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