#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: suzihang
	Language: C++
	Result: Accepted
	Time:5 ms
	Memory:2072 kb
****************************************************************/