the expressions

8:43

16:42

5:03

2:38

2:04

5:05

20:13

17:11

17:11

10:21

20:19

20:13

20:12

14:40

5:46

23:05

3:27

6:52

8:36

13:25

8:36

3:38

7:36

20:35

1:48

12:37

9:59

12:36

2:48

6:43

8:19

3:18

12:58

8:29

2:18

12:58

8:19

8:29

1:47

8:19