This file is fae Wikimedia Commons n micht be uised bi ither waurks.
The descreeption oan its file descreeption page thaur is shawn ablo.
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DescreeptionFarey diagram circle packing 4.png
English: Farey diagram with circles, order F4
Deutsch: Farey-Graph:
In der Mathematik ist der Farey-Graph ein unendlicher Graph, der zahlreiche Anwendungen in der Zahlentheorie und anderen Gebieten der Mathematik besitzt.
This image of simple geometry is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
Heptagon
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