This is my first map with 3 puzzles.

File Name: test1.rar
File Size: 4.05 MiB
Click here to download coop test nr1

I'm playing custom maps and record my first time of playing them. So the run is not perfect and may not use only intended ways, but maybe it can let you see how other people may understand the map or you could just enjoy someone playing this map for entertainment.
Anyways, here is the recording:

tcxW2NF8ftg
(Link: http://www.youtube.com/watch?v=tcxW2NF8ftg)

Also note the video description for more feedback and my signature for additional project information.