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

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

Try To Solve This Puzzle

## Solution Steps:

1. Row 3 / Column 5 → 6 (Hidden Single)
2. Row 1 / Column 9 → 7 (Hidden Single)
3. Locked Candidates Type 1 (Pointing): 5 in b3 => r5c7<>5
4. Locked Candidates Type 1 (Pointing): 4 in b5 => r8c6<>4
5. Locked Candidates Type 1 (Pointing): 4 in b6 => r8c8<>4
6. Row 8 / Column 5 → 4 (Hidden Single)
7. Row 8 / Column 2 → 7 (Hidden Single)
8. Row 9 / Column 5 → 7 (Hidden Single)
9. Row 2 / Column 1 → 7 (Hidden Single)
10. Row 6 / Column 3 → 7 (Hidden Single)
11. Row 8 / Column 9 → 2 (Hidden Single)
12. Locked Candidates Type 2 (Claiming): 5 in r4 => r5c56,r6c46<>5
13. Locked Candidates Type 2 (Claiming): 6 in r8 => r79c4<>6
14. Naked Triple: 1,3,6 in r79c9,r8c8 => r79c7<>1, r79c7<>3
15. Empty Rectangle: 1 in b5 (r68c8) => r8c6<>1
16. Row 8 / Column 6 → 6 (Naked Single)
17. Row 5 / Column 1 → 6 (Hidden Single)
18. Row 4 / Column 2 → 9 (Naked Single)
19. Row 4 / Column 8 → 4 (Naked Single)
20. Row 4 / Column 6 → 5 (Naked Single)
21. Row 4 / Column 4 → 6 (Full House)
22. Row 2 / Column 6 → 8 (Naked Single)
23. Row 5 / Column 6 → 1 (Naked Single)
24. Row 6 / Column 6 → 4 (Full House)
25. Row 5 / Column 7 → 3 (Naked Single)
26. Row 5 / Column 3 → 8 (Naked Single)
27. Row 5 / Column 5 → 9 (Naked Single)
28. Row 5 / Column 9 → 5 (Full House)
29. Row 6 / Column 4 → 8 (Full House)
30. Row 6 / Column 2 → 3 (Naked Single)
31. Row 6 / Column 1 → 5 (Full House)
32. Row 1 / Column 5 → 5 (Naked Single)
33. Row 7 / Column 5 → 8 (Full House)
34. Row 2 / Column 2 → 2 (Naked Single)
35. Row 7 / Column 7 → 4 (Naked Single)
36. Row 2 / Column 4 → 9 (Naked Single)
37. Row 1 / Column 4 → 2 (Full House)
38. Row 2 / Column 7 → 5 (Naked Single)
39. Row 2 / Column 8 → 3 (Full House)
40. Row 9 / Column 7 → 8 (Naked Single)
41. Row 1 / Column 7 → 1 (Naked Single)
42. Row 3 / Column 7 → 2 (Full House)
43. Row 3 / Column 9 → 9 (Full House)
44. Row 8 / Column 8 → 1 (Naked Single)
45. Row 6 / Column 8 → 9 (Full House)
46. Row 6 / Column 9 → 1 (Full House)
47. Row 8 / Column 4 → 3 (Full House)
48. Row 1 / Column 2 → 8 (Naked Single)
49. Row 3 / Column 1 → 3 (Naked Single)
50. Row 3 / Column 3 → 1 (Full House)
51. Row 9 / Column 4 → 1 (Naked Single)
52. Row 7 / Column 4 → 5 (Full House)
53. Row 7 / Column 1 → 9 (Naked Single)
54. Row 9 / Column 2 → 6 (Naked Single)
55. Row 7 / Column 2 → 1 (Full House)
56. Row 1 / Column 1 → 4 (Naked Single)
57. Row 1 / Column 3 → 9 (Full House)
58. Row 9 / Column 1 → 2 (Full House)
59. Row 7 / Column 3 → 3 (Naked Single)
60. Row 7 / Column 9 → 6 (Full House)
61. Row 9 / Column 9 → 3 (Full House)
62. Row 9 / Column 3 → 4 (Full House)