Solution for Evil Sudoku #1185371492675

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

This Sudoku Puzzle has 62 steps and it is solved using Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Full House, Naked Pair techniques.

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Solution Steps:

  1. Row 4 / Column 9 → 1 (Naked Single)
  2. Row 4 / Column 8 → 8 (Naked Single)
  3. Row 4 / Column 3 → 6 (Naked Single)
  4. Row 5 / Column 3 → 8 (Naked Single)
  5. Row 5 / Column 1 → 3 (Hidden Single)
  6. Row 5 / Column 4 → 1 (Naked Single)
  7. Row 6 / Column 4 → 8 (Naked Single)
  8. Row 6 / Column 6 → 5 (Naked Single)
  9. Row 5 / Column 6 → 6 (Naked Single)
  10. Row 6 / Column 7 → 9 (Naked Single)
  11. Locked Candidates Type 1 (Pointing): 7 in b1 => r2c4789<>7
  12. Row 1 / Column 4 → 7 (Hidden Single)
  13. Locked Candidates Type 1 (Pointing): 8 in b1 => r89c2<>8
  14. Locked Candidates Type 1 (Pointing): 3 in b9 => r8c256<>3
  15. Locked Candidates Type 1 (Pointing): 6 in b9 => r12c8<>6
  16. Row 1 / Column 8 → 2 (Naked Single)
  17. Row 7 / Column 8 → 6 (Naked Single)
  18. Row 9 / Column 8 → 7 (Naked Single)
  19. Row 8 / Column 7 → 3 (Naked Single)
  20. Row 8 / Column 9 → 2 (Full House)
  21. Row 2 / Column 7 → 6 (Naked Single)
  22. Row 9 / Column 2 → 6 (Hidden Single)
  23. Row 1 / Column 5 → 6 (Hidden Single)
  24. Row 7 / Column 2 → 3 (Hidden Single)
  25. Naked Pair: 1,2 in r67c1 => r29c1<>2, r8c1<>1
  26. Naked Pair: 3,4 in r14c6 => r389c6<>4, r9c6<>3
  27. Row 9 / Column 6 → 2 (Naked Single)
  28. Row 7 / Column 4 → 9 (Naked Single)
  29. Row 9 / Column 3 → 5 (Naked Single)
  30. Row 8 / Column 6 → 1 (Naked Single)
  31. Row 7 / Column 3 → 2 (Naked Single)
  32. Row 3 / Column 6 → 9 (Naked Single)
  33. Row 7 / Column 5 → 5 (Naked Single)
  34. Row 7 / Column 1 → 1 (Full House)
  35. Row 8 / Column 2 → 4 (Naked Single)
  36. Row 2 / Column 3 → 7 (Naked Single)
  37. Row 8 / Column 3 → 9 (Full House)
  38. Row 3 / Column 8 → 1 (Naked Single)
  39. Row 2 / Column 8 → 9 (Full House)
  40. Row 6 / Column 1 → 2 (Naked Single)
  41. Row 6 / Column 2 → 1 (Full House)
  42. Row 1 / Column 2 → 8 (Naked Single)
  43. Row 3 / Column 2 → 2 (Full House)
  44. Row 2 / Column 1 → 4 (Full House)
  45. Row 8 / Column 5 → 8 (Naked Single)
  46. Row 8 / Column 1 → 7 (Full House)
  47. Row 9 / Column 1 → 8 (Full House)
  48. Row 3 / Column 5 → 4 (Naked Single)
  49. Row 1 / Column 7 → 5 (Naked Single)
  50. Row 2 / Column 9 → 3 (Naked Single)
  51. Row 1 / Column 6 → 3 (Naked Single)
  52. Row 1 / Column 9 → 4 (Full House)
  53. Row 4 / Column 6 → 4 (Full House)
  54. Row 4 / Column 4 → 3 (Full House)
  55. Row 3 / Column 9 → 7 (Naked Single)
  56. Row 3 / Column 7 → 8 (Full House)
  57. Row 5 / Column 7 → 7 (Full House)
  58. Row 5 / Column 9 → 5 (Full House)
  59. Row 9 / Column 5 → 3 (Naked Single)
  60. Row 2 / Column 5 → 1 (Full House)
  61. Row 2 / Column 4 → 2 (Full House)
  62. Row 9 / Column 4 → 4 (Full House)
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