Express Thru

Mankinds long-awaited dream to make the universe as their home has became reality! But how? They just did it by figuring out how to process resources from the outer planets. Now you can contribute as a member of this terraforming project simply by making path for the robot to deliver those resources! What you need to do is to draw a path that this robot can load and deliver the specified resources as many times as required. Just remember one thing. You should draw this line at a single stroke, s...