Solution for Evil Sudoku #1286572391443
3
4
2
9
8
5
1
7
6
7
5
9
6
3
1
4
2
8
1
8
6
2
4
7
5
3
9
7
3
1
4
6
8
5
2
9
9
4
6
5
7
2
1
8
3
8
5
2
9
1
3
6
7
4
2
5
3
6
1
7
8
9
4
8
6
4
3
9
5
2
1
7
7
9
1
4
2
8
3
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 → 9 (Naked Single)
- Row 6 / Column 2 → 2 (Naked Single)
- Row 1 / Column 4 → 7 (Hidden Single)
- Row 6 / Column 8 → 7 (Hidden Single)
- Row 4 / Column 7 → 8 (Hidden Single)
- Row 4 / Column 6 → 6 (Naked Single)
- Row 5 / Column 6 → 2 (Naked Single)
- Row 3 / Column 6 → 8 (Naked Single)
- Row 9 / Column 6 → 7 (Full House)
- Row 4 / Column 5 → 4 (Hidden Single)
- Row 4 / Column 2 → 3 (Naked Single)
- Row 4 / Column 8 → 5 (Full House)
- Row 8 / Column 5 → 9 (Hidden Single)
- Row 8 / Column 8 → 2 (Hidden Single)
- Row 3 / Column 5 → 2 (Hidden Single)
- Row 7 / Column 1 → 2 (Hidden Single)
- Row 7 / Column 7 → 7 (Hidden Single)
- Row 5 / Column 4 → 5 (Hidden Single)
- Row 2 / Column 9 → 7 (Hidden Single)
- Row 7 / Column 3 → 3 (Hidden Single)
- Row 2 / Column 1 → 9 (Hidden Single)
- Row 3 / Column 9 → 9 (Hidden Single)
- Row 2 / Column 2 → 8 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 5 in b9 => r1c9<>5
- X-Wing: 4 c38 r29 => r9c1<>4
- X-Wing: 6 c38 r39 => r39c1,r9c59<>6
- Row 7 / Column 5 → 6 (Hidden Single)
- Naked Pair: 1,8 in r9c15 => r9c89<>1, r9c9<>8
- Row 9 / Column 9 → 5 (Naked Single)
- Row 7 / Column 2 → 5 (Hidden Single)
- Empty Rectangle: 1 in b9 (r18c2) => r1c9<>1
- XY-Wing: 3/4/6 in r1c9,r29c8 => r3c8,r8c9<>6
- Row 3 / Column 3 → 6 (Hidden Single)
- Row 9 / Column 3 → 4 (Naked Single)
- Row 2 / Column 3 → 5 (Full House)
- Row 9 / Column 8 → 6 (Naked Single)
- Row 2 / Column 5 → 3 (Naked Single)
- Row 1 / Column 5 → 5 (Full House)
- Row 2 / Column 8 → 4 (Full House)
- Row 1 / Column 7 → 1 (Naked Single)
- Row 1 / Column 2 → 4 (Naked Single)
- Row 3 / Column 7 → 5 (Naked Single)
- Row 8 / Column 7 → 4 (Full House)
- Row 3 / Column 8 → 3 (Naked Single)
- Row 1 / Column 9 → 6 (Full House)
- Row 1 / Column 1 → 3 (Full House)
- Row 3 / Column 1 → 1 (Full House)
- Row 5 / Column 8 → 1 (Full House)
- Row 5 / Column 9 → 3 (Full House)
- Row 5 / Column 2 → 6 (Naked Single)
- Row 5 / Column 1 → 4 (Full House)
- Row 8 / Column 2 → 1 (Full House)
- Row 9 / Column 1 → 8 (Naked Single)
- Row 8 / Column 1 → 6 (Full House)
- Row 8 / Column 9 → 8 (Full House)
- Row 9 / Column 5 → 1 (Full House)
- Row 7 / Column 9 → 1 (Full House)
- Row 6 / Column 5 → 8 (Full House)
- Row 7 / Column 4 → 8 (Full House)
- Row 6 / Column 4 → 1 (Full House)
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