306期：16码≤≤04,05,07,08,14,15,17,18,21,25,30,33,37,41,44,47≥≥开：17对
307期：16码≤≤02,06,08,16,19,21,23,24,26,34,35,36,42,43,44,47≥≥开：20错
308期：16码≤≤01,02,06,07,12,14,15,17,18,22,26,27,31,38,43,45≥≥开：39错
309期：16码≤≤04,06,10,12,16,17,21,22,25,30,33,38,42,43,44,46≥≥开：//