#include<bits/stdc++.h>
using namespace std;
int main(){
	int i,j,n;
	cin>>n;
	for(i=1;i<=n+1;i++){
		for(j=1;j<=n+1-i;j++){
			cout<<" ";}	
			for(j=1;j<=i*2-1;j++){
			cout<<"*";
		}cout<<endl;}
	for(i=n;i>=1;i--){
		for(j=1;j<=n+1-i;j++){
			cout<<" ";}	
		 for(j=1;j<=i*2-1;j++){
			cout<<"*";
		}cout<<endl;
		}	
	   
}
/**************************************************************
	Problem: 1071
	User: zhuangwenya
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/