083期：半数：02,03,04,06,08,11,12,13,18,22,23,24,25,27,28,33,34,35,38,41,42,43,44,47,48,（共25个）开28中
084期：半数：01,02,04,06,12,14,15,19,20,21,24,25,26,29,31,32,35,36,41,42,44,45,46,49,（共24个）开20中
085期：半数：03,06,09,10,12,14,16,17,20,21,23,24,25,28,34,36,37,38,39,41,42,43,46,48,49,（共25个）？？？
