170期====03,05,06,07,10,13,14,15,19,21,24,25,27,29,30,31,35,36,39,41,44,45,47,48··(共半数) 中:10准
171期====01,02,07,08,12,13,14,15,16,18,19,26,27,29,31,32,33,34,37,38,42,47,48,49··(共半数) 中:16准
172期====01,03,07,09,10,11,15,16,17,22,23,25,27,29,30,33,37,39,40,43,45,46,47,48··(共半数) 中:32错
173期====01,02,07,11,13,14,16,17,24,25,26,28,30,31,34,36,37,38,41,42,43,46,47,48··(共半数) 中:?