What is the pattern of zimmerit?

Hi, I was wondering if the zimmerit was put in different patterns because I have seen some were it looks like this

and this.

and other types and I was wondering which is correct or if it depends on the tank.

Thanks, Anthony

These two links should answer most of your questions:

http://www.panzerdiesel.com/data/e/27b.html
http://www.track-link.net/articles/15

thanks