272期:16码≤≤08,11,12,14,18,20,21,23,25,26,32,38,41,42,44,45≥≥开:23对
273期:16码≤≤03,07,11,12,13,16,19,25,28,29,30,31,36,41,42,44≥≥开:05错
274期:16码≤≤02,04,06,09,10,11,15,17,18,24,26,27,30,33,40,49≥≥开:24对
275期:16码≤≤02,07,09,10,13,14,17,21,22,23,25,26,27,29,41,46≥≥开:31错
276期:16码≤≤01,06,07,11,18,20,22,23,27,30,34,35,36,41,44,45≥≥开://