0
bound
0
4
1
10:00
6
07:00
10
0
0
7
22:00
13
4
0
1
0
03:00
11
0
0
1
0
10:00
8
0
0
1
0
2
0
0
10:00
5
06:00
4
2
0
10:00
10
0
10:00
8
0
0
6
10:00
1
0
0
0
02:00
8
0
6
1
0
0
03:00
6
0
06:00
4
10:00
8
02:00
7
05:00
7
1
02:00
14