n=int(input())
for i in range(1,n+1):
    print((n-i)*" "+(2*i-1)*"*")
for i in range(1,n+1):
    print(i*" "+(2*(n-i)-1)*"*")

int n; cin >> n;

for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= n - i; j++) {
        cout << " ";
    }
    for (int j = 1; j <= i * 2 - 1; j++) {
        cout << "*";
    }
    cout << endl;
}

for (int i = n - 1; i >= 1; i--) {
    for (int j = 1; j <= n - i; j++) {
        cout << " ";
    }
    for (int j = 1; j <= i * 2 - 1; j++) {
        cout << "*";
    }
    cout << endl;
}

#include <bits/stdc++.h> using namespace std; int a; int main() { cin>>a; for(int i=1;i<=a;i++){ for(int j=1;j<=a-i;j++){ cout<<" "; }for(int k=1;k<=i2-1;k++){ cout<<"";} for(int l=1;l<=a-i;l++){ cout<<" "; } cout<<endl; }for(int b=a;b>=1;b--){ for(int c=1;c<=a-b+1;c++){ cout<<" "; }for(int d=1;d<=b2-3;d++){ cout<<"";} for(int e=1;e<=a-b;e++){ cout<<" "; } cout<<endl; } return 0; }

#include <iostream>
using namespace std;

int main()
{
    int a,b,c,d,e,f,g;
    cin>>a;
    for(b=1;b<=a;b++){
        for(c=1;c<=a-b;c++){
            cout<<" ";
        }
        for(d=1;d<=2*b-1;d++){
            cout<<"*";
        }
        cout<<endl;
    }
    for(e=1;e<=a-1;e++){
        for(f=e-1;f>=0;f--){
            cout<<" ";
        }
        for(g=2;g<=2*(((a-1)+1)-e);g++){
            cout<<"*";
        }
        cout<<endl;
    }
    return 0;
}

c++

n = int(input())
for i in range(1, n + 1, 1):
    print(" " * (n - i) + "*" * (i * 2 - 1) + " " * (n - i))
for i in range(n-1,0,-1):
    print(" " * (n - i) + "*" * (i * 2 - 1) + " " * (n - i))
 

#include<bits/stdc++.h>
using namespace std;
int main() {
	int i,j,b;
	cin>>b;
	for(i=1; i<=b; i++) {
		for(j=1; j<=b-i; j++) {
			printf(" ");
		}
		for(j=1; j<=2*i-1; j++) {
			printf("*");
		}
		printf("\n");
	}
	for(i=b-1; i>=1; i--) {
		for(j=1; j<=b-i; j++) {
			printf(" ");
		}
		for(j=1; j<=2*i-1; j++) {
			printf("*");
		}
		printf("\n");
	}
}