202期：必中24码（05,09,11,13,14,15,17,19,20,21,23,28,29,33,34,35,36,37,38,40,41,45,46,49）开：20中
203期：必中24码（02,03,04,05,06,07,08,10,11,16,17,19,22,26,30,31,34,35,38,42,44,45,48,49）开：18错
204期：必中24码（01,05,06,07,09,10,12,13,19,20,21,22,23,27,28,29,31,33,36,40,42,43,48,49）开：00