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

This Sudoku Puzzle has 63 steps and it is solved using Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, undefined, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 5 / Column 3 → 9 (Naked Single)
2. Row 3 / Column 8 → 7 (Hidden Single)
3. Row 5 / Column 6 → 3 (Hidden Single)
4. Row 4 / Column 2 → 3 (Hidden Single)
5. Row 1 / Column 1 → 3 (Hidden Single)
6. Row 6 / Column 1 → 7 (Hidden Single)
7. Row 9 / Column 6 → 6 (Hidden Single)
8. Row 4 / Column 5 → 6 (Hidden Single)
9. Row 9 / Column 8 → 1 (Hidden Single)
10. Row 7 / Column 8 → 5 (Hidden Single)
11. Locked Candidates Type 1 (Pointing): 8 in b6 => r79c7<>8
12. Locked Candidates Type 1 (Pointing): 9 in b7 => r2c1<>9
13. Locked Candidates Type 1 (Pointing): 2 in b8 => r1c4<>2
14. Locked Candidates Type 1 (Pointing): 4 in b8 => r146c4<>4
15. Locked Candidates Type 2 (Claiming): 4 in c8 => r4c9,r6c7<>4
16. Locked Candidates Type 2 (Claiming): 9 in c8 => r4c9,r6c7<>9
17. Naked Triple: 1,2,8 in r367c2 => r12c2<>1, r1c2<>2, r2c2<>8
18. Locked Candidates Type 1 (Pointing): 8 in b1 => r3c6<>8
19. W-Wing: 5/1 in r1c4,r2c1 connected by 1 in r12c7 => r1c3,r2c56<>5
20. Row 2 / Column 1 → 5 (Hidden Single)
21. W-Wing: 2/1 in r3c1,r4c3 connected by 1 in r8c13 => r13c3<>2
22. Row 1 / Column 6 → 2 (Hidden Single)
23. Row 1 / Column 4 → 5 (Hidden Single)
24. Row 6 / Column 6 → 5 (Hidden Single)
25. Row 9 / Column 3 → 5 (Hidden Single)
26. Row 8 / Column 5 → 5 (Hidden Single)
27. Row 2 / Column 6 → 8 (Hidden Single)
28. Row 2 / Column 5 → 4 (Naked Single)
29. Row 3 / Column 6 → 1 (Full House)
30. Row 6 / Column 5 → 8 (Full House)
31. Row 4 / Column 6 → 4 (Full House)
32. Row 3 / Column 1 → 2 (Naked Single)
33. Row 5 / Column 4 → 7 (Naked Single)
34. Row 5 / Column 7 → 8 (Full House)
35. Row 6 / Column 7 → 2 (Naked Single)
36. Row 4 / Column 8 → 9 (Naked Single)
37. Row 6 / Column 8 → 4 (Full House)
38. Row 4 / Column 9 → 7 (Full House)
39. Row 3 / Column 2 → 8 (Naked Single)
40. Row 3 / Column 3 → 4 (Full House)
41. Row 9 / Column 1 → 9 (Naked Single)
42. Row 8 / Column 1 → 1 (Full House)
43. Row 6 / Column 2 → 1 (Naked Single)
44. Row 4 / Column 3 → 2 (Full House)
45. Row 4 / Column 4 → 1 (Full House)
46. Row 6 / Column 4 → 9 (Full House)
47. Row 7 / Column 2 → 2 (Naked Single)
48. Row 8 / Column 3 → 8 (Full House)
49. Row 1 / Column 3 → 1 (Full House)
50. Row 9 / Column 7 → 4 (Naked Single)
51. Row 8 / Column 4 → 2 (Naked Single)
52. Row 8 / Column 9 → 9 (Full House)
53. Row 1 / Column 7 → 9 (Naked Single)
54. Row 7 / Column 7 → 7 (Naked Single)
55. Row 2 / Column 7 → 1 (Full House)
56. Row 7 / Column 9 → 8 (Naked Single)
57. Row 7 / Column 4 → 4 (Full House)
58. Row 9 / Column 4 → 8 (Full House)
59. Row 9 / Column 9 → 2 (Full House)
60. Row 2 / Column 9 → 6 (Naked Single)
61. Row 1 / Column 9 → 4 (Full House)
62. Row 1 / Column 2 → 6 (Full House)
63. Row 2 / Column 2 → 9 (Full House)