16
16
21
21
21
16
16
21
21
9
21
21
16
15
21
15
16
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15
16
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15
20
16
21
15
21
15
12
21
21
21
16
21
21
21
21
20
21
15
21
21
16
21
21
21
21
17
10
21
21
10
21
21
20
21
19
16
16
16
21
18
16
21
21
16
16
21
21
15
21
20
21
17
21
12
17
21
16
15
21
19
18
21
15
16
21
19
12
15
20
12
21
21
21
21
21
21
21
21