270期：←24码→（01,02,03,06,10,11,15,17,19,20,21,22,23,25,26,28,30,32,34,37,40,43,46,47）开：19准
271期：←24码→（03,04,05,07,08,09,10,13,14,16,17,18,22,26,28,31,36,37,38,40,43,46,47,48）开：35错
272期：←24码→（01,07,08,09,10,11,14,15,18,19,21,26,28,29,31,32,37,39,41,42,44,45,46,49）开：？？