C111112111133131121133133313331333133313331332133313331333133313233313332311   >>    C11111211113313112113313331333133313331333133213331333133313331323331333231   <<    C111112111133131121133133313331333133313331332133313331333133313233313332313   >>      C111112111133131121133133313331333133313331332133313331333133313233313332312   >>