import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		sc.close();

		for (int i = 0; i < n; i++) {
			StringBuilder sb = new StringBuilder();
			for (int j = 0; j < n; j++) {
				sb.append((i + j) % n + 1).append(' ');
			}
			sb.deleteCharAt(sb.length() - 1);
			System.out.println(sb.toString());
		}
	}
}