#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define ll long long
#define rep(i,n) for (int i = 0; i < (n); i++)
#define coutf(f) cout << fixed << setprecision(f)
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()

int main() {
	int n;
	cin >> n;
	vector<int> ans(n);
	rep(i, n) ans[i] = i + 1;
	rep(i, n) {
		rep(j, n) {
			cout << ans[j] << " ";
		}
		cout << endl;
		rep(j, n - 1) {
			ans[j] = ans[j + 1];
		}
		ans[n - 1] = i + 1;
	}
	return 0;
}