public void Test_1()
        {
            string[] lines =
            {
                "IIII"    // -> IV saves 2
                , "XIIII" // -> XIV saves 2
            };
            var sut = new E089RomanNumerals();

            Assert.Equal(4, sut.FindNumberCharactersSaved(lines));
        }
        public void Solution()
        {
            /*
             * Find the number of characters saved by writing each of these in their minimal form.
             */

            string[] lines = ReadFile();

            var sut = new E089RomanNumerals();

            Assert.Equal(743, sut.FindNumberCharactersSaved(lines));

            /*
             *
             * Congratulations, the answer you gave to problem 89 is correct.
             * You are the 18842nd person to have solved this problem.
             * This problem had a difficulty rating of 20%.
             *  You have earned 1 new award:
             *  As Easy As Pi: Solve problems 3, 14, 15, 92, 65, 35, 89, 79, 32, 38, and 46
             */
        }