268期：（（03,06,07,08,11,13,15,20,27,28,30,32,35,38,40,47））开：40中中中
269期：（（06,11,13,14,15,19,26,28,29,30,31,32,36,38,47,49））开：22错错错
270期：（（04,07,08,11,14,15,18,19,26,28,33,34,35,39,43,47））开：19中中中
271期：（（02,03,08,11,12,14,15,16,17,22,27,28,29,34,36,46））开：35错错错
272期：（（02,11,13,15,16,18,21,24,25,27,35,38,40,42,46,49））开：中？