View Single Post
Old 2010-07-04, 13:57   #2
ccorn
 
ccorn's Avatar
 
Apr 2010

100101112 Posts
Default

Quote:
Originally Posted by davieddy View Post
(+/-r,+/-1,0) (permute cyclicly) icosohedron

HELP!
Use the duality.

P.S.: And post the result
ccorn is offline   Reply With Quote