015期：（（01,04,06,11,12,17,21,23,25,26,31,35,37,43,47,48））开：31中中中
016期：（（09,14,16,17,20,21,23,27,30,31,33,36,38,42,44,49））开：06错错错
017期：（（01,12,26,27,28,32,33,34,36,38,41,43,44,45,47,48））开：32中中中
018期：（（04,06,12,15,22,28,29,30,32,33,35,40,41,42,45,49））开：中？