public static int maxSection(String s1,String s2,int counter, int counterTemp){ 
		if (s2.length()==0)
			if (counter>counterTemp)
				return counter;
			else
				return counterTemp;
		if (s1.indexOf(s2.charAt(0))!=-1)
			return maxSection(s1, s2.substring(1), counter, counterTemp+1);
		else
			return maxSection(s1, s2.substring(1), counterTemp, 0);
	
	}
	public static int maxSection(String s1, String s2)
	{
		return maxSection(s1, s2, 0, 0);
	
	}