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

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

Try To Solve This Puzzle

## Solution Steps:

1. Row 4 / Column 5 → 7 (Naked Single)
2. Row 4 / Column 7 → 8 (Naked Single)
3. Row 6 / Column 5 → 4 (Naked Single)
4. Row 4 / Column 8 → 1 (Naked Single)
5. Row 3 / Column 6 → 5 (Hidden Single)
6. Row 3 / Column 9 → 6 (Hidden Single)
7. Row 4 / Column 9 → 5 (Hidden Single)
8. Row 8 / Column 7 → 6 (Hidden Single)
9. Row 8 / Column 5 → 5 (Hidden Single)
10. Row 7 / Column 9 → 1 (Hidden Single)
11. Row 9 / Column 2 → 5 (Hidden Single)
12. Row 1 / Column 2 → 1 (Hidden Single)
13. Row 2 / Column 4 → 1 (Hidden Single)
14. Locked Candidates Type 1 (Pointing): 9 in b2 => r2c13<>9
15. Locked Candidates Type 1 (Pointing): 3 in b5 => r5c29<>3
16. Row 7 / Column 2 → 3 (Hidden Single)
17. Row 6 / Column 9 → 3 (Hidden Single)
18. Row 7 / Column 3 → 8 (Hidden Single)
19. Row 3 / Column 2 → 8 (Hidden Single)
20. Row 2 / Column 5 → 8 (Hidden Single)
21. Row 1 / Column 5 → 2 (Naked Single)
22. Row 7 / Column 5 → 9 (Full House)
23. Row 7 / Column 1 → 6 (Hidden Single)
24. Row 4 / Column 1 → 3 (Naked Single)
25. Row 4 / Column 3 → 6 (Full House)
26. Row 1 / Column 8 → 8 (Hidden Single)
27. Row 3 / Column 1 → 9 (Hidden Single)
28. Row 2 / Column 9 → 2 (Hidden Single)
29. Row 2 / Column 6 → 9 (Hidden Single)
30. Row 2 / Column 3 → 3 (Hidden Single)
31. Row 8 / Column 1 → 2 (Hidden Single)
32. Locked Candidates Type 1 (Pointing): 9 in b9 => r9c3<>9
33. X-Wing: 4 c17 r29 => r9c3468<>4
34. Locked Candidates Type 1 (Pointing): 4 in b8 => r7c8<>4
35. X-Wing: 7 c29 r58 => r5c8,r8c3<>7
36. W-Wing: 7/4 in r2c7,r5c9 connected by 4 in r35c8 => r6c7<>7
37. Row 6 / Column 7 → 9 (Naked Single)
38. Row 5 / Column 8 → 4 (Naked Single)
39. Row 5 / Column 9 → 7 (Full House)
40. Row 8 / Column 9 → 4 (Full House)
41. Row 3 / Column 8 → 7 (Naked Single)
42. Row 2 / Column 7 → 4 (Full House)
43. Row 9 / Column 7 → 7 (Full House)
44. Row 3 / Column 4 → 4 (Full House)
45. Row 2 / Column 1 → 7 (Full House)
46. Row 1 / Column 3 → 4 (Full House)
47. Row 5 / Column 2 → 9 (Naked Single)
48. Row 8 / Column 2 → 7 (Full House)
49. Row 8 / Column 3 → 9 (Full House)
50. Row 7 / Column 8 → 2 (Naked Single)
51. Row 9 / Column 8 → 9 (Full House)
52. Row 9 / Column 3 → 1 (Naked Single)
53. Row 6 / Column 3 → 7 (Full House)
54. Row 6 / Column 1 → 1 (Full House)
55. Row 9 / Column 1 → 4 (Full House)
56. Row 9 / Column 6 → 3 (Naked Single)
57. Row 9 / Column 4 → 2 (Full House)
58. Row 7 / Column 4 → 7 (Naked Single)
59. Row 7 / Column 6 → 4 (Full House)
60. Row 5 / Column 6 → 6 (Naked Single)
61. Row 1 / Column 6 → 7 (Full House)
62. Row 1 / Column 4 → 6 (Full House)
63. Row 5 / Column 4 → 3 (Full House)