Solution for Evil Sudoku #1182496713542
2
6
1
9
4
6
7
9
8
3
5
4
6
9
1
5
3
6
9
7
6
3
4
9
2
2
4
9
6
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 → 6 (Hidden Single)
- Row 6 / Column 6 → 4 (Hidden Single)
- Row 4 / Column 9 → 4 (Hidden Single)
- Row 7 / Column 7 → 3 (Hidden Single)
- Row 2 / Column 5 → 9 (Hidden Single)
- Row 7 / Column 3 → 9 (Hidden Single)
- Row 6 / Column 1 → 9 (Hidden Single)
- Row 4 / Column 4 → 6 (Hidden Single)
- Row 8 / Column 2 → 2 (Hidden Single)
- Row 7 / Column 5 → 6 (Hidden Single)
- Row 3 / Column 1 → 4 (Hidden Single)
- Row 2 / Column 8 → 4 (Hidden Single)
- Row 4 / Column 7 → 5 (Hidden Single)
- Row 6 / Column 5 → 3 (Hidden Single)
- Row 5 / Column 1 → 3 (Hidden Single)
- Row 9 / Column 2 → 4 (Hidden Single)
- Row 4 / Column 3 → 2 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 1 in b2 => r8c4<>1
- Locked Candidates Type 1 (Pointing): 2 in b5 => r5c9<>2
- Locked Candidates Type 1 (Pointing): 7 in b8 => r8c8<>7
- Naked Pair: 5,8 in r3c35 => r3c4<>8
- X-Wing: 5 r27 c69 => r1c9,r89c6<>5
- Swordfish: 7 c378 r169 => r1c29,r6c9<>7
- Row 1 / Column 9 → 1 (Naked Single)
- Row 3 / Column 7 → 2 (Naked Single)
- Row 3 / Column 4 → 1 (Naked Single)
- Row 6 / Column 9 → 2 (Hidden Single)
- Naked Pair: 3,8 in r1c24 => r1c3<>8
- Empty Rectangle: 8 in b4 (r3c35) => r4c5<>8
- Row 4 / Column 5 → 7 (Naked Single)
- Row 2 / Column 2 → 7 (Hidden Single)
- Row 1 / Column 3 → 5 (Naked Single)
- Row 2 / Column 9 → 5 (Naked Single)
- Row 1 / Column 8 → 7 (Full House)
- Row 3 / Column 3 → 8 (Naked Single)
- Row 1 / Column 2 → 3 (Full House)
- Row 3 / Column 5 → 5 (Full House)
- Row 6 / Column 3 → 7 (Full House)
- Row 1 / Column 4 → 8 (Full House)
- Row 8 / Column 5 → 8 (Full House)
- Row 7 / Column 9 → 8 (Naked Single)
- Row 5 / Column 9 → 7 (Full House)
- Row 6 / Column 7 → 1 (Naked Single)
- Row 6 / Column 8 → 8 (Full House)
- Row 9 / Column 7 → 7 (Full House)
- Row 5 / Column 4 → 2 (Naked Single)
- Row 5 / Column 6 → 8 (Full House)
- Row 9 / Column 6 → 1 (Naked Single)
- Row 7 / Column 2 → 1 (Naked Single)
- Row 7 / Column 6 → 5 (Full House)
- Row 4 / Column 2 → 8 (Full House)
- Row 4 / Column 1 → 1 (Full House)
- Row 2 / Column 4 → 3 (Naked Single)
- Row 2 / Column 6 → 2 (Full House)
- Row 8 / Column 6 → 3 (Full House)
- Row 8 / Column 4 → 7 (Full House)
- Row 9 / Column 8 → 5 (Naked Single)
- Row 8 / Column 8 → 1 (Full House)
- Row 8 / Column 1 → 5 (Full House)
- Row 9 / Column 1 → 8 (Full House)
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