시간=6:00,6:40,7:10,7:50,8:30,9:00,9:30,10:00,10:30,11:00,11:40,12:20,13:0013:40,14:20,14:50,15:20,15:50,16:30,17:10,17:40,18:20,19:00,19:30,20:00
당신은 어느 그룹입니까?