{"shas":[["cec5c23d82c4cb42270cecdd994f41346f1478b2","ba1afbd3c74eb773af2506155476d8b30210c5fe@gmail.com","Exercises 41 to 45","ptio"]],"ref":"refs/heads/master","size":1,"head":"cec5c23d82c4cb42270cecdd994f41346f1478b2","push_id":36338928}