public int checkColumns()
    {
        for(int column=0 ; column<3 ; column++)
        {

            if( (Board[0][column] + Board[1][column] + Board[2][column]) == -3)
                return -1;
            if( (Board[0][column] + Board[1][column] + Board[2][column]) == 3)
                return 1;
        }
        
        return 0;
                
    }