   becker.robots.Wall 3 3 East
   becker.robots.Wall 3 3 South
   becker.robots.Thing 2 2
   becker.robots.Wall 3 2 West
   becker.robots.Wall 3 2 North
   becker.robots.Wall 3 2 East
   becker.robots.Thing 2 1
   becker.robots.Thing 1 1
   becker.robots.Thing 0 1
   becker.robots.Thing 0 0
