C1111133313331323223313331333133313113313222112111133131133131332311   >>    C111113331333132322331333133313331311331322211211113313113313133231   <<    C1111133313331323223313331333133313113313222112111133131133131332313   >>      C1111133313331323223313331333133313113313222112111133131133131332312   >>