5
1
8
6
9
4
2
4
6
9
1
1
3
6
7
5
4
3
5
7
9
6
8
9
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 6 / Column 9 → 8 (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 → 6 (Hidden Single)
- Row 5 / Column 1 → 7 (Hidden Single)
- Row 5 / Column 4 → 8 (Naked Single)
- Row 4 / Column 4 → 2 (Naked Single)
- Row 4 / Column 6 → 9 (Naked Single)
- Row 5 / Column 6 → 5 (Naked Single)
- Locked Candidates Type 1 (Pointing): 5 in b3 => r89c8<>5
- Locked Candidates Type 1 (Pointing): 7 in b3 => r2c256<>7
- Locked Candidates Type 1 (Pointing): 1 in b7 => r8c4789<>1
- Row 9 / Column 4 → 1 (Hidden Single)
- Row 9 / Column 8 → 3 (Naked Single)
- Row 3 / Column 8 → 5 (Naked Single)
- Row 1 / Column 8 → 1 (Naked Single)
- Row 2 / Column 7 → 7 (Naked Single)
- Row 2 / Column 9 → 3 (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 → 7 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 2 in b7 => r2c2<>2
- Naked Pair: 3,8 in r34c1 => r18c1<>3, r2c1<>8
- Naked Pair: 4,7 in r69c6 => r127c6<>4, r1c6<>7
- Row 1 / Column 6 → 3 (Naked Single)
- Row 1 / Column 3 → 9 (Naked Single)
- Row 3 / Column 4 → 6 (Naked Single)
- Row 2 / Column 6 → 8 (Naked Single)
- Row 3 / Column 3 → 3 (Naked Single)
- Row 2 / Column 2 → 4 (Naked Single)
- Row 3 / Column 5 → 9 (Naked Single)
- Row 3 / Column 1 → 8 (Full House)
- Row 7 / Column 6 → 6 (Naked Single)
- Row 8 / Column 3 → 1 (Naked Single)
- Row 2 / Column 3 → 6 (Full House)
- Row 1 / Column 1 → 2 (Naked Single)
- Row 2 / Column 1 → 1 (Full House)
- Row 2 / Column 5 → 2 (Full House)
- Row 9 / Column 2 → 2 (Naked Single)
- Row 4 / Column 1 → 3 (Naked Single)
- Row 8 / Column 1 → 4 (Full House)
- Row 7 / Column 2 → 3 (Full House)
- Row 4 / Column 2 → 8 (Full House)
- Row 7 / Column 8 → 8 (Naked Single)
- Row 8 / Column 8 → 6 (Full House)
- Row 9 / Column 7 → 9 (Naked Single)
- Row 8 / Column 9 → 7 (Naked Single)
- Row 7 / Column 5 → 4 (Naked Single)
- Row 5 / Column 7 → 1 (Naked Single)
- Row 5 / Column 9 → 9 (Full House)
- Row 7 / Column 7 → 2 (Full House)
- Row 7 / Column 9 → 1 (Full House)
- Row 9 / Column 9 → 4 (Full House)
- Row 9 / Column 6 → 7 (Full House)
- Row 6 / Column 6 → 4 (Full House)
- Row 6 / Column 4 → 7 (Full House)
- Row 8 / Column 4 → 3 (Naked Single)
- Row 8 / Column 5 → 8 (Full House)
- Row 1 / Column 5 → 7 (Full House)
- Row 1 / Column 4 → 4 (Full House)
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