anchor.diff:      setNewLocation();
     }
   
  -  void render(CanvasRenderingContext2D crc) {
  -    location.render(crc, gold_color);
  +  Coord getLocation() {
  +    return location;
     }
   
   
  
positive.code: 
    void onUpdate(GameLoop gameLoop) {
      if (!snake.isRunning()) {
        print("Stopping game");
        gameLoop.stop();
      }
  
  
negative.code: 
  // Create a CustomState class with unique state properties
  
  const num width = 10;
  const num height = 10;
  num initialPauseInMillis = 400;
  