I hope you enjoy solving it.

http://michael-zoell...description.pdf
http://michael-zoell...enge15image.png
You can also download it here plus you have the possibility to check your solution.
Many Greetings
MichaelZ
P.S. I don't know how to operate the new forum software. I wasn't able to attach those two files. I hope you have no problem to download them using the links.