void displayCurrentPoint(Coordinate cp) {
		for (int y = 0; y < columnLength; y++) {
			for (int x = 0; x < columns; x++) {
				System.out.print(Ladder4.ladderAL.get(x)[y]);
				if (cp.getX() == x && cp.getY() == y) {
					System.out.print(" *");
				}
				System.out.print("\t");
			}
			System.out.println();
		}
		System.out.println("======================================================");
	}