Solution for Evil Sudoku #1386713524895
9
3
4
5
6
7
1
2
8
8
1
7
4
3
3
6
9
5
6
8
5
2
9
1
4
3
7
8
4
2
3
1
5
6
7
3
1
5
9
7
6
2
1
8
4
6
7
3
8
4
9
5
2
9
2
9
6
4
8
1
7
5
1
5
4
1
9
7
6
3
2
8
7
5
8
3
5
2
9
6
4
This Sudoku Puzzle has 66 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Hidden Rectangle, undefined, Naked Single, Naked Pair, Discontinuous Nice Loop, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 1 / Column 5 → 1 (Hidden Single)
- Row 1 / Column 3 → 4 (Hidden Single)
- Row 8 / Column 2 → 8 (Hidden Single)
- Row 8 / Column 5 → 7 (Hidden Single)
- Row 6 / Column 2 → 7 (Hidden Single)
- Row 9 / Column 1 → 7 (Hidden Single)
- Row 4 / Column 8 → 7 (Hidden Single)
- Row 3 / Column 9 → 7 (Hidden Single)
- Row 9 / Column 9 → 4 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 5 in b1 => r5c1<>5
- Locked Candidates Type 1 (Pointing): 6 in b1 => r7c2<>6
- Locked Candidates Type 1 (Pointing): 1 in b6 => r9c7<>1
- Locked Candidates Type 2 (Claiming): 3 in r1 => r2c12,r3c2<>3
- Hidden Rectangle: 1/9 in r4c47,r6c47 => r6c7<>9
- Almost Locked Set XZ-Rule: A=r2c45678 {234569}, B=r23c2 {269}, X=6, Z=2,9 => r2c1<>2, r2c1<>9
- Row 2 / Column 1 → 5 (Naked Single)
- Row 3 / Column 6 → 5 (Hidden Single)
- Locked Candidates Type 2 (Claiming): 5 in c8 => r8c9<>5
- Naked Pair: 6,9 in r48c6 => r26c6<>9
- Discontinuous Nice Loop: 9 r7c5 -9- r8c6 -6- r4c6 =6= r5c5 =3= r6c6 =4= r6c4 -4- r7c4 =4= r7c5 => r7c5<>9
- Almost Locked Set XZ-Rule: A=r2c2456 {23469}, B=r23c8 {369}, X=6, Z=9 => r2c7<>9
- Almost Locked Set XZ-Rule: A=r2c2457 {23469}, B=r2c6 {34}, X=3,4 => r2c8,r3c5<>3, r2c8<>6, r2c8<>9
- Row 2 / Column 8 → 9 (Naked Single)
- Row 3 / Column 8 → 3 (Naked Single)
- Row 3 / Column 5 → 9 (Hidden Single)
- Row 3 / Column 2 → 2 (Naked Single)
- Row 3 / Column 7 → 4 (Full House)
- Row 2 / Column 2 → 6 (Naked Single)
- Row 2 / Column 7 → 2 (Naked Single)
- Row 2 / Column 4 → 4 (Naked Single)
- Row 2 / Column 5 → 3 (Full House)
- Row 2 / Column 6 → 3 (Full House)
- Row 5 / Column 5 → 6 (Naked Single)
- Row 6 / Column 6 → 4 (Naked Single)
- Row 4 / Column 6 → 9 (Naked Single)
- Row 4 / Column 4 → 1 (Full House)
- Row 6 / Column 4 → 1 (Full House)
- Row 9 / Column 5 → 2 (Naked Single)
- Row 7 / Column 5 → 4 (Full House)
- Row 4 / Column 3 → 2 (Naked Single)
- Row 8 / Column 6 → 6 (Naked Single)
- Row 6 / Column 7 → 5 (Naked Single)
- Row 4 / Column 1 → 8 (Naked Single)
- Row 4 / Column 7 → 6 (Full House)
- Row 1 / Column 7 → 6 (Naked Single)
- Row 5 / Column 9 → 9 (Naked Single)
- Row 6 / Column 9 → 9 (Naked Single)
- Row 9 / Column 7 → 9 (Naked Single)
- Row 1 / Column 9 → 5 (Naked Single)
- Row 5 / Column 1 → 3 (Naked Single)
- Row 5 / Column 7 → 8 (Naked Single)
- Row 5 / Column 3 → 5 (Full House)
- Row 6 / Column 3 → 3 (Full House)
- Row 8 / Column 9 → 2 (Naked Single)
- Row 1 / Column 1 → 9 (Naked Single)
- Row 1 / Column 2 → 3 (Full House)
- Row 7 / Column 1 → 2 (Full House)
- Row 7 / Column 2 → 9 (Full House)
- Row 7 / Column 3 → 6 (Naked Single)
- Row 7 / Column 4 → 5 (Full House)
- Row 8 / Column 3 → 1 (Full House)
- Row 7 / Column 8 → 5 (Full House)
- Row 9 / Column 3 → 1 (Full House)
- Row 8 / Column 4 → 9 (Full House)
- Row 8 / Column 8 → 5 (Full House)
- Row 9 / Column 8 → 6 (Naked Single)
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