graph TD N0["Test 1"] N1["Test 2"] N0 --> N1 N2{"wirklich?"} N1 --> N2 N3["ja, wirklich"] N2 -- Ja --> N3 N4["nein"] N2 -- Nein --> N4 linkStyle 2 stroke:#2f855a,stroke-width:2px linkStyle 3 stroke:#c53030,stroke-width:2px