0
4
6
2
8
4
0
0
5
6
4
2
4
9
0
0
0
0
0
9
4
0
4
9
0
0
4
0
2
4
4
0
0
2
8
0
9
2
8
7
6
11
2
2
4
0
2
4
4
0
0
4
0
0
0
0
2
21
15
0
0
0
2
2
2
8
0
0
6
12
0
2
0
6
0
15
0
0
8
0
2
0
2
2
0
4
0
7
4
0
0
0
4
2
6
2
26
0
0
2
6
6
2
0
21
13
2
0
4
7
3
2
5
7
2
2
4
4
0
0
9
2
0
4
2
7
2
0
0
0
5
2
6
2
4
2
17
2
0
0
4
2
8
5
2
8
6
0
9
4
2
2
19
2
0
6
11
4
3
4
2
7
0
2
4
6
0
4
7
0
8
2
2
2
0
2
0
0
7
4
2
4
4
4
0
4
33
8
0
7
19
11
4
4
4
21
4
9
2
6
2
0
2
0
9
9
6
6
0
2
0
0
4
7
2
0
0
0
5
0
4
11
0
4
0
2
4
4
6
26
2
21
7
6
6
6
2
4
9
10
6
8
4
10
0
7
11
4
0
4
2
0
0
4
7
4
2
0
2
4
15
0
2
0
11
0
0
2
15
4
6
2
7
0
0
2
9
0
5
5
2
4
4
2
11
0
0
12
