#include <stdio.h>

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