Aether.Extras/Samples/Tilemap/TilemapContent/tilemapMipmapPerSprite.tmx

<?xml version="1.0" encoding="UTF-8"?>
<map version="1.0" orientation="orthogonal" renderorder="right-down" width="4" height="2" tilewidth="128" tileheight="128" nextobjectid="1">
 <tileset firstgid="1" source="tileset.tsx"/>
 <layer name="Tile Layer 1" width="4" height="2">
  <data encoding="csv">
29,24,25,0,
1,2,2,18
</data>
 </layer>
</map>