public void FreqAlphabets_4()
        {
            var solution = new _1309_DecryptStringFromAlphabetToIntegerMapping();
            var result   = solution.FreqAlphabets("12345678910#11#12#13#14#15#16#17#18#19#20#21#22#23#24#25#26#");

            Assert.AreEqual("abcdefghijklmnopqrstuvwxyz", result);
        }
        public void FreqAlphabets_1()
        {
            var solution = new _1309_DecryptStringFromAlphabetToIntegerMapping();
            var result   = solution.FreqAlphabets("10#11#12");

            Assert.AreEqual("jkab", result);
        }
        public void FreqAlphabets_2()
        {
            var solution = new _1309_DecryptStringFromAlphabetToIntegerMapping();
            var result   = solution.FreqAlphabets("1326#");

            Assert.AreEqual("acz", result);
        }