1-3-3-1 October 9, 2012Tessellation Nation3-shape tessellationRaymond K. Houston Tile 1-3-3-1 Starting from Home position, rotate the upper right and lower left cells 180 degrees. Below is the resulting pattern of repeated tiles. Pattern 1-3-3-1 Share this:EmailPrintFacebookMorePinterestTwitter Related posts: 1-1-3M-3M 1-1-4M-4M 1-4M-1-4M 1-1-4-4 1-2-1-2 1-3-1-3 1-1-2M-2M 1-4-1-4 1-2M-1-2M 1-2-2-1