#include<bits/stdc++.h> 
using namespace std;
int main() {
	int n,n1=1;
	cin >> n;
	for(int i=1; i<=n; i++){
		for(int y=1; y<=n-i; y++){
			cout << " ";
		}
		for(int j=1; j<=2*i-1; j++){
			cout << n1;
			n1++;
		}
		cout << endl;
		n1=1;
	}
		for(int i=n-1; i>=1; i--){
		for(int y=1; y<=n-i; y++){
			cout << " ";
		}
		for(int j=1; j<=2*i-1; j++){
			cout << n1;
			n1++;
		}
		cout << endl;
		n1=1;
	}
	return 0;
}