/* package whatever; // don't place package name! */

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

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String[][] data = new String[4][];

		data[0] = new String[4];
		data[0][0] = "Columbia";
		data[0][1] = "Chile";
		data[0][2] = "Asia";
		data[0][3] = "US";

		data[1] = new String[3];
		data[1][0] = "B216";
		data[1][1] = "B217";
		data[1][2] = "A442";
		// data[1][3] = "N665";

		data[2] = new String[4];
		data[2][0] = "This";
		data[2][1] = "Is";
		data[2][2] = "So";
		data[2][3] = "Cool";

		data[3] = new String[3];
		data[3][0] = "Holy";
		data[3][1] = "Z";
		data[3][2] = "AZZZ";

		List<String[]> list = new ArrayList<>();

		// Sort the String array and insert it in List
		for (String dataArr[] : data) {
			String s[] = dataArr.clone(); // create new object of String array
			Arrays.sort(s); // Sort newly created String array
			list.add(s);
		}

		// Sort the list using custom comparator
		Collections.sort(list, new Comparator<String[]>() {

			@Override
			public int compare(String[] o1, String[] o2) {

				// optional: condition to check for string length equality
				if (o1.length == o2.length) {
					for (int i = 0; i < o1.length; i++) {
						if (o1[i].equals(o2[i])) { // ** IMP **
							// allows scanning through entire string array.
							continue;
						}
						// Find the first different strings in both arrays
						return o1[i].compareTo(o2[i]);
					}
				} else if (o1.length < o2.length) {
					// allow string arrays with lesser elements to appear first
					return -1;
				} else if (o1.length > o2.length) {
					return 1;
				}

				// When o1.length == o2.length and all strings are equal
				return 0; // no difference
			}

		});

		// Printing the original array and our list
		System.out.println(Arrays.deepToString(data));
		System.out.println();
		for (String s[] : list) {
			System.out.println(Arrays.toString(s));
		}
	
	}
}