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

This Sudoku Puzzle has 24 steps and it is solved using Naked Single, Full House techniques.

Naked Single Explanation
Full House Explanation
Try To Solve This Puzzle

Solution Steps:

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