2
0
0
2
4
2
2
2
2
0
2
2
0
2
0
4
0
6
2
4
2
2
0
0
2
4
2
2
2
2
4
11
13
2
4
0
5
4
0
0
0
4
2
2
0
2
2
0
2
0
4
2
2
4
0
0
2
2
4
2
2
0
2
2
2
0
2
0
0
4
2
2
2
2
2
4
2
2
0
2
0
2
0
2
0
2
2
0
2
4
0
0
4
2
2
0
0
0
0
0
0
0
6
2
0
2
4
0
4
2
0
4
4
0
2
8
2
0
0
0
2
0
0
15
6
4
0
0
4
0
0
4
4
0
0
0
2
0
0
2
2
0
0
8
2
4
4
0
4
4
2
4
2
4
4
0
4
0
4
19
0
0
0
0
4
6
2
4
2
2
2
0
4
4
2
0
2
4
0
2
0
0
4
4
4
0
4
13
4
2
10
2
2
2
2
0
2
2
2
4
0
2
0
2
2
4
6
0
2
2
4
4
0
0
2
2
4
0
4
2
2
0
0
0
0
2
6
0
4
2
2
4
2
0
0
0
0
4
0
0
2
0
9
0
2
2
2
4
0
5
2
4
0
4
2
2
0
2
0
0
0
2
4
0
0
0
0
0
2
4
4
2
15
4
0
0
0
4
2
2
0
4
2
0
4
0
2
0
