020期：~24~《01,02,03,04,05,07,09,13,15,16,17,19,23,25,29,32,38,41,42,43,45,47,48,49》开：16对
021期：~24~《02,05,06,12,13,14,15,16,17,19,20,21,23,28,29,30,33,34,35,36,37,41,46,49》开：39错
022期：~24~《03,05,06,08,09,10,13,16,17,18,20,21,22,27,29,30,34,35,36,38,42,43,45,49》开：40错
023期：~24~《03,04,06,09,11,14,15,16,20,21,22,23,24,28,32,33,34,35,39,40,41,44,46,49》开：00