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

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