Input (grade 4): Originally, the track featured four track configurations: the 28.265 k-long Gesamtstrecke ("Whole Course"), which in turn consisted of the 22.810 k Nordschleife ("Northern Loop"), and the 7.747 k SÃ 1\/4 dschleife ("Southern Loop").
Output (grade 6): Originally, the track featured four track configurations: the long Gesamtstrecke ("Whole Course"), which included the 22.810 km Nordschleife ("Northern Loop"), and the 7.747 km SÃ 1\/4 dschleife ("Southern Loop").