274期：→№←【03,04,07,08,11,15,17,18,19,23,25,26,27,28,30,33,34,36,39,40,42,45,46,49】开：23对
275期：→№←【01,02,03,06,07,10,14,16,19,21,22,23,27,30,31,33,35,36,37,40,41,42,44,46】开：05错
276期：→№←【03,06,07,08,09,11,13,14,15,20,28,29,30,33,37,38,40,41,42,43,44,46,47,48】开：31错
277期：→№←【01,02,05,07,09,12,13,15,20,23,26,28,29,30,32,35,37,41,42,43,44,45,48,49】开：**
