private static Coordinate setEdgeCoord(EnumArray[][] ara, EnumArray room) {
		int size = ara.length;
		Random r = new Random();
		int side = r.nextInt(4); 
		int x = 0, y = 0;
		if (side == 0) {x = 0; y = r.nextInt(size-2) + 1;} //random # b/t 1 and size-2 inclusive
		if (side == 1) {y = 0; x = r.nextInt(size-2) + 1;}
		if (side == 2) {y = size-1; x = r.nextInt(size-2) + 1;}
		if (side == 3) {x = size-1; y = r.nextInt(size-2) + 1;}
		Coordinate coord = new Coordinate(x,y);
		ara[coord.getY()][coord.getX()] = room;
		return coord;
	}