static void Main(string[] args)
{
var someData = new List <TravelCard>()
{
new TravelCard("Питер", "Владивосток"),
new TravelCard("Казань", "Можайск"),
new TravelCard("Владивосток", "Тверь"),
new TravelCard("Сочи", "Анапа"),
new TravelCard("Тверь", "Сочи"),
new TravelCard("Москва", "Питер"),
new TravelCard("Калуга", "Казань"),
new TravelCard("Можайск", "Москва")
};
Console.WriteLine("Входные данные:");
Console.WriteLine(TravelCard.CollectionToString(someData));
var result = TravelCard.Sort(someData);
Console.WriteLine("Результат:");
Console.WriteLine(TravelCard.CollectionToString(result));
Console.ReadKey();
}
