C111112111133131121133133313331333121111133313331333133311332233132233331   >>    C11111211113313112113313331333133312111113331333133313331133223313223333   <<    C111112111133131121133133313331333121111133313331333133311332233132233333   >>      C111112111133131121133133313331333121111133313331333133311332233132233332   >>