1
stream
2
1
0
0
2
0
3
5
2
0
3
2
2
0
0
5
4
1
2
2
2
2
1
0
0
1
0
0
0
0
0
0
0
0
4
3
3
1
1
1
0
1
0
1
1
0
3
3
0
