2
0
2
2
0
2
0
4
0
4
0
2
2
2
0
2
0
0
2
2
4
4
2
0
0
0
0
0
4
9
2
6
6
2
6
4
5
2
0
2
0
0
4
2
0
0
6
2
4
6
2
0
4
6
4
0
4
0
0
0
2
0
4
2
0
4
4
6
3
2
0
4
0
2
2
4
2
4
0
0
4
4
0
8
0
0
4
2
0
0
4
0
4
2
0
4
0
0
0
6
0
2
2
2
2
0
4
5
0
13
2
0
0
0
2
4
2
2
4
2
4
2
0
11
2
4
0
4
0
0
4
4
0
15
2
0
2
0
2
0
5
2
0
6
0
2
2
2
6
0
2
0
6
2
0
2
2
0
2
4
4
0
0
6
4
2
2
4
2
2
0
0
5
4
6
6
2
4
4
2
0
2
0
0
4
2
0
4
2
4
4
0
4
0
4
6
2
0
4
2
4
4
2
4
0
3
0
0
2
0
0
6
5
0
1
4
0
4
2
2
2
2
4
4
2
0
0
2
2
2
0
0
4
0
0
4
2
0
0
4
0
2
4
2
6
2
5
4
2
4
0
2
0
0
0
11
5
2
0
2
2
4
0
2
2
2
4
4
4
0
0
4
4
2
2
0
6
2
0
0
0
2
0
2
2
4
2
2
