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

This Sudoku Puzzle has 42 steps and it is solved using Full House, Naked Single, Hidden Single, Give Up techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 8 / Column 4 → 7 (Full House)
2. Row 9 / Column 3 → 8 (Naked Single)
3. Row 3 / Column 9 → 5 (Naked Single)
4. Row 1 / Column 9 → 4 (Full House)
5. Row 4 / Column 1 → 3 (Hidden Single)
6. Row 7 / Column 1 → 5 (Naked Single)
7. Row 7 / Column 2 → 3 (Full House)
8. Row 9 / Column 2 → 3 (Full House)
9. Row 7 / Column 7 → 2 (Naked Single)
10. Row 7 / Column 5 → 1 (Full House)
11. Row 9 / Column 4 → 2 (Naked Single)
12. Row 1 / Column 3 → 6 (Hidden Single)
13. Row 2 / Column 1 → 4 (Hidden Single)
14. Row 6 / Column 2 → 8 (Hidden Single)
15. Row 1 / Column 2 → 5 (Hidden Single)
16. Row 5 / Column 3 → 2 (Hidden Single)
17. Row 5 / Column 1 → 7 (Naked Single)
18. Row 4 / Column 3 → 1 (Naked Single)
19. Row 2 / Column 3 → 7 (Full House)
20. Row 5 / Column 2 → 4 (Full House)
21. Row 4 / Column 4 → 5 (Naked Single)
22. Row 2 / Column 8 → 3 (Naked Single)
23. Row 3 / Column 2 → 1 (Naked Single)
24. Row 4 / Column 6 → 8 (Naked Single)
25. Row 5 / Column 6 → 1 (Naked Single)
26. Row 1 / Column 8 → 7 (Naked Single)
27. Row 2 / Column 4 → 1 (Naked Single)
28. Row 1 / Column 6 → 3 (Naked Single)
29. Row 2 / Column 6 → 5 (Full House)
30. Row 2 / Column 7 → 8 (Full House)
31. Row 3 / Column 8 → 6 (Full House)
32. Row 3 / Column 7 → 6 (Full House)
33. Row 5 / Column 8 → 5 (Full House)
34. Row 5 / Column 7 → 5 (Full House)
35. Row 9 / Column 8 → 4 (Full House)
36. Row 9 / Column 7 → 4 (Full House)
37. Row 1 / Column 4 → 3 (Naked Single)
38. Row 4 / Column 7 → 7 (Naked Single)
39. Row 4 / Column 5 → 4 (Full House)
40. Row 6 / Column 7 → 7 (Full House)
41. Row 6 / Column 5 → 7 (Full House)
42. Give Up: Don't know how to proceed!