Yes. Here is a simple graph with a single ambiguity: it cannot tell whether Beta or Gamma should come first. Note that in the output these are flagged as ambiguous.
Alpha
Beta
Alpha
Gamma
Beta
Delta
Gamma
Delta
Alpha
Delta
Alpha
* Beta
* Gamma
Delta
Now, to try to resolve the Beta/Gamma order, I introduce a simple link through a new node, Foo:
Alpha
Beta
Alpha
Gamma
Beta
Delta
Gamma
Delta
Alpha
Delta
Beta
Foo
Foo
Gamma
My code (in previous node) gets completely cornfused:
Alpha
* Beta
* Foo
* Gamma
* Delta
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