Gefülltes Rechteck (Schnecke)
by addeg
Created: 1 year, 2 months ago
Last modified: 10 months, 3 weeks ago
This project is shared under the
Creative Commons Attribution-NonCommercial-ShareAlike (CC BY-NC-SA) license .
Creative Commons Attribution-NonCommercial-ShareAlike (CC BY-NC-SA) license .
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