulting Numbers: [17, 6] Generated Node #0,0,0: 75:[17, 6] Operation: 12-6=6 Exploring Operation: 17-12=5, Resulting Numbers: [6, 5] Generated Node #0,0,1: 75:[6, 5] Operation: 17-12=5 Moving to Node #0,1 Current State: 75:[12, 6, 77], Operations: ['30+47=77'] Exploring Operation: 12-6=6, Resulting Numbers: [77, 6] Generated Node #0,1,0: 75:[77, 6] Operation: 12-6=6 Exploring Operation: 12/6=2, Resulting Numbers: [77, 2] Generated Node #0,1,1: 75:[77, 2] Operation: 12/6=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[77, 6], Operations: ['30+47=77', '12-6=6'] Exploring Operation: 77-6=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 77+6=83, Resulting Numbers: [83] 83,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[77, 2], Operations: ['30+47=77', '12/6=2'] Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,75 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[12, 6, 30, 47], Operations: [] Exploring Operation: 30+47=77, Resulting Numbers: [12, 6, 77] Generated Node #0,1: 75:[12, 6, 77] Operation: 30+47=77 Moving to Node #0,1 Current State: 75:[12, 6, 77], Operations: ['30+47=77'] Exploring Operation: 12/6=2, Resulting Numbers: [77, 2] Generated Node #0,1,1: 75:[77, 2] Operation: 12/6=2 Moving to Node #0,1,1 Current State: 75:[77, 2], Operations: ['30+47=77', '12/6=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_2
sum_heuristic
[ 4, 93, 34, 16 ]
59
[ "4*34=136", "93-16=77", "136-77=59" ]
Current State: 59:[4, 93, 34, 16], Operations: [] Exploring Operation: 4*34=136, Resulting Numbers: [93, 16, 136] Generated Node #2: [93, 16, 136] from Operation: 4*34=136 Current State: 59:[93, 16, 136], Operations: ['4*34=136'] Exploring Operation: 93-16=77, Resulting Numbers: [136, 77] Generated Node #3: [136, 77] from Operation: 93-16=77 Current State: 59:[136, 77], Operations: ['4*34=136', '93-16=77'] Exploring Operation: 136-77=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[4, 93, 34, 16], Operations: [] Exploring Operation: 93-4=89, Resulting Numbers: [34, 16, 89] Generated Node #0,0: 59:[34, 16, 89] Operation: 93-4=89 Exploring Operation: 4+34=38, Resulting Numbers: [93, 16, 38] Generated Node #0,1: 59:[93, 16, 38] Operation: 4+34=38 Exploring Operation: 4*16=64, Resulting Numbers: [93, 34, 64] Generated Node #0,2: 59:[93, 34, 64] Operation: 4*16=64 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[93, 34, 64], Operations: ['4*16=64'] Exploring Operation: 64-34=30, Resulting Numbers: [93, 30] Generated Node #0,2,0: 59:[93, 30] Operation: 64-34=30 Exploring Operation: 93-64=29, Resulting Numbers: [34, 29] Generated Node #0,2,1: 59:[34, 29] Operation: 93-64=29 Exploring Operation: 93-34=59, Resulting Numbers: [64, 59] Generated Node #0,2,2: 59:[64, 59] Operation: 93-34=59 Moving to Node #0,2,2 Current State: 59:[64, 59], Operations: ['4*16=64', '93-34=59'] Exploring Operation: 64*59=3776, Resulting Numbers: [3776] 3776,59 unequal: No Solution Exploring Operation: 64-59=5, Resulting Numbers: [5] 5,59 unequal: No Solution Exploring Operation: 64+59=123, Resulting Numbers: [123] 123,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[34, 29], Operations: ['4*16=64', '93-64=29'] Exploring Operation: 34*29=986, Resulting Numbers: [986] 986,59 unequal: No Solution Exploring Operation: 34+29=63, Resulting Numbers: [63] 63,59 unequal: No Solution Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[93, 30], Operations: ['4*16=64', '64-34=30'] Exploring Operation: 93+30=123, Resulting Numbers: [123] 123,59 unequal: No Solution Exploring Operation: 93-30=63, Resulting Numbers: [63] 63,59 unequal: No Solution Exploring Operation: 93*30=2790, Resulting Numbers: [2790] 2790,59 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 Current State: 59:[34, 16, 89], Operations: ['93-4=89'] Exploring Operation: 89-16=73, Resulting Numbers: [34, 73] Generated Node #0,0,0: 59:[34, 73] Operation: 89-16=73 Exploring Operation: 89-34=55, Resulting Numbers: [16, 55] Generated Node #0,0,1: 59:[16, 55] Operation: 89-34=55 Exploring Operation: 34+16=50, Resulting Numbers: [89, 50] Generated Node #0,0,2: 59:[89, 50] Operation: 34+16=50 Moving to Node #0,0,0 Current State: 59:[34, 73], Operations: ['93-4=89', '89-16=73'] Exploring Operation: 73-34=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 34+73=107, Resulting Numbers: [107] 107,59 unequal: No Solution Exploring Operation: 34*73=2482, Resulting Numbers: [2482] 2482,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[89, 50], Operations: ['93-4=89', '34+16=50'] Exploring Operation: 89+50=139, Resulting Numbers: [139] 139,59 unequal: No Solution Exploring Operation: 89-50=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 89*50=4450, Resulting Numbers: [4450] 4450,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[16, 55], Operations: ['93-4=89', '89-34=55'] Exploring Operation: 16+55=71, Resulting Numbers: [71] 71,59 unequal: No Solution Exploring Operation: 16*55=880, Resulting Numbers: [880] 880,59 unequal: No Solution Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[93, 16, 38], Operations: ['4+34=38'] Exploring Operation: 16+38=54, Resulting Numbers: [93, 54] Generated Node #0,1,0: 59:[93, 54] Operation: 16+38=54 Exploring Operation: 93-16=77, Resulting Numbers: [38, 77] Generated Node #0,1,1: 59:[38, 77] Operation: 93-16=77 Exploring Operation: 93-38=55, Resulting Numbers: [16, 55] Generated Node #0,1,2: 59:[16, 55] Operation: 93-38=55 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[93, 54], Operations: ['4+34=38', '16+38=54'] Exploring Operation: 93+54=147, Resulting Numbers: [147] 147,59 unequal: No Solution Exploring Operation: 93-54=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 93*54=5022, Resulting Numbers: [5022] 5022,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 59:[38, 77], Operations: ['4+34=38', '93-16=77'] Exploring Operation: 38+77=115, Resulting Numbers: [115] 115,59 unequal: No Solution Exploring Operation: 38*77=2926, Resulting Numbers: [2926] 2926,59 unequal: No Solution Exploring Operation: 77-38=39, Resulting Numbers: [39] 39,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 59:[16, 55], Operations: ['4+34=38', '93-38=55'] Exploring Operation: 16+55=71, Resulting Numbers: [71] 71,59 unequal: No Solution Exploring Operation: 16*55=880, Resulting Numbers: [880] 880,59 unequal: No Solution Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 63, 43, 17, 27 ]
81
[ "63-43=20", "20-17=3", "27*3=81" ]
Current State: 81:[63, 43, 17, 27], Operations: [] Exploring Operation: 63-43=20, Resulting Numbers: [17, 27, 20] Generated Node #2: [17, 27, 20] from Operation: 63-43=20 Current State: 81:[17, 27, 20], Operations: ['63-43=20'] Exploring Operation: 20-17=3, Resulting Numbers: [27, 3] Generated Node #3: [27, 3] from Operation: 20-17=3 Current State: 81:[27, 3], Operations: ['63-43=20', '20-17=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[63, 43, 17, 27], Operations: [] Exploring Operation: 63+27=90, Resulting Numbers: [43, 17, 90] Generated Node #0,0: 81:[43, 17, 90] Operation: 63+27=90 Exploring Operation: 63+17=80, Resulting Numbers: [43, 27, 80] Generated Node #0,1: 81:[43, 27, 80] Operation: 63+17=80 Exploring Operation: 63+43=106, Resulting Numbers: [17, 27, 106] Generated Node #0,2: 81:[17, 27, 106] Operation: 63+43=106 Exploring Operation: 63-43=20, Resulting Numbers: [17, 27, 20] Generated Node #0,3: 81:[17, 27, 20] Operation: 63-43=20 Exploring Operation: 43-17=26, Resulting Numbers: [63, 27, 26] Generated Node #0,4: 81:[63, 27, 26] Operation: 43-17=26 Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[17, 27, 20], Operations: ['63-43=20'] Exploring Operation: 17+20=37, Resulting Numbers: [27, 37] Generated Node #0,3,0: 81:[27, 37] Operation: 17+20=37 Exploring Operation: 27-17=10, Resulting Numbers: [20, 10] Generated Node #0,3,1: 81:[20, 10] Operation: 27-17=10 Exploring Operation: 27-20=7, Resulting Numbers: [17, 7] Generated Node #0,3,2: 81:[17, 7] Operation: 27-20=7 Exploring Operation: 20-17=3, Resulting Numbers: [27, 3] Generated Node #0,3,3: 81:[27, 3] Operation: 20-17=3 Exploring Operation: 17+27=44, Resulting Numbers: [20, 44] Generated Node #0,3,4: 81:[20, 44] Operation: 17+27=44 Moving to Node #0,3,3 Current State: 81:[27, 3], Operations: ['63-43=20', '20-17=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,81 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[63, 43, 17, 27], Operations: [] Exploring Operation: 63-43=20, Resulting Numbers: [17, 27, 20] Generated Node #0,3: 81:[17, 27, 20] Operation: 63-43=20 Moving to Node #0,3 Current State: 81:[17, 27, 20], Operations: ['63-43=20'] Exploring Operation: 20-17=3, Resulting Numbers: [27, 3] Generated Node #0,3,3: 81:[27, 3] Operation: 20-17=3 Moving to Node #0,3,3 Current State: 81:[27, 3], Operations: ['63-43=20', '20-17=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 23, 50, 34, 39 ]
46
[ "50-23=27", "34+39=73", "73-27=46" ]
Current State: 46:[23, 50, 34, 39], Operations: [] Exploring Operation: 50-23=27, Resulting Numbers: [34, 39, 27] Generated Node #2: [34, 39, 27] from Operation: 50-23=27 Current State: 46:[34, 39, 27], Operations: ['50-23=27'] Exploring Operation: 34+39=73, Resulting Numbers: [27, 73] Generated Node #3: [27, 73] from Operation: 34+39=73 Current State: 46:[27, 73], Operations: ['50-23=27', '34+39=73'] Exploring Operation: 73-27=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[23, 50, 34, 39], Operations: [] Exploring Operation: 39-34=5, Resulting Numbers: [23, 50, 5] Generated Node #0,0: 46:[23, 50, 5] Operation: 39-34=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[23, 50, 5], Operations: ['39-34=5'] Exploring Operation: 50-5=45, Resulting Numbers: [23, 45] Generated Node #0,0,0: 46:[23, 45] Operation: 50-5=45 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[23, 45], Operations: ['39-34=5', '50-5=45'] Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,46 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_1
sum_heuristic
[ 37, 82, 62, 86 ]
95
[ "37+82=119", "86-62=24", "119-24=95" ]
Current State: 95:[37, 82, 62, 86], Operations: [] Exploring Operation: 37+82=119, Resulting Numbers: [62, 86, 119] Generated Node #2: [62, 86, 119] from Operation: 37+82=119 Current State: 95:[62, 86, 119], Operations: ['37+82=119'] Exploring Operation: 86-62=24, Resulting Numbers: [119, 24] Generated Node #3: [119, 24] from Operation: 86-62=24 Current State: 95:[119, 24], Operations: ['37+82=119', '86-62=24'] Exploring Operation: 119-24=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[37, 82, 62, 86], Operations: [] Exploring Operation: 37+62=99, Resulting Numbers: [82, 86, 99] Generated Node #0,0: 95:[82, 86, 99] Operation: 37+62=99 Exploring Operation: 62-37=25, Resulting Numbers: [82, 86, 25] Generated Node #0,1: 95:[82, 86, 25] Operation: 62-37=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[82, 86, 99], Operations: ['37+62=99'] Exploring Operation: 99-82=17, Resulting Numbers: [86, 17] Generated Node #0,0,0: 95:[86, 17] Operation: 99-82=17 Exploring Operation: 86-82=4, Resulting Numbers: [99, 4] Generated Node #0,0,1: 95:[99, 4] Operation: 86-82=4 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[99, 4], Operations: ['37+62=99', '86-82=4'] Exploring Operation: 99+4=103, Resulting Numbers: [103] 103,95 unequal: No Solution Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[37, 82, 62, 86], Operations: [] Exploring Operation: 37+62=99, Resulting Numbers: [82, 86, 99] Generated Node #0,0: 95:[82, 86, 99] Operation: 37+62=99 Moving to Node #0,0 Current State: 95:[82, 86, 99], Operations: ['37+62=99'] Exploring Operation: 86-82=4, Resulting Numbers: [99, 4] Generated Node #0,0,1: 95:[99, 4] Operation: 86-82=4 Moving to Node #0,0,1 Current State: 95:[99, 4], Operations: ['37+62=99', '86-82=4'] Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 41, 24, 75, 93 ]
48
[ "75+93=168", "168/24=7", "41+7=48" ]
Current State: 48:[41, 24, 75, 93], Operations: [] Exploring Operation: 75+93=168, Resulting Numbers: [41, 24, 168] Generated Node #2: [41, 24, 168] from Operation: 75+93=168 Current State: 48:[41, 24, 168], Operations: ['75+93=168'] Exploring Operation: 168/24=7, Resulting Numbers: [41, 7] Generated Node #3: [41, 7] from Operation: 168/24=7 Current State: 48:[41, 7], Operations: ['75+93=168', '168/24=7'] Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[41, 24, 75, 93], Operations: [] Exploring Operation: 93-75=18, Resulting Numbers: [41, 24, 18] Generated Node #0,0: 48:[41, 24, 18] Operation: 93-75=18 Exploring Operation: 93-41=52, Resulting Numbers: [24, 75, 52] Generated Node #0,1: 48:[24, 75, 52] Operation: 93-41=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[41, 24, 18], Operations: ['93-75=18'] Exploring Operation: 41-24=17, Resulting Numbers: [18, 17] Generated Node #0,0,0: 48:[18, 17] Operation: 41-24=17 Exploring Operation: 41-18=23, Resulting Numbers: [24, 23] Generated Node #0,0,1: 48:[24, 23] Operation: 41-18=23 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[24, 23], Operations: ['93-75=18', '41-18=23'] Exploring Operation: 24+23=47, Resulting Numbers: [47] 47,48 unequal: No Solution Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[18, 17], Operations: ['93-75=18', '41-24=17'] Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 18+17=35, Resulting Numbers: [35] 35,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[24, 75, 52], Operations: ['93-41=52'] Exploring Operation: 75-24=51, Resulting Numbers: [52, 51] Generated Node #0,1,0: 48:[52, 51] Operation: 75-24=51 Exploring Operation: 75-52=23, Resulting Numbers: [24, 23] Generated Node #0,1,1: 48:[24, 23] Operation: 75-52=23 Moving to Node #0,1,1 Current State: 48:[24, 23], Operations: ['93-41=52', '75-52=23'] Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 24+23=47, Resulting Numbers: [47] 47,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[52, 51], Operations: ['93-41=52', '75-24=51'] Exploring Operation: 52-51=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 52+51=103, Resulting Numbers: [103] 103,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 45, 50, 36, 38 ]
97
[ "45+50=95", "38-36=2", "95+2=97" ]
Current State: 97:[45, 50, 36, 38], Operations: [] Exploring Operation: 45+50=95, Resulting Numbers: [36, 38, 95] Generated Node #2: [36, 38, 95] from Operation: 45+50=95 Current State: 97:[36, 38, 95], Operations: ['45+50=95'] Exploring Operation: 38-36=2, Resulting Numbers: [95, 2] Generated Node #3: [95, 2] from Operation: 38-36=2 Current State: 97:[95, 2], Operations: ['45+50=95', '38-36=2'] Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[45, 50, 36, 38], Operations: [] Exploring Operation: 45+36=81, Resulting Numbers: [50, 38, 81] Generated Node #0,0: 97:[50, 38, 81] Operation: 45+36=81 Exploring Operation: 45+38=83, Resulting Numbers: [50, 36, 83] Generated Node #0,1: 97:[50, 36, 83] Operation: 45+38=83 Exploring Operation: 45+50=95, Resulting Numbers: [36, 38, 95] Generated Node #0,2: 97:[36, 38, 95] Operation: 45+50=95 Exploring Operation: 50+36=86, Resulting Numbers: [45, 38, 86] Generated Node #0,3: 97:[45, 38, 86] Operation: 50+36=86 Exploring Operation: 50+38=88, Resulting Numbers: [45, 36, 88] Generated Node #0,4: 97:[45, 36, 88] Operation: 50+38=88 Moving to Node #0,0 Current State: 97:[50, 38, 81], Operations: ['45+36=81'] Exploring Operation: 50+38=88, Resulting Numbers: [81, 88] Generated Node #0,0,0: 97:[81, 88] Operation: 50+38=88 Exploring Operation: 50-38=12, Resulting Numbers: [81, 12] Generated Node #0,0,1: 97:[81, 12] Operation: 50-38=12 Exploring Operation: 50+81=131, Resulting Numbers: [38, 131] Generated Node #0,0,2: 97:[38, 131] Operation: 50+81=131 Exploring Operation: 38+81=119, Resulting Numbers: [50, 119] Generated Node #0,0,3: 97:[50, 119] Operation: 38+81=119 Exploring Operation: 81-38=43, Resulting Numbers: [50, 43] Generated Node #0,0,4: 97:[50, 43] Operation: 81-38=43 Moving to Node #0,2 Current State: 97:[36, 38, 95], Operations: ['45+50=95'] Exploring Operation: 38-36=2, Resulting Numbers: [95, 2] Generated Node #0,2,0: 97:[95, 2] Operation: 38-36=2 Exploring Operation: 36+38=74, Resulting Numbers: [95, 74] Generated Node #0,2,1: 97:[95, 74] Operation: 36+38=74 Exploring Operation: 95-36=59, Resulting Numbers: [38, 59] Generated Node #0,2,2: 97:[38, 59] Operation: 95-36=59 Exploring Operation: 38+95=133, Resulting Numbers: [36, 133] Generated Node #0,2,3: 97:[36, 133] Operation: 38+95=133 Exploring Operation: 36+95=131, Resulting Numbers: [38, 131] Generated Node #0,2,4: 97:[38, 131] Operation: 36+95=131 Moving to Node #0,4 Current State: 97:[45, 36, 88], Operations: ['50+38=88'] Exploring Operation: 88-36=52, Resulting Numbers: [45, 52] Generated Node #0,4,0: 97:[45, 52] Operation: 88-36=52 Exploring Operation: 36+88=124, Resulting Numbers: [45, 124] Generated Node #0,4,1: 97:[45, 124] Operation: 36+88=124 Exploring Operation: 45+88=133, Resulting Numbers: [36, 133] Generated Node #0,4,2: 97:[36, 133] Operation: 45+88=133 Exploring Operation: 45+36=81, Resulting Numbers: [88, 81] Generated Node #0,4,3: 97:[88, 81] Operation: 45+36=81 Exploring Operation: 45-36=9, Resulting Numbers: [88, 9] Generated Node #0,4,4: 97:[88, 9] Operation: 45-36=9 Moving to Node #0,1 Current State: 97:[50, 36, 83], Operations: ['45+38=83'] Exploring Operation: 50+36=86, Resulting Numbers: [83, 86] Generated Node #0,1,0: 97:[83, 86] Operation: 50+36=86 Exploring Operation: 83-36=47, Resulting Numbers: [50, 47] Generated Node #0,1,1: 97:[50, 47] Operation: 83-36=47 Exploring Operation: 50-36=14, Resulting Numbers: [83, 14] Generated Node #0,1,2: 97:[83, 14] Operation: 50-36=14 Exploring Operation: 50+83=133, Resulting Numbers: [36, 133] Generated Node #0,1,3: 97:[36, 133] Operation: 50+83=133 Exploring Operation: 36+83=119, Resulting Numbers: [50, 119] Generated Node #0,1,4: 97:[50, 119] Operation: 36+83=119 Moving to Node #0,3 Current State: 97:[45, 38, 86], Operations: ['50+36=86'] Exploring Operation: 45+38=83, Resulting Numbers: [86, 83] Generated Node #0,3,0: 97:[86, 83] Operation: 45+38=83 Exploring Operation: 86-38=48, Resulting Numbers: [45, 48] Generated Node #0,3,1: 97:[45, 48] Operation: 86-38=48 Exploring Operation: 38+86=124, Resulting Numbers: [45, 124] Generated Node #0,3,2: 97:[45, 124] Operation: 38+86=124 Exploring Operation: 45-38=7, Resulting Numbers: [86, 7] Generated Node #0,3,3: 97:[86, 7] Operation: 45-38=7 Exploring Operation: 45+86=131, Resulting Numbers: [38, 131] Generated Node #0,3,4: 97:[38, 131] Operation: 45+86=131 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[86, 83], Operations: ['50+36=86', '45+38=83'] Exploring Operation: 86*83=7138, Resulting Numbers: [7138] 7138,97 unequal: No Solution Exploring Operation: 86+83=169, Resulting Numbers: [169] 169,97 unequal: No Solution Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,97 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 #0,3,2 Current State: 97:[45, 124], Operations: ['50+36=86', '38+86=124'] Exploring Operation: 124-45=79, Resulting Numbers: [79] 79,97 unequal: No Solution Exploring Operation: 45+124=169, Resulting Numbers: [169] 169,97 unequal: No Solution Exploring Operation: 45*124=5580, Resulting Numbers: [5580] 5580,97 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 #0,3,4 Current State: 97:[38, 131], Operations: ['50+36=86', '45+86=131'] Exploring Operation: 131-38=93, Resulting Numbers: [93] 93,97 unequal: No Solution Exploring Operation: 38*131=4978, Resulting Numbers: [4978] 4978,97 unequal: No Solution Exploring Operation: 38+131=169, Resulting Numbers: [169] 169,97 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 #0,3,1 Current State: 97:[45, 48], Operations: ['50+36=86', '86-38=48'] Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 45+48=93, Resulting Numbers: [93] 93,97 unequal: No Solution Exploring Operation: 45*48=2160, Resulting Numbers: [2160] 2160,97 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 #0,3,3 Current State: 97:[86, 7], Operations: ['50+36=86', '45-38=7'] Exploring Operation: 86*7=602, Resulting Numbers: [602] 602,97 unequal: No Solution Exploring Operation: 86+7=93, Resulting Numbers: [93] 93,97 unequal: No Solution Exploring Operation: 86-7=79, Resulting Numbers: [79] 79,97 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: 97:[81, 88], Operations: ['45+36=81', '50+38=88'] Exploring Operation: 81+88=169, Resulting Numbers: [169] 169,97 unequal: No Solution Exploring Operation: 81*88=7128, Resulting Numbers: [7128] 7128,97 unequal: No Solution Exploring Operation: 88-81=7, Resulting Numbers: [7] 7,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[95, 74], Operations: ['45+50=95', '36+38=74'] Exploring Operation: 95-74=21, Resulting Numbers: [21] 21,97 unequal: No Solution Exploring Operation: 95+74=169, Resulting Numbers: [169] 169,97 unequal: No Solution Exploring Operation: 95*74=7030, Resulting Numbers: [7030] 7030,97 unequal: No Solution Moving to Node #0,4,3 Current State: 97:[88, 81], Operations: ['50+38=88', '45+36=81'] Exploring Operation: 88*81=7128, Resulting Numbers: [7128] 7128,97 unequal: No Solution Exploring Operation: 88+81=169, Resulting Numbers: [169] 169,97 unequal: No Solution Exploring Operation: 88-81=7, Resulting Numbers: [7] 7,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[83, 86], Operations: ['45+38=83', '50+36=86'] Exploring Operation: 83*86=7138, Resulting Numbers: [7138] 7138,97 unequal: No Solution Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 83+86=169, Resulting Numbers: [169] 169,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[50, 119], Operations: ['45+36=81', '38+81=119'] Exploring Operation: 50*119=5950, Resulting Numbers: [5950] 5950,97 unequal: No Solution Exploring Operation: 119-50=69, Resulting Numbers: [69] 69,97 unequal: No Solution Exploring Operation: 50+119=169, Resulting Numbers: [169] 169,97 unequal: No Solution Moving to Node #0,1,4 Current State: 97:[50, 119], Operations: ['45+38=83', '36+83=119'] Exploring Operation: 50+119=169, Resulting Numbers: [169] 169,97 unequal: No Solution Exploring Operation: 50*119=5950, Resulting Numbers: [5950] 5950,97 unequal: No Solution Exploring Operation: 119-50=69, Resulting Numbers: [69] 69,97 unequal: No Solution Moving to Node #0,4,1 Current State: 97:[45, 124], Operations: ['50+38=88', '36+88=124'] Exploring Operation: 124-45=79, Resulting Numbers: [79] 79,97 unequal: No Solution Exploring Operation: 45+124=169, Resulting Numbers: [169] 169,97 unequal: No Solution Exploring Operation: 45*124=5580, Resulting Numbers: [5580] 5580,97 unequal: No Solution Moving to Node #0,2,4 Current State: 97:[38, 131], Operations: ['45+50=95', '36+95=131'] Exploring Operation: 38+131=169, Resulting Numbers: [169] 169,97 unequal: No Solution Exploring Operation: 131-38=93, Resulting Numbers: [93] 93,97 unequal: No Solution Exploring Operation: 38*131=4978, Resulting Numbers: [4978] 4978,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[38, 131], Operations: ['45+36=81', '50+81=131'] Exploring Operation: 38+131=169, Resulting Numbers: [169] 169,97 unequal: No Solution Exploring Operation: 131-38=93, Resulting Numbers: [93] 93,97 unequal: No Solution Exploring Operation: 38*131=4978, Resulting Numbers: [4978] 4978,97 unequal: No Solution Moving to Node #0,4,2 Current State: 97:[36, 133], Operations: ['50+38=88', '45+88=133'] Exploring Operation: 36*133=4788, Resulting Numbers: [4788] 4788,97 unequal: No Solution Exploring Operation: 133-36=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[45, 50, 36, 38], Operations: [] Exploring Operation: 50+38=88, Resulting Numbers: [45, 36, 88] Generated Node #0,4: 97:[45, 36, 88] Operation: 50+38=88 Moving to Node #0,4 Current State: 97:[45, 36, 88], Operations: ['50+38=88'] Exploring Operation: 45+88=133, Resulting Numbers: [36, 133] Generated Node #0,4,2: 97:[36, 133] Operation: 45+88=133 Moving to Node #0,4,2 Current State: 97:[36, 133], Operations: ['50+38=88', '45+88=133'] Exploring Operation: 133-36=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
0.932292
hs_5
sum_heuristic
[ 10, 28, 54, 6 ]
78
[ "28-10=18", "54+6=60", "18+60=78" ]
Current State: 78:[10, 28, 54, 6], Operations: [] Exploring Operation: 28-10=18, Resulting Numbers: [54, 6, 18] Generated Node #2: [54, 6, 18] from Operation: 28-10=18 Current State: 78:[54, 6, 18], Operations: ['28-10=18'] Exploring Operation: 54+6=60, Resulting Numbers: [18, 60] Generated Node #3: [18, 60] from Operation: 54+6=60 Current State: 78:[18, 60], Operations: ['28-10=18', '54+6=60'] Exploring Operation: 18+60=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[10, 28, 54, 6], Operations: [] Exploring Operation: 54-28=26, Resulting Numbers: [10, 6, 26] Generated Node #0,0: 78:[10, 6, 26] Operation: 54-28=26 Exploring Operation: 54-10=44, Resulting Numbers: [28, 6, 44] Generated Node #0,1: 78:[28, 6, 44] Operation: 54-10=44 Exploring Operation: 28+54=82, Resulting Numbers: [10, 6, 82] Generated Node #0,2: 78:[10, 6, 82] Operation: 28+54=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[10, 6, 26], Operations: ['54-28=26'] Exploring Operation: 10-6=4, Resulting Numbers: [26, 4] Generated Node #0,0,0: 78:[26, 4] Operation: 10-6=4 Exploring Operation: 10+6=16, Resulting Numbers: [26, 16] Generated Node #0,0,1: 78:[26, 16] Operation: 10+6=16 Exploring Operation: 10+26=36, Resulting Numbers: [6, 36] Generated Node #0,0,2: 78:[6, 36] Operation: 10+26=36 Moving to Node #0,0,0 Current State: 78:[26, 4], Operations: ['54-28=26', '10-6=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,78 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,78 unequal: No Solution Exploring Operation: 26*4=104, Resulting Numbers: [104] 104,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[26, 16], Operations: ['54-28=26', '10+6=16'] Exploring Operation: 26*16=416, Resulting Numbers: [416] 416,78 unequal: No Solution Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,78 unequal: No Solution Exploring Operation: 26+16=42, Resulting Numbers: [42] 42,78 unequal: No Solution Moving to Node #0,0,2 Current State: 78:[6, 36], Operations: ['54-28=26', '10+26=36'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 6+36=42, Resulting Numbers: [42] 42,78 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[28, 6, 44], Operations: ['54-10=44'] Exploring Operation: 44-6=38, Resulting Numbers: [28, 38] Generated Node #0,1,0: 78:[28, 38] Operation: 44-6=38 Exploring Operation: 44-28=16, Resulting Numbers: [6, 16] Generated Node #0,1,1: 78:[6, 16] Operation: 44-28=16 Exploring Operation: 28+44=72, Resulting Numbers: [6, 72] Generated Node #0,1,2: 78:[6, 72] Operation: 28+44=72 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 78:[28, 38], Operations: ['54-10=44', '44-6=38'] Exploring Operation: 28*38=1064, Resulting Numbers: [1064] 1064,78 unequal: No Solution Exploring Operation: 28+38=66, Resulting Numbers: [66] 66,78 unequal: No Solution Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,78 unequal: No Solution No 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: 78:[6, 16], Operations: ['54-10=44', '44-28=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,78 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,78 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,78 unequal: No Solution No 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: 78:[6, 72], Operations: ['54-10=44', '28+44=72'] Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,78 unequal: No Solution Exploring Operation: 6+72=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[10, 28, 54, 6], Operations: [] Exploring Operation: 54-10=44, Resulting Numbers: [28, 6, 44] Generated Node #0,1: 78:[28, 6, 44] Operation: 54-10=44 Moving to Node #0,1 Current State: 78:[28, 6, 44], Operations: ['54-10=44'] Exploring Operation: 28+44=72, Resulting Numbers: [6, 72] Generated Node #0,1,2: 78:[6, 72] Operation: 28+44=72 Moving to Node #0,1,2 Current State: 78:[6, 72], Operations: ['54-10=44', '28+44=72'] Exploring Operation: 6+72=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_3
sum_heuristic
[ 86, 11, 2, 66 ]
65
[ "86+66=152", "152/2=76", "76-11=65" ]
Current State: 65:[86, 11, 2, 66], Operations: [] Exploring Operation: 86+66=152, Resulting Numbers: [11, 2, 152] Generated Node #2: [11, 2, 152] from Operation: 86+66=152 Current State: 65:[11, 2, 152], Operations: ['86+66=152'] Exploring Operation: 152/2=76, Resulting Numbers: [11, 76] Generated Node #3: [11, 76] from Operation: 152/2=76 Current State: 65:[11, 76], Operations: ['86+66=152', '152/2=76'] Exploring Operation: 76-11=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[86, 11, 2, 66], Operations: [] Exploring Operation: 86-66=20, Resulting Numbers: [11, 2, 20] Generated Node #0,0: 65:[11, 2, 20] Operation: 86-66=20 Exploring Operation: 86-11=75, Resulting Numbers: [2, 66, 75] Generated Node #0,1: 65:[2, 66, 75] Operation: 86-11=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[11, 2, 20], Operations: ['86-66=20'] Exploring Operation: 11+2=13, Resulting Numbers: [20, 13] Generated Node #0,0,0: 65:[20, 13] Operation: 11+2=13 Exploring Operation: 20/2=10, Resulting Numbers: [11, 10] Generated Node #0,0,1: 65:[11, 10] Operation: 20/2=10 Moving to Node #0,0,1 Current State: 65:[11, 10], Operations: ['86-66=20', '20/2=10'] Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,65 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,65 unequal: No Solution Moving to Node #0,0,0 Current State: 65:[20, 13], Operations: ['86-66=20', '11+2=13'] Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,65 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[2, 66, 75], Operations: ['86-11=75'] Exploring Operation: 75-66=9, Resulting Numbers: [2, 9] Generated Node #0,1,0: 65:[2, 9] Operation: 75-66=9 Exploring Operation: 75-2=73, Resulting Numbers: [66, 73] Generated Node #0,1,1: 65:[66, 73] Operation: 75-2=73 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 65:[2, 9], Operations: ['86-11=75', '75-66=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,65 unequal: No Solution No 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: 65:[66, 73], Operations: ['86-11=75', '75-2=73'] Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 66+73=139, Resulting Numbers: [139] 139,65 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
[ 43, 59, 80, 34 ]
77
[ "43+59=102", "102/34=3", "80-3=77" ]
Current State: 77:[43, 59, 80, 34], Operations: [] Exploring Operation: 43+59=102, Resulting Numbers: [80, 34, 102] Generated Node #2: [80, 34, 102] from Operation: 43+59=102 Current State: 77:[80, 34, 102], Operations: ['43+59=102'] Exploring Operation: 102/34=3, Resulting Numbers: [80, 3] Generated Node #3: [80, 3] from Operation: 102/34=3 Current State: 77:[80, 3], Operations: ['43+59=102', '102/34=3'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[43, 59, 80, 34], Operations: [] Exploring Operation: 43+34=77, Resulting Numbers: [59, 80, 77] Generated Node #0,0: 77:[59, 80, 77] Operation: 43+34=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[59, 80, 77], Operations: ['43+34=77'] Exploring Operation: 80-59=21, Resulting Numbers: [77, 21] Generated Node #0,0,0: 77:[77, 21] Operation: 80-59=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[77, 21], Operations: ['43+34=77', '80-59=21'] Exploring Operation: 77+21=98, Resulting Numbers: [98] 98,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 92, 80, 38, 60 ]
33
[ "92-80=12", "60/12=5", "38-5=33" ]
Current State: 33:[92, 80, 38, 60], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [38, 60, 12] Generated Node #2: [38, 60, 12] from Operation: 92-80=12 Current State: 33:[38, 60, 12], Operations: ['92-80=12'] Exploring Operation: 60/12=5, Resulting Numbers: [38, 5] Generated Node #3: [38, 5] from Operation: 60/12=5 Current State: 33:[38, 5], Operations: ['92-80=12', '60/12=5'] Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[92, 80, 38, 60], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [38, 60, 12] Generated Node #0,0: 33:[38, 60, 12] Operation: 92-80=12 Exploring Operation: 92-60=32, Resulting Numbers: [80, 38, 32] Generated Node #0,1: 33:[80, 38, 32] Operation: 92-60=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[38, 60, 12], Operations: ['92-80=12'] Exploring Operation: 60-38=22, Resulting Numbers: [12, 22] Generated Node #0,0,0: 33:[12, 22] Operation: 60-38=22 Exploring Operation: 60/12=5, Resulting Numbers: [38, 5] Generated Node #0,0,1: 33:[38, 5] Operation: 60/12=5 Moving to Node #0,0,1 Current State: 33:[38, 5], Operations: ['92-80=12', '60/12=5'] Exploring Operation: 38+5=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[92, 80, 38, 60], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [38, 60, 12] Generated Node #0,0: 33:[38, 60, 12] Operation: 92-80=12 Moving to Node #0,0 Current State: 33:[38, 60, 12], Operations: ['92-80=12'] Exploring Operation: 60/12=5, Resulting Numbers: [38, 5] Generated Node #0,0,1: 33:[38, 5] Operation: 60/12=5 Moving to Node #0,0,1 Current State: 33:[38, 5], Operations: ['92-80=12', '60/12=5'] Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 5, 15, 35, 6 ]
26
[ "15/5=3", "35-6=29", "29-3=26" ]
Current State: 26:[5, 15, 35, 6], Operations: [] Exploring Operation: 15/5=3, Resulting Numbers: [35, 6, 3] Generated Node #2: [35, 6, 3] from Operation: 15/5=3 Current State: 26:[35, 6, 3], Operations: ['15/5=3'] Exploring Operation: 35-6=29, Resulting Numbers: [3, 29] Generated Node #3: [3, 29] from Operation: 35-6=29 Current State: 26:[3, 29], Operations: ['15/5=3', '35-6=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[5, 15, 35, 6], Operations: [] Exploring Operation: 35/5=7, Resulting Numbers: [15, 6, 7] Generated Node #0,0: 26:[15, 6, 7] Operation: 35/5=7 Exploring Operation: 35-5=30, Resulting Numbers: [15, 6, 30] Generated Node #0,1: 26:[15, 6, 30] Operation: 35-5=30 Exploring Operation: 35-6=29, Resulting Numbers: [5, 15, 29] Generated Node #0,2: 26:[5, 15, 29] Operation: 35-6=29 Exploring Operation: 5+6=11, Resulting Numbers: [15, 35, 11] Generated Node #0,3: 26:[15, 35, 11] Operation: 5+6=11 Exploring Operation: 6-5=1, Resulting Numbers: [15, 35, 1] Generated Node #0,4: 26:[15, 35, 1] Operation: 6-5=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[5, 15, 29], Operations: ['35-6=29'] Exploring Operation: 15-5=10, Resulting Numbers: [29, 10] Generated Node #0,2,0: 26:[29, 10] Operation: 15-5=10 Exploring Operation: 5+15=20, Resulting Numbers: [29, 20] Generated Node #0,2,1: 26:[29, 20] Operation: 5+15=20 Exploring Operation: 29-5=24, Resulting Numbers: [15, 24] Generated Node #0,2,2: 26:[15, 24] Operation: 29-5=24 Exploring Operation: 15/5=3, Resulting Numbers: [29, 3] Generated Node #0,2,3: 26:[29, 3] Operation: 15/5=3 Exploring Operation: 29-15=14, Resulting Numbers: [5, 14] Generated Node #0,2,4: 26:[5, 14] Operation: 29-15=14 Moving to Node #0,2,2 Current State: 26:[15, 24], Operations: ['35-6=29', '29-5=24'] Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,26 unequal: No Solution Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,26 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,26 unequal: No Solution Moving to Node #0,2,4 Current State: 26:[5, 14], Operations: ['35-6=29', '29-15=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,26 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,26 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,26 unequal: No Solution Moving to Node #0,2,3 Current State: 26:[29, 3], Operations: ['35-6=29', '15/5=3'] Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,26 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[5, 15, 35, 6], Operations: [] Exploring Operation: 35-6=29, Resulting Numbers: [5, 15, 29] Generated Node #0,2: 26:[5, 15, 29] Operation: 35-6=29 Moving to Node #0,2 Current State: 26:[5, 15, 29], Operations: ['35-6=29'] Exploring Operation: 15/5=3, Resulting Numbers: [29, 3] Generated Node #0,2,3: 26:[29, 3] Operation: 15/5=3 Moving to Node #0,2,3 Current State: 26:[29, 3], Operations: ['35-6=29', '15/5=3'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 7, 31, 46, 1 ]
83
[ "7+31=38", "46-1=45", "38+45=83" ]
