private static boolean areTopBottomEmpty(CatCage topCage, CatCage bottomCage)
	{
		return (topCage.getTopCell() == null && topCage.getRightCell() == null && topCage.getBottomCell() == null && topCage.getLeftCell() == null) && (bottomCage.getTopCell() == null && bottomCage.getRightCell() == null && bottomCage.getBottomCell() == null && bottomCage.getLeftCell() == null);
	}