C11112331312111112111133133313331333132323213331333133311213113311   >>    C1111233131211111211113313331333133313232321333133313331121311331   <<    C11112331312111112111133133313331333132323213331333133311213113313   >>      C11112331312111112111133133313331333132323213331333133311213113312   >>