MaxNum

public int MaxNum()
        {
            int max = 0;
            int temp = 0;
            var prev = Temp;
            var el = Temp;
            while (el != null)
            {
                if (el.Info == prev.Info)
                    temp++;
                else
                {
                    prev = el;
                    temp = 1;
                }
                if (temp > max) max = temp;
                el = el.Prev;
            }
            return max;
        }