Current State: 83:[7, 31, 46, 1], Operations: [] Exploring Operation: 7+31=38, Resulting Numbers: [46, 1, 38] Generated Node #2: [46, 1, 38] from Operation: 7+31=38 Current State: 83:[46, 1, 38], Operations: ['7+31=38'] Exploring Operation: 46-1=45, Resulting Numbers: [38, 45] Generated Node #3: [38, 45] from Operation: 46-1=45 Current State: 83:[38, 45], Operations: ['7+31=38', '46-1=45'] Exploring Operation: 38+45=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[7, 31, 46, 1], Operations: [] Exploring Operation: 7+46=53, Resulting Numbers: [31, 1, 53] Generated Node #0,0: 83:[31, 1, 53] Operation: 7+46=53 Exploring Operation: 31+46=77, Resulting Numbers: [7, 1, 77] Generated Node #0,1: 83:[7, 1, 77] Operation: 31+46=77 Exploring Operation: 7+1=8, Resulting Numbers: [31, 46, 8] Generated Node #0,2: 83:[31, 46, 8] Operation: 7+1=8 Exploring Operation: 7+31=38, Resulting Numbers: [46, 1, 38] Generated Node #0,3: 83:[46, 1, 38] Operation: 7+31=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[31, 1, 53], Operations: ['7+46=53'] Exploring Operation: 31+1=32, Resulting Numbers: [53, 32] Generated Node #0,0,0: 83:[53, 32] Operation: 31+1=32 Exploring Operation: 31*1=31, Resulting Numbers: [53, 31] Generated Node #0,0,1: 83:[53, 31] Operation: 31*1=31 Exploring Operation: 31/1=31, Resulting Numbers: [53, 31] Generated Node #0,0,2: 83:[53, 31] Operation: 31/1=31 Exploring Operation: 1+53=54, Resulting Numbers: [31, 54] Generated Node #0,0,3: 83:[31, 54] Operation: 1+53=54 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[53, 32], Operations: ['7+46=53', '31+1=32'] Exploring Operation: 53+32=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 53*32=1696, Resulting Numbers: [1696] 1696,83 unequal: No Solution Exploring Operation: 53-32=21, Resulting Numbers: [21] 21,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 83:[31, 54], Operations: ['7+46=53', '1+53=54'] Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,83 unequal: No Solution Exploring Operation: 31+54=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 31*54=1674, Resulting Numbers: [1674] 1674,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 83:[53, 31], Operations: ['7+46=53', '31*1=31'] Exploring Operation: 53*31=1643, Resulting Numbers: [1643] 1643,83 unequal: No Solution Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 83:[53, 31], Operations: ['7+46=53', '31/1=31'] Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 53*31=1643, Resulting Numbers: [1643] 1643,83 unequal: No Solution Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[7, 1, 77], Operations: ['31+46=77'] Exploring Operation: 1+77=78, Resulting Numbers: [7, 78] Generated Node #0,1,0: 83:[7, 78] Operation: 1+77=78 Exploring Operation: 7+1=8, Resulting Numbers: [77, 8] Generated Node #0,1,1: 83:[77, 8] Operation: 7+1=8 Exploring Operation: 7/1=7, Resulting Numbers: [77, 7] Generated Node #0,1,2: 83:[77, 7] Operation: 7/1=7 Exploring Operation: 7*1=7, Resulting Numbers: [77, 7] Generated Node #0,1,3: 83:[77, 7] Operation: 7*1=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[7, 78], Operations: ['31+46=77', '1+77=78'] Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,83 unequal: No Solution Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,83 unequal: No Solution Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 83:[77, 8], Operations: ['31+46=77', '7+1=8'] Exploring Operation: 77*8=616, Resulting Numbers: [616] 616,83 unequal: No Solution Exploring Operation: 77+8=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 83:[77, 7], Operations: ['31+46=77', '7/1=7'] Exploring Operation: 77*7=539, Resulting Numbers: [539] 539,83 unequal: No Solution Exploring Operation: 77-7=70, Resulting Numbers: [70] 70,83 unequal: No Solution Exploring Operation: 77/7=11, Resulting Numbers: [11] 11,83 unequal: No Solution Exploring Operation: 77+7=84, Resulting Numbers: [84] 84,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 83:[77, 7], Operations: ['31+46=77', '7*1=7'] Exploring Operation: 77+7=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 77-7=70, Resulting Numbers: [70] 70,83 unequal: No Solution Exploring Operation: 77/7=11, Resulting Numbers: [11] 11,83 unequal: No Solution Exploring Operation: 77*7=539, Resulting Numbers: [539] 539,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[31, 46, 8], Operations: ['7+1=8'] Exploring Operation: 31+46=77, Resulting Numbers: [8, 77] Generated Node #0,2,0: 83:[8, 77] Operation: 31+46=77 Exploring Operation: 46+8=54, Resulting Numbers: [31, 54] Generated Node #0,2,1: 83:[31, 54] Operation: 46+8=54 Exploring Operation: 31+8=39, Resulting Numbers: [46, 39] Generated Node #0,2,2: 83:[46, 39] Operation: 31+8=39 Exploring Operation: 31-8=23, Resulting Numbers: [46, 23] Generated Node #0,2,3: 83:[46, 23] Operation: 31-8=23 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 83:[8, 77], Operations: ['7+1=8', '31+46=77'] Exploring Operation: 8*77=616, Resulting Numbers: [616] 616,83 unequal: No Solution Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,83 unequal: No Solution Exploring Operation: 8+77=85, Resulting Numbers: [85] 85,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 83:[31, 54], Operations: ['7+1=8', '46+8=54'] Exploring Operation: 31+54=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 31*54=1674, Resulting Numbers: [1674] 1674,83 unequal: No Solution Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 83:[46, 39], Operations: ['7+1=8', '31+8=39'] Exploring Operation: 46+39=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 46*39=1794, Resulting Numbers: [1794] 1794,83 unequal: No Solution Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 83:[46, 23], Operations: ['7+1=8', '31-8=23'] Exploring Operation: 46+23=69, Resulting Numbers: [69] 69,83 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,83 unequal: No Solution Exploring Operation: 46*23=1058, Resulting Numbers: [1058] 1058,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[46, 1, 38], Operations: ['7+31=38'] Exploring Operation: 46/1=46, Resulting Numbers: [38, 46] Generated Node #0,3,0: 83:[38, 46] Operation: 46/1=46 Exploring Operation: 46+1=47, Resulting Numbers: [38, 47] Generated Node #0,3,1: 83:[38, 47] Operation: 46+1=47 Exploring Operation: 46*1=46, Resulting Numbers: [38, 46] Generated Node #0,3,2: 83:[38, 46] Operation: 46*1=46 Exploring Operation: 1+38=39, Resulting Numbers: [46, 39] Generated Node #0,3,3: 83:[46, 39] Operation: 1+38=39 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 83:[38, 47], Operations: ['7+31=38', '46+1=47'] Exploring Operation: 47-38=9, Resulting Numbers: [9] 9,83 unequal: No Solution Exploring Operation: 38+47=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 38*47=1786, Resulting Numbers: [1786] 1786,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 83:[46, 39], Operations: ['7+31=38', '1+38=39'] Exploring Operation: 46+39=85, Resulting Numbers: [85] 85,83 unequal: No Solution Exploring Operation: 46*39=1794, Resulting Numbers: [1794] 1794,83 unequal: No Solution Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 83:[38, 46], Operations: ['7+31=38', '46/1=46'] Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,83 unequal: No Solution Exploring Operation: 38*46=1748, Resulting Numbers: [1748] 1748,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 83:[38, 46], Operations: ['7+31=38', '46*1=46'] Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,83 unequal: No Solution Exploring Operation: 38*46=1748, Resulting Numbers: [1748] 1748,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 34, 83, 61, 7 ]
54
[ "83-34=49", "49/7=7", "61-7=54" ]
Current State: 54:[34, 83, 61, 7], Operations: [] Exploring Operation: 83-34=49, Resulting Numbers: [61, 7, 49] Generated Node #2: [61, 7, 49] from Operation: 83-34=49 Current State: 54:[61, 7, 49], Operations: ['83-34=49'] Exploring Operation: 49/7=7, Resulting Numbers: [61, 7] Generated Node #3: [61, 7] from Operation: 49/7=7 Current State: 54:[61, 7], Operations: ['83-34=49', '49/7=7'] Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[34, 83, 61, 7], Operations: [] Exploring Operation: 83-61=22, Resulting Numbers: [34, 7, 22] Generated Node #0,0: 54:[34, 7, 22] Operation: 83-61=22 Moving to Node #0,0 Current State: 54:[34, 7, 22], Operations: ['83-61=22'] Exploring Operation: 34+22=56, Resulting Numbers: [7, 56] Generated Node #0,0,0: 54:[7, 56] Operation: 34+22=56 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[7, 56], Operations: ['83-61=22', '34+22=56'] Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,54 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, 42, 44, 48 ]
33
[ "8+48=56", "42*44=1848", "1848/56=33" ]
Current State: 33:[8, 42, 44, 48], Operations: [] Exploring Operation: 8+48=56, Resulting Numbers: [42, 44, 56] Generated Node #2: [42, 44, 56] from Operation: 8+48=56 Current State: 33:[42, 44, 56], Operations: ['8+48=56'] Exploring Operation: 42*44=1848, Resulting Numbers: [56, 1848] Generated Node #3: [56, 1848] from Operation: 42*44=1848 Current State: 33:[56, 1848], Operations: ['8+48=56', '42*44=1848'] Exploring Operation: 1848/56=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[8, 42, 44, 48], Operations: [] Exploring Operation: 48-42=6, Resulting Numbers: [8, 44, 6] Generated Node #0,0: 33:[8, 44, 6] Operation: 48-42=6 Exploring Operation: 44-42=2, Resulting Numbers: [8, 48, 2] Generated Node #0,1: 33:[8, 48, 2] Operation: 44-42=2 Exploring Operation: 48/8=6, Resulting Numbers: [42, 44, 6] Generated Node #0,2: 33:[42, 44, 6] Operation: 48/8=6 Exploring Operation: 48-44=4, Resulting Numbers: [8, 42, 4] Generated Node #0,3: 33:[8, 42, 4] Operation: 48-44=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[8, 42, 4], Operations: ['48-44=4'] Exploring Operation: 8*4=32, Resulting Numbers: [42, 32] Generated Node #0,3,0: 33:[42, 32] Operation: 8*4=32 Exploring Operation: 42-8=34, Resulting Numbers: [4, 34] Generated Node #0,3,1: 33:[4, 34] Operation: 42-8=34 Exploring Operation: 8+4=12, Resulting Numbers: [42, 12] Generated Node #0,3,2: 33:[42, 12] Operation: 8+4=12 Exploring Operation: 42-4=38, Resulting Numbers: [8, 38] Generated Node #0,3,3: 33:[8, 38] Operation: 42-4=38 Moving to Node #0,3,1 Current State: 33:[4, 34], Operations: ['48-44=4', '42-8=34'] Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,33 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,33 unequal: No Solution Moving to Node #0,3,3 Current State: 33:[8, 38], Operations: ['48-44=4', '42-4=38'] Exploring Operation: 8*38=304, Resulting Numbers: [304] 304,33 unequal: No Solution Exploring Operation: 8+38=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,33 unequal: No Solution Moving to Node #0,3,2 Current State: 33:[42, 12], Operations: ['48-44=4', '8+4=12'] Exploring Operation: 42+12=54, Resulting Numbers: [54] 54,33 unequal: No Solution Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 42*12=504, Resulting Numbers: [504] 504,33 unequal: No Solution Moving to Node #0,3,0 Current State: 33:[42, 32], Operations: ['48-44=4', '8*4=32'] Exploring Operation: 42+32=74, Resulting Numbers: [74] 74,33 unequal: No Solution Exploring Operation: 42-32=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 42*32=1344, Resulting Numbers: [1344] 1344,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[8, 44, 6], Operations: ['48-42=6'] Exploring Operation: 44-8=36, Resulting Numbers: [6, 36] Generated Node #0,0,0: 33:[6, 36] Operation: 44-8=36 Exploring Operation: 44-6=38, Resulting Numbers: [8, 38] Generated Node #0,0,1: 33:[8, 38] Operation: 44-6=38 Exploring Operation: 8-6=2, Resulting Numbers: [44, 2] Generated Node #0,0,2: 33:[44, 2] Operation: 8-6=2 Exploring Operation: 8+6=14, Resulting Numbers: [44, 14] Generated Node #0,0,3: 33:[44, 14] Operation: 8+6=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[6, 36], Operations: ['48-42=6', '44-8=36'] Exploring Operation: 6*36=216, Resulting Numbers: [216] 216,33 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,33 unequal: No Solution Exploring Operation: 6+36=42, Resulting Numbers: [42] 42,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[8, 38], Operations: ['48-42=6', '44-6=38'] Exploring Operation: 8*38=304, Resulting Numbers: [304] 304,33 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 8+38=46, Resulting Numbers: [46] 46,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 33:[44, 2], Operations: ['48-42=6', '8-6=2'] Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,33 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,33 unequal: No Solution Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,33 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 33:[44, 14], Operations: ['48-42=6', '8+6=14'] Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 44+14=58, Resulting Numbers: [58] 58,33 unequal: No Solution Exploring Operation: 44*14=616, Resulting Numbers: [616] 616,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[8, 48, 2], Operations: ['44-42=2'] Exploring Operation: 48-8=40, Resulting Numbers: [2, 40] Generated Node #0,1,0: 33:[2, 40] Operation: 48-8=40 Exploring Operation: 8+2=10, Resulting Numbers: [48, 10] Generated Node #0,1,1: 33:[48, 10] Operation: 8+2=10 Exploring Operation: 48/8=6, Resulting Numbers: [2, 6] Generated Node #0,1,2: 33:[2, 6] Operation: 48/8=6 Exploring Operation: 48/2=24, Resulting Numbers: [8, 24] Generated Node #0,1,3: 33:[8, 24] Operation: 48/2=24 Moving to Node #0,1,2 Current State: 33:[2, 6], Operations: ['44-42=2', '48/8=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[2, 40], Operations: ['44-42=2', '48-8=40'] Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,33 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,33 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,33 unequal: No Solution Moving to Node #0,1,3 Current State: 33:[8, 24], Operations: ['44-42=2', '48/2=24'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,33 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[48, 10], Operations: ['44-42=2', '8+2=10'] Exploring Operation: 48*10=480, Resulting Numbers: [480] 480,33 unequal: No Solution Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[42, 44, 6], Operations: ['48/8=6'] Exploring Operation: 44-6=38, Resulting Numbers: [42, 38] Generated Node #0,2,0: 33:[42, 38] Operation: 44-6=38 Exploring Operation: 42/6=7, Resulting Numbers: [44, 7] Generated Node #0,2,1: 33:[44, 7] Operation: 42/6=7 Exploring Operation: 44-42=2, Resulting Numbers: [6, 2] Generated Node #0,2,2: 33:[6, 2] Operation: 44-42=2 Exploring Operation: 42-6=36, Resulting Numbers: [44, 36] Generated Node #0,2,3: 33:[44, 36] Operation: 42-6=36 Moving to Node #0,2,2 Current State: 33:[6, 2], Operations: ['48/8=6', '44-42=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[44, 36], Operations: ['48/8=6', '42-6=36'] Exploring Operation: 44*36=1584, Resulting Numbers: [1584] 1584,33 unequal: No Solution Exploring Operation: 44-36=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 44+36=80, Resulting Numbers: [80] 80,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[42, 38], Operations: ['48/8=6', '44-6=38'] Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 42+38=80, Resulting Numbers: [80] 80,33 unequal: No Solution Exploring Operation: 42*38=1596, Resulting Numbers: [1596] 1596,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[44, 7], Operations: ['48/8=6', '42/6=7'] Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,33 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,33 unequal: No Solution Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 20, 30, 40, 65 ]
52
[ "20+30=50", "40*65=2600", "2600/50=52" ]
Current State: 52:[20, 30, 40, 65], Operations: [] Exploring Operation: 20+30=50, Resulting Numbers: [40, 65, 50] Generated Node #2: [40, 65, 50] from Operation: 20+30=50 Current State: 52:[40, 65, 50], Operations: ['20+30=50'] Exploring Operation: 40*65=2600, Resulting Numbers: [50, 2600] Generated Node #3: [50, 2600] from Operation: 40*65=2600 Current State: 52:[50, 2600], Operations: ['20+30=50', '40*65=2600'] Exploring Operation: 2600/50=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[20, 30, 40, 65], Operations: [] Exploring Operation: 65-40=25, Resulting Numbers: [20, 30, 25] Generated Node #0,0: 52:[20, 30, 25] Operation: 65-40=25 Exploring Operation: 40/20=2, Resulting Numbers: [30, 65, 2] Generated Node #0,1: 52:[30, 65, 2] Operation: 40/20=2 Exploring Operation: 40-30=10, Resulting Numbers: [20, 65, 10] Generated Node #0,2: 52:[20, 65, 10] Operation: 40-30=10 Exploring Operation: 40-20=20, Resulting Numbers: [30, 65, 20] Generated Node #0,3: 52:[30, 65, 20] Operation: 40-20=20 Moving to Node #0,0 Current State: 52:[20, 30, 25], Operations: ['65-40=25'] Exploring Operation: 25-20=5, Resulting Numbers: [30, 5] Generated Node #0,0,0: 52:[30, 5] Operation: 25-20=5 Exploring Operation: 20+30=50, Resulting Numbers: [25, 50] Generated Node #0,0,1: 52:[25, 50] Operation: 20+30=50 Exploring Operation: 30-20=10, Resulting Numbers: [25, 10] Generated Node #0,0,2: 52:[25, 10] Operation: 30-20=10 Exploring Operation: 30-25=5, Resulting Numbers: [20, 5] Generated Node #0,0,3: 52:[20, 5] Operation: 30-25=5 Moving to Node #0,1 Current State: 52:[30, 65, 2], Operations: ['40/20=2'] Exploring Operation: 30-2=28, Resulting Numbers: [65, 28] Generated Node #0,1,0: 52:[65, 28] Operation: 30-2=28 Exploring Operation: 65-30=35, Resulting Numbers: [2, 35] Generated Node #0,1,1: 52:[2, 35] Operation: 65-30=35 Exploring Operation: 30/2=15, Resulting Numbers: [65, 15] Generated Node #0,1,2: 52:[65, 15] Operation: 30/2=15 Exploring Operation: 65-2=63, Resulting Numbers: [30, 63] Generated Node #0,1,3: 52:[30, 63] Operation: 65-2=63 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[2, 35], Operations: ['40/20=2', '65-30=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,52 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[65, 28], Operations: ['40/20=2', '30-2=28'] Exploring Operation: 65+28=93, Resulting Numbers: [93] 93,52 unequal: No Solution Exploring Operation: 65*28=1820, Resulting Numbers: [1820] 1820,52 unequal: No Solution Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 52:[65, 15], Operations: ['40/20=2', '30/2=15'] Exploring Operation: 65*15=975, Resulting Numbers: [975] 975,52 unequal: No Solution Exploring Operation: 65-15=50, Resulting Numbers: [50] 50,52 unequal: No Solution Exploring Operation: 65+15=80, Resulting Numbers: [80] 80,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 52:[30, 63], Operations: ['40/20=2', '65-2=63'] Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,52 unequal: No Solution Exploring Operation: 30*63=1890, Resulting Numbers: [1890] 1890,52 unequal: No Solution Exploring Operation: 30+63=93, Resulting Numbers: [93] 93,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 52:[20, 65, 10], Operations: ['40-30=10'] Exploring Operation: 65-10=55, Resulting Numbers: [20, 55] Generated Node #0,2,0: 52:[20, 55] Operation: 65-10=55 Exploring Operation: 20-10=10, Resulting Numbers: [65, 10] Generated Node #0,2,1: 52:[65, 10] Operation: 20-10=10 Exploring Operation: 65-20=45, Resulting Numbers: [10, 45] Generated Node #0,2,2: 52:[10, 45] Operation: 65-20=45 Exploring Operation: 20/10=2, Resulting Numbers: [65, 2] Generated Node #0,2,3: 52:[65, 2] Operation: 20/10=2 Moving to Node #0,3 Current State: 52:[30, 65, 20], Operations: ['40-20=20'] Exploring Operation: 30+20=50, Resulting Numbers: [65, 50] Generated Node #0,3,0: 52:[65, 50] Operation: 30+20=50 Exploring Operation: 30-20=10, Resulting Numbers: [65, 10] Generated Node #0,3,1: 52:[65, 10] Operation: 30-20=10 Exploring Operation: 65-30=35, Resulting Numbers: [20, 35] Generated Node #0,3,2: 52:[20, 35] Operation: 65-30=35 Exploring Operation: 65-20=45, Resulting Numbers: [30, 45] Generated Node #0,3,3: 52:[30, 45] Operation: 65-20=45 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 52:[30, 45], Operations: ['40-20=20', '65-20=45'] Exploring Operation: 30+45=75, Resulting Numbers: [75] 75,52 unequal: No Solution Exploring Operation: 30*45=1350, Resulting Numbers: [1350] 1350,52 unequal: No Solution Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 52:[65, 50], Operations: ['40-20=20', '30+20=50'] Exploring Operation: 65*50=3250, Resulting Numbers: [3250] 3250,52 unequal: No Solution Exploring Operation: 65+50=115, Resulting Numbers: [115] 115,52 unequal: No Solution Exploring Operation: 65-50=15, Resulting Numbers: [15] 15,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 52:[20, 35], Operations: ['40-20=20', '65-30=35'] Exploring Operation: 20+35=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 20*35=700, Resulting Numbers: [700] 700,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 52:[65, 10], Operations: ['40-20=20', '30-20=10'] Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 65+10=75, Resulting Numbers: [75] 75,52 unequal: No Solution Exploring Operation: 65*10=650, Resulting Numbers: [650] 650,52 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: 52:[25, 50], Operations: ['65-40=25', '20+30=50'] Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 25+50=75, Resulting Numbers: [75] 75,52 unequal: No Solution Exploring Operation: 25*50=1250, Resulting Numbers: [1250] 1250,52 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[25, 10], Operations: ['65-40=25', '30-20=10'] Exploring Operation: 25+10=35, Resulting Numbers: [35] 35,52 unequal: No Solution Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 25*10=250, Resulting Numbers: [250] 250,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[30, 5], Operations: ['65-40=25', '25-20=5'] Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 30*5=150, Resulting Numbers: [150] 150,52 unequal: No Solution Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,52 unequal: No Solution Moving to Node #0,0,3 Current State: 52:[20, 5], Operations: ['65-40=25', '30-25=5'] Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,52 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[20, 55], Operations: ['40-30=10', '65-10=55'] Exploring Operation: 20+55=75, Resulting Numbers: [75] 75,52 unequal: No Solution Exploring Operation: 55-20=35, Resulting Numbers: [35] 35,52 unequal: No Solution Exploring Operation: 20*55=1100, Resulting Numbers: [1100] 1100,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[10, 45], Operations: ['40-30=10', '65-20=45'] Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,52 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,52 unequal: No Solution Moving to Node #0,2,3 Current State: 52:[65, 2], Operations: ['40-30=10', '20/10=2'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,52 unequal: No Solution Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,52 unequal: No Solution Exploring Operation: 65*2=130, Resulting Numbers: [130] 130,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[65, 10], Operations: ['40-30=10', '20-10=10'] Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 65+10=75, Resulting Numbers: [75] 75,52 unequal: No Solution Exploring Operation: 65*10=650, Resulting Numbers: [650] 650,52 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 85, 30, 70, 62 ]
12
[ "85+70=155", "30*62=1860", "1860/155=12" ]
Current State: 12:[85, 30, 70, 62], Operations: [] Exploring Operation: 85+70=155, Resulting Numbers: [30, 62, 155] Generated Node #2: [30, 62, 155] from Operation: 85+70=155 Current State: 12:[30, 62, 155], Operations: ['85+70=155'] Exploring Operation: 30*62=1860, Resulting Numbers: [155, 1860] Generated Node #3: [155, 1860] from Operation: 30*62=1860 Current State: 12:[155, 1860], Operations: ['85+70=155', '30*62=1860'] Exploring Operation: 1860/155=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[85, 30, 70, 62], Operations: [] Exploring Operation: 85-70=15, Resulting Numbers: [30, 62, 15] Generated Node #0,0: 12:[30, 62, 15] Operation: 85-70=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[30, 62, 15], Operations: ['85-70=15'] Exploring Operation: 62-30=32, Resulting Numbers: [15, 32] Generated Node #0,0,0: 12:[15, 32] Operation: 62-30=32 Moving to Node #0,0,0 Current State: 12:[15, 32], Operations: ['85-70=15', '62-30=32'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 36, 98, 60, 64 ]
58
[ "98-36=62", "64-60=4", "62-4=58" ]
Current State: 58:[36, 98, 60, 64], Operations: [] Exploring Operation: 98-36=62, Resulting Numbers: [60, 64, 62] Generated Node #2: [60, 64, 62] from Operation: 98-36=62 Current State: 58:[60, 64, 62], Operations: ['98-36=62'] Exploring Operation: 64-60=4, Resulting Numbers: [62, 4] Generated Node #3: [62, 4] from Operation: 64-60=4 Current State: 58:[62, 4], Operations: ['98-36=62', '64-60=4'] Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[36, 98, 60, 64], Operations: [] Exploring Operation: 98-60=38, Resulting Numbers: [36, 64, 38] Generated Node #0,0: 58:[36, 64, 38] Operation: 98-60=38 Exploring Operation: 98-36=62, Resulting Numbers: [60, 64, 62] Generated Node #0,1: 58:[60, 64, 62] Operation: 98-36=62 Exploring Operation: 98-64=34, Resulting Numbers: [36, 60, 34] Generated Node #0,2: 58:[36, 60, 34] Operation: 98-64=34 Moving to Node #0,1 Current State: 58:[60, 64, 62], Operations: ['98-36=62'] Exploring Operation: 64-62=2, Resulting Numbers: [60, 2] Generated Node #0,1,0: 58:[60, 2] Operation: 64-62=2 Exploring Operation: 62-60=2, Resulting Numbers: [64, 2] Generated Node #0,1,1: 58:[64, 2] Operation: 62-60=2 Exploring Operation: 64-60=4, Resulting Numbers: [62, 4] Generated Node #0,1,2: 58:[62, 4] Operation: 64-60=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[60, 2], Operations: ['98-36=62', '64-62=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[36, 98, 60, 64], Operations: [] Exploring Operation: 98-36=62, Resulting Numbers: [60, 64, 62] Generated Node #0,1: 58:[60, 64, 62] Operation: 98-36=62 Moving to Node #0,1 Current State: 58:[60, 64, 62], Operations: ['98-36=62'] Exploring Operation: 64-62=2, Resulting Numbers: [60, 2] Generated Node #0,1,0: 58:[60, 2] Operation: 64-62=2 Moving to Node #0,1,0 Current State: 58:[60, 2], Operations: ['98-36=62', '64-62=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 2, 16, 46, 35 ]
73
[ "16/2=8", "46+35=81", "81-8=73" ]
Current State: 73:[2, 16, 46, 35], Operations: [] Exploring Operation: 16/2=8, Resulting Numbers: [46, 35, 8] Generated Node #2: [46, 35, 8] from Operation: 16/2=8 Current State: 73:[46, 35, 8], Operations: ['16/2=8'] Exploring Operation: 46+35=81, Resulting Numbers: [8, 81] Generated Node #3: [8, 81] from Operation: 46+35=81 Current State: 73:[8, 81], Operations: ['16/2=8', '46+35=81'] Exploring Operation: 81-8=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[2, 16, 46, 35], Operations: [] Exploring Operation: 2*35=70, Resulting Numbers: [16, 46, 70] Generated Node #0,0: 73:[16, 46, 70] Operation: 2*35=70 Exploring Operation: 2*16=32, Resulting Numbers: [46, 35, 32] Generated Node #0,1: 73:[46, 35, 32] Operation: 2*16=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[16, 46, 70], Operations: ['2*35=70'] Exploring Operation: 16+46=62, Resulting Numbers: [70, 62] Generated Node #0,0,0: 73:[70, 62] Operation: 16+46=62 Exploring Operation: 16+70=86, Resulting Numbers: [46, 86] Generated Node #0,0,1: 73:[46, 86] Operation: 16+70=86 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[70, 62], Operations: ['2*35=70', '16+46=62'] Exploring Operation: 70-62=8, Resulting Numbers: [8] 8,73 unequal: No Solution Exploring Operation: 70+62=132, Resulting Numbers: [132] 132,73 unequal: No Solution No 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: 73:[46, 86], Operations: ['2*35=70', '16+70=86'] Exploring Operation: 86-46=40, Resulting Numbers: [40] 40,73 unequal: No Solution Exploring Operation: 46+86=132, Resulting Numbers: [132] 132,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[46, 35, 32], Operations: ['2*16=32'] Exploring Operation: 46+32=78, Resulting Numbers: [35, 78] Generated Node #0,1,0: 73:[35, 78] Operation: 46+32=78 Exploring Operation: 35+32=67, Resulting Numbers: [46, 67] Generated Node #0,1,1: 73:[46, 67] Operation: 35+32=67 Moving to Node #0,1,1 Current State: 73:[46, 67], Operations: ['2*16=32', '35+32=67'] Exploring Operation: 46+67=113, Resulting Numbers: [113] 113,73 unequal: No Solution Exploring Operation: 67-46=21, Resulting Numbers: [21] 21,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[35, 78], Operations: ['2*16=32', '46+32=78'] Exploring Operation: 78-35=43, Resulting Numbers: [43] 43,73 unequal: No Solution Exploring Operation: 35+78=113, Resulting Numbers: [113] 113,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 20, 54, 39, 15 ]
58
[ "54-20=34", "39-15=24", "34+24=58" ]
Current State: 58:[20, 54, 39, 15], Operations: [] Exploring Operation: 54-20=34, Resulting Numbers: [39, 15, 34] Generated Node #2: [39, 15, 34] from Operation: 54-20=34 Current State: 58:[39, 15, 34], Operations: ['54-20=34'] Exploring Operation: 39-15=24, Resulting Numbers: [34, 24] Generated Node #3: [34, 24] from Operation: 39-15=24 Current State: 58:[34, 24], Operations: ['54-20=34', '39-15=24'] Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[20, 54, 39, 15], Operations: [] Exploring Operation: 39+15=54, Resulting Numbers: [20, 54, 54] Generated Node #0,0: 58:[20, 54, 54] Operation: 39+15=54 Exploring Operation: 20-15=5, Resulting Numbers: [54, 39, 5] Generated Node #0,1: 58:[54, 39, 5] Operation: 20-15=5 Exploring Operation: 39-15=24, Resulting Numbers: [20, 54, 24] Generated Node #0,2: 58:[20, 54, 24] Operation: 39-15=24 Exploring Operation: 20+39=59, Resulting Numbers: [54, 15, 59] Generated Node #0,3: 58:[54, 15, 59] Operation: 20+39=59 Moving to Node #0,0 Current State: 58:[20, 54, 54], Operations: ['39+15=54'] Exploring Operation: 54-20=34, Resulting Numbers: [54, 34] Generated Node #0,0,0: 58:[54, 34] Operation: 54-20=34 Exploring Operation: 54/54=1, Resulting Numbers: [20, 1] Generated Node #0,0,1: 58:[20, 1] Operation: 54/54=1 Exploring Operation: 54-54=0, Resulting Numbers: [20, 0] Generated Node #0,0,2: 58:[20, 0] Operation: 54-54=0 Exploring Operation: 54-20=34, Resulting Numbers: [54, 34] Generated Node #0,0,3: 58:[54, 34] Operation: 54-20=34 Moving to Node #0,1 Current State: 58:[54, 39, 5], Operations: ['20-15=5'] Exploring Operation: 54+5=59, Resulting Numbers: [39, 59] Generated Node #0,1,0: 58:[39, 59] Operation: 54+5=59 Exploring Operation: 39-5=34, Resulting Numbers: [54, 34] Generated Node #0,1,1: 58:[54, 34] Operation: 39-5=34 Exploring Operation: 54-39=15, Resulting Numbers: [5, 15] Generated Node #0,1,2: 58:[5, 15] Operation: 54-39=15 Exploring Operation: 39+5=44, Resulting Numbers: [54, 44] Generated Node #0,1,3: 58:[54, 44] Operation: 39+5=44 Moving to Node #0,3 Current State: 58:[54, 15, 59], Operations: ['20+39=59'] Exploring Operation: 54-15=39, Resulting Numbers: [59, 39] Generated Node #0,3,0: 58:[59, 39] Operation: 54-15=39 Exploring Operation: 54+15=69, Resulting Numbers: [59, 69] Generated Node #0,3,1: 58:[59, 69] Operation: 54+15=69 Exploring Operation: 59-54=5, Resulting Numbers: [15, 5] Generated Node #0,3,2: 58:[15, 5] Operation: 59-54=5 Exploring Operation: 59-15=44, Resulting Numbers: [54, 44] Generated Node #0,3,3: 58:[54, 44] Operation: 59-15=44 Moving to Node #0,2 Current State: 58:[20, 54, 24], Operations: ['39-15=24'] Exploring Operation: 24-20=4, Resulting Numbers: [54, 4] Generated Node #0,2,0: 58:[54, 4] Operation: 24-20=4 Exploring Operation: 54-24=30, Resulting Numbers: [20, 30] Generated Node #0,2,1: 58:[20, 30] Operation: 54-24=30 Exploring Operation: 20+24=44, Resulting Numbers: [54, 44] Generated Node #0,2,2: 58:[54, 44] Operation: 20+24=44 Exploring Operation: 54-20=34, Resulting Numbers: [24, 34] Generated Node #0,2,3: 58:[24, 34] Operation: 54-20=34 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[54, 4], Operations: ['39-15=24', '24-20=4'] Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,58 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,58 unequal: No Solution Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[20, 54, 39, 15], Operations: [] Exploring Operation: 39-15=24, Resulting Numbers: [20, 54, 24] Generated Node #0,2: 58:[20, 54, 24] Operation: 39-15=24 Moving to Node #0,2 Current State: 58:[20, 54, 24], Operations: ['39-15=24'] Exploring Operation: 24-20=4, Resulting Numbers: [54, 4] Generated Node #0,2,0: 58:[54, 4] Operation: 24-20=4 Moving to Node #0,2,0 Current State: 58:[54, 4], Operations: ['39-15=24', '24-20=4'] Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_4
sum_heuristic
[ 4, 47, 28, 23 ]
17
[ "28/4=7", "47-23=24", "24-7=17" ]
Current State: 17:[4, 47, 28, 23], Operations: [] Exploring Operation: 28/4=7, Resulting Numbers: [47, 23, 7] Generated Node #2: [47, 23, 7] from Operation: 28/4=7 Current State: 17:[47, 23, 7], Operations: ['28/4=7'] Exploring Operation: 47-23=24, Resulting Numbers: [7, 24] Generated Node #3: [7, 24] from Operation: 47-23=24 Current State: 17:[7, 24], Operations: ['28/4=7', '47-23=24'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[4, 47, 28, 23], Operations: [] Exploring Operation: 47-4=43, Resulting Numbers: [28, 23, 43] Generated Node #0,0: 17:[28, 23, 43] Operation: 47-4=43 Exploring Operation: 47-28=19, Resulting Numbers: [4, 23, 19] Generated Node #0,1: 17:[4, 23, 19] Operation: 47-28=19 Exploring Operation: 47-23=24, Resulting Numbers: [4, 28, 24] Generated Node #0,2: 17:[4, 28, 24] Operation: 47-23=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[4, 23, 19], Operations: ['47-28=19'] Exploring Operation: 19-4=15, Resulting Numbers: [23, 15] Generated Node #0,1,0: 17:[23, 15] Operation: 19-4=15 Exploring Operation: 4+23=27, Resulting Numbers: [19, 27] Generated Node #0,1,1: 17:[19, 27] Operation: 4+23=27 Exploring Operation: 23-4=19, Resulting Numbers: [19, 19] Generated Node #0,1,2: 17:[19, 19] Operation: 23-4=19 Moving to Node #0,1,2 Current State: 17:[19, 19], Operations: ['47-28=19', '23-4=19'] Exploring Operation: 19-19=0, Resulting Numbers: [0] 0,17 unequal: No Solution Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 19+19=38, Resulting Numbers: [38] 38,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[23, 15], Operations: ['47-28=19', '19-4=15'] Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 23+15=38, Resulting Numbers: [38] 38,17 unequal: No Solution Exploring Operation: 23*15=345, Resulting Numbers: [345] 345,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[19, 27], Operations: ['47-28=19', '4+23=27'] Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,17 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 19*27=513, Resulting Numbers: [513] 513,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[4, 28, 24], Operations: ['47-23=24'] Exploring Operation: 24-4=20, Resulting Numbers: [28, 20] Generated Node #0,2,0: 17:[28, 20] Operation: 24-4=20 Exploring Operation: 28/4=7, Resulting Numbers: [24, 7] Generated Node #0,2,1: 17:[24, 7] Operation: 28/4=7 Exploring Operation: 28-4=24, Resulting Numbers: [24, 24] Generated Node #0,2,2: 17:[24, 24] Operation: 28-4=24 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 17:[28, 20], Operations: ['47-23=24', '24-4=20'] Exploring Operation: 28*20=560, Resulting Numbers: [560] 560,17 unequal: No Solution Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 17:[24, 24], Operations: ['47-23=24', '28-4=24'] Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 17:[24, 7], Operations: ['47-23=24', '28/4=7'] Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,17 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[4, 47, 28, 23], Operations: [] Exploring Operation: 47-23=24, Resulting Numbers: [4, 28, 24] Generated Node #0,2: 17:[4, 28, 24] Operation: 47-23=24 Moving to Node #0,2 Current State: 17:[4, 28, 24], Operations: ['47-23=24'] Exploring Operation: 28/4=7, Resulting Numbers: [24, 7] Generated Node #0,2,1: 17:[24, 7] Operation: 28/4=7 Moving to Node #0,2,1 Current State: 17:[24, 7], Operations: ['47-23=24', '28/4=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_3
mult_heuristic
[ 6, 18, 84, 67 ]
84
[ "18+84=102", "102/6=17", "67+17=84" ]
Current State: 84:[6, 18, 84, 67], Operations: [] Exploring Operation: 18+84=102, Resulting Numbers: [6, 67, 102] Generated Node #2: [6, 67, 102] from Operation: 18+84=102 Current State: 84:[6, 67, 102], Operations: ['18+84=102'] Exploring Operation: 102/6=17, Resulting Numbers: [67, 17] Generated Node #3: [67, 17] from Operation: 102/6=17 Current State: 84:[67, 17], Operations: ['18+84=102', '102/6=17'] Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[6, 18, 84, 67], Operations: [] Exploring Operation: 6+67=73, Resulting Numbers: [18, 84, 73] Generated Node #0,0: 84:[18, 84, 73] Operation: 6+67=73 Exploring Operation: 18+67=85, Resulting Numbers: [6, 84, 85] Generated Node #0,1: 84:[6, 84, 85] Operation: 18+67=85 Exploring Operation: 84-67=17, Resulting Numbers: [6, 18, 17] Generated Node #0,2: 84:[6, 18, 17] Operation: 84-67=17 Exploring Operation: 18-6=12, Resulting Numbers: [84, 67, 12] Generated Node #0,3: 84:[84, 67, 12] Operation: 18-6=12 Exploring Operation: 67-18=49, Resulting Numbers: [6, 84, 49] Generated Node #0,4: 84:[6, 84, 49] Operation: 67-18=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[6, 84, 85], Operations: ['18+67=85'] Exploring Operation: 84-6=78, Resulting Numbers: [85, 78] Generated Node #0,1,0: 84:[85, 78] Operation: 84-6=78 Exploring Operation: 6+84=90, Resulting Numbers: [85, 90] Generated Node #0,1,1: 84:[85, 90] Operation: 6+84=90 Exploring Operation: 85-84=1, Resulting Numbers: [6, 1] Generated Node #0,1,2: 84:[6, 1] Operation: 85-84=1 Exploring Operation: 84/6=14, Resulting Numbers: [85, 14] Generated Node #0,1,3: 84:[85, 14] Operation: 84/6=14 Exploring Operation: 85-6=79, Resulting Numbers: [84, 79] Generated Node #0,1,4: 84:[84, 79] Operation: 85-6=79 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 84:[6, 1], Operations: ['18+67=85', '85-84=1'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 84:[85, 14], Operations: ['18+67=85', '84/6=14'] Exploring Operation: 85-14=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 85*14=1190, Resulting Numbers: [1190] 1190,84 unequal: No Solution Exploring Operation: 85+14=99, Resulting Numbers: [99] 99,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 84:[84, 79], Operations: ['18+67=85', '85-6=79'] Exploring Operation: 84-79=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 84+79=163, Resulting Numbers: [163] 163,84 unequal: No Solution Exploring Operation: 84*79=6636, Resulting Numbers: [6636] 6636,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 84:[85, 78], Operations: ['18+67=85', '84-6=78'] Exploring Operation: 85+78=163, Resulting Numbers: [163] 163,84 unequal: No Solution Exploring Operation: 85*78=6630, Resulting Numbers: [6630] 6630,84 unequal: No Solution Exploring Operation: 85-78=7, Resulting Numbers: [7] 7,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 84:[85, 90], Operations: ['18+67=85', '6+84=90'] Exploring Operation: 85*90=7650, Resulting Numbers: [7650] 7650,84 unequal: No Solution Exploring Operation: 90-85=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 85+90=175, Resulting Numbers: [175] 175,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[6, 18, 17], Operations: ['84-67=17'] Exploring Operation: 17-6=11, Resulting Numbers: [18, 11] Generated Node #0,2,0: 84:[18, 11] Operation: 17-6=11 Exploring Operation: 18-17=1, Resulting Numbers: [6, 1] Generated Node #0,2,1: 84:[6, 1] Operation: 18-17=1 Exploring Operation: 18-6=12, Resulting Numbers: [17, 12] Generated Node #0,2,2: 84:[17, 12] Operation: 18-6=12 Exploring Operation: 18/6=3, Resulting Numbers: [17, 3] Generated Node #0,2,3: 84:[17, 3] Operation: 18/6=3 Exploring Operation: 6+17=23, Resulting Numbers: [18, 23] Generated Node #0,2,4: 84:[18, 23] Operation: 6+17=23 Moving to Node #0,2,1 Current State: 84:[6, 1], Operations: ['84-67=17', '18-17=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,84 unequal: No Solution Moving to Node #0,2,3 Current State: 84:[17, 3], Operations: ['84-67=17', '18/6=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,84 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[17, 12], Operations: ['84-67=17', '18-6=12'] Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,84 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,84 unequal: No Solution Moving to Node #0,2,0 Current State: 84:[18, 11], Operations: ['84-67=17', '17-6=11'] Exploring Operation: 18*11=198, Resulting Numbers: [198] 198,84 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 18+11=29, Resulting Numbers: [29] 29,84 unequal: No Solution Moving to Node #0,2,4 Current State: 84:[18, 23], Operations: ['84-67=17', '6+17=23'] Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,84 unequal: No Solution Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,84 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 #0,4 Current State: 84:[6, 84, 49], Operations: ['67-18=49'] Exploring Operation: 84-49=35, Resulting Numbers: [6, 35] Generated Node #0,4,0: 84:[6, 35] Operation: 84-49=35 Exploring Operation: 49-6=43, Resulting Numbers: [84, 43] Generated Node #0,4,1: 84:[84, 43] Operation: 49-6=43 Exploring Operation: 6+84=90, Resulting Numbers: [49, 90] Generated Node #0,4,2: 84:[49, 90] Operation: 6+84=90 Exploring Operation: 84/6=14, Resulting Numbers: [49, 14] Generated Node #0,4,3: 84:[49, 14] Operation: 84/6=14 Exploring Operation: 84-6=78, Resulting Numbers: [49, 78] Generated Node #0,4,4: 84:[49, 78] Operation: 84-6=78 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 84:[84, 43], Operations: ['67-18=49', '49-6=43'] Exploring Operation: 84+43=127, Resulting Numbers: [127] 127,84 unequal: No Solution Exploring Operation: 84*43=3612, Resulting Numbers: [3612] 3612,84 unequal: No Solution Exploring Operation: 84-43=41, Resulting Numbers: [41] 41,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 84:[6, 35], Operations: ['67-18=49', '84-49=35'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 6+35=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 6*35=210, Resulting Numbers: [210] 210,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 84:[49, 14], Operations: ['67-18=49', '84/6=14'] Exploring Operation: 49+14=63, Resulting Numbers: [63] 63,84 unequal: No Solution Exploring Operation: 49*14=686, Resulting Numbers: [686] 686,84 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 84:[49, 90], Operations: ['67-18=49', '6+84=90'] Exploring Operation: 49+90=139, Resulting Numbers: [139] 139,84 unequal: No Solution Exploring Operation: 49*90=4410, Resulting Numbers: [4410] 4410,84 unequal: No Solution Exploring Operation: 90-49=41, Resulting Numbers: [41] 41,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 84:[49, 78], Operations: ['67-18=49', '84-6=78'] Exploring Operation: 78-49=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 49*78=3822, Resulting Numbers: [3822] 3822,84 unequal: No Solution Exploring Operation: 49+78=127, Resulting Numbers: [127] 127,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[18, 84, 73], Operations: ['6+67=73'] Exploring Operation: 73-18=55, Resulting Numbers: [84, 55] Generated Node #0,0,0: 84:[84, 55] Operation: 73-18=55 Exploring Operation: 18+84=102, Resulting Numbers: [73, 102] Generated Node #0,0,1: 84:[73, 102] Operation: 18+84=102 Exploring Operation: 84-73=11, Resulting Numbers: [18, 11] Generated Node #0,0,2: 84:[18, 11] Operation: 84-73=11 Exploring Operation: 84-18=66, Resulting Numbers: [73, 66] Generated Node #0,0,3: 84:[73, 66] Operation: 84-18=66 Exploring Operation: 18+73=91, Resulting Numbers: [84, 91] Generated Node #0,0,4: 84:[84, 91] Operation: 18+73=91 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 84:[18, 11], Operations: ['6+67=73', '84-73=11'] Exploring Operation: 18*11=198, Resulting Numbers: [198] 198,84 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 18+11=29, Resulting Numbers: [29] 29,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 84:[84, 91], Operations: ['6+67=73', '18+73=91'] Exploring Operation: 84+91=175, Resulting Numbers: [175] 175,84 unequal: No Solution Exploring Operation: 91-84=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 84*91=7644, Resulting Numbers: [7644] 7644,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[84, 55], Operations: ['6+67=73', '73-18=55'] Exploring Operation: 84*55=4620, Resulting Numbers: [4620] 4620,84 unequal: No Solution Exploring Operation: 84+55=139, Resulting Numbers: [139] 139,84 unequal: No Solution Exploring Operation: 84-55=29, Resulting Numbers: [29] 29,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[73, 102], Operations: ['6+67=73', '18+84=102'] Exploring Operation: 73+102=175, Resulting Numbers: [175] 175,84 unequal: No Solution Exploring Operation: 102-73=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 73*102=7446, Resulting Numbers: [7446] 7446,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 84:[73, 66], Operations: ['6+67=73', '84-18=66'] Exploring Operation: 73+66=139, Resulting Numbers: [139] 139,84 unequal: No Solution Exploring Operation: 73*66=4818, Resulting Numbers: [4818] 4818,84 unequal: No Solution Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 84:[84, 67, 12], Operations: ['18-6=12'] Exploring Operation: 84/12=7, Resulting Numbers: [67, 7] Generated Node #0,3,0: 84:[67, 7] Operation: 84/12=7 Exploring Operation: 67-12=55, Resulting Numbers: [84, 55] Generated Node #0,3,1: 84:[84, 55] Operation: 67-12=55 Exploring Operation: 84-67=17, Resulting Numbers: [12, 17] Generated Node #0,3,2: 84:[12, 17] Operation: 84-67=17 Exploring Operation: 84+12=96, Resulting Numbers: [67, 96] Generated Node #0,3,3: 84:[67, 96] Operation: 84+12=96 Exploring Operation: 67+12=79, Resulting Numbers: [84, 79] Generated Node #0,3,4: 84:[84, 79] Operation: 67+12=79 Moving to Node #0,3,2 Current State: 84:[12, 17], Operations: ['18-6=12', '84-67=17'] Exploring Operation: 12*17=204, Resulting Numbers: [204] 204,84 unequal: No Solution Exploring Operation: 12+17=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,84 unequal: No Solution Moving to Node #0,3,4 Current State: 84:[84, 79], Operations: ['18-6=12', '67+12=79'] Exploring Operation: 84-79=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 84*79=6636, Resulting Numbers: [6636] 6636,84 unequal: No Solution Exploring Operation: 84+79=163, Resulting Numbers: [163] 163,84 unequal: No Solution Moving to Node #0,3,1 Current State: 84:[84, 55], Operations: ['18-6=12', '67-12=55'] Exploring Operation: 84*55=4620, Resulting Numbers: [4620] 4620,84 unequal: No Solution Exploring Operation: 84-55=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 84+55=139, Resulting Numbers: [139] 139,84 unequal: No Solution Moving to Node #0,3,0 Current State: 84:[67, 7], Operations: ['18-6=12', '84/12=7'] Exploring Operation: 67*7=469, Resulting Numbers: [469] 469,84 unequal: No Solution Exploring Operation: 67+7=74, Resulting Numbers: [74] 74,84 unequal: No Solution Exploring Operation: 67-7=60, Resulting Numbers: [60] 60,84 unequal: No Solution Moving to Node #0,3,3 Current State: 84:[67, 96], Operations: ['18-6=12', '84+12=96'] Exploring Operation: 67+96=163, Resulting Numbers: [163] 163,84 unequal: No Solution Exploring Operation: 96-67=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 67*96=6432, Resulting Numbers: [6432] 6432,84 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
