| 1 | 4 |
| y |
| x+2 |
| y |
| x-2 |
| 1 |
| 4 |
| y |
| x+2 |
| y |
| x-2 |
| y |
| x+2 |
| y |
| x-2 |
| 1 |
| 4 |
| x2 |
| 4 |
| x2 |
| 4 |
|
| 16k2-4 |
| 1+4k2 |
| 2-8k2 |
| 1+4k2 |
| 2-8k2 |
| 1+4k2 |
| 4k |
| 1+4k2 |
| 2-8k2 |
| 1+4k2 |
| 4k |
| 1+4k2 |
| 1 |
| 4k |
| 1 |
| 4k |
| 1 |
| 2k |
| 1 |
| 2k |
|
| 144k2-4 |
| 1+36k2 |
| 72k2-2 |
| 1+36k2 |
| 12k |
| 1+36k2 |
| 72k2-2 |
| 1+36k2 |
| 12k |
| 1+36k2 |
| 72k2-2 |
| 1+36k2 |
| 12k |
| 1+36k2 |
| 1 |
| 2k |
| 1 |
| 12k |
| 1 |
| 12k |
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