C132233133112121111331333133313231333133313231133133313112211231323111   >>    C13223313311212111133133313331323133313331323113313331311221123132311   <<    C132233133112121111331333133313231333133313231133133313112211231323113   >>      C132233133112121111331333133313231333133313231133133313112211231323112   >>