4
of.
3
4
4
6
4
6
0
1
4
8
0
2
12
3
1
1
1
3
4
5
0
0
1
3
4
3
3
0
5
1
2
3
0
0
7
1
2
2
4
8
3
5
3
0
4
5
3
2
5
3
3
3
2
9
2
7
6
4
3