0
0
2
2
0
0
2
0
0
0
0
2
0
4
0
0
0
4
4
0
0
2
2
0
4
2
0
4
4
2
2
2
2
4
0
0
2
2
0
2
0
4
2
2
0
2
4
0
0
2
0
2
0
0
2
4
2
0
0
2
0
0
2
2
2
2
0
0
0
0
2
0
0
0
0
2
2
2
0
0
2
4
0
0
2
2
2
6
2
2
0
2
2
0
2
2
4
0
2
0
0
0
0
2
4
0
0
0
4
0
0
2
2
0
4
2
4
2
2
0
0
2
2
0
0
4
2
0
2
0
0
2
2
0
2
2
0
0
0
0
2
2
2
0
2
2
4
2
0
0
15
2
15
4
4
2
0
0
2
0
2
6
0
12
4
0
4
2
0
2
4
0
15
0
0
2
2
0
2
2
2
0
0
2
0
4
6
2
0
0
0
0
2
2
2
2
2
2
4
0
2
0
0
0
2
0
4
2
4
0
2
8
0
0
2
0
2
4
2
0
0
6
0
8
0
0
2
2
0
2
2
2
0
2
0
2
0
4
0
0
0
2
4
0
2
0
0
0
0
2
0
2
0
2
4
2
2
4
0
4
2
2
0
0
2
0
6
4
0
0
0
2
2
4
2
0
0
0
2
4
2
0
2
2
4
0
2
0
