{"shas":[["acc0089467ec46909c90f8a2214e470704b26cde","98317186dd90497fc416575d5a32a1a9411abe6c@gmail.com","Trig identity exercise","Igor"]],"ref":"refs/heads/master","size":1,"head":"acc0089467ec46909c90f8a2214e470704b26cde","push_id":37312702}