C111112111133131121133133313331333133313331322121111331333112322231   >>    C11111211113313112113313331333133313331333132212111133133311232223   <<    C111112111133131121133133313331333133313331322121111331333112322233   >>      C111112111133131121133133313331333133313331322121111331333112322232   >>