FKOQR, 1-1-3M-3M June 8, 2015Tessellation Nation1-1-3M-3M, 3-shape tessellation, FKOQRRaymond K. Houston Share this:EmailPrintFacebookMorePinterestTwitter Related posts: FKOQR, 1-1-3-3 FKOQR, 1-1-4-4