Solution for Evil Sudoku #1251713524895
9
1
7
8
3
5
2
4
6
3
8
6
7
4
2
1
9
5
5
2
4
6
9
9
7
3
8
7
8
3
6
9
9
5
2
1
6
2
4
5
3
8
9
7
4
1
9
5
4
7
2
6
9
3
4
7
8
3
6
2
3
5
1
2
5
3
4
1
7
8
6
1
6
1
1
8
8
5
9
4
7
This Sudoku Puzzle has 57 steps and it is solved using Hidden Single, Locked Candidates Type 2 (Claiming), Naked Single, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 9 / Column 2 → 5 (Hidden Single)
- Row 7 / Column 1 → 4 (Hidden Single)
- Row 2 / Column 3 → 5 (Hidden Single)
- Row 2 / Column 2 → 3 (Hidden Single)
- Row 2 / Column 4 → 7 (Hidden Single)
- Row 1 / Column 3 → 7 (Hidden Single)
- Row 8 / Column 6 → 7 (Hidden Single)
- Row 9 / Column 9 → 7 (Hidden Single)
- Row 3 / Column 4 → 1 (Hidden Single)
- Row 1 / Column 9 → 4 (Hidden Single)
- Row 5 / Column 8 → 7 (Hidden Single)
- Row 9 / Column 4 → 8 (Hidden Single)
- Row 3 / Column 9 → 8 (Hidden Single)
- Row 7 / Column 4 → 2 (Hidden Single)
- Row 1 / Column 5 → 8 (Hidden Single)
- Row 1 / Column 8 → 2 (Hidden Single)
- Row 5 / Column 9 → 2 (Hidden Single)
- Row 6 / Column 2 → 2 (Hidden Single)
- Row 4 / Column 2 → 8 (Hidden Single)
- Locked Candidates Type 2 (Claiming): 6 in c4 => r46c6,r5c5<>6
- Locked Candidates Type 2 (Claiming): 9 in c4 => r46c6,r5c5<>9
- Row 5 / Column 5 → 3 (Naked Single)
- Row 6 / Column 6 → 4 (Naked Single)
- Row 4 / Column 6 → 4 (Naked Single)
- Row 4 / Column 3 → 3 (Hidden Single)
- Row 7 / Column 6 → 3 (Hidden Single)
- Row 5 / Column 7 → 4 (Hidden Single)
- Row 7 / Column 5 → 5 (Hidden Single)
- Row 3 / Column 6 → 5 (Hidden Single)
- Row 3 / Column 2 → 4 (Hidden Single)
- Row 9 / Column 5 → 6 (Hidden Single)
- Row 3 / Column 5 → 9 (Full House)
- Row 1 / Column 6 → 6 (Full House)
- Row 1 / Column 1 → 9 (Full House)
- Row 5 / Column 1 → 6 (Naked Single)
- Row 5 / Column 2 → 9 (Full House)
- Row 5 / Column 3 → 9 (Full House)
- Row 8 / Column 2 → 6 (Full House)
- Row 3 / Column 1 → 2 (Naked Single)
- Row 3 / Column 3 → 6 (Full House)
- Row 8 / Column 1 → 3 (Full House)
- Row 9 / Column 1 → 3 (Full House)
- Row 8 / Column 3 → 2 (Naked Single)
- Row 9 / Column 7 → 9 (Hidden Single)
- Row 8 / Column 7 → 8 (Full House)
- Row 2 / Column 7 → 6 (Full House)
- Row 7 / Column 7 → 6 (Full House)
- Row 8 / Column 8 → 8 (Full House)
- Row 6 / Column 7 → 6 (Full House)
- Row 7 / Column 8 → 1 (Naked Single)
- Row 7 / Column 9 → 1 (Naked Single)
- Row 2 / Column 8 → 9 (Full House)
- Row 2 / Column 9 → 9 (Full House)
- Row 4 / Column 8 → 9 (Naked Single)
- Row 6 / Column 4 → 9 (Naked Single)
- Row 4 / Column 4 → 6 (Full House)
- Row 6 / Column 8 → 9 (Naked Single)
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