273期：←24码→（02,03,05,08,09,10,11,19,21,22,24,27,28,31,32,33,34,37,38,39,40,41,44,49）开：05准
274期：←24码→（01,02,03,06,08,09,12,14,15,16,18,19,20,21,24,25,27,32,33,38,40,41,43,45）开：24准
275期：←24码→（02,03,07,09,10,11,13,14,15,16,18,23,24,25,26,30,33,34,36,37,38,45,47,49）开：？？