public int[] Extract3Cups()
{
var idx = Cups.IndexOf(CurrentCup);
int[] cups3 = new int[3];
var count = (Cups.Count - (idx + 1)) >= 3 ? 3 : (Cups.Count - (idx + 1));
Cups.CopyTo(idx + 1, cups3, 0, count);
Cups.RemoveRange(idx + 1, count);
if (count < 3)
{
count = 3 - count;
Cups.CopyTo(0, cups3, 3 - count, count);
Cups.RemoveRange(0, count);
}
return(cups3);
}