C11112331312111112111133133313331333132323133313331333133312132111   >>    C1111233131211111211113313331333133313232313331333133313331213211   <<    C11112331312111112111133133313331333132323133313331333133312132113   >>      C11112331312111112111133133313331333132323133313331333133312132112   >>