/* @ToDo
Star Pattern
*
* * *
* * * * *
* * * * * * *
* * * * * * * * *
* * * * * * * * *
* * * * * * *
* * * * *
* * *
*
*/
#include <iostream>
using namespace std;
int main(){
#ifndef ONLINE_JUDGE
freopen("../asset/input.txt","r",stdin);
freopen("../asset/output.txt","w",stdout);
#endif
// Code here!!
int n; cin>>n;
for(int i=1;i<=n;i++){
for(int j=0;j<n-i;j++)
cout<<"\t";
for(int j=1;j<2*i;j++)
cout<<"*\t";
cout<<endl;
}
for(int i=n;i>0;i--){
for(int j=0;j<n-i;j++)
cout<<"\t";
for(int j=1;j<2*i;j++)
cout<<"*\t";
cout<<endl;
}
return 0;
}
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