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