269期：＜24码＞（03,06,08,09,11,12,14,15,17,18,19,27,28,29,30,34,37,38,39,41,43,44,47,49）开：11对
270期：＜24码＞（03,08,09,10,13,17,18,20,22,24,25,27,28,30,31,32,33,34,38,39,41,43,46,47）开：42错
271期：＜24码＞（03,04,05,06,07,08,09,10,12,13,15,19,20,21,22,25,30,32,36,39,43,44,45,47）开：40错
272期：＜24码＞（01,02,03,04,10,12,14,17,19,23,24,25,28,29,30,31,32,33,34,37,38,46,47,48）开：30对
273期：＜24码＞（01,02,07,10,12,14,16,18,19,20,21,24,26,28,29,33,36,38,39,43,44,45,47,49）开：00
