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

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

Try To Solve This Puzzle

## Solution Steps:

1. Row 9 / Column 4 → 2 (Naked Single)
2. Row 9 / Column 2 → 9 (Naked Single)
3. Row 9 / Column 6 → 4 (Naked Single)
4. Row 9 / Column 8 → 8 (Full House)
5. Row 7 / Column 8 → 1 (Hidden Single)
6. Row 7 / Column 2 → 2 (Naked Single)
7. Row 5 / Column 2 → 6 (Naked Single)
8. Row 7 / Column 1 → 7 (Naked Single)
9. Row 1 / Column 2 → 5 (Naked Single)
10. Row 3 / Column 2 → 1 (Full House)
11. Row 7 / Column 3 → 3 (Naked Single)
12. Row 1 / Column 5 → 4 (Hidden Single)
13. Row 6 / Column 9 → 8 (Hidden Single)
14. Row 6 / Column 3 → 7 (Hidden Single)
15. Row 2 / Column 6 → 1 (Hidden Single)
16. Row 6 / Column 4 → 1 (Hidden Single)
17. Row 7 / Column 9 → 4 (Hidden Single)
18. Locked Candidates Type 1 (Pointing): 8 in b2 => r1c3<>8
19. X-Wing: 3 r24 c57 => r5c7,r8c5<>3
20. Naked Pair: 5,9 in r7c6,r8c5 => r78c4,r8c6<>5, r8c6<>9
21. Row 7 / Column 4 → 6 (Naked Single)
22. Row 3 / Column 4 → 5 (Hidden Single)
23. Row 6 / Column 8 → 5 (Hidden Single)
24. Row 4 / Column 5 → 5 (Hidden Single)
25. Row 8 / Column 5 → 9 (Naked Single)
26. Row 6 / Column 5 → 2 (Naked Single)
27. Row 2 / Column 5 → 3 (Full House)
28. Row 7 / Column 6 → 5 (Naked Single)
29. Row 7 / Column 7 → 9 (Full House)
30. Row 6 / Column 6 → 9 (Naked Single)
31. Row 6 / Column 1 → 4 (Naked Single)
32. Row 6 / Column 7 → 6 (Full House)
33. Row 8 / Column 7 → 5 (Naked Single)
34. Row 8 / Column 9 → 6 (Full House)
35. Row 2 / Column 7 → 2 (Naked Single)
36. Row 2 / Column 1 → 8 (Naked Single)
37. Row 2 / Column 9 → 5 (Naked Single)
38. Row 2 / Column 3 → 6 (Full House)
39. Row 4 / Column 7 → 3 (Naked Single)
40. Row 5 / Column 7 → 4 (Full House)
41. Row 8 / Column 1 → 1 (Naked Single)
42. Row 8 / Column 3 → 8 (Full House)
43. Row 5 / Column 8 → 9 (Naked Single)
44. Row 4 / Column 9 → 2 (Full House)
45. Row 1 / Column 8 → 6 (Naked Single)
46. Row 3 / Column 8 → 3 (Full House)
47. Row 5 / Column 3 → 2 (Naked Single)
48. Row 4 / Column 1 → 9 (Naked Single)
49. Row 3 / Column 1 → 2 (Full House)
50. Row 4 / Column 3 → 1 (Full House)
51. Row 1 / Column 3 → 9 (Naked Single)
52. Row 3 / Column 3 → 4 (Full House)
53. Row 3 / Column 6 → 7 (Naked Single)
54. Row 3 / Column 9 → 9 (Full House)
55. Row 1 / Column 9 → 7 (Full House)
56. Row 1 / Column 4 → 8 (Naked Single)
57. Row 1 / Column 6 → 2 (Full House)
58. Row 8 / Column 6 → 3 (Naked Single)
59. Row 5 / Column 6 → 8 (Full House)
60. Row 5 / Column 4 → 3 (Full House)
61. Row 8 / Column 4 → 7 (Full House)