C11112331312111112111133133313331333132323213331333133311312332311   >>    C1111233131211111211113313331333133313232321333133313331131233231   <<    C11112331312111112111133133313331333132323213331333133311312332313   >>      C11112331312111112111133133313331333132323213331333133311312332312   >>