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