158期：01,02,03,04,06,07,10,11,14,15,20,23,24,27,28,31,32,33,35,37,39,41,43,47··（共半数）开20准
159期：02,06,07,11,16,17,18,21,22,23,24,27,30,31,33,36,38,41,42,43,44,46,47,49··（共半数）开29错
160期：02,06,09,10,12,17,20,22,23,25,26,28,30,31,33,34,36,37,42,44,45,46,47,48··（共半数）开？？！