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

This Sudoku Puzzle has 63 steps and it is solved using Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Naked Triple, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 9 / Column 7 → 9 (Naked Single)
2. Row 1 / Column 3 → 2 (Hidden Single)
3. Row 3 / Column 9 → 7 (Hidden Single)
4. Row 5 / Column 7 → 1 (Hidden Single)
5. Row 9 / Column 4 → 7 (Hidden Single)
6. Row 7 / Column 7 → 2 (Hidden Single)
7. Row 9 / Column 3 → 5 (Hidden Single)
8. Row 8 / Column 5 → 2 (Hidden Single)
9. Row 9 / Column 5 → 1 (Hidden Single)
10. Row 7 / Column 3 → 1 (Hidden Single)
11. Locked Candidates Type 1 (Pointing): 6 in b1 => r2c79<>6
12. Row 6 / Column 7 → 6 (Hidden Single)
13. Row 7 / Column 5 → 6 (Hidden Single)
14. Row 6 / Column 9 → 5 (Hidden Single)
15. Row 1 / Column 9 → 6 (Hidden Single)
16. Row 8 / Column 8 → 6 (Hidden Single)
17. Row 7 / Column 9 → 3 (Hidden Single)
18. Locked Candidates Type 1 (Pointing): 3 in b6 => r1c8<>3
19. Naked Triple: 3,4,8 in r5c6,r6c45 => r45c4<>3, r4c46,r5c4,r6c6<>8, r6c6<>4
20. Row 6 / Column 6 → 7 (Naked Single)
21. Row 4 / Column 6 → 1 (Naked Single)
22. Row 4 / Column 3 → 7 (Hidden Single)
23. Locked Candidates Type 1 (Pointing): 3 in b5 => r6c38<>3
24. Row 4 / Column 8 → 3 (Hidden Single)
25. Row 4 / Column 2 → 9 (Naked Single)
26. Row 2 / Column 9 → 9 (Hidden Single)
27. Row 1 / Column 8 → 4 (Naked Single)
28. Row 1 / Column 5 → 3 (Naked Single)
29. Row 9 / Column 8 → 8 (Naked Single)
30. Row 6 / Column 8 → 9 (Full House)
31. Row 9 / Column 9 → 4 (Full House)
32. Row 2 / Column 4 → 5 (Naked Single)
33. Row 1 / Column 6 → 9 (Naked Single)
34. Row 2 / Column 7 → 3 (Naked Single)
35. Row 3 / Column 7 → 5 (Full House)
36. Row 1 / Column 4 → 1 (Naked Single)
37. Row 1 / Column 2 → 5 (Full House)
38. Row 7 / Column 6 → 8 (Naked Single)
39. Row 7 / Column 1 → 9 (Full House)
40. Row 3 / Column 4 → 8 (Naked Single)
41. Row 3 / Column 5 → 4 (Full House)
42. Row 6 / Column 5 → 8 (Full House)
43. Row 5 / Column 6 → 4 (Naked Single)
44. Row 8 / Column 6 → 5 (Full House)
45. Row 8 / Column 4 → 9 (Full House)
46. Row 6 / Column 4 → 3 (Naked Single)
47. Row 6 / Column 3 → 4 (Full House)
48. Row 3 / Column 1 → 3 (Naked Single)
49. Row 5 / Column 2 → 3 (Naked Single)
50. Row 2 / Column 3 → 6 (Naked Single)
51. Row 2 / Column 1 → 4 (Full House)
52. Row 3 / Column 2 → 1 (Naked Single)
53. Row 3 / Column 3 → 9 (Full House)
54. Row 8 / Column 2 → 4 (Full House)
55. Row 5 / Column 3 → 8 (Naked Single)
56. Row 8 / Column 3 → 3 (Full House)
57. Row 8 / Column 1 → 8 (Full House)
58. Row 4 / Column 1 → 6 (Naked Single)
59. Row 5 / Column 1 → 5 (Full House)
60. Row 5 / Column 9 → 2 (Naked Single)
61. Row 4 / Column 9 → 8 (Full House)
62. Row 4 / Column 4 → 2 (Full House)
63. Row 5 / Column 4 → 6 (Full House)