10
9
13
8
15
16
9
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12
21
15
13
17
21
18
8
12
8
21
20
21
16
21
21
21
17
21
16
21
21
21
21
21
21
15
15
21
21
17
21
21
16
17
21
21
20
21
12
18
21
21
21
15
21
21
21
21
21
15
21
21
21
21
18
21
15
21
16
17
16
12
21
20
16
21
21
21
21
16
21
21
16
16
21
16
15
16
21
21
19
16
21
21
21
20
18
18
20
18
21