Input (grade 10): When the state of Brandenburg was newly founded in 1990, the districts of LÃ 1\/4 bben, Luckau and KÃ nigs Wusterhausen had been established.
Output (grade 9): When the state of Brandenburg was newly founded in 1990, the districts of LÃ 1\/4 bben, Luckau and KÃ nigs Wusterhausen were formed.