opencombat/tests/fixtures/side_by_side_interiors.tmx

<?xml version="1.0" encoding="UTF-8"?>
<map version="1.0" tiledversion="2017.07.26" orientation="orthogonal" renderorder="left-up" width="5" height="5" tilewidth="8" tileheight="8" nextobjectid="1">
 <tileset firstgid="1" source="interiors.tsx"/>
 <layer name="interiors" width="5" height="5">
  <data encoding="csv">
0,0,0,0,0,
2,2,3,2,2,
2,2,3,2,2,
2,2,3,2,2,
0,0,0,0,0
</data>
 </layer>
</map>