4
4
4
2
2
0
2
0
0
2
2
0
4
4
2
0
2
0
2
5
15
2
2
4
2
2
2
4
0
5
15
2
2
3
4
2
2
0
0
2
2
0
2
0
4
0
17
0
0
2
0
0
0
4
2
3
6
2
2
2
2
0
2
3
0
2
2
2
2
0
2
5
0
0
2
4
4
4
2
0
0
0
4
0
4
0
2
0
2
4
0
2
3
2
0
15
0
2
2
2
2
2
2
2
0
4
2
4
3
0
0
4
2
2
2
2
4
4
0
0
0
2
4
5
2
2
2
2
0
3
5
0
0
2
2
0
6
6
0
6
9
2
2
2
6
4
1
2
2
0
4
4
2
0
0
0
2
0
2
4
2
2
0
17
0
3
5
4
0
2
5
0
4
4
2
4
2
2
2
6
2
2
2
2
2
5
5
0
2
0
4
2
2
0
2
5
2
2
2
2
0
4
0
2
0
2
2
2
0
2
0
4
2
0
0
2
3
3
0
15
4
0
2
7
0
2
0
2
4
0
0
2
3
2
0
7
2
2
4
2
2
0
0
2
0
0
0
2
0
2
0
17
2
2
6
2
4
2
0
2
2
0
0
0
4
4
0
2
4
0
0
2
2
4
2
2
4
2
2
0
4
2
0
0
4
2
0
0
