Solution for Evil Sudoku #2386759432142
8
7
2
1
6
9
4
3
5
5
6
3
4
8
2
7
9
1
4
1
9
7
3
5
2
6
8
5
9
4
2
1
7
3
8
6
1
2
7
6
3
8
9
4
5
3
8
6
9
5
4
1
2
7
7
5
8
9
4
3
6
2
1
3
1
4
2
5
6
8
7
9
6
9
2
8
7
1
5
4
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 → 5 (Hidden Single)
- Row 4 / Column 1 → 5 (Hidden Single)
- Row 3 / Column 7 → 2 (Hidden Single)
- Row 8 / Column 5 → 5 (Hidden Single)
- Row 2 / Column 2 → 6 (Hidden Single)
- Row 6 / Column 9 → 7 (Hidden Single)
- Row 4 / Column 6 → 7 (Hidden Single)
- Row 3 / Column 5 → 9 (Hidden Single)
- Row 7 / Column 8 → 9 (Hidden Single)
- Row 6 / Column 4 → 9 (Hidden Single)
- Row 5 / Column 1 → 2 (Hidden Single)
- Row 6 / Column 7 → 1 (Hidden Single)
- Row 4 / Column 5 → 2 (Hidden Single)
- Row 7 / Column 1 → 7 (Hidden Single)
- Row 8 / Column 8 → 7 (Hidden Single)
- Row 6 / Column 3 → 6 (Hidden Single)
- Row 1 / Column 2 → 7 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 4 in b2 => r2c8<>4
- Locked Candidates Type 1 (Pointing): 6 in b5 => r5c9<>6
- Locked Candidates Type 1 (Pointing): 3 in b8 => r2c4<>3
- Naked Pair: 1,8 in r7c35 => r7c4<>8
- X-Wing: 1 r38 c69 => r12c6,r9c9<>1
- Swordfish: 4 c378 r149 => r49c9,r9c2<>4
- Row 9 / Column 9 → 3 (Naked Single)
- Row 7 / Column 7 → 6 (Naked Single)
- Row 7 / Column 4 → 3 (Naked Single)
- Row 4 / Column 9 → 6 (Hidden Single)
- Naked Pair: 2,8 in r9c24 => r9c3<>8
- Empty Rectangle: 8 in b4 (r7c35) => r6c5<>8
- Row 6 / Column 5 → 4 (Naked Single)
- Row 2 / Column 4 → 4 (Hidden Single)
- Row 5 / Column 9 → 4 (Hidden Single)
- Row 4 / Column 7 → 3 (Naked Single)
- Row 1 / Column 7 → 4 (Full House)
- Row 4 / Column 8 → 8 (Full House)
- Row 4 / Column 3 → 4 (Full House)
- Row 8 / Column 9 → 1 (Naked Single)
- Row 3 / Column 9 → 8 (Full House)
- Row 9 / Column 8 → 4 (Full House)
- Row 9 / Column 3 → 1 (Naked Single)
- Row 7 / Column 3 → 8 (Full House)
- Row 7 / Column 5 → 1 (Full House)
- Row 2 / Column 5 → 8 (Full House)
- Row 3 / Column 2 → 3 (Naked Single)
- Row 3 / Column 6 → 1 (Full House)
- Row 9 / Column 2 → 2 (Naked Single)
- Row 8 / Column 2 → 4 (Full House)
- Row 6 / Column 2 → 8 (Full House)
- Row 9 / Column 4 → 8 (Full House)
- Row 6 / Column 1 → 3 (Full House)
- Row 1 / Column 6 → 3 (Naked Single)
- Row 2 / Column 6 → 2 (Full House)
- Row 2 / Column 1 → 1 (Naked Single)
- Row 1 / Column 1 → 8 (Full House)
- Row 1 / Column 8 → 1 (Full House)
- Row 2 / Column 8 → 3 (Full House)
- Row 5 / Column 4 → 6 (Naked Single)
- Row 5 / Column 6 → 8 (Full House)
- Row 8 / Column 6 → 6 (Full House)
- Row 8 / Column 4 → 2 (Full House)
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