12th matrices exercise 21

6:20

32:12

4:18:38

20:39

2:27:35

1:55:31

47:40

30:55

1:53:55

59:13

37:18

38:36

1:02:22

11:23

48:01

59:37

54:43

24:11

6:31

2:34:54

1:46:52

10:48

41:56

1:36:55

54:48

10:17

1:29:31

12:03

1:23:47

2:00:16

5:29

1:01:41

3:24

51:37

12:58

20:52

40:26

1:09:18

5:49

1:26:15

8:05

2:13:12

36:17

1:12:29

30:45

34:34

6:04

59:54

6:27:32

16:33

5:35

6:32

12:34

49:43

58:49

18:04

44:11

48:21

1:17:19

1:47:00