If the given call requires you to know the facing direction of a phantom, look at that phantom's
opposite within the Split Phantom Columns | Lines | Waves
formation. Hopefully that spot is
occupied by a real dancer, in which case your phantom is facing the opposite direction of that dancer.
This is known as Assume Symmetry
. Some callers believe you should always do this; other
callers believe you should never do this (I am of the latter opinion). EN: 50