tar -zxvf <long ass file name> gets you strcmp.fat32 Mounting it gives you loads of errors, so you can't actually cd into any of them
Googling the error gives us a tool of fsck. As it's a fat32 filesystem, we need to use fsck.vfat
sudo fsck.vfat -l -v -a -t ./strcmp.fat32
This gives us a load of files, but most noticeable is that the flag starts with PCTF
So if we run it again, and grep for "P/C/T/F" we again get a load of results. If we look through those, we notice