soal 3.a

<?php

echo "\t  **   **  \n";
echo "\t **** **** \n";
echo "\t*******  **\n";
echo "\t******** **\n";
echo "\t***********\n";
echo "\t ********* \n";
echo "\t  *******  \n";
echo "\t   *****   \n";
echo "\t    ***    \n";
echo "\t     *     \n";