Solution for Evil Sudoku #1146375912842
6
5
1
7
3
5
9
7
4
2
8
3
5
7
1
8
2
5
7
9
5
2
3
7
6
6
3
7
5
This Sudoku Puzzle has 60 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, undefined, Swordfish, Naked Single, Empty Rectangle, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 3 / Column 8 → 5 (Hidden Single)
- Row 6 / Column 6 → 3 (Hidden Single)
- Row 4 / Column 9 → 3 (Hidden Single)
- Row 7 / Column 7 → 2 (Hidden Single)
- Row 2 / Column 5 → 7 (Hidden Single)
- Row 7 / Column 3 → 7 (Hidden Single)
- Row 6 / Column 1 → 7 (Hidden Single)
- Row 4 / Column 4 → 5 (Hidden Single)
- Row 8 / Column 2 → 6 (Hidden Single)
- Row 7 / Column 5 → 5 (Hidden Single)
- Row 3 / Column 1 → 3 (Hidden Single)
- Row 2 / Column 8 → 3 (Hidden Single)
- Row 4 / Column 7 → 8 (Hidden Single)
- Row 6 / Column 5 → 2 (Hidden Single)
- Row 5 / Column 1 → 2 (Hidden Single)
- Row 9 / Column 2 → 3 (Hidden Single)
- Row 4 / Column 3 → 6 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 1 in b2 => r8c4<>1
- Locked Candidates Type 1 (Pointing): 6 in b5 => r5c9<>6
- Locked Candidates Type 1 (Pointing): 9 in b8 => r8c8<>9
- Naked Pair: 4,8 in r3c35 => r3c4<>4
- X-Wing: 8 r27 c69 => r1c9,r89c6<>8
- Swordfish: 9 c378 r169 => r1c29,r6c9<>9
- Row 1 / Column 9 → 1 (Naked Single)
- Row 3 / Column 7 → 6 (Naked Single)
- Row 3 / Column 4 → 1 (Naked Single)
- Row 6 / Column 9 → 6 (Hidden Single)
- Naked Pair: 2,4 in r1c24 => r1c3<>4
- Empty Rectangle: 4 in b4 (r3c35) => r4c5<>4
- Row 4 / Column 5 → 9 (Naked Single)
- Row 2 / Column 2 → 9 (Hidden Single)
- Row 1 / Column 3 → 8 (Naked Single)
- Row 2 / Column 9 → 8 (Naked Single)
- Row 1 / Column 8 → 9 (Full House)
- Row 3 / Column 3 → 4 (Naked Single)
- Row 1 / Column 2 → 2 (Full House)
- Row 3 / Column 5 → 8 (Full House)
- Row 6 / Column 3 → 9 (Full House)
- Row 1 / Column 4 → 4 (Full House)
- Row 8 / Column 5 → 4 (Full House)
- Row 7 / Column 9 → 4 (Naked Single)
- Row 5 / Column 9 → 9 (Full House)
- Row 6 / Column 7 → 1 (Naked Single)
- Row 6 / Column 8 → 4 (Full House)
- Row 9 / Column 7 → 9 (Full House)
- Row 5 / Column 4 → 6 (Naked Single)
- Row 5 / Column 6 → 4 (Full House)
- Row 9 / Column 6 → 1 (Naked Single)
- Row 7 / Column 2 → 1 (Naked Single)
- Row 7 / Column 6 → 8 (Full House)
- Row 4 / Column 2 → 4 (Full House)
- Row 4 / Column 1 → 1 (Full House)
- Row 2 / Column 4 → 2 (Naked Single)
- Row 2 / Column 6 → 6 (Full House)
- Row 8 / Column 6 → 2 (Full House)
- Row 8 / Column 4 → 9 (Full House)
- Row 9 / Column 8 → 8 (Naked Single)
- Row 8 / Column 8 → 1 (Full House)
- Row 8 / Column 1 → 8 (Full House)
- Row 9 / Column 1 → 4 (Full House)
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