Solution for Evil Sudoku #3374216593875
5
3
4
2
9
8
1
6
7
2
8
1
7
6
3
9
5
4
6
7
9
1
4
5
2
3
8
6
7
3
4
5
1
8
2
9
5
9
2
8
3
6
4
1
7
8
1
4
7
9
2
5
6
3
7
8
5
3
4
2
9
1
6
1
4
9
6
7
8
3
2
5
3
2
6
9
5
1
4
8
7
This Sudoku Puzzle has 61 steps and it is solved using Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Full House, Naked Pair techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 4 / Column 1 → 6 (Naked Single)
- Row 4 / Column 2 → 7 (Naked Single)
- Row 4 / Column 7 → 8 (Naked Single)
- Row 5 / Column 7 → 7 (Naked Single)
- Row 5 / Column 9 → 2 (Hidden Single)
- Row 5 / Column 6 → 6 (Naked Single)
- Row 6 / Column 4 → 4 (Naked Single)
- Row 6 / Column 6 → 7 (Naked Single)
- Row 5 / Column 4 → 8 (Naked Single)
- Row 6 / Column 3 → 9 (Naked Single)
- Locked Candidates Type 1 (Pointing): 1 in b3 => r2c1236<>1
- Row 1 / Column 6 → 1 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 7 in b3 => r89c8<>7
- Locked Candidates Type 1 (Pointing): 2 in b7 => r8c458<>2
- Locked Candidates Type 1 (Pointing): 8 in b7 => r12c2<>8
- Row 1 / Column 2 → 3 (Naked Single)
- Row 7 / Column 2 → 8 (Naked Single)
- Row 9 / Column 2 → 1 (Naked Single)
- Row 8 / Column 3 → 2 (Naked Single)
- Row 8 / Column 1 → 3 (Full House)
- Row 2 / Column 3 → 8 (Naked Single)
- Row 9 / Column 8 → 8 (Hidden Single)
- Row 1 / Column 5 → 8 (Hidden Single)
- Row 7 / Column 8 → 2 (Hidden Single)
- Naked Pair: 2,5 in r14c4 => r389c4<>5, r9c4<>2
- Row 9 / Column 4 → 3 (Naked Single)
- Row 7 / Column 6 → 9 (Naked Single)
- Row 9 / Column 7 → 4 (Naked Single)
- Row 8 / Column 4 → 6 (Naked Single)
- Row 7 / Column 7 → 3 (Naked Single)
- Row 3 / Column 4 → 9 (Naked Single)
- Row 7 / Column 5 → 4 (Naked Single)
- Row 7 / Column 9 → 6 (Full House)
- Row 8 / Column 8 → 5 (Naked Single)
- Row 2 / Column 7 → 1 (Naked Single)
- Row 8 / Column 7 → 9 (Full House)
- Row 3 / Column 2 → 6 (Naked Single)
- Row 2 / Column 2 → 9 (Full House)
- Row 6 / Column 9 → 3 (Naked Single)
- Row 6 / Column 8 → 6 (Full House)
- Row 1 / Column 8 → 7 (Naked Single)
- Row 3 / Column 8 → 3 (Full House)
- Row 2 / Column 9 → 5 (Full House)
- Row 8 / Column 5 → 7 (Naked Single)
- Row 8 / Column 9 → 1 (Full House)
- Row 9 / Column 9 → 7 (Full House)
- Row 3 / Column 5 → 5 (Naked Single)
- Row 1 / Column 3 → 4 (Naked Single)
- Row 2 / Column 1 → 2 (Naked Single)
- Row 1 / Column 4 → 2 (Naked Single)
- Row 1 / Column 1 → 5 (Full House)
- Row 4 / Column 4 → 5 (Full House)
- Row 4 / Column 6 → 2 (Full House)
- Row 3 / Column 1 → 1 (Naked Single)
- Row 3 / Column 3 → 7 (Full House)
- Row 5 / Column 3 → 1 (Full House)
- Row 5 / Column 1 → 4 (Full House)
- Row 9 / Column 5 → 2 (Naked Single)
- Row 2 / Column 5 → 6 (Full House)
- Row 2 / Column 6 → 3 (Full House)
- Row 9 / Column 6 → 5 (Full House)
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