can log file format conversion

12:53

2:02

1:36

2:57

3:24

1:48

8:08

1:40

2:54

2:15

3:14

4:58

1:05

2:07

1:39

4:38

2:10

11:39

1:23

7:02

10:07

5:49

2:13

8:25

6:36

2:55

2:21

2:32

5:55

1:22

2:09

4:45

1:33

1:45

13:27

1:10

2:39

1:04

16:05

10:12

5:30

2:56

7:27

3:07

2:41

13:53

1:35

2:37

18:02

2:14

2:59

4:26

1:23

1:52

7:25

4:27

1:20

1:41

17:17

4:34