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