268期:←24码→(02,03,05,13,18,21,25,26,27,30,31,32,33,34,35,36,38,39,41,43,44,45,46,48)开:27准
269期:←24码→(04,06,07,08,09,10,12,14,15,16,18,19,20,23,24,25,27,28,30,38,40,41,44,46)开:48错
270期:←24码→(03,06,07,08,09,14,15,16,17,18,21,25,28,31,32,34,36,37,40,41,42,45,46,48)开:??