319期：16码≤≤04,05,15,20,23,24,25,26,29,30,35,42,44,45,47,49≥≥开：45对
320期：16码≤≤02,05,08,14,15,19,20,22,23,27,31,34,37,43,44,48≥≥开：28错
321期：16码≤≤02,03,18,19,23,24,27,29,34,35,38,39,41,45,47,49≥≥开：23对
322期：16码≤≤02,03,08,10,14,21,22,24,28,32,36,37,39,42,44,47≥≥开：//