| x2-x1 |
| 2 |
| x1+x2 |
| 2 |
| y2-y1 |
| 2 |
| y1+y2 |
| 2 |
| x1+x2 |
| 2 |
| y1+y2 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| xA+xC |
| 2 |
| xB+xD |
| 2 |
| yA+yC |
| 2 |
| yB+yD |
| 2 |
| -1+3 |
| 2 |
| 4-2 |
| 2 |
| xA+xC |
| 2 |
| xB+xD |
| 2 |
| yA+yC |
| 2 |
| yB+yD |
| 2 |
| 1+5 |
| 2 |
| 0+xD |
| 2 |
| -4+6 |
| 2 |
| 2+yD |
| 2 |
| xA+xD |
| 2 |
| xB+xC |
| 2 |
| yA+yD |
| 2 |
| yB+yC |
| 2 |
| xA+xC |
| 2 |
| xB+xD |
| 2 |
| yA+yC |
| 2 |
| yB+yD |
| 2 |
| 1 |
| 2 |
| xA+xB |
| 2 |
| xC+xD |
| 2 |
| yA+yB |
| 2 |
| yC+yD |
| 2 |
| 1 |
| 2 |
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