Solution for Evil Sudoku #4379352846142
9
6
1
2
8
4
3
5
7
7
3
2
6
5
9
4
1
8
5
8
4
7
3
1
9
2
6
4
7
9
6
1
3
5
2
8
2
8
5
9
4
7
1
6
3
1
6
3
2
5
8
4
7
9
8
4
5
1
9
2
7
3
6
3
2
1
8
7
6
5
9
4
6
9
7
3
4
5
8
1
2
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 → 2 (Hidden Single)
- Row 6 / Column 6 → 3 (Hidden Single)
- Row 4 / Column 9 → 3 (Hidden Single)
- Row 7 / Column 7 → 6 (Hidden Single)
- Row 2 / Column 5 → 5 (Hidden Single)
- Row 7 / Column 3 → 5 (Hidden Single)
- Row 6 / Column 1 → 5 (Hidden Single)
- Row 4 / Column 4 → 2 (Hidden Single)
- Row 8 / Column 2 → 9 (Hidden Single)
- Row 7 / Column 5 → 2 (Hidden Single)
- Row 3 / Column 1 → 3 (Hidden Single)
- Row 2 / Column 8 → 3 (Hidden Single)
- Row 4 / Column 7 → 1 (Hidden Single)
- Row 6 / Column 5 → 6 (Hidden Single)
- Row 5 / Column 1 → 6 (Hidden Single)
- Row 9 / Column 2 → 3 (Hidden Single)
- Row 4 / Column 3 → 9 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 4 in b2 => r8c4<>4
- Locked Candidates Type 1 (Pointing): 9 in b5 => r5c9<>9
- Locked Candidates Type 1 (Pointing): 8 in b8 => r8c8<>8
- Naked Pair: 1,7 in r3c35 => r3c4<>7
- X-Wing: 1 r27 c69 => r1c9,r89c6<>1
- Swordfish: 8 c378 r169 => r1c29,r6c9<>8
- Row 1 / Column 9 → 4 (Naked Single)
- Row 3 / Column 7 → 9 (Naked Single)
- Row 3 / Column 4 → 4 (Naked Single)
- Row 6 / Column 9 → 9 (Hidden Single)
- Naked Pair: 6,7 in r1c24 => r1c3<>7
- Empty Rectangle: 7 in b4 (r3c35) => r4c5<>7
- Row 4 / Column 5 → 8 (Naked Single)
- Row 2 / Column 2 → 8 (Hidden Single)
- Row 1 / Column 3 → 1 (Naked Single)
- Row 2 / Column 9 → 1 (Naked Single)
- Row 1 / Column 8 → 8 (Full House)
- Row 3 / Column 3 → 7 (Naked Single)
- Row 1 / Column 2 → 6 (Full House)
- Row 3 / Column 5 → 1 (Full House)
- Row 6 / Column 3 → 8 (Full House)
- Row 1 / Column 4 → 7 (Full House)
- Row 8 / Column 5 → 7 (Full House)
- Row 7 / Column 9 → 7 (Naked Single)
- Row 5 / Column 9 → 8 (Full House)
- Row 6 / Column 7 → 4 (Naked Single)
- Row 6 / Column 8 → 7 (Full House)
- Row 9 / Column 7 → 8 (Full House)
- Row 5 / Column 4 → 9 (Naked Single)
- Row 5 / Column 6 → 7 (Full House)
- Row 9 / Column 6 → 4 (Naked Single)
- Row 7 / Column 2 → 4 (Naked Single)
- Row 7 / Column 6 → 1 (Full House)
- Row 4 / Column 2 → 7 (Full House)
- Row 4 / Column 1 → 4 (Full House)
- Row 2 / Column 4 → 6 (Naked Single)
- Row 2 / Column 6 → 9 (Full House)
- Row 8 / Column 6 → 6 (Full House)
- Row 8 / Column 4 → 8 (Full House)
- Row 9 / Column 8 → 1 (Naked Single)
- Row 8 / Column 8 → 4 (Full House)
- Row 8 / Column 1 → 1 (Full House)
- Row 9 / Column 1 → 7 (Full House)
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