puzzles have double numbers

[GoogleCodeExporter]

What steps will reproduce the problem?
1.hard puzzle 3,4,5 all have double number flaws. 
2.solving the puzzle gives double numbers
3.

What is the expected output? What do you see instead?
See attached

What version of the product are you using? On what operating system?1


Please provide any additional information below.
In attached

Original issue reported on code.google.com by cvdh...@gmail.com on 29 Dec 2013 at 2:45

Attachments:

• Screenshot_2013-12-29-06-42-09.png
• [2013-12-29 06.41.01.png](https://storage.googleapis.com/google-code-attachments/opensudoku-android/issue-178/comment-0/2013-12-29 06.41.01.png)
• Screenshot_2013-12-29-06-41-00.png