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

This Sudoku Puzzle has 60 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), undefined, Naked Single, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 3 / Column 6 → 4 (Hidden Single)
2. Row 1 / Column 4 → 3 (Hidden Single)
3. Row 2 / Column 7 → 6 (Hidden Single)
4. Row 4 / Column 2 → 6 (Hidden Single)
5. Row 9 / Column 8 → 6 (Hidden Single)
6. Row 8 / Column 1 → 1 (Hidden Single)
7. Row 2 / Column 4 → 9 (Hidden Single)
8. Row 8 / Column 4 → 6 (Hidden Single)
9. Row 6 / Column 6 → 6 (Hidden Single)
10. Row 5 / Column 8 → 4 (Hidden Single)
11. Row 6 / Column 1 → 4 (Hidden Single)
12. Row 4 / Column 1 → 9 (Hidden Single)
13. Row 7 / Column 8 → 9 (Hidden Single)
14. Row 6 / Column 7 → 9 (Hidden Single)
15. Locked Candidates Type 1 (Pointing): 5 in b3 => r46c9<>5
16. X-Wing: 8 r24 c35 => r1c3,r8c5<>8
17. Row 8 / Column 9 → 8 (Hidden Single)
18. Row 8 / Column 3 → 4 (Hidden Single)
19. Row 9 / Column 9 → 4 (Hidden Single)
20. Row 6 / Column 9 → 3 (Hidden Single)
21. Row 5 / Column 2 → 3 (Hidden Single)
22. Row 1 / Column 2 → 8 (Hidden Single)
23. Row 1 / Column 6 → 2 (Naked Single)
24. Row 1 / Column 8 → 1 (Naked Single)
25. Row 3 / Column 4 → 7 (Naked Single)
26. Row 2 / Column 5 → 8 (Full House)
27. Row 1 / Column 9 → 5 (Naked Single)
28. Row 1 / Column 3 → 9 (Full House)
29. Row 3 / Column 8 → 2 (Naked Single)
30. Row 2 / Column 9 → 7 (Full House)
31. Row 3 / Column 2 → 1 (Full House)
32. Row 4 / Column 8 → 7 (Full House)
33. Row 4 / Column 3 → 8 (Hidden Single)
34. Row 9 / Column 2 → 9 (Hidden Single)
35. Row 5 / Column 6 → 7 (Hidden Single)
36. Row 9 / Column 6 → 5 (Naked Single)
37. Row 7 / Column 6 → 8 (Full House)
38. Row 4 / Column 7 → 5 (Hidden Single)
39. Row 5 / Column 7 → 2 (Naked Single)
40. Row 4 / Column 9 → 1 (Full House)
41. Row 4 / Column 5 → 2 (Full House)
42. Row 7 / Column 9 → 2 (Full House)
43. Row 5 / Column 1 → 5 (Naked Single)
44. Row 2 / Column 1 → 2 (Full House)
45. Row 5 / Column 4 → 8 (Full House)
46. Row 2 / Column 3 → 5 (Full House)
47. Row 6 / Column 5 → 1 (Naked Single)
48. Row 6 / Column 4 → 5 (Full House)
49. Row 7 / Column 4 → 1 (Naked Single)
50. Row 9 / Column 4 → 2 (Full House)
51. Row 7 / Column 7 → 7 (Naked Single)
52. Row 7 / Column 2 → 5 (Full House)
53. Row 9 / Column 3 → 7 (Naked Single)
54. Row 6 / Column 3 → 2 (Full House)
55. Row 8 / Column 2 → 2 (Full House)
56. Row 6 / Column 2 → 7 (Full House)
57. Row 8 / Column 7 → 3 (Naked Single)
58. Row 8 / Column 5 → 7 (Full House)
59. Row 9 / Column 5 → 3 (Full House)
60. Row 9 / Column 7 → 1 (Full House)