C3123121111331311213331333131133133313331333133313232233131323131   >>    C312312111133131121333133313113313331333133313331323223313132313   <<    C3123121111331311213331333131133133313331333133313232233131323133   >>      C3123121111331311213331333131133133313331333133313232233131323132   >>