arithmetic progressions

5:49:55

11:49

1:12:41

6:28:43

1:39:20

3:51:40

24:06

28:52

44:04

1:13:30

2:01:59

11:19

1:21:06

9:39

1:09:46

43:16

2:10:57

56:22

7:06

10:38

9:06

7:07

4:56

57:46

1:07:57

1:31:28

28:38

1:16:39

1:45:14

38:36

1:13:25

3:13:00

33:33

41:13

7:36

16:24

2:58

7:50

49:42

53:13

41:04

7:14

21:05

1:40:39

2:03:29

7:48

11:06

9:07

14:10

8:04

3:02

41:24

35:29

12:42

6:34

8:42

8:45

10:43

13:35

25:33