#Pol	Ret	PolIn	RetIn  DarkIn
0       0       0       0       1
0       0       0       0       0     # Clear
0       0       1       0       0     # POL-only
45      0       1       0       0
90      0       1       0       0
135     0       1       0       0
135     0       1       1       0     # POL + RET
135     45      1       1       0
135     90      1       1       0
180     135     1       1       0
180     180     1       1       0
180     225     1       1       0
225     270     1       1       0
225     315     1       1       0
225     0       1       1       0
270     45      1       1       0
270     90      1       1       0
270     135     1       1       0
0       0       0       0       0     # Clear
0       0       0       0       1