I felt like watching some recorded games and saw a map which looked strikingly familiar to one of my own. Upon further inspection it was exactly the same. Personally I've never seen a map exactly the same as another one before and it made me wonder about how many map seeds there are and what the odds of this are.
The two recorded games:
http://www.voobly.com/match/view/13634535
http://www.voobly.com/match/view/13678811
The two recorded games:
http://www.voobly.com/match/view/13634535
http://www.voobly.com/match/view/13678811