public static void Main()
Console.WriteLine("Hello World");
var testData1 = new string[]
foreach (var item in testData1)
var pairs = item.Split(',');
var pairsInt = pairs.Select(x=>x.Split('-').Select(y=> Convert.ToInt32(y)).ToArray()).OrderBy(z=>z[0]);
foreach(var pair in pairsInt)
Console.WriteLine($"{pair[0]}, {pair[1]}");