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Circles rolling around circles http://mathworld.wolfram.com/Cardioid.html http://mathworld.wolfram.com/Cardioid.html
by porterhaney 16y ago
Circles rolling around circles http://mathworld.wolfram.com/Cardioid.html http://mathworld.wolfram.com/Cardioid.html
- rosstafarian 16y agokinky.