Which prison design is composed of a "wagon-wheel"-like structure that was created with the dual goals of separation and control?

"Radial Design" is composed of a "wagon-wheel"-like structure that was created with the dual goals of separation and control.

Theoretically speaking this design helps to lessen the blind spots which in turn make monitoring an easy job than usual and also more efficient.

the first one is d and the second a

its b i googled it wish u luck