using brackets in r

15:20

9:43

1:15:27

10:19

1:00:15

3:38

49:49

3:14

6:02

8:34

4:28

5:41

6:24

5:41

4:40

6:24

5:41

4:36

1:32

1:32

1:32

1:32

1:32

1:32

1:32

1:32

7:41

8:57

7:28

5:18

3:27

5:49

4:05

6:15

11:09

3:32

کوتاه

16:52

8:56

2:21