[ 5, 8, 28, 10 ]
86
[ "5*10=50", "8+28=36", "50+36=86" ]
Current State: 86:[5, 8, 28, 10], Operations: [] Exploring Operation: 5*10=50, Resulting Numbers: [8, 28, 50] Generated Node #2: [8, 28, 50] from Operation: 5*10=50 Current State: 86:[8, 28, 50], Operations: ['5*10=50'] Exploring Operation: 8+28=36, Resulting Numbers: [50, 36] Generated Node #3: [50, 36] from Operation: 8+28=36 Current State: 86:[50, 36], Operations: ['5*10=50', '8+28=36'] Exploring Operation: 50+36=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[5, 8, 28, 10], Operations: [] Exploring Operation: 28+10=38, Resulting Numbers: [5, 8, 38] Generated Node #0,0: 86:[5, 8, 38] Operation: 28+10=38 Exploring Operation: 10/5=2, Resulting Numbers: [8, 28, 2] Generated Node #0,1: 86:[8, 28, 2] Operation: 10/5=2 Exploring Operation: 8-5=3, Resulting Numbers: [28, 10, 3] Generated Node #0,2: 86:[28, 10, 3] Operation: 8-5=3 Exploring Operation: 8+28=36, Resulting Numbers: [5, 10, 36] Generated Node #0,3: 86:[5, 10, 36] Operation: 8+28=36 Exploring Operation: 10-8=2, Resulting Numbers: [5, 28, 2] Generated Node #0,4: 86:[5, 28, 2] Operation: 10-8=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[5, 8, 38], Operations: ['28+10=38'] Exploring Operation: 8+38=46, Resulting Numbers: [5, 46] Generated Node #0,0,0: 86:[5, 46] Operation: 8+38=46 Exploring Operation: 8-5=3, Resulting Numbers: [38, 3] Generated Node #0,0,1: 86:[38, 3] Operation: 8-5=3 Exploring Operation: 5+38=43, Resulting Numbers: [8, 43] Generated Node #0,0,2: 86:[8, 43] Operation: 5+38=43 Exploring Operation: 5+8=13, Resulting Numbers: [38, 13] Generated Node #0,0,3: 86:[38, 13] Operation: 5+8=13 Exploring Operation: 5*8=40, Resulting Numbers: [38, 40] Generated Node #0,0,4: 86:[38, 40] Operation: 5*8=40 Moving to Node #0,0,0 Current State: 86:[5, 46], Operations: ['28+10=38', '8+38=46'] Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,86 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,86 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[8, 43], Operations: ['28+10=38', '5+38=43'] Exploring Operation: 8+43=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 8*43=344, Resulting Numbers: [344] 344,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[38, 3], Operations: ['28+10=38', '8-5=3'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 38*3=114, Resulting Numbers: [114] 114,86 unequal: No Solution Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,86 unequal: No Solution Moving to Node #0,0,4 Current State: 86:[38, 40], Operations: ['28+10=38', '5*8=40'] Exploring Operation: 38+40=78, Resulting Numbers: [78] 78,86 unequal: No Solution Exploring Operation: 40-38=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 38*40=1520, Resulting Numbers: [1520] 1520,86 unequal: No Solution Moving to Node #0,0,3 Current State: 86:[38, 13], Operations: ['28+10=38', '5+8=13'] Exploring Operation: 38+13=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 38*13=494, Resulting Numbers: [494] 494,86 unequal: No Solution Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,86 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 #0,3 Current State: 86:[5, 10, 36], Operations: ['8+28=36'] Exploring Operation: 5*10=50, Resulting Numbers: [36, 50] Generated Node #0,3,0: 86:[36, 50] Operation: 5*10=50 Exploring Operation: 5+36=41, Resulting Numbers: [10, 41] Generated Node #0,3,1: 86:[10, 41] Operation: 5+36=41 Exploring Operation: 10+36=46, Resulting Numbers: [5, 46] Generated Node #0,3,2: 86:[5, 46] Operation: 10+36=46 Exploring Operation: 10/5=2, Resulting Numbers: [36, 2] Generated Node #0,3,3: 86:[36, 2] Operation: 10/5=2 Exploring Operation: 10-5=5, Resulting Numbers: [36, 5] Generated Node #0,3,4: 86:[36, 5] Operation: 10-5=5 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 86:[5, 46], Operations: ['8+28=36', '10+36=46'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,86 unequal: No Solution Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,86 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,86 unequal: No Solution No 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: 86:[36, 2], Operations: ['8+28=36', '10/5=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,86 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,86 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,86 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,86 unequal: No Solution No 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: 86:[10, 41], Operations: ['8+28=36', '5+36=41'] Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,86 unequal: No Solution Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,86 unequal: No Solution Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,86 unequal: No Solution No 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: 86:[36, 5], Operations: ['8+28=36', '10-5=5'] Exploring Operation: 36*5=180, Resulting Numbers: [180] 180,86 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,86 unequal: No Solution Exploring Operation: 36+5=41, Resulting Numbers: [41] 41,86 unequal: No Solution No 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: 86:[36, 50], Operations: ['8+28=36', '5*10=50'] Exploring Operation: 36+50=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[5, 8, 28, 10], Operations: [] Exploring Operation: 8+28=36, Resulting Numbers: [5, 10, 36] Generated Node #0,3: 86:[5, 10, 36] Operation: 8+28=36 Moving to Node #0,3 Current State: 86:[5, 10, 36], Operations: ['8+28=36'] Exploring Operation: 5*10=50, Resulting Numbers: [36, 50] Generated Node #0,3,0: 86:[36, 50] Operation: 5*10=50 Moving to Node #0,3,0 Current State: 86:[36, 50], Operations: ['8+28=36', '5*10=50'] Exploring Operation: 36+50=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.958333
hs_5
mult_heuristic
[ 5, 59, 62, 77 ]
39
[ "59-5=54", "77-62=15", "54-15=39" ]
Current State: 39:[5, 59, 62, 77], Operations: [] Exploring Operation: 59-5=54, Resulting Numbers: [62, 77, 54] Generated Node #2: [62, 77, 54] from Operation: 59-5=54 Current State: 39:[62, 77, 54], Operations: ['59-5=54'] Exploring Operation: 77-62=15, Resulting Numbers: [54, 15] Generated Node #3: [54, 15] from Operation: 77-62=15 Current State: 39:[54, 15], Operations: ['59-5=54', '77-62=15'] Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[5, 59, 62, 77], Operations: [] Exploring Operation: 62-59=3, Resulting Numbers: [5, 77, 3] Generated Node #0,0: 39:[5, 77, 3] Operation: 62-59=3 Exploring Operation: 77-59=18, Resulting Numbers: [5, 62, 18] Generated Node #0,1: 39:[5, 62, 18] Operation: 77-59=18 Exploring Operation: 77-62=15, Resulting Numbers: [5, 59, 15] Generated Node #0,2: 39:[5, 59, 15] Operation: 77-62=15 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[5, 59, 15], Operations: ['77-62=15'] Exploring Operation: 15/5=3, Resulting Numbers: [59, 3] Generated Node #0,2,0: 39:[59, 3] Operation: 15/5=3 Exploring Operation: 59-5=54, Resulting Numbers: [15, 54] Generated Node #0,2,1: 39:[15, 54] Operation: 59-5=54 Exploring Operation: 59-15=44, Resulting Numbers: [5, 44] Generated Node #0,2,2: 39:[5, 44] Operation: 59-15=44 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 39:[5, 44], Operations: ['77-62=15', '59-15=44'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[5, 59, 62, 77], Operations: [] Exploring Operation: 77-62=15, Resulting Numbers: [5, 59, 15] Generated Node #0,2: 39:[5, 59, 15] Operation: 77-62=15 Moving to Node #0,2 Current State: 39:[5, 59, 15], Operations: ['77-62=15'] Exploring Operation: 59-15=44, Resulting Numbers: [5, 44] Generated Node #0,2,2: 39:[5, 44] Operation: 59-15=44 Moving to Node #0,2,2 Current State: 39:[5, 44], Operations: ['77-62=15', '59-15=44'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 56, 79, 49, 77 ]
81
[ "77-49=28", "56/28=2", "79+2=81" ]
Current State: 81:[56, 79, 49, 77], Operations: [] Exploring Operation: 77-49=28, Resulting Numbers: [56, 79, 28] Generated Node #2: [56, 79, 28] from Operation: 77-49=28 Current State: 81:[56, 79, 28], Operations: ['77-49=28'] Exploring Operation: 56/28=2, Resulting Numbers: [79, 2] Generated Node #3: [79, 2] from Operation: 56/28=2 Current State: 81:[79, 2], Operations: ['77-49=28', '56/28=2'] Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[56, 79, 49, 77], Operations: [] Exploring Operation: 77-49=28, Resulting Numbers: [56, 79, 28] Generated Node #0,0: 81:[56, 79, 28] Operation: 77-49=28 Exploring Operation: 56-49=7, Resulting Numbers: [79, 77, 7] Generated Node #0,1: 81:[79, 77, 7] Operation: 56-49=7 Moving to Node #0,1 Current State: 81:[79, 77, 7], Operations: ['56-49=7'] Exploring Operation: 79-77=2, Resulting Numbers: [7, 2] Generated Node #0,1,0: 81:[7, 2] Operation: 79-77=2 Exploring Operation: 77/7=11, Resulting Numbers: [79, 11] Generated Node #0,1,1: 81:[79, 11] Operation: 77/7=11 Moving to Node #0,0 Current State: 81:[56, 79, 28], Operations: ['77-49=28'] Exploring Operation: 56/28=2, Resulting Numbers: [79, 2] Generated Node #0,0,0: 81:[79, 2] Operation: 56/28=2 Exploring Operation: 56-28=28, Resulting Numbers: [79, 28] Generated Node #0,0,1: 81:[79, 28] Operation: 56-28=28 Moving to Node #0,1,0 Current State: 81:[7, 2], Operations: ['56-49=7', '79-77=2'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[79, 2], Operations: ['77-49=28', '56/28=2'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,81 unequal: No Solution Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[56, 79, 49, 77], Operations: [] Exploring Operation: 77-49=28, Resulting Numbers: [56, 79, 28] Generated Node #0,0: 81:[56, 79, 28] Operation: 77-49=28 Moving to Node #0,0 Current State: 81:[56, 79, 28], Operations: ['77-49=28'] Exploring Operation: 56/28=2, Resulting Numbers: [79, 2] Generated Node #0,0,0: 81:[79, 2] Operation: 56/28=2 Moving to Node #0,0,0 Current State: 81:[79, 2], Operations: ['77-49=28', '56/28=2'] Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.987847
hs_2
mult_heuristic
[ 30, 58, 71, 88 ]
71
[ "30+58=88", "71+88=159", "159-88=71" ]
Current State: 71:[30, 58, 71, 88], Operations: [] Exploring Operation: 30+58=88, Resulting Numbers: [71, 88, 88] Generated Node #2: [71, 88, 88] from Operation: 30+58=88 Current State: 71:[71, 88, 88], Operations: ['30+58=88'] Exploring Operation: 71+88=159, Resulting Numbers: [159] 159,71 equal: Goal Reached Exploring Operation: 159-88=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[30, 58, 71, 88], Operations: [] Exploring Operation: 88-30=58, Resulting Numbers: [58, 71, 58] Generated Node #0,0: 71:[58, 71, 58] Operation: 88-30=58 Moving to Node #0,0 Current State: 71:[58, 71, 58], Operations: ['88-30=58'] Exploring Operation: 58+58=116, Resulting Numbers: [71, 116] Generated Node #0,0,0: 71:[71, 116] Operation: 58+58=116 Moving to Node #0,0,0 Current State: 71:[71, 116], Operations: ['88-30=58', '58+58=116'] Exploring Operation: 116-71=45, Resulting Numbers: [45] 45,71 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 33, 21, 55, 25 ]
77
[ "25-21=4", "33*4=132", "132-55=77" ]
Current State: 77:[33, 21, 55, 25], Operations: [] Exploring Operation: 25-21=4, Resulting Numbers: [33, 55, 4] Generated Node #2: [33, 55, 4] from Operation: 25-21=4 Current State: 77:[33, 55, 4], Operations: ['25-21=4'] Exploring Operation: 33*4=132, Resulting Numbers: [55, 132] Generated Node #3: [55, 132] from Operation: 33*4=132 Current State: 77:[55, 132], Operations: ['25-21=4', '33*4=132'] Exploring Operation: 132-55=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[33, 21, 55, 25], Operations: [] Exploring Operation: 33-25=8, Resulting Numbers: [21, 55, 8] Generated Node #0,0: 77:[21, 55, 8] Operation: 33-25=8 Moving to Node #0,0 Current State: 77:[21, 55, 8], Operations: ['33-25=8'] Exploring Operation: 21+55=76, Resulting Numbers: [8, 76] Generated Node #0,0,0: 77:[8, 76] Operation: 21+55=76 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[8, 76], Operations: ['33-25=8', '21+55=76'] Exploring Operation: 8+76=84, Resulting Numbers: [84] 84,77 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
[ 10, 51, 58, 30 ]
90
[ "10+51=61", "61-58=3", "30*3=90" ]
Current State: 90:[10, 51, 58, 30], Operations: [] Exploring Operation: 10+51=61, Resulting Numbers: [58, 30, 61] Generated Node #2: [58, 30, 61] from Operation: 10+51=61 Current State: 90:[58, 30, 61], Operations: ['10+51=61'] Exploring Operation: 61-58=3, Resulting Numbers: [30, 3] Generated Node #3: [30, 3] from Operation: 61-58=3 Current State: 90:[30, 3], Operations: ['10+51=61', '61-58=3'] Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[10, 51, 58, 30], Operations: [] Exploring Operation: 58+30=88, Resulting Numbers: [10, 51, 88] Generated Node #0,0: 90:[10, 51, 88] Operation: 58+30=88 Exploring Operation: 58-30=28, Resulting Numbers: [10, 51, 28] Generated Node #0,1: 90:[10, 51, 28] Operation: 58-30=28 Exploring Operation: 58-51=7, Resulting Numbers: [10, 30, 7] Generated Node #0,2: 90:[10, 30, 7] Operation: 58-51=7 Moving to Node #0,2 Current State: 90:[10, 30, 7], Operations: ['58-51=7'] Exploring Operation: 10-7=3, Resulting Numbers: [30, 3] Generated Node #0,2,0: 90:[30, 3] Operation: 10-7=3 Exploring Operation: 30/10=3, Resulting Numbers: [7, 3] Generated Node #0,2,1: 90:[7, 3] Operation: 30/10=3 Exploring Operation: 10+7=17, Resulting Numbers: [30, 17] Generated Node #0,2,2: 90:[30, 17] Operation: 10+7=17 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[30, 3], Operations: ['58-51=7', '10-7=3'] Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[10, 51, 58, 30], Operations: [] Exploring Operation: 58-51=7, Resulting Numbers: [10, 30, 7] Generated Node #0,2: 90:[10, 30, 7] Operation: 58-51=7 Moving to Node #0,2 Current State: 90:[10, 30, 7], Operations: ['58-51=7'] Exploring Operation: 10-7=3, Resulting Numbers: [30, 3] Generated Node #0,2,0: 90:[30, 3] Operation: 10-7=3 Moving to Node #0,2,0 Current State: 90:[30, 3], Operations: ['58-51=7', '10-7=3'] Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 5, 84, 50, 12 ]
38
[ "50-5=45", "84/12=7", "45-7=38" ]
Current State: 38:[5, 84, 50, 12], Operations: [] Exploring Operation: 50-5=45, Resulting Numbers: [84, 12, 45] Generated Node #2: [84, 12, 45] from Operation: 50-5=45 Current State: 38:[84, 12, 45], Operations: ['50-5=45'] Exploring Operation: 84/12=7, Resulting Numbers: [45, 7] Generated Node #3: [45, 7] from Operation: 84/12=7 Current State: 38:[45, 7], Operations: ['50-5=45', '84/12=7'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[5, 84, 50, 12], Operations: [] Exploring Operation: 50-12=38, Resulting Numbers: [5, 84, 38] Generated Node #0,0: 38:[5, 84, 38] Operation: 50-12=38 Exploring Operation: 84/12=7, Resulting Numbers: [5, 50, 7] Generated Node #0,1: 38:[5, 50, 7] Operation: 84/12=7 Exploring Operation: 84-12=72, Resulting Numbers: [5, 50, 72] Generated Node #0,2: 38:[5, 50, 72] Operation: 84-12=72 Exploring Operation: 84-50=34, Resulting Numbers: [5, 12, 34] Generated Node #0,3: 38:[5, 12, 34] Operation: 84-50=34 Moving to Node #0,3 Current State: 38:[5, 12, 34], Operations: ['84-50=34'] Exploring Operation: 5+12=17, Resulting Numbers: [34, 17] Generated Node #0,3,0: 38:[34, 17] Operation: 5+12=17 Exploring Operation: 34-12=22, Resulting Numbers: [5, 22] Generated Node #0,3,1: 38:[5, 22] Operation: 34-12=22 Exploring Operation: 12-5=7, Resulting Numbers: [34, 7] Generated Node #0,3,2: 38:[34, 7] Operation: 12-5=7 Exploring Operation: 5+34=39, Resulting Numbers: [12, 39] Generated Node #0,3,3: 38:[12, 39] Operation: 5+34=39 Moving to Node #0,1 Current State: 38:[5, 50, 7], Operations: ['84/12=7'] Exploring Operation: 50-5=45, Resulting Numbers: [7, 45] Generated Node #0,1,0: 38:[7, 45] Operation: 50-5=45 Exploring Operation: 50/5=10, Resulting Numbers: [7, 10] Generated Node #0,1,1: 38:[7, 10] Operation: 50/5=10 Exploring Operation: 7-5=2, Resulting Numbers: [50, 2] Generated Node #0,1,2: 38:[50, 2] Operation: 7-5=2 Exploring Operation: 50-7=43, Resulting Numbers: [5, 43] Generated Node #0,1,3: 38:[5, 43] Operation: 50-7=43 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 38:[5, 43], Operations: ['84/12=7', '50-7=43'] Exploring Operation: 5*43=215, Resulting Numbers: [215] 215,38 unequal: No Solution Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[5, 84, 50, 12], Operations: [] Exploring Operation: 84/12=7, Resulting Numbers: [5, 50, 7] Generated Node #0,1: 38:[5, 50, 7] Operation: 84/12=7 Moving to Node #0,1 Current State: 38:[5, 50, 7], Operations: ['84/12=7'] Exploring Operation: 50-7=43, Resulting Numbers: [5, 43] Generated Node #0,1,3: 38:[5, 43] Operation: 50-7=43 Moving to Node #0,1,3 Current State: 38:[5, 43], Operations: ['84/12=7', '50-7=43'] Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 77, 49, 96, 95 ]
29
[ "77-49=28", "96-95=1", "28+1=29" ]
Current State: 29:[77, 49, 96, 95], Operations: [] Exploring Operation: 77-49=28, Resulting Numbers: [96, 95, 28] Generated Node #2: [96, 95, 28] from Operation: 77-49=28 Current State: 29:[96, 95, 28], Operations: ['77-49=28'] Exploring Operation: 96-95=1, Resulting Numbers: [28, 1] Generated Node #3: [28, 1] from Operation: 96-95=1 Current State: 29:[28, 1], Operations: ['77-49=28', '96-95=1'] Exploring Operation: 28+1=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[77, 49, 96, 95], Operations: [] Exploring Operation: 96-95=1, Resulting Numbers: [77, 49, 1] Generated Node #0,0: 29:[77, 49, 1] Operation: 96-95=1 Exploring Operation: 95-77=18, Resulting Numbers: [49, 96, 18] Generated Node #0,1: 29:[49, 96, 18] Operation: 95-77=18 Exploring Operation: 95-49=46, Resulting Numbers: [77, 96, 46] Generated Node #0,2: 29:[77, 96, 46] Operation: 95-49=46 Exploring Operation: 96-77=19, Resulting Numbers: [49, 95, 19] Generated Node #0,3: 29:[49, 95, 19] Operation: 96-77=19 Exploring Operation: 96-49=47, Resulting Numbers: [77, 95, 47] Generated Node #0,4: 29:[77, 95, 47] Operation: 96-49=47 Moving to Node #0,0 Current State: 29:[77, 49, 1], Operations: ['96-95=1'] Exploring Operation: 77/1=77, Resulting Numbers: [49, 77] Generated Node #0,0,0: 29:[49, 77] Operation: 77/1=77 Exploring Operation: 77-1=76, Resulting Numbers: [49, 76] Generated Node #0,0,1: 29:[49, 76] Operation: 77-1=76 Exploring Operation: 77*1=77, Resulting Numbers: [49, 77] Generated Node #0,0,2: 29:[49, 77] Operation: 77*1=77 Exploring Operation: 49-1=48, Resulting Numbers: [77, 48] Generated Node #0,0,3: 29:[77, 48] Operation: 49-1=48 Exploring Operation: 77-49=28, Resulting Numbers: [1, 28] Generated Node #0,0,4: 29:[1, 28] Operation: 77-49=28 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 29:[1, 28], Operations: ['96-95=1', '77-49=28'] Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[77, 49, 96, 95], Operations: [] Exploring Operation: 96-95=1, Resulting Numbers: [77, 49, 1] Generated Node #0,0: 29:[77, 49, 1] Operation: 96-95=1 Moving to Node #0,0 Current State: 29:[77, 49, 1], Operations: ['96-95=1'] Exploring Operation: 77-49=28, Resulting Numbers: [1, 28] Generated Node #0,0,4: 29:[1, 28] Operation: 77-49=28 Moving to Node #0,0,4 Current State: 29:[1, 28], Operations: ['96-95=1', '77-49=28'] Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 37, 69, 82, 4 ]
20
[ "37+69=106", "82+4=86", "106-86=20" ]
Current State: 20:[37, 69, 82, 4], Operations: [] Exploring Operation: 37+69=106, Resulting Numbers: [82, 4, 106] Generated Node #2: [82, 4, 106] from Operation: 37+69=106 Current State: 20:[82, 4, 106], Operations: ['37+69=106'] Exploring Operation: 82+4=86, Resulting Numbers: [106, 86] Generated Node #3: [106, 86] from Operation: 82+4=86 Current State: 20:[106, 86], Operations: ['37+69=106', '82+4=86'] Exploring Operation: 106-86=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[37, 69, 82, 4], Operations: [] Exploring Operation: 69-37=32, Resulting Numbers: [82, 4, 32] Generated Node #0,0: 20:[82, 4, 32] Operation: 69-37=32 Exploring Operation: 82-69=13, Resulting Numbers: [37, 4, 13] Generated Node #0,1: 20:[37, 4, 13] Operation: 82-69=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[37, 4, 13], Operations: ['82-69=13'] Exploring Operation: 37-13=24, Resulting Numbers: [4, 24] Generated Node #0,1,0: 20:[4, 24] Operation: 37-13=24 Exploring Operation: 37-4=33, Resulting Numbers: [13, 33] Generated Node #0,1,1: 20:[13, 33] Operation: 37-4=33 Moving to Node #0,1,0 Current State: 20:[4, 24], Operations: ['82-69=13', '37-13=24'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[37, 69, 82, 4], Operations: [] Exploring Operation: 82-69=13, Resulting Numbers: [37, 4, 13] Generated Node #0,1: 20:[37, 4, 13] Operation: 82-69=13 Moving to Node #0,1 Current State: 20:[37, 4, 13], Operations: ['82-69=13'] Exploring Operation: 37-13=24, Resulting Numbers: [4, 24] Generated Node #0,1,0: 20:[4, 24] Operation: 37-13=24 Moving to Node #0,1,0 Current State: 20:[4, 24], Operations: ['82-69=13', '37-13=24'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 72, 7, 66, 8 ]
55
[ "72-66=6", "8*6=48", "7+48=55" ]
Current State: 55:[72, 7, 66, 8], Operations: [] Exploring Operation: 72-66=6, Resulting Numbers: [7, 8, 6] Generated Node #2: [7, 8, 6] from Operation: 72-66=6 Current State: 55:[7, 8, 6], Operations: ['72-66=6'] Exploring Operation: 8*6=48, Resulting Numbers: [7, 48] Generated Node #3: [7, 48] from Operation: 8*6=48 Current State: 55:[7, 48], Operations: ['72-66=6', '8*6=48'] Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[72, 7, 66, 8], Operations: [] Exploring Operation: 72-66=6, Resulting Numbers: [7, 8, 6] Generated Node #0,0: 55:[7, 8, 6] Operation: 72-66=6 Moving to Node #0,0 Current State: 55:[7, 8, 6], Operations: ['72-66=6'] Exploring Operation: 7*8=56, Resulting Numbers: [6, 56] Generated Node #0,0,0: 55:[6, 56] Operation: 7*8=56 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[6, 56], Operations: ['72-66=6', '7*8=56'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,55 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
[ 58, 24, 38, 11 ]
61
[ "58-24=34", "38-11=27", "34+27=61" ]
Current State: 61:[58, 24, 38, 11], Operations: [] Exploring Operation: 58-24=34, Resulting Numbers: [38, 11, 34] Generated Node #2: [38, 11, 34] from Operation: 58-24=34 Current State: 61:[38, 11, 34], Operations: ['58-24=34'] Exploring Operation: 38-11=27, Resulting Numbers: [34, 27] Generated Node #3: [34, 27] from Operation: 38-11=27 Current State: 61:[34, 27], Operations: ['58-24=34', '38-11=27'] Exploring Operation: 34+27=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[58, 24, 38, 11], Operations: [] Exploring Operation: 24+11=35, Resulting Numbers: [58, 38, 35] Generated Node #0,0: 61:[58, 38, 35] Operation: 24+11=35 Exploring Operation: 38+11=49, Resulting Numbers: [58, 24, 49] Generated Node #0,1: 61:[58, 24, 49] Operation: 38+11=49 Exploring Operation: 24+38=62, Resulting Numbers: [58, 11, 62] Generated Node #0,2: 61:[58, 11, 62] Operation: 24+38=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[58, 38, 35], Operations: ['24+11=35'] Exploring Operation: 38+35=73, Resulting Numbers: [58, 73] Generated Node #0,0,0: 61:[58, 73] Operation: 38+35=73 Exploring Operation: 58+38=96, Resulting Numbers: [35, 96] Generated Node #0,0,1: 61:[35, 96] Operation: 58+38=96 Exploring Operation: 58+35=93, Resulting Numbers: [38, 93] Generated Node #0,0,2: 61:[38, 93] Operation: 58+35=93 Moving to Node #0,0,0 Current State: 61:[58, 73], Operations: ['24+11=35', '38+35=73'] Exploring Operation: 58+73=131, Resulting Numbers: [131] 131,61 unequal: No Solution Exploring Operation: 73-58=15, Resulting Numbers: [15] 15,61 unequal: No Solution Exploring Operation: 58*73=4234, Resulting Numbers: [4234] 4234,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[38, 93], Operations: ['24+11=35', '58+35=93'] Exploring Operation: 93-38=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 38*93=3534, Resulting Numbers: [3534] 3534,61 unequal: No Solution Exploring Operation: 38+93=131, Resulting Numbers: [131] 131,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[35, 96], Operations: ['24+11=35', '58+38=96'] Exploring Operation: 96-35=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[58, 24, 38, 11], Operations: [] Exploring Operation: 24+11=35, Resulting Numbers: [58, 38, 35] Generated Node #0,0: 61:[58, 38, 35] Operation: 24+11=35 Moving to Node #0,0 Current State: 61:[58, 38, 35], Operations: ['24+11=35'] Exploring Operation: 58+38=96, Resulting Numbers: [35, 96] Generated Node #0,0,1: 61:[35, 96] Operation: 58+38=96 Moving to Node #0,0,1 Current State: 61:[35, 96], Operations: ['24+11=35', '58+38=96'] Exploring Operation: 96-35=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 6, 91, 63, 56 ]
14
[ "91-63=28", "56+28=84", "84/6=14" ]
Current State: 14:[6, 91, 63, 56], Operations: [] Exploring Operation: 91-63=28, Resulting Numbers: [6, 56, 28] Generated Node #2: [6, 56, 28] from Operation: 91-63=28 Current State: 14:[6, 56, 28], Operations: ['91-63=28'] Exploring Operation: 56+28=84, Resulting Numbers: [6, 84] Generated Node #3: [6, 84] from Operation: 56+28=84 Current State: 14:[6, 84], Operations: ['91-63=28', '56+28=84'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[6, 91, 63, 56], Operations: [] Exploring Operation: 91-63=28, Resulting Numbers: [6, 56, 28] Generated Node #0,0: 14:[6, 56, 28] Operation: 91-63=28 Exploring Operation: 91-6=85, Resulting Numbers: [63, 56, 85] Generated Node #0,1: 14:[63, 56, 85] Operation: 91-6=85 Exploring Operation: 63-56=7, Resulting Numbers: [6, 91, 7] Generated Node #0,2: 14:[6, 91, 7] Operation: 63-56=7 Exploring Operation: 91-56=35, Resulting Numbers: [6, 63, 35] Generated Node #0,3: 14:[6, 63, 35] Operation: 91-56=35 Moving to Node #0,0 Current State: 14:[6, 56, 28], Operations: ['91-63=28'] Exploring Operation: 56-28=28, Resulting Numbers: [6, 28] Generated Node #0,0,0: 14:[6, 28] Operation: 56-28=28 Exploring Operation: 56/28=2, Resulting Numbers: [6, 2] Generated Node #0,0,1: 14:[6, 2] Operation: 56/28=2 Exploring Operation: 28-6=22, Resulting Numbers: [56, 22] Generated Node #0,0,2: 14:[56, 22] Operation: 28-6=22 Exploring Operation: 56-6=50, Resulting Numbers: [28, 50] Generated Node #0,0,3: 14:[28, 50] Operation: 56-6=50 Moving to Node #0,3 Current State: 14:[6, 63, 35], Operations: ['91-56=35'] Exploring Operation: 6+63=69, Resulting Numbers: [35, 69] Generated Node #0,3,0: 14:[35, 69] Operation: 6+63=69 Exploring Operation: 63-6=57, Resulting Numbers: [35, 57] Generated Node #0,3,1: 14:[35, 57] Operation: 63-6=57 Exploring Operation: 63-35=28, Resulting Numbers: [6, 28] Generated Node #0,3,2: 14:[6, 28] Operation: 63-35=28 Exploring Operation: 35-6=29, Resulting Numbers: [63, 29] Generated Node #0,3,3: 14:[63, 29] Operation: 35-6=29 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 14:[6, 28], Operations: ['91-56=35', '63-35=28'] Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 6*28=168, Resulting Numbers: [168] 168,14 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 14:[35, 57], Operations: ['91-56=35', '63-6=57'] Exploring Operation: 35*57=1995, Resulting Numbers: [1995] 1995,14 unequal: No Solution Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,14 unequal: No Solution Exploring Operation: 35+57=92, Resulting Numbers: [92] 92,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 14:[63, 29], Operations: ['91-56=35', '35-6=29'] Exploring Operation: 63*29=1827, Resulting Numbers: [1827] 1827,14 unequal: No Solution Exploring Operation: 63+29=92, Resulting Numbers: [92] 92,14 unequal: No Solution Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 14:[35, 69], Operations: ['91-56=35', '6+63=69'] Exploring Operation: 35+69=104, Resulting Numbers: [104] 104,14 unequal: No Solution Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 35*69=2415, Resulting Numbers: [2415] 2415,14 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: 14:[6, 91, 7], Operations: ['63-56=7'] Exploring Operation: 6+7=13, Resulting Numbers: [91, 13] Generated Node #0,2,0: 14:[91, 13] Operation: 6+7=13 Exploring Operation: 91-7=84, Resulting Numbers: [6, 84] Generated Node #0,2,1: 14:[6, 84] Operation: 91-7=84 Exploring Operation: 91-6=85, Resulting Numbers: [7, 85] Generated Node #0,2,2: 14:[7, 85] Operation: 91-6=85 Exploring Operation: 91/7=13, Resulting Numbers: [6, 13] Generated Node #0,2,3: 14:[6, 13] Operation: 91/7=13 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 14:[6, 13], Operations: ['63-56=7', '91/7=13'] Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,14 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,14 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 14:[6, 84], Operations: ['63-56=7', '91-7=84'] Exploring Operation: 6+84=90, Resulting Numbers: [90] 90,14 unequal: No Solution Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,14 unequal: No Solution Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[6, 91, 63, 56], Operations: [] Exploring Operation: 63-56=7, Resulting Numbers: [6, 91, 7] Generated Node #0,2: 14:[6, 91, 7] Operation: 63-56=7 Moving to Node #0,2 Current State: 14:[6, 91, 7], Operations: ['63-56=7'] Exploring Operation: 91-7=84, Resulting Numbers: [6, 84] Generated Node #0,2,1: 14:[6, 84] Operation: 91-7=84 Moving to Node #0,2,1 Current State: 14:[6, 84], Operations: ['63-56=7', '91-7=84'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
mult_heuristic
[ 2, 37, 78, 40 ]
28
[ "40-37=3", "78/3=26", "2+26=28" ]
Current State: 28:[2, 37, 78, 40], Operations: [] Exploring Operation: 40-37=3, Resulting Numbers: [2, 78, 3] Generated Node #2: [2, 78, 3] from Operation: 40-37=3 Current State: 28:[2, 78, 3], Operations: ['40-37=3'] Exploring Operation: 78/3=26, Resulting Numbers: [2, 26] Generated Node #3: [2, 26] from Operation: 78/3=26 Current State: 28:[2, 26], Operations: ['40-37=3', '78/3=26'] Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[2, 37, 78, 40], Operations: [] Exploring Operation: 78-40=38, Resulting Numbers: [2, 37, 38] Generated Node #0,0: 28:[2, 37, 38] Operation: 78-40=38 Moving to Node #0,0 Current State: 28:[2, 37, 38], Operations: ['78-40=38'] Exploring Operation: 38-37=1, Resulting Numbers: [2, 1] Generated Node #0,0,0: 28:[2, 1] Operation: 38-37=1 Moving to Node #0,0,0 Current State: 28:[2, 1], Operations: ['78-40=38', '38-37=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,28 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 69, 85, 23, 27 ]
65
[ "85+23=108", "108/27=4", "69-4=65" ]
Current State: 65:[69, 85, 23, 27], Operations: [] Exploring Operation: 85+23=108, Resulting Numbers: [69, 27, 108] Generated Node #2: [69, 27, 108] from Operation: 85+23=108 Current State: 65:[69, 27, 108], Operations: ['85+23=108'] Exploring Operation: 108/27=4, Resulting Numbers: [69, 4] Generated Node #3: [69, 4] from Operation: 108/27=4 Current State: 65:[69, 4], Operations: ['85+23=108', '108/27=4'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[69, 85, 23, 27], Operations: [] Exploring Operation: 85-69=16, Resulting Numbers: [23, 27, 16] Generated Node #0,0: 65:[23, 27, 16] Operation: 85-69=16 Exploring Operation: 85-27=58, Resulting Numbers: [69, 23, 58] Generated Node #0,1: 65:[69, 23, 58] Operation: 85-27=58 Exploring Operation: 85-23=62, Resulting Numbers: [69, 27, 62] Generated Node #0,2: 65:[69, 27, 62] Operation: 85-23=62 Exploring Operation: 27-23=4, Resulting Numbers: [69, 85, 4] Generated Node #0,3: 65:[69, 85, 4] Operation: 27-23=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[69, 23, 58], Operations: ['85-27=58'] Exploring Operation: 23+58=81, Resulting Numbers: [69, 81] Generated Node #0,1,0: 65:[69, 81] Operation: 23+58=81 Exploring Operation: 69-58=11, Resulting Numbers: [23, 11] Generated Node #0,1,1: 65:[23, 11] Operation: 69-58=11 Exploring Operation: 69/23=3, Resulting Numbers: [58, 3] Generated Node #0,1,2: 65:[58, 3] Operation: 69/23=3 Exploring Operation: 69-23=46, Resulting Numbers: [58, 46] Generated Node #0,1,3: 65:[58, 46] Operation: 69-23=46 Moving to Node #0,1,2 Current State: 65:[58, 3], Operations: ['85-27=58', '69/23=3'] Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,65 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,65 unequal: No Solution Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[23, 11], Operations: ['85-27=58', '69-58=11'] Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,65 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[69, 81], Operations: ['85-27=58', '23+58=81'] Exploring Operation: 69+81=150, Resulting Numbers: [150] 150,65 unequal: No Solution Exploring Operation: 81-69=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 69*81=5589, Resulting Numbers: [5589] 5589,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[58, 46], Operations: ['85-27=58', '69-23=46'] Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 58*46=2668, Resulting Numbers: [2668] 2668,65 unequal: No Solution Exploring Operation: 58+46=104, Resulting Numbers: [104] 104,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[69, 27, 62], Operations: ['85-23=62'] Exploring Operation: 69-62=7, Resulting Numbers: [27, 7] Generated Node #0,2,0: 65:[27, 7] Operation: 69-62=7 Exploring Operation: 27+62=89, Resulting Numbers: [69, 89] Generated Node #0,2,1: 65:[69, 89] Operation: 27+62=89 Exploring Operation: 69-27=42, Resulting Numbers: [62, 42] Generated Node #0,2,2: 65:[62, 42] Operation: 69-27=42 Exploring Operation: 62-27=35, Resulting Numbers: [69, 35] Generated Node #0,2,3: 65:[69, 35] Operation: 62-27=35 Moving to Node #0,2,0 Current State: 65:[27, 7], Operations: ['85-23=62', '69-62=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,65 unequal: No Solution Moving to Node #0,2,3 Current State: 65:[69, 35], Operations: ['85-23=62', '62-27=35'] Exploring Operation: 69*35=2415, Resulting Numbers: [2415] 2415,65 unequal: No Solution Exploring Operation: 69+35=104, Resulting Numbers: [104] 104,65 unequal: No Solution Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[62, 42], Operations: ['85-23=62', '69-27=42'] Exploring Operation: 62-42=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 62+42=104, Resulting Numbers: [104] 104,65 unequal: No Solution Exploring Operation: 62*42=2604, Resulting Numbers: [2604] 2604,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[69, 89], Operations: ['85-23=62', '27+62=89'] Exploring Operation: 69+89=158, Resulting Numbers: [158] 158,65 unequal: No Solution Exploring Operation: 89-69=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 69*89=6141, Resulting Numbers: [6141] 6141,65 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 #0,3 Current State: 65:[69, 85, 4], Operations: ['27-23=4'] Exploring Operation: 69-4=65, Resulting Numbers: [85, 65] Generated Node #0,3,0: 65:[85, 65] Operation: 69-4=65 Exploring Operation: 85-4=81, Resulting Numbers: [69, 81] Generated Node #0,3,1: 65:[69, 81] Operation: 85-4=81 Exploring Operation: 69+4=73, Resulting Numbers: [85, 73] Generated Node #0,3,2: 65:[85, 73] Operation: 69+4=73 Exploring Operation: 85-69=16, Resulting Numbers: [4, 16] Generated Node #0,3,3: 65:[4, 16] Operation: 85-69=16 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 65:[4, 16], Operations: ['27-23=4', '85-69=16'] Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,65 unequal: No Solution No 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: 65:[85, 65], Operations: ['27-23=4', '69-4=65'] Exploring Operation: 85+65=150, Resulting Numbers: [150] 150,65 unequal: No Solution Exploring Operation: 85*65=5525, Resulting Numbers: [5525] 5525,65 unequal: No Solution Exploring Operation: 85-65=20, Resulting Numbers: [20] 20,65 unequal: No Solution No 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: 65:[69, 81], Operations: ['27-23=4', '85-4=81'] Exploring Operation: 81-69=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 69+81=150, Resulting Numbers: [150] 150,65 unequal: No Solution Exploring Operation: 69*81=5589, Resulting Numbers: [5589] 5589,65 unequal: No Solution No 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: 65:[85, 73], Operations: ['27-23=4', '69+4=73'] Exploring Operation: 85-73=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 85+73=158, Resulting Numbers: [158] 158,65 unequal: No Solution Exploring Operation: 85*73=6205, Resulting Numbers: [6205] 6205,65 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: 65:[23, 27, 16], Operations: ['85-69=16'] Exploring Operation: 27-16=11, Resulting Numbers: [23, 11] Generated Node #0,0,0: 65:[23, 11] Operation: 27-16=11 Exploring Operation: 23-16=7, Resulting Numbers: [27, 7] Generated Node #0,0,1: 65:[27, 7] Operation: 23-16=7 Exploring Operation: 23+27=50, Resulting Numbers: [16, 50] Generated Node #0,0,2: 65:[16, 50] Operation: 23+27=50 Exploring Operation: 27-23=4, Resulting Numbers: [16, 4] Generated Node #0,0,3: 65:[16, 4] Operation: 27-23=4 Moving to Node #0,0,3 Current State: 65:[16, 4], Operations: ['85-69=16', '27-23=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,65 unequal: No Solution Moving to Node #0,0,0 Current State: 65:[23, 11], Operations: ['85-69=16', '27-16=11'] Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[27, 7], Operations: ['85-69=16', '23-16=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[16, 50], Operations: ['85-69=16', '23+27=50'] Exploring Operation: 16+50=66, Resulting Numbers: [66] 66,65 unequal: No Solution Exploring Operation: 16*50=800, Resulting Numbers: [800] 800,65 unequal: No Solution Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 10, 54, 2, 10 ]
