C13223313311212111133133313331333133313232233133313331333131233311221   >>    C1322331331121211113313331333133313331323223313331333133313123331122   <<    C13223313311212111133133313331333133313232233133313331333131233311223   >>      C13223313311212111133133313331333133313232233133313331333131233311222   >>