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28-31st of December, 2019 My dear fiends, authors, visitors, commentators… Happy to have all of you visiting JF and sending your contributions! Happy New Year 2020 to all of you! I’m glad to present you some statistics by Shankar Ram: Your new works are very welcome in 2020! With the best wishes – Julia. |
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Animated diagrams use Py2Web by Dmitri Turevski and WinChloe’s graphics. |
All previously published problems you can find in the subsections of Original Problems menu on the top. The judge of JF-2019/II: Petko Petkov. The judge of Retro & PG problems 2019-2020: Vlaicu Crișan.