#include <iostream>
#include <string>
#include <cmath>
int main () {
int height;
std::cin >> height;
for(int row = 0; row + 1 < height*2; row++) {
std::cout << std::string(6 - abs(row - height + 1), ' ')
<< std::string(2*abs(row - height + 1) + 1, '*')
<< std::endl;
}
}
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