270期====01,02,05,06,07,08,09,14,16,18,19,21,22,23,24,29,32,33,34,35,38,39,40,43,44,45,46,48··（共半数） 中：35准
271期====01,02,05,06,08,10,11,13,15,19,20,21,23,24,27,28,32,35,36,38,40,41,44,45,46,47,48,49··（共半数） 中：06准
272期====02,03,05,07,08,09,11,15,19,21,22,26,27,28,29,30,33,34,35,36,37,38,39,40,41,46,48,49··（共半数） 中：？