constant r = 7.125
printf(1,"%9.3f\n",-r)
printf(1,"%9.3f\n",r)
printf(1,"%-9.3f\n",r)
printf(1,"%09.3f\n",-r)
printf(1,"%09.3f\n",r)
printf(1,"%-09.3f\n",r)