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

This Sudoku Puzzle has 28 steps and it is solved using Naked Single, Full House techniques.

Naked Single Explanation
Full House Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Row 6 / Column 5 → 7 (Naked Single)
  2. Row 6 / Column 7 → 7 (Naked Single)
  3. Row 6 / Column 9 → 6 (Naked Single)
  4. Row 1 / Column 9 → 3 (Naked Single)
  5. Row 1 / Column 8 → 6 (Full House)
  6. Row 4 / Column 9 → 4 (Naked Single)
  7. Row 5 / Column 9 → 2 (Naked Single)
  8. Row 8 / Column 9 → 9 (Full House)
  9. Row 9 / Column 9 → 9 (Full House)
  10. Row 8 / Column 3 → 3 (Naked Single)
  11. Row 7 / Column 3 → 9 (Full House)
  12. Row 7 / Column 6 → 3 (Naked Single)
  13. Row 5 / Column 6 → 4 (Full House)
  14. Row 9 / Column 6 → 4 (Full House)
  15. Row 7 / Column 4 → 5 (Naked Single)
  16. Row 7 / Column 5 → 2 (Full House)
  17. Row 9 / Column 4 → 4 (Naked Single)
  18. Row 4 / Column 4 → 3 (Naked Single)
  19. Row 4 / Column 7 → 5 (Full House)
  20. Row 4 / Column 8 → 5 (Full House)
  21. Row 5 / Column 4 → 3 (Naked Single)
  22. Row 8 / Column 5 → 8 (Naked Single)
  23. Row 8 / Column 8 → 8 (Naked Single)
  24. Row 5 / Column 7 → 8 (Naked Single)
  25. Row 5 / Column 8 → 8 (Naked Single)
  26. Row 8 / Column 7 → 4 (Naked Single)
  27. Row 9 / Column 7 → 3 (Naked Single)
  28. Row 9 / Column 8 → 2 (Naked Single)
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