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