317期:16码≤≤05,06,11,14,16,17,18,25,26,30,32,34,37,39,40,42≥≥开:39对
318期:16码≤≤01,03,05,06,09,10,16,17,18,19,20,24,26,28,33,46≥≥开:28对
319期:16码≤≤02,05,06,08,16,17,18,19,21,23,25,26,27,33,35,41≥≥开:43错
320期:16码≤≤03,04,05,06,07,11,14,18,20,28,29,35,39,43,44,47≥≥开:39对
321期:16码≤≤01,03,05,06,08,09,11,13,18,27,28,33,38,39,46,49≥≥开://