Solution for Evil Sudoku #1443713524895

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

This Sudoku Puzzle has 60 steps and it is solved using Hidden Single, Locked Pair, Naked Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Full House techniques.

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

Solution Steps:

  1. Row 5 / Column 5 → 3 (Hidden Single)
  2. Row 7 / Column 7 → 4 (Hidden Single)
  3. Row 8 / Column 8 → 3 (Hidden Single)
  4. Row 5 / Column 9 → 1 (Hidden Single)
  5. Locked Pair: 6,9 in r6c46 => r4c46,r6c278<>6, r4c46,r6c278<>9
  6. Row 6 / Column 7 → 5 (Naked Single)
  7. Row 4 / Column 4 → 1 (Naked Single)
  8. Row 4 / Column 6 → 1 (Naked Single)
  9. Row 6 / Column 2 → 8 (Naked Single)
  10. Row 6 / Column 8 → 8 (Naked Single)
  11. Row 7 / Column 1 → 1 (Hidden Single)
  12. Row 2 / Column 3 → 8 (Hidden Single)
  13. Row 3 / Column 2 → 1 (Hidden Single)
  14. Row 9 / Column 1 → 8 (Hidden Single)
  15. Row 2 / Column 9 → 3 (Hidden Single)
  16. Row 3 / Column 3 → 3 (Hidden Single)
  17. Row 9 / Column 2 → 2 (Hidden Single)
  18. Locked Candidates Type 1 (Pointing): 6 in b7 => r8c67<>6
  19. Locked Candidates Type 1 (Pointing): 9 in b7 => r8c67<>9
  20. Row 8 / Column 6 → 7 (Naked Single)
  21. Row 8 / Column 7 → 7 (Naked Single)
  22. Row 1 / Column 1 → 7 (Hidden Single)
  23. Row 2 / Column 4 → 7 (Hidden Single)
  24. Row 5 / Column 2 → 7 (Hidden Single)
  25. Locked Candidates Type 2 (Claiming): 2 in r2 => r1c89,r3c9<>2
  26. Row 7 / Column 9 → 2 (Hidden Single)
  27. Naked Triple: 5,6,9 in r1c89,r3c9 => r2c78<>6, r2c78<>9
  28. Row 2 / Column 7 → 2 (Naked Single)
  29. Row 2 / Column 8 → 2 (Naked Single)
  30. Row 2 / Column 2 → 6 (Hidden Single)
  31. Row 4 / Column 3 → 2 (Hidden Single)
  32. Row 1 / Column 3 → 9 (Naked Single)
  33. Row 3 / Column 1 → 2 (Full House)
  34. Row 5 / Column 3 → 6 (Naked Single)
  35. Row 5 / Column 1 → 9 (Full House)
  36. Row 5 / Column 7 → 9 (Full House)
  37. Row 5 / Column 8 → 9 (Full House)
  38. Row 8 / Column 3 → 5 (Full House)
  39. Row 4 / Column 2 → 5 (Full House)
  40. Row 8 / Column 1 → 6 (Full House)
  41. Row 8 / Column 2 → 9 (Full House)
  42. Row 4 / Column 8 → 6 (Naked Single)
  43. Row 9 / Column 7 → 6 (Naked Single)
  44. Row 1 / Column 8 → 5 (Naked Single)
  45. Row 7 / Column 8 → 5 (Naked Single)
  46. Row 1 / Column 9 → 6 (Naked Single)
  47. Row 9 / Column 9 → 9 (Full House)
  48. Row 3 / Column 9 → 9 (Full House)
  49. Row 9 / Column 4 → 5 (Full House)
  50. Row 9 / Column 5 → 5 (Full House)
  51. Row 1 / Column 5 → 8 (Naked Single)
  52. Row 1 / Column 6 → 2 (Full House)
  53. Row 3 / Column 6 → 6 (Full House)
  54. Row 3 / Column 4 → 6 (Full House)
  55. Row 3 / Column 5 → 6 (Full House)
  56. Row 6 / Column 6 → 9 (Naked Single)
  57. Row 6 / Column 4 → 9 (Naked Single)
  58. Row 7 / Column 4 → 9 (Naked Single)
  59. Row 7 / Column 5 → 9 (Naked Single)
  60. Row 7 / Column 6 → 8 (Naked Single)
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