Solution for Evil Sudoku #1178159426375
2
7
9
4
8
5
3
6
1
5
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1
6
9
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8
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2
8
6
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7
9
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8
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1
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7
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9
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1
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4
9
6
3
7
5
8
6
7
9
5
4
8
2
1
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9
1
6
5
4
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6
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2
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 4 / Column 9 → 9 (Naked Single)
- Row 4 / Column 8 → 7 (Naked Single)
- Row 4 / Column 3 → 3 (Naked Single)
- Row 5 / Column 3 → 7 (Naked Single)
- Row 5 / Column 1 → 1 (Hidden Single)
- Row 5 / Column 4 → 9 (Naked Single)
- Row 6 / Column 4 → 7 (Naked Single)
- Row 6 / Column 6 → 8 (Naked Single)
- Row 5 / Column 6 → 3 (Naked Single)
- Row 6 / Column 7 → 2 (Naked Single)
- Locked Candidates Type 1 (Pointing): 5 in b1 => r2c4789<>5
- Row 1 / Column 4 → 5 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 7 in b1 => r89c2<>7
- Locked Candidates Type 1 (Pointing): 1 in b9 => r8c256<>1
- Locked Candidates Type 1 (Pointing): 3 in b9 => r12c8<>3
- Row 1 / Column 8 → 6 (Naked Single)
- Row 7 / Column 8 → 3 (Naked Single)
- Row 9 / Column 8 → 5 (Naked Single)
- Row 8 / Column 7 → 1 (Naked Single)
- Row 8 / Column 9 → 6 (Full House)
- Row 2 / Column 7 → 3 (Naked Single)
- Row 9 / Column 2 → 3 (Hidden Single)
- Row 1 / Column 5 → 3 (Hidden Single)
- Row 7 / Column 2 → 1 (Hidden Single)
- Naked Pair: 6,9 in r67c1 => r29c1<>6, r8c1<>9
- Naked Pair: 1,4 in r14c6 => r389c6<>4, r9c6<>1
- Row 9 / Column 6 → 6 (Naked Single)
- Row 7 / Column 4 → 2 (Naked Single)
- Row 9 / Column 3 → 8 (Naked Single)
- Row 8 / Column 6 → 9 (Naked Single)
- Row 7 / Column 3 → 6 (Naked Single)
- Row 3 / Column 6 → 2 (Naked Single)
- Row 7 / Column 5 → 8 (Naked Single)
- Row 7 / Column 1 → 9 (Full House)
- Row 8 / Column 2 → 4 (Naked Single)
- Row 2 / Column 3 → 5 (Naked Single)
- Row 8 / Column 3 → 2 (Full House)
- Row 3 / Column 8 → 9 (Naked Single)
- Row 2 / Column 8 → 2 (Full House)
- Row 6 / Column 1 → 6 (Naked Single)
- Row 6 / Column 2 → 9 (Full House)
- Row 1 / Column 2 → 7 (Naked Single)
- Row 3 / Column 2 → 6 (Full House)
- Row 2 / Column 1 → 4 (Full House)
- Row 8 / Column 5 → 7 (Naked Single)
- Row 8 / Column 1 → 5 (Full House)
- Row 9 / Column 1 → 7 (Full House)
- Row 3 / Column 5 → 4 (Naked Single)
- Row 1 / Column 7 → 8 (Naked Single)
- Row 2 / Column 9 → 1 (Naked Single)
- Row 1 / Column 6 → 1 (Naked Single)
- Row 1 / Column 9 → 4 (Full House)
- Row 4 / Column 6 → 4 (Full House)
- Row 4 / Column 4 → 1 (Full House)
- Row 3 / Column 9 → 5 (Naked Single)
- Row 3 / Column 7 → 7 (Full House)
- Row 5 / Column 7 → 5 (Full House)
- Row 5 / Column 9 → 8 (Full House)
- Row 9 / Column 5 → 1 (Naked Single)
- Row 2 / Column 5 → 9 (Full House)
- Row 2 / Column 4 → 6 (Full House)
- Row 9 / Column 4 → 4 (Full House)
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