247期：黑牛<<01,03,04,06,09,11,14,16,17,18,24,26,30,31,32,33,36,37,38,40,41,42,47,48>>开：40有
248期：黑牛<<01,02,05,09,11,15,19,25,27,29,30,32,33,34,35,37,38,40,43,44,45,46,47,49>>开：20没
249期：黑牛<<02,05,06,07,08,10,12,13,15,16,21,22,23,25,27,33,34,39,41,42,44,45,46,48>>开：23有
250期：黑牛<<02,03,04,05,08,10,11,12,15,16,17,21,22,23,30,31,32,33,34,39,42,45,46,49>>开：14没
251期：黑牛<<02,05,07,09,14,15,16,17,20,21,23,24,27,29,31,35,36,37,40,43,44,47,48,49>>开：00