#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

int main() {
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    int n;
    cin >> n;
    vector a(n, vector<int>(n));
    vector b(n, vector<int>(n));
    rep(i, n) rep(j, n) {
        a[i][j] = i + 1;
        b[i][j] = j + 1;
    }
    rep(i, n) rep(j, n) {
        if (i < j)
            continue;
        if ((i + j) % 2) {
            swap(a[i][j], a[j][i]);
            swap(b[i][j], b[j][i]);
        }
    }
    rep(i, n) {
        rep(j, n) cout << a[i][j] << " ";
        cout << endl;
    }
    rep(i, n) {
        rep(j, n) cout << b[i][j] << " ";
        cout << endl;
    }
    return 0;
}