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