271期：黑牛<<04,06,07,08,13,15,18,21,22,23,26,30,31,32,33,35,36,37,38,43,44,45,48,49>>开：22有
272期：黑牛<<02,03,09,10,11,12,14,18,19,20,24,27,29,32,34,36,37,40,41,43,44,45,47,49>>开：34有
273期：黑牛<<01,03,04,07,08,14,18,19,20,22,24,26,27,29,30,32,34,36,38,40,43,45,48,49>>开：42没
274期：黑牛<<03,04,05,07,09,10,11,14,16,22,23,26,27,29,31,34,35,37,40,41,43,44,45,47>>开：08没
275期：黑牛<<01,04,08,09,14,15,16,19,20,21,22,23,24,25,27,33,35,37,41,42,43,44,45,48>>开：24有
276期：黑牛<<09,10,11,12,13,16,21,22,23,24,25,29,33,35,36,37,38,40,41,44,46,47,48,49>>开：00