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

This Sudoku Puzzle has 31 steps and it is solved using Full House, Naked Single, Hidden Single techniques.

Try To Solve This Puzzle

Solution Steps:

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