Solution for Evil Sudoku #1359128674392

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

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

Try To Solve This Puzzle

Solution Steps:

  1. Row 8 / Column 9 → 4 (Hidden Single)
  2. Row 9 / Column 4 → 5 (Hidden Single)
  3. Row 9 / Column 6 → 9 (Hidden Single)
  4. Row 6 / Column 2 → 4 (Hidden Single)
  5. Row 3 / Column 5 → 5 (Hidden Single)
  6. Locked Pair: 2,8 in r9c1,r9c2 => r7c1<>2,r8c1<>2,r8c1<>8,r8c2<>2,r8c2<>8
  7. Locked Pair: 3,8 in r2c6,r3c6 => r1c4<>3,r1c4<>8,r1c6<>3,r1c6<>8,r3c4<>3,r3c4<>8,r1c6<>3,r1c6<>8,r4c6<>8,r7c6<>3,r8c6<>3,r8c6<>8
  8. Row 1 / Column 6 → 4 (Naked Single)
  9. Row 4 / Column 4 → 4 (Hidden Single)
  10. Locked Pair: 6,9 in r1c4,r3c4 => r5c4<>9,r6c4<>9
  11. Locked Pair: 1,6 in r7c1,r8c1 => r7c3<>1,r7c3<>6,r8c2<>1,r1c1<>6,r3c1<>1,r3c1<>6,r6c1<>1
  12. Row 3 / Column 2 → 1 (Hidden Single)
  13. Row 3 / Column 1 → 2 (Hidden Single)
  14. Row 9 / Column 1 → 8 (Naked Single)
  15. Row 9 / Column 2 → 2 (Full House)
  16. Row 6 / Column 1 → 5 (Naked Single)
  17. Row 1 / Column 1 → 9 (Naked Single)
  18. Row 1 / Column 4 → 6 (Naked Single)
  19. Row 3 / Column 4 → 9 (Naked Single)
  20. Locked Pair: 1,8 in r5c3,r6c3 => r1c3<>8,r2c3<>8,r3c3<>8
  21. Locked Candidates Type 1 (Pointing): 7 in b3 => r4c7<>7,r6c7<>7
  22. Locked Candidates Type 1 (Pointing): 2 in b5 => r7c4<>2,r8c4<>2
  23. Naked Pair: 3,8 in r2c2,r2c6 => r2c3<>3,r2c8<>3,r2c8<>8
  24. Locked Candidates Type 1 (Pointing): 3 in b3 => r5c9<>3,r6c9<>3
  25. Locked Candidates Type 1 (Pointing): 8 in b3 => r4c9<>8,r5c9<>8,r6c9<>8
  26. Locked Pair: 2,9 in r5c9,r6c9 => r5c8<>9,r6c7<>2,r6c7<>9,r6c8<>9,r7c9<>2,r7c9<>9
  27. Row 6 / Column 7 → 1 (Naked Single)
  28. Row 6 / Column 3 → 8 (Naked Single)
  29. Row 5 / Column 3 → 1 (Full House)
  30. Row 7 / Column 9 → 6 (Naked Single)
  31. Row 4 / Column 9 → 5 (Naked Single)
  32. Row 4 / Column 7 → 6 (Naked Single)
  33. Row 3 / Column 7 → 7 (Naked Single)
  34. Row 1 / Column 7 → 5 (Naked Single)
  35. Row 2 / Column 7 → 9 (Naked Single)
  36. Row 8 / Column 7 → 2 (Full House)
  37. Row 2 / Column 8 → 6 (Naked Single)
  38. Row 2 / Column 3 → 5 (Naked Single)
  39. Row 7 / Column 1 → 1 (Naked Single)
  40. Row 8 / Column 1 → 6 (Full House)
  41. Row 7 / Column 4 → 3 (Naked Single)
  42. Row 6 / Column 4 → 2 (Naked Single)
  43. Row 5 / Column 4 → 8 (Naked Single)
  44. Row 8 / Column 4 → 1 (Full House)
  45. Row 4 / Column 5 → 7 (Naked Single)
  46. Row 4 / Column 6 → 1 (Naked Single)
  47. Row 4 / Column 8 → 8 (Full House)
  48. Row 5 / Column 8 → 3 (Naked Single)
  49. Row 5 / Column 5 → 9 (Naked Single)
  50. Row 5 / Column 9 → 2 (Full House)
  51. Row 6 / Column 5 → 3 (Full House)
  52. Row 8 / Column 5 → 8 (Full House)
  53. Row 6 / Column 8 → 7 (Naked Single)
  54. Row 6 / Column 9 → 9 (Full House)
  55. Row 7 / Column 3 → 7 (Naked Single)
  56. Row 8 / Column 2 → 3 (Full House)
  57. Row 1 / Column 3 → 3 (Naked Single)
  58. Row 3 / Column 3 → 6 (Full House)
  59. Row 1 / Column 9 → 8 (Naked Single)
  60. Row 1 / Column 2 → 7 (Full House)
  61. Row 2 / Column 2 → 8 (Full House)
  62. Row 2 / Column 6 → 3 (Full House)
  63. Row 3 / Column 9 → 3 (Full House)
  64. Row 3 / Column 6 → 8 (Full House)
  65. Row 7 / Column 6 → 2 (Naked Single)
  66. Row 7 / Column 8 → 9 (Full House)
  67. Row 8 / Column 6 → 7 (Full House)
  68. Row 8 / Column 8 → 5 (Full House)
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