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

This Sudoku Puzzle has 61 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, Naked Triple, Skyscraper techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 6 / Column 6 → 4 (Naked Single)
2. Row 8 / Column 4 → 9 (Naked Single)
3. Row 9 / Column 1 → 3 (Naked Single)
4. Row 3 / Column 6 → 2 (Naked Single)
5. Row 6 / Column 5 → 3 (Naked Single)
6. Row 7 / Column 4 → 4 (Naked Single)
7. Row 8 / Column 6 → 6 (Naked Single)
8. Row 3 / Column 5 → 4 (Naked Single)
9. Row 6 / Column 4 → 1 (Naked Single)
10. Row 2 / Column 4 → 3 (Naked Single)
11. Row 4 / Column 4 → 2 (Full House)
12. Row 9 / Column 5 → 5 (Naked Single)
13. Row 7 / Column 5 → 8 (Full House)
14. Row 1 / Column 5 → 7 (Naked Single)
15. Row 2 / Column 6 → 9 (Full House)
16. Row 5 / Column 5 → 9 (Full House)
17. Row 4 / Column 6 → 7 (Full House)
18. Row 6 / Column 8 → 5 (Naked Single)
19. Row 9 / Column 3 → 9 (Naked Single)
20. Row 6 / Column 2 → 8 (Naked Single)
21. Row 6 / Column 7 → 6 (Full House)
22. Row 4 / Column 1 → 1 (Naked Single)
23. Row 1 / Column 1 → 2 (Naked Single)
24. Row 7 / Column 1 → 7 (Naked Single)
25. Row 5 / Column 1 → 6 (Naked Single)
26. Row 3 / Column 1 → 8 (Full House)
27. Row 4 / Column 7 → 8 (Hidden Single)
28. Row 8 / Column 3 → 8 (Hidden Single)
29. Row 2 / Column 3 → 6 (Hidden Single)
30. Row 3 / Column 9 → 6 (Hidden Single)
31. Row 8 / Column 7 → 7 (Hidden Single)
32. Row 4 / Column 9 → 9 (Hidden Single)
33. Row 7 / Column 7 → 9 (Hidden Single)
34. Row 2 / Column 2 → 7 (Hidden Single)
35. Row 5 / Column 3 → 7 (Hidden Single)
36. Row 1 / Column 7 → 5 (Hidden Single)
37. Locked Candidates Type 1 (Pointing): 4 in b1 => r1c9<>4
38. Naked Pair: 2,4 in r29c7 => r5c7<>2, r5c7<>4
39. Naked Triple: 1,3,5 in r178c9 => r5c9<>1, r5c9<>3
40. Skyscraper: 1 in r3c7,r7c9 (connected by r37c3) => r1c9<>1
41. Row 1 / Column 9 → 3 (Naked Single)
42. Row 3 / Column 7 → 1 (Naked Single)
43. Row 3 / Column 3 → 3 (Full House)
44. Row 5 / Column 7 → 3 (Naked Single)
45. Row 4 / Column 8 → 4 (Naked Single)
46. Row 5 / Column 2 → 4 (Naked Single)
47. Row 2 / Column 8 → 2 (Naked Single)
48. Row 2 / Column 7 → 4 (Full House)
49. Row 9 / Column 7 → 2 (Full House)
50. Row 9 / Column 9 → 4 (Full House)
51. Row 4 / Column 3 → 5 (Naked Single)
52. Row 4 / Column 2 → 3 (Full House)
53. Row 5 / Column 9 → 2 (Naked Single)
54. Row 5 / Column 8 → 1 (Full House)
55. Row 8 / Column 8 → 3 (Full House)
56. Row 1 / Column 2 → 1 (Naked Single)
57. Row 1 / Column 3 → 4 (Full House)
58. Row 7 / Column 3 → 1 (Full House)
59. Row 8 / Column 2 → 5 (Full House)
60. Row 7 / Column 9 → 5 (Full House)
61. Row 8 / Column 9 → 1 (Full House)