using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("new string[0] - " + string.Join(",", new string[0]));

        Console.WriteLine("new string[]{ \"\", \"1\", \"\", \"2\" } - " + string.Join(",", new string[]{ "", "1", "", "2"}));

        Console.WriteLine("new string[]{ \"1\", \"2\", \"3\" } - " + string.Join(",", new string[]{ "1", "2", "3"}));

    }

}