245期：←24码→（02,03,07,10,12,13,15,19,20,26,27,28,31,32,33,34,35,36,38,40,41,44,46,49）开：44准
246期：←24码→（01,03,05,08,18,22,23,26,28,29,30,32,33,34,35,37,38,40,42,43,45,47,48,49）开：06错
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：？？