Solution for Evil Sudoku #1167531924893
7
5
4
3
9
9
7
5
9
9
5
1
8
7
3
2
3
9
3
4
6
4
6
1
This Sudoku Puzzle has 63 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Pair techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 4 / Column 6 → 4 (Naked Single)
- Row 4 / Column 4 → 6 (Naked Single)
- Row 5 / Column 6 → 2 (Naked Single)
- Row 6 / Column 4 → 3 (Full House)
- Row 1 / Column 6 → 9 (Hidden Single)
- Row 5 / Column 3 → 3 (Hidden Single)
- Row 8 / Column 8 → 3 (Hidden Single)
- Row 1 / Column 9 → 3 (Hidden Single)
- Row 8 / Column 2 → 9 (Hidden Single)
- Row 2 / Column 5 → 3 (Hidden Single)
- Row 8 / Column 1 → 4 (Hidden Single)
- Row 7 / Column 2 → 5 (Hidden Single)
- Row 2 / Column 4 → 7 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 1 in b6 => r6c123<>1
- Locked Pair: 2,6 in r6c13 => r6c2<>2, r56c2,r6c78<>6
- Row 6 / Column 2 → 4 (Naked Single)
- Row 6 / Column 9 → 5 (Naked Single)
- Locked Candidates Type 1 (Pointing): 7 in b7 => r4c3<>7
- Locked Candidates Type 1 (Pointing): 1 in b8 => r8c3<>1
- Locked Candidates Type 1 (Pointing): 5 in b8 => r8c7<>5
- Locked Pair: 2,8 in r78c7 => r129c7,r7c9<>2, r1259c7,r7c9,r9c8<>8
- Row 7 / Column 9 → 7 (Naked Single)
- Row 4 / Column 9 → 8 (Naked Single)
- Row 7 / Column 5 → 2 (Naked Single)
- Row 4 / Column 3 → 1 (Naked Single)
- Row 4 / Column 2 → 7 (Full House)
- Row 5 / Column 9 → 4 (Naked Single)
- Row 3 / Column 9 → 2 (Full House)
- Row 1 / Column 5 → 6 (Naked Single)
- Row 7 / Column 7 → 8 (Naked Single)
- Row 9 / Column 4 → 8 (Naked Single)
- Row 5 / Column 2 → 8 (Naked Single)
- Row 5 / Column 7 → 6 (Naked Single)
- Row 5 / Column 8 → 7 (Full House)
- Row 3 / Column 5 → 5 (Naked Single)
- Row 8 / Column 5 → 7 (Full House)
- Row 7 / Column 3 → 6 (Naked Single)
- Row 7 / Column 1 → 1 (Full House)
- Row 8 / Column 7 → 2 (Naked Single)
- Row 8 / Column 4 → 1 (Naked Single)
- Row 8 / Column 6 → 5 (Full House)
- Row 8 / Column 3 → 8 (Full House)
- Row 9 / Column 1 → 2 (Naked Single)
- Row 9 / Column 3 → 7 (Full House)
- Row 6 / Column 3 → 2 (Full House)
- Row 6 / Column 1 → 6 (Full House)
- Row 2 / Column 1 → 8 (Full House)
- Row 3 / Column 4 → 4 (Naked Single)
- Row 1 / Column 4 → 2 (Full House)
- Row 2 / Column 6 → 1 (Naked Single)
- Row 3 / Column 6 → 8 (Full House)
- Row 1 / Column 2 → 1 (Naked Single)
- Row 2 / Column 7 → 5 (Naked Single)
- Row 1 / Column 7 → 4 (Naked Single)
- Row 1 / Column 8 → 8 (Full House)
- Row 3 / Column 2 → 6 (Naked Single)
- Row 2 / Column 2 → 2 (Full House)
- Row 2 / Column 8 → 6 (Full House)
- Row 3 / Column 8 → 1 (Full House)
- Row 9 / Column 7 → 9 (Naked Single)
- Row 6 / Column 7 → 1 (Full House)
- Row 6 / Column 8 → 9 (Full House)
- Row 9 / Column 8 → 5 (Full House)
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