using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication2
{
class Program
{
public static void Main(string[] args)
{
char ch = 'A';
int i, j, k, m;
for (i = 1; i <= 7; i++)
{
for (j = 5; j >= i; j--)
Console.Write(" ");
for (k = 1; k <= i; k++)
Console.Write(ch++);
ch--;
for (m = 1; m < i; m++)
Console.Write(--ch);
Console.Write("\n");
ch = 'A';
}
Console.ReadLine();
}
}
}