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