2
4
0
0
4
0
2
2
0
0
0
4
2
2
2
4
0
0
2
4
0
2
2
4
4
4
6
7
2
0
0
0
0
0
4
4
0
6
4
4
4
4
8
0
2
0
8
6
4
6
2
2
2
4
6
0
4
4
4
2
4
6
2
6
4
2
2
8
2
0
2
4
2
0
0
2
2
0
4
4
0
2
2
6
4
4
4
4
6
2
4
6
0
2
4
0
4
4
4
4
2
2
0
2
2
2
0
2
9
15
26
6
4
0
2
0
2
0
4
0
0
2
2
4
4
2
2
2
17
4
4
8
8
10
10
6
8
4
6
0
2
0
8
6
7
8
0
21
7
2
6
0
0
0
0
2
0
4
4
2
0
0
9
2
2
0
4
4
6
4
9
9
11
2
0
0
0
0
4
2
6
6
6
4
2
0
2
0
0
0
0
0
6
4
4
6
17
0
2
0
0
0
0
0
6
4
4
2
0
2
6
2
2
0
0
9
13
6
6
0
0
0
0
0
0
2
0
0
11
0
0
0
0
0
0
2
0
0
0
4
0
2
0
0
0
0
0
0
0
0
2
0
2
0
0
0
2
2
3
0
0
0
0
2
5
0
0
0
0
4
7
1
1
0
0
0
0
0
0
0
2
0
0
0
2
0
15
0
