273期：→№←【01,02,04,05,08,14,16,17,22,25,26,27,30,31,33,34,38,40,41,42,43,44,45,49】开：05对
274期：→№←【01,02,03,05,08,09,11,12,20,21,22,23,24,25,27,28,29,31,34,36,42,43,46,48】开：33错
275期：→№←【03,04,06,07,10,13,20,21,22,23,24,27,28,29,31,32,35,36,39,41,43,45,46,47】开：17错
276期：→№←【04,05,11,12,13,14,15,16,17,18,20,28,29,34,37,38,39,41,42,43,44,46,48,49】开：14对
277期：→№←【03,04,05,07,10,11,12,14,16,17,23,25,26,28,33,34,35,38,39,41,42,45,46,48】开：11对
278期：→№←【01,03,05,07,09,11,13,14,15,16,20,22,23,24,26,27,28,31,32,34,40,44,46,49】开：**