// @nuget: HtmlAgilityPack

​

using System;

using System.Linq;

using HtmlAgilityPack;

​

public class Program

{

    public static void Main()

    {

        var html = @"https://www.reflex.com.pl/widget-detal-maly";

​

        HtmlWeb web = new HtmlWeb();

​

        var htmlDoc = web.Load(html);

​

        var node = htmlDoc.DocumentNode.SelectNodes("//body//div//table//tr[position()>1]//td");

​

        var data = node

            .GroupBy(x => x.HasClass("rodzaj-paliwa"))

            .OrderBy(group => group.Key)

            .Select(group => group.Select(item => item.InnerText).ToList())

            .ToList();

​

        var fuelTypes = data[1];

        var fuelPrices = data[0];

​

        fuelTypes.ForEach(x => Console.WriteLine(x));

        fuelPrices.ForEach(x => Console.WriteLine(x));

    }

}