public ActionResult Palindromes(PalindromeTool pt)
        {
            if (ModelState.IsValid)
            {
                var request   = new PalindromeRequest();
                var evaluator = new PalindromeEvaluator();
                request.RawString = pt.RawString;
                request           = evaluator.EvaluatePalindrome(request);
                if (request.IsPalindrome)
                {
                    pt.IsPalindrome = 1;
                }
                else
                {
                    pt.IsPalindrome = 2;
                }

                return(View("Palindromes", pt));
            }
            return(View("Palindromes"));
        }
        public ActionResult Palindromes()
        {
            var model = new PalindromeTool();

            return(View(model));
        }