21
4
4
8
15
17
0
0
8
4
8
15
10
10
2
0
8
10
8
0
0
10
8
0
0
6
12
0
6
6
10
0
6
0
11
0
11
6
0
4
6
6
4
0
6
8
4
8
8
4
6
10
17
0
4
6
4
0
8
0
8
0
8
8
10
8
0
4
0
8
2
12
0
12
4
0
0
10
6
0
0
12
8
0
0
6
6
0
0
10
12
0
6
8
6
6
10
6
6
8
0
10
2
0
0
11
8
0
0
12
8
6
0
6
4
8
0
10
6
0
0
0
0
0
13
0
6
6
12
2
6
6
0
4
4
0
8
0
0
0
0
0
0
0
0
0
0
0
0
4
12
12
0
0
0
10
0
6
8
0
10
4
6
0
6
8
0
8
6
8
13
15
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
8
0
10
0
2
4
6
0
12
0
17
0
6
0
6
2
8
11
6
0
8
0
2
6
4
8
6
12
12
8
13
4
0
10
12
0
12
10
8
0
13
13
0
6
0
17
0
4
0
6
0
6
0
0
0
10
12
0
0
12
6
0
0
10
8
10
4
4
6
8
0
0
2
8
0
4
2
6
0
8
0
6
0
2
0
8
0
6
6
0
0
4
10
8
0
6
6
