10/6일자 KTX부산-서울 시간은 05:00/05:30/06:00/06:15/06:30/07:00/07:30/08:00/08:20/09:00/09:30/09:50/10:00/10:20/10:40/11:00/11:10/11:20/12:00/13:00등
당신은 어느 그룹입니까?