3
Sources
4K
2
2
1
1
3
1
4
3
5
2
2
3
0
2
2
2
3
0
3
1
1
4
3
3
1
4
2
0
1
3
2
3K
1
2
3
0
1
1
2
1
0
4
1
1
1
1
1
3
