C#Solid

class Program
    {
        static void Main(string[] args)
        {
            bool playerO = false;
            bool playerX = false;

            try
            {
                FileStream fs = new FileStream(@"C:\Users\user_2.F227-12\Desktop\board.txt", FileMode.OpenOrCreate);
                StreamReader readin = new StreamReader(fs);
                int i = 0;



                string[] elements = new string[9];

                while (!readin.EndOfStream)
                {
                    string text = readin.ReadLine();
                    string[] words = text.Split(' '); // how long is words?
                    elements[i] = words[0];
                    elements[i+1] = words[1];
                    elements[i+2] = words[2];
                    Console.WriteLine(elements[i] + " " + elements[i + 1] + " " + elements[i + 2]);
                    Console.WriteLine();
                    i+=3;
                }

                // searching horizontally
                for (int j = 0; j<=6; j+=3)
                {
                   if (elements[j].Equals("O") && elements[j+1].Equals("O") && elements[j+2].Equals("O"))
                    {
                       playerO = true;
                       Console.WriteLine ("Player (O) wins!");
                    }
                    else if (elements[j].Equals("X") && elements[j + 1].Equals("X") && elements[j + 2].Equals("X"))
                    {
                        playerX = true;
                        Console.WriteLine("Player (X) wins!");
                    }
                }

                // searching vertically

                for (int j = 0; j < 2; j++)
                {
                    if (elements[j].Equals("O") && elements[j+3].Equals("O") && elements[j+6].Equals("O"))
                    {
                        playerO = true;
                        Console.WriteLine("Player (O) wins!");
                    }
                    else if (elements[j].Equals("X") && elements[j+3].Equals("X") && elements[j+6].Equals("X"))
                    {
                        playerX = true;
                        Console.WriteLine("Player (X) wins!");
                    }

                }

                // searching diagonally

                for (int j = 0; j <= 2; j += 2)
                {
                    if (elements[j].Equals("O") && elements[j + 4].Equals("O") && elements[j + 8].Equals("O"))
                    {
                        playerO = true;
                        Console.WriteLine("Player (O) wins!");
                    }
                    else if (elements[j].Equals("X") && elements[j + 4].Equals("X") && elements[j + 8].Equals("X"))
                    {
                        playerX = true;
                        Console.WriteLine("Player (X) wins!");
                    }
                }

                if (playerX == false && playerO == false)
                {
                    Console.WriteLine("Undecided");
                }
                readin.Close();
                fs.Close();

            }
            catch (Exception e) {}
            Console.ReadKey();
        }
    }