3. Grupul de litere incepe cu:

HR-01-A??HR-01-B??HR-01-C??HR-01-D??HR-01-E??HR-01-F??HR-01-G??HR-01-H??HR-01-I??
HR-01-J??HR-01-K??HR-01-L??HR-01-M??HR-01-N??HR-01-O??HR-01-P??HR-01-Q??HR-01-R??
HR-01-S??HR-01-T??HR-01-U??HR-01-V??HR-01-W??HR-01-X??HR-01-Y??HR-01-Z??