private async Task CreateButtons()
{
this.ClearScreen();
for (int index = 0; index < this.intArr.Length; index++)
{
var item = this.intArr[index];
var btn = ButtonFactory.Create(item, index);
this.buttons.Add(btn);
this.Controls.Add(btn);
}
await this.Sort();
//this.CreateSwapAnimation(buttons[0], this.buttons[2]);
}