top 10 subject review

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12:01

10:51

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17:00

5:17

14:52

5:57

3:05

11:53

5:22

5:39

20:59

16:21

11:35

13:45

9:02

9:38

1:10:54

8:25

9:21

8:43

3:31

7:41

12:48

7:01

14:47

14:11

9:56

11:44

22:32

15:53

14:21

36:56

5:09

22:11

21:10

14:45

2:19:08

33:00

2:03:14

9:43

6:08

8:10

2:34

1:47:08

11:25

6:49

25:20

7:33

5:22

9:21

5:22

30:01

5:02

22:06

26:18

9:52

7:36

3:46