private void Draw_Click(object sender, RoutedEventArgs e)
 {
     if (left < 0 || right < 0)
     {
         return;
     }
     sys.Draw(left, right, id1, id2);
     sys.Model.GameCount++;
     sys.Save();
     RountText.Text = $"{sys.Model.GameCount.ToString()} 라운드";
     Task.Run(() => LoadNext());
 }