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");
.GroupBy(x => x.HasClass("rodzaj-paliwa"))
.OrderBy(group => group.Key)
.Select(group => group.Select(item => item.InnerText).ToList())
var fuelPrices = data[0];
fuelTypes.ForEach(x => Console.WriteLine(x));
fuelPrices.ForEach(x => Console.WriteLine(x));