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

This Sudoku Puzzle has 59 steps and it is solved using Hidden Single, Naked Single, Full House, Locked Candidates Type 2 (Claiming), undefined techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 5 / Column 3 → 1 (Hidden Single)
2. Row 4 / Column 9 → 2 (Hidden Single)
3. Row 8 / Column 9 → 6 (Hidden Single)
4. Row 5 / Column 7 → 6 (Hidden Single)
5. Row 2 / Column 2 → 4 (Hidden Single)
6. Row 2 / Column 8 → 8 (Hidden Single)
7. Row 2 / Column 9 → 9 (Naked Single)
8. Row 5 / Column 1 → 5 (Hidden Single)
9. Row 4 / Column 4 → 6 (Hidden Single)
10. Row 2 / Column 4 → 2 (Naked Single)
11. Row 2 / Column 6 → 5 (Naked Single)
12. Row 2 / Column 3 → 6 (Full House)
13. Row 1 / Column 5 → 6 (Hidden Single)
14. Row 4 / Column 6 → 1 (Hidden Single)
15. Row 1 / Column 6 → 7 (Naked Single)
16. Row 6 / Column 6 → 2 (Hidden Single)
17. Row 6 / Column 1 → 6 (Hidden Single)
18. Row 3 / Column 5 → 1 (Hidden Single)
19. Row 3 / Column 4 → 9 (Full House)
20. Row 3 / Column 9 → 3 (Naked Single)
21. Row 1 / Column 9 → 1 (Hidden Single)
22. Row 8 / Column 4 → 1 (Hidden Single)
23. Row 1 / Column 8 → 4 (Hidden Single)
24. Row 5 / Column 9 → 4 (Hidden Single)
25. Row 8 / Column 8 → 5 (Hidden Single)
26. Row 7 / Column 3 → 5 (Hidden Single)
27. Row 3 / Column 2 → 5 (Hidden Single)
28. Row 3 / Column 7 → 2 (Naked Single)
29. Row 1 / Column 7 → 5 (Full House)
30. Row 3 / Column 1 → 7 (Naked Single)
31. Row 3 / Column 3 → 8 (Full House)
32. Row 6 / Column 2 → 8 (Hidden Single)
33. Locked Candidates Type 2 (Claiming): 7 in r8 => r9c3<>7
34. W-Wing: 3/9 in r8c6,r9c7 connected by 9 in r7c57 => r9c6<>3
35. Row 8 / Column 6 → 3 (Hidden Single)
36. Row 8 / Column 2 → 7 (Naked Single)
37. Row 4 / Column 2 → 3 (Full House)
38. Row 8 / Column 3 → 9 (Full House)
39. Row 4 / Column 8 → 7 (Full House)
40. Row 6 / Column 3 → 7 (Full House)
41. Row 5 / Column 8 → 9 (Naked Single)
42. Row 6 / Column 8 → 3 (Full House)
43. Row 6 / Column 4 → 4 (Naked Single)
44. Row 6 / Column 5 → 9 (Full House)
45. Row 7 / Column 4 → 7 (Full House)
46. Row 5 / Column 6 → 8 (Naked Single)
47. Row 5 / Column 5 → 7 (Full House)
48. Row 9 / Column 6 → 9 (Full House)
49. Row 7 / Column 9 → 8 (Naked Single)
50. Row 9 / Column 9 → 7 (Full House)
51. Row 9 / Column 7 → 3 (Naked Single)
52. Row 7 / Column 7 → 9 (Full House)
53. Row 7 / Column 5 → 4 (Naked Single)
54. Row 7 / Column 1 → 3 (Full House)
55. Row 9 / Column 5 → 8 (Full House)
56. Row 9 / Column 3 → 2 (Naked Single)
57. Row 1 / Column 3 → 3 (Full House)
58. Row 1 / Column 1 → 2 (Full House)
59. Row 9 / Column 1 → 4 (Full House)