08:00
0
cum
08:00 
12:00
4
06:00
2
06:00
0
27:00
3
01:00:00
3
28:00
3
23:00
3
05:00
2
03:00
5
06:00
0
30:00
4
11:00
4
09:00
2
12:00
1
11:00
4
07:00
3
10:00
2
11:00
0
06:00
3