POI[2012] Tour de Byteotia
Difference between en1 and en2, changed 2 character(s)
Can anyone give me an idea how to solve this problem ?  [Tour de Byteotia](http://main.edu.pl/en/archive/oi/19/tou )↵
Thanks in advance!

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  Rev. Lang. By When Δ Comment
en2 English saba_tavdgiridze 2016-04-11 19:22:15 2 Tiny change: '/oi/19/tou \nThanks i' -
en1 English saba_tavdgiridze 2016-04-11 19:21:46 161 Initial revision (published)