242期：16码[[01,03,05,09,10,15,16,18,24,29,39,41,43,44,45,48]]开：16√
243期：16码[[02,03,06,10,11,13,14,16,18,25,38,39,41,42,44,49]]开：48x
244期：16码[[06,07,08,13,15,16,17,19,25,26,28,32,34,36,41,43]]开：24x
245期：16码[[03,07,11,12,13,19,24,29,30,32,36,40,43,44,46,49]]开：//