0
4
7
4
5
2
2
5
2
2
4
0
0
4
2
0
2
2
4
4
0
0
2
2
2
6
2
0
6
2
4
6
2
2
4
2
0
0
0
2
4
2
4
0
2
4
9
4
2
0
4
0
4
6
0
2
4
4
4
6
4
2
0
2
6
4
0
0
0
2
5
0
4
0
2
4
4
2
0
0
4
6
6
0
4
4
0
4
5
2
4
0
0
2
5
0
0
0
0
2
2
2
0
4
2
2
98
0
2
0
4
2
4
0
0
0
6
6
6
0
2
0
0
4
5
0
0
5
0
2
8
4
2
4
0
2
5
4
2
2
4
0
2
0
6
0
2
0
3
2
4
2
0
2
2
2
0
0
0
0
4
0
0
0
0
2
7
0
2
2
4
4
4
5
4
2
2
4
8
71
6
69
0
3
2
0
2
6
2
6
2
0
2
2
7
0
3
0
2
4
2
2
2
2
2
0
0
4
4
3
2
0
0
0
2
0
2
2
2
0
3
4
4
2
0
3
0
0
0
2
0
0
97
6
0
0
0
0
4
6
4
5
2
0
4
6
4
0
4
4
4
2
6
4
0
2
6
2
4
0
4
2
0
0
0
0
0
4
2
0
2
0
2
0
4
0
2
0
0
0
0
2
4
2
2
0
0
4
