10:0010:2010:4011:0011:40 12:1012:3013:0013:2013:40 14:0014:2015:0015:2015:40 16:0016:2016:4017:0017:20 18:0018:2018:4019:0019:20 20:0020:2020:50
당신은 어느 그룹입니까?