Datasets:

nums
listlengths
4
4
target
int64
10
100
solution
listlengths
3
3
optimal_path
stringlengths
282
529
start_size
int64
4
4
search_path
stringlengths
505
16.8k
rating
float64
0
0.99
search_type
stringclasses
5 values
heuristic
stringclasses
2 values
[ 62, 12, 16, 39 ]
19
[ "62+12=74", "16+39=55", "74-55=19" ]
Current State: 19:[62, 12, 16, 39], Operations: [] Exploring Operation: 62+12=74, Resulting Numbers: [16, 39, 74] Generated Node #2: [16, 39, 74] from Operation: 62+12=74 Current State: 19:[16, 39, 74], Operations: ['62+12=74'] Exploring Operation: 16+39=55, Resulting Numbers: [74, 55] Generated Node #3: [74, 55] from Operation: 16+39=55 Current State: 19:[74, 55], Operations: ['62+12=74', '16+39=55'] Exploring Operation: 74-55=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[62, 12, 16, 39], Operations: [] Exploring Operation: 39-12=27, Resulting Numbers: [62, 16, 27] Generated Node #0,0: 19:[62, 16, 27] Operation: 39-12=27 Exploring Operation: 62-16=46, Resulting Numbers: [12, 39, 46] Generated Node #0,1: 19:[12, 39, 46] Operation: 62-16=46 Exploring Operation: 39-16=23, Resulting Numbers: [62, 12, 23] Generated Node #0,2: 19:[62, 12, 23] Operation: 39-16=23 Exploring Operation: 62-39=23, Resulting Numbers: [12, 16, 23] Generated Node #0,3: 19:[12, 16, 23] Operation: 62-39=23 Exploring Operation: 62-12=50, Resulting Numbers: [16, 39, 50] Generated Node #0,4: 19:[16, 39, 50] Operation: 62-12=50 Start Sub Search at level 1: Moving to Node #0,3 Current State: 19:[12, 16, 23], Operations: ['62-39=23'] Exploring Operation: 23-12=11, Resulting Numbers: [16, 11] Generated Node #0,3,0: 19:[16, 11] Operation: 23-12=11 Exploring Operation: 23-16=7, Resulting Numbers: [12, 7] Generated Node #0,3,1: 19:[12, 7] Operation: 23-16=7 Exploring Operation: 12+16=28, Resulting Numbers: [23, 28] Generated Node #0,3,2: 19:[23, 28] Operation: 12+16=28 Exploring Operation: 16-12=4, Resulting Numbers: [23, 4] Generated Node #0,3,3: 19:[23, 4] Operation: 16-12=4 Exploring Operation: 12+23=35, Resulting Numbers: [16, 35] Generated Node #0,3,4: 19:[16, 35] Operation: 12+23=35 Moving to Node #0,3,0 Current State: 19:[16, 11], Operations: ['62-39=23', '23-12=11'] Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,19 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,19 unequal: No Solution Moving to Node #0,3,2 Current State: 19:[23, 28], Operations: ['62-39=23', '12+16=28'] Exploring Operation: 23+28=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 23*28=644, Resulting Numbers: [644] 644,19 unequal: No Solution Moving to Node #0,3,1 Current State: 19:[12, 7], Operations: ['62-39=23', '23-16=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[62, 12, 16, 39], Operations: [] Exploring Operation: 62-39=23, Resulting Numbers: [12, 16, 23] Generated Node #0,3: 19:[12, 16, 23] Operation: 62-39=23 Moving to Node #0,3 Current State: 19:[12, 16, 23], Operations: ['62-39=23'] Exploring Operation: 23-16=7, Resulting Numbers: [12, 7] Generated Node #0,3,1: 19:[12, 7] Operation: 23-16=7 Moving to Node #0,3,1 Current State: 19:[12, 7], Operations: ['62-39=23', '23-16=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 35, 64, 43, 72 ]
55
[ "43-35=8", "72/8=9", "64-9=55" ]
Current State: 55:[35, 64, 43, 72], Operations: [] Exploring Operation: 43-35=8, Resulting Numbers: [64, 72, 8] Generated Node #2: [64, 72, 8] from Operation: 43-35=8 Current State: 55:[64, 72, 8], Operations: ['43-35=8'] Exploring Operation: 72/8=9, Resulting Numbers: [64, 9] Generated Node #3: [64, 9] from Operation: 72/8=9 Current State: 55:[64, 9], Operations: ['43-35=8', '72/8=9'] Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[35, 64, 43, 72], Operations: [] Exploring Operation: 43-35=8, Resulting Numbers: [64, 72, 8] Generated Node #0,0: 55:[64, 72, 8] Operation: 43-35=8 Exploring Operation: 72-64=8, Resulting Numbers: [35, 43, 8] Generated Node #0,1: 55:[35, 43, 8] Operation: 72-64=8 Moving to Node #0,0 Current State: 55:[64, 72, 8], Operations: ['43-35=8'] Exploring Operation: 72-64=8, Resulting Numbers: [8, 8] Generated Node #0,0,0: 55:[8, 8] Operation: 72-64=8 Exploring Operation: 72/8=9, Resulting Numbers: [64, 9] Generated Node #0,0,1: 55:[64, 9] Operation: 72/8=9 Moving to Node #0,1 Current State: 55:[35, 43, 8], Operations: ['72-64=8'] Exploring Operation: 43-35=8, Resulting Numbers: [8, 8] Generated Node #0,1,0: 55:[8, 8] Operation: 43-35=8 Exploring Operation: 35+8=43, Resulting Numbers: [43, 43] Generated Node #0,1,1: 55:[43, 43] Operation: 35+8=43 Moving to Node #0,0,0 Current State: 55:[8, 8], Operations: ['43-35=8', '72-64=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,55 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[8, 8], Operations: ['72-64=8', '43-35=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,55 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[64, 9], Operations: ['43-35=8', '72/8=9'] Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,55 unequal: No Solution Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[35, 64, 43, 72], Operations: [] Exploring Operation: 43-35=8, Resulting Numbers: [64, 72, 8] Generated Node #0,0: 55:[64, 72, 8] Operation: 43-35=8 Moving to Node #0,0 Current State: 55:[64, 72, 8], Operations: ['43-35=8'] Exploring Operation: 72/8=9, Resulting Numbers: [64, 9] Generated Node #0,0,1: 55:[64, 9] Operation: 72/8=9 Moving to Node #0,0,1 Current State: 55:[64, 9], Operations: ['43-35=8', '72/8=9'] Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 19, 56, 38, 14 ]
89
[ "56-19=37", "38+14=52", "37+52=89" ]
Current State: 89:[19, 56, 38, 14], Operations: [] Exploring Operation: 56-19=37, Resulting Numbers: [38, 14, 37] Generated Node #2: [38, 14, 37] from Operation: 56-19=37 Current State: 89:[38, 14, 37], Operations: ['56-19=37'] Exploring Operation: 38+14=52, Resulting Numbers: [37, 52] Generated Node #3: [37, 52] from Operation: 38+14=52 Current State: 89:[37, 52], Operations: ['56-19=37', '38+14=52'] Exploring Operation: 37+52=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[19, 56, 38, 14], Operations: [] Exploring Operation: 19+38=57, Resulting Numbers: [56, 14, 57] Generated Node #0,0: 89:[56, 14, 57] Operation: 19+38=57 Exploring Operation: 19+56=75, Resulting Numbers: [38, 14, 75] Generated Node #0,1: 89:[38, 14, 75] Operation: 19+56=75 Moving to Node #0,0 Current State: 89:[56, 14, 57], Operations: ['19+38=57'] Exploring Operation: 56+14=70, Resulting Numbers: [57, 70] Generated Node #0,0,0: 89:[57, 70] Operation: 56+14=70 Exploring Operation: 14+57=71, Resulting Numbers: [56, 71] Generated Node #0,0,1: 89:[56, 71] Operation: 14+57=71 Moving to Node #0,1 Current State: 89:[38, 14, 75], Operations: ['19+56=75'] Exploring Operation: 14+75=89, Resulting Numbers: [38, 89] Generated Node #0,1,0: 89:[38, 89] Operation: 14+75=89 Exploring Operation: 38+14=52, Resulting Numbers: [75, 52] Generated Node #0,1,1: 89:[75, 52] Operation: 38+14=52 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[38, 89], Operations: ['19+56=75', '14+75=89'] Exploring Operation: 89-38=51, Resulting Numbers: [51] 51,89 unequal: No Solution Exploring Operation: 38+89=127, Resulting Numbers: [127] 127,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[75, 52], Operations: ['19+56=75', '38+14=52'] Exploring Operation: 75+52=127, Resulting Numbers: [127] 127,89 unequal: No Solution Exploring Operation: 75-52=23, Resulting Numbers: [23] 23,89 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: 89:[57, 70], Operations: ['19+38=57', '56+14=70'] Exploring Operation: 57+70=127, Resulting Numbers: [127] 127,89 unequal: No Solution Exploring Operation: 70-57=13, Resulting Numbers: [13] 13,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[56, 71], Operations: ['19+38=57', '14+57=71'] Exploring Operation: 56+71=127, Resulting Numbers: [127] 127,89 unequal: No Solution Exploring Operation: 71-56=15, Resulting Numbers: [15] 15,89 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 44, 69, 72, 54 ]
95
[ "44+69=113", "72-54=18", "113-18=95" ]
Current State: 95:[44, 69, 72, 54], Operations: [] Exploring Operation: 44+69=113, Resulting Numbers: [72, 54, 113] Generated Node #2: [72, 54, 113] from Operation: 44+69=113 Current State: 95:[72, 54, 113], Operations: ['44+69=113'] Exploring Operation: 72-54=18, Resulting Numbers: [113, 18] Generated Node #3: [113, 18] from Operation: 72-54=18 Current State: 95:[113, 18], Operations: ['44+69=113', '72-54=18'] Exploring Operation: 113-18=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[44, 69, 72, 54], Operations: [] Exploring Operation: 54-44=10, Resulting Numbers: [69, 72, 10] Generated Node #0,0: 95:[69, 72, 10] Operation: 54-44=10 Exploring Operation: 44+54=98, Resulting Numbers: [69, 72, 98] Generated Node #0,1: 95:[69, 72, 98] Operation: 44+54=98 Exploring Operation: 69-54=15, Resulting Numbers: [44, 72, 15] Generated Node #0,2: 95:[44, 72, 15] Operation: 69-54=15 Exploring Operation: 72-54=18, Resulting Numbers: [44, 69, 18] Generated Node #0,3: 95:[44, 69, 18] Operation: 72-54=18 Moving to Node #0,1 Current State: 95:[69, 72, 98], Operations: ['44+54=98'] Exploring Operation: 98-72=26, Resulting Numbers: [69, 26] Generated Node #0,1,0: 95:[69, 26] Operation: 98-72=26 Exploring Operation: 69+72=141, Resulting Numbers: [98, 141] Generated Node #0,1,1: 95:[98, 141] Operation: 69+72=141 Exploring Operation: 98-69=29, Resulting Numbers: [72, 29] Generated Node #0,1,2: 95:[72, 29] Operation: 98-69=29 Exploring Operation: 72-69=3, Resulting Numbers: [98, 3] Generated Node #0,1,3: 95:[98, 3] Operation: 72-69=3 Moving to Node #0,3 Current State: 95:[44, 69, 18], Operations: ['72-54=18'] Exploring Operation: 44-18=26, Resulting Numbers: [69, 26] Generated Node #0,3,0: 95:[69, 26] Operation: 44-18=26 Exploring Operation: 44+69=113, Resulting Numbers: [18, 113] Generated Node #0,3,1: 95:[18, 113] Operation: 44+69=113 Exploring Operation: 69+18=87, Resulting Numbers: [44, 87] Generated Node #0,3,2: 95:[44, 87] Operation: 69+18=87 Exploring Operation: 69-44=25, Resulting Numbers: [18, 25] Generated Node #0,3,3: 95:[18, 25] Operation: 69-44=25 Moving to Node #0,2 Current State: 95:[44, 72, 15], Operations: ['69-54=15'] Exploring Operation: 44-15=29, Resulting Numbers: [72, 29] Generated Node #0,2,0: 95:[72, 29] Operation: 44-15=29 Exploring Operation: 72+15=87, Resulting Numbers: [44, 87] Generated Node #0,2,1: 95:[44, 87] Operation: 72+15=87 Exploring Operation: 72-44=28, Resulting Numbers: [15, 28] Generated Node #0,2,2: 95:[15, 28] Operation: 72-44=28 Exploring Operation: 44+72=116, Resulting Numbers: [15, 116] Generated Node #0,2,3: 95:[15, 116] Operation: 44+72=116 Moving to Node #0,0 Current State: 95:[69, 72, 10], Operations: ['54-44=10'] Exploring Operation: 72-69=3, Resulting Numbers: [10, 3] Generated Node #0,0,0: 95:[10, 3] Operation: 72-69=3 Exploring Operation: 72+10=82, Resulting Numbers: [69, 82] Generated Node #0,0,1: 95:[69, 82] Operation: 72+10=82 Exploring Operation: 69+10=79, Resulting Numbers: [72, 79] Generated Node #0,0,2: 95:[72, 79] Operation: 69+10=79 Exploring Operation: 69+72=141, Resulting Numbers: [10, 141] Generated Node #0,0,3: 95:[10, 141] Operation: 69+72=141 Moving to Node #0,1,3 Current State: 95:[98, 3], Operations: ['44+54=98', '72-69=3'] Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[44, 69, 72, 54], Operations: [] Exploring Operation: 44+54=98, Resulting Numbers: [69, 72, 98] Generated Node #0,1: 95:[69, 72, 98] Operation: 44+54=98 Moving to Node #0,1 Current State: 95:[69, 72, 98], Operations: ['44+54=98'] Exploring Operation: 72-69=3, Resulting Numbers: [98, 3] Generated Node #0,1,3: 95:[98, 3] Operation: 72-69=3 Moving to Node #0,1,3 Current State: 95:[98, 3], Operations: ['44+54=98', '72-69=3'] Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
0.978299
hs_4
sum_heuristic
[ 62, 82, 31, 58 ]
34
[ "62/31=2", "58*2=116", "116-82=34" ]
Current State: 34:[62, 82, 31, 58], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [82, 58, 2] Generated Node #2: [82, 58, 2] from Operation: 62/31=2 Current State: 34:[82, 58, 2], Operations: ['62/31=2'] Exploring Operation: 58*2=116, Resulting Numbers: [82, 116] Generated Node #3: [82, 116] from Operation: 58*2=116 Current State: 34:[82, 116], Operations: ['62/31=2', '58*2=116'] Exploring Operation: 116-82=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[62, 82, 31, 58], Operations: [] Exploring Operation: 82-58=24, Resulting Numbers: [62, 31, 24] Generated Node #0,0: 34:[62, 31, 24] Operation: 82-58=24 Exploring Operation: 82-62=20, Resulting Numbers: [31, 58, 20] Generated Node #0,1: 34:[31, 58, 20] Operation: 82-62=20 Moving to Node #0,1 Current State: 34:[31, 58, 20], Operations: ['82-62=20'] Exploring Operation: 58-20=38, Resulting Numbers: [31, 38] Generated Node #0,1,0: 34:[31, 38] Operation: 58-20=38 Exploring Operation: 58-31=27, Resulting Numbers: [20, 27] Generated Node #0,1,1: 34:[20, 27] Operation: 58-31=27 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[31, 38], Operations: ['82-62=20', '58-20=38'] Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,34 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 #0,1,1 Current State: 34:[20, 27], Operations: ['82-62=20', '58-31=27'] Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 20+27=47, Resulting Numbers: [47] 47,34 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: 34:[62, 31, 24], Operations: ['82-58=24'] Exploring Operation: 62-24=38, Resulting Numbers: [31, 38] Generated Node #0,0,0: 34:[31, 38] Operation: 62-24=38 Exploring Operation: 62/31=2, Resulting Numbers: [24, 2] Generated Node #0,0,1: 34:[24, 2] Operation: 62/31=2 Moving to Node #0,0,0 Current State: 34:[31, 38], Operations: ['82-58=24', '62-24=38'] Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,34 unequal: No Solution Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[24, 2], Operations: ['82-58=24', '62/31=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,34 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 19, 37, 10, 3 ]
100
[ "37-10=27", "3*27=81", "19+81=100" ]
Current State: 100:[19, 37, 10, 3], Operations: [] Exploring Operation: 37-10=27, Resulting Numbers: [19, 3, 27] Generated Node #2: [19, 3, 27] from Operation: 37-10=27 Current State: 100:[19, 3, 27], Operations: ['37-10=27'] Exploring Operation: 3*27=81, Resulting Numbers: [19, 81] Generated Node #3: [19, 81] from Operation: 3*27=81 Current State: 100:[19, 81], Operations: ['37-10=27', '3*27=81'] Exploring Operation: 19+81=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[19, 37, 10, 3], Operations: [] Exploring Operation: 37-10=27, Resulting Numbers: [19, 3, 27] Generated Node #0,0: 100:[19, 3, 27] Operation: 37-10=27 Exploring Operation: 19+37=56, Resulting Numbers: [10, 3, 56] Generated Node #0,1: 100:[10, 3, 56] Operation: 19+37=56 Exploring Operation: 37-19=18, Resulting Numbers: [10, 3, 18] Generated Node #0,2: 100:[10, 3, 18] Operation: 37-19=18 Exploring Operation: 37+10=47, Resulting Numbers: [19, 3, 47] Generated Node #0,3: 100:[19, 3, 47] Operation: 37+10=47 Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[10, 3, 18], Operations: ['37-19=18'] Exploring Operation: 3+18=21, Resulting Numbers: [10, 21] Generated Node #0,2,0: 100:[10, 21] Operation: 3+18=21 Exploring Operation: 10-3=7, Resulting Numbers: [18, 7] Generated Node #0,2,1: 100:[18, 7] Operation: 10-3=7 Exploring Operation: 18/3=6, Resulting Numbers: [10, 6] Generated Node #0,2,2: 100:[10, 6] Operation: 18/3=6 Exploring Operation: 18-10=8, Resulting Numbers: [3, 8] Generated Node #0,2,3: 100:[3, 8] Operation: 18-10=8 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 100:[10, 21], Operations: ['37-19=18', '3+18=21'] Exploring Operation: 10*21=210, Resulting Numbers: [210] 210,100 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,100 unequal: No Solution Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,100 unequal: No Solution No 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: 100:[10, 6], Operations: ['37-19=18', '18/3=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,100 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,100 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,100 unequal: No Solution No 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: 100:[3, 8], Operations: ['37-19=18', '18-10=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,100 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,100 unequal: No Solution No 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: 100:[18, 7], Operations: ['37-19=18', '10-3=7'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,100 unequal: No Solution Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,100 unequal: No Solution Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,100 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: 100:[19, 3, 27], Operations: ['37-10=27'] Exploring Operation: 27-19=8, Resulting Numbers: [3, 8] Generated Node #0,0,0: 100:[3, 8] Operation: 27-19=8 Exploring Operation: 27-3=24, Resulting Numbers: [19, 24] Generated Node #0,0,1: 100:[19, 24] Operation: 27-3=24 Exploring Operation: 27/3=9, Resulting Numbers: [19, 9] Generated Node #0,0,2: 100:[19, 9] Operation: 27/3=9 Exploring Operation: 19+3=22, Resulting Numbers: [27, 22] Generated Node #0,0,3: 100:[27, 22] Operation: 19+3=22 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 100:[19, 24], Operations: ['37-10=27', '27-3=24'] Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,100 unequal: No Solution Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,100 unequal: No Solution No 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: 100:[19, 9], Operations: ['37-10=27', '27/3=9'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,100 unequal: No Solution Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,100 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,100 unequal: No Solution No 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: 100:[3, 8], Operations: ['37-10=27', '27-19=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,100 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,100 unequal: No Solution No 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: 100:[27, 22], Operations: ['37-10=27', '19+3=22'] Exploring Operation: 27*22=594, Resulting Numbers: [594] 594,100 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,100 unequal: No Solution Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,100 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: 100:[19, 3, 47], Operations: ['37+10=47'] Exploring Operation: 47-19=28, Resulting Numbers: [3, 28] Generated Node #0,3,0: 100:[3, 28] Operation: 47-19=28 Exploring Operation: 19+3=22, Resulting Numbers: [47, 22] Generated Node #0,3,1: 100:[47, 22] Operation: 19+3=22 Exploring Operation: 3+47=50, Resulting Numbers: [19, 50] Generated Node #0,3,2: 100:[19, 50] Operation: 3+47=50 Exploring Operation: 19-3=16, Resulting Numbers: [47, 16] Generated Node #0,3,3: 100:[47, 16] Operation: 19-3=16 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 100:[19, 50], Operations: ['37+10=47', '3+47=50'] Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,100 unequal: No Solution Exploring Operation: 19+50=69, Resulting Numbers: [69] 69,100 unequal: No Solution Exploring Operation: 19*50=950, Resulting Numbers: [950] 950,100 unequal: No Solution No 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: 100:[3, 28], Operations: ['37+10=47', '47-19=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,100 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 100:[47, 22], Operations: ['37+10=47', '19+3=22'] Exploring Operation: 47-22=25, Resulting Numbers: [25] 25,100 unequal: No Solution Exploring Operation: 47+22=69, Resulting Numbers: [69] 69,100 unequal: No Solution Exploring Operation: 47*22=1034, Resulting Numbers: [1034] 1034,100 unequal: No Solution No 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: 100:[47, 16], Operations: ['37+10=47', '19-3=16'] Exploring Operation: 47*16=752, Resulting Numbers: [752] 752,100 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,100 unequal: No Solution Exploring Operation: 47+16=63, Resulting Numbers: [63] 63,100 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: 100:[10, 3, 56], Operations: ['19+37=56'] Exploring Operation: 56-3=53, Resulting Numbers: [10, 53] Generated Node #0,1,0: 100:[10, 53] Operation: 56-3=53 Exploring Operation: 56-10=46, Resulting Numbers: [3, 46] Generated Node #0,1,1: 100:[3, 46] Operation: 56-10=46 Exploring Operation: 10+3=13, Resulting Numbers: [56, 13] Generated Node #0,1,2: 100:[56, 13] Operation: 10+3=13 Exploring Operation: 10-3=7, Resulting Numbers: [56, 7] Generated Node #0,1,3: 100:[56, 7] Operation: 10-3=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 100:[10, 53], Operations: ['19+37=56', '56-3=53'] Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,100 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,100 unequal: No Solution No 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: 100:[3, 46], Operations: ['19+37=56', '56-10=46'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,100 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,100 unequal: No Solution No 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: 100:[56, 7], Operations: ['19+37=56', '10-3=7'] Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,100 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,100 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,100 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,100 unequal: No Solution No 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: 100:[56, 13], Operations: ['19+37=56', '10+3=13'] Exploring Operation: 56-13=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 56+13=69, Resulting Numbers: [69] 69,100 unequal: No Solution Exploring Operation: 56*13=728, Resulting Numbers: [728] 728,100 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
[ 25, 92, 57, 32 ]
42
[ "92-25=67", "57-32=25", "67-25=42" ]
Current State: 42:[25, 92, 57, 32], Operations: [] Exploring Operation: 92-25=67, Resulting Numbers: [57, 32, 67] Generated Node #2: [57, 32, 67] from Operation: 92-25=67 Current State: 42:[57, 32, 67], Operations: ['92-25=67'] Exploring Operation: 57-32=25, Resulting Numbers: [67, 25] Generated Node #3: [67, 25] from Operation: 57-32=25 Current State: 42:[67, 25], Operations: ['92-25=67', '57-32=25'] Exploring Operation: 67-25=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[25, 92, 57, 32], Operations: [] Exploring Operation: 57-32=25, Resulting Numbers: [25, 92, 25] Generated Node #0,0: 42:[25, 92, 25] Operation: 57-32=25 Exploring Operation: 92-57=35, Resulting Numbers: [25, 32, 35] Generated Node #0,1: 42:[25, 32, 35] Operation: 92-57=35 Exploring Operation: 32-25=7, Resulting Numbers: [92, 57, 7] Generated Node #0,2: 42:[92, 57, 7] Operation: 32-25=7 Exploring Operation: 92-25=67, Resulting Numbers: [57, 32, 67] Generated Node #0,3: 42:[57, 32, 67] Operation: 92-25=67 Exploring Operation: 92-32=60, Resulting Numbers: [25, 57, 60] Generated Node #0,4: 42:[25, 57, 60] Operation: 92-32=60 Moving to Node #0,1 Current State: 42:[25, 32, 35], Operations: ['92-57=35'] Exploring Operation: 32-25=7, Resulting Numbers: [35, 7] Generated Node #0,1,0: 42:[35, 7] Operation: 32-25=7 Exploring Operation: 35-25=10, Resulting Numbers: [32, 10] Generated Node #0,1,1: 42:[32, 10] Operation: 35-25=10 Exploring Operation: 35-32=3, Resulting Numbers: [25, 3] Generated Node #0,1,2: 42:[25, 3] Operation: 35-32=3 Exploring Operation: 25+35=60, Resulting Numbers: [32, 60] Generated Node #0,1,3: 42:[32, 60] Operation: 25+35=60 Exploring Operation: 25+32=57, Resulting Numbers: [35, 57] Generated Node #0,1,4: 42:[35, 57] Operation: 25+32=57 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 42:[25, 3], Operations: ['92-57=35', '35-32=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,42 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[35, 7], Operations: ['92-57=35', '32-25=7'] Exploring Operation: 35*7=245, Resulting Numbers: [245] 245,42 unequal: No Solution Exploring Operation: 35+7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[25, 92, 57, 32], Operations: [] Exploring Operation: 92-57=35, Resulting Numbers: [25, 32, 35] Generated Node #0,1: 42:[25, 32, 35] Operation: 92-57=35 Moving to Node #0,1 Current State: 42:[25, 32, 35], Operations: ['92-57=35'] Exploring Operation: 32-25=7, Resulting Numbers: [35, 7] Generated Node #0,1,0: 42:[35, 7] Operation: 32-25=7 Moving to Node #0,1,0 Current State: 42:[35, 7], Operations: ['92-57=35', '32-25=7'] Exploring Operation: 35+7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 71, 46, 87, 42 ]
70
[ "71-46=25", "87-42=45", "25+45=70" ]
Current State: 70:[71, 46, 87, 42], Operations: [] Exploring Operation: 71-46=25, Resulting Numbers: [87, 42, 25] Generated Node #2: [87, 42, 25] from Operation: 71-46=25 Current State: 70:[87, 42, 25], Operations: ['71-46=25'] Exploring Operation: 87-42=45, Resulting Numbers: [25, 45] Generated Node #3: [25, 45] from Operation: 87-42=45 Current State: 70:[25, 45], Operations: ['71-46=25', '87-42=45'] Exploring Operation: 25+45=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[71, 46, 87, 42], Operations: [] Exploring Operation: 46-42=4, Resulting Numbers: [71, 87, 4] Generated Node #0,0: 70:[71, 87, 4] Operation: 46-42=4 Exploring Operation: 87-42=45, Resulting Numbers: [71, 46, 45] Generated Node #0,1: 70:[71, 46, 45] Operation: 87-42=45 Exploring Operation: 87-46=41, Resulting Numbers: [71, 42, 41] Generated Node #0,2: 70:[71, 42, 41] Operation: 87-46=41 Exploring Operation: 87-71=16, Resulting Numbers: [46, 42, 16] Generated Node #0,3: 70:[46, 42, 16] Operation: 87-71=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 70:[71, 42, 41], Operations: ['87-46=41'] Exploring Operation: 42+41=83, Resulting Numbers: [71, 83] Generated Node #0,2,0: 70:[71, 83] Operation: 42+41=83 Exploring Operation: 71-42=29, Resulting Numbers: [41, 29] Generated Node #0,2,1: 70:[41, 29] Operation: 71-42=29 Exploring Operation: 71-41=30, Resulting Numbers: [42, 30] Generated Node #0,2,2: 70:[42, 30] Operation: 71-41=30 Exploring Operation: 42-41=1, Resulting Numbers: [71, 1] Generated Node #0,2,3: 70:[71, 1] Operation: 42-41=1 Moving to Node #0,2,3 Current State: 70:[71, 1], Operations: ['87-46=41', '42-41=1'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[71, 46, 87, 42], Operations: [] Exploring Operation: 87-46=41, Resulting Numbers: [71, 42, 41] Generated Node #0,2: 70:[71, 42, 41] Operation: 87-46=41 Moving to Node #0,2 Current State: 70:[71, 42, 41], Operations: ['87-46=41'] Exploring Operation: 42-41=1, Resulting Numbers: [71, 1] Generated Node #0,2,3: 70:[71, 1] Operation: 42-41=1 Moving to Node #0,2,3 Current State: 70:[71, 1], Operations: ['87-46=41', '42-41=1'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 28, 41, 5, 77 ]
99
[ "41-5=36", "77*36=2772", "2772/28=99" ]
Current State: 99:[28, 41, 5, 77], Operations: [] Exploring Operation: 41-5=36, Resulting Numbers: [28, 77, 36] Generated Node #2: [28, 77, 36] from Operation: 41-5=36 Current State: 99:[28, 77, 36], Operations: ['41-5=36'] Exploring Operation: 77*36=2772, Resulting Numbers: [28, 2772] Generated Node #3: [28, 2772] from Operation: 77*36=2772 Current State: 99:[28, 2772], Operations: ['41-5=36', '77*36=2772'] Exploring Operation: 2772/28=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[28, 41, 5, 77], Operations: [] Exploring Operation: 28+77=105, Resulting Numbers: [41, 5, 105] Generated Node #0,0: 99:[41, 5, 105] Operation: 28+77=105 Exploring Operation: 77-28=49, Resulting Numbers: [41, 5, 49] Generated Node #0,1: 99:[41, 5, 49] Operation: 77-28=49 Exploring Operation: 41-28=13, Resulting Numbers: [5, 77, 13] Generated Node #0,2: 99:[5, 77, 13] Operation: 41-28=13 Exploring Operation: 77-41=36, Resulting Numbers: [28, 5, 36] Generated Node #0,3: 99:[28, 5, 36] Operation: 77-41=36 Start Sub Search at level 1: Moving to Node #0,3 Current State: 99:[28, 5, 36], Operations: ['77-41=36'] Exploring Operation: 36-28=8, Resulting Numbers: [5, 8] Generated Node #0,3,0: 99:[5, 8] Operation: 36-28=8 Exploring Operation: 36-5=31, Resulting Numbers: [28, 31] Generated Node #0,3,1: 99:[28, 31] Operation: 36-5=31 Exploring Operation: 28+5=33, Resulting Numbers: [36, 33] Generated Node #0,3,2: 99:[36, 33] Operation: 28+5=33 Exploring Operation: 28-5=23, Resulting Numbers: [36, 23] Generated Node #0,3,3: 99:[36, 23] Operation: 28-5=23 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 99:[5, 8], Operations: ['77-41=36', '36-28=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,99 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 99:[36, 33], Operations: ['77-41=36', '28+5=33'] Exploring Operation: 36+33=69, Resulting Numbers: [69] 69,99 unequal: No Solution Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 36*33=1188, Resulting Numbers: [1188] 1188,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 99:[28, 31], Operations: ['77-41=36', '36-5=31'] Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 28+31=59, Resulting Numbers: [59] 59,99 unequal: No Solution Exploring Operation: 28*31=868, Resulting Numbers: [868] 868,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 99:[36, 23], Operations: ['77-41=36', '28-5=23'] Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,99 unequal: No Solution Exploring Operation: 36*23=828, Resulting Numbers: [828] 828,99 unequal: No Solution Exploring Operation: 36+23=59, Resulting Numbers: [59] 59,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[41, 5, 105], Operations: ['28+77=105'] Exploring Operation: 41+5=46, Resulting Numbers: [105, 46] Generated Node #0,0,0: 99:[105, 46] Operation: 41+5=46 Exploring Operation: 105-5=100, Resulting Numbers: [41, 100] Generated Node #0,0,1: 99:[41, 100] Operation: 105-5=100 Exploring Operation: 41-5=36, Resulting Numbers: [105, 36] Generated Node #0,0,2: 99:[105, 36] Operation: 41-5=36 Exploring Operation: 105/5=21, Resulting Numbers: [41, 21] Generated Node #0,0,3: 99:[41, 21] Operation: 105/5=21 Moving to Node #0,0,1 Current State: 99:[41, 100], Operations: ['28+77=105', '105-5=100'] Exploring Operation: 41+100=141, Resulting Numbers: [141] 141,99 unequal: No Solution Exploring Operation: 41*100=4100, Resulting Numbers: [4100] 4100,99 unequal: No Solution Exploring Operation: 100-41=59, Resulting Numbers: [59] 59,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[105, 36], Operations: ['28+77=105', '41-5=36'] Exploring Operation: 105*36=3780, Resulting Numbers: [3780] 3780,99 unequal: No Solution Exploring Operation: 105-36=69, Resulting Numbers: [69] 69,99 unequal: No Solution Exploring Operation: 105+36=141, Resulting Numbers: [141] 141,99 unequal: No Solution Moving to Node #0,0,3 Current State: 99:[41, 21], Operations: ['28+77=105', '105/5=21'] Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,99 unequal: No Solution Exploring Operation: 41*21=861, Resulting Numbers: [861] 861,99 unequal: No Solution Exploring Operation: 41+21=62, Resulting Numbers: [62] 62,99 unequal: No Solution Moving to Node #0,0,0 Current State: 99:[105, 46], Operations: ['28+77=105', '41+5=46'] Exploring Operation: 105*46=4830, Resulting Numbers: [4830] 4830,99 unequal: No Solution Exploring Operation: 105+46=151, Resulting Numbers: [151] 151,99 unequal: No Solution Exploring Operation: 105-46=59, Resulting Numbers: [59] 59,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[41, 5, 49], Operations: ['77-28=49'] Exploring Operation: 41+49=90, Resulting Numbers: [5, 90] Generated Node #0,1,0: 99:[5, 90] Operation: 41+49=90 Exploring Operation: 41-5=36, Resulting Numbers: [49, 36] Generated Node #0,1,1: 99:[49, 36] Operation: 41-5=36 Exploring Operation: 49-41=8, Resulting Numbers: [5, 8] Generated Node #0,1,2: 99:[5, 8] Operation: 49-41=8 Exploring Operation: 49-5=44, Resulting Numbers: [41, 44] Generated Node #0,1,3: 99:[41, 44] Operation: 49-5=44 Moving to Node #0,1,2 Current State: 99:[5, 8], Operations: ['77-28=49', '49-41=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,99 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[5, 90], Operations: ['77-28=49', '41+49=90'] Exploring Operation: 5+90=95, Resulting Numbers: [95] 95,99 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,99 unequal: No Solution Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,99 unequal: No Solution Exploring Operation: 5*90=450, Resulting Numbers: [450] 450,99 unequal: No Solution Moving to Node #0,1,3 Current State: 99:[41, 44], Operations: ['77-28=49', '49-5=44'] Exploring Operation: 41+44=85, Resulting Numbers: [85] 85,99 unequal: No Solution Exploring Operation: 44-41=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 41*44=1804, Resulting Numbers: [1804] 1804,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[49, 36], Operations: ['77-28=49', '41-5=36'] Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,99 unequal: No Solution Exploring Operation: 49*36=1764, Resulting Numbers: [1764] 1764,99 unequal: No Solution Exploring Operation: 49+36=85, Resulting Numbers: [85] 85,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[5, 77, 13], Operations: ['41-28=13'] Exploring Operation: 77-5=72, Resulting Numbers: [13, 72] Generated Node #0,2,0: 99:[13, 72] Operation: 77-5=72 Exploring Operation: 77+13=90, Resulting Numbers: [5, 90] Generated Node #0,2,1: 99:[5, 90] Operation: 77+13=90 Exploring Operation: 13-5=8, Resulting Numbers: [77, 8] Generated Node #0,2,2: 99:[77, 8] Operation: 13-5=8 Exploring Operation: 5+77=82, Resulting Numbers: [13, 82] Generated Node #0,2,3: 99:[13, 82] Operation: 5+77=82 Moving to Node #0,2,1 Current State: 99:[5, 90], Operations: ['41-28=13', '77+13=90'] Exploring Operation: 5*90=450, Resulting Numbers: [450] 450,99 unequal: No Solution Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,99 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,99 unequal: No Solution Exploring Operation: 5+90=95, Resulting Numbers: [95] 95,99 unequal: No Solution Moving to Node #0,2,3 Current State: 99:[13, 82], Operations: ['41-28=13', '5+77=82'] Exploring Operation: 82-13=69, Resulting Numbers: [69] 69,99 unequal: No Solution Exploring Operation: 13*82=1066, Resulting Numbers: [1066] 1066,99 unequal: No Solution Exploring Operation: 13+82=95, Resulting Numbers: [95] 95,99 unequal: No Solution Moving to Node #0,2,2 Current State: 99:[77, 8], Operations: ['41-28=13', '13-5=8'] Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,99 unequal: No Solution Exploring Operation: 77*8=616, Resulting Numbers: [616] 616,99 unequal: No Solution Exploring Operation: 77+8=85, Resulting Numbers: [85] 85,99 unequal: No Solution Moving to Node #0,2,0 Current State: 99:[13, 72], Operations: ['41-28=13', '77-5=72'] Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,99 unequal: No Solution Exploring Operation: 13+72=85, Resulting Numbers: [85] 85,99 unequal: No Solution Exploring Operation: 13*72=936, Resulting Numbers: [936] 936,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 77, 1, 54, 48 ]
70
[ "77-1=76", "54-48=6", "76-6=70" ]
Current State: 70:[77, 1, 54, 48], Operations: [] Exploring Operation: 77-1=76, Resulting Numbers: [54, 48, 76] Generated Node #2: [54, 48, 76] from Operation: 77-1=76 Current State: 70:[54, 48, 76], Operations: ['77-1=76'] Exploring Operation: 54-48=6, Resulting Numbers: [76, 6] Generated Node #3: [76, 6] from Operation: 54-48=6 Current State: 70:[76, 6], Operations: ['77-1=76', '54-48=6'] Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[77, 1, 54, 48], Operations: [] Exploring Operation: 54-48=6, Resulting Numbers: [77, 1, 6] Generated Node #0,0: 70:[77, 1, 6] Operation: 54-48=6 Exploring Operation: 77-54=23, Resulting Numbers: [1, 48, 23] Generated Node #0,1: 70:[1, 48, 23] Operation: 77-54=23 Moving to Node #0,0 Current State: 70:[77, 1, 6], Operations: ['54-48=6'] Exploring Operation: 77-6=71, Resulting Numbers: [1, 71] Generated Node #0,0,0: 70:[1, 71] Operation: 77-6=71 Exploring Operation: 77-1=76, Resulting Numbers: [6, 76] Generated Node #0,0,1: 70:[6, 76] Operation: 77-1=76 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[1, 71], Operations: ['54-48=6', '77-6=71'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[77, 1, 54, 48], Operations: [] Exploring Operation: 54-48=6, Resulting Numbers: [77, 1, 6] Generated Node #0,0: 70:[77, 1, 6] Operation: 54-48=6 Moving to Node #0,0 Current State: 70:[77, 1, 6], Operations: ['54-48=6'] Exploring Operation: 77-6=71, Resulting Numbers: [1, 71] Generated Node #0,0,0: 70:[1, 71] Operation: 77-6=71 Moving to Node #0,0,0 Current State: 70:[1, 71], Operations: ['54-48=6', '77-6=71'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 3, 47, 69, 43 ]
18
[ "47-3=44", "69-43=26", "44-26=18" ]
Current State: 18:[3, 47, 69, 43], Operations: [] Exploring Operation: 47-3=44, Resulting Numbers: [69, 43, 44] Generated Node #2: [69, 43, 44] from Operation: 47-3=44 Current State: 18:[69, 43, 44], Operations: ['47-3=44'] Exploring Operation: 69-43=26, Resulting Numbers: [44, 26] Generated Node #3: [44, 26] from Operation: 69-43=26 Current State: 18:[44, 26], Operations: ['47-3=44', '69-43=26'] Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[3, 47, 69, 43], Operations: [] Exploring Operation: 69-47=22, Resulting Numbers: [3, 43, 22] Generated Node #0,0: 18:[3, 43, 22] Operation: 69-47=22 Exploring Operation: 69-43=26, Resulting Numbers: [3, 47, 26] Generated Node #0,1: 18:[3, 47, 26] Operation: 69-43=26 Exploring Operation: 47-43=4, Resulting Numbers: [3, 69, 4] Generated Node #0,2: 18:[3, 69, 4] Operation: 47-43=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[3, 43, 22], Operations: ['69-47=22'] Exploring Operation: 22-3=19, Resulting Numbers: [43, 19] Generated Node #0,0,0: 18:[43, 19] Operation: 22-3=19 Exploring Operation: 43-3=40, Resulting Numbers: [22, 40] Generated Node #0,0,1: 18:[22, 40] Operation: 43-3=40 Exploring Operation: 43-22=21, Resulting Numbers: [3, 21] Generated Node #0,0,2: 18:[3, 21] Operation: 43-22=21 Moving to Node #0,0,2 Current State: 18:[3, 21], Operations: ['69-47=22', '43-22=21'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[3, 47, 69, 43], Operations: [] Exploring Operation: 69-47=22, Resulting Numbers: [3, 43, 22] Generated Node #0,0: 18:[3, 43, 22] Operation: 69-47=22 Moving to Node #0,0 Current State: 18:[3, 43, 22], Operations: ['69-47=22'] Exploring Operation: 43-22=21, Resulting Numbers: [3, 21] Generated Node #0,0,2: 18:[3, 21] Operation: 43-22=21 Moving to Node #0,0,2 Current State: 18:[3, 21], Operations: ['69-47=22', '43-22=21'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 11, 33, 26, 72 ]
68
[ "33-11=22", "72-26=46", "22+46=68" ]
Current State: 68:[11, 33, 26, 72], Operations: [] Exploring Operation: 33-11=22, Resulting Numbers: [26, 72, 22] Generated Node #2: [26, 72, 22] from Operation: 33-11=22 Current State: 68:[26, 72, 22], Operations: ['33-11=22'] Exploring Operation: 72-26=46, Resulting Numbers: [22, 46] Generated Node #3: [22, 46] from Operation: 72-26=46 Current State: 68:[22, 46], Operations: ['33-11=22', '72-26=46'] Exploring Operation: 22+46=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[11, 33, 26, 72], Operations: [] Exploring Operation: 26-11=15, Resulting Numbers: [33, 72, 15] Generated Node #0,0: 68:[33, 72, 15] Operation: 26-11=15 Exploring Operation: 33-26=7, Resulting Numbers: [11, 72, 7] Generated Node #0,1: 68:[11, 72, 7] Operation: 33-26=7 Exploring Operation: 72-11=61, Resulting Numbers: [33, 26, 61] Generated Node #0,2: 68:[33, 26, 61] Operation: 72-11=61 Exploring Operation: 33/11=3, Resulting Numbers: [26, 72, 3] Generated Node #0,3: 68:[26, 72, 3] Operation: 33/11=3 Exploring Operation: 11+26=37, Resulting Numbers: [33, 72, 37] Generated Node #0,4: 68:[33, 72, 37] Operation: 11+26=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[33, 72, 15], Operations: ['26-11=15'] Exploring Operation: 72-15=57, Resulting Numbers: [33, 57] Generated Node #0,0,0: 68:[33, 57] Operation: 72-15=57 Exploring Operation: 33+15=48, Resulting Numbers: [72, 48] Generated Node #0,0,1: 68:[72, 48] Operation: 33+15=48 Exploring Operation: 72-33=39, Resulting Numbers: [15, 39] Generated Node #0,0,2: 68:[15, 39] Operation: 72-33=39 Exploring Operation: 72+15=87, Resulting Numbers: [33, 87] Generated Node #0,0,3: 68:[33, 87] Operation: 72+15=87 Exploring Operation: 33-15=18, Resulting Numbers: [72, 18] Generated Node #0,0,4: 68:[72, 18] Operation: 33-15=18 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 68:[72, 18], Operations: ['26-11=15', '33-15=18'] Exploring Operation: 72/18=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 72+18=90, Resulting Numbers: [90] 90,68 unequal: No Solution Exploring Operation: 72-18=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 72*18=1296, Resulting Numbers: [1296] 1296,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 68:[15, 39], Operations: ['26-11=15', '72-33=39'] Exploring Operation: 15*39=585, Resulting Numbers: [585] 585,68 unequal: No Solution Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 15+39=54, Resulting Numbers: [54] 54,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[33, 57], Operations: ['26-11=15', '72-15=57'] Exploring Operation: 33*57=1881, Resulting Numbers: [1881] 1881,68 unequal: No Solution Exploring Operation: 57-33=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 33+57=90, Resulting Numbers: [90] 90,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 68:[72, 48], Operations: ['26-11=15', '33+15=48'] Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 72+48=120, Resulting Numbers: [120] 120,68 unequal: No Solution Exploring Operation: 72*48=3456, Resulting Numbers: [3456] 3456,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 68:[33, 87], Operations: ['26-11=15', '72+15=87'] Exploring Operation: 33+87=120, Resulting Numbers: [120] 120,68 unequal: No Solution Exploring Operation: 33*87=2871, Resulting Numbers: [2871] 2871,68 unequal: No Solution Exploring Operation: 87-33=54, Resulting Numbers: [54] 54,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 68:[33, 72, 37], Operations: ['11+26=37'] Exploring Operation: 72-33=39, Resulting Numbers: [37, 39] Generated Node #0,4,0: 68:[37, 39] Operation: 72-33=39 Exploring Operation: 33+72=105, Resulting Numbers: [37, 105] Generated Node #0,4,1: 68:[37, 105] Operation: 33+72=105 Exploring Operation: 33+37=70, Resulting Numbers: [72, 70] Generated Node #0,4,2: 68:[72, 70] Operation: 33+37=70 Exploring Operation: 37-33=4, Resulting Numbers: [72, 4] Generated Node #0,4,3: 68:[72, 4] Operation: 37-33=4 Exploring Operation: 72-37=35, Resulting Numbers: [33, 35] Generated Node #0,4,4: 68:[33, 35] Operation: 72-37=35 Moving to Node #0,4,4 Current State: 68:[33, 35], Operations: ['11+26=37', '72-37=35'] Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[11, 33, 26, 72], Operations: [] Exploring Operation: 11+26=37, Resulting Numbers: [33, 72, 37] Generated Node #0,4: 68:[33, 72, 37] Operation: 11+26=37 Moving to Node #0,4 Current State: 68:[33, 72, 37], Operations: ['11+26=37'] Exploring Operation: 72-37=35, Resulting Numbers: [33, 35] Generated Node #0,4,4: 68:[33, 35] Operation: 72-37=35 Moving to Node #0,4,4 Current State: 68:[33, 35], Operations: ['11+26=37', '72-37=35'] Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 10, 75, 30, 57 ]
38
[ "75-10=65", "57-30=27", "65-27=38" ]
Current State: 38:[10, 75, 30, 57], Operations: [] Exploring Operation: 75-10=65, Resulting Numbers: [30, 57, 65] Generated Node #2: [30, 57, 65] from Operation: 75-10=65 Current State: 38:[30, 57, 65], Operations: ['75-10=65'] Exploring Operation: 57-30=27, Resulting Numbers: [65, 27] Generated Node #3: [65, 27] from Operation: 57-30=27 Current State: 38:[65, 27], Operations: ['75-10=65', '57-30=27'] Exploring Operation: 65-27=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[10, 75, 30, 57], Operations: [] Exploring Operation: 75-57=18, Resulting Numbers: [10, 30, 18] Generated Node #0,0: 38:[10, 30, 18] Operation: 75-57=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[10, 30, 18], Operations: ['75-57=18'] Exploring Operation: 30-10=20, Resulting Numbers: [18, 20] Generated Node #0,0,0: 38:[18, 20] Operation: 30-10=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[18, 20], Operations: ['75-57=18', '30-10=20'] Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[10, 75, 30, 57], Operations: [] Exploring Operation: 75-57=18, Resulting Numbers: [10, 30, 18] Generated Node #0,0: 38:[10, 30, 18] Operation: 75-57=18 Moving to Node #0,0 Current State: 38:[10, 30, 18], Operations: ['75-57=18'] Exploring Operation: 30-10=20, Resulting Numbers: [18, 20] Generated Node #0,0,0: 38:[18, 20] Operation: 30-10=20 Moving to Node #0,0,0 Current State: 38:[18, 20], Operations: ['75-57=18', '30-10=20'] Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 62, 98, 60, 69 ]
27
[ "98-62=36", "69-60=9", "36-9=27" ]
Current State: 27:[62, 98, 60, 69], Operations: [] Exploring Operation: 98-62=36, Resulting Numbers: [60, 69, 36] Generated Node #2: [60, 69, 36] from Operation: 98-62=36 Current State: 27:[60, 69, 36], Operations: ['98-62=36'] Exploring Operation: 69-60=9, Resulting Numbers: [36, 9] Generated Node #3: [36, 9] from Operation: 69-60=9 Current State: 27:[36, 9], Operations: ['98-62=36', '69-60=9'] Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[62, 98, 60, 69], Operations: [] Exploring Operation: 98-62=36, Resulting Numbers: [60, 69, 36] Generated Node #0,0: 27:[60, 69, 36] Operation: 98-62=36 Exploring Operation: 98-69=29, Resulting Numbers: [62, 60, 29] Generated Node #0,1: 27:[62, 60, 29] Operation: 98-69=29 Moving to Node #0,1 Current State: 27:[62, 60, 29], Operations: ['98-69=29'] Exploring Operation: 62-60=2, Resulting Numbers: [29, 2] Generated Node #0,1,0: 27:[29, 2] Operation: 62-60=2 Exploring Operation: 62-29=33, Resulting Numbers: [60, 33] Generated Node #0,1,1: 27:[60, 33] Operation: 62-29=33 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 27:[29, 2], Operations: ['98-69=29', '62-60=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[62, 98, 60, 69], Operations: [] Exploring Operation: 98-69=29, Resulting Numbers: [62, 60, 29] Generated Node #0,1: 27:[62, 60, 29] Operation: 98-69=29 Moving to Node #0,1 Current State: 27:[62, 60, 29], Operations: ['98-69=29'] Exploring Operation: 62-60=2, Resulting Numbers: [29, 2] Generated Node #0,1,0: 27:[29, 2] Operation: 62-60=2 Moving to Node #0,1,0 Current State: 27:[29, 2], Operations: ['98-69=29', '62-60=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 3, 78, 86, 55 ]
57
[ "78/3=26", "86-55=31", "26+31=57" ]
Current State: 57:[3, 78, 86, 55], Operations: [] Exploring Operation: 78/3=26, Resulting Numbers: [86, 55, 26] Generated Node #2: [86, 55, 26] from Operation: 78/3=26 Current State: 57:[86, 55, 26], Operations: ['78/3=26'] Exploring Operation: 86-55=31, Resulting Numbers: [26, 31] Generated Node #3: [26, 31] from Operation: 86-55=31 Current State: 57:[26, 31], Operations: ['78/3=26', '86-55=31'] Exploring Operation: 26+31=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[3, 78, 86, 55], Operations: [] Exploring Operation: 86-78=8, Resulting Numbers: [3, 55, 8] Generated Node #0,0: 57:[3, 55, 8] Operation: 86-78=8 Moving to Node #0,0 Current State: 57:[3, 55, 8], Operations: ['86-78=8'] Exploring Operation: 8-3=5, Resulting Numbers: [55, 5] Generated Node #0,0,0: 57:[55, 5] Operation: 8-3=5 Moving to Node #0,0,0 Current State: 57:[55, 5], Operations: ['86-78=8', '8-3=5'] Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,57 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 93, 32, 52, 64 ]
67
[ "32*52=1664", "1664/64=26", "93-26=67" ]
