Input (grade 9): The BÃ 1\/4 tzow-G Ã 1\/4 strow-Kanal (Channel) is a navigable connection to the Warnow and used by water tourists.
Output (grade 2): The BÃ 1\/4 tzow-G Ã 1\/4 strow-Kanal (Channel) is a connection to the Warnow. It is used by water tourists.