0
2
4
12
2
0
2
0
2
2
0
0
0
0
0
4
0
0
2
2
2
0
2
2
0
0
13
0
0
0
0
8
2
0
2
2
0
0
0
2
2
4
2
2
2
2
0
2
0
0
0
0
0
0
2
4
7
4
2
0
0
6
0
0
2
0
6
0
2
2
4
2
0
2
0
0
0
2
0
0
0
0
4
7
2
2
0
4
2
0
2
0
2
2
2
0
2
0
0
2
2
2
2
0
0
0
4
5
0
0
1
0
2
0
2
0
0
0
4
4
2
1
2
0
0
0
2
4
0
2
2
2
2
0
2
4
0
0
0
0
0
0
0
2
0
4
2
2
2
2
4
2
0
2
0
2
7
0
8
7
4
0
0
3
4
4
0
0
0
0
2
4
2
0
0
0
2
4
4
0
2
2
0
2
0
2
0
2
0
0
0
4
0
1
0
2
2
6
0
0
0
0
0
0
2
2
0
2
0
0
2
4
4
0
0
2
0
0
2
2
2
0
0
0
0
4
2
2
0
0
0
2
0
0
0
0
2
2
0
2
0
4
2
0
2
0
2
0
2
0
4
0
2
2
0
0
0
4
6
0
2
0
0
0
0
0
2
2
0
0
0
0
0
2
2
7
0
4
3
0
2
3
2
0
0
0
0
0
