Solution for Evil Sudoku #3475462839143
5
7
9
6
1
2
3
8
4
3
4
6
9
8
5
7
2
1
2
1
8
4
7
3
5
6
9
2
4
7
8
9
3
1
6
5
5
1
3
2
6
4
8
7
9
9
8
6
7
5
1
3
2
4
9
3
6
7
2
1
4
5
8
1
5
7
4
3
8
6
9
2
8
4
2
6
9
5
1
3
7
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 → 3 (Naked Single)
- Row 6 / Column 8 → 2 (Naked Single)
- Row 1 / Column 6 → 6 (Hidden Single)
- Row 6 / Column 2 → 6 (Hidden Single)
- Row 4 / Column 3 → 7 (Hidden Single)
- Row 4 / Column 4 → 5 (Naked Single)
- Row 5 / Column 4 → 2 (Naked Single)
- Row 3 / Column 4 → 7 (Naked Single)
- Row 9 / Column 4 → 6 (Full House)
- Row 4 / Column 5 → 1 (Hidden Single)
- Row 4 / Column 8 → 8 (Naked Single)
- Row 4 / Column 2 → 4 (Full House)
- Row 8 / Column 2 → 2 (Hidden Single)
- Row 8 / Column 5 → 3 (Hidden Single)
- Row 3 / Column 5 → 2 (Hidden Single)
- Row 7 / Column 9 → 2 (Hidden Single)
- Row 7 / Column 3 → 6 (Hidden Single)
- Row 5 / Column 6 → 4 (Hidden Single)
- Row 2 / Column 1 → 6 (Hidden Single)
- Row 7 / Column 7 → 8 (Hidden Single)
- Row 2 / Column 9 → 3 (Hidden Single)
- Row 3 / Column 1 → 3 (Hidden Single)
- Row 2 / Column 8 → 7 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 4 in b7 => r1c1<>4
- X-Wing: 1 c27 r29 => r9c9<>1
- X-Wing: 5 c27 r39 => r39c9,r9c15<>5
- Row 7 / Column 5 → 5 (Hidden Single)
- Naked Pair: 7,9 in r9c59 => r9c1<>7, r9c12<>9
- Row 9 / Column 1 → 4 (Naked Single)
- Row 7 / Column 8 → 4 (Hidden Single)
- Empty Rectangle: 9 in b7 (r18c8) => r1c1<>9
- XY-Wing: 1/8/5 in r1c1,r29c2 => r3c2,r8c1<>5
- Row 3 / Column 7 → 5 (Hidden Single)
- Row 9 / Column 7 → 1 (Naked Single)
- Row 2 / Column 7 → 4 (Full House)
- Row 9 / Column 2 → 5 (Naked Single)
- Row 2 / Column 5 → 8 (Naked Single)
- Row 1 / Column 5 → 4 (Full House)
- Row 2 / Column 2 → 1 (Full House)
- Row 1 / Column 3 → 9 (Naked Single)
- Row 1 / Column 8 → 1 (Naked Single)
- Row 3 / Column 2 → 8 (Naked Single)
- Row 5 / Column 2 → 9 (Full House)
- Row 5 / Column 1 → 8 (Full House)
- Row 3 / Column 3 → 4 (Naked Single)
- Row 8 / Column 3 → 1 (Full House)
- Row 1 / Column 1 → 5 (Full House)
- Row 1 / Column 9 → 8 (Full House)
- Row 3 / Column 9 → 9 (Full House)
- Row 5 / Column 8 → 5 (Naked Single)
- Row 5 / Column 9 → 1 (Full House)
- Row 8 / Column 8 → 9 (Full House)
- Row 9 / Column 9 → 7 (Naked Single)
- Row 8 / Column 9 → 5 (Full House)
- Row 8 / Column 1 → 7 (Full House)
- Row 9 / Column 5 → 9 (Full House)
- Row 7 / Column 1 → 9 (Full House)
- Row 6 / Column 5 → 7 (Full House)
- Row 7 / Column 6 → 7 (Full House)
- Row 6 / Column 6 → 9 (Full House)
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