244期:←24码→(01,03,04,05,07,09,10,12,13,15,16,18,25,28,29,31,33,34,40,41,43,46,47,49)开:03准
245期:←24码→(01,02,03,04,07,09,11,12,16,18,21,27,30,32,35,36,38,40,41,43,45,46,48,49)开:17错
246期:←24码→(01,02,03,04,06,09,12,13,17,20,24,27,28,29,31,32,33,34,35,37,41,45,47,49)开:??