267期：《《01,07,09,14,15,18,24,26,29,31,38,40,41,43,45,48》》开：29√
268期：《《02,07,09,15,20,21,23,24,28,30,32,34,41,42,48,49》》开：10x
269期：《《06,09,11,16,17,20,21,22,24,25,30,31,36,38,41,49》》开：31√
270期：《《02,03,05,06,07,11,13,14,21,22,32,37,38,41,44,46》》开：35x
271期：《《16,17,18,19,21,23,25,27,28,33,34,38,42,45,46,47》》开：中？