Forced solitary confinement is torture, pure and simple. There is no doubt in my mind that the legal and criminal system is merely a "legitimate" means for retribution and violence. Funny how we have all these apparently healthy members of society turn animal as soon as fear strikes a nerve. Funny how they all stick up for each other and delude themselves into thinking that they're not just as ill as the murderers and rapists they torture. Well, maybe not that funny. Depends on whether you're looking out of a tiny window or at a prison while standing out in the open, I suppose.
On the bright side, I bet you could do some very deep meditation in those conditions if you have the right training behind you. You'd go in a vagrant and come out a Buddha. Om, bitches.