59
[ "10+54=64", "10/2=5", "64-5=59" ]
Current State: 59:[10, 54, 2, 10], Operations: [] Exploring Operation: 10+54=64, Resulting Numbers: [2, 64] Generated Node #2: [2, 64] from Operation: 10+54=64 Current State: 59:[2, 64], Operations: ['10+54=64'] Exploring Operation: 10/2=5, Resulting Numbers: [64, 5] Generated Node #3: [64, 5] from Operation: 10/2=5 Current State: 59:[64, 5], Operations: ['10+54=64', '10/2=5'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[10, 54, 2, 10], Operations: [] Exploring Operation: 10*2=20, Resulting Numbers: [54, 10, 20] Generated Node #0,0: 59:[54, 10, 20] Operation: 10*2=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[54, 10, 20], Operations: ['10*2=20'] Exploring Operation: 10+20=30, Resulting Numbers: [54, 30] Generated Node #0,0,0: 59:[54, 30] Operation: 10+20=30 Moving to Node #0,0,0 Current State: 59:[54, 30], Operations: ['10*2=20', '10+20=30'] Exploring Operation: 54+30=84, Resulting Numbers: [84] 84,59 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
[ 1, 12, 4, 6 ]
36
[ "1*12=12", "4*6=24", "12+24=36" ]
Current State: 36:[1, 12, 4, 6], Operations: [] Exploring Operation: 1*12=12, Resulting Numbers: [4, 6, 12] Generated Node #2: [4, 6, 12] from Operation: 1*12=12 Current State: 36:[4, 6, 12], Operations: ['1*12=12'] Exploring Operation: 4*6=24, Resulting Numbers: [12, 24] Generated Node #3: [12, 24] from Operation: 4*6=24 Current State: 36:[12, 24], Operations: ['1*12=12', '4*6=24'] Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[1, 12, 4, 6], Operations: [] Exploring Operation: 12/1=12, Resulting Numbers: [4, 6, 12] Generated Node #0,0: 36:[4, 6, 12] Operation: 12/1=12 Exploring Operation: 1*12=12, Resulting Numbers: [4, 6, 12] Generated Node #0,1: 36:[4, 6, 12] Operation: 1*12=12 Exploring Operation: 1*4=4, Resulting Numbers: [12, 6, 4] Generated Node #0,2: 36:[12, 6, 4] Operation: 1*4=4 Moving to Node #0,0 Current State: 36:[4, 6, 12], Operations: ['12/1=12'] Exploring Operation: 12/4=3, Resulting Numbers: [6, 3] Generated Node #0,0,0: 36:[6, 3] Operation: 12/4=3 Exploring Operation: 6-4=2, Resulting Numbers: [12, 2] Generated Node #0,0,1: 36:[12, 2] Operation: 6-4=2 Exploring Operation: 6+12=18, Resulting Numbers: [4, 18] Generated Node #0,0,2: 36:[4, 18] Operation: 6+12=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[6, 3], Operations: ['12/1=12', '12/4=3'] Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[12, 2], Operations: ['12/1=12', '6-4=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 36:[4, 18], Operations: ['12/1=12', '6+12=18'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,36 unequal: No Solution Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 36:[4, 6, 12], Operations: ['1*12=12'] Exploring Operation: 6-4=2, Resulting Numbers: [12, 2] Generated Node #0,1,0: 36:[12, 2] Operation: 6-4=2 Exploring Operation: 6+12=18, Resulting Numbers: [4, 18] Generated Node #0,1,1: 36:[4, 18] Operation: 6+12=18 Exploring Operation: 12/4=3, Resulting Numbers: [6, 3] Generated Node #0,1,2: 36:[6, 3] Operation: 12/4=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 36:[12, 2], Operations: ['1*12=12', '6-4=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[4, 18], Operations: ['1*12=12', '6+12=18'] Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,36 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 36:[6, 3], Operations: ['1*12=12', '12/4=3'] Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 36:[12, 6, 4], Operations: ['1*4=4'] Exploring Operation: 12-6=6, Resulting Numbers: [4, 6] Generated Node #0,2,0: 36:[4, 6] Operation: 12-6=6 Exploring Operation: 12+6=18, Resulting Numbers: [4, 18] Generated Node #0,2,1: 36:[4, 18] Operation: 12+6=18 Exploring Operation: 12/6=2, Resulting Numbers: [4, 2] Generated Node #0,2,2: 36:[4, 2] Operation: 12/6=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 36:[4, 6], Operations: ['1*4=4', '12-6=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,36 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 36:[4, 18], Operations: ['1*4=4', '12+6=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,36 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 36:[4, 2], Operations: ['1*4=4', '12/6=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 59, 22, 54, 73 ]
37
[ "59-54=5", "22*5=110", "110-73=37" ]
Current State: 37:[59, 22, 54, 73], Operations: [] Exploring Operation: 59-54=5, Resulting Numbers: [22, 73, 5] Generated Node #2: [22, 73, 5] from Operation: 59-54=5 Current State: 37:[22, 73, 5], Operations: ['59-54=5'] Exploring Operation: 22*5=110, Resulting Numbers: [73, 110] Generated Node #3: [73, 110] from Operation: 22*5=110 Current State: 37:[73, 110], Operations: ['59-54=5', '22*5=110'] Exploring Operation: 110-73=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[59, 22, 54, 73], Operations: [] Exploring Operation: 59-22=37, Resulting Numbers: [54, 73, 37] Generated Node #0,0: 37:[54, 73, 37] Operation: 59-22=37 Exploring Operation: 73-22=51, Resulting Numbers: [59, 54, 51] Generated Node #0,1: 37:[59, 54, 51] Operation: 73-22=51 Moving to Node #0,0 Current State: 37:[54, 73, 37], Operations: ['59-22=37'] Exploring Operation: 73-54=19, Resulting Numbers: [37, 19] Generated Node #0,0,0: 37:[37, 19] Operation: 73-54=19 Exploring Operation: 73-37=36, Resulting Numbers: [54, 36] Generated Node #0,0,1: 37:[54, 36] Operation: 73-37=36 Moving to Node #0,1 Current State: 37:[59, 54, 51], Operations: ['73-22=51'] Exploring Operation: 59-54=5, Resulting Numbers: [51, 5] Generated Node #0,1,0: 37:[51, 5] Operation: 59-54=5 Exploring Operation: 59-51=8, Resulting Numbers: [54, 8] Generated Node #0,1,1: 37:[54, 8] Operation: 59-51=8 Moving to Node #0,0,0 Current State: 37:[37, 19], Operations: ['59-22=37', '73-54=19'] Exploring Operation: 37+19=56, Resulting Numbers: [56] 56,37 unequal: No Solution Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[54, 36], Operations: ['59-22=37', '73-37=36'] Exploring Operation: 54+36=90, Resulting Numbers: [90] 90,37 unequal: No Solution Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[54, 8], Operations: ['73-22=51', '59-51=8'] Exploring Operation: 54+8=62, Resulting Numbers: [62] 62,37 unequal: No Solution Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[51, 5], Operations: ['73-22=51', '59-54=5'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,37 unequal: No Solution Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,37 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 75, 71, 90, 4 ]
11
[ "90-75=15", "4*15=60", "71-60=11" ]
Current State: 11:[75, 71, 90, 4], Operations: [] Exploring Operation: 90-75=15, Resulting Numbers: [71, 4, 15] Generated Node #2: [71, 4, 15] from Operation: 90-75=15 Current State: 11:[71, 4, 15], Operations: ['90-75=15'] Exploring Operation: 4*15=60, Resulting Numbers: [71, 60] Generated Node #3: [71, 60] from Operation: 4*15=60 Current State: 11:[71, 60], Operations: ['90-75=15', '4*15=60'] Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[75, 71, 90, 4], Operations: [] Exploring Operation: 90-75=15, Resulting Numbers: [71, 4, 15] Generated Node #0,0: 11:[71, 4, 15] Operation: 90-75=15 Moving to Node #0,0 Current State: 11:[71, 4, 15], Operations: ['90-75=15'] Exploring Operation: 71-15=56, Resulting Numbers: [4, 56] Generated Node #0,0,0: 11:[4, 56] Operation: 71-15=56 Moving to Node #0,0,0 Current State: 11:[4, 56], Operations: ['90-75=15', '71-15=56'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,11 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 85, 17, 54, 44 ]
30
[ "85-17=68", "54+44=98", "98-68=30" ]
Current State: 30:[85, 17, 54, 44], Operations: [] Exploring Operation: 85-17=68, Resulting Numbers: [54, 44, 68] Generated Node #2: [54, 44, 68] from Operation: 85-17=68 Current State: 30:[54, 44, 68], Operations: ['85-17=68'] Exploring Operation: 54+44=98, Resulting Numbers: [68, 98] Generated Node #3: [68, 98] from Operation: 54+44=98 Current State: 30:[68, 98], Operations: ['85-17=68', '54+44=98'] Exploring Operation: 98-68=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[85, 17, 54, 44], Operations: [] Exploring Operation: 85-44=41, Resulting Numbers: [17, 54, 41] Generated Node #0,0: 30:[17, 54, 41] Operation: 85-44=41 Exploring Operation: 85-54=31, Resulting Numbers: [17, 44, 31] Generated Node #0,1: 30:[17, 44, 31] Operation: 85-54=31 Exploring Operation: 85/17=5, Resulting Numbers: [54, 44, 5] Generated Node #0,2: 30:[54, 44, 5] Operation: 85/17=5 Moving to Node #0,1 Current State: 30:[17, 44, 31], Operations: ['85-54=31'] Exploring Operation: 31-17=14, Resulting Numbers: [44, 14] Generated Node #0,1,0: 30:[44, 14] Operation: 31-17=14 Exploring Operation: 44-17=27, Resulting Numbers: [31, 27] Generated Node #0,1,1: 30:[31, 27] Operation: 44-17=27 Exploring Operation: 44-31=13, Resulting Numbers: [17, 13] Generated Node #0,1,2: 30:[17, 13] Operation: 44-31=13 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 30:[31, 27], Operations: ['85-54=31', '44-17=27'] Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 31*27=837, Resulting Numbers: [837] 837,30 unequal: No Solution Exploring Operation: 31+27=58, Resulting Numbers: [58] 58,30 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 #0,1,2 Current State: 30:[17, 13], Operations: ['85-54=31', '44-31=13'] Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[85, 17, 54, 44], Operations: [] Exploring Operation: 85-54=31, Resulting Numbers: [17, 44, 31] Generated Node #0,1: 30:[17, 44, 31] Operation: 85-54=31 Moving to Node #0,1 Current State: 30:[17, 44, 31], Operations: ['85-54=31'] Exploring Operation: 44-31=13, Resulting Numbers: [17, 13] Generated Node #0,1,2: 30:[17, 13] Operation: 44-31=13 Moving to Node #0,1,2 Current State: 30:[17, 13], Operations: ['85-54=31', '44-31=13'] Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 47, 70, 43, 64 ]
78
[ "47*70=3290", "64+3290=3354", "3354/43=78" ]
Current State: 78:[47, 70, 43, 64], Operations: [] Exploring Operation: 47*70=3290, Resulting Numbers: [43, 64, 3290] Generated Node #2: [43, 64, 3290] from Operation: 47*70=3290 Current State: 78:[43, 64, 3290], Operations: ['47*70=3290'] Exploring Operation: 64+3290=3354, Resulting Numbers: [43, 3354] Generated Node #3: [43, 3354] from Operation: 64+3290=3354 Current State: 78:[43, 3354], Operations: ['47*70=3290', '64+3290=3354'] Exploring Operation: 3354/43=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[47, 70, 43, 64], Operations: [] Exploring Operation: 64-47=17, Resulting Numbers: [70, 43, 17] Generated Node #0,0: 78:[70, 43, 17] Operation: 64-47=17 Exploring Operation: 70-47=23, Resulting Numbers: [43, 64, 23] Generated Node #0,1: 78:[43, 64, 23] Operation: 70-47=23 Exploring Operation: 70-64=6, Resulting Numbers: [47, 43, 6] Generated Node #0,2: 78:[47, 43, 6] Operation: 70-64=6 Moving to Node #0,2 Current State: 78:[47, 43, 6], Operations: ['70-64=6'] Exploring Operation: 47-6=41, Resulting Numbers: [43, 41] Generated Node #0,2,0: 78:[43, 41] Operation: 47-6=41 Exploring Operation: 43-6=37, Resulting Numbers: [47, 37] Generated Node #0,2,1: 78:[47, 37] Operation: 43-6=37 Exploring Operation: 47-43=4, Resulting Numbers: [6, 4] Generated Node #0,2,2: 78:[6, 4] Operation: 47-43=4 Moving to Node #0,0 Current State: 78:[70, 43, 17], Operations: ['64-47=17'] Exploring Operation: 70+17=87, Resulting Numbers: [43, 87] Generated Node #0,0,0: 78:[43, 87] Operation: 70+17=87 Exploring Operation: 43-17=26, Resulting Numbers: [70, 26] Generated Node #0,0,1: 78:[70, 26] Operation: 43-17=26 Exploring Operation: 70-43=27, Resulting Numbers: [17, 27] Generated Node #0,0,2: 78:[17, 27] Operation: 70-43=27 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 78:[17, 27], Operations: ['64-47=17', '70-43=27'] Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,78 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,78 unequal: No Solution Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 78:[70, 26], Operations: ['64-47=17', '43-17=26'] Exploring Operation: 70+26=96, Resulting Numbers: [96] 96,78 unequal: No Solution Exploring Operation: 70-26=44, Resulting Numbers: [44] 44,78 unequal: No Solution Exploring Operation: 70*26=1820, Resulting Numbers: [1820] 1820,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[43, 87], Operations: ['64-47=17', '70+17=87'] Exploring Operation: 87-43=44, Resulting Numbers: [44] 44,78 unequal: No Solution Exploring Operation: 43+87=130, Resulting Numbers: [130] 130,78 unequal: No Solution Exploring Operation: 43*87=3741, Resulting Numbers: [3741] 3741,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 78:[43, 64, 23], Operations: ['70-47=23'] Exploring Operation: 64+23=87, Resulting Numbers: [43, 87] Generated Node #0,1,0: 78:[43, 87] Operation: 64+23=87 Exploring Operation: 64-23=41, Resulting Numbers: [43, 41] Generated Node #0,1,1: 78:[43, 41] Operation: 64-23=41 Exploring Operation: 64-43=21, Resulting Numbers: [23, 21] Generated Node #0,1,2: 78:[23, 21] Operation: 64-43=21 Moving to Node #0,2,2 Current State: 78:[6, 4], Operations: ['70-64=6', '47-43=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,78 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,78 unequal: No Solution Moving to Node #0,2,0 Current State: 78:[43, 41], Operations: ['70-64=6', '47-6=41'] Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 43*41=1763, Resulting Numbers: [1763] 1763,78 unequal: No Solution Exploring Operation: 43+41=84, Resulting Numbers: [84] 84,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[43, 41], Operations: ['70-47=23', '64-23=41'] Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 43+41=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 43*41=1763, Resulting Numbers: [1763] 1763,78 unequal: No Solution Moving to Node #0,1,2 Current State: 78:[23, 21], Operations: ['70-47=23', '64-43=21'] Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 23*21=483, Resulting Numbers: [483] 483,78 unequal: No Solution Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,78 unequal: No Solution Moving to Node #0,2,1 Current State: 78:[47, 37], Operations: ['70-64=6', '43-6=37'] Exploring Operation: 47*37=1739, Resulting Numbers: [1739] 1739,78 unequal: No Solution Exploring Operation: 47-37=10, Resulting Numbers: [10] 10,78 unequal: No Solution Exploring Operation: 47+37=84, Resulting Numbers: [84] 84,78 unequal: No Solution Moving to Node #0,1,0 Current State: 78:[43, 87], Operations: ['70-47=23', '64+23=87'] Exploring Operation: 87-43=44, Resulting Numbers: [44] 44,78 unequal: No Solution Exploring Operation: 43+87=130, Resulting Numbers: [130] 130,78 unequal: No Solution Exploring Operation: 43*87=3741, Resulting Numbers: [3741] 3741,78 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 14, 53, 66, 65 ]
38
[ "53-14=39", "66-65=1", "39-1=38" ]
Current State: 38:[14, 53, 66, 65], Operations: [] Exploring Operation: 53-14=39, Resulting Numbers: [66, 65, 39] Generated Node #2: [66, 65, 39] from Operation: 53-14=39 Current State: 38:[66, 65, 39], Operations: ['53-14=39'] Exploring Operation: 66-65=1, Resulting Numbers: [39, 1] Generated Node #3: [39, 1] from Operation: 66-65=1 Current State: 38:[39, 1], Operations: ['53-14=39', '66-65=1'] Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[14, 53, 66, 65], Operations: [] Exploring Operation: 66-65=1, Resulting Numbers: [14, 53, 1] Generated Node #0,0: 38:[14, 53, 1] Operation: 66-65=1 Moving to Node #0,0 Current State: 38:[14, 53, 1], Operations: ['66-65=1'] Exploring Operation: 53-14=39, Resulting Numbers: [1, 39] Generated Node #0,0,0: 38:[1, 39] Operation: 53-14=39 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[1, 39], Operations: ['66-65=1', '53-14=39'] Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[14, 53, 66, 65], Operations: [] Exploring Operation: 66-65=1, Resulting Numbers: [14, 53, 1] Generated Node #0,0: 38:[14, 53, 1] Operation: 66-65=1 Moving to Node #0,0 Current State: 38:[14, 53, 1], Operations: ['66-65=1'] Exploring Operation: 53-14=39, Resulting Numbers: [1, 39] Generated Node #0,0,0: 38:[1, 39] Operation: 53-14=39 Moving to Node #0,0,0 Current State: 38:[1, 39], Operations: ['66-65=1', '53-14=39'] Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 93, 5, 35, 20 ]
33
[ "93-5=88", "35+20=55", "88-55=33" ]
Current State: 33:[93, 5, 35, 20], Operations: [] Exploring Operation: 93-5=88, Resulting Numbers: [35, 20, 88] Generated Node #2: [35, 20, 88] from Operation: 93-5=88 Current State: 33:[35, 20, 88], Operations: ['93-5=88'] Exploring Operation: 35+20=55, Resulting Numbers: [88, 55] Generated Node #3: [88, 55] from Operation: 35+20=55 Current State: 33:[88, 55], Operations: ['93-5=88', '35+20=55'] Exploring Operation: 88-55=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[93, 5, 35, 20], Operations: [] Exploring Operation: 93-5=88, Resulting Numbers: [35, 20, 88] Generated Node #0,0: 33:[35, 20, 88] Operation: 93-5=88 Exploring Operation: 93-20=73, Resulting Numbers: [5, 35, 73] Generated Node #0,1: 33:[5, 35, 73] Operation: 93-20=73 Exploring Operation: 20/5=4, Resulting Numbers: [93, 35, 4] Generated Node #0,2: 33:[93, 35, 4] Operation: 20/5=4 Exploring Operation: 93-35=58, Resulting Numbers: [5, 20, 58] Generated Node #0,3: 33:[5, 20, 58] Operation: 93-35=58 Moving to Node #0,3 Current State: 33:[5, 20, 58], Operations: ['93-35=58'] Exploring Operation: 58-5=53, Resulting Numbers: [20, 53] Generated Node #0,3,0: 33:[20, 53] Operation: 58-5=53 Exploring Operation: 20/5=4, Resulting Numbers: [58, 4] Generated Node #0,3,1: 33:[58, 4] Operation: 20/5=4 Exploring Operation: 20-5=15, Resulting Numbers: [58, 15] Generated Node #0,3,2: 33:[58, 15] Operation: 20-5=15 Exploring Operation: 58-20=38, Resulting Numbers: [5, 38] Generated Node #0,3,3: 33:[5, 38] Operation: 58-20=38 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 33:[5, 38], Operations: ['93-35=58', '58-20=38'] Exploring Operation: 5+38=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 5*38=190, Resulting Numbers: [190] 190,33 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[93, 5, 35, 20], Operations: [] Exploring Operation: 93-35=58, Resulting Numbers: [5, 20, 58] Generated Node #0,3: 33:[5, 20, 58] Operation: 93-35=58 Moving to Node #0,3 Current State: 33:[5, 20, 58], Operations: ['93-35=58'] Exploring Operation: 58-20=38, Resulting Numbers: [5, 38] Generated Node #0,3,3: 33:[5, 38] Operation: 58-20=38 Moving to Node #0,3,3 Current State: 33:[5, 38], Operations: ['93-35=58', '58-20=38'] Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 65, 43, 35, 65 ]
35
[ "65-65=0", "43*0=0", "35+0=35" ]
Current State: 35:[65, 43, 35, 65], Operations: [] Exploring Operation: 65-65=0, Resulting Numbers: [43, 35, 0] Generated Node #2: [43, 35, 0] from Operation: 65-65=0 Current State: 35:[43, 35, 0], Operations: ['65-65=0'] Exploring Operation: 43*0=0, Resulting Numbers: [35, 0] Generated Node #3: [35, 0] from Operation: 43*0=0 Current State: 35:[35, 0], Operations: ['65-65=0', '43*0=0'] Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[65, 43, 35, 65], Operations: [] Exploring Operation: 65-65=0, Resulting Numbers: [43, 35, 0] Generated Node #0,0: 35:[43, 35, 0] Operation: 65-65=0 Exploring Operation: 65-43=22, Resulting Numbers: [35, 65, 22] Generated Node #0,1: 35:[35, 65, 22] Operation: 65-43=22 Exploring Operation: 65/65=1, Resulting Numbers: [43, 35, 1] Generated Node #0,2: 35:[43, 35, 1] Operation: 65/65=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[43, 35, 1], Operations: ['65/65=1'] Exploring Operation: 43*1=43, Resulting Numbers: [35, 43] Generated Node #0,2,0: 35:[35, 43] Operation: 43*1=43 Exploring Operation: 43-1=42, Resulting Numbers: [35, 42] Generated Node #0,2,1: 35:[35, 42] Operation: 43-1=42 Exploring Operation: 43-35=8, Resulting Numbers: [1, 8] Generated Node #0,2,2: 35:[1, 8] Operation: 43-35=8 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 35:[1, 8], Operations: ['65/65=1', '43-35=8'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,35 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,35 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 #0,2,1 Current State: 35:[35, 42], Operations: ['65/65=1', '43-1=42'] Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,35 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 35*42=1470, Resulting Numbers: [1470] 1470,35 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 #0,2,0 Current State: 35:[35, 43], Operations: ['65/65=1', '43*1=43'] Exploring Operation: 35+43=78, Resulting Numbers: [78] 78,35 unequal: No Solution Exploring Operation: 35*43=1505, Resulting Numbers: [1505] 1505,35 unequal: No Solution Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,35 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:[43, 35, 0], Operations: ['65-65=0'] Exploring Operation: 43-35=8, Resulting Numbers: [0, 8] Generated Node #0,0,0: 35:[0, 8] Operation: 43-35=8 Exploring Operation: 43+0=43, Resulting Numbers: [35, 43] Generated Node #0,0,1: 35:[35, 43] Operation: 43+0=43 Exploring Operation: 43*0=0, Resulting Numbers: [35, 0] Generated Node #0,0,2: 35:[35, 0] Operation: 43*0=0 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 35:[35, 0], Operations: ['65-65=0', '43*0=0'] Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[65, 43, 35, 65], Operations: [] Exploring Operation: 65-65=0, Resulting Numbers: [43, 35, 0] Generated Node #0,0: 35:[43, 35, 0] Operation: 65-65=0 Moving to Node #0,0 Current State: 35:[43, 35, 0], Operations: ['65-65=0'] Exploring Operation: 43*0=0, Resulting Numbers: [35, 0] Generated Node #0,0,2: 35:[35, 0] Operation: 43*0=0 Moving to Node #0,0,2 Current State: 35:[35, 0], Operations: ['65-65=0', '43*0=0'] Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 60, 89, 69, 18 ]
22
[ "89-60=29", "69-18=51", "51-29=22" ]
Current State: 22:[60, 89, 69, 18], Operations: [] Exploring Operation: 89-60=29, Resulting Numbers: [69, 18, 29] Generated Node #2: [69, 18, 29] from Operation: 89-60=29 Current State: 22:[69, 18, 29], Operations: ['89-60=29'] Exploring Operation: 69-18=51, Resulting Numbers: [29, 51] Generated Node #3: [29, 51] from Operation: 69-18=51 Current State: 22:[29, 51], Operations: ['89-60=29', '69-18=51'] Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[60, 89, 69, 18], Operations: [] Exploring Operation: 89-69=20, Resulting Numbers: [60, 18, 20] Generated Node #0,0: 22:[60, 18, 20] Operation: 89-69=20 Exploring Operation: 89-60=29, Resulting Numbers: [69, 18, 29] Generated Node #0,1: 22:[69, 18, 29] Operation: 89-60=29 Moving to Node #0,0 Current State: 22:[60, 18, 20], Operations: ['89-69=20'] Exploring Operation: 60/20=3, Resulting Numbers: [18, 3] Generated Node #0,0,0: 22:[18, 3] Operation: 60/20=3 Exploring Operation: 60-18=42, Resulting Numbers: [20, 42] Generated Node #0,0,1: 22:[20, 42] Operation: 60-18=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[18, 3], Operations: ['89-69=20', '60/20=3'] Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,22 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[20, 42], Operations: ['89-69=20', '60-18=42'] Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[60, 89, 69, 18], Operations: [] Exploring Operation: 89-69=20, Resulting Numbers: [60, 18, 20] Generated Node #0,0: 22:[60, 18, 20] Operation: 89-69=20 Moving to Node #0,0 Current State: 22:[60, 18, 20], Operations: ['89-69=20'] Exploring Operation: 60-18=42, Resulting Numbers: [20, 42] Generated Node #0,0,1: 22:[20, 42] Operation: 60-18=42 Moving to Node #0,0,1 Current State: 22:[20, 42], Operations: ['89-69=20', '60-18=42'] Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 74, 6, 39, 90 ]
32
[ "74*39=2886", "2886-6=2880", "2880/90=32" ]
Current State: 32:[74, 6, 39, 90], Operations: [] Exploring Operation: 74*39=2886, Resulting Numbers: [6, 90, 2886] Generated Node #2: [6, 90, 2886] from Operation: 74*39=2886 Current State: 32:[6, 90, 2886], Operations: ['74*39=2886'] Exploring Operation: 2886-6=2880, Resulting Numbers: [90, 2880] Generated Node #3: [90, 2880] from Operation: 2886-6=2880 Current State: 32:[90, 2880], Operations: ['74*39=2886', '2886-6=2880'] Exploring Operation: 2880/90=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[74, 6, 39, 90], Operations: [] Exploring Operation: 74-6=68, Resulting Numbers: [39, 90, 68] Generated Node #0,0: 32:[39, 90, 68] Operation: 74-6=68 Exploring Operation: 90-74=16, Resulting Numbers: [6, 39, 16] Generated Node #0,1: 32:[6, 39, 16] Operation: 90-74=16 Exploring Operation: 74-39=35, Resulting Numbers: [6, 90, 35] Generated Node #0,2: 32:[6, 90, 35] Operation: 74-39=35 Exploring Operation: 90/6=15, Resulting Numbers: [74, 39, 15] Generated Node #0,3: 32:[74, 39, 15] Operation: 90/6=15 Exploring Operation: 90-39=51, Resulting Numbers: [74, 6, 51] Generated Node #0,4: 32:[74, 6, 51] Operation: 90-39=51 Moving to Node #0,1 Current State: 32:[6, 39, 16], Operations: ['90-74=16'] Exploring Operation: 6+39=45, Resulting Numbers: [16, 45] Generated Node #0,1,0: 32:[16, 45] Operation: 6+39=45 Exploring Operation: 39-6=33, Resulting Numbers: [16, 33] Generated Node #0,1,1: 32:[16, 33] Operation: 39-6=33 Exploring Operation: 16-6=10, Resulting Numbers: [39, 10] Generated Node #0,1,2: 32:[39, 10] Operation: 16-6=10 Exploring Operation: 6+16=22, Resulting Numbers: [39, 22] Generated Node #0,1,3: 32:[39, 22] Operation: 6+16=22 Exploring Operation: 39-16=23, Resulting Numbers: [6, 23] Generated Node #0,1,4: 32:[6, 23] Operation: 39-16=23 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[16, 33], Operations: ['90-74=16', '39-6=33'] Exploring Operation: 16*33=528, Resulting Numbers: [528] 528,32 unequal: No Solution Exploring Operation: 16+33=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 32:[39, 10], Operations: ['90-74=16', '16-6=10'] Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 39*10=390, Resulting Numbers: [390] 390,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 32:[6, 23], Operations: ['90-74=16', '39-16=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[16, 45], Operations: ['90-74=16', '6+39=45'] Exploring Operation: 16*45=720, Resulting Numbers: [720] 720,32 unequal: No Solution Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 16+45=61, Resulting Numbers: [61] 61,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 32:[39, 22], Operations: ['90-74=16', '6+16=22'] Exploring Operation: 39+22=61, Resulting Numbers: [61] 61,32 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 39*22=858, Resulting Numbers: [858] 858,32 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: 32:[74, 39, 15], Operations: ['90/6=15'] Exploring Operation: 39+15=54, Resulting Numbers: [74, 54] Generated Node #0,3,0: 32:[74, 54] Operation: 39+15=54 Exploring Operation: 74+15=89, Resulting Numbers: [39, 89] Generated Node #0,3,1: 32:[39, 89] Operation: 74+15=89 Exploring Operation: 39-15=24, Resulting Numbers: [74, 24] Generated Node #0,3,2: 32:[74, 24] Operation: 39-15=24 Exploring Operation: 74-39=35, Resulting Numbers: [15, 35] Generated Node #0,3,3: 32:[15, 35] Operation: 74-39=35 Exploring Operation: 74-15=59, Resulting Numbers: [39, 59] Generated Node #0,3,4: 32:[39, 59] Operation: 74-15=59 Moving to Node #0,2 Current State: 32:[6, 90, 35], Operations: ['74-39=35'] Exploring Operation: 90-35=55, Resulting Numbers: [6, 55] Generated Node #0,2,0: 32:[6, 55] Operation: 90-35=55 Exploring Operation: 35-6=29, Resulting Numbers: [90, 29] Generated Node #0,2,1: 32:[90, 29] Operation: 35-6=29 Exploring Operation: 6+90=96, Resulting Numbers: [35, 96] Generated Node #0,2,2: 32:[35, 96] Operation: 6+90=96 Exploring Operation: 90/6=15, Resulting Numbers: [35, 15] Generated Node #0,2,3: 32:[35, 15] Operation: 90/6=15 Exploring Operation: 90-6=84, Resulting Numbers: [35, 84] Generated Node #0,2,4: 32:[35, 84] Operation: 90-6=84 Moving to Node #0,4 Current State: 32:[74, 6, 51], Operations: ['90-39=51'] Exploring Operation: 74+6=80, Resulting Numbers: [51, 80] Generated Node #0,4,0: 32:[51, 80] Operation: 74+6=80 Exploring Operation: 74-51=23, Resulting Numbers: [6, 23] Generated Node #0,4,1: 32:[6, 23] Operation: 74-51=23 Exploring Operation: 74-6=68, Resulting Numbers: [51, 68] Generated Node #0,4,2: 32:[51, 68] Operation: 74-6=68 Exploring Operation: 51-6=45, Resulting Numbers: [74, 45] Generated Node #0,4,3: 32:[74, 45] Operation: 51-6=45 Exploring Operation: 6+51=57, Resulting Numbers: [74, 57] Generated Node #0,4,4: 32:[74, 57] Operation: 6+51=57 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 32:[6, 23], Operations: ['90-39=51', '74-51=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 32:[51, 68], Operations: ['90-39=51', '74-6=68'] Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,32 unequal: No Solution Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 32:[74, 45], Operations: ['90-39=51', '51-6=45'] Exploring Operation: 74*45=3330, Resulting Numbers: [3330] 3330,32 unequal: No Solution Exploring Operation: 74-45=29, Resulting Numbers: [29] 29,32 unequal: No Solution Exploring Operation: 74+45=119, Resulting Numbers: [119] 119,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 32:[51, 80], Operations: ['90-39=51', '74+6=80'] Exploring Operation: 51+80=131, Resulting Numbers: [131] 131,32 unequal: No Solution Exploring Operation: 51*80=4080, Resulting Numbers: [4080] 4080,32 unequal: No Solution Exploring Operation: 80-51=29, Resulting Numbers: [29] 29,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 32:[74, 57], Operations: ['90-39=51', '6+51=57'] Exploring Operation: 74*57=4218, Resulting Numbers: [4218] 4218,32 unequal: No Solution Exploring Operation: 74+57=131, Resulting Numbers: [131] 131,32 unequal: No Solution Exploring Operation: 74-57=17, Resulting Numbers: [17] 17,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 32:[39, 90, 68], Operations: ['74-6=68'] Exploring Operation: 39+68=107, Resulting Numbers: [90, 107] Generated Node #0,0,0: 32:[90, 107] Operation: 39+68=107 Exploring Operation: 90-39=51, Resulting Numbers: [68, 51] Generated Node #0,0,1: 32:[68, 51] Operation: 90-39=51 Exploring Operation: 68-39=29, Resulting Numbers: [90, 29] Generated Node #0,0,2: 32:[90, 29] Operation: 68-39=29 Exploring Operation: 39+90=129, Resulting Numbers: [68, 129] Generated Node #0,0,3: 32:[68, 129] Operation: 39+90=129 Exploring Operation: 90-68=22, Resulting Numbers: [39, 22] Generated Node #0,0,4: 32:[39, 22] Operation: 90-68=22 Moving to Node #0,3,3 Current State: 32:[15, 35], Operations: ['90/6=15', '74-39=35'] Exploring Operation: 15*35=525, Resulting Numbers: [525] 525,32 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,32 unequal: No Solution Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,32 unequal: No Solution Moving to Node #0,2,3 Current State: 32:[35, 15], Operations: ['74-39=35', '90/6=15'] Exploring Operation: 35+15=50, Resulting Numbers: [50] 50,32 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,32 unequal: No Solution Exploring Operation: 35*15=525, Resulting Numbers: [525] 525,32 unequal: No Solution Moving to Node #0,0,4 Current State: 32:[39, 22], Operations: ['74-6=68', '90-68=22'] Exploring Operation: 39*22=858, Resulting Numbers: [858] 858,32 unequal: No Solution Exploring Operation: 39+22=61, Resulting Numbers: [61] 61,32 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[6, 55], Operations: ['74-39=35', '90-35=55'] Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,32 unequal: No Solution Exploring Operation: 6*55=330, Resulting Numbers: [330] 330,32 unequal: No Solution Exploring Operation: 6+55=61, Resulting Numbers: [61] 61,32 unequal: No Solution Moving to Node #0,3,4 Current State: 32:[39, 59], Operations: ['90/6=15', '74-15=59'] Exploring Operation: 39+59=98, Resulting Numbers: [98] 98,32 unequal: No Solution Exploring Operation: 39*59=2301, Resulting Numbers: [2301] 2301,32 unequal: No Solution Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[74, 24], Operations: ['90/6=15', '39-15=24'] Exploring Operation: 74+24=98, Resulting Numbers: [98] 98,32 unequal: No Solution Exploring Operation: 74*24=1776, Resulting Numbers: [1776] 1776,32 unequal: No Solution Exploring Operation: 74-24=50, Resulting Numbers: [50] 50,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[68, 51], Operations: ['74-6=68', '90-39=51'] Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 68+51=119, Resulting Numbers: [119] 119,32 unequal: No Solution Exploring Operation: 68*51=3468, Resulting Numbers: [3468] 3468,32 unequal: No Solution Moving to Node #0,2,4 Current State: 32:[35, 84], Operations: ['74-39=35', '90-6=84'] Exploring Operation: 35*84=2940, Resulting Numbers: [2940] 2940,32 unequal: No Solution Exploring Operation: 35+84=119, Resulting Numbers: [119] 119,32 unequal: No Solution Exploring Operation: 84-35=49, Resulting Numbers: [49] 49,32 unequal: No Solution Moving to Node #0,2,1 Current State: 32:[90, 29], Operations: ['74-39=35', '35-6=29'] Exploring Operation: 90+29=119, Resulting Numbers: [119] 119,32 unequal: No Solution Exploring Operation: 90*29=2610, Resulting Numbers: [2610] 2610,32 unequal: No Solution Exploring Operation: 90-29=61, Resulting Numbers: [61] 61,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[90, 29], Operations: ['74-6=68', '68-39=29'] Exploring Operation: 90+29=119, Resulting Numbers: [119] 119,32 unequal: No Solution Exploring Operation: 90*29=2610, Resulting Numbers: [2610] 2610,32 unequal: No Solution Exploring Operation: 90-29=61, Resulting Numbers: [61] 61,32 unequal: No Solution Moving to Node #0,3,1 Current State: 32:[39, 89], Operations: ['90/6=15', '74+15=89'] Exploring Operation: 39+89=128, Resulting Numbers: [128] 128,32 unequal: No Solution Exploring Operation: 39*89=3471, Resulting Numbers: [3471] 3471,32 unequal: No Solution Exploring Operation: 89-39=50, Resulting Numbers: [50] 50,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[74, 54], Operations: ['90/6=15', '39+15=54'] Exploring Operation: 74*54=3996, Resulting Numbers: [3996] 3996,32 unequal: No Solution Exploring Operation: 74-54=20, Resulting Numbers: [20] 20,32 unequal: No Solution Exploring Operation: 74+54=128, Resulting Numbers: [128] 128,32 unequal: No Solution Moving to Node #0,2,2 Current State: 32:[35, 96], Operations: ['74-39=35', '6+90=96'] Exploring Operation: 96-35=61, Resulting Numbers: [61] 61,32 unequal: No Solution Exploring Operation: 35+96=131, Resulting Numbers: [131] 131,32 unequal: No Solution Exploring Operation: 35*96=3360, Resulting Numbers: [3360] 3360,32 unequal: No Solution Moving to Node #0,0,3 Current State: 32:[68, 129], Operations: ['74-6=68', '39+90=129'] Exploring Operation: 68*129=8772, Resulting Numbers: [8772] 8772,32 unequal: No Solution Exploring Operation: 68+129=197, Resulting Numbers: [197] 197,32 unequal: No Solution Exploring Operation: 129-68=61, Resulting Numbers: [61] 61,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[90, 107], Operations: ['74-6=68', '39+68=107'] Exploring Operation: 107-90=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 90*107=9630, Resulting Numbers: [9630] 9630,32 unequal: No Solution Exploring Operation: 90+107=197, Resulting Numbers: [197] 197,32 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 51, 42, 36, 2 ]
27
[ "51-42=9", "36/2=18", "9+18=27" ]
