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

This Sudoku Puzzle has 48 steps and it is solved using Hidden Single, Naked Single, Full House, Locked Candidates Type 2 (Claiming) techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 1 / Column 5 → 7 (Hidden Single)
2. Row 2 / Column 1 → 7 (Hidden Single)
3. Row 1 / Column 6 → 9 (Hidden Single)
4. Row 5 / Column 1 → 9 (Hidden Single)
5. Row 6 / Column 1 → 1 (Naked Single)
6. Row 1 / Column 2 → 5 (Hidden Single)
7. Row 3 / Column 6 → 5 (Hidden Single)
8. Row 4 / Column 3 → 5 (Hidden Single)
9. Row 4 / Column 1 → 4 (Full House)
10. Row 3 / Column 2 → 1 (Hidden Single)
11. Row 7 / Column 9 → 5 (Hidden Single)
12. Row 3 / Column 1 → 3 (Hidden Single)
13. Row 3 / Column 8 → 8 (Naked Single)
14. Row 4 / Column 9 → 8 (Hidden Single)
15. Row 2 / Column 5 → 8 (Hidden Single)
16. Locked Candidates Type 2 (Claiming): 6 in r7 => r89c5,r9c6<>6
17. Row 6 / Column 5 → 6 (Hidden Single)
18. Row 5 / Column 4 → 8 (Naked Single)
19. Row 6 / Column 9 → 3 (Naked Single)
20. Row 6 / Column 7 → 9 (Full House)
21. Row 5 / Column 6 → 1 (Naked Single)
22. Row 5 / Column 8 → 6 (Full House)
23. Row 4 / Column 7 → 1 (Full House)
24. Row 4 / Column 6 → 3 (Naked Single)
25. Row 4 / Column 5 → 9 (Full House)
26. Row 9 / Column 6 → 4 (Naked Single)
27. Row 2 / Column 6 → 6 (Naked Single)
28. Row 7 / Column 6 → 8 (Full House)
29. Row 9 / Column 9 → 6 (Naked Single)
30. Row 2 / Column 3 → 4 (Naked Single)
31. Row 3 / Column 3 → 6 (Full House)
32. Row 3 / Column 4 → 4 (Full House)
33. Row 1 / Column 4 → 3 (Full House)
34. Row 7 / Column 4 → 6 (Full House)
35. Row 9 / Column 1 → 5 (Naked Single)
36. Row 8 / Column 1 → 6 (Full House)
37. Row 9 / Column 5 → 3 (Full House)
38. Row 8 / Column 5 → 5 (Full House)
39. Row 2 / Column 9 → 2 (Naked Single)
40. Row 2 / Column 7 → 3 (Full House)
41. Row 1 / Column 8 → 1 (Naked Single)
42. Row 1 / Column 9 → 4 (Full House)
43. Row 8 / Column 8 → 3 (Full House)
44. Row 8 / Column 9 → 1 (Full House)
45. Row 7 / Column 7 → 4 (Naked Single)
46. Row 7 / Column 2 → 3 (Full House)
47. Row 8 / Column 2 → 4 (Full House)
48. Row 8 / Column 7 → 2 (Full House)