#include<bits/stdc++.h>
using namespace std;
int i,n,j;
int main(){
    cin>>n;
    for(i=1;i<=n;i++){
        for(j=n-i;j>=0;j--){
            cout<<" ";
        }
        for(j=1;j<=i*2-1;j++){
            cout<<"*";
        }
        cout<<endl;
    }
    for(i=1;i<=(n+1)*2-1;i++) cout<<"*";
    cout<<endl;
    for(i=n;i>=1;i--){
        for(j=n-i;j>=0;j--){
            cout<<" ";
        }
        for(j=1;j<=i*2-1;j++){
            cout<<"*";
        }
        cout<<endl;
    }
	return 0;
}
/**************************************************************
	Problem: 1071
	User: zhangziang
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/