public void calculate_Shortest_route()
        {
            var input             = $"London to Dublin = 464{Environment.NewLine}London to Belfast = 518{Environment.NewLine}Dublin to Belfast = 141";
            var parsedConnections = AOC_2015_Day09_Answer.ParseConnections(input).ToArray();
            var minValue          = AOC_2015_Day09_Answer.CalculateShortestRoute(parsedConnections);

            minValue.Should().Be(605);
        }
        public void AOC_2015_Day09a()
        {
            var input             = File.ReadAllText(".//Content2//Day09.txt");
            var parsedConnections = AOC_2015_Day09_Answer.ParseConnections(input).ToArray();
            var minValue          = AOC_2015_Day09_Answer.CalculateShortestRoute(parsedConnections);

            minValue.Should().Be(141);
        }