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

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