185期：05,08,09,10,12,13,16,17,18,19,21,24,30,31,34,35,36,38,42,44,45,46,48,49··（共半数）开42准
186期：01,04,06,07,09,14,17,19,20,22,23,24,25,26,27,29,31,33,34,35,37,38,41,45··（共半数）开29准
187期：01,02,03,04,05,09,10,14,15,16,20,21,24,25,30,31,35,37,38,42,43,46,47,49··（共半数）开39错
188期：02,03,04,06,07,08,09,11,13,14,16,17,18,19,20,28,30,31,34,38,40,45,46,47··（共半数）开？？！