306期:←24码→(01,04,05,08,10,11,14,15,18,19,20,26,27,32,36,37,38,40,41,42,43,44,45,47)开:38准
307期:←24码→(02,08,13,18,21,23,26,28,29,30,31,32,33,34,35,37,38,40,42,43,45,46,47,49)开:32准
308期:←24码→(02,05,06,07,10,11,12,14,21,24,25,29,30,31,32,34,35,38,40,41,42,46,47,49)开:??