6:40분/7시/7:20분/7:40분/8시/8:20분/8:40분/9시/이런식으로오후1시까지/1시15분/1시30분/1시40분/2시/2:10분/2:30분/2:50분/3시10분/이런식으로20시50분/21:10
당신은 어느 그룹입니까?