C# C#

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.IO;
    namespace Padroes
    {
    class Program
    {
        static void Main(string[] args)
        {
            try
            {


                // Open the text file using a stream reader.
                const string FILENAME = @"Example.txt";


                    List<List<int>> data = new List<List<int>>();

                    string inputLine = "";
                    StreamReader reader = new StreamReader(FILENAME);

                    while ((inputLine = reader.ReadLine()) != null)
                    {
                        inputLine = inputLine.Trim();
                        if (inputLine.Length > 0)
                        {
                            List<int> inputArray = inputLine.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).Select(x => int.Parse(x)).ToList();

                            data.Add(inputArray);
                        Console.WriteLine(inputLine);
                        }
                    }
                }

            catch (Exception e)
            {
                Console.WriteLine("The file could not be read:");
                Console.WriteLine(e.Message);
            }

            Console.ReadKey();
        }
    }
    }

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