2
2
0
4
4
12
2
0
0
0
0
2
0
2
2
0
2
0
0
0
2
0
0
0
0
2
0
0
4
0
2
2
2
0
2
4
0
2
0
2
0
0
0
2
2
2
0
2
0
0
2
0
2
0
0
0
0
0
2
0
0
2
0
0
2
2
0
0
2
0
4
4
2
0
2
2
2
0
0
0
2
0
2
2
0
2
0
2
0
0
2
0
0
0
4
4
0
8
0
2
0
2
2
6
0
0
0
0
2
0
0
2
0
2
0
6
2
2
2
2
10
4
2
2
0
2
0
2
8
0
0
2
2
2
0
4
0
2
2
0
0
2
4
0
0
0
0
4
2
2
2
0
0
0
0
0
0
4
2
4
0
0
2
0
2
2
2
2
0
0
0
0
2
0
0
6
2
2
0
2
0
2
2
0
2
0
0
0
0
8
2
2
2
2
0
4
0
0
2
0
0
8
0
0
2
4
2
4
0
0
2
0
4
2
0
0
0
0
0
2
0
0
2
0
0
4
2
4
0
2
4
0
6
2
0
2
2
0
0
4
4
2
2
0
0
0
2
5
2
0
2
4
4
0
0
2
0
2
0
2
4
0
2
0
0
0
0
2
0
2
4
4
2
0
2
0
2
2
0
2
2
0
0
0
0
4
0
2
