How to set custom axis range for QBarSeries chart?

[Dolfost]

I have next program:

#include <QtWidgets>
#include <QtCharts>

int main(int argc, char *argv[]) {
    QApplication a(argc, argv);

    // Create data
    std::vector<int> data = {3, 4, 2, 5, 8, 1, 3};

    // Create a Qt Charts series
    QBarSeries *series = new QBarSeries();
	series->setBarWidth(1);

    // Create chart
    QChart *chart = new QChart();
    chart->addSeries(series);
    chart->setTitle("Bar Chart");
    chart->setAnimationOptions(QChart::SeriesAnimations);

    // Create axes
    QValueAxis *axisX = new QValueAxis();
    axisX->setRange(2, 13);
    chart->addAxis(axisX, Qt::AlignBottom);
    series->attachAxis(axisX);

    QValueAxis *axisY = new QValueAxis();
    axisY->setRange(0, *std::max_element(data.begin(), data.end()));
    chart->addAxis(axisY, Qt::AlignLeft);
    series->attachAxis(axisY);

    // Create chart view
    QChartView *chartView = new QChartView(chart);
    chartView->setRenderHint(QPainter::Antialiasing);

    // Add data to the series
    QBarSet *set = new QBarSet("Relative frequency");
    for (int value : data) {
        *set << value;
    }
    series->append(set);


    // Create main window
    QMainWindow window;
    window.setCentralWidget(chartView);
    window.resize(800, 600);
    window.show();

    return a.exec();
}

So the first chart bar is half-hidden, and bars instead of spanning from 2 to 13 on xAxis only go from 2 to 6 I guess. It looks like the x coordinate of bar is linked with the bar index inside barSet. How to make bar chart take all the space on a chart, how to make qbarseries to span entire X axis? I could not find anything in docs. I need something like this: