7시,7시반,8시,8시반,9시10분,아홉시반,10반,11십,11:50,12:30,1:10,1:50,2:30,3:10,3:50,4:2016:5017:2017:5018:2018:5019:20 18:507:207:5020:2020:
당신은 어느 그룹입니까?