Solution for Medium Sudoku #12815723649102

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

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

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

Solution Steps:

  1. Row 2 / Column 2 → 4 (Hidden Single)
  2. Row 7 / Column 2 → 8 (Hidden Single)
  3. Row 9 / Column 8 → 4 (Hidden Single)
  4. Row 2 / Column 3 → 6 (Hidden Single)
  5. Locked Candidates Type 1 (Pointing): 9 in b7 => r9c9<>9
  6. Locked Candidates Type 1 (Pointing): 2 in b8 => r7c789<>2
  7. Locked Candidates Type 1 (Pointing): 6 in b8 => r9c9<>6
  8. Naked Triple: 1,2,8 in r13c6,r3c4 => r1c45<>1, r1c45<>2
  9. Locked Candidates Type 2 (Claiming): 2 in c5 => r45c6,r56c4<>2
  10. Naked Triple: 1,2,4 in r46c5,r6c4 => r5c46<>1
  11. Row 5 / Column 4 → 7 (Naked Single)
  12. Row 5 / Column 2 → 1 (Hidden Single)
  13. Row 5 / Column 8 → 6 (Hidden Single)
  14. Row 4 / Column 2 → 6 (Hidden Single)
  15. Row 8 / Column 9 → 6 (Hidden Single)
  16. Row 3 / Column 2 → 9 (Hidden Single)
  17. Naked Triple: 2,3,5 in r1c279 => r1c16<>2, r1c1<>3
  18. Locked Candidates Type 1 (Pointing): 2 in b2 => r3c138<>2
  19. Row 2 / Column 1 → 2 (Hidden Single)
  20. Row 2 / Column 9 → 7 (Naked Single)
  21. Row 2 / Column 8 → 8 (Full House)
  22. Row 4 / Column 7 → 7 (Hidden Single)
  23. Row 4 / Column 5 → 4 (Hidden Single)
  24. Row 1 / Column 5 → 6 (Naked Single)
  25. Row 6 / Column 4 → 1 (Naked Single)
  26. Row 1 / Column 4 → 4 (Naked Single)
  27. Row 9 / Column 5 → 1 (Naked Single)
  28. Row 6 / Column 5 → 2 (Full House)
  29. Row 3 / Column 4 → 2 (Naked Single)
  30. Row 9 / Column 6 → 7 (Naked Single)
  31. Row 9 / Column 9 → 3 (Naked Single)
  32. Row 6 / Column 8 → 3 (Naked Single)
  33. Row 7 / Column 4 → 5 (Naked Single)
  34. Row 9 / Column 4 → 6 (Full House)
  35. Row 7 / Column 6 → 2 (Full House)
  36. Row 1 / Column 9 → 2 (Naked Single)
  37. Row 9 / Column 1 → 9 (Naked Single)
  38. Row 9 / Column 3 → 5 (Full House)
  39. Row 3 / Column 8 → 5 (Naked Single)
  40. Row 1 / Column 7 → 3 (Full House)
  41. Row 7 / Column 7 → 9 (Naked Single)
  42. Row 7 / Column 8 → 7 (Naked Single)
  43. Row 7 / Column 9 → 1 (Full House)
  44. Row 4 / Column 9 → 9 (Full House)
  45. Row 8 / Column 8 → 2 (Full House)
  46. Row 8 / Column 7 → 5 (Full House)
  47. Row 6 / Column 1 → 8 (Naked Single)
  48. Row 8 / Column 2 → 3 (Naked Single)
  49. Row 1 / Column 2 → 5 (Full House)
  50. Row 8 / Column 1 → 7 (Full House)
  51. Row 5 / Column 7 → 2 (Naked Single)
  52. Row 6 / Column 7 → 4 (Full House)
  53. Row 6 / Column 3 → 9 (Full House)
  54. Row 4 / Column 6 → 3 (Naked Single)
  55. Row 4 / Column 3 → 2 (Full House)
  56. Row 5 / Column 3 → 3 (Full House)
  57. Row 5 / Column 6 → 9 (Full House)
  58. Row 3 / Column 3 → 8 (Full House)
  59. Row 1 / Column 1 → 1 (Naked Single)
  60. Row 1 / Column 6 → 8 (Full House)
  61. Row 3 / Column 6 → 1 (Full House)
  62. Row 3 / Column 1 → 3 (Full House)
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