178期：01,03,06,07,08,09,10,12,14,15,16,20,21,22,23,25,29,31,32,33,34,35,37,38,39,41,48,49··（共半数）开38准
179期：01,04,07,08,10,12,14,16,18,19,20,21,23,25,28,30,32,33,34,36,38,39,40,41,42,43,47,49··（共半数）开32准
180期：03,04,05,06,08,10,11,13,14,16,17,20,22,23,24,25,31,32,33,36,38,41,43,44,45,47,48,49··（共半数）开33准
181期：01,04,05,06,07,11,12,13,14,17,18,21,23,24,26,28,31,32,35,36,37,39,40,42,43,44,46,49··（共半数）开30错
182期：01,02,03,05,06,08,10,11,12,13,15,16,18,19,21,22,27,28,30,32,33,38,40,41,42,43,44,48··（共半数）开43准
183期：02,03,04,06,08,09,12,13,14,17,21,22,24,26,27,29,31,32,34,36,37,38,39,43,45,47,48,49··（共半数）开？？！