Current State: 27:[51, 42, 36, 2], Operations: [] Exploring Operation: 51-42=9, Resulting Numbers: [36, 2, 9] Generated Node #2: [36, 2, 9] from Operation: 51-42=9 Current State: 27:[36, 2, 9], Operations: ['51-42=9'] Exploring Operation: 36/2=18, Resulting Numbers: [9, 18] Generated Node #3: [9, 18] from Operation: 36/2=18 Current State: 27:[9, 18], Operations: ['51-42=9', '36/2=18'] Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[51, 42, 36, 2], Operations: [] Exploring Operation: 51-42=9, Resulting Numbers: [36, 2, 9] Generated Node #0,0: 27:[36, 2, 9] Operation: 51-42=9 Exploring Operation: 42-36=6, Resulting Numbers: [51, 2, 6] Generated Node #0,1: 27:[51, 2, 6] Operation: 42-36=6 Exploring Operation: 51-36=15, Resulting Numbers: [42, 2, 15] Generated Node #0,2: 27:[42, 2, 15] Operation: 51-36=15 Moving to Node #0,0 Current State: 27:[36, 2, 9], Operations: ['51-42=9'] Exploring Operation: 36-2=34, Resulting Numbers: [9, 34] Generated Node #0,0,0: 27:[9, 34] Operation: 36-2=34 Exploring Operation: 36-9=27, Resulting Numbers: [2, 27] Generated Node #0,0,1: 27:[2, 27] Operation: 36-9=27 Exploring Operation: 36/9=4, Resulting Numbers: [2, 4] Generated Node #0,0,2: 27:[2, 4] Operation: 36/9=4 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 27:[2, 27], Operations: ['51-42=9', '36-9=27'] Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,27 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,27 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 #0,0,2 Current State: 27:[2, 4], Operations: ['51-42=9', '36/9=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,27 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,27 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,27 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 #0,0,0 Current State: 27:[9, 34], Operations: ['51-42=9', '36-2=34'] Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,27 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,27 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: 27:[42, 2, 15], Operations: ['51-36=15'] Exploring Operation: 42/2=21, Resulting Numbers: [15, 21] Generated Node #0,2,0: 27:[15, 21] Operation: 42/2=21 Exploring Operation: 42-15=27, Resulting Numbers: [2, 27] Generated Node #0,2,1: 27:[2, 27] Operation: 42-15=27 Exploring Operation: 2*15=30, Resulting Numbers: [42, 30] Generated Node #0,2,2: 27:[42, 30] Operation: 2*15=30 Moving to Node #0,1 Current State: 27:[51, 2, 6], Operations: ['42-36=6'] Exploring Operation: 51-2=49, Resulting Numbers: [6, 49] Generated Node #0,1,0: 27:[6, 49] Operation: 51-2=49 Exploring Operation: 51-6=45, Resulting Numbers: [2, 45] Generated Node #0,1,1: 27:[2, 45] Operation: 51-6=45 Exploring Operation: 6/2=3, Resulting Numbers: [51, 3] Generated Node #0,1,2: 27:[51, 3] Operation: 6/2=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 27:[2, 45], Operations: ['42-36=6', '51-6=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,27 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,27 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 27:[51, 3], Operations: ['42-36=6', '6/2=3'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,27 unequal: No Solution Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 27:[6, 49], Operations: ['42-36=6', '51-2=49'] Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,27 unequal: No Solution Exploring Operation: 6*49=294, Resulting Numbers: [294] 294,27 unequal: No Solution Exploring Operation: 6+49=55, Resulting Numbers: [55] 55,27 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: 27:[2, 27], Operations: ['51-36=15', '42-15=27'] Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,27 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[15, 21], Operations: ['51-36=15', '42/2=21'] Exploring Operation: 15+21=36, Resulting Numbers: [36] 36,27 unequal: No Solution Exploring Operation: 15*21=315, Resulting Numbers: [315] 315,27 unequal: No Solution Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,27 unequal: No Solution Moving to Node #0,2,2 Current State: 27:[42, 30], Operations: ['51-36=15', '2*15=30'] Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,27 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,27 unequal: No Solution Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,27 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 53, 63, 53, 92 ]
92
[ "53-53=0", "63*0=0", "92+0=92" ]
Current State: 92:[53, 63, 53, 92], Operations: [] Exploring Operation: 53-53=0, Resulting Numbers: [63, 92, 0] Generated Node #2: [63, 92, 0] from Operation: 53-53=0 Current State: 92:[63, 92, 0], Operations: ['53-53=0'] Exploring Operation: 63*0=0, Resulting Numbers: [92, 0] Generated Node #3: [92, 0] from Operation: 63*0=0 Current State: 92:[92, 0], Operations: ['53-53=0', '63*0=0'] Exploring Operation: 92+0=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[53, 63, 53, 92], Operations: [] Exploring Operation: 53-53=0, Resulting Numbers: [63, 92, 0] Generated Node #0,0: 92:[63, 92, 0] Operation: 53-53=0 Exploring Operation: 63-53=10, Resulting Numbers: [53, 92, 10] Generated Node #0,1: 92:[53, 92, 10] Operation: 63-53=10 Exploring Operation: 63-53=10, Resulting Numbers: [53, 92, 10] Generated Node #0,2: 92:[53, 92, 10] Operation: 63-53=10 Exploring Operation: 53/53=1, Resulting Numbers: [63, 92, 1] Generated Node #0,3: 92:[63, 92, 1] Operation: 53/53=1 Exploring Operation: 92-63=29, Resulting Numbers: [53, 53, 29] Generated Node #0,4: 92:[53, 53, 29] Operation: 92-63=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[53, 92, 10], Operations: ['63-53=10'] Exploring Operation: 53+10=63, Resulting Numbers: [92, 63] Generated Node #0,1,0: 92:[92, 63] Operation: 53+10=63 Exploring Operation: 53-10=43, Resulting Numbers: [92, 43] Generated Node #0,1,1: 92:[92, 43] Operation: 53-10=43 Exploring Operation: 92+10=102, Resulting Numbers: [53, 102] Generated Node #0,1,2: 92:[53, 102] Operation: 92+10=102 Exploring Operation: 92-10=82, Resulting Numbers: [53, 82] Generated Node #0,1,3: 92:[53, 82] Operation: 92-10=82 Exploring Operation: 92-53=39, Resulting Numbers: [10, 39] Generated Node #0,1,4: 92:[10, 39] Operation: 92-53=39 Moving to Node #0,1,1 Current State: 92:[92, 43], Operations: ['63-53=10', '53-10=43'] Exploring Operation: 92+43=135, Resulting Numbers: [135] 135,92 unequal: No Solution Exploring Operation: 92-43=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 92*43=3956, Resulting Numbers: [3956] 3956,92 unequal: No Solution Moving to Node #0,1,4 Current State: 92:[10, 39], Operations: ['63-53=10', '92-53=39'] Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,92 unequal: No Solution Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[92, 63], Operations: ['63-53=10', '53+10=63'] Exploring Operation: 92-63=29, Resulting Numbers: [29] 29,92 unequal: No Solution Exploring Operation: 92+63=155, Resulting Numbers: [155] 155,92 unequal: No Solution Exploring Operation: 92*63=5796, Resulting Numbers: [5796] 5796,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[53, 102], Operations: ['63-53=10', '92+10=102'] Exploring Operation: 53+102=155, Resulting Numbers: [155] 155,92 unequal: No Solution Exploring Operation: 53*102=5406, Resulting Numbers: [5406] 5406,92 unequal: No Solution Exploring Operation: 102-53=49, Resulting Numbers: [49] 49,92 unequal: No Solution Moving to Node #0,1,3 Current State: 92:[53, 82], Operations: ['63-53=10', '92-10=82'] Exploring Operation: 53+82=135, Resulting Numbers: [135] 135,92 unequal: No Solution Exploring Operation: 53*82=4346, Resulting Numbers: [4346] 4346,92 unequal: No Solution Exploring Operation: 82-53=29, Resulting Numbers: [29] 29,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[53, 92, 10], Operations: ['63-53=10'] Exploring Operation: 92-10=82, Resulting Numbers: [53, 82] Generated Node #0,2,0: 92:[53, 82] Operation: 92-10=82 Exploring Operation: 53-10=43, Resulting Numbers: [92, 43] Generated Node #0,2,1: 92:[92, 43] Operation: 53-10=43 Exploring Operation: 92+10=102, Resulting Numbers: [53, 102] Generated Node #0,2,2: 92:[53, 102] Operation: 92+10=102 Exploring Operation: 92-53=39, Resulting Numbers: [10, 39] Generated Node #0,2,3: 92:[10, 39] Operation: 92-53=39 Exploring Operation: 53+10=63, Resulting Numbers: [92, 63] Generated Node #0,2,4: 92:[92, 63] Operation: 53+10=63 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 92:[92, 43], Operations: ['63-53=10', '53-10=43'] Exploring Operation: 92+43=135, Resulting Numbers: [135] 135,92 unequal: No Solution Exploring Operation: 92-43=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 92*43=3956, Resulting Numbers: [3956] 3956,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 92:[10, 39], Operations: ['63-53=10', '92-53=39'] Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,92 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 92:[53, 82], Operations: ['63-53=10', '92-10=82'] Exploring Operation: 53+82=135, Resulting Numbers: [135] 135,92 unequal: No Solution Exploring Operation: 53*82=4346, Resulting Numbers: [4346] 4346,92 unequal: No Solution Exploring Operation: 82-53=29, Resulting Numbers: [29] 29,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 92:[53, 102], Operations: ['63-53=10', '92+10=102'] Exploring Operation: 102-53=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 53+102=155, Resulting Numbers: [155] 155,92 unequal: No Solution Exploring Operation: 53*102=5406, Resulting Numbers: [5406] 5406,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 92:[92, 63], Operations: ['63-53=10', '53+10=63'] Exploring Operation: 92*63=5796, Resulting Numbers: [5796] 5796,92 unequal: No Solution Exploring Operation: 92+63=155, Resulting Numbers: [155] 155,92 unequal: No Solution Exploring Operation: 92-63=29, Resulting Numbers: [29] 29,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[63, 92, 1], Operations: ['53/53=1'] Exploring Operation: 63/1=63, Resulting Numbers: [92, 63] Generated Node #0,3,0: 92:[92, 63] Operation: 63/1=63 Exploring Operation: 92-63=29, Resulting Numbers: [1, 29] Generated Node #0,3,1: 92:[1, 29] Operation: 92-63=29 Exploring Operation: 63-1=62, Resulting Numbers: [92, 62] Generated Node #0,3,2: 92:[92, 62] Operation: 63-1=62 Exploring Operation: 92*1=92, Resulting Numbers: [63, 92] Generated Node #0,3,3: 92:[63, 92] Operation: 92*1=92 Exploring Operation: 63*1=63, Resulting Numbers: [92, 63] Generated Node #0,3,4: 92:[92, 63] Operation: 63*1=63 Moving to Node #0,3,1 Current State: 92:[1, 29], Operations: ['53/53=1', '92-63=29'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,92 unequal: No Solution Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,92 unequal: No Solution Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,92 unequal: No Solution Moving to Node #0,3,2 Current State: 92:[92, 62], Operations: ['53/53=1', '63-1=62'] Exploring Operation: 92*62=5704, Resulting Numbers: [5704] 5704,92 unequal: No Solution Exploring Operation: 92-62=30, Resulting Numbers: [30] 30,92 unequal: No Solution Exploring Operation: 92+62=154, Resulting Numbers: [154] 154,92 unequal: No Solution Moving to Node #0,3,0 Current State: 92:[92, 63], Operations: ['53/53=1', '63/1=63'] Exploring Operation: 92*63=5796, Resulting Numbers: [5796] 5796,92 unequal: No Solution Exploring Operation: 92+63=155, Resulting Numbers: [155] 155,92 unequal: No Solution Exploring Operation: 92-63=29, Resulting Numbers: [29] 29,92 unequal: No Solution Moving to Node #0,3,3 Current State: 92:[63, 92], Operations: ['53/53=1', '92*1=92'] Exploring Operation: 63+92=155, Resulting Numbers: [155] 155,92 unequal: No Solution Exploring Operation: 63*92=5796, Resulting Numbers: [5796] 5796,92 unequal: No Solution Exploring Operation: 92-63=29, Resulting Numbers: [29] 29,92 unequal: No Solution Moving to Node #0,3,4 Current State: 92:[92, 63], Operations: ['53/53=1', '63*1=63'] Exploring Operation: 92+63=155, Resulting Numbers: [155] 155,92 unequal: No Solution Exploring Operation: 92*63=5796, Resulting Numbers: [5796] 5796,92 unequal: No Solution Exploring Operation: 92-63=29, Resulting Numbers: [29] 29,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[63, 92, 0], Operations: ['53-53=0'] Exploring Operation: 63*0=0, Resulting Numbers: [92, 0] Generated Node #0,0,0: 92:[92, 0] Operation: 63*0=0 Exploring Operation: 92+0=92, Resulting Numbers: [63, 92] Generated Node #0,0,1: 92:[63, 92] Operation: 92+0=92 Exploring Operation: 63-0=63, Resulting Numbers: [92, 63] Generated Node #0,0,2: 92:[92, 63] Operation: 63-0=63 Exploring Operation: 92-63=29, Resulting Numbers: [0, 29] Generated Node #0,0,3: 92:[0, 29] Operation: 92-63=29 Exploring Operation: 63+0=63, Resulting Numbers: [92, 63] Generated Node #0,0,4: 92:[92, 63] Operation: 63+0=63 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[92, 0], Operations: ['53-53=0', '63*0=0'] Exploring Operation: 92*0=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 92+0=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[53, 63, 53, 92], Operations: [] Exploring Operation: 53-53=0, Resulting Numbers: [63, 92, 0] Generated Node #0,0: 92:[63, 92, 0] Operation: 53-53=0 Moving to Node #0,0 Current State: 92:[63, 92, 0], Operations: ['53-53=0'] Exploring Operation: 63*0=0, Resulting Numbers: [92, 0] Generated Node #0,0,0: 92:[92, 0] Operation: 63*0=0 Moving to Node #0,0,0 Current State: 92:[92, 0], Operations: ['53-53=0', '63*0=0'] Exploring Operation: 92+0=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.93316
hs_5
mult_heuristic
[ 33, 68, 12, 87 ]
64
[ "68-33=35", "12+87=99", "99-35=64" ]
Current State: 64:[33, 68, 12, 87], Operations: [] Exploring Operation: 68-33=35, Resulting Numbers: [12, 87, 35] Generated Node #2: [12, 87, 35] from Operation: 68-33=35 Current State: 64:[12, 87, 35], Operations: ['68-33=35'] Exploring Operation: 12+87=99, Resulting Numbers: [35, 99] Generated Node #3: [35, 99] from Operation: 12+87=99 Current State: 64:[35, 99], Operations: ['68-33=35', '12+87=99'] Exploring Operation: 99-35=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[33, 68, 12, 87], Operations: [] Exploring Operation: 87-33=54, Resulting Numbers: [68, 12, 54] Generated Node #0,0: 64:[68, 12, 54] Operation: 87-33=54 Exploring Operation: 87-68=19, Resulting Numbers: [33, 12, 19] Generated Node #0,1: 64:[33, 12, 19] Operation: 87-68=19 Exploring Operation: 87-12=75, Resulting Numbers: [33, 68, 75] Generated Node #0,2: 64:[33, 68, 75] Operation: 87-12=75 Exploring Operation: 68-33=35, Resulting Numbers: [12, 87, 35] Generated Node #0,3: 64:[12, 87, 35] Operation: 68-33=35 Exploring Operation: 33-12=21, Resulting Numbers: [68, 87, 21] Generated Node #0,4: 64:[68, 87, 21] Operation: 33-12=21 Moving to Node #0,1 Current State: 64:[33, 12, 19], Operations: ['87-68=19'] Exploring Operation: 33-12=21, Resulting Numbers: [19, 21] Generated Node #0,1,0: 64:[19, 21] Operation: 33-12=21 Exploring Operation: 12+19=31, Resulting Numbers: [33, 31] Generated Node #0,1,1: 64:[33, 31] Operation: 12+19=31 Exploring Operation: 33+12=45, Resulting Numbers: [19, 45] Generated Node #0,1,2: 64:[19, 45] Operation: 33+12=45 Exploring Operation: 19-12=7, Resulting Numbers: [33, 7] Generated Node #0,1,3: 64:[33, 7] Operation: 19-12=7 Exploring Operation: 33-19=14, Resulting Numbers: [12, 14] Generated Node #0,1,4: 64:[12, 14] Operation: 33-19=14 Moving to Node #0,2 Current State: 64:[33, 68, 75], Operations: ['87-12=75'] Exploring Operation: 75-68=7, Resulting Numbers: [33, 7] Generated Node #0,2,0: 64:[33, 7] Operation: 75-68=7 Exploring Operation: 68-33=35, Resulting Numbers: [75, 35] Generated Node #0,2,1: 64:[75, 35] Operation: 68-33=35 Exploring Operation: 33+68=101, Resulting Numbers: [75, 101] Generated Node #0,2,2: 64:[75, 101] Operation: 33+68=101 Exploring Operation: 75-33=42, Resulting Numbers: [68, 42] Generated Node #0,2,3: 64:[68, 42] Operation: 75-33=42 Exploring Operation: 33+75=108, Resulting Numbers: [68, 108] Generated Node #0,2,4: 64:[68, 108] Operation: 33+75=108 Moving to Node #0,0 Current State: 64:[68, 12, 54], Operations: ['87-33=54'] Exploring Operation: 68+12=80, Resulting Numbers: [54, 80] Generated Node #0,0,0: 64:[54, 80] Operation: 68+12=80 Exploring Operation: 68-12=56, Resulting Numbers: [54, 56] Generated Node #0,0,1: 64:[54, 56] Operation: 68-12=56 Exploring Operation: 54-12=42, Resulting Numbers: [68, 42] Generated Node #0,0,2: 64:[68, 42] Operation: 54-12=42 Exploring Operation: 68-54=14, Resulting Numbers: [12, 14] Generated Node #0,0,3: 64:[12, 14] Operation: 68-54=14 Exploring Operation: 12+54=66, Resulting Numbers: [68, 66] Generated Node #0,0,4: 64:[68, 66] Operation: 12+54=66 Moving to Node #0,3 Current State: 64:[12, 87, 35], Operations: ['68-33=35'] Exploring Operation: 87-12=75, Resulting Numbers: [35, 75] Generated Node #0,3,0: 64:[35, 75] Operation: 87-12=75 Exploring Operation: 12+35=47, Resulting Numbers: [87, 47] Generated Node #0,3,1: 64:[87, 47] Operation: 12+35=47 Exploring Operation: 12+87=99, Resulting Numbers: [35, 99] Generated Node #0,3,2: 64:[35, 99] Operation: 12+87=99 Exploring Operation: 35-12=23, Resulting Numbers: [87, 23] Generated Node #0,3,3: 64:[87, 23] Operation: 35-12=23 Exploring Operation: 87-35=52, Resulting Numbers: [12, 52] Generated Node #0,3,4: 64:[12, 52] Operation: 87-35=52 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 64:[35, 75], Operations: ['68-33=35', '87-12=75'] Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,64 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,64 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,64 unequal: No Solution No 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: 64:[12, 52], Operations: ['68-33=35', '87-35=52'] Exploring Operation: 12*52=624, Resulting Numbers: [624] 624,64 unequal: No Solution Exploring Operation: 12+52=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[33, 68, 12, 87], Operations: [] Exploring Operation: 68-33=35, Resulting Numbers: [12, 87, 35] Generated Node #0,3: 64:[12, 87, 35] Operation: 68-33=35 Moving to Node #0,3 Current State: 64:[12, 87, 35], Operations: ['68-33=35'] Exploring Operation: 87-35=52, Resulting Numbers: [12, 52] Generated Node #0,3,4: 64:[12, 52] Operation: 87-35=52 Moving to Node #0,3,4 Current State: 64:[12, 52], Operations: ['68-33=35', '87-35=52'] Exploring Operation: 12+52=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_5
sum_heuristic
[ 98, 12, 10, 91 ]
58
[ "98-91=7", "10*7=70", "70-12=58" ]
Current State: 58:[98, 12, 10, 91], Operations: [] Exploring Operation: 98-91=7, Resulting Numbers: [12, 10, 7] Generated Node #2: [12, 10, 7] from Operation: 98-91=7 Current State: 58:[12, 10, 7], Operations: ['98-91=7'] Exploring Operation: 10*7=70, Resulting Numbers: [12, 70] Generated Node #3: [12, 70] from Operation: 10*7=70 Current State: 58:[12, 70], Operations: ['98-91=7', '10*7=70'] Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[98, 12, 10, 91], Operations: [] Exploring Operation: 98-91=7, Resulting Numbers: [12, 10, 7] Generated Node #0,0: 58:[12, 10, 7] Operation: 98-91=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[12, 10, 7], Operations: ['98-91=7'] Exploring Operation: 12-10=2, Resulting Numbers: [7, 2] Generated Node #0,0,0: 58:[7, 2] Operation: 12-10=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[7, 2], Operations: ['98-91=7', '12-10=2'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 99, 98, 46, 79 ]
33
[ "99-98=1", "79-46=33", "1*33=33" ]
Current State: 33:[99, 98, 46, 79], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [46, 79, 1] Generated Node #2: [46, 79, 1] from Operation: 99-98=1 Current State: 33:[46, 79, 1], Operations: ['99-98=1'] Exploring Operation: 79-46=33, Resulting Numbers: [1, 33] Generated Node #3: [1, 33] from Operation: 79-46=33 Current State: 33:[1, 33], Operations: ['99-98=1', '79-46=33'] Exploring Operation: 1*33=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[99, 98, 46, 79], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [46, 79, 1] Generated Node #0,0: 33:[46, 79, 1] Operation: 99-98=1 Moving to Node #0,0 Current State: 33:[46, 79, 1], Operations: ['99-98=1'] Exploring Operation: 79-46=33, Resulting Numbers: [1, 33] Generated Node #0,0,0: 33:[1, 33] Operation: 79-46=33 Moving to Node #0,0,0 Current State: 33:[1, 33], Operations: ['99-98=1', '79-46=33'] Exploring Operation: 1*33=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[99, 98, 46, 79], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [46, 79, 1] Generated Node #0,0: 33:[46, 79, 1] Operation: 99-98=1 Moving to Node #0,0 Current State: 33:[46, 79, 1], Operations: ['99-98=1'] Exploring Operation: 79-46=33, Resulting Numbers: [1, 33] Generated Node #0,0,0: 33:[1, 33] Operation: 79-46=33 Moving to Node #0,0,0 Current State: 33:[1, 33], Operations: ['99-98=1', '79-46=33'] Exploring Operation: 1*33=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 76, 26, 67, 78 ]
95
[ "76-26=50", "67+78=145", "145-50=95" ]
Current State: 95:[76, 26, 67, 78], Operations: [] Exploring Operation: 76-26=50, Resulting Numbers: [67, 78, 50] Generated Node #2: [67, 78, 50] from Operation: 76-26=50 Current State: 95:[67, 78, 50], Operations: ['76-26=50'] Exploring Operation: 67+78=145, Resulting Numbers: [50, 145] Generated Node #3: [50, 145] from Operation: 67+78=145 Current State: 95:[50, 145], Operations: ['76-26=50', '67+78=145'] Exploring Operation: 145-50=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[76, 26, 67, 78], Operations: [] Exploring Operation: 26+67=93, Resulting Numbers: [76, 78, 93] Generated Node #0,0: 95:[76, 78, 93] Operation: 26+67=93 Exploring Operation: 78/26=3, Resulting Numbers: [76, 67, 3] Generated Node #0,1: 95:[76, 67, 3] Operation: 78/26=3 Exploring Operation: 76-67=9, Resulting Numbers: [26, 78, 9] Generated Node #0,2: 95:[26, 78, 9] Operation: 76-67=9 Exploring Operation: 78-67=11, Resulting Numbers: [76, 26, 11] Generated Node #0,3: 95:[76, 26, 11] Operation: 78-67=11 Exploring Operation: 78-76=2, Resulting Numbers: [26, 67, 2] Generated Node #0,4: 95:[26, 67, 2] Operation: 78-76=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[26, 78, 9], Operations: ['76-67=9'] Exploring Operation: 26+78=104, Resulting Numbers: [9, 104] Generated Node #0,2,0: 95:[9, 104] Operation: 26+78=104 Exploring Operation: 78/26=3, Resulting Numbers: [9, 3] Generated Node #0,2,1: 95:[9, 3] Operation: 78/26=3 Exploring Operation: 78+9=87, Resulting Numbers: [26, 87] Generated Node #0,2,2: 95:[26, 87] Operation: 78+9=87 Exploring Operation: 26+9=35, Resulting Numbers: [78, 35] Generated Node #0,2,3: 95:[78, 35] Operation: 26+9=35 Exploring Operation: 26-9=17, Resulting Numbers: [78, 17] Generated Node #0,2,4: 95:[78, 17] Operation: 26-9=17 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 95:[9, 3], Operations: ['76-67=9', '78/26=3'] Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,95 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,95 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,95 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 95:[9, 104], Operations: ['76-67=9', '26+78=104'] Exploring Operation: 104-9=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[76, 26, 67, 78], Operations: [] Exploring Operation: 76-67=9, Resulting Numbers: [26, 78, 9] Generated Node #0,2: 95:[26, 78, 9] Operation: 76-67=9 Moving to Node #0,2 Current State: 95:[26, 78, 9], Operations: ['76-67=9'] Exploring Operation: 26+78=104, Resulting Numbers: [9, 104] Generated Node #0,2,0: 95:[9, 104] Operation: 26+78=104 Moving to Node #0,2,0 Current State: 95:[9, 104], Operations: ['76-67=9', '26+78=104'] Exploring Operation: 104-9=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 92, 5, 55, 30 ]
73
[ "92-30=62", "55/5=11", "62+11=73" ]
Current State: 73:[92, 5, 55, 30], Operations: [] Exploring Operation: 92-30=62, Resulting Numbers: [5, 55, 62] Generated Node #2: [5, 55, 62] from Operation: 92-30=62 Current State: 73:[5, 55, 62], Operations: ['92-30=62'] Exploring Operation: 55/5=11, Resulting Numbers: [62, 11] Generated Node #3: [62, 11] from Operation: 55/5=11 Current State: 73:[62, 11], Operations: ['92-30=62', '55/5=11'] Exploring Operation: 62+11=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[92, 5, 55, 30], Operations: [] Exploring Operation: 5+55=60, Resulting Numbers: [92, 30, 60] Generated Node #0,0: 73:[92, 30, 60] Operation: 5+55=60 Exploring Operation: 5+30=35, Resulting Numbers: [92, 55, 35] Generated Node #0,1: 73:[92, 55, 35] Operation: 5+30=35 Exploring Operation: 92-5=87, Resulting Numbers: [55, 30, 87] Generated Node #0,2: 73:[55, 30, 87] Operation: 92-5=87 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[92, 30, 60], Operations: ['5+55=60'] Exploring Operation: 92+30=122, Resulting Numbers: [60, 122] Generated Node #0,0,0: 73:[60, 122] Operation: 92+30=122 Exploring Operation: 92-30=62, Resulting Numbers: [60, 62] Generated Node #0,0,1: 73:[60, 62] Operation: 92-30=62 Exploring Operation: 30+60=90, Resulting Numbers: [92, 90] Generated Node #0,0,2: 73:[92, 90] Operation: 30+60=90 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 73:[60, 62], Operations: ['5+55=60', '92-30=62'] Exploring Operation: 60*62=3720, Resulting Numbers: [3720] 3720,73 unequal: No Solution Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 60+62=122, Resulting Numbers: [122] 122,73 unequal: No Solution No 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: 73:[92, 90], Operations: ['5+55=60', '30+60=90'] Exploring Operation: 92-90=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 92+90=182, Resulting Numbers: [182] 182,73 unequal: No Solution Exploring Operation: 92*90=8280, Resulting Numbers: [8280] 8280,73 unequal: No Solution No 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: 73:[60, 122], Operations: ['5+55=60', '92+30=122'] Exploring Operation: 60+122=182, Resulting Numbers: [182] 182,73 unequal: No Solution Exploring Operation: 60*122=7320, Resulting Numbers: [7320] 7320,73 unequal: No Solution Exploring Operation: 122-60=62, Resulting Numbers: [62] 62,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[92, 55, 35], Operations: ['5+30=35'] Exploring Operation: 92+35=127, Resulting Numbers: [55, 127] Generated Node #0,1,0: 73:[55, 127] Operation: 92+35=127 Exploring Operation: 92-35=57, Resulting Numbers: [55, 57] Generated Node #0,1,1: 73:[55, 57] Operation: 92-35=57 Exploring Operation: 55+35=90, Resulting Numbers: [92, 90] Generated Node #0,1,2: 73:[92, 90] Operation: 55+35=90 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 73:[55, 57], Operations: ['5+30=35', '92-35=57'] Exploring Operation: 55*57=3135, Resulting Numbers: [3135] 3135,73 unequal: No Solution Exploring Operation: 55+57=112, Resulting Numbers: [112] 112,73 unequal: No Solution Exploring Operation: 57-55=2, Resulting Numbers: [2] 2,73 unequal: No Solution No 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: 73:[92, 90], Operations: ['5+30=35', '55+35=90'] Exploring Operation: 92+90=182, Resulting Numbers: [182] 182,73 unequal: No Solution Exploring Operation: 92*90=8280, Resulting Numbers: [8280] 8280,73 unequal: No Solution Exploring Operation: 92-90=2, Resulting Numbers: [2] 2,73 unequal: No Solution No 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: 73:[55, 127], Operations: ['5+30=35', '92+35=127'] Exploring Operation: 55+127=182, Resulting Numbers: [182] 182,73 unequal: No Solution Exploring Operation: 55*127=6985, Resulting Numbers: [6985] 6985,73 unequal: No Solution Exploring Operation: 127-55=72, Resulting Numbers: [72] 72,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[55, 30, 87], Operations: ['92-5=87'] Exploring Operation: 87-30=57, Resulting Numbers: [55, 57] Generated Node #0,2,0: 73:[55, 57] Operation: 87-30=57 Exploring Operation: 55-30=25, Resulting Numbers: [87, 25] Generated Node #0,2,1: 73:[87, 25] Operation: 55-30=25 Exploring Operation: 55+30=85, Resulting Numbers: [87, 85] Generated Node #0,2,2: 73:[87, 85] Operation: 55+30=85 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 73:[87, 85], Operations: ['92-5=87', '55+30=85'] Exploring Operation: 87*85=7395, Resulting Numbers: [7395] 7395,73 unequal: No Solution Exploring Operation: 87-85=2, Resulting Numbers: [2] 2,73 unequal: No Solution Exploring Operation: 87+85=172, Resulting Numbers: [172] 172,73 unequal: No Solution No 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: 73:[55, 57], Operations: ['92-5=87', '87-30=57'] Exploring Operation: 55+57=112, Resulting Numbers: [112] 112,73 unequal: No Solution Exploring Operation: 55*57=3135, Resulting Numbers: [3135] 3135,73 unequal: No Solution Exploring Operation: 57-55=2, Resulting Numbers: [2] 2,73 unequal: No Solution No 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: 73:[87, 25], Operations: ['92-5=87', '55-30=25'] Exploring Operation: 87+25=112, Resulting Numbers: [112] 112,73 unequal: No Solution Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,73 unequal: No Solution Exploring Operation: 87*25=2175, Resulting Numbers: [2175] 2175,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 73, 77, 58, 97 ]
35
[ "77-73=4", "97-58=39", "39-4=35" ]
Current State: 35:[73, 77, 58, 97], Operations: [] Exploring Operation: 77-73=4, Resulting Numbers: [58, 97, 4] Generated Node #2: [58, 97, 4] from Operation: 77-73=4 Current State: 35:[58, 97, 4], Operations: ['77-73=4'] Exploring Operation: 97-58=39, Resulting Numbers: [4, 39] Generated Node #3: [4, 39] from Operation: 97-58=39 Current State: 35:[4, 39], Operations: ['77-73=4', '97-58=39'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[73, 77, 58, 97], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [77, 58, 24] Generated Node #0,0: 35:[77, 58, 24] Operation: 97-73=24 Exploring Operation: 97-58=39, Resulting Numbers: [73, 77, 39] Generated Node #0,1: 35:[73, 77, 39] Operation: 97-58=39 Exploring Operation: 97-77=20, Resulting Numbers: [73, 58, 20] Generated Node #0,2: 35:[73, 58, 20] Operation: 97-77=20 Moving to Node #0,2 Current State: 35:[73, 58, 20], Operations: ['97-77=20'] Exploring Operation: 58-20=38, Resulting Numbers: [73, 38] Generated Node #0,2,0: 35:[73, 38] Operation: 58-20=38 Exploring Operation: 73-20=53, Resulting Numbers: [58, 53] Generated Node #0,2,1: 35:[58, 53] Operation: 73-20=53 Exploring Operation: 73-58=15, Resulting Numbers: [20, 15] Generated Node #0,2,2: 35:[20, 15] Operation: 73-58=15 Moving to Node #0,0 Current State: 35:[77, 58, 24], Operations: ['97-73=24'] Exploring Operation: 77-24=53, Resulting Numbers: [58, 53] Generated Node #0,0,0: 35:[58, 53] Operation: 77-24=53 Exploring Operation: 58-24=34, Resulting Numbers: [77, 34] Generated Node #0,0,1: 35:[77, 34] Operation: 58-24=34 Exploring Operation: 77-58=19, Resulting Numbers: [24, 19] Generated Node #0,0,2: 35:[24, 19] Operation: 77-58=19 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 35:[24, 19], Operations: ['97-73=24', '77-58=19'] Exploring Operation: 24*19=456, Resulting Numbers: [456] 456,35 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 24+19=43, Resulting Numbers: [43] 43,35 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 #0,0,0 Current State: 35:[58, 53], Operations: ['97-73=24', '77-24=53'] Exploring Operation: 58*53=3074, Resulting Numbers: [3074] 3074,35 unequal: No Solution Exploring Operation: 58+53=111, Resulting Numbers: [111] 111,35 unequal: No Solution Exploring Operation: 58-53=5, Resulting Numbers: [5] 5,35 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 #0,0,1 Current State: 35:[77, 34], Operations: ['97-73=24', '58-24=34'] Exploring Operation: 77*34=2618, Resulting Numbers: [2618] 2618,35 unequal: No Solution Exploring Operation: 77+34=111, Resulting Numbers: [111] 111,35 unequal: No Solution Exploring Operation: 77-34=43, Resulting Numbers: [43] 43,35 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: 35:[73, 77, 39], Operations: ['97-58=39'] Exploring Operation: 77-73=4, Resulting Numbers: [39, 4] Generated Node #0,1,0: 35:[39, 4] Operation: 77-73=4 Exploring Operation: 77-39=38, Resulting Numbers: [73, 38] Generated Node #0,1,1: 35:[73, 38] Operation: 77-39=38 Exploring Operation: 73-39=34, Resulting Numbers: [77, 34] Generated Node #0,1,2: 35:[77, 34] Operation: 73-39=34 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[39, 4], Operations: ['97-58=39', '77-73=4'] Exploring Operation: 39*4=156, Resulting Numbers: [156] 156,35 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[73, 77, 58, 97], Operations: [] Exploring Operation: 97-58=39, Resulting Numbers: [73, 77, 39] Generated Node #0,1: 35:[73, 77, 39] Operation: 97-58=39 Moving to Node #0,1 Current State: 35:[73, 77, 39], Operations: ['97-58=39'] Exploring Operation: 77-73=4, Resulting Numbers: [39, 4] Generated Node #0,1,0: 35:[39, 4] Operation: 77-73=4 Moving to Node #0,1,0 Current State: 35:[39, 4], Operations: ['97-58=39', '77-73=4'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
sum_heuristic
[ 24, 75, 96, 9 ]
91
[ "24-9=15", "75/15=5", "96-5=91" ]
Current State: 91:[24, 75, 96, 9], Operations: [] Exploring Operation: 24-9=15, Resulting Numbers: [75, 96, 15] Generated Node #2: [75, 96, 15] from Operation: 24-9=15 Current State: 91:[75, 96, 15], Operations: ['24-9=15'] Exploring Operation: 75/15=5, Resulting Numbers: [96, 5] Generated Node #3: [96, 5] from Operation: 75/15=5 Current State: 91:[96, 5], Operations: ['24-9=15', '75/15=5'] Exploring Operation: 96-5=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[24, 75, 96, 9], Operations: [] Exploring Operation: 24+75=99, Resulting Numbers: [96, 9, 99] Generated Node #0,0: 91:[96, 9, 99] Operation: 24+75=99 Moving to Node #0,0 Current State: 91:[96, 9, 99], Operations: ['24+75=99'] Exploring Operation: 99-96=3, Resulting Numbers: [9, 3] Generated Node #0,0,0: 91:[9, 3] Operation: 99-96=3 Moving to Node #0,0,0 Current State: 91:[9, 3], Operations: ['24+75=99', '99-96=3'] Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,91 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 70, 66, 26, 20 ]
81
[ "26-20=6", "66/6=11", "70+11=81" ]
Current State: 81:[70, 66, 26, 20], Operations: [] Exploring Operation: 26-20=6, Resulting Numbers: [70, 66, 6] Generated Node #2: [70, 66, 6] from Operation: 26-20=6 Current State: 81:[70, 66, 6], Operations: ['26-20=6'] Exploring Operation: 66/6=11, Resulting Numbers: [70, 11] Generated Node #3: [70, 11] from Operation: 66/6=11 Current State: 81:[70, 11], Operations: ['26-20=6', '66/6=11'] Exploring Operation: 70+11=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[70, 66, 26, 20], Operations: [] Exploring Operation: 66+20=86, Resulting Numbers: [70, 26, 86] Generated Node #0,0: 81:[70, 26, 86] Operation: 66+20=86 Exploring Operation: 70+20=90, Resulting Numbers: [66, 26, 90] Generated Node #0,1: 81:[66, 26, 90] Operation: 70+20=90 Exploring Operation: 70-66=4, Resulting Numbers: [26, 20, 4] Generated Node #0,2: 81:[26, 20, 4] Operation: 70-66=4 Moving to Node #0,2 Current State: 81:[26, 20, 4], Operations: ['70-66=4'] Exploring Operation: 20/4=5, Resulting Numbers: [26, 5] Generated Node #0,2,0: 81:[26, 5] Operation: 20/4=5 Exploring Operation: 20*4=80, Resulting Numbers: [26, 80] Generated Node #0,2,1: 81:[26, 80] Operation: 20*4=80 Exploring Operation: 26-20=6, Resulting Numbers: [4, 6] Generated Node #0,2,2: 81:[4, 6] Operation: 26-20=6 Moving to Node #0,0 Current State: 81:[70, 26, 86], Operations: ['66+20=86'] Exploring Operation: 70-26=44, Resulting Numbers: [86, 44] Generated Node #0,0,0: 81:[86, 44] Operation: 70-26=44 Exploring Operation: 86-70=16, Resulting Numbers: [26, 16] Generated Node #0,0,1: 81:[26, 16] Operation: 86-70=16 Exploring Operation: 70+26=96, Resulting Numbers: [86, 96] Generated Node #0,0,2: 81:[86, 96] Operation: 70+26=96 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[26, 16], Operations: ['66+20=86', '86-70=16'] Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 26*16=416, Resulting Numbers: [416] 416,81 unequal: No Solution Exploring Operation: 26+16=42, Resulting Numbers: [42] 42,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[86, 96], Operations: ['66+20=86', '70+26=96'] Exploring Operation: 86*96=8256, Resulting Numbers: [8256] 8256,81 unequal: No Solution Exploring Operation: 96-86=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 86+96=182, Resulting Numbers: [182] 182,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[86, 44], Operations: ['66+20=86', '70-26=44'] Exploring Operation: 86-44=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 86*44=3784, Resulting Numbers: [3784] 3784,81 unequal: No Solution Exploring Operation: 86+44=130, Resulting Numbers: [130] 130,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 81:[66, 26, 90], Operations: ['70+20=90'] Exploring Operation: 66+26=92, Resulting Numbers: [90, 92] Generated Node #0,1,0: 81:[90, 92] Operation: 66+26=92 Exploring Operation: 90-66=24, Resulting Numbers: [26, 24] Generated Node #0,1,1: 81:[26, 24] Operation: 90-66=24 Exploring Operation: 66-26=40, Resulting Numbers: [90, 40] Generated Node #0,1,2: 81:[90, 40] Operation: 66-26=40 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[26, 24], Operations: ['70+20=90', '90-66=24'] Exploring Operation: 26*24=624, Resulting Numbers: [624] 624,81 unequal: No Solution Exploring Operation: 26+24=50, Resulting Numbers: [50] 50,81 unequal: No Solution Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[90, 92], Operations: ['70+20=90', '66+26=92'] Exploring Operation: 90*92=8280, Resulting Numbers: [8280] 8280,81 unequal: No Solution Exploring Operation: 92-90=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 90+92=182, Resulting Numbers: [182] 182,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[90, 40], Operations: ['70+20=90', '66-26=40'] Exploring Operation: 90-40=50, Resulting Numbers: [50] 50,81 unequal: No Solution Exploring Operation: 90*40=3600, Resulting Numbers: [3600] 3600,81 unequal: No Solution Exploring Operation: 90+40=130, Resulting Numbers: [130] 130,81 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: 81:[26, 80], Operations: ['70-66=4', '20*4=80'] Exploring Operation: 80-26=54, Resulting Numbers: [54] 54,81 unequal: No Solution Exploring Operation: 26+80=106, Resulting Numbers: [106] 106,81 unequal: No Solution Exploring Operation: 26*80=2080, Resulting Numbers: [2080] 2080,81 unequal: No Solution Moving to Node #0,2,0 Current State: 81:[26, 5], Operations: ['70-66=4', '20/4=5'] Exploring Operation: 26*5=130, Resulting Numbers: [130] 130,81 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,81 unequal: No Solution Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[4, 6], Operations: ['70-66=4', '26-20=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,81 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 3, 2, 39, 83 ]
68
[ "3*39=117", "117-83=34", "2*34=68" ]
Current State: 68:[3, 2, 39, 83], Operations: [] Exploring Operation: 3*39=117, Resulting Numbers: [2, 83, 117] Generated Node #2: [2, 83, 117] from Operation: 3*39=117 Current State: 68:[2, 83, 117], Operations: ['3*39=117'] Exploring Operation: 117-83=34, Resulting Numbers: [2, 34] Generated Node #3: [2, 34] from Operation: 117-83=34 Current State: 68:[2, 34], Operations: ['3*39=117', '117-83=34'] Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[3, 2, 39, 83], Operations: [] Exploring Operation: 83-39=44, Resulting Numbers: [3, 2, 44] Generated Node #0,0: 68:[3, 2, 44] Operation: 83-39=44 Exploring Operation: 39-3=36, Resulting Numbers: [2, 83, 36] Generated Node #0,1: 68:[2, 83, 36] Operation: 39-3=36 Exploring Operation: 83-3=80, Resulting Numbers: [2, 39, 80] Generated Node #0,2: 68:[2, 39, 80] Operation: 83-3=80 Moving to Node #0,0 Current State: 68:[3, 2, 44], Operations: ['83-39=44'] Exploring Operation: 44-2=42, Resulting Numbers: [3, 42] Generated Node #0,0,0: 68:[3, 42] Operation: 44-2=42 Exploring Operation: 44/2=22, Resulting Numbers: [3, 22] Generated Node #0,0,1: 68:[3, 22] Operation: 44/2=22 Exploring Operation: 44-3=41, Resulting Numbers: [2, 41] Generated Node #0,0,2: 68:[2, 41] Operation: 44-3=41 Moving to Node #0,1 Current State: 68:[2, 83, 36], Operations: ['39-3=36'] Exploring Operation: 36-2=34, Resulting Numbers: [83, 34] Generated Node #0,1,0: 68:[83, 34] Operation: 36-2=34 Exploring Operation: 83-2=81, Resulting Numbers: [36, 81] Generated Node #0,1,1: 68:[36, 81] Operation: 83-2=81 Exploring Operation: 83-36=47, Resulting Numbers: [2, 47] Generated Node #0,1,2: 68:[2, 47] Operation: 83-36=47 Moving to Node #0,2 Current State: 68:[2, 39, 80], Operations: ['83-3=80'] Exploring Operation: 39-2=37, Resulting Numbers: [80, 37] Generated Node #0,2,0: 68:[80, 37] Operation: 39-2=37 Exploring Operation: 80-39=41, Resulting Numbers: [2, 41] Generated Node #0,2,1: 68:[2, 41] Operation: 80-39=41 Exploring Operation: 80/2=40, Resulting Numbers: [39, 40] Generated Node #0,2,2: 68:[39, 40] Operation: 80/2=40 Moving to Node #0,0,1 Current State: 68:[3, 22], Operations: ['83-39=44', '44/2=22'] Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[2, 41], Operations: ['83-3=80', '80-39=41'] Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,68 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[2, 41], Operations: ['83-39=44', '44-3=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,68 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[3, 42], Operations: ['83-39=44', '44-2=42'] Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,68 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,68 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,68 unequal: No Solution Moving to Node #0,2,2 Current State: 68:[39, 40], Operations: ['83-3=80', '80/2=40'] Exploring Operation: 39*40=1560, Resulting Numbers: [1560] 1560,68 unequal: No Solution Exploring Operation: 39+40=79, Resulting Numbers: [79] 79,68 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[2, 47], Operations: ['39-3=36', '83-36=47'] Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,68 unequal: No Solution Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,68 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[36, 81], Operations: ['39-3=36', '83-2=81'] Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,68 unequal: No Solution Exploring Operation: 36*81=2916, Resulting Numbers: [2916] 2916,68 unequal: No Solution Exploring Operation: 36+81=117, Resulting Numbers: [117] 117,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[80, 37], Operations: ['83-3=80', '39-2=37'] Exploring Operation: 80*37=2960, Resulting Numbers: [2960] 2960,68 unequal: No Solution Exploring Operation: 80+37=117, Resulting Numbers: [117] 117,68 unequal: No Solution Exploring Operation: 80-37=43, Resulting Numbers: [43] 43,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[83, 34], Operations: ['39-3=36', '36-2=34'] Exploring Operation: 83*34=2822, Resulting Numbers: [2822] 2822,68 unequal: No Solution Exploring Operation: 83+34=117, Resulting Numbers: [117] 117,68 unequal: No Solution Exploring Operation: 83-34=49, Resulting Numbers: [49] 49,68 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 52, 31, 84, 68 ]
