[질문] 당고개 4호선언제오나요

평일 4호선 당고개 하행선09:56/10:02,07,12,16,21,25,31,36,42,47,54/11:00,07,14,20,26,31,37,42,48,54/12:01,08,14,21,26,32,37,43,48,55/13:02,09,16,22,등