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using System;

namespace MainNamespace
{
    class MainClass
    {
        static string str, sep;
        static void Sep()
        {
            int k = 0;
            while (k < str.Length * 2 - 5)
            {
                if (sep.Length * (k + 1) > str.Length * 2 - 5)
                    break;
                Console.Write(sep);
                k++;
            }
            for (int l = 0; l < ((str.Length * 2 - 5) - (k * sep.Length)) ; l++)
                Console.Write(sep[l]);
        }
        static void Main(string[] args)
        {
            Console.Write("str: ");
            str = Console.ReadLine();
            Console.Write("sep: ");
            sep = Console.ReadLine();
            for (int i = 0; i < str.Length-1; i++)
                Console.Write(str[i] + " ");
            Console.Write(str[str.Length-1] + "\n\n");
            for (int j = 0; j < str.Length - 2; j++)
            {
                Console.Write(str[j + 1] + " ");
                Sep();
                Console.WriteLine(" " + str[str.Length - j - 2]);
                Console.Write("  ");
                if(j < str.Length - 3)
                {
                    Sep();
                    Console.WriteLine("  ");
                    continue;
                }
                Console.WriteLine();
            }
            for (int m = str.Length-1; m >= 1; m--)
                Console.Write(str[m] + " ");
            Console.WriteLine(str[0]);
            Console.ReadKey();
        }
    }
}