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：39错错错
019期：（（02,03,06,07,12,13,15,16,19,20,25,28,33,35,44,49））开：46错错错
020期：（（03,05,12,13,14,17,23,24,31,34,37,43,44,45,47,49））开：12中中中
021期：（（01,04,05,12,13,17,18,19,21,23,26,29,30,33,41,44））开：中？