C111112111133131121133133313331333133313331332133313331333133313223213331   >>    C11111211113313112113313331333133313331333133213331333133313331322321333   <<    C111112111133131121133133313331333133313331332133313331333133313223213333   >>      C111112111133131121133133313331333133313331332133313331333133313223213332   >>