{"shas":[["453da0533235593d8be771176be22b77549ea87c","2610f7d7a900a711f829d26ab03f7ad02f387fad@gmail.com","Solution to problem 39.","Giuliano Vilela"]],"ref":"refs/heads/master","size":1,"head":"453da0533235593d8be771176be22b77549ea87c","push_id":37349660}