Solution for Hard Sudoku #1279215634811

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

This Sudoku Puzzle has 49 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 1 / Column 3 → 2 (Naked Single)
  2. Row 2 / Column 5 → 4 (Naked Single)
  3. Row 4 / Column 8 → 4 (Naked Single)
  4. Row 1 / Column 1 → 6 (Naked Single)
  5. Row 1 / Column 4 → 9 (Naked Single)
  6. Row 5 / Column 5 → 8 (Naked Single)
  7. Row 8 / Column 5 → 3 (Full House)
  8. Row 4 / Column 7 → 7 (Naked Single)
  9. Row 1 / Column 8 → 3 (Naked Single)
  10. Row 1 / Column 7 → 4 (Full House)
  11. Row 3 / Column 7 → 2 (Naked Single)
  12. Row 4 / Column 4 → 1 (Naked Single)
  13. Row 4 / Column 9 → 8 (Naked Single)
  14. Row 7 / Column 8 → 5 (Naked Single)
  15. Row 2 / Column 7 → 6 (Naked Single)
  16. Row 3 / Column 4 → 5 (Naked Single)
  17. Row 4 / Column 1 → 2 (Naked Single)
  18. Row 4 / Column 2 → 3 (Full House)
  19. Row 5 / Column 7 → 5 (Naked Single)
  20. Row 9 / Column 7 → 3 (Full House)
  21. Row 2 / Column 4 → 2 (Naked Single)
  22. Row 2 / Column 6 → 1 (Full House)
  23. Row 3 / Column 2 → 7 (Naked Single)
  24. Row 2 / Column 2 → 5 (Full House)
  25. Row 3 / Column 9 → 1 (Full House)
  26. Row 7 / Column 1 → 7 (Naked Single)
  27. Row 2 / Column 8 → 9 (Naked Single)
  28. Row 2 / Column 9 → 7 (Full House)
  29. Row 6 / Column 2 → 4 (Naked Single)
  30. Row 9 / Column 9 → 6 (Naked Single)
  31. Row 6 / Column 9 → 9 (Full House)
  32. Row 6 / Column 8 → 6 (Full House)
  33. Row 8 / Column 8 → 1 (Full House)
  34. Row 7 / Column 3 → 3 (Naked Single)
  35. Row 7 / Column 6 → 2 (Full House)
  36. Row 8 / Column 1 → 5 (Naked Single)
  37. Row 6 / Column 1 → 8 (Full House)
  38. Row 5 / Column 3 → 7 (Naked Single)
  39. Row 6 / Column 3 → 5 (Full House)
  40. Row 6 / Column 6 → 7 (Full House)
  41. Row 8 / Column 2 → 6 (Naked Single)
  42. Row 9 / Column 2 → 2 (Full House)
  43. Row 9 / Column 6 → 4 (Naked Single)
  44. Row 9 / Column 3 → 1 (Full House)
  45. Row 8 / Column 3 → 4 (Full House)
  46. Row 5 / Column 4 → 4 (Naked Single)
  47. Row 5 / Column 6 → 6 (Full House)
  48. Row 8 / Column 4 → 7 (Full House)
  49. Row 8 / Column 6 → 9 (Full House)
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