6:00 6:30...(30분간격으로 계속)...14:00 14:20 14:40 15:00 15:20 15:40 16:00 16:20 16:40 17:00 ...(20분간격으로계속)...21:00 22:10 22:40 23:10 24:00
당신은 어느 그룹입니까?