practice case

19:31

14:47

3:18

23:56

3:31

3:18

11:14

5:31

5:20

5:53

2:47

2:13

5:48

6:37

3:17

17:05

5:38

4:00

3:50

4:31

6:58

5:59

5:56

6:48

8:06

5:20

5:28

28:36

1:20

7:59

6:34

1:59

1:46

1:37

3:43

8:28

3:34

8:33

2:57

3:31