0
2
0
2
2
4
2
4
2
0
2
0
0
16
2
2
0
2
4
2
2
0
4
4
0
13
0
0
2
0
0
2
2
4
2
4
4
0
2
2
0
0
2
2
4
4
0
0
4
4
2
0
4
4
0
0
0
0
0
4
0
2
2
2
0
4
0
2
0
2
2
8
4
4
2
0
2
2
2
0
0
0
2
4
2
0
4
0
4
2
2
0
6
2
0
2
11
0
6
2
0
4
15
4
2
0
4
2
15
2
4
4
4
0
2
0
2
2
2
0
2
0
4
2
2
0
0
4
0
0
6
4
0
4
0
6
2
2
2
2
2
0
2
2
2
2
2
2
6
0
4
4
2
6
4
2
6
4
2
2
4
4
4
0
4
0
0
2
4
0
2
2
2
0
0
4
0
2
0
2
2
0
2
0
4
0
4
2
2
0
2
2
2
2
2
4
4
0
0
0
2
0
2
0
2
0
2
2
2
0
4
2
0
4
2
2
0
2
4
2
0
2
2
3
4
6
2
0
2
0
2
2
10
0
2
2
0
2
13
2
2
2
2
2
10
2
0
2
0
0
8
2
0
2
4
4
4
4
2
0
2
2
0
2
4
0
2
2
4
6
2
0
2
2
0
0
2
2
0
2
2
4
2
2
0
6
2
2