64
[ "52-31=21", "84/21=4", "68-4=64" ]
Current State: 64:[52, 31, 84, 68], Operations: [] Exploring Operation: 52-31=21, Resulting Numbers: [84, 68, 21] Generated Node #2: [84, 68, 21] from Operation: 52-31=21 Current State: 64:[84, 68, 21], Operations: ['52-31=21'] Exploring Operation: 84/21=4, Resulting Numbers: [68, 4] Generated Node #3: [68, 4] from Operation: 84/21=4 Current State: 64:[68, 4], Operations: ['52-31=21', '84/21=4'] Exploring Operation: 68-4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[52, 31, 84, 68], Operations: [] Exploring Operation: 84-68=16, Resulting Numbers: [52, 31, 16] Generated Node #0,0: 64:[52, 31, 16] Operation: 84-68=16 Exploring Operation: 84-52=32, Resulting Numbers: [31, 68, 32] Generated Node #0,1: 64:[31, 68, 32] Operation: 84-52=32 Moving to Node #0,1 Current State: 64:[31, 68, 32], Operations: ['84-52=32'] Exploring Operation: 31+32=63, Resulting Numbers: [68, 63] Generated Node #0,1,0: 64:[68, 63] Operation: 31+32=63 Exploring Operation: 68-31=37, Resulting Numbers: [32, 37] Generated Node #0,1,1: 64:[32, 37] Operation: 68-31=37 Moving to Node #0,0 Current State: 64:[52, 31, 16], Operations: ['84-68=16'] Exploring Operation: 52-31=21, Resulting Numbers: [16, 21] Generated Node #0,0,0: 64:[16, 21] Operation: 52-31=21 Exploring Operation: 52+16=68, Resulting Numbers: [31, 68] Generated Node #0,0,1: 64:[31, 68] Operation: 52+16=68 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[16, 21], Operations: ['84-68=16', '52-31=21'] Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,64 unequal: No Solution No 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: 64:[31, 68], Operations: ['84-68=16', '52+16=68'] Exploring Operation: 68-31=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 31+68=99, Resulting Numbers: [99] 99,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 64:[68, 63], Operations: ['84-52=32', '31+32=63'] Exploring Operation: 68-63=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 68+63=131, Resulting Numbers: [131] 131,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[32, 37], Operations: ['84-52=32', '68-31=37'] Exploring Operation: 32+37=69, Resulting Numbers: [69] 69,64 unequal: No Solution Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,64 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 42, 47, 28, 35 ]
43
[ "42-35=7", "28/7=4", "47-4=43" ]
Current State: 43:[42, 47, 28, 35], Operations: [] Exploring Operation: 42-35=7, Resulting Numbers: [47, 28, 7] Generated Node #2: [47, 28, 7] from Operation: 42-35=7 Current State: 43:[47, 28, 7], Operations: ['42-35=7'] Exploring Operation: 28/7=4, Resulting Numbers: [47, 4] Generated Node #3: [47, 4] from Operation: 28/7=4 Current State: 43:[47, 4], Operations: ['42-35=7', '28/7=4'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[42, 47, 28, 35], Operations: [] Exploring Operation: 47-28=19, Resulting Numbers: [42, 35, 19] Generated Node #0,0: 43:[42, 35, 19] Operation: 47-28=19 Exploring Operation: 42-28=14, Resulting Numbers: [47, 35, 14] Generated Node #0,1: 43:[47, 35, 14] Operation: 42-28=14 Exploring Operation: 28+35=63, Resulting Numbers: [42, 47, 63] Generated Node #0,2: 43:[42, 47, 63] Operation: 28+35=63 Exploring Operation: 42+28=70, Resulting Numbers: [47, 35, 70] Generated Node #0,3: 43:[47, 35, 70] Operation: 42+28=70 Moving to Node #0,2 Current State: 43:[42, 47, 63], Operations: ['28+35=63'] Exploring Operation: 42+47=89, Resulting Numbers: [63, 89] Generated Node #0,2,0: 43:[63, 89] Operation: 42+47=89 Exploring Operation: 47-42=5, Resulting Numbers: [63, 5] Generated Node #0,2,1: 43:[63, 5] Operation: 47-42=5 Exploring Operation: 63-47=16, Resulting Numbers: [42, 16] Generated Node #0,2,2: 43:[42, 16] Operation: 63-47=16 Exploring Operation: 63-42=21, Resulting Numbers: [47, 21] Generated Node #0,2,3: 43:[47, 21] Operation: 63-42=21 Moving to Node #0,0 Current State: 43:[42, 35, 19], Operations: ['47-28=19'] Exploring Operation: 42-19=23, Resulting Numbers: [35, 23] Generated Node #0,0,0: 43:[35, 23] Operation: 42-19=23 Exploring Operation: 35+19=54, Resulting Numbers: [42, 54] Generated Node #0,0,1: 43:[42, 54] Operation: 35+19=54 Exploring Operation: 42+19=61, Resulting Numbers: [35, 61] Generated Node #0,0,2: 43:[35, 61] Operation: 42+19=61 Exploring Operation: 35-19=16, Resulting Numbers: [42, 16] Generated Node #0,0,3: 43:[42, 16] Operation: 35-19=16 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[42, 54], Operations: ['47-28=19', '35+19=54'] Exploring Operation: 42+54=96, Resulting Numbers: [96] 96,43 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 42*54=2268, Resulting Numbers: [2268] 2268,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[35, 61], Operations: ['47-28=19', '42+19=61'] Exploring Operation: 35*61=2135, Resulting Numbers: [2135] 2135,43 unequal: No Solution Exploring Operation: 35+61=96, Resulting Numbers: [96] 96,43 unequal: No Solution Exploring Operation: 61-35=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 #0,0,0 Current State: 43:[35, 23], Operations: ['47-28=19', '42-19=23'] Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 35+23=58, Resulting Numbers: [58] 58,43 unequal: No Solution Exploring Operation: 35*23=805, Resulting Numbers: [805] 805,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 43:[42, 16], Operations: ['47-28=19', '35-19=16'] Exploring Operation: 42*16=672, Resulting Numbers: [672] 672,43 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 43:[47, 35, 70], Operations: ['42+28=70'] Exploring Operation: 70-47=23, Resulting Numbers: [35, 23] Generated Node #0,3,0: 43:[35, 23] Operation: 70-47=23 Exploring Operation: 70/35=2, Resulting Numbers: [47, 2] Generated Node #0,3,1: 43:[47, 2] Operation: 70/35=2 Exploring Operation: 70-35=35, Resulting Numbers: [47, 35] Generated Node #0,3,2: 43:[47, 35] Operation: 70-35=35 Exploring Operation: 47-35=12, Resulting Numbers: [70, 12] Generated Node #0,3,3: 43:[70, 12] Operation: 47-35=12 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 43:[47, 35], Operations: ['42+28=70', '70-35=35'] Exploring Operation: 47+35=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 47*35=1645, Resulting Numbers: [1645] 1645,43 unequal: No Solution Exploring Operation: 47-35=12, Resulting Numbers: [12] 12,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 43:[35, 23], Operations: ['42+28=70', '70-47=23'] Exploring Operation: 35*23=805, Resulting Numbers: [805] 805,43 unequal: No Solution Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 35+23=58, Resulting Numbers: [58] 58,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 43:[47, 2], Operations: ['42+28=70', '70/35=2'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,43 unequal: No Solution Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,43 unequal: No Solution Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 43:[70, 12], Operations: ['42+28=70', '47-35=12'] Exploring Operation: 70+12=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 70*12=840, Resulting Numbers: [840] 840,43 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,43 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: 43:[47, 35, 14], Operations: ['42-28=14'] Exploring Operation: 47-14=33, Resulting Numbers: [35, 33] Generated Node #0,1,0: 43:[35, 33] Operation: 47-14=33 Exploring Operation: 35+14=49, Resulting Numbers: [47, 49] Generated Node #0,1,1: 43:[47, 49] Operation: 35+14=49 Exploring Operation: 47+14=61, Resulting Numbers: [35, 61] Generated Node #0,1,2: 43:[35, 61] Operation: 47+14=61 Exploring Operation: 35-14=21, Resulting Numbers: [47, 21] Generated Node #0,1,3: 43:[47, 21] Operation: 35-14=21 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 43:[47, 49], Operations: ['42-28=14', '35+14=49'] Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 47*49=2303, Resulting Numbers: [2303] 2303,43 unequal: No Solution Exploring Operation: 47+49=96, Resulting Numbers: [96] 96,43 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 #0,1,0 Current State: 43:[35, 33], Operations: ['42-28=14', '47-14=33'] Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 35+33=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 35*33=1155, Resulting Numbers: [1155] 1155,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 43:[35, 61], Operations: ['42-28=14', '47+14=61'] Exploring Operation: 35*61=2135, Resulting Numbers: [2135] 2135,43 unequal: No Solution Exploring Operation: 35+61=96, Resulting Numbers: [96] 96,43 unequal: No Solution Exploring Operation: 61-35=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 #0,1,3 Current State: 43:[47, 21], Operations: ['42-28=14', '35-14=21'] Exploring Operation: 47*21=987, Resulting Numbers: [987] 987,43 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 43:[47, 21], Operations: ['28+35=63', '63-42=21'] Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 47*21=987, Resulting Numbers: [987] 987,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[42, 16], Operations: ['28+35=63', '63-47=16'] Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,43 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 42*16=672, Resulting Numbers: [672] 672,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[63, 5], Operations: ['28+35=63', '47-42=5'] Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,43 unequal: No Solution Exploring Operation: 63+5=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 63*5=315, Resulting Numbers: [315] 315,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[63, 89], Operations: ['28+35=63', '42+47=89'] Exploring Operation: 63*89=5607, Resulting Numbers: [5607] 5607,43 unequal: No Solution Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 63+89=152, Resulting Numbers: [152] 152,43 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 25, 11, 7, 31 ]
99
[ "11-7=4", "31*4=124", "124-25=99" ]
Current State: 99:[25, 11, 7, 31], Operations: [] Exploring Operation: 11-7=4, Resulting Numbers: [25, 31, 4] Generated Node #2: [25, 31, 4] from Operation: 11-7=4 Current State: 99:[25, 31, 4], Operations: ['11-7=4'] Exploring Operation: 31*4=124, Resulting Numbers: [25, 124] Generated Node #3: [25, 124] from Operation: 31*4=124 Current State: 99:[25, 124], Operations: ['11-7=4', '31*4=124'] Exploring Operation: 124-25=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[25, 11, 7, 31], Operations: [] Exploring Operation: 25+7=32, Resulting Numbers: [11, 31, 32] Generated Node #0,0: 99:[11, 31, 32] Operation: 25+7=32 Exploring Operation: 25+11=36, Resulting Numbers: [7, 31, 36] Generated Node #0,1: 99:[7, 31, 36] Operation: 25+11=36 Exploring Operation: 31-25=6, Resulting Numbers: [11, 7, 6] Generated Node #0,2: 99:[11, 7, 6] Operation: 31-25=6 Exploring Operation: 25-11=14, Resulting Numbers: [7, 31, 14] Generated Node #0,3: 99:[7, 31, 14] Operation: 25-11=14 Exploring Operation: 25-7=18, Resulting Numbers: [11, 31, 18] Generated Node #0,4: 99:[11, 31, 18] Operation: 25-7=18 Moving to Node #0,0 Current State: 99:[11, 31, 32], Operations: ['25+7=32'] Exploring Operation: 32-31=1, Resulting Numbers: [11, 1] Generated Node #0,0,0: 99:[11, 1] Operation: 32-31=1 Exploring Operation: 32-11=21, Resulting Numbers: [31, 21] Generated Node #0,0,1: 99:[31, 21] Operation: 32-11=21 Exploring Operation: 11+32=43, Resulting Numbers: [31, 43] Generated Node #0,0,2: 99:[31, 43] Operation: 11+32=43 Exploring Operation: 11+31=42, Resulting Numbers: [32, 42] Generated Node #0,0,3: 99:[32, 42] Operation: 11+31=42 Exploring Operation: 31-11=20, Resulting Numbers: [32, 20] Generated Node #0,0,4: 99:[32, 20] Operation: 31-11=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[11, 1], Operations: ['25+7=32', '32-31=1'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,99 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 #0,0,3 Current State: 99:[32, 42], Operations: ['25+7=32', '11+31=42'] Exploring Operation: 32+42=74, Resulting Numbers: [74] 74,99 unequal: No Solution Exploring Operation: 42-32=10, Resulting Numbers: [10] 10,99 unequal: No Solution Exploring Operation: 32*42=1344, Resulting Numbers: [1344] 1344,99 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:[32, 20], Operations: ['25+7=32', '31-11=20'] Exploring Operation: 32*20=640, Resulting Numbers: [640] 640,99 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,99 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:[31, 21], Operations: ['25+7=32', '32-11=21'] Exploring Operation: 31+21=52, Resulting Numbers: [52] 52,99 unequal: No Solution Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,99 unequal: No Solution Exploring Operation: 31*21=651, Resulting Numbers: [651] 651,99 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:[31, 43], Operations: ['25+7=32', '11+32=43'] Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 31+43=74, Resulting Numbers: [74] 74,99 unequal: No Solution Exploring Operation: 31*43=1333, Resulting Numbers: [1333] 1333,99 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: 99:[11, 7, 6], Operations: ['31-25=6'] Exploring Operation: 11+6=17, Resulting Numbers: [7, 17] Generated Node #0,2,0: 99:[7, 17] Operation: 11+6=17 Exploring Operation: 11-7=4, Resulting Numbers: [6, 4] Generated Node #0,2,1: 99:[6, 4] Operation: 11-7=4 Exploring Operation: 7+6=13, Resulting Numbers: [11, 13] Generated Node #0,2,2: 99:[11, 13] Operation: 7+6=13 Exploring Operation: 7-6=1, Resulting Numbers: [11, 1] Generated Node #0,2,3: 99:[11, 1] Operation: 7-6=1 Exploring Operation: 11-6=5, Resulting Numbers: [7, 5] Generated Node #0,2,4: 99:[7, 5] Operation: 11-6=5 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 99:[11, 13], Operations: ['31-25=6', '7+6=13'] Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,99 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,99 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 99:[11, 1], Operations: ['31-25=6', '7-6=1'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,99 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 99:[6, 4], Operations: ['31-25=6', '11-7=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,99 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 99:[7, 5], Operations: ['31-25=6', '11-6=5'] Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,99 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 99:[7, 17], Operations: ['31-25=6', '11+6=17'] Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,99 unequal: No Solution Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,99 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,99 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: 99:[7, 31, 36], Operations: ['25+11=36'] Exploring Operation: 36-31=5, Resulting Numbers: [7, 5] Generated Node #0,1,0: 99:[7, 5] Operation: 36-31=5 Exploring Operation: 31-7=24, Resulting Numbers: [36, 24] Generated Node #0,1,1: 99:[36, 24] Operation: 31-7=24 Exploring Operation: 7+31=38, Resulting Numbers: [36, 38] Generated Node #0,1,2: 99:[36, 38] Operation: 7+31=38 Exploring Operation: 36-7=29, Resulting Numbers: [31, 29] Generated Node #0,1,3: 99:[31, 29] Operation: 36-7=29 Exploring Operation: 7+36=43, Resulting Numbers: [31, 43] Generated Node #0,1,4: 99:[31, 43] Operation: 7+36=43 Moving to Node #0,3 Current State: 99:[7, 31, 14], Operations: ['25-11=14'] Exploring Operation: 7+31=38, Resulting Numbers: [14, 38] Generated Node #0,3,0: 99:[14, 38] Operation: 7+31=38 Exploring Operation: 14/7=2, Resulting Numbers: [31, 2] Generated Node #0,3,1: 99:[31, 2] Operation: 14/7=2 Exploring Operation: 14-7=7, Resulting Numbers: [31, 7] Generated Node #0,3,2: 99:[31, 7] Operation: 14-7=7 Exploring Operation: 31-14=17, Resulting Numbers: [7, 17] Generated Node #0,3,3: 99:[7, 17] Operation: 31-14=17 Exploring Operation: 7*14=98, Resulting Numbers: [31, 98] Generated Node #0,3,4: 99:[31, 98] Operation: 7*14=98 Moving to Node #0,4 Current State: 99:[11, 31, 18], Operations: ['25-7=18'] Exploring Operation: 11+31=42, Resulting Numbers: [18, 42] Generated Node #0,4,0: 99:[18, 42] Operation: 11+31=42 Exploring Operation: 18-11=7, Resulting Numbers: [31, 7] Generated Node #0,4,1: 99:[31, 7] Operation: 18-11=7 Exploring Operation: 31-18=13, Resulting Numbers: [11, 13] Generated Node #0,4,2: 99:[11, 13] Operation: 31-18=13 Exploring Operation: 11+18=29, Resulting Numbers: [31, 29] Generated Node #0,4,3: 99:[31, 29] Operation: 11+18=29 Exploring Operation: 31-11=20, Resulting Numbers: [18, 20] Generated Node #0,4,4: 99:[18, 20] Operation: 31-11=20 Moving to Node #0,4,2 Current State: 99:[11, 13], Operations: ['25-7=18', '31-18=13'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,99 unequal: No Solution Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,99 unequal: No Solution Moving to Node #0,3,4 Current State: 99:[31, 98], Operations: ['25-11=14', '7*14=98'] Exploring Operation: 31+98=129, Resulting Numbers: [129] 129,99 unequal: No Solution Exploring Operation: 31*98=3038, Resulting Numbers: [3038] 3038,99 unequal: No Solution Exploring Operation: 98-31=67, Resulting Numbers: [67] 67,99 unequal: No Solution Moving to Node #0,3,1 Current State: 99:[31, 2], Operations: ['25-11=14', '14/7=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,99 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[7, 5], Operations: ['25+11=36', '36-31=5'] Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,99 unequal: No Solution Moving to Node #0,4,1 Current State: 99:[31, 7], Operations: ['25-7=18', '18-11=7'] Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,99 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,99 unequal: No Solution Moving to Node #0,3,2 Current State: 99:[31, 7], Operations: ['25-11=14', '14-7=7'] Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,99 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,99 unequal: No Solution Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,99 unequal: No Solution Moving to Node #0,4,3 Current State: 99:[31, 29], Operations: ['25-7=18', '11+18=29'] Exploring Operation: 31+29=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 31*29=899, Resulting Numbers: [899] 899,99 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,99 unequal: No Solution Moving to Node #0,1,3 Current State: 99:[31, 29], Operations: ['25+11=36', '36-7=29'] Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 31+29=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 31*29=899, Resulting Numbers: [899] 899,99 unequal: No Solution Moving to Node #0,1,2 Current State: 99:[36, 38], Operations: ['25+11=36', '7+31=38'] Exploring Operation: 36+38=74, Resulting Numbers: [74] 74,99 unequal: No Solution Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 36*38=1368, Resulting Numbers: [1368] 1368,99 unequal: No Solution Moving to Node #0,3,3 Current State: 99:[7, 17], Operations: ['25-11=14', '31-14=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,99 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,99 unequal: No Solution Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,99 unequal: No Solution Moving to Node #0,3,0 Current State: 99:[14, 38], Operations: ['25-11=14', '7+31=38'] Exploring Operation: 14*38=532, Resulting Numbers: [532] 532,99 unequal: No Solution Exploring Operation: 38-14=24, Resulting Numbers: [24] 24,99 unequal: No Solution Exploring Operation: 14+38=52, Resulting Numbers: [52] 52,99 unequal: No Solution Moving to Node #0,1,4 Current State: 99:[31, 43], Operations: ['25+11=36', '7+36=43'] Exploring Operation: 31*43=1333, Resulting Numbers: [1333] 1333,99 unequal: No Solution Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 31+43=74, Resulting Numbers: [74] 74,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[36, 24], Operations: ['25+11=36', '31-7=24'] Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 36*24=864, Resulting Numbers: [864] 864,99 unequal: No Solution Moving to Node #0,4,0 Current State: 99:[18, 42], Operations: ['25-7=18', '11+31=42'] Exploring Operation: 18+42=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,99 unequal: No Solution Exploring Operation: 18*42=756, Resulting Numbers: [756] 756,99 unequal: No Solution Moving to Node #0,4,4 Current State: 99:[18, 20], Operations: ['25-7=18', '31-11=20'] Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,99 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,99 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 2, 29, 55, 42 ]
34
[ "55-29=26", "42+26=68", "68/2=34" ]
Current State: 34:[2, 29, 55, 42], Operations: [] Exploring Operation: 55-29=26, Resulting Numbers: [2, 42, 26] Generated Node #2: [2, 42, 26] from Operation: 55-29=26 Current State: 34:[2, 42, 26], Operations: ['55-29=26'] Exploring Operation: 42+26=68, Resulting Numbers: [2, 68] Generated Node #3: [2, 68] from Operation: 42+26=68 Current State: 34:[2, 68], Operations: ['55-29=26', '42+26=68'] Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[2, 29, 55, 42], Operations: [] Exploring Operation: 55-42=13, Resulting Numbers: [2, 29, 13] Generated Node #0,0: 34:[2, 29, 13] Operation: 55-42=13 Exploring Operation: 55-29=26, Resulting Numbers: [2, 42, 26] Generated Node #0,1: 34:[2, 42, 26] Operation: 55-29=26 Exploring Operation: 2+29=31, Resulting Numbers: [55, 42, 31] Generated Node #0,2: 34:[55, 42, 31] Operation: 2+29=31 Exploring Operation: 42-29=13, Resulting Numbers: [2, 55, 13] Generated Node #0,3: 34:[2, 55, 13] Operation: 42-29=13 Exploring Operation: 42/2=21, Resulting Numbers: [29, 55, 21] Generated Node #0,4: 34:[29, 55, 21] Operation: 42/2=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[2, 29, 13], Operations: ['55-42=13'] Exploring Operation: 29-2=27, Resulting Numbers: [13, 27] Generated Node #0,0,0: 34:[13, 27] Operation: 29-2=27 Exploring Operation: 2+29=31, Resulting Numbers: [13, 31] Generated Node #0,0,1: 34:[13, 31] Operation: 2+29=31 Exploring Operation: 29-13=16, Resulting Numbers: [2, 16] Generated Node #0,0,2: 34:[2, 16] Operation: 29-13=16 Exploring Operation: 2+13=15, Resulting Numbers: [29, 15] Generated Node #0,0,3: 34:[29, 15] Operation: 2+13=15 Exploring Operation: 29+13=42, Resulting Numbers: [2, 42] Generated Node #0,0,4: 34:[2, 42] Operation: 29+13=42 Moving to Node #0,0,2 Current State: 34:[2, 16], Operations: ['55-42=13', '29-13=16'] Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,34 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,34 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,34 unequal: No Solution Moving to Node #0,0,3 Current State: 34:[29, 15], Operations: ['55-42=13', '2+13=15'] Exploring Operation: 29*15=435, Resulting Numbers: [435] 435,34 unequal: No Solution Exploring Operation: 29+15=44, Resulting Numbers: [44] 44,34 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[13, 31], Operations: ['55-42=13', '2+29=31'] Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 13+31=44, Resulting Numbers: [44] 44,34 unequal: No Solution Exploring Operation: 13*31=403, Resulting Numbers: [403] 403,34 unequal: No Solution Moving to Node #0,0,4 Current State: 34:[2, 42], Operations: ['55-42=13', '29+13=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,34 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[13, 27], Operations: ['55-42=13', '29-2=27'] Exploring Operation: 13*27=351, Resulting Numbers: [351] 351,34 unequal: No Solution Exploring Operation: 13+27=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 27-13=14, Resulting Numbers: [14] 14,34 unequal: No Solution No 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: 34:[2, 42, 26], Operations: ['55-29=26'] Exploring Operation: 26/2=13, Resulting Numbers: [42, 13] Generated Node #0,1,0: 34:[42, 13] Operation: 26/2=13 Exploring Operation: 42-26=16, Resulting Numbers: [2, 16] Generated Node #0,1,1: 34:[2, 16] Operation: 42-26=16 Exploring Operation: 42-2=40, Resulting Numbers: [26, 40] Generated Node #0,1,2: 34:[26, 40] Operation: 42-2=40 Exploring Operation: 42/2=21, Resulting Numbers: [26, 21] Generated Node #0,1,3: 34:[26, 21] Operation: 42/2=21 Exploring Operation: 2+26=28, Resulting Numbers: [42, 28] Generated Node #0,1,4: 34:[42, 28] Operation: 2+26=28 Moving to Node #0,1,1 Current State: 34:[2, 16], Operations: ['55-29=26', '42-26=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,34 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,34 unequal: No Solution Moving to Node #0,1,3 Current State: 34:[26, 21], Operations: ['55-29=26', '42/2=21'] Exploring Operation: 26*21=546, Resulting Numbers: [546] 546,34 unequal: No Solution Exploring Operation: 26+21=47, Resulting Numbers: [47] 47,34 unequal: No Solution Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[42, 13], Operations: ['55-29=26', '26/2=13'] Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,34 unequal: No Solution Exploring Operation: 42*13=546, Resulting Numbers: [546] 546,34 unequal: No Solution Exploring Operation: 42+13=55, Resulting Numbers: [55] 55,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[26, 40], Operations: ['55-29=26', '42-2=40'] Exploring Operation: 26+40=66, Resulting Numbers: [66] 66,34 unequal: No Solution Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,34 unequal: No Solution Exploring Operation: 26*40=1040, Resulting Numbers: [1040] 1040,34 unequal: No Solution Moving to Node #0,1,4 Current State: 34:[42, 28], Operations: ['55-29=26', '2+26=28'] Exploring Operation: 42*28=1176, Resulting Numbers: [1176] 1176,34 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,34 unequal: No Solution Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,34 unequal: No Solution No 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: 34:[2, 55, 13], Operations: ['42-29=13'] Exploring Operation: 13-2=11, Resulting Numbers: [55, 11] Generated Node #0,3,0: 34:[55, 11] Operation: 13-2=11 Exploring Operation: 55-13=42, Resulting Numbers: [2, 42] Generated Node #0,3,1: 34:[2, 42] Operation: 55-13=42 Exploring Operation: 2+13=15, Resulting Numbers: [55, 15] Generated Node #0,3,2: 34:[55, 15] Operation: 2+13=15 Exploring Operation: 2+55=57, Resulting Numbers: [13, 57] Generated Node #0,3,3: 34:[13, 57] Operation: 2+55=57 Exploring Operation: 55-2=53, Resulting Numbers: [13, 53] Generated Node #0,3,4: 34:[13, 53] Operation: 55-2=53 Moving to Node #0,3,1 Current State: 34:[2, 42], Operations: ['42-29=13', '55-13=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,34 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,34 unequal: No Solution Moving to Node #0,3,4 Current State: 34:[13, 53], Operations: ['42-29=13', '55-2=53'] Exploring Operation: 13*53=689, Resulting Numbers: [689] 689,34 unequal: No Solution Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 13+53=66, Resulting Numbers: [66] 66,34 unequal: No Solution Moving to Node #0,3,2 Current State: 34:[55, 15], Operations: ['42-29=13', '2+13=15'] Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 55+15=70, Resulting Numbers: [70] 70,34 unequal: No Solution Exploring Operation: 55*15=825, Resulting Numbers: [825] 825,34 unequal: No Solution Moving to Node #0,3,0 Current State: 34:[55, 11], Operations: ['42-29=13', '13-2=11'] Exploring Operation: 55*11=605, Resulting Numbers: [605] 605,34 unequal: No Solution Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,34 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,34 unequal: No Solution Moving to Node #0,3,3 Current State: 34:[13, 57], Operations: ['42-29=13', '2+55=57'] Exploring Operation: 13+57=70, Resulting Numbers: [70] 70,34 unequal: No Solution Exploring Operation: 13*57=741, Resulting Numbers: [741] 741,34 unequal: No Solution Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,34 unequal: No Solution No 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: 34:[29, 55, 21], Operations: ['42/2=21'] Exploring Operation: 29+21=50, Resulting Numbers: [55, 50] Generated Node #0,4,0: 34:[55, 50] Operation: 29+21=50 Exploring Operation: 55-21=34, Resulting Numbers: [29, 34] Generated Node #0,4,1: 34:[29, 34] Operation: 55-21=34 Exploring Operation: 55-29=26, Resulting Numbers: [21, 26] Generated Node #0,4,2: 34:[21, 26] Operation: 55-29=26 Exploring Operation: 29-21=8, Resulting Numbers: [55, 8] Generated Node #0,4,3: 34:[55, 8] Operation: 29-21=8 Exploring Operation: 55+21=76, Resulting Numbers: [29, 76] Generated Node #0,4,4: 34:[29, 76] Operation: 55+21=76 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 34:[29, 34], Operations: ['42/2=21', '55-21=34'] Exploring Operation: 29+34=63, Resulting Numbers: [63] 63,34 unequal: No Solution Exploring Operation: 29*34=986, Resulting Numbers: [986] 986,34 unequal: No Solution Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,34 unequal: No Solution No 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: 34:[21, 26], Operations: ['42/2=21', '55-29=26'] Exploring Operation: 21*26=546, Resulting Numbers: [546] 546,34 unequal: No Solution Exploring Operation: 21+26=47, Resulting Numbers: [47] 47,34 unequal: No Solution Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,34 unequal: No Solution No 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: 34:[55, 8], Operations: ['42/2=21', '29-21=8'] Exploring Operation: 55*8=440, Resulting Numbers: [440] 440,34 unequal: No Solution Exploring Operation: 55+8=63, Resulting Numbers: [63] 63,34 unequal: No Solution Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,34 unequal: No Solution No 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: 34:[55, 50], Operations: ['42/2=21', '29+21=50'] Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 55*50=2750, Resulting Numbers: [2750] 2750,34 unequal: No Solution Exploring Operation: 55+50=105, Resulting Numbers: [105] 105,34 unequal: No Solution No 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: 34:[29, 76], Operations: ['42/2=21', '55+21=76'] Exploring Operation: 29+76=105, Resulting Numbers: [105] 105,34 unequal: No Solution Exploring Operation: 29*76=2204, Resulting Numbers: [2204] 2204,34 unequal: No Solution Exploring Operation: 76-29=47, Resulting Numbers: [47] 47,34 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: 34:[55, 42, 31], Operations: ['2+29=31'] Exploring Operation: 55-31=24, Resulting Numbers: [42, 24] Generated Node #0,2,0: 34:[42, 24] Operation: 55-31=24 Exploring Operation: 55+31=86, Resulting Numbers: [42, 86] Generated Node #0,2,1: 34:[42, 86] Operation: 55+31=86 Exploring Operation: 55-42=13, Resulting Numbers: [31, 13] Generated Node #0,2,2: 34:[31, 13] Operation: 55-42=13 Exploring Operation: 42-31=11, Resulting Numbers: [55, 11] Generated Node #0,2,3: 34:[55, 11] Operation: 42-31=11 Exploring Operation: 42+31=73, Resulting Numbers: [55, 73] Generated Node #0,2,4: 34:[55, 73] Operation: 42+31=73 Moving to Node #0,2,2 Current State: 34:[31, 13], Operations: ['2+29=31', '55-42=13'] Exploring Operation: 31*13=403, Resulting Numbers: [403] 403,34 unequal: No Solution Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 31+13=44, Resulting Numbers: [44] 44,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[42, 24], Operations: ['2+29=31', '55-31=24'] Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 42+24=66, Resulting Numbers: [66] 66,34 unequal: No Solution Exploring Operation: 42*24=1008, Resulting Numbers: [1008] 1008,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[55, 11], Operations: ['2+29=31', '42-31=11'] Exploring Operation: 55*11=605, Resulting Numbers: [605] 605,34 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,34 unequal: No Solution Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,34 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[42, 86], Operations: ['2+29=31', '55+31=86'] Exploring Operation: 42*86=3612, Resulting Numbers: [3612] 3612,34 unequal: No Solution Exploring Operation: 86-42=44, Resulting Numbers: [44] 44,34 unequal: No Solution Exploring Operation: 42+86=128, Resulting Numbers: [128] 128,34 unequal: No Solution Moving to Node #0,2,4 Current State: 34:[55, 73], Operations: ['2+29=31', '42+31=73'] Exploring Operation: 55+73=128, Resulting Numbers: [128] 128,34 unequal: No Solution Exploring Operation: 55*73=4015, Resulting Numbers: [4015] 4015,34 unequal: No Solution Exploring Operation: 73-55=18, Resulting Numbers: [18] 18,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 7, 23, 7, 6 ]
78
[ "7*7=49", "23+6=29", "49+29=78" ]
Current State: 78:[7, 23, 7, 6], Operations: [] Exploring Operation: 7*7=49, Resulting Numbers: [23, 6, 49] Generated Node #2: [23, 6, 49] from Operation: 7*7=49 Current State: 78:[23, 6, 49], Operations: ['7*7=49'] Exploring Operation: 23+6=29, Resulting Numbers: [49, 29] Generated Node #3: [49, 29] from Operation: 23+6=29 Current State: 78:[49, 29], Operations: ['7*7=49', '23+6=29'] Exploring Operation: 49+29=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[7, 23, 7, 6], Operations: [] Exploring Operation: 23-7=16, Resulting Numbers: [7, 6, 16] Generated Node #0,0: 78:[7, 6, 16] Operation: 23-7=16 Exploring Operation: 7/7=1, Resulting Numbers: [23, 6, 1] Generated Node #0,1: 78:[23, 6, 1] Operation: 7/7=1 Exploring Operation: 7+7=14, Resulting Numbers: [23, 6, 14] Generated Node #0,2: 78:[23, 6, 14] Operation: 7+7=14 Exploring Operation: 7+6=13, Resulting Numbers: [23, 7, 13] Generated Node #0,3: 78:[23, 7, 13] Operation: 7+6=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[7, 6, 16], Operations: ['23-7=16'] Exploring Operation: 16-7=9, Resulting Numbers: [6, 9] Generated Node #0,0,0: 78:[6, 9] Operation: 16-7=9 Exploring Operation: 7+16=23, Resulting Numbers: [6, 23] Generated Node #0,0,1: 78:[6, 23] Operation: 7+16=23 Exploring Operation: 7+6=13, Resulting Numbers: [16, 13] Generated Node #0,0,2: 78:[16, 13] Operation: 7+6=13 Exploring Operation: 7-6=1, Resulting Numbers: [16, 1] Generated Node #0,0,3: 78:[16, 1] Operation: 7-6=1 Moving to Node #0,0,0 Current State: 78:[6, 9], Operations: ['23-7=16', '16-7=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,78 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,78 unequal: No Solution Moving to Node #0,0,2 Current State: 78:[16, 13], Operations: ['23-7=16', '7+6=13'] Exploring Operation: 16*13=208, Resulting Numbers: [208] 208,78 unequal: No Solution Exploring Operation: 16+13=29, Resulting Numbers: [29] 29,78 unequal: No Solution Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[6, 23], Operations: ['23-7=16', '7+16=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,78 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,78 unequal: No Solution Moving to Node #0,0,3 Current State: 78:[16, 1], Operations: ['23-7=16', '7-6=1'] Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,78 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[23, 6, 1], Operations: ['7/7=1'] Exploring Operation: 23+1=24, Resulting Numbers: [6, 24] Generated Node #0,1,0: 78:[6, 24] Operation: 23+1=24 Exploring Operation: 6*1=6, Resulting Numbers: [23, 6] Generated Node #0,1,1: 78:[23, 6] Operation: 6*1=6 Exploring Operation: 23/1=23, Resulting Numbers: [6, 23] Generated Node #0,1,2: 78:[6, 23] Operation: 23/1=23 Exploring Operation: 23*1=23, Resulting Numbers: [6, 23] Generated Node #0,1,3: 78:[6, 23] Operation: 23*1=23 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 78:[6, 24], Operations: ['7/7=1', '23+1=24'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,78 unequal: No Solution Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,78 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,78 unequal: No Solution No 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: 78:[23, 6], Operations: ['7/7=1', '6*1=6'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,78 unequal: No Solution Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,78 unequal: No Solution No 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: 78:[6, 23], Operations: ['7/7=1', '23/1=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,78 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,78 unequal: No Solution No 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: 78:[6, 23], Operations: ['7/7=1', '23*1=23'] Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,78 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,78 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: 78:[23, 6, 14], Operations: ['7+7=14'] Exploring Operation: 23+14=37, Resulting Numbers: [6, 37] Generated Node #0,2,0: 78:[6, 37] Operation: 23+14=37 Exploring Operation: 23-6=17, Resulting Numbers: [14, 17] Generated Node #0,2,1: 78:[14, 17] Operation: 23-6=17 Exploring Operation: 23-14=9, Resulting Numbers: [6, 9] Generated Node #0,2,2: 78:[6, 9] Operation: 23-14=9 Exploring Operation: 23+6=29, Resulting Numbers: [14, 29] Generated Node #0,2,3: 78:[14, 29] Operation: 23+6=29 Moving to Node #0,2,0 Current State: 78:[6, 37], Operations: ['7+7=14', '23+14=37'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,78 unequal: No Solution Exploring Operation: 6*37=222, Resulting Numbers: [222] 222,78 unequal: No Solution Exploring Operation: 6+37=43, Resulting Numbers: [43] 43,78 unequal: No Solution Moving to Node #0,2,2 Current State: 78:[6, 9], Operations: ['7+7=14', '23-14=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,78 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,78 unequal: No Solution Moving to Node #0,2,3 Current State: 78:[14, 29], Operations: ['7+7=14', '23+6=29'] Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,78 unequal: No Solution Exploring Operation: 14*29=406, Resulting Numbers: [406] 406,78 unequal: No Solution Exploring Operation: 14+29=43, Resulting Numbers: [43] 43,78 unequal: No Solution Moving to Node #0,2,1 Current State: 78:[14, 17], Operations: ['7+7=14', '23-6=17'] Exploring Operation: 14+17=31, Resulting Numbers: [31] 31,78 unequal: No Solution Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 14*17=238, Resulting Numbers: [238] 238,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 78:[23, 7, 13], Operations: ['7+6=13'] Exploring Operation: 23+7=30, Resulting Numbers: [13, 30] Generated Node #0,3,0: 78:[13, 30] Operation: 23+7=30 Exploring Operation: 13-7=6, Resulting Numbers: [23, 6] Generated Node #0,3,1: 78:[23, 6] Operation: 13-7=6 Exploring Operation: 23-7=16, Resulting Numbers: [13, 16] Generated Node #0,3,2: 78:[13, 16] Operation: 23-7=16 Exploring Operation: 23+13=36, Resulting Numbers: [7, 36] Generated Node #0,3,3: 78:[7, 36] Operation: 23+13=36 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 78:[23, 6], Operations: ['7+6=13', '13-7=6'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,78 unequal: No Solution Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,78 unequal: No Solution No 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: 78:[13, 16], Operations: ['7+6=13', '23-7=16'] Exploring Operation: 13+16=29, Resulting Numbers: [29] 29,78 unequal: No Solution Exploring Operation: 13*16=208, Resulting Numbers: [208] 208,78 unequal: No Solution Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,78 unequal: No Solution No 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: 78:[13, 30], Operations: ['7+6=13', '23+7=30'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,78 unequal: No Solution Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,78 unequal: No Solution No 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: 78:[7, 36], Operations: ['7+6=13', '23+13=36'] Exploring Operation: 7+36=43, Resulting Numbers: [43] 43,78 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,78 unequal: No Solution Exploring Operation: 7*36=252, Resulting Numbers: [252] 252,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 82, 84, 76, 63 ]
