Solution for Evil Sudoku #2365294317842
7
4
3
9
5
2
4
2
9
5
4
8
2
8
1
9
4
9
7
9
4
1
5
3
2
4
7
6
9
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 → 9 (Hidden Single)
- Row 4 / Column 1 → 9 (Hidden Single)
- Row 3 / Column 7 → 7 (Hidden Single)
- Row 8 / Column 5 → 9 (Hidden Single)
- Row 2 / Column 2 → 5 (Hidden Single)
- Row 6 / Column 9 → 2 (Hidden Single)
- Row 4 / Column 6 → 2 (Hidden Single)
- Row 3 / Column 5 → 4 (Hidden Single)
- Row 7 / Column 8 → 4 (Hidden Single)
- Row 6 / Column 4 → 4 (Hidden Single)
- Row 5 / Column 1 → 7 (Hidden Single)
- Row 6 / Column 7 → 8 (Hidden Single)
- Row 4 / Column 5 → 7 (Hidden Single)
- Row 7 / Column 1 → 2 (Hidden Single)
- Row 8 / Column 8 → 2 (Hidden Single)
- Row 6 / Column 3 → 5 (Hidden Single)
- Row 1 / Column 2 → 2 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 3 in b2 => r2c8<>3
- Locked Candidates Type 1 (Pointing): 5 in b5 => r5c9<>5
- Locked Candidates Type 1 (Pointing): 1 in b8 => r2c4<>1
- Naked Pair: 6,8 in r7c35 => r7c4<>6
- X-Wing: 8 r38 c69 => r12c6,r9c9<>8
- Swordfish: 3 c378 r149 => r49c9,r9c2<>3
- Row 9 / Column 9 → 1 (Naked Single)
- Row 7 / Column 7 → 5 (Naked Single)
- Row 7 / Column 4 → 1 (Naked Single)
- Row 4 / Column 9 → 5 (Hidden Single)
- Naked Pair: 6,7 in r9c24 => r9c3<>6
- Empty Rectangle: 6 in b4 (r7c35) => r6c5<>6
- Row 6 / Column 5 → 3 (Naked Single)
- Row 2 / Column 4 → 3 (Hidden Single)
- Row 5 / Column 9 → 3 (Hidden Single)
- Row 4 / Column 7 → 1 (Naked Single)
- Row 1 / Column 7 → 3 (Full House)
- Row 4 / Column 8 → 6 (Full House)
- Row 4 / Column 3 → 3 (Full House)
- Row 8 / Column 9 → 8 (Naked Single)
- Row 3 / Column 9 → 6 (Full House)
- Row 9 / Column 8 → 3 (Full House)
- Row 9 / Column 3 → 8 (Naked Single)
- Row 7 / Column 3 → 6 (Full House)
- Row 7 / Column 5 → 8 (Full House)
- Row 2 / Column 5 → 6 (Full House)
- Row 3 / Column 2 → 1 (Naked Single)
- Row 3 / Column 6 → 8 (Full House)
- Row 9 / Column 2 → 7 (Naked Single)
- Row 8 / Column 2 → 3 (Full House)
- Row 6 / Column 2 → 6 (Full House)
- Row 9 / Column 4 → 6 (Full House)
- Row 6 / Column 1 → 1 (Full House)
- Row 1 / Column 6 → 1 (Naked Single)
- Row 2 / Column 6 → 7 (Full House)
- Row 2 / Column 1 → 8 (Naked Single)
- Row 1 / Column 1 → 6 (Full House)
- Row 1 / Column 8 → 8 (Full House)
- Row 2 / Column 8 → 1 (Full House)
- Row 5 / Column 4 → 5 (Naked Single)
- Row 5 / Column 6 → 6 (Full House)
- Row 8 / Column 6 → 5 (Full House)
- Row 8 / Column 4 → 7 (Full House)
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