18
21
21
21
21
21
21
21
21
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21
21
21
15
21
16
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11
21
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15
18
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21
21
21
21
21
21
21
17
21
17
12
21
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21
21
21
21
21
18
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16
21
17
21
21
21
19
20
21
15
21
18
16
12
16
20
18
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21
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16
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21
21
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11
21
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14
12
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20
20
20
8
17
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12
16
15