import java.util.*;
import java.lang.*;
import java.io.*;

class Main {
    public static void main(String[] args) {
        ArrayList<Integer> list = new ArrayList<>();
        list.add(1);
        list.add(4);
        list.add(11);
        list.add(6);
        list.add(3);
        list.add(10);
    System.out.println(list);
    
    Collections.sort(list);
    System.out.println(list);
    
    Collections.reverse(list);
    System.out.println(list);
    
    Collections.shuffle(list);
    System.out.println(list);
        
    }
}