2
0
7
0
0
6
4
2
0
2
0
2
0
6
5
0
0
0
0
2
0
9
0
0
2
7
4
2
2
0
2
2
2
0
0
0
0
0
4
2
44
2
2
15
0
6
17
5
0
4
10
2
2
0
0
2
2
0
0
0
11
6
0
0
0
0
8
4
4
13
5
2
2
0
0
2
2
4
2
0
4
4
4
2
13
0
0
2
8
9
4
2
0
2
4
7
0
2
0
0
0
0
11
4
4
9
0
4
2
2
0
0
6
0
2
2
11
2
8
0
4
6
0
2
2
0
0
2
0
9
2
5
2
4
0
0
4
7
2
4
5
0
12
13
0
0
0
3
0
6
0
0
2
0
2
2
0
15
0
2
9
2
6
0
2
4
5
6
0
0
2
4
5
4
0
2
0
6
2
0
0
0
5
8
0
6
0
2
6
0
0
0
0
0
2
5
11
17
9
2
13
8
8
7
2
0
6
0
4
0
10
8
0
6
4
2
4
5
0
9
0
0
0
0
2
1
10
0
0
0
7
5
0
2
0
2
4
2
2
0
13
2
2
4
9
4
2
4
6
15
2
4
6
9
7
0
6
4
2
0
0
4
4
6
2
4
2
6
4
7
0
0
0
20
2
8
0
4
2
2
0
9
4
0
0
0
0
15
