public ulong[] GetRandomCell()
        {
            double index = StrongRandom.NextDouble();

            for (int i = 0; i < Cells.Count; i++)
            {
                if (Cells.Keys.ElementAt(i) > index)
                {
                    return(Cells.Values.ElementAt(i));
                }
            }
            return(Cells.ElementAt(0).Value);
        }