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0
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0
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0
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1
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0
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0
1
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0
1
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0
1
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0
1
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0
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0
1
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0
1
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0
1
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0
1
lex
0
1
lex
0
1
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0
1
lex
0
1
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0
1
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0
1
lex
0
1
lex
1
2
lex
0
1