Lego Blocks

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

namespace ConsoleApplication6
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            bool theArrayIsPossible = true;
            List<List<int>> room = new List<List<int>>();
            int checker = 1;
            do
            {
                List<int> arrayList = new List<int>();
                string[] arrayOfStrings = Console.ReadLine().Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
                for (int i = 0; i < arrayOfStrings.Length; i++)
                {
                    arrayList.Add(int.Parse(arrayOfStrings[i]));
                }
                room.Add(arrayList);
                checker++;
            } while (checker <= 2 * n);
            for (int i = n; i < 2 * n; i++)
            {
                List<int> helper = new List<int>();
                helper = room[i];
                room[i].Reverse();

            }
            //foreach (var item in room)
            //{
            //    Console.Write(string.Join(" ", item));
            //    Console.WriteLine();
            //}
            int sum = 0;
            int previousSum = room[0].Count + room[n].Count;
            for (int i = 0; i < room.Count / 2; i++)
            {
                sum = room[i].Count + room[n + i].Count;
                if (sum != previousSum)
                {
                    theArrayIsPossible = false;
                }

            }
            if (!theArrayIsPossible)
            {
                int overallSum = 0;
                room.ForEach(t => overallSum += t.Count);
                Console.WriteLine("The total number of cells is: {0}", overallSum);
            }
            else
            {
                for (int i = 0; i < room.Count / 2; i++)
                {
                    Console.WriteLine("[" + string.Join(", ",room[i]) + ", " + string.Join(", ", room[n + i]) + "]");
                }
            }
        }
    }
}