#include<bits/stdc++.h>
using namespace std;
int main(){
	int i,j,n,t;
	cin>>n;
	for(i=1;i<=n+1;i++) {
	    for(j=1;j<=n-i+1;j++) cout<<" ";
		for(j=1;j<=2*i-1;j++) cout<<"*";
		cout<<endl;
	}
	for(i=2;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: ccf
	Language: C++
	Result: Accepted
	Time:12 ms
	Memory:2072 kb
****************************************************************/