13:00
0
x nx
13:00 
10:00
0
14:00
0
12:00
0
10:00
0
32:00
0
32:00
0
46:00
17
12:00
0
01:02:00
0
31:00
0
17:00
4
25:00
0
05:00
0
03:00
0
10:00
2
10:00
1
01:30:00
1
12:00
0
06:00
0