#include <iostream>
using namespace std;

int main() {
	int n;
	cin >> n;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < n; j++) {
			cout << (i + j) % n + 1;
			if (j + 1 < n) cout << " ";
		}
		cout << endl;
	}
	return 0;
}