Better Random number blocks, C#

Language: Layout:

//Title of this code
//Rextester.Program.Main is the entry point for your code. Don't change it.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            
            
         Random rdm = new Random();
         Random rdm1 = new Random();
         Random rdm2 = new Random();
         Random rdm3 = new Random();
         Random rdm4 = new Random();
         Random rdm5 = new Random();
         Random rdm6 = new Random();
         Random rdm7 = new Random();
         Random rdm8 = new Random();
         Random rdm9 = new Random();
         Random rdm10 = new Random();
         Random rdm11 = new Random();
         Random rdm12 = new Random();
         Random rdm13 = new Random();
         Random rdm14 = new Random();
         Random rdm15 = new Random();
         Random rdm16 = new Random();
         Random rdm17 = new Random();
         
            
         int ran = rdm.Next(100,999);
         int ran1 = rdm.Next(100,999);
         int ran2 = rdm.Next(100,999);
         int ran3 = rdm.Next(100,999);   
         int ran4 = rdm.Next(100,999);   
         int ran5 = rdm.Next(100,999);   
         int ran6 = rdm.Next(100,999);   
         int ran7 = rdm.Next(100,999);   
         int ran8 = rdm.Next(100,999);   
         int ran9 = rdm.Next(100,999);
         int ran10 = rdm.Next(100,999);
         int ran11 = rdm.Next(100,999);
         int ran12 = rdm.Next(100,999);   
         int ran13 = rdm.Next(100,999);   
         int ran14 = rdm.Next(100,999);   
         int ran15 = rdm.Next(100,999);   
         int ran16 = rdm.Next(100,999);   
         int ran17 = rdm.Next(100,999); 
            
         Console.Write("Numbers: {0} {1} {2} ", ran, ran1, ran2);    Console.WriteLine("| Numbers: {0} {1} {2} ", ran9, ran10, ran11);
         Console.Write("Numbers: {0} {1} {2} ", ran3, ran4, ran5);   Console.WriteLine("| Numbers: {0} {1} {2} ", ran12, ran13, ran14); 
         Console.Write("Numbers: {0} {1} {2} ", ran6, ran7, ran8);   Console.WriteLine("| Numbers: {0} {1} {2} ", ran15, ran16, ran17);
          
         
           
         
         
            
            
        }
    }
    }

Show compiler warnings [ + ] Show input
Compilation time: 0.11 sec, absolute running time: 0.12 sec, cpu time: 0.12 sec, average memory usage: 16 Mb, average nr of threads: 4