Current State: 67:[93, 32, 52, 64], Operations: [] Exploring Operation: 32*52=1664, Resulting Numbers: [93, 64, 1664] Generated Node #2: [93, 64, 1664] from Operation: 32*52=1664 Current State: 67:[93, 64, 1664], Operations: ['32*52=1664'] Exploring Operation: 1664/64=26, Resulting Numbers: [93, 26] Generated Node #3: [93, 26] from Operation: 1664/64=26 Current State: 67:[93, 26], Operations: ['32*52=1664', '1664/64=26'] Exploring Operation: 93-26=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[93, 32, 52, 64], Operations: [] Exploring Operation: 93-52=41, Resulting Numbers: [32, 64, 41] Generated Node #0,0: 67:[32, 64, 41] Operation: 93-52=41 Exploring Operation: 93-32=61, Resulting Numbers: [52, 64, 61] Generated Node #0,1: 67:[52, 64, 61] Operation: 93-32=61 Exploring Operation: 32+52=84, Resulting Numbers: [93, 64, 84] Generated Node #0,2: 67:[93, 64, 84] Operation: 32+52=84 Exploring Operation: 93+32=125, Resulting Numbers: [52, 64, 125] Generated Node #0,3: 67:[52, 64, 125] Operation: 93+32=125 Exploring Operation: 32+64=96, Resulting Numbers: [93, 52, 96] Generated Node #0,4: 67:[93, 52, 96] Operation: 32+64=96 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[52, 64, 61], Operations: ['93-32=61'] Exploring Operation: 64-52=12, Resulting Numbers: [61, 12] Generated Node #0,1,0: 67:[61, 12] Operation: 64-52=12 Exploring Operation: 52+61=113, Resulting Numbers: [64, 113] Generated Node #0,1,1: 67:[64, 113] Operation: 52+61=113 Exploring Operation: 52+64=116, Resulting Numbers: [61, 116] Generated Node #0,1,2: 67:[61, 116] Operation: 52+64=116 Exploring Operation: 61-52=9, Resulting Numbers: [64, 9] Generated Node #0,1,3: 67:[64, 9] Operation: 61-52=9 Exploring Operation: 64+61=125, Resulting Numbers: [52, 125] Generated Node #0,1,4: 67:[52, 125] Operation: 64+61=125 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[64, 113], Operations: ['93-32=61', '52+61=113'] Exploring Operation: 113-64=49, Resulting Numbers: [49] 49,67 unequal: No Solution Exploring Operation: 64+113=177, Resulting Numbers: [177] 177,67 unequal: No Solution Exploring Operation: 64*113=7232, Resulting Numbers: [7232] 7232,67 unequal: No Solution No 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: 67:[61, 116], Operations: ['93-32=61', '52+64=116'] Exploring Operation: 61+116=177, Resulting Numbers: [177] 177,67 unequal: No Solution Exploring Operation: 116-61=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 61*116=7076, Resulting Numbers: [7076] 7076,67 unequal: No Solution No 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: 67:[61, 12], Operations: ['93-32=61', '64-52=12'] Exploring Operation: 61+12=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 61-12=49, Resulting Numbers: [49] 49,67 unequal: No Solution Exploring Operation: 61*12=732, Resulting Numbers: [732] 732,67 unequal: No Solution No 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: 67:[64, 9], Operations: ['93-32=61', '61-52=9'] Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 64*9=576, Resulting Numbers: [576] 576,67 unequal: No Solution No 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: 67:[52, 125], Operations: ['93-32=61', '64+61=125'] Exploring Operation: 125-52=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 52+125=177, Resulting Numbers: [177] 177,67 unequal: No Solution Exploring Operation: 52*125=6500, Resulting Numbers: [6500] 6500,67 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: 67:[93, 64, 84], Operations: ['32+52=84'] Exploring Operation: 64+84=148, Resulting Numbers: [93, 148] Generated Node #0,2,0: 67:[93, 148] Operation: 64+84=148 Exploring Operation: 84-64=20, Resulting Numbers: [93, 20] Generated Node #0,2,1: 67:[93, 20] Operation: 84-64=20 Exploring Operation: 93+64=157, Resulting Numbers: [84, 157] Generated Node #0,2,2: 67:[84, 157] Operation: 93+64=157 Exploring Operation: 93-64=29, Resulting Numbers: [84, 29] Generated Node #0,2,3: 67:[84, 29] Operation: 93-64=29 Exploring Operation: 93-84=9, Resulting Numbers: [64, 9] Generated Node #0,2,4: 67:[64, 9] Operation: 93-84=9 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 67:[84, 29], Operations: ['32+52=84', '93-64=29'] Exploring Operation: 84*29=2436, Resulting Numbers: [2436] 2436,67 unequal: No Solution Exploring Operation: 84+29=113, Resulting Numbers: [113] 113,67 unequal: No Solution Exploring Operation: 84-29=55, Resulting Numbers: [55] 55,67 unequal: No Solution No 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: 67:[64, 9], Operations: ['32+52=84', '93-84=9'] Exploring Operation: 64*9=576, Resulting Numbers: [576] 576,67 unequal: No Solution Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,67 unequal: No Solution No 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: 67:[93, 20], Operations: ['32+52=84', '84-64=20'] Exploring Operation: 93-20=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 93*20=1860, Resulting Numbers: [1860] 1860,67 unequal: No Solution Exploring Operation: 93+20=113, Resulting Numbers: [113] 113,67 unequal: No Solution No 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: 67:[93, 148], Operations: ['32+52=84', '64+84=148'] Exploring Operation: 148-93=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 93*148=13764, Resulting Numbers: [13764] 13764,67 unequal: No Solution Exploring Operation: 93+148=241, Resulting Numbers: [241] 241,67 unequal: No Solution No 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: 67:[84, 157], Operations: ['32+52=84', '93+64=157'] Exploring Operation: 157-84=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 84*157=13188, Resulting Numbers: [13188] 13188,67 unequal: No Solution Exploring Operation: 84+157=241, Resulting Numbers: [241] 241,67 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: 67:[32, 64, 41], Operations: ['93-52=41'] Exploring Operation: 32+64=96, Resulting Numbers: [41, 96] Generated Node #0,0,0: 67:[41, 96] Operation: 32+64=96 Exploring Operation: 64+41=105, Resulting Numbers: [32, 105] Generated Node #0,0,1: 67:[32, 105] Operation: 64+41=105 Exploring Operation: 32+41=73, Resulting Numbers: [64, 73] Generated Node #0,0,2: 67:[64, 73] Operation: 32+41=73 Exploring Operation: 64-32=32, Resulting Numbers: [41, 32] Generated Node #0,0,3: 67:[41, 32] Operation: 64-32=32 Exploring Operation: 41-32=9, Resulting Numbers: [64, 9] Generated Node #0,0,4: 67:[64, 9] Operation: 41-32=9 Moving to Node #0,0,2 Current State: 67:[64, 73], Operations: ['93-52=41', '32+41=73'] Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,67 unequal: No Solution Exploring Operation: 64+73=137, Resulting Numbers: [137] 137,67 unequal: No Solution Exploring Operation: 64*73=4672, Resulting Numbers: [4672] 4672,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[41, 96], Operations: ['93-52=41', '32+64=96'] Exploring Operation: 41+96=137, Resulting Numbers: [137] 137,67 unequal: No Solution Exploring Operation: 41*96=3936, Resulting Numbers: [3936] 3936,67 unequal: No Solution Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[41, 32], Operations: ['93-52=41', '64-32=32'] Exploring Operation: 41+32=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 41*32=1312, Resulting Numbers: [1312] 1312,67 unequal: No Solution Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,67 unequal: No Solution Moving to Node #0,0,4 Current State: 67:[64, 9], Operations: ['93-52=41', '41-32=9'] Exploring Operation: 64*9=576, Resulting Numbers: [576] 576,67 unequal: No Solution Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[32, 105], Operations: ['93-52=41', '64+41=105'] Exploring Operation: 32+105=137, Resulting Numbers: [137] 137,67 unequal: No Solution Exploring Operation: 105-32=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 32*105=3360, Resulting Numbers: [3360] 3360,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 67:[93, 52, 96], Operations: ['32+64=96'] Exploring Operation: 93-52=41, Resulting Numbers: [96, 41] Generated Node #0,4,0: 67:[96, 41] Operation: 93-52=41 Exploring Operation: 52+96=148, Resulting Numbers: [93, 148] Generated Node #0,4,1: 67:[93, 148] Operation: 52+96=148 Exploring Operation: 96-52=44, Resulting Numbers: [93, 44] Generated Node #0,4,2: 67:[93, 44] Operation: 96-52=44 Exploring Operation: 96-93=3, Resulting Numbers: [52, 3] Generated Node #0,4,3: 67:[52, 3] Operation: 96-93=3 Exploring Operation: 93+52=145, Resulting Numbers: [96, 145] Generated Node #0,4,4: 67:[96, 145] Operation: 93+52=145 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 67:[93, 44], Operations: ['32+64=96', '96-52=44'] Exploring Operation: 93-44=49, Resulting Numbers: [49] 49,67 unequal: No Solution Exploring Operation: 93*44=4092, Resulting Numbers: [4092] 4092,67 unequal: No Solution Exploring Operation: 93+44=137, Resulting Numbers: [137] 137,67 unequal: No Solution No 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: 67:[96, 41], Operations: ['32+64=96', '93-52=41'] Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 96+41=137, Resulting Numbers: [137] 137,67 unequal: No Solution Exploring Operation: 96*41=3936, Resulting Numbers: [3936] 3936,67 unequal: No Solution No 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: 67:[52, 3], Operations: ['32+64=96', '96-93=3'] Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,67 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 67:[93, 148], Operations: ['32+64=96', '52+96=148'] Exploring Operation: 93+148=241, Resulting Numbers: [241] 241,67 unequal: No Solution Exploring Operation: 148-93=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 93*148=13764, Resulting Numbers: [13764] 13764,67 unequal: No Solution No 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: 67:[96, 145], Operations: ['32+64=96', '93+52=145'] Exploring Operation: 96+145=241, Resulting Numbers: [241] 241,67 unequal: No Solution Exploring Operation: 145-96=49, Resulting Numbers: [49] 49,67 unequal: No Solution Exploring Operation: 96*145=13920, Resulting Numbers: [13920] 13920,67 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: 67:[52, 64, 125], Operations: ['93+32=125'] Exploring Operation: 52+64=116, Resulting Numbers: [125, 116] Generated Node #0,3,0: 67:[125, 116] Operation: 52+64=116 Exploring Operation: 125-52=73, Resulting Numbers: [64, 73] Generated Node #0,3,1: 67:[64, 73] Operation: 125-52=73 Exploring Operation: 52+125=177, Resulting Numbers: [64, 177] Generated Node #0,3,2: 67:[64, 177] Operation: 52+125=177 Exploring Operation: 125-64=61, Resulting Numbers: [52, 61] Generated Node #0,3,3: 67:[52, 61] Operation: 125-64=61 Exploring Operation: 64-52=12, Resulting Numbers: [125, 12] Generated Node #0,3,4: 67:[125, 12] Operation: 64-52=12 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 67:[64, 73], Operations: ['93+32=125', '125-52=73'] Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,67 unequal: No Solution Exploring Operation: 64*73=4672, Resulting Numbers: [4672] 4672,67 unequal: No Solution Exploring Operation: 64+73=137, Resulting Numbers: [137] 137,67 unequal: No Solution No 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: 67:[52, 61], Operations: ['93+32=125', '125-64=61'] Exploring Operation: 52+61=113, Resulting Numbers: [113] 113,67 unequal: No Solution Exploring Operation: 52*61=3172, Resulting Numbers: [3172] 3172,67 unequal: No Solution Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,67 unequal: No Solution No 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: 67:[125, 116], Operations: ['93+32=125', '52+64=116'] Exploring Operation: 125-116=9, Resulting Numbers: [9] 9,67 unequal: No Solution Exploring Operation: 125*116=14500, Resulting Numbers: [14500] 14500,67 unequal: No Solution Exploring Operation: 125+116=241, Resulting Numbers: [241] 241,67 unequal: No Solution No 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: 67:[64, 177], Operations: ['93+32=125', '52+125=177'] Exploring Operation: 177-64=113, Resulting Numbers: [113] 113,67 unequal: No Solution Exploring Operation: 64*177=11328, Resulting Numbers: [11328] 11328,67 unequal: No Solution Exploring Operation: 64+177=241, Resulting Numbers: [241] 241,67 unequal: No Solution No 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: 67:[125, 12], Operations: ['93+32=125', '64-52=12'] Exploring Operation: 125-12=113, Resulting Numbers: [113] 113,67 unequal: No Solution Exploring Operation: 125*12=1500, Resulting Numbers: [1500] 1500,67 unequal: No Solution Exploring Operation: 125+12=137, Resulting Numbers: [137] 137,67 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
[ 50, 23, 7, 65 ]
56
[ "50+23=73", "73-65=8", "7*8=56" ]
Current State: 56:[50, 23, 7, 65], Operations: [] Exploring Operation: 50+23=73, Resulting Numbers: [7, 65, 73] Generated Node #2: [7, 65, 73] from Operation: 50+23=73 Current State: 56:[7, 65, 73], Operations: ['50+23=73'] Exploring Operation: 73-65=8, Resulting Numbers: [7, 8] Generated Node #3: [7, 8] from Operation: 73-65=8 Current State: 56:[7, 8], Operations: ['50+23=73', '73-65=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[50, 23, 7, 65], Operations: [] Exploring Operation: 50+7=57, Resulting Numbers: [23, 65, 57] Generated Node #0,0: 56:[23, 65, 57] Operation: 50+7=57 Exploring Operation: 50-23=27, Resulting Numbers: [7, 65, 27] Generated Node #0,1: 56:[7, 65, 27] Operation: 50-23=27 Exploring Operation: 65-7=58, Resulting Numbers: [50, 23, 58] Generated Node #0,2: 56:[50, 23, 58] Operation: 65-7=58 Exploring Operation: 65-50=15, Resulting Numbers: [23, 7, 15] Generated Node #0,3: 56:[23, 7, 15] Operation: 65-50=15 Moving to Node #0,3 Current State: 56:[23, 7, 15], Operations: ['65-50=15'] Exploring Operation: 23+7=30, Resulting Numbers: [15, 30] Generated Node #0,3,0: 56:[15, 30] Operation: 23+7=30 Exploring Operation: 15-7=8, Resulting Numbers: [23, 8] Generated Node #0,3,1: 56:[23, 8] Operation: 15-7=8 Exploring Operation: 23-7=16, Resulting Numbers: [15, 16] Generated Node #0,3,2: 56:[15, 16] Operation: 23-7=16 Exploring Operation: 23-15=8, Resulting Numbers: [7, 8] Generated Node #0,3,3: 56:[7, 8] Operation: 23-15=8 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 56:[7, 8], Operations: ['65-50=15', '23-15=8'] Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[50, 23, 7, 65], Operations: [] Exploring Operation: 65-50=15, Resulting Numbers: [23, 7, 15] Generated Node #0,3: 56:[23, 7, 15] Operation: 65-50=15 Moving to Node #0,3 Current State: 56:[23, 7, 15], Operations: ['65-50=15'] Exploring Operation: 23-15=8, Resulting Numbers: [7, 8] Generated Node #0,3,3: 56:[7, 8] Operation: 23-15=8 Moving to Node #0,3,3 Current State: 56:[7, 8], Operations: ['65-50=15', '23-15=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 72, 85, 41, 48 ]
29
[ "72*48=3456", "85*41=3485", "3485-3456=29" ]
Current State: 29:[72, 85, 41, 48], Operations: [] Exploring Operation: 72*48=3456, Resulting Numbers: [85, 41, 3456] Generated Node #2: [85, 41, 3456] from Operation: 72*48=3456 Current State: 29:[85, 41, 3456], Operations: ['72*48=3456'] Exploring Operation: 85*41=3485, Resulting Numbers: [3456, 3485] Generated Node #3: [3456, 3485] from Operation: 85*41=3485 Current State: 29:[3456, 3485], Operations: ['72*48=3456', '85*41=3485'] Exploring Operation: 3485-3456=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[72, 85, 41, 48], Operations: [] Exploring Operation: 72-41=31, Resulting Numbers: [85, 48, 31] Generated Node #0,0: 29:[85, 48, 31] Operation: 72-41=31 Exploring Operation: 85-72=13, Resulting Numbers: [41, 48, 13] Generated Node #0,1: 29:[41, 48, 13] Operation: 85-72=13 Exploring Operation: 72-48=24, Resulting Numbers: [85, 41, 24] Generated Node #0,2: 29:[85, 41, 24] Operation: 72-48=24 Exploring Operation: 85-48=37, Resulting Numbers: [72, 41, 37] Generated Node #0,3: 29:[72, 41, 37] Operation: 85-48=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[41, 48, 13], Operations: ['85-72=13'] Exploring Operation: 48-41=7, Resulting Numbers: [13, 7] Generated Node #0,1,0: 29:[13, 7] Operation: 48-41=7 Exploring Operation: 48-13=35, Resulting Numbers: [41, 35] Generated Node #0,1,1: 29:[41, 35] Operation: 48-13=35 Exploring Operation: 41+13=54, Resulting Numbers: [48, 54] Generated Node #0,1,2: 29:[48, 54] Operation: 41+13=54 Exploring Operation: 41-13=28, Resulting Numbers: [48, 28] Generated Node #0,1,3: 29:[48, 28] Operation: 41-13=28 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 29:[41, 35], Operations: ['85-72=13', '48-13=35'] Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,29 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 29:[48, 28], Operations: ['85-72=13', '41-13=28'] Exploring Operation: 48*28=1344, Resulting Numbers: [1344] 1344,29 unequal: No Solution Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 48+28=76, Resulting Numbers: [76] 76,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[13, 7], Operations: ['85-72=13', '48-41=7'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,29 unequal: No Solution Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 29:[48, 54], Operations: ['85-72=13', '41+13=54'] Exploring Operation: 48+54=102, Resulting Numbers: [102] 102,29 unequal: No Solution Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 48*54=2592, Resulting Numbers: [2592] 2592,29 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 #0,3 Current State: 29:[72, 41, 37], Operations: ['85-48=37'] Exploring Operation: 72-37=35, Resulting Numbers: [41, 35] Generated Node #0,3,0: 29:[41, 35] Operation: 72-37=35 Exploring Operation: 72+41=113, Resulting Numbers: [37, 113] Generated Node #0,3,1: 29:[37, 113] Operation: 72+41=113 Exploring Operation: 72-41=31, Resulting Numbers: [37, 31] Generated Node #0,3,2: 29:[37, 31] Operation: 72-41=31 Exploring Operation: 41-37=4, Resulting Numbers: [72, 4] Generated Node #0,3,3: 29:[72, 4] Operation: 41-37=4 Moving to Node #0,3,2 Current State: 29:[37, 31], Operations: ['85-48=37', '72-41=31'] Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 37*31=1147, Resulting Numbers: [1147] 1147,29 unequal: No Solution Exploring Operation: 37+31=68, Resulting Numbers: [68] 68,29 unequal: No Solution Moving to Node #0,3,0 Current State: 29:[41, 35], Operations: ['85-48=37', '72-37=35'] Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,29 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,29 unequal: No Solution Moving to Node #0,3,3 Current State: 29:[72, 4], Operations: ['85-48=37', '41-37=4'] Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 72*4=288, Resulting Numbers: [288] 288,29 unequal: No Solution Moving to Node #0,3,1 Current State: 29:[37, 113], Operations: ['85-48=37', '72+41=113'] Exploring Operation: 37+113=150, Resulting Numbers: [150] 150,29 unequal: No Solution Exploring Operation: 113-37=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 37*113=4181, Resulting Numbers: [4181] 4181,29 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:[85, 41, 24], Operations: ['72-48=24'] Exploring Operation: 41-24=17, Resulting Numbers: [85, 17] Generated Node #0,2,0: 29:[85, 17] Operation: 41-24=17 Exploring Operation: 85-24=61, Resulting Numbers: [41, 61] Generated Node #0,2,1: 29:[41, 61] Operation: 85-24=61 Exploring Operation: 85+24=109, Resulting Numbers: [41, 109] Generated Node #0,2,2: 29:[41, 109] Operation: 85+24=109 Exploring Operation: 85-41=44, Resulting Numbers: [24, 44] Generated Node #0,2,3: 29:[24, 44] Operation: 85-41=44 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 29:[24, 44], Operations: ['72-48=24', '85-41=44'] Exploring Operation: 24*44=1056, Resulting Numbers: [1056] 1056,29 unequal: No Solution Exploring Operation: 24+44=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,29 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:[41, 61], Operations: ['72-48=24', '85-24=61'] Exploring Operation: 41+61=102, Resulting Numbers: [102] 102,29 unequal: No Solution Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 41*61=2501, Resulting Numbers: [2501] 2501,29 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 #0,2,0 Current State: 29:[85, 17], Operations: ['72-48=24', '41-24=17'] Exploring Operation: 85+17=102, Resulting Numbers: [102] 102,29 unequal: No Solution Exploring Operation: 85-17=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 85/17=5, Resulting Numbers: [5] 5,29 unequal: No Solution Exploring Operation: 85*17=1445, Resulting Numbers: [1445] 1445,29 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:[41, 109], Operations: ['72-48=24', '85+24=109'] Exploring Operation: 41*109=4469, Resulting Numbers: [4469] 4469,29 unequal: No Solution Exploring Operation: 41+109=150, Resulting Numbers: [150] 150,29 unequal: No Solution Exploring Operation: 109-41=68, Resulting Numbers: [68] 68,29 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:[85, 48, 31], Operations: ['72-41=31'] Exploring Operation: 85+48=133, Resulting Numbers: [31, 133] Generated Node #0,0,0: 29:[31, 133] Operation: 85+48=133 Exploring Operation: 85-31=54, Resulting Numbers: [48, 54] Generated Node #0,0,1: 29:[48, 54] Operation: 85-31=54 Exploring Operation: 48-31=17, Resulting Numbers: [85, 17] Generated Node #0,0,2: 29:[85, 17] Operation: 48-31=17 Exploring Operation: 85-48=37, Resulting Numbers: [31, 37] Generated Node #0,0,3: 29:[31, 37] Operation: 85-48=37 Moving to Node #0,0,3 Current State: 29:[31, 37], Operations: ['72-41=31', '85-48=37'] Exploring Operation: 31*37=1147, Resulting Numbers: [1147] 1147,29 unequal: No Solution Exploring Operation: 31+37=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[48, 54], Operations: ['72-41=31', '85-31=54'] Exploring Operation: 48+54=102, Resulting Numbers: [102] 102,29 unequal: No Solution Exploring Operation: 48*54=2592, Resulting Numbers: [2592] 2592,29 unequal: No Solution Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[85, 17], Operations: ['72-41=31', '48-31=17'] Exploring Operation: 85-17=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 85*17=1445, Resulting Numbers: [1445] 1445,29 unequal: No Solution Exploring Operation: 85+17=102, Resulting Numbers: [102] 102,29 unequal: No Solution Exploring Operation: 85/17=5, Resulting Numbers: [5] 5,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[31, 133], Operations: ['72-41=31', '85+48=133'] Exploring Operation: 31*133=4123, Resulting Numbers: [4123] 4123,29 unequal: No Solution Exploring Operation: 133-31=102, Resulting Numbers: [102] 102,29 unequal: No Solution Exploring Operation: 31+133=164, Resulting Numbers: [164] 164,29 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
[ 85, 73, 26, 55 ]
93
[ "85-73=12", "26+55=81", "12+81=93" ]
Current State: 93:[85, 73, 26, 55], Operations: [] Exploring Operation: 85-73=12, Resulting Numbers: [26, 55, 12] Generated Node #2: [26, 55, 12] from Operation: 85-73=12 Current State: 93:[26, 55, 12], Operations: ['85-73=12'] Exploring Operation: 26+55=81, Resulting Numbers: [12, 81] Generated Node #3: [12, 81] from Operation: 26+55=81 Current State: 93:[12, 81], Operations: ['85-73=12', '26+55=81'] Exploring Operation: 12+81=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[85, 73, 26, 55], Operations: [] Exploring Operation: 85-55=30, Resulting Numbers: [73, 26, 30] Generated Node #0,0: 93:[73, 26, 30] Operation: 85-55=30 Exploring Operation: 73-55=18, Resulting Numbers: [85, 26, 18] Generated Node #0,1: 93:[85, 26, 18] Operation: 73-55=18 Exploring Operation: 55-26=29, Resulting Numbers: [85, 73, 29] Generated Node #0,2: 93:[85, 73, 29] Operation: 55-26=29 Exploring Operation: 85-73=12, Resulting Numbers: [26, 55, 12] Generated Node #0,3: 93:[26, 55, 12] Operation: 85-73=12 Moving to Node #0,0 Current State: 93:[73, 26, 30], Operations: ['85-55=30'] Exploring Operation: 73+26=99, Resulting Numbers: [30, 99] Generated Node #0,0,0: 93:[30, 99] Operation: 73+26=99 Exploring Operation: 73-30=43, Resulting Numbers: [26, 43] Generated Node #0,0,1: 93:[26, 43] Operation: 73-30=43 Exploring Operation: 73+30=103, Resulting Numbers: [26, 103] Generated Node #0,0,2: 93:[26, 103] Operation: 73+30=103 Exploring Operation: 73-26=47, Resulting Numbers: [30, 47] Generated Node #0,0,3: 93:[30, 47] Operation: 73-26=47 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[30, 99], Operations: ['85-55=30', '73+26=99'] Exploring Operation: 30*99=2970, Resulting Numbers: [2970] 2970,93 unequal: No Solution Exploring Operation: 30+99=129, Resulting Numbers: [129] 129,93 unequal: No Solution Exploring Operation: 99-30=69, Resulting Numbers: [69] 69,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[26, 103], Operations: ['85-55=30', '73+30=103'] Exploring Operation: 26*103=2678, Resulting Numbers: [2678] 2678,93 unequal: No Solution Exploring Operation: 103-26=77, Resulting Numbers: [77] 77,93 unequal: No Solution Exploring Operation: 26+103=129, Resulting Numbers: [129] 129,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[26, 43], Operations: ['85-55=30', '73-30=43'] Exploring Operation: 26+43=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 26*43=1118, Resulting Numbers: [1118] 1118,93 unequal: No Solution Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 93:[30, 47], Operations: ['85-55=30', '73-26=47'] Exploring Operation: 30*47=1410, Resulting Numbers: [1410] 1410,93 unequal: No Solution Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,93 unequal: No Solution Exploring Operation: 30+47=77, Resulting Numbers: [77] 77,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 93:[85, 26, 18], Operations: ['73-55=18'] Exploring Operation: 85+18=103, Resulting Numbers: [26, 103] Generated Node #0,1,0: 93:[26, 103] Operation: 85+18=103 Exploring Operation: 85+26=111, Resulting Numbers: [18, 111] Generated Node #0,1,1: 93:[18, 111] Operation: 85+26=111 Exploring Operation: 26-18=8, Resulting Numbers: [85, 8] Generated Node #0,1,2: 93:[85, 8] Operation: 26-18=8 Exploring Operation: 26+18=44, Resulting Numbers: [85, 44] Generated Node #0,1,3: 93:[85, 44] Operation: 26+18=44 Moving to Node #0,2 Current State: 93:[85, 73, 29], Operations: ['55-26=29'] Exploring Operation: 73+29=102, Resulting Numbers: [85, 102] Generated Node #0,2,0: 93:[85, 102] Operation: 73+29=102 Exploring Operation: 85+29=114, Resulting Numbers: [73, 114] Generated Node #0,2,1: 93:[73, 114] Operation: 85+29=114 Exploring Operation: 85-73=12, Resulting Numbers: [29, 12] Generated Node #0,2,2: 93:[29, 12] Operation: 85-73=12 Exploring Operation: 73-29=44, Resulting Numbers: [85, 44] Generated Node #0,2,3: 93:[85, 44] Operation: 73-29=44 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[29, 12], Operations: ['55-26=29', '85-73=12'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,93 unequal: No Solution Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 29*12=348, Resulting Numbers: [348] 348,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[85, 102], Operations: ['55-26=29', '73+29=102'] Exploring Operation: 85*102=8670, Resulting Numbers: [8670] 8670,93 unequal: No Solution Exploring Operation: 102-85=17, Resulting Numbers: [17] 17,93 unequal: No Solution Exploring Operation: 85+102=187, Resulting Numbers: [187] 187,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 93:[85, 44], Operations: ['55-26=29', '73-29=44'] Exploring Operation: 85+44=129, Resulting Numbers: [129] 129,93 unequal: No Solution Exploring Operation: 85*44=3740, Resulting Numbers: [3740] 3740,93 unequal: No Solution Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[73, 114], Operations: ['55-26=29', '85+29=114'] Exploring Operation: 73*114=8322, Resulting Numbers: [8322] 8322,93 unequal: No Solution Exploring Operation: 73+114=187, Resulting Numbers: [187] 187,93 unequal: No Solution Exploring Operation: 114-73=41, Resulting Numbers: [41] 41,93 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: 93:[26, 55, 12], Operations: ['85-73=12'] Exploring Operation: 55-12=43, Resulting Numbers: [26, 43] Generated Node #0,3,0: 93:[26, 43] Operation: 55-12=43 Exploring Operation: 26+12=38, Resulting Numbers: [55, 38] Generated Node #0,3,1: 93:[55, 38] Operation: 26+12=38 Exploring Operation: 26+55=81, Resulting Numbers: [12, 81] Generated Node #0,3,2: 93:[12, 81] Operation: 26+55=81 Exploring Operation: 55-26=29, Resulting Numbers: [12, 29] Generated Node #0,3,3: 93:[12, 29] Operation: 55-26=29 Moving to Node #0,3,3 Current State: 93:[12, 29], Operations: ['85-73=12', '55-26=29'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,93 unequal: No Solution Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,93 unequal: No Solution Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[85, 8], Operations: ['73-55=18', '26-18=8'] Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[85, 73, 26, 55], Operations: [] Exploring Operation: 73-55=18, Resulting Numbers: [85, 26, 18] Generated Node #0,1: 93:[85, 26, 18] Operation: 73-55=18 Moving to Node #0,1 Current State: 93:[85, 26, 18], Operations: ['73-55=18'] Exploring Operation: 26-18=8, Resulting Numbers: [85, 8] Generated Node #0,1,2: 93:[85, 8] Operation: 26-18=8 Moving to Node #0,1,2 Current State: 93:[85, 8], Operations: ['73-55=18', '26-18=8'] Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.954861
hs_4
sum_heuristic
[ 2, 2, 94, 36 ]
65
[ "94/2=47", "36/2=18", "47+18=65" ]
Current State: 65:[2, 2, 94, 36], Operations: [] Exploring Operation: 94/2=47, Resulting Numbers: [36, 47] Generated Node #2: [36, 47] from Operation: 94/2=47 Current State: 65:[36, 47], Operations: ['94/2=47'] Exploring Operation: 36/2=18, Resulting Numbers: [47, 18] Generated Node #3: [47, 18] from Operation: 36/2=18 Current State: 65:[47, 18], Operations: ['94/2=47', '36/2=18'] Exploring Operation: 47+18=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[2, 2, 94, 36], Operations: [] Exploring Operation: 36/2=18, Resulting Numbers: [2, 94, 18] Generated Node #0,0: 65:[2, 94, 18] Operation: 36/2=18 Exploring Operation: 94-36=58, Resulting Numbers: [2, 2, 58] Generated Node #0,1: 65:[2, 2, 58] Operation: 94-36=58 Exploring Operation: 2*36=72, Resulting Numbers: [2, 94, 72] Generated Node #0,2: 65:[2, 94, 72] Operation: 2*36=72 Exploring Operation: 36/2=18, Resulting Numbers: [2, 94, 18] Generated Node #0,3: 65:[2, 94, 18] Operation: 36/2=18 Moving to Node #0,1 Current State: 65:[2, 2, 58], Operations: ['94-36=58'] Exploring Operation: 2+2=4, Resulting Numbers: [58, 4] Generated Node #0,1,0: 65:[58, 4] Operation: 2+2=4 Exploring Operation: 2+58=60, Resulting Numbers: [2, 60] Generated Node #0,1,1: 65:[2, 60] Operation: 2+58=60 Exploring Operation: 2*2=4, Resulting Numbers: [58, 4] Generated Node #0,1,2: 65:[58, 4] Operation: 2*2=4 Exploring Operation: 2+58=60, Resulting Numbers: [2, 60] Generated Node #0,1,3: 65:[2, 60] Operation: 2+58=60 Moving to Node #0,3 Current State: 65:[2, 94, 18], Operations: ['36/2=18'] Exploring Operation: 94-18=76, Resulting Numbers: [2, 76] Generated Node #0,3,0: 65:[2, 76] Operation: 94-18=76 Exploring Operation: 18-2=16, Resulting Numbers: [94, 16] Generated Node #0,3,1: 65:[94, 16] Operation: 18-2=16 Exploring Operation: 94/2=47, Resulting Numbers: [18, 47] Generated Node #0,3,2: 65:[18, 47] Operation: 94/2=47 Exploring Operation: 94-2=92, Resulting Numbers: [18, 92] Generated Node #0,3,3: 65:[18, 92] Operation: 94-2=92 Moving to Node #0,0 Current State: 65:[2, 94, 18], Operations: ['36/2=18'] Exploring Operation: 94/2=47, Resulting Numbers: [18, 47] Generated Node #0,0,0: 65:[18, 47] Operation: 94/2=47 Exploring Operation: 94-2=92, Resulting Numbers: [18, 92] Generated Node #0,0,1: 65:[18, 92] Operation: 94-2=92 Exploring Operation: 94-18=76, Resulting Numbers: [2, 76] Generated Node #0,0,2: 65:[2, 76] Operation: 94-18=76 Exploring Operation: 18-2=16, Resulting Numbers: [94, 16] Generated Node #0,0,3: 65:[94, 16] Operation: 18-2=16 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 65:[2, 76], Operations: ['36/2=18', '94-18=76'] Exploring Operation: 2*76=152, Resulting Numbers: [152] 152,65 unequal: No Solution Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,65 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,65 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[18, 47], Operations: ['36/2=18', '94/2=47'] Exploring Operation: 18*47=846, Resulting Numbers: [846] 846,65 unequal: No Solution Exploring Operation: 47-18=29, Resulting Numbers: [29] 29,65 unequal: No Solution Exploring Operation: 18+47=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[2, 2, 94, 36], Operations: [] Exploring Operation: 36/2=18, Resulting Numbers: [2, 94, 18] Generated Node #0,0: 65:[2, 94, 18] Operation: 36/2=18 Moving to Node #0,0 Current State: 65:[2, 94, 18], Operations: ['36/2=18'] Exploring Operation: 94/2=47, Resulting Numbers: [18, 47] Generated Node #0,0,0: 65:[18, 47] Operation: 94/2=47 Moving to Node #0,0,0 Current State: 65:[18, 47], Operations: ['36/2=18', '94/2=47'] Exploring Operation: 18+47=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_4
mult_heuristic
[ 49, 26, 26, 50 ]
53
[ "49-26=23", "26+50=76", "76-23=53" ]
Current State: 53:[49, 26, 26, 50], Operations: [] Exploring Operation: 49-26=23, Resulting Numbers: [50, 23] Generated Node #2: [50, 23] from Operation: 49-26=23 Current State: 53:[50, 23], Operations: ['49-26=23'] Exploring Operation: 26+50=76, Resulting Numbers: [23, 76] Generated Node #3: [23, 76] from Operation: 26+50=76 Current State: 53:[23, 76], Operations: ['49-26=23', '26+50=76'] Exploring Operation: 76-23=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[49, 26, 26, 50], Operations: [] Exploring Operation: 49+26=75, Resulting Numbers: [26, 50, 75] Generated Node #0,0: 53:[26, 50, 75] Operation: 49+26=75 Exploring Operation: 49+26=75, Resulting Numbers: [26, 50, 75] Generated Node #0,1: 53:[26, 50, 75] Operation: 49+26=75 Exploring Operation: 26+26=52, Resulting Numbers: [49, 50, 52] Generated Node #0,2: 53:[49, 50, 52] Operation: 26+26=52 Moving to Node #0,2 Current State: 53:[49, 50, 52], Operations: ['26+26=52'] Exploring Operation: 49+52=101, Resulting Numbers: [50, 101] Generated Node #0,2,0: 53:[50, 101] Operation: 49+52=101 Exploring Operation: 50-49=1, Resulting Numbers: [52, 1] Generated Node #0,2,1: 53:[52, 1] Operation: 50-49=1 Exploring Operation: 49+50=99, Resulting Numbers: [52, 99] Generated Node #0,2,2: 53:[52, 99] Operation: 49+50=99 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 53:[52, 99], Operations: ['26+26=52', '49+50=99'] Exploring Operation: 52+99=151, Resulting Numbers: [151] 151,53 unequal: No Solution Exploring Operation: 99-52=47, Resulting Numbers: [47] 47,53 unequal: No Solution Exploring Operation: 52*99=5148, Resulting Numbers: [5148] 5148,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[50, 101], Operations: ['26+26=52', '49+52=101'] Exploring Operation: 101-50=51, Resulting Numbers: [51] 51,53 unequal: No Solution Exploring Operation: 50*101=5050, Resulting Numbers: [5050] 5050,53 unequal: No Solution Exploring Operation: 50+101=151, Resulting Numbers: [151] 151,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[52, 1], Operations: ['26+26=52', '50-49=1'] Exploring Operation: 52*1=52, Resulting Numbers: [52] 52,53 unequal: No Solution Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,53 unequal: No Solution Exploring Operation: 52+1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[49, 26, 26, 50], Operations: [] Exploring Operation: 26+26=52, Resulting Numbers: [49, 50, 52] Generated Node #0,2: 53:[49, 50, 52] Operation: 26+26=52 Moving to Node #0,2 Current State: 53:[49, 50, 52], Operations: ['26+26=52'] Exploring Operation: 50-49=1, Resulting Numbers: [52, 1] Generated Node #0,2,1: 53:[52, 1] Operation: 50-49=1 Moving to Node #0,2,1 Current State: 53:[52, 1], Operations: ['26+26=52', '50-49=1'] Exploring Operation: 52+1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 22, 65, 29, 55 ]
55
[ "22*65=1430", "55-29=26", "1430/26=55" ]
Current State: 55:[22, 65, 29, 55], Operations: [] Exploring Operation: 22*65=1430, Resulting Numbers: [29, 55, 1430] Generated Node #2: [29, 55, 1430] from Operation: 22*65=1430 Current State: 55:[29, 55, 1430], Operations: ['22*65=1430'] Exploring Operation: 55-29=26, Resulting Numbers: [1430, 26] Generated Node #3: [1430, 26] from Operation: 55-29=26 Current State: 55:[1430, 26], Operations: ['22*65=1430', '55-29=26'] Exploring Operation: 1430/26=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[22, 65, 29, 55], Operations: [] Exploring Operation: 29-22=7, Resulting Numbers: [65, 55, 7] Generated Node #0,0: 55:[65, 55, 7] Operation: 29-22=7 Exploring Operation: 22+29=51, Resulting Numbers: [65, 55, 51] Generated Node #0,1: 55:[65, 55, 51] Operation: 22+29=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[65, 55, 7], Operations: ['29-22=7'] Exploring Operation: 65-55=10, Resulting Numbers: [7, 10] Generated Node #0,0,0: 55:[7, 10] Operation: 65-55=10 Exploring Operation: 65-7=58, Resulting Numbers: [55, 58] Generated Node #0,0,1: 55:[55, 58] Operation: 65-7=58 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[7, 10], Operations: ['29-22=7', '65-55=10'] Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,55 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,55 unequal: No Solution No 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: 55:[55, 58], Operations: ['29-22=7', '65-7=58'] Exploring Operation: 55+58=113, Resulting Numbers: [113] 113,55 unequal: No Solution Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,55 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: 55:[65, 55, 51], Operations: ['22+29=51'] Exploring Operation: 65-51=14, Resulting Numbers: [55, 14] Generated Node #0,1,0: 55:[55, 14] Operation: 65-51=14 Exploring Operation: 65-55=10, Resulting Numbers: [51, 10] Generated Node #0,1,1: 55:[51, 10] Operation: 65-55=10 Moving to Node #0,1,0 Current State: 55:[55, 14], Operations: ['22+29=51', '65-51=14'] Exploring Operation: 55+14=69, Resulting Numbers: [69] 69,55 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[51, 10], Operations: ['22+29=51', '65-55=10'] Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 51+10=61, Resulting Numbers: [61] 61,55 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
[ 47, 24, 60, 82 ]
45
[ "47-24=23", "82-60=22", "23+22=45" ]
Current State: 45:[47, 24, 60, 82], Operations: [] Exploring Operation: 47-24=23, Resulting Numbers: [60, 82, 23] Generated Node #2: [60, 82, 23] from Operation: 47-24=23 Current State: 45:[60, 82, 23], Operations: ['47-24=23'] Exploring Operation: 82-60=22, Resulting Numbers: [23, 22] Generated Node #3: [23, 22] from Operation: 82-60=22 Current State: 45:[23, 22], Operations: ['47-24=23', '82-60=22'] Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[47, 24, 60, 82], Operations: [] Exploring Operation: 82-24=58, Resulting Numbers: [47, 60, 58] Generated Node #0,0: 45:[47, 60, 58] Operation: 82-24=58 Exploring Operation: 60-47=13, Resulting Numbers: [24, 82, 13] Generated Node #0,1: 45:[24, 82, 13] Operation: 60-47=13 Exploring Operation: 82-47=35, Resulting Numbers: [24, 60, 35] Generated Node #0,2: 45:[24, 60, 35] Operation: 82-47=35 Exploring Operation: 82-60=22, Resulting Numbers: [47, 24, 22] Generated Node #0,3: 45:[47, 24, 22] Operation: 82-60=22 Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[47, 24, 22], Operations: ['82-60=22'] Exploring Operation: 47-24=23, Resulting Numbers: [22, 23] Generated Node #0,3,0: 45:[22, 23] Operation: 47-24=23 Exploring Operation: 47-22=25, Resulting Numbers: [24, 25] Generated Node #0,3,1: 45:[24, 25] Operation: 47-22=25 Exploring Operation: 24+22=46, Resulting Numbers: [47, 46] Generated Node #0,3,2: 45:[47, 46] Operation: 24+22=46 Exploring Operation: 24-22=2, Resulting Numbers: [47, 2] Generated Node #0,3,3: 45:[47, 2] Operation: 24-22=2 Moving to Node #0,3,2 Current State: 45:[47, 46], Operations: ['82-60=22', '24+22=46'] Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 47*46=2162, Resulting Numbers: [2162] 2162,45 unequal: No Solution Exploring Operation: 47+46=93, Resulting Numbers: [93] 93,45 unequal: No Solution Moving to Node #0,3,3 Current State: 45:[47, 2], Operations: ['82-60=22', '24-22=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,45 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[47, 24, 60, 82], Operations: [] Exploring Operation: 82-60=22, Resulting Numbers: [47, 24, 22] Generated Node #0,3: 45:[47, 24, 22] Operation: 82-60=22 Moving to Node #0,3 Current State: 45:[47, 24, 22], Operations: ['82-60=22'] Exploring Operation: 24-22=2, Resulting Numbers: [47, 2] Generated Node #0,3,3: 45:[47, 2] Operation: 24-22=2 Moving to Node #0,3,3 Current State: 45:[47, 2], Operations: ['82-60=22', '24-22=2'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 80, 32, 37, 75 ]
95
[ "37-32=5", "75/5=15", "80+15=95" ]
Current State: 95:[80, 32, 37, 75], Operations: [] Exploring Operation: 37-32=5, Resulting Numbers: [80, 75, 5] Generated Node #2: [80, 75, 5] from Operation: 37-32=5 Current State: 95:[80, 75, 5], Operations: ['37-32=5'] Exploring Operation: 75/5=15, Resulting Numbers: [80, 15] Generated Node #3: [80, 15] from Operation: 75/5=15 Current State: 95:[80, 15], Operations: ['37-32=5', '75/5=15'] Exploring Operation: 80+15=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[80, 32, 37, 75], Operations: [] Exploring Operation: 32+75=107, Resulting Numbers: [80, 37, 107] Generated Node #0,0: 95:[80, 37, 107] Operation: 32+75=107 Exploring Operation: 80-75=5, Resulting Numbers: [32, 37, 5] Generated Node #0,1: 95:[32, 37, 5] Operation: 80-75=5 Exploring Operation: 37-32=5, Resulting Numbers: [80, 75, 5] Generated Node #0,2: 95:[80, 75, 5] Operation: 37-32=5 Moving to Node #0,1 Current State: 95:[32, 37, 5], Operations: ['80-75=5'] Exploring Operation: 37-32=5, Resulting Numbers: [5, 5] Generated Node #0,1,0: 95:[5, 5] Operation: 37-32=5 Exploring Operation: 32+37=69, Resulting Numbers: [5, 69] Generated Node #0,1,1: 95:[5, 69] Operation: 32+37=69 Exploring Operation: 32-5=27, Resulting Numbers: [37, 27] Generated Node #0,1,2: 95:[37, 27] Operation: 32-5=27 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[5, 5], Operations: ['80-75=5', '37-32=5'] Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,95 unequal: No Solution Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,95 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 95:[5, 69], Operations: ['80-75=5', '32+37=69'] Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,95 unequal: No Solution Exploring Operation: 5*69=345, Resulting Numbers: [345] 345,95 unequal: No Solution Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 95:[37, 27], Operations: ['80-75=5', '32-5=27'] Exploring Operation: 37*27=999, Resulting Numbers: [999] 999,95 unequal: No Solution Exploring Operation: 37+27=64, Resulting Numbers: [64] 64,95 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,95 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: 95:[80, 75, 5], Operations: ['37-32=5'] Exploring Operation: 80-75=5, Resulting Numbers: [5, 5] Generated Node #0,2,0: 95:[5, 5] Operation: 80-75=5 Exploring Operation: 75/5=15, Resulting Numbers: [80, 15] Generated Node #0,2,1: 95:[80, 15] Operation: 75/5=15 Exploring Operation: 80/5=16, Resulting Numbers: [75, 16] Generated Node #0,2,2: 95:[75, 16] Operation: 80/5=16 Moving to Node #0,0 Current State: 95:[80, 37, 107], Operations: ['32+75=107'] Exploring Operation: 80-37=43, Resulting Numbers: [107, 43] Generated Node #0,0,0: 95:[107, 43] Operation: 80-37=43 Exploring Operation: 80+37=117, Resulting Numbers: [107, 117] Generated Node #0,0,1: 95:[107, 117] Operation: 80+37=117 Exploring Operation: 107-80=27, Resulting Numbers: [37, 27] Generated Node #0,0,2: 95:[37, 27] Operation: 107-80=27 Moving to Node #0,2,0 Current State: 95:[5, 5], Operations: ['37-32=5', '80-75=5'] Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,95 unequal: No Solution Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,95 unequal: No Solution Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,95 unequal: No Solution Moving to Node #0,2,1 Current State: 95:[80, 15], Operations: ['37-32=5', '75/5=15'] Exploring Operation: 80*15=1200, Resulting Numbers: [1200] 1200,95 unequal: No Solution Exploring Operation: 80-15=65, Resulting Numbers: [65] 65,95 unequal: No Solution Exploring Operation: 80+15=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[80, 32, 37, 75], Operations: [] Exploring Operation: 37-32=5, Resulting Numbers: [80, 75, 5] Generated Node #0,2: 95:[80, 75, 5] Operation: 37-32=5 Moving to Node #0,2 Current State: 95:[80, 75, 5], Operations: ['37-32=5'] Exploring Operation: 75/5=15, Resulting Numbers: [80, 15] Generated Node #0,2,1: 95:[80, 15] Operation: 75/5=15 Moving to Node #0,2,1 Current State: 95:[80, 15], Operations: ['37-32=5', '75/5=15'] Exploring Operation: 80+15=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
0.97309
hs_3
sum_heuristic
[ 31, 73, 92, 5 ]
39
[ "31*92=2852", "2852-5=2847", "2847/73=39" ]
Current State: 39:[31, 73, 92, 5], Operations: [] Exploring Operation: 31*92=2852, Resulting Numbers: [73, 5, 2852] Generated Node #2: [73, 5, 2852] from Operation: 31*92=2852 Current State: 39:[73, 5, 2852], Operations: ['31*92=2852'] Exploring Operation: 2852-5=2847, Resulting Numbers: [73, 2847] Generated Node #3: [73, 2847] from Operation: 2852-5=2847 Current State: 39:[73, 2847], Operations: ['31*92=2852', '2852-5=2847'] Exploring Operation: 2847/73=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[31, 73, 92, 5], Operations: [] Exploring Operation: 92-31=61, Resulting Numbers: [73, 5, 61] Generated Node #0,0: 39:[73, 5, 61] Operation: 92-31=61 Exploring Operation: 73-5=68, Resulting Numbers: [31, 92, 68] Generated Node #0,1: 39:[31, 92, 68] Operation: 73-5=68 Exploring Operation: 31+5=36, Resulting Numbers: [73, 92, 36] Generated Node #0,2: 39:[73, 92, 36] Operation: 31+5=36 Exploring Operation: 92-73=19, Resulting Numbers: [31, 5, 19] Generated Node #0,3: 39:[31, 5, 19] Operation: 92-73=19 Exploring Operation: 73-31=42, Resulting Numbers: [92, 5, 42] Generated Node #0,4: 39:[92, 5, 42] Operation: 73-31=42 Moving to Node #0,3 Current State: 39:[31, 5, 19], Operations: ['92-73=19'] Exploring Operation: 31-5=26, Resulting Numbers: [19, 26] Generated Node #0,3,0: 39:[19, 26] Operation: 31-5=26 Exploring Operation: 31+5=36, Resulting Numbers: [19, 36] Generated Node #0,3,1: 39:[19, 36] Operation: 31+5=36 Exploring Operation: 19-5=14, Resulting Numbers: [31, 14] Generated Node #0,3,2: 39:[31, 14] Operation: 19-5=14 Exploring Operation: 31+19=50, Resulting Numbers: [5, 50] Generated Node #0,3,3: 39:[5, 50] Operation: 31+19=50 Exploring Operation: 31-19=12, Resulting Numbers: [5, 12] Generated Node #0,3,4: 39:[5, 12] Operation: 31-19=12 Moving to Node #0,4 Current State: 39:[92, 5, 42], Operations: ['73-31=42'] Exploring Operation: 92-42=50, Resulting Numbers: [5, 50] Generated Node #0,4,0: 39:[5, 50] Operation: 92-42=50 Exploring Operation: 92+5=97, Resulting Numbers: [42, 97] Generated Node #0,4,1: 39:[42, 97] Operation: 92+5=97 Exploring Operation: 42-5=37, Resulting Numbers: [92, 37] Generated Node #0,4,2: 39:[92, 37] Operation: 42-5=37 Exploring Operation: 5+42=47, Resulting Numbers: [92, 47] Generated Node #0,4,3: 39:[92, 47] Operation: 5+42=47 Exploring Operation: 92-5=87, Resulting Numbers: [42, 87] Generated Node #0,4,4: 39:[42, 87] Operation: 92-5=87 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 39:[5, 50], Operations: ['73-31=42', '92-42=50'] Exploring Operation: 5*50=250, Resulting Numbers: [250] 250,39 unequal: No Solution Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,39 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,39 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 #0,4,4 Current State: 39:[42, 87], Operations: ['73-31=42', '92-5=87'] Exploring Operation: 42+87=129, Resulting Numbers: [129] 129,39 unequal: No Solution Exploring Operation: 42*87=3654, Resulting Numbers: [3654] 3654,39 unequal: No Solution Exploring Operation: 87-42=45, Resulting Numbers: [45] 45,39 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 #0,4,2 Current State: 39:[92, 37], Operations: ['73-31=42', '42-5=37'] Exploring Operation: 92+37=129, Resulting Numbers: [129] 129,39 unequal: No Solution Exploring Operation: 92-37=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 92*37=3404, Resulting Numbers: [3404] 3404,39 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 #0,4,1 Current State: 39:[42, 97], Operations: ['73-31=42', '92+5=97'] Exploring Operation: 42+97=139, Resulting Numbers: [139] 139,39 unequal: No Solution Exploring Operation: 97-42=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 42*97=4074, Resulting Numbers: [4074] 4074,39 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 #0,4,3 Current State: 39:[92, 47], Operations: ['73-31=42', '5+42=47'] Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,39 unequal: No Solution Exploring Operation: 92+47=139, Resulting Numbers: [139] 139,39 unequal: No Solution Exploring Operation: 92*47=4324, Resulting Numbers: [4324] 4324,39 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: 39:[73, 5, 61], Operations: ['92-31=61'] Exploring Operation: 73-61=12, Resulting Numbers: [5, 12] Generated Node #0,0,0: 39:[5, 12] Operation: 73-61=12 Exploring Operation: 73+5=78, Resulting Numbers: [61, 78] Generated Node #0,0,1: 39:[61, 78] Operation: 73+5=78 Exploring Operation: 61-5=56, Resulting Numbers: [73, 56] Generated Node #0,0,2: 39:[73, 56] Operation: 61-5=56 Exploring Operation: 5+61=66, Resulting Numbers: [73, 66] Generated Node #0,0,3: 39:[73, 66] Operation: 5+61=66 Exploring Operation: 73-5=68, Resulting Numbers: [61, 68] Generated Node #0,0,4: 39:[61, 68] Operation: 73-5=68 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[5, 12], Operations: ['92-31=61', '73-61=12'] Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,39 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,39 unequal: No Solution Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,39 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 #0,0,2 Current State: 39:[73, 56], Operations: ['92-31=61', '61-5=56'] Exploring Operation: 73-56=17, Resulting Numbers: [17] 17,39 unequal: No Solution Exploring Operation: 73+56=129, Resulting Numbers: [129] 129,39 unequal: No Solution Exploring Operation: 73*56=4088, Resulting Numbers: [4088] 4088,39 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 #0,0,4 Current State: 39:[61, 68], Operations: ['92-31=61', '73-5=68'] Exploring Operation: 61+68=129, Resulting Numbers: [129] 129,39 unequal: No Solution Exploring Operation: 61*68=4148, Resulting Numbers: [4148] 4148,39 unequal: No Solution Exploring Operation: 68-61=7, Resulting Numbers: [7] 7,39 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 #0,0,1 Current State: 39:[61, 78], Operations: ['92-31=61', '73+5=78'] Exploring Operation: 61+78=139, Resulting Numbers: [139] 139,39 unequal: No Solution Exploring Operation: 78-61=17, Resulting Numbers: [17] 17,39 unequal: No Solution Exploring Operation: 61*78=4758, Resulting Numbers: [4758] 4758,39 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 #0,0,3 Current State: 39:[73, 66], Operations: ['92-31=61', '5+61=66'] Exploring Operation: 73*66=4818, Resulting Numbers: [4818] 4818,39 unequal: No Solution Exploring Operation: 73+66=139, Resulting Numbers: [139] 139,39 unequal: No Solution Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,39 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: 39:[31, 92, 68], Operations: ['73-5=68'] Exploring Operation: 31+68=99, Resulting Numbers: [92, 99] Generated Node #0,1,0: 39:[92, 99] Operation: 31+68=99 Exploring Operation: 31+92=123, Resulting Numbers: [68, 123] Generated Node #0,1,1: 39:[68, 123] Operation: 31+92=123 Exploring Operation: 92-31=61, Resulting Numbers: [68, 61] Generated Node #0,1,2: 39:[68, 61] Operation: 92-31=61 Exploring Operation: 68-31=37, Resulting Numbers: [92, 37] Generated Node #0,1,3: 39:[92, 37] Operation: 68-31=37 Exploring Operation: 92-68=24, Resulting Numbers: [31, 24] Generated Node #0,1,4: 39:[31, 24] Operation: 92-68=24 Moving to Node #0,2 Current State: 39:[73, 92, 36], Operations: ['31+5=36'] Exploring Operation: 73-36=37, Resulting Numbers: [92, 37] Generated Node #0,2,0: 39:[92, 37] Operation: 73-36=37 Exploring Operation: 92+36=128, Resulting Numbers: [73, 128] Generated Node #0,2,1: 39:[73, 128] Operation: 92+36=128 Exploring Operation: 92-36=56, Resulting Numbers: [73, 56] Generated Node #0,2,2: 39:[73, 56] Operation: 92-36=56 Exploring Operation: 73+36=109, Resulting Numbers: [92, 109] Generated Node #0,2,3: 39:[92, 109] Operation: 73+36=109 Exploring Operation: 92-73=19, Resulting Numbers: [36, 19] Generated Node #0,2,4: 39:[36, 19] Operation: 92-73=19 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 39:[36, 19], Operations: ['31+5=36', '92-73=19'] Exploring Operation: 36+19=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,39 unequal: No Solution Exploring Operation: 36*19=684, Resulting Numbers: [684] 684,39 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 #0,2,2 Current State: 39:[73, 56], Operations: ['31+5=36', '92-36=56'] Exploring Operation: 73*56=4088, Resulting Numbers: [4088] 4088,39 unequal: No Solution Exploring Operation: 73-56=17, Resulting Numbers: [17] 17,39 unequal: No Solution Exploring Operation: 73+56=129, Resulting Numbers: [129] 129,39 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 #0,2,0 Current State: 39:[92, 37], Operations: ['31+5=36', '73-36=37'] Exploring Operation: 92*37=3404, Resulting Numbers: [3404] 3404,39 unequal: No Solution Exploring Operation: 92-37=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 92+37=129, Resulting Numbers: [129] 129,39 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 #0,2,1 Current State: 39:[73, 128], Operations: ['31+5=36', '92+36=128'] Exploring Operation: 128-73=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 73*128=9344, Resulting Numbers: [9344] 9344,39 unequal: No Solution Exploring Operation: 73+128=201, Resulting Numbers: [201] 201,39 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 #0,2,3 Current State: 39:[92, 109], Operations: ['31+5=36', '73+36=109'] Exploring Operation: 92*109=10028, Resulting Numbers: [10028] 10028,39 unequal: No Solution Exploring Operation: 109-92=17, Resulting Numbers: [17] 17,39 unequal: No Solution Exploring Operation: 92+109=201, Resulting Numbers: [201] 201,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,4 Current State: 39:[5, 12], Operations: ['92-73=19', '31-19=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,39 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,39 unequal: No Solution Moving to Node #0,3,2 Current State: 39:[31, 14], Operations: ['92-73=19', '19-5=14'] Exploring Operation: 31*14=434, Resulting Numbers: [434] 434,39 unequal: No Solution Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,39 unequal: No Solution Exploring Operation: 31+14=45, Resulting Numbers: [45] 45,39 unequal: No Solution Moving to Node #0,3,1 Current State: 39:[19, 36], Operations: ['92-73=19', '31+5=36'] Exploring Operation: 19+36=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 19*36=684, Resulting Numbers: [684] 684,39 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,39 unequal: No Solution Moving to Node #0,3,3 Current State: 39:[5, 50], Operations: ['92-73=19', '31+19=50'] Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,39 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,39 unequal: No Solution Exploring Operation: 5*50=250, Resulting Numbers: [250] 250,39 unequal: No Solution Moving to Node #0,1,4 Current State: 39:[31, 24], Operations: ['73-5=68', '92-68=24'] Exploring Operation: 31+24=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 31*24=744, Resulting Numbers: [744] 744,39 unequal: No Solution Exploring Operation: 31-24=7, Resulting Numbers: [7] 7,39 unequal: No Solution Moving to Node #0,3,0 Current State: 39:[19, 26], Operations: ['92-73=19', '31-5=26'] Exploring Operation: 19+26=45, Resulting Numbers: [45] 45,39 unequal: No Solution Exploring Operation: 19*26=494, Resulting Numbers: [494] 494,39 unequal: No Solution Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[68, 61], Operations: ['73-5=68', '92-31=61'] Exploring Operation: 68-61=7, Resulting Numbers: [7] 7,39 unequal: No Solution Exploring Operation: 68*61=4148, Resulting Numbers: [4148] 4148,39 unequal: No Solution Exploring Operation: 68+61=129, Resulting Numbers: [129] 129,39 unequal: No Solution Moving to Node #0,1,3 Current State: 39:[92, 37], Operations: ['73-5=68', '68-31=37'] Exploring Operation: 92-37=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 92+37=129, Resulting Numbers: [129] 129,39 unequal: No Solution Exploring Operation: 92*37=3404, Resulting Numbers: [3404] 3404,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[68, 123], Operations: ['73-5=68', '31+92=123'] Exploring Operation: 68+123=191, Resulting Numbers: [191] 191,39 unequal: No Solution Exploring Operation: 123-68=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 68*123=8364, Resulting Numbers: [8364] 8364,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[92, 99], Operations: ['73-5=68', '31+68=99'] Exploring Operation: 99-92=7, Resulting Numbers: [7] 7,39 unequal: No Solution Exploring Operation: 92*99=9108, Resulting Numbers: [9108] 9108,39 unequal: No Solution Exploring Operation: 92+99=191, Resulting Numbers: [191] 191,39 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 8, 84, 60, 17 ]
