#include <iostream>
#include<cmath>
#include<ctime>
#include<string>
#include <iomanip>
#include <fstream>

using namespace std;

int main()
{
	for (int i = 0; i < 8; i++)
	{
		for (int k = 0; k <= i; k++)
		{
			cout << "  ";
		}
		for (int j = i; j < 8; j++)
		{
			cout <<" "<< static_cast<char>(j+97-i);

		}
		for (int j = 7; j >= i; j--)
		{
			cout << " " << static_cast<char>(j + 97 - i);
		}
			cout << "\n";
	}
		

}