C13223313311212111133133313331333133313232233133313311211111132121   >>    C1322331331121211113313331333133313331323223313331331121111113212   <<    C13223313311212111133133313331333133313232233133313311211111132123   >>      C13223313311212111133133313331333133313232233133313311211111132122   >>