using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

         List<Table> data = new List<Table>

           {

               new Table { F1 = 20, F2 = 942, F3 = 250 },

               new Table { F1 = 60, F2 = 942, F3 = 120 },

               new Table { F1 = 20, F2 = 941, F3 = 115 },

               new Table { F1 = 20, F2 = 943, F3 = 250 },

               new Table { F1 = 60, F2 = 941, F3 = 330 },

           };

​

            var result = data.OrderByDescending(x => x.F1).ThenByDescending(x => x.F2);

​

            Console.WriteLine("F1\tF2\tF3");

            foreach (var item in result)

            {

                Console.WriteLine("{0}\t{1}\t{2}", item.F1, item.F2, item.F3);

            }

    }

}

​

 public class Table

        {

            public int F1 { get; set; }

            public int F2 { get; set; }

            public int F3 { get; set; }

        }