Marshland agar
A marshland agar is one formed from a combination of lakes and ponds, entities which can exist in isolation but which can be juxtaposed in multitudinous ways to form agars. Basically, they are composed of dominoes.
File:Orpnag.png ponds making up an orthogonal agar |
 coalesced ponds starting a diagonal agar |
 more complicated primitives can extend to agars |
