255期：16码≤≤02,04,05,10,14,15,16,17,25,27,36,39,44,47,48,49≥≥开：44对
256期：16码≤≤02,05,06,09,10,16,18,23,25,26,30,33,35,38,45,48≥≥开：01错
257期：16码≤≤06,08,09,11,15,20,23,30,33,35,36,37,40,41,44,46≥≥开：07错
258期：16码≤≤04,06,08,10,17,18,22,23,32,35,36,38,40,41,45,47≥≥开：//