Solution for Evil Sudoku #2353697842143
8
4
2
1
5
9
7
6
3
9
1
6
8
3
7
2
5
4
7
3
5
6
2
4
8
9
1
9
3
1
6
8
7
4
2
5
4
6
2
1
9
5
3
7
8
5
8
7
3
4
2
1
6
9
2
7
6
5
1
8
3
9
4
5
4
3
6
2
9
7
8
1
9
1
8
4
7
3
2
5
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 2 / Column 6 → 7 (Naked Single)
- Row 3 / Column 6 → 4 (Naked Single)
- Row 4 / Column 1 → 9 (Hidden Single)
- Row 6 / Column 9 → 9 (Hidden Single)
- Row 5 / Column 8 → 4 (Hidden Single)
- Row 8 / Column 8 → 7 (Hidden Single)
- Row 5 / Column 4 → 1 (Hidden Single)
- Row 7 / Column 4 → 5 (Hidden Single)
- Row 6 / Column 4 → 3 (Naked Single)
- Row 2 / Column 4 → 8 (Naked Single)
- Row 8 / Column 4 → 6 (Full House)
- Row 6 / Column 5 → 7 (Naked Single)
- Row 6 / Column 3 → 5 (Full House)
- Row 8 / Column 6 → 9 (Hidden Single)
- Row 1 / Column 7 → 7 (Hidden Single)
- Row 5 / Column 3 → 7 (Hidden Single)
- Row 7 / Column 7 → 9 (Hidden Single)
- Row 4 / Column 5 → 6 (Hidden Single)
- Row 9 / Column 2 → 9 (Hidden Single)
- Row 3 / Column 7 → 8 (Hidden Single)
- Row 9 / Column 3 → 4 (Hidden Single)
- Row 1 / Column 2 → 4 (Hidden Single)
- Row 2 / Column 2 → 5 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 6 in b9 => r9c1<>6
- X-Wing: 1 r38 c29 => r1c9<>1
- X-Wing: 3 r38 c39 => r1c39,r59c9<>3
- Row 5 / Column 7 → 3 (Hidden Single)
- Naked Pair: 2,5 in r15c9 => r89c9<>2, r9c9<>5
- Row 9 / Column 9 → 6 (Naked Single)
- Row 2 / Column 7 → 6 (Hidden Single)
- Empty Rectangle: 2 in b9 (r2c18) => r9c1<>2
- XY-Wing: 1/8/3 in r8c29,r9c1 => r8c3,r9c8<>3
- Row 8 / Column 9 → 3 (Hidden Single)
- Row 3 / Column 9 → 1 (Naked Single)
- Row 3 / Column 2 → 6 (Naked Single)
- Row 3 / Column 3 → 3 (Full House)
- Row 5 / Column 2 → 8 (Naked Single)
- Row 5 / Column 1 → 6 (Full House)
- Row 8 / Column 2 → 1 (Full House)
- Row 7 / Column 1 → 2 (Naked Single)
- Row 2 / Column 1 → 1 (Naked Single)
- Row 7 / Column 3 → 6 (Naked Single)
- Row 7 / Column 8 → 1 (Full House)
- Row 8 / Column 3 → 8 (Naked Single)
- Row 1 / Column 3 → 2 (Full House)
- Row 1 / Column 1 → 8 (Full House)
- Row 8 / Column 5 → 2 (Full House)
- Row 9 / Column 1 → 3 (Full House)
- Row 9 / Column 5 → 8 (Full House)
- Row 2 / Column 5 → 3 (Naked Single)
- Row 1 / Column 5 → 1 (Full House)
- Row 2 / Column 8 → 2 (Full House)
- Row 1 / Column 9 → 5 (Naked Single)
- Row 1 / Column 8 → 3 (Full House)
- Row 9 / Column 8 → 5 (Full House)
- Row 5 / Column 9 → 2 (Full House)
- Row 9 / Column 7 → 2 (Full House)
- Row 4 / Column 7 → 5 (Full House)
- Row 5 / Column 6 → 5 (Full House)
- Row 4 / Column 6 → 2 (Full House)
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