related tags: 1A1B2A 4A3F5A 4B4553 8B7C7F 93747A 9D4419 B4554B CEC6BD D12612 D1A752 D7C6B4 DE2D00 E92917 EAD86D FFBC13 FFFF2F colorado cowboy dodecahedron etoile etoiledemer ff0000 five fold geometry junkies math music nature polyhedron sea star symetrie symmetry 121431