panic

#include <bits/stdc++.h>
#define forn(i, n) for (int i = 0; i<(int)n; ++i)
#define rfor(i, n) for (int i = n-1; i>=0; --i)
#define rmod(x, y) (((x%y)+y)%y)
using namespace std;
typedef vector<int>::iterator vit;
typedef unsigned int uint;
typedef unsigned short ushort;
typedef long long ll;
const int MAXN = 1024;

//OPERATORS


//GLOBALS


//FUNCTIONS


int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n ; cin >> n;
	int lo = 1, hi =  2*n-1;
	for(int i = 1; i<= 2*n-1; i++){
		for(int j = 1; j <= 2*n-1; j++){
			if(j == lo || j == hi || i == n || j == n) cout << n;
			else cout << " ";
		}
		cout << endl;
		lo++;
		hi--;
	}


	return 0;
}


///DOS

#include <bits/stdc++.h>
#define forn(i, n) for (int i = 0; i<(int)n; ++i)
#define rfor(i, n) for (int i = n-1; i>=0; --i)
#define rmod(x, y) (((x%y)+y)%y)
using namespace std;
typedef vector<int>::iterator vit;
typedef unsigned int uint;
typedef unsigned short ushort;
typedef long long ll;
const int MAXN = 1024;

//OPERATORS


//GLOBALS


//FUNCTIONS


int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n ; cin >> n;
	int lo = n,hi = n;
	for(int i = 1; i < 2*n; i++){
		for(int j =1; j < 2*n ; j++){
			if(j == lo || j == hi || i == n || j == n) cout << n;
			else cout << " ";
		}
		if(i <n){
			hi--;
			lo++;
		}
		else{
			hi++;
			lo--;
		}
		cout << endl;
	}



	return 0;
}