272期：【04,13,23,24,32,33,38,39,42,43,44,49】开（30）准√
273期：【01,02,07,08,15,33,37,40,42,45,46,49】开（41）准√
274期：【04,20,25,26,28,33,37,41,42,46,47,48】开（49）准√
275期：【01,11,15,28,32,33,38,39,40,43,44,49】开（41）准√
276期：【03,04,05,09,12,16,18,28,30,31,36,37】开（29）准√
277期：【01,03,04,09,10,37,38,41,42,45,47,48】开（26）准√
278期：【02,06,10,11,31,32,33,38,39,43,44,49】开（？）