250期:特围（（01,02,03,04,05,06,07,11,12,16,17,20,24,25,26,29,33,34,35,36,42,43,48,49））开24准
251期:特围（（02,03,04,05,06,09,10,15,17,20,21,23,26,28,29,30,37,38,39,41,43,44,47,48））开14错
252期:特围（（02,04,05,06,08,11,12,13,15,20,22,23,24,26,30,31,32,34,35,37,39,41,44,48））开36错
253期:特围（（01,03,04,08,09,11,12,17,23,25,27,28,29,32,33,34,38,40,41,42,44,45,48,49））开？中