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

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

Try To Solve This Puzzle

Solution Steps:

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