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

This Sudoku Puzzle has 60 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Single, Full House, undefined techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 4 / Column 4 → 2 (Hidden Single)
2. Row 8 / Column 8 → 3 (Hidden Single)
3. Row 2 / Column 2 → 2 (Hidden Single)
4. Row 9 / Column 5 → 9 (Hidden Single)
5. Row 4 / Column 5 → 6 (Hidden Single)
6. Row 3 / Column 4 → 6 (Hidden Single)
7. Row 7 / Column 6 → 3 (Hidden Single)
8. Row 9 / Column 8 → 2 (Hidden Single)
9. Row 9 / Column 9 → 1 (Hidden Single)
10. Row 7 / Column 1 → 2 (Hidden Single)
11. Locked Candidates Type 1 (Pointing): 4 in b2 => r2c78<>4
12. Row 2 / Column 8 → 7 (Naked Single)
13. Row 2 / Column 7 → 9 (Naked Single)
14. Row 6 / Column 8 → 8 (Naked Single)
15. Row 4 / Column 8 → 4 (Full House)
16. Row 1 / Column 9 → 4 (Naked Single)
17. Row 1 / Column 7 → 3 (Naked Single)
18. Row 6 / Column 4 → 9 (Hidden Single)
19. Row 6 / Column 2 → 5 (Naked Single)
20. Row 6 / Column 7 → 7 (Naked Single)
21. Row 6 / Column 6 → 1 (Full House)
22. Row 3 / Column 6 → 9 (Hidden Single)
23. Row 8 / Column 9 → 7 (Hidden Single)
24. Locked Candidates Type 1 (Pointing): 7 in b2 => r5c5<>7
25. W-Wing: 8/5 in r5c5,r7c9 connected by 5 in r4c69 => r7c5<>8
26. Row 5 / Column 5 → 8 (Hidden Single)
27. Row 8 / Column 6 → 8 (Hidden Single)
28. Row 8 / Column 2 → 6 (Naked Single)
29. Row 1 / Column 2 → 9 (Naked Single)
30. Row 4 / Column 2 → 8 (Full House)
31. Row 1 / Column 1 → 7 (Naked Single)
32. Row 1 / Column 5 → 1 (Naked Single)
33. Row 1 / Column 3 → 6 (Full House)
34. Row 7 / Column 5 → 5 (Naked Single)
35. Row 3 / Column 5 → 7 (Full House)
36. Row 7 / Column 9 → 8 (Naked Single)
37. Row 8 / Column 4 → 4 (Naked Single)
38. Row 7 / Column 4 → 1 (Full House)
39. Row 2 / Column 4 → 5 (Full House)
40. Row 8 / Column 7 → 5 (Full House)
41. Row 2 / Column 6 → 4 (Full House)
42. Row 2 / Column 3 → 1 (Full House)
43. Row 3 / Column 9 → 2 (Naked Single)
44. Row 3 / Column 7 → 8 (Full House)
45. Row 7 / Column 3 → 4 (Naked Single)
46. Row 7 / Column 7 → 6 (Full House)
47. Row 9 / Column 7 → 4 (Full House)
48. Row 5 / Column 7 → 2 (Full House)
49. Row 5 / Column 3 → 7 (Naked Single)
50. Row 9 / Column 1 → 5 (Naked Single)
51. Row 9 / Column 3 → 8 (Full House)
52. Row 4 / Column 3 → 3 (Naked Single)
53. Row 3 / Column 3 → 5 (Full House)
54. Row 3 / Column 1 → 3 (Full House)
55. Row 5 / Column 6 → 5 (Naked Single)
56. Row 4 / Column 6 → 7 (Full House)
57. Row 4 / Column 1 → 9 (Naked Single)
58. Row 4 / Column 9 → 5 (Full House)
59. Row 5 / Column 9 → 9 (Full House)
60. Row 5 / Column 1 → 4 (Full House)