254期：必中24码（01,03,04,07,09,14,15,17,18,19,27,28,32,33,34,35,39,40,41,44,45,47,48,49）开：17中
255期：必中24码（02,03,05,06,08,09,10,15,17,18,19,20,21,23,25,29,30,31,38,39,41,44,45,49）开：42错
256期：必中24码（02,04,05,07,08,11,14,17,18,19,20,21,22,25,26,34,35,39,40,41,42,45,46,47）开：48错
257期：必中24码（01,02,04,05,07,08,09,12,13,16,19,21,23,24,27,28,30,31,33,34,36,37,46,47）开：00