Solution for Hard Sudoku #2465923817474

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

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