#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=1;i<=n;i++){
		for(j=1;j<=i;j++){
			cout<<" ";
		}
			for(j=1;j<=(n-i)*2+1;j++){
			cout<<"*";
			}
			cout<<endl;
		} 
    return 0;
}
/**************************************************************
	Problem: 1071
	User: cyp
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/