Problem solving night

HI all

I am going to hold a problem solving night next monday(the 13th). There is a book prize for the winner. Positions will vary from the relatively easy to the really hard but i hope all of them are enjoyable.. I hope you can make it!

Birbirinden kaliteli ve sansasyonel porno izleme sitelerinden bir tanesi olan NovaPorno ile eglencenin dibine vurun!

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