Solution for Evil Sudoku #1241297563843
7
9
6
1
3
8
4
7
9
3
4
2
6
9
5
7
6
1
8
9
6
8
5
2
7
6
5
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 3 → 6 (Naked Single)
- Row 6 / Column 2 → 7 (Naked Single)
- Row 1 / Column 4 → 9 (Hidden Single)
- Row 4 / Column 7 → 4 (Hidden Single)
- Row 4 / Column 6 → 1 (Naked Single)
- Row 5 / Column 6 → 7 (Naked Single)
- Row 3 / Column 6 → 4 (Naked Single)
- Row 9 / Column 6 → 9 (Full House)
- Row 6 / Column 8 → 9 (Hidden Single)
- Row 4 / Column 5 → 8 (Hidden Single)
- Row 4 / Column 2 → 5 (Naked Single)
- Row 4 / Column 8 → 2 (Full House)
- Row 8 / Column 5 → 6 (Hidden Single)
- Row 8 / Column 8 → 7 (Hidden Single)
- Row 3 / Column 5 → 7 (Hidden Single)
- Row 7 / Column 1 → 7 (Hidden Single)
- Row 7 / Column 7 → 9 (Hidden Single)
- Row 5 / Column 4 → 2 (Hidden Single)
- Row 2 / Column 9 → 9 (Hidden Single)
- Row 7 / Column 3 → 5 (Hidden Single)
- Row 2 / Column 1 → 6 (Hidden Single)
- Row 3 / Column 9 → 6 (Hidden Single)
- Row 2 / Column 2 → 4 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 2 in b9 => r1c9<>2
- X-Wing: 1 c38 r39 => r39c1,r9c59<>1
- Row 7 / Column 5 → 1 (Hidden Single)
- X-Wing: 8 c38 r29 => r9c1<>8
- Naked Pair: 3,4 in r9c15 => r9c89<>3, r9c9<>4
- Row 9 / Column 9 → 2 (Naked Single)
- Row 7 / Column 2 → 2 (Hidden Single)
- Empty Rectangle: 3 in b9 (r18c2) => r1c9<>3
- XY-Wing: 5/8/1 in r1c9,r29c8 => r3c8,r8c9<>1
- Row 3 / Column 3 → 1 (Hidden Single)
- Row 9 / Column 3 → 8 (Naked Single)
- Row 2 / Column 3 → 2 (Full House)
- Row 9 / Column 8 → 1 (Naked Single)
- Row 2 / Column 5 → 5 (Naked Single)
- Row 1 / Column 5 → 2 (Full House)
- Row 2 / Column 8 → 8 (Full House)
- Row 1 / Column 7 → 3 (Naked Single)
- Row 1 / Column 2 → 8 (Naked Single)
- Row 3 / Column 7 → 2 (Naked Single)
- Row 8 / Column 7 → 8 (Full House)
- Row 3 / Column 8 → 5 (Naked Single)
- Row 1 / Column 9 → 1 (Full House)
- Row 1 / Column 1 → 5 (Full House)
- Row 3 / Column 1 → 3 (Full House)
- Row 5 / Column 8 → 3 (Full House)
- Row 5 / Column 9 → 5 (Full House)
- Row 5 / Column 2 → 1 (Naked Single)
- Row 5 / Column 1 → 8 (Full House)
- Row 8 / Column 2 → 3 (Full House)
- Row 9 / Column 1 → 4 (Naked Single)
- Row 8 / Column 1 → 1 (Full House)
- Row 8 / Column 9 → 4 (Full House)
- Row 9 / Column 5 → 3 (Full House)
- Row 7 / Column 9 → 3 (Full House)
- Row 6 / Column 5 → 4 (Full House)
- Row 7 / Column 4 → 4 (Full House)
- Row 6 / Column 4 → 3 (Full House)
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