#pragma GCC optimize ("O2")
#pragma GCC target ("avx2")
#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
#define rep(i, n) for(int i = 0; i < (n); i++)
#define rep1(i, n) for(int i = 1; i <= (n); i++)
#define co(x) cout << (x) << "\n"
#define cosp(x) cout << (x) << " "
#define ce(x) cerr << (x) << "\n"
#define cesp(x) cerr << (x) << " "
#define pb push_back
#define mp make_pair
#define chmin(x, y) x = min(x, y)
#define chmax(x, y) x = max(x, y)
#define Would
#define you
#define please

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);


	int N;
	cin >> N;
	int kotae[500][500];

	rep(i, N) {
		kotae[i][i] = i + 1;
		rep1(j, N - 1) {
			int k = (i - j + N) % N;
			kotae[i][k] = (i + j) % N + 1;
		}
	}
	rep(i, N) rep(j, N) {
		cout << kotae[i][j] << ((j != N - 1) ? " " : "\n");
	}


	Would you please return 0;
}