013-1:

* Moved x1 tiles from Fringe to Ground2.
* Moved treetrunks from Ground2 to Ground.
* Erased orphan fence tiles within trees.
007-1:

* Moved x1 tiles from Fringe to Lower. Part of a roof remains in Fringe.
* added roof edge at 78,74.
045-1: added collision tile at 23,169.
025-1: moved x1 tiles from Fringe to Ground2,

leaving one fence tile in Fringe.
025-1:

* removed orphan path tiles.
* removed orphan tree trunks.
* moved tree trunks from Ground2 to Ground.
* fixed missing tree tiles in over.
021-1: Added collision tile at 51,87.