219期：必中24码（04,06,08,09,10,12,13,14,16,20,21,24,25,26,27,31,33,34,36,38,44,46,47,49）开：25中
220期：必中24码（02,05,12,13,15,16,17,19,20,22,24,25,28,29,33,35,37,39,42,44,46,47,48,49）开：30错
221期：必中24码（01,04,08,09,10,11,12,13,15,16,20,22,23,27,30,33,34,37,38,40,41,43,44,46）开：00