C111112111133131121133133313331323133313221211111333133313331333112221211   >>    C11111211113313112113313331333132313331322121111133313331333133311222121   <<    C111112111133131121133133313331323133313221211111333133313331333112221213   >>      C111112111133131121133133313331323133313221211111333133313331333112221212   >>