| x2 |
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| y2 |
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| 1 |
| 2 |
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| 5 |
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| 1 |
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|
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| 5 |
|
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2
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|
| ET |
| EF1 |
| EF2 |
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| 4 |
| ET |
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| 4 |
| 5 |
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