#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;
    if (n == 3) {
        cout << ".#.\n";
        cout << "###\n";
        cout << ".#.\n";
        return 0;
    }
    cout << -1 << endl;
    return 0;
}