Solution for Evil Sudoku #3241279563896
2
7
3
9
8
1
5
6
4
9
5
4
3
6
7
1
8
2
8
6
1
5
2
4
9
3
7
4
9
7
6
3
8
1
5
2
5
3
6
2
9
1
7
4
8
1
8
2
7
4
5
6
9
3
3
4
9
8
2
5
7
1
6
6
1
5
4
7
9
8
2
3
2
7
8
3
1
6
4
5
9
This Sudoku Puzzle has 61 steps and it is solved using Hidden Single, Locked Pair, Naked Single, Locked Candidates Type 1 (Pointing), Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 5 / Column 2 → 3 (Hidden Single)
- Row 4 / Column 9 → 2 (Hidden Single)
- Row 5 / Column 8 → 4 (Hidden Single)
- Row 9 / Column 8 → 5 (Hidden Single)
- Row 6 / Column 7 → 6 (Hidden Single)
- Row 6 / Column 1 → 1 (Hidden Single)
- Row 3 / Column 2 → 6 (Hidden Single)
- Row 8 / Column 4 → 4 (Hidden Single)
- Row 7 / Column 8 → 7 (Hidden Single)
- Row 6 / Column 9 → 3 (Hidden Single)
- Row 8 / Column 8 → 1 (Hidden Single)
- Row 7 / Column 5 → 1 (Hidden Single)
- Row 5 / Column 6 → 1 (Hidden Single)
- Locked Pair: 3,8 in r78c1 => r19c1,r79c3<>3, r13c1<>8
- Row 9 / Column 1 → 7 (Naked Single)
- Locked Candidates Type 1 (Pointing): 5 in b5 => r1c4<>5
- Locked Candidates Type 1 (Pointing): 8 in b5 => r23c6<>8
- Locked Pair: 3,7 in r2c46 => r1c4,r2c239,r3c6<>7, r1c4,r2c3<>3
- Row 2 / Column 2 → 8 (Naked Single)
- Row 1 / Column 3 → 3 (Hidden Single)
- Row 1 / Column 9 → 1 (Hidden Single)
- Row 2 / Column 9 → 4 (Naked Single)
- Row 2 / Column 3 → 1 (Naked Single)
- Row 9 / Column 9 → 9 (Naked Single)
- Row 7 / Column 9 → 8 (Naked Single)
- Row 3 / Column 9 → 7 (Full House)
- Row 9 / Column 3 → 6 (Naked Single)
- Row 9 / Column 5 → 2 (Naked Single)
- Row 7 / Column 1 → 3 (Naked Single)
- Row 8 / Column 7 → 3 (Naked Single)
- Row 3 / Column 3 → 4 (Naked Single)
- Row 7 / Column 3 → 9 (Naked Single)
- Row 8 / Column 1 → 8 (Full House)
- Row 8 / Column 6 → 9 (Full House)
- Row 4 / Column 3 → 7 (Full House)
- Row 5 / Column 5 → 9 (Naked Single)
- Row 5 / Column 4 → 2 (Full House)
- Row 9 / Column 6 → 3 (Naked Single)
- Row 9 / Column 7 → 4 (Full House)
- Row 7 / Column 7 → 2 (Full House)
- Row 7 / Column 4 → 6 (Full House)
- Row 3 / Column 6 → 2 (Naked Single)
- Row 1 / Column 4 → 9 (Naked Single)
- Row 2 / Column 6 → 7 (Naked Single)
- Row 2 / Column 4 → 3 (Full House)
- Row 4 / Column 4 → 5 (Naked Single)
- Row 6 / Column 4 → 7 (Full House)
- Row 3 / Column 1 → 5 (Naked Single)
- Row 1 / Column 7 → 8 (Naked Single)
- Row 3 / Column 7 → 9 (Full House)
- Row 3 / Column 5 → 8 (Full House)
- Row 1 / Column 5 → 5 (Full House)
- Row 6 / Column 6 → 8 (Naked Single)
- Row 4 / Column 6 → 6 (Full House)
- Row 4 / Column 1 → 4 (Naked Single)
- Row 1 / Column 1 → 2 (Full House)
- Row 1 / Column 2 → 7 (Full House)
- Row 4 / Column 2 → 9 (Naked Single)
- Row 4 / Column 8 → 8 (Full House)
- Row 6 / Column 8 → 9 (Full House)
- Row 6 / Column 2 → 5 (Full House)
Show More...