#include <iostream>
using namespace std;
int main() {
// your code goes here
int i , j ,n ;
cin >> n;
for (i=1;i<=n;i++) {
for (j=1;j<=i;j++) {
if(j<i){
cout<<i<<"*";
}else {
cout<<i;
}
}
cout<<" "<< endl;
}
for (i=n;i>=1;i--) {
for (j=1;j<=i;j++) {
if(j<i) {
cout << i << "*";
}else {
cout << i;
}
}
cout << " " << endl;
}
return 0;
}
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