Limbo Maze
From HGWiki
Here's to hoping you will never needs these maps. However if you find yourself frustratingly lost, the path is now illuminated. The Limbo maze uses one configuration but is rotated four ways. Below you will find the same map, each image providing a rotated view. Use the visible walls around you to get your bearings. Then plan your route. Execute without frustration of being lost!
Map Key:
Green = Invisible Walls
Blue = Visible yet indestructible walls
Black = Visible and destructible walls
White = Portal
Red = Known Start Points