C11112331312111112111133133313331333133313331333133313331333132323133311311   >>    C1111233131211111211113313331333133313331333133313331333133313232313331131   <<    C11112331312111112111133133313331333133313331333133313331333132323133311313   >>      C11112331312111112111133133313331333133313331333133313331333132323133311312   >>