181期原始大围
【12,13,14,15,16,17,18,19,20,24,25,26,27,28,29,30,31,32,36,37,38,39,40,41,42,43,44,48,49,（共29个）】

下开02
180期原始大围
【01,03,05,06,08,09,10,11,13,15,18,19,20,22,23,24,25,29,41,42,45,46,47,48,49,（共25个）】

下开01
179期原始大围
【01,02,03,04,05,08,09,20,21,23,24,25,26,27,28,29,31,33,35,36,37,38,39,40,41,43,48,49,（共28个）】

下开20
178期原始大围
【01,02,03,04,07,10,11,12,13,14,15,16,19,20,21,22,24,25,26,27,28,32,33,34,36,37,38,39,（共28个）】