Original Problems JF-2020/I
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March, 2020 The judge of JF-2020/I: Eric Huber. Coming soon: Nobody in the waiting list..
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All previously published problems & informal competitions you can find on the top menu page of Original Problems or its subsections. Animated diagrams use Py2Web by Dmitri Turevski and WinChloe‘s graphics, Christian Poisson |
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