Solution for Evil Sudoku #2263795128443
3
6
8
9
4
5
2
1
7
2
7
9
8
1
3
6
5
4
5
4
1
7
6
2
3
9
8
5
7
6
1
8
2
4
9
3
3
4
2
5
9
7
1
6
8
8
1
9
6
3
4
2
5
7
8
2
9
6
5
4
7
3
1
4
3
6
7
2
1
9
8
5
1
7
5
9
8
3
4
2
6
This Sudoku Puzzle has 60 steps and it is solved using Naked Single, Hidden Single, Full House, Locked Candidates Type 1 (Pointing), undefined, Naked Pair, Empty Rectangle techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 6 / Column 7 → 2 (Naked Single)
- Row 6 / Column 8 → 5 (Naked Single)
- Row 1 / Column 6 → 9 (Hidden Single)
- Row 4 / Column 3 → 6 (Hidden Single)
- Row 4 / Column 4 → 3 (Naked Single)
- Row 5 / Column 4 → 5 (Naked Single)
- Row 3 / Column 4 → 6 (Naked Single)
- Row 9 / Column 4 → 9 (Full House)
- Row 6 / Column 2 → 9 (Hidden Single)
- Row 4 / Column 5 → 4 (Hidden Single)
- Row 4 / Column 8 → 1 (Naked Single)
- Row 4 / Column 2 → 7 (Full House)
- Row 8 / Column 2 → 5 (Hidden Single)
- Row 8 / Column 5 → 2 (Hidden Single)
- Row 3 / Column 5 → 5 (Hidden Single)
- Row 7 / Column 9 → 5 (Hidden Single)
- Row 7 / Column 3 → 9 (Hidden Single)
- Row 5 / Column 6 → 7 (Hidden Single)
- Row 2 / Column 1 → 9 (Hidden Single)
- Row 7 / Column 7 → 1 (Hidden Single)
- Row 2 / Column 9 → 2 (Hidden Single)
- Row 3 / Column 1 → 2 (Hidden Single)
- Row 2 / Column 8 → 6 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 7 in b7 => r1c1<>7
- X-Wing: 3 c27 r39 => r39c9,r9c15<>3
- Row 7 / Column 5 → 3 (Hidden Single)
- X-Wing: 4 c27 r29 => r9c9<>4
- Naked Pair: 6,8 in r9c59 => r9c1<>6, r9c12<>8
- Row 9 / Column 1 → 7 (Naked Single)
- Row 7 / Column 8 → 7 (Hidden Single)
- Empty Rectangle: 8 in b7 (r18c8) => r1c1<>8
- XY-Wing: 1/4/3 in r1c1,r29c2 => r3c2,r8c1<>3
- Row 3 / Column 7 → 3 (Hidden Single)
- Row 9 / Column 7 → 4 (Naked Single)
- Row 2 / Column 7 → 7 (Full House)
- Row 9 / Column 2 → 3 (Naked Single)
- Row 2 / Column 5 → 1 (Naked Single)
- Row 1 / Column 5 → 7 (Full House)
- Row 2 / Column 2 → 4 (Full House)
- Row 1 / Column 3 → 8 (Naked Single)
- Row 1 / Column 8 → 4 (Naked Single)
- Row 3 / Column 2 → 1 (Naked Single)
- Row 5 / Column 2 → 8 (Full House)
- Row 5 / Column 1 → 1 (Full House)
- Row 3 / Column 3 → 7 (Naked Single)
- Row 8 / Column 3 → 4 (Full House)
- Row 1 / Column 1 → 3 (Full House)
- Row 1 / Column 9 → 1 (Full House)
- Row 3 / Column 9 → 8 (Full House)
- Row 5 / Column 8 → 3 (Naked Single)
- Row 5 / Column 9 → 4 (Full House)
- Row 8 / Column 8 → 8 (Full House)
- Row 9 / Column 9 → 6 (Naked Single)
- Row 8 / Column 9 → 3 (Full House)
- Row 8 / Column 1 → 6 (Full House)
- Row 9 / Column 5 → 8 (Full House)
- Row 7 / Column 1 → 8 (Full House)
- Row 6 / Column 5 → 6 (Full House)
- Row 7 / Column 6 → 6 (Full House)
- Row 6 / Column 6 → 8 (Full House)
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