#include <iostream>
#include <cstdlib>
using namespace std;

int main()
{
	int num, numDiv, odd;
	
	cin >> num;
	numDiv = num/2;
	
	//cout << "[" << numDiv << "] \n";
	
	for (int i = num; i >= -numDiv; i--) {
		for (int j = num; j >= -numDiv; j--) {
		//	cout << "[" << abs(i) << ", " << abs(j) << "] "; // souradnice matice
			
			odd = 2*(abs(i)+abs(j));
			
			
			if (abs(i)+abs(j) <=numDiv) {
				cout << num - odd << " ";
			}
			else {
				cout << "  ";
			}
		}
		
		cout << "\n";
	} 
}