#include <iostream>

using namespace std;
using LL = long long;

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

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