2
4
6
2
2
7
2
4
0
2
2
6
0
0
9
4
0
4
6
0
0
2
2
2
2
4
8
8
4
4
6
0
5
2
2
4
0
0
2
2
0
0
2
10
11
2
0
2
5
4
2
2
8
2
6
8
3
2
0
4
4
0
0
0
6
0
17
13
4
0
6
4
2
3
0
4
12
8
7
4
0
10
4
4
8
13
2
2
0
12
4
4
7
4
8
16
0
6
6
4
12
14
0
4
7
16
12
4
2
0
0
3
4
2
2
0
18
10
5
0
9
0
16
11
10
6
0
3
4
10
11
4
0
7
0
0
0
8
5
2
2
0
6
4
8
5
15
9
5
0
5
6
2
0
2
7
4
0
0
4
2
5
8
0
4
2
6
7
6
2
2
10
30
23
6
2
0
4
0
5
6
0
2
4
0
2
0
7
2
34
15
16
4
7
0
8
0
5
2
4
2
5
0
0
3
0
2
9
6
2
5
0
6
5
5
6
2
3
0
2
6
2
4
0
1
2
3
0
4
4
4
7
2
2
4
2
2
5
4
2
0
9
0
2
0
2
0
2
11
2
13
4
0
0
5
0
0
4
2
4
0
0
10
16
4
9
4
2
4
8
6
2
0
0
0
4
2
0
4
0
0
3
0
2
4
2
2
9
