0
time
0
0
0
4
5
5
5
1
6
0
2
0
2
0
0
2
0
0
1
0
10
0
1
0
2
1
2
1
2
1
1
2
0
2
0
1
6
0
8
3
1
3
2
2
4
0
0
0
0
0
1
2
5
1