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