Iterator myIterator = masterList.iterator();
				List finalList = new ArrayList();
				int magicNumber = 0;
				
				while(myIterator.hasNext())
				{
					ArrayList stores =  (ArrayList)myIterator.next();
					
					for(int i = 0;i < stores.size();i++)
					{
					List nextList = (ArrayList)myIterator.next();
						if(nextList.contains(stores.get(i)))
						{
							magicNumber++;
						}
						if(magicNumber == stores.size())
						{
							finalList.add(stores.get(i));
						}
					}
				}