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#include <iostream>

using namespace std;

string repeat(char s, int n) {
    string result;

    for (int i = 0; i < n; i++)
    {
        result += s;
    }
    return result;
}

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

    int spaces = 2 * n - 2;
    int stars = 2;

    for (int row = 0; row < n; row++) {
        cout << repeat(' ', spaces)
            << repeat('*', stars) << endl;
        spaces -= 2;
        stars += 2;
    }

    spaces = 2;
    stars = 2 * n - 2;

    for (int row = 0; row < 2; row++) {
        cout << repeat('*', stars)
            << repeat(' ', spaces) << endl;
        spaces += 2;
        stars -= 2;
    }

    spaces = 2;
    stars = 2 * n - 2;

    for (int row = 0; row < 2; row++) {
        cout << repeat('*', stars)
            << repeat(' ', spaces) << endl;
        if (spaces > 0 && stars > 0) {
            spaces -= 2;
            stars += 2;
        }
    }

    spaces = 2;
    stars = 2 * n - 2;

    for (int row = 0; row < 2; row++) {
        cout << repeat(' ', spaces)
            << repeat('*', stars) << endl;
        spaces += 2;
        stars -= 2;
    }

    spaces = 2;
    stars = 2 * n - 2;

    for (int row = 0; row < 2; row++) {
        cout << repeat(' ', spaces)
            << repeat('*', stars) << endl;
        if (spaces > 0 && stars > 0) {
            spaces -= 2;
            stars += 2;
        }
    }

    spaces = 2;
    stars = 2 * n - 2;

    for (int row = 0; row < n; row++) {
        cout << repeat('*', stars)
            << repeat(' ', spaces) << endl;
        spaces += 2;
        stars -= 2;
    }

    return 0;
}