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4 bbbb
3 bbb
4 bbbb
4 bbbb
4 bbbb
4 bbbb
4 bbbb
3 bbb
4 bbbb
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4 abba
3 bbb
2 bb
4 abba
3 bbb
3 bbb
4 bbbb
4 bbbb
4 bbbb
5 abbba
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4 bbbb
3 bbb
4 bbbb
3 bbb
3 bbb
4 bbbb
4 bbbb
4 bbbb
3 bbb
4 bbbb
4 bbbb
3 bbb
3 bbb
4 bbbb
4 bbbb
4 bbbb
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5 bbbbb
4 bbbb
4 bbbb
4 bbbb
5 abbba
3 bbb
4 bbbb
4 bbbb
3 bbb
5 bbbbb
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4 bbbb
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3 aba
4 abba
2 bb
4 bbbb
3 bbb
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4 abba
4 bbbb
4 bbbb
3 bbb
4 bbbb
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4 bbbb
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4 abba
3 bbb
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5 bbbbb
4 abba
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4 abba
4 bbbb
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4 bbbb
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5 bbbbb
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4 bbbb
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4 bbbb
4 abba
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4 bbbb
3 bbb
