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

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

Try To Solve This Puzzle

Solution Steps:

  1. Row 6 / Column 3 → 8 (Naked Single)
  2. Row 4 / Column 5 → 9 (Hidden Single)
  3. Row 9 / Column 1 → 9 (Hidden Single)
  4. Row 1 / Column 3 → 9 (Hidden Single)
  5. Row 8 / Column 8 → 9 (Hidden Single)
  6. Row 8 / Column 1 → 4 (Hidden Single)
  7. Row 5 / Column 3 → 6 (Hidden Single)
  8. Row 5 / Column 1 → 1 (Naked Single)
  9. Row 1 / Column 1 → 8 (Naked Single)
  10. Row 2 / Column 1 → 2 (Naked Single)
  11. Row 7 / Column 1 → 6 (Full House)
  12. Row 2 / Column 8 → 8 (Hidden Single)
  13. Row 3 / Column 4 → 2 (Hidden Single)
  14. Row 4 / Column 6 → 1 (Hidden Single)
  15. Row 4 / Column 2 → 4 (Hidden Single)
  16. Row 6 / Column 2 → 5 (Full House)
  17. Row 6 / Column 4 → 4 (Hidden Single)
  18. Row 2 / Column 5 → 6 (Hidden Single)
  19. Row 1 / Column 6 → 4 (Hidden Single)
  20. Row 8 / Column 6 → 7 (Hidden Single)
  21. Row 8 / Column 2 → 8 (Hidden Single)
  22. Row 1 / Column 5 → 7 (Hidden Single)
  23. Locked Pair: 5,6 in r4c7,r4c8 => r5c7<>5,r5c9<>5
  24. Locked Pair: 1,5 in r1c4,r2c4 => r5c4<>5,r9c4<>1
  25. Locked Candidates Type 1 (Pointing): 3 in b1 => r2c7<>3,r2c9<>3
  26. Naked Triple: 2,3,5 in r7c8,r8c7,r8c9 => r9c7<>3,r9c9<>2,r9c9<>3
  27. Skyscraper: 2 in r6c5,r8c5,r6c8,r8c9 => r5c9<>2,r7c8<>2
  28. Row 6 / Column 8 → 2 (Hidden Single)
  29. Row 6 / Column 5 → 3 (Full House)
  30. Row 5 / Column 4 → 8 (Naked Single)
  31. Row 9 / Column 4 → 3 (Naked Single)
  32. Row 9 / Column 6 → 8 (Hidden Single)
  33. Row 8 / Column 9 → 2 (Hidden Single)
  34. Locked Candidates Type 2 (Claiming): 5 in c9 => r1c8<>5,r2c7<>5
  35. XY-Wing: 4/7/6 in r2c7,r9c7,r3c9 => r9c9<>6
  36. Row 9 / Column 9 → 4 (Naked Single)
  37. Row 9 / Column 7 → 6 (Naked Single)
  38. Row 4 / Column 7 → 5 (Naked Single)
  39. Row 4 / Column 8 → 6 (Full House)
  40. Row 3 / Column 8 → 1 (Naked Single)
  41. Row 1 / Column 8 → 3 (Naked Single)
  42. Row 7 / Column 8 → 5 (Full House)
  43. Row 8 / Column 7 → 3 (Full House)
  44. Row 1 / Column 9 → 5 (Naked Single)
  45. Row 1 / Column 4 → 1 (Full House)
  46. Row 2 / Column 4 → 5 (Full House)
  47. Row 2 / Column 9 → 7 (Naked Single)
  48. Row 2 / Column 7 → 4 (Naked Single)
  49. Row 5 / Column 7 → 7 (Full House)
  50. Row 3 / Column 9 → 6 (Full House)
  51. Row 3 / Column 2 → 7 (Full House)
  52. Row 5 / Column 9 → 3 (Full House)
  53. Row 7 / Column 6 → 2 (Naked Single)
  54. Row 7 / Column 2 → 3 (Full House)
  55. Row 5 / Column 6 → 5 (Full House)
  56. Row 5 / Column 5 → 2 (Full House)
  57. Row 2 / Column 2 → 1 (Naked Single)
  58. Row 2 / Column 3 → 3 (Full House)
  59. Row 9 / Column 2 → 2 (Full House)
  60. Row 9 / Column 5 → 1 (Full House)
  61. Row 8 / Column 3 → 1 (Full House)
  62. Row 8 / Column 5 → 5 (Full House)
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