7:30 8:00 8:30 9:00 9:30 10:00 10:20 10:40 11:00 11:30 12:00 12:30 13:00 13:0 13:40 14:00 14:20 14:40 15:00 15:20 16:20 12시까지30분간격으로계속있어요
당신은 어느 그룹입니까?