21
[ "8+60=68", "84*17=1428", "1428/68=21" ]
Current State: 21:[8, 84, 60, 17], Operations: [] Exploring Operation: 8+60=68, Resulting Numbers: [84, 17, 68] Generated Node #2: [84, 17, 68] from Operation: 8+60=68 Current State: 21:[84, 17, 68], Operations: ['8+60=68'] Exploring Operation: 84*17=1428, Resulting Numbers: [68, 1428] Generated Node #3: [68, 1428] from Operation: 84*17=1428 Current State: 21:[68, 1428], Operations: ['8+60=68', '84*17=1428'] Exploring Operation: 1428/68=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[8, 84, 60, 17], Operations: [] Exploring Operation: 84-60=24, Resulting Numbers: [8, 17, 24] Generated Node #0,0: 21:[8, 17, 24] Operation: 84-60=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[8, 17, 24], Operations: ['84-60=24'] Exploring Operation: 24-17=7, Resulting Numbers: [8, 7] Generated Node #0,0,0: 21:[8, 7] Operation: 24-17=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[8, 7], Operations: ['84-60=24', '24-17=7'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,21 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_1
sum_heuristic
[ 97, 22, 59, 92 ]
32
[ "97+22=119", "59+92=151", "151-119=32" ]
Current State: 32:[97, 22, 59, 92], Operations: [] Exploring Operation: 97+22=119, Resulting Numbers: [59, 92, 119] Generated Node #2: [59, 92, 119] from Operation: 97+22=119 Current State: 32:[59, 92, 119], Operations: ['97+22=119'] Exploring Operation: 59+92=151, Resulting Numbers: [119, 151] Generated Node #3: [119, 151] from Operation: 59+92=151 Current State: 32:[119, 151], Operations: ['97+22=119', '59+92=151'] Exploring Operation: 151-119=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[97, 22, 59, 92], Operations: [] Exploring Operation: 97-92=5, Resulting Numbers: [22, 59, 5] Generated Node #0,0: 32:[22, 59, 5] Operation: 97-92=5 Exploring Operation: 97-59=38, Resulting Numbers: [22, 92, 38] Generated Node #0,1: 32:[22, 92, 38] Operation: 97-59=38 Moving to Node #0,0 Current State: 32:[22, 59, 5], Operations: ['97-92=5'] Exploring Operation: 59-22=37, Resulting Numbers: [5, 37] Generated Node #0,0,0: 32:[5, 37] Operation: 59-22=37 Exploring Operation: 22-5=17, Resulting Numbers: [59, 17] Generated Node #0,0,1: 32:[59, 17] Operation: 22-5=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[5, 37], Operations: ['97-92=5', '59-22=37'] Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,32 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[97, 22, 59, 92], Operations: [] Exploring Operation: 97-92=5, Resulting Numbers: [22, 59, 5] Generated Node #0,0: 32:[22, 59, 5] Operation: 97-92=5 Moving to Node #0,0 Current State: 32:[22, 59, 5], Operations: ['97-92=5'] Exploring Operation: 59-22=37, Resulting Numbers: [5, 37] Generated Node #0,0,0: 32:[5, 37] Operation: 59-22=37 Moving to Node #0,0,0 Current State: 32:[5, 37], Operations: ['97-92=5', '59-22=37'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 48, 45, 45, 15 ]
33
[ "48+45=93", "45+15=60", "93-60=33" ]
Current State: 33:[48, 45, 45, 15], Operations: [] Exploring Operation: 48+45=93, Resulting Numbers: [15, 93] Generated Node #2: [15, 93] from Operation: 48+45=93 Current State: 33:[15, 93], Operations: ['48+45=93'] Exploring Operation: 45+15=60, Resulting Numbers: [93, 60] Generated Node #3: [93, 60] from Operation: 45+15=60 Current State: 33:[93, 60], Operations: ['48+45=93', '45+15=60'] Exploring Operation: 93-60=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[48, 45, 45, 15], Operations: [] Exploring Operation: 45/45=1, Resulting Numbers: [48, 15, 1] Generated Node #0,0: 33:[48, 15, 1] Operation: 45/45=1 Exploring Operation: 48-45=3, Resulting Numbers: [45, 15, 3] Generated Node #0,1: 33:[45, 15, 3] Operation: 48-45=3 Exploring Operation: 48-45=3, Resulting Numbers: [45, 15, 3] Generated Node #0,2: 33:[45, 15, 3] Operation: 48-45=3 Exploring Operation: 45-45=0, Resulting Numbers: [48, 15, 0] Generated Node #0,3: 33:[48, 15, 0] Operation: 45-45=0 Moving to Node #0,1 Current State: 33:[45, 15, 3], Operations: ['48-45=3'] Exploring Operation: 45/3=15, Resulting Numbers: [15, 15] Generated Node #0,1,0: 33:[15, 15] Operation: 45/3=15 Exploring Operation: 45/15=3, Resulting Numbers: [3, 3] Generated Node #0,1,1: 33:[3, 3] Operation: 45/15=3 Exploring Operation: 45-3=42, Resulting Numbers: [15, 42] Generated Node #0,1,2: 33:[15, 42] Operation: 45-3=42 Exploring Operation: 45-15=30, Resulting Numbers: [3, 30] Generated Node #0,1,3: 33:[3, 30] Operation: 45-15=30 Moving to Node #0,2 Current State: 33:[45, 15, 3], Operations: ['48-45=3'] Exploring Operation: 45-3=42, Resulting Numbers: [15, 42] Generated Node #0,2,0: 33:[15, 42] Operation: 45-3=42 Exploring Operation: 45/15=3, Resulting Numbers: [3, 3] Generated Node #0,2,1: 33:[3, 3] Operation: 45/15=3 Exploring Operation: 45-15=30, Resulting Numbers: [3, 30] Generated Node #0,2,2: 33:[3, 30] Operation: 45-15=30 Exploring Operation: 45/3=15, Resulting Numbers: [15, 15] Generated Node #0,2,3: 33:[15, 15] Operation: 45/3=15 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 33:[3, 3], Operations: ['48-45=3', '45/15=3'] Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,33 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 #0,2,2 Current State: 33:[3, 30], Operations: ['48-45=3', '45-15=30'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 3*30=90, Resulting Numbers: [90] 90,33 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[48, 45, 45, 15], Operations: [] Exploring Operation: 48-45=3, Resulting Numbers: [45, 15, 3] Generated Node #0,2: 33:[45, 15, 3] Operation: 48-45=3 Moving to Node #0,2 Current State: 33:[45, 15, 3], Operations: ['48-45=3'] Exploring Operation: 45-15=30, Resulting Numbers: [3, 30] Generated Node #0,2,2: 33:[3, 30] Operation: 45-15=30 Moving to Node #0,2,2 Current State: 33:[3, 30], Operations: ['48-45=3', '45-15=30'] Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 13, 47, 39, 2 ]
23
[ "13+47=60", "39-2=37", "60-37=23" ]
Current State: 23:[13, 47, 39, 2], Operations: [] Exploring Operation: 13+47=60, Resulting Numbers: [39, 2, 60] Generated Node #2: [39, 2, 60] from Operation: 13+47=60 Current State: 23:[39, 2, 60], Operations: ['13+47=60'] Exploring Operation: 39-2=37, Resulting Numbers: [60, 37] Generated Node #3: [60, 37] from Operation: 39-2=37 Current State: 23:[60, 37], Operations: ['13+47=60', '39-2=37'] Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[13, 47, 39, 2], Operations: [] Exploring Operation: 13*2=26, Resulting Numbers: [47, 39, 26] Generated Node #0,0: 23:[47, 39, 26] Operation: 13*2=26 Exploring Operation: 47-39=8, Resulting Numbers: [13, 2, 8] Generated Node #0,1: 23:[13, 2, 8] Operation: 47-39=8 Moving to Node #0,0 Current State: 23:[47, 39, 26], Operations: ['13*2=26'] Exploring Operation: 47-39=8, Resulting Numbers: [26, 8] Generated Node #0,0,0: 23:[26, 8] Operation: 47-39=8 Exploring Operation: 47-26=21, Resulting Numbers: [39, 21] Generated Node #0,0,1: 23:[39, 21] Operation: 47-26=21 Moving to Node #0,1 Current State: 23:[13, 2, 8], Operations: ['47-39=8'] Exploring Operation: 2*8=16, Resulting Numbers: [13, 16] Generated Node #0,1,0: 23:[13, 16] Operation: 2*8=16 Exploring Operation: 13*2=26, Resulting Numbers: [8, 26] Generated Node #0,1,1: 23:[8, 26] Operation: 13*2=26 Moving to Node #0,1,0 Current State: 23:[13, 16], Operations: ['47-39=8', '2*8=16'] Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 13+16=29, Resulting Numbers: [29] 29,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[26, 8], Operations: ['13*2=26', '47-39=8'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[39, 21], Operations: ['13*2=26', '47-26=21'] Exploring Operation: 39+21=60, Resulting Numbers: [60] 60,23 unequal: No Solution Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[8, 26], Operations: ['47-39=8', '13*2=26'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,23 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 20, 37, 1, 6 ]
63
[ "20+37=57", "1*6=6", "57+6=63" ]
Current State: 63:[20, 37, 1, 6], Operations: [] Exploring Operation: 20+37=57, Resulting Numbers: [1, 6, 57] Generated Node #2: [1, 6, 57] from Operation: 20+37=57 Current State: 63:[1, 6, 57], Operations: ['20+37=57'] Exploring Operation: 1*6=6, Resulting Numbers: [57, 6] Generated Node #3: [57, 6] from Operation: 1*6=6 Current State: 63:[57, 6], Operations: ['20+37=57', '1*6=6'] Exploring Operation: 57+6=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[20, 37, 1, 6], Operations: [] Exploring Operation: 37-20=17, Resulting Numbers: [1, 6, 17] Generated Node #0,0: 63:[1, 6, 17] Operation: 37-20=17 Exploring Operation: 20+37=57, Resulting Numbers: [1, 6, 57] Generated Node #0,1: 63:[1, 6, 57] Operation: 20+37=57 Moving to Node #0,0 Current State: 63:[1, 6, 17], Operations: ['37-20=17'] Exploring Operation: 1+6=7, Resulting Numbers: [17, 7] Generated Node #0,0,0: 63:[17, 7] Operation: 1+6=7 Exploring Operation: 1+17=18, Resulting Numbers: [6, 18] Generated Node #0,0,1: 63:[6, 18] Operation: 1+17=18 Moving to Node #0,1 Current State: 63:[1, 6, 57], Operations: ['20+37=57'] Exploring Operation: 1+6=7, Resulting Numbers: [57, 7] Generated Node #0,1,0: 63:[57, 7] Operation: 1+6=7 Exploring Operation: 6+57=63, Resulting Numbers: [1, 63] Generated Node #0,1,1: 63:[1, 63] Operation: 6+57=63 Moving to Node #0,1,1 Current State: 63:[1, 63], Operations: ['20+37=57', '6+57=63'] Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[20, 37, 1, 6], Operations: [] Exploring Operation: 20+37=57, Resulting Numbers: [1, 6, 57] Generated Node #0,1: 63:[1, 6, 57] Operation: 20+37=57 Moving to Node #0,1 Current State: 63:[1, 6, 57], Operations: ['20+37=57'] Exploring Operation: 6+57=63, Resulting Numbers: [1, 63] Generated Node #0,1,1: 63:[1, 63] Operation: 6+57=63 Moving to Node #0,1,1 Current State: 63:[1, 63], Operations: ['20+37=57', '6+57=63'] Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 12, 96, 18, 48 ]
38
[ "96/12=8", "48-18=30", "8+30=38" ]
Current State: 38:[12, 96, 18, 48], Operations: [] Exploring Operation: 96/12=8, Resulting Numbers: [18, 48, 8] Generated Node #2: [18, 48, 8] from Operation: 96/12=8 Current State: 38:[18, 48, 8], Operations: ['96/12=8'] Exploring Operation: 48-18=30, Resulting Numbers: [8, 30] Generated Node #3: [8, 30] from Operation: 48-18=30 Current State: 38:[8, 30], Operations: ['96/12=8', '48-18=30'] Exploring Operation: 8+30=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[12, 96, 18, 48], Operations: [] Exploring Operation: 96-48=48, Resulting Numbers: [12, 18, 48] Generated Node #0,0: 38:[12, 18, 48] Operation: 96-48=48 Exploring Operation: 96/12=8, Resulting Numbers: [18, 48, 8] Generated Node #0,1: 38:[18, 48, 8] Operation: 96/12=8 Exploring Operation: 96/48=2, Resulting Numbers: [12, 18, 2] Generated Node #0,2: 38:[12, 18, 2] Operation: 96/48=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[12, 18, 2], Operations: ['96/48=2'] Exploring Operation: 18-12=6, Resulting Numbers: [2, 6] Generated Node #0,2,0: 38:[2, 6] Operation: 18-12=6 Exploring Operation: 12+2=14, Resulting Numbers: [18, 14] Generated Node #0,2,1: 38:[18, 14] Operation: 12+2=14 Exploring Operation: 12/2=6, Resulting Numbers: [18, 6] Generated Node #0,2,2: 38:[18, 6] Operation: 12/2=6 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 38:[2, 6], Operations: ['96/48=2', '18-12=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,38 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 38:[18, 6], Operations: ['96/48=2', '12/2=6'] Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,38 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 38:[18, 14], Operations: ['96/48=2', '12+2=14'] Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 18*14=252, Resulting Numbers: [252] 252,38 unequal: No Solution Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[18, 48, 8], Operations: ['96/12=8'] Exploring Operation: 48-18=30, Resulting Numbers: [8, 30] Generated Node #0,1,0: 38:[8, 30] Operation: 48-18=30 Exploring Operation: 48-8=40, Resulting Numbers: [18, 40] Generated Node #0,1,1: 38:[18, 40] Operation: 48-8=40 Exploring Operation: 48/8=6, Resulting Numbers: [18, 6] Generated Node #0,1,2: 38:[18, 6] Operation: 48/8=6 Moving to Node #0,1,1 Current State: 38:[18, 40], Operations: ['96/12=8', '48-8=40'] Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,38 unequal: No Solution Exploring Operation: 18+40=58, Resulting Numbers: [58] 58,38 unequal: No Solution Exploring Operation: 18*40=720, Resulting Numbers: [720] 720,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[18, 6], Operations: ['96/12=8', '48/8=6'] Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,38 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[8, 30], Operations: ['96/12=8', '48-18=30'] Exploring Operation: 8*30=240, Resulting Numbers: [240] 240,38 unequal: No Solution Exploring Operation: 8+30=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[12, 96, 18, 48], Operations: [] Exploring Operation: 96/12=8, Resulting Numbers: [18, 48, 8] Generated Node #0,1: 38:[18, 48, 8] Operation: 96/12=8 Moving to Node #0,1 Current State: 38:[18, 48, 8], Operations: ['96/12=8'] Exploring Operation: 48-18=30, Resulting Numbers: [8, 30] Generated Node #0,1,0: 38:[8, 30] Operation: 48-18=30 Moving to Node #0,1,0 Current State: 38:[8, 30], Operations: ['96/12=8', '48-18=30'] Exploring Operation: 8+30=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_3
mult_heuristic
[ 56, 17, 84, 28 ]
18
[ "84-56=28", "28/28=1", "17+1=18" ]
Current State: 18:[56, 17, 84, 28], Operations: [] Exploring Operation: 84-56=28, Resulting Numbers: [17, 28, 28] Generated Node #2: [17, 28, 28] from Operation: 84-56=28 Current State: 18:[17, 28, 28], Operations: ['84-56=28'] Exploring Operation: 28/28=1, Resulting Numbers: [17, 1] Generated Node #3: [17, 1] from Operation: 28/28=1 Current State: 18:[17, 1], Operations: ['84-56=28', '28/28=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[56, 17, 84, 28], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [56, 17, 3] Generated Node #0,0: 18:[56, 17, 3] Operation: 84/28=3 Exploring Operation: 84-56=28, Resulting Numbers: [17, 28, 28] Generated Node #0,1: 18:[17, 28, 28] Operation: 84-56=28 Moving to Node #0,1 Current State: 18:[17, 28, 28], Operations: ['84-56=28'] Exploring Operation: 28/28=1, Resulting Numbers: [17, 1] Generated Node #0,1,0: 18:[17, 1] Operation: 28/28=1 Exploring Operation: 28-28=0, Resulting Numbers: [17, 0] Generated Node #0,1,1: 18:[17, 0] Operation: 28-28=0 Moving to Node #0,0 Current State: 18:[56, 17, 3], Operations: ['84/28=3'] Exploring Operation: 56-3=53, Resulting Numbers: [17, 53] Generated Node #0,0,0: 18:[17, 53] Operation: 56-3=53 Exploring Operation: 56-17=39, Resulting Numbers: [3, 39] Generated Node #0,0,1: 18:[3, 39] Operation: 56-17=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[3, 39], Operations: ['84/28=3', '56-17=39'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,18 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[17, 53], Operations: ['84/28=3', '56-3=53'] Exploring Operation: 17+53=70, Resulting Numbers: [70] 70,18 unequal: No Solution Exploring Operation: 53-17=36, Resulting Numbers: [36] 36,18 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: 18:[17, 1], Operations: ['84-56=28', '28/28=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[56, 17, 84, 28], Operations: [] Exploring Operation: 84-56=28, Resulting Numbers: [17, 28, 28] Generated Node #0,1: 18:[17, 28, 28] Operation: 84-56=28 Moving to Node #0,1 Current State: 18:[17, 28, 28], Operations: ['84-56=28'] Exploring Operation: 28/28=1, Resulting Numbers: [17, 1] Generated Node #0,1,0: 18:[17, 1] Operation: 28/28=1 Moving to Node #0,1,0 Current State: 18:[17, 1], Operations: ['84-56=28', '28/28=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 3, 80, 58, 2 ]
96
[ "80-3=77", "2*77=154", "154-58=96" ]
Current State: 96:[3, 80, 58, 2], Operations: [] Exploring Operation: 80-3=77, Resulting Numbers: [58, 2, 77] Generated Node #2: [58, 2, 77] from Operation: 80-3=77 Current State: 96:[58, 2, 77], Operations: ['80-3=77'] Exploring Operation: 2*77=154, Resulting Numbers: [58, 154] Generated Node #3: [58, 154] from Operation: 2*77=154 Current State: 96:[58, 154], Operations: ['80-3=77', '2*77=154'] Exploring Operation: 154-58=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[3, 80, 58, 2], Operations: [] Exploring Operation: 58-3=55, Resulting Numbers: [80, 2, 55] Generated Node #0,0: 96:[80, 2, 55] Operation: 58-3=55 Exploring Operation: 80/2=40, Resulting Numbers: [3, 58, 40] Generated Node #0,1: 96:[3, 58, 40] Operation: 80/2=40 Exploring Operation: 58/2=29, Resulting Numbers: [3, 80, 29] Generated Node #0,2: 96:[3, 80, 29] Operation: 58/2=29 Exploring Operation: 3+80=83, Resulting Numbers: [58, 2, 83] Generated Node #0,3: 96:[58, 2, 83] Operation: 3+80=83 Exploring Operation: 80-58=22, Resulting Numbers: [3, 2, 22] Generated Node #0,4: 96:[3, 2, 22] Operation: 80-58=22 Start Sub Search at level 1: Moving to Node #0,4 Current State: 96:[3, 2, 22], Operations: ['80-58=22'] Exploring Operation: 3*2=6, Resulting Numbers: [22, 6] Generated Node #0,4,0: 96:[22, 6] Operation: 3*2=6 Exploring Operation: 3+22=25, Resulting Numbers: [2, 25] Generated Node #0,4,1: 96:[2, 25] Operation: 3+22=25 Exploring Operation: 22/2=11, Resulting Numbers: [3, 11] Generated Node #0,4,2: 96:[3, 11] Operation: 22/2=11 Exploring Operation: 3+2=5, Resulting Numbers: [22, 5] Generated Node #0,4,3: 96:[22, 5] Operation: 3+2=5 Exploring Operation: 2+22=24, Resulting Numbers: [3, 24] Generated Node #0,4,4: 96:[3, 24] Operation: 2+22=24 Moving to Node #0,4,4 Current State: 96:[3, 24], Operations: ['80-58=22', '2+22=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,96 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,96 unequal: No Solution Moving to Node #0,4,2 Current State: 96:[3, 11], Operations: ['80-58=22', '22/2=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,96 unequal: No Solution Moving to Node #0,4,1 Current State: 96:[2, 25], Operations: ['80-58=22', '3+22=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,96 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,96 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,96 unequal: No Solution Moving to Node #0,4,0 Current State: 96:[22, 6], Operations: ['80-58=22', '3*2=6'] Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,96 unequal: No Solution Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,96 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,96 unequal: No Solution Moving to Node #0,4,3 Current State: 96:[22, 5], Operations: ['80-58=22', '3+2=5'] Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 22*5=110, Resulting Numbers: [110] 110,96 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,96 unequal: No Solution No 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: 96:[3, 58, 40], Operations: ['80/2=40'] Exploring Operation: 40-3=37, Resulting Numbers: [58, 37] Generated Node #0,1,0: 96:[58, 37] Operation: 40-3=37 Exploring Operation: 58-3=55, Resulting Numbers: [40, 55] Generated Node #0,1,1: 96:[40, 55] Operation: 58-3=55 Exploring Operation: 58+40=98, Resulting Numbers: [3, 98] Generated Node #0,1,2: 96:[3, 98] Operation: 58+40=98 Exploring Operation: 3+40=43, Resulting Numbers: [58, 43] Generated Node #0,1,3: 96:[58, 43] Operation: 3+40=43 Exploring Operation: 58-40=18, Resulting Numbers: [3, 18] Generated Node #0,1,4: 96:[3, 18] Operation: 58-40=18 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 96:[3, 98], Operations: ['80/2=40', '58+40=98'] Exploring Operation: 3*98=294, Resulting Numbers: [294] 294,96 unequal: No Solution Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,96 unequal: No Solution Exploring Operation: 3+98=101, Resulting Numbers: [101] 101,96 unequal: No Solution No 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: 96:[3, 18], Operations: ['80/2=40', '58-40=18'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,96 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,96 unequal: No Solution No 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: 96:[58, 37], Operations: ['80/2=40', '40-3=37'] Exploring Operation: 58*37=2146, Resulting Numbers: [2146] 2146,96 unequal: No Solution Exploring Operation: 58+37=95, Resulting Numbers: [95] 95,96 unequal: No Solution Exploring Operation: 58-37=21, Resulting Numbers: [21] 21,96 unequal: No Solution No 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: 96:[40, 55], Operations: ['80/2=40', '58-3=55'] Exploring Operation: 40*55=2200, Resulting Numbers: [2200] 2200,96 unequal: No Solution Exploring Operation: 40+55=95, Resulting Numbers: [95] 95,96 unequal: No Solution Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,96 unequal: No Solution No 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: 96:[58, 43], Operations: ['80/2=40', '3+40=43'] Exploring Operation: 58+43=101, Resulting Numbers: [101] 101,96 unequal: No Solution Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,96 unequal: No Solution Exploring Operation: 58*43=2494, Resulting Numbers: [2494] 2494,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[3, 80, 29], Operations: ['58/2=29'] Exploring Operation: 3+29=32, Resulting Numbers: [80, 32] Generated Node #0,2,0: 96:[80, 32] Operation: 3+29=32 Exploring Operation: 3+80=83, Resulting Numbers: [29, 83] Generated Node #0,2,1: 96:[29, 83] Operation: 3+80=83 Exploring Operation: 29-3=26, Resulting Numbers: [80, 26] Generated Node #0,2,2: 96:[80, 26] Operation: 29-3=26 Exploring Operation: 80+29=109, Resulting Numbers: [3, 109] Generated Node #0,2,3: 96:[3, 109] Operation: 80+29=109 Exploring Operation: 80-29=51, Resulting Numbers: [3, 51] Generated Node #0,2,4: 96:[3, 51] Operation: 80-29=51 Moving to Node #0,2,4 Current State: 96:[3, 51], Operations: ['58/2=29', '80-29=51'] Exploring Operation: 3*51=153, Resulting Numbers: [153] 153,96 unequal: No Solution Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,96 unequal: No Solution Exploring Operation: 3+51=54, Resulting Numbers: [54] 54,96 unequal: No Solution Moving to Node #0,2,3 Current State: 96:[3, 109], Operations: ['58/2=29', '80+29=109'] Exploring Operation: 109-3=106, Resulting Numbers: [106] 106,96 unequal: No Solution Exploring Operation: 3+109=112, Resulting Numbers: [112] 112,96 unequal: No Solution Exploring Operation: 3*109=327, Resulting Numbers: [327] 327,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[80, 32], Operations: ['58/2=29', '3+29=32'] Exploring Operation: 80*32=2560, Resulting Numbers: [2560] 2560,96 unequal: No Solution Exploring Operation: 80+32=112, Resulting Numbers: [112] 112,96 unequal: No Solution Exploring Operation: 80-32=48, Resulting Numbers: [48] 48,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[29, 83], Operations: ['58/2=29', '3+80=83'] Exploring Operation: 29*83=2407, Resulting Numbers: [2407] 2407,96 unequal: No Solution Exploring Operation: 83-29=54, Resulting Numbers: [54] 54,96 unequal: No Solution Exploring Operation: 29+83=112, Resulting Numbers: [112] 112,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[80, 26], Operations: ['58/2=29', '29-3=26'] Exploring Operation: 80+26=106, Resulting Numbers: [106] 106,96 unequal: No Solution Exploring Operation: 80-26=54, Resulting Numbers: [54] 54,96 unequal: No Solution Exploring Operation: 80*26=2080, Resulting Numbers: [2080] 2080,96 unequal: No Solution No 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: 96:[80, 2, 55], Operations: ['58-3=55'] Exploring Operation: 80-2=78, Resulting Numbers: [55, 78] Generated Node #0,0,0: 96:[55, 78] Operation: 80-2=78 Exploring Operation: 80/2=40, Resulting Numbers: [55, 40] Generated Node #0,0,1: 96:[55, 40] Operation: 80/2=40 Exploring Operation: 55-2=53, Resulting Numbers: [80, 53] Generated Node #0,0,2: 96:[80, 53] Operation: 55-2=53 Exploring Operation: 80-55=25, Resulting Numbers: [2, 25] Generated Node #0,0,3: 96:[2, 25] Operation: 80-55=25 Exploring Operation: 80+2=82, Resulting Numbers: [55, 82] Generated Node #0,0,4: 96:[55, 82] Operation: 80+2=82 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 96:[2, 25], Operations: ['58-3=55', '80-55=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,96 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,96 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,96 unequal: No Solution No 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: 96:[55, 40], Operations: ['58-3=55', '80/2=40'] Exploring Operation: 55*40=2200, Resulting Numbers: [2200] 2200,96 unequal: No Solution Exploring Operation: 55+40=95, Resulting Numbers: [95] 95,96 unequal: No Solution Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,96 unequal: No Solution No 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: 96:[80, 53], Operations: ['58-3=55', '55-2=53'] Exploring Operation: 80-53=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 80+53=133, Resulting Numbers: [133] 133,96 unequal: No Solution Exploring Operation: 80*53=4240, Resulting Numbers: [4240] 4240,96 unequal: No Solution No 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: 96:[55, 82], Operations: ['58-3=55', '80+2=82'] Exploring Operation: 55*82=4510, Resulting Numbers: [4510] 4510,96 unequal: No Solution Exploring Operation: 82-55=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 55+82=137, Resulting Numbers: [137] 137,96 unequal: No Solution No 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: 96:[55, 78], Operations: ['58-3=55', '80-2=78'] Exploring Operation: 55*78=4290, Resulting Numbers: [4290] 4290,96 unequal: No Solution Exploring Operation: 55+78=133, Resulting Numbers: [133] 133,96 unequal: No Solution Exploring Operation: 78-55=23, Resulting Numbers: [23] 23,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 96:[58, 2, 83], Operations: ['3+80=83'] Exploring Operation: 58-2=56, Resulting Numbers: [83, 56] Generated Node #0,3,0: 96:[83, 56] Operation: 58-2=56 Exploring Operation: 58+2=60, Resulting Numbers: [83, 60] Generated Node #0,3,1: 96:[83, 60] Operation: 58+2=60 Exploring Operation: 58/2=29, Resulting Numbers: [83, 29] Generated Node #0,3,2: 96:[83, 29] Operation: 58/2=29 Exploring Operation: 83-58=25, Resulting Numbers: [2, 25] Generated Node #0,3,3: 96:[2, 25] Operation: 83-58=25 Exploring Operation: 2+83=85, Resulting Numbers: [58, 85] Generated Node #0,3,4: 96:[58, 85] Operation: 2+83=85 Moving to Node #0,3,3 Current State: 96:[2, 25], Operations: ['3+80=83', '83-58=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,96 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,96 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,96 unequal: No Solution Moving to Node #0,3,2 Current State: 96:[83, 29], Operations: ['3+80=83', '58/2=29'] Exploring Operation: 83-29=54, Resulting Numbers: [54] 54,96 unequal: No Solution Exploring Operation: 83+29=112, Resulting Numbers: [112] 112,96 unequal: No Solution Exploring Operation: 83*29=2407, Resulting Numbers: [2407] 2407,96 unequal: No Solution Moving to Node #0,3,0 Current State: 96:[83, 56], Operations: ['3+80=83', '58-2=56'] Exploring Operation: 83-56=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 83+56=139, Resulting Numbers: [139] 139,96 unequal: No Solution Exploring Operation: 83*56=4648, Resulting Numbers: [4648] 4648,96 unequal: No Solution Moving to Node #0,3,4 Current State: 96:[58, 85], Operations: ['3+80=83', '2+83=85'] Exploring Operation: 58+85=143, Resulting Numbers: [143] 143,96 unequal: No Solution Exploring Operation: 58*85=4930, Resulting Numbers: [4930] 4930,96 unequal: No Solution Exploring Operation: 85-58=27, Resulting Numbers: [27] 27,96 unequal: No Solution Moving to Node #0,3,1 Current State: 96:[83, 60], Operations: ['3+80=83', '58+2=60'] Exploring Operation: 83-60=23, Resulting Numbers: [23] 23,96 unequal: No Solution Exploring Operation: 83+60=143, Resulting Numbers: [143] 143,96 unequal: No Solution Exploring Operation: 83*60=4980, Resulting Numbers: [4980] 4980,96 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
[ 51, 74, 92, 81 ]
85
[ "74-51=23", "92/23=4", "81+4=85" ]
Current State: 85:[51, 74, 92, 81], Operations: [] Exploring Operation: 74-51=23, Resulting Numbers: [92, 81, 23] Generated Node #2: [92, 81, 23] from Operation: 74-51=23 Current State: 85:[92, 81, 23], Operations: ['74-51=23'] Exploring Operation: 92/23=4, Resulting Numbers: [81, 4] Generated Node #3: [81, 4] from Operation: 92/23=4 Current State: 85:[81, 4], Operations: ['74-51=23', '92/23=4'] Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[51, 74, 92, 81], Operations: [] Exploring Operation: 81-51=30, Resulting Numbers: [74, 92, 30] Generated Node #0,0: 85:[74, 92, 30] Operation: 81-51=30 Exploring Operation: 74-51=23, Resulting Numbers: [92, 81, 23] Generated Node #0,1: 85:[92, 81, 23] Operation: 74-51=23 Moving to Node #0,1 Current State: 85:[92, 81, 23], Operations: ['74-51=23'] Exploring Operation: 92/23=4, Resulting Numbers: [81, 4] Generated Node #0,1,0: 85:[81, 4] Operation: 92/23=4 Exploring Operation: 92-81=11, Resulting Numbers: [23, 11] Generated Node #0,1,1: 85:[23, 11] Operation: 92-81=11 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[81, 4], Operations: ['74-51=23', '92/23=4'] Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[51, 74, 92, 81], Operations: [] Exploring Operation: 74-51=23, Resulting Numbers: [92, 81, 23] Generated Node #0,1: 85:[92, 81, 23] Operation: 74-51=23 Moving to Node #0,1 Current State: 85:[92, 81, 23], Operations: ['74-51=23'] Exploring Operation: 92/23=4, Resulting Numbers: [81, 4] Generated Node #0,1,0: 85:[81, 4] Operation: 92/23=4 Moving to Node #0,1,0 Current State: 85:[81, 4], Operations: ['74-51=23', '92/23=4'] Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 19, 11, 96, 9 ]
16
[ "19+96=115", "11*9=99", "115-99=16" ]
Current State: 16:[19, 11, 96, 9], Operations: [] Exploring Operation: 19+96=115, Resulting Numbers: [11, 9, 115] Generated Node #2: [11, 9, 115] from Operation: 19+96=115 Current State: 16:[11, 9, 115], Operations: ['19+96=115'] Exploring Operation: 11*9=99, Resulting Numbers: [115, 99] Generated Node #3: [115, 99] from Operation: 11*9=99 Current State: 16:[115, 99], Operations: ['19+96=115', '11*9=99'] Exploring Operation: 115-99=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[19, 11, 96, 9], Operations: [] Exploring Operation: 96-11=85, Resulting Numbers: [19, 9, 85] Generated Node #0,0: 16:[19, 9, 85] Operation: 96-11=85 Exploring Operation: 96-19=77, Resulting Numbers: [11, 9, 77] Generated Node #0,1: 16:[11, 9, 77] Operation: 96-19=77 Exploring Operation: 96-9=87, Resulting Numbers: [19, 11, 87] Generated Node #0,2: 16:[19, 11, 87] Operation: 96-9=87 Moving to Node #0,1 Current State: 16:[11, 9, 77], Operations: ['96-19=77'] Exploring Operation: 77-9=68, Resulting Numbers: [11, 68] Generated Node #0,1,0: 16:[11, 68] Operation: 77-9=68 Exploring Operation: 77-11=66, Resulting Numbers: [9, 66] Generated Node #0,1,1: 16:[9, 66] Operation: 77-11=66 Exploring Operation: 77/11=7, Resulting Numbers: [9, 7] Generated Node #0,1,2: 16:[9, 7] Operation: 77/11=7 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[9, 7], Operations: ['96-19=77', '77/11=7'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[19, 11, 96, 9], Operations: [] Exploring Operation: 96-19=77, Resulting Numbers: [11, 9, 77] Generated Node #0,1: 16:[11, 9, 77] Operation: 96-19=77 Moving to Node #0,1 Current State: 16:[11, 9, 77], Operations: ['96-19=77'] Exploring Operation: 77/11=7, Resulting Numbers: [9, 7] Generated Node #0,1,2: 16:[9, 7] Operation: 77/11=7 Moving to Node #0,1,2 Current State: 16:[9, 7], Operations: ['96-19=77', '77/11=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 51, 50, 59, 22 ]
38
[ "51-50=1", "59-22=37", "1+37=38" ]
Current State: 38:[51, 50, 59, 22], Operations: [] Exploring Operation: 51-50=1, Resulting Numbers: [59, 22, 1] Generated Node #2: [59, 22, 1] from Operation: 51-50=1 Current State: 38:[59, 22, 1], Operations: ['51-50=1'] Exploring Operation: 59-22=37, Resulting Numbers: [1, 37] Generated Node #3: [1, 37] from Operation: 59-22=37 Current State: 38:[1, 37], Operations: ['51-50=1', '59-22=37'] Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[51, 50, 59, 22], Operations: [] Exploring Operation: 51-50=1, Resulting Numbers: [59, 22, 1] Generated Node #0,0: 38:[59, 22, 1] Operation: 51-50=1 Exploring Operation: 59-51=8, Resulting Numbers: [50, 22, 8] Generated Node #0,1: 38:[50, 22, 8] Operation: 59-51=8 Exploring Operation: 59-50=9, Resulting Numbers: [51, 22, 9] Generated Node #0,2: 38:[51, 22, 9] Operation: 59-50=9 Exploring Operation: 51-22=29, Resulting Numbers: [50, 59, 29] Generated Node #0,3: 38:[50, 59, 29] Operation: 51-22=29 Exploring Operation: 59-22=37, Resulting Numbers: [51, 50, 37] Generated Node #0,4: 38:[51, 50, 37] Operation: 59-22=37 Moving to Node #0,1 Current State: 38:[50, 22, 8], Operations: ['59-51=8'] Exploring Operation: 50-8=42, Resulting Numbers: [22, 42] Generated Node #0,1,0: 38:[22, 42] Operation: 50-8=42 Exploring Operation: 50-22=28, Resulting Numbers: [8, 28] Generated Node #0,1,1: 38:[8, 28] Operation: 50-22=28 Exploring Operation: 50+8=58, Resulting Numbers: [22, 58] Generated Node #0,1,2: 38:[22, 58] Operation: 50+8=58 Exploring Operation: 22+8=30, Resulting Numbers: [50, 30] Generated Node #0,1,3: 38:[50, 30] Operation: 22+8=30 Exploring Operation: 22-8=14, Resulting Numbers: [50, 14] Generated Node #0,1,4: 38:[50, 14] Operation: 22-8=14 Moving to Node #0,2 Current State: 38:[51, 22, 9], Operations: ['59-50=9'] Exploring Operation: 51-9=42, Resulting Numbers: [22, 42] Generated Node #0,2,0: 38:[22, 42] Operation: 51-9=42 Exploring Operation: 51+9=60, Resulting Numbers: [22, 60] Generated Node #0,2,1: 38:[22, 60] Operation: 51+9=60 Exploring Operation: 22-9=13, Resulting Numbers: [51, 13] Generated Node #0,2,2: 38:[51, 13] Operation: 22-9=13 Exploring Operation: 22+9=31, Resulting Numbers: [51, 31] Generated Node #0,2,3: 38:[51, 31] Operation: 22+9=31 Exploring Operation: 51-22=29, Resulting Numbers: [9, 29] Generated Node #0,2,4: 38:[9, 29] Operation: 51-22=29 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 38:[22, 42], Operations: ['59-50=9', '51-9=42'] Exploring Operation: 22*42=924, Resulting Numbers: [924] 924,38 unequal: No Solution Exploring Operation: 22+42=64, Resulting Numbers: [64] 64,38 unequal: No Solution Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,38 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:[9, 29], Operations: ['59-50=9', '51-22=29'] Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[51, 50, 59, 22], Operations: [] Exploring Operation: 59-50=9, Resulting Numbers: [51, 22, 9] Generated Node #0,2: 38:[51, 22, 9] Operation: 59-50=9 Moving to Node #0,2 Current State: 38:[51, 22, 9], Operations: ['59-50=9'] Exploring Operation: 51-22=29, Resulting Numbers: [9, 29] Generated Node #0,2,4: 38:[9, 29] Operation: 51-22=29 Moving to Node #0,2,4 Current State: 38:[9, 29], Operations: ['59-50=9', '51-22=29'] Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 50, 43, 81, 2 ]
26
[ "81-43=38", "2*38=76", "76-50=26" ]
Current State: 26:[50, 43, 81, 2], Operations: [] Exploring Operation: 81-43=38, Resulting Numbers: [50, 2, 38] Generated Node #2: [50, 2, 38] from Operation: 81-43=38 Current State: 26:[50, 2, 38], Operations: ['81-43=38'] Exploring Operation: 2*38=76, Resulting Numbers: [50, 76] Generated Node #3: [50, 76] from Operation: 2*38=76 Current State: 26:[50, 76], Operations: ['81-43=38', '2*38=76'] Exploring Operation: 76-50=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[50, 43, 81, 2], Operations: [] Exploring Operation: 50-43=7, Resulting Numbers: [81, 2, 7] Generated Node #0,0: 26:[81, 2, 7] Operation: 50-43=7 Exploring Operation: 50/2=25, Resulting Numbers: [43, 81, 25] Generated Node #0,1: 26:[43, 81, 25] Operation: 50/2=25 Exploring Operation: 81-50=31, Resulting Numbers: [43, 2, 31] Generated Node #0,2: 26:[43, 2, 31] Operation: 81-50=31 Exploring Operation: 81-43=38, Resulting Numbers: [50, 2, 38] Generated Node #0,3: 26:[50, 2, 38] Operation: 81-43=38 Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[43, 2, 31], Operations: ['81-50=31'] Exploring Operation: 43-31=12, Resulting Numbers: [2, 12] Generated Node #0,2,0: 26:[2, 12] Operation: 43-31=12 Exploring Operation: 43+2=45, Resulting Numbers: [31, 45] Generated Node #0,2,1: 26:[31, 45] Operation: 43+2=45 Exploring Operation: 43-2=41, Resulting Numbers: [31, 41] Generated Node #0,2,2: 26:[31, 41] Operation: 43-2=41 Exploring Operation: 31-2=29, Resulting Numbers: [43, 29] Generated Node #0,2,3: 26:[43, 29] Operation: 31-2=29 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 26:[2, 12], Operations: ['81-50=31', '43-31=12'] Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,26 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 26:[31, 41], Operations: ['81-50=31', '43-2=41'] Exploring Operation: 31*41=1271, Resulting Numbers: [1271] 1271,26 unequal: No Solution Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 31+41=72, Resulting Numbers: [72] 72,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 26:[43, 29], Operations: ['81-50=31', '31-2=29'] Exploring Operation: 43+29=72, Resulting Numbers: [72] 72,26 unequal: No Solution Exploring Operation: 43*29=1247, Resulting Numbers: [1247] 1247,26 unequal: No Solution Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 26:[31, 45], Operations: ['81-50=31', '43+2=45'] Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 31*45=1395, Resulting Numbers: [1395] 1395,26 unequal: No Solution Exploring Operation: 31+45=76, Resulting Numbers: [76] 76,26 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 #0,3 Current State: 26:[50, 2, 38], Operations: ['81-43=38'] Exploring Operation: 50-38=12, Resulting Numbers: [2, 12] Generated Node #0,3,0: 26:[2, 12] Operation: 50-38=12 Exploring Operation: 50-2=48, Resulting Numbers: [38, 48] Generated Node #0,3,1: 26:[38, 48] Operation: 50-2=48 Exploring Operation: 38/2=19, Resulting Numbers: [50, 19] Generated Node #0,3,2: 26:[50, 19] Operation: 38/2=19 Exploring Operation: 50/2=25, Resulting Numbers: [38, 25] Generated Node #0,3,3: 26:[38, 25] Operation: 50/2=25 Moving to Node #0,3,0 Current State: 26:[2, 12], Operations: ['81-43=38', '50-38=12'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,26 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,26 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,26 unequal: No Solution Moving to Node #0,3,3 Current State: 26:[38, 25], Operations: ['81-43=38', '50/2=25'] Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 38+25=63, Resulting Numbers: [63] 63,26 unequal: No Solution Exploring Operation: 38*25=950, Resulting Numbers: [950] 950,26 unequal: No Solution Moving to Node #0,3,2 Current State: 26:[50, 19], Operations: ['81-43=38', '38/2=19'] Exploring Operation: 50+19=69, Resulting Numbers: [69] 69,26 unequal: No Solution Exploring Operation: 50*19=950, Resulting Numbers: [950] 950,26 unequal: No Solution Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,26 unequal: No Solution Moving to Node #0,3,1 Current State: 26:[38, 48], Operations: ['81-43=38', '50-2=48'] Exploring Operation: 38*48=1824, Resulting Numbers: [1824] 1824,26 unequal: No Solution Exploring Operation: 38+48=86, Resulting Numbers: [86] 86,26 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,26 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 #0,0 Current State: 26:[81, 2, 7], Operations: ['50-43=7'] Exploring Operation: 81-7=74, Resulting Numbers: [2, 74] Generated Node #0,0,0: 26:[2, 74] Operation: 81-7=74 Exploring Operation: 81-2=79, Resulting Numbers: [7, 79] Generated Node #0,0,1: 26:[7, 79] Operation: 81-2=79 Exploring Operation: 2*7=14, Resulting Numbers: [81, 14] Generated Node #0,0,2: 26:[81, 14] Operation: 2*7=14 Exploring Operation: 7-2=5, Resulting Numbers: [81, 5] Generated Node #0,0,3: 26:[81, 5] Operation: 7-2=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[2, 74], Operations: ['50-43=7', '81-7=74'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,26 unequal: No Solution Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,26 unequal: No Solution Exploring Operation: 2*74=148, Resulting Numbers: [148] 148,26 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,26 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:[81, 14], Operations: ['50-43=7', '2*7=14'] Exploring Operation: 81*14=1134, Resulting Numbers: [1134] 1134,26 unequal: No Solution Exploring Operation: 81+14=95, Resulting Numbers: [95] 95,26 unequal: No Solution Exploring Operation: 81-14=67, Resulting Numbers: [67] 67,26 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:[7, 79], Operations: ['50-43=7', '81-2=79'] Exploring Operation: 7+79=86, Resulting Numbers: [86] 86,26 unequal: No Solution Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,26 unequal: No Solution Exploring Operation: 7*79=553, Resulting Numbers: [553] 553,26 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:[81, 5], Operations: ['50-43=7', '7-2=5'] Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,26 unequal: No Solution Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,26 unequal: No Solution Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,26 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:[43, 81, 25], Operations: ['50/2=25'] Exploring Operation: 43-25=18, Resulting Numbers: [81, 18] Generated Node #0,1,0: 26:[81, 18] Operation: 43-25=18 Exploring Operation: 81-25=56, Resulting Numbers: [43, 56] Generated Node #0,1,1: 26:[43, 56] Operation: 81-25=56 Exploring Operation: 43+25=68, Resulting Numbers: [81, 68] Generated Node #0,1,2: 26:[81, 68] Operation: 43+25=68 Exploring Operation: 81-43=38, Resulting Numbers: [25, 38] Generated Node #0,1,3: 26:[25, 38] Operation: 81-43=38 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 26:[25, 38], Operations: ['50/2=25', '81-43=38'] Exploring Operation: 25*38=950, Resulting Numbers: [950] 950,26 unequal: No Solution Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 25+38=63, Resulting Numbers: [63] 63,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 26:[43, 56], Operations: ['50/2=25', '81-25=56'] Exploring Operation: 43*56=2408, Resulting Numbers: [2408] 2408,26 unequal: No Solution Exploring Operation: 56-43=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 43+56=99, Resulting Numbers: [99] 99,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[81, 18], Operations: ['50/2=25', '43-25=18'] Exploring Operation: 81*18=1458, Resulting Numbers: [1458] 1458,26 unequal: No Solution Exploring Operation: 81-18=63, Resulting Numbers: [63] 63,26 unequal: No Solution Exploring Operation: 81+18=99, Resulting Numbers: [99] 99,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 26:[81, 68], Operations: ['50/2=25', '43+25=68'] Exploring Operation: 81-68=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 81*68=5508, Resulting Numbers: [5508] 5508,26 unequal: No Solution Exploring Operation: 81+68=149, Resulting Numbers: [149] 149,26 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
mult_heuristic
[ 8, 30, 58, 60 ]
71
[ "30+58=88", "88/8=11", "60+11=71" ]
Current State: 71:[8, 30, 58, 60], Operations: [] Exploring Operation: 30+58=88, Resulting Numbers: [8, 60, 88] Generated Node #2: [8, 60, 88] from Operation: 30+58=88 Current State: 71:[8, 60, 88], Operations: ['30+58=88'] Exploring Operation: 88/8=11, Resulting Numbers: [60, 11] Generated Node #3: [60, 11] from Operation: 88/8=11 Current State: 71:[60, 11], Operations: ['30+58=88', '88/8=11'] Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[8, 30, 58, 60], Operations: [] Exploring Operation: 8+30=38, Resulting Numbers: [58, 60, 38] Generated Node #0,0: 71:[58, 60, 38] Operation: 8+30=38 Exploring Operation: 8+58=66, Resulting Numbers: [30, 60, 66] Generated Node #0,1: 71:[30, 60, 66] Operation: 8+58=66 Moving to Node #0,0 Current State: 71:[58, 60, 38], Operations: ['8+30=38'] Exploring Operation: 58+38=96, Resulting Numbers: [60, 96] Generated Node #0,0,0: 71:[60, 96] Operation: 58+38=96 Exploring Operation: 60+38=98, Resulting Numbers: [58, 98] Generated Node #0,0,1: 71:[58, 98] Operation: 60+38=98 Moving to Node #0,1 Current State: 71:[30, 60, 66], Operations: ['8+58=66'] Exploring Operation: 30+60=90, Resulting Numbers: [66, 90] Generated Node #0,1,0: 71:[66, 90] Operation: 30+60=90 Exploring Operation: 30+66=96, Resulting Numbers: [60, 96] Generated Node #0,1,1: 71:[60, 96] Operation: 30+66=96 Moving to Node #0,1,0 Current State: 71:[66, 90], Operations: ['8+58=66', '30+60=90'] Exploring Operation: 90-66=24, Resulting Numbers: [24] 24,71 unequal: No Solution Exploring Operation: 66+90=156, Resulting Numbers: [156] 156,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[60, 96], Operations: ['8+30=38', '58+38=96'] Exploring Operation: 96-60=36, Resulting Numbers: [36] 36,71 unequal: No Solution Exploring Operation: 60+96=156, Resulting Numbers: [156] 156,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[60, 96], Operations: ['8+58=66', '30+66=96'] Exploring Operation: 60+96=156, Resulting Numbers: [156] 156,71 unequal: No Solution Exploring Operation: 96-60=36, Resulting Numbers: [36] 36,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[58, 98], Operations: ['8+30=38', '60+38=98'] Exploring Operation: 58+98=156, Resulting Numbers: [156] 156,71 unequal: No Solution Exploring Operation: 98-58=40, Resulting Numbers: [40] 40,71 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 38, 27, 96, 73 ]
