320期：≦齿轮≧↙特②④码↘【05,07,12,14,18,19,20,21,22,24,28,30,31,32,33,35,36,38,39,41,42,45,47,49】 开:？？准准
319期：≦齿轮≧↙特②④码↘【03,04,09,10,13,15,17,18,20,21,24,25,27,28,32,35,36,38,39,40,41,42,44,49】 开:鼠41准准