gistfile1.cs

public static long encode(IEnumerable<int> cards)
  	{
			long result = 0;
			foreach(int c in cards)
			{
				result |= encode(new Card(c));
			}
			return result;
		}

public static long encode(Card c)
		{
			return 0x1L << ((int) c.Suit*16 + (int) c.Rank);
		}