2
0
2
4
0
4
6
0
2
2
2
2
4
4
4
0
4
17
4
0
0
2
13
0
2
4
4
8
0
0
2
10
0
0
0
2
2
2
2
2
6
2
8
10
2
0
0
6
0
4
2
0
2
2
0
2
2
0
0
0
0
0
2
2
6
2
0
0
2
0
15
2
6
0
0
0
6
4
4
0
2
2
2
0
0
0
2
2
0
11
4
0
10
4
2
2
4
4
2
0
6
2
7
0
2
0
2
2
4
4
0
3
0
2
4
2
4
0
0
2
2
4
0
2
6
15
8
4
2
0
6
4
0
2
2
2
2
2
2
4
4
2
4
4
2
4
2
8
0
6
2
2
2
4
2
0
2
2
4
2
0
0
6
2
2
2
0
2
2
4
2
6
6
6
4
4
6
13
2
6
2
0
4
2
0
2
10
2
2
4
0
2
0
4
2
2
2
0
0
0
0
4
0
4
2
2
0
4
2
0
4
11
4
2
2
4
4
4
6
0
4
2
2
8
2
2
0
2
2
4
4
4
13
6
4
4
0
2
4
0
2
6
0
2
2
0
0
4
2
0
2
0
6
0
4
2
4
4
0
4
3
6
4
4
2
5
4
4
6
0
2
4
4
0
2
0
0
4
6
6
2
0
4
4
0
0
6
2
