A patch of an isohedral (and hence periodic) tiling by copies of Tile(1,1).
https://media.mathstodon.xyz/media_attachments/files/110/454/687/190/679/488/original/ad76d6259809ca72.png
Because Tile(1,1) is equilateral, it permits a wider range of adjacencies, which then allow it to tile isohedrally using equal numbers of unreflected and reflected tiles. (3/n)
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