Solution for Evil Sudoku #1338462591793
2
3
1
3
1
6
5
6
9
6
8
7
2
4
5
5
4
8
5
5
6
1
4
8
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 4 → 1 (Naked Single)
- Row 5 / Column 4 → 9 (Naked Single)
- Row 6 / Column 6 → 3 (Naked Single)
- Row 4 / Column 6 → 6 (Full House)
- Row 2 / Column 2 → 6 (Hidden Single)
- Row 5 / Column 7 → 6 (Hidden Single)
- Row 2 / Column 8 → 5 (Hidden Single)
- Row 9 / Column 4 → 5 (Hidden Single)
- Row 9 / Column 1 → 6 (Hidden Single)
- Row 8 / Column 5 → 6 (Hidden Single)
- Row 2 / Column 9 → 1 (Hidden Single)
- Row 3 / Column 8 → 4 (Hidden Single)
- Row 8 / Column 6 → 8 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 2 in b2 => r2c7<>2
- Locked Candidates Type 1 (Pointing): 4 in b2 => r2c3<>4
- Locked Pair: 7,9 in r23c3 => r1c23,r3c1,r589c3<>7, r189c3,r3c1<>9
- Row 3 / Column 1 → 8 (Naked Single)
- Row 3 / Column 5 → 9 (Naked Single)
- Row 6 / Column 1 → 7 (Naked Single)
- Row 1 / Column 6 → 7 (Naked Single)
- Row 3 / Column 3 → 7 (Naked Single)
- Row 9 / Column 5 → 3 (Naked Single)
- Row 5 / Column 1 → 1 (Naked Single)
- Row 1 / Column 9 → 9 (Naked Single)
- Row 2 / Column 6 → 2 (Naked Single)
- Row 2 / Column 3 → 9 (Naked Single)
- Row 7 / Column 5 → 4 (Naked Single)
- Row 2 / Column 5 → 8 (Full House)
- Row 2 / Column 4 → 4 (Full House)
- Row 2 / Column 7 → 7 (Full House)
- Row 4 / Column 1 → 4 (Naked Single)
- Row 7 / Column 1 → 9 (Full House)
- Row 5 / Column 3 → 3 (Naked Single)
- Row 1 / Column 7 → 8 (Naked Single)
- Row 7 / Column 6 → 1 (Naked Single)
- Row 9 / Column 6 → 9 (Full House)
- Row 5 / Column 2 → 8 (Naked Single)
- Row 5 / Column 8 → 7 (Full House)
- Row 6 / Column 7 → 2 (Naked Single)
- Row 6 / Column 8 → 8 (Full House)
- Row 9 / Column 8 → 2 (Naked Single)
- Row 3 / Column 7 → 3 (Naked Single)
- Row 3 / Column 9 → 2 (Full House)
- Row 4 / Column 7 → 9 (Full House)
- Row 4 / Column 9 → 3 (Naked Single)
- Row 4 / Column 8 → 1 (Full House)
- Row 8 / Column 9 → 7 (Full House)
- Row 7 / Column 8 → 3 (Naked Single)
- Row 8 / Column 8 → 9 (Full House)
- Row 9 / Column 2 → 7 (Naked Single)
- Row 9 / Column 3 → 1 (Full House)
- Row 8 / Column 4 → 2 (Naked Single)
- Row 7 / Column 4 → 7 (Full House)
- Row 7 / Column 2 → 2 (Full House)
- Row 8 / Column 3 → 4 (Naked Single)
- Row 8 / Column 2 → 3 (Full House)
- Row 4 / Column 2 → 5 (Naked Single)
- Row 1 / Column 2 → 4 (Full House)
- Row 1 / Column 3 → 5 (Full House)
- Row 4 / Column 3 → 2 (Full House)
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