C3123121111331311213331333131133133313331333133313232213331311121   >>    C312312111133131121333133313113313331333133313331323221333131112   <<    C3123121111331311213331333131133133313331333133313232213331311123   >>      C3123121111331311213331333131133133313331333133313232213331311122   >>