Solution for Evil Sudoku #1157421896339
5
1
9
6
8
5
9
4
5
3
1
4
6
5
8
1
2
8
4
6
3
2
5
3
1
2
4
9
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 5 / Column 7 → 5 (Hidden Single)
- Row 4 / Column 6 → 4 (Hidden Single)
- Row 3 / Column 3 → 3 (Hidden Single)
- Row 6 / Column 1 → 5 (Hidden Single)
- Row 8 / Column 2 → 5 (Hidden Single)
- Row 3 / Column 4 → 4 (Hidden Single)
- Row 9 / Column 8 → 5 (Hidden Single)
- Row 5 / Column 3 → 6 (Hidden Single)
- Row 2 / Column 6 → 2 (Hidden Single)
- Row 6 / Column 4 → 2 (Hidden Single)
- Row 6 / Column 9 → 3 (Hidden Single)
- Row 2 / Column 1 → 4 (Hidden Single)
- Row 7 / Column 2 → 1 (Hidden Single)
- Row 1 / Column 1 → 2 (Hidden Single)
- Row 3 / Column 7 → 2 (Hidden Single)
- Row 8 / Column 5 → 2 (Hidden Single)
- Row 2 / Column 5 → 9 (Hidden Single)
- Row 4 / Column 3 → 2 (Hidden Single)
- Row 6 / Column 7 → 6 (Hidden Single)
- Row 4 / Column 9 → 9 (Hidden Single)
- Row 6 / Column 2 → 9 (Hidden Single)
- Row 6 / Column 3 → 7 (Full House)
- Row 4 / Column 1 → 8 (Full House)
- Row 7 / Column 1 → 7 (Full House)
- Locked Candidates Type 1 (Pointing): 3 in b2 => r1c7<>3
- Naked Triple: 7,8,9 in r79c6,r8c4 => r9c5<>7
- W-Wing: 9/8 in r7c6,r8c3 connected by 8 in r9c36 => r7c3,r8c4<>9
- Row 8 / Column 4 → 7 (Naked Single)
- Row 1 / Column 4 → 3 (Naked Single)
- Row 5 / Column 4 → 9 (Full House)
- Row 8 / Column 9 → 1 (Naked Single)
- Row 9 / Column 6 → 8 (Naked Single)
- Row 5 / Column 6 → 7 (Naked Single)
- Row 7 / Column 6 → 9 (Full House)
- Row 5 / Column 5 → 3 (Full House)
- Row 8 / Column 8 → 8 (Naked Single)
- Row 8 / Column 3 → 9 (Full House)
- Row 9 / Column 3 → 4 (Naked Single)
- Row 7 / Column 3 → 8 (Full House)
- Row 7 / Column 7 → 3 (Naked Single)
- Row 9 / Column 5 → 6 (Naked Single)
- Row 7 / Column 5 → 4 (Full House)
- Row 7 / Column 8 → 6 (Full House)
- Row 9 / Column 9 → 7 (Full House)
- Row 3 / Column 9 → 6 (Full House)
- Row 2 / Column 7 → 7 (Naked Single)
- Row 2 / Column 2 → 6 (Naked Single)
- Row 2 / Column 8 → 3 (Full House)
- Row 3 / Column 8 → 1 (Naked Single)
- Row 1 / Column 7 → 8 (Full House)
- Row 4 / Column 7 → 1 (Full House)
- Row 4 / Column 8 → 7 (Full House)
- Row 3 / Column 5 → 7 (Naked Single)
- Row 1 / Column 5 → 1 (Full House)
- Row 1 / Column 2 → 7 (Full House)
- Row 3 / Column 2 → 8 (Full House)
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