4
0
4
2
4
6
2
2
2
2
0
2
2
2
4
2
4
0
0
2
1
0
0
0
9
0
2
2
6
2
2
9
0
2
2
0
7
9
6
0
4
6
6
4
2
2
4
6
9
2
4
2
2
2
2
1
0
2
7
2
0
6
2
4
0
8
4
2
0
4
4
10
6
2
4
4
0
2
4
4
6
4
2
18
10
0
6
0
2
2
0
0
4
4
0
0
2
2
2
4
2
2
4
0
13
2
2
6
6
11
2
0
8
0
0
4
10
0
0
2
2
0
0
0
4
2
1
5
2
4
8
5
2
14
2
10
15
2
2
6
16
2
0
2
4
2
2
0
2
2
2
4
2
0
0
7
0
4
4
2
9
4
7
0
6
7
0
5
0
6
4
0
5
7
4
0
17
6
6
0
11
0
6
2
4
10
0
2
4
7
0
4
0
4
0
19
0
5
0
0
0
2
0
0
2
0
0
2
2
4
4
4
2
0
6
3
4
2
4
4
2
0
4
0
0
0
0
4
0
6
4
0
0
2
2
2
2
0
0
0
2
2
2
0
4
0
0
3
0
4
27
0
2
0
0
4
0
0
2
0
4
6
0
0
0
2
0
0
2
0
0
4
2
2
0
2
2
0
11
2
0
4
0
2
0
2
0
6
