049期:特围（（01,02,03,05,06,07,11,13,14,15,16,17,22,24,29,30,33,35,41,42,43,44,45,46））开13准
050期:特围（（05,06,07,09,10,12,13,15,17,18,19,20,27,31,32,33,37,38,39,40,41,42,44,46））开23错
051期:特围（（02,03,08,11,12,14,15,16,17,19,22,23,26,28,29,30,33,34,36,39,41,43,45,49））开？中