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

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