#include <iostream>
using namespace std;
int n;
int main(){
    cin >> n;
    for(int i = 1; i <= n; i++){
        for(int j = n - i; j >=1; j--)
            putchar(' ');
        putchar('*');
        for(int j = (i - 1) * 2; j >=1; j--)
            putchar(' ');
        if(i == 1) cout<<"***";
        else cout<<"   ";
        putchar('*');
        putchar('\n');
    }
    for(int i = n-1; i >= 1; i--){
        for(int j = n - i; j >=1; j--)
            putchar(' ');
        putchar('*');
        for(int j = (i - 1) * 2; j >=1; j--)
            putchar(' ');
        if(i == 1) cout<<"***";
        else cout<<"   ";
        putchar('*');
        if(i!=1) putchar('\n');
    }
}
/**************************************************************
	Problem: 1011
	User: linlinzi
	Language: C++
	Result: Accepted
	Time:4 ms
	Memory:2072 kb
****************************************************************/