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

This Sudoku Puzzle has 58 steps and it is solved using Hidden Single, Locked Triple, Naked Single, Full House, undefined, Remote Pair techniques.

Try To Solve This Puzzle

Solution Steps:

  1. Row 1 / Column 6 → 8 (Hidden Single)
  2. Row 5 / Column 5 → 4 (Hidden Single)
  3. Row 4 / Column 6 → 1 (Hidden Single)
  4. Row 4 / Column 4 → 5 (Hidden Single)
  5. Row 2 / Column 6 → 5 (Hidden Single)
  6. Row 4 / Column 2 → 6 (Hidden Single)
  7. Row 5 / Column 4 → 6 (Hidden Single)
  8. Locked Triple: 1,3,8 in r5c123 => r5c79,r6c2<>3, r4c3,r5c9<>8
  9. Row 4 / Column 9 → 8 (Hidden Single)
  10. Row 3 / Column 9 → 4 (Hidden Single)
  11. Row 2 / Column 2 → 4 (Hidden Single)
  12. Row 6 / Column 2 → 2 (Naked Single)
  13. Row 4 / Column 3 → 4 (Naked Single)
  14. Row 7 / Column 2 → 5 (Naked Single)
  15. Row 9 / Column 2 → 7 (Naked Single)
  16. Row 8 / Column 2 → 8 (Naked Single)
  17. Row 5 / Column 2 → 3 (Full House)
  18. Row 7 / Column 1 → 4 (Hidden Single)
  19. Row 6 / Column 8 → 4 (Hidden Single)
  20. Row 8 / Column 8 → 7 (Hidden Single)
  21. Row 8 / Column 1 → 1 (Hidden Single)
  22. Row 5 / Column 1 → 8 (Naked Single)
  23. Row 5 / Column 3 → 1 (Full House)
  24. Row 9 / Column 8 → 1 (Hidden Single)
  25. Row 7 / Column 5 → 1 (Hidden Single)
  26. Row 8 / Column 6 → 6 (Hidden Single)
  27. Row 9 / Column 1 → 6 (Hidden Single)
  28. Row 3 / Column 3 → 8 (Hidden Single)
  29. Row 3 / Column 8 → 6 (Hidden Single)
  30. Row 7 / Column 7 → 6 (Hidden Single)
  31. Row 3 / Column 7 → 5 (Hidden Single)
  32. Row 1 / Column 3 → 5 (Hidden Single)
  33. Row 1 / Column 5 → 6 (Hidden Single)
  34. Row 9 / Column 9 → 5 (Hidden Single)
  35. W-Wing: 9/2 in r8c9,r9c3 connected by 2 in r7c39 => r9c7<>9
  36. Row 5 / Column 7 → 9 (Hidden Single)
  37. Row 5 / Column 9 → 7 (Full House)
  38. Row 1 / Column 7 → 7 (Hidden Single)
  39. Remote Pair: 2/3 r3c5 -3- r3c1 -2- r1c1 -3- r1c9 -2- r2c8 -3- r4c8 -2- r4c7 -3- r9c7 => r9c5<>2, r9c5<>3
  40. Row 9 / Column 5 → 9 (Naked Single)
  41. Row 7 / Column 6 → 3 (Naked Single)
  42. Row 8 / Column 4 → 2 (Full House)
  43. Row 6 / Column 6 → 9 (Full House)
  44. Row 8 / Column 9 → 9 (Full House)
  45. Row 6 / Column 4 → 3 (Full House)
  46. Row 2 / Column 4 → 9 (Full House)
  47. Row 9 / Column 3 → 2 (Naked Single)
  48. Row 7 / Column 3 → 9 (Full House)
  49. Row 7 / Column 9 → 2 (Full House)
  50. Row 9 / Column 7 → 3 (Full House)
  51. Row 1 / Column 9 → 3 (Full House)
  52. Row 4 / Column 7 → 2 (Full House)
  53. Row 1 / Column 1 → 2 (Full House)
  54. Row 2 / Column 8 → 2 (Full House)
  55. Row 4 / Column 8 → 3 (Full House)
  56. Row 3 / Column 1 → 3 (Full House)
  57. Row 2 / Column 5 → 3 (Full House)
  58. Row 3 / Column 5 → 2 (Full House)
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