C111112111133131121133133313331333133313331332133313331311331323323311   >>    C11111211113313112113313331333133313331333133213331333131133132332331   <<    C111112111133131121133133313331333133313331332133313331311331323323313   >>      C111112111133131121133133313331333133313331332133313331311331323323312   >>