Solution for Evil Sudoku #1338713524895

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

This Sudoku Puzzle has 56 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Single, Full House techniques.

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

Solution Steps:

  1. Row 1 / Column 5 → 1 (Hidden Single)
  2. Row 4 / Column 7 → 8 (Hidden Single)
  3. Row 7 / Column 2 → 8 (Hidden Single)
  4. Row 1 / Column 3 → 4 (Hidden Single)
  5. Row 5 / Column 5 → 3 (Hidden Single)
  6. Row 8 / Column 6 → 8 (Hidden Single)
  7. Row 9 / Column 9 → 8 (Hidden Single)
  8. Row 2 / Column 1 → 3 (Hidden Single)
  9. Row 6 / Column 3 → 3 (Hidden Single)
  10. Row 3 / Column 9 → 4 (Hidden Single)
  11. Row 9 / Column 7 → 4 (Hidden Single)
  12. Row 3 / Column 8 → 3 (Hidden Single)
  13. Row 1 / Column 1 → 5 (Hidden Single)
  14. Row 5 / Column 3 → 5 (Hidden Single)
  15. Row 6 / Column 9 → 7 (Hidden Single)
  16. Row 6 / Column 7 → 1 (Hidden Single)
  17. Row 8 / Column 9 → 2 (Hidden Single)
  18. Row 4 / Column 8 → 7 (Hidden Single)
  19. Row 8 / Column 2 → 7 (Hidden Single)
  20. Row 4 / Column 4 → 1 (Hidden Single)
  21. Row 9 / Column 5 → 7 (Hidden Single)
  22. Locked Candidates Type 1 (Pointing): 6 in b1 => r6c2<>6
  23. Row 6 / Column 2 → 9 (Naked Single)
  24. Row 5 / Column 1 → 6 (Naked Single)
  25. Row 4 / Column 1 → 2 (Full House)
  26. Row 4 / Column 3 → 2 (Full House)
  27. Row 5 / Column 7 → 9 (Full House)
  28. Row 5 / Column 9 → 9 (Full House)
  29. Row 7 / Column 1 → 9 (Full House)
  30. Row 9 / Column 1 → 9 (Full House)
  31. Row 1 / Column 9 → 6 (Naked Single)
  32. Row 1 / Column 2 → 2 (Full House)
  33. Row 1 / Column 7 → 2 (Full House)
  34. Row 2 / Column 2 → 6 (Full House)
  35. Row 3 / Column 2 → 6 (Full House)
  36. Row 7 / Column 3 → 6 (Naked Single)
  37. Row 2 / Column 7 → 5 (Naked Single)
  38. Row 3 / Column 7 → 5 (Naked Single)
  39. Row 7 / Column 8 → 5 (Naked Single)
  40. Row 8 / Column 3 → 1 (Naked Single)
  41. Row 9 / Column 3 → 1 (Naked Single)
  42. Row 2 / Column 8 → 9 (Naked Single)
  43. Row 9 / Column 8 → 6 (Full House)
  44. Row 8 / Column 8 → 6 (Full House)
  45. Row 3 / Column 6 → 9 (Naked Single)
  46. Row 2 / Column 6 → 4 (Naked Single)
  47. Row 3 / Column 5 → 2 (Full House)
  48. Row 4 / Column 6 → 6 (Full House)
  49. Row 2 / Column 4 → 2 (Full House)
  50. Row 2 / Column 5 → 2 (Full House)
  51. Row 6 / Column 6 → 6 (Full House)
  52. Row 7 / Column 5 → 4 (Full House)
  53. Row 7 / Column 4 → 4 (Full House)
  54. Row 8 / Column 5 → 9 (Naked Single)
  55. Row 6 / Column 4 → 4 (Naked Single)
  56. Row 8 / Column 4 → 5 (Naked Single)
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