C11112331312111112111133133313331333132323213331333133112111322331   >>    C1111233131211111211113313331333133313232321333133313311211132233   <<    C11112331312111112111133133313331333132323213331333133112111322333   >>      C11112331312111112111133133313331333132323213331333133112111322332   >>