Solution for Evil Sudoku #3139842671542
3
8
1
5
9
2
6
7
4
4
9
7
6
3
1
8
2
5
6
5
2
8
7
4
1
9
3
4
2
6
1
5
8
7
3
9
5
1
8
9
7
3
2
6
4
7
3
9
2
4
6
5
1
8
8
4
3
2
6
7
9
1
5
7
5
6
1
4
9
3
8
2
9
2
1
3
8
5
4
6
7
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 → 1 (Hidden Single)
- Row 8 / Column 5 → 4 (Hidden Single)
- Row 2 / Column 2 → 9 (Hidden Single)
- Row 6 / Column 9 → 8 (Hidden Single)
- Row 4 / Column 6 → 8 (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 → 1 (Hidden Single)
- Row 6 / Column 7 → 5 (Hidden Single)
- Row 4 / Column 5 → 1 (Hidden Single)
- Row 7 / Column 1 → 8 (Hidden Single)
- Row 8 / Column 8 → 8 (Hidden Single)
- Row 6 / Column 3 → 9 (Hidden Single)
- Row 1 / Column 2 → 8 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 6 in b2 => r2c8<>6
- Locked Candidates Type 1 (Pointing): 9 in b5 => r5c9<>9
- Locked Candidates Type 1 (Pointing): 7 in b8 => r2c4<>7
- Naked Pair: 3,5 in r7c35 => r7c4<>3
- X-Wing: 5 r38 c69 => r12c6,r9c9<>5
- Swordfish: 6 c378 r149 => r49c9,r9c2<>6
- Row 9 / Column 9 → 7 (Naked Single)
- Row 7 / Column 7 → 9 (Naked Single)
- Row 7 / Column 4 → 7 (Naked Single)
- Row 4 / Column 9 → 9 (Hidden Single)
- Naked Pair: 1,3 in r9c24 => r9c3<>3
- Empty Rectangle: 3 in b4 (r7c35) => r6c5<>3
- Row 6 / Column 5 → 6 (Naked Single)
- Row 2 / Column 4 → 6 (Hidden Single)
- Row 5 / Column 9 → 6 (Hidden Single)
- Row 4 / Column 7 → 7 (Naked Single)
- Row 1 / Column 7 → 6 (Full House)
- Row 4 / Column 8 → 3 (Full House)
- Row 4 / Column 3 → 6 (Full House)
- Row 8 / Column 9 → 5 (Naked Single)
- Row 3 / Column 9 → 3 (Full House)
- Row 9 / Column 8 → 6 (Full House)
- Row 9 / Column 3 → 5 (Naked Single)
- Row 7 / Column 3 → 3 (Full House)
- Row 7 / Column 5 → 5 (Full House)
- Row 2 / Column 5 → 3 (Full House)
- Row 3 / Column 2 → 7 (Naked Single)
- Row 3 / Column 6 → 5 (Full House)
- Row 9 / Column 2 → 1 (Naked Single)
- Row 8 / Column 2 → 6 (Full House)
- Row 6 / Column 2 → 3 (Full House)
- Row 9 / Column 4 → 3 (Full House)
- Row 6 / Column 1 → 7 (Full House)
- Row 1 / Column 6 → 7 (Naked Single)
- Row 2 / Column 6 → 1 (Full House)
- Row 2 / Column 1 → 5 (Naked Single)
- Row 1 / Column 1 → 3 (Full House)
- Row 1 / Column 8 → 5 (Full House)
- Row 2 / Column 8 → 7 (Full House)
- Row 5 / Column 4 → 9 (Naked Single)
- Row 5 / Column 6 → 3 (Full House)
- Row 8 / Column 6 → 9 (Full House)
- Row 8 / Column 4 → 1 (Full House)
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