static void Main(string[] args)
        {
            int[] array = { 5,2,6,1,3,4 };
            int pivot, left = 0, right = array.Length -1;
            pivot = left;

        quickRight:
        {
            while(array[pivot]<array[right])
            {
                right--;
            }
            if (array[pivot] > array[right])
            {

                int variableNum = array[pivot];
                array[pivot] = array[right];
                array[right] = variableNum;
                pivot = right;
                goto quickLeft;
            }
            else
            {
                if (pivot < array.Length -1)
                {
                    left = pivot + 1;
                    right = array.Length -1;
                    pivot = right;
                    goto quickLeft;
                }
            }
            }

        quickLeft:
        {
            while (array[pivot] > array[left])
            {
                left++;
            }
            if (array[pivot] < array[left])
            {
                int variableNum = array[pivot];
                array[pivot] = array[left];
                array[left] = variableNum;
                pivot = left;
                goto quickRight;
            }
            else
            {
                if (pivot > 0)
                {
                    right = pivot - 1;
                    pivot = 0;
                    left = 0;
                    goto quickRight;
                }
            }
        }
            Console.WriteLine(left);
            Console.WriteLine(right);

                for (int i = 0; i < array.Length; i++)
                    Console.WriteLine(array[i] + "'");
          }