270期：←24码→（01,06,08,09,10,11,13,14,18,20,22,23,25,26,30,31,32,36,39,40,44,45,47,49）开：32准
271期：←24码→（01,05,06,07,08,10,11,12,13,14,19,20,23,25,26,29,32,37,38,40,41,42,43,48）开：22错
272期：←24码→（01,02,03,04,05,06,09,12,18,19,21,23,26,29,33,34,38,39,40,43,44,45,46,48）开：34准
273期：←24码→（02,05,10,15,17,18,24,26,27,28,30,31,32,33,34,35,36,37,38,39,41,42,47,48）开：？？