277期：24码【【01,03,05,08,11,14,16,17,20,22,23,24,29,31,34,35,36,38,40,43,46,47,48,49】】开：16中
278期：24码【【01,08,09,10,12,13,15,16,17,25,26,27,28,29,31,32,33,34,35,36,40,41,44,47】】开：28中
279期：24码【【02,04,10,12,13,15,16,19,20,21,23,24,25,29,30,31,33,40,41,42,43,44,48,49】】开：27x
280期：24码【【01,02,04,06,08,09,11,12,16,21,23,25,26,28,31,32,33,36,37,42,45,46,48,49】】开：//