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

}

/**************************************************************
	Problem: 1071
	User: houshanglin
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/