05:02
4
room
05:02 
06:03
2
05:12
1
05:30
2
05:00
0
05:03
2
04:51
1
05:09
0
05:01
1
05:03
2
05:20
3
05:02
1
02:55
4
05:08
0
05:19
20
04:44
1
05:08
4
05:27
1
04:39
2
05:04
1