#include <iostream>
#include <vector>
using namespace std;
using T=unsigned char; const T s=' ',p='*';
int main(){
int n; cout<<"n: "; cin>>n; vector<T>t(n,s); vector<vector<T>>a(n,t);
for(T i=0;i<n;++i)a=a[n/2]=a[n/2]=a[n-1-i]=p;
for(auto i:a){for(T j:i)cout<<j; cout<<endl;}}