3米

![image-20210720182748443](D:\Typora\TyporaImages\image-20210720182748443.png)





4.4米

![image-20210720183411473](D:\Typora\TyporaImages\image-20210720183411473.png)





5.2米







6米

![image-20210720183224463](D:\Typora\TyporaImages\image-20210720183224463.png)





6.8米







7.6米







8.4米







9.2米







7-9-4