247期：←24码→（03,04,05,06,08,09,12,20,22,23,25,27,28,29,32,33,34,35,38,40,41,45,47,49）开：25准
248期：←24码→（05,06,07,08,09,10,16,17,18,20,21,22,23,24,25,30,31,33,35,36,40,44,47,48）开：12错
249期：←24码→（01,02,04,08,09,11,13,15,16,17,20,21,24,25,31,32,35,37,40,43,45,46,48,49）开：02准
250期：←24码→（03,05,06,08,09,12,13,14,15,16,17,21,22,25,27,29,30,32,37,41,44,45,46,49）开：12准
251期：←24码→（04,05,09,10,11,12,13,18,19,20,22,25,27,28,30,31,35,37,39,42,44,45,46,48）开：35准
252期：←24码→（02,04,07,08,12,13,14,15,16,20,27,28,30,32,35,36,37,38,41,42,44,45,46,49）开：23错
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：？？