/* Problem 2.21 */ main () { /* empty line */ printf ("\n"); printf ("********* *** * *\n"); printf ("* * * * *** * *\n"); printf ("* * * * ***** * *\n"); printf ("* * * * * * *\n"); printf ("* * * * * * *\n"); printf ("* * * * * * *\n"); printf ("* * * * * * *\n"); printf ("* * * * * * *\n"); printf ("********* *** * *\n"); /* empty line */ printf ("\n"); }