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

This Sudoku Puzzle has 59 steps and it is solved using Hidden Single, Naked Single, Locked Candidates Type 1 (Pointing), Skyscraper, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 3 / Column 2 → 4 (Hidden Single)
2. Row 1 / Column 9 → 4 (Hidden Single)
3. Row 1 / Column 4 → 7 (Hidden Single)
4. Row 5 / Column 4 → 2 (Hidden Single)
5. Row 1 / Column 6 → 2 (Hidden Single)
6. Row 1 / Column 7 → 8 (Naked Single)
7. Row 1 / Column 8 → 1 (Naked Single)
8. Row 3 / Column 8 → 3 (Naked Single)
9. Row 5 / Column 3 → 4 (Hidden Single)
10. Row 8 / Column 4 → 4 (Hidden Single)
11. Row 4 / Column 5 → 4 (Hidden Single)
12. Row 8 / Column 8 → 2 (Hidden Single)
13. Row 1 / Column 5 → 9 (Hidden Single)
14. Row 9 / Column 6 → 9 (Hidden Single)
15. Row 4 / Column 9 → 1 (Hidden Single)
16. Row 2 / Column 5 → 3 (Hidden Single)
17. Row 5 / Column 1 → 1 (Hidden Single)
18. Row 2 / Column 1 → 8 (Naked Single)
19. Row 2 / Column 3 → 1 (Naked Single)
20. Row 5 / Column 8 → 9 (Hidden Single)
21. Locked Candidates Type 1 (Pointing): 3 in b5 => r7c6<>3
22. Skyscraper: 8 in r4c6,r8c5 (connected by r48c3) => r6c5,r7c6<>8
23. Row 6 / Column 5 → 6 (Naked Single)
24. Row 5 / Column 6 → 3 (Naked Single)
25. Row 4 / Column 6 → 8 (Full House)
26. Row 6 / Column 1 → 5 (Naked Single)
27. Row 3 / Column 6 → 5 (Naked Single)
28. Row 7 / Column 6 → 6 (Full House)
29. Row 5 / Column 2 → 6 (Naked Single)
30. Row 5 / Column 7 → 5 (Full House)
31. Row 1 / Column 2 → 5 (Naked Single)
32. Row 1 / Column 3 → 6 (Full House)
33. Row 4 / Column 1 → 9 (Naked Single)
34. Row 8 / Column 1 → 6 (Full House)
35. Row 8 / Column 7 → 3 (Naked Single)
36. Row 8 / Column 9 → 5 (Naked Single)
37. Row 8 / Column 5 → 8 (Naked Single)
38. Row 8 / Column 3 → 9 (Full House)
39. Row 9 / Column 9 → 7 (Naked Single)
40. Row 3 / Column 5 → 1 (Naked Single)
41. Row 3 / Column 4 → 8 (Full House)
42. Row 7 / Column 5 → 5 (Full House)
43. Row 9 / Column 4 → 3 (Naked Single)
44. Row 7 / Column 4 → 1 (Full House)
45. Row 2 / Column 9 → 2 (Naked Single)
46. Row 2 / Column 7 → 7 (Full House)
47. Row 6 / Column 9 → 3 (Full House)
48. Row 7 / Column 8 → 8 (Naked Single)
49. Row 9 / Column 8 → 6 (Full House)
50. Row 4 / Column 8 → 7 (Full House)
51. Row 9 / Column 2 → 8 (Naked Single)
52. Row 9 / Column 3 → 5 (Full House)
53. Row 4 / Column 7 → 6 (Naked Single)
54. Row 6 / Column 7 → 2 (Full House)
55. Row 4 / Column 3 → 3 (Full House)
56. Row 6 / Column 2 → 7 (Naked Single)
57. Row 6 / Column 3 → 8 (Full House)
58. Row 7 / Column 3 → 7 (Full House)
59. Row 7 / Column 2 → 3 (Full House)