1시간 30분 소요 / 06:00,20,40 07:00,10,20,40 08~12:00,20,40 13:00,15,30,45 14:00,20,40,50 15~18:00,20,40 19:00,15,30,45 20~21:00,20,40 23:00
당신은 어느 그룹입니까?