Chercher 3 éléments semblables dans une array

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class Duplicates {

	static ArrayList<Integer> ints = new ArrayList<Integer>();
	static List<String> myList = new ArrayList<String>();
	static ArrayList<Integer> cleanedList = new ArrayList<Integer>();;

	public static void main(String[] args) {
		myList.add("11112333");
		myList.add("99888776");
		myList.add("11522233");
		myList.add("15623555");
		myList.add("15623589");

		for (Iterator<String> it = myList.iterator(); it.hasNext();) {
			String s = it.next();
			ints.clear();
			for (int j = 0; j < s.length(); j++) {
				ints.add(Character.getNumericValue(s.charAt(j)));
			}
			int s1 = ints.size();
			System.out.println("ints : " + ints + "  size : " + ints.size());
			cleanedList = removeNextToAnotherDuplicates(ints);
			int s2 = ints.size();
			System.out.println("cleanedList : " + cleanedList + "  size : " + cleanedList.size());
			
			if ((s1<s2) || (s1>s2)) {
				System.out.println("ints changed");
				it.remove();
			}
		}
		System.out.println("myList : " + myList);

	}
	
	public static ArrayList<Integer> removeNextToAnotherDuplicates(ArrayList<Integer> list) {
		for (int i = 0; i < (list.size() - 2); i++) {
			boolean continueFlag = true;
			for (int j = i + 1; j < (list.size() - 1) && continueFlag;) {
				if (list.get(i).intValue() == list.get(j).intValue()) {
					for (int x = j + 1; x < list.size() && continueFlag;) {
						if (list.get(j).intValue() == list.get(x).intValue()) {
							list.remove(x);
							break;
						} else {
							continueFlag = false;
							x++;
						}
					}

				} else {
					continueFlag = false;
					j++;
				}
			}
		}

		return list;
	}
}