Solution for Evil Sudoku #1251782346975
1
4
8
3
9
4
1
7
2
9
8
8
6
4
1
5
2
3
1
4
5
6
7
3
9
This Sudoku Puzzle has 62 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 9 / Column 6 → 2 (Naked Single)
- Row 8 / Column 6 → 5 (Naked Single)
- Row 3 / Column 6 → 9 (Naked Single)
- Row 3 / Column 5 → 5 (Naked Single)
- Row 1 / Column 5 → 7 (Hidden Single)
- Row 4 / Column 5 → 2 (Naked Single)
- Row 4 / Column 4 → 5 (Naked Single)
- Row 6 / Column 4 → 1 (Naked Single)
- Row 6 / Column 5 → 9 (Naked Single)
- Row 7 / Column 4 → 4 (Naked Single)
- Locked Candidates Type 1 (Pointing): 5 in b3 => r2c12<>5
- Locked Candidates Type 1 (Pointing): 8 in b3 => r4789c8<>8
- Row 4 / Column 9 → 8 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 7 in b7 => r256c2<>7
- Locked Candidates Type 1 (Pointing): 9 in b7 => r8c89<>9
- Row 8 / Column 9 → 6 (Naked Single)
- Row 8 / Column 3 → 9 (Naked Single)
- Row 8 / Column 1 → 8 (Naked Single)
- Row 7 / Column 2 → 7 (Naked Single)
- Row 9 / Column 2 → 6 (Full House)
- Row 7 / Column 8 → 9 (Naked Single)
- Row 2 / Column 1 → 9 (Hidden Single)
- Row 5 / Column 9 → 9 (Hidden Single)
- Row 2 / Column 3 → 7 (Hidden Single)
- Naked Pair: 2,6 in r1c34 => r1c18<>6, r1c2<>2
- Naked Pair: 3,7 in r6c69 => r6c127<>3, r6c1<>7
- Row 6 / Column 1 → 6 (Naked Single)
- Row 3 / Column 1 → 1 (Naked Single)
- Row 4 / Column 3 → 4 (Naked Single)
- Row 3 / Column 3 → 6 (Naked Single)
- Row 6 / Column 2 → 2 (Naked Single)
- Row 1 / Column 3 → 2 (Naked Single)
- Row 5 / Column 3 → 1 (Full House)
- Row 3 / Column 8 → 8 (Naked Single)
- Row 3 / Column 2 → 4 (Full House)
- Row 2 / Column 2 → 3 (Naked Single)
- Row 6 / Column 7 → 4 (Naked Single)
- Row 1 / Column 4 → 6 (Naked Single)
- Row 2 / Column 4 → 2 (Full House)
- Row 1 / Column 8 → 3 (Naked Single)
- Row 1 / Column 1 → 5 (Naked Single)
- Row 1 / Column 2 → 8 (Full House)
- Row 5 / Column 2 → 5 (Full House)
- Row 2 / Column 9 → 5 (Naked Single)
- Row 2 / Column 7 → 6 (Full House)
- Row 8 / Column 7 → 2 (Naked Single)
- Row 8 / Column 8 → 4 (Full House)
- Row 9 / Column 8 → 7 (Naked Single)
- Row 7 / Column 9 → 1 (Naked Single)
- Row 5 / Column 7 → 3 (Naked Single)
- Row 4 / Column 8 → 6 (Naked Single)
- Row 5 / Column 8 → 2 (Full House)
- Row 5 / Column 1 → 7 (Full House)
- Row 6 / Column 9 → 7 (Full House)
- Row 9 / Column 9 → 3 (Full House)
- Row 4 / Column 1 → 3 (Full House)
- Row 6 / Column 6 → 3 (Full House)
- Row 4 / Column 6 → 7 (Full House)
- Row 7 / Column 5 → 8 (Naked Single)
- Row 7 / Column 7 → 5 (Full House)
- Row 9 / Column 7 → 8 (Full House)
- Row 9 / Column 5 → 1 (Full House)
Show More...