17
21
21
15
10
17
9
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14
11
10
14
9
8
8
20
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8
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13
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19
11
13
15
9
21
21
15
21
21
21
21
21
21
21
21
21
14
21
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21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
19
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21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
20
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15
21
21
21
21
21
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21
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15
20
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21