public static RNGCryptoServiceProvider rngCsp = new RNGCryptoServiceProvider(); //for the random numbers

        public static void PrintSudoku(int[,] x) //to Print, obviously
        {
            for (int i = 0; i < 9; i++)
            {
                for (int j = 0; j < 9; j++)
                {
                    Console.Write(x[i, j] + " ");
                }
                Console.WriteLine();
            }
        }


public static bool RunList(List<int> l, int j) //to check if the place is used already
        {
            bool li = true;
            if (l.IsEmpty() == true) //if no place was used before, then good and be true;
            {
                li = true;
            }
            else
            {
                Node<int> p = l.GetFirst();
                while (p.GetNext() != null)
                {
                    if (p.GetInfo() == j) //if this place was used, change to false to keep in the loop
                    {
                        li = false;
                    }
                    p.GetNext();
                }
            }
                return li;
        }

        public static void Test(int[,] x, List<int> l)
        {
            byte[] randomNumber = new byte[1];
            rngCsp.GetBytes(randomNumber); //random numbers
            bool li = false; 
            int count = 1;
            int j = (byte)((randomNumber[0] % 9 + 1));
            while (count < 10) //for 10 numbers 1-9
            {
                for (int i = 0; i < 9; i++) //for 9 rows of array 0-8
                {
                    while (x[i,j] != 0 || li == false) //to check if the spot is occupied by a number and if there is already the same number above it
                    {
                        j = (byte)((randomNumber[0] % 9 + 1)); //new random number
                        li = RunList(l, j); //to check if there is already the same number above
                    }
                    x[i, j] = count; //to make the point a number other than 0
                    Node<int> p = l.GetFirst();
                    for (int y = 1; y < count; y++)
                    {
                        p.GetNext();
                    }
                    l.Insert(p, j);//to put the place on the line that was used in the "memory bank" to check later if this row was used already
                    li = false;//restart
                }
                List<int> l1 = new List<int>();
                //l = l1; tried to restart the list, I probably need a better method
            }

        }


        static void Main(string[] args)
        {
            int[,] x = new int[9, 9];
            for (int i = 0; i < 9; i++)
            {
                for (int j = 0; j < 9; j++)
                {
                    x[i, j] = 0;
                    Console.Write(x[i, j] + " ");
                }
                Console.WriteLine(); //making everything 0
            }
            //for (int y = 0; y < 9; y++) IGNORE THIS PLEASE
            //{
            //    for (int i = 0; i < 9; i++)
            //    {
            //        for (int j = 0; j < 9; j++)
            //        {
            //            VerticalTest(x, i, j);
            //            HTest(x, i, j);
            //        }
            //    }
            //}
            //for (int y = 0; y < 9; y++)
            //{
            //    for (int j = 0; j < 9; j++)
            //    {
            //        for (int i = 0; i < 9; i++)
            //        {
            //            VerticalTest(x, i, j);
            //        }
            //    }
            //} IGNORE THAT ABOVE

            List<int> l = new List<int>();
            Test(x, l); //to use the function
            Console.WriteLine("------------------");
            PrintSudoku(x); //to print it

            //byte[] randomNumber = new byte[1];
            //rngCsp.GetBytes(randomNumber);
            //Console.WriteLine((byte)((randomNumber[0] % 9 + 1))); code for me for random numbers


        }