C111112111133131121133133313331333133313331323133313331333133313223331211311   >>    C11111211113313112113313331333133313331333132313331333133313331322333121131   <<    C111112111133131121133133313331333133313331323133313331333133313223331211313   >>      C111112111133131121133133313331333133313331323133313331333133313223331211312   >>