17
12
15
20
17
13
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8
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8
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11
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8
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16
21
21
15
16
21
18
10
20
21
21
15
21
21
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17
18
15
21
21
12
15
21
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21
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21
21
21
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21
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21
21
21
21
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21
21
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21
21
21
21
20
21
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21
21
21
21
21
21
21
16
21
21
21
21
10
16
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20
21
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21
21
21
21
21
21
12
16
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15