21
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15
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15
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21
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17
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20
20
16
20
21
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16
21
21
16
19
20
9
16
21
18
21
16
16
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16
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21
19
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20
21
21
21
21
21
21
21
21
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16
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21
16
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16
17
17
14
21
21
21
16
16
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15
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15
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15
21
16
17
21
21
20
12
17
16
17
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14
21
16
21
21
18
21
21
18
18
16
21
21