269期，01,02,03,07,08,09,11,12,13,15,19,21,31,32,33,35,37,38,39,41,43,44,45,47,49，开31准
270期，01,02,03,05,08,09,11,12,13,15,20,23,24,25,26,27,29,32,33,35,44,45,47,48,49，开35准
271期，01,02,04,05,08,09,12,13,14,16,20,21,24,25,26,28,29,32,33,36,37,38,39,40,41，开
