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