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

This Sudoku Puzzle has 68 steps and it is solved using Hidden Single, Naked Single, Locked Pair, Locked Candidates Type 1 (Pointing), Naked Triple, Hidden Pair, Skyscraper, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 5 / Column 6 → 9 (Hidden Single)
2. Row 1 / Column 7 → 4 (Hidden Single)
3. Row 9 / Column 3 → 4 (Hidden Single)
4. Row 5 / Column 4 → 4 (Hidden Single)
5. Row 1 / Column 3 → 9 (Hidden Single)
6. Row 3 / Column 1 → 5 (Naked Single)
7. Row 2 / Column 1 → 1 (Naked Single)
8. Row 3 / Column 9 → 9 (Hidden Single)
9. Row 7 / Column 6 → 4 (Hidden Single)
10. Row 8 / Column 1 → 9 (Hidden Single)
11. Row 2 / Column 5 → 5 (Hidden Single)
12. Row 9 / Column 5 → 9 (Hidden Single)
13. Row 8 / Column 6 → 7 (Hidden Single)
14. Row 7 / Column 7 → 9 (Hidden Single)
15. Row 2 / Column 9 → 2 (Hidden Single)
16. Row 7 / Column 5 → 2 (Hidden Single)
17. Row 3 / Column 4 → 2 (Hidden Single)
18. Row 6 / Column 8 → 2 (Hidden Single)
19. Locked Pair: 3,6 in r23c6 => r1c46,r9c6<>3, r1c46,r9c6<>6
20. Locked Candidates Type 1 (Pointing): 8 in b7 => r4c2<>8
21. Naked Triple: 1,6,8 in r9c269 => r9c48<>1, r9c48<>6, r9c4<>8
22. Hidden Pair: 3,5 in r8c7,r9c8 => r8c7<>6, r8c7<>8
23. Locked Candidates Type 1 (Pointing): 8 in b9 => r46c9<>8
24. Skyscraper: 6 in r1c8,r9c9 (connected by r19c2) => r7c8<>6
25. Locked Candidates Type 1 (Pointing): 6 in b9 => r46c9<>6
26. Locked Candidates Type 1 (Pointing): 6 in b6 => r2c7<>6
27. Naked Triple: 3,5,7 in r258c7 => r4c7<>5, r4c7<>7
28. Row 4 / Column 2 → 5 (Hidden Single)
29. Locked Candidates Type 1 (Pointing): 3 in b4 => r2c3<>3
30. Skyscraper: 7 in r2c7,r4c9 (connected by r24c3) => r5c7<>7
31. Row 5 / Column 7 → 5 (Naked Single)
32. Row 8 / Column 7 → 3 (Naked Single)
33. Row 2 / Column 7 → 7 (Naked Single)
34. Row 9 / Column 8 → 5 (Naked Single)
35. Row 2 / Column 3 → 6 (Naked Single)
36. Row 2 / Column 6 → 3 (Full House)
37. Row 9 / Column 4 → 3 (Naked Single)
38. Row 1 / Column 2 → 3 (Naked Single)
39. Row 3 / Column 2 → 7 (Full House)
40. Row 8 / Column 3 → 1 (Naked Single)
41. Row 3 / Column 6 → 6 (Naked Single)
42. Row 3 / Column 8 → 3 (Full House)
43. Row 1 / Column 8 → 6 (Full House)
44. Row 5 / Column 2 → 1 (Naked Single)
45. Row 5 / Column 8 → 7 (Full House)
46. Row 7 / Column 8 → 1 (Full House)
47. Row 6 / Column 3 → 3 (Naked Single)
48. Row 4 / Column 3 → 7 (Full House)
49. Row 8 / Column 5 → 6 (Naked Single)
50. Row 6 / Column 5 → 1 (Naked Single)
51. Row 4 / Column 5 → 3 (Full House)
52. Row 4 / Column 4 → 6 (Full House)
53. Row 7 / Column 4 → 8 (Naked Single)
54. Row 8 / Column 9 → 8 (Naked Single)
55. Row 8 / Column 4 → 5 (Full House)
56. Row 1 / Column 4 → 1 (Full House)
57. Row 9 / Column 6 → 1 (Full House)
58. Row 1 / Column 6 → 8 (Full House)
59. Row 6 / Column 9 → 4 (Naked Single)
60. Row 4 / Column 7 → 8 (Naked Single)
61. Row 6 / Column 7 → 6 (Full House)
62. Row 4 / Column 9 → 1 (Full House)
63. Row 6 / Column 1 → 8 (Full House)
64. Row 4 / Column 1 → 4 (Full House)
65. Row 7 / Column 2 → 6 (Naked Single)
66. Row 7 / Column 9 → 7 (Full House)
67. Row 9 / Column 9 → 6 (Full House)
68. Row 9 / Column 2 → 8 (Full House)