298期：黑牛<<01,02,04,06,08,11,12,14,15,18,20,25,26,30,32,34,37,41,42,43,44,45,46,48>>开：12有
299期：黑牛<<04,05,06,07,08,09,10,11,12,17,19,25,26,27,28,31,33,35,37,38,40,42,43,47>>开：21没
300期：黑牛<<01,05,06,07,08,09,10,12,13,14,22,23,24,29,30,35,36,38,39,41,42,45,47,48>>开：00