306期：→№←【02,05,07,09,10,12,13,15,16,17,18,19,21,30,31,32,35,38,41,42,43,44,47,49】开：17对
307期：→№←【01,03,08,09,10,12,13,14,15,16,17,19,21,25,27,30,31,36,40,41,42,46,47,49】开：20错
308期：→№←【04,06,07,08,10,12,15,16,17,18,19,20,22,25,26,31,38,40,43,45,46,47,48,49】开：39错
309期：→№←【01,02,03,04,05,09,10,12,16,20,21,22,24,28,30,31,32,37,40,41,43,45,47,49】开：**