C111112111133131121133133313331333133313331332133313331333211211   >>    C11111211113313112113313331333133313331333133213331333133321121   <<    C111112111133131121133133313331333133313331332133313331333211213   >>      C111112111133131121133133313331333133313331332133313331333211212   >>