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

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