Untar the downloaded tar file we got another tar named 999.tar
 
Examine the 1000.tar ``xxd`` we can see ``999.tar`` all the way down to ``1.tar``

```
xxd 1000.tar
```

Create a script ``untar.sh`` to do the untar job, Found one flag in like1000/1.tar.out/flag.png, but it's not the correct one.
