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

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