244期：→№←【01,02,09,11,12,17,18,19,21,22,24,25,26,28,30,31,32,35,36,42,43,44,48,49】开：24对
245期：→№←【01,07,10,11,12,13,14,15,16,17,20,21,23,28,29,31,32,36,37,38,44,45,48,49】开：39错
246期：→№←【02,04,06,08,09,10,11,12,18,19,20,21,24,28,29,31,32,34,35,36,39,44,48,49】开：16错
247期：→№←【04,05,07,08,09,11,12,13,15,17,20,21,26,27,28,29,31,32,37,39,40,43,46,49】开：29对
248期：→№←【01,02,04,05,06,09,11,14,19,22,23,25,26,28,31,32,34,35,37,39,42,43,45,46】开：**