2
0
2
0
1
0
2
0
2
0
4
0
4
0
2
0
6
0
5
0
7
0
4
0
3
0
6
0
4
0
4
0
4
0
4
0
4
0
4
0
6
0
7
0
4
0
3
0
5
0
3
0
4
0
4
0
