d8:announce42:http://tracker.amazonaws.com:6969/announce13:announce-listll42:http://tracker.amazonaws.com:6969/announceee4:infod6:lengthi66042e4:name41:2014_fall_lectures_4_m_lang_ga_week4m.txt12:piece lengthi262144e6:pieces20:8~gD۴ق/12:x-amz-bucket12:cdn.cs50.net9:x-amz-key41:2014/fall/lectures/4/m/lang/ga/week4m.txtee