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

This Sudoku Puzzle has 58 steps and it is solved using Hidden Single, Locked Candidates Type 2 (Claiming), Naked Pair, Naked Single, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 4 / Column 7 → 8 (Hidden Single)
2. Row 3 / Column 2 → 2 (Hidden Single)
3. Row 6 / Column 1 → 6 (Hidden Single)
4. Row 7 / Column 5 → 2 (Hidden Single)
5. Row 8 / Column 7 → 2 (Hidden Single)
6. Locked Candidates Type 2 (Claiming): 3 in c5 => r123c4,r23c6<>3
7. Naked Pair: 3,9 in r1c25 => r1c18<>3, r1c148<>9
8. Row 1 / Column 4 → 6 (Naked Single)
9. Row 7 / Column 8 → 6 (Hidden Single)
10. Row 3 / Column 9 → 6 (Hidden Single)
11. Row 8 / Column 6 → 6 (Hidden Single)
12. Row 7 / Column 7 → 7 (Hidden Single)
13. Row 2 / Column 7 → 9 (Naked Single)
14. Row 3 / Column 7 → 5 (Naked Single)
15. Row 6 / Column 7 → 4 (Full House)
16. Row 1 / Column 8 → 7 (Naked Single)
17. Row 2 / Column 9 → 3 (Full House)
18. Row 1 / Column 1 → 5 (Naked Single)
19. Row 8 / Column 9 → 5 (Hidden Single)
20. Row 9 / Column 8 → 9 (Naked Single)
21. Row 9 / Column 9 → 4 (Full House)
22. Row 9 / Column 5 → 1 (Naked Single)
23. Row 9 / Column 2 → 8 (Naked Single)
24. Row 9 / Column 6 → 5 (Full House)
25. Row 7 / Column 3 → 4 (Hidden Single)
26. Row 6 / Column 3 → 5 (Hidden Single)
27. Row 5 / Column 4 → 4 (Hidden Single)
28. Row 5 / Column 8 → 5 (Hidden Single)
29. Row 5 / Column 1 → 8 (Hidden Single)
30. Row 8 / Column 4 → 8 (Hidden Single)
31. Row 2 / Column 6 → 8 (Hidden Single)
32. Row 4 / Column 2 → 4 (Hidden Single)
33. Row 7 / Column 1 → 1 (Hidden Single)
34. Row 2 / Column 1 → 7 (Naked Single)
35. Row 2 / Column 3 → 1 (Naked Single)
36. Row 2 / Column 4 → 2 (Full House)
37. Row 6 / Column 9 → 7 (Hidden Single)
38. Row 4 / Column 6 → 2 (Hidden Single)
39. Row 4 / Column 8 → 3 (Naked Single)
40. Row 6 / Column 8 → 2 (Full House)
41. Row 4 / Column 1 → 9 (Naked Single)
42. Row 8 / Column 1 → 3 (Full House)
43. Row 8 / Column 3 → 9 (Full House)
44. Row 4 / Column 3 → 7 (Naked Single)
45. Row 4 / Column 9 → 1 (Full House)
46. Row 3 / Column 3 → 3 (Full House)
47. Row 5 / Column 9 → 9 (Full House)
48. Row 1 / Column 2 → 9 (Full House)
49. Row 1 / Column 5 → 3 (Full House)
50. Row 3 / Column 5 → 9 (Full House)
51. Row 6 / Column 2 → 3 (Naked Single)
52. Row 5 / Column 2 → 1 (Full House)
53. Row 5 / Column 6 → 3 (Full House)
54. Row 6 / Column 4 → 9 (Full House)
55. Row 3 / Column 4 → 1 (Naked Single)
56. Row 3 / Column 6 → 7 (Full House)
57. Row 7 / Column 6 → 9 (Full House)
58. Row 7 / Column 4 → 3 (Full House)