"Part 1\r\nhttp:\/\/www.youtube.com\/watch?v=vrtHZpIevAQ\r\n\r\nPart 2\r\nhttp:\/\/www.youtube.com\/watch?v=_AOOO3pYFaM\r\n\r\nPart 3\r\nhttp:\/\/www.youtube.com\/watch?v=apk2VV0TlcY\r\n\r\nPart 4\r\nhttp:\/\/www.youtube.com\/watch?v=Sko6kkBij7M"