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 J’F Original Problems 
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 12-14th of January, 2017 Dear authors and visitors, please use “Like” ♥ button under the diagram if you like the problem published! 
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 Animated diagrams use Py2Web by Dmitri Turevski and WinChloe’s graphics.  | 
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All previously published problems you can find in the subsections of Original Problems menu on the top. The judges of JF-2017(I) and of Retro & PG problems 2017-2018 are not appointed yet.
