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

This Sudoku Puzzle has 61 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Naked Single, Skyscraper, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 8 / Column 9 → 2 (Hidden Single)
2. Row 2 / Column 7 → 5 (Hidden Single)
3. Row 9 / Column 9 → 5 (Hidden Single)
4. Row 4 / Column 5 → 5 (Hidden Single)
5. Row 5 / Column 1 → 5 (Hidden Single)
6. Locked Candidates Type 1 (Pointing): 1 in b3 => r46c9<>1
7. Locked Candidates Type 2 (Claiming): 4 in c4 => r7c56,r8c56,r9c6<>4
8. Row 8 / Column 3 → 4 (Hidden Single)
9. Naked Triple: 4,7,9 in r179c8 => r345c8<>7, r34c8<>9
10. Row 3 / Column 8 → 3 (Naked Single)
11. Row 4 / Column 9 → 3 (Hidden Single)
12. Naked Triple: 1,7,9 in r2c139 => r2c56<>7, r2c6<>9
13. Skyscraper: 9 in r2c9,r4c7 (connected by r24c3) => r6c9<>9
14. Row 6 / Column 9 → 7 (Naked Single)
15. Row 1 / Column 8 → 7 (Hidden Single)
16. Row 9 / Column 8 → 4 (Naked Single)
17. Row 7 / Column 8 → 9 (Naked Single)
18. Row 8 / Column 7 → 7 (Full House)
19. Row 7 / Column 4 → 4 (Hidden Single)
20. Row 8 / Column 6 → 9 (Hidden Single)
21. Row 7 / Column 5 → 7 (Hidden Single)
22. Row 9 / Column 4 → 1 (Naked Single)
23. Row 7 / Column 6 → 3 (Naked Single)
24. Row 2 / Column 6 → 4 (Naked Single)
25. Row 8 / Column 5 → 6 (Naked Single)
26. Row 9 / Column 6 → 8 (Full House)
27. Row 2 / Column 5 → 3 (Naked Single)
28. Row 6 / Column 5 → 4 (Full House)
29. Row 8 / Column 1 → 8 (Naked Single)
30. Row 8 / Column 2 → 3 (Full House)
31. Row 9 / Column 3 → 7 (Naked Single)
32. Row 9 / Column 2 → 6 (Full House)
33. Row 5 / Column 3 → 3 (Hidden Single)
34. Row 2 / Column 1 → 7 (Hidden Single)
35. Row 5 / Column 2 → 7 (Hidden Single)
36. Row 5 / Column 4 → 2 (Naked Single)
37. Row 1 / Column 4 → 9 (Naked Single)
38. Row 3 / Column 4 → 7 (Full House)
39. Row 5 / Column 8 → 6 (Naked Single)
40. Row 4 / Column 8 → 2 (Full House)
41. Row 3 / Column 6 → 5 (Naked Single)
42. Row 1 / Column 6 → 2 (Full House)
43. Row 5 / Column 6 → 1 (Naked Single)
44. Row 5 / Column 7 → 8 (Full House)
45. Row 6 / Column 6 → 6 (Naked Single)
46. Row 4 / Column 6 → 7 (Full House)
47. Row 6 / Column 1 → 1 (Naked Single)
48. Row 4 / Column 1 → 6 (Full House)
49. Row 4 / Column 3 → 9 (Naked Single)
50. Row 4 / Column 7 → 1 (Full House)
51. Row 6 / Column 7 → 9 (Full House)
52. Row 2 / Column 3 → 1 (Naked Single)
53. Row 2 / Column 9 → 9 (Full House)
54. Row 3 / Column 9 → 1 (Full House)
55. Row 3 / Column 2 → 9 (Full House)
56. Row 6 / Column 2 → 8 (Naked Single)
57. Row 6 / Column 3 → 2 (Full House)
58. Row 7 / Column 3 → 5 (Naked Single)
59. Row 1 / Column 3 → 8 (Full House)
60. Row 1 / Column 2 → 5 (Full House)
61. Row 7 / Column 2 → 1 (Full House)