277期：=【02,04,08,11,12,13,15,16,17,18,20,23,25,28,31,32,34,39,41,43,45,47,48,49】开：16准
278期：=【03,04,05,07,10,11,14,16,17,18,20,22,24,25,26,30,32,37,38,40,44,46,48,49】开：28错
279期：=【01,03,06,07,14,18,19,23,25,26,28,30,32,33,36,40,41,42,43,44,45,47,48,49】开：27错
280期：=【01,02,06,07,08,09,10,13,14,15,17,18,19,20,21,22,29,32,34,35,38,43,44,47】开：00？