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