private boolean checkFieldLineWinn(int lineNumber, char cellValue){
        boolean checkLine = true;
        for (int i = 0; i <= fieldSize - WIN_NUMBER_OF_CELLS ; i++){

            checkLine = true;

            for(int j = i; j < i + WIN_NUMBER_OF_CELLS; j++){
                if( field[j][lineNumber] != cellValue) checkLine = false;
            }
            if(checkLine){
                return true;
            }

        }
        return false;
    }