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

This Sudoku Puzzle has 43 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 4 / Column 8 → 6 (Naked Single)
  2. Row 4 / Column 9 → 7 (Naked Single)
  3. Row 5 / Column 8 → 9 (Full House)
  4. Row 4 / Column 6 → 8 (Full House)
  5. Row 5 / Column 2 → 4 (Naked Single)
  6. Row 5 / Column 5 → 2 (Full House)
  7. Row 6 / Column 4 → 6 (Full House)
  8. Row 8 / Column 7 → 3 (Naked Single)
  9. Row 7 / Column 3 → 3 (Naked Single)
  10. Row 3 / Column 5 → 8 (Naked Single)
  11. Row 7 / Column 5 → 4 (Full House)
  12. Row 7 / Column 6 → 9 (Naked Single)
  13. Row 3 / Column 7 → 1 (Naked Single)
  14. Row 9 / Column 7 → 6 (Full House)
  15. Row 1 / Column 3 → 7 (Naked Single)
  16. Row 2 / Column 3 → 1 (Full House)
  17. Row 7 / Column 4 → 8 (Naked Single)
  18. Row 9 / Column 4 → 7 (Full House)
  19. Row 3 / Column 4 → 9 (Full House)
  20. Row 2 / Column 9 → 8 (Naked Single)
  21. Row 1 / Column 6 → 3 (Naked Single)
  22. Row 3 / Column 6 → 7 (Full House)
  23. Row 7 / Column 9 → 2 (Naked Single)
  24. Row 2 / Column 1 → 6 (Naked Single)
  25. Row 2 / Column 2 → 3 (Full House)
  26. Row 8 / Column 9 → 9 (Naked Single)
  27. Row 1 / Column 9 → 4 (Naked Single)
  28. Row 9 / Column 9 → 1 (Full House)
  29. Row 7 / Column 8 → 5 (Naked Single)
  30. Row 7 / Column 2 → 6 (Full House)
  31. Row 9 / Column 8 → 4 (Naked Single)
  32. Row 8 / Column 8 → 8 (Full House)
  33. Row 8 / Column 1 → 5 (Full House)
  34. Row 3 / Column 2 → 2 (Naked Single)
  35. Row 1 / Column 8 → 2 (Naked Single)
  36. Row 3 / Column 8 → 3 (Full House)
  37. Row 3 / Column 1 → 4 (Full House)
  38. Row 6 / Column 1 → 8 (Naked Single)
  39. Row 6 / Column 2 → 5 (Full House)
  40. Row 9 / Column 2 → 9 (Naked Single)
  41. Row 1 / Column 2 → 8 (Full House)
  42. Row 1 / Column 1 → 9 (Full House)
  43. Row 9 / Column 1 → 2 (Full House)
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