public void test()
        {
            IEnumerable<bool> inputs = GetInputs();

            string cronweek = "";

            for (int i = 0; i < inputs.Count(); i++)
            {
                if (inputs.ElementAt(i))
                {
                    cronweek += $"{i},";
                }
            }

            // 0,2,4,5,6,
            Console.WriteLine(cronweek);

        }

        public IEnumerable<bool> GetInputs()
        {
            return new[] { true, false, true, false, true, true, true };
        }