Numeric Triangle in C#

static void Main(string[] args)
{
     for (int i = 0; i <= 5; i++)
     {
        for (int j =i; j>= 0; j--)
        {
          Console.Write(" "+ j+" ");
          System.Threading.Thread.Sleep(100);
        }
      Console.Write(" \n");
      }
     Console.ReadLine();
}

Output:

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