Solution for Evil Sudoku #3187214536975
8
9
7
1
5
3
4
2
6
5
2
6
9
8
4
3
7
1
4
1
3
2
7
6
5
9
8
6
4
5
2
3
8
7
1
9
8
1
7
4
6
9
2
3
5
3
2
9
1
5
7
6
8
4
9
6
2
5
7
1
3
8
4
7
5
3
6
4
8
1
9
2
8
4
1
9
3
2
7
6
5
This Sudoku Puzzle has 62 steps and it is solved using Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Full House, Naked Pair techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 6 / Column 9 → 4 (Naked Single)
- Row 6 / Column 8 → 8 (Naked Single)
- Row 6 / Column 3 → 9 (Naked Single)
- Row 5 / Column 3 → 8 (Naked Single)
- Row 4 / Column 7 → 3 (Hidden Single)
- Row 5 / Column 1 → 2 (Hidden Single)
- Row 5 / Column 4 → 4 (Naked Single)
- Row 4 / Column 4 → 8 (Naked Single)
- Row 4 / Column 6 → 7 (Naked Single)
- Row 5 / Column 6 → 9 (Naked Single)
- Locked Candidates Type 1 (Pointing): 2 in b3 => r2c256<>2
- Locked Candidates Type 1 (Pointing): 9 in b3 => r89c8<>9
- Locked Candidates Type 1 (Pointing): 1 in b7 => r8c4789<>1
- Row 9 / Column 4 → 1 (Hidden Single)
- Row 9 / Column 8 → 6 (Naked Single)
- Row 3 / Column 8 → 9 (Naked Single)
- Row 1 / Column 8 → 1 (Naked Single)
- Row 2 / Column 7 → 2 (Naked Single)
- Row 2 / Column 9 → 6 (Full House)
- Row 8 / Column 7 → 9 (Naked Single)
- Row 1 / Column 2 → 9 (Hidden Single)
- Row 9 / Column 5 → 9 (Hidden Single)
- Row 3 / Column 2 → 2 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 8 in b7 => r2c2<>8
- Naked Pair: 4,6 in r34c1 => r18c1<>6, r2c1<>4
- Naked Pair: 2,5 in r69c6 => r1c6<>2, r127c6<>5
- Row 1 / Column 6 → 6 (Naked Single)
- Row 1 / Column 3 → 7 (Naked Single)
- Row 3 / Column 4 → 3 (Naked Single)
- Row 2 / Column 6 → 4 (Naked Single)
- Row 3 / Column 3 → 6 (Naked Single)
- Row 2 / Column 2 → 5 (Naked Single)
- Row 3 / Column 5 → 7 (Naked Single)
- Row 3 / Column 1 → 4 (Full House)
- Row 7 / Column 6 → 3 (Naked Single)
- Row 8 / Column 3 → 1 (Naked Single)
- Row 2 / Column 3 → 3 (Full House)
- Row 1 / Column 1 → 8 (Naked Single)
- Row 2 / Column 1 → 1 (Full House)
- Row 2 / Column 5 → 8 (Full House)
- Row 9 / Column 2 → 8 (Naked Single)
- Row 4 / Column 1 → 6 (Naked Single)
- Row 8 / Column 1 → 5 (Full House)
- Row 7 / Column 2 → 6 (Full House)
- Row 4 / Column 2 → 4 (Full House)
- Row 7 / Column 8 → 4 (Naked Single)
- Row 8 / Column 8 → 3 (Full House)
- Row 9 / Column 7 → 7 (Naked Single)
- Row 8 / Column 9 → 2 (Naked Single)
- Row 7 / Column 5 → 5 (Naked Single)
- Row 5 / Column 7 → 1 (Naked Single)
- Row 5 / Column 9 → 7 (Full House)
- Row 7 / Column 7 → 8 (Full House)
- Row 7 / Column 9 → 1 (Full House)
- Row 9 / Column 9 → 5 (Full House)
- Row 9 / Column 6 → 2 (Full House)
- Row 6 / Column 6 → 5 (Full House)
- Row 6 / Column 4 → 2 (Full House)
- Row 8 / Column 4 → 6 (Naked Single)
- Row 8 / Column 5 → 4 (Full House)
- Row 1 / Column 5 → 2 (Full House)
- Row 1 / Column 4 → 5 (Full House)
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