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

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