176期：01,02,03,05,09,11,12,16,17,18,19,20,24,27,30,34,35,37,41,43,45,46,48,49··（共半数）开03准
177期：01,03,04,06,08,10,13,17,20,21,23,25,26,30,31,34,35,38,39,42,44,45,46,49··（共半数）开11错
178期：02,03,05,06,07,09,11,13,21,25,26,29,31,33,34,35,36,37,39,40,43,46,47,48··（共半数）开20错
179期：02,03,05,07,09,18,19,20,22,24,25,26,30,31,32,37,38,39,40,42,43,46,47,48··（共半数）开？？！