2 |
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1 | ||||
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3 |
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4 |
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5 |
4 |
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2 |
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1 | ||||
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3 |
2 |
2 |
1 |
4 |
3 |
3 |
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7 |
6 |
5 |
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n+1 |
n |
n |
n-1 |
3 |
2 |
2 |
1 |
5 |
4 |
1 | ||||
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n+1 |
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3 |
1 |
3 |
2 |
2 |
1 |
2 |
1 | ||||
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1 | ||||
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(
|
3 |
2 |
2 |
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4 |
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