#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(n);i++)
#define rep_lr(i,l,r) for(int i=(l);i<(r);i++)
#define all(x) (x).begin(),(x).end()
#define V vector
typedef V<int> vi;
typedef V<vi> vvi;
typedef long long ll;
typedef pair<ll, ll> P;
typedef tuple<int, int, int> T;
constexpr int INF = INT_MAX >> 1;
constexpr ll LINF = 5000000000000000LL;
constexpr int MOD = 1000000007;

int main() {
	
	int n;
	cin >> n;
	vvi a(n, vi(n));

	rep(i, n){
		int y = i, x = i;
		rep(j, n) {
			a[y][x] = i + 1;
			y = (y + 1) % n;
			x = (x + n - 1) % n;
		}
	}
	
	rep(i, n)rep(j, n) {
		cout << a[i][j];
		if (j < n - 1)cout << " ";
		else cout << endl;
	}
	
}