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

This Sudoku Puzzle has 60 steps and it is solved using Locked Candidates Type 1 (Pointing), Naked Pair, Naked Triple, Naked Single, Hidden Single, Full House, Remote Pair techniques.

Naked Single Explanation
Hidden Single Explanation
Locked Candidates Explanation
Full House Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Locked Candidates Type 1 (Pointing): 3 in b4 => r5c6<>3
  2. Locked Candidates Type 1 (Pointing): 7 in b4 => r5c89<>7
  3. Locked Candidates Type 1 (Pointing): 8 in b7 => r12c1<>8
  4. Locked Candidates Type 1 (Pointing): 5 in b9 => r2c9<>5
  5. Naked Pair: 5,9 in r38c2 => r2c2<>5, r2c2<>9
  6. Naked Triple: 1,6,8 in r4c9,r5c78 => r56c9,r6c8<>1, r5c9<>6, r5c9<>8
  7. Row 6 / Column 8 → 7 (Naked Single)
  8. Row 3 / Column 3 → 7 (Hidden Single)
  9. Row 1 / Column 1 → 5 (Naked Single)
  10. Row 5 / Column 3 → 4 (Naked Single)
  11. Row 1 / Column 3 → 8 (Full House)
  12. Row 3 / Column 2 → 9 (Naked Single)
  13. Row 5 / Column 2 → 3 (Naked Single)
  14. Row 5 / Column 1 → 7 (Full House)
  15. Row 1 / Column 8 → 1 (Naked Single)
  16. Row 2 / Column 1 → 3 (Naked Single)
  17. Row 2 / Column 2 → 4 (Full House)
  18. Row 8 / Column 2 → 5 (Full House)
  19. Row 2 / Column 9 → 7 (Hidden Single)
  20. Row 1 / Column 5 → 7 (Hidden Single)
  21. Row 2 / Column 5 → 5 (Hidden Single)
  22. Row 3 / Column 8 → 5 (Hidden Single)
  23. Row 7 / Column 9 → 5 (Hidden Single)
  24. Row 5 / Column 7 → 1 (Hidden Single)
  25. Row 9 / Column 9 → 1 (Hidden Single)
  26. Locked Candidates Type 1 (Pointing): 6 in b3 => r2c46<>6
  27. Locked Candidates Type 1 (Pointing): 8 in b3 => r2c46<>8
  28. Naked Pair: 6,8 in r34c6 => r58c6<>6, r58c6<>8
  29. Naked Pair: 2,9 in r5c69 => r5c5<>2, r5c5<>9
  30. Naked Triple: 6,8,9 in r8c159 => r8c4<>6, r8c4<>8, r8c46<>9
  31. Remote Pair: 6/8 r3c4 -8- r3c6 -6- r4c6 -8- r5c5 -6- r5c8 -8- r4c9 -6- r8c9 -8- r9c7 => r8c5,r9c4<>6, r8c5,r9c4<>8
  32. Row 8 / Column 5 → 9 (Naked Single)
  33. Row 9 / Column 4 → 2 (Naked Single)
  34. Row 8 / Column 1 → 8 (Naked Single)
  35. Row 7 / Column 1 → 9 (Full House)
  36. Row 1 / Column 4 → 4 (Naked Single)
  37. Row 1 / Column 6 → 2 (Full House)
  38. Row 8 / Column 9 → 6 (Naked Single)
  39. Row 9 / Column 7 → 8 (Full House)
  40. Row 2 / Column 7 → 6 (Full House)
  41. Row 9 / Column 5 → 6 (Full House)
  42. Row 2 / Column 8 → 8 (Full House)
  43. Row 5 / Column 8 → 6 (Full House)
  44. Row 8 / Column 4 → 3 (Naked Single)
  45. Row 8 / Column 6 → 4 (Full House)
  46. Row 5 / Column 6 → 9 (Naked Single)
  47. Row 4 / Column 9 → 8 (Naked Single)
  48. Row 4 / Column 6 → 6 (Full House)
  49. Row 5 / Column 5 → 8 (Naked Single)
  50. Row 5 / Column 9 → 2 (Full House)
  51. Row 6 / Column 9 → 9 (Full House)
  52. Row 2 / Column 6 → 1 (Naked Single)
  53. Row 2 / Column 4 → 9 (Full House)
  54. Row 6 / Column 4 → 1 (Naked Single)
  55. Row 3 / Column 6 → 8 (Naked Single)
  56. Row 6 / Column 6 → 3 (Full House)
  57. Row 6 / Column 5 → 2 (Full House)
  58. Row 7 / Column 5 → 1 (Full House)
  59. Row 7 / Column 4 → 8 (Full House)
  60. Row 3 / Column 4 → 6 (Full House)
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