Genome

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Test2
{
    class Program
    {
        static void Main(string[] args)
        {

            List<string> coll = new List<string>();
            for (int i = 0; i < args.Length; i++)
            { coll.Add(args[i]); }
            Genome gen = new Genome();
            gen.perebor_elementov(coll);

        }
    }
    class Genome
    {

        public List<string> geni = new List<string>();
        //public Genome(List<string> coll) { geni = coll; }

     public void perebor_elementov (List<string> geni)
    {
        for (int i = 0; i < geni.Count; i++)
        { Assembly(geni[i],geni); }
    }
        public string Assembly (string gen ,List<string> geni )
        {
            string result = string.Empty;

            //Здесь сравнение элемента с другими и соединение
            for (int j = 0; 0 < geni.Count;j++)
            {
                if (gen.EndsWith(geni[j].Substring(1)))
                {
                    gen = string.Concat(gen, geni[j].Substring(1));
                    geni.RemoveAt(j);
                }
                else
                {
                    if (gen.EndsWith(geni[j].Substring(2)))
                    {
                        gen = string.Concat(gen, geni[j].Substring(2));
                        geni.RemoveAt(j);
                    }
                    else
                    {
                        if (gen.EndsWith(geni[j].Substring(1)))
                        {
                            gen = string.Concat(gen, geni[j].Substring(1));
                            geni.RemoveAt(j);
                        }
                        else { result = "не подошел"; return result; }
                    }
                }


            }
            return gen;

        }

    }
}