Solution for Evil Sudoku #2443879512693

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

This Sudoku Puzzle has 61 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Pair techniques.

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

Solution Steps:

  1. Row 4 / Column 6 → 2 (Naked Single)
  2. Row 4 / Column 5 → 1 (Naked Single)
  3. Row 6 / Column 6 → 4 (Naked Single)
  4. Row 6 / Column 4 → 7 (Full House)
  5. Row 4 / Column 9 → 5 (Hidden Single)
  6. Row 2 / Column 2 → 7 (Hidden Single)
  7. Row 8 / Column 2 → 5 (Hidden Single)
  8. Row 7 / Column 5 → 7 (Hidden Single)
  9. Row 1 / Column 9 → 7 (Hidden Single)
  10. Row 5 / Column 8 → 7 (Hidden Single)
  11. Row 9 / Column 2 → 2 (Hidden Single)
  12. Row 8 / Column 3 → 8 (Hidden Single)
  13. Row 6 / Column 8 → 3 (Hidden Single)
  14. Locked Candidates Type 1 (Pointing): 9 in b2 => r789c4<>9
  15. Locked Pair: 1,4 in r79c4 => r238c4,r8c5<>4, r8c4<>1
  16. Row 8 / Column 4 → 2 (Naked Single)
  17. Row 1 / Column 4 → 8 (Naked Single)
  18. Locked Candidates Type 1 (Pointing): 8 in b4 => r3c2<>8
  19. Locked Pair: 1,6 in r3c23 => r1c3,r3c189<>1, r1c3,r23c1,r3c589<>6
  20. Row 1 / Column 3 → 3 (Naked Single)
  21. Row 1 / Column 6 → 6 (Naked Single)
  22. Row 5 / Column 3 → 1 (Naked Single)
  23. Row 1 / Column 5 → 2 (Naked Single)
  24. Row 1 / Column 7 → 1 (Full House)
  25. Row 3 / Column 3 → 6 (Naked Single)
  26. Row 5 / Column 9 → 4 (Naked Single)
  27. Row 6 / Column 1 → 6 (Naked Single)
  28. Row 3 / Column 5 → 4 (Naked Single)
  29. Row 3 / Column 2 → 1 (Naked Single)
  30. Row 5 / Column 7 → 8 (Naked Single)
  31. Row 5 / Column 2 → 3 (Full House)
  32. Row 6 / Column 2 → 9 (Naked Single)
  33. Row 4 / Column 2 → 8 (Full House)
  34. Row 7 / Column 2 → 6 (Full House)
  35. Row 9 / Column 1 → 1 (Naked Single)
  36. Row 2 / Column 5 → 3 (Naked Single)
  37. Row 8 / Column 5 → 6 (Full House)
  38. Row 6 / Column 7 → 2 (Naked Single)
  39. Row 6 / Column 9 → 1 (Full House)
  40. Row 7 / Column 1 → 3 (Naked Single)
  41. Row 9 / Column 4 → 4 (Naked Single)
  42. Row 8 / Column 9 → 9 (Naked Single)
  43. Row 7 / Column 6 → 9 (Naked Single)
  44. Row 8 / Column 6 → 3 (Full House)
  45. Row 7 / Column 4 → 1 (Full House)
  46. Row 7 / Column 3 → 4 (Full House)
  47. Row 9 / Column 3 → 9 (Full House)
  48. Row 9 / Column 8 → 6 (Full House)
  49. Row 2 / Column 9 → 6 (Naked Single)
  50. Row 3 / Column 9 → 2 (Full House)
  51. Row 8 / Column 7 → 4 (Naked Single)
  52. Row 8 / Column 8 → 1 (Full House)
  53. Row 4 / Column 8 → 9 (Naked Single)
  54. Row 4 / Column 7 → 6 (Full House)
  55. Row 2 / Column 7 → 9 (Full House)
  56. Row 3 / Column 8 → 8 (Naked Single)
  57. Row 2 / Column 8 → 4 (Full House)
  58. Row 2 / Column 4 → 5 (Naked Single)
  59. Row 2 / Column 1 → 8 (Full House)
  60. Row 3 / Column 1 → 5 (Full House)
  61. Row 3 / Column 4 → 9 (Full House)
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