This is a quick and dirty video. I used large paths and waste cans under the hedges. I'm surprised at the a.i. to know exactly which way to go. In a way it's kind of too bad that they don't get lost.
[video=youtube;3y9RKH3zMoA]https://www.youtube.com/watch?v=3y9RKH3zMoA&feature=youtu.be[/video]
[video=youtube;3y9RKH3zMoA]https://www.youtube.com/watch?v=3y9RKH3zMoA&feature=youtu.be[/video]