#include<bits/stdc++.h>using namespace std;int main(){int n;while(cin>>n){for(int i=1;i<=n;i++){for(int j=1;j<=n-i;j++){cout<<" ";}for(int z=1;z<=2*i-1;z++){cout<<"*";}cout<<endl;}for(int i=n-1;i>=1;i--){for(int j=1;j<=n-i;j++){cout<<" ";}for(int z=1;z<=2*i-1;z++){cout<<"*";}cout<<endl;}}return 0;}