88
[ "38+27=65", "96-73=23", "65+23=88" ]
Current State: 88:[38, 27, 96, 73], Operations: [] Exploring Operation: 38+27=65, Resulting Numbers: [96, 73, 65] Generated Node #2: [96, 73, 65] from Operation: 38+27=65 Current State: 88:[96, 73, 65], Operations: ['38+27=65'] Exploring Operation: 96-73=23, Resulting Numbers: [65, 23] Generated Node #3: [65, 23] from Operation: 96-73=23 Current State: 88:[65, 23], Operations: ['38+27=65', '96-73=23'] Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[38, 27, 96, 73], Operations: [] Exploring Operation: 38-27=11, Resulting Numbers: [96, 73, 11] Generated Node #0,0: 88:[96, 73, 11] Operation: 38-27=11 Exploring Operation: 73-38=35, Resulting Numbers: [27, 96, 35] Generated Node #0,1: 88:[27, 96, 35] Operation: 73-38=35 Exploring Operation: 96-73=23, Resulting Numbers: [38, 27, 23] Generated Node #0,2: 88:[38, 27, 23] Operation: 96-73=23 Exploring Operation: 73-27=46, Resulting Numbers: [38, 96, 46] Generated Node #0,3: 88:[38, 96, 46] Operation: 73-27=46 Moving to Node #0,2 Current State: 88:[38, 27, 23], Operations: ['96-73=23'] Exploring Operation: 38-27=11, Resulting Numbers: [23, 11] Generated Node #0,2,0: 88:[23, 11] Operation: 38-27=11 Exploring Operation: 27-23=4, Resulting Numbers: [38, 4] Generated Node #0,2,1: 88:[38, 4] Operation: 27-23=4 Exploring Operation: 27+23=50, Resulting Numbers: [38, 50] Generated Node #0,2,2: 88:[38, 50] Operation: 27+23=50 Exploring Operation: 38-23=15, Resulting Numbers: [27, 15] Generated Node #0,2,3: 88:[27, 15] Operation: 38-23=15 Moving to Node #0,3 Current State: 88:[38, 96, 46], Operations: ['73-27=46'] Exploring Operation: 46-38=8, Resulting Numbers: [96, 8] Generated Node #0,3,0: 88:[96, 8] Operation: 46-38=8 Exploring Operation: 38+46=84, Resulting Numbers: [96, 84] Generated Node #0,3,1: 88:[96, 84] Operation: 38+46=84 Exploring Operation: 96-46=50, Resulting Numbers: [38, 50] Generated Node #0,3,2: 88:[38, 50] Operation: 96-46=50 Exploring Operation: 96-38=58, Resulting Numbers: [46, 58] Generated Node #0,3,3: 88:[46, 58] Operation: 96-38=58 Moving to Node #0,1 Current State: 88:[27, 96, 35], Operations: ['73-38=35'] Exploring Operation: 96-35=61, Resulting Numbers: [27, 61] Generated Node #0,1,0: 88:[27, 61] Operation: 96-35=61 Exploring Operation: 27+35=62, Resulting Numbers: [96, 62] Generated Node #0,1,1: 88:[96, 62] Operation: 27+35=62 Exploring Operation: 35-27=8, Resulting Numbers: [96, 8] Generated Node #0,1,2: 88:[96, 8] Operation: 35-27=8 Exploring Operation: 96-27=69, Resulting Numbers: [35, 69] Generated Node #0,1,3: 88:[35, 69] Operation: 96-27=69 Moving to Node #0,0 Current State: 88:[96, 73, 11], Operations: ['38-27=11'] Exploring Operation: 96-73=23, Resulting Numbers: [11, 23] Generated Node #0,0,0: 88:[11, 23] Operation: 96-73=23 Exploring Operation: 73+11=84, Resulting Numbers: [96, 84] Generated Node #0,0,1: 88:[96, 84] Operation: 73+11=84 Exploring Operation: 96-11=85, Resulting Numbers: [73, 85] Generated Node #0,0,2: 88:[73, 85] Operation: 96-11=85 Exploring Operation: 73-11=62, Resulting Numbers: [96, 62] Generated Node #0,0,3: 88:[96, 62] Operation: 73-11=62 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[11, 23], Operations: ['38-27=11', '96-73=23'] Exploring Operation: 11*23=253, Resulting Numbers: [253] 253,88 unequal: No Solution Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[96, 84], Operations: ['38-27=11', '73+11=84'] Exploring Operation: 96-84=12, Resulting Numbers: [12] 12,88 unequal: No Solution Exploring Operation: 96*84=8064, Resulting Numbers: [8064] 8064,88 unequal: No Solution Exploring Operation: 96+84=180, Resulting Numbers: [180] 180,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 88:[73, 85], Operations: ['38-27=11', '96-11=85'] Exploring Operation: 85-73=12, Resulting Numbers: [12] 12,88 unequal: No Solution Exploring Operation: 73*85=6205, Resulting Numbers: [6205] 6205,88 unequal: No Solution Exploring Operation: 73+85=158, Resulting Numbers: [158] 158,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 88:[96, 62], Operations: ['38-27=11', '73-11=62'] Exploring Operation: 96+62=158, Resulting Numbers: [158] 158,88 unequal: No Solution Exploring Operation: 96-62=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 96*62=5952, Resulting Numbers: [5952] 5952,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 88:[23, 11], Operations: ['96-73=23', '38-27=11'] Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,88 unequal: No Solution Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,88 unequal: No Solution Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[38, 4], Operations: ['96-73=23', '27-23=4'] Exploring Operation: 38*4=152, Resulting Numbers: [152] 152,88 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[96, 8], Operations: ['73-27=46', '46-38=8'] Exploring Operation: 96-8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[38, 27, 96, 73], Operations: [] Exploring Operation: 73-27=46, Resulting Numbers: [38, 96, 46] Generated Node #0,3: 88:[38, 96, 46] Operation: 73-27=46 Moving to Node #0,3 Current State: 88:[38, 96, 46], Operations: ['73-27=46'] Exploring Operation: 46-38=8, Resulting Numbers: [96, 8] Generated Node #0,3,0: 88:[96, 8] Operation: 46-38=8 Moving to Node #0,3,0 Current State: 88:[96, 8], Operations: ['73-27=46', '46-38=8'] Exploring Operation: 96-8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.962674
hs_4
sum_heuristic
[ 38, 80, 7, 2 ]
85
[ "38+7=45", "80/2=40", "45+40=85" ]
Current State: 85:[38, 80, 7, 2], Operations: [] Exploring Operation: 38+7=45, Resulting Numbers: [80, 2, 45] Generated Node #2: [80, 2, 45] from Operation: 38+7=45 Current State: 85:[80, 2, 45], Operations: ['38+7=45'] Exploring Operation: 80/2=40, Resulting Numbers: [45, 40] Generated Node #3: [45, 40] from Operation: 80/2=40 Current State: 85:[45, 40], Operations: ['38+7=45', '80/2=40'] Exploring Operation: 45+40=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[38, 80, 7, 2], Operations: [] Exploring Operation: 38-7=31, Resulting Numbers: [80, 2, 31] Generated Node #0,0: 85:[80, 2, 31] Operation: 38-7=31 Exploring Operation: 38*2=76, Resulting Numbers: [80, 7, 76] Generated Node #0,1: 85:[80, 7, 76] Operation: 38*2=76 Exploring Operation: 80+7=87, Resulting Numbers: [38, 2, 87] Generated Node #0,2: 85:[38, 2, 87] Operation: 80+7=87 Exploring Operation: 38/2=19, Resulting Numbers: [80, 7, 19] Generated Node #0,3: 85:[80, 7, 19] Operation: 38/2=19 Exploring Operation: 38-2=36, Resulting Numbers: [80, 7, 36] Generated Node #0,4: 85:[80, 7, 36] Operation: 38-2=36 Moving to Node #0,3 Current State: 85:[80, 7, 19], Operations: ['38/2=19'] Exploring Operation: 80+19=99, Resulting Numbers: [7, 99] Generated Node #0,3,0: 85:[7, 99] Operation: 80+19=99 Exploring Operation: 19-7=12, Resulting Numbers: [80, 12] Generated Node #0,3,1: 85:[80, 12] Operation: 19-7=12 Exploring Operation: 80+7=87, Resulting Numbers: [19, 87] Generated Node #0,3,2: 85:[19, 87] Operation: 80+7=87 Exploring Operation: 7+19=26, Resulting Numbers: [80, 26] Generated Node #0,3,3: 85:[80, 26] Operation: 7+19=26 Exploring Operation: 80-7=73, Resulting Numbers: [19, 73] Generated Node #0,3,4: 85:[19, 73] Operation: 80-7=73 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 85:[19, 87], Operations: ['38/2=19', '80+7=87'] Exploring Operation: 87-19=68, Resulting Numbers: [68] 68,85 unequal: No Solution Exploring Operation: 19*87=1653, Resulting Numbers: [1653] 1653,85 unequal: No Solution Exploring Operation: 19+87=106, Resulting Numbers: [106] 106,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 85:[80, 12], Operations: ['38/2=19', '19-7=12'] Exploring Operation: 80*12=960, Resulting Numbers: [960] 960,85 unequal: No Solution Exploring Operation: 80+12=92, Resulting Numbers: [92] 92,85 unequal: No Solution Exploring Operation: 80-12=68, Resulting Numbers: [68] 68,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 85:[80, 26], Operations: ['38/2=19', '7+19=26'] Exploring Operation: 80-26=54, Resulting Numbers: [54] 54,85 unequal: No Solution Exploring Operation: 80+26=106, Resulting Numbers: [106] 106,85 unequal: No Solution Exploring Operation: 80*26=2080, Resulting Numbers: [2080] 2080,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 85:[19, 73], Operations: ['38/2=19', '80-7=73'] Exploring Operation: 19*73=1387, Resulting Numbers: [1387] 1387,85 unequal: No Solution Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,85 unequal: No Solution Exploring Operation: 19+73=92, Resulting Numbers: [92] 92,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 85:[7, 99], Operations: ['38/2=19', '80+19=99'] Exploring Operation: 7+99=106, Resulting Numbers: [106] 106,85 unequal: No Solution Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,85 unequal: No Solution Exploring Operation: 7*99=693, Resulting Numbers: [693] 693,85 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: 85:[80, 7, 76], Operations: ['38*2=76'] Exploring Operation: 80+7=87, Resulting Numbers: [76, 87] Generated Node #0,1,0: 85:[76, 87] Operation: 80+7=87 Exploring Operation: 76-7=69, Resulting Numbers: [80, 69] Generated Node #0,1,1: 85:[80, 69] Operation: 76-7=69 Exploring Operation: 80-76=4, Resulting Numbers: [7, 4] Generated Node #0,1,2: 85:[7, 4] Operation: 80-76=4 Exploring Operation: 7+76=83, Resulting Numbers: [80, 83] Generated Node #0,1,3: 85:[80, 83] Operation: 7+76=83 Exploring Operation: 80-7=73, Resulting Numbers: [76, 73] Generated Node #0,1,4: 85:[76, 73] Operation: 80-7=73 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 85:[7, 4], Operations: ['38*2=76', '80-76=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,85 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,85 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 85:[80, 83], Operations: ['38*2=76', '7+76=83'] Exploring Operation: 80*83=6640, Resulting Numbers: [6640] 6640,85 unequal: No Solution Exploring Operation: 83-80=3, Resulting Numbers: [3] 3,85 unequal: No Solution Exploring Operation: 80+83=163, Resulting Numbers: [163] 163,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[76, 87], Operations: ['38*2=76', '80+7=87'] Exploring Operation: 76+87=163, Resulting Numbers: [163] 163,85 unequal: No Solution Exploring Operation: 76*87=6612, Resulting Numbers: [6612] 6612,85 unequal: No Solution Exploring Operation: 87-76=11, Resulting Numbers: [11] 11,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[80, 69], Operations: ['38*2=76', '76-7=69'] Exploring Operation: 80-69=11, Resulting Numbers: [11] 11,85 unequal: No Solution Exploring Operation: 80+69=149, Resulting Numbers: [149] 149,85 unequal: No Solution Exploring Operation: 80*69=5520, Resulting Numbers: [5520] 5520,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 85:[76, 73], Operations: ['38*2=76', '80-7=73'] Exploring Operation: 76*73=5548, Resulting Numbers: [5548] 5548,85 unequal: No Solution Exploring Operation: 76-73=3, Resulting Numbers: [3] 3,85 unequal: No Solution Exploring Operation: 76+73=149, Resulting Numbers: [149] 149,85 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: 85:[80, 2, 31], Operations: ['38-7=31'] Exploring Operation: 2*31=62, Resulting Numbers: [80, 62] Generated Node #0,0,0: 85:[80, 62] Operation: 2*31=62 Exploring Operation: 2+31=33, Resulting Numbers: [80, 33] Generated Node #0,0,1: 85:[80, 33] Operation: 2+31=33 Exploring Operation: 80-2=78, Resulting Numbers: [31, 78] Generated Node #0,0,2: 85:[31, 78] Operation: 80-2=78 Exploring Operation: 80+2=82, Resulting Numbers: [31, 82] Generated Node #0,0,3: 85:[31, 82] Operation: 80+2=82 Exploring Operation: 31-2=29, Resulting Numbers: [80, 29] Generated Node #0,0,4: 85:[80, 29] Operation: 31-2=29 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 85:[31, 82], Operations: ['38-7=31', '80+2=82'] Exploring Operation: 31*82=2542, Resulting Numbers: [2542] 2542,85 unequal: No Solution Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,85 unequal: No Solution Exploring Operation: 31+82=113, Resulting Numbers: [113] 113,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 85:[80, 29], Operations: ['38-7=31', '31-2=29'] Exploring Operation: 80-29=51, Resulting Numbers: [51] 51,85 unequal: No Solution Exploring Operation: 80*29=2320, Resulting Numbers: [2320] 2320,85 unequal: No Solution Exploring Operation: 80+29=109, Resulting Numbers: [109] 109,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 85:[80, 33], Operations: ['38-7=31', '2+31=33'] Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,85 unequal: No Solution Exploring Operation: 80+33=113, Resulting Numbers: [113] 113,85 unequal: No Solution Exploring Operation: 80*33=2640, Resulting Numbers: [2640] 2640,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 85:[31, 78], Operations: ['38-7=31', '80-2=78'] Exploring Operation: 31*78=2418, Resulting Numbers: [2418] 2418,85 unequal: No Solution Exploring Operation: 31+78=109, Resulting Numbers: [109] 109,85 unequal: No Solution Exploring Operation: 78-31=47, Resulting Numbers: [47] 47,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[80, 62], Operations: ['38-7=31', '2*31=62'] Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 80*62=4960, Resulting Numbers: [4960] 4960,85 unequal: No Solution Exploring Operation: 80+62=142, Resulting Numbers: [142] 142,85 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: 85:[38, 2, 87], Operations: ['80+7=87'] Exploring Operation: 38-2=36, Resulting Numbers: [87, 36] Generated Node #0,2,0: 85:[87, 36] Operation: 38-2=36 Exploring Operation: 38/2=19, Resulting Numbers: [87, 19] Generated Node #0,2,1: 85:[87, 19] Operation: 38/2=19 Exploring Operation: 87-2=85, Resulting Numbers: [38, 85] Generated Node #0,2,2: 85:[38, 85] Operation: 87-2=85 Exploring Operation: 38+2=40, Resulting Numbers: [87, 40] Generated Node #0,2,3: 85:[87, 40] Operation: 38+2=40 Exploring Operation: 38*2=76, Resulting Numbers: [87, 76] Generated Node #0,2,4: 85:[87, 76] Operation: 38*2=76 Moving to Node #0,4 Current State: 85:[80, 7, 36], Operations: ['38-2=36'] Exploring Operation: 7+36=43, Resulting Numbers: [80, 43] Generated Node #0,4,0: 85:[80, 43] Operation: 7+36=43 Exploring Operation: 36-7=29, Resulting Numbers: [80, 29] Generated Node #0,4,1: 85:[80, 29] Operation: 36-7=29 Exploring Operation: 80-7=73, Resulting Numbers: [36, 73] Generated Node #0,4,2: 85:[36, 73] Operation: 80-7=73 Exploring Operation: 80-36=44, Resulting Numbers: [7, 44] Generated Node #0,4,3: 85:[7, 44] Operation: 80-36=44 Exploring Operation: 80+7=87, Resulting Numbers: [36, 87] Generated Node #0,4,4: 85:[36, 87] Operation: 80+7=87 Moving to Node #0,2,1 Current State: 85:[87, 19], Operations: ['80+7=87', '38/2=19'] Exploring Operation: 87+19=106, Resulting Numbers: [106] 106,85 unequal: No Solution Exploring Operation: 87-19=68, Resulting Numbers: [68] 68,85 unequal: No Solution Exploring Operation: 87*19=1653, Resulting Numbers: [1653] 1653,85 unequal: No Solution Moving to Node #0,2,4 Current State: 85:[87, 76], Operations: ['80+7=87', '38*2=76'] Exploring Operation: 87*76=6612, Resulting Numbers: [6612] 6612,85 unequal: No Solution Exploring Operation: 87-76=11, Resulting Numbers: [11] 11,85 unequal: No Solution Exploring Operation: 87+76=163, Resulting Numbers: [163] 163,85 unequal: No Solution Moving to Node #0,4,1 Current State: 85:[80, 29], Operations: ['38-2=36', '36-7=29'] Exploring Operation: 80*29=2320, Resulting Numbers: [2320] 2320,85 unequal: No Solution Exploring Operation: 80+29=109, Resulting Numbers: [109] 109,85 unequal: No Solution Exploring Operation: 80-29=51, Resulting Numbers: [51] 51,85 unequal: No Solution Moving to Node #0,4,4 Current State: 85:[36, 87], Operations: ['38-2=36', '80+7=87'] Exploring Operation: 36+87=123, Resulting Numbers: [123] 123,85 unequal: No Solution Exploring Operation: 36*87=3132, Resulting Numbers: [3132] 3132,85 unequal: No Solution Exploring Operation: 87-36=51, Resulting Numbers: [51] 51,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[87, 36], Operations: ['80+7=87', '38-2=36'] Exploring Operation: 87+36=123, Resulting Numbers: [123] 123,85 unequal: No Solution Exploring Operation: 87*36=3132, Resulting Numbers: [3132] 3132,85 unequal: No Solution Exploring Operation: 87-36=51, Resulting Numbers: [51] 51,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[38, 85], Operations: ['80+7=87', '87-2=85'] Exploring Operation: 38*85=3230, Resulting Numbers: [3230] 3230,85 unequal: No Solution Exploring Operation: 38+85=123, Resulting Numbers: [123] 123,85 unequal: No Solution Exploring Operation: 85-38=47, Resulting Numbers: [47] 47,85 unequal: No Solution Moving to Node #0,2,3 Current State: 85:[87, 40], Operations: ['80+7=87', '38+2=40'] Exploring Operation: 87+40=127, Resulting Numbers: [127] 127,85 unequal: No Solution Exploring Operation: 87-40=47, Resulting Numbers: [47] 47,85 unequal: No Solution Exploring Operation: 87*40=3480, Resulting Numbers: [3480] 3480,85 unequal: No Solution Moving to Node #0,4,3 Current State: 85:[7, 44], Operations: ['38-2=36', '80-36=44'] Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,85 unequal: No Solution Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,85 unequal: No Solution Exploring Operation: 7*44=308, Resulting Numbers: [308] 308,85 unequal: No Solution Moving to Node #0,4,0 Current State: 85:[80, 43], Operations: ['38-2=36', '7+36=43'] Exploring Operation: 80-43=37, Resulting Numbers: [37] 37,85 unequal: No Solution Exploring Operation: 80+43=123, Resulting Numbers: [123] 123,85 unequal: No Solution Exploring Operation: 80*43=3440, Resulting Numbers: [3440] 3440,85 unequal: No Solution Moving to Node #0,4,2 Current State: 85:[36, 73], Operations: ['38-2=36', '80-7=73'] Exploring Operation: 36+73=109, Resulting Numbers: [109] 109,85 unequal: No Solution Exploring Operation: 36*73=2628, Resulting Numbers: [2628] 2628,85 unequal: No Solution Exploring Operation: 73-36=37, Resulting Numbers: [37] 37,85 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 37, 55, 5, 56 ]
32
[ "37-5=32", "56-55=1", "32*1=32" ]
Current State: 32:[37, 55, 5, 56], Operations: [] Exploring Operation: 37-5=32, Resulting Numbers: [55, 56, 32] Generated Node #2: [55, 56, 32] from Operation: 37-5=32 Current State: 32:[55, 56, 32], Operations: ['37-5=32'] Exploring Operation: 56-55=1, Resulting Numbers: [32, 1] Generated Node #3: [32, 1] from Operation: 56-55=1 Current State: 32:[32, 1], Operations: ['37-5=32', '56-55=1'] Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[37, 55, 5, 56], Operations: [] Exploring Operation: 56-55=1, Resulting Numbers: [37, 5, 1] Generated Node #0,0: 32:[37, 5, 1] Operation: 56-55=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[37, 5, 1], Operations: ['56-55=1'] Exploring Operation: 37-5=32, Resulting Numbers: [1, 32] Generated Node #0,0,0: 32:[1, 32] Operation: 37-5=32 Moving to Node #0,0,0 Current State: 32:[1, 32], Operations: ['56-55=1', '37-5=32'] Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[37, 55, 5, 56], Operations: [] Exploring Operation: 56-55=1, Resulting Numbers: [37, 5, 1] Generated Node #0,0: 32:[37, 5, 1] Operation: 56-55=1 Moving to Node #0,0 Current State: 32:[37, 5, 1], Operations: ['56-55=1'] Exploring Operation: 37-5=32, Resulting Numbers: [1, 32] Generated Node #0,0,0: 32:[1, 32] Operation: 37-5=32 Moving to Node #0,0,0 Current State: 32:[1, 32], Operations: ['56-55=1', '37-5=32'] Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 77, 3, 67, 89 ]
82
[ "77-3=74", "67+89=156", "156-74=82" ]
Current State: 82:[77, 3, 67, 89], Operations: [] Exploring Operation: 77-3=74, Resulting Numbers: [67, 89, 74] Generated Node #2: [67, 89, 74] from Operation: 77-3=74 Current State: 82:[67, 89, 74], Operations: ['77-3=74'] Exploring Operation: 67+89=156, Resulting Numbers: [74, 156] Generated Node #3: [74, 156] from Operation: 67+89=156 Current State: 82:[74, 156], Operations: ['77-3=74', '67+89=156'] Exploring Operation: 156-74=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[77, 3, 67, 89], Operations: [] Exploring Operation: 77+3=80, Resulting Numbers: [67, 89, 80] Generated Node #0,0: 82:[67, 89, 80] Operation: 77+3=80 Exploring Operation: 77-67=10, Resulting Numbers: [3, 89, 10] Generated Node #0,1: 82:[3, 89, 10] Operation: 77-67=10 Moving to Node #0,1 Current State: 82:[3, 89, 10], Operations: ['77-67=10'] Exploring Operation: 89-3=86, Resulting Numbers: [10, 86] Generated Node #0,1,0: 82:[10, 86] Operation: 89-3=86 Exploring Operation: 89-10=79, Resulting Numbers: [3, 79] Generated Node #0,1,1: 82:[3, 79] Operation: 89-10=79 Moving to Node #0,0 Current State: 82:[67, 89, 80], Operations: ['77+3=80'] Exploring Operation: 80-67=13, Resulting Numbers: [89, 13] Generated Node #0,0,0: 82:[89, 13] Operation: 80-67=13 Exploring Operation: 89-67=22, Resulting Numbers: [80, 22] Generated Node #0,0,1: 82:[80, 22] Operation: 89-67=22 Moving to Node #0,1,1 Current State: 82:[3, 79], Operations: ['77-67=10', '89-10=79'] Exploring Operation: 3+79=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[77, 3, 67, 89], Operations: [] Exploring Operation: 77-67=10, Resulting Numbers: [3, 89, 10] Generated Node #0,1: 82:[3, 89, 10] Operation: 77-67=10 Moving to Node #0,1 Current State: 82:[3, 89, 10], Operations: ['77-67=10'] Exploring Operation: 89-10=79, Resulting Numbers: [3, 79] Generated Node #0,1,1: 82:[3, 79] Operation: 89-10=79 Moving to Node #0,1,1 Current State: 82:[3, 79], Operations: ['77-67=10', '89-10=79'] Exploring Operation: 3+79=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 8, 44, 7, 30 ]
88
[ "8+7=15", "44*30=1320", "1320/15=88" ]
Current State: 88:[8, 44, 7, 30], Operations: [] Exploring Operation: 8+7=15, Resulting Numbers: [44, 30, 15] Generated Node #2: [44, 30, 15] from Operation: 8+7=15 Current State: 88:[44, 30, 15], Operations: ['8+7=15'] Exploring Operation: 44*30=1320, Resulting Numbers: [15, 1320] Generated Node #3: [15, 1320] from Operation: 44*30=1320 Current State: 88:[15, 1320], Operations: ['8+7=15', '44*30=1320'] Exploring Operation: 1320/15=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[8, 44, 7, 30], Operations: [] Exploring Operation: 44-30=14, Resulting Numbers: [8, 7, 14] Generated Node #0,0: 88:[8, 7, 14] Operation: 44-30=14 Exploring Operation: 30-7=23, Resulting Numbers: [8, 44, 23] Generated Node #0,1: 88:[8, 44, 23] Operation: 30-7=23 Exploring Operation: 30-8=22, Resulting Numbers: [44, 7, 22] Generated Node #0,2: 88:[44, 7, 22] Operation: 30-8=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[8, 44, 23], Operations: ['30-7=23'] Exploring Operation: 44-23=21, Resulting Numbers: [8, 21] Generated Node #0,1,0: 88:[8, 21] Operation: 44-23=21 Exploring Operation: 8+44=52, Resulting Numbers: [23, 52] Generated Node #0,1,1: 88:[23, 52] Operation: 8+44=52 Exploring Operation: 23-8=15, Resulting Numbers: [44, 15] Generated Node #0,1,2: 88:[44, 15] Operation: 23-8=15 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 88:[8, 21], Operations: ['30-7=23', '44-23=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,88 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,88 unequal: No Solution No 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: 88:[44, 15], Operations: ['30-7=23', '23-8=15'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 44+15=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 44*15=660, Resulting Numbers: [660] 660,88 unequal: No Solution No 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: 88:[23, 52], Operations: ['30-7=23', '8+44=52'] Exploring Operation: 23+52=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 23*52=1196, Resulting Numbers: [1196] 1196,88 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: 88:[44, 7, 22], Operations: ['30-8=22'] Exploring Operation: 44-22=22, Resulting Numbers: [7, 22] Generated Node #0,2,0: 88:[7, 22] Operation: 44-22=22 Exploring Operation: 44/22=2, Resulting Numbers: [7, 2] Generated Node #0,2,1: 88:[7, 2] Operation: 44/22=2 Exploring Operation: 22-7=15, Resulting Numbers: [44, 15] Generated Node #0,2,2: 88:[44, 15] Operation: 22-7=15 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 88:[7, 22], Operations: ['30-8=22', '44-22=22'] Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,88 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,88 unequal: No Solution No 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: 88:[7, 2], Operations: ['30-8=22', '44/22=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,88 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,88 unequal: No Solution No 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: 88:[44, 15], Operations: ['30-8=22', '22-7=15'] Exploring Operation: 44+15=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 44*15=660, Resulting Numbers: [660] 660,88 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: 88:[8, 7, 14], Operations: ['44-30=14'] Exploring Operation: 8+14=22, Resulting Numbers: [7, 22] Generated Node #0,0,0: 88:[7, 22] Operation: 8+14=22 Exploring Operation: 7+14=21, Resulting Numbers: [8, 21] Generated Node #0,0,1: 88:[8, 21] Operation: 7+14=21 Exploring Operation: 14/7=2, Resulting Numbers: [8, 2] Generated Node #0,0,2: 88:[8, 2] Operation: 14/7=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 88:[8, 2], Operations: ['44-30=14', '14/7=2'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,88 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,88 unequal: No Solution No 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: 88:[7, 22], Operations: ['44-30=14', '8+14=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,88 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,88 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,88 unequal: No Solution No 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: 88:[8, 21], Operations: ['44-30=14', '7+14=21'] Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,88 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,88 unequal: No Solution Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,88 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
[ 88, 38, 71, 75 ]
20
[ "88+38=126", "71+75=146", "146-126=20" ]
Current State: 20:[88, 38, 71, 75], Operations: [] Exploring Operation: 88+38=126, Resulting Numbers: [71, 75, 126] Generated Node #2: [71, 75, 126] from Operation: 88+38=126 Current State: 20:[71, 75, 126], Operations: ['88+38=126'] Exploring Operation: 71+75=146, Resulting Numbers: [126, 146] Generated Node #3: [126, 146] from Operation: 71+75=146 Current State: 20:[126, 146], Operations: ['88+38=126', '71+75=146'] Exploring Operation: 146-126=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[88, 38, 71, 75], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [38, 71, 13] Generated Node #0,0: 20:[38, 71, 13] Operation: 88-75=13 Exploring Operation: 88-71=17, Resulting Numbers: [38, 75, 17] Generated Node #0,1: 20:[38, 75, 17] Operation: 88-71=17 Exploring Operation: 75-71=4, Resulting Numbers: [88, 38, 4] Generated Node #0,2: 20:[88, 38, 4] Operation: 75-71=4 Moving to Node #0,0 Current State: 20:[38, 71, 13], Operations: ['88-75=13'] Exploring Operation: 71-38=33, Resulting Numbers: [13, 33] Generated Node #0,0,0: 20:[13, 33] Operation: 71-38=33 Exploring Operation: 71-13=58, Resulting Numbers: [38, 58] Generated Node #0,0,1: 20:[38, 58] Operation: 71-13=58 Exploring Operation: 38-13=25, Resulting Numbers: [71, 25] Generated Node #0,0,2: 20:[71, 25] Operation: 38-13=25 Moving to Node #0,1 Current State: 20:[38, 75, 17], Operations: ['88-71=17'] Exploring Operation: 75-38=37, Resulting Numbers: [17, 37] Generated Node #0,1,0: 20:[17, 37] Operation: 75-38=37 Exploring Operation: 75-17=58, Resulting Numbers: [38, 58] Generated Node #0,1,1: 20:[38, 58] Operation: 75-17=58 Exploring Operation: 38-17=21, Resulting Numbers: [75, 21] Generated Node #0,1,2: 20:[75, 21] Operation: 38-17=21 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[17, 37], Operations: ['88-71=17', '75-38=37'] Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[88, 38, 71, 75], Operations: [] Exploring Operation: 88-71=17, Resulting Numbers: [38, 75, 17] Generated Node #0,1: 20:[38, 75, 17] Operation: 88-71=17 Moving to Node #0,1 Current State: 20:[38, 75, 17], Operations: ['88-71=17'] Exploring Operation: 75-38=37, Resulting Numbers: [17, 37] Generated Node #0,1,0: 20:[17, 37] Operation: 75-38=37 Moving to Node #0,1,0 Current State: 20:[17, 37], Operations: ['88-71=17', '75-38=37'] Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 41, 30, 74, 69 ]
23
[ "41+30=71", "74-71=3", "69/3=23" ]
Current State: 23:[41, 30, 74, 69], Operations: [] Exploring Operation: 41+30=71, Resulting Numbers: [74, 69, 71] Generated Node #2: [74, 69, 71] from Operation: 41+30=71 Current State: 23:[74, 69, 71], Operations: ['41+30=71'] Exploring Operation: 74-71=3, Resulting Numbers: [69, 3] Generated Node #3: [69, 3] from Operation: 74-71=3 Current State: 23:[69, 3], Operations: ['41+30=71', '74-71=3'] Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[41, 30, 74, 69], Operations: [] Exploring Operation: 69-30=39, Resulting Numbers: [41, 74, 39] Generated Node #0,0: 23:[41, 74, 39] Operation: 69-30=39 Exploring Operation: 69-41=28, Resulting Numbers: [30, 74, 28] Generated Node #0,1: 23:[30, 74, 28] Operation: 69-41=28 Exploring Operation: 74-69=5, Resulting Numbers: [41, 30, 5] Generated Node #0,2: 23:[41, 30, 5] Operation: 74-69=5 Exploring Operation: 74-41=33, Resulting Numbers: [30, 69, 33] Generated Node #0,3: 23:[30, 69, 33] Operation: 74-41=33 Exploring Operation: 74-30=44, Resulting Numbers: [41, 69, 44] Generated Node #0,4: 23:[41, 69, 44] Operation: 74-30=44 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[41, 30, 5], Operations: ['74-69=5'] Exploring Operation: 30+5=35, Resulting Numbers: [41, 35] Generated Node #0,2,0: 23:[41, 35] Operation: 30+5=35 Exploring Operation: 30-5=25, Resulting Numbers: [41, 25] Generated Node #0,2,1: 23:[41, 25] Operation: 30-5=25 Exploring Operation: 41-5=36, Resulting Numbers: [30, 36] Generated Node #0,2,2: 23:[30, 36] Operation: 41-5=36 Exploring Operation: 41+5=46, Resulting Numbers: [30, 46] Generated Node #0,2,3: 23:[30, 46] Operation: 41+5=46 Exploring Operation: 41-30=11, Resulting Numbers: [5, 11] Generated Node #0,2,4: 23:[5, 11] Operation: 41-30=11 Moving to Node #0,2,1 Current State: 23:[41, 25], Operations: ['74-69=5', '30-5=25'] Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[30, 36], Operations: ['74-69=5', '41-5=36'] Exploring Operation: 30*36=1080, Resulting Numbers: [1080] 1080,23 unequal: No Solution Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 30+36=66, Resulting Numbers: [66] 66,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[41, 35], Operations: ['74-69=5', '30+5=35'] Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,23 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,23 unequal: No Solution Moving to Node #0,2,3 Current State: 23:[30, 46], Operations: ['74-69=5', '41+5=46'] Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 30*46=1380, Resulting Numbers: [1380] 1380,23 unequal: No Solution Moving to Node #0,2,4 Current State: 23:[5, 11], Operations: ['74-69=5', '41-30=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[30, 74, 28], Operations: ['69-41=28'] Exploring Operation: 74-30=44, Resulting Numbers: [28, 44] Generated Node #0,1,0: 23:[28, 44] Operation: 74-30=44 Exploring Operation: 30+28=58, Resulting Numbers: [74, 58] Generated Node #0,1,1: 23:[74, 58] Operation: 30+28=58 Exploring Operation: 30+74=104, Resulting Numbers: [28, 104] Generated Node #0,1,2: 23:[28, 104] Operation: 30+74=104 Exploring Operation: 74-28=46, Resulting Numbers: [30, 46] Generated Node #0,1,3: 23:[30, 46] Operation: 74-28=46 Exploring Operation: 30-28=2, Resulting Numbers: [74, 2] Generated Node #0,1,4: 23:[74, 2] Operation: 30-28=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[28, 44], Operations: ['69-41=28', '74-30=44'] Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,23 unequal: No Solution Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,23 unequal: No Solution No 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: 23:[30, 46], Operations: ['69-41=28', '74-28=46'] Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 30*46=1380, Resulting Numbers: [1380] 1380,23 unequal: No Solution No 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: 23:[74, 2], Operations: ['69-41=28', '30-28=2'] Exploring Operation: 74*2=148, Resulting Numbers: [148] 148,23 unequal: No Solution Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,23 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,23 unequal: No Solution No 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: 23:[74, 58], Operations: ['69-41=28', '30+28=58'] Exploring Operation: 74*58=4292, Resulting Numbers: [4292] 4292,23 unequal: No Solution Exploring Operation: 74-58=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 74+58=132, Resulting Numbers: [132] 132,23 unequal: No Solution No 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: 23:[28, 104], Operations: ['69-41=28', '30+74=104'] Exploring Operation: 28*104=2912, Resulting Numbers: [2912] 2912,23 unequal: No Solution Exploring Operation: 104-28=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 28+104=132, Resulting Numbers: [132] 132,23 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: 23:[30, 69, 33], Operations: ['74-41=33'] Exploring Operation: 69-30=39, Resulting Numbers: [33, 39] Generated Node #0,3,0: 23:[33, 39] Operation: 69-30=39 Exploring Operation: 33-30=3, Resulting Numbers: [69, 3] Generated Node #0,3,1: 23:[69, 3] Operation: 33-30=3 Exploring Operation: 69-33=36, Resulting Numbers: [30, 36] Generated Node #0,3,2: 23:[30, 36] Operation: 69-33=36 Exploring Operation: 30+33=63, Resulting Numbers: [69, 63] Generated Node #0,3,3: 23:[69, 63] Operation: 30+33=63 Exploring Operation: 30+69=99, Resulting Numbers: [33, 99] Generated Node #0,3,4: 23:[33, 99] Operation: 30+69=99 Moving to Node #0,3,2 Current State: 23:[30, 36], Operations: ['74-41=33', '69-33=36'] Exploring Operation: 30+36=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 30*36=1080, Resulting Numbers: [1080] 1080,23 unequal: No Solution Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[33, 39], Operations: ['74-41=33', '69-30=39'] Exploring Operation: 33+39=72, Resulting Numbers: [72] 72,23 unequal: No Solution Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 33*39=1287, Resulting Numbers: [1287] 1287,23 unequal: No Solution Moving to Node #0,3,1 Current State: 23:[69, 3], Operations: ['74-41=33', '33-30=3'] Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[41, 30, 74, 69], Operations: [] Exploring Operation: 74-41=33, Resulting Numbers: [30, 69, 33] Generated Node #0,3: 23:[30, 69, 33] Operation: 74-41=33 Moving to Node #0,3 Current State: 23:[30, 69, 33], Operations: ['74-41=33'] Exploring Operation: 33-30=3, Resulting Numbers: [69, 3] Generated Node #0,3,1: 23:[69, 3] Operation: 33-30=3 Moving to Node #0,3,1 Current State: 23:[69, 3], Operations: ['74-41=33', '33-30=3'] Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.946181
hs_5
sum_heuristic
[ 12, 61, 15, 93 ]
84
[ "61*15=915", "93+915=1008", "1008/12=84" ]
Current State: 84:[12, 61, 15, 93], Operations: [] Exploring Operation: 61*15=915, Resulting Numbers: [12, 93, 915] Generated Node #2: [12, 93, 915] from Operation: 61*15=915 Current State: 84:[12, 93, 915], Operations: ['61*15=915'] Exploring Operation: 93+915=1008, Resulting Numbers: [12, 1008] Generated Node #3: [12, 1008] from Operation: 93+915=1008 Current State: 84:[12, 1008], Operations: ['61*15=915', '93+915=1008'] Exploring Operation: 1008/12=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[12, 61, 15, 93], Operations: [] Exploring Operation: 61-15=46, Resulting Numbers: [12, 93, 46] Generated Node #0,0: 84:[12, 93, 46] Operation: 61-15=46 Exploring Operation: 93-61=32, Resulting Numbers: [12, 15, 32] Generated Node #0,1: 84:[12, 15, 32] Operation: 93-61=32 Exploring Operation: 61-12=49, Resulting Numbers: [15, 93, 49] Generated Node #0,2: 84:[15, 93, 49] Operation: 61-12=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[12, 15, 32], Operations: ['93-61=32'] Exploring Operation: 12+32=44, Resulting Numbers: [15, 44] Generated Node #0,1,0: 84:[15, 44] Operation: 12+32=44 Exploring Operation: 32-15=17, Resulting Numbers: [12, 17] Generated Node #0,1,1: 84:[12, 17] Operation: 32-15=17 Exploring Operation: 32-12=20, Resulting Numbers: [15, 20] Generated Node #0,1,2: 84:[15, 20] Operation: 32-12=20 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 84:[15, 20], Operations: ['93-61=32', '32-12=20'] Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,84 unequal: No Solution Exploring Operation: 15+20=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 #0,1,0 Current State: 84:[15, 44], Operations: ['93-61=32', '12+32=44'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,84 unequal: No Solution Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,84 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:[12, 17], Operations: ['93-61=32', '32-15=17'] 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 Exploring Operation: 12*17=204, Resulting Numbers: [204] 204,84 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:[12, 93, 46], Operations: ['61-15=46'] Exploring Operation: 46-12=34, Resulting Numbers: [93, 34] Generated Node #0,0,0: 84:[93, 34] Operation: 46-12=34 Exploring Operation: 93-46=47, Resulting Numbers: [12, 47] Generated Node #0,0,1: 84:[12, 47] Operation: 93-46=47 Exploring Operation: 93-12=81, Resulting Numbers: [46, 81] Generated Node #0,0,2: 84:[46, 81] Operation: 93-12=81 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[12, 47], Operations: ['61-15=46', '93-46=47'] Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,84 unequal: No Solution Exploring Operation: 12*47=564, Resulting Numbers: [564] 564,84 unequal: No Solution Exploring Operation: 12+47=59, Resulting Numbers: [59] 59,84 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 #0,0,2 Current State: 84:[46, 81], Operations: ['61-15=46', '93-12=81'] Exploring Operation: 81-46=35, Resulting Numbers: [35] 35,84 unequal: No Solution Exploring Operation: 46+81=127, Resulting Numbers: [127] 127,84 unequal: No Solution Exploring Operation: 46*81=3726, Resulting Numbers: [3726] 3726,84 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:[93, 34], Operations: ['61-15=46', '46-12=34'] Exploring Operation: 93+34=127, Resulting Numbers: [127] 127,84 unequal: No Solution Exploring Operation: 93-34=59, Resulting Numbers: [59] 59,84 unequal: No Solution Exploring Operation: 93*34=3162, Resulting Numbers: [3162] 3162,84 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:[15, 93, 49], Operations: ['61-12=49'] Exploring Operation: 93-15=78, Resulting Numbers: [49, 78] Generated Node #0,2,0: 84:[49, 78] Operation: 93-15=78 Exploring Operation: 93-49=44, Resulting Numbers: [15, 44] Generated Node #0,2,1: 84:[15, 44] Operation: 93-49=44 Exploring Operation: 49-15=34, Resulting Numbers: [93, 34] Generated Node #0,2,2: 84:[93, 34] Operation: 49-15=34 Moving to Node #0,2,1 Current State: 84:[15, 44], Operations: ['61-12=49', '93-49=44'] Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,84 unequal: No Solution Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,84 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,84 unequal: No Solution Moving to Node #0,2,0 Current State: 84:[49, 78], Operations: ['61-12=49', '93-15=78'] Exploring Operation: 49*78=3822, Resulting Numbers: [3822] 3822,84 unequal: No Solution Exploring Operation: 78-49=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 49+78=127, Resulting Numbers: [127] 127,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[93, 34], Operations: ['61-12=49', '49-15=34'] Exploring Operation: 93*34=3162, Resulting Numbers: [3162] 3162,84 unequal: No Solution Exploring Operation: 93-34=59, Resulting Numbers: [59] 59,84 unequal: No Solution Exploring Operation: 93+34=127, Resulting Numbers: [127] 127,84 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
[ 45, 36, 22, 13 ]
45
[ "36-22=14", "14-13=1", "45*1=45" ]
Current State: 45:[45, 36, 22, 13], Operations: [] Exploring Operation: 36-22=14, Resulting Numbers: [45, 13, 14] Generated Node #2: [45, 13, 14] from Operation: 36-22=14 Current State: 45:[45, 13, 14], Operations: ['36-22=14'] Exploring Operation: 14-13=1, Resulting Numbers: [45, 1] Generated Node #3: [45, 1] from Operation: 14-13=1 Current State: 45:[45, 1], Operations: ['36-22=14', '14-13=1'] Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[45, 36, 22, 13], Operations: [] Exploring Operation: 45-36=9, Resulting Numbers: [22, 13, 9] Generated Node #0,0: 45:[22, 13, 9] Operation: 45-36=9 Exploring Operation: 36-22=14, Resulting Numbers: [45, 13, 14] Generated Node #0,1: 45:[45, 13, 14] Operation: 36-22=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[45, 13, 14], Operations: ['36-22=14'] Exploring Operation: 13+14=27, Resulting Numbers: [45, 27] Generated Node #0,1,0: 45:[45, 27] Operation: 13+14=27 Exploring Operation: 14-13=1, Resulting Numbers: [45, 1] Generated Node #0,1,1: 45:[45, 1] Operation: 14-13=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[45, 1], Operations: ['36-22=14', '14-13=1'] Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[45, 36, 22, 13], Operations: [] Exploring Operation: 36-22=14, Resulting Numbers: [45, 13, 14] Generated Node #0,1: 45:[45, 13, 14] Operation: 36-22=14 Moving to Node #0,1 Current State: 45:[45, 13, 14], Operations: ['36-22=14'] Exploring Operation: 14-13=1, Resulting Numbers: [45, 1] Generated Node #0,1,1: 45:[45, 1] Operation: 14-13=1 Moving to Node #0,1,1 Current State: 45:[45, 1], Operations: ['36-22=14', '14-13=1'] Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 89, 31, 65, 62 ]
61
[ "89-31=58", "65-62=3", "58+3=61" ]
Current State: 61:[89, 31, 65, 62], Operations: [] Exploring Operation: 89-31=58, Resulting Numbers: [65, 62, 58] Generated Node #2: [65, 62, 58] from Operation: 89-31=58 Current State: 61:[65, 62, 58], Operations: ['89-31=58'] Exploring Operation: 65-62=3, Resulting Numbers: [58, 3] Generated Node #3: [58, 3] from Operation: 65-62=3 Current State: 61:[58, 3], Operations: ['89-31=58', '65-62=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[89, 31, 65, 62], Operations: [] Exploring Operation: 31+65=96, Resulting Numbers: [89, 62, 96] Generated Node #0,0: 61:[89, 62, 96] Operation: 31+65=96 Exploring Operation: 89+31=120, Resulting Numbers: [65, 62, 120] Generated Node #0,1: 61:[65, 62, 120] Operation: 89+31=120 Exploring Operation: 89-31=58, Resulting Numbers: [65, 62, 58] Generated Node #0,2: 61:[65, 62, 58] Operation: 89-31=58 Exploring Operation: 65-31=34, Resulting Numbers: [89, 62, 34] Generated Node #0,3: 61:[89, 62, 34] Operation: 65-31=34 Exploring Operation: 62-31=31, Resulting Numbers: [89, 65, 31] Generated Node #0,4: 61:[89, 65, 31] Operation: 62-31=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[65, 62, 58], Operations: ['89-31=58'] Exploring Operation: 65-58=7, Resulting Numbers: [62, 7] Generated Node #0,2,0: 61:[62, 7] Operation: 65-58=7 Exploring Operation: 65-62=3, Resulting Numbers: [58, 3] Generated Node #0,2,1: 61:[58, 3] Operation: 65-62=3 Exploring Operation: 62-58=4, Resulting Numbers: [65, 4] Generated Node #0,2,2: 61:[65, 4] Operation: 62-58=4 Exploring Operation: 62+58=120, Resulting Numbers: [65, 120] Generated Node #0,2,3: 61:[65, 120] Operation: 62+58=120 Exploring Operation: 65+58=123, Resulting Numbers: [62, 123] Generated Node #0,2,4: 61:[62, 123] Operation: 65+58=123 Moving to Node #0,2,0 Current State: 61:[62, 7], Operations: ['89-31=58', '65-58=7'] Exploring Operation: 62+7=69, Resulting Numbers: [69] 69,61 unequal: No Solution Exploring Operation: 62*7=434, Resulting Numbers: [434] 434,61 unequal: No Solution Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[65, 4], Operations: ['89-31=58', '62-58=4'] Exploring Operation: 65*4=260, Resulting Numbers: [260] 260,61 unequal: No Solution Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[89, 31, 65, 62], Operations: [] Exploring Operation: 89-31=58, Resulting Numbers: [65, 62, 58] Generated Node #0,2: 61:[65, 62, 58] Operation: 89-31=58 Moving to Node #0,2 Current State: 61:[65, 62, 58], Operations: ['89-31=58'] Exploring Operation: 62-58=4, Resulting Numbers: [65, 4] Generated Node #0,2,2: 61:[65, 4] Operation: 62-58=4 Moving to Node #0,2,2 Current State: 61:[65, 4], Operations: ['89-31=58', '62-58=4'] Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 16, 22, 90, 68 ]
56
[ "16*90=1440", "22*68=1496", "1496-1440=56" ]
Current State: 56:[16, 22, 90, 68], Operations: [] Exploring Operation: 16*90=1440, Resulting Numbers: [22, 68, 1440] Generated Node #2: [22, 68, 1440] from Operation: 16*90=1440 Current State: 56:[22, 68, 1440], Operations: ['16*90=1440'] Exploring Operation: 22*68=1496, Resulting Numbers: [1440, 1496] Generated Node #3: [1440, 1496] from Operation: 22*68=1496 Current State: 56:[1440, 1496], Operations: ['16*90=1440', '22*68=1496'] Exploring Operation: 1496-1440=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[16, 22, 90, 68], Operations: [] Exploring Operation: 90-68=22, Resulting Numbers: [16, 22, 22] Generated Node #0,0: 56:[16, 22, 22] Operation: 90-68=22 Exploring Operation: 90-22=68, Resulting Numbers: [16, 68, 68] Generated Node #0,1: 56:[16, 68, 68] Operation: 90-22=68 Exploring Operation: 90-16=74, Resulting Numbers: [22, 68, 74] Generated Node #0,2: 56:[22, 68, 74] Operation: 90-16=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[16, 22, 22], Operations: ['90-68=22'] Exploring Operation: 22-22=0, Resulting Numbers: [16, 0] Generated Node #0,0,0: 56:[16, 0] Operation: 22-22=0 Exploring Operation: 22/22=1, Resulting Numbers: [16, 1] Generated Node #0,0,1: 56:[16, 1] Operation: 22/22=1 Exploring Operation: 22-16=6, Resulting Numbers: [22, 6] Generated Node #0,0,2: 56:[22, 6] Operation: 22-16=6 Moving to Node #0,0,1 Current State: 56:[16, 1], Operations: ['90-68=22', '22/22=1'] Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[16, 0], Operations: ['90-68=22', '22-22=0'] Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,56 unequal: No Solution Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[22, 6], Operations: ['90-68=22', '22-16=6'] Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,56 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[16, 68, 68], Operations: ['90-22=68'] Exploring Operation: 68-68=0, Resulting Numbers: [16, 0] Generated Node #0,1,0: 56:[16, 0] Operation: 68-68=0 Exploring Operation: 68/68=1, Resulting Numbers: [16, 1] Generated Node #0,1,1: 56:[16, 1] Operation: 68/68=1 Exploring Operation: 68-16=52, Resulting Numbers: [68, 52] Generated Node #0,1,2: 56:[68, 52] Operation: 68-16=52 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 56:[16, 1], Operations: ['90-22=68', '68/68=1'] Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,56 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 #0,1,0 Current State: 56:[16, 0], Operations: ['90-22=68', '68-68=0'] Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,56 unequal: No Solution Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,56 unequal: No Solution Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,56 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:[68, 52], Operations: ['90-22=68', '68-16=52'] Exploring Operation: 68+52=120, Resulting Numbers: [120] 120,56 unequal: No Solution Exploring Operation: 68*52=3536, Resulting Numbers: [3536] 3536,56 unequal: No Solution Exploring Operation: 68-52=16, Resulting Numbers: [16] 16,56 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 #0,2 Current State: 56:[22, 68, 74], Operations: ['90-16=74'] Exploring Operation: 68-22=46, Resulting Numbers: [74, 46] Generated Node #0,2,0: 56:[74, 46] Operation: 68-22=46 Exploring Operation: 74-68=6, Resulting Numbers: [22, 6] Generated Node #0,2,1: 56:[22, 6] Operation: 74-68=6 Exploring Operation: 74-22=52, Resulting Numbers: [68, 52] Generated Node #0,2,2: 56:[68, 52] Operation: 74-22=52 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 56:[22, 6], Operations: ['90-16=74', '74-68=6'] Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,56 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,56 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 #0,2,2 Current State: 56:[68, 52], Operations: ['90-16=74', '74-22=52'] Exploring Operation: 68+52=120, Resulting Numbers: [120] 120,56 unequal: No Solution Exploring Operation: 68*52=3536, Resulting Numbers: [3536] 3536,56 unequal: No Solution Exploring Operation: 68-52=16, Resulting Numbers: [16] 16,56 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 #0,2,0 Current State: 56:[74, 46], Operations: ['90-16=74', '68-22=46'] Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 74+46=120, Resulting Numbers: [120] 120,56 unequal: No Solution Exploring Operation: 74*46=3404, Resulting Numbers: [3404] 3404,56 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 No solution found.