15
[ "84-82=2", "76-63=13", "2+13=15" ]
Current State: 15:[82, 84, 76, 63], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [76, 63, 2] Generated Node #2: [76, 63, 2] from Operation: 84-82=2 Current State: 15:[76, 63, 2], Operations: ['84-82=2'] Exploring Operation: 76-63=13, Resulting Numbers: [2, 13] Generated Node #3: [2, 13] from Operation: 76-63=13 Current State: 15:[2, 13], Operations: ['84-82=2', '76-63=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[82, 84, 76, 63], Operations: [] Exploring Operation: 82-76=6, Resulting Numbers: [84, 63, 6] Generated Node #0,0: 15:[84, 63, 6] Operation: 82-76=6 Exploring Operation: 84-76=8, Resulting Numbers: [82, 63, 8] Generated Node #0,1: 15:[82, 63, 8] Operation: 84-76=8 Exploring Operation: 84-63=21, Resulting Numbers: [82, 76, 21] Generated Node #0,2: 15:[82, 76, 21] Operation: 84-63=21 Exploring Operation: 84-82=2, Resulting Numbers: [76, 63, 2] Generated Node #0,3: 15:[76, 63, 2] Operation: 84-82=2 Exploring Operation: 82-63=19, Resulting Numbers: [84, 76, 19] Generated Node #0,4: 15:[84, 76, 19] Operation: 82-63=19 Start Sub Search at level 1: Moving to Node #0,3 Current State: 15:[76, 63, 2], Operations: ['84-82=2'] Exploring Operation: 76-63=13, Resulting Numbers: [2, 13] Generated Node #0,3,0: 15:[2, 13] Operation: 76-63=13 Exploring Operation: 76-2=74, Resulting Numbers: [63, 74] Generated Node #0,3,1: 15:[63, 74] Operation: 76-2=74 Exploring Operation: 76/2=38, Resulting Numbers: [63, 38] Generated Node #0,3,2: 15:[63, 38] Operation: 76/2=38 Exploring Operation: 63-2=61, Resulting Numbers: [76, 61] Generated Node #0,3,3: 15:[76, 61] Operation: 63-2=61 Exploring Operation: 76+2=78, Resulting Numbers: [63, 78] Generated Node #0,3,4: 15:[63, 78] Operation: 76+2=78 Moving to Node #0,3,0 Current State: 15:[2, 13], Operations: ['84-82=2', '76-63=13'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,15 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[82, 84, 76, 63], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [76, 63, 2] Generated Node #0,3: 15:[76, 63, 2] Operation: 84-82=2 Moving to Node #0,3 Current State: 15:[76, 63, 2], Operations: ['84-82=2'] Exploring Operation: 76-63=13, Resulting Numbers: [2, 13] Generated Node #0,3,0: 15:[2, 13] Operation: 76-63=13 Moving to Node #0,3,0 Current State: 15:[2, 13], Operations: ['84-82=2', '76-63=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 63, 32, 5, 99 ]
56
[ "63-32=31", "5*31=155", "155-99=56" ]
Current State: 56:[63, 32, 5, 99], Operations: [] Exploring Operation: 63-32=31, Resulting Numbers: [5, 99, 31] Generated Node #2: [5, 99, 31] from Operation: 63-32=31 Current State: 56:[5, 99, 31], Operations: ['63-32=31'] Exploring Operation: 5*31=155, Resulting Numbers: [99, 155] Generated Node #3: [99, 155] from Operation: 5*31=155 Current State: 56:[99, 155], Operations: ['63-32=31', '5*31=155'] Exploring Operation: 155-99=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[63, 32, 5, 99], Operations: [] Exploring Operation: 63-5=58, Resulting Numbers: [32, 99, 58] Generated Node #0,0: 56:[32, 99, 58] Operation: 63-5=58 Exploring Operation: 99-63=36, Resulting Numbers: [32, 5, 36] Generated Node #0,1: 56:[32, 5, 36] Operation: 99-63=36 Exploring Operation: 63-32=31, Resulting Numbers: [5, 99, 31] Generated Node #0,2: 56:[5, 99, 31] Operation: 63-32=31 Exploring Operation: 99-32=67, Resulting Numbers: [63, 5, 67] Generated Node #0,3: 56:[63, 5, 67] Operation: 99-32=67 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[32, 5, 36], Operations: ['99-63=36'] Exploring Operation: 36-32=4, Resulting Numbers: [5, 4] Generated Node #0,1,0: 56:[5, 4] Operation: 36-32=4 Exploring Operation: 32-5=27, Resulting Numbers: [36, 27] Generated Node #0,1,1: 56:[36, 27] Operation: 32-5=27 Exploring Operation: 36-5=31, Resulting Numbers: [32, 31] Generated Node #0,1,2: 56:[32, 31] Operation: 36-5=31 Exploring Operation: 32+36=68, Resulting Numbers: [5, 68] Generated Node #0,1,3: 56:[5, 68] Operation: 32+36=68 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 56:[5, 4], Operations: ['99-63=36', '36-32=4'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,56 unequal: No Solution No 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: 56:[32, 31], Operations: ['99-63=36', '36-5=31'] Exploring Operation: 32+31=63, Resulting Numbers: [63] 63,56 unequal: No Solution Exploring Operation: 32*31=992, Resulting Numbers: [992] 992,56 unequal: No Solution Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,56 unequal: No Solution No 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: 56:[36, 27], Operations: ['99-63=36', '32-5=27'] Exploring Operation: 36+27=63, Resulting Numbers: [63] 63,56 unequal: No Solution Exploring Operation: 36*27=972, Resulting Numbers: [972] 972,56 unequal: No Solution Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,56 unequal: No Solution No 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: 56:[5, 68], Operations: ['99-63=36', '32+36=68'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,56 unequal: No Solution Exploring Operation: 5*68=340, Resulting Numbers: [340] 340,56 unequal: No Solution Exploring Operation: 5+68=73, Resulting Numbers: [73] 73,56 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: 56:[63, 5, 67], Operations: ['99-32=67'] Exploring Operation: 67-5=62, Resulting Numbers: [63, 62] Generated Node #0,3,0: 56:[63, 62] Operation: 67-5=62 Exploring Operation: 67-63=4, Resulting Numbers: [5, 4] Generated Node #0,3,1: 56:[5, 4] Operation: 67-63=4 Exploring Operation: 63-5=58, Resulting Numbers: [67, 58] Generated Node #0,3,2: 56:[67, 58] Operation: 63-5=58 Exploring Operation: 63+5=68, Resulting Numbers: [67, 68] Generated Node #0,3,3: 56:[67, 68] Operation: 63+5=68 Moving to Node #0,3,1 Current State: 56:[5, 4], Operations: ['99-32=67', '67-63=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,56 unequal: No Solution Moving to Node #0,3,2 Current State: 56:[67, 58], Operations: ['99-32=67', '63-5=58'] Exploring Operation: 67+58=125, Resulting Numbers: [125] 125,56 unequal: No Solution Exploring Operation: 67*58=3886, Resulting Numbers: [3886] 3886,56 unequal: No Solution Exploring Operation: 67-58=9, Resulting Numbers: [9] 9,56 unequal: No Solution Moving to Node #0,3,0 Current State: 56:[63, 62], Operations: ['99-32=67', '67-5=62'] Exploring Operation: 63-62=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 63+62=125, Resulting Numbers: [125] 125,56 unequal: No Solution Exploring Operation: 63*62=3906, Resulting Numbers: [3906] 3906,56 unequal: No Solution Moving to Node #0,3,3 Current State: 56:[67, 68], Operations: ['99-32=67', '63+5=68'] Exploring Operation: 68-67=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 67+68=135, Resulting Numbers: [135] 135,56 unequal: No Solution Exploring Operation: 67*68=4556, Resulting Numbers: [4556] 4556,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 56:[5, 99, 31], Operations: ['63-32=31'] Exploring Operation: 31-5=26, Resulting Numbers: [99, 26] Generated Node #0,2,0: 56:[99, 26] Operation: 31-5=26 Exploring Operation: 5+99=104, Resulting Numbers: [31, 104] Generated Node #0,2,1: 56:[31, 104] Operation: 5+99=104 Exploring Operation: 99-5=94, Resulting Numbers: [31, 94] Generated Node #0,2,2: 56:[31, 94] Operation: 99-5=94 Exploring Operation: 99-31=68, Resulting Numbers: [5, 68] Generated Node #0,2,3: 56:[5, 68] Operation: 99-31=68 Moving to Node #0,2,3 Current State: 56:[5, 68], Operations: ['63-32=31', '99-31=68'] Exploring Operation: 5+68=73, Resulting Numbers: [73] 73,56 unequal: No Solution Exploring Operation: 5*68=340, Resulting Numbers: [340] 340,56 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,56 unequal: No Solution Moving to Node #0,2,2 Current State: 56:[31, 94], Operations: ['63-32=31', '99-5=94'] Exploring Operation: 94-31=63, Resulting Numbers: [63] 63,56 unequal: No Solution Exploring Operation: 31*94=2914, Resulting Numbers: [2914] 2914,56 unequal: No Solution Exploring Operation: 31+94=125, Resulting Numbers: [125] 125,56 unequal: No Solution Moving to Node #0,2,0 Current State: 56:[99, 26], Operations: ['63-32=31', '31-5=26'] Exploring Operation: 99*26=2574, Resulting Numbers: [2574] 2574,56 unequal: No Solution Exploring Operation: 99+26=125, Resulting Numbers: [125] 125,56 unequal: No Solution Exploring Operation: 99-26=73, Resulting Numbers: [73] 73,56 unequal: No Solution Moving to Node #0,2,1 Current State: 56:[31, 104], Operations: ['63-32=31', '5+99=104'] Exploring Operation: 104-31=73, Resulting Numbers: [73] 73,56 unequal: No Solution Exploring Operation: 31+104=135, Resulting Numbers: [135] 135,56 unequal: No Solution Exploring Operation: 31*104=3224, Resulting Numbers: [3224] 3224,56 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 Current State: 56:[32, 99, 58], Operations: ['63-5=58'] Exploring Operation: 99-32=67, Resulting Numbers: [58, 67] Generated Node #0,0,0: 56:[58, 67] Operation: 99-32=67 Exploring Operation: 58-32=26, Resulting Numbers: [99, 26] Generated Node #0,0,1: 56:[99, 26] Operation: 58-32=26 Exploring Operation: 32+99=131, Resulting Numbers: [58, 131] Generated Node #0,0,2: 56:[58, 131] Operation: 32+99=131 Exploring Operation: 99-58=41, Resulting Numbers: [32, 41] Generated Node #0,0,3: 56:[32, 41] Operation: 99-58=41 Moving to Node #0,0,0 Current State: 56:[58, 67], Operations: ['63-5=58', '99-32=67'] Exploring Operation: 67-58=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 58*67=3886, Resulting Numbers: [3886] 3886,56 unequal: No Solution Exploring Operation: 58+67=125, Resulting Numbers: [125] 125,56 unequal: No Solution Moving to Node #0,0,3 Current State: 56:[32, 41], Operations: ['63-5=58', '99-58=41'] Exploring Operation: 32*41=1312, Resulting Numbers: [1312] 1312,56 unequal: No Solution Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 32+41=73, Resulting Numbers: [73] 73,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[99, 26], Operations: ['63-5=58', '58-32=26'] Exploring Operation: 99-26=73, Resulting Numbers: [73] 73,56 unequal: No Solution Exploring Operation: 99+26=125, Resulting Numbers: [125] 125,56 unequal: No Solution Exploring Operation: 99*26=2574, Resulting Numbers: [2574] 2574,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[58, 131], Operations: ['63-5=58', '32+99=131'] Exploring Operation: 131-58=73, Resulting Numbers: [73] 73,56 unequal: No Solution Exploring Operation: 58+131=189, Resulting Numbers: [189] 189,56 unequal: No Solution Exploring Operation: 58*131=7598, Resulting Numbers: [7598] 7598,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 64, 44, 4, 96 ]
80
[ "64-44=20", "4+96=100", "100-20=80" ]
Current State: 80:[64, 44, 4, 96], Operations: [] Exploring Operation: 64-44=20, Resulting Numbers: [4, 96, 20] Generated Node #2: [4, 96, 20] from Operation: 64-44=20 Current State: 80:[4, 96, 20], Operations: ['64-44=20'] Exploring Operation: 4+96=100, Resulting Numbers: [20, 100] Generated Node #3: [20, 100] from Operation: 4+96=100 Current State: 80:[20, 100], Operations: ['64-44=20', '4+96=100'] Exploring Operation: 100-20=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[64, 44, 4, 96], Operations: [] Exploring Operation: 96-64=32, Resulting Numbers: [44, 4, 32] Generated Node #0,0: 80:[44, 4, 32] Operation: 96-64=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[44, 4, 32], Operations: ['96-64=32'] Exploring Operation: 44-32=12, Resulting Numbers: [4, 12] Generated Node #0,0,0: 80:[4, 12] Operation: 44-32=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[4, 12], Operations: ['96-64=32', '44-32=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 57, 80, 36, 83 ]
17
[ "83-80=3", "57/3=19", "36-19=17" ]
Current State: 17:[57, 80, 36, 83], Operations: [] Exploring Operation: 83-80=3, Resulting Numbers: [57, 36, 3] Generated Node #2: [57, 36, 3] from Operation: 83-80=3 Current State: 17:[57, 36, 3], Operations: ['83-80=3'] Exploring Operation: 57/3=19, Resulting Numbers: [36, 19] Generated Node #3: [36, 19] from Operation: 57/3=19 Current State: 17:[36, 19], Operations: ['83-80=3', '57/3=19'] Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[57, 80, 36, 83], Operations: [] Exploring Operation: 83-80=3, Resulting Numbers: [57, 36, 3] Generated Node #0,0: 17:[57, 36, 3] Operation: 83-80=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[57, 36, 3], Operations: ['83-80=3'] Exploring Operation: 57-36=21, Resulting Numbers: [3, 21] Generated Node #0,0,0: 17:[3, 21] Operation: 57-36=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[3, 21], Operations: ['83-80=3', '57-36=21'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 18, 86, 99, 64 ]
95
[ "86-18=68", "99+64=163", "163-68=95" ]
Current State: 95:[18, 86, 99, 64], Operations: [] Exploring Operation: 86-18=68, Resulting Numbers: [99, 64, 68] Generated Node #2: [99, 64, 68] from Operation: 86-18=68 Current State: 95:[99, 64, 68], Operations: ['86-18=68'] Exploring Operation: 99+64=163, Resulting Numbers: [68, 163] Generated Node #3: [68, 163] from Operation: 99+64=163 Current State: 95:[68, 163], Operations: ['86-18=68', '99+64=163'] Exploring Operation: 163-68=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[18, 86, 99, 64], Operations: [] Exploring Operation: 86-64=22, Resulting Numbers: [18, 99, 22] Generated Node #0,0: 95:[18, 99, 22] Operation: 86-64=22 Moving to Node #0,0 Current State: 95:[18, 99, 22], Operations: ['86-64=22'] Exploring Operation: 22-18=4, Resulting Numbers: [99, 4] Generated Node #0,0,0: 95:[99, 4] Operation: 22-18=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[99, 4], Operations: ['86-64=22', '22-18=4'] Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[18, 86, 99, 64], Operations: [] Exploring Operation: 86-64=22, Resulting Numbers: [18, 99, 22] Generated Node #0,0: 95:[18, 99, 22] Operation: 86-64=22 Moving to Node #0,0 Current State: 95:[18, 99, 22], Operations: ['86-64=22'] Exploring Operation: 22-18=4, Resulting Numbers: [99, 4] Generated Node #0,0,0: 95:[99, 4] Operation: 22-18=4 Moving to Node #0,0,0 Current State: 95:[99, 4], Operations: ['86-64=22', '22-18=4'] Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 14, 6, 96, 96 ]
66
[ "96-14=82", "96/6=16", "82-16=66" ]
Current State: 66:[14, 6, 96, 96], Operations: [] Exploring Operation: 96-14=82, Resulting Numbers: [6, 82] Generated Node #2: [6, 82] from Operation: 96-14=82 Current State: 66:[6, 82], Operations: ['96-14=82'] Exploring Operation: 96/6=16, Resulting Numbers: [82, 16] Generated Node #3: [82, 16] from Operation: 96/6=16 Current State: 66:[82, 16], Operations: ['96-14=82', '96/6=16'] Exploring Operation: 82-16=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[14, 6, 96, 96], Operations: [] Exploring Operation: 96/6=16, Resulting Numbers: [14, 96, 16] Generated Node #0,0: 66:[14, 96, 16] Operation: 96/6=16 Exploring Operation: 96/96=1, Resulting Numbers: [14, 6, 1] Generated Node #0,1: 66:[14, 6, 1] Operation: 96/96=1 Exploring Operation: 96-96=0, Resulting Numbers: [14, 6, 0] Generated Node #0,2: 66:[14, 6, 0] Operation: 96-96=0 Moving to Node #0,1 Current State: 66:[14, 6, 1], Operations: ['96/96=1'] Exploring Operation: 14-1=13, Resulting Numbers: [6, 13] Generated Node #0,1,0: 66:[6, 13] Operation: 14-1=13 Exploring Operation: 14+6=20, Resulting Numbers: [1, 20] Generated Node #0,1,1: 66:[1, 20] Operation: 14+6=20 Exploring Operation: 14-6=8, Resulting Numbers: [1, 8] Generated Node #0,1,2: 66:[1, 8] Operation: 14-6=8 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[6, 13], Operations: ['96/96=1', '14-1=13'] Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,66 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,66 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 66:[1, 20], Operations: ['96/96=1', '14+6=20'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,66 unequal: No Solution Exploring Operation: 1+20=21, Resulting Numbers: [21] 21,66 unequal: No Solution Exploring Operation: 1*20=20, Resulting Numbers: [20] 20,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 66:[1, 8], Operations: ['96/96=1', '14-6=8'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,66 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: 66:[14, 6, 0], Operations: ['96-96=0'] Exploring Operation: 14*0=0, Resulting Numbers: [6, 0] Generated Node #0,2,0: 66:[6, 0] Operation: 14*0=0 Exploring Operation: 14-0=14, Resulting Numbers: [6, 14] Generated Node #0,2,1: 66:[6, 14] Operation: 14-0=14 Exploring Operation: 14+0=14, Resulting Numbers: [6, 14] Generated Node #0,2,2: 66:[6, 14] Operation: 14+0=14 Moving to Node #0,0 Current State: 66:[14, 96, 16], Operations: ['96/6=16'] Exploring Operation: 96-14=82, Resulting Numbers: [16, 82] Generated Node #0,0,0: 66:[16, 82] Operation: 96-14=82 Exploring Operation: 96/16=6, Resulting Numbers: [14, 6] Generated Node #0,0,1: 66:[14, 6] Operation: 96/16=6 Exploring Operation: 96-16=80, Resulting Numbers: [14, 80] Generated Node #0,0,2: 66:[14, 80] Operation: 96-16=80 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[14, 6], Operations: ['96/6=16', '96/16=6'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,66 unequal: No Solution Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 66:[14, 80], Operations: ['96/6=16', '96-16=80'] Exploring Operation: 14+80=94, Resulting Numbers: [94] 94,66 unequal: No Solution Exploring Operation: 14*80=1120, Resulting Numbers: [1120] 1120,66 unequal: No Solution Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[14, 6, 96, 96], Operations: [] Exploring Operation: 96/6=16, Resulting Numbers: [14, 96, 16] Generated Node #0,0: 66:[14, 96, 16] Operation: 96/6=16 Moving to Node #0,0 Current State: 66:[14, 96, 16], Operations: ['96/6=16'] Exploring Operation: 96-16=80, Resulting Numbers: [14, 80] Generated Node #0,0,2: 66:[14, 80] Operation: 96-16=80 Moving to Node #0,0,2 Current State: 66:[14, 80], Operations: ['96/6=16', '96-16=80'] Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 26, 6, 85, 5 ]
54
[ "85/5=17", "26-17=9", "6*9=54" ]
Current State: 54:[26, 6, 85, 5], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [26, 6, 17] Generated Node #2: [26, 6, 17] from Operation: 85/5=17 Current State: 54:[26, 6, 17], Operations: ['85/5=17'] Exploring Operation: 26-17=9, Resulting Numbers: [6, 9] Generated Node #3: [6, 9] from Operation: 26-17=9 Current State: 54:[6, 9], Operations: ['85/5=17', '26-17=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[26, 6, 85, 5], Operations: [] Exploring Operation: 85-6=79, Resulting Numbers: [26, 5, 79] Generated Node #0,0: 54:[26, 5, 79] Operation: 85-6=79 Exploring Operation: 85-5=80, Resulting Numbers: [26, 6, 80] Generated Node #0,1: 54:[26, 6, 80] Operation: 85-5=80 Exploring Operation: 85-26=59, Resulting Numbers: [6, 5, 59] Generated Node #0,2: 54:[6, 5, 59] Operation: 85-26=59 Exploring Operation: 85/5=17, Resulting Numbers: [26, 6, 17] Generated Node #0,3: 54:[26, 6, 17] Operation: 85/5=17 Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[26, 6, 17], Operations: ['85/5=17'] Exploring Operation: 26-6=20, Resulting Numbers: [17, 20] Generated Node #0,3,0: 54:[17, 20] Operation: 26-6=20 Exploring Operation: 6+17=23, Resulting Numbers: [26, 23] Generated Node #0,3,1: 54:[26, 23] Operation: 6+17=23 Exploring Operation: 26-17=9, Resulting Numbers: [6, 9] Generated Node #0,3,2: 54:[6, 9] Operation: 26-17=9 Exploring Operation: 17-6=11, Resulting Numbers: [26, 11] Generated Node #0,3,3: 54:[26, 11] Operation: 17-6=11 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 54:[6, 9], Operations: ['85/5=17', '26-17=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[26, 6, 85, 5], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [26, 6, 17] Generated Node #0,3: 54:[26, 6, 17] Operation: 85/5=17 Moving to Node #0,3 Current State: 54:[26, 6, 17], Operations: ['85/5=17'] Exploring Operation: 26-17=9, Resulting Numbers: [6, 9] Generated Node #0,3,2: 54:[6, 9] Operation: 26-17=9 Moving to Node #0,3,2 Current State: 54:[6, 9], Operations: ['85/5=17', '26-17=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 78, 12, 32, 72 ]
19
[ "78*12=936", "936/72=13", "32-13=19" ]
Current State: 19:[78, 12, 32, 72], Operations: [] Exploring Operation: 78*12=936, Resulting Numbers: [32, 72, 936] Generated Node #2: [32, 72, 936] from Operation: 78*12=936 Current State: 19:[32, 72, 936], Operations: ['78*12=936'] Exploring Operation: 936/72=13, Resulting Numbers: [32, 13] Generated Node #3: [32, 13] from Operation: 936/72=13 Current State: 19:[32, 13], Operations: ['78*12=936', '936/72=13'] Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[78, 12, 32, 72], Operations: [] Exploring Operation: 78-72=6, Resulting Numbers: [12, 32, 6] Generated Node #0,0: 19:[12, 32, 6] Operation: 78-72=6 Exploring Operation: 72/12=6, Resulting Numbers: [78, 32, 6] Generated Node #0,1: 19:[78, 32, 6] Operation: 72/12=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[12, 32, 6], Operations: ['78-72=6'] Exploring Operation: 32-12=20, Resulting Numbers: [6, 20] Generated Node #0,0,0: 19:[6, 20] Operation: 32-12=20 Exploring Operation: 12+6=18, Resulting Numbers: [32, 18] Generated Node #0,0,1: 19:[32, 18] Operation: 12+6=18 Moving to Node #0,0,0 Current State: 19:[6, 20], Operations: ['78-72=6', '32-12=20'] Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,19 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[32, 18], Operations: ['78-72=6', '12+6=18'] Exploring Operation: 32+18=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[78, 32, 6], Operations: ['72/12=6'] Exploring Operation: 78-32=46, Resulting Numbers: [6, 46] Generated Node #0,1,0: 19:[6, 46] Operation: 78-32=46 Exploring Operation: 78/6=13, Resulting Numbers: [32, 13] Generated Node #0,1,1: 19:[32, 13] Operation: 78/6=13 Moving to Node #0,1,1 Current State: 19:[32, 13], Operations: ['72/12=6', '78/6=13'] Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,19 unequal: No Solution Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[78, 12, 32, 72], Operations: [] Exploring Operation: 72/12=6, Resulting Numbers: [78, 32, 6] Generated Node #0,1: 19:[78, 32, 6] Operation: 72/12=6 Moving to Node #0,1 Current State: 19:[78, 32, 6], Operations: ['72/12=6'] Exploring Operation: 78/6=13, Resulting Numbers: [32, 13] Generated Node #0,1,1: 19:[32, 13] Operation: 78/6=13 Moving to Node #0,1,1 Current State: 19:[32, 13], Operations: ['72/12=6', '78/6=13'] Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 79, 58, 18, 40 ]
79
[ "79+58=137", "18+40=58", "137-58=79" ]
Current State: 79:[79, 58, 18, 40], Operations: [] Exploring Operation: 79+58=137, Resulting Numbers: [18, 40, 137] Generated Node #2: [18, 40, 137] from Operation: 79+58=137 Current State: 79:[18, 40, 137], Operations: ['79+58=137'] Exploring Operation: 18+40=58, Resulting Numbers: [137, 58] Generated Node #3: [137, 58] from Operation: 18+40=58 Current State: 79:[137, 58], Operations: ['79+58=137', '18+40=58'] Exploring Operation: 137-58=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[79, 58, 18, 40], Operations: [] Exploring Operation: 58+18=76, Resulting Numbers: [79, 40, 76] Generated Node #0,0: 79:[79, 40, 76] Operation: 58+18=76 Moving to Node #0,0 Current State: 79:[79, 40, 76], Operations: ['58+18=76'] Exploring Operation: 40+76=116, Resulting Numbers: [79, 116] Generated Node #0,0,0: 79:[79, 116] Operation: 40+76=116 Moving to Node #0,0,0 Current State: 79:[79, 116], Operations: ['58+18=76', '40+76=116'] Exploring Operation: 116-79=37, Resulting Numbers: [37] 37,79 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 56, 97, 4, 8 ]
75
[ "56/4=14", "97-8=89", "89-14=75" ]
Current State: 75:[56, 97, 4, 8], Operations: [] Exploring Operation: 56/4=14, Resulting Numbers: [97, 8, 14] Generated Node #2: [97, 8, 14] from Operation: 56/4=14 Current State: 75:[97, 8, 14], Operations: ['56/4=14'] Exploring Operation: 97-8=89, Resulting Numbers: [14, 89] Generated Node #3: [14, 89] from Operation: 97-8=89 Current State: 75:[14, 89], Operations: ['56/4=14', '97-8=89'] Exploring Operation: 89-14=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[56, 97, 4, 8], Operations: [] Exploring Operation: 56/4=14, Resulting Numbers: [97, 8, 14] Generated Node #0,0: 75:[97, 8, 14] Operation: 56/4=14 Exploring Operation: 97-56=41, Resulting Numbers: [4, 8, 41] Generated Node #0,1: 75:[4, 8, 41] Operation: 97-56=41 Exploring Operation: 56+8=64, Resulting Numbers: [97, 4, 64] Generated Node #0,2: 75:[97, 4, 64] Operation: 56+8=64 Exploring Operation: 97-8=89, Resulting Numbers: [56, 4, 89] Generated Node #0,3: 75:[56, 4, 89] Operation: 97-8=89 Exploring Operation: 56/8=7, Resulting Numbers: [97, 4, 7] Generated Node #0,4: 75:[97, 4, 7] Operation: 56/8=7 Moving to Node #0,1 Current State: 75:[4, 8, 41], Operations: ['97-56=41'] Exploring Operation: 8/4=2, Resulting Numbers: [41, 2] Generated Node #0,1,0: 75:[41, 2] Operation: 8/4=2 Exploring Operation: 41-8=33, Resulting Numbers: [4, 33] Generated Node #0,1,1: 75:[4, 33] Operation: 41-8=33 Exploring Operation: 4+8=12, Resulting Numbers: [41, 12] Generated Node #0,1,2: 75:[41, 12] Operation: 4+8=12 Exploring Operation: 41-4=37, Resulting Numbers: [8, 37] Generated Node #0,1,3: 75:[8, 37] Operation: 41-4=37 Exploring Operation: 8-4=4, Resulting Numbers: [41, 4] Generated Node #0,1,4: 75:[41, 4] Operation: 8-4=4 Moving to Node #0,4 Current State: 75:[97, 4, 7], Operations: ['56/8=7'] Exploring Operation: 97-7=90, Resulting Numbers: [4, 90] Generated Node #0,4,0: 75:[4, 90] Operation: 97-7=90 Exploring Operation: 4*7=28, Resulting Numbers: [97, 28] Generated Node #0,4,1: 75:[97, 28] Operation: 4*7=28 Exploring Operation: 7-4=3, Resulting Numbers: [97, 3] Generated Node #0,4,2: 75:[97, 3] Operation: 7-4=3 Exploring Operation: 4+7=11, Resulting Numbers: [97, 11] Generated Node #0,4,3: 75:[97, 11] Operation: 4+7=11 Exploring Operation: 97-4=93, Resulting Numbers: [7, 93] Generated Node #0,4,4: 75:[7, 93] Operation: 97-4=93 Moving to Node #0,0 Current State: 75:[97, 8, 14], Operations: ['56/4=14'] Exploring Operation: 97-14=83, Resulting Numbers: [8, 83] Generated Node #0,0,0: 75:[8, 83] Operation: 97-14=83 Exploring Operation: 97+8=105, Resulting Numbers: [14, 105] Generated Node #0,0,1: 75:[14, 105] Operation: 97+8=105 Exploring Operation: 8+14=22, Resulting Numbers: [97, 22] Generated Node #0,0,2: 75:[97, 22] Operation: 8+14=22 Exploring Operation: 14-8=6, Resulting Numbers: [97, 6] Generated Node #0,0,3: 75:[97, 6] Operation: 14-8=6 Exploring Operation: 97-8=89, Resulting Numbers: [14, 89] Generated Node #0,0,4: 75:[14, 89] Operation: 97-8=89 Moving to Node #0,2 Current State: 75:[97, 4, 64], Operations: ['56+8=64'] Exploring Operation: 4+64=68, Resulting Numbers: [97, 68] Generated Node #0,2,0: 75:[97, 68] Operation: 4+64=68 Exploring Operation: 97-4=93, Resulting Numbers: [64, 93] Generated Node #0,2,1: 75:[64, 93] Operation: 97-4=93 Exploring Operation: 97+4=101, Resulting Numbers: [64, 101] Generated Node #0,2,2: 75:[64, 101] Operation: 97+4=101 Exploring Operation: 97-64=33, Resulting Numbers: [4, 33] Generated Node #0,2,3: 75:[4, 33] Operation: 97-64=33 Exploring Operation: 64/4=16, Resulting Numbers: [97, 16] Generated Node #0,2,4: 75:[97, 16] Operation: 64/4=16 Moving to Node #0,3 Current State: 75:[56, 4, 89], Operations: ['97-8=89'] Exploring Operation: 56-4=52, Resulting Numbers: [89, 52] Generated Node #0,3,0: 75:[89, 52] Operation: 56-4=52 Exploring Operation: 89-56=33, Resulting Numbers: [4, 33] Generated Node #0,3,1: 75:[4, 33] Operation: 89-56=33 Exploring Operation: 89-4=85, Resulting Numbers: [56, 85] Generated Node #0,3,2: 75:[56, 85] Operation: 89-4=85 Exploring Operation: 56/4=14, Resulting Numbers: [89, 14] Generated Node #0,3,3: 75:[89, 14] Operation: 56/4=14 Exploring Operation: 56+4=60, Resulting Numbers: [89, 60] Generated Node #0,3,4: 75:[89, 60] Operation: 56+4=60 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 75:[4, 33], Operations: ['97-8=89', '89-56=33'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,75 unequal: No Solution Exploring Operation: 4*33=132, Resulting Numbers: [132] 132,75 unequal: No Solution Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 75:[89, 14], Operations: ['97-8=89', '56/4=14'] Exploring Operation: 89+14=103, Resulting Numbers: [103] 103,75 unequal: No Solution Exploring Operation: 89*14=1246, Resulting Numbers: [1246] 1246,75 unequal: No Solution Exploring Operation: 89-14=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[56, 97, 4, 8], Operations: [] Exploring Operation: 97-8=89, Resulting Numbers: [56, 4, 89] Generated Node #0,3: 75:[56, 4, 89] Operation: 97-8=89 Moving to Node #0,3 Current State: 75:[56, 4, 89], Operations: ['97-8=89'] Exploring Operation: 56/4=14, Resulting Numbers: [89, 14] Generated Node #0,3,3: 75:[89, 14] Operation: 56/4=14 Moving to Node #0,3,3 Current State: 75:[89, 14], Operations: ['97-8=89', '56/4=14'] Exploring Operation: 89-14=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_5
sum_heuristic
[ 11, 22, 67, 24 ]
19
[ "22/11=2", "24*2=48", "67-48=19" ]
Current State: 19:[11, 22, 67, 24], Operations: [] Exploring Operation: 22/11=2, Resulting Numbers: [67, 24, 2] Generated Node #2: [67, 24, 2] from Operation: 22/11=2 Current State: 19:[67, 24, 2], Operations: ['22/11=2'] Exploring Operation: 24*2=48, Resulting Numbers: [67, 48] Generated Node #3: [67, 48] from Operation: 24*2=48 Current State: 19:[67, 48], Operations: ['22/11=2', '24*2=48'] Exploring Operation: 67-48=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[11, 22, 67, 24], Operations: [] Exploring Operation: 22-11=11, Resulting Numbers: [67, 24, 11] Generated Node #0,0: 19:[67, 24, 11] Operation: 22-11=11 Exploring Operation: 67-11=56, Resulting Numbers: [22, 24, 56] Generated Node #0,1: 19:[22, 24, 56] Operation: 67-11=56 Exploring Operation: 67-22=45, Resulting Numbers: [11, 24, 45] Generated Node #0,2: 19:[11, 24, 45] Operation: 67-22=45 Exploring Operation: 24-11=13, Resulting Numbers: [22, 67, 13] Generated Node #0,3: 19:[22, 67, 13] Operation: 24-11=13 Exploring Operation: 67-24=43, Resulting Numbers: [11, 22, 43] Generated Node #0,4: 19:[11, 22, 43] Operation: 67-24=43 Moving to Node #0,4 Current State: 19:[11, 22, 43], Operations: ['67-24=43'] Exploring Operation: 11+22=33, Resulting Numbers: [43, 33] Generated Node #0,4,0: 19:[43, 33] Operation: 11+22=33 Exploring Operation: 43-11=32, Resulting Numbers: [22, 32] Generated Node #0,4,1: 19:[22, 32] Operation: 43-11=32 Exploring Operation: 43-22=21, Resulting Numbers: [11, 21] Generated Node #0,4,2: 19:[11, 21] Operation: 43-22=21 Exploring Operation: 11+43=54, Resulting Numbers: [22, 54] Generated Node #0,4,3: 19:[22, 54] Operation: 11+43=54 Exploring Operation: 22-11=11, Resulting Numbers: [43, 11] Generated Node #0,4,4: 19:[43, 11] Operation: 22-11=11 Moving to Node #0,2 Current State: 19:[11, 24, 45], Operations: ['67-22=45'] Exploring Operation: 11+45=56, Resulting Numbers: [24, 56] Generated Node #0,2,0: 19:[24, 56] Operation: 11+45=56 Exploring Operation: 45-11=34, Resulting Numbers: [24, 34] Generated Node #0,2,1: 19:[24, 34] Operation: 45-11=34 Exploring Operation: 45-24=21, Resulting Numbers: [11, 21] Generated Node #0,2,2: 19:[11, 21] Operation: 45-24=21 Exploring Operation: 11+24=35, Resulting Numbers: [45, 35] Generated Node #0,2,3: 19:[45, 35] Operation: 11+24=35 Exploring Operation: 24-11=13, Resulting Numbers: [45, 13] Generated Node #0,2,4: 19:[45, 13] Operation: 24-11=13 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[11, 21], Operations: ['67-22=45', '45-24=21'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,19 unequal: No Solution Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[24, 34], Operations: ['67-22=45', '45-11=34'] Exploring Operation: 24+34=58, Resulting Numbers: [58] 58,19 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 24*34=816, Resulting Numbers: [816] 816,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 19:[45, 13], Operations: ['67-22=45', '24-11=13'] Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,19 unequal: No Solution Exploring Operation: 45*13=585, Resulting Numbers: [585] 585,19 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[24, 56], Operations: ['67-22=45', '11+45=56'] Exploring Operation: 24+56=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 24*56=1344, Resulting Numbers: [1344] 1344,19 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 19:[45, 35], Operations: ['67-22=45', '11+24=35'] Exploring Operation: 45+35=80, Resulting Numbers: [80] 80,19 unequal: No Solution Exploring Operation: 45*35=1575, Resulting Numbers: [1575] 1575,19 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 19:[22, 24, 56], Operations: ['67-11=56'] Exploring Operation: 22+56=78, Resulting Numbers: [24, 78] Generated Node #0,1,0: 19:[24, 78] Operation: 22+56=78 Exploring Operation: 24-22=2, Resulting Numbers: [56, 2] Generated Node #0,1,1: 19:[56, 2] Operation: 24-22=2 Exploring Operation: 22+24=46, Resulting Numbers: [56, 46] Generated Node #0,1,2: 19:[56, 46] Operation: 22+24=46 Exploring Operation: 56-24=32, Resulting Numbers: [22, 32] Generated Node #0,1,3: 19:[22, 32] Operation: 56-24=32 Exploring Operation: 56-22=34, Resulting Numbers: [24, 34] Generated Node #0,1,4: 19:[24, 34] Operation: 56-22=34 Moving to Node #0,3 Current State: 19:[22, 67, 13], Operations: ['24-11=13'] Exploring Operation: 22-13=9, Resulting Numbers: [67, 9] Generated Node #0,3,0: 19:[67, 9] Operation: 22-13=9 Exploring Operation: 67-22=45, Resulting Numbers: [13, 45] Generated Node #0,3,1: 19:[13, 45] Operation: 67-22=45 Exploring Operation: 67+13=80, Resulting Numbers: [22, 80] Generated Node #0,3,2: 19:[22, 80] Operation: 67+13=80 Exploring Operation: 67-13=54, Resulting Numbers: [22, 54] Generated Node #0,3,3: 19:[22, 54] Operation: 67-13=54 Exploring Operation: 22+13=35, Resulting Numbers: [67, 35] Generated Node #0,3,4: 19:[67, 35] Operation: 22+13=35 Moving to Node #0,0 Current State: 19:[67, 24, 11], Operations: ['22-11=11'] Exploring Operation: 67+11=78, Resulting Numbers: [24, 78] Generated Node #0,0,0: 19:[24, 78] Operation: 67+11=78 Exploring Operation: 67-24=43, Resulting Numbers: [11, 43] Generated Node #0,0,1: 19:[11, 43] Operation: 67-24=43 Exploring Operation: 24-11=13, Resulting Numbers: [67, 13] Generated Node #0,0,2: 19:[67, 13] Operation: 24-11=13 Exploring Operation: 24+11=35, Resulting Numbers: [67, 35] Generated Node #0,0,3: 19:[67, 35] Operation: 24+11=35 Exploring Operation: 67-11=56, Resulting Numbers: [24, 56] Generated Node #0,0,4: 19:[24, 56] Operation: 67-11=56 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[11, 43], Operations: ['22-11=11', '67-24=43'] Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 11+43=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 11*43=473, Resulting Numbers: [473] 473,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 19:[24, 56], Operations: ['22-11=11', '67-11=56'] Exploring Operation: 24*56=1344, Resulting Numbers: [1344] 1344,19 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 24+56=80, Resulting Numbers: [80] 80,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[67, 13], Operations: ['22-11=11', '24-11=13'] Exploring Operation: 67*13=871, Resulting Numbers: [871] 871,19 unequal: No Solution Exploring Operation: 67-13=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 67+13=80, Resulting Numbers: [80] 80,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[24, 78], Operations: ['22-11=11', '67+11=78'] Exploring Operation: 24*78=1872, Resulting Numbers: [1872] 1872,19 unequal: No Solution Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 24+78=102, Resulting Numbers: [102] 102,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 19:[67, 35], Operations: ['22-11=11', '24+11=35'] Exploring Operation: 67-35=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 67+35=102, Resulting Numbers: [102] 102,19 unequal: No Solution Exploring Operation: 67*35=2345, Resulting Numbers: [2345] 2345,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,2 Current State: 19:[11, 21], Operations: ['67-24=43', '43-22=21'] Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,19 unequal: No Solution Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[22, 32], Operations: ['67-11=56', '56-24=32'] Exploring Operation: 22*32=704, Resulting Numbers: [704] 704,19 unequal: No Solution Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 22+32=54, Resulting Numbers: [54] 54,19 unequal: No Solution Moving to Node #0,4,1 Current State: 19:[22, 32], Operations: ['67-24=43', '43-11=32'] Exploring Operation: 22+32=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 22*32=704, Resulting Numbers: [704] 704,19 unequal: No Solution Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,19 unequal: No Solution Moving to Node #0,1,4 Current State: 19:[24, 34], Operations: ['67-11=56', '56-22=34'] Exploring Operation: 24+34=58, Resulting Numbers: [58] 58,19 unequal: No Solution Exploring Operation: 24*34=816, Resulting Numbers: [816] 816,19 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,19 unequal: No Solution Moving to Node #0,4,4 Current State: 19:[43, 11], Operations: ['67-24=43', '22-11=11'] Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 43*11=473, Resulting Numbers: [473] 473,19 unequal: No Solution Exploring Operation: 43+11=54, Resulting Numbers: [54] 54,19 unequal: No Solution Moving to Node #0,3,1 Current State: 19:[13, 45], Operations: ['24-11=13', '67-22=45'] Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 13*45=585, Resulting Numbers: [585] 585,19 unequal: No Solution Exploring Operation: 13+45=58, Resulting Numbers: [58] 58,19 unequal: No Solution Moving to Node #0,3,3 Current State: 19:[22, 54], Operations: ['24-11=13', '67-13=54'] Exploring Operation: 22+54=76, Resulting Numbers: [76] 76,19 unequal: No Solution Exploring Operation: 22*54=1188, Resulting Numbers: [1188] 1188,19 unequal: No Solution Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,19 unequal: No Solution Moving to Node #0,4,3 Current State: 19:[22, 54], Operations: ['67-24=43', '11+43=54'] Exploring Operation: 22+54=76, Resulting Numbers: [76] 76,19 unequal: No Solution Exploring Operation: 22*54=1188, Resulting Numbers: [1188] 1188,19 unequal: No Solution Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,19 unequal: No Solution Moving to Node #0,4,0 Current State: 19:[43, 33], Operations: ['67-24=43', '11+22=33'] Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 43*33=1419, Resulting Numbers: [1419] 1419,19 unequal: No Solution Exploring Operation: 43+33=76, Resulting Numbers: [76] 76,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[56, 2], Operations: ['67-11=56', '24-22=2'] Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,19 unequal: No Solution Exploring Operation: 56*2=112, Resulting Numbers: [112] 112,19 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,19 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,19 unequal: No Solution Moving to Node #0,3,0 Current State: 19:[67, 9], Operations: ['24-11=13', '22-13=9'] Exploring Operation: 67-9=58, Resulting Numbers: [58] 58,19 unequal: No Solution Exploring Operation: 67+9=76, Resulting Numbers: [76] 76,19 unequal: No Solution Exploring Operation: 67*9=603, Resulting Numbers: [603] 603,19 unequal: No Solution Moving to Node #0,3,4 Current State: 19:[67, 35], Operations: ['24-11=13', '22+13=35'] Exploring Operation: 67+35=102, Resulting Numbers: [102] 102,19 unequal: No Solution Exploring Operation: 67*35=2345, Resulting Numbers: [2345] 2345,19 unequal: No Solution Exploring Operation: 67-35=32, Resulting Numbers: [32] 32,19 unequal: No Solution Moving to Node #0,3,2 Current State: 19:[22, 80], Operations: ['24-11=13', '67+13=80'] Exploring Operation: 22+80=102, Resulting Numbers: [102] 102,19 unequal: No Solution Exploring Operation: 80-22=58, Resulting Numbers: [58] 58,19 unequal: No Solution Exploring Operation: 22*80=1760, Resulting Numbers: [1760] 1760,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[56, 46], Operations: ['67-11=56', '22+24=46'] Exploring Operation: 56+46=102, Resulting Numbers: [102] 102,19 unequal: No Solution Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 56*46=2576, Resulting Numbers: [2576] 2576,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[24, 78], Operations: ['67-11=56', '22+56=78'] Exploring Operation: 24+78=102, Resulting Numbers: [102] 102,19 unequal: No Solution Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 24*78=1872, Resulting Numbers: [1872] 1872,19 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 85, 3, 35, 62 ]
