#include <stdio.h>
int main(){
    int n;
    scanf("%d",&n);
    if (n<1 || n>10){
        printf("Invalid Input\n");
        return 0;
    }
    for (int i=1;i<=n,i++){
        for (int j=1;j<=n-i;j++){
            printf(" ");
        }
        for ( int k=1;k<=2*i-1;k++){
            printf("*");
        }
        printf("\n");
    }
    for (int i=n-1;i>=1;i--){
        for (int j=1;j<=n-i;j++){
            printf(" ");
        }
        for (int k=1;k<=2*i-1;k++){
            printf("*");
        }
        printf("\n");
    }
    return 0;
}