308期：黑牛<<01,02,04,05,06,07,09,13,14,17,18,19,21,26,29,30,31,34,37,38,41,44,45,49>>开：17有
309期：黑牛<<01,02,05,06,07,08,09,13,14,15,17,20,22,23,34,35,36,39,40,41,42,43,45,48>>开：44没
310期：黑牛<<04,08,09,10,12,14,15,17,19,22,23,24,26,27,30,31,33,35,38,41,43,44,46,47>>开：19有
311期：黑牛<<02,05,06,07,08,09,10,12,14,17,18,20,21,28,33,36,37,40,42,44,45,46,47,49>>开：00