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

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

Try To Solve This Puzzle

## Solution Steps:

1. Row 7 / Column 9 → 2 (Hidden Single)
2. Row 8 / Column 9 → 6 (Hidden Single)
3. Locked Pair: 5,8 in r7c23 => r7c56<>5, r7c568,r8c123,r9c1<>8
4. Locked Pair: 4,7 in r8c23 => r8c18,r9c1<>7, r8c46<>4
5. Locked Triple: 2,6,7 in r1c456 => r1c378,r2c5<>7, r1c7,r23c4<>2, r1c7,r2c45,r3c4<>6
6. Locked Candidates Type 2 (Claiming): 1 in r4 => r5c45,r6c45<>1
7. Locked Candidates Type 2 (Claiming): 5 in r4 => r5c456,r6c456<>5
8. Locked Candidates Type 2 (Claiming): 7 in r4 => r5c56,r6c56<>7
9. Naked Triple: 1,7,9 in r156c7 => r239c7<>7, r39c7<>1, r9c7<>9
10. Row 9 / Column 7 → 3 (Naked Single)
11. Row 7 / Column 8 → 9 (Naked Single)
12. Row 9 / Column 1 → 9 (Naked Single)
13. Row 8 / Column 1 → 3 (Naked Single)
14. Row 8 / Column 6 → 8 (Naked Single)
15. Row 8 / Column 8 → 1 (Naked Single)
16. Row 1 / Column 8 → 4 (Naked Single)
17. Row 8 / Column 4 → 9 (Naked Single)
18. Row 9 / Column 9 → 7 (Naked Single)
19. Row 9 / Column 8 → 8 (Full House)
20. Row 1 / Column 3 → 1 (Naked Single)
21. Row 2 / Column 9 → 5 (Naked Single)
22. Row 1 / Column 7 → 9 (Naked Single)
23. Row 3 / Column 9 → 1 (Naked Single)
24. Row 6 / Column 9 → 9 (Full House)
25. Row 6 / Column 5 → 8 (Naked Single)
26. Row 2 / Column 5 → 3 (Naked Single)
27. Row 2 / Column 4 → 8 (Naked Single)
28. Row 2 / Column 8 → 7 (Naked Single)
29. Row 7 / Column 5 → 6 (Naked Single)
30. Row 3 / Column 4 → 5 (Naked Single)
31. Row 3 / Column 8 → 3 (Naked Single)
32. Row 5 / Column 8 → 5 (Full House)
33. Row 1 / Column 5 → 7 (Naked Single)
34. Row 5 / Column 5 → 9 (Naked Single)
35. Row 7 / Column 6 → 3 (Naked Single)
36. Row 4 / Column 4 → 1 (Naked Single)
37. Row 4 / Column 5 → 5 (Naked Single)
38. Row 4 / Column 6 → 7 (Full House)
39. Row 9 / Column 5 → 1 (Full House)
40. Row 9 / Column 4 → 4 (Naked Single)
41. Row 9 / Column 6 → 5 (Full House)
42. Row 6 / Column 4 → 2 (Naked Single)
43. Row 1 / Column 4 → 6 (Naked Single)
44. Row 1 / Column 6 → 2 (Full House)
45. Row 5 / Column 4 → 3 (Full House)
46. Row 5 / Column 6 → 6 (Naked Single)
47. Row 6 / Column 6 → 4 (Full House)
48. Row 6 / Column 1 → 7 (Naked Single)
49. Row 5 / Column 3 → 8 (Naked Single)
50. Row 6 / Column 7 → 1 (Naked Single)
51. Row 5 / Column 7 → 7 (Full House)
52. Row 6 / Column 2 → 5 (Full House)
53. Row 3 / Column 3 → 7 (Naked Single)
54. Row 5 / Column 1 → 2 (Naked Single)
55. Row 5 / Column 2 → 1 (Full House)
56. Row 7 / Column 3 → 5 (Naked Single)
57. Row 7 / Column 2 → 8 (Full House)
58. Row 8 / Column 3 → 4 (Full House)
59. Row 8 / Column 2 → 7 (Full House)
60. Row 2 / Column 1 → 6 (Naked Single)
61. Row 3 / Column 1 → 8 (Full House)
62. Row 3 / Column 2 → 2 (Naked Single)
63. Row 2 / Column 2 → 4 (Full House)
64. Row 2 / Column 7 → 2 (Full House)
65. Row 3 / Column 7 → 6 (Full House)