0
2
0
0
2
2
4
0
2
0
2
0
2
4
0
0
2
0
2
0
2
0
0
2
0
0
2
2
4
0
0
2
0
0
12
0
0
2
0
2
0
0
0
2
0
4
0
0
0
2
0
4
2
0
0
0
0
0
2
0
0
2
0
2
0
2
2
2
0
0
0
0
2
0
0
0
0
8
0
0
0
0
0
0
0
0
0
0
0
2
6
2
0
0
0
4
0
2
0
2
0
0
4
2
0
0
0
0
2
0
0
4
4
0
0
2
0
2
0
0
0
4
10
0
0
2
0
0
0
2
8
0
2
4
0
0
2
0
2
0
0
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2
0
0
2
0
4
6
4
2
2
4
0
10
0
0
6
0
2
4
0
0
0
2
2
6
0
0
2
2
0
0
0
0
4
0
4
10
0
0
30
0
0
13
2
0
0
0
0
2
2
0
4
0
0
15
2
0
2
0
2
0
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4
4
2
2
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0
0
6
0
0
6
4
2
2
0
2
23
2
2
10
0
4
2
2
6
0
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4
0
0
2
6
2
2
6
2
2
2
2
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8
2
6
2
2
0
19
4
4
10
2
0
2
0
0
2
0
2
4
19
4
6
0
2
10
2
2
0
0
2
0
4
0
4
2
0
2
2
2
6
2
2
4
6
