C3123121111331311213331333131133133313331333133313331331123232233121   >>    C312312111133131121333133313113313331333133313331333133112323223312   <<    C3123121111331311213331333131133133313331333133313331331123232233123   >>      C3123121111331311213331333131133133313331333133313331331123232233122   >>