Count black dots.
(http://i1319.photobucket.com/albums/t668/Maran2525/GIF/10_funnytricksblackdots_1_zps681e90bd.jpg)
(http://yoursmiles.org/msmile/think/m1702.gif) Let me give a try (http://yoursmiles.org/msmile/think/m1702.gif)
There actually aren't any black dots at all!