320期：←24码→（02,03,06,07,09,10,11,12,14,16,23,27,28,29,32,33,35,39,41,43,44,47,48,49）开：12准
321期：←24码→（01,02,05,07,08,13,14,15,19,20,21,25,27,29,31,32,35,36,37,41,43,45,48,49）开：36准
322期：←24码→（01,04,05,06,07,12,13,14,15,16,18,21,22,23,25,28,29,32,34,36,37,41,44,46）开：27错
323期：←24码→（01,02,03,04,08,09,10,13,14,15,16,17,19,24,28,32,33,34,35,38,39,43,45,46）开：？？