#include <iostream>
using namespace std;
int main() {
int A;
cin >> A;
for (int i = 1 ; i <= A ; i++) {
for (int g = A ; i <= 0 ; g--) {
for (int h = g - i ; h <=0 ;) {
cout << " " ;
}
for (int j = (2 * i) - 1 ; j <= (A * 2) - 1 ;) {
cout <<"*"<<endl;
}
}
}
return 0;
}
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