269期：（（07,09,10,11,13,14,19,22,28,35,36,38,39,44,47,49））开：11中中中
270期：（（01,04,07,10,11,19,20,22,26,32,34,36,39,41,45,49））开：32中中中
271期：（（04,10,14,16,18,19,20,21,26,29,30,32,33,34,36,38））开：22错错错
272期：（（02,05,07,08,14,16,19,20,28,29,31,33,34,44,45,49））开：中？