Solution for Evil Sudoku #1169435281795
5
6
4
6
5
3
2
1
8
1
5
7
8
4
2
9
3
1
3
7
9
4
6
7
3
4
This Sudoku Puzzle has 59 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Pair, Locked Triple, Locked Candidates Type 1 (Pointing) techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 6 / Column 4 → 9 (Naked Single)
- Row 6 / Column 6 → 3 (Naked Single)
- Row 4 / Column 6 → 1 (Naked Single)
- Row 4 / Column 4 → 5 (Naked Single)
- Row 5 / Column 5 → 6 (Full House)
- Row 9 / Column 5 → 3 (Hidden Single)
- Row 9 / Column 7 → 1 (Hidden Single)
- Row 4 / Column 3 → 3 (Hidden Single)
- Row 3 / Column 5 → 1 (Hidden Single)
- Locked Pair: 5,8 in r78c5 => r12c5,r8c6<>8
- Locked Triple: 2,3,9 in r123c2 => r2c1,r78c2<>2, r1c13,r2c1,r8c2<>9
- Locked Candidates Type 1 (Pointing): 6 in b4 => r6c79<>6
- Row 6 / Column 7 → 8 (Naked Single)
- Row 8 / Column 9 → 6 (Hidden Single)
- Row 8 / Column 2 → 5 (Naked Single)
- Row 8 / Column 5 → 8 (Naked Single)
- Row 7 / Column 5 → 5 (Naked Single)
- Row 8 / Column 8 → 9 (Naked Single)
- Row 7 / Column 8 → 8 (Naked Single)
- Row 9 / Column 8 → 5 (Naked Single)
- Row 9 / Column 9 → 2 (Full House)
- Row 3 / Column 8 → 7 (Naked Single)
- Locked Candidates Type 1 (Pointing): 7 in b2 => r2c1<>7
- Row 2 / Column 1 → 8 (Naked Single)
- Row 9 / Column 1 → 9 (Naked Single)
- Row 9 / Column 3 → 8 (Full House)
- Row 1 / Column 9 → 8 (Hidden Single)
- Row 3 / Column 9 → 5 (Naked Single)
- Row 3 / Column 7 → 9 (Naked Single)
- Row 5 / Column 9 → 7 (Naked Single)
- Row 6 / Column 9 → 4 (Full House)
- Row 1 / Column 7 → 3 (Naked Single)
- Row 3 / Column 2 → 2 (Naked Single)
- Row 3 / Column 6 → 8 (Full House)
- Row 5 / Column 1 → 2 (Naked Single)
- Row 4 / Column 8 → 6 (Naked Single)
- Row 2 / Column 8 → 4 (Full House)
- Row 2 / Column 7 → 6 (Full House)
- Row 6 / Column 2 → 6 (Naked Single)
- Row 6 / Column 3 → 7 (Full House)
- Row 1 / Column 2 → 9 (Naked Single)
- Row 4 / Column 1 → 4 (Naked Single)
- Row 5 / Column 3 → 9 (Full House)
- Row 5 / Column 7 → 5 (Full House)
- Row 4 / Column 7 → 2 (Full House)
- Row 2 / Column 5 → 9 (Naked Single)
- Row 1 / Column 5 → 4 (Full House)
- Row 7 / Column 2 → 4 (Naked Single)
- Row 2 / Column 2 → 3 (Full House)
- Row 1 / Column 3 → 1 (Naked Single)
- Row 1 / Column 1 → 7 (Full House)
- Row 7 / Column 1 → 1 (Full House)
- Row 8 / Column 3 → 2 (Naked Single)
- Row 7 / Column 3 → 6 (Full House)
- Row 7 / Column 4 → 2 (Full House)
- Row 8 / Column 6 → 7 (Naked Single)
- Row 2 / Column 6 → 2 (Full House)
- Row 2 / Column 4 → 7 (Full House)
- Row 8 / Column 4 → 1 (Full House)
Show More...