Solution for Evil Sudoku #3184912573643
5
7
3
6
8
1
2
9
4
1
6
9
5
4
2
3
8
7
2
4
8
9
3
7
5
1
6
1
4
6
9
5
2
7
3
8
7
9
3
6
1
8
4
2
5
8
5
2
4
7
3
6
9
1
3
2
9
8
6
5
4
1
7
8
7
4
9
3
1
2
5
6
1
6
5
7
2
4
3
8
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 2 / Column 6 → 2 (Naked Single)
- Row 3 / Column 6 → 7 (Naked Single)
- Row 4 / Column 1 → 1 (Hidden Single)
- Row 6 / Column 9 → 1 (Hidden Single)
- Row 5 / Column 8 → 7 (Hidden Single)
- Row 8 / Column 8 → 2 (Hidden Single)
- Row 5 / Column 4 → 6 (Hidden Single)
- Row 8 / Column 6 → 1 (Hidden Single)
- Row 7 / Column 4 → 8 (Hidden Single)
- Row 6 / Column 4 → 4 (Naked Single)
- Row 2 / Column 4 → 5 (Naked Single)
- Row 8 / Column 4 → 9 (Full House)
- Row 6 / Column 5 → 2 (Naked Single)
- Row 6 / Column 3 → 8 (Full House)
- Row 1 / Column 7 → 2 (Hidden Single)
- Row 5 / Column 3 → 2 (Hidden Single)
- Row 7 / Column 7 → 1 (Hidden Single)
- Row 4 / Column 5 → 9 (Hidden Single)
- Row 9 / Column 2 → 1 (Hidden Single)
- Row 3 / Column 7 → 5 (Hidden Single)
- Row 9 / Column 3 → 7 (Hidden Single)
- Row 1 / Column 2 → 7 (Hidden Single)
- Row 2 / Column 2 → 8 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 9 in b9 => r9c1<>9
- X-Wing: 4 r38 c39 => r1c39,r59c9<>4
- Row 5 / Column 7 → 4 (Hidden Single)
- X-Wing: 6 r38 c29 => r1c9<>6
- Naked Pair: 3,8 in r15c9 => r89c9<>3, r9c9<>8
- Row 9 / Column 9 → 9 (Naked Single)
- Row 2 / Column 7 → 9 (Hidden Single)
- Empty Rectangle: 3 in b9 (r2c18) => r9c1<>3
- XY-Wing: 5/6/4 in r8c29,r9c1 => r8c3,r9c8<>4
- Row 8 / Column 9 → 4 (Hidden Single)
- Row 3 / Column 9 → 6 (Naked Single)
- Row 3 / Column 2 → 9 (Naked Single)
- Row 3 / Column 3 → 4 (Full House)
- Row 5 / Column 2 → 5 (Naked Single)
- Row 5 / Column 1 → 9 (Full House)
- Row 8 / Column 2 → 6 (Full House)
- Row 7 / Column 1 → 3 (Naked Single)
- Row 2 / Column 1 → 6 (Naked Single)
- Row 7 / Column 3 → 9 (Naked Single)
- Row 7 / Column 8 → 6 (Full House)
- Row 8 / Column 3 → 5 (Naked Single)
- Row 1 / Column 3 → 3 (Full House)
- Row 1 / Column 1 → 5 (Full House)
- Row 8 / Column 5 → 3 (Full House)
- Row 9 / Column 1 → 4 (Full House)
- Row 9 / Column 5 → 5 (Full House)
- Row 2 / Column 5 → 4 (Naked Single)
- Row 1 / Column 5 → 6 (Full House)
- Row 2 / Column 8 → 3 (Full House)
- Row 1 / Column 9 → 8 (Naked Single)
- Row 1 / Column 8 → 4 (Full House)
- Row 9 / Column 8 → 8 (Full House)
- Row 5 / Column 9 → 3 (Full House)
- Row 9 / Column 7 → 3 (Full House)
- Row 4 / Column 7 → 8 (Full House)
- Row 5 / Column 6 → 8 (Full House)
- Row 4 / Column 6 → 3 (Full House)
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