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Discussion of Problem 1112. Cover

Why I always WA?
Posted by blue dog 30 Nov 2001 21:09
Re: Why I always WA?
Posted by Yrii 6 Feb 2002 18:56
> so am i
Re: Why I always WA?
Posted by Kit 22 Apr 2005 12:25
I think, you still need help.
This test helped me:

5
1 2
3 10
4 5
7 8
11 12

Good luck!