248期：16码[[01,04,06,11,12,13,18,20,23,28,32,33,35,42,46,47]]开：20√
249期：16码[[03,05,11,18,20,23,29,32,34,35,36,37,42,43,45,47]]开：23√
250期：16码[[02,03,06,09,11,16,22,24,28,30,31,32,35,40,42,48]]开：14x
251期：16码[[01,08,10,12,21,23,24,26,29,31,32,37,41,45,47,49]]开：//