4
3
7
2
4
2
7
2
4
2
4
2
6
4
2
2
4
4
7
0
2
4
2
0
2
4
6
2
4
0
4
6
0
4
4
0
2
0
4
0
4
4
4
4
0
2
2
0
2
2
0
4
4
4
0
4
2
2
2
2
9
3
4
2
4
4
0
2
0
4
4
6
2
2
0
2
4
4
4
4
2
4
2
2
4
0
2
4
0
4
2
4
3
4
4
0
2
6
2
2
0
2
4
2
0
2
0
2
0
7
4
2
2
2
0
4
4
0
0
4
2
2
2
4
4
0
5
2
2
4
2
0
0
2
0
4
0
5
12
2
2
2
0
2
0
2
0
4
2
5
2
0
0
0
4
4
2
2
0
2
3
0
5
2
3
3
4
0
2
4
2
0
2
2
2
5
2
3
2
2
4
0
2
4
5
0
6
2
0
2
2
3
4
2
2
4
3
2
0
2
2
2
2
1
2
2
2
0
2
0
2
2
5
4
2
2
2
2
2
4
4
2
2
2
2
2
1
0
2
0
0
0
5
2
4
0
0
0
2
2
5
4
0
2
2
4
0
4
6
0
2
6
0
4
2
0
4
3
4
2
2
3
2
4
0
5
4
2
0
6
3
2
4
0
0
5
7
2
2
0
0
4
2
0
6
6
0
4
