class Program
{
    private static void Main()
    {
        var records = new List<Record>
        {
            new Record {ID = 1, ParkingID = 5},
            new Record {ID = 7, ParkingID = 6},
            new Record {ID = 4, ParkingID = 3},
            new Record {ID = 3, ParkingID = 2},
            new Record {ID = 2, ParkingID = 3},
            new Record {ID = 8, ParkingID = 4},
            new Record {ID = 6, ParkingID = 7},
            new Record {ID = 5, ParkingID = 1}
        };

        records.Sort((x, y) =>
        {
            if (y.ParkingID == 3) return 1;
            if (x.ParkingID == 3) return -1;

            return x.ID.CompareTo(y.ID);
        });

        foreach (Record record in records)
        {
            Console.WriteLine("ID: {0}, ParkingID: {1}", record.ID, record.ParkingID);
        }

        Console.ReadKey();
    }
}