Solution for Evil Sudoku #2398142357642
9
1
7
6
8
2
3
5
4
4
8
5
3
9
7
1
2
6
3
6
2
1
5
4
7
8
9
4
2
3
7
6
1
5
9
8
6
7
1
8
5
9
2
3
4
5
9
8
2
4
3
6
7
1
1
4
9
2
3
5
8
7
6
5
6
3
7
4
8
9
1
2
8
2
7
9
1
6
4
3
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 3 → 4 (Hidden Single)
- Row 4 / Column 1 → 4 (Hidden Single)
- Row 3 / Column 7 → 7 (Hidden Single)
- Row 8 / Column 5 → 4 (Hidden Single)
- Row 2 / Column 2 → 8 (Hidden Single)
- Row 6 / Column 9 → 1 (Hidden Single)
- Row 4 / Column 6 → 1 (Hidden Single)
- Row 3 / Column 5 → 2 (Hidden Single)
- Row 7 / Column 8 → 2 (Hidden Single)
- Row 6 / Column 4 → 2 (Hidden Single)
- Row 5 / Column 1 → 7 (Hidden Single)
- Row 6 / Column 7 → 6 (Hidden Single)
- Row 4 / Column 5 → 7 (Hidden Single)
- Row 7 / Column 1 → 1 (Hidden Single)
- Row 8 / Column 8 → 1 (Hidden Single)
- Row 6 / Column 3 → 8 (Hidden Single)
- Row 1 / Column 2 → 1 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 3 in b2 => r2c8<>3
- Locked Candidates Type 1 (Pointing): 8 in b5 => r5c9<>8
- Locked Candidates Type 1 (Pointing): 5 in b8 => r2c4<>5
- Naked Pair: 6,9 in r7c35 => r7c4<>9
- X-Wing: 6 r38 c69 => r12c6,r9c9<>6
- Swordfish: 3 c378 r149 => r49c9,r9c2<>3
- Row 9 / Column 9 → 5 (Naked Single)
- Row 7 / Column 7 → 8 (Naked Single)
- Row 7 / Column 4 → 5 (Naked Single)
- Row 4 / Column 9 → 8 (Hidden Single)
- Naked Pair: 7,9 in r9c24 => r9c3<>9
- Empty Rectangle: 9 in b4 (r7c35) => r6c5<>9
- 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 → 5 (Naked Single)
- Row 1 / Column 7 → 3 (Full House)
- Row 4 / Column 8 → 9 (Full House)
- Row 4 / Column 3 → 3 (Full House)
- Row 8 / Column 9 → 6 (Naked Single)
- Row 3 / Column 9 → 9 (Full House)
- Row 9 / Column 8 → 3 (Full House)
- Row 9 / Column 3 → 6 (Naked Single)
- Row 7 / Column 3 → 9 (Full House)
- Row 7 / Column 5 → 6 (Full House)
- Row 2 / Column 5 → 9 (Full House)
- Row 3 / Column 2 → 5 (Naked Single)
- Row 3 / Column 6 → 6 (Full House)
- Row 9 / Column 2 → 7 (Naked Single)
- Row 8 / Column 2 → 3 (Full House)
- Row 6 / Column 2 → 9 (Full House)
- Row 9 / Column 4 → 9 (Full House)
- Row 6 / Column 1 → 5 (Full House)
- Row 1 / Column 6 → 5 (Naked Single)
- Row 2 / Column 6 → 7 (Full House)
- Row 2 / Column 1 → 6 (Naked Single)
- Row 1 / Column 1 → 9 (Full House)
- Row 1 / Column 8 → 6 (Full House)
- Row 2 / Column 8 → 5 (Full House)
- Row 5 / Column 4 → 8 (Naked Single)
- Row 5 / Column 6 → 9 (Full House)
- Row 8 / Column 6 → 8 (Full House)
- Row 8 / Column 4 → 7 (Full House)
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