241期01,02,07,09,14,16,18,20,21,22,23,24,26,35,42,43,45,47,48,49,（共20个）开20对
242期01,06,07,08,09,12,13,18,21,22,28,29,30,32,33,38,39,40,42,44,46,47,（共22个）开20错
243期01,03,04,07,08,12,13,14,15,16,24,25,29,30,35,36,37,41,42,46,47,49,（共22个）开18错
244期01,03,05,06,07,09,10,11,12,13,14,22,25,30,34,39,40,44,46,47,48,49,（共22个）开25对
245期01,04,07,09,10,12,13,15,16,18,20,21,25,30,32,37,38,41,45,47,49,（共21个）开？