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

using Edge = array<int, 4>;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int N;
    cin >> N;
    if (N <= 3) {
        cout << -1 << '\n';
        return 0;
    }

    int n = N % 2 ? 5 : 4;
    vector<string> h, v;
    if (n == 4) {
        h = {"#.#", "##.", ".##", "#.#"};
        v = {"#.##", ".#..", "##.#"};
    } else {
        h = {"####", "#.##", "###.", ".###", "####"};
        v = {".#..#", "#...#", "#...#", "#...."};
    }

    vector<Edge> ans;
    auto add = [&](int r, int c, int nr, int nc) {
        ans.push_back({r, c, nr, nc});
    };
    for (int r = 0; r < n; ++r)
        for (int c = 0; c + 1 < n; ++c)
            if (h[r][c] == '#') add(r, c, r, c + 1);
    for (int r = 0; r + 1 < n; ++r)
        for (int c = 0; c < n; ++c)
            if (v[r][c] == '#') add(r, c, r + 1, c);

    while (n < N) {
        for (auto& e : ans) {
            e[0] += 2;
            e[2] += 2;
            e[1] = n + 1 - e[1];
            e[3] = n + 1 - e[3];
        }
        n += 2;

        for (int r = 0; r + 1 < n; ++r) add(r, 0, r + 1, 0);
        add(n - 1, 0, n - 1, 1);
        for (int r = n - 1; r > 2; --r) add(r, 1, r - 1, 1);
        add(2, 1, 2, 2);

        add(1, 1, 0, 1);
        for (int c = 1; c + 1 < n; ++c) add(0, c, 0, c + 1);
        add(0, n - 1, 1, n - 1);
        for (int c = n - 1; c > 2; --c) add(1, c, 1, c - 1);
        add(1, 2, 2, 2);
    }

    for (auto [r, c, nr, nc] : ans)
        cout << r * N + c + 1 << ' ' << nr * N + nc + 1 << '\n';
}