11:15,11:30,11:40,12:00,13:00,13:20,13:30,13:50,14:10,14:20,14:30,14:40,15:10,15:30,15:40,16:00,16:30,16:40,17:20,17:30,18:00,18:20,18:30,18:50,19시등
당신은 어느 그룹입니까?