94
[ "62-35=27", "27/3=9", "85+9=94" ]
Current State: 94:[85, 3, 35, 62], Operations: [] Exploring Operation: 62-35=27, Resulting Numbers: [85, 3, 27] Generated Node #2: [85, 3, 27] from Operation: 62-35=27 Current State: 94:[85, 3, 27], Operations: ['62-35=27'] Exploring Operation: 27/3=9, Resulting Numbers: [85, 9] Generated Node #3: [85, 9] from Operation: 27/3=9 Current State: 94:[85, 9], Operations: ['62-35=27', '27/3=9'] Exploring Operation: 85+9=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[85, 3, 35, 62], Operations: [] Exploring Operation: 35+62=97, Resulting Numbers: [85, 3, 97] Generated Node #0,0: 94:[85, 3, 97] Operation: 35+62=97 Moving to Node #0,0 Current State: 94:[85, 3, 97], Operations: ['35+62=97'] Exploring Operation: 85+3=88, Resulting Numbers: [97, 88] Generated Node #0,0,0: 94:[97, 88] Operation: 85+3=88 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[97, 88], Operations: ['35+62=97', '85+3=88'] Exploring Operation: 97-88=9, Resulting Numbers: [9] 9,94 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
[ 94, 16, 88, 18 ]
95
[ "94+18=112", "112/16=7", "88+7=95" ]
Current State: 95:[94, 16, 88, 18], Operations: [] Exploring Operation: 94+18=112, Resulting Numbers: [16, 88, 112] Generated Node #2: [16, 88, 112] from Operation: 94+18=112 Current State: 95:[16, 88, 112], Operations: ['94+18=112'] Exploring Operation: 112/16=7, Resulting Numbers: [88, 7] Generated Node #3: [88, 7] from Operation: 112/16=7 Current State: 95:[88, 7], Operations: ['94+18=112', '112/16=7'] Exploring Operation: 88+7=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[94, 16, 88, 18], Operations: [] Exploring Operation: 94-88=6, Resulting Numbers: [16, 18, 6] Generated Node #0,0: 95:[16, 18, 6] Operation: 94-88=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[16, 18, 6], Operations: ['94-88=6'] Exploring Operation: 16*6=96, Resulting Numbers: [18, 96] Generated Node #0,0,0: 95:[18, 96] Operation: 16*6=96 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[18, 96], Operations: ['94-88=6', '16*6=96'] Exploring Operation: 96-18=78, Resulting Numbers: [78] 78,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 88, 21, 41, 29 ]
97
[ "88+21=109", "41-29=12", "109-12=97" ]
Current State: 97:[88, 21, 41, 29], Operations: [] Exploring Operation: 88+21=109, Resulting Numbers: [41, 29, 109] Generated Node #2: [41, 29, 109] from Operation: 88+21=109 Current State: 97:[41, 29, 109], Operations: ['88+21=109'] Exploring Operation: 41-29=12, Resulting Numbers: [109, 12] Generated Node #3: [109, 12] from Operation: 41-29=12 Current State: 97:[109, 12], Operations: ['88+21=109', '41-29=12'] Exploring Operation: 109-12=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[88, 21, 41, 29], Operations: [] Exploring Operation: 88+21=109, Resulting Numbers: [41, 29, 109] Generated Node #0,0: 97:[41, 29, 109] Operation: 88+21=109 Exploring Operation: 41+29=70, Resulting Numbers: [88, 21, 70] Generated Node #0,1: 97:[88, 21, 70] Operation: 41+29=70 Exploring Operation: 88+29=117, Resulting Numbers: [21, 41, 117] Generated Node #0,2: 97:[21, 41, 117] Operation: 88+29=117 Exploring Operation: 21+41=62, Resulting Numbers: [88, 29, 62] Generated Node #0,3: 97:[88, 29, 62] Operation: 21+41=62 Exploring Operation: 21+29=50, Resulting Numbers: [88, 41, 50] Generated Node #0,4: 97:[88, 41, 50] Operation: 21+29=50 Moving to Node #0,1 Current State: 97:[88, 21, 70], Operations: ['41+29=70'] Exploring Operation: 88-21=67, Resulting Numbers: [70, 67] Generated Node #0,1,0: 97:[70, 67] Operation: 88-21=67 Exploring Operation: 70-21=49, Resulting Numbers: [88, 49] Generated Node #0,1,1: 97:[88, 49] Operation: 70-21=49 Exploring Operation: 21+70=91, Resulting Numbers: [88, 91] Generated Node #0,1,2: 97:[88, 91] Operation: 21+70=91 Exploring Operation: 88+70=158, Resulting Numbers: [21, 158] Generated Node #0,1,3: 97:[21, 158] Operation: 88+70=158 Exploring Operation: 88+21=109, Resulting Numbers: [70, 109] Generated Node #0,1,4: 97:[70, 109] Operation: 88+21=109 Moving to Node #0,4 Current State: 97:[88, 41, 50], Operations: ['21+29=50'] Exploring Operation: 88+50=138, Resulting Numbers: [41, 138] Generated Node #0,4,0: 97:[41, 138] Operation: 88+50=138 Exploring Operation: 41+50=91, Resulting Numbers: [88, 91] Generated Node #0,4,1: 97:[88, 91] Operation: 41+50=91 Exploring Operation: 88-41=47, Resulting Numbers: [50, 47] Generated Node #0,4,2: 97:[50, 47] Operation: 88-41=47 Exploring Operation: 88+41=129, Resulting Numbers: [50, 129] Generated Node #0,4,3: 97:[50, 129] Operation: 88+41=129 Exploring Operation: 50-41=9, Resulting Numbers: [88, 9] Generated Node #0,4,4: 97:[88, 9] Operation: 50-41=9 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 97:[88, 91], Operations: ['21+29=50', '41+50=91'] Exploring Operation: 88*91=8008, Resulting Numbers: [8008] 8008,97 unequal: No Solution Exploring Operation: 91-88=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 88+91=179, Resulting Numbers: [179] 179,97 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 #0,4,3 Current State: 97:[50, 129], Operations: ['21+29=50', '88+41=129'] Exploring Operation: 50*129=6450, Resulting Numbers: [6450] 6450,97 unequal: No Solution Exploring Operation: 50+129=179, Resulting Numbers: [179] 179,97 unequal: No Solution Exploring Operation: 129-50=79, Resulting Numbers: [79] 79,97 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 #0,4,0 Current State: 97:[41, 138], Operations: ['21+29=50', '88+50=138'] Exploring Operation: 138-41=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[88, 21, 41, 29], Operations: [] Exploring Operation: 21+29=50, Resulting Numbers: [88, 41, 50] Generated Node #0,4: 97:[88, 41, 50] Operation: 21+29=50 Moving to Node #0,4 Current State: 97:[88, 41, 50], Operations: ['21+29=50'] Exploring Operation: 88+50=138, Resulting Numbers: [41, 138] Generated Node #0,4,0: 97:[41, 138] Operation: 88+50=138 Moving to Node #0,4,0 Current State: 97:[41, 138], Operations: ['21+29=50', '88+50=138'] Exploring Operation: 138-41=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
mult_heuristic
[ 59, 24, 30, 3 ]
21
[ "59-30=29", "24/3=8", "29-8=21" ]
Current State: 21:[59, 24, 30, 3], Operations: [] Exploring Operation: 59-30=29, Resulting Numbers: [24, 3, 29] Generated Node #2: [24, 3, 29] from Operation: 59-30=29 Current State: 21:[24, 3, 29], Operations: ['59-30=29'] Exploring Operation: 24/3=8, Resulting Numbers: [29, 8] Generated Node #3: [29, 8] from Operation: 24/3=8 Current State: 21:[29, 8], Operations: ['59-30=29', '24/3=8'] Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[59, 24, 30, 3], Operations: [] Exploring Operation: 59-24=35, Resulting Numbers: [30, 3, 35] Generated Node #0,0: 21:[30, 3, 35] Operation: 59-24=35 Exploring Operation: 59-30=29, Resulting Numbers: [24, 3, 29] Generated Node #0,1: 21:[24, 3, 29] Operation: 59-30=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[24, 3, 29], Operations: ['59-30=29'] Exploring Operation: 24-3=21, Resulting Numbers: [29, 21] Generated Node #0,1,0: 21:[29, 21] Operation: 24-3=21 Exploring Operation: 29-24=5, Resulting Numbers: [3, 5] Generated Node #0,1,1: 21:[3, 5] Operation: 29-24=5 Moving to Node #0,1,1 Current State: 21:[3, 5], Operations: ['59-30=29', '29-24=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[29, 21], Operations: ['59-30=29', '24-3=21'] Exploring Operation: 29+21=50, Resulting Numbers: [50] 50,21 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[30, 3, 35], Operations: ['59-24=35'] Exploring Operation: 35-30=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 21:[3, 5] Operation: 35-30=5 Exploring Operation: 30/3=10, Resulting Numbers: [35, 10] Generated Node #0,0,1: 21:[35, 10] Operation: 30/3=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[3, 5], Operations: ['59-24=35', '35-30=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 21:[35, 10], Operations: ['59-24=35', '30/3=10'] Exploring Operation: 35+10=45, Resulting Numbers: [45] 45,21 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 96, 84, 8, 10 ]
26
[ "96+84=180", "180/10=18", "8+18=26" ]
Current State: 26:[96, 84, 8, 10], Operations: [] Exploring Operation: 96+84=180, Resulting Numbers: [8, 10, 180] Generated Node #2: [8, 10, 180] from Operation: 96+84=180 Current State: 26:[8, 10, 180], Operations: ['96+84=180'] Exploring Operation: 180/10=18, Resulting Numbers: [8, 18] Generated Node #3: [8, 18] from Operation: 180/10=18 Current State: 26:[8, 18], Operations: ['96+84=180', '180/10=18'] Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[96, 84, 8, 10], Operations: [] Exploring Operation: 96/8=12, Resulting Numbers: [84, 10, 12] Generated Node #0,0: 26:[84, 10, 12] Operation: 96/8=12 Exploring Operation: 96-8=88, Resulting Numbers: [84, 10, 88] Generated Node #0,1: 26:[84, 10, 88] Operation: 96-8=88 Exploring Operation: 96-10=86, Resulting Numbers: [84, 8, 86] Generated Node #0,2: 26:[84, 8, 86] Operation: 96-10=86 Exploring Operation: 96-84=12, Resulting Numbers: [8, 10, 12] Generated Node #0,3: 26:[8, 10, 12] Operation: 96-84=12 Start Sub Search at level 1: Moving to Node #0,3 Current State: 26:[8, 10, 12], Operations: ['96-84=12'] Exploring Operation: 10-8=2, Resulting Numbers: [12, 2] Generated Node #0,3,0: 26:[12, 2] Operation: 10-8=2 Exploring Operation: 12-8=4, Resulting Numbers: [10, 4] Generated Node #0,3,1: 26:[10, 4] Operation: 12-8=4 Exploring Operation: 12-10=2, Resulting Numbers: [8, 2] Generated Node #0,3,2: 26:[8, 2] Operation: 12-10=2 Exploring Operation: 8+10=18, Resulting Numbers: [12, 18] Generated Node #0,3,3: 26:[12, 18] Operation: 8+10=18 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 26:[12, 2], Operations: ['96-84=12', '10-8=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 26:[10, 4], Operations: ['96-84=12', '12-8=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,26 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 26:[8, 2], Operations: ['96-84=12', '12-10=2'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 26:[12, 18], Operations: ['96-84=12', '8+10=18'] Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[84, 10, 12], Operations: ['96/8=12'] Exploring Operation: 84/12=7, Resulting Numbers: [10, 7] Generated Node #0,0,0: 26:[10, 7] Operation: 84/12=7 Exploring Operation: 12-10=2, Resulting Numbers: [84, 2] Generated Node #0,0,1: 26:[84, 2] Operation: 12-10=2 Exploring Operation: 84-12=72, Resulting Numbers: [10, 72] Generated Node #0,0,2: 26:[10, 72] Operation: 84-12=72 Exploring Operation: 84-10=74, Resulting Numbers: [12, 74] Generated Node #0,0,3: 26:[12, 74] Operation: 84-10=74 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[10, 7], Operations: ['96/8=12', '84/12=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,26 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,26 unequal: No Solution Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 26:[10, 72], Operations: ['96/8=12', '84-12=72'] Exploring Operation: 10*72=720, Resulting Numbers: [720] 720,26 unequal: No Solution Exploring Operation: 10+72=82, Resulting Numbers: [82] 82,26 unequal: No Solution Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 26:[12, 74], Operations: ['96/8=12', '84-10=74'] Exploring Operation: 12+74=86, Resulting Numbers: [86] 86,26 unequal: No Solution Exploring Operation: 12*74=888, Resulting Numbers: [888] 888,26 unequal: No Solution Exploring Operation: 74-12=62, Resulting Numbers: [62] 62,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 26:[84, 2], Operations: ['96/8=12', '12-10=2'] Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,26 unequal: No Solution Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,26 unequal: No Solution Exploring Operation: 84*2=168, Resulting Numbers: [168] 168,26 unequal: No Solution Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[84, 10, 88], Operations: ['96-8=88'] Exploring Operation: 88-84=4, Resulting Numbers: [10, 4] Generated Node #0,1,0: 26:[10, 4] Operation: 88-84=4 Exploring Operation: 84+10=94, Resulting Numbers: [88, 94] Generated Node #0,1,1: 26:[88, 94] Operation: 84+10=94 Exploring Operation: 84-10=74, Resulting Numbers: [88, 74] Generated Node #0,1,2: 26:[88, 74] Operation: 84-10=74 Exploring Operation: 88-10=78, Resulting Numbers: [84, 78] Generated Node #0,1,3: 26:[84, 78] Operation: 88-10=78 Moving to Node #0,1,0 Current State: 26:[10, 4], Operations: ['96-8=88', '88-84=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,26 unequal: No Solution Moving to Node #0,1,3 Current State: 26:[84, 78], Operations: ['96-8=88', '88-10=78'] Exploring Operation: 84*78=6552, Resulting Numbers: [6552] 6552,26 unequal: No Solution Exploring Operation: 84+78=162, Resulting Numbers: [162] 162,26 unequal: No Solution Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,26 unequal: No Solution Moving to Node #0,1,2 Current State: 26:[88, 74], Operations: ['96-8=88', '84-10=74'] Exploring Operation: 88+74=162, Resulting Numbers: [162] 162,26 unequal: No Solution Exploring Operation: 88-74=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 88*74=6512, Resulting Numbers: [6512] 6512,26 unequal: No Solution Moving to Node #0,1,1 Current State: 26:[88, 94], Operations: ['96-8=88', '84+10=94'] Exploring Operation: 94-88=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 88*94=8272, Resulting Numbers: [8272] 8272,26 unequal: No Solution Exploring Operation: 88+94=182, Resulting Numbers: [182] 182,26 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 Current State: 26:[84, 8, 86], Operations: ['96-10=86'] Exploring Operation: 84+8=92, Resulting Numbers: [86, 92] Generated Node #0,2,0: 26:[86, 92] Operation: 84+8=92 Exploring Operation: 86-8=78, Resulting Numbers: [84, 78] Generated Node #0,2,1: 26:[84, 78] Operation: 86-8=78 Exploring Operation: 86-84=2, Resulting Numbers: [8, 2] Generated Node #0,2,2: 26:[8, 2] Operation: 86-84=2 Exploring Operation: 84-8=76, Resulting Numbers: [86, 76] Generated Node #0,2,3: 26:[86, 76] Operation: 84-8=76 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 26:[8, 2], Operations: ['96-10=86', '86-84=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 26:[84, 78], Operations: ['96-10=86', '86-8=78'] Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 84*78=6552, Resulting Numbers: [6552] 6552,26 unequal: No Solution Exploring Operation: 84+78=162, Resulting Numbers: [162] 162,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 26:[86, 76], Operations: ['96-10=86', '84-8=76'] Exploring Operation: 86-76=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 86+76=162, Resulting Numbers: [162] 162,26 unequal: No Solution Exploring Operation: 86*76=6536, Resulting Numbers: [6536] 6536,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 26:[86, 92], Operations: ['96-10=86', '84+8=92'] Exploring Operation: 92-86=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 86+92=178, Resulting Numbers: [178] 178,26 unequal: No Solution Exploring Operation: 86*92=7912, Resulting Numbers: [7912] 7912,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 80, 12, 12, 99 ]
18
[ "99-80=19", "12/12=1", "19-1=18" ]
Current State: 18:[80, 12, 12, 99], Operations: [] Exploring Operation: 99-80=19, Resulting Numbers: [12, 12, 19] Generated Node #2: [12, 12, 19] from Operation: 99-80=19 Current State: 18:[12, 12, 19], Operations: ['99-80=19'] Exploring Operation: 12/12=1, Resulting Numbers: [19, 1] Generated Node #3: [19, 1] from Operation: 12/12=1 Current State: 18:[19, 1], Operations: ['99-80=19', '12/12=1'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[80, 12, 12, 99], Operations: [] Exploring Operation: 99-80=19, Resulting Numbers: [12, 12, 19] Generated Node #0,0: 18:[12, 12, 19] Operation: 99-80=19 Exploring Operation: 80-12=68, Resulting Numbers: [12, 99, 68] Generated Node #0,1: 18:[12, 99, 68] Operation: 80-12=68 Exploring Operation: 80-12=68, Resulting Numbers: [12, 99, 68] Generated Node #0,2: 18:[12, 99, 68] Operation: 80-12=68 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[12, 12, 19], Operations: ['99-80=19'] Exploring Operation: 12-12=0, Resulting Numbers: [19, 0] Generated Node #0,0,0: 18:[19, 0] Operation: 12-12=0 Exploring Operation: 19-12=7, Resulting Numbers: [12, 7] Generated Node #0,0,1: 18:[12, 7] Operation: 19-12=7 Exploring Operation: 12/12=1, Resulting Numbers: [19, 1] Generated Node #0,0,2: 18:[19, 1] Operation: 12/12=1 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 18:[19, 1], Operations: ['99-80=19', '12/12=1'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[80, 12, 12, 99], Operations: [] Exploring Operation: 99-80=19, Resulting Numbers: [12, 12, 19] Generated Node #0,0: 18:[12, 12, 19] Operation: 99-80=19 Moving to Node #0,0 Current State: 18:[12, 12, 19], Operations: ['99-80=19'] Exploring Operation: 12/12=1, Resulting Numbers: [19, 1] Generated Node #0,0,2: 18:[19, 1] Operation: 12/12=1 Moving to Node #0,0,2 Current State: 18:[19, 1], Operations: ['99-80=19', '12/12=1'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 83, 63, 51, 10 ]
81
[ "83-63=20", "51+10=61", "20+61=81" ]
Current State: 81:[83, 63, 51, 10], Operations: [] Exploring Operation: 83-63=20, Resulting Numbers: [51, 10, 20] Generated Node #2: [51, 10, 20] from Operation: 83-63=20 Current State: 81:[51, 10, 20], Operations: ['83-63=20'] Exploring Operation: 51+10=61, Resulting Numbers: [20, 61] Generated Node #3: [20, 61] from Operation: 51+10=61 Current State: 81:[20, 61], Operations: ['83-63=20', '51+10=61'] Exploring Operation: 20+61=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[83, 63, 51, 10], Operations: [] Exploring Operation: 63+10=73, Resulting Numbers: [83, 51, 73] Generated Node #0,0: 81:[83, 51, 73] Operation: 63+10=73 Exploring Operation: 83-51=32, Resulting Numbers: [63, 10, 32] Generated Node #0,1: 81:[63, 10, 32] Operation: 83-51=32 Exploring Operation: 63-51=12, Resulting Numbers: [83, 10, 12] Generated Node #0,2: 81:[83, 10, 12] Operation: 63-51=12 Exploring Operation: 83-63=20, Resulting Numbers: [51, 10, 20] Generated Node #0,3: 81:[51, 10, 20] Operation: 83-63=20 Moving to Node #0,2 Current State: 81:[83, 10, 12], Operations: ['63-51=12'] Exploring Operation: 83-12=71, Resulting Numbers: [10, 71] Generated Node #0,2,0: 81:[10, 71] Operation: 83-12=71 Exploring Operation: 10+12=22, Resulting Numbers: [83, 22] Generated Node #0,2,1: 81:[83, 22] Operation: 10+12=22 Exploring Operation: 12-10=2, Resulting Numbers: [83, 2] Generated Node #0,2,2: 81:[83, 2] Operation: 12-10=2 Exploring Operation: 83-10=73, Resulting Numbers: [12, 73] Generated Node #0,2,3: 81:[12, 73] Operation: 83-10=73 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[83, 2], Operations: ['63-51=12', '12-10=2'] Exploring Operation: 83*2=166, Resulting Numbers: [166] 166,81 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[83, 63, 51, 10], Operations: [] Exploring Operation: 63-51=12, Resulting Numbers: [83, 10, 12] Generated Node #0,2: 81:[83, 10, 12] Operation: 63-51=12 Moving to Node #0,2 Current State: 81:[83, 10, 12], Operations: ['63-51=12'] Exploring Operation: 12-10=2, Resulting Numbers: [83, 2] Generated Node #0,2,2: 81:[83, 2] Operation: 12-10=2 Moving to Node #0,2,2 Current State: 81:[83, 2], Operations: ['63-51=12', '12-10=2'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 12, 4, 21, 37 ]
42
[ "12+4=16", "21+37=58", "58-16=42" ]
Current State: 42:[12, 4, 21, 37], Operations: [] Exploring Operation: 12+4=16, Resulting Numbers: [21, 37, 16] Generated Node #2: [21, 37, 16] from Operation: 12+4=16 Current State: 42:[21, 37, 16], Operations: ['12+4=16'] Exploring Operation: 21+37=58, Resulting Numbers: [16, 58] Generated Node #3: [16, 58] from Operation: 21+37=58 Current State: 42:[16, 58], Operations: ['12+4=16', '21+37=58'] Exploring Operation: 58-16=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[12, 4, 21, 37], Operations: [] Exploring Operation: 4+37=41, Resulting Numbers: [12, 21, 41] Generated Node #0,0: 42:[12, 21, 41] Operation: 4+37=41 Exploring Operation: 37-12=25, Resulting Numbers: [4, 21, 25] Generated Node #0,1: 42:[4, 21, 25] Operation: 37-12=25 Exploring Operation: 12/4=3, Resulting Numbers: [21, 37, 3] Generated Node #0,2: 42:[21, 37, 3] Operation: 12/4=3 Moving to Node #0,0 Current State: 42:[12, 21, 41], Operations: ['4+37=41'] Exploring Operation: 41-12=29, Resulting Numbers: [21, 29] Generated Node #0,0,0: 42:[21, 29] Operation: 41-12=29 Exploring Operation: 21-12=9, Resulting Numbers: [41, 9] Generated Node #0,0,1: 42:[41, 9] Operation: 21-12=9 Exploring Operation: 41-21=20, Resulting Numbers: [12, 20] Generated Node #0,0,2: 42:[12, 20] Operation: 41-21=20 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 42:[41, 9], Operations: ['4+37=41', '21-12=9'] Exploring Operation: 41+9=50, Resulting Numbers: [50] 50,42 unequal: No Solution Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 41*9=369, Resulting Numbers: [369] 369,42 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 #0,0,2 Current State: 42:[12, 20], Operations: ['4+37=41', '41-21=20'] Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 12*20=240, Resulting Numbers: [240] 240,42 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 #0,0,0 Current State: 42:[21, 29], Operations: ['4+37=41', '41-12=29'] Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 21*29=609, Resulting Numbers: [609] 609,42 unequal: No Solution Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,42 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: 42:[4, 21, 25], Operations: ['37-12=25'] Exploring Operation: 21+25=46, Resulting Numbers: [4, 46] Generated Node #0,1,0: 42:[4, 46] Operation: 21+25=46 Exploring Operation: 25-21=4, Resulting Numbers: [4, 4] Generated Node #0,1,1: 42:[4, 4] Operation: 25-21=4 Exploring Operation: 25-4=21, Resulting Numbers: [21, 21] Generated Node #0,1,2: 42:[21, 21] Operation: 25-4=21 Moving to Node #0,2 Current State: 42:[21, 37, 3], Operations: ['12/4=3'] Exploring Operation: 37+3=40, Resulting Numbers: [21, 40] Generated Node #0,2,0: 42:[21, 40] Operation: 37+3=40 Exploring Operation: 21/3=7, Resulting Numbers: [37, 7] Generated Node #0,2,1: 42:[37, 7] Operation: 21/3=7 Exploring Operation: 37-21=16, Resulting Numbers: [3, 16] Generated Node #0,2,2: 42:[3, 16] Operation: 37-21=16 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 42:[21, 40], Operations: ['12/4=3', '37+3=40'] Exploring Operation: 21*40=840, Resulting Numbers: [840] 840,42 unequal: No Solution Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,42 unequal: No Solution Exploring Operation: 21+40=61, Resulting Numbers: [61] 61,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 42:[3, 16], Operations: ['12/4=3', '37-21=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,42 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,42 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 42:[37, 7], Operations: ['12/4=3', '21/3=7'] Exploring Operation: 37*7=259, Resulting Numbers: [259] 259,42 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,42 unequal: No Solution Exploring Operation: 37+7=44, Resulting Numbers: [44] 44,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 42:[21, 21], Operations: ['37-12=25', '25-4=21'] Exploring Operation: 21/21=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 21-21=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 21+21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[12, 4, 21, 37], Operations: [] Exploring Operation: 37-12=25, Resulting Numbers: [4, 21, 25] Generated Node #0,1: 42:[4, 21, 25] Operation: 37-12=25 Moving to Node #0,1 Current State: 42:[4, 21, 25], Operations: ['37-12=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21, 21] Generated Node #0,1,2: 42:[21, 21] Operation: 25-4=21 Moving to Node #0,1,2 Current State: 42:[21, 21], Operations: ['37-12=25', '25-4=21'] Exploring Operation: 21+21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
0.967882
hs_3
sum_heuristic
[ 68, 32, 98, 16 ]
38
[ "68*32=2176", "2176/16=136", "136-98=38" ]
Current State: 38:[68, 32, 98, 16], Operations: [] Exploring Operation: 68*32=2176, Resulting Numbers: [98, 16, 2176] Generated Node #2: [98, 16, 2176] from Operation: 68*32=2176 Current State: 38:[98, 16, 2176], Operations: ['68*32=2176'] Exploring Operation: 2176/16=136, Resulting Numbers: [98, 136] Generated Node #3: [98, 136] from Operation: 2176/16=136 Current State: 38:[98, 136], Operations: ['68*32=2176', '2176/16=136'] Exploring Operation: 136-98=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[68, 32, 98, 16], Operations: [] Exploring Operation: 68-16=52, Resulting Numbers: [32, 98, 52] Generated Node #0,0: 38:[32, 98, 52] Operation: 68-16=52 Exploring Operation: 68-32=36, Resulting Numbers: [98, 16, 36] Generated Node #0,1: 38:[98, 16, 36] Operation: 68-32=36 Exploring Operation: 98-16=82, Resulting Numbers: [68, 32, 82] Generated Node #0,2: 38:[68, 32, 82] Operation: 98-16=82 Exploring Operation: 98-32=66, Resulting Numbers: [68, 16, 66] Generated Node #0,3: 38:[68, 16, 66] Operation: 98-32=66 Exploring Operation: 98-68=30, Resulting Numbers: [32, 16, 30] Generated Node #0,4: 38:[32, 16, 30] Operation: 98-68=30 Moving to Node #0,4 Current State: 38:[32, 16, 30], Operations: ['98-68=30'] Exploring Operation: 32/16=2, Resulting Numbers: [30, 2] Generated Node #0,4,0: 38:[30, 2] Operation: 32/16=2 Exploring Operation: 16+30=46, Resulting Numbers: [32, 46] Generated Node #0,4,1: 38:[32, 46] Operation: 16+30=46 Exploring Operation: 32-30=2, Resulting Numbers: [16, 2] Generated Node #0,4,2: 38:[16, 2] Operation: 32-30=2 Exploring Operation: 30-16=14, Resulting Numbers: [32, 14] Generated Node #0,4,3: 38:[32, 14] Operation: 30-16=14 Exploring Operation: 32-16=16, Resulting Numbers: [30, 16] Generated Node #0,4,4: 38:[30, 16] Operation: 32-16=16 Moving to Node #0,3 Current State: 38:[68, 16, 66], Operations: ['98-32=66'] Exploring Operation: 68+16=84, Resulting Numbers: [66, 84] Generated Node #0,3,0: 38:[66, 84] Operation: 68+16=84 Exploring Operation: 66-16=50, Resulting Numbers: [68, 50] Generated Node #0,3,1: 38:[68, 50] Operation: 66-16=50 Exploring Operation: 68-16=52, Resulting Numbers: [66, 52] Generated Node #0,3,2: 38:[66, 52] Operation: 68-16=52 Exploring Operation: 68-66=2, Resulting Numbers: [16, 2] Generated Node #0,3,3: 38:[16, 2] Operation: 68-66=2 Exploring Operation: 16+66=82, Resulting Numbers: [68, 82] Generated Node #0,3,4: 38:[68, 82] Operation: 16+66=82 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 38:[16, 2], Operations: ['98-32=66', '68-66=2'] Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,38 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 #0,3,1 Current State: 38:[68, 50], Operations: ['98-32=66', '66-16=50'] Exploring Operation: 68-50=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 68+50=118, Resulting Numbers: [118] 118,38 unequal: No Solution Exploring Operation: 68*50=3400, Resulting Numbers: [3400] 3400,38 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 #0,3,2 Current State: 38:[66, 52], Operations: ['98-32=66', '68-16=52'] Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 66*52=3432, Resulting Numbers: [3432] 3432,38 unequal: No Solution Exploring Operation: 66+52=118, Resulting Numbers: [118] 118,38 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 #0,3,0 Current State: 38:[66, 84], Operations: ['98-32=66', '68+16=84'] Exploring Operation: 84-66=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 66+84=150, Resulting Numbers: [150] 150,38 unequal: No Solution Exploring Operation: 66*84=5544, Resulting Numbers: [5544] 5544,38 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 #0,3,4 Current State: 38:[68, 82], Operations: ['98-32=66', '16+66=82'] Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 68*82=5576, Resulting Numbers: [5576] 5576,38 unequal: No Solution Exploring Operation: 68+82=150, Resulting Numbers: [150] 150,38 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: 38:[98, 16, 36], Operations: ['68-32=36'] Exploring Operation: 98-36=62, Resulting Numbers: [16, 62] Generated Node #0,1,0: 38:[16, 62] Operation: 98-36=62 Exploring Operation: 16+36=52, Resulting Numbers: [98, 52] Generated Node #0,1,1: 38:[98, 52] Operation: 16+36=52 Exploring Operation: 98-16=82, Resulting Numbers: [36, 82] Generated Node #0,1,2: 38:[36, 82] Operation: 98-16=82 Exploring Operation: 98+16=114, Resulting Numbers: [36, 114] Generated Node #0,1,3: 38:[36, 114] Operation: 98+16=114 Exploring Operation: 36-16=20, Resulting Numbers: [98, 20] Generated Node #0,1,4: 38:[98, 20] Operation: 36-16=20 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 38:[16, 62], Operations: ['68-32=36', '98-36=62'] Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,38 unequal: No Solution Exploring Operation: 16*62=992, Resulting Numbers: [992] 992,38 unequal: No Solution Exploring Operation: 16+62=78, Resulting Numbers: [78] 78,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 38:[36, 82], Operations: ['68-32=36', '98-16=82'] Exploring Operation: 36*82=2952, Resulting Numbers: [2952] 2952,38 unequal: No Solution Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,38 unequal: No Solution Exploring Operation: 36+82=118, Resulting Numbers: [118] 118,38 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 #0,1,4 Current State: 38:[98, 20], Operations: ['68-32=36', '36-16=20'] Exploring Operation: 98*20=1960, Resulting Numbers: [1960] 1960,38 unequal: No Solution Exploring Operation: 98+20=118, Resulting Numbers: [118] 118,38 unequal: No Solution Exploring Operation: 98-20=78, Resulting Numbers: [78] 78,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 38:[98, 52], Operations: ['68-32=36', '16+36=52'] Exploring Operation: 98-52=46, Resulting Numbers: [46] 46,38 unequal: No Solution Exploring Operation: 98+52=150, Resulting Numbers: [150] 150,38 unequal: No Solution Exploring Operation: 98*52=5096, Resulting Numbers: [5096] 5096,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 38:[36, 114], Operations: ['68-32=36', '98+16=114'] Exploring Operation: 36+114=150, Resulting Numbers: [150] 150,38 unequal: No Solution Exploring Operation: 114-36=78, Resulting Numbers: [78] 78,38 unequal: No Solution Exploring Operation: 36*114=4104, Resulting Numbers: [4104] 4104,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 38:[32, 98, 52], Operations: ['68-16=52'] Exploring Operation: 52-32=20, Resulting Numbers: [98, 20] Generated Node #0,0,0: 38:[98, 20] Operation: 52-32=20 Exploring Operation: 98-32=66, Resulting Numbers: [52, 66] Generated Node #0,0,1: 38:[52, 66] Operation: 98-32=66 Exploring Operation: 98-52=46, Resulting Numbers: [32, 46] Generated Node #0,0,2: 38:[32, 46] Operation: 98-52=46 Exploring Operation: 32+98=130, Resulting Numbers: [52, 130] Generated Node #0,0,3: 38:[52, 130] Operation: 32+98=130 Exploring Operation: 32+52=84, Resulting Numbers: [98, 84] Generated Node #0,0,4: 38:[98, 84] Operation: 32+52=84 Moving to Node #0,2 Current State: 38:[68, 32, 82], Operations: ['98-16=82'] Exploring Operation: 68-32=36, Resulting Numbers: [82, 36] Generated Node #0,2,0: 38:[82, 36] Operation: 68-32=36 Exploring Operation: 82-68=14, Resulting Numbers: [32, 14] Generated Node #0,2,1: 38:[32, 14] Operation: 82-68=14 Exploring Operation: 32+82=114, Resulting Numbers: [68, 114] Generated Node #0,2,2: 38:[68, 114] Operation: 32+82=114 Exploring Operation: 68+32=100, Resulting Numbers: [82, 100] Generated Node #0,2,3: 38:[82, 100] Operation: 68+32=100 Exploring Operation: 82-32=50, Resulting Numbers: [68, 50] Generated Node #0,2,4: 38:[68, 50] Operation: 82-32=50 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 38:[32, 14], Operations: ['98-16=82', '82-68=14'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 32*14=448, Resulting Numbers: [448] 448,38 unequal: No Solution Exploring Operation: 32+14=46, Resulting Numbers: [46] 46,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 38:[68, 50], Operations: ['98-16=82', '82-32=50'] Exploring Operation: 68*50=3400, Resulting Numbers: [3400] 3400,38 unequal: No Solution Exploring Operation: 68-50=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 68+50=118, Resulting Numbers: [118] 118,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 38:[82, 36], Operations: ['98-16=82', '68-32=36'] Exploring Operation: 82*36=2952, Resulting Numbers: [2952] 2952,38 unequal: No Solution Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,38 unequal: No Solution Exploring Operation: 82+36=118, Resulting Numbers: [118] 118,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 38:[68, 114], Operations: ['98-16=82', '32+82=114'] Exploring Operation: 114-68=46, Resulting Numbers: [46] 46,38 unequal: No Solution Exploring Operation: 68+114=182, Resulting Numbers: [182] 182,38 unequal: No Solution Exploring Operation: 68*114=7752, Resulting Numbers: [7752] 7752,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 38:[82, 100], Operations: ['98-16=82', '68+32=100'] Exploring Operation: 82*100=8200, Resulting Numbers: [8200] 8200,38 unequal: No Solution Exploring Operation: 100-82=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 82+100=182, Resulting Numbers: [182] 182,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,2 Current State: 38:[16, 2], Operations: ['98-68=30', '32-30=2'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,38 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,38 unequal: No Solution Moving to Node #0,4,0 Current State: 38:[30, 2], Operations: ['98-68=30', '32/16=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,38 unequal: No Solution Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,38 unequal: No Solution Exploring Operation: 30*2=60, Resulting Numbers: [60] 60,38 unequal: No Solution Moving to Node #0,4,3 Current State: 38:[32, 14], Operations: ['98-68=30', '30-16=14'] Exploring Operation: 32+14=46, Resulting Numbers: [46] 46,38 unequal: No Solution Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 32*14=448, Resulting Numbers: [448] 448,38 unequal: No Solution Moving to Node #0,4,4 Current State: 38:[30, 16], Operations: ['98-68=30', '32-16=16'] Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 30*16=480, Resulting Numbers: [480] 480,38 unequal: No Solution Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,38 unequal: No Solution Moving to Node #0,0,2 Current State: 38:[32, 46], Operations: ['68-16=52', '98-52=46'] Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 32*46=1472, Resulting Numbers: [1472] 1472,38 unequal: No Solution Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,38 unequal: No Solution Moving to Node #0,4,1 Current State: 38:[32, 46], Operations: ['98-68=30', '16+30=46'] Exploring Operation: 32*46=1472, Resulting Numbers: [1472] 1472,38 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[52, 66], Operations: ['68-16=52', '98-32=66'] Exploring Operation: 52*66=3432, Resulting Numbers: [3432] 3432,38 unequal: No Solution Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 52+66=118, Resulting Numbers: [118] 118,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[98, 20], Operations: ['68-16=52', '52-32=20'] Exploring Operation: 98*20=1960, Resulting Numbers: [1960] 1960,38 unequal: No Solution Exploring Operation: 98+20=118, Resulting Numbers: [118] 118,38 unequal: No Solution Exploring Operation: 98-20=78, Resulting Numbers: [78] 78,38 unequal: No Solution Moving to Node #0,0,3 Current State: 38:[52, 130], Operations: ['68-16=52', '32+98=130'] Exploring Operation: 52+130=182, Resulting Numbers: [182] 182,38 unequal: No Solution Exploring Operation: 52*130=6760, Resulting Numbers: [6760] 6760,38 unequal: No Solution Exploring Operation: 130-52=78, Resulting Numbers: [78] 78,38 unequal: No Solution Moving to Node #0,0,4 Current State: 38:[98, 84], Operations: ['68-16=52', '32+52=84'] Exploring Operation: 98-84=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 98+84=182, Resulting Numbers: [182] 182,38 unequal: No Solution Exploring Operation: 98*84=8232, Resulting Numbers: [8232] 8232,38 unequal: No Solution No solution found.
0
hs_5
mult_heuristic