15:00, 15:10,15:20,15:30,15:40,15;50,16:00,16:10,16:20,16:30,16:40, 16:50,17:00,17:10,17:20,17:30,17;40,17;50.18;00,18:10,18:20, 18:30,18;40..
당신은 어느 그룹입니까?