0
hs_3
mult_heuristic
[ 38, 6, 60, 51 ]
23
[ "38-6=32", "60-51=9", "32-9=23" ]
Current State: 23:[38, 6, 60, 51], Operations: [] Exploring Operation: 38-6=32, Resulting Numbers: [60, 51, 32] Generated Node #2: [60, 51, 32] from Operation: 38-6=32 Current State: 23:[60, 51, 32], Operations: ['38-6=32'] Exploring Operation: 60-51=9, Resulting Numbers: [32, 9] Generated Node #3: [32, 9] from Operation: 60-51=9 Current State: 23:[32, 9], Operations: ['38-6=32', '60-51=9'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[38, 6, 60, 51], Operations: [] Exploring Operation: 60-38=22, Resulting Numbers: [6, 51, 22] Generated Node #0,0: 23:[6, 51, 22] Operation: 60-38=22 Exploring Operation: 60-51=9, Resulting Numbers: [38, 6, 9] Generated Node #0,1: 23:[38, 6, 9] Operation: 60-51=9 Exploring Operation: 60/6=10, Resulting Numbers: [38, 51, 10] Generated Node #0,2: 23:[38, 51, 10] Operation: 60/6=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[6, 51, 22], Operations: ['60-38=22'] Exploring Operation: 6+22=28, Resulting Numbers: [51, 28] Generated Node #0,0,0: 23:[51, 28] Operation: 6+22=28 Exploring Operation: 51-6=45, Resulting Numbers: [22, 45] Generated Node #0,0,1: 23:[22, 45] Operation: 51-6=45 Exploring Operation: 51-22=29, Resulting Numbers: [6, 29] Generated Node #0,0,2: 23:[6, 29] Operation: 51-22=29 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[22, 45], Operations: ['60-38=22', '51-6=45'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[38, 6, 60, 51], Operations: [] Exploring Operation: 60-38=22, Resulting Numbers: [6, 51, 22] Generated Node #0,0: 23:[6, 51, 22] Operation: 60-38=22 Moving to Node #0,0 Current State: 23:[6, 51, 22], Operations: ['60-38=22'] Exploring Operation: 51-6=45, Resulting Numbers: [22, 45] Generated Node #0,0,1: 23:[22, 45] Operation: 51-6=45 Moving to Node #0,0,1 Current State: 23:[22, 45], Operations: ['60-38=22', '51-6=45'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 9, 19, 54, 22 ]
92
[ "54/9=6", "19*6=114", "114-22=92" ]
Current State: 92:[9, 19, 54, 22], Operations: [] Exploring Operation: 54/9=6, Resulting Numbers: [19, 22, 6] Generated Node #2: [19, 22, 6] from Operation: 54/9=6 Current State: 92:[19, 22, 6], Operations: ['54/9=6'] Exploring Operation: 19*6=114, Resulting Numbers: [22, 114] Generated Node #3: [22, 114] from Operation: 19*6=114 Current State: 92:[22, 114], Operations: ['54/9=6', '19*6=114'] Exploring Operation: 114-22=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[9, 19, 54, 22], Operations: [] Exploring Operation: 54-9=45, Resulting Numbers: [19, 22, 45] Generated Node #0,0: 92:[19, 22, 45] Operation: 54-9=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[19, 22, 45], Operations: ['54-9=45'] Exploring Operation: 22-19=3, Resulting Numbers: [45, 3] Generated Node #0,0,0: 92:[45, 3] Operation: 22-19=3 Moving to Node #0,0,0 Current State: 92:[45, 3], Operations: ['54-9=45', '22-19=3'] Exploring Operation: 45+3=48, Resulting Numbers: [48] 48,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 8, 96, 32, 37 ]
13
[ "8*96=768", "768/32=24", "37-24=13" ]
Current State: 13:[8, 96, 32, 37], Operations: [] Exploring Operation: 8*96=768, Resulting Numbers: [32, 37, 768] Generated Node #2: [32, 37, 768] from Operation: 8*96=768 Current State: 13:[32, 37, 768], Operations: ['8*96=768'] Exploring Operation: 768/32=24, Resulting Numbers: [37, 24] Generated Node #3: [37, 24] from Operation: 768/32=24 Current State: 13:[37, 24], Operations: ['8*96=768', '768/32=24'] Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[8, 96, 32, 37], Operations: [] Exploring Operation: 96/8=12, Resulting Numbers: [32, 37, 12] Generated Node #0,0: 13:[32, 37, 12] Operation: 96/8=12 Exploring Operation: 96-37=59, Resulting Numbers: [8, 32, 59] Generated Node #0,1: 13:[8, 32, 59] Operation: 96-37=59 Exploring Operation: 96/32=3, Resulting Numbers: [8, 37, 3] Generated Node #0,2: 13:[8, 37, 3] Operation: 96/32=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[8, 37, 3], Operations: ['96/32=3'] Exploring Operation: 37-3=34, Resulting Numbers: [8, 34] Generated Node #0,2,0: 13:[8, 34] Operation: 37-3=34 Exploring Operation: 8+3=11, Resulting Numbers: [37, 11] Generated Node #0,2,1: 13:[37, 11] Operation: 8+3=11 Exploring Operation: 37-8=29, Resulting Numbers: [3, 29] Generated Node #0,2,2: 13:[3, 29] Operation: 37-8=29 Moving to Node #0,2,0 Current State: 13:[8, 34], Operations: ['96/32=3', '37-3=34'] Exploring Operation: 8+34=42, Resulting Numbers: [42] 42,13 unequal: No Solution Exploring Operation: 8*34=272, Resulting Numbers: [272] 272,13 unequal: No Solution Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,13 unequal: No Solution Moving to Node #0,2,1 Current State: 13:[37, 11], Operations: ['96/32=3', '8+3=11'] Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,13 unequal: No Solution Exploring Operation: 37*11=407, Resulting Numbers: [407] 407,13 unequal: No Solution Exploring Operation: 37+11=48, Resulting Numbers: [48] 48,13 unequal: No Solution Moving to Node #0,2,2 Current State: 13:[3, 29], Operations: ['96/32=3', '37-8=29'] Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,13 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,13 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[32, 37, 12], Operations: ['96/8=12'] Exploring Operation: 37-12=25, Resulting Numbers: [32, 25] Generated Node #0,0,0: 13:[32, 25] Operation: 37-12=25 Exploring Operation: 37-32=5, Resulting Numbers: [12, 5] Generated Node #0,0,1: 13:[12, 5] Operation: 37-32=5 Exploring Operation: 32-12=20, Resulting Numbers: [37, 20] Generated Node #0,0,2: 13:[37, 20] Operation: 32-12=20 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 13:[12, 5], Operations: ['96/8=12', '37-32=5'] Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,13 unequal: No Solution No 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: 13:[32, 25], Operations: ['96/8=12', '37-12=25'] Exploring Operation: 32*25=800, Resulting Numbers: [800] 800,13 unequal: No Solution Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 32+25=57, Resulting Numbers: [57] 57,13 unequal: No Solution No 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: 13:[37, 20], Operations: ['96/8=12', '32-12=20'] Exploring Operation: 37*20=740, Resulting Numbers: [740] 740,13 unequal: No Solution Exploring Operation: 37+20=57, Resulting Numbers: [57] 57,13 unequal: No Solution Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,13 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: 13:[8, 32, 59], Operations: ['96-37=59'] Exploring Operation: 59-32=27, Resulting Numbers: [8, 27] Generated Node #0,1,0: 13:[8, 27] Operation: 59-32=27 Exploring Operation: 32-8=24, Resulting Numbers: [59, 24] Generated Node #0,1,1: 13:[59, 24] Operation: 32-8=24 Exploring Operation: 32/8=4, Resulting Numbers: [59, 4] Generated Node #0,1,2: 13:[59, 4] Operation: 32/8=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 13:[8, 27], Operations: ['96-37=59', '59-32=27'] Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,13 unequal: No Solution Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,13 unequal: No Solution Exploring Operation: 8*27=216, Resulting Numbers: [216] 216,13 unequal: No Solution No 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: 13:[59, 4], Operations: ['96-37=59', '32/8=4'] Exploring Operation: 59+4=63, Resulting Numbers: [63] 63,13 unequal: No Solution Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,13 unequal: No Solution Exploring Operation: 59*4=236, Resulting Numbers: [236] 236,13 unequal: No Solution No 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: 13:[59, 24], Operations: ['96-37=59', '32-8=24'] Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,13 unequal: No Solution Exploring Operation: 59*24=1416, Resulting Numbers: [1416] 1416,13 unequal: No Solution Exploring Operation: 59+24=83, Resulting Numbers: [83] 83,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 69, 63, 45, 3 ]
43
[ "69-63=6", "6/3=2", "45-2=43" ]
Current State: 43:[69, 63, 45, 3], Operations: [] Exploring Operation: 69-63=6, Resulting Numbers: [45, 3, 6] Generated Node #2: [45, 3, 6] from Operation: 69-63=6 Current State: 43:[45, 3, 6], Operations: ['69-63=6'] Exploring Operation: 6/3=2, Resulting Numbers: [45, 2] Generated Node #3: [45, 2] from Operation: 6/3=2 Current State: 43:[45, 2], Operations: ['69-63=6', '6/3=2'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[69, 63, 45, 3], Operations: [] Exploring Operation: 69-3=66, Resulting Numbers: [63, 45, 66] Generated Node #0,0: 43:[63, 45, 66] Operation: 69-3=66 Exploring Operation: 69/3=23, Resulting Numbers: [63, 45, 23] Generated Node #0,1: 43:[63, 45, 23] Operation: 69/3=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[63, 45, 23], Operations: ['69/3=23'] Exploring Operation: 63-23=40, Resulting Numbers: [45, 40] Generated Node #0,1,0: 43:[45, 40] Operation: 63-23=40 Exploring Operation: 45-23=22, Resulting Numbers: [63, 22] Generated Node #0,1,1: 43:[63, 22] Operation: 45-23=22 Moving to Node #0,1,0 Current State: 43:[45, 40], Operations: ['69/3=23', '63-23=40'] Exploring Operation: 45-40=5, Resulting Numbers: [5] 5,43 unequal: No Solution Exploring Operation: 45+40=85, Resulting Numbers: [85] 85,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[63, 22], Operations: ['69/3=23', '45-23=22'] Exploring Operation: 63+22=85, Resulting Numbers: [85] 85,43 unequal: No Solution Exploring Operation: 63-22=41, Resulting Numbers: [41] 41,43 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 Current State: 43:[63, 45, 66], Operations: ['69-3=66'] Exploring Operation: 66-45=21, Resulting Numbers: [63, 21] Generated Node #0,0,0: 43:[63, 21] Operation: 66-45=21 Exploring Operation: 66-63=3, Resulting Numbers: [45, 3] Generated Node #0,0,1: 43:[45, 3] Operation: 66-63=3 Moving to Node #0,0,0 Current State: 43:[63, 21], Operations: ['69-3=66', '66-45=21'] Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,43 unequal: No Solution Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[45, 3], Operations: ['69-3=66', '66-63=3'] Exploring Operation: 45+3=48, Resulting Numbers: [48] 48,43 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 17, 10, 21, 38 ]
10
[ "17+10=27", "38-21=17", "27-17=10" ]
Current State: 10:[17, 10, 21, 38], Operations: [] Exploring Operation: 17+10=27, Resulting Numbers: [21, 38, 27] Generated Node #2: [21, 38, 27] from Operation: 17+10=27 Current State: 10:[21, 38, 27], Operations: ['17+10=27'] Exploring Operation: 38-21=17, Resulting Numbers: [27, 17] Generated Node #3: [27, 17] from Operation: 38-21=17 Current State: 10:[27, 17], Operations: ['17+10=27', '38-21=17'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[17, 10, 21, 38], Operations: [] Exploring Operation: 38-21=17, Resulting Numbers: [17, 10, 17] Generated Node #0,0: 10:[17, 10, 17] Operation: 38-21=17 Exploring Operation: 38-17=21, Resulting Numbers: [10, 21, 21] Generated Node #0,1: 10:[10, 21, 21] Operation: 38-17=21 Exploring Operation: 21-17=4, Resulting Numbers: [10, 38, 4] Generated Node #0,2: 10:[10, 38, 4] Operation: 21-17=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[17, 10, 17], Operations: ['38-21=17'] Exploring Operation: 17-17=0, Resulting Numbers: [10, 0] Generated Node #0,0,0: 10:[10, 0] Operation: 17-17=0 Exploring Operation: 17/17=1, Resulting Numbers: [10, 1] Generated Node #0,0,1: 10:[10, 1] Operation: 17/17=1 Exploring Operation: 17-10=7, Resulting Numbers: [17, 7] Generated Node #0,0,2: 10:[17, 7] Operation: 17-10=7 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 10:[10, 1], Operations: ['38-21=17', '17/17=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[17, 10, 21, 38], Operations: [] Exploring Operation: 38-21=17, Resulting Numbers: [17, 10, 17] Generated Node #0,0: 10:[17, 10, 17] Operation: 38-21=17 Moving to Node #0,0 Current State: 10:[17, 10, 17], Operations: ['38-21=17'] Exploring Operation: 17/17=1, Resulting Numbers: [10, 1] Generated Node #0,0,1: 10:[10, 1] Operation: 17/17=1 Moving to Node #0,0,1 Current State: 10:[10, 1], Operations: ['38-21=17', '17/17=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 91, 2, 31, 33 ]
95
[ "91+2=93", "33-31=2", "93+2=95" ]
Current State: 95:[91, 2, 31, 33], Operations: [] Exploring Operation: 91+2=93, Resulting Numbers: [31, 33, 93] Generated Node #2: [31, 33, 93] from Operation: 91+2=93 Current State: 95:[31, 33, 93], Operations: ['91+2=93'] Exploring Operation: 33-31=2, Resulting Numbers: [93, 2] Generated Node #3: [93, 2] from Operation: 33-31=2 Current State: 95:[93, 2], Operations: ['91+2=93', '33-31=2'] Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[91, 2, 31, 33], Operations: [] Exploring Operation: 91+2=93, Resulting Numbers: [31, 33, 93] Generated Node #0,0: 95:[31, 33, 93] Operation: 91+2=93 Exploring Operation: 33-31=2, Resulting Numbers: [91, 2, 2] Generated Node #0,1: 95:[91, 2, 2] Operation: 33-31=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[91, 2, 2], Operations: ['33-31=2'] Exploring Operation: 91+2=93, Resulting Numbers: [2, 93] Generated Node #0,1,0: 95:[2, 93] Operation: 91+2=93 Exploring Operation: 91+2=93, Resulting Numbers: [2, 93] Generated Node #0,1,1: 95:[2, 93] Operation: 91+2=93 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 95:[2, 93], Operations: ['33-31=2', '91+2=93'] Exploring Operation: 2+93=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[91, 2, 31, 33], Operations: [] Exploring Operation: 33-31=2, Resulting Numbers: [91, 2, 2] Generated Node #0,1: 95:[91, 2, 2] Operation: 33-31=2 Moving to Node #0,1 Current State: 95:[91, 2, 2], Operations: ['33-31=2'] Exploring Operation: 91+2=93, Resulting Numbers: [2, 93] Generated Node #0,1,0: 95:[2, 93] Operation: 91+2=93 Moving to Node #0,1,0 Current State: 95:[2, 93], Operations: ['33-31=2', '91+2=93'] Exploring Operation: 2+93=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 5, 24, 96, 61 ]
17
[ "96-61=35", "35/5=7", "24-7=17" ]
Current State: 17:[5, 24, 96, 61], Operations: [] Exploring Operation: 96-61=35, Resulting Numbers: [5, 24, 35] Generated Node #2: [5, 24, 35] from Operation: 96-61=35 Current State: 17:[5, 24, 35], Operations: ['96-61=35'] Exploring Operation: 35/5=7, Resulting Numbers: [24, 7] Generated Node #3: [24, 7] from Operation: 35/5=7 Current State: 17:[24, 7], Operations: ['96-61=35', '35/5=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[5, 24, 96, 61], Operations: [] Exploring Operation: 96-61=35, Resulting Numbers: [5, 24, 35] Generated Node #0,0: 17:[5, 24, 35] Operation: 96-61=35 Exploring Operation: 96-24=72, Resulting Numbers: [5, 61, 72] Generated Node #0,1: 17:[5, 61, 72] Operation: 96-24=72 Exploring Operation: 96/24=4, Resulting Numbers: [5, 61, 4] Generated Node #0,2: 17:[5, 61, 4] Operation: 96/24=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[5, 24, 35], Operations: ['96-61=35'] Exploring Operation: 35/5=7, Resulting Numbers: [24, 7] Generated Node #0,0,0: 17:[24, 7] Operation: 35/5=7 Exploring Operation: 24-5=19, Resulting Numbers: [35, 19] Generated Node #0,0,1: 17:[35, 19] Operation: 24-5=19 Exploring Operation: 35-24=11, Resulting Numbers: [5, 11] Generated Node #0,0,2: 17:[5, 11] Operation: 35-24=11 Moving to Node #0,0,0 Current State: 17:[24, 7], Operations: ['96-61=35', '35/5=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:[5, 24, 96, 61], Operations: [] Exploring Operation: 96-61=35, Resulting Numbers: [5, 24, 35] Generated Node #0,0: 17:[5, 24, 35] Operation: 96-61=35 Moving to Node #0,0 Current State: 17:[5, 24, 35], Operations: ['96-61=35'] Exploring Operation: 35/5=7, Resulting Numbers: [24, 7] Generated Node #0,0,0: 17:[24, 7] Operation: 35/5=7 Moving to Node #0,0,0 Current State: 17:[24, 7], Operations: ['96-61=35', '35/5=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 66, 14, 79, 60 ]
99
[ "66+14=80", "79-60=19", "80+19=99" ]
Current State: 99:[66, 14, 79, 60], Operations: [] Exploring Operation: 66+14=80, Resulting Numbers: [79, 60, 80] Generated Node #2: [79, 60, 80] from Operation: 66+14=80 Current State: 99:[79, 60, 80], Operations: ['66+14=80'] Exploring Operation: 79-60=19, Resulting Numbers: [80, 19] Generated Node #3: [80, 19] from Operation: 79-60=19 Current State: 99:[80, 19], Operations: ['66+14=80', '79-60=19'] Exploring Operation: 80+19=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[66, 14, 79, 60], Operations: [] Exploring Operation: 66-60=6, Resulting Numbers: [14, 79, 6] Generated Node #0,0: 99:[14, 79, 6] Operation: 66-60=6 Exploring Operation: 79-66=13, Resulting Numbers: [14, 60, 13] Generated Node #0,1: 99:[14, 60, 13] Operation: 79-66=13 Moving to Node #0,0 Current State: 99:[14, 79, 6], Operations: ['66-60=6'] Exploring Operation: 79+6=85, Resulting Numbers: [14, 85] Generated Node #0,0,0: 99:[14, 85] Operation: 79+6=85 Exploring Operation: 14+79=93, Resulting Numbers: [6, 93] Generated Node #0,0,1: 99:[6, 93] Operation: 14+79=93 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[6, 93], Operations: ['66-60=6', '14+79=93'] Exploring Operation: 6+93=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[66, 14, 79, 60], Operations: [] Exploring Operation: 66-60=6, Resulting Numbers: [14, 79, 6] Generated Node #0,0: 99:[14, 79, 6] Operation: 66-60=6 Moving to Node #0,0 Current State: 99:[14, 79, 6], Operations: ['66-60=6'] Exploring Operation: 14+79=93, Resulting Numbers: [6, 93] Generated Node #0,0,1: 99:[6, 93] Operation: 14+79=93 Moving to Node #0,0,1 Current State: 99:[6, 93], Operations: ['66-60=6', '14+79=93'] Exploring Operation: 6+93=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 27, 2, 92, 43 ]
60
[ "43-27=16", "2*16=32", "92-32=60" ]
Current State: 60:[27, 2, 92, 43], Operations: [] Exploring Operation: 43-27=16, Resulting Numbers: [2, 92, 16] Generated Node #2: [2, 92, 16] from Operation: 43-27=16 Current State: 60:[2, 92, 16], Operations: ['43-27=16'] Exploring Operation: 2*16=32, Resulting Numbers: [92, 32] Generated Node #3: [92, 32] from Operation: 2*16=32 Current State: 60:[92, 32], Operations: ['43-27=16', '2*16=32'] Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[27, 2, 92, 43], Operations: [] Exploring Operation: 92-27=65, Resulting Numbers: [2, 43, 65] Generated Node #0,0: 60:[2, 43, 65] Operation: 92-27=65 Exploring Operation: 92-43=49, Resulting Numbers: [27, 2, 49] Generated Node #0,1: 60:[27, 2, 49] Operation: 92-43=49 Exploring Operation: 92/2=46, Resulting Numbers: [27, 43, 46] Generated Node #0,2: 60:[27, 43, 46] Operation: 92/2=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[27, 2, 49], Operations: ['92-43=49'] Exploring Operation: 27+2=29, Resulting Numbers: [49, 29] Generated Node #0,1,0: 60:[49, 29] Operation: 27+2=29 Exploring Operation: 49-27=22, Resulting Numbers: [2, 22] Generated Node #0,1,1: 60:[2, 22] Operation: 49-27=22 Exploring Operation: 2+49=51, Resulting Numbers: [27, 51] Generated Node #0,1,2: 60:[27, 51] Operation: 2+49=51 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 60:[2, 22], Operations: ['92-43=49', '49-27=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,60 unequal: No Solution No 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: 60:[49, 29], Operations: ['92-43=49', '27+2=29'] Exploring Operation: 49+29=78, Resulting Numbers: [78] 78,60 unequal: No Solution Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 49*29=1421, Resulting Numbers: [1421] 1421,60 unequal: No Solution No 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: 60:[27, 51], Operations: ['92-43=49', '2+49=51'] Exploring Operation: 51-27=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 27+51=78, Resulting Numbers: [78] 78,60 unequal: No Solution Exploring Operation: 27*51=1377, Resulting Numbers: [1377] 1377,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[2, 43, 65], Operations: ['92-27=65'] Exploring Operation: 65-43=22, Resulting Numbers: [2, 22] Generated Node #0,0,0: 60:[2, 22] Operation: 65-43=22 Exploring Operation: 43-2=41, Resulting Numbers: [65, 41] Generated Node #0,0,1: 60:[65, 41] Operation: 43-2=41 Exploring Operation: 65-2=63, Resulting Numbers: [43, 63] Generated Node #0,0,2: 60:[43, 63] Operation: 65-2=63 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[2, 22], Operations: ['92-27=65', '65-43=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,60 unequal: No Solution No 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: 60:[65, 41], Operations: ['92-27=65', '43-2=41'] Exploring Operation: 65+41=106, Resulting Numbers: [106] 106,60 unequal: No Solution Exploring Operation: 65-41=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 65*41=2665, Resulting Numbers: [2665] 2665,60 unequal: No Solution No 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: 60:[43, 63], Operations: ['92-27=65', '65-2=63'] Exploring Operation: 63-43=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 43+63=106, Resulting Numbers: [106] 106,60 unequal: No Solution Exploring Operation: 43*63=2709, Resulting Numbers: [2709] 2709,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[27, 43, 46], Operations: ['92/2=46'] Exploring Operation: 46-27=19, Resulting Numbers: [43, 19] Generated Node #0,2,0: 60:[43, 19] Operation: 46-27=19 Exploring Operation: 43-27=16, Resulting Numbers: [46, 16] Generated Node #0,2,1: 60:[46, 16] Operation: 43-27=16 Exploring Operation: 46-43=3, Resulting Numbers: [27, 3] Generated Node #0,2,2: 60:[27, 3] Operation: 46-43=3 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 60:[27, 3], Operations: ['92/2=46', '46-43=3'] Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,60 unequal: No Solution No 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: 60:[43, 19], Operations: ['92/2=46', '46-27=19'] Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,60 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 43*19=817, Resulting Numbers: [817] 817,60 unequal: No Solution No 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: 60:[46, 16], Operations: ['92/2=46', '43-27=16'] Exploring Operation: 46+16=62, Resulting Numbers: [62] 62,60 unequal: No Solution Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 46*16=736, Resulting Numbers: [736] 736,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 5, 39, 9, 41 ]
23
[ "41-39=2", "9*2=18", "5+18=23" ]
Current State: 23:[5, 39, 9, 41], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [5, 9, 2] Generated Node #2: [5, 9, 2] from Operation: 41-39=2 Current State: 23:[5, 9, 2], Operations: ['41-39=2'] Exploring Operation: 9*2=18, Resulting Numbers: [5, 18] Generated Node #3: [5, 18] from Operation: 9*2=18 Current State: 23:[5, 18], Operations: ['41-39=2', '9*2=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[5, 39, 9, 41], Operations: [] Exploring Operation: 41-9=32, Resulting Numbers: [5, 39, 32] Generated Node #0,0: 23:[5, 39, 32] Operation: 41-9=32 Exploring Operation: 39-5=34, Resulting Numbers: [9, 41, 34] Generated Node #0,1: 23:[9, 41, 34] Operation: 39-5=34 Exploring Operation: 5+9=14, Resulting Numbers: [39, 41, 14] Generated Node #0,2: 23:[39, 41, 14] Operation: 5+9=14 Exploring Operation: 41-5=36, Resulting Numbers: [39, 9, 36] Generated Node #0,3: 23:[39, 9, 36] Operation: 41-5=36 Exploring Operation: 39-9=30, Resulting Numbers: [5, 41, 30] Generated Node #0,4: 23:[5, 41, 30] Operation: 39-9=30 Moving to Node #0,0 Current State: 23:[5, 39, 32], Operations: ['41-9=32'] Exploring Operation: 5+32=37, Resulting Numbers: [39, 37] Generated Node #0,0,0: 23:[39, 37] Operation: 5+32=37 Exploring Operation: 32-5=27, Resulting Numbers: [39, 27] Generated Node #0,0,1: 23:[39, 27] Operation: 32-5=27 Exploring Operation: 5+39=44, Resulting Numbers: [32, 44] Generated Node #0,0,2: 23:[32, 44] Operation: 5+39=44 Exploring Operation: 39-32=7, Resulting Numbers: [5, 7] Generated Node #0,0,3: 23:[5, 7] Operation: 39-32=7 Exploring Operation: 39-5=34, Resulting Numbers: [32, 34] Generated Node #0,0,4: 23:[32, 34] Operation: 39-5=34 Moving to Node #0,2 Current State: 23:[39, 41, 14], Operations: ['5+9=14'] Exploring Operation: 41-39=2, Resulting Numbers: [14, 2] Generated Node #0,2,0: 23:[14, 2] Operation: 41-39=2 Exploring Operation: 39-14=25, Resulting Numbers: [41, 25] Generated Node #0,2,1: 23:[41, 25] Operation: 39-14=25 Exploring Operation: 41+14=55, Resulting Numbers: [39, 55] Generated Node #0,2,2: 23:[39, 55] Operation: 41+14=55 Exploring Operation: 41-14=27, Resulting Numbers: [39, 27] Generated Node #0,2,3: 23:[39, 27] Operation: 41-14=27 Exploring Operation: 39+14=53, Resulting Numbers: [41, 53] Generated Node #0,2,4: 23:[41, 53] Operation: 39+14=53 Moving to Node #0,4 Current State: 23:[5, 41, 30], Operations: ['39-9=30'] Exploring Operation: 41-30=11, Resulting Numbers: [5, 11] Generated Node #0,4,0: 23:[5, 11] Operation: 41-30=11 Exploring Operation: 5+41=46, Resulting Numbers: [30, 46] Generated Node #0,4,1: 23:[30, 46] Operation: 5+41=46 Exploring Operation: 5+30=35, Resulting Numbers: [41, 35] Generated Node #0,4,2: 23:[41, 35] Operation: 5+30=35 Exploring Operation: 30-5=25, Resulting Numbers: [41, 25] Generated Node #0,4,3: 23:[41, 25] Operation: 30-5=25 Exploring Operation: 41-5=36, Resulting Numbers: [30, 36] Generated Node #0,4,4: 23:[30, 36] Operation: 41-5=36 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 23:[41, 25], Operations: ['39-9=30', '30-5=25'] Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,23 unequal: No Solution Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 23:[30, 36], Operations: ['39-9=30', '41-5=36'] Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 30*36=1080, Resulting Numbers: [1080] 1080,23 unequal: No Solution Exploring Operation: 30+36=66, Resulting Numbers: [66] 66,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 23:[5, 11], Operations: ['39-9=30', '41-30=11'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 23:[30, 46], Operations: ['39-9=30', '5+41=46'] Exploring Operation: 30*46=1380, Resulting Numbers: [1380] 1380,23 unequal: No Solution Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 23:[41, 35], Operations: ['39-9=30', '5+30=35'] Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,23 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,23 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: 23:[9, 41, 34], Operations: ['39-5=34'] Exploring Operation: 34-9=25, Resulting Numbers: [41, 25] Generated Node #0,1,0: 23:[41, 25] Operation: 34-9=25 Exploring Operation: 9+41=50, Resulting Numbers: [34, 50] Generated Node #0,1,1: 23:[34, 50] Operation: 9+41=50 Exploring Operation: 9+34=43, Resulting Numbers: [41, 43] Generated Node #0,1,2: 23:[41, 43] Operation: 9+34=43 Exploring Operation: 41-9=32, Resulting Numbers: [34, 32] Generated Node #0,1,3: 23:[34, 32] Operation: 41-9=32 Exploring Operation: 41-34=7, Resulting Numbers: [9, 7] Generated Node #0,1,4: 23:[9, 7] Operation: 41-34=7 Moving to Node #0,3 Current State: 23:[39, 9, 36], Operations: ['41-5=36'] Exploring Operation: 39-9=30, Resulting Numbers: [36, 30] Generated Node #0,3,0: 23:[36, 30] Operation: 39-9=30 Exploring Operation: 39-36=3, Resulting Numbers: [9, 3] Generated Node #0,3,1: 23:[9, 3] Operation: 39-36=3 Exploring Operation: 36/9=4, Resulting Numbers: [39, 4] Generated Node #0,3,2: 23:[39, 4] Operation: 36/9=4 Exploring Operation: 36-9=27, Resulting Numbers: [39, 27] Generated Node #0,3,3: 23:[39, 27] Operation: 36-9=27 Exploring Operation: 39+9=48, Resulting Numbers: [36, 48] Generated Node #0,3,4: 23:[36, 48] Operation: 39+9=48 Moving to Node #0,0,1 Current State: 23:[39, 27], Operations: ['41-9=32', '32-5=27'] Exploring Operation: 39+27=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 39*27=1053, Resulting Numbers: [1053] 1053,23 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[41, 25], Operations: ['5+9=14', '39-14=25'] Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,23 unequal: No Solution Moving to Node #0,2,3 Current State: 23:[39, 27], Operations: ['5+9=14', '41-14=27'] Exploring Operation: 39*27=1053, Resulting Numbers: [1053] 1053,23 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 39+27=66, Resulting Numbers: [66] 66,23 unequal: No Solution Moving to Node #0,1,3 Current State: 23:[34, 32], Operations: ['39-5=34', '41-9=32'] Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 34*32=1088, Resulting Numbers: [1088] 1088,23 unequal: No Solution Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,23 unequal: No Solution Moving to Node #0,0,4 Current State: 23:[32, 34], Operations: ['41-9=32', '39-5=34'] Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[41, 25], Operations: ['39-5=34', '34-9=25'] Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[36, 30], Operations: ['41-5=36', '39-9=30'] Exploring Operation: 36+30=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 36*30=1080, Resulting Numbers: [1080] 1080,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[39, 27], Operations: ['41-5=36', '36-9=27'] Exploring Operation: 39*27=1053, Resulting Numbers: [1053] 1053,23 unequal: No Solution Exploring Operation: 39+27=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,23 unequal: No Solution Moving to Node #0,1,4 Current State: 23:[9, 7], Operations: ['39-5=34', '41-34=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[39, 37], Operations: ['41-9=32', '5+32=37'] Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 39*37=1443, Resulting Numbers: [1443] 1443,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[32, 44], Operations: ['41-9=32', '5+39=44'] Exploring Operation: 32*44=1408, Resulting Numbers: [1408] 1408,23 unequal: No Solution Exploring Operation: 32+44=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[14, 2], Operations: ['5+9=14', '41-39=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,23 unequal: No Solution Moving to Node #0,0,3 Current State: 23:[5, 7], Operations: ['41-9=32', '39-32=7'] Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,23 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,23 unequal: No Solution Moving to Node #0,3,1 Current State: 23:[9, 3], Operations: ['41-5=36', '39-36=3'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,23 unequal: No Solution Moving to Node #0,3,2 Current State: 23:[39, 4], Operations: ['41-5=36', '36/9=4'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,23 unequal: No Solution Exploring Operation: 39*4=156, Resulting Numbers: [156] 156,23 unequal: No Solution Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[41, 43], Operations: ['39-5=34', '9+34=43'] Exploring Operation: 41*43=1763, Resulting Numbers: [1763] 1763,23 unequal: No Solution Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,23 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,23 unequal: No Solution Moving to Node #0,3,4 Current State: 23:[36, 48], Operations: ['41-5=36', '39+9=48'] Exploring Operation: 48-36=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 36*48=1728, Resulting Numbers: [1728] 1728,23 unequal: No Solution Exploring Operation: 36+48=84, Resulting Numbers: [84] 84,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[34, 50], Operations: ['39-5=34', '9+41=50'] Exploring Operation: 34*50=1700, Resulting Numbers: [1700] 1700,23 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 34+50=84, Resulting Numbers: [84] 84,23 unequal: No Solution Moving to Node #0,2,4 Current State: 23:[41, 53], Operations: ['5+9=14', '39+14=53'] Exploring Operation: 41+53=94, Resulting Numbers: [94] 94,23 unequal: No Solution Exploring Operation: 53-41=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 41*53=2173, Resulting Numbers: [2173] 2173,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[39, 55], Operations: ['5+9=14', '41+14=55'] Exploring Operation: 39*55=2145, Resulting Numbers: [2145] 2145,23 unequal: No Solution Exploring Operation: 55-39=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 39+55=94, Resulting Numbers: [94] 94,23 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 9, 70, 55, 55 ]
61
[ "70-9=61", "55-55=0", "61+0=61" ]
Current State: 61:[9, 70, 55, 55], Operations: [] Exploring Operation: 70-9=61, Resulting Numbers: [55, 55, 61] Generated Node #2: [55, 55, 61] from Operation: 70-9=61 Current State: 61:[55, 55, 61], Operations: ['70-9=61'] Exploring Operation: 55-55=0, Resulting Numbers: [61, 0] Generated Node #3: [61, 0] from Operation: 55-55=0 Current State: 61:[61, 0], Operations: ['70-9=61', '55-55=0'] Exploring Operation: 61+0=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[9, 70, 55, 55], Operations: [] Exploring Operation: 9+55=64, Resulting Numbers: [70, 55, 64] Generated Node #0,0: 61:[70, 55, 64] Operation: 9+55=64 Exploring Operation: 70-9=61, Resulting Numbers: [55, 55, 61] Generated Node #0,1: 61:[55, 55, 61] Operation: 70-9=61 Exploring Operation: 9+55=64, Resulting Numbers: [70, 55, 64] Generated Node #0,2: 61:[70, 55, 64] Operation: 9+55=64 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[55, 55, 61], Operations: ['70-9=61'] Exploring Operation: 55/55=1, Resulting Numbers: [61, 1] Generated Node #0,1,0: 61:[61, 1] Operation: 55/55=1 Exploring Operation: 55-55=0, Resulting Numbers: [61, 0] Generated Node #0,1,1: 61:[61, 0] Operation: 55-55=0 Exploring Operation: 55+55=110, Resulting Numbers: [61, 110] Generated Node #0,1,2: 61:[61, 110] Operation: 55+55=110 Moving to Node #0,1,2 Current State: 61:[61, 110], Operations: ['70-9=61', '55+55=110'] Exploring Operation: 110-61=49, Resulting Numbers: [49] 49,61 unequal: No Solution Exploring Operation: 61*110=6710, Resulting Numbers: [6710] 6710,61 unequal: No Solution Exploring Operation: 61+110=171, Resulting Numbers: [171] 171,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[61, 1], Operations: ['70-9=61', '55/55=1'] Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[9, 70, 55, 55], Operations: [] Exploring Operation: 70-9=61, Resulting Numbers: [55, 55, 61] Generated Node #0,1: 61:[55, 55, 61] Operation: 70-9=61 Moving to Node #0,1 Current State: 61:[55, 55, 61], Operations: ['70-9=61'] Exploring Operation: 55/55=1, Resulting Numbers: [61, 1] Generated Node #0,1,0: 61:[61, 1] Operation: 55/55=1 Moving to Node #0,1,0 Current State: 61:[61, 1], Operations: ['70-9=61', '55/55=1'] Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 19, 78, 28, 23 ]
92
[ "19+78=97", "28-23=5", "97-5=92" ]
Current State: 92:[19, 78, 28, 23], Operations: [] Exploring Operation: 19+78=97, Resulting Numbers: [28, 23, 97] Generated Node #2: [28, 23, 97] from Operation: 19+78=97 Current State: 92:[28, 23, 97], Operations: ['19+78=97'] Exploring Operation: 28-23=5, Resulting Numbers: [97, 5] Generated Node #3: [97, 5] from Operation: 28-23=5 Current State: 92:[97, 5], Operations: ['19+78=97', '28-23=5'] Exploring Operation: 97-5=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[19, 78, 28, 23], Operations: [] Exploring Operation: 78-28=50, Resulting Numbers: [19, 23, 50] Generated Node #0,0: 92:[19, 23, 50] Operation: 78-28=50 Exploring Operation: 19+28=47, Resulting Numbers: [78, 23, 47] Generated Node #0,1: 92:[78, 23, 47] Operation: 19+28=47 Exploring Operation: 19+78=97, Resulting Numbers: [28, 23, 97] Generated Node #0,2: 92:[28, 23, 97] Operation: 19+78=97 Moving to Node #0,0 Current State: 92:[19, 23, 50], Operations: ['78-28=50'] Exploring Operation: 50-19=31, Resulting Numbers: [23, 31] Generated Node #0,0,0: 92:[23, 31] Operation: 50-19=31 Exploring Operation: 19+23=42, Resulting Numbers: [50, 42] Generated Node #0,0,1: 92:[50, 42] Operation: 19+23=42 Exploring Operation: 23-19=4, Resulting Numbers: [50, 4] Generated Node #0,0,2: 92:[50, 4] Operation: 23-19=4 Moving to Node #0,2 Current State: 92:[28, 23, 97], Operations: ['19+78=97'] Exploring Operation: 28+23=51, Resulting Numbers: [97, 51] Generated Node #0,2,0: 92:[97, 51] Operation: 28+23=51 Exploring Operation: 28-23=5, Resulting Numbers: [97, 5] Generated Node #0,2,1: 92:[97, 5] Operation: 28-23=5 Exploring Operation: 97-28=69, Resulting Numbers: [23, 69] Generated Node #0,2,2: 92:[23, 69] Operation: 97-28=69 Moving to Node #0,1 Current State: 92:[78, 23, 47], Operations: ['19+28=47'] Exploring Operation: 78+23=101, Resulting Numbers: [47, 101] Generated Node #0,1,0: 92:[47, 101] Operation: 78+23=101 Exploring Operation: 78-47=31, Resulting Numbers: [23, 31] Generated Node #0,1,1: 92:[23, 31] Operation: 78-47=31 Exploring Operation: 78-23=55, Resulting Numbers: [47, 55] Generated Node #0,1,2: 92:[47, 55] Operation: 78-23=55 Moving to Node #0,0,2 Current State: 92:[50, 4], Operations: ['78-28=50', '23-19=4'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,92 unequal: No Solution Exploring Operation: 50*4=200, Resulting Numbers: [200] 200,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[97, 5], Operations: ['19+78=97', '28-23=5'] Exploring Operation: 97-5=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[19, 78, 28, 23], Operations: [] Exploring Operation: 19+78=97, Resulting Numbers: [28, 23, 97] Generated Node #0,2: 92:[28, 23, 97] Operation: 19+78=97 Moving to Node #0,2 Current State: 92:[28, 23, 97], Operations: ['19+78=97'] Exploring Operation: 28-23=5, Resulting Numbers: [97, 5] Generated Node #0,2,1: 92:[97, 5] Operation: 28-23=5 Moving to Node #0,2,1 Current State: 92:[97, 5], Operations: ['19+78=97', '28-23=5'] Exploring Operation: 97-5=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.982639
hs_3
sum_heuristic
[ 45, 84, 5, 40 ]
67
[ "45+40=85", "85/5=17", "84-17=67" ]
Current State: 67:[45, 84, 5, 40], Operations: [] Exploring Operation: 45+40=85, Resulting Numbers: [84, 5, 85] Generated Node #2: [84, 5, 85] from Operation: 45+40=85 Current State: 67:[84, 5, 85], Operations: ['45+40=85'] Exploring Operation: 85/5=17, Resulting Numbers: [84, 17] Generated Node #3: [84, 17] from Operation: 85/5=17 Current State: 67:[84, 17], Operations: ['45+40=85', '85/5=17'] Exploring Operation: 84-17=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[45, 84, 5, 40], Operations: [] Exploring Operation: 84-5=79, Resulting Numbers: [45, 40, 79] Generated Node #0,0: 67:[45, 40, 79] Operation: 84-5=79 Exploring Operation: 45-5=40, Resulting Numbers: [84, 40, 40] Generated Node #0,1: 67:[84, 40, 40] Operation: 45-5=40 Exploring Operation: 45+5=50, Resulting Numbers: [84, 40, 50] Generated Node #0,2: 67:[84, 40, 50] Operation: 45+5=50 Exploring Operation: 84+5=89, Resulting Numbers: [45, 40, 89] Generated Node #0,3: 67:[45, 40, 89] Operation: 84+5=89 Exploring Operation: 5+40=45, Resulting Numbers: [45, 84, 45] Generated Node #0,4: 67:[45, 84, 45] Operation: 5+40=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[45, 40, 79], Operations: ['84-5=79'] Exploring Operation: 40+79=119, Resulting Numbers: [45, 119] Generated Node #0,0,0: 67:[45, 119] Operation: 40+79=119 Exploring Operation: 79-40=39, Resulting Numbers: [45, 39] Generated Node #0,0,1: 67:[45, 39] Operation: 79-40=39 Exploring Operation: 79-45=34, Resulting Numbers: [40, 34] Generated Node #0,0,2: 67:[40, 34] Operation: 79-45=34 Exploring Operation: 45+40=85, Resulting Numbers: [79, 85] Generated Node #0,0,3: 67:[79, 85] Operation: 45+40=85 Exploring Operation: 45-40=5, Resulting Numbers: [79, 5] Generated Node #0,0,4: 67:[79, 5] Operation: 45-40=5 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 67:[79, 85], Operations: ['84-5=79', '45+40=85'] Exploring Operation: 79+85=164, Resulting Numbers: [164] 164,67 unequal: No Solution Exploring Operation: 79*85=6715, Resulting Numbers: [6715] 6715,67 unequal: No Solution Exploring Operation: 85-79=6, Resulting Numbers: [6] 6,67 unequal: No Solution No 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: 67:[45, 39], Operations: ['84-5=79', '79-40=39'] Exploring Operation: 45*39=1755, Resulting Numbers: [1755] 1755,67 unequal: No Solution Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,67 unequal: No Solution No 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: 67:[40, 34], Operations: ['84-5=79', '79-45=34'] Exploring Operation: 40*34=1360, Resulting Numbers: [1360] 1360,67 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,67 unequal: No Solution No 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: 67:[45, 119], Operations: ['84-5=79', '40+79=119'] Exploring Operation: 45+119=164, Resulting Numbers: [164] 164,67 unequal: No Solution Exploring Operation: 45*119=5355, Resulting Numbers: [5355] 5355,67 unequal: No Solution Exploring Operation: 119-45=74, Resulting Numbers: [74] 74,67 unequal: No Solution No 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: 67:[79, 5], Operations: ['84-5=79', '45-40=5'] Exploring Operation: 79*5=395, Resulting Numbers: [395] 395,67 unequal: No Solution Exploring Operation: 79+5=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,67 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: 67:[84, 40, 50], Operations: ['45+5=50'] Exploring Operation: 40+50=90, Resulting Numbers: [84, 90] Generated Node #0,2,0: 67:[84, 90] Operation: 40+50=90 Exploring Operation: 50-40=10, Resulting Numbers: [84, 10] Generated Node #0,2,1: 67:[84, 10] Operation: 50-40=10 Exploring Operation: 84-40=44, Resulting Numbers: [50, 44] Generated Node #0,2,2: 67:[50, 44] Operation: 84-40=44 Exploring Operation: 84+40=124, Resulting Numbers: [50, 124] Generated Node #0,2,3: 67:[50, 124] Operation: 84+40=124 Exploring Operation: 84-50=34, Resulting Numbers: [40, 34] Generated Node #0,2,4: 67:[40, 34] Operation: 84-50=34 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[84, 90], Operations: ['45+5=50', '40+50=90'] Exploring Operation: 84*90=7560, Resulting Numbers: [7560] 7560,67 unequal: No Solution Exploring Operation: 84+90=174, Resulting Numbers: [174] 174,67 unequal: No Solution Exploring Operation: 90-84=6, Resulting Numbers: [6] 6,67 unequal: No Solution No 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: 67:[50, 44], Operations: ['45+5=50', '84-40=44'] Exploring Operation: 50*44=2200, Resulting Numbers: [2200] 2200,67 unequal: No Solution Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 50+44=94, Resulting Numbers: [94] 94,67 unequal: No Solution No 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: 67:[40, 34], Operations: ['45+5=50', '84-50=34'] Exploring Operation: 40*34=1360, Resulting Numbers: [1360] 1360,67 unequal: No Solution Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,67 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,67 unequal: No Solution No 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: 67:[84, 10], Operations: ['45+5=50', '50-40=10'] Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,67 unequal: No Solution Exploring Operation: 84+10=94, Resulting Numbers: [94] 94,67 unequal: No Solution Exploring Operation: 84*10=840, Resulting Numbers: [840] 840,67 unequal: No Solution No 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: 67:[50, 124], Operations: ['45+5=50', '84+40=124'] Exploring Operation: 124-50=74, Resulting Numbers: [74] 74,67 unequal: No Solution Exploring Operation: 50*124=6200, Resulting Numbers: [6200] 6200,67 unequal: No Solution Exploring Operation: 50+124=174, Resulting Numbers: [174] 174,67 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: 67:[45, 84, 45], Operations: ['5+40=45'] Exploring Operation: 45/45=1, Resulting Numbers: [84, 1] Generated Node #0,4,0: 67:[84, 1] Operation: 45/45=1 Exploring Operation: 45+45=90, Resulting Numbers: [84, 90] Generated Node #0,4,1: 67:[84, 90] Operation: 45+45=90 Exploring Operation: 84-45=39, Resulting Numbers: [45, 39] Generated Node #0,4,2: 67:[45, 39] Operation: 84-45=39 Exploring Operation: 84-45=39, Resulting Numbers: [45, 39] Generated Node #0,4,3: 67:[45, 39] Operation: 84-45=39 Exploring Operation: 45+84=129, Resulting Numbers: [45, 129] Generated Node #0,4,4: 67:[45, 129] Operation: 45+84=129 Moving to Node #0,4,1 Current State: 67:[84, 90], Operations: ['5+40=45', '45+45=90'] Exploring Operation: 84+90=174, Resulting Numbers: [174] 174,67 unequal: No Solution Exploring Operation: 90-84=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 84*90=7560, Resulting Numbers: [7560] 7560,67 unequal: No Solution Moving to Node #0,4,3 Current State: 67:[45, 39], Operations: ['5+40=45', '84-45=39'] Exploring Operation: 45*39=1755, Resulting Numbers: [1755] 1755,67 unequal: No Solution Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,67 unequal: No Solution Moving to Node #0,4,2 Current State: 67:[45, 39], Operations: ['5+40=45', '84-45=39'] Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 45*39=1755, Resulting Numbers: [1755] 1755,67 unequal: No Solution Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,67 unequal: No Solution Moving to Node #0,4,0 Current State: 67:[84, 1], Operations: ['5+40=45', '45/45=1'] Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,67 unequal: No Solution Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,67 unequal: No Solution Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,67 unequal: No Solution Moving to Node #0,4,4 Current State: 67:[45, 129], Operations: ['5+40=45', '45+84=129'] Exploring Operation: 45+129=174, Resulting Numbers: [174] 174,67 unequal: No Solution Exploring Operation: 129-45=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 45*129=5805, Resulting Numbers: [5805] 5805,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[84, 40, 40], Operations: ['45-5=40'] Exploring Operation: 40/40=1, Resulting Numbers: [84, 1] Generated Node #0,1,0: 67:[84, 1] Operation: 40/40=1 Exploring Operation: 84-40=44, Resulting Numbers: [40, 44] Generated Node #0,1,1: 67:[40, 44] Operation: 84-40=44 Exploring Operation: 84+40=124, Resulting Numbers: [40, 124] Generated Node #0,1,2: 67:[40, 124] Operation: 84+40=124 Exploring Operation: 40+40=80, Resulting Numbers: [84, 80] Generated Node #0,1,3: 67:[84, 80] Operation: 40+40=80 Exploring Operation: 84-40=44, Resulting Numbers: [40, 44] Generated Node #0,1,4: 67:[40, 44] Operation: 84-40=44 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 67:[84, 80], Operations: ['45-5=40', '40+40=80'] Exploring Operation: 84*80=6720, Resulting Numbers: [6720] 6720,67 unequal: No Solution Exploring Operation: 84-80=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 84+80=164, Resulting Numbers: [164] 164,67 unequal: No Solution No 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: 67:[40, 44], Operations: ['45-5=40', '84-40=44'] Exploring Operation: 40+44=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 40*44=1760, Resulting Numbers: [1760] 1760,67 unequal: No Solution No 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: 67:[40, 44], Operations: ['45-5=40', '84-40=44'] Exploring Operation: 40+44=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 40*44=1760, Resulting Numbers: [1760] 1760,67 unequal: No Solution No 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: 67:[84, 1], Operations: ['45-5=40', '40/40=1'] Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,67 unequal: No Solution Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,67 unequal: No Solution Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,67 unequal: No Solution No 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: 67:[40, 124], Operations: ['45-5=40', '84+40=124'] Exploring Operation: 40*124=4960, Resulting Numbers: [4960] 4960,67 unequal: No Solution Exploring Operation: 40+124=164, Resulting Numbers: [164] 164,67 unequal: No Solution Exploring Operation: 124-40=84, Resulting Numbers: [84] 84,67 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: 67:[45, 40, 89], Operations: ['84+5=89'] Exploring Operation: 45-40=5, Resulting Numbers: [89, 5] Generated Node #0,3,0: 67:[89, 5] Operation: 45-40=5 Exploring Operation: 40+89=129, Resulting Numbers: [45, 129] Generated Node #0,3,1: 67:[45, 129] Operation: 40+89=129 Exploring Operation: 89-40=49, Resulting Numbers: [45, 49] Generated Node #0,3,2: 67:[45, 49] Operation: 89-40=49 Exploring Operation: 45+40=85, Resulting Numbers: [89, 85] Generated Node #0,3,3: 67:[89, 85] Operation: 45+40=85 Exploring Operation: 89-45=44, Resulting Numbers: [40, 44] Generated Node #0,3,4: 67:[40, 44] Operation: 89-45=44 Moving to Node #0,3,2 Current State: 67:[45, 49], Operations: ['84+5=89', '89-40=49'] Exploring Operation: 45*49=2205, Resulting Numbers: [2205] 2205,67 unequal: No Solution Exploring Operation: 45+49=94, Resulting Numbers: [94] 94,67 unequal: No Solution Exploring Operation: 49-45=4, Resulting Numbers: [4] 4,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[89, 85], Operations: ['84+5=89', '45+40=85'] Exploring Operation: 89-85=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 89+85=174, Resulting Numbers: [174] 174,67 unequal: No Solution Exploring Operation: 89*85=7565, Resulting Numbers: [7565] 7565,67 unequal: No Solution Moving to Node #0,3,4 Current State: 67:[40, 44], Operations: ['84+5=89', '89-45=44'] Exploring Operation: 40*44=1760, Resulting Numbers: [1760] 1760,67 unequal: No Solution Exploring Operation: 40+44=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[89, 5], Operations: ['84+5=89', '45-40=5'] Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,67 unequal: No Solution Exploring Operation: 89*5=445, Resulting Numbers: [445] 445,67 unequal: No Solution Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[45, 129], Operations: ['84+5=89', '40+89=129'] Exploring Operation: 129-45=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 45+129=174, Resulting Numbers: [174] 174,67 unequal: No Solution Exploring Operation: 45*129=5805, Resulting Numbers: [5805] 5805,67 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
