소요시간은 3시40분.11:00,20,40/12:00,20,40/13:00,20,40/14:00,20,40/15:00,20,40/16:00,15,30,45/17:00.20.40/18:00,20,40/19:00/20,40/20:00,20,40/21:00,30
당신은 어느 그룹입니까?