320期：←24码→（01,02,10,11,12,13,14,19,21,22,23,31,33,35,36,37,38,39,40,41,42,44,45,49）开：42准
321期：←24码→（02,04,05,08,09,10,11,12,13,16,19,20,21,23,25,26,29,36,39,40,41,43,46,47）开：22错
322期：←24码→（01,04,09,12,15,16,17,19,22,24,26,27,28,31,32,33,35,37,38,41,43,44,47,49）开：？？