#include <bits/stdc++.h>

using namespace std;

int main() {
    int n = 4;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n - i; j++) printf(" ");
        for (int j = 1; j <= 2 * i - 1; j++) printf("*");
        printf("\n");
    }

    for (int i = n - 1; i >= 1; i--) {
        for (int j = 1; j <= n - i; j++) printf(" ");
        for (int j = 1; j <= 2 * i - 1; j++) printf("*");
        printf("\n");
    }
    return 0;
}