021期：必中24码（01,02,03,04,05,06,09,14,17,19,21,22,23,24,25,27,32,38,39,40,42,46,47,49）开：39中
022期：必中24码（01,02,03,05,06,08,12,13,14,17,18,19,23,24,26,34,36,40,41,43,44,46,48,49）开：40中
023期：必中24码（04,09,10,12,16,17,18,19,20,23,24,25,27,30,31,32,34,35,36,39,40,41,42,48）开：08错
024期：必中24码（01,04,05,06,08,09,12,13,15,16,18,20,23,26,30,34,40,41,42,43,45,46,47,48）开：00
