Solution for Evil Sudoku #4242931758639
9
4
8
5
6
1
7
2
3
5
7
6
2
3
9
1
4
8
3
1
2
8
7
4
6
9
5
8
3
4
1
5
2
6
7
9
9
2
1
4
6
7
8
5
3
5
6
7
9
3
8
4
2
1
4
1
6
2
8
7
3
9
5
3
8
2
6
9
5
7
1
4
7
5
9
1
4
3
2
8
6
This Sudoku Puzzle has 56 steps and it is solved using Hidden Single, Full House, Locked Candidates Type 1 (Pointing), Naked Triple, undefined, Naked Single techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 6 / Column 3 → 9 (Hidden Single)
- Row 4 / Column 4 → 9 (Hidden Single)
- Row 3 / Column 5 → 4 (Hidden Single)
- Row 7 / Column 3 → 6 (Hidden Single)
- Row 9 / Column 6 → 4 (Hidden Single)
- Row 2 / Column 9 → 4 (Hidden Single)
- Row 8 / Column 8 → 4 (Hidden Single)
- Row 9 / Column 2 → 9 (Hidden Single)
- Row 4 / Column 2 → 3 (Hidden Single)
- Row 6 / Column 6 → 3 (Hidden Single)
- Row 7 / Column 5 → 8 (Hidden Single)
- Row 1 / Column 6 → 6 (Hidden Single)
- Row 8 / Column 7 → 1 (Hidden Single)
- Row 9 / Column 1 → 3 (Hidden Single)
- Row 5 / Column 8 → 3 (Hidden Single)
- Row 3 / Column 3 → 3 (Hidden Single)
- Row 5 / Column 2 → 5 (Hidden Single)
- Row 7 / Column 4 → 3 (Hidden Single)
- Row 1 / Column 4 → 5 (Hidden Single)
- Row 3 / Column 6 → 8 (Hidden Single)
- Row 8 / Column 6 → 5 (Hidden Single)
- Row 7 / Column 6 → 2 (Full House)
- Row 9 / Column 4 → 7 (Full House)
- Row 9 / Column 7 → 2 (Full House)
- Locked Candidates Type 1 (Pointing): 6 in b4 => r3c1<>6
- Naked Triple: 2,5,7 in r4c79,r6c8 => r5c9<>2
- W-Wing: 5/7 in r4c7,r7c8 connected by 7 in r47c9 => r6c8,r7c7<>5
- Row 6 / Column 8 → 2 (Naked Single)
- Row 1 / Column 8 → 1 (Naked Single)
- Row 4 / Column 9 → 7 (Naked Single)
- Row 6 / Column 1 → 6 (Naked Single)
- Row 6 / Column 5 → 5 (Full House)
- Row 2 / Column 8 → 7 (Naked Single)
- Row 7 / Column 8 → 5 (Full House)
- Row 4 / Column 7 → 5 (Naked Single)
- Row 4 / Column 5 → 2 (Full House)
- Row 5 / Column 5 → 6 (Full House)
- Row 7 / Column 9 → 9 (Naked Single)
- Row 7 / Column 7 → 7 (Full House)
- Row 3 / Column 7 → 6 (Naked Single)
- Row 5 / Column 9 → 8 (Naked Single)
- Row 1 / Column 9 → 2 (Full House)
- Row 2 / Column 7 → 8 (Full House)
- Row 5 / Column 7 → 9 (Full House)
- Row 1 / Column 3 → 8 (Full House)
- Row 3 / Column 2 → 2 (Naked Single)
- Row 2 / Column 2 → 6 (Naked Single)
- Row 8 / Column 2 → 8 (Full House)
- Row 2 / Column 3 → 1 (Naked Single)
- Row 2 / Column 4 → 2 (Full House)
- Row 3 / Column 4 → 1 (Full House)
- Row 3 / Column 1 → 7 (Full House)
- Row 5 / Column 3 → 2 (Naked Single)
- Row 5 / Column 1 → 1 (Full House)
- Row 8 / Column 1 → 2 (Full House)
- Row 8 / Column 3 → 7 (Full House)
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