Solution for Evil Sudoku #1138427916592

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

This Sudoku Puzzle has steps and it is solved using techniques.

Try To Solve This Puzzle

Solution Steps:

  1. Row 1 / Column 6 → 3 (Hidden Single)
  2. Row 1 / Column 4 → 8 (Hidden Single)
  3. Row 2 / Column 1 → 6 (Hidden Single)
  4. Row 7 / Column 5 → 3 (Hidden Single)
  5. Row 4 / Column 8 → 6 (Hidden Single)
  6. Locked Pair: 2,7 in r1c8,r1c9 => r2c8<>2,r2c8<>7,r2c9<>2,r2c9<>7,r3c9<>2
  7. Locked Pair: 4,9 in r2c9,r3c9 => r2c8<>4,r3c7<>4,r3c7<>9,r4c9<>4,r7c9<>4,r7c9<>9,r9c9<>9
  8. Row 7 / Column 8 → 4 (Hidden Single)
  9. Row 7 / Column 9 → 2 (Hidden Single)
  10. Row 1 / Column 9 → 7 (Naked Single)
  11. Row 1 / Column 8 → 2 (Full House)
  12. Row 4 / Column 9 → 3 (Naked Single)
  13. Row 9 / Column 9 → 8 (Naked Single)
  14. Row 7 / Column 6 → 8 (Hidden Single)
  15. Row 9 / Column 6 → 9 (Hidden Single)
  16. Row 9 / Column 4 → 6 (Hidden Single)
  17. Row 6 / Column 6 → 6 (Hidden Single)
  18. Locked Pair: 4,7 in r4c7,r5c7 => r7c7<>7,r8c7<>7,r9c7<>7
  19. Locked Pair: 5,7 in r7c4,r8c4 => r2c4<>5,r2c4<>7,r3c4<>5,r6c4<>7
  20. Locked Candidates Type 1 (Pointing): 2 in b5 => r2c6<>2,r3c6<>2
  21. Locked Candidates Type 1 (Pointing): 1 in b7 => r4c3<>1,r6c3<>1
  22. Naked Pair: 5,7 in r8c4,r8c8 => r8c2<>5,r8c2<>7,r8c7<>5
  23. Locked Candidates Type 1 (Pointing): 5 in b7 => r4c1<>5,r5c1<>5
  24. Locked Candidates Type 1 (Pointing): 7 in b7 => r4c1<>7,r5c1<>7,r6c1<>7
  25. Locked Pair: 2,8 in r4c1,r5c1 => r4c2<>8,r4c3<>2,r4c3<>8,r5c2<>8,r3c1<>2,r3c1<>8
  26. Row 3 / Column 1 → 9 (Naked Single)
  27. Row 2 / Column 2 → 3 (Naked Single)
  28. Row 2 / Column 3 → 2 (Naked Single)
  29. Row 3 / Column 2 → 8 (Full House)
  30. Row 3 / Column 9 → 4 (Naked Single)
  31. Row 2 / Column 9 → 9 (Full House)
  32. Row 3 / Column 6 → 5 (Naked Single)
  33. Row 3 / Column 7 → 1 (Naked Single)
  34. Row 3 / Column 4 → 2 (Full House)
  35. Row 2 / Column 8 → 5 (Full House)
  36. Row 4 / Column 3 → 4 (Naked Single)
  37. Row 4 / Column 7 → 7 (Naked Single)
  38. Row 5 / Column 7 → 4 (Full House)
  39. Row 4 / Column 6 → 2 (Naked Single)
  40. Row 4 / Column 1 → 8 (Naked Single)
  41. Row 5 / Column 1 → 2 (Naked Single)
  42. Row 5 / Column 6 → 7 (Naked Single)
  43. Row 2 / Column 6 → 4 (Full House)
  44. Row 2 / Column 4 → 1 (Naked Single)
  45. Row 2 / Column 5 → 7 (Full House)
  46. Row 5 / Column 2 → 5 (Naked Single)
  47. Row 5 / Column 5 → 8 (Full House)
  48. Row 4 / Column 2 → 1 (Naked Single)
  49. Row 4 / Column 5 → 5 (Full House)
  50. Row 6 / Column 5 → 1 (Full House)
  51. Row 6 / Column 4 → 4 (Full House)
  52. Row 6 / Column 1 → 3 (Naked Single)
  53. Row 6 / Column 3 → 9 (Naked Single)
  54. Row 6 / Column 2 → 7 (Full House)
  55. Row 8 / Column 2 → 9 (Full House)
  56. Row 7 / Column 3 → 1 (Naked Single)
  57. Row 8 / Column 7 → 3 (Naked Single)
  58. Row 8 / Column 3 → 8 (Naked Single)
  59. Row 9 / Column 3 → 3 (Full House)
  60. Row 8 / Column 8 → 7 (Naked Single)
  61. Row 8 / Column 4 → 5 (Full House)
  62. Row 7 / Column 4 → 7 (Full House)
  63. Row 9 / Column 8 → 1 (Full House)
  64. Row 7 / Column 1 → 5 (Naked Single)
  65. Row 7 / Column 7 → 9 (Full House)
  66. Row 9 / Column 1 → 7 (Full House)
  67. Row 9 / Column 7 → 5 (Full House)
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