blackjack refactored

using System.Text;
var deck = new List<KeyValuePair<string, int>>();
var pickedCards = new List<KeyValuePair<string, int>>();
new List<string> { "♠", "♥", "♦", "♣" }.ForEach(s => Enumerable.Range(2, 13).ToList().ForEach(n => deck.Add(new(s, n))));
//for (int b = 0, a = 0, c = 0, k = 9, u = 0, p = k * k - 1, _ = deck.First().Value; u < 12; Write((
//a == 0 | a == 8 | c == 0 | c == 8 ? "X" : a == k / 2 - 1 & c == k / 2 ? deck.First().Key : a == k / 2 & c == k / 2 ? _ == 10 ? "T" : _ == 11 ? "B" : _ == 12 ? "D" : _ == 13 ? "K" : _ == 14 ? "Á" : _ : " ") + (a == 8 ? "\n" : "")),
//     a = b % k, c = b / k, deck.Remove(b == p ? deck.First() : new()), b = b++ == p ? 0 : b, _ = deck.First().Value, u += b == p ? _ == 14 ? u + 11 > 21 ? 1 : 11 : _ > 9 ? 10 : _ : 0) ;

const int size = 9;
deck = Shuffle(deck);
var cardsTotalValue = 0;

while (cardsTotalValue <= 11)
{
    var pickedCard = deck.First();
    pickedCards.Add(pickedCard);
    var cardString = DisplayCard(pickedCard, size);
    cardsTotalValue = GetValue(pickedCards);
    Console.WriteLine(cardString);
    deck.Remove(pickedCard);
}

Console.WriteLine($"Kártyák összértéke: {cardsTotalValue}\n");
Console.WriteLine($"A következő lap ez lett volna: \n\n{DisplayCard(deck.First(),size)} ");

static int GetValue(List<KeyValuePair<string, int>> pickedCards)
{
    var result = 0;
    foreach (var card in pickedCards)
    {
        switch (card.Value)
        {
            case <= 10:
                result += card.Value;
                break;
            case <= 13:
                result += 10;
                break;
        }
    }
    var aces = pickedCards.FindAll(c => c.Value == 14).ToList();
    result += aces.Count;
    if (aces.Count > 0 && result !<= 11)
    {
        result += 10;
    }
    return result;
}

static List<KeyValuePair<string, int>> Shuffle(List<KeyValuePair<string, int>> deck)
{
    return deck.OrderBy(l => new Random().Next()).ToList();
}

static string DisplayCard(KeyValuePair<string, int> card, int size)
{
    const char border = 'X';
    const char space = ' ';
    const char ten = 'T';
    const char jack = 'J';
    const char queen = 'D';
    const char king = 'K';
    const char ace = 'Á';

    var displayCard = new StringBuilder();
    var endBorder = size - 1;
    const int startBorder = 0;
    var suitPlace = size / 2 - 1;
    var center = size / 2;
    for (var row = 0; row < size; row++)
    {
        for (var column = 0; column < size; column++)
        {
            if (row == startBorder || row == endBorder || column == startBorder || column == endBorder)
            {
                displayCard.Append(border);
            }
            else if (row == center && column == suitPlace)
            {
                displayCard.Append(card.Key);
            }
            else if (row == center && column == center)
            {
                switch (card.Value)
                {
                    case < 10:
                        displayCard.Append(card.Value);
                        break;
                    case 10:
                        displayCard.Append(ten);
                        break;
                    case 11:
                        displayCard.Append(jack);
                        break;
                    case 12:
                        displayCard.Append(queen);
                        break;
                    case 13:
                        displayCard.Append(king);
                        break;
                    case 14:
                        displayCard.Append(ace);
                        break;
                }
            }
            else
            {
                displayCard.Append(space);
            }
            if (column == endBorder)
            {
                displayCard.Append(Environment.NewLine);
            }
        }
    }
    return displayCard.ToString();
}