{
  public GameObject[] allSlotsGO = new GameObject[8]; //all slots on game board
  public bool[] isSlotsUnused = new bool[8]; //which slots on the game board have not been placed on
  int turnCounter = 1;

  void start()
  {
    Setup();
  }

  void Setup()
  {
     for(int i = 0; i < isSlotsUnused.length; i++)
     {
       isSlotsUnused[i] = true;
     }
  }

  void AIMove()
  {
    //find out what turn its on, assume it always starts on turn 1, because it does..
    Switch(turnCounter)
    {
      case 1:
        MoveOne();
        break;
      case 2:
        MoveTwo();
        break;
      case 3:
        MoveThree();
        break;
      case 4:
        MoveFour();
        break;
       case 5:
        MoveFive();
        break;
    }
    //increment counter
    turnCounter += 1;
  }

  void MoveOne()
  {
    bool hasPlayed = false;
    int playAttempt;

    while(hasPlayed == false)
    {
      playAttempt = Random.Range(0,8); //randomly move 0-8
      if(isSlotsUnused[playAttempt] == true)
        hasPlayed == true
    }

    //place on allSlotsGO[playAttempt] //lets say that move was pos1
    //change isSlotsUnused[playAttempt] to false //place 1
  }

  void MoveTwo()
  {
    bool hasPlayed = false;
    int playAttempt;

    while(hasPlayed == false)
    {
      playAttempt = Random.Range(0,8); //randomly place 0-6, lets say player moves on pos2
      if(isSlotsUnused[playAttempt] == true)
        hasPlayed == true
    }

    //place on allSlotsGO[playAttempt] //lets say that move was pos3
    //change isSlotsUnused[playAttempt] to false //[place 3]

  }

  void MoveThree()
  {
    bool hasPlayed = false;
    int playAttempt;

    while(hasPlayed == false)
    {
      playAttempt = Random.Range(0,8); //randomly place 0-6, lets say player moves on pos4
      if(isSlotsUnused[playAttempt] == true)
        hasPlayed == true
    }

    //place on allSlotsGO[playAttempt] //lets say that move was pos5
    //change isSlotsUnused[playAttempt] to false //[place 5]

  }

  void MoveFour()
  {
    bool hasPlayed = false;
    int playAttempt;

    while(hasPlayed == false)
    {
      playAttempt = Random.Range(0,8); //randomly place 0-6, lets say player moves on pos6
      if(isSlotsUnused[playAttempt] == true)
        hasPlayed == true
    }

    //place on allSlotsGO[playAttempt] //lets say that move was pos7
    //change isSlotsUnused[playAttempt] to false //[place 7]

  }

  void MoveFive()
  {
    bool hasPlayed = false;
    int playAttempt;

    while(hasPlayed == false)
    {
      playAttempt = Random.Range(0,8); //randomly place 0-6, lets say player moves on pos8
      if(isSlotsUnused[playAttempt] == true)
        hasPlayed == true
    }

    //place on allSlotsGO[playAttempt] //lets say that move was pos9
    //change isSlotsUnused[playAttempt] to false //[place 9]

  }

}