Solution for Evil Sudoku #3269184537243
6
3
2
9
7
8
4
1
5
4
7
8
5
3
1
6
9
2
5
9
1
2
4
6
8
3
7
1
4
3
2
9
6
8
5
7
7
6
5
1
8
4
3
2
9
9
8
2
3
7
5
6
1
4
7
8
9
3
6
1
5
2
4
2
4
6
9
5
7
8
1
3
1
5
3
4
2
8
7
6
9
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 4 / Column 2 → 4 (Naked Single)
- Row 4 / Column 3 → 3 (Naked Single)
- Row 2 / Column 5 → 3 (Hidden Single)
- Row 4 / Column 8 → 8 (Hidden Single)
- Row 6 / Column 5 → 2 (Hidden Single)
- Row 2 / Column 8 → 4 (Hidden Single)
- Row 1 / Column 6 → 8 (Hidden Single)
- Row 9 / Column 4 → 8 (Hidden Single)
- Row 6 / Column 7 → 6 (Hidden Single)
- Row 6 / Column 6 → 9 (Naked Single)
- Row 5 / Column 6 → 4 (Naked Single)
- Row 7 / Column 6 → 6 (Full House)
- Row 6 / Column 2 → 5 (Naked Single)
- Row 6 / Column 8 → 1 (Full House)
- Row 3 / Column 1 → 4 (Hidden Single)
- Row 7 / Column 5 → 4 (Hidden Single)
- Row 8 / Column 9 → 8 (Hidden Single)
- Row 5 / Column 4 → 1 (Hidden Single)
- Row 3 / Column 7 → 8 (Hidden Single)
- Row 3 / Column 3 → 5 (Hidden Single)
- Row 8 / Column 1 → 3 (Hidden Single)
- Row 7 / Column 9 → 3 (Hidden Single)
- Row 8 / Column 2 → 6 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 1 in b3 => r9c9<>1
- X-Wing: 2 c38 r18 => r1c1<>2
- X-Wing: 9 c38 r17 => r1c159,r7c1<>9
- Row 3 / Column 5 → 9 (Hidden Single)
- Naked Pair: 6,7 in r1c15 => r1c89<>7, r1c9<>6
- Row 1 / Column 9 → 1 (Naked Single)
- Row 3 / Column 2 → 1 (Hidden Single)
- Empty Rectangle: 7 in b3 (r29c2) => r9c9<>7
- XY-Wing: 2/5/9 in r18c8,r9c9 => r2c9,r7c8<>9
- Row 9 / Column 9 → 9 (Hidden Single)
- Row 1 / Column 8 → 9 (Hidden Single)
- Row 1 / Column 3 → 2 (Naked Single)
- Row 8 / Column 3 → 1 (Naked Single)
- Row 7 / Column 3 → 9 (Full House)
- Row 8 / Column 5 → 5 (Naked Single)
- Row 8 / Column 8 → 2 (Full House)
- Row 9 / Column 5 → 1 (Full House)
- Row 9 / Column 7 → 7 (Naked Single)
- Row 2 / Column 7 → 2 (Naked Single)
- Row 7 / Column 7 → 1 (Full House)
- Row 7 / Column 8 → 5 (Full House)
- Row 5 / Column 8 → 7 (Full House)
- Row 7 / Column 1 → 7 (Full House)
- Row 5 / Column 9 → 5 (Full House)
- Row 9 / Column 2 → 2 (Naked Single)
- Row 9 / Column 1 → 5 (Full House)
- Row 1 / Column 1 → 6 (Naked Single)
- Row 1 / Column 5 → 7 (Full House)
- Row 3 / Column 4 → 6 (Full House)
- Row 4 / Column 5 → 6 (Full House)
- Row 3 / Column 9 → 7 (Full House)
- Row 4 / Column 4 → 7 (Full House)
- Row 2 / Column 9 → 6 (Full House)
- Row 5 / Column 2 → 9 (Naked Single)
- Row 2 / Column 2 → 7 (Full House)
- Row 2 / Column 1 → 9 (Full House)
- Row 5 / Column 1 → 2 (Full House)
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