0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
0
0
4
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0
4
0
0
4
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0
4
0
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