#include <bits/stdc++.h>
using namespace std;
int main(){
	int i,i2;
	cin>>i;
	i2=1;
	for(int k=i;k>0;k--){
		for(int y=0;y<k;y++)cout<<" ";
		for(int y=0;y<i2;y++)cout<<"*";
		i2+=2;
		cout<<"\n";
	}
	i2=i*2-1;
	for(int i9=0;i9<=i*2;i9++)cout<<"*";
	cout<<"\n";
	for(int k=0;k<i;k++){
		for(int y=0;y<=k;y++)cout<<" ";
		for(int y=0;y<i2;y++)cout<<"*";
		i2-=2;
		cout<<"\n";
	}
	return 0;
}

/**************************************************************
	Problem: 1071
	User: zhouhongyi
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/