Complex sentence: The judicial reforms of the 1990s instigated by Boris Yeltsin made long pre-trial detentions available only with approval of the courts with no more than six inmates held in a cell originally designed for solitary confinement.
Split into simpler sentences: The judicial reforms of the 1990s made long pre-trial detentions available only with approval of the courts. Currently no more than six inmates can be held in a cell originally designed for solitary confinement.