4
Sources
4
0
2
1
1
2
1
0
3
3
1K
16K
2
3
0
4
3
11
4
4
3
4
1
1
2
4
4
0
2
6
3
2
3
2
1
0
1
0
2
1
2
2
2
0
2
9
3
0
1
