Solution for Evil Sudoku #1174925138693

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

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

Try To Solve This Puzzle

Solution Steps:

  1. Row 4 / Column 6 → 8 (Naked Single)
  2. Row 4 / Column 4 → 7 (Naked Single)
  3. Row 5 / Column 6 → 3 (Naked Single)
  4. Row 6 / Column 4 → 2 (Full House)
  5. Row 1 / Column 6 → 1 (Hidden Single)
  6. Row 5 / Column 3 → 2 (Hidden Single)
  7. Row 8 / Column 8 → 2 (Hidden Single)
  8. Row 2 / Column 5 → 2 (Hidden Single)
  9. Row 1 / Column 9 → 2 (Hidden Single)
  10. Row 2 / Column 4 → 4 (Hidden Single)
  11. Row 8 / Column 2 → 1 (Hidden Single)
  12. Row 8 / Column 1 → 8 (Hidden Single)
  13. Row 7 / Column 2 → 9 (Hidden Single)
  14. Locked Candidates Type 1 (Pointing): 5 in b6 => r6c1<>5,r6c2<>5,r6c3<>5
  15. Locked Pair: 3,7 in r6c1,r6c3 => r5c2<>7,r6c2<>3,r6c2<>7,r6c2<>3,r6c2<>7,r6c7<>7,r6c8<>7
  16. Row 6 / Column 2 → 8 (Naked Single)
  17. Row 6 / Column 9 → 9 (Naked Single)
  18. Locked Candidates Type 1 (Pointing): 4 in b7 => r4c3<>4
  19. Locked Candidates Type 1 (Pointing): 5 in b8 => r8c3<>5
  20. Locked Candidates Type 1 (Pointing): 9 in b8 => r8c7<>9
  21. Locked Pair: 3,6 in r7c7,r8c7 => r7c9<>3,r7c9<>6,r9c7<>3,r9c7<>6,r9c8<>6,r1c7<>3,r1c7<>6,r2c7<>3,r2c7<>6,r5c7<>6,r9c7<>3,r9c7<>6
  22. Row 7 / Column 9 → 4 (Naked Single)
  23. Row 4 / Column 9 → 6 (Naked Single)
  24. Row 4 / Column 3 → 5 (Naked Single)
  25. Row 4 / Column 2 → 4 (Full House)
  26. Row 5 / Column 2 → 6 (Naked Single)
  27. Row 5 / Column 9 → 8 (Naked Single)
  28. Row 3 / Column 9 → 3 (Full House)
  29. Row 5 / Column 7 → 7 (Naked Single)
  30. Row 5 / Column 8 → 4 (Full House)
  31. Row 7 / Column 5 → 3 (Naked Single)
  32. Row 1 / Column 5 → 7 (Naked Single)
  33. Row 3 / Column 5 → 9 (Naked Single)
  34. Row 8 / Column 5 → 4 (Full House)
  35. Row 7 / Column 7 → 6 (Naked Single)
  36. Row 7 / Column 3 → 7 (Naked Single)
  37. Row 7 / Column 1 → 5 (Full House)
  38. Row 6 / Column 3 → 3 (Naked Single)
  39. Row 6 / Column 1 → 7 (Full House)
  40. Row 8 / Column 3 → 6 (Naked Single)
  41. Row 9 / Column 3 → 4 (Full House)
  42. Row 9 / Column 1 → 3 (Full House)
  43. Row 2 / Column 1 → 6 (Full House)
  44. Row 2 / Column 6 → 5 (Naked Single)
  45. Row 2 / Column 7 → 9 (Naked Single)
  46. Row 2 / Column 8 → 7 (Naked Single)
  47. Row 2 / Column 2 → 3 (Full House)
  48. Row 1 / Column 2 → 5 (Naked Single)
  49. Row 3 / Column 2 → 7 (Full House)
  50. Row 1 / Column 7 → 8 (Naked Single)
  51. Row 1 / Column 8 → 6 (Naked Single)
  52. Row 1 / Column 4 → 3 (Full House)
  53. Row 3 / Column 8 → 5 (Full House)
  54. Row 3 / Column 6 → 6 (Naked Single)
  55. Row 3 / Column 4 → 8 (Full House)
  56. Row 8 / Column 6 → 9 (Full House)
  57. Row 6 / Column 8 → 1 (Naked Single)
  58. Row 6 / Column 7 → 5 (Full House)
  59. Row 9 / Column 8 → 9 (Full House)
  60. Row 8 / Column 4 → 5 (Naked Single)
  61. Row 8 / Column 7 → 3 (Full House)
  62. Row 9 / Column 4 → 6 (Full House)
  63. Row 9 / Column 7 → 1 (Full House)
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