The border doesn't need to be square, in fact, it could be shaped like a tetris piece, or any fairly blocky polygonal shape(tetrahedon, hexagon). It's a fun way of manipulating the outcome of your creature.
Haha, you kind of ruined your own point there, not staying inside the border and all O: I kind of felt that was the point :O
A wonderful creature, though :3
By the way:
--------------------->
golden egg evolves into...
KING OF THE WORLDHey king, how's ruling the universe? Not so fun? .. I could guess that by the look of your face.
Lots of flawed AA in this one, but hey, i'm still learning :O