#include<bits/stdc++.h>
using namespace std;
int n;
int main(){
 cin>>n;
 int d=n;
 int b=1;
    
 for(int i=1;i<=n;i++){
    for(int j=1;j<=d-1;j++){
        cout<<" ";
    }
   for(int k=1;k<=b;k++){
    cout<<"*"; 
   }
     
   for(int s=1;s<=2*d-1-1;s++){
    cout<<" ";
   }
   for(int c=1;c<=b;c++){
    cout<<"*";
   }
   for(int x=1;x<=2*d-1-1;x++){
    cout<<" ";
   }
   for(int y=1;y<=b;y++){
    cout<<"*";
   }
    d=d-1;
    b=b+2;
 cout<<endl;
    }
   return 0;
}
/**************************************************************
	Problem: 1006
	User: zhengyuxuan
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/