21
17
21
21
21
21
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20
16
18
16
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21
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21
17
21
17
21
16
16
20
21
20
17
21
21
21
21
17
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15
21
16
21
9
21
21
21
21
15
13
21
21
21
16
21
15
15
14
20
21
21
21
21
21
21
21
15
12
15
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15
16
13
21
16
16
11
21
21
10
14
20
21
21
16
21
21
20
21
21
21
15
15
21
21
20
16
21
15
14
16
16
21
16
21
21