C13223313311212111133133313331333133313232233133313331333212313111   >>    C1322331331121211113313331333133313331323223313331333133321231311   <<    C13223313311212111133133313331333133313232233133313331333212313113   >>      C13223313311212111133133313331333133313232233133313331333212313112   >>