MEDYAN.mon_3states
Tuple{MEDYAN.Context, MEDYAN.MonomerName}
mon_3states( c::MEDYAN.Context, monomer::MEDYAN.MonomerName ) -> Tuple{UInt8, UInt8, UInt8}
Return a tuple of three monomer states centered at a monomer.
If a monomer doesn’t exist, its state will be zero. The filament must exist.