Solution for Hard Sudoku #148713524895

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

This Sudoku Puzzle has 55 steps and it is solved using Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming) techniques.

Naked Single Explanation
Hidden Single Explanation
Locked Candidates Explanation
Locked Candidates Explanation
Full House Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Row 3 / Column 5 → 7 (Hidden Single)
  2. Row 1 / Column 1 → 9 (Hidden Single)
  3. Row 1 / Column 6 → 8 (Hidden Single)
  4. Row 7 / Column 5 → 2 (Hidden Single)
  5. Row 1 / Column 5 → 6 (Naked Single)
  6. Row 9 / Column 5 → 4 (Full House)
  7. Row 1 / Column 7 → 2 (Naked Single)
  8. Row 1 / Column 2 → 5 (Full House)
  9. Row 3 / Column 2 → 4 (Hidden Single)
  10. Row 2 / Column 6 → 4 (Hidden Single)
  11. Row 3 / Column 4 → 2 (Hidden Single)
  12. Row 2 / Column 4 → 5 (Full House)
  13. Row 2 / Column 3 → 2 (Hidden Single)
  14. Row 2 / Column 1 → 1 (Hidden Single)
  15. Locked Candidates Type 1 (Pointing): 6 in b5 => r5c123789<>6
  16. Locked Candidates Type 1 (Pointing): 9 in b5 => r5c789<>9
  17. Row 3 / Column 7 → 9 (Hidden Single)
  18. Locked Candidates Type 2 (Claiming): 6 in r2 => r3c89<>6
  19. Row 3 / Column 8 → 5 (Full House)
  20. Row 3 / Column 9 → 5 (Full House)
  21. Row 6 / Column 1 → 5 (Hidden Single)
  22. Row 4 / Column 3 → 6 (Naked Single)
  23. Row 4 / Column 1 → 8 (Naked Single)
  24. Row 4 / Column 2 → 2 (Naked Single)
  25. Row 4 / Column 8 → 9 (Full House)
  26. Row 4 / Column 9 → 9 (Full House)
  27. Row 6 / Column 2 → 3 (Naked Single)
  28. Row 9 / Column 3 → 1 (Naked Single)
  29. Row 9 / Column 8 → 6 (Naked Single)
  30. Row 5 / Column 2 → 1 (Naked Single)
  31. Row 7 / Column 2 → 6 (Full House)
  32. Row 5 / Column 3 → 4 (Naked Single)
  33. Row 5 / Column 1 → 7 (Full House)
  34. Row 7 / Column 1 → 4 (Full House)
  35. Row 8 / Column 1 → 4 (Full House)
  36. Row 9 / Column 9 → 6 (Naked Single)
  37. Row 6 / Column 8 → 4 (Naked Single)
  38. Row 9 / Column 4 → 9 (Naked Single)
  39. Row 5 / Column 7 → 3 (Naked Single)
  40. Row 7 / Column 8 → 3 (Naked Single)
  41. Row 7 / Column 6 → 5 (Full House)
  42. Row 5 / Column 8 → 8 (Full House)
  43. Row 7 / Column 3 → 5 (Full House)
  44. Row 2 / Column 9 → 3 (Naked Single)
  45. Row 2 / Column 7 → 6 (Full House)
  46. Row 6 / Column 9 → 7 (Full House)
  47. Row 8 / Column 7 → 7 (Full House)
  48. Row 6 / Column 7 → 7 (Full House)
  49. Row 5 / Column 4 → 6 (Naked Single)
  50. Row 5 / Column 6 → 9 (Full House)
  51. Row 5 / Column 9 → 2 (Full House)
  52. Row 8 / Column 6 → 6 (Full House)
  53. Row 8 / Column 4 → 1 (Full House)
  54. Row 8 / Column 3 → 3 (Naked Single)
  55. Row 8 / Column 9 → 1 (Naked Single)
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