Lots of different variations here
http://www.google.com.au/search?hl=e..._upl=&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1258&bih=809&wrapid=tljp1318896782543022&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi
Google images are great for seeing all the alternatives :)