C1111133313331323223313331333133313113313222112111133131133132322332311   >>    C111113331333132322331333133313331311331322211211113313113313232233231   <<    C1111133313331323223313331333133313113313222112111133131133132322332313   >>      C1111133313331323223313331333133313113313222112111133131133132322332312   >>