C13332313311211113313331333131133133313232233132213331313311232311   >>    C1333231331121111331333133313113313331323223313221333131331123231   <<    C13332313311211113313331333131133133313232233132213331313311232313   >>      C13332313311211113313331333131133133313232233132213331313311232312   >>