c# 打名字

 for (int i = 1; i <= 20; i++)
               {
                   for (int j = 1; j <= 20; j++)
                   {
                      
                       if (i == 1 || i == 10 || i == 20 || j == 10)
                       {
                           Console.Write("○");
                       }
                       else
                       {
                           Console.Write("  ");
                       }
                   }
                   Console.WriteLine();
               }
               Console.WriteLine();
               Console.WriteLine();
               for (int i = 1; i <= 20; i++)
               {
                   for (int j = 1; j <= 20; j++)
                   {
                      
                       if (i == 1 || j == 15 || i == 4 && (j > 4 && j < 11) || i == 12 && (j > 4 && j < 11) || j == 5 && (i > 4 && i < 12) || j == 10 && (i > 4 && i < 12) || i == 19 && j == 14 || i == 18 && j == 13)
                       {
                           Console.Write("○");
                       }
                       else
                       {
                           Console.Write("  ");
                       }
                   }
                   Console.WriteLine();
               }