LayerSet, First Group
   LayerSet, First Group in First Group
      LayerSet, First Group in First Group in Frist Group
         ArtLayer, Layer 3 levels deep
         ArtLayer, Another layer 3 levels deep
      ArtLayer, Layer 2 levels deep
   ArtLayer, Layer 1 level deep
ArtLayer, Layer at top level
LayerSet, Second Group
   ArtLayer, Layer in Second Group
ArtLayer, Top above background
ArtLayer, Background