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.

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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