Solution for Evil Sudoku #1246187925393
8
9
1
8
6
9
5
1
9
5
4
8
1
3
7
9
6
5
7
4
8
2
6
9
This Sudoku Puzzle has 60 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 6 / Column 6 → 5 (Naked Single)
- Row 4 / Column 6 → 4 (Naked Single)
- Row 6 / Column 5 → 2 (Naked Single)
- Row 4 / Column 4 → 8 (Full House)
- Row 2 / Column 2 → 9 (Hidden Single)
- Row 3 / Column 5 → 8 (Hidden Single)
- Row 8 / Column 2 → 8 (Hidden Single)
- Row 6 / Column 9 → 9 (Hidden Single)
- Row 9 / Column 9 → 8 (Hidden Single)
- Row 2 / Column 3 → 1 (Hidden Single)
- Row 1 / Column 2 → 5 (Hidden Single)
- Row 5 / Column 8 → 8 (Hidden Single)
- Row 4 / Column 8 → 6 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 6 in b1 => r3c6<>6
- Locked Candidates Type 1 (Pointing): 1 in b4 => r7c2<>1
- Locked Pair: 2,3 in r7c23 => r7c189,r9c3<>2, r7c1589,r8c1,r9c3<>3
- Row 9 / Column 3 → 6 (Naked Single)
- Row 5 / Column 3 → 2 (Naked Single)
- Row 9 / Column 6 → 3 (Naked Single)
- Row 4 / Column 1 → 3 (Naked Single)
- Row 5 / Column 9 → 4 (Naked Single)
- Row 7 / Column 3 → 3 (Naked Single)
- Row 3 / Column 6 → 7 (Naked Single)
- Row 2 / Column 6 → 6 (Full House)
- Row 9 / Column 5 → 5 (Naked Single)
- Row 1 / Column 1 → 2 (Naked Single)
- Row 4 / Column 2 → 7 (Naked Single)
- Row 5 / Column 7 → 1 (Naked Single)
- Row 5 / Column 2 → 6 (Full House)
- Row 6 / Column 2 → 1 (Full House)
- Row 7 / Column 2 → 2 (Naked Single)
- Row 3 / Column 2 → 3 (Full House)
- Row 3 / Column 3 → 4 (Naked Single)
- Row 1 / Column 3 → 7 (Full House)
- Row 3 / Column 1 → 6 (Full House)
- Row 3 / Column 4 → 2 (Full House)
- Row 7 / Column 5 → 4 (Naked Single)
- Row 9 / Column 4 → 1 (Naked Single)
- Row 9 / Column 7 → 2 (Full House)
- Row 1 / Column 4 → 4 (Naked Single)
- Row 1 / Column 8 → 3 (Full House)
- Row 2 / Column 5 → 3 (Naked Single)
- Row 8 / Column 5 → 6 (Full House)
- Row 2 / Column 4 → 5 (Full House)
- Row 4 / Column 7 → 5 (Naked Single)
- Row 4 / Column 9 → 2 (Full House)
- Row 6 / Column 8 → 7 (Naked Single)
- Row 6 / Column 7 → 3 (Full House)
- Row 2 / Column 9 → 7 (Naked Single)
- Row 7 / Column 8 → 1 (Naked Single)
- Row 2 / Column 7 → 4 (Naked Single)
- Row 2 / Column 8 → 2 (Full House)
- Row 8 / Column 8 → 4 (Full House)
- Row 8 / Column 7 → 7 (Full House)
- Row 7 / Column 9 → 5 (Naked Single)
- Row 8 / Column 9 → 3 (Full House)
- Row 7 / Column 1 → 9 (Naked Single)
- Row 7 / Column 4 → 7 (Full House)
- Row 8 / Column 4 → 9 (Full House)
- Row 8 / Column 1 → 1 (Full House)
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