271期：{{05,06,14,16,19,20,26,31,32,34,35,38,41,43,44,47}}开：26对了
272期：{{03,08,13,16,18,20,22,27,28,31,35,36,37,38,43,47}}开：23X
273期：{{04,06,08,12,15,18,20,21,24,25,26,27,31,32,36,41}}开：05X
274期：{{05,07,10,12,17,20,21,22,24,29,30,33,34,42,44,46}}开：24对了
275期：{{07,12,13,15,16,17,21,26,27,36,38,39,41,44,46,49}}开：00