Solution for Evil Sudoku #2132761954896
5
7
4
9
9
2
6
5
3
5
2
4
3
9
6
8
1
8
7
5
9
3
7
2
This Sudoku Puzzle has 60 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 3 / Column 6 → 5 (Hidden Single)
- Row 1 / Column 4 → 7 (Hidden Single)
- Row 2 / Column 9 → 9 (Hidden Single)
- Row 6 / Column 8 → 3 (Hidden Single)
- Row 8 / Column 3 → 5 (Hidden Single)
- Row 9 / Column 6 → 2 (Hidden Single)
- Row 2 / Column 5 → 3 (Hidden Single)
- Row 8 / Column 5 → 4 (Hidden Single)
- Row 1 / Column 6 → 4 (Hidden Single)
- Row 2 / Column 7 → 6 (Hidden Single)
- Row 2 / Column 8 → 2 (Hidden Single)
- Row 5 / Column 7 → 2 (Hidden Single)
- Row 4 / Column 5 → 2 (Hidden Single)
- Locked Pair: 4,8 in r9c78 => r7c79,r9c19<>4, r9c13<>8
- Row 9 / Column 9 → 6 (Naked Single)
- Locked Candidates Type 1 (Pointing): 8 in b5 => r4c23<>8
- Locked Pair: 4,6 in r46c2 => r178c2,r4c3,r6c1<>6, r6c1,r7c2<>4
- Row 8 / Column 2 → 8 (Naked Single)
- Row 7 / Column 1 → 4 (Hidden Single)
- Row 7 / Column 2 → 2 (Hidden Single)
- Row 1 / Column 2 → 3 (Naked Single)
- Row 1 / Column 9 → 1 (Naked Single)
- Row 1 / Column 7 → 8 (Naked Single)
- Row 5 / Column 9 → 7 (Naked Single)
- Row 7 / Column 9 → 5 (Naked Single)
- Row 1 / Column 3 → 6 (Naked Single)
- Row 1 / Column 1 → 2 (Full House)
- Row 3 / Column 8 → 4 (Naked Single)
- Row 9 / Column 7 → 4 (Naked Single)
- Row 5 / Column 5 → 1 (Naked Single)
- Row 6 / Column 5 → 7 (Full House)
- Row 4 / Column 9 → 4 (Naked Single)
- Row 3 / Column 9 → 3 (Full House)
- Row 3 / Column 7 → 7 (Full House)
- Row 7 / Column 7 → 1 (Naked Single)
- Row 9 / Column 8 → 8 (Full House)
- Row 4 / Column 8 → 1 (Full House)
- Row 6 / Column 7 → 5 (Full House)
- Row 7 / Column 3 → 3 (Naked Single)
- Row 7 / Column 4 → 6 (Full House)
- Row 4 / Column 2 → 6 (Naked Single)
- Row 6 / Column 2 → 4 (Full House)
- Row 4 / Column 3 → 7 (Naked Single)
- Row 6 / Column 4 → 9 (Naked Single)
- Row 4 / Column 6 → 8 (Naked Single)
- Row 4 / Column 4 → 5 (Full House)
- Row 6 / Column 6 → 6 (Full House)
- Row 6 / Column 1 → 1 (Full House)
- Row 9 / Column 3 → 9 (Naked Single)
- Row 8 / Column 4 → 1 (Naked Single)
- Row 9 / Column 4 → 3 (Naked Single)
- Row 9 / Column 1 → 7 (Full House)
- Row 8 / Column 1 → 6 (Full House)
- Row 2 / Column 4 → 8 (Full House)
- Row 2 / Column 6 → 1 (Full House)
- Row 8 / Column 6 → 9 (Full House)
- Row 3 / Column 1 → 8 (Naked Single)
- Row 3 / Column 3 → 1 (Full House)
- Row 5 / Column 3 → 8 (Full House)
- Row 5 / Column 1 → 9 (Full House)
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