Appearing different posts in different pages

Hi, have this page: [URL=”http://justitext.com/test”]http://justitext.com/test[/URL]

Check the first posts and click at them.Every text-link forwards to another page in which you will see a post.What i want is to make every different post to be appeared each time on every link.If you see in each link,the same post is appeared as i cannot adjust a different offset each time.More specifically,i have set on my code an include file and through this i generate the same page but unfortunately with the same most recent post.How can i fix this?

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