019期：24码***01,02,03,06,10,11,12,14,19,20,21,26,27,30,31,32,33,34,38,39,40,42,46,49//开：40中
020期：24码***02,06,07,08,11,12,13,16,17,18,21,22,25,26,27,28,32,36,37,38,41,47,48,49//开：10错
021期：24码***02,03,04,05,07,09,10,11,13,19,22,23,25,27,28,30,32,34,35,40,43,46,47,48//开：07中
022期：24码***02,03,04,05,06,07,10,11,12,14,16,20,21,24,31,32,33,34,36,37,44,47,48,49//开：18错
023期：24码***02,04,06,10,12,16,18,20,21,22,23,24,26,27,28,30,33,34,37,38,41,42,46,49//开：88
