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：30中
222期：必中24码（02,03,04,05,06,07,08,09,10,13,16,23,25,26,27,28,31,32,34,37,38,42,46,47）开：20错
223期：必中24码（02,05,06,14,16,17,18,20,22,24,25,26,27,29,31,33,34,39,42,43,46,47,48,49）开：01错
224期：必中24码（02,05,07,09,10,11,15,17,19,21,25,26,29,31,33,34,35,36,39,40,42,47,48,49）开：00