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Discussion of Problem 1663. The Hobbit or There and Back Again 2

Vedernikoff Sergey (HSE: АОП) Any clue for this problem? [2] // Problem 1663. The Hobbit or There and Back Again 2 5 May 2009 04:30
Ekvilon Basic test [5] // Problem 1663. The Hobbit or There and Back Again 2 20 Dec 2008 13:56

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