0
0
4
0
0
2
2
0
0
0
4
2
0
2
0
2
4
0
0
2
4
2
0
2
0
2
2
2
2
4
4
2
2
2
2
2
2
2
2
2
0
4
2
2
2
0
2
8
0
0
2
2
2
0
2
4
2
6
2
2
2
0
0
4
2
0
2
12
2
2
4
2
2
4
2
0
2
4
4
0
2
2
2
2
0
2
2
2
6
2
2
8
2
2
6
2
8
2
0
0
2
2
2
4
2
2
2
2
0
2
4
2
8
4
2
2
2
2
2
2
0
2
2
0
0
0
2
0
0
2
0
2
2
2
2
0
2
0
4
6
4
2
2
2
2
4
4
2
4
2
2
0
0
2
4
2
4
0
2
0
2
2
2
4
2
0
2
2
6
2
2
0
2
0
2
4
4
2
2
2
6
4
2
2
0
2
0
4
2
0
2
0
0
0
4
2
0
2
0
2
2
0
2
2
2
0
0
0
0
2
4
0
0
0
2
2
4
0
2
0
0
4
2
0
2
2
2
2
0
4
0
2
0
2
0
0
0
0
0
0
0
0
0
0
2
4
4
2
2
0
4
2
0
0
4
0
0
0
0
2
2
0
2
0
0
0
0
2
0
4
0
0
0
2
0
0
0
0
0
2
2
4
0
0
2
2
0
0
