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lecture3-360p.mp4 download	911.5 MB	2013-09-10 17:34:04+00:00
lecture3-720p.mp4 download	1.3 GB	2013-09-10 17:38:27+00:00
lecture3-1080p.mp4 download	2.1 GB	2013-09-10 17:21:11+00:00