Keywords: Quadrirectified 4 21.png en wikipedia 2011 October 16 gosset 4_21 polytope graph 06 50 18 February 2010 UTC I Tom Ruen talk created this work entirely by myself <br />Transferred from http //en wikipedia org en wikipedia Tom Ruen talk en wikipedia Tomruen Original upload log page en wikipedia Quadrirectified_4_21 png 2010-02-18 06 50 Tomruen 774×776 185752 bytes <nowiki> Quadrirectified_gosset 4_21 polytope graph I ~~~ created this work entirely by myself ~~~~~ ~~~ </nowiki> Set of colored Coxeter plane graphs; many vertices |