Generate large toy model that uses quadruple orientation rules

[this-is-sofia]

Think of an example that runs into the situations in the pictures and test if the current quadruple orientation rules work as they are supposed to also in bigger examples.

(Pictures taken from https://hpi.de/fileadmin/user_upload/fachgebiete/plattner/teaching/CausalInference/2019/Introduction_to_Constraint-Based_Causal_Structure_Learning.pdf)