Taken at 12+4 I will add another one which has the nub circled as I never noticed it before.
<a href="http://s877.photobucket.com/user/laura_gx/media/Mobile%20Uploads/2014-02/49DA96F7-8FBD-452C-9E09-1544EA21B92A_zpsinphdbzn.jpg.html" target="_blank"><img src="http://i877.photobucket.com/albums/ab335/laura_gx/Mobile%20Uploads/2014-02/49DA96F7-8FBD-452C-9E09-1544EA21B92A_zpsinphdbzn.jpg" border="0" alt=" photo 49DA96F7-8FBD-452C-9E09-1544EA21B92A_zpsinphdbzn.jpg"/></a>