C13223313311212111133133313331333133313232233131133132333131221   >>    C1322331331121211113313331333133313331323223313113313233313122   <<    C13223313311212111133133313331333133313232233131133132333131223   >>      C13223313311212111133133313331333133313232233131133132333131222   >>