Solution for Evil Sudoku #3293647821542
7
4
9
5
2
3
8
6
1
3
8
6
9
4
1
2
7
5
1
5
2
7
6
8
3
9
4
2
1
5
3
9
7
4
8
6
6
9
4
1
2
8
5
3
7
8
3
7
5
4
6
2
1
9
1
7
4
6
3
2
9
5
8
8
6
3
7
5
9
4
1
2
9
2
5
4
8
1
6
7
3
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 3 → 1 (Hidden Single)
- Row 6 / Column 6 → 7 (Hidden Single)
- Row 5 / Column 3 → 7 (Hidden Single)
- Row 4 / Column 4 → 6 (Hidden Single)
- Row 1 / Column 6 → 6 (Hidden Single)
- Row 5 / Column 8 → 4 (Hidden Single)
- Row 9 / Column 4 → 4 (Hidden Single)
- Row 7 / Column 3 → 4 (Hidden Single)
- Row 2 / Column 7 → 7 (Hidden Single)
- Row 8 / Column 2 → 3 (Hidden Single)
- Row 3 / Column 6 → 5 (Hidden Single)
- Row 9 / Column 5 → 1 (Hidden Single)
- Row 5 / Column 4 → 1 (Hidden Single)
- Row 2 / Column 8 → 6 (Hidden Single)
- Row 9 / Column 7 → 6 (Hidden Single)
- Row 7 / Column 6 → 3 (Hidden Single)
- Row 8 / Column 1 → 6 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 8 in b4 => r2c2<>8
- Locked Candidates Type 1 (Pointing): 3 in b5 => r1c5<>3
- Locked Candidates Type 1 (Pointing): 2 in b6 => r6c2<>2
- Naked Pair: 5,9 in r57c7 => r6c7<>9
- X-Wing: 5 c38 r14 => r1c9,r4c12<>5
- Swordfish: 8 r237 c149 => r1c49,r8c9<>8
- Row 1 / Column 9 → 2 (Naked Single)
- Row 3 / Column 7 → 3 (Naked Single)
- Row 6 / Column 7 → 2 (Naked Single)
- Row 1 / Column 4 → 3 (Hidden Single)
- Naked Pair: 1,9 in r68c9 => r7c9<>9
- Empty Rectangle: 9 in b8 (r57c7) => r5c6<>9
- Row 5 / Column 6 → 8 (Naked Single)
- Row 6 / Column 2 → 8 (Hidden Single)
- Row 1 / Column 5 → 8 (Hidden Single)
- Row 1 / Column 8 → 5 (Naked Single)
- Row 1 / Column 3 → 9 (Full House)
- Row 2 / Column 9 → 8 (Full House)
- Row 3 / Column 4 → 2 (Naked Single)
- Row 2 / Column 4 → 9 (Full House)
- Row 3 / Column 1 → 8 (Full House)
- Row 7 / Column 4 → 8 (Full House)
- Row 8 / Column 3 → 2 (Naked Single)
- Row 4 / Column 3 → 5 (Full House)
- Row 7 / Column 9 → 5 (Naked Single)
- Row 7 / Column 7 → 9 (Full House)
- Row 5 / Column 7 → 5 (Full House)
- Row 5 / Column 2 → 9 (Full House)
- Row 8 / Column 6 → 9 (Naked Single)
- Row 9 / Column 6 → 2 (Full House)
- Row 8 / Column 9 → 1 (Naked Single)
- Row 6 / Column 9 → 9 (Full House)
- Row 8 / Column 8 → 8 (Full House)
- Row 4 / Column 1 → 2 (Naked Single)
- Row 4 / Column 2 → 1 (Full House)
- Row 9 / Column 2 → 5 (Naked Single)
- Row 2 / Column 2 → 2 (Full House)
- Row 2 / Column 1 → 5 (Full House)
- Row 9 / Column 1 → 9 (Full House)
- Row 6 / Column 5 → 3 (Naked Single)
- Row 4 / Column 5 → 9 (Full House)
- Row 4 / Column 8 → 3 (Full House)
- Row 6 / Column 8 → 1 (Full House)
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