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

This Sudoku Puzzle has 56 steps and it is solved using Hidden Single, Naked Single, Locked Pair, Locked Candidates Type 1 (Pointing), Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 3 / Column 9 → 2 (Hidden Single)
2. Row 7 / Column 7 → 6 (Hidden Single)
3. Row 8 / Column 4 → 9 (Hidden Single)
4. Row 7 / Column 8 → 4 (Hidden Single)
5. Row 6 / Column 8 → 7 (Naked Single)
6. Row 6 / Column 7 → 4 (Naked Single)
7. Locked Pair: 1,5 in r5c78 => r4c9,r5c456<>1
8. Row 5 / Column 4 → 4 (Naked Single)
9. Locked Candidates Type 1 (Pointing): 3 in b9 => r23c7<>3
10. Locked Candidates Type 1 (Pointing): 7 in b9 => r8c3<>7
11. Row 8 / Column 3 → 3 (Naked Single)
12. Row 9 / Column 2 → 9 (Naked Single)
13. Row 9 / Column 7 → 3 (Hidden Single)
14. Row 5 / Column 3 → 9 (Hidden Single)
15. Row 2 / Column 1 → 9 (Hidden Single)
16. Row 9 / Column 9 → 5 (Hidden Single)
17. Row 3 / Column 7 → 9 (Hidden Single)
18. Row 7 / Column 3 → 2 (Hidden Single)
19. Row 9 / Column 1 → 1 (Naked Single)
20. Row 9 / Column 5 → 2 (Full House)
21. Row 7 / Column 1 → 7 (Naked Single)
22. Row 7 / Column 2 → 8 (Full House)
23. Row 5 / Column 5 → 7 (Naked Single)
24. Row 5 / Column 2 → 6 (Naked Single)
25. Row 5 / Column 6 → 2 (Naked Single)
26. Row 6 / Column 1 → 2 (Hidden Single)
27. Row 2 / Column 6 → 3 (Hidden Single)
28. Row 6 / Column 6 → 6 (Naked Single)
29. Row 4 / Column 6 → 1 (Naked Single)
30. Row 6 / Column 9 → 8 (Naked Single)
31. Row 6 / Column 4 → 3 (Full House)
32. Row 4 / Column 4 → 8 (Full House)
33. Row 7 / Column 6 → 5 (Naked Single)
34. Row 3 / Column 6 → 7 (Full House)
35. Row 4 / Column 9 → 6 (Naked Single)
36. Row 7 / Column 4 → 1 (Naked Single)
37. Row 3 / Column 4 → 5 (Full House)
38. Row 7 / Column 5 → 3 (Full House)
39. Row 3 / Column 2 → 3 (Naked Single)
40. Row 4 / Column 2 → 7 (Full House)
41. Row 1 / Column 1 → 4 (Naked Single)
42. Row 4 / Column 1 → 3 (Full House)
43. Row 4 / Column 3 → 4 (Full House)
44. Row 3 / Column 8 → 1 (Naked Single)
45. Row 1 / Column 5 → 1 (Naked Single)
46. Row 3 / Column 5 → 4 (Full House)
47. Row 3 / Column 3 → 8 (Full House)
48. Row 1 / Column 9 → 7 (Naked Single)
49. Row 8 / Column 9 → 1 (Full House)
50. Row 8 / Column 7 → 7 (Full House)
51. Row 5 / Column 8 → 5 (Naked Single)
52. Row 1 / Column 8 → 3 (Full House)
53. Row 1 / Column 3 → 5 (Full House)
54. Row 2 / Column 7 → 5 (Full House)
55. Row 5 / Column 7 → 1 (Full House)
56. Row 2 / Column 3 → 7 (Full House)