%!

% proposal for computer virus warning icon

300 300 translate
.3 .3 scale

/marg 20 def

/CourierBold findfont 200 scalefont setfont

/third {
   0 setgray

   20 setlinewidth

   newpath
   0 0 240 -90 marg add 30 marg sub arc stroke

   -60 -290 moveto (0) show
   -60 -160 moveto (1) show
} def

third
120 rotate
third
120 rotate
third
showpage