1	Playing...	Lecture 1
2	Playing...	Lecture 2
3	Playing...	Lecture 3
4	Playing...	Lecture 4
5	Playing...	Lecture 5
6	Playing...	Lecture 6
7	Playing...	Lecture 7
8	Playing...	Lecture 8
9	Playing...	Lecture 9
10	Playing...	Lecture 10
11	Playing...	Lecture 11
12	Playing...	Lecture 12
13	Playing...	Lecture 13
14	Playing...	Lecture 14
15	Playing...	Lecture 15
16	Playing...	Lecture 16
17	Playing...	Lecture 17
18	Playing...	Lecture 18
19	Playing...	Lecture 19
20	Playing...	Lecture 21