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.

Naked Single Explanation
Hidden Single Explanation
Full House Explanation
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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