0
4
9
0
6
11
0
9
7
0
9
0
6
0
6
0
2
0
6
0
0
6
6
0
2
9
13
0
0
0
5
0
0
13
0
9
8
4
6
0
7
8
6
0
7
0
7
0
13
0
11
0
0
11
8
0
0
6
6
6
0
6
0
7
9
4
8
6
2
9
6
0
0
4
9
0
0
6
9
0
0
4
6
0
0
6
2
0
0
4
6
6
0
6
0
6
0
6
0
7
0
7
4
8
0
0
4
13
4
9
4
0
0
8
8
0
0
9
7
0
0
0
0
0
11
0
0
0
6
9
9
0
0
0
0
0
0
0
13
0
0
0
0
0
0
0
0
0
0
0
6
2
0
0
7
11
11
9
13
0
21
11
0
0
0
7
0
9
17
19
0
7
7
6
0
0
0
0
0
0
0
0
13
0
0
0
0
0
6
0
0
8
0
6
0
9
0
0
6
9
0
0
15
6
9
19
9
8
0
6
0
4
0
0
6
4
0
0
13
4
0
0
11
4
11
11
0
15
0
7
0
9
0
7
0
2
0
0
15
6
0
0
11
9
0
0
13
4
11
0
9
0
21
9
6
9
9
0
8
0
7
0
20
0
17
0
7
0
8
0
0
13
8
0
0
11
6
0
9
6
0
0
9
7
0
0
9
9
