09:00,09:15,09:30,10:00,10:15,10:30,11:00,11:15,11:30,12:00,12:15,12:30,13:00,13:20,13:40,14:00,14:20,15:00,15:20,15:40,16:00,16:15,16:30,17:00,,
당신은 어느 그룹입니까?