#include <bits/stdc++.h>
using namespace std;

int main()
{
	int N;
	cin >> N;

	vector<vector<int>> a( N, vector<int>( N ) );
	for( int i = 0; i < N; i++ ) a[0][i] = i;
	for( int i = 1; i < N; i++ ) {
		for( int j = 0; j < N; j++ ) {
			a[i][j] = (a[i - 1][j] + 1) % N;
		}
	}

	for( int i = 0; i < N; i++ ) {
		for ( int j = 0; j < N; j++ ) {
			if( j ) cout << " ";
			cout << a[i][j] + 1;
		}
		cout << endl;
	}
}