#include <iostream>
#include <string>

using namespace std;

int main()
{
	/* Variables for the different lines of the checkerboard */
	const string	odd="  * * * *";
	const string	even="* * * *";

	/* Print out the board */
	cout << odd << endl;
	cout << even << endl;
	cout << odd << endl;
	cout << even << endl;
	cout << odd << endl;
	cout << even << endl;
	cout << odd << endl;
	cout << even << endl;
}