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

This Sudoku Puzzle has 59 steps and it is solved using Hidden Single, Naked Single, Full House, Naked Pair, undefined, Empty Rectangle techniques.

Try To Solve This Puzzle

Solution Steps:

  1. Row 1 / Column 5 → 2 (Hidden Single)
  2. Row 2 / Column 4 → 7 (Hidden Single)
  3. Row 8 / Column 2 → 3 (Hidden Single)
  4. Row 1 / Column 7 → 3 (Hidden Single)
  5. Row 3 / Column 4 → 3 (Hidden Single)
  6. Row 8 / Column 8 → 1 (Hidden Single)
  7. Row 7 / Column 9 → 8 (Naked Single)
  8. Row 7 / Column 8 → 5 (Naked Single)
  9. Row 7 / Column 7 → 2 (Naked Single)
  10. Row 8 / Column 6 → 2 (Hidden Single)
  11. Row 9 / Column 2 → 2 (Hidden Single)
  12. Row 1 / Column 8 → 7 (Hidden Single)
  13. Row 3 / Column 5 → 5 (Hidden Single)
  14. Row 8 / Column 5 → 6 (Naked Single)
  15. Row 8 / Column 4 → 5 (Full House)
  16. Row 2 / Column 5 → 9 (Naked Single)
  17. Row 2 / Column 6 → 6 (Full House)
  18. Row 6 / Column 4 → 9 (Naked Single)
  19. Row 4 / Column 4 → 6 (Full House)
  20. Row 7 / Column 5 → 3 (Naked Single)
  21. Row 9 / Column 5 → 8 (Naked Single)
  22. Row 7 / Column 6 → 9 (Full House)
  23. Row 6 / Column 7 → 7 (Hidden Single)
  24. Row 5 / Column 8 → 6 (Hidden Single)
  25. Row 5 / Column 6 → 3 (Hidden Single)
  26. Row 6 / Column 6 → 5 (Hidden Single)
  27. Row 4 / Column 6 → 8 (Full House)
  28. Row 4 / Column 8 → 9 (Hidden Single)
  29. Row 5 / Column 2 → 9 (Hidden Single)
  30. Naked Pair: 1,4 in r5c59 => r5c137<>1, r5c37<>4
  31. Row 3 / Column 3 → 4 (Hidden Single)
  32. X-Wing: 8 r35 c17 => r2c7<>8
  33. Empty Rectangle: 1 in b4 (r24c7) => r2c2<>1
  34. Row 2 / Column 2 → 8 (Naked Single)
  35. Row 2 / Column 8 → 4 (Naked Single)
  36. Row 2 / Column 7 → 1 (Full House)
  37. Row 6 / Column 8 → 8 (Full House)
  38. Row 5 / Column 7 → 5 (Naked Single)
  39. Row 4 / Column 7 → 4 (Naked Single)
  40. Row 5 / Column 9 → 1 (Full House)
  41. Row 5 / Column 3 → 7 (Naked Single)
  42. Row 4 / Column 2 → 1 (Naked Single)
  43. Row 4 / Column 1 → 5 (Full House)
  44. Row 6 / Column 2 → 4 (Full House)
  45. Row 5 / Column 1 → 8 (Full House)
  46. Row 5 / Column 5 → 4 (Full House)
  47. Row 6 / Column 5 → 1 (Full House)
  48. Row 9 / Column 7 → 6 (Naked Single)
  49. Row 3 / Column 7 → 8 (Full House)
  50. Row 9 / Column 9 → 4 (Full House)
  51. Row 7 / Column 3 → 1 (Naked Single)
  52. Row 7 / Column 1 → 7 (Full House)
  53. Row 9 / Column 1 → 9 (Naked Single)
  54. Row 9 / Column 3 → 5 (Full House)
  55. Row 1 / Column 3 → 9 (Full House)
  56. Row 3 / Column 1 → 6 (Naked Single)
  57. Row 1 / Column 1 → 1 (Full House)
  58. Row 1 / Column 9 → 6 (Full House)
  59. Row 3 / Column 9 → 9 (Full House)
Show More...