11:00
0
teacher
10:00
2
14:00
13
04:00
3
38:00
0
08:00
9
00:50
4
08:00
4
03:00
6
04:00
1
08:00
18
05:00
5
06:00
6
11:00
2
05:00
5
05:00
3
01:07
2
07:00
3
07:00
2
05:00
4
08:00
1
07:00
5
05:00
2
00:26
0
10:00
2
06:00
0
05:00
2
21:00
5
06:00
0
09:00
0