Solution for Evil Sudoku #1229341765897

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

This Sudoku Puzzle has 57 steps and it is solved using Hidden Single, Locked Pair, Naked Single, Full House techniques.

Try To Solve This Puzzle

Solution Steps:

  1. Row 6 / Column 5 → 8 (Hidden Single)
  2. Row 6 / Column 8 → 7 (Hidden Single)
  3. Row 2 / Column 1 → 8 (Hidden Single)
  4. Locked Pair: 1,6 in r1c45 => r1c26,r3c5<>1, r1c68,r2c46<>6
  5. Row 1 / Column 6 → 5 (Naked Single)
  6. Row 2 / Column 8 → 6 (Hidden Single)
  7. Row 2 / Column 6 → 4 (Hidden Single)
  8. Row 3 / Column 5 → 9 (Naked Single)
  9. Row 9 / Column 6 → 1 (Naked Single)
  10. Row 2 / Column 4 → 2 (Naked Single)
  11. Row 8 / Column 6 → 6 (Naked Single)
  12. Row 4 / Column 6 → 2 (Full House)
  13. Row 9 / Column 4 → 7 (Naked Single)
  14. Row 6 / Column 4 → 6 (Naked Single)
  15. Row 4 / Column 5 → 1 (Full House)
  16. Row 7 / Column 5 → 3 (Naked Single)
  17. Row 8 / Column 4 → 9 (Naked Single)
  18. Row 1 / Column 4 → 1 (Full House)
  19. Row 1 / Column 5 → 6 (Full House)
  20. Row 9 / Column 5 → 4 (Full House)
  21. Row 9 / Column 3 → 2 (Naked Single)
  22. Row 9 / Column 2 → 8 (Naked Single)
  23. Row 9 / Column 8 → 3 (Full House)
  24. Row 1 / Column 8 → 8 (Naked Single)
  25. Row 8 / Column 8 → 1 (Naked Single)
  26. Row 2 / Column 7 → 9 (Hidden Single)
  27. Row 4 / Column 7 → 5 (Naked Single)
  28. Row 3 / Column 7 → 7 (Naked Single)
  29. Row 1 / Column 7 → 3 (Naked Single)
  30. Row 1 / Column 2 → 7 (Full House)
  31. Row 3 / Column 9 → 4 (Naked Single)
  32. Row 3 / Column 8 → 5 (Full House)
  33. Row 8 / Column 7 → 8 (Naked Single)
  34. Row 5 / Column 7 → 2 (Full House)
  35. Row 8 / Column 9 → 7 (Naked Single)
  36. Row 5 / Column 8 → 9 (Naked Single)
  37. Row 7 / Column 9 → 9 (Naked Single)
  38. Row 7 / Column 8 → 2 (Full House)
  39. Row 4 / Column 8 → 4 (Full House)
  40. Row 4 / Column 9 → 6 (Naked Single)
  41. Row 4 / Column 2 → 9 (Full House)
  42. Row 5 / Column 9 → 8 (Full House)
  43. Row 6 / Column 1 → 5 (Hidden Single)
  44. Row 6 / Column 3 → 4 (Naked Single)
  45. Row 6 / Column 2 → 2 (Full House)
  46. Row 8 / Column 3 → 5 (Naked Single)
  47. Row 8 / Column 2 → 4 (Full House)
  48. Row 3 / Column 2 → 1 (Naked Single)
  49. Row 3 / Column 1 → 2 (Full House)
  50. Row 2 / Column 3 → 3 (Naked Single)
  51. Row 2 / Column 2 → 5 (Full House)
  52. Row 7 / Column 2 → 6 (Naked Single)
  53. Row 5 / Column 2 → 3 (Full House)
  54. Row 5 / Column 3 → 1 (Naked Single)
  55. Row 5 / Column 1 → 6 (Full House)
  56. Row 7 / Column 1 → 1 (Full House)
  57. Row 7 / Column 3 → 7 (Full House)
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