问使用twist c#生成组合和变体

EN

static void Main()
    {
        string[] octalset = { "0", "1","2","3","4","5","6","7" };

        List<string> tracknum15 = new List<string>();
        List<string> tracknum19 = new List<string>();

        var v = new Variations<string>(octalset,3,GenerateOption.WithRepetition);

        foreach (var vv in v)
        {

            System.Diagnostics.Debug.WriteLine(string.Join("", vv));
            tracknum15.Add(vv);
        }

        string[] alphanumericset = { "0", "1", "2", "3", "4", "5", "6", "7", "A", "B", "C", "D", "E", "F", "G", "H", "J", "K", "L", "M", "N", "P", "Q", "S", "T", "U", "V", "W", "X", "Y", "Z" };

        var a = new Variations<string>(alphanumericset, 2, GenerateOption.WithRepetition);

        foreach (var aa in a)
        {
            System.Diagnostics.Debug.WriteLine(string.Join("", aa));
        }
    }