using System;

using System.Globalization;                 

public class Program

{

    public static void Main()

    {

​

        for (int i = 0; i < 2000; ++i)

        {

            try

            {

                var ci = new CultureInfo("nl-" + new string('A', i),false);

                Console.WriteLine(String.Format("{0} found",i));

            } 

            catch (CultureNotFoundException)

            {

​

            }

        }   

    }

​

}