[ 96, 86, 18, 2 ]
62
[ "86-18=68", "68/2=34", "96-34=62" ]
Current State: 62:[96, 86, 18, 2], Operations: [] Exploring Operation: 86-18=68, Resulting Numbers: [96, 2, 68] Generated Node #2: [96, 2, 68] from Operation: 86-18=68 Current State: 62:[96, 2, 68], Operations: ['86-18=68'] Exploring Operation: 68/2=34, Resulting Numbers: [96, 34] Generated Node #3: [96, 34] from Operation: 68/2=34 Current State: 62:[96, 34], Operations: ['86-18=68', '68/2=34'] Exploring Operation: 96-34=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[96, 86, 18, 2], Operations: [] Exploring Operation: 96/2=48, Resulting Numbers: [86, 18, 48] Generated Node #0,0: 62:[86, 18, 48] Operation: 96/2=48 Exploring Operation: 96-86=10, Resulting Numbers: [18, 2, 10] Generated Node #0,1: 62:[18, 2, 10] Operation: 96-86=10 Exploring Operation: 96-18=78, Resulting Numbers: [86, 2, 78] Generated Node #0,2: 62:[86, 2, 78] Operation: 96-18=78 Exploring Operation: 86-18=68, Resulting Numbers: [96, 2, 68] Generated Node #0,3: 62:[96, 2, 68] Operation: 86-18=68 Moving to Node #0,1 Current State: 62:[18, 2, 10], Operations: ['96-86=10'] Exploring Operation: 18+10=28, Resulting Numbers: [2, 28] Generated Node #0,1,0: 62:[2, 28] Operation: 18+10=28 Exploring Operation: 18-10=8, Resulting Numbers: [2, 8] Generated Node #0,1,1: 62:[2, 8] Operation: 18-10=8 Exploring Operation: 18*2=36, Resulting Numbers: [10, 36] Generated Node #0,1,2: 62:[10, 36] Operation: 18*2=36 Exploring Operation: 18/2=9, Resulting Numbers: [10, 9] Generated Node #0,1,3: 62:[10, 9] Operation: 18/2=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[2, 28], Operations: ['96-86=10', '18+10=28'] Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,62 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,62 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[2, 8], Operations: ['96-86=10', '18-10=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,62 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 62:[10, 36], Operations: ['96-86=10', '18*2=36'] Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,62 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,62 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 62:[10, 9], Operations: ['96-86=10', '18/2=9'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 62:[96, 2, 68], Operations: ['86-18=68'] Exploring Operation: 96-2=94, Resulting Numbers: [68, 94] Generated Node #0,3,0: 62:[68, 94] Operation: 96-2=94 Exploring Operation: 96-68=28, Resulting Numbers: [2, 28] Generated Node #0,3,1: 62:[2, 28] Operation: 96-68=28 Exploring Operation: 96/2=48, Resulting Numbers: [68, 48] Generated Node #0,3,2: 62:[68, 48] Operation: 96/2=48 Exploring Operation: 68/2=34, Resulting Numbers: [96, 34] Generated Node #0,3,3: 62:[96, 34] Operation: 68/2=34 Moving to Node #0,2 Current State: 62:[86, 2, 78], Operations: ['96-18=78'] Exploring Operation: 78/2=39, Resulting Numbers: [86, 39] Generated Node #0,2,0: 62:[86, 39] Operation: 78/2=39 Exploring Operation: 86-2=84, Resulting Numbers: [78, 84] Generated Node #0,2,1: 62:[78, 84] Operation: 86-2=84 Exploring Operation: 86-78=8, Resulting Numbers: [2, 8] Generated Node #0,2,2: 62:[2, 8] Operation: 86-78=8 Exploring Operation: 86/2=43, Resulting Numbers: [78, 43] Generated Node #0,2,3: 62:[78, 43] Operation: 86/2=43 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[2, 8], Operations: ['96-18=78', '86-78=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,62 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 62:[78, 43], Operations: ['96-18=78', '86/2=43'] Exploring Operation: 78*43=3354, Resulting Numbers: [3354] 3354,62 unequal: No Solution Exploring Operation: 78-43=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 78+43=121, Resulting Numbers: [121] 121,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[86, 39], Operations: ['96-18=78', '78/2=39'] Exploring Operation: 86*39=3354, Resulting Numbers: [3354] 3354,62 unequal: No Solution Exploring Operation: 86-39=47, Resulting Numbers: [47] 47,62 unequal: No Solution Exploring Operation: 86+39=125, Resulting Numbers: [125] 125,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[78, 84], Operations: ['96-18=78', '86-2=84'] Exploring Operation: 78+84=162, Resulting Numbers: [162] 162,62 unequal: No Solution Exploring Operation: 78*84=6552, Resulting Numbers: [6552] 6552,62 unequal: No Solution Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,62 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: 62:[86, 18, 48], Operations: ['96/2=48'] Exploring Operation: 86-18=68, Resulting Numbers: [48, 68] Generated Node #0,0,0: 62:[48, 68] Operation: 86-18=68 Exploring Operation: 86-48=38, Resulting Numbers: [18, 38] Generated Node #0,0,1: 62:[18, 38] Operation: 86-48=38 Exploring Operation: 18+48=66, Resulting Numbers: [86, 66] Generated Node #0,0,2: 62:[86, 66] Operation: 18+48=66 Exploring Operation: 48-18=30, Resulting Numbers: [86, 30] Generated Node #0,0,3: 62:[86, 30] Operation: 48-18=30 Moving to Node #0,3,1 Current State: 62:[2, 28], Operations: ['86-18=68', '96-68=28'] Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,62 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,62 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[18, 38], Operations: ['96/2=48', '86-48=38'] Exploring Operation: 18+38=56, Resulting Numbers: [56] 56,62 unequal: No Solution Exploring Operation: 18*38=684, Resulting Numbers: [684] 684,62 unequal: No Solution Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,62 unequal: No Solution Moving to Node #0,3,2 Current State: 62:[68, 48], Operations: ['86-18=68', '96/2=48'] Exploring Operation: 68+48=116, Resulting Numbers: [116] 116,62 unequal: No Solution Exploring Operation: 68-48=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 68*48=3264, Resulting Numbers: [3264] 3264,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[48, 68], Operations: ['96/2=48', '86-18=68'] Exploring Operation: 48*68=3264, Resulting Numbers: [3264] 3264,62 unequal: No Solution Exploring Operation: 68-48=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 48+68=116, Resulting Numbers: [116] 116,62 unequal: No Solution Moving to Node #0,0,3 Current State: 62:[86, 30], Operations: ['96/2=48', '48-18=30'] Exploring Operation: 86+30=116, Resulting Numbers: [116] 116,62 unequal: No Solution Exploring Operation: 86*30=2580, Resulting Numbers: [2580] 2580,62 unequal: No Solution Exploring Operation: 86-30=56, Resulting Numbers: [56] 56,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[86, 66], Operations: ['96/2=48', '18+48=66'] Exploring Operation: 86*66=5676, Resulting Numbers: [5676] 5676,62 unequal: No Solution Exploring Operation: 86+66=152, Resulting Numbers: [152] 152,62 unequal: No Solution Exploring Operation: 86-66=20, Resulting Numbers: [20] 20,62 unequal: No Solution Moving to Node #0,3,3 Current State: 62:[96, 34], Operations: ['86-18=68', '68/2=34'] Exploring Operation: 96+34=130, Resulting Numbers: [130] 130,62 unequal: No Solution Exploring Operation: 96-34=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[96, 86, 18, 2], Operations: [] Exploring Operation: 86-18=68, Resulting Numbers: [96, 2, 68] Generated Node #0,3: 62:[96, 2, 68] Operation: 86-18=68 Moving to Node #0,3 Current State: 62:[96, 2, 68], Operations: ['86-18=68'] Exploring Operation: 68/2=34, Resulting Numbers: [96, 34] Generated Node #0,3,3: 62:[96, 34] Operation: 68/2=34 Moving to Node #0,3,3 Current State: 62:[96, 34], Operations: ['86-18=68', '68/2=34'] Exploring Operation: 96-34=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.9375
hs_4
mult_heuristic
[ 2, 38, 10, 63 ]
93
[ "2+38=40", "63-10=53", "40+53=93" ]
Current State: 93:[2, 38, 10, 63], Operations: [] Exploring Operation: 2+38=40, Resulting Numbers: [10, 63, 40] Generated Node #2: [10, 63, 40] from Operation: 2+38=40 Current State: 93:[10, 63, 40], Operations: ['2+38=40'] Exploring Operation: 63-10=53, Resulting Numbers: [40, 53] Generated Node #3: [40, 53] from Operation: 63-10=53 Current State: 93:[40, 53], Operations: ['2+38=40', '63-10=53'] Exploring Operation: 40+53=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[2, 38, 10, 63], Operations: [] Exploring Operation: 10+63=73, Resulting Numbers: [2, 38, 73] Generated Node #0,0: 93:[2, 38, 73] Operation: 10+63=73 Exploring Operation: 38-10=28, Resulting Numbers: [2, 63, 28] Generated Node #0,1: 93:[2, 63, 28] Operation: 38-10=28 Exploring Operation: 63-38=25, Resulting Numbers: [2, 10, 25] Generated Node #0,2: 93:[2, 10, 25] Operation: 63-38=25 Exploring Operation: 38+63=101, Resulting Numbers: [2, 10, 101] Generated Node #0,3: 93:[2, 10, 101] Operation: 38+63=101 Exploring Operation: 63-10=53, Resulting Numbers: [2, 38, 53] Generated Node #0,4: 93:[2, 38, 53] Operation: 63-10=53 Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[2, 10, 25], Operations: ['63-38=25'] Exploring Operation: 10/2=5, Resulting Numbers: [25, 5] Generated Node #0,2,0: 93:[25, 5] Operation: 10/2=5 Exploring Operation: 10-2=8, Resulting Numbers: [25, 8] Generated Node #0,2,1: 93:[25, 8] Operation: 10-2=8 Exploring Operation: 2+25=27, Resulting Numbers: [10, 27] Generated Node #0,2,2: 93:[10, 27] Operation: 2+25=27 Exploring Operation: 10+25=35, Resulting Numbers: [2, 35] Generated Node #0,2,3: 93:[2, 35] Operation: 10+25=35 Exploring Operation: 25-10=15, Resulting Numbers: [2, 15] Generated Node #0,2,4: 93:[2, 15] Operation: 25-10=15 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 93:[2, 35], Operations: ['63-38=25', '10+25=35'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,93 unequal: No Solution Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,93 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,93 unequal: No Solution No 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: 93:[25, 5], Operations: ['63-38=25', '10/2=5'] Exploring Operation: 25*5=125, Resulting Numbers: [125] 125,93 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,93 unequal: No Solution Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,93 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,93 unequal: No Solution No 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: 93:[25, 8], Operations: ['63-38=25', '10-2=8'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,93 unequal: No Solution Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,93 unequal: No Solution Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,93 unequal: No Solution No 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: 93:[10, 27], Operations: ['63-38=25', '2+25=27'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,93 unequal: No Solution Exploring Operation: 10+27=37, Resulting Numbers: [37] 37,93 unequal: No Solution Exploring Operation: 10*27=270, Resulting Numbers: [270] 270,93 unequal: No Solution No 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: 93:[2, 15], Operations: ['63-38=25', '25-10=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,93 unequal: No Solution Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,93 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,93 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: 93:[2, 10, 101], Operations: ['38+63=101'] Exploring Operation: 10-2=8, Resulting Numbers: [101, 8] Generated Node #0,3,0: 93:[101, 8] Operation: 10-2=8 Exploring Operation: 2+10=12, Resulting Numbers: [101, 12] Generated Node #0,3,1: 93:[101, 12] Operation: 2+10=12 Exploring Operation: 101-10=91, Resulting Numbers: [2, 91] Generated Node #0,3,2: 93:[2, 91] Operation: 101-10=91 Exploring Operation: 10/2=5, Resulting Numbers: [101, 5] Generated Node #0,3,3: 93:[101, 5] Operation: 10/2=5 Exploring Operation: 101-2=99, Resulting Numbers: [10, 99] Generated Node #0,3,4: 93:[10, 99] Operation: 101-2=99 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 93:[2, 91], Operations: ['38+63=101', '101-10=91'] Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,93 unequal: No Solution Exploring Operation: 2*91=182, Resulting Numbers: [182] 182,93 unequal: No Solution Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[2, 38, 10, 63], Operations: [] Exploring Operation: 38+63=101, Resulting Numbers: [2, 10, 101] Generated Node #0,3: 93:[2, 10, 101] Operation: 38+63=101 Moving to Node #0,3 Current State: 93:[2, 10, 101], Operations: ['38+63=101'] Exploring Operation: 101-10=91, Resulting Numbers: [2, 91] Generated Node #0,3,2: 93:[2, 91] Operation: 101-10=91 Moving to Node #0,3,2 Current State: 93:[2, 91], Operations: ['38+63=101', '101-10=91'] Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_5
mult_heuristic
[ 82, 69, 15, 69 ]
67
[ "82+69=151", "15+69=84", "151-84=67" ]
Current State: 67:[82, 69, 15, 69], Operations: [] Exploring Operation: 82+69=151, Resulting Numbers: [15, 151] Generated Node #2: [15, 151] from Operation: 82+69=151 Current State: 67:[15, 151], Operations: ['82+69=151'] Exploring Operation: 15+69=84, Resulting Numbers: [151, 84] Generated Node #3: [151, 84] from Operation: 15+69=84 Current State: 67:[151, 84], Operations: ['82+69=151', '15+69=84'] Exploring Operation: 151-84=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[82, 69, 15, 69], Operations: [] Exploring Operation: 82-15=67, Resulting Numbers: [69, 69, 67] Generated Node #0,0: 67:[69, 69, 67] Operation: 82-15=67 Exploring Operation: 69-15=54, Resulting Numbers: [82, 69, 54] Generated Node #0,1: 67:[82, 69, 54] Operation: 69-15=54 Exploring Operation: 69-15=54, Resulting Numbers: [82, 69, 54] Generated Node #0,2: 67:[82, 69, 54] Operation: 69-15=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[69, 69, 67], Operations: ['82-15=67'] Exploring Operation: 69-67=2, Resulting Numbers: [69, 2] Generated Node #0,0,0: 67:[69, 2] Operation: 69-67=2 Exploring Operation: 69/69=1, Resulting Numbers: [67, 1] Generated Node #0,0,1: 67:[67, 1] Operation: 69/69=1 Exploring Operation: 69-69=0, Resulting Numbers: [67, 0] Generated Node #0,0,2: 67:[67, 0] Operation: 69-69=0 Moving to Node #0,0,1 Current State: 67:[67, 1], Operations: ['82-15=67', '69/69=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[82, 69, 15, 69], Operations: [] Exploring Operation: 82-15=67, Resulting Numbers: [69, 69, 67] Generated Node #0,0: 67:[69, 69, 67] Operation: 82-15=67 Moving to Node #0,0 Current State: 67:[69, 69, 67], Operations: ['82-15=67'] Exploring Operation: 69/69=1, Resulting Numbers: [67, 1] Generated Node #0,0,1: 67:[67, 1] Operation: 69/69=1 Moving to Node #0,0,1 Current State: 67:[67, 1], Operations: ['82-15=67', '69/69=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 84, 70, 41, 15 ]
23
[ "84*15=1260", "1260/70=18", "41-18=23" ]
Current State: 23:[84, 70, 41, 15], Operations: [] Exploring Operation: 84*15=1260, Resulting Numbers: [70, 41, 1260] Generated Node #2: [70, 41, 1260] from Operation: 84*15=1260 Current State: 23:[70, 41, 1260], Operations: ['84*15=1260'] Exploring Operation: 1260/70=18, Resulting Numbers: [41, 18] Generated Node #3: [41, 18] from Operation: 1260/70=18 Current State: 23:[41, 18], Operations: ['84*15=1260', '1260/70=18'] Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[84, 70, 41, 15], Operations: [] Exploring Operation: 70-15=55, Resulting Numbers: [84, 41, 55] Generated Node #0,0: 23:[84, 41, 55] Operation: 70-15=55 Exploring Operation: 70-41=29, Resulting Numbers: [84, 15, 29] Generated Node #0,1: 23:[84, 15, 29] Operation: 70-41=29 Exploring Operation: 84-70=14, Resulting Numbers: [41, 15, 14] Generated Node #0,2: 23:[41, 15, 14] Operation: 84-70=14 Exploring Operation: 84-41=43, Resulting Numbers: [70, 15, 43] Generated Node #0,3: 23:[70, 15, 43] Operation: 84-41=43 Exploring Operation: 84-15=69, Resulting Numbers: [70, 41, 69] Generated Node #0,4: 23:[70, 41, 69] Operation: 84-15=69 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[41, 15, 14], Operations: ['84-70=14'] Exploring Operation: 15-14=1, Resulting Numbers: [41, 1] Generated Node #0,2,0: 23:[41, 1] Operation: 15-14=1 Exploring Operation: 41+14=55, Resulting Numbers: [15, 55] Generated Node #0,2,1: 23:[15, 55] Operation: 41+14=55 Exploring Operation: 15+14=29, Resulting Numbers: [41, 29] Generated Node #0,2,2: 23:[41, 29] Operation: 15+14=29 Exploring Operation: 41-14=27, Resulting Numbers: [15, 27] Generated Node #0,2,3: 23:[15, 27] Operation: 41-14=27 Exploring Operation: 41-15=26, Resulting Numbers: [14, 26] Generated Node #0,2,4: 23:[14, 26] Operation: 41-15=26 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 23:[15, 27], Operations: ['84-70=14', '41-14=27'] Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 15+27=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 15*27=405, Resulting Numbers: [405] 405,23 unequal: No Solution No 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: 23:[14, 26], Operations: ['84-70=14', '41-15=26'] Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 14*26=364, Resulting Numbers: [364] 364,23 unequal: No Solution No 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: 23:[41, 29], Operations: ['84-70=14', '15+14=29'] Exploring Operation: 41*29=1189, Resulting Numbers: [1189] 1189,23 unequal: No Solution Exploring Operation: 41+29=70, Resulting Numbers: [70] 70,23 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,23 unequal: No Solution No 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: 23:[41, 1], Operations: ['84-70=14', '15-14=1'] Exploring Operation: 41+1=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 41*1=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,23 unequal: No Solution No 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: 23:[15, 55], Operations: ['84-70=14', '41+14=55'] Exploring Operation: 15*55=825, Resulting Numbers: [825] 825,23 unequal: No Solution Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 15+55=70, Resulting Numbers: [70] 70,23 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: 23:[84, 15, 29], Operations: ['70-41=29'] Exploring Operation: 84-15=69, Resulting Numbers: [29, 69] Generated Node #0,1,0: 23:[29, 69] Operation: 84-15=69 Exploring Operation: 29-15=14, Resulting Numbers: [84, 14] Generated Node #0,1,1: 23:[84, 14] Operation: 29-15=14 Exploring Operation: 84+15=99, Resulting Numbers: [29, 99] Generated Node #0,1,2: 23:[29, 99] Operation: 84+15=99 Exploring Operation: 84-29=55, Resulting Numbers: [15, 55] Generated Node #0,1,3: 23:[15, 55] Operation: 84-29=55 Exploring Operation: 15+29=44, Resulting Numbers: [84, 44] Generated Node #0,1,4: 23:[84, 44] Operation: 15+29=44 Moving to Node #0,1,3 Current State: 23:[15, 55], Operations: ['70-41=29', '84-29=55'] Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 15*55=825, Resulting Numbers: [825] 825,23 unequal: No Solution Exploring Operation: 15+55=70, Resulting Numbers: [70] 70,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[29, 69], Operations: ['70-41=29', '84-15=69'] Exploring Operation: 29+69=98, Resulting Numbers: [98] 98,23 unequal: No Solution Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 29*69=2001, Resulting Numbers: [2001] 2001,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[84, 14], Operations: ['70-41=29', '29-15=14'] Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,23 unequal: No Solution Exploring Operation: 84*14=1176, Resulting Numbers: [1176] 1176,23 unequal: No Solution Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 84+14=98, Resulting Numbers: [98] 98,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[29, 99], Operations: ['70-41=29', '84+15=99'] Exploring Operation: 29*99=2871, Resulting Numbers: [2871] 2871,23 unequal: No Solution Exploring Operation: 99-29=70, Resulting Numbers: [70] 70,23 unequal: No Solution Exploring Operation: 29+99=128, Resulting Numbers: [128] 128,23 unequal: No Solution Moving to Node #0,1,4 Current State: 23:[84, 44], Operations: ['70-41=29', '15+29=44'] Exploring Operation: 84+44=128, Resulting Numbers: [128] 128,23 unequal: No Solution Exploring Operation: 84*44=3696, Resulting Numbers: [3696] 3696,23 unequal: No Solution Exploring Operation: 84-44=40, Resulting Numbers: [40] 40,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[70, 15, 43], Operations: ['84-41=43'] Exploring Operation: 43-15=28, Resulting Numbers: [70, 28] Generated Node #0,3,0: 23:[70, 28] Operation: 43-15=28 Exploring Operation: 70-15=55, Resulting Numbers: [43, 55] Generated Node #0,3,1: 23:[43, 55] Operation: 70-15=55 Exploring Operation: 15+43=58, Resulting Numbers: [70, 58] Generated Node #0,3,2: 23:[70, 58] Operation: 15+43=58 Exploring Operation: 70-43=27, Resulting Numbers: [15, 27] Generated Node #0,3,3: 23:[15, 27] Operation: 70-43=27 Exploring Operation: 70+15=85, Resulting Numbers: [43, 85] Generated Node #0,3,4: 23:[43, 85] Operation: 70+15=85 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 23:[15, 27], Operations: ['84-41=43', '70-43=27'] Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 15*27=405, Resulting Numbers: [405] 405,23 unequal: No Solution Exploring Operation: 15+27=42, Resulting Numbers: [42] 42,23 unequal: No Solution No 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: 23:[70, 28], Operations: ['84-41=43', '43-15=28'] Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 70+28=98, Resulting Numbers: [98] 98,23 unequal: No Solution Exploring Operation: 70*28=1960, Resulting Numbers: [1960] 1960,23 unequal: No Solution No 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: 23:[43, 55], Operations: ['84-41=43', '70-15=55'] Exploring Operation: 43*55=2365, Resulting Numbers: [2365] 2365,23 unequal: No Solution Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 43+55=98, Resulting Numbers: [98] 98,23 unequal: No Solution No 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: 23:[70, 58], Operations: ['84-41=43', '15+43=58'] Exploring Operation: 70*58=4060, Resulting Numbers: [4060] 4060,23 unequal: No Solution Exploring Operation: 70+58=128, Resulting Numbers: [128] 128,23 unequal: No Solution Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,23 unequal: No Solution No 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: 23:[43, 85], Operations: ['84-41=43', '70+15=85'] Exploring Operation: 85-43=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 43+85=128, Resulting Numbers: [128] 128,23 unequal: No Solution Exploring Operation: 43*85=3655, Resulting Numbers: [3655] 3655,23 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: 23:[84, 41, 55], Operations: ['70-15=55'] Exploring Operation: 84-55=29, Resulting Numbers: [41, 29] Generated Node #0,0,0: 23:[41, 29] Operation: 84-55=29 Exploring Operation: 55-41=14, Resulting Numbers: [84, 14] Generated Node #0,0,1: 23:[84, 14] Operation: 55-41=14 Exploring Operation: 84-41=43, Resulting Numbers: [55, 43] Generated Node #0,0,2: 23:[55, 43] Operation: 84-41=43 Exploring Operation: 84+41=125, Resulting Numbers: [55, 125] Generated Node #0,0,3: 23:[55, 125] Operation: 84+41=125 Exploring Operation: 84+55=139, Resulting Numbers: [41, 139] Generated Node #0,0,4: 23:[41, 139] Operation: 84+55=139 Moving to Node #0,0,0 Current State: 23:[41, 29], Operations: ['70-15=55', '84-55=29'] Exploring Operation: 41+29=70, Resulting Numbers: [70] 70,23 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,23 unequal: No Solution Exploring Operation: 41*29=1189, Resulting Numbers: [1189] 1189,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[55, 43], Operations: ['70-15=55', '84-41=43'] Exploring Operation: 55+43=98, Resulting Numbers: [98] 98,23 unequal: No Solution Exploring Operation: 55*43=2365, Resulting Numbers: [2365] 2365,23 unequal: No Solution Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[84, 14], Operations: ['70-15=55', '55-41=14'] Exploring Operation: 84+14=98, Resulting Numbers: [98] 98,23 unequal: No Solution Exploring Operation: 84*14=1176, Resulting Numbers: [1176] 1176,23 unequal: No Solution Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,23 unequal: No Solution Moving to Node #0,0,3 Current State: 23:[55, 125], Operations: ['70-15=55', '84+41=125'] Exploring Operation: 55+125=180, Resulting Numbers: [180] 180,23 unequal: No Solution Exploring Operation: 125-55=70, Resulting Numbers: [70] 70,23 unequal: No Solution Exploring Operation: 55*125=6875, Resulting Numbers: [6875] 6875,23 unequal: No Solution Moving to Node #0,0,4 Current State: 23:[41, 139], Operations: ['70-15=55', '84+55=139'] Exploring Operation: 139-41=98, Resulting Numbers: [98] 98,23 unequal: No Solution Exploring Operation: 41*139=5699, Resulting Numbers: [5699] 5699,23 unequal: No Solution Exploring Operation: 41+139=180, Resulting Numbers: [180] 180,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 23:[70, 41, 69], Operations: ['84-15=69'] Exploring Operation: 69-41=28, Resulting Numbers: [70, 28] Generated Node #0,4,0: 23:[70, 28] Operation: 69-41=28 Exploring Operation: 70-69=1, Resulting Numbers: [41, 1] Generated Node #0,4,1: 23:[41, 1] Operation: 70-69=1 Exploring Operation: 70+41=111, Resulting Numbers: [69, 111] Generated Node #0,4,2: 23:[69, 111] Operation: 70+41=111 Exploring Operation: 70+69=139, Resulting Numbers: [41, 139] Generated Node #0,4,3: 23:[41, 139] Operation: 70+69=139 Exploring Operation: 70-41=29, Resulting Numbers: [69, 29] Generated Node #0,4,4: 23:[69, 29] Operation: 70-41=29 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 23:[41, 1], Operations: ['84-15=69', '70-69=1'] Exploring Operation: 41*1=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,23 unequal: No Solution Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 41+1=42, Resulting Numbers: [42] 42,23 unequal: No Solution No 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: 23:[70, 28], Operations: ['84-15=69', '69-41=28'] Exploring Operation: 70-28=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 70+28=98, Resulting Numbers: [98] 98,23 unequal: No Solution Exploring Operation: 70*28=1960, Resulting Numbers: [1960] 1960,23 unequal: No Solution No 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: 23:[69, 29], Operations: ['84-15=69', '70-41=29'] Exploring Operation: 69*29=2001, Resulting Numbers: [2001] 2001,23 unequal: No Solution Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,23 unequal: No Solution Exploring Operation: 69+29=98, Resulting Numbers: [98] 98,23 unequal: No Solution No 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: 23:[69, 111], Operations: ['84-15=69', '70+41=111'] Exploring Operation: 69+111=180, Resulting Numbers: [180] 180,23 unequal: No Solution Exploring Operation: 69*111=7659, Resulting Numbers: [7659] 7659,23 unequal: No Solution Exploring Operation: 111-69=42, Resulting Numbers: [42] 42,23 unequal: No Solution No 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: 23:[41, 139], Operations: ['84-15=69', '70+69=139'] Exploring Operation: 41*139=5699, Resulting Numbers: [5699] 5699,23 unequal: No Solution Exploring Operation: 139-41=98, Resulting Numbers: [98] 98,23 unequal: No Solution Exploring Operation: 41+139=180, Resulting Numbers: [180] 180,23 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
[ 80, 82, 74, 1 ]
72
[ "82-80=2", "74*1=74", "74-2=72" ]
Current State: 72:[80, 82, 74, 1], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [74, 1, 2] Generated Node #2: [74, 1, 2] from Operation: 82-80=2 Current State: 72:[74, 1, 2], Operations: ['82-80=2'] Exploring Operation: 74*1=74, Resulting Numbers: [2, 74] Generated Node #3: [2, 74] from Operation: 74*1=74 Current State: 72:[2, 74], Operations: ['82-80=2', '74*1=74'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[80, 82, 74, 1], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [74, 1, 2] Generated Node #0,0: 72:[74, 1, 2] Operation: 82-80=2 Exploring Operation: 82-74=8, Resulting Numbers: [80, 1, 8] Generated Node #0,1: 72:[80, 1, 8] Operation: 82-74=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[74, 1, 2], Operations: ['82-80=2'] Exploring Operation: 74-1=73, Resulting Numbers: [2, 73] Generated Node #0,0,0: 72:[2, 73] Operation: 74-1=73 Exploring Operation: 74-2=72, Resulting Numbers: [1, 72] Generated Node #0,0,1: 72:[1, 72] Operation: 74-2=72 Moving to Node #0,0,0 Current State: 72:[2, 73], Operations: ['82-80=2', '74-1=73'] Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,72 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[1, 72], Operations: ['82-80=2', '74-2=72'] Exploring Operation: 1*72=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[80, 82, 74, 1], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [74, 1, 2] Generated Node #0,0: 72:[74, 1, 2] Operation: 82-80=2 Moving to Node #0,0 Current State: 72:[74, 1, 2], Operations: ['82-80=2'] Exploring Operation: 74-2=72, Resulting Numbers: [1, 72] Generated Node #0,0,1: 72:[1, 72] Operation: 74-2=72 Moving to Node #0,0,1 Current State: 72:[1, 72], Operations: ['82-80=2', '74-2=72'] Exploring Operation: 1*72=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 59, 75, 23, 18 ]
46
[ "75-59=16", "18-16=2", "23*2=46" ]
Current State: 46:[59, 75, 23, 18], Operations: [] Exploring Operation: 75-59=16, Resulting Numbers: [23, 18, 16] Generated Node #2: [23, 18, 16] from Operation: 75-59=16 Current State: 46:[23, 18, 16], Operations: ['75-59=16'] Exploring Operation: 18-16=2, Resulting Numbers: [23, 2] Generated Node #3: [23, 2] from Operation: 18-16=2 Current State: 46:[23, 2], Operations: ['75-59=16', '18-16=2'] Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[59, 75, 23, 18], Operations: [] Exploring Operation: 75-18=57, Resulting Numbers: [59, 23, 57] Generated Node #0,0: 46:[59, 23, 57] Operation: 75-18=57 Exploring Operation: 59-18=41, Resulting Numbers: [75, 23, 41] Generated Node #0,1: 46:[75, 23, 41] Operation: 59-18=41 Exploring Operation: 75-23=52, Resulting Numbers: [59, 18, 52] Generated Node #0,2: 46:[59, 18, 52] Operation: 75-23=52 Exploring Operation: 75-59=16, Resulting Numbers: [23, 18, 16] Generated Node #0,3: 46:[23, 18, 16] Operation: 75-59=16 Moving to Node #0,3 Current State: 46:[23, 18, 16], Operations: ['75-59=16'] Exploring Operation: 18-16=2, Resulting Numbers: [23, 2] Generated Node #0,3,0: 46:[23, 2] Operation: 18-16=2 Exploring Operation: 18+16=34, Resulting Numbers: [23, 34] Generated Node #0,3,1: 46:[23, 34] Operation: 18+16=34 Exploring Operation: 23-18=5, Resulting Numbers: [16, 5] Generated Node #0,3,2: 46:[16, 5] Operation: 23-18=5 Exploring Operation: 23-16=7, Resulting Numbers: [18, 7] Generated Node #0,3,3: 46:[18, 7] Operation: 23-16=7 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 46:[23, 2], Operations: ['75-59=16', '18-16=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,46 unequal: No Solution Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[59, 75, 23, 18], Operations: [] Exploring Operation: 75-59=16, Resulting Numbers: [23, 18, 16] Generated Node #0,3: 46:[23, 18, 16] Operation: 75-59=16 Moving to Node #0,3 Current State: 46:[23, 18, 16], Operations: ['75-59=16'] Exploring Operation: 18-16=2, Resulting Numbers: [23, 2] Generated Node #0,3,0: 46:[23, 2] Operation: 18-16=2 Moving to Node #0,3,0 Current State: 46:[23, 2], Operations: ['75-59=16', '18-16=2'] Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 83, 73, 94, 11 ]
72
[ "94-83=11", "11/11=1", "73-1=72" ]
Current State: 72:[83, 73, 94, 11], Operations: [] Exploring Operation: 94-83=11, Resulting Numbers: [73, 11, 11] Generated Node #2: [73, 11, 11] from Operation: 94-83=11 Current State: 72:[73, 11, 11], Operations: ['94-83=11'] Exploring Operation: 11/11=1, Resulting Numbers: [73, 1] Generated Node #3: [73, 1] from Operation: 11/11=1 Current State: 72:[73, 1], Operations: ['94-83=11', '11/11=1'] Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[83, 73, 94, 11], Operations: [] Exploring Operation: 94-83=11, Resulting Numbers: [73, 11, 11] Generated Node #0,0: 72:[73, 11, 11] Operation: 94-83=11 Exploring Operation: 94-73=21, Resulting Numbers: [83, 11, 21] Generated Node #0,1: 72:[83, 11, 21] Operation: 94-73=21 Moving to Node #0,0 Current State: 72:[73, 11, 11], Operations: ['94-83=11'] Exploring Operation: 11+11=22, Resulting Numbers: [73, 22] Generated Node #0,0,0: 72:[73, 22] Operation: 11+11=22 Exploring Operation: 11/11=1, Resulting Numbers: [73, 1] Generated Node #0,0,1: 72:[73, 1] Operation: 11/11=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 72:[73, 1], Operations: ['94-83=11', '11/11=1'] Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,72 unequal: No Solution Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[83, 73, 94, 11], Operations: [] Exploring Operation: 94-83=11, Resulting Numbers: [73, 11, 11] Generated Node #0,0: 72:[73, 11, 11] Operation: 94-83=11 Moving to Node #0,0 Current State: 72:[73, 11, 11], Operations: ['94-83=11'] Exploring Operation: 11/11=1, Resulting Numbers: [73, 1] Generated Node #0,0,1: 72:[73, 1] Operation: 11/11=1 Moving to Node #0,0,1 Current State: 72:[73, 1], Operations: ['94-83=11', '11/11=1'] Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 27, 1, 37, 88 ]
97
[ "27+1=28", "37+88=125", "125-28=97" ]
Current State: 97:[27, 1, 37, 88], Operations: [] Exploring Operation: 27+1=28, Resulting Numbers: [37, 88, 28] Generated Node #2: [37, 88, 28] from Operation: 27+1=28 Current State: 97:[37, 88, 28], Operations: ['27+1=28'] Exploring Operation: 37+88=125, Resulting Numbers: [28, 125] Generated Node #3: [28, 125] from Operation: 37+88=125 Current State: 97:[28, 125], Operations: ['27+1=28', '37+88=125'] Exploring Operation: 125-28=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[27, 1, 37, 88], Operations: [] Exploring Operation: 27+1=28, Resulting Numbers: [37, 88, 28] Generated Node #0,0: 97:[37, 88, 28] Operation: 27+1=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[37, 88, 28], Operations: ['27+1=28'] Exploring Operation: 37+28=65, Resulting Numbers: [88, 65] Generated Node #0,0,0: 97:[88, 65] Operation: 37+28=65 Moving to Node #0,0,0 Current State: 97:[88, 65], Operations: ['27+1=28', '37+28=65'] Exploring Operation: 88+65=153, Resulting Numbers: [153] 153,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 82, 89, 24, 43 ]
74
[ "89-82=7", "24+43=67", "7+67=74" ]
Current State: 74:[82, 89, 24, 43], Operations: [] Exploring Operation: 89-82=7, Resulting Numbers: [24, 43, 7] Generated Node #2: [24, 43, 7] from Operation: 89-82=7 Current State: 74:[24, 43, 7], Operations: ['89-82=7'] Exploring Operation: 24+43=67, Resulting Numbers: [7, 67] Generated Node #3: [7, 67] from Operation: 24+43=67 Current State: 74:[7, 67], Operations: ['89-82=7', '24+43=67'] Exploring Operation: 7+67=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[82, 89, 24, 43], Operations: [] Exploring Operation: 89-24=65, Resulting Numbers: [82, 43, 65] Generated Node #0,0: 74:[82, 43, 65] Operation: 89-24=65 Exploring Operation: 89-82=7, Resulting Numbers: [24, 43, 7] Generated Node #0,1: 74:[24, 43, 7] Operation: 89-82=7 Exploring Operation: 82-43=39, Resulting Numbers: [89, 24, 39] Generated Node #0,2: 74:[89, 24, 39] Operation: 82-43=39 Moving to Node #0,0 Current State: 74:[82, 43, 65], Operations: ['89-24=65'] Exploring Operation: 65-43=22, Resulting Numbers: [82, 22] Generated Node #0,0,0: 74:[82, 22] Operation: 65-43=22 Exploring Operation: 82-43=39, Resulting Numbers: [65, 39] Generated Node #0,0,1: 74:[65, 39] Operation: 82-43=39 Exploring Operation: 82-65=17, Resulting Numbers: [43, 17] Generated Node #0,0,2: 74:[43, 17] Operation: 82-65=17 Moving to Node #0,1 Current State: 74:[24, 43, 7], Operations: ['89-82=7'] Exploring Operation: 24+7=31, Resulting Numbers: [43, 31] Generated Node #0,1,0: 74:[43, 31] Operation: 24+7=31 Exploring Operation: 43-7=36, Resulting Numbers: [24, 36] Generated Node #0,1,1: 74:[24, 36] Operation: 43-7=36 Exploring Operation: 24+43=67, Resulting Numbers: [7, 67] Generated Node #0,1,2: 74:[7, 67] Operation: 24+43=67 Moving to Node #0,2 Current State: 74:[89, 24, 39], Operations: ['82-43=39'] Exploring Operation: 89-39=50, Resulting Numbers: [24, 50] Generated Node #0,2,0: 74:[24, 50] Operation: 89-39=50 Exploring Operation: 24+39=63, Resulting Numbers: [89, 63] Generated Node #0,2,1: 74:[89, 63] Operation: 24+39=63 Exploring Operation: 89-24=65, Resulting Numbers: [39, 65] Generated Node #0,2,2: 74:[39, 65] Operation: 89-24=65 Moving to Node #0,0,1 Current State: 74:[65, 39], Operations: ['89-24=65', '82-43=39'] Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 65*39=2535, Resulting Numbers: [2535] 2535,74 unequal: No Solution Exploring Operation: 65+39=104, Resulting Numbers: [104] 104,74 unequal: No Solution Moving to Node #0,2,2 Current State: 74:[39, 65], Operations: ['82-43=39', '89-24=65'] Exploring Operation: 39+65=104, Resulting Numbers: [104] 104,74 unequal: No Solution Exploring Operation: 39*65=2535, Resulting Numbers: [2535] 2535,74 unequal: No Solution Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,74 unequal: No Solution Moving to Node #0,1,0 Current State: 74:[43, 31], Operations: ['89-82=7', '24+7=31'] Exploring Operation: 43*31=1333, Resulting Numbers: [1333] 1333,74 unequal: No Solution Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,74 unequal: No Solution Exploring Operation: 43+31=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[82, 89, 24, 43], Operations: [] Exploring Operation: 89-82=7, Resulting Numbers: [24, 43, 7] Generated Node #0,1: 74:[24, 43, 7] Operation: 89-82=7 Moving to Node #0,1 Current State: 74:[24, 43, 7], Operations: ['89-82=7'] Exploring Operation: 24+7=31, Resulting Numbers: [43, 31] Generated Node #0,1,0: 74:[43, 31] Operation: 24+7=31 Moving to Node #0,1,0 Current State: 74:[43, 31], Operations: ['89-82=7', '24+7=31'] Exploring Operation: 43+31=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.978299
hs_3
sum_heuristic
[ 9, 8, 88, 20 ]
10
[ "88/8=11", "11-9=2", "20/2=10" ]
Current State: 10:[9, 8, 88, 20], Operations: [] Exploring Operation: 88/8=11, Resulting Numbers: [9, 20, 11] Generated Node #2: [9, 20, 11] from Operation: 88/8=11 Current State: 10:[9, 20, 11], Operations: ['88/8=11'] Exploring Operation: 11-9=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 11-9=2 Current State: 10:[20, 2], Operations: ['88/8=11', '11-9=2'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[9, 8, 88, 20], Operations: [] Exploring Operation: 88/8=11, Resulting Numbers: [9, 20, 11] Generated Node #0,0: 10:[9, 20, 11] Operation: 88/8=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[9, 20, 11], Operations: ['88/8=11'] Exploring Operation: 20-9=11, Resulting Numbers: [11, 11] Generated Node #0,0,0: 10:[11, 11] Operation: 20-9=11 Moving to Node #0,0,0 Current State: 10:[11, 11], Operations: ['88/8=11', '20-9=11'] Exploring Operation: 11/11=1, Resulting Numbers: [1] 1,10 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
[ 46, 72, 66, 63 ]
98
[ "46+66=112", "63*112=7056", "7056/72=98" ]
Current State: 98:[46, 72, 66, 63], Operations: [] Exploring Operation: 46+66=112, Resulting Numbers: [72, 63, 112] Generated Node #2: [72, 63, 112] from Operation: 46+66=112 Current State: 98:[72, 63, 112], Operations: ['46+66=112'] Exploring Operation: 63*112=7056, Resulting Numbers: [72, 7056] Generated Node #3: [72, 7056] from Operation: 63*112=7056 Current State: 98:[72, 7056], Operations: ['46+66=112', '63*112=7056'] Exploring Operation: 7056/72=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[46, 72, 66, 63], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [46, 66, 9] Generated Node #0,0: 98:[46, 66, 9] Operation: 72-63=9 Exploring Operation: 72-66=6, Resulting Numbers: [46, 63, 6] Generated Node #0,1: 98:[46, 63, 6] Operation: 72-66=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[46, 63, 6], Operations: ['72-66=6'] Exploring Operation: 63-6=57, Resulting Numbers: [46, 57] Generated Node #0,1,0: 98:[46, 57] Operation: 63-6=57 Exploring Operation: 63-46=17, Resulting Numbers: [6, 17] Generated Node #0,1,1: 98:[6, 17] Operation: 63-46=17 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[6, 17], Operations: ['72-66=6', '63-46=17'] Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,98 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[46, 57], Operations: ['72-66=6', '63-6=57'] Exploring Operation: 57-46=11, Resulting Numbers: [11] 11,98 unequal: No Solution Exploring Operation: 46+57=103, Resulting Numbers: [103] 103,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[46, 66, 9], Operations: ['72-63=9'] Exploring Operation: 66-9=57, Resulting Numbers: [46, 57] Generated Node #0,0,0: 98:[46, 57] Operation: 66-9=57 Exploring Operation: 66-46=20, Resulting Numbers: [9, 20] Generated Node #0,0,1: 98:[9, 20] Operation: 66-46=20 Moving to Node #0,0,1 Current State: 98:[9, 20], Operations: ['72-63=9', '66-46=20'] Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,98 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[46, 57], Operations: ['72-63=9', '66-9=57'] Exploring Operation: 46+57=103, Resulting Numbers: [103] 103,98 unequal: No Solution Exploring Operation: 57-46=11, Resulting Numbers: [11] 11,98 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
[ 31, 70, 24, 84 ]
66
[ "31+24=55", "84*55=4620", "4620/70=66" ]
Current State: 66:[31, 70, 24, 84], Operations: [] Exploring Operation: 31+24=55, Resulting Numbers: [70, 84, 55] Generated Node #2: [70, 84, 55] from Operation: 31+24=55 Current State: 66:[70, 84, 55], Operations: ['31+24=55'] Exploring Operation: 84*55=4620, Resulting Numbers: [70, 4620] Generated Node #3: [70, 4620] from Operation: 84*55=4620 Current State: 66:[70, 4620], Operations: ['31+24=55', '84*55=4620'] Exploring Operation: 4620/70=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[31, 70, 24, 84], Operations: [] Exploring Operation: 84-70=14, Resulting Numbers: [31, 24, 14] Generated Node #0,0: 66:[31, 24, 14] Operation: 84-70=14 Exploring Operation: 84-24=60, Resulting Numbers: [31, 70, 60] Generated Node #0,1: 66:[31, 70, 60] Operation: 84-24=60 Moving to Node #0,0 Current State: 66:[31, 24, 14], Operations: ['84-70=14'] Exploring Operation: 24-14=10, Resulting Numbers: [31, 10] Generated Node #0,0,0: 66:[31, 10] Operation: 24-14=10 Exploring Operation: 31-24=7, Resulting Numbers: [14, 7] Generated Node #0,0,1: 66:[14, 7] Operation: 31-24=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[31, 10], Operations: ['84-70=14', '24-14=10'] Exploring Operation: 31+10=41, Resulting Numbers: [41] 41,66 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,66 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 #0,0,1 Current State: 66:[14, 7], Operations: ['84-70=14', '31-24=7'] Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,66 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,66 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: 66:[31, 70, 60], Operations: ['84-24=60'] Exploring Operation: 70-60=10, Resulting Numbers: [31, 10] Generated Node #0,1,0: 66:[31, 10] Operation: 70-60=10 Exploring Operation: 60-31=29, Resulting Numbers: [70, 29] Generated Node #0,1,1: 66:[70, 29] Operation: 60-31=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[31, 10], Operations: ['84-24=60', '70-60=10'] Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,66 unequal: No Solution Exploring Operation: 31+10=41, Resulting Numbers: [41] 41,66 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:[70, 29], Operations: ['84-24=60', '60-31=29'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,66 unequal: No Solution Exploring Operation: 70+29=99, Resulting Numbers: [99] 99,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 52, 85, 34, 96 ]
95
[ "85-52=33", "96-34=62", "33+62=95" ]
Current State: 95:[52, 85, 34, 96], Operations: [] Exploring Operation: 85-52=33, Resulting Numbers: [34, 96, 33] Generated Node #2: [34, 96, 33] from Operation: 85-52=33 Current State: 95:[34, 96, 33], Operations: ['85-52=33'] Exploring Operation: 96-34=62, Resulting Numbers: [33, 62] Generated Node #3: [33, 62] from Operation: 96-34=62 Current State: 95:[33, 62], Operations: ['85-52=33', '96-34=62'] Exploring Operation: 33+62=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[52, 85, 34, 96], Operations: [] Exploring Operation: 52-34=18, Resulting Numbers: [85, 96, 18] Generated Node #0,0: 95:[85, 96, 18] Operation: 52-34=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[85, 96, 18], Operations: ['52-34=18'] Exploring Operation: 96-85=11, Resulting Numbers: [18, 11] Generated Node #0,0,0: 95:[18, 11] Operation: 96-85=11 Moving to Node #0,0,0 Current State: 95:[18, 11], Operations: ['52-34=18', '96-85=11'] Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,95 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
[ 64, 24, 28, 4 ]
22
[ "28+4=32", "64/32=2", "24-2=22" ]
Current State: 22:[64, 24, 28, 4], Operations: [] Exploring Operation: 28+4=32, Resulting Numbers: [64, 24, 32] Generated Node #2: [64, 24, 32] from Operation: 28+4=32 Current State: 22:[64, 24, 32], Operations: ['28+4=32'] Exploring Operation: 64/32=2, Resulting Numbers: [24, 2] Generated Node #3: [24, 2] from Operation: 64/32=2 Current State: 22:[24, 2], Operations: ['28+4=32', '64/32=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[64, 24, 28, 4], Operations: [] Exploring Operation: 64-28=36, Resulting Numbers: [24, 4, 36] Generated Node #0,0: 22:[24, 4, 36] Operation: 64-28=36 Exploring Operation: 64/4=16, Resulting Numbers: [24, 28, 16] Generated Node #0,1: 22:[24, 28, 16] Operation: 64/4=16 Exploring Operation: 64-24=40, Resulting Numbers: [28, 4, 40] Generated Node #0,2: 22:[28, 4, 40] Operation: 64-24=40 Exploring Operation: 64-4=60, Resulting Numbers: [24, 28, 60] Generated Node #0,3: 22:[24, 28, 60] Operation: 64-4=60 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[24, 28, 16], Operations: ['64/4=16'] Exploring Operation: 28-16=12, Resulting Numbers: [24, 12] Generated Node #0,1,0: 22:[24, 12] Operation: 28-16=12 Exploring Operation: 24-16=8, Resulting Numbers: [28, 8] Generated Node #0,1,1: 22:[28, 8] Operation: 24-16=8 Exploring Operation: 24+16=40, Resulting Numbers: [28, 40] Generated Node #0,1,2: 22:[28, 40] Operation: 24+16=40 Exploring Operation: 28-24=4, Resulting Numbers: [16, 4] Generated Node #0,1,3: 22:[16, 4] Operation: 28-24=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 22:[24, 12], Operations: ['64/4=16', '28-16=12'] Exploring Operation: 24*12=288, Resulting Numbers: [288] 288,22 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,22 unequal: No Solution Exploring Operation: 24+12=36, Resulting Numbers: [36] 36,22 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 #0,1,3 Current State: 22:[16, 4], Operations: ['64/4=16', '28-24=4'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,22 unequal: No Solution Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,22 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:[28, 8], Operations: ['64/4=16', '24-16=8'] Exploring Operation: 28*8=224, Resulting Numbers: [224] 224,22 unequal: No Solution Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,22 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,22 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 #0,1,2 Current State: 22:[28, 40], Operations: ['64/4=16', '24+16=40'] Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 28*40=1120, Resulting Numbers: [1120] 1120,22 unequal: No Solution Exploring Operation: 28+40=68, Resulting Numbers: [68] 68,22 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:[24, 4, 36], Operations: ['64-28=36'] Exploring Operation: 36-4=32, Resulting Numbers: [24, 32] Generated Node #0,0,0: 22:[24, 32] Operation: 36-4=32 Exploring Operation: 36/4=9, Resulting Numbers: [24, 9] Generated Node #0,0,1: 22:[24, 9] Operation: 36/4=9 Exploring Operation: 24-4=20, Resulting Numbers: [36, 20] Generated Node #0,0,2: 22:[36, 20] Operation: 24-4=20 Exploring Operation: 36-24=12, Resulting Numbers: [4, 12] Generated Node #0,0,3: 22:[4, 12] Operation: 36-24=12 Moving to Node #0,0,3 Current State: 22:[4, 12], Operations: ['64-28=36', '36-24=12'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,22 unequal: No Solution Moving to Node #0,0,1 Current State: 22:[24, 9], Operations: ['64-28=36', '36/4=9'] Exploring Operation: 24*9=216, Resulting Numbers: [216] 216,22 unequal: No Solution Exploring Operation: 24+9=33, Resulting Numbers: [33] 33,22 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,22 unequal: No Solution Moving to Node #0,0,0 Current State: 22:[24, 32], Operations: ['64-28=36', '36-4=32'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,22 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,22 unequal: No Solution Moving to Node #0,0,2 Current State: 22:[36, 20], Operations: ['64-28=36', '24-4=20'] Exploring Operation: 36*20=720, Resulting Numbers: [720] 720,22 unequal: No Solution Exploring Operation: 36+20=56, Resulting Numbers: [56] 56,22 unequal: No Solution Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,22 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:[28, 4, 40], Operations: ['64-24=40'] Exploring Operation: 28-4=24, Resulting Numbers: [40, 24] Generated Node #0,2,0: 22:[40, 24] Operation: 28-4=24 Exploring Operation: 40/4=10, Resulting Numbers: [28, 10] Generated Node #0,2,1: 22:[28, 10] Operation: 40/4=10 Exploring Operation: 40-28=12, Resulting Numbers: [4, 12] Generated Node #0,2,2: 22:[4, 12] Operation: 40-28=12 Exploring Operation: 40-4=36, Resulting Numbers: [28, 36] Generated Node #0,2,3: 22:[28, 36] Operation: 40-4=36 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 22:[4, 12], Operations: ['64-24=40', '40-28=12'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,22 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 22:[28, 10], Operations: ['64-24=40', '40/4=10'] Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,22 unequal: No Solution Exploring Operation: 28+10=38, Resulting Numbers: [38] 38,22 unequal: No Solution Exploring Operation: 28*10=280, Resulting Numbers: [280] 280,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 22:[40, 24], Operations: ['64-24=40', '28-4=24'] Exploring Operation: 40*24=960, Resulting Numbers: [960] 960,22 unequal: No Solution Exploring Operation: 40+24=64, Resulting Numbers: [64] 64,22 unequal: No Solution Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 22:[28, 36], Operations: ['64-24=40', '40-4=36'] Exploring Operation: 28*36=1008, Resulting Numbers: [1008] 1008,22 unequal: No Solution Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 28+36=64, Resulting Numbers: [64] 64,22 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 #0,3 Current State: 22:[24, 28, 60], Operations: ['64-4=60'] Exploring Operation: 28-24=4, Resulting Numbers: [60, 4] Generated Node #0,3,0: 22:[60, 4] Operation: 28-24=4 Exploring Operation: 24+28=52, Resulting Numbers: [60, 52] Generated Node #0,3,1: 22:[60, 52] Operation: 24+28=52 Exploring Operation: 60-24=36, Resulting Numbers: [28, 36] Generated Node #0,3,2: 22:[28, 36] Operation: 60-24=36 Exploring Operation: 60-28=32, Resulting Numbers: [24, 32] Generated Node #0,3,3: 22:[24, 32] Operation: 60-28=32 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 22:[24, 32], Operations: ['64-4=60', '60-28=32'] Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,22 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 22:[28, 36], Operations: ['64-4=60', '60-24=36'] Exploring Operation: 28+36=64, Resulting Numbers: [64] 64,22 unequal: No Solution Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 28*36=1008, Resulting Numbers: [1008] 1008,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 22:[60, 4], Operations: ['64-4=60', '28-24=4'] Exploring Operation: 60+4=64, Resulting Numbers: [64] 64,22 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,22 unequal: No Solution Exploring Operation: 60*4=240, Resulting Numbers: [240] 240,22 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 22:[60, 52], Operations: ['64-4=60', '24+28=52'] Exploring Operation: 60+52=112, Resulting Numbers: [112] 112,22 unequal: No Solution Exploring Operation: 60-52=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 60*52=3120, Resulting Numbers: [3120] 3120,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 54, 12, 50, 92 ]
76
[ "54+12=66", "50+92=142", "142-66=76" ]
Current State: 76:[54, 12, 50, 92], Operations: [] Exploring Operation: 54+12=66, Resulting Numbers: [50, 92, 66] Generated Node #2: [50, 92, 66] from Operation: 54+12=66 Current State: 76:[50, 92, 66], Operations: ['54+12=66'] Exploring Operation: 50+92=142, Resulting Numbers: [66, 142] Generated Node #3: [66, 142] from Operation: 50+92=142 Current State: 76:[66, 142], Operations: ['54+12=66', '50+92=142'] Exploring Operation: 142-66=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[54, 12, 50, 92], Operations: [] Exploring Operation: 54-12=42, Resulting Numbers: [50, 92, 42] Generated Node #0,0: 76:[50, 92, 42] Operation: 54-12=42 Exploring Operation: 50-12=38, Resulting Numbers: [54, 92, 38] Generated Node #0,1: 76:[54, 92, 38] Operation: 50-12=38 Exploring Operation: 92-50=42, Resulting Numbers: [54, 12, 42] Generated Node #0,2: 76:[54, 12, 42] Operation: 92-50=42 Exploring Operation: 54-50=4, Resulting Numbers: [12, 92, 4] Generated Node #0,3: 76:[12, 92, 4] Operation: 54-50=4 Exploring Operation: 92-54=38, Resulting Numbers: [12, 50, 38] Generated Node #0,4: 76:[12, 50, 38] Operation: 92-54=38 Moving to Node #0,4 Current State: 76:[12, 50, 38], Operations: ['92-54=38'] Exploring Operation: 38-12=26, Resulting Numbers: [50, 26] Generated Node #0,4,0: 76:[50, 26] Operation: 38-12=26 Exploring Operation: 12+50=62, Resulting Numbers: [38, 62] Generated Node #0,4,1: 76:[38, 62] Operation: 12+50=62 Exploring Operation: 50+38=88, Resulting Numbers: [12, 88] Generated Node #0,4,2: 76:[12, 88] Operation: 50+38=88 Exploring Operation: 50-38=12, Resulting Numbers: [12, 12] Generated Node #0,4,3: 76:[12, 12] Operation: 50-38=12 Exploring Operation: 50-12=38, Resulting Numbers: [38, 38] Generated Node #0,4,4: 76:[38, 38] Operation: 50-12=38 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 76:[38, 38], Operations: ['92-54=38', '50-12=38'] Exploring Operation: 38+38=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[54, 12, 50, 92], Operations: [] Exploring Operation: 92-54=38, Resulting Numbers: [12, 50, 38] Generated Node #0,4: 76:[12, 50, 38] Operation: 92-54=38 Moving to Node #0,4 Current State: 76:[12, 50, 38], Operations: ['92-54=38'] Exploring Operation: 50-12=38, Resulting Numbers: [38, 38] Generated Node #0,4,4: 76:[38, 38] Operation: 50-12=38 Moving to Node #0,4,4 Current State: 76:[38, 38], Operations: ['92-54=38', '50-12=38'] Exploring Operation: 38+38=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 72, 70, 5, 6 ]
52
[ "72-6=66", "70/5=14", "66-14=52" ]
Current State: 52:[72, 70, 5, 6], Operations: [] Exploring Operation: 72-6=66, Resulting Numbers: [70, 5, 66] Generated Node #2: [70, 5, 66] from Operation: 72-6=66 Current State: 52:[70, 5, 66], Operations: ['72-6=66'] Exploring Operation: 70/5=14, Resulting Numbers: [66, 14] Generated Node #3: [66, 14] from Operation: 70/5=14 Current State: 52:[66, 14], Operations: ['72-6=66', '70/5=14'] Exploring Operation: 66-14=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[72, 70, 5, 6], Operations: [] Exploring Operation: 70/5=14, Resulting Numbers: [72, 6, 14] Generated Node #0,0: 52:[72, 6, 14] Operation: 70/5=14 Exploring Operation: 72-70=2, Resulting Numbers: [5, 6, 2] Generated Node #0,1: 52:[5, 6, 2] Operation: 72-70=2 Exploring Operation: 72/6=12, Resulting Numbers: [70, 5, 12] Generated Node #0,2: 52:[70, 5, 12] Operation: 72/6=12 Moving to Node #0,1 Current State: 52:[5, 6, 2], Operations: ['72-70=2'] Exploring Operation: 5+6=11, Resulting Numbers: [2, 11] Generated Node #0,1,0: 52:[2, 11] Operation: 5+6=11 Exploring Operation: 6-2=4, Resulting Numbers: [5, 4] Generated Node #0,1,1: 52:[5, 4] Operation: 6-2=4 Exploring Operation: 6-5=1, Resulting Numbers: [2, 1] Generated Node #0,1,2: 52:[2, 1] Operation: 6-5=1 Moving to Node #0,2 Current State: 52:[70, 5, 12], Operations: ['72/6=12'] Exploring Operation: 70-12=58, Resulting Numbers: [5, 58] Generated Node #0,2,0: 52:[5, 58] Operation: 70-12=58 Exploring Operation: 70-5=65, Resulting Numbers: [12, 65] Generated Node #0,2,1: 52:[12, 65] Operation: 70-5=65 Exploring Operation: 70/5=14, Resulting Numbers: [12, 14] Generated Node #0,2,2: 52:[12, 14] Operation: 70/5=14 Moving to Node #0,0 Current State: 52:[72, 6, 14], Operations: ['70/5=14'] Exploring Operation: 72-6=66, Resulting Numbers: [14, 66] Generated Node #0,0,0: 52:[14, 66] Operation: 72-6=66 Exploring Operation: 72/6=12, Resulting Numbers: [14, 12] Generated Node #0,0,1: 52:[14, 12] Operation: 72/6=12 Exploring Operation: 72-14=58, Resulting Numbers: [6, 58] Generated Node #0,0,2: 52:[6, 58] Operation: 72-14=58 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[14, 12], Operations: ['70/5=14', '72/6=12'] Exploring Operation: 14*12=168, Resulting Numbers: [168] 168,52 unequal: No Solution Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[6, 58], Operations: ['70/5=14', '72-14=58'] Exploring Operation: 6*58=348, Resulting Numbers: [348] 348,52 unequal: No Solution Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[72, 70, 5, 6], Operations: [] Exploring Operation: 70/5=14, Resulting Numbers: [72, 6, 14] Generated Node #0,0: 52:[72, 6, 14] Operation: 70/5=14 Moving to Node #0,0 Current State: 52:[72, 6, 14], Operations: ['70/5=14'] Exploring Operation: 72-14=58, Resulting Numbers: [6, 58] Generated Node #0,0,2: 52:[6, 58] Operation: 72-14=58 Moving to Node #0,0,2 Current State: 52:[6, 58], Operations: ['70/5=14', '72-14=58'] Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_3
mult_heuristic
[ 28, 18, 51, 13 ]
84
[ "28+18=46", "51-13=38", "46+38=84" ]
Current State: 84:[28, 18, 51, 13], Operations: [] Exploring Operation: 28+18=46, Resulting Numbers: [51, 13, 46] Generated Node #2: [51, 13, 46] from Operation: 28+18=46 Current State: 84:[51, 13, 46], Operations: ['28+18=46'] Exploring Operation: 51-13=38, Resulting Numbers: [46, 38] Generated Node #3: [46, 38] from Operation: 51-13=38 Current State: 84:[46, 38], Operations: ['28+18=46', '51-13=38'] Exploring Operation: 46+38=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[28, 18, 51, 13], Operations: [] Exploring Operation: 51-28=23, Resulting Numbers: [18, 13, 23] Generated Node #0,0: 84:[18, 13, 23] Operation: 51-28=23 Moving to Node #0,0 Current State: 84:[18, 13, 23], Operations: ['51-28=23'] Exploring Operation: 18+23=41, Resulting Numbers: [13, 41] Generated Node #0,0,0: 84:[13, 41] Operation: 18+23=41 Moving to Node #0,0,0 Current State: 84:[13, 41], Operations: ['51-28=23', '18+23=41'] Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,84 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 57, 23, 39, 57 ]
52
[ "57-23=34", "57-39=18", "34+18=52" ]
Current State: 52:[57, 23, 39, 57], Operations: [] Exploring Operation: 57-23=34, Resulting Numbers: [39, 34] Generated Node #2: [39, 34] from Operation: 57-23=34 Current State: 52:[39, 34], Operations: ['57-23=34'] Exploring Operation: 57-39=18, Resulting Numbers: [34, 18] Generated Node #3: [34, 18] from Operation: 57-39=18 Current State: 52:[34, 18], Operations: ['57-23=34', '57-39=18'] Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[57, 23, 39, 57], Operations: [] Exploring Operation: 57-39=18, Resulting Numbers: [23, 57, 18] Generated Node #0,0: 52:[23, 57, 18] Operation: 57-39=18 Exploring Operation: 39-23=16, Resulting Numbers: [57, 57, 16] Generated Node #0,1: 52:[57, 57, 16] Operation: 39-23=16 Moving to Node #0,0 Current State: 52:[23, 57, 18], Operations: ['57-39=18'] Exploring Operation: 57-23=34, Resulting Numbers: [18, 34] Generated Node #0,0,0: 52:[18, 34] Operation: 57-23=34 Exploring Operation: 23-18=5, Resulting Numbers: [57, 5] Generated Node #0,0,1: 52:[57, 5] Operation: 23-18=5 Moving to Node #0,1 Current State: 52:[57, 57, 16], Operations: ['39-23=16'] Exploring Operation: 57/57=1, Resulting Numbers: [16, 1] Generated Node #0,1,0: 52:[16, 1] Operation: 57/57=1 Exploring Operation: 57-57=0, Resulting Numbers: [16, 0] Generated Node #0,1,1: 52:[16, 0] Operation: 57-57=0 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[16, 1], Operations: ['39-23=16', '57/57=1'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[16, 0], Operations: ['39-23=16', '57-57=0'] Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,52 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:[57, 5], Operations: ['57-39=18', '23-18=5'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[57, 23, 39, 57], Operations: [] Exploring Operation: 57-39=18, Resulting Numbers: [23, 57, 18] Generated Node #0,0: 52:[23, 57, 18] Operation: 57-39=18 Moving to Node #0,0 Current State: 52:[23, 57, 18], Operations: ['57-39=18'] Exploring Operation: 23-18=5, Resulting Numbers: [57, 5] Generated Node #0,0,1: 52:[57, 5] Operation: 23-18=5 Moving to Node #0,0,1 Current State: 52:[57, 5], Operations: ['57-39=18', '23-18=5'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 5, 33, 22, 24 ]
79
[ "33-22=11", "5*11=55", "24+55=79" ]
Current State: 79:[5, 33, 22, 24], Operations: [] Exploring Operation: 33-22=11, Resulting Numbers: [5, 24, 11] Generated Node #2: [5, 24, 11] from Operation: 33-22=11 Current State: 79:[5, 24, 11], Operations: ['33-22=11'] Exploring Operation: 5*11=55, Resulting Numbers: [24, 55] Generated Node #3: [24, 55] from Operation: 5*11=55 Current State: 79:[24, 55], Operations: ['33-22=11', '5*11=55'] Exploring Operation: 24+55=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[5, 33, 22, 24], Operations: [] Exploring Operation: 5*22=110, Resulting Numbers: [33, 24, 110] Generated Node #0,0: 79:[33, 24, 110] Operation: 5*22=110 Exploring Operation: 5*24=120, Resulting Numbers: [33, 22, 120] Generated Node #0,1: 79:[33, 22, 120] Operation: 5*24=120 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[33, 24, 110], Operations: ['5*22=110'] Exploring Operation: 33+24=57, Resulting Numbers: [110, 57] Generated Node #0,0,0: 79:[110, 57] Operation: 33+24=57 Exploring Operation: 110-24=86, Resulting Numbers: [33, 86] Generated Node #0,0,1: 79:[33, 86] Operation: 110-24=86 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[110, 57], Operations: ['5*22=110', '33+24=57'] Exploring Operation: 110-57=53, Resulting Numbers: [53] 53,79 unequal: No Solution Exploring Operation: 110+57=167, Resulting Numbers: [167] 167,79 unequal: No Solution No 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: 79:[33, 86], Operations: ['5*22=110', '110-24=86'] Exploring Operation: 33+86=119, Resulting Numbers: [119] 119,79 unequal: No Solution Exploring Operation: 86-33=53, Resulting Numbers: [53] 53,79 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: 79:[33, 22, 120], Operations: ['5*24=120'] Exploring Operation: 33+22=55, Resulting Numbers: [120, 55] Generated Node #0,1,0: 79:[120, 55] Operation: 33+22=55 Exploring Operation: 120-33=87, Resulting Numbers: [22, 87] Generated Node #0,1,1: 79:[22, 87] Operation: 120-33=87 Moving to Node #0,1,0 Current State: 79:[120, 55], Operations: ['5*24=120', '33+22=55'] Exploring Operation: 120+55=175, Resulting Numbers: [175] 175,79 unequal: No Solution Exploring Operation: 120-55=65, Resulting Numbers: [65] 65,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[22, 87], Operations: ['5*24=120', '120-33=87'] Exploring Operation: 87-22=65, Resulting Numbers: [65] 65,79 unequal: No Solution Exploring Operation: 22+87=109, Resulting Numbers: [109] 109,79 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
[ 16, 58, 53, 81 ]
46
[ "16+58=74", "81-53=28", "74-28=46" ]
Current State: 46:[16, 58, 53, 81], Operations: [] Exploring Operation: 16+58=74, Resulting Numbers: [53, 81, 74] Generated Node #2: [53, 81, 74] from Operation: 16+58=74 Current State: 46:[53, 81, 74], Operations: ['16+58=74'] Exploring Operation: 81-53=28, Resulting Numbers: [74, 28] Generated Node #3: [74, 28] from Operation: 81-53=28 Current State: 46:[74, 28], Operations: ['16+58=74', '81-53=28'] Exploring Operation: 74-28=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[16, 58, 53, 81], Operations: [] Exploring Operation: 58-53=5, Resulting Numbers: [16, 81, 5] Generated Node #0,0: 46:[16, 81, 5] Operation: 58-53=5 Exploring Operation: 58-16=42, Resulting Numbers: [53, 81, 42] Generated Node #0,1: 46:[53, 81, 42] Operation: 58-16=42 Exploring Operation: 81-53=28, Resulting Numbers: [16, 58, 28] Generated Node #0,2: 46:[16, 58, 28] Operation: 81-53=28 Exploring Operation: 81-58=23, Resulting Numbers: [16, 53, 23] Generated Node #0,3: 46:[16, 53, 23] Operation: 81-58=23 Exploring Operation: 81-16=65, Resulting Numbers: [58, 53, 65] Generated Node #0,4: 46:[58, 53, 65] Operation: 81-16=65 Moving to Node #0,3 Current State: 46:[16, 53, 23], Operations: ['81-58=23'] Exploring Operation: 23-16=7, Resulting Numbers: [53, 7] Generated Node #0,3,0: 46:[53, 7] Operation: 23-16=7 Exploring Operation: 16+23=39, Resulting Numbers: [53, 39] Generated Node #0,3,1: 46:[53, 39] Operation: 16+23=39 Exploring Operation: 53-16=37, Resulting Numbers: [23, 37] Generated Node #0,3,2: 46:[23, 37] Operation: 53-16=37 Exploring Operation: 53-23=30, Resulting Numbers: [16, 30] Generated Node #0,3,3: 46:[16, 30] Operation: 53-23=30 Exploring Operation: 16+53=69, Resulting Numbers: [23, 69] Generated Node #0,3,4: 46:[23, 69] Operation: 16+53=69 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 46:[23, 37], Operations: ['81-58=23', '53-16=37'] Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 23+37=60, Resulting Numbers: [60] 60,46 unequal: No Solution Exploring Operation: 23*37=851, Resulting Numbers: [851] 851,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 46:[53, 7], Operations: ['81-58=23', '23-16=7'] Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,46 unequal: No Solution Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[16, 58, 53, 81], Operations: [] Exploring Operation: 81-58=23, Resulting Numbers: [16, 53, 23] Generated Node #0,3: 46:[16, 53, 23] Operation: 81-58=23 Moving to Node #0,3 Current State: 46:[16, 53, 23], Operations: ['81-58=23'] Exploring Operation: 23-16=7, Resulting Numbers: [53, 7] Generated Node #0,3,0: 46:[53, 7] Operation: 23-16=7 Moving to Node #0,3,0 Current State: 46:[53, 7], Operations: ['81-58=23', '23-16=7'] Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 9, 35, 34, 2 ]
61
[ "9+35=44", "34/2=17", "44+17=61" ]
Current State: 61:[9, 35, 34, 2], Operations: [] Exploring Operation: 9+35=44, Resulting Numbers: [34, 2, 44] Generated Node #2: [34, 2, 44] from Operation: 9+35=44 Current State: 61:[34, 2, 44], Operations: ['9+35=44'] Exploring Operation: 34/2=17, Resulting Numbers: [44, 17] Generated Node #3: [44, 17] from Operation: 34/2=17 Current State: 61:[44, 17], Operations: ['9+35=44', '34/2=17'] Exploring Operation: 44+17=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[9, 35, 34, 2], Operations: [] Exploring Operation: 34*2=68, Resulting Numbers: [9, 35, 68] Generated Node #0,0: 61:[9, 35, 68] Operation: 34*2=68 Exploring Operation: 35*2=70, Resulting Numbers: [9, 34, 70] Generated Node #0,1: 61:[9, 34, 70] Operation: 35*2=70 Moving to Node #0,0 Current State: 61:[9, 35, 68], Operations: ['34*2=68'] Exploring Operation: 68-9=59, Resulting Numbers: [35, 59] Generated Node #0,0,0: 61:[35, 59] Operation: 68-9=59 Exploring Operation: 9+35=44, Resulting Numbers: [68, 44] Generated Node #0,0,1: 61:[68, 44] Operation: 9+35=44 Moving to Node #0,1 Current State: 61:[9, 34, 70], Operations: ['35*2=70'] Exploring Operation: 9+34=43, Resulting Numbers: [70, 43] Generated Node #0,1,0: 61:[70, 43] Operation: 9+34=43 Exploring Operation: 70-9=61, Resulting Numbers: [34, 61] Generated Node #0,1,1: 61:[34, 61] Operation: 70-9=61 Moving to Node #0,0,1 Current State: 61:[68, 44], Operations: ['34*2=68', '9+35=44'] Exploring Operation: 68-44=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 68+44=112, Resulting Numbers: [112] 112,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[70, 43], Operations: ['35*2=70', '9+34=43'] Exploring Operation: 70+43=113, Resulting Numbers: [113] 113,61 unequal: No Solution Exploring Operation: 70-43=27, Resulting Numbers: [27] 27,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[34, 61], Operations: ['35*2=70', '70-9=61'] Exploring Operation: 34+61=95, Resulting Numbers: [95] 95,61 unequal: No Solution Exploring Operation: 61-34=27, Resulting Numbers: [27] 27,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[35, 59], Operations: ['34*2=68', '68-9=59'] Exploring Operation: 35+59=94, Resulting Numbers: [94] 94,61 unequal: No Solution Exploring Operation: 59-35=24, Resulting Numbers: [24] 24,61 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 65, 82, 74, 17 ]
71
[ "74-65=9", "17*9=153", "153-82=71" ]
Current State: 71:[65, 82, 74, 17], Operations: [] Exploring Operation: 74-65=9, Resulting Numbers: [82, 17, 9] Generated Node #2: [82, 17, 9] from Operation: 74-65=9 Current State: 71:[82, 17, 9], Operations: ['74-65=9'] Exploring Operation: 17*9=153, Resulting Numbers: [82, 153] Generated Node #3: [82, 153] from Operation: 17*9=153 Current State: 71:[82, 153], Operations: ['74-65=9', '17*9=153'] Exploring Operation: 153-82=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[65, 82, 74, 17], Operations: [] Exploring Operation: 65+17=82, Resulting Numbers: [82, 74, 82] Generated Node #0,0: 71:[82, 74, 82] Operation: 65+17=82 Exploring Operation: 82-17=65, Resulting Numbers: [65, 74, 65] Generated Node #0,1: 71:[65, 74, 65] Operation: 82-17=65 Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[65, 74, 65], Operations: ['82-17=65'] Exploring Operation: 65+65=130, Resulting Numbers: [74, 130] Generated Node #0,1,0: 71:[74, 130] Operation: 65+65=130 Exploring Operation: 74-65=9, Resulting Numbers: [65, 9] Generated Node #0,1,1: 71:[65, 9] Operation: 74-65=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[74, 130], Operations: ['82-17=65', '65+65=130'] Exploring Operation: 74+130=204, Resulting Numbers: [204] 204,71 unequal: No Solution Exploring Operation: 130-74=56, Resulting Numbers: [56] 56,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[65, 9], Operations: ['82-17=65', '74-65=9'] Exploring Operation: 65+9=74, Resulting Numbers: [74] 74,71 unequal: No Solution Exploring Operation: 65-9=56, Resulting Numbers: [56] 56,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[82, 74, 82], Operations: ['65+17=82'] Exploring Operation: 82/82=1, Resulting Numbers: [74, 1] Generated Node #0,0,0: 71:[74, 1] Operation: 82/82=1 Exploring Operation: 82-74=8, Resulting Numbers: [82, 8] Generated Node #0,0,1: 71:[82, 8] Operation: 82-74=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[74, 1], Operations: ['65+17=82', '82/82=1'] Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,71 unequal: No Solution Exploring Operation: 74-1=73, Resulting Numbers: [73] 73,71 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 #0,0,1 Current State: 71:[82, 8], Operations: ['65+17=82', '82-74=8'] Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,71 unequal: No Solution Exploring Operation: 82+8=90, Resulting Numbers: [90] 90,71 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
mult_heuristic
[ 10, 55, 88, 55 ]
78
[ "10+55=65", "88+55=143", "143-65=78" ]
Current State: 78:[10, 55, 88, 55], Operations: [] Exploring Operation: 10+55=65, Resulting Numbers: [88, 65] Generated Node #2: [88, 65] from Operation: 10+55=65 Current State: 78:[88, 65], Operations: ['10+55=65'] Exploring Operation: 88+55=143, Resulting Numbers: [65, 143] Generated Node #3: [65, 143] from Operation: 88+55=143 Current State: 78:[65, 143], Operations: ['10+55=65', '88+55=143'] Exploring Operation: 143-65=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[10, 55, 88, 55], Operations: [] Exploring Operation: 55-55=0, Resulting Numbers: [10, 88, 0] Generated Node #0,0: 78:[10, 88, 0] Operation: 55-55=0 Exploring Operation: 55/55=1, Resulting Numbers: [10, 88, 1] Generated Node #0,1: 78:[10, 88, 1] Operation: 55/55=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[10, 88, 1], Operations: ['55/55=1'] Exploring Operation: 88-10=78, Resulting Numbers: [1, 78] Generated Node #0,1,0: 78:[1, 78] Operation: 88-10=78 Exploring Operation: 10+1=11, Resulting Numbers: [88, 11] Generated Node #0,1,1: 78:[88, 11] Operation: 10+1=11 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 78:[1, 78], Operations: ['55/55=1', '88-10=78'] Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[10, 55, 88, 55], Operations: [] Exploring Operation: 55/55=1, Resulting Numbers: [10, 88, 1] Generated Node #0,1: 78:[10, 88, 1] Operation: 55/55=1 Moving to Node #0,1 Current State: 78:[10, 88, 1], Operations: ['55/55=1'] Exploring Operation: 88-10=78, Resulting Numbers: [1, 78] Generated Node #0,1,0: 78:[1, 78] Operation: 88-10=78 Moving to Node #0,1,0 Current State: 78:[1, 78], Operations: ['55/55=1', '88-10=78'] Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 14, 43, 6, 21 ]
42
[ "14+43=57", "21-6=15", "57-15=42" ]
Current State: 42:[14, 43, 6, 21], Operations: [] Exploring Operation: 14+43=57, Resulting Numbers: [6, 21, 57] Generated Node #2: [6, 21, 57] from Operation: 14+43=57 Current State: 42:[6, 21, 57], Operations: ['14+43=57'] Exploring Operation: 21-6=15, Resulting Numbers: [57, 15] Generated Node #3: [57, 15] from Operation: 21-6=15 Current State: 42:[57, 15], Operations: ['14+43=57', '21-6=15'] Exploring Operation: 57-15=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[14, 43, 6, 21], Operations: [] Exploring Operation: 14+6=20, Resulting Numbers: [43, 21, 20] Generated Node #0,0: 42:[43, 21, 20] Operation: 14+6=20 Exploring Operation: 21-14=7, Resulting Numbers: [43, 6, 7] Generated Node #0,1: 42:[43, 6, 7] Operation: 21-14=7 Exploring Operation: 43-21=22, Resulting Numbers: [14, 6, 22] Generated Node #0,2: 42:[14, 6, 22] Operation: 43-21=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[43, 6, 7], Operations: ['21-14=7'] Exploring Operation: 6+7=13, Resulting Numbers: [43, 13] Generated Node #0,1,0: 42:[43, 13] Operation: 6+7=13 Exploring Operation: 6*7=42, Resulting Numbers: [43, 42] Generated Node #0,1,1: 42:[43, 42] Operation: 6*7=42 Exploring Operation: 7-6=1, Resulting Numbers: [43, 1] Generated Node #0,1,2: 42:[43, 1] Operation: 7-6=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 42:[43, 42], Operations: ['21-14=7', '6*7=42'] Exploring Operation: 43+42=85, Resulting Numbers: [85] 85,42 unequal: No Solution Exploring Operation: 43*42=1806, Resulting Numbers: [1806] 1806,42 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 42:[43, 13], Operations: ['21-14=7', '6+7=13'] Exploring Operation: 43*13=559, Resulting Numbers: [559] 559,42 unequal: No Solution Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,42 unequal: No Solution Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 42:[43, 1], Operations: ['21-14=7', '7-6=1'] Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[14, 43, 6, 21], Operations: [] Exploring Operation: 21-14=7, Resulting Numbers: [43, 6, 7] Generated Node #0,1: 42:[43, 6, 7] Operation: 21-14=7 Moving to Node #0,1 Current State: 42:[43, 6, 7], Operations: ['21-14=7'] Exploring Operation: 7-6=1, Resulting Numbers: [43, 1] Generated Node #0,1,2: 42:[43, 1] Operation: 7-6=1 Moving to Node #0,1,2 Current State: 42:[43, 1], Operations: ['21-14=7', '7-6=1'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 83, 49, 89, 90 ]
82
[ "90-83=7", "49/7=7", "89-7=82" ]
Current State: 82:[83, 49, 89, 90], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [49, 89, 7] Generated Node #2: [49, 89, 7] from Operation: 90-83=7 Current State: 82:[49, 89, 7], Operations: ['90-83=7'] Exploring Operation: 49/7=7, Resulting Numbers: [89, 7] Generated Node #3: [89, 7] from Operation: 49/7=7 Current State: 82:[89, 7], Operations: ['90-83=7', '49/7=7'] Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[83, 49, 89, 90], Operations: [] Exploring Operation: 90-49=41, Resulting Numbers: [83, 89, 41] Generated Node #0,0: 82:[83, 89, 41] Operation: 90-49=41 Exploring Operation: 90-89=1, Resulting Numbers: [83, 49, 1] Generated Node #0,1: 82:[83, 49, 1] Operation: 90-89=1 Exploring Operation: 89-49=40, Resulting Numbers: [83, 90, 40] Generated Node #0,2: 82:[83, 90, 40] Operation: 89-49=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[83, 89, 41], Operations: ['90-49=41'] Exploring Operation: 83-41=42, Resulting Numbers: [89, 42] Generated Node #0,0,0: 82:[89, 42] Operation: 83-41=42 Exploring Operation: 89-83=6, Resulting Numbers: [41, 6] Generated Node #0,0,1: 82:[41, 6] Operation: 89-83=6 Exploring Operation: 89-41=48, Resulting Numbers: [83, 48] Generated Node #0,0,2: 82:[83, 48] Operation: 89-41=48 Moving to Node #0,0,1 Current State: 82:[41, 6], Operations: ['90-49=41', '89-83=6'] Exploring Operation: 41*6=246, Resulting Numbers: [246] 246,82 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,82 unequal: No Solution Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,82 unequal: No Solution Moving to Node #0,0,0 Current State: 82:[89, 42], Operations: ['90-49=41', '83-41=42'] Exploring Operation: 89*42=3738, Resulting Numbers: [3738] 3738,82 unequal: No Solution Exploring Operation: 89-42=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 89+42=131, Resulting Numbers: [131] 131,82 unequal: No Solution Moving to Node #0,0,2 Current State: 82:[83, 48], Operations: ['90-49=41', '89-41=48'] Exploring Operation: 83-48=35, Resulting Numbers: [35] 35,82 unequal: No Solution Exploring Operation: 83+48=131, Resulting Numbers: [131] 131,82 unequal: No Solution Exploring Operation: 83*48=3984, Resulting Numbers: [3984] 3984,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[83, 49, 1], Operations: ['90-89=1'] Exploring Operation: 83-1=82, Resulting Numbers: [49, 82] Generated Node #0,1,0: 82:[49, 82] Operation: 83-1=82 Exploring Operation: 49-1=48, Resulting Numbers: [83, 48] Generated Node #0,1,1: 82:[83, 48] Operation: 49-1=48 Exploring Operation: 83-49=34, Resulting Numbers: [1, 34] Generated Node #0,1,2: 82:[1, 34] Operation: 83-49=34 Moving to Node #0,1,0 Current State: 82:[49, 82], Operations: ['90-89=1', '83-1=82'] Exploring Operation: 49+82=131, Resulting Numbers: [131] 131,82 unequal: No Solution Exploring Operation: 49*82=4018, Resulting Numbers: [4018] 4018,82 unequal: No Solution Exploring Operation: 82-49=33, Resulting Numbers: [33] 33,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[83, 48], Operations: ['90-89=1', '49-1=48'] Exploring Operation: 83*48=3984, Resulting Numbers: [3984] 3984,82 unequal: No Solution Exploring Operation: 83+48=131, Resulting Numbers: [131] 131,82 unequal: No Solution Exploring Operation: 83-48=35, Resulting Numbers: [35] 35,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[1, 34], Operations: ['90-89=1', '83-49=34'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,82 unequal: No Solution Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,82 unequal: No Solution Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,82 unequal: No Solution No 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: 82:[83, 90, 40], Operations: ['89-49=40'] Exploring Operation: 90-40=50, Resulting Numbers: [83, 50] Generated Node #0,2,0: 82:[83, 50] Operation: 90-40=50 Exploring Operation: 90-83=7, Resulting Numbers: [40, 7] Generated Node #0,2,1: 82:[40, 7] Operation: 90-83=7 Exploring Operation: 83-40=43, Resulting Numbers: [90, 43] Generated Node #0,2,2: 82:[90, 43] Operation: 83-40=43 Moving to Node #0,2,1 Current State: 82:[40, 7], Operations: ['89-49=40', '90-83=7'] Exploring Operation: 40+7=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 40*7=280, Resulting Numbers: [280] 280,82 unequal: No Solution Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,82 unequal: No Solution Moving to Node #0,2,0 Current State: 82:[83, 50], Operations: ['89-49=40', '90-40=50'] Exploring Operation: 83+50=133, Resulting Numbers: [133] 133,82 unequal: No Solution Exploring Operation: 83-50=33, Resulting Numbers: [33] 33,82 unequal: No Solution Exploring Operation: 83*50=4150, Resulting Numbers: [4150] 4150,82 unequal: No Solution Moving to Node #0,2,2 Current State: 82:[90, 43], Operations: ['89-49=40', '83-40=43'] Exploring Operation: 90-43=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 90*43=3870, Resulting Numbers: [3870] 3870,82 unequal: No Solution Exploring Operation: 90+43=133, Resulting Numbers: [133] 133,82 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
[ 39, 2, 8, 12 ]
71
[ "39+8=47", "2*12=24", "47+24=71" ]
Current State: 71:[39, 2, 8, 12], Operations: [] Exploring Operation: 39+8=47, Resulting Numbers: [2, 12, 47] Generated Node #2: [2, 12, 47] from Operation: 39+8=47 Current State: 71:[2, 12, 47], Operations: ['39+8=47'] Exploring Operation: 2*12=24, Resulting Numbers: [47, 24] Generated Node #3: [47, 24] from Operation: 2*12=24 Current State: 71:[47, 24], Operations: ['39+8=47', '2*12=24'] Exploring Operation: 47+24=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[39, 2, 8, 12], Operations: [] Exploring Operation: 39+2=41, Resulting Numbers: [8, 12, 41] Generated Node #0,0: 71:[8, 12, 41] Operation: 39+2=41 Exploring Operation: 8*12=96, Resulting Numbers: [39, 2, 96] Generated Node #0,1: 71:[39, 2, 96] Operation: 8*12=96 Exploring Operation: 2*12=24, Resulting Numbers: [39, 8, 24] Generated Node #0,2: 71:[39, 8, 24] Operation: 2*12=24 Exploring Operation: 2*8=16, Resulting Numbers: [39, 12, 16] Generated Node #0,3: 71:[39, 12, 16] Operation: 2*8=16 Exploring Operation: 39*2=78, Resulting Numbers: [8, 12, 78] Generated Node #0,4: 71:[8, 12, 78] Operation: 39*2=78 Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[39, 2, 96], Operations: ['8*12=96'] Exploring Operation: 96-2=94, Resulting Numbers: [39, 94] Generated Node #0,1,0: 71:[39, 94] Operation: 96-2=94 Exploring Operation: 39*2=78, Resulting Numbers: [96, 78] Generated Node #0,1,1: 71:[96, 78] Operation: 39*2=78 Exploring Operation: 39-2=37, Resulting Numbers: [96, 37] Generated Node #0,1,2: 71:[96, 37] Operation: 39-2=37 Exploring Operation: 96/2=48, Resulting Numbers: [39, 48] Generated Node #0,1,3: 71:[39, 48] Operation: 96/2=48 Exploring Operation: 39+2=41, Resulting Numbers: [96, 41] Generated Node #0,1,4: 71:[96, 41] Operation: 39+2=41 Moving to Node #0,1,1 Current State: 71:[96, 78], Operations: ['8*12=96', '39*2=78'] Exploring Operation: 96-78=18, Resulting Numbers: [18] 18,71 unequal: No Solution Exploring Operation: 96+78=174, Resulting Numbers: [174] 174,71 unequal: No Solution Exploring Operation: 96*78=7488, Resulting Numbers: [7488] 7488,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[39, 48], Operations: ['8*12=96', '96/2=48'] Exploring Operation: 39*48=1872, Resulting Numbers: [1872] 1872,71 unequal: No Solution Exploring Operation: 39+48=87, Resulting Numbers: [87] 87,71 unequal: No Solution Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[39, 94], Operations: ['8*12=96', '96-2=94'] Exploring Operation: 39+94=133, Resulting Numbers: [133] 133,71 unequal: No Solution Exploring Operation: 39*94=3666, Resulting Numbers: [3666] 3666,71 unequal: No Solution Exploring Operation: 94-39=55, Resulting Numbers: [55] 55,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[96, 41], Operations: ['8*12=96', '39+2=41'] Exploring Operation: 96*41=3936, Resulting Numbers: [3936] 3936,71 unequal: No Solution Exploring Operation: 96+41=137, Resulting Numbers: [137] 137,71 unequal: No Solution Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[96, 37], Operations: ['8*12=96', '39-2=37'] Exploring Operation: 96+37=133, Resulting Numbers: [133] 133,71 unequal: No Solution Exploring Operation: 96-37=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 96*37=3552, Resulting Numbers: [3552] 3552,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 71:[8, 12, 78], Operations: ['39*2=78'] Exploring Operation: 78-12=66, Resulting Numbers: [8, 66] Generated Node #0,4,0: 71:[8, 66] Operation: 78-12=66 Exploring Operation: 12-8=4, Resulting Numbers: [78, 4] Generated Node #0,4,1: 71:[78, 4] Operation: 12-8=4 Exploring Operation: 8*12=96, Resulting Numbers: [78, 96] Generated Node #0,4,2: 71:[78, 96] Operation: 8*12=96 Exploring Operation: 78-8=70, Resulting Numbers: [12, 70] Generated Node #0,4,3: 71:[12, 70] Operation: 78-8=70 Exploring Operation: 8+12=20, Resulting Numbers: [78, 20] Generated Node #0,4,4: 71:[78, 20] Operation: 8+12=20 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 71:[78, 96], Operations: ['39*2=78', '8*12=96'] Exploring Operation: 96-78=18, Resulting Numbers: [18] 18,71 unequal: No Solution Exploring Operation: 78+96=174, Resulting Numbers: [174] 174,71 unequal: No Solution Exploring Operation: 78*96=7488, Resulting Numbers: [7488] 7488,71 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 #0,4,4 Current State: 71:[78, 20], Operations: ['39*2=78', '8+12=20'] Exploring Operation: 78+20=98, Resulting Numbers: [98] 98,71 unequal: No Solution Exploring Operation: 78*20=1560, Resulting Numbers: [1560] 1560,71 unequal: No Solution Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,71 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 #0,4,3 Current State: 71:[12, 70], Operations: ['39*2=78', '78-8=70'] Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,71 unequal: No Solution Exploring Operation: 12+70=82, Resulting Numbers: [82] 82,71 unequal: No Solution Exploring Operation: 12*70=840, Resulting Numbers: [840] 840,71 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 #0,4,0 Current State: 71:[8, 66], Operations: ['39*2=78', '78-12=66'] Exploring Operation: 8+66=74, Resulting Numbers: [74] 74,71 unequal: No Solution Exploring Operation: 8*66=528, Resulting Numbers: [528] 528,71 unequal: No Solution Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,71 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 #0,4,1 Current State: 71:[78, 4], Operations: ['39*2=78', '12-8=4'] Exploring Operation: 78*4=312, Resulting Numbers: [312] 312,71 unequal: No Solution Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,71 unequal: No Solution Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[39, 8, 24], Operations: ['2*12=24'] Exploring Operation: 24-8=16, Resulting Numbers: [39, 16] Generated Node #0,2,0: 71:[39, 16] Operation: 24-8=16 Exploring Operation: 8+24=32, Resulting Numbers: [39, 32] Generated Node #0,2,1: 71:[39, 32] Operation: 8+24=32 Exploring Operation: 39+8=47, Resulting Numbers: [24, 47] Generated Node #0,2,2: 71:[24, 47] Operation: 39+8=47 Exploring Operation: 39+24=63, Resulting Numbers: [8, 63] Generated Node #0,2,3: 71:[8, 63] Operation: 39+24=63 Exploring Operation: 39-8=31, Resulting Numbers: [24, 31] Generated Node #0,2,4: 71:[24, 31] Operation: 39-8=31 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[39, 32], Operations: ['2*12=24', '8+24=32'] Exploring Operation: 39*32=1248, Resulting Numbers: [1248] 1248,71 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[39, 2, 8, 12], Operations: [] Exploring Operation: 2*12=24, Resulting Numbers: [39, 8, 24] Generated Node #0,2: 71:[39, 8, 24] Operation: 2*12=24 Moving to Node #0,2 Current State: 71:[39, 8, 24], Operations: ['2*12=24'] Exploring Operation: 8+24=32, Resulting Numbers: [39, 32] Generated Node #0,2,1: 71:[39, 32] Operation: 8+24=32 Moving to Node #0,2,1 Current State: 71:[39, 32], Operations: ['2*12=24', '8+24=32'] Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.950521
hs_5
sum_heuristic
[ 88, 7, 9, 34 ]
59
[ "88+34=122", "7*9=63", "122-63=59" ]
Current State: 59:[88, 7, 9, 34], Operations: [] Exploring Operation: 88+34=122, Resulting Numbers: [7, 9, 122] Generated Node #2: [7, 9, 122] from Operation: 88+34=122 Current State: 59:[7, 9, 122], Operations: ['88+34=122'] Exploring Operation: 7*9=63, Resulting Numbers: [122, 63] Generated Node #3: [122, 63] from Operation: 7*9=63 Current State: 59:[122, 63], Operations: ['88+34=122', '7*9=63'] Exploring Operation: 122-63=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[88, 7, 9, 34], Operations: [] Exploring Operation: 7*9=63, Resulting Numbers: [88, 34, 63] Generated Node #0,0: 59:[88, 34, 63] Operation: 7*9=63 Moving to Node #0,0 Current State: 59:[88, 34, 63], Operations: ['7*9=63'] Exploring Operation: 88-34=54, Resulting Numbers: [63, 54] Generated Node #0,0,0: 59:[63, 54] Operation: 88-34=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[63, 54], Operations: ['7*9=63', '88-34=54'] Exploring Operation: 63-54=9, Resulting Numbers: [9] 9,59 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
[ 41, 19, 19, 31 ]
10
[ "41+19=60", "19+31=50", "60-50=10" ]
Current State: 10:[41, 19, 19, 31], Operations: [] Exploring Operation: 41+19=60, Resulting Numbers: [31, 60] Generated Node #2: [31, 60] from Operation: 41+19=60 Current State: 10:[31, 60], Operations: ['41+19=60'] Exploring Operation: 19+31=50, Resulting Numbers: [60, 50] Generated Node #3: [60, 50] from Operation: 19+31=50 Current State: 10:[60, 50], Operations: ['41+19=60', '19+31=50'] Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[41, 19, 19, 31], Operations: [] Exploring Operation: 41-19=22, Resulting Numbers: [19, 31, 22] Generated Node #0,0: 10:[19, 31, 22] Operation: 41-19=22 Exploring Operation: 31-19=12, Resulting Numbers: [41, 19, 12] Generated Node #0,1: 10:[41, 19, 12] Operation: 31-19=12 Exploring Operation: 41-31=10, Resulting Numbers: [19, 19, 10] Generated Node #0,2: 10:[19, 19, 10] Operation: 41-31=10 Exploring Operation: 31-19=12, Resulting Numbers: [41, 19, 12] Generated Node #0,3: 10:[41, 19, 12] Operation: 31-19=12 Exploring Operation: 41-19=22, Resulting Numbers: [19, 31, 22] Generated Node #0,4: 10:[19, 31, 22] Operation: 41-19=22 Moving to Node #0,2 Current State: 10:[19, 19, 10], Operations: ['41-31=10'] Exploring Operation: 19/19=1, Resulting Numbers: [10, 1] Generated Node #0,2,0: 10:[10, 1] Operation: 19/19=1 Exploring Operation: 19-19=0, Resulting Numbers: [10, 0] Generated Node #0,2,1: 10:[10, 0] Operation: 19-19=0 Exploring Operation: 19+19=38, Resulting Numbers: [10, 38] Generated Node #0,2,2: 10:[10, 38] Operation: 19+19=38 Exploring Operation: 19-10=9, Resulting Numbers: [19, 9] Generated Node #0,2,3: 10:[19, 9] Operation: 19-10=9 Exploring Operation: 19-10=9, Resulting Numbers: [19, 9] Generated Node #0,2,4: 10:[19, 9] Operation: 19-10=9 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 10:[10, 1], Operations: ['41-31=10', '19/19=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[41, 19, 19, 31], Operations: [] Exploring Operation: 41-31=10, Resulting Numbers: [19, 19, 10] Generated Node #0,2: 10:[19, 19, 10] Operation: 41-31=10 Moving to Node #0,2 Current State: 10:[19, 19, 10], Operations: ['41-31=10'] Exploring Operation: 19/19=1, Resulting Numbers: [10, 1] Generated Node #0,2,0: 10:[10, 1] Operation: 19/19=1 Moving to Node #0,2,0 Current State: 10:[10, 1], Operations: ['41-31=10', '19/19=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 85, 4, 5, 4 ]
33
[ "85/5=17", "4*4=16", "17+16=33" ]
Current State: 33:[85, 4, 5, 4], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [4, 4, 17] Generated Node #2: [4, 4, 17] from Operation: 85/5=17 Current State: 33:[4, 4, 17], Operations: ['85/5=17'] Exploring Operation: 4*4=16, Resulting Numbers: [17, 16] Generated Node #3: [17, 16] from Operation: 4*4=16 Current State: 33:[17, 16], Operations: ['85/5=17', '4*4=16'] Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[85, 4, 5, 4], Operations: [] Exploring Operation: 85-5=80, Resulting Numbers: [4, 4, 80] Generated Node #0,0: 33:[4, 4, 80] Operation: 85-5=80 Exploring Operation: 85-4=81, Resulting Numbers: [5, 4, 81] Generated Node #0,1: 33:[5, 4, 81] Operation: 85-4=81 Exploring Operation: 85/5=17, Resulting Numbers: [4, 4, 17] Generated Node #0,2: 33:[4, 4, 17] Operation: 85/5=17 Exploring Operation: 85-4=81, Resulting Numbers: [4, 5, 81] Generated Node #0,3: 33:[4, 5, 81] Operation: 85-4=81 Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[4, 4, 17], Operations: ['85/5=17'] Exploring Operation: 17-4=13, Resulting Numbers: [4, 13] Generated Node #0,2,0: 33:[4, 13] Operation: 17-4=13 Exploring Operation: 17-4=13, Resulting Numbers: [4, 13] Generated Node #0,2,1: 33:[4, 13] Operation: 17-4=13 Exploring Operation: 4/4=1, Resulting Numbers: [17, 1] Generated Node #0,2,2: 33:[17, 1] Operation: 4/4=1 Exploring Operation: 4+4=8, Resulting Numbers: [17, 8] Generated Node #0,2,3: 33:[17, 8] Operation: 4+4=8 Moving to Node #0,2,0 Current State: 33:[4, 13], Operations: ['85/5=17', '17-4=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,33 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[4, 13], Operations: ['85/5=17', '17-4=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,33 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[17, 1], Operations: ['85/5=17', '4/4=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,33 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[17, 8], Operations: ['85/5=17', '4+4=8'] Exploring Operation: 17*8=136, Resulting Numbers: [136] 136,33 unequal: No Solution Exploring Operation: 17+8=25, Resulting Numbers: [25] 25,33 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,33 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:[4, 4, 80], Operations: ['85-5=80'] Exploring Operation: 80/4=20, Resulting Numbers: [4, 20] Generated Node #0,0,0: 33:[4, 20] Operation: 80/4=20 Exploring Operation: 80/4=20, Resulting Numbers: [4, 20] Generated Node #0,0,1: 33:[4, 20] Operation: 80/4=20 Exploring Operation: 80-4=76, Resulting Numbers: [4, 76] Generated Node #0,0,2: 33:[4, 76] Operation: 80-4=76 Exploring Operation: 80-4=76, Resulting Numbers: [4, 76] Generated Node #0,0,3: 33:[4, 76] Operation: 80-4=76 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[4, 20], Operations: ['85-5=80', '80/4=20'] Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,33 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,33 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:[4, 20], Operations: ['85-5=80', '80/4=20'] Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,33 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,33 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 33:[4, 76], Operations: ['85-5=80', '80-4=76'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 4+76=80, Resulting Numbers: [80] 80,33 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,33 unequal: No Solution Exploring Operation: 4*76=304, Resulting Numbers: [304] 304,33 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:[4, 76], Operations: ['85-5=80', '80-4=76'] Exploring Operation: 4*76=304, Resulting Numbers: [304] 304,33 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,33 unequal: No Solution Exploring Operation: 4+76=80, Resulting Numbers: [80] 80,33 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,33 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:[5, 4, 81], Operations: ['85-4=81'] Exploring Operation: 81-4=77, Resulting Numbers: [5, 77] Generated Node #0,1,0: 33:[5, 77] Operation: 81-4=77 Exploring Operation: 5-4=1, Resulting Numbers: [81, 1] Generated Node #0,1,1: 33:[81, 1] Operation: 5-4=1 Exploring Operation: 81-5=76, Resulting Numbers: [4, 76] Generated Node #0,1,2: 33:[4, 76] Operation: 81-5=76 Exploring Operation: 5+4=9, Resulting Numbers: [81, 9] Generated Node #0,1,3: 33:[81, 9] Operation: 5+4=9 Moving to Node #0,1,2 Current State: 33:[4, 76], Operations: ['85-4=81', '81-5=76'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 4*76=304, Resulting Numbers: [304] 304,33 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,33 unequal: No Solution Exploring Operation: 4+76=80, Resulting Numbers: [80] 80,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[5, 77], Operations: ['85-4=81', '81-4=77'] Exploring Operation: 5+77=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 77-5=72, Resulting Numbers: [72] 72,33 unequal: No Solution Exploring Operation: 5*77=385, Resulting Numbers: [385] 385,33 unequal: No Solution Moving to Node #0,1,3 Current State: 33:[81, 9], Operations: ['85-4=81', '5+4=9'] Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,33 unequal: No Solution Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 81*9=729, Resulting Numbers: [729] 729,33 unequal: No Solution Exploring Operation: 81+9=90, Resulting Numbers: [90] 90,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[81, 1], Operations: ['85-4=81', '5-4=1'] Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,33 unequal: No Solution Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,33 unequal: No Solution Exploring Operation: 81*1=81, Resulting Numbers: [81] 81,33 unequal: No Solution Exploring Operation: 81+1=82, Resulting Numbers: [82] 82,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[4, 5, 81], Operations: ['85-4=81'] Exploring Operation: 5-4=1, Resulting Numbers: [81, 1] Generated Node #0,3,0: 33:[81, 1] Operation: 5-4=1 Exploring Operation: 81-5=76, Resulting Numbers: [4, 76] Generated Node #0,3,1: 33:[4, 76] Operation: 81-5=76 Exploring Operation: 81-4=77, Resulting Numbers: [5, 77] Generated Node #0,3,2: 33:[5, 77] Operation: 81-4=77 Exploring Operation: 4+5=9, Resulting Numbers: [81, 9] Generated Node #0,3,3: 33:[81, 9] Operation: 4+5=9 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 33:[4, 76], Operations: ['85-4=81', '81-5=76'] Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,33 unequal: No Solution Exploring Operation: 4*76=304, Resulting Numbers: [304] 304,33 unequal: No Solution Exploring Operation: 4+76=80, Resulting Numbers: [80] 80,33 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 33:[5, 77], Operations: ['85-4=81', '81-4=77'] Exploring Operation: 5+77=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 5*77=385, Resulting Numbers: [385] 385,33 unequal: No Solution Exploring Operation: 77-5=72, Resulting Numbers: [72] 72,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 33:[81, 1], Operations: ['85-4=81', '5-4=1'] Exploring Operation: 81+1=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,33 unequal: No Solution Exploring Operation: 81*1=81, Resulting Numbers: [81] 81,33 unequal: No Solution Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 33:[81, 9], Operations: ['85-4=81', '4+5=9'] Exploring Operation: 81+9=90, Resulting Numbers: [90] 90,33 unequal: No Solution Exploring Operation: 81*9=729, Resulting Numbers: [729] 729,33 unequal: No Solution Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 62, 93, 31, 26 ]
23
[ "62-31=31", "93/31=3", "26-3=23" ]
Current State: 23:[62, 93, 31, 26], Operations: [] Exploring Operation: 62-31=31, Resulting Numbers: [93, 26, 31] Generated Node #2: [93, 26, 31] from Operation: 62-31=31 Current State: 23:[93, 26, 31], Operations: ['62-31=31'] Exploring Operation: 93/31=3, Resulting Numbers: [26, 3] Generated Node #3: [26, 3] from Operation: 93/31=3 Current State: 23:[26, 3], Operations: ['62-31=31', '93/31=3'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[62, 93, 31, 26], Operations: [] Exploring Operation: 93/31=3, Resulting Numbers: [62, 26, 3] Generated Node #0,0: 23:[62, 26, 3] Operation: 93/31=3 Exploring Operation: 93-62=31, Resulting Numbers: [31, 26, 31] Generated Node #0,1: 23:[31, 26, 31] Operation: 93-62=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[31, 26, 31], Operations: ['93-62=31'] Exploring Operation: 31/31=1, Resulting Numbers: [26, 1] Generated Node #0,1,0: 23:[26, 1] Operation: 31/31=1 Exploring Operation: 31-26=5, Resulting Numbers: [31, 5] Generated Node #0,1,1: 23:[31, 5] Operation: 31-26=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[26, 1], Operations: ['93-62=31', '31/31=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,23 unequal: No Solution No 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: 23:[31, 5], Operations: ['93-62=31', '31-26=5'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 31+5=36, Resulting Numbers: [36] 36,23 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: 23:[62, 26, 3], Operations: ['93/31=3'] Exploring Operation: 62-26=36, Resulting Numbers: [3, 36] Generated Node #0,0,0: 23:[3, 36] Operation: 62-26=36 Exploring Operation: 62-3=59, Resulting Numbers: [26, 59] Generated Node #0,0,1: 23:[26, 59] Operation: 62-3=59 Moving to Node #0,0,0 Current State: 23:[3, 36], Operations: ['93/31=3', '62-26=36'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,23 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[26, 59], Operations: ['93/31=3', '62-3=59'] Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,23 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,23 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
[ 9, 62, 67, 17 ]
68
[ "9+62=71", "71-67=4", "17*4=68" ]
Current State: 68:[9, 62, 67, 17], Operations: [] Exploring Operation: 9+62=71, Resulting Numbers: [67, 17, 71] Generated Node #2: [67, 17, 71] from Operation: 9+62=71 Current State: 68:[67, 17, 71], Operations: ['9+62=71'] Exploring Operation: 71-67=4, Resulting Numbers: [17, 4] Generated Node #3: [17, 4] from Operation: 71-67=4 Current State: 68:[17, 4], Operations: ['9+62=71', '71-67=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[9, 62, 67, 17], Operations: [] Exploring Operation: 9+62=71, Resulting Numbers: [67, 17, 71] Generated Node #0,0: 68:[67, 17, 71] Operation: 9+62=71 Moving to Node #0,0 Current State: 68:[67, 17, 71], Operations: ['9+62=71'] Exploring Operation: 71-67=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 68:[17, 4] Operation: 71-67=4 Moving to Node #0,0,0 Current State: 68:[17, 4], Operations: ['9+62=71', '71-67=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[9, 62, 67, 17], Operations: [] Exploring Operation: 9+62=71, Resulting Numbers: [67, 17, 71] Generated Node #0,0: 68:[67, 17, 71] Operation: 9+62=71 Moving to Node #0,0 Current State: 68:[67, 17, 71], Operations: ['9+62=71'] Exploring Operation: 71-67=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 68:[17, 4] Operation: 71-67=4 Moving to Node #0,0,0 Current State: 68:[17, 4], Operations: ['9+62=71', '71-67=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 75, 26, 69, 34 ]
10
[ "75-69=6", "26+34=60", "60/6=10" ]
Current State: 10:[75, 26, 69, 34], Operations: [] Exploring Operation: 75-69=6, Resulting Numbers: [26, 34, 6] Generated Node #2: [26, 34, 6] from Operation: 75-69=6 Current State: 10:[26, 34, 6], Operations: ['75-69=6'] Exploring Operation: 26+34=60, Resulting Numbers: [6, 60] Generated Node #3: [6, 60] from Operation: 26+34=60 Current State: 10:[6, 60], Operations: ['75-69=6', '26+34=60'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[75, 26, 69, 34], Operations: [] Exploring Operation: 75-34=41, Resulting Numbers: [26, 69, 41] Generated Node #0,0: 10:[26, 69, 41] Operation: 75-34=41 Exploring Operation: 75-26=49, Resulting Numbers: [69, 34, 49] Generated Node #0,1: 10:[69, 34, 49] Operation: 75-26=49 Exploring Operation: 69-34=35, Resulting Numbers: [75, 26, 35] Generated Node #0,2: 10:[75, 26, 35] Operation: 69-34=35 Exploring Operation: 75-69=6, Resulting Numbers: [26, 34, 6] Generated Node #0,3: 10:[26, 34, 6] Operation: 75-69=6 Exploring Operation: 69-26=43, Resulting Numbers: [75, 34, 43] Generated Node #0,4: 10:[75, 34, 43] Operation: 69-26=43 Moving to Node #0,3 Current State: 10:[26, 34, 6], Operations: ['75-69=6'] Exploring Operation: 26+6=32, Resulting Numbers: [34, 32] Generated Node #0,3,0: 10:[34, 32] Operation: 26+6=32 Exploring Operation: 26-6=20, Resulting Numbers: [34, 20] Generated Node #0,3,1: 10:[34, 20] Operation: 26-6=20 Exploring Operation: 34+6=40, Resulting Numbers: [26, 40] Generated Node #0,3,2: 10:[26, 40] Operation: 34+6=40 Exploring Operation: 34-6=28, Resulting Numbers: [26, 28] Generated Node #0,3,3: 10:[26, 28] Operation: 34-6=28 Exploring Operation: 34-26=8, Resulting Numbers: [6, 8] Generated Node #0,3,4: 10:[6, 8] Operation: 34-26=8 Moving to Node #0,2 Current State: 10:[75, 26, 35], Operations: ['69-34=35'] Exploring Operation: 75-26=49, Resulting Numbers: [35, 49] Generated Node #0,2,0: 10:[35, 49] Operation: 75-26=49 Exploring Operation: 75+35=110, Resulting Numbers: [26, 110] Generated Node #0,2,1: 10:[26, 110] Operation: 75+35=110 Exploring Operation: 75-35=40, Resulting Numbers: [26, 40] Generated Node #0,2,2: 10:[26, 40] Operation: 75-35=40 Exploring Operation: 35-26=9, Resulting Numbers: [75, 9] Generated Node #0,2,3: 10:[75, 9] Operation: 35-26=9 Exploring Operation: 75+26=101, Resulting Numbers: [35, 101] Generated Node #0,2,4: 10:[35, 101] Operation: 75+26=101 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 10:[26, 40], Operations: ['69-34=35', '75-35=40'] Exploring Operation: 26*40=1040, Resulting Numbers: [1040] 1040,10 unequal: No Solution Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 26+40=66, Resulting Numbers: [66] 66,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 10:[35, 49], Operations: ['69-34=35', '75-26=49'] Exploring Operation: 35*49=1715, Resulting Numbers: [1715] 1715,10 unequal: No Solution Exploring Operation: 49-35=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 35+49=84, Resulting Numbers: [84] 84,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 10:[75, 9], Operations: ['69-34=35', '35-26=9'] Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 75+9=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 75*9=675, Resulting Numbers: [675] 675,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 10:[26, 110], Operations: ['69-34=35', '75+35=110'] Exploring Operation: 110-26=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 26*110=2860, Resulting Numbers: [2860] 2860,10 unequal: No Solution Exploring Operation: 26+110=136, Resulting Numbers: [136] 136,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 10:[35, 101], Operations: ['69-34=35', '75+26=101'] Exploring Operation: 35+101=136, Resulting Numbers: [136] 136,10 unequal: No Solution Exploring Operation: 35*101=3535, Resulting Numbers: [3535] 3535,10 unequal: No Solution Exploring Operation: 101-35=66, Resulting Numbers: [66] 66,10 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: 10:[26, 69, 41], Operations: ['75-34=41'] Exploring Operation: 69-41=28, Resulting Numbers: [26, 28] Generated Node #0,0,0: 10:[26, 28] Operation: 69-41=28 Exploring Operation: 41-26=15, Resulting Numbers: [69, 15] Generated Node #0,0,1: 10:[69, 15] Operation: 41-26=15 Exploring Operation: 69-26=43, Resulting Numbers: [41, 43] Generated Node #0,0,2: 10:[41, 43] Operation: 69-26=43 Exploring Operation: 26+41=67, Resulting Numbers: [69, 67] Generated Node #0,0,3: 10:[69, 67] Operation: 26+41=67 Exploring Operation: 26+69=95, Resulting Numbers: [41, 95] Generated Node #0,0,4: 10:[41, 95] Operation: 26+69=95 Moving to Node #0,1 Current State: 10:[69, 34, 49], Operations: ['75-26=49'] Exploring Operation: 49-34=15, Resulting Numbers: [69, 15] Generated Node #0,1,0: 10:[69, 15] Operation: 49-34=15 Exploring Operation: 69-34=35, Resulting Numbers: [49, 35] Generated Node #0,1,1: 10:[49, 35] Operation: 69-34=35 Exploring Operation: 69+49=118, Resulting Numbers: [34, 118] Generated Node #0,1,2: 10:[34, 118] Operation: 69+49=118 Exploring Operation: 69+34=103, Resulting Numbers: [49, 103] Generated Node #0,1,3: 10:[49, 103] Operation: 69+34=103 Exploring Operation: 69-49=20, Resulting Numbers: [34, 20] Generated Node #0,1,4: 10:[34, 20] Operation: 69-49=20 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 10:[34, 20], Operations: ['75-26=49', '69-49=20'] Exploring Operation: 34*20=680, Resulting Numbers: [680] 680,10 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 10:[69, 15], Operations: ['75-26=49', '49-34=15'] Exploring Operation: 69*15=1035, Resulting Numbers: [1035] 1035,10 unequal: No Solution Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 69+15=84, Resulting Numbers: [84] 84,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 10:[49, 35], Operations: ['75-26=49', '69-34=35'] Exploring Operation: 49-35=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 49*35=1715, Resulting Numbers: [1715] 1715,10 unequal: No Solution Exploring Operation: 49+35=84, Resulting Numbers: [84] 84,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 10:[34, 118], Operations: ['75-26=49', '69+49=118'] Exploring Operation: 34+118=152, Resulting Numbers: [152] 152,10 unequal: No Solution Exploring Operation: 118-34=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 34*118=4012, Resulting Numbers: [4012] 4012,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 10:[49, 103], Operations: ['75-26=49', '69+34=103'] Exploring Operation: 49+103=152, Resulting Numbers: [152] 152,10 unequal: No Solution Exploring Operation: 49*103=5047, Resulting Numbers: [5047] 5047,10 unequal: No Solution Exploring Operation: 103-49=54, Resulting Numbers: [54] 54,10 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: 10:[75, 34, 43], Operations: ['69-26=43'] Exploring Operation: 75-43=32, Resulting Numbers: [34, 32] Generated Node #0,4,0: 10:[34, 32] Operation: 75-43=32 Exploring Operation: 75+43=118, Resulting Numbers: [34, 118] Generated Node #0,4,1: 10:[34, 118] Operation: 75+43=118 Exploring Operation: 75+34=109, Resulting Numbers: [43, 109] Generated Node #0,4,2: 10:[43, 109] Operation: 75+34=109 Exploring Operation: 75-34=41, Resulting Numbers: [43, 41] Generated Node #0,4,3: 10:[43, 41] Operation: 75-34=41 Exploring Operation: 43-34=9, Resulting Numbers: [75, 9] Generated Node #0,4,4: 10:[75, 9] Operation: 43-34=9 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 10:[34, 32], Operations: ['69-26=43', '75-43=32'] Exploring Operation: 34*32=1088, Resulting Numbers: [1088] 1088,10 unequal: No Solution Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 10:[43, 41], Operations: ['69-26=43', '75-34=41'] Exploring Operation: 43*41=1763, Resulting Numbers: [1763] 1763,10 unequal: No Solution Exploring Operation: 43+41=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 10:[75, 9], Operations: ['69-26=43', '43-34=9'] Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 75*9=675, Resulting Numbers: [675] 675,10 unequal: No Solution Exploring Operation: 75+9=84, Resulting Numbers: [84] 84,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 10:[34, 118], Operations: ['69-26=43', '75+43=118'] Exploring Operation: 34*118=4012, Resulting Numbers: [4012] 4012,10 unequal: No Solution Exploring Operation: 118-34=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 34+118=152, Resulting Numbers: [152] 152,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 10:[43, 109], Operations: ['69-26=43', '75+34=109'] Exploring Operation: 109-43=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 43*109=4687, Resulting Numbers: [4687] 4687,10 unequal: No Solution Exploring Operation: 43+109=152, Resulting Numbers: [152] 152,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,4 Current State: 10:[6, 8], Operations: ['75-69=6', '34-26=8'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,10 unequal: No Solution Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,10 unequal: No Solution Moving to Node #0,3,3 Current State: 10:[26, 28], Operations: ['75-69=6', '34-6=28'] Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[26, 28], Operations: ['75-34=41', '69-41=28'] Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,10 unequal: No Solution Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,10 unequal: No Solution Moving to Node #0,3,1 Current State: 10:[34, 20], Operations: ['75-69=6', '26-6=20'] Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 34*20=680, Resulting Numbers: [680] 680,10 unequal: No Solution Moving to Node #0,3,2 Current State: 10:[26, 40], Operations: ['75-69=6', '34+6=40'] Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 26+40=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 26*40=1040, Resulting Numbers: [1040] 1040,10 unequal: No Solution Moving to Node #0,3,0 Current State: 10:[34, 32], Operations: ['75-69=6', '26+6=32'] Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 34*32=1088, Resulting Numbers: [1088] 1088,10 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[69, 15], Operations: ['75-34=41', '41-26=15'] Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 69+15=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 69*15=1035, Resulting Numbers: [1035] 1035,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[41, 43], Operations: ['75-34=41', '69-26=43'] Exploring Operation: 41*43=1763, Resulting Numbers: [1763] 1763,10 unequal: No Solution Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[69, 67], Operations: ['75-34=41', '26+41=67'] Exploring Operation: 69+67=136, Resulting Numbers: [136] 136,10 unequal: No Solution Exploring Operation: 69-67=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 69*67=4623, Resulting Numbers: [4623] 4623,10 unequal: No Solution Moving to Node #0,0,4 Current State: 10:[41, 95], Operations: ['75-34=41', '26+69=95'] Exploring Operation: 41*95=3895, Resulting Numbers: [3895] 3895,10 unequal: No Solution Exploring Operation: 41+95=136, Resulting Numbers: [136] 136,10 unequal: No Solution Exploring Operation: 95-41=54, Resulting Numbers: [54] 54,10 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 14, 45, 15, 51 ]
34
[ "51-14=37", "45/15=3", "37-3=34" ]
Current State: 34:[14, 45, 15, 51], Operations: [] Exploring Operation: 51-14=37, Resulting Numbers: [45, 15, 37] Generated Node #2: [45, 15, 37] from Operation: 51-14=37 Current State: 34:[45, 15, 37], Operations: ['51-14=37'] Exploring Operation: 45/15=3, Resulting Numbers: [37, 3] Generated Node #3: [37, 3] from Operation: 45/15=3 Current State: 34:[37, 3], Operations: ['51-14=37', '45/15=3'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[14, 45, 15, 51], Operations: [] Exploring Operation: 51-45=6, Resulting Numbers: [14, 15, 6] Generated Node #0,0: 34:[14, 15, 6] Operation: 51-45=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[14, 15, 6], Operations: ['51-45=6'] Exploring Operation: 15-14=1, Resulting Numbers: [6, 1] Generated Node #0,0,0: 34:[6, 1] Operation: 15-14=1 Moving to Node #0,0,0 Current State: 34:[6, 1], Operations: ['51-45=6', '15-14=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,34 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
[ 68, 17, 91, 77 ]
71
[ "68+17=85", "91-77=14", "85-14=71" ]
Current State: 71:[68, 17, 91, 77], Operations: [] Exploring Operation: 68+17=85, Resulting Numbers: [91, 77, 85] Generated Node #2: [91, 77, 85] from Operation: 68+17=85 Current State: 71:[91, 77, 85], Operations: ['68+17=85'] Exploring Operation: 91-77=14, Resulting Numbers: [85, 14] Generated Node #3: [85, 14] from Operation: 91-77=14 Current State: 71:[85, 14], Operations: ['68+17=85', '91-77=14'] Exploring Operation: 85-14=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[68, 17, 91, 77], Operations: [] Exploring Operation: 77-17=60, Resulting Numbers: [68, 91, 60] Generated Node #0,0: 71:[68, 91, 60] Operation: 77-17=60 Exploring Operation: 91-17=74, Resulting Numbers: [68, 77, 74] Generated Node #0,1: 71:[68, 77, 74] Operation: 91-17=74 Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[68, 77, 74], Operations: ['91-17=74'] Exploring Operation: 77-68=9, Resulting Numbers: [74, 9] Generated Node #0,1,0: 71:[74, 9] Operation: 77-68=9 Exploring Operation: 74-68=6, Resulting Numbers: [77, 6] Generated Node #0,1,1: 71:[77, 6] Operation: 74-68=6 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[74, 9], Operations: ['91-17=74', '77-68=9'] Exploring Operation: 74+9=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[77, 6], Operations: ['91-17=74', '74-68=6'] Exploring Operation: 77+6=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 77-6=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[68, 17, 91, 77], Operations: [] Exploring Operation: 91-17=74, Resulting Numbers: [68, 77, 74] Generated Node #0,1: 71:[68, 77, 74] Operation: 91-17=74 Moving to Node #0,1 Current State: 71:[68, 77, 74], Operations: ['91-17=74'] Exploring Operation: 74-68=6, Resulting Numbers: [77, 6] Generated Node #0,1,1: 71:[77, 6] Operation: 74-68=6 Moving to Node #0,1,1 Current State: 71:[77, 6], Operations: ['91-17=74', '74-68=6'] Exploring Operation: 77-6=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 65, 12, 44, 14 ]
61
[ "12+44=56", "56/14=4", "65-4=61" ]
Current State: 61:[65, 12, 44, 14], Operations: [] Exploring Operation: 12+44=56, Resulting Numbers: [65, 14, 56] Generated Node #2: [65, 14, 56] from Operation: 12+44=56 Current State: 61:[65, 14, 56], Operations: ['12+44=56'] Exploring Operation: 56/14=4, Resulting Numbers: [65, 4] Generated Node #3: [65, 4] from Operation: 56/14=4 Current State: 61:[65, 4], Operations: ['12+44=56', '56/14=4'] Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[65, 12, 44, 14], Operations: [] Exploring Operation: 44+14=58, Resulting Numbers: [65, 12, 58] Generated Node #0,0: 61:[65, 12, 58] Operation: 44+14=58 Exploring Operation: 12+14=26, Resulting Numbers: [65, 44, 26] Generated Node #0,1: 61:[65, 44, 26] Operation: 12+14=26 Exploring Operation: 12+44=56, Resulting Numbers: [65, 14, 56] Generated Node #0,2: 61:[65, 14, 56] Operation: 12+44=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[65, 12, 58], Operations: ['44+14=58'] Exploring Operation: 65+12=77, Resulting Numbers: [58, 77] Generated Node #0,0,0: 61:[58, 77] Operation: 65+12=77 Exploring Operation: 65-12=53, Resulting Numbers: [58, 53] Generated Node #0,0,1: 61:[58, 53] Operation: 65-12=53 Exploring Operation: 12+58=70, Resulting Numbers: [65, 70] Generated Node #0,0,2: 61:[65, 70] Operation: 12+58=70 Moving to Node #0,0,1 Current State: 61:[58, 53], Operations: ['44+14=58', '65-12=53'] Exploring Operation: 58+53=111, Resulting Numbers: [111] 111,61 unequal: No Solution Exploring Operation: 58*53=3074, Resulting Numbers: [3074] 3074,61 unequal: No Solution Exploring Operation: 58-53=5, Resulting Numbers: [5] 5,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[65, 70], Operations: ['44+14=58', '12+58=70'] Exploring Operation: 65*70=4550, Resulting Numbers: [4550] 4550,61 unequal: No Solution Exploring Operation: 65+70=135, Resulting Numbers: [135] 135,61 unequal: No Solution Exploring Operation: 70-65=5, Resulting Numbers: [5] 5,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[58, 77], Operations: ['44+14=58', '65+12=77'] Exploring Operation: 77-58=19, Resulting Numbers: [19] 19,61 unequal: No Solution Exploring Operation: 58*77=4466, Resulting Numbers: [4466] 4466,61 unequal: No Solution Exploring Operation: 58+77=135, Resulting Numbers: [135] 135,61 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 #0,1 Current State: 61:[65, 44, 26], Operations: ['12+14=26'] Exploring Operation: 65-26=39, Resulting Numbers: [44, 39] Generated Node #0,1,0: 61:[44, 39] Operation: 65-26=39 Exploring Operation: 44+26=70, Resulting Numbers: [65, 70] Generated Node #0,1,1: 61:[65, 70] Operation: 44+26=70 Exploring Operation: 65+26=91, Resulting Numbers: [44, 91] Generated Node #0,1,2: 61:[44, 91] Operation: 65+26=91 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[65, 70], Operations: ['12+14=26', '44+26=70'] Exploring Operation: 65*70=4550, Resulting Numbers: [4550] 4550,61 unequal: No Solution Exploring Operation: 70-65=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 65+70=135, Resulting Numbers: [135] 135,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[44, 39], Operations: ['12+14=26', '65-26=39'] Exploring Operation: 44*39=1716, Resulting Numbers: [1716] 1716,61 unequal: No Solution Exploring Operation: 44+39=83, Resulting Numbers: [83] 83,61 unequal: No Solution Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 61:[44, 91], Operations: ['12+14=26', '65+26=91'] Exploring Operation: 44*91=4004, Resulting Numbers: [4004] 4004,61 unequal: No Solution Exploring Operation: 91-44=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 44+91=135, Resulting Numbers: [135] 135,61 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[65, 14, 56], Operations: ['12+44=56'] Exploring Operation: 65+14=79, Resulting Numbers: [56, 79] Generated Node #0,2,0: 61:[56, 79] Operation: 65+14=79 Exploring Operation: 14+56=70, Resulting Numbers: [65, 70] Generated Node #0,2,1: 61:[65, 70] Operation: 14+56=70 Exploring Operation: 65-14=51, Resulting Numbers: [56, 51] Generated Node #0,2,2: 61:[56, 51] Operation: 65-14=51 Moving to Node #0,2,1 Current State: 61:[65, 70], Operations: ['12+44=56', '14+56=70'] Exploring Operation: 70-65=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 65*70=4550, Resulting Numbers: [4550] 4550,61 unequal: No Solution Exploring Operation: 65+70=135, Resulting Numbers: [135] 135,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[56, 51], Operations: ['12+44=56', '65-14=51'] Exploring Operation: 56+51=107, Resulting Numbers: [107] 107,61 unequal: No Solution Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 56*51=2856, Resulting Numbers: [2856] 2856,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[56, 79], Operations: ['12+44=56', '65+14=79'] Exploring Operation: 56+79=135, Resulting Numbers: [135] 135,61 unequal: No Solution Exploring Operation: 56*79=4424, Resulting Numbers: [4424] 4424,61 unequal: No Solution Exploring Operation: 79-56=23, Resulting Numbers: [23] 23,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 75, 51, 10, 5 ]
68
[ "75+10=85", "85/5=17", "51+17=68" ]
Current State: 68:[75, 51, 10, 5], Operations: [] Exploring Operation: 75+10=85, Resulting Numbers: [51, 5, 85] Generated Node #2: [51, 5, 85] from Operation: 75+10=85 Current State: 68:[51, 5, 85], Operations: ['75+10=85'] Exploring Operation: 85/5=17, Resulting Numbers: [51, 17] Generated Node #3: [51, 17] from Operation: 85/5=17 Current State: 68:[51, 17], Operations: ['75+10=85', '85/5=17'] Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[75, 51, 10, 5], Operations: [] Exploring Operation: 51+10=61, Resulting Numbers: [75, 5, 61] Generated Node #0,0: 68:[75, 5, 61] Operation: 51+10=61 Exploring Operation: 75-51=24, Resulting Numbers: [10, 5, 24] Generated Node #0,1: 68:[10, 5, 24] Operation: 75-51=24 Exploring Operation: 51-10=41, Resulting Numbers: [75, 5, 41] Generated Node #0,2: 68:[75, 5, 41] Operation: 51-10=41 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[10, 5, 24], Operations: ['75-51=24'] Exploring Operation: 24-10=14, Resulting Numbers: [5, 14] Generated Node #0,1,0: 68:[5, 14] Operation: 24-10=14 Exploring Operation: 10+24=34, Resulting Numbers: [5, 34] Generated Node #0,1,1: 68:[5, 34] Operation: 10+24=34 Exploring Operation: 10/5=2, Resulting Numbers: [24, 2] Generated Node #0,1,2: 68:[24, 2] Operation: 10/5=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 68:[5, 34], Operations: ['75-51=24', '10+24=34'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,68 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,68 unequal: No Solution Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 68:[5, 14], Operations: ['75-51=24', '24-10=14'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,68 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 68:[24, 2], Operations: ['75-51=24', '10/5=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,68 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[75, 5, 61], Operations: ['51+10=61'] Exploring Operation: 75-5=70, Resulting Numbers: [61, 70] Generated Node #0,0,0: 68:[61, 70] Operation: 75-5=70 Exploring Operation: 75/5=15, Resulting Numbers: [61, 15] Generated Node #0,0,1: 68:[61, 15] Operation: 75/5=15 Exploring Operation: 75-61=14, Resulting Numbers: [5, 14] Generated Node #0,0,2: 68:[5, 14] Operation: 75-61=14 Moving to Node #0,0,2 Current State: 68:[5, 14], Operations: ['51+10=61', '75-61=14'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[61, 70], Operations: ['51+10=61', '75-5=70'] Exploring Operation: 70-61=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 61+70=131, Resulting Numbers: [131] 131,68 unequal: No Solution Exploring Operation: 61*70=4270, Resulting Numbers: [4270] 4270,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[61, 15], Operations: ['51+10=61', '75/5=15'] Exploring Operation: 61*15=915, Resulting Numbers: [915] 915,68 unequal: No Solution Exploring Operation: 61+15=76, Resulting Numbers: [76] 76,68 unequal: No Solution Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[75, 5, 41], Operations: ['51-10=41'] Exploring Operation: 75-41=34, Resulting Numbers: [5, 34] Generated Node #0,2,0: 68:[5, 34] Operation: 75-41=34 Exploring Operation: 75/5=15, Resulting Numbers: [41, 15] Generated Node #0,2,1: 68:[41, 15] Operation: 75/5=15 Exploring Operation: 75-5=70, Resulting Numbers: [41, 70] Generated Node #0,2,2: 68:[41, 70] Operation: 75-5=70 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 68:[5, 34], Operations: ['51-10=41', '75-41=34'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,68 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,68 unequal: No Solution Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 68:[41, 15], Operations: ['51-10=41', '75/5=15'] Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 41*15=615, Resulting Numbers: [615] 615,68 unequal: No Solution Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 68:[41, 70], Operations: ['51-10=41', '75-5=70'] Exploring Operation: 41+70=111, Resulting Numbers: [111] 111,68 unequal: No Solution Exploring Operation: 41*70=2870, Resulting Numbers: [2870] 2870,68 unequal: No Solution Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 76, 26, 37, 36 ]
29
[ "76+26=102", "37+36=73", "102-73=29" ]
Current State: 29:[76, 26, 37, 36], Operations: [] Exploring Operation: 76+26=102, Resulting Numbers: [37, 36, 102] Generated Node #2: [37, 36, 102] from Operation: 76+26=102 Current State: 29:[37, 36, 102], Operations: ['76+26=102'] Exploring Operation: 37+36=73, Resulting Numbers: [102, 73] Generated Node #3: [102, 73] from Operation: 37+36=73 Current State: 29:[102, 73], Operations: ['76+26=102', '37+36=73'] Exploring Operation: 102-73=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[76, 26, 37, 36], Operations: [] Exploring Operation: 76-36=40, Resulting Numbers: [26, 37, 40] Generated Node #0,0: 29:[26, 37, 40] Operation: 76-36=40 Exploring Operation: 76-37=39, Resulting Numbers: [26, 36, 39] Generated Node #0,1: 29:[26, 36, 39] Operation: 76-37=39 Exploring Operation: 76-26=50, Resulting Numbers: [37, 36, 50] Generated Node #0,2: 29:[37, 36, 50] Operation: 76-26=50 Moving to Node #0,1 Current State: 29:[26, 36, 39], Operations: ['76-37=39'] Exploring Operation: 36-26=10, Resulting Numbers: [39, 10] Generated Node #0,1,0: 29:[39, 10] Operation: 36-26=10 Exploring Operation: 39-36=3, Resulting Numbers: [26, 3] Generated Node #0,1,1: 29:[26, 3] Operation: 39-36=3 Exploring Operation: 39-26=13, Resulting Numbers: [36, 13] Generated Node #0,1,2: 29:[36, 13] Operation: 39-26=13 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[36, 13], Operations: ['76-37=39', '39-26=13'] Exploring Operation: 36*13=468, Resulting Numbers: [468] 468,29 unequal: No Solution Exploring Operation: 36+13=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[39, 10], Operations: ['76-37=39', '36-26=10'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[76, 26, 37, 36], Operations: [] Exploring Operation: 76-37=39, Resulting Numbers: [26, 36, 39] Generated Node #0,1: 29:[26, 36, 39] Operation: 76-37=39 Moving to Node #0,1 Current State: 29:[26, 36, 39], Operations: ['76-37=39'] Exploring Operation: 36-26=10, Resulting Numbers: [39, 10] Generated Node #0,1,0: 29:[39, 10] Operation: 36-26=10 Moving to Node #0,1,0 Current State: 29:[39, 10], Operations: ['76-37=39', '36-26=10'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 10, 31, 68, 48 ]
75
[ "10+31=41", "68+48=116", "116-41=75" ]
Current State: 75:[10, 31, 68, 48], Operations: [] Exploring Operation: 10+31=41, Resulting Numbers: [68, 48, 41] Generated Node #2: [68, 48, 41] from Operation: 10+31=41 Current State: 75:[68, 48, 41], Operations: ['10+31=41'] Exploring Operation: 68+48=116, Resulting Numbers: [41, 116] Generated Node #3: [41, 116] from Operation: 68+48=116 Current State: 75:[41, 116], Operations: ['10+31=41', '68+48=116'] Exploring Operation: 116-41=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[10, 31, 68, 48], Operations: [] Exploring Operation: 48-31=17, Resulting Numbers: [10, 68, 17] Generated Node #0,0: 75:[10, 68, 17] Operation: 48-31=17 Exploring Operation: 31+48=79, Resulting Numbers: [10, 68, 79] Generated Node #0,1: 75:[10, 68, 79] Operation: 31+48=79 Exploring Operation: 68-48=20, Resulting Numbers: [10, 31, 20] Generated Node #0,2: 75:[10, 31, 20] Operation: 68-48=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[10, 68, 17], Operations: ['48-31=17'] Exploring Operation: 68/17=4, Resulting Numbers: [10, 4] Generated Node #0,0,0: 75:[10, 4] Operation: 68/17=4 Exploring Operation: 10+17=27, Resulting Numbers: [68, 27] Generated Node #0,0,1: 75:[68, 27] Operation: 10+17=27 Exploring Operation: 10+68=78, Resulting Numbers: [17, 78] Generated Node #0,0,2: 75:[17, 78] Operation: 10+68=78 Moving to Node #0,0,2 Current State: 75:[17, 78], Operations: ['48-31=17', '10+68=78'] Exploring Operation: 17*78=1326, Resulting Numbers: [1326] 1326,75 unequal: No Solution Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,75 unequal: No Solution Exploring Operation: 17+78=95, Resulting Numbers: [95] 95,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[10, 4], Operations: ['48-31=17', '68/17=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,75 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[68, 27], Operations: ['48-31=17', '10+17=27'] Exploring Operation: 68*27=1836, Resulting Numbers: [1836] 1836,75 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 68+27=95, Resulting Numbers: [95] 95,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[10, 68, 79], Operations: ['31+48=79'] Exploring Operation: 79-68=11, Resulting Numbers: [10, 11] Generated Node #0,1,0: 75:[10, 11] Operation: 79-68=11 Exploring Operation: 10+68=78, Resulting Numbers: [79, 78] Generated Node #0,1,1: 75:[79, 78] Operation: 10+68=78 Exploring Operation: 79-10=69, Resulting Numbers: [68, 69] Generated Node #0,1,2: 75:[68, 69] Operation: 79-10=69 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[79, 78], Operations: ['31+48=79', '10+68=78'] Exploring Operation: 79-78=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 79*78=6162, Resulting Numbers: [6162] 6162,75 unequal: No Solution Exploring Operation: 79+78=157, Resulting Numbers: [157] 157,75 unequal: No Solution No 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: 75:[10, 11], Operations: ['31+48=79', '79-68=11'] Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,75 unequal: No Solution Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,75 unequal: No Solution No 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: 75:[68, 69], Operations: ['31+48=79', '79-10=69'] Exploring Operation: 68+69=137, Resulting Numbers: [137] 137,75 unequal: No Solution Exploring Operation: 69-68=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 68*69=4692, Resulting Numbers: [4692] 4692,75 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: 75:[10, 31, 20], Operations: ['68-48=20'] Exploring Operation: 20/10=2, Resulting Numbers: [31, 2] Generated Node #0,2,0: 75:[31, 2] Operation: 20/10=2 Exploring Operation: 31-10=21, Resulting Numbers: [20, 21] Generated Node #0,2,1: 75:[20, 21] Operation: 31-10=21 Exploring Operation: 31-20=11, Resulting Numbers: [10, 11] Generated Node #0,2,2: 75:[10, 11] Operation: 31-20=11 Moving to Node #0,2,0 Current State: 75:[31, 2], Operations: ['68-48=20', '20/10=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,75 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,75 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[20, 21], Operations: ['68-48=20', '31-10=21'] Exploring Operation: 20+21=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 20*21=420, Resulting Numbers: [420] 420,75 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[10, 11], Operations: ['68-48=20', '31-20=11'] Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,75 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,75 unequal: No Solution Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,75 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