253期：←24码→（01,03,05,07,08,10,12,14,22,24,25,26,27,29,30,31,32,33,37,41,44,47,48,49）开：33准
254期：←24码→（02,03,04,08,10,12,13,14,16,17,18,19,24,25,27,29,31,32,36,39,42,44,45,48）开：17准
255期：←24码→（01,02,05,06,08,12,13,17,19,20,21,23,27,31,33,36,37,39,40,42,43,44,45,48）开：42准
256期：←24码→（03,09,10,13,17,18,19,20,22,24,27,28,29,30,33,34,35,39,40,41,43,44,46,49）开：48错
257期：←24码→（07,08,11,12,14,15,16,25,27,29,30,31,32,34,35,37,38,39,42,45,46,47,48,49）开：28错
258期：←24码→（01,02,06,07,08,11,13,15,17,19,21,22,23,24,26,27,30,31,32,36,43,45,47,49）开：？？