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

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

Naked Single Explanation
Full House Explanation
Try To Solve This Puzzle

Solution Steps:

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