# Solution for Medium Sudoku #31239648517101

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

This Sudoku Puzzle has 65 steps and it is solved using Hidden Single, Naked Single, Full House, Locked Candidates Type 1 (Pointing), Naked Pair, Locked Candidates Type 2 (Claiming), Naked Triple techniques.

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## Solution Steps:

1. Row 2 / Column 6 → 9 (Hidden Single)
2. Row 1 / Column 2 → 9 (Hidden Single)
3. Row 7 / Column 8 → 2 (Hidden Single)
4. Row 9 / Column 3 → 2 (Hidden Single)
5. Row 7 / Column 6 → 6 (Hidden Single)
6. Row 8 / Column 9 → 9 (Hidden Single)
7. Row 3 / Column 2 → 1 (Hidden Single)
8. Row 3 / Column 9 → 2 (Naked Single)
9. Row 9 / Column 2 → 8 (Hidden Single)
10. Row 7 / Column 1 → 1 (Hidden Single)
11. Row 6 / Column 7 → 2 (Hidden Single)
12. Row 1 / Column 7 → 6 (Hidden Single)
13. Row 2 / Column 7 → 5 (Hidden Single)
14. Row 2 / Column 1 → 7 (Naked Single)
15. Row 1 / Column 3 → 5 (Full House)
16. Locked Candidates Type 1 (Pointing): 8 in b2 => r1c89<>8
17. Row 1 / Column 9 → 1 (Naked Single)
18. Locked Candidates Type 1 (Pointing): 7 in b7 => r8c4<>7
19. Locked Candidates Type 1 (Pointing): 3 in b9 => r9c46<>3
20. Locked Candidates Type 1 (Pointing): 3 in b8 => r46c4<>3
21. Naked Pair: 4,7 in r1c58 => r1c46<>4, r1c4<>7
22. Naked Pair: 4,5 in r9c16 => r9c45<>4, r9c45<>5
23. Locked Candidates Type 2 (Claiming): 5 in c5 => r4c46,r6c46<>5
24. Naked Pair: 2,8 in r14c4 => r6c4<>8
25. Naked Pair: 4,5 in r39c6 => r6c6<>4
26. Naked Triple: 2,3,8 in r4c469 => r4c238<>3, r4c38<>8
27. Row 4 / Column 3 → 7 (Naked Single)
28. Row 8 / Column 3 → 3 (Naked Single)
29. Row 5 / Column 3 → 8 (Full House)
30. Row 7 / Column 2 → 5 (Naked Single)
31. Row 7 / Column 4 → 3 (Full House)
32. Row 8 / Column 4 → 4 (Naked Single)
33. Row 4 / Column 2 → 6 (Naked Single)
34. Row 9 / Column 1 → 4 (Naked Single)
35. Row 6 / Column 4 → 9 (Naked Single)
36. Row 8 / Column 1 → 6 (Naked Single)
37. Row 8 / Column 2 → 7 (Full House)
38. Row 6 / Column 1 → 5 (Full House)
39. Row 9 / Column 6 → 5 (Naked Single)
40. Row 4 / Column 8 → 1 (Naked Single)
41. Row 9 / Column 4 → 7 (Naked Single)
42. Row 9 / Column 5 → 9 (Full House)
43. Row 6 / Column 5 → 4 (Naked Single)
44. Row 3 / Column 6 → 4 (Naked Single)
45. Row 4 / Column 5 → 5 (Naked Single)
46. Row 5 / Column 7 → 3 (Naked Single)
47. Row 9 / Column 7 → 1 (Full House)
48. Row 9 / Column 8 → 3 (Full House)
49. Row 3 / Column 4 → 5 (Naked Single)
50. Row 3 / Column 8 → 7 (Full House)
51. Row 1 / Column 5 → 7 (Naked Single)
52. Row 5 / Column 5 → 1 (Full House)
53. Row 6 / Column 2 → 3 (Naked Single)
54. Row 5 / Column 2 → 4 (Full House)
55. Row 5 / Column 8 → 9 (Full House)
56. Row 4 / Column 9 → 8 (Naked Single)
57. Row 2 / Column 9 → 3 (Full House)
58. Row 2 / Column 8 → 8 (Full House)
59. Row 1 / Column 8 → 4 (Full House)
60. Row 6 / Column 8 → 6 (Full House)
61. Row 6 / Column 6 → 8 (Full House)
62. Row 4 / Column 4 → 2 (Naked Single)
63. Row 1 / Column 4 → 8 (Full House)
64. Row 1 / Column 6 → 2 (Full House)
65. Row 4 / Column 6 → 3 (Full House)