using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var numbers = Enumerable.Range(1, 10);

        var nos = numbers.Chunk(5);

        int i = 0;

        foreach(int[] n in nos) {

            Console.WriteLine($"\n\nChunks #{i+1}: \n");

            foreach(int n1 in n) Console.Write($"{n1},");

            Console.WriteLine("\n");

            foreach(int n2 in n) Console.Write($"{n2},");

            i+=1;

        }

    }

}