Stare
Orientation is fluid within the arcs. Rotation of form invites rotation of mind. Briefly, I walked the wall as floor, until cognition restored the fall.
The difference in orientation of the three arcs was a given; the portals themselves demonstrated this plainly; for a long time however, the physics involved in the travel between the arcs was a mystery to me.
The answer came, as it often does, completely by accident.
Once I had learned the fundamentals of displacement I began a long period of experimentation.
