C11112331312111112111133133313331333132323213331333131333132223331   >>    C1111233131211111211113313331333133313232321333133313133313222333   <<    C11112331312111112111133133313331333132323213331333131333132223333   >>      C11112331312111112111133133313331333132323213331333131333132223332   >>