#include <iostream>
#include <iomanip>
#include <cstdlib>

int main(int argc, char * argv[])
{
	int len = std::atoi(argv[1]);
	for (int i = 0; i<2*len+1; i++)
	{
		for (int j = 0; j<2*len+1;j++)
		{
			if (j == len || j==len-i || j ==len+i 
				|| i == len 
				|| j==i-len || j==(i+len)-(2*(i-len)))
				std::cout<<std::setw(2)<<"*";
			else
				std::cout<<"  ";
		}
		std::cout<<std::endl;
	}
			
}