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