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