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

This Sudoku Puzzle has 27 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 3 / Column 9 → 9 (Full House)
  2. Row 4 / Column 4 → 2 (Full House)
  3. Row 4 / Column 5 → 6 (Full House)
  4. Row 2 / Column 3 → 5 (Full House)
  5. Row 5 / Column 5 → 5 (Full House)
  6. Row 1 / Column 1 → 2 (Full House)
  7. Row 2 / Column 7 → 2 (Naked Single)
  8. Row 7 / Column 7 → 9 (Naked Single)
  9. Row 8 / Column 7 → 7 (Full House)
  10. Row 7 / Column 1 → 5 (Full House)
  11. Row 5 / Column 9 → 7 (Naked Single)
  12. Row 5 / Column 8 → 9 (Full House)
  13. Row 2 / Column 8 → 4 (Naked Single)
  14. Row 2 / Column 9 → 6 (Full House)
  15. Row 5 / Column 1 → 6 (Naked Single)
  16. Row 5 / Column 2 → 2 (Full House)
  17. Row 8 / Column 6 → 6 (Naked Single)
  18. Row 9 / Column 6 → 7 (Full House)
  19. Row 9 / Column 9 → 4 (Naked Single)
  20. Row 1 / Column 9 → 5 (Full House)
  21. Row 1 / Column 8 → 7 (Full House)
  22. Row 9 / Column 8 → 3 (Naked Single)
  23. Row 8 / Column 8 → 5 (Full House)
  24. Row 8 / Column 1 → 3 (Naked Single)
  25. Row 8 / Column 2 → 4 (Full House)
  26. Row 9 / Column 2 → 6 (Full House)
  27. Row 9 / Column 1 → 9 (Full House)
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