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

This Sudoku Puzzle has 47 steps and it is solved using Naked Single, Locked Candidates Type 1 (Pointing), Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 6 / Column 9 → 5 (Naked Single)
2. Locked Candidates Type 1 (Pointing): 2 in b1 => r1c46<>2
3. Row 1 / Column 4 → 1 (Naked Single)
4. Locked Candidates Type 1 (Pointing): 4 in b1 => r3c46<>4
5. Row 3 / Column 4 → 9 (Naked Single)
6. Row 2 / Column 5 → 6 (Naked Single)
7. Row 2 / Column 9 → 8 (Naked Single)
8. Row 2 / Column 8 → 5 (Naked Single)
9. Row 4 / Column 9 → 3 (Naked Single)
10. Row 8 / Column 9 → 6 (Full House)
11. Row 2 / Column 1 → 1 (Naked Single)
12. Row 8 / Column 8 → 2 (Naked Single)
13. Row 8 / Column 7 → 3 (Full House)
14. Row 2 / Column 7 → 9 (Naked Single)
15. Row 3 / Column 1 → 8 (Naked Single)
16. Row 6 / Column 8 → 7 (Naked Single)
17. Row 3 / Column 6 → 7 (Naked Single)
18. Row 1 / Column 8 → 6 (Naked Single)
19. Row 5 / Column 8 → 8 (Full House)
20. Row 4 / Column 7 → 2 (Naked Single)
21. Row 5 / Column 7 → 6 (Full House)
22. Row 1 / Column 5 → 3 (Naked Single)
23. Row 1 / Column 7 → 7 (Naked Single)
24. Row 3 / Column 7 → 1 (Full House)
25. Row 4 / Column 6 → 4 (Naked Single)
26. Row 1 / Column 6 → 8 (Naked Single)
27. Row 5 / Column 5 → 7 (Naked Single)
28. Row 4 / Column 5 → 9 (Full House)
29. Row 2 / Column 6 → 2 (Naked Single)
30. Row 2 / Column 4 → 4 (Full House)
31. Row 4 / Column 4 → 5 (Naked Single)
32. Row 5 / Column 4 → 2 (Full House)
33. Row 5 / Column 1 → 5 (Naked Single)
34. Row 7 / Column 1 → 7 (Full House)
35. Row 6 / Column 6 → 1 (Naked Single)
36. Row 5 / Column 6 → 3 (Full House)
37. Row 6 / Column 3 → 2 (Full House)
38. Row 4 / Column 2 → 7 (Naked Single)
39. Row 4 / Column 3 → 8 (Full House)
40. Row 5 / Column 2 → 4 (Naked Single)
41. Row 5 / Column 3 → 1 (Full House)
42. Row 1 / Column 3 → 5 (Naked Single)
43. Row 1 / Column 2 → 2 (Full House)
44. Row 3 / Column 2 → 6 (Naked Single)
45. Row 3 / Column 3 → 4 (Full House)
46. Row 7 / Column 3 → 6 (Full House)
47. Row 7 / Column 2 → 5 (Full House)
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