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Bryan Kohberger ’s gonna have no cellmates and no distractions ... 'cause he's just been moved to solitary confinement at Idaho’s Maximum Security Institution, TMZ has learned.

Sources tell TMZ Kohberger’s long-term restrictive housing -- J Block -- isn’t just any penitentiary unit. It holds up to 128 inmates, and includes everyone from protective custody incarcerees to long-term isolation holds ... and even death row. Idaho Department of Correction

It’s a grim setup -- inmates in long-term restrictive housing live alone in their cells, only allowed to exit in restraints ... they get showers every other day, and are permitted just one hour of outdoor time daily. Getty

If there’s any silver lining in Kohberger's solitary lockdown life, it’s this -- inmates can still plac

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