019期：必中24码（01,04,05,06,08,09,13,15,16,17,20,21,22,23,30,32,33,34,36,39,42,44,46,49）开：06中
020期：必中24码（04,08,09,10,11,14,16,17,23,25,29,30,31,32,33,36,38,39,40,41,44,45,48,49）开：34错
021期：必中24码（01,05,07,10,11,13,15,19,20,24,27,28,29,30,34,36,37,38,40,42,44,45,46,48）开：14错
022期：必中24码（01,04,06,07,08,09,15,18,19,20,23,25,27,28,33,36,37,41,42,44,46,47,48,49）开：00
