C13223313311212111133133313331333132333133313331333112112211232313111   >>    C1322331331121211113313331333133313233313331333133311211221123231311   <<    C13223313311212111133133313331333132333133313331333112112211232313113   >>      C13223313311212111133133313331333132333133313331333112112211232313112   >>