#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main() {
    int n = 0;
    while (scanf("%d", &n) != EOF) {
        int i = 0;
        int j = 0;
        for (i = 0; i < n; i++) {
            for (j = 0; j < n; j++) {
                if (i == j || i + j == n - 1) {
                    printf("*");
                } else {
                    printf(" ");
                }
            }
            printf("\n");
        }
    }
    return 0;
}