21
19
20
13
16
13
12
21
10
16
12
21
15
13
16
15
21
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9
18
21
20
21
14
21
21
18
12
16
21
11
21
17
21
21
21
16
15
16
21
21
20
21
21
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21
21
21
21
21
21
21
21
12
21
12
21
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21
16
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20
21
15
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
21
21
21
21
21
21
21
21
21
21
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21
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21
21