Thank you very much Cristoforo for showing me this possibility, I did not know about the module. It seems that it could be useful in other tasks in this project as well, and the "chains" are built for free :) I am reading the documentation now. By the way, I noticed that Graph is not maintained anymore. Do you think it could be a problem in future?

In reply to Re^2: Looking for the first item in the chain by vagabonding electron
in thread Looking for the first item in the chain by vagabonding electron

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