C11112331312111112111133133313331333132323213331333133313331232332333231   >>    C1111233131211111211113313331333133313232321333133313331333123233233323   <<    C11112331312111112111133133313331333132323213331333133313331232332333233   >>      C11112331312111112111133133313331333132323213331333133313331232332333232   >>