Congrats! Your 'difficult' case might give us with somewhat 'difficult' cases hope.
__________________
Original: App. Received by USCIS: 04/15/2013 - Approvals: i821d 04/14/2014 & i765 04/17/2014 
Renewal: Received by USCIS on
11/25/2015 - ASC on
12/23/2015 -
Approved