Bertl16-cross
History
forward-->back-->turn right-->forward-->back-->turn left-->back-->forward-->turn right-->back-->forward-->turn left (loop)
2016-06-16, by WelzAlex [Thu, 16 Jun 2016 16:43:31 +0000] rev 0
forward-->back-->turn right-->forward-->back-->turn left-->back-->forward-->turn right-->back-->forward-->turn left (loop)