#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a; cin>>a; for(int i=1;i<=a;i++){ for(int j=1;j<=a-i;j++) cout<<" "; for(int j=1;j<=2*i-1;j++) cout<<"*"; cout<<endl; } for(int i=a-1;i>=1;i--){ for(int j=1;j<=a-i;j++) cout<<" "; for(int j=1;j<=2*i-1;j++) cout<<"*"; cout<<endl; } return 0; }