0
0
2
0
2
2
4
0
2
2
2
2
4
0
4
0
0
2
4
2
2
2
0
0
2
2
0
2
2
8
2
4
6
17
2
11
0
4
4
2
2
2
0
4
0
0
0
0
2
2
0
2
0
4
4
2
2
0
4
2
4
2
27
4
0
2
0
2
0
0
2
0
15
2
0
0
2
0
6
17
0
4
0
0
4
0
2
4
0
2
2
0
0
2
2
6
0
0
0
4
0
2
0
0
0
6
6
0
2
0
0
2
4
0
4
4
4
0
0
0
0
0
0
0
0
0
4
0
0
2
4
2
0
2
2
0
2
0
0
0
0
0
0
0
0
6
2
2
0
2
2
0
6
4
0
0
0
2
2
0
0
4
2
2
0
2
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4
0
4
0
0
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17
2
4
0
0
4
0
0
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4
4
2
4
2
2
4
4
2
0
4
2
0
10
2
0
0
2
0
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4
2
0
17
0
0
2
2
2
2
0
2
0
2
2
0
4
4
9
2
4
4
4
6
0
2
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0
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2
2
0
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0
0
2
17
2
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4
0
17
4
0
4
4
2
0
2
0
2
0
2
0
0
2
0
2
0
0
4
0
4
2
2
2
2
2
0
0
2
2
8
0
0
0
2
0
2
0
4
2
4
2
2
