internal static void MixCards <TCard>(this ICards <TCard> board, int times)
where TCard : class, ICard
{
Random rand = new Random();
do
{
int card1Index = rand.Next(0, board.NumOfCards);
int card2Index = rand.Next(0, board.NumOfCards);
board.ReplaceCardsPositions(card1Index, card2Index);
} while (times-- > 0);
}
