5:40 6:10 6:40 7:10 7:30 7:50 8:10 ..(20분간격으로 계속)..13:15 13:35 13:55 14:10 14:25 14:45 15:10 15:35 15:55 16:15 16:35 16:50 17:10 17:30 17:45..
당신은 어느 그룹입니까?