# Solution for Hard Sudoku #2378926315420

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

This Sudoku Puzzle has 51 steps and it is solved using Hidden Single, Naked Single, Full House techniques.

Try To Solve This Puzzle

## Solution Steps:

1. Row 2 / Column 6 → 6 (Hidden Single)
2. Row 3 / Column 2 → 6 (Hidden Single)
3. Row 8 / Column 7 → 6 (Hidden Single)
4. Row 5 / Column 5 → 7 (Hidden Single)
5. Row 8 / Column 4 → 2 (Hidden Single)
6. Row 8 / Column 9 → 1 (Hidden Single)
7. Row 5 / Column 1 → 6 (Hidden Single)
8. Row 6 / Column 3 → 2 (Hidden Single)
9. Row 9 / Column 2 → 2 (Hidden Single)
10. Row 9 / Column 7 → 9 (Naked Single)
11. Row 9 / Column 5 → 1 (Naked Single)
12. Row 9 / Column 6 → 3 (Full House)
13. Row 5 / Column 6 → 9 (Naked Single)
14. Row 5 / Column 4 → 3 (Naked Single)
15. Row 7 / Column 6 → 8 (Naked Single)
16. Row 8 / Column 6 → 5 (Naked Single)
17. Row 6 / Column 6 → 1 (Full House)
18. Row 8 / Column 5 → 9 (Full House)
19. Row 4 / Column 4 → 5 (Full House)
20. Row 6 / Column 1 → 4 (Naked Single)
21. Row 4 / Column 7 → 7 (Naked Single)
22. Row 5 / Column 2 → 8 (Naked Single)
23. Row 6 / Column 7 → 5 (Naked Single)
24. Row 6 / Column 9 → 9 (Full House)
25. Row 4 / Column 9 → 8 (Naked Single)
26. Row 7 / Column 7 → 2 (Naked Single)
27. Row 2 / Column 7 → 4 (Full House)
28. Row 4 / Column 3 → 3 (Naked Single)
29. Row 4 / Column 1 → 1 (Full House)
30. Row 5 / Column 9 → 2 (Naked Single)
31. Row 5 / Column 8 → 4 (Full House)
32. Row 3 / Column 9 → 7 (Naked Single)
33. Row 2 / Column 9 → 5 (Full House)
34. Row 7 / Column 8 → 7 (Naked Single)
35. Row 7 / Column 1 → 9 (Full House)
36. Row 8 / Column 8 → 8 (Full House)
37. Row 1 / Column 8 → 9 (Naked Single)
38. Row 2 / Column 8 → 2 (Full House)
39. Row 2 / Column 2 → 3 (Naked Single)
40. Row 8 / Column 2 → 4 (Full House)
41. Row 2 / Column 5 → 8 (Naked Single)
42. Row 1 / Column 5 → 5 (Full House)
43. Row 1 / Column 4 → 4 (Naked Single)
44. Row 1 / Column 3 → 8 (Full House)
45. Row 2 / Column 1 → 7 (Naked Single)
46. Row 8 / Column 1 → 3 (Full House)
47. Row 8 / Column 3 → 7 (Full House)
48. Row 3 / Column 4 → 9 (Naked Single)
49. Row 2 / Column 4 → 1 (Full House)
50. Row 2 / Column 3 → 9 (Full House)
51. Row 3 / Column 3 → 4 (Full House)