C11112331312111112111133133313331333132323213331333133311332313231   >>    C1111233131211111211113313331333133313232321333133313331133231323   <<    C11112331312111112111133133313331333132323213331333133311332313233   >>      C11112331312111112111133133313331333132323213331333133311332313232   >>