FKOQR, 1-2-1-2 June 8, 2015Tessellation Nation1-2-1-2, 3-shape tessellation, FKOQRRaymond K. Houston Share this:EmailPrintFacebookMoreGooglePinterestTwitter Related posts: FKOQR, 1-1-3-3 FKOQR, 1-1-4-4 FKOQR, 1-1-3M-3M FKOQR, 1-1-4M-4M