public void printMaze(Node currentNode, ArrayList<Node> closedNodes) {
		// Closed nodes will use "X" symbol
		for (Node closed : closedNodes) {
			// System.out.println("PRINT: Closed.getX(): " + closed.getX() + " Closed.getY(): " + closed.getY());
			this.maze[closed.getX()][closed.getY()] = "X";
		}
		// Current node will use "O" symbol
		this.maze[currentNode.getX()][currentNode.getY()] = "O";

		for (int x = 0; x < size.getX(); x++) {
			for (int y = 0; y < size.getY(); y++) {
				System.out.print(maze[x][y]);	
			}
			System.out.println();
		}
	}