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

This Sudoku Puzzle has 62 steps and it is solved using Hidden Single, Naked Single, Locked Pair, Locked Candidates Type 1 (Pointing), Naked Triple, Locked Candidates Type 2 (Claiming), undefined, Full House techniques.

Try To Solve This Puzzle

Solution Steps:

  1. Row 1 / Column 6 → 3 (Hidden Single)
  2. Row 4 / Column 7 → 5 (Hidden Single)
  3. Row 8 / Column 3 → 7 (Hidden Single)
  4. Row 8 / Column 8 → 8 (Naked Single)
  5. Row 3 / Column 6 → 7 (Hidden Single)
  6. Row 4 / Column 3 → 3 (Hidden Single)
  7. Row 6 / Column 9 → 7 (Hidden Single)
  8. Row 7 / Column 2 → 3 (Hidden Single)
  9. Locked Pair: 2,4 in r3c79 => r1c78,r2c78,r3c235<>2, r1c7,r3c2<>4
  10. Locked Candidates Type 1 (Pointing): 6 in b2 => r789c5<>6
  11. Locked Candidates Type 1 (Pointing): 8 in b3 => r56c7<>8
  12. Locked Candidates Type 1 (Pointing): 1 in b5 => r9c4<>1
  13. Locked Candidates Type 1 (Pointing): 8 in b5 => r79c6<>8
  14. Naked Triple: 1,2,6 in r7c679 => r7c3<>6, r7c5<>1, r7c5<>2
  15. Locked Candidates Type 2 (Claiming): 1 in r7 => r89c7<>1
  16. X-Wing: 5 r37 c35 => r129c5,r2c3<>5
  17. Row 2 / Column 8 → 5 (Hidden Single)
  18. Row 1 / Column 8 → 7 (Naked Single)
  19. Row 1 / Column 7 → 8 (Naked Single)
  20. Row 9 / Column 8 → 2 (Naked Single)
  21. Row 5 / Column 8 → 3 (Full House)
  22. Row 2 / Column 7 → 3 (Naked Single)
  23. Row 7 / Column 9 → 1 (Naked Single)
  24. Row 7 / Column 7 → 6 (Naked Single)
  25. Row 7 / Column 6 → 2 (Naked Single)
  26. Row 8 / Column 7 → 9 (Naked Single)
  27. Row 9 / Column 7 → 7 (Full House)
  28. Row 8 / Column 5 → 1 (Naked Single)
  29. Row 8 / Column 2 → 6 (Full House)
  30. Row 3 / Column 2 → 9 (Naked Single)
  31. Row 4 / Column 4 → 1 (Hidden Single)
  32. Row 6 / Column 7 → 1 (Hidden Single)
  33. Row 9 / Column 2 → 1 (Hidden Single)
  34. Row 4 / Column 1 → 6 (Hidden Single)
  35. Row 4 / Column 6 → 8 (Naked Single)
  36. Row 4 / Column 9 → 2 (Full House)
  37. Row 6 / Column 6 → 9 (Naked Single)
  38. Row 9 / Column 6 → 6 (Full House)
  39. Row 3 / Column 9 → 4 (Naked Single)
  40. Row 3 / Column 7 → 2 (Full House)
  41. Row 5 / Column 7 → 4 (Full House)
  42. Row 5 / Column 9 → 8 (Full House)
  43. Row 6 / Column 4 → 2 (Naked Single)
  44. Row 5 / Column 4 → 6 (Full House)
  45. Row 5 / Column 2 → 2 (Naked Single)
  46. Row 5 / Column 3 → 9 (Full House)
  47. Row 6 / Column 3 → 8 (Naked Single)
  48. Row 6 / Column 1 → 4 (Full House)
  49. Row 1 / Column 2 → 4 (Naked Single)
  50. Row 2 / Column 2 → 8 (Full House)
  51. Row 7 / Column 3 → 5 (Naked Single)
  52. Row 7 / Column 5 → 8 (Full House)
  53. Row 9 / Column 1 → 8 (Full House)
  54. Row 1 / Column 1 → 5 (Full House)
  55. Row 3 / Column 3 → 6 (Naked Single)
  56. Row 2 / Column 3 → 2 (Full House)
  57. Row 3 / Column 5 → 5 (Full House)
  58. Row 2 / Column 5 → 6 (Full House)
  59. Row 9 / Column 5 → 9 (Naked Single)
  60. Row 1 / Column 5 → 2 (Full House)
  61. Row 1 / Column 4 → 9 (Full House)
  62. Row 9 / Column 4 → 5 (Full House)
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