Solution for Evil Sudoku #1185173264993

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

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

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Solution Steps:

  1. Row 4 / Column 6 → 4 (Naked Single)
  2. Row 4 / Column 4 → 8 (Naked Single)
  3. Row 5 / Column 6 → 6 (Naked Single)
  4. Row 6 / Column 4 → 7 (Full House)
  5. Row 1 / Column 6 → 2 (Hidden Single)
  6. Row 5 / Column 3 → 7 (Hidden Single)
  7. Row 8 / Column 8 → 7 (Hidden Single)
  8. Row 1 / Column 9 → 7 (Hidden Single)
  9. Row 8 / Column 2 → 2 (Hidden Single)
  10. Row 2 / Column 5 → 7 (Hidden Single)
  11. Row 7 / Column 2 → 1 (Hidden Single)
  12. Row 8 / Column 1 → 4 (Hidden Single)
  13. Row 2 / Column 4 → 5 (Hidden Single)
  14. Locked Candidates Type 1 (Pointing): 3 in b6 => r6c123<>3
  15. Locked Pair: 6,8 in r6c13 => r6c2<>6, r56c2,r6c78<>8
  16. Row 6 / Column 2 → 4 (Naked Single)
  17. Row 6 / Column 9 → 1 (Naked Single)
  18. Locked Candidates Type 1 (Pointing): 5 in b7 => r4c3<>5
  19. Locked Candidates Type 1 (Pointing): 1 in b8 => r8c7<>1
  20. Locked Pair: 6,9 in r78c7 => r129c7,r7c9<>6, r1259c7,r7c9,r9c8<>9
  21. Row 7 / Column 9 → 5 (Naked Single)
  22. Row 4 / Column 9 → 9 (Naked Single)
  23. Row 7 / Column 5 → 6 (Naked Single)
  24. Row 4 / Column 3 → 3 (Naked Single)
  25. Row 4 / Column 2 → 5 (Full House)
  26. Row 5 / Column 9 → 4 (Naked Single)
  27. Row 3 / Column 9 → 6 (Full House)
  28. Row 1 / Column 5 → 8 (Naked Single)
  29. Row 7 / Column 7 → 9 (Naked Single)
  30. Row 9 / Column 4 → 9 (Naked Single)
  31. Row 5 / Column 2 → 9 (Naked Single)
  32. Row 5 / Column 7 → 8 (Naked Single)
  33. Row 5 / Column 8 → 5 (Full House)
  34. Row 3 / Column 5 → 1 (Naked Single)
  35. Row 8 / Column 5 → 5 (Full House)
  36. Row 7 / Column 3 → 8 (Naked Single)
  37. Row 7 / Column 1 → 3 (Full House)
  38. Row 8 / Column 7 → 6 (Naked Single)
  39. Row 8 / Column 4 → 3 (Naked Single)
  40. Row 8 / Column 6 → 1 (Full House)
  41. Row 8 / Column 3 → 9 (Full House)
  42. Row 9 / Column 1 → 6 (Naked Single)
  43. Row 9 / Column 3 → 5 (Full House)
  44. Row 6 / Column 3 → 6 (Full House)
  45. Row 6 / Column 1 → 8 (Full House)
  46. Row 2 / Column 1 → 9 (Full House)
  47. Row 3 / Column 4 → 4 (Naked Single)
  48. Row 1 / Column 4 → 6 (Full House)
  49. Row 2 / Column 6 → 3 (Naked Single)
  50. Row 3 / Column 6 → 9 (Full House)
  51. Row 1 / Column 2 → 3 (Naked Single)
  52. Row 2 / Column 7 → 1 (Naked Single)
  53. Row 1 / Column 7 → 4 (Naked Single)
  54. Row 1 / Column 8 → 9 (Full House)
  55. Row 3 / Column 2 → 8 (Naked Single)
  56. Row 2 / Column 2 → 6 (Full House)
  57. Row 2 / Column 8 → 8 (Full House)
  58. Row 3 / Column 8 → 3 (Full House)
  59. Row 9 / Column 7 → 2 (Naked Single)
  60. Row 6 / Column 7 → 3 (Full House)
  61. Row 6 / Column 8 → 2 (Full House)
  62. Row 9 / Column 8 → 1 (Full House)
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