Mixed Up Lists -2ndOption - Arrays

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


public class Program
{
	public static void Main()
	{
		List<int>first = Console.ReadLine().Split().Select(int.Parse).ToList();
		List<int>second = Console.ReadLine().Split().Select(int.Parse).ToList();

		List<int> limits = new List<int>();
		List<int>result = new List<int>();

		if (first.Count > second.Count)
		{
			limits.Add(first[first.Count-2]);
			limits.Add(first[first.Count-1]);

			first.RemoveRange(first.Count-2,2);
			second.Reverse();

			for (int i=0; i<first.Count; i++)
			{
				result.Add(first[i]);
				result.Add(second[i]);
			}

			int constr1 = limits[0];
			int constr2 = limits[1];
			int minConstr = Math.Min(constr1,constr2);
			int maxConstr = Math.Max(constr1,constr2);

			List<int>answer = new List<int>();

			for (int i=0; i<result.Count; i++)
			{
				int currNum = result[i];

				if (currNum>minConstr && currNum<maxConstr)
				{
					answer.Add(currNum);
				}
			}
			answer.Sort();
			Console.WriteLine(string.Join(" ",answer));

		}
		else
		{
			limits.Add(second[0]);
			limits.Add(second[1]);

			second.RemoveRange(0,2);
			second.Reverse();

			for (int i=0; i<first.Count; i++)
			{
				result.Add(first[i]);
				result.Add(second[i]);
			}

			int constr1 = limits[0];
			int constr2 = limits[1];
			int minConstr = Math.Min(constr1,constr2);
			int maxConstr = Math.Max(constr1,constr2);

			List<int>answer = new List<int>();

			for (int i=0; i<result.Count; i++)
			{
				int currNum = result[i];

				if (currNum>minConstr && currNum<maxConstr)
				{
					answer.Add(currNum);
				}
			}
			answer.Sort();
			Console.WriteLine(string.Join(" ",answer));
		}

	}
}