Breivik’s private prison compound consists of three personal cells: “one for living, one for studying, and a third for physical exercise,” according to Agence France Presse.

The studying space is important for Breivik: in 2015 he enrolled in political science courses at the University of Oslo. A university representative will visit his cell to teach the classes, as Breivik is not allowed to access the Internet on his in-cell computer.

Yes, he has a personal computer in his cell. He also has a personal television and a Playstation 2, which he deemed insufficient, threatening to go on a hunger strike if it was not upgraded to a Playstation 3, AFP reported in 2014.

Breivik’s grievances extended to the quality of the rubber pens in his cell.