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