#include<bits/stdc++.h>
using namespace std;
int i,n,j;
int main(){
    cin>>n;
	for(i=1;i<=n;i++){
		for(int o=1;o<=3;o++){
		for(j=n-i;j>=1;j--){
		    cout<<" ";
		}
		for(j=1;j<=i*2-1;j++){
		    cout<<"*";
		}
		for(j=n-i;j>=1;j--){
				cout<<" ";
			}
		}
		cout<<endl;
		}
	return 0;
}
/**************************************************************
	Problem: 1006
	User: zhangziang
	Language: C++
	Result: Accepted
	Time:4 ms
	Memory:2072 kb
****************************************************************/