249期：28码（01,03,04,05,07,08,09,10,12,13,14,15,17,20,21,23,24,27,28,31,33,35,37,38,40,41,44,47）开？23准
250期：28码（01,04,06,07,10,12,13,14,16,17,23,25,26,27,28,30,31,32,33,35,36,37,40,41,42,45,46,48）开？14准
251期：28码（01,03,05,08,10,11,12,13,14,16,17,20,21,22,24,25,26,27,28,32,33,37,39,42,43,45,46,47）开？？？