FKOQR, 1-3M-1M-3 June 10, 2015Tessellation Nation1-3M-1M-3, 3-shape tessellation, FKOQRRaymond K. Houston Share this:EmailPrintFacebookMorePinterestTwitter Related posts: FKOQR, 1-1-3-3 FKOQR, 1-1-4-4 FKOQR, 1-1-4M-4M FKOQR, 1-2-1-2 FKOQR, 1-2-4-3 FKOQR, 1-3-1-3 FKOQR, 1-3-3-1 FKOQR, 1-3-1M-3M FKOQR, 1-4-1M-4M FKOQR, 1-1M-1M-1