Keywords: 4 21 polytope B6 Coxeter plane.svg 4_21_polytope in B6 Coxeter plane projection vertices colored by 1 3 9 12 multiplicity as red orange yellow green 06 33 25 July 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 4_21_polytope_B6_Coxeter_plane svg 2010-07-25 06 33 Tomruen 3000×3000 437922 bytes <nowiki> 4_21_polytope in B6 Coxeter plane projection vertices colored by 1 3 9 12 multiplicity as red orange yellow green I ~~~ created this work entirely by myself ~~~~~ Author </nowiki> 2010-07-25 06 35 Tomruen 3000×3000 437922 bytes <nowiki>opacity</nowiki> 2010-07-25 06 36 Tomruen 3000×3000 437922 bytes <nowiki>opacity</nowiki> 2010-07-25 06 37 Tomruen 3000×3000 52293 bytes <nowiki>opacity</nowiki> 2010-07-25 06 40 Tomruen 3000×3000 52293 bytes <nowiki>Opacity</nowiki> 8-polytopes |