16
21
21
20
21
20
16
17
19
20
21
21
21
21
21
21
21
20
12
21
21
16
21
20
21
21
20
16
21
21
21
21
19
14
15
21
21
20
21
17
14
17
17
16
20
21
21
20
21
15
21
21
21
21
21
15
21
16
17
21
17
20
21
15
21
21
21
16
20
21
21
21
15
21
17
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17
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21
10
12
15
15
21
11
21
21
17
21
16
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15
21
15
21
21
21
16
15