2
0
9
2
8
2
0
0
6
2
0
0
2
4
2
0
0
2
0
2
8
4
0
2
0
0
0
6
0
2
0
0
0
0
2
6
2
2
2
0
2
6
2
2
2
4
0
16
6
4
0
10
4
0
2
8
6
10
4
14
2
0
2
6
2
0
9
4
6
2
0
4
0
9
4
2
2
0
4
6
0
0
2
2
0
2
2
2
4
2
2
0
4
0
2
13
2
12
4
2
0
2
6
8
2
4
2
0
2
2
6
4
4
0
2
2
2
0
0
0
8
0
7
2
0
0
2
4
4
0
0
6
8
2
4
6
2
2
4
4
0
4
0
0
2
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0
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0
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6
0
2
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2
10
8
0
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2
0
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6
0
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2
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4
2
4
2
0
2
2
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5
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13
4
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4
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4
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0
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4
4
2
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9
8
4
2
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2
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2
9
2
13
3
0
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4
2
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0
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8
2
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6
6
2
11
2
2
13
0
0
4
0
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7
4
2
2
4
12
8
2
17
2
2
0
0
0
2
2
2
2
8
12
0
2
