Solution for Evil Sudoku #1123713524895

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

This Sudoku Puzzle has 61 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Naked Single, 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 9 / Column 5 → 1 (Hidden Single)
  3. Row 9 / Column 7 → 4 (Hidden Single)
  4. Row 8 / Column 2 → 3 (Hidden Single)
  5. Row 9 / Column 8 → 3 (Hidden Single)
  6. Row 3 / Column 7 → 3 (Hidden Single)
  7. Locked Candidates Type 1 (Pointing): 4 in b1 => r1c5<>4
  8. Locked Candidates Type 1 (Pointing): 8 in b6 => r13c9<>8
  9. Locked Candidates Type 1 (Pointing): 5 in b9 => r5c9<>5
  10. Locked Candidates Type 2 (Claiming): 8 in r1 => r2c1<>8
  11. Naked Triple: 4,6,9 in r378c5 => r12c5<>6, r12c5<>9
  12. Row 1 / Column 5 → 7 (Naked Single)
  13. Row 2 / Column 5 → 7 (Naked Single)
  14. Row 6 / Column 9 → 7 (Hidden Single)
  15. Row 4 / Column 1 → 7 (Hidden Single)
  16. Row 7 / Column 2 → 7 (Hidden Single)
  17. Row 6 / Column 7 → 2 (Hidden Single)
  18. Row 8 / Column 9 → 2 (Hidden Single)
  19. Row 6 / Column 3 → 8 (Hidden Single)
  20. Row 5 / Column 9 → 8 (Hidden Single)
  21. Row 2 / Column 8 → 2 (Hidden Single)
  22. Row 7 / Column 3 → 2 (Hidden Single)
  23. Row 9 / Column 9 → 5 (Hidden Single)
  24. Row 1 / Column 1 → 8 (Hidden Single)
  25. Row 3 / Column 8 → 8 (Hidden Single)
  26. Row 1 / Column 3 → 4 (Hidden Single)
  27. Row 7 / Column 1 → 4 (Hidden Single)
  28. Row 4 / Column 3 → 1 (Hidden Single)
  29. Row 7 / Column 4 → 5 (Hidden Single)
  30. Row 8 / Column 3 → 5 (Hidden Single)
  31. Row 6 / Column 6 → 1 (Hidden Single)
  32. Row 4 / Column 7 → 5 (Hidden Single)
  33. Row 5 / Column 1 → 5 (Hidden Single)
  34. Locked Candidates Type 1 (Pointing): 6 in b9 => r4c8<>6
  35. Row 4 / Column 8 → 9 (Naked Single)
  36. Row 5 / Column 7 → 6 (Full House)
  37. Row 7 / Column 8 → 6 (Full House)
  38. Row 8 / Column 8 → 6 (Full House)
  39. Row 5 / Column 3 → 9 (Full House)
  40. Row 7 / Column 5 → 9 (Full House)
  41. Row 6 / Column 2 → 6 (Full House)
  42. Row 9 / Column 3 → 6 (Full House)
  43. Row 6 / Column 4 → 9 (Full House)
  44. Row 9 / Column 1 → 9 (Full House)
  45. Row 2 / Column 1 → 6 (Full House)
  46. Row 8 / Column 5 → 4 (Naked Single)
  47. Row 8 / Column 4 → 8 (Full House)
  48. Row 8 / Column 6 → 8 (Full House)
  49. Row 2 / Column 4 → 8 (Naked Single)
  50. Row 3 / Column 5 → 6 (Naked Single)
  51. Row 3 / Column 9 → 9 (Naked Single)
  52. Row 1 / Column 7 → 1 (Full House)
  53. Row 1 / Column 9 → 6 (Full House)
  54. Row 2 / Column 7 → 1 (Full House)
  55. Row 1 / Column 2 → 9 (Full House)
  56. Row 3 / Column 2 → 5 (Full House)
  57. Row 2 / Column 2 → 5 (Full House)
  58. Row 3 / Column 6 → 4 (Full House)
  59. Row 2 / Column 6 → 9 (Naked Single)
  60. Row 4 / Column 6 → 6 (Naked Single)
  61. Row 4 / Column 4 → 4 (Full House)
Show More...