C3123121111331311213331333131133133313331333133313331333133313331323222323121   >>    C312312111133131121333133313113313331333133313331333133313331333132322232312   <<    C3123121111331311213331333131133133313331333133313331333133313331323222323123   >>      C3123121111331311213331333131133133313331333133313331333133313331323222323122   >>