arrays explained

5:03

7:32

16:05

2:49:03

6:16

35:58

4:55

6:04

18:14

42:31

29:50

15:28

13:29

3:36

14:13

11:04

4:53

4:45

2:45

6:18

32:20

3:59

10:08

11:37

8:05

11:40

14:33

12:52

13:49

6:45

5:10

7:52

14:53

9:13

5:28

6:06

7:48

19:03

4:54

17:22