using System;
public class Program
{
public static void Main()
int number = 10;
for (int rows = 0; rows <number; rows++)
for (int col = 0; col < number; col++)
if (rows == 0 || rows == number - 1 || col == 0 || col == number - 1 || col ==rows || col+rows == number-1)
Console.WriteLine(" x");
}
else
Console.WriteLine(" -");