C111112111133131121133133313331333133313123221213331323223332311   >>    C11111211113313112113313331333133313331312322121333132322333231   <<    C111112111133131121133133313331333133313123221213331323223332313   >>      C111112111133131121133133313331333133313123221213331323223332312   >>