Solution for Evil Sudoku #1137713524895

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

This Sudoku Puzzle has 64 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Single, Locked Candidates Type 2 (Claiming), Locked Pair, 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 6 / Column 2 → 7 (Hidden Single)
  3. Row 9 / Column 5 → 1 (Hidden Single)
  4. Row 1 / Column 5 → 7 (Hidden Single)
  5. Row 2 / Column 8 → 7 (Hidden Single)
  6. Row 9 / Column 7 → 4 (Hidden Single)
  7. Row 4 / Column 7 → 3 (Hidden Single)
  8. Row 8 / Column 9 → 3 (Hidden Single)
  9. Row 3 / Column 8 → 8 (Hidden Single)
  10. Row 5 / Column 7 → 5 (Hidden Single)
  11. Row 7 / Column 2 → 3 (Hidden Single)
  12. Row 9 / Column 9 → 5 (Hidden Single)
  13. Locked Candidates Type 1 (Pointing): 8 in b2 => r2c1<>8
  14. Locked Candidates Type 1 (Pointing): 1 in b4 => r1c3<>1
  15. Locked Candidates Type 1 (Pointing): 6 in b9 => r4c8<>6
  16. Row 4 / Column 8 → 9 (Naked Single)
  17. Locked Candidates Type 1 (Pointing): 9 in b5 => r6c3<>9
  18. Locked Candidates Type 2 (Claiming): 9 in r9 => r7c13,r8c23<>9
  19. Locked Candidates Type 2 (Claiming): 9 in r7 => r8c456<>9
  20. Locked Candidates Type 2 (Claiming): 9 in c2 => r1c13,r2c1<>9
  21. Locked Candidates Type 2 (Claiming): 9 in c7 => r13c9<>9
  22. Locked Pair: 2,6 in r13c9 => r123c7,r56c9<>6, r123c7,r6c9<>2
  23. Row 5 / Column 9 → 8 (Naked Single)
  24. Row 6 / Column 9 → 8 (Naked Single)
  25. Row 3 / Column 7 → 9 (Naked Single)
  26. Row 1 / Column 7 → 1 (Naked Single)
  27. Row 2 / Column 7 → 1 (Naked Single)
  28. Row 6 / Column 7 → 2 (Hidden Single)
  29. Row 1 / Column 1 → 8 (Hidden Single)
  30. Row 1 / Column 2 → 9 (Hidden Single)
  31. Row 1 / Column 3 → 4 (Hidden Single)
  32. Row 7 / Column 1 → 4 (Hidden Single)
  33. Row 1 / Column 9 → 2 (Hidden Single)
  34. Row 3 / Column 9 → 6 (Naked Single)
  35. Row 3 / Column 2 → 5 (Naked Single)
  36. Row 2 / Column 2 → 6 (Full House)
  37. Row 8 / Column 2 → 6 (Full House)
  38. Row 2 / Column 1 → 2 (Full House)
  39. Row 8 / Column 8 → 2 (Naked Single)
  40. Row 7 / Column 8 → 6 (Full House)
  41. Row 9 / Column 8 → 6 (Full House)
  42. Row 2 / Column 5 → 9 (Naked Single)
  43. Row 9 / Column 1 → 9 (Naked Single)
  44. Row 8 / Column 3 → 5 (Naked Single)
  45. Row 8 / Column 5 → 4 (Naked Single)
  46. Row 7 / Column 5 → 2 (Full House)
  47. Row 3 / Column 5 → 2 (Full House)
  48. Row 5 / Column 1 → 6 (Naked Single)
  49. Row 4 / Column 1 → 5 (Full House)
  50. Row 5 / Column 3 → 9 (Full House)
  51. Row 4 / Column 3 → 1 (Full House)
  52. Row 6 / Column 3 → 1 (Full House)
  53. Row 9 / Column 3 → 2 (Naked Single)
  54. Row 7 / Column 3 → 2 (Naked Single)
  55. Row 8 / Column 4 → 8 (Naked Single)
  56. Row 8 / Column 6 → 8 (Naked Single)
  57. Row 3 / Column 6 → 4 (Naked Single)
  58. Row 2 / Column 4 → 5 (Naked Single)
  59. Row 2 / Column 6 → 5 (Naked Single)
  60. Row 4 / Column 6 → 6 (Naked Single)
  61. Row 4 / Column 4 → 4 (Full House)
  62. Row 7 / Column 4 → 9 (Full House)
  63. Row 6 / Column 4 → 9 (Full House)
  64. Row 6 / Column 6 → 9 (Full House)
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