Solution for Evil Sudoku #2119642853775
8
3
9
6
5
7
4
2
1
6
7
4
1
2
3
5
8
9
2
1
5
4
9
8
6
3
7
2
1
3
9
8
4
7
6
5
8
5
6
7
3
2
9
4
1
7
4
9
1
5
6
8
2
3
1
7
8
3
9
6
5
4
2
4
9
5
2
1
7
3
6
8
3
6
2
5
8
4
9
7
1
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 → 2 (Naked Single)
- Row 4 / Column 2 → 1 (Naked Single)
- Row 4 / Column 7 → 7 (Naked Single)
- Row 5 / Column 7 → 1 (Naked Single)
- Row 5 / Column 9 → 6 (Hidden Single)
- Row 5 / Column 6 → 2 (Naked Single)
- Row 6 / Column 4 → 9 (Naked Single)
- Row 6 / Column 6 → 1 (Naked Single)
- Row 5 / Column 4 → 7 (Naked Single)
- Row 6 / Column 3 → 5 (Naked Single)
- Locked Candidates Type 1 (Pointing): 1 in b3 => r89c8<>1
- Locked Candidates Type 1 (Pointing): 4 in b3 => r2c1236<>4
- Row 1 / Column 6 → 4 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 6 in b7 => r8c458<>6
- Locked Candidates Type 1 (Pointing): 7 in b7 => r12c2<>7
- Row 1 / Column 2 → 3 (Naked Single)
- Row 7 / Column 2 → 7 (Naked Single)
- Row 9 / Column 2 → 4 (Naked Single)
- Row 8 / Column 3 → 6 (Naked Single)
- Row 8 / Column 1 → 3 (Full House)
- Row 2 / Column 3 → 7 (Naked Single)
- Row 9 / Column 8 → 7 (Hidden Single)
- Row 1 / Column 5 → 7 (Hidden Single)
- Row 7 / Column 8 → 6 (Hidden Single)
- Naked Pair: 6,8 in r14c4 => r389c4<>8, r9c4<>6
- Row 9 / Column 4 → 3 (Naked Single)
- Row 7 / Column 6 → 5 (Naked Single)
- Row 9 / Column 7 → 9 (Naked Single)
- Row 8 / Column 4 → 2 (Naked Single)
- Row 7 / Column 7 → 3 (Naked Single)
- Row 3 / Column 4 → 5 (Naked Single)
- Row 7 / Column 5 → 9 (Naked Single)
- Row 7 / Column 9 → 2 (Full House)
- Row 8 / Column 8 → 8 (Naked Single)
- Row 2 / Column 7 → 4 (Naked Single)
- Row 8 / Column 7 → 5 (Full House)
- Row 3 / Column 2 → 2 (Naked Single)
- Row 2 / Column 2 → 5 (Full House)
- Row 6 / Column 9 → 3 (Naked Single)
- Row 6 / Column 8 → 2 (Full House)
- Row 1 / Column 8 → 1 (Naked Single)
- Row 3 / Column 8 → 3 (Full House)
- Row 2 / Column 9 → 8 (Full House)
- Row 8 / Column 5 → 1 (Naked Single)
- Row 8 / Column 9 → 4 (Full House)
- Row 9 / Column 9 → 1 (Full House)
- Row 3 / Column 5 → 8 (Naked Single)
- Row 1 / Column 3 → 9 (Naked Single)
- Row 2 / Column 1 → 6 (Naked Single)
- Row 1 / Column 4 → 6 (Naked Single)
- Row 1 / Column 1 → 8 (Full House)
- Row 4 / Column 4 → 8 (Full House)
- Row 4 / Column 6 → 6 (Full House)
- Row 3 / Column 1 → 4 (Naked Single)
- Row 3 / Column 3 → 1 (Full House)
- Row 5 / Column 3 → 4 (Full House)
- Row 5 / Column 1 → 9 (Full House)
- Row 9 / Column 5 → 6 (Naked Single)
- Row 2 / Column 5 → 2 (Full House)
- Row 2 / Column 6 → 3 (Full House)
- Row 9 / Column 6 → 8 (Full House)
Show More...