using System;

using System.Linq;

using Combinatorics.Collections;

​

public enum MyEnum

{

    One = 1,

    Two = 2,

    Three = 3,

    Four = 4

}

​

public class Program

{

    public static void Main()

    {

        var allPossibleEnums = Enum.GetValues(typeof(MyEnum)).ToList();

        var variations = new Variations<MyEnum>(allPossibleEnums, 3, GenerateOption.WithoutRepetition);

        foreach (var v in variations)

        {

            Console.WriteLine().WriteLine(string.Join(",", ));

        }

    }

}