cdimage: questions about weekly builds

[Fabio <rola.hack@gmail.com>]

Hello,

I found something strange when I downloaded debian CD.

Folder [1] contains only eigth CDs, is it correct?
Why there are CHECKSUM [2] for files which are not in the CDs folder?
Same questions for DVDs [3]

Thanks
~~~
[1] http://cdimage.debian.org/cdimage/weekly-builds/amd64/iso-cd/
[2] http://cdimage.debian.org/cdimage/weekly-builds/amd64/iso-cd/MD5SUMS
[3] http://cdimage.debian.org/cdimage/weekly-builds/amd64/iso-dvd/

Attachment: signature.asc
Description: This is a digitally signed message part