Aperiodical Maths News - <p><a href="http://poo.com">Plop</a></p> <br> <p>(via <a href="http://ping.com">Bongo</a></p> <br>

Aperiodical Maths News @plop@guess-who.somethingorotherwhatever.com Feb. 25, 2023, 10:36 a.m.

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