- #1

- 18

- 0

Code:

```
(x=30,y=-10) +-----------+ (x=30,y=2) +-- +y
| | |
| *P | -x
(x=20,y=-10) +-----------+ (x=20,y=2)
```

Code:

```
(x=0,y=0) +-------+ (x=5,y=0) +-- +x
| | |
| *P | +y
(x=0,y=3) +-------+ (x=5,y=3)
```

TIA