003-2:

	* renaming Ground1 to Ground, Lower to Ground3.
	* removing black tiles from Ground2 which are in Ground.
	* Moving x2 tile from Ground3 to Fringe
	* Collision:
		- 49/50,20
		- 52/53,20
		- 57/58,20
004-2:

	* Collision:
		+21/22,54
		- 63/64,26
		+63/64,25
		- 63/64,23
		+63/64,22
	* renamed Ground1 to Ground.
	* removed transperant tiles from Ground2.
	* removed black tiles from Ground2 which are already in Ground.
	* moved floor tiles from Ground2 to Ground.
	* moved x1 tiles from Fringe to Ground2 / Ground.