0
0
2
2
2
4
2
0
0
0
4
6
2
2
4
2
0
2
2
2
2
4
0
2
4
2
0
6
0
2
4
2
2
10
2
4
0
0
2
2
4
0
2
2
2
2
4
0
0
0
2
4
2
4
2
2
0
2
0
0
0
2
2
0
2
0
6
0
2
4
2
0
2
0
2
2
2
0
0
2
0
0
0
2
4
0
12
2
4
2
2
2
10
8
2
2
0
0
4
2
0
2
2
2
0
2
0
0
2
0
2
2
2
2
11
0
2
2
2
2
2
2
4
2
2
4
9
2
0
2
6
0
0
4
2
6
2
2
6
2
2
2
4
4
2
2
2
2
18
2
0
4
2
4
8
4
4
4
0
0
4
2
2
0
2
0
0
2
2
0
0
2
4
6
4
4
2
0
0
2
13
4
0
4
4
2
3
0
2
6
2
2
2
4
0
2
2
10
4
6
2
0
6
2
2
4
2
2
2
2
2
0
2
2
2
4
0
4
2
2
4
4
2
2
4
4
0
2
2
0
0
2
2
2
4
2
2
0
2
2
2
0
2
7
4
4
0
0
2
0
0
2
0
0
4
2
0
0
4
0
0
0
2
0
2
0
2
0
3
2
2
2
0
2
0
0
0
0
5
2
0
4
2
0
4
2
2
2
