0
0
2
0
0
0
2
0
0
0
2
4
2
0
0
0
2
2
0
2
0
2
0
0
2
0
0
2
4
0
0
2
2
0
0
0
2
2
0
2
0
4
0
0
2
2
2
0
0
2
0
0
0
2
0
0
0
2
2
2
0
0
4
2
12
0
0
0
4
4
2
4
0
0
4
0
2
0
4
6
2
4
0
2
0
2
0
4
6
0
2
0
0
2
2
0
0
2
2
4
0
2
4
0
0
0
0
2
0
0
0
0
0
0
0
2
0
2
2
0
0
2
2
2
2
2
0
0
6
0
2
2
2
0
4
2
0
0
2
2
2
0
0
2
2
0
0
0
2
2
0
2
0
2
2
0
2
0
2
0
2
0
0
0
0
4
0
2
4
2
0
0
4
4
2
2
0
2
4
2
2
0
0
0
4
4
2
0
2
2
2
2
0
6
2
4
0
0
0
0
0
2
0
6
0
2
0
0
2
2
4
4
0
2
0
0
2
0
4
0
4
6
0
14
0
0
2
0
12
0
0
2
2
2
2
0
0
0
2
2
2
0
0
2
0
2
0
2
4
0
0
12
2
0
0
0
2
0
2
0
0
2
0
0
2
2
2
0
2
2
2
2
0
0
0
0
2
2
0
2
0
0
2
0
0
0
4
0
