18
20
14
8
16
20
13
14
10
12
9
13
11
9
12
8
10
10
8
21
11
11
14
16
21
21
21
12
16
21
20
21
20
12
21
21
12
16
17
15
21
21
21
17
21
16
21
21
21
12
21
16
21
21
21
21
21
21
21
20
16
21
21
14
14
21
21
21
21
21
17
21
21
21
20
21
20
21
21
20
21
20
21
21
21
21
21
21
19
21
21
20
21
20
12
21
21
21
21
21