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

This Sudoku Puzzle has 25 steps and it is solved using Full House, Naked Single, Hidden Single techniques.

Try To Solve This Puzzle

Solution Steps:

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