21
8
10
21
13
21
15
15
12
21
19
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15
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21
21
21
10
9
21
21
10
20
15
16
18
10
13
9
8
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14
16
18
21
12
12
14
12
21
21
19
21
21
21
21
21
21
15
21
21
21
21
20
21
20
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21
20
21
21
21
21
21
21
21
20
15
21
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21
21
21
12
19
16
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15
10
21
21
21
19
21
20
21
20
12
20
19
18
11
12