#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 i,n,z; cin>>n; for(i=n;i>=1;i--){ for(z=n-i;z>=1;z--) cout<<" "; for(z=2*i-1;z>=1;z--) cout<<"*"; cout<<endl; } for(i=2;i<=n;i++){ for(z=1;z<=n-i;z++) cout<<" "; for(z=1;z<=2*i-1;z++) cout<<"*"; cout<<endl; } return 0; }