[질문] 원당역 하행 시간별 열차시간

하행19:07/19:17/19:22/19:32/19:42/19:51/19:57/20:07/20:13/20:23/20:33/20:43/20:49/21:00/21:06/21:13/21:25/21:32/21:39/21:53등