public static void main(String[] args) {
		String[] param0 = new String[] { "UUUU", "UUUU", "QUUU", "UUUU" };
		ChessCover c = new ChessCover();
		System.out.println(c.getSafe(param0));
		c.print();
		
		String[] param1 = new String[] { "UBUKUUUBUU","UUUUBUUQUR"};
		
		ChessCover c2 = new ChessCover();
		System.out.println(c2.getSafe(param1));
		
		c2.print();
		String[] p2 = new String[]{"UUUUUQ"
		,"UUUUUU"
				,"BURUUU"
				,"UUKUUU"
				,"UUUUUU"};
		
		ChessCover c3 = new ChessCover();
		System.out.println(c3.getSafe(p2));
		c3.print();
	
		// c.doQ(0, 0);
	}