#include<bits/stdc++.h>
using namespace std;
int main()
{
	
	int n,i,j;
	cin>>n;
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n-i+1;j++) cout<<" ";	
		for(j=1;j<=2*i-1;j++) cout<<"*";
		cout<<endl;
	}
	for(i=1;i<=n+1;i++)
	{
	for(j=1;j<=i-1;j++) cout<<" ";
	for(j=1;j<=(n+1-i)*2+1;j++) cout<<"*";
	cout<<endl;
	}
	return 0;
}


/**************************************************************
	Problem: 1071
	User: lzc
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/