9
8
6
3
4
2
5
1
7
2
4
3
7
5
1
6
9
8
7
5
1
9
8
6
2
3
4
2
7
8
6
5
4
1
3
9
9
1
4
3
2
7
5
8
6
5
6
3
8
1
9
4
2
7
8
9
3
4
6
1
8
6
5
1
7
5
8
3
2
4
3
9
6
4
2
1
9
5
1
7
2

This Sudoku Puzzle has 15 steps and it is solved using Full House, Naked Single techniques.

Naked Single Explanation
Full House Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Row 7 / Column 1 → 8 (Full House)
  2. Row 9 / Column 9 → 2 (Full House)
  3. Row 7 / Column 9 → 2 (Full House)
  4. Row 7 / Column 3 → 3 (Naked Single)
  5. Row 8 / Column 4 → 8 (Naked Single)
  6. Row 9 / Column 4 → 4 (Full House)
  7. Row 8 / Column 2 → 6 (Naked Single)
  8. Row 9 / Column 5 → 3 (Full House)
  9. Row 8 / Column 5 → 3 (Full House)
  10. Row 7 / Column 2 → 9 (Naked Single)
  11. Row 7 / Column 7 → 6 (Naked Single)
  12. Row 9 / Column 7 → 1 (Full House)
  13. Row 8 / Column 7 → 1 (Full House)
  14. Row 9 / Column 3 → 5 (Full House)
  15. Row 8 / Column 3 → 1 (Full House)
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