private void printLab() {
		for (Node2[] row : nodeNetwork) {
			for (Node2 node : row) {
				System.out.print("Node: (" + node.getX() + "," + node.getY() + ") Children:");
				for (Node2 child : node.getChildren()) System.out.print(" (" + child.getX() + "," + child.getY() + ")");
				System.out.println();
			}
		}
	}