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

This Sudoku Puzzle has 60 steps and it is solved using Hidden Single, Naked Single, Full House, Locked Candidates Type 2 (Claiming), Naked Triple techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 4 / Column 3 → 1 (Hidden Single)
2. Row 6 / Column 2 → 7 (Hidden Single)
3. Row 2 / Column 3 → 3 (Hidden Single)
4. Row 8 / Column 4 → 1 (Hidden Single)
5. Row 1 / Column 4 → 8 (Naked Single)
6. Row 1 / Column 5 → 4 (Naked Single)
7. Row 1 / Column 6 → 1 (Naked Single)
8. Row 8 / Column 3 → 8 (Hidden Single)
9. Row 2 / Column 7 → 1 (Hidden Single)
10. Row 2 / Column 1 → 8 (Hidden Single)
11. Row 2 / Column 8 → 4 (Naked Single)
12. Row 2 / Column 2 → 6 (Naked Single)
13. Row 2 / Column 6 → 7 (Full House)
14. Row 3 / Column 5 → 3 (Naked Single)
15. Row 3 / Column 4 → 6 (Full House)
16. Row 3 / Column 8 → 8 (Hidden Single)
17. Locked Candidates Type 2 (Claiming): 4 in c1 => r5c3<>4
18. Naked Triple: 2,5,9 in r8c78,r9c8 => r7c78,r89c9<>2, r7c78,r89c9<>5, r7c78<>9
19. Row 7 / Column 8 → 3 (Naked Single)
20. Row 8 / Column 9 → 4 (Naked Single)
21. Row 4 / Column 4 → 3 (Hidden Single)
22. Row 6 / Column 7 → 3 (Hidden Single)
23. Row 3 / Column 2 → 4 (Hidden Single)
24. Row 3 / Column 3 → 2 (Naked Single)
25. Row 9 / Column 3 → 4 (Hidden Single)
26. Row 4 / Column 5 → 7 (Hidden Single)
27. Row 9 / Column 4 → 7 (Hidden Single)
28. Row 9 / Column 9 → 6 (Naked Single)
29. Row 7 / Column 7 → 7 (Naked Single)
30. Row 3 / Column 7 → 5 (Naked Single)
31. Row 3 / Column 9 → 7 (Full House)
32. Row 1 / Column 7 → 2 (Full House)
33. Row 8 / Column 7 → 9 (Naked Single)
34. Row 5 / Column 7 → 6 (Full House)
35. Row 5 / Column 3 → 9 (Naked Single)
36. Row 7 / Column 3 → 6 (Full House)
37. Row 5 / Column 4 → 2 (Naked Single)
38. Row 6 / Column 4 → 9 (Full House)
39. Row 5 / Column 1 → 4 (Naked Single)
40. Row 6 / Column 5 → 8 (Naked Single)
41. Row 5 / Column 6 → 5 (Naked Single)
42. Row 5 / Column 9 → 8 (Full House)
43. Row 6 / Column 9 → 2 (Naked Single)
44. Row 4 / Column 9 → 5 (Full House)
45. Row 4 / Column 8 → 9 (Full House)
46. Row 4 / Column 6 → 6 (Naked Single)
47. Row 4 / Column 1 → 2 (Full House)
48. Row 6 / Column 1 → 6 (Full House)
49. Row 6 / Column 6 → 4 (Full House)
50. Row 9 / Column 6 → 2 (Naked Single)
51. Row 7 / Column 6 → 8 (Full House)
52. Row 9 / Column 8 → 5 (Naked Single)
53. Row 8 / Column 8 → 2 (Full House)
54. Row 9 / Column 5 → 9 (Full House)
55. Row 8 / Column 2 → 5 (Full House)
56. Row 7 / Column 5 → 5 (Full House)
57. Row 1 / Column 2 → 9 (Naked Single)
58. Row 1 / Column 1 → 5 (Full House)
59. Row 7 / Column 1 → 9 (Full House)
60. Row 7 / Column 2 → 2 (Full House)