If it's gonna be solitary for 'em, ribit ... they still have to be provided with at least one hour per day of exercise time. So, in that event, I would throw 6" 6', 300 lb. Neanderthal who hasn't had sex in a year in there with 'em and they can play keep away for a solid hour in a 10' x 7' cell.

The essential American soul is hard, isolate, stoic, and a killer. It has never yet melted. ~ D.H. Lawrence