Solution for Evil Sudoku #1127713524895

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

This Sudoku Puzzle has 59 steps and it is solved using Hidden Single, Locked Candidates Type 2 (Claiming), Naked Triple, Naked Single, Locked Candidates Type 1 (Pointing), Full House, Locked Triple 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 6 / Column 2 → 7 (Hidden Single)
  2. Row 9 / Column 5 → 1 (Hidden Single)
  3. Row 1 / Column 5 → 7 (Hidden Single)
  4. Row 2 / Column 8 → 7 (Hidden Single)
  5. Row 9 / Column 7 → 4 (Hidden Single)
  6. Row 2 / Column 7 → 2 (Hidden Single)
  7. Row 3 / Column 8 → 8 (Hidden Single)
  8. Row 6 / Column 9 → 2 (Hidden Single)
  9. Row 2 / Column 2 → 1 (Hidden Single)
  10. Row 1 / Column 7 → 1 (Hidden Single)
  11. Row 6 / Column 3 → 8 (Hidden Single)
  12. Row 5 / Column 9 → 8 (Hidden Single)
  13. Row 1 / Column 1 → 8 (Hidden Single)
  14. Row 6 / Column 6 → 1 (Hidden Single)
  15. Row 4 / Column 3 → 1 (Hidden Single)
  16. Row 1 / Column 3 → 4 (Hidden Single)
  17. Row 7 / Column 1 → 4 (Hidden Single)
  18. Locked Candidates Type 2 (Claiming): 3 in r9 => r78c8,r8c9<>3
  19. Naked Triple: 5,6,9 in r245c1 => r9c1<>5, r9c1<>6, r9c1<>9
  20. Row 9 / Column 1 → 9 (Naked Single)
  21. Row 5 / Column 3 → 9 (Hidden Single)
  22. Locked Candidates Type 1 (Pointing): 5 in b4 => r2c1<>5
  23. Row 2 / Column 1 → 6 (Naked Single)
  24. Row 4 / Column 1 → 5 (Full House)
  25. Row 5 / Column 1 → 5 (Full House)
  26. Row 1 / Column 2 → 9 (Naked Single)
  27. Row 1 / Column 9 → 6 (Full House)
  28. Row 3 / Column 2 → 5 (Full House)
  29. Row 2 / Column 5 → 9 (Naked Single)
  30. Locked Triple: 3,6,9 in r456c7 => r3c7,r4c8<>3, r3c7,r4c8<>9, r4c8<>6
  31. Row 3 / Column 7 → 9 (Naked Single)
  32. Row 4 / Column 8 → 9 (Naked Single)
  33. Row 3 / Column 9 → 3 (Naked Single)
  34. Row 6 / Column 7 → 6 (Naked Single)
  35. Row 6 / Column 4 → 9 (Full House)
  36. Row 9 / Column 9 → 5 (Naked Single)
  37. Row 8 / Column 9 → 9 (Full House)
  38. Row 4 / Column 7 → 3 (Naked Single)
  39. Row 5 / Column 7 → 3 (Naked Single)
  40. Row 9 / Column 3 → 6 (Naked Single)
  41. Row 7 / Column 2 → 3 (Full House)
  42. Row 8 / Column 2 → 3 (Full House)
  43. Row 5 / Column 5 → 6 (Naked Single)
  44. Row 4 / Column 4 → 4 (Full House)
  45. Row 4 / Column 6 → 4 (Full House)
  46. Row 9 / Column 8 → 3 (Naked Single)
  47. Row 7 / Column 5 → 6 (Naked Single)
  48. Row 3 / Column 5 → 4 (Naked Single)
  49. Row 8 / Column 5 → 4 (Naked Single)
  50. Row 3 / Column 6 → 6 (Naked Single)
  51. Row 7 / Column 4 → 5 (Naked Single)
  52. Row 2 / Column 4 → 8 (Full House)
  53. Row 8 / Column 4 → 8 (Full House)
  54. Row 2 / Column 6 → 5 (Full House)
  55. Row 7 / Column 8 → 2 (Naked Single)
  56. Row 8 / Column 8 → 6 (Full House)
  57. Row 7 / Column 3 → 2 (Naked Single)
  58. Row 8 / Column 6 → 8 (Naked Single)
  59. Row 8 / Column 3 → 5 (Naked Single)
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