17
19
15
15
21
13
18
18
14
13
15
12
16
21
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18
9
21
21
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21
21
21
21
17
21
16
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21
16
21
21
16
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15
21
21
21
21
20
16
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21
16
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21
21
16
16
21
21
16
16
15
16
16
21
21
21
15
21
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16
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12
21
17
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16
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16
21
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21
21
16
16
21
21
18
18
21
16
17
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16
21
16
21
21
21
21
21
21
15