The very first edition of the Weekly Puzzle Challenge host by the MX adventcalendar.
More information. Thanks to TGYoshi for the mode
How to play a puzzle?
Download the puzzle maptype and put it to myDocuments/Maniaplanet/Scripts/MapTypes/TrackMania/
unpack the zip file so that you have a txt in the Trackmania-folder.
Open the map with the editor in the Trackmania2 Title.
Start building and try to figure out the fastest solution for this puzzle. Validate it with the best time you can do and upload the replay here.
Guys, it's time to activate your brains and have fun