Solution for Evil Sudoku #1348256173939
8
4
7
6
1
2
5
3
9
1
3
6
9
5
8
7
2
4
2
5
9
7
4
3
1
6
8
9
2
3
1
5
4
7
8
6
6
1
5
8
9
7
2
4
3
8
7
4
3
2
6
5
9
1
3
6
5
4
9
8
2
7
1
4
8
2
5
7
1
3
6
9
9
1
7
6
3
2
4
8
5
This Sudoku Puzzle has 56 steps and it is solved using Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Naked Triple, undefined techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 6 / Column 4 → 2 (Hidden Single)
- Row 7 / Column 6 → 2 (Hidden Single)
- Row 1 / Column 2 → 4 (Hidden Single)
- Row 2 / Column 8 → 4 (Hidden Single)
- Row 5 / Column 3 → 4 (Hidden Single)
- Row 4 / Column 9 → 4 (Hidden Single)
- Row 7 / Column 7 → 9 (Hidden Single)
- Row 8 / Column 4 → 5 (Hidden Single)
- Row 4 / Column 6 → 5 (Hidden Single)
- Row 8 / Column 9 → 2 (Hidden Single)
- Row 3 / Column 8 → 6 (Hidden Single)
- Row 5 / Column 7 → 3 (Hidden Single)
- Row 4 / Column 1 → 9 (Hidden Single)
- Row 7 / Column 3 → 5 (Hidden Single)
- Row 9 / Column 9 → 5 (Hidden Single)
- Row 2 / Column 5 → 5 (Hidden Single)
- Row 8 / Column 5 → 7 (Hidden Single)
- Row 6 / Column 7 → 5 (Hidden Single)
- Row 4 / Column 8 → 7 (Hidden Single)
- Row 4 / Column 7 → 8 (Naked Single)
- Row 4 / Column 3 → 3 (Full House)
- Row 6 / Column 9 → 1 (Full House)
- Row 3 / Column 9 → 8 (Full House)
- Row 6 / Column 1 → 7 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 9 in b8 => r9c3<>9
- Naked Triple: 1,7,8 in r13c4,r2c6 => r1c5<>8
- W-Wing: 7/1 in r2c7,r3c4 connected by 1 in r1c47 => r2c6,r3c7<>7
- Row 2 / Column 6 → 8 (Naked Single)
- Row 1 / Column 4 → 1 (Naked Single)
- Row 2 / Column 1 → 6 (Naked Single)
- Row 9 / Column 6 → 9 (Naked Single)
- Row 5 / Column 6 → 7 (Full House)
- Row 1 / Column 7 → 2 (Naked Single)
- Row 3 / Column 4 → 7 (Naked Single)
- Row 5 / Column 4 → 8 (Full House)
- Row 5 / Column 5 → 9 (Full House)
- Row 2 / Column 2 → 1 (Naked Single)
- Row 2 / Column 7 → 7 (Full House)
- Row 3 / Column 7 → 1 (Full House)
- Row 1 / Column 5 → 3 (Naked Single)
- Row 1 / Column 1 → 8 (Full House)
- Row 3 / Column 5 → 2 (Full House)
- Row 7 / Column 1 → 3 (Full House)
- Row 3 / Column 3 → 9 (Naked Single)
- Row 3 / Column 2 → 3 (Full House)
- Row 8 / Column 3 → 8 (Naked Single)
- Row 6 / Column 3 → 6 (Naked Single)
- Row 6 / Column 2 → 8 (Full House)
- Row 9 / Column 3 → 1 (Full House)
- Row 7 / Column 2 → 6 (Naked Single)
- Row 8 / Column 2 → 9 (Full House)
- Row 8 / Column 8 → 3 (Full House)
- Row 9 / Column 8 → 8 (Naked Single)
- Row 7 / Column 8 → 1 (Full House)
- Row 7 / Column 5 → 8 (Full House)
- Row 9 / Column 5 → 6 (Full House)
Show More...