public String[] getTopFourMoves(int l) {
		ArrayList<Integer> sort = new ArrayList<Integer>(list.keySet());
        Collections.sort(sort, new Comparator<Integer>(){
            public int compare(Integer o1, Integer o2) {
            	if (o1 > o2) {
            		return -1;
            	} 
            	if (o1 < o2) {
            		return 1;
            	}
            	return 0;
            }
        });
        
        for (int i = 0; i < sort.size(); i++) {
        	if (sort.get(i) <= l) {
        		return getFourMoves(sort, i);
        	}
        }
        return null;
	}