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

This Sudoku Puzzle has 30 steps and it is solved using Full House, Naked Single techniques.

Try To Solve This Puzzle

Solution Steps:

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