#include <iostream>using namespace std;
int main(){ int n, i; cin>>n; for (i=1; i<n; i++) cout<<" "; cout<<"*"; for (i=1; i<n; i++) cout<<" "; cout<<endl; for (i=2; i<n; i++) { for (int j=1; j<=2*n-1; j++) if (i+j==n+1 || j-i==n-1) cout<<"*"; else cout<<" "; cout<<endl; } if (n>1) for (i=1; i<=n; i++) cout<<"* "; return 0;}
