Solution for Evil Sudoku #2325941738643

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

This Sudoku Puzzle has 60 steps and it is solved using Naked Single, Hidden Single, Full House, Locked Candidates Type 1 (Pointing), undefined, Naked Pair, Empty Rectangle techniques.

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

Solution Steps:

  1. Row 2 / Column 6 → 1 (Naked Single)
  2. Row 3 / Column 6 → 3 (Naked Single)
  3. Row 4 / Column 1 → 4 (Hidden Single)
  4. Row 6 / Column 9 → 4 (Hidden Single)
  5. Row 5 / Column 8 → 3 (Hidden Single)
  6. Row 8 / Column 8 → 1 (Hidden Single)
  7. Row 5 / Column 4 → 6 (Hidden Single)
  8. Row 7 / Column 4 → 2 (Hidden Single)
  9. Row 6 / Column 4 → 5 (Naked Single)
  10. Row 2 / Column 4 → 7 (Naked Single)
  11. Row 8 / Column 4 → 9 (Full House)
  12. Row 6 / Column 5 → 1 (Naked Single)
  13. Row 6 / Column 3 → 2 (Full House)
  14. Row 8 / Column 6 → 4 (Hidden Single)
  15. Row 1 / Column 7 → 1 (Hidden Single)
  16. Row 5 / Column 3 → 1 (Hidden Single)
  17. Row 7 / Column 7 → 4 (Hidden Single)
  18. Row 4 / Column 5 → 9 (Hidden Single)
  19. Row 9 / Column 2 → 4 (Hidden Single)
  20. Row 3 / Column 7 → 7 (Hidden Single)
  21. Row 9 / Column 3 → 3 (Hidden Single)
  22. Row 1 / Column 2 → 3 (Hidden Single)
  23. Row 2 / Column 2 → 2 (Hidden Single)
  24. Locked Candidates Type 1 (Pointing): 9 in b9 => r9c1<>9
  25. X-Wing: 5 r38 c39 => r1c39,r59c9<>5
  26. Row 5 / Column 7 → 5 (Hidden Single)
  27. X-Wing: 6 r38 c29 => r1c9<>6
  28. Naked Pair: 2,8 in r15c9 => r89c9<>8, r9c9<>2
  29. Row 9 / Column 9 → 9 (Naked Single)
  30. Row 2 / Column 7 → 9 (Hidden Single)
  31. Empty Rectangle: 8 in b9 (r2c18) => r9c1<>8
  32. XY-Wing: 6/7/5 in r8c29,r9c1 => r8c3,r9c8<>5
  33. Row 8 / Column 9 → 5 (Hidden Single)
  34. Row 3 / Column 9 → 6 (Naked Single)
  35. Row 3 / Column 2 → 9 (Naked Single)
  36. Row 3 / Column 3 → 5 (Full House)
  37. Row 5 / Column 2 → 7 (Naked Single)
  38. Row 5 / Column 1 → 9 (Full House)
  39. Row 8 / Column 2 → 6 (Full House)
  40. Row 7 / Column 1 → 8 (Naked Single)
  41. Row 2 / Column 1 → 6 (Naked Single)
  42. Row 7 / Column 3 → 9 (Naked Single)
  43. Row 7 / Column 8 → 6 (Full House)
  44. Row 8 / Column 3 → 7 (Naked Single)
  45. Row 1 / Column 3 → 8 (Full House)
  46. Row 1 / Column 1 → 7 (Full House)
  47. Row 8 / Column 5 → 8 (Full House)
  48. Row 9 / Column 1 → 5 (Full House)
  49. Row 9 / Column 5 → 7 (Full House)
  50. Row 2 / Column 5 → 5 (Naked Single)
  51. Row 1 / Column 5 → 6 (Full House)
  52. Row 2 / Column 8 → 8 (Full House)
  53. Row 1 / Column 9 → 2 (Naked Single)
  54. Row 1 / Column 8 → 5 (Full House)
  55. Row 9 / Column 8 → 2 (Full House)
  56. Row 5 / Column 9 → 8 (Full House)
  57. Row 9 / Column 7 → 8 (Full House)
  58. Row 4 / Column 7 → 2 (Full House)
  59. Row 5 / Column 6 → 2 (Full House)
  60. Row 4 / Column 6 → 8 (Full House)
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