#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define repr(i, n) for (int i = (int)(n); i >= 0; i--)
#define all(v) v.begin(), v.end()
#define mod1 1000000007
#define mod2 998244353
typedef long long ll;

int main(){
    int N;
    cin >> N;
    vector<vector<int>> A(N, vector<int>(N));
    for (int i = 0; i < N; i++){
        for (int j = 0; j < N; j++){
            A[i][j] = (i + j) % N + 1;
        }
    }
    for (int i = 0; i < N; i++){
        for (int j = 0; j < N; j++){
            cout << A[i][j];
            if (j != N - 1) cout << " ";
        }
        cout << endl;
    }
}