Solution for Evil Sudoku #2324381697575
2
5
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8
6
9
1
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7
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7
5
2
1
9
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8
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8
9
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7
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5
2
7
1
6
3
9
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8
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2
8
4
1
7
5
3
9
6
9
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5
8
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7
2
1
5
7
3
6
4
8
9
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9
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8
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6
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 → 1 (Naked Single)
- Row 6 / Column 8 → 2 (Naked Single)
- Row 6 / Column 3 → 5 (Naked Single)
- Row 5 / Column 3 → 2 (Naked Single)
- Row 4 / Column 7 → 9 (Hidden Single)
- Row 5 / Column 1 → 3 (Hidden Single)
- Row 5 / Column 4 → 1 (Naked Single)
- Row 4 / Column 4 → 2 (Naked Single)
- Row 4 / Column 6 → 4 (Naked Single)
- Row 5 / Column 6 → 5 (Naked Single)
- Locked Candidates Type 1 (Pointing): 3 in b3 => r2c256<>3
- Locked Candidates Type 1 (Pointing): 5 in b3 => r89c8<>5
- Locked Candidates Type 1 (Pointing): 2 in b7 => r12c2<>2
- Locked Candidates Type 1 (Pointing): 8 in b7 => r8c4789<>8
- Row 9 / Column 4 → 8 (Hidden Single)
- Row 9 / Column 8 → 7 (Naked Single)
- Row 3 / Column 8 → 5 (Naked Single)
- Row 1 / Column 8 → 8 (Naked Single)
- Row 2 / Column 7 → 3 (Naked Single)
- Row 2 / Column 9 → 7 (Full House)
- Row 8 / Column 7 → 5 (Naked Single)
- Row 1 / Column 2 → 5 (Hidden Single)
- Row 9 / Column 5 → 5 (Hidden Single)
- Row 3 / Column 2 → 3 (Hidden Single)
- Naked Pair: 1,7 in r34c1 => r18c1<>7, r2c1<>1
- Naked Pair: 3,6 in r69c6 => r1c6<>3, r127c6<>6
- Row 1 / Column 6 → 7 (Naked Single)
- Row 1 / Column 3 → 4 (Naked Single)
- Row 3 / Column 4 → 9 (Naked Single)
- Row 2 / Column 6 → 1 (Naked Single)
- Row 3 / Column 3 → 7 (Naked Single)
- Row 2 / Column 2 → 6 (Naked Single)
- Row 3 / Column 5 → 4 (Naked Single)
- Row 3 / Column 1 → 1 (Full House)
- Row 7 / Column 6 → 9 (Naked Single)
- Row 8 / Column 3 → 8 (Naked Single)
- Row 2 / Column 3 → 9 (Full House)
- Row 1 / Column 1 → 2 (Naked Single)
- Row 2 / Column 1 → 8 (Full House)
- Row 2 / Column 5 → 2 (Full House)
- Row 9 / Column 2 → 2 (Naked Single)
- Row 4 / Column 1 → 7 (Naked Single)
- Row 8 / Column 1 → 6 (Full House)
- Row 7 / Column 2 → 7 (Full House)
- Row 4 / Column 2 → 1 (Full House)
- Row 7 / Column 8 → 1 (Naked Single)
- Row 8 / Column 8 → 9 (Full House)
- Row 9 / Column 7 → 4 (Naked Single)
- Row 8 / Column 9 → 3 (Naked Single)
- Row 7 / Column 5 → 6 (Naked Single)
- Row 5 / Column 7 → 8 (Naked Single)
- Row 5 / Column 9 → 4 (Full House)
- Row 7 / Column 7 → 2 (Full House)
- Row 7 / Column 9 → 8 (Full House)
- Row 9 / Column 9 → 6 (Full House)
- Row 9 / Column 6 → 3 (Full House)
- Row 6 / Column 6 → 6 (Full House)
- Row 6 / Column 4 → 3 (Full House)
- Row 8 / Column 4 → 7 (Naked Single)
- Row 8 / Column 5 → 1 (Full House)
- Row 1 / Column 5 → 3 (Full House)
- Row 1 / Column 4 → 6 (Full House)
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