0
0
2
2
2
0
0
0
2
2
0
2
0
0
4
2
2
2
4
7
6
2
0
0
0
2
0
0
0
0
4
0
2
4
2
0
0
6
0
2
0
0
2
0
0
4
2
0
4
2
0
4
0
2
2
2
0
7
2
2
0
3
2
2
2
0
0
2
0
2
0
0
2
0
11
2
0
3
2
0
0
6
4
0
0
2
0
0
0
0
0
2
2
0
0
2
4
2
0
0
2
2
2
0
2
2
0
4
2
2
2
0
0
5
5
0
2
0
0
2
2
0
0
0
2
6
2
0
0
2
0
0
2
2
0
8
3
0
2
0
2
0
8
2
0
0
0
0
0
0
0
0
2
2
4
0
2
0
0
12
9
2
0
0
0
0
6
2
13
4
2
2
0
0
2
0
0
3
2
2
2
2
2
0
0
0
0
2
2
9
2
12
0
2
0
0
2
2
2
0
0
3
0
0
2
2
0
0
2
0
2
0
2
2
0
0
4
2
2
0
2
0
0
0
0
4
6
2
0
4
0
0
0
2
4
0
0
0
0
7
3
2
3
2
2
0
4
4
2
0
0
0
2
2
0
4
2
0
0
0
2
2
0
2
0
0
0
2
15
0
0
2
0
2
0
0
0
0
0
2
0
0
4
0
0
2
0
0
