Instead of uniform floors, the structure is to be replete with special zones.
Staphylococcus colonies show up black in colour with clear zones produced around them.
Then the program does interpolations to produce an image with defined zones.
Populated after the 60's, this neighberhood is known for its residential aspect, making the difference with other zones of the area.
The result is a wildly uneven system littered with educational dead zones.
Extensive cities alternated with large agricultural zones and small oceans.
State experience with such zones isn't encouraging, but Federal zones, potentially more powerful, are worth trying.
Both can be designed with much larger zones.
The game is divided into major areas, each with smaller zones.
I also want to mention Amendments 3 and 5, which deal with residential zones.