#include<iostream>
using namespace std;

int main(){
	cout << "      *" << endl;
	cout << "    *   *" << endl;
	cout << "  *       *" << endl;
	cout << "*           *" << endl;
	cout << "  *       *" << endl;
	cout << "    *   *" << endl;
	cout << "      *" << endl;
	
	return 0;
}