v1.3 (3/13):
-Removed white wall opposite entry door area and top part of the white wall opposite the exit area.

v1.2 (3/13):
-Removed grate opposite entry door area and placed grate on wall opposite laser catcher of 2nd cube dropper.

v1.1 (3/12):
-Made white wall near the exit platform unportalable to prevent unintended solutions.

v1.0 - Official release version