269期：二十四码，[[01,06,08,09,10,12,13,16,17,18,19,21,24,27,30,31,34,36,39,40,43,45,46,49]]开：31对
270期：二十四码，[[03,09,10,12,13,15,16,18,19,20,22,23,27,28,33,34,35,36,39,40,43,46,47,48]]开：35对
271期：二十四码，[[01,04,06,10,11,12,14,17,19,20,21,24,25,26,30,32,36,37,39,40,45,46,47,49]]开：06对
272期：二十四码，[[04,07,08,10,11,12,14,15,18,23,25,26,31,32,33,35,37,39,40,41,45,46,47,49]]开：36错
273期：二十四码，[[01,04,07,08,09,11,13,14,17,22,23,26,27,30,31,32,34,36,38,39,41,43,44,47]]开：04对
274期：二十四码，[[02,04,05,06,07,10,12,13,16,17,19,21,24,33,35,38,39,40,41,42,43,44,45,47]]开：44对
275期：二十四码，[[01,02,05,08,09,10,12,13,16,17,19,20,22,27,28,29,30,33,34,38,40,43,46,47]]开：45错
276期：二十四码，[[03,05,06,07,08,09,11,12,18,20,21,22,24,25,27,28,29,35,37,38,39,40,44,48]]开：00