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

This Sudoku Puzzle has 23 steps and it is solved using Full House, Naked Single techniques.

Try To Solve This Puzzle

